Quarterlytics / Healthcare / Biotechnology / Sinovac Biotech, Ltd.

Sinovac Biotech, Ltd.

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FY2014 Annual Report · Sinovac Biotech, Ltd.
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Table of Contents 

(Mark One) 

UNITED STATES 
SECURITIES AND EXCHANGE COMMISSION 
WASHINGTON, DC 20549 

FORM 20-F 

(cid:134)  REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES 

EXCHANGE ACT OF 1934 

⌧  ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES 

EXCHANGE ACT OF 1934 
For the fiscal year ended December 31, 2014

OR

OR

(cid:134)  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES 

EXCHANGE ACT OF 1934 

OR

(cid:134)  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  

Commission file number: 001-32371 

For the transition period from                       to                         

SINOVAC BIOTECH LTD. 
(Exact name of Registrant as specified in its charter)

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

Antigua, West Indies
(Jurisdiction of incorporation or organization)

No. 39 Shangdi Xi Road,
Haidian District, Beijing 100085 
People’s Republic of China
(Address of principal executive offices)

Nan Wang
Chief Financial Officer 
No. 39 Shangdi Xi Road, 
Haidian District, Beijing 100085 
People’s Republic of China 
Tel: +86-10-8289-0088 
Fax: +86-10-6296-6910 
E-mail: ir@sinovac.com
(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 
Common Shares, par value $0.001 per share

Name of each exchange on which registered
The NASDAQ Stock Market LLC 
(The NASDAQ Global Select Market)

Securities registered or to be registered pursuant to Section 12(g) of the Act: 

None
(Title of Class)

  
  
  
  
  
  
  
  
  
  
  
  
  
 
  
  
  
  
  
  
 
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Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act: 

None
(Title of Class)

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. 

55,809,661 common shares as of December 31, 2014

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. 

(cid:134) 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. 

(cid:134) Yes   ⌧ No

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   (cid:134) No

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every 
Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or 
such shorter period that the registrant was required to submit and post such files). 

⌧ Yes   (cid:134) No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, or a non-accelerated filer. See definition 
of “accelerated filer and large accelerated filer” in Rule 12b-2 of the Exchange Act. (Check one): 

Large accelerated filer (cid:134) 

Accelerated filer ⌧

Non-accelerated filer (cid:134)

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

U.S. GAAP ⌧ 

International Financial Reporting Standards as issued 
by the International Accounting Standards Board (cid:134)  

Other (cid:134)

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. 

(cid:134) Item 17   (cid:134) 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). 

(cid:134) Yes   ⌧ No

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

Indicate by check mark 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. 

(cid:134) Yes   (cid:134) No

  
  
  
  
  
  
  
  
  
  
  
  
 
 
  
  
 
  
  
 
  
Table of Contents 

INTRODUCTION 

TABLE OF CONTENTS 

PART I 

ITEM 1. 

ITEM 2. 

IDENTITY OF DIRECTORS, SENIOR MANAGEMENT AND ADVISERS

OFFER STATISTICS AND EXPECTED TIMETABLE

ITEM 3. 

KEY INFORMATION 

ITEM 4. 

INFORMATION ON THE COMPANY

ITEM 4A.  UNRESOLVED STAFF COMMENTS

ITEM 5. 

ITEM 6. 

OPERATING AND FINANCIAL REVIEW AND PROSPECTS

DIRECTORS, SENIOR MANAGEMENT AND EMPLOYEES

ITEM 7.  MAJOR SHAREHOLDERS AND RELATED PARTY TRANSACTIONS

ITEM 8. 

FINANCIAL INFORMATION 

ITEM 9. 

THE OFFER AND LISTING 

ITEM 10.  ADDITIONAL INFORMATION 

ITEM 11.  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK 

ITEM 12.  DESCRIPTION OF SECURITIES OTHER THAN EQUITY SECURITIES

PART II 

ITEM 13.  DEFAULTS, DIVIDEND ARREARAGES AND DELINQUENCIES

ITEM 14.  MATERIAL MODIFICATIONS TO THE RIGHTS OF SECURITY HOLDERS AND USE OF PROCEEDS

ITEM 15.  CONTROLS AND PROCEDURES 

ITEM 16A.  AUDIT COMMITTEE FINANCIAL EXPERT

ITEM 16B.  CODE OF ETHICS 

ITEM 16C.  PRINCIPAL ACCOUNTANT FEES AND SERVICES

ITEM 16D.  EXEMPTIONS FROM THE LISTING STANDARDS FOR AUDIT COMMITTEES 

ITEM 16E.  PURCHASES OF EQUITY SECURITIES BY THE ISSUER AND AFFILIATED PURCHASERS

ITEM 16F.  CHANGE IN REGISTRANT’S CERTIFYING ACCOUNTANT

ITEM 16G.  CORPORATE GOVERNANCE 

ITEM 16H.  MINE SAFETY DISCLOSURE 

PART III 

ITEM 17. 

FINANCIAL STATEMENTS 

ITEM 18. 

FINANCIAL STATEMENTS 

ITEM 19.  EXHIBITS 

1

1

1

1

1

29

44

44

62

70

71

72

73

85

86

86

86

86

87

88

88

88

89

89

89

90

90

90

90

90

90

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Table of Contents 

INTRODUCTION 

In this annual report on Form 20-F, unless otherwise indicated or unless the context otherwise requires, 

•                  “Sinovac,” “Company,” “we,” “us,” “our company,” and “our” refer to Sinovac Biotech Ltd., its predecessor entities and its 

consolidated subsidiaries 

•                  “China,” “Chinese” or the “PRC” refers to the People’s Republic of China, excluding, for the purposes of this annual report on 

Form 20-F only, Taiwan and the special administrative regions of Hong Kong and Macau; 

•                  “RMB” or “renminbi” refers to the legal currency of China; and “$” or “U.S. dollars” refers to the legal currency of the United 

States; 

•                  “shares” or “common shares” refers to our common shares, par value $0.001 per share; and 

•                  “U.S. GAAP” refers to general accepted accounting principles in the United States. 

Discrepancies in any table between the amounts identified as total amounts and the sum of the amounts listed therein are due to 

rounding. 

This annual report contains translations of certain renminbi amounts into U.S. dollars at specified rates solely for the convenience 

of the readers. All translations from renminbi to U.S. dollars were made at the noon buying rate in The City of New York for cable 
transfers in renminbi per U.S. dollar as certified for customs purposes by the Federal Reserve Bank of New York, or the noon buying 
rate. Unless otherwise stated, the translation of renminbi into U.S. dollars has been made at the noon buying rate in effect on 
December 31, 2014, which was RMB6.2046 to $1.00. We make no representation that the renminbi or U.S. dollar amounts referred to 
in this annual report could have been or could be converted into U.S. dollars or renminbi, as the case may be, at any particular rate or at 
all. On April 17, 2015, the noon buying rate was RMB6.1976 to $1.00. 

PART I 

ITEM 1. IDENTITY OF DIRECTORS, SENIOR MANAGEMENT AND ADVISERS 

Not applicable. 

ITEM 2. OFFER STATISTICS AND EXPECTED TIMETABLE 

Not applicable. 

ITEM 3. KEY INFORMATION 

A.            Selected Financial Data 

The following selected consolidated statements of comprehensive income (loss) data for the fiscal years ended December 31, 2014, 
2013 and 2012 and consolidated balance sheet data as of December 31, 2014 and 2013 have been derived from our audited consolidated 
financial statements that are included in this annual report beginning on page F-1. The following selected consolidated statements of 
comprehensive income (loss) data for the fiscal years ended December 31, 2011 and 2010 and consolidated balance sheet data as of 
December 31, 2012, 2011 and 2010 have been derived from our audited consolidated financial statements that are not included in this 
annual report. 

Our historical results do not necessarily indicate results expected for any future periods. The selected consolidated financial data 
should be read in conjunction with our audited consolidated financial statements and related notes and Item 5 “Operating and Financial 
Review and Prospects” below. Our audited consolidated financial statements are prepared and presented in accordance with U.S. 
GAAP. 

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Table of Contents 

Consolidated statements of 
comprehensive income (loss) data 

Sales 
Cost of sales 
Gross profit 
Operating expenses: 

(1) 

Selling, general and administrative expenses
Provision (recovery) for doubtful accounts 
Research and development expenses 
Loss on disposal and impairment of property, 

plant and equipment 

Government grants recognized in income 

Total operating expenses 
Operating income (loss) 
Interest and financing expenses 
Interest income 
Other income (expenses) 

Income (loss) before income taxes and non-

controlling interests 

Income tax benefit (expenses) 
Net income (loss) 
Less: (income) loss attributable to non-controlling 

Net income (loss) attributable to the shareholders of 

interests 

Sinovac 

Earnings (loss) per share 
- basic 
- diluted 
Weighted average number of common shares 

outstanding 

- basic 
- diluted 

$

$

$
$

Year ended December 31, 
2011 
2012
(in thousands except share and per share data)

2013

2014

63,101
16,493 
46,608 

34,787
329 
11,034 

74
(104)
46,120 
488
(3,407)
2,685 
1,356

1,122 
(1,458)
(336)

$

$

72,524
21,273 
51,251 

34,538
(504)
8,384  

88
— 
42,506 
8,745
(3,031)
2,168  
263

8,145  
2,225
10,370 

$

56,842
21,128 
35,714 

23,809
(167)
9,007 

455
(764)
32,340 
3,374
(384)
1,397 
280

4,667 
(5,066)
(399)

2010

33,401
16,719 
16,682 

20,296
1,921  
8,508  

1,237
(1,924)
30,038 
(13,356)
(1,178)
1,133  
96

(13,305)
704
(12,601)

49,216   $ 
19,100  
30,116  

33,280  
(874) 
17,044  

2,190  
(373) 
51,267  
(21,151) 
(775) 
2,370  
(77) 

(19,633) 
884  
(18,749) 

3,896  

(515)

(2,928)

(851) $

7,442  

(0.02) $
(0.02) $

0.13
0.13

$

$
$

(445)

4,094

(14,853)  $ 

(844) $

(8,507)

(0.27)  $ 
(0.27)  $ 

(0.02) $
(0.02) $

(0.16)
(0.16)

55,681,076
55,681,076 

55,301,276
55,802,338 

54,926,440  
54,926,440  

54,608,919
54,608,919 

53,064,968
53,064,968 

(1)         Includes stock-based compensation of $0.3 million, $0.3 million, $0.3 million, $0.2 million and $0.5 million in 2014, 2013, 2012, 

2011 and 2010, respectively. 

Balance sheet data 

Cash and cash equivalents  
Total assets 
Short-term bank loans and current portion of long-

term debt 

Total current liabilities 
Long term debt (include due to related party) 
Net assets 
Non-controlling interests 
Common stock 
Total shareholders’ equity 

2014

2013

$

91,518
238,530

$

107,242
240,693

As of December 31, 
2012
(in thousands) 
$

91,241   $ 
208,763  

2011 

2010

104,287
215,908

$

101,585
214,358

47,375 
79,834
1,803 
141,726 
15,162 
56
126,564 

2 

$

$

16,217 
49,157
32,146 
143,639 
14,955 
56
128,684 

$

3,329  
30,155  
34,411  
129,435  
11,711  
55  
117,724   $ 

4,713 
39,531
17,321 
145,297 
15,377 
55
129,920 

$

10,436 
45,758
10,058 
147,756 
21,317 
54
126,439 

  
  
  
  
 
 
  
  
 
 
 
 
   
 
 
 
 
 
 
  
   
 
 
 
 
  
  
   
  
  
 
  
  
   
  
  
 
  
 
 
 
 
 
  
 
 
  
 
 
 
 
 
 
 
Table of Contents 

B.            Capitalization and Indebtedness 

Not applicable. 

C.            Reasons for the Offer and Use of Proceeds 

Not applicable. 

D.            Risk Factors 

Risks Related to Our Company 

Our business growth relies on our ability to react to infectious disease threats and to continually introduce new vaccine products 
into the commercial market. Our failure to effectively develop and commercialize new products could materially and adversely affect 
our business, financial condition, results of operations and prospects. 

The biopharmaceutical market in general and the vaccine product market in particular are developing rapidly as a result of ongoing 

infectious disease threats and new trends in the related research and technology developments. Consequently, our success depends on 
our ability to react to disease and technology development trends and to identify, develop and commercialize in a timely and cost-
effective manner effective vaccine products that meet evolving market needs. 

Whether we are successful in developing and commercializing new products is determined by our ability to: 

•                  accurately assess disease and technology trends and market needs; 

•                  maintain strong research and development capabilities; 

•                  optimize our manufacturing and procurement processes to predict and control costs; 

•                  manufacture and deliver products with good quality in a timely manner and in sufficient quantities; 

•                      manage product lot release process successfully and timely; 

•                  increase customer awareness and acceptance of our products; 

•                  minimize the time and cost required to obtain required regulatory clearances and approvals; 

•                  anticipate and compete effectively with other vaccine product developers, manufacturers and marketers; 

•                  price our products competitively; 

•                  comply with the guidelines of Good Manufacturing Practice, or GMP, and other related regulations; and 

•                      thoroughly understand the frequently developing regulatory guidelines and regulations on vaccine products and to comply 

with the regulations and guidelines accordingly. 

We incurred a loss from 2010 to 2012 and in 2014 and may incur losses again in the future. 

Biopharmaceutical product development is a highly speculative undertaking and involves a substantial degree of risk. We have 
incurred substantial losses since our inception. Although we first became profitable for the year ended December 31, 2007 and were 
profitable from 2007 through 2009, we incurred losses in 2010, 2011 and 2012. Although we were profitable in 2013, we incurred a 
loss again in 2014. We cannot assure you when we will be profitable again in the future. We had net income attributable to shareholders 
of $7.4 million in 2013 and incurred net loss attributable to shareholders of $0.9 million in 2014. Our profit in 2013 was partly driven 
by the recognition of H5N1 vaccine governmental stockpiling revenue of $10.7 million, which will not happen every year. In 2014, the 
loss was caused by less revenue and higher R&D expenses. None of the research and development expenses incurred were capitalized 
in our financial statements. We intend to continue to invest in research and development to sustain our long-term growth. We expect 
our research and development expenses to fluctuate depending on the progress we make on each project, with relatively more spending 
on clinical studies than preclinical studies. We expect our spending on research and development will have a negative impact on our 
future net earnings. As a result, we may incur losses in the future, which will have an adverse impact on our working capital, total 
assets, shareholders’ equity and cash flow. 

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We distribute vaccines product in China through Centers for Disease Control, or CDCs, which are PRC government agencies. This 
exposes us to risks relating to doing business with the government. 

We sell our vaccines to CDCs, which are PRC government agencies. Our sales to PRC government agencies expose us to various 

risks relating to doing business with the government. Demand and ability to pay for our products may be affected by government 
budgetary cycles, shifting availability of public funds and changes in policy. Funding reductions, delays in payment or unilateral 
demands for changes to the terms of our contracts by our government customers could adversely impact our results of operations and 
financial condition, exacerbate the existing seasonality of our revenues and make it difficult for us to allocate resources or anticipate 
demand for our products. More importantly, we have little or no control over government procurement decisions, and government 
agencies that contract to purchase our products may reduce or cancel orders, or demand price adjustments or other changes to their 
contracts with us without our consent. Changes in the personnel of the PRC government agencies that purchase our products may result 
in changes or delays to or cancellations of purchase commitments due to, among others, differing policy and budgetary agendas of the 
personnel involved. Similar changes could occur if the Centers for Disease Control, or CDC, or other relevant government agency were 
to be consolidated with another ministry. Any of the above mentioned actions taken by government agencies could have a material 
adverse effect on our results of operations and expected earnings, or result in our failure to meet, or having to adjust downwards, our 
sales and gross margin guidance or estimates, which could adversely affect our stock price and result in substantial losses to you. In 
addition, many of the remedies that are available to us when dealing with private parties, such as making claims for breach of contract 
or taking other legal actions, may not be available or practicable in our dealings with government agencies. 

We currently have limited revenue sources. A reduction in revenues from sales of Healive, Bilive or Anflu would cause our revenues 
to decline and could materially harm our business. 

We generate all of our revenues from sales of our vaccine products. We derive a substantial percentage of our revenues from a 
small number of vaccine products. In 2014, 2013 and 2012, 42.0%, 36.4% and 40.9%, respectively, of our revenues were from sales of 
Healive; 34.8%, 28.7% and 40.3% of our revenues were from sales of Bilive; 19.2%, 16.8% and 18.7% of our revenues were from sales 
of Anflu; and 0.3%, 14.8% and nil of our revenues were from sales of Panflu (H5N1). However, revenue recognition of Panflu (H5N1) 
is not recurring, which may cause fluctuation of our revenue. As a result of this relative lack of product diversification, an investment in 
our company would be more risky than investments in companies that offer a wide variety of products or services. 

We expect our key products, which will likely shift over time, to continue to account for a significant portion of our net revenues 

for the foreseeable future. As a result, continued market acceptance and popularity of these products are critical to our success and a 
reduction in demand due to, among other factors, the introduction of competing products by our competitors, the entry of new 
competitors, or end-users’ dissatisfaction with the quality of our products, could materially and adversely affect our financial condition 
and results of operations. 

We could be subject to costly and time-consuming product liability actions and, because our insurance coverage is limited, our 
exposure to such claims could cause significant financial burden. 

Our business exposes us to potential product liability risks that are inherent in the testing, manufacturing and marketing of 
biopharmaceutical products. We manufacture vaccines that are injected into people to protect against infectious illnesses. If our 
products do not function as anticipated, whether as a result of flaws in our design, unanticipated health consequences or side effects, 
misuse or mishandling by third parties, or faulty or contaminated supplies, they could harm the vaccinees and, as a result, subject us to 
product liability lawsuits. Claims against us also could be based on failure to immunize as anticipated. Any product liability claim 
brought against us, with or without merit, could have a material adverse effect on us. Meritless and unsuccessful product liability claims 
can be time consuming, expensive to defend and could result in the diversion of management’s attention from managing our core 
business or result in associated negative publicity. 

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The successful assertion of product liability claims against us could require us to pay significant monetary damages. Although we 
currently carry worldwide product liability insurance for Healive, Bilive, Anflu and Panflu (excluding U.S. and Europe), we cannot 
assure you that such coverage will be sufficient to cover any liabilities resulting from successful product liability claims. In such a case, 
we may be required to make substantial payments to cover any losses, damages or liabilities arising from product liability claims. For 
any amounts covered by insurance, there remains the risk that foreign exchange or other regulatory restrictions may prevent the use of 
insurance proceeds to meet the liabilities. In addition, we do not have or have planned to procure clinical trial liability insurance for our 
clinical trials to mitigate any unsuccessful clinical trial expenses or product liability claims arising therefrom. Any of these factors 
could have a material adverse effect on our business, financial condition and results of operations. 

Any pandemic threat may abate, or alternative vaccines or technologies may be adopted, before our vaccines achieve significant 
sales. 

We have devoted significant resources to researching and developing various vaccines to address the pandemic threat of infectious 
diseases, including SARS, avian flu, and swine flu, and will continue to devote resources to the development of our vaccines to address 
any new needs. 

However, the threat of a pandemic outbreak may subside before we realize any return on our investment in our research and 
development. For example, although we believe we were the first company to complete a phase I clinical trial of an inactivated SARS 
vaccine in December 2004, we did not proceed with the phase II and phase III trials as the SARS epidemic subsequently subsided. 
Other organizations may obtain licenses for their own pandemic vaccines, or government health organizations may acquire adequate 
stockpiles of pandemic vaccine or adopt other technologies or strategies to prevent or limit outbreaks before our pandemic vaccine 
achieves significant sales. We may not achieve a return on our investment before the threat of a pandemic outbreak subsides or a 
competing product is adopted. 

Failure to achieve and maintain effective internal controls could have a material adverse effect on our business, results of 
operations and the trading price of our common shares. 

We are subject to the reporting obligations under U.S. securities laws. Section 404 of the Sarbanes-Oxley Act of 2002 and related 

rules require public companies to include a report of management on their internal control over financial reporting in their annual 
reports. This report must contain an assessment by management of the effectiveness of a public company’s internal control over 
financial reporting. In addition, an independent registered public accounting firm for a public company must attest to and report on the 
effectiveness of our internal control over financial reporting. 

Our management has concluded that our internal control over financial reporting is effective as of December 31, 2014. See “Item 

15. Controls and Procedures.” Our independent registered public accounting firm has issued an attestation report on our internal control 
over financial report, which concludes that our internal control over financial reporting is effective in all material aspects. However, we 
cannot assure you that any material weakness or deficiency in our internal control over financial reporting will not be identified in the 
future. We may not always be able to maintain an effective internal control over financial reporting. If we fail to maintain effective 
internal control over financial reporting in the future, we and our independent registered public accounting firm may not be able to 
conclude that we have effective internal control over financial reporting at a reasonable assurance level. This could in turn result in the 
loss of investor confidence in the reliability of our financial statements and negatively impact the trading price of our common shares, 
inhibiting our ability to raise sufficient capital on favorable terms. Furthermore, we have incurred and anticipate that we will continue 
to incur considerable costs and use significant management time and other resources in an effort to comply with Section 404 and other 
requirements of the Sarbanes-Oxley Act. 

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If we are unable to successfully compete in the highly competitive biopharmaceutical industry, our business could be harmed. 

We operate in a highly competitive environment and we expect the competition to increase further in the future. Our competitors 
include large pharmaceutical and biotechnology companies, both domestic and international. Many of these competitors have greater 
resources than us. New competitors may also enter into the markets in which we currently compete. Accordingly, even if we are 
successful in launching a product, we may not be able to outperform a competing product for any number of reasons, including the 
possibility that the competitor may: 

•                  have launched its competing product first or the competing product may have, or be perceived as having, better efficacy, 

stronger brand recognition, or other advantages; 

•                  have better access to certain raw materials; 

•                  have more efficient manufacturing processes and greater manufacturing capacity; 

•                  have greater marketing capabilities; 

•                  have greater pricing flexibility; 

•                  have more extensive research and development and technical capabilities; 

•                  have proprietary patent portfolios or other intellectual property rights that may present an obstacle to our conduct of business; 

•                  have greater knowledge of local market conditions where we seek to increase our international sales; 

•                  have capability to maintain a competitive management team; or 

•                  have investment capability to acquire businesses when the opportunity is not available to us. 

The technologies applied by our competitors and us are rapidly evolving, and new developments frequently result in price 

competition and product obsolescence. In addition, we may be impacted by competition from generic forms of our products, substitute 
products or imports of products from lower-priced markets. For a detailed description of our competitors in hepatitis A vaccines, 
hepatitis A and B vaccines and influenza vaccines, please see “Item 4. Information on the Company — B. Business overview —
 Competition.” 

We may not be successful in commercializing our EV71 vaccine 

We completed phase III clinical trial on our proprietary EV71 vaccine against EV71-associated hand, foot and mouth diseases, or 
HFMD, which showed that our EV71 vaccine candidate has good safety and efficacy profile. We filed new drug application, or NDA, 
for our EV71 vaccine candidate in May 2013 with the external expert panel review completed in November 2014. We cannot assure 
you that we will be able to successfully obtain the new drug certificate, production permit and good manufacturing practice certificate 
required for us to begin production and bring our EV71 vaccine to the market. Even then, unsuccessful lot release and competitive 
pricing pressures may limit or prevent the success of the product on the market. For example, our competitors may launch similar 
products or the PRC government may grant compulsory licenses to allow competitors to manufacture our EV71 vaccine. State-owned 
competitors may not act rationally as commercial entities, and we may be forced to follow their pricing to the low end of the range. 
Furthermore, if the PRC government were to include our EV71 vaccine in Expanded Program on Immunization, or EPI, earlier than we 
expect, purchase made by the government could affect our anticipated revenue. Any of these factors, together with other risks, 
including changes in the regulatory environment, supply issues and product liability claims, may result in our inability to successfully 
commercialize our EV71 vaccine in China, which would materially and adversely affect our business, financial condition and results of 
operations. 

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We may not be able to maintain market share in China with our commercialized vaccines, which could adversely affect our ability to 
increase our revenues. 

Our market share is estimated based on the batch release number for 2014 (as of December 31, 2014) published by the National 

Institutes for Food and Drug Control, or NIFDC, which represents the market share estimated based on published supply quantity, but 
not the actual sales number in the market. We supplied 21.0%, 15.5% and 10.9% of the total hepatitis A vaccine market, or 72.7%, 
44.6% and 37.1% of the inactivated hepatitis A vaccine market in 2014, 2013 and 2012, respectively, as measured by lot release 
number. Going forward, we may not be able to compete with other hepatitis A suppliers for either private pay market or public market, 
which could adversely affect our ability to increase our revenues from hepatitis A vaccine. 

We have been marketing and selling seasonal flu vaccines since 2006. Our market share, in terms of lot release numbers, was 9.5% 

in 2014, 11.3% in 2013 and 6.7% in 2012. The flu vaccine market in China is highly competitive. Multinational companies are 
increasing investment in localized flu vaccine manufacturing plants. Our revenue growth could be adversely impacted if we are not able 
to maintain our market share in this highly competitive market. 

We may not be able to maintain market share in the government-funded hepatitis A vaccine market, or other government-funded 
vaccine markets, which could adversely affect our revenues, and if we do maintain or expand market share in these markets, we 
may need to sell our vaccines at a lower price, which could adversely affect our gross margin. 

Hepatitis A vaccines have been included in the EPI in China since 2007. The PRC government purchases hepatitis A vaccines for 

each 18-month-old child. 

Although the hepatitis A vaccines have been included in the EPI, most provincial and municipal governments are not able to 

afford the two shots of inactivated hepatitis A vaccines due to insufficient financial support, which constrains the purchase of 
inactivated hepatitis A vaccines in government-funded market. Most provincial and municipal governments prefer to purchase the 
lower-priced live attenuated hepatitis A vaccines; however, a few affluent provincial and municipal governments, such as Beijing, 
Tianjin, Shanghai and Jiangsu province, have started to purchase inactivated hepatitis A vaccines. We are supplying vaccines in these 
markets at a lower price than we do in the private market, which could adversely affect our gross margin. Moreover, we cannot assure 
you that we will be able to maintain our sales in the public market for our hepatitis A vaccine. Our revenue could be adversely impacted 
if we are not able to maintain our market share of the government-funded markets of these cities and province. As we are making 
efforts to breakthrough into additional provincial and municipal public market, we may be forced to further lower our price to win the 
tender, which will adversely affect our gross margin. 

Since 2008, we have received three stockpiling orders for our H5N1 vaccine from China’s central government every two years 
with the amount of 3 million doses each order, and three stockpiling orders from Beijing government with the amount of 20,000 doses 
per order. The latest batch of stockpiled H5N1 vaccines will expire in the first half of 2016 and the revenue will be recognized upon the 
government inspection. We cannot assure you that we will continue to receive additional stockpiling orders from governments in the 
future. 

Since 2007, we have been selected as one of the suppliers by Beijing CDC to supply seasonal influenza vaccines to Beijing 

citizens. We have supplied 496,769 doses, 408,793 doses, 338,895 doses, 368,650 doses, 264,942 doses, 513,901 doses, 128,138 doses 
in 2014, 2013, 2012, 2011, 2010, 2009, 2007 respectively. Although the supply volume has been increasing in recent years, we cannot 
assure you that we will continuously obtain such orders in the future and maintain the current market share. If the supply volume 
decreases, that would negatively impact our sales revenue in the future. 

If centers for disease control, hospitals, physicians and vaccinees, do not accept our products, we may be unable to generate 
significant revenue. 

Even if we have obtained the regulatory approval for commercialization of our vaccines, they still may not gain market acceptance 
among centers for disease control, or CDCs, hospitals, physicians, vaccinees and the medical community, which would limit our ability 
to generate revenue and would adversely affect our results of operations. CDCs, hospitals and physicians may not recommend products 
developed by us or our collaborators until clinical data or other factors demonstrate superior or comparable safety and efficacy of our 
products as compared to other available treatments. Even if the clinical safety and efficacy of our products are established, CDCs, 
hospitals and physicians may elect not to recommend these products for a variety of reasons. There are other vaccines and treatment 
options for the conditions that many of our products and product candidates target, such as hepatitis A and B and influenza. In order to 
successfully launch a product, we must educate physicians and vaccinees about the relative benefits of our products. If our products are 
not perceived as easy and convenient to use, are perceived to present a greater risk of side effects or are not perceived to be as effective 
as other available treatments, CDCs, hospitals, physicians and vaccinees might not adopt our products. A failure of our products to gain 
commercial acceptance would have a material adverse effect on our business, financial condition and results of operations. 

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We may not achieve the expected return on our investment in the development of animal vaccine products or in Sinovac Dalian 

We are new to the animal vaccine market in China. In 2011, we developed and launched our first animal vaccine product, RabEnd, 

an animal rabies vaccine. China’s animal vaccine market differs significantly from the human vaccine market with regard to 
development stage, distribution channel and governing authorities. We may not achieve the expected returns on our investment in 
developing animal vaccine products. We established a new sales team to market our animal vaccine products to animal hospitals and 
CDCs. We also participated in the government tendering process. We cannot assure you, however, that we will succeed in our efforts to 
penetrate the animal vaccine market or that our animal vaccine products will be well received by our target customers. Failure of our 
animal vaccine products to gain market acceptance will negatively affect our business, financial condition and results of operations. In 
2012, we recorded $1.5 million impairment charges of long-lived assets in relation to animal vaccine production. We cannot assure you 
that we will not incur similar charges or other expenses or operational losses due to failures or delays in the commercialization of our 
animal vaccines. 

In addition, we have invested significant resources into Sinovac Dalian since its establishment in 2010. However, we cannot assure 

you that Sinovac Dalian’s business, covering the research, development, manufacturing and commercialization of vaccines, such as 
mumps and varicella, will be successful or that we will not incur any related impairment charges in the future. Any failure to achieve 
the expected return on our investment in Sinovac Dalian may materially and adversely affect our business, financial condition and 
results of operations. 

Our growth may be adversely affected if market demand for our vaccine products and product candidates does not meet our 
expectations. We may encounter problems of inadequate supply or oversupply, which would materially and adversely affect our 
financial condition and results of operations, as well as damage our reputation and brand. 

Our growth may be adversely affected if market demands for our vaccine products and product candidates do not meet our 
expectations. The production of vaccine products is a lengthy and complex process. As a result, our ability to match our production to 
market demand is imprecise and may result in a failure to meet market demand, which could materially and adversely affect our 
financial condition and results of operations as well as damage our reputation and corporate brand. For example, many vaccinees 
receive their seasonal flu vaccinations in the three-month period from September to November in anticipation of an upcoming flu 
season and we expect this period to be one of the most significant sales periods for this product each year. In anticipation of the flu 
season, we intend to build up inventory of our Anflu product in line with what we believe will be the anticipated demand for the 
product. If actual demand does not meet our expectations, we may be required to write off significant inventory and may otherwise 
experience adverse consequences in our financial condition. If we overestimate demand, we may purchase more raw materials than 
required. If we underestimate demand, our third-party suppliers may have inadequate raw material inventories, which could interrupt 
our manufacturing, delay shipments and result in lost sales. 

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If we are unable to enroll sufficient vaccinees and identify clinical investigators for our clinical trials, our development programs 
could be delayed or terminated. 

The rate of completion of our clinical trials is significantly dependent upon the rate of enrollment of volunteers. Vaccinees 

enrollment is a function of many factors, including: 

•                  efforts of the sponsor and clinical sites involved to facilitate timely enrollment; 

•                  vaccinee referral practices of physicians; 

•                  design of the protocol; 

•                  eligibility criteria for the study in question; 

•                  perceived risks and benefits of the drug under study; 

•                  the size of the vaccinee population; 

•                  availability of competing therapies; 

•                  availability of clinical trial sites; and 

•                  proximity of and access by vaccinees to clinical sites. 

We may have difficulty in obtaining sufficient volunteer subjects enrollment or finding qualified investigators to conduct our 
clinical trials as planned and we may need to expend substantial funds to obtain access to resources or delay or modify our plans 
significantly. These considerations may lead us to consider the termination of development of a product for a particular indication. 

A setback in any of our clinical trials could adversely affect our share price. 

We obtained the approval to conduct clinical trials for our pneumococcal polysaccharide vaccine in May of 2014 and we started 
clinical trails at the beginning of April 2015. In addition, we also filed a number of applications for our vaccine product candidates to 
conduct clinical trials, including varicella vaccine, sIPV, hepatitis B vaccine, and hepatitis A and B combination vaccine. We expect to 
obtain the license to commence human trial for our varicella vaccine in 2015. Setbacks in any phase of the clinical trials or field trials of 
our product candidates could have a material adverse effect on our business and our future prospects and financial results and would 
likely cause a decline in the price of our common shares. We may not achieve our projected development goals in the time frames we 
announce and expect. If we fail to achieve one or more milestones as contemplated, the market price of our common shares could 
decline. 

We set goals for and make public statements regarding our anticipated timing of the accomplishment of objectives material to our 
success, such as the commencement and completion of clinical trials and other milestones. The actual timing of these events can vary 
dramatically due to factors such as delays or failures in our clinical trials, the uncertainties inherent in the regulatory approval process 
and delays in achieving manufacturing or marketing arrangements sufficient to commercialize our products. We may not complete our 
clinical trials or make regulatory submissions or receive regulatory approvals as planned. Also, we may not be able to adhere to our 
currently anticipated schedule for the launch of any of our products. If we fail to achieve one or more milestones as contemplated, the 
market price of our shares could decline. 

We rely on third parties to conduct clinical trials, who may not perform their duties satisfactorily. 

After we obtain approval to conduct clinical trials for our product candidates, we rely on qualified research organizations, medical 

institutions and clinical investigators to enroll qualified vaccines and conduct clinical trials. Our reliance on these third parties for 
clinical development activities reduces our control over the clinical trial process. Furthermore, these third parties may also have 
relationships with other entities, some of which may be our competitors. If these third parties do not fulfill their contractual obligations, 
including failing to meet expected deadlines, we may not succeed or experience delays in our efforts to obtain regulatory approvals and 
commercialize our vaccine candidates. 

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If any of our third-party suppliers or manufacturers cannot adequately meet our needs, our business could be harmed. 

While we use raw materials and other key materials supplies that are generally available from multiple commercial sources, certain 
raw materials that we use to cultivate our influenza vaccines, such as embryonated eggs, are in short supply or difficult for suppliers to 
produce in accordance with our specifications. If the third-party suppliers were to cease production or otherwise fail to supply us with 
quality raw materials, and we were unable to contract on acceptable terms for these materials with alternative suppliers, our ability to 
deliver our products to the market would be adversely affected. 

In addition, if we fail to secure long-term supply sources for some of the raw materials we use, our business could be harmed. For 

example, we do not have a long-term agreement for the supply of hepatitis B antigens used for Bilive production. We source hepatitis B 
antigens entirely from Beijing Temple of Heaven Biological Products Co., Ltd., or Beijing Temple of Heaven. Although we are 
developing our own hepatitis B vaccine, before it is approved to be commercialized, we have to rely on the supplier to receive hepatitis 
B antigen. We and Beijing Temple of Heaven agreed to enter into annual hepatitis B antigens supply agreements after our previous ten-
year exclusive supply framework agreement expired in October 2012. Beijing Temple of Heaven supplied hepatitis B antigens to us 
from July 2013 to June 2014. After that, we entered into the current hepatitis B antigens supply agreement in July 2014, which will 
expire in June 2015. Although we believe we have a good relationship with Beijing Temple of Heaven and successfully managed the 
supply in the past, we cannot assure you that Beijing Temple of Heaven will not, for any reason, cease to supply us with hepatitis B 
antigens in the future, in which case our business, financial condition and results of operations may be materially and adversely 
affected. 

From time to time, concerns are raised with respect to potential contamination of biological materials that are supplied to us. These 

concerns can further tighten market conditions for materials that may be in short supply or available from limited sources. Moreover, 
regulatory approvals to market our products may be conditioned upon obtaining certain materials from specified sources. Any efforts to 
substitute material from an alternate source may be delayed by pending regulatory approval of such alternate source. Although we work 
to mitigate the risks associated with relying on sole suppliers, there is a possibility that material shortages could impact product 
development and production. 

Our business is highly seasonal. This seasonality will contribute to our operating results fluctuating considerably throughout the 
year. 

Our business is highly seasonal. For example, the influenza season generally runs from November through March of the next year 

and the largest percentage of influenza vaccinations is administered between September and November of each year. As a result, we 
expect to realize most of our annual revenues from Anflu during this period. You should expect this seasonality in our business to 
contribute to significant quarterly fluctuations in our operating results. 

We rely on a limited number of facilities for the manufacturing of our products in accordance with relevant regulatory 
requirements. Any disruption to our existing manufacturing facilities or in the development of new facilities could reduce or restrict 
our sales and harm our reputation. 

According to the China GMP standards, each vaccine product can only be produced in one dedicated production facility. In 
Beijing, we conduct the primary production of each vaccine in its dedicated production plant at our Shangdi site and secondary filling 
and packaging at our Changping site. In Dalian, we manufacture mumps vaccine at one facility. We also conduct some of our primary 
research and development activities out of our manufacturing facilities. We do not maintain back-up facilities for our currently 
available products, so we are dependent on our existing facilities for the continued operation of our business. A natural disaster or other 
unanticipated catastrophic events, including power interruptions, water shortage, storms, fires, earthquakes, terrorist attacks, could 
significantly impair our ability to manufacture our products and operate our business, as well as delay our research and development 
activities. Our facility and certain equipment located in this facility would be difficult to replace and could require substantial 
replacement lead-time. Catastrophic events may also destroy any inventory located in our facility. We do not maintain any business 
interruption insurance to cover lost income as a result of any such events. The occurrence of such an event could materially and 
adversely affect our business. We may build additional manufacturing facilities in the future. There can be no assurance, however, that 
we will be able to expand our manufacturing capabilities to or realize the anticipated benefits of our new facilities. Any of these factors 
could reduce or restrict our sales and harm our reputation and have a material adverse effect on our business, financial condition, results 
of operations and prospects. 

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We will need additional capital to upgrade the production plant for our existing products or expand the facility, to continue 
development of our product pipeline and to market existing and future products on a large scale. We cannot guarantee that we will 
find adequate sources of capital in the future. 

We closed a public offering of our common shares on February 2, 2010, and received net proceeds of approximately $61.8 million, 

after deducting underwriting discounts and commissions and offering expenses payable by us. We have invested approximately $16.4 
million in incorporation of Sinovac Dalian and invested $10.0 million in Sinovac R&D to conduct research and development and other 
operating activities of operational entity in PRC. We intend to use the remaining net proceeds we received from this offering for the 
research and development of our product candidates, the expansion of production facilities for our pipeline products and other general 
corporate purposes. 

In the long run, we will need to raise additional funds from the capital markets to finance equipment expenditures, to acquire 
intellectual property, to expand the production facility for our pipeline products, including pneumococcal polysaccharide vaccine, 
varicella vaccine, to continue the development and commercialization of our product candidates and for other corporate purposes. As of 
December 31, 2014, we had approximately $ 91.5 million in cash and cash equivalents. Although we believe that we have adequate 
near-term cash resources, we will need to undertake significant future financings in order to: 

•                  establish and expand manufacturing capabilities; 

•                  proceed with the research and development of other vaccine products, including clinical trials of new products; 

•                  commercialize our products, including the marketing and distribution of new and existing products; 

•                  seek and obtain regulatory approvals; 

•                  develop or directly acquire or indirectly through acquisition of companies, other product candidates or technologies or 

companies; 

•                  protect our intellectual property; and 

•                  finance general and administrative and research activities that are not related to specific products under development. 

In the past, we funded most of our research and development and other expenditures through government grants, working capital, 

bank loans and proceeds from private placements and public offering of our common shares. We may raise additional funds in the 
future because our current operating and capital resources may be insufficient to meet future requirements. 

If we continue to raise additional funds by issuing equity securities, it will result in further dilution to our existing shareholders 
because the shares may be sold at a time when the market price is low and shares issued in equity financing transactions will normally 
be sold at a discount to the current market price. Any additional equity securities issued also may provide for rights, preferences or 
privileges senior or otherwise preferential to those of holders of our existing common shares. Unforeseen problems including materially 
negative developments relating to, among other things, disease developments, product sales, new product rollouts, clinical trials, 
research and development programs, our strategic relationships, our intellectual property, litigation, regulatory changes in our industry, 
the Chinese market generally or general economic conditions, could interfere with our ability to raise additional funds or materially and 
adversely affect the terms upon which such funding is available. 

If we raise additional funds by issuing debt securities, these debt securities would have rights, preferences and privileges senior to 

those of holders of our common shares, and the terms of the debt securities issued could impose significant restrictions on our 
operations. If we raise additional funds through collaborations and licensing arrangements, we might be required to relinquish 
significant rights to certain of our technologies, marketing territories, product candidates or products that we would otherwise seek to 
develop or commercialize ourselves, or be required to grant licenses on terms that are not favorable to us. In the past, we have also 
received different types of grants from the PRC government to finance the research and development and facility investment of our 
vaccine products. We may not receive additional grants in the future. 

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We do not know whether additional financing will be available to us on commercially acceptable terms when needed. If adequate 
funds are not available or are not available on commercially acceptable terms, we may be unable to continue developing our products. 
In any such event, our ability to bring a product to market and obtain revenues could be delayed and competitors could develop 
products sooner than we do. As a result, our business, financial condition and results of operations could be materially and adversely 
affected. 

The interests of the respective minority shareholders of Sinovac Beijing and Sinovac Dalian may diverge from our own, which may 
adversely affect our ability to manage these subsidiaries. 

Sinovac Beijing, our principal operating subsidiary, is a Sino-foreign equity joint venture in which we own a 73.09% interest and 

Xiamen Bioway Biotech Co., Ltd, or Xiamen Bioway, owns a 26.91% interest. Xiamen Bioway’s interests may not be aligned with our 
interests at all times. We cannot assure you that Xiamen Bioway will be cooperative with us in handling matters related to the 
operations of Sinovac Beijing. As the minority shareholder of Sinovac Beijing, according to Sinovac Beijing’s Articles, Xiamen 
Bioway has the right to assign a director to the five-director board of Sinovac Beijing. Accordingly, they have the ability to take actions 
that bind Sinovac Beijing or to block any action that requires unanimous board approval. In addition, if we wish to transfer our equity 
interest in Sinovac Beijing, in whole or in part, to a third-party, Xiamen Bioway has a right of first refusal to purchase our interest in 
accordance with the relevant PRC regulations. 

In addition, Xiamen Bioway, the minority shareholder of Sinovac Beijing has additional rights under the joint venture contract and 

articles of association of Sinovac Beijing. The joint venture contract and articles of association require the consent of each of Sinovac 
Beijing’s shareholders and/or unanimous board approval on matters such as a major change in the business line of the company, 
expansion or amendment of the business scope of the company, transfer of the registered capital by a shareholder, creation of a 
mortgage or pledge upon the company’s assets, a change in the organizational form of the company and designation or removal of the 
general manager. 

In November 2009, we entered into an agreement with Dalian Jin Gang Group to establish Sinovac Dalian. In January 2010, 
Sinovac Dalian was established to focus on the research, development, manufacturing and commercialization of vaccines, such as 
mumps and varicella for human use. Pursuant to the joint venture agreement, we made the initial cash contribution of RMB 60 million 
($9.6 million) in exchange for a 30% equity interest in Sinovac Dalian, and Dalian Jin Gang Group made an asset contribution of RMB 
140 million ($22.5 million), including the manufacturing facilities, production lines and land use rights, in exchange for the remaining 
70% interest in Sinovac Dalian. In December 2010, we purchased an additional 25% equity interest in Sinovac Dalian from Dalian Jin 
Gang Group with a consideration of RMB 50 million ($8.0 million). We and Dalian Jin Gang Group currently own 55% and 45% 
equity interests in Sinovac Dalian, respectively. 

To date, Dalian Jin Gang Group has been cooperative with us in handling matters with respect to the business of Sinovac Dalian. 

We cannot assure you, however, that Dalian Jin Gang Group will continue to act in a cooperative manner in the future. 

Under China’s joint venture regulations, the unanimous approval of members of a joint venture’s board of directors who are 
present at a board meeting is required for any amendment to the joint venture’s articles of association, the termination or dissolution of 
the joint venture company, an increase or decrease in the registered capital of the joint venture company or a merger or de-merger of the 
joint venture. If our interests diverge from those of our minority shareholders, they may exercise their right under PRC laws to protect 
their own interests, which may be adverse to ours. As a result, our ability to manage these subsidiaries may be adversely affected, 
which in turn may materially and adversely affect our business, financial condition and results of operations. 

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Some of the predecessor shareholders of Sinovac Beijing and Tangshan Yian were enterprises owning state-owned assets, or 
EOSAs. Their failures to comply with PRC legal requirements in asset or share transfers could, under certain circumstances, result 
in such transfers being invalidated by government authorities. If this occurs, we could lose our ownership of intellectual property 
rights that are vital to our business as well as our equity ownership in Sinovac Beijing and Tangshan Yian. 

Sinovac Beijing is currently owned 73.09% by us and 26.91% by Xiamen Bioway. Tangshan Yian is wholly owned by us. Some of 

the predecessor shareholders of Sinovac Beijing and Tangshan Yian, including Shenzhen Kexing Biological Engineering Ltd., or 
Shenzhen Kexing, Sinobioway, Tangshan Medicine Biotech Co., Ltd., Tangshan Yikang Biotech Co., Ltd. and Tangshan Yian itself (as 
Sinovac Beijing’s former shareholder), were EOSAs. Under applicable PRC laws, when EOSAs sell, transfer or assign assets or equity 
investments in their possession or under their control to third parties, they are required to obtain an independent appraisal of the 
transferred assets or shares and file such appraisal with or obtain approval of such appraisal from PRC government authorities. Since 
2004, EOSAs have also been required to make such assets or equity transfers at government-designated marketplaces. Our acquisitions 
of intellectual property rights and some equity interests were subject to these requirements. The technologies related to hepatitis A 
vaccine, hepatitis A and B vaccine and influenza vaccine that are vital to our business were directly or indirectly transferred to us by 
Tangshan Yian. 

Tangshan Yian failed to file with the government authorities the appraisal of the hepatitis A vaccine technology that it transferred 

to Sinovac Beijing in 2001 as its capital contribution to Sinovac Beijing. Under PRC laws, Tangshan Yian also failed to: 

•                  obtain the appraisal of the hepatitis A and B vaccine technology that it transferred for no consideration to Beijing Keding 

Investment Co., Ltd., or Beijing Keding, in 2002 (Beijing Keding subsequently transferred the technology to Sinovac Beijing 
as Beijing Keding’s capital contribution to Sinovac Beijing) and to file such appraisal with government authorities; and 

•                  obtain the appraisal of the influenza vaccine technology that it transferred to Sinovac Beijing in 2004 and to file such appraisal 

with government authorities. 

These failures subject us to the risk of losing ownership or control of these vaccine technologies. 

In addition, before we acquired our 73.09% equity interest in Sinovac Beijing and 100% equity interest in Tangshan Yian, both 

companies had undergone multiple changes in their shareholders and these shareholders’ shareholdings. Some of the EOSA 
shareholders of Sinovac Beijing and Tangshan Yian, including SinoBioway and Tangshan Medicine Biotech Co., Ltd., have sold, 
transferred or assigned their respective equity interests in Sinovac Beijing and Tangshan Yian without fully complying with laws to 
appraise the equity interests, to file such appraisals with or obtain regulatory approval of such appraisals from PRC government 
authorities or to make equity interest transfers at the government-designated marketplaces as required for transactions completed after 
2004. Similar to the asset transfers, such failures subject us to the risk of losing the ownership or control of our equity interests in 
Sinovac Beijing and Tangshan Yian. 

PRC government authorities may take court actions to invalidate the transfers of the assets or equity investments discussed above 

for non-compliance with applicable appraisal, filing, approval and designated marketplace requirements. We cannot guarantee that 
government authorities will not take such legal actions or that such legal actions, if commenced, will not be successful. If these 
transfers are invalidated, we would lose title to these assets and investments. Because we depend on these technologies and because 
Sinovac Beijing and Tangshan Yian constitute all of our operations, our loss of these technologies or equity interests in Sinovac Beijing 
and/or Tangshan Yian would materially and adversely affect our business operations and financial condition. 

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We became a public company through our acquisition of a public shell company, where we were the accounting acquirer and 
assumed all known and unknown potential liabilities of our predecessor entity. 

In September 2003, we engaged in a share exchange with Net-Force Systems Inc. This transaction was accounted for as a reverse 
merger in which Sinovac Biotech Co., Ltd. was deemed the accounting acquirer and Net-Force, which was originally incorporated in 
1999, was the legal acquirer. Although we disposed of all the assets and liabilities of Net-Force to a company controlled by its then 
president and CEO, we cannot guarantee that we will not be liable for any liabilities related to the conduct by Net-Force of its business 
prior to its acquisition by us. 

We depend on our key personnel, the loss of whom would adversely affect our operations. If we fail to attract and retain the talent 
required for our business, our business will be materially harmed. 

We are a small company with 668 full-time employees as of December 31, 2014 and we depend to a great extent on principal 
members of our management and scientific teams. If we lose the services of any key personnel, in particular Mr. Weidong Yin, our 
President and Chief Executive Officer, the loss could significantly impede the key decision making on strategic choices and operational 
issues, which in turn will harm our business achievement. We do not currently have any key man life insurance policies. We have 
entered into employment agreements with our executive officers, under which they have agreed to restrictive covenants relating to non-
competition and non-solicitation. These employment agreements do not, however, guarantee that we will be able to retain the services 
of our executive officers in the future. In addition, recruiting and retaining additional qualified scientific, technical and managerial 
personnel and research partners will be critical to our success. Competition among biopharmaceutical and biotechnology companies for 
qualified employees in China is intense and turnover rates are high. There is currently a shortage of employees in China with expertise 
in our areas of research and clinical and regulatory affairs, and this shortage is likely to continue. We may not be able to retain existing 
personnel or attract and retain qualified staff in the future. If we fail to hire and retain personnel in key positions, we may be unable to 
develop or commercialize our product candidates in a timely manner. 

We may encounter difficulties in managing our growth, which could adversely affect our results of operations. 

We have experienced a period of rapid and substantial growth and, if such growth continues, will continue to place a strain on our 
administrative and operational infrastructure. We also plan to introduce new products to market that, if successful, could place a strain 
on our administrative and operational infrastructure. If we are unable to manage this growth effectively, our business, results of 
operations or financial condition may be materially and adversely affected. Our ability to manage our operations and growth effectively 
requires us to continue to improve our operational, financial and management controls, reporting systems and procedures and hiring 
programs. We may not be able to successfully implement these required improvements. 

International expansion may be costly, time consuming and difficult. If we do not successfully expand internationally, our growth 
strategy and prospects would be materially and adversely affected. 

We have entered into selected international markets and intend to continue to expand the sales of our products into new 

international markets. In expanding our business internationally, we have entered, and intend to continue to enter, markets in which we 
have limited or no experience and in which our brand may be less recognized. To further promote our brand and generate demand for 
our products so as to attract distributors in international markets, we expect to spend significantly more on marketing and promotion 
than we do in our existing domestic markets when appropriate. We may be unable to attract a sufficient number of distributors, and our 
selected distributors may not be suitable for selling our products. Furthermore, in new markets, we may fail to anticipate competitive 
conditions that are different from those in our existing markets. These competitive conditions may make it difficult or impossible for us 
to effectively operate in these markets. If our expansion efforts in existing and new internal markets are unsuccessful, our growth 
strategy and prospects would be materially and adversely affected. 

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We are exposed to other risks associated with international operations, including: 

•                  political instability; 

•                  economic instability and recessions; 

•                  changes in tariffs; 

•                  difficulties of administering foreign operations generally; 

•                  limited protection for intellectual property rights; 

•                  obligations to comply with a wide variety of foreign laws and other regulatory approval requirements; 

•                  increased risk of exposure to terrorist activities; 

•                  financial condition, expertise and performance of our international distributors; 

•                  export license requirements; 

•                  unauthorized re-export of our products; 

•                  potentially adverse tax consequences; 

•                  inability to effectively enforce contractual or legal rights; and 

•                  exchange rate fluctuation, devaluation of foreign currencies. 

We may undertake acquisitions which may have a material adverse effect on our ability to manage our business and may end up 
being unsuccessful. 

Our growth strategy may involve the acquisition of new production lines, technologies, businesses, products or services or the 
creation of strategic alliances in areas in which we do not currently operate. These acquisitions could require that our management 
develop expertise in new areas, new geographies, manage new business relationships and attract new types of customers. Furthermore, 
acquisitions may require significant attention from our management, and the diversion of our management’s attention and resources 
could have a material adverse effect on our ability to manage our business. We may also experience difficulties integrating acquisitions 
into our existing business and operations. Future acquisitions may also expose us to potential risks, including risks associated with: 

•                  the integration of new operations, services and personnel; 

•                  unforeseen or hidden liabilities; 

•                  the diversion of resources from our existing businesses and technologies; 

•                  our inability to generate sufficient revenue to offset the costs of acquisitions; 

•                  potential loss of, or harm to, relationships with employees or customers, any of which could significantly disrupt our ability to 
manage our business and materially and adversely affect our business, financial condition and results of operations; and 

•                  impairment of intangible assets acquired. 

We may be unable to ensure compliance with United States economic sanctions laws, especially when we sell our products to 
distributors over which we have limited control. 

The U.S. Department of the Treasury’s Office of Foreign Assets Control, or OFAC, administers certain laws and regulations that 

impose penalties upon U.S. persons and, in some instances, foreign entities owned or controlled by U.S. persons, for conducting 
activities or transacting business with certain countries, governments, entities or individuals subject to U.S. economic sanctions, or U.S. 
Economic Sanctions Laws. We will not use any proceeds, directly or indirectly, from sales of our common shares, to fund any activities 
or business with any country, government, entity or individual with respect to which U.S. persons or, as appropriate, foreign entities 
owned or controlled by U.S. persons, are prohibited by U.S. Economic Sanctions Laws from conducting such activities or transacting 
such business. However, we sell our products in international markets through independent non-U.S. distributors which are responsible 
for interacting with the end-users of our products. We may not be able to ensure that such non-U.S. distributors comply with all 
applicable U.S. Economic Sanctions Laws. Moreover, if a U.S. distributor conducts activities or transacts business with a country, 
government, entity or individual subject to U.S. economic sanctions, such actions may violate U.S. Economic Sanctions Laws. As a 
result of the foregoing, actions could be taken against us that could materially and adversely affect our reputation and have a material 
and adverse effect on our business, financial condition, results of operations and prospects. 

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Failure to comply with the U.S. Foreign Corrupt Practices Act and other applicable anti-corruption laws could subject us to 
penalties and other adverse consequences and corrupt practices by our competitors may place us at a competitive disadvantage. 

Our executive officers, employees and other agents may violate applicable law in connection with the marketing or sale of our 

products, including the U.S. Foreign Corrupt Practices Act, or the FCPA, and applicable anti-corruption law in China and other 
jurisdictions in which our products are sold or registered for sale. The FCPA generally prohibits United States issuers from engaging in 
bribery or other prohibited payments to foreign officials for the purpose of obtaining or retaining business and requires issuers to 
maintain reasonable internal controls. The PRC also strictly prohibits bribery of government officials. We have adopted a policy 
regarding compliance with the FCPA and other applicable anti-corruption laws to prevent, detect and correct such corrupt practice. 
However, corruption, extortion, bribery, pay-offs, theft and other fraudulent practices occur from time-to-time in the PRC and the 
countries in which we seek to do business. While we have implemented measures to ensure compliance with the FCPA and other 
applicable anti-corruption laws by all individuals involved with our company, it is possible that our compliance policies and procedures 
may be insufficient or may fail to prevent our employees or other agents from engaging in inappropriate conduct for which we might be 
held responsible. If our employees or other agents are found to have engaged in such practices, we could suffer severe penalties and 
other consequences that may have a material adverse effect on our business, financial condition and results of operations. In addition, 
our brand and reputation, our sales activities or the price of our common shares could be adversely affected if we become the target of 
any negative publicity as a result of actions taken by our employees or other agents. 

In addition, there may be corrupt practices in the healthcare industry in China and other countries in which we conduct business. 

For example, in order to secure agreements with CDCs or hospitals in China, our competitors may engage in corrupt practices in order 
to influence decision-makers in violation of the anti-corruption laws of China and the FCPA. As competition persists and intensifies in 
our industry, we may lose potential clients, client referrals and other opportunities to the extent that our competitors engage in such 
practices or other illegal activities. 

We may become a passive foreign investment company, which could result in adverse United States federal income tax 
consequences to U.S. Holders of our common shares. 

Based on the market price of our common shares, the value of our assets and the composition of our income and assets, we do not 

believe we were a “passive foreign investment company,” or PFIC, for U.S. federal income tax purposes for our taxable year ended 
December 31, 2014. A non-U.S. corporation will be a PFIC for any taxable year if either (1) at least 75% of its gross income for such 
year is passive income or (2) at least 50% of the value of its assets (based on an average of the quarterly values of the assets) during 
such year is attributable to assets that produce passive income or are held for the production of passive income. We must make a 
separate determination after the close of each year as to whether we were a PFIC for that year. The composition of our income and 
assets will be affected by how, and how quickly, we use any cash we generate from our operations or raise in any offering. Because the 
value of our assets for purposes of the PFIC test will generally be determined by reference to the market price of our common shares, 
fluctuations in the market price of our common shares may cause us to become a PFIC for any subsequent year. If we are a PFIC for 
any year during which a U.S. Holder (as defined in “Item 10. Additional Information — E. Taxation — United States Federal Income 
Taxation”) holds our common shares, certain adverse U.S. federal income tax consequences could apply to such U.S. Holder. See “Item 
10. Additional Information — E. Taxation — United States Federal Income Taxation — Passive Foreign Investment Company.” 

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Negative publicity regarding vaccinations in China may lead to lower demand for vaccination, which could negatively affect our 
business, financial condition and results of operations. 

In December 2013, it was reported that several infants died shortly after receiving inoculations of hepatitis B vaccine produced by 

a domestic company in China. Although the CFDA and National Health and Family Planning Commission have determined that the 
inoculated hepatitis B vaccines comply with the applicable regulatory standards, such negative publicity may lead to lower demand for 
vaccination in China, which could in turn negatively impact the vaccine industry and our business, financial condition and results of 
operations. 

Risks Related to Government Regulation 

We may not be able to comply with applicable GMP guidelines and other regulatory requirements, which could have a material 
adverse effect on our business, financial condition and results of operations. 

We are required to comply with applicable GMP regulations, which include, among other things, requirements relating to 

personnel, premise and equipment, raw material and products, qualification and validation, documents management, production 
management, quality control and assurance and products distribution and recall. Manufacturing facilities must be approved by 
governmental authorities before they can be used to commercially manufacture our products and are subject to inspection by regulatory 
agencies. We have been required to comply with the new GMP standards implemented by CFDA since March 1, 2011. The new GMP 
standards are similar to EU GMP standards. All vaccine manufacturers were required to meet the new GMP standards and obtain 
certifications for their manufacturing facilities by December 31, 2013. Any manufacturer that failed to meet the deadline will be forced 
to suspend production. We have obtained the new GMP certificates for all of our commercial production facilities. However, we cannot 
assure you that we will be able to continue to meet the applicable GMP standards and other regulatory requirements in the future. 

If we fail to comply with applicable regulatory requirements at any stage during the regulatory process, including following any 

product approval, we may be subject to sanctions, including: 

•                  fines; 

•                  product recalls or seizure; 

•                  injunctions; 

•                  refusal of regulatory agencies to review pending market approval applications or supplements to approval applications; 

•                  total or partial suspension of production; 

•                  civil penalties; 

•                  withdrawals of previously approved marketing applications; and 

•                  criminal prosecution. 

We can only sell products that have received regulatory approval. Many factors affect our ability to obtain such approvals. 

Pre-clinical and clinical trials of our products, and the manufacturing and marketing of our technologies, are subject to extensive, 

costly and rigorous regulation by governmental authorities in the PRC and in other countries. Even if we complete pre-clinical and 
clinical trials successfully, we may not be able to obtain applicable regulatory approvals. We cannot market any product candidate until 
we have both completed our clinical trials and obtained the necessary regulatory approvals for that product candidate. 

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Conducting clinical trials and obtaining regulatory approvals are uncertain, time consuming and expensive processes. The process 

of obtaining required regulatory approvals from the CFDA and other regulatory authorities often takes many years and can vary 
significantly based on the type, complexity and novelty of the product candidates. For example, it took us approximately ten years to 
develop and obtain regulatory approval to commercialize Healive, and it took us five and a half years and four and a half years, 
respectively, to develop and obtain regulatory approval to commercialize Bilive and Anflu. 

There can be no assurance that all of the clinical trials pertaining to our vaccines in development will be completed within the 
timeframes currently anticipated by us. We could encounter difficulties in enrolling vaccinees for clinical trials or encounter setbacks 
while conducting clinical trials that result in delays or cancellation. Data obtained from pre-clinical and clinical studies are subject to 
varying interpretations that could delay, limit or prevent regulatory approval, and failure to observe regulatory requirements or 
inadequate manufacturing processes are examples of other problems that could prevent approval. In addition, we may encounter delays 
or rejections in the event of additional regulation from future legislation, administrative action or changes in the CFDA policy or if 
unforeseen health risks become an issue with the participants of clinical trials. Clinical trials may also fail at any stage. Results of early 
trials frequently do not predict results of later trials, and acceptable results in early trials may not be repeated. For these reasons, we do 
not know whether regulatory authorities will grant approval for any of our product candidates in the future. In addition, production 
permits for our products are valid for only five years and we need to apply for renewal six months prior to their expirations. The 
approving process for our renewal applications could be lengthy and there is no assurance that we will be granted renewal in a timely 
manner or at all. 

Delays in obtaining the CFDA or foreign approvals of our products could result in substantial additional costs and adversely affect 

our ability to compete with other companies. Even if regulatory approval is ultimately granted, there can be no assurance that we can 
maintain the approval or that the approval will not be withdrawn. Any approval received may also restrict the intended use and 
marketing of the product we want to commercialize. 

Outside the PRC, our ability to market any of our potential products is contingent upon receiving marketing authorizations from the 

appropriate foreign regulatory authorities. These foreign regulatory approval processes include all of the risks associated with the 
CFDA approval process described above and may include additional risks. 

Because the medical conditions that our vaccines are intended to prevent represent significant public health threats, we are at risk 
of governmental actions detrimental to our business, such as product seizure, compulsory licensing, resumed price controls and 
additional regulations. 

In response to a pandemic or the perceived risk of a pandemic, governments in the PRC and other countries may take actions to 

protect their citizens that could affect our ability to control the production and export of pandemic vaccines or otherwise impose 
burdensome regulations on our business. For example, an outbreak of influenza could subject our manufacturing locations to seizure by 
the PRC government. The PRC government may also grant compulsory licenses to allow competitors to manufacture products that are 
protected by our patents, use our technology developed using funds received from government agencies or resume its price control over 
vaccines although such control has recently been lifted in China. 

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We deal with hazardous materials that may cause injury to others. These materials are regulated by environmental laws that may 
impose significant costs and restrictions on our business. 

Our research and development programs and manufacturing operations involve the controlled use of potentially harmful 

biological materials and other hazardous materials. We cannot completely eliminate the risk of accidental contamination or injury to 
our employees or others from the use, manufacture, storage, handling or disposal of hazardous materials and certain waste products. In 
the event of contamination or injury, we could be held liable for any resulting damages, and any liability could exceed our resources or 
any applicable insurance coverage we may have. We are also subject to PRC laws and regulations governing the construction and 
operation of production facilities that may have an impact on the environment and the use, manufacture, storage, handling or disposal 
of hazardous materials and waste products, such as the PRC Environmental Impact Assessment Law, the PRC Prevention and Control 
of Water Pollution Law and the PRC Environmental Protection Law, as well as waste-disposal standards set by the relevant 
governmental agencies. It is likely that China will adopt stricter pollution controls as the country is experiencing increasingly serious 
environmental pollution. Although we passed an environmental examination of our facilities conducted in 2004 by the Beijing 
Municipal Environment Protection Bureau on our hepatitis A vaccine production line and passed the same examination on our 
seasonal flu vaccine production line and filling and packaging line in 2005 and 2008, respectively, we cannot assure you that we will 
continue to pass similar environmental examinations on any future production facilities that we may construct. In addition, according 
to the PRC Environmental Impact Assessment Law, after the approval of previous environmental impact assessment report, if there is 
any material change in the nature, scale, location, production technology used and measures adopted to prevent damages to ecology, 
new environmental impact assessment reports need to be filed for approval. We currently produce Bilive vaccine at our production 
facility for hepatitis A vaccine and produce Panflu and Panflu.1 vaccines at our production facility for seasonal flu or Anflu vaccine. 
We have also upgraded the capacity for our production facility for influenza vaccines. We have not filed new environmental impact 
assessment reports as we believe that the technologies and environmental impacts of the production, filling and packaging of 
additional vaccines are similar to those involved in the production of the vaccines that the lines were originally set up for. As a result, 
no material changes have occurred that would require the filing of new environmental impact assessment reports. However, there is no 
assurance that the relevant environment protection authorities will share the same view with us. If we fail to comply with applicable 
environmental laws and regulations or with the environmental conditions attached to our operating licenses, our operating licenses 
could be revoked and we could be subject to civil, criminal and administrative penalties. We may also have to incur significant costs 
to comply with future environmental laws and regulations. Moreover, we do not currently have a pollution and remediation insurance 
policy to mitigate against any risk related to environmental pollution or violation of environmental law. 

We have already obtained the approval of the environmental impact assessment report from the Beijing Municipal Environment 

Protection Bureau for the construction plan of our facilities in Changping District, Beijing. If we change the construction plan by 
adding any new facilities, we will need to obtain another approval of the environmental impact assessment report for the new 
facilities. If we fail to obtain such approval, we cannot commence our construction of the new facilities. 

Failure to commence development of land which we have been granted right to use within the required timeframe may cause us to 
lose our land use right. 

Sinovac Dalian was granted land use rights to two parcels of land, with an aggregate area of 95,686 square meters (approximately 

1,030,000 square feet) located in the Economic and Technical Development Zone of Dalian, Liaoning province by the local 
government. According to the relevant PRC regulations, a parcel of land may be treated as idle land if development of the land has not 
been commenced within one year after the commencement date stipulated in the land use rights grant contract or the issuance date of 
the construction land approval certificate. Land users can extend the deadline for commencing the construction work for one year. All 
of our facilities of Sinovac Dalian are located at one of the two parcels of the land with an aggregated area of 55,606 square meters 
(598,582 square feet). However, as of the date of this annual report, we have not commenced development of the other parcel of the 
land with 40,080 square meters (431,418 square feet), which Sinovac Dalian was granted the right to use. The PRC government may 
treat the land as idle land, in which case we may be required to pay idle land fees or penalties, change the intended use of the land, 
find another parcel of land, or even be required to forfeit the land to the PRC government, any of which would adversely affect our 
financial condition. 

Negative publicity regarding China-based companies listed in the United States may affect the trading price of our common shares 
and result in increased regulatory scrutiny of our business. 

In the past, litigation and negative publicity surrounding companies with operations in China that are listed in the United States 
have resulted in declining stock prices for such companies. Various equity research organizations have published reports on China-
based companies after examining 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 merit, could result in a diversion of our management’s attention from managing our core business, negative publicity, potential 
costs to defend ourselves against rumors, volatility and loss in the trading price of our common shares and increased directors’ and 
officers’ insurance premiums, any of which could materially and adversely affect our business, financial condition and results of 
operations. 

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Risks Related to Our Intellectual Property 

If we are unable to protect our technologies from competitors with patents or other forms of intellectual property protection, our 
business may be harmed. 

Our success depends, in part, on our ability to protect our proprietary technologies. We try to protect the technology that we 

consider important to our business by filing PRC patent applications and relying on trade secret and pharmaceutical regulatory 
protection. 

We have a total of 23 issued patents and a number of pending patent applications relating to our vaccines in China,for which our 
hepatitis A vaccine and seasonal influenza vaccine each have 3 issued patents for protection. The process of seeking patent protection 
in China can be lengthy and expensive and we cannot assure you that our pending patent applications, or any patent applications we 
may make in the future with respect to other products, will result in issued patents, or that any patents issued in the future will be able 
to provide us with meaningful protection or commercial advantage. Our patent applications may be challenged, invalidated or 
circumvented in the future. 

In addition to patents, we rely on trade secrets and proprietary know-how to protect our intellectual property. We have entered 
into confidentiality agreements (which include, in the case of employees, non-competition provisions) with many of our employees, 
consultants, outside scientific collaborators, sponsored researchers and other advisors. These agreements provide that all confidential 
information developed or made known to the individual during the course of the individual’s relationship with us is to be kept 
confidential and not disclosed to third parties except in specific circumstances. In the case of our employees, the agreements provide 
that all of the technology which is conceived by the individual during the course of employment is our exclusive property. These 
agreements may not provide meaningful protection or adequate remedies in the event of unauthorized use or disclosure of our 
proprietary information. In addition, it is possible that third parties could independently develop information and techniques 
substantially similar to ours or otherwise gain access to our trade secrets. 

We cannot assure you that our current or potential competitors, many of whom have substantial resources and have made 

substantial investments in competing technologies, do not have and will not develop products that compete directly with our products 
despite our intellectual property rights. 

Intellectual property rights and confidentiality protections in China may not be as effective as in the United States or other 
countries. Policing unauthorized use of proprietary technology is difficult and expensive, and we might need to resort to litigation to 
enforce or defend patents issued to us or to determine the enforceability, scope and validity of our proprietary rights or those of others. 
The experience and capabilities of PRC courts in handling intellectual property litigation varies, and outcomes are unpredictable. 
Further, such litigation may require significant expenditures of cash and management efforts and could harm our business, financial 
condition and results of operations. An adverse determination in any such litigation could materially impair our intellectual property 
rights and may harm our business, prospects and reputation. 

We may be exposed to infringement or misappropriation claims by third parties, which, if determined adversely to us, could cause 

substantial liabilities to us, or we may be unable to sell some of our products. 

Third parties may bring intellectual property infringement claims against us in the future. 

Our commercial success also depends significantly on our ability to operate without infringing the patents and other proprietary 
rights of third parties. Even after reasonable investigation, we may not know with certainty whether we have infringed upon a third 
party’s patent due to the complexity of patent claims, the inadequacy of patent clearance search procedures in the PRC and the fact 
that a third party may have filed a patent application without our knowledge while that product was under development by us. Patent 
applications are maintained in secrecy until their publication 18 months after the filing date. The publication of discoveries in the 
scientific or patent literature frequently occurs substantially later than the date on which the underlying discoveries were made and 
patent applications were filed. China, similar to many other countries, adopts the first-to-file system under which the first party to file 
a patent application (instead of the first to invent the subject invention) may be awarded a patent. There may also be technologies 
licensed to us or acquired by us that are subject to infringement, misappropriation or other claims by others which could damage our 
ability to rely on such technologies. 

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If a third party claims that we infringe upon its proprietary rights, any of the following may occur: 

•                  we may become involved in time-consuming and expensive litigation, even if the claim is without merit; 

•                  we may become liable for substantial damages for past infringement if a court decides that our technology infringes upon a 

competitor’s patent; 

•                  a court may prohibit us from selling or licensing our product without a license from the patent holder, which may not be 
available on commercially reasonable terms, if at all, or which may require us to pay substantial royalties or grant cross 
licenses to our patents; 

•                  we may have to reformulate our product so that it does not infringe upon others’ patent rights, which may not be possible or 

could be very expensive and time-consuming; and 

•                  we may be subject to injunctions prohibiting the manufacture and sale of our products or the use of our technologies. 

If any of these events occurs, our business will suffer and the market price of our common shares could decline. 

The success of our business may depend on licensing vaccine components from, and entering into collaboration arrangements 
with, third parties. We cannot be certain that our licensing or collaboration efforts will succeed or that we will realize any revenue 
from them. 

The success of our business strategy depends, in part, on our ability to enter into licensing and collaboration arrangements and to 

effectively manage the resulting relationships. Our ability to enter into agreements with commercial partners depends in part on our 
ability to convince them of the value of our technology and know-how. This may require substantial time and effort on our part. While 
we anticipate expending substantial funds and management effort, we cannot assure you that strategic relationships will result or that 
we will be able to negotiate additional strategic agreements in the future on acceptable terms, if at all. Furthermore, we may incur 
significant financial commitments to collaborators in connection with potential licenses and sponsored research agreements. In 
addition, we may not be able to control the areas of responsibility undertaken by our strategic partners and may be adversely affected 
should these partners prove unable to carry a product candidate forward to full commercialization or should they lose interest in 
dedicating the necessary resources toward developing any such product quickly. 

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Third parties may terminate our licensing and other strategic arrangements if we do not perform as required under these 

arrangements. Generally, we expect that agreements for rights to develop technologies will require us to exercise diligence in bringing 
product candidates to market and may require us to make milestone and royalty payments that, in some instances, could be substantial. 
Our failure to exercise the required diligence or make any required milestone or royalty payments could result in the termination of the 
relevant license agreement, which could have a material adverse effect on us and our operations. In addition, these third parties may 
also breach or terminate their agreements with us or otherwise fail to conduct their activities in connection with our relationships in a 
timely manner. If we or our partners terminate or breach any of our licenses or relationships, we may: 

•                  lose our rights to develop and market our product candidates; 

•                  lose patent and/or trade secret protection for our product candidates; 

•                  experience significant delays in the development or commercialization of our product candidates; 

•                  not be able to obtain any other licenses on acceptable terms, if at all; and 

•                  incur liability for damages. 

Licensing arrangements and strategic relationships in our industry can be very complex, particularly with respect to intellectual 
property rights. Disputes may arise in the future regarding ownership rights to technology developed by or with other parties. These 
and other possible disagreements between us and third parties with respect to our licenses or our strategic relationships could lead to 
delays in the research, development, manufacture and commercialization of our product candidates. These disputes could also result in 
litigation or arbitration, both of which are time-consuming and expensive. These third parties also may pursue alternative technologies 
or product candidates either on their own or in strategic relationships with others in direct competition with us. 

Any cessation or suspension of our collaborations with scientific advisors and academic institutions may increase our costs in 
research and development, lengthen our new vaccines development process and lower our efficiency in new products development.

We work with scientific advisors and academic collaborators who assist us in some of our research and development efforts.  
Some of our pre-clinical and research programs are heavily reliant upon such collaborators and we generally benefit considerably from 
the resources, technology and experience these collaborations can provide. These scientists are not, however, our employees and may 
have other commitments that limit their availability to us. If a conflict of interest arises between their work for us and their work for 
another entity, we may lose the services of these scientists and institutions. Any cessation or suspension of our collaborations with 
scientific advisors and academic institutions may increase our research and development costs, lengthen our new vaccines 
development process and lower our efficiency in new products development. In addition, although our scientific advisors and 
academic collaborators generally sign agreements not to disclose our confidential information, it is possible that valuable proprietary 
knowledge may become publicly known which would compromise our competitive advantage. 

We may lose the right to use “科兴” (Kexing) on our vaccine products and/or as part of our trade name. 

We currently use “科兴” (Kexing) as part of Sinovac Beijing’s Chinese trade name in the PRC. We also use “科兴” (Kexing) as 

part of the Chinese trade name of Sinovac Dalian in the PRC. Shenzhen Kexing currently owns the”科兴” trademark registered in 
China for Class 5 (Pharmaceuticals) under the International Classification of Goods and Services. To protect our interest in using “科
兴” in our trade name, we applied to register “科兴” in China for Class 42 (Scientific & Technological Services &Research) in 2006 
and the PRC Trademark Office of the State Administration for Industry and Commerce approved our application in 2010. The “科兴” 
trademark owned by Shenzhen Kexing has not been identified as “Well-known Trademark” by the relevant PRC authorities since we 
first started using “科兴” in the trade name of Sinovac Beijing in 2001. If the “科兴” trademark owned by Shenzhen Kexing is ever 
officially identified as a “Well-Known Trademark”, however, we may be subject to trademark infringement claim for the use of “科
兴” in our trade name. Although the trademark application and the trade name approval systems are administered separately in China, 
it is possible that we may lose our ability to use the “科兴” trademark in our trade name due to a successful trademark infringement 
claim, which may adversely affect our ability to maintain and protect our brands, cause us to incur litigation costs and divert resources 
and management attention. 

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Risks Related to Doing Business in China 

Adverse changes in political, economic and other policies of the PRC government could have a material adverse effect on the 
overall economic growth of China, which could reduce the demand for our products and materially and adversely affect our 
competitive position. 

All of our business operations are conducted in China, and around 98.5% of our sales are currently made in China. Accordingly, 

our business, financial condition, results of operations and prospects are affected significantly by economic, political and legal 
developments in China. The Chinese economy differs from the economies of most developed countries in many respects, including: 

•                  the extent of government involvement; 

•                  the level of development; 

•                  the growth rate; 

•                  the control of foreign exchange; 

•                  the allocation of resources; 

•                  an evolving regulatory system; and 

•                  lack of sufficient transparency in the regulatory process. 

While the Chinese economy has experienced significant growth in the past 20 years, growth has been uneven, both geographically 

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

The Chinese economy has been transitioning from a planned economy to a more market-oriented economy. Although in recent 
years the PRC 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 sound corporate governance in business enterprises, a substantial 
portion of the productive assets in China is still owned by the Chinese government. The continued control of these assets and other 
aspects of the national economy by the PRC government could materially and adversely affect our business. The PRC government 
also exercises significant control over Chinese economic growth through the allocation of resources, controlling payment of foreign 
currency-denominated obligations, setting monetary policy and providing preferential treatment to particular industries or companies. 
Efforts by the PRC government to slow the pace of growth of the Chinese economy could result in hospitals spending less, which in 
turn could reduce demand for our products. 

Moreover, the political relationship among foreign countries and China is subject to sudden fluctuation and periodic tension. 
Changes in political conditions in China and changes in the state of foreign relations are difficult to predict and could adversely affect 
our product export and international collaborations. This could lead to a decline in our profitability in the future. 

Although the Chinese economy has grown significantly in the past decade, that growth may not continue, as evidenced by the 
slowing of the growth of the Chinese economy since 2012. Any adverse change in the economic conditions or government policies in 
China could have a material adverse effect on overall economic growth and the level of healthcare investments and expenditures in 
China, which in turn could lead to a reduction in demand for our products and consequently have a material adverse effect on our 
businesses. 

Future changes in laws, regulations or enforcement policies in China could adversely affect our business. 

Laws, regulations and enforcement policies in China, including those regulating our business, are evolving and subject to future 

change. Future changes in laws, regulations or administrative interpretations, or stricter enforcement policies by the PRC government, 
could impose more stringent requirements on us, including fines or other penalties. Changes in applicable laws and regulations may 
also increase our operating costs. Compliance with such requirements could impose substantial additional costs or otherwise have a 
material adverse effect on our business, financial condition and results of operations. These changes may relax some requirements, 
which could be beneficial to our competitors or could lower market entry barriers and increase competition. Further, regulatory 
agencies in China may, sometimes abruptly, change their enforcement practices. Therefore, prior enforcement activity, or lack of 
enforcement activity, is not necessarily predictive of future actions. Any enforcement actions against us could have a material and 
adverse effect on us and the market price of our common shares. In addition, any litigation or governmental investigation or 
enforcement proceedings in China may be protracted and may result in substantial cost and diversion of resources and management 
attention, negative publicity, damage to our reputation and decline in the price of our common shares. 

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We rely on dividends paid by our PRC subsidiaries for our cash needs. If they are unable to pay us sufficient dividends due to 
statutory or contractual restrictions on their abilities to distribute dividends to us, our various cash needs may not be met. 

We are a holding company, and we rely on the dividends paid by our PRC subsidiaries, including majority-owned subsidiary, 
Sinovac Beijing, our wholly owned subsidiaries, Tangshan Yian and Beijing Sinovac R&D Technology Co., Ltd. (formerly known as 
Sinovac Biological), or Sinovac R&D, and our 55%-owned subsidiary, Sinovac Dalian, for our cash needs, including the funds 
necessary to pay any dividends and other cash distributions to our shareholders, service any debt we may incur and pay our operating 
expenses. The payment of dividends in the PRC is subject to limitations. Regulations in the PRC currently permit payment of 
dividends by our PRC subsidiaries only out of accumulated profits as determined in accordance with accounting standards and 
regulations in China. For instance, in accordance with the regulations in China, Sinovac Beijing, Sinovac Dalian, Tangshan Yian and 
Sinovac R&D are required to set aside at least 10% of its after-tax profits each year to contribute to its reserve fund until the 
accumulated balance of such reserve fund reaches 50% of the registered capital of each company. Sinovac Beijing, Sinovac Dalian, 
Tangshan Yian and Sinovac R&D are required to set aside, at the discretion of their respective board of directors, a portion of their 
annual income after taxes to their employee welfare and bonus funds. These funds reduce the ability of the subsidiaries to pay 
dividend in cash. In addition, if Sinovac Beijing, Sinovac Dalian, Tangshan Yian or Sinovac R&D (formerly known as Sinovac 
Biological) incurs debt on its own behalf in the future, the instruments governing the debt may restrict either company’s ability to pay 
dividends or make other distributions to us. 

Restrictions on currency exchange may limit our ability to receive and use our revenues effectively. 

We receive over 98% of our revenues in renminbi, which currently is not a freely convertible currency. A portion of our revenues 

may be converted into other currencies to meet our foreign currency obligations, including, among others, payment of dividends 
declared by our subsidiaries. Under China’s existing foreign exchange regulations, Sinovac Beijing, Sinovac R&D, Tangshan Yian 
and Sinovac Dalian are able to pay dividends in foreign currencies without prior approval from the State Administration of Foreign 
Exchange, or the SAFE, by complying with certain procedural requirements. However, we cannot assure you that the PRC 
government will not take future measures to restrict access to foreign currencies for current account transactions. 

Our PRC subsidiaries’ ability to obtain foreign exchange is subject to significant foreign exchange controls and, in the case of 
amounts under the capital account, requires the approval of and/or registration with PRC government authorities, including the SAFE. 
In particular, if we finance our PRC subsidiaries by means of foreign currency from us or other foreign lenders, the amount is not 
allowed to exceed the difference between the amount of total investment and the amount of the registered capital as approved by the 
Ministry of Commerce and registered with the SAFE. Further, such loans must be registered with the SAFE. If we finance our PRC 
subsidiaries by means of additional capital contributions, the amount of these capital contributions must first be approved by the 
relevant government approval authority. These limitations could affect the ability of our PRC subsidiaries to obtain foreign exchange 
through debt or equity financing. 

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Fluctuation in the value of the renminbi may have a material adverse effect on your investment. 

The value of the renminbi against the U.S. dollar, Euro and other currencies is affected by, among other things, changes in 
China’s political and economic conditions and China’s foreign exchange policies. The PRC government allows the renminbi to 
fluctuate within a narrow and managed band against a basket of certain foreign currencies. In recent years, the exchange rate between 
the renminbi and U.S. dollar has been relatively stable and consequently the renminbi has sometimes fluctuated sharply against other 
freely traded currencies, in tandem with the U.S. dollar. The PRC government indicated that it will make the foreign exchange rate of 
the renminbi more flexible and widen the trading band of renminbi, which increases the possibility of sharp fluctuations in renminbi’s 
value in the future as well as the unpredictability associated with renminbi’s exchange rate. There remains significant international 
pressure on the PRC government to adopt an even more flexible currency policy, which could result in further and more significant 
fluctuations of the renminbi against foreign currencies. As the majority of our costs and expenses are denominated in renminbi, a 
resumption of the appreciation of the renminbi against the U.S. dollar would further increase our costs in U.S. dollar terms. In 
addition, as our operating subsidiaries in China receive revenues in renminbi, any significant depreciation of the renminbi against the 
U.S. dollar may have a material adverse effect on our revenues in U.S. dollar terms and financial condition, and the value of, and any 
dividends payable on, our common shares. For example, to the extent that we need to convert U.S. dollars into renminbi for our 
operations, appreciation of the renminbi against the U.S. dollar would have an adverse effect on the renminbi amount we receive from 
the conversion. Conversely, if we decide to convert our renminbi into U.S. dollars for the purpose of making payments for dividends 
on our common shares or for other business purposes, appreciation of the U.S. dollar against the renminbi would have a negative 
effect on the U.S. dollar amount available to us. 

Our business benefits from certain government tax incentives. Expiration, reduction or elimination of these incentives will 
increase our tax expenses and in turn decrease our net income. 

Pursuant to the PRC Enterprise Income Tax Law, or the EIT Law, and its implementation rules, both domestic companies and the 
foreign invested enterprises, or the FIEs, are subject to a unified income tax rate of 25%. Tax exemption or reduction with fixed terms 
enjoyed by enterprises including us will continue until the expiry of the prescribed period. Preferential tax treatments will continue to 
be granted to high and new technology enterprises that conduct business in encouraged sectors, whether FIEs or domestic companies. 
Sinovac Beijing reconfirmed its “High and New Technology Enterprises,” or HNTE, status and obtained the corresponding certificate 
in 2014 for a period of three years. As a result, subject to satisfaction of applicable criteria as confirmed by the competent authorities, 
Sinovac Beijing was entitled to a reduced enterprise income tax, or EIT, rate of 15% from 2014 to 2016. The PRC government could 
eliminate any of these preferential tax treatments before their scheduled expiration. Expiration, reduction or elimination of such tax 
incentives will increase our tax expenses and in turn decrease our net income. 

The EIT Law could affect tax exemptions on dividends received by us and increase our enterprise income tax rate. 

We are incorporated under the laws of Antigua and Barbuda. Under the EIT Law and its implementation rules, if we are deemed 

as a non-PRC tax resident enterprise without an office or premises in the PRC, withholding tax at the rate of 10% will be applicable to 
dividends received by us from Tangshan Yian, unless the tax is entitled to reduction or elimination in accordance with any future PRC 
laws or regulations or an applicable tax treaty between the PRC and Antigua and Barbuda. As of the date of this annual report, 
Antigua and Barbuda has not entered into any such tax treaties with the PRC. According to the Arrangement between Mainland of 
China and Hong Kong Special Administrative Region Arrangement on the Avoidance of Double Taxation and the Prevention of Fiscal 
Evasion with Respect to Taxes on Income agreed between China and Hong Kong in August 2006, dividends paid by a foreign-
invested enterprise in China to its direct holding company in Hong Kong will be subject to withholding tax at a rate of no more than 
5% (if the Hong Kong investor owns directly at least 25% of the shares of the foreign-invested enterprise for a period of greater than 
12 months), or otherwise 10%. In 2009, Sinovac Biotech (Hong Kong) Ltd., or Sinovac Hong Kong, paid 10% withholding tax rate on 
the dividend received from Sinovac Beijing due to the holding period of the subsidiary less than 12 months from the date of the 
transfer the ownership of Sinovac Beijing to Sinovac Hong Kong. In May 2012, Sinovac Hong Kong was granted the status of 5% 
withholding tax on dividends from Sinovac Beijing for three years from 2012 to 2014. The granted status is subject to regular 
administrative review procedure applicable to the approving tax authority. We are not certain that we will enjoy the same preferential 
tax status after the period when we re-apply in accordance with the tax regulations because there may be changes in conditions or tax 
regulations. 

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In addition, the EIT Law provides that, if an enterprise incorporated outside the PRC has its “de facto management organization” 

located within the PRC, such enterprise may be recognized as a PRC tax resident enterprise and thus may be subject to enterprise 
income tax at the rate of 25% on its worldwide income. Under the implementation rules of the EIT Law, “de facto management 
organization” means the organization which is essentially in charge of overall management and control with respect to the operation, 
personnel, books and accounts, and assets of the enterprise in question. As substantially all members of our management are located in 
the PRC, we may be deemed a PRC tax resident enterprise and therefore be subject to an enterprise income tax rate of 25% on our 
worldwide income, although the dividends that we receive from our PRC subsidiaries would be exempt from PRC withholding tax if 
we are recognized as a PRC tax resident. 

Under the EIT Law, dividends payable by us and gains on the disposition of our shares may be subject to PRC taxation. 

If we were considered a PRC resident enterprise under the EIT Law, our shareholders who are deemed non-resident enterprises 

may be subject to the EIT at the rate of 10% upon the dividends payable by us or upon any gains realized from the transfer of our 
shares, if such income is deemed derived from China, provided that (i) such foreign enterprise investor has no establishment or 
premises in China, or (ii) it has an establishment or premises in China but its income derived from China has no real connection with 
such establishment or premises. If we were required under the EIT Law to withhold PRC income tax on our dividends payable to our 
non-PRC enterprise shareholders, or if any gains realized from the transfer of our shares by our non-PRC enterprise shareholders were 
subject to the EIT, such shareholders’ investment in our shares would be materially and adversely affected. 

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

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 PRC residents to register with the 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 PRC 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 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 events. In the event that a PRC shareholder holding interests in a special purpose vehicle fails to fulfill the required SAFE 
registration, the PRC 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 PRC subsidiary. Moreover, failure to comply with the various SAFE registration 
requirements described above could result in liability under PRC law for evasion of foreign exchange controls. According to the 
Notice on Further Simplifying and Improving Policies for the Foreign Exchange Administration of Direct Investment released on 
February 13, 2015 by SAFE, local banks will examine and handle foreign exchange registration for overseas direct investment, 
including the initial foreign exchange registration and amendment registration, under SAFE Circular 37 from June 1, 2015. However, 
since this notice has not yet come into force, there exist high uncertainties with respect to its interpretation and implementation by 
governmental authorities and banks. 

Mr. Weidong Yin has made the required SAFE registration with respect to his investments in our company. However, we may not 

be aware of the identities of all of our beneficial owners who are PRC residents. We do not have control over our beneficial owners 
and cannot assure you that all of our PRC-resident beneficial owners will comply with SAFE Circular 37 and subsequent 
implementation rules. The failure of our beneficial owners who are PRC residents to register or amend their foreign exchange 
registrations in a timely manner pursuant to SAFE Circular 37 and subsequent implementation rules, or the failure of future beneficial 
owners of our company who are PRC residents to comply with the registration procedures set forth in SAFE Circular 37 and 
subsequent implementation rules, may subject such beneficial owners or our PRC subsidiaries to fines and legal sanctions. 
Furthermore, since SAFE Circular 37 was recently promulgated and it is unclear how this regulation, and any future regulation 
concerning offshore or cross-border transactions, will be interpreted, amended and implemented by the relevant PRC government 
authorities, 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 PRC subsidiaries and limit our PRC 
subsidiaries’ ability to distribute dividends to our company. These risks may have a material adverse effect on our business, financial 
condition and results of operations. 

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Any failure to comply with PRC regulations regarding our employee equity incentive plans may subject the PRC plan 

participants or us to fines and other legal or administrative sanctions. 

Pursuant to SAFE Circular 37, PRC residents who participate in share incentive plans in overseas non-publicly-listed companies 

due to their position as director, senior management or employees of the PRC subsidiaries of the overseas companies may submit 
applications to SAFE or its local branches for the foreign exchange registration with respect to offshore special purpose companies. 
Our directors, executive officers and other employees who are PRC residents and who have been granted options and restricted shares 
may follow SAFE Circular 37 to apply for the foreign exchange registration before our company becomes an overseas listed company. 
After our company becomes an overseas listed company upon completion of this offering, we and our directors, executive officers and 
other employees who are PRC residents and who have been granted options will be 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 stock incentive plan of an overseas publicly listed company who are PRC residents 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. Failure to complete the SAFE registrations may subject them to fines and legal sanctions and may also limit the 
ability to make payment 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 PRC law. 

In addition, the State Administration for Taxation has issued circulars concerning employee share options or restricted shares. 
Under these circulars, employees working in the PRC who exercise share options, or whose restricted shares or restricted share units, 
or RSUs, vest, will be subject to PRC individual income tax. The PRC 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, restricted shares or RSUs. If the employees fail to pay, or the PRC subsidiaries 
fail to withhold, their income taxes according to relevant laws, rules and regulations, the PRC subsidiaries may face sanctions imposed 
by the tax authorities or other PRC government authorities. 

PRC regulation of loans and direct investment by offshore holding companies to PRC entities may delay or prevent us from 
making loans or additional capital contributions to our PRC operating subsidiaries and affiliated entities. 

In funding our PRC subsidiaries, we must comply with PRC legal requirements relating to foreign debt registration and to PRC 
foreign-investment companies’ “registered capital” and “total investment.” “Registered capital” refers to the capital contributed to or 
paid into a PRC foreign-investment company in cash or in kind, and “total investment” refers to the amount of a PRC foreign-
investment company’s registered capital plus all external borrowings by such company. The amounts of a PRC foreign-investment 
company’s registered capital and total investment are set forth in the company’s constitutional documents and approved by the 
competent government authority in advance and, in the case of Sinovac Beijing and Sinovac Dalian, must be approved by their 
minority shareholders, Xiamen Bioway or Dalian Jin Gang Group, respectively, as well. 

Loans by us or Sinovac Hong Kong to Sinovac Beijing, Sinovac R&D (formerly known as Sinovac Biological), Tangshan Yian or 
Sinovac Dalian cannot exceed the difference between such company’s registered capital and total investment, unless the company has 
obtained the approval of the approval authority and, in the case of Sinovac Beijing or Sinovac Dalian, the approval of Xiamen Bioway 
or Dalian Jin Gang Group, respectively, also to increase the amount of total investment. Further, such loans must be registered with 
the SAFE or its local counterpart. 

We may also decide to finance our PRC subsidiaries by making additional capital contributions. These additional contributions 
must be approved by the government approval authority and, in the case of Sinovac Beijing or Sinovac Dalian, by Xiamen Bioway or 
Dalian Jin Gang Group, respectively, also. We cannot assure you that we will be able to obtain these government registrations or 
approvals, or the approval of Xiamen Bioway or Dalian Jin Gang Group, on a timely basis, if at all, with respect to future loans or 
additional capital contributions by us to our subsidiaries or affiliates. If we fail to receive such registrations or approvals, our ability to 
capitalize our PRC operations would be negatively affected, which could adversely and materially affect the liquidity of our 
subsidiaries and our ability to expand our business. 

Because we are incorporated under Antigua and Barbuda law, substantially all of our operations, property and assets are located 
in China and all of our directors and officers and substantially all of their assets are located outside of the United States, you may 
be unable to protect your shareholder rights under US law in a court in the United States. 

We are incorporated in Antigua and Barbuda. Our corporate affairs are governed by our articles of incorporation and by-laws and 

by the International Business Corporations Act and common law of Antigua and Barbuda. The rights of shareholders to take legal 
action against our directors, officers and us, actions by minority shareholders and the fiduciary responsibilities of our directors to us 
are to a large extent governed by the International Business Corporations Act and common law of Antigua and Barbuda. The common 
law of Antigua and Barbuda is derived in part from comparatively limited judicial precedent in Antigua and Barbuda as well as from 
English common law, which has persuasive, but not binding, authority on a court in Antigua and Barbuda. The rights of our 
shareholders and the fiduciary responsibilities of our directors under Antigua and Barbuda law are not as clearly established as they 
would be under statutes or judicial precedents in the United States. Among other things, Antigua and Barbuda has a less developed 
body of securities laws as compared to the United States, and provides significantly less protection to investors. Further, Antigua and 
Barbuda’s body of securities law, and the experience of its courts in addressing corporate and securities law issues of a type often 
experienced by public companies, is likely less developed than that of some of the other jurisdictions where publicly traded China-
based companies are incorporated, such as the Cayman Islands. 

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It may be difficult or impossible for you to bring an action against us or our directors or officers in Antigua and Barbuda or to 
enforce or protect your rights under U.S. securities laws or otherwise. Even if you are successful in bringing an action of this kind, you 
may be unable to enforce a judgment against our assets or the assets of our directors and officers under the laws of Antigua and 
Barbuda. 

There is doubt as to whether Antigua and Barbuda courts would enforce judgments of United States courts obtained in actions 
against us or our directors or officers that are predicated upon the civil liability provisions of the Securities Act, or in original actions 
brought against us or such persons predicated upon the Securities Act. There is no treaty in effect between the United States and 
Antigua and Barbuda providing for such enforcement, and there are grounds upon which Antigua and Barbuda courts may not enforce 
judgments of United States courts. In addition, Antigua and Barbuda corporations may not have standing to initiate a shareholder 
derivative action before the federal courts of the United States. 

PRC courts may recognize and enforce foreign judgments in accordance with the requirements of the PRC Civil Procedures Law 
based either on treaties between the PRC and the country where the judgment is made or on reciprocity between jurisdictions. If there 
are no treaties or reciprocity arrangements between the PRC and a foreign jurisdiction where a judgment is rendered, matters relating 
to the recognition and enforcement of the foreign judgment in the PRC may be resolved through diplomatic channels. The PRC does 
not have any treaties or other arrangements with the United States or Antigua and Barbuda that provide for the reciprocal recognition 
and enforcement of foreign judgments. As a result, it is generally difficult to enforce in the PRC a judgment rendered by a U.S. or 
Antigua and Barbuda court. 

As a result of all of the above, as well as the fact that substantially all of our property, assets and operations are located in China 
and all of our directors and officers and substantially all of their assets are located outside of the United States, you may be unable to 
protect your shareholder interests through actions against us or our management, directors or major shareholders. 

We may be adversely affected by the final outcome of the administrative proceedings brought by the SEC against Ernst & Young 
Hua Ming LLP and other accounting firms in China. 

In December 2012, the SEC initiated administrative proceedings against the China affiliates of five accounting firms, including 
our independent registered public accounting firm, Ernst & Young Hua Ming LLP, alleging that they refused to produce audit work 
papers and other documents related to certain China-based companies under investigation by the SEC for potential accounting fraud, 
and thus violated U.S. securities laws and SEC rules and regulations. On January 22, 2014, an SEC administrative law judge ruled in 
favor of the SEC, issuing an initial decision which censured each of the accounting firms for failure to provide their audit work papers 
to the SEC and ordered a six-month suspension of Ernst & Young Hua Ming LLP’s and the other China-based affiliates of the Big 
Four accounting firms’ right to practice before the SEC. On February 12, 2014, four of these PRC-based accounting firms appealed to 
the SEC against this decision. In February 2015, each of the four PRC-based accounting firms 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. The firms’ ability to continue to serve all 
their respective clients is not affected by the settlement. The settlement stays the current proceeding for four years, during which time 
the firms are required to follow detailed procedures to seek to provide the SEC with access to Chinese firms’ audit documents via 
China Securities Regulatory Commission (“CSRC”). If a firm does not follow the procedures, the SEC could impose penalties such as 
suspensions, or it could restart the administrative proceedings or commence a new, expedited administrative proceeding against the 
non-compliant firm. The settlement did not require the firms to admit to any violation of law and preserves the 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 
United States with major PRC operations may find it difficult or impossible to retain auditors in respect of their operations in the PRC, 
which could result in financial statements being determined to not 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, United States-listed companies and the market price of our common shares may be adversely 
affected. 

If, as a result of this or any other action, the SEC suspends the right of Ernst & Young Hua Ming LLP to practice before the SEC, 

our ability to file financial statements in compliance with SEC requirements could be impacted. If none of the China-based auditors 
are able to continue to act as auditors for Chinese companies listed in the U.S., we may not be able to meet the reporting requirements 
under the Exchange Act, which may ultimately result in our deregistration by the SEC and delisting from the NASDAQ Stock Market, 
which would substantially reduce or effectively terminate the trading of our common shares in the United States. Moreover, any 
negative news about the proceedings against these audit firms may erode investor confidence in China-based, United States listed 
companies and the market price of our common shares may be adversely affected. 

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We and our investors may be adversely affected by the inability of the Public Company Accounting Oversight Board (the 
“PCAOB”) to carry out inspections of Ernst & Young Hua Ming LLP and other accounting firms in China. 

Under the Sarbanes Oxley Act, auditors of companies whose shares are publicly traded in the United States, including our 
independent registered public accounting firm, Ernst & Young Hua Ming LLP, are required to register with the PCAOB and to 
undergo regular inspections by the PCAOB to assess compliance with applicable U.S. legal and accounting professional standards. As 
the PCAOB is currently unable to conduct inspections in China, Ernst & Young Hua Ming LLP has not yet been inspected by the 
PCAOB. PCAOB inspections of other audit firms in other jurisdictions have identified deficiencies in the audit and quality control 
procedures of those firms, which may be addressed to improve future audit quality. The inability of the PCAOB to conduct inspections 
of independent registered public accounting firms operating in China makes it more difficult to evaluate the effectiveness of our 
auditor’s audit or quality control procedures. As a result, investors in our common shares may have less confidence in our publicly 
reported financial information and procedures and the quality of our financial statements. In addition, the PCAOB may choose to 
impose sanctions or take other actions against Ernst & Young Hua Ming LLP, including suspending or revoking Ernst & Young Hua 
Ming LLP’s registration with the PCAOB. If Ernst & Young Hua Ming LLP and other China-based auditors are unable to maintain 
registration with the PCAOB, we may be unable to meet the ongoing reporting requirements under the Exchange Act, which 
ultimately may result in the termination of the registration of our common shares and ordinary shares under the Exchange Act or the 
delisting of our common shares from Nasdaq, or both, which would substantially reduce or effectively terminate the trading of our 
common shares in the United States. 

ITEM 4. INFORMATION ON THE COMPANY 

A.            History and Development of the Company 

Our legal and commercial name is Sinovac Biotech Ltd. Our principal executive offices are located at No. 39, Shangdi Xi Road, 
Haidian District, Beijing 100085, PRC. Our telephone number at this address is +86-10-8289-0088. Our registered address is located 
at The Colony House, 41 Nevis Street, St. John’s in Antigua and Barbuda. Our agent for service of process in the United States is Law 
Debenture Corporate Services Inc., located at 400 Madison Avenue, 4  Floor, New York. 

th

We are a holding company and conduct our business in China through our 73.09% majority-owned subsidiary, Sinovac Beijing, 
our wholly owned subsidiaries, Tangshan Yian, Sinovac R&D (formerly known as Sinovac Biological) and Sinovac Hong Kong, and 
our 55%-owned joint venture Sinovac Dalian. Sinovac Beijing was incorporated on April 28, 2001, Tangshan Yian was incorporated 
on February 9, 1993, Sinovac Hong Kong was incorporated on October 21, 2008, Sinovac R&D (formerly known as Sinovac 
Biological) was incorporated on May 7, 2009, and Sinovac Dalian was established on January 19, 2010. 

We were incorporated in Antigua and Barbuda on March 1, 1999. Before we adopted our current name on October 21, 2003, we 
were called Net-Force System Inc. and were primarily engaged in the online gaming business. We were quoted on the OTC Bulletin 
Board on February 21, 2003. In September 2003, we issued ten million new shares to Lily Wang, one of our then principal 
shareholders to acquire a 51% equity interest in Sinovac Beijing. Ms. Wang had contracted to purchase these shares from certain of 
Sinovac Beijing’s then shareholders for cash immediately before the above 51% share transfer. However, this 51% equity interest in 
Sinovac Beijing was transferred to us directly from those shareholders and was recorded under applicable PRC law transfer documents 
as a cash transaction. Lily Wang was responsible for paying the cash to those shareholders. The transfer of the Sinovac Beijing equity 
interest to us was registered and approved by PRC government authorities in August 2004. In September 2004, we acquired an 
additional 20.6% equity interest in Sinovac Beijing for approximately $3.3 million in cash. In October 2011, we further acquired an 
additional 1.53% equity interest in Sinovac Beijing through contributing the dividends declared to Sinovac Hong Kong but unpaid in 
amount of RMB 18.6 million ($3.1 million). We currently own 73.09% of the equity interest in Sinovac Beijing. 

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In January 2004, we entered into a share purchase agreement with Heping Wang and issued him 3.5 million of our common 
shares and a promissory note in the amount of $2.2 million to acquire from him a 100% equity interest in Tangshan Yian. Mr. Wang 
had contracted to purchase these shares from Tangshan Yian’s then two shareholders immediately before the above 100% share 
transfer. However, this 100% equity interest in Tangshan Yian was transferred to us directly from those shareholders and was 
recorded under applicable PRC law transfer documents as a cash transaction. Heping Wang was responsible for paying the cash to the 
two shareholders. The transfer of the Tangshan Yian equity interest by Mr. Wang to us was registered and approved by PRC 
government authorities in November 2004. 

In the first quarter of 2008, we issued and sold an aggregate of 2.5 million common shares at $3.90 per share to Sansar Capital 

Management. We received approximately $9.75 million in gross proceeds from this private placement of our common shares. 

In October 2008, we established Sinovac Hong Kong, a wholly owned subsidiary focused primarily on registering and 

distributing current and newly-developed vaccine products in Hong Kong and exporting our products abroad. In addition, Sinovac 
Hong Kong seeks research and development collaboration opportunities with third parties in Hong Kong. 

In November 2009, we entered into an agreement with Dalian Jin Gang Group to establish Sinovac Dalian. In January 2010, we 

established Sinovac Dalian which focuses on the research, development, manufacturing and commercialization of live attenuated 
vaccines, such as varicella and mumps vaccines for human use. Pursuant to the joint venture agreement, we made an initial cash 
contribution of RMB 60 million ($9.9 million) in exchange for a 30% equity interest in Sinovac Dalian and Dalian Jin Gang Group 
made an asset contribution of RMB 140 million ($23.1 million), including manufacturing facilities, production lines and land use 
rights, in exchange for the remaining 70% interest in Sinovac Dalian. In December 2010, we purchased an additional 25% equity 
interest in Sinovac Dalian from Dalian Jin Gang Group with a consideration of RMB 50 million ($8.3 million). We and Dalian Jin 
Gang Group currently own 55% and 45% equity interests in Sinovac Dalian, respectively. 

In February 2010, we closed a public offering of our common shares. We issued and sold 11.5 million common shares at the price 
of $5.75 per share. We received net proceeds of approximately $61.8 million, after deducting underwriting discounts and commissions 
and offering expenses payable by us. 

In February 2010, we entered into an agreement to acquire buildings, land use rights and utility facilities in Changping District, 
Beijing for a total consideration of approximately RMB 123.6 million ($20.4 million). As of December 31, 2012, we have paid off the 
consideration. We have completed the construction of a new warehouse, a new filling and packaging line and a production line for 
EV71 vaccine in compliance with the new GMP standards. 

In 2013, we increased the capital investment to Tangshan Yian with the total amount of $4 million that was borrowed by 

Tangshan from us in 2010. In the same year, we lent Tangshan Yian $1 million to be used for sales and marketing spending and other 
corporate purposes operational activities. In 2014, the board of directors passed a resolution to increase capital contribution to Sinovac 
Dalian in the amount of RMB 80 million ($12.9 million), which will increase Sinovac’s equity ownership from 55% to 68%. RMB 50 
million ($8.1 million) was provided through foreign debt first with the expectation of a debt to equity swap of the total amount after 
the remaining RMB 30 million is provided to Sinovac Dalian. 

For additional information regarding our principal capital expenditures, see “— D. Property, Plants and Equipment.” 

Investor inquiries should be directed to us at the address and telephone number of our principal executive offices set forth above. 

Our website is http://www.sinovac.com. The information contained on our website does not form part of this annual report. 

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B.                                    Business Overview 

We are a fully integrated China-based biopharmaceutical company that focuses on the research, development, manufacturing and 

commercialization of vaccines that protect against human infectious diseases including hepatitis A, hepatitis B, seasonal influenza, 
H5N1 and H1N1 pandemic influenza and mumps, as well as animal rabies. In 2002, we launched our first product, Healive, which 
was the first inactivated hepatitis A vaccine developed, produced and marketed by a China-based manufacturer. In 2005, we received 
regulatory approvals for the production of Bilive in China, a combined hepatitis A and B vaccine, and Anflu, a split viron influenza 
vaccine. In April 2008, we received regulatory approval for the production in China of our whole viron H5N1 pandemic influenza 
(avian flu) vaccine, which is the only vaccine approved for sale to the Chinese national vaccine stockpiling program. In 
September 2009, we were granted a production license for Panflu.1, which was the first approved vaccine in the world against the 
influenza A H1N1 virus (swine flu). In 2011, our animal rabies vaccine was approved by the Ministry of Agriculture for 
commercialization. In December 2011, Sinovac Dalian obtained the production license from the CFDA for its mumps vaccine product 
and launched the mumps vaccine in late 2012. Our pipeline consists of various vaccine candidates in the pre-clinical and clinical 
development phases in China. On December 23, 2010, we obtained the approval from the CFDA to commence human clinical trials of 
a vaccine against EV71. We have completed phase I, II and III clinical trials since 2011. In February 2014, the phase III clinical 
results of our EV71 vaccine were published online on The New England Journal of Medicine, or NEJM, which showed the efficacy of 
the vaccine against HFMD, or herpangina, was 94.8% among infants and young children. We filed NDA for our EV71 vaccine 
candidate in May 2013. Recently, an external expert panel was held and completed in November 2014. After the panel, we have 
submitted supplementary documentations to CFDA as required, and we are now waiting for the panel review results and the 
notification of site inspection from CFDA, a milestone process of NDA application. We obtained the approvals to conduct clinical 
trials of pneumococcal polysaccharide vaccine, pneumococcal conjugate vaccine, and rubella vaccine in May 2014, January 2015 and 
December 2014, respectively. 

Our Products 

We specialize in the sales, marketing, manufacturing, and development of vaccines for infectious disease with significant unmet 

medical need. Set forth below is a chart that outlines our current marketed products and those that we have developed or are 
developing. 

Product 

Healive 

Bilive 

Anflu 

Indication 

Pre-
clinical

File
IND

Obtain Clinical
Approval from
CFDA

  Phase I     Phase II 

   Phase III

  On sale

Hepatitis A 

Hepatitis A&B 

Influenza 

(1)

(2)

(3) 

Panflu Whole Viron Pandemic 
Influenza Vaccine 

Pandemic Influenza 
Virus 

Split Viron Pandemic Influenza 
Vaccine 

Pandemic Influenza 
Virus 

Panflu.1 

RabEnd 

Mumps Vaccine 

EV71 Vaccine 

Pneumococcal Polysaccharide 
Vaccine 

Pneumococcal Conjugate 
Vaccine 

Influenza A H1N1 
virus 

Rabies Virus (in 
animals) 

Mumps 

EV71 Virus 

Pneumococcus 

Pneumococcus 

Rubella Vaccine 

Rubella 

Varicella Vaccine 

Varicella-zoster 
virus (Herpes virus 
3, Human) 

Sabin Inactivated Polio Vaccine   

 Polio 

Hep B Vaccines 

Hepatitis B 

Hep A&B Vaccine(4) 

Hepatitis A&B 

(1)              Our Panflu whole viron pandemic influenza vaccine did not undergo phase III clinical trials because none were required by the 

relevant authorities in order to receive regulatory approval. 

(2)              Our Panflu split viron Pandemic Influenza Vaccine will not undergo phase III clinical trials because none were required by the 

relevant authorities in order to receive regulatory approval. 

(3)              Our mumps vaccine did not undergo clinical trials because none were required by the relevant authorities. 

  
  
  
  
  
  
  
 
 
 
  
  
  
  
  
  
  
 
  
  
  
   
   
  
 
  
    
   
   
  
 
  
  
  
   
   
  
 
  
    
   
   
  
 
  
  
  
   
   
  
 
  
    
   
   
  
 
  
  
  
   
   
 
 
  
    
   
   
  
 
  
  
  
   
   
 
 
  
    
   
   
  
 
  
  
  
   
   
  
 
  
    
   
   
  
 
  
  
  
   
   
  
 
  
    
   
   
  
 
  
  
  
   
 
  
 
  
    
   
   
  
 
  
  
  
   
   
  
 
  
    
   
   
  
 
  
  
  
   
   
  
 
  
    
   
   
  
 
  
  
  
   
   
  
 
  
    
   
   
  
 
  
  
  
   
   
  
 
  
    
   
   
  
 
  
  
  
   
   
  
 
  
    
   
   
 
  
  
  
   
   
  
 
  
    
   
   
  
 
  
  
  
   
   
  
 
  
    
   
   
  
   
   
(4) The new generation of hepatitis A&B combined vaccine is made from our proprietary hepatitis B vaccine with higher dosage 
component of 10µg (pediatric dosage) and 20µg (adult dosage). 

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•                  Healive. In May 2002, we obtained the final PRC regulatory approval for the production of Healive, the first inactivated 
hepatitis A vaccine developed in China. The hepatitis A virus, which is endemic in China and other developing countries, 
primarily impacts the liver by causing it to swell and preventing it from functioning properly. The disease is highly 
contagious and can be spread by close personal contact, by consuming contaminated food or by drinking water that has been 
contaminated by hepatitis A. According to the WHO, as no specific treatment exists for hepatitis A, prevention is the most 
effective approach against the disease. In February 2008, the PRC government included hepatitis A vaccine into its national 
immunization program, and announced plans to expand vaccination to newborns nationwide by the end of 2010. According 
to the NIFDC lot release records, 23.70 million doses of hepatitis A vaccines were approved and released in China for the 
year ended December 31, 2014. Administered intramuscularly, Healive is available in different doses for use by both adults 
(1.0 ml per dose) and children (0.5 ml per dose). Our production line to manufacture our hepatitis vaccines, Healive and 
Bilive, interchangeably has an aggregate combined production capacity of approximately 10 million doses annually. In 2014, 
2013 and 2012, we sold approximately 3.9 million, 4.1 million and 3.7 million doses of Healive, which generated 
approximately $26.5 million, $26.4 million and $20.1 million in revenues, respectively. Since we launched Healive in 2002, 
we have sold a total of approximately 45.5 million doses as of December 31, 2014. We are selling Healive in Mongolia, 
Nepal and Chile, and are currently seeking the regulatory approval to sell Healive in six countries. 

•                  Bilive. In June 2005, we obtained the final PRC regulatory approval for the production of Bilive, the first combined 

inactivated hepatitis A and B vaccine developed and marketed in China. Bilive is a combination vaccine formulated with 
purified inactivated hepatitis A virus antigen, which we manufacture, and recombinant (yeast) hepatitis B surface antigen, 
which we source from a third-party supplier. Bilive vaccinations must be privately paid by the recipients under China’s 
current vaccination program. Bilive is designed for boost immunization or for users in the private-pay market who prefer the 
convenience of one inoculation rather than two. Similar to hepatitis A, hepatitis B is endemic in China, a major disease 
worldwide and a serious global public health issue. A substantial percentage of people infected with the hepatitis B virus 
carry chronic or lifelong infections. The chronically infected are at a high risk of death from cirrhosis of the liver or liver 
cancer. Currently, we are the only supplier in China that produce a combined inactivated hepatitis A and B vaccine, and our 
market share in China, according to the NIFDC lot release records, is 100% in 2014. Bilive is available in different doses for 
use in both adults and children. The 1.0 ml dose is for non-immune adults and adolescents 16 years of age and older. The 0.5 
ml dose is for pediatric use in non-immune infants, children and adolescents from one year up to and including 15 years of 
age. The standard Bilive vaccination schedule consists of three doses. The second dose is administered one month after the 
first dose and the third dose is administered six months after the first dose. Booster vaccinations are recommended five years 
after the initial immunization. Our production line to manufacture our hepatitis vaccines, Healive and Bilive, interchangeably 
has an aggregate combined production capacity of approximately 10 million doses annually. In 2014, 2013 and 2012, we sold 
approximately 2.6 million, 2.5 million and 2.6 million doses of Bilive, which generated approximately $21.9 million, $20.8 
million and $19.8 million in revenues, respectively. 

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•                  Anflu. In October 2005, we received the final approval from the CFDA to produce our Anflu vaccine against influenza. We 
began marketing Anflu in September 2006. The primary influenza vaccine used worldwide is the split viron vaccine, which 
contains virus particles disrupted by detergent treatment. The market penetration of the seasonal flu vaccine in China is 
significantly below that in the developed markets. We are the first Influenza Vaccine Supply, or IVS, taskforce member from 
a developing country that collaborates with world-class partners in influenza vaccine research. Our Anflu vaccine is an 
inactivated split viron influenza vaccine formulated from three split inactivated viron solutions. Anflu is produced with the 
virus strains recommended by the WHO each year and, we believe, is the only flu vaccine, among all produced by other 
domestic manufacturers that do not contain preservatives. According to the NIFDC lot release records, 42.42 million doses of 
influenza vaccines were approved and released in China as of December 31, 2014. Our production line to manufacture our flu 
vaccines, Anflu, Panflu and Panflu.1, interchangeably has an annual production capacity of approximately 8 million doses of 
Anflu. We sold 3.4 million, 3.4 million and 2.9 million doses of Anflu in 2014, 2013 and 2012, which generated 
approximately $12.1 million, $12.2 million and $9.2 million in revenues, respectively. We are selling our Anflu in Mongolia, 
Mexico, Philippines, Tajikistan, and Bangladesh. In addition, we are currently seeking regulatory approval to sell Anflu in 
four countries. 

•                  Panflu. In April 2008, we were granted a production license for Panflu by the CFDA. Panflu is the only approved vaccine 
available in China against the H5N1 influenza virus although we received the virus strains at the same time as other 
manufacturers globally, which demonstrated our strong research and development capability. The vaccine is approved for 
supply within China to the Chinese national vaccine stockpiling program and may not be sold directly to the Chinese 
commercial market. Panflu is also registered for sale in the Hong Kong market. Our production line to manufacture our flu 
vaccines, Anflu, Panflu and Panflu.1, interchangeably has an annual production capacity of approximately 20 million doses 
of Panflu or 20 million doses of Panflu.1 given the yield of virus strain received from WHO. We produced Panflu for 
government reservation since 2008, and we started recognizing revenue in 2010. Our revenue from the sale of Panflu 
amounted to $0.2 million, $10.7 million and $nil in 2014, 2013 and 2012, respectively. 

•                  Panflu.1. In September 2009, we were granted a production license for Panflu.1 by the CFDA. Panflu.1 is the first approved 
vaccine in the world against the influenza A H1N1 virus. The outbreaks of influenza A H1N1 was caused by a new virus that 
had not been seen previously in either human beings or animals. We received orders of 20.97 million doses as of the date of 
this annual report. According to the NIFDC lot release records, we were ranked number two in market share in China in 2009 
and number three in 2010. Our production line to manufacture our flu vaccines, Anflu, Panflu and Panflu.1, interchangeably 
has an annual production capacity of approximately 20 million doses of Panflu or 20 million doses of Panflu.1. We started to 
sell Panflu.1 in September 2009. Our revenue from Panflu.1 amounted to approximately $14 million in 2011, and Panflu.1 is 
not likely to generate revenues in the foreseeable future. Panflu.1 is also registered for sale in Mexico. 

•                  Mumps vaccine. Mumps is a viral disease of the human species caused by mumps virus, which poses a significant threat to 
human health in the developing countries. According to the NIFDC, 9.2 million, 9.12 million and 4.49 million doses of 
vaccines for mumps were approved for sale in China in 2012, 2013 and 2014, respectively. In September 2012, we were 
granted a production license for mumps vaccine. We began to sell mumps vaccine in December of 2012 and no revenues 
were recognized in 2012. We sold approximately 1.7 million doses and 1.2 million doses of mumps vaccine in 2014 and 
2013 respectively, which generated approximately $2.2 million and $1.7 million in revenues in 2014 and 2013. 

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•                  Split viron pandemic influenza vaccine. Our split viron pandemic influenza vaccine has been developed in conjunction with 
our whole viron pandemic influenza vaccine. Split viron vaccines are considered to have a better safety profile than whole 
viron vaccines, both of which are for the governmental stockpiling program. This product has been developed to address the 
needs of young children, who may be more susceptible to adverse reactions to whole viron pandemic influenza vaccine than 
to a split viron vaccine. In November 2011, we were granted the production license of split viron pandemic influenza vaccine 
that is to be used among the teenagers aged from 12 to 17. 

•                  RabEnd. Animal rabies is the leading cause of transmission that results in human rabies. Animal vaccination can reduce the 

incidence of rabies in humans by reducing human contact with rabid animals. The vaccine is manufactured in Tangshan Yian. 
The product was approved for sales in September 2011. We sold 0.1 million, 0.2 million and 5000 doses of RabEnd in 2014, 
2013 and 2012, which generated approximately $0.2 million, $0.8 million and $50,000 in revenues, respectively. 

Our pipeline consists of vaccine candidates in the clinical and pre-clinical development phases in China, which is listed 

hereunder. 

•                  EV71 vaccine. EV71 causes HFMD among children under ten years old. HFMD is a common and usually mild childhood 

disease; however, HFMD caused by EV71 has shown a higher incidence of neurologic involvement, and a higher acute fatal 
incidence. There have been a number of outbreaks of HFMD caused by EV71 in the Asia-Pacific region since 1997 including 
in China, Malaysia, Singapore, Australia, Vietnam and Taiwan. According to the statistics from National Health and Family 
Planning Commission of China, from 2008 to 2014, more than 11 million cases of HFMD were reported, resulting in around 
3,208 reported fatalities in China. According to an epidemiological study, from 2008 to 2012, EV71 infection caused around 
80% of the severe cases and over 90% of the fatal cases and China CDC’s data for the first months of 2014 further proved the 
result above. There is no identified treatment for enterovirus infections and no vaccine is currently available. We started our 
research and development of the EV71 vaccine in 2008. In December 2009, the CFDA accepted our application to commence 
human clinical trials, which was the first clinical trial application for the EV71 vaccine in China. We obtained the approval 
from the CFDA to commence clinical trials on December 23, 2010 and initiated phase I clinical trial for EV71 vaccine on 
December 30, 2010. We completed phase I and II clinical trials in 2011. The phase III clinical trial was initiated in 2012 and 
completed in 2013, which showed our EV71 vaccine candidate has an efficacy rate of 94.8% against HFMD among infants 
and young children. In February 2014, the phase III clinical results of our EV71 vaccine were published online on NEJM, 
which showed the efficacy of the vaccine against HFMD, or herpangina, was 94.8% among infants and young children. 
Recently, an external expert panel was held and completed in November 2014. After the panel, we have submitted 
supplementary documentations to CFDA as required, and we are now waiting for the panel review results and the notification 
of site inspection from CFDA, a milestone process of NDA application. We have seven granted patents relating to the EV71 
vaccine in China. Our EV71 vaccine will primarily target children from 6 months old to five years old, who number 
approximately 80 million in China. 

•                  Pneumococcal polysaccharide vaccine. Pneumococcal polysaccharide vaccine, or PPV, is a vaccine used to prevent 

streptococcus pneumoniae (pneumococcus) infections, such as pneumonia and septicemia among adults aged 65 or older, 
adults with serious long-term health problems, smokers, and children older than two years with serious long-term health 
problems. We filed an application for clinical trials to the CFDA in February 2011 and obtained the approval to commence 
clinical trials in May 2014. 

•                  Pneumococcal conjugate vaccine. Pneumococcal infection is a leading cause of serious illness in children and adults 

throughout the world. The disease is caused by a common bacterium, the pneumococcus, which can attack different parts of 
the human body. According to the WHO, pneumococcal disease is the leading vaccine-preventable killer of children under 
five years old in the world. At least one million children die of pneumococcal disease every year, most of whom are young 
children in developing countries. Since the U.S. commenced vaccination programs against this disease, the pneumococcal 
disease incidence has decreased by 94% in the U.S. Currently, in China, there is only one imported vaccine product against 
this diseases. No domestic producer has been licensed to supply this vaccine. Our pneumococcal conjugate vaccine will 
primarily target children two years old or under, who number approximately 32 million in China. We obtained the clinical 
trials license in January 2015. 

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•                  Rubella vaccine. Rubella is a disease caused by the rubella virus and an acute infection is usually associated with the 

symptoms of fever and systemic rash. The clinical license is granted in December, 2014. Further development of this vaccine 
candidate depends on the progress of developing a measles, mumps and rubella vaccine, or MMR vaccine. 

•                  Varicella vaccine. Varicella is a highly contagious infectious disease caused by the varicella-zoster virus (herpesvirus 3, 

Human). It usually affects children, is spread by direct contact or respiratory route via droplet nuclei and is characterized by 
the appearance on the skin and mucous membranes of successive crops of lesions that are easily broken and become scabbed. 
Varicella is relatively benign in children, but may be complicated by pneumonia and encephalitis in adults. According to the 
NIFDC lot release records, 16.6 million doses of varicella vaccines were approved and released in China in 2014, compared 
to 17.6 million doses in 2013. We had completed the pre-clinical studies of a human vaccine against varicella. The clinical 
trial application was filed with CFDA in January 2013. 

•                  Sabin Inactivated Polio Vaccine. Poliomyelitis (polio) is a highly infectious viral disease, which mainly affects young 

children. The virus is transmitted  by person-to-person spread mainly through the fecal-oral route or, less frequently, by a 
common vehicle (e.g. contaminated water or food) and multiplies in the intestine, from where it can invade the nervous 
system and can cause paralysis.   One in 200 infections leads to irreversible paralysis (usually in the legs). Among those 
paralyzed, 5-10% die when their breathing muscles become immobilized. In developing countries around the globe including 
China, oral polio vaccine (OPV) is widely utilized to eradicate polio. Although OPV is considered safe and effective, in 
extremely rare instances, the live attenuated vaccine virus in OPV can cause paralysis, resulting in cases of vaccine-
associated paralytic polio (VAPP) or circulating vaccine-derived poliovirus (cVDPVs). Therefore, to eliminate the risk of 
such cases, OPV will be phased out from routine immunization programs around the world.  To enable countries to maintain 
immunity levels, inactivated polio vaccines (IPV) will be introduced. Sabin IPV is both safer to manufacturer and potentially 
more affordable as compared to the currently available Salk IPV. The global demand for IPV is increasing as the Global 
Polio Eradication Initiative has called for IPV to be introduced into 126 countries currently using OPV only by the end of 
2015. According to Eradication and Endgame Strategic Plan developed under the Global Polio Eradication Initiative, from 
2014 to 2018, the use of OPV in routine immunization will be gradually ceased. On April 3, 2014, we entered into a non-
exclusive license agreement with The Institute for Translational Vaccinology or INTRAVACC, a governmental institute 
working under the Dutch Ministry of Public Health, Welfare and Sports, to develop and commercialize the Sabin Inactivated 
Polio Vaccine or sIPV for distribution in China and other countries. In collaboration with INTRAVACC, we have completed 
the pre-clinical study and submitted the application for clinical trials to CFDA in October 2014. 

•                  Hepatitis B vaccine. Hepatitis B is a potentially life-threatening liver infection caused by the hepatitis B virus. It is a major 
global health problem. It can cause chronic liver disease and chronic infection and puts people at high risk of death from 
cirrhosis of the liver and liver cancer. We have completed pre-clinical studies and filed clinical trial application in 
December 2014. 

•                  New generation of hepatitis A & B vaccine. The new generation combination vaccine will contain a higher dosage of the 
hepatitis B component, 10µg and 20µg for pediatric and adult formulations, respectively, to enhance the vaccine’s 
immunogenicity. Sinovac is developing a new generation of its hepatitis A&B combination vaccine based on its individual 
hepatitis A and B vaccines. Currently, we have completed the pre-clinical studies and filed clinical trial application in late 
December of 2014. 

Research and Development 

We have established a leadership position in the research and development of vaccines in China. Since our inception, we have 

successfully developed and marketed Healive, Bilive, Anflu, Panflu and Panflu.1, mumps vaccine and RabEnd, and have made 
significant advances in the prevention of SARS. We believe that we were the first company in the world to complete a phase I clinical 
trial of a SARS vaccine. In addition, our avian influenza vaccine product, Panflu, is the only approved vaccine available in China 
against the H5N1 influenza virus. Our Panflu.1 is the first approved vaccine in China and the world against the influenza A H1N1 
virus. We believe our R&D capabilities provide us with a key competitive advantage. We intend to continue to focus our research and 
development efforts on developing vaccines for infectious diseases with significant unmet medical needs, such as EV71, as well as the 
vaccine products with extensive market demand in China and other developing countries, such as pneumococcal vaccines and 
varicella vaccine. 

We started our research and development of EV71 vaccine in 2008 and obtained the approval to commence clinical trials from 
the CFDA on December 23, 2010. Three phases of clinical trial were completed in 2013. New Drug Application (or NDA) was filed 
with CFDA in May 2013 and technical trial is ongoing. External penal review for NDA approval was completed in November 2014 
and supplementary dossier submission was completed in late January 2015, after being required at the end of 2014. 

In 2008, we initiated the research and development of pneumococcal conjugate vaccine and pneumococcal polysaccharide 

vaccine, among other vaccines. We have completed the preclinical studies on pneumococcal conjugate vaccine and pneumococcal 
polysaccharide vaccine. The applications for commencing human clinical studies were submitted to the CFDA in 2011. We obtained 
approval to commence clinical trials for pneumococcal polysaccharide vaccine and pneumococcal conjugate vaccine in May 2014 and 
January 2015, respectively. 

In 2008, we restructured our R&D team in Beijing to better utilize our scientific and personnel resources. In 2009, we built an 
R&D center of approximately 13,300 square feet in the campus of our Beijing headquarter to meet our R&D demand. In 2011, we 
built a lab of 6,778 square feet, which is focused on maintaining quality control of our pipeline products. 

In order to achieve our R&D goal, part of our R&D strategy is to focus on in-house development and to establish collaborations 
with domestic and international partners on technology and virus strains licensing. We have entered into collaborations with a group 
of leading universities, colleges and research institutes that have strong vaccine research capabilities and proven track records in 
China. In most cases, we will own the commercial rights to the products that result from our existing R&D strategic collaborations. 

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The continuous investment in R&D is one of our strategies, which, we believe, will ensure the company’s future growth. Our 
research and development expenses were $11.0 million, $8.4 million and $17.0 million in 2014, 2013 and 2012, respectively. We have 
obtained financial support from the PRC government to conduct preclinical and clinical research of vaccines for government-
sponsored programs, including SARS, pandemic influenza, EV71, as well as pneumococcal conjugate vaccine. We received 
government research funding in the amount of $3.5 million, $0.8 million and $2.4 million in 2014, 2013 and 2012, respectively. 

Sales and Marketing 

Our sales strategy is to maintain our market share and competitive advantage in the private vaccine sales market in China while 

leveraging this strength to expand market share in the government-paid market. 

Although the overall vaccine market environment is challenging in 2014, total sales of our regular products increased 1.8% year 

over year 

We primarily rely on our own sales force to sell our products directly to CDCs in the private market. As of December 31, 2014, 
our in-house sales and marketing team consisted of 173 staff members located in 31 provinces and four municipal cities throughout 
China. We also collaborate with reputable and experienced distributors in regions that are not covered by our sales team. We enter into 
sales agreements with CDCs each time a CDC places a purchase order. Pursuant to the sales agreements, CDCs typically agree not to 
re-sell our products to regions outside the territory the pertinent CDC covers administratively. Our sales team maintains stable 
relationships with our customers by providing them with technical supports and trainings. We believe these efforts have contributed to 
our reputation for quality and brand awareness in the Chinese vaccine market. 

We intend to establish our presence, increase our sales to international markets and enhance awareness of our products outside of 

China. Our products are currently registered in Hong Kong (Panflu and Anflu), Mexico (Panflu.1 and Anflu), Nepal (Healive), 
Philippines (Anflu), Mongolia (Healive and Anflu), Chile (Healive and Anflu). We have already exported some of our products to 
seven countries, including Mongolia, Mexico, Philippines, Nepal, Tajikistan, Bangladesh and Chile. We are currently seeking 
regulatory approval to sell a number of our products in approximately 8 countries. We will continue to explore the globalization of our 
portfolio and develop products targeting other potential international markets where we believe we can be successful. 

Seasonality 

Our business is highly seasonal. For example, the influenza season generally runs from November through March of the next 
year, and the largest percentage of influenza vaccinations is administered between September and November of each year. As a result, 
we expect to realize most of our annual revenues from Anflu during this period. You should expect this seasonality in our business to 
contribute to significant quarterly fluctuations in our operating results. In the first quarter, our strong winter-season sales are usually 
offset by the slow-down of business during the Chinese New Year holiday season that effectively lasts more than half a month. During 
this holiday season, many businesses in China, including CDCs and most departments in hospitals are either closed or substantially 
reduce the level of their activities. See “Item 3. Key Information — D. Risk Factors — Risks Related to Our Company — Our 
business is highly seasonal. This seasonality will contribute to our operating results fluctuating considerably throughout the year.” 

Suppliers 

We obtain the raw materials from local and overseas suppliers. We generally maintain at least two suppliers for each key raw 
material, with the exception of hepatitis B antigens we use for Bilive production. We source hepatitis B antigens entirely from Beijing 
Temple of Heaven. We and Beijing Temple of Heaven agreed to enter into annual hepatitis B antigens supply agreements after our 
previous ten-year exclusive supply framework agreement expired in October 2012. Beijing Temple of Heaven supplied hepatitis B 
antigens to us from July 2013 to June 2014. After that, we entered into the current hepatitis B antigens supply agreement in July 2014, 
which will expire in June 2015. It is uncertain whether Beijing Temple of Heaven will continue to furnish us with hepatitis B antigens 
after the expiry of the agreement. Raw materials generally are in good supply and the prices we pay for them remain stable. We target 
to maintain our gross margin in the event of rising raw materials costs by improving our production processes and technical methods. 

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Manufacturing, Safety and Quality Assurance 

We have four manufacturing bases located in Haidian and Changping Districts of Beijing, Dalian City of Liaoning Province, and 

Tangshan City of Hebei Province. 

We have two upstream production facilities in Haidian District, Beijing. Our Healive and Bilive share the same production line, 

which has an aggregate annual capacity of 10 million doses. Our Anflu production line has an annual capacity of 8 million doses, 
which can also be used to produce 20 million doses of Panflu or Panflu.1 annually. Our Healive, Bilive and Anflu production facilities 
received their GMP certificates initially in March 2002, June 2005 and October 2005, respectively, and renewed their GMP 
certificates for another five years in 2008, 2010 and 2010, respectively. The upstream production plants for our hepatitis vaccines and 
flu vaccines in Haidian District have passed the new GMP certification and obtained the new GMP certificate on April 17, 2013. 

We have built a new production site in Changping District, Beijing, which comprises a new filling and packaging line that 
complies with the new PRC GMP standards, EV71 production facilities and a warehouse. The EV71 vaccine production line has a 
designed annual capacity of 20 million doses. The validation and commissioning for EV71 facility has been completed. We filed NDA 
for our EV71 vaccine in May 2013, which is under the technological review by CFDA. 

Our production site in Sinovac Dalian focuses on the research, development, manufacturing and commercialization of vaccines, 
such as varicella, mumps and rubella vaccines for human use. Sinovac Dalian has received its GMP certificate (2010 version) from the 
CFDA for its mumps vaccine in September 2012 and launched mumps vaccine, its first commercial product in late 2012. Sinovac 
Dalian also completed the pre-clinical research on human used varicella vaccine and filed the clinical trial application with CFDA in 
January 2013. We are currently preparing supplementary material for the clinical trial application as required following the expert 
panel review in November 2014. The production line for the varicella vaccine is also under construction. 

Our production site in Tangshan focuses on manufacturing animal vaccines. 

Each of our subsidiaries has its own quality assurance departments. The quality assurance department of each subsidiary plays a 

role to supervise the R&D, manufacturing, procurement, quality control, sales and marketing, and plant construction of its own 
subsidiary under the guidance of relating regulations and guidelines. Regular trainings or seminars are organized among QA 
departments of each subsidiary to share and exchange knowledge and experiences. 

Sinovac has built a detailed pharmacovigilance system. Pharmacovigilance system includes organization structure, 

documentation, working procedures and SOPs. The organization structure indicates staff and relevant responsibilities. According to 
requirements of competent authorities, we have reported the severe Adverse Event Following Immunization in time, and reported 
AEFI cases regularly. We summarize and analyze all safety information coming from post-marketing surveillance, phase Ⅳ clinical 
trials, safety studies and literatures, to make the risk-benefit evaluation annually, and to submit the PSUR(Periodic Safety Update 
Reports) to competent authorities regularly. Meanwhile, we are required to assist competent authorities to investigate on the AEFIs 
and provide the required information. 

Collaborations 

On April 3, 2014, we entered into a non-exclusive license agreement with The Institute for Translational Vaccinology or 
INTRAVACC, a governmental institute working under the Dutch Ministry of Public Health, Welfare and Sports, to develop and 
commercialize the Sabin Inactivated Polio Vaccine or sIPV for distribution in China and other countries. We expect to develop and 
commercialize the vaccine in China, as well as seeking regulatory approval in other countries. The agreement has a term of 50 years. 

We agreed to pay INTRAVACC license fee of up to net of PRC withholding tax $2,406 (€1.5 million), including an entrance fee 

and milestone payments upon achieving specific milestones. We also agreed to pay royalty payments in single digit on net sales 
generated worldwide from the product or products developed under the license agreement. We recorded an entrance fee of $0.7 
million (€0.5 million) excluding PRC withholding tax for the year ended December 31, 2014 as research and development expense. 
We also recorded $0.1 million (€0.1 million) for payment made to INTRAVACC for use of sIPV viral seeds in research and 
development expense, for the year ended December 31, 2014. 

We licensed from MedImmune, LLC, or MedImmune, certain rights to use patented reverse genetics technology pertaining to 
virus strain used for the production of Panflu (H5N1). We have agreed to pay an upfront license fee and to pay milestone payments of 
up to an aggregate of $9.9 million upon the achievement of certain amount of cumulative net sales of licensed products in China 
(including Hong Kong and Macau), as well as royalty payments in single digits of net sales of the licensed products in China 
(including Hong Kong and Macau). On August 15, 2012, we entered into amendment agreements with MedImmune in respect of four 
of our patent license agreements with MedImmune to, among other things, extend the effectiveness of each agreement to reflect 
revised termination dates between December 2015 and May 2021. License fee and royalties of $3.4 million accrued at the end of 2011 
was paid in 2012. No royalty payment was made in 2013. We made $0.9 million royalty payment in May 2014. 

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In March 2009, we entered into a technology transfer agreement with Tianjin CanSino Biotechnology Inc. or Tianjin CanSino, a 

third party company, to develop a 7-valent pneumococcal conjugate vaccine. According to the agreement, Tianjin CanSino will 
transfer the technology of a pneumococcal vaccine to us. The collaboration term under the technology transfer agreement is from the 
signing date to eight years after the first sales of the vaccine developed under the technology transfer agreement in the Chinese market. 
Under this technology transfer agreement, we agreed to make milestone payments of up to $3 million and royalty payment ranging 
from 6% to 10% for the net sales in Chinese market. Each of the future milestone payments is subject to certain conditions, including 
the PRC government approvals at different stages, which are uncertain. We also agreed to make royalty payments for eight years after 
the first sales of the vaccine developed under the technology transfer agreement in the Chinese market. The sales of the pneumococcal 
vaccine in the Chinese market are also subject to the PRC government approval. Both parties agreed to work together to develop 
international markets for the products. On November 9, 2009 and December 14, 2011, we entered into two amendments to the 
technology transfer of another six serotypes and related technology to us for $0.3 million to develop a 13-valent pneumococcal 
conjugate vaccine. As at December 31, 2014, we made total milestone payments of $1.2 million ($1 million under March 2009 
agreement and $0.2 million under the November 2009 and December 2011 amendments). On January 29, 2015, we entered into a third 
amendment to the technology transfer agreement dated March 12, 2009 and the first two amendment agreements dated November 17, 
2009 and December 24, 2011. By entering into this third amendment, the technology agreement was revised to be a licensing 
agreement. The remaining milestone payments under the agreements were reduced. Both Sinovac and CanSino are free to develop 
PCV vaccines or to collaborate with one other company for the same purpose. 

On August 18, 2009, we entered into a patent license agreement with the National Institutes of Health (“NIH”), an agency of the 

United States Public Health Services within the Department of Health and Human Services. NIH has granted the Company a non-
exclusive license to make and use certain of its products. NIH has also granted the Company the right to use certain associated 
information for development of its licensed products. The collaboration term under the patent license agreement is from August 18, 
2009 to the later of (a) the expiration of all royalty obligations under the licensed rights where such rights exist and (b) eight years 
after the first commercial sale by the Company, unless the agreement is terminated earlier per the provisions included therein. We 
agreed to pay NIH a license issue royalty of $0.1 million upon execution of the agreement and a non-refundable minimum annual 
royalty of $8,000, and royalty payments on net sales ranging from 1.5% to 4% depending on the sales territory and the customers. We 
also agreed to pay NIH benchmark royalties of $0.3 million upon achieving each benchmark as specified in the patent license 
agreement, including completion of clinical trials, obtaining regulatory approval for marketing, and achievement of commercial sales. 

In August 2005, we entered into a distribution agreement with Glovax C.V., a Dutch biopharmaceutical company with 
operations in Mexico, pursuant to which we appointed Glovax to be the exclusive distributor of our vaccine products in the Mexican 
market. We obtained the registration approval for our H1N1 vaccine in Mexico on October 13, 2009, and GMP license for both Anflu 
and Healive from Mexico government. In April 2013, we obtained the commercial license for our Anflu in Mexico. 

In December 2004, we signed a pandemic influenza vaccine co-development agreement with China CDC to jointly develop a 

pandemic influenza vaccine. Pursuant to this co-development agreement, we agreed, among other things, to conduct pandemic 
influenza vaccine R&D based on our established vaccine R&D technical platform and to apply for the new drug certificate, production 
license and patents for the pandemic influenza vaccine. China CDC agreed, among other things, to strategize development of the 
pandemic influenza vaccine, provide us with scientific guidance to vaccine technicalities and conduct certain pandemic related 
research and vaccine development-related analysis and testing. Both parties agreed to be responsible for certain specified expenditures 
associated with the vaccine development and to jointly apply for government R&D funds. However, the co-development agreement 
expressly provides that we will be the applicant for and owner of the future new drug certificate, production license and any patent or 
know-how in connection with the pandemic influenza vaccine. In return, we have agreed to fund and support China CDC’s influenza-
related investigation and other pandemic control efforts after we gain profits from the sale of pandemic influenza vaccines. The 
regulatory approval for production of our whole viron pandemic influenza vaccine was obtained in April 2008. 

Competition 

The pharmaceutical, biopharmaceutical and biotechnology industries both within China and globally are intensely competitive 
and are characterized by rapid and significant technological progress, and our operating environment is increasingly competitive. In 
recent years, the CFDA increased the quality standard of some vaccine products by issuing a new version of Pharmacopeia. As a 
result, some vaccine products manufactured by multinational companies can no longer be sold in China. According to the CFDA, 
there are approximately 40 vaccine companies in China, of which we believe approximately ten are our direct competitors. In addition, 
multinational companies have started to localize their vaccine production in China, which is expected to further intensify the 
competition. 

Even with the advent of private medical and healthcare insurance programs in China and the government vaccine purchase 
program’s expanded vaccine list, most Chinese citizens must pay for their own vaccines because these insurance programs do not 
typically cover vaccines and the government vaccine purchase program covers only infants and young children. We believe the 
consumer market is health conscious yet price sensitive and accordingly would favor our products over both cheaper but not enough 
high quality vaccines provided by local manufacturers and comparable quality but more expensive vaccines manufactured by some of 
our international competitors. Our competitors, both domestic and international, include large integrated multinational pharmaceutical, 
domestic state-owned entities and domestic private companies that currently engage in or have engaged in or may engage in efforts 
related to the discovery and development of new biopharmaceuticals and vaccines. Many of these entities have substantially greater 
research and development capabilities and financial, scientific, manufacturing, marketing and sales resources than we do, as well as 
more experience in research and development, clinical trials, regulatory matters, manufacturing, marketing and sales, although these 
advantages are not comprehensive. 

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There are multiple vaccine products approved for sale worldwide. Many of these vaccine products are marketed by our major 

competitors and are in the areas of hepatitis A, hepatitis B and influenza. Specifically, with respect to the inactivated hepatitis A 
vaccine, we consider Kunming Institute of Biological Product, Sanofi Pasteur and Merck Sharp & Dohme Corp. as key competitors in 
the China market, and GlaxoSmithKline Biologicals, and Changchun Institute of Biological Products for the markets outside of China. 
While in China, according to the batch release number published by NIFDC, over 70% of hepatitis A vaccines released in China are 
live attenuated vaccine, another type of hepatitis A vaccine compared to inactivated version, which is the biggest competitor for 
inactivated hepatitis A vaccine. The live attenuated hepatitis A vaccine manufacturers include Kunming Institute of Biological 
Product, Pukang Biological Co., Ltd., Changchun Institute of Biological Products and Changchun Changsheng Life Sciences Ltd. 
With respect to the hepatitis A and B vaccines, we are the only company to supply hepatitis A and B vaccine in China. Finally, with 
respect to the influenza vaccines, in China, we consider Hualan Biological Engineering Inc., Sanofi Pasteur S.A., Changchun Institute 
of Biological Products, Changchun Changsheng Life Sciences Ltd.,Aleph Biological Co., Ltd. (Dalian Yalifeng) and 
GlaxoSmithKline Biologicals as our major competitors and Sanofi Pasteur for the market outside of China. 

And for the upcoming EV71 vaccine against HFMD, which is under the regulatory approval process, there are three companies 
under the similar stage, who are Kunming Institute of Biological Product, China National Biotec Group Co., Ltd. and Sinovac. We 
consider Kunming Institute of Biological Product and China National Biotec Group Co., Ltd. as our major potential competitors. 

We believe we enjoy a number of advantages over our PRC domestic and multinational competitors. Generally, we believe that 

the principal competitive factors in the markets for our products and product candidates include: 

•                  safety and efficacy profile; 

•                  brand reputation; 

•                  ease of application; 

•                  product supply; 

•                  post-sales service. 

Intellectual Property and Proprietary Technology 

Protection of our intellectual property and proprietary technology is very important for our business. We rely primarily on a 
combination of trademark, patent and trade secret protection laws in China and other jurisdictions, as well as employee and third-party 
confidentiality agreements to safeguard our intellectual property, know-how and our brand. Our ability to protect and use our 
intellectual property rights in the continued development and commercialization of our technologies and products, operate without 
infringing the proprietary rights of others and prevent others from infringing our proprietary rights is crucial to our continued success. 
We will be able to protect our products and technologies from unauthorized use by third parties only to the extent that they are 
covered by valid and enforceable patents, trademarks or copyrights, or are effectively maintained as trade secrets, know-how or other 
proprietary information. 

We have a total of 23 issued patents and a number of pending patent applications relating to our vaccines in China, which our 

hepatitis A vaccine and seasonal influenza vaccine each have 3 issued patents for protection. 

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With respect to, among other things, proprietary know-how that is not patentable and processes for which patents are difficult to 
enforce, we rely on trade secret protection and confidentiality agreements to safeguard our interests. We believe that many elements of 
our vaccine products, clinical trial data and manufacturing processes involve proprietary know-how, technology or data that are not 
covered by patents or patent applications. We have taken appropriate security measures to protect these elements. We have entered 
into confidentiality agreements (which include, in the case of employees, non-competition provisions) with many of our employees, 
consultants, outside scientific collaborators, sponsored researchers and other advisors. These agreements provide that all confidential 
information developed or made known to the individual during the course of the individual’s relationship with us is to be kept 
confidential and not disclosed to third parties except in specific circumstances. In the case of our employees, the agreements provide 
that all of the technology which is conceived by the individual during the course of employment is our exclusive property and require 
our employees to assign to us all of their inventions, designs and technologies they develop during their terms of employment with us 
and cooperate with us to secure patent protection for these inventions if we wish to pursue such protection. 

We relied on administrative protection afforded new drugs through the monitoring period provided by the CFDA in the past. 
During the monitoring period, third parties’ applications for manufacturing or importing the same drug are not accepted by the CFDA. 
The administrative protection for Healive expired in December 2007 and Bilive expired in January 2008. We may get new drug 
protection for new products to be commercialized in China through the same way. 

We maintain 18 registered trademarks in China, including (i) Sinovac, (ii) Sinovac Chinese name and its logo, (iv) Healive, its 
Chinese name and logo, (v) Bilive and its Chinese name, (vi) Anflu and its Chinese name, (vii) Panflu, its Chinese name and the logo, 
(viii) PANFLU.1 and its Chinese name, and (ix) Chinese name of EV71 vaccine, (x) EV71Vac and EntV71. We have registered 
“Sinovac” trademark in Canada, Malaysia, Philippines and the United States. We have registered “Sinovac” as trademarks under the 
“Madrid international trademark registration system,” which can be used in the member countries of Madrid Union, including France, 
United Kingdom and Germany. Since the “Sinovac” trademark certificates of Columbia, India and Thailand have already been 
expired, we now deal with their renewal procedures.. 

We currently use “科兴” (Kexing) as part of Sinovac Beijing’s Chinese trade name in the PRC. We also use “科兴” (Kexing) as 

part of the Chinese trade name of Sinovac Dalian in the PRC. Shenzhen Kexing currently owns the “科兴” trademark registered in 
China for Class 5 (Pharmaceuticals) under the International Classification of Goods and Services. To protect our interest in using “科
兴” in our trade name, we applied to register “科兴”in China for Class 42 (Scientific & Technological Services & Research) in 2006 
and the PRC Trademark Office of the State Administration for Industry and Commerce approved our application in 2010. The “科兴” 
trademark owned by Shenzhen Kexing has not been identified as “Well-known Trademark” by the relevant PRC authorities since we 
first started using “科兴” in the trade name of Sinovac Beijing in 2001. If the “科兴” trademark owned by Shenzhen Kexing is ever 
officially identified as a “Well-Known trademark”, however, we may be subject to trademark infringement claim for the use of “科兴” 
in our trade name. Although the trademark application and the trade name approval systems are administered separately in China, it is 
possible that we may lose our ability to use the “科兴” trademark in our trade name due to a successful trademark infringement claim, 
which may adversely affect our ability to maintain and protect our brands, cause us to incur litigation costs and divert resources and 
management attention. As our brand name is becoming more recognized in the vaccine market, we are working to maintain, increase 
and enforce our rights in our trademark portfolio, the protection of which is important to our reputation and branding. 

We have registered our domain names, including www.sinovac.com.cn and www.sinovac.com, with the China Internet Network 

Information Center. 

Despite any measures we take to protect our intellectual property, we cannot assure you that unauthorized parties will not attempt 

to copy aspects of our products or manufacturing processes or otherwise infringe our proprietary technology or to obtain and use 
information that we regard as proprietary. 

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Insurance 

We maintain property insurance coverage with an annual aggregate insured amount of approximately RMB 473 million ($76.2 

million) to cover our property and facilities from claims arising from fire, earthquake, flood and a wide range of other natural 
disasters. Our worldwide product liability insurance of Healive, Bilive, Anflu and Panflu (excluding USA and Europe) from 
March 2014 to March 2015 is limited. Moreover, we do not carry liability insurance to cover liability claims that may arise from the 
incidents relating to the clinical trials of our vaccine products. Our insurance coverage may not be sufficient to cover any claim for 
product liability or damage to our fixed assets. We do not maintain any business interruption insurance. We are carrying worldwide 
product liability insurance for Healive, Bilive, Anfluand Panflu (excluding USA and Europe) from March 2014 to March 2015 with 
the premium of $53,000. We are currently negotiating with the insurance providers for a renewal of our product liabilities insurance 
policies. See “ITEM 3. Key Information — D. Risk factors—Risks related to our company—we could be subject to costly and time-
consuming product liability actions and carry limited insurance coverage.” 

Regulatory Framework of the Pharmaceutical Industry in the PRC 

The testing, approval, manufacturing, labeling, advertising and marketing, post-approval safety reporting, and export of our 

vaccine products or product candidates are extensively regulated by governmental authorities in the PRC and other countries. 

In the PRC, the CFDA regulates and supervises biopharmaceutical products under the Pharmaceutical Administration Law, the 
Implementing Regulations on Pharmaceutical Administration Law, the Administration of Registration of Pharmaceuticals Procedures, 
and other relevant rules and regulations which are applicable to manufacturers in general. Every step of our biopharmaceutical 
production is subject to the requirements on the manufacture and sale of pharmaceutical products as provided by these laws and 
regulations, including but not limited to, the standards of clinical trial, declaration, approval and transfer of new medicine 
registrations, applicable industry standards of manufacturing, distribution, packaging, advertising and pricing. 

Pre-clinical Studies. Pre-clinical studies include in-vitro laboratory evaluation of the product candidate, as well as in-vivo animal 
studies to assess the potential safety and efficacy of the product candidate. Pre-clinical studies must be conducted in compliance with 
Good Laboratory Practice for Non-clinical Studies of Pharmaceuticals, or GLP. With respect to vaccines, the pre-clinical studies 
should also comply with Technical Guidance for Pre-clinical Studies on Preventive Vaccines. We must submit file package for 
investigational new drug application, or IND, to the provincial level CFDA. The files should include pharmaceutical research, 
pharmacology and toxicology research, together with the records of manufacturing and testing and the sample of product candidate. 
We cannot commence clinical trials until we get approval of IND. We cannot assure that submission of an IND will result in the 
CFDA allowing clinical trials to begin, or that, once begin, issues will not arise that result in the suspension or termination of such 
clinical trials. 

Clinical trials. Clinical trials involve the administration of the product candidate to healthy volunteers or vaccinees under the 
supervision of principal investigators, who are generally physicians or an independent third party not employed by us or under our 
control. Clinical trials typically are conducted in three sequential phases, but the phases may overlap or be combined. In phase I, the 
initial introduction of the drug into human subjects, the drug is usually tested for safety (adverse effects), dosage tolerance, and 
pharmacologic action. Phase II usually involves studies in a limited vaccinee population to evaluate preliminarily the efficacy of the 
drug for specific, targeted conditions and to determine dosage tolerance, appropriate dosage and to identify possible adverse effects 
and safety risks. Phase III trials generally further evaluate clinical efficacy and test further for safety within an expanded vaccinee 
population. Clinical trials have to be conducted in compliance with the Good Clinical Trial Practice of Pharmaceuticals, or GCP. With 
respect to vaccines, we also have to comply with the CFDA’s Requirements on Application for Clinical Trial of New Preventive 
Biological Products. The sample vaccine products must be tested by the NIFDC before they may be used in the clinical trials. We or 
the CFDA may suspend clinical trials at any time on various grounds, including a finding that subjects are being exposed to an 
unacceptable health risk. 

After three phases of clinical trials, we apply for New Drug Application, or NDA. We submit to the provincial level CFDA the 

NDA file package, which includes clinical trial research report, pharmaceutical research data, and records of manufacturing and 
testing of three batches of product, to apply for a new drug certificate and/ or production license. For vaccines, we have to comply 
with the CFDA’s Guidelines for Clinical Trial Report on Vaccines. 

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New Drug Certificate. The provincial level CFDA will conduct a preliminary examination of our application for a new drug 
certificate. Once it decides to accept our application based upon such preliminary examination, the provincial level CFDA will, within 
five days, conduct an on-site examination on the circumstances of our clinical trials and pharmaceutical research. Then the provincial 
level CFDA will submit its opinion, together with our application materials, to the Centers for Drug Evaluation. The Centers for Drug 
Evaluation will review our application materials, and give their technical opinion to CFDA. The CFDA will decide whether or not to 
issue a new drug certificate to us. We consider obtaining the new drug certificate for our product candidates a significant milestone in 
our business. 

Production Permit. Simultaneously with the application of new drug certificate, we also apply to the provincial level CFDA for a 

production license to manufacture the new drug to be approved by the CFDA. The production license application will be examined 
with similar stage procedure as for the new drug certificate, first by the provincial level CFDA followed by the Centers for Drug 
Evaluation, and the CFDA the last. After the provincial level CFDA accepts the application, conducts the on-site examination and 
forms its opinion, the provincial level CFDA will transfer the file to the Centers for Drug Evaluation, and the Centers for Drug 
Evaluation will review the application files and give technical opinion. If the Centers for Drug Evaluation is satisfied with our 
application materials, it will notify us to apply for the on-site production inspection within six months after being so notified. The 
Center for Food and Drug Inspection will conduct an on-site inspection on our production procedures within 30 days after receipt of 
our application and take samples from three batches of our products, and the NIFDC will test the selected samples and later submit its 
testing reports to the Centers for Drug Evaluation. The Center for Food and Drug Inspection must submit the on-site production 
inspection report to Center for Drug Evaluation. The Centers for Drug Evaluation will form a comprehensive opinion based upon the 
technical review and evaluation opinion, the on-site production inspection report and the testing results of the samples, and submit its 
opinion and relevant materials to the CFDA. The CFDA will decide whether or not to issue the production permit to us. If the product 
approval and production approval both meet the criteria, the CFDA will issue the production permit together with the new drug 
certificate at the same time. The production permit is valid for a term of five years and must be renewed before its expiration. During 
the renewal process, our production facilities will be re-evaluated by the appropriate governmental authorities and must comply with 
the effective standards and regulations. 

Under certain circumstances, for instance, where drugs are developed to cure a disease without effective therapeutic methods, the 

CFDA provides a special proceeding for its review of the new drug certificate application and production permit application relating 
to such drugs. 

The CFDA will specify a monitoring period ranging from three to five years when approving the first production permit for most 

new drugs. During this monitoring period, the manufacturers holding the new drug certificates must regularly report, among other 
things, the production process, efficacy, stability and side effects of the new drugs involved to the provincial level CFDA. During the 
same period, the CFDA will not accept any new application for approval of the same drug involved. However, if a third party has filed 
an application for the same drug and obtained the clinical trial permit before the monitoring period commences, the third party may 
still obtain a new drug certificate and production permit for the same drug. 

We may also be required to conduct clinical trials prior to commencing the manufacturing of pharmaceutical products for which 

there are published state pharmaceutical standards. 

GMP Certificate. After receiving the on-site inspection notification for production permit, we should submit the GMP inspection 

application to the Center for Food and Drug Inspection as well. The Center for Food and Drug Inspection will arrange for the 
inspection on our facilities for both purposes of GMP inspection and production permit at the same time. If we pass the GMP 
inspection, CFDA will issue the GMP Certificate after we get the Production Permit. A GMP Certificate is used to approve the quality 
system, including quality assurance and quality control management, production management, material and product, qualification and 
validation, facility and equipment, etc. The CFDA has issued GMP standards for pharmaceutical manufacturers to minimize the risks 
arising out of the production process of drugs that will not be identified or eliminated through testing the final products. 

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A GMP Certificate is valid for five years and we should apply for a renewal of our GMP Certificate no later than six months prior 

to the expiration of our GMP Certificate. 

We cannot commence the manufacture of a new drug unless and until we have obtained a valid new drug certificate, production 

permit and GMP Certificate. 

Batch Approval. Our vaccine products cannot be distributed in the market before receiving batch approval. After we get the GMP 

certificate, we will start the commercial production, after which we need to apply for batch release approval by the NIFDC for the 
commercial lots. For each batch of products, we will provide samples taken from cold rooms by inspectors, together with 
manufacturing records, self-testing records and other quality control documents. The NIFDC will review the documents and test the 
samples and issue a batch approval within approximately two months if our manufacture procedures and the quality of our products 
meet CFDA standards. With the batch approval, we may distribute the approved batch of vaccines to the market. 

C.                                    Organizational Structure 

The following diagram illustrates our company’s organizational structure, and the place of incorporation, ownership interest and 

affiliation of each of our subsidiaries as of the date of this report. 

* Dalian Jin Gang Group Co., Ltd. owns the remaining 45% equity interest in Sinovac Dalian. 

** Xiamen Bioway Group Co., Ltd., owns the remaining 26.91% equity interest in Sinovac Beijing. 

*** The former name is Beijing Sinovac Biological Technology Co., Ltd. 

D.                                    Property, Plants and Equipment 

We are headquartered in the Peking University Biological Industry Park (Haidian) in Beijing in a 48,900 square-foot facility, of 
which approximately 16,700 square feet are used as office space and approximately 32,200 square feet are used for the production plant 
for Healive and Bilive, where the production equipment for hepatitis vaccines is located. We own the above-described 48,900-square-
foot facility in Beijing. In August 2004, we signed two 20-year leases with SinoBioway, pursuant to which we leased two buildings of 
approximately 28,000 and 13,300 square feet, respectively, located at the Peking University Biological Park in Beijing. We house our 
Anflu manufacturing and R&D center in these two buildings. One of the lease agreements was amended on August 12, 2010 to reflect 
an increase in lease payment. In June 2007, we signed another 20-year lease with SinoBioway, in order to expand Sinovac Beijing’s 
production facilities in Beijing, pursuant to which we leased one building of approximately 37,000 square feet, located at Peking 
University Biological Park. Part of our administrative offices and filling facilities are located in this building until 2013.The filling 
facilities were moved to Changping site in 2013, where we are setting up the commercial production facility for our pneumococcal 
vaccines. In September 2010, we entered into an agreement with SinoBioway, under which we lease a space of 6,778 square feet. The 
lease term is five years and we used it for our research and development function. On April 8, 2013, we entered into three supplemental 
agreements with SinoBioway, under which the expiration date of each of the four operating lease agreements was extended to April 7, 
2033. 

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We have two production lines located in the Peking University Biological Park (Haidian). Our production line to manufacture our 

hepatitis vaccines, Healive and Bilive, interchangeably has an aggregate combined production capacity of approximately 10 million 
doses annually. Our production line to manufacture our flu vaccines, Anflu, Panflu and Panflu.1, interchangeably has an annual 
production capacity of approximately 8 million doses of Anflu (northern hemisphere), or the equivalent of 20 million doses of Panflu or 
20 million doses of Panflu.1. In May 2013, our new filling and packaging line in Changping site was granted the new GMP certificate, 
after which we moved the filling and packaging activities to our Changping site. 

We conduct research and development and manufacturing of animal vaccines in a 40,000-square-foot facility in Tangshan, Hebei 
province. In Tangshan, we obtained a state-owned land use certificate of a parcel of granted land with an area of approximately 214,200 
square feet. We have obtained GMP license and production permission number for our animal rabies vaccine, which are valid for five 
years. 

In February 2010, we acquired a land use right of approximately 312,400 square feet of land located in Changping District, Beijing, 

or Changping Site, with five buildings with a total built-out area of 32,322 square meters (approximately 347,900 square feet) on 
29,021 square meters (for a total consideration of approximately RMB123.6 million ($20.4 million). We have made all required 
payments by December 31, 2012. We have built a new filling and packaging line, EV71 production facilities and a warehouse on the 
Changping site. The new filling and packaging line and warehouse commenced operation in May 2013 and December 2010, 
respectively. The EV71 vaccine production line has a designed annual capacity of 20 million doses. The validation and commissioning 
for EV71 facility has been completed. We filed NDA for our EV71 vaccine in May 2013, which is under the technological review by 
CFDA. Recently, an external expert panel review was held and completed in November 2014. After the panel review, we have 
submitted supplementary documentations to CFDA as required, and we are now waiting for the panel review results and the notification 
of site inspection from CFDA, a milestone process of NDA application. 

In November 2009, we entered into an agreement with Dalian Jin Gang Group to establish Sinovac Dalian. In January 2010, we 
established Sinovac Dalian which focuses on the research, development, manufacturing and commercialization of vaccines, such as 
varicella, mumps and rubella vaccines for human use. Sinovac Dalian has seven existing buildings with a total built-out area of 20,000 
square meters (approximately 215,280 square feet) on 95,685 square meters (approximately 1,030,000 square feet) of land, located at 
DD Port, Economic and Technical Development Zone, Dalian City, Liaoning province. Sinovac Dalian has received its GMP certificate 
(2010 version) from the CFDA for its mumps vaccine in September 2012. 

ITEM 4A. UNRESOLVED STAFF COMMENTS 

Not applicable. 

ITEM 5. OPERATING AND FINANCIAL REVIEW AND PROSPECTS 

You should read the following discussion and analysis of our financial condition and results of operations in conjunction with our 

consolidated financial statements and the related notes included elsewhere in this annual report on Form 20-F. This discussion may 
contain 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 set forth under 
“ITEM 3. Key Information — D. Risk Factors” or in other parts of this annual report on Form 20-F. 

A.                                    Operating Results 

Overview 

We are a fully integrated, China-based biopharmaceutical company that focuses on the research, development, manufacturing and 

commercialization of vaccines against infectious diseases. We have successfully developed a portfolio of products, consisting of 
vaccines against hepatitis A, hepatitis B, influenza viruses and mumps. The following table sets forth certain information on our 
commercialized products. 

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Products 
Healive 
Bilive 
Anflu 
(1) 
Panflu
Panflu.1
Mumps 
Rabend 

(1) 

Date of Approval

   May 2002 
June 2005 
   October 2005 
   April 2008 
   September 2009
   September 2012
   August 2011 

2014
3.9 million
2.6 million
3.4 million
40,000
nil
1.7 million
70,000

Number of Doses Sold 
2013 
4.1 million 
2.5 million 
3.4 million 
3.0 million 
nil
1.2 million 
0.2 million 

2012
   3.7 million
   2.6 million
   2.9 million
   nil
   nil
   nil
   5,000

(1)             We sold all of our Panflu and Panflu.1 products to the PRC government. Our sales of Panflu and Panflu.1 depend on the 
completion of government audit on our fulfillment to the stockpiling order. In 2014, 40,000 doses of Panflu products 
manufactured for the government stockpiling order were not used and expired. Sales of Panflu and Panflu. 1 generated revenues of 
$0.2 million in 2014. 

Our pipeline consists of various vaccine candidates in the pre-clinical and clinical development phases in China. We completed 
three phases of clinical trials on our EV71 vaccine and the phase III clinical results showed our EV71 vaccine candidate has an efficacy 
rate of 94.8% against HFMD among infants and young children. We filed NDA for our EV71 vaccine candidate in May 2013, which is 
under the technological review by CFDA. In addition, we filed applications to conduct clinical trials for pneumococcal conjugate 
vaccine, pneumococcal polysaccharide vaccine and rubella vaccine in early 2011. We filed an application for the clinical trial of 
varicella vaccine in January 2013. We obtained the approvals to conduct clinical trials of pneumococcal polysaccharide vaccine, 
pneumococcal conjugate vaccine, and rubella vaccine in May of 2014, January 2015, and December 2014, respectively. 

Our Proprietary Rights 

Healive was co-developed by Tangshan Yian and the NIFDC. In April 2001, Tangshan Yian contributed its proprietary rights to 

Healive to Sinovac Beijing as its capital contribution to Sinovac Beijing. In 2002, the NIFDC, Tangshan Yian and Sinovac Beijing 
agreed that Sinovac Beijing owns the right to market and sell Healive, and that Sinovac Beijing was required to pay the NIFDC 
approximately $1 million for the Healive technology consulting fee that Tangshan had not paid by that time. We obtained Healive’s 
new drug certificate from the CFDA in December 1999, the production license in May 2002, and final PRC regulatory approval for 
production of Healive in May 2002. Production of Healive commenced in July 2002. 

Bilive was initially developed by Tangshan Yian. In March 2002, Tangshan Yian and Beijing Keding entered into an agreement 
under which Tangshan Yian transferred to Beijing Keding its proprietary rights to Bilive at no cost. In August 2002, Sinovac Beijing 
acquired the proprietary rights to Bilive from Beijing Keding in consideration of a 10.7% equity interest in Sinovac Beijing and a cash 
payment of $18,000. Beijing Keding is owned by Dr. Weidong Yin and three other senior officers of Sinovac Beijing. We received the 
production license for Bilive from the CFDA in January 2005. In June 2005, we obtained the final PRC regulatory approval for 
production of Bilive. The cost of the proprietary rights to Bilive was expensed as purchased in-process research and development. 
Production of Bilive commenced in June 2005. 

In March 2003, Sinovac Beijing acquired the proprietary rights to Anflu from Tangshan Yian at the vendor’s cost. In 

November 2004, we completed the acquisition of 100% of the shares of Tangshan Yian. We received the final PRC regulatory approval 
for the production of Anflu in October 2005. The cost of the proprietary rights to Anflu was expensed as purchased in-process research 
and development. 

Sinovac Beijing started to research and develop the H5N1 vaccine in 2004. In 2004, Sinovac Beijing entered an agreement with the 

National Institute for Biological Standards and Controls, or NIBSC, an England based laboratory under the WHO, on transferring the 
H5N1 virus strain. According to the agreement, Sinovac Beijing as the recipient would receive the materials and information from 
NIBSC. The agreement indicated that Sinovac Beijing can only use received materials and information for academic in-house research 
purposes and Sinovac shall negotiate with the owner of reverse genetics technology pertaining to virus strain for any commercial 
purpose. In April 2008, Sinovac Beijing received a production license for H5N1 from the PRC government and started to produce 
H5N1 vaccines for the government-stockpiling program in June 2008. 

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In 2011, we licensed from MedImmune certain rights to use patented reverse genetics technology pertaining to virus strain 
production for H5N1 influenza vaccine. We have agreed to pay an upfront license fee, milestone payments up to an aggregate of $9.9 
million based upon the achievement of cumulative net sales of licensed products in China (including Hong Kong and Macau), as well 
as royalty payments in single digit of net sales of the licensed products in China (including Hong Kong and Macau).On August 15, 
2012, we entered into amended agreements with MedImmune to, among other things, extend the effectiveness of each agreement to 
reflect revised termination dates between December 2015 and May 2021. License fee and royalties of $3.4 million accrued at the end of 
2011 was paid in 2012. No payments were made in 2013. We made $0.9 million royalty payment to MedImmune in 2014. 

Amortization expense for these proprietary rights was $0.4 million, $0.4 million and $0.2 million in 2014, 2013 and 2012, 

respectively. 

Research and Development Programs 

The research and development strategy is developed by management and reviewed and approved by the board of the company. 
Leveraging resources and platform that each subsidiary has, R&D team of each subsidiary selects R&D project and develops feasibility 
analysis to be submitted for review and approval. Once the project is approved, we will track the R&D progress as well as the spending 
of each project in time. Each year all the ongoing R&D projects will be reviewed along with the budgeting for the following year. We 
also use our research and development resources, including employees and our technology, across multiple product development 
programs. The table below presents our best estimate of our total research and development costs allocable to our leading research and 
development programs for the periods indicated. We have allocated direct and indirect costs to each program based on certain 
assumptions and our review of the status of each program, payroll related expenses and other overhead costs based on estimated usage 
by each program. 

Research and development programs 
EV71 vaccine 
Pneumococcal polysaccharide vaccine 
Varicella vaccine 
sIPV 
Pneumococcal Conjugate Vaccine 
Mumps vaccine 
Others 
Total 

2014

Year ended December 31, 
2013
(in thousands) 

2012

1,521  
2,363
1,050
3,170  
682 
147
2,101
11,034 $

$

2,571   
440  
945  
187  
1,358   
227  
2,656  
8,384    $

10,889 
858
567
— 
1,715  
1,410
1,605
17,044

The process of developing, obtaining and maintaining regulatory approvals for new products is lengthy, expensive and uncertain. 

While the development may take years to complete, the market environment may change from the time when the project is selected, 
which will have an impact to the expected return of the investment. We anticipate that we will frequently monitor the progress of each 
key project and determine which of our early stage product candidates is best suited for further development, as well as how much 
funding to direct to each program, on an on-going basis in response to the scientific and clinical success and commercial potential of 
each product candidate. 

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EV71 vaccine against hand foot and mouth disease is our most important pipeline product. We completed three phases’ clinical 
trials for our EV71 vaccine and the clinical results showed that the vaccine has good safety, immunogenicity and efficacy profile. In 
February 2014, the phase III clinical results were published online on NEJM. The clinical results showed the efficacy of the vaccine 
against HFMD, or herpangina, was 94.8% among infants and young children. All the required documentation for the application of new 
drug certificate has been submitted to CFDA in May 2013. The preliminary review by CFDA was completed in November 2014, 
followed by an external panel review. The expenses of clinical trials are about RMB 75.8 million ($12.3 million). We have completed 
the construction of an EV71 vaccine production plant with total capital expenditure of $23.9 million accumulatively. 

We expect to obtain approval for the EV71 vaccine and launch to the market between 2015 and 2016. However, the risks and 

uncertainties of this pipeline product are identified as follows: 

•                  The technology used to produce the vaccine developed in the research and development stage may not meet the mass 

production requirements, therefore affecting the quality of the vaccine. 

•                  The requirement of CFDA for approving a vaccine might be changed by the regulator. The regulatory process might be 

delayed, which is out of management’s control. 

•                  The market demand for the vaccine will be diminished due to the reduced threat of hand, foot and mouth disease 

•                  The market share will be less than our competitors if the competitive product enters into the market earlier than us. 

Government Grants 

Deferred government grants represent funding received from the government for research and development, or investment in 

building or improving production facilities. The amount of deferred government grants as at year end is net of research and 
development expenditures or depreciation incurred or those recognized as government grant income. We received $3.5 million (RMB 
21.7 million) in 2014 (2013 - $0.8 million (RMB 5.2 million), 2012 - $0.9 million (RMB 5.9 million)), respectively. 

Deferred government grants included $1.5 million (RMB 9.1 million) represents the unamortized portion of the amount that we 
received in 2007 for construction of a pandemic influenza vaccine production facility of RMB 20 million (December 31, 2013- $1.8 
million (RMB 10.9 million)). $0.3 million (RMB 1.8 million) which will be amortized in 2015 was included in the current portion and 
$1.2 million (RMB 7.3 million) which will be amortized after 2015 was included in the non-current portion of the deferred government 
grants. The production facility grant requires the Company to have the entire facility available to manufacture pandemic influenza 
vaccines at any given moment upon request by the Chinese government. We have fulfilled the conditions attached to the government 
grant. Government grant relating to these production facilities of $0.3 million, $0.2 million and $0.3 million for the years ended 
December 31, 2014, 2013 and 2012, respectively, was recorded as a reduction to the related depreciation expenses. 

Deferred government grants also included $0.6 million (RMB 3.9 million) being the unamortized portion of the amount that we 
received in 2009 for purchasing equipment for H1N1 vaccine production with a total amount of RMB 6.2 million. The amount of $0.1 
million (RMB 0.9 million) which will be recognized in 2015 was included in the current portion and the amount of $0.5 million (RMB 
3.0 million) which will be recognized after 2015 was included in the non-current portion of deferred government grants. We have 
fulfilled the conditions attached to the government grant. Government grants relating to these production facilities of $0.1 million, $0.1 
million and $0.1 million for the years ended December 31, 2014, 2013 and 2012, respectively, were recorded as a reduction to the 
related depreciation expenses. 

Deferred government grants also included $81,000 (RMB 0.5 million) being the unamortized portion of the amount that we 
received in 2013 for purchasing equipment for H5N1 vaccine production. The amount of $16,000 (RMB 0.1 million) which will be 
amortized in 2015 was included in the current portion and the amount of $65,000 (RMB 0.4 million) which will be amortized after 
2015 was included in the non-current portion of deferred government grants. Government grant relating to the production facility of 
$16,000 for the year ended December 31, 2014 was recorded as a reduction to the related depreciation expenses. 

We received a government grant in the amount of $3.2 million (RMB 20 million) for equipment purchase and construction of the 
EV71 vaccine production facility. As of December 31, 2014, the Company has not fulfilled the conditions attached to the government 
grant. As we do not expect to fulfill the conditions within one year, the grant is recorded as a non-current government grant. 

Deferred government grants also include $1.5 million (RMB 9.5 million) that we received for research and development, as well as 

purchasing equipment for EV71 vaccine production. As of December 31, 2014, we have not fulfilled the conditions attached to the 
government grant. As we do not expect to fulfill the conditions within one year, the grant is recorded as a non-current government 
grant. 

Deferred government grants also include $0.7 million (RMB 4.5 million) in relation to four other research projects. As of 

December 31, 2014, the conditions attached to three government grants totaling $0.6 million (RMB 4 million) has not been fulfilled by 
us. As the Company does not expect to fulfill the conditions within one year, these grants are recorded as non-current deferred 
government grants (December 31, 2013 - $0.6 million (RMB 3.6 million)). We expect to fulfill the conditions attached to the fourth 
grant and therefore, recorded $81,000 (RMB 0.5 million) as a current government grant (December 31, 2013 - $83,000 (RMB 0.5 
million) in non-current government grant). 

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We received a loan of $1.9 million (RMB 12 million) bearing an interest rate of 0.36% per year from Beijing Zhongguancun 
Development Group. The fair value differential (between the face value and the fair value using the effective interest rate method at the 
our borrowing rate of 6.9%) is recorded as a long term deferred government grant of $0.4 million (2013 - $0.4 million). 

Critical Accounting Policies and Estimates 

Our consolidated financial information has been prepared in accordance with U.S. GAAP, which requires us to make judgments, 
estimates and assumptions that affect (1) the reported amounts of our assets and liabilities, (2) the disclosure of our contingent assets 
and liabilities at the end of each fiscal period and (3) the reported amounts of revenues and expenses during each fiscal period. We 
continually evaluate these estimates based on our own historical experience, knowledge and assessment of current business and other 
conditions, our expectations regarding the future based on available information and reasonable assumptions, which together form our 
basis for making judgments about matters that are not readily apparent from other sources. Since the use of estimates is an integral 
component of the financial reporting process, our actual results could differ from those estimates. Some of our accounting policies 
require a higher degree of judgment than others in their application. 

When reviewing our financial statements, you should consider (1) our selection of critical accounting policies, (2) the judgment 
and other uncertainties affecting the application of those policies and (3) the sensitivity of reported results to changes in conditions and 
assumptions. We believe the following accounting policies involve the most significant judgment and estimates used in the preparation 
of our financial statements. 

Revenue Recognition 

Revenue is recognized when persuasive evidence of an arrangement exists, the price is fixed and determinable, delivery has 
occurred and there is a reasonable assurance of collection of the sales proceeds. We generally obtain purchase authorizations from our 
customers for a specified amount of products at a specified price and considers delivery to have occurred when the customer takes title 
of the products. We provide certain customers with a right of return. 

Revenue for inactivated hepatitis A, combined inactivated hepatitis A&B and seasonal influenza vaccines are recognized when 
delivery has occurred and we estimate return provision for these products. The product return provisions for inactivated hepatitis A 
vaccine and combined inactivated hepatitis A&B vaccine are estimated based on historical return and exchange levels as well as the 
inventory levels and the remaining shelf lives of the products in the distribution channels. As of December 31, 2014, the sales return 
provision for inactivated hepatitis A vaccine and combined inactivated hepatitis A&B vaccine was $3.6 million (December 31, 2013 - 
$2.2 million). Percentage of sales return provision for the year of private pay market sales on inactivated hepatitis A and combined 
inactivated hepatitis A&B represented 8.6% and 5.5% in 2014 and 2013, respectively. We do not accept returns for hepatitis products 
sold under the Expanded Program on Immunization and exports, as such no sales returns are estimated for these sales. The product 
return provision for seasonal influenza vaccines is estimated based on actual sales returns and expected sales returns up to the end of the 
flu season because we generally accept returns before the end of the flu season. As of December 31, 2014, the sales return provision for 
seasonal influenza vaccine returns was approximately $1.3 million (December 31, 2013 - $0.6 million). 

Revenue for animal and mumps vaccines without a right of return provided to customers is recognized when delivery has occurred. 

Revenue for animal and mumps vaccines with a right of return provided to customers is recognized when payments are collected from 
customers as we currently do not have sufficient historical data to estimate returns for these products. 

Deferred revenue is generally relating to government stockpiling programs and advances received from customers. For government 

stockpiling programs of H1N1 and H5N1 vaccines, we generally obtain purchase authorizations from the government for a specified 
amount of products at a specified price and no rights of return are provided. Revenue is recognized when the government takes delivery 
of the products. If the products expire prior to delivery, these expired products are recognized as revenue once cash is received and the 
products have expired and passed government inspection. 

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Allowance for Doubtful Accounts 

We extend unsecured credit to our customers in the ordinary course of business but mitigate the associated risks by performing 

credit checks and actively pursuing past due accounts. An allowance for doubtful accounts is established and recorded based on 
management’s assessment of the credit history with the customer and current relationships with them. 

We also maintain an allowance for doubtful accounts for estimated losses based on our assessment of the collectability of specific 

customer accounts and the aging of the accounts receivable. We analyze accounts receivable and historical bad debts, customer 
concentrations, customer solvency, current economic and geographic trends, and changes in customer payment terms and practices 
when evaluating the adequacy of our current and future allowance. In circumstances where we are aware of a specific customer’s 
inability to meet its financial obligations to us, a specific allowance for bad debt is estimated and recorded, which reduces the 
recognized receivable to the estimated amount we believe will ultimately be collected. We monitor and analyze the accuracy of the 
allowance for doubtful accounts estimate by reviewing past collectability and adjust it for future expectations to determine the adequacy 
of our current and future allowance. Our reserve levels have generally been sufficient to cover credit losses. As of December 31, 2014, 
we provided 100% (December 31, 2013: 100%) allowance for accounts receivable aged more than three years, approximately 56.3% 
(December 31,2013: 56.3%) allowance for accounts receivable aged between two year and three years, approximately 18.5% 
(December 31, 2013: 16.9%) allowance for accounts receivable aged between one year and two years, and approximately 1.8% 
(December 31, 2013: 1.7%) allowance for accounts receivable aged less than one year. Our allowance for doubtful accounts as of 
December 31, 2014 was $2.6 million, compared to $2.4 million as of December 31, 2013. If the financial condition of our customers 
were to deteriorate, resulting in an impairment of their ability to make payments, additional allowances may be required. The bad debt 
expense was $0.3 million for the year ended December 31, 2014 as compared with $0.5 million recovery for the year ended 
December 31, 2013. 

Inventory Provision 

We write off all the unsold seasonal influenza vaccines before the end of the flu season at the end of the fiscal year. In addition, we 

estimate an inventory provision for existing Healive, Bilive, Rabend and Mumps products in inventories after considering the sales 
forecasts, the conditions of the raw material inventory, as well as the expiring date of these products. The inventory provision in 2014, 
2013 and 2012 was $1.7 million, $1.4 million and $3.5 million, respectively. 

Impairment of Long-Lived Assets 

Long-lived assets, including intangible assets subject to amortization, are reviewed for impairment whenever events or changes in 

circumstances indicate that the carrying value of an asset group may not be recoverable from the future undiscounted net cash flows 
expected to be generated by the asset group. An asset group is identified as assets at the lowest level for which identifiable cash flows 
are largely independent of the cash flows of other assets. If the asset group is not fully recoverable, an impairment loss would be 
recognized for the difference between the carrying value of the asset group and its estimated fair value, based on the discounted net 
future cash flows or other appropriate methods, such as comparable market values. We use estimates and judgments in its impairment 
tests and the timing and amount of impairment charges could be materially different if different estimates or judgment are utilized. We 
recorded impairment charges on long-lived assets of nil in 2014, as compared with $57,000 in 2013 and $2.2 million in 2012. 

Amortization of Intangible Assets 

We have amortized the value of intangible assets, being licenses, over an estimated useful life of 3 to 10 years. The estimated life 

of intangible assets is inevitably subjective, however, whenever events or changes in circumstance indicates the carrying value may not 
be recoverable or, at least once per year, we evaluate impairment and reevaluate the market opportunities for the intangible assets’ 
products and determine whether the remaining useful life estimate is still reasonable. In 2014, 2013 and 2012, there was no impairment 
of intangible assets. 

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The following table shows the effect of a change in the estimated useful life of licenses and permits of 10% for 2014: 

(in thousands, except for per share data) 
Useful life  
Amortization expense 
(Loss) for the year 
(Loss) per share 

Changes from
Reported 
Amount Based on 
Hypothetical 10% 
Decrease 
in Useful Life

9/2.7 years

  $
  $
$

449  $
(929) $
(0.02) $

Changes from
Reported 
Amount based on 
Hypothetical 10% 
Increase 
in Useful Life

As Reported

10/3 years  

371   $
(851)  $
(0.02)  $

11/3.3 years
367 
(847)
(0.02)

Given the nature of estimating the useful life of long-lived assets, it is not yet possible to provide a meaningful assessment of 
historical accuracy of the useful life estimates employed. It is very likely that the useful life of the licenses and permits will be different 
from the estimate employed, and the changes could be material. Changes in the estimated life of the licenses will not have a bearing on 
the total amount charged to operations over the life of the assets, but could change the results of operations and financial position in any 
given period. 

Leases 

Leases are classified as capital and operating depending on the terms and conditions of the lease agreement. Operating leases are 

expensed in the period in which they are incurred. There are no capital leases for the periods presented. 

In 2004, we entered into two operating lease agreements with SinoBioway with respect to Sinovac Beijing’s production plant and 

laboratory in Beijing, China with annual lease payments totaling $0.2 million (RMB 1.4 million). The leases commenced on August 12, 
2004 and have a term of 20 years. One of the lease agreements was amended on August 12, 2010 with the rent increasing from $81,000 
(RMB 0.5 million) to $0.2 million (RMB 1.4 million) per year. 

In June 2007, we entered into another operating lease agreement with SinoBioway, with respect to the expansion of Sinovac 
Beijing’s production plant in Beijing, China for an annual lease payment of $0.3 million (RMB 2.0 million). The lease commenced in 
June 2007 and has a term of 20 years. 

In September 2010, we entered into another operating lease agreement with SinoBioway with respect to expansion of Sinovac 
R&D’s business on research and development for an annual lease payment of $0.2 million (RMB 1.0 million). The lease commenced 
on September 30, 2010 and has a term of five years. 

On April 8, 2013, we entered into three supplemental agreements with SinoBioway, under which the expiration date of each of the 

four operating lease agreements was extended to April 7, 2033. 

Included in current and long-term prepaid expenses and deposits as at December 31, 2014, is $0.4 million (RMB 2.4 million) 

(December 31, 2013 - $0.3 million (RMB 1.9 million)), representing prepaid lease payments made to this related party. 

Income Tax Valuation Allowance 

In 2014, we recorded $2.3 million in short term deferred income tax asset and $0.5 million in long term deferred income tax asset 
based on the difference in timing of certain deductions for income tax and accounting purposes. We evaluate our valuation allowance 
requirements at each reporting period by reviewing all available evidence, both positive and negative, and considering whether, based 
on the weight of that evidence, a valuation allowance is needed. When circumstances change causes a change in management’s 
judgment about the reliability of deferred tax assets, the impact of the change on the valuation allowance is generally reflected in 
income from operations. The future realization of the tax benefit of an existing deductible temporary difference ultimately depends on 
the existence of sufficient taxable income of the appropriate character within the carry forward period available under applicable tax 
law. 

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Recently Adopted Accounting Standards 

In May 2014, the FASB issued ASU No. 2014-09 (“ASU 2014-09”), Revenue from Contracts with Customers (Topic 606). 
Where a single, global revenue recognition model applies to most contracts with customers. Revenue will be recognized in a manner 
that depicts the transfer of goods or services to customers in an amount that reflects the consideration to which an entity expects to be 
entitled, subject to certain limitations. The guidance is effective for annual periods beginning after December 15, 2016. Early adoption 
is prohibited, and a full or modified retrospective transition method is required. We are currently evaluating the impact of our 
consolidated financial statements of adopting this standard. 

In August 2014, the FASB issued ASU No. 2014-15 (“ASU 2014-15”), Going concern. Management the Company will be 
required to evaluate whether there is substantial doubt about the Company’s ability to continue as a going concern and, if so, disclose 
that fact. Management will also be required to evaluate and disclose whether its plans alleviate that doubt. The guidance is effective 
for annual periods beginning after December 15, 2016. Early adoption is permitted. We will adopt ASC 2014-15 on January 1, 2017, 
and does not expect the adoption of this standard will have a material impact on our consolidated financial statements. 

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RESULTS OF OPERATIONS 

Consolidated Statements of comprehensive 

income (loss) data  

Sales   
Cost of sales   
Gross profit 
Operating expenses: 

2014

Year ended December 31, 
2013
(in thousands, except for percentages) 

2012

   $  63,101 
16,493 
46,608 

100.0% $ 72,524 
26.1%
21,273 
73.9%
51,251 

100.0%  $  49,216 
29.3% 
19,100 
70.7% 
30,116 

(1) 

Selling, general and administrative expenses
Provision (recovery) for doubtful accounts    
Research and development expenses 
Loss on disposal and impairment of 
property, plant and equipment 
Government grants recognized in income  
Total operating expenses 
Operating income (loss) 
Interest and financing expenses 
Interest income 
Other income (expenses) 

Income (loss) before income taxes and non-

controlling interests 
Income tax benefit (expenses)  
Net income (loss) 
Less: (income) loss attributable to non-

controlling interests 

Net income (loss) attributable to shareholders 

of Sinovac 

   $ 

34,787 
329 
11,034 

74
(104)
46,120
488
(3,407)
2,685
1,356 

1,122 
(1,458)
(336)

(515)

(851)

55.1%
0.5%
17.5%

0.1%
(0.2)%
73.1%
0.8%
(5.4)%
4.3%
2.1%

34,538 
(504)
8,384 

88
—
42,506
8,745
(3,031)
2,168
263 

47.6% 
(0.7)% 
11.6% 

0.1% 
—  
58.6% 
12.1% 
(4.2)% 
3.0% 
0.4% 

33,280 
(874)
17,044 

2,190
(373)
51,267
(21,151)
(775)
2,370
(77)

8,145 
1.8%
(2.3)%
2,225 
(0.5)% 10,370 

11.2% 
3.1% 
14.3% 

(19,633)
884 
(18,749)

(0.8)%

2,928 

4.0% 

3,896 

(1.3)% $

7,442

10.3%  $ (14,853)

100.0%
38.8%
61.2%

67.6%
(1.8)%
34.6%

4.4%
(0.8)%
104%
(43)%
(1.6)%
4.8%
(0.2)%

(39.9)%
1.8%
(38.1)%

7.9%

(30.2)%

(1)             Includes stock-based compensation of $0.3 million, $0.3 million and $0.3 million in 2014, 2013 and 2012, respectively. 

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Sales 

Revenues from sales represent: (1) the invoiced value of goods, net of value added taxes, or VAT, and sales returns. See “ITEM 

5. Operating and Financial Review and Prospects — A. Operating Results — Taxes and incentives.” We recognize revenues at the 
time when our products are delivered, persuasive evidence of an arrangement exists, the price is fixed and determinable and there is 
reasonable assurance of collection of the sales proceeds; and (2) the value of goods produced for government stockpiling program. We 
recognize revenues from the sales of products to the government stockpiling program when cash has been received and the products 
have expired and passed government inspection or are delivered per government instruction. 

Our revenues, growth and results of operations depend on several factors, including the level of acceptance of our products among 

doctors, hospitals and vaccinees, and our ability to maintain or increase prices for our products at levels that provide favorable 
margins. The level of acceptance among doctors, hospitals and vaccines is influenced by the performance, promotion and academic 
research, and pricing of our products. 

We market and sell our vaccine products primarily through various provincial and municipal CDCs. We enter into sales 

agreements with CDCs each time a CDC places a purchase order. Pursuant to these sales agreements, CDCs typically agree not to re-
sell our products to regions outside the territory the pertinent CDC covers administratively. Since hepatitis A vaccines were included 
into government sponsored expended immunization program in 2007, we have actively participated in the tender and bidding 
organized by various provincial CDCs. We enter into sales agreements with the CDCs when we win a bid. 

Pricing 

In the private market, we set our price based on our production cost, the price of competitive products and acceptance level of 

CDC and vaccinees. We also adjust our product price according to changes in the external environment to balance sales volume and 
gross profit, and ultimately to maximize the sales profit margins. We increased the price of Healive and Bilive by 7% in 2014 
compared to 2013, which contributed $2.4 million additional sales in 2014. 

In the public market, the government purchases vaccines for EPI market by issuing government tenders. During the evaluation 
process, price is a key factor which impacts the result of the tender. Therefore, we need to price our product competitively to win the 
tender. We believe that our emphasis on product quality is an advantage and increases our competitiveness. 

Cost of sales 

Our cost of sales primarily consists of material, direct labor and production overheads. Depreciation of property, plant and 
equipment attributable to manufacturing activities and license amortization are capitalized as part of inventory, and expensed as cost 
of sales when product is sold. Cost of goods sold in 2014, 2013 and 2012 amounted to $16.5 million, $21.3 million and $19.1 million, 
respectively, of which idle capacity amounted to $2.5 million, $2.2 million and $3.1 million, respectively. We produce our products 
and conduct the final product packaging in-house. 

Our production capacity hasn’t been fully utilized. If we successfully commercialization new products and increase sales of existing 
products, we expect the unit production cost would decrease. 

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Sales, general and administrative expense 

Sales and marketing expenses consist primarily of salaries and related expenses for personnel engaged in sales, marketing and 
customer support functions and costs associated with marketing activities and shipping. The sales expense in 2014 is $18.0 million, 
representing 28.5% of total sales revenue of 2014, a 11.1% decrease compared to last year. Going forward, we expect to maintain the 
selling expense as a percentage of our revenue generated by our existing products, but to increase spending on newly commercialized 
product(s). 

General and administrative expense consists primarily of compensation for employees in executive and operational functions, 

including finance and accounting, business development, and human resources. Other significant costs include facilities costs, stock-
based compensation and professional fees for accounting and legal services. 

Research and development expenses 

Our research and development expenses consist primarily of: 

•                  salaries and related expenses for personnel; 

•                  fees paid to consultants and clinical research organizations in conjunction with their independent monitoring our clinical 

trials and acquiring and evaluating data in conjunction with our clinical trials; 

•                  consulting fees paid to third parties in connection with other aspects of our product development efforts; 

•                  costs of materials used in research and development; 

•                  depreciation of facilities and equipment used to develop our products; and 

•                  Technology license fees and milestone payments paid to third parties before a product receives regulatory approval. 

We expense both internal and external research and development costs as incurred, other than those capital expenditures that have 
alternative future uses, such as the build-out of our plant, or license fees and milestone payments made to third parties after regulatory 
approval is received. We expect our research and development costs will continue to be substantial and that they will increase as we 
advance our current portfolio of product candidates through clinical trials and move other product candidates into pre-clinical and 
clinical trials. 

Taxes and incentives 

Sinovac Beijing, Tangshan Yian, Sinovac R&D and Sinovac Dalian are subject to income taxes in China on their taxable income 

as reported in their statutory accounts at a tax rate in accordance with the relevant income tax laws applicable to foreign investment 
enterprises. Income tax returns filed by us and our active subsidiaries that are subject to examination are Sinovac Beijing and 
Tangshan Yian for the years since 2004 and Sinovac R&D and Sinovac Dalian for the years since 2010. 

Effective from January 1, 2008, the PRC’s statutory enterprise income tax rate is 25%. Our PRC subsidiaries are subject to 

income tax at the statutory rate of 25% except for Sinovac Beijing. Sinovac Beijing, being reconfirmed as a High and New 
Technology Enterprise or HNTE in 2014 for a period of three years, is subject to a preferential income tax rate of 15% from 2014 to 
2016. 

We determine deferred taxes for each tax-paying entity in each tax jurisdiction. The potential tax benefits arising from the losses 

incurred by its subsidiaries have not been recorded in the financial statements. 

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We evaluate our valuation allowance requirements at each reporting period by reviewing all available evidence, both positive and 
negative, and considering whether, based on the weight of that evidence, a valuation allowance is needed. When circumstances change 
causes a change in management’s judgment about the realizability of deferred tax assets, the impact of the change on the valuation 
allowance is generally reflected in income from operations. The future realization of the tax benefit of an existing deductible 
temporary difference ultimately depends on the existence of sufficient taxable income of the appropriate character within the carry 
forward period available under applicable tax law. 

The valuation allowance relating to losses carried forward of Tangshan Yian, Sinovac R&D and Sinovac Dalian are still required 
as realization of this element of the potential tax benefit is still uncertain. The potential tax benefits arising from the losses incurred by 
Tangshan Yian, Sinovac R&D and Sinovac Dalian have not been recorded in the financial statements. The tax losses of the PRC 
subsidiaries in the amount of RMB 262 million  ($43.2 million ) can be carried forward for five consecutive years against profits 
starting from 2015 and will expire ranging from 2016 to 2019. 

Year ended December 31, 2014 Compared to Year Ended December 31, 2013 

Sales. Total sales for 2014 decreased by 13.0% to $63.1 million from $72.5 million in 2013. Excluding revenue recognition of Panflu 
under the government stockpiling program in 2014 and 2013, regular sales of Healive, Bilive, Anflu, mumps vaccine and RabEnd 
increased by 1.8% to $62.9 million in 2014 from $61.8 million in 2013. The growth is mainly contributed by the sales of Bilive in the 
private-pay market, as well as Healive and Anflu sales in the public-pay market. 

The table below sets forth a breakdown of our sales by product: 

Sales 

Hepatitis A vaccine 
Hepatitis A&B vaccine 
Influenza vaccines 
Animal vaccine  
Mumps vaccines 
Regular sales subtotal 
H5N1 vaccine 
Total sales  

Year ended December 31 
2013 
2014

(in thousands) 

$

$

26,515 
21,935 
12,131 
169 
2,150
62,900
201 
63,101

$

$

26,420 
20,782 
12,156 
750 
1,680
61,788
10,736 
72,524

Gross Profit. Gross profit in 2014 decreased by 9.1% to $46.6 million from $51.3 million in 2013. Gross margin increased to 
73.9% in 2014 from 70.7% in 2013. Excluding the impact of Panflu sales under the government-stockpiling program in 2014 and 
2013, gross margin increased to 74.2% in 2014 from 72.6% in 2013. Higher gross margin was mainly driven by increased efficiency 
in the manufacturing processes which resulted in lower unit costs, as well as increased selling price of some of our products. 

Selling, General and Administrative Expenses.. 

Selling, general and administrative expenses for 2014 were $34.8 million, which was maintained at a similar level compared to 

$34.5 million for 2013. 

We recorded stock-based compensation of $0.3 million in 2014 compared to $0.3 million in 2013. As of December 31, 2014, we 

had unrecognized compensation costs of $0.2 million. This unearned component will be recognized over a period of three months. 

Research and Development Expenses. Research and development expenses in 2014, primarily represented expenditures on the 
advancement of pipeline vaccines, including EV71, pneumococcal vaccines, sIPV and varicella vaccine, increased to $11.0 million 
from $8.4 million in 2013. This increase is attributable to the continued advancement of PPV and sIPV. 

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Interest and Financing Expenses. Interest and financing expense increased by 12.4% to $3.4 million in 2014 from $3.0 million 

in 2013. The increase in interest and financing expense is primarily due to higher outstanding loan balances held during 2014 
compared to 2013. There were $81,000 and $65,000 of interest subsidies received in 2014 and 2013, respectively. 

Income Taxes Expenses. Income tax expense was $1.5 million in 2014, compared to an income tax recovery of $2.2 million in 
2013. Prior to 2014, Sinovac Beijing was in a cumulative tax loss position hence did not have current income tax payable. In 2014, 
Sinovac Beijing returned to a taxable income position, hence recorded current income tax expense of $1.6 million. 

Net Income (loss). Net loss attributable to shareholders of Sinovac was $0.9 million in 2014, compared to a net income of $7.4 

million in 2013. 

Year ended December 31, 2013 Compared to Year Ended December 31, 2012 

Sales.Total sales for 2013 increased by 47.4% to $72.5 million from $49.2 million in 2012. Excluding revenue recognition of 

Panflu under the government stockpiling program in 2013, regular sales of Healive, Bilive, Anflu, mumps vaccine and RabEnd 
increased by 25.5% to $61.8 million in 2013 from $49.2 million in 2012. The increased sales mainly derived from the growth of sales 
of Healive and Anflu. 

The table below sets forth a breakdown of our sales by product: 

Sales 

Hepatitis A vaccine 
Hepatitis A&B vaccine 
Influenza vaccines 
Animal vaccine  
Mumps vaccines 
Regular sales subtotal 
H5N1 vaccine 
Total sales  

Year ended December 31 
2012 
2013

(in thousands) 

26,420 
20,782
12,156 
750  
1,680
61,788 
10,736 
72,524

$

$

20,141 
19,810
9,191 
50 
24
49,216 
— 
49,216

$

$

Gross Profit. Gross profit in 2013 increased by 70.2% to $51.3 million from $30.1 million in 2012. Gross margin increased to 
70.7% in 2013 from 61.2% in 2012. Excluding the impact of Panflu sales under the government-stockpiling program in 2013, gross 
margin increased to 72.6% in 2013 from 61.2% in 2012. Higher gross margin was mainly driven by the improved operational 
management, which resulted in less inventory provision charged to the cost of sales, as well as increased selling price of some of our 
products. 

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Selling, General and Administrative Expenses. Selling, general and administrative expenses, or SG&A expenses, include 
nonproduction related wages and salaries, stock-based compensation, consulting fees, travel, occupancy, advertising, public company 
costs and professional fees. 

Selling, general and administrative expenses for 2013 were $34.5 million, which was maintained at a similar level of $33.3 

million for 2012. 

We recorded stock-based compensation of $0.3 million in 2013 compared to $0.3 million in 2012. As of December 31, 2013, we 

had unrecognized compensation costs of $0.5 million. This unearned component will be recognized over a period of 15 months. 

Research and Development Expenses. Research and development expenses in 2013, which primarily represented amounts spent 
on the advancement of the pipeline vaccines, including EV71, pneumococcal vaccines and varicella vaccine, decreased to $8.4 million 
from $17.0 million in 2012. The decrease was mainly due to the completion of the phase III clinical trial of EV71 vaccine candidate in 
the first quarter of 2013. 

Interest and Financing Expenses. Interest and financing expense increased by 291.4% to $3.0 million in 2013 from $0.8 million 

in 2012. The increase was mainly due to the $13.9 million increase in total borrowings as of December 31, 2013 over December 31, 
2012. The construction of Changping site was completed and interest expenses were no longer capitalized in 2013. There were $1.5 
million and $65,000 of interest subsidies received in 2012 and 2013, respectively. 

Income Taxes Expenses. We had an income tax benefit of $2.2 million in 2013, compared to an income tax recovery of $0.9 
million in 2012. The income tax recovery resulted from recognition of deferred tax assets as Sinovac Beijing returned to profitability 
and deferred tax assets are expected to be realized in the future. 

Net Income (loss). Net income attributable to shareholders of Sinovac was $7.4 million in 2013, compared to a net loss of $14.9 

million in 2012. 

B.           Liquidity and Capital Resources 

We finance our operations primarily through short-term and long-term borrowings, proceeds from our public offering, capital 
raised in our private placement, cash generated from operations and, to a lesser extent, cash from government research grants. We 
believe that our current cash and cash equivalents, and anticipated cash flow will be sufficient to meet our anticipated cash needs, 
including our cash needs for working capital and capital expenditure, for the next 12 months. We may, however, require additional 
cash due to changing business conditions or other future developments, including any investments or acquisitions we may decide to 
pursue. If our existing cash is insufficient to meet our requirements, we may seek to sell additional equity securities, debt securities or 
borrow from banks. 

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Cash Flows and Working Capital 

The following table sets forth a summary of our net cash flows for the periods indicated: 

Net cash provided by (used in) operating activities
Net cash used in investing activities 
Net cash provided by financing activities 
Exchange gain (loss) on cash and cash equivalents
Increase (decrease) in cash and cash equivalents
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period 

Operating Activities 

2014

Year ended December 31, 
2013 
(in thousands) 

2012

  $

  $

(8,647) $
(11,003)
5,309 
(1,383)
(15,724)
107,242 
91,518  $

5,576   $
(5,176) 
14,419  
1,182  
16,001  
91,241  
107,242   $

(16,254)
(16,151)
17,330 
2,029
(13,046)
104,287 
91,241 

Net cash used in operating activities was $8.6 million in 2014, compared to cash provided by operating activities of $5.6 million 

in 2013. Net cash used in our operating activities in 2014 resulted primarily from (1) our net loss of $0.3 million, (2)  inventory 
provision of $1.3 million and increase of inventories of $6.2 million, (3) depreciation of property, plant and equipment and 
amortization of licenses of $8.1 million, (4) an increase in accounts receivable of $9.7 million, and (5) a decrease of accounts payables 
and accrued liabilities of $4.2 million. 

Net cash provided by operating activities was $5.6 million in 2013, compared to cash used in operating activities of $16.3 million 

in 2012. Net cash provided by our operating activities in 2013 resulted primarily from (1) our net income of $10.4 million, (2)  
inventory provision of $1.4 million and increase of inventories of $7.5 million, (3) depreciation of property, plant and equipment and 
amortization of licenses of $6.4 million, (4) an increase in accounts receivable of $7.3 million. 

Investing Activities 

Net cash used in investing activities was $11.0 million in 2014, compared to $5.2 million in 2013. We made more payment in 

2014 to acquire property, plant and equipment for the pneumococcal polysaccharide and varicella vaccine production facilities. 

Net cash used in investing activities was $5.2 million in 2013, compared to $16.2 million in 2012. We used less cash to acquire 

property, plant and equipment in 2013 as there were no major construction projects. 

Financing Activities 

Net cash provided by financing activities was $5.3 million in 2014 compared to $14.4 million in 2013. In 2014, net cash provided 

by our financing activities included net proceeds of $0.5 million from issuance of common shares and government funding of $3.5 
million. We also received loan proceeds of $17.8 million and made loan repayments of $16.6 million in 2014. 

Net cash provided by financing activities was $14.4 million in 2013 compared to $17.3 million in 2012. In 2013, net cash 
provided by our financing activities included net proceeds of $0.8 million from issuance of common shares and government funding 
of $0.8 million. We also received loan proceeds of $16.8 million and made loan repayments of $4.1 million in 2013. 

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Accounts Receivable 

Our total accounts receivable, including other receivables increased by $8.9 million to $40.8 million as of December 31, 2014 
from $31.9 million as of December 31, 2013. Our average accounts receivable turnover time in 2014 was 220 days, as compared to 
175 days in 2013. 

Our maximum exposure to credit risk at the balance sheet dates relating to accounts receivables is summarized as follows: 

Aging within one year, net of allowance for doubtful accounts
Aging greater than one year, net of allowance for doubtful accounts  
Total trade receivable — net 

$

$

Borrowings 

2014

December 31, 

(in thousands) 

2013

35,130  
4,722  
39,852

$

$

29,565 
1,749 
31,314

As of December 31, 2014, we had $47.4 million in short-term bank loans and current-portion of long-term bank loans, offset by 
$91.5 million in cash and cash equivalents, resulting in a liquid assets balance of $44.1 million, compared with $91 million at the end 
of December 31, 2013. We hold our cash and cash equivalents in interest-bearing dollar and renminbi denominated accounts at 
domestic commercial banks. The following tables summarize our short-term and long-term bank borrowings as of December 31, 
2014: 

Type 
Loan from Beijing Zhongguancun 
Development Group 

Amount
RMB12 million 
($2.0 million)

Yearly Interest
Rate

0.36%

Interest
Payment 

upon 
maturity

Maturity
Date 
February 24, 
2016 

Purpose
EV71 vaccine 
research

The total loan is $2 million (RMB 12 million) of which $1 million (RMB 6 million) was received in 2012 and the second 
$1 million (RMB 6 million) was received on February 25, 2013. The loan is unsecured and repayable on February 24, 
2016. The Beijing Zhongguancun Development Group is entitled to 10.62% ownership of the profits, if any, generated 
from the intellectual property developed during the loan period. No profit-sharing payments are required to be made as no 
profits have been generated to date. We can repay the loan at any time during the loan period. The fair value differential of 
$0.4 million (between the face value and the fair value using the effective interest rate method at our borrowing rate of 
6.9%) is recorded as non-current deferred government grant (2013- $0.4 million). 

Type 
Bank loan from Bank of China 

Amount
RMB10 million 
($1.6 million)

Yearly Interest
Rate
7.4% floating
(1)

Interest
Payment

monthly

   Maturity Date
September 22, 
2015 

Purpose

operation

Sinovac Dalian entered into a bank loan agreement with Bank of China with a credit line of $3.2 million (RMB 20 million). 
The first $0.8 million (RMB 5 million) was drawn down on March 13, 2013 and repaid on March 12, 2014. The second 
$0.8 million (RMB 5 million) was drawn down on September 24, 2013 and repaid on September 23, 2014. The third $0.8 
million (RMB 5 million) was drawn down on March 31, 2014 and is repayable on March 26, 2015. The fourth $0.8 million 
(RMB 5 million) was drawn down on September 23, 2014 and is repayable on September 22, 2015. The loan bears interest 
at 7.4% and the interest is payable monthly. Prepaid land lease payments and buildings of Sinovac Dalian with a net book 
value of $9.6 million (RMB 60 million) were pledged as collateral. 

Type 
Bank loan from Bank of Beijing 

Amount
RMB72.9 million
($11.7 million) 

Yearly Interest
Rate
6.4% floating
(2)

Interest
Payment
quarterly

   Maturity Date
November 13, 
2015 

Purpose
construction of 
Changping 
facility

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The loan is for construction of the Changping facility and has a maximum credit facility amount of $32.2 million (RMB 
200 million). The loan is repayable in four equal installments on May 13, 2014, November 13, 2014, May 13, 2015 and 
November 13, 2015. $11.8 million was repaid in 2014. The Company also obtained a credit line with a maximum quota for 
issuing letter of credits of $12.9 million (RMB 80 million) with the same bank. No letters of credit were issued by us as at 
December 31, 2014 and 2013. Prepaid land lease payments and buildings of Sinovac Beijing with a net book value of $3.3 
million (RMB 20.4 million) were pledged as collateral. 

Type 
Bank loan from China 
Construction Bank 

Amount 
RMB25.1 million
($4.0 million) 

Yearly Interest
Rate
6.15% floating(2)

Interest
Payment

monthly

Maturity Date 

December 12, 
2015 

Purpose

operation and 
production

The loan is to be used exclusively for the operation and production costs of Sinovac Beijing. Interest is payable monthly. 
The loan is unsecured and 10% of the principal amount is repayable in 2013, 10% of the principal amount is repayable in 
2014 with the remaining principal repayable in 2015. $0.5 million (RMB 3 million) was repaid in 2013 and $0.5 million 
(RMB 3 million) was repaid in 2014. Pursuant to the covenants set out in the agreement, the debt to total assets ratio must 
not be higher than 85%, the current ratio must not be lower than 1, contingent liabilities must not be higher than $14.7 
million (RMB 91 million) and contingent liabilities as a percentage of total shareholders’ equity must not be higher than 
10%. The Company is in compliance with such covenants as of December 31, 2014 and 2013. 

Type 

Bank loan from 
China Construction 
Bank 

Amount 
RMB86 million 
($13.9 million) 

Yearly Interest
Rate

Interest
Payment

6.4% floating(2)

monthly

  Maturity Date 
February 9, 
2015 

Purpose
purchase of 
Changping 
facility

The loan is exclusively for the purchase of the Changping facility. Interest is payable monthly. Prepaid land lease payment 
and building of the Changping facility of Sinovac Beijing with a net book value of $17.8 million (RMB 110 million) were 
pledged as collateral. $0.3 million (RMB 2 million) was repaid in 2013, $0.3 million (RMB 2 million) was repaid in 2014, 
and $13.9 million (RMB 86 million) was repaid in February 2015. 

Type 

Bank loan from 
Industrial and 
Commercial Bank of 
China 

Amount 
RMB20 million 
($3.2 million) 

Yearly Interest
Rate

7.5%

Interest
Payment

monthly

   Maturity Date
June 19, 2015

Purpose
Operation

The loan was drawn on June 19, 2014 and is repayable on June 19, 2015. The loan is guaranteed by an unrelated third 
party, with a guarantee fee of $64,000 (RMB 0.4 million) over the term of the loan. Trade receivables of Sinovac Beijing 
with a carrying value of not lower than $5.6 million (RMB 35 million) were pledged as collateral. 

Type 
Bank loan from China 
Merchants Bank 

Amount 
RMB30 million 
($4.8 million) 

Yearly Interest
Rate

6.9%

Interest
Payment

quarterly

   Maturity Date
March 2, 2015

Purpose
Operation

The loan bears interest at 15% above the prime rate of a one-year term loan published by the People’s Bank of China. 
Interest is payable quarterly. The loan was drawn on March 3, 2014 and is repaid on March 2, 2015. 

Type 
Bank loan from Bank 
of Beijing 

Amount 
RMB50 million 
($8.1 million) 

6%

Yearly Interest
Rate

Interest
Payment

quarterly

   Maturity Date
Purpose
August 21, 2015 Operation

The loan bears interest at the prime rate of a one-year term loan published by the People’s Bank of China. Interest is 
payable quarterly. The loan was drawn on August 21, 2014 and is repayable on August 21, 2015. 

(1)   Annual interest rate at 24% above Bank of China’s prime rate for loans of one year. 
(2)   Annual interest rate at the bank’s prime lending rate and adjusted every 12 months. 

Our weighted average effective interest rate on outstanding borrowings was 6.8%, 6.6% and 7% for the years ended 

December 31, 2014, 2013 and 2012, respectively. 

Restrictions on Cash Dividends 

We are a holding company, and we rely in part on dividends paid by our subsidiaries, Sinovac Beijing, Sinovac Dalian, Sinovac 

R&D and Tangshan Yian, for our cash needs, mainly our operating expenses. The payment of dividends in China is subject to 
limitations. Regulations in the PRC currently permit payment of dividends only out of accumulated profits as determined in 
accordance with accounting standards and regulations in China. Our subsidiary is also required to set aside at least a portion of its 
after-tax profit based on PRC accounting standards each year to fund the statutory surplus reserves. The reserves can be used to recoup 
previous years’ losses, if any, and, subject to the approval of the relevant PRC government authority, may be converted into share 
capital in proportion to their existing shareholdings, or by increasing the par value of the shares currently held by them. Such reserves, 
however, are not distributable as cash dividends. In addition, at discretion of their board of directors, our subsidiaries may allocate a 
portion of its after-tax profits based on PRC accounting standards to the employee welfare and bonus funds, which shall be utilized for 
collective staff benefits. In addition, if Sinovac Beijing, Sinovac Dalian, Sinovac R&D or Tangshan Yian incurs debt on its own behalf 
in the future, the instruments governing the debt may restrict the ability of one or more of our PRC subsidiaries, as the case may be, to 
pay dividends or make other distributions to us. 

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The ability of our subsidiary to convert renminbi into U.S. dollars and make payments to us is subject to PRC foreign exchange 

regulations. Under these regulations, the renminbi is convertible for current account items, including the distribution of dividends, 
interest payments, trade and service-related foreign exchange transactions. Conversion of renminbi for capital account items, such as 
direct investment, loan, security investment and repatriation of investment, however, is still subject to the approval of the SAFE. See 
“Item 10D. Exchange Controls.” 

Capital Expenditures 

We made capital expenditures of $11.0 million, $5.2 million and $16.2 million in 2014, 2013 and 2012 respectively. In 2014, we made 
$0.9 million payments towards the Changping facility and $7.2 million payments towards property, plant and equipment for 
construction of PPV and varicella production facilities. As of December 31, 2014, our commitments related to capital expenditures of 
approximately $5.5 million were primarily for the construction of our PPV and varicella production facilities. We will finance such 
commitments through short-term and long-term borrowings, proceeds from our public offering in 2010 and cash generated from 
operations. 

C.            Research and Development, Patents and Licenses, Etc. 

See discussions under “— ITEM 5A. Research and Development Programs.” 

D.            Trend Information 

Other than as disclosed elsewhere in this annual report, we are not aware of any trends, uncertainties, demands, commitments or 

events for the period from January 1, 2014 to December 31, 2014 that are reasonably likely to have a material adverse effect on our 
net revenues, income, profitability, liquidity or capital resources, or that caused the disclosed financial information to be not 
necessarily indicative of future operating results or financial conditions. 

E.             Off-Balance Sheet Arrangements 

We do not, and did not, have any interest in variable interest entities or any other off-balance sheet arrangements that require 

disclosure. 

F.              Tabular Disclosure of Contractual Obligations 

The following table summarizes our estimated contractual obligations and commitments as of December 31, 2014 for the periods 

indicated: 

Debt obligations including amount owing to related 

party (including interest) 

R&D expenses, liabilities and commitment 
Operating lease obligations 
Purchase of facilities commitments 
Accounts payable and accrued liabilities 
Total 

Total

Less than
1 year

Payments due by period 

1 — 3 years 
(in thousands) 

4 — 5 years

More than
5 years

$

$

53,517 
960 
14,024
5,528 
23,237 
97,266

$

$

61 

51,582 
960 
869
5,528 
23,237 
82,176

$

$

1,935   $ 
—  
1,738  
—  
—  
3,673

   $ 

— 
— 
1,738
— 
— 
1,738

$

$

— 
— 
9,679
— 
— 
9,679

  
  
  
  
  
  
  
  
  
  
  
  
  
 
  
 
 
  
  
  
 
 
 
 
 
 
 
 
 
 
 
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G.    Safe Harbor 

This annual report on Form 20-F contains forward-looking statements that relate to future events, including our future operating 
results and conditions, our prospects and our future financial performance and condition, all of which are largely based on our current 
expectations and projections. The forward-looking statements are contained principally in the sections entitled “Item 3. Key 
Information — D. Risk Factors,” “Item 4.Information on the Company” and “Item 5.Operating and Financial Review and Prospects.” 
These statements are made under the “safe harbor” provisions of the U.S. Private Securities Litigation Reform Act of 1995. You can 
identify these forward-looking statements by terminology such as “may,” “will,” “expect,” “anticipate,” “future,” “intend,” “plan,” 
“believe,” “estimate,” “is/are likely to” or other and similar expressions. Forward-looking statements involve inherent risks and 
uncertainties. A number of factors could cause actual results to differ materially from those contained in any forward-looking 
statement, including but not limited to the following: 

•                  our ability to maximize sales of our existing products within the Chinese market; 

•                  our ability to develop new vaccines; 

•                  our ability to improve our existing vaccines and lower our production costs; 

•                  our ability to expand our manufacturing facilities to meet need of the growing Chinese market and other geographic markets; 

•                  our ability to acquire new technologies and products; 

•                  uncertainties in and the timeliness of obtaining necessary governmental approvals and licenses for marketing and sale of our 

vaccines in certain overseas markets; 

•                  our ability to compete successfully against our competitors; 

•                  risks associated with our corporate structure and the regulatory environment in China; and 

•                  other risks outlined in our filings with the Securities and Exchange Commission, or the SEC, including this annual report on 

Form 20-F. 

The forward-looking statements made in this annual report on Form 20-F relate only to events or information as of the date on which 
the statements are made in this annual report on Form 20-F. Except as required by law, we undertake no obligation to update or revise 
publicly any forward-looking statements, whether as a result of new information, future events or otherwise, after the date on which 
the statements are made or to reflect the occurrence of unanticipated events. You should read this annual report on Form 20-F 
completely and with the understanding that our actual future results may be materially different from what we expect. 

ITEM 6. DIRECTORS, SENIOR MANAGEMENT AND EMPLOYEES 

A.   Directors and Senior Management 

The following table sets forth information regarding our directors and executive officers as of the date of this annual report: 

(1) (2) (3) 

Directors and Executive Officers
Weidong Yin 
Simon Anderson
Yuk Lam Lo
Kenneth Lee
Meng Mei
Nan Wang 
Ming Xia 

(1) (2) (3) 
(2) (3) 
(1) (2) (3) 

Age 

50 
54 
66 
47 
60 
48 
41 

Position/Title 

Chairman, President, Chief Executive Officer 
Independent Director
Independent Director
Independent Director
Independent Director
Chief Financial Officer, Vice President 
Vice President, Sales and Marketing

(1)   Member of the audit committee. 
(2)   Member of the corporate governance and nominating committee. 
(3)   Member of the compensation committee. 

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Dr. Weidong Yin has served as our chairman, president, chief executive officer and secretary since September 2003. Mr. Yin is 

also the general manager of Sinovac Biotech and the chairman of Sinovac Hong Kong, Tangshan Yian and Sinovac Dalian. He is the 
former general manager of Tangshan Yian Bioengineering Co., Ltd., and previously he worked as a medical doctor in infectious 
disease at the China Center for Disease Control and Prevention, Tangshan City, Hebei province. Dr. Yin has been dedicated to 
hepatitis research for over 20 years and was instrumental in the development of Healive. In addition, Dr. Yin has been appointed as 
the principal investigator by the Chinese Ministry of Science and Technology for many key governmental R&D programs such as 
Inactivated Hepatitis A Vaccine R&D, Inactivated SARS Vaccine R&D and New Human Influenza Vaccine (H5N1) R&D. He is also 
the president of Zhongguancun Listed Companies Association. He obtained his MBA from the National University of Singapore. 

Mr. Simon Anderson has served as an independent director of our company since July 2004. Mr. Anderson is a member of our 
audit, compensation, and corporate governance and nominating committees. Mr. Anderson provides consulting expertise in the areas 
of regulatory compliance, exchange listings and financial operations. He was admitted as a member of the Institute of Chartered 
Accountants in British Columbia in 1986. Mr. Anderson serves as chief financial officer of companies listed on North American stock 
exchanges, including IBC Advanced Alloys Corp., which manufactures and processes alloys at its U.S. plants. Mr. Anderson also 
serves as a director of Simba Gold Corp., a gold exploration company. 

Mr. Yuk Lam Lo has served as an Independent Director of our company since March 2006. Mr. Lo is a member of the audit, 
compensation and corporate governance and nominating committees. Mr. Lo was heavily involved in several committees of the 
HKSAR Government. He had been appointed a Director of the Hong Kong Applied R&D Fund Co. Ltd., Chairman of the 
Biotechnology Committee of the Hong Kong Industry & Technology Development Council, and Chairman of Biotechnology Projects 
Vetting Committee of the Innovation and Technology Fund, HKSAR. Currently Mr. Lo is serving as a Member of the Advisory 
Council for Food Safety of the Food and Health Bureau HKSAR, a Director of the Chinese Manufacturers’ Association of Hong Kong 
(CMA) and Chairman of the Innovation and Technology Committee of CMA. Mr. Lo is also the Hononary Founding Chairman of 
Hong Kong Bio-Organization. In the educational area, Mr. Lo has been elected an Honorary Fellow of the Hong Kong University of 
Science and Technology. He is a member of the Advisory Committee of the Vocational Training Council, an Executive Vice-
President of Asian College of Management, Adjunct Professor of the Chinese University of Hong Kong and Honorary Professor of 
several universities in China. In China, Mr. Lo was a Consultant to the Economic Bureau of Changchun and a Member of the 
Advisory Committee of the Shenzhen Municipal Science and Technology Bureau. At present, he is a Consultant of the Centre for 
Disease Control and Prevention of China. In the business sector, Mr. Lo is the Chairman of Lo’s Associates Ltd., vice-Chairman of 
Santai Eco-Fishery Ltd., vice-Chairman of APlus OTC Health Group Ltd., Senior Advisor of Questmark Capital Management Sdn. 
Bhd., and Senior Director of Questmark Asia Ltd. Mr. Lo is an Independent Director of South East Group Ltd. (0726.HK) and 
Shangpharma (NYSE:SHP). 

Mr. Kenneth Lee is an independent director of Sinovac.He has served on the Company’s Board of Directors since May 2011.  In 

July 2012, the Board appointed him to the Compensation Committee and Corporate Governance and Nominating Committee as an 
independent director.  Mr. Lee is a partner at SAIF Partners. SAIF Partners IV L.P. is currently the largest shareholder in Sinovac. 
Mr. Lee has close to 20 years of experience across private equity investment, corporate finance, and business development in China. 
He is a non-executive director on the boards of four Chinese portfolio companies publicly listed on the stock exchanges in USA and 
Hong Kong and a board director for four other private Chinese companies backed by SAIF Partners.  Mr. Lee is a graduate of Amherst 
College. 

Mr. Meng Mei has served as an independent director of our company since March 2012. Mr. Mei is the chairman of compensation 
committee, and member of the audit and corporate governance and nominating committees. Mr. Mei founded TusPark, a science park 
established by Tsinghua University in 1994, to incubate high growth companies. He has been the director of TusPark’s development 
center since its inception. Mr. Mei is also the Chairman of TusHoldings Co., Ltd., which is engaged in the development, construction, 
and management of TusPark and is providing services to enterprises based in TusPark. TusHoldingsCo., Ltd. is also involved in 
venture capital investments in China. Mr. Mei sits on the judging expert panel of China’s National Science & Technology Award. He 
has developed courses on entrepreneurship and new venture formation as a Tsinghua University professor and an entrepreneur. 
Mr. Mei holds a bachelor’s degree in automation from Tsinghua University, PRC. 

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Ms. Nan Wang has served as our chief financial officer since June 2013 and our vice president of Sinovac Beijing since 2001. 
Ms. Wang served as the vice president of Sinovac Beijing from 2001 to 2013 where she oversees business development, investment, 
and clinical research. From 1988 to 1993, Ms. Wang was a researcher in biology at the Life Science College of Peking University, 
PRC. From 1993 to 2001, she worked as a manager at SinoBioway. Ms. Wang received her bachelor’s degree in biology from Peking 
University and her master degree from University of International Business and Economics, PRC. Ms. Wang also received a diploma 
in financial management from Beijing College for Entrepreneurs, PRC in 2003. 

Mr. Ming Xia has served as Vice President of Sinovac Beijing since 2011 where he oversees sales and marketing departments. 
Mr. Ming Xia has over 15 years’ experience in vaccine sales and marketing in China. He joined Sinovac in 2002 and has served as 
Regional Sales Manager, National Sales Manager and Sales Director at Sinovac. Mr. Xia obtained his bachelor degrees in 
Biochemistry at Anhui University and in International Trade at Shanghai Institute of Foreign Trade. Mr. Xia has made significant 
contributions to our sales revenue growth in previous years with outstanding leadership and performance results. He kept his top 
record of generating sales revenue for many years after joining Sinovac. He is a leader with creativity and developed the sales strategy 
for our existing products. Mr. Ming Xia organized the reform on sales and marketing strategy to meet the change of the market 
situation. 

B.   Compensation 

In 2014, the aggregate cash compensation paid to our directors and executive officers was approximately $1.34 million. No 

executive officer is entitled to any severance benefits upon termination of his or her employment with our company. The bonus plan of 
the executive offers is made based on our annual performance in different functions and the respective key result areas of these 
functional teams. Each vice president’s bonus is determined based on the key corporate development objectives and key performance 
index set by the Compensation Committee and approved by the Board at the beginning of the year. The bonus payoff plan is approved 
by the Board. 

Our shareholders have authorized the board of directors to administer two share incentive plans which in aggregate provide for 
the issuance of up to 9,000,000 shares of common stock, including 5,000,000 shares reserved under the 2003 Stock Option Plan and 
4,000,000 shares reserved under 2012 Share Incentive Plan. The following table summarizes, as of March 31, 2015, the outstanding 
options that we granted to several of our directors, executive officers, principal shareholders and to other individuals as a group, all of 
which were made under our 2003 Stock Option Plan. 

Name 
Ming Xia 
Other individual as a group 
Total Outstanding Options 

* Weighted Average Exercise Price 

Common
Shares 
Underlying 
Outstanding 
Options

31,500
435,200
466,700

Exercise
Price 
($/Share)

Grant Date 

Expiration Date

2.37  December 26, 2011    December 25, 2017

2.19*

We have not set aside or accrued any amount of cash to provide pension, retirement or other similar benefits to our officers and 

directors. Our PRC subsidiaries and consolidated affiliated entities as well as their subsidiaries are required by law to make 
contributions equal to certain percentages of each employee’s salary for his or her retirement benefit, medical insurance benefits, 
housing funds, unemployment and other statutory benefits. 

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2003 STOCK OPTION PLAN 

Our board of directors adopted the 2003 Stock Option Plan, or the 2003 Plan, on November 1, 2003. The purpose of the plan is to 

attract and retain the best available personnel for positions of substantial responsibility, provide additional incentive to employees, 
directors and consultants and promote the success of our business. Our board of directors believes that our company’s long-term 
success is dependent upon our ability to attract and retain superior individuals who, by virtue of their ability, experience and 
qualifications, make important contributions to our business. 

Set forth below is a summary of the principal terms of the 2003 Plan. 

•                  Size of plan. We have reserved an aggregate of 5,000,000 of our common shares for issuance under the 2003 Plan. As of 

December 31, 2014, options to purchase an aggregate of 904,400 of our common shares were issued and outstanding and an 
aggregate of 4,017,800 common shares have been issued pursuant to options issued under the 2003 Plan. 

•                  Administration. The 2003 Plan is administered by our board of directors. The board will determine the provisions, terms and 
conditions of each option grant, including without limitation the option vesting schedule or exercise installment, the option 
exercise price, payment contingencies and satisfaction of any performance criteria. 

•                  Vesting schedule. The vesting schedules of options granted will be specified in the applicable option agreements. 

•                  Option agreement. Options granted under the 2003 Plan are evidenced by option agreements that contain, among other 

things, provisions concerning exercisability and forfeiture upon termination of employment or consulting arrangements by 
reason of death or otherwise, as determined by our board. In addition, the option agreement also provides no option shares 
will be issued under the plan unless the Securities Act has been fully complied with. 

•                  Option term. The term of options granted under the 2003 Plan may not exceed ten years from the date of grant. 

•                  Termination of options. Where the option agreement permits the exercise of the options granted for a certain period of time 
following the recipient’s termination of services with us, the options will terminate to the extent any is not exercised or 
purchased on the last day of the specified period or the last day of the original term of the options, whichever occurs first. 

•                  Change of control. If a third-party acquires us through the purchase of all or substantially all of our assets, a merger or other 
business combination, all outstanding stock options will become fully vested and exercisable immediately prior to such 
transaction. 

•                  Termination of plans. Unless terminated earlier, the Plan will expire in 2023. Our board of directors has the authority to 

terminate the 2003 Plan prior to the expiry of the plan provided that such early termination shall not affect the options then 
outstanding under the plan. 

2012 SHARE INCENTIVE PLAN 

In August 2012, our shareholders adopted a 2012 Share Incentive Plan, or the 2012 Plan. The maximum aggregate number of 

common shares which may be issued pursuant to all awards under the 2012 Plan is 4,000,000 shares. The following paragraphs 
describe the principal terms of the 2012 Plan. 

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Types of Awards 

The types of awards we may grant under the plans include the options to purchase our common shares at a specified price and in a 

specified period determined by our board. Under the 2012 Plan, we may also grant awards of our (1) restricted shares, (2) restricted 
share units, (3) dividend equivalents, (4) deferred shares, (5) share payments and (6) share appreciation rights under the terms and 
conditions determined by our board of directors. 

Eligibility 

We may grant awards to our directors, officers, advisors and employees of us and our wholly owned subsidiaries and any entity 

which may thereafter be established. 

Plan Administration 

Our board of directors will administer the plans. The board will determine the terms and conditions of each grant, including but 

not limited to, the exercise, grant or purchase prices, any reload provision, any restrictions or limitations on the awards, vesting 
schedules, restrictions on the exercisability of the awards, any accelerations or waivers, and any provision related to non-competition 
and recapture of gain on the awards. 

Award Agreement 

Awards granted under the plans will be evidenced by an award agreement that will set forth the terms, conditions and limitations 

for each award. The award agreement should be signed by the employee and a director or an officer of us. Share awards may be 
evidenced by way of an issuance of certificates or book entries with appropriate legends. The certificates and book entry procedures 
may be subject to counsels’ advice, stop-transfer orders or other conditions or restrictions where the plan administrator deems 
necessary to comply with the required laws and regulations. 

Vesting 

The 2012 Plan provides that the administrator may set the period during which an option or a share appreciation right can be 
exercised and may determine that an option or a share appreciation right may not be exercised for a specified period after it is granted. 
Such vesting can be based on criteria selected by the administrator. At any time after the grant of an option or a share appreciation 
right, the administrator may, in its sole discretion and subject to terms and conditions it determines, accelerate the period during which 
an option or a share appreciation right vests. No portion of an option or a share appreciation right unexercisable at the termination of 
service of an option or a share appreciation right holder with our company or subsidiaries can become exercisable afterwards, unless 
otherwise provided by the administrator. 

Exercise Price and Term of Awards 

The exercise price per share of options granted under the 2012 Plan is determined by the plan administrator in the award 

agreement. The price may be fixed or variable related to the fair market value of our ordinary shares. The term of any option granted 
should not exceed ten years. However in the case where our incentive option is granted to an individual who, at the date of grant, owns 
more than ten percent of the total voting power of all classes of our shares, the price granted shall not be less than 110% of the fair 
market value on the date of grant and the option is exercisable for no more than five years from the date of grant. 

For common share awards granted under the 2012 Plan, namely (1) restricted shares, (2) restricted share units, (3) dividend 
equivalents, (4) deferred shares, and (5) share payments, the consideration shall not be less than the par value of the shares purchased. 
The terms of the share awards are set by the plan administrator in its sole discretion. 

The exercise price of share appreciation right under the 2012 Plan is determined by the plan administrator and set forth in the 

award agreement which may be a fixed or variable price related to the fair market value of the shares. The term of the share 
appreciation right will not exceed ten years. 

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The approval of shareholders is required for downward adjustment of the exercise prices of options or share appreciation rights. A 

downward adjustment of the exercise prices of options or share appreciation rights means (i) lowering the exercise price of 
outstanding options or share appreciation rights, or (ii) cancelling outstanding options or share appreciation rights in exchange for 
cash, other awards, or options or share appreciation rights with an exercise price that is less than the exercise price of the original 
options or share appreciation rights. 

Transfer Restrictions 

The awards granted under the 2012 Plan may not be sold, pledged, assigned or transferred other than by will or the laws of 

descent and distribution or, subject to the consent of the plan administrator, as required under the applicable laws. 

Amendments or Termination 

The 2012 Plan provides that in the event of any changes affecting our common shares or our share price, the plan administrator 
can make proportionate and equitable adjustments to reflect such changes. Upon or in anticipation of a corporate transaction, including 
acquisition, disposal of substantially all or all assets, reverse takeover, dissolution, the plan administrator should in its discretion 
provide for replacement or assumption of such award. In the event of other changes, the board of directors should in its discretion 
make adjustments in the number and class of shares subject to awards outstanding on the date of such change to prevent dilution or 
enlargement of rights. The 2012 Plan will expire and no further awards may be granted after the tenth anniversary of the plan was 
adopted. 

C.     Board Practices 

Board of Directors 

Our Articles of Association prescribes that we should have a minimum of one and a maximum of 15 directors. Currently, our 
board of directors comprises five board members, four of whom are independent. Under Antigua law, our directors have a duty of 
loyalty to act honestly, in good faith and with a view to our best interests. Our directors also have a duty to exercise the skill they 
actually possess and such care and diligence that a reasonably prudent person would exercise in comparable circumstances. In 
fulfilling their duty of care to us, our directors must ensure compliance with our Articles of Incorporation and by-laws, as amended 
and re-stated from time to time. A shareholder has the right to seek damages if a duty owed by our directors is breached. 

The functions and powers of our board of directors include, among others: 

•                  convening shareholders’ annual general meetings and reporting its work to shareholders at such meetings; 

•                  declaring dividends and distributions; 

•                  appointing officers and determining the term of office of officers; 

•                  exercising the borrowing powers of our company and mortgaging the property of our company; and 

•                  approving the transfer of shares of our company, including the registering of such shares in our share register. 

Terms of Directors and Executive Officers 

Our officers are elected by and serve at the discretion of the board of directors. Our directors are not subject to a term of office 

and hold office until a successor is elected at the next annual shareholders’ meeting. A director will be removed from office 
automatically if, among other things, the director (i) becomes bankrupt or makes any arrangement or composition with his creditors or 
(ii) dies or is found by our company to be or becomes of unsound mind. None of our directors has a service contract with us or any of 
our subsidiaries providing for benefits upon termination of employment. 

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Committees of the Board of Directors 

Our board of directors has established an audit committee, a compensation committee and a corporate governance and nominating 

committee. 

Audit Committee 

Our audit committee consists of Messrs. Simon Anderson, Yuk Lam Lo and Meng Mei, and is chaired by Simon Anderson, all of 

whom satisfy the “independence” requirements of Rule 5605 of the NASDAQ Listing Rules and Rule 10A-3 under the Securities 
Exchange Act of 1934. The audit committee oversees our accounting and financial reporting processes and the audits of the financial 
statements of our company. The audit committee is responsible for, among other things: 

•                  selecting our independent auditors and pre-approving all auditing and non-auditing services permitted to be performed by our 

independent auditors; 

•                  reviewing with our independent auditors any audit problems or difficulties and management’s response; 

•                  reviewing and approving all proposed related-party transactions, as defined in Item 404 of Regulation S-K under the 

Securities Act; 

•                  discussing the annual audited financial statements with management and our independent auditors; 

•                  reviewing major issues as to the adequacy of our internal controls and any special audit steps adopted in light of material 

control deficiencies; 

•                  annually reviewing and reassessing the adequacy of our audit committee charter; 

•                  such other matters that are specifically delegated to our audit committee by our board of directors from time to time; 

•                  meeting separately and periodically with management and our internal and independent auditors; and 

•                  reporting regularly to the full board of directors. 

In 2014, our audit committee held meetings or passed resolutions by unanimous written consent nine times. 

Compensation Committee 

Our compensation committee consists of Messrs. Meng Mei, Simon Anderson, Yuk Lam Lo, and Kenneth Lee , and is chaired by 

Mr. Meng Mei, all of whom satisfy the “independence” requirements of Rule 5605 of the NASDAQ Listing Rules and Rule 10C-1 
under the Securities Exchange Act of 1934. Our compensation committee assists the board in reviewing and approving the 
compensation structure of our directors and executive officers, including all forms of compensation to be provided to our directors and 
executive officers. Members of the compensation committee are not prohibited from direct involvement in determining their own 
compensation. Our chief executive officer may not be present at any committee meeting during which his compensation is deliberated. 
The compensation committee is responsible for, among other things: 

•                  approving and overseeing the compensation package for our executive officers; 

•                  reviewing and making recommendations to the board with respect to the compensation of our directors; 

•                  reviewing and approving corporate goals and objectives relevant to the compensation of our chief executive officer, 

evaluating the performance of our chief executive officer in light of those goals and objectives, and setting the compensation 
level of our chief executive officer based on this evaluation; and 

•                  reviewing periodically and making recommendations to the board regarding any long-term incentive compensation or equity 

plans, programs or similar arrangements, annual bonuses, employee pension and welfare benefit plans. 

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In 2014, our compensation committee held meetings or passed resolutions by unanimous written consent twice. 

Corporate Governance and Nominating Committee 

Our corporate governance and nominating committee consists of Messrs. Yuk Lam Lo,Simon Anderson,  Kenneth Lee and Meng 
Mei, and is chaired by Mr. Yuk Lam Lo, all of whom satisfy the “independence” requirements of Rule 5605 of the NASDAQ Listing 
Rules. The corporate governance and nominating committee assists the board of directors in identifying individuals qualified to 
become our directors and in determining the composition of the board and its committees. The corporate governance and nominating 
committee is responsible for, among other things: 

•                  identifying and recommending to the board nominees for election or re-election to the board, or for appointment to fill any 

vacancy; 

•                  reviewing annually with the board the current composition of the board in light of the characteristics of independence, age, 

skills, experience and availability of service to us; 

•                  identifying and recommending to the board the directors to serve as members of the board’s committees; 

•                  advising the board 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 the board on all matters of 
corporate governance and on any corrective action to be taken; and 

•                  monitoring compliance with our code of business conduct and ethics, including reviewing the adequacy and effectiveness of 

our procedures to ensure proper compliance. 

In 2014, our corporate governance and nominating committee held meetings or passed resolutions by unanimous written consent 

once. 

Interested Transactions 

A director may vote in respect of any contract or transaction in which he or she is interested, provided that the nature of the 
interest of any directors in such contract or transaction is disclosed by him or her at or prior to its consideration and any vote in that 
matter. 

Remuneration and Borrowing 

The directors may determine remuneration to be paid to the directors. The compensation committee assists the directors in 

reviewing and approving the compensation structure for the directors. The directors may exercise all our powers to borrow money and 
to mortgage or charge its undertaking, property and uncalled capital, and to issue debentures or other securities whether outright or as 
security for any debt obligations of our company or of any third party. 

D.            Employees 

As of December 31, 2014, 2013 and 2012, we had 668, 715 and 652 full-time employees, respectively. In 2014, less headcount is 
required for production function resulted from the improvement of production efficiency. Of our workforce as of December 31, 2014, 
about 145 employees are primarily engaged in research and development, 173 employees are engaged in sales and marketing, 282 
employees in production related, and 68 employees in administration. As of December 31, 2014, we have a total of 112 temporary 
employees. We consider our relationship with our employees to be good. 

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E.             Share Ownership 

The following table sets forth information with respect to the beneficial ownership of our common shares, as of December 31, 

2014, by: 

•                  each of our directors and executive officers; and 

•                  each person/organization known to us to own beneficially more than 5% of our common shares. 

The calculations in the table below are based on 55,809,661 common shares outstanding as of December 31, 2014. Beneficial 
ownership is determined in accordance with the rules and regulations of the SEC. In computing the number of shares beneficially 
owned by a person and the percentage ownership of that person, we have included shares that the person has the right to acquire 
within 60 days, including through the exercise of any option, warrant or other right or the conversion of any other security. These 
shares, however, are not included in the computation of the percentage ownership of any other person. 

Directors and Executive Officers: 
Weidong Yin 
Simon Anderson 
Yuk Lam Lo 
Nan Wang 
Ming Xia 
Institutional Shareholders (as of December 31,2014)
SAIF Partners IV
Wellington Management Company, LLP
(3) 
1 Globe capital, L.L.C
Orbimed Advisor, L.L.C.

(2) 

(4) 

(1) 

Shares Beneficially Owned 
% 
Number

6,049,500 
50,000 
50,000
45,000 
76,500

10,595,720 
4,389,060 
3,385,776 
2,821,500

10.84%
*  
*  
*  
*  

18.99%
7.86%
6.07%
5.06%

*   Less than 1%. 
(1)         According to the 13-D Filing made by SAIF Partners on December 31, 2013 
(2)         According to the 13-D Filing made by Wellington Management Company, LLP on December 31, 2014 
(3)         According to the 13-D Filing made by 1 Globe capital, L.L.C on December 31, 2013 
(4)         According to the 13-D Filing made by Orbimed Advisor, L.L.C on December 31, 2014 

None of our existing shareholders has different voting rights from other shareholders. We are not aware of any arrangement that 

may, at a subsequent date, result in a change of control of our company. 

As of December 31, 2014, 55,809,661 of our common shares were issued and outstanding. Approximately 89% of the issued and 

outstanding shares are held by the record shareholders in the United States. 

For the options granted to our directors, officers and employees, please refer to “— B. Compensation of Directors and Executive 

Officers.” 

ITEM 7. MAJOR SHAREHOLDERS AND RELATED PARTY TRANSACTIONS 

A.            Major Shareholders 

Please refer to “Item 6. Directors, Senior Management and Employees — Share Ownership.” 

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B.            Related Party Transactions 

Transaction with Yuk Lam Lo 

In connection to the establishment of the Sinovac Hong Kong, we have been using part of our independent director’s office as our 

office. We pay our share of the utilities and property management fees, which were insignificant for 2012, 2013 and 2014. 

Transactions with Certain Directors and Affiliates 

We entered into two operating lease agreements with SinoBioway, a non-controlling shareholder of Sinovac Beijing, in 2004, 
with respect to Sinovac Beijing’s production plant and laboratory in Beijing, China with annual lease payments totaling $0.2 million 
(RMB 1.4 million). The leases commenced on August 12, 2004 and have a term of 20 years. One of the lease agreements was 
amended on August 12, 2010 to increase the rent from $81,000 (RMB 0.5 million) to $0.2 million (RMB 1.4 million) per year. 

In June 2007, we entered into another operating lease agreement with SinoBioway, with respect to the expansion of Sinovac 
Beijing’s production plant in Beijing, China for an annual lease payment of $0.3 million (RMB 2.0 million). The lease commenced in 
June 2007 and has a term of 20 years. 

In September 2010, we entered into another operating lease agreement with SinoBioway with respect to expansion of Sinovac 
R&D’s business on research and development for an annual lease payment of $0.2 million (RMB 1.0 million). The lease commenced 
on September 30, 2010 and has a term of five years. 

On April 8, 2013, we entered into three supplemental agreements with SinoBioway, under which the expiration date of three of 

the operating lease agreements was extended to April 7, 2033. 

On October 24, 2014, the board of directors passed a resolution to increase capital contribution to Sinovac Dalian in the amount 

of $12.9 million (RMB 80 million) among which $8.1 million (RMB 50 million) was provided through foreign debt first with the 
expectation of a debt to equity swap of the total amount when the remaining $4.84 million (RMB 30 million) is provided to Sinovac 
Dalian. 

Loan from a non-controlling shareholder 

In 2011, Sinovac Dalian entered into an agreement to borrow $3.2 million (RMB 20 million) loan from its non-controlling 
shareholder, Dalian Jin Gang Group. The loan was unsecured, bearing interest at 7.2% per year. $0.7 million (RMB 4 million) was 
repaid on September 25, 2014. 

Share Options 

See ITEM 6.B. “Directors, Senior Management and Employees — 2003 Stock Option Plan” and “Directors, Senior Management 

and Employees — 2012 Share Incentive Plan.” 

C.            Interests of Experts and Counsel 

Not applicable. 

ITEM 8. FINANCIAL INFORMATION 

A.            Consolidated Statements and Other Financial Information 

We have appended consolidated financial statements filed as part of this annual report. 

Legal and Administrative Proceedings 

We are not currently a party to any material litigation or other legal proceedings brought against us. We are also not aware of any 
legal proceedings, investigation or claim, or other legal exposure that has a more than remote possibility of having a material adverse 
effect on our business, financial condition or results of operations. We may be subject to legal proceedings, investigations and claims 
incidental to the conduct of our business from time to time. 

Dividend Policy 

We have never declared or paid any dividends, nor do we have any present plan to pay any cash dividends on our common shares 

in the foreseeable future. We currently intend to retain most, if not all, of our available funds and any future earnings to operate and 
expand our business. 

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Our board of directors has complete discretion on whether to pay dividends. Even if our board of directors decides to pay 
dividends, the form, frequency and amount will depend upon our future operations and earnings, capital requirements and surplus, 
general financial condition, contractual restrictions and other factors that the board of directors may deem relevant. Cash dividends on 
our common shares, if any, will be paid in U.S. dollars. 

We are a holding company, and we rely on the dividends paid by our majority-owned subsidiary, Sinovac Beijing and Sinovac 

Dalian, and wholly owned subsidiaries Sinovac R&D through Sinovac HK and wholly owned Tangshan Yian, for our cash needs, 
including the funds necessary to pay any dividends and other cash distributions to our shareholders, service any debt we may incur and 
pay our operating expenses. The payment of dividends in China is subject to limitations. Regulations in the PRC currently permit 
payment of dividends by our PRC subsidiaries only out of accumulated profits as determined in accordance with accounting standards 
and regulations in China.In accordance with the regulations in China, Sinovac Beijing, Tangshan Yian, and Sinovac R&D are required 
to set aside at least 10% of its after-tax profits each year to contribute to its reserve fund until the accumulated balance of such reserve 
fund reaches 50% of the registered capital of each company. And both Sinovac Beijing, Tangshan Yian and Sinovac R&D are 
required to set aside, at the discretion of their respective board of directors, a portion of its after-tax profits to their employee welfare 
and bonus funds. 

Furthermore, under the PRC Enterprise Income Tax Law promulgated on March 16, 2007, and its implementation 

rules promulgated by the State Council of China on December 6, 2007, if we are deemed as a non-PRC tax resident enterprise without 
an office or premises in the PRC, withholding tax at the rate of 10% will be applicable to dividends received by us from Tangshan 
Yian, unless the tax is entitled to reduction or elimination in accordance with any future PRC laws or regulations or an applicable tax 
treaty between the PRC and Antigua and Barbuda. As of the date of this annual report, Antigua and Barbuda has not entered into any 
such tax treaties with the PRC. Pursuant to the double tax arrangement between Hong Kong and PRC, dividends paid by a foreign-
invested enterprise in China to its direct holding company in Hong Kong will be subject to withholding tax at a rate of no more than 
5% (if the foreign investor owns directly at least 25% of the shares of the foreign-invested enterprise for a period greater than 12 
months), or otherwise 10%. Whether the favorable rate will be applicable to dividends received by Sinovac Hong Kong from our PRC 
subsidiaries is subject to the approval of the PRC tax authorities because it is unclear whether Sinovac Hong Kong is considered as the 
beneficial owner of the dividends in substance. The PRC tax authorities have discretion to assess whether a recipient of the PRC-
sourced income is only an agent or a conduit, or lacks the requisite amount of business substance, in which case the application of the 
tax arrangement may be denied. This new withholding tax imposed on dividends paid to us by our PRC subsidiaries would reduce our 
net income attributable to the shareholders. In May 2012, Sinovac Hong Kong was granted by the local tax bureau the status of 5% 
withholding tax on dividends declared by Sinovac Beijing for three years from 2012 to 2014. The State Administration of Taxation 
has the authority to re-assess the approval of the preferential dividend withholding tax rate granted by the local tax bureau. 

B.            Significant Changes 

Except as disclosed elsewhere in this annual report, we have not experienced any significant changes since the date of our audited 

consolidated financial statements included in this annual report. 

ITEM 9. THE OFFER AND LISTING 

A.            Offer and Listing Details 

The table below sets forth, for the periods indicated, the high and low closing prices on the NASDAQ Global Market and the 

NASDAQ Global Select Market for our common shares. 

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Annual High and Low 
2010 
2011 
2012 
2013 
2014 
Quarterly High and Low 

First quarter 2013 
Second Quarter 2013 
Third Quarter 2013 
Fourth Quarter 2013 
First quarter 2014 
Second Quarter 2014 
Third Quarter 2014 
Fourth Quarter 2014 
First Quarter 2015 
Monthly High and Low 
October 2014 
November 2014 
December 2014 
January 2015 
February 2015 
March 2015 
April 2015 (through April 23, 2015) 

B.            Plan of Distribution 

Not applicable. 

C.            Markets 

Sales Price

High 

Low

$

7.78   $
4.92  
3.50  
6.57  
8.14  

5.09  
4.40  
6.27  
6.57  
8.14  
7.47  
6.03  
5.64  
5.36  

5.64  
5.50  
5.39  
5.36  
5.07  
5.10  
5.21  

3.50
1.91 
1.64
3.00 
4.51 

3.00 
3.16
3.80 
5.34
5.98 
5.50 
4.51 
4.62 
4.56

4.64
4.62 
4.66 
4.56 
4.68 
4.73
4.85 

Our common shares have been listed on the NASDAQ Global Select Market since January 3, 2011 under the symbol “SVA.” 

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 an Antiguan company with limited liability and our affairs are governed by our Articles of Incorporation, By-laws and the 
International Business Corporation Act. The following are summaries of material provisions of our Articles of Incorporation, By-laws 
and the International Business Corporations Act. 

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General 

All of our outstanding common shares are fully paid and non-assessable. The common shares are issued in registered form. 
Holders of common shares are entitled to receive share certificates. Our shareholders who are non-residents of Antigua may freely 
hold and vote their common shares. 

Dividends 

The holders of our common shares are entitled to such dividends as may be declared by our board of directors subject to the 

International Business Corporations Act. 

Voting Rights 

Each common share is entitled to one vote on all matters upon which the common shares are entitled to vote. 

A quorum required for a meeting of shareholders consists of shareholders who hold at least a majority of our shares at the meeting 

present in person or by proxy. Shareholders’ meetings are held annually and may be convened by our board of directors on its own 
initiative or upon a request to the directors by shareholders holding in aggregate at least five percent of our issued share capital. 
Advance notice of at least 21 days is required for the convening of our annual general meeting and other shareholders meetings. 

Unless the International Business Corporations Act otherwise requires, resolutions to be passed by the shareholders requires a 
simple majority vote. Important matters such as changes to our by-laws require a resolution passed by a vote of shareholders holding a 
majority of all the outstanding and issued shares. 

Transfer of Common Shares 

Our shareholders may transfer common shares by endorsing the relevant share certificates, completing a share transfer form or by 

other proper evidence of succession, assignment or authority to transfer. 

Liquidation 

On a return of capital on winding up or otherwise (other than on conversion, redemption or purchase of common shares), assets 
available for distribution among the holders of common shares shall be distributed among the holders of the common 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. 

Inspection of Books and Records 

Holders of our common shares will have no general right under Antigua law to inspect or obtain copies of our list of shareholders 
or our corporate records. They may, however, access such corporate information as is publicly available in the Companies Registry in 
St. John’s, Antigua. We will also provide our shareholders with annual audited consolidated financial statements. 

Changes in Capital 

We may from time to time by a resolution passed by a majority of the shares entitled to vote: 

•                  increase the share capital by such sum, to be divided into shares of such classes and amount, as the resolution may prescribe; 

•                  consolidate and divide all or any of our share capital into shares of a larger amount than our existing shares; 

•                  sub-divide our existing shares, or any of them into shares of a smaller amount provided that in the subdivision the proportion 
between the amount paid and the amount, if any unpaid on each reduced share shall be the same as it was in case of the share 
from which the reduced share is derived; and 

•                  cancel any shares which, at the date of the passing of the resolution, have not been taken or agreed to be taken by any person 

and diminish the amount of our share capital by the amount of the shares so cancelled. 

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We may by special resolution reduce our share capital and any capital redemption reserve in any manner authorized by law. 

Differences in Corporate Law 

The International Business Corporations Act is modeled after English law but does not follow many recent English law statutory 

enactments. In addition, the International Business Corporations Act differs from laws applicable to United States corporations and 
their shareholders. Set forth below is a summary of the significant differences between the provisions of the International Business 
Corporations Law applicable to us and the laws applicable to companies incorporated in the United States and their shareholders. 

Mergers and Similar Arrangements 

Antigua and Barbuda law does not provide for mergers as that expression is understood under United States corporate law. 

However, there are statutory provisions for amalgamation that facilitate the consolidation of companies, provided that the arrangement 
is approved by a majority number of each class of shareholders and creditors with whom the arrangement is to be made, and who must 
in addition represent three-fourths in value of each such class of shareholders or creditors, as the case may be, that are present and 
voting either in person or by proxy at a meeting, or meetings, convened for that purpose. The convening of the meetings and 
subsequently the arrangement may be, but is not required to be, sanctioned by the High Court of Antigua and Barbuda. While a 
dissenting shareholder has the right to express to the court his view that the transaction ought not to be approved, the court can be 
expected to approve the arrangement if it determines that: 

•                  the statutory provisions as to the dual majority vote have been met; 

•                  the shareholders have been fairly represented at the meeting in question; 

•                  the arrangement is such that a businessman would reasonably approve; and 

•                  the arrangement is not one that would more properly be sanctioned under some other provision of the International Business 

Corporations Act. 

When a take-over offer is made and accepted (within four months) by holders of 90% of the shares affected, the offerer may, 
within a two-month period, require the holders of the remaining shares to transfer such shares on the terms of the offer. An objection 
can be made to the High Court of Antigua and Barbuda but this is unlikely to succeed unless there is evidence of fraud, bad faith or 
collusion. 

If the arrangement and reconstruction is thus approved, the dissenting shareholder would have no rights comparable to appraisal 

rights, which would otherwise ordinarily be available to dissenting shareholders of United States corporations, providing rights to 
receive payment in cash for the judicially determined value of the shares. 

Shareholders’ Suits 

We are not aware of any reported class action or derivative action having been brought in a court in Antigua and Barbuda. In 

principle, the company itself will normally be the proper claimant in actions against directors, and derivative actions may not 
generally be brought by a minority shareholder. However, based on English authorities, which would in all likelihood be of persuasive 
authority in Antigua and Barbuda, there are exceptions to the foregoing principle, including when: 

•                  a company acts or proposes to act illegally or ultra vires; 

•                  the act complained of, although not ultra vires, required a special resolution, which was not obtained; and 

•                  those who control the company are perpetrating a “fraud on the minority.” 

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Directors’ Fiduciary Duties 

Under Delaware corporate law, a director of a Delaware corporation has a fiduciary duty to the corporation and its shareholders. 

This duty has two components: the duty of care and the duty of loyalty. The duty of care requires that a director act in good faith, with 
the care that an ordinarily prudent person would exercise under similar circumstances. Under this duty, a director must inform himself 
of, and disclose to shareholders, all material information reasonably available regarding a significant transaction. The duty of loyalty 
requires that a director act in a manner he reasonably believes to be in the best interests of the corporation. He must not use his 
corporate position for personal gain or advantage. This duty prohibits self-dealing by a director and mandates that the best interest of 
the corporation and its shareholders take precedence over any interest possessed by a director, officer or controlling shareholder and 
not shared by the shareholders generally. In general, actions of a director are presumed to have been made on an informed basis, in 
good faith and in the honest belief that the action taken was in the best interests of the corporation. However, this presumption may be 
rebutted by evidence of a breach of one of the fiduciary duties. Should such evidence be presented concerning a transaction by a 
director, a director must prove the procedural fairness of the transaction, and that the transaction was of fair value to the corporation. 
As a matter of Antigua and Barbuda law, a director of an Antigua and Barbuda company is in the position of a fiduciary with respect 
to the company and therefore it is considered that he owes the following duties to the company — a duty to act bona fide in the best 
interests of the company, a duty not to make a profit out of his position as director (unless the company permits him to do so) and a 
duty not to put himself in a position where the interests of the company conflict with his personal interest or his duty to a third-party. 
A director of an Antigua and Barbuda company owes to the company a duty to act with skill and care. It was previously considered 
that a director need not exhibit in the performance of his duties a greater degree of skill than may reasonably be expected from a 
person of his knowledge and experience. However, English and Commonwealth courts have moved towards an objective standard 
with regard to the required skill and care and these authorities are likely to be followed in Antigua and Barbuda. 

Shareholder Action by Written Consent 

Under the Delaware General Corporation Law, a corporation may eliminate the right of shareholders to act by written consent by 

amendment to its certificate of incorporation. Antigua and Barbuda law and our by-laws provide that shareholders may approve 
corporate matters by way of a unanimous written resolution signed by or on behalf of each shareholder who would have been entitled 
to vote on such matter at a general meeting without a meeting being held. 

Shareholder Proposals 

Under the Delaware General Corporation Law, a shareholder has the right to put any proposal before the annual meeting of 
shareholders, provided it complies with the notice provisions in the governing documents. A special meeting may be called by the 
board of directors or any other person authorized to do so in the governing documents, but shareholders may be precluded from calling 
special meetings. Antigua and Barbuda law and our by-laws allow our shareholders holding not less than five per cent of the paid up 
voting share capital of the company to requisition a shareholder’s meeting. We are obligated under our by-laws and the International 
Business Corporations Act to call shareholders’ annual general meetings. 

Cumulative Voting 

Under the Delaware General Corporation Law, cumulative voting for elections of directors is not permitted unless the 

corporation’s certificate of incorporation specifically provides for it. Cumulative voting potentially facilitates the representation of 
minority shareholders on a board of directors since it permits the minority shareholder to cast all the votes to which the shareholder is 
entitled on a single director, which increases the shareholder’s voting power with respect to electing such director. As permitted under 
Antigua and Barbuda law, our by-laws will not provide for cumulative voting. As a result, our shareholders are not afforded any less 
protections or rights on this issue than shareholders of a Delaware corporation. 

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Removal of Directors 

Under the Delaware General Corporation Law, a director of a corporation with a classified board may be removed only for cause 

with the approval of a majority of the outstanding shares entitled to vote, unless the certificate of incorporation provides otherwise. 
Under our by-laws, directors can be removed by a majority vote of the shareholders. 

Transactions with Interested Shareholders 

The Delaware General Corporation Law contains a business combination statute applicable to Delaware public corporations 

whereby, unless the corporation has specifically elected not to be governed by such statute by amendment to its certificate of 
incorporation, it is prohibited from engaging in certain business combinations with an “interested shareholder” for three years 
following the date that such person becomes an interested shareholder. An interested shareholder generally is a person or a group who 
or which owns or owned 15% or more of the target’s outstanding voting stock within the past three years. This has the effect of 
limiting the ability of a potential acquirer to make a two-tiered bid for the target in which all shareholders would not be treated 
equally. The statute does not apply if, among other things, prior to the date on which such shareholder becomes an interested 
shareholder, the board of directors approves either the business combination or the transaction which resulted in the person becoming 
an interested shareholder. This encourages any potential acquirer of a Delaware public corporation to negotiate the terms of any 
acquisition transaction with the target’s board of directors. 

Antigua and Barbuda law has no comparable statute. As a result, we cannot avail ourselves of the types of protections afforded by 

the Delaware business combination statute. However, although Antigua and Barbuda law does not regulate transactions between a 
company and its significant shareholders, it does provide that such transactions must be entered into bona fide in the best interests of 
the company and not with the effect of constituting a fraud on the minority shareholders. 

Dissolution; Winding Up 

Under the Delaware General Corporation Law, unless the board of directors approves the proposal to dissolve, dissolution must 

be approved by shareholders holding 100% of the total voting power of the corporation. Only if the dissolution is initiated by the 
board of directors may it be approved by a simple majority of the corporation’s outstanding shares. Delaware law allows a Delaware 
corporation to include in its certificate of incorporation a supermajority voting requirement in connection with dissolutions initiated by 
the board. Under the International Business Corporations Law, our company may be dissolved, liquidated or wound up only by the 
vote of holders of two-thirds of our shares voting at a meeting or the unanimous written resolution of all shareholders. 

Variation of Rights of Shares 

Under the Delaware General Corporation Law, a corporation may vary the rights of a class of shares with the approval of a 

majority of the outstanding shares of such class, unless the certificate of incorporation provides otherwise. Under Antigua and 
Barbuda law and our by-laws, if our share capital is divided into more than one class of shares, we may vary the rights attached to any 
class only with the vote at a class meeting of holders of two-thirds of the shares of such class or unanimous written resolution. 

Amendment of Governing Documents 

Under the Delaware General Corporation Law, a corporation’s governing documents may be amended with the approval of a 
majority of the outstanding shares entitled to vote, unless the certificate of incorporation provides otherwise. As permitted by Antigua 
and Barbuda law, our by-laws may only be amended with the vote of holders representing a majority of all our shares voting issued 
and outstanding or the unanimous written resolution of all shareholders. By-laws can be amended by a vote or unanimous written 
resolution of the directors. 

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Indemnification of Directors and Executive Officers and Limitation of Liability 

Antigua and Barbuda law does not limit the extent to which a company’s by-laws may provide for indemnification of officers and 
directors, except to the extent any such provision may be held by the Antigua and Barbuda courts to be contrary to public policy, such 
as to provide indemnification against civil fraud or the consequences of committing a crime. Our by-laws permit indemnification of 
officers and directors for losses, damages, costs and expenses incurred in their capacities as such unless such losses or damages arise 
from negligence or illegal action of such directors or officers. This standard of conduct is generally the same as permitted under the 
Delaware General Corporation Law to a Delaware corporation. In addition, we have entered into indemnification agreements with our 
directors and senior executive officers that provide such persons with additional indemnification beyond that provided in our by-laws. 

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 as a matter of United States law. 

We have obtained directors and officers insurance providing indemnification for our directors for certain liabilities. 

Anti-takeover Provisions in the By-laws 

Some provisions of our By-laws may discourage, delay or prevent a change in control of our company or management that 
shareholders may consider favorable, including provisions that authorize our board of directors to issue preference shares in one or 
more series and to designate the price, rights, preferences, privileges and restrictions of such preference shares without any further 
vote or action by our shareholders. 

However, under Antigua and Barbuda law, our directors may only exercise the rights and powers granted to them under our By-

laws for what they believe in good faith to be in the best interests of our company. 

Rights of Non-resident or Foreign Shareholders 

There are no limitations imposed by our by-laws on the rights of non-resident or foreign shareholders to hold or exercise voting 
rights on our shares. In addition, there are no provisions in our by-laws governing the ownership threshold above which shareholder 
ownership must be disclosed. 

C.            Material Contracts 

We have not entered into any material contracts other than in the ordinary course of business and other than those described in 

Item 4, “Information on the Company” or elsewhere in this annual report on Form 20-F. 

D.            Exchange Controls 

Foreign Currency Exchange 

Pursuant to the Foreign Currency Administration Rules promulgated in 1996 and amended in 1997 and various regulations issued 
by State Administration of Foreign Exchange, or SAFE, and other relevant PRC government authorities, renminbi is freely convertible 
only to the extent of current account items, such as trade related receipts and payments, interest and dividends. Capital account items, 
such as direct equity investments, loans and repatriation of investment, require the prior approval from SAFE or its local counterpart 
for conversion of renminbi into a foreign currency, such as U.S. dollars, and remittance of the foreign currency outside the PRC. 

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Payments for transactions that take place within PRC must be made in renminbi. Unless otherwise approved, PRC companies 

must repatriate foreign currency payments received from abroad. Foreign-invested enterprises may retain foreign exchange in 
accounts with designated foreign exchange banks subject to a cap set by SAFE or its local counterpart. Unless otherwise approved, 
domestic enterprises must convert all of their foreign currency receipts into renminbi. 

E.             Taxation 

Antigua and Barbuda Taxation 

We and our securities holders, other than those resident in Antigua and Barbuda, are exempt from Antigua and Barbuda income, 
corporation or profits tax, withholding tax, capital gains tax, capital transfer tax, estate duty or inheritance tax. We are not subject to 
stamp or other similar duty on the issuance, transfer or redemption of our common shares. Under Section 276 of the International 
Business Corporations Act of Antigua and Barbuda, the tax exemption we and our securities holders currently enjoy will continue in 
effect for a period of 50 years from our date of incorporation, which is March 1, 1999. No reciprocal income tax treaty affecting us 
exists between Antigua and Barbuda and the United States. 

United States Federal Income Taxation 

The following discussion describes the material U.S. federal income tax consequences to U.S. Holders (as defined below) under 

current law of an investment in our common shares. This discussion applies only to U.S. Holders that hold our common shares as 
capital assets (generally, property held for investment) and have the U.S. dollar as their functional currency. This discussion is based 
on the tax laws of the United States as in effect on the date of this annual report and on U.S. Treasury regulations in effect or, in some 
cases, proposed as of the date of this annual report, as well as judicial and administrative interpretations thereof available on or before 
such date. All of the foregoing authorities are subject to change, which change could apply retroactively and could affect the tax 
consequences described below. The following discussion does not address all U.S. federal income tax consequences relevant to a U.S. 
Holder’s particular circumstances, including the impact of the Medicare contribution tax on net investment income. 

The following discussion does not deal with the tax consequences to any particular investor or to persons in special tax situations 

such as: 

•                  banks and other financial institutions; 

•                  insurance companies; 

•                  regulated investment companies; 

•                  real estate investment trusts; 

•                  broker-dealers; 

•                  traders that elect to use a mark-to-market method of accounting; 

•                  U.S. expatriates; 

•                  tax-exempt entities; 

•                  persons liable for alternative minimum tax; 

•                  persons holding a common share as part of a straddle, hedging, conversion or integrated transaction; 

•                  persons that actually or constructively own 10% or more of the total combined voting power of all classes of our voting 

stock; 

•                  partnerships or other pass-through entities, or persons holding our common shares through such entities; or 

•                  persons who acquired our common shares pursuant to the exercise of any employee share option or otherwise as 

compensation. 

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INVESTORS ARE URGED TO CONSULT THEIR TAX ADVISORS REGARDING THE APPLICATION OF THE U.S. 
FEDERAL INCOME TAX RULES TO THEIR PARTICULAR CIRCUMSTANCES AS WELL AS THE ESTATE AND GIFT, 
STATE, LOCAL AND FOREIGN TAX CONSEQUENCES TO THEM OF THE PURCHASE, OWNERSHIP AND DISPOSITION 
OF OUR COMMON SHARES. 

The discussion below of the U.S. federal income tax consequences to “U.S. Holders” will apply to you if you are a beneficial 

owner of our common shares and you are, for U.S. federal income tax purposes: 

•                  an individual who is a citizen or resident of the United States; 

•                  a corporation (or other entity taxable as a corporation for U.S. federal income tax purposes) created or organized 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 that (1) is subject to the primary supervision of a court within the United States and the control of one or more U.S. 
persons for all substantial decisions or (2) has a valid election in effect under applicable U.S. Treasury regulations to be 
treated as a U.S. person. 

If a partnership (or other entity taxable as a partnership for U.S. federal income tax purposes) is a beneficial owner of our 

common shares, the tax treatment of a partner in the partnership generally will depend upon the status of the partner and the activities 
of the partnership. 

Taxation of Dividends and Other Distributions on Our Common Shares 

Subject to the PFIC rules discussed below, the gross amount of any distributions we make to you with respect to our common 
shares generally will be includible in your gross income in the year received as dividend income to the extent the distribution is paid 
out of our current or accumulated earnings and profits (as determined under U.S. federal income tax principles). To the extent the 
amount of the distribution exceeds our current and accumulated earnings and profits, such excess amount will be treated first as a tax-
free return of your tax basis in your common shares, and then, to the extent such excess amount exceeds your tax basis, as capital gain. 
We currently do not, and we do not intend to, calculate our earnings and profits under U.S. federal income tax principles. Therefore, a 
U.S. Holder should expect that a distribution will generally be reported as a dividend even if that distribution would otherwise be 
treated as a non-taxable return of capital or as capital gain under the rules described above. Any dividends we pay will not be eligible 
for the dividends-received deduction allowed to corporations in respect of dividends received from U.S. corporations. 

With respect to certain non-corporate U.S. Holders, including individual U.S. Holders, dividends may constitute “qualified 

dividend income” eligible to be taxed at the preferential rate applicable to capital gains, provided that (1) our common shares are 
readily tradable on an established securities market in the United States, or we are eligible for the benefits of a qualifying income tax 
treaty with the United States that includes an exchange of information program, (2) we are neither a PFIC nor treated as such with 
respect to you (as discussed below) for the taxable year in which the dividend is paid or the preceding taxable year and (3) certain 
holding period requirements are met. Under Internal Revenue Service authority, common shares are considered for the purpose of 
clause (1) above to be readily tradable on an established securities market in the United States if they are listed on the NASDAQ 
Global Select Market, as our common shares are. If we are treated as a “resident enterprise” for PRC tax purposes under the EIT Law 
(see “Item 10. Additional Information — E. Taxation — PRC Taxation”), we may be eligible for the benefits of the income tax treaty 
between the United States and the PRC. You should consult your tax advisors regarding the availability of the lower capital gains rate 
applicable to qualified dividend income for dividends paid with respect to our common shares. 

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Dividends generally will constitute foreign source income for foreign tax credit limitation purposes. If the dividends are taxed as 

qualified dividend income (as discussed above), the amount of the dividend taken into account for purposes of calculating the U.S. 
foreign tax credit limitation generally will be limited to the gross amount of the dividend, multiplied by the reduced tax rate applicable 
to qualified dividend income and divided by the highest tax rate that would be applicable to dividends if not for the reduced tax rate 
applicable to qualified dividend income.. The limitation on foreign taxes eligible for credit is calculated separately with respect to 
specific classes of income. For this purpose, dividends distributed by us with respect to our common shares generally will constitute 
“passive category income” but could, in the case of certain U.S. Holders, constitute “general category income.” 

If PRC withholding taxes apply to dividends paid to you with respect to the common shares (see “Item 10. Additional 

Information — E. Taxation — PRC Taxation”), subject to certain conditions and limitations, such PRC withholding taxes may be 
treated as foreign taxes eligible for credit against your U.S. federal income tax liability. The rules relating to the determination of the 
foreign tax credit are complex, and you should consult your tax advisors regarding the availability of a foreign tax credit in your 
particular circumstances. 

Taxation of Disposition of Our Common Shares 

Subject to the PFIC rules discussed below, you will recognize taxable gain or loss on any sale, exchange or other taxable 
disposition of a common share equal to the difference between the amount realized for the common share and your tax basis in the 
common share. Your tax basis in our common shares will generally equal the cost of such shares. The gain or loss generally will be 
capital gain or loss. If you are a non-corporate U.S. Holder, including an individual U.S. Holder, who has held the common share for 
more than one year, you will be eligible for reduced tax rates. The deductibility of capital losses is subject to limitations. 

Any gain or loss you recognize on a disposition of our common shares generally will be treated as U.S. source income or loss for 

foreign tax credit limitation purposes. However, if we are treated as a resident enterprise for PRC tax purposes and PRC tax may be 
imposed on any gain from the disposition of the common shares in accordance with the income tax treaty between the United States 
and the PRC (see “Item 10. Additional Information — E. Taxation — PRC Taxation”), a U.S. Holder that is eligible for the benefits of 
the income tax treaty between the United States and the PRC may elect to treat the gain as PRC source income. You should consult 
your tax advisors regarding the proper treatment of gain or loss in your particular circumstances. 

Passive Foreign Investment Company 

Based on the market price of our common shares, the value of our assets, and the composition of our income and assets, we do not 

believe we were a PFIC for U.S. federal income tax purposes for our taxable year ended December 31, 2014. 

A non-U.S. corporation will be a PFIC for any taxable year if either: 

•                  at least 75% of its gross income for such year is passive income, or 

•                  at least 50% of the value of its assets (based on an average of the quarterly values of the assets) during such year is 

attributable to assets that produce passive income or are held for the production of passive income. 

For purposes of the PFIC rules, passive income includes, among other things, dividends, interest, royalties, rents, annuities, and 
net gains from certain commodity and foreign currency transactions, subject to certain exceptions. Passive income generally does not 
include rents and royalties derived from the active conduct of a trade or business (other than from a related person). We will be treated 
as owning our proportionate share of the assets and earning our proportionate share of the income of any other corporation in which 
we own, directly or indirectly, at least 25% (by value) of the stock. 

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We must make a separate determination after the close of each year as to whether we were a PFIC for that year. The composition 

of our income and assets will be affected by how, and how quickly, we use any cash we generate from our operations or raise in any 
offering. Because the value of our assets for purposes of the PFIC test will generally be determined by reference to the market price of 
our common shares, fluctuations in the market price of our common shares may cause us to become a PFIC for any subsequent year. If 
we are a PFIC for any year during which you hold our common shares, we generally will continue to be treated as a PFIC with respect 
to you for all succeeding years during which you hold our common shares, unless we cease to be a PFIC and you make a “deemed 
sale” election with respect to our common shares. If such election is made, you will be deemed to have sold common shares you hold 
at their fair market value and any gain from such deemed sale would be subject to the rules described in the following two paragraphs. 
After the deemed sale election, your common shares with respect to which such election was made will not be treated as shares in a 
PFIC unless we subsequently become a PFIC. 

For each taxable year we are treated as a PFIC with respect to you, you will be subject to special tax rules with respect to any 
“excess distribution” you receive and any gain you recognize from a sale or other disposition (including a pledge) of the common 
shares, unless you make a “mark-to-market” election as discussed below. Distributions you receive in a taxable year that are greater 
than 125% of the average annual distributions you received during the shorter of the three preceding taxable years or your holding 
period for the common shares before the current year will be treated as an excess distribution. Under these special tax rules: 

•                  the excess distribution or recognized gain will be allocated ratably over your holding period for the common shares; 

•                  the amount allocated to the current taxable year, and any taxable years in your holding period prior to the first taxable year in 

which we became a PFIC, will be treated as ordinary income; and 

•                  the amount allocated to each other year will be subject to the highest income tax rate in effect for individuals or corporations, 
as applicable, for each such year, and the interest charge generally applicable to underpayments of tax will be imposed on the 
resulting tax attributable to each such year. 

The tax liability for amounts allocated to years prior to the year of disposition or excess distribution cannot be offset by any net 

operating losses for such years, and gains (but not losses) from a sale or other disposition of the common shares are not taxed at 
reduced tax rates, even if you hold the common shares as capital assets. 

If we are treated as a PFIC with respect to you for any taxable year, to the extent any of our subsidiaries are also PFICs or we 
make direct or indirect equity investments in other entities that are PFICs, you will be deemed to own shares in such lower-tier PFICs 
directly or indirectly owned by us in the proportion that the value of the common shares you own bears to the value of all of our 
common shares, and you may be subject to the rules described in the preceding two paragraphs with respect to the shares of such 
lower-tier PFICs that you would be deemed to own. You should consult your tax advisors regarding the application of the PFIC 
rules to any of our subsidiaries. 

A U.S. Holder of marketable stock (as defined below) in a PFIC may make a mark-to-market election for such stock to elect out 
of the PFIC rules described above regarding excess distributions and recognized gains. If you make a mark-to-market election for the 
common shares, you will include in income for each year that we are a PFIC an amount equal to the excess, if any, of the fair market 
value of the common shares as of the close of your taxable year over your adjusted basis in such common shares. You will be allowed 
a deduction for the excess, if any, of the adjusted basis of the common shares over their fair market value as of the close of the taxable 
year. However, deductions will be allowable only to the extent of any net mark-to-market gains on the common shares included in 
your income for prior taxable years. Amounts included in your income under a mark-to-market election, as well as gain from the 
actual sale or other disposition of the common shares will be treated as ordinary income. Ordinary loss treatment will apply to the 
deductible portion of any mark-to-market loss on the common shares, as well as to any loss from the actual sale or other disposition of 
the common shares, to the extent that the amount of such loss does not exceed the net mark-to-market gains previously included for 
such common shares. Your basis in the common shares will be adjusted to reflect any such income or loss amounts. If you make a 
valid mark-to-market election, any distributions we make would generally be subject to the tax rules discussed above under “— 
Taxation of Dividends and Other Distributions on Our Common Shares,” and the lower capital gains rate applicable to qualified 
dividend income would not apply. 

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The mark-to-market election is available only for “marketable stock,” which generally is defined as stock that is traded in greater 

than de minimis quantities on at least 15 days during each calendar quarter (“regularly traded”) on a qualified exchange or other 
market, as defined in applicable U.S. Treasury regulations. Our common shares are listed on the NASDAQ Global Select Market, 
which is a qualified exchange or other market for these purposes. Consequently, if the common shares remain listed on the NASDAQ 
Global Select Market and are regularly traded, and you are a holder of common shares, we expect the mark-to-market election would 
be available to you if we become a PFIC. Because a mark-to-market election cannot be made for equity interests in any lower-tier 
PFICs that we own, a U.S. Holder may continue to be subject to the PFIC rules described above regarding excess distributions and 
recognized gains with respect to its 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 stock in a PFIC may make a “qualified electing fund” election with respect to such corporation to 
elect out of the PFIC rules described above regarding excess distributions and recognized gains. A U.S. Holder that makes a qualified 
electing fund election with respect to a PFIC will generally include in income such holder’s pro rata share of the corporation’s income 
on a current basis. However, you may make a qualified electing fund election with respect to your common shares only if we furnish 
you annually with certain tax information, and we currently do not intend to prepare or provide such information. 

Each U.S. shareholder of a PFIC is required to file an annual report containing such information as the U.S. Treasury requires. If 

we become a PFIC, you should consult your tax advisors regarding any reporting requirements that may apply to you. 

You are urged to consult your tax advisors regarding the application of the PFIC rules to your investment in our common shares. 

Information Reporting and Backup Withholding 

Dividend payments with respect to our common shares and proceeds from the sale, exchange or redemption of our common 
shares may be subject to information reporting to the Internal Revenue Service and possible U.S. backup withholding at a current rate 
of 28%. Backup withholding will not apply, however, to a U.S. Holder that furnishes a correct taxpayer identification number and 
makes any other required certification on Internal Revenue Service Form W-9 or that is otherwise exempt from backup withholding. 
U.S. Holders that are required to establish their exempt status generally must provide such certification on Internal Revenue Service 
Form W-9. U.S. Holders should consult their tax advisors regarding the application of the U.S. information reporting and backup 
withholding rules. 

Backup withholding is not an additional tax. Amounts withheld as backup withholding may be credited against your U.S. federal 

income tax liability, and you may obtain a refund of any excess amounts withheld under the backup withholding rules by filing the 
appropriate claim for refund with the Internal Revenue Service and furnishing any required information in a timely manner. 

Additional Reporting Requirements 

Certain U.S. Holders who are individuals are required to report information relating to an interest in our common shares, subject 

to certain exceptions (including an exception for common shares held in accounts maintained by certain financial institutions). U.S. 
Holders should consult their tax advisors regarding the effect, if any, of these rules on their ownership and disposition of our common 
shares. 

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PRC Taxation 

Under the EIT Law, enterprises established under the laws of non-PRC jurisdictions but whose “de facto management body” is 
located in China are considered “resident enterprises” for PRC tax purposes. Under the implementation regulations issued by the State 
Council relating to the EIT Law, “de facto management bodies” are defined as the bodies that have material and overall management 
control over the business, personnel, accounts and properties of an enterprise. In 2009, the State Administration of Taxation issued a 
circular, known as Circular 82, which provides certain specific criteria for determining whether the “de facto management body” of a 
PRC-controlled offshore incorporated enterprise is located in China. Although this circular only applies to offshore enterprises 
controlled by PRC enterprises or PRC enterprise groups, not those controlled by PRC individuals or foreigners, the criteria set forth in 
the circular may reflect the State Administration of Taxation’s general position on how the “de facto management body” text should 
be applied in determining the tax resident status of all offshore enterprises. According to Circular 82, an offshore incorporated 
enterprise controlled by a PRC enterprise or a PRC enterprise group will be regarded as a PRC tax resident by virtue of having its “de 
facto management body” in China only if all of the following conditions are met: (i) the primary location of the day-to-day operational 
management is in the PRC; (ii) decisions relating to the enterprise’s financial and human resource matters are made or are subject to 
approval by organizations or personnel in the PRC; (iii) the enterprise’s primary assets, accounting books and records, company seals, 
and board and shareholders minutes, are located or maintained in the PRC; and (iv) at least 50% of voting board members or senior 
executives habitually reside in the PRC. Substantially all of our management are currently based in China, and may remain in China in 
the future. If we were treated as a “resident enterprise” for PRC tax purposes, we would be subject to PRC income tax on our 
worldwide income at a uniform tax rate of 25%. Dividends received by us from our PRC subsidiaries may be exempt from PRC 
withholding tax. 

Under the EIT Law and its implementation regulations, dividends paid to a non-PRC investor are generally subject to a 10% PRC 
withholding tax, if such dividends are derived from sources within China and the non-PRC investor is considered to be a non-resident 
enterprise without any establishment or place of business within China or if the dividends paid have no connection with the non-PRC 
investor’s establishment or place of business within China, unless such tax is eliminated or reduced under an applicable tax treaty. 
Similarly, any gain realized on the transfer of common shares by such investor is also subject to a 10% PRC withholding tax if such 
gain is regarded as income derived from sources within China, unless such tax is eliminated or reduced under an applicable tax treaty. 

If we were considered a PRC “resident enterprise”, it is possible that the dividends we pay with respect to our common shares, or 
the gain you may realize from the transfer of our common shares, would be treated as income derived from sources within China and 
be subject to income tax at 25%. 

F.              Dividends and Paying Agents 

Not applicable. 

G.            Statement by Experts 

Not applicable. 

H.           Documents on Display 

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. Specifically, we are required to file annually a Form 20-F within four 
months after the end of each fiscal year. Copies of reports and other information, when so filed, may be inspected without charge and 
may be obtained at prescribed rates at the public reference facilities maintained by the Securities and Exchange Commission at 
Judiciary Plaza, 100 F Street, N.E., Washington, D.C. 20549, and at the regional office of the Securities and Exchange Commission 
located at Citicorp Center, 500 West Madison Street, Suite 1400, Chicago, Illinois 60661. The public may obtain information 
regarding the Washington, D.C. Public Reference Room by calling the Commission at 1-800-SEC-0330. The SEC also maintains a 
web site at www.sec.gov that contains reports, proxy and information statements, and other information regarding registrants that make 
electronic filings with the SEC using its EDGAR system. As a foreign private issuer, we are exempt from the rules under the 
Exchange Act prescribing the furnishing and content of quarterly reports and proxy statements, and officers, directors and principal 
shareholders are exempt from the reporting and short-swing profit recovery provisions contained in Section 16 of the Exchange Act. 

We will furnish the transfer agent of our common shares, with our annual reports, which will include a review of operations and 
annual audited consolidated financial statements prepared in conformity with U.S. GAAP, and all notices of shareholders’ meetings 
and other reports and communications that are made generally available to our shareholders. The transfer agent will make such 
notices, reports and communications available to holders of our common shares and, upon our request, will mail to all record holders 
of our common shares the information contained in any notice of a shareholders’ meeting received by the transfer agent from us. 

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In accordance with the NASDAQ Rules, we will post this annual report on Form 20-F on our website www.sinovac.com. In 

addition, we will provide hardcopies of our annual report free of charge to shareholders upon request. 

I.     Subsidiary Information 

For a listing of our subsidiaries, see “Item 4. C. Information on the Company — Organizational Structure.” 

ITEM 11. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK 

Foreign Exchange Risk 

Substantially all of our revenues and most of our costs and our expenses are denominated in renminbi. Our exposure to foreign 
exchange risk primarily relates to cash and cash equivalents denominated in U.S. dollars as a result of our past issuances of common 
shares through a private placement and proceeds from our public offering of common shares. Furthermore, the renminbi prices of 
some of the materials and supplies for reagent kits that are imported from companies in the United States, Sweden and United 
Kingdom may be affected by fluctuations in the value of renminbi against the currencies of those countries. We also incur 
professional, investor relations, director compensation and miscellaneous fees related to our operations as a public company that are 
denominated in U.S. dollars. 

The value of the renminbi against the U.S. dollar and other currencies may fluctuate and is affected by, among other things, 
changes in China’s political and economic conditions. The conversion of renminbi into foreign currencies, including U.S. dollars, has 
been based on rates set by the People’s Bank of China. The PRC government allows the renminbi to fluctuate within a narrow and 
managed band against a basket of certain foreign currencies. In recent years, the exchange rate between the renminbi and U.S. dollar 
has been relatively stable and consequently the renminbi has fluctuated sharply against other freely traded currencies in tandem with 
the U.S. dollar. The PRC government has indicated that it will make effort to widen the trading band of the renminbi exchange rate, 
which increases the possibility of sharp fluctuations in renminbi’s value in the future as well as the unpredictability associated with 
renminbi’s exchange rate. By way of example, assuming we had converted a U.S. dollar denominated cash balance of $1.0 million as 
of December 31, 2014 into renminbi at the exchange rate of $1.00 for RMB 6.2046 as of December 31, 2014, such a cash balance 
would have been RMB6.20 million. Assuming a 1% appreciation/depreciation of the renminbi against the U.S. dollar, such a cash 
balance would have decreased/increased by RMB 62,000 million as of December 31, 2014. 

Our financial statements are expressed in U.S. dollars but our subsidiaries’ functional currency is renminbi. The value of our 
shares will be affected by the foreign exchange rate between U.S. dollars and renminbi. To the extent we hold assets denominated in 
U.S. dollars, any appreciation of the renminbi against the U.S. dollar could result in a change to our statements of comprehensive 
income and a reduction in the value of our U.S. dollar denominated assets. On the other hand, a decline in the value of renminbi 
against the U.S. dollar could reduce the U.S. dollar equivalent amounts of our financial results, the value of your investment in our 
company and the dividends we may pay in the future, if any, all of which may have a material adverse effect on the prices of our 
shares. 

Interest Rate Risk 

Our exposure to interest rate risk relates primarily to the interest expense associated with our short-term and/or long-term bank 
borrowings as well as interest income provided by excess cash invested in demand and term deposits. Such borrowing and interest-
earning instruments carry a degree of interest rate risk. We have not historically used, and do not expect to use in the future, any 
derivative financial instruments to manage our exposure to interest risk. We have not been exposed nor do we anticipate being 
exposed to material risks due to changes in interest rates. The weighted effective interest rate on our outstanding loans was 7%, 6.6% 
and 6.8% for the years ended December 31, 2012, 2013 and 2014. A hypothetical increase or decrease in interest rates of 1% would 
increase or decrease our annual interest and financing expenses by $0.5 million based on our outstanding indebtedness as of 
December 31, 2014. 

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ITEM 12. DESCRIPTION OF SECURITIES OTHER THAN EQUITY SECURITIES 

Not applicable. 

PART II 

ITEM 13. DEFAULTS, DIVIDEND ARREARAGES AND DELINQUENCIES 

None. 

ITEM 14. MATERIAL MODIFICATIONS TO THE RIGHTS OF SECURITY HOLDERS AND USE OF PROCEEDS 

A. — D. Material Modifications to the Rights of Security Holders 

None. 

E.            Use of Proceeds 

On February 2, 2010, we completed a follow-on public offering of our common shares. In this follow-on offering, we issued and 
sold an aggregate of 11,500,000 common shares at $5.75 per share. The common shares offered and sold were registered pursuant to 
the registration statement on Form F-3 (File Number: 333-163165) effective on November 30, 2010 and the registration statement on 
Form F-3 (File Number: 333-164559) effective on January 27, 2010. UBS Securities LLC and Piper Jaffray & Co. were the 
representatives of the underwriters of the offering. We received net proceeds of approximately $61.8 million, after deducting 
underwriting discounts and commissions and estimated offering expenses payable by us. We have spent approximately $16.4 million 
in acquisition of Sinovac Dalian, invested $10.0 million in Sinovac R&D to conduct research and development and other operating 
activities of operational entity in PRC, and $8.1 million in new pipeline programs of Sinovac Dalian. 

We intend to use the remaining net proceeds we received from this offering for the following purposes: 

•                  up to $9.0 million to fund the expansion of production facilities for our pipeline products; 

•                  up to $10.0 million to fund the Sinovac R&D to conduct research and development of our product candidates; and 

•                  the remaining amount for general corporate purposes. 

The foregoing use of our net proceeds received from this offering represents our current intentions based upon our present plans 

and business condition. The amounts and timing of any expenditure will vary depending on the amount of cash generated by our 
operations, competitive and technological developments and the rate of growth, if any, of our business. Accordingly, our management 
will have significant discretion in the allocation of the net proceeds we received from this offering. Depending on future events and 
other changes in the business climate, we may determine at a later time to use the net proceeds for different purposes, including 
repayment of certain of our outstanding bank borrowings. Pending the use of the net proceeds, we intend to invest the net proceeds in 
a variety of capital preservation instruments, including short-term, investment-grade, interest-bearing instruments. 

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ITEM 15. CONTROLS AND PROCEDURES 

Disclosure Controls and Procedures 

In connection with the preparation of this annual report on Form 20-F, we carried out an evaluation of the effectiveness of our 
disclosure controls and procedures, which is defined in Rules 13a-15(e) of the Exchange Act, as of the period covered by this annual 
report. 

Based on this evaluation, our chief executive officer and chief financial officer concluded that, as of December 31, 2014, our 
disclosure controls and procedures were effective in ensuring that the information required to be disclosed by us in the reports that we 
file or submit under the Exchange Act was recorded, processed, summarized and reported, within the time periods specified in the 
SEC’s rules and forms, and that the information required to be disclosed by us in the reports that we file or submit under the Exchange 
Act is accumulated and communicated to our management, including our chief executive officer and chief financial officer, to allow 
timely decisions regarding required disclosure.” 

Management’s Annual Report on Internal Control over Financial Reporting 

Our management is responsible for establishing and maintaining adequate internal control over financial reporting, which is 

defined in Rules 13a-15(f) and 15d-15(f) of the Exchange Act. Our internal control system was designed to provide reasonable 
assurance regarding the reliability of financial reporting and the preparation and fair presentation of the consolidated financial 
statements for external purposes in accordance with accounting principles generally accepted in the United States 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 a company’s assets, (2) provide reasonable assurance that transactions are recorded as necessary to 
permit preparation of consolidated financial statements in accordance with generally accepted accounting principles, and that a 
company’s receipts and expenditures are being made only in accordance with authorizations of a company’s management and 
directors, and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or 
disposition of a company’s assets that could have a material effect on the consolidated financial statements. 

Our management conducted an assessment of the effectiveness of our internal control over financial reporting as of December 31, 

2014. In making this assessment, we used the criteria established within the Internal Control — Integrated Framework issued by the 
Committee of Sponsoring Organizations of the Treadway Commission (2013 framework). This evaluation included review of the 
documentation of controls, evaluation of the design effectiveness of controls, testing of the operating effectiveness of controls and a 
conclusion on this evaluation. All internal control systems, no matter how well designed, have inherent limitations. Therefore, even 
those systems determined to be effective may not prevent or detect misstatements and can provide only reasonable assurance with 
respect to financial statement preparation and presentation. Also, projections of any evaluation of effectiveness to future periods are 
subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the 
policies or procedures may deteriorate. 

Based on this assessment, our management has concluded that our internal control over financial reporting was effective as of 

December 31, 2014. 

Ernst & Young Hua Ming LLP, an independent registered public accounting firm that audited the financial statements included in 

this annual report, has issued an attestation report on the effectiveness of our internal control over financial reporting. 

Attestation Report of the Registered Public Accounting Firm 

The attestation report issued by Ernst & Young Hua Ming LLP, an independent registered public accounting firm, on the 

effectiveness of internal control over financial reporting can be found on page F-3 of this annual report. 

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Changes in Internal Control over Financial Reporting 

As required by Rule 13a-15(d), under the Exchange Act, our management, including our chief executive officer and chief 
financial officer, has conducted an evaluation of our internal control over financial reporting to determine whether any changes 
occurred during the period covered since last report have materially affected, or are reasonably likely to materially affect, our internal 
control over financial reporting. Based on this evaluation, it has been determined that there has been no change during the period 
covered by this annual report. 

ITEM 16A. AUDIT COMMITTEE FINANCIAL EXPERT 

Our board of directors has determined that we have at least one audit committee financial expert serving on our Audit Committee. 

Our audit committee financial expert is Mr. Simon Anderson. Each member of our Audit Committee, including Mr. Anderson, 
satisfies the “independence” requirements of the NASDAQ Marketplace rule and Rule 10A-3 under the Exchange Act. 

ITEM 16B. CODE OF ETHICS 

Our board of directors has adopted a code of ethics that applies to our directors, officers, employees and agents, including certain 

provisions that specifically apply to our chief executive officer, chief financial officer, vice presidents and any other persons who 
perform similar functions for us. We have filed our code of business conduct and ethics as an exhibit our annual report on Form 20-F 
(file no. 001-32371) filed with the SEC on July 14, 2006, and posted the code on our website at www.sinovac.com. We hereby 
undertake to provide to any person without charge, a copy of our code of business conduct and ethics within ten working days after we 
receive such person’s written request. 

ITEM 16C. PRINCIPAL ACCOUNTANT FEES AND SERVICES 

Ernst & Young LLP audited our financial statements for the year ended December 31, 2012. We changed our independent auditor 
for the year ended December 31, 2013 from Ernst & Young LLP to Ernst & Young Hua Ming LLP. The following table sets forth the 
aggregate fees by categories specified below in connection with certain professional services rendered by Ernst & Young LLP and 
Ernst & Young Hua Ming LLP, for the periods indicated below. 

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Audit fees

(1) 

- Ernst & Young LLP 
- Ernst & Young Hua Ming LLP 

Audited-related fees
Tax fees 

(2) 

2014 

2013

  $

19,000  
0.6 million  
—  
—  

0.2 million 
0.4 million 
—
5,000 

(1)  “Audit fees” means the aggregate fees billed in each of the fiscal years listed for professional services rendered by our principal 
auditors for the audit of our annual financial statements and review of financial statements included in our annual reports on 
Form 20-F or services that are normally provided by accountants in connection with statutory and regulatory engagements for 
those fiscal years. $0.5 million related to the audit of our annual financial statements for 2012 was billed and paid in 2013 which 
was already included in 2012 audit fee of $0.9 million. As such this amount is not included in 2013 audit fee of $0.6 million.
(2)  “Audit-related fees” means the aggregate fees billed in each of the fiscal years listed for 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 are 
not reported under “Audit fees.” 

(3)  “Tax fees” means the aggregate fees billed in each of the fiscal years listed for professional services rendered by our principal 

auditors for tax compliance, tax advice, and tax planning.

Before our independent auditors are engaged to render any services, the terms and fees of the engagement are reviewed by the 

audit committee before our audit committee grants approval. All services as described above have been approved by our audit 
committee. 

ITEM 16D. EXEMPTIONS FROM THE LISTING STANDARDS FOR AUDIT COMMITTEES 

None. 

ITEM 16E. PURCHASES OF EQUITY SECURITIES BY THE ISSUER AND AFFILIATED PURCHASERS. 

None. 

ITEM 16F. CHANGE IN REGISTRANT’S CERTIFYING ACCOUNTANT 

None. 

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ITEM 16G. CORPORATE GOVERNANCE 

Our corporate governance practices do not differ in any significant way from those followed by domestic companies under the 

listing standards of the NASDAQ Global Select Market. 

ITEM 16H. MINE SAFETY DISCLOSURE 

Not applicable. 

PART III 

ITEM 17. FINANCIAL STATEMENTS 

We have elected to provide financial statements pursuant to Item 18. 

ITEM 18. FINANCIAL STATEMENTS 

The consolidated financial statements of our company are included at the end of this annual report. 

ITEM 19. EXHIBITS 

Exhibit Number 
1.1 

4.1 

4.2 

4.3 

4.4 

4.5 

4.6 

Description of Document
Articles of Incorporation and By-laws, as last amended on March 21, 2006 (incorporated by reference to 
Exhibit 1.1 from our annual report on Form 20-F (file no. 001-32371) filed with the Securities and 
Exchange Commission on July 14, 2006)

Translation of a Lease between Sinovac Beijing and SinoBioway related to a building of approximately 
28,000 square feet, dated August 12, 2004 (incorporated by reference to Exhibit 4.1 from our annual report 
on Form 20-F (file no. 001-32371) filed with the Securities and Exchange Commission on July 14, 2006)

Translation of a Lease between Sinovac Beijing and SinoBioway related to a building of approximately 
13,300 square feet, dated August 12, 2004 (incorporated by reference to Exhibit 4.2 from our annual report 
on Form 20-F (file no. 001-32371) filed with the Securities and Exchange Commission on July 14, 2006)

Translation of a Supplement Agreement to the Leases between Sinovac Beijing and SinoBioway 
(incorporated by reference to Exhibit 4.3 from our annual report on Form 20-F (file no. 001-32371) filed 
with the Securities and Exchange Commission on July 14, 2006)

Stock Option Plan adopted on November 1, 2003 (incorporated by reference to Exhibit 4.4 from our 
annual report on Form 20-F (file no. 001-32371) filed with the Securities and Exchange Commission on 
July 14, 2006) 

Form of Employment Agreement between the Registrant and Weidong Yin, dated July 7, 2006 
(incorporated by reference to Exhibit 4.5 from our annual report on Form 20-F (file no. 001-32371) filed 
with the Securities and Exchange Commission on July 14, 2006)

Translation of Form of Employment Agreement between the Registrant or its subsidiary and any other 
senior executive officers of the Registrant or its subsidiary (incorporated by reference to Exhibit 4.6 from 
our annual report on Form 20-F (file no. 001-32371) filed with the Securities and Exchange Commission 
on July 14, 2006) 

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Exhibit Number 
4.7 

4.8 

4.9 

Description of Document
Form of Non-disclosure, Non-competition and Proprietary Information Agreement between the Registrant 
or its subsidiary and any other senior executive officers of the Registrant or its subsidiary (incorporated by 
reference to Exhibit 4.7 from our annual report on Form 20-F (file no. 001-32371) filed with the Securities 
and Exchange Commission on July 14, 2006)

Translation of a Lease between Sinovac Beijing and Sinobioway related to buildings of approximately 
37,000 square feet, dated June 4, 2007 (incorporated by reference to Exhibit 4.8 from our annual report on 
Form 20-F (file no. 001-32371) filed with the Securities and Exchange Commission on March 31, 2008)

Share Purchase Agreement between Sinovac Biotech Ltd. and Sansar Capital Management LLC dated 
January 22, 2008 (incorporated by reference to Exhibit 4.9 from our annual report on Form 20-F (file no. 
001-32371) filed with the Securities and Exchange Commission on March 31, 2008) 

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Exhibit 
Number 
4.10 

4.11 

4.12 

4.13 

4.14 

4.15 

4.16 

4.17 

4.18 

4.19 

8.1* 

11.1 

12.1* 

12.2* 

13.1** 

Exclusive Promotion Service Agreement between Sinovac Beijing and GlaxoSmithKline (China) 
Investment Co., Ltd., dated July 30, 2007 (incorporated by reference to Exhibit 4.10 from our annual 
report on Form 20-F (file no. 001-32371) filed with the Securities and Exchange Commission on 
March 31, 2008) 

Description of Document

Equity Joint Venture Contract dated November 22, 2009 between Sinovac Hong Kong and Dalian Jin 
Gang (English Translation) (incorporated by reference to Exhibit 99.1 from our current report on Form 6-
K (file no. 001-32371) filed with the Securities and Exchange Commission on January 20, 2010)

Memorandum of Understanding dated November 22, 2009 between Sinovac Hong Kong and Dalian Jin 
Gang (English Translation) (incorporated by reference to Exhibit 99.2 from our current report on Form 6-
K (file no. 001-32371) filed with the Securities and Exchange Commission on January 20, 2010)

Equity Interest Transfer Agreement dated December 17, 2009 between Sinovac Hong Kong and Dalian Jin 
Gang (English Translation) (incorporated by reference to Exhibit 99.3 from our current report on Form 6-
K (file no. 001-32371) filed with the Securities and Exchange Commission on January 20, 2010)

Asset Acquisition Agreement dated February 10, 2010 between Sinovac Beijing and Beijing Xingchang 
High-tech Development Co., Ltd. (English Translation) (incorporated by reference to Exhibit 4.10 from 
our annual report on Form 20-F (file no. 001-32371) filed with the Securities and Exchange Commission 
on April 16, 2010) 

2012 Share Incentive Plan adopted on August 22, 2012 (incorporated by reference to Exhibit 4.15 from 
our annual report on Form 20-F (file no. 001-32371) filed with the Securities and Exchange Commission 
on April 30, 2013) 

Translation of a Supplemental Agreement, dated April 8, 2013, to a Lease Contract between Sinovac 
Beijing and SinoBioway, dated August 12, 2004 (incorporated by reference to Exhibit 4.16 from our 
annual report on Form 20-F (file no. 001-32371) filed with the Securities and Exchange Commission on 
April 30, 2013) 

Translation of a Supplemental Agreement, dated April 8, 2013, to a Lease Contract between Sinovac 
Beijing and SinoBioway, dated June 4, 2007 (incorporated by reference to Exhibit 4.17 from our annual 
report on Form 20-F (file no. 001-32371) filed with the Securities and Exchange Commission on April 30, 
2013) 

Translation of a Supplemental Agreement, dated August 12, 2010, to a Lease Contract between Sinovac 
Beijing and SinoBioway, dated August 12, 2004 (incorporated by reference to Exhibit 4.18 from our 
annual report on Form 20-F (file no. 001-32371) filed with the Securities and Exchange Commission on 
April 30, 2013) 

Translation of a Supplemental Agreement, dated April 8, 2013, to a Lease Contract between Sinovac 
Beijing and SinoBioway, dated August 12, 2004, and the Supplemental Agreement between Sinovac 
Beijing, Sinovac R&D and SinoBioway, dated August 12, 2010 (incorporated by reference to Exhibit 4.19 
from our annual report on Form 20-F (file no. 001-32371) filed with the Securities and Exchange 
Commission on April 30, 2013)

   List of Subsidiaries 

Code of Business Conduct and Ethics (incorporated by reference to Exhibit 11.1 from our annual report on 
Form 20-F (file no. 001-32371) filed with the Securities and Exchange Commission on July 14, 2006)

   CEO Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 

   CFO Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 

   CEO Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 

92 

  
  
 
  
  
  
     
  
  
     
  
  
     
  
  
     
  
  
     
  
  
     
  
  
     
  
  
     
  
  
     
  
  
     
  
     
  
  
     
  
     
  
     
Table of Contents 

13.2** 

15.1* 

15.2* 

101.INS* 

101.SCH* 

101.CAL* 

101.DEF* 

101.LAB* 

101.PRE* 

   CFO Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 

   Consent of Ernst & Young Hua Ming LLP

   Consent of Ernst & Young LLP

   XBRL Instance Document

   XBRL Taxonomy Extension Scheme Document

   XBRL Taxonomy Extension Calculation Linkbase Document

   XBRL Taxonomy Extension Definition Linkbase Document

   XBRL Taxonomy Extension Label Linkbase Document

   XBRL Taxonomy Extension Presentation Linkbase Document

*  Filed with this annual report on Form 20-F 

**  Furnished with this annual report on Form 20-F 

93 

  
  
  
  
     
  
     
  
     
  
     
  
     
  
     
  
     
  
     
  
  
Table of Contents 

SIGNATURES 

The registrant 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 its behalf. 

Sinovac Biotech Ltd.

By:

/s/ Weidong Yin

Name: Weidong Yin
Title: Chairman and Chief Executive Officer

Date: April 29, 2015 

94 

  
  
  
  
  
  
  
  
  
  
  
 
  
 
  
 
 
Table of Contents 

Index 

Reports of Independent Registered Public Accounting Firm — Ernst & Young Hua Ming LLP

F-2, F-3

Report of Independent Registered Public Accounting Firm — Ernst & Young LLP

Consolidated Balance Sheets 

Consolidated Statements of Comprehensive Income (Loss)

Consolidated Statements of Shareholders’ Equity 

Consolidated Statements of Cash Flows 

Notes to Consolidated Financial Statements 

F-1 

F-4

F-5

F-6

F-8

F-10

F-11

  
  
 
 
  
  
  
  
  
  
  
Table of Contents 

Report of Independent Registered Public Accounting Firm 

The Board of Directors and Shareholders of Sinovac Biotech Ltd. 

We have audited the accompanying consolidated balance sheets of Sinovac Biotech Ltd. (the “Company”) as of December 31, 2014 
and 2013, and the related consolidated statements of comprehensive income (loss), shareholders’ equity, and cash flows for each of 
the two years in the period ended December 31, 2014.  These financial statements are the responsibility of the Company’s 
management.  Our responsibility is to express an opinion on these financial statements based on our audits. 

We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those 
standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of 
material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial 
statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as 
evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion. 

In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the consolidated financial 
position of Sinovac Biotech Ltd. at December 31, 2014 and 2013, and the consolidated results of its operations and its cash flows for 
each of the two years in the period ended December 31, 2014, in conformity with U.S. generally accepted accounting principles. 

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), Sinovac 
Biotech Ltd.’s internal control over financial reporting as of December 31, 2014, based on criteria established in Internal Control - 
Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) and our 
report dated April 29, 2015 expressed an unqualified opinion thereon. 

/s/ Ernst & Young Hua Ming LLP 
Beijing, The People’s Republic of China 
April 29, 2015 

F-2 

  
  
  
  
  
  
  
  
  
 
Table of Contents 

Report of Independent Registered Public Accounting Firm 

The Board of Directors and Shareholders of Sinovac Biotech Ltd. 

We have audited Sinovac Biotech Ltd.’s internal control over financial reporting as of December 31, 2014, based on criteria 
established in Internal Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway 
Commission (2013 framework) (the COSO criteria). Sinovac Biotech Ltd.’s management is responsible for maintaining effective 
internal control over financial reporting, and for its assessment of the effectiveness of internal control over financial reporting included 
in the accompanying Management’s Annual Report on Internal Control over Financial Reporting. Our responsibility is to express an 
opinion on the company’s internal control over financial reporting based on our audit. 

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those 
standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over 
financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over 
financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of 
internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. 
We believe that our audit provides a reasonable basis for our opinion. 

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of 
financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting 
principles. A company’s internal control over financial reporting 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 the 
company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in 
accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in 
accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding 
prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect 
on the 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 risk that controls may become inadequate because of changes in 
conditions, or that the degree of compliance with the policies or procedures may deteriorate. 

In our opinion, Sinovac Biotech Ltd. maintained, in all material respects, effective internal control over financial reporting as of 
December 31, 2014, based on the COSO criteria. 

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the 
consolidated balance sheets as of December 31, 2014 and 2013, and the related consolidated statements of comprehensive income 
(loss), shareholders’ equity, and cash flows for each of the two years in the period ended December 31, 2014 of Sinovac Biotech Ltd., 
and our report dated April 29, 2015 expressed an unqualified opinion thereon. 

/s/ Ernst & Young Hua Ming LLP 
Beijing, The People’s Republic of China 

April 29, 2015 

F-3 

  
  
  
  
  
  
  
  
  
  
  
  
 
Table of Contents 

Report of Independent Registered Public Accounting Firm 

The Board of Directors and Shareholders of Sinovac Biotech Ltd. 

We have audited the accompanying consolidated statement of comprehensive loss, shareholders’ equity and cash flows for the year 
ended December 31, 2012. These consolidated financial statements are the responsibility of the Company’s management. Our 
responsibility is to express an opinion on these consolidated financial statements based on our audit. 

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those 
standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of 
material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial 
statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as 
evaluating the overall financial statement presentation. We believe that our audit provides a reasonable basis for our opinion. 

In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the consolidated results 
of the operations and cash flows of Sinovac Biotech Ltd. for the year ended December 31, 2012, in conformity with U.S. generally 
accepted accounting principles. 

/s/ Ernst & Young LLP 
Vancouver, Canada 

April 29, 2013 

F-4 

  
  
  
  
  
  
  
  
  
  
Table of Contents 

SINOVAC BIOTECH LTD. 
Consolidated Balance Sheets 
As of December 31, 2014 and 2013 
(Expressed in thousands of U.S. dollars, except for number of shares and per share data) 

ASSETS 

December 31, 
2014 

December 31,
2013

Current assets 

Cash and cash equivalents 
Accounts receivable — net (notes 3 and 9) 
Inventories (note 4) 
Prepaid expenses and deposits (including prepaid expenses to related party of 2014 - $157, 

2013 - $161) (note10(b)) 
Deferred tax assets (note 12) 

Total current assets 

Property, plant and equipment (notes 6 and 9) 
Prepaid land lease payments (note 7) 
Long-term inventories (note 5) 
Prepaid expenses (including prepaid expenses to related party of 2014 - $232, 2013 - $145) 

(note 10(b)) 

Prepayments for acquisition of equipment 
Deferred tax assets (note 12) 
Licenses (note 8) 

Total assets 

LIABILITIES AND EQUITY 

Current liabilities 

Short-term bank loans and current portion of long-term debt (note 9)
Loan from a non-controlling shareholder (note 10(a))
Accounts payable and accrued liabilities (note11) 
Income tax payable (note 12) 
Deferred revenue (note 13) 
Deferred government grants (note 14)  

Total current liabilities 

Deferred government grants (note 14)  
Long-term debt (note 9) 
Deferred revenue (note 13) 
Other non-current liabilities (note 12) 

Total long-term liabilities 

Total liabilities 

Commitments and contingencies (notes 15 and 22) 

EQUITY 

Preferred stock 
Authorized 50,000,000 shares at par value of $0.001 each Issued and outstanding: nil
Common stock (note 16) 
Authorized: 100,000,000 shares at par value of $0.001 each Issued and outstanding: 

55,809,661 (2013 - 55,570,361)

Additional paid-in capital 
Accumulated other comprehensive income 
Statutory surplus reserves (note 18) 
Accumulated deficit 
Total shareholders’ equity 

Non-controlling interests (note 19) 

Total equity 

Total liabilities and equity 

The accompanying notes are an integral part of these consolidated financial statements. 

F-5 

$ 

$ 

$ 

$

91,518 
40,757
18,832 

1,430 
2,266 

107,242 
31,927
14,329 

1,150 
2,602 

154,803 

157,250 

$

$

68,417 
10,405 
2,648 

3
1,387 
515
352 
238,530

47,375
2,595 
23,237 
1,101 
4,996 
530 
79,834 

7,494 
1,803 
7,191 
482 
16,970 

96,804 

— 

56 

108,243 
12,022
12,627 
(6,384)
126,564 

67,963 
10,948 
2,781 

154
708 
117
772 
240,693

16,217
3,324 
28,037 
246 
875 
458 
49,157 

4,746 
32,146 
11,005 
— 
47,897 

97,054 

— 

56 

107,393 
14,141
11,808 
(4,714)
128,684 

15,162 

14,955 

141,726 

143,639 

$ 

238,530

$

240,693

  
  
  
  
 
  
  
 
 
  
 
 
 
 
  
 
  
 
 
 
 
 
 
 
 
  
 
  
  
  
 
  
  
 
 
 
 
 
 
  
 
 
 
 
 
  
 
  
 
  
  
  
 
 
 
  
  
 
 
 
 
  
 
  
 
  
 
 
 
Table of Contents 

SINOVAC BIOTECH LTD. 
Consolidated Statements of Comprehensive Income (Loss) 
For the years ended December 31, 2014, 2013 and 2012 
(Expressed in thousands of U.S. Dollars, except for number of shares and per share data) 

2014

Sales (note 21) 

Cost of sales 

Gross profit 

$

Selling, general and administrative expenses (including rent expenses incurred to 

related party of 2014 - $869, 2013 - $847,2012 - $823) (note 10(b))

Provision (recovery) for doubtful accounts 
Research and development expenses — (net of 2014 - $nil,2013 - $nil, 2012 - 

$125 in government research grants) 

Loss on disposal and impairment of property, plant and equipment (note 6)
Government grants recognized in income 

Total operating expenses 

Operating income (loss) 

Interest and financing expenses — (net of 2014 - $81, 2013 - $65, 2012 - $1,458, 
in interest subsidies. Including interest expenses incurred to related party, 2014 
- $221, 2013 - $237, 2012 - $231) 

Interest income 
Other income (expenses) 

Income (loss) before income taxes and non-controlling interests

Income tax benefit (expense) (note 12) 

Net income (loss) 

Less: (income) loss attributable to non-controlling interests

16,493  

46,608  

34,787  
329  

11,034  
74  
(104) 

46,120  

488  

(3,407) 
2,685  
1,356  

1,122  

(1,458) 

(336) 

(515) 

For the year ended December 31
2013 

2012

63,101   $ 

72,524 

$

49,216 

21,273

51,251 

34,538 
(504)

8,384 
88 
—

19,100

30,116 

33,280 
(874)

17,044 
2,190 
(373)

42,506 

51,267 

8,745

(21,151)

(3,031)
2,168
263

8,145 

2,225

(775)
2,370
(77)

(19,633)

884

10,370 

(18,749)

(2,928)

3,896 

Net income (loss) attributable to shareholders of Sinovac

$

(851)  $ 

7,442 

$

(14,853)

Other comprehensive income (loss), net of tax of nil 
Foreign currency translation adjustments 

Total comprehensive income (loss) 

Less: comprehensive (income) loss attributable to non-controlling interests 

Comprehensive income (loss) attributable to shareholders of Sinovac

Basic and diluted earnings (loss) per share (note 20) 

Weighted average number of shares of common stock outstanding
— Basic 
— Diluted 

(2,427) 

(2,763) 

(207) 

2,686

2,024

13,056 

(16,725)

(3,244)

3,665

$

$

(2,970)  $ 

9,812

(0.02)  $ 

0.13 

$

$

(13,060)

(0.27)

55,681,076   
55,681,076

55,301,276
55,802,338

54,926,440
54,926,440

The accompanying notes are an integral part of these consolidated financial statements. 

F-6 

  
  
  
  
  
 
 
  
 
  
 
 
 
  
   
  
   
 
  
   
 
 
 
 
  
   
 
  
   
  
   
 
  
   
 
  
   
  
   
 
  
   
 
  
   
 
  
   
  
 
   
  
  
  
   
 
  
   
  
   
 
 
  
   
 
  
   
 
   
  
  
  
Table of Contents 

SINOVAC BIOTECH LTD. 

Consolidated Statements of Shareholders’ Equity 
For the years ended December 31, 2014, 2013 and 2012 
(Expressed in thousands of  U.S. dollars, expect for number of shares data) 

Balance, December 31, 2011 
Stock-based compensation 
Exercise of stock options (note 16) 

Subscriptions received (note 16) 

Other comprehensive income  
- Other comprehensive income attributable to non-

controlling interests 

- Other comprehensive income attributable to 

shareholders 
Net loss for the year 
- Net loss attributable to non-controlling interests 
- Net loss attributable to shareholders of Sinovac 

Accumulated
other
comprehensive
income (foreign
currency
translation
adjustment)

Additional
paid-in 
capital 

Statutory
surplus
reserves

Retained
earnings
(accumulated
deficit)

105,383  $
347
508 

9,978  $
—
— 

11,808  $
—
— 

2,697   $
—
— 

Total 
shareholders’ 
equity 

129,921   $ 
347  
508  

Non- 
controlling 
interests 

15,376   $ 
—  
—  

8 

—

— 

— 
—

— 

—

1,793 

— 
—

— 

—

— 

— 
—

— 

—

— 

— 
(14,853)

8  

—  

1,793  

—  
(14,853) 

—  

231  

—  

(3,896) 
—  

55   $
—  
—  

—  

—  

—  

—  
—  

Total 
equity 

145,297  
347  
508  

8  

231  

1,793  

(3,896) 
(14,853) 

Common stock

Shares
54,773,961  $ 

Amount

—
317,600 

— 

—

— 

— 
—

Balance, December 31, 2012 

55,091,561

$ 

55

   $

106,246

$

11,771

$

11,808

$

(12,156) $

117,724

   $ 

11,711

   $ 

129,435

The accompanying notes are an integral part of these consolidated financial statements. 

F-7 

  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
  
 
 
 
 
 
 
 
  
  
  
  
  
  
  
 
 
 
 
  
 
 
 
 
 
 
 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
  
 
 
 
 
  
  
  
  
  
 
  
 
 
 
 
  
  
  
  
 
 
  
 
 
 
 
  
  
  
 
 
  
   
   
   
   
 
  
   
   
   
   
 
  
   
  
  
  
  
   
   
   
  
   
   
   
   
 
 
  
   
  
  
  
  
   
   
   
 
  
   
   
   
   
 
 
 
 
 
  
Table of Contents 

SINOVAC BIOTECH LTD. 

Consolidated Statements of Shareholders’ Equity 
For the years ended December 31, 2014, 2013 and 2012 
(Expressed in thousands of  U.S. dollars, expect for number of shares data) 

Balance, December 31, 2012 
Stock-based compensation 
Exercise of stock options (note 16) 

Subscriptions received (note 16) 

Other comprehensive income  
- Other comprehensive income attributable to non-

controlling interests 

- Other comprehensive income attributable to 

shareholders 

Net income for the year 
- Net income attributable to non-controlling interests
- Net income attributable to shareholders of Sinovac

Accumulated
other
comprehensive
income (foreign
currency
translation
adjustment)

Additional
paid-in 
capital 

Statutory
surplus
reserves

Retained
earnings
(accumulated
deficit)

106,246  $
281
848 

11,771  $
—
— 

11,808  $
—
— 

(12,156) $
—
— 

Total 
shareholders’ 
equity 

117,724   $ 
281  
849  

Non- 
controlling 
interests 

11,711   $ 
—  
—  

18 

—

— 

— 
— 

— 

—

2,370 

— 
— 

— 

—

— 

— 
— 

— 

—

— 

— 
7,442  

18  

—  

2,370  

—  
7,442  

—  

316  

—  

2,928  
—  

55   $
—  
1  

—  

—  

—  

—  
—  

Total 
equity 

129,435  
281  
849  

18  

316  

2,370  

2,928  
7,442  

Common stock

Shares
55,091,561  $ 

Amount

—
478,800 

— 

—

— 

— 
— 

Balance, December 31, 2013 

55,570,361

$ 

56

   $

107,393

$

14,141

$

11,808

$

(4,714) $

128,684

   $ 

14,955

   $ 

143,639

The accompanying notes are an integral part of these consolidated financial statements. 

F-8 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
  
 
 
 
 
 
 
 
  
  
  
  
  
  
  
 
 
 
 
  
 
 
 
 
 
 
 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
  
 
 
 
 
  
  
  
  
  
 
  
 
 
 
 
  
  
  
  
 
 
  
 
 
 
 
  
  
  
 
 
  
   
   
   
   
 
  
   
   
   
   
 
  
   
  
  
  
  
   
   
   
  
   
   
   
   
 
 
  
   
  
  
  
  
   
   
   
 
 
  
   
   
   
   
 
 
 
 
 
  
Table of Contents 

SINOVAC BIOTECH LTD. 

Consolidated Statements of Shareholders’ Equity 
For the years ended December 31, 2014, 2013 and 2012 
(Expressed in thousands of  U.S. dollars, expect number of shares data) 

Balance, December 31, 2013 
Stock-based compensation 
Exercise of stock options (note 16) 

Subscriptions received (note 16) 

Other comprehensive loss 
- Other comprehensive loss attributable to non-

controlling interests 

- Other comprehensive loss attributable to shareholders
Net loss for the year 
- Net income attributable to non-controlling interests
- Net (loss) attributable to shareholders of Sinovac 
- Transfer to statutory surplus reserves (note 18) 

Accumulated
other
comprehensive
income (foreign
currency
translation
adjustment)

Statutory
surplus
reserves

Accumulated
deficit

14,141  $

11,808  $

(4,714) $

Common stock

Shares
55,570,361  $ 

Amount

239,300 

56   $

—  

Additional
paid-in 
capital 

107,393  $
287
512 

51 

(2,119)

819

(851)
(819)

Non- 
controlling 
interests 

14,955   $ 

Total 
shareholders’ 
equity 

128,684   $ 
287  
512  

51  

(308) 

515  

(2,119) 

(851) 

Total 
equity 

143,639  
287  
512  

51  

(308) 

(2,119) 

515  
(851) 

Balance, December 31, 2014 

55,809,661

56

108,243

12,022

12,627

(6,384)

126,564

15,162

141,726

The accompanying notes are an integral part of these consolidated financial statements 

F-9 

  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
  
 
 
 
 
 
 
 
  
  
  
  
  
  
  
 
 
 
 
  
 
 
 
 
 
 
 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
  
 
 
 
 
 
  
  
  
  
  
 
  
 
 
 
 
  
  
  
  
 
 
  
 
 
 
 
  
  
  
 
   
   
 
  
  
  
   
  
   
   
   
   
 
  
   
  
  
  
   
  
   
   
   
   
 
  
   
  
  
  
  
   
   
   
   
   
  
   
   
   
   
   
   
 
  
   
  
  
  
  
   
   
   
 
  
   
  
  
  
  
   
 
  
   
  
  
  
   
 
   
 
 
   
   
   
  
   
   
   
   
 
 
  
 
 
 
  
  
  
Table of Contents 

SINOVAC BIOTECH LTD. 
Consolidated Statements of Cash Flows 
For the years ended December 31, 2014, 2013 and 2012 
(Expressed in thousands of U.S. dollars) 

Cash flows provided by (used in) operating activities
Net income (loss) 
Adjustments to reconcile net income (loss) to net cash provided by (used in) 

operating activities: 
- Deferred income taxes 
- Stock-based compensation 
- Inventory provision 
- Provision (recovery) for doubtful accounts 
- Loss on disposal and impairment of property, plant and equipment
- Research and development expenditures qualified for government grant
- Depreciation of property, plant and equipment and amortization of licenses  
- Amortization of the prepaid land lease payments 
- Deferred government grant recognized in income  
- Accretion expenses 
Changes in: 
- Accounts receivable 
- Inventories 
- Income tax payable  
- Prepaid expenses and deposits 
- Deferred revenue  
- Accounts payable and accrued liabilities 
- Other non-current liabilities 

Net cash provided by (used in) operating activities

Cash flows provided by financing activities 
- Proceeds from bank loans 
- Repayments of bank loans 
- Proceeds from issuance of common stock, net of share issuance costs
- Proceeds from shares subscribed  
- Dividends paid to a non-controlling shareholder  
- Government grants received  
- Repayment of loan from a non-controlling shareholder 
- Proceeds of loan from a non-controlling shareholder

Net cash provided by financing activities 

Cash flows used in investing activities 
- Proceeds from disposal of equipment 
- Acquisition of property, plant and equipment 

Net cash used in investing activities 

Exchange gain (loss) on cash and cash equivalents

Increase (decrease) in cash and cash equivalents 

Cash and cash equivalents, beginning of year 

Cash and cash equivalents, end of year 

Supplemental disclosure of cash flow information:

Cash paid for interest 
Cash paid for income taxes 

Supplemental schedule of non-cash activities:  

Acquisition of property, plant and equipment included in accounts payable 

and accrued liabilities 

2014

For the year ended December 31
2013 

2012

$

(336) $

10,370 

$

(18,749)

(162)
287
1,273 
329
74 
— 
8,142 
278 
(104)
114 

(9,691)
(6,170)
899 
(496)
601
(4,167)
482 

(8,647)

17,837 
(15,962)
512 
51
— 
3,520 
(649)
— 

5,309 

— 
(11,003)

(11,003)

(1,383)

(15,724)

107,242 

(2,225)
281
1,399 
(504)
88 
— 
6,433 
311 
—
100 

(7,256)
(7,547)
7 
242 
(675)
4,552 
— 

5,576 

16,800 
(4,089)
848 
18
— 
842 
— 
— 

14,419 

— 
(5,176)

(5,176)

1,182 

16,001 

91,241 

(17)
347
3,479 
(874)
2,190 
(125)
4,189 
299 
(358)
235 

(4,286)
(426)
(3,130)
913 
1,026
(967)
— 

(16,254)

16,787 
(4,755)
508 
8
(802)
2,395 
— 
3,189 

17,330 

5 
(16,156)

(16,151)

2,029 

(13,046)

104,287 

$

$
$

$

91,518

$

107,242

$

91,241

3,152 
491

$
$

2,853 
—

$
$

750 
2,265

2,209

$

2,270 

$

3,788 

The accompanying notes are an integral part of these consolidated financial statements 

F-10 

  
 
  
  
  
 
 
  
 
 
 
 
  
 
 
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
  
 
  
 
  
  
  
 
 
 
 
 
 
 
  
 
  
 
  
  
  
 
 
  
 
  
 
  
 
  
 
  
 
 
 
 
  
 
  
  
  
 
 
 
 
 
  
 
 
 
 
Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

1.                                      Basis of Presentation 

These consolidated financial statements have been prepared in accordance with accounting principles generally accepted in 
the United States (“US GAAP”). They include the accounts of Sinovac Biotech Ltd., which is incorporated under the laws of 
Antigua and Barbuda, and its wholly owned or controlled subsidiaries (collectively, the “Company”). All significant 
intercompany transactions have been eliminated. Details of the Company’s subsidiaries are as follows: 

Name 
Sinovac Biotech (Hong 
Kong) Ltd (“Sinovac Hong 
Kong”) 

Sinovac Biotech Co., Ltd. 
(“Sinovac Beijing”) (note 
19) 

Tangshan Yian Biological 
Engineering Co., Ltd. 
(“Tangshan Yian”) 

Sinovac Biological 
Technology Co., Ltd. 
(“Sinovac R&D”) 

Sinovac (Dalian) Vaccine 
Technology Co., Ltd. 
(“Sinovac Dalian”) 
(note19) 

Date of 
incorporation or
establishment
October 2008

Place of
incorporation 
(or 
establishment) 
/operation
Hong Kong

Percentage of
ownership as 
of December 
31, 2014
100%

Percentage of 
ownership as of 
December 31, 2013    
100% 

April 2001

People’s 
Republic of 
China (“PRC”)

73.09%

73.09% 

February 1993

PRC

100%

100% 

May 2009 

PRC

100%

100% 

January 2010

PRC

55%

55% 

Principal activities
Investment holding 
company 

Research and 
development, 
production and sales 
of vaccine products

Research and 
development, 
production and sales 
of vaccine products

Research and 
development of 
vaccine products

Research and 
development, 
production and sales 
of vaccine products

2.                                      Significant Accounting Policies 

(a)                                 Use of Estimates 

In preparation of the Company’s consolidated financial statements, management is required 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 revenue and expenses during the 
reporting periods. Significant estimates made by management include: provision for product returns, allowance for 
doubtful accounts, inventory provisions, useful lives of amortizable intangible assets, impairment of long-lived 
assets, and realizability of deferred tax assets. On an ongoing basis, management reviews its estimates to ensure that 
these estimates appropriately reflect changes in the Company’s business and new information as it becomes 
available. If historical experience and other factors used by management to make these estimates do not reasonably 
reflect future activity, the Company’s consolidated financial statements could be materially impacted. 

F-11 

  
  
  
  
  
  
  
  
 
  
 
 
 
  
 
 
 
  
  
  
  
  
    
  
 
 
  
  
  
  
  
    
  
 
 
 
  
  
  
  
  
    
  
 
 
 
  
  
  
  
  
    
  
 
 
 
  
Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

(b)                                 Cash and Cash Equivalents 

Cash equivalents consist of highly liquid investments that are readily convertible to cash generally with maturities of 
three months or less when purchased. 

(c)                                  Accounts Receivable 

The Company extends unsecured credit to its customers in the ordinary course of business and actively pursues past 
due accounts. The Company estimates an allowance for doubtful accounts based on historical experience, the age of 
the accounts receivable balances, credit quality of the Company’s customers, current economic conditions and other 
factors that may affect its customers’ ability to pay. 

(d)                                 Inventories 

Inventories are stated at the lower of cost or replacement cost with respect to raw materials and the lower of cost or 
net realizable value with respect to finished goods and work in progress. The cost of work in progress and finished 
goods is determined on a weighted-average cost basis and includes direct material, direct labor and overhead costs. 
Net realizable value represents the anticipated selling price, net of distribution cost, less the cost for finished goods 
or estimated costs to completion for work in progress. 

(e)                                  Property, Plant and Equipment 

Property, plant and equipment are recorded at cost. Significant additions and improvements are capitalized, while 
repairs and maintenance are charged to expenses as incurred. Equipment purchased for specific research and 
development projects with no alternative uses are expensed. Assets under construction are not depreciated until 
construction is completed and the assets are ready for their intended use. Gains and losses from the disposal of 
property, plant and equipment are recorded in loss on disposal and impairment of property, plant and equipment 
included in the consolidated statements of comprehensive income (loss). 

Depreciation of property, plant and equipment is computed using the straight-line method based on the estimated 
useful lives of the assets as follows: 

Plant and buildings 
Machinery and equipment 
Motor vehicles 
Office equipment and furniture
Leasehold improvements 

10 to 24 years 
8 to 10 years 
4 to 5 years 
3 to 5 years
Lesser of useful lives and term of lease  

(f)                                   Prepaid land lease payments 

Prepaid land lease payments represent amounts paid for the rights to use land in the PRC and is recorded at purchase 
cost less accumulated amortization. Amortization is provided on a straight-line basis over the term of the lease 
agreement, which is 28 to 49 years. 

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Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

(g)                                  Licenses 

The Company capitalizes the patent payment and the purchase cost of vaccines if the vaccine has received a new 
drug certificate from the China Food and Drug Administration (“CFDA”) of China. If the vaccine has not received a 
new drug certificate, the purchase cost is expensed as in-process research and development. 

Licenses in relation to the production and sales of pharmaceutical products are amortized on a straight-line basis 
over their respective useful lives. The useful lives of inactivated hepatitis A and recombinant hepatitis A&B licenses 
are estimated to be ten years. Before August 15, 2012, the useful life for H5N1 licenses was estimated to be 20 
years. Effective August 15, 2012, the remaining useful life was revised to three years expiring on December 29, 
2015 as a result of amendment to the agreement with the licensor (note 22(c)). The weighted average useful lives of 
the acquired licenses are 9.16 years. Costs incurred to renew or extend the term of a licenses are capitalized and 
amortized over the license’s useful life on a straight-line basis. 

(h)                                 Impairment of Long-Lived Assets 

Long-lived assets including intangible assets subject to amortization are reviewed for impairment whenever events 
or changes in circumstances indicate that the carrying value of an asset group may not be recoverable from the 
future undiscounted net cash flows expected to be generated by the asset group. An asset group is identified as assets 
at the lowest level for which identifiable cash flows are largely independent of the cash flows of other assets. If the 
asset group is not fully recoverable, an impairment loss would be recognized for the difference between the carrying 
value of the asset group and its estimated fair value, based on the discounted net future cash flows or other 
appropriate methods, such as comparable market values. The Company uses estimates and judgments in its 
impairment tests and if different estimates or judgment had been utilized, the timing or the amount of any 
impairment charges could be materially different. The Company recorded impairment charges on long-lived assets 
for the year ended December 31, 2014 of $nil (2013 - $57, 2012 - $2,176). 

(i)                                    Income Taxes 

The Company follows the liability method of accounting for income taxes.  Under this method, deferred tax 
liabilities and assets are determined based on the temporary differences between the financial statements and tax 
bases of assets and liabilities using enacted tax rates in effect in the years in which the differences are expected to 
reverse. A valuation allowance is provided if, based on the weight of available evidence, it is more-likely-than-not 
that some portion, or all, of the deferred tax assets will not be realized. Deferred tax assets and liabilities are 
measured using enacted tax rates and laws. 

The tax benefit from an uncertain tax position is recognized only if it is more likely than not that the tax position 
will be sustained upon examination by the appropriate taxing authority, based on the technical merits of the position. 
The tax benefits recognized from such a position are measured based on the amount that is greater than 50% likely 
of being realized upon settlement. The Company recognizes a change in available facts after the reporting date but 
before issuance of the financial statements in the period when the change in facts occur, even if that new information 
provides a better estimate of the ultimate outcome of an uncertainty. Liabilities associated with uncertain tax 
positions are classified as long-term unless expected to be paid within one year. Interest and penalties related to 
uncertain tax positions, if any, are recorded in the provision for income taxes and classified with the related liability 
on the consolidated balance sheets. 

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Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

(j)                                    Value-added Taxes 

Value-added taxes (“VAT”) collected from customers relating to product sales and remitted to governmental 
authorities are presented on a net basis. VAT collected from customers is excluded from revenue. Prior to July 1, 
2014, the Company was subject to a VAT rate of 6%. Starting on July 1, 2014, the Company is subject to a VAT 
rate of 3%. 

(k)                                 Revenue Recognition 

Revenue is recognized when persuasive evidence of an arrangement exists, the price is fixed and determinable, 
delivery has occurred and there is a reasonable assurance of collection of the sales proceeds. The Company 
generally obtains purchase authorizations from its customers for a specified amount of products at a specified price 
and considers delivery to have occurred when the customer takes title of the products. The Company provides 
certain customers with a right of return. 

Revenue for inactivated hepatitis A, combined inactivated hepatitis A&B and seasonal influenza vaccines are 
recognized when delivery has occurred and the Company estimates return provision for these products. The product 
return provisions for inactivated hepatitis A vaccine and combined inactivated hepatitis A&B vaccine are estimated 
based on historical return and exchange levels as well as the inventory levels and the remaining shelf lives of the 
products in the distribution channels. As of December 31, 2014, the sales return provision for inactivated hepatitis A 
vaccine and combined inactivated hepatitis A&B vaccine was $3,553 (December 31, 2013 - $2,240). Private pay 
sales return provision of inactivated hepatitis A and combined inactivated hepatitis A&B as a percentage of sales 
was 8.6% and 5.5% in 2014 and 2013, respectively. The Company does not accept returns for hepatitis products sold 
under the Expanded Program on Immunization and exports. As such, no sales returns are estimated for these sales. 
The product return provision for seasonal influenza vaccines is estimated based on actual sales returns and expected 
sales returns up to the end of the flu season because the Company generally accepts returns before the end of the flu 
season. As of December 31, 2014, the sales return provision for seasonal influenza vaccine returns was 
approximately $1,320 (December 31, 2013 - $575). 

Revenue for animal and mumps vaccines without a right of return provided to customers is recognized when 
delivery has occurred. Revenue for animal and mumps vaccines with a right of return provided to customers is 
recognized when payments are collected from customers as the Company currently does not have sufficient 
historical data to estimate returns for these products. 

Deferred revenue is generally relating to government stockpiling programs and advances received from customers. 
For government stockpiling programs of H1N1 and H5N1 vaccines, the Company generally obtains purchase 
authorizations from the government for a specified amount of products at a specified price and no rights of return are 
provided. Revenue is recognized when the government takes delivery of the products. If the products expire prior to 
delivery, these expired products are recognized as revenue once cash is received and the products have expired and 
passed government inspection. 

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Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

(l)                                     Shipping and Handling 

Shipping and handling fees billed to customers are included in sales. Costs related to shipping and handlings are 
recognized in selling, general and administrative expenses in the consolidated statements of comprehensive income 
(loss). For the year ended December 31, 2014, $1,241 of shipping and handling costs was included in selling, 
general and administrative expenses (2013 - $1, 235, 2012 - $1,118). 

(m)                             Advertising Expenses 

Advertising costs are expensed as incurred and included in selling, general and administrative expenses. Advertising 
costs were $268 for the year ended December 31, 2014 (2013 - $474, 2012 - $29). 

(n)                                 Research and Development 

Research and development (“R&D”) costs are expensed as incurred and are disclosed as a separate line item on the 
Company’s consolidated statements of comprehensive income (loss). R&D costs consist primarily of the 
remuneration of R&D staff, depreciation, material, clinical trial costs as well as amortization of acquired technology 
and know-how used in R&D with alternative future uses. R&D costs also include costs associated with collaborative 
R&D and in-licensing arrangements, including upfront fees paid to collaboration partners in connection with 
technologies which have not reached technological feasibility and did not have an alternative future use. 
Reimbursement of R&D costs for arrangements with collaboration partners is recognized when the obligations are 
incurred. 

Under certain R&D arrangements with third parties, the Company may be required to make payments that are 
contingent on the achievement of specific development, regulatory and/or commercial milestones. Before a product 
receives regulatory approval, license fees and milestone payments made to third parties are expensed as incurred. 
License fees and milestone payments made to third parties after regulatory approval is received are capitalized and 
amortized over the remaining life of the agreement with third parties. 

(o)                                 Government Grants 

Government grants received from the PRC government by the PRC operating subsidiaries of the Company are 
recognized when there is reasonable assurance that the amount is receivable and all the conditions specified in the 
grant have been met. Government grants for R&D are recognized as a reduction to R&D expenses when the 
expenses are incurred in the same period when the conditions attached to the grants are met, or recognized as 
government grants recognized in income in the period when the conditions are met after the expenses are incurred. 
Government grants for property, plant and equipment are deferred and recognized as a reduction to the related 
depreciation and amortization expenses in the same manner as the plant and equipment are amortized. Interest 
subsidies are recorded as a reduction to interest and financing expenses in the consolidated statements of 
comprehensive income (loss), or recorded as a reduction to interest capitalized if the subsidies granted are related to 
a specific borrowing associated with building a qualifying asset. For government loans received at below market 
interest rate, the difference between the face value of the loan and fair value using the effective interest rate method 
is recorded as deferred government grants. Accretion expense is recorded in interest and financing expense and the 
government grant will be recognized as “government grants recognized in income” in the consolidated statement of 
comprehensive income (loss) when the government loan is fully repaid. 

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Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

(p)                                 Retirement and Other Post-retirement Benefits 

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, unemployment insurance, employee housing fund and 
other welfare benefits are provided to employees. Chinese labor regulations require that the Company makes 
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. The total amounts for such employee 
benefits, which were expensed as incurred was $3,498 for the year ended December 31, 2014 (2013 - $3,138, 2012 -
$2,771). 

(q)                                 Foreign Currency Translation and Transactions 

The Company maintains their accounting records in their functional currencies, U.S. dollars (“US$”) for the 
Company and Sinovac Hong Kong and Renminbi Yuan (“RMB”) for the PRC subsidiaries. The Company uses the 
US$ as its reporting currency. 

At the transaction date, each asset, liability, revenue and expense is re-measured into the functional currency by the 
use of the exchange rate in effect at that date. At the period end, foreign currency monetary assets, and liabilities are 
re-measured into the functional currency by using the exchange rate in effect at the balance sheet date. The resulting 
foreign exchange gains and losses are included in selling, general and administrative expenses. The Company 
recognized foreign exchange gains (losses) of $(647) for the year ended December 31, 2014 (2013 - $650, 2012 - 
$207). 

The assets and liabilities of the PRC subsidiaries, Sinovac Beijing, Tangshan Yian, Sinovac R&D and Sinovac 
Dalian are translated into US$ at the exchange rates in effect at the balance sheet date. Revenue and expenses are 
translated at average exchange rates.  Gains and losses from such translations are recorded in accumulated other 
comprehensive income, a component of shareholders’ equity. 

Gains and losses on intra-entity foreign currency transactions that are of a long-term-investment nature was $294 for 
year ended December 31, 2014 (2013 - $235, 2012 - $199) which was recorded in other comprehensive income 
(loss). 

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Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

(r)                                    Stock-based Compensation 

Compensation expense for costs related to all share-based payments, including grants of stock options, is recognized 
through a fair-value based method. The Company uses the Black-Scholes option-pricing model to determine the 
grant date fair value for the awards.  The Company has elected to recognize share-based compensation costs using 
the straight-line method over the requisite service period with a graded vesting schedule, provided that the amount 
of compensation costs recognized at any date is at least equal to the portion of the grant date value of the awards that 
are vested at that date. Forfeitures are estimated at the time of grant and revised, if necessary, in subsequent periods 
if actual forfeitures differ from initial estimates. Share based compensation costs are recorded net of estimated 
forfeitures such that expense is recorded only for those awards that are expected to vest. 

(s)                                   Comprehensive Income (loss) 

The Company’s comprehensive income (loss) consists of net income (loss) and foreign currency translation 
adjustments. 

(t)                                    Earnings(loss) Per Share 

Earnings (loss) per share is calculated in accordance with ASC 260 Earnings per Share. Basic earnings (loss) per 
share is computed by dividing the net income (loss) attributable to shareholders of Sinovac by the weighted average 
number of common shares outstanding during the year. Diluted earnings per share is computed in accordance with 
the treasury stock method and based on the weighted average number of common shares and dilutive common share 
equivalents of options. If the Company records a net loss, the basic and diluted loss per share is the same because 
the exercise of options would have an anti-dilutive effect. 

(u)                                 Operating Leases 

Leases are classified as capital and operating depending on the terms and conditions of the lease agreement. Leases 
that transfer substantially all the benefits and risks incidental to ownership of assets are accounted for as if there was 
an acquisition of an asset and incurrence of an obligation at the inception of the lease. All other leases are accounted 
for as operating leases where rental payments are expensed as incurred. There are no capital leases for the periods 
presented. 

(v)                                 Fair Value Measurements 

Assets and liabilities subject to fair value measurements are required to be disclosed within a specified fair value 
hierarchy. The fair value hierarchy ranks the quality and reliability of inputs, or assumptions, used in the 
determination of fair value and requires assets and liabilities carried at fair value to be classified and disclosed in 
one of the following categories based on the lowest level input used that is significant to a particular fair value 
measurement: 

•       Level 1 — Observable inputs that reflect quoted prices (unadjusted) for identical assets or liabilities in active 

markets. 

•       Level 2 — Inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either 
directly or indirectly. Level 2 inputs include quoted prices for similar assets or liabilities in active markets, or 
quoted prices for identical or similar assets and liabilities in markets that are not active. 

•       Level 3 — Unobservable inputs for the asset or liability. 

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Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

As of December 31, 2014 and 2013, the Company did not have any financial assets or liabilities measured at fair 
value on a recurring basis. 

The carrying values of cash equivalents, accounts receivable, accounts payable and accrued liabilities and short-term 
bank loans and the current portion of long-term debt approximate their fair value because of their short-term nature. 
The fair value of long-term debt is estimated based on the discounted value of future contractual cash flows which 
approximates their carrying value due to the fact they are predominately stated at variable rates based on the 
People’s Bank of China.  Fair value of cash equivalents and the long-term debt are determined based on level 2 
inputs. 

The Company measures property, plant and equipment at fair value on a non-recurring basis only if an impairment 
charge were to be recognized. As at December 31, 2012, the Company’s prepaid land lease payment, property, plant 
and equipment at Tangshan Yian and certain equipment and leasehold improvements at Sinovac Beijing were 
measured at fair value on a nonrecurring basis. The Company determined the fair value of Tangshan Yian’s prepaid 
land lease payments, plant and buildings using the market approach by obtaining quoted prices for similar assets in 
the principal resale market. The Company determined the fair value of Tangshan Yian’s machinery and equipment 
using the cost approach by estimating the amount that currently would be required to construct or purchase 
substitute machinery and equipment of comparable utility. The estimate considers the condition of the assets which 
include the physical deterioration and economic obsolescence. It was determined the fair value of Tangshan Yian’s 
property, plant and equipment was $2,923 compared to the carrying value of $4,420. The Company determined the 
fair value of certain equipment and leasehold improvements at Sinovac Beijing using the market approach by 
obtaining quoted prices for similar assets in the principal resale market, and determined the fair value was $89 
compared to the carrying value of $763. There were no non-recurring fair value measurements for the years ended 
December 31, 2014 and 2013. 

Description 
Prepaid land lease payment  
Plant, building and equipment 
Total nonrecurring 

Total
Fair Value

1,226 
1,786 
3,012

   $ 
   $ 
   $ 

Fair value measurements at December 31, 2012
using 

Quoted
Prices in 
Active 
Markets for 
Identical 
Assets 
(Level 1)

Significant
Other 
Observable 
Inputs (Level 2)

Significant
unobservable 
Inputs 
(Level 3)

— 
— 
—

$
$
$

1,226  
1,786  
3,012

— 
— 
—

$
$

Total
Losses

— 
2,171 
2,171

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Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

(w)       Concentration of Risks 

Exchange Rate Risks 

The Company operates in China, which may give rise to significant foreign currency risks from fluctuations and the 
degree of volatility of foreign exchange rates between the US$ and the RMB. In 2014, foreign exchange loss of $647 is 
included in selling, general and administrative expenses (2013 - $650, 2012 - $207). As at December 31, 2014, cash and 
cash equivalents of $72,104 (RMB 447 million) is denominated in RMB and are held in PRC and Hong Kong 
(December 31, 2013 -  $ 92,861 (RMB 563 million)). 

Currency Convertibility Risks 

Substantially all of the Company’s operating activities are transacted in RMB, which is not freely convertible into 
foreign currencies. All foreign exchange transactions take place either through the People’s Bank of China or other banks
authorized to buy and sell foreign currencies at the exchange rates quoted by the People’s Bank of China. Approval of 
foreign currency payments by the People’s Bank of China or other regulatory institutions requires submitting a payment 
application form together with other information such as suppliers’ invoices, shipping documents and signed contracts. 

Concentration of Credit Risks 

Financial instruments that potentially subject the Company to concentration of credit risks consist primarily of cash and 
cash equivalents and accounts receivable, the balances of which are stated on the consolidated balance sheets which 
represent the Company’s maximum exposure. The Company places its cash and cash equivalents in good credit quality 
financial institutions in Hong Kong and China. Concentration of credit risks with respect to accounts receivables is 
linked to the concentration of revenue. The Company’s customers are mainly various government agencies in China. No 
single customer accounted for more than 10% of total sales for the years ended December 31, 2014, 2013 and 2012 
except for government stockpile purchases revenue recognized in 2013. To manage credit risk, the Company performs 
ongoing credit evaluations of customers’ financial condition. 

Interest Rate Risks 

The Company is subject to interest rate risk.  Other than a long-term loan with carrying value of $1,803 and loan from a 
non-controlling shareholder of $2,595 with fixed interest rates as at December 31, 2014, other interest-bearing loans are 
stated at variable rates based on the People’s Bank of China (note 10). 

(x)         Comparative information 

Certain comparative figures of prior year have been reclassified to conform to the current year’s presentation. 

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Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

(y)         Recently Issued Accounting Standards 

In May 2014, the FASB issued ASU No. 2014-09 (“ASU 2014-09”), Revenue from Contracts with Customers (Topic 
606). Where a single, global revenue recognition model applies to most contracts with customers. Revenue will be 
recognized in a manner that depicts the transfer of goods or services to customers in an amount that reflects the 
consideration to which an entity expects to be entitled, subject to certain limitations. The guidance is effective for annual 
periods beginning after December 15, 2016. Early adoption is prohibited, and a full or modified retrospective transition 
method is required. The Company is currently evaluating the impact of its consolidated financial statements of adopting 
this standard. 

In August 2014, the FASB issued ASU No. 2014-15 (“ASU 2014-15”), Going concern. Management the Company will 
be required to evaluate whether there is substantial doubt about the Company’s ability to continue as a going concern 
and, if so, disclose that fact. Management will also be required to evaluate and disclose whether its plans alleviate that 
doubt. The guidance is effective for annual periods beginning after December 15, 2016. Early adoption is permitted. The 
Company will adopt ASC 2014-15 on January 1, 2017, and does not expect the adoption of this standard will have a 
material impact on its consolidated financial statements. 

3.                                      Accounts Receivable - net 

Trade receivables (note 9) 
Allowance for doubtful accounts 

Other receivables 
Total 

December 31,
2014

December 31, 
2013 

$

$

42,423 
(2,571)
39,852 
905
40,757

$

$

33,743  
(2,429) 
31,314  
613  
31,927

Accounts receivables with a carrying value of $5,641 (RMB 35 million) were pledged as collateral for a bank loan (note 9). 

The allowance for doubtful accounts reflects the Company’s best estimate of probable losses inherent in the accounts 
receivable balance. The Company estimates the allowance based on known troubled accounts, historical experience, the age 
of the accounts receivable balances, credit quality of the Company’s customers, current economic conditions, and other 
factors that may affect customers’ ability to pay. The Company records its allowance for doubtful accounts based upon its 
assessment of various factors. As of December 31, 2014, the Company provided 100% (December 31, 2013 -100%) 
allowance for accounts receivable aged more than three years, approximately  56.3% (December 31,2013 - 56.3%) allowance 
for accounts receivable aged between two year and three years, approximately  18.5% (December 31,2013 - 16.9%) 
allowance for accounts receivable aged between one year and two years, and approximately  1.8% (December 31,2013 - 
1.7%) allowance for accounts receivable aged less than one year. 

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Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

The Company’s maximum exposure to credit risk at the balance sheets date relating to trade receivables is summarized as 
follows: 

Aging within one year, net of allowance for doubtful accounts

   December 31, 
2014 

December 31,
2013

$ 

35,130 

$

29,565 

Aging greater than one year, net of allowance for doubtful accounts
Total 

$ 

4,722  
39,852

1,749 
31,314

December 31,
2013

3,832
448 
10,049 
14,329

$

$

$

   December 31, 
2014 
$ 

2,688
4,056  
12,088 
18,832

   December 31, 
2014 

December 31,
2013

— 
2,648
2,648

$

$

666 
2,115
2,781

$ 

$ 

$ 

4.                                      Inventories 

Raw materials 
Work in progress  
Finished goods 
Total 

5.                                      Long-term Inventories 

Work in progress 
Finished goods 
Total 

For the year ended December 31, 2014, the Company charged $2,492 of excessive fixed production overhead to cost of sales 
as such costs were incurred (2013 - $2,217, 2012- $3,140). 

For the year ended December 31, 2014, the cost of sales includes $1,273 of inventory provision for products that are likely to 
be expired before being sold (2013 - $1,399, 2012- $3,479). 

Long-term inventories represent H5N1 vaccines with remaining shelf lives over one year and not expected to be sold within 
one year. These vaccines are for government stockpiling purposes. 

6.                                      Property, Plant and Equipment 

Cost 
Construction in progress  
Plant and buildings 
Machinery and equipment  
Motor vehicles  
Equipment and furniture  
Leasehold improvements 
Total cost 

Less: Accumulated depreciation  
Construction in progress  
Plant and buildings 
Machinery and equipment  
Motor vehicles  
Equipment and furniture  
Leasehold improvements 
Total accumulated depreciation  

Property, plant and equipment net  

F-21 

   December 31, 
2014 

December 31,
2013

$ 

$ 

$ 

$ 

$ 

8,206  
34,419 
42,517 
1,832  
2,612  
13,232 
102,818

— 
7,908  
18,891
1,643  
1,765
4,194  
34,401

68,417

$

$

$

$

$

424 
35,259 
42,851 
1,884 
2,620 
12,386 
95,424

— 
6,455 
15,658
1,653 
1,546
2,149 
27,461

67,963

  
  
  
  
  
  
  
  
  
  
  
  
  
 
  
 
 
  
  
 
 
 
  
 
  
 
 
  
  
 
 
 
 
 
 
 
  
 
 
  
  
 
 
 
 
 
 
  
 
 
  
  
 
 
 
 
 
 
 
 
  
 
  
  
 
 
 
 
  
Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

The buildings of the Changping facilities of Sinovac Beijing with a net book value of $14,876 (RMB 92.3 million) were 
pledged as collateral for a bank loan from China Construction Bank (note 9). 

The buildings of Sinovac Beijing with a net book value of $2,933 (RMB 18.2 million) was pledged as collateral for a bank 
loan from Bank of Beijing (note 9). 

The buildings of Sinovac Dalian with a net book value of $5,836 (RMB 36.2 million) were pledged as collateral for a bank 
loan from Bank of China (note 9). 

Depreciation expense for the year ended December 31, 2014 was $7,771 (2013 - $5,998, 2012 - $3,961). 

Loss on disposal of equipment for the year ended December 31, 2014 was $74 (2013 - $31, 2012 - $14). 

In 2012, Sinovac Beijing decided to move the packaging line from its Shangdi site to the Changping site. The equipment not 
being relocated to Changping and the leasehold improvements for the packaging line production area at the Shangdi site were 
impaired as a consequence. The Company recorded an impairment charge of $nil for the year ended December 31, 2014 
(2013 - $57 (RMB 0.3 million), 2012 - $656 (RMB 4.1 million)). 

Tangshan Yian incurred a loss in 2012 and was expected to continue to incur losses in the future. In 2012, the Company 
performed a recoverability test of Tangshan Yian’s property, plant and equipment by comparing the forecasted undiscounted 
cash flow to be generated from continuous use of the property, plant and equipment to their carrying value. As the 
undiscounted cash flows over the remaining useful life of the assets were negative, the Company measured the impairment 
amount by estimating the fair value of the property, plant and equipment. The Company determined the fair value of 
Tangshan Yian’s prepaid land lease payments and plant and buildings using the market approach by obtaining quoted prices 
for similar assets in the principal resale market. The Company determined the fair value of Tangshan Yian’s machinery and 
equipment using the cost approach by estimating the amount that currently would be required to construct or purchase 
substitute machinery and equipment of comparable utility. The estimate considered the condition of the assets which include 
the physical deterioration and economic obsolescence. 

F-22 

  
  
  
  
  
  
  
  
  
 
Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

It was determined the fair value of Tangshan Yian’s property, plant and equipment and prepaid land lease payments was 
$2,923 compared to the carrying value of $4,420 as at December 31, 2012. As the fair value of the prepaid land lease 
payments exceeded their carrying value, the impairment of $1,497 was allocated on a pro-rata basis to the plant and 
buildings, and machinery and equipment based on their relative carrying value. At the end of 2013 and 2014, the Company 
determined impairment indicators at Tangshan Yian continued to exist due to losses incurred, and performed impairment 
analysis using the same methodology used in 2012. The Company concluded no further impairment losses were required to 
be recorded. 

7.                                      Prepaid land lease payments 

Prepaid land lease payments 
Less: accumulated amortization 
Net carrying value 

   December 31, 
2014 

December 31,
2013

$ 

$ 

11,940 
1,535  
10,405

$

$

12,238 
1,290 
10,948

The prepaid land lease payments of the Changping facilities of Sinovac Beijing with a net book value of $2,922 (RMB18.1 
million) were pledged as collateral (note 9) for a bank loan from China Construction Bank. 

The prepaid land lease payments of Sinovac Beijing with a net book value of $352 (RMB2.2million) were pledged as 
collateral (note 9) for a bank loan from Bank of Beijing. 

The prepaid land lease payments of Sinovac Dalian with a net book value of $3,801 (RMB23.6million) were pledged as 
collateral (note 9) for a bank loan from Bank of China. 

Amortization expenses for prepaid land lease payments for the year ended December 2014 was $278 (2013 - $311, 2012 - 
$299). 

8.                                      Licenses 

Inactivated hepatitis A 
Combined inactivated hepatitis A&B 
H5N1 licenses (note 22(c)) 
Total 

December 31, 2014
Accumulated 
amortization 

Net book
value

Cost

$

$

3,405 $
490 
1,482 
5,377

$

3,405 $
490 
1,130 
5,025

$

—
— 
352 
352

F-23 

  
  
  
  
  
  
  
  
  
  
  
  
 
 
  
  
 
 
  
 
 
  
 
 
  
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

Inactivated hepatitis A 
Combined inactivated hepatitis A&B 
H5N1 licenses (note 22(c)) 
Total 

December 31, 2013
Accumulated 
amortization 

Net book
value

Cost

  $

$

3,490  $
502 
1,519
5,511

$

3,490  $
452 
797
4,739

$

— 
50 
722
772

(a)                                 On August 15, 2011, the Company entered into a non-exclusive main license agreement together with three 
sublicense agreements with Medimmune, LLC (“Medimmune”) to use patented reverse genetics technology 
pertaining to virus strain production for vaccines, including the H5N1 influenza virus strain. The Company 
amortized the patent fee on a straight-line method basis over the estimated useful life of 20 years. On August 15, 
2012, the Company entered into amendment agreements with Medimmune which amended the term of the license 
agreements. As for the main license agreement, the estimated useful life of the patent was revised to end on 
December 29, 2015. The other three sublicense agreements have been revised to end on April 5, 2020, July 14, 2020, 
and May 23, 2021, respectively. Accordingly, the estimated useful life of the patent was revised to end on December 
29, 2015 (note 22(c)) which is the termination date of the main license agreement. 

(b)                                 Amortization expense for the licenses was $371 for the year ended December 31, 2014 (2013 - $435, 2012 - $228). 

(c)                                  Estimated amortization expense for the existing license over their remaining useful lives as of December 31, 2014 is 

$352 within one year. 

The amortization expense forecast is an estimate. Actual amounts of amortization expense may differ from estimated 
amounts due to additional intangible asset acquisitions, changes in foreign currency exchange rates, impairment of 
licenses and other events. 

9.                                      Bank loans and other debt 

Summarized below were bank loans and other debt as of December 31, 2014 and 2013: 

China Merchants Bank(a) 
Bank of Beijing (b) 
Bank of China (c) 
Industrial and Commercial Bank of China (d)

Bank loans less than one year 

China Construction Bank (e) 
China Construction Bank (f) 
Bank of Beijing (g) 

Current portion of long-term bank loans 

China Construction Bank (e) 
China Construction Bank (f) 
Bank of Beijing (g) 
Beijing Zhongguancun Development Group (h)

Long-term bank loans and other debt 

Total bank loans and other debt 

December 31,

2014 

$ 

4,835
8,059  
1,612  
3,223

17,729 

13,861
4,044  
11,741 

29,646

— 
—
— 
1,803  

1,803

2013

$

1,652
— 
1,652 
—

3,304 

330
518 
12,065 

12,913

14,206 
4,145
12,065 
1,730 

32,146

$ 

49,178

$

48,363

F-24 

  
  
  
  
  
  
  
  
  
  
 
  
  
  
 
 
 
 
 
  
  
  
  
 
 
  
 
  
 
 
  
  
 
 
 
  
  
Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

(a) In 2013, Sinovac Beijing entered into a bank loan with China Merchants Bank in the aggregate principal amount of 
$1,652 (RMB 10 million), bearing interest at 10% above the prime rate of a one-year term loan published by the People’s 
Bank of China. Interest is payable quarterly. The loan was drawn on January 31, 2013 and was repaid in full on January 30, 
2014. 

In 2014, Sinovac Beijing entered into a bank loan with China Merchants Bank in the aggregate principal amount of $4,835 
(RMB 30 million) to finance its working capital requirements, bearing interest at 15% above the prime rate of a one-year 
term loan published by the People’s Bank of China, at 6.9% per year. Interest is payable quarterly. The loan was drawn on 
March 3, 2014 and was repaid on March 2, 2015. 

(b) In 2014, Sinovac Beijing entered into a bank loan with Bank of Beijing in the aggregate principal amount of $8,059 
(RMB 50 million) to finance its working capital requirements. The loan bears interest at 6% and is payable quarterly. The 
loan was drawn on August 21, 2014 and is repayable on August 21, 2015. 

(c) On December 17, 2012, Sinovac Dalian entered into a bank loan agreement with Bank of China with a credit line of 
$3,223 (RMB 20 million). The first $806 (RMB 5 million) was drawn down on March 13, 2013 and repaid on March 12, 
2014. The second $806 (RMB 5 million) was drawn down on September 24, 2013 and repaid on September 23, 2014. The 
third $806 (RMB 5 million) was drawn down on March 31, 2014 and was repaid on March 26, 2015. The fourth $806 (RMB 
5 million) was drawn down on September 23, 2014 and is repayable on September 22, 2015. The loan bears interest at 7.4% 
and the interest is payable monthly. Prepaid land lease payments and buildings of Sinovac Dalian with a net book value of 
$9,637 (RMB 59.8 million) were pledged as collateral. 

(d) In 2014, Sinovac Beijing entered into a bank loan with Industrial and Commercial Bank of China Limited in the 
aggregate principal amount of $3,223 (RMB 20 million) to finance the working capital requirements, bearing interest at 10% 
above the prime rate of a one-year term loan published by the People’s Bank of China plus 0.9% of financing fee per year, at 
7.5% per year. Interest is payable monthly. The loan was drawn on June 19, 2014 and is repayable on June 19, 2015. The 
loan is guaranteed by an unrelated third party, with a guarantee fee of $64 (RMB 0.4 million) over the term of the loan. 
Trade receivables of Sinovac Beijing with a carrying value of not lower than $5,641 (RMB 35 million) were pledged as 
collateral. 

F-25 

  
  
  
  
  
  
  
 
Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

(e) The loan from China Construction Bank in the aggregate principal amount of $14,183 (RMB 88 million) (December 
31, 2013 - $14,536) is exclusively for the purchase of the Changping facility, bearing interest at the bank’s prime lending 
rate and adjusted every 12 months, at 6.4% per year. Interest is payable monthly. Prepaid land lease payment and buildings 
of the Changping facilities of Sinovac Beijing with a net book value of $17,798 (RMB 110 million) were pledged as 
collateral. $322 (RMB 2 million) was repaid in 2013, $322 (RMB 2 million) was repaid in 2014 and $13,861 (RMB 86 
million) was repaid in February 2015. 

(f) The total amount of the loan facility from China Construction Bank is $8,059 (RMB 50 million) for a three-year period 
from December 13, 2012 to December 12, 2015. The amount drawn is $4,996 (RMB 31 million) as at December 31, 2014. 
The interest is set at the bank’s prime lending rate at 6.15% per year. The loan is to be used exclusively for the operation 
and production costs of Sinovac Beijing. Interest is payable monthly. The loan is unsecured and 10% of the principal 
amount is repayable in 2013, 10% of the principal amount is repayable in 2014 with the remaining principal repayable in 
2015. $458 (RMB 3 million) was repaid in 2013 and $494 (RMB 3 million) was repaid in 2014. Pursuant to the covenants 
set out in the agreement, the debt to total assets ratio must not be higher than 85%, the current ratio must not be lower than 
1, contingent liabilities must not be higher than $14,667 (RMB 91 million) and contingent liabilities as a percentage of 
total shareholders’ equity must not be higher than 10%. The Company is in compliance with such covenants as of 
December 31, 2014 and 2013. 

(g) The loan from Bank of Beijing in the aggregate principal amount of $23,531 (RMB 146 million) (December 31, 2013- 
$24,130) for a period from May, 2011 to November, 2015 is for construction of the Changping facility and has a 
maximum credit facility amount of $32,234 (RMB 200 million). The loan bears interest at the bank’s prime lending rate 
and adjusted every 12 months, currently at 6.4% per year. Interest is payable quarterly. The loan is repayable in four equal 
installments on May 13, 2014, November 13, 2014, May 13, 2015 and November 13, 2015. $11,790 (RMB 72.6 million) 
was repaid in 2014. The Company also obtained a credit line with a maximum quota for issuing letter of credits of $12,894 
(RMB 80 million) with the same bank. No letters of credit were issued by the Company as at December 31, 2014 and 
2013, respectively. Prepaid land lease payments and buildings of Sinovac Beijing with a net book value of $3,285 (RMB 
20.4 million) were pledged as collateral. $11,741 (RMB 72.9 million) is repayable in 2015. 

(h) The loan from Beijing Zhongguancun Development Group in the aggregate principal amount of $1,934 (RMB 12 
million) bearing interest currently at 0.36% per year is for the purpose of funding EV71 vaccine research project of 
Sinovac Beijing. The total loan is $1,934 (RMB 12 million) of which $967 (RMB 6 million) was received in 2012 and the 
second $967 (RMB 6 million) was received in 2013. The loan is unsecured and repayable on February 24, 2016. The 
Beijing Zhongguancun Development Group is entitled to 10.62% ownership of the profits, if any, generated from the 
intellectual property developed during the loan period. No profit-sharing payments are required to be made as no profits 
have been generated to date. The Company can repay the loan at any time during the loan period. The fair value 
differential of $376 (between the face value and the fair value using the effective interest rate method at the Company’s 
borrowing rate of 6.9%) is recorded as non-current deferred government grant (2013 - $383) (see note 14). 

F-26 

  
  
  
  
  
  
 
Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

Aggregate annual principal payments of loans payable as of December 31, 2014 are as follows: 

Within 1 year  
Between 1 and 2 years 
Total 

  $

$

47,375 
1,803 
49,178

The weighted average effective interest rate for all short-term and loan-term bank loans was 6.8% in 2014 (2013 - 6.6%, 
2012 - 7.0%). The weighted average interest rate for short-term loans was 6.8% in 2014 (2013 - 7.0%, 2012 - 7.0%).The 
Company incurred $3,374 in interest and financing expenses for the year ended December 31, 2014 (2013 - $2,942, 2012 - 
$1,955), of which $nil for the year ended December 31, 2014, was capitalized in property, plant and equipment (2013 - $116, 
2012 - $1,306 (net of $1,458 loan interest subsidies received)). 

10.          Related Party Transactions and Balances 

(a)              Loan from a non-controlling shareholder 

Loan - current 

   December 31, 
2014 

December 31,
2013

$ 

2,595

$

3,324

The Company has a loan due to Dalian Jin Gang Group, the non-controlling shareholder of Sinovac Dalian, which is 
unsecured, bearing interest at 7.2% per year.  Interest expense was $221 in 2014 (2013 - $237, 2012 - $231). Interest is 
payable monthly. As of December 31, 2014, $16 of interest payable is included in loan from a non-controlling shareholder 
(December 31, 2013 - $20). $649 (RMB 4 million) was repaid on September 25, 2014 and no payments were made for the 
years ended December 31, 2013 and 2012. 

(b)              The Company entered into the following transactions in the normal course of operations at the exchange amount with 

related parties: 

Rent expenses payable to SinoBioway Biotech Group Co. Ltd. 

(“SinoBioway”). 

  $

869  $

847  $

823 

For the year ended December 31,
2013 

2012

2014

F-27 

  
  
  
  
  
  
  
  
  
  
  
 
 
  
  
  
  
  
 
 
  
 
 
 
 
Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

In 2004, the Company entered into two operating lease agreements with SinoBioway, the non-controlling shareholder of 
Sinovac Beijing, with respect to Sinovac Beijing’s production plant and laboratory in Beijing, China with annual lease 
payments totaling $220 (RMB 1.4 million). The leases commenced on August 12, 2004 and have a term of 20 years. One of 
the lease agreements was amended on August 12, 2010 with the rent increasing from $81 (RMB 0.5 million) to $220 (RMB 
1.4 million) per year. 

In June 2007, the Company entered into another operating lease agreement with SinoBioway, with respect to the expansion 
of Sinovac Beijing’s production plant in Beijing, China for an annual lease payment of $332 (RMB2.0 million). The lease 
commenced in June 2007 and has a term of 20 years. 

In September 2010, the Company entered into another operating lease agreement with SinoBioway with respect to expansion 
of Sinovac R&D’s business on research and development for an annual lease payment of $164 (RMB 1.0 million). The lease 
commenced on September 30, 2010 and has a term of five years. 

On April 8, 2013, the Company entered into three supplemental agreements with SinoBioway, under which the expiration 
date of three of the four operating lease agreements was extended to April 7, 2033. 

Included in current and long-term prepaid expenses and deposits as at December 31, 2014, is $389 (RMB 2.4 million) 
(December 31, 2013 -$306 (RMB 1.9 million)), representing prepaid lease payments made to this related party. 

11.                          Accounts Payable and Accrued Liabilities 

Trade payables 
Machinery and equipment payables 
Accrued expenses 
Value added tax payable 
Other tax payable  
Withholding tax payable 
Bonus and benefit payables 
Other payables 
Total  

12.          Income Taxes 

Antigua and Barbuda 

  December 31, 2014     December 31, 2013  
6,063 
  $
2,270
8,669 
208
576 
1,511 
5,244 
3,496 
28,037

3,164   $
2,209  
8,342  
206  
177  
354  
5,626  
3,159  
23,237

$

   $

Under the current laws of Antigua and Barbuda, the Company is not subject to tax on income or capital gains. Additionally, 
upon payments of dividends by the Company to its shareholders, no Antigua and Barbuda withholding tax will be imposed. 

Hong Kong 

Under the Hong Kong tax laws, Sinovac Hong Kong is exempted from income tax on its foreign-derived income and there 
are no withholding taxes in Hong Kong on remittance of dividends. 

F-28 

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

China 

Effective from January 1, 2008, the PRC’s statutory income tax rate is 25%.The Company’s PRC subsidiaries are subject to 
income tax at the statutory rate of 25% except for Sinovac Beijing.  Sinovac Beijing, being reconfirmed as a “High and New 
Technology Enterprise” (“HNTE”) in 2014 for a period of 3 years, is subject to a preferential income tax rate of 15% from 
2014 to 2016. 

The Company’s income (loss) before income tax consists of: 

Non-PRC 
PRC 
Total 

For the year ended December 31,  
2013 

2012

2014

  $

$

(1,336) $
2,458 
1,122

$

(65)  $

8,210  
8,145

   $

(527)
(19,106)
(19,633)

Income taxes are attributed to the operations in China and consist of: 

For the year ended December 31,  
2013 

2012

2014

Current  
Deferred 
Total income tax benefit (expense) 

  $

$

(1,620) $
162 
(1,458) $

—   $

2,225  
2,225

   $

867 
17 
884

The following is a reconciliation of the Company’s total income tax benefit (expense) to the amount computed by applying 
the PRC statutory income tax rate of 25% to its income (loss) before income taxes for the years ended December 31, 2014, 
2013 and 2012: 

Income (loss) before income tax expense and non-

controlling interests 

Income tax (expense) benefit at the PRC statutory rate
International tax rate differential 
Change in unrecognized tax benefits 
Other adjustments 
Permanent differences 
Effect of preferential tax treatment 
Change in valuation allowance 
Effect of PRC withholding tax  
Income tax benefit (expense) 

  $

$

F-29 

For the year ended December 31, 
2013 

2012

2014

1,122  $
(281)
(334)
(282)
(79)
362 
901
(1,639)
(106)
(1,458) $

8,145   $
(2,036) 
(16) 
(25) 
228  
412  
1,573  
2,089  
—  
2,225

   $

(19,633)
4,909 
(40)
147 
59 
904 
(648)
(5,314)
867 
884

  
  
  
  
  
  
  
  
  
  
 
  
  
 
 
  
 
  
   
 
 
 
  
  
  
  
   
 
 
 
  
 
 
  
 
 
  
 
 
 
 
 
 
 
 
Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

The tax effects of temporary differences that give rise to the Company’s deferred tax assets are as follows: 

Accrued expenses 
Inventories 
Prepaid expenses and deposits 
Deferred government grants 
Tax losses carried forward 
Less: valuation allowance 
Deferred tax assets, current portion 

Fixed assets 
Deferred government grants 
Tax losses carried forward  
Less: valuation allowance 
Deferred tax assets,non-current portion 

December 31,

2014 

2013

2,413
388 
(6)
12 
— 
(541)
2,266

$

$

1,493  
428
10,805 
(12,211) $
$
515

1,982
729 
— 
— 
485 
(594)
2,602

576 
—
10,060 
(10,519)
117

$ 

$ 

$ 
$ 

In assessing the realizability of deferred tax assets, management considers whether it is more likely than not that some 
portion of the deferred tax assets will not be realized. The ultimate realization of deferred tax assets is dependent upon the 
generation of future taxable income during the periods in which the temporary differences become deductible or utilized. The 
Company considers projected future taxable income and tax planning strategies in making this assessment. Based upon an 
assessment of the level of historical taxable income and projections for future taxable income over the periods in which the 
deferred tax assets are deductible or can be utilized, the Company provided valuation allowance of $12,752 as of December 
31, 2014 ( December 31, 2013 -  $11,113). 

The Company evaluates its valuation allowance requirements at end of each reporting period by reviewing all available 
evidence, both positive and negative, and considering whether, based on the weight of that evidence, a valuation allowance is 
needed. When circumstances cause a change in management’s judgement about the realizability of deferred tax assets, the 
impact of the change on the valuation allowance is generally reflected in income from operations. The future realization of 
the tax benefit of an existing deductible temporary difference ultimately depends on the existence of sufficient taxable 
income of the appropriate character within the carry forward period available under applicable tax law. 

Tax losses of the Company’s PRC subsidiaries in the amount of $43,221 (RMB 262 million) as of December 31, 2014 and 
will expire from 2015 to 2019. 

As of December 31, 2014, the Company has not recognized any deferred tax liability on Sinovac Beijing’s undistributed 
earnings of approximately $5,420, in view of the Company’s permanent reinvestment plan. The Company would be subject 
to PRC withholding income taxes at 5% or 10%, depending on the availability of treaty benefit between China and Hong 
Kong, upon the distribution of such profits outside of China. As of December 31, 2014, the amount of unrecognized deferred 
tax liability ranges from $271 to $542. 

The changes in unrecognized tax benefits are as follows: 

Balance at January 1 
Additions for tax positions of the current year
Lapse of statute of limitations 
Balance at December 31 

For the year ended December 31, 
2013 

2012

2014

370  $
168 
(56)
482

$

345   $
25  
—  
370

   $

198 
147 
— 
345

  $

$

F-30 

  
  
 
  
  
  
  
  
  
  
 
  
  
  
  
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
  
  
 
 
 
 
 
Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

The Company recognizes interest and penalties, if any, related to unrecognized tax benefits as part of its income tax 
expenses. The Company did not record any interest and penalties as of December 31, 2014 (December 31, 2013 - $nil, 
December 31, 2012 - $nil).The PRC tax law provides statute of limitations ranging from 3 to 10 years. The PRC tax returns 
for the Company’s PRC subsidiaries are open to examination by tax authorities for the tax years beginning in 2004. 

As of December 31, 2014, the Company had unrecognized tax benefits of approximately $482 (December 31, 2013 - $370, 
December 31, 2012 - $345) and such balance was included in “other non-current liabilities”. All of the unrecognized tax 
benefits would affect the effective tax rate if recognized. In February 2015, a local taxing authority initiated a tax audit on 
one of the Company’s PRC subsidiaries for the year ended December 31, 2013. The local taxing authority raised some 
queries on the deductibility of certain expenses of the concerned subsidiary and management was in the process of clarifying 
the natures of those expenses and hence their tax deductibility with the taxing authority. The potential tax exposures for 2013 
and 2012 were $208 and $153, respectively. No unrecognized tax benefits were accrued on these potential tax exposures 
before as management considered it was more likely than not that these expenses were income tax deductible. The reasonable 
possible change on the Company’s unrecognized tax benefits in the next 12 months ranges from $nil to $361. 

13.                               Deferred Revenue 

Current deferred revenue included $3,546 received from the Chinese government for stockpiling of H5N1 vaccines 
(December 31, 2013 - $102) that expire within one year and $1,450 of advances from customers (December 31, 2013 - $773).

Long-term deferred revenue included $7,191 received from the Chinese government for stockpiling of H5N1 vaccines 
(December 31, 2013 - $11,005). 

14.                          Deferred Government Grants 

Deferred government grants represent funding received from the government for R&D, or investment in building or 
improving production facility. The amount of deferred government grants as at year end is net of research and development 
expenditures or depreciation incurred or those recognized as government grant income. The Company received $3,520 (RMB 
21.7 million) in 2014 (2013 - $842 (RMB 5.2 million, 2012 - $936 (RMB 5.9 million)). 

Deferred government grants included $1,466 (RMB 9.1 million) represents the unamortized portion of the amount that the 
Company received in 2007 for construction of a pandemic influenza vaccine plant and buildings of RMB 20 million 
(December 31, 2013 - $1,800 (RMB 10.9 million)). $290 (RMB 1.8 million) which will be amortized in 2015 was included 
in the current portion and $1,176 (RMB 7.3 million) which will be amortized after 2015 was included in the non-current 
portion of the deferred government grants. The production facility grant requires the Company to have the entire facility 
available to manufacture pandemic influenza vaccines at any given moment upon request by the Chinese government. The 
Company has fulfilled the conditions attached to the government grant. Government grant relating to these production 
facilities of $290, $237 and $285 for the years ended December 31, 2014, 2013 and 2012, respectively, was recorded as a 
reduction to the related depreciation expenses. 

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SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

Deferred government grants also included $630 (RMB 3.9 million) being the unamortized portion of the amount that the 
Company received in 2009 for purchasing equipment for H1N1 vaccine production with a total amount of $999 (RMB 6.2 
million). The amount of $143 (RMB 0.9 million) which will be recognized in 2015 was included in the current portion and 
the amount of $487 (RMB 3.0 million) which will be recognized after 2015 was included in the non-current portion of 
deferred government grants. The Company has fulfilled the conditions attached to the government grant. Government grants 
relating to the production facility of $143, $119 and $82 for the years ended December 31, 2014, 2013 and 2012, 
respectively, were recorded as a reduction to the related depreciation expenses. 

Deferred government grants also included $81 (RMB 0.5 million) being the unamortized portion of the amount that the 
Company received in 2013 for purchasing equipment for H5N1 vaccine production. The amount of $16 (RMB 0.1 million) 
which will be amortized in 2015 was included in the current portion and the amount of $65 (RMB 0.4 million) which will be 
amortized after 2015 was included in the non-current portion of deferred government grants. Government grant relating to 
this production facility of $16 for the year ended December 31, 2014 was recorded as a reduction to the related depreciation 
expenses. 

The Company received a government grant in the amount of $3,223 (RMB 20 million) for equipment purchase and 
construction of the EV71 vaccine production facility. As of December 31, 2014, the Company has not fulfilled the conditions 
attached to the government grant. As the Company does not expect to fulfill the conditions within one year, the grant is 
recorded as a non-current government grant. 

Deferred government grants also include $1,525 (RMB 9.5 million) that the Company received for research and 
development, as well as purchasing equipment for EV71 vaccine production. As of December 31, 2014, the Company has not 
fulfilled the conditions attached to the government grant. As the Company does not expect to fulfill the conditions within one 
year, the grant is recorded as a non-current government grant. 

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SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

Deferred government grants also include $723 (RMB 4.5 million) in relation to four other research projects. As of December 
31, 2014, the conditions attached to three government grants totalling $642 (RMB 4 million) has not been fulfilled by the 
Company. As the Company does not expect to fulfill the conditions within one year, these grants are recorded as non-current 
deferred government grants (December 31, 2013 - $578 (RMB 3.6 million)). The Company expects to fulfil the conditions 
attached to one of the four grants and recorded $81 (RMB 0.5 million) as a current government grant (December 31, 2013 - 
$83 (RMB 0.5 million) in non-current government grant). 

The Company received a loan of $1,934 (RMB 12million) bearing an interest rate of 0.36% per year from Beijing 
Zhongguancun Development Group. The fair value differential (between the face value and the fair value using the effective 
interest rate method at the Company’s borrowing rate of 6.9%) is recorded as non-current deferred government grant of $376 
(December 31, 2013 - $383) (see note 9). 

15.                               Commitments and Contingencies 

(a)                                 Operating Lease Commitments 

The Company leases production plant and laboratory under operating leases from its related parties (note 10 (b)). Rental 
expense amounted to $869 for the year ended December 31, 2014 (2013 - $847, 2012 - $823). 

Minimum future rental payments under operating leases to related parties for the years ending December 31 are as follows: 

2015 
2016 
2017 
2018 
2019 
Thereafter 
Total minimum future payments 

(b)                                 Other Commitments 

  $

$

869 
869 
869 
869 
869
9,679 
14,024

In addition to commitments disclosed in note 22, commitments related to R&D expenditures are $960 as at December 31, 
2014. 

Commitments related to capital expenditures for the Company’s pneumococcal polysaccharide and varicella vaccine 
production facilities are approximately $5,528 as at December 31, 2014. 

16.                           Common Stock 

Share Capital 

Each share of common stock is entitled to one vote per share and is entitled to dividends when declared by the Company’s 
board of directors. As of December 31, 2014 and 2013, there were 55,809,661 and 55,570,361 shares of common stock 
outstanding, respectively. As of December 31, 2014 and 2013, there was no preferred stock issued and outstanding. 

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SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

In 2012, the Company issued 317,600 shares of common stock on the exercise of employee stock options with exercise price 
of $1.60 per share, for total proceeds of $508. The Company received further cash proceeds of $8 on the exercise of stock 
option for which the shares were issued subsequent to December 31, 2012. 

In 2013, the Company issued 360,600 shares of common stock on the exercise of employee stock options with exercise price 
of $1.60 per share and 118,200 shares of common stock on the exercise of employee stock options with exercise price of 
$2.37 per share, for total proceeds of $848. The Company received further cash proceeds of $18 on the exercise of stock 
option for which the shares were issued subsequent to December 31, 2013. 

In 2014, the Company issued 48,000 shares of common stock on the exercise of employee stock options with exercise price 
of $1.60 per share and 191,300 shares of common stock on the exercise of employee stock options with exercise price of 
$2.37 per share, for total proceeds of $512. The Company received further cash proceeds of $51 on the exercise of stock 
option for which the shares were issued subsequent to December 31, 2014. 

17.                               Stock Options 

(a)                                 Stock Option Plan 

The board of directors approved a stock option plan (the “2003 Plan”) effective on November 1, 2003, pursuant to which 
directors, officers, employees and consultants of the Company are eligible to receive grants of options for the Company’s 
common stock. The 2003 Plan expires on November 1, 2023. Up to 10% of the Company’s then outstanding common stocks 
were reserved for issuance under the 2003 Plan. As of December 31, 2014, 42,800 shares of common stock under the 2003 
Plan remain available for issuance. Each stock option entitles its holder to purchase one share of common stock of the 
Company. Options may be granted for a term not exceeding 10 years from the date of grant. The 2003 Plan is administered 
by the board of directors. 

In December 2011, the Company granted 767,000 options to employees with an exercise price of $2.37, being the quoted 
market price of the Company’s shares at the time of grant. 10% of the options vest every three months from December 26, 
2012 to March 26, 2015 and expire on December 25, 2017. 

On May 1, 2012, the Company granted 50,000 options to an officer with an exercise price of $2.05, being the quoted market 
price of the Company’s shares at the time of grant. The options were granted on May 1, 2012 and expire on April 30, 2017. 
10% of the options will vest on May 1, 2013 (the “Initial Vesting Date”) and the remaining options will vest at 10% in equal 
quarterly proportions over a period of 27 months from the Initial Vesting Date. The officer has left the Company at the end of 
May 2013 and forfeited the unvested options in June 2013. 

On August 22, 2012, the board of directors approved a new stock option plan (the “2012 Plan”), which allowed the Company 
to issue up to 4,000,000 options for common shares of the Company to directors, officers, employees and consultants of the 
Company. Each stock option entitles its holder to purchase one share of common stock of the Company.  Options may be 
granted for a term not exceeding 10 years from the date of grant. The 2012 Plan is administered by the board of directors. No 
stock options were granted under the 2012 Plan as of December 31, 2014. The 2012 Plan will expire on August 22, 2022. 
Any awards that are outstanding on August 22, 2022 will remain in force according to the terms of the 2012 Plan and the 
applicable award agreement. 

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SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

(b)                                 Valuation Assumptions 

The following assumptions were used in determining stock based compensation costs under the Black-Scholes option-pricing 
model: 

Expected volatility 
Risk-free interest rate 
Expected life (years) 
Dividend yield 
Estimated forfeiture rate 

2014

2013 

2012

— 
— 
— 
— 
—

— 
— 
— 
— 
—

82.89%
0.39%
2.95 
Nil 
10%

The weighted average fair value of options granted for the year ended December 31, 2014 was $nil per option (2013 - $nil, 
2012 - $1.08). 

Expected volatility is estimated based on the Company’s historical stock prices. Computation of expected life was estimated 
after considering the contractual terms of the stock-based award, vesting schedules and expectations of future employee 
behaviour. The risk-free interest rates for the period within the contractual life of the awards are based on the U.S. Treasury 
yield in effect at the time of grant. 

(c)                                  Stock-based Payment Award Activity 

A summary of the Company’s stock options activity for the 2003 Plan is presented below: 

Outstanding as at December 31, 2013 
Granted 
Exercised 
Forfeited 
Outstanding as at December 31, 2014 

Vested and expected to vest at December 31, 2014
Exercisable as at December 31, 2014 

F-35 

Number
of Options

904,400
— 
(239,300)
(27,900)
637,200

$

$

596,240  $
560,550  $

Weighted  
Average 
Exercise Price 
($/option) 

2.14   $ 

2.22  
2.37  
2.09

   $ 

2.08   $ 
2.06   $ 

Aggregate Intrinsic
Value
($)

3,603,712

— 
— 
1,997,644

1,880,498 
1,778,282 

  
  
  
  
  
  
  
  
  
  
 
  
 
 
 
 
  
 
 
 
  
 
  
 
 
  
 
  
 
 
  
 
 
   
  
 
 
  
   
 
 
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SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

As at December 31,2014 

Exercise 
Prices 
($/option) 

$
$

1.60  
2.37  

Number of  
Options 
Outstanding 

   Remaining Average
Contractual
Life (years)

227,600  
409,600  
637,200

0.05  $
2.99  $
1.94

Average
Exercise
Price
($/option)

1.60 
2.37 

Number
of
Options
Exercisable

Remaining 
Contractual
Life 
(years) 

Average Exercise
Price
($/option)

227,600  
332,900  
560,500

0.05  $
2.99  $
$
1.80

1.60 
2.37 
2.06

Stock-based compensation expense, included in selling, general and administrative expenses, is charged to operations over 
the vesting period of the options using the straight-line amortization method. The share-based compensation expense was 
$287 in 2014 (2013 - $281, 2012 - $347). As of December 31, 2014, there was $175 of unrecognized compensation cost 
related to non-vested stock options and granted under the 2003 Plan and this cost will be recognized over a period of 3 
months. 

The aggregate intrinsic value of the Company’s stock options is calculated as the difference between the exercise price of the 
options and the quoted price of the common shares that were in the money. The aggregate intrinsic value of the Company’s 
stock options exercised under the 2003 Plan was $840 for year ended December 31, 2014, determined as of the date of option 
exercise (2013 - $1,344, 2012 - $127). 

The estimated fair value of stock options vested during the year ended December 31, 2014 was $414 (2013 - $420, 2012 - 
$631). 

18.                               Statutory surplus reserves 

Pursuant to Chinese company law applicable to foreign investment companies, the Company’s PRC subsidiaries are required 
to maintain statutory surplus reserves. The statutory surplus reserves are to be appropriated from net income after taxes, and 
should be at least 10% of the after tax net income determined in accordance with accounting principles and relevant financial 
regulations applicable to PRC enterprises (“PRC GAAP”). The Company has an option of not appropriating the statutory 
surplus reserve after the statutory surplus reserve is equal to 50% of the subsidiary’s registered capital. Statutory surplus 
reserves are recorded as a component of shareholders’ equity. The statutory surplus reserve as at December 31, 2014 is 
$12,627 (2013 - $11,808). 

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SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

For the year ended December 31, 2014, Sinovac Beijing appropriated 10 % ( 2013 - 0%, 2012 - 0%) of its after-tax profit, 
determined under PRC GAAP, to the statutory surplus reserves.  For the year ended December 31, 2014, statutory surplus 
reserves appropriated are $819 (RMB 5 million) (2013 - $nil, 2012- $nil). 

Pursuant to the same Chinese company law, the Company’s subsidiaries, Sinovac Beijing, Tangshan Yian, Sinovac R&D and 
Sinovac Dalian can transfer, at the discretion of their respective boards of directors, a certain amount of their annual net 
income after taxes as determined under PRC GAAP to a staff welfare and bonus fund which shall be utilized for collective 
staff benefits. For the year ended December 31, 2014, the amount is $nil for contribution to such fund (2013 - $nil, 2012- 
$nil). The amounts appropriated to the staff welfare and bonus fund were charged against income and the related provisions 
were reflected as accrued liabilities in the consolidated balance sheets. 

Tangshan Yian recorded a net loss for each of the three years in the period ended December 31, 2014, so no appropriation to 
the statutory surplus reserves and staff welfare and bonus fund was made. 

Sinovac R&D and Sinovac Dalian have not made any profit since inception. No appropriation to the statutory surplus 
reserves and staff welfare and bonus was made. 

Dividends declared by the Company’s PRC subsidiaries are based on the distributable profits as reported in their statutory 
financial statements reported in accordance with PRC GAAP, which differ from the results of operations reflected in the 
consolidated financial statements prepared in accordance with US GAAP. The Company’s ability to pay dividends is 
primarily dependent on the Company receiving distributions of funds from its PRC subsidiaries. Dividends declared in 2014 
was $nil to the non-controlling shareholder of Sinovac Beijing (2013 - $nil, 2012 - $802 (RMB5 million)). As of December 
31, 2014, the Company has $nil dividend payable (December 31, 2013 - $nil). 

Under PRC laws and regulations, statutory surplus reserves are restricted to set-off against losses, expansion of production 
and operation and increasing registered capital of the respective company, and are not distributable other than upon 
liquidation. Staff welfare and bonus funds are restricted to expenditures for the collective welfare of employees. The reserves 
are not allowed to be transferred to the Company in terms of cash dividends, loans or advances, nor are they allowed for 
distribution except under liquidation. Amounts restricted include the PRC subsidiaries’ paid-in capital and statutory surplus 
reserves of the Company’s PRC subsidiaries totalling $80,091(RMB 497 million) as of December 31, 2014 (December 31, 
2013, $81,249 (RMB492 million)). Further, 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, 2014, amount restricted include the net assets of the Company’s PRC subsidiaries, which amounted to $61,345 
(December 31, 2013 - $34,860). 

19.                               Non-controlling Interests 

Non-controlling interests represent the interest of non-controlling shareholders in Sinovac Beijing and Sinovac Dalian based 
on their proportionate interests in the equity of that company adjusted for its proportionate share of income or losses from 
operations. On October 1, 2011, the Company increased its ownership in Sinovac Beijing by an additional 1.53% by 
contributing the dividends declared to Sinovac Hong Kong but unpaid in the amount of $2,998 (RMB 18.6 million). An 
adjustment of $258 (RMB 1.6 million) resulted from the difference between the adjustment to the carrying amount of the 
non-controlling interest in Sinovac Beijing and the consideration that was charged to additional paid-in capital.The non-
controlling interest in Sinovac Beijing was 28.44% prior to October 1, 2011 and was 26.91% after October 1, 2011. On April 
8, 2013, SinoBioway transferred its 26.91% equity interests in Sinovac Beijing to Xiamen Bioway Biotech Co., Ltd. 
(“Xiamen Bioway”), a company owned by SinoBioway. There was no change to the composition of the board of directors of 
Sinovac Beijing after the completion of the transaction. The non-controlling interest in Sinovac Dalian was 45% as of 
December 31, 2014 and December 31, 2013. 

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SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

20.                           Earnings (loss) per Share 

Earnings (loss) per share were calculated as follows: 

Net income (loss) attributable to shareholders

2014

For the year ended December 31
2013 

2012

$

(851) $

7,442

$

(14,853)

Basic weighted average number of common shares outstanding 

55,681,076 

55,301,276 

54,926,440 

Effect of dilutive securities:  
Stock options 
Diluted weighted average number of common shares outstanding
Basic earnings (loss) per share 
Diluted earnings (loss) per share 

— 
55,681,076

501,062 
55,802,338

  $
$

(0.02) $
(0.02) $

0.13  $
0.13 $

— 
54,926,440
(0.27)
(0.27)

Anti-dilutive options were not included in the diluted EPS calculation for the years ended December 31, 2014 and December 
31, 2012. 

21.                               Segmented Information 

The Company operates exclusively in the biotechnology sector. The Company’s business is considered as operating in one 
segment. The Company’s Chief Executive Officer is the chief operating decision maker and reviews the consolidated results 
of operations when making decisions about resources allocation and assessing performance of the Company as a whole. All 
revenues are generated from the subsidiaries located in China. Total long-lived assets of $79,174 including prepaid land lease 
payments, property, plant and equipment and licenses are all located in mainland China (December 31, 2013 - $79,683). The 
Company’s total assets by geographic location are as follows: 

Assets 
Mainland China 
Hong Kong 
Total  

  December 31, 2014   December 31, 2013  

  $ 

$ 

207,645  $
30,885 
238,530

$

199,703 
40,990 
240,693

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SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

The Company’s revenues by product are as follows: 

Sales 
Inactivated hepatitis vaccines 
Influenza vaccines 
H5N1 
Mumps 
Rabend 
Total  

For the year ended December 31, 
2013 

2012

2014

$

$

48,450 $
12,131 
201
2,150 
169 
63,101

$

47,202   $
12,156  
10,736  
1,680  
750  
72,524

   $

39,951
9,191 
—
24 
50 
49,216

The H5N1 vaccines were all sold to the Chinese government. The Company’s sales of H5N1 vaccines are dependent on 
government stockpiling purchases. Loss of such government stockpiling purchases would have a material adverse effect on 
the Company’s total sales. 

The Company’s revenues are attributed to geographic locations as follows: 

Sales 
Mainland China 
Foreign countries 
Total  

For the year ended December 31, 
2013 

2012

2014

$

$

62,124 $
977 
63,101

$

71,397   $
1,127  
72,524

   $

48,199
1,017 
49,216

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SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

22.          Collaboration Agreements 

(a)                                    On March 12, 2009, the Company entered into a technology transfer agreement (with an amendment agreement 
entered on December 14, 2011) with Tianjin CanSino Biotechnology Inc. (“Tianjin Cansino”). According to the 
agreement, Tianjing Cansino will transfer the technology related to pneumococcal vaccine to the Company and 
jointly develop the technology with the Company. The collaboration term under the technology transfer agreement is 
from March 12, 2009 to eight years after the first sale of the vaccine developed under the technology transfer 
agreement in the Chinese market. 

Under the terms of the technology transfer agreement, the Company will make milestone payments of up to $3,000 
and royalty payments ranging from 6% to 10% of net sales in China. Both parties will work together to develop 
international markets for the products. On November 17, 2009 and December 14, 2011, two amendment agreements 
were signed for the payment of $300 for the transfer of an additional six serotypes and related technology. As of 
December 31, 2014, the Company made total milestone payments of $1,200 ($1,000 under the March 12, 2009 
agreement and $200 under the December 14, 2011 amendment). The remaining milestone payment will be paid 
when the Company achieves each specific milestone, which includes obtaining clinical trials approval, completing 
clinical trials and achievement of desired results, and achievement of commercial sales. The Company recorded $nil 
R&D expenses for the year ended December 31, 2014 (2013 - $nil, 2012 - $200). 

On January 29, 2015, the Company entered into a third amendment to the technology transfer agreement dated 
March 12, 2009 and the two amendment agreements dated November 17, 2009 and December 24, 2011. By entering 
into this third amendment, the technology transfer agreement was revised to be a licensing agreement. The 
remaining milestone and royalty payments under the technology transfer agreement have been reduced. Both the 
Company and Tianjin Cansino are free to develop pneumococcal vaccines or to collaborate with one other company 
for the same purpose. The Company made a payment of $300 in March 2015. 

(b)                                    On August 18, 2009, the Company entered into a patent license agreement with the National Institutes of Health 

(“NIH”), an agency of the United States Public Health Services within the Department of Health and Human 
Services. NIH has granted the Company a non-exclusive license to make and use certain of its products. NIH has 
also granted the Company the right to use certain associated information for development of its licensed products. 
The collaboration term under the patent license agreement is from August 18, 2009 to the later of (a) the expiration 
of all royalty obligations under the licensed rights where such rights exist and (b) eight years after the first 
commercial sale by the Company, unless the agreement is terminated earlier per the provisions included therein. 

The Company has agreed to pay NIH a license issue royalty of $80 upon execution of the agreement and a non-
refundable minimum annual royalty of $8, and royalty payments on net sales ranging from 1.5% to 4% depending 
on the sales territory and the customers. The Company has also agreed to pay NIH benchmark royalties of $330 
upon achieving each benchmark as specified in the patent license agreement, including completion of clinical trials, 
obtaining regulatory approval for marketing, and achievement of commercial sales.The Company recorded a license 
issue royalty of $8 for the year ended December 31, 2014 as R&D expenses (2013 - $21, 2012 -  $8). 

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SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

(c)                                     On August 15, 2011, the Company licensed from Medimmune, LLC, a US based pharmaceutical company, certain 

non-exclusive rights to use patented reverse genetics technology pertaining toH5N1 influenza virus strain production 
for vaccines. The Company has agreed to pay an upfront license fee and milestone payments of up to an aggregate of 
$9.9 million based upon achievement of cumulative net sales of licensed products in China (including Hong Kong 
and Macau), as well as royalty payments in single digit of net sales of the licensed products in China (including 
Hong Kong and Macau). License fee and royalties of $3,400 accrued at the end of 2011 were paid in 2012. In 2013, 
the Company obtained a new stockpile order of 3 million doses H5N1 vaccines from the Chinese government. For 
the year ended December 31, 2013, royalties of $1,036 was capitalized as inventory costs and included in accounts 
payable and accrued liabilities, which was paid in May 2014. No royalties were incurred for the year ended 
December 31,2014. 

On August 15, 2012, the Company entered into amendment agreements with Medimmune to revise the termination 
date of the license to December 29, 2015 as a result of amendment of the main license agreement to end on 
December 29, 2015. The other three sublicense agreements have been revised to end on April 5, 2020, July 14, 
2020, and May 23, 2021, respectively. 

(d)                                    On April 3, 2014, the Company entered into a non-exclusive license agreement (the “Agreement”) with The Institute 

for Translational Vaccinology (“INTRAVACC”), a governmental institute working under the Dutch Ministry of 
Public Health, Welfare and Sports, to develop and commercialize the Sabin Inactivated Polio Vaccine (“sIPV”) for 
distribution in China and other countries. The Company expects to develop and commercialize the vaccine in China, 
as well as seeking regulatory approval in other countries. The agreement has a term of 50 years. 

The Company has agreed to pay INTRAVACC up to net of PRC tax $2,406 (€1.5 million), including an entrance fee 
and milestone payments upon achieving specific milestones. The Company has also agreed to pay royalty payments 
in single digit on net sales generated worldwide from the product or products developed under the Agreement. The 
Company recorded an entrance fee of $665 (€0.5 million) for the year ended Decem ber 31, 2014 as research and 
development expense. The Company also recorded $125 (€94) for payment made to INTRAVACC for use of sIPV 
viral seeds in research and development expense, for the year ended December 31, 2014. 

23.                               Subsequent Events 

In February 2015, Sinovac Beijing repaid a loan in an aggregate principal amount of $13,861 (RMB 86 million) to 
China Construction Bank. 

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SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

In March 2015, Sinovac Beijing repaid a one year term loan in an aggregate principal amount of $4,835 (RMB 30 
million) to China Merchants Bank. 

In March 2015, Sinovac Dalian repaid a loan in an aggregate principal amount of $806 (RMB 5 million) to Bank of 
China. 

In February 2015, the Beijing Municipal Office of the State Administration of Taxation (“SAT”) commenced a tax 
audit of Sinovac Beijing for the 2013 tax year, the results of which are pending. The tax exposure has been disclosed 
in note 12. 

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SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

24. Condensed Financial Information of the Parent Company 

Balance Sheets 

ASSETS 

Current assets 
Cash and cash equivalents 
Prepaid expenses and other receivables 
Amount due from subsidiaries 
Dividend receivables 

Total current assets 

Investment in subsidiaries 

Total assets 

LIABILITIES AND EQUITY 

Current liabilities 
Accrued expenses and other payables 
Amount due to subsidiaries 

Total current liabilities 

Total liabilities 

EQUITY 
Preferred stock 
Authorized 50,000,000 shares at par value of $0.001 each Issued and outstanding: nil
Common stock 
Authorized: 100,000,000 shares at par value of $0.001 each Issued and outstanding: 55,809,661 

(2013—55,570,361) 
Additional paid-in capital 
Accumulated other comprehensive income 
Accumulated deficit 

Total shareholders’ equity 

Total liabilities and equity 

F-43 

   December 31, 
2014 

December 31,
2013

$ 

$ 

$ 

$

997 
9 
69,824 
21,280 

92,110 

38,616

1,400 
123 
68,520 
21,280 

91,323 

40,044

130,726

$

131,367

$

584 
3,578 

4,162 

4,162

—

56

920 
1,763 

2,683 

2,683

—

56

108,243 
12,022 
6,243 

107,393 
14,141 
7,094 

126,564

128,684

$ 

130,726

$

131,367

 
  
  
  
  
  
 
  
 
 
  
  
 
 
  
 
  
  
 
 
 
 
  
 
  
  
 
 
 
  
  
 
  
  
 
 
  
 
  
  
 
  
  
 
  
  
 
  
  
 
 
 
  
  
Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

Operation expenses 

Statements of Comprehensive Income (Loss) 

2014

For the year ended December 31
2013 

2012

General and administrative expenses  

$

2,466 

$

2,710 

$

Total operating expenses 

Loss from operations 

Interest income 

Equity income (losses) of subsidiaries, net of tax 

Net income (loss) 

Other comprehensive income (loss), net of tax of nil 
Foreign currency translation adjustments 

2,466 

(2,466)

759

856 

(851)

2,710 

(2,710)

755

9,397 

7,442

3,170 

3,170 

(3,170)

879

(12,562)

(14,853)

(2,119)

2,370 

1,793 

Total comprehensive income (loss) 

$

(2,970) $

9,812

$

(13,060)

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Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

Statements of Cash Flows 

Cash flows provided by (used in) operating activities
Net income (loss) 
Adjustments to reconcile net income (loss) to net cash provided by (used in) 

operating activities: 

- Stock-based compensation 
- Equity in earnings (loss) of subsidiaries 
Changes in: 
- Amount due from subsidiaries 
- Prepaid expenses and other receivables 
- Dividend receivables 
- Amount due to subsidiaries 
- Accrued expenses and other payables 

Net cash provided by (used in) operating activities 

Cash flows provided by financing activities 
- Proceeds from issuance of common stock, net of share issuance costs
- Proceeds from shares subscribed  

Net cash provided by financing activities 

Cash flows provided by (used in) investing activities
-Investment in subsidiaries 

Net cash provided by (used in) investing activities 

Decrease in cash and cash equivalents 

Cash and cash equivalents, beginning of year 

2014

For the year ended December 31
2013 

2012

$

(851) $

7,442

$

(14,853)

287 
(856)

(1,304)
114
— 
1,815
(336)

(1,131)

512 
51

563 

165 

165

(403)

1,400

281 
(9,397)

2,505 
59
1,043 
1,130
(776)

2,287 

848 
18

866 

(4,042)

(4,042)

(889)

2,289

347 
12,562 

(1,283)
25
(13,782)
(1,792)
269 

(18,507)

508 
8

516 

16,588 

16,588

(1,403)

3,692

2,289

Cash and cash equivalents, end of year 

$

997

$

1,400

$

(a) Basis of presentation 

The condensed financial information has been prepared using the same accounting policies as set out in the accompanying 
consolidated financial statements except that the Company used the equity method to account for investment in its subsidiaries. 

The Company records its investment in its subsidiaries under the equity method of accounting. Such investment is presented on the 
balance sheets as “Investment in subsidiaries” and share of their income (loss) as “Equity income (losses) of subsidiaries” in the 
statements of comprehensive income (loss). 

Each of the Company’s PRC subsidiaries has restrictions on its ability to pay dividends to the Company under PRC laws and 
regulations (Note 18). The subsidiaries did not pay any dividends to the Company for the years presented. 

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Table of Contents 

SINOVAC BIOTECH LTD. 
Notes to Consolidated Financial Statements 
(Expressed in thousands of U.S. dollars, unless otherwise stated) 

Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. GAAP have 
been condensed or omitted by reference to the consolidated financial statements. 

(b) Commitments 

The Company does not have any significant commitments or long-term obligations as of any of the periods presented, except for those 
disclosed in the consolidated financial statements (notes 15 and 22). 

F-46