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BeyondSpring Inc.

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FY2018 Annual Report · BeyondSpring Inc.
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20-F 1 form20f.htm 20-F

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 20-F

(Mark One)

☐

☒

☐

☐

REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES
EXCHANGE ACT OF 1934

OR

ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF
1934

For the fiscal year ended December 31, 2018

OR

TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT
OF 1934

OR

SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
ACT OF 1934

Date of event requiring this shell company report

For the transition period from          to

Commission file number 001-38024

BeyondSpring Inc.

(Exact name of Registrant as specified in its charter)

N/A
(Translation of Registrant’s name into English)

Cayman Islands
(Jurisdiction of incorporation or organization)

BeyondSpring Inc.
28 Liberty Street, 39th Floor
New York, New York 10005
(Address of principal executive offices)

Dr. Lan Huang, Chairperson of the Board and Chief Executive Officer
Telephone: +1 (646) 305-6387
Facsimile: +1 (646) 882-4228
BeyondSpring Inc.
28 Liberty Street, 39th Floor
New York, New York 10005

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(Name, Telephone, E-mail and/or Facsimile number and Address of Company Contact Person)

Securities registered or to be registered pursuant to Section 12(b) of the Act.

Title of each class
Ordinary Shares, par value $0.0001 per share

Name of each exchange on which registered
The NASDAQ Stock Market LLC

 
 
Securities registered or to be registered pursuant to Section 12(g) of the Act: None

Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act: None

Indicate  the  number  of  outstanding  shares  of  each  of  the  issuer’s  classes  of  capital  or  common  stock  as  of  the  close  of  the  period
covered by the annual report: 23,184,612 Ordinary Shares as of December 31, 2018

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.   Yes ☐    No ☒

If this report is an annual or transition report, indicate by check mark if the registrant is not required to file reports pursuant to Section
13 or 15(d) of the Securities Exchange Act of 1934.   Yes ☐   No ☒

Note—Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15(d) of the Securities
Exchange Act of 1934 from their obligations under those sections.

Indicate  by  check  mark  whether  the  registrant  (1)  has  filed  all  reports  required  to  be  filed  by  Section  13  or  15(d)  of  the  Securities
Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports),
and (2) has been subject to such filing requirements for the past 90 days.  Yes ☒  No ☐

Indicate  by  check  mark  whether  the  registrant  has  submitted  electronically  every  Interactive  Data  File  required  to  be  submitted
pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the
registrant was required to submit such files). Yes ☒  No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or an emerging
growth company. See definition of “large accelerated filer,” “accelerated filer,” and “emerging growth company” in Rule 12b-2 of the
Exchange Act.

Large accelerated filer
Non-accelerated filer

☐
☐

Accelerated filer
Emerging growth company

☐
☒

If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP, indicate by check mark if the
registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards†
provided pursuant to Section 13(a) of the Exchange Act. ☒

† The term “new or revised financial accounting standard” refers to any update issued by the Financial Accounting Standards Board to
its Accounting Standards Codification after April 5, 2012.

Indicate by check mark which basis of accounting the registrant has used to prepare the financial statements included in this annual
report:

U.S. GAAP ☒

International Financial Reporting Standards as
issued by the International Accounting Standards
Board ☐

Other ☐

If “Other” has been checked in response to the previous question, indicate by check mark which financial statement item the registrant
has elected to follow.  Item 17 ☐ Item 18 ☐

If this is an annual report, indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange
Act).  Yes ☐   No ☒

(APPLICABLE ONLY TO ISSUERS INVOLVED IN BANKRUPTCY PROCEEDINGS DURING THE PAST FIVE YEARS)

Indicate by checkmark whether the registrant has filed all documents and reports required to be filed by Sections 12, 13 or 15(d) of the
Securities Exchange Act of 1934 subsequent to the distribution of securities under a plan confirmed by a court. Yes ☐   No ☐

  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Item 1.
Item 2.
Item 3.
Item 4.
Item 4A.
Item 5.
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Item 9.
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Item 13.
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Item 16.
Item 16A.
Item 16B.
Item 16C.
Item 16D.
Item 16E.
Item 16F.
Item 16G.
Item 16H.
Item 17.
Item 18.
Item 19.

TABLE OF CONTENTS

Identity of Directors, Senior Management and Advisors
Offer Statistics and Expected Timetable
Key Information
Information on the Company
Unresolved Staff Comments
Operating and Financial Review and Prospects
Directors, Senior Management and Employees
Major Shareholders and Related Party Transactions
Financial Information
Offer and Listing
Additional Information
Qualitative and Quantitative Disclosures About Market Risk
Description of Securities Other than Equity Securities

PART II

Defaults, Dividend Arrearages and Delinquencies
Material Modifications to the Rights of Security Holders and Use of Proceeds
Controls and Procedures
[Reserved]
Audit Committee Financial Expert
Code of Ethics
Principal Accountant Fees and Services
Exemptions from the Listing Standards for Audit Committees
Purchases of Equity Securities by the Issuer and Affiliated Purchasers
Change in Registrant’s Certifying Accountant
Corporate Governance
Mine Safety Disclosure
Financial Statements
Financial Statements
Exhibits

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Table of Contents

INTRODUCTION

BeyondSpring Inc. was incorporated as an exempted company under the laws of the Cayman Islands in 2014. Except as the
context otherwise may require, all references to “us,” “our,” “BeyondSpring,” “we,” the “Company” and similar designations refer to
Dalian Wanchun Biotechnology Co., Ltd., or Wanchun Biotech, the former holding company of our U.S. subsidiary, and its
consolidated subsidiaries, as a whole, prior to the completion of our internal corporate reorganization, and BeyondSpring Inc. and its
consolidated subsidiaries, after the completion of our internal corporate reorganization on July 20, 2015. All references in this annual
report on Form 20-F to “$,”“U.S. dollars,” and “dollars” and “USD” mean U.S. dollars, all references to “RMB” mean Renminbi, the
legal currency of China, and all references to “AUD” mean Australian dollars, unless otherwise noted. All references to “PRC” or
“China” in this annual report on Form 20-F refer to the People’s Republic of China.

FORWARD-LOOKING STATEMENTS

This annual report on Form 20-F contains forward-looking statements that are based on our management’s belief and

assumptions and on information currently available to our management. Although we believe that the expectations reflected in these
forward-looking statements are reasonable, these statements relate to future events or our future financial performance, and involve
known and unknown risks, uncertainties and other factors that may cause our actual results, levels of activity, performance or
achievements to be materially different from any future results, levels of activity, performance or achievements stated in or implied by
these forward-looking statements.

All statements other than statements of historical facts are forward-looking statements. These forward-looking statements are

made under the “safe harbor” provision under Section 27A of the Securities Act of 1933, as amended, or the Securities Act, and
Section 21E of the Securities Exchange Act of 1934, as amended, or the Exchange Act, and as defined in the Private Securities
Litigation Reform Act of 1995. In some cases, you can identify forward-looking statements by terminology such as “may,” “will,”
“should,” “expects,” “intends,” “plans,” “anticipates,” “believes,” “estimates,” “predicts,” “potential,” “continue” or the negative of
these terms or other comparable terminology. These statements are only predictions. You should not place undue reliance on forward-
looking statements because they involve known and unknown risks, uncertainties and other factors, which are, in some cases, beyond
our control and which could materially affect results. You should refer to “Item 3. Key Information—D. Risk Factors” and elsewhere in
this annual report on Form 20-F for specific risks that could cause actual results to be significantly different from those stated in or
implied by these forward-looking statements. If one or more of these risks or uncertainties occur, or if our underlying assumptions
prove to be incorrect, actual events or results may vary significantly from those implied or projected by the forward-looking
statements. No forward-looking statement is a guarantee of future performance. You should read this annual report on Form 20-F and
the documents that we reference in this annual report on Form 20-F completely and with the understanding that our actual future results
may be materially different from any future results stated in or implied by these forward-looking statements.

Forward-looking statements in this annual report on Form 20-F include, but are not limited to, statements about:

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the initiation, timing, progress and results of our studies in animals and clinical trials, and our research and development
programs;

our ability to advance our product candidates into, and successfully complete, clinical trials;

our reliance on the success of our clinical-stage product candidates;

the timing or likelihood of regulatory filings and approvals;

the commercialization of our product candidates, if approved;

our ability to develop sales and marketing capabilities;

the pricing and reimbursement of our product candidates, if approved;

 
 
 
 
 
 
 
 
 
 
 
 
Table of Contents

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the implementation of our business model, strategic plans for our business and technology;

the scope of protection we are able to establish and maintain for intellectual property rights covering our product
candidates and technology;

our ability to operate our business without infringing the intellectual property rights and proprietary technology of third
parties;

costs associated with defending intellectual property infringement, product liability and other claims;

regulatory development in the United States, China and other jurisdictions;

estimates of our expenses, future revenues, capital requirements and our needs for additional financing;

the potential benefits of strategic collaboration agreements and our ability to enter into strategic arrangements;

our ability to maintain and establish collaborations or obtain additional grant funding;

the rate and degree of market acceptance of our product candidates;

developments relating to our competitors and our industry, including competing therapies;

our ability to effectively manage our anticipated growth;

our ability to attract and retain qualified employees and key personnel;

our expectations regarding the period during which we qualify as an emerging growth company under the U.S. Jumpstart
Our Business Startups Act, or the JOBS Act;

statements regarding future revenue, hiring plans, expenses, capital expenditures, capital requirements and share
performance;

the future trading price of our ordinary shares and impact of securities analysts’ reports on these prices;

our ability to continue as a going concern; and

other risks and uncertainties, including those listed under the “Item 3. Key Information—D. Risk Factors.”

The items in “Item 3. Key Information—D. Risk Factors” of this annual report on Form 20-F reference the principal

contingencies and uncertainties to which we believe we are subject, which should be considered in evaluating any forward-looking
statements contained in this annual report on Form 20-F.

The forward-looking statements in this annual report on Form 20-F speak only to our views as of the date of this annual report

on Form 20-F and we undertake no obligation to publicly update or revise any forward-looking statements, whether as a result of new
information, future events or otherwise.  We anticipate that subsequent events and developments will cause our views to change.
However, while we may elect to update these forward-looking statements at some point in the future, we have no current intention of
doing so except to the extent required by applicable law. You should therefore not rely on these forward-looking statements as
representing our views as of any date subsequent to the date of this annual report on Form 20-F.

This annual report on Form 20-F contains market data and industry forecasts that were obtained from industry publications.

These data involve a number of assumptions and limitations, and you are cautioned not to give undue weight to such estimates. While
we believe the market position, market opportunity and market size information included in this annual report on Form 20-F is
generally reliable, such information is inherently imprecise.

2

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Table of Contents

PART I

Item 1.

Identity of Directors, Senior Management and Advisors

Not applicable.

Item 2. Offer Statistics and Expected Timetable

Not applicable.

Item 3. Key Information

A.

Selected Financial Data

The selected consolidated statements of comprehensive loss data for the years ended December 31, 2016, 2017 and 2018, and

the selected consolidated balance sheet data as of December 31, 2017 and 2018 have been derived from our audited consolidated
financial statements included elsewhere in this annual report on Form 20-F. The selected consolidated balance sheet data as of
December 31, 2016 have been derived from our audited consolidated financial statements not included in this annual report on Form
20-F. Our financial statements have been prepared in accordance with generally accepted accounting principles in the U.S., or U.S.
GAAP. You should read this data together with our audited consolidated financial statements and related notes included elsewhere in
this annual report on Form 20-F and the information under the caption “Item 5. Operating and Financial Review and Prospects.” Our
historical results are not necessarily indicative of our future results.

Consolidated statements of comprehensive loss data:
Revenue
Operating expenses:
Research and development (including patent cost of $42,259 for the year ended

December 31, 2017)

General and administrative

Loss from operations
Foreign exchange gain (loss), net
Interest income
Other income

Net loss before income tax
Income tax benefit

Net loss
Less: Net loss attributable to noncontrolling interests

Year Ended December 31,
2016
2018
2017
(In thousands of U.S. Dollars (“$”),
except share and per share amounts)

—     

—     

— 

(10,437)    
(1,931)    

(88,928)    
(9,053)    

(51,618)
(5,927)

(12,368)    
(195)    
18     
—     

(97,981)    
555     
120     
918     

(57,545)
(455)
211 
315 

(8,052)    
—     

(96,388)    
—     

(57,474)
— 

(12,545)    
(535)    

(96,388)    
(4,625)    

(57,474)
(2,605)

Net loss attributable to BeyondSpring Inc.

(12,010)    

(91,763)    

(54,869)

Net loss per share
Basic and diluted

(0.75)    

(4.40)    

(2.42)

Weighted average shares outstanding Basic and diluted

    16,086,419      20,866,084      22,665,265 

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Other comprehensive loss
Foreign currency translation adjustment (loss) gain

Year Ended December 31,
2016
2018
2017
(In thousands of U.S. Dollars (“$”),
except share and per share amounts)

(64)    

(1)    

251 

Total comprehensive loss
Less: Comprehensive loss attributable to noncontrolling interests

(12,609)    
(561)    

(96,389)    
(4,535)    

(57,223)
(2,578)

Comprehensive loss attributable to BeyondSpring Inc.

(12,048)    

(91,854)    

(54,645)

Consolidated balance sheet data:
Cash

Total assets
Total current liabilities
Total liabilities

Noncontrolling interests
Total equity (deficit)

B.

Capitalization and Indebtedness

Not applicable.

C.

Reasons for the Offer and Use of Proceeds

Not applicable.

D.

Risk Factors

11,687     

27,481     

3,889 

14,908     
2,609     
2,609     

32,828     
4,792     
4,792     

147     
12,299     

960     
28,036     

7,063 
16,445 
16,445 

(1,616)
(9,382)

Risks Related to Our Financial Position and Need for Additional Capital

We have a limited operating history, which may make it difficult to evaluate our current business and predict our future
performance.

Wanchun Biotech, the former holding company of our U.S. subsidiary, was formed in 2010. Our operations to date have

focused on organizing and staffing our company, business planning, raising capital, establishing our intellectual property portfolio,
including protecting the rights to Plinabulin, and conducting studies in animals and clinical trials of Plinabulin. Our current pipeline
consists of Plinabulin for multiple indications, including the prevention of chemotherapy-induced severe neutropenia, or CIN, as a
direct anticancer agent in non-small cell lung cancer, or NSCLC, when combined with docetaxel and as a direct anticancer agent in
NSCLC when combined with nivolumab and a pipeline of preclinical immuno-oncology product candidates. We have not yet
demonstrated the ability to successfully complete large-scale, pivotal clinical trials, obtain regulatory approvals, manufacture a
commercial scale drug, or arrange for a third party to do so on our behalf, or conduct sales and marketing activities necessary for
successful commercialization. We have not yet obtained regulatory approval for, or demonstrated an ability to commercialize, any of
our product candidates. We have no products approved for commercial sale and have not generated any revenue from product sales.
Consequently, it is difficult to evaluate our business and prospects for future performance.

We are focused on the discovery and development of innovative, molecular-targeted and immuno-oncology drugs for the
treatment of cancers. Our limited operating history, particularly in light of the rapidly evolving cancer treatment field, may make it
difficult to evaluate our current business and prospects for future performance. Our short history makes any assessment of our future
performance or viability subject to significant uncertainty. We will encounter risks and difficulties frequently experienced by early-
stage companies in rapidly evolving fields as we seek to transition to a company capable of supporting commercial activities. In
addition, as a new business, we may be more likely to encounter unforeseen expenses, difficulties, complications and delays due to
limited experience. If we do not address these risks and difficulties successfully, our business will suffer.

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We have incurred net losses in each period since our inception and anticipate that we will continue to incur net losses for the
foreseeable future.

Pharmaceutical product development is highly speculative because it entails substantial upfront capital expenditures and

significant risk that a product candidate will fail to gain regulatory approval or achieve commercial viability and acceptance by
patients, doctors and payors. We have devoted most of our financial resources to research and development, including our studies in
animals and clinical trials. We have not generated any revenue from product sales to date, and we continue to incur significant
development and other expenses related to our ongoing operations. As a result, we are not profitable and have incurred losses in each
period since our inception in 2010. For the years ended December 31, 2016, 2017 and 2018, we reported a net loss of $12.5  million,
$96.4 million and $57.5 million, respectively, and had an accumulated deficit of $123.9 million and $178.8 million as of December 31,
2017 and 2018, respectively. $42.3 million of our accumulated deficit in 2017 was attributable to the shares issued to NPBISPO
Liquidating Trust, or Nereus Trust. In connection with our initial public offering, or IPO, completed on March 14, 2017, we issued
2,112,963 ordinary shares to Nereus Trust and terminated the royalty arrangements between us and Nereus Pharmaceuticals, Inc., or
Nereus. The patents acquired from Nereus were expensed as a research and development expense and the cost was determined based
on the fair value of the issued ordinary shares of $20 per share. Substantially all of our operating losses have resulted from costs
incurred in connection with our research and development programs and from general and administrative costs associated with our
operations. We expect to continue to incur losses for the foreseeable future, and we expect these losses to increase as we continue our
development of, and seek regulatory approvals for, our product candidates, and begin to commercialize approved drugs, if any.
Typically, it takes many years to develop one new drug from the time it is discovered to when it is available for treating patients. We
may encounter unforeseen expenses, difficulties, complications, delays and other unknown factors that may increase our expenses and
adversely affect our ability to generate revenue. The size of our future net losses will depend, in part, on our ability to manage these
aspects of our business. If any of our product candidates fail in clinical trials or do not gain regulatory approval, or if approved, fail to
achieve market acceptance, we may never become profitable. Even if we achieve profitability in the future, we may not be able to
sustain profitability in subsequent periods. Our prior losses and expected future losses have had, and will continue to have, an adverse
effect on our shareholders’ equity and working capital.

We expect our research and development expenses to continue to be significant in connection with our continued investment

in our ongoing and planned clinical trials for our current product candidates and any future product candidates we may develop.
Furthermore, we plan to invest in pre-commercialization activities prior to obtaining regulatory approval and if we obtain regulatory
approval for our product candidates, we expect to incur increased sales and marketing expenses. As a result, we expect to continue to
incur significant and increasing operating losses and negative cash flows for the foreseeable future. These losses have had and will
continue to have a material adverse effect on our shareholders’ equity, financial position, cash flows and working capital.

We will depend on future financing to continue as a going concern.

We are a clinical stage biopharmaceutical company and have incurred operating losses and negative cash flows from

operations since our inception. We have devoted most of our financial resources to research and development, including our clinical
and preclinical development activities. To date, we have financed our operations primarily through equity financings. We have not
generated, and do not expect to generate, any significant revenue for the foreseeable future. We expect to continue to incur significant
operating losses for the foreseeable future due to the cost of research and development, clinical trials, preclinical studies and the
regulatory approval process for product candidates. The amount of our future net losses is uncertain and will depend, in part, on the
rate of our future expenditures. The opinion of our independent registered accountants on our audited financial statements included in
this annual report on Form 20-F contains an explanatory paragraph regarding substantial doubt about our ability to continue as a going
concern.  Our ability to continue operations as a going concern will depend on, among other things, our ability to obtain funding
through equity and debt financing, potential licensing and partnership arrangements, and sale of products after obtaining regulatory
approvals, as well as managing our expenses. While we believe our strategies will generate funding that will be sufficient to continue
as a going concern, if these strategies are unsuccessful, then we may need to realize assets and extinguish liabilities other than in the
ordinary course of business and at amounts different to those disclosed in our financial statements. Our financial statements do not
contain any adjustments to the amounts or classifications of recorded assets or liabilities that might be necessary if we do not continue
as a going concern. The financial statements take no account of the consequences, if any, of the effects of unsuccessful product
development or commercialization, nor of any inability of our company to obtain adequate funding in the future.

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We will need to obtain additional financing to fund our future operations. If we are unable to obtain such financing, we will be
unable to complete the development and commercialization of our current or future product candidates.

We have financed our operations with a combination of equity offerings, shareholder and third-party loans. Through

December 31, 2018, we have raised approximately $101.4 million in equity financing, $1.0 million in third party loans, which was
since converted into an equity investment, and $8.8 million in shareholder loans, of which $0.4 million has been repaid and $8.4
million was assumed by Wanchun Biotech, the former holding company of our U.S. subsidiary, on July 20, 2015 pursuant to our
internal restructuring. Our product candidates will require the completion of regulatory review, significant marketing efforts and
substantial investment before they can provide us with any product sales revenue.

Our operations have consumed substantial amounts of cash since inception. The net cash used for our operating activities was

$13.7 million, $28.8 million and $40.0 million for the years ended December 31, 2016, 2017 and 2018, respectively. We expect to
continue to spend substantial amounts on discovering new product candidates, advancing the clinical development of our product
candidates and launching and commercializing any product candidates for which we receive regulatory approval, including either
partnering with one or more national pharmaceutical companies or building our own commercial organizations to address certain
markets in China.

We will need to obtain additional financing to fund our future operations and to complete the development and

commercialization of our current or future product candidates. Moreover, our fixed expenses and other contractual commitments are
substantial and are expected to increase in the future.

Our future funding requirements will depend on many factors, including, but not limited to:

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the costs of our current, planned and potential future clinical trials;

the outcome, timing and cost of regulatory approvals by the Food and Drug Administration, or FDA, the National
Medical Products Administration, or NMPA, which is the successor to the China Food and Drug Administration, or
CFDA, and the European Medicines Agency, or EMA, and comparable regulatory authorities, including any additional
studies we may be required to perform;

the cost of commercialization of our product candidates;

the cost and timing of completion of commercial-scale outsourced manufacturing activities;

the amount of profit we earn from product candidates that we succeed in commercializing, if any;

the cost of filing, prosecuting, defending and enforcing any patent claims and other intellectual property rights;

the expenses associated with any potential future collaborations, licensing or other arrangements that we may establish;

cash requirements of any future acquisitions;

the costs of operating as a public company;

the time and cost necessary to respond to technological and market developments; and

the number and characteristics of product candidates that we may develop and expenses associated with that
development.

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We may finance future cash needs through equity and debt financing, potential licensing and partnership arrangements, and

sale of products after obtaining regulatory approvals.

Completing the clinical trial of Plinabulin in combination with docetaxel for the treatment of NSCLC, completing our two

Phase 2/3 clinical trials for the treatment of CIN and the development of other product candidates will require additional funds. In
order to enable us to operate as a going concern in the foreseeable future, we will need, among other things, additional capital resources
which may not be available to us on acceptable terms or at all. There can be no assurance that capital will be available as necessary to
meet our working capital requirements or, if the capital is available, that it will be on terms acceptable to us. The issuances of
additional equity securities by us may result in dilution in the equity interests of our current shareholders. Obtaining commercial loans,
assuming those loans will be available, will increase our liabilities and future cash commitments. If we are unable to obtain financing
in the amounts and on terms deemed acceptable, the business and future success will be materially and adversely affected. Due to these
factors, among others, our independent registered accountants issued an opinion on our audited financial statements included in this
annual report on Form 20-F that contains an explanatory paragraph regarding substantial doubt about our ability to continue as a going
concern. If we are unable to raise capital when needed or on attractive terms, we would be forced to delay, reduce or eliminate our
research and development programs or future commercialization efforts. Our inability to obtain additional funding when we need it
could seriously harm our business and we may no longer be able to continue as a going concern and may suspend operations.

Raising additional capital may cause dilution to our shareholders, restrict our operations or require us to relinquish rights to our
technologies or product candidates.

We may seek additional funding through a combination of equity and debt financing, potential licensing and partnership

arrangements, and sale of products after obtaining regulatory approvals. Any issuance of equity or equity-linked securities could result
in significant dilution to our shareholders. The incurrence of additional indebtedness or the issuance of certain equity securities could
result in increased fixed payment obligations and could also result in certain additional restrictive covenants, such as limitations on our
ability to incur additional debt or issue additional equity, limitations on our ability to acquire or license intellectual property rights and
other operating restrictions that could adversely impact our ability to conduct our business. In addition, issuance of additional equity
securities, or the possibility of such issuance, may cause the market price of our ordinary shares to decline. In the event that we enter
into collaborations or licensing arrangements to raise capital, we may be required to accept unfavorable terms, including relinquishing
or licensing to a third party on unfavorable terms our rights to technologies or product candidates that we otherwise would seek to
develop or commercialize ourselves or potentially reserve for future potential arrangements when we might be able to achieve more
favorable terms.

We currently do not generate revenue from product sales and may never become profitable.

Our ability to generate revenue and become profitable depends upon our ability to successfully complete the development of,
and obtain the necessary regulatory approvals for, our product candidates and any future product candidates we may develop, as we do
not currently have any drugs that are available for commercial sale. We expect to continue to incur substantial and increasing losses
through the commercialization of our product candidates and any future product candidates. None of our product candidates has been
approved for marketing in China, the U.S., the European Union or any other jurisdiction and our product candidates may never receive
such approval. Our ability to generate revenue and achieve profitability is dependent on our ability to complete the development of our
product candidates and any future product candidates we develop, obtain necessary regulatory approvals, and have our drugs
manufactured and successfully marketed.

Even if we receive regulatory approval and marketing authorization for one or more of our product candidates or one or more

of any future product candidates for commercial sale, a potential product may not generate revenue at all unless we are successful in:

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developing a sustainable and scalable manufacturing process for our product candidates and any approved products,
including establishing and maintaining commercially viable supply relationships with third parties;

launching and commercializing product candidates for which we obtain regulatory approvals and marketing
authorizations, either directly or with a collaborator or distributor;

obtaining market acceptance of our product candidates as viable treatment options; and

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addressing any competing technological and market developments.

In addition, our ability to achieve and maintain profitability depends on timing and amount of expenses we incur. Our
expenses could increase materially if we are required by the FDA, the NMPA, the EMA or other comparable regulatory authorities to
perform studies in addition to those that we currently anticipate. Even if our product candidates are approved for commercial sale, we
anticipate incurring significant costs associated with the commercial launch of these drugs.

Even if we are able to generate revenues from the sale of any products we may develop, we may not become profitable on a
sustainable basis or at all. Our failure to become and remain profitable would decrease the value of our company and adversely affect
the market price of our ordinary shares which could impair our ability to raise capital, expand our business or continue our operations
and cause you to lose all or part of your investment.

Risks Related to Clinical Development of Our Product Candidates

We depend substantially on the success of Plinabulin, which is being developed for multiple indications. Clinical trials of
Plinabulin or any other product candidates we develop may not be successful. If we are unable to commercialize Plinabulin or any
of our other product candidates, or experience significant delays in doing so, our business will be materially harmed.

Our business and the ability to generate revenue related to product sales, if ever, will depend on the successful development,

regulatory approval and commercialization of Plinabulin and any other product candidates we may develop. We have invested a
significant portion of our efforts and financial resources in the development of our current product candidates and expect to invest in
other product candidates. The success of Plinabulin and any other potential product candidates will depend on many factors, including:

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successful enrollment in, and completion of, studies in animals and clinical trials;

third parties’ ability in conducting our clinical trials safely, efficiently and according to the agreed protocol;

receipt of regulatory approvals from the FDA, NMPA, EMA and other comparable regulatory authorities for our product
candidates;

establishing commercial manufacturing capabilities by making arrangements with third-party manufacturers;

launching commercial sales of our product candidates, if and when approved;

ensuring we do not infringe, misappropriate or otherwise violate the patent, trade secret or other intellectual property
rights of third parties;

obtaining acceptance of our product candidates by doctors and patients;

obtaining reimbursement from third-party payors for our product candidates, if and when approved;

our ability to compete against other product candidates and drugs;

• maintaining an acceptable safety profile for our product candidates following regulatory approval, if and when received;

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obtaining and maintaining patent, trade secret and other intellectual property protection and regulatory exclusivity.

We may not achieve regulatory approval and commercialization in a timely manner or at all. Significant delays in our ability

to obtain approval for and/or to successfully commercialize our product candidates would materially harm our business and we may
not be able to generate sufficient revenues and cash flows to continue our operations.

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All of our current clinical trials involve Plinabulin for multiple indications and we may not be successful in our efforts to identify
or discover additional product candidates. Due to our limited resources and access to capital, we must, and have in the past decided
to, prioritize the development of Plinabulin for different indications. If our current Plinabulin-based product candidates fail to
become viable products, our business will be adversely affected.

Although in the future we intend to explore other therapeutic opportunities in addition to Plinabulin, which we acquired from
Nereus, and did not develop on our own, currently we have only identified four product candidates that do not include Plinabulin and
clinical trials on those candidates have not begun. Development of product candidates requires substantial technical, financial and
human resources whether or not we ultimately are successful. Our research programs and those of our collaborators may initially show
promise in identifying potential indications and/or product candidates, yet fail to yield results for clinical development for a number of
reasons, including:

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the research methodology used may not be successful in identifying potential indications and/or product candidates;

potential product candidates may, after further study, be shown to have harmful adverse effects or other characteristics
that indicate they are unlikely to be effective drugs; or

it may take greater human and financial resources to identify additional therapeutic opportunities for our product
candidates or to develop suitable potential product candidates through internal research programs than we will possess,
thereby limiting our ability to diversify and expand our drug portfolio.

Because we have limited financial and managerial resources, we focus on research programs and product candidates for

specific indications. We may focus our efforts and resources on potential product candidates or other potential programs that ultimately
prove to be unsuccessful. We also may forego or delay pursuit of opportunities with other product candidates or for other indications
that later prove to have greater commercial potential or a greater likelihood of success. Our resource allocation decisions may cause us
to fail to capitalize on viable commercial products or profitable market opportunities.

Accordingly, we may never be able to identify additional therapeutic opportunities for our product candidates or to develop

suitable potential product candidates through either internal research programs, which could materially adversely affect our future
growth and prospects, or our collaborations.

If we encounter difficulties enrolling patients in our clinical trials, our clinical development activities could be delayed or otherwise
adversely affected.

The timely completion of clinical trials in accordance with their protocols depends, among other things, on our ability to

enroll a sufficient number of patients who meet the trial criteria and remain in the trial until its conclusion. We may experience
difficulties enrolling and retaining appropriate patients in our clinical trials for a variety of reasons, including:

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the size and nature of the patient population;

the patient eligibility criteria defined in the clinical protocol;

the size of the study population required for statistical analysis of the trial’s primary endpoints;

the proximity of patients to trial sites;

the design of the trial and changes to the design of the trial;

our ability to recruit clinical trial investigators with the appropriate competencies and experience;

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competing clinical trials for similar therapies or other new therapeutics exist and will reduce the number and types of
patients available to us;

clinicians’ and patients’ perceptions as to the potential advantages and side effects of the product candidate being studied
in relation to other available therapies, including any new drugs or treatments that may be approved for the indications we
are investigating;

our ability to obtain and maintain patient consents;

patients enrolled in clinical trials may not complete a clinical trial; and

the availability of approved therapies that are similar to our product candidates.

Even if we are able to enroll a sufficient number of patients in our clinical trials, delays in patient enrollment may result in
increased costs or may affect the timing or outcome of the planned clinical trials, which could prevent completion of these trials and
adversely affect our ability to advance the development of our product candidates.

Clinical drug development involves a lengthy and expensive process and can fail at any stage of the process. We have limited
experience in conducting clinical trials and results of earlier studies and trials may not be reproduced in future clinical trials.

Clinical testing is expensive and can take many years to complete, and failure can occur at any time during the clinical trial
process. The results of studies in animals and early clinical trials of our product candidates may not predict the results of later-stage
clinical trials. We are currently conducting clinical trials for Plinabulin in CIN and NSCLC, however, we did not conduct the Phase 1/2
clinical trial pertaining to the combination of Plinabulin and docetaxel, or Study 101. Study 101 was conducted by Nereus and we
acquired Plinabulin from Nereus after such Phase 1/2 clinical trial had been substantially completed. Product candidates in later stages
of clinical trials may fail to show the desired safety and efficacy traits despite having progressed through studies in animals and initial
clinical trials. In some instances, there can be significant variability in safety and/or efficacy results between different trials of the same
product candidate due to numerous factors, including changes in trial procedures set forth in protocols, differences in the size and type
of the patient populations (including genetic differences), patient adherence to the dosing regimen and the patient dropout rate. Results
in later trials may also differ from earlier trials due to a larger number of clinical trial sites and additional countries and languages
involved in such trials. In addition, the design of a clinical trial can determine whether its results will support approval of a product,
and flaws in the design of a clinical trial may not become apparent until the clinical trial is well advanced and significant expense has
been incurred.

A number of companies in the pharmaceutical and biotechnology industries have suffered significant setbacks in advanced

clinical trials due to lack of demonstrated efficacy or adverse safety profiles, notwithstanding promising results in earlier trials. Clinical
trials of potential products often reveal that it is not practical or feasible to continue development efforts. For example, the
improvement in survival for all patients enrolled in the Plinabulin plus docetaxel arm of the Phase 2 portion of Study 101 was not
statistically significant. We decided to proceed with a Phase 3 clinical trial of Plinabulin in combination with docetaxel for advanced
NSCLC (Study 103) based on a post hoc analysis of a certain subset of patients as amended based upon our discussions with the FDA.
Based on this previous subset analysis, in Study 103, we are enrolling advanced or metastatic NSCLC patients into this trial who have
failed at least one previous platinum-based chemotherapy and have measurable lesions. Designing the Phase 3 trial in this manner may
increase the risk that the results of the trial may not be what we expect. If the results of Study 103 of Plinabulin in combination with
docetaxel for advanced NSCLC do not demonstrate statistically significant efficacy with an acceptable safety profile, we would not be
able to obtain approval of Plinabulin for that indication. In addition, if our Phase 2/3 trial for the reduction of CIN caused by high risk
chemotherapy (Study 106) or other trials we conduct fail to meet their primary statistical and clinical endpoints, they will not support
NMPA or FDA approval of Plinabulin in one or either of these indications. If this occurs, we would need to replace any of the failed
trials with a new trial or trials, which would require significant additional expense, cause substantial delays in commercialization and
materially adversely affect our business, financial condition, cash flows and results of operations.

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If clinical trials of our product candidates fail to demonstrate safety and efficacy to the satisfaction of the FDA, NMPA, EMA or
other comparable regulatory authorities or do not otherwise produce positive results, we may incur additional costs or experience
delays in completing, or ultimately be unable to complete, the development and commercialization of our product candidates.

Before applying for and obtaining regulatory approval for the sale of any of our product candidates, we must conduct

extensive clinical trials to demonstrate the safety and efficacy of our product candidates in humans. Clinical testing is expensive,
difficult to design and implement, can take many years to complete and may fail. A failure of one or more of our clinical trials can
occur at any stage of testing and successful interim results of a clinical trial do not necessarily predict successful final results. In the
past, patients developed certain undesirable adverse events caused by Plinabulin, including nausea, vomiting, fatigue, fever, tumor pain
and transient blood pressure elevation, and in the future patients may develop similar or different undesirable adverse events, that could
delay or prevent regulatory approval. We and our contract research organizations, or CROs, are required to comply with Good Clinical
Practice requirements, or GCPs, which are regulations and guidelines enforced by the FDA, NMPA, EMA and other comparable
regulatory authorities for all drugs in clinical development. Regulatory authorities enforce these GCPs through periodic inspections of
trial sponsors, principal investigators and trial sites. Compliance with GCPs can be costly and if we or any of our CROs fail to comply
with applicable GCPs, the clinical data generated in our clinical trials may be deemed unreliable and the FDA, NMPA, EMA or
comparable regulatory authorities may require us to perform additional clinical trials before approving our marketing applications.

We may experience numerous unexpected events during, or as a result of, clinical trials that could delay or prevent our ability

to receive regulatory approval or commercialize our product candidates, including:

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regulators, institutional review boards, or IRBs, or ethics committees may not authorize us or our investigators to
commence a clinical trial or conduct a clinical trial at a prospective trial site;

clinical trials of our product candidates may produce negative or inconclusive results, and we may decide, or regulators
may require us, to conduct additional clinical trials or abandon drug development programs;

the number of patients required for clinical trials of our product candidates may be larger than we anticipate, enrollment
may be insufficient or slower than we anticipate or patients may drop out at a higher rate than we anticipate;

our third-party contractors and investigators may fail to comply with regulatory requirements or meet their contractual
obligations to us in a timely manner, or at all;

we might have to suspend or terminate clinical trials of our product candidates for various reasons, including a lack of
clinical response or a determination that participants are being exposed to unacceptable health risks;

regulators, IRBs or ethics committees may require that we or our investigators suspend or terminate clinical research for
various reasons, including noncompliance with regulatory requirements;

the cost of clinical trials of our product candidates may be greater than we anticipate;

the supply or quality of our product candidates or other materials necessary to conduct clinical trials of our product
candidates may be insufficient or inadequate; and

our product candidates may cause adverse events or have undesirable side effects or other unexpected characteristics,
causing us, our investigators, or regulators to suspend or terminate the trials.

If we are required to conduct additional clinical trials or other testing of our product candidates beyond those that we currently

contemplate, if we are unable to successfully complete clinical trials of our product candidates or other testing, if the results of these
trials or tests are not positive or are only modestly positive or if they raise safety concerns, we may:

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be delayed in obtaining regulatory approval for our product candidates;

not obtain regulatory approval at all;

obtain approval for indications that are not as broad as intended;

have a drug removed from the market after obtaining regulatory approval;

be subject to additional post-marketing testing requirements;

be subject to restrictions on how a drug is distributed or used; or

be unable to obtain reimbursement for use of a drug.

Delays in testing or approvals may result in increases in our drug development costs. We do not know whether any clinical

trials will begin as planned, will need to be restructured or will be completed on schedule, or at all. Clinical trials may produce negative
or inconclusive results. Moreover, these trials may be delayed or proceed less quickly than intended. Delays in completing our clinical
trials will increase our costs, slow down our product candidate development and approval process, and jeopardize our ability to
commence product sales and generate revenues and we may not have sufficient funding to complete the testing and approval process.
Any of these events may significantly harm our business, financial condition and prospects, lead to the denial of regulatory approval of
our product candidates or allow our competitors to bring drugs to market before we do, impairing our ability to commercialize our
drugs if and when approved.

Risks Related to Obtaining Regulatory Approval for Our Product Candidates

The regulatory approval processes of the FDA, NMPA, EMA and other comparable regulatory authorities are lengthy, time
consuming and inherently unpredictable, and if we are ultimately unable to obtain regulatory approval for our current product
candidates or any future product candidates we may develop, our business will be substantially harmed.

We cannot commercialize product candidates without first obtaining regulatory approval to market each drug from the FDA,

NMPA, EMA or comparable regulatory authorities in the applicable jurisdictions. Before obtaining regulatory approvals for the
commercial sale of any product candidate for a target indication in a particular jurisdiction, we must demonstrate in studies in animals
and well-controlled clinical trials, and, to the satisfaction of the FDA with respect to approval in the U.S., that the product candidate is
safe and effective for use for that target indication and that the manufacturing facilities, processes and controls are adequate.

The time required to obtain approval by the FDA, NMPA, EMA and other comparable regulatory authorities is unpredictable

but typically takes many years following the commencement of studies in animals and clinical trials and depends upon numerous
factors, including the substantial discretion of the regulatory authorities. In addition, approval policies, regulations or the type and
amount of clinical data necessary to gain approval can differ among regulatory authorities and may change during the course of a
product candidate’s clinical development. We have not obtained regulatory approval for any product candidate. It is possible that
neither our existing product candidates nor any product candidates we may discover or acquire for development in the future will ever
obtain regulatory approval. Even if we obtain regulatory approval in one jurisdiction, we may not obtain it in other jurisdictions or we
may not obtain it for the same indications or under the same conditions.

Our product candidates could fail to receive regulatory approval from any of the FDA, NMPA, EMA or a comparable

regulatory authority for many reasons, including:

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disagreement with regulators regarding the design or implementation of our clinical trials;

failure to demonstrate that a product candidate is safe and effective or safe, pure and potent for its proposed indication;

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failure of clinical trial results to meet the level of statistical significance required for approval. For example, the results of
Study 101 were not statistically significant;

failure to demonstrate that a product candidate’s clinical and other benefits outweigh its safety risks;

disagreement with regulators regarding our interpretation of data from studies in animals or clinical trials;

insufficiency of data collected from clinical trials of our product candidates to support the submission and filing of a new
drug application, or an NDA, or other submission or to obtain regulatory approval;

the FDA, NMPA, EMA or a comparable regulatory authority’s finding of deficiencies related to the manufacturing
processes or facilities of third-party manufacturers with whom we contract for clinical and commercial supplies; and

changes in approval policies or regulations that render our preclinical studies and clinical data insufficient for approval.

In addition, conducting our late stage clinical trials for the treatment of CIN and NSCLC for Plinabulin that include a majority

of patients in China may create regulatory risks for our NDA filings in the U.S. Our ongoing NSCLC clinical trial (Study 103) is
expected to be conducted in 554 patients with approximately 80% of the patients in China and 20% of the patients in the U.S. and
Australia. Our CIN clinical trials (Study 105 and Study 106) is expected to be conducted in approximately 400 patients with
approximately 50% of the patients in China and 50% of the patients in the U.S., Russia and the Ukraine.  If no benefit is shown in the
U.S. population, if the results of our studies do not support the assessment that the Phase 2/3 study data may be pooled, or if the patient
population enrolled does not reflect the U.S. standard of care, among other potential objections, the findings of the trials might not be
considered to be applicable to U.S. patients and the FDA might not approve our NDA.

Any of the FDA, NMPA, EMA or a comparable regulatory authority may require more information, including additional

preclinical studies or clinical data, to support approval for a target indication, which may delay or prevent approval and our
commercialization plans, or we may decide to abandon the development program. If we were to obtain approval, regulatory authorities
may approve any of our product candidates for fewer or more limited indications than we request. For example, because the FDA
views squamous and non-squamous NSCLC as distinct diseases, depending on the results of our Phase 3 trial in NSCLC, we may only
be able to obtain approval in one of those diseases. Regulatory authorities also may grant approval contingent on the performance of
costly post-marketing clinical trials or other post-marketing requirements, or may approve a product candidate with a label that
presents obstacles to the successful commercialization of that product candidate. In addition, if our product candidate produces
undesirable side effects or involves safety issues, the FDA may require the establishment of a Risk Evaluation Mitigation Strategy, or
REMS, or the NMPA, EMA or a comparable regulatory authority may require the establishment of a similar strategy. Such a strategy
may, for instance, restrict distribution of our product candidate, require patient or physician education or impose other burdensome
implementation requirements on us.

Any of the foregoing or similar scenarios could materially harm the commercial prospects of our product candidates.

Regulatory approval may be substantially delayed or may not be obtained for one or all of our product candidates or target
indications if regulatory authorities require additional time or studies to assess the safety or efficacy of our product candidates.

We may be unable to complete development of our product candidates, or initiate or complete development of any future

product candidates we may develop, on schedule, if at all. Completing the clinical trial of Plinabulin in combination with docetaxel for
the treatment of NSCLC, completing our two Phase 2/3 clinical trials for the treatment of CIN and the development of other product
candidates will require additional funds. If regulatory authorities require additional time or studies to assess the safety or efficacy of
our product candidates, we may not have or be able to obtain adequate funding to complete the necessary steps for approval for our
product candidates or any future product candidate.

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Studies in animals and clinical trials required to demonstrate the safety and efficacy of our product candidates are time

consuming and expensive and take several years or more to complete. Delays in clinical trials, regulatory approvals or rejections of
applications for regulatory approval in the U.S., China, Europe or other markets may result from many factors, including:

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our inability to obtain sufficient funds required to conduct or continue a clinical trial, including lack of funding due to
unforeseen costs or business decisions;

failure to reach agreement with, or inability to comply with conditions imposed by, the FDA, NMPA, EMA or other
regulators regarding the scope or design of our clinical trials or other aspects of the regulatory approval process;

clinical holds, other regulatory objections or conditions to commencing or continuing a clinical trial or the inability to
obtain regulatory approval to commence a clinical trial in countries that require such approvals;

our inability to reach agreements on acceptable terms with prospective CROs with the requisite experience and expertise,
and trial sites, the terms of which can be subject to extensive negotiation and may vary significantly among different
CROs and trial sites;

our inability to obtain approval from IRBs or ethics committees to conduct clinical trials at their respective sites;

our inability to enroll in a clinical trial a sufficient number of patients who meet the applicable inclusion and exclusion
criteria in a clinical trial;

our inability to retain a sufficient number of patients in a clinical trial;

our inability to conduct a clinical trial in accordance with regulatory requirements or our clinical protocols;

clinical sites and investigators deviating from trial protocol, failing to conduct the trial in accordance with regulatory
requirements, withdrawing from or dropping out of a trial, or becoming ineligible to participate in a trial;

inability to identify and maintain a sufficient number of trial sites, many of which may already be engaged in other
clinical trial programs, including some that may be for the same indication;

delay or failure in adding new clinical trial sites;

failure of our CROs or third-party clinical trial managers to satisfy their contractual duties or meet expected deadlines;

• manufacturing issues, including delays or other problems with manufacturing, quality issues or timely obtaining from

third parties sufficient quantities of a product candidate for use in a clinical trial;

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difficulty in maintaining contact with patients after treatment, resulting in incomplete data;

ambiguous or negative interim or final results, or results that are inconsistent with earlier results;

unfavorable or inconclusive results of clinical trials or supportive studies in animals;

regulatory requests for additional analyses, reports, data, or studies in animals or clinical trials, or regulatory questions
regarding the interpretation of data;

feedback from the FDA, NMPA, EMA, an IRB, data safety monitoring boards, or comparable entities, or results from
earlier stage or concurrent studies in animals or clinical trials, regarding our product candidates or other drug products,
including which might require modification of a trial protocol or suspension or termination of a clinical trial;

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unacceptable risk-benefit profile or unforeseen safety issues or adverse side effects in our product candidates or other
drug products;

a decision by the FDA, NMPA, EMA, an IRB, comparable entities, or the company, or recommendation by a data safety
monitoring board or comparable regulatory entity, to suspend or terminate clinical trials at any time for safety issues or
for any other reason; and

failure to demonstrate a benefit from using a drug.

Changes in regulatory requirements and guidance may also occur at any time, including after commencement of a clinical trial
or subsequent to submitting an application for regulatory approval, and we may need to amend clinical trial protocols or other materials
submitted to applicable regulatory authorities to reflect these changes. Amendments may require us to resubmit clinical trial protocols
to IRBs or ethics committees for re-examination, which may increase the costs or time required to complete a clinical trial.

The results from our Phase 2/3 trials in CIN (Study 105 and Study 106) and our Phase 3 trial in advanced NSCLC (Study 103) may
not be sufficiently robust to support the submission or approval of marketing applications for our product candidates. The FDA,
NMPA, EMA or other regulatory authorities may require us to enroll additional subjects or conduct additional clinical trials.

It is possible that the FDA, NMPA, EMA or other regulatory authorities may not consider the results of our two Phase 2/3

trials in CIN or the Phase 3 trial for NSCLC to be sufficient for approval of our Plinabulin product candidates for each indication. In
particular, the FDA generally requires two pivotal clinical trials to approve a drug. In the area of oncology, however, the FDA has in
some instances only required one Phase 3 clinical trial for approval of a drug in cases of severe unmet medical need. The FDA
typically does not consider a single clinical trial to be adequate to serve as a pivotal trial unless, among other things, it is well-
controlled and demonstrates a clinically meaningful effect on mortality, irreversible morbidity, or prevention of a disease with
potentially serious outcome, and a confirmatory study would be practically or ethically impossible. While we have been informed by
the FDA that one Phase 2/3 trial with (i) results that are highly statistically significant, (ii) a clinically meaningful effect on survival
that is consistent among relevant subgroups and (iii) an acceptable risk-benefit profile may be sufficient for approval of Plinabulin as
an anticancer agent in advanced metastatic NSCLC, because the FDA generally requires two pivotal clinical trials, it may require that
we conduct larger or additional clinical trials of our Plinabulin product candidates prior to each NDA submission or as a requirement
for approval for each indication. It is also possible that, even if we achieve favorable results in the Phase 2/3 CIN trials or Phase 3
NSCLC trial, the FDA may require us to enroll additional subjects or conduct additional clinical trials, possibly involving a larger
sample size or a different clinical study design, particularly if the FDA does not find the results from each Phase 2/3 CIN trial or Phase
3 NSCLC trial to be sufficiently persuasive to support each NDA submission.

If the FDA, NMPA, EMA, or other regulatory authorities require additional studies, we would incur increased costs and

delays in the marketing approval process, which may require us to expend more resources than we have available. In addition, it is
possible that the FDA, NMPA, EMA, or other regulatory authorities may have divergent opinions on the elements necessary for a
successful NDA or similar marketing application, which may cause us to alter our development, regulatory or commercialization
strategies.

In October 2017, the Central Committee of the Communist Party of China and General Office of the Chinese State Council, or

the State Council, issued the Opinions on Deepening the Reform of the Evaluation and Approval System and Inspiring Innovation of
Drugs and Medical Devices.  This opinion provides, among other things, that the review and approval process should be accelerated for
drugs or medical devices that are urgently in need for clinical practice. For drugs or medical devices that are (i) for treatment of severe
and life threatening diseases that cannot be cured in an effective manner, or (ii) urgently in need to improve public health, if early and
mid-term indicators in clinical trials for these drugs or medical devices show efficacy and potential clinical value, the marketing of
these drugs and medical devices may be approved conditionally, and companies who desire to market such drugs or medical devices
shall develop risk control plans for conducting researches according to applicable requirements.  Based on our preliminary discussions
with the NMPA, we believe that Plinabulin’s target indications in CIN as well as NSCLC meet that criteria. In December 2017, the
CFDA issued an exposure draft for public comment of the Technical Guidance for Conditional Approval of Drugs with Unmet Medical
Needs, which further provides the standard of the unmet medical needs but does not provide detailed administration procedures and
requirements for conditional approval. This guidance has not come into effect thus far.  Pending positive results in our three clinical
trials, Study 103, Study 105 and Study 106, we plan to submit two NDAs for accelerated or conditional approval in China for the
treatment of NSCLC and for the reduction of CIN in 2019.  However, we may not succeed in obtaining this conditional or accelerated
approval from the NMPA, in which case, the approval pathway will be longer than we expected and we may not ultimately obtain
approval.

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Our product candidates may cause adverse events or have other properties that could delay or prevent their regulatory approval,
limit the commercial profile of an approved label, or result in significant negative consequences following any regulatory approval.

Adverse events caused by our product candidates or any future product candidates we may develop could cause us or
regulatory authorities to interrupt, delay or halt clinical trials and could result in a more limited indication, restrictive label or the delay
or denial of regulatory approval by the FDA, NMPA, EMA or other comparable regulatory authority. Undesirable adverse events
caused by Plinabulin may include, but are not limited to, nausea, vomiting, fatigue, fever, tumor pain and transient blood pressure
elevation. Results of our trials at any stage of development could reveal a high and unacceptable severity or prevalence of adverse
events. If that occurs, our trials could be suspended or terminated and the FDA, NMPA, EMA or other comparable regulatory
authorities could order us to cease further development of, or deny approval of, our product candidates for any or all targeted
indications. Plinabulin is the active ingredient in all three of our current clinical product candidates and impacts all of our current
clinical trials. As a result, any severe effect produced by Plinabulin will result in negative consequences for each of our current product
candidates. Drug-related adverse events could also affect patient recruitment or the ability of enrolled subjects to complete the trial,
could result in potential product liability claims and may harm our reputation, business, financial condition and business prospects
significantly.

Additionally, if one or more of our current or future product candidates receives regulatory approval, and we or others later

identify undesirable side effects caused by such drugs, a number of potentially significant negative consequences could result,
including:

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we may limit or suspend marketing of the drug;

regulatory authorities may withdraw approvals of the drug;

regulatory authorities may require additional warnings on the label;

we may be required to develop a REMS for the drug or, if a REMS is already in place, to incorporate additional
requirements under the REMS, or to develop a similar strategy as required by a comparable regulatory authority;

we may be required to conduct post-market studies;

we could be sued and held liable for harm caused to subjects or patients; and

our reputation may suffer.

Any of these events could prevent us from achieving or maintaining market acceptance of the particular product candidate, if

approved, and could significantly harm our business, results of operations and prospects.

Further, combination therapy, such as our clinical trials of Plinabulin in combination with docetaxel and other

chemotherapeutic agents, involves unique adverse events that could be exacerbated compared to adverse events from monotherapies.
These types of adverse events could be caused by our product candidates and could also cause us or regulatory authorities to interrupt,
delay or halt clinical trials and could result in a more limited indication or restrictive label or the delay or denial of regulatory approval
by the FDA, NMPA, EMA or other comparable regulatory authority. Results of our trials could reveal a high and unacceptable severity
or prevalence of adverse events.

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Even if we receive regulatory approval for our product candidates, we will be subject to ongoing regulatory obligations and
continued regulatory review, which may result in significant additional expense and we may be subject to penalties if we fail to
comply with regulatory requirements or experience unanticipated problems with our product candidates.

If our product candidates or any future product candidates we develop are approved, they will be subject to ongoing regulatory

requirements, including for manufacturing, labeling, packaging, storage, advertising, promotion, sampling, record-keeping, conduct of
post-marketing studies, and submission of safety, efficacy, and other post-market information, including both federal and state
requirements in the U.S. and requirements of comparable regulatory authorities in other jurisdictions.

Drug manufacturers and manufacturers’ facilities are required to comply with extensive FDA, NMPA, EMA and comparable

regulatory authority requirements, including, in the U.S., ensuring that quality control and manufacturing procedures conform to
current Good Manufacturing Practices, or cGMP, regulations. As such, our contract manufacturers will be subject to continual review
and inspections to assess compliance with cGMP and adherence to commitments including those made in any NDA, other marketing
applications, and previous responses to inspection observations. Accordingly, we and others with whom we work must continue to
expend time, money and effort in all areas of regulatory compliance, including manufacturing, production and quality control.

Any regulatory approvals that we receive for our product candidates may be subject to limitations on the approved indicated

uses for which the drug may be marketed or to the conditions of approval, or contain requirements for potentially costly post-marketing
testing or other post-marketing requirements, including Phase 4 clinical trials and surveillance to monitor the safety and efficacy of the
product candidate. The FDA may also require a REMS program as a condition of approval of our product candidates or if new safety
information emerges following approval of our product candidates, which could entail requirements for long-term patient follow-up, a
medication guide, physician communication plans or additional elements to ensure safe use, such as restricted distribution methods,
patient registries and other risk minimization tools. In addition, if the FDA, NMPA, EMA or a comparable regulatory authority
approves our product candidates, we will have to comply with requirements including, for example, submissions of safety and other
post-marketing information and reports, registration, as well as continued compliance with GCPs and cGMPs, for any clinical trials
that we conduct post-approval.

The FDA may impose consent decrees or withdraw approval if compliance with regulatory requirements and standards is not

maintained or if problems occur after a drug reaches the market. Post-approval discovery of previously unknown problems with our
product candidates, including adverse events of unanticipated severity or frequency, or with our third-party manufacturers or
manufacturing processes, or failure to comply with regulatory requirements, may result in consequences such as revisions to the
approved labeling to add new safety information; imposition of post-market studies or clinical studies to assess new safety risks; or
imposition of distribution restrictions or other restrictions under a REMS program. Other potential consequences include, among other
things:

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restrictions on the marketing or manufacturing of our drugs, withdrawal of the product from the market, or voluntary or
mandatory product recalls;

fines, untitled or warning letters, or holds on clinical trials;

refusal by the FDA to approve pending applications or supplements to approved applications filed by us or suspension or
revocation of license approvals;

product seizure or detention, or refusal to permit the import or export of our product candidates; and

injunctions or the imposition of civil or criminal penalties.

The FDA strictly regulates marketing, labeling, advertising and promotion of products that are placed on the market. Drugs
may be promoted only for the approved indications and in accordance with the provisions of the approved label. The FDA, NMPA,
EMA and other regulatory authorities actively enforce the laws and regulations prohibiting the promotion of off-label uses, and a
company that is found to have improperly promoted off-label uses may be subject to significant liability.

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The policies of the FDA, NMPA, EMA and of other regulatory authorities may change and we cannot predict the likelihood,

nature or extent of government regulation that may arise from future legislation or administrative action, either in the U.S. or abroad. If
we are slow or unable to adapt to changes in existing requirements or the adoption of new requirements or policies, or if we are not
able to maintain regulatory compliance, we may lose any regulatory approval that we may have obtained, and we may not achieve or
sustain profitability.

Risks Related to Commercialization of Our Product Candidates

If we are not able to obtain, or experience delays in obtaining, required regulatory approvals, we will not be able to commercialize
our product candidates, and our ability to generate revenue will be materially impaired.

We currently do not have any product candidates that have gained regulatory approval for sale in China, the U.S., the
European Union or any other country, and we may never have marketable drugs. Our business is substantially dependent on our ability
to complete the development of, obtain regulatory approval for and successfully commercialize product candidates in a timely manner.
We cannot commercialize product candidates without first obtaining regulatory approval to market each drug from the FDA, NMPA,
EMA and comparable regulatory authorities. Plinabulin is currently in two clinical developmental programs: one as an anti-cancer
therapy in the treatment of NSCLC and the second in CIN.  Plinabulin has been studied in preclinical models and in Phase 1/2 trials to
investigate its therapeutic potential in combination with immuno-oncology agents. These trials and future trials may not be successful,
and regulators may not agree with our conclusions regarding the studies in animals and clinical trials we have conducted to date.

Before obtaining regulatory approvals for the commercial sale of any product candidate for a target indication, we must

demonstrate in studies in animals and well-controlled clinical trials, and to the satisfaction of the FDA with respect to approval in the
U.S., that the product candidate is safe and effective for use for that target indication and that the manufacturing facilities, processes
and controls are adequate. For U.S. approval, an NDA must include extensive preclinical studies and clinical data and supporting
information to establish the product candidate’s safety and effectiveness for each target indication. The NDA must also include
significant information regarding the chemistry, manufacturing and controls for the drug. Obtaining approval of an NDA is a lengthy,
expensive and uncertain process, and approval may not be obtained. If we submit an NDA to the FDA, the FDA decides whether to
accept or reject the submission for filing and any submissions we make may not be accepted for filing and review by the FDA.

Regulatory authorities outside of the U.S., such as the EMA or regulatory authorities in emerging markets, such as in China,

also have requirements for approval of drugs for commercial sale with which we must comply prior to marketing in those areas.
Regulatory requirements can vary widely from country to country and could delay or prevent the introduction of our product
candidates. Clinical trials conducted in one country may not be accepted by regulatory authorities in other countries, and obtaining
regulatory approval in one country does not mean that regulatory approval will be obtained in any other country. Approval processes
vary among countries and can involve additional product testing and validation and additional administrative review periods. Seeking
non-U.S. regulatory approval could require additional studies in animals or clinical trials, which could be costly and time consuming.
Non-U.S. regulatory approval processes may include risks similar to those associated with obtaining FDA approval as well as risks
specific to the applicable jurisdiction. For all of these reasons, we may not obtain non-U.S. regulatory approvals on a timely basis or
for each target indication, if at all.

Specifically, in China, the NMPA categorizes domestically-manufactured innovative drug applications as Category 1 and

imported drug applications as Category 5. To date, most of local companies’ domestically-manufactured drug applications are filed in
Category 1 if the drug has not already been approved. Most multinational pharmaceutical companies’ drug registration applications are
filed in what is now Category 5 according to the Reform Plan for Registration Category of Chemical Medicine issued by CFDA in
March 2016. These two categories have distinct approval pathways. We believe the local drug registration pathway, Category 1, is a
faster and more efficient path to approval in the Chinese market than Category 5. Companies are required to obtain Clinical Trial
Application approval before conducting clinical trials in China. This registration pathway has a fast track review and approval
mechanism if the product candidate is on a national priority list. Imported drug registration pathway, Category 5, is more complex and
is evolving. China Category 5 registration applications may only be submitted after a drug has obtained an NDA approval and received
the Certificate of Pharmaceutical Product, or CPP, granted by a major drug regulatory authority, such as the FDA or EMA. A Category
1 designation by the NMPA may not be granted for any of our product candidates, may be revoked, or may not lead to faster
development or regulatory review or approval process. We believe our lead asset Plinabulin will be considered a Category 1 drug in
China according to the Reform Plan for Registration Category of Chemical Medicine issued by the CFDA in March 2016 because
Plinabulin has never been marketed in China or abroad. However, a Category 1 designation does not increase the likelihood that our
product candidates will receive regulatory approval.

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Further, in August 2015, the State Council issued a statement, Opinions on Reforming the Review and Approval Process for
Pharmaceutical Products and Medical Devices, that contained several potential policy changes that could benefit the pharmaceutical
industry:

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•

•

A plan to accelerate innovative drug approval with a special review and approval process, with a focus on areas of high
unmet medical needs, including drugs for HIV, cancer, serious infectious diseases and orphan diseases, as well as drugs
on national priority lists.

A plan to adopt a policy which would allow companies to act as the marketing authorization holder and to hire contract
manufacturing organizations to produce drug products.

A plan to improve the review and approval of clinical trials, and to allow companies to conduct clinical trials at the same
time as they are being conducted in other countries and encourage local clinical trial organizations to participate in
international multi-center clinical trials.

In November 2015, the Standing Committee of the National People’s Congress issued the Decision on Authorizing the State

Council to Conduct the Pilot Program of the System of the Holders of Drug Marketing Licenses in Certain Areas and the Relevant
Issues, which authorized the State Council to conduct the pilot program of the system of the holders of drug marketing licenses in
Beijing, Tianjin, Hebei, Shanghai, Jiangsu, Zhejiang, Fujian, Shandong, Guangdong and Sichuan, and authorized the State Council to
conduct reforms of registration category for drugs.

In November 2015, the CFDA released the Circular Concerning Several Policies on Drug Registration Review and Approval,

which further clarified the following policies potentially simplifying and accelerating the approval process of clinical trials:

•

•

A one-time umbrella approval procedure allowing approval of all phases of a new drug’s clinical trials at once, rather than
the current phase-by-phase approval procedure, will be adopted for new drugs’ clinical trial applications.

A fast track drug registration or clinical trial approval pathway will be available for the following applications: (1)
registration of innovative new drugs treating HIV, cancer, serious infectious diseases and orphan diseases; (2) registration
of pediatric drugs; (3) registration of geriatric drugs and drugs treating China-prevalent diseases in elders; (4) registration
of drugs sponsored by national science and technology grants; (5) registration of innovative drugs using advanced
technology, using innovative treatment methods, or having distinctive clinical benefits; (6) registration of foreign
innovative drugs to be manufactured locally in China; (7) concurrent applications for new drug clinical trials which are
already approved in the U.S. or European Union or concurrent drug registration applications for drugs which have applied
for marketing authorization and passed onsite inspections in the U.S. or European Union and are manufactured using the
same production line in China; and (8) clinical trial applications for drugs with urgent clinical need and patent expiry
within three years, and marketing authorization applications for drugs with urgent clinical need and patent expiry within
one year.

In December 2017, the CFDA released the Opinions on Encouraging the Prioritized Evaluation and Approval for Drug
Innovations, which further clarified the following policies potentially accelerating the approval process of certain clinical trials or drug
registrations which may benefit us:

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•

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A fast track drug registration or clinical trial approval pathway will be available for the following drug registration
applications with distinctive clinical benefits: (1) registration of innovative drugs not sold within or outside China; (2)
registration of innovative drug transferred to be manufactured in China; (3) registration of drugs using advanced
technology, using innovative treatment methods, or having distinctive treatment advantages; (4) clinical trial applications
for drugs with patent expiry within three years, and marketing authorization applications for drugs with patent expiry
within one year; (5) concurrent applications for new drug clinical trials which are already approved in the U.S. or
European Union, or concurrent drug registration applications for drugs which have applied for marketing authorization
and passed onsite inspections in the U.S. or European Union and are manufactured using the same production line in
China; (6) traditional Chinese medicines (including ethnic medicines) with clear position in prevention and treatment of
serious diseases; and (7) registration of new drugs sponsored by national key technology projects or national key
development projects, and registration for drugs with clinical trials conducted by China National Clinical Research Center
and recognized by the administration department of the China National Clinical Research Center.

A fast track drug registration approval pathway will be available for the drug registration applications with distinctive
clinical benefits for the prevention and treatment of the following diseases: HIV, phthisis, viral hepatitis, orphan diseases,
cancer, pediatric diseases, and geriatrics.

In March 2016, the CFDA released a circular, Announcement on Reform Plan for Registration Category of Chemical
Medicine, which outlined the re-classifications of chemical medicine applications. Under the new categorization, innovative drugs that
have not been approved either in or outside China and are to be manufactured in China remain Category 1, while drugs approved
outside China seeking marketing approval in China are now Category 5.

In May 2016, the General Office of the State Council issued Circular on the Pilot Program for the Drug Marketing
Authorization Holder System, or Circular 41, which signals that the Drug Marketing Authorization Holder System is finally put into
implementation. Circular 41 allows institutions of drugs research and development and research specialist staff in Beijing, Tianjin,
Hebei, Shanghai, Jiangsu, Zhejiang, Fujian, Shandong, Guangdong and Sichuan, to act as the applicant of drugs registration and to
submit applications for drug clinical trials and drug marketing. For those drugs newly registered after the effective date of Circular 41,
applicants are allowed to submit applications for becoming a drug marketing authorization holder at the same time as they submit
applications for drug clinical trials or drug marketing. In July 2016, the CFDA issued Circular on Conducting Works Regarding the
Pilot Program for the Drug Marketing Authorization Holder System, which provides further details on the application procedures
stipulated in Circular 41. In August 2017, the CFDA issued the Circular on the Matters Relating to Promotion of the Pilot Program for
the Drug Marketing Authorization Holder System. This notice is issued, among other things, to advance implementation of a system
pilot program for holders of drug marketing authorization, to delineate the rights and obligations of such holders, to enhance the quality
control system for the drug manufacturing process and to improve the responsibility system over drug manufacturing and marketing
supply chains. In October 2018, the NMPA issued the Decisions on Extending the Period of the Pilot Program from the Drug
Marketing Authorization Holder System in Several Regions (Draft), which extends the expiration date of the pilot program from
November 4, 2018 to the implementation date of the revised Drug Administration Law of the People’s Republic of China, or the Drug
Administration Law.

The NMPA may issue detailed policies regarding fast track clinical trial approval and drug registration pathway, and we

expect that the NMPA review and approval process will improve over time. However, how and when this approval process will be
changed is still subject to further policies to be issued by the NMPA and is currently uncertain. It is not clear, therefore, whether
Plinabulin will qualify for these programs and, if it does, what benefits they could ultimately offer.

The process to develop, obtain regulatory approval for and commercialize product candidates is long, complex and costly both

inside and outside the U.S. and China, and approval may not be granted. Even if our product candidates were to successfully obtain
approval from the regulatory authorities, any approval might significantly limit the approved indications for use, or require that
precautions, contraindications or warnings be included on the product labeling, or require expensive and time-consuming post-approval
clinical studies, surveillance or other measures as conditions of approval. Following any approval for commercial sale of our product
candidates, certain changes to the drug, such as changes in manufacturing processes, labeling or product claims, may be subject to
additional review and approval by the FDA, NMPA and EMA and comparable regulatory authorities. Also, regulatory approval for any
of our product candidates may be withdrawn. If we are unable to obtain regulatory approval for our product candidates in one or more
jurisdictions, or if any approval contains significant limitations or conditions, our target market will be reduced and our ability to
realize the full market potential of our product candidates will be harmed. Furthermore, we may not be able to obtain sufficient funding
or generate sufficient revenue and cash flows to continue the development of our product candidates or any future product candidates
we may develop.

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Even if any of our product candidates receives regulatory approval, they may fail to achieve the degree of market acceptance by
physicians, patients, third-party payors and others in the medical community necessary for commercial success.

If any of our product candidates or any future product candidate we develop receives regulatory approval, it may nonetheless
fail to gain sufficient market acceptance by physicians, patients, third-party payors and others in the medical community. For example,
current cancer treatments like chemotherapy and radiation therapy and current neutropenia treatments are well established in the
medical community, and doctors may continue to rely on these treatments to the exclusion of our product candidates. In addition,
physicians, patients and third-party payors may prefer other novel products to ours. If our product candidates do not achieve an
adequate level of acceptance, we may not generate significant product sales revenues and we may not become profitable. The degree of
market acceptance of our product candidates, if approved for commercial sale, will depend on a number of factors, including:

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the clinical indications for which our product candidates are approved;

physicians, hospitals, cancer treatment centers and patients considering our product candidates as a safe and effective
treatment;

the potential and perceived advantages of our product candidates over alternative treatments;

the prevalence and severity of any side effects;

product labeling or product insert requirements of the FDA, NMPA, EMA or other comparable regulatory authorities;

limitations or warnings contained in the labeling approved by the FDA, NMPA, EMA or other comparable regulatory
authorities;

the timing of market introduction of our product candidates as well as competitive drugs;

the cost of treatment, including in relation to alternative treatments and their relative benefits;

the amount of upfront costs or training required for physicians to administer our product candidates;

the availability of adequate coverage, reimbursement and pricing by third-party payors and government authorities;

the willingness of patients to pay out-of-pocket in the absence of coverage and reimbursement by third-party payors and
government authorities;

relative convenience and ease of administration, including as compared to alternative treatments and competitive
therapies; and

the effectiveness of our sales and marketing efforts.

If our product candidates are approved but fail to achieve market acceptance among physicians, patients, hospitals, cancer
treatment centers or others in the medical community, we will not be able to generate significant revenue. Even if our drugs achieve
market acceptance, we may not be able to maintain that market acceptance over time if new products or technologies are introduced
that are more favorably received than our drugs, receive more favorable reimbursement, are more cost effective or render our drugs
obsolete.

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We currently have no marketing and sales organization and have no history of marketing drugs. If we are unable to establish
marketing and sales capabilities or enter into agreements with third parties to market and sell our product candidates, we may not
be able to generate product sales revenue.

We currently have no sales, marketing or commercial product distribution capabilities and have no experience in marketing

drugs. In China, if approved for sale, we intend to either partner with one or more national pharmaceutical companies or build our own
sales force to commercialize Plinabulin for the treatment of NSCLC and CIN, through our Chinese subsidiary, Dalian Wanchunbulin
Pharmaceuticals Ltd., or Wanchun Bulin.  Plinabulin has been granted status as a 2017 National Science and Technology Major Project
in China, or the 2017 Grant. As a result of the 2017 Grant, Plinabulin has the potential to be included in the National Drug Priority
Review List in China. According to the Outline of the Thirteenth Five-Year Plan of the National Economy and Social Development of
the People’s Republic of China, the government encourages the research, development and production of new drugs, the new drugs
with approval to be marketed shall enjoy priority to be included in the National Insurance System. Pending drug approval and
successful pricing negotiations with the Chinese government, we believe that this status could help position Plinabulin for inclusion in
the National Insurance System, which would allow for faster access to patients and reimbursement.  However, even if Plinabulin is
approved for sale in China we may not be successful in transitioning to full commercialization or obtaining reimbursement under the
National Insurance System.  We have no experience negotiating pricing arrangements and may be unable to reach agreement on
pricing.  In addition, building our own sales force for marketing Plinabulin will require significant capital expenditures, management
resources and time. We will have to compete with other pharmaceutical and biotechnology companies to recruit, hire, train and retain
marketing and sales personnel.

In the U.S., Europe and other major markets outside of China, we expect to partner with one or more global pharmaceutical

companies to market Plinabulin, if approved for sale, in advanced NSCLC and CIN. However, we may not be able to establish or
maintain such collaborative arrangements, and even if we are able to do so, the global pharmaceutical companies may not have
effective marketing abilities. Any revenue we receive will depend upon the efforts of such third parties, which may not be successful.
In addition, depending on the nature of arrangements we are able to obtain with global pharmaceutical companies, we may have little
or no control over their marketing and sales efforts, and our revenue from product sales may be lower than if we had commercialized
our product candidates ourselves. We also face competition in our search for third parties to assist us with the sales and marketing
efforts of our product candidates.

We may not be able to develop in-house sales and commercial distribution capabilities or establish or maintain relationships
with a third-party global pharmaceutical company to successfully commercialize any product, and as a result, we may not be able to
generate product sales revenue.

We face substantial competition, which may result in others discovering, developing or commercializing competing drugs before or
more successfully than we do.

The development and commercialization of new drugs is highly competitive. We face competition with respect to our current
product candidates, and will face competition with respect to any product candidates that we may seek to develop or commercialize in
the future, from major pharmaceutical companies and specialty pharmaceutical and biotechnology companies worldwide. There are a
number of large pharmaceutical and biotechnology companies that currently market and sell drugs or are pursuing the development of
drugs for the treatment of cancer for which we are developing our product candidates. See “Item 4. Information on the Company—B.
Business Overview—Competition.” Some of these competitive drugs and therapies are based on scientific approaches that are the same
as or similar to our approach, and others are based on entirely different approaches. Potential competitors also include academic
institutions, government agencies and other public and private research organizations that conduct research, seek patent protection and
establish collaborative arrangements for research, development, manufacturing and commercialization. In addition, while we are
investigating an alternative approach to cancer treatment by using molecular glue technology to tag oncogene proteins with ubiquitin
ligase and destroy such proteins, there are a number of companies who are also working on using such technology to target and destroy
oncogene proteins. See “Item 4. Information on the Company—B. Business Overview—Plinabulin, Our Lead Drug Candidate—Other
programs.”

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Our commercial opportunity could be reduced or eliminated if our competitors develop and commercialize drugs that are, or

are perceived to be, safer, more effective, have fewer or less severe side effects, are more convenient or are less expensive than any
drugs that we may develop. Our competitors also may obtain approval from the FDA, NMPA, EMA or other comparable regulatory
authorities for their drugs more rapidly than we may obtain approval for ours, which could result in our competitors establishing a
strong market position before we are able to enter the market or slow our regulatory approval.

Many of the companies against which we are competing or against which we may compete in the future have significantly

greater financial resources and expertise in research and development, manufacturing, animal testing, conducting clinical trials,
obtaining regulatory approvals and marketing approved drugs than we do. Mergers and acquisitions in the pharmaceutical and
biotechnology industries may result in even more resources being concentrated among a smaller number of our competitors. Smaller
and other early-stage companies may also prove to be significant competitors, particularly through collaborative arrangements with
large and established companies. These third parties compete with us in recruiting and retaining qualified scientific and management
personnel, establishing clinical trial sites and recruiting patients for clinical trials, as well as in acquiring technologies complementary
to, or necessary for, our programs.

Our product candidates for which we intend to seek approval as drug products may face competition sooner than expected.

Drug products approved under an NDA (including those in China), such as our product candidates, if they were to be
approved, could face generic competition earlier than expected. The enactment of the Generic Drug User Fee Amendments of 2012 and
the Food and Drug Administration Safety and Innovation Act of 2012 established a user fee program that will generate hundreds of
millions of dollars in funding for the FDA’s generic drug review program. Funding from the user fee program, along with performance
goals that the FDA negotiated with the generic drug industry, could significantly decrease the timeframe for FDA review and approval
of generic drug applications.

In addition, legislative and regulatory proposals emerge from time to time in various jurisdiction to further encourage the early
and rapid approval of generic drugs. For example, in 2017 the FDA announced the Drug Competition Action Plan, which consists of a
series of proposals intended to increase completion in the prescription drug market and facilitate the entry of lower-cost generic
alternatives. Any such proposal that is enacted into law could increase competition for our product candidates in the event any of them
gains approval.

We must receive adequate reimbursement coverage for our product to successfully commercialize our product candidates or any
future product candidate we may develop.

Should we receive the approvals necessary to market our product candidates or any future product candidate we may develop,
we will still need to apply to government and other third-party payors for them to reimburse physicians and patients to administer and
use our product. Newly-approved healthcare drugs face significant uncertainty regarding both whether they will be covered and their
levels of reimbursement. Government and other healthcare payors, including Medicare, are increasingly attempting to contain
healthcare costs by limiting both coverage and reimbursement levels. Even if our product candidates or future product candidates we
may develop are approved by regulators, government or other third-party payors may decline to cover them or may offer
reimbursement rates that are insufficient to cover our cost to supply the drugs or that otherwise fail to provide the revenue we expect to
receive for the drugs. They may also set reimbursement rates for physicians who administer the drug that are insufficient to cover the
physicians’ costs or otherwise provide them with a disincentive to prescribe them. A decision by one third-party payor to provide
reimbursement does not guarantee that other third-party payors will also provide reimbursement or provide reimbursement at the same
levels. Further, once coverage and reimbursement rates are established, they may be changed or withdrawn in the future. The failure of
government and other healthcare payors to cover or provide adequate reimbursement levels for our product candidates or any future
product candidate we may develop, could reduce their market acceptance, limit our growth and cause our revenue and results of
operations to suffer. Further, delays in establishing coverage and reimbursement would delay the commercialization of our product
candidates, which would adversely affect our growth, operating results and financial position.

Prices in many countries, including China and many in Europe, are subject to local regulation. In these jurisdictions, pricing

negotiations with governmental authorities can take considerable time after the receipt of marketing approval for a product. As a result,
we might obtain regulatory approval for a drug in a particular country, but be subject to price regulations that delay or prevent our
commercial launch of the drug and negatively impact the revenue, if any, we are able to generate from the sale of the drug in that
country. The existence of direct and indirect price controls and pressures over our product candidates could materially adversely affect
our financial prospects and performance.

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Recently enacted and future legislation may increase the difficulty and cost for us to obtain regulatory approval of and
commercialize our product candidates and affect the prices we may obtain.

In China, the U.S., the European Union and some other jurisdictions, there have been a number of legislative and regulatory

changes and proposed changes regarding the healthcare system that could prevent or delay regulatory approval of our product
candidates, restrict or regulate post-approval activities and affect our ability to profitably sell any product candidates for which we
obtain regulatory approval.

In March 2010, former President Obama signed into law the Patient Protection and Affordable Care Act, and the Health Care
and Education Reconciliation Act of 2010, or the Affordable Care Act, a sweeping law intended to broaden access to health insurance,
reduce or constrain the growth of healthcare spending, enhance remedies against fraud and abuse, add new transparency requirements
for the healthcare and health insurance industries, impose new taxes and fees on the health industry and impose additional health policy
reforms.

Among the provisions of the Affordable Care Act of importance to our potential product candidates are the following:

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an annual, nondeductible fee on any entity that manufactures or imports specified branded prescription drugs

an increase in the statutory minimum rebates a manufacturer must pay under the Medicaid Drug Rebate Program;

expansion of healthcare fraud and abuse laws, including the False Claims Act and the Anti-Kickback Statute, new
government investigative powers, and enhanced penalties for noncompliance;

a Medicare Part D coverage gap discount program, in which manufacturers must agree to offer 50% point-of-sale
discounts off negotiated prices;

extension of manufacturers’ Medicaid rebate liability;

expansion of eligibility criteria for Medicaid programs;

expansion of the entities eligible for discounts under the Public Health Service Act pharmaceutical pricing program;

requirements to report financial arrangements with physicians and teaching hospitals;

a requirement to annually report drug samples that manufacturers and distributors provide to physicians; and

a Patient-Centered Outcomes Research Institute to oversee, identify priorities in, and conduct comparative clinical
effectiveness research, along with funding for such research.

In addition, other legislative changes have been proposed and adopted in the U.S. since the Affordable Care Act was enacted.
For example, the Bipartisan Budget Act of 2018, among other things, amended the Affordable Care Act, effective January 1, 2019, to
close the coverage gap in most Medicare drug plans, and also increase in 2019 the percentage that a drug manufacturer must discount
the cost of the prescription drugs from 50% under current law to 70%.

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We expect that the Affordable Care Act, as well as other healthcare reform measures that may be adopted in the future, may
result in more rigorous coverage criteria and in additional downward pressure on the price that we receive for any approved drug. The
implementation of cost containment measures or other healthcare reforms may prevent us from being able to generate revenue, attain
profitability, or commercialize our drugs. Any reduction in reimbursement from Medicare or other government programs may result in
a similar reduction in payments from private payors. Some of the provisions of the Affordable Care Act have yet to be fully
implemented, while certain provisions have been subject to judicial and Congressional challenges. In particular, since the November
2016 U.S. election, President Trump and the U.S. Congress have made numerous efforts to repeal or amend the Affordable Care Act in
whole or in part.  In May 2017, the U.S. House of Representatives voted to pass the American Health Care Act of 2017, or the AHCA,
which would repeal many provisions of the Affordable Care Act.  The Senate considered but failed to pass the AHCA or a comparable
measure, but Congress may consider further legislation to repeal or replace elements of the Affordable Care Act.  In addition, the tax
reform act, or the Tax Cuts and Jobs Act, which President Trump signed into law in December 2017, repeals the Affordable Care Act’s
individual health insurance mandate, which is considered a key component of the Affordable Care Act. Thus, the full impact of the
Affordable Care Act, or any law repealing, modifying or replacing elements of it, on our business remains unclear. Legislative and
regulatory proposals have been made to expand post-approval requirements and restrict sales and promotional activities for
pharmaceutical products. We cannot be sure whether additional legislative changes will be enacted, or whether FDA regulations,
guidance or interpretations will be changed, or what the impact of such changes on the regulatory approvals of our product candidates,
if any, may be. In addition, increased scrutiny by the U.S. Congress of the FDA’s approval process may significantly delay or prevent
regulatory approval, as well as subject us to more stringent product labeling and post-marketing testing and other requirements. In the
U.S., there also is increased public and governmental scrutiny of the cost of drugs and drug pricing strategies, including by the U.S.
Senate and federal and state prosecutors. The U.S. Congress and numerous state legislatures are considering legislation that may
impact the prices that drug manufacturers are permitted to charge for their products or require increased transparency around drug
pricing practices. In addition, in May 2018, President Trump released The Trump Administration Blueprint to Lower Drug Prices and
Reduce Out-of-Pocket Costs, or the Blueprint. Certain proposals in the Blueprint, and related drug pricing measures proposed since the
Blueprint, could cause significant operational and reimbursement changes for the pharmaceutical industry. We cannot know whether
any of these changes will be enacted and, if so, whether they would impact the prices we would be able to charge for our product
candidates, if they gain approval in the U.S.

We may be subject, directly or indirectly, to applicable U.S. federal and state anti-kickback, false claims laws, physician payment
transparency laws, fraud and abuse laws or similar healthcare and security laws and regulations, which could expose us to criminal
sanctions, civil penalties, contractual damages, reputational harm and diminished profits and future earnings.

Healthcare providers, physicians and others will play a primary role in the recommendation and prescription of any products

for which we obtain regulatory approval. If we obtain FDA approval for any of our product candidates and begin commercializing
those drugs in the U.S., our operations may be subject to various federal and state fraud and abuse laws, including, without limitation,
the federal Anti-Kickback Statute, the federal False Claims Act, and physician payment sunshine and other disclosure laws and
regulations. These laws may impact, among other things, our potential sales, marketing, patient assistance and education programs. In
addition, we may be subject to data privacy and security regulation by both the federal government and the states in which we conduct
our business. The laws that may affect our ability to operate include:

•

•

the federal Anti-Kickback Statute, which prohibits, among other things, knowingly and willfully soliciting, receiving,
offering or paying any remuneration (including any kickback, bribe, or rebate), directly or indirectly, overtly or covertly,
in cash or in kind, to induce, or in return for, either the referral of an individual, or the purchase, lease, order or
recommendation of any good, facility, item or service for which payment may be made, in whole or in part, under a
federal healthcare program, such as the Medicare and Medicaid programs;

federal civil and criminal false claims laws and civil monetary penalty laws, including the False Claims Act, which may
be pursued through civil whistleblower or qui tam actions, impose criminal and civil penalties against individuals or
entities for knowingly presenting, or causing to be presented, to the federal government, false or fraudulent claims for
payment or approval from Medicare, Medicaid or other third-party payors or making a false statement to avoid, decrease
or conceal an obligation to pay money to the federal government;

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•

•

•

•

federal criminal statutes created through the Health Insurance Portability and Accountability Act of 1996, or HIPAA,
which prohibit knowingly and willfully executing, or attempting to execute, a scheme to defraud any healthcare benefit
program or obtain, by means of false or fraudulent pretenses, representations, or promises, any of the money or property
owned by, or under the custody or control of, any healthcare benefit program, regardless of the payor (e.g., public or
private) and knowingly and willfully falsifying, concealing or covering up by any trick or device a material fact or
making any materially false statements in connection with the delivery of, or payment for, healthcare benefits, items or
services relating to healthcare matters;

HIPAA, as amended by the Health Information Technology for Economic and Clinical Health Act of 2009 and their
respective implementing regulations, which impose requirements on certain covered healthcare providers, health plans,
and healthcare clearinghouses as well as their respective business associates that perform services for them that involve
the use, or disclosure of, individually identifiable health information, relating to the privacy, security and transmission of
individually identifiable health information;

federal transparency requirements, including the Affordable Care Act provision commonly referred to as the Physician
Payments Sunshine Act, which requires manufacturers of drugs, biologics, devices and medical supplies for which
payment is available under Medicare, Medicaid or the Children’s Health Insurance Program to report annually to the U.S.
Department of Health and Human Services information related to payments and other transfers of value made to
physicians and teaching hospitals, as well as ownership and investment interests held by physicians and their immediate
family members; and

federal consumer protection and unfair competition laws, which broadly regulate marketplace activities and activities that
potentially harm consumers.

Additionally, we may be subject to state and non-U.S. equivalents of each of the healthcare laws described above, among

others, some of which may be broader or different in scope and may apply regardless of the payor. Many U.S. states have adopted laws
similar to the federal Anti-Kickback Statute, some of which apply to the referral of patients for healthcare services reimbursed by any
source, not just governmental payors, including private insurers. In addition, some states have passed laws that require pharmaceutical
companies to comply with the April 2003 Office of Inspector General Compliance Program Guidance for Pharmaceutical
Manufacturers and/or the Pharmaceutical Research and Manufacturers of America’s Code on Interactions with Healthcare
Professionals. Several states also impose other marketing restrictions or require pharmaceutical companies to make marketing or price
disclosures to the state, and some states have passed their own data privacy and security measures. There are ambiguities as to what is
required to comply with these state requirements and if we fail to comply with an applicable state law requirement we could be subject
to penalties or other consequences.

Because of the breadth of these laws and the narrowness of the statutory exceptions and safe harbors available, it is possible

that some of our future business activities could be subject to challenge under one or more of such laws. In addition, recent health care
reform legislation has strengthened these laws. For example, the Affordable Care Act, among other things, amends the intent
requirement of the federal Anti-Kickback Statute and criminal healthcare fraud statutes. As a result of such amendment, a person or
entity no longer needs to have actual knowledge of these statutes or specific intent to violate them in order to have committed a
violation. Moreover, the Affordable Care Act provides that a claim including items or services resulting from a violation of the federal
Anti-Kickback Statute constitutes a false or fraudulent claim for purposes of the False Claims Act.

Violations of fraud and abuse laws may be punishable by criminal or civil sanctions, including penalties, fines or exclusion or

suspension from federal and state healthcare programs such as Medicare and Medicaid and debarment from contracting with the U.S.
government. In addition, private individuals have the ability to bring actions on behalf of the U.S. government under the federal False
Claims Act as well as under the false claims laws of several states.

Efforts to ensure that our business arrangements with third parties will comply with applicable healthcare laws and regulations

will involve substantial costs. It is possible that governmental authorities will conclude that our business practices do not comply with
current or future statutes, regulations or case law involving applicable fraud and abuse or other healthcare laws and regulations. If any
such actions are instituted against us, and we are not successful in defending ourselves or asserting our rights, those actions could have
a significant impact on our business, including the imposition of civil, criminal and administrative penalties, damages, disgorgement,
monetary fines, possible exclusion from participation in Medicare, Medicaid and other federal healthcare programs, contractual
damages, reputational harm, diminished profits and future earnings, and curtailment of our operations, any of which could adversely
affect our ability to operate our business and our results of operations. In addition, the approval and commercialization of any of our
product candidates outside the U.S. will also likely subject us to non-U.S. equivalents of the healthcare laws mentioned above, among
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If any of the physicians or other providers or entities with whom we expect to do business with are found to be not in
compliance with applicable laws, they may be subject to criminal, civil or administrative sanctions, including exclusions from
government funded healthcare programs. This could adversely affect our ability to operate our business and our results of operations.

Risks Related to Our Intellectual Property

A portion of our intellectual property portfolio currently comprises pending patent applications that have not yet been issued as
granted patents and if our pending patent applications fail to issue our business will be adversely affected. If we are unable to
obtain and maintain patent protection for our technology and drugs, our competitors could develop and commercialize technology
and drugs similar or identical to ours, and our ability to successfully commercialize our technology and drugs may be adversely
affected.

Our success depends in large part on our ability to obtain and maintain patent protection in the U.S., China and other countries

with respect to our proprietary technology and product candidates. As of March 31, 2019, we owned sixteen issued U.S. patents
directed to Plinabulin and Plinabulin analogs, their synthesis and their use in the treatment of various disorders including lung cancer.
In addition, we had counterpart granted patents in 35 foreign jurisdictions, including Japan, South Korea, China, Europe and other
countries. The U.S. patents are scheduled to expire between 2021 and 2036, excluding any patent term restorations. We had six
families of pending patent applications directed to use of Plinabulin in neutropenia reduction, use of Plinabulin for treating RAS
mutant tumors and brain tumors, polymorphic forms of Plinabulin, and the use of Plinabulin in combination with checkpoint inhibitors.
If these applications were to issue, they would nominally expire between 2033 and 2038. We had five pending Patent Cooperation
Treaty, or PCT, patent applications directed to reduction of CIN and immunotherapy related adverse events, the therapeutic use of
tubulin binding compounds, dosage regimens, the treatment of thrombocytopenia, and use in combination with G-CSF therapy. If
applications claiming priority to these PCT applications were to issue, they would nominally expire in 2038 or 2039.

With respect to issued patents in certain jurisdictions, for example, the U.S. and Europe, we may be entitled to obtain a patent

term extension to extend the patent expiration date provided we meet the applicable requirements for obtaining such patent term
extensions. We have sought to protect our proprietary position by filing patent applications in the U.S. and through the PCT related to
novel technologies and product candidates that we consider to be important to our business. This process is time-consuming, and we
may not be able to file and prosecute all necessary or desirable patent applications in a timely manner. It is also possible that we will
fail to identify patentable aspects of our research and development output before it is too late to obtain patent protection.

Our pending patent applications may not result in issued patents in the U.S. or non-U.S. jurisdictions in which such
applications are pending. Even if patents do issue on any of these applications, a third party nevertheless may challenge their validity.
Moreover, we may not obtain sufficient claim scope in those patents to prevent a third party from competing successfully with our
product candidates. Even if our patent applications issue as patents, they may not issue in a form that will provide us with any
meaningful protection, prevent competitors from competing with us or otherwise provide us with any competitive advantage. Our
competitors may be able to circumvent our patents by developing similar or alternative technologies or product candidates in a non-
infringing manner. The issuance of a patent is not conclusive as to its scope, validity or enforceability, and our patents may be
challenged in the courts or patent offices in the U.S. and abroad. Such challenges may result in patent claims being narrowed,
invalidated or held unenforceable, which could limit our ability to stop or prevent us from stopping others from using or
commercializing similar or identical technology and product candidates, or limit the duration of the patent protection of our technology
and product candidates. Given the amount of time required for the development, testing and regulatory review of new product
candidates, patents protecting such candidates might expire before or shortly after such candidates are commercialized. As a result, our
patent portfolio may not provide us with sufficient rights to exclude others from commercializing product candidates similar or
identical to ours.

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We may not be able to protect our intellectual property rights throughout the world.

Filing, prosecuting, maintaining and defending patents on product candidates in all countries throughout the world could be
prohibitively expensive for us, and our intellectual property rights in some non-U.S. countries can have a different scope and strength
than do those in the U.S.  In addition, the laws of certain non-U.S. countries do not protect intellectual property rights to the same
extent as U.S. federal and state laws do. Consequently, we may not be able to prevent third parties from practicing our inventions in all
countries outside the U.S., or from selling or importing drugs made using our inventions in and into the U.S. or non-U.S. jurisdictions.
Competitors may use our technologies in jurisdictions where we have not obtained patent protection to develop their own drugs and
further, may export otherwise infringing drugs to non-U.S. jurisdictions where we have patent protection, but where enforcement rights
are not as strong as those in the U.S.  These drugs may compete with our product candidates and our patent rights or other intellectual
property rights may not be effective or adequate to prevent them from competing.

Many companies have encountered significant problems in protecting and defending intellectual property rights in certain

jurisdictions. The legal systems of some countries do not favor the enforcement of patents, trade secrets and other intellectual property,
which could make it difficult in those jurisdictions for us to stop the infringement or misappropriation of our patents or other
intellectual property rights, or the marketing of competing drugs in violation of our proprietary rights. Proceedings to enforce our
patent and other intellectual property rights in non-U.S. jurisdictions could result in substantial costs and divert our efforts and attention
from other aspects of our business.

Furthermore, such proceedings could put our patents at risk of being invalidated, held unenforceable, or interpreted narrowly,

could put our patent applications at risk of not issuing, and could provoke third parties to assert claims of infringement or
misappropriation against us. We may not prevail in any lawsuits that we initiate and the damages or other remedies awarded, if any,
may not be commercially meaningful. Accordingly, our efforts to enforce our intellectual property rights around the world may be
inadequate to obtain a significant commercial advantage from the intellectual property that we develop.

We may become involved in lawsuits to protect or enforce our intellectual property, which could be expensive, time consuming and
unsuccessful. Our patent rights relating to our product candidates could be found invalid or unenforceable if challenged in court or
before the U.S. Patent and Trademark Office, or USPTO, or comparable non-U.S. authority.

Competitors may infringe our patent rights or misappropriate or otherwise violate our intellectual property rights. To counter

infringement or unauthorized use, litigation may be necessary in the future to enforce or defend our intellectual property rights, to
protect our trade secrets or to determine the validity and scope of our own intellectual property rights or the proprietary rights of others.
This can be expensive and time consuming. Any claims that we assert against perceived infringers could also provoke these parties to
assert counterclaims against us alleging that we infringe their intellectual property rights. Many of our current and potential
competitors have the ability to dedicate substantially greater resources to enforce and/or defend their intellectual property rights than
we can. Accordingly, despite our efforts, we may not be able to prevent third parties from infringing upon or misappropriating our
intellectual property. Litigation could result in substantial costs and diversion of management resources, which could harm our business
and financial results. In addition, in an infringement proceeding, a court may decide that patent rights or other intellectual property
rights owned by us are invalid or unenforceable, or may refuse to stop the other party from using the technology at issue on the grounds
that our patent rights or other intellectual property rights do not cover the technology in question. An adverse result in any litigation
proceeding could put our patent, as well as any patents that may issue in the future from our pending patent applications, at risk of
being invalidated, held unenforceable or interpreted narrowly. Furthermore, because of the substantial amount of discovery required in
connection with intellectual property litigation, some of our confidential information could be compromised by disclosure during this
type of litigation.

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If we initiate legal proceedings against a third party to enforce our patents, or any patents that may issue in the future from our
patent applications, that relate to one of our product candidates, the defendant could counterclaim that such patent rights are invalid or
unenforceable. In patent litigation in the U.S., defendant counterclaims alleging invalidity or unenforceability are commonplace, and
there are numerous grounds upon which a third party can assert invalidity or unenforceability of a patent. Third parties may also raise
similar claims before administrative bodies in the U.S. or abroad, even outside the context of litigation. Such mechanisms include ex
parte re-examination, inter partes review, post-grant review, derivation and equivalent proceedings in non-U.S. jurisdictions, such as
opposition proceedings. Such proceedings could result in revocation or amendment to our patents in such a way that they no longer
cover and protect our product candidates. With respect to the validity of our patents, for example, there may be invalidating prior art of
which we, our patent counsel, and the patent examiner were unaware during prosecution. If a defendant were to prevail on a legal
assertion of invalidity and/or unenforceability, we would lose at least part, and perhaps all, of the patent protection on our product
candidates. Such a loss of patent protection could have a material adverse impact on our business.

We may not be able to prevent misappropriation of our trade secrets or confidential information, particularly in countries

where the laws may not protect those rights as fully as in the U.S.  Furthermore, because of the substantial amount of discovery
required in connection with intellectual property litigation, some of our confidential information could be compromised by disclosure
during this type of litigation.

We may be subject to claims challenging the inventorship of our patents and other intellectual property.

Although we are not currently experiencing any claims challenging the inventorship of our patents or ownership of our

intellectual property, we may in the future be subject to claims that former employees, collaborators or other third parties have an
interest in our patents or other intellectual property as inventors or co-inventors. For example, we may have inventorship disputes arise
from conflicting obligations of consultants or others who are involved in developing our product candidates. Litigation may be
necessary to defend against these and other claims challenging inventorship. If we fail in defending any such claims, in addition to
paying monetary damages, we may lose rights such as exclusive ownership of, or right to use, our patent rights or other intellectual
property. Such an outcome could have a material adverse effect on our business. Even if we are successful in defending against such
claims, litigation could result in substantial costs and be a distraction to management and other employees.

If we are sued for infringing intellectual property rights of third parties, such litigation could be costly and time consuming and
could prevent or delay us from developing or commercializing our product candidates.

Our commercial success depends in part on our avoiding infringement of the patents and other intellectual property rights of
third parties. There is a substantial amount of litigation involving patent and other intellectual property rights in the biotechnology and
pharmaceutical industries. Numerous issued patents and pending patent applications, which are owned by third parties, exist in the
fields in which we are developing product candidates. As the biotechnology and pharmaceutical industries expand and more patents are
issued, the risk increases that our product candidates may give rise to claims of infringement of the patent rights of others.

Third parties may assert that we are employing their proprietary technology without authorization. There may be third-party
patents of which we are currently unaware with claims to materials, formulations, methods of manufacture or methods for treatment
related to the use or manufacture of our product candidates. Because patent applications can take many years to issue, there may be
currently pending patent applications which may later result in issued patents that our product candidates may infringe. In addition,
third parties may obtain patents in the future and claim that use of our technologies infringes upon these patents. If any third-party
patents were held by a court of competent jurisdiction to cover the manufacturing process of any of our product candidates, any
molecules formed during the manufacturing process or any final drug itself, the holders of any such patents may be able to prevent us
from commercializing such product candidate unless we obtain a license under the applicable patents, or until such patents expire or
they are finally determined to be held invalid or unenforceable. Similarly, if any third-party patent were held by a court of competent
jurisdiction to cover aspects of our formulations, processes for manufacture or methods of use, including combination therapy or
patient selection methods, the holders of any such patent may be able to block our ability to develop and commercialize the applicable
product candidate unless we obtain a license, limit our uses, or until such patent expires or is finally determined to be held invalid or
unenforceable. In any of these cases, such a license may not be available on commercially reasonable terms or at all.

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Third parties who bring successful claims against us for infringement of their intellectual property rights may obtain
injunctive or other equitable relief, which could prevent us from developing and commercializing one or more of our product
candidates. Defense of these claims, regardless of their merit, would involve substantial litigation expense and would be a substantial
diversion of employee resources from our business. In the event of a successful claim of infringement or misappropriation against us,
we may have to pay substantial damages, including treble damages and attorneys’ fees in the case of willful infringement, obtain one or
more licenses from third parties, pay royalties or redesign our infringing product candidates, which may be impossible or require
substantial time and monetary expenditure. In the event of an adverse result in any such litigation, or even in the absence of litigation,
we may need to obtain licenses from third parties to advance our research or allow commercialization of our product candidates. Any
required license may not be available at all or may not be available on commercially reasonable terms. In the event that we are unable
to obtain such a license, we would be unable to further develop and commercialize one or more of our product candidates, which could
harm our business significantly. We may also elect to enter into license agreements in order to settle patent infringement claims or to
resolve disputes prior to litigation, and any such license agreements may require us to pay royalties and other fees that could
significantly harm our business.

Even if resolved in our favor, litigation or other legal proceedings relating to intellectual property claims may cause us to incur

significant expenses, and could distract our technical personnel, management personnel, or both from their normal responsibilities. In
addition, there could be public announcements of the results of hearings, motions or other interim proceedings or developments and if
securities analysts or investors perceive these results to be negative, it could have a substantial adverse effect on the market price of our
ordinary shares. Such litigation or proceedings could substantially increase our operating losses and reduce the resources available for
development activities or any future sales, marketing or distribution activities. We may not have sufficient financial or other resources
to adequately conduct such litigation or proceedings. Some of our competitors may be able to sustain the costs of such litigation or
proceedings more effectively than we can because of their greater financial resources. Uncertainties resulting from the initiation and
continuation of patent litigation or other proceedings could have a material adverse effect on our ability to compete in the marketplace.

Obtaining and maintaining our patent protection depends on compliance with various procedural, document submission, fee
payment, and other requirements imposed by governmental patent agencies, and our patent protection could be reduced or
eliminated for noncompliance with these requirements.

Periodic maintenance fees on any issued patent are due to be paid to the USPTO and other patent agencies in several stages
over the lifetime of the patent. The USPTO and various non-U.S. governmental patent agencies require compliance with a number of
procedural, documentary, fee payment, and other similar provisions during the patent application process. Although an inadvertent
lapse can in many cases be cured by payment of a late fee or by other means in accordance with the applicable rules, there are
situations in which noncompliance can result in abandonment or lapse of the patent or patent application, resulting in partial or
complete loss of patent rights in the relevant jurisdiction. Noncompliance events that could result in abandonment or lapse of a patent
or patent application include failure to respond to official actions within prescribed time limits, non-payment of fees, and failure to
properly legalize and submit formal documents. In any such event, our competitors might be able to enter the market, which would
have a material adverse effect on our business.

The terms of our patents may not be sufficient to effectively protect our product candidates and business.

In most countries in which we file, including the U.S., the term of an issued patent is generally 20 years from the earliest

claimed filing date of a non-provisional patent application in the applicable country. Although various extensions may be available, the
life of a patent and the protection it affords is limited. Even if patents covering our product candidates are obtained, we may be open to
competition from other companies as well as generic medications once the patent life has expired for a drug. The granted U.S. patents
directed to the Plinabulin composition of matter, its synthesis and use are scheduled to expire between 2021 and 2036, excluding any
potential patent term restoration. Upon the expiration of our issued patents or patents that may issue from our pending patent
applications, we will not be able to assert such patent rights against potential competitors and our business and results of operations
may be adversely affected.

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If we do not obtain additional protection under the Hatch-Waxman Amendments and similar legislation in other countries
extending the terms of our patents, if issued, relating to our product candidates, our business may be materially harmed.

Depending upon the timing, duration and specifics of FDA regulatory approval for our product candidates, one or more of our

U.S. patents, if issued, may be eligible for limited patent term restoration under the Drug Price Competition and Patent Term
Restoration Act of 1984, referred to as the Hatch-Waxman Amendments. The Hatch-Waxman Amendments permit a patent term
extension of up to five years as compensation for patent term lost during drug development and the FDA regulatory review process.
Patent term extensions, however, cannot extend the remaining term of a patent beyond a total of 14 years from the date of drug
approval by the FDA, and only one patent can be extended for a particular drug.

The application for patent term extension is subject to approval by the USPTO, in conjunction with the FDA. We may not be

granted an extension because of, for example, failing to apply within applicable deadlines, failing to apply prior to expiration of
relevant patents or otherwise failing to satisfy applicable requirements. Moreover, the applicable time period or the scope of patent
protection afforded could be less than we request. If we are unable to obtain a patent term extension for a given patent or the term of
any such extension is less than we request, the period during which we will have the right to exclusively market our drug will be
shortened and our competitors may obtain earlier approval of competing drugs, and our ability to generate revenues could be materially
adversely affected.

Changes in patent law could diminish the value of patents in general, thereby impairing our ability to protect our product
candidates.

Our success is heavily dependent on intellectual property, particularly patent rights. Obtaining and enforcing patents involves

both technological and legal complexity, and is therefore costly, time-consuming and inherently uncertain. In addition, the U.S. has
recently enacted and is currently implementing wide-ranging patent reform legislation. Recent U.S. Supreme Court rulings have
narrowed the scope of patent protection available in certain circumstances and weakened the rights of patent owners in certain
situations. In addition to increasing uncertainty with regard to our ability to obtain patents in the future, this combination of events has
created uncertainty with respect to the value of patents once obtained, if any. Depending on decisions by the U.S. Congress, the federal
courts and the USPTO, the laws and regulations governing patents could change in unpredictable ways that would weaken our ability
to obtain new patents or to enforce our existing patents and patents that we might obtain in the future. For example, in a recent case,
Assoc. for Molecular Pathology v. Myriad Genetics, Inc., the U.S. Supreme Court held that certain claims to naturally-occurring
substances are not patentable. Although we do not believe that our currently-issued patents directed to our product candidates and any
patents that may issue from our pending patent applications if issued in their currently pending forms will be found invalid based on
this decision, future decisions by the courts, the U.S. Congress or the USPTO may impact the value of our patent rights. There could be
similar changes in the laws of foreign jurisdictions that may impact the value of our patent rights or our other intellectual property
rights.

If we are unable to protect the confidentiality of our trade secrets, our business and competitive position would be harmed.

In addition to our issued patent and pending patent applications, we rely on trade secrets, including unpatented know-how,

technology and other proprietary information, to maintain our competitive position and to protect our product candidates. We seek to
protect these trade secrets, in part, by entering into non-disclosure and confidentiality agreements with parties that have access to them,
such as our employees, corporate collaborators, outside scientific collaborators, sponsored researchers, contract manufacturers,
consultants, advisors and other third parties. We also enter into confidentiality and invention or patent assignment agreements with our
employees and consultants. However, any of these parties may breach such agreements and disclose our proprietary information, and
we may not be able to obtain adequate remedies for such breaches. Enforcing a claim that a party illegally disclosed or misappropriated
a trade secret can be difficult, expensive and time-consuming, and the outcome is unpredictable. If any of our trade secrets were to be
lawfully obtained or independently developed by a competitor, we would have no right to prevent them from using that technology or
information to compete with us and our competitive position would be harmed.

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We may be subject to claims that our employees have wrongfully used or disclosed alleged trade secrets of their former employers.

Although we try to ensure that our employees do not use the proprietary information or know-how of others in their work for

us, we may be subject to claims that we or these employees have used or disclosed intellectual property, including trade secrets or other
proprietary information, of any such employee’s former employer. We are not aware of any threatened or pending claims related to
these matters or concerning the agreements with our senior management, but in the future litigation may be necessary to defend against
such claims. If we fail in defending any such claims, in addition to paying monetary damages, we may lose valuable intellectual
property rights or personnel. Even if we are successful in defending against such claims, litigation could result in substantial costs and
be a distraction to management.

In addition, while we typically require our employees, consultants and contractors who may be involved in the development of

intellectual property to execute agreements assigning such intellectual property to us, we may be unsuccessful in executing such an
agreement with each party who in fact develops intellectual property that we regard as our own, which may result in claims by or
against us related to the ownership of such intellectual property. If we fail in prosecuting or defending any such claims, in addition to
paying monetary damages, we may lose valuable intellectual property rights. Even if we are successful in prosecuting or defending
against such claims, litigation could result in substantial costs and be a distraction to our management and scientific personnel.

We may not be successful in obtaining or maintaining necessary rights for our development pipeline through acquisitions and in-
licenses.

Because our programs may subsequently include additional product candidates that require the use of proprietary rights held

by third parties, the growth of our business may depend in part on our ability to acquire and maintain licenses or other rights to use
these proprietary rights. We may be unable to acquire or in-license any compositions, methods of use, or other third-party intellectual
property rights from third parties that we identify. The licensing and acquisition of third-party intellectual property rights is a
competitive area, and more established companies may pursue strategies to license or acquire third-party intellectual property rights
that we may consider attractive. These established companies may have a competitive advantage over us due to their size, cash
resources and greater clinical development and commercialization capabilities.

In addition, companies that perceive us to be a competitor may be unwilling to assign or license rights to us. We also may be
unable to license or acquire third-party intellectual property rights on terms that would allow us to make an appropriate return on our
investment. If we are unable to successfully obtain rights to required third-party intellectual property rights, our business, financial
condition and prospects for growth could suffer.

Risks Related to Our Reliance on Third Parties

We rely on third parties to conduct our studies in animals and clinical trials. If these third parties do not successfully carry out their
contractual duties or meet expected deadlines, we may not be able to obtain regulatory approval for or commercialize our product
candidates and our business could be substantially harmed.

We have relied upon and plan to continue to rely upon third-party CROs to monitor and manage data for our ongoing
preclinical studies and clinical programs. We rely on these parties for execution of our studies in animals and clinical trials, and control
only certain aspects of their activities. Nevertheless, we are responsible for ensuring that each of our studies is conducted in accordance
with the applicable protocol, legal, and regulatory requirements and scientific standards, and our reliance on the CROs does not relieve
us of our regulatory responsibilities. We and third parties, such as our CROs, are subject to numerous environmental, health and safety
laws and regulations, including those governing laboratory procedures and the handling, use, storage, treatment and disposal of
hazardous materials and waste. In the event of contamination or injury resulting from our use of hazardous materials, we could be held
liable for any resulting damages, and any liability could exceed our resources. We could also be subject to civil or criminal fines and
penalties, and significant associated costs.

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We, our clinical investigators and our CROs are required to comply with GCPs, which are regulations and guidelines enforced

by the FDA, NMPA, EMA and other comparable regulatory authorities for all of our drugs in clinical development. Regulatory
authorities enforce these GCPs through periodic inspections of trial sponsors, principal investigators and trial sites. If we, our clinical
investigators or any of our CROs fail to comply with applicable GCPs, the clinical data generated in our clinical trials may be deemed
unreliable and the FDA, NMPA, EMA or comparable regulatory authorities may require us to perform additional clinical trials before
approving our marketing applications. Upon inspection by a given regulatory authority, such regulatory authority may determine that
one or more of our clinical trials do not comply with GCP regulations. In addition, our clinical trials must be conducted with drugs
produced under cGMP regulations. Our failure to comply with these regulations may require us to repeat clinical trials, which would
delay the regulatory approval process.

Our CROs have the right to terminate their agreements with us in certain circumstances. If any of our relationships with these

third-party CROs terminate, we may not be able to enter into arrangements with alternative CROs or to do so on commercially
reasonable terms. In addition, our CROs are not our employees, and we are limited to remedies available to us under our agreements
with such CROs, if they fail to devote sufficient time and resources to our ongoing clinical and preclinical studies. If CROs or clinical
investigators do not successfully carry out their contractual duties or obligations or meet expected deadlines, if they need to be replaced
or if the quality or accuracy of the clinical data they obtain is compromised due to the failure to adhere to our clinical protocols,
regulatory requirements or for other reasons, our clinical trials may be extended, delayed or terminated and we may not be able to
obtain regulatory approval for or successfully commercialize our product candidates. As a result, our results of operations and the
commercial prospects for our product candidates would be harmed, our costs could increase and our ability to generate revenues could
be delayed.

Switching or adding additional CROs involves additional cost and requires management time and focus. In addition, there is a

natural transition period when a new CRO commences work. As a result, delays occur, which can materially influence our ability to
meet our desired clinical development timelines. Though we carefully manage our relationships with our CROs, we may nevertheless
encounter similar challenges or delays in the future and these delays or challenges may have a material adverse effect on our business,
financial condition and prospects.

We expect to rely on third parties to manufacture our product candidate supplies, and we intend to rely on third parties for the
manufacturing process of our product candidates, if approved. Our business could be harmed if those third parties fail to provide us
with sufficient quantities of product or fail to do so at acceptable quality levels or prices.

The manufacture of drug products is complex and requires significant expertise and capital investment, including the
development of advanced manufacturing techniques and process controls. We intend to rely on outside vendors to manufacture supplies
and process our product candidates. We have not yet caused our product candidates to be manufactured or processed on a commercial
scale and may not be able to do so for any of our product candidates.

Our anticipated reliance on third-party manufacturers exposes us to the following risks:

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•

•

we may be unable to identify manufacturers on acceptable terms or at all because the number of potential manufacturers
is limited and the FDA, NMPA, EMA or other comparable regulatory authorities must evaluate any manufacturers. This
assessment requires new testing and cGMP-compliance inspections by the FDA, NMPA, EMA or other comparable
regulatory authorities. In addition, a new manufacturer would have to be educated in, or develop substantially equivalent
processes for, production of our drugs;

our manufacturers may have little or no experience with manufacturing our product candidates, and therefore may require
a significant amount of support from us to implement and maintain the infrastructure and processes required to
manufacture our product candidates;

our third-party manufacturers might be unable to timely manufacture our product candidates or produce the quantity and
quality required to meet our clinical and commercial needs, if any;

our contract manufacturers may not be able to execute our manufacturing procedures and other logistical support
requirements appropriately;

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•

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our contract manufacturers may not perform as agreed, may not devote sufficient resources to our product candidates, or
may not remain in the contract manufacturing business for the time required to supply our clinical trials or to successfully
produce, store and distribute our drugs;

any potential third-party manufacturer may be unable to initially pass federal, state or international regulatory inspections
in a timely or cost effective manner;

• manufacturers are subject to ongoing periodic unannounced inspection by the FDA and corresponding state agencies in
the U.S. and other regulatory authorities to ensure strict compliance with cGMPs and other government regulations and
corresponding non-U.S. requirements and our third-party manufacturers may fail to comply with these regulations and
requirements;

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•

•

•

•

we may not own, or may have to share, the intellectual property rights to any improvements made by our third-party
manufacturers in the manufacturing process for our product candidates;

our third-party manufacturers could breach or terminate their agreements with us;

our contract manufacturers and critical reagent suppliers may be subject to inclement weather, as well as natural or man-
made disasters;

our contract manufacturers may have unacceptable or inconsistent product quality success rates and yields; and

we may not be able to obtain raw materials and components used in the manufacturing process that are suitable or
acceptable for use, particularly where we have no other source or supplier for the raw materials or components.

Each of these risks could delay or prevent the completion of our clinical trials or the approval of any of our product candidates

by the FDA, NMPA, EMA or other comparable regulatory authorities, result in higher costs or adversely impact commercialization of
our product candidates.

In addition to relying on third-party manufacturers and vendors to manufacture our product candidates, we will rely on third
parties to perform certain specification tests on our product candidates prior to delivery to patients. If these tests are not appropriately
done and test data are not reliable, patients could be put at risk of serious harm and the FDA, NMPA, EMA or other comparable
regulatory authorities could place significant restrictions on our company until deficiencies are remedied.

Currently, our drug raw materials for our manufacturing activities are supplied by multiple source suppliers. We have

agreements for the supply of drug materials with manufacturers or suppliers that we believe have sufficient capacity to meet our
demands. In addition, we believe that adequate alternative sources for such supplies exist. However, if supplies are interrupted, it
would materially harm our business.

We rely on BASF SE as the sole supplier of the stabilizing agent, Solutol, used in Plinabulin’s current formulation. If BASF
SE becomes unable or unwilling to supply Solutol, we will not be able to replace BASF SE and we would be required to reformulate
Plinabulin. Reformulation of our product candidates will cause delays for a number of reasons including, but not limited to, the fact
that the supplier of any replacement agent would have to be evaluated by or qualified with the relevant regulatory authorities, which is
an expensive and time-consuming process during which we may experience a supply interruption. Such reformulation would result in
significant delays and is expected to reduce the overall activity of one or more of our product candidates. We may also be unsuccessful
in negotiating favorable terms with such a supplier. As a result, our financial position and results of operations may be adversely
affected.

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Manufacturers of drug products often encounter difficulties in production, particularly in scaling up or out, validating the

production process, and assuring high reliability of the manufacturing process (including the absence of contamination). These
problems include logistics and shipping, difficulties with production costs and yields, quality control, including stability of the product,
product testing, operator error, availability of qualified personnel, as well as compliance with strictly enforced federal, state and non-
U.S. regulations. Furthermore, if contaminants are discovered in our supply of our product candidates or in the manufacturing facilities,
such manufacturing facilities may need to be closed for an extended period of time to investigate and remedy the contamination. It is
possible that stability failures or other issues relating to the manufacture of our product candidates may occur in the future.
Additionally, our manufacturers may experience manufacturing difficulties due to resource constraints or as a result of labor disputes or
unstable political environments. If our manufacturers were to encounter any of these difficulties, or otherwise fail to comply with their
contractual obligations, our ability to provide our product candidate to patients in clinical trials would be jeopardized. For example,
BASF SE may not be able to produce sufficient quantities of stabilizing agent in a timely manner. Any delay or interruption in the
supply of clinical trial supplies could delay the completion of clinical trials, increase the costs associated with maintaining clinical trial
programs and, depending upon the period of delay, require us to begin new clinical trials at additional expense or terminate clinical
trials completely.

We may form or seek collaborations, strategic alliances or acquisitions or enter into licensing arrangements in the future, and we
may not realize the benefits of these arrangements.

We may form or seek strategic alliances, create joint ventures or collaborations, acquire complimentary products, intellectual

property rights, technologies or businesses or enter into additional licensing arrangements with third parties that we believe will
complement or augment our development and commercialization efforts with respect to our product candidates and any future product
candidates that we may develop. Any of these relationships may require us to incur non-recurring and other charges, increase our near
and long-term expenditures, issue securities that dilute our shareholders, or disrupt our management and business. In addition, we face
significant competition in seeking appropriate strategic partners and the negotiation process is time-consuming and complex.
Moreover, we may not be successful in our efforts to establish a strategic partnership or other alternative arrangements for our product
candidates because they may be deemed to be at too early a stage of development for collaborative effort and third parties may not
view our product candidates as having the requisite potential to demonstrate safety and efficacy. If and when we collaborate with a
third party for development and commercialization of a product candidate, we can expect to relinquish some or all of the control over
the future success of that product candidate to the third party.

Further, collaborations involving our product candidates are subject to numerous risks, which may include the following:

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collaborators have significant discretion in determining the efforts and resources that they will apply to a collaboration;

collaborators may not pursue development and commercialization of our product candidates or may elect not to continue
or renew development or commercialization programs based on clinical trial results, changes in their strategic focus due
to the acquisition of competitive drugs, availability of funding, or other external factors, such as a business combination
that diverts resources or creates competing priorities;

collaborators may delay clinical trials, provide insufficient funding for a clinical trial, stop a clinical trial, abandon a
product candidate, repeat or conduct new clinical trials, or require a new formulation of a product candidate for clinical
testing;

collaborators could independently develop, or develop with third parties, drugs that compete directly or indirectly with
our drugs or product candidates;

a collaborator with marketing and distribution rights to one or more drugs may not commit sufficient resources to their
marketing and distribution;

collaborators may not properly maintain or defend our intellectual property rights or may use our intellectual property or
proprietary information in a way that gives rise to actual or threatened litigation that could jeopardize or invalidate our
intellectual property or proprietary information or expose us to potential liability;

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disputes may arise between us and a collaborator that cause the delay or termination of the research, development or
commercialization of our product candidates, or that result in costly litigation or arbitration that diverts management
attention and resources;

collaborations may be terminated and, if terminated, may result in a need for additional capital to pursue further
development or commercialization of the applicable product candidates;

collaborators may own or co-own intellectual property covering our drugs that results from our collaborating with them,
and in such cases, we would not have the exclusive right to commercialize such intellectual property;

the collaboration may result in increased operating expenses or the assumption of indebtedness or contingent liabilities;
and

the collaboration arrangement may result in the loss of key personnel and uncertainties in our ability to maintain key
business relationships.

As a result, if we enter into collaboration agreements and strategic partnerships or license our drugs, we may not be able to

realize the benefit of such transactions if we are unable to successfully integrate them with our existing operations and company
culture, which could delay our timelines or otherwise adversely affect our business. Following a strategic transaction or license, we
may not achieve the revenue or specific net income that justifies such transaction. If we are unable to reach agreements with suitable
collaborators on a timely basis, on acceptable terms, or at all, we may have to curtail the development of a product candidate, reduce or
delay its development program or one or more of our other development programs, delay its potential commercialization or reduce the
scope of any sales or marketing activities, or increase our expenditures and undertake development or commercialization activities at
our own expense. If we elect to fund and undertake development or commercialization activities on our own, we may need to obtain
additional expertise and additional capital, which may not be available to us on acceptable terms or at all. If we fail to enter into
collaborations and do not have sufficient funds or expertise to undertake the necessary development and commercialization activities,
we may not be able to further develop our product candidates or bring them to market and generate product sales revenue, which would
harm our business prospects, financial condition and results of operations.

We have entered into an investigator-initiated clinical trial agreement with UCSD and Dr. Lyudmila Bazhenova, an employee

of UCSD and the principal investigator, and a clinical study agreement with the University of Washington, in connection with the
investigator-initiated Phase 1/2 studies of Plinabulin in combination with nivolumab in patients with metastatic NSCLC. Both
agreements provide that we will provide the financial support and access to Plinabulin for use in the studies, and there is no guarantee
that any intellectual property rights will be developed in connection with these studies. See “Item 4. Information on the Company—B.
Business Overview—Plinabulin, Our Lead Drug Candidate—Plinabulin in immuno-oncology—Clinical plans for Plinabulin in
immuno-oncology.”

Risks Related to Our Industry, Business and Operation

We may be limited in the promotional claims we can make and may not be able to use information about competing therapies to
promote or market Plinabulin, if approved, without incurring significant regulatory or enforcement risks.

Various U.S. governmental agencies, including the FDA and the Federal Trade Commission, or the FTC, regulate the
promotion and advertising of FDA approved medical products. Promotional materials and statements must not be false or misleading.
Among other things, the FDA requires that promotional claims be supported by “substantial evidence,” which requires adequate, well-
controlled clinical trials. Promotional claims must also reflect “fair balance” between the risks and benefits of a medical product. The
FDA has found comparative claims to be “false and misleading” when they are not supported by adequate, well-controlled, head-to-
head comparison trials.

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Disclaimers that the comparative claims are not based on head-to-head trials may not be sufficient to insulate the responsible

party from an FDA or FTC enforcement action. False and misleading advertising and promotion is a violation of the Federal Food,
Drug, and Cosmetic Act, or the FDCA, and subjects the responsible party to sanctions including, but not limited to, warning letters,
injunctions, civil penalties and criminal prosecution. Additionally, a product is misbranded under the regulations if, in an effort to
promote the product, a responsible party makes a false or misleading representation with respect to a competing drug, device or
biologic.

We have limited rights to Plinabulin inside China and Hong Kong.

Wanchun Bulin, a partially owned subsidiary, holds the intellectual property rights to Plinabulin in China and Hong Kong. We

currently indirectly own 60% of the equity interest of Wanchun Bulin. The remaining 40% is held by Wanchun Biotech, a Chinese
limited liability company owned by Lan Huang, our Chief Executive Officer, and Linqing Jia, our major shareholder. As a result, any
distributions resulting from Wanchun Bulin on account of its equity ownership will not be fully received by us as the parent company,
and any payment from us to Wanchun Bulin will indirectly benefit Dr. Huang and Mr. Jia. There may never be any revenue or other
funds to repay these amounts to us as the parent company. In addition, under Chinese laws, rules and regulations, our subsidiaries
incorporated in China are restricted in their ability to transfer a portion of their respective net assets to their shareholders as dividends. 
Registered share capital and capital reserve accounts are also restricted from withdrawal in China. As of December 31, 2018, these
restricted net assets were nil.

Our future success depends on our ability to retain our Chief Executive Officer and other key executives and to attract, retain and
motivate qualified personnel.

We are highly dependent on Lan Huang, Ph.D., our Founder, Chairman of our Board of Directors and Chief Executive Officer
and the other principal members of our management and scientific teams. Although we have formal employment agreements with most
of our executive officers, these agreements do not prevent our executives from terminating their employment with us at any time. We
do not maintain “key person” insurance for any of our executives or other employees. The loss of the services of any of these persons
could impede the achievement of our research, development and commercialization objectives.

To induce valuable employees to remain at our company, in addition to salary and cash incentives, we provide share incentive

grants that vest over time. The value to employees of these equity grants that vest over time may be significantly affected by
movements in our ordinary share price that are beyond our control, and may at any time be insufficient to counteract more lucrative
offers from other companies. Although we have employment agreements with our key employees, any of our employees could leave at
any time, with or without notice.

Recruiting and retaining qualified scientific, clinical, sales and marketing personnel or consultants will also be critical to our

success. In addition, we rely on consultants and advisors, including scientific and clinical advisors, to assist us in formulating our
discovery and preclinical studies development and commercialization strategy. The loss of the services of our executive officers or
other key employees and consultants could impede the achievement of our research, development and commercialization objectives
and seriously harm our ability to successfully implement our business strategy.

Furthermore, replacing executive officers and key employees or consultants may be difficult and may take an extended period

of time because of the limited number of individuals in our industry with the breadth of skills and experience required to successfully
develop, gain regulatory approval of and commercialize product candidates. Competition to hire from this limited pool is intense, and
we may be unable to hire, train, retain or motivate these key personnel or consultants on acceptable terms given the competition among
numerous pharmaceutical and biotechnology companies for similar personnel.

We also experience competition for the hiring of scientific and clinical personnel from universities and research institutions.
Our consultants and advisors may be employed by employers other than us and may have commitments under consulting or advisory
contracts with other entities that may limit their availability to us. If we are unable to continue to attract and retain high quality
personnel, our ability to pursue our growth strategy will be limited.

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We will need to increase the size and capabilities of our organization, and we may experience difficulties in managing our growth.

As of December 31, 2018, we had 52 full-time employees. Of these, 38 were engaged in full-time research and development
and laboratory operations and 14 were engaged in full-time general and administrative functions. As of December 31, 2018, 18 of our
employees were located in China and 34 were located in the U.S. We have also engaged and may continue to engage independent
contractors who are not full-time employees, to assist us with our operations. As our development and commercialization plans and
strategies develop, we will need to establish and maintain effective disclosure and financial controls and make changes in our corporate
governance practices. We will need to add a significant number of additional managerial, operational, sales, marketing, financial and
other personnel with the appropriate public company experience and technical knowledge and we may not successfully recruit and
maintain such personnel. Future growth will impose significant added responsibilities on members of management, including:

•

identifying, recruiting, integrating, maintaining and motivating additional employees;

• managing our internal development efforts effectively, including the clinical and FDA or other comparable regulatory

authority review process for our product candidates, while complying with our contractual obligations to contractors and
other third parties; and

•

improving our operational, financial and management controls, reporting systems and procedures.

Our future financial performance and our ability to commercialize our product candidates will depend, in part, on our ability
to effectively manage our future growth, and our management may also have to divert a disproportionate amount of its attention away
from day-to-day activities in order to devote a substantial amount of time to managing these growth activities.

We currently rely, and for the foreseeable future will continue to rely, in substantial part on certain independent organizations,
advisors and consultants to provide certain services. These independent organizations, advisors and consultants may not continue to be
available to us on a timely basis when needed, and in such case, we may not have the ability to find qualified replacements. In addition,
if we are unable to effectively manage our outsourced activities or if the quality or accuracy of the services provided by consultants is
compromised for any reason, our clinical trials may be extended, delayed or terminated, and we may not be able to obtain regulatory
approval of our product candidates or otherwise advance our business. Furthermore, we may not be able to manage our existing
consultants or find other competent outside contractors and consultants on economically reasonable terms, if at all.

If we are not able to effectively expand our organization by hiring new employees and expanding our groups of consultants
and contractors, we may not be able to successfully implement the tasks necessary to further develop and commercialize our product
candidates and, accordingly, may not achieve our research, development and commercialization goals.

Our employees, independent contractors, consultants, commercial partners and vendors may engage in misconduct or other
improper activities, including noncompliance with regulatory standards and requirements.

We are exposed to the risk of fraud, misconduct or other illegal activity by our employees, independent contractors,
consultants, commercial partners and vendors. Misconduct by these parties could include intentional, reckless and negligent conduct
that fails to: comply with the laws of the FDA and other similar non-U.S. regulatory authorities; provide true, complete and accurate
information to the FDA and other similar non-U.S. regulatory authorities; comply with manufacturing standards we have established;
comply with healthcare fraud and abuse laws in the U.S. and similar non-U.S. fraudulent misconduct laws; or report financial
information or data accurately or to disclose unauthorized activities to us. If we obtain FDA approval of any of our product candidates
and begin commercializing those drugs in the U.S., our potential exposure under U.S. laws will increase significantly and our costs
associated with compliance with such laws are also likely to increase. These laws may impact, among other things, our current
activities with principal investigators and research patients and our use of information obtained in the course of patient recruitment for
clinical trials, as well as proposed and future sales, marketing and education programs. In particular, the promotion, sales and
marketing of healthcare items and services, as well as certain business arrangements in the healthcare industry, are subject to extensive
laws designed to prevent fraud, kickbacks, self-dealing and other abusive practices. These laws and regulations may restrict or prohibit
a wide range of pricing, discounting, marketing and promotion, structuring and commission(s), certain customer incentive programs
and other business arrangements generally.

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It is not always possible to identify and deter misconduct by employees and other parties, and the precautions we take to
detect and prevent this activity may not be effective in controlling unknown or unmanaged risks or losses or in protecting us from
governmental investigations or other actions or lawsuits stemming from a failure to comply with these laws or regulations. If any such
actions are instituted against us, and we are not successful in defending ourselves or asserting our rights, those actions could have a
significant impact on our business, including the imposition of significant fines or other sanctions.

If we fail to maintain an effective system of internal controls, we may not be able to accurately or timely report our financial
condition or results of operations, which may adversely affect investor confidence in us and, as a result, the value of our ordinary
shares.

As a public company, we are required to maintain internal control over financial reporting and to report any material

weaknesses in such internal controls. Section 404 of the Sarbanes-Oxley Act of 2002, or the Sarbanes-Oxley Act, requires that we
evaluate and determine the effectiveness of our internal control over financial reporting and provide a management report on internal
control over financial reporting. The Sarbanes-Oxley Act also requires that our management report on internal control over financial
reporting be attested to by our independent registered public accounting firm, to the extent we are no longer an “emerging growth
company,” as defined in the Jumpstart Our Business Startups Act, or JOBS Act. We do not expect our independent registered public
accounting firm to attest to our management report on internal control over financial reporting for so long as we are an emerging
growth company.

In connection with the audit of our financial statements as of December 31, 2016 and 2015 and for the years ended December

31, 2016, 2015 and 2014 we identified a material weakness in our internal control over financial reporting. The material weakness
related to having an insufficient number of financial reporting personnel with an appropriate level of knowledge, experience and
training in application of U.S. GAAP and SEC rules and regulations commensurate with our reporting requirements. After identifying
the material weakness we implemented a series of measures designed to improve our internal control over financial reporting to
remediate the material weakness, which had been remedied as of December 31, 2017.

Our management evaluated, with the participation of our Chief Executive Officer and Chief Financial Officer, the
effectiveness of our disclosure controls and procedures (as defined in Rule 13a-15(e) under the Exchange Act) as of the end of the
period covered by this report and has concluded that our disclosure controls and procedures were effective as of December 31, 2018.
We may identify additional material weaknesses or significant deficiencies in our internal control over financial reporting in the future.
More generally, if we are unable to comply with the requirements of Section 404 of the Sarbanes-Oxley Act, if we are unable to assert
that our internal control over financial reporting is effective, or when required in the future, if our independent registered public
accounting firm is unable to express an opinion as to the effectiveness of our internal control over financial reporting, investors may
lose confidence in the accuracy and completeness of our financial reports and the market price of our ordinary shares could be
adversely affected, and we could become subject to investigations by the stock exchange on which our securities are listed, the SEC, or
other regulatory authorities, which could require additional financial and management resources.

We may have inadvertently violated Section 13(k) of the Exchange Act and may be subject to sanctions as a result.

Section 13(k) of the Securities Exchange Act of 1934 (Section 402 of the Sarbanes-Oxley Act) provides that it is unlawful for

a company that has a class of securities registered under Section 12 of the Exchange Act to, directly or indirectly, including through
any subsidiary, extend or maintain credit in the form of a personal loan to or for any director or executive officer of the company. We
overlooked this prohibition and inadvertently made loans to Dr. Ramon Mohanlal, our Chief Medical Officer in December 2018 that
may have violated Section 13(k). The loans were repaid in April 2019 as soon as they came to the attention of our Board of Directors.
Issuers who are found to have violated Section 13(k) may be subject to civil sanctions, including injunctive remedies and monetary
penalties, as well as criminal sanctions. The imposition of any such sanctions on us could have a material adverse effect on our
business, financial position, results of operations or cash flows.

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We are subject to the risk of doing business internationally.

We operate and expect to operate in various countries, and we may not be able to market our products in, or develop new

products successfully for, these markets. We may also encounter other risks of doing business internationally including:

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unexpected changes in, or impositions of, legislative or regulatory requirements;

the occurrence of economic weakness, including inflation or political instability;

the effects of applicable non-U.S. tax structures and potentially adverse tax consequences;

differences in protection of our intellectual property rights including third party patent rights;

the burden of complying with a variety of foreign laws including difficulties in effective enforcement of contractual
provisions;

delays resulting from difficulty in obtaining export licenses, tariffs and other barriers and restrictions, potentially longer
payment cycles, greater difficulty in accounts receivable collection and potentially adverse tax treatment; and

production shortages resulting from any events affecting raw material supply or manufacturing capabilities abroad.

In addition, we are subject to general geopolitical risks in foreign countries where we operate, such as political and economic
instability and changes in diplomatic and trade relationships, which could affect, among other things, customers’ inventory levels and
consumer purchasing, which could cause our results to fluctuate and our net sales to decline. The occurrence of any one or more of
these risks of doing business internationally, individually or in the aggregate, could materially affect our business and results of
operations adversely.

If we fail to comply with the U.S. Foreign Corrupt Practices Act, or FCPA, or other anti-bribery laws, our reputation may be
harmed and we could be subject to penalties and significant expenses that have a material adverse effect on our business, financial
condition and results of operations.

We are subject to the FCPA, which generally prohibits us from making improper payments to non-U.S. officials for the
purpose of obtaining or retaining business. We are also subject to the anti-bribery laws of other jurisdictions, particularly China. As our
business expands, the applicability of the FCPA and other anti-bribery laws to our operations will increase. Our procedures and
controls to monitor anti-bribery compliance may fail to protect us from reckless or criminal acts committed by our employees or
agents. If we, due to either our own deliberate or inadvertent acts or those of others, fail to comply with applicable anti-bribery laws,
our reputation could be harmed and we could incur criminal or civil penalties, other sanctions and/or significant expenses, which could
have a material adverse effect on our business, including our financial condition, results of operations, cash flows and prospects.

Business disruptions could seriously harm our future revenue and financial condition and increase our costs and expenses.

Our operations, and those of our third-party research institution collaborators, CROs, suppliers and other contractors and

consultants, could be subject to earthquakes, power shortages, telecommunications failures, damage from computer viruses, material
computer system failures, water shortages, floods, hurricanes, typhoons, fires, extreme weather conditions, medical epidemics and
other natural or man-made disasters or business interruptions for which we are predominantly self-insured. In addition, we partially
rely on our third-party research institution collaborators for conducting research and development of our product candidates, and they
may be affected by government shutdowns or withdrawn funding. The occurrence of any of these business disruptions could seriously
harm our operations and financial condition and increase our costs and expenses. We rely on third-party manufacturers to produce and
process our product candidates. Our ability to obtain clinical supplies of our product candidates could be disrupted if the operations of
these suppliers are affected by a man-made or natural disaster or other business interruption. A large portion of our contract
manufacturer’s operations is located in a single facility. Damage or extended periods of interruption to our corporate or our contract
manufacturer’s development or research facilities due to fire, natural disaster, power loss, communications failure, unauthorized entry
or other events could cause us to cease or delay development of some or all of our product candidates.

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Our internal computer systems, or those used by our CROs or other contractors or consultants, may fail or suffer security breaches.

Despite the implementation of security measures, our internal computer systems and those of our CROs and other contractors

and consultants are vulnerable to damage from computer viruses and unauthorized access. Although, to our knowledge, we have not
experienced any such material system failure or security breach to date, if such an event were to occur and cause interruptions in our
operations, it could result in a material disruption of our development programs and our business operations. For example, the loss of
clinical trial data from completed or future clinical trials could result in delays in our regulatory approval efforts and significantly
increase our costs to recover or reproduce the data. Likewise, we partially rely on our third-party research institution collaborators for
research and development of our product candidates and on other third parties for the manufacture of our product candidates and to
conduct clinical trials, and similar events relating to their computer systems could also have a material adverse effect on our business.
To the extent that any disruption or security breach were to result in a loss of, or damage to, our data or applications, or inappropriate
disclosure of confidential or proprietary information, we could incur liability and the further development and commercialization of our
product candidates could be delayed.

If product liability lawsuits are brought against us, we may incur substantial liabilities and may be required to limit
commercialization of our product candidates.

We face an inherent risk of product liability as a result of the clinical testing of our product candidates and will face an even

greater risk if we commercialize any drugs. For example, we may be sued if our product candidates cause or are perceived to cause
injury or are found to be otherwise unsuitable during clinical testing, manufacturing, marketing or sale. Any such product liability
claims may include allegations of defects in manufacturing, defects in design, a failure to warn of dangers inherent in the drug,
negligence, strict liability or a breach of warranties. Claims could also be asserted under state consumer protection acts. If we cannot
successfully defend ourselves against product liability claims, we may incur substantial liabilities or be required to limit
commercialization of our product candidates. Even successful defense would require significant financial and management resources.
Regardless of the merits or eventual outcome, liability claims may result in:

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decreased demand for our drugs;

injury to our reputation;

withdrawal of clinical trial participants and inability to continue clinical trials;

initiation of investigations by regulators;

costs to defend the related litigation;

a diversion of management’s time and our resources;

substantial monetary awards to trial participants or patients;

product recalls, withdrawals or labeling, marketing or promotional restrictions;

loss of revenue;

exhaustion of any available insurance and our capital resources;

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the inability to commercialize any product candidate; and

a decline in our ordinary share price.

Our inability to obtain sufficient product liability insurance at an acceptable cost to protect against potential product liability

claims could prevent or inhibit the commercialization of drugs we develop, alone or with collaborators. Although we currently carry an
aggregate maximum coverage amount of approximately $5 million of clinical trial insurance, the amount of such insurance coverage
may not be adequate, we may be unable to maintain such insurance, or we may not be able to obtain additional or replacement
insurance at a reasonable cost, if at all. Our insurance policies may also have various exclusions, and we may be subject to a product
liability claim for which we have no coverage. We may have to pay any amounts awarded by a court or negotiated in a settlement that
exceed our coverage limitations or that are not covered by our insurance, and we may not have, or be able to obtain, sufficient capital
to pay such amounts. Even if our agreements with any future corporate collaborators entitle us to indemnification against losses, such
indemnification may not be available or adequate should any claim arise.

We have limited insurance coverage, and any claims beyond our insurance coverage may result in our incurring substantial costs
and a diversion of resources.

We maintain property insurance policies covering physical damage to, or loss of, our buildings and their improvements,

equipment, office furniture and inventory. We hold employer’s liability insurance generally covering death or work-related injury of
employees. We hold public liability insurance covering certain incidents involving third parties that occur on or in our premises. We
hold directors and officers liability insurance covering losses or advancement of defense costs resulting from certain legal actions
brought against our directors and officers. We do not maintain “key-person” life insurance on any of our senior management or key
personnel, or business interruption insurance. Our insurance coverage may be insufficient to cover any claim for product liability,
damage to our fixed assets or employee injuries. Any liability or damage to, or caused by, our facilities or our personnel beyond our
insurance coverage may result in our incurring substantial costs and a diversion of resources.

Fluctuations in exchange rates could result in foreign currency exchange losses and could materially reduce the value of your
investment.

We incur portions of our expenses, and may in the future derive revenues, in currencies other than the U.S. dollars, in

particular, the RMB. As a result, we are exposed to foreign currency exchange risk as our results of operations and cash flows are
subject to fluctuations in foreign currency exchange rates. For example, a significant portion of our clinical trial activities may be
conducted outside of the U.S., and associated costs may be incurred in the local currency of the country in which the trial is being
conducted, which costs could be subject to fluctuations in currency exchange rates. We currently do not engage in hedging transactions
to protect against uncertainty in future exchange rates between particular foreign currencies and the U.S. dollar. A decline in the value
of the U.S. dollar against currencies in countries in which we conduct clinical trials could have a negative impact on our research and
development costs. Foreign currency fluctuations are unpredictable and may adversely affect our financial condition, results of
operations and cash flows.

The value of the RMB against the U.S. dollar and other currencies may fluctuate and is affected by, among other things,
changes in political and economic conditions and the foreign exchange policy adopted by the Chinese and other non-U.S. governments.
China, U.S. or other government policies may impact the exchange rate between the RMB, U.S. dollar and other currencies in the
future in ways that adversely affect our business. There remains significant international pressure on the Chinese government to adopt a
more flexible currency policy, which could result in greater fluctuation of the RMB against the U.S. dollar. Our costs are denominated
in U.S. dollars, RMB, Australian dollars and Euros, and a large portion of our financial assets are in U.S. dollars. To the extent that we
need to convert U.S. dollars into RMB for our operations, appreciation of the RMB against the U.S. dollar would have an adverse
effect on the RMB amount we would receive. Conversely, if we decide to convert our RMB into U.S. dollars for our operations or
other business purposes, appreciation of the U.S. dollar against the RMB would have a negative effect on the U.S. dollar amount we
would receive.

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Our investments are subject to risks that could result in losses.

We had cash of $3.9 million, and had cash and short-term investments of $30.6 million at December 31, 2018 and 2017,

respectively. We may invest our cash in a variety of financial instruments, principally short-term investment grade, interest-bearing
instruments. All of these investments are subject to credit, liquidity, market and interest rate risk. Such risks, including the failure or
severe financial distress of the financial institutions that hold our cash, cash equivalents and investments, may result in a loss of
liquidity, impairment to our investments, realization of substantial future losses, or a complete loss of the investments in the long-term,
which may have a material adverse effect on our business, results of operations, liquidity and financial condition. Our exposure to
interest rate risk arises through movements in regard to interest income we earn on our deposits and the imputed interest expense from
a shareholder loan. To manage the risk, our cash is held at financial institutions that we believe to be of high credit quality. While we
believe our cash position does not expose us to excessive risk, future investments may be subject to adverse changes in market value.

Our disclosure controls and procedures may not prevent or detect all errors or acts of fraud.

We are currently subject to the reporting requirements of the Exchange Act. Our disclosure controls and procedures are

designed to reasonably assure that information required to be disclosed by us in reports we file or submit under the Exchange Act is
accumulated and communicated to management, and recorded, processed, summarized and reported within the time periods specified
in the rules and forms of the SEC. We believe that any disclosure controls and procedures or internal controls and procedures, no
matter how well conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the control system
are met.

These inherent limitations include the realities that judgments in decision-making can be faulty, and that breakdowns can

occur because of simple error or mistake. Additionally, controls can be circumvented by the individual acts of some persons, by
collusion of two or more people or by an unauthorized override of the controls. Accordingly, because of the inherent limitations in our
control system, misstatements due to error or fraud may occur and not be detected.

Risks Related to Our Doing Business in China

The pharmaceutical industry in China is highly regulated and such regulations are subject to change which may affect approval
and commercialization of our drugs.

The pharmaceutical industry in China is subject to comprehensive government regulation and supervision, encompassing the
approval, registration, manufacturing, packaging, licensing and marketing of new drugs. See “Item 4. Information on the Company—
B. Business Overview—Government Regulations—Chinese Regulation” for a discussion of regulatory requirements that are applicable
to our current and planned business activities in China. In recent years, the regulatory framework in China regarding the
pharmaceutical industry has undergone significant changes, and we expect that it will continue to undergo significant changes. Any
such changes or amendments may result in increased compliance costs on our business or cause delays in or prevent the successful
development or commercialization of our product candidates in China and reduce the current benefits we believe are available to us
from developing and manufacturing drugs in China. Chinese authorities have become increasingly vigilant in enforcing laws in the
pharmaceutical industry and any failure by us or our partners to maintain compliance with applicable laws and regulations or obtain
and maintain required licenses and permits may result in the suspension or termination of our business activities in China. We believe
our strategy and approach is aligned with the Chinese government’s policies, but we cannot ensure that our strategy and approach will
continue to be aligned.

Changes in the political and economic policies of the Chinese government may materially and adversely affect our business,
financial condition and results of operations and may result in our inability to sustain our growth and expansion strategies.

Our financial condition and results of operations are affected to a large extent by economic, political and legal developments

in China.

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The Chinese economy differs from the economies of most developed countries in many respects, including the extent of

government involvement, level of development, growth rate, control of foreign exchange and allocation of resources. Although the
Chinese government has implemented measures emphasizing the utilization of market forces for economic reform, the reduction of
state ownership of productive assets, and the establishment of improved corporate governance in business enterprises, a substantial
portion of productive assets in China is still owned by the government. In addition, the Chinese government continues to play a
significant role in regulating industrial development by imposing industrial policies. The Chinese government also exercises significant
control over China’s economic growth by allocating resources, controlling payment of foreign currency-denominated obligations,
setting monetary policy, regulating financial services and institutions and providing preferential treatment to particular industries or
companies.

While the Chinese economy has experienced significant growth in the past four decades, growth has been uneven, both

geographically and among various sectors of the economy. The Chinese government has implemented various measures to encourage
economic growth and guide the allocation of resources. Some of these measures may benefit the overall Chinese economy, but may
also have a negative effect on us. Our financial condition and results of operation could be materially and adversely affected by
government control over capital investments or changes in tax regulations that are applicable to us and consequently have a material
adverse effect on our businesses, financial condition and results of operations.

There are uncertainties regarding the interpretation and enforcement of Chinese laws, rules and regulations.

A portion of our operations are conducted in China through our Chinese subsidiaries, and are governed by Chinese laws, rules

and regulations. Our Chinese subsidiaries are subject to laws, rules and regulations applicable to foreign investment in China. The
Chinese legal system is a civil law system based on written statutes.

In 1979, the Chinese government began to promulgate a comprehensive system of laws, rules and regulations governing
economic matters in general. The overall effect of legislation over the past four decades has significantly enhanced the protections
afforded to various forms of foreign investment in China. However, China has not developed a fully integrated legal system, and
recently enacted laws, rules and regulations may not sufficiently cover all aspects of economic activities in China or may be subject to
significant degrees of interpretation by Chinese regulatory agencies. In particular, because these laws, rules and regulations are
relatively new, and because of the limited number of published decisions and the nonbinding nature of such decisions, and because the
laws, rules and regulations often give the relevant regulator significant discretion in how to enforce them, the interpretation and
enforcement of these laws, rules and regulations involve uncertainties and can be inconsistent and unpredictable. In addition, the
Chinese legal system is based in part on government policies and internal rules, some of which are not published on a timely basis or at
all, and which may have a retroactive effect. As a result, we may not be aware of our violation of these policies and rules until after the
occurrence of the violation.

Any administrative and court proceedings in China may be protracted, resulting in substantial costs and diversion of resources

and management attention. Since Chinese administrative and court authorities have significant discretion in interpreting and
implementing statutory and contractual terms, it may be more difficult to evaluate the outcome of administrative and court proceedings
and the level of legal protection we enjoy than in more developed legal systems. These uncertainties may impede our ability to enforce
the contracts we have entered into and could materially and adversely affect our business, financial condition and results of operations.

Chinese regulations relating to investments in offshore companies by Chinese residents may subject our future Chinese resident
beneficial owners or our Chinese subsidiaries to liability or penalties, limit our ability to inject capital into our Chinese subsidiaries
or limit our Chinese subsidiaries’ ability to increase their registered capital or distribute profits.

The State Administration of Foreign Exchange, or SAFE, promulgated the Circular on Relevant Issues Concerning Foreign

Exchange Control on Domestic Residents’ Offshore Investment and Financing and Roundtrip Investment through Special Purpose
Vehicles, or SAFE Circular 37, on July 4, 2014, which replaced the former circular commonly known as “SAFE Circular 75”
promulgated by SAFE on October 21, 2005. SAFE Circular 37 requires Chinese residents to register with local branches of SAFE in
connection with their direct establishment or indirect control of an offshore entity, for the purpose of overseas investment and
financing, with such Chinese residents’ legally owned assets or equity interests in domestic enterprises or offshore assets or interests,
referred to in SAFE Circular 37 as a “special purpose vehicle.” SAFE Circular 37 further requires an amendment to the registration in
the event of any significant changes with respect to the special purpose vehicle, such as an increase or decrease of capital contributed
by Chinese individuals, share transfer or exchange, merger, division or other material event. In the event that a Chinese shareholder
holding interests in a special purpose vehicle fails to fulfill the required SAFE registration, the Chinese subsidiaries of that special
purpose vehicle may be prohibited from making profit distributions to the offshore parent and from carrying out subsequent cross-
border foreign exchange activities, and the special purpose vehicle may be restricted in its ability to contribute additional capital into its
Chinese subsidiary. Moreover, failure to comply with the various SAFE registration requirements described above could result in
liability under Chinese law for evasion of foreign exchange controls.

 
 
 
 
 
 
 
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We believe Dr. Lan Huang and Messrs. Linqing Jia and Dong Liang, each of whom are our shareholders, are Chinese

residents under SAFE Circular 37. Although Dr. Lan Huang and Messrs. Linqing Jia and Dong Liang have completed the foreign
exchange registration under SAFE Circular 37, we do not have control over these three shareholders and our other beneficial owners,
and our Chinese resident beneficial owners may not have complied with, and may not in the future comply with, SAFE Circular 37 and
subsequent implementation rules. The failure of Chinese resident beneficial owners to register or amend their SAFE registrations in a
timely manner pursuant to SAFE Circular 37 and subsequent implementation rules, or the failure of future Chinese resident beneficial
owners of our company to comply with the registration procedures set forth in SAFE Circular 37 and subsequent implementation rules,
may subject such beneficial owners or our Chinese subsidiaries to fines and legal sanctions. Furthermore, SAFE Circular 37 is unclear
how this regulation, and any future regulation concerning offshore or cross-border transactions, will be interpreted, amended and
implemented by the relevant Chinese government authorities, and we cannot predict how these regulations will affect our business
operations or future strategy. Failure to register or comply with relevant requirements may also limit our ability to contribute additional
capital to our Chinese subsidiaries and limit our Chinese subsidiaries’ ability to distribute dividends to us. These risks could in the
future have a material adverse effect on our business, financial condition and results of operations.

Any failure to comply with Chinese regulations regarding our employee equity incentive plans may subject the PRC plan
participants or us to fines and other legal or administrative sanctions.

We and our directors, executive officers and other employees who are Chinese citizens or who have resided in China for a
continuous period of not less than one year and who will be granted restricted shares or options are subject to the Notice on Issues
Concerning the Foreign Exchange Administration for Domestic Individuals Participating in Stock Incentive Plan of Overseas Publicly
Listed Company, issued by SAFE in February 2012, according to which, employees, directors, supervisors and other management
members participating in any share incentive plan of an overseas publicly listed company who are Chinese citizens or who are non-
Chinese citizens residing in China for a continuous period of not less than one year, subject to limited exceptions, are required to
register with SAFE through a domestic qualified agent, which could be a PRC subsidiary of such overseas listed company, and
complete certain other procedures. In addition, an overseas entrusted institution must be retained to handle matters in connection with
the exercise or sale of stock options and the purchase or sale of shares and interests. Failure to complete the SAFE registrations may
subject them to fines and legal sanctions and may also limit our ability to make payments under our equity incentive plans or receive
dividends or sales proceeds related thereto, or our ability to contribute additional capital into our wholly foreign-owned enterprises in
China and limit our wholly foreign-owned enterprises’ ability to distribute dividends to us. We also face regulatory uncertainties that
could restrict our ability to adopt additional equity incentive plans for our directors and employees under Chinese law.

In addition, the State Administration of Taxation, or the SAT, has issued circulars concerning employee share options or

restricted shares. Under these circulars, employees working in China who exercise share options, or whose restricted shares vest, will
be subject to Chinese individual income tax. The Chinese subsidiaries of an overseas listed company have obligations to file
documents related to employee share options or restricted shares with relevant tax authorities and to withhold individual income taxes
of those employees related to their share options or restricted shares. If the employees fail to pay, or the Chinese subsidiaries fail to
withhold applicable income taxes, the Chinese subsidiaries may face sanctions imposed by the tax authorities or other Chinese
government authorities.

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In the future, we may rely to some extent on dividends and other distributions on equity from our principal operating subsidiaries to
fund offshore cash and financing requirements.

We are a holding company, incorporated in the Cayman Islands, and may in the future rely to some extent on dividends and
other distributions on equity from our principal operating subsidiaries for our offshore cash and financing requirements, including the
funds necessary to pay dividends and other cash distributions to our shareholders, fund inter-company loans, service any debt we may
incur outside China and pay our expenses. The laws, rules and regulations applicable to our Chinese subsidiaries and certain other
subsidiaries permit payments of dividends only out of their retained earnings, if any, determined in accordance with applicable
accounting standards and regulations.

Under Chinese laws, rules and regulations, each of our subsidiaries incorporated in China is required to set aside a portion of
its net income each year to fund certain statutory reserves. These reserves, together with the registered equity, are not distributable as
cash dividends. As a result of these laws, rules and regulations, our subsidiaries incorporated in China are restricted in their ability to
transfer a portion of their respective net assets to their shareholders as dividends. In addition, registered share capital and capital
reserve accounts are also restricted from withdrawal in China. As of December 31, 2018, these restricted net assets were nil.

The Enterprise Income Tax Law of the People’s Republic of China, or EIT Law, and its implementation rules, both of which
became effective on January 1, 2008, provide that China-sourced income of foreign enterprises, such as dividends paid by a Chinese
subsidiary to its equity holders that are non-Chinese resident enterprises, will normally be subject to Chinese withholding tax at a rate
of 10%, unless any such foreign investor’s jurisdiction of incorporation has a tax treaty with China that provides for a different
withholding arrangement. As a result, dividends paid to us by our Chinese subsidiaries are expected to be subject to Chinese
withholding tax at a rate of 10%.

Pursuant to the Arrangement between Mainland China and Hong Kong Special Administrative Region for the Avoidance of
Double Taxation and Prevention of Fiscal Evasion with respect to Taxes on Income, or Hong Kong Tax Treaty, BeyondSpring (HK)
Limited, or BeyondSpring HK, the shareholder of our Chinese subsidiaries, may be subject to a withholding tax at a rate of 5% on
dividends received from our Chinese operating subsidiaries as a Hong Kong tax resident. Pursuant to the Hong Kong Tax Treaty,
subject to certain conditions, this reduced withholding tax rate will be available for dividends from Chinese entities provided that the
recipient can demonstrate it is a Hong Kong tax resident and it is the beneficial owner of the dividends. BeyondSpring HK currently
does not hold a Hong Kong tax resident certificate from the Inland Revenue Department of Hong Kong and the reduced withholding
tax rate may not be available.

Furthermore, if our subsidiaries in China incur debt on their own behalf in the future, the instruments governing the debt may

restrict their ability to pay dividends or make other payments to us as the parent company. Any limitation on the ability of our
subsidiaries to distribute dividends or other payments to us as the parent company in the future could materially and adversely limit our
ability to make investments or acquisitions that could be beneficial to our businesses, pay dividends or otherwise fund and conduct our
business.

We may be treated as a resident enterprise for Chinese tax purposes under the EIT Law and be subject to Chinese tax on our
worldwide taxable income at a rate of 25%.

Under the EIT Law an enterprise established outside China with “de facto management bodies” within China is considered a

“resident enterprise,” meaning that it is treated in a manner similar to a Chinese enterprise for EIT purposes. The implementing rules of
the EIT Law define “de facto management bodies” as “management bodies that exercise substantial and overall management and
control over the production and operations, personnel, accounting, and properties” of the enterprise. In addition, the Notice Regarding
the Determination of Chinese-Controlled Offshore Incorporated Enterprises as PRC Tax Resident Enterprises on the Basis of De Facto
Management Bodies, or Circular 82, specifies that certain Chinese-controlled offshore incorporated enterprises, defined as enterprises
incorporated under the laws of foreign countries or territories and that have Chinese enterprises or enterprise groups as their primary
controlling shareholders, will be classified as resident enterprises if all of the following are located or resident in China: senior
management personnel and departments that are responsible for daily production, operation and management; financial and personnel
decision-making bodies; key properties, accounting books, company seal and minutes of board meetings and shareholders’ meetings;
and half or more of senior management or directors having voting rights. On July 27, 2011, the SAT issued Administrative Measures of
Enterprise Income Tax of Chinese-Controlled Offshore Incorporated Resident Enterprises (Trial), or Bulletin 45, which became
effective on September 1, 2011, as recently amended on October 1, 2016, to provide further guidance on the implementation of
Circular 82. Bulletin 45 clarifies certain issues related to determining Chinese resident enterprise status, including which competent tax
authorities are responsible for determining offshore incorporated Chinese resident enterprise status, as well as post-determination
administration. In 2014, the SAT, released the Announcement of the SAT on Issues Concerning the Recognition of Chinese-Controlled
Enterprises Incorporated Overseas as Resident Enterprises on the Basis of Their Actual Management Bodies and supplemented some

 
 
 
 
 
 
 
provisions related to the administrative procedures for the recognition of resident enterprise, while the standards used to classify
resident enterprises in Circular 82 remain unchanged.

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We are not aware of any offshore holding company with a corporate structure similar to ours that has been deemed a Chinese

“resident enterprise” by the Chinese tax authorities. Accordingly, we do not believe our company or any of our overseas subsidiaries
should be treated as a Chinese resident enterprise.

If the Chinese tax authorities determine that our Cayman Islands holding company is a resident enterprise for EIT purposes, a

number of unfavorable Chinese tax consequences could follow and we may be subject to EIT at a rate of 25% on our worldwide
taxable income, as well as to EIT reporting obligations. In that case, it is possible that dividends paid to us as the parent company by
our Chinese subsidiaries will not be subject to Chinese withholding tax.

Dividends payable to our foreign investors may be subject to Chinese withholding tax and gains on the sale of our ordinary shares
by our foreign investors may be subject to Chinese tax.

If we are deemed a Chinese resident enterprise as described under “—We may be treated as a resident enterprise for Chinese
tax purposes under the EIT Law and be subject to Chinese tax on our worldwide taxable income at a rate of 25%,” dividends paid on
our ordinary shares, and any gain realized from the transfer of our ordinary shares, may be treated as income derived from sources
within China. As a result, dividends paid to non-Chinese resident enterprise ordinary shareholders may be subject to Chinese
withholding tax at a rate of 10% (or 20% in the case of non-Chinese individual ordinary shareholders) and gains realized by non-
Chinese resident enterprises ordinary shareholders from the transfer of our ordinary shares may be subject to Chinese tax at a rate of
10% (or 20% in the case of non-Chinese individual ordinary shareholders). It is unclear whether if we or any of our subsidiaries
established outside China are considered a Chinese resident enterprise, holders of our ordinary shares would be able to claim the
benefit of income tax treaties or agreements entered into between China and other countries or areas. If dividends payable to our non-
Chinese investors, or gains from the transfer of our ordinary shares by such investors are subject to Chinese tax, the value of your
investment in the ordinary shares may decline significantly.

We and our shareholders face uncertainties with respect to indirect transfers of equity interests in Chinese resident enterprises or
other assets attributed to a Chinese establishment of a non-Chinese company, or other assets attributable to a Chinese
establishment of a non-Chinese company.

On February 3, 2015, the SAT issued the Bulletin on Issues of Enterprise Income Tax and Indirect Transfers of Assets by Non-

PRC Resident Enterprises, or Bulletin 7. Pursuant to this Bulletin, an “indirect transfer” of “PRC taxable assets,” including equity
interests in a Chinese resident enterprise, by non-Chinese resident enterprises may be recharacterized and treated as a direct transfer of
PRC taxable assets, if such arrangement does not have a reasonable commercial purpose and was established for the purpose of
avoiding payment of Chinese enterprise income tax. As a result, gains derived from such indirect transfer may be subject to Chinese
enterprise income tax. When determining whether there is a “reasonable commercial purpose” of the transaction arrangement, factors
to be taken into consideration include: whether the main value of the equity interest of the relevant offshore enterprise derives from
PRC taxable assets; whether the assets of the relevant offshore enterprise mainly consist of direct or indirect investment in China or if
its income mainly derives from China; whether the offshore enterprise and its subsidiaries directly or indirectly holding PRC taxable
assets have real commercial nature which is evidenced by their actual function and risk exposure; the duration of existence of the
business model and organizational structure; the replicability of the transaction by direct transfer of PRC taxable assets; and the tax
situation of such indirect transfer and applicable tax treaties or similar arrangements. On October 17, 2017, the SAT issued the
Announcement of the State Administration of Taxation on Issues Concerning the Withholding of Non-resident Enterprise Income Tax
at Source, or Bulletin 37, which came into effect on December 1, 2017.  Bulletin 37 further clarifies the practice and procedure of the
withholding of nonresident enterprise income tax.

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Late payment of applicable tax will subject the transferor to default interest. Gains derived from the sale of shares by investors

are not subject to the Chinese enterprise income tax pursuant to Bulletin 7 where such shares were acquired in a transaction through a
public stock exchange. However, the sale of our ordinary shares by a non-Chinese resident enterprise outside a public stock exchange
may be subject to Chinese enterprise income tax under Bulletin 7.

There are uncertainties as to the application of Bulletin 7. Bulletin 7 may be determined by the tax authorities to be applicable
to sale of the shares of our offshore subsidiaries or investments where PRC taxable assets are involved. The transferors and transferees
may be subject to the tax filing and withholding or tax payment obligation, while our Chinese subsidiaries may be requested to assist in
the filing. Furthermore, we, our non-resident enterprises and Chinese subsidiaries may be required to spend valuable resources to
comply with Bulletin 7 or to establish that we and our non-resident enterprises should not be taxed under Bulletin 7, for our previous
and future restructuring or disposal of shares of our offshore subsidiaries, which may have a material adverse effect on our financial
condition and results of operations.

The Chinese tax authorities have the discretion under Bulletin 7 to make adjustments to the taxable capital gains based on the

difference between the fair value of the taxable assets transferred and the cost of investment. If the Chinese tax authorities make
adjustments to the taxable income of the transactions under Bulletin 7 / Bulletin 37, our income tax costs associated with such potential
acquisitions or disposals will increase, which may have an adverse effect on our financial condition and results of operations.

Restrictions on currency exchange may limit our ability to utilize our revenue effectively.

The Chinese government imposes controls on the convertibility of RMB into foreign currencies and, in certain cases, the

remittance of currency out of China. A portion of our revenue may in the future be denominated in RMB. Shortages in availability of
foreign currency may then restrict the ability of our Chinese subsidiaries to remit sufficient foreign currency to our offshore entities for
our offshore entities to pay dividends or make other payments or otherwise to satisfy our foreign currency denominated obligations.
The RMB is currently convertible under the “current account,” which includes trade and service-related foreign exchange transactions,
but not under the “capital account,” which includes foreign direct investment and loans, including loans we may secure from our
onshore subsidiaries. Currently, our Chinese subsidiaries, which are wholly foreign-owned enterprises, may purchase foreign currency
for settlement of “current account transactions,” without the approval of SAFE, by complying with certain procedural requirements.
However, the relevant Chinese governmental authorities may limit or eliminate our ability to purchase foreign currencies in the future
for current account transactions. Since a portion of our future revenue may be denominated in RMB, any existing and future
restrictions on currency exchange may limit our ability to utilize revenue generated in RMB to fund our business activities outside of
China or pay dividends in foreign currencies to our shareholders, including holders of our ordinary shares. Foreign exchange
transactions under the capital account remain subject to limitations and require approvals from, or registration with, SAFE and other
relevant Chinese governmental authorities. This could affect our ability to obtain foreign currency through debt or equity financing for
our subsidiaries.

Recent litigation and negative publicity surrounding China-based companies listed in the U.S. may result in increased regulatory
scrutiny of us and negatively impact the trading price of our ordinary shares and could have a material adverse effect upon our
business, including its results of operations, financial condition, cash flows and prospects.

We believe that litigation and negative publicity surrounding companies with operations in China that are listed in the U.S.

have negatively impacted stock prices for such companies. Various equity-based research organizations have published reports on
China-based companies after examining, among other things, their corporate governance practices, related party transactions, sales
practices and financial statements that have led to special investigations and stock suspensions on national exchanges. Any similar
scrutiny of us, regardless of its lack of merit, could result in a diversion of management resources and energy, potential costs to defend
ourselves against rumors, decreases and volatility in our ordinary share trading price, and increased directors and officers insurance
premiums and could have a material adverse effect upon our business, including its results of operations, financial condition, cash
flows and prospects.

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The audit report included in this annual report on Form 20-F is prepared by auditors who are not inspected fully by the Public
Company Accounting Oversight Board, or PCAOB, and, as such, our shareholders are deprived of the benefits of such inspection.

As an auditor of companies that are publicly traded in the U.S. and a firm registered with the PCAOB, Ernst & Young Hua

Ming LLP is required under the laws of the U.S. to undergo regular inspections by the PCAOB. However, because we have substantial
operations within China, a jurisdiction where the PCAOB is currently unable to conduct inspections without the approval of the
Chinese government authorities, our auditor and its audit work is not currently inspected fully by the PCAOB.

Inspections of other auditors conducted by the PCAOB outside China have at times identified deficiencies in those auditors’

audit procedures and quality control procedures, which may be addressed as part of the inspection process to improve future audit
quality. The lack of PCAOB inspections of audit work undertaken in China prevents the PCAOB from regularly evaluating our
auditor’s audits and its quality control procedures. As a result, shareholders may be deprived of the benefits of PCAOB inspections,
and may lose confidence in our reported financial information and procedures and the quality of our financial statements.

Proceedings instituted by the SEC against five China-based accounting firms, including our independent registered public
accounting firm, could result in our financial statements being determined to not be in compliance with the requirements of the
Exchange Act.

In December 2012, the SEC brought administrative proceedings against five accounting firms in China, including our
independent registered public accounting firm, alleging that they had refused to produce audit work papers and other documents related
to certain other China-based companies under investigation by the SEC. On January 22, 2014, an initial administrative law decision
was issued, censuring these accounting firms and suspending four of these firms from practicing before the SEC for a period of six
months. The decision is neither final nor legally effective unless and until reviewed and approved by the SEC. On February 12, 2014,
four of these China-based accounting firms appealed to the SEC against this decision. In February 2015, each of the four China-based
accounting firms, including our independent registered public accounting firm, agreed to a censure and to pay a fine to the SEC to
settle the dispute and avoid suspension of their ability to practice before the SEC. These firms’ ability to continue to serve all their
respective clients is not affected by the settlement. The settlement requires these firms to follow detailed procedures to seek to provide
the SEC with access to Chinese firms’ audit documents via the China Securities Regulatory Commission. If these firms do not follow
these procedures, the SEC could impose penalties such as suspensions, or it could restart the administrative proceedings. The
settlement did not require these firms to admit to any violation of law and preserves these firms’ legal defenses in the event the
administrative proceeding is restarted. In the event that the SEC restarts the administrative proceedings, depending upon the final
outcome, listed companies in the U.S. with major Chinese operations may find it difficult or impossible to retain auditors with respect
to their operations in China, which could result in financial statements being determined not to be in compliance with the requirements
of the Exchange Act, including possible delisting. Moreover, any negative news about the proceedings against these audit firms may
cause investor uncertainty regarding China-based, U.S.-listed companies and the market price of our ordinary shares may be adversely
affected.

If our independent registered public accounting firm was denied, even temporarily, the ability to practice before the SEC and
we were unable to timely find another registered public accounting firm to audit and issue an opinion on our financial statements, our
financial statements could be determined not to be in compliance with the requirements of the Exchange Act. Such a determination
could ultimately lead to delisting of our ordinary shares from the Nasdaq Capital Market or deregistration from the SEC, or both, which
would substantially reduce or effectively terminate the trading of our ordinary shares in the U.S. Moreover, any negative news about
the proceedings against these audit firms may adversely affect investor confidence in companies with substantial mainland China-based
operations listed in the U.S. All these would materially and adversely affect the market price of our ordinary shares and substantially
reduce or effectively terminate the trading of our ordinary shares in the U.S.

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Risks Related to Our Ordinary Shares

The trading prices of our ordinary shares are likely to be volatile, which could result in substantial losses to you.

The trading price of our ordinary shares is likely to be volatile and could fluctuate widely in response to a variety of factors,

many of which are beyond our control. In addition, the performance and fluctuation of the market prices of other companies with
business operations located mainly in China that have listed their securities in the U.S. may affect the volatility in the price of and
trading volumes for our ordinary shares. Some of these companies have experienced significant volatility. The trading performances of
these Chinese companies’ securities at the time of or after their offerings may affect the overall investor sentiment towards other
Chinese companies listed in the U.S. and consequently may impact the trading performance of our ordinary shares.

In addition to market and industry factors, the price and trading volume for our ordinary shares may be highly volatile for

specific business reasons, including:

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announcements of regulatory approval or a complete response letter, or specific label indications or patient populations
for the use of our product candidates, or changes or delays in the regulatory review process;

announcements of therapeutic innovations or new products by us or our competitors;

adverse actions taken by regulatory agencies with respect to our clinical trials, manufacturing supply chain or sales and
marketing activities;

any adverse changes to our relationship with manufacturers or suppliers;

the results of our testing and clinical trials;

the results of our efforts to acquire or license additional product candidates;

variations in the level of expenses related to our existing product candidates or preclinical studies and clinical trials;

any intellectual property infringement actions in which we may become involved;

announcements concerning our competitors or the pharmaceutical industry in general;

achievement of expected product sales and profitability;

• manufacturing, supply or distribution shortages;

•

•

•

•

•

•

•

•

variations in our results of operations;

announcements about our earnings that are not in line with analyst expectations;

publication of operating or industry metrics by third parties, including government statistical agencies, that differ from
expectations of industry or financial analysts;

research reports and changes in financial estimates by securities research analysts;

announcements made by us or our competitors of new product and service offerings, acquisitions, strategic relationships,
joint ventures or capital commitments;

press reports, whether or not true, about our business;

additions to, or departures of, our management;

fluctuations of exchange rates between the RMB and the U.S. dollar;

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•

•

•

•

•

•

release or expiry of lock-up or other transfer restrictions on our outstanding ordinary shares;

sales or perceived potential sales of additional ordinary shares;

sales of our ordinary shares by us, our executive officers and directors or our shareholders in the future;

general economic and market conditions and overall fluctuations in the U.S. equity markets;

changes in accounting principles; and

changes or developments in the Chinese or global regulatory environment.

Any of these factors may result in large and sudden changes in the volume and trading price of our ordinary shares. In the
past, following periods of volatility in the market price of a company’s securities, shareholders have often instituted securities class
action litigation against that company. If we are involved in a class action suit, it could divert the attention of management, and, if
adversely determined, have a material adverse effect on our financial condition and results of operations.

In addition, the stock market, in general, and small pharmaceutical and biotechnology companies have experienced extreme

price and volume fluctuations that have often been unrelated or disproportionate to the operating performance of these companies.
Broad market and industry factors may negatively affect the market price of our ordinary shares, regardless of our actual operating
performance. Further, factors related to financial markets beyond our control may cause our ordinary shares price to decline rapidly and
unexpectedly.

Sales or the availability for sales of substantial amounts of our ordinary shares in the public market could cause the price of our
ordinary shares to decline significantly.

Sales of our ordinary shares or other equity securities in the public market, or the perception that these sales could occur,

could cause the market price of our ordinary shares to decline significantly. As of March 25, 2019, we had 23,184,612 ordinary shares
outstanding. Among these shares, 1,650,973 ordinary shares have been registered under the Securities Act and are freely transferable
by persons other than our “affiliates” without restriction or registration; the remaining shares outstanding have not been registered
under the Securities Act and may be offered or sold only pursuant to an effective registration statement or pursuant to an available
exemption from the registration requirements. If these shares are sold, or if it is perceived that they will be sold, in the public market,
the trading price of our ordinary shares could decline.

Nereus Trust, a holder of our ordinary shares, has the right to cause us to register under the Securities Act the sale of its

shares. Registration of these shares under the Securities Act would result in these shares becoming freely tradable without restriction
under the Securities Act immediately upon the effectiveness of the registration. Sales of these registered shares in the public market
could cause the price of our ordinary shares to decline significantly.

Because we do not expect to pay dividends in the foreseeable future, you must rely on price appreciation of the ordinary shares for
return on your investment.

We intend to retain most, if not all, of our available funds and earnings to fund the development and growth of our business.
As a result, we do not expect to pay any cash dividends in the foreseeable future. Therefore, you should not rely on an investment in
our ordinary shares as a source for any future dividend income.

Our board of directors has significant discretion as to whether to distribute dividends. Our shareholders may, by ordinary

resolution, declare dividends, but no dividend shall exceed the amount recommended by our board of directors. Even if our board of
directors decides to declare and pay dividends, the timing, amount and form of future dividends, if any, will depend on, among other
things, our future results of operations and cash flow, our capital requirements and surplus, the amount of distributions, if any, received
by us from our subsidiaries, our financial condition, contractual restrictions and other factors deemed relevant by our board of
directors. Accordingly, the return on your investment in our ordinary shares will likely depend entirely upon any future price
appreciation of the ordinary shares. Our ordinary shares may not appreciate in value or even maintain the price at which you purchased
the ordinary shares. You may not realize a return on your investment in the ordinary shares, and you may even lose your entire
investment in the ordinary shares.

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We are a Cayman Islands exempted company. Because judicial precedent regarding the rights of shareholders is more limited
under Cayman Islands law than under U.S. law, shareholders may have fewer shareholder rights than they would have under U.S.
law.

Our corporate affairs are governed by our amended and restated memorandum and articles of association (as may be amended

from time to time), the Companies Law (as may be amended from time to time) of the Cayman Islands and the common law of the
Cayman Islands, or the Companies Law. The rights of shareholders to take action against the directors, actions by minority
shareholders and the fiduciary responsibilities of our directors are to a large extent governed by the common law of the Cayman
Islands. The common law of the Cayman Islands is derived in part from comparatively limited judicial precedent in the Cayman
Islands as well as from English common law, the decisions of those courts are persuasive, but not binding, on a court in the Cayman
Islands. The rights of our shareholders and the fiduciary responsibilities of our directors under Cayman Islands law are not as clearly
established as they would be under statutes or judicial precedent in some jurisdictions in the U.S. In particular, the Cayman Islands has
a less developed body of securities law than the U.S. Some states in the U.S., such as Delaware, have more fully developed and
judicially interpreted bodies of corporate law than the Cayman Islands. In addition, Cayman Islands companies may not have standing
to initiate a shareholder derivative action in a federal court of the United States

In addition, as shareholders of a Cayman Islands exempted company, our shareholders have no general rights under Cayman
Islands law to inspect corporate records (other than the memorandum and articles of association), or to obtain a copy of our register of
members. Our directors have discretion under our amended and restated articles of association to determine whether or not, and under
what conditions, our corporate records may be inspected by our shareholders, but are not obliged to make them available to our
shareholders. This may make it more difficult for you to obtain the information needed to establish any facts necessary for a
shareholder motion or to solicit proxies from other shareholders in connection with a proxy contest. As a Cayman Islands exempted
company, we may not have standing to initiate a derivative action in a federal court of the U.S. As a result, you may be limited in your
ability to protect your interests if you are harmed in a manner that would otherwise enable you to sue in a U.S. federal court. In
addition, shareholders of Cayman Islands companies may not have standing to initiate a shareholder derivative action in U.S. federal
courts.

As a result of all of the above, public shareholders may have more difficulty in protecting their interests in the face of actions
taken by management, members of the board of directors or controlling shareholders than they would as public shareholders of a U.S.
company.

You may face difficulties in protecting your interests, and your ability to protect your rights through the U.S. federal courts may be
limited because we are incorporated under Cayman Islands law, and some of our directors reside outside the U.S.

We are incorporated as an exempted company in the Cayman Islands. Some of our directors reside outside the U.S. and a

substantial portion of their assets are located outside of the U.S. As a result, it may be difficult or impossible for you to bring an action
against us or against these individuals in the Cayman Islands or in China in the event that you believe that your rights have been
infringed under the securities laws of the U.S. or otherwise. Even if you are successful in bringing an action of this kind, the laws of the
Cayman Islands and China may render you unable to enforce a judgment against our assets or the assets of our directors and officers.
There is no statutory recognition in the Cayman Islands of judgments obtained in the U.S. or China, although the courts of the Cayman
Islands will generally recognize and enforce a foreign money judgment of a foreign court of competent jurisdiction without
reexamination of the merits of the underlying disputes provided that such judgment (i) imposes on the judgment debtor a liability to
pay a liquidated sum for which the judgment has been given; (ii) is final; (iii) is not in respect of taxes, a fine or penalty; and (iv) was
not obtained in a manner and is not of a kind the enforcement of which is contrary to natural justice or the public policy of the Cayman
Islands.

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Our corporate actions are substantially controlled by our directors, executive officers and other principal shareholders, who can
exert significant influence over important corporate matters, which may reduce the price of our ordinary shares and deprive you of
an opportunity to receive a premium for your ordinary shares.

Our directors, executive officers and principal shareholders beneficially owned approximately 71.5% of our outstanding

ordinary shares as of March 25, 2019. Lan Huang, our CEO, and Mr. Linqing Jia, our major shareholder also beneficially own the 40%
equity interest of Wanchun Bulin that we do not currently own. These shareholders, if acting together, could exert substantial influence
over matters such as electing directors and approving material mergers, acquisitions or other business combination transactions. This
concentration of ownership may also discourage, delay or prevent a change in control of our company, which could have the dual effect
of depriving our shareholders of an opportunity to receive a premium for their shares as part of a sale of our company and reducing the
price of our ordinary shares. These actions may be taken even if they are opposed by our other shareholders, including the holders of
our ordinary shares. In addition, these persons could divert business opportunities away from us to themselves or others.

We incur increased costs as a result of operating as a public company, and our management is required to devote substantial time to
new compliance initiatives and corporate governance practices.

As a public company, we incur significant legal, accounting and other expenses. The Sarbanes-Oxley Act, the Dodd-Frank

Wall Street Reform and Consumer Protection Act, the listing requirements of the Nasdaq Capital Market and other applicable securities
rules and regulations impose various requirements on public companies, including establishment and maintenance of effective
disclosure and financial controls and corporate governance practices. Our management and other personnel devote a substantial amount
of time to these compliance initiatives.

Under Section 404 of the Sarbanes-Oxley Act, we are required to furnish a report by our management on our internal control
over financial reporting for the year ending December 31, 2018. However, while we remain an emerging growth company, we will not
be required to include an attestation report on internal control over financial reporting issued by our independent registered public
accounting firm. To achieve compliance with Section 404 of the Sarbanes-Oxley Act, we have engaged in a process to document and
evaluate our internal control over financial reporting, which is both costly and challenging. In this regard, we continue to dedicate
internal resources, potentially engage outside consultants and adopt a detailed work plan to assess and document the adequacy of
internal control over financial reporting, continue steps to improve control processes as appropriate, validate through testing that
controls are functioning as documented and implement a continuous reporting and improvement process for internal control over
financial reporting. Despite our efforts, we may not be able to conclude, within the prescribed timeframe or at all, that our internal
control over financial reporting is effective as required by Section 404 of the Sarbanes-Oxley Act. If we identify one or more material
weaknesses, it could result in an adverse reaction in the financial markets due to a loss of confidence in the reliability of our financial
statements.

We are an “emerging growth company” and are availing ourselves of reduced disclosure requirements applicable to emerging
growth companies, which could make our ordinary shares less attractive to investors.

We are an “emerging growth company,” as defined in the JOBS Act, and we intend to take advantage of certain exemptions

from various reporting requirements that are applicable to other public companies that are not “emerging growth companies” including
not being required to comply with the auditor attestation requirements of Section 404(b) of the Sarbanes-Oxley Act, and exemptions
from the requirements of holding a nonbinding advisory vote on executive compensation and shareholder approval of any golden
parachute payments not previously approved. We cannot predict if investors will find our ordinary shares less attractive because we
may rely on these exemptions. If some investors find our ordinary shares less attractive as a result, there may be a less active trading
market for our ordinary shares and the price of our ordinary shares may be more volatile. We may take advantage of these reporting
exemptions until we are no longer an emerging growth company. We will remain an emerging growth company until the earliest of (1)
the last day of the fiscal year in which we have a total annual gross revenue of $1.07 billion or more; (2) the last day of our fiscal year
following the fifth anniversary of March 14, 2017; (3) the date on which we have issued more than $1.0 billion in nonconvertible debt
during the previous three years; and (4) the date on which we are deemed to be a large accelerated filer under the rules of the SEC.

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As a foreign private issuer, we are exempt from a number of rules under the U.S. securities laws and are permitted to file less
information with the SEC than a U.S. company. This may limit the information available to holders of our ordinary shares.

We are a “foreign private issuer,” as defined in the SEC’s rules and regulations and, consequently, we are not subject to all of
the disclosure requirements applicable to public companies organized within the U.S. For example, we are exempt from certain rules
under the Exchange Act, that regulate disclosure obligations and procedural requirements related to the solicitation of proxies, consents
or authorizations applicable to a security registered under the Exchange Act, including the U.S. proxy rules under Section 14 of the
Exchange Act. In addition, our officers and directors are exempt from the reporting and “short-swing” profit recovery provisions of
Section 16 of the Exchange Act and related rules with respect to their purchases and sales of our securities. Moreover, we are not
required to file periodic reports and financial statements with the SEC as frequently or as promptly as U.S. domestic issuers and will
not be required to file quarterly reports on Form 10-Q or current reports on Form 8-K under the Exchange Act. Accordingly, there is
less publicly available information concerning our company than there would be if we were not a foreign private issuer.

As a foreign private issuer, we are permitted to adopt certain home country practices in relation to corporate governance matters
that differ significantly from the Nasdaq Capital Market corporate governance listing standards. These practices may afford less
protection to shareholders than they would enjoy if we complied fully with corporate governance listing standards.

As a foreign private issuer listed on the Nasdaq Capital Market, we are subject to corporate governance listing standards.

However, rules permit a foreign private issuer like us to follow the corporate governance practices of its home country. Certain
corporate governance practices in the Cayman Islands, which is our home country, may differ significantly from corporate governance
listing standards. For example, under Cayman Islands law, we are not required to hold annual shareholders meetings every year, and we
follow home country practice with respect to annual meetings and did not hold an annual meeting of shareholders in 2018. We will,
however, hold annual shareholders meetings in the future if there are matters that require shareholders’ approval.

Currently, we fully comply and intend to continue to fully comply with the Nasdaq Capital Market corporate governance

listing standards. In addition, other than the annual meeting practice described above, there are no significant differences between our
corporate governance practices and those followed by U.S. domestic companies under Nasdaq Stock Market Rules. However, we may
in the future choose to follow certain home country practice. Therefore, our shareholders may be afforded less protection than they
otherwise would have under corporate governance listing standards applicable to U.S. domestic issuers.

We may lose our foreign private issuer status in the future, which could result in significant additional costs and expenses.

While we currently qualify as a foreign private issuer, the determination of foreign private issuer status is made annually on

the last business day of an issuer’s most recently completed second fiscal quarter and, accordingly, the next determination will be made
with respect to us on June 30, 2019.

In the future, we would lose our foreign private issuer status if we fail to meet the requirements necessary to maintain our
foreign private issuer status as of the relevant determination date. For example, if more than 50% of our securities are held by U.S.
residents and more than 50% of the members of our management or members of our board of directors are residents or citizens of the
U.S., we could lose our foreign private issuer status.

The regulatory and compliance costs to us under U.S. securities laws as a U.S. domestic issuer may be significantly more than

the costs we incur as a foreign private issuer. If we are not a foreign private issuer, we will be required to file periodic reports and
registration statements on U.S. domestic issuer forms with the SEC, which are more detailed and extensive in certain respects than the
forms available to a foreign private issuer. We would be required to modify certain of our policies to comply with corporate governance
practices associated with U.S. domestic issuers. In addition, we may lose our ability to rely upon exemptions from certain corporate
governance requirements on U.S. stock exchanges that are available to foreign private issuers, such as exemptions from procedural
requirements related to the solicitation of proxies.

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We may be at an increased risk of securities class action litigation.

Historically, securities class action litigation has often been brought against a company following a decline in the market price

of its securities. This risk is especially relevant for us because biotechnology and biopharmaceutical companies have experienced
significant share price volatility in recent years. If we were to be sued, it could result in substantial costs and a diversion of
management’s attention and resources, which could harm our business.

It is likely that we will be classified as a passive foreign investment company, or PFIC, which could result in adverse U.S. federal
income tax consequences for U.S. shareholders.

Generally, if for any taxable year 75% or more of our gross income is passive income, or at least 50% of our assets are held

for the production of, or produce, passive income, we will be characterized as a PFIC for U.S. federal income tax purposes. There can
be no assurance that we will not be considered a PFIC for any taxable year, and based on our current business plans and financial
expectations, it is likely that we will in fact be a PFIC for the current taxable year and in future taxable years. If we are characterized as
a PFIC, our U.S. shareholders may suffer adverse tax consequences, including having gains realized on the sale of our ordinary shares
treated as ordinary income, rather than capital gain, losing the preferential rate applicable to dividends received on our ordinary shares
by individuals who are U.S. shareholders and having interest charges apply to distributions by us and the proceeds of sales of our
shares. For further information on such U.S. tax implications, see “Item 10. Additional Information—E. Taxation—U.S. Federal
Income Tax Considerations.”

The Internal Revenue Service, or the IRS, may not agree with the conclusion that we should not be treated as a U.S. corporation for
U.S. federal income tax purposes.

Under current U.S. federal income tax law, a corporation is generally considered a tax resident in the jurisdiction of its

organization or incorporation. Thus, as a corporation organized under the laws of the Cayman Islands, we should generally be
classified as a non-U.S. corporation (and therefore a non-U.S. tax resident) for U.S. federal income tax purposes. In certain
circumstances, however, section 7874 of the Internal Revenue Code of 1986, or the Code, may cause a corporation organized outside
the United States to be treated as a U.S. corporation (and, therefore, a U.S. tax resident) unless one or more exceptions apply.

In July 2015, we completed an internal restructuring. As part of the internal restructuring, we executed certain transactions

that implicated section 7874 of the Code. Nonetheless, under the rules that apply to transactions that occurred in July 2015, we believe
that the internal restructuring qualified for certain exceptions that operate to prevent the application of section 7874 of the Code and,
therefore, we do not expect to be treated as a U.S. corporation for U.S. federal income tax purposes. For a more detailed discussion, see
“Item 10. Additional Information—E. Taxation—U.S. Federal Income Tax Considerations—Tax Residence of BeyondSpring Inc. for
U.S. Federal Income Tax Purposes.”

Notwithstanding, the application of section 7874 of the Code and its various exceptions is complex and subject to factual and
legal uncertainties. Moreover, changes to section 7874 of the Code or the U.S. Treasury regulations promulgated thereunder (or other
relevant provisions of U.S. federal income tax law), which may be given prospective or retroactive effect, could adversely affect our
status as a non-U.S. corporation for U.S. federal income tax purposes. As a result, there can be no assurance that the IRS will agree
with the position that we should not be treated as a U.S. corporation for U.S. federal income tax purposes.

If we were to be treated as a U.S. corporation for U.S. federal income tax purposes, we would be subject to U.S. corporate

income tax on our worldwide income and the income of our non-U.S. subsidiaries would be subject to U.S. tax when repatriated (with
a deduction available for the foreign-source portion of such income) or when deemed recognized under the U.S. federal income tax
rules for controlled foreign subsidiaries. Finally, any deferred foreign income of our non-U.S. subsidiaries that was not previously
subject to U.S. taxation, determined as of November 2, 2017 or December 31, 2017 (whichever amount is greater), would be subject to
a “transition tax” imposed under recently enacted U.S tax reform legislation. Moreover, the gross amount of any dividends paid by us
to a non-U.S. shareholder would be subject to U.S. withholding tax at a rate of 30% unless the non-U.S. shareholder is eligible for an
exemption or reduced withholding rate under an applicable income tax treaty.

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For a more detailed discussion regarding the internal restructuring and the application of section 7874 of the Code, see “Item

10. Additional Information—E. Taxation—U.S. Federal Income Tax Considerations—Tax Residence of BeyondSpring Inc. for U.S.
Federal Income Tax Purposes.”

Item 4.

Information on the Company

A.

History and Development of the Company

BeyondSpring Inc. was incorporated as an exempted company under the laws of the Cayman Islands on November 21, 2014.

In July 2015, we completed our internal restructuring.

Our principal executive offices are located at 28 Liberty Street, 39th Floor, New York, NY 10005 and our telephone number is

+1 (646) 305-6387. Our registered office in the Cayman Islands is located at the offices of Harneys Fiduciary (Cayman) Limited,  4th
Floor, Harbour Place, 103 South Church Street, P.O. Box 10240, Grand Cayman KY1-1002, Cayman Islands. Our agent for service of
process in the U.S. is CT Corporation System located at 111 Eighth Avenue, New York, New York 10011. Our website is
www.beyondspringpharma.com. The information contained on, or that can be accessed through, our website does not constitute part of
this annual report on Form 20-F and is not incorporated by reference herein.

Initial Public Offering, Concurrent Private Placement and Subsequent Financing

In March 2017, we completed our initial public offering and the concurrent private placement, in which we received net
proceeds of $47.2 million from selling 174,286 ordinary shares in the initial public offering and selling 2,541,048 ordinary shares in the
current private placement, after deducting underwriting discounts and commissions, fees and expenses. Our ordinary shares are listed
on the NASDAQ Capital Market under the symbol “BYSI”.

In May 2018, we entered into various agreements with certain third-party investors to issue 739,095 ordinary shares with a par

value $0.0001 per share for an aggregate cash consideration of $20.0 million or $27.06 per ordinary share. To date, we received $14.0
million from the financing. We do not expect to receive the remaining $6.0 million in the near future.

B.

Business Overview

Overview

We are a global clinical stage biopharmaceutical company focused on the development and commercialization of innovative

immuno-oncology cancer therapies. Our lead asset, Plinabulin, is being studied in late stage clinical trials as an anti-cancer agent in
combination with docetaxel in advanced non-small cell lung cancer, or NSCLC, and for its potential benefit in the prevention of high
and intermediate risk chemotherapy-induced neutropenia, or CIN. Plinabulin is also currently being studied in two investigator-
initiated trials for its therapeutic potential in combination with various immuno-oncology agents, including in combination with
nivolumab for the treatment of NSCLC at UCSD, the Fred Hutchinson Cancer Research Center, or the Fred Hutchinson Center, and the
University of Washington and in combination with programmed cell death protein 1, or PD-1, and CTLA-4 antibodies for the treatment
of small cell lung cancer, or SCLC, at the Rutgers University. We own global rights to Plinabulin in all countries except China. We own
a 60% interest in our China subsidiary, which subsequently owns 100% of the rights to Plinabulin in China. We are also developing
three small molecule immune agents, currently in preclinical stages, and a drug development platform using ubiquitin mediated protein
degradation pathway.

Plinabulin is a marine-derived small-molecule with a number of distinct immune activities that may provide multiple
therapeutic opportunities. We believe Plinabulin has the potential for an overall superior product profile in the prevention of both high
and intermediate risk CIN. CIN is a significant cause of morbidity and mortality in cancer patients as well as significant factor in the
interruption in chemotherapy. G-CSFs, the predominant therapy in the CIN space, had annual worldwide sales of over $9.3 billion
during the twelve months ended June 30, 2018, but are limited by their inability to adequately address CIN, burdensome side effects
and dosing inconvenience. In preclinical studies, Plinabulin increased the survival of neutrophils, a type of white blood cell important
in the prevention of bacterial infections.

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We believe that Plinabulin has direct anti-tumor effects. In the Phase 2 portion of a Phase 1/2 clinical trial in 163 advanced

NSCLC patients, or Study 101, the addition of Plinabulin to a standard regimen of docetaxel increased anti-tumor activity compared to
docetaxel monotherapy in a subset of patients with measureable lung lesions. In June 2016, we initiated Study 103, a Phase 3 trial in
the U.S., China and Australia of Plinabulin in combination with docetaxel in patients with advanced NSCLC. We reached the first pre-
specified interim analysis at a death event of 146 patients and the Data and Safety Monitoring Board, or DSMB, recommended the trial
to continue. As of the date of this annual report on Form 20-F, Study 103 has enrolled over 400 patients in a 554-patient trial.

Plinabulin’s effect in preventing CIN has been demonstrated in four clinical trials so far, namely Study 101, Study 103, Study

105 and Study 106.

In the Phase 2 portion of Study 101, the addition of Plinabulin to a standard regimen of docetaxel, a commonly used type of
chemotherapy, led to a statistically significant reduction in the incidence of grade 3 and 4 neutropenia (p<0.0003), an abnormally low
blood concentration of neutrophils.

In Study 103, a Phase 3 study for NSCLC, we evaluated 138 patients on a secondary endpoint of grade 4 neutropenia

reduction in cycle 1 day 8 (lowest neutrophil account in a cycle due to docetaxel treatment) and demonstrated Plinabulin’s ability to
reduce docetaxel induced grade 4 neutropenia in NSCLC patients (p<0.0001). As part of our registration program for CIN, Plinabulin
has been studied in two Phase 2/3 clinical trials, the first for the reduction of CIN caused by intermediate risk chemotherapy, composed
solely of Taxotere (docetaxel), in NSCLC, breast cancer and prostate cancer patients (Study 105), and the second for the reduction of
CIN caused by high risk chemotherapy, a myelosuppressive chemotherapeutic regimen composed of three agents, Taxotere (docetaxel),
Adriamycin (doxorubicin) and Cytoxan (cyclophosphamide), or TAC, in breast cancer patients (Study 106).

In the Phase 2 portion of Study 105, 55 NSCLC patients treated with Plinabulin reported better safety, including less bone

pain, and had comparable absolute neutrophil count profiles (a measure of neutrophils per unit of blood that is calculated from
measurements of the total number of white blood cells and bands, or immature neutrophils) and comparable durations of severe
neutropenia (DSN) and neutropenia reduction compared to patients treated with Neulasta. Neulasta (pegfilgrastim) is a type of long-
lasting G-CSF, which is the current standard of care for the prevention of high-risk CIN with annual global sales of approximately $7.0
billion. The Phase 2 portion of Study 105 also demonstrated that Plinabulin reduced thrombocytopenia, whereas Neulasta did not.
Thrombocytopenia, a frequent side effect of chemotherapy, is the lowering of platelet counts that, when severe, leads to bleeding and
anemia and can require transfusion with platelets and in severe cases can lead to cessation of chemotherapy. In addition, the data
showed that Plinabulin has a superior immune profile compared to Neulasta based on promyelocytes and immature neutrophil data
from the clinical study. The results of the Phase 2 portion of Study 105 established the recommended dose for the Phase 3 portion of
the study. We enrolled approximately 105 patients for the Phase 3 portion of Study 105. In December 2018, we announced that the
Phase 3 portion of Study 105 had met its primary endpoint of non-inferiority versus Neulasta for the DSN of the first cycle, with
statistical significance in a pre-specified interim analysis. This conclusion was confirmed at the DSMB meeting, chaired by Dr.
Crawford, Chairman of the National Comprehensive Cancer Network, or NCCN, Guidelines for Neutropenia Management in the U.S.

In the Phase 2 portion of Study 106, in approximately 115 breast cancer patients, Plinabulin in combination with 6 mg
Neulasta (Plinabulin/Neulasta Combo) was shown to lead to a clinically meaningful reduction of the duration of grade 3 and 4
neutropenia, a statistically significant reduction of grade 3 and 4 neutropenia and bone pain, and less immune suppression compared
with Neulasta monotherapy. We believe that the clinical profile of Plinabulin given prior to a G-CSF has the potential to decrease
severe neutropenia, bone pain and immune suppression, which may make it an attractive alternative to G-CSF monotherapy for the
treatment of CIN. In March 2019, we announced at ASCO-SITC Clinical Immuno-Oncology Symposium (ASCO-SITC) that new
clinical results from the Phase 2 portion of Study 106 indicated that the Plinabulin/Neulasta Combo resulted in better outcomes for CIN
treatment and also reduced Neulasta’s potential immune-suppressive phenotype.

Pending positive results in our three clinical trials, Study 103, Study 105 and Study 106, we expect to submit two NDAs in

China for Plinabulin for two separate indications in 2019.  The first is for Plinabulin in combination with docetaxel for second and third
line treatment of NSCLC. The second is for the reduction of CIN in patients undergoing chemotherapy treatment for solid tumor and
hematological cancers.  Based on our previous discussions with the Food and Drug Administration, or FDA, after finalization of all
three clinical trials, if positive results are achieved, we intend to submit NDAs in the U.S. for both NSCLC and CIN in 2020. In
December 2018, we engaged in positive pre-NDA discussions with the FDA regarding the content of chemistry, manufacturing and
control, or CMC, sections of our planned NDAs for Plinabulin for the treatment of NSCLC and for CIN prevention. These discussions
culminated with direct alignment with the FDA regarding expectations for our CMC sections of our planned NDAs for Plinabulin,
putting us on track to submit these NDAs to the FDA.

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We have a novel, highly scalable business model that integrates clinical resources in the U.S. and China. We believe that our

strategy of dual development in the U.S. and China has provided and will continue to provide significant developmental advantages
including the ability to conduct trials in China, which could result in faster enrollment, lower costs and expedited approval process, as
well as access to China’s large cancer population . Our drug development capabilities are facilitated by strong interest from clinical
investigators in the U.S. as well as by our understanding of the pharmaceutical industry, clinical resources and regulatory system in
China. In addition, this model represents significant commercial advantages for Plinabulin, as the U.S. and China are the two largest
pharmaceutical markets in the world.

Our principal executive offices are located in New York, and we also have offices in Dalian, China, a hub for pharmaceutical

companies. We are incorporated in the Cayman Islands. Our management team has deep experience and capabilities in biology,
chemistry, drug discovery, clinical development, regulatory affairs and capital markets.

Recent developments

In January 2019, we entered into a three-month RMB 20.0 million loan agreement with He’en Weiye (Shenzhen) Assets

Management Center L.P. at an annual interest rate of 15%. The loan is secured by Mr. Linqing Jia and repayable upon maturity. As of
the date of this annual report on Form 20-F, we have drawn down RMB 10.0 million pursuant to this agreement with the remaining
RMB 10.0 million expected to be drawn down in the second quarter of 2019. In April 2019, the maturity of this loan was extended to
April 20, 2020.

In March 2019, we entered into a three-year RMB 10.0 million loan agreement with China Construction Bank at an annual

interest rate of 5.7%. The loan is secured by Shenzhen Sangel Capital Management Limited Company and Mulong Liu, and repayable
upon maturity.

In April 2019, we entered into a one-year $1.0 million loan agreement with Shenzhen Sangel Zhichuang Investment Co., Ltd.

at an annual interest rate of 15%. The loan is secured by Mr. Linqing Jia and repayable upon maturity.

We are continuing to evaluate various financing strategies to support our current operations and fund our future growth,
including additional equity financings and alternative sources of debt. We cannot assure you that we will enter into any definitive
agreements in respect of any such financing transactions.

Plinabulin in Advanced NSCLC

According to the National Cancer Institute, approximately 230,000 patients are diagnosed with lung cancer in the U.S. per

year. The prognosis for patients with lung cancer is poor with a five-year survival rate of only 18.6%. Lung cancer is the leading cause
of cancer death in the U.S. and a global health problem with approximately 1.8 million cases diagnosed per year. Approximately one-
third of lung cancer patients worldwide are in China, with approximately 700,000 cases of lung cancer diagnosed in China in 2015.
These lung cancers are typically divided into two groups based upon the histologic appearance of the tumor cells—SCLC and NSCLC,
which are treated with distinct chemotherapeutic approaches. NSCLC accounts for approximately 87% of lung cancer cases. For
second and third line NSCLC patients with epidermal growth factor receptor, or EGFR, wild type (approximately 70% of Asian
patients, and 85% of Western patients), there are currently only four therapies approved with limited benefit.

Data from the Phase 2 portion of Study 101 suggest that the addition of Plinabulin to a standard regimen of docetaxel may
increase anti-tumor activity compared to docetaxel monotherapy. Specifically, a subset of 38 patients with measurable lung lesions
given a combination of docetaxel plus 30 mg/m2 Plinabulin had a median survival of 11.3 months compared to 6.7 months for 38
patients with measurable lung lesions when given docetaxel alone. In addition, the Plinabulin plus docetaxel cohort had an objective
response rate, a measure of the proportion of patients with tumor size reduction of at least 30%, of 18.4% compared to 10.5% for the
docetaxel monotherapy arm. The patients who received Plinabulin plus docetaxel also had a duration of response, the time of initial
response until documented tumor progression, of 12.7 months compared to one month for the patients who only received the docetaxel
monotherapy indicative of a positive immune response.

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While the number of patients in the subset was not large enough to demonstrate statistical significance, we and our clinical

collaborators believe these data suggest that the addition of Plinabulin to a standard regimen of docetaxel may provide a clinically
meaningful increase in anti-tumor activity compared to docetaxel monotherapy.

In June 2016, we initiated a 554-patient Phase 3 trial in the U.S., China and Australia of Plinabulin in combination with

docetaxel in patients with advanced NSCLC with measurable lung lesions, or Study 103. The primary endpoint is overall survival of
patients given a combination of Plinabulin and docetaxel compared to patients given docetaxel alone. Secondary endpoints include the
frequency and severity of neutropenia, duration of response, quality of life, response rate and progression-free survival. As of the date
of this annual report on Form 20-F, we have enrolled over 400 patients. We reached the first pre-specified interim analysis at a death
event of 146 patients and the DSMB recommended the trial to continue. A second pre-specified interim analysis is at a death event of
293 patients expected in the fourth quarter of 2019.  If p-value for the median overall survival at the second interim analysis is less or
equal to 0.012, the trial may stop early. If p-value for the median overall survival at the second interim analysis is greater than 0.012,
the study will continue and final results of the trial at a death event of 439 patients are expected to be available in 2020. If p-value for
median overall survival for the final results is less than or equal to 0.05, the study can be claimed successful.

Based upon our preliminary discussions with Chinese regulatory authorities, we believe Study 103 meets the criteria for

conditional approval of a novel drug for a life-threatening disease based upon trend data and that the efficacy data at the first interim
analysis is sufficient to demonstrate the requirements for such a trend. Therefore, we expect to submit an NDA in China for NSCLC in
2019. We anticipate admission to the conditional approval program could significantly reduce the time for NDA approval given the
severe unmet clinical needs in NSCLC. We intend to submit an NDA in the U.S. for NSCLC in 2020.

Plinabulin in Prevention of CIN

Neutropenia is an abnormally low blood concentration of neutrophils, a type of white blood cell, which may result from an

abnormal rate of destruction or a low rate of synthesis of white blood cells in bone marrow. Neutropenia is graded according to its
severity, which generally depends on neutrophil count. An absolute neutrophil count below 500 cells/mm3 (0.5 x 109 /L) is categorized
as grade 4 neutropenia and a neutrophil count between 500 and 1,000 cells/mm3 (0.5-1.0 x 109 /L) is categorized as grade 3
neutropenia. Patients with low neutrophil counts are more susceptible to bacterial infections and sepsis, which are a significant cause of
morbidity and mortality in cancer patients. According to the Centers for Cancer Prevention and Control, more than 60,000 patients are
hospitalized each year in the U.S. for neutropenia associated with fever, which represents a growth opportunity for products that can
deliver improved outcomes in the CIN space. The mortality rate of these patients is between 9% and 18%.

Neutropenia represents a key limitation associated with most chemotherapies, including docetaxel. Docetaxel is one of the

prescribed chemotherapies and has been approved in the U.S. for NSCLC, head and neck cancer, gastric cancer, breast cancer and
prostate cancer. Docetaxel has known side effects that include nausea, vomiting, fatigue, weakness, shortness of breath and
neutropenia. The current standard of care for neutropenia is biologic drugs based on G-CSF, a human growth factor that stimulates the
proliferation, differentiation and maturation of neutrophils, which was first approved in the early 1990s. While monotherapy G-CSF
reduces DSN, it cannot be given on the same day as chemotherapy and the expansion of bone marrow generated by monotherapy G-
CSF causes bone pain. According to post-marketing patient surveys, between 59% and 71% of patients report having experienced bone
pain and, of those patients, about one-quarter describe the pain as severe.  The frequency and severity of the bone pain may cause some
patients to discontinue or change chemotherapy treatment.  While annual worldwide sales of G-CSF based drugs exceeded $9.3 billion
during the twelve months ended June 30, 2018, due to the risk/benefit ratio, they are restricted to treat high-risk chemotherapy patients,
which represent approximately 20% of all patients treated with chemotherapy, creating a significant growth opportunity for effective,
safe and convenient alternatives.

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In the Phase 2 portion of Study 101, the addition of Plinabulin to a standard regimen of docetaxel resulted in a statistically
significant reduction (p<0.0003) in the incidence of grade 3 and 4 neutropenia adverse events from 26% of patients in the docetaxel
monotherapy arm to 7% in the Plinabulin plus docetaxel arm based upon a retrospective analysis of the data.

In our ongoing Phase 3 trial in NSCLC, Study 103, we are also evaluating Plinabulin’s ability to reduce CIN. In Study 103,

we evaluated 138 patients on a secondary endpoint of grade 4 neutropenia reduction, which demonstrated Plinabulin’s ability to reduce
docetaxel CIN in NSCLC patients (p<0.0001). Data generated on this secondary endpoint in Study 103, along with the retrospective
data generated in Study 101, will be used as supportive efficacy and safety data in our NDA filings for Plinabulin for the treatment of
CIN.

Study 105

Based on the clinical profile observed in Study 101 and the results of the discussions between us and the FDA, we refined our

design of our two Phase 2/3 trials in CIN. The first trial, Study 105, is a Phase 2/3 trial of Plinabulin in combination with a standard
regimen of docetaxel in approximately 160 advanced breast cancer, hormone refractory prostate cancer and advanced NSCLC patients
with solid tumors in the U.S., China, Russia and the Ukraine.

The primary endpoint of this trial is non-inferiority in DSN in the first cycle of chemotherapy, compared to the standard of

care, Neulasta. DSN represents the days the patient has grade 4 neutropenia (very low white blood cell count), or how many days the
patient remains in the hospital due to a low white blood cell count. A clinically meaningful DSN is less than one day or less than one
day in the hospital. In June 2018, we presented in a poster session at the 2018 ASCO Annual Meeting that patients treated with one
dose of Plinabulin at 20 mg/m2 had the same occurrence of severe neutropenia (grade 4) as patients treated with one dose of Neulasta
(6 mg) in the first 21-day cycle. Grade 4 neutropenia occurred in 14% of patients treated with either Plinabulin or Neulasta. In addition,
patients treated with Plinabulin at 20 mg/m2 demonstrated the same DSN in the first cycle compared to those treated with Neulasta.
The DSN was 0.5 days for patients treated with either Plinabulin or Neulasta. These results established the recommended dose of 40
mg (equivalent to 20 mg/m2) for the Phase 3 portion of the trial based on a clear dose response in grade 4 neutropenia incidence and
the DSN seen in the Phase 2 portion. Additionally, in the Phase 2 portion of Study 105, Plinabulin was shown to reduce
thrombocytopenia and demonstrated a superior immune profile compared to Neulasta based on promyelocytes and immature neutrophil
data.

One of the secondary endpoints being evaluated in Study 105 is the reduction of bone pain. Bone pain is a significant issue for

this patient population and results in many patients discontinuing therapy. In the Phase 2 portion of Study 105, bone pain occurred in
fewer patients treated with Plinabulin at 20 mg/m2 (11%, or 0% from day 3) compared to patients treated with Neulasta (35%).

In September 2018, we announced at the 2018 International Association for the Study of Lung Cancer (IASLC) World

Conference that in the Phase 2 portion of Study 105, nearly half (45%) of patients who received Neulasta experienced
thrombocytopenia (any grade) in cycle 1, compared to 0% of patients who received 20 mg/m2 of Plinabulin. Plinabulin’s platelet-
protective effect also carried through all four cycles in a statistically significant manner. Clinically significant thrombocytopenia, which
is defined as a decrease in platelet counts of more than 30%, occurred less frequently in patients who received docetaxel with
Plinabulin, compared to patients who received docetaxel and Neulasta over all four cycles (p=0.019).

In December 2018, we announced at the 2018 American Society of Hematology (ASH) Annual Meeting that Plinabulin
mobilizes CD34+ progenitor cells into the peripheral blood through a MOA different than G-CSF or Plerixafor, potentially presenting a
new option for hematopoietic cell transplantation (HCT). We evaluated CD34+ cell counts in the blood by measuring CD34+ levels
pre-dose and at multiple time points through Day 8 of treatment with docetaxel, both with and without Plinabulin. CD34+
measurements were obtained in at least nine patients on both Day 0 and Day 8 for each Plinabulin dose. Patients treated with Plinabulin
had statistically significant increases in CD34+ levels at Day 8 in a dose-dependent manner (p<0.0004).

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We enrolled approximately 105 patients with advanced NSCLC, breast cancer or prostate cancer in a randomized double

blinded Phase 3 portion of Study 105. The trial has a pre-specified DSN non-inferiority margin of 0.65 days as agreed with the FDA in
the U.S. and NMPA in China to show non-inferiority in neutropenia prevention for Plinabulin as compared to Neulasta. In December
2018, we announced that the Phase 3 portion of Study 105 had met its primary endpoint of non-inferiority versus Neulasta for the DSN
of the first cycle, with statistical significance in a pre-specified interim analysis. This conclusion was confirmed at the Data and Safety
Monitoring Board (DSMB) meeting, chaired by Dr. Crawford, Chairman of NCCN Guidelines for Neutropenia Management in the
U.S.

Study 106

The second trial, Study 106, is a Phase 2/3 trial of Plinabulin in combination with a myelosuppressive chemotherapeutic

regimen composed of three agents, Taxotere (docetaxel), Adriamycin (doxorubicin) and Cytoxan (cyclophosphamide) in approximately
400 patients with solid tumors in the U.S., China, Russia and the Ukraine. The design of this trial is substantially similar to Study 105.
However, this trial also compares Plinabulin in combination with 6 mg Neulasta (Plinabulin/Neulasta Combo) to measure superiority in
efficacy as compared to Neulasta monotherapy and compares Plinabulin in combination with 3 mg Neulasta to measure non-inferiority
in efficacy and superiority in safety as compared to Neulasta monotherapy. We completed enrollment of approximately 115 patients in
the Phase 2 portion of Study 106 and we plan to enroll approximately 300 patients in the Phase 3 portion of the trial. In October 2018,
we announced that the Plinabulin/Neulasta Combo was shown to lead to clinically meaningful reduction of the duration of grade 3 and
4 neutropenia, statistically significant reduction of grade 3 and 4 neutropenia and bone pain, and less immune suppression compared
with Neulasta monotherapy in the first cycle. Additionally, the Plinabulin/Neulasta Combo presented good tolerability and no cardio-
safety issues. In March 2019, we presented at the 2019 ASCO-SITC Clinical Immuno-Oncology Symposium that combining
Plinabulin with Neulasta reverses the immune-suppressive profile of Neulasta by lowering the percentage of patients with a neutrophil-
to-lymphocyte ratio, or NLR, of less than 5 (p<0.007) or with a lymphocyte-to-monocyte ratio, or LMR, of greater than 3.2 (p<0.07)
versus Neulasta alone.

We are currently preparing to initiate the Phase 3 portion of Study 106.

Based upon our preliminary discussions with Chinese regulatory authorities, we believe our registration program for
Plinabulin for the treatment of CIN meets the criteria for conditional approval of a novel drug for a life-threatening disease based upon
clinical efficacy trend data. Thus far, over 500 cancer patients who have been dosed with Plinabulin have shown good tolerability,
which satisfies the safety database standard of both the FDA and the NMPA. Based upon such preliminary discussions with the
Chinese regulatory authorities, the Study 106 Phase 2 top line efficacy data and Study 105 Phase 3 interim efficacy data are sufficient
to demonstrate the requirements for such a trend and therefore we expect to submit an NDA in China for CIN in 2019. We anticipate
admission to the conditional approval program could significantly reduce the time for NDA approval given the severe unmet clinical
needs in CIN. Based on our grant under the national key science and technology programs and national key research & development,
or R&D, support programs, or the 2017 Grant, we believe we are well-positioned to apply for other priority review status designations.
With receipt of the 2017 Grant, Plinabulin has been included in the National Drug Review Priority List. According to the Outline of the
Thirteenth Five-Year Plan of the National Economy and Social Development of the People’s Republic of China, the government
encourages the research, development and production of new drugs, the new drugs with approval to be marketed shall enjoy priority to
be included in the National Insurance System. We believe that, pending drug approval and successful pricing negotiations with the
Chinese government, the 2017 Grant could assist with inclusion of Plinabulin in the National Insurance System, which will allow for
faster access to patients and reimbursement. We anticipate filing an NDA for Plinabulin for the treatment of CIN in the U.S. in 2020 if
the final results from Studies 105 and 106 are positive.

Plinabulin in Combination with Immuno-oncology Agents

Preclinical studies have identified some novel and intriguing activities of Plinabulin associated with stimulation of the

immune system consistent with Plinabulin’s ability to enhance the activity of other immuno-oncology agents. We have observed in
these preclinical studies that Plinabulin works at multiple early steps in the process of immune activation against cancer. In particular, it
works to activate dendritic cells and mobilize tumor antigen-specific T-cells to the tumor. Studies in animals indicate that Plinabulin
has a range of immune-enhancing effects that may be synergistic to the effects of checkpoint inhibitors, which are antibodies that
inhibit a key defense mechanism that tumors employ to avoid recognition by the immune system. In preclinical studies, Plinabulin
enhanced the anti-tumor efficacy of checkpoint inhibitors. We believe that Plinabulin in combination with nivolumab, a checkpoint
inhibitor approved for use in NSCLC and other indications, may demonstrate more anti-tumor activity than nivolumab alone without
significantly increasing toxicity. Cumulative toxicity has been a concern when nivolumab is combined with other checkpoint inhibitors.

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In September 2016, UCSD enrolled the first patient in an investigator-initiated Phase 1/2 trial of Plinabulin in combination

with nivolumab in patients with metastatic NSCLC. In addition, the Fred Hutchinson Center, together with the University of
Washington, launched an investigator-initiated Phase 1/2 trial of Plinabulin in combination with nivolumab in patients with advanced
NSCLC who have failed up to two previous therapies. The Fred Hutchinson Center study had achieved the dose regimen end point and
therefore the study site had been closed. Preliminarily safety data from these two trials were presented at the ASCO-SITC meeting in
January 2018.  In the 10 patients evaluated, the combination therapy was well tolerated, with no immune related serious adverse
events. Only two patients presented with immune related adverse events, one with a grade 1 event and the other with a grade 2 event.

In October 2018, we announced the opening of an investigator-initiated Phase 1 clinical trial with a triple combination

therapy, consisting of Plinabulin, Bristol-Myers Squibb’s PD-1 antibody, Opdivo (nivolumab), and CTLA-4 antibody, Yervoy
(ipilimumab), for the treatment of SCLC. The trial, conducted through the Big Ten Cancer Research Consortium, is currently enrolling
subjects at Rutgers Cancer Institute of New Jersey and other clinical centers in the U.S. The trial is expected to enroll approximately 15
patients in the Phase 1 portion of this Phase 1/2 combined study, and an additional 40 patients in the Phase 2 portion. This study
investigates whether the addition of Plinabulin results in a reduction of immune-related side effects of PD-1 and CTLA-4 antibodies
and if it provides efficacy synergy.

We expect Johns Hopkins University to initiate an investigator-initiated Phase 1/2 trial of Plinabulin in combination with

Merck’s PD-1 antibody, Keytruda (pembrolizumab), and platinum-based chemotherapy agents. This study will investigate whether the
addition of Plinabulin to the therapy could not only potentially add to the anti-cancer effect of PD-1 and chemotherapy, but could also
potentially result in a reduction of immune-related side effects of PD-1 antibodies as well as a reduction in CIN.

Other Programs

We have several preclinical immuno-oncology agents in development, including BPI-002, an oral CTLA-4 inhibitor; BPI-003,
an IKK inhibitor; and BPI-004, an agent which we believe may have the potential to convert cold, or poorly inflamed, tumors to hot, or
highly inflamed, tumors, thereby making the tumors more available to immunotherapy, potentially in combination approaches.

In addition, we are investigating an alternative approach to cancer treatment in which disease-causing proteins are marked for

early degradation. This approach uses a protein called a ubiquitin E3 ligase to target and promote the destruction of disease-causing
proteins, such as oncogenes. To trigger degradation, the target protein is labeled with poly-ubiquitin by a specific ubiquitin ligase
enzyme. Poly-ubiquitin acts as an indicating tag on cellular proteasome machinery, marking the target protein for destruction.

One approach to tagging the target protein uses a “molecular glue” to bind the ubiquitin ligase to the target protein. We are

collaborating with Dr. Ning Zheng, a Howard Hughes Medical Institute Investigator at the University of Washington on a unique
“molecular glue” used to selectively tag certain oncogene proteins with E3 ligase, one of the ubiquitin ligase enzymes. Dr. Huang and
Dr. Zheng were the first to discover the crystal structure of the only two classes of E3 ligases. This work forms the structural basis for
the selection of small molecules to be studied as a potential “molecular glue.” The first target protein is expected to be oncogene
KRAS. KRAS is frequently mutated in pancreas, colon, lung and uterus cancers. This novel platform technology has the potential to
significantly reduce the amount of oncogene protein in the cell and such disease-causing protein is not targeted by current therapeutic
approaches.

We plan to bring one agent, BPI-002, into clinical development in 2020, with the goal of progressing one preclinical

compound into clinical development annually.

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Additionally, we are exploring Plinabulin in the treatment of advanced NSCLC in tumors with KRAS mutations in
combination with docetaxel and in the treatment of metastatic brain tumors in combination with radiation. While we continue to be
primarily focused on the use of Plinabulin in advanced NSCLC, in CIN and in combination with immuno-oncology agents, if the
necessary resources and financing are available, we may decide to further investigate the effect of Plinabulin in RAS mutant tumors.

Our Pipeline

The following table summarizes the current status of our product development pipeline.

Our Strategy

•

Advance Plinabulin through a Phase 3 trial for NSCLC and Phase 2/3 trials for CIN by utilizing global clinical trials that
incorporate China investigators. We believe that our strategy of dual development in both the U.S. and China has provided and
will continue to provide significant advantages, including the ability to conduct trials in China with quicker enrollment and lower
costs.  In China, we conduct all of our trials under U.S. Good Clinical Practice, or GCP, guidelines but at lower cost than we would
incur in the U.S. Also, by utilizing our Chinese subsidiary to execute on this dual development strategy, we have been able to
enroll our NSCLC and CIN clinical trials more quickly than anticipated. Each year China has over five million new cancer
patients, which represents one-third of the total cancer patients in the world. Patients in China are more motivated to participate in
clinical trials because insurance coverage is not as prevalent in China as it is in the West. Additionally, China’s cancer care is still
highly centralized, primarily in the Beijing, Shanghai and Guangzhou areas and cancer patients from around the country travel to
these areas for care. Thus, our trials may benefit from faster enrollment in China based on our work with treatment centers in these
areas.

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•

•

•

•

Seek expedited approval for Plinabulin in China for NSCLC and CIN based upon interim trend data and apply for
approval in the U.S. and other countries once final data from our late stage clinical trials are completed. In October 2017,
the Chinese government announced in a broad policy that the drug regulatory authority could consider conditional approval based
on a trend of clinical patient benefit, rather than waiting for full clinical trial data for life-threatening diseases, with a focus on
novel drugs that address unmet medical needs and orphan drugs. In December 2017, the NMPA issued an exposure draft for public
comment of the Technical Guidance for Conditional Approval of Drugs with Unmet Medical Needs, which further provides the
standard of the unmet medical needs but does not provide detailed administration procedures and requirements for conditional
approval.  This guidance has not come into effect thus far. We intend to utilize this new policy to attempt to accelerate the approval
of Plinabulin in China. Pending positive interim results in our late stage clinical trials, we expect to submit two NDAs in China in
2019 for conditional approval of Plinabulin, the first for Plinabulin in combination with docetaxel for second and third line
treatment of NSCLC and the second as a treatment to reduce CIN. After finalization of our Phase 3 clinical trial for NSCLC and
our two Phase 2/3 clinical trials for the treatment of CIN, we intend to submit NDAs in the U.S. in 2020 and in other countries for
the same indications thereafter. We may also be able to benefit from fast-track regulatory status in China based on our potential
ability to file as a Category 1 drug. Additionally, we believe we are well-positioned to obtain conditional approval based on the
receipt of the 2017 Innovation Award.

Explore the potential of Plinabulin in combination with immuno-oncology agents and continue to develop a pipeline of
other immuno-oncology agents through utilization of our scientific collaborators. We are utilizing our research collaborators
to advance Plinabulin in clinical trials to investigate its therapeutic potential as an immuno-oncology agent. We also have a
pipeline of preclinical immuno-oncology product candidates and we are investigating the ubiquitin-mediated degradation pathway
in collaboration with the University of Washington.

Replicate our global clinical development plan for Plinabulin in other indications as well as with drug candidates in our
internal pipeline or acquired by in-licensing. We believe our specific advantages observed in our ongoing clinical trials in China
can serve as a template for future product candidates we might develop. Thus, we intend to leverage our Chinese subsidiary to
enable us to develop our product candidates effectively and efficiently. We will opportunistically assess potential compounds for
development or in-licensing that fit our strengths in clinical development in the U.S., China and other jurisdictions.

Partner with one or more national pharmaceutical companies or build our own sales force to commercialize Plinabulin
ourselves in China and partner with one or more global pharmaceutical companies outside of China. With receipt of the
2017 Grant, Plinabulin has the potential to be included in the National Drug Priority Review List. According to the Outline of the
Thirteenth Five-Year Plan of the National Economy and Social Development of the People’s Republic of China, the government
encourages the research, development and production of new drugs, the new drugs with approval to be marketed shall enjoy
priority to be included in the National Insurance System. We believe that, pending drug approval and successful pricing
negotiations with the Chinese government, the 2017 Grant could assist with inclusion of Plinabulin in the National Insurance
System, which would allow for faster access to patients and reimbursement. We plan to either partner with one or more national
pharmaceutical companies or build our own commercial organization for marketing Plinabulin for advanced NSCLC and in CIN in
Beijing, Shanghai and Guangzhou areas, which represent 80% of China’s geographic cancer care market. We also plan to retain a
contract sales organization for selling efforts in secondary markets in China. In the U.S. and for the rest of world, we intend to
work with one or multiple potential pharmaceutical partners for commercialization.

Plinabulin, Our Lead Drug Candidate

Plinabulin is a small molecule derived from a natural compound found in marine microorganisms. It has a number of
biological activities that may provide multiple therapeutic opportunities. A low molecular weight small molecule, Plinabulin is
relatively simple to manufacture. An advantage of natural products and their derivatives, such as Plinabulin, is that it may be difficult
for others to discover structurally distinct molecules possessing a similar array of activities.

Plinabulin has shown a number of immuno-stimulatory effects in preclinical studies in addition to previously identified

activities in destabilizing microtubule networks. Studies on its method of action indicate that Plinabulin activates GEF-H1, a guanine
nucleotide exchange factor. GEF-H1 activates downstream signal transduction pathways leading to dendritic cell maturation, T-cell
activation and other effects that prevent neutropenia such as the up-regulation of interleukin-6 in the tissue microenvironment. Other
microtubule destabilizing agents, such as the CA4P class, or microtubule stabilizing agents, such as docetaxel, do not induce dendritic
cell maturation or prevent neutropenia. The elucidation of this mechanism was a multi-year collaborative effort among BeyondSpring,
University of Basel and Massachusetts General Hospital.

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In the aggregate, as of the date of this annual report on Form 20-F, Plinabulin has been administered to over 500 patients with
advanced cancer and thus far is generally well tolerated.  We believe the data from completed and ongoing clinical trials suggest there
is a path forward for Plinabulin in the treatment of advanced NSCLC and in the prevention of and reduction in CIN.

Plinabulin for the Treatment of Advanced NSCLC

Data from Study 101 suggest that the addition of Plinabulin to a standard regimen of docetaxel may increase anti-tumor

activity compared to docetaxel monotherapy in a subset of NSCLC patients with measurable lung lesions. Based on these findings, in
June 2016, we initiated a 554-patient Phase 3 trial in the U.S., China and Australia of Plinabulin in combination with docetaxel in
patients with advanced NSCLC.

NSCLC disease overview

According to the National Cancer Institute, approximately 230,000 patients are diagnosed with lung cancer in the U.S. per

year. The prognosis for patients with lung cancer is poor with five-year survival rates of only 18.6%. Lung cancer is the leading cause
of cancer death in the U.S. and a global health problem with approximately 1.8 million cases diagnosed per year. Approximately one-
third of lung cancer patients worldwide are in China, with approximately 700,000 cases of lung cancer diagnosed in China in 2015.
These lung cancers are typically divided into two groups based upon the histologic appearance of the tumor cells—SCLC and NSCLC,
which are treated with distinct chemotherapeutic approaches. NSCLC accounts for approximately 87% of lung cancer cases. The
global NSCLC market is increasing at a rate of 15.8% per year, with estimated sales of $12.9 billion and $26.8 billion in 2020 and
2025, respectively.

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Lung cancer is typically diagnosed relatively late in its clinical course after it has metastasized to other tissues in the body. In
these advanced cases, treatment is not curative, and patients are generally treated with systemic therapies. Initial therapy is often based
on broad chemotoxic drugs such as cisplatin. Most patients, however, do not obtain a long-term benefit with the overall increase in
survival associated with the use of these drugs being only two months. Additional treatments fall into several general categories:

•

•

•

•

other chemotoxic agents, such as docetaxel or pemetrexed;

inhibitors of intracellular enzymes that have specific mutations in genes, including EGFR kinases;

agents that disrupt blood vessel formation in tumors, such as ramucirumab; and

checkpoint inhibitors, such as nivolumab.

Tyrosine Kinase inhibitors are only effective on EGFR mutant patients. EGFR wild type patients account for approximately

70% of Asian NSCLC population, and approximately 85% of Western NSCLC population. Only four therapies had been approved for
second and third line NSCLC patients with EGFR wild type.  These four therapies include PD-1/PD-L1 antibodies, pemetrexed,
docetaxel, and ramucirumab plus docetaxel, all of which has limited efficacy benefit with median overall survival of around 6-12
months.

While each of these therapies may provide significant benefit, they are also associated with specific limitations. Docetaxel, for

example, leads to neutropenia in up to 40% of patients. Pemetrexed does not have survival benefit compared to docetaxel.
Ramucirumab, which is an antiangiogenic agent that prevents or slows the formation of new blood vessels, leads to a modest increase
in overall survival (1.4 months) when used in combination with docetaxel. However, lung cancers are highly vascularized, and
bevacizumab use in NSCLC is associated with a significant risk of fatal bleeding in the lung, and this combination has a high severe
neutropenia rate at 49%. Finally, checkpoint inhibitors such as nivolumab have demonstrated remarkable activity in NSCLC but that
activity is limited to 20% of patients. Thus, despite the availability of multiple drugs to treat NSCLC, we believe there is still a need for
novel therapies in NSCLC.

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In addition, with the current change of treatment landscape, PD-1 antibody and pemetrexed (Keytruda + platinum +
pemetrexed) had been approved in the first line treatment for NSCLC, so when patients fail from this treatment (around 50%), they
cannot use PD-1 or PD-L1 antibodies or pemetrexed in the second and third line, and therefore further narrowing the treatment option
for these patients to only 2 therapies: docetaxel and ramucirumab plus docetaxel. Both therapies have limited survival benefit and very
high severe neutropenia rate, both of which Plinabulin and docetaxel combo is aimed to improve.

Phase 1/2 in advanced NSCLC (Study 101)

The primary purpose of the Phase 2 portion of the Phase 1/2 trial was to evaluate the potential anticancer effect of Plinabulin

in combination with docetaxel compared to docetaxel monotherapy in advanced NSCLC patients. The trial enrolled 163 advanced
NSCLC patients in the U.S., Australia, Argentina, Chile, Brazil and India. Patients enrolled in the trial had unresectable, locally
advanced or metastatic cancers, meaning that in some patients the disease had spread to adjacent lymph nodes if not throughout the
body. In such patients there may not be measurable lesions in the lungs.

For intent to treat population with no targeted patient selection, the trial did not meet the primary endpoint of a statistically

significant improvement in overall survival for Plinabulin in combination with docetaxel compared to docetaxel monotherapy.
However, we identified a subset of patients with measurable lung lesions in which the addition of Plinabulin to docetaxel may increase
anti-tumor activity compared to docetaxel monotherapy. The overall survival of the subset of patients with measurable lung lesions is
shown below in a plot referred to as a Kaplan-Meier plot. Each vertical drop in the curve represents the recorded death of one or more
patients. If a patient withdraws from the trial, is lost to follow up, or survives beyond the end of the trial, that patient is “censored” and
denoted by a vertical line on the curve at the time of the last reliable assessment of that patient. All patients in either trial either died or
were censored. In this subset analysis, patients in the Plinabulin plus docetaxel arm had a median overall survival of 11.3 months, while
those treated with docetaxel alone had a median overall survival of 6.7 months. Additionally, the Plinabulin plus docetaxel cohort had
an objective response rate of 18.4% compared to 10.5% for the docetaxel monotherapy arm. This subset included only 38 patients from
each arm and did not reach statistical significance (p=0.29). We believe that this was due to the small number of patients in each arm.
Additionally, the data showed that patients in the Plinabulin plus docetaxel arm had an overall survival period of between 6.7 and 15.1
months, while those treated with docetaxel alone had an overall survival period of between 6.0 and 9.8 months. This data had a 95%
confidence level, or CL, meaning that if the same patient population were to be sampled numerous times, the overall survival period of
each sample would fall within these suggested ranges approximately 95% of the time. The patients who received Plinabulin plus
docetaxel also had a duration of response, the time of initial response until documented tumor progression, of 12.7 months compared to
one month for the patients who only received the docetaxel monotherapy (p=0.049).

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Our ongoing Phase 3 trial in advanced NSCLC (Study 103)

In the fourth quarter of 2015, we initiated enrollment in Study 103, a Phase 3 trial of Plinabulin in combination with docetaxel

in advanced NSCLC patients, but decided to suspend enrollment to file amendments to the trial protocol to both increase our chances
of success in obtaining approval in advanced NSCLC and expand the potential patient population to accelerate enrollment as well as
gather data that could be used to support our NDA applications in CIN. We resumed enrollment for this trial in June 2016 in the U.S.,
China and Australia.

Study 103 is enrolling advanced or metastatic NSCLC patients that have failed at least one previous platinum-based

chemotherapy and have measurable lesions. The primary endpoint of the trial is overall survival of patients given Plinabulin in
combination with docetaxel compared to patients given docetaxel alone. Secondary endpoints will be the frequency and severity of
neutropenia, duration of response, quality of life, response rate and progression-free survival. Patients for this trial were chosen based
on our current understanding of Plinabulin’s method of action. Enrollment includes patients with advanced NSCLC who have
measurable lung lesions and will not include patients with EGFR mutations because the patient population without these mutations has
a greater unmet medical need and accounts for approximately 70% to 85% of all second line and third line lung cancer patient
populations. We have also enrolled patients who failed treatment with immuno-oncology drugs PD-1 and PD-L1. The trial is expected
to enroll approximately 554 patients, 80% of whom will be recruited at sites in China and 20% at sites in the U.S. and Australia. The
trial is single blinded and is being randomized 1:1 with one arm receiving 30 mg/m2 of Plinabulin on day one and day eight and 75
mg/m2 of docetaxel at day one of a 21-day cycle and the other receiving 75 mg/m2 docetaxel on day one of a 21-day cycle.

As of the date of this annual report on Form 20-F, we have currently enrolled over 400 patients. We reached the first pre-

specified interim analysis at a death event of 146 patients from this trial and the DSMB recommended the trial to continue. A second
pre-specified interim analysis is at a death event of 293 patients expected in the fourth quarter of 2019.  If p-value for the median
overall survival at the second interim analysis is less or equal to 0.012, the trial may stop early. If p-value for the median overall
survival at the second interim analysis is greater than 0.012, the study will continue and final results of the trial at a death event of 439
patients are expected to be available in 2020. If p-value for median overall survival for the final results is less than or equal to 0.05, the
study can be claimed successful.

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If Plinabulin in combination with docetaxel is approved as a treatment for advanced NSCLC, we believe it has the potential to

be included in the NCCN guidelines as a treatment for advanced NSCLC.

Based upon our preliminary discussions with Chinese regulatory authorities, we believe Study 103 meets the criteria for

conditional approval of a novel drug for a life-threatening disease based upon trend data and that the efficacy data at the first interim
analysis is sufficient to demonstrate the requirements for such a trend. Therefore, we expect to submit an NDA in China for NSCLC in
2019. We anticipate admission to the conditional approval program could significantly reduce the time for NDA approval given the
severe unmet clinical needs in NSCLC. We intend to submit an NDA in the U.S. for NSCLC in 2020.

Plinabulin for Prevention of CIN

CIN overview

Neutropenia is an abnormally low blood concentration of neutrophils, a type of white blood cell, which may result from an

abnormal rate of destruction or a low rate of synthesis of white blood cells in bone marrow. Neutropenia is graded according to its
severity, which generally depends on neutrophil count. An absolute neutrophil count below 500 cells/mm3 (0.5 x 109/L) is categorized
as grade 4 neutropenia and a neutrophil count between 500 and 1,000 cells/mm3 (0.5-1.0 x 109/L) is categorized as grade 3
neutropenia. Patients with low neutrophil counts are more susceptible to bacterial infections, which are a significant cause of morbidity
and mortality in cancer patients. According to the Centers for Cancer Prevention and Control, more than 60,000 patients are
hospitalized each year in the U.S. for neutropenia associated with fever, which represents a growth opportunity for products that can
deliver improved outcomes in the CIN space. The mortality rate of these patients is between 9% and 18%.

The current standard of care for neutropenia, first approved in the early 1990s, is the use of biologic drugs based on G-CSF, a

human growth factor, that stimulates the proliferation, differentiation and maturation of neutrophils. Recombinant G-CSF therapies
include filgrastim (Neupogen), a short-acting drug, and pegfilgrastim (Neulasta), a long-acting drug. Filgrastim is routinely
administered daily for up to two weeks following chemotherapy, while pegfilgrastim is typically administered once subsequent to each
chemotherapy cycle.

While annual worldwide sales of these drugs exceeded $9.3 billion during the twelve months ended June 30, 2018, they have
a number of limitations which restrict their application to the high-risk chemotherapy patients, which represent approximately 20% of
all patients treated with chemotherapy. According to the product label, G-CSF cannot be administered until at least 24 hours after
chemotherapy because neutrophils generated in response to G-CSF stimulation are susceptible to destruction by circulating
chemotherapy. This protocol is based on the observation in multiple clinical trials that patients who receive pegfilgrastim on the same
day as chemotherapy had neutropenia that lasted longer and was more severe than those who received it 24 hours later. By contrast,
Plinabulin, which we believe primarily enhances the survival of existing neutrophils rather than stimulating the production of new
neutrophils, can be administered 30 minutes to one hour following chemotherapy.

Treatment with G-CSF therapies is also associated with adverse events including bone pain, enlarged spleen, acute respiratory

distress syndrome, anaphylaxis and sickle cell disorder. According to post-marketing surveys on patients treated with Neulasta,
between 59% and 71% of patients report having experienced bone pain and, of those patients, about one-quarter describe the pain as
severe. The frequency and severity of the bone pain may cause some patients to discontinue or change chemotherapy treatment.

Given these limitations, we believe there is a significant unmet clinical need for a treatment for CIN with a more convenient

dosing schedule and without the safety concerns that limit G-CSF use. These potential advantages may increase the number of patients
receiving therapy to reduce neutropenia, which would lead to fewer hospitalizations and improvements in their quality of life.

We believe that Plinabulin’s differentiated clinical efficacy and safety profile may make it an attractive alternative to existing

G-CSF therapies.

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Phase 1/2 clinical trial (Study 101)

In Study 101, Plinabulin was studied in 163 patients in the Phase 2 portion of a Phase 1/2 trial in combination with docetaxel

in patients with advanced NSCLC, which had progressed after at least one round of prior chemotherapy and was considered to be
unresectable, locally advanced or metastatic. Retrospective analysis of data from Study 101 showed that the tolerability of the
combination of Plinabulin (20 mg/m2 or 30 mg/m2) on days one and eight of a 21-day chemotherapy cycle, and docetaxel (75 mg/m2)
on day one of the 21-day chemotherapy cycle, was generally greater than the tolerability of docetaxel (75 mg/m2) alone on day one of a
21-day cycle. The primary endpoint of this trial was overall survival and the secondary endpoints were duration of response, response
rate and progression-free survival.

The table below is a summary of certain data derived retrospectively from the Phase 2 portion of the Phase 1/2 trial. Each
figure represents the percentage of the total number of patients per arm, represented by “n”, who experienced each corresponding
event. In this clinical trial, grade 3 and 4 neutropenia occurred in 26% of patients in the docetaxel monotherapy arm, but only in 7% of
patients in the Plinabulin plus docetaxel arm (both 20 mg/m2 and 30 mg/m2 doses of Plinabulin combined). The reduction in grade 3
and 4 neutropenia adverse events in the Plinabulin plus docetaxel arm was observed across all four treatment cycles.

Certain Events
Grade 3 and 4 Neutropenia
Use of G-CSF
Sepsis
Severe infections
Docetaxel dose reduction due to toxicity

Plinabulin +
Docetaxel (n=90)   
7% (p=0.002)
10%
0%
0%
6.7%

Docetaxel
(n=73)
26%
30%
3.6%
3.6%
19.2%

The data for patients at each of the 20 mg/m2 and 30 mg/m2 doses of Plinabulin for grade 4 neutropenia, defined as absolute

neutrophil counts below 500 cells/mm3 (0.5 x 109/L) from a blood draw, are shown in the chart below.

The impact of Plinabulin was particularly pronounced in the first cycle of treatment. On day eight after treatment (but before

the second dose of Plinabulin) 33.8% of patients in the docetaxel monotherapy arm experienced grade 4 neutropenia, compared to
2.6% and 4.3% of patients in the 20 mg/m2 and 30 mg/m2 Plinabulin plus docetaxel arms, respectively, and the differences were highly
statistically significant as both p-values were less than 0.0003.

More patients in the docetaxel monotherapy arm required treatment with G-CSF than patients in the Plinabulin plus docetaxel

arm, and no patients in the Plinabulin plus docetaxel arm experienced sepsis or severe infections. In addition, fewer patients in the
Plinabulin plus docetaxel arm required their dose of docetaxel to be reduced than those patients in the docetaxel monotherapy arm.

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In addition, Plinabulin did not add additional toxicity to docetaxel’s side effects, which include, but are not limited to, nausea,

fatigue, diarrhea, constipation, anorexia, alopecia, anemia, headache, dizziness, and leukopenia. Severe transient hypertension, a
transient increase in blood pressure, did occur in approximately 20% of patients who received a 30 mg/m2 dose of Plinabulin and in
approximately 5% of patients who received a 20 mg/m2 dose of Plinabulin. Some patients were treated with an anti-hypertensive drug
such as a calcium channel blocker, and all cases of transient hypertension resolved on the same day as they occurred. Tumor pain
observed in patients receiving Plinabulin was treated with standard pain management regimens. Intestinal obstruction observed in
patients receiving Plinabulin was monitored by radiographic or ultrasound studies.

We believe that Plinabulin may be able to reduce neutropenia caused by treatment with different myelosuppressive

chemotherapeutic agents. For example, studies in animals showed that the addition of Plinabulin to myelosuppressive
chemotherapeutic agents other than docetaxel, such as cyclophosphamide, also resulted in statistically significant reduction in the loss
of absolute neutrophil counts.

We have additional data on Plinabulin’s reduction of neutropenia from our ongoing Study 103, in which we are evaluating

Plinabulin’s ability to reduce CIN as a secondary endpoint. In Study 103, we evaluated 138 patients with severe neutropenia. The study
demonstrated Plinabulin’s ability to reduce docetaxel CIN in the NSCLC patients in the study from 27.4% to 3.1% with a p-value of
less than 0.0001.

Phase 2/3 trials in prevention of CIN (Study 105 and Study 106)

Based on the preliminary safety and efficacy profile observed in the Phase 1/2 trial in NSCLC and feedback we received from

the FDA in September 2016, we refined the design of two Phase 2/3 trials of Plinabulin for the prevention of CIN.

Study 105

Study 105 is a Phase 2/3 trial of Plinabulin in combination with docetaxel in advanced breast cancer, hormone refractory

prostate cancer and advanced NSCLC patients.

The Phase 2 portion of Study 105 is a randomized open label study in 55 advanced NSCLC patients receiving a single dose of

Plinabulin per cycle 30 minutes after docetaxel chemotherapy.

In June 2018, we presented in a poster presentation at the 2018 ASCO Annual Meeting that patients treated with Plinabulin
dosed 30 minutes after docetaxel for the prevention of docetaxel CIN reported less bone pain, which was clinically meaningful, and
had comparable neutrophil counts and comparable neutropenia reduction compared to patients treated with Neulasta 24 hours after
docetaxel. These results established the recommended dose of 40 mg (equivalent to 20 mg/m2) for the Phase 3 portion of the trial based
on a clear dose response in grade 4 neutropenia incidence and the DSN as indicated in the table below.

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As shown in the graphs above, data from the Phase 2 portion of Study 105 demonstrated that Plinabulin has the potential to be

at least as effective as Neulasta for prevention of CIN and that patients treated with Plinabulin reported less bone pain, with an overall
product profile that we believe could address the limitations of the current standard of care.

Patients treated with one dose of Plinabulin at 20 mg/m2 had the same occurrence of severe neutropenia (grade 4) as patients

treated with one dose of 6 mg Neulasta in the first 21-day cycle. Grade 4 neutropenia occurred in 14% of patients treated with either
Plinabulin or Neulasta. Patients treated with Plinabulin at 20 mg/m2 demonstrated the same DSN in the first cycle compared to those
treated with Neulasta.

Bone pain, which was assessed with a validated questionnaire, occurred in fewer patients treated with Plinabulin at 20 mg/m2
(11%, or 0% from day 3) compared to patients treated with Neulasta (33%). Neulasta’s ability to treat CIN is based on its mechanistic
properties as a G-CSF that stimulates the expansion and proliferation of neutrophil precursors in the central part (medullary
compartment) of bone marrow, which may cause severe bone pain, leading to discontinuation of chemotherapy treatment. In contrast,
preclinical studies have shown that Plinabulin’s mechanism of action differs from G-CSF, allowing it to protect the neutrophil
precursors but not induce their proliferation, which may result in less bone pain compared to G-CSF.

In addition, in the Phase 2 portion of Study 105, Plinabulin at 20 mg/m2 (n=14) was shown to be effective in significantly

reducing docetaxel-induced thrombocytopenia (p<0.001 to p<0.05 over different time points in cycle 1), while Neulasta (n=14) did not
show this benefit. Nearly half (45%) of patients who received Neulasta experienced thrombocytopenia (any grade) in cycle 1,
compared to 0% of patients who received 20 mg/m2 of Plinabulin.

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As shown in the graph below, Plinabulin’s platelet-protective effect also carried through all four cycles in this study in a

statistically significant manner. Clinically significant thrombocytopenia, which is defined as a decrease in platelet counts of more than
30%, occurred much less in patients who received docetaxel and Plinabulin, compared to patients who received docetaxel and Neulasta
over all four cycles (p=0.019).

In October 2018, we announced that, based on data derived from the Phase 2 portion of Study 105, Plinabulin, in contrast to

Neulasta, did not increase NLR to immune-suppressive levels, which further highlights what we believe to be advantages of Plinabulin
compared to Neulasta.

Plinabulin was administered to patients in doses up to 20 mg/m2. We evaluated the NLR in cycle 1 for patients receiving

docetaxel with either Plinabulin 20 mg/m2 (n=14) or Neulasta 6 mg (n=14). The data shows that Plinabulin did not increase the NLR to
immune-suppressive levels. NLR values of greater than 5 are a potential immunotherapy biomarker, predicting negative outcomes such
as overall survival and progression-free-survival in cancer patients. While treatment with Neulasta resulted in significantly increased
NLR values to greater than 5, all patients treated with Plinabulin maintained mean post-dose NLR at less than 5 in cycle 1. Baseline
mean NLR values were less than 5 in both the Plinabulin and Neulasta arms. However, the mean NLR with Neulasta increased
gradually and significantly from day 7 onwards, and to a peak of 12.2 (p<0.001) on day 10. At the last time point measured (on day
15), the NLR with Neulasta was still significantly elevated (mean NLR of 8.11; p<0.001) compared with Plinabulin.

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 In addition, Plinabulin maintained median absolute neutrophil counts within normal range, whereas patients given Neulasta

experienced median absolute neutrophil counts higher than the normal range, which can potentially cause bone marrow exhaustion.
Lymphocyte counts were comparable for both the Plinabulin and Neulasta treatment arms. This provides further evidence of a different
mechanism of action with Plinabulin compared to Neulasta for CIN.

The Phase 3 portion of Study 105 is a randomized double blinded trial, in which we enrolled approximately 105 patients with
advanced NSCLC, breast cancer or prostate cancer and had one or more additional risk factors (NCCN Guidelines) placing them in the
high risk category (>20%) for developing CIN. In this Phase 3 portion of the trial, patients were randomized 1:1 and receive on day one
of a 21-day chemotherapy cycle a 75 mg/m2 dose of docetaxel in combination with either 40 mg (equivalent to 20 mg/m2) Plinabulin
or Neulasta.

The primary endpoint of the Phase 3 portion of Study 105 is non-inferiority compared to Neulasta in the DSN in the first cycle

of chemotherapy. Secondary endpoints include:

•

•

•

•

•

the incidence of CIN in subsequent cycles;

the incidence of severe neutropenia associated with fever and infections;

the incidence and duration of hospitalization due to neutropenia associated with fever;

the incidence of antibiotic use; and

the incidence, occurrence and severity of bone pain.

The trial had a pre-specified non-inferiority margin of 0.65 days (either higher or lower), as agreed upon with the FDA, for

DSN to show non-inferiority in neutropenia prevention for Plinabulin versus Neulasta.

In December 2018, we announced that the Phase 3 portion of Study 105 has met its primary endpoint of non-inferiority versus
Neulasta for the DSN of the first cycle, with statistical significance in a pre-specified interim analysis. This conclusion was confirmed
at the DSMB meeting, chaired by Dr. Crawford, Chairman of NCCN Guidelines for Neutropenia Management in the U.S.

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In December 2018, we announced at the 2018 American Society of Hematology (ASH) Annual Meeting that Plinabulin
mobilizes CD34+ progenitor cells into the peripheral blood through a MOA different than G-CSF or Plerixafor, potentially presenting a
new option for hematopoietic cell transplantation (HCT). We evaluated CD34+ cell counts in the blood by measuring CD34+ levels
pre-dose and at multiple time points through Day 8 of treatment with docetaxel, both with and without Plinabulin. CD34+
measurements were obtained in at least nine patients on both Day 0 and Day 8 for each Plinabulin dose. Patients treated with Plinabulin
had statistically significant increases in CD34+ levels at Day 8 in a dose-dependent manner (p<0.0004).

Study 106

Study 106 is a Phase 2/3 trial in approximately 400 patients of Plinabulin in combination with a myelosuppressive
chemotherapeutic regimen composed of three agents, TAC, in patients with solid breast tumors. The design of this trial is substantially
similar to Study 105. However, this trial also compares Plinabulin in combination with 6 mg Neulasta (Plinabulin/Neulasta Combo) to
measure superiority in efficacy as compared to Neulasta monotherapy and compares Plinabulin in combination with 3 mg Neulasta to
measure non-inferiority in efficacy and superiority in safety as compared to Neulasta monotherapy.

In the Phase 2 portion of Study 106, 115 patients were dosed on Neulasta on day 2, and Plinabulin on day 1, 30 minutes after

TAC in the following regiments: (1) Neulasta at 6 mg (n=21); (2) Plinabulin at 10 mg/m2 (n=15), 20 mg/m2 (n=15) and 30 mg/m2
(n=12); (3) Plinabulin at 20 mg/m2 + Neulasta at 6 mg (n=16) (the Plinabulin/Neulasta Combo), Plinabulin at 20 mg/m2 + Neulasta at
3 mg (n=21) and Plinabulin at 20 mg/m2 +  Neulasta at 1.5 mg (n=14).

Phase 2 of Study 106 indicates that Plinabulin and Neulasta have complimentary absolute neutrophil count (ANC) profile.
Plinabulin can protect ANC from dropping to grade 4 neutropenia in the first week, and Neulasta can protect ANC from dropping to
grade 4 neutropenia in the second week.

The Study also shows the Plinabulin/Neulasta Combo enhanced the ANC profile of Neulasta monotherapy. With the
Plinabulin/Neulasta Combo, median ANC stayed above grade 3 neutropenia in all days of treatment cycle, while Neulasta 6 mg alone
had median ANC below grade 3 neutropenia for 1-2 days.

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In October 2018, we announced that based on top line Phase 2 data from Study 106, the Plinabulin/Neulasta Combo was
shown to lead to clinically meaningful reduction of the duration of grade 3 and 4 neutropenia, statistically significant reduction of
grade 3 and 4 neutropenia and bone pain, and less immune suppression compared with Neulasta monotherapy. Only 50% of patients
treated with the Plinabulin/Neulasta Combo experienced grade 3 or 4 CIN, versus 81% of patients treated with Neulasta (p=0.0456).
The duration of grade 3 and 4 neutropenia was only 0.94 days for patients treated with the Plinabulin/Neulasta Combo versus 1.38 days
for patients treated with Neulasta.

The Plinabulin/Neulasta Combo also demonstrated positive safety data in the prevention of CIN. Only 6% of patients treated

with the Plinabulin/Neulasta Combo experienced at least one day of bone pain versus 95% of patients treated with Neulasta
(p<0.0001). No patients treated with the Plinabulin/Neulasta Combo experienced at least three days of bone pain, versus 38% of
patients treated with Neulasta (p=0.0056). Additionally, the Plinabulin/ Neulasta Combo presented good tolerability and no cardio-
safety issues. Moreover, only 31% of patients treated with the Plinabulin/Neulasta Combo experienced neutrophil overshoot, versus
52% of patients treated with Neulasta.

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In March 2019, we presented at the 2019 ASCO-SITC Clinical Immuno-Oncology Symposium that combining Plinabulin

with Neulasta reverses the immune-suppressive profile of Neulasta by lowering the percentage of patients with a neutrophil-to-
lymphocyte ratio (NLR) of less than 5 (p<0.007) or with a lymphocyte-to-monocyte ratio (LMR) of greater than 3.2 (p<0.07) versus
Neulasta alone.

We are currently preparing to initiate the Phase 3 portion of Study 106.

We plan to file NDAs in both the U.S. and China for a broad indication of all chemotherapies induced neutropenia in all

cancer types. In this broad product label, Plinabulin is used in the intermediate risk chemotherapy and Plinabulin in combination with a
G-CSF is used in the high risk chemotherapy.

Based upon our discussions with the NMPA, we believe Plinabulin for the treatment of CIN meets the criteria for accelerated
approval of a novel drug for a life-threatening disease. We believe the Study 106 Phase 2 top line efficacy data and Study 105 Phase 3
interim efficacy data are sufficient to demonstrate the requirements for clinical efficacy trend data required by the NMPA, and therefore
we expect to submit an NDA in China for CIN in 2019. We anticipate filing an NDA for Plinabulin for the treatment of CIN in the U.S.
in 2020.

If Plinabulin is approved as a treatment for CIN, we believe it has the potential to be included in the NCCN guidelines as a

treatment for CIN.

Plinabulin in immuno-oncology

Preclinical studies have identified some novel and intriguing activities of Plinabulin associated with stimulation of the

immune system consistent with Plinabulin’s ability to enhance the activity of other immuno-oncology agents. We have observed in
these studies that Plinabulin works at multiple early steps in the process of immune activation against cancer, in particular, to activate
and mobilize tumor antigen-specific T-cells to the tumor. The potential role of Plinabulin in stimulating the activity of other immuno-
oncology agents has been explored in several investigator-initiated Phase 1/2 trials described below.

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Overview of immuno-oncology

The immune system is capable of recognizing and eliminating tumor cells; however, tumors are sometimes able to evade the

immune response through alteration of regulatory checkpoint pathways. One of these pathways is driven by PD-1, a receptor that is
expressed on immune T-cells. Between 35% and 100% of some tumors such as melanoma, hepatocellular carcinoma, colorectal cancer
and NSCLC overexpress PD-L1, a compound naturally bound by PD-1. Binding of PD-L1 to PD-1 suppresses immune activation,
allowing the tumor to evade destruction by the immune system. Immune checkpoint cancer therapies that target PD-1 such as
nivolumab (Opdivo) have been approved for the treatment of melanoma, NSCLC, renal cell carcinoma, classic Hodgkin’s lymphoma,
head and neck squamous cell carcinoma, urothelial carcinoma, colorectal carcinoma and hepatocellular carcinoma. While nivolumab is
highly effective in a subset of tumors, there are multiple pathways that tumors rely upon to evade the immune system allowing many
tumors to continue to proliferate.

As with the treatment of most cancers, combination treatments are often required to increase efficacy. Recently, the

combination of nivolumab, a PD-1 antibody, and ipilimumab, a CTLA-4 antibody, was approved in melanoma based on increased
efficacy. However, this combination resulted in increases in grades 3 and 4 adverse events, which occurred in 55% of the combination
patients compared to 16.3% in patients treated with nivolumab alone and 27.3% of patients treated with ipilimumab alone. We believe
that the addition of Plinabulin to an immune checkpoint inhibitor such as nivolumab has the potential to increase activity without
increasing the rate of serious adverse events, or potentially decrease immune-related side effects.

Preclinical study data supporting Plinabulin in immuno-oncology

Checkpoint inhibitors such as nivolumab alleviate immune system blocks at a relatively late stage in the overall immune

process—at the point when T-cells recognize cancer cells. In contrast, preclinical studies indicate that Plinabulin activates the immune
system multiple steps earlier in the process of immune activation, and thus has the potential to complement the activity of checkpoint
inhibitors. Both published and unpublished preclinical study data have suggested that Plinabulin can stimulate an immune response to
cancer cells by increasing the presentation of cancer antigens by dendritic cells, stimulating dendritic cell proliferation, increasing
levels of helper T-cells and by decreasing the levels of immunosuppressive regulatory T-cells. While it is unclear which of the many
activities or which combination of activities is important for Plinabulin’s immune stimulatory activity, its activity in animal models is
comparable to other immuno-oncology agents such as nivolumab, an approved immuno-oncology agent that targets the PD-1
checkpoint.

One example of this is in a colon cancer model in immune competent mice. The results of this model are captured in the figure

below presenting the percentage inhibition of tumor volume over time as compared to a vehicle control. Each demarcated line denotes
whether the test mice were treated with Plinabulin alone, treated with a PD-1 antibody (the mouse equivalent of nivolumab) alone,
treated with a combination of Plinabulin and a PD-1 antibody, treated with a combination of a PD-1 antibody and a CTLA-4 antibody
or treated with a triple combination of Plinabulin, a PD-1 antibody and a CTLA-4 antibody. In this model, PD-1 antibody resulted in
tumor volume that was approximately 12% less than the vehicle control, similar to the levels seen with Plinabulin. The combination of
Plinabulin and a PD-1 antibody resulted in tumors that were approximately 25% smaller than those from control animals, similar to the
levels seen with the combination of a PD-1 antibody and a CTLA-4 antibody. The triple combination of Plinabulin, a PD-1 antibody
and a CTLA-4 antibody resulted in tumors that were smaller than those in animals treated with any of the other studied agents or the
studied combinations thereof and approximately 40% smaller than the vehicle control.

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We believe that, similar to the increased activity seen when checkpoint inhibitors are used in combination, Plinabulin may also

increase the activity of checkpoint inhibitors already in clinical use such as nivolumab. However, because Plinabulin works through a
completely different mechanism than other checkpoint inhibitors, we believe that this increased activity may not be associated with the
increased toxicity seen with other combinations.

Clinical plans for Plinabulin in immuno-oncology

We have explored and plan to continue to explore the role of Plinabulin in stimulating the activity of other immuno-oncology

agents in clinical programs:

•

•

In September 2016, UCSD enrolled the first patient in an investigator-initiated Phase 1/2 trial of Plinabulin in
combination with nivolumab for the treatment of patients with metastatic NSCLC. In addition, the Fred Hutchinson
Center, together with the University of Washington, initiated an investigator-initiated Phase 1/2 trial of Plinabulin in
combination with nivolumab in patients with advanced NSCLC who have failed up to two previous therapies. Dosing of
Plinabulin follows the dosing schedule of nivolumab, which is dosed on day one, day eight and day 15 in a 28-day cycle.
The Fred Hutchinson study had achieved the dose regimen end point and therefore the study site had been closed.
Preliminarily safety data from these investigator-initiated trials were presented at the ASCO-SITC meeting in January
2018.  In the 10 patients evaluated, the combination therapy was well tolerated, with no immune related serious adverse
events.  Only two patients presented with immune related adverse events, one with a grade 1 event and the other with a
grade 2 event.

In October 2018, we announced the opening of an investigator-initiated Phase 1 clinical trial with a triple combination
therapy, consisting of Plinabulin, Bristol-Myers Squibb’s PD-1 antibody, Opdivo (nivolumab), and CTLA-4 antibody,
Yervoy (ipilimumab), for the treatment of SCLC. The trial, conducted through the Big Ten Cancer Research Consortium,
is currently enrolling subjects at Rutgers Cancer Institute of New Jersey and other clinical centers in the U.S. The trial is
expected to enroll approximately 15 patients in the Phase 1 portion of this Phase 1/2 combined study, and an additional 40
patients in the Phase 2 portion. This study will investigate whether the addition of Plinabulin results in a reduction of
immune-related side effects of PD-1 and CTLA-4 antibodies and provides efficacy synergy.

• We expect to initiate a Phase 1 clinical trial at Johns Hopkins University of an investigator-initiated Phase 1/2 trial of

Plinabulin in combination with Merck’s PD-1 antibody, Keytruda (pembrolizumab) and platinum-based chemotherapy
agents as a first-line treatment for NSCLC. This study will investigate whether the addition of Plinabulin to the therapy
could not only potentially add to the anti-cancer effect of PD-1 and chemotherapy, but could also potentially result in a
reduction of immune-related side effects of PD-1 antibodies as well as a reduction in CIN.

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Other programs

In addition to exploring Plinabulin’s therapeutic potential in combination with immuno-oncology agents, we have a pipeline

of preclinical immuno-oncology product candidates and have utilized our research collaborators to advance these programs.

BPI-002 and BPI-003 programs

Our BPI-002 program is based on an oral small molecule agent, similar to a CTLA-4 antibody, which induces T-cell activation
and preclinical studies have shown that it is synergistic to checkpoint inhibitors in immune competent colon cancer animal model. BPI-
002 is currently in preclinical studies and we plan to initiate a clinical study in 2020. Our IKK program, BPI-003, is based on a novel
small molecule inhibitor of IKK, a protein kinase. IKK is involved in survival of some tumor cells as well as in the production of a
number of cytokines and growth factors that serve as survival factors for various tumors. Our IKK inhibitor has shown promising
activity in multiple animal models of pancreatic cancer.

BPI-004 program

Our BPI-004 program is focused on a small molecule that induces the production of neo-antigens by tumor cells, allowing

tumors containing no immune cells to be infiltrated by the immune system. A large proportion of human cancers do not produce
antigens that are recognized by the immune system. As a result, these tumors do not respond to treatments that work through
interaction with the patient’s immune response. For example, these tumors will not respond to treatment with PD-1 inhibitors. A
treatment that induces the tumor cells to produce antigens has the potential to make these cancers responsive to PD-1 inhibitors.

Ubiquitination drug development platform

We are also investigating an alternative approach to cancer treatment in which disease-causing proteins are marked for early

degradation. This approach uses a protein called a ubiquitin E3 ligase to target and promote the destruction of disease-causing proteins,
such as oncogenes. To trigger degradation, the target protein is labeled with poly-ubiquitin by a specific ubiquitin ligase enzyme. Poly-
ubiquitin acts as an indicating tag to cellular proteasome machinery that the target protein should be destroyed. One approach to
tagging the target protein is using a “molecular glue” to bind the ubiquitin ligase to the target protein.

We are collaborating with Dr. Ning Zheng, a Howard Hughes Medical Institute Investigator, and his group at the University of

Washington on a unique “molecular glue” used to selectively tag certain oncogene proteins with E3 ligase, one of the ubiquitin ligase
enzymes. Dr. Huang, co-founder of BeyondSpring, and Dr. Zheng were the first to discover the crystal structure of the only two classes
of E3 ligases. This work forms the structural basis for the selection of the small molecules to be studied as a potential “molecular glue.”
The first target protein is expected to be oncogene KRAS. KRAS is frequently mutated in pancreas, colon, lung and uterus cancers.
This novel platform technology has the potential to significantly reduce the amount of oncogene protein in the cell and such disease-
causing protein is not targeted by current therapeutic approaches.

Plinabulin in other indications

Tumors with RAS mutations

We have identified that tumors that have mutations in an oncogene called RAS are particularly sensitive to Plinabulin. An

oncogene is a gene that is a changed or mutated form of a gene involved in normal cell growth, which has the potential to cause cancer.
A particular type of oncogene is the mutation of the RAS gene (HRAS, KRAS and NRAS), which is frequently found in human
tumors. We believe that based on data from preclinical studies, Plinabulin will work together with standard-of-care agents in tumors
with RAS mutations, including NSCLC and colorectal cancer. Mutations in KRAS are found in a large proportion of tumors including
16% of NSCLC, 36% of colon adenocarcinomas, and 69% of pancreatic ductal adenocarcinomas.

In a preclinical study, Plinabulin led to increased survival in a mouse multiple myeloma model containing a mutant KRAS
gene. The figure below shows the survival of mice containing a mutant KRAS gene when treated with Plinabulin compared to those
who were not treated with Plinabulin. Mice receiving Plinabulin at a dose level of 7.5 mg/kg twice weekly for three weeks had median
survival of 35 days compared to 15 days in the control group (p=0.0041).

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While specific KRAS mutations are not believed to be a major cause of glioblastoma, systems analyses have estimated that
signaling through the KRAS pathway is altered in 88% of glioblastoma tumors. Plinabulin is able to cross the blood-brain barrier and
led to a significant survival advantage in a KRAS-driven mouse model of glioblastoma.

While we continue to be primarily focused on the use of Plinabulin in advanced NSCLC, in CIN and in combination with
immuno-oncology agents, if the necessary resources and financing are available, we may decide to further investigate the effect of
Plinabulin in RAS mutant tumors.

Principal Investigators and Scientific Advisors

Our clinical trials are led by world renowned leaders in the clinical community, which we believe demonstrates their

confidence in of our clinical trials.

NSCLC

Dr. David Ettinger, Chairman of the NCCN guidelines for NSCLC in the U.S. has guided the study design and is assisting
with Study 103. Dr. Ettinger is Alex Grass Professor of Oncology, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
University.

Dr. Yan Sun, our lead clinical investigator for NSCLC in China is Chairman of the NCCN guidelines for NSCLC in China and
the Director of National GCP Center for Anticancer Agents Cancer Hospital in Beijing, a hospital that treats 320,000 patients a year. In
1997, Dr. Sun also co-founded the Steering Committee of the Chinese Society of Clinical Oncology and served as its Chairman and
President from 1997 to 2013. Dr. Sun was the lead clinical investigator for the Phase 3 trials of other lung cancer drugs that received
approval from the NMPA, including icotinib.

CIN

Dr. Douglas Blayney of Stanford University, a board member of the NCCN and contributor to the NCCN guidelines for

neutropenia management, is our principal investigator for both Study 105 and Study 106. Dr. Blayney is the former president of ASCO
and a former member of the FDA’s Oncologic Drugs Advisory Committee.

Dr. Jeffrey Crawford is DSMB Chairman for Study 105 and Study 106.  He is Chairman of NCCN Guidelines for Neutropenia

Management in U.S. and the lead investigator of the U.S. multicenter, randomized trial of Filgrastim (G-CSF, Neupogen), leading to
FDA approval. Dr. Crawford is Professor of Medicine at Duke University.

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Dr. Yuankai Shi, Chairman of the NCCN guidelines for neutropenia management in China, is our principal investigator for the

Chinese portion of both studies. Dr. Shi is Director of Oncology Department at Cancer Hospital Chinese Academy of Medical
Sciences.

Ubiquitination platform

Dr. Avram Hershko is our SAB member of ubiquitination platform. He brought in nearly 50 years of research leadership in
ubiquitination pathway and is the winner of 2004 Nobel Prize in Chemistry for discovery of ubiquitin-mediated protein degradation. 
Dr. Hershko is Distinguished Professor at Rappaport Faculty of Medicine at Technion in Haifa.

Intellectual Property

The proprietary nature of, and protection for, our product candidates and their methods of use are an important part of our
strategy to develop and commercialize novel medicines, as described in more detail below. We have obtained U.S. patents and filed
patent applications in the U.S. and other countries relating to certain of our product candidates, and are pursuing additional patent
protection for them and for other of our product candidates and technologies.

Our success will depend significantly on our ability to obtain and maintain patent and other proprietary protection for our
product candidates and other commercially important products, technologies, inventions and know-how, as well as on our ability to
defend and enforce our patents including any patent that we have or may issue from our patent applications, preserve the
confidentiality of our trade secrets and operate without infringing the valid and enforceable patents and proprietary rights of other
parties.

As of March 31, 2019, we owned or co-owned 76 patents, in 36 jurisdictions, including 20 issued U.S. patents. We also owned

seven pending U.S. non-provisional patent applications as well as corresponding patent applications pending in other jurisdictions and
seven pending U.S. provisional patent applications. In addition, we owned five pending international patent applications related to
Plinabulin and Plinabulin analogs filed under the PCT, which we plan to file nationally in the U.S. and in other jurisdictions directed to
reduction of CIN, the therapeutic use of tubulin binding compounds, dosage regimens, the treatment of thrombocytopenia, and use in
combination with G-CSF therapy.

Our patent portfolio as of March 29, 2019 included sixteen issued U.S. patents directed to Plinabulin and Plinabulin analogs,

their synthesis and their use in the treatment of various disorders. In particular, we owned nine issued U.S. patents directed to the
Plinabulin composition of matter, methods of synthesizing Plinabulin, polymorphic forms of Plinabulin, and methods of treating
various disorders with Plinabulin including various cancers such as lung cancer, NSCLC, breast cancer, skin cancer, prostate cancer,
myeloma, RAS mutant tumors, and brain tumors, and fungal infections, and methods of using Plinabulin for inhibiting cell
proliferation, promotion of microtubule depolymerization, and inducement of vascular collapse in a tumor. These U.S. patents were
scheduled to expire between 2021 and 2036, excluding any potential patent term restorations. The patent portfolio also contained
counterpart patents granted in 35 foreign jurisdictions including Japan, South Korea, China, Europe and other countries.

The term of individual patents may vary based on the countries in which they are obtained. In most countries in which we file

including the U.S., the term of an issued patent is generally 20 years from the earliest claimed filing date of a non-provisional patent
application in the applicable country. In the U.S., the term of a patent may be lengthened in some cases by a patent term adjustment,
which extends the term of a patent to account for administrative delays by the USPTO, in excess of a patent applicant’s own delays
during the prosecution process, or may be shortened if a patent is terminally disclaimed over a commonly owned patent having an
earlier expiration date. In addition, in certain instances, the term of one patent for a given drug product can be restored (extended) to
recapture a portion of the term effectively lost as a result of the FDA regulatory review period. However, the restoration period cannot
be longer than five years and the total patent term including the restoration period must not exceed 14 years following FDA approval.
We plan to seek such an extension of one of our U.S. patents directed to Plinabulin or its use when appropriate.

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In certain foreign jurisdictions similar extensions as compensation for regulatory delays are also available. The actual
protection afforded by a patent varies on a claim by claim and country by country basis and depends upon many factors, including the
type of patent, the scope of its coverage, the availability of any patent term extensions or adjustments, the availability of legal remedies
in a particular country and the validity and enforceability of the patent. In particular, up to a five-year extension may be available in the
EU and Japan. We plan to seek such extensions as appropriate.

Furthermore, the patent positions of biotechnology and pharmaceutical products and processes like those we intend to develop
and commercialize are generally uncertain and involve complex legal and factual questions. No consistent policy regarding the breadth
of claims allowed in such patents has emerged to date in the U.S. The scope of patent protection outside the U.S. is even more
uncertain. Changes in the patent laws or in interpretations of patent laws in the U.S. and other countries have diminished, and may
further diminish, our ability to protect our inventions and enforce our intellectual property rights and, more generally, could affect the
value of intellectual property.

Additionally, while we have already secured a number of issued patents directed to our product candidates, we cannot predict

the breadth of claims that may issue from our pending patent applications or may have or may be issued from patents and patent
applications owned by others. Substantial scientific and commercial research has been conducted for many years in the areas in which
we have focused our development efforts, which has resulted in other parties having a number of issued patents and pending patent
applications relating to such areas. Patent applications in the U.S. and elsewhere are generally published only after 18 months from the
priority date, and the publication of discoveries in the scientific or patent literature frequently occurs substantially later than the date on
which the underlying discoveries were made. Therefore, patents and patent applications relating to drugs similar to our current product
candidates and any future drugs, discoveries or technologies we might develop may have already been issued or filed, which could
prohibit us from commercializing our product candidates.

The biotechnology and pharmaceutical industries are characterized by extensive litigation regarding patents and other
intellectual property rights. Our ability to maintain and solidify our proprietary position for our product candidates and technology will
depend on our success in obtaining effective claims and enforcing those claims once granted. We do not know whether any of the
pending patent applications that we currently own, may file or license from others will result in the issuance of any patents. The issued
patents that we own or may receive in the future, may be challenged, invalidated or circumvented, and the rights granted under any
issued patents may not provide us with proprietary protection or competitive advantages against competitors with similar technology.
Furthermore, our competitors may be able to independently develop and commercialize similar drugs or duplicate our technology,
business model or strategy without infringing our patents. Because of the extensive time required for clinical development and
regulatory review of a drug we may develop, it is possible that, before any of our product candidates can be commercialized, any
related patent may expire or remain in force for only a short period following commercialization, thereby reducing any advantage of
any such patent.

We may rely, in some limited circumstances, on trade secrets and unpatented know-how to protect aspects of our technology.
However, trade secrets can be difficult to protect. We seek to protect our proprietary technology and processes, in part, by entering into
confidentiality agreements with consultants, scientific advisors and contractors and invention assignment agreements with our
employees. We also seek to preserve the integrity and confidentiality of our data and trade secrets by maintaining physical security of
our premises and physical and electronic security of our information technology systems. While we have confidence in these
individuals, organizations and systems, agreements or security measures may be breached, and we may not have adequate remedies for
any breach. In addition, our trade secrets may otherwise become known or be independently discovered by competitors. To the extent
that our consultants, contractors or collaborators use intellectual property owned by others in their work for us, disputes may arise as to
the rights in related or resulting know-how and inventions.

Our commercial success will also depend in part on not infringing the proprietary rights of other parties. The existence of any

patent by others with claims covering or related to aspects of our product candidates would require us to alter our development of
commercial strategies, redesign our product candidates or processes, obtain licenses or cease certain activities. Such licenses may not
be available on reasonable commercial terms or at all, which could require us to cease development or commercialization of our
product candidates. In addition, our breach of any license agreements or failure to obtain a license to proprietary rights that we may
require to develop or commercialize our product candidates would have a material adverse impact on us. If others have prepared and
filed patent applications in the U.S. that also claim technology to which we have filed patent applications or otherwise wish to
challenge our patents, we may have to participate in interferences, post-grant reviews, inter partes reviews, derivation or other
proceedings in the USPTO and other patent offices to determine issues such as priority of claimed invention or validity of such patent
applications as well as our own patent applications and issued patents.

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For more information on these and other risks related to intellectual property, see “Item 3. Key Information—D. Risk Factors

—Risks Related to Our Intellectual Property.”

Competition

Our industry is highly competitive and subject to rapid and significant change. While we believe that our development and

commercialization experience, scientific knowledge and industry relationships provide us with competitive advantages, we face
competition from pharmaceutical and biotechnology companies, including specialty pharmaceutical companies, and generic drug
companies, academic institutions, government agencies and research institutions.

There are a number of large pharmaceutical and biotechnology companies that currently market and sell drugs or are pursuing
the development of drugs for the treatment of cancer for which we are developing our product candidates. For example, both Genetech
Inc. and Eli Lilly and Company currently market and sell drugs, Tarceva and Cyramza. Cyramza is approved to treat NSCLC once the
disease has progressed after platinum-containing chemotherapy. Moreover, a number of additional drugs are currently in ongoing Phase
3 clinical trials as second and third line treatments of NSCLC, and may become competitors if and when they receive regulatory
approval.

Neutropenia can be prevented or treated by G-CSF, a protein that promotes the survival, proliferation and differentiation of
neutrophils. Recombinant G-CSF therapies, such as filgrastim (Neupogen), a short-acting drug, and pegfilgrastim (Neulasta), a long-
acting drug, are commonly used to prevent and treat CIN. The major manufacturer of these competing therapies is Amgen.

While we are investigating an alternative approach to cancer treatment by using molecular glue technology to tag oncogene

proteins with ubiquitin ligase and destroy such proteins, there are a number of companies who are also working on using such
technology to target and destroy oncogene proteins. See “—Plinabulin, Our Lead Drug Candidate—Other programs.”

Many of our competitors have longer operating histories, better name recognition, stronger management capabilities, better

supplier relationships, a larger technical staff and sales force and greater financial, technical or marketing resources than we do.
Mergers and acquisitions in the pharmaceutical and biotechnology industries may result in even more resources being concentrated
among a smaller number of our competitors. Our commercial opportunity could be reduced or eliminated if our competitors develop or
market products or other novel therapies that are more effective, safer or less costly than our current product candidates, or any future
product candidates we may develop, or obtain regulatory approval for their products more rapidly than we may obtain approval for our
current product candidates or any such future product candidates. Our success will be based in part on our ability to identify, develop
and manage a portfolio of product candidates that are safer and more effective than competing products.

Government Regulation

Government authorities in the U.S. at the federal, state and local level and in other countries extensively regulate, among other

things, the research and clinical development, testing, manufacture, quality control, approval, labeling, packaging, storage, record-
keeping, promotion, advertising, distribution, post-approval monitoring and reporting, marketing, pricing, export and import of drug
products, such as those we are developing. Generally, before a new drug can be marketed, considerable data demonstrating its quality,
safety and efficacy must be obtained, organized to address the requirements of and in the format specific to each regulatory authority,
submitted for review and approved by the regulatory authority. This process is very lengthy and expensive, and success is uncertain.

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Drugs are also subject to other federal, state and local statutes and regulations. The process of obtaining regulatory approvals

and the subsequent compliance with appropriate federal, state, local and foreign statutes and regulations require the expenditure of
substantial time and financial resources. Failure to comply with the applicable regulatory requirements at any time during the product
development process, approval process or after approval, may subject an applicant to administrative or judicial sanctions. These
sanctions could include, among other actions, the regulatory authority’s refusal to approve pending applications, withdrawal of an
approval, clinical holds, untitled or warning letters, voluntary product recalls or withdrawals from the market, product seizures, total or
partial suspension of production or distribution, injunctions, disbarment, fines, refusals of government contracts, restitution,
disgorgement, or civil or criminal penalties. Any such administrative or judicial enforcement action could have a material adverse
effect on us.

U.S. Regulation

U.S. Government Regulation and Product Approval

Government authorities in the U.S. at the federal, state and local level extensively regulate, among other things, the research,

development, testing, manufacture, quality control, approval, labeling, packaging, storage, record-keeping, promotion, advertising,
distribution, post-approval monitoring and reporting, marketing, export and import of drug products such as those we are developing.
In the U.S., the FDA regulates drugs under the FDCA and its implementing regulations and biologics under the FDCA and the Public
Health Service Act and its implementing regulations.

From time to time, legislation is drafted, introduced and passed in Congress that could significantly change the statutory

provisions governing the approval, manufacturing and marketing of products regulated by the FDA. In addition to new legislation,
FDA regulations and policies are often revised or reinterpreted by the agency in ways that may significantly affect our business and our
product candidates or any future product candidates we may develop. It is impossible to predict whether further legislative or FDA
regulation or policy changes will be enacted or implemented and what the impact of such changes, if any, may be.

U.S. Drug Development Process

The process of obtaining regulatory approvals and maintaining compliance with appropriate federal, state and local statutes

and regulations requires the expenditure of substantial time and financial resources. Failure to comply with the applicable U.S.
requirements at any time during the product development process, approval process, or after approval, may subject an applicant to
administrative or judicial sanctions or lead to voluntary product recalls. Administrative or judicial sanctions could include the FDA’s
refusal to approve pending applications, withdrawal of an approval, a clinical hold, untitled or warning letters, product seizures, total or
partial suspension of production or distribution, injunctions, fines, refusals of government contracts, restitution, disgorgement or civil
or criminal penalties. The process required by the FDA before a drug may be marketed in the U.S. generally involves the following:

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•

•

•

•

•

•

completion of nonclinical laboratory tests, preclinical studies and formulation studies according to Good Laboratory
Practices, or GLP, regulations;

submission to the FDA of an IND, which must become effective before human clinical trials may begin;

approval by an independent IRB, at each clinical site before each trial may be initiated;

performance of adequate and well-controlled human clinical trials according to GCP, to establish the safety and efficacy
of the proposed product for its intended use;

preparation and submission to the FDA of an NDA, for a drug;

satisfactory completion of an FDA advisory committee review, if applicable;

satisfactory completion of an FDA inspection of the manufacturing facility or facilities at which the product, or
components thereof, are produced to assess compliance with cGMP; and

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•

payment of user fees and FDA review and approval of the NDA.

The testing and approval process requires substantial time, effort and financial resources and we cannot be certain that any

approvals for our product candidates, or any future product candidates we may develop, will be granted on a timely basis, if at all.

Once a drug product candidate is identified for development, it enters the nonclinical testing stage. Nonclinical tests include
laboratory evaluations of product chemistry, toxicity, formulation and stability, as well as preclinical studies. An Investigational New
Drug, or IND, sponsor must submit the results of the nonclinical tests, together with manufacturing information, analytical data and
any available clinical data or literature, to the FDA as part of the IND prior to commencing any testing in humans. An IND sponsor
must also include a protocol detailing, among other things, the objectives of the clinical trial, dosing procedures, subject selection and
exclusion criteria, the parameters to be used in monitoring safety, and the effectiveness criteria to be evaluated if the initial clinical trial
lends itself to an efficacy evaluation. Some nonclinical testing may continue even after the IND is submitted. The IND automatically
becomes effective 30 days after receipt by the FDA, unless the FDA raises concerns or questions related to a proposed clinical trial and
places the trial on a clinical hold within that 30-day time period. In such a case, the IND sponsor and the FDA must resolve any
outstanding concerns before the clinical trial can begin. Clinical holds also may be imposed by the FDA at any time before or during
clinical trials due to safety concerns or noncompliance, and may be imposed on all products within a certain class of products. The
FDA also can impose partial clinical holds, for example, prohibiting the initiation of clinical trials of a certain duration or for a certain
dose.

We are conducting our current clinical trials under two INDs. Our investigators in connection with investigator-led clinical

trials are being conducted under separate INDs.

All clinical trials must be conducted under the supervision of one or more qualified investigators in accordance with GCP

regulations. These regulations include the requirement that all research subjects provide informed consent in writing before their
participation in any clinical trial. Further, an IRB representing each institution participating in a clinical trial must review and approve
the plan for any clinical trial before it commences at that institution, and the IRB must conduct continuing review and reapprove the
study at least annually. An IRB is responsible for protecting the rights of clinical trial subjects and considers, among other things,
whether the risks to individuals participating in the clinical trial are minimized and are reasonable in relation to anticipated benefits.
The IRB also approves the information regarding the clinical trial and the consent form that must be provided to each clinical trial
subject or his or her legal representative and must monitor the clinical trial until completed. Each new clinical protocol and any
amendments to the protocol must be submitted for FDA review, and to the IRBs for approval.

Human clinical trials are typically conducted in three sequential phases that may overlap or be combined:

•

•

•

Phase 1. The product is initially introduced into a small number of healthy human subjects or patients and tested for
safety, dosage tolerance, absorption, metabolism, distribution and excretion and, if possible, to gain early evidence on
effectiveness. In the case of some products for severe or life-threatening diseases, especially when the product is
suspected or known to be unavoidably toxic, the initial human testing may be conducted in patients.

Phase 2. The drug is administered to a limited patient population to identify possible adverse effects and safety risks, to
preliminarily evaluate the efficacy of the product for specific targeted diseases and to determine dosage tolerance and
optimal dosage and schedule.

Phase 3. The drug is administered to an expanded patient population, generally at geographically dispersed clinical trial
sites, in well-controlled clinical trials to generate data to evaluate the efficacy and safety of the product for approval, to
establish the overall risk-benefit profile of the product, and to provide adequate information for the labeling of the
product.

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Progress reports detailing the results of the clinical trials must be submitted at least annually to the FDA and safety reports

must be submitted to the FDA and clinical investigators within 15 calendar days for serious and unexpected suspected adverse events,
any clinically important increase in the rate of a serious suspected adverse reaction over that listed in the protocol or investigator’s
brochure, or any findings from other studies or animal or in vitro testing that suggest a significant risk in humans exposed to the drug
candidate. Additionally, a sponsor must notify FDA of any unexpected fatal or life-threatening suspected adverse reaction no later than
7 calendar days after the sponsor’s receipt of the information. Phase 1, Phase 2 and Phase 3 testing may not be completed successfully
within any specified period, if at all. The FDA or the sponsor may suspend or terminate a clinical trial at any time on various grounds,
including a finding that the research subjects or patients are being exposed to an unacceptable health risk. Similarly, an IRB can
suspend or terminate approval of a clinical trial at its institution if the clinical trial is not being conducted in accordance with the IRB’s
requirements or if the product has been associated with unexpected serious harm to subjects.

Concurrent with clinical trials, companies usually complete additional preclinical studies and must also develop additional
information about the chemistry and physical characteristics of the product and finalize a process for manufacturing the product in
commercial quantities in accordance with cGMP requirements. The manufacturing process must be capable of consistently producing
quality batches of the product drug and, among other things, the manufacturer must develop methods for testing the identity, strength,
quality and purity of the final product. Additionally, appropriate packaging must be selected and tested and stability studies must be
conducted to demonstrate that the product drug does not undergo unacceptable deterioration over its shelf life.

U.S. Review and Approval Processes

The results of product development, nonclinical studies and clinical trials, together with other detailed information regarding
the manufacturing process, analytical tests conducted on the product, proposed labeling and other relevant information, are submitted
to the FDA as part of an NDA requesting approval to market the new drug. Under the Prescription Drug User Fee Act, as amended,
applicants are required to pay fees to the FDA for reviewing an NDA. These user fees, as well as the annual fees required for
commercial manufacturing establishments and for approved products, can be substantial. The NDA review fee alone can currently
exceed $2.4 million, and is likely to increase over time. The user fee requirement is subject to certain limited deferrals, waivers and
reductions.

The FDA reviews all NDAs submitted within 60 days of submission to ensure that they are sufficiently complete for
substantive review before it accepts them for filing. The FDA may request additional information rather than accept an NDA for filing.
In this event, the NDA must be re-submitted with the additional information. The re-submitted application also is subject to review
before the FDA accepts it for filing.

Once the submission is accepted for filing, the FDA begins an in-depth substantive review. The FDA’s established goal is to

review 90% of NDA applications given “Priority” status – where there is evidence that the proposed product would be a significant
improvement in the safety or effectiveness in the treatment, diagnosis, or prevention of a serious condition – within 6 months, and 90%
of applications given “Standard” status within 10 months, whereupon a review decision is to be made. The FDA, however, may not
approve a drug within these established goals, and its review goals are subject to change from time to time. The FDA reviews an NDA
to determine, among other things, whether a product is safe and effective for its intended use. The FDA also evaluates whether the
product’s manufacturing is cGMP-compliant to assure the product’s identity, strength, quality and purity. Before approving an NDA,
the FDA typically will inspect the facility or facilities where the product is or will be manufactured. The FDA will not approve an
application unless it determines that the manufacturing processes and facilities are in compliance with cGMP requirements and
adequate to assure consistent production of the product within required specifications. The FDA also may refer the NDA to an advisory
committee for review, evaluation and recommendation as to whether the application should be approved and under what conditions. An
advisory committee is a panel of experts, including clinicians and other scientific experts, who provide advice and recommendations
when requested by the FDA. The FDA is not bound by the recommendation of an advisory committee, but it considers such
recommendations when making decisions.

The approval process is lengthy and difficult and the FDA may refuse to approve an NDA if the applicable regulatory criteria
are not satisfied or may require additional clinical data or other data and information. Even if such data and information are submitted,
the FDA may ultimately decide that the NDA does not satisfy the criteria for approval. Data obtained from clinical trials are not always
conclusive, and the FDA may interpret data differently than we interpret the same data. The FDA will issue a complete response letter
if the agency decides not to approve the NDA in its present form. The complete response letter usually describes all of the specific
deficiencies that the FDA identified in the NDA that must be satisfactorily addressed before it can be approved. The deficiencies
identified may be minor, for example, requiring labeling changes, or major, for example, requiring additional clinical trials.
Additionally, the complete response letter may include recommended actions that the applicant might take to place the application in a
condition for approval. If a complete response letter is issued, the applicant may either resubmit the NDA, addressing all of the
deficiencies identified in the letter, or withdraw the application or request an opportunity for a hearing.

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If a product receives regulatory approval, the approval may be significantly limited to specific diseases and dosages or the

indications for use may otherwise be limited, which could restrict the commercial value of the product. Further, the FDA may require
that certain contraindications, warnings or precautions be included in the product labeling. In addition, the FDA may require post-
approval studies, including Phase 4 clinical trials, to further assess a product’s safety and effectiveness after NDA approval and may
require testing and surveillance programs to monitor the safety of approved products that have been commercialized. The FDA also
may conclude that an NDA may only be approved with a REMS designed to mitigate risks through, for example, a medication guide,
physician communication plan, or other elements to assure safe use, such as restricted distribution methods, patient registries and other
risk minimization tools.

Post-Approval Requirements

Any products for which we receive FDA approval would be subject to continuing regulation by the FDA, including, among
other things, record-keeping requirements, reporting of adverse experiences with the product, providing the FDA with updated safety
and efficacy information, product sampling and distribution requirements, complying with certain electronic records and signature
requirements and complying with FDA promotion and advertising requirements. The FDA strictly regulates labeling, advertising,
promotion and other types of information on products that are placed on the market. Products may be promoted only for the approved
indications and in accordance with the provisions of the approved label. Further, manufacturers must continue to comply with cGMP
requirements, which are extensive and require considerable time, resources and ongoing investment to ensure compliance. In addition,
changes to the manufacturing process generally require prior FDA approval before being implemented and other types of changes to
the approved product, such as adding new indications and additional labeling claims, are also subject to further FDA review and
approval.

Manufacturers and other entities involved in the manufacturing and distribution of approved products are required to register

their establishments with the FDA and certain state agencies, and are subject to periodic unannounced inspections by the FDA and
certain state agencies for compliance with cGMP and other laws. The cGMP requirements apply to all stages of the manufacturing
process, including the production, processing, sterilization, packaging, labeling, storage and shipment of the product. Manufacturers
must establish validated systems to ensure that products meet specifications and regulatory requirements, and test each product batch or
lot prior to its release. We rely, and expect to continue to rely, on third parties for the production of clinical quantities of our product
candidates and any future product candidates we may develop. Future FDA and state inspections may identify compliance issues at the
facilities of our contract manufacturers that may disrupt production or distribution or may require substantial resources to correct.

The FDA may withdraw a product approval if compliance with regulatory requirements is not maintained or if problems occur

after the product reaches the market. Later discovery of previously unknown problems with a product may result in restrictions on the
product’s marketing or even complete withdrawal of the product from the market. Further, the failure to maintain compliance with
regulatory requirements may result in administrative or judicial actions, such as fines, untitled or warning letters, holds on clinical
trials, product seizures, product detention or refusal to permit the import or export of products, refusal to approve pending applications
or supplements, restrictions on marketing or manufacturing, injunctions or consent decrees, or civil or criminal penalties, or may lead
to voluntary product recalls.

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Patent Term Restoration and Marketing Exclusivity

Depending upon the timing, duration and specifics of FDA approval of the use of our product candidates, or any future

product candidates we may develop, some of our U.S. patents may be eligible for limited patent term extension under the Drug Price
Competition and Patent Term Restoration Act of 1984, commonly referred to as the Hatch-Waxman Act. The Hatch-Waxman Act
permits a patent restoration term of up to five years as compensation for patent term lost during product development and the FDA
regulatory review process. However, patent term restoration cannot extend the remaining term of a patent beyond a total of 14 years
from the product’s approval date. The patent term restoration period is generally one-half the time between the effective date of an IND
and the submission date of an NDA plus the time between the submission date of an NDA and the approval of that application, except
that this review period is reduced by any time during which the applicant failed to exercise due diligence. Only one patent applicable to
an approved product is eligible for the extension and the application for the extension must be submitted prior to the expiration of the
patent. The USPTO, in consultation with the FDA, reviews and approves the application for any patent term extension or restoration. In
the future, if available, we intend to apply for restorations of patent term for some of our currently owned patents beyond their current
expiration dates, depending on the expected length of the clinical trials and other factors involved in the filing of the relevant NDA;
however, any such extension may not be granted to us.

Market exclusivity provisions under the FDCA can also delay the submission or the approval of certain applications. The

FDCA provides a five-year period of non-patent marketing exclusivity within the U.S. to the first applicant to gain approval of an NDA
for a new chemical entity. A drug is a new chemical entity if the FDA has not previously approved any other new drug containing the
same active moiety, which is the molecule or ion responsible for the action of the drug substance. During the exclusivity period, the
FDA may not accept for review an abbreviated new drug application, or ANDA, or a 505(b)(2) NDA submitted by another company
for another version of such drug where the applicant does not own or have a legal right of reference to all the data required for
approval. However, an application may be submitted after four years if it contains a certification of patent invalidity or non-
infringement. The FDCA also provides three years of marketing exclusivity for an NDA, 505(b)(2) NDA or supplement to an existing
NDA if new clinical investigations, other than bioavailability studies, that were conducted or sponsored by the applicant are deemed by
the FDA to be essential to the approval of the application, for example, new indications, dosages or strengths of an existing drug. This
three-year exclusivity covers only the conditions of use associated with the new clinical investigations and does not prohibit the FDA
from approving ANDAs for drugs containing the original active agent. Five-year and three-year exclusivity will not delay the
submission or approval of a full NDA. However, an applicant submitting a full NDA would be required to conduct or obtain a right of
reference to all of the nonclinical studies and adequate and well-controlled clinical trials necessary to demonstrate safety and
effectiveness.

Disclosure of Clinical Trial Information

Sponsors of clinical trials of FDA-regulated products, including drugs are required to register and disclose certain clinical trial

information, which is publicly available at www.clinicaltrials.gov. Information related to the product, patient population, phase of
investigation, study sites and investigators, and other aspects of the clinical trial is then made public as part of the registration.
Sponsors are also obligated to disclose the results of their clinical trials after completion. Disclosure of the results of these trials can be
delayed until the new product or new indication being studied has been approved. Competitors may use this publicly available
information to gain knowledge regarding the progress of development programs.

Pharmaceutical Coverage, Pricing and Reimbursement

Significant uncertainty exists as to the coverage and reimbursement status of any products for which we may obtain regulatory

approval. In the U.S., sales of any products for which we may receive regulatory approval for commercial sale will depend in part on
the availability of coverage and reimbursement from third-party payors. Third-party payors include government authorities, managed
care providers, private health insurers and other organizations. The process for determining whether a payor will provide coverage for a
product may be separate from the process for setting the reimbursement rate that the payor will pay for the product. Third-party payors
may limit coverage to specific products on an approved list, or formulary, which might not include all of the FDA-approved products
for a particular indication. Moreover, a payor’s decision to provide coverage for a product does not imply that an adequate
reimbursement rate will be approved. Adequate third-party reimbursement may not be available to enable us to maintain price levels
sufficient to realize an appropriate return on our investment in product development.

Third-party payors are increasingly challenging the price and examining the medical necessity and cost- effectiveness of

medical products and services, in addition to their safety and efficacy. In order to obtain coverage and reimbursement for any product
that might be approved for sale, we may need to conduct expensive pharmacoeconomic studies in order to demonstrate the medical
necessity and cost-effectiveness of any products, in addition to the costs required to obtain regulatory approvals. Our product
candidates, or any future product candidates we may develop, may not be considered medically necessary or cost-effective. If third-
party payors do not consider a product to be cost-effective compared to other available therapies, they may not cover the product after

approval as a benefit under their plans or, if they do, the level of payment may not be sufficient to allow a company to sell its products
at a profit.

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The U.S. government, including the Trump administration, and state legislatures have shown significant interest in
implementing cost containment programs to limit the growth of government-paid health care costs, including price controls,
restrictions on reimbursement, requirements for substitution of generic products for branded prescription drugs, and increased
transparency around drug pricing practices. For example, the Affordable Care Act contains provisions that may reduce the profitability
of drug products, including, for example, increased rebates for drugs reimbursed by Medicaid programs, extension of Medicaid rebates
to Medicaid managed care plans, mandatory discounts for certain Medicare Part D beneficiaries and annual fees based on
pharmaceutical companies’ share of sales to federal health care programs. There also has been increased public and governmental
scrutiny of the cost of drugs and drug pricing strategies, including by the U.S. Senate and federal and state prosecutors. In May 2018,
President Trump released the Blueprint which, along with related drug pricing measures proposed since the Blueprint, could cause
significant operational and reimbursement changes for the pharmaceutical industry. Adoption of government controls and measures,
and tightening of restrictive policies in jurisdictions with existing controls and measures, could limit payments for pharmaceuticals
including our product candidates, if any achieve approval.

The marketability of any products for which we receive regulatory approval for commercial sale may suffer if the government
and third-party payors fail to provide adequate coverage and reimbursement. In addition, the emphasis on cost containment measures in
the U.S. has increased and we expect will continue to increase the pressure on pharmaceutical pricing. Coverage policies and third-
party reimbursement rates also may change at any time. Even if favorable coverage and reimbursement status is attained for one or
more products for which we receive regulatory approval, less favorable coverage policies and reimbursement rates may be
implemented in the future.

Other Healthcare Laws and Compliance Requirements

If we obtain regulatory approval of our products, we may be subject to various federal and state laws targeting fraud and abuse

in the healthcare industry. These laws may impact, among other things, our proposed sales, marketing and education programs. In
addition, we may be subject to patient privacy regulation by both the federal government and the states in which we conduct our
business. The laws that may affect our ability to operate include:

•

•

•

•

•

the federal Anti-Kickback Statute, which prohibits, among other things, persons from knowingly and willfully soliciting,
receiving, offering or paying remuneration, directly or indirectly, in cash or in kind, to induce or reward, or in return for,
either the referral of an individual for, or the purchase, order, or recommendation of, an item or service reimbursable
under a federal healthcare program, such as the Medicare and Medicaid programs;

federal civil and criminal false claims laws, false statement laws, and civil monetary penalty laws, which prohibit, among
other things, individuals or entities from knowingly presenting, or causing to be presented, claims for payment from
Medicare, Medicaid, or other third-party payors that are false or fraudulent, or making a false statement or record material
to payment of a false claim or avoiding, decreasing, or concealing an obligation to pay money to the federal government;

HIPAA, which imposes federal criminal and civil liability for executing a scheme to defraud any healthcare benefit
program and making false statements relating to healthcare matters;

the federal transparency laws, including the federal Physician Payments Sunshine Act, which is part of the Affordable
Care Act, that requires applicable manufacturers of covered drugs to disclose payments and other transfers of value
provided to physicians and teaching hospitals and physician ownership and investment interests;

HIPAA, as amended by the Health Information Technology for Economic and Clinical Health Act and its implementing
regulations, also imposes certain requirements relating to the privacy, security and transmission of individually
identifiable health information; and

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•

state law equivalents of each of the above federal laws, such as anti-kickback and false claims laws which may apply to
items or services reimbursed by any third-party payor, including commercial insurers, state laws that require
pharmaceutical companies to comply with the pharmaceutical industry’s voluntary compliance guidelines, and state laws
governing the privacy and security of health information in certain circumstances, many of which differ from each other
in significant ways and are not preempted by HIPAA, thus complicating compliance efforts.

The Affordable Care Act broadened the reach of the fraud and abuse laws by, among other things, amending the intent

requirement of the federal Anti-Kickback Statute and the applicable criminal healthcare fraud statutes contained within 42 U.S.C. §
1320a-7b. Pursuant to the statutory amendment, a person or entity no longer needs to have actual knowledge of this statute or specific
intent to violate it in order to have committed a violation. In addition, the Affordable Care Act provides that a claim including items or
services resulting from a violation of the federal Anti-Kickback Statute constitutes a false or fraudulent claim for purposes of the False
Claims Act or the civil monetary penalties statute. Many states have adopted laws similar to the federal Anti-Kickback Statute, some of
which apply to the referral of patients for healthcare items or services reimbursed by any source, not only the Medicare and Medicaid
programs.

Although we would not submit claims directly to payors, manufacturers can be held liable under the federal False Claims Act

and other healthcare laws if they are deemed to “cause” the submission of false or fraudulent claims by, for example, providing
inaccurate billing or coding information to customers or promoting a product off-label. In addition, our future activities relating to the
reporting of wholesaler or estimated retail prices for our products, the reporting of prices used to calculate Medicaid rebate information
and other information affecting federal, state, and third-party reimbursement for our products, and the sale and marketing of our
products, will be subject to scrutiny under the False Claims Act. Penalties for a False Claims Act violation include three times the
actual damages sustained by the government, plus mandatory civil penalties, and the potential for exclusion from participation in
federal healthcare programs. The applicable civil penalties are subject to an annual increase based on inflation; effective January 29,
2018, the penalties are between $11,181 and $22,363 for each separate false claim. In addition, although the federal False Claims Act is
a civil statute, conduct that results in a False Claims Act violation may also implicate various federal criminal statutes. Further, private
individuals have the ability to bring actions under the federal False Claims Act and certain states have enacted laws modeled after the
federal False Claims Act.

Patient Protection and the Affordable Care Act

The Affordable Care Act, enacted in March 2010, includes measures that have or will significantly change the way health care

is financed in the U.S. by both governmental and private insurers. Among the provisions of the Affordable Care Act of greatest
importance to the pharmaceutical industry are the following:

•

•

•

The Medicaid Drug Rebate Program requires pharmaceutical manufacturers to enter into and have in effect a national
rebate agreement with the Secretary of the Department of Health and Human Services as a condition for states to receive
federal matching funds for the manufacturer’s outpatient drugs furnished to Medicaid patients. The Affordable Care Act
increased pharmaceutical manufacturers’ rebate liability on most branded prescription drugs from 15.1% of the average
manufacturer price to 23.1% of the average manufacturer price, added a new rebate calculation for line extensions of
solid oral dosage forms of branded products, and modified the statutory definition of average manufacturer price. The
Affordable Care Act also expanded the universe of Medicaid utilization subject to drug rebates by requiring
pharmaceutical manufacturers to pay rebates on Medicaid managed care utilization and expanding the population
potentially eligible for Medicaid drug benefits.

In order for a pharmaceutical product to receive federal reimbursement under the Medicare Part B and Medicaid
programs or to be sold directly to U.S. government agencies, the manufacturer must extend discounts to entities eligible
to participate in the 340B drug pricing program. The Affordable Care Act expanded the types of entities eligible to
receive discounted 340B pricing.

The Affordable Care Act imposed a requirement on manufacturers of branded drugs to provide a 50% discount off the
negotiated price of branded drugs dispensed to Medicare Part D patients in the coverage gap (i.e., the “donut hole”).

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The Affordable Care Act imposed an annual, nondeductible fee on any entity that manufactures or imports certain
branded prescription drugs, apportioned among these entities according to their market share in certain government
healthcare programs, although this fee does not apply to sales of certain products approved exclusively for orphan
indications.

In addition to these provisions, the Affordable Care Act established a number of bodies whose work may have a future impact

on the market for certain pharmaceutical products. These include the Patient-Centered Outcomes Research Institute, established to
oversee, identify priorities in, and conduct comparative clinical effectiveness research and the Center for Medicare and Medicaid
Innovation within the Centers for Medicare and Medicaid Services, to test innovative payment and service delivery models to lower
Medicare and Medicaid spending.

The Affordable Care Act has been subject to challenges and numerous ongoing efforts to repeal or amend the Act in whole or

in part. Since the November 2016 U.S. election, President Trump and the U.S. Congress have made numerous efforts to repeal or
amend the Affordable Care Act in whole or in part.  For example, the Tax Cuts and Jobs Act, which President Trump signed into law in
December 2017, repealed the Affordable Care Act’s individual health insurance mandate, which is considered a key component of the
Affordable Care Act. Thus, the full impact of the Affordable Care Act, or any law replacing elements of it, on our business remains
unclear. These and other laws may result in additional reductions in healthcare funding, which could have a material adverse effect on
customers for our product candidates, if we gain approval for any of them. Although we cannot predict the full effect on our business
of the implementation of existing legislation or the enactment of additional legislation pursuant to healthcare and other legislative
reform, we believe that legislation or regulations that would reduce reimbursement for, or restrict coverage of, our products could
adversely affect how much or under what circumstances healthcare providers will prescribe or administer our product candidates if we
gain approval for any of them.

Chinese Regulation

In China, we operate in an increasingly complex legal and regulatory environment. We are subject to a variety of Chinese
laws, rules and regulations affecting many aspects of our business. This section summarizes the principal Chinese laws, rules and
regulations relevant to our business and operations.

General Regulations on China Food and Drug Administration

In China, the NMPA monitors and supervises the administration of pharmaceutical products, as well as medical devices and

equipment. The NMPA’s primary responsibility includes evaluating, registering and approving new drugs, generic drugs, imported
drugs and traditional Chinese medicines; approving and issuing permits for the manufacture, export and import of pharmaceutical
products and medical appliances; approving the establishment of enterprises for pharmaceutical manufacture and distribution;
formulating administrative rules and policies concerning the supervision and administration of food, cosmetics and pharmaceuticals;
and handling significant accidents involving these products. The local provincial drug administrative authorities are responsible for
supervision and administration of drugs within their respective administrative regions.

The Drug Administration Law of the People’s Republic of China, or the PRC Drug Administration Law, promulgated by the

Standing Committee of the National People’s Congress in 1984, as amended in 2001, 2013 and 2015, respectively, and the
Implementing Measures of the PRC Drug Administration Law promulgated by the State Council in 2002, as amended in 2016, set forth
the legal framework for the administration of pharmaceutical products, including the research, development and manufacturing of
drugs.

The PRC Drug Administration Law was revised in December 2001, December 2013 and again in April 2015. The purpose of

the revisions was to strengthen the supervision and administration of pharmaceutical products and to ensure the quality and safety of
those products for human use. The revised PRC Drug Administration Law applies to entities and individuals engaged in the
development, production, trade, application, supervision and administration of pharmaceutical products. It regulates and prescribes a
framework for the administration of pharmaceutical preparations of medical institutions and for the development, research,
manufacturing, distribution, packaging, pricing and advertisement of pharmaceutical products. A draft amendment on the PRC Drug
Administration Law was published by the National People’s Congress on November 1, 2018, which has yet to take effect.  The draft
amendment incorporates the Drug Marketing Authorization Holder System and change the responsible drug administrative authorities
from provincial level to county level. Revised Implementing Measures of the PRC Drug Administration Law promulgated by the State
Council took effect in September 2002, as amended in 2016, providing detailed implementing regulations for the revised PRC Drug
Administration Law.

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Under these regulations, we need to follow related regulations for nonclinical research, clinical trials and production of new

drugs.

Good Laboratories Practice Certification for Nonclinical Research

To improve the quality of animal research, the CFDA promulgated the Administrative Measures for Good Laboratories

Practice of Preclinical Laboratory in 2003, which was amended in July, 2017, and began to conduct the certification program of the
GLP. In April 2007, the CFDA issued the Circular on Measures for Certification of Good Laboratory Practice, or CFDA Circular 214,
providing that the NMPA is responsible for certification of nonclinical research institutions. Under CFDA Circular 214, the NMPA
decides whether an institution is qualified for undertaking pharmaceutical nonclinical research upon the evaluation of the institution’s
organizational administration, its research personnel, its equipment and facilities and its operation and management of nonclinical
pharmaceutical projects. If all requirements are met, a GLP Certification will be issued by the NMPA and the result will be published
on the NMPA’s website.

Currently for all our ongoing projects, we cooperated with NMPA certified GLP laboratories operated by Joinn Laboratories

to conduct the studies following GLP based on NMPA requirements.

Approval for Clinical Trials and Production of New Drugs

According to the Provisions for Drug Registration promulgated by the CFDA in 2007, Drug Administration Law promulgated
and amended by the Standing Committee of the National People’s Congress in 2015, Circular on Regulations for Special Approval on
New Drug Registration issued by the CFDA in 2009, and Circular on Information Publish Platform for Pharmaceutical Clinical Trials
issued by the CFDA in 2013, we must comply with the following procedures and obtain several approvals for clinical trials and
production of new drugs.

Clinical Trial Application

Upon completion of its nonclinical research, a research institution must apply for approval of a Clinical Trial Application

before conducting clinical trials.

Special Examination and Approval for Domestic Category 1 Pharmaceutical Products

Domestic Category 1 New Drugs Are Eligible for Special Examination and Approval

According to Provisions for Drug Registration promulgated by the CFDA in 2007, drug registration applications are divided

into three different types, namely Domestic New Drug Application, Domestic Generic Drug Application, and Imported Drug
Application. Drugs fall into one of three categories, namely chemical medicine, biological product or traditional Chinese or natural
medicine. A Category 1 drug is a new drug that has never been marketed in any country and will be manufactured in China. Our
product candidates qualify as a domestic Category 1 new drug.

According to Provisions on the Administration of Special Examination and Approval of Registration of New Drugs, or the
Special Examination and Approval Provisions promulgated by the CFDA in January 2009, the NMPA conducts special examination
and approval for new drugs registration application when:

1.

2.

the effective constituent of drug extracted from plants, animals, minerals, etc. as well as the preparations thereof have never
been marketed in China, and the material medicines and the preparations thereof are newly discovered;

the chemical raw material medicines as well as the preparations thereof and the biological product have not been approved for
marketing home and abroad;

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3.

the new drugs are for treating AIDS, malignant tumors and rare diseases, etc., and have obvious advantages in clinic
treatment; or

4.

the new drugs are for treating diseases with no effective methods of treatment.

The Special Examination and Approval Provisions provide that the applicant may file for special examination and approval at

the stage of Clinical Trial Application if the drug candidate falls within item (1) or (2). The provisions provide that for product
candidates that fall within items (3) or (4), the application for special examination and approval must be made when filing for
production.

We believe that our current product candidates fall within items (2) and (3) above. Therefore, we may file an application for

special examination and approval at the Clinical Trial Application stage, which may enable us to pursue a more expedited path to
approval in China and bring therapies to patients more quickly.

The Advantages of Category 1 New Drugs over Category 5 Drugs

Prior to the enactment of Reform Plan for Registration Category of Chemical Medicine, Category 3 drugs are drugs which

have already been marketed abroad by multinational companies, but are not yet approved in China, and Category 3 drugs are
reclassified as Category 5 according to the Reform Plan for Registration Category of Chemical Medicine issued by CFDA in March
2016. Compared with the application for Category 5 drugs, the application for Category 1 domestic new drugs has a more straight-
forward registration pathway. According to Provisions for Drug Registration, where a special examination and approval treatment is
granted, the application for clinical trial and manufacturing will be handled with priority and with enhanced communication with the
Center for Drug Evaluation of the NMPA, or the CDE, which will establish a working mechanism for communicating with the
applicants. If it becomes necessary to revise the clinical trial scheme or make other major alterations during the clinical trial, the
applicant may file an application for communication. When an application for communication is approved, the CDE will arrange the
communication with the applicant within one month.

In comparison, according to Provisions for Drug Registration, the registration pathway for Category 5 drugs is complicated
and evolving. Category 5 drug applications may only be submitted after a company obtains an NDA approval and receives the CPP
granted by a major regulatory authority, such as the FDA or the EMA. Multinational companies may need to apply for conducting
multi-regional clinical trials, which means that companies do not have the flexibility to design the clinical trials to fit the Chinese
patients and standard-of-care. Category 5 product candidates may not qualify to benefit from fast track review with priority at the
Clinical Trial Application stage. Moreover, a requirement to further conduct local clinical trials can potentially delay market access by
several years from its international NDA approval. Further, according to Opinions on Reforming the Review and Approval Process for
Pharmaceutical Products and Medical Devices issued by the State Council in August 2015, which is a guideline for future legislation
and NMPA examination, the drugs which have already been marketed abroad may no longer be categorized as new drugs under
Chinese law in the future, and therefore may not be able to enjoy any preferential treatment for new drugs. In order to implement this
guideline, in March 2016, the CFDA issued the Reform Plan for Registration Category of Chemical Medicine, which changed the
registration category of chemical medicine stipulated in Provisions for Drug Registration. According to the Interpretation of Reform
Plan for Registration Category of Chemical Medicine issued by CFDA, a new drug refers to a drug that has never been marketed in
China or abroad.

Our product candidates are all new therapeutic agents and we expect that all of our current product candidates fall under the

Category 1 application process. Although the regulatory framework normally requires approval of separate Clinical Trial Applications
prior to initiating each phase of clinical development, in December 2015, the CFDA approved our Clinical Trial Application including
all phases of clinical trials for Plinabulin as a direct anticancer agent in NSCLC when combined with docetaxel and for the treatment of
CIN.

Changes to the Review and Approval Process

In August 2015, the State Council issued Opinions on Reforming the Review and Approval Process for Pharmaceutical

Products and Medical Devices, providing several potential policy changes that could benefit the pharmaceutical industry:

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A plan to accelerate innovative drug approval with a special review and approval process, with a focus on areas of high
unmet medical needs, including drugs for HIV, cancer, serious infectious diseases, orphan diseases and drugs on national
priority lists;

A plan to adopt a policy which would allow companies to act as the marketing authorization holder and to hire contract
manufacturing organizations to produce drug products;

A plan to improve the review and approval of clinical trials, and to allow companies to conduct clinical trials in China at
the same time as they are doing so in other countries and encourage local clinical trial organizations to participate in
international multi-center clinical trials.

In November 2015, the Standing Committee of the National People’s Congress issued the Decision on Authorizing the State

Council to Conduct the Pilot Program of the System of the Holders of Drug Marketing Licenses in Certain Areas and the Relevant
Issues, which authorized the State Council to conduct the pilot program of the system of the holders of drug marketing licenses in
Beijing, Tianjin, Hebei, Shanghai, Jiangsu, Zhejiang, Fujian, Shandong, Guangdong and Sichuan, and authorized the State Council to
conduct reforms of registration category for drugs.

In November 2015, the CFDA released the Circular Concerning Several Policies on Drug Registration Review and Approval,

which further clarified the following policies potentially simplifying and accelerating the approval process of clinical trials:

•

•

A one-time umbrella approval procedure allowing approval of all phases of a new drug’s clinical trials at once, rather than
the current phase-by-phase approval procedure, will be adopted for new drugs’ clinical trial applications;

A fast track drug registration or clinical trial approval pathway will be available for the following applications: (1)
registration of innovative new drugs treating HIV, cancer, serious infectious diseases and orphan diseases; (2) registration
of pediatric drugs; (3) registration of geriatric drugs that treat China-prevalent diseases; (4) registration of drugs
sponsored by national science and technology grants; (5) registration of innovative drugs using advanced technology,
using innovative treatment methods, or having distinctive clinical benefits; (6) registration of foreign innovative drugs to
be manufactured locally in China; (7) concurrent applications for new drug clinical trials which are already approved in
the U.S. or European Union, or concurrent drug registration applications for drugs which have applied for marketing
authorization and passed onsite inspections in the U.S. or European Union and are manufactured using the same
production line in China; and (8) clinical trial applications for drugs with urgent clinical need and patent expiry within
three years, and marketing authorization applications for drugs with urgent clinical need and patent expiry within one
year.

In December 2017, the CFDA released the Opinions on Encouraging the Prioritized Evaluation and Approval for Drug

Innovations, which further stipulated the scope of priority review and approval. The following drugs will be entitled to priority review
and approval:

•

Applications for drugs with obvious clinical benefits if any of the following circumstances applies: (1) registration
applications for innovative drugs that are not marketed in China and abroad; (2) registration applications for innovative
drugs to be manufactured locally in China; (3) registration applications for drugs using advanced formulation technology,
using innovative treatment methods, or having distinctive clinical benefits; (4) clinical trial applications for patented
drugs with patent to be expired in three years and manufacturing applications for drugs with patent to be expired in one
year; (5) concurrent applications for new drug clinical trials which are already approved in the U.S. or European Union,
or concurrent drug registration applications for drugs which have applied for marketing authorization and passed onsite
inspections in the U.S. or European Union and are manufactured using the same production line in China; (6) registration
applications for traditional Chinese drugs (including ethnic drugs) with clear clinical directions in the prevention and
treatment of severe diseases; (7) registration applications for new drugs sponsored by national science and technology
grants and of which clinical trials were conducted by a national clinical medical research center and approved by the
administration department of such center.

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Applications for drugs with obvious clinical benefits in the prevention and treatment of following diseases: (1) HIV; (2)
pulmonary tuberculosis; (3) viral hepatitis; (4) orphan diseases; (5) malignant tumor; (6) pediatric drugs; (7) senile
diseases.

In May 2016, the General Office of the State Council issued Circular 41, which signals that the Drug Marketing Authorization

Holder System is finally put into implementation. Circular 41 allows institutions of drugs research and development and research
specialist staffs in Beijing, Tianjin, Hebei, Shanghai, Jiangsu, Zhejiang, Fujian, Shandong, Guangdong and Sichuan, to act as the
applicant of drugs registration and to submit applications for drug clinical trials and drugs marketing. For the drugs newly registered
after the effective date of Circular 41, applicants are allowed to submit applications for becoming a drugs marketing authorization
holder at the same time as they submit applications for drug clinical trials or drugs marketing. In August 2016, the CFDA issued
Circular on Conducting Works Regarding the Pilot Program for the Drug Marketing Authorization Holder System, which further detail
the application procedures stipulated in Circular 41. In August 2017, the CFDA issued the Circular on the Matters Relating to
Promotion of the Pilot Program for the Drug Marketing Authorization Holder System. This notice is issued, among other things, to
advance implementation of a system pilot program for holders of drug marketing authorization, to delineate the rights and obligations
of such holders, to enhance the quality of drug manufacturing process and to improve the responsibility system over drug
manufacturing and marketing supply chains. In October 2018, the NMPA issued the Decisions on Extending the Period of the Pilot
Program for the Drug Marketing Authorization Holder System in Several Regions (Draft), which extends the expiration date of the
pilot program from November 4, 2018 to the implementation date of the revised Drug Administration Law.

Non-Inferiority Standard

In China, a drug may receive regulatory approval without showing superiority in its primary endpoint. Rather, a drug may be

approved for use if it shows non-inferiority in its primary endpoint and superiority in one of its secondary endpoints.

Accelerated or Conditional Approval

In October 2017, the Central Committee of the Communist Party of China and General Office of the State Council issued the
Opinions on Deepening the Reform of the Evaluation and Approval System and Inspiring Innovation of Drugs and Medical Devices.
This opinion provides that, among other things:

•

•

•

•

the review and approval process should be accelerated for drugs or medical devices that are urgently in need for clinical
practice;

for drugs or medical devices that are (i) for treatment of severe and life threatening diseases that cannot be cured in an
effective manner, or (ii) urgently in need to improve public health, if early and mid-term indicators in clinical trials for the
aforementioned drugs or medical devices show efficacy and potential clinical value, the marketing of these drugs and
medical devices may be approved conditionally, and companies who desire to market such drugs or medical devices shall
develop risk control plans for conducting researches according to applicable requirements;

extension of the patent term for certain new drugs may be granted, given that clinical trials and the review and approval
process may cause delay in bringing new drugs to the market; and

clinical trial data obtained from foreign countries may be used to register drugs and medical devices in China if such data
meet applicable requirements for the registration of drugs and medical devices in China.

Four Phases of Clinical Trials

A clinical trial consists of Phases 1, 2, 3 and 4. Phase 1 refers to the initial clinical pharmacology and safety evaluation studies

in humans. Phase 2 refers to the preliminary evaluation of a drug candidate’s therapeutic effectiveness and safety for particular
indication(s) in patients, which provides evidence and support for the design of Phase 3 clinical trial and settles the administrative dose
regimen. Phase 3 refers to clinical trials undertaken to confirm the therapeutic effectiveness of a drug. Phase 3 is used to further verify
the drug’s therapeutic effectiveness and safety on patients with target indication(s), to evaluate overall benefit-risk relationships of the
drug, and ultimately to provide sufficient evidence for the review of drug registration application. Phase 4 refers to a new drug’s post-
marketing study to assess therapeutic effectiveness and adverse reactions when the drug is widely used, to evaluate overall benefit-risk
relationships of the drug when used among general population or specific groups, and to adjust the administration dose, etc.

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Drug Clinical Practice Certification

To improve the quality of clinical trial, the CFDA promulgated the Administration of Quality of Drug Clinical Practice in

August 2003. In February 2004, the CFDA issued the Circular on Measures for Certification of Drug Clinical Practice (trial), providing
that the NMPA is responsible for certification of clinical trial institutions, and that the National Health and Family Planning
Commission of the PRC, formerly known as the Ministry of Health is responsible for relevant things in respect of certification of
clinical trial institutions within its duties. Under the Circular on Measures for Certification of Drug Clinical Practice (trial), the NMPA
and the National Health and Family Planning Commission of the PRC decide whether an institution is qualified for undertaking
pharmaceutical clinical trial upon the evaluation of the institution’s organizational administration, its research personnel, its equipment
and facilities, its management system and its standard operational rules. If all requirements are met, a GCP Certification will be issued
by the NMPA and the result will be published on the NMPA’s website.

New Drug Application

When Phase 1, 2 and 3 of the clinical trials have been completed, the applicant must apply to the NMPA for approval of an

NDA. The NMPA then determines whether to approve the application according to the comprehensive evaluation opinion provided by
the CDE of the NMPA. We have obtained approval of our Clinical Trial Application for Plinabulin as a direct anticancer agent in
NSCLC when combined with docetaxel in China, and we initiated clinical trials in June 2016. We must obtain approval of an NDA
before our drugs can be manufactured and sold in the Chinese market.

Good Manufacturing Practice

All facilities and techniques used in the manufacture of products for clinical use or for sale in China must be operated in
conformity with cGMP guidelines as established by the NMPA. Failure to comply with applicable requirements could result in the
termination of manufacturing and significant fines. The NMPA issued the Good Manufacturing Practice for Drugs Used in Clinical
Trial (Exposure Draft for Public Comment) on July 2018, which provides the requirements on quality management, personnel,
facilities and equipment, packaging and certain other issues relating to drugs used in clinical trials. Such exposure draft has yet to take
effect.

Animal Test Permits

According to Regulations for the Administration of Affairs Concerning Experimental Animals promulgated by the State

Science and Technology Commission in November 1988 and amended in January 2011, July 2013 and March 2017 and Administrative
Measures on the Certificate for Animal Experimentation promulgated by the State Science and Technology Commission and other
regulatory authorities in December 2001, performing experimentation on animals requires a Certificate for Use of Laboratory Animals.
Applicants must satisfy the following conditions:

•

•

•

•

•

Laboratory animals must be qualified and sourced from institutions that have Certificates for Production of Laboratory
Animals;

The environment and facilities for the animals’ living and propagating must meet state requirements;

The animals’ feed and water must meet state requirements;

The animals’ feeding and experimentation must be conducted by professionals, specialized and skilled workers, or other
trained personnel;

The management systems must be effective and efficient; and

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•

The applicable entity must follow other requirements as stipulated by Chinese laws and regulations.

International Multi-Center Clinical Trials Regulations

On January 30, 2015, the CFDA promulgated Notice on Issuing the International Multi-Center Clinical Trial Guidelines

(Trial), or the Multi-Center Clinical Trial Guidelines, which took effect as of March 1, 2015, aiming to provide guidance for the
regulation of application, implementation and administration of international multi-center clinical trials in China. Pursuant to the Multi-
Center Clinical Trial Guidelines, international multi-center clinical trial applicants may simultaneously perform clinical trials in
different centers using the same clinical trial protocol. Where the applicant plans to make use of the data derived from the international
multi-center clinical trials for application to NMPA for approval of an NDA, such international multi-center clinical trials shall satisfy,
in addition to the requirements set forth in Drug Administration Law and its implementation regulations, Provisions for Drug
Registration and relevant laws and regulations, the following requirements:

•

•

•

The applicant shall first conduct an overall evaluation on the global clinical trial data and further make trend analysis of
the Asian and Chinese clinical trial data. In the analysis of Chinese clinical trial data, the applicant shall consider the
representativeness of the research subjects i.e. the participating patients;

The applicant shall analyze whether the amount of Chinese research subjects is sufficient to assess and adjudicate the
safety and effectiveness of the drug under clinical trial, and satisfy the statistical and relevant legal requirements; and

The onshore and offshore international multi-centers clinical trial research centers shall be subject to on-site inspections
of competent PRC governmental agencies.

International multi-center clinical trials shall follow international prevailing GCP principles and ethics requirements.
Applications shall ensure the truthfulness, reliability and trustworthiness of clinical trials results; the researchers shall have the
qualification and capability to perform relevant clinical trials; ethics committee shall continuously review the trials and protect the
subjects’ interests, benefits and safety. Before the performance of the international multi-center clinical trial applicants shall obtain
clinical trial approvals or complete filings pursuant to requirements under the local regulations where clinical trials are conducted, and
register and disclose the information of all major researcher, clinical trial organizations on the NMPA drug clinical trial information
platform.

When using international multi-center clinical trial data to support NDAs in China, applicants shall submit the completed

global clinical trial report, statistical analysis report and database, along with relevant supporting data in accordance with ICH-CTD
(International Conference on Harmonization-Common Technical Document) content and format requirements; subgroup research
results summary and comparative analysis shall also be conducted concurrently.

Leveraging the clinical trial data derived from international multi-center clinical trials, we may avoid unnecessary repetitive

clinical trials and thus further accelerate the NDA process in China.

PRC Enterprise Income Tax Law and Its Implementation

The EIT Law and its implementation rules permit certain High and New Technologies Enterprises, or HNTEs, to enjoy a

preferential enterprise income tax rate subject to these HNTEs meeting certain qualification criteria. One of our Chinese subsidiaries
enjoys such preferential tax treatment.

On March 23, 2016, the Ministry of Finance and the SAT issued the Circular on Comprehensively Promoting the Pilot

Program of the Collection of Value-added Tax in Lieu of Business Tax. Effective from May 1, 2016, the PRC tax authorities collect
VAT in lieu of business tax in all regions and industries. VAT is applicable at a rate of 6% in lieu of business taxes for certain services
and 17% for the sale of goods and provision of tangible property lease services. VAT payable on goods sold or taxable services
provided by a general VAT taxpayer for a taxable period is the net balance of the output VAT for the period after crediting the input
VAT for the period.

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Regulations Relating to Intellectual Property Rights

Patent

General

Pursuant to the Patent Law of the PRC, most recently amended in December 2008, and its implementation rules, most recently

amended in January 2010, patents in China fall into three categories, namely invention patent, utility model and design patent.
Invention patent refers to a new technical solution proposed in respect of a product, method or its improvement; utility model refers to
a new technical solution that is practicable for application and proposed in respect of the shape, structure or a combination of both of a
product; and design patent refers to the new design of a certain product in shape, pattern or a combination of both and in color, shape
and pattern combinations aesthetically suitable for industrial application. Under the Patent Law of the PRC, the term of patent
protection starts from the date the patent was filed. Patents relating to utility-models and designs are effective for ten years from the
initial date the patent application was filed, and patents relating to invention are effective for twenty years from the initial date the
patent application was filed. The Patent Law of the PRC adopts the principle of “first to file,” which means where more than one
person files a patent application for the same invention, a patent will be granted to the person who first filed the application.

Existing patents can become invalid or unenforceable due to a number of factors, including lack of novelty, and/or lack of

inventive step in technology, and deficiencies in patent application. In China, a patent must have novelty, inventive step and practical
applicability. Under the Patent Law of the PRC, novelty means that before a patent application is filed, no identical invention or utility
model has been publicly disclosed in any publication in China or abroad or has been publicly used or made known to the public by any
other means, whether in or outside of China, nor has any other person filed with the patent authority an application that describes an
identical invention or utility model and is recorded in patent application documents or patent documents published after the filing date.
Inventive step means, compared with existing technology, an invention has prominent substantial features and represents notable
progress, and a utility model has substantial features and represents any progress; practical applicability means an invention or utility
model can be manufactured or used and may produce positive results. Patents in China are filed with the National Intellectual Property
Administration of the PRC, or CNIPA. Normally, the CNIPA publishes an application for an invention patent 18 months after the
application is filed, which may be shortened upon request by the applicant. The applicant must apply to the CNIPA for a substantive
examination within three years from the date the application is filed.

Article 20 of the Patent Law of the PRC provides that, for an invention or utility model completed in China, any applicant (not

just Chinese companies and individuals), before filing a patent application outside of China, must first submit it to the CNIPA for a
confidential examination. Failure to comply with this requirement will result in the denial of any Chinese patent for the subject
invention. This added requirement of confidential examination by the CNIPA has raised concerns by foreign companies who conduct
research and development activities in China or outsource research and development activities to service providers in China. Currently
we have three invention patents published by CNIPA and one invention patent under the application process.

Patent Enforcement

Unauthorized use of patents without consent from owners of patents, forgery of the patents belonging to other persons, or

engagement in other infringement acts against patent rights, will subject the infringers to tortious liabilities. Serious offences of forgery
of the patents belonging to other persons may be subject to criminal penalties.

When a dispute arises as a result of infringement of the patent owner’s patent right, Chinese law requires that the parties first

attempt to settle the dispute through consultation between them. However, if the dispute cannot be settled through consultation, the
patent owner, or an interested party who believes the patent is being infringed, may either file a civil legal suit or file an administrative
complaint with the relevant patent administration authority. A Chinese court may issue a preliminary injunction upon the patent
owner’s or an interested party’s request before instituting any legal proceedings or during the proceedings. Damages for infringement
are calculated as the loss suffered by the patent holder arising from the infringement, and if the loss suffered by the patent holder
arising from the infringement is uncertain, the damages for infringement shall be calculated as the benefit gained by the infringer from
the infringement. If it is difficult to ascertain damages in this manner, damages may be determined by using a reasonable multiple of
the license fee under a contractual license. As in other jurisdictions, with one notable exception, the patent owner in China has the
burden of proving that the patent is being infringed. However, if the owner of an invention patent for manufacturing process of a new
product alleges infringement of its patent, the alleged infringer has the burden of proving that it has not infringed. To our knowledge,
there are no disputes as to our infringement of any third party’s patent.

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Medical Patent Compulsory License

According to the Patent Law of the PRC, for the purpose of public health, the CNIPA may grant a compulsory license for
manufacturing patented drugs and exporting them to countries or regions covered under relevant international treaties to which the
People’s Republic of China has acceded.

Exemptions for Unlicensed Manufacture, Use, Sell or Import of Patented Drugs

The Patent Law of the PRC provides five exceptions for unlicensed manufacture, use, sell or import of patented drugs. None

of following circumstances are deemed an infringement of the patent rights, and any person may manufacture, use, sell or import
patented drugs without authorization granted by patent owner as follows:

•

•

•

•

•

Any person who uses, promises to sell, sells or imports any patented product or product directly obtained in accordance
with the patented methods after such product is sold by the patent owner or by its licensed entity or individual;

Any person who has manufactured an identical product, has used an identical method or has made necessary preparations
for manufacture or use prior to the date of patent application continues to manufacture such product or use such method
only within the original scope;

Any foreign transportation facility that temporarily passes through the territory, territorial waters or territorial airspace of
China uses the relevant patents in its devices and installations for its own needs in accordance with any agreement
concluded between China and that country to which the foreign transportation facility belongs, or any international treaty
to which both countries are party, or on the basis of the principle of reciprocity;

Any person who uses the relevant patents solely for the purposes of scientific research and experimentation; or

Any person who manufactures, uses or imports patented drugs or patented medical equipment for the purpose of
providing information required for administrative approval, or manufactures, uses or imports patented drugs or patented
medical equipment for the abovementioned person.

However, even if patented drugs are utilized on the ground of exemptions for unlicensed manufacture, use, sell or import of

patented drugs prescribed in Patent Law of the PRC, such patented drugs cannot be manufactured, used, sold or imported for any
commercial purposes without authorization granted by the patent owner.

Trademarks

Trademarks are protected by the Trademark Law of the People’s Republic of China, or the PRC Trademark Law, adopted on
August 23, 1982 and subsequently amended on February 22, 1993, October 27, 2001 and August 30, 2013, respectively, as well as the
Implementation Regulation of the PRC Trademark Law adopted by the State Council on August 3, 2002 and amended on April 29,
2014. The Trademark Office of the CNIPA handles trademark registrations and grants a term of ten years to registered trademarks and
another ten years if requested upon expiry of the first or any renewed ten-year term. The PRC Trademark Law has adopted a “first-to-
file” principle with respect to trademark registration.

Trade Secrets

According to the Law Against Unfair Competition of the People’s Republic of China, or the Anti-Unfair Competition Law, of

China promulgated in September 1993 and amended in November 2017, the term “trade secrets” refers to technical information and
business information that is unknown to the public, that has utility and may create business interest or profit for its legal owners or
holders, and that is maintained as a secret by its legal owners or holders.

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Under this law, business persons are prohibited from employing the following methods to infringe trade secrets: (1) obtaining
the trade secrets from the legal owners or holders by any unfair methods such as stealing, solicitation or coercion; (2) disclosing, using
or permitting others to use the trade secrets obtained illegally under item (1) above; or (3) disclosing, using or permitting others to use
the trade secrets, in violation of any contractual agreements or any requirements of the legal owners or holders to keep such trade
secrets in confidence. If a third party knows or should have known of the above-mentioned illegal conduct but nevertheless obtains,
uses or discloses trade secrets of others, the third party may be deemed to have committed a misappropriation of the others’ trade
secrets. The parties whose trade secrets are being misappropriated may petition for administrative corrections, and regulatory
authorities may stop any illegal activities and fine infringing parties in the amount of RMB100,000 to RMB500,000, and where the
infringement is material, the fine shall range from RMB500,000 to RMB3,000,000. Alternatively, persons whose trade secrets are
being misappropriated may file lawsuits in a Chinese court for loss and damages caused by the misappropriation.

The measures to protect trade secrets include oral or written agreements or other reasonable measures to require the
employees of, or persons in business contact with, legal owners or holders to keep trade secrets confidential. Once the legal owners or
holders have asked others to keep trade secrets confidential and have adopted reasonable protection measures, the requested persons
bear the responsibility for keeping the trade secrets confidential.

Regulations Relating to Foreign Exchange and Dividend Distribution

Foreign Exchange Regulation

The Foreign Exchange Administration Regulations, most recently amended in August 2008, are the principal regulations

governing foreign currency exchange in China. Under Chinese foreign exchange regulations, payments of current account items, such
as trade and service-related foreign exchange transactions, may be made in foreign currencies without prior approval from SAFE, by
complying with certain procedural requirements. In contrast, approval from or registration with appropriate government authorities is
required when RMB is to be converted into a foreign currency and remitted out of China to pay capital expenses such as the repayment
of foreign currency-denominated loans.

In November 2012, SAFE promulgated the Circular of Further Improving and Adjusting Foreign Exchange Administration

Policies on Foreign Direct Investment, which substantially amends and simplifies the current foreign exchange procedure. Pursuant to
this circular, the opening of various special purpose foreign exchange accounts, such as pre-establishment expenses accounts, foreign
exchange capital accounts and guarantee accounts, the reinvestment of RMB proceeds by foreign investors in China, and remittance of
foreign exchange profits and dividends by a Foreign Investment Enterprise, or FIE, to its foreign shareholders no longer require the
approval or verification of SAFE, and multiple capital accounts for the same entity may be opened in different provinces, which was
not previously possible. In addition, SAFE promulgated the Circular on Printing and Distributing the Provisions on Foreign Exchange
Administration over Domestic Direct Investment by Foreign Investors and the Supporting Documents in May 2013, which specifies
that the administration by SAFE or its local branches over direct investment by foreign investors in China will be conducted by way of
registration, and banks must process foreign exchange business relating to the direct investment in China based on the registration
information provided by SAFE and its branches.

Under the Circular of the SAFE on Further Improving and Adjusting the Policies for Foreign Exchange Administration under
Capital Accounts promulgated by SAFE on January 10, 2014 and effective from February 10, 2014, administration over the outflow of
the profits by domestic institutions has been further simplified. In principle, a bank is no longer required to examine transaction
documents when handling the outflow of profits of no more than the equivalent of $50,000 by a domestic institution. When handling
the outflow of profits exceeding the equivalent of $50,000, the bank, in principle, is no longer required to examine the financial audit
report and capital verification report of the domestic institution, provided that it must examine, according to the principle of transaction
authenticity, the profit distribution resolution of the board of directors (or the profit distribution resolution of the partners) relating to
this profit outflow and the original copy of its tax record-filing form. After each profit outflow, the bank must affix its seal to and
endorsements on the original copy of the relevant tax record-filing form to indicate the actual amount of the profit outflow and the date
of the outflow.

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On March 30, 2015, SAFE promulgated the Circular on Reforming the Management Approach regarding the Settlement of

Foreign Exchange Capital of Foreign-invested Enterprises, or SAFE Circular 19, which became effective on June 1, 2015. According
to SAFE Circular 19, the foreign exchange capital of foreign-invested enterprises may be settled on a discretionary basis, meaning that
the foreign exchange capital in the capital account of an FIE for which the rights and interests of monetary contribution has been
confirmed by the local foreign exchange bureau (or the book-entry registration of monetary contribution by the banks) can be settled at
the banks based on the actual operational needs of the FIE. The proportion of such discretionary settlement is temporarily determined
as 100%. The RMB converted from the foreign exchange capital will be kept in a designated account, and if an FIE needs to make
further payment from such account, it still must provide supporting documents and go through the review process with the banks.

Furthermore, SAFE Circular 19 stipulates that the use of capital by FIEs must adhere to the principles of authenticity and self-

use within the business scope of enterprises. The capital of an FIE and capital in RMB obtained by the FIE from foreign exchange
settlement must not be used for the following purposes:

•

•

•

•

directly or indirectly used for the payment beyond the business scope of the enterprises or the payment prohibited by
relevant laws and regulations;

directly or indirectly used for investment in securities, unless otherwise provided by relevant laws and regulations;

directly or indirectly used for granting the entrusted loans in RMB, unless permitted by the scope of business, repaying
the inter-enterprise borrowing (including advances by the third party), or repaying the bank loans in RMB that have been
sub-lent to the third party; and/or

paying the expenses related to the purchase of real estate that is not for self-use, except for the foreign-invested real estate
enterprises.

On June 9, 2016, SAFE promulgated the Circular on Reforming and Regulation of Administrative Policy on Settlement of

Foreign Exchange of Capital Account, or SAFE Circular 16, which became effective on June 9, 2016. According to SAFE Circular 16,
the foreign exchange capital of FIEs, foreign debt and funds raised through offshore listing may be settled on a discretionary basis, and
can be settled at the banks. The proportion of such discretionary settlement is temporarily determined as 100%. The RMB converted
from relevant foreign exchange will be kept in a designated account, and if a domestic enterprise needs to make further payment from
such account, it still must provide supporting documents and go through the review process with the banks.

Furthermore, SAFE Circular 16 reiterates that the use of capital by domestic enterprises must adhere to the principles of

authenticity and self-use within the business scope of enterprises. The foreign exchange income of capital account and RMB obtained
by domestic enterprise from foreign exchange settlement must not be used for the following purposes:

•

•

•

•

directly or indirectly used for the payment beyond the business scope of the enterprises or the payment prohibited by
relevant laws and regulations;

directly or indirectly used for investment in securities and investment in wealth management products except for
principal-guaranteed bank wealth management products, unless otherwise provided by relevant laws and regulations;

directly or indirectly used for extending the entrusted loans to non-affiliate enterprises, unless permitted by the scope of
business; and/or

used for construction or purchase of real estate that is not for self-use, except for the foreign-invested real estate
enterprises.

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On January 26, 2017, SAFE issued the Notice on Improving the Examination of Authenticity and Compliance to Further

Promote Foreign Exchange Administration, or the SAFE Circular 3, which stipulates several capital control measures with respect to
the outbound remittance of profit from domestic entities to offshore entities, including (i) under the principle of genuine transaction,
banks shall check board resolutions regarding profit distribution, the original version of tax filing records and audited financial
statements; and (ii) domestic entities shall hold income to account for previous years’ losses before remitting the profits. Moreover,
pursuant to SAFE Circular 3, domestic entities shall make detailed explanations of the sources of capital and utilization arrangements,
and provide board resolutions, contracts and other proof when completing the registration procedures in connection with an outbound
remittance.

Our Chinese subsidiaries’ distributions to the offshore parent and carrying out cross-border foreign exchange activities shall

comply with the various SAFE registration requirements described above.

Share Option Rules

Under the Administration Measures on Individual Foreign Exchange Control issued by the People’s Bank of China on
December 25, 2006, all foreign exchange matters involved in employee share ownership plans and share option plans in which Chinese
citizens participate require approval from SAFE or its authorized branch. In addition, under the Notices on Issues concerning the
Foreign Exchange Administration for Domestic Individuals Participating in Share Incentive Plans of Overseas Publicly-Listed
Companies, or Share Option Rules, issued by the SAFE on February 15, 2012, Chinese residents who are granted shares or share
options by companies listed on overseas stock exchanges under share incentive plans are required to (1) register with the SAFE or its
local branches; (2) retain a qualified Chinese agent, which may be a Chinese subsidiary of the overseas listed company or another
qualified institution selected by the Chinese subsidiary, to conduct the SAFE registration and other procedures with respect to the share
incentive plans on behalf of the participants; and (3) retain an overseas institution to handle matters in connection with their exercise of
share options, purchase and sale of shares or interests and funds transfers.

SAFE Regulations on Offshore Special Purpose Companies Held by Chinese Residents or Citizens

SAFE promulgated SAFE Circular 37 on July 4, 2014, which replaced the former circular commonly known as “SAFE
Circular 75” promulgated by SAFE on October 21, 2005. SAFE Circular 37 regulates foreign exchange matters in relation to the use of
special purpose vehicles, or SPVs, by Chinese residents to seek overseas investment and financing and conduct round trip investment
in China. Under SAFE Circular 37, an SPV refers to an offshore entity established or controlled, directly or indirectly, by Chinese
residents or entities for the purpose of overseas investment and financing, with Chinese residents’ legally owned assets or equity
interests in domestic enterprises or offshore assets or interests, while “round trip investment” refers to the direct investment in China by
Chinese residents through SPVs, namely, establishing FIEs to obtain the ownership, control rights and management rights. Pursuant to
SAFE Circular 37, before making contribution into an SPV, Chinese residents are required to complete foreign exchange registration
with SAFE or its local branch. SAFE Circular 37 further requires amendment to the registration in the event of any significant changes
with respect to the special purpose vehicle, such as increase or decrease of capital contributed by PRC individuals, share transfer or
exchange, merger, division or other material event. Failure to comply with the registration procedures set forth in SAFE Circular 37, or
making misrepresentation on or failure to disclose controllers of an FIE that is established through round-trip investment, may result in
restrictions on the foreign exchange activities of the relevant FIE, including payment of dividends and other distributions, such as
proceeds from any reduction in capital, share transfer or liquidation, to its offshore parent or affiliate, and the capital inflow from the
offshore parent, and may also subject relevant Chinese residents to penalties under PRC foreign exchange administration regulations.

Pursuant to SAFE Circular 37, PRC residents who participate in share incentive plans in overseas non-publicly-listed

companies may submit applications to SAFE or its local branches for the foreign exchange registration with respect to offshore SPV.
For more information on compliance with SAFE Circular 37, please see “Item 3. Key Information—D. Risk Factors—Risks Related to
Our Doing Business in China—Chinese regulations relating to investments in offshore companies by Chinese residents may subject
our future Chinese resident beneficial owners or our Chinese subsidiaries to liability or penalties, limit our ability to inject capital into
our Chinese subsidiaries or limit our Chinese subsidiaries’ ability to increase their registered capital or distribute profits.”

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We have completed the foreign exchange registration of PRC resident shareholders of Dr. Lan Huang, Mr. Linqing Jia and Mr.

Dong Liang.

Regulation of Dividend Distribution

The principal laws, rules and regulations governing dividend distribution by FIEs in China are the Company Law of the PRC,
most recently amended in December 2013, the Wholly Foreign-owned Enterprise Law, most recently amended in October 2016, and its
implementation regulations, most recently amended in February 2014, and the Sino-Foreign Equity Joint Venture Law, most recently
amended in October 2016, and its implementation regulations, most recently amended in February 2014. Under these laws, rules and
regulations, FIEs may pay dividends only out of their accumulated profit, if any, as determined in accordance with Chinese accounting
standards and regulations. Both Chinese domestic companies and wholly-foreign owned Chinese enterprises are required to allocate at
least 10% of their respective accumulated after-tax profits each year, if any, to fund certain capital reserve funds until the aggregate
amount of these reserve funds have reached 50% of the registered capital of the enterprises. A Chinese company is not permitted to
distribute any profits until any losses from prior fiscal years have been offset. Profits retained from prior fiscal years may be distributed
together with distributable profits from the current fiscal year.

Labor Laws and Social Insurance

Pursuant to the PRC Labor Law promulgated in July 1994 and amended in August 2009, and the PRC Labor Contract Law

promulgated in June 2007 and amended in December 2012, employers must execute written labor contracts with full-time employees.
All employers must comply with local minimum wage standards. Violations of the PRC Labor Contract Law and the PRC Labor Law
may result in the imposition of fines and other administrative and criminal liability in the case of serious violations.

In addition, according to the PRC Social Insurance Law promulgated in October 2010 and Administrative Regulations on the

Housing Provident Fund promulgated in April 1999 and amended in March 2002, employers like our Chinese subsidiaries in China
must provide employees with welfare schemes covering pension insurance, unemployment insurance, maternity insurance, work-
related injury insurance, medical insurance, and housing provident fund.

Foreign Investment Law

On March 15, 2019, the National People’s Congress approved the Foreign Investment Law, which will take effect on January

1, 2020 and replace the trio of existing laws regulating foreign investment in China, namely, the Sino-foreign Equity Joint Venture
Enterprise Law, the Sino-foreign Cooperative Joint Venture Enterprise Law and the Wholly Foreign-invested Enterprise Law, together
with their implementation rules and ancillary regulations. According to the Foreign Investment Law, “foreign investment” refers to
investment activities directly or indirectly conducted by one or more natural persons, business entities, or other organizations of a
foreign country in China.

According to the Foreign Investment Law, the State Council will publish a catalogue for special administrative measures, or

the “negative list”, which provides the scope of “restricted” or “prohibited” industries that have certain restriction on foreign
investment such as market entry clearance. Foreign investment in industries not included in the “negative list” are granted national
treatment. Our principal business, the development of innovative cancer therapies, is not included in the current “negative list” which
became effective on July 28, 2018. The new “negative list” has yet to be published, and it is unclear whether the “negative list”
effective at the time when Foreign Investment Law comes into effect will defer from the current “negative list”.

Rest of the World Regulation

For other countries outside of the U.S. and China, the requirements governing the conduct of clinical trials, drug licensing,
pricing and reimbursement vary from country to country. In all cases the clinical trials must be conducted in accordance with GCP
requirements and the applicable regulatory requirements and the ethical principles having their origin in the Declaration of Helsinki.

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If we fail to comply with applicable foreign regulatory requirements, we may be subject to, among other things, fines,
suspension or withdrawal of regulatory approvals, product recalls, seizure of products, operating restrictions and criminal prosecution.

Manufacturing and Supply

We outsource the production of the active pharmaceutical ingredient of Plinabulin to an external service provider, Johnson

Mattey, and the production of the final drug formulation to Pharmaceutics International Inc. and for contingency planning purposes, we
have also established relationships with other contract manufacturing organizations. We expect to continue our outsourcing
relationships with contract manufacturers to meet the ongoing requirements for the development of Plinabulin. We do not have a long-
term agreement with these third parties. We have framework agreements with these external service providers, under which they
provide services to us on a short-term, project-by-project basis.

Currently, our contract manufacturers obtain materials for the manufacturing activities they perform for us from multiple

suppliers who we believe have sufficient capacity to meet our demands. In addition, we believe that adequate alternative sources for
such supplies exist. However, a risk exists that an interruption supplies would materially harm our business. We typically order
materials and services on a purchase order basis and do not enter into long-term dedicated capacity or minimum supply arrangements.

We rely on BASF SE as the sole supplier of the stabilizing agent, Solutol, used in Plinabulin’s current formulation. If BASF
SE becomes unable or unwilling to supply Solutol, we will not be able to replace BASF SE and we would be required to reformulate
Plinabulin.

Manufacturing is subject to extensive regulations that impose various procedural and documentation requirements governing

record keeping, manufacturing processes and controls, personnel, quality control and quality assurance, among others. The contract
manufacturing organizations we plan to use to manufacture our current product candidates, or any future product candidates we may
develop, will be required to operate under cGMP conditions. These cGMP conditions are regulatory requirements for the production of
pharmaceuticals that will be used in humans.

Legal Proceedings

From time to time we may become involved in legal proceedings or be subject to claims arising in the ordinary course of our

business. We are not presently a party to any legal proceedings that, if determined adversely to us, would individually or taken together
have a material adverse effect on our business, results of operations, financial condition or cash flows. Regardless of the outcome,
litigation can have an adverse impact on us because of defense and settlement costs, diversion of management resources and other
factors.

C.

Organizational Structure

The diagram below depicts our current organizational structure that resulted from an internal restructuring consummated in

July 2015.

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D.

Property, Plants and Equipment

In May 2015, we began to lease office space of 276 leasable, 610 rentable, square feet in New York, with a total rent of

$2,938.25 per month.

From August 2015 to February 2016, we leased additional office space in New York, increasing total space to 411 leasable,

908 rentable, square feet and the rent increased to $4,384.97 per month.

From March 2016 to April 2016, we leased additional office space in New York, increasing total space to 695 leasable, 1,535

rentable, square feet and the rent increased to $7,666.82 per month.

From May 2016 to February 2017, we leased additional office space in New York, increasing total space to 976 leasable,

2,156 rentable, square feet and the rent increased to $9,972.07 per month.

From March 2017 to April 2018, we leased additional office space in New York, increasing total space to 1,121 leasable,

2,476 rentable, square feet and the rent increases to $11,252.15 per month.

After March 2018, we leased additional office space in New York, increasing total space to 2,541 leasable, 5,614 rentable,

square feet at $26,382.39 per month through February 2020.

After October 2018, we leased additional office space in New York, increasing total space to 7,238 rentable square feet at

$60,159.72 per month through December 2023. Payments under operating leases are expensed on a straight-line basis over the periods
of the respective leases, and the terms of the leases do not contain rent escalation, contingent rent, renewal or purchase options.

We leased office space of 12,721 square feet in Dalian, China under multiple leases through August 31, 2016. In accordance
with our lease agreement with the Chinese government, rent for the office facilities in Dalian, China was free during the above leasing
period. We leased offices in Dalian, China at approximately $2,000 per month starting September 2016. The rent was increased to
approximately $2,500 per month starting September 2018.

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We also leased office space of 189 square feet in San Diego at $2,359 per month from February 2016 to January 2018. We
leased additional office space, increasing total space to 297 square feet at $3,708 per month through February 2018. After January
2018, we leased additional office space, increasing total space to 386 square feet at $4,618.8 per month through January 2020 and this
lease agreement was terminated in June 2018.

We leased office space in Hong Kong at $15,552.26 per month from May 27, 2018 to January 15, 2019.

Item 4A. Unresolved Staff Comments

Not applicable.

Item 5. Operating and Financial Review and Prospects

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with

our audited consolidated financial statements and the related notes included elsewhere in this annual report on Form 20-F. This
discussion contains forward-looking statements based upon current expectations that involve risks and uncertainties. Our actual results
may differ materially from those anticipated in these forward-looking statements as a result of various factors, including those
discussed in the section titled “Item 3. Key Information—D. Risk Factors” and in other parts of this annual report on Form 20-F. Our
consolidated financial statements have been prepared in accordance with U.S. GAAP. The functional currency of BeyondSpring Inc. is
the U.S. dollar.

A.

Operating Results

Overview

We are a global clinical stage biopharmaceutical company focused on the development and commercialization of innovative

immuno-oncology cancer therapies. Our lead asset, Plinabulin, is being studied in late stage clinical trials as an anti-cancer agent in
combination with docetaxel in advanced NSCLS and for its potential benefit in the prevention of high and intermediate risk CIN.
Plinabulin is also currently being studied in two investigator-initiated trials for its therapeutic potential in combination with various
immuno-oncology agents, including in combination with nivolumab for the treatment of NSCLC at UCSD, the Fred Hutchinson
Center, and the University of Washington and in combination with PD-1 and CTLA-4 antibodies for the treatment of SCLC at the
Rutgers University. We own global rights to Plinabulin in all countries except China. We own a 60% interest in our China subsidiary,
which subsequently owns 100% of the rights to Plinabulin in China. We are also developing three small molecule immune agents,
currently in preclinical stages, and a drug development platform using ubiquitin mediated protein degradation pathway.

Our strategy is to develop a pipeline of product candidates that apply Plinabulin to different indications and other product

candidates with the potential to be important components of multiple-agent combination regimes for the benefit of cancer patients. To
implement our strategy, we use a novel, highly scalable business model that integrates clinical resources in the U.S. and China. We
believe that our strategy of dual development in the U.S. and China has provided and will continue to provide significant
developmental advantages including the ability to conduct trials in China, which could result in faster enrollment, lower costs and
expedited approval process, as well as access to China’s large cancer population . Our drug development capabilities are facilitated by
strong interest from clinical investigators in the U.S. as well as by our understanding of the pharmaceutical industry, clinical resources
and regulatory system in China. In addition, this model represents significant commercial advantages for Plinabulin, as the U.S. and
China are the two largest pharmaceutical markets in the world.

In addition to the clinical development programs in NSCLC and CIN for Plinabulin, we are utilizing our research

collaborations to advance Plinabulin in clinical trials to investigate its therapeutic potential as an immuno-oncology agent.  We provide
financial support for these various investigator-initiated clinical trials as well as the drug supply of Plinabulin. In addition to exploring
Plinabulin’s therapeutic potential in combination with immuno-oncology agents, we have a pipeline of preclinical immuno-oncology
product candidates and de novo drug discovery with ubiquitin-mediated degradation pathway in collaboration with the University of
Washington.  We have utilized our research collaborations effectively and efficiently to advance these programs.

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We intend to commercialize Plinabulin, if approved, in China through our subsidiary, Wanchun Bulin because China
recognized Plinabulin as a National Science and Technology Major Project for “essential new drug research and development.”  With
receipt of the 2017 Grant, Plinabulin has been included in the National Drug Priority Review List. We believe that, pending drug
approval and successful pricing negotiations with the Chinese government, the 2017 Grant could assist with inclusion of Plinabulin in
the National Insurance System, which would allow for faster access to patients and reimbursement. We plan to either partner with one
or more national pharmaceutical companies or build our own commercial organization for marketing Plinabulin for advanced NSCLC
and in CIN in Beijing, Shanghai and Guangzhou areas, which represent 80% of China’s geographic cancer care market. We also plan to
retain a contract sales organization for selling efforts in secondary markets in China. In the U.S. and for the rest of world, we intend to
work with one or multiple potential pharmaceutical partners for commercialization.

Since the inception of Wanchun Biotech, the former holding company of our U.S. subsidiary, in 2010, our operations have
focused on organizing and staffing our company, business planning, raising capital, establishing our intellectual property portfolio,
including protecting the rights to Plinabulin, and conducting studies in animals and clinical trials of Plinabulin. We do not have any
product candidates approved for sale and have not generated any revenue from product sales. We have financed our operations through
a combination of equity financings and loans from related and third parties, which have been either assumed by Wanchun Biotech as
part of our internal restructuring, converted into an equity investment, or repaid by us. On March 14, 2017, we completed our IPO, in
which we issued 174,286 ordinary shares at $20.00 per share for gross proceeds of approximately $3.5 million. In conjunction with our
IPO, we issued 2,541,048 ordinary shares in a private placement to certain investors at $20.00 per share for gross proceeds of
approximately $50.8 million. As of December 31, 2018, we had cash of $3.9 million.

Since inception we have incurred operating losses. Our net losses were $12.5 million , $96.4 million and $57.5 million for the

years ended December 31, 2016, 2017 and 2018, respectively. As of December 31, 2017 and 2018, we had an accumulated deficit of
$123.9 million and $178.8 million, respectively. Substantially all of our losses have resulted from funding our clinical trials,
manufacturing our drug product, our research and development programs and from general and administrative costs associated with our
operations. We expect to continue to incur significant expenses and operating losses for the foreseeable future. We anticipate that our
expenses will increase significantly in connection with our ongoing activities, as we:

•

•

continue preclinical studies and clinical development of our programs including in connection with the clinical
development programs for Plinabulin in CIN and NSCLC;

hire additional research, development and business personnel;

• maintain, expand and protect our intellectual property portfolio;

•

•

•

launch and commercialize Plinabulin in China;

fund the discovery and development of new product candidates; and

incur additional costs associated with operating as a public company.

We will need substantial additional funding to support our operating activities as we advance our product candidates through

clinical development, seek regulatory approval and prepare for and, if any of our product candidates are approved, proceed to
commercialization.  Adequate funding may not be available to us on acceptable terms, or at all.

We have no manufacturing facilities, and all our manufacturing activities are contracted out to third parties.  Additionally, we

currently utilize third-party CROs to carry out our clinical development and trials.  We do not yet have a sales organization in China
but intend to establish one beginning in 2019.

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Components of Results of Operations

Revenue

To date, we have not generated any revenue from product sales and do not expect to generate any revenue from the sale of
products in the foreseeable future. In the future, we may generate revenue from a combination of product sales, reimbursements, up-
front payments, milestone payments and royalties in connection with future collaborations. If we fail to complete the development of
our product candidates in a timely manner or fail to obtain their regulatory approval, we will not generate revenue in the future.

Expenses

Research and Development Expenses

The largest component of our total operating expenses has historically been our investment in research and development

activities. Research and development expenses consist of costs associated with our research and development activities, including the
purchase of the Plinabulin global rights from Nereus, conducting preclinical studies and clinical trials of Plinabulin and development of
our pipeline of immuno-oncology product candidates and de novo drug discovery using our ubiquitin-mediated degradation platform. 
Research and development expenses also include activities related to:

•

•

•

•

•

•

•

employee-related expenses, including salaries, benefits and travel expense for research and development personnel;

expenses incurred under agreements with CROs, contract manufacturing organizations, and consultants that conduct and
support clinical trials and preclinical studies;

costs associated with preclinical studies and development activities;

costs associated with regulatory operations;

costs associated with protecting intellectual property;

share-based compensation to employees, directors and non-employee consultants; and

other expenses, which include direct and allocated expenses for rent, insurance and other supplies used in research and
development activities.

Research and development activities are central to our business model. Product candidates in later stages of clinical

development generally have higher development costs than those in earlier stages of clinical development, primarily due to the
increased size and duration of later-stage clinical trials. We expect our research and development expenses to increase significantly
over the next several years as we continue to develop our product pipeline through preclinical studies and clinical trials and prepare for
our Plinabulin NDA filings in China and the U.S., including preparing commercial manufacturing batches of Plinabulin and building
up inventories before approval. We expect to add additional personnel to support these activities, which would increase personnel cost,
including equity-based compensation. Our current research and development activities mainly relate to:

•

•

•

Study 105, an approximately 160 patient Phase 2/3 clinical trial for Plinabulin to prevent CIN in intermediate risk
chemotherapy;

Study 106, an approximately 400 patient Phase 2/3 clinical trial for Plinabulin to prevent CIN in high risk chemotherapy
(TAC);

Study 103, an approximately 554 patient Phase 3 clinical trial of Plinabulin in combination with docetaxel for second and
third line treatments of advanced NSCLC;

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•

•

•

Three Phase 1/2 investigator-initiated clinical trials of Plinabulin in combination with various immuno-oncology agents;

Preclinical studies investigating both Plinabulin’s, and our preclinical product candidates’, potential in combination with
immunotherapies; and

Preclinical study investigating the ubiquitin-mediated degradation pathway.

We expense research and development costs when we incur them. We record costs for some development activities, such as

clinical trials, based on an evaluation of the progress to completion of specific tasks using data such as subject enrollment, clinical site
activations or information our vendors provide to us.

There are numerous factors associated with the successful commercialization of any of our product candidates, including

future trial design and various regulatory requirements, many of which cannot be determined with accuracy at this time based on our
stage of development. Additionally, future commercial and regulatory factors beyond our control will impact our clinical development
programs and plans.

The successful development of our product candidates is highly uncertain. Due to the inherently unpredictable nature of

preclinical studies and clinical development and commercialization of product candidates, we cannot reasonably estimate or know the
nature, timing and costs of the efforts that will be necessary to complete the remainder of the development of, or when, if ever, material
net cash inflows may commence from, any of our other product candidates. This unpredictability is due to the numerous risks and
uncertainties associated with the duration and cost of clinical trials and commercialization of product candidates, which vary
significantly over the life of a project as a result of many factors, including:

•

•

•

•

•

•

•

•

the number of clinical sites included in the trials;

the design of the trial and changes to the design of the trial;

establishing an appropriate safety profile;

the length of time required to enroll suitable patients;

the number of patients that ultimately participate in the trials;

the number of doses patients receive;

the duration of patient follow-up;

the results of our clinical trials;

• making arrangements with third-party manufacturers;

•

•

•

•

•

receipt of marketing approvals from applicable regulatory authorities;

commercializing the product candidates, if and when approved, whether alone or in collaboration with others;

obtaining and maintaining patent and trade secret protection and regulatory exclusivity for our product candidates;

continued acceptable safety profiles of the products following approval; and

retention of key research and development personnel.

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A change in the outcome of any of these variables with respect to the development of any of our product candidates would

significantly change the costs, timing and viability associated with the development of that product candidate.

General and Administrative Expenses

General and administrative expenses consist primarily of share-based compensation costs, personnel costs, including

executive, finance and human resource functions, and information technology. Other general and administrative expenses include
professional fees for legal, consulting, auditing and tax services as well as other direct expenses for rent, insurance and supplies used in
general and administrative activities. We expect increases in general and administrative expenses related to pre-commercialization
activities and launch activities if Plinabulin is approved. These increases will likely include increased headcount, expanded
infrastructure and increased costs for insurance. We also incur legal, compliance, accounting, directors’ and officers’ insurance, and
investor and public relations expenses associated with being a public company.

Other Income (Expenses)

Other income for 2018 consists primarily of interest income earned on our cash and government grants. The government

grants are approximately $315,000 (RMB 2 million) from Chinese government. Such government grants for Dalian Wanchun
Pharmaceutical Co., Ltd. (“Wanchun Pharma”) were received in December 2014. The government grant was transferred to Wanchun
Bulin since Wanchun Pharma was liquidated in August 2015. The Company previously included such government grant under current
liabilities as the amendment procedures for changing the beneficiary to Wanchun Bulin were still under review by the local
government. In January 2018, the Company obtained approval from local government and became eligible for the government grant
and recorded the government grant as other income in the consolidated statements of comprehensive loss during the year of 2018.

Other expenses consist primarily of foreign exchange losses in 2018.

Results of Operations

Comparison of Years Ended December 31, 2018 and 2017

The following table summarizes the results of our operations for the years ended December 31, 2018 and 2017, respectively,

together with the changes in those items in dollars:

Revenue
Operating expenses

Research and development
General and administrative

Loss from operations
Other (expense) income

Foreign exchange (loss)gain, net
Interest income
Other income
Total other income

Net loss before income tax
Income tax benefit
Net loss

Years Ended December 31,
2018
2017
(in thousands of U.S.
Dollars (“$”))
—     

—     

    Change

(51,618)    
(5,927)    
(57,545)    

(455)    
211     
315     
71    
(57,474)    
—     
(57,474)    

(88,928)    
(9,053)    
(97,981)    

555     
120     
918     
1,593     
(96,388)    
—     
(96,388)    

111

%

— 

-42%
-35%
-41%

-182%
76%
-66%
-104%
-40%
— 
-40%

 
 
 
 
 
   
 
 
 
   
 
   
   
      
      
  
   
   
   
   
      
      
  
   
   
   
   
   
   
   
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Research and Development

Research and development expenses decreased by $37.3 million to $51.6 million for the year ended December 31, 2018 from

$88.9 million for the year ended December 31, 2017.  In 2017, the Company issued 2,112,963 ordinary shares to Nereus Trust as a
result of our performance of the termination agreement described below, which is recorded as an expense of $42.3 million. Without this
non-cash expense, research and development expenses would have increased by $5.0 million from $46.6 million in 2017 to $51.6
million in 2018. The increase would have been mainly due to an increase of $15.9 million in our clinical trial expenses for Study 103,
Study 105 and Study 106 and three investigator initiated Phase 1/2 clinical trials of Plinabulin in combination with various immuno-
oncology agents as well as costs related to the manufacturing of Plinabulin, offset by a decrease of $10.9 million in non-cash share
based compensation.

R&D activities(1)

Study 103
Study 105
Study 106
Preclinical
Other clinical trials
Employee-related expenses
Share-based compensation
Consultant and other
Share-based payment to Nereus(2)
Total research and development

NM: Not meaningful

    Change

Years Ended December 31,
2018
2017
(in thousands of U.S.
Dollars (“$”))
10,020     
9,837     
5,443     
1,553     
1,634     
4,015     
6,821     
12,295     
-     
51,618     

8,138     
6,375     
3,615     
2,348     
1,230     
2,881     
17,753     
4,329     
42,259     
88,928     

%

23%
54%
51%
-34%
33%
39%
-62%
184%
-100%
-42%

(1) Due to the inherently unpredictable nature of preclinical and clinical development, we do not track all of our internal research and
development expenses on a program-by-program basis as they primarily relate to personnel, early research, manufacturing and
development, which are deployed across multiple projects under development. These costs are therefore shown separately.

(2) On February 2, 2015, we, Wanchun Biotech and Fortis Advisors LLC, in its capacity as an agent of the former stakeholders of the

seller of the patent of Plinabulin transferred to Wanchun Biotech, entered into an agreement to terminate royalty payment
arrangements due by us on Plinabulin sales, if any, to the patent sellers. The termination agreement was effective upon the
consummation of our IPO and required us to issue a number of ordinary shares representing 10% of our fully-diluted equity
capitalization immediately prior to the offering to an entity designated by the seller in lieu of the royalty payment. In satisfaction
of that obligation, we issued 2,112,963 ordinary shares to Nereus Trust, upon consummation of our IPO on March 14, 2017, and
the royalty payment arrangements were terminated.

General and Administrative Expense

General and administrative expenses decreased by $3.2 million to $5.9 million for the year ended December 31, 2018 from

$9.1 million for the year ended December 31, 2017. The decrease was primarily attributable to a decrease in non-cash share
compensation expenses of $5.2 million, offset by an increase of $2.0 million due to an increase in headcount and professional fees,
including an increase in personnel and increased legal expenses.

Other Income

Other income decreased by $1.5 million to $0.1 million for the year ended December 31, 2018 from $1.6 million for the year
ended December 31, 2017. This decrease was primarily attributable to a $0.6 million decrease of government grants and a decrease of
$1.0 million from foreign exchange gain to foreign exchange loss..

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Comparison of Years Ended December 31, 2017 and 2016

The following table summarizes the results of our operations for the years ended December 31, 2017 and 2016, respectively,

together with the changes in those items:

Revenue
Operating expenses

Research and development
General and administrative

Loss from operations
Other income (expense)

Foreign exchange gain (loss), net
Interest income
Other income
Total other income (expense)

Net loss before income tax
Income tax benefit
Net loss

Research and Development

Years Ended December 31,
2016
2017
(in thousands of U.S.
Dollars (“$”))
—     

—     

    Change

(88,928)    
(9,053)    
(97,981)    

555     
120     
918     
1,593     
(96,388)    
—     
(96,388)    

(10,437)    
(1,931)    
(12,368)    

(195)    
18     
—     
(177)    
(12,545)    
—     
(12,545)    

%

— 

752%
369%
692%

-385%
567%
100%
-1000%
668%
— 
668%

Research and development expenses increased by $78.5 million to $88.9 million for the year ended December 31, 2017 from

$10.4 million for the year ended December 31, 2016.  Approximately $60.1 million of the increase was due to non-cash expense
increases, of which approximately $17.8 million was due to an increase in non-cash share compensation expense; and $42.3 million
was due to the issuance of 2,112,963 ordinary shares to Nereus Trust as a result of our performance of the termination agreement. The
remaining $18.4 million of the increase was primarily attributable to the continuation of our clinical trials, Study 103, Study 105 and
Study 106 and two investigator initiated Phase 1/2 clinical trials of Plinabulin in combination with various immuno-oncology agents
and costs related to the manufacturing of Plinabulin.

General and Administrative Expense

General and administrative expenses increased by $7.2 million to $9.1 million for the year ended December 31, 2017 from

$1.9 million for the year ended December 31, 2016. The increase was primarily attributable to an increase in non-cash share
compensation expenses of $4.9 million and the additional costs of operating as a public company, including an increase in personnel
and increased legal expenses.

Other (Expense) Income

Other income increased by $1.8 million to $1.6 million for the year ended December 31, 2017 from $0.2 million for the year

ended December 31, 2016. This increase was primarily attributable to a total of approximately $0.9 million cash grants we received,
approximately $450,000 (RMB 3 million) from Financial Service Development Council of Dalian and approximately $470,000 (RMB
3.1 million) from Financial and Monetary Bureau of Jinpu New Area of Dalian, and an increase in foreign exchange gains of $0.8
million.

Critical Accounting Policies and Significant Judgments and Estimates

Research and Development Costs

We account for research and development costs in accordance with Accounting Standards Codification, or ASC 730, Research
and Development. Research and development costs are primarily comprised of costs incurred in performing research and development
activities, including related personnel and consultant’s salaries, benefits and related costs, raw materials and supplies to develop
product candidates, patent-related costs incurred in connection with filing patent applications and external costs of outside vendors
engaged to conduct clinical development activities and trials. We expense research and development costs as they are incurred.

 
 
 
 
 
   
 
 
 
   
 
   
   
      
      
  
   
   
   
   
      
      
  
   
   
   
   
   
   
   
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The costs incurred relate to nonrefundable advance payments for goods or services that will be used in future research and

development activities are deferred and capitalized. The capitalized amounts are expensed as research and development costs when the
related goods are delivered or the services are performed, or when we do not expect we will need the goods to be delivered or the
services to be rendered.

Research Contract Costs and Accruals

We have entered into various research and development contracts with research institutions and other companies in China, the

U.S., Europe and Australia. Related payments are recorded as research and development expenses as incurred. We record accruals for
estimated ongoing research costs. When evaluating the adequacy of the accrued liabilities, we analyze progress of the studies,
including the phase or completion of events, invoices received and contracted costs. Significant judgments and estimates are made in
determining the accrued balances at the end of any reporting period. Actual results could differ from our estimates. Our historical
accrual estimates have not been materially different from the actual costs.

Foreign Currency Translation and Transactions

We currently use U.S. dollar as our functional currency for all our entities, except for entities in China, which adopt RMB as
the functional currency, and BeyondSpring Pharmaceuticals Australia PTY Ltd., which adopts the Australian dollar as the functional
currency. The determination of the respective functional currency is based on the criteria of ASC 830, Foreign Currency Matters. We
use U.S. dollars as our reporting currency. For subsidiaries whose functional currencies are not the U.S. dollar, we use the average
exchange rate for the year and the exchange rate at the balance sheet date to translate the operating results and financial position to U.S.
dollar, the reporting currency, respectively. Translation differences are recorded in accumulated other comprehensive income or loss, a
component of shareholders’ equity.

We measure transactions denominated in currencies other than the functional currency by translating into the functional

currency at the exchange rates prevailing on the transaction dates. Foreign currency denominated financial assets and liabilities are re-
measured at the exchange rates prevailing at the balance sheet date. We include exchange gains and losses in the consolidated
statements of comprehensive loss.

Income Taxes

We use the liability method of accounting for income taxes. Under this method, deferred tax assets and liabilities are
determined based on the differences between the financial reporting and the tax bases of assets and liabilities and are measured using
enacted tax rates that will be in effect when the differences are expected to reverse. A valuation allowance is provided when it is more
likely than not that some portion or all of a deferred tax asset will not be realized.

In accordance with Accounting Standards Update (“ASU”) No. 2015-17, Income Taxes (Topic 740) all deferred income tax

assets and liabilities are classified as non-current on the consolidated balance sheets. We evaluate our uncertain tax positions using the
provisions of ASC 740, Income Taxes, which prescribes a recognition threshold that a tax position is required to meet before being
recognized in the financial statements. We recognize in the financial statements the benefit of a tax position which is “more likely than
not” to be sustained under examination based solely on the technical merits of the position assuming a review by tax authorities having
all relevant information. Tax positions that meet the recognition threshold are measured using a cumulative probability approach, at the
largest amount of tax benefit that has a greater than fifty percent likelihood of being realized upon settlement. It is our policy to
recognize interest and penalties related to unrecognized tax benefits, if any, as a component of income tax expense.

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Recent Accounting Pronouncements

In February 2016, the FASB issued ASU No. 2016-2, Leases (Topic 842) (“ASU 2016-02”), which requires lessees to

recognize assets and liabilities related to lease arrangements longer than 12 months on the balance sheet. This standard also requires
additional disclosures by lessees and contains targeted changes to accounting by lessors. The updated guidance is effective for interim
and annual periods beginning after December 15, 2018, and early adoption is permitted. The Company will adopt the new standard
effective January 1, 2019 using the modified retrospective method and will not restate comparative periods. The Company will elect
the package of practical expedients permitted under the transition guidance within the new standard, which permits the Company not to
reassess under the new standard its prior conclusions about lease identification, lease classification and initial direct costs. The
Company currently believes the most significant change will be related to the recognition of right-of-use assets and lease liabilities on
the Company’s balance sheet for certain in-scope operating leases. The Company does not expect any material impact on net assets and
the consolidated statement of comprehensive income as a result of adopting the new standard.

In June 2018, the FASB issued ASU 2018-7, Compensation—Stock Compensation (Topic 718): Improvements to

Nonemployee Share-Based Payment Accounting (“ASU 2018-7”). This update expands the scope of Topic 718 to include share-based
payment transactions for acquiring goods and services from nonemployees. This update also specifies that Topic 718 applies to all
share-based payment transactions in which a grantor acquires goods or services to be used or consumed in a grantor’s own operations
by issuing share-based payment awards. This update is effective in fiscal years, including interim periods, beginning after December
15, 2018. Early adoption is permitted, but no earlier than an entity’s adoption date of Topic 606. The Company is currently evaluating
the impact on its financial statements of adopting this guidance.

In August 2018, the FASB issued ASU 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework- Changes to

the Disclosure Requirements for Fair Value Measurement (“ASU 2018-13”). The update eliminates, modifies, and adds certain
disclosure requirements for fair value measurements. This update is effective in fiscal years, including interim periods, beginning after
December 15, 2019, and early adoption is permitted. The added disclosure requirements and the modified disclosure on the narrative
description of measurement uncertainty should be applied prospectively for only the most recent interim or annual period presented.
All other changes to disclosure requirements in this update should be applied retrospectively to all periods presented upon their
effective date. The Company is currently evaluating the impact on its financial statements of adopting this guidance.

JOBS Act

Under Section 107(b) of the JOBS Act, an “emerging growth company” can delay the adoption of new or revised accounting

standards until such time as those standards would apply to private companies. We have irrevocably elected not to avail ourselves of
this exemption and, as a result, we will adopt new or revised accounting standards at the same time as other public companies that are
not emerging growth companies. There are other exemptions and reduced reporting requirements provided by the JOBS Act that we are
currently evaluating. For example, as an emerging growth company, we are exempt from Sections 14A(a) and (b) of the Exchange Act
which would otherwise require us to (1) submit certain executive compensation matters to shareholder advisory votes, such as “say-on-
pay,” “say-on-frequency” and “golden parachutes”; and (2) disclose certain executive compensation related items such as the
correlation between executive compensation and performance and comparisons of our chief executive officer’s compensation to our
median employee compensation. We intend to rely on an exemption from the rule requiring us to provide an auditor’s attestation report
on our internal controls over financial reporting pursuant to Section 404(b) of the Sarbanes-Oxley Act and the rule requiring us to
comply with any requirement that may be adopted by the PCAOB regarding mandatory audit firm rotation or a supplement to the
auditor’s report providing additional information about the audit and the financial statements, known as the auditor discussion and
analysis. We will continue to remain an “emerging growth company” until the earliest of the following: (1) the last day of the fiscal
year following the fifth anniversary of March 14, 2017, (2) the last day of the fiscal year in which our total annual gross revenue is
equal to or more than $1.07 billion, (3) the date on which we have issued more than $1 billion in nonconvertible debt during the
previous three years, or (4) the date on which we are deemed to be a large accelerated filer under the rules of the SEC.

We comply with the reporting requirements under the Exchange Act as a non-U.S. company with foreign private issuer status.
Even after we no longer qualify as an emerging growth company, as long as we qualify as a foreign private issuer under the Exchange
Act we are exempt from certain provisions of the Exchange Act that are applicable to U.S. domestic public companies, including:

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•

•

•

•

the sections of the Exchange Act regulating the solicitation of proxies, consents or authorizations in respect of a security
registered under the Exchange Act;

the sections of the Exchange Act requiring insiders to file public reports of their stock ownership and trading activities
and liability for insiders who profit from trades made in a short period of time;

the rules under the Exchange Act requiring the filing with the SEC of quarterly reports on Form 10-Q containing
unaudited financial and other specified information, or current reports on Form 8-K, upon the occurrence of specified
significant events; and

Regulation FD, which regulates selective disclosures of material information by issuers.

B

Liquidity and Capital Resources

Since inception, we have incurred net losses and negative cash flows from our operations. Substantially all of our negative
cash flows have resulted from funding our research and development programs and general and administrative costs associated with
our operations. We incurred consolidated net losses of $56.9 million, $96.4 million and $12.5 million for the years ended December 31,
2018, 2017 and 2016, respectively. As of December 31, 2018 and 2017, we had an accumulated deficit of $178.1 million and $123.9
million, respectively. Our primary use of cash is to fund research and development costs and for general and administrative costs. Our
operating activities used $40.0 million, $28.8 million and $13.7 million of cash during the years ended December 2018, 2017 and
2016, respectively. We have financed our operations principally through proceeds from public offering and private placements of
ordinary shares and loans from related and third parties, including our IPO and the concurrent private placement consummated in
March 2017, in which we received net proceeds of $47.2 million, after deducting underwriting discounts and commissions and the
offering expenses. Additionally, in May 2018, we offered 739,095 ordinary shares to certain institutional investors for potential gross
proceeds of $20 million before deducting expenses, of which we have received $14.0 million as of the date of this annual report on
Form 20-F. We do not expect to receive the remaining $6.0 million in the near future.

Our liquidity is affected by financing activities, our clinical trials, and research and development and general and

administrative expenses. In order to operate as a going concern in the foreseeable future, we will need, among other things, additional
capital resources. We are pursuing various financing alternatives to fund our operations so we can continue as a going concern in the
medium to long term, including equity and debt financings, potential licensing and partnership arrangements, and sales of products
after obtaining regulatory approvals. There can be no assurance that capital will be available as necessary to meet our working capital
requirements or, if the capital is available, that it will be on terms acceptable us. The issuances of additional equity securities by us may
result in dilution in the equity interests of our current shareholders. Obtaining commercial loans, assuming those loans will be
available, will increase our liabilities and future cash commitments and may include financial covenants and restrictions. If we are
unable to obtain financing in the amounts and on terms deemed acceptable, our business and future success will be materially and
adversely affected. These factors raise substantial doubt regarding our ability to continue as a going concern.

Cash Flows

The following table provides information regarding our cash flows for the years ended December 31, 2018, 2017 and 2016:

Net cash used in operating activities
Net cash provided by/(used in) investing activities
Net cash provided by financing activities
Net effect of foreign exchange rate changes
Net increase in cash and cash equivalents

116

Year Ended December 31,
2018
2016
2017
(in thousands of U.S. Dollars (“$”))

(39,955)    
2,867     
13,245     
251     
(23,592)    

(28,796)    
(3,150)    
47,722     
18     
15,794     

(13,698)
(64)
14,713 
(85)
866 

 
 
 
 
 
   
   
 
 
 
 
   
   
   
   
   
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Net Cash Used in Operating Activities

The cash used in operating activities for the years ended December 31, 2018, 2017 and 2016 resulted primarily from our net

losses of $56.9 million, $96.4 million and $12.5 million, respectively, adjusted for non-cash charges and changes in components of
working capital. During 2018 these non-cash charges mainly consist of the $6.6 million of non-cash share-based compensation. Net
cash used in operating activities was $40.0 million for the year ended December 31, 2018, compared to $28.8 million for the year
ended December 31, 2017. The $11.2 million increase was primarily due to an increase in research and development expenses as we
expanded our clinical trial activities related to Plinabulin and an increase in general and administrative expenses as we expanded our
business. Net cash used in operating activities was $28.8 million for the year ended December 31, 2017, compared to $13.7 million for
the year ended December 31, 2016. The increase of $15.1 million in cash used in operating activities was primarily due to a $13.5
million increase in research and development and a $2.8 million increase in general and administrative expenses.

The primary use of our cash in the periods presented was to fund the development of our research and development,

regulatory and other clinical trial costs, and related supporting administration. Our advances to suppliers and other current assets,
accounts payable and accrued expense balances in all periods presented were affected by the timing of vendor invoicing and payments.

Net Cash Provided by/(Used in) Investing Activities

Net cash provided by investing activities for the year ended December 31, 2018 was $2.9 million, net cash used in investing

activities for the year ended December 31, 2017 was $3.2 million, and net cash provided by investing activities for the year ended
December 31, 2016 was $0.06 million. During 2018, net cash was primarily provided by the maturity of a short-term investment.
During 2017, net cash was primarily used in purchasing a one-year short-term investment. During 2016, net cash is primarily used in
acquisitions of furniture and fixtures for our offices in Dalian, China.

Net Cash Provided by Financing Activities

Net cash provided by financing activities for the year ended December 31, 2018 decreased by $34.5 million to $13.2 million

from $47.7 million for the year ended December 31, 2017. The decrease was primarily due to our IPO and concurrent private
placement in March 2017, in which we received net proceeds of $47.2 million, while in our offering of ordinary shares to certain
institutional investors in May 2018 we only received gross proceeds of $14 million. Net cash provided by financing activities for the
year ended December 31, 2017 was $47.7 million compared to $14.7 million for the year ended December 31, 2016. Net cash provided
by financing activities during 2017 was primarily due to our IPO and concurrent private placement in March 2017, in which we
received net proceeds of $47.2 million.

Operating Capital Requirements

We do not expect to generate significant revenue from product sales unless and until we obtain regulatory approval of and

commercialize any of our current product candidates. We anticipate that we will continue to generate losses for the foreseeable future,
and we expect the losses to increase as we continue the development of, and seek regulatory approvals for, our current product
candidates and incur pre-commercialization expenses that are expected to occur prior to regulatory approval. In addition, subject to
obtaining regulatory approval of any of our product candidates, we expect to incur significant commercialization expenses for product
sales, marketing and manufacturing. Accordingly, we anticipate that we will need substantial additional funding in connection with our
future operations.

Our liquidity is affected by financing activities, our clinical trials, research and development and general and administrative

expenses. In order to operate as a going concern in the foreseeable future, we will need, among other things, additional capital
resources. There can be no assurance that capital will be available as necessary to meet our working capital requirements or, if the
capital is available, that it will be on terms acceptable to us. The issuances of additional equity securities by us may result in dilution in
the equity interests of its current shareholders. Obtaining commercial loans, assuming those loans will be available, will increase our
liabilities and future cash commitments and may include financial covenants and restrictions. If we are unable to obtain financing in the
amounts and on terms deemed acceptable, our business and future success will be materially and adversely affected. These factors raise
substantial doubt regarding our ability to continue as a going concern. Thus, we need to raise additional capital in order to continue our
business activities. We have based our estimates on assumptions that may prove to be wrong, and we may use our available capital
resources sooner than we currently expect. Because of the numerous risks and uncertainties associated with the development and
commercialization of our product candidates, we are unable to estimate the amounts of increased capital outlays and operating
expenditures necessary to complete the development and commercialization of our product candidates.

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Our future capital requirements will depend on many factors, including:

•

•

•

•

•

•

•

•

the costs, timing and outcome of regulatory reviews and approvals;

the ability of our product candidates to progress through clinical development successfully;

the initiation, progress, timings, costs and results of studies in animals and clinical trials for our other programs and
potential product candidates;

the number and characteristics of the product candidates we pursue;

the costs of preparing, filing and prosecuting patent applications, maintaining and enforcing our intellectual property
rights and defending intellectual property-related claims;

the extent to which we acquire or in-license other products and technologies;

our ability to establish and maintain arrangements partnership with other pharmaceutical companies for the development,
licensing and commercialization of our assets; and

our ability to maintain and establish collaboration arrangements on favorable terms, if at all.

Until such time, if ever, as we can generate substantial product revenue, we expect to finance our cash needs through a
combination of equity and debt financing, potential licensing and partnership arrangements, and sale of products after obtaining
regulatory approvals. To the extent that we raise additional capital through the sale of equity or convertible debt securities, the
ownership interest of our shareholders will be diluted, and the terms of these securities may include liquidation or other preferences
that adversely affect the rights of our shareholders. Debt financing, if available, may involve agreements that include covenants
limiting or restricting our ability to take specific actions, such as incurring additional debt, making capital expenditures or declaring
dividends and may require the issuance of warrants, which could potentially dilute the ownership interest of our shareholders. If we
raise additional funds through collaborations, strategic alliances, marketing or distribution arrangements or licensing arrangements with
third parties, we may have to relinquish valuable rights to our technologies, future revenue streams or research programs or to grant
licenses on terms that may not be favorable to us. If we are unable to raise additional funds through equity or debt financings when
needed, we may be required to delay, limit, reduce or terminate our product development or future commercialization efforts or grant
rights to develop and market products or product candidates that we would otherwise prefer to develop and market ourselves.

C.

Research and Development, Patents and Licenses, etc.

Research and Development

Our research and development expenses primarily are comprised of costs incurred in performing research and development

activities, including related personnel and consultant’s salaries, benefits and related costs, raw materials and supplies to develop
product candidates, patent-related costs incurred in connection with filing patent applications and external costs of outside vendors
engaged to conduct clinical development activities and trials.  See “—A. Operating Results—Components of Results of Operations—
Expenses—Research and Development Expenses.”

Intellectual Property

As of March 31, 2019, we owned or co-owned 76 patents, in 36 jurisdictions, including 20 issued U.S. patents. We also owned

seven pending U.S. non-provisional patent applications as well as corresponding patent applications pending in other jurisdictions and
seven pending U.S. provisional patent applications. In addition, we owned five pending international patent applications related to
Plinabulin and Plinabulin analogs filed under the PCT, which we plan to file nationally in the U.S. and in other jurisdictions directed to
reduction of CIN, the therapeutic use of tubulin binding compounds, dosage regimens, the treatment of thrombocytopenia, and use in
combination with G-CSF therapy. See “Item 4. Information on the Company—B. Business Overview—Intellectual Property.”

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D.

Trend Information

We are a clinical stage company and cannot predict with any degree of accuracy the outcome of our research and development
efforts. As such, we cannot predict with any degree of accuracy any significant trends, uncertainties or events that are reasonably likely
to have a material effect on our net loss, liquidity or capital resources, or cause financial information to not be indicative of future
operating results or financial condition. However, to the extent possible, certain trends, uncertainties, demands, commitments and
events are described in this “Item 5. Operating and Financial Review and Prospects.”

E.

Off-Balance Sheet Arrangements

We did not have in fiscal years 2016, 2017 and 2018, and we do not currently have, any off-balance sheet arrangements, as
defined under SEC rules, such as relationships with unconsolidated entities or financial partnerships, which are often referred to as
structured finance or special purpose entities, established for the purpose of facilitating financing transactions that are not required to
be reflected on our consolidated balance sheets.

F.

Contractual Obligations and Commitments

Lease commitments

Our principal commitments consist of obligations under our operating leases for equipment and office space. The following

table summarizes our significant contractual obligations as of payment due date by period at December 31, 2018:

Total

Less Than
1 Year

Payments Due by Period

    1-3 Years     3-5 Years    

(in thousands)

More Than
5 Years

Operating lease commitments

  $

3,958     

792     

1,584     

1,582     

— 

We lease all of our facilities and believe our current facilities are sufficient to meet our needs. Our principal executive offices
are located in New York, and we also have offices in Dalian, China. In May 2015, we began to lease offices in New York at $2,938.25
per month. From August 2015 to February 2016, we leased additional office space in New York, and the rent increased to $4,384.97
per month. From March 2016 to February 2017, we leased additional office space in New York, and the rent increased to $9,972.07 per
month. From March 2017 to April 2018, we leased additional office space in New York, and the rent increased to $11,252.15 per
month. After that we leased additional office space in New York, and the rent increased to $26,382.39 per month through February
2020. After October 2018, we leased additional office space in New York, and the rent increased to $63,372.72 per month until
February 2020. Starting March 2020, the rent will increase to $64,571.39 until December 2023, with the annual license fee of
$3,619.00 being increased on each anniversary of the lease agreement commencement date. Payments under operating leases are
expensed on a straight-line basis over the periods of the respective leases, and the terms of the leases do not contain rent escalation,
contingent rent, renewal or purchase options.

We leased offices in Dalian, China under multiple operating leases through August 31, 2016. In accordance with our lease
agreement with the Chinese government, rent for the office facilities in Dalian, China is free during above leasing period. We lease
offices in Dalian, China at approximately $2,000 per month starting September 2016, and the rent increased to approximately $2,500
per month starting September 2018.

We also leased office space in San Diego at $2,359 per month from February 2016 to January 2017. After that we leased
additional office space and the rent increased to $3,708 per month through February 2018, After January 2018, we leased addition
office space for $4618.8 per month through January 2020 and this lease agreement was terminated in June 2018.

We leased office space in Hong Kong at $15,552.26 per month from May 27, 2018 to January 15, 2019.

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Loan agreements

In January 2019, we entered into a three-month RMB 20.0 million loan agreement with He’en Weiye (Shenzhen) Assets

Management Center L.P. at an annual interest rate of 15%. The loan is secured by Mr. Linqing Jia and repayable upon maturity. As of
the date of this annual report on Form 20-F, we have drawn down RMB 10.0 million pursuant to this agreement with the remaining
RMB 10.0 million expected to be drawn down in the second quarter of 2019. In April 2019, the maturity of this loan was extended to
April 20, 2020.

In March 2019, we entered into a three-year RMB 10.0 million loan agreement with China Construction Bank at an annual

interest rate of 5.7%. The loan is secured by Shenzhen Sangel Capital Management Limited Company and Mulong Liu, and repayable
upon maturity.

In April 2019, we entered into a one-year $1.0 million loan agreement with Shenzhen Sangel Zhichuang Investment Co., Ltd.

at an annual interest rate of 15%. The loan is secured by Mr. Linqing Jia and repayable upon maturity.

Other contractual obligations

We enter into agreements in the normal course of business with CROs and institutions to license intellectual property. We have

not included these future payments in the table of contractual obligations above since the contracts are cancelable at any time by us
with prior written notice.

G.

Safe Harbor

This annual report on Form 20-F contains forward-looking statements within the meaning of Section 27A of the Securities Act

and Section 21E of the Exchange Act and as defined in the Private Securities Litigation Reform Act of 1995. See section titled
“Forward-Looking Statements.”

Item 6.

Directors, Senior Management and Employees

A.

Directors and Senior Management

Below is a list of the names and ages of our co-founder, directors and executive officers (including officers of BeyondSpring

Pharmaceuticals, Inc., or BeyondSpring U.S.) as of March 31, 2019, and a brief account of the business experience of each of them.
The business address for our directors and officers and the officers of BeyondSpring U.S. is c/o BeyondSpring Inc., 28 Liberty Street,
39th Floor, New York, NY 10005.

Name
Executive Officers
Lan Huang, Ph.D.
Edward Dongheng Liu
Ramon W. Mohanlal, M.D., Ph.D.
G. Kenneth Lloyd, Ph.D.
Gordon L. Schooley, Ph.D.
Richard Daly, M.B.A.
James R. Tonra, Ph.D.
Non-Employee Directors
Patrick Fabbio, M.B.A.
Matthew Kirkby, M.A.
Quanqi Song, Ph.D.
Yanbin Xie, M.D.
Christine Ying Zhao, M.B.A.

  Age  

Position(s)

48
37
60
74
72
58
53

51
50
54
61
46

Co-Founder, Chairman and Chief Executive Officer
Chief Financial Officer

  Chief Medical Officer and Executive Vice President of Research and Development

Chief Scientific Officer
Chief Regulatory Officer
Chief Operating Officer
Senior Vice President of Preclinical Development

Director
Director
Director
Director
Director

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Executive Officers

Lan Huang, Ph.D. is our Co-founder, Chairman and Chief Executive Officer and has been a member of the board of directors
since November 2014. Dr. Huang brings over ten years of entrepreneurial experience in the Chinese and U.S. biotechnology industries.
In 2010, Dr. Huang founded Wanchun Biotech, the former holding company of our U.S. subsidiary. In 2007, Dr. Huang co-founded
Wuxi MTLH Biotechnology Co. Ltd, where she served as CEO in 2010 and continues to hold a directorship. The rights related to the
development and marketing of the peptide drug in China, which drug Dr. Huang designed while at Wuxi MTLH Biotechnology Co.
Ltd, were sold to Shanghai Pharmaceutical Group in 2010. Additionally, in 2008, Dr. Huang co-founded Paramax International Inc., a
CRO that conducts clinical trials for global biopharmaceutical and medical device companies. Paramax International Inc. was acquired
by ReSearch Pharmaceutical Services, Inc. in 2009. Dr. Huang was trained at Memorial Sloan Kettering Cancer Center from 1998 to
2002, where her research in cancer signaling pathways involving P53 degradation was published in Science. Her translational research
in cancer signaling pathways involving RAS was published in two Nature papers. She has invented and holds patents for a number of
biotech products for oncology and dermatology indications. Dr. Huang received her B.A., Magna Cum Laude and Phi Beta Kappa,
from Lawrence University, where she served as a trustee from 2012 to 2015. She received her Ph.D. in chemistry from the University
of California at Berkeley, where she won the international-level Women’s Opportunity Award given by Soroptimist International. She
also studied at Fudan University in Shanghai, China.

Edward Dongheng Liu has served as our Chief Financial Officer since March 26, 2018. Mr. Liu brings decade-long

experience in senior banking roles, supporting corporate financings and strategic transactions for clients in the Asia-Pacific region.
Through his experiences in equity investments and investment banking, he developed an expertise in financial analysis with a
particular focus in healthcare. From 2016 to 2018, Mr. Liu was a Partner and Executive Director at Epiphron Capital, a cross-border,
healthcare-focused investment fund, also an early investor of BeyondSpring. From 2013 to 2016, he served as Vice President and
subsequently as Senior Vice President of the Investment Banking and Capital Markets team at Jefferies Hong Kong Limited in Hong
Kong. Prior to that, he held various roles with increasing responsibilities at J.P. Morgan Securities (Asia Pacific) Limited, where he
focused on investment banking in the Asia-Pacific region. Mr. Liu received his bachelor’s degree in economics and mathematics from
Yale University. He also completed a year of biomedical engineering coursework at Tsinghua University before attending Yale.

Ramon W. Mohanlal, M.D., Ph.D. has served as our Chief Medical Officer since October 2015, and he also serves as

Executive Vice President of Research and Development. Most recently, from July 2015 to October 2015, Dr. Mohanlal served as a
consultant for AstraZeneca on its immuno-oncology programs to help support and manage several Phase 1/2 and 2/3 studies. Prior to
that, from January 2012 to July 2015, Dr. Mohanlal served as the Clinical Head of Established Products Oncology for Novartis AG, a
global healthcare company. From 2009 to 2012, Dr. Mohanlal was a consultant for Syntium Inc., a biopharmaceutical company, where
he was responsible for partnering, deal-making and creating business plans around drug development assets. From 2007 to 2009, Dr.
Mohanlal served as CEO and Chief Medical Officer for BioPremiere, Inc., a biopharmaceutical company focused on developing
biologics for serious diseases, where he was responsible for fundraising and partnering activities. From 2005 to 2007, Dr. Mohanlal
managed drug development and diagnostic development as Chief Medical Officer of Interleukin Genetics, Inc., a personalized health
company that develops genetic tests for use in the personalized health market. Dr. Mohanlal received his M.B.A. from the American
Intercontinental University in Illinois and earned both his M.D. and Ph.D. in experimental CV pharmacology from the University of
Leiden, The Netherlands.

G. Kenneth Lloyd, Ph.D. has served as our Chief Scientific Officer since June 1, 2015. Dr. Lloyd also served as the Chief

Scientific Officer of Wanchun Biotech, the former holding company of our U.S. subsidiary, from 2013 to 2014. From 2012 to 2015 Dr.
Lloyd served as a scientific consultant for Triphase Accelerator Corporation, a company focused on clinically enabling and out-
licensing oncology assets. From 2000 to 2012, Dr. Lloyd served as the Chief Scientific Officer of Nereus, where he oversaw the
company’s research and development and drug discovery programs including the company’s development of Plinabulin. In addition to
serving as a director of GKOL Inc., a consulting firm he co-founded, Dr. Lloyd also holds a directorship at Verne Mendel Medical
Corporation, a company focused on developing pharmaceutical product candidates to treat mitochondrial degenerative diseases. He is
widely published in journals that include Science, Nature and the New England Journal of Medicine. Dr. Lloyd received his
undergraduate education and M.S. in biochemistry at McGill University and earned his Ph.D. in pharmacology and toxicology from the
University of Toronto. He completed a post-doctoral fellowship at F. Hoffmann-La Roche AG, a global healthcare company in Basel,
Switzerland.

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Gordon L. Schooley, Ph.D. has served as our Chief Regulatory Officer since September 2016. Dr. Schooley also served as

our Senior Vice President of Regulatory Affairs from 2013 to September 2016. Dr. Schooley served as President of Advanced
Analytics and Informatics LLC from June 2008 to June 2016. From 2008 to 2009 Dr. Schooley served as a director of Progen
Pharmaceuticals and from 2005 to 2009 he served as Regulatory and Biostatistical Consultant. Dr. Schooley served as Chief Science
Officer and Senior Vice President of Clinical and Regulatory Affairs at both SkyePharma PLC and Pacira Pharmaceuticals, Inc. from
January 1999 to June 2008, and Vice President of Clinical and Regulatory Affairs at Alliance Pharmaceuticals Inc. from January 1989
to January 1999. Dr. Schooley received his undergraduate training and M.S. at Brigham Young University, and his Ph.D. in biostatistics
and medical care organization and administration at the University of Michigan School of Public Health.

Richard Daly, M.B.A. has served as our Chief Operating Officer since August 2018. Mr. Daly has more than 25 years of

experience heading business and commercial operations for leading pharmaceutical and biotech companies. Most recently, from
February 2016 to July 2018, Mr. Daly served as CEO, President and Chairman of Neuralstem, Inc., a clinical stage biotech company
focused in central nervous system disorders. From October 2014 to September 2016, Mr. Daly was the lead partner at RavineRock
Partners, a commercial consulting practice focused on biotech and pharmaceuticals. Before that, Mr. Daly served as the President of
AstraZeneca Diabetes U.S. from February 2014 to September 2014, and from August 2013 to January 2014, Mr. Daly served as the
President of BMS-AstraZeneca Diabetes Alliance U.S. Prior to this position, Mr. Daly was a Founder and a Partner at SagePath
Partners, a commercial service company serving the biotech and pharmaceutical industries, from October 2011 to July 2013. Prior to
the foregoing positions, from 1998 to 2011, Mr. Daly served in several capacities at Takeda North America, where he was instrumental
in building Takeda North America from 14 people to more than 3,000 employees and $5 billion in sales in less than seven years.
During his 13-year tenure, he served as Executive Vice President, U.S., from 2008 to 2011, where he was responsible for business
development for the Americas and for expanding the company’s commercial footprint across North and South America and into new
therapeutic areas including oncology Mr. Daly currently sits on the board of directors of Catalyst Pharmaceuticals and Opiant
Pharmaceuticals. Mr. Daly earned an M.B.A. from Northwestern University’s Kellogg School of Management and holds a B.S. in
microbiology from University of Notre Dame.

James R. Tonra, Ph.D. has served as our Senior Vice President of Preclinical Development since April 2018. Dr. Tonra has

worked for over 20 years in biotechnology, leading and utilizing in-house, contracted and sponsored research efforts to generate
definitive data packages that enable the prioritization of research projects and guide clinical development at Regeneron
Pharmaceuticals, Millennium Pharmaceuticals, ImClone Systems/Eli Lilly, and Kadmon Holdings. Dr. Tonra has collaborated with and
lead multidisciplinary teams to develop biologic and small molecule drug candidates for disease indications including inflammation,
oncology, diabetes, and CNS disorders. He has authored over 40 peer-reviewed publications and is an inventor on numerous use-
patents. At ImClone Systems, prior to the successful acquisition by Eli Lilly, Dr. Tonra’s efforts significantly contributed to the IND
filing and clinical strategy development for 8 novel drugs, 3 of which are now approved therapies for cancer: Cyramza, Portrazza and
Lartruvo. Dr. Tonra received his Ph.D. in Physiology and Biophysics from SUNY at Stony Brook and B.S. in Physics, Summa Cum
Laude, from SUNY at Stony Brook.

Non-Employee Directors

Patrick Fabbio, M.B.A. has served on our board since January 2, 2018. Mr. Fabbio is currently the Chief Financial Officer of

Progenics Pharmaceuticals, Inc. a public biotech company. Prior to joining Progenics in November 2015, he was Chief Financial
Officer of electroCore LLC, a privately-held bioelectric medicine healthcare company, and Vice President, Finance for NPS
Pharmaceuticals, Inc., a publicly traded, global rare disease company that was acquired by Shire. Mr. Fabbio has more than 20 years of
financial leadership experience in both public and private life science and pharmaceutical companies in various roles, including: Vice
President, Finance of Catalent Pharma Solutions Inc.; Chief Financial Officer of Ikano Therapeutics Inc.; senior corporate finance,
commercial and transactional roles at Sanofi; and Corporate Controller for Biomatrix Inc., a publicly traded biotechnology company
that was acquired by Genzyme. He received his B.B.A. in accounting at Pace University and M.B.A. from the Stern School of Business
at New York University.

Matthew Kirkby, M.A. has served on our board since October 13, 2016. Mr. Kirkby brings over 20 years of banking

experience to our board. He has held senior management positions in London, Hong Kong and Singapore. From 2015 to 2016 Mr.
Kirkby served as Head of Corporate Banking Asia Pacific for HSBC in Hong Kong. From 2012 to 2015 Mr. Kirkby was the CEO
North Asia and Co-Head of Investment Banking for CIMB in Hong Kong. He served as Managing Director, Global Head of ECM and
Corporate Finance from 2008 to 2010 and Managing Director, Head of Global Banking Asia Pacific from 2010 to 2012 at the Royal
Bank of Scotland. Between 1999 and 2007 Mr. Kirkby held various positions at ABN AMRO. He is currently a director or adviser to a
number of privately held companies. He received his M.A. in jurisprudence at Pembroke College, University of Oxford in the United
Kingdom.

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Quanqi Song, Ph.D. has served on our board since May 1, 2016. Since 2013, Dr. Song has served as director of China Coal

International Leasing Co., Ltd., a company providing international leasing, consultant and management services, where he continues to
hold a directorship. Additionally, since 2007, Dr. Song has served as an investment manager and executive director of Shenjin
Investment Limited. Dr. Song received his undergraduate degree in geography, followed by a postgraduate degree in natural resources,
from Henan University in Kaifeng, China. Dr. Song earned his Ph.D. in finance and banking from Renmin University of China in
Beijing.

Yanbin Xie, M.D. has served on our board since May 1, 2016. Dr. Xie has had a long career in drug development research.
From 1997 to January 1, 2018, Dr. Xie was the General Manager of ICON Clinical Research (Beijing No. 2) Co., Limited, formerly
BeijingWits Medical Consulting Ltd., a provider of outsourced development services to the biotechnology, pharmaceutical and medical
device industries. At ICON, Dr. Xie was responsible for coordinating strategic goals and development, training management teams and
overseeing regulatory compliance. Dr. Xie founded BeijingWits, the first Chinese joint venture CRO, in 1997 with the goal of bringing
international standards for clinical trials to China. Dr. Xie continues to hold a directorship at Beijing Wits Science & Technology Co.
Ltd., which he has held since 1995. Since 2011, Dr. Xie has also served as a director of Med-Sonics Corp., a company focused on the
development of ultrasonic devices. Dr. Xie received his M.D. from Shanxi Medical University, in Taiyuan, China, specializing in
clinical medicine.

Christine Ying Zhao, M.B.A. has served on our board since October 13, 2016. Since 2016, Ms. Zhao has been a Managing

Partner of Yuanming Capital, a VC/PE fund focused on cross-border investment and acquisition opportunities between the U.S. and
China, particularly in the healthcare industry. Previously Ms. Zhao served as the Group Chief Financial Officer of BEST Logistics
Technology (China) Co., Ltd. Prior to this, Ms. Zhao served as a Managing Director at Bank of America Merrill Lynch and as an
Executive Director at JPMorgan, where she held senior positions (including regional CFO and COO) in global corporate and
investment banking units. Ms. Zhao has worked for a number of corporations in various roles including strategy and corporate venture
investing at American Express in New York, London and Singapore, investment banking at Goldman Sachs in Hong Kong and
corporate development at FedEx Corporation in the U.S. She brings to the board unique management experience as she has managed
teams across four continents. Ms. Zhao currently serves as a board member of the Chinese Finance Association, a non-profit
organization with over 6,000 members worldwide. A Chartered Financial Analyst, or CFA, Ms. Zhao holds an M.B.A. from Harvard
Business School and a B.S. in Economics with distinction from Fudan University in Shanghai, China.

Changes in Directors and Officers in 2018

Resignation of Richard Brand

Richard A. Brand resigned as our Chief Financial Officer effective as of February 20, 2018. Mr. Brand’s departure was not the

result of any disagreement with us or our Board of Directors on any matter relating to our operations, policies or practices. In
connection with Mr. Brand’s departure, we entered into a separation agreement with Richard Brand, as described below. Our former
Controller, Amy Yang, acted as the Company’s interim Chief Financial Officer until Edward Dongheng Liu was appointed as Chief
Financial Officer on March 26, 2018.

In connection with his resignation, we entered into a Severance Agreement and General Release with Mr. Brand, dated
February 20, 2018, pursuant to which we agreed to pay Mr. Brand one month base salary and to pay health insurance premiums for Mr.
Brand and his dependents through May 31, 2018, in exchange for execution by Mr. Brand of a general release of claims against us.  Mr.
Brand will continue to be bound by the restrictive covenants contained in his employment agreement and his mutual confidentiality and
non-disclosure agreement.  Mr. Brand’s unvested restricted share awards were forfeited as of the date of his resignation.

Resignation of Nanxing He and Mulong Liu

On January 2, 2018, each of Dr. Nanxing He and Mr. Mulong Liu resigned from the board.

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B.

Compensation

Compensation of Executive Officers and Directors in 2018

With respect to the year ended December 31, 2018, the aggregate cash compensation, including benefits in kind, accrued or
paid by us and our subsidiaries to our directors and executive officers (including our former CFO Richard Brand (resigned February
20, 2018) and former directors Nanxing He and Mulong Liu (each resigned January 2, 2018).) was $2 million, and the aggregate equity
compensation by us and our subsidiaries to our directors and executive officers was $6 million (including stock options, as described in
“—2017 Omnibus Incentive Plan” below). This amount does not include business travel, relocation, professional and business
association dues and expenses reimbursed to such persons, and other benefits commonly reimbursed or paid by companies in our
industry. For the year ended December 31, 2018, we did not separately set aside any amounts for pensions, retirement or other benefits
for our directors and executive officers.

Director Agreements

We have entered into a director agreement, or the Director Agreement, with each of our non-employee directors. Under the

terms of each Director Agreement, the annual compensation payable to our non-employee directors consists of:

•

•

an annual cash retainer fee equal to $30,000 (pro-rated for any partial year of service), plus an additional cash retainer fee
equal to $3,750 (pro-rated for any partial year of service) for any director serving as chairman of either the Compensation
Committee, the Nominating and Corporate Governance Committee, or the Audit Committee, and

an annual grant of restricted shares with a grant date value of $30,000 (pro-rated for any partial year of service), plus an
additional grant of restricted shares with a grant date value of $3,750 (pro-rated for any partial year of service, but not
pro-rated in respect of fiscal year 2017) for any director serving as chairman of either the Compensation Committee, the
Nominating and Corporate Governance Committee, or the Audit Committee, in each case paid on a fiscal year basis in
arrears.

Such restricted shares are issued under the BeyondSpring Inc. 2017 Omnibus Incentive Plan, or the 2017 Omnibus Incentive

Plan and vest in equal installments on the first three anniversaries of the grant date, subject to the director’s continued service as our
director through the applicable vesting dates. Any grant of restricted shares made to a non-employee director will be subject to the
terms and conditions of the 2017 Omnibus Incentive Plan and the applicable restricted share award agreement memorializing such
grant.

On December 20, 2018, we made the following grants of restricted shares to our non-employee directors in respect of their

annual share grant entitlements under their Director Agreements (subject to vesting as described above):  Mr. Fabbio, 1,704 shares; Mr.
Kirkby, 1,704 shares; Dr. Song, 1,515 shares; Dr. Xie, 1,515 shares; and Ms. Zhao, 1,704 shares.

As of March 25, 2019, our non-employee directors held the following number of restricted shares: Mr. Fabbio, 1,704 shares

(of which none were vested); Mr. Kirkby, 2,550 shares (of which 282 were vested); Dr. Song, 2,250 shares (of which 245 were vested);
Dr. Xie, 2,250 shares (of which 245 were vested); and Ms. Zhao, 2,550 shares (of which 282 were vested).  No former directors hold
any shares under the 2017 Omnibus Incentive Plan.

For additional information regarding equity-based grants under our 2017 Omnibus Incentive Plan, see “—2017 Omnibus

Incentive Plan.”

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Employment Agreements

Lan Huang, Ph.D.

Dr. Lan Huang, our Co-founder, Chairman and Chief Executive Officer, is party to an amended and restated employment

agreement with BeyondSpring U.S. dated as of November 10, 2016. Dr. Huang’s employment agreement provides for an annual base
salary of $300,000, which is subject to review and adjustment in accordance with company policy. Dr. Huang’s base salary for fiscal
year 2018 was $300,000.  Dr. Huang is eligible to participate in any bonus program, on a basis consistent with that applicable to other
employees at her level, in accordance with company policy. Dr. Huang is also eligible to receive payment for the cost of her medical
insurance. Dr. Huang is required to use her best efforts to remain in our employment for a minimum of three years, but her employment
is at will, and can be terminated by us at any time or by Dr. Huang upon four weeks’ notice.  Dr. Huang’s employment agreement
contains a two year non-solicit of employees, a confidentiality provision and an assignment of intellectual property provision.

Edward Dongheng Liu

Mr. Edward Dongheng Liu, our Chief Financial Officer, is party to an employment agreement with BeyondSpring U.S., dated
as of March 26, 2018. Mr. Liu’s employment agreement provides for an annual base salary of $300,000, which is subject to review and
adjustment in accordance with company policy. Mr. Liu is eligible for an annual merit bonus of two-month salary based on certain pre-
specified milestones. Mr. Liu is also eligible to receive payment for the cost of his medical insurance up to a maximum of $500 per
month. Mr. Liu is required to use his best efforts to remain in our employment for a minimum of four years, but his employment is at
will, and can be terminated by us at any time or by Mr. Liu upon four weeks’ notice.  Mr. Liu’s employment agreement contains a two
year non-solicit of employees, a confidentiality provision, and an assignment of intellectual property provision.

Ramon Mohanlal, M.D., Ph.D.

Dr. Ramon Mohanlal, our Chief Medical Officer, is party to an amended and restated employment agreement with
BeyondSpring U.S., dated as of November 10, 2016.  Dr. Mohanlal’s employment agreement provides for an annual base salary of
$300,000, which is subject to review and adjustment in accordance with company policy. Dr. Mohanlal’s base salary for fiscal year
2018 was $300,000. Dr. Mohanlal is eligible for an annual merit bonus of 30% of his annual salary based on certain pre-specified
milestones. Dr. Mohanlal is also eligible to receive payment for the cost of his medical insurance up to a maximum of $500 per month.
Dr. Mohanlal is required to use his best efforts to remain in our employment for a minimum of five years, but his employment is at
will, and can be terminated by us at any time and by Dr. Mohanlal upon four weeks’ notice.  Dr. Mohanlal’s employment agreement
contains a two year non-solicit of employees, a confidentiality provision and an assignment of intellectual property provision.

Gordon L. Schooley, Ph.D.

Dr. Gordon Schooley, our Chief Regulatory Officer, is party to an amended and restated employment agreement with

BeyondSpring U.S., dated as of November 10, 2016. Dr. Schooley’s employment agreement provides for an annual base salary of
$250,000, which is subject to review and adjustment in accordance with company policy. Dr. Schooley’s base salary for fiscal year
2018 was $250,000. Dr. Schooley is eligible for an annual merit bonus of 20% of his annual salary based on certain pre-specified
milestones. Dr. Schooley is also eligible to receive payment for the cost of medical insurance for him and his wife. Dr. Schooley is
required to use his best efforts to remain in our employment for a minimum of three years, but his employment is at will, and can be
terminated by us at any time and by Dr. Schooley upon four weeks’ notice.  Dr. Schooley’s employment agreement contains a two year
non-solicit of employees, a confidentiality provision and an assignment of intellectual property provision.

Richard J. Daly

          Mr. Richard Daly, our Chief Operating Officer, is party to an employment with BeyondSpring U.S. dated as of June 8, 2018.  Mr.
Daly’s employment agreement provides for an annual base salary of $300,000, which is subject to review and adjustment in accordance
with company policy. Mr. Daly is eligible for an annual merit bonus of 30% of his annual salary based on certain pre-specified
milestones.  In addition, Mr. Daly is eligible for certain performance-based incentive bonuses, based on attainment of various
milestones relating to business development and global sales. If earned, any such amounts shall be paid in either cash or fully vested
ordinary shares, at Mr. Daly’s election.

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Mr. Daly is required to use commercially reasonable efforts to remain in our employment for a minimum of five years, but his

employment is at will, and can be terminated by us at any time or by Mr. Daly upon 4 weeks’ notice.  If we terminate Mr. Daly’s
employment other than for Cause (as defined in his employment agreement) or due to death or disability, or if Mr. Daly terminates his
employment for Good Reason (as defined in his employment agreement), then Mr. Daly is entitled (subject to his execution of a release
of claims) to: (i) 9 months of salary continuation; (ii) a pro-rated portion of any bonus earned for the year in which his termination
occurs, based on actual performance results, paid at the same time as other senior executives; and (iii) a reduced portion, determined
based on length of service and length of period between termination and achievement, of certain of his performance-based incentive
bonuses, if any, subsequently achieved.  Mr. Daly’s employment agreement contains a two year non-solicit of employees, a
confidentiality provision and an assignment of intellectual property provision.

James Tonra, Ph.D.

          Dr. James Tonra, our Senior Vice President, Preclinical Development, is party to an employment with BeyondSpring U.S. dated
as of March 16, 2018.  Mr. Tonra’s employment agreement provides for an annual base salary of $280,000, which is subject to review
and adjustment in accordance with company policy.  Dr. Tonra is eligible for an annual merit bonus of 30% of his annual salary based
on certain pre-specified milestones.  Dr. Tonra is also eligible to receive payment for the cost of his medical insurance up to a
maximum of $500 per month.   Dr. Tonra is required to use best efforts to remain in our employment for a minimum of four years, but
his employment is at-will and can be terminated by us at any time or by Dr. Tonra upon four weeks’ notice.  If we terminate Dr. Tonra’s
employment without Cause (as defined in his employment agreement), Dr. Tonra is entitled to three months of severance.  Dr. Tonra’s
employment agreement contains a two year non-solicit of employees, a confidentiality provision and an assignment of intellectual
property provision.

Consulting Arrangements

G. Kenneth Lloyd, Ph.D.

Dr. G. Kenneth Lloyd, our Chief Scientific Officer, has provided consulting services to BeyondSpring U.S., and prior to the

formation of BeyondSpring U.S., to our subsidiary Wanchun Pharma, since December 16, 2012. Based on the consulting service
contracts entered into with Dr. Lloyd, the consulting service fees were $207,500 for his services provided during the year ended
December 31, 2018. As part of his consulting agreement, Dr. Lloyd is also reimbursed for the cost of health insurance for him and his
wife as well as certain consulting expenses.

2017 Omnibus Incentive Plan

In connection with our initial public offering, we adopted the 2017 Omnibus Incentive Plan to provide additional incentives to

selected directors, officers, employees and consultants, and to enable our company to obtain and retain the services of these
individuals. The 2017 Omnibus Incentive Plan enables us to grant restricted shares, options or other awards to our directors, employees
and consultants. Up to 2,137,037 ordinary shares were authorized pursuant to awards under the 2017 Omnibus Incentive Plan. Awards
will be made pursuant to award agreements and may be subject to vesting and other restrictions as determined by the board of
directors.

Restricted Share Awards

We have granted restricted share awards under the 2017 Omnibus Incentive Plan to certain of our employees and consultants,

including certain of our executive officers.  Under the terms of the restricted share award agreements, if an executive officer is
terminated without “cause” within 12 months of a “change in control” (each as defined in the 2017 Omnibus Incentive Plan), then any
unvested time-based restricted shares will become fully vested on the termination date. If the executive officer’s employment or
engagement terminates due to death or disability, the next tranche of time-based restricted shares that would have vested had the
executive officer remained in service with us through the applicable vesting date will become fully vested on the termination date, and
any remaining unvested time-based restricted shares as of the termination date will be forfeited. Upon any other termination of
employment or engagement, all unvested time-based restricted shares as of the termination date will be forfeited. Upon any termination
of service for any reason, all unvested performance-based restricted shares as of the termination date will be forfeited.

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We did not grant any restricted shares to our executive officers in 2018. In February 2018, Mr. Richard Brand forfeited 75,000

restricted shares following his resignation from our company. In May 2018, Dr. Schooley forfeited 20,000 restricted shares following
his failure to pay consideration due on a call by us under our memorandum and articles of association.

On April 25, 2019, we granted Mr. Liu 100,000 restricted shares, which will vest as follows: (i) 50,000 shares will vest in four

equal installments on each of May 1, 2019, March 26, 2020, 2021 and 2022; and (ii) 50,000 shares will vest on the attainment of
various milestones related to capital markets activities.

As of March 25, 2019, our executive officers held the following number of restricted shares:  Dr. Huang, 0 shares; Mr. Liu, 0

shares; Dr. Mohanlal, 227,220 shares (82,200 of which were vested); Dr. Lloyd, 27,100 shares (all of which were vested); Dr.
Schooley, 7,000 shares (all of which were vested); Mr. Daly, 0 shares; and Dr. Tonra, 0 shares.

Option Awards

We have also granted non-qualified stock options to purchase our ordinary shares under the 2017 Omnibus Incentive Plan, or
“options,” to certain of our executive officers.  The options are subject to a combination of time-based vesting and performance-based
vesting (as described further below), subject to the executive officer’s continued service with us through the applicable vesting date. 
The options, if not earlier exercised or forfeited, expire on the tenth anniversary of the date of grant.

Under the terms of the 2017 Omnibus Incentive Plan and option agreements, (i) if the options are assumed or substituted for in

the change in control, if the executive officer is terminated without cause within 12 months of such change in control, then any
unvested options will become vested and will remain exercisable for the 90-day period following the termination date, and (ii) if the
options are not assumed or substituted for in the change of control, then any unvested options will become vested upon such change of
control and otherwise be treated as determined by the plan administrator.

If the executive officer’s employment or engagement terminates due to death or disability, the next tranche of time-based

options that would have vested had the executive officer remained employed or engaged through the applicable vesting date will
become fully vested on the termination date (and will remain exercisable for one year following such termination), and any remaining
unvested time-based options will be forfeited. On a termination by us for cause, all vested and unvested options are forfeited. On a
termination for any other reason, vested options remain exercisable for three months following such termination date. Upon any
termination of employment, any unvested performance-based options as of the termination date will be forfeited.

In 2018, we granted the following options to our executive officers:

• Mr. Daly: 100,000 options, granted on August 2, 2018, at an exercise price of $24.41 per share, which will vest as

follows: (i) 10,000 options will vest on the first anniversary of the grant date; (ii) 40,000 options will vest in sixteen equal
installments on each September 30, December 31, March 31, and June 30 thereafter (with the last installment vesting on
June 30, 2023); and (iii) 50,000 options will vest on the attainment of various component milestones related to the equity
raise and the launch of commercial sales of any product in China and the U.S. In addition, with respect to 40,000 of the
performance-based options, Mr. Daly will be entitled to post-termination vesting (either in full or pro-rated) upon
achievement of certain milestones, with such options remaining exercisable for 3 months thereafter, and then forfeited if
not exercised.

•

Dr. Tonra: 30,000 options, granted on March 16, 2018, at an exercise price of $27.30 per share, which will vest as
follows: (i) 3,500 options will vest on May 1, 2019; (ii) 12,000 options will vest in twelve equal installments on each
August 1, November 1, February 1 and May 1 thereafter (with the last installment vesting on May 1, 2022); and (iii)
14,500 options will vest on the attainment of various milestones in the research, development, testing and realization of
Plinabulin, BPI-002 and BPI- 004.

As of March 25, 2019, our executive officers held the following options:

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•

Dr. Huang:  none.

• Mr. Liu: none.

•

•

•

Dr. Mohanlal: 170,000 options, granted on December 20, 2017 at an exercise price of $29.00 per share, all of which were
vested.

Dr. Lloyd: 72,900 options, granted on December 20, 2017 at an exercise price of $29.00 per share, all of which were
vested.

Dr. Schooley: 93,000 options, granted on December 20, 2017 at an exercise price of $29.00 per share, all of which were
vested.

• Mr. Daly: 100,000 options, as described above.

•

Dr. Tonra:  30,000 options, as described above.

Stock Bonus Awards

On April 11, 2017, we granted a stock bonus award opportunity to Dr. Mohanlal under the 2017 Omnibus Incentive Plan. Dr.

Mohanlal will be eligible to receive up to a maximum of 300,000 ordinary shares payable in installments upon our recognition of
specified amounts of cumulative net income in connection with the attainment of various component milestones in the research,
development, testing and realization of the drug BPI-002, subject to his continued employment through the attainment of each
applicable milestone. Dr. Mohanlal will also be eligible to receive up to a maximum of 300,000 additional ordinary shares payable in
installments upon our recognition of specified amounts of cumulative net income in connection with the attainment of various
component milestones in the research, development, testing and realization of the drug BPI-004, subject to his continued employment
through the attainment of each applicable milestone.

Under the terms of the applicable stock bonus award agreements, if Dr. Mohanlal’s employment terminates for any reason

(other than in connection with a change in control, as described below), any bonus payment for which the applicable milestone has not
been attained as of the termination date will be forfeited, provided, that if we terminate Dr. Mohanlal’s employment without cause and
within six months following such termination any milestone is attained, then he will be eligible to receive the number of ordinary
shares that he would have received upon the attainment of such milestone had he still been employed on such date. If we terminate Dr.
Mohanlal’s employment without cause within 12 months of a change in control (as defined in the 2017 Omnibus Incentive Plan)
following which the stock bonus award agreement is assumed by the successor entity, then the next bonus tranche that would have
become payable upon attainment of the next milestone will become fully vested on the termination date. If the stock bonus award
agreement is not assumed by the successor entity in the change in control, then the next bonus tranche that would have become payable
upon attainment of the next milestone will become fully vested on the date of the change in control.

C.

Board Practices

Board of Directors

Our board of directors currently consists of six members, all of whom were elected pursuant to our current articles of
association. Our nominating and governance committee and board of directors consider a broad range of factors relating to the
qualifications and background of nominees, which may include diversity and is not limited to race, gender or national origin. We have
no formal policy regarding board diversity. Our nominating and governance committee’s and board of directors’ priority in selecting
board members is identification of persons who will further the interests of our shareholders through his or her established record of
professional accomplishment, the ability to contribute positively to the collaborative culture among board members, knowledge of our
business, understanding of the competitive landscape and professional and personal experiences and expertise relevant to our growth
strategy.

There is no Cayman Islands law requirement that a director must hold office for a certain term and stand for re-election unless
the resolutions appointing the director impose a term on the appointment. Our amended and restated articles of association provide that
our directors shall hold office until the expiration of his or her term and until his or her successor shall have been elected and qualified.

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A director may be elected by ordinary resolution either to fill a casual vacancy on the board of directors or as an addition to

the existing board of directors. The directors by the affirmative vote of a simple majority of the remaining directors present and voting
at a board meeting shall have the power from time to time and at any time to appoint any person as a director to fill a casual vacancy on
the board of directors or as an addition to the existing board of directors, subject to our compliance with director nomination
procedures required under applicable corporate governance rules of the NASDAQ Capital Market, as long as our company’s securities
are traded on the NASDAQ Capital Market. A director may be removed from office by ordinary resolution at any time before the
expiration of his or her term. The Director Agreement does not provide for any benefits upon termination of service to our directors.

Director Independence

Our board of directors has determined that Patrick Fabbio, Matthew Kirkby, Quanqi Song, Yanbin Xie and Christine Ying

Zhao are independent, as determined in accordance with the rules of the NASDAQ Capital Market. In making such independence
determination, our board of directors considered the relationships that each such non-employee director has with us and all other facts
and circumstances that the board of directors deemed relevant in determining their independence, including the beneficial ownership of
our share capital by each non-employee director and the transactions involving them described in “Item 7. Major Shareholders and
Related Party Transactions—B. Related Party Transactions.” The composition and functioning of our board of directors and each of
our committees comply with all applicable requirements of the NASDAQ Capital Market and the rules and regulations of the SEC.
There are no family relationships among any of our directors or executive officers.

Board Committees

Our board of directors has established an audit committee, a compensation committee and a nominating and corporate

governance committee, each of which operates pursuant to a separate charter adopted by our board of directors. The composition and
functioning of all of our committees comply with all applicable requirements of the Sarbanes-Oxley Act, the Dodd-Frank Wall Street
Reform and Consumer Protection Act, the NASDAQ Capital Market and SEC rules and regulations.

Audit Committee

Patrick Fabbio, Matthew Kirkby and Quanqi Song currently serve on the audit committee, which is chaired by Patrick Fabbio.

Our board of directors has determined that each member of the audit committee is “independent” for audit committee purposes as that
term is defined in the rules of the SEC and the applicable rules of the NASDAQ Capital Market. The audit committee’s responsibilities
include:

•

•

selecting and appointing our independent registered public accounting firm, and approving the audit and permitted non-
audit services to be provided by our independent registered public accounting firm;

evaluating the performance and independence of our independent registered public accounting firm;

• monitoring the integrity of our financial statements and our compliance with legal and regulatory requirements as they

relate to our financial statements or accounting matters;

•

•

•

reviewing the adequacy and effectiveness of our accounting and internal control policies and procedures;

establishing procedures for the receipt, retention and treatment of accounting-related complaints and concerns;

reviewing and discussing with the independent registered public accounting firm the results of our year-end audit, and
recommending to our board of directors, based upon such review and discussions, whether our financial statements shall
be included in our annual report on Form 20-F;

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•

•

reviewing all related party transactions for potential conflict of interest situations and approving all such transactions; and

reviewing the type and presentation of information to be included in our earnings press releases, as well as financial
information and earnings guidance provided by us to analysts and rating agencies.

Compensation Committee

Matthew Kirkby, Yanbin Xie and Christine Ying Zhao currently serve on the compensation committee, which is chaired by

Matthew Kirkby. Our board of directors has determined that each member of the compensation committee is “independent” as that
term is defined in the applicable rules of the NASDAQ Capital Market. The compensation committee’s responsibilities include:

•

•

•

•

•

•

•

reviewing the goals and objectives of our executive compensation plans, as well as our executive compensation plans in
light of such goals and objectives;

evaluating the performance of our executive officers in light of the goals and objectives of our executive compensation
plans and recommending to our board of directors with respect to the compensation of our executive officers;

reviewing the goals and objectives of our general compensation plans and other employee benefit plans, as well as our
general compensation plans and other employee benefit plans in light of such goals and objectives;

retaining and approving the compensation of any compensation advisors;

reviewing all equity-compensation plans to be submitted for shareholder approval under the NASDAQ listing rules, and
reviewing and approving all equity-compensation plans that are exempt from such shareholder approval requirement;

evaluating the appropriate level of compensation for board and board committee service by non-employee directors; and

reviewing and approving description of executive compensation included in our annual report on Form 20-F.

Nominating and Corporate Governance Committee

Matthew Kirkby, Yanbin Xie and Christine Ying Zhao currently serve on the nominating and corporate governance
committee, which is chaired by Christine Ying Zhao. Our board of directors has determined that each member of the nominating and
corporate governance committee is “independent” as that term is defined in the applicable rules of the NASDAQ Capital Market. The
nominating and corporate governance committee’s responsibilities include:

•

•

•

•

assisting our board of directors in identifying prospective director nominees and recommending nominees for election by
the shareholders or appointment by our board of directors;

advising the board of directors periodically with respect to significant developments in the law and practice of corporate
governance as well as our compliance with applicable laws and regulations, and making recommendations to our board of
directors on all matters of corporate governance and on any corrective action to be taken;

overseeing the evaluation of our board of directors; and

recommending members for each board committee of our board of directors.

Our board of directors may establish other committees from time to time.

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D.

Employees

As of December 31, 2018, we had 52 full-time employees. Of these, 38 were engaged in full-time research and development
and laboratory operations and 14 were engaged in full-time general and administrative functions. As of December 31, 2018, 18 of our
employees were located in China and 34 were located in the U.S. We have also engaged and may continue to engage independent
contractors who are not full-time employees, to assist us with our operations. None of our employees are represented by a labor union
or covered by a collective bargaining agreement. We have never experienced any employment related work stoppages, and we consider
our relations with our employees to be good. The following table sets out our total number of employees by function for the last three
years.

Research and Development and Laboratory Operations
General and Administrative Functions

E.

Share Ownership

2016

2017

2018

12     
12     

22     
10     

38 
14 

For information regarding the share ownership of our directors and executive officers, see “Item 7. Major Shareholders and

Related Party Transactions—A. Major Shareholders.” For information regarding equity-based grants to our directors, executive officers
and other employees, see “Item 6. Directors, Senior Management and Employees—B. Compensation—Director Agreements” and
“Item 6. Directors, Senior Management and Employees—B. Compensation—2017 Omnibus Incentive Plan.”

Item 7. Major Shareholders and Related Party Transactions

A.

Major Shareholders

The following table sets forth information with respect to the beneficial ownership of our ordinary shares as of March 25,

2019 by:

•

•

•

each person or group of affiliated persons known by us to own beneficially 5% or more of our outstanding ordinary
shares;

each of our directors and executive officers individually; and

all of our executive officers and directors as a group.

The beneficial ownership of our ordinary shares is determined in accordance with the rules of the SEC and generally includes
any shares over which a person exercises sole or shared voting or investment power, and includes the ordinary shares issuable pursuant
to stock options that are exercisable within 60 days of March 25, 2019.  Ordinary shares issuable pursuant to stock options are deemed
outstanding for computing the percentage of the person holding such options but are not outstanding for computing the percentage of
any other person. As of March 25, 2019, there were 349,400 ordinary shares issuable pursuant to stock options exercisable within 60
days thereof.

The calculation of percentage of ordinary shares beneficially owned in the table below is based on 23,184,612 ordinary shares
outstanding as of March 25, 2019. Except where otherwise indicated, we believe, based on information furnished to us by such owners,
that the beneficial owners of the ordinary shares listed below have sole investment and voting power with respect to such shares.

Unless otherwise noted below, each shareholder’s address is c/o BeyondSpring Inc., 28 Liberty Street, 39th Floor, New York,

NY 10005.

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Name of Beneficial Owner
5% Shareholders
Ever Regal Group Limited(1)
Fairy Eagle Investment Limited(1)
Rosy Time Holdings Limited(1)
NPBSIPO Liquidating Trust(2)
Entities affiliated with Sangel Venture Capital(3)
Executive Officers and Directors
Lan Huang(1)
Edward Dongheng Liu(4)
Ramon W. Mohanlal(5)
G. Kenneth Lloyd(6)
Gordon L. Schooley(7)
Richard Daly(8)
James R. Tonra(9)
Patrick Fabbio(10)
Matthew Kirkby(11)
Quanqi Song(12)
Yanbin Xie(13)
Christine Ying Zhao(14)
All Directors and Executive Officers as a group (12 people)

Number of
Ordinary Shares
Beneficially Owned   

%

3,660,000     
4,620,000     
2,190,000     
1,932,963     
2,105,494     

11,207,037     
55,555     
397,220     
100,000     
100,000     
10,000     
3,500     
1,704     
2,550     
687,788     
2,250     
2,550     
12,570,154     

15.79 
19.93 
9.45 
8.34 
9.08 

48.34 
* 
1.68 
* 
* 
* 
* 
* 
* 
2.97 
* 
* 
53.41 

* Amounts represent less than 1% of outstanding ordinary shares.

(1) Dr. Lan Huang, our Co-founder, Chairman and Chief Executive Officer, is the sole owner of Ever Regal Group Limited. Mr.
Linqing Jia, Dr. Huang’s spouse, is the sole owner of Fairy Eagle Investments Limited and Rosy Time Holdings Limited. Dr.
Huang and Mr. Jia collectively also own approximately 90% of the equity interest in Wanchun Biotech. Dr. Huang and Mr. Jia may
be deemed to have shared voting and dispositive power over the shares held by each of Ever Regal Group Limited, Fairy Eagle
Investments Limited, Rosy Time Holdings Limited and Wanchun Biotech, and the 137,037 restricted shares, all of which have
been vested, held of record by Mr. Jia. The amount also includes 600,000 ordinary shares held by Lan Huang 2018 Grantor
Retained Annuity Trust, over which Dr. Huang as the trustee has the sole voting and dispositive power.

(2) Consisting of 1,932,963 ordinary shares owned by NPBSIPO Liquidating Trust. BSIPO Trustee MGR LLC is the Administrator

Trustee of NPBSIPO Liquidating Trust. Mr. Kobi Sethna has sole discretion to direct the Administrator Trustee with respect to
voting and investment power over the shares owned by NPBSIPO Liquidating Trust.

(3) Consisting of 800,000 ordinary shares owned by Beijing Sangel Fang Sheng Venture Capital (Limited Partnership), 300,000

ordinary shares owned by Shenzhen Sangel Jing Rui Venture Capital (Limited Partnership), 200,000 ordinary shares owned by
Shenzhen Sangel Sino-Euro Venture Capital (Limited Partnership), 444,444 ordinary shares owned by Beijing Huarong Sangel
Venture Capital (Limited Partnership) (previously named Beijing Sangel Venture Capital (Limited Partnership)) (“Beijing Huarong
Sangel”) and 361,050 ordinary shares owned by Sangel Star Biomedical Fund LP. Shenzhen Sangel Capital Management Limited
Company (“Sangel Venture Capital”) is the sole general partner of Beijing Sangel Fang Sheng Venture Capital (Limited
Partnership), Shenzhen Sangel Jing Rui Venture Capital (Limited Partnership) and Shenzhen Sangel Sino-Euro Venture Capital
(Limited Partnership). Sangel Star Biomedical Fund LP is an affiliate of Sangel Venture Capital. The managing members of
Sangel Venture Capital are Mr. Mulong Liu (who is a founding partner of Sangel Venture Capital and one of our former directors),
Dr. Feng Fang, Dr. Nanxing He (who is one of our former directors), Dr. Jinglong Liu, Mr. Xiaoming Yang and Dr. Huali Zhang.
The address of Sangel Venture Capital is 8th Floor, Design House, Donghua Garden, Nanshan District, Shenzhen, China. Sangel
Venture Capital and Huarong Tianze Investments Limited (“Huarong Tianze”) are the general partners of Beijing Huarong Sangel
Venture Capital (Limited Partnership). The managing members of Huarong Tianze are Mr. Xiaoming Ran and Mr. Xiaodong Wu.
The address of Huarong Tianze is 2nd Floor, Building A, No. 8 Financial Street, Xicheng District, Beijing, China.

(4) Consisting of 55,555 ordinary shares held of record by Mr. Edward Dongheng Liu.

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(5) Consisting of (i) 227,220 restricted shares, 82,200 of which have been vested, held of record by Dr. Ramon W. Mohanlal, granted
under the 2017 Omnibus Incentive Plan and (ii) vested options to purchase 170,000 ordinary shares, granted under the 2017
Omnibus Incentive Plan.

(6) Consisting of (i) 27,100 restricted shares, all of which have been vested, held of record by Dr. G. Kenneth Lloyd, granted under the

2017 Omnibus Incentive Plan and (ii) vested options to purchase 72,900 ordinary shares.

(7) Consisting of (i) 7,000 restricted shares, all of which have been vested, held of record by Dr. Gordon Schooley granted under the

2017 Omnibus Incentive Plan, and (ii) vested options to purchase 93,000 ordinary shares.

(8) Consisting of options to purchase 10,000 ordinary shares granted under the 2017 Omnibus Incentive Plan.

(9) Consisting of options to purchase 3,500 ordinary shares granted under the 2017 Omnibus Incentive Plan, which will vest on May

1, 2019.

(10) Consisting of 1,704 restricted shares, none of which have been vested, held of record by Mr. Patrick Fabbio granted under the 2017

Omnibus Incentive Plan.

(11) Consisting of 2,550 restricted shares, 282 of which have been vested, held of record by Mr. Matthew Kirkby granted under the

2017 Omnibus Incentive Plan.

(12) Consisting of 687,788 ordinary shares owned by Hover Dragon Investment Limited, an entity wholly owned by Winning View

Investments Limited and 2,250 restricted shares, 245 of which have been vested, held by record by Dr. Quanqi Song. Dr. Quanqi
Song, a member of our board of directors, is the sole shareholder of Winning View Investments Limited.

(13) Consisting of 2,250 restricted shares, 245 of which have been vested, held of record by Dr. Yanbin Xie granted under the 2017

Omnibus Incentive Plan.

(14) Consisting of 2,550 restricted shares, 282 of which have been vested, held of record by Ms. Christine Ying Zhao granted under the

2017 Omnibus Incentive Plan.

We have one class of ordinary shares, and each holder of our ordinary shares is entitled to one vote per share. None of our

shareholders has different voting rights from other shareholders.

As of March 25, 2019, approximately 7,130,665 of our outstanding ordinary shares were held by 15 record holders in the U.S.

We are not aware of any arrangement that may, at a subsequent date, result in a change of control of our company.

B.

Related Party Transactions

Since January 1, 2018, there has not been, nor is there currently proposed, any material transaction or series of similar material

transactions to which we were or are a party to and in which any of the members of our board of directors or senior management,
holders of more than 10% of ordinary shares, or any member of the immediate family of any of the foregoing persons, had or will have
a direct or indirect material interest, other than the transactions we describe below.

On December 27, 2018, we entered into a loan agreement with Dr. Mohanlal, pursuant to which we made a $481,034.44 loan

to Dr. Mohanlal at an annual interest rate of 0%. The loan was made in connection with the tax withholding payment due by Dr.
Mohanlal on his vested restricted shares. As of the date of this annual report on Form 20-F, the loan has been fully repaid.

On March 19, 2019, we entered into loan agreements with each of Dr. Huang, Dr. Schooley and Ms. Yue Jia, our International

Finance Manager, pursuant to which each of Dr. Huang, Dr. Schooley and Ms. Jia made loans to us which, in the aggregate, totaled
$350,000.00, each at an annual interest rate of 0%. The loans were made to provide cash for our operating activities. As of the date of
this annual report on Form 20-F, the total principal amount remains outstanding, which shall be repaid in full by December 31, 2019 or
earlier at our discretion.

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Employment Agreements

See “Item 6. Directors, Senior Management and Employees—B. Compensation—Employment Agreements.”

Consulting Arrangements

See “Item 6. Directors, Senior Management and Employees—B. Compensation—Consulting Arrangements.”

Director Agreement

See “Item 6. Directors, Senior Management and Employees—B. Compensation—Director Agreements.”

2017 Omnibus Incentive Plan

See “Item 6. Directors, Senior Management and Employees—B. Compensation—2017 Omnibus Incentive Plan.”

Indemnification Agreements

Cayman Islands law does not limit the extent to which a company’s memorandum and articles of association may provide for

indemnification of officers and directors, except to the extent any such provision may be held by the Cayman Islands courts to be
contrary to public policy, such as to provide indemnification against civil fraud or the consequences of committing a crime. Our
amended and restated memorandum and articles of association require us to indemnify every director, alternate director, secretary,
assistant secretary, or other officer for the time being and from time to time of our company (but not including our auditors) and the
personal representatives of the same against all actions, proceedings, costs, charges, expenses, losses, damages or liabilities incurred or
sustained by such indemnified person, other than by reason of such indemnified person’s own dishonesty, willful default or fraud, in or
about the conduct of our company’s business or affairs (including as a result of any mistake of judgment) or in the execution or
discharge of his duties, powers, authorities or discretions, including without prejudice to the generality of the foregoing, any costs,
expenses, losses or liabilities incurred by such indemnified person in defending (whether successfully or otherwise) any civil
proceedings concerning us or our affairs in any court whether in the Cayman Islands or elsewhere. This standard of conduct is
generally the same as permitted under the Delaware General Corporation Law for a Delaware corporation.

In addition, we have entered into indemnification agreements with each of our directors and executive officers that provide

such persons with additional indemnification beyond that provided in our amended and restated memorandum and articles of
association.

Insofar as indemnification for liabilities arising under the Securities Act may be permitted to our directors, officers or persons

controlling us under the foregoing provisions, we have been informed that in the opinion of the SEC, such indemnification is against
public policy as expressed in the Securities Act and is therefore unenforceable.

C.

Interests of Experts and Counsel

Not applicable.

Item 8.

Financial Information

A.

Consolidated Financial Statements and Other Financial Information

See “Item 18. Financial Statements.”

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Legal Proceedings

See “Item 4. Information on the Company—B. Business Overview—Legal Proceedings.”

Dividend Policy

We have never declared or paid cash dividends to our shareholders, and we do not intend to pay cash dividends in the
foreseeable future. We intend to reinvest any earnings in developing and expanding our business. Any future determination relating to
our dividend policy will be at the discretion of our board of directors and will depend on a number of factors, including future earnings,
our financial condition, operating results, contractual restrictions, capital requirements, business prospects, our strategic goals and
plans to expand our business, applicable law and other factors that our board of directors may deem relevant.

See “Item 3. Key Information—D. Risk Factors—Risks Related to Our Ordinary Shares—Because we do not expect to pay

dividends in the foreseeable future, you must rely on price appreciation of the ordinary shares for return on your investment” and “Item
10. Additional Information—B. Memorandum and Articles of Association—Dividends.”

We are a holding company incorporated in the Cayman Islands. We will rely to some extent on dividends from our U.S.,

Australia and PRC subsidiaries for payment of any dividends to our shareholders. PRC regulations may restrict the ability of our PRC
subsidiaries to make such dividend payments to us. See “Item 3. Key Information—D. Risk Factors—Risks Related to Our Doing
Business in China—In the future, we may rely to some extent on dividends and other distributions on equity from our principal
operating subsidiaries to fund offshore cash and financing requirements” and “Item 4. Information on the Company—B. Business
Overview—Government Regulation—Chinese Regulation—Regulations of Dividend Distribution.”

B.

Significant Changes

Except as disclosed elsewhere in this annual report on Form 20-F, we have not experienced any significant changes since the

date of our audited consolidated financial statements included in this annual report on Form 20-F.

Item 9. Offer and Listing

A.

Offer and Listing Details

Our ordinary shares have been listed on the NASDAQ Capital Market since March 9, 2017 under the symbol “BYSI.”

B.

Plan of Distribution

Not applicable.

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C.

Markets

Our ordinary shares have been listed on the NASDAQ Capital Market since March 9, 2017 under the symbol “BYSI.”

D.

Selling Shareholders

Not applicable.

E.

Dilution

Not applicable.

F.

Expenses of the Issue

Not applicable.

Item 10. Additional Information

A.

Share Capital

Not applicable.

B.

Memorandum and Articles of Association

We are a Cayman Islands exempted company with limited liability and our affairs are governed by our memorandum and
articles of association, as amended and restated from time to time, and the Companies Law (2018 Revision) of the Cayman Islands,
which is referred to as the Companies Law below, and the common law of the Cayman Islands.

The following are summaries of material provisions of our current amended and restated memorandum and articles of
association that became effective immediately prior to the completion of our initial public offering in March 2017, insofar as they relate
to the material terms of our ordinary shares.

Objects of Our Company

Under our amended and restated memorandum and articles of association, the objects of our company are unrestricted and we

have the full power and authority to carry out any object not prohibited by the law of the Cayman Islands.

Board of Directors

See “Item 6. Directors, Senior Management and Employees—C. Board Practices.”

Ordinary Shares

Our ordinary shares are issued in registered form and are issued when registered in our register of members. Our shareholders

who are non-residents of the Cayman Islands may freely hold and vote their shares.

Dividends

The holders of our ordinary shares are entitled to such dividends as may be declared by our board of directors. In addition, our

shareholders may by ordinary resolution declare a dividend, but no dividend may exceed the amount recommended by our directors.
Under Cayman Islands law, dividends may be declared and paid only out of funds legally available therefor, namely out of either profit
or our share premium account, provided that in no circumstances may a dividend be paid if this would result in our company being
unable to pay its debts as they fall due in the ordinary course of business.

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Voting Rights

Voting at any shareholders’ meeting is by show of hands unless a poll is demanded. A poll may be demanded by the chairman

of such meeting or any one or more shareholders who together hold not less than 10% of the voting share capital of our company
present in person or by proxy.

A quorum required for a meeting of shareholders consists of one or more shareholders present and holding not less than a

majority of all voting share capital of our company in issue. Shareholders may be present in person or by proxy or, if the shareholder is
a legal entity, by its duly authorized representative. Shareholders’ meetings may be convened by our board of directors on its own
initiative or upon a request to the directors by shareholders holding at the date of deposit of the requisition not less than ten percent of
our voting share capital in issue. Advance notice of at least seven calendar days is required for the convening of our annual general
shareholders’ meeting and any other general shareholders’ meeting.

An ordinary resolution to be passed at a meeting by the shareholders requires the affirmative vote of a simple majority of the

votes attaching to the ordinary shares cast at a meeting, while a special resolution requires the affirmative vote of no less than two-
thirds of the votes attaching to the ordinary shares cast at a meeting. Both ordinary resolutions and special resolutions may also be
passed by a unanimous written resolution signed by all the shareholders of our company, as permitted by the Companies Law and our
amended and restated memorandum and articles of association. A special resolution will be required for important matters such as a
change of name or making changes to our amended and restated memorandum and articles of association. Holders of the ordinary
shares may, among other things, divide or combine their shares by ordinary resolution.

Transfer of Ordinary Shares

Subject to the restrictions set out below, any of our shareholders may transfer all or any of his or her ordinary shares by an

instrument of transfer in the usual or common form or any other form approved by our board of directors.

Our board of directors may, in its absolute discretion, decline to register any transfer of any ordinary share which is not fully

paid up or on which we have a lien. Our board of directors may also decline to register any transfer of any ordinary share unless:

•

•

•

•

•

the instrument of transfer is lodged with us, accompanied by the certificate for the ordinary shares to which it relates and
such other evidence as our board of directors may reasonably require to show the right of the transferor to make the
transfer;

the instrument of transfer is in respect of only one class of shares;

the instrument of transfer is properly stamped, if required;

in the case of a transfer to joint holders, the number of joint holders to whom the ordinary share is to be transferred does
not exceed four; and

a fee of such maximum sum as the Nasdaq Capital Market may determine to be payable or such lesser sum as our
directors may from time to time require is paid to us in respect thereof.

If our directors refuse to register a transfer they shall, within two months after the date on which the instrument of transfer was

lodged, send to each of the transferor and the transferee notice of such refusal.

The registration of transfers may, after compliance with any notice required of the Nasdaq Capital Market, be suspended and

the register closed at such times and for such periods as our board of directors may from time to time determine, provided, however,
that the registration of transfers shall not be suspended nor the register closed for more than 30 days in any year as our board may
determine.

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Liquidation

On a return of capital on winding up or otherwise (other than on conversion, redemption or purchase of shares), assets

available for distribution among the holders of ordinary shares shall be distributed among the holders of our ordinary shares on a pro
rata basis. If our assets available for distribution are insufficient to repay all of the paid-up capital, the assets will be distributed so that
the losses are borne by our shareholders proportionately.

Calls on Shares and Forfeiture of Shares

Our board of directors may from time to time make calls upon shareholders for any amounts unpaid on their shares in a notice

served to such shareholders at least 14 calendar days prior to the specified time or times of payment. The shares that have been called
upon and remain unpaid are subject to forfeiture.

Redemption, Repurchase and Surrender of Ordinary Shares

We may issue shares on terms that such shares are subject to redemption, at our option or at the option of the holders thereof,
on such terms and in such manner as may be determined, before the issue of such shares, by our board of directors. Our company may
also repurchase any of our shares (including any redeemable shares) provided that the manner and terms of such purchase have been
approved by our board of directors or by ordinary resolution of our shareholders, or are otherwise authorized by our amended and
restated memorandum and articles of association. Under the Companies Law, the redemption or repurchase of any share may be paid
out of our company’s profits or out of the proceeds of a fresh issue of shares made for the purpose of such redemption or repurchase, or
out of capital (including share premium account and capital redemption reserve) if the company can, immediately following such
payment, pay its debts as they fall due in the ordinary course of business. In addition, under the Companies Law no such share may be
redeemed or repurchased (a) unless it is fully paid up, (b) if such redemption or repurchase would result in there being no shares
outstanding, or (c) if the company has commenced liquidation. In addition, our company may accept the surrender of any fully paid
share for no consideration.

Variations of Rights of Shares

The rights attached to any class or series of shares (unless otherwise provided by the terms of issue of the shares of that class
or series) may, subject to our amended and restated memorandum and articles of association, be varied with the consent in writing of
the holders of not less than two-thirds of the issued shares of that class or series or with the sanction of a special resolution passed at a
general meeting of the holders of the shares of that class or series. The rights conferred upon the holders of the shares of any class
issued shall not, unless otherwise expressly provided by the terms of issue of the shares of that class, be deemed to be varied by the
creation or issue of further shares ranking pari passu with such existing class of shares.

Issuance of Additional Shares

Our amended and restated memorandum and articles of association authorize our board of directors to issue additional

ordinary shares from time to time as our board of directors shall determine, to the extent of available authorized but unissued shares.

Our amended and restated memorandum and articles of association also authorize our board of directors to establish from time

to time one or more series of preferred shares and to determine, with respect to any series of preferred shares, the terms and rights of
that series, including:

•

•

•

•

the designation of the series;

the number of shares of the series;

the dividend rights, dividend rates, conversion rights, voting rights; and

the rights and terms of redemption and liquidation preferences.

Our board of directors may issue preferred shares without action by our shareholders to the extent authorized but unissued.

Issuance of these shares may dilute the voting power of holders of ordinary shares.

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Inspection of Books and Records

Holders of our ordinary shares will have no general right under Cayman Islands law to inspect or obtain copies of our list of
shareholders or our corporate records. However, we will provide our shareholders with annual audited financial statements. See “—H.
Documents on Display.”

Anti-Takeover Provisions

Some provisions of our amended and restated memorandum and articles of association may discourage, delay or prevent a

change of control of our company or management that shareholders may consider favorable, including provisions that:

•

•

authorize our board of directors to issue preferred shares in one or more series and to designate the price, rights,
preferences, privileges and restrictions of such preferred shares without any further vote or action by our shareholders;
and

limit the ability of shareholders to requisition and convene general meetings of shareholders.

However, under Cayman Islands law, our directors may only exercise the rights and powers granted to them under our

memorandum and articles of association for a proper purpose and for what they believe in good faith to be in the best interests of our
company.

General Meetings of Shareholders and Shareholder Proposals

Our shareholders’ general meetings may be held in such place within or outside the Cayman Islands as our board of directors

considers appropriate.

As a Cayman Islands exempted company, we are not obliged by the Companies Law to call shareholders’ annual general
meetings. Our amended and restated memorandum and articles of association provide that we may (but are not obliged to) hold a
general meeting in each year as our annual general meeting.

Shareholders’ annual general meetings and any other general meetings of our shareholders may be convened by a majority of
our board of directors. Our board of directors shall give not less than seven calendar days’ written notice of a shareholders’ meeting to
those persons whose names appear as members in our register of members on the date the notice is given (or on any other date
determined by our directors to be the record date for such meeting) and who are entitled to vote at the meeting.

Cayman Islands law provides shareholders with only limited rights to requisition a general meeting, and does not provide

shareholders with any right to put any proposal before a general meeting. However, these rights may be provided in a company’s
articles of association. Our amended and restated memorandum and articles of association allow our shareholders holding shares
representing in aggregate not less than ten percent of our voting share capital in issue, to requisition an extraordinary general meeting
of our shareholders, in which case our directors are obliged to call such meeting and to put the resolutions so requisitioned to a vote at
such meeting; however, our amended and restated memorandum and articles of association do not provide our shareholders with any
right to put any proposals before annual general meetings or extraordinary general meetings not called by such shareholders.

Exempted Company

We are an exempted company with limited liability under the Companies Law. The Companies Law distinguishes between
ordinary resident companies and exempted companies. Any company that is registered in the Cayman Islands but conducts business
mainly outside of the Cayman Islands may apply to be registered as an exempted company. The requirements for an exempted
company are essentially the same as for an ordinary company except that an exempted company:

•

•

does not have to file an annual return of its shareholders with the Registrar of Companies;

is not required to open its register of members for inspection;

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•

does not have to hold an annual general meeting;

• may issue negotiable or bearer shares or shares with no par value;

• may obtain an undertaking against the imposition of any future taxation (such undertakings are usually given for 20 years

in the first instance);

• may register by way of continuation in another jurisdiction and be deregistered in the Cayman Islands;

• may register as a limited duration company; and

• may register as a segregated portfolio company.

“Limited liability” means that the liability of each shareholder is limited to the amount unpaid by the shareholder on the shares
of the company (except in exceptional circumstances, such as involving fraud, the establishment of an agency relationship or an illegal
or improper purpose or other circumstances in which a court may be prepared to pierce or lift the corporate veil).

Register of Members

Under Cayman Islands law, we must keep a register of members and there should be entered therein:

•

•

•

the names and addresses of the members, a statement of the shares held by each member, and of the amount paid or
agreed to be considered as paid, on the shares of each member;

the date on which the name of any person was entered on the register as a member; and

the date on which any person ceased to be a member.

Under Cayman Islands law, the register of members of our company is prima facie evidence of the matters set out therein (i.e.

the register of members will raise a presumption of fact on the matters referred to above unless rebutted) and a member registered in
the register of members should be deemed as a matter of Cayman Islands law to have legal title to the shares as set against its name in
the register of members. Once our register of members has been updated, the shareholders recorded in the register of members should
be deemed to have legal title to the shares set against their name.

If the name of any person is incorrectly entered in, or omitted from, our register of members, or if there is any default or
unnecessary delay in entering on the register the fact of any person having ceased to be a member of our company, the person or
member aggrieved (or any member of our company or our company itself) may apply to the Cayman Islands Grand Court for an order
that the register be rectified, and the Court may either refuse such application or it may, if satisfied of the justice of the case, make an
order for the rectification of the register.

C.

Material Contracts

In connection with our initial public offering and the concurrent private placement, we entered into several share subscription

agreements with certain investors on February 27, 2017, pursuant to which such investors purchased an aggregate of approximately
$50.8 million of ordinary shares from us at $20.00 per share in the concurrent private placement in reliance on an exemption from
registration contained in either Regulation S or Regulation D under the Securities Act. On March 8, 2017, we entered into an
underwriting agreement with Rodman & Renshaw, a unit of H.C. Wainwright & Co., LLC, or Rodman, pursuant to which Rodman
served as underwriter for our initial public offering and received a commission of 7% of the total offering price of our ordinary shares
in our initial public offering. On March 8, 2017, we also entered into a private placement agent agreement with Rodman, pursuant to
which Rodman served as placement agent for the concurrent private placement and received a placement agent fee equal to 7% of the
total purchase price of our ordinary shares sold in the concurrent private placement.

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On May 29, 2018, we entered into a series of securities purchase agreements with the investors described therein pursuant to

which we issued and sold an aggregate of 739,095 shares of our ordinary shares at a purchase price of $27.06 per share. The gross
proceeds from the offering were $20.0 million before deducting expenses. The ordinary shares were offered pursuant to a registration
statement on Form F-3 (File No. 333-224437), which was filed with the Commission on April 25, 2018 and was declared effective on
May 3, 2018.

D.

Exchange Controls

See “Item 4. Information on the Company—B. Business Overview—Chinese Regulation—Regulations Relating to Foreign

Exchange and Dividend Distribution.”

E.

Taxation

The following discussion is a summary of the Cayman Islands, Chinese and U.S. federal income tax considerations relevant to

the ownership and disposition of the ordinary shares. The discussion is not intended to be, nor should it be construed as, legal or tax
advice to any particular holder. The discussion is based on laws and relevant interpretations thereof as of the date of this annual report
on Form 20-F, all of which are subject to change or different interpretations, possibly with retroactive effect. The discussion does not
address U.S. state or local tax laws, or tax laws of jurisdictions other than the Cayman Islands, China and the United States. You should
consult your tax advisors with respect to the consequences of the ownership and disposition of the ordinary shares. To the extent that
the discussion relates to matters of Cayman Islands tax law, it represents the opinion of Maples and Calder (Hong Kong) LLP, our
special Cayman Islands counsel; to the extent the discussion relates to PRC tax law, it is the opinion of Han Kun Law Offices, our
special PRC counsel.

Cayman Islands Taxation

The Cayman Islands currently levies no taxes on individuals or corporations based upon profits, income, gains or appreciation,

and there is no taxation in the nature of inheritance tax or estate duty or withholding tax applicable to us or to any holder of the
ordinary shares. There are no other taxes likely to be material to us levied by the Government of the Cayman Islands except for stamp
duties which may be applicable on instruments executed in, or after execution brought within, the jurisdiction of the Cayman Islands.
No stamp duty is payable in the Cayman Islands on the issue of shares by, or any transfers of shares of, Cayman Islands companies
(except those which hold interests in land in the Cayman Islands). The Cayman Islands is not party to any double tax treaties that are
applicable to any payments made to or by our company. There are no exchange control regulations or currency restrictions in the
Cayman Islands.

Payments of dividends and capital in respect of the ordinary shares will not be subject to taxation in the Cayman Islands and
no withholding will be required on the payment of a dividend or capital to any holder of the ordinary shares, as the case may be, nor
will gains derived from the disposal of the ordinary shares be subject to Cayman Islands income or corporation tax.

People’s Republic of China Taxation

Under the EIT Law, an enterprise established outside of China with a “de facto management body” within China is considered

a “resident enterprise,” which means that it is treated in a manner similar to a Chinese enterprise for enterprise income tax purposes.
Although the implementation rules of the EIT Law define “de facto management body” as a managing body that exercises substantive
and overall management and control over the production and business, personnel, accounting books and assets of an enterprise, the
only official guidance for this definition currently available is set forth in Circular 82, issued by the State Administration of Taxation,
which provides guidance on the determination of the tax residence status of a Chinese-controlled offshore incorporated enterprise,
defined as an enterprise that is incorporated under the laws of a foreign country or territory and that has a Chinese enterprise or
enterprise group as its primary controlling shareholder. Although BeyondSpring Inc. does not have a Chinese enterprise or enterprise
group as our primary controlling shareholder and is therefore not a Chinese-controlled offshore incorporated enterprise within the
meaning of Circular 82, in the absence of guidance specifically applicable to us, we have applied the guidance set forth in Circular 82
to evaluate the tax residence status of BeyondSpring Inc. and its subsidiaries organized outside China.

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According to Circular 82, a Chinese-controlled offshore incorporated enterprise will be regarded as a PRC tax resident by

virtue of having a “de facto management body” in China and will be subject to Chinese enterprise income tax on its worldwide income
only if all of the following criteria are met:

•

•

•

•

the primary location of the enterprise’s senior executives of the day-to-day operational management and senior
management departments performing their duties is in China;

decisions relating to the enterprise’s financial and human resource matters are made or are subject to approval by
organizations or personnel in China;

the enterprise’s primary assets, accounting books and records, company seals, and board and shareholder meeting minutes
are located or maintained in China; and

50% or more of voting board members or senior executives habitually reside in China.

Currently, some of the members of our management team are located in China. However, we do not believe that we meet all

of the conditions outlined in the immediately preceding paragraph. BeyondSpring Inc. and its offshore subsidiaries are incorporated
outside China. As a holding company, our key assets and records, including the resolutions and meeting minutes of our board of
directors and the resolutions and meeting minutes of our shareholders, are located and maintained outside China. Moreover, we are not
aware of any offshore holding companies with a corporate structure similar to ours that has been deemed a Chinese “resident
enterprise” by the Chinese tax authorities. Accordingly, we believe that BeyondSpring Inc. and its offshore subsidiaries should not be
treated as a “resident enterprise” for Chinese tax purposes if the criteria for “de facto management body” as set forth in Circular 82
were deemed applicable to us. However, as the tax residency status of an enterprise is subject to determination by the PRC tax
authorities and uncertainties remain with respect to the interpretation of the term “de facto management body” as applicable to our
offshore entities, we will continue to monitor our tax status.

The implementation rules of the EIT Law provide that, (1) if the enterprise that distributes dividends is domiciled in China or

(2) if gains are realized from transferring equity interests of enterprises domiciled in China, then such dividends or capital gains are
treated as China-sourced income. It is not clear how “domicile” may be interpreted under the EIT Law, and it may be interpreted as the
jurisdiction where the enterprise is a tax resident. Therefore, if we are considered as a Chinese tax resident enterprise for Chinese tax
purposes, any dividends we pay to our overseas shareholders as well as gains realized by such shareholders from the transfer of our
shares may be regarded as China-sourced income. If we are considered a “non-resident enterprise” by the PRC tax authorities, the
dividends paid to us by our PRC subsidiaries will be subject to a 10% withholding tax. The EIT Law also imposes a withholding
income tax of 10% on dividends distributed by an foreign invested enterprise to its immediate holding company outside of China, if
such immediate holding company is considered as a non-resident enterprise without any establishment or place within China or if the
received dividends have no connection with the establishment or place of such immediate holding company within China, unless such
immediate holding company’s jurisdiction of incorporation has a tax treaty with China that provides for a different withholding
arrangement. The Cayman Islands, where we are incorporated does not have such tax treaty with China. Under the arrangement
between the PRC and the Hong Kong Special Administrative Region on the Avoidance of Double Taxation and Prevention of Fiscal
Evasion with Respect to Taxes on Income and Capital, the dividend withholding tax rate may be reduced to 5%, if a Hong Kong
resident enterprise that receives a dividend is considered a non-PRC tax resident enterprise and holds at least 25% of the equity
interests in the PRC enterprise distributing the dividends, subject to approval of the PRC local tax authority. However, if the Hong
Kong resident enterprise is not considered to be the beneficial owner of such dividends under applicable PRC tax regulations, such
dividends may remain subject to withholding tax at a rate of 10%. In February, 2018, the SAT promulgated the Announcement on
Issues Relating to “Beneficial Owner” in Tax Treaties, which provides the criteria of determination of “Beneficial Owner”. For
determination of “Beneficial Owner”, actual conditions of the specific case shall be taken into account to conduct a comprehensive
analysis. Accordingly, BeyondSpring HK may be able to enjoy the 5% withholding tax rate for the dividends it receives from its PRC
subsidiaries if it satisfies the relevant conditions under tax rules and regulations and obtains the approvals as required.

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U.S. Federal Income Tax Considerations

The following discussion is a summary of U.S. federal income tax considerations generally applicable to the ownership and
disposition of our ordinary shares. Except where noted, this summary deals only with U.S. Holders (as defined below) that hold our
ordinary shares as capital assets for U.S. federal income tax purposes. This summary does not address all U.S. federal income tax
considerations that may be relevant to a particular U.S. Holder (as defined below) and does not represent a detailed description of all of
the U.S. federal income tax considerations applicable to shareholders that may be subject to special treatment under U.S. federal
income tax laws, including:

•

•

•

•

•

•

•

•

•

•

•

•

banks, financial institutions or insurance companies;

real estate investment trusts, regulated investment companies or grantor trusts;

brokers or dealers in securities, commodities or currencies;

traders in securities who have elected the mark-to-market method of accounting for their securities;

tax-exempt entities or organizations, including individual retirement accounts or other tax-deferred accounts;

former citizens or long-term residents of the United States;

persons that received our shares as compensation for the performance of service, including shareholders who acquired
shares pursuant to the exercise of an employee stock option;

persons that will hold our shares as part of a “hedging,” “integrated” or “conversion” transaction or other risk reduction
strategy or as a position in a “straddle” for U.S. federal income tax purposes;

entities classified as partnerships for U.S. federal income tax purposes or other pass-through entities, or holders that will
hold our shares through such an entity;

entities classified as partnerships for U.S. federal income tax purposes or other pass-through entities, or holders that will
hold our shares through such an entity;

persons whose “functional currency” is not the U.S. dollar; or

holders that own or have owned directly, indirectly or constructively 10.0% or more of the voting power or value of our
shares.

The discussion below is based upon the provisions of the Code, current, proposed and temporary U.S. Treasury regulations,
judicial and administrative interpretations thereof and the income tax treaty between the U.S. and China, or the Treaty, in each case as
in effect and available on the date hereof. Such authorities may be replaced, revoked or modified, perhaps retroactively, and may be
subject to differing interpretations which could result in U.S. federal income tax consequences different from those discussed below.

This summary does not address all aspects of U.S. federal income tax, does not deal with all tax considerations that may be

relevant to shareholders in light of their personal circumstances and does not address the Medicare tax imposed on certain net
investment income or any state, local, foreign, gift, estate or alternative minimum tax considerations. Holders should consult their tax
advisors concerning the U.S. federal, state, local and foreign tax consequences of owning and disposing of our ordinary shares in their
particular circumstances. As used herein, the term “U.S. Holder” means a beneficial owner of an ordinary share that is, for U.S. federal
income tax purposes:

•

an individual citizen or resident of the United States;

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•

•

•

a corporation (or other entity treated as a corporation for U.S. federal income tax purposes) created or organized in or
under the laws of the United States, any state thereof or the District of Columbia;

an estate the income of which is subject to U.S. federal income taxation regardless of its source; or

a trust if it (1) is subject to the primary supervision of a court within the United States and one or more U.S. persons has
or have the authority to control all substantial decisions of the trust or (2) has a valid election in effect under applicable
U.S. Treasury regulations to be treated as a U.S. person.

The U.S. federal income tax treatment of a partner in an entity or arrangement treated as a partnership for U.S. federal income

tax purposes that is the beneficial owner of our ordinary shares will generally depend on the status of the partner and the activities of
the partnership. A partner in such a partnership should consult its tax advisor regarding the tax consequences of the ownership and
disposition of our ordinary shares.

Tax Residence of BeyondSpring Inc. for U.S. Federal Income Tax Purposes

Under current U.S. federal income tax law, a corporation is generally considered a tax resident in the jurisdiction of its

organization or incorporation. Thus, as a corporation organized under the laws of the Cayman Islands, we should generally be
classified as a non-U.S. corporation (and therefore a non-U.S. tax resident) for U.S. federal income tax purposes. In certain
circumstances, however, under section 7874 of the Code, or section 7874, a corporation organized outside the United States. will be
treated as a U.S. corporation (and, therefore, a U.S. tax resident) unless one or more exceptions apply.

Section 7874 is generally implicated when a non-U.S. corporation acquires all of the stock of a U.S. corporation. If,
immediately after such an acquisition, former shareholders of the U.S. corporation are considered to hold, for purposes of section 7874,
80% or more (by vote and value) of the stock of the acquiring non-U.S. corporation and certain other circumstances exist, the acquiring
non-U.S. corporation will be treated as a U.S. corporation for U.S. federal income tax purposes. In such event, the acquiring non-U.S.
corporation will be subject to U.S. corporate income tax on its worldwide income and the income of its non-U.S. subsidiaries will be
subject to U.S. tax when repatriated (with a deduction available for the foreign-source portion of such income) or when deemed
recognized under the U.S. federal income tax rules for controlled foreign subsidiaries. Additionally, any deferred foreign income of its
non-U.S. subsidiaries that has not previously been subject to U.S. taxation, determined as of November 2, 2017 or December 31, 2017
(whichever amount is greater), will be subject to a “transition tax” imposed under the Tax Cuts and Jobs Act. Moreover, the gross
amount of any dividends paid to a non-U.S. shareholder will be subject to U.S. withholding tax at a rate of 30% unless the non-U.S.
shareholder is eligible for an exemption or reduced withholding rate under an applicable income tax treaty.

The determination of the percentage of stock of the acquiring non-U.S. corporation treated as held by former shareholders of

the U.S. corporation for purposes of section 7874, or the section 7874 ownership percentage, is subject to various adjustments and
exceptions, including an “internal group restructuring exception” and a “foreign-parented group exception,” both of which, when they
apply, generally operate to reduce the section 7874 ownership percentage (and the likelihood that the acquiring non-U.S. corporation
will be treated as a U.S. corporation for U.S. federal income tax purposes). The internal group restructuring exception, when
applicable, effectively permits the acquisition of a U.S. corporation by certain of its non-U.S. affiliates without triggering the adverse
effects of section 7874. The foreign-parented group exception, when applicable, ensures that certain post-acquisition transfers of the
non-U.S. acquiring corporation do not defeat the otherwise appropriate application of the internal group restructuring exception to the
acquisition of a U.S. corporation. Section 7874 also contains an anti-abuse rule pursuant to which the transfer of property, including
stock, may be disregarded if the transfer is part of a plan a principal purpose of which is to avoid the purposes of section 7874.

In July of 2015, we completed our internal restructuring. See Note 1 to our consolidated financial statements included

elsewhere in this annual report on Form 20-F for additional information regarding the internal restructuring. As part of the internal
restructuring, Wanchun Biotech contributed all of the stock of BeyondSpring U.S., a U.S. corporation, to BVI Biotech, a non-U.S.
entity, in exchange for all of the outstanding interests in BVI Biotech, or the BeyondSpring U.S. transfer. Shortly thereafter, Wanchun
Biotech transferred all of the interests in BVI Biotech to us in exchange for 300,000 of our ordinary shares, or the BVI Biotech transfer.

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Based on the rules in effect under section 7874 at the time of the internal restructuring, we believe that the BVI Biotech

transfer does not constitute the indirect acquisition of substantially all of the properties held directly or indirectly by a U.S. corporation
and that, therefore, the BVI Biotech transfer, in and of itself, does not implicate section 7874. Moreover, we believe that the BVI
Biotech transfer satisfies the foreign-parented group exception and, therefore, does not prevent the application of the internal group
restructuring exception to the BeyondSpring U.S. transfer. As a result, we believe that, under the law in effect in July of 2015, the
section 7874 ownership percentage with respect to the BeyondSpring U.S. transfer was less than 80% and that neither the
BeyondSpring U.S. transfer nor the BVI Biotech transfer triggered the application of section 7874. Accordingly, we expect that we will
not be treated as a U.S. corporation for U.S. federal income tax purposes.

Notwithstanding, the determination of the section 7874 percentage and the application of the various exceptions are complex

and subject to factual and legal uncertainties. Moreover, changes to section 7874 or the U.S. Treasury regulations promulgated
thereunder (or other relevant provisions of U.S. federal income tax law), which could be given prospective or retroactive effect, could
adversely affect the section 7874 analysis with respect to our status as a non-U.S. corporation for U.S. federal income tax purposes. As
a result, there can be no assurance that the IRS will agree with the position that we should not be treated as a U.S. corporation for U.S.
federal income tax purposes. If the IRS were to prevail with an assertion that the exceptions described above do not apply with respect
to the internal restructuring or that the internal restructuring runs afoul of the section 7874 anti-abuse rules or other substance-over-
form or similar principles, we could be treated as a U.S. corporation for U.S. federal income tax purposes.

The remainder of this discussion assumes that we will not be treated as a U.S. corporation for U.S. federal income tax

purposes.

Taxation of Dividends

Subject to the discussion under “—Passive Foreign Investment Company” below, the gross amount of distributions on our

ordinary shares (including any amounts withheld in respect of Chinese withholding taxes) will generally be taxable as dividends to the
extent paid out of our current or accumulated earnings and profits, as determined under U.S. federal income tax principles, and will be
includable in your gross income as ordinary income on the day actually or constructively received by you. Such dividends will not be
eligible for the dividends received deduction generally allowed to U.S. corporations under the Code. The following discussion assumes
that any dividends will be paid in U.S. dollars.

If you are a non-corporate U.S. Holder, dividends received by you from a qualified foreign corporation may be eligible for
reduced rates of taxation. A foreign corporation is treated as a qualified foreign corporation with respect to dividends received from
that corporation on ordinary shares that are “readily tradable” on an “established securities market” in the United States. Our ordinary
shares are listed on the NASDAQ Capital Market, however, our ordinary shares may not be considered readily tradable on an
established securities market in the current year or subsequent years. If you do not meet a minimum holding period requirement during
which you are not protected from the risk of loss or you elect to treat dividend income as “investment income” pursuant to section
163(d)(4) of the Code, you will not be eligible for the reduced rates of taxation. In addition, the rate reduction will not apply to
dividends if the recipient of a dividend is obligated to make related payments with respect to positions in substantially similar or related
property, even if the minimum holding period has been met. The rate reduction also will not apply if we are a PFIC in the taxable year
in which such dividends are paid or in the preceding taxable year. In light of the discussion in “—Passive Foreign Investment
Company” below, if you are a non-corporate U.S. Holder, you should assume that dividends generally will not constitute “qualified
dividend income” eligible for reduced rates of taxation.

In the event that we are deemed to be a Chinese resident enterprise under the EIT Law, you may be subject to Chinese
withholding taxes on distributions paid to you with respect to the ordinary shares. See “—People’s Republic of China Taxation.” In that
case, subject to certain conditions and limitations, Chinese withholding taxes on dividends will generally be treated as foreign taxes
eligible for credit against your U.S. federal income tax liability. For purposes of calculating the foreign tax credit, dividends paid on
our ordinary shares will be treated as foreign-source income and will generally constitute passive category income. However, in certain
circumstances, if you have held our ordinary shares for less than a specified minimum period during which you are not protected from
risk of loss, or are obligated to make payments related to the dividends, you will not be allowed a foreign tax credit for any Chinese
withholding taxes imposed on dividends paid on our ordinary shares. If you are eligible for Treaty benefits, any Chinese taxes on
dividends will not be creditable against your U.S. federal income tax liability to the extent withheld at a rate exceeding the applicable
Treaty rate. The rules governing the foreign tax credit are complex. You should consult your tax advisor regarding the availability of
the foreign tax credit in your particular circumstances. In lieu of claiming a credit, you may elect to deduct such Chinese taxes in
computing your taxable income, subject to applicable limitations. An election to deduct foreign taxes instead of claiming foreign tax
credits must apply to all foreign taxes paid or accrued in the taxable year.

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To the extent that the amount of any distribution on the ordinary shares exceeds our current and accumulated earnings and

profits for a taxable year, as determined under U.S. federal income tax principles, the distribution will first be treated as a tax-free
return of capital, causing a reduction in your adjusted tax basis in the ordinary shares, and the balance in excess of adjusted tax basis
will be taxed as capital gain recognized on a sale or exchange, as described below under “—Sale, Exchange or Other Taxable
Disposition of Ordinary Shares.” However, we may not calculate earnings and profits in accordance with U.S. federal income tax
principles. Therefore, a distribution to you may be treated as a dividend (as discussed above).

Sale, Exchange or Other Taxable Disposition of Ordinary Shares

You will recognize gain or loss on the sale, exchange or other taxable disposition of our ordinary shares equal to the difference
between the amount realized on such sale, exchange or other taxable disposition and your adjusted tax basis in our ordinary shares. The
adjusted tax basis in an ordinary share generally will be equal to the cost of such ordinary share. Subject to the discussion under “—
Passive Foreign Investment Company” below, such gain or loss will generally be capital gain or loss, which will be long-term capital
gain or loss if your holding period for the shares exceeds one year at the time of disposition. Long-term capital gains are generally
eligible for a preferential rate of taxation for certain non-corporate U.S. Holders. The deductibility of capital losses for U.S. federal
income tax purposes is subject to limitations under the Code.

Any gain or loss recognized by you will generally be treated as U.S. source gain or loss. However, if we were to be treated as
a Chinese resident enterprise for EIT Law purposes and Chinese tax were imposed on any gain, and if you are eligible for the benefits
of the Treaty, you may elect to treat such gain as Chinese source gain under the Treaty. If you are not eligible for the benefits of the
Treaty or you fail to make the election to treat any gain as Chinese source, then you may not be able to use the foreign tax credit arising
from any Chinese tax imposed on the disposition of the ordinary shares unless such credit can be applied (subject to applicable
limitations) against tax due on other income derived from foreign sources. You are also urged to consult your tax advisor regarding the
tax consequences in case any Chinese tax is imposed on gain on a disposition of the ordinary shares, including the availability of the
foreign tax credit and the election to treat any gain as Chinese source, under your particular circumstances.

Passive Foreign Investment Company

If a non-U.S. company is classified as a PFIC in any taxable year, a U.S. Holder of such PFIC’s shares will be subject to

special rules generally intended to reduce or eliminate any benefits from the deferral of U.S. federal income tax that such U.S. Holder
could derive from investing in a non-U.S. company that does not distribute all of its earnings on a current basis.

Under the PFIC rules, any excess distributions received or gain realized with respect to a PFIC’s stock are allocated ratably
over a U.S. Holder’s holding period in such stock. Amounts allocated to the U.S. Holder’s current taxable year and any taxable year
prior to PFIC classification are taxed as ordinary income, while amounts allocated to other taxable years are taxed at the highest rate of
tax (plus any interest deemed deferred) in effect for such U.S. Holder in such years.

A non-U.S. company will be classified as a PFIC for U.S. federal income tax purposes in any taxable year in which, after

applying certain look-through rules with respect to the income and assets of subsidiaries, either:

•

at least 75% of its gross income is “passive income”; or

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•

at least 50% of the average quarterly value of its total gross assets is attributable to assets that produce “passive income”
or are held for the production of passive income.

Passive income for this purpose generally includes dividends, interest, royalties, rents, gains from commodities and securities

transactions and the excess of gains over losses from the disposition of assets which produce passive income. If a non-U.S. company
owns at least 25% by value of the stock of another company, the non-U.S. company is treated for purposes of the PFIC tests as owning
its proportionate share of the assets of the other company and as receiving directly its proportionate share of the other company’s
income. For publicly traded companies, the PFIC asset test described above is applied using the fair market value of the non-U.S.
company’s assets.

Based on current business plans and financial expectations, it is likely that we will be a PFIC for 2018, the current taxable

year and in future taxable years. However, because PFIC status is based on our income, assets and activities for the entire taxable year,
it is not possible to determine whether we will be characterized as a PFIC for the current taxable year or other years until after the close
of the taxable year. Moreover, we must determine our PFIC status annually based on tests which are factual in nature, and our status in
future years will depend on our income, assets and activities in each of those years, and, as a result, cannot be predicted with certainty
as of the date hereof.

If we are classified as a PFIC in any year with respect to which you own our ordinary shares, we will continue to be treated as

a PFIC with respect to you in all succeeding years during which you own our ordinary shares, regardless of whether we continue to
meet the tests described above, unless you make certain elections (as described below) with respect to our ordinary shares that may
mitigate some of the adverse tax consequences resulting from PFIC treatment. If you own our ordinary shares during any year in which
we are classified as a PFIC, you will generally be required to file an IRS Form 8621 with respect to the company with your federal
income tax return for that year.

A U.S. Holder of “marketable stock” (as defined below) in a PFIC may make a mark-to-market election with respect to such
stock in order to avoid taxation under the rules described above. If a U.S. Holder were to make a valid mark-to-market election for the
ordinary shares of a PFIC, such U.S. Holder would include in income, for each year that such company is treated as a PFIC, an amount
equal to the excess, if any, of the fair market value of the PFIC’s ordinary shares held by such U.S. Holder as of the close of the year
over such U.S. Holder’s adjusted basis in such ordinary shares. Amounts included in your income under a mark-to-market election, as
well as any gain on the actual sale or other disposition of ordinary shares, will be treated as ordinary income. The mark-to-market
election is available only for “marketable stock,” which is stock that is traded in other than de minimis quantities on at least 15 days
during each calendar quarter, or regularly traded, on a qualified exchange or other market, as defined in applicable U.S. Treasury
regulations. Our ordinary shares are listed on the NASDAQ Capital Market, which is a qualified exchange or other market for these
purposes. If our ordinary shares continue to be listed on the NASDAQ Capital Market and are regularly traded, and you are a holder of
our ordinary shares, we expect that the mark-to-market election would be available to you were we to be or become a PFIC. However,
because, as a technical matter, a mark-to-market election cannot be made for any lower-tier PFICs of a PFIC, you would technically
continue to be subject to the PFIC rules with respect to any indirect interest in any investments held by us that are treated as an equity
interest in a PFIC for U.S. federal income tax purposes.

Alternatively, a U.S. Holder of shares in a PFIC may avoid taxation under the rules described above by making a “qualified

electing fund” election, to include in income its share of the PFIC’s income on a current basis. However, a U.S. Holder can only make a
qualified electing fund election with respect to ordinary shares in a PFIC if such company agrees to furnish such U.S. Holder with
certain tax information annually. We currently do not intend to prepare or provide such information. Therefore you should assume that
you will not receive such information from us and would therefore be unable to make a qualified electing fund election with respect to
any of our ordinary shares were we to be or become a PFIC.

You should consult your tax advisor regarding whether we are a PFIC as well as the potential U.S. federal income tax

consequences of holding and disposing of our ordinary shares if we are or become classified as a PFIC, including the possibility of
making a mark-to-market election or a qualifying electing fund election.

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U.S. Holders are urged to consult their tax advisors regarding the consequences of owning and disposing our ordinary shares in
light of their particular circumstances.

F.

Dividends and Paying Agents

Not applicable.

G.

Statement by Experts

Not applicable.

H.

Documents on Display

We have previously filed with the SEC a registration statement on Form F-1 (File No. 333-214610), as amended, with respect

to our ordinary shares. As allowed by the SEC, in Item 19 of this annual report on Form 20-F, we incorporate by reference certain
information we previously filed with the SEC. This means that we can disclose important information to you by referring you to
another document filed separately with the SEC. The information incorporated by reference is considered to be part of this annual
report on Form 20-F.

We are subject to the periodic reporting and other informational requirements of the Exchange Act. Under the Exchange Act,

we are required to file reports and other information with the SEC. Copies of reports and other information, when so filed, may be
inspected without charge and may be obtained at prescribed rates at the SEC’s Public Reference Room at 100 F Street, N.E., Room
1580, Washington, D.C. 20549. The public may obtain information regarding the Public Reference Room by calling the SEC at 1-800-
SEC-0330. The SEC also maintains a website at www.sec.gov that contains reports and other information regarding registrants that file
electronically with the SEC. Our annual report on Form 20-F and other information submitted by us to the SEC may be accessed
through this website.

As a foreign private issuer, we are exempt from the rules under the Exchange Act related to the furnishing and content of

proxy statements, and our officers, directors and principal shareholders will be exempt from the reporting and short-swing profit
recovery provisions contained in Section 16 of the Exchange Act. In addition, we will not be required under the Exchange Act to file
annual, quarterly and current reports and financial statements with the SEC as frequently or as promptly as U.S. companies whose
securities are registered under the Exchange Act. However, we are required to file with the SEC, within four months after the end of
each fiscal year, or such applicable time as required by the SEC, an annual report on Form 20-F containing financial statements audited
by an independent registered public accounting firm, and to submit to the SEC, on Form 6-K, unaudited quarterly financial information
for the first three quarters of each fiscal year.

We maintain a corporate website at www.beyondspringpharma.com. In accordance with NASDAQ Stock Market Rule

5250(d), we will post this annual report on Form 20-F on our website. Information contained on our website is not incorporated by
reference into this annual report on Form 20-F. In addition, we will provide hardcopies of our annual report on Form 20-F free of
charge to shareholders upon request.

I.

Subsidiary Information

Not applicable.

Item 11. Qualitative and Quantitative Disclosures About Market Risk

Interest and Credit Risk

We are not exposed to typical interest rate risk, which is the impact of interest rates on the cost of servicing and repaying debt.

Our exposure to interest rate risk arises through movements in regard to interest income we earn on our deposits and, historically, on
the imputed interest on an interest-free loan from one of our co-founders. Such loan was retired as part of our internal restructuring in
2015. We had cash short-term investments in the amount of $3.9 million and $30.6 million at December 31, 2018 and December 31,
2017, respectively. Our cash is held at financial institutions that we believe to be of high credit quality. We have not used derivative
financial instruments in our investment portfolio. Interest-earning instruments carry a degree of interest rate risk. We have not been
exposed nor do we anticipate being exposed to material risks due to changes in market interest rates. However, our future interest
income may fall short of expectations due to changes in market interest rates.

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Foreign Currency Exchange Rate Risk

We are exposed to foreign exchange risk arising from various currency exposures. Our functional currency is primarily U.S.

dollars, but a portion of our operating transactions and assets and liabilities are in other currencies, such as RMB and AUD. We do not
believe that we currently have any significant direct foreign exchange risk and have not used any derivative financial instruments to
hedge exposure to such risk.

RMB is not freely convertible into foreign currencies for capital account transactions. The value of RMB against the U.S.

dollar and other currencies is affected by, among other things, changes in China’s political and economic conditions and China’s
foreign exchange prices. To the extent that we need to convert U.S. dollars into RMB for our operations, appreciation of the RMB
against the U.S. dollar would have an adverse effect on the RMB amount we receive from the conversion. Conversely, if we decide to
convert RMB into U.S. dollars for the purpose of making payments for dividends on our ordinary shares or for other business purposes,
appreciation of the U.S. dollar against the RMB would have a negative effect on the U.S. dollar amounts available to us.

Item 12. Description of Securities Other than Equity Securities

A.

Debt Securities

Not applicable.

B.

Warrants and Rights

Not applicable.

C.

Other Securities

Not applicable.

D.

American Depositary Shares

Not applicable.

Item 13. Defaults, Dividend Arrearages and Delinquencies

None.

PART II

Item 14. Material Modifications to the Rights of Security Holders and Use of Proceeds

In connection with our initial public offering, we have adopted an amended and restated memorandum and articles of

association, which became effective and replaced our pre-offering memorandum and articles of association in its entirety in March
2017. For a description of the rights of holders of our ordinary shares, see “Item 10. Additional Information—B. Memorandum and
Articles of Association.”

The following “Use of Proceeds” information relates to the registration statement on Form F-1, as amended (File No. 333-

214610) in relation to our initial public offering, which was declared effective by the SEC on March 8, 2017. In March 2017, we
completed our initial public offering and the concurrent private placement, in which we issued and sold 174,286 ordinary shares in the
initial public offering and 2,541,048 ordinary shares in the current private placement. We received an aggregate amount of net proceeds
of approximately $47.2 million, after deducting underwriting discounts and commissions and the offering expenses.

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For the period from March 8, 2017, the date that the registration statement on Form F-1 was declared effective by the SEC, to

December 31, 2018, we used the net proceeds from our initial public offering and the concurrent private placement as follows:

•

•

•

•

•

Approximately $13,700,000 to conduct a Phase 2/3 clinical trial of Plinabulin in combination with docetaxel for the
reduction of docetaxel chemotherapy-induced severe neutropenia and a Phase 2/3 clinical trial of Plinabulin in
combination with other chemotherapeutic agents for the prevention of non-docetaxel chemotherapy-induced severe
neutropenia;

Approximately $1,500,000 to fund our collaboration with the Fred Hutchinson Center and the University of Washington;

Approximately $7,500,000 to pay salaries and consultant fees and to cover research and development costs, which
includes consulting fees paid to Dr. Lloyd as well as salaries paid to our executive officers;

Approximately $17,000,000 to pay certain expenses in connection with a Phase 3 clinical trial of Plinabulin as an
anticancer agent in combination with docetaxel in advanced NSCLC;

Approximately $13,300,000 to pay salaries and consulting fees and to cover general and administrative costs; and

Item 15. Controls and Procedures

(a)

Disclosure Controls and Procedures

Our management has evaluated, with the participation of our Chief Executive Officer and Chief Financial Officer, the

effectiveness of our disclosure controls and procedures (as defined in Rule 13a-15(e) under the Exchange Act) as of the end of the
period covered by this report, and has concluded that our disclosure controls and procedures were effective as of December 31, 2018.

(b)

Management’s Annual Report on Internal Control Over Financial Reporting

Our management is responsible for establishing and maintaining adequate internal control over financial reporting as defined

in Rules 13a-15(f) and 15d-15(f) under the Exchange Act. Our internal control over financial reporting is a process designed to provide
reasonable assurance regarding the reliability of our financial reporting and the preparation of financial statements for external
purposes in accordance with the U.S. GAAP and includes those policies and procedures that (1) pertain to the maintenance of records
that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of our company; (2) provide
reasonable assurance that transactions are recorded as necessary to permit preparation of consolidated financial statements in
accordance with GAAP, and that receipts and expenditures of our company are being made only in accordance with authorizations of
our management and directors; and (3) provide reasonable assurance regarding prevention or timely detection of the unauthorized
acquisition, use or disposition of our company’s assets that could have a material effect on the consolidated financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also,

projections of any evaluation of effectiveness to future periods are subject to the risks that controls may become inadequate because of
changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

As required by Section 404 of the Sarbanes-Oxley Act and related rules as promulgated by the SEC, our management
including our Chief Executive Officer and Chief Financial Officer assessed the effectiveness of internal control over financial reporting
as of December 31, 2018 using the criteria set forth in the report “Internal Control—Integrated Framework (2013)” published by the
Committee of Sponsoring Organizations of the Treadway Commission. Based on this evaluation, management concluded that our
internal control over financial reporting was effective as of December 31, 2018.

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Table of Contents

Our independent registered public accounting firm, Ernst & Young Hua Ming LLP, was not required to perform an evaluation

of our internal control over financial reporting as of December 31, 2018.

(c)

Attestation Report of the Registered Public Accounting Firm

See statement in Section (b) above. As an “emerging growth company,” as defined in the JOBS Act, we may take advantage
of certain temporary exemptions from various reporting requirements, including, but not limited to, not being required to comply with
the auditor attestation requirements of Section 404 of the Sarbanes-Oxley Act (and the SEC rules and regulations thereunder). When
these exemptions cease to apply, we expect to incur additional expenses and devote increased management effort toward ensuring
compliance with them.

(d)

Changes in Internal Control Over Financial Reporting

There were no changes in our internal control over financial reporting during the period covered by this annual report on Form

20-F that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Item 16.

[Reserved]

Item 16A. Audit Committee Financial Expert

Patrick Fabbio is an audit committee financial expert. Our board of directors is of the opinion that retaining a financial expert

is not necessary at this time since our company is at its start-up stage.

Item 16B. Code of Ethics

In connection with our initial public offering, we have adopted a written code of ethics that applies to all of our directors,

executive officers and employees. The code of ethics is available in the investors section of our website
(www.beyondspringpharma.com).

Item 16C. Principal Accountant Fees and Services

The following table sets forth the aggregate fees by categories specified below in connection with certain professional services

rendered by Ernst & Young Hua Ming LLP, our principal external auditors, for the periods indicated.

Audit Fees(1)
Audit-Related Fees(2)
Tax Fees(3)
All Other Fees(4)
Total

  Year Ended December 31,  

2017

2018

  $

  $

426    $
—     
—     
—     
426    $

468 
— 
— 
— 
468 

(1) “Audit Fees” represents the aggregate fees for the interim reviews and annual audit of our financial statements for 2018 as well as

other assurance service.

(2) “Audit-Related Fees” represents the aggregate fees billed for each of the fiscal years listed for the assurance and related services

rendered by our principal auditors that are reasonably related to the performance of the audit or review of our financial statements
and not reported under “Audit Fees.”

(3) “Tax Fees” represents the aggregate fees billed for each of the fiscal years listed for the professional tax services rendered by our

principal auditors.

(4) “All Other Fees” represents the aggregate fees for services rendered by our principal auditors other than services reported under

“Audit Fees,” “Audit-related Fees” and “Tax Fees.”

151

 
 
 
   
 
   
   
   
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Audit Committee Pre-Approval Policies and Procedures

Our Audit Committee has adopted a policy pursuant to which we will not engage our auditors to perform any non-audit

services unless the audit committee pre-approves the service.

Item 16D. Exemptions from the Listing Standards for Audit Committees

Not applicable.

Item 16E. Purchases of Equity Securities by the Issuer and Affiliated Purchasers

Not applicable.

Item 16F. Change in Registrant’s Certifying Accountant

Not applicable.

Item 16G. Corporate Governance

As a Cayman Islands company listed on the Nasdaq Capital Market, we are subject to the Nasdaq corporate governance listing

standards. However, the Nasdaq rules permit a foreign private issuer like us to follow the corporate governance practices of its home
country. Certain corporate governance practices in the Cayman Islands, which is our home country, may differ significantly from the
Nasdaq corporate governance listing standards. Maples and Calder (Hong Kong) LLP, our Cayman Islands counsel, has provided a
letter to the Nasdaq Stock Market certifying that under Cayman Islands law, we are not required to hold annual shareholders meetings
every year. We follow home country practice with respect to annual meetings and did not hold an annual meeting of shareholders in
2018. We will, however, hold annual shareholders meetings in the future if there are matters that require shareholders’ approval.

Other than the annual meeting practice described above, there are no significant differences between our corporate governance

practices and those followed by U.S. domestic companies under Nasdaq Stock Market Rules.

However, if we choose to follow other home country practice in the future, our shareholders may be afforded less protection

than they otherwise would under the Nasdaq corporate governance listing standards applicable to U.S. domestic issuers. See “Item 3.D.
Key Information—Risk Factors—Risks Related to Our Ordinary Shares—As a foreign private issuer, we are permitted to adopt certain
home country practices in relation to corporate governance matters that differ significantly from the Nasdaq Capital Market corporate
governance listing standards. These practices may afford less protection to shareholders than they would enjoy if we complied fully
with corporate governance listing standards.”

Item 16H. Mine Safety Disclosure

Not applicable.

Item 17. Financial Statements

PART III

We have elected to provide financial statements pursuant to Item 18.

Item 18. Financial Statements

The consolidated financial statements of BeyondSpring Inc. are included at the end of this annual report on Form 20-F.

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Table of Contents

Item 19. Exhibits

1.1*
2.1*
4.1*
4.2*

4.3*
4.4*
4.5*

4.6*

4.7*

4.8*

4.9*
4.10*
4.11*
4.12*
4.13*

4.14***

4.15***

Amended and Restated Memorandum and Articles of Association of BeyondSpring Inc.
Specimen Certificate for Ordinary Shares of BeyondSpring Inc.
Consulting Agreement, dated as of June 18, 2013, between Wanchun Pharma and GKOL Inc.
First Amendment to the Consulting Agreement, dated as of March 30, 2014, among Wanchun Pharma, BeyondSpring U.S.
and GKOL Inc.
Second Amendment to the Consulting Agreement, dated as of June 1, 2015, between BeyondSpring U.S. and GKOL Inc.
Termination Agreement, dated as of February 2, 2015, among BeyondSpring Inc., Wanchun Biotech and Nereus
Amended and Restated Employment Agreement, dated as of November 10, 2016, between BeyondSpring U.S. and
Richard Brand
Amended and Restated Employment Agreement, dated as of November 10, 2016, between BeyondSpring U.S. and Lan
Huang
Amended and Restated Employment Agreement, dated as of November 10, 2016, between BeyondSpring U.S. and Ramon
Mohanlal
Amended and Restated Employment Agreement, dated as of November 10, 2016, between BeyondSpring U.S. and Gordon
L. Schooley
Form of Director and Executive Officer Indemnification Agreement
BeyondSpring Inc. 2017 Omnibus Incentive Plan and related form agreements
Form of Director Agreement
Form of Share Subscription Agreement between BeyondSpring Inc. and Regulation S investors
Share Subscription Agreement, dated as of February 27, 2017, between BeyondSpring Inc. and Sangel Star Biomedical
Fund LP
Letter Agreement with respect to BPI-002 Milestone Stock Bonus Award, dated as of April 11, 2017, between
BeyondSpring Inc. and Ramon Mohanlal
Letter Agreement with respect to BPI-004 Milestone Stock Bonus Award, dated as of April 11, 2017, between
BeyondSpring Inc. and Ramon Mohanlal

4.16***** Severance Agreement and General Release, dated as of February 20, 2018, between BeyondSpring U.S. and Richard

Brand

4.19****

4.20****

4.21****

4.17***** Employment Agreement, dated as of March 26, 2018, between BeyondSpring U.S. and Edward Dongheng Liu
4.18****

Securities Purchase Agreement dated as of May 29, 2018, by and between BeyondSpring Inc. and China Southern Dragon
Dynamic Fund
Securities Purchase Agreement dated as of May 29, 2018, by and between BeyondSpring Inc. and Everbright Sun Hung
Kai Co., Ltd.
Securities Purchase Agreement dated as of May 29, 2018, by and between BeyondSpring Inc. and New China Asset
Management (Hong Kong) Limited
Securities Purchase Agreement dated as of May 29, 2018, by and between BeyondSpring Inc. and Tianyi HongKong
Development Ltd.
Employment Agreement, dated as of June 8, 2018, between BeyondSpring Pharmaceuticals, Inc. and Richard Daly
Employment Agreement, dated as of March 16, 2018, between BeyondSpring Pharmaceuticals, Inc. and James Tonra
List of Subsidiaries of BeyondSpring Inc.
Certification by Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
Certification by Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
Certification by Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
Certification by Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
Consent of Ernst & Young Hua Ming LLP
Consent of Maples and Calder (Hong Kong) LLP
Consent of Han Kun Law Offices
XBRL Instance Document

4.22**
4.23**
8.1*
12.1**
12.2**
13.1**
13.2**
15.1**
15.2**
15.3**
101.INS
101.SCH XBRL Taxonomy Extension Schema Document
101.CAL XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF XBRL Taxonomy Extension Definition Linkbase Document
101.LAB XBRL Taxonomy Extension Label Linkbase Document
101.PRE XBRL Taxonomy Extension Presentation Linkbase Document

153

Table of Contents

*

Previously filed with the Registration Statement on Form F-1 (File No. 333-214610), as amended, initially filed on November
15, 2016, and incorporated herein by reference.

**

Furnished with this annual report on Form 20-F.

***

Incorporated by reference to the 2016 annual report on Form 20-F of BeyondSpring Inc. filed with the SEC on April 28, 2017.

****

Previously filed with Form 6-K of BeyondSpring Inc., initially filed with the SEC on May 30, 2018, and incorporated herein
by reference.

*****

Incorporated by reference to the 2017 annual report on Form 20-F of BeyondSpring Inc. filed with the SEC on April 3, 2018.

In reviewing the agreements included as exhibits to this annual report on Form 20-F, please remember they are included to

provide you with information regarding their terms and are not intended to provide any other factual or disclosure information about us
or the other parties to the agreements.

The agreements may contain representations and warranties by each of the parties to the applicable agreement. These

representations and warranties have been made solely for the benefit of the other parties to the applicable agreement and:

•

•

should not in all instances be treated as categorical statements of fact, but rather as a way of allocating the risk to one of
the parties if those statements prove to be inaccurate;

have been qualified by disclosures that were made to the other party in connection with the negotiation of the applicable
agreement, which disclosures are not necessarily reflected in the agreement;

• may apply standards of materiality in a way that is different from what may be viewed as material to you or other

investors; and

•

were made only as of the date of the applicable agreement or such other date or dates as may be specified in the
agreement and are subject to more recent developments.

Accordingly, these representations and warranties may not describe the actual state of affairs as of the date they were made or

at any other time.

BeyondSpring Inc. hereby certifies that it meets all of the requirements for filing on Form 20-F and that it has duly caused and
authorized the undersigned to sign this annual report on Form 20-F on its behalf.

SIGNATURES

Date: April 30, 2019

BeyondSpring Inc.

By: /s/ Lan Huang
Name: Lan Huang
Title:

Chief Executive Officer

154

 
 
 
 
 
 
 
 
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INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

Audited Consolidated Financial Statements of BeyondSpring Inc.
Report of Independent Registered Public Accounting Firm
Consolidated balance sheets as of December 31, 2018 and 2017
Consolidated statements of comprehensive loss for the years ended December 31, 2018, 2017 and 2016
Consolidated statements of shareholders’ equity (deficit) for the years ended December 31, 2018, 2017 and 2016
Consolidated statements of cash flows for the years ended December 31, 2018, 2017 and 2016
Notes to consolidated financial statements

Page 

F-2
F-3
F-4
F-5
F-6
F-7

F-1

 
 
Table of Contents

Report of Independent Registered Public Accounting Firm

To the Shareholders and the Board of Directors of BeyondSpring Inc.:

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of BeyondSpring Inc. (the “Company”) as of December 31, 2018
and 2017, the related consolidated statements of comprehensive loss, shareholders’ equity (deficit) and cash flows for each of the three
years in the period ended December 31, 2018, and the related notes (collectively referred to as the “consolidated financial statements”).
In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company as of
December  31,  2018  and  2017,  and  the  results  of  its  operations  and  its  cash  flows  for  each  of  the  three  years  in  the  period  ended
December 31, 2018, in conformity with U.S. generally accepted accounting principles.

The Company’s Ability to Continue as a Going Concern

The accompanying consolidated financial statements have been prepared assuming that the Company will continue as a going
concern. As discussed in Note 2 to the financial statements, the Company has suffered recurring losses from operations, has a working
capital  deficiency,  and  has  stated  that  substantial  doubt  exists  about  the  Company’s  ability  to  continue  as  a  going  concern.
Management’s evaluation of the events and conditions and management’s plans regarding these matters are also described in Note 2.
The consolidated financial statements do not include any adjustments that might result from the outcome of this uncertainty.

Basis for Opinion

These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on
the  Company’s  financial  statements  based  on  our  audits.  We  are  a  public  accounting  firm  registered  with  the  Public  Company
Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance
with  the  U.S.  federal  securities  laws  and  the  applicable  rules  and  regulations  of  the  Securities  and  Exchange  Commission  and  the
PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the
audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or
fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due
to error or fraud. The Company is not required to have, nor were we engaged to perform, an audit of its internal control over financial
reporting. As part of our audits we are required to obtain an understanding of internal control over financial reporting but not for the
purpose  of  expressing  an  opinion  on  the  effectiveness  of  the  Company’s  internal  control  over  financial  reporting.  Accordingly,  we
express no such opinion.

Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due
to fraud or error, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence
regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used
and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe
that our audits provide a reasonable basis for our opinion.

/s/ Ernst & Young Hua Ming LLP
We have served as the Company’s auditor since 2015.
Beijing, People’s Republic of China
April 30, 2019

F-2

Table of Contents

BEYONDSPRING INC.

CONSOLIDATED BALANCE SHEETS

(Amounts in thousands of U.S. Dollars (“$”), except for number of shares and per share data)

  Note   

As of December 31

2017    
$     

2018 
$ 

Assets

Current assets:
Cash
Short term investment
Advances to suppliers
Due from related parties
Prepaid expenses and other current assets
Total current assets

Noncurrent assets:
Property and equipment, net
Other noncurrent assets
Total noncurrent assets

Total assets

Liabilities and equity

Current liabilities:
Accounts payable
Government grants
Accrued expenses
Other current liabilities
Total current liabilities

Total liabilities

4     

3     

Commitments and contingencies

10     

Equity (deficit):
Ordinary shares ($0.0001par value; 500,000,000 shares authorized; 22,530,702 shares and

23,184,612 shares issued and outstanding as of December 31, 2017 and 2018, respectively)

Additional paid-in capital
Accumulated deficit
Accumulated other comprehensive loss (gain)

Total BeyondSpring Inc. shareholders’ equity (deficit)
Noncontrolling interests
Total equity (deficit)

Total liabilities and equity (deficit)

27,481     
3,074     
1,525     
-     
264     
32,344     

123     
361     
484     

3,889 
- 
1,209 
481 
292 
5,871 

282 
910 
1,192 

32,828     

7,063 

3,379     
307     
807     
299     
4,792     

9,586 
- 
5,495 
1,364 
16,445 

4,792     

16,445 

2     
151,147     
(123,891)    
(182)    

2 
170,950 
(178,760)
42 

27,076     
960     
28,036     

(7,766)
(1,616)
(9,382)

32,828     

7,063 

The accompanying notes are an integral part of these consolidated financial statements.

F-3

 
 
   
 
 
 
 
   
 
 
    
    
  
 
      
      
  
 
 
      
      
  
 
      
      
  
 
      
 
      
 
      
 
 
      
 
      
 
 
   
     
  
 
      
      
  
 
 
      
 
      
 
 
      
      
  
 
      
 
 
      
      
  
 
      
      
  
 
 
      
      
  
 
      
      
  
 
      
 
      
 
      
 
      
 
      
 
 
      
      
  
 
      
 
 
      
      
  
 
      
  
 
 
      
      
  
 
      
      
  
 
      
 
      
 
      
 
      
 
 
      
      
  
 
      
 
      
 
      
 
 
      
      
  
 
      
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BEYONDSPRING INC.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS

(Amounts in thousands of U.S. Dollars (“$”), except for number of shares and per share data)

Revenue

Operating expenses:
Research and development, including patent cost of $42,259 for the year

ended December 31, 2017
General and administrative

Loss from operations
Foreign exchange (loss) gain, net
Interest income
Other income

Net loss before income tax
Income tax benefit

Net loss

Less: Net loss attributable to noncontrolling interests

Net loss attributable to BeyondSpring Inc.

Net loss per share
Basic and diluted

Weighted average shares outstanding

Basic and diluted

Other comprehensive loss
Foreign currency translation adjustment (loss) gain
Total comprehensive loss

Less: Comprehensive loss attributable to noncontrolling interests

Comprehensive loss attributable to BeyondSpring Inc.

  Note    

Year ended December 31,
2016    
$   

2017    
$   

-     

-     

2018 
$ 

- 

(10,437)    
(1,931)    

(88,928)    
(9,053)    

(51,618)
(5,927)

(12,368)    
(195)    
18     
-     

(97,981)    
555     
120     
918     

(57,545)
(455)
211 
315 

5     

(12,545)    
-     

(96,388)    
-     

(57,474)
- 

(12,545)    
(535)    
(12,010)    

(96,388)    
(4,625)    
(91,763)    

(57,474)
(2,605)
(54,869)

6     

(0.75)    

(4.40)    

(2.42)

6      16,086,419      20,866,084      22,665,265 

(64)    
(12,609)    
(561)    
(12,048)    

(1)    
(96,389)    
(4,535)    
(91,854)    

251 
(57,223)
(2,578)
(54,645)

The accompanying notes are an integral part of these consolidated financial statements.

F-4

 
   
   
 
 
 
   
   
 
   
     
      
      
  
   
     
 
   
     
      
      
  
   
     
      
      
  
 
 
     
   
     
 
   
     
      
      
  
   
     
   
     
   
     
   
     
 
   
     
      
      
  
   
     
 
 
 
      
      
      
  
 
      
 
      
 
      
 
 
      
      
      
  
 
      
      
      
  
 
 
 
      
      
      
  
 
      
      
      
  
 
 
 
      
      
      
  
 
      
      
      
  
 
      
 
      
 
      
 
      
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BEYONDSPRING INC.

CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY (DEFICIT)

(Amounts in thousands of U.S. Dollars (“$”), except for number of shares and per share data)

BeyondSpring Inc.’s shareholders

Ordinary share

Shares

    Amount

Additional
paid-in
capital

Accumulated
deficit

$   

$   

$   

Accumulated
other
comprehensive
(loss) gain

    Subtotal    
$   

$   

Non
controlling
interests    
$   

Total
equity
(deficit)  
$ 

Balances at January

1, 2016

    15,750,000     

2     

29,119     

(20,118)    

(53)    

8,950     

708     

9,658 

Issuance of ordinary
shares (Note 1)
Foreign currency

translation
adjustment loss

Net loss

Balances at

    1,129,628     

-     

15,250     

-     

-     

15,250     

-      15,250 

-     
-     

-     
-     

-     
-     

-     
(12,010)    

(38)    
-     

(38)    
(12,010)    

(64)
(26)    
(535)     (12,545)

December 31, 2016     16,879,628     

2     

44,369     

(32,128)    

(91)    

12,152     

147      12,299 

Issuance of ordinary
shares (Note 1)
Effect of capital

contribution to a
subsidiary
Share-based

compensation (Note
7)

Foreign currency
translation
adjustment (loss)
gain
Net loss

Balances at

    4,828,297     

-     

89,443     

-     

-     

(1,480)    

822,777     

-     

18,815     

-     

-     

-     

-     

89,443     

-      89,443 

-     

(1,480)    

1,480     

- 

-     

18,815     

3,868      22,683 

-     
-     

-     
-     

-     
-     

-     
(91,763)    

(91)    
-     

(91)    
(91,763)    

90     

(1)
(4,625)     (96,388)

December 31, 2017     22,530,702     

2     

151,147     

(123,891)    

(182)    

27,076     

960      28,036 

Issuance of ordinary
shares (Note 1)

Share-based

compensation (Note
7)

Foreign currency
translation
adjustment gain

Net loss

Balances at

739,095     

-     

13,245     

(85,185)    

-     

6,558     

-     

-     

-     

13,245     

-      13,245 

-     

6,558     

2     

6,560 

-     
-     

-     
-     

-     
-     

-     
(54,869)    

224     
-     

224     
(54,869)    

27     

251 
(2,605)     (57,474)

December 31, 2018     23,184,612     

2     

170,950     

(178,760)    

42     

(7,766)    

(1,616)    

(9,382)

The accompanying notes are an integral part of these consolidated financial statements.

F-5

 
     
     
 
 
 
   
   
   
 
   
   
 
   
     
      
      
      
      
      
      
  
   
   
 
   
      
      
      
      
      
      
      
  
 
   
      
      
      
      
      
      
      
  
   
   
   
   
 
   
      
      
      
      
      
      
      
  
 
   
      
      
      
      
      
      
      
  
   
   
   
   
 
   
      
      
      
      
      
      
      
  
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BEYONDSPRING INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Amounts in thousands of U.S. Dollars (“$”), except for number of shares and per share data)

Cash flows from operating activities:
Net loss
Adjustments to reconcile net loss to cash used in operating activities:

Depreciation expenses
Share-based compensation
Research and development expense settled by share issuance
Other income from government grant

Changes in assets and liabilities:

Advances to suppliers
Due from related parties
Prepaid expenses and other current assets
Other noncurrent assets
Accounts payable
Due to related parties
Accrued expenses
Other current liabilities

Net cash used in operating activities

Cash flows from investing activities:

Acquisitions of property and equipment
Purchase of short-term investments
Proceeds from maturity of short-term investments
Net cash (used in) provided by investing activities

Cash flows from financing activities:

Proceeds from issuance of ordinary shares
Payments of shares offering costs

Net cash provided by financing activities

  Note    

Year ended December 31,
2016    
$   

2017    
$   

2018 
$ 

(12,545)    

(96,388)    

(57,474)

 3     
7     
10     

18     
-     
-     
-     

32     
22,683     
42,259     
-     

(710)    
-     
(334)    
(121)    
144     
(222)    
(102)    
174     
(13,698)    

(726)    
-     
96     
(240)    
2,935     
(210)    
699     
64     
(28,796)    

(64)    
-     
-     
(64)    

(76)    
(3,074)    
-     
(3,150)    

48 
6,560 
- 
(307)

316 
(481)
(28)
(549)
6,207 
- 
4,688 
1,065 
(39,955)

(207)
- 
3,074 
2,867 

1     

15,250     
(537)    
14,713     

50,505     
(2,783)    
47,722     

14,000 
(755)
13,245 

Effect of foreign exchange rate changes

(85)    

18     

251 

Net increase (decrease) in cash and cash equivalents
Cash at beginning of year
Cash at end of year

Non-cash activities:

866     
10,821     
11,687     

15,794     
11,687     
27,481     

(23,592)
27,481 
3,889 

Initial public offering costs accrued in accrued expenses
Research and development expense settled by share issuance

10     

1,324     
-     

-     
42,259     

- 
- 

The accompanying notes are an integral part of these consolidated financial statements.

F-6

 
   
 
   
   
   
     
      
      
  
 
     
   
     
      
      
  
 
   
   
   
      
 
   
      
      
      
  
   
      
      
      
  
   
      
   
      
   
      
   
      
   
      
   
      
   
      
   
      
   
      
 
   
      
      
      
  
   
      
      
      
  
   
      
   
      
   
      
   
      
 
   
      
      
      
  
   
      
      
      
  
   
   
      
   
      
 
   
      
      
      
  
   
      
 
   
      
      
      
  
   
      
   
      
   
      
 
   
      
      
      
  
   
      
      
      
  
   
      
   
Table of Contents

1.

Nature of the business

BEYONDSPRING INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
FOR THE YEARS ENDED DECEMBER 31, 2018, 2017 AND 2016
(Amounts in thousands of U.S. Dollars (“$”) and Renminbi (“RMB”),
except for number of shares and per share data)

BeyondSpring  Inc.  (the  “Company”)  was  incorporated  in  the  Cayman  Islands  on  November  21,  2014.  The  Company  and  its
subsidiaries  (collectively,  the  “Group”)  are  principally  engaged  in  clinical  stage  biopharmaceutical  activities  focused  on  the
development  of  innovative  cancer  therapies.  The  Company  is  under  the  control  of  Mr.  Linqing  Jia  and  Dr.  Lan  Huang  as  a  couple
(collectively, the “Founders”) since its incorporation.

In  September  2016,  the  Company  issued  1,129,628  ordinary  shares  of  the  Company  to  several  third-party  investors  for  an

aggregate cash consideration of $15,250 or $13.5 per share.

On  March  14,  2017,  the  Company  completed  its  initial  public  offering  (“IPO”)  on  the  NASDAQ  Capital  Market.  174,286
ordinary shares were sold at $20.00 per share (the “IPO Price”). In conjunction with the IPO, 2,541,048 ordinary shares were sold in a
private  placement  to  certain  investors  at  the  same  IPO  Price.  Net  proceeds  from  the  IPO  and  private  placement  after  deducting
underwriting discount and offering expenses were $47,184. The underwriting discount and offering expenses including those recorded
as  deferred  IPO  costs  were  recorded  as  a  reduction  of  the  proceeds  received  from  the  IPO  in  the  shareholders’  equity.  Immediately
prior to the IPO, the Company issued 2,112,963 ordinary shares to NPBSIPO Liquidating Trust, or Nereus Trust in connection with
termination of royalty payment arrangement (Note 10).

In May 2018, the Company entered into various agreements with certain third-party investors to issue 739,095 ordinary shares of
the Company with a par value $0.0001 per share for an aggregate cash consideration of $20,000 or $27.06 per ordinary share. To date,
the Company received gross proceeds of $14,000 (net proceeds of $13,245) from the issuance.

On  May  21,  2018,  Beijing  Wanchun  Pharmaceutical  Technology  Ltd.  was  incorporated  in  the  People’s  Republic  of  China

(“PRC”) as a wholly owned subsidiary of Dalian Wanchunbulin Pharmaceuticals Ltd.

F-7

Table of Contents

BEYONDSPRING INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
FOR THE YEARS ENDED DECEMBER 31, 2018, 2017 AND 2016
(Amounts in thousands of U.S. Dollars (“$”) and Renminbi (“RMB”),
except for number of shares and per share data)

1.

Nature of the business (continued)

As at December 31, 2018, the subsidiaries of the Company are as follows:

Name of company

Place of incorporation

BeyondSpring

Pharmaceuticals Inc.
(“BeyondSpring US”)

Delaware, 
United States of America
(“U.S.”)

BeyondSpring Ltd.

The British Virgin Islands
(“BVI”)

Date of
incorporation

Percentage of
ownership by
the Company

Principal activities

June 18, 2013

100%

Clinical trial activities

December 3, 2014

100%

Holding company

BeyondSpring (HK)

Limited
(“BeyondSpring HK”)

Wanchun Biotechnology

Limited (“BVI
Biotech”)

Hong Kong

January 13, 2015

100%

Holding company

BVI

April 1, 2015

100%

Holding company

Wanchun Biotechnology

(Shenzhen) Ltd.
(“Wanchun Shenzhen”)

The People’s Republic of
China
(“PRC”)

April 23, 2015

100%

Holding company

Dalian Wanchunbulin

Pharmaceuticals Ltd.
(“Wanchunbulin”)

BeyondSpring

Pharmaceuticals
Australia PTY Ltd.
(“BeyondSpring
Australia”)

Beijing Wanchun
Pharmaceutical
Technology Ltd.
(“Beijing Wanchun”)

PRC

May 6, 2015

60%

Clinical trial activities

Australia

March 3, 2016

100%

Clinical trial activities

PRC

May 21, 2018

60%

Clinical trial activities

F-8

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Table of Contents

BEYONDSPRING INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
FOR THE YEARS ENDED DECEMBER 31, 2018, 2017 AND 2016
(Amounts in thousands of U.S. Dollars (“$”) and Renminbi (“RMB”),
except for number of shares and per share data)

2.

Summary of significant accounting policies

Basis of presentation

The  consolidated  financial  statements  of  the  Company  have  been  prepared  in  accordance  with  U.S.  generally  accepted

accounting principles (“GAAP”).

Going concern

According to Accounting Standards Codification (“ASC”) 205-40, Presentation of Financial Statements - Going Concern (“ASC
205-40”), management must evaluate whether there are conditions or events, considered in the aggregate, that raise substantial doubt
about the Company’s ability to continue as a going concern within one year after the date that the financial statements are issued. This
evaluation  initially  does  not  take  into  consideration  the  potential  mitigating  effect  of  management’s  plans  that  have  not  been  fully
implemented  as  of  the  date  the  financial  statements  are  issued.  When  substantial  doubt  exists  under  this  methodology,  management
evaluates whether the mitigating effect of its plans sufficiently alleviates substantial doubt about the Company’s ability to continue as a
going concern. The mitigating effect of management’s plans, however, is only considered if both (1) it is probable that the plans will be
effectively  implemented  within  one  year  after  the  date  that  the  financial  statements  are  issued,  and  (2)  it  is  probable  that  the  plans,
when implemented, will mitigate the relevant conditions or events that raise substantial doubt about the entity’s ability to continue as a
going concern within one year after the date that the financial statements are issued.

The Company has incurred operating losses and negative cash flows from operations since inception. To date, the Company has
no product revenue and management expects operating losses to continue for the foreseeable future, and has primarily funded these
losses through equity financings. The Company incurred a net loss of $57,474 during 2018 and has an accumulated deficit of $178,760
as of December 31, 2018. Net cash used in operations was approximately $39,955 for the year of 2018. As of December 31, 2018, the
Company had $3,889 of cash on hand, with current liabilities amounting to $16,445. Losses are anticipated in the ongoing development
of the Company’s business and therefore can be no assurance that the Company will be able to achieve profitability.

The continuing operations of the Company is depending upon the Company’s ability to obtain necessary financing to fund its
working capital requirement. These financial statements have been prepared in accordance with U.S. GAAP, on a going concern basis,
which contemplates the realization of assets and the satisfaction of liabilities and commitments in the normal course of business. These
financial  statements  do  not  include  any  adjustments  relating  to  the  recoverability  and  classification  of  recorded  asset  amounts,  or
amounts and classification of liabilities that might result from this uncertainty.

In order to enable the Company to operate as a going concern in the foreseeable future, the Company will need, among other
things,  additional  capital  resources.  There  can  be  no  assurance  that  capital  will  be  available  as  necessary  to  meet  the  Company’s
working  capital  requirements  or,  if  the  capital  is  available,  that  it  will  be  on  terms  acceptable  to  the  Company.  The  issuances  of
additional  equity  securities  by  the  Company  may  result  in  dilution  in  the  equity  interests  of  its  current  shareholders.  Obtaining
commercial loans, assuming those loans will be available, will increase the Company’s liabilities and future cash commitments. If the
Company  is  unable  to  obtain  financing  in  the  amounts  and  on  terms  deemed  acceptable,  the  business  and  future  success  will  be
adversely affected including suspension of business operations. These factors raise substantial doubt regarding the Company’s ability
to continue as a going concern.

F-9

Table of Contents

BEYONDSPRING INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
FOR THE YEARS ENDED DECEMBER 31, 2018, 2017 AND 2016
(Amounts in thousands of U.S. Dollars (“$”) and Renminbi (“RMB”),
except for number of shares and per share data)

2.

Summary of significant accounting policies (continued)

Basics of consolidation

The  consolidated  financial  statements  include  the  financial  statements  of  the  Company  and  its  subsidiaries.  All  intercompany

transactions and balances between the Company and its subsidiaries are eliminated upon consolidation.

Use of estimates

The preparation of the consolidated financial statements in conformity with GAAP requires management to make estimates and
assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the
financial  statements  and  the  reported  amounts  of  expenses  during  the  period.  Areas  where  management  uses  subjective  judgment
include,  but  are  not  limited  to,  share-based  compensation,  clinical  trial  accrual,  valuation  allowance  for  deferred  tax  assets,  and
estimating  of  useful  life  for  property  and  equipment.  Management  bases  the  estimates  on  historical  experience,  known  trends  and
various  other  assumptions  that  are  believed  to  be  reasonable,  the  results  of  which  form  the  basis  for  making  judgments  about  the
carrying values of assets and liabilities. Actual results could differ from these estimates.

Research and development (“R&D”) costs

The  Company  accounts  for  R&D  costs  in  accordance  with  ASC  730,  Research  and  Development.  R&D  costs  primarily  are
comprised of costs incurred in performing research and development activities, including related personnel and consultant’s salaries,
benefits and related costs, raw materials and supplies to develop product candidates, patent-related costs incurred in connection with
filing  patent  applications  and  external  costs  of  outside  vendors  engaged  to  conduct  clinical  development  activities  and  trials.  The
Company expenses R&D costs as they are incurred.

The  costs  incurred  relate  to  nonrefundable  advance  payments  for  goods  or  services  that  will  be  used  in  future  research  and
development activities are deferred and capitalized. The capitalized amounts are expensed as R&D costs when the related goods are
delivered or the services are performed, or when the Company does not expect it will need the goods to be delivered or the services to
be rendered.

Research contract costs and accruals

The  Company  has  entered  into  various  research  and  development  contracts  with  research  institutions  and  other  companies
primarily  in  the  PRC,  the  United  States,  and  Australia.  Related  payments  are  recorded  as  research  and  development  expenses  as
incurred. The Company records accruals for estimated ongoing research costs. When evaluating the adequacy of the accrued liabilities,
the  Company  analyzes  progress  of  the  studies,  including  the  phase  or  completion  of  events,  invoices  received  and  contracted  costs.
Significant judgments and estimates are made in determining the accrued balances at the end of any reporting period. Actual results
could  differ  from  the  Company’s  estimates.  The  Company’s  historical  accrual  estimates  have  not  been  materially  different  from  the
actual costs.

Foreign currency translation and transactions

Functional currency

The Company currently uses U.S. dollar as the functional currency for all its entities, except for entities in the PRC, which adopt
RMB  as  the  functional  currency,  and  BeyondSpring  Australia,  which  adopts  the  Australian  dollar  as  the  functional  currency.  The
determination of the respective functional currency is based on the criteria of ASC 830, Foreign Currency Matters. The Company uses
the U.S. dollar as its reporting currency.

F-10

Table of Contents

BEYONDSPRING INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
FOR THE YEARS ENDED DECEMBER 31, 2018, 2017 AND 2016
(Amounts in thousands of U.S. Dollars (“$”) and Renminbi (“RMB”),
except for number of shares and per share data)

2.

Summary of significant accounting policies (continued)

Foreign currency translation and transactions (continued)

Foreign currency translation

For subsidiaries whose functional currencies are not the U.S. dollar, the Company uses the average exchange rate for the year and
the  exchange  rate  at  the  balance  sheet  date,  to  translate  the  operating  results  and  financial  position  to  U.S.  dollar,  the  reporting
currency,  respectively.  Translation  differences  are  recorded  in  accumulated  other  comprehensive  income/(loss),  a  component  of
shareholders’  equity  (deficit).  Transactions  denominated  in  currencies  other  than  the  functional  currency  are  translated  into  the
functional  currency  at  the  exchange  rates  prevailing  on  the  transaction  dates.  Foreign  currency  denominated  financial  assets  and
liabilities  are  remeasured  at  the  exchange  rates  prevailing  at  the  balance  sheet  date.  Exchange  gains  and  losses  are  included  in  the
consolidated statements of comprehensive loss.

Cash

Cash consist of cash on hand and bank deposits. As of December 31, 2017 and 2018, the Company had no cash equivalents.

Short-term investments

All liquid investments with an original maturity greater than three months but less than one year are considered to be short-term
investments.  As  of  December  31,  2017,  the  short-term  investments  are  one-year  time  deposits  amounting  to  $3,074  (RMB20,000)
placed with China Merchants Bank.

Advances to suppliers

Advances  to  suppliers  consist  of  cash  to  contractors  and  vendors  for  services  and  materials  that  have  not  been  provided  or
received.  Advances  to  suppliers  are  reviewed  periodically  to  determine  whether  their  carrying  values  have  become  impaired.  The
Company considers the assets to be impaired if it is doubtful that the services and materials will be or can be provided by the suppliers.
As of December 31, 2017 and 2018, there were no allowances provided.

Leases

Leases are classified at the inception date as either a capital lease or an operating lease. The Company assesses a lease to be a
capital lease if any of the following conditions exist: (a) ownership is transferred to the lessee by the end of the lease term, (b) there is a
bargain purchase option, (c) the lease term is at least 75% of the property’s estimated remaining economic life or (d) the present value
of the minimum lease payments at the beginning of the lease term is 90% or more of the fair value of the leased property to the lessor
at the inception date. A capital lease is accounted for as if there was an acquisition of an asset and an incurrence of an obligation at the
inception of the lease. The Company had no capital leases for the years presented.

All  other  leases  are  accounted  for  as  operating  leases  wherein  rental  payments  are  expensed  on  a  straight-line  basis  over  the
periods of their respective lease terms. The Company leases office space under operating lease agreements. The lease term begins on
the date of initial possession of the lease property for purposes of recognizing lease expense on straight-line basis over the term of the
lease.

F-11

Table of Contents

BEYONDSPRING INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
FOR THE YEARS ENDED DECEMBER 31, 2018, 2017 AND 2016
(Amounts in thousands of U.S. Dollars (“$”) and Renminbi (“RMB”),
except for number of shares and per share data)

2.

Summary of significant accounting policies (continued)

Government grants

Government  grants  relating  to  assets  are  recognized  in  the  consolidated  balance  sheets  upon  receipt  and  amortized  as  other
income over the weighted average useful life of the related assets. Government grants relating to income that involves no conditions or
continuing performance obligations of the Company are recognized as other income upon receipt.

Government grants for Dalian Wanchun Pharmaceutical Co., Ltd. (“Wanchun Pharma”) amounting to $316 (RMB2,000) were
received in December 2014. The government grant was transferred to Wanchunbulin since Wanchun Pharma was liquidated in August
2015. The Company previously included such government grant under current liabilities as the amendment procedures for changing the
beneficiary to Wanchunbulin was still under review of the local government. In January 2018, the Company obtained approval from
local government and became eligible for the government grant and recorded the government grant as other income in the consolidated
statements of comprehensive loss during the year of 2018.

The  Company  received  government  grants  of  $914  which  was  recorded  as  other  income  in  the  consolidated  statements  of

comprehensive loss for the year ended December 31, 2017.

Property and equipment

Property and equipment are stated at cost, less accumulated depreciation and amortization. Depreciation is computed using the

straight-line method over the estimated useful lives of the respective assets as follows:

Category

Office equipment
Laboratory equipment
Motor vehicles
Leasehold improvements

Estimated useful life

5 years
2-5 years
10 years
Lower of lease term or
economic life

Repair and maintenance costs are charged to expense as incurred, whereas the cost of renewals and betterment that extends the
useful  lives  of  plant  and  equipment  are  capitalized  as  additions  to  the  related  assets.  Retirements,  sales  and  disposals  of  assets  are
recorded by removing the cost and accumulated depreciation from the assets and accumulated depreciation accounts with any resulting
gain or loss reflected in the consolidated statements of comprehensive loss.

Impairment of long-lived assets

Long-lived  assets  are  reviewed  for  impairment  in  accordance  with  authoritative  guidance  for  impairment  or  disposal  of  long-
lived assets. Long-lived assets are reviewed for events or changes in circumstances, which indicate that their carrying value may not be
recoverable. Long-lived assets are reported at the lower of carrying amount or fair value less cost to sell. For the years ended December
31, 2018, 2017 and 2016, the Company did not record any impairment losses on its long-lived assets.

F-12

 
 
Table of Contents

BEYONDSPRING INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
FOR THE YEARS ENDED DECEMBER 31, 2018, 2017 AND 2016
(Amounts in thousands of U.S. Dollars (“$”) and Renminbi (“RMB”),
except for number of shares and per share data)

2.

Summary of significant accounting policies (continued)

Fair value measurements

Financial  instruments  of  the  Company  primarily  include  cash,  short-term  investments,  amounts  due  from  related  parties  and
accounts payable. As of December 31, 2017 and 2018, the carrying values of these financial instruments approximated their fair value
due to their short term nature.

The  Company  applies  ASC  820,  Fair  Value  Measurements  and  Disclosures  (“ASC  820”),  in  measuring  fair  value.  ASC  820
defines fair value, establishes a framework for measuring fair value and requires disclosures to be provided on fair value measurement.

ASC 820 establishes a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value as follows:

•

•

•

Level 1—Observable inputs that reflect quoted prices (unadjusted) for identical assets or liabilities in active markets.

Level 2 —Other inputs that are directly or indirectly observable in the marketplace.

Level 3—Unobservable inputs which are supported by little or no market activity.

ASC 820 describes three main approaches to measuring the fair value of assets and liabilities: (1) market approach; (2) income
approach and (3) cost approach. The market approach uses prices and other relevant information generated from market transactions
involving identical or comparable assets or liabilities. The income approach uses valuation techniques to convert future amounts to a
single  present  value  amount.  The  measurement  is  based  on  the  value  indicated  by  current  market  expectations  about  those  future
amounts. The cost approach is based on the amount that would currently be required to replace an asset.

Segment information

The  Company’s  chief  operating  decision  maker,  the  Chief  Executive  Officer,  reviews  the  consolidated  results  when  making
decisions about allocating resources and assessing performance of the Company as a whole and hence in accordance with ASC 280,
Segment Reporting, the Company has only one reportable segment. The Company does not distinguish between markets or segments
for the purpose of internal reporting.

The Company had no revenue for all years presented. The following table summarizes property and equipment of the Group by

geographical location:

PRC
U.S.
Australia

Total

Comprehensive income (loss)

December 31,
2017   

2018 

90     
30     
3     

123     

73 
208 
1 

282 

Comprehensive loss is defined as the changes in equity of the Company during a period from transactions and other events and
circumstances  excluding  transactions  resulting  from  investments  by  owners  and  distributions  to  owners.  For  each  of  the  periods
presented, the Company’s comprehensive loss includes net loss and foreign currency translation adjustments.

F-13

 
 
 
 
 
 
   
     
 
   
   
   
 
   
      
  
   
Table of Contents

BEYONDSPRING INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
FOR THE YEARS ENDED DECEMBER 31, 2018, 2017 AND 2016
(Amounts in thousands of U.S. Dollars (“$”) and Renminbi (“RMB”),
except for number of shares and per share data)

2.

Summary of significant accounting policies (continued)

Income taxes

The Company uses the liability method of accounting for income taxes. Under this method, deferred tax assets and liabilities are
determined based on the differences between the financial reporting and the tax bases of assets and liabilities and are measured using
enacted tax rates that will be in effect when the differences are expected to reverse. A valuation allowance is provided when it is more
likely than not that some portion or all of a deferred tax asset will not be realized.

In  accordance  with  Accounting  Standards  Update  (“ASU”)  No.  2015-17,  Income  Taxes  (Topic  740),  all  deferred  income  tax

assets and liabilities are classified as non-current on the consolidated balance sheets.

The  Company  evaluates  its  uncertain  tax  positions  using  the  provisions  of  ASC  740,  Income  Taxes,  which  prescribes  a
recognition  threshold  that  a  tax  position  is  required  to  meet  before  being  recognized  in  the  financial  statements.  The  Company
recognizes in the financial statements the benefit of a tax position which is “more likely than not” to be sustained under examination
based solely on the technical merits of the position assuming a review by tax authorities having all relevant information. Tax positions
that meet the recognition threshold are measured using a cumulative probability approach, at the largest amount of tax benefit that has a
greater than fifty percent likelihood of being realized upon settlement. It is the Company’s policy to recognize interest and penalties
related to unrecognized tax benefits, if any, as a component of income tax expense.

Share-based compensation

Awards granted to employees

The  Company  applies  ASC  718,  Compensation—Stock Compensation (“ASC  718”),  to  account  for  its  employee  share-based
payments.  In  accordance  with  ASC  718,  the  Company  determines  whether  an  award  should  be  classified  and  accounted  for  as  a
liability award or equity award. All the Company’s grants of share-based awards to employees were classified as equity awards and are
recognized in the financial statements based on their grant date fair values. Specifically, the grant date fair value of share options is
calculated using an option pricing model, and the grant date fair value of restricted shares is based on the quoted market price of the
Company’s ordinary shares. The Company has elected to recognize compensation expense on a straight-line basis  over  the  requisite
service  period  for  each  separately  vesting  portion  of  the  award  as  if  the  award  was,  in-substance,  multiple  awards  for  all  employee
equity  awards  granted  with  graded  vesting  based  on  service  condition.  The  Company  uses  the  accelerated  method  for  all  awards
granted with graded vesting based on performance conditions. The Company elected to account for forfeitures in the period they occur
as a reduction to expense.

Awards granted to non-employees

The Company has accounted for equity instruments issued to non-employees in accordance with the provisions of ASC 718 and
ASC 505, Equity. All transactions in which goods or services are received in exchange for equity instruments are accounted for based
on the fair value of the consideration received or the fair value of the equity instrument issued, whichever is more reliably measurable.
The  measurement  date  of  the  fair  value  of  the  equity  instrument  issued  is  the  date  on  which  the  counterparty’s  performance  is
completed as there is no associated performance commitment. The expense is recognized in the same manner as if the Company had
paid cash for the services provided by the non-employees in accordance with ASC 505-50, Equity-based Payments to Non-Employees.
The Company estimated the fair value of share options granted to non-employees using the same method as employees.

F-14

Table of Contents

BEYONDSPRING INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
FOR THE YEARS ENDED DECEMBER 31, 2018, 2017 AND 2016
(Amounts in thousands of U.S. Dollars (“$”) and Renminbi (“RMB”),
except for number of shares and per share data)

2.

Summary of significant accounting policies (continued)

Share-based compensation (continued)

Modification of awards

A change in the terms or conditions of the awards is accounted for as a modification of the award. Incremental compensation
cost is measured as the excess, if any, of the fair value of the modified award over the fair value of the original award immediately
before its terms are modified, measured based on the fair value of the awards and other pertinent factors at the modification date. For
vested awards, the Company recognizes incremental compensation cost in the period the modification occurs. For unvested awards, the
Company  recognizes  over  the  remaining  requisite  service  period,  the  sum  of  the  incremental  compensation  cost  and  the  remaining
unrecognized compensation cost for the original award on the modification date. If the fair value of the modified award is lower than
the fair value of the original award immediately before modification, the minimum compensation cost the Company recognizes is the
cost of the original award. There were no modifications to the awards during the year ended December 31, 2018 and 2017.

Loss per share

Loss  per  share  is  calculated  in  accordance  with  ASC  260,  Earnings  per  Share.  Basic  loss  per  ordinary  share  is  computed  by
dividing  net  loss  attributable  to  ordinary  shareholders  by  the  weighted  average  number  of  ordinary  shares  outstanding  during  the
period.

Diluted loss per share is calculated by dividing net loss attributable to ordinary shareholders as adjusted for the effect of dilutive
ordinary  equivalent  shares,  if  any,  by  the  weighted  average  number  of  ordinary  and  dilutive  ordinary  equivalent  shares  outstanding
during the period. Ordinary equivalent shares consist of the ordinary shares issuable upon the conversion of the share options and the
vesting of restricted shares, using the treasury stock method. Ordinary share equivalents are excluded from the computation of diluted
loss  per  share  if  their  effects  would  be  anti-dilutive.  Basic  and  diluted  loss  per  ordinary  share  is  presented  in  the  Company’s
consolidated statements of comprehensive loss.

Concentration of credit risk

Concentration of credit risk

Financial  instruments  that  potentially  expose  the  Company  to  concentrations  of  credit  risk  consist  primarily  of  cash.  The
Company’s  cash  is  held  at  financial  institutions  that  management  believes  to  be  of  high  credit  quality.  The  Company  has  not
experienced any losses on cash to date. The Company does not believe that it is subject to unusual credit risk beyond the normal credit
risk associated with commercial banking relationships.

Business, customer, political, social and economic risks

The Company participates in a dynamic high technology industry and believes that changes in any of the following areas could
have a material adverse effect on the Company’s future financial position, results of operations or cash flows: changes in the overall
demand  for  services  and  products;  competitive  pressures  due  to  new  entrants;  advances  and  new  trends  in  new  technologies  and
industry  standards;  changes  in  clinical  research  organizations;  changes  in  certain  strategic  relationships  or  customer  relationships;
regulatory  considerations;  copyright  regulations;  and  risks  associated  with  the  Company’s  ability  to  attract  employees  necessary  to
support  its  growth.  The  Company’s  operations  could  be  also  adversely  affected  by  significant  political,  economic  and  social
uncertainties in the PRC.

F-15

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BEYONDSPRING INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
FOR THE YEARS ENDED DECEMBER 31, 2018, 2017 AND 2016
(Amounts in thousands of U.S. Dollars (“$”) and Renminbi (“RMB”),
except for number of shares and per share data)

2.

Summary of significant accounting policies (continued)

Concentration of credit risk (continued)

Business risk

The  Company  relies  on  third  parties  to  support  clinical  development  activities,  trials  and  manufacturing  process  of  product
candidates. If these third parties do not successfully carry out their contractual duties or meet expected deadlines, the Company may
not  be  able  to  obtain  regulatory  approval  for  the  Company´s  drug  candidates  and  the  Company’s  business  could  be  substantially
impacted. The Company’s main activities are located in U.S. and PRC.

Currency convertibility risk

The Company incurs portions of expenses in currencies other than the U.S. dollars, in particular, the RMB. On January 1, 1994,
the PRC government abolished the dual rate system and introduced a single rate of exchange as quoted daily by the People’s Bank of
China  (the  “PBOC”).  However,  the  unification  of  the  exchange  rates  does  not  imply  that  the  RMB  may  be  readily  convertible  into
United States dollars or other foreign currencies. All foreign exchange transactions continue to take place either through the PBOC or
other banks authorized to buy and sell foreign currencies at the exchange rates quoted by  the  PBOC.  Approvals  of  foreign  currency
payments by the PBOC or other institutions require submitting a payment application form together with suppliers’ invoices, shipping
documents and signed contracts.

Additionally, the value of the RMB is subject to changes in central government policies and international economic and political

developments affecting supply and demand in the PRC foreign exchange trading system market.

Foreign currency exchange rate risk

From July 21, 2005, the RMB is permitted to fluctuate within a narrow and managed band against a basket of certain foreign
currencies.  The  depreciation  of  RMB  against  the  U.S.  dollar  was  approximately  5.7%  for  the  year  ended  December  31,  2018,  the
appreciation of RMB against the U.S. dollar was approximately 6.5% for the year ended December 31, 2017 and the depreciation of
RMB  against  the  U.S.  dollar  was  approximately  6.3%  for  the  year  ended  December  31,  2016.  It  is  difficult  to  predict  how  market
forces or PRC or U.S. government policy may impact the exchange rate between the RMB and the U.S. dollar in the future.

To the extent that the Company needs to convert U.S. dollar into RMB for capital expenditures and working capital and other
business purposes, appreciation of RMB against U.S. dollar would have an adverse effect on the RMB amount the Company would
receive from the conversion. Conversely, if the Company decides to convert RMB into U.S. dollar for the purpose of making payments
for dividends on ordinary shares, strategic acquisitions or investments or other business purposes, appreciation of U.S. dollar against
RMB would have a negative effect on the U.S. dollar amount available to the Company. In addition, a significant depreciation of the
RMB against the U.S. dollar may significantly reduce the U.S. dollar equivalent of the Company’s earnings or losses.

F-16

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BEYONDSPRING INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
FOR THE YEARS ENDED DECEMBER 31, 2018, 2017 AND 2016
(Amounts in thousands of U.S. Dollars (“$”) and Renminbi (“RMB”),
except for number of shares and per share data)

2.

Summary of significant accounting policies (continued)

Recent accounting pronouncements

In February 2016, the FASB issued ASU No. 2016-2, Leases (Topic 842) (“ASU 2016-02”), which requires lessees to recognize
assets and liabilities related to lease arrangements longer than 12 months on the balance sheet. This standard also requires additional
disclosures by lessees and contains targeted changes to accounting by lessors. The updated guidance is effective for interim and annual
periods  beginning  after  December  15,  2018,  and  early  adoption  is  permitted.  The  Company  will  adopt  the  new  standard  effective
January 1, 2019 using the modified retrospective method and will not restate comparative periods. The Company will elect the package
of practical expedients permitted under the transition guidance within the new standard, which permits the Company not to reassess
under  the  new  standard  its  prior  conclusions  about  lease  identification,  lease  classification  and  initial  direct  costs.  The  Company
currently  believes  the  most  significant  change  will  be  related  to  the  recognition  of  right-of-use  assets  and  lease  liabilities  on  the
Company’s balance sheet for certain in-scope operating leases. The Company does not expect any material impact on net assets and the
consolidated statement of comprehensive income as a result of adopting the new standard.

In June 2018, the FASB issued ASU 2018-7, Compensation—Stock Compensation (Topic 718): Improvements to Nonemployee
Share-Based  Payment  Accounting  (“ASU  2018-7”).  This  update  expands  the  scope  of  Topic  718  to  include  share-based  payment
transactions for acquiring goods and services from nonemployees. This update also specifies that Topic 718 applies to all share-based
payment transactions in which a grantor acquires goods or services to be used or consumed in a grantor’s own operations by issuing
share-based payment awards. This update is effective in fiscal years, including interim periods, beginning after December 15, 2018.
Early adoption is permitted, but no earlier than an entity’s adoption date of Topic 606. The Company is currently evaluating the impact
on its financial statements of adopting this guidance.

In August 2018, the FASB issued ASU 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework- Changes to the
Disclosure Requirements for Fair Value Measurement (“ASU 2018-13”). The update eliminates, modifies, and adds certain disclosure
requirements for fair value measurements. This update is effective in fiscal years, including interim periods, beginning after December
15, 2019, and early adoption is permitted. The added disclosure requirements and the modified disclosure on the narrative description
of  measurement  uncertainty  should  be  applied  prospectively  for  only  the  most  recent  interim  or  annual  period  presented.  All  other
changes to disclosure requirements in this update should be applied retrospectively to all periods presented upon their effective date.
The Company is currently evaluating the impact on its financial statements of adopting this guidance.

3.

Property and equipment, net

Property and equipment consisted of the following:

Office equipment
Laboratory equipment
Motor vehicles
Leasehold improvements

Less: accumulated depreciation

Property and equipment, net

December 31,
2017   

2018 

39     
104     
23     
13     

179     
(56)    

143 
111 
23 
109 

386 
(104)

123     

282 

Depreciation expenses for the years ended December 31, 2016, 2017 and 2018 were $18, $32 and $48, respectively.

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BEYONDSPRING INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
FOR THE YEARS ENDED DECEMBER 31, 2018, 2017 AND 2016
(Amounts in thousands of U.S. Dollars (“$”) and Renminbi (“RMB”),
except for number of shares and per share data)

4.

Related party transactions

In  addition  to  transactions  disclosed  elsewhere  in  the  consolidated  financial  statements,  the  related  party  transactions  for  the

years presented were as follows:

Dr. Lan Huang

Dr. Lan Huang provided consulting services to BeyondSpring US at a fee of $75, nil and nil for the years ended December 31,

2016, 2017 and 2018 respectively.

Wanchun Biotech as a noncontrolling shareholder

On November 28, 2016 and January 13, 2017, Wanchunbulin entered into purchase contracts with Wanchun Biotech to purchase
drugs from Wanchun Biotech for clinical research purpose. During the years ended December 31, 2016, 2017, and 2018,  Wanchun
Biotech purchased drugs amounting to $110 (RMB754), $547 (RMB3,770) and nil from third party vendors and sold to Wanchunbulin
without any margin, respectively.

Dr. Ramon Mohanlal, the Chief Medical Officer

In  December  2018,  the  Company  provided  an  interest-free  loan  amounting  to  $481  to  Dr.  Ramon  Mohanlal  which  was  fully

repaid in April 2019.

5.

Income taxes

Cayman Islands

The  Company  is  incorporated  in  the  Cayman  Islands,  and  is  not  subject  to  income  tax  under  the  current  laws  of  the  Cayman

Islands.

British Virgin Islands

BeyondSpring Ltd. and BVI Biotech are incorporated in the British Virgin Islands, and are not subject to income tax under the

current laws of the British Virgin Islands.

U.S.

BeyondSpring US is incorporated in Delaware, the U.S. It is subject to statutory U.S. Federal corporate income tax at a rate of
21% for the year ended December 31, 2018, and 35% for the years ended December 31, 2017 and 2016. BeyondSpring US had no
taxable income for all years presented and therefore, no provisions for income taxes were recorded.

In  December  2017,  the  Tax  Cuts  and  Jobs  Act  (the  “2017  Tax  Act”)  was  enacted.  The  2017  Tax  Act  includes  a  number  of
changes to existing U.S. tax laws that impact the Company, most notably a reduction of the U.S. corporate income tax rate from 35% to
21% for tax years beginning after December 31, 2017.

Australia

BeyondSpring Australia incorporated in Australia is subject to corporate income tax at a rate of 30%. BeyondSpring Australia

has no taxable income for all years presented and therefore, no provision for income taxes is required.

Hong Kong

BeyondSpring HK is in incorporated in Hong Kong. Companies registered in Hong Kong are subject to Hong Kong Profits Tax
on the taxable income as reported in their respective statutory financial statements adjusted in accordance with relevant Hong Kong tax
laws. The applicable tax rate is 16.5% in Hong Kong. BeyondSpring HK has no taxable income for all years presented and therefore,
no provision for income taxes is required.

PRC

Wanchun Shenzhen, Wanchunbulin and Beijing Wanchun are subject to the statutory tax rate of 25% in accordance with the PRC

Enterprise Income Tax Law (“EIT Law”), which was effective since January 1, 2008.

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BEYONDSPRING INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
FOR THE YEARS ENDED DECEMBER 31, 2018, 2017 AND 2016
(Amounts in thousands of U.S. Dollars (“$”) and Renminbi (“RMB”),
except for number of shares and per share data)

5.

Income taxes (continued)

The components of losses before income taxes are as follows:

Cayman Islands
U.S.
PRC
BVI
Australia

Year Ended December 31,
2016   

2017   

894     
9,840     
1,338     
-     
473     

2,045     
80,008     
11,341     
2,498     
496     

2018 

3,305 
23,347 
6,742 
22,979 
1,101 

Net loss before income taxes

12,545     

96,388     

57,474 

There  were  no  provisions  for  current  and  deferred  income  taxes  because  the  Company  and  all  of  its  subsidiaries  were  loss

making and were at cumulative losses for the years presented.

A  reconciliation  of  the  differences  between  income  tax  benefits  and  the  amounts  computed  by  applying  the  U.S.  Federal

corporate income tax rate of 35% for the years of 2016 and 2017, and 21% for the year of 2018 are as follows:

Year Ended December 31,
2016   

2017   

2018 

Net loss before income taxes

12,545     

96,388     

57,474 

Expected income tax benefit
Tax rate differential
Non-deductible expenses
Deemed disposal gain*
Impact of U.S. statutory tax rate change
Non-taxable income
Others
Change in valuation allowance

4,391     
581     
(152)    
-     
-     
-     
(63)    
(4,757)    

33,736     
5,796     
(25,299)    
(10,506)    
(2,943)    
227     
74     
(1,085)    

12,069 
(2,121)
(880)
- 
- 
75 
(143)
(9,000)

Total income tax benefit

-     

-     

- 

*Arose from intragroup transfer of certain intellectual property rights.

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BEYONDSPRING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
FOR THE YEARS ENDED DECEMBER 31, 2018, 2017 AND 2016
(Amounts in thousands of U.S. Dollars (“$”) and Renminbi (“RMB”),
except for number of shares and per share data)

5.

Income taxes (continued)

Net deferred tax assets as of December 31, 2017 and 2018 consisted of the following:

Deferred tax assets:
Net operating loss carryforward
Intangible asset
Deferral of tax deduction of R&D expense
Share based compensation
Less: valuation allowance

Net deferred tax assets

December 31,
2017   

2018 

7,244     
329     
1,239     
1,427     
(10,239)    

13,403 
191 
2,891 
2,754 
(19,239)

-     

- 

Valuation  allowances  have  been  provided  on  the  deferred  tax  assets  where,  based  on  all  available  evidence,  it  was  considered
more likely than not that some portion or all of the recorded deferred tax assets will not be realized in future periods. The Company
recorded a full valuation allowance against deferred tax assets.

As  of  December  31,  2018,  the  Company  had  U.S.  and  PRC  tax  loss  carryforwards  of  approximately  $38,938  and  $688,
respectively. For losses occurred in the U.S. in years after December 31, 2017, the Tax Cuts and Jobs Act included a limitation of the
deduction  for  net  operating  losses  to  80%  of  current  year  taxable  income  and  a  provision  where  such  losses  can  be  carried forward
indefinitely. Loss carryforwards in 2017 and prior years are not limited in their current usage, and can be carried forward for 20 years
after the year they were generated. Whereas the PRC unused tax losses can be carryforward for 5 years and $688 will fully expire by
2023 if not utilized.

As of December 31, 2017 and 2018, the Company determined that it had no material unrecognized tax benefit and accordingly
no  material  related  interest  and  penalty.  Management  does  not  expect  that  the  amount  of  unrecognized  tax  benefit  will  increase
significantly within the next 12 months.

The  Company’s  subsidiaries  in  the  U.S.,  Australian  and  PRC  filed  income  tax  returns  in  the  U.S.,  Australia  and  PRC,
respectively. An entity in the U.S. is subject to U.S. federal and state income tax examination by tax authorities for tax years beginning
in 2014. An entity in Australia’s tax returns are open to examination by Australian Taxation Office for tax years beginning in 2016. For
entities in the PRC the tax returns for tax years after 2015 are open to examination by the PRC taxing authorities.

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BEYONDSPRING INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
FOR THE YEARS ENDED DECEMBER 31, 2018, 2017 AND 2016
(Amounts in thousands of U.S. Dollars (“$”) and Renminbi (“RMB”),
except for number of shares and per share data)

6.

Net loss per share

Basic and diluted net loss per share attributable to ordinary shareholders was calculated as follows:

Year Ended December 31,
2016   

2017   

2018 

Numerator:

Net loss attributable to BeyondSpring Inc.—basic and diluted

  $

(12,010)   $

(91,763)   $

(54,869)

Denominator:

Weighted average number of ordinary shares outstanding—basic

and diluted

    16,086,419      20,866,084      22,665,265 

Net loss per share—basic and diluted

  $

(0.75)   $

(4.40)   $

(2.42)

The  effects  of  all  share  options  and  unvested  restricted  shares  were  excluded  from  the  calculation  of  diluted  loss  per  share  as

their effect would have been anti-dilutive during the years ended December 31, 2016, 2017 and 2018.

7.

Share based compensation

General

On  February  24,  2017,  in  connection  with  the  IPO,  the  Company’s  board  of  directors  and  shareholders  approved  an  equity
compensation  plan,  the  2017  Omnibus  Incentive  Plan  (the  “2017  Plan”),  which  became  effective  on  March  9,  2017,  to  provide  an
additional incentive to selected officers, employees, non-employee directors, independent contractors and consultants of the Company
(the  “Participants”)  under  certain  conditions.  Under  the  2017  Omnibus  Incentive  Plan,  the  maximum  number  of  the  Company’s
ordinary shares reserved for issuance is 2,137,037 shares.

During 2017, the Company granted a total of 1,141,477 restricted shares to employee and non-employee under the 2017 Plan,
among which 318,700 restricted shares was forfeited during 2017. During 2018, the Company granted a total of 9,815 restricted shares
to  employee  and  non-employee  under  the  2017  Plan.  The  restricted  shares  were  subject  to  various  service  condition  schedule  and
certain performance conditions with respect to the research and development progress.

During 2017, the Company granted up to 600,000 common shares to the Chief Medical Officer of the Company under the 2017
Plan. The common shares were subject to certain performance conditions with respect to the research and development progress, and
none of the common shares were vested as of December 31, 2018.

During  2017,  the  Company  granted  a  total  of  343,000  nonqualified  share  options,  with  an  exercise  price  of  US$29.00  per
ordinary  share.  During  2018,  the  Company  granted  a  total  of  130,000  nonqualified  share  options,  with  a  weighted  average  exercise
price of US$25.08 per ordinary share. The share options have a contractual term of 10 years based on certain service or performance
conditions.

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Table of Contents

BEYONDSPRING INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
FOR THE YEARS ENDED DECEMBER 31, 2018, 2017 AND 2016
(Amounts in thousands of U.S. Dollars (“$”) and Renminbi (“RMB”),
except for number of shares and per share data)

7.

Share based compensation (continued)

Restricted shares

The following table summarizes the Company’s employee restricted share activities under the 2017 Plan:

Outstanding at December 31, 2016

Granted
Vested
Forfeited

Outstanding at December 31, 2017

Granted
Vested
Forfeited

Outstanding at December 31, 2018

Expected to vest at December 31, 2018

Numbers
of shares     

Weighted average
grant date fair value  
$  

-     
    1,141,477     
(434,615)    
(318,700)    
388,162     

9,815     
(147,727)    
(95,000)    
155,250     

125,250     

- 
20.76 
22.19 
19.80 
19.93 

19.50 
19.88 
19.96 
19.94 

19.97 

As of December 31, 2018, the unrecognized compensation cost related to unvested restricted shares expected to vest was $1,635.

This unrecognized compensation will be recognized over an estimated weighted-average amortization period of 3.4 years.

Share options

The following table summarizes the Company’s share option activities under the 2017 Plan:

Weighted
average
exercise
price

$   

Weighted
average grant
date fair value    
$    

Weighted
average
remaining
contractual
term

Average
intrinsic
value

Years   

$ 

Numbers
of options    

Outstanding at December 31, 2016    

Granted

Outstanding at December 31, 2017    

Granted
Forfeited

Outstanding at December 31, 2018    

Exercisable as of December 31,

-     
343,000     
343,000     

130,000     
7,100     
465,900     

-     
29.00     
29.00     

25.08     
29.00     
27.91     

2018

335,900     

29.00     

Vested and expected to vest at

December 31, 2018

441,400     

28.00     

19.91     

14.49     
19.91     

9.98     

27 

9.12     

8.98     

9.11     

- 

- 

- 

As of December 31, 2018, the unrecognized compensation cost related to 441,400 unvested share options expected to vest was

$1,066. This unrecognized compensation will be recognized over an estimated weighted-average amortization period of 1.65 years.

  
  
 
   
   
 
   
     
  
   
   
   
   
 
   
      
  
   
   
   
   
   
 
 
   
   
 
 
   
   
 
   
     
      
      
     
  
      
     
  
   
     
  
      
 
   
      
      
      
      
  
   
      
  
   
      
  
      
   
      
   
      
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Table of Contents

BEYONDSPRING INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
FOR THE YEARS ENDED DECEMBER 31, 2018, 2017 AND 2016
(Amounts in thousands of U.S. Dollars (“$”) and Renminbi (“RMB”),
except for number of shares and per share data)

7.

Share based compensation (continued)

Fair value of options

The  Black-Scholes-Merton  formula  was  applied  in  determining  the  estimated  fair  value  of  the  options  granted.  The  model
requires the input of highly subjective assumptions including the estimated expected share price volatility and the expected terms of
awards.  These  estimates  involve  inherent  risk  and  uncertainties  and  the  application  of  management’s  judgment.  The  Company
historically has limited available historical data to demonstrate consistent early exercise behavior. To determine the expected term of
the  awards,  the  Company  applied  a  simplified  method  considering  factors  including  the  timing  of  achieving  various  performance
conditions  and  their  respective  probabilities  as  well  as  the  contractual  life  of  the  options.  The  risk-free  interest  rates  for  the  periods
within the expected term of the option are based on the U.S. Treasury rate. The Company historically has been a private company and
lack company-specific historical and implied volatility information, therefore, the Company estimates the expected volatility based on
the  historical  volatility  of  a  group  of  similar  companies,  which  are  publicly-traded.  The  Company’s  management  was  ultimately
responsible for the determination of the estimated fair value of its share options.

The following table presents the assumptions used to estimate the fair values of the share options granted for the years ended

December 31, 2017 and 2018:

Fair value of ordinary share
Risk-free interest rate
Expected term
Expected volatility
Expected dividend yield
Contractual life

December 31,
2017   

2018 

34.00   
24.87~26.09 
2.28%   2.73%~2.89% 
5.9~6.2 years 
60%
0%
10 years 

5.5 years   
60%    
0%    
10 years   

The following table summarizes total share-based compensation expense recognized for the year ended December 31, 2017 and

2018:

Research and development
General and administrative

Total

F-23

December 31,
2017   

17,753     
4,930     

2018 

6,821 
(261)

22,683     

6,560 

 
 
 
 
 
 
   
     
 
   
   
 
   
   
 
 
 
 
 
 
 
   
     
 
   
   
 
   
      
  
   
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BEYONDSPRING INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
FOR THE YEARS ENDED DECEMBER 31, 2018, 2017 AND 2016
(Amounts in thousands of U.S. Dollars (“$”) and Renminbi (“RMB”),
except for number of shares and per share data)

8.

Employee defined contribution plan

Full time employees of the Company in the PRC participate in a government mandated defined contribution plan, pursuant to
which certain pension benefits, medical care, employee housing fund and other welfare benefits are provided to employees. Chinese
labor  regulations  require  that  the  Company’s  PRC  subsidiaries  make  contributions  to  the  government  for  these  benefits  based  on
certain percentages of the employees’ salaries. The Company has no legal obligation for the benefits beyond the contributions made.
The total amounts for such employee benefits, which were expensed as incurred, were $22, $38 and $54 for the years ended December
31, 2016, 2017 and 2018, respectively.

9.

Restricted net assets

The Company’s ability to pay dividends may depend on the Company receiving distributions of funds from its PRC subsidiaries.
Relevant PRC statutory laws and regulations permit payments of dividends by the Company’s PRC subsidiaries only out of its retained
earnings, if any, as determined in accordance with PRC accounting standards and regulations. The results of operations reflected in the
consolidated  financial  statements  prepared  in  accordance  with  U.S.  GAAP  differ  from  those  reflected  in  the  statutory  financial
statements of the Company’s PRC subsidiaries.

In  accordance  with  the  PRC  Regulations  on  Enterprises  with  Foreign  Investment  and  their  articles  of  association,  a  foreign
invested enterprise established in the PRC is required to provide certain statutory reserves, namely general reserve fund, the enterprise
expansion fund and staff welfare and bonus fund which are appropriated from net profit as reported in the enterprise’s PRC statutory
accounts. A foreign invested enterprise is required to allocate at least 10% of its annual after-tax profit to the general reserve until such
reserve  has  reached  50%  of  its  respective  registered  capital  based  on  the  enterprise’s  PRC  statutory  accounts.  Appropriations  to  the
enterprise  expansion  fund  and  staff  welfare  and  bonus  fund  are  at  the  discretion  of  the  board  of  directors  for  all  foreign  invested
enterprises. The aforementioned reserves can only be used for specific purposes and are not distributable as cash dividends. Wanchun
Shenzhen was established as a foreign invested enterprise and therefore is subject to the above mandated restrictions on distributable
profits.

Additionally, in accordance with the Company Law of the PRC, a domestic enterprise is required to provide statutory common
reserve of at least 10% of its annual after-tax profit until such reserve has reached 50% of its respective registered capital based on the
enterprise’s PRC statutory accounts. A domestic enterprise is also required to provide discretionary surplus reserve, at the discretion of
the  board  of  directors,  from  the  profits  determined  in  accordance  with  the  enterprise’s  PRC  statutory  accounts.  The  aforementioned
reserves  can  only  be  used  for  specific  purposes  and  are  not  distributable  as  dividends.  Wanchunbulin  was  established  as  domestic
invested enterprises and therefore is subject to the above mandated restrictions on distributable profits.

Foreign exchange and other regulations in the PRC further restrict the Company’s PRC subsidiaries from transferring funds to
the  Company  in  the  form  of  loans,  advances  or  cash  dividends.  As  of  December  31,  2017  and  2018,  restricted  net  assets  of  the
Company’s PRC subsidiaries were $2,399 and $nil, respectively.

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BEYONDSPRING INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
FOR THE YEARS ENDED DECEMBER 31, 2018, 2017 AND 2016
(Amounts in thousands of U.S. Dollars (“$”) and Renminbi (“RMB”),
except for number of shares and per share data)

10. Commitments and contingencies

Operating lease commitments

The Company has several operating leases, primarily for offices. Payments under operating leases are expensed on a straight-line
basis over the periods of their respective leases, and the terms of the leases do not contain rent escalation, contingent rent, renewal, or
purchase options.

Rental expenses incurred under the operating leases for the years ended December 31, 2016, 2017 and 2018 amounted to $136,

$200 and $548 respectively.

The following table summarizes the future minimum lease payments under the operating lease as of December 31, 2018:

Year ending December 31, 2019
Year ending December 31, 2020
Year ending December 31, 2021
Year ending December 31, 2022
Year ending December 31, 2023

Total

Royalty payment

$ 

792 
798 
786 
789 
793 

3,958 

As part of the consideration to the seller for acquiring the worldwide patent of Plinabulin excluding the PRC and Hong Kong,
Wanchun  Biotech  was  required  to  pay  royalties  on  a  quarterly  basis  equal  to  20%  of  gross  proceeds  from  the  sales  of  the  product,
commencing on the first commercial sale of such product for ten years.

On  February  2,  2015,  the  Company,  Wanchun  Biotech  and  Fortis  Advisors  LLC,  in  its  capacity  as  an  agent  of  the  former
stakeholders  of  the  seller  of  the  patent  of  Plinabulin  transferred  to  Wanchun  Biotech,  entered  into  an  agreement  to  terminate  such
royalty payment arrangements. The termination agreement would be effective upon the consummation of the Company’s initial public
offering (“IPO”) in the United States. If the IPO was consummated within three years following the agreement date, the Company was
required  to  issue  and  allot  such  number  of  ordinary  shares  representing  10%  of  the  Company’s  fully-diluted  equity  capitalization
immediately prior to the IPO to a single corporate entity designated by the seller in lieu of the royalty payment. In connection with the
Company IPO on the NASDAQ Capital Market completed in March 2017, the Company issued 2,112,963 ordinary shares to Nereus
Trust, an entity designated by the seller, and the royalty payment arrangements were terminated. The cost of such patent acquired and
expensed  as  research  and  development  expense  was  $42,259,  which  is  determined  based  on  the  fair  value  of  such  issued  ordinary
shares of $20 per share.

11.

Subsequent events

On  January  21,  2019,  the  Company  entered  into  a  $2,986  (RMB20,000)  loan  arrangement  with  a  third  party,  with  an  annual
interest rate of 15%, and is guaranteed by the Founder, Mr. Linqing Jia. The original maturity date of the loan is April 20, 2019, and the
Company has received $1,493 (RMB10,000) by the date of these financial statements. The repayment period was extended to October
20, 2020 pursuant to a supplementary agreement for those amount received.

On March 28, 2019, the Company borrowed a three-year term loan of $1,493 (RMB10,000) from China Construction Bank, with
an annual interest rate of 5.7%, guaranteed by its shareholder, Shenzhen Sangel Capital Management Limited Company and Mulong
Liu. 

 
 
 
   
  
   
   
   
   
   
 
   
  
   
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BEYONDSPRING INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
FOR THE YEARS ENDED DECEMBER 31, 2018, 2017 AND 2016
(Amounts in thousands of U.S. Dollars (“$”) and Renminbi (“RMB”),
except for number of shares and per share data)

11.

Subsequent events (continued)

On April 26, 2019, the Company entered into a $1,000 loan agreement with Shenzhen Sangel Zhichuang Investment Co., Ltd.,
with an annual interest rate of 15%, and is guaranteed by the Founder, Mr. Linqing Jia. The Company has fully drawn down the loan of
$1,000 in April 2019.

F-26