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Amicus Therapeutics

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FY2018 Annual Report · Amicus Therapeutics
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annual report 2018

T O   O U R   S H A R E H O L D E R S :

If you had a rare disease or you were the parent of a child with a rare disease, 
what decisions would you make? Which technologies would you advance? 
With which collaborators would you partner? Who would you hire? Where 
would you deploy your time, energy and capital? These are the questions at 
Amicus that we constantly ask of each other and of ourselves. 

This  is  our  unique  Mission  Driven  Management  that 
drives  the  business  strategy  of  Amicus  as  we  seek 
to  advance  our  core  mission  “to  develop  the  highest 
quality therapies for persons living with rare metabolic 
disorders” - and to deliver them as quickly as possible. 

Think  like  you  or  your  family  needs  a  life  saving 
medicine.  Move  with  a  “measured  haste”  we  like  to 
say around here. And be bold in your ideas and in your 
actions-  fortune  favors  the  bold.  When  we  set  out 
on  this  mission  we  never  intended  to  invest  in  small 
ideas  or  incremental  improvements  for  patients.  We 
wanted  big  ideas  and  to  develop  medicines  with  the 
potential  to  fundamentally  transform  lives.  We  have 
done that with Galafold® (migalastat) in Fabry disease. 
We are doing it with AT-GAA in Pompe disease. And for 
the  first  time  ever,  we  are  finally  working  to  advance 
gene therapy technologies and programs that now may 
offer the potential for cures. These are the miracles of 
medicine.  This  is  what  has  the  potential  to  alleviate 
untold amounts of human suffering. This is our mission. 
Our passion. Our purpose for Amicus. 

The many accomplishments of the past year for Amicus 
reflect the successful execution of this Mission Driven 
Management and brings us closer toward our vision to 
create  one  of  the  world’s  greatest  and  most  valuable 
biotechnology  companies  in  rare  diseases  -  one  that 
will see more than 5,000 people treated with an Amicus 
medicine and generate over $1 billion in global revenue 
by the end of 2023. 

A Year of Execution and Transformation: 
Building a Great and Enduring Company

Over the course of 2018, Amicus continued the journey 
of becoming a leading global rare disease biotechnology 
company. We achieved all our key strategic priorities for 
2018  and,  in  many  cases,  exceeded  the  goals  that  we 
laid out at the start of the year:

•  Revenue:  with  more  than  650  patients  across  the 
world  treated  with  Galafold®  at  year-end,  and 
reimbursement  secured  in  24  countries,  we  more 
than  doubled  full-year  revenue  in  2018  to  $91.2 
million.

•  Global regulatory approvals:  New  drug  applications 
for  Galafold® were  approved  in Japan  and the  U.S., 
the  two  largest  Fabry  markets  in  the  world,  which 
are expected to contribute to our growth in 2019 and 

beyond. At year-end, we had a double-digit number 
of patients receiving Galafold® in Japan, and the early 
U.S.  launch  exceeded  our  expectations,  resulting  in 
100 patients on Galafold®. 

•  Pompe  clinical  program  milestones:  Our  novel, 
highly  differentiated  Pompe  treatment  regimen, 
AT-GAA,  continued  to  show  persistent  and  durable 
improvements  in  functional  outcomes  following  up 
to 18 months of treatment with AT-GAA. Participants 
with Pompe disease in our Phase 1/2 study who were 
able  to  walk,  were  able  to  walk  farther,  including 
people who  had  previously  been treated  and those 
who  were  new  to  treatment.  Wheelchair-bound 
participants in this study saw improvements in their 
ability to move their arms and shoulders. At the end 
of the year, we dosed the first person in our pivotal 
Phase 3 study (PROPEL); we are targeting enrollment 
of approximately 100 Pompe patients by the end of 
2019. Our strategy is to continue to advance AT-GAA 
as quickly as possible to become potentially the next 
standard of care for Pompe disease. 

•  Pipeline  transformation  into  gene  therapy:    At  the 
end of last year, we transformed our pipeline through 
an  asset  acquisition  from  Nationwide  Children’s 
Hospital of 10 gene therapy programs in the neurologic 
Lysosomal  Disorders,  including  two  clinical  stage 
programs in Batten disease. These ten programs have 
the potential to cure thousands of children worldwide 
and to  create  a  remarkably valuable  and  important 
piece  of  our  business-  one  with  the  potential  to 
generate  up to  $1  billion  annually. We  also  entered 
into an academic collaboration with the University of 
Pennsylvania to discover and develop gene therapies 
in  Fabry  disease,  Pompe  disease,  CDKL5  deficiency 
disorder  (CDD)  and  one  additional  undisclosed  rare 
metabolic disorder. We now have a leading portfolio 
of 14 programs utilizing state of the art gene therapy 
technologies in the field of Lysosomal Disorders. And 
we are partnered with some of the most experienced 
and brilliant gene therapy experts in the world.

•  Strong  balance  sheet:  Our  cash  balance  at  year-
end  was  $504.2  million.  We  continue  to  be  careful 
stewards of our balance sheet and the investments 
across our portfolio of medicines.

A Rare PROMISE: Our Fairly Priced and  
Broadly Accessible Pricing Model

At Amicus, we have a unique and responsible approach 
to drug pricing and access that has translated into the 
adoption and rapid reimbursement of our first product, 
Galafold®.  In  2005,  we  drafted  a  belief  statement  of 
our  core  values,  which  includes  the  belief  that  “our 
medicines must be fairly priced and broadly accessible.” 
With the global approvals and launch of Galafold®, we 
have introduced the Amicus PROMISE to further solidify 
our commitment to: 

1.  Price Galafold® at parity or below existing standard 
of care, which we believe reflects significant value of 
our innovative precision medicine approach. 

2.  Limit annual price increases for Galafold® to the rate 
of consumer inflation (consumer price index), which 
we anticipate doing for future products.

3.  Reinvest  a  portion  of  revenue  from  Galafold®  back 

into Fabry disease until there is a cure.

4.  Offer  patient  services  and  needs  based  financial 

support to ensure broad access.

We  intend  to  fulfill  this Amicus  PROMISE  through  our 
ongoing  Galafold®  launch  as  well  as  with  our  future 
products.  We  believe  that  Galafold®  has  the  potential 
to  become  the  leading  therapy  for  people  with  Fabry 
disease  who  have  amenable  mutations/variants  for 
many  years  to  come,  with  a  potential  addressable 
Galafold®  market  of  over  $1  billion  by  2028.  For 
people who  do  not  have  amenable  mutations, we  are 
advancing a gene therapy so that hopefully one day, the 
entire Fabry disease community may be treated with an 
Amicus medicine.

A Rare PLEDGE: Reinvesting Until  
There is a Cure 

An  exceptional  aspect  of  Amicus  is  our  commitment 
to the  rare  disease communities we  serve. We pledge 
to invest revenue generated from any approved Amicus 
therapy  back  into  research for the  same  disease  until 
there is a cure. 

With  this  in  mind,  we  realized  we  have  developed  a 
unique  expertise  in  protein  engineering  through  our 
scientific work in Fabry and Pompe that could be applied 
to future gene therapy research and development. With 
a long-term view of our business and our commitment 
to people living with these rare diseases, it became a 
corporate imperative to establish a strong presence in 
gene therapy.

With  more  than  7,000  rare  diseases,  we  zeroed  in  on 
the  rare  metabolic  disorders  that  we  know  best  - 
diseases where Amicus can bring resources, experience, 
relationships and technologies. Our teams scoured the 
globe looking for the best technologies in academia and 
in private and public companies.

Through  that  work  and  our  respective  gene  therapy 
partnerships  with  the  University  of  Pennsylvania  and 
Nationwide  Children’s  Hospital, we  currently  have  one 

of  the  most  robust  rare  disease  portfolios  focused 
on  LSDs  that  allows  us  to  serve  new  rare  disease 
communities while furthering our pledge to reinvest in 
Fabry and Pompe until there is a cure. 

A Rare COMPANY: Our Passion for  
Making a Difference Unites Us

During  this  time  of  unprecedented  growth  at  Amicus, 
we are fully committed to investing in our people. We 
grew by more than 50% last year as 183 new employees 
joined our global team in over 20 countries. 

The success we experienced here at Amicus in 2018 has 
laid the  groundwork for  building  a  great  and  enduring 
company. The entire Amicus team is eager and prepared 
to make a positive change in the lives of the patients, 
families and communities we proudly serve. 

For  2019,  and  onward  toward  the  path  to  our  2023 
vision, we are well positioned to create significant value 
for  people  living  with  rare  diseases  and  shareholders 
alike. Together, across all functions of Amicus, we push 
ideas  further,  think  very  differently,  drive  innovation 
and continue to advance to meet the needs of the rare 
disease communities that we serve. This mission is very 
personal  for  me,  for  everyone  at  Amicus,  and  for  the 
many external partners with whom we work. It’s what 
drives us each day. Look at the faces in this report and 
you’ll know why we do what we do.

JOHN F. CROWLEY

Chairman of the Board,  
Chief Executive Officer

A R    RE COMPANY 

AMICUS THERAPEUTICS IS A GLOBAL, 
PATIENT-DEDICATED BIOTECHNOLOGY 
COMPANY focused on discovering, 
developing and delivering high-quality 
medicines for people living with rare 
metabolic diseases.

WE BELIEVE in our future to build 
long-term value for our stakeholders

WE BELIEVE our medicines must 
be fairly priced and broadly accessible

As of December 31, 2018

$91.2M 

NET PRODUCT 
SALES

GLOBAL
FOOTPRINT
IN 27 COUNTRIES

$504M 

CASH ON HAND

500+ 

DEDICATED 
EMPLOYEES

PIPELINE 

OF 15 PROGRAMS 
FOR RARE 
METABOLIC 
DISEASES

FIRST ORAL  
PRECISION 
MEDICINE FOR 
FABRY DISEASE:
GALAFOLD

®

A Uniquely Amicus Initiative

Strengthening Corporate  
Culture as We Grow:
To Impact as Many  People Living  
with  Rare Diseases  as Possible

Recognize and build upon the previous  
achievements and efforts of all Amicus employees 

Drive, define, and integrate patient centricity into  
the long-term fabric and culture of Amicus

Provide additional structure to allow all Amicus employees to go above 
and beyond in supporting the rare disease community

Healing Beyond Disease is inspired by and adaptive to rare disease 
communities and reflects the existing generosity of our corporate culture. 

time
Evolve 
volunteerism 
companywide to 
further our 
commitment to 
the rare disease 
patient community 
with information 
and incentives for 
employees

talent
Leverage the 
expertise within 
Amicus to 
empower 
organizations and 
individuals 
impacted by rare 
diseases to 
accomplish their 
mission

treasure
Advance 
philanthropy for 
rare diseases by 
providing a broader 
opportunity for 
financial support 
and contributions

pledge
Designate a portion 
from any Amicus 
marketed drug 
sales to reinvest in 
that specific 
disease until that 
disease has a cure

bridges
Build rare bridges 
across the globe to 
provide access to 
our medicines in 
the near and long 
term in the 
developed and 
developing world

timetalenttreasurepledgebridgesThe Extraordinary Launch 
Success of Galafold®
650+ patients and ~$91M global sales in FY18
FY19 guidance of $160M-$180M
$500M potential sales by 2023 
$1B+ addressable market opportunity by 2028

AT-GAA in Pompe: Potential  
to Become Standard of Care
Continued strength of clinical data
Multiple data expected throughout 2019
100+ Pompe patients on AT-GAA by YE19
$1B-$2B+ market opportunity

Leading Gene Therapy Portfolio 
in Rare Metabolic Diseases
Pipeline of 14 gene therapies
Two clinical-stage programs
Amicus as “consolidator” of best minds  
and technologies

$1B+ peak recurring market opportunity

Advancing one of the most robust rare 
disease portfolios in biotechnology.

DISCOVERY

PRECLINICAL

PHASE 1/2

PHASE 3

REGULATORY

COMMERCIAL

FABRY FRANCHISE

Galafold® (Migalastat) monotherapy 

Fabry Gene Therapy

POMPE FRANCHISE

AT-GAA (Novel ERT + Chaperone)

Pompe Gene Therapy

ADDITIONAL GENE THERAPY PROGRAMS

CLN6 Batten Disease

CLN3 Batten Disease

CLN8 Batten Disease

CLN1 Batten Disease

Niemann-Pick Type C (NPC)

Wolman Disease

Tay-Sachs Disease

Multiple Other CNS LSDs

CDKL5 Deficiency Disorder GTx / ERT

Other

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

FORM 10-K 

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

For the fiscal year ended December 31, 2018 
OR 

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

For the transition period from 

to 

Commission File Number 001-33497 

Amicus Therapeutics, Inc. 
(Exact name of registrant as specified in its charter) 

Delaware 
(State or Other Jurisdiction of 
Incorporation or Organization) 
1 Cedar Brook Drive, Cranbury, NJ 
(Address of Principal Executive Offices) 

71-0869350 
(IRS Employer 
Identification Number) 

08512 
(Zip Code) 

(609) 662-2000 

(Registrant's Telephone Number, Including Area Code) 

Securities registered pursuant to Section 12(b) of the Act: 

Title of each class 

Name of each exchange on which registered 

Common Stock, par value $0.01 per share 

The NASDAQ Stock Market LLC 

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

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

No 

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. 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 

    No 

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of 
Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such           files). 
Yes 

    No 

Indicate by check mark if disclosure of delinquent filers pursuant to  Item  405 of Regulation S-K (§22.405) is not contained herein, and will not be 
contained, to the best of the registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any 
amendment to this Form 10-K. 

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

Large accelerated filer 

Non-accelerated filer 

 Accelerated filer 

 Smaller reporting company 

Emerging growth company 

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new 

or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. 

Indicate by check mark if the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes 

 No 

The aggregate market value of the 148,893,826 shares of voting common equity held by non-affiliates of the registrant, computed by reference to the 
closing price as reported on The NASDAQ Global Market, as of the last business day of the registrant's most recently completed second fiscal quarter (June 30, 
2018) was $2,325,721,562. Shares of voting and non-voting stock held by executive officers, directors and holders of more than 10% of the outstanding stock 
have been excluded from this calculation because such persons or institutions may be deemed affiliates. This determination of affiliate status is not a conclusive 
determination for other purposes. 

As of February 15, 2019, there were 223,708,827 shares of common stock outstanding. 

DOCUMENTS INCORPORATED BY REFERENCE: Portions of the Proxy Statement for the registrant's 2019 Annual Meeting of Stockholders which 

is to be filed subsequent to the date hereof are incorporated by reference into Part III of this Annual Report on Form 10-K. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
BUSINESS

Item 1.
Item 1A. RISK FACTORS
Item 1B. UNRESOLVED STAFF COMMENTS
Item 2.

PROPERTIES

Item 3.
LEGAL PROCEEDINGS
Item 4. MINE SAFETY DISCLOSURES

PART I

PART II

Item 5. MARKET FOR THE REGISTRANT'S COMMON EQUITY, RELATED STOCKHOLDER MATTERS 

Item 6.

AND ISSUER PURCHASES OF EQUITY SECURITIES
SELECTED FINANCIAL DATA

Item 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF 

OPERATIONS

Item 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
Item 8.

FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA
CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL 
DISCLOSURE

Item 9.

Item 9A. CONTROLS AND PROCEDURES
Item 9B. OTHER INFORMATION

PART III

Item 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE
Item 11. EXECUTIVE COMPENSATION
Item 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND 

RELATED STOCKHOLDER MATTERS

Item 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE
Item 14. PRINCIPAL ACCOUNTING FEES AND SERVICES

Item 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES
SIGNATURES

PART IV

3

25

66

66

66

66

67

69

70

86

87

128
128

128

129

129

129

129

129

130

137

  We have filed applications to register certain trademarks in the United States and abroad, including AMICUS THERAPEUTICS 
and  design, AMICUS ASSIST  and  design,  CHART  and  design, AT THE  FOREFRONT  OF THERAPIES  FOR  RARE AND 
ORPHAN  DISEASES,  HEALING  BEYOND  DISEASE,  OUR  GOOD  STUFF  and  Galafold®  and  design.  FABRAZYME, 
MYOZYME, LUMIZYME, and REPLAGAL are the property of their respective owners.

SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

This  annual  report  on  Form 10-K  contains  forward-looking  statements  that  involve  risks,  uncertainties  and  assumptions. 
Forward-looking statements are all statements, other than statements of historical facts, that discuss our current expectation and 
projections relating to our strategy, future operations, future financial position, future revenues, projected costs, prospects, plans 
and objectives of management. These statements may be preceded by, followed by or include the words “aim,” “anticipate,” 
“believe,” “can,” “could,” “estimate,” “expect,” “forecast,” “intend,” “likely,” “may,” “outlook,” “plan,” “potential,” “predict,” 
“project,”  “seek,”  “should,”  “will,”  “would,”  the  negatives  or  plurals  thereof  and  other  words  and  terms  of  similar  meaning, 
although not all forward-looking statements contain these identifying words.

We have based these forward-looking statements on our current expectations and projections about future events. 

Although we believe that our assumptions made in connection with the forward-looking statements are reasonable, we cannot 
assure you that the assumptions and expectations will prove to be correct. You should understand that the following important 
factors could affect our future results and could cause those results or other outcomes to differ materially from those expressed 
or implied in our forward-looking statements:

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

the progress and results of our preclinical and clinical trials of our drug candidates;

the cost of manufacturing drug supply for our clinical and preclinical studies, including the cost of manufacturing
Pompe Enzyme Replacement Therapy (“ERT”) and gene therapies;

the scope, progress, results and costs of preclinical development, laboratory testing and clinical trials for our product
candidates including those testing the use of pharmacological chaperones co-formulated and co-administered with
ERT and for the treatment of lysosomal storage disorders and gene therapies for the treatment of rare genetic metabolic
diseases;

the future results of on-going preclinical research and subsequent clinical trials for cyclin-dependent kinase-like 5
(“CDKL5”) deficiency, including our ability to obtain regulatory approvals and commercialize CDKL5 therapies and
obtain market acceptance for such therapies;

the costs, timing and outcome of regulatory review of our product candidates;

the number and development requirements of other product candidates that we pursue;

the costs of commercialization activities, including product marketing, sales and distribution;

the emergence of competing technologies and other adverse market developments;

our ability to successfully commercialize Galafold® (“migalastat HCl”);

our ability to manufacture or supply sufficient clinical or commercial products;

our ability to obtain reimbursement for Galafold®;

our ability to satisfy post-marketing commitments or requirements for continued regulatory approval of Galafold®;

our ability to obtain market acceptance of Galafold®;

the costs of preparing, filing and prosecuting patent applications and maintaining, enforcing and defending intellectual
property-related claims;

the extent to which we acquire or invest in businesses, products and technologies;

our ability to successfully integrate our acquired products and technologies into our business, including the possibility
that the expected benefits of the transactions will not be fully realized by us or may take longer to realize than
expected;

our ability to establish collaborations and obtain milestone, royalty or other payments from any such collaborators;

our ability to adjust to changes in European and United Kingdom markets as the United Kingdom leaves the European
Union; and

fluctuations in foreign currency exchange rates; and changes in accounting standards.

-1-

 
In light of these risks and uncertainties, we may not actually achieve the plans, intentions or expectations disclosed in our 
forward-looking statements, and you should not place undue reliance on our forward-looking statements. Actual results or events 
could differ materially from the plans, intentions and expectations disclosed in the forward-looking statements we make. We have 
included important factors in the cautionary statements included in this Annual Report on Form 10-K, particularly in Part I, Item 
1A “— Risk Factors”, that we believe could cause actual results or events to differ materially from the forward-looking statements 
that we make. Those factors and the other risk factors described herein are not necessarily all of the important factors that could 
cause actual results or developments to differ materially from those expressed in any of our forward-looking statements. Other 
unknown or unpredictable factors also could harm our results. Our forward-looking statements do not reflect the potential impact 
of any future acquisitions, mergers, dispositions, joint ventures, collaborations or investments we may make. Consequently, there 
can be no assurance that actual results or developments anticipated by us will be realized or, even if substantially realized, that 
they will have the expected consequences to, or effects on, us. Given these uncertainties, investors are cautioned not to place undue 
reliance on such forward-looking statements.

You should read this Annual Report on Form 10-K and the documents that we incorporate by reference in this Annual Report 
on Form 10-K completely and with the understanding that our actual future results may be materially different from what we 
expect. These forward-looking statements speak only as of the date of this report. We undertake no obligation, and specifically 
decline any obligation, to publicly update or revise any forward-looking statements, even if experience or future developments 
make it clear that projected results expressed or implied in such statements will not be realized, except as may be required by law.

-2-

 
 
Item 1.    BUSINESS

Overview

PART I

We are a global patient-dedicated biotechnology company engaged in the discovery, development and commercialization of 
a diverse set of novel treatments for patients living with rare metabolic diseases. With one medicine for Fabry disease achieving 
global approval, a differentiated biologic for Pompe disease in late-stage clinical development and fourteen gene therapy programs 
in the pipeline, including two clinical stage gene therapies for Batten disease, we have a leading portfolio of therapies for  lysosomal 
storage disorders (“LSDs”).

The cornerstone of our portfolio is Galafold®, (also referred to as “migalastat HCl” or “migalastat”), the first and only approved 
oral precision medicine for people living with Fabry disease who have amenable genetic variants, or mutations. Galafold® is 
currently  approved  in  the  United  States  (“U.S.”),  European  Union  (“EU”)  and  Japan,  with  additional  approvals  granted  and 
applications pending in several geographies. During the third quarter of 2018, we initiated the commercial launch of Galafold® in 
the U.S. for the treatment of adult patients with a confirmed diagnosis of Fabry disease and an amenable genetic variant.

The lead biologics program of our pipeline is Amicus Therapeutics GAA (“AT-GAA”, also known as ATB200/AT2221), a 
novel,  clinical-stage,  potential  best-in-class  treatment  paradigm  for  Pompe  disease.  Our  Chaperone-Advanced  Replacement 
Therapy (“CHART®”) platform technology is leveraged to combine our novel Pompe biologic ATB200 with a pharmacological 
chaperone AT2221. 

During the second half of 2018, we expanded our portfolio to include fourteen new gene therapy programs. During the third 
quarter of 2018, we acquired worldwide development and commercial rights for ten gene therapy programs for neurologic LSDs 
developed at The Center for Gene Therapy at The Research Institute at Nationwide Children’s Hospital ("NCH") and The Ohio 
State University through the acquisition of Celenex, Inc. (“Celenex”),  a private, clinical stage gene therapy company, for cash 
consideration of $100.0 million and additional consideration payable upon the achievement of certain development and approval 
milestones. The acquisition establishes Amicus as a leading company in neurologic LSDs. The lead programs in CLN6, CLN3, 
and CLN8 Batten disease are potential first-to-market curative therapies for these rare, devastating diseases. 

In October 2018, we further expanded our gene therapy portfolio through a collaboration agreement with the Gene Therapy 
Program in the Perelman School of Medicine at the University of Pennsylvania (“Penn”) to pursue the research and development 
of  novel  gene  therapies  for  four  additional  indications,  including  Pompe  disease,  Fabry  disease,  CDKL5  deficiency  disorder 
(“CDD”) and one additional undisclosed  rare  metabolic disorder. This relationship will combine our protein  engineering and 
glycobiology expertise with Penn’s adeno associated virus (“AAV”) gene transfer technologies to develop AAV gene therapies 
designed for optimal cellular uptake, targeting, dosing, safety and manufacturability. 

      In February 2019, we announced that the U.S. Food and Drug Administration (“FDA”) granted Breakthrough Therapy 
Designation (“BTD”) to AT-GAA in late onset Pompe disease. AT-GAA is the first ever investigational product for Pompe disease 
to receive BTD.  The BTD will facilitate multidisciplinary, comprehensive discussions of the AT-GAA development program with 
the FDA, including planned clinical trials and plans for expediting manufacturing development strategy.  The BTD for AT-GAA 
is based on clinical efficacy results from the ongoing ATB200-02 Phase 1/2 clinical study, including improvements in six-minute 
walk distance in late onset Pompe patients and comparison to natural history of treated patients.

We believe that our platform technologies and our product pipeline uniquely position us and drive our commitment to advancing 

and expanding a robust pipeline of cutting-edge, first- or best-in-class medicines for rare metabolic diseases.  

-3-

Our Strategy

Our strategy is to create, manufacture, test and deliver the highest quality medicines for people living with rare metabolic 
diseases through internally developed, acquired or in-licensed products and product candidates that have the potential to obsolete 
current treatments, provide significant benefits to patients, and be first- or best-in-class. In addition to our lead programs in Fabry 
and Pompe, we have begun to leverage our global capabilities to develop and expand our robust pipeline through our recent entry 
into genomic medicine. Since the beginning of 2017, we have made significant progress toward fulfilling our vision to build a 
leading global biotechnology company focused on rare metabolic diseases. 

Highlights of our progress in 2018 include:

•

•

•

Commercial and regulatory success in Fabry disease. During the year ended December 31, 2018, Galafold® revenue
totaled approximately $91.2 million. Revenue has been generated primarily in the EU since May of 2016. In 2018,
we received approvals for Galafold® in the U.S. and Japan.
Pompe clinical program milestones. We reported a series of positive data from a Phase 1/2 clinical study to evaluate
Pompe disease patients treated with our novel treatment paradigm AT-GAA for up to 18 months. We also initiated a
global pivotal study of AT-GAA (ATB200-03, also known as PROPEL) which is expected to enroll approximately
100 participants with late-onset Pompe disease at up to 90 global sites.

Pipeline Growth:  With 14 new gene therapy programs for LSDs, we have established a leading portfolio of medicines
for people living with rare metabolic disorders. Through our license with NCH, we acquired worldwide development
and commercial rights for ten gene therapy programs in rare, neurologic LSDs with lead programs in CLN6, CLN3,
and CLN8 Batten disease. An additional four programs were added to the pipeline through the collaboration with
Penn to pursue research and development of novel gene therapies for Pompe disease, Fabry disease, CDKL5 deficiency
disorder (“CDD”) and one additional undisclosed rare metabolic disorder.

• Manufacturing. We successfully scaled up manufacturing of our Pompe biologic to commercial scale (1,000L) for
our pivotal PROPEL study and commercial supply. Our supply agreement with WuXi Biologics and current capacity
are expected to produce sufficient quantities to serve the entire Pompe population as quickly as possible after receipt
of applicable regulatory approvals. Through our collaborations with NCH and Penn, we also gain access to their
preclinical manufacturing capabilities, clinical supply and CMO relationships for those gene therapy programs.

•

Financial strength. Total cash, cash equivalents and marketable securities of $504.2 million at December 31, 2018
compared to $358.6 million at December 31, 2017. The current cash position, including expected Galafold® revenues,
is sufficient to fund ongoing Fabry, Pompe and gene therapy program operations into at least mid-2021. Potential
future business development collaborations, pipeline expansion, and investment in manufacturing capabilities could
impact our future capital requirements.

Our Commercial Product and Product Candidates

Galafold® (Migalastat HCl) for Fabry Disease

Our oral precision medicine Galafold® was granted accelerated approval by the FDA in August 2018 under the brand name 
Galafold® for the treatment of adults with a confirmed diagnosis of Fabry disease and an amenable galactosidase alpha gene 
("GLA")  variant  based  on  in  vitro  assay  data. The  FDA  approved  Galafold®  for  348  amenable  GLA  variants.  Galafold® was 
approved in the EU in May 2016 as a first-line therapy for long-term treatment of adults and adolescents, aged 16 years and older, 
with a confirmed diagnosis of Fabry disease and who have an amenable variant. The approved EU label includes 367 Fabry-
causing variants, which represent up to half of all patients with Fabry disease. Approvals have also been granted in Australia, 
Canada, Israel, Japan, South Korea, and Switzerland, with additional applications pending in other geographies. We have been 
granted pricing and reimbursement in 22 countries. We plan to continue to launch Galafold® in additional countries during 2019.

As an orally administered monotherapy, Galafold® is designed to bind to and stabilize an endogenous alpha-galactosidase A 
(“alpha-Gal A”) enzyme in those patients with genetic variants identified as amenable in a GLP cell-based amenability assay. 
Galafold® is an oral precision medicine intended to treat Fabry disease in patients who have amenable genetic variants and, at this 
time, it is not intended for concomitant use with ERT.

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Fabry Disease Background

Patients with Fabry disease have an inherited deficiency of the alpha-Gal A enzyme that would normally degrade the lipid 
substrate globotriaosylceramide in the lysosome. Genetic variants that cause changes in the amino acid sequence of alpha-Gal A 
result in an unstable enzyme that does not efficiently fold into its correct three-dimensional shape and cannot be trafficked properly 
in the cell, even if it has the potential for biological activity. Galafold® is an oral small molecule pharmacological chaperone that 
is designed to bind to and stabilize a patient’s own endogenous target protein. This is considered a precision medicine because 
Galafold® targets only patients with GLA variants amenable to Galafold®.

Fabry disease is an X-linked disease caused by mutations in the GLA gene, which encodes the alpha-Gal A enzyme. These 
mutations can cause alpha-Gal A to be either absent or deficient. When alpha-Gal A is absent or deficient the substrates, GL-3 and 
lyso-Gb3 accumulate, leading to damage of cells within affected parts of the individual's body and causing the various pathologies 
seen in Fabry disease. Fabry disease leads to progressive, irreversible organ damage, typically involving the nervous, cardiac, and 
renal systems, as well as multiple other tissues. The symptoms can be severe, differ from patient to patient, and begin at an early 
age, resulting in significant clinical, humanistic, and healthcare costs. Fabry disease requires lifelong medical intervention to 
manage the complications of this devastating disease across multiple organ systems.

Fabry disease is a relatively rare disorder. The annual incidence of Fabry disease in newborn males has been estimated to be 
1:40,000-1:60,000 (Journal of the American Medical Association January 1999 and The Metabolic and Molecular Bases of Inherited 
Disease 8th edition 2001). Recent newborn screening studies in Italy, Taiwan, Austria and the U.S., which screened more than 
526,000 newborns, found the incidence of Fabry disease mutations to be between 1:2,400 to 1:8,454, more than ten times higher 
than previous estimates for classic patients. (American Journal of Human Genetics 2006, Human Mutation 2009, the Lancet 2011, 
Journal of Pediatrics 2017, and JAMA Pediatrics 2018). 

Based on this, we believe that approximately 35-50% of the Fabry disease patient population may benefit from treatment with 
Galafold® as a monotherapy. Additionally, we expect that as awareness of late-onset symptoms of Fabry disease grows, the number 
of patients diagnosed with the disease will increase. Increased awareness of Fabry disease, particularly for specialists not accustomed 
to treating Fabry disease patients, may lead to increased testing and diagnosis of patients with the disease.

Currently, two other products, both ERTs, are approved for the treatment of Fabry disease: agalsidase beta and agalsidase alfa. 
The net product sales of agalsidase beta and agalsidase alfa for 2018 were approximately $742.5 million as publicly reported by 
Sanofi Aventis, and $498.1 million as publicly reported by Takeda, respectively.

Gene Therapy for Fabry Disease

We are committed to continued innovation for all people living with Fabry disease. For people living with Fabry disease who 
have non-amenable variants, which are not suitable for Galafold® as a monotherapy, our strategy is to develop a Fabry gene therapy. 
In October 2018, we further expanded our gene therapy portfolio through a collaboration agreement with Penn to pursue research 
and development of novel gene therapies for Fabry disease. For additional information, see above “-Overview.”

Novel ERT for Pompe Disease

We are leveraging our biologics capabilities and CHART® platform to develop AT-GAA, a novel treatment paradigm for
Pompe disease. AT-GAA consists of a uniquely engineered rhGAA enzyme, ATB200, with an optimized carbohydrate structure 
to enhance lysosomal uptake, administered in combination with a pharmacological chaperone, AT2221, to improve activity and 
stability. We initiated a global phase 3 clinical study (ATB200-03, or PROPEL) of AT-GAA in adult patients with late onset Pompe 
disease in 2018, with the first patient dosed in December 2018.

Our  strategy  is  to  enhance  the  body  of  clinical  data  for AT-GAA  in  ongoing  clinical  studies,  including  the  pivotal  study 
(PROPEL) to deliver this potential new therapy to as many people living with Pompe disease as soon as possible. Based on 
regulatory feedback from both the U.S. FDA and the European Medicines Agency ("EMA"), the PROPEL study is expected to 
support approval for a broad indication, including ERT-switch and treatment-naïve patients. 

The pharmacological chaperone, AT2221 is not an active ingredient that contributes directly to GAA substrate reduction but 
instead acts to stabilize ATB200. The small molecule pharmacological chaperone AT2221 binds and stabilizes ATB200 to improve 
the uptake of active enzyme in key disease-relevant tissues, resulting in increased clearance of accumulated substrate, glycogen.

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In preclinical studies, AT-GAA demonstrated greater tissue enzyme levels and further substrate reduction compared to the 

currently approved ERT for Pompe disease (alglucosidase alfa).

On  February  5,  2019  we  reported  additional  interim  data  from  our  clinical  study  ATB200-02  at  the  15th  Annual 
WORLDSymposium™. Highlights included safety and tolerability data in patients as well as pharmacodynamic "PD" data (muscle 
damage biomarker and disease substrate biomarker). To date, adverse events have been generally mild and transient. AT-GAA has 
resulted in a low rate of infusion-associated reactions (“IARs”) following 1,110+ infusions (16 events of IARs in six patients). 
The clinical pharmacokinetic profile has been consistent with previously reported preclinical data. Treatment with AT-GAA resulted 
in persistent and durable reductions in creatine kinase and urine hexose tetrasaccharide across all patient cohorts up to month 24.

With regard to efficacy, muscle function improved in 16 out of 17 patients who have available data for up to 21 or 24 months. 
Mean 6MWT improved in both ERT-naïve and ERT-switch patients with continued benefit observed out to month 24. All 5 ERT-
naive patients showed increases in 6MWT distance at all time points out to month 21. The ERT-naïve patients showed mean 
increases of 42 meters at month 6 (n=5), 63 meters at month 12 (n=5), and 55 meters at month 21 (n=5). 6MWT increased in 7/10, 
9/10, and 8/8 ERT-switch patients at Months 6, 12, and 24 respectively. The ERT-switch patients showed mean increases of 24 
meters at month 6 (n=10), 42 meters at month 12 (n=10), and 54 meters at month 24 (n=8). Other motor function tests generally 
showed mean improvements consistent with 6MWT distance out to month 21 or 24 in both ambulatory cohorts. Non-ambulatory 
ERT-switch patients showed improvements in upper extremity strength (which includes elbow and shoulder) from baseline to 
month 24, as measured by quantitative muscle testing and manual muscle testing. Pulmonary function improved in ERT-naïve 
patients and was generally stable in ERT-switch patients. In ERT-naïve patients, mean absolute change in forced vital capacity 
(FVC), one of the main measures of pulmonary function in Pompe disease, was +4.2% at month 6 (n=5), +4.5% at month 12 (n=5), 
and +6.1% at month 21 (n=5). In ERT-switch patients mean absolute change in FVC was -1.2% at month 6 (n=9), -3.0% at month 
12 (n=9), and -0.6% at month 24 (n=7). Overall, other pulmonary tests of maximal inspiratory pressure (MIP), a measure of 
inhalation, and maximal expiratory pressure (MEP), a measure of exhalation, were stable or increased in both ERT-naïve and ERT-
switch patients.

Pompe Disease Background

Like Fabry disease, Pompe disease is an LSD that results from a deficiency in an enzyme, GAA. Signs and symptoms of 
Pompe disease can be severe and debilitating and include progressive muscle weakness throughout the body, particularly the heart 
and  skeletal  muscles.  GAA  deficiency  causes  accumulation  of  glycogen  in  cells,  which  is  believed  to  result  in  the  clinical 
manifestations of Pompe disease. Pompe disease ranges from a rapidly fatal infantile form with severe cardiac involvement to a 
more slowly progressive, late-onset form primarily affecting skeletal muscle. All forms are characterized by severe muscle weakness 
that worsens over time. In the early-onset form, patients are usually diagnosed shortly after birth and often experience enlargement 
of the heart and severe muscle weakness. In late-onset Pompe disease, symptoms may not appear until late childhood or adulthood 
and patients often experience progressive muscle weakness.

According to reported estimates of the Acid Maltase Deficiency Association, the United Pompe Foundation, and the Lysosomal 

Disease Program at Massachusetts General Hospital, there are 5,000-10,000 patients with Pompe disease worldwide.

Currently, one other product, an ERT, is approved for the treatment of Pompe disease: alglucosidase alfa. The net product 

sales of alglucosidase alfa for 2018 were approximately $827.5 million as publicly reported by Sanofi Aventis.

Gene Therapy for Pompe Disease

As part of our long-term commitment to provide multiple solutions to address the significant unmet needs of the Pompe 
community, we are also advancing a next-generation gene therapy as a potential cure for Pompe disease. In October 2018, we 
further expanded our gene therapy portfolio through a collaboration agreement with Penn to pursue research and development of 
novel gene therapies for, among other indications, Pompe disease. For additional information, see above “-Overview.”

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CDKL5 Deficiency Disorder (“CDD”)

We are also researching a potential first-in-class protein replacement therapy approach. Through our collaboration with Penn, 
we are also researching a gene therapy for CDD. CDKL5 is a gene on the X-chromosome encoding the CDKL5 protein that 
regulates the expression of several essential proteins for normal brain development. Genetic mutations in the CDKL5 gene result 
in CDKL5 protein deficiency and CDD. This disorder manifests clinically as persistent seizures starting in infancy, followed by 
severe impairment in neurological development. Most children affected by CDD cannot walk or care for themselves and may also 
suffer from scoliosis, visual impairment, sensory issues, and gastrointestinal complications. 

Batten Disease Product Candidates

We are researching potential first-in-class gene therapies for multiple forms of Batten disease. Batten disease is the common 
name for a broad class of rare, fatal, inherited disorders of the nervous system also known as neuronal ceroid lipofuscinoses, or 
NCLs. In these diseases, a defect in a specific gene triggers a cascade of problems that interferes with a cell’s ability to recycle 
certain molecules. Each gene is called CLN (ceroid lipofuscinosis, neuronal) and given a different number designation as its 
subtype. There are 13 known forms of Batten disease often referred to as CLN1-8; 10-14. The various types of Batten disease have 
similar features and symptoms but vary in severity and age of onset.

Most forms of Batten disease/NCLs usually begin during childhood. The clinical course often involves progressive loss of 
independent adaptive skills such as mobility, feeding, and communication. Patients may also experience vision loss, personality 
changes, behavioral problems, learning impairment, and seizures. Patients typically experience progressive loss of motor function 
and eventually those affected become wheelchair-bound, are then bedridden, and die prematurely.

The two clinical stage gene therapies are in CLN3 and CLN6 Batten disease. The CLN6 Batten disease Phase 1/2 study 
completed target enrollment, with 12 patients receiving a single administration of adeno-associated virus serotype 9 AAV9-CLN6 
gene therapy. We expect to report additional two-year data from CLN6 Batten disease Phase 1/2 study in 2019. 

CLN6  Batten  disease  results  from  a  mutation  in  the  CLN6  gene  which  primarily  affects  the  nervous  system. The  CLN6 

population is approximately 1,000 patients across our commercial landscape today.

In the fourth quarter of 2018, the Company announced the initiation of a Phase 1/2 clinical study to evaluate the safety and 
efficacy of a single intrathecal administration of adeno-associated virus serotype 9 AAV9-CLN3 gene therapy in children with 
CLN3 Batten disease. CLN3 Batten disease, the most common form of NCL results from a mutation in the CLN3 gene which 
primarily affects the nervous system. Children with this condition develop vision impairment, intellectual disability, progressive 
loss of motor function, speech difficulties, and seizures which worsen over time.

CLN3 impacts approximately 5,000 patients across our commercial landscape today and there are no approved therapies 

for this disorder.

Strategic Alliances and Arrangements

In October 2018, we further expanded our gene therapy portfolio through a collaboration agreement with Penn to pursue 
research and development of novel gene therapies for four additional indications, including Pompe disease, Fabry disease, CDD 
and  one  additional  undisclosed  rare  metabolic  disorder. For  additional  information,  see  above  “—Overview.”    See  also  "—
Collaboration and License Agreements" below for additional information on strategic alliances and arrangements.

We will continue to evaluate business development opportunities as appropriate that build stockholder value and provide us 
with access to the financial, technical, clinical, and commercial resources necessary to develop and market technologies or products 
with a focus on rare metabolic diseases. We are exploring potential collaborations, alliances, and other business development 
opportunities on a regular basis. These opportunities may include the acquisition of preclinical-stage, clinical-stage or marketed 
products so long as such transactions are consistent with our strategic plan to develop and provide therapies to patients living with 
rare and orphan diseases.

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Our Technology Platforms

Pharmacological Chaperone Technology

Our pharmacological chaperone technology has allowed us to develop our personalized medicine Galafold® (a monotherapy), 
our Chaperone-Advanced Replacement Therapy (“CHART®”) technology platform (pharmacological chaperones in combination 
with ERT), and has advanced our protein engineering expertise in enzyme targeting and gene therapy. Pharmacological chaperones 
are small molecules designed to selectively bind to a target protein, increase its stability, and help keep it folded in the correct 
three-dimensional shape. For LSDs, pharmacological chaperones are designed to bind to, stabilize, and facilitate trafficking of 
both endogenous and exogenous enzymes to the lysosome. 

Pharmacological Chaperone Monotherapy

As monotherapy agents for LSDs, pharmacological chaperones are designed to bind to and stabilize endogenous lysosomal 
enzymes  for  proper  trafficking  to  the  lysosome,  which  may  also  alleviate  the  buildup  of  mutant  proteins  in  the  endoplasmic 
reticulum. Once in the lysosome, the pharmacological chaperone disassociates and the enzyme is free to break down substrate. 
Based on this mechanism, individuals with certain genetic variants (amenable variants) that result in some residual biological 
activity are potentially eligible for pharmacological chaperone monotherapy. This is the technology basis of our Galafold® treatment.

CHART® Technology Platform

ERT is the standard of care for several LSDs, based on the intravenous infusion of recombinant or gene-activated human 
enzyme. The enzyme is delivered into the blood in order to be taken up by cells and then transported to the lysosome. Upon entering 
the lysosome, this enzyme is intended to perform the function of the absent or deficient endogenous enzyme. However, the pH in 
blood is higher than the enzyme's natural acidic environment in the lysosome. As a result, the infused enzyme may unfold and lose 
activity and may be misdirected to non-target tissues or rapidly cleared from the body. Exposure to high concentrations of infused 
enzymes can impact efficacy or cause adverse effects.

We are applying our CHART® technology for our current Pompe treatment paradigm AT-GAA, where our chaperone AT2221 
is designed to bind to and stabilize our recombinant rhGAA enzyme ATB200. The pharmacokinetic  data from our Phase 1/2 
ATB200-02 clinical study in Pompe patients, in addition to other studies of pharmacological chaperones in combination with 
currently marketed ERTs, have established initial human proof of concept that a pharmacological chaperone can stabilize enzyme 
activity. This technology may improve the stability, uptake, and activity of the enzyme.  

Our Protein Engineering Expertise for Enzyme Targeting and Gene Therapy

The uptake of ERTs into a patient's cells is mediated by a particular carbohydrate called mannose 6-phosphate ("M6P"). M6P 
enables binding and delivery of therapeutic drug to lysosomes via M6P receptors on cell surfaces. Many currently approved ERTs 
have limited amounts of M6P, thereby limiting the uptake of therapeutic drug into a patient's cells.

Our novel Pompe treatment paradigm AT-GAA includes our ERT ATB200 that is engineered with significantly higher amounts 

of M6P for improved lysosomal targeting and incorporates our chaperone AT2221 to improve enzyme stability.

In the case of gene therapy, limited amounts of M6P on the construct DNA may also limit uptake and require very high doses 
of protein in order to be taken up into a patient’s cells.  Through our relationship with Penn, we will combine Amicus’ protein 
engineering and glycobiology expertise with Penn’s AAV gene transfer technologies to develop AAV gene therapies designed for 
optimal cellular uptake, targeting, dosing, safety and manufacturability. Our indications of focus include Fabry, Pompe, CDD and 
on additional undisclosed rare metabolic disorder.

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Acquisitions

Celenex, Inc.

In September 2018, the Company expanded its pipeline by acquiring the rights and related intellectual property of ten gene 
therapy programs through its acquisition of Celenex. Celenex is a private, clinical stage gene therapy company whose lead programs 
are ten gene therapy programs including CLN6 and CLN3, which are in clinical stage, and several programs in pre-clinical stage. 
Pursuant to the terms of the agreement, the Company acquired Celenex for cash consideration of $100 million. The Company has 
also agreed to pay up to an additional $15 million in connection with the achievement of certain development milestones, $262 
million in connection with the achievement of certain regulatory approval milestones across multiple programs and up to $75 
million in tiered sales milestone payments. Celenex has an exclusive license agreement with NCH. Under this license agreement, 
NCH is eligible to receive development and sales based milestones of up to $7.8 million for each product.

        The Company evaluated the Celenex transaction and concluded that the transaction did not meet the definition of a business 
and was an asset acquisition. Given the fact that the license has no alternative future use, the $100.0 million upfront payment was 
expensed to research and development expense in the Consolidated Statements of Operations for the year ended December 31, 
2018.

MiaMed, Inc.

In July 2016, we acquired MiaMed, Inc., ("MiaMed"), which is a pre-clinical biotechnology company focused on developing 
protein replacement therapy for CDD and related diseases. Upon closing of the transaction we paid the former holders of MiaMed's 
capital stock an aggregate of $6.5 million, comprised of (i) approximately $1.8 million in cash (plus MiaMed's cash and cash 
equivalents at closing and less any of MiaMed's unpaid third-party fees and expenses related to the transaction), and (ii) 825,603 
shares of our Company's common stock. In addition, we also agreed to pay up to an additional $83.0 million in connection with 
the achievement of certain clinical, regulatory and commercial milestones, for a potential aggregate deal value of $89.5 million. 
We accounted for this transaction as an acquisition of an asset as we did not acquire any employees from MiaMed; nor did we 
acquire any significant processes that we did not previously perform or manage.

Scioderm, Inc.

In  September  2015,  we  acquired  Scioderm Inc.,  ("Scioderm"),  a  privately-held  biopharmaceutical  company  focused  on 
developing innovative therapies for treating the rare disease, epidermolyis bullosa ("EB"). The acquisition potentially leveraged 
the  Scioderm  development  team's  EB  expertise  with  our  global  clinical  infrastructure  to  advance  SD-101toward  regulatory 
approvals and our commercial, patient advocacy, and medical affairs infrastructure to support a successful global launch. The 
acquisition of Scioderm was accounted for as a purchase of a business.

On September 13, 2017, we reported that top-line data from the randomized, double-blind, placebo-controlled Phase 3 clinical 
study (ESSENCE, SD-005) to assess the efficacy and safety of the novel topical wound-healing agent SD-101 did not meet the 
primary endpoints or secondary endpoints in participants with EB. Based on these top-line data, we have no current plans to invest 
in any additional clinical studies or commercial preparation activities for SD-101. The associated impairment of Scioderm IPR&D 
is discussed in "— Note 4. Goodwill and Intangible Assets" in our Notes to Consolidated Financial Statements.

Callidus Biopharma, Inc.

In  November  2013,  we  entered  into  a  merger  agreement  with  Callidus  Biopharma,  Inc.  ("Callidus"),  a  privately  held 
biotechnology company that was engaged in developing a next-generation Pompe ERT. Callidus did not have complementary 
technologies but their technology was complementary to our own pharmacological chaperone technology.

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In connection with our acquisition of Callidus, we agreed to issue an aggregate of 7.2 million shares of our common stock to 
the former stockholders of Callidus. In addition, we will be obligated to make additional payments to the former stockholders of 
Callidus upon the achievement of certain clinical milestones of up to $35 million and regulatory milestones of up to $80 million 
set forth in the merger agreement, provided that the aggregate merger consideration shall not exceed $130 million. We may, at our 
election, satisfy certain milestone payments identified in the merger agreement aggregating $40 million in shares of our common 
stock. The milestone payments not permitted to be satisfied in common stock (as well as any payments that we are permitted to, 
but choose not to, satisfy in common stock), as a result of the terms of the merger agreement, will be paid in cash. During the 
fourth quarter of 2018, we reached a clinical milestone for Callidus, which was the dosing of the first patient in a Phase 3 study. 
The milestone payment for this event was $9.0 million which was paid in our common stock during the first quarter of 2019.

Intellectual Property

Patents and Trade Secrets

Our success depends in part on our ability to maintain proprietary protection surrounding our product candidates, technology, 
and know-how, to operate without infringing the proprietary rights of others, and to prevent others from infringing our proprietary 
rights. Our policy is to seek to protect our proprietary position by filing U.S. and foreign patent applications related to our proprietary 
technology, including both new inventions and improvements of existing technology, that are important to the development of our 
business, unless this proprietary position would be better protected using trade secrets. Our patent strategy includes obtaining 
patent protection, where possible, on compositions of matter, methods of manufacture, methods of use, combination therapies, 
dosing and administration regimens, formulations, therapeutic monitoring, screening methods, and assays. We also rely on trade 
secrets, know-how, continuing technological innovation, in-licensing, and partnership opportunities to develop and maintain our 
proprietary position. Lastly, we monitor third parties for activities that may infringe our proprietary rights, as well as the progression 
of third party patent applications that may have the potential to create blocks to our products or otherwise interfere with the 
development of our business. We are aware, for example, of U.S. patents, and corresponding international counterparts, owned by 
third parties that contain claims related to ERTs, and small molecules for stabilizing enzymes. If any of these patents were to be 
asserted against us, there is no assurance that a court would find in our favor or that, if we choose or are required to seek a license, 
a license to any of these patents would be available to us on acceptable terms or at all.

We own or license rights to several issued patents in the U.S., current member states of the European Patent Convention and 
numerous pending and issued foreign applications, which are foreign counterparts of many of our U.S. patents. We also own or 
license rights to several pending U.S. applications. Our patent portfolio includes patents and patent applications with claims relating 
to methods of increasing and/or stabilizing deficient enzyme activity to treat genetic diseases. The patent positions for Galafold®, 
and ATB200/AT2221 pharmacological chaperone/ERT combination therapy are described below and include both patents and 
patent applications we own or exclusively license:

•

We have an exclusive license to a number of issued U.S. patents that cover the use of Galafold® to treat Fabry
disease,  as  well  as  corresponding  European,  Japanese,  and  Canadian  patents. These  exclusively  licensed  U.S.
patents relating to Galafold® expired in 2018, while the European, Japanese, and Canadian patents will expire in
2019. The patents include claims covering methods of increasing the activity of and preventing the degradation of
alpha-Gal A, and methods for the treatment of Fabry disease using Galafold®. In addition, we own two issued U.S.
patents directed to dosing regimens with Galafold® that expire in 2027 (not including any extensions), as well as
a  pending  application  which,  if  granted,  may  result  in  a  patent  that  also  expires  in  2027  (not  including  any
extensions). Foreign counterpart patents are issued in Australia, Europe, Hong Kong, Mexico, and Japan, and
foreign applications are pending in Australia, Canada, Europe, Hong Kong, Japan, and Mexico. Further, we own
an issued U.S. patent directed to synthetic steps related to the commercial process for preparing Galafold®, which
expires in 2026, as well as issued patents in China, Europe, Hong Kong, India, Israel, and Japan. We jointly own
issued U.S., European, Hong Kong, and Mexican patents covering a method of determining whether male Fabry
disease patients are likely to respond to treatment with Galafold® which expires in 2027. We have two issued U.S.
patents covering a method of treating a patient diagnosed with Fabry disease with Galafold® wherein the Fabry
patient has one of several alpha-Gal A variants. These patents will expire in 2029. We also have a pending U.S.
application covering a method of determining which alpha-Gal A variants are likely to be amenable to therapy
with Galafold® which, if granted, will expire in 2029. Foreign counterpart patents have also been issued in Europe,
Japan, Canada, Mexico, and Australia; all of which will also expire in 2029. We also have filed a patent application
covering a method of treating renal symptoms in a Fabry patient in relevant jurisdictions. As of February 2019,
we have allowance of the U.S. counterpart and when granted, the patent would expired in 2038.

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•

•

•

•

•

•

We have an exclusive license to pending patent applications covering the co-administration of Galafold® with ERT
(recombinant alpha-Gal A). Patents covering specific combinations have issued in the U.S., Europe, Canada, China,
India, Israel, Hong Kong, Japan, and Mexico. These issued patents will expire in 2024. We also own a U.S. patent
application covering specific doses and dosing regimens of Galafold® to treat Fabry disease in combination with
ERT (recombinant alpha-Gal A) in the U.S. and foreign counterpart applications in Australia, Canada, Europe,
Hong Kong, Japan, and issued patents in Australia, Canada, and China. Any patents issuing from these applications
will expire in 2032.

We have patents covering a co-formulation of recombinant acid alpha-glucosidase and Galafold® in the U.S.
and Australia, as well as pending patent applications in the U.S., Australia, Canada, China, Europe, and Hong
Kong. If patents issue from these applications, expiration will be in 2033 or 2034.

As part of the Callidus acquisition, we acquired a portfolio of patent applications including an application series
covering  reagents  and  methods  for  coupling  targeting  peptides  to  recombinant  lysosomal  enzymes,  including
recombinant acid alpha-glucosidase. Patents in this series are issued in the U.S., Canada, China and Europe, and
applications are pending in the U.S., Europe, Japan, Brazil, Canada, China, and South Korea. If patents issue from
these applications, expiration will be in 2032 to 2034 depending on the specific application.

Another patent application portfolio related to a modified lysosomal enzyme (acid alpha-glucosidase) that binds
more  effectively  to  the  receptor  and  more  potent  than  conventional  recombinant  enzymes. These  applications
pending in the U.S., Australia, Brazil, Canada, China, Eurasia, Europe, Israel, India, Japan, South Korea, Mexico,
Singapore, Taiwan, South Africa, and other countries. If patents issue from this series, they will expire in 2035 to
2038.

As part of the acquisition of MiaMed, we acquired an exclusive worldwide license to certain patent rights held by
the Università di Bologna. These patent rights include two issued U.S. patent and a pending U.S. patent application
directed  to  novel  CDD  fusion  proteins,  as  well  as  pending  counterpart  patent  applications  in  several  foreign
countries. The issued U.S. patent and the patent applications, if issued, will expire in 2035.

From NCH through the acquisition of Celenex, we have an exclusive license to pending patent applications covering
ten AAV program in neurodegenerative disorders, including CLN6, CLN3, and CLN8 Batten diseases. These patent
rights include one issued European patent and several pending U.S. patent applications pertaining to various aspects
of the gene therapy programs, as well as pending counterpart patent applications in several foreign countries. The
issued European patent and the patent applications, if issued, will expire in 2033 or 2040.

Individual patents extend for varying periods depending on the effective date of filing of the patent application or the date of 
patent issuance, and the legal term of the patents in the countries in which they are obtained. Generally, patents issued in the U.S. 
are effective for:

•

•

The longer of 17 years from the issue date or 20 years from the earliest effective filing date, if the patent application
was filed prior to June 8, 1995; and

20 years from the earliest effective filing date, if the patent application was filed on or after June 8, 1995.

The term of foreign patents varies in accordance with provisions of applicable local law, but typically is 20 years from the 

earliest effective filing date.

The U.S. Drug Price Competition and Patent Term Restoration Act of 1984, and amendments thereto, more commonly known 
as the Hatch-Waxman Act, provides for an extension of one patent, known as a Hatch-Waxman statutory extension, for each New 
Chemical Entity ("NCE") to compensate for a portion of the time spent in clinical development and regulatory review. However, 
the maximum extension is five years and the extension cannot extend the patent beyond 14 years from the new drug application 
("NDA") approval. Similar extensions are available in European countries, known as Supplemental Protection Certificate ("SPC") 
extensions, Japan and other countries. However, in the United States we will not know what, if any, extensions are available until 
a drug is approved. In addition, in the U.S., under provisions of the Best Pharmaceuticals for Children Act, we may be entitled to 
an additional six month period of patent protection or market exclusivity for completing pediatric clinical studies in response to 
an FDA issued Pediatric Written Request before said exclusivities expire.

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The patent positions of companies like ours are generally uncertain and involve complex legal, technical, scientific, and factual 
questions. Our ability to maintain and solidify our proprietary position for our technology will depend on our success in promptly 
filing patent applications on new discoveries, and in obtaining effective claims and enforcing those claims once granted. We focus 
special attention on filing patent applications for formulations and delivery regimens for our products in development to further 
enhance our patent exclusivity for those products. We seek to protect our proprietary technology and processes, in part, by contracting 
with our employees, collaborators, scientific advisors, and our commercial consultants to ensure that any inventions resulting from 
the relationship are disclosed promptly, maintained in confidence until a patent application is filed, and preferably until publication 
of the patent application, and assigned to us or subject to a right to obtain a license. We do not know whether any of our owned 
patent applications or those patent applications that are licensed to us will result in the issuance of any patents. Our issued patents 
and those that may issue in the future, or those licensed to us, may be challenged, narrowed, invalidated, circumvented, or be found 
to be invalid or unenforceable, which could limit our ability to stop competitors from marketing related products and reduce the 
term of patent protection that we may have for our products. Neither we nor our licensors can be certain that we were the first to 
invent the inventions claimed in our owned or licensed patents or patent applications. In addition, our competitors may independently 
develop similar technologies or duplicate any technology developed by us and the rights granted under any issued patents may 
not provide us with any meaningful competitive advantages against these competitors. Furthermore, because of the extensive time 
required for development, testing, and regulatory review of a potential product, it is possible that any related patent may expire 
prior to or shortly after commencing commercialization, thereby reducing the advantage of the patent to our business and products.

We may rely, in some circumstances, on trade secrets to protect our technology. However, trade secrets are difficult to protect. 
We seek to protect our trade secret technology and processes, in part, by entering into confidentiality agreements with commercial 
partners, collaborators, employees, consultants, scientific advisors, and other contractors, and by contracting with our employees 
and some of our commercial consultants to ensure that any trade secrets resulting from such employment or consulting are owned 
by us. We also seek to preserve the integrity and confidentiality of our data and trade secrets by maintaining physical security of 
our premises and physical and electronic security of our information technology systems. While we have confidence in these 
individuals, organizations, and systems, agreements or security measures may be breached, and we may not have adequate remedies 
for any breach. In addition, our trade secrets may otherwise become known or be discovered independently by others. To the extent 
that our consultants, contractors, or collaborators use intellectual property owned by others in their work for us, disputes may arise 
as to the rights in related or resulting know-how and inventions.

Collaboration and License Agreements

We have acquired rights to develop and commercialize our product candidates through licenses granted by various parties. 

The following summarizes our material rights and obligations under those licenses:

Nationwide Children's Hospital

In September 2018, we expanded our pipeline by acquiring the rights and related intellectual property of ten gene therapy 
programs through our acquisition of Celenex. Celenex has an exclusive license agreement with NCH. Under this license agreement, 
NCH is eligible to receive development and sales based milestones of up to $7.8 million for each product.

University of Pennsylvania

In October 2018, we further expanded our gene therapy portfolio through a collaboration agreement with Penn to pursue 
research and development of novel gene therapies for four additional indications, including Pompe disease, Fabry disease, CDD 
and one additional undisclosed rare metabolic disorder. This relationship will combine our protein engineering expertise with 
Penn’s AAV gene transfer technologies to develop AAV gene therapies designed for optimal cellular uptake, targeting, dosing, 
safety and manufacturability. In connection with the collaboration agreement, we made an upfront payment of $7 million in cash 
to Penn in October 2018 that was expensed to research and development expense in the Consolidated Statements of Operations 
and agreed to certain milestone payments following the achievement of certain developmental and commercial milestone events 
by a licensed product in each indication up to an aggregate of $86.5 million per indication.

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GlaxoSmithKline

In November 2013, we entered into a Revised Agreement ("the Revised Agreement") with GlaxoSmithKline ("GSK"), pursuant 
to which, we obtained global rights to develop and commercialize Galafold® as a monotherapy and in combination with ERT for 
Fabry disease. The Revised Agreement amends and replaces in its entirety the earlier agreement entered into between us and GSK 
in July 2012. Under the terms of the Revised Agreement, for Galafold® monotherapy, GSK is eligible to receive post-approval 
and sales-based milestones, as well as tiered royalties in the mid-teens in eight major markets outside the U.S. There was no other 
consideration paid to GSK as part of the Revised Agreement. For the year ended December 31, 2018, we recognized approximately 
$6.9 million of royalty expense under the Revised Agreement.

Mt. Sinai School of Medicine

We have acquired exclusive worldwide patent rights to develop and commercialize Galafold® and other pharmacological 
chaperones for the prevention or treatment of human diseases or clinical conditions by increasing the activity of wild-type and 
mutant enzymes pursuant to a license agreement with Mt. Sinai School of Medicine ("MSSM") of New York University. Under 
this agreement, to date, we have paid no upfront or annual license fees and we have no milestone or future payments other than 
royalties on net sales. This agreement expires upon expiration of the last of the licensed patent rights, which will be in 2019, or 
2024 if we develop a product for combination therapy (pharmacological chaperone plus/ERT) and a patent issues from the pending 
application covering the combination therapy, subject to any patent term extension that may be granted.

Under our license agreements, if we owe royalties on net sales for one of our products to more than one of the above licensors, 
then we have the right to reduce the royalties owed to one licensor for royalties paid to another. The amount of royalties to be 
offset is generally limited in each license and can vary under each agreement. For Galafold® in 2018, we incurred $0.8 million of 
royalty expense under the agreement with MSSM. Our rights with respect to these agreements to develop and commercialize 
Galafold® may terminate, in whole or in part, if we fail to meet certain development or commercialization requirements or if we 
do not meet our obligations to make royalty payments.

Manufacturing

We continue to rely on contract manufacturers to supply the active biopharmaceutical ingredients and final drug product for 
Galafold®,  other  pharmacological  chaperones,  our  next-generation  ERT  product  candidates,  and  our  gene  therapy  product 
candidates. The active biopharmaceutical ingredients and final formulations for these products are manufactured under current 
Good Manufacturing Practice ("cGMP"). The components in the final formulation for each product are commonly used in other 
biopharmaceutical products and are well characterized ingredients. We have implemented appropriate controls for assuring the 
quality  of  both  active  biopharmaceutical  ingredients  and  final  drug  products.  Product  specifications  will  be  established  in 
concurrence with regulatory bodies at the time of product registration.

Competition

Overview

The biotechnology and pharmaceutical industries are characterized by rapidly advancing technologies, intense competition, 
and a strong emphasis on proprietary products. In addition, several large pharmaceutical companies are increasingly focused on 
developing therapies for the treatment of rare diseases, both through organic growth and acquisitions and partnerships. While we 
believe that our technologies, knowledge, experience, and scientific resources, provide us with competitive advantages, we face 
potential competition from many different sources, including commercial enterprises, academic institutions, government agencies, 
and private and public research institutions. Any product candidates that we successfully develop and commercialize will compete 
with both existing and new therapies that may become available in the future.

Many  of  our  competitors  may  have  significantly  greater  financial  resources  and  expertise  associated  with  research  and 
development, regulatory approvals, and marketing approved products. These competitors also compete with us in recruiting and 
retaining qualified scientific and management personnel, as well as in acquiring technologies complementary to, or necessary for, 
our programs. Smaller or early-stage companies may also prove to be significant competitors, particularly through collaborative 
arrangements with large and established companies.

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Our commercial opportunities could be reduced or eliminated if our competitors develop and commercialize products that 
are safer, more effective, have fewer side effects, are more convenient, and/or are less expensive than products that we may develop. 
In addition, our ability to compete may be affected because in some cases insurers or other third party payors seek to encourage 
the use of generic products. This may have the effect of making branded products less attractive to buyers.

Major Competitors

Our  major  competitors  include  pharmaceutical  and  biotechnology  companies  in  the  U.S.  and  abroad  that  have  approved 
therapies or therapies in development for LSDs. Other competitors are pharmaceutical and biotechnology companies that have 
approved  therapies  or  therapies  in  development  for  rare  diseases  for  which  pharmacological  chaperone  technology,  or  next-
generation ERT may be applicable. Additionally, we are aware of several early-stage, niche pharmaceutical and biotechnology 
companies whose core business revolves around protein misfolding; however, we are not aware that any of these companies is 
currently working to develop products that would directly compete with ours. We are also aware of several pharmaceutical and 
biotechnology companies who are developing various treatments for novel ERTs and gene therapy. The key competitive factors 
affecting the success of our product candidates are likely to be their efficacy, safety, convenience, and price.

Any product candidates that we successfully develop and commercialize will compete with existing therapies and new therapies 
that may become available in the future. The following table lists our principal competitors and publicly available information on 
the status of their clinical-stage product offerings:

Competitor

Indication

Product

Class of Product

Status

2018 Sales

(in millions)

Fabry Disease

Pompe Disease

Fabry Disease

Pompe Disease

Fabry Disease

Fabry Disease

Pompe Disease

Fabry Disease

Fabry Disease

Pompe Disease

Pompe Disease

CLN3 Batten

Fabrazyme®
Myozyme®/ Lumizyme®

ERT

ERT

GZ402671

Oral GCS Inhibitor

GZ402666 ("neo GAA")
Replagal®

PRX-102

AT845

ST-920

AVR-RD-01

AVR-RD-03

SPK-3006

ABO-201

ERT

ERT

ERT

Gene Therapy

Gene Therapy

Gene Therapy

Gene Therapy

Gene Therapy

Gene Therapy

$

$

$

Marketed

Marketed

Phase 2

Phase 3

Marketed

Phase 2/3

Preclinical

Preclinical

Phase 1/2

Preclinical

Preclinical

Preclinical

742.5

827.5

N/A

N/A

498.1

N/A

N/A

N/A

N/A

N/A

N/A

N/A

Sanofi Aventis

Takeda

Protalix Biotherapeutics

Audentes

Sangamo

Avrobio

Spark

Abeona

Government Regulation

FDA Approval Process

In the U.S., biopharmaceutical products, including gene therapies, are subject to extensive regulation by the FDA. The Federal 
Food, Drug, and Cosmetic Act, Public Health Services Act, and other federal and state statutes and regulations, govern, among 
other things, the research, development, testing, manufacture, storage, recordkeeping, approval, labeling, promotion and marketing, 
distribution, post-approval monitoring and reporting, sampling, and import and export of biopharmaceutical products. Failure to 
comply with applicable U.S. requirements may subject a company to a variety of administrative or judicial sanctions, such as FDA 
refusal to file a marketing application, to issue Complete Response letters or to not approve pending NDAs or biologic product 
license applications ("BLAs"), or to issue warning letters, product recalls, product seizures, total or partial suspension of production 
or distribution, injunctions, fines, civil penalties, litigation, government investigation, and criminal prosecution.

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Biopharmaceutical product development in the U.S. typically involves nonclinical laboratory and animal tests, the submission 
to the FDA of an Investigational New Drug application ("IND"), which must become effective before clinical testing may commence, 
and adequate and well-controlled clinical trials to establish the safety and effectiveness of the drug for each indication for which 
FDA approval is sought. Satisfaction of FDA pre-market approval requirements typically takes many years and the actual time 
required varies substantially based upon the type, complexity, and novelty of the product or disease. Preclinical tests include 
laboratory evaluation of product chemistry, formulation, and toxicity, as well as animal studies to assess the characteristics, potential 
safety, and efficacy of the product. The conduct of the preclinical tests must comply with federal regulations and requirements 
including Good Laboratory Practice ("GLP"). The results of preclinical testing are submitted to the FDA as part of an IND along 
with other information including information about product chemistry, manufacturing and controls, and at least one proposed 
clinical trial protocol. Long-term preclinical safety evaluations, such as animal tests of reproductive toxicity and carcinogenicity, 
continue during the IND phase of development. Reproductive toxicity studies are required to allow inclusion of women of child 
bearing potential in clinical trials, whereas carcinogenicity studies are required for registration. The results of these long-term 
studies would eventually be described in product labeling.

A 30-day review period after the submission and receipt of an IND is required prior to the commencement of clinical testing 
in humans. The IND becomes effective 30 days after its receipt by the FDA, and trials may begin at that point unless the FDA 
notifies the sponsor that the investigations are subject to a clinical hold.

Clinical trials usually involve the administration of the investigational new drug to healthy volunteers or patients under the 
supervision of a qualified investigator. Clinical trials must be conducted in compliance with applicable government regulations, 
Good Clinical Practice ("GCP"), as well as under protocols detailing the objectives of the trial, the parameters to be used in 
monitoring safety, and the effectiveness criteria to be evaluated. Each protocol involving testing on U.S. patients and subsequent 
protocol amendments must be submitted to the FDA as part of the IND.

The FDA may order the temporary or permanent discontinuation of a clinical trial at any time or impose other sanctions if it 
believes that the clinical trial is not being conducted in accordance with FDA requirements or presents an unacceptable risk to the 
clinical trial patients. The study protocol and informed consent information for patients in clinical trials must also be submitted to 
an Institutional Review Board ("IRB"), for approval. An IRB may also require the clinical trial at the site to be halted, either 
temporarily or permanently, for failure to comply with the IRB's requirements, or may impose other conditions.

Clinical trials to support an NDA or BLA for marketing approval are typically conducted in three sequential phases, but the 
phases may overlap. In Phase 1, the initial introduction of the drug into healthy human subjects or patients, the drug is tested to 
assess metabolism, pharmacokinetics, pharmacological actions, side effects associated with increasing doses, and, if possible, 
early evidence on pharmacodynamics effects and effectiveness.

Phase 2  usually  involves  trials  in  a  limited  patient  population  to  determine  the  effectiveness  of  the  drug  for  a  particular 
indication  or  indications,  dosage  tolerance,  and  optimum  dosage,  and  identify  common  adverse  effects  and  safety  risks.  If  a 
compound demonstrates evidence of efficacy and an acceptable safety profile in Phase 2 evaluations, Phase 3 trials are undertaken 
to obtain the additional information about clinical efficacy and safety in a larger number of patients over longer treatment periods, 
typically at geographically dispersed clinical trial sites, to permit the FDA to evaluate the overall benefit-risk relationship of the 
drug and to provide adequate information for the labeling of the drug.

The FDA has established the Office of Tissue and Advanced Therapies within the Center for Biologics Evaluation and Research, 
or  CBER,  to  consolidate  the  review  of  gene  therapy  and  related  products,  and  has  established  the  Cellular, Tissue  and  Gene 
Therapies Advisory Committee to advise CBER in its review.  

In addition to the regulations discussed above, there are a number of additional standards that apply to clinical trials involving 
gene therapies. The FDA has issued various guidance documents regarding gene therapies, which outline additional factors that 
the FDA will consider at each of the above stages of development and relate to, among other things: the proper preclinical assessment 
of gene therapies; the CMC information that should be included in an IND application; the proper design of tests to measure 
product potency in support of an IND or BLA application; and measures to observe delayed adverse effects in subjects who have 
been exposed to investigational gene therapies when the risk of such effects is high. Further, the FDA usually recommends that 
sponsors observe subjects for potential gene therapy-related delayed adverse events for a 15-year period, including a minimum of 
five years of annual examinations followed by 10 years of annual queries, either in person or by questionnaire. NIH and the FDA 
have a publicly accessible database, the Genetic Modification Clinical Research Information System, which includes information 
on gene therapy trials and serves as an electronic tool to facilitate the reporting and analysis of adverse events on these trials. 

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After completion of the required clinical testing, an NDA or BLA is prepared and submitted to the FDA for the determination 
of efficacy and safety. FDA approval of the NDA or BLA is required before marketing of the product may begin in the U.S. The 
NDA or BLA must include the results of all preclinical, clinical, and other testing and a compilation of data relating to the product's 
pharmacology, chemistry, manufacture, and controls. The cost of preparing and submitting an NDA or BLA is substantial. Under 
federal law, the submission of most NDAs and BLAs is additionally subject to a substantial application user fee; although for 
orphan drugs these fees are waived, and the holder of an approved NDA or BLA may also be subject to annual product and 
establishment user fees. These fees are typically increased annually.

The FDA has 60 days from its receipt of an NDA or BLA to determine whether the application will be accepted for filing 
based on the agency's threshold determination that it is sufficiently complete to permit substantive review. Once the submission 
is accepted for filing, the FDA begins an in-depth review. The FDA has agreed to certain performance goals in the review of NDAs. 
Marketing applications are assigned review status during the filing period. Review status could be either standard or priority. Most 
such applications for standard review are reviewed within 12 months under PDUFA V (two months for filing plus ten months for 
review). The FDA attempts to review a drug candidate that is eligible for priority review within six months, as discussed below. 
The review process may be extended by the FDA for three additional months to evaluate major amendments submitted during the 
pre-specified PDUFA V review clock. The FDA may also refer applications for novel drug products or drug products which present 
difficult questions of safety or efficacy to an Advisory Committee for public review, typically a panel that includes clinicians and 
other experts, for review, evaluation, and a recommendation as to whether the application should be approved. The FDA is not 
bound by the recommendation of an Advisory Committee, but it generally follows such recommendations. Before approving an 
NDA or BLA, the FDA will typically inspect one or more clinical sites to assure compliance with GCP. Additionally, the FDA will 
inspect the facility or the facilities at which the drug is manufactured. The FDA may also undertake an audit of nonclinical and 
clinical trial sites. The FDA will not approve the product unless compliance with cGMP is satisfactory and the NDA or BLA 
contains data that provide substantial evidence that the drug is safe and effective in the indication studied and to be marketed. 
During the product approval process, the FDA also will determine whether a risk evaluation and mitigation strategy, or REMS, is 
necessary to assure the safe use of the product candidate. A REMS could include medication guides, physician communication 
plans and elements to assure safe use, such as restricted distribution methods, patient registries and other risk minimization tools. 
If the FDA concludes a REMS is needed, the sponsor of the BLA must submit a proposed REMS; the FDA will not approve the 
BLA without a REMS, if required.

After the FDA evaluates the NDA or BLA and the manufacturing facilities, it issues an approval letter or a complete response 
letter.  Complete  response  letters  outline  the  deficiencies  in  the  submission  that  prevent  approval  and  may  require  substantial 
additional testing or information for the FDA to reconsider the application. If and when those deficiencies have been addressed to 
the FDA's satisfaction in an amendment submitted to the NDA or BLA, the FDA will then issue an approval letter. The FDA has 
committed to reviewing such resubmissions in two or six months depending on the type and extent of information included.

An approval letter authorizes commercial marketing of the drug with specific prescribing information for specific indications. 
As a condition of NDA approval, the FDA may require substantial post-approval commitments or requirements to conduct additional 
testing and/or surveillance to monitor the drug's safety or efficacy and may impose other conditions, including distribution and 
labeling restrictions which can materially affect the potential market and profitability of the drug. Once granted, product approvals 
may be withdrawn if compliance with regulatory standards is not maintained, problems are identified following initial marketing, 
or post-marketing commitments are not met.

The Hatch-Waxman Act

In seeking approval for a drug through an NDA, applicants are required to list with the FDA certain patent(s) with claims that 
cover the applicant's product or approved method of use. Upon approval of a drug, each of the patents listed in the application for 
the drug is then published in the FDA's Approved Drug Products with Therapeutic Equivalence Evaluations, commonly known 
as the Orange Book. Drugs listed in the Orange Book can, in turn, be cited by potential competitors in support of approval of an 
Abbreviated New Drug Application ("ANDA"). An ANDA provides for marketing of a drug product that has the same route of 
administration, active ingredients strength, and dosage form as the listed drug and has been shown through bioequivalence testing 
to be, in most cases, therapeutically equivalent to the listed drug. ANDA applicants are not required to conduct or submit results 
of preclinical or clinical tests to prove the safety or effectiveness of their drug product, other than the requirement for bioequivalence 
testing. Drugs approved in this way are commonly referred to as "generic equivalents" to the listed drug and can often be substituted 
by pharmacists under prescriptions written for the original listed "innovator" drug.

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The ANDA applicant is required to certify to the FDA concerning any patents listed for the approved product in the FDA's 
Orange Book. Specifically, the applicant must certify that: (i) the required patent information has not been filed; (ii) the listed 
patent has expired; (iii) the listed patent has not expired, but will expire on a particular date and approval is sought after patent 
expiration; or (iv) the listed patent is invalid or will not be infringed by the new product. A certification that the new product will 
not infringe the already approved product's listed patents or that such patents are invalid is called a Paragraph 4 certification. If 
the applicant does not challenge the listed patents, the ANDA application will not be approved until all the listed patents claiming 
the referenced product have expired.

If the ANDA applicant submits a Paragraph 4 certification to the FDA, the applicant must also send notice of the Paragraph 4 
certification to the NDA and patent holders once the ANDA has been accepted for filing by the FDA. The NDA and patent holders 
may then initiate a patent infringement lawsuit in response to the notice of the Paragraph 4 certification. The filing of a patent 
infringement lawsuit within 45 days of the receipt of a Paragraph 4 certification automatically prevents the FDA from approving 
the ANDA until the earlier of 30 months, expiration of the patent, settlement of the lawsuit or a decision in the infringement case 
that is favorable to the ANDA applicant.

Patent term and data exclusivity run in parallel. An ANDA application also will not be approved until any non-patent exclusivity, 
such as exclusivity for obtaining approval of a NCE, listed in the Orange Book for the referenced product has expired (New 
Chemical Entity Market Exclusivity). Federal law provides a period of five years following approval of a drug containing no 
previously approved active ingredients, during which ANDAs for generic versions of those drugs cannot be submitted unless the 
submission contains a Paragraph 4 certification that challenges a listed patent, in which case the submission may be made four 
years following the original product approval.

Federal law provides for a period of three years of exclusivity following approval of a listed drug that contains previously 
approved active ingredients but is approved in a new dosage form, route of administration or combination, or for a new use, the 
approval of which was required to be supported by new clinical trials conducted by or for the sponsor, during which the FDA 
cannot grant effective approval of an ANDA based on that listed drug for the same new dosage form, route of administration or 
combination, or new use.

Other Regulatory Requirements

Once an NDA or BLA is approved, a product will be subject to certain post-approval requirements. For instance, the FDA 
closely regulates the post-approval marketing and promotion of drugs, including standards and regulations for direct-to-consumer 
advertising, communications regarding unindicated uses, industry-sponsored scientific and educational activities, and promotional 
activities involving the internet.

Drugs may be promoted only for approved indications and in accordance with the provisions of the approved labeling. Changes 
to some of the conditions established in an approved application, including changes in indications, new safety information, labeling, 
or manufacturing processes or facilities, require submission and FDA approval of a new NDA, NDA supplement, BLA, or BLA 
supplement before the change can be implemented. New efficacy claims require submission and approval of an NDA supplement 
and BLA supplement for each new indication.

The efficacy claims typically require new clinical data similar to those included in the original application. The FDA uses the 
same  procedures  and  actions  in  reviewing  NDA  and  BLA  supplements  as  it  does  in  reviewing  NDAs  and  BLAs. Additional 
exclusivity may be granted for new efficacy claims. Generic ANDAs cannot be labeled for these types of claims until the new 
exclusivity period expires.

Adverse event reporting and submission of periodic reports is required following FDA approval of an NDA or BLA. The FDA 
also may require post-marketing testing, known as Phase 4 testing, risk evaluation and mitigation strategies, and surveillance to 
monitor the effects of an approved product, or place conditions on an approval that could restrict the distribution or use of the 
product. In addition, quality control as well as drug manufacture, packaging, and labeling procedures must continue to conform 
to cGMP, after approval. Drug manufacturers and certain subcontractors are required to register their establishments with FDA 
and certain state agencies, and are subject to routine inspections by the FDA during which the agency inspects manufacturing 
facilities to access compliance with cGMP. Accordingly, manufacturers must continue to expend time, money, and effort in the 
areas of production and quality control to maintain compliance with cGMP. Regulatory authorities may withdraw product approvals 
or  request  product  recalls  if  a  company  fails  to  comply  with  regulatory  standards,  if  it  encounters  problems  following  initial 
marketing, or if previously unrecognized problems are subsequently discovered.

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Orphan Drugs

Under the Orphan Drug Act, the FDA may grant orphan drug designation to drugs intended to treat a rare disease or condition, 
which is generally a disease or condition that affects fewer than 200,000 individuals in the U.S. Orphan drug designation must be 
requested before submitting an NDA or BLA. After the FDA grants orphan drug designation, the generic identity of the drug and 
its potential orphan use are disclosed publicly by the FDA. Orphan drug designation does not convey any advantage in or shorten 
the duration of the regulatory review and approval process. The first NDA or BLA applicant with FDA orphan drug designation 
for a particular active ingredient to receive FDA approval of the designated drug for the disease indication for which it has such 
designation, is entitled to a seven-year exclusive marketing period (Orphan Drug Exclusivity) in the U.S. for that product, for that 
indication. During the seven-year period, the FDA may not finally approve any other applications to market the same drug for the 
same disease, except in limited circumstances, such as a showing of clinical superiority to the product with orphan drug exclusivity 
or if the license holder cannot supply sufficient quantities of the product. Orphan drug exclusivity does not prevent the FDA from 
approving a different drug for the same disease or condition, or the same drug for a different disease or condition, provided that 
the sponsor has conducted appropriate clinical trials required for approval. Among the other benefits of orphan drug designation 
are tax credits for certain research and a waiver of the NDA or BLA application user fee for the orphan indication.

Pediatric Information

Under the Pediatric Research Equity Act of 2007 ("PREA"), NDAs or supplements to NDAs must contain data to assess the 
safety and effectiveness of the drug for the claimed indications in all relevant pediatric subpopulations and to support dosing and 
administration for each pediatric subpopulation for which the drug is safe and effective. The FDA may grant deferrals for submission 
of data or full or partial waivers. Unless otherwise required by regulation, PREA does not apply to any drug for an indication for 
which orphan designation has been granted.

Fast Track Designation

Under the Fast Track program, the sponsor of an IND may request the FDA to designate the drug candidate as a Fast Track 
drug if it is intended to treat a serious condition and fulfill an unmet medical need. The FDA must determine if the drug candidate 
qualifies for Fast Track designation within 60 days of receipt of the sponsor's request. Once the FDA designates a drug as a Fast 
Track candidate, it is required to facilitate the development and expedite the review of that drug by providing more frequent 
communication with and guidance to the sponsor.

In addition to other benefits such as greater interactions with the FDA, the FDA may initiate review of sections of a Fast Track 
drug's NDA or BLA before the application is complete. This rolling review is available if the applicant provides, and the FDA 
approves, a schedule for the submission of the remaining information and the applicant pays applicable user fees. However, the 
FDA's review period as specified under PDUFA V for filing and reviewing an application does not begin until the last section of 
the NDA or BLA has been submitted. Additionally, the Fast Track designation may be withdrawn by the FDA if the FDA believes 
that the designation is no longer supported by data emerging in the clinical trial process.

Breakthrough Therapy Designation

Breakthrough Therapy designation is intended to expedite the development and review of a candidate that is planned for use 
to treat a serious or life-threatening disease or condition when preliminary clinical evidence indicates that the drug may demonstrate 
substantial  improvement  over  existing  therapies  on  one  or  more  clinically  significant  endpoints.  A  Breakthrough  Therapy 
designation conveys all of the Fast Track program features, as well as more intensive FDA guidance on an efficient drug development 
program. The FDA also has an organizational commitment to involve senior management in such guidance.

Priority Review

Under FDA policies, a drug candidate is eligible for priority review, or review within six months from filing for a new molecular 
entity ("NME") or six months from submission for a non-NME if the drug candidate provides a significant improvement compared 
to marketed drugs in the treatment, diagnosis, or prevention of a disease. A Fast Track designated drug candidate would ordinarily 
meet the FDA's criteria for priority review. The FDA makes its determination of priority or standard review during the 60-day 
filing period after an initial NDA or BLA submission.

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Accelerated Approval

Under the FDA's accelerated approval regulations, the FDA may approve a drug for a serious or life-threatening illness that 
provides meaningful therapeutic benefit to patients over existing treatments based upon a surrogate endpoint that is reasonably 
likely to predict clinical benefit. This approval mechanism is provided for under 21CRF314 Subpart H and Subpart E. In this case, 
clinical trials are conducted in which a surrogate endpoint is used as the primary outcome for approval. A surrogate endpoint is 
reasonably likely to predict clinical benefit, or an effect on a clinical endpoint that can be measured earlier than an effect on 
irreversible morbidity or mortality, that is reasonably likely to predict an effect on irreversible morbidity or mortality or other 
clinical benefit, taking into account the severity, rarity, or prevalence of the condition and the availability or lack of alternative 
treatments. This  surrogate  endpoint  substitutes  for  a  direct  measurement  of  how  a  patient  feels,  functions,  or  survives  and  is 
considered reasonably likely to predict clinical benefit. Such surrogate endpoints may be measured more easily or more rapidly 
than clinical endpoints. A drug candidate approved on this basis is subject to rigorous post-marketing compliance requirements, 
including the completion of Phase 4 or post-approval clinical trials to confirm the effect on the clinical endpoint. When the Phase 4 
commitment is successfully completed, the biomarker is deemed to be a surrogate endpoint. Failure to conduct required post-
approval studies or confirm a clinical benefit during post-marketing studies, could lead the FDA to withdraw the drug from the 
market on an expedited basis. All promotional materials for drug candidates approved under accelerated regulations are subject 
to prior review by the FDA.

Section 505(b) (2) New Drug Applications

Most drug products obtain FDA marketing approval pursuant to an NDA, an ANDA, or a BLA. A fourth alternative is a special 
type of NDA, commonly referred to as a Section 505(b) (2) NDA, which enables the applicant to rely, in part, on the safety and 
efficacy data of an existing product, or published literature, in support of its application.

505(b) (2) NDAs often provide an alternate path to FDA approval for new or improved formulations or new uses of previously 
approved products. Section 505(b)(2) permits the submission of a NDA for which at least some of the information required for 
approval comes from studies not conducted by or for the applicant and for which the applicant has not obtained a right of reference. 
The applicant may rely upon certain preclinical or clinical studies conducted for an approved product. The FDA may also require 
companies to perform additional studies or measurements to support the change from the approved product. The FDA may then 
approve the new product candidate for all or some of the label indications for which the referenced product has been approved, 
as well as for any new indication sought by the Section 505(b) (2) applicant.

To the extent that the Section 505(b) (2) applicant is relying on studies conducted for an already-approved product, the applicant 
is required to certify to the FDA concerning any patents listed for the approved product in the Orange Book to the same extent as 
an ANDA applicant. Thus approval of a 505(b)(2) NDA can be stalled until all the listed patents claiming the referenced product 
have expired, until any non-patent exclusivity, such as exclusivity for obtaining approval of an NCE, listed in the Orange Book 
for the referenced product has expired, and, in the case of a Paragraph 4 certification and subsequent patent infringement suit, until 
the earlier of 30 months, settlement of the lawsuit or a decision in the infringement case that is favorable to the Section 505(b)(2) 
applicant.

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Patient Protection and Affordable Care Act of 2010

The Biologics Price Competition and Innovation Act of 2009 ("BPCIA"), which was enacted as part of the Patient Protection 
and Affordable Care Act of 2010, as amended by the Health Care and Education Reconciliation Act of 2010 ("PPACA") created 
an abbreviated approval pathway for biological products that are demonstrated to be "biosimilar" or "interchangeable" with an 
FDA-licensed reference biological product via an approved BLA. Biosimilarity to an approved reference product requires that 
there be no differences in conditions of use, route of administration, dosage form, and strength, and no clinically meaningful 
differences  between  the  biological  product  and  the  reference  product  in  terms  of  safety,  purity,  and  potency.  Biosimilarity  is 
demonstrated in steps beginning with rigorous analytical studies or "fingerprinting", in vitro studies, in vivo animal studies, and 
generally at least one clinical study, absent a waiver from the Secretary of Health and Human Services. The biosimilarity exercise 
tests the hypothesis that the investigational product and the reference product are the same. If at any point in the stepwise biosimilarity 
process a significant difference is observed, then the products are not biosimilar, and the development of a stand-alone NDA or 
BLA is necessary. In order to meet the higher hurdle of interchangeability, a sponsor must demonstrate that the biosimilar product 
can be expected to produce the same clinical result as the reference product, and for a product that is administered more than once, 
that the risk of switching between the reference product and biosimilar product is not greater than the risk of maintaining the patient 
on the reference product. Complexities associated with the larger, and often more complex, structures of biological products, as 
well  as  the  process  by  which  such  products  are  manufactured,  pose  significant  hurdles  to  implementation  that  are  still  being 
evaluated by the FDA. Under the BPCIA, a reference biologic is granted 12 years of exclusivity from the time of first licensure 
of the reference product.

Anti-Kickback, False Claims Laws, the Prescription Drug Marketing Act and Other Regulations

In addition to FDA restrictions on marketing of pharmaceutical products, several other types of state and federal laws have 
been applied to restrict certain marketing practices in the pharmaceutical industry in recent years. These laws include anti-kickback 
statutes and false claims statutes as well as regulations related to payments and transfers of value to healthcare providers, the 
protection of the security and privacy of protected health information, and other compliance efforts. The federal healthcare program 
anti-kickback statute prohibits, among other things, knowingly and willfully offering, paying, soliciting, or receiving remuneration 
to induce or in return for purchasing, leasing, ordering, or arranging for the purchase, lease or order of any healthcare item or 
service reimbursable under Medicare, Medicaid, or other federally financed healthcare programs. This statute has been interpreted 
to  apply  to  arrangements  between  pharmaceutical  manufacturers  on  the  one  hand  and  prescribers,  purchasers,  and  formulary 
managers on the other. Violations of the anti-kickback statute are punishable by imprisonment, criminal fines, civil monetary 
penalties, and exclusion from participation in federal healthcare programs. Although there are a number of statutory exemptions 
and regulatory safe harbors protecting certain common activities from prosecution or other regulatory sanctions, the exemptions 
and  safe  harbors  are  drawn  narrowly,  and  practices  that  involve  remuneration  intended  to  induce  prescribing,  purchases,  or 
recommendations may be subject to scrutiny if they do not qualify for an exemption or safe harbor.

Federal false claims laws prohibit any person from knowingly presenting, or causing to be presented, a false claim for payment 
to the federal government, or knowingly making, or causing to be made, a false statement to have a false claim paid. Recently, 
several pharmaceutical and other healthcare companies have been prosecuted under these laws for allegedly inflating drug prices 
they report to pricing services, which in turn were used by the government to set Medicare and Medicaid reimbursement rates, 
and for allegedly providing free product to customers with the expectation that the customers would bill federal programs for the 
product. In addition, certain marketing practices, including off-label promotion, may also violate false claims laws. The majority 
of states also have statutes or regulations similar to the federal anti-kickback law and false claims laws, which apply to items and 
services, reimbursed under Medicaid and other state programs, or, in several states, apply regardless of the payor.

Physician Drug Samples

As  part  of  the  sales  and  marketing  process,  pharmaceutical  companies  frequently  provide  samples  of  approved  drugs  to 
physicians. The Prescription Drug Marketing Act (the "PDMA") imposes requirements and limitations upon the provision of drug 
samples to physicians, as well as prohibits states from licensing distributors of prescription drugs unless the state licensing program 
meets certain federal guidelines that include minimum standards for storage, handling, and record keeping. In addition, the PDMA 
sets forth civil and criminal penalties for violations.

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Regulation Outside the U.S.

In addition to regulations in the U.S., we are subject to a variety of regulations in other jurisdictions governing clinical studies, 
commercial  sales,  and  distribution  of  our  products.  Most  countries  outside  the  U.S.  require  that  clinical  trial  applications  be 
submitted to and approved by the local regulatory authority for each clinical study. In addition, whether or not we obtain FDA 
approval for a product, we must obtain approval of a product by the comparable regulatory authorities of countries outside the 
U.S. before we can commence clinical studies or marketing of the product in those countries. The approval process varies from 
country to country, and the time may be longer or shorter than that required for FDA approval.

To obtain regulatory approval of an orphan drug under EU regulatory systems, we are mandated to submit MAAs in Centralized 
Procedure. The centralized procedure, which came into operation in 1995, allows applicants to obtain a marketing authorization 
that is valid throughout the EU. It is compulsory for medicinal products manufactured using biotechnological processes, for orphan 
medicinal products and for human products containing a new active substance which was not authorized in the Community before 
20 May 2004 (date of entry into force of Regulation (EC) No 726/2004) and which are intended for the treatment of AIDS, cancer, 
neurodegenerative  disorder  or  diabetes.  The  centralized  procedure  is  optional  for  any  other  products  containing  new  active 
substances not authorized in the Community before 20 May 2004 or for products which constitute a significant therapeutic, scientific 
or technical innovation or for which a Community authorization is in the interests of patients at Community level. When a company 
wishes to place on the market a medicinal product that is eligible for the centralized procedure, it sends an application directly to 
the European Medicines Agency, to be assessed by the Committee for Medicinal Products for Human Use ("CHMP"). The procedure 
results in a Commission decision, which is valid in all EU Member States. Centrally-authorized products may be marketed in all 
Member States. Centralized procedure: Full copies of the MA application are sent to a rapporteur and a co-rapporteur designated 
by the competent EMA scientific committee. They coordinate the EMA's assessment of the medicinal product and prepare draft 
reports. Once the draft reports are prepared (other experts might be called upon for this purpose), they are sent to the CHMP, whose 
comments or objections are communicated to the applicant. The rapporteur is therefore the privileged interlocutor of the applicant 
and continues to play this role, even after the MA has been granted.

The rapporteur and co-rapporteur then assess the applicant's replies, submit them for discussion to the CHMP and, taking into 
account the conclusions of this debate, prepare a final assessment report. Once the evaluation is completed, the CHMP gives a 
favorable or unfavorable opinion as to whether to grant the authorization. When the opinion is favorable, it shall include the draft 
summary of the product's characteristics, the package leaflet and the texts proposed for the various packaging materials. The time 
limit for the evaluation procedure is 210 days. The EMA then has fifteen days to forward its opinion to the Commission. This is 
the start of the second phase of the procedure: the decision-making process. The Agency sends to the Commission its opinion and 
assessment report, together with annexes containing: the SmPC (Annex 1); the particulars of the MAH responsible for batch release, 
the particulars of the manufacturer of the active substance and the conditions of the marketing authorization (Annex 2); and the 
labelling and the package leaflet (Annex 3). The annexes are translated into the 22 other official languages of the EU. During the 
decision-making  process,  the  Commission  services  verify  that  the  marketing  authorization  complies  with  Union  law.  The 
Commission has fifteen days to prepare a draft decision. The medicinal product is assigned a Community registration number, 
which will be placed on its packaging if the marketing authorization is granted. During this period, various Commission directorates-
general are consulted on the draft marketing authorization decision.

The draft decision is then sent to the Standing Committee on Medicinal Products for Human Use, (Member States have one 
representative each in both of these committees) for their opinions. The Centralized Procedure, which is compulsory for medicines 
produced by certain biotechnological processes and optional for those which are highly innovative, provides for the grant of a 
single marketing authorization that is valid for all EU member states. The Decentralized Procedure provides for approval by one 
or more other, or concerned, member states of an assessment of an application performed by one member state, known as the 
reference member state. Under this procedure, an applicant submits an application, or dossier, and related materials including a 
draft summary of product characteristics, and draft labeling and package leaflet, to the reference member state and concerned 
member states. The reference member state prepares a draft assessment and drafts of the related materials within 120 days after 
receipt of a valid application. Within 90 days of receiving the reference member state's assessment report, each concerned member 
state must decide whether to approve the assessment report and related materials. If a member state cannot approve the assessment 
report and related materials on the grounds of potential serious risk to the public health, the disputed points may eventually be 
referred to the European Commission, whose decision is binding on all member states.

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We have obtained an orphan medicinal product designation in the EU from the EMA for Galafold® for the treatment of Fabry 
disease ("FD"). The combination product, ATB200/AT2221, for the treatment of Pompe disease has currently received orphan 
drug designation in the U.S. with a pending review in the EU. Applications from persons or companies seeking "orphan medicinal 
product designation" for products they intend to develop for the diagnosis, prevention, or treatment of life-threatening or very 
serious conditions that affect not more than 5 in 10,000 persons in the EU are reviewed by the Committee for Orphan Medicinal 
Products ("COMP"). In addition, orphan drug designation can be granted if the drug is intended for a life threatening, seriously 
debilitating, or serious and chronic condition in the EU and that without incentives it is unlikely that sales of the drug in the EU 
would be sufficient to justify developing the drug. Orphan drug designation is only available if there is no other satisfactory method 
approved in the EU of diagnosing, preventing, or treating the condition, or if such a method exists, the proposed orphan drug will 
be of significant benefit to patients.

Orphan  drug  designation  provides  opportunities  for  fee  reductions  for  protocol  assistance  and  access  to  the  centralized 
regulatory procedures before and during the first year after marketing approval, which reductions are not limited to the first year 
after  marketing  approval  for  small  and  medium  enterprises.  In  addition,  if  a  product  which  has  an  orphan  drug  designation 
subsequently receives EMA marketing approval for the indication for which it has such designation, the product is entitled to 
orphan drug exclusivity, which means the EMA may not approve any other application to market the same drug for the same 
indication for a period of 10 years. The exclusivity period may be reduced to six years if the designation criteria are no longer met, 
including where it is shown that the product is sufficiently profitable not to justify maintenance of market exclusivity. Competitors 
may receive marketing approval of different drugs or biologics for the indications for which the orphan product has exclusivity. 
In order to do so, however, they must demonstrate that the new drugs or biologics provide a significant benefit over the existing 
orphan product. This demonstration of significant benefit may be done at the time of initial approval or in post-approval studies, 
depending on the type of marketing authorization granted.

We have obtained a positive opinion for our pediatric investigation plan ("PIP") in the EU for Galafold® for the treatment of 
Fabry disease as well. In May 2016, we announced that we had received full European Commission approval for migalastat HCl, 
under the product name Galafold®, as a first-line therapy for long-term treatment of adults and adolescents aged 16 years and older 
with a confirmed diagnosis of Fabry disease and who have an amenable variant. A PIP is a development plan aimed at ensuring 
that  the  necessary  data  are  obtained  to  support  the  authorization  of  a  medicine  for  children,  through  studies  in  children. All 
applications for marketing authorization for new medicines have to include the results of studies as described in an agreed PIP, 
unless the medicine is exempt because of a deferral or waiver. This requirement also applies when a marketing-authorization holder 
wants to add a new indication, pharmaceutical form, or route of administration for a medicine that is already authorized and covered 
by intellectual property rights. Several rewards and incentives for the development of pediatric medicines for children are available 
in the EU. Medicines authorized across the EU with the results of studies from a PIP included in the product information are 
eligible for an extension of their supplementary protection certificate by six months. This is the case even when the studies' results 
are negative. For orphan medicines, the incentive is an additional two years of market exclusivity. Scientific advice and protocol 
assistance at the Agency are free of charge for questions relating to the development of pediatric medicines. Medicines developed 
specifically for children that are already authorized but are not protected by a patent or supplementary protection certificate are 
eligible for a pediatric-use marketing authorization ("PUMA"). If a PUMA is granted, the product will benefit from 10 years of 
market protection as an incentive.

We have obtained orphan drug designation in Japan for migalastat for the treatment of Fabry Disease. The Ministry of Health, 
Labor, and Welfare, based on the opinion of the Pharmaceutical Affairs and Food Sanitation Council, grants orphan status to drugs 
intended  to  address  serious  illnesses  with  high  unmet  medical  need  that  affect  fewer  than  50,000  patients  in  Japan.  Orphan 
designation provides certain benefits and incentives, including priority review for marketing authorization and a period of 10 years 
of market exclusivity if the drug candidate is approved for the designated indication.

In a referendum held in the United Kingdom (“UK”) on June 23, 2016, a majority of those voting voted for the UK to leave 
the EU, commonly referred to as “Brexit”. On March 29, 2017, the UK government delivered to the European Council notice of 
its intention to leave the EU and, in the absence of an executed withdrawal agreement with the EU, the effective date of the UK’s 
withdrawal from the EU will be March 29, 2019.  The ultimate impact of the “leave” vote will depend on the terms that are 
negotiated in relation to the UK’s future relationship with the EU.  Brexit could lead to legal uncertainty and potentially divergent 
national laws and regulations as the UK determines which EU laws to replicate or replace.

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U.S. Foreign Corrupt Practices Act

The U.S. Foreign Corrupt Practices Act, or FCPA, prohibits U.S. corporations and individuals from engaging in certain activities 
to obtain or retain business abroad or to influence a person working in an official capacity. It is illegal to pay, offer to pay or 
authorize the payment of anything of value to any foreign government official, government staff member, political party or political 
candidate in an attempt to obtain or retain business or to otherwise influence a person working in an official capacity. Equivalent 
laws have been adopted in other foreign countries that impose similar obligations.

Pharmaceutical Pricing and Reimbursement

In the U.S. and markets in other countries, sales of any products for which we receive regulatory approval for commercial 
sale will depend in part on the availability of reimbursement from third party payors. Third party payors include government health 
administrative authorities, managed care providers, private health insurers, and other organizations. These third party payors are 
increasingly challenging the price and examining the cost-effectiveness of medical products and services. In addition, significant 
uncertainty exists as to the reimbursement status of newly approved healthcare product candidates, and efforts are underway by 
the current U.S. administration and states to reduce the cost of prescription drugs overall. We may need to conduct expensive 
pharmacoeconomic studies in order to demonstrate the cost-effectiveness of our products. Our product candidates may not be 
considered cost-effective. Adequate third party reimbursement may not be available to enable us to maintain price levels sufficient 
to realize an appropriate return on our investment in product development.

In 2003, the U.S. government enacted legislation providing a partial prescription drug benefit for Medicare recipients that 
began in 2006. Government payment for some of the costs of prescription drugs may increase demand for any products for which 
we receive marketing approval. However, to obtain payments under this program, we would be required to sell products to Medicare 
recipients through managed care organizations and other health care delivery systems operating pursuant to this legislation. These 
organizations would negotiate prices for our products, which are likely to be lower than we might otherwise obtain. Federal, state, 
and local governments in the U.S. continue to consider legislation to limit the growth of healthcare costs, including the cost of 
prescription  drugs.  Future  legislation  could  limit  payments  for  biopharmaceuticals  such  as  the  drug  candidates  that  we  are 
developing.

The  U.S.  government,  state  legislatures  and  foreign  governments  have  shown  significant  interest  in  implementing  cost 
containment  programs  to  limit  the  growth  of  government-paid  health  care  costs,  including  price  controls,  restrictions  on 
reimbursement and requirements for substitution of generic products for branded prescription drugs.   Adoption of government 
controls  and  measures,  and  tightening  of  restrictive  policies  in  jurisdictions  with  existing  controls  and  measures,  could  limit 
payments for pharmaceuticals. With the current administration and Congress, there have been efforts to make additional legislative 
changes, including repeal and replacement of certain provisions of the PPACA. It is unclear what impact such legislative changes 
will have on the availability of healthcare and/or containing or lowering the costs of healthcare.

The marketability of any products for which we receive regulatory approval for commercial sale may suffer if the government 
and third party payors fail to provide adequate coverage and reimbursement. In addition, an increasing emphasis on managed care 
in the U.S. has increased and will continue to increase the pressure on pharmaceutical pricing.

Employees

As of December 31, 2018, we had 508 full-time employees, 268 of whom were primarily engaged in research and development 
activities and 240 of whom provided selling and administrative services. None of our employees were represented by a labor union. 
We have not experienced any work stoppages and consider our employee relations to be good.

Our Corporate Information

We were incorporated under the laws of the State of Delaware on February 4, 2002. Our global headquarters are located at 1 
Cedar Brook Drive, Cranbury, NJ 08512 and our telephone number is (609) 662-2000. Our website address is www.amicusrx.com. 
We make available free of charge on our website our annual, quarterly, and current reports, including amendments to such reports, 
as soon as reasonably practicable after we electronically file such material with, or furnish such material to, the U.S. Securities 
and Exchange Commission.

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Information relating to our corporate governance, including our Code of Business Conduct for Employees, Executive Officers 
and Directors, Corporate Governance Guidelines, and information concerning our senior management team, Board of Directors, 
including Board Committees and Committee charters, and transactions in our securities by directors and executive officers, is 
available  on  our  website  at  www.amicusrx.com  under  the  "Investors —  Corporate  Governance"  caption  and  in  print  to  any 
stockholder upon request. Any waivers or material amendments to the Code will be posted promptly on our website.

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ITEM 1A.    RISK FACTORS 

The following risk factors and other information included in this Annual Report on Form 10-K should be carefully considered. 
The risks and uncertainties described below are not the only ones we face. Additional risks and uncertainties not presently known 
to us or that we presently deem less significant may also impair our business operations. Please see page 1 of this Annual Report 
on Form 10-K for a discussion of some of the forward-looking statements that are qualified by these risk factors. If any of the 
following risks occur, our business, financial condition, results of operations, and future growth prospects could be materially and 
adversely affected.

Risks Related to our Products and the Regulatory Approval and Clinical Development of our Product Candidates

We depend heavily on sales of our first product, Galafold®, in the EU, the U.S. and Japan. Moreover, if we are unable 
to commercialize Galafold® successfully, or experience significant delays in doing so, our business could be materially 
harmed.

We have invested a significant portion of our efforts and financial resources in the development of Galafold® for the treatment 
of Fabry disease and rely upon sales of Galafold® primarily in the EU and growing sales in the U.S. and Japan. Our ability to 
generate material product revenues will depend heavily on the successful development, regulatory approval, and commercialization 
of Galafold®. We began the commercial launch of Galafold® in the EU in May 2016, in Japan in June 2018 and in the U.S. in 
August 2018, and continue to seek commercial approval in additional foreign jurisdictions. We will continue to study Galafold®
in a confirmatory Phase 4 program.  If the results of the Phase 4 program negatively change the benefit/risk profile of Galafold®, 
the  commercial  success  of  Galafold®  may  be  substantially  diminished. Any  adverse  market  event  with  respect  to  Galafold®, 
including failure to obtain sufficient market acceptance, could have a material adverse effect on our business, financial condition 
and results of operations. If our sales of Galafold® were to decrease, or such sales were substantially or completely displaced in 
the market, or if we are unable to achieve sufficient market acceptance of Galafold® by physicians, patients, third party payors 
and others in the medical community, or if we fail to receive commercial approval in any additional jurisdictions, it could have a 
material adverse effect on our business, financial condition and results of operations. In addition, if Galafold® or similar products 
from  our  competitors  were  to  become  the  subject  of  litigation  and/or  an  adverse  governmental  action  requiring  us  or  such 
competitors, as applicable, to cease sales of Galafold®, such an event could have a material adverse effect on our business, financial 
condition and results of operations. In addition, the entry into the market of competitors with new or generic treatments, including 
oral, ERT and gene therapies, may erode the market for Galafold® and have a material impact on our business.

Any delay or impediment in our ability to obtain regulatory approval in any region to commercialize, or, when approved, 
obtain coverage and adequate reimbursement from third-parties, including government payors, for Galafold® may cause us to be 
unable to meet our revenue guidance or to generate the revenues necessary to continue our research and development pipeline 
activities, thereby adversely affecting our business and our prospects for future growth.

Further, the success of Galafold® will depend on a number of factors, including the following:

•

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•

•

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•

•

obtaining a sufficiently broad label in each territory that would not unduly restrict patient access;

obtaining additional foreign approvals for Galafold®;

continuing to build and maintain an infrastructure capable of supporting product sales, marketing, and distribution
of Galafold® in the EU, U.S., Japan and other territories where we pursue commercialization directly;

maintaining commercial manufacturing arrangements with third party manufacturers;

maintaining commercial distribution agreements with third party distributors;

launching commercial sales of Galafold®, where approved, whether alone or in collaboration with others;

acceptance of Galafold®, where approved, by patients, the medical community and third party payors;

effectively competing with other therapies, including potential generics and potential gene therapies;

a continued acceptable safety profile of Galafold®;

obtaining and maintaining patent and trade secret protection and regulatory exclusivity;

protecting and enforcing our rights in our intellectual property portfolio; and

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•

obtaining a commercially viable price for our products.

If we do not achieve one or more of these factors in a timely manner or at all, we could experience significant delays or an 

inability to successfully commercialize Galafold®, which would materially harm our business.

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

Our  product  and  product  candidates,  including  Galafold®,  and  the  activities  associated  with  their  development  and 
commercialization, including their testing, manufacture, safety, efficacy, recordkeeping, labeling, storage, approval, advertising, 
promotion, sale, distribution, commercialization and reimbursement are subject to comprehensive regulation by the EMA, the 
PMDA, the FDA, and other regulatory agencies in the United States and by comparable authorities in other countries. As of 
December 31, 2018, we have obtained regulatory approval to market Galafold® in the EU, Switzerland, Israel, Iceland, Liechtenstein, 
South Korea, Canada Australia, the U.S. and Japan. Failure to obtain regulatory approval for our product and product candidates 
will prevent us from commercializing our product in jurisdictions beyond those in which we have obtained regulatory approval 
for our product or in any jurisdictions for our product candidates.

We  have  recently  acquired  a  pipeline  of  gene  therapies  in  development  to  treat  rare  metabolic  diseases,  in  addition  to 
development of AT-GAA for Pompe disease. Securing marketing approval for all our product candidates requires the submission 
of extensive preclinical and clinical data and supporting information to regulatory authorities for each therapeutic indication to 
establish the product candidate's safety and efficacy. We will continue to rely on third parties to assist us with filing and supporting 
the applications necessary to obtain marketing approvals for product candidates in this process. Securing marketing approval also 
requires the submission of information about the product manufacturing process to, and inspection of manufacturing facilities by, 
the regulatory authorities. Regulatory authorities may determine that any of our products or product candidates are not effective 
or only moderately effective, or have undesirable or unintended side effects, toxicities, safety profiles or other characteristics that 
preclude us from obtaining marketing approval or that prevent or limit commercial use.

Obtaining approval for all of our product candidates is highly uncertain and we may fail to obtain regulatory approval in any 
or all jurisdictions. The review processes and the processes of regulatory authorities, including the FDA, EMA and PMDA, are 
extensive, lengthy, expensive, and uncertain, and such regulatory authorities may delay, limit, or deny approval of any of our 
product candidates for many reasons, including, but not limited to:

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our  failure  to  demonstrate  to  the  satisfaction  of  the  applicable  regulatory  authorities  that  any  of  our  product
candidates are safe and effective for a particular indication;

the results of clinical trials may not meet the level of statistical significance or other efficacy or safety parameters
required by the applicable regulatory authorities for approval;

the applicable regulatory authority may disagree with the number, design, size, conduct, or implementation of our
clinical trials or conclude that the data fail to meet statistical or clinical significance;

the applicable regulatory authority may not find the data from preclinical studies and clinical trials sufficient to
demonstrate that the product candidate's clinical and other benefits outweigh its safety risks;

the applicable regulatory authority may disagree with our interpretation of data from preclinical studies or clinical
trials, and may reject conclusions from preclinical studies or clinical trials, or determine that primary or secondary
endpoints from clinical trials were not met, or reject safety conclusions from such studies or trials;

the applicable regulatory authority may not accept data generated at one or more of our clinical trial sites;

the applicable regulatory authority may determine that we did not properly oversee our clinical trials or follow the
regulatory authority's advice or recommendations in designing and conducting our clinical trials;

an advisory committee, if convened by the applicable regulatory authority, may recommend against approval of
our application or may recommend that the applicable regulatory authority require, as a condition of approval,
additional preclinical studies or clinical trials, limitations on approved labeling or distribution and use restrictions,
or  even  if  an  advisory  committee,  if  convened,  makes  a  favorable  recommendation,  the  respective  regulatory
authority may still not approve the product candidate; and

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•

the applicable regulatory authority may identify deficiencies in the chemistry, manufacturing, and control sections
of our application, our manufacturing processes, facilities, or analytical methods or those of our third party contract
manufacturers, and this may lead to significant delays in the approval of our product candidates or to the rejection
of our applications altogether.

The process of obtaining marketing approvals is expensive, may take many years, if approval is obtained at all, and can vary 
substantially based upon a variety of factors, including the type, complexity, and novelty of the product candidates involved. 
Changes in marketing approval policies during the development period, changes in or the enactment of additional statutes or 
regulations, or changes in regulatory review for each submitted product application, may cause delays in the approval or rejection 
of an application. Regulatory authorities have substantial discretion in the approval process and may refuse to accept any application 
or may decide that our data are insufficient for approval and require additional preclinical, clinical, or other studies. In addition, 
varying interpretations of the data obtained from preclinical and clinical testing could delay, limit, or prevent marketing approval 
of a product candidate. Any marketing approval we ultimately obtain may be limited or subject to restrictions or post-approval 
commitments that render the approved product not commercially viable.

Our product or product candidates may cause undesirable side effects or have other properties that could delay or prevent 
their regulatory approval or commercialization.

Undesirable side effects caused by our product or product candidates could interrupt, delay or halt clinical trials and could 
result in the denial of regulatory approval by the FDA, EMA or other regulatory authorities for any or all targeted indications, and 
in turn prevent us from commercializing our product or product candidates and generating revenues from their sale. In addition, 
if we or others identify undesirable side effects caused by our products or product candidates after receipt of marketing approval:

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regulatory authorities may require the addition of restrictive labeling statements;

regulatory authorities may withdraw their approval of the product; and

we may be required to change the way the product is administered or additional clinical trials are conducted.

Any of these events could prevent us from achieving or maintaining market acceptance of the affected product or product 
candidate or could substantially increase the costs and expenses of commercializing the product or product candidate, which in 
turn could delay or prevent us from generating significant revenues from its sale or adversely affect our reputation.

If we are unable to establish and maintain sales and marketing capabilities or enter into agreements with third parties 
to market and sell our product or product candidates, we may not be successful in commercializing Galafold®, or any 
product candidate if and when they are approved.

To achieve commercial success for any approved product, we must continue to develop and maintain a sales and marketing 
organization or outsource these functions to third parties. We have established our own sales and marketing capabilities to promote 
Galafold® in the EU, Japan, the U.S. and other foreign jurisdictions with a targeted sales force. There are risks involved with 
establishing and maintaining our own sales and marketing capabilities and entering into arrangements with third parties to perform 
these services for any of our products or product candidates. For example, recruiting and training a sales force is expensive and 
time consuming and could delay any product launch. If the commercial launch of a product candidate for which we recruit a sales 
force and establish marketing capabilities is delayed or does not occur for any reason, we would have prematurely or unnecessarily 
incurred these commercialization expenses. This may be costly, and our investment would be lost if we cannot retain or reposition 
our sales and marketing personnel. Similarly, if we enter into agreements with third parties, including the out licensing of our 
product or product candidates, we may choose to reduce or eliminate our sales and marketing operations and thereby lose our 
commercialization investment.

Factors that may inhibit our efforts to successfully commercialize migalastat HCl, or our product candidates, if and when they 

are approved by regulatory authorities, including the FDA, PMDA and EMA, on our own include:

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our inability to recruit, train and retain adequate numbers of effective sales and marketing personnel;

the inability of sales personnel to obtain access to adequate numbers of physicians to prescribe any future products;

the lack of complementary products to be offered by sales personnel, which may put us at a competitive disadvantage
relative to companies with more extensive product lines;

unforeseen costs and expenses associated with creating an independent sales and marketing organization; and

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•

efforts by our competitors to commercialize products at or about the time when our product candidates would be
coming to market.

We  may  also  co-promote  or  out  license  our  product  or  product  candidates  in  various  markets  with  pharmaceutical  and 
biotechnology companies in instances where we believe that a larger sales and marketing presence will expand the market or 
accelerate penetration. If we do enter into arrangements with third parties to perform sales and marketing services, our product 
revenues will be lower than if we directly sold and marketed our products and any revenues received under such arrangements 
will depend on the skills and efforts of others.

We may not be successful in entering into distribution arrangements and marketing alliances with third parties. Our failure to 
enter into these arrangements on favorable terms could delay or impair our ability to commercialize our product and product 
candidates and could increase our costs of commercialization. Dependence on distribution arrangements and marketing alliances 
to commercialize our products and product candidates will subject us to a number of risks, including:

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we  may  not  be  able  to  control  the  amount  and  timing  of  resources  that  our  distributors  may  devote  to  the
commercialization of our product or product candidates;

our distributors may experience financial difficulties;

our distributors may experience compliance related issues and associated government investigations;

business  combinations  or  significant  changes  in  a  distributor's  business  strategy  may  also  adversely  affect  a
distributor's willingness or ability to complete its obligations under any arrangement; and

these arrangements are often terminated or allowed to expire, which could interrupt the marketing and sales of a
product and decrease our revenue.

If we are unable to establish and maintain adequate sales, marketing and distribution capabilities, whether independently or 

with third parties, we may not be able to generate product revenue at our current guidance and may not ever become profitable.

If the market opportunities for our product or product candidates are smaller than we believe they are, then our revenues 
may be adversely affected and our business may suffer.

Each of the diseases that our product and most advanced product candidates are being developed to address is rare. Our 
projections of both the number of people who have these diseases, as well as the subset of people with these diseases who have 
the potential to benefit from treatment with our product and product candidates, are based on estimates.

Currently, most reported estimates of the prevalence of these diseases are based on studies of small subsets of the population 
of specific geographic areas, which are then extrapolated to estimate the prevalence of the diseases in the broader world population. 
In addition, as new studies are performed the estimated prevalence of these diseases may change. There can be no assurance that 
the prevalence of Fabry disease, Pompe disease, or Batten’s disease in the study populations, particularly in these newer studies, 
accurately reflects the prevalence of these diseases in the broader world population. If our estimates of the prevalence of Fabry 
disease, Pompe disease, or Batten’s disease or of the number of patients who may benefit from treatment with our product or 
product candidates prove to be incorrect, the market opportunities for our product and product candidates may be smaller than we 
believe they are, our prospects for generating revenue at our guidance levels may be adversely affected and our business may 
suffer.

Galafold® or any of our product candidates that receive regulatory approval may fail to achieve the degree of market 
acceptance by physicians, patients, third party payors and others in the medical community necessary for commercial 
success.

Galafold® and any of our other products or product candidates that receive regulatory approval may nonetheless fail to gain 
sufficient market acceptance by physicians, patients, third party payors and others in the medical community. If these products do 
not achieve an adequate level of acceptance, we may not generate significant product revenues or any profits from operations. The 
degree of market acceptance of our product candidates, if approved for commercial sale, will depend on a number of factors, 
including:

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the efficacy and potential advantages compared to alternative treatments, including generics and gene therapies;

the prevalence and severity of any side effects;

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the ability to offer our product and product candidates for sale at competitive prices;

convenience and ease of administration compared to alternative treatments;

the willingness of the target patient population to try new therapies and of physicians to prescribe these therapies;

the strength of marketing and distribution support and timing of market introduction of competitive products;

publicity concerning our products or competing products and treatments; and

sufficient third party coverage or reimbursement.

Our ability to negotiate, secure and maintain third party coverage and reimbursement may be affected by political, economic 
and regulatory developments in the United States, the EU and other jurisdictions. Governments continue to impose cost containment 
measures, and third party payors are increasingly challenging prices charged for medicines and examining their cost effectiveness, 
in  addition  to  their  safety  and  efficacy. These  and  other  similar  developments  could  significantly  limit  the  degree  of  market 
acceptance of Galafold® and any of our product candidates that receive marketing approval and we may fail to meet our revenue 
targets.

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

The development and commercialization of new drug products is highly competitive. We face competition with respect to our 
current product and product candidates and any products we may seek to develop or commercialize in the future from major 
pharmaceutical  companies,  specialty  pharmaceutical  companies,  biotechnology  and  gene  therapy  companies  worldwide.  For 
example,  several  large  pharmaceutical  and  biotechnology  companies  currently  market  and  sell  products  for  the  treatment  of 
lysosomal storage disorders, including Fabry disease. These products include Sanofi Aventis' Fabrazyme® and Takeda’s Replagal®, 
as well as other Fabry treatment products in development. In addition, Sanofi markets and sells Myozyme® and Lumizyme® for 
the treatment of Pompe disease. We are also aware of other enzyme replacement and substrate reduction therapies in development 
by third parties for Pompe, as well as potential gene therapies for both Fabry and Pompe and our other product candidates.

Potential  competitors  also  include  academic  institutions,  government  agencies  and  other  public  and  private  research 
organizations that conduct research, seek patent protection and establish collaborative arrangements for research, development, 
manufacturing and commercialization. Our competitors may develop products that are more effective, safer, more convenient or 
less costly than any that we are developing or that would render our product candidates obsolete or noncompetitive. Our competitors 
may also obtain FDA, EMA, or other regulatory approval for their products more rapidly than we may obtain approval for ours. 
We may also face competition from off-label use of other approved therapies. There can be no assurance that developments by 
others will not render our product candidates or any acquired products obsolete or noncompetitive either during the research phase 
or once the products reaches commercialization.

We  believe  that  many  competitors,  including  academic  institutions,  government  agencies,  public  and  private  research 
organizations, large pharmaceutical companies and smaller more focused companies, are attempting to develop therapies for many 
of our target indications. Many of our competitors have significantly greater financial resources and expertise in research and 
development, manufacturing, preclinical testing, conducting clinical trials, obtaining regulatory approvals, prosecuting intellectual 
property rights and marketing approved products than we do. Smaller and other early stage companies may also prove to be 
significant competitors, particularly through collaborative arrangements with large and established companies. These third parties 
compete with us in recruiting and retaining qualified scientific and management personnel, establishing clinical trial sites and 
patient registration for clinical trials, as well as in acquiring technologies complementary to or necessary for our programs or 
advantageous to our business. In addition, if we obtain regulatory approvals for our product candidates, manufacturing efficiency 
and marketing capabilities are likely to be significant competitive factors. We currently rely on third party manufacturers for our 
product and all of our product candidates including the recently acquired gene therapies. Further, many of our competitors have 
substantial resources and expertise in conducting collaborative arrangements, sourcing in-licensing arrangements, manufacturing 
and acquiring new business lines or businesses that are greater than our own.

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A variety of risks associated with international operations could materially adversely affect our business.

Galafold®, and any of our other product candidates that may be approved in the future for commercialization in the EU, or in 
other foreign countries, are or will be subject to additional risks related to international operations or entering into international 
business relationships, including:

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different regulatory requirements for maintaining approval of drugs in foreign countries;

reduced protection for contractual and intellectual property rights in some countries;

unexpected changes in tariffs, trade barriers and regulatory requirements;

economic weakness, including inflation, or political instability in particular foreign economies and markets;

compliance with tax, employment, immigration and labor laws for employees living or traveling abroad;

foreign currency fluctuations, which could result in increased operating expenses and reduced revenue, and other
obligations incident to doing business in another country;

workforce uncertainty in countries where labor unrest is more common than in the U.S.;

noncompliance with the U.S. Foreign Corrupt Practices Act, the U.K. Bribery Act 2010 and similar anti-bribery
and anti-corruption laws in other jurisdictions;

tighter restrictions on privacy and the collection and use of patient data; and

business interruptions resulting from geopolitical actions, including war and terrorism, or natural disasters including
earthquakes, typhoons, floods and fires.

In addition, there are complex regulatory, tax, labor and other legal requirements imposed by both the EU and many of the 
individual countries in Europe, Asia and Latin America with which we will need to comply. Many U.S.-based biopharmaceutical 
companies have found the process of marketing their own products in Europe and other international geographies to be very 
challenging.

The impact of Brexit on our international operations is currently unknown but could have a material impact on our 
business.

In a referendum held in the UK on June 23, 2016, a majority of those voting voted for the UK to leave EU, commonly referred 
to as “Brexit”.   On March 29, 2017, the UK government delivered to the European Council notice of its intention to leave the EU 
and, in the absence of an executed withdrawal agreement with the EU, the effective date of the United Kingdom’s withdrawal 
from the EU will be March 29, 2019.  The ultimate impact of the “leave” vote will depend on the terms that are negotiated in 
relation to the UK’s future relationship with the EU.  Brexit could impair the Company’s ability to transact business in the UK 
and EU countries.  Brexit has already and could continue to adversely affect European and/or worldwide economic and market 
conditions and could continue to contribute to instability in the global financial markets.  The long-term effects of Brexit will 
depend in part on any agreements the UK makes to retain access to EU markets following the UK’s withdrawal from the EU. 
 Negotiation of the withdrawal agreement is ongoing and we have no certainty as to the future terms of the UK’s relationship with 
the EU until these negotiations have been completed.  Alternatively, negotiations may be unsuccessful and the UK may not reach 
agreement with the EU on the future terms of the UK’s relationship with the EU.  Without an agreement, there will be a period of 
considerable uncertainty particularly in relation to the financial and banking markets and the regulation of the pharmaceutical 
industry, including the regulatory approval process.  

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We  expect  that  Brexit  could  lead  to  legal  uncertainty  and  potentially  divergent  national  laws  and  regulations  as  the  UK 
determines which EU laws to replicate or replace.  If the UK were to significantly alter its regulations affecting the pharmaceutical 
industry, we could face significant new costs relating to the development, manufacture, and marketing of our current and future 
products.   It  may  also  be  time-consuming  and  expensive  for  us  to  alter  our  internal  operations  in  order  to  comply  with  new 
regulations.  Altered regulations could also add time and expense to the process by which our current product or product candidates 
receive or maintain regulatory approval in the UK and the EU.  Assuming there is no deal outlining the future relationship between 
the UK and the EU prior to March 29, 2019, the UK regulatory authority has provided some guidance on the continued availability 
of prescription drugs.  Following Brexit, approval of medications approved through the EU centralized procedure, such as Galafold®, 
will remain in effect through grandfathering.  Our international headquarters are in Marlow, UK.  Guidance from the EMA provides 
that the Company must transfer marketing authorization to a holder in the EU.  The transfer must be fully completed and implemented 
before March 30, 2019.  We are in the process of moving our regulatory portfolio to Ireland which will provide a marketing 
authorization holder in the EU.  

Among other outcomes, the withdrawal could disrupt the free movement of goods, services and people between the UK and 
the EU, and result in increased legal and regulatory complexities, as well as potential higher costs of conducting business in the 
UK and the EU.  In addition, changes to UK immigration policy as a result of Brexit could adversely affect our ability to retain 
talent for our European operations.  Given the lack of comparable precedent, it is unclear what financial, trade, regulatory, and 
legal implications the withdrawal of the UK from the EU would have and how such withdrawal would affect us.  Any of these 
effects, and others we cannot anticipate, could negatively affect our business and financial condition.

Following the receipt of marketing approval of our product or any product candidates, the products may become subject 
to unfavorable pricing regulations, third party coverage and reimbursement practices or healthcare reform initiatives, 
which would harm our business.

The regulations and practices that govern marketing approvals, pricing, commercialization, coverage and reimbursement for 
new drug products vary widely from country to country and product to product. Current and future legislation may significantly 
change the approval requirements in ways that could involve additional costs and cause delays in obtaining approvals. Some 
countries, including almost all of the member states of the European Economic Area, require approval of the sale price of a drug 
before it can be marketed. In many countries, the pricing review period begins after marketing or product licensing approval is 
granted. In some foreign markets, including the European market, prescription pharmaceutical pricing remains subject to continuing 
governmental control even after initial approval is granted. As a result, we might obtain marketing approval for a product in a 
particular country, but then be subject to price regulations that delay our commercial launch of the product, possibly for lengthy 
time periods, and negatively impact any revenues we are able to generate from the sale of the product in that country. Adverse 
pricing limitations may hinder our ability to recoup our investment in one or more product candidates, even if our product candidates 
obtain marketing approval. This is particularly true in the case of gene therapies for which payors and manufacturers must develop 
different pricing models for this growing area.  Current pricing for gene therapies may not be sustainable in the future which would 
have a negative impact on our revenues and business.

Our ability to commercialize Galafold® or any product candidate successfully also will depend in part on the extent to which 
coverage and reimbursement for these products and related treatments will be available from government health administration 
authorities, private health insurers and other organizations. Government authorities and other third party payors, such as private 
health insurers and health maintenance organizations, decide which medications they will pay for and establish reimbursement 
levels. A primary trend in the EU and U.S. healthcare industries and elsewhere is cost containment. It is currently unknown what 
impact, if any, the current administration and Congress in the U.S. will have on pricing and reimbursement, particularly with 
respect to government programs such as Medicare and Medicaid and Pharmacy Benefit Managers for commercial plans. For the 
last several years government authorities and other third party payors have attempted to control costs by limiting coverage and 
the amount of reimbursement for particular medications. 

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In March 2010, the Patient Protection and Affordable Care Act, as amended by the Health Care and Education Reconciliation 
Act, collectively the Affordable Care Act, was enacted in the U.S.  As discussed below, this legislation imposes cost-containment 
and other measures affecting the amount of reimbursement for our current and any future marketed products.  The full effects of 
this legislation depend on a number of factors, many of which are beyond our control, including new regulations and guidance 
issued by Centers for Medicare & Medicaid Services (“CMS”) and other federal and state agencies.  Some states are also considering 
legislation that would control the prices and reimbursement of prescription drugs, and state Medicaid programs are increasingly 
requesting  manufacturers  to  pay  supplemental  rebates  and  requiring  prior  authorization  by  the  state  program  for  use  of  any 
prescription drug for which supplemental rebates are not being paid.  It is likely that federal and state legislatures and health 
agencies will continue to focus on additional health care reform measures in the future that will impose additional constraints on 
prices and reimbursements for our marketed products.

Further, there have been numerous efforts at all levels of federal and state government to, among other things, bring more 
transparency to drug pricing, review the relationship between pricing and manufacturer patient programs, reduce the out-of-pocket 
cost of prescription drugs, and reform government program reimbursement methodologies for drugs.  At the federal level, the 
current administration’s budget proposal for fiscal year 2019 contains drug price control measures that could be enacted during 
the 2019 budget process or in other future legislation.  Additionally, on May 11, 2018, President Trump laid out his administration’s 
“Blueprint to Lower Drug Prices and Reduce Out-of-Pocket Costs” to reduce the cost of prescription drugs while preserving 
innovation and cures.  The Department of Health and Human Services has solicited feedback on some of these measures and may 
implement others impacting our business under its existing authority.  There have been several recent U.S.  Congressional inquiries 
and proposed legislation designed to address these issues, including legislation recently signed by President Trump to ban clauses 
in commercial health insurance that restrict pharmacists from sharing pricing information.  CMS has also proposed a series of 
policy changes designed to promote prescription drug affordability and transparency.  At the state level, legislatures are becoming 
increasingly aggressive in passing legislation and implementing regulations designed to control pharmaceutical and biological 
product  pricing,  including  price  or  patient  reimbursement  constraints,  discounts,  restrictions  on  certain  product  access,  and 
marketing cost disclosure and transparency measures.  In some cases, these measures are designed to encourage importation from 
other countries and bulk purchasing.

Prices at which we or our customers seek reimbursement for our products can be subject to challenge, reduction or denial by 
the  government  and  other  payers.  Increasingly,  third  party  payors  are  requiring  that  drug  companies  provide  them  with 
predetermined discounts from list prices and are challenging the prices charged for medical products. We cannot be sure that 
coverage and reimbursement will be available for Galafold® or any product that we commercialize, and in particular gene therapies, 
and, if coverage and reimbursement are available, the level of reimbursement. Reimbursement may impact the demand for, or the 
price of, Galafold® and any product candidate for which we obtain marketing approval. Obtaining reimbursement for our product 
candidates when approved may be particularly difficult because of the higher prices typically associated with drugs directed at 
smaller orphan populations of patients and the pricing and reimbursement of competitive products. In addition, third party payors 
are likely to impose strict requirements for reimbursement of a higher priced drug. If reimbursement is not available or is available 
only to limited levels, we may not be able to successfully commercialize any product for which we obtain marketing approval.

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Any product or product candidate for which we obtain marketing approval could be subject to restrictions or withdrawal 
from the market and we may be subject to penalties or other enforcement actions if we fail to comply with regulatory 
requirements or if we experience unanticipated problems with our product or our product candidates, when and if any 
of them are approved.

Any product or product candidate for which we obtain marketing approval, along with the manufacturing processes, post-
approval clinical data, labeling, advertising and promotional activities for such product, will be subject to continual requirements 
of and review by the FDA, EMA, PMDA and other regulatory authorities. For example, the FDA's requirements include submissions 
of safety and other post-marketing information and reports, registration requirements, Current Good Manufacturing Practices, or 
cGMP, requirements relating to manufacturing, quality control, quality assurance and complaints and corresponding maintenance 
of records and documents, requirements regarding the distribution of samples to healthcare professionals and recordkeeping. Even 
if marketing approval of a product candidate is granted, the approval may be subject to limitations on the indicated uses for which 
the product may be marketed or may be subject to significant conditions of approval, including the requirement of a REMS. The 
FDA also may impose requirements for costly post-marketing studies or clinical trials and surveillance to monitor the safety or 
efficacy of the product. The labeling, advertising, promotion, marketing and distribution of a drug or biologic product also must 
be in compliance with FDA requirements which include, among others, promotional activities, standards and regulations for direct-
to-consumer advertising, promotional activities involving the internet, and industry sponsored scientific and educational activities. 
In general, all product promotion must be consistent with the labeling approved by the FDA for such product, contain a balanced 
presentation of information on the product's uses, benefits, risks, and important safety information and limitations on use, and 
otherwise not be false or misleading. The FDA, has very broad enforcement authority, and failure to abide by these regulations 
can result in penalties, including the issuance of a warning letter directing a company to correct deviations from regulatory standards 
and enforcement actions that can include seizures, injunctions and criminal prosecution. Failure to comply with applicable FDA 
requirements and restrictions also may subject a company to adverse publicity and enforcement action by the FDA, the U.S. 
Department of Justice ("DOJ") or the Office of the Inspector General of the U.S. Department of Health and Human Services 
("HHS") as well as state authorities. This could subject the company to a range of penalties that could have a significant commercial 
impact, including civil and criminal fines and agreements that materially restrict the manner in which a company promotes or 
distributes its products.

In addition, later discovery of previously unknown adverse events or other problems with our products, manufacturers or 

manufacturing processes, or failure to comply with regulatory requirements, may yield various results, including:

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restrictions on such products, manufacturers or manufacturing processes;

changes to or restrictions on the labeling or marketing of a product;

restrictions on product distribution or use;

requirements to implement a REMS;

requirements to conduct post-marketing studies or clinical trials;

warning or untitled letters;

withdrawal of the products from the market;

refusal to approve pending applications or supplements to approved applications that we submit;

recall of products;

fines, restitution or disgorgement of profits or revenues;

suspension or withdrawal of marketing approvals;

refusal to permit the import or export of our products;

product seizure;

injunctions; or

the imposition of civil or criminal penalties.

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Non-compliance with EU requirements regarding safety monitoring or pharmacovigilance, and with requirements related to 
the development of products for the pediatric population, can also result in significant financial penalties. Similarly, failure to 
comply with the EU's requirements regarding the protection of personal information, which are effective as of May 25, 2018, can 
also lead to significant penalties and sanctions and business restrictions.

If we, or our suppliers, third party contractors, clinical investigators or collaborators are slow to adapt, or are unable to adapt, 
to changes in existing regulatory requirements or adoption of new regulatory requirements or policies, we or our collaborators 
may lose marketing approval for our products when and if any of them are approved, resulting in decreased revenue from milestones, 
product sales or royalties.

Our relationships with customers, healthcare providers, patients, patient organizations, charitable foundations and third 
party payors will be subject to applicable anti-kickback, fraud and abuse, anti-bribery and corruption and other healthcare 
laws and regulations, which could expose us to criminal sanctions, civil penalties, contractual damages, reputational 
harm and diminished profits and future earnings.

Healthcare  providers,  physicians  and  payors  play  a  primary  role  in  the  recommendation  and  prescription  of  any  product 
candidates for which we may obtain marketing approval. Increasingly, patients, patient organizations and charitable foundations 
also can influence selection of and payment for therapies. Our future arrangements with payors, healthcare providers, patient 
organizations, charitable foundations and patients may expose us to broadly applicable fraud and abuse, anti-bribery and corruption, 
and other healthcare laws and regulations that may constrain the business or financial arrangements and relationships through 
which we market, sell and distribute any product candidates for which we may obtain marketing approval. Even though we do not 
and will not control referrals of healthcare services or bill directly to Medicare, Medicaid or other third party payors, federal, state 
and foreign healthcare laws and regulations pertaining to fraud and abuse, anti-bribery and corruption, interaction with patient 
organizations, charitable foundations, and patients' rights are and will be applicable to our business. Restrictions under applicable 
federal, state and foreign healthcare laws and regulations may affect our ability to operate and expose us to areas of risk, including:

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the U.S. federal Anti-Kickback Statute, which prohibits, among other things, knowingly and willfully soliciting,
offering, receiving or providing remuneration, directly or indirectly, in cash or in kind, to induce or reward either
the referral of an individual for, or the purchase, order or recommendation of, any good or service, for which
payment may be made under federal and state healthcare programs such as Medicare and Medicaid. A person or
entity does not need to have actual knowledge of the statute or specific intent to violate it in order to have committed
a violation. Several other countries, including the United Kingdom, have enacted similar anti-kickback, fraud and
abuse, and healthcare laws and regulations;

the U.S. federal False Claims Act, which imposes criminal and civil penalties, including through civil whistleblower
or qui tam actions, against individuals or entities for knowingly presenting, or causing to be presented, to the federal
government, claims for payment that are false or fraudulent or making a false statement to avoid, decrease or
conceal an obligation to pay money to the federal government. In addition, the government may assert that a claim
including items and services resulting from a violation of the federal Anti-Kickback Statute constitutes a false or
fraudulent claim for purposes of the False Claims Act. There is also a separate false claims provision imposing
criminal penalties. Applicable regulations of both the EMA and EU member states also impose liability for failing
to comply with fraud and abuse laws or improperly using information obtained in in the course of clinical trials
with the EMA or other regulatory authorities;

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The U.S. federal Health Insurance Portability and Accountability Act of 1996 ("HIPAA") which imposes criminal
and civil liability for executing a scheme to defraud any healthcare benefit program or making false statements
relating to healthcare matters. Similar to the federal Anti-Kickback Statute, a person or entity does not need to
have actual knowledge of the statute to defraud any healthcare benefit program or specific intent to violate it in
order to have committed a violation. This statute also may impose monetary penalties on any offers or transfers
of remuneration to Medicare or Medicaid beneficiaries (patients) which is likely to influence the beneficiary's
selection of particular supplier of government payable items. Similarly, the collection and use of personal health
data in the EU is governed by the EU General Data Protection Regulation (the "GDPR"), with many requirements
mandated by the GDPR for the consent of the individuals to whom the personal data relates, the information
provided to the individuals, transfer of personal data within and outside of the EU and the security and confidentiality
of the personal data. Enforcement of the GDPR began on May 25, 2018, and failure to comply with the requirements
of  the  GDPR  may  result  in  substantial  fines  and  other  administrative  penalties.  The  GDPR  increases  our
responsibility and liability in relation to personal data that we process and we may be required to put in place
additional mechanisms ensuring compliance with the GDPR. This may be onerous and adversely affect our business,
financial condition, results of operations and prospects;

HIPAA, as amended by the Health Information Technology for Economic and Clinical Health Act of 2009, and its
implementing regulations, which also imposes obligations on certain covered entity healthcare providers, health
plans, and healthcare clearinghouses as well as their business associates that perform certain services involving
the use or disclosure of individually identifiable health information, including mandatory contractual terms, with
respect to safeguarding the privacy, security and transmission of individually identifiable health information;

U.S. federal laws requiring drug manufacturers to report annually information related to certain payments and
other  transfers  of  value  made  to  physicians  (defined  to  include  doctors,  dentists,  optometrists,  podiatrists  and
chiropractors) and teaching hospitals, as well as ownership or investment interests held by physicians and their
immediate family members, including under the federal Open Payments program, commonly known as the Sunshine
Act, as well as other state and foreign laws regulating marketing activities and requiring manufacturers to report
marketing  expenditures,  payments  and  other  transfers  of  value  to  physicians  and  other  healthcare  providers.
Similarly,  payments  made  to  physicians  in  certain  EU  member  states  must  be  publicly  disclosed.  Moreover,
agreements with physicians often must be the subject of prior notification and approval by the physician's employer,
his or her competent professional organization and/or the regulatory authorities of the individual EU member states.
These requirements are provided in the national laws, industry codes or professional codes of conduct, applicable
in the EU member states. In addition, the provision of benefits or advantages to physicians to induce or encourage
the prescription, recommendation, endorsement, purchase, supply, order or use of medicinal products is prohibited
in  the  EU.  Failure  to  comply  with  these  requirements  could  result  in  reputational  risk,  public  reprimands,
administrative penalties, fines or imprisonment;

U.S. federal government price reporting laws, which require us to calculate and report complex pricing metrics to
government programs, where such reported prices may be used in the calculation of reimbursement and/or discounts
on our marketed drugs. Participation in these programs and compliance with the applicable requirements may
subject us to potentially significant discounts on our products, increased infrastructure costs, potential liability for
the failure to report such prices in an accurate and timely manner, and potentially limit our ability to offer certain
marketplace discounts;

U.S. Foreign Corrupt Practices Act, which prohibit us and third parties working on our behalf from making payments
to foreign government officials to assist in obtaining or retaining business. Specifically, the anti-bribery provisions
of the FCPA prohibit the willful use of the mails or any means of instrumentality of interstate commerce corruptly
in furtherance of any offer, payment, promise to pay, or authorization of the payment of money or anything of
value to any person, while knowing that all or a portion of such money or thing of value will be offered, given or
promised, directly or indirectly, to a foreign official to influence the foreign official in his or her official capacity,
induce the foreign official to do or omit to do an act in violation of his or her lawful duty, or to secure any improper
advantage in order to assist in obtaining or retaining business for or with, or directing business to, any person; and

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state and foreign equivalents of each of the above laws, including foreign anti-bribery and corruption laws and
state anti-kickback and false claims laws, which may apply to sales or marketing arrangements and claims involving
healthcare items or services reimbursed by non-governmental payors, including private insurers; state laws which
require pharmaceutical companies to comply with the pharmaceutical industry's voluntary compliance guidelines
and the relevant compliance guidance promulgated by the federal government or otherwise restricting payments
that may be made to healthcare providers; and state and foreign laws governing the privacy and security of health
information in certain circumstances, many of which differ from each other in significant ways and often are not
preempted by HIPAA, thus complicating compliance efforts.

While we do not submit claims and our customers will make the ultimate decision on how to submit claims, in the U.S. we 
may provide reimbursement guidance and support regarding Galafold®, and our other product candidates for which we receive 
regulatory approval, to our customers and patients. If a government authority were to conclude that we provided improper advice 
to  our  customers  and  patients  and/or  encouraged  the  submission  of  false  claims  for  reimbursement,  we  could  face  action  by 
government authorities. Similarly, if a government authority were to conclude that our patient support efforts or interactions with 
charitable  foundations  were  improper,  we  could  face  action  by  government  authorities.  Efforts  to  ensure  that  our  business 
arrangements  with  third  parties  will  comply  with  applicable  healthcare  laws  and  regulations  will  involve  substantial  costs. 
Nonetheless, it is possible that governmental authorities will conclude that our business practices may not comply with current or 
future  statutes,  regulations  or  case  law  involving  applicable  fraud  and  abuse  or  other  healthcare  laws  and  regulations.  If  our 
operations are found to be in violation of any of these laws or any other governmental regulations that may apply to us, we may 
be subject to significant civil, criminal and administrative penalties, damages, fines, imprisonment, exclusion from participation 
in government funded healthcare programs, such as Medicare and Medicaid, and the curtailment or restructuring of our operations.

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

In the U.S. and some foreign jurisdictions, there have been a number of legislative and regulatory changes and proposed 
changes regarding the healthcare system that could prevent or delay marketing approval of our product candidates, restrict or 
regulate post-approval activities and affect our ability to profitably sell Galafold® or any product candidates for which we obtain 
marketing approval.

In the U.S., the Medicare Prescription Drug, Improvement, and Modernization Act of 2003, or Medicare Modernization Act, 
changed the way Medicare covers and pays for pharmaceutical products. The legislation expanded Medicare coverage for drug 
purchases by the elderly and introduced a new reimbursement methodology based on average sales prices for physician administered 
drugs. In addition, this legislation provided authority for limiting the number of drugs that will be covered in any therapeutic class. 
Cost reduction initiatives and other provisions of this legislation could decrease the coverage and price that we receive for any 
approved products. While the Medicare Modernization Act applies only to drug benefits for Medicare beneficiaries, private payors 
often follow Medicare coverage policy and payment limitations in setting their own reimbursement rates. Therefore, any reduction 
in reimbursement that results from the Medicare Modernization Act may result in a similar reduction in payments from private 
payors.

The pricing of pharmaceutical products, in general, and specialty drugs, in particular, has also been a topic of concern in the 
U.S. government, including by the current administration and Congress. There can be no assurance as to how this scrutiny on 
pricing of pharmaceutical products will impact future pricing of our products or orphan drugs or pharmaceutical products generally 
and government programs in particular.

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In March 2010, President Obama signed into law the Patient Protection and Affordable Care Act, as amended by the Health 
Care and Education Reconciliation Act, or collectively, the Affordable Care Act, a sweeping law intended to broaden access to 
health insurance, reduce or constrain the growth of healthcare spending, enhance remedies against fraud and abuse, add new 
transparency requirements for health care and health insurance industries, impose new taxes and fees on the health industry and 
impose additional health policy reforms. Effective October 1, 2010, the Affordable Care Act revised the definition of "average 
manufacturer price" for reporting purposes, which could increase the amount of Medicaid drug rebates to states. Further, the new 
law imposes a significant annual fee on companies that manufacture or import branded prescription drug products. A significant 
number of provisions are not yet, or have only recently become, effective, but the Affordable Care Act is likely to continue the 
downward pressure on pharmaceutical pricing, especially under the Medicare program, and may also increase our regulatory 
burdens and operating costs. We expect that the Affordable Care Act, as well as other healthcare reform measures that have been 
and may be adopted in the future, may result in more rigorous coverage criteria, new payment methodologies and in additional 
downward pressure on the price that we receive for any approved product, and could seriously harm our future revenues. Any 
reduction in reimbursement from Medicare or other government programs may result in a similar reduction in payments from 
private payors. The implementation of cost containment measures or other healthcare reforms may compromise our ability to 
generate  revenue,  attain  profitability  or  commercialize  our  products.  Finally,  there  have  been  significant  efforts  to  modify  or 
eliminate the ACA. For example, the Tax Cuts and Jobs Act enacted on December 22, 2017 repealed the shared responsibility 
payment for individuals who fail to maintain minimum essential coverage under section 5000A of the Internal Revenue Code, 
commonly referred to as the individual mandate, beginning in 2019. The Joint Committee on Taxation estimates that the repeal 
will result in over 13 million Americans losing their health insurance coverage over the next ten years and is likely to lead to 
increases in insurance premiums. Further legislative changes to and regulatory changes under the ACA remain possible. It is 
unknown what form any such changes or any law proposed to replace the ACA would take, and how or whether it may affect our 
business in the future.

In August  2017,  President Trump  signed  into  law  the  Food &  Drug Administration  Reauthorization Act  (FDARA). This 
legislation imposes significant new requirements for clinical trial sponsors which will affect, among other things, obtaining orphan 
drug designation, and the development of drugs and biological products for pediatric use. Galafold® and ATB200/AT2221 have 
obtained orphan drug designations from the FDA, but this legislation may result in new regulations which might materially impact 
our business.

Legislative and regulatory proposals have been made to expand post-approval requirements and restrict sales and promotional 
activities for pharmaceutical products. We cannot be sure whether additional legislative changes will be enacted, or whether the 
FDA regulations, guidance or interpretations will be changed, or what the impact of such changes on the marketing approvals of 
our product candidates, if any, may be. In addition, increased scrutiny by the U.S. Congress of the FDA's approval process may 
significantly delay or prevent marketing approval, as well as subject us to more stringent product labeling and post-marketing 
testing and other requirements.

In the EU, similar political, economic and regulatory developments may affect our ability to profitably commercialize our 
products. In addition to continuing pressure on prices and cost containment measures, legislative developments at the EU or member 
state level may result in significant additional requirements or obstacles that may increase our operating costs.

The FDA and other regulatory agencies actively enforce the laws and regulations prohibiting the promotion of off-label 
uses. If we are found to have promoted off-label uses, we may become subject to significant liability.

The FDA and other regulatory agencies strictly regulate the promotional claims that may be made about prescription drug 
products. In particular, a product may not be promoted in the U.S. for uses that are not approved by the FDA as reflected in the 
product's approved labeling. In particular, any labeling approved by the FDA for Galafold® or any of our other product candidates 
may include restrictions on use. The FDA may impose further requirements or restrictions on the distribution or use of any of our 
other product candidates as part of a REMS plan. Physicians may nevertheless prescribe such products to their patients in a manner 
that is inconsistent with the approved label. If we are found to have promoted such off-label uses, we may become subject to 
significant liability. The federal government has levied large civil and criminal fines and / or other penalties against companies 
for alleged improper promotion and has investigated and / or prosecuted several companies in relation to off-label promotion. The 
FDA  has  also  requested  that  certain  companies  enter  into  consent  decrees  or  permanent  injunctions  under  which  specified 
promotional conduct is changed, curtailed or prohibited.

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Product liability lawsuits against us could cause us to incur substantial liabilities and to limit commercialization of any 
products that we may develop.

We face an inherent risk of product liability exposure related to the testing of our product candidates in human clinical trials 
and will face an even greater risk when we commercially sell any products that we develop, including those which may arise from 
misuse or malfunction of, or design flaws in, such products, whether or not such problems directly relate to the products and 
services we have provided. If we cannot successfully defend ourselves against claims that our product candidates or products 
caused injuries, we will incur substantial liabilities. Regardless of merit or eventual outcome, liability claims may result in:

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reduced resources of our management to pursue our business strategy;

decreased demand for any product candidates or products that we may develop;

injury to our reputation and significant negative media attention;

regulatory  investigations,  prosecutions  or  enforcement  actions  that  could  require  costly  recalls  or  product
modifications;

withdrawal of clinical trial participants;

significant costs to defend the related litigation;

increased insurance costs, or an inability to maintain appropriate insurance coverage;

substantial monetary awards to trial participants or patients, including awards that substantially exceed our product
liability insurance, which we would then be required to pay from other sources, if available, and would damage
our ability to obtain liability insurance at reasonable costs, or at all, in the future;

loss of revenue; and

the inability to commercialize any products that we may develop.

The amount of insurance that we currently hold may not be adequate to cover all liabilities that we may incur. We have 
increased our insurance coverage for the commercialization of Galafold® and may increase insurance coverage when, and if, we 
begin commercializing any other product candidate that receives marketing approval. Insurance coverage is increasingly expensive. 
We may not be able to maintain insurance coverage at a reasonable cost or in an amount adequate to satisfy any liability that may 
arise. On occasion, large judgments have been awarded in lawsuits based on drugs that had unanticipated side effects. A successful 
product liability claim or a series of claims brought against us could cause our stock price to fall and, if judgments exceed our 
insurance coverage, could decrease our available cash and adversely affect our business.

If the FDA or other applicable regulatory authorities approve generic or biosimiliar products with claims that compete 
with our product or any of our product candidates, it could reduce our sales of our product or those product candidates.

In the United States, after an NDA is approved, the product covered thereby becomes a "listed drug" which can, in turn, be 
cited by potential competitors in support of approval of an abbreviated NDA, or ANDA. The Federal Food, Drug, and Cosmetic 
Act, or the FD&C Act, FDA regulations and other applicable regulations and policies provide incentives to manufacturers to create 
modified, non-infringing versions of a drug to facilitate the approval of an ANDA or other application for generic substitutes. 
These manufacturers might only be required to conduct a relatively inexpensive study to show that their product has the same 
active ingredients, dosage form, strength, route of administration, and conditions of use, or product labeling, as our product or 
product candidate and that the generic product is absorbed in the body at the same rate and to the same extent as, or is bioequivalent 
to, our product or product candidate. These generic equivalents would be significantly less costly than ours to bring to market and 
companies that produce generic equivalents are generally able to offer their products at lower prices. Thus, after the introduction 
of a generic competitor, a significant percentage of the sales of any branded product are typically lost to the generic product. 
Accordingly, competition from generic equivalents to our product or product candidates would substantially limit our ability to 
generate revenues and therefore to obtain a return on the investments we have made in our product or product candidates.

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The Biologics Price Competition and Innovation Act, or BPCIA, was enacted as part of the Patient Protection and Affordable 
Care Act of 2010, or the ACA, Pub. L. No. 111-148 (2010). The BPCIA authorizes the FDA to approve "abbreviated" BLAs for 
products whose sponsors demonstrate they are "biosimilar" to reference products previously approved under BLAs. The FDA may 
also separately determine whether "biosimilar" products are "interchangeable" with their reference products. However, the FDA 
may not approve an "abbreviated" BLA for a biosimilar product until at least twelve years after the date on which the BLA for the 
reference product was approved. FDA approval could be further delayed if the reference products are subject to unexpired and 
otherwise valid patents.

Prior to the enactment of the BPCIA, information in approved BLAs could not be relied upon by other manufacturers to 
establish the safety and efficacy of their products for which they were seeking FDA approval. Accordingly, if our products are 
approved under a BLA, other manufacturers potentially could develop and seek FDA approval of "biosimilar" products at some 
point in the future, including a biosimilar of AT-GAA.

Our gene therapy product candidates are based on novel technologies, which makes it difficult to predict the time and 
cost of product candidate development and subsequently obtaining regulatory approval.

Only a few gene therapy products have been approved in the U.S. and EU. We have recently acquired the rights to 14 gene 
therapies and are focusing a substantial effort in our research and development efforts on these gene therapy platforms, and our 
future  success  depends  on  the  successful  development  of  these  therapeutic  approaches.  There  can  be  no  assurance  that  any 
development problems we experience in the future related to our gene therapies will not cause significant delays or unanticipated 
costs, or that such development problems can be solved. In addition, the clinical study requirements of the FDA, the EMA, and 
other regulatory agencies and the criteria these regulators use to determine the safety and efficacy of a product candidate vary 
substantially according to the type, complexity, novelty and intended use and market of the potential products. The regulatory 
approval process for novel product candidates such as our gene therapies can be more expensive and take longer than for other, 
better known or more extensively studied pharmaceutical or other product candidates. Currently, only a few gene therapy products 
have been approved in the Western world, including Spark’s gene therapy product, which received approval from the FDA in 2017, 
GlaxoSmithKline’s Strimvelis, and Novartis’s and Gilead’s CAR-T therapies, which received approval from the FDA in 2017. 
Given the few precedents of approved gene therapy products, it is difficult to determine how long it will take or how much it will 
cost to obtain regulatory approvals for our product candidates in the U.S., the EU or other jurisdictions. Approvals by the EMA 
and the European Commission may not be indicative of what the FDA may require for approval. Regulatory requirements governing 
gene and cell therapy products have evolved and may continue to change in the future. For example, the FDA has established the 
Office of Cellular, Tissue and Gene Therapies within its Center for Biologics Evaluation and Research, or CBER, to consolidate 
the review of gene therapy and related products, and the Cellular, Tissue and Gene Therapies Advisory Committee to advise CBER 
on its review. In addition, the FDA can put an investigational new drug application, or IND, on clinical hold if the information in 
an IND is not sufficient to assess the risks in pediatric patients. Before a clinical study can begin at any institution, that institution’s 
institutional review board, or IRB, and its Institutional Biosafety Committee will have to review the proposed clinical study to 
assess the safety of the study. Moreover, serious adverse events or developments in clinical trials of gene therapy product candidates 
conducted by others may cause the FDA or other regulatory bodies to initiate a clinical hold on our clinical trials or otherwise 
change the requirements for approval of any of our product candidates. These regulatory review agencies, committees and advisory 
groups and the new requirements and guidelines they promulgate may lengthen the regulatory review process, require us to perform 
additional or larger studies, increase our development costs, lead to changes in regulatory positions and interpretations, delay or 
prevent approval and commercialization of these treatment candidates or lead to significant post-approval studies, limitations or 
restrictions. As we advance our product candidates, we will be required to consult with these regulatory and advisory groups and 
comply with applicable requirements and guidelines. If we fail to do so, we may be required to delay or discontinue development 
of our product candidates. Delay or failure to obtain, or unexpected costs in obtaining, the regulatory approval necessary to bring 
a potential product to market could decrease our ability to generate sufficient product revenue to maintain our business. 

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We may encounter difficulties manufacturing our gene therapy which could impact timing and availability of clinical 
and commercial supply.

We  may  experience  delays  in  developing  a  sustainable,  reproducible  and  commercial-scale  manufacturing  process  or 
transferring that process to commercial partners. There is intense competition for limited commercial manufacturing capacity in 
gene therapy and for base materials, such as plasmids, necessary to the manufacturing of gene therapy products. Any delay in 
securing supply of these materials and the manufacturing slots with commercial partners may prevent us from completing our 
clinical studies or commercializing our products on a timely or profitable basis, if at all.

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

In connection with seeking marketing approval from regulatory authorities for the sale of any product candidate, we must 
complete preclinical development and then conduct extensive clinical trials to demonstrate the safety and efficacy of our product 
candidates in humans. Clinical testing is expensive, difficult to design and implement, can take many years to complete, and is 
uncertain as to outcome. A failure of one or more clinical trials can occur at any stage of testing. The outcome of preclinical testing 
and early clinical trials may not be predictive of the success of later clinical trials, and interim results of a clinical trial do not 
necessarily predict final results. Moreover, preclinical and clinical data are often susceptible to varying interpretations and analyses, 
and many companies that have believed their product candidates performed satisfactorily in preclinical studies and clinical trials 
have nonetheless failed to obtain marketing approval of their products.

For example, the regulatory pathways for gene therapies are evolving. In some cases, the FDA will approve gene therapies 
based on Phase 2 clinical trial data. If, however, the FDA decides we need to complete Phase 3 clinical trial(s), we may need to 
expend significantly more capital to pursue FDA approval of gene therapies. If we are required to conduct additional clinical trials 
or other testing of our product candidates, including gene therapies, that we develop beyond those tests and trials that we contemplate; 
if we are unable to successfully complete our clinical trials or other testing; if the results of these trials or tests are not positive or 
are only modestly positive; or if there are safety concerns, we may:

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choose not to seek regulatory approval in the U.S., EU or other key jurisdictions;

be delayed in obtaining marketing approval for our product candidates;

not obtain marketing approval at all;

obtain approval for indications or patient populations that are not as broad as intended or desired;

obtain approval with labeling that includes significant use or distribution restrictions or safety warnings, including
boxed warnings;

be subject to additional post-marketing testing requirements, safety strategies or restrictions, such as a requirement
of a risk evaluation and mitigation strategy, or REMS; or

have the product removed from the market after obtaining regulatory approval.

If we experience any of a number of possible unforeseen events in connection with our clinical trials, potential regulatory 
approval or commercialization of our product candidates could be delayed or prevented.

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

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

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

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

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we may be unable to enroll a sufficient number of patients in our trials to ensure adequate statistical power to detect
any statistically significant treatment effects;

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

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

we may have delays in reaching or fail to reach agreement on acceptable clinical trial contracts or clinical trial
protocols with prospective trial sites;

we may have to suspend or terminate clinical trials of our product candidates for various reasons, including a
finding that the participants are being exposed to unacceptable health risks;

regulators, institutional review boards, or independent ethics committees may require that we or our investigators
suspend or terminate clinical research for various reasons, including noncompliance with regulatory requirements
or a finding that the participants are being exposed to unacceptable health risks;

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

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

our product candidates may have undesirable side effects or other unexpected characteristics, causing us or our
investigators, regulators, institutional review boards or independent ethics committees to suspend or terminate the
trials.

Our product development costs will increase if we experience delays in testing or regulatory approvals. We do not know 
whether any preclinical tests or clinical trials will begin as planned, will need to be restructured or will be completed on schedule, 
or at all. Significant preclinical study or clinical trial delays also could shorten any periods during which we may have the exclusive 
right to commercialize our product candidates, allow our competitors to bring products to market before we do, or impair our 
ability to successfully commercialize our product candidates, and so may harm our business and results of operations.

If we experience delays or difficulties in the enrollment of patients in our clinical trials, our receipt of necessary regulatory 
approvals could be delayed or prevented.

We may not be able to initiate or continue clinical trials for our product candidates if we are unable to locate and enroll a 
sufficient number of eligible patients to participate in these trials, including the current AT-GAA PROPEL study, the CLN-6 study 
and the CLN-3 study and other studies we may initiate. Each of the diseases that our lead product candidates are intended to treat 
are characterized by small patient populations, which could result in slow enrollment of clinical trial participants. In addition, our 
competitors have ongoing clinical trials for product candidates that could be competitive with our product candidates. As a result, 
potential clinical trial sites may elect to dedicate their limited resources to participation in our competitors' clinical trials and not 
ours, and patients who would otherwise be eligible for our clinical trials may instead enroll in clinical trials of our competitors' 
product candidates.

Patient enrollment is affected by other factors including:

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severity of the disease under investigation;

eligibility criteria for the clinical trial in question;

perceived risks and benefits of the product candidate under study;

efforts to facilitate timely enrollment in clinical trials;

patient referral practices of physicians;

the ability to monitor patients adequately during and after treatment; and

proximity and availability of clinical trial sites for prospective patients.

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Enrollment delays in our clinical trials may result in increased development costs for our product candidates, which would 
cause the value of the company to decline and limit our ability to obtain additional financing. Our inability to enroll a sufficient 
number of patients in any of our clinical trials would result in significant delays or may require us to abandon one or more clinical 
trials altogether.

We may expend our limited resources to pursue a particular product, product candidate or indication and fail to capitalize 
on a product, product candidates or indications that may be more profitable or for which there is a greater likelihood of 
success.

Because we have limited financial and managerial resources, we focus on research programs and product candidates for 
specific indications. As a result, we may forego or delay pursuit of opportunities with other product candidates or for other indications 
that later prove to have greater commercial potential. Our resource allocation decisions may cause us to fail to capitalize on viable 
commercial products or profitable market opportunities. Our spending on current and future research and development programs 
and product candidates for specific indications may not yield any commercially viable products.

We have historically based our research and development efforts on our CHART® platform technologies to develop next-
generation ERT products for Fabry, Pompe, and other LSDs, and have advanced our next generation ERT for Pompe to the clinic. 
In 2018 we also made a significant investment in potential gene therapies for Fabry, Pompe, CDD, Batten’s disease and other 
LSDs. Notwithstanding our large investment in gene therapies and Pompe ERT to date and anticipated future expenditures in 
related proprietary technologies, we have not yet developed, and may never successfully develop, any marketed drugs using these 
approaches. As a result of pursuing the development of our product and product candidates using our proprietary and licensed 
technologies, we may fail to develop products or product candidates or address indications based on other scientific approaches 
that may offer greater commercial potential or for which there is a greater likelihood of success. Research programs to identify 
new product candidates require substantial technical, financial and human resources. These research programs may initially show 
promise in identifying potential product candidates, yet fail to yield product candidates for clinical development.

Initial results from a clinical trial do not ensure that the trial will be successful and success in preclinical or early stage 
clinical trials does not ensure success in later-stage clinical trials.

We will only obtain regulatory approval to commercialize a product candidate if we can demonstrate to the satisfaction of the 
FDA or the applicable non-U.S. regulatory authority, in well-designed and conducted clinical trials, that the product candidate is 
safe and effective and otherwise meets the appropriate standards required for approval for a particular indication. Clinical trials 
are lengthy, complex and extremely expensive processes with uncertain results. A failure of one or more of our clinical trials may 
occur at any stage of testing.

Success in preclinical testing and early clinical trials does not ensure that later clinical trials will be successful. Our product 
candidates  may  fail  to  show  the  desired  safety  and  efficacy  in  clinical  development  despite  demonstrating  positive  results  in 
preclinical studies or having successfully advanced through initial clinical trials or preliminary stages of clinical trials.  For some 
of our product candidates, we have no safety or efficacy data in humans.  There can be no assurance that the results seen in 
preclinical studies for any product candidates will result in success in clinical trials.  When administered in humans, the product 
candidates  may  perform  differently  than  in  preclinical  studies.    Product  candidates  may  demonstrate  different  chemical  and 
pharmacological properties in patients than they do in laboratory studies or animal studies, and may interact with human biological 
systems in unforeseen, ineffective or harmful ways.  We may be unable to generate sufficient preclinical, toxicology, or other in 
vivo or in vitro data to support the initiation or continuation of clinical trials.

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Initial results from a clinical trial do not necessarily predict final results. We cannot be assured that these trials will ultimately 
be successful. In addition, patients may not be compliant with their dosing regimen or trial protocols or they may withdraw from 
the clinical trial at any time for any reason. For example, we recently reported data from a Phase 1/2 clinical trial of AT-GAA 
(ATB200/AT2221) in Pompe disease. The data is based on a small patient sample and reported before completion of the study and 
therefore may not be predictive of future results. The results of additional preliminary data or data from the completed study or 
any future study may not yield results that are consistent with the data presented. Later study results may not support further 
development, or even if such later results are favorable, we may not be able to successfully complete the development of, obtain 
accelerated,  conditional  or  standard  regulatory  approval  for,  or  successfully  commercialize AT-GAA.    Similarly,  we  recently 
reported preliminary results from initial patients in the CLN-6 trial.  Results from these initial patients may not be predictive of 
results of the full data set, we may not be able to demonstrate safety and efficacy and the FDA, EMA and other regulatory authorities 
may not accept this data as sufficient for approval. In addition, while the clinical trials of our product candidates are designed 
based on the available relevant information, in view of the uncertainties inherent in drug development, such clinical trials may not 
be designed with focus on indications, patient populations, dosing regimens, safety or efficacy parameters or other variables that 
will provide the necessary safety or efficacy data to support regulatory approval to commercialize the resulting product candidates. 
This is particularly the case for emerging gene therapies where we do not yet have a defined regulatory pathway and there can be 
no assurance that regulators in the U.S., EU, Japan or other jurisdictions will accept the existing CLN-6, CLN-3 or other gene 
therapy clinical data sets for approval and without additional clinical trials or that future trials will support approvals. In addition, 
individual patient responses to the dose administered of a product candidate may vary in a manner that is difficult to predict. Also, 
the methods we select to assess particular safety or efficacy parameters may not yield statistical precision in estimating our product 
candidates' effects on study participants. Even if we believe the data collected from clinical trials of our product candidates are 
promising, these data may not be sufficient to support approval by the FDA or foreign regulatory authorities. Preclinical and clinical 
data can be interpreted in different ways. Accordingly, the FDA or foreign regulatory authorities could interpret these data in 
different ways from us or our partners, which could delay, limit or prevent regulatory approval.

In addition, certain of our product candidates are based on gene therapy technology. The product candidates in our gene therapy 
program are being developed for the treatment of diseases in which there is little clinical experience, which increases the difficulty 
in selecting appropriate endpoints and the risk that regulatory authorities may not consider the endpoints of clinical trials to provide 
clinically meaningful results. As a result, if the FDA requires different endpoints than the endpoints we anticipate using or have 
used in our clinical trials, or a different analysis of those endpoints, it may be more difficult for us to obtain, or we may be delayed 
in obtaining, FDA approval of our product candidates. If we are not successful in commercializing any of our products or product 
candidates, or are significantly delayed in doing so, our business will be materially harmed.

We may not be able to obtain or maintain orphan drug exclusivity for our product or product candidates. If our competitors 
are able to obtain orphan drug exclusivity for their products, we may not be able to have competing products approved 
by the applicable regulatory authority for a significant period of time.

Regulatory authorities in some jurisdictions, including the EU and the U.S., may designate drugs for relatively small patient 
populations as orphan drugs. We obtained orphan drug designations from the FDA for Galafold® for the treatment of Fabry disease 
in February 2004. We also obtained orphan medicinal product designation in the EU for Galafold® in May 2006. AT-GAA has also 
received this designation from the FDA. Generally, if a product with an orphan drug designation subsequently receives the first 
marketing approval for the indication for which it has such designation, the product is entitled to a period of market exclusivity, 
which, subject to certain exceptions, precludes the EMA from approving another marketing application for a similar medicinal 
product or the FDA from approving another marketing application for the same drug for the same indication for that time period. 
The applicable market exclusivity period for orphan drugs is ten years in the EU and seven years in the U.S. The EU exclusivity 
period can be reduced to six years if a drug no longer meets the criteria for orphan drug designation, including if the drug is 
sufficiently profitable so that market exclusivity is no longer justified.

In the EU, a "similar medicinal product" is a medicinal product containing a similar active substance or substances as contained 
in a currently authorized orphan medicinal product, and which is intended for the same therapeutic indication. For a drug such as 
Galafold®, which is composed of small molecules, the FDA defines "same drug" as a drug that contains the same active moiety 
and is intended for the same use. Obtaining orphan drug exclusivity for our product candidates, both in the EU and in the U.S., 
may be important to the product candidate's and our CHART® program's success. If a competitor obtains orphan drug exclusivity 
for and approval of a product with the same indications as our product candidates as before we do and if the competitor's product 
is the same drug or a similar medicinal product as ours, we could be excluded from the market for a certain period of time.

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Even if we obtain orphan drug exclusivity for other product candidates in these indications, we may not be able to maintain 
it. For example, if a competitive product that is the same drug or a similar medicinal product as our product or product candidate 
is shown to be clinically superior to our product or product candidate, as applicable, any orphan drug exclusivity we have obtained 
will not block the approval of such competitive product. In addition, orphan drug exclusivity will not prevent the approval of a 
product that is the same drug as our product or product candidate if the FDA finds that we cannot assure the availability of sufficient 
quantities of the drug to meet the needs of the persons with the disease or condition for which the drug was designated.

The  FDA  Reauthorization Act,  signed  into  law  in August  2017,  authorizes  the  FDA  to  impose  additional  clinical  trial 
requirements on manufacturers seeking orphan drug designation and/or pediatric indications. Galafold® and ATB200/AT2221 have 
obtained  orphan  drug  designations  from  the  FDA. The  impact,  however,  of  future  regulations  on  other  product  candidates  is 
uncertain and could result in the need for additional clinical trials.

Failure to obtain or maintain regulatory approval in foreign jurisdictions would prevent us from marketing our products 
abroad.

In order to market and sell our products in the EU and many other jurisdictions, we must obtain separate marketing approvals 
and comply with numerous and varying regulatory requirements. The approval procedure varies among countries and can involve 
additional testing. The time required to obtain approval may differ from that required to obtain FDA approval. The regulatory 
approval process outside the U.S. generally includes all of the risks associated with obtaining FDA approval. In addition, some 
countries outside the U.S. require approval of the sales price of a drug before it can be marketed. In many countries, separate 
procedures must be followed to obtain reimbursement. We may not obtain marketing, pricing or reimbursement approvals outside 
the U.S. on a timely basis, if at all. Approval by the FDA does not ensure approval by regulatory authorities in other countries or 
jurisdictions, and approval by one regulatory authority outside the U.S. does not ensure approval by regulatory authorities in other 
countries or jurisdictions or by the FDA. We may not be able to file for marketing approvals and may not receive necessary 
approvals to commercialize our products in any market. Regulatory approvals in countries outside the U.S. do not ensure pricing 
approvals  in  those  countries  or  in  any  other  countries,  and  regulatory  approvals  and  pricing  approvals  do  not  ensure  that 
reimbursement will be obtained.

Risks Related to Our Financial Position and Need for Additional Capital

We have incurred significant losses since our inception and anticipate that we will continue to incur losses in the future.

To date, we have focused on developing and commercializing our first product, Galafold®, and our pipeline product AT-GAA 
as well as our recently acquired gene therapies. Investment in pharmaceutical product development is highly speculative because 
it entails substantial upfront capital expenditures and significant risk that a product candidate will fail to gain regulatory approval 
or become commercially viable. Although the European Commission, PMDA and FDA have granted approval for Galafold®, for 
the treatment of adults with a confirmed diagnosis of Fabry disease and who have an amenable genetic variant, and we are generating 
product sales, we continue to incur significant research, development, commercialization and other expenses related to our ongoing 
operations. As a result, we are not profitable and have incurred losses in each period since our inception. For the year ended 
December 31, 2018, we have a net loss of $349.0 million, and we have an accumulated deficit of $1.4 billion at December 31, 
2018.

We expect to continue to incur losses for the foreseeable future, and we expect these losses to increase as we:

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continue our development and commercialization of, and seek regulatory approvals for, product candidates in the
U.S., the EU, Japan and other foreign countries, as applicable;

conduct additional clinical trials to support the full approval of Galafold® in the U.S. and post-approval commitments
or trials;

continue communicating with the EMA, as necessary, regarding post-marketing requirements and clinical trials
for Galafold®;

continue to or initiate the regulatory submission process for marketing approval of Galafold® outside of the U.S.
and EU, as applicable;

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build and maintain our commercial infrastructure so that it is capable of supporting product sales, marketing and
distribution of Galafold®  and our other product candidates in the EU, Japan and the U.S. or other territories in
which we may receive regulatory approval;

continue wind-down of our Phase 3 clinical trial of SD-101 for the treatment of EB;

continue our preclinical studies and clinical trials on the use of AT-GAA for Pompe disease and our gene therapies
for Fabry, Pompe, Batten’s and other LSDs; and

continue our preclinical studies of and potentially conduct clinical studies of ERT and gene therapy for CDD.

We may encounter unforeseen expenses, difficulties, complications, delays, and other unknown factors that may adversely 
affect our business. The size of our future losses will depend, in part, on the rate of future growth of our expenses and our ability 
to generate revenues. If any of our product candidates fails in clinical trials or does not gain regulatory approval, or if approved, 
fails to achieve market acceptance, we may never become profitable. Even if we achieve profitability in the future, we may not 
be able to sustain profitability in subsequent periods. Our prior losses and expected future losses have had and will continue to 
have an adverse effect on our stockholders' equity and working capital.

We currently generate limited revenue from the sale of products and may never become profitable.

We began the commercial launch of our first product, Galafold®, in May 2016, with the U.S. and Japan commercial launches 
in 2018. Accordingly, we have only generated limited revenue from product sales. Our ability to generate material revenue and 
become profitable depends upon our ability to successfully commercialize our existing product and product candidates, or product 
candidates that we may in-license or acquire in the future. Even if we are able to successfully achieve regulatory approval for our 
product candidates, we do not know when any of these product candidates will generate revenue for us, if at all and we may not 
meet our current revenue guidance. Our ability to generate revenue from our current or future product and product candidates 
depends on a number of factors, including our ability to:

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successfully  complete  development  activities  and  obtain  additional  regulatory  and  pricing  and  reimbursement
approvals for, and successfully commercialize, Galafold®;

develop and maintain a commercial organization capable of sales, marketing, and distribution for Galafold® and
any product candidates we intend to market, in the countries where we have chosen to commercialize the product
candidates ourselves including the U.S. and Japan;

manufacture commercial quantities of our products at acceptable cost levels;

obtain a commercially viable price for our products;

obtain coverage and adequate reimbursement from third-parties, including government payors;

successfully satisfy post-marketing requirements that the FDA, EMA, or other foreign regulatory authorities may
impose for migalastat HCl or any of our other product candidates that may receive regulatory approval, including
pediatric trials and patient registries;

successfully complete development activities, including the necessary preclinical studies and clinical trials, with
respect to product candidates, including  AT-GAA and our gene therapies;

complete and submit regulatory submissions to the FDA and obtain regulatory approval for our product candidates
including AT-GAA and our gene therapies; and

complete and submit applications to, and obtain regulatory approval from, foreign regulatory authorities.

In addition, because of the numerous risks and uncertainties associated with product development, including that our product 
candidates may not advance through development or achieve the safety and efficacy endpoints of applicable clinical trials, we are 
unable to predict the timing or amount of increased expenses, or when or if we will be able to achieve or maintain profitability. 
Furthermore, we anticipate incurring significant costs associated with commercializing these products.

Even if we are able to generate significant revenues from the sale of our products, we may not become profitable and may 
need to obtain additional funding to continue operations. If we fail to become profitable or are unable to sustain profitability on a 
continuing basis, then we may be unable to continue our operations at planned levels and be forced to reduce our operations.

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If we require substantial additional capital to fund our operations and we fail to obtain necessary financing, we may be 
unable to complete the development and commercialization of our product and development and commercialization of 
our product candidates.

Our operations have consumed substantial amounts of cash. We expect to continue to spend substantial amounts to advance 
the clinical development of our product candidates, and launch and commercialize our product and product candidates for which 
we may receive regulatory approval, including continuing to build our own commercial organization. We believe that our current 
cash position, including proceeds from the recent Pharmakon Debt Financing (as defined below) and expected Galafold® revenues, 
is  sufficient  to  fund  ongoing  Fabry  and  Pompe  program  operations  into  at  least  2021.  Potential  future  business  development 
collaborations, pipeline expansion, and investment in biologics or gene therapy manufacturing capabilities could impact our future 
capital requirements. However, we may require substantial additional capital for the development and commercialization of our 
product and further development and commercialization of our product candidates.

We cannot be certain that additional funding will be available on acceptable terms, or at all. If we are unable to raise additional 

capital in sufficient amounts, when required or on acceptable terms, we could also be required to:

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significantly delay, scale back, or discontinue the development or the commercialization of our product or product
candidates or one or more of our other research and development initiatives;

seek collaborators for Galafold® or one or more of our current or future product candidates at an earlier stage than
otherwise would be desirable, or on terms that are less favorable than might otherwise be available;

relinquish or license on unfavorable terms our rights to our technologies, product or product candidates that we
otherwise would seek to develop or commercialize ourselves; or

significantly curtail operations.

Our forecast of the period of time through which our financial resources will be adequate to support our operations is a forward-
looking statement and involves risks and uncertainties, and actual results could vary as a result of a number of factors, including 
the factors discussed elsewhere in this "Risk Factors" section. We have based this estimate on assumptions that may prove to be 
wrong, and we could utilize our available capital resources sooner than we currently expect. Our future funding requirements, 
both near and long-term, will depend on many factors, including, but not limited to:

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the costs of commercialization activities, including maintaining sales, marketing, and distribution capabilities for
Galafold® and any product candidates for which we may receive regulatory approval in regions where we choose
to commercialize our products on our own;

the scope, progress, results, and costs of preclinical development, laboratory testing, and clinical trials for our
product candidates and any other product candidates that we may in-license or acquire;

the cost of manufacturing drug supply for our preclinical studies and clinical trials, including the significant cost
of manufacturing AT-GAA and our gene therapies;

the cost of transferring manufacturing technologies for our gene therapies to CMOs;

the outcome, timing, and cost of the regulatory approval process by the FDA, EMA, PMDA and other foreign
regulatory authorities, including the potential for regulatory authorities to require that we perform more studies
than those that we currently anticipate for our product and product candidates;

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

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

the cost of defending any claims asserted against us;

the emergence of competing technologies and other adverse market developments;

the extent to which we acquire or invest in additional businesses, products, and technologies.

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

We may seek additional capital through a combination of private and public equity offerings, debt financings, receivables or 
royalty financings, strategic collaborations and alliances, and licensing arrangements. To the extent that we raise additional capital 
through  the  sale  of  equity  or  convertible  debt  securities,  your  ownership  interest  will  be  diluted,  and  the  terms  may  include 
liquidation or other preferences that adversely affect the rights of existing stockholders. Debt, receivables, and royalty financings 
may be coupled with an equity component, such as warrants to purchase stock, which could also result in dilution of our existing 
stockholders' ownership. The incurrence of additional indebtedness beyond our existing indebtedness with the convertible note 
holders and Pharmakon Debt Financing could also result in increased fixed payment obligations and could also result in certain 
restrictive covenants, such as limitations on our ability to incur further debt, limitations on our ability to acquire or license intellectual 
property rights, and other operating restrictions that could have a material adverse effect on our ability to conduct our business 
and may result in liens being placed on our assets and intellectual property. If we were to default on any of our indebtedness, we 
could lose such assets and intellectual property. If we raise additional funds through strategic collaborations and alliances and 
licensing arrangements with third parties, we may have to relinquish valuable rights to Galafold® or our product candidates, or 
grant licenses on terms that are not favorable to us. If we are unable to raise additional funds through equity or debt financing 
when needed, we may be required to delay, limit, reduce or terminate our product development or commercialization efforts or 
grant rights to develop and market our technologies that we would otherwise prefer to develop and market ourselves.

Servicing our debt requires a significant amount of cash, and we may not have sufficient cash flow from our business 
to pay our substantial debt.

On December 21, 2016, we issued $250 million aggregate principal amount of 3.00% unsecured Convertible Senior Notes 
due 2023 (the "Convertible Notes"), in a private offering to qualified institutional buyers pursuant to Rule 144A under the Securities 
Act. The Convertible Notes bear interest at a fixed rate of 3.00% per year, payable semiannually on June 15 and December 15 of 
each year, beginning on June 15, 2017. The Convertible Notes will mature on December 15, 2023, unless earlier repurchased, 
redeemed, or converted in accordance with their terms. The Convertible Notes are convertible at the option of the holders, under 
certain circumstances and during certain periods, into cash, shares of the Company's common stock, par value $0.01 per share, or 
a combination thereof and may be settled. 

In September 2018, we entered into a loan agreement with BioPharma Credit PLC, an investment fund managed by Pharmakon 
Advisors, L.P. (the "Pharmakon Debt Financing") as the lender, for a $150.0 million non-dilutive senior secured term loan (the 
“Senior Secured Term Loan”) with an interest rate equal to 3-month LIBOR plus 7.50% per annum, subject to a floor and ceiling 
on the rate, which matures in five years. We received net proceeds of $146.6 million in September 2018, after deducting fees and 
estimated expenses payable by us. There are no warrants or any equity conversion features associated with the Senior Secured 
Term Loan. 

During the first quarter of 2019, we entered into separate, privately negotiated exchange agreements with a limited number 
of holders (the “Holders”) of our Convertible Notes. Under the terms of the exchange agreements (the “Exchange Agreements”), 
the Holders agreed to exchange an aggregate principal amount of approximately $184.6 million of Convertible Notes held by them 
in exchange for an aggregate of approximately 33.0 million shares of the our common stock, par value $0.01 per share. In addition, 
pursuant to the Exchange Agreements, we made aggregate cash payments of approximately $0.7 million to the Holders to satisfy 
accrued and unpaid interest to the closing date of the transaction, along with cash in lieu of fractional shares.

There can be no assurance that our cash and cash equivalents, together with funds generated by our operations and any future 
financings, will be sufficient to satisfy our debt payment obligations or that we will have sufficient equity to satisfy these obligations. 
Our inability to generate funds or obtain financing sufficient to satisfy our debt payment obligations may result in such obligations 
being accelerated by our lenders, which would likely have a material adverse effect on our business, financial condition and results 
of operations.

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The conditional conversion feature of the Convertible Notes, if triggered, may adversely affect our financial condition 
and operating results.

In the event the conditional conversion feature of the Convertible Notes is triggered, holders of such notes will be entitled to 
convert the notes at any time during specified periods at their option, which are set forth in the applicable indenture. If one or more 
holders elect to convert their Convertible Notes, we have the option to settle conversions entirely in cash, in common stock or a 
combination thereof. In addition, even if holders do not elect to convert their Convertible Notes, we could be required under 
applicable accounting rules to reclassify all or a portion of the outstanding principal of the notes as a current rather than long-term 
liability, which would result in a material reduction of our net working capital.

We have a limited operating history, which may make it difficult for you to evaluate the success of our business to date 
and to assess our future viability.

We commenced operations in February 2002. Our operations to date have been limited to organizing and staffing our company, 
acquiring and developing our technology, undertaking preclinical studies and clinical trials of our most advanced product candidates, 
including our first commercial product, Galafold®, and establishing our sales and marketing capabilities to promote Galafold® in 
the EU, Japan and the U.S. We have not yet generated material commercial sales for any of our product candidates. Consequently, 
any predictions about our future success or viability may not be as accurate as they could be if we had a longer operating history. 

We may acquire other assets or businesses, or form collaborations or make investments in other companies or technologies 
that  could  harm  our  operating  results,  dilute  our  stockholders'  ownership,  increase  our  debt,  or  cause  us  to  incur 
significant expense.

As part of our business strategy, we may continue to pursue acquisitions or licenses of assets or businesses, or strategic alliances 
and collaborations, to expand our existing technologies and operations, such as our recent acquisition of Celenex and the research 
collaboration with Penn to develop gene therapies. We may not identify or complete these transactions in a timely manner, on a 
cost-effective basis, or at all, and we may not realize the anticipated benefits of any such transaction, any of which could have a 
detrimental effect on our financial condition, results of operations, and cash flows. We may not be able to find suitable acquisition 
or licensing candidates, and if we make any acquisitions, we may not be able to integrate these acquisitions successfully into our 
existing business and we may incur additional debt or assume unknown or contingent liabilities in connection therewith. Integration 
of  an  acquired  company  or  assets  may  also  disrupt  ongoing  operations,  require  the  hiring  of  additional  personnel  and  the 
implementation of additional internal systems and infrastructure, especially the acquisition of commercial assets, and require 
management  resources  that  would  otherwise  focus  on  developing  our  existing  business. We  may  not  be  able  to  find  suitable 
collaboration partners or identify other investment opportunities, and we may experience losses related to any such investments.

To  finance  any  acquisitions,  licenses  or  collaborations,  we  may  choose  to  issue  debt  or  shares  of  our  common  stock  as 
consideration. Any such issuance of shares would dilute the ownership of our stockholders. If the price of our common stock is 
low or volatile, we may not be able to acquire other assets or companies or fund a transaction using our stock as consideration. 
Alternatively, it may be necessary for us to raise additional funds for acquisitions through public or private financings. Additional 
funds may not be available on terms that are favorable to us, or at all.

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Our ability to use our net operating loss carryforwards and certain other tax attributes may be limited.

As  of  December  31,  2018,  the  Company  had  federal,  state,  and  foreign  net  operating  loss  carry  forwards  ("NOLs")  of 
approximately $858.4 million, $943.5 million, and $35.0 million, respectively. The federal carry forward will expire in 2030 
through 2037. Federal net operating losses incurred in 2018 and onward have an indefinite expiration under the 2017 Tax Cut & 
Jobs Act. Most of the state carry forwards generated prior to 2009 have expired through 2016. The remaining state carry forwards 
including those generated in 2009 through 2018 will expire in 2030 through 2038. The foreign NOLs have indefinite expiration. 
Utilization of NOLs may be subject to a substantial limitation pursuant to Section 382 of the Code as well as similar state statutes 
in the event of an ownership change. Such ownership changes have occurred in the past, and could occur again in the future Under 
Section 382 of the Internal Revenue Code of 1986, as amended, or Section 382, if a corporation undergoes an "ownership change," 
generally defined as a greater than 50% change (by value) in its equity ownership over a three-year period, the corporation's ability 
to use its pre-change NOLs and other pre-change tax attributes (such as research and development tax credits) to offset its post-
change income may be limited. We may experience ownership changes in the future as a result of shifts in our stock ownership 
some of which are outside our control. We completed a detailed study of our NOLs and determined that there was not an ownership 
change in excess of 50%. Ownership changes in future periods may place additional limits on our ability to utilize net operating 
loss and tax credit carry forwards. In addition, at the state level, there may be periods during which the use of NOLs is suspended 
or otherwise limited, which could accelerate or permanently increase state taxes owed.

Risks Related to our Intellectual Property

If we are unable to obtain and maintain patent protection for our technology and products, or if the scope of the patent 
protection is not sufficiently broad, our competitors could develop and commercialize technology and products similar 
or identical to ours, and our ability to successfully commercialize our technology and products may be adversely affected.

Our success depends in large part on our ability to obtain and maintain patent protection in the U.S. and other countries with 
respect to our proprietary technology and products. We seek to protect our proprietary position by filing patent applications in the 
U.S. and in certain foreign jurisdictions related to our novel technologies, product and product candidates that are important to 
our business. This process is expensive and time-consuming, and we may not be able to file and prosecute all necessary or desirable 
patent applications at a reasonable cost or in a timely manner. It is also possible that we will fail to identify patentable aspects of 
our research and development output before it is too late to obtain patent protection. Moreover, if we license technology or product 
candidates  from  third  parties  in  the  future,  these  license  agreements  may  not  permit  us  to  control  the  preparation,  filing  and 
prosecution of patent applications, or to maintain or enforce the patents, covering this intellectual property. These agreements 
could also give our licensors the right to enforce the licensed patents without our involvement, or to decide not to enforce the 
patents at all. Therefore, in these circumstances, these patents and applications may not be prosecuted and enforced in a manner 
consistent with the best interests of our business.

The patent position of biotechnology and pharmaceutical companies generally is highly uncertain, involves complex legal 
and  factual  questions  and  has  in  recent  years  been  the  subject  of  much  litigation. As  a  result,  the  issuance,  scope,  validity, 
enforceability and commercial value of our patent rights are highly uncertain. Our pending and future patent applications may not 
result in patents being issued which protect our technology or products, in whole or in part, or which effectively prevent others 
from commercializing competitive technologies and products. Changes in either the patent laws or interpretation of the patent laws 
in the U.S. and other countries may diminish the value of our patents or narrow the scope of our patent protection.

The degree of future protection for our proprietary rights is uncertain, and we cannot ensure that:

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we or our licensors were the first to make the inventions covered by each of our pending patent applications;

we or our licensors were the first to file patent applications for these inventions;

others will not independently develop similar or alternative technologies or duplicate any of our technologies;

any patents issued to us or our licensors will provide a basis for commercially viable products, will provide us
with any competitive advantages or will not be challenged by third parties;

licenses from other third parties will not be required to commercialize patented products;

we will develop additional proprietary technologies that are patentable;

we will file patent applications for new proprietary technologies promptly or at all;

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our patents will not expire prior to or shortly after commencing commercialization of a product;

the patents of others will not have a negative effect on our ability to do business; or

patent authorities will not identify deficiencies in our patent applications and refuse to grant our patents.

In addition, we cannot be assured that any of our pending patent applications will result in issued patents. In particular, we 
have filed patent applications in the U.S., the European Patent Office and other countries outside the U.S. that have not been issued 
as patents. These pending applications include, among others, some of the patent applications for ATB200 and migalastat HCl. If 
patents are not issued in respect of our pending patent applications, we may not be able to stop competitors from marketing similar 
products in Europe and other countries in which we do not have issued patents.

The patents that we have licensed from Mt. Sinai School of Medicine relating to use of Galafold® to treat Fabry disease expired 
in 2018 in the U.S. and will expire in 2019 in Europe, Japan, and Canada. In addition to patent protection outside of the U.S., we 
intend to seek orphan medicinal product designation and to rely on statutory data exclusivity provisions in jurisdictions outside 
the U.S. where such protections are available, including Europe. The patent rights that we own or have licensed relating to our 
product candidates are limited in ways that may affect our ability to exclude third parties from competing against us if we obtain 
regulatory approval to market these product candidates. In particular:

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We do not hold composition of matter patents covering Galafold® and we have method of manufacturing patent
applications allowed for ATB200 as well as method of treatment patents allowed for migalastat HCl. There can be
no assurance that the allowed applications will be issued or that the scope of such patents, if they issue, will be
sufficient to protect our product. Composition of matter patents can provide protection for pharmaceutical products
to the extent that the specifically covered compositions are important. For our product candidates for which we
do not hold composition of matter patents, competitors who obtain the requisite regulatory approval can offer
products with the same composition as our products so long as the competitors do not infringe any method of use
patents that we may hold.

For some of our product candidates the principal patent protection that covers or those we expect will cover our
product candidate is a method of use patent. This type of patent only protects the product when used or sold for
the specified method. However, this type of patent does not limit a competitor from making and marketing a product
that is identical to our product that is labeled for an indication that is outside of the patented method, or for which
there is a substantial use in commerce outside the patented method.

Moreover, physicians may prescribe such a competitive identical product for indications other than the one for which the 
product has been approved, or off-label indications, that are covered by the applicable patents. Although such off-label prescriptions 
may infringe or induce infringement of method of use patents, the practice is common and such infringement is difficult to prevent 
or prosecute.

The laws of foreign countries may not protect our rights to the same extent as the laws of the U.S. For example, European 
patent law restricts the patentability of methods of treatment of the human body more than U.S. law does. In addition, we may not 
pursue or obtain patent protection in all major markets. Assuming the other requirements for patentability are met, currently, the 
first to file a patent application is generally entitled to the patent. However, prior to March 16, 2013, in the U.S., the first to invent 
was entitled to the patent. Publications of discoveries in the scientific literature often lag behind the actual discoveries, and patent 
applications in the U.S. and other jurisdictions are typically not published until 18 months after filing, or in some cases not at all. 
Therefore, we cannot know with certainty whether we were the first to make the inventions claimed in our patents or pending 
patent applications, or that we were the first to file for patent protection of such inventions.

Moreover, we may be subject to a third party pre-issuance submission of prior art to the U.S. Patent and Trademark Office or 
become involved in opposition, derivation, reexamination, inter partes review, post grant review, interference proceedings or other 
patent office proceedings or litigation, in the U.S. or elsewhere, challenging our patent rights or the patent rights of others. An 
adverse determination in any such submission, proceeding or litigation could reduce the scope of, or invalidate, our patent rights, 
allow third parties to commercialize our technology or products and compete directly with us, without payment to us, or result in 
our inability to manufacture or commercialize products without infringing third party patent rights. In addition, if the breadth or 
strength of protection provided by our patents and patent applications is threatened, it could dissuade companies from collaborating 
with us to license, develop or commercialize current or future product candidates.

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Even if our patent applications issue as patents, they may not issue in a form that will provide us with any meaningful protection, 
prevent competitors from competing with us or otherwise provide us with any competitive advantage. Our competitors may be 
able to circumvent our owned or licensed patents by developing similar or alternative technologies or products in a non-infringing 
manner. In addition, other companies may attempt to circumvent any regulatory data protection or market exclusivity that we 
obtain under applicable legislation, which may require us to allocate significant resources to preventing such circumvention. Legal 
and regulatory developments in the EU and elsewhere may also result in clinical trial data submitted as part of an MAA becoming 
publicly available. Such developments could enable other companies to circumvent our intellectual property rights and use our 
clinical trial data to obtain marketing authorizations in the EU and in other jurisdictions. Such developments may also require us 
to allocate significant resources to prevent other companies from circumventing or violating our intellectual property rights. Our 
attempts to prevent third parties from circumventing our intellectual property and other rights may ultimately be unsuccessful. We 
may also fail to take the required actions or pay the necessary fees to maintain our patents.

The issuance of a patent is not conclusive as to its inventorship, scope, validity or enforceability, and our owned and licensed 
patents may be challenged in the courts or patent offices in the U.S. and abroad. Such challenges may result in loss of exclusivity 
or freedom to operate or in patent claims being narrowed, invalidated or held unenforceable, in whole or in part, which could limit 
our ability to stop others from using or commercializing similar or identical technology and products, or limit the duration of the 
patent protection of our technology and products. Given the amount of time required for the development, testing and regulatory 
review of new product candidates, patents protecting such candidates might expire before or shortly after such candidates are 
commercialized. As a result, our patent portfolio may not provide us with sufficient rights to exclude others from commercializing 
products similar or identical to ours.

Further,  litigation,  interferences,  oppositions,  inter  partes  reviews,  administrative  challenges  or  other  similar  types  of 
proceedings are, have been and may in the future be necessary in some instances to determine the validity and scope of certain of 
our proprietary rights, and in other instances to determine the validity, scope or non-infringement of certain patent rights claimed 
by third parties to be pertinent to the manufacture, use or sale of our products. We may also face challenges to our patent and 
regulatory protections covering our products by third parties, including manufacturers of generics and biosimilars that may choose 
to launch or attempt to launch their products before the expiration of our patent or regulatory exclusivity. Litigation, interference, 
oppositions, inter partes reviews, administrative challenges or other similar types of proceedings are unpredictable and may be 
protracted, expensive and distracting to management. The outcome of such proceedings could adversely affect the validity and 
scope of our patent or other proprietary rights, hinder our ability to manufacture and market our products, require us to seek a 
license for the infringed product or technology or result in the assessment of significant monetary damages against us that may 
exceed amounts, if any, accrued in our financial statements. An adverse determination in a judicial or administrative proceeding 
or a failure to obtain necessary licenses could prevent us from manufacturing or selling our products. Furthermore, payments under 
any licenses that we are able to obtain would reduce our profits derived from the covered products and services.

Additionally, our products, or the technologies or processes used to formulate or manufacture those products may now, or in 
the future, infringe the patent rights of third parties. It is also possible that third parties will obtain patent or other proprietary rights 
that might be necessary or useful for the development, manufacture or sale of our products. We may need to obtain licenses for 
intellectual property rights from others and may not be able to obtain these licenses on commercially reasonable terms, if at all.

We may become involved in lawsuits to protect or enforce our patents or other intellectual property, which could be 
expensive, time consuming and unsuccessful.

Competitors  may  infringe  our  patents,  trademarks,  copyrights  or  other  intellectual  property.  To  counter  infringement  or 
unauthorized use, we may be required to file claims, which can be expensive and time consuming. Any claims we assert against 
perceived infringers could provoke these parties to assert counterclaims against us alleging that we infringe their intellectual 
property. In addition, in a patent infringement proceeding, a court may decide that a patent of ours is invalid or unenforceable, in 
whole or in part, construe the patent's claims narrowly or may refuse to stop the other party from using the technology at issue on 
the grounds that our patents do not cover the technology in question.

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Third parties may initiate legal proceedings alleging that we are infringing their intellectual property rights, the outcome 
of which would be uncertain and could have a material adverse effect on the success of our business.

Our research, development and commercialization activities, as well as any product candidates or products resulting from 
these activities, may infringe or be accused of infringing one or more claims of an issued patent or may fall within the scope of 
one or more claims in a published patent application that may subsequently issue and to which we do not hold a license or other 
rights. Third parties may own or control these patents or patent applications in the U.S. and abroad. These third parties could bring 
claims against us that would cause us to incur substantial expenses and, if successful against us, could cause us to pay substantial 
damages. Further, if a patent infringement suit were brought against us, we or they could be forced to stop or delay research, 
development, manufacturing or sales of the product or product candidate that is the subject of the suit.

No assurance can be given that patents do not exist, have not been filed, or could not be filed or issued, which contain claims 
covering our product candidates, technology or methods. Because of the number of patents issued and patent applications filed in 
our field, we believe there is a risk that third parties may allege they have patent rights encompassing our product candidates, 
technology or methods.

We are aware, for example, of U.S. patents, and corresponding international counterparts, owned by third parties that contain 
claims related to treating protein misfolding. If any of these patents were to be asserted against us, while we do not believe that 
our product candidates would be found to infringe any valid claim of such patents, there is no assurance that a court would find 
in our favor or that, if we choose or are required to seek a license with respect to such patents, such license would be available to 
us on acceptable terms or at all. If we were to challenge the validity of any issued U.S. patent in court, we would need to overcome 
a presumption of validity that attaches to every patent. This burden is high and would require us to present clear and convincing 
evidence as to the invalidity of the patent's claims. There is no assurance that a court would find in our favor on infringement or 
validity.

In order to avoid or settle potential claims with respect to any of the patent rights described above or any other patent rights 
of third parties, we may choose or be required to seek a license from a third party and be required to pay license fees or royalties 
or both. These licenses may not be available on acceptable terms, or at all. Even if we or our collaborators were able to obtain a 
license, the rights may be nonexclusive, which could result in our competitors gaining access to the same intellectual property. 
Ultimately, we could be prevented from commercializing a product, or be forced to cease some aspect of our business operations, 
if, as a result of actual or threatened patent infringement claims, we are unable to enter into licenses on acceptable terms. This 
could harm our business significantly. Others may sue us for infringing their patent or other intellectual property rights or file 
nullity, opposition or interference proceedings against our patents, even if such claims are without merit, which would similarly 
harm our business. Furthermore, during the course of litigation, confidential information may be disclosed in the form of documents 
or testimony in connection with discovery requests, depositions or trial testimony. Disclosure of our confidential information and 
our involvement in intellectual property litigation could materially adversely affect our business.

There  has  been  substantial  litigation  and  other  proceedings  regarding  patent  and  other  intellectual  property  rights  in  the 
pharmaceutical and biotechnology industries. In addition to infringement claims against us, we may become a party to other patent 
litigation  and  other  proceedings,  including  interference  proceedings  declared  by  the  U.S.  Patent  and  Trademark  Office  and 
opposition proceedings in the European Patent Office, regarding intellectual property rights with respect to our products and 
technology. Even if we prevail, the cost to us of any patent litigation or other proceeding could be substantial.

Some of our competitors may be able to sustain the costs of complex patent litigation more effectively than we can because 
they have substantially greater resources. In addition, any uncertainties resulting from any litigation could significantly limit our 
ability to continue our operations. Patent litigation and other proceedings may also absorb significant management time.

We may be subject to claims by third parties asserting that we or our employees have misappropriated their intellectual 
property, or claiming ownership of what we regard as our own intellectual property.

Many  of  our  employees  were  previously  employed  at  universities  or  other  biotechnology  or  pharmaceutical  companies, 
including  our  competitors  or  potential  competitors. Although  we  try  to  ensure  that  our  employees  do  not  use  the  proprietary 
information or know-how of others in their work for us, we may be subject to claims that we or these employees have used or 
disclosed intellectual property, including trade secrets or other proprietary information, of any such employee's former employer. 
Litigation may be necessary to defend against these claims.

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In addition, while we typically require our employees and contractors who may be involved in the development of intellectual 
property to execute agreements assigning such intellectual property to us, we may be unsuccessful in executing such an agreement 
with each party who in fact develops intellectual property that we regard as our own. Our and their assignment agreements may 
not be self-executing or may be breached, and we may be forced to bring claims against third parties, or defend claims they may 
bring against us, to determine the ownership of what we regard as our intellectual property.

If  we  fail  in  prosecuting  or  defending  any  such  claims,  in  addition  to  paying  monetary  damages,  we  may  lose  valuable 
intellectual property rights or personnel. Even if we are successful in prosecuting or defending against such claims, litigation could 
result in substantial costs and be a distraction to management.

Intellectual property litigation could cause us to spend substantial resources and could distract our personnel from their 
normal responsibilities.

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

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

In addition to seeking patents for some of our technology and products, we also rely on trade secrets, including unpatented 
know-how, technology and other proprietary information, to maintain our competitive position. We seek to protect these trade 
secrets, in part, by entering into non-disclosure and confidentiality agreements with parties who have access to them, such as our 
employees, corporate collaborators, outside scientific collaborators, contract manufacturers, consultants, advisors and other third 
parties. We also enter into confidentiality and invention or patent assignment agreements with our employees and consultants. 
However, we cannot guarantee that we have executed these agreements with each party that may have or have had access to our 
trade secrets or that the agreements we have executed will provide adequate protection. Any party with whom we have executed 
such an agreement may breach that agreement and disclose our proprietary information, including our trade secrets, and we may 
not be able to obtain adequate remedies for such breaches. Enforcing a claim that a party illegally disclosed or misappropriated a 
trade secret is difficult, expensive and time-consuming, and the outcome is unpredictable. In addition, some courts inside and 
outside the U.S. are less willing or unwilling to protect trade secrets. If any of our trade secrets were to be lawfully obtained or 
independently developed by a competitor, we would have no right to prevent them, or those to whom they communicate it, from 
using that technology or information to compete with us. If any of our trade secrets were to be obtained or independently developed 
by a competitor, our competitive position would be harmed.

If we fail to comply with our obligations in our intellectual property licenses with third parties, we could lose license 
rights that are important to our business.

We are a party to license agreements with the Mount Sinai School of Medicine of New York University, NCH, and Penn 
pursuant to which we license key intellectual property relating to our lead product candidates. We expect to enter into additional 
licenses in the future. Our existing licenses impose, and we expect that future licenses will impose, various diligences, milestone 
payment, royalty, insurance and other obligations on us. If we fail to comply with these obligations, the licensor may have the 
right to terminate the license, in which event we might not be able to market any product that is covered by the licensed patents.

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We have not yet registered our trademarks in all of our potential markets, and failure to secure those registrations could 
adversely affect our business.

Our trademark applications may not be allowed for registration, and our registered trademarks may not be maintained or 
enforced. During trademark registration proceedings, we may receive rejections. Although we are given an opportunity to respond 
to those rejections, we may be unable to overcome such rejections. In addition, in the U.S. Patent and Trademark Office and in 
comparable agencies in many foreign jurisdictions, third parties are given an opportunity to oppose pending trademark applications 
and to seek to cancel registered trademarks. Opposition or cancellation proceedings may be filed against our trademarks, and our 
trademarks  may  not  survive  such  proceedings.  If  we  do  not  secure  registrations  for  our  trademarks,  we  may  encounter  more 
difficulty in enforcing them against third parties than we otherwise would.

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

The U.S. Patent and Trademark Office and various foreign governmental patent agencies require compliance with a number 
of procedural, documentary, fee payment and other similar provisions during the patent application process. In addition, periodic 
maintenance fees on issued patents are required to be paid to the U.S. Patent and Trademark Office and foreign patent agencies in 
several stages over the lifetime of the patents. While an inadvertent lapse can in many cases be cured by payment of a late fee or 
by other means in accordance with the applicable rules, there are situations in which noncompliance can result in abandonment 
or lapse of the patent or patent application, resulting in partial or complete loss of patent rights in the relevant jurisdiction. Non-
compliance events that could result in abandonment or lapse of a patent or patent application include, but are not limited to, failure 
to respond to official actions within prescribed time limits, non-payment of fees and failure to properly legalize and submit formal 
documents. If we fail to maintain the patents and patent applications covering our product candidates, our competitive position 
would be adversely affected.

Our rights to develop and commercialize our gene therapy product candidates are subject, in part, to the terms and conditions 
of licenses granted to us by others.

The biotechnology and pharmaceutical industries, especially in the gene therapy field, are characterized by rapidly changing 
technologies, significant competition and a strong emphasis on intellectual property. We face substantial competition from many 
different  sources,  including  large  and  specialty  pharmaceutical  and  biotechnology  companies,  academic  research  institutions, 
government agencies and public and private research institutions. We are aware of companies focused on developing gene therapies 
in various indications as well as several companies addressing other methods for delivering or modifying genes and regulating 
gene expression. Any advances in gene therapy technology made by a competitor may be used to develop therapies that could 
compete against any of our product candidates.

Many of our potential competitors, alone or with their strategic partners, have substantially greater financial, technical and 
other resources than we do, such as larger research and development, clinical, marketing and manufacturing organizations. Mergers 
and acquisitions in the biotechnology and pharmaceutical industries may result in even more resources being concentrated among 
a  smaller  number  of  competitors.  Our  commercial  opportunity  could  be  reduced  or  eliminated  if  competitors  develop  and 
commercialize products that are safer, more effective, have fewer or less severe side effects, are more convenient or are less 
expensive than any products that we may develop. Competitors also may obtain FDA or other regulatory approval for their products 
more rapidly than we may obtain approval for ours, which could result in our competitors establishing a strong market position 
before we are able to enter the market. Additionally, technologies developed by our competitors may render our potential product 
candidates uneconomical or obsolete, and we may not be successful in marketing our product candidates against competitors.

In addition to our own patents, we have acquired licenses to certain patent rights and proprietary technology from third parties, 
including our current partners at NCH and Penn, that are important or necessary to the development of our technology and products, 
including technology related to our manufacturing process and our gene therapy product and product candidates. These and other 
licenses may not provide exclusive rights to use such intellectual property and technology in all relevant fields of use and in all 
territories in which we may wish to develop or commercialize our technology and products in the future. As a result, we may not 
be able to prevent competitors from developing and commercializing competitive products in territories included in all of our 
licenses. Licenses to additional third-party technology that may be required for our development programs may not be available 
in the future or may not be available on commercially reasonable terms, or at all, which could have a material adverse effect on 
our business, financial condition, results of operations and prospects.

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Risks Related to our Dependence on Third Parties

Use of third parties to manufacture our product or product candidates may increase the risk that we will not have sufficient 
quantities of our product or product candidates or such quantities at an acceptable cost, which could delay, prevent or 
impair our development or commercialization efforts.

We do not currently own or operate manufacturing facilities for clinical or commercial production of our product or product 
candidates. We currently lack the resources and the capabilities to manufacture ourselves any of our product or product candidates 
on a clinical or commercial scale. If we choose in the future to manufacture ourselves, we would face all of the risks and uncertainties 
of third party manufacture of our products. We currently outsource all manufacturing and packaging of our product and preclinical 
and clinical product candidates to third parties. The manufacture of pharmaceutical products requires significant expertise and 
capital  investment,  including  the  development  of  advanced  manufacturing  techniques  and  process  controls.  In  particular,  the 
manufacture  of  our  biologic  product  candidate ATB200  for  Pompe,  is  highly  complex  and  we  may  encounter  difficulties  in 
production. These problems include difficulties with production costs and yields and quality control, including stability of the 
product or product candidate, and demonstrating comparability of small batches to commercial scale batches. Further, our gene 
therapies may require new or specialized manufacturing with limited third party manufacturers available to provide these services. 
The occurrence of any of these problems could significantly delay our clinical trials or the commercial availability of our product 
or product candidates.

We may be unable to enter into agreements for commercial supply with third party manufacturers, or may be unable to do so 
on acceptable terms. Even if we enter into these agreements, the manufacturers of each product candidate will be single source 
suppliers to us for a significant period of time.

Even if we are able to establish and maintain arrangements with third party manufacturers, reliance on third party manufacturers 

entails additional risks, including:

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reliance on the third party for regulatory compliance and quality assurance;

limitations on supply availability resulting from capacity and scheduling constraints of the third parties;

inability to demonstrate comparability to GMP commercial scale product for biologic products;

inability to manufacture batches that meet specifications and quality standards;

impact on our reputation in the marketplace if manufacturers of our products, once commercialized, fail to meet
the demands of our customers;

the possible breach of the manufacturing agreement by the third party;

the possible misappropriation of our proprietary information, including our trade secrets and know-how; and

the possible termination or nonrenewal of the agreement by the third party at a time that is costly or inconvenient
for us.

The failure of any of our contract manufacturers to maintain high manufacturing standards could result in injury or death of 
clinical trial participants or patients using products. Such failure could also result in product liability claims, product recalls, product 
seizures or withdrawals, delays or failures in testing or delivery, cost overruns or other problems that could seriously harm our 
business or profitability.

The FDA and regulatory authorities in other jurisdictions require our contract manufacturers to comply with regulations setting 
forth cGMP. These regulations cover all aspects of the manufacturing, testing, quality control and recordkeeping relating to our 
product candidates and any products that we may commercialize, including Galafold®. Our manufacturers may not be able to 
comply with cGMP regulations or similar regulatory requirements outside the U.S. Our failure or the failure of our third party 
manufacturers, to comply with applicable regulations could significantly and adversely affect regulatory approval and supplies of 
our product candidates.

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Our product candidates and any products that we may develop may compete with other product candidates and products for 
access to manufacturing facilities. There are a limited number of manufacturers that operate under cGMP regulations and that 
might be capable of manufacturing our products.

If the third parties that we engage to manufacture product for our preclinical tests and clinical trials should cease to continue 
to do so for any reason, we likely would experience delays in advancing these trials while we identify and qualify replacement 
suppliers and we may be unable to obtain replacement supplies on terms that are favorable to us. In addition, if we are not able to 
obtain adequate supplies of our product candidates or the drug substances used to manufacture them, it will be more difficult for 
us to develop our product candidates and compete effectively.

Our current and anticipated future dependence upon others for the manufacture of our product candidates may adversely affect 
our future profit margins and our ability to develop product candidates and commercialize any products that receive regulatory 
approval on a timely and competitive basis.

We rely on third parties to conduct certain preclinical development activities and our clinical trials, and those third 
parties may not perform satisfactorily, including failing to meet deadlines for the completion of such trials.

We do not independently conduct clinical trials for our product candidates or certain preclinical development activities of our 
product candidates. We rely on third parties, such as CROs, clinical data management organizations, medical institutions and 
clinical  investigators  and  collaboration  partners,  to  perform  these  functions. Any  of  these  third  parties  may  terminate  their 
engagements with us at any time. If we need to enter into alternative arrangements, it would delay our product development 
activities.

Our reliance on these third parties for certain preclinical and clinical development activities reduces our control over these 
activities but does not relieve us of our responsibilities. For example, we remain responsible for ensuring that each of our clinical 
trials is conducted in accordance with the general investigational plan and protocols for the trial. Moreover, the FDA requires us 
to comply with standards, commonly referred to as Good Clinical Practices, or GCP, for conducting, recording and reporting the 
results  of  clinical  trials  to  assure  that  data  and  reported  results  are  credible  and  accurate  and  that  the  rights,  integrity  and 
confidentiality of trial participants are protected. We also are required to register certain ongoing clinical trials and post the results 
of completed clinical trials on a government-sponsored database, ClinicalTrials.gov, within particular timeframes. Failure to do 
so can result in fines, adverse publicity and civil and criminal sanctions. Similar GCP and transparency requirements apply in the 
EU. Failure to comply with such requirements, including with respect to clinical trials conducted outside the EU and U.S., can 
also lead regulatory authorities to refuse to take into account clinical trial data submitted as part of an MAA.

Furthermore, third parties that we rely on for our clinical development activities may also have relationships with other entities, 
some of which may be our competitors. If these third parties do not successfully carry out their contractual duties, meet expected 
deadlines or conduct our clinical trials in accordance with regulatory requirements or our stated protocols, we will not be able to 
obtain, or may be delayed in obtaining, marketing approvals for our product candidates and will not be able to, or may be delayed 
in our efforts to, successfully commercialize our product candidates. Our product development costs will increase if we experience 
delays in testing or obtaining marketing approvals.

We also rely on other third parties to store and distribute drug supplies for our preclinical development activities and clinical 
trials. Any performance failure on the part of our distributors could delay clinical development or marketing approval of our product 
candidates or commercialization of our products, producing additional losses and depriving us of potential product revenue.

Extensions, delays, suspensions or terminations of our preclinical development activities or our clinical trials as a result of 
the performance of our independent clinical investigators and CROs will delay, and make more costly, regulatory approval for any 
product candidates that we may develop. Any change in a CRO during an ongoing preclinical development activity or clinical trial 
could seriously delay that trial and potentially compromise the results of the activity or trial.

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We may not be successful in maintaining or establishing collaborations, which could adversely affect our ability to 
develop and, particularly in international markets, commercialize products.

We are collaborating with physicians, academic institutions, hospitals, patient advocacy groups, foundations and government 
agencies in order to assist with the development of our products and each of our product candidates. We plan to pursue similar 
activities in future programs and plan to evaluate the merits of retaining commercialization rights for ourselves or entering into 
selective collaboration arrangements with leading pharmaceutical or biotechnology companies. We also may seek to establish 
collaborations for the sales, marketing and distribution of our products. If we elect to seek collaborators in the future but are unable 
to reach agreements with suitable collaborators, we may fail to meet our business objectives for the affected product or program. 
We  face,  and  will  continue  to  face,  significant  competition  in  seeking  appropriate  collaborators.  Moreover,  collaboration 
arrangements are complex and time consuming to negotiate, document and implement. We may not be successful in our efforts, 
if  any,  to  establish  and  implement  collaborations  or  other  alternative  arrangements.  The  terms  of  any  collaboration  or  other 
arrangements that we establish, if any, may not be favorable to us.

Any collaboration that we enter into may not be successful. The success of our collaboration arrangements, if any, will depend 
heavily on the efforts and activities of our collaborators. It is likely that any collaborators of ours will have significant discretion 
in determining the efforts and resources that they will apply to these collaborations. The risks that we may be subject to in possible 
future collaborations include the following:

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

collaborators may not pursue development and commercialization of our product or product candidates or may
elect not to continue or renew development or commercialization programs, based on clinical trial results, changes
in the collaborators' strategic focus or available funding, or external factors such as an acquisition that diverts
resources or creates competing priorities;

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

collaborators could independently develop, or develop with third parties, products that compete directly or indirectly
with our products or product candidates if the collaborators believe that competitive products are more likely to
be successfully developed or can be commercialized under terms that are more economically attractive than ours;

a collaborator with marketing and distribution rights to one or more products may not commit sufficient resources
to the marketing and distribution of such product or products;

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

collaborators may infringe the intellectual property rights of third parties, which may expose us to litigation and
potential liability;

disputes may arise between the collaborator and us as to the ownership of intellectual property arising during the
collaboration;

we may grant exclusive rights to our collaborators, which would prevent us from collaborating with others;

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

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

Collaboration agreements may not lead to development or commercialization of product candidates in the most efficient 
manner or at all. If a collaborator of ours were to be involved in a business combination, the continued pursuit and emphasis on 
our product development or commercialization program could be delayed, diminished or terminated.

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Collaborations with pharmaceutical companies and other third parties often are terminated or allowed to expire by the other 
party. Such terminations or expirations may adversely affect us financially and could harm our business reputation in the event 
we elect to pursue collaborations that ultimately expire or are terminated.

Materials necessary to manufacture our product or product candidates may not be available on commercially reasonable 
terms, or at all, which may delay the development and commercialization of our product or product candidates.

We currently rely on the manufacturers of our product and product candidates to purchase from third party suppliers the 
materials necessary to produce the compounds for our preclinical studies and clinical trials, and we rely, or will rely, on these other 
manufacturers for commercial distribution of our product and, if we obtain marketing approval, for any of our product candidates. 
Suppliers may not sell these materials to our manufacturers at the time we need them or on commercially reasonable terms and 
all such prices are susceptible to fluctuations in price and availability due to transportation costs, government regulations, price 
controls and changes in economic climate or other foreseen circumstances. We do not have any control over the process or timing 
of the acquisition of these materials by our manufacturers. We may enter into agreements to purchase certain materials and provide 
them to our manufacturers, with all the risks and uncertainties of supply associated with those purchases. If we or our manufacturers 
are unable to obtain these materials for our preclinical studies and clinical trials, product testing and potential regulatory approval 
of  our  product  candidates  would  be  delayed,  significantly  impacting  our  ability  to  develop  and  commercialize  our  product 
candidates. If our manufacturers or we are unable to purchase these materials for commercial distribution of our product or, after 
regulatory approval has been obtained, our product candidates, the commercial launch of our product and product candidates would 
be delayed or there would be a shortage in supply, which would materially affect our ability to generate revenues from the sale of 
our product or product candidates.

Manufacturing issues may arise that could increase product and regulatory approval costs or delay commercialization.

As we scale up manufacturing of our product and product candidates and conduct required stability and comparability testing, 
we may encounter product, packaging, equipment and process-related issues that may require refinement or resolution in order to 
successfully commercialize our product and proceed with our planned clinical trials and obtain regulatory approval for commercial 
marketing of our product candidates. In the future, we may identify impurities, which could result in increased scrutiny by regulatory 
authorities, delays in our clinical programs and regulatory approval, increases in our operating expenses or failure to obtain or 
maintain approval for our product or product candidates.

We currently rely on WuXi App Tec Biopharmaceuticals, a company based in the People's Republic of China (the "PRC"), 
as the sole supplier of our biologic product, ATB200. Accordingly, there is a risk that supplies of our product may be significantly 
delayed by or may become unavailable as a result of manufacturing, equipment, process, or business-related issues affecting that 
company. We may also face additional manufacturing and supply-chain risks due to the regulatory and political structure of the 
PRC, or as a result of the international relationship between the PRC and the U.S. or any of the other countries in which our 
products are marketed.

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Our  business  activities  involve  the  use  of  hazardous  materials,  which  require  compliance  with  environmental  and 
occupational safety laws regulating the use of such materials. If we violate these laws, we could be subject to significant 
fines, liabilities or other adverse consequences.

Our  research  and  development  programs  involve  the  controlled  use  of  hazardous  materials,  including  microbial  agents, 
corrosive, explosive and flammable chemicals and other hazardous compounds in addition to certain biological hazardous waste. 
Additionally, the activities of our third party product manufacturers of our product, and of our product candidates if and when they 
reach commercialization, will also require the use of hazardous materials. Accordingly, we are subject to federal, state and local 
laws governing the use, handling and disposal of these materials. Although we believe that our safety procedures for handling and 
disposing of these materials comply in all material respects with the standards prescribed by local, state and federal regulations, 
we cannot completely eliminate the risk of accidental contamination or injury from these materials. In addition, our collaborators 
may not comply with these laws. In the event of an accident or failure to comply with environmental laws, we could be held liable 
for damages that result, and any such liability could exceed our assets and resources or we could be subject to limitations or 
stoppages related to our use of these materials which may lead to an interruption of our business operations or those of our third 
party contractors. While we believe that our existing insurance coverage is generally adequate for our normal handling of these 
hazardous  materials,  it  may  not  be  sufficient  to  cover  pollution  conditions  or  other  extraordinary  or  unanticipated  events. 
Furthermore, an accident could damage or force us to shut down our operations. Changes in environmental laws may impose costly 
compliance requirements on us or otherwise subject us to future liabilities and additional laws relating to the management, handling, 
generation, manufacture, transportation, storage, use and disposal of materials used in or generated by the manufacture of our 
products or related to our clinical trials. In addition, we cannot predict the effect that these potential requirements may have on 
us, our suppliers and contractors or our customers.

Risks Related to our Business, Employee Matters and Managing Growth

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

We are highly dependent on John F. Crowley, our Chairman and Chief Executive Officer, Bradley L. Campbell, our President 
and Chief Operating Officer, and Daphne Quimi, our Chief Financial Officer. These executives each have significant pharmaceutical 
industry experience. The loss of the services of any of these executives might impede the achievement of our research, development 
and commercialization objectives and materially adversely affect our business and we may not be able to replace these executives 
with candidates with similar background and experience in the event of the loss of their services. We do not maintain "key person" 
insurance on Mr. Crowley or on any of our other executive officers.

Recruiting and retaining qualified scientific, clinical and sales and marketing personnel will also be critical to our success, 
including the recent announcement of locating our Research and Gene Therapy Center of Excellence in Philadelphia. In addition, 
maintaining a qualified finance and legal department is key to our ability to meet our regulatory obligations as a public company 
and important in any potential capital raising activities. Our industry has experienced a high rate of turnover in recent years. We 
may not be able to attract and retain these personnel on acceptable terms given the competition among numerous pharmaceutical 
and biotechnology companies for similar personnel, particularly in New Jersey and Philadelphia and their surrounding areas. 
Although we believe we offer competitive salaries and benefits, we may have to increase spending in order to retain personnel. If 
we fail to retain our remaining qualified personnel or replace them when they leave, we may be unable to recruit replacements nor 
continue our development and commercialization activities.

In addition, we rely on consultants and advisors, including scientific and clinical advisors, to assist us in formulating our 
research and development and commercialization strategy. Our consultants and advisors may be employed by employers other 
than us and may have commitments under consulting or advisory contracts with other entities that may limit their availability to 
us.

-59-

We expect to expand our development, regulatory and sales and marketing capabilities, and as a result, we may encounter 
difficulties in managing our growth, which could disrupt our operations.

As of December 31, 2018, we had 508 full-time employees. As our development and commercialization strategies develop, 
we will need additional managerial, operational, sales, marketing, financial, technical operations and other resources. In particular, 
we will be expanding our scientific and managerial support for gene therapy. Our management, personnel and systems currently 
in  place  may  not  be  adequate  to  support  this  future  growth. We  may  not  be  able  to  effectively  manage  the  expansion  of  our 
operations, which may result in weaknesses in our infrastructure, give rise to operational mistakes, loss of business opportunities, 
loss  of  employees  and  reduced  productivity  among  remaining  employees.  Future  growth  could  require  significant  capital 
expenditures and may divert financial resources from other projects, such as the development of our existing or future product 
candidates and we may not be able to replace key personnel in the event of turnover. Future growth would impose significant 
added responsibilities on members of management, including:

•

•

•

•

•

•

•

•

managing the development and commercialization of any product candidates approved for marketing;

overseeing our ongoing preclinical studies and clinical trials effectively;

identifying,  recruiting,  maintaining,  motivating  and  integrating  additional  employees,  including  any  sales  and
marketing personnel engaged in connection with the commercialization of any approved product;

managing  our  internal  development  efforts  effectively  while  complying  with  our  contractual  obligations  to
licensors, licensees, contractors and other third parties;

improving our managerial, development, operational and financial systems and procedures;

developing our compliance infrastructure and processes to ensure compliance with regulations applicable to public
companies;

developing biologics and gene therapy manufacturing expertise; and

expanding our facilities.

As our operations expand, we will need to manage additional relationships with various strategic collaborators, suppliers and 
other third parties. Our future financial performance and our ability to commercialize our product candidates and to compete 
effectively will depend, in part, on our ability to manage any future growth effectively. To that end, we must be able to manage 
our development efforts and clinical trials effectively and hire, train and integrate additional management, administrative and sales 
and marketing personnel. We may not be able to accomplish these tasks, and our failure to accomplish any of them could prevent 
us from successfully growing our company.

Litigation may adversely affect our business, financial condition, results of operations or liquidity.

Our business is subject to the risk of litigation by employees, consumers, vendors, competitors, intellectual property rights 
holders, shareholders, government agencies and others through private actions, class actions, administrative proceedings, regulatory 
actions or other litigation. For example, we and certain of our current and former officers have been parties to securities class 
action lawsuits against us, all of which have been settled or dismissed. The outcome of litigation, particularly class action lawsuits, 
regulatory actions and intellectual property claims, is difficult to assess or quantify. Plaintiffs in these types of lawsuits may seek 
recovery of very large or indeterminate amounts, and the magnitude of the potential loss relating to these lawsuits may remain 
unknown for substantial periods of time. In addition, certain of these lawsuits, if decided against us or settled by us, may result in 
liability material to our consolidated financial statements as a whole or may negatively affect our operating results if changes to 
our business operation are required. The cost to defend litigation may be significant. There also may be adverse publicity associated 
with litigation that could negatively affect customer perception of our business, regardless of whether the allegations are valid or 
whether we are ultimately found liable. As a result, litigation may adversely affect our business, financial condition, results of 
operations or liquidity.

-60-

 
We may be exposed to employment-related claims and losses which could have an adverse effect on our business.

As we continue to increase the size of our workforce, the risk of potential employment-related claims will also increase. As 
such, we may be subject to claims, allegations or legal proceedings related to employment matters including, but not limited to, 
discrimination, harassment (sexual or otherwise), wrongful termination or retaliation, local, state or federal labor law violations, 
injury, and wage violations. In the event we are subject to one or more employment-related claims, allegations or legal proceedings, 
we may incur substantial costs, losses or other liabilities in the defense, investigation, settlement or other disposition of such claims. 
In addition to the economic impact, we may also suffer reputational harm as a result of such claims, allegations and legal proceedings 
and the investigation, defense and prosecution of such claims, allegations and legal proceedings could cause substantial disruption 
in our business and operations. While we do have policies and procedures in place to reduce our exposure to these risks, there can 
be no assurance that such policies and procedures will be effective or that we will not be exposed to such claims, allegations or 
legal proceedings.

Our  employees,  independent  contractors,  principal  investigators,  CROs,  consultants  and  vendors  may  engage  in 
misconduct or other improper activities, including noncompliance with regulatory standards and requirements, which 
could cause significant liability for us and harm our reputation.

We are exposed to the risk that our employees, independent contractors, principal investigators, CROs, consultants and vendors 
may engage in fraudulent conduct or other illegal activity. Misconduct by these parties could include intentional, reckless and/or 
negligent conduct or disclosure of unauthorized activities to us that violates:

•

•

•

•

FDA or similar regulations of foreign regulatory authorities, including those laws requiring the reporting of true,
complete and accurate information to such authorities;

manufacturing standards;

federal and state healthcare fraud and abuse laws and regulations, anti-bribery and corruption laws, and similar
laws and regulations established and enforced by foreign regulatory authorities; or

laws that require the reporting of financial information or data accurately.

In particular, sales, marketing and business arrangements in the healthcare industry are subject to extensive laws and regulations 
intended to prevent fraud, kickbacks, self-dealing, bribery and corruption and other abusive practices. These laws and regulations 
may restrict or prohibit a wide range of pricing, discounting, marketing and promotion, sales commission, customer incentive 
programs and other business arrangements. Activities subject to these laws also involve the improper use of information obtained 
in the course of clinical trials, which could result in regulatory sanctions and serious harm to our reputation. We have adopted a 
Code of Business Conduct and Ethics, but it is not always possible to identify and deter misconduct by employees and other third 
parties, and the precautions we take to detect and prevent this activity may not be effective in controlling unknown or unmanaged 
risks or losses or in protecting us from governmental investigations or other actions or lawsuits stemming from a failure to be in 
compliance with such laws or regulations. If any such actions are instituted against us, and we are not successful in defending 
ourselves or asserting our rights, those actions could have a material adverse effect on our business and results of operations, 
including  the  imposition  of  civil,  criminal  and  administrative  penalties,  damages,  monetary  fines,  possible  exclusion  from 
participation  in  healthcare  programs,  contractual  damages,  reputational  harm,  diminished  profits  and  future  earnings,  and 
curtailment of our operations, any of which could have a material adverse effect on our ability to operate our business and our 
results of operations.

-61-

Our business and operations would suffer in the event of computer system failures or security breaches.

Despite  the  implementation  of  security  measures,  our  internal  computer  systems,  and  those  of  our  CROs,  contract 
manufacturing organizations and other third parties on which we rely, are vulnerable to damage from computer viruses, unauthorized 
access, security breaches, natural disasters, terrorism, war and telecommunication and electrical failures. System failures, accidents 
or security breaches could cause interruptions in our operations, and could result in a material disruption of our clinical activities 
and business operations, in addition to possibly requiring substantial expenditures of resources to remedy. If such an event were 
to occur and cause interruptions in our operations, it could result in a material disruption of our commercialization of our product 
and our product candidate development programs. For example, the loss of clinical trial data from completed or ongoing clinical 
trials could result in delays in our regulatory approval efforts and significantly increase our costs to recover or reproduce the data. 
To the extent that any disruptions or security breach were to result in a loss or damage to our data or applications, or inappropriate 
disclosure of confidential or proprietary information, we could incur significant unexpected losses, expenses and liabilities, we 
could face litigation or suffer reputational harm and the further development of our product candidates could be delayed.

Risks Related to our Common Stock

Our executive officers, directors and principal stockholders maintain the ability to exert significant influence and control 
over matters submitted to our stockholders for approval.

Our executive officers, directors and affiliated stockholders beneficially own shares representing approximately 22% of our 
common stock as of December 31, 2018. As a result, if these stockholders were to choose to act together, they would be able to 
exert significant influence and control over matters submitted to our stockholders for approval, as well as our management and 
affairs. For example, these persons, if they choose to act together, could influence the election of directors and approval of any 
merger, consolidation, sale of all or substantially all of our assets or other business combination or reorganization. This concentration 
of voting power could delay or prevent an acquisition of us on terms that other stockholders may desire. The interests of this group 
of stockholders may not always coincide with the interests of other stockholders, and they may act, whether by meeting or written 
consent of stockholders, in a manner that advances their best interests and not necessarily those of other stockholders, including 
obtaining a premium value for their common stock, and might affect the prevailing market price for our common stock.

Provisions in our corporate charter documents and under Delaware law could make an acquisition of us, which may be 
beneficial to our stockholders, more difficult and may prevent attempts by our stockholders to replace or remove our 
current management.

Provisions in our corporate charter and our bylaws may discourage, delay or prevent a merger, acquisition or other change in 
control of us that stockholders may consider favorable, including transactions in which our stockholders might otherwise receive 
a premium for their shares. These provisions could also limit the price that investors might be willing to pay in the future for shares 
of our common stock, thereby depressing the market price of our common stock. In addition, these provisions may frustrate or 
prevent any attempts by our stockholders to replace or remove our current management by making it more difficult for stockholders 
to replace members of our board of directors. Because our board of directors is responsible for appointing the members of our 
management  team,  these  provisions  could  in  turn  affect  any  attempt  by  our  stockholders  to  replace  current  members  of  our 
management team. Among others, these provisions:

•

•

•

•

•

•

•

establish a classified board of directors, and, as a result, not all directors are elected at one time;

allow the authorized number of our directors to be changed only by resolution of our board of directors;

limit the manner in which stockholders can remove directors from our board of directors;

establish advance notice requirements for stockholder proposals that can be acted on at stockholder meetings and
nominations to our board of directors;

require that stockholder actions must be effected at a duly called stockholder meeting and prohibit actions by our
stockholders by written consent;

limit who may call stockholder meetings;

authorize our board of directors to issue preferred stock, without stockholder approval, which could be used to
institute a "poison pill" that would work to dilute the stock ownership of a potential hostile acquirer, effectively
preventing acquisitions that have not been approved by our board of directors; and

-62-

•

require the approval of the holders of at least 67% of the outstanding voting stock to amend or repeal certain
provisions of our charter or bylaws.

Moreover, because we are incorporated in Delaware, we are governed by the provisions of Section 203 of the Delaware General 
Corporation Law, which prohibits a person who owns in excess of 15% of our outstanding voting stock from merging or combining 
with us for a period of three years after the date of the transaction in which the person acquired in excess of 15% of our outstanding 
voting stock, unless the merger or combination is approved in a prescribed manner.

The price of our common stock may be volatile and fluctuate substantially, which could result in substantial losses for 
purchasers of our common stock.

The market price of our common stock is highly volatile and may be subject to wide fluctuations in response to numerous 
factors, some of which are beyond our control. In addition to the factors discussed in this Annual Report on Form 10-K, these 
factors include:

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

the success of competitive products or technologies;

regulatory  actions  with  respect  to  our  product  or  product  candidates  or  our  competitors'  products  or  product
candidates;

actual or anticipated changes in our growth rate relative to our competitors;

the outcome of any patent infringement or other litigation that may be brought against us;

announcements  by  us  or  our  competitors  of  significant  acquisitions,  strategic  collaborations,  joint  ventures,
collaborations or capital commitments;

results of clinical trials of our product candidates or those of our competitors;

regulatory or legal developments in the EU, U.S. and other countries;

the impact of Brexit on our operations, supply chain, regulatory approvals and personnel;

developments or disputes concerning patent applications, issued patents or other proprietary rights;

the recruitment or departure of key personnel;

the level of expenses related to our product or any of our product candidates or clinical development programs;

actual or anticipated variations in our quarterly operating results;

the number and characteristics of our efforts to in-license or acquire additional product candidates or products;

introduction of new products or services by us or our competitors;

failure to meet the estimates and projections of the investment community or that we may otherwise provide to
the public;

actual or anticipated changes in estimates as to financial results, development timelines or recommendations by
securities analysts;

variations in our financial results or those of companies that are perceived to be similar to us;

fluctuations in the valuation of companies perceived by investors to be comparable to us;

share price and volume fluctuations attributable to inconsistent trading volume levels of our shares;

announcement or expectation of additional financing efforts;

sales of our common stock by us, our insiders or our other stockholders;

changes in accounting practices;

lawsuits and other claims asserted against us;

changes in the structure of healthcare payment systems;

market conditions in the pharmaceutical and biotechnology sectors;

-63-

•

•

•

•

general economic, industry and market conditions;

publication of research reports about us, our competitors or our industry, or positive or negative recommendations
or withdrawal of research coverage by securities or industry analysts;

other events or factors, many of which are beyond our control; and

the other factors described in this "Risk Factors" section.

In addition, the stock market in general, and pharmaceutical and biotechnology companies in particular, have experienced 
extreme price and volume fluctuations that have often been unrelated or disproportionate to the operating performance of these 
companies. Broad market and industry factors may negatively affect the market price of our common stock, regardless of our 
actual operating performance. The realization of any of the above risks or any of a broad range of other risks stated above could 
have a material adverse effect on the market price of our common stock.

As we operate in the pharmaceutical and biotechnology industry, we are especially vulnerable to these factors to the extent 
that they affect our industry or our products. In the past, securities class action litigation has often been initiated against companies 
following periods of volatility in their stock price. This type of litigation could result in substantial costs and divert our management's 
attention and resources, and could also require us to make substantial payments to satisfy judgments or to settle litigation.

The capped call transactions may affect the value of the Convertible Notes and our common stock.

In connection with the issuance of the Convertible Notes, we entered into capped call transactions with respect to the Convertible 
Notes with certain hedge counterparties. The capped call transactions will cover, subject to customary anti-dilution adjustments, 
the aggregate number of shares of common stock underlying the Convertible Notes and are expected generally to reduce potential 
dilution to the common stock upon conversion of the Convertible Notes in excess of the principal amount of such converted 
Convertible Notes. In connection with establishing their initial hedges of the capped call transactions, the hedge counterparties 
(or their affiliates) entered into various derivative transactions with respect to the common stock concurrently with, and/or purchased 
the common stock shortly after, the pricing of the Convertible Notes. The hedge counterparties (or their affiliates) are likely to 
modify their hedge positions by entering into or unwinding various derivative transactions with respect to the common stock and/
or by purchasing or selling the common stock or other securities of ours in secondary market transactions prior to the maturity of 
the Convertible Notes (and are likely to do so during the settlement averaging period under the capped call transactions, which 
precedes the maturity date of the Convertible Notes, and on or around any earlier conversion date related to a conversion of the 
Convertible Notes). The effect, if any, of any of these transactions and activities on the market price of our common stock or the 
Convertible Notes will depend in part on market conditions and cannot be ascertained at this time, but any of these activities could 
adversely affect the value of our common stock, which could affect the value of the Convertible Notes and the value of our common 
stock, if any, that the convertible noteholders receive upon any conversion of the Convertible Notes.

A significant portion of our total outstanding shares may be sold into the market. This could cause the market price of 
our common stock to drop significantly, even if our business is doing well.

Sales of a substantial number of shares of our common stock in the public market could occur at any time. These sales, or the 
perception in the market that the holders of a large number of shares intend to sell shares, could reduce the market price of our 
common stock. Certain holders of our common stock have rights, subject to some conditions, to require us to file registration 
statements  covering  their  shares  or  to  include  their  shares  in  registration  statements  that  we  may  file  for  ourselves  or  other 
stockholders. We also have registered on a Form S-8 registration statement all shares of common stock that we may issue under 
our equity compensation plans. As a result, these shares can be freely sold in the public market upon issuance, subject to volume 
limitations applicable to affiliates. In addition, certain of our employees, executive officers and directors have entered into, or may 
enter into, Rule 10b5-1 plans providing for sales of shares of our common stock from time to time. Under a Rule 10b5-1 plan, a 
broker executes trades pursuant to parameters established by the employee, director or officer when entering into the plan, without 
further direction from the employee, officer or director. A Rule 10b5-1 plan may be amended or terminated in some circumstances. 
Our employees, executive officers and directors may also buy or sell additional shares outside of a Rule 10b5-1 plan when they 
are not in possession of material, nonpublic information.

-64-

We may fail to qualify for continued listing on The NASDAQ Global Market which could make it more difficult for 
investors to sell their shares.

Our common stock is listed on The NASDAQ Global Market, or NASDAQ. As a NASDAQ listed company, we are required 
to satisfy the continued listing requirements of NASDAQ for inclusion in the Global Market to maintain such listing, including, 
among  other  things,  the  maintenance  of  a  minimum  closing  bid  price  of  $1.00  per  share  and  stockholders'  equity  of  at  least 
$10.0 million. There can be no assurance that we will be able to maintain compliance with the continued listing requirements or 
that our common stock will not be delisted from NASDAQ in the future. If our common stock is delisted by NASDAQ, we could 
face significant material adverse consequences, including:

•

•

•

•

•

a limited availability of market quotations for our securities;

reduced liquidity with respect to our securities;

a determination that our shares are a "penny stock," which will require brokers trading in our shares to adhere to
more stringent rules, possibly resulting in a reduced level of trading activity in the secondary trading market for
our shares;

a limited amount of news and analyst coverage for our company; and

a decreased ability to issue additional securities or obtain additional financing in the future.

If securities or industry analysts do not publish research or reports or publish unfavorable research about our business, 
the price of our common stock and trading volume could decline.

The trading market for our common stock depends in part on the research and reports that securities or industry analysts 
publish about us or our business. If securities or industry analysts do not initiate or continue coverage of us, the trading price for 
our common stock would be negatively affected. In the event we obtain securities or industry analyst coverage, if one or more of 
the analysts who covers us downgrades our common stock, the price of our common stock would likely decline. If one or more 
of these analysts ceases to cover us or fails to publish regular reports on us, interest in the purchase of our common stock could 
decrease, which could cause the price of our common stock or trading volume to decline.

We have broad discretion in the use of our cash and cash equivalents and may not use them effectively.

We have broad discretion in the use of our cash and cash equivalents, and investors must rely on the judgment of our management 
regarding the use of our cash and cash equivalents. Our management may not use cash and cash equivalents in ways that ultimately 
increase the value of your investment. Our failure to use our cash and cash equivalents effectively could result in financial losses 
that could have a material adverse effect on our business, cause the price of our common stock to decline and delay the development 
of our product and product candidates. Pending their use, we may invest our cash and cash equivalents in short-term or long-term, 
investment-grade, interest-bearing securities. These investments may not yield favorable returns. If we do not invest or apply our 
cash and cash equivalents in ways that enhance stockholder value, we may fail to achieve expected financial results, which could 
cause the price of our common stock to decline.

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

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

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

-65-

If the common stock issued as consideration in our recent acquisition of MiaMed is sold, such sales could cause our 
common stock price to decline.

The issuance of our common stock in connection with the MiaMed acquisition could have the effect of depressing the market 
price for our common stock, through dilution of earnings per share or otherwise. All of the shares of common stock issued to the 
former security holders of MiaMed in connection with the closing of the acquisition have been registered under the Securities Act 
of 1933, as amended (the "Securities Act"), pursuant to automatic shelf registration statements on Form S-3 (File No. 333-212414) 
and may now be resold by the former security holders of MiaMed to investors in the general market.

Because we do not anticipate paying any cash dividends on our capital in the foreseeable future, capital appreciation, 
if any, will be our stockholders sole source of gain.

We have never declared or paid cash dividends on our capital stock. We currently intend to retain all of our future earnings, 
if any, to finance the development and growth of our business. In addition, the terms of any future debt agreements may preclude 
us from paying dividends. As a result, capital appreciation, if any, of our common stock will be our stockholders sole source of 
gain for the foreseeable future.

Item 1B.    UNRESOLVED STAFF COMMENTS

None.

Item 2.    PROPERTIES

The following table contains information about our current significant leased properties as of December 31, 2018.

Location
Cranbury, New Jersey, USA

United Kingdom
Princeton, New Jersey, USA

Approximate
Square Feet

Lease expiry date
90,000 Office and laboratory September 2025

Use

46,617 Office

21,922 Office

August 2028

January 2022

In addition to the above, we also maintain offices in Germany, Netherlands, Italy, Spain, France, Japan, Canada, Denmark, 
and Australia. We believe that our current office and laboratory facilities are adequate and suitable for our current and anticipated 
needs. We believe that, to the extent required, we will be able to lease or buy additional facilities at commercially reasonable rates.

Item 3.    LEGAL PROCEEDINGS

We are not currently a party to any legal proceedings.

Item 4.    MINE SAFETY DISCLOSURES

None.

-66-

PART II

Item 5.    MARKET FOR THE REGISTRANT'S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND 
ISSUER PURCHASES OF EQUITY SECURITIES

Market For Our Common Stock

Our common stock has been traded on the NASDAQ Global Market under the symbol "FOLD" since May 31, 2007. Prior to 
that time, there was no public market for our common stock. The following table sets forth the range of high and low closing sales 
prices of our common stock as quoted on the NASDAQ Global Market for the periods indicated.

2018
First Quarter
Second Quarter
Third Quarter
Fourth Quarter

2017
First Quarter
Second Quarter
Third Quarter
Fourth Quarter

High

Low

$
$
$
$

$
$
$
$

17.12
17.09
16.54
13.44

High

7.79
10.44
15.78
16.24

$
$
$
$

$
$
$
$

13.76
13.13
11.60
8.38

Low

5.13
6.65
10.08
12.51

The closing price for our common stock as reported by the NASDAQ Global Market on February 15, 2019 was $11.42 per 

share. As of February 15, 2019, there were 28 holders of record of our common stock.

Dividends

We have never declared or paid any dividends on our capital stock. We currently intend to retain any future earnings to finance 
the development and growth of our business. We do not intend to declare or pay cash dividends to our stockholders in the foreseeable 
future.

Recent Sales of Unregistered Securities

We did not sell any equity securities during the fiscal year ended December 31, 2018 in transactions that were not registered 

under the Securities Act.

-67-

Performance Graph

The following performance graph compares the cumulative total return on our common stock during the last five fiscal years 
with the NASDAQ Composite Index (U.S.) and the NASDAQ Biotechnology Index during the same period. The graph shows the 
value at the end of each of the last five fiscal years, of $100 invested in our common stock. Pursuant to applicable SEC rules, all 
values assume reinvestment of the full amount of all dividends, however no dividends have been declared on our common stock 
to date. The stockholder return shown on the graph below is not necessarily indicative of future performance, and we do not make 
or endorse any predictions as to future stockholder returns.

(cid:3)$700

(cid:3)$600

(cid:3)$500

(cid:3)$400

(cid:3)$300

(cid:3)$200

(cid:3)$100

(cid:3)$(cid:882)
12/31/2013

12/31/2014

12/31/2015

12/31/2016

12/31/2017

12/31/2018

Amicus(cid:3)Therapeutics,(cid:3)Inc.

NASDAQ(cid:3)Composite

NASDAQ(cid:3)Biotechnology

Amicus Therapeutics, Inc.
NASDAQ Composite
NASDAQ Biotechnology

12/31/2013 12/31/2014
354
$           
113
$           
134
$           

$          
$          
$          

100
100
100

12/31/2015
$            
413
$            
120
$            
149

12/31/2016
$           
211
$           
129
$           
117

12/31/2017
$            
612
$            
165
$            
142

12/31/2018
$           
408
$           
159
$           
128

The stock price performance included in this graph is not necessarily indicative of future stock price performance.

Issuer Purchases of Equity Securities

We did not repurchase any shares of our common stock during the year ended December 31, 2018. We have not announced 
any plans or programs for the repurchase of our common stock. However, employees surrendered 182,396 shares to the Company, 
during the year ended December 31, 2018 at a weighted average price of $15.51 per share for the payment of the minimum tax 
liability withholding obligations upon the vesting of restricted stock units. We do not consider this a share buyback program.

-68-

Item 6.    SELECTED FINANCIAL DATA

Statement of Operations Data (in thousands except share and per share data)

2018

2017

2016

2015

2014

$

91,245

$

36,930

$

Revenue:

Net product sales

Research revenue

Total revenue

Total cost of goods sold

Gross profit

Operating expenses:

Research and development

Selling, general and administrative

Changes in fair value of contingent consideration
payable

Loss on impairment of assets

Restructuring charges

Depreciation and amortization

Total operating expenses

Loss from operations

Other income (expense):

Interest income

Interest expense

Change in fair value of derivatives

Loss on extinguishment of debt

Other income (expense)

Loss before income tax

Income tax benefit

Net loss attributable to common stockholders

Net loss attributable to common stockholders per
common share — basic and diluted

Weighted-average common shares outstanding —

basic and diluted

$

$

Balance Sheet Data (in thousands)

—

36,930

6,236

30,694

149,310

88,671

(234,322)

465,427

—

3,593

472,679

(441,985)

4,096

(17,240)

—

—

6,008

(449,121)

165,119

—

91,245

14,404

76,841

270,902

127,200

3,300

—

—

4,216

405,618

(328,777)

10,461

(22,402)

(2,739)

—

(5,632)

(349,089)

94

(348,995)

(1.88)

$

$

4,958

—

4,958

833

4,125

104,793

71,151

6,760

—

69

3,242

186,015

(181,890)

1,602

(5,398)

—

(13,302)

(4,793)

(203,781)

3,739

—

—

—

—

—

76,943

47,269

4,377

—

15

1,833

130,437

(130,437)

929

(1,578)
—
(952)

(80)

(132,118)

—

—

1,224

1,224

—

1,224

47,624

20,717

100

—

(63)

1,547

69,925

(68,701)

223

(1,484)

—

—

(77)

(70,039)

1,113

(68,926)

(284,002) $

(200,042) $

(132,118) $

(1.85) $

(1.49) $

(1.20) $

(0.93)

185,790

153,355

134,402

109,924

74,444

2018

2017

2016

2015

2014

As of December 31,

Cash and cash equivalents and marketable

securities

Working capital

Total assets

Total liabilities

Accumulated deficit

Total stockholders' equity

$

504,152

$

358,562

$

330,351

$

214,033

$

464,971

789,951

447,039

321,925

627,024

274,174

(1,412,222)

(1,063,610)

342,912

352,850

229,105

1,036,845

676,694

(779,608)

360,151

142,985

908,384

560,550

(579,566)

347,834

169,139

134,392

209,967

87,789

(447,448)

122,178

-69-

Item 7.    MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF 
OPERATIONS

Overview

We are a global patient-dedicated biotechnology company engaged in the discovery, development and commercialization of 
a diverse set of novel treatments for patients living with rare metabolic diseases. With one medicine for Fabry disease achieving 
global approval, a differentiated biologic for Pompe disease in late-stage clinical development and fourteen gene therapy programs 
in the pipeline, including two clinical stage gene therapies for Batten disease, we have a leading portfolio of therapies for lysosomal 
storage disorders (“LSDs”).

The cornerstone of our portfolio is Galafold®, (also referred to as “migalastat”), the first and only approved oral precision 
medicine for people living with Fabry disease who have amenable genetic variants, or mutations. Migalastat is currently approved 
under the trade name Galafold® in the United States (“U.S.”), European Union (“EU”) and Japan, with additional approvals granted 
and applications pending in several geographies. During the third quarter of 2018, we initiated the commercial launch of Galafold®(cid:3)
in the U.S. for the treatment of adult patients with a confirmed diagnosis of Fabry disease and an amenable genetic variant.

The lead biologics program of our pipeline is Amicus Therapeutics GAA (“AT-GAA”, also known as ATB200/AT2221), a 
novel,  clinical-stage,  potential  best-in-class  treatment  paradigm  for  Pompe  disease.  Our  Chaperone-Advanced  Replacement 
Therapy (“CHART®”) platform technology is leveraged to combine our novel Pompe biologic ATB200 with a pharmacological 
chaperone AT2221.

During the second half of 2018, we expanded our portfolio to include fourteen new gene therapy programs. During the third 
quarter of 2018, we acquired worldwide development and commercial rights for ten gene therapy programs for neurologic LSDs 
developed at The Center for Gene Therapy at The Research Institute at Nationwide Children’s Hospital ("NCH") and The Ohio 
State University through the acquisition of Celenex, Inc. (“Celenex”), a private, clinical stage gene therapy company, for cash 
consideration of $100.0 million and additional consideration payable upon the achievement of certain development and approval 
milestones. The acquisition establishes Amicus as a leading company in neurologic LSDs. The lead programs in CLN6, CLN3, 
and CLN8 Batten disease are potential first-to-market curative therapies for these rare, devastating diseases. 

In October 2018, we further expanded our gene therapy portfolio through a collaboration agreement with the Gene Therapy 
Program in the Perelman School of Medicine at the University of Pennsylvania (“Penn”) to pursue the research and development 
of novel gene therapies for four additional indications, including Pompe disease, Fabry disease, cyclin-dependent kinase-like 5 
("CDKL5") deficiency disorder (“CDD”) and one additional undisclosed rare metabolic disorder. This relationship will combine 
our protein engineering and glycobiology expertise with Penn’s adeno associated virus (“AAV”) gene transfer technologies to 
develop AAV gene therapies designed for optimal cellular uptake, targeting, dosing, safety and manufacturability.

  In  February  2019,  we  announced  that  the  U.S.  Food  and  Drug Administration  (“FDA”)  granted  Breakthrough Therapy 
Designation (“BTD”) to AT-GAA in late onset Pompe disease. AT-GAA is the first ever investigational product for Pompe disease 
to receive BTD.  The BTD will facilitate multidisciplinary, comprehensive discussions of the AT-GAA development program with 
the FDA, including planned clinical trials and plans for expediting manufacturing development strategy.  The BTD for AT-GAA 
is based on clinical efficacy results from the ongoing ATB200-02 Phase 1/2 clinical study, including improvements in six-minute 
walk distance in late onset Pompe patients and comparison to natural history of treated patients.

   We  believe  that  our  platform  technologies  and  our  product  pipeline  uniquely  position  us  and  drive  our  commitment  to 

advancing and expanding a robust pipeline of cutting-edge, first- or best-in-class medicines for rare metabolic diseases.

During the third quarter of 2018, we entered into a loan agreement with BioPharma Credit PLC, as the lender, for a $150.0 
million non-dilutive senior secured term loan (the “Senior Secured Term Loan”) with an interest rate equal to 3-month LIBOR 
plus 7.50% per annum, subject to a floor and ceiling on the rate, which matures in five years. We received net proceeds of $146.6 
million  in  September  2018,  after  deducting  fees  and  estimated  expenses  payable  by  us. There  are  no  warrants  or  any  equity 
conversion features associated with the Senior Secured Term Loan. The proceeds from this financing were used to support the 
cost of the Celenex acquisition, its related development costs and other general corporate purposes. For additional information, 
see " —Note 12. Debt" in our Notes to Consolidated Financial Statements.

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During the first quarter of 2018, we issued 20,239,839 shares of our common stock through an underwritten offering resulting 
in net proceeds of $294.6 million after deducting underwriting discounts and commissions and offering expenses payable by us. 
The net proceeds of the offering were used for investment in the U.S. and international commercial infrastructure for Galafold®, 
investment in manufacturing capabilities for the ERT ATB200, the continued clinical development of our product candidates, 
research and development expenditures, clinical and pre-clinical trial expenditures, commercialization expenditures and for other 
general corporate purposes. For additional information, see “—Note 9. Stockholders’ Equity” in our Notes to Consolidated Financial 
Statements.

Consolidated Results of Operations

Year Ended December 31, 2018 Compared to Year Ended December 31, 2017

The following table provides selected financial information for the Company:

(in thousands)

Net product sales

Cost of goods sold
Cost of goods sold as a percentage of net product sales

Operating expenses:

Research and development

Selling, general and administrative
Changes in fair value of contingent consideration payable

Loss on impairment of asset

Depreciation

Other income (expense):

Interest income

Interest expense

Change in fair value of derivatives

Other (expense) income

Income tax benefit

Years Ended December 31,

2018

2017

Change

$

91,245

14,404

15.8%

$

36,930

$

6,236

16.9%

54,315

8,168

(1.1)%

270,902

127,200
3,300
—

4,216

10,461

(22,402)

(2,739)

(5,632)

149,310

88,671
(234,322)
465,427

3,593

4,096

(17,240)

—

6,008

94

165,119

121,592

38,529
237,622

(465,427)

623

6,365

(5,162)

(2,739)

(11,640)

(165,025)
(64,993)

Net loss attributable to common stockholders

$

(348,995)

$

(284,002)

$

       Net Product Sales. Net product sales increased $54.3 million during the year ended December 31, 2018 compared to the same 
period in the prior year. Galafold® was approved for sale in the EU in May 2016 and has been approved for pricing and reimbursement 
in 22 countries, including the U.S. and Japan, as well as in select other European markets through reimbursed EAPs. The increase 
in revenue was related to the increase in the number of markets where we had obtained pricing and reimbursements and the 
corresponding increase in the number of patients being treated with Galafold®.

Cost of Goods Sold. Cost of goods sold includes manufacturing costs as well as royalties associated with sales of our product. 
Cost of goods sold as a percentage of net product sales decreased to 15.8% during the year ended December 31, 2018 compared 
to 16.9% during the same period in the prior year primarily due to the proportion of sales in countries subject to a higher royalty 
burden.

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Research and Development Expense.  The following table summarizes our principal product development programs for each 

product candidate in development, and the out-of-pocket, third party expenses incurred with respect to each product candidate:

(in thousands)
Projects
Third party direct project expenses

Migalastat (Fabry Disease)

AT-GAA (Pompe Disease)

SD-101 (EB-Epidermolysis Bullosa)

Gene therapy programs

Pre-clinical programs

Total third party direct project expenses

Other project costs

Personnel costs

Other costs

Total other project costs

Business development transactions

Total research and development costs

Years Ended December 31,

2018

2017

$

12,665

$

55,919

337

137

1,225

70,283

62,999

30,620

93,619

107,000

11,107

49,890

15,424

—

539

76,960

50,095

22,255

72,350

—

$

270,902

$

149,310

The increase in research and development costs was primarily due to $100 million in expenses associated with the acquisition 
of ten gene therapy assets with the Celenex transaction and the $7 million license upfront payment related to the collaboration 
agreement with Penn. There were also increases in personnel and other costs with the advancement and enrollment of clinical 
studies and investments in manufacturing. The decrease in costs related to the EB program was due to the discontinuation of the 
program after the results of a Phase 3 study that did not meet the primary endpoint in September 2017.

Selling, General and Administrative Expense.  Selling, general and administrative increased $38.5 million primarily due to 
the expanded geographic scope of the ongoing commercial launch of Galafold® and related operational costs of our global business, 
including establishing commercial organizations and related teams in the U.S and Japan.

Changes in Fair Value of Contingent Consideration Payable. The change in the fair value of the contingent consideration 
payable of $237.6 million resulted from a decrease in the Scioderm, Inc. (“Scioderm”) contingent consideration of $250.0 million, 
partially offset by an increase in the Callidus Biopharma, Inc. ("Callidus") contingent consideration of $12.4 million. The change 
in the fair value of the contingent consideration payable of $3.3 million is the unrealized change in fair value.  The fair value and 
change in fair value are impacted by updates to the estimated probability of achievement, assumed timing of milestones and 
adjustments to the discount periods and rates. The decrease in Scioderm contingent consideration was due to the results announced 
in September 2017 that the study did not meet the primary or secondary endpoints, and, as a result, the contingent consideration 
is no longer payable.

Loss on Impairment of Assets. For the year ended December 31, 2017, we recorded $465.4 million as impairment charges to 
assets, which primarily included $463.7 million in IPR&D. The impairment was assessed after the announcement of the results 
from the Phase 3 ESSENCE Scioderm study. There was no similar event in 2018.

Interest Income. Interest income increased $6.4 million due to the overall higher average cash and investment balances as a 

result of our financing transactions.

-72-

Change in Fair Value of Derivatives. Subsequent to the underwritten public offering on February 15, 2018, we did not have 
sufficient unissued authorized shares to cover a conversion of the Convertible Notes. The fair value of the derivative liability for 
the conversion feature and derivative asset for the capped call transactions at February 15, 2018 was determined to be $507.4 
million and $13.6 million, respectively, of which the portion that was determined to not be able to be net share settled was recorded 
with a corresponding impact to additional-paid-in-capital. Following the approval by our stockholders on June 7, 2018, to increase 
the authorized shares of common stock to 500,000,000, we now have sufficient unissued authorized shares to cover a conversion 
of the Convertible Notes. As a result, the derivative liability and derivative asset were reclassified into additional-paid-in-capital. 
Subsequent changes to fair value of the derivatives were recorded through earnings on our consolidated statements of operations 
resulting in a change in fair value of derivatives for the year ended December 31, 2018 of $2.7 million. 

Other Expense.  The $11.6 million increase in other expense was primarily due to unrealized losses on foreign exchange 

transactions.

Income Tax Benefit. The income tax benefit recorded during the year ended December 31, 2018 was primarily related to a 
provision to return variances. We are subject to income taxes in the United States, although currently not a tax payer, and in various 
foreign jurisdictions, and our foreign tax liabilities are largely dependent upon the distribution of pre-tax earnings among these 
different jurisdictions.  The income tax benefit for the year ended December 31, 2017 was $165.1 million and was primarily due 
to the reduction of the deferred tax liability related to Scioderm IPR&D as a result of announcement of the Phase 3 ESSENCE 
Study in 2017.

-73-

Year Ended December 31, 2017 Compared to Year Ended December 31, 2016

The following table provides selected financial information for the Company:

(in thousands)

Net product sales

Cost of goods sold

Cost of goods sold as a percentage of net product sales

Operating expenses:

Research and development

Selling, general and administrative
Changes in fair value of contingent consideration payable

Loss on impairment of asset

Restructuring charges

Depreciation

Other income (expense):

Interest income

Interest expense

Change in fair value of derivatives

Other income (expense)

Income tax benefit

Net loss attributable to common stockholders

Years Ended December 31,

2017

2016

Change

$

36,930

6,236

16.9%

4,958

$

833
16.8%

31,972

5,403

0.1%

149,310

88,671
(234,322)
465,427

—

3,593

4,096

(17,240)

—

6,008

165,119

(284,002)

104,793

71,151
6,760
—

69

3,242

1,602

(5,398)

(13,302)

(4,793)

3,739

(200,042)

44,517

17,520
(241,082)

465,427

(69)

351

2,494

(11,842)

13,302

10,801

161,380
(83,960)

Net Product Sales.    Net product sales were $36.9 million for Galafold® for the year ended December 31, 2017 as compared 
to $5.0 million for the year ended December 31, 2016. Galafold® was approved for sale in the EU in May 2016 and was approved 
for pricing and reimbursement in 18 countries, as well as in select other European markets through reimbursed EAPs. We began 
to recognize revenue in the third quarter of 2016.

Cost of Goods Sold.    Cost of goods sold includes manufacturing costs as well as royalties associated with sales of our product. 
Cost of goods sold as a percentage of net sales was 16.9% for the year ended December 31, 2017 as compared to 16.8% for the 
year ended December 31, 2016.

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Research and Development Expense.  The following table summarizes our principal product development programs for each 

product candidate in development, and the out-of-pocket, third party expenses incurred with respect to each product candidate:

(in thousands)
Projects
Third party direct project expenses

Migalastat (Fabry Disease)

AT-GAA (Pompe Disease)

SD-101 (EB-Epidermolysis Bullosa)

Pre-clinical programs

Total third party direct project expenses

Other project costs

Personnel costs

Other costs
Total other project costs

Years Ended December 31,

2017

2016

$

11,107

$

49,890

15,424

539

76,960

50,095

22,255
72,350

14,055

20,548

9,530

6,939

51,072

36,624

17,097
53,721

Total research and development costs

$

149,310

$

104,793

The increase in research and development costs was primarily due to increases in clinical research and manufacturing costs 
of $25.9 million, due to the advancement and enrollment of clinical studies and investments in manufacturing, for Pompe of 
$29.4 million and EB of $5.9 million. Other increases were in personnel costs of $13.5 million.

Selling, General and Administrative Expense.    Selling, general and administrative expense was $88.7 million in 2017, an 
increase of $17.5 million or 24.6% from $71.2 million in 2016. The increase in 2017 was primarily from efforts to support the 
ongoing commercial launch of Galafold®.

Changes in Fair Value of Contingent Consideration Payable.    For the year ended December 31, 2017, we recorded a gain 
of $234.3 million representing a change of $241.1 million from the $6.8 million of expense for the year ended December 31, 2016. 
The  change  in  the  fair  value  resulted  from  a  decrease  in  the  change  attributable  to  the  Scioderm  contingent  consideration  of 
$257.3 million and an increase in the change attributable to the Callidus contingent consideration of $16.2 million. The fair value 
and change in fair value are impacted by updates to the estimated probability of achievement, assumed timing of milestones and 
adjustments to the discount periods and rates. The decrease in Scioderm contingent consideration was due to the results announced 
in September 2017 that the study did not meet the primary endpoints or secondary endpoints in participants, and, as a result, the 
contingent consideration is no longer payable.

Loss on Impairment of Assets.    For the year ended December 31, 2017, we recorded $465.4 million as impairment charges 
to assets, which primarily included $463.7 million in IPR&D. The impairment was assessed after the announcement of the results 
from the Phase 3 ESSENCE study.

Depreciation.    Depreciation expense was $3.6 million in 2017, representing an increase of $0.4 million as compared to $3.2 

million in 2016. Depreciation was higher due to increased asset acquisitions, resulting in a higher depreciation base in 2016.

Interest Income.    Interest income was $4.1 million for the year ended December 31, 2017, representing an increase of $2.5 
million from $1.6 million for the year ended December 31, 2016. The increase in interest income was due to the overall higher 
average cash and investment balances as a result of our financing transactions.

Interest Expense.    Interest expense was $17.2 million in 2017 as compared to $5.4 million in 2016. Interest expense in 2017
reflected a full year interest expense amount as compared to only a partial year interest expense amount in 2016 as the debt was 
secured in December 2016.

Loss from Extinguishment of Debt.    For the year ended December 31, 2016, we recognized a non-cash loss of $13.3 million 
arising from the early extinguishment of the $80 million secured loan in the fourth quarter of 2016. There was no such event in 
the year ended December 31, 2017.

-75-

Other Income (Expense).    Other income was $6.0 million for the year ended December 31, 2017 as compared to other expense 
of $4.8 million for the year ended December 31, 2016. The increase was primarily due to unrealized gains on foreign exchange 
transactions.

Income Tax Benefit.    For the year ended December 31, 2017, we recorded an income tax benefit of $165.1 million, as compared 
to a benefit of $3.7 million in 2016. The increase was primarily due to the reduction of the deferred tax liability of $164.7 million 
related to Scioderm IPR&D as a result of the announcement of the Phase 3 ESSENCE study. We recorded an income tax benefit 
of $2.7 million in the Consolidated Statement of Operations, in connection with the reduction in the statutory corporate income 
tax rate.

-76-

Critical Accounting Policies and Significant Judgments and Estimates

The discussion and analysis of our financial condition and results of operations are based on our financial statements, which 
we have prepared in accordance with U.S. generally accepted accounting principles ("U.S. GAAP"). The preparation of these 
financial statements requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and 
the disclosure of contingent assets and liabilities at the date of the financial statements, as well as the reported revenues and expenses 
during the reporting periods. On an ongoing basis, we evaluate our estimates and judgments, including those described in greater 
detail below. We base our estimates on historical experience and on various other factors that we believe are reasonable under the 
circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are 
not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions. 
We believe that the following discussion represents our critical accounting policies.

Revenue Recognition

Our net product sales consist of sales of Galafold®

where Galafold®
received from distributors and pharmacies, with the ultimate payor often a government authority.

 is available either on a commercial basis or through a reimbursed EAP. Orders for Galafold®

 for the treatment of Fabry disease. We have recorded revenue on sales 
 are generally 

We recognize revenue when our performance obligation with our customers have been satisfied, which occurs at a point in 
time  when  the  pharmacies  or  distributors  obtain  control  of  Galafold®.  The  transaction  price  is  determined  based  on  fixed 
consideration in our customer contracts and is recorded net of estimates for variable consideration, which are third party discounts 
and rebates. The identified variable consideration is recorded as a reduction of revenue at the time revenues from sales of Galafold®(cid:3)
are recognized. We recognize revenue to the extent that it is probable that a significant revenue reversal will not occur in a future 
period. These estimates may differ from actual consideration amount received and we evaluate these estimates each reporting 
period to reflect known changes in factors.

We elected the portfolio approach practical expedient in applying ASC Topic 606, Revenue from Contracts with Customers, 
to our identified revenue streams. Contracts within each revenue stream have similar characteristics and we believe the results 
of this approach would not differ materially than if we applied ASC Topic 606 to each individual contract.

Inventories and Cost of Goods Sold

Until  regulatory  approval  of  Galafold®,  we  expensed  all  manufacturing  costs  of  Galafold®  as  research  and  development 

expense. Upon regulatory approval, we began capitalizing costs related to the purchase and manufacture of Galafold®.

Inventories are stated at the lower of cost and net realizable value determined by the first-in, first-out method. Inventories are 
reviewed periodically to identify slow-moving or obsolete inventory based on projected sales activity as well as product shelf-
life. In evaluating the recoverability of inventories produced, the probability that revenue will be obtained from the future sale of 
the related inventory is considered and inventory value is written down for inventory quantities in excess of expected requirements. 
Expired inventory is disposed of and the related costs are recognized as cost of product sales in the consolidated statements of 
operations.

Cost of goods sold includes the cost of inventory sold, manufacturing and supply chain costs, product shipping and handling 
costs, and provisions for excess and obsolete inventory, as well as royalties payable. A portion of the inventory available for sale 
was expensed as research and development costs prior to regulatory approval and as such the cost of goods sold and related gross 
margins are not necessarily indicative of future cost of goods sold and gross margin.

Research and Development Expenses

We expect to continue to incur substantial research and development expenses as we continue to develop our product candidates 

and explore new uses for our pharmacological chaperone technology. Research and development expense consists of:

•

•

internal costs associated with our research and clinical development activities;

payments we make to third party contract research organizations, contract manufacturers, investigative sites, and
consultants;

-77-

•

•

•

•

•

technology license costs;

manufacturing development costs;

personnel-related expenses, including salaries, benefits, travel, and related costs for the personnel involved in drug
discovery and development;

activities relating to regulatory filings and the advancement of our product candidates through preclinical studies
and clinical trials; and

facilities and other allocated expenses, which include direct and allocated expenses for rent, facility maintenance,
as well as laboratory and other supplies.

We have multiple research and development projects ongoing at any one time. We utilize our internal resources, employees, 
and infrastructure across multiple projects. We record and maintain information regarding external, out-of-pocket research and 
development expenses on a project-specific basis.

We expense research and development costs as incurred, including payments made to date under our license agreements. We 
believe that significant investment in product development is a competitive necessity and plan to continue these investments in 
order to realize the potential of our product candidates.

The successful development of our product candidates is highly uncertain. At this time, we cannot reasonably estimate 
or know the nature, timing, and costs of the efforts that will be necessary to complete the remainder of the development of our 
product candidates. As a result, we are not able to reasonably estimate the period, if any, in which material net cash inflows may 
commence from our product candidates. This uncertainty is due to the numerous risks and uncertainties associated with the conduct, 
duration, and cost of clinical trials, which vary significantly over the life of a project as a result of evolving events during clinical 
development, including:

•

•

•

•

•

the number of clinical sites included in the trials;

the length of time required to enroll suitable patients;

the number of patients that ultimately participate in the trials;

the results of our clinical trials; and

any mandate by the FDA or other regulatory authority to conduct clinical trials beyond those currently anticipated.

Our  expenditures  are  subject  to  additional  uncertainties,  including  the  terms  and  timing  of  regulatory  approvals,  and  the 
expense of filing, prosecuting, defending, and enforcing any patent claims or other intellectual property rights. We may obtain 
unexpected results from our clinical trials. We may elect to discontinue, delay, or modify clinical trials of some product candidates 
or focus on others. A change in the outcome of any of the foregoing variables with respect to the development of a product candidate 
could  mean  a  significant  change  in  the  costs  and  timing  associated  with  the  development,  regulatory  approval,  and 
commercialization of that product candidate. For example, if the FDA or other regulatory authorities were to require us to conduct 
clinical trials beyond those which we currently anticipate, or if we experience significant delays in enrollment in any of our clinical 
trials, we could be required to expend significant additional financial resources and time on the completion of clinical development. 
Drug development takes several years and millions of dollars in development costs.

Share-based Compensation

Stock Option Grants

In accordance with the applicable accounting guidance, we estimate the fair value of each equity award granted. We chose 
the "straight-line" attribution method for allocating compensation costs and recognized the fair value of each stock option on a 
straight-line basis over the vesting period of the related awards.

-78-

We use the Black-Scholes option pricing model when estimating the grant date fair value for stock-based awards. Use of a 
valuation model requires management to make certain assumptions with respect to selected model inputs. Expected volatility was 
based on our historical volatility since our initial public offering in May 2007. Beginning in the third quarter of 2017, the average 
expected life was determined using our actual historical data versus a "simplified" method used in prior quarters. The "simplified" 
method of estimating the expected exercise term uses the mid-point between the vesting date and the end of the contractual term. 
In earlier quarters, we did not have sufficient reliable exercise data to justify a change from the use of the "simplified" method of 
estimating the expected exercise term of employee stock option grants. The impact from this change was not material. The risk-
free interest rate is based on U.S. Treasury, zero-coupon issues with a remaining term equal to the expected life assumed at the 
date of grant. Forfeitures are estimated based on historical analysis of actual option forfeitures.

Restricted Stock Units ("RSUs") and Performance-Based Restricted Stock Units

The RSUs awarded are generally subject to graded vesting and are contingent on an employee's continued service on such 
date. RSUs are generally subject to forfeiture if employment terminates prior to the release of vesting restrictions. We expense the 
cost of the RSUs, which is determined to be the fair market value of the shares of common stock underlying the RSUs at the date 
of grant, ratably over the period during which the vesting restrictions lapse.

In addition, certain of our share-based awards are market- and performance-based and dependent upon achieving certain goals. 
The related share-based compensation expense is determined based on the estimated fair value of the underlying shares on the 
date of grant and is recognized on a straight-line basis over the vesting term. With respect to performance-based awards, we estimate 
the probability that the performance conditions will be achieved. We only recognize expense for those shares that are expected to 
vest.

Warrants

In October 2015, we entered into the October 2015 Purchase Agreement with Redmile Capital fund, LP and certain funds and 
accounts managed or advised by it (collectively referred to as "Redmile"), who beneficially owned approximately 6.7% of our 
common stock as of December 31, 2015, as set forth in the October 2015 Purchase Agreement, whereby we sold, on a private 
placement basis, (a) $50.0 million aggregate principal amount of its unsecured promissory notes and (b) 1.3 million warrants that 
have a term of five-years. The warrants are classified as equity and included in stockholder's equity. The fair value of the warrants 
were initially measured at $8.8 million using the Black-Scholes valuation model. In accordance with applicable guidance, we 
allocated the proceeds received based on the relative fair value of the notes and warrants, which resulted in $10.6 million being 
recorded as a debt discount

On February 19, 2016, we entered into a Note and Warrant Purchase Agreement (the "February 2016 Purchase Agreement") 
with Redmile whereby we sold, on a private placement basis, (a) $50 million aggregate principal amount of unsecured promissory 
notes and (b) five-year warrants to purchase up to 37 shares of our common stock for every $1,000 of the principal amount of 
notes purchased by each purchaser, for an aggregate of up to 1,850,000 shares of common stock issuable under the warrants. We 
agreed with Redmile that in full consideration of the purchase price for the notes issued under the October 2015 Purchase Agreement, 
Redmile surrendered for cancellation all notes and warrants acquired from the October 2015 Purchase Agreement and we paid 
Redmile any unpaid interest accrued thereunder.

On June 30, 2016, following the marketing approval for Galafold® in Europe, we entered into a Joinder to and Amendment 
of Note and Warrant Purchase Agreement (the "Amended Purchase Agreement") with Redmile. Such amendment joined GCM 
Grosvenor Special Opportunities Master Fund, Ltd ("GCM") to the February 2016 Purchase Agreement. There were no changes 
to  the  previously  issued  debt.  Pursuant  to  the Amended  Purchase Agreement,  we  sold  an  additional  $30 million  unsecured 
promissory notes and five year warrants to purchase up to 42 shares of the our common stock for every $1,000 of the principal 
amount of additional Notes purchased, for an aggregate of up to 1,260,000 shares of common stock issuable under the additional 
warrants.

On December 15, 2016, we entered into a Note Purchase Agreement ("Note Purchase Agreement") with GCM and RedMile, 
pursuant to which we agreed to prepay all outstanding principal and accrued and unpaid interest on the notes issued by us and held 
by GCM and Redmile. Such prepayment was made in December, 2016, which resulted in a non-cash loss of $13.3 million and is 
included as loss on extinguishment in the Consolidated Statement of Operations for the year ended December 31, 2016. The Note 
Purchase Agreement did not cancel the warrants under the Amended Purchase Agreement described above.

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In April 2018, 453,214 warrants were exercised at $7.98 per share of common stock resulting in gross cash proceeds of 

$3.6 million.

Business Combinations

We assign fair value to the tangible and intangible assets acquired and liabilities assumed based upon their estimated fair 
values on the acquisition date of acquired businesses. The purchase price allocation process requires management to make significant 
estimates  and  assumptions,  especially  at  the  acquisition  date  with  respect  to  intangible  assets  and  in-process  research  and 
development ("IPR&D"). In connection with the purchase price allocations for acquisitions, we estimate the fair value of contingent 
acquisition consideration payments utilizing a probability-based income approach inclusive of an estimated discount rate.

Although we believe the assumptions and estimates made are reasonable, they are based in part on historical experience and 
information obtained from the management of the acquired businesses and are inherently uncertain. Examples of critical estimates 
in valuing any contingent acquisition consideration issued or which may be issued and the intangible assets we have acquired or 
may acquire in the future include but are not limited to:

•

•

•

the feasibility and timing of achievement of development, regulatory and commercial milestones;

expected costs to develop the in-process research and development into commercially viable products; and

future expected cash flows from product sales.

Unanticipated events and circumstances may occur which may affect the accuracy or validity of such assumptions, estimates 

or actual results.

Intangible Assets and Goodwill

We record goodwill in a business combination when the total consideration exceeds the fair value of the net tangible and 
identifiable intangible assets acquired. Purchased in-process research and development is accounted for as an indefinite lived 
intangible asset until the underlying project is completed, at which point the intangible asset will be accounted for as a definite 
lived intangible asset, or abandoned, at which point the intangible asset will be written off or partially impaired. Goodwill and 
indefinite lived intangible assets are assessed annually for impairment on October 1 and whenever events or circumstances indicate 
that the carrying amount of an asset may not be recoverable. If it is determined that the full carrying amount of an asset is not 
recoverable, an impairment loss is recorded in the amount by which the carrying amount of the asset exceeds its fair value. No 
indicators of impairment were noted during the year ended December 31, 2018.

Valuation of Contingent Consideration Payable

Each period we reassess the fair value of the contingent acquisition consideration payable associated with certain acquisitions 
and record changes in the fair value as contingent consideration expense. Increases or decreases in the fair value of the contingent 
acquisition consideration payable can result from changes in estimated probability adjustments with respect to regulatory approval, 
changes in the assumed timing of when milestones are likely to be achieved and changes in assumed discount periods and rates. 
Significant judgment is employed in determining the appropriateness of these assumptions each period. Accordingly, future business 
and economic conditions, as well as changes in any of the assumptions described in the accounting for business combinations 
above can materially impact the amount of contingent consideration expense that we record in any given period.

Accrued Expenses

When we are required to estimate accrued expenses because we have not yet been invoiced or otherwise notified of actual 
cost, we identify services that have been performed on our behalf and estimate the level of service performed and the associated 
cost incurred. The majority of our service providers invoice us monthly in arrears for services performed. We make estimates of 
our accrued expenses as of each balance sheet date in our financial statements based on facts and circumstances known to us. 
Examples of estimated accrued expenses include:

•

•

•

fees owed to contract research organizations in connection with preclinical, toxicology studies and clinical trials;

fees owed to investigative sites in connection with clinical trials;

fees owed to contract manufacturers in connection with the production of clinical trial materials;

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•

•

fees owed for professional services, and

unpaid salaries, wages and benefits.

Liquidity and Capital Resources

As a result of our significant research and development expenditures as well as expenditures to build a commercial organization 
to support the launch of Galafold®, we have not been profitable and have generated operating losses since we were incorporated 
in  2002.  We  have  historically  funded  our  operations  principally  through  the  issuance  and  sale  of  stock,  collaborations,  debt 
financings, grants and non-refundable license fees.

Sources of Liquidity

During the third quarter of 2018, we entered into a loan agreement with BioPharma Credit PLC, as the lender, for a $150.0 
million non-dilutive senior secured term loan (the "Senior Secured Term Loan") with an interest rate equal to 3-month LIBOR 
plus 7.50% per annum, subject to a floor and ceiling on the rate, which matures in five years. We received net proceeds of $146.6 
million  in  September  2018,  after  deducting  fees  and  estimated  expenses  payable  by  us. There  are  no  warrants  or  any  equity 
conversion features associated with the Senior Secured Term Loan. The proceeds from this financing will be used to support the 
cost of the Celenex acquisition, its related development costs and other general corporate purposes. For additional information, 
see " —Note 12. Debt" in our Notes to Consolidated Financial Statements.

During the first quarter of 2018, we issued, through an underwritten offering, 20,239,839 shares of our common stock resulting 
in net proceeds of $294.6 million after deducting underwriting discounts and commissions and offering expenses payable by us. 
We  expect  to  use  the  net  proceeds  of  the  offering  for  investment  in  the  U.S.  and  international  commercial  infrastructure  for 
Galafold®, investment in manufacturing capabilities for ATB200, the continued clinical development of our product candidates, 
research and development expenditures, clinical and pre-clinical trial expenditures, commercialization expenditures and for other 
general corporate purposes. For additional information, see “—Note 9. Stockholders’ Equity” in our Notes to Consolidated Financial 
Statements.

In July 2017, we entered into an underwriting agreement ("the Underwriting Agreement") with J.P. Morgan Securities LLC 
and  Goldman  Sachs & Co. LLC,  as  representatives  of  the  several  underwriters  set  forth  on  Schedule 1  thereto,  relating  to  an 
underwritten public offering of our common stock (the "Offering"). Under the terms of the Underwriting Agreement, we issued 
and sold 21,122,449 shares at a price to the public of $12.25 per share, resulting in gross proceeds of $258.8 million, before 
deducting underwriting discounts and commissions and offering expenses payable by us. The Offering closed on July 18, 2017 
and we received net proceeds from the Offering, after deducting underwriting discounts and commissions and offering expenses 
payable by us of $243.0 million.

In December 2016, we issued $250 million aggregate principal amount of 3.00% unsecured Convertible Notes due 2023 (the 
"Convertible Notes"), in a private offering to qualified institutional buyers pursuant to Rule 144A under the Securities Act (the 
"Note Offering"). The Convertible Notes bear interest at a fixed rate of 3.00% per year, payable semiannually on June 15 and 
December 15 of each year, beginning on June 15, 2017. The Convertible Notes will mature on December 15, 2023, unless earlier 
repurchased, redeemed, or converted in accordance with their terms. The net proceeds from the Note Offering were $243.0 million, 
after deducting fees and estimated expenses payable by us. We also used approximately $13.5 million of the net proceeds from 
the Note Offering to pay the cost of the capped call transactions ("Capped Call Confirmations") that we entered into in connection 
with the Note Offering.

Cash flow discussion

As of December 31, 2018, we had cash and cash equivalents and marketable securities of $504.2 million. We invest cash in 
excess of our immediate requirements with regard to liquidity and capital preservation in a variety of interest-bearing instruments, 
including obligations of U.S. government agencies and money market accounts. Wherever possible, we seek to minimize the 
potential effects of concentration and degrees of risk. Although we maintain cash balances with financial institutions in excess of 
insured limits, we do not anticipate any losses with respect to such cash balances. For more details on the cash, cash equivalents 
and marketable securities, refer to "— Note 5. Cash, Cash Equivalents, Marketable Securities and Restricted Cash," in our Notes 
to Consolidated Financial Statements.

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Net Cash Used in Operating Activities

Net cash used in operations for the year ended December 31, 2018 was $300.0 million. The components of net cash used in 
operations included the net loss for the year ended December 31, 2018 of $349.0 million and the net increase in operating assets 
of  $16.1  million. The  change  in  operating  assets  was  primarily  due  to  increases  in  accounts  receivable  by  $13.3  million  and 
inventory of $4.2 million due to commercial sales of Galafold®, partially offset by a decrease in prepaid and other current assets 
of $2.5 million for spending to support commercial activities for Galafold® launch. The net cash used in operations was also 
impacted by an increase in accounts payable and accrued expenses of $17.1 million, mainly related to program expenses and 
support for the commercial launch of Galafold®, and a decrease in deferred reimbursement of $6.3 million due to payment of a 
milestone.

Net cash used in operations for the year ended December 31, 2017 was $213.7 million. The components of net cash used in 
operations included the net loss for the year ended December 31, 2017 of $284.0 million, an increase in operating assets of $24.7 
million and decrease in deferred reimbursements of $12.6 million. The increase in operating assets was primarily due to the change 
in prepaid and other current assets of $15.3 million for spending to support commercial activities for Galafold® launch and a 
corresponding increase in accounts receivable by $7.7 million due to commercial sales of Galafold®. The decrease in deferred 
reimbursements was due to milestone payments made to GSK. The net cash used in operations was partially offset by an increase 
in accounts payable and accrued expenses of $12.6 million, mainly related to program expenses and support for the commercial 
launch of Galafold®.

Net Cash Used in Investing Activities

Net cash used in investing activities for the year ended December 31, 2018 was $121.2 million. Our investing activities have 
consisted primarily of purchases and sales and maturities of investments and capital expenditures. Net cash used in investing 
activities reflects $578.4 million for the purchase of marketable securities, $6.3 million for the acquisition of property and equipment, 
partially offset by $463.5 million for the sale and redemption of marketable securities.

Net cash used in investing activities for the year ended December 31, 2017 was $171.2 million. Our investing activities have 
consisted primarily of purchases and sales and maturities of investments and capital expenditures. Net cash used in investing 
activities reflects $490.5 million for the purchase of marketable securities, $4.5 million for the acquisition of property and equipment, 
partially offset by $323.8 million for the sale and redemption of marketable securities.

Net Cash Provided by Financing Activities

Net cash provided by financing activities for the year ended December 31, 2018 was $450.8 million. Net cash provided by 
financing activities primarily reflects $294.6 million from the issuance of common stock, net of issuance costs, $146.6 million in 
proceeds from the Senior Secured Term Loan, net of issuance costs and estimated fees payable by us, $9.1 million from the exercise 
of stock options, and $3.6 million from the exercise of warrants, partially offset by $2.8 million from the purchase of vested RSU's.

Net cash provided by financing activities for the year ended December 31, 2017 was $247.4 million. Net cash provided by 
financing activities reflects $243.0 million from issuance of common stock, $16.3 million from the exercise of stock options, 
partially offset by $10.0 million from contingent consideration payments, $1.6 million from the purchase of vested RSUs and $0.3 
million from payments on capital lease arrangements.

Funding Requirements

We expect to incur losses from operations for the foreseeable future primarily due to research and development expenses, 
including  expenses  related  to  conducting  clinical  trials.  Our  future  capital  requirements  will  depend  on  a  number  of  factors, 
including: 

•

•

the progress and results of our preclinical and clinical trials of our drug candidates;

the cost of manufacturing drug supply for our clinical and preclinical studies, including the significant cost of
manufacturing Pompe ERT and gene therapies;

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•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

the scope, progress, results and costs of preclinical development, laboratory testing and clinical trials for our product
candidates including those testing the use of pharmacological chaperones co-formulated and co-administered with
ERT and for the treatment of LSDs and gene therapies for the treatment of rare genetic metabolic diseases;

the future results of on-going preclinical research and subsequent clinical trials for CDD, including our ability to
obtain regulatory approvals and commercialize CDKL5 therapies and obtain market acceptance for such therapies;

the costs, timing and outcome of regulatory review of our product candidates;

the number and development requirements of other product candidates that we pursue;

the costs of commercialization activities, including product marketing, sales and distribution;

the emergence of competing technologies and other adverse market developments;

our ability to successfully commercialize Galafold® (“migalastat HCl”);

our ability to manufacture or supply sufficient clinical or commercial products;

our ability to obtain reimbursement for Galafold®;

our ability to satisfy post-marketing commitments or requirements for continued regulatory approval of Galafold®;

our ability to obtain market acceptance of Galafold®;

the  costs  of  preparing,  filing  and  prosecuting  patent  applications  and  maintaining,  enforcing  and  defending
intellectual property-related claims;

the extent to which we acquire or invest in businesses, products and technologies;

our  ability  to  successfully  integrate  our  acquired  products  and  technologies  into  our  business,  including  the
possibility that the expected benefits of the transactions will not be fully realized by us or may take longer to realize
than expected;

our ability to establish collaborations and obtain milestone, royalty or other payments from any such collaborators;

our ability to adjust to changes in European and United Kingdom markets as the United Kingdom leaves the
European Union; and

fluctuations in foreign currency exchange rates; and changes in accounting standards.

While we have generated revenue from product sales in 2018, in the absence of additional funding, we expect our continuing 
operating losses to result in increases in our cash used in operations over the next several quarters and years. We may seek additional 
funding through public or private financings of debt or equity. We believe that our current cash position, including proceeds from 
the recent equity offering and expected Galafold® revenues, is sufficient to fund ongoing Fabry, Pompe and gene therapy program 
operations into at least mid-2021. Potential future business development collaborations, pipeline expansion, and investment in 
manufacturing capabilities could impact our future capital requirements.

Financial Uncertainties Related to Potential Future Payments

Milestone Payments / Royalties

Celenex - In September 2018, we expanded our pipeline by acquiring the rights and related intellectual property of ten gene 
therapy programs through our acquisition of Celenex. Celenex is a private, clinical stage gene therapy company whose lead 
programs are ten gene therapy programs including CLN6 and CLN3 which are in clinical stage, and several programs in pre-
clinical stage. Pursuant to the terms of the agreement, we acquired Celenex for cash consideration of $100 million. We also agreed 
to pay up to an additional $15 million in connection with the achievement of certain development milestones, $262 million in 
connection with the achievement of certain regulatory approval milestones across multiple programs and up to $75 million in 
tiered sales milestone payments.

NCH - Celenex has an exclusive license agreement with NCH. Under this license agreement, NCH is eligible to receive 

development and sales based milestones of up to $7.8 million from us for each product.

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Penn - In October 2018, we further expanded our gene therapy portfolio through a collaboration agreement with Penn to 
pursue research and development of novel gene therapies for four additional indications, including Pompe disease, Fabry disease, 
CDD and one additional undisclosed rare metabolic disorder. Under this collaboration agreement, Penn is eligible to receive 
certain milestone and royalty payments with respect to licensed products for each indication. Milestone payments are payable 
following the achievement of certain development and commercial milestone events in each indication, up to an aggregate of 
$86.5 million per indication. Royalty payments are based on net sales of licensed products on a licensed product-by-licensed 
product and country-by-country basis.

  MSSM - We acquired exclusive worldwide patent rights to develop and commercialize Galafold® and other pharmacological 
chaperones for the prevention or treatment of human diseases or clinical conditions by increasing the activity of wild-type and 
mutant enzymes pursuant to a license agreement with Mount Sinai School of Medicine (“MSSM”). This agreement expires upon 
expiration of the last of the licensed patent rights, which occurred in 2018 in the U.S. and will be in 2019 in Europe and Japan 
for monotherapy. If we develop a product for combination therapy of specific pharmacological chaperone such as Galafold® plus 
an  ERT  for  certain  LSDs  such  as  Fabry  disease  and  a  patent  issues  from  the  pending  MSSM  applications  covering  such  a 
combination therapy(ies), expiration for the combination product(s) will be 2024.

GSK - In November 2013, we entered into a Revised Agreement (the “Revised Agreement”) with GlaxoSmithKline (“GSK”), 
pursuant to which we have obtained global rights to develop and commercialize Galafold® as a monotherapy and in combination 
with ERT for Fabry disease. The Revised Agreement amends and replaces in its entirety the earlier agreement entered into between 
us and GSK in July 2012 (the "Original Collaboration Agreement"). Under the terms of the Revised Agreement, there was no 
upfront payment from us to GSK. For Galafold® monotherapy, GSK is eligible to receive post-approval and sales-based milestones 
up to $40 million, as well as tiered royalties in the mid-teens in eight major markets outside the United States. In addition, because 
we reacquired worldwide rights to Galafold®, we are no longer eligible to receive any milestones or royalties we would have 
been eligible to receive under the Original Collaboration Agreement.

Under our license and collaboration agreements, if we owe royalties on net sales for one of our products to more than one 
of the above licensors, we have the right to reduce the royalties owed to one licensor for royalties paid to another. The amount 
of royalties to be offset is generally limited in each license and can vary under each agreement. For the year ended December 
31, 2018, under the MSSM and GSK license and collaboration agreements, we paid $7.6 million in royalties and $1.3 million in 
sales-based milestones.

Callidus - As part of the acquisition of Callidus, we will be obligated to make additional payments to the former stockholders 
of Callidus upon the achievement by us of certain clinical milestones of up to $35 million and regulatory approval milestones of 
up to $80 million as set forth in the merger agreement. We may, at our election, satisfy certain milestone payments identified in 
the merger agreement aggregating $40 million in shares of our common stock (calculated based on a price per share equal to the 
average of the last closing bid price per share for the common stock on The NASDAQ Global Select Market for the ten trading 
days immediately preceding the date of payment). The milestone payments not permitted to be satisfied in common stock (as well 
as any payments that we are permitted to, but choose not to, satisfy in common stock), as a result of the terms of the merger 
agreement, the rules of The NASDAQ Global Select Market, or otherwise, will be paid in cash. During the second quarter of 2016, 
we reached the first clinical milestone for Callidus, which was the dosing of the first patient in a Phase 1 or 2 study. The milestone 
payment for this event was $6.0 million which was paid in our common stock during the second quarter of 2016. During the fourth 
quarter of 2018, we reached a clinical milestone for Callidus, which was the dosing of the first patient in a Phase 3 study.  The 
milestone payment for this event was $9.0 million which was paid in our common stock during the first quarter of 2019.

MiaMed - As part of the acquisition of MiaMed, Inc. ("MiaMed"), we will be obligated to make additional payments to the 
former stockholders of MiaMed upon the achievement by us of certain clinical milestones of up to $8 million, regulatory approval 
milestones of up to $10 million, and commercial milestones up to $65 million. Any milestone payment may be satisfied in cash, 
shares of our common stock, or a combination of both. The milestone payments not permitted to be satisfied in common stock (as 
well as any payments that we are permitted to, but choose not to, satisfy in common stock), as a result of the terms of the merger 
agreement, the rules of The NASDAQ Global Select Market, or otherwise, will be paid in cash. No milestone payments in connection 
with the acquisition of MiaMed have been paid.

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Contractual Obligations

The following table summarizes our significant contractual obligations and commercial commitments at December 31, 2018(cid:3)

and the effects such obligations are expected to have on our liquidity and cash flows in future periods:

(in thousands)
Operating lease obligations (2)
Capital lease obligations, including 

interest (3)

Total

$

30,887

Less than 1 year
6,244
$

$

1-3 years

3-5 years

Over 5 years

7,623

$

6,982

$

10,038

Debt obligations, including interest (4)
Purchase obligations (5)
Total fixed contractual obligations (1)
_____________________________________________________________________

508,067

586,572

47,287

$

$

22,430

47,287

76,155

331

194

107

45,149

—

30

440,488

—

—

—

—

$

52,879

$

447,500

$

10,038

(1)

(2)

(3)

(4)

This table does not include (a) any milestone payments which may become payable to third parties under license agreements
as the timing and likelihood of such payments are not known, (b) any royalty payments to third parties as the amounts of
such payments, timing and/or the likelihood of such payments are not known, (c) amounts, if any, that may be committed
in  the  future  to  construct  additional  facilities,  (d) agreements  with  clinical  research  organizations  and  other  outside
contractors who are partially responsible for conducting and monitoring our clinical trials for our drug candidates including
Galafold®. These contractual obligations are not reflected in the table above because we may terminate them without penalty,
and (e) contracts that are entered into in the ordinary course of business which are not material in the aggregate in any period
presented above.

Represents  the  future  payments  on  operating  leases  for  properties,  equipment  and  vehicles  at  the  United  States  and
international locations. For more details, refer to "— Note 13. Leases," in our Notes to Consolidated Financial Statements.

Represents the future payments of principal and interest to be made on our capital leases. For more details, refer to "—
Note 13. Leases," in our Notes to Consolidated Financial Statements.

Represents the future payments of principal and interest to be made on our $250 million 3% unsecured Convertible Notes
due 2023 (the "Convertible Notes") and our $150 million Secured Senior Term Loan due 2023 (“Senior Secured Term
Loan”).  The  Convertible  Notes  bear  interest  at  a  fixed  rate  of  3.00%  per  year,  payable  semiannually  on  June 15  and
December 15 of each year, beginning on June 15, 2017 and will mature on December 15, 2023.  The Senior Secured Term
Loan bears interest at a rate equal to the 3-month LIBOR plus 7.5% per year, payable quarterly of each year, beginning on
December 31, 2019 and will mature on September 28, 2023. In the first quarter of 2019, we converted a portion of the
Convertible  Notes  into  equity.  For  more  details,  refer  to  "—  Note 12.  Debt,"  in  our  Notes  to  Consolidated  Financial
Statements.

(5)

Represent minimum purchase commitments due to third parties. Contracts for which our commitment is variable, based on
volumes,  with  no  fixed  minimum  quantities,  and  contracts  that  can  be  canceled  without  payment  penalties  have  been
excluded. The purchase obligations included above are in addition to amounts included in total recorded on our December
31, 2018 consolidated balance sheet.

We have no other lines of credit or other committed sources of capital. To the extent our capital resources are insufficient to 
meet future capital requirements, we will need to raise additional capital or incur indebtedness to fund our operations. We cannot 
assure you that additional debt or equity financing will be available on acceptable terms, if at all.

Off-Balance Sheet Arrangements

We had no off-balance sheet arrangements as of December 31, 2018 and 2017.

Recent Accounting Pronouncements

Please refer to "— Note 2. Summary of Significant Accounting Policies," in our Notes to Consolidated Financial Statements.

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Item 7A.    QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Market  risk  is  the  risk  of  change  in  fair  value  of  a  financial  instrument  due  to  changes  in  interest  rates,  equity  prices, 
creditworthiness, financing, exchange rates or other factors. Our primary market risk exposure relates to changes in interest rates 
in our cash, cash equivalents and marketable securities. We place our investments in high-quality financial instruments, primarily 
money market funds, corporate debt securities, asset backed securities and U.S. government agency notes with maturities of less 
than one year, which we believe are subject to limited interest rate and credit risk. The securities in our investment portfolio are 
not leveraged, are classified as available-for-sale and, due to the short-term nature, are subject to minimal interest rate risk.  We 
believe that a 1% (100 basis points) change in average interest rates would either increase or decrease the market value of our 
investment portfolio by $1.7 million as of December 31, 2018. We currently do not hedge interest rate exposure and consistent 
with our investment policy, we do not use derivative financial instruments in our investment portfolio. 

We are exposed to interest rate risk with respect to variable rate debt. At December 31, 2018, we had $150 million aggregate 
principal amount of variable rate debt through our Senior Secured Term Loan. We do not currently hedge our variable interest rate 
debt. The average variable interest rate for our variable rate debt as of December 31, 2018 was 10.13%. A hypothetical 100 basis 
point increase or decrease in the average interest rate on our variable rate debt would not result in a material change in the interest 
expense. 

We have operated primarily in the U.S. with international operations increasing since the last quarter of 2015. We do conduct 
some  clinical  activities  with  vendors  outside  the  U.S. While  most  expenses  are  paid  in  U.S.  dollars,  we  now  have  increased 
transactions of expenses and cash flows in foreign currencies that are exposed to changes in foreign currency rates.

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Item 8.    FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

Management's Report on Consolidated Financial Statements and
Internal Control over Financial Reporting

The management of Amicus Therapeutics, Inc. has prepared, and is responsible for the Company's consolidated financial 
statements and related footnotes. These consolidated financial statements have been prepared in conformity with U.S. generally 
accepted accounting principles ("U.S. GAAP").

We are responsible for establishing and maintaining adequate internal control over financial reporting. Internal control over 
financial reporting is defined in Rule 13a-15(f) or 15d-15(f) promulgated under the Securities Exchange Act of 1934 as a process 
designed by, or under the supervision of the Company's principal executive and principal financial officers and effected by the 
Company's board of directors, management, and other personnel, to provide reasonable assurance regarding the reliability of 
financial reporting and the preparation of financial statements for external purposes in accordance with U.S. GAAP and includes 
those policies and procedures that:

•

•

•

pertain to the maintenance of records that in reasonable detail accurately and fairly reflect the transactions and
dispositions of the assets of Amicus Therapeutics, Inc.;

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
Amicus therapeutics, Inc. are being made only in accordance with authorizations of management and directors of
Amicus therapeutics, Inc.; and

provide  reasonable  assurance  regarding  prevention  or  timely  detection  of  unauthorized  acquisition,  use  or
disposition of the assets of Amicus Therapeutics, Inc. 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.

We  assessed  the  effectiveness  of  our  internal  control  over  financial  reporting  as  of  December  31,  2018.  In  making  this 
assessment, we used the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission (2013 
framework) ("COSO") in Internal Control — Integrated Framework. Based on our assessment we believe that, as of December 
31, 2018, our internal control over financial reporting is effective based on those criteria.

The effectiveness of the Company's internal control over financial reporting as of December 31, 2018 has been audited by 
Ernst & Young LLP, an independent registered public accounting firm, as stated in their report. This report appears on the following 
page.

Dated February 28, 2019 

/s/ JOHN F. CROWLEY

Chairman and Chief Executive Officer

/s/ DAPHNE QUIMI

Chief Financial Officer

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Report of Independent Registered Public Accounting Firm

To the Stockholders and Board of Directors of Amicus Therapeutics, Inc.

Opinion on Internal Control over Financial Reporting

We have audited Amicus Therapeutics, Inc.’s internal control over financial reporting as of December 31, 2018, 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”). In our opinion, Amicus Therapeutics, Inc. (the Company) maintained, in 
all material respects, effective control over financial reporting as of December 31, 2018, based on the COSO criteria.

We  also  have  audited,  in  accordance  with  the  standards  of  the  Public  Company Accounting  Oversight  Board  (United  States) 
(PCAOB), the consolidated balance sheets of the Company as of December 31, 2018 and 2017, the related consolidated statements 
of operations, comprehensive loss, changes in stockholders’ equity and cash flows for each of the three years in the period ended 
December 31, 2018, and the related notes and our report dated February 28, 2019 expressed an unqualified opinion thereon.

Basis for Opinion

The Company’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 Report on Consolidated 
Financial Statements and 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 are a public accounting firm registered with the PCAOB and are 
required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable 
rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB.  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.

Definition and Limitations of Internal Control Over Financial Reporting

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.

Iselin, New Jersey
February 28, 2019 

/s/ Ernst & Young LLP

-88-

Report of Independent Registered Public Accounting Firm

To the Stockholders and Board of Directors of Amicus Therapeutics, Inc.

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Amicus Therapeutics, Inc. (the Company) as of December 31, 
2018 and 2017, and the related consolidated statements of operations, comprehensive loss, changes in stockholders’ equity and 
cash flows for each of the three years in the period ended December 31, 2018, and the related notes (collectively referred to as the 
“financial statements”).  In our opinion, the financial statements present fairly, in all material respects, the consolidated financial 
position of the Company as of December 31, 2018 and 2017, and the consolidated results of its operations and its cash flows for 
each of the three years in the period ended December 31, 2018 in conformity with US generally accepted accounting principles.

We  also  have  audited,  in  accordance  with  the  standards  of  the  Public  Company Accounting  Oversight  Board  (United  States) 
(PCAOB), the Company’s internal control over financial reporting as of December 31, 2018, 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 February 28, 2019 expressed an unqualified opinion thereon.

Basis for Opinion

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 are a public accounting firm registered with the PCAOB and are required to 
be  independent  with  respect  to  the  Company  in  accordance  with  the  US  federal  securities  laws  and  the  applicable  rules  and 
regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB.  Those standards require that we plan and perform the 
audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error 
of fraud.  Our audits included performing procedures to assess the risks of material misstatement of the financial statements, 
whether due to error of fraud, and performing procedures that respond to those risks.  Such procedures included examining, on a 
test basis, evidence regarding the amounts and disclosures in the financial statements.  Our audits also include evaluating the 
accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the 
financial statements.  We believe that our audits provide a reasonable basis for our opinion.

/s/ Ernst & Young LLP

We have served as the Company's auditor since 2003.

Iselin, New Jersey
February 28, 2019 

-89-

Amicus Therapeutics, Inc.

Consolidated Balance Sheets
(in thousands, except share and per share amounts)

Assets

Current assets:

Cash and cash equivalents

Investments in marketable securities

Accounts receivable

Inventories

Prepaid expenses and other current assets

Total current assets

Property and equipment, less accumulated depreciation of $15,671 and $12,515 at December 31,
2018 and 2017, respectively

In-process research & development

Goodwill

Other non-current assets

Total Assets

Liabilities and Stockholders' Equity

Current liabilities:

Accounts payable, accrued expenses, and other current liabilities

Deferred reimbursements

Contingent consideration payable

Total current liabilities

Deferred reimbursements

Convertible notes

Senior secured term loan

Contingent consideration payable

Deferred income taxes

Other non-current liabilities

Total Liabilities

Commitments and contingencies

Stockholders' equity:

Common stock, $.01 par value, 500,000,000 shares authorized, 189,383,924 shares issued and
outstanding at December 31, 2018 Common stock, $.01 par value, 250,000,000 shares authorized,
166,989,790 shares issued and outstanding at December 31, 2017

Additional paid-in capital

Accumulated other comprehensive loss:

Foreign currency translation adjustment

Unrealized loss on available-for securities

Warrants

Accumulated deficit

Total stockholders' equity

Total Liabilities and Stockholders' Equity

See accompanying notes to consolidated financial statements

-90-

December 31,

2018

2017

$

79,749

$

424,403

21,962

8,390

16,592

551,096

11,375

23,000

197,797

6,683

49,060

309,502

9,464

4,623

19,316

391,965

9,062

23,000

197,797

5,200

$

$

789,951

$

627,024

80,625

$

5,500

—

86,125

10,156

175,006

146,734

19,700

6,465

2,853

447,039

53,890

7,750

8,400

70,040

14,156

164,167

—

17,000

6,465

2,346

274,174

1,942

1,721

1,740,061

1,400,758

495

(427)

13,063

(1,659)

(436)

16,076

(1,412,222)

(1,063,610)

342,912

$

789,951

$

352,850

627,024

Amicus Therapeutics, Inc.

Consolidated Statements of Operations
(in thousands, except share and per share amounts)

Revenue:

Net product sales

Cost of goods sold

Gross profit

Operating expenses:

Research and development

Selling, general and administrative

Changes in fair value of contingent consideration payable
Loss on impairment of assets

Restructuring charges

Depreciation

Total operating expenses

Loss from operations

Other income (expenses):

Interest income

Interest expense

Change in fair value of derivatives

Loss on extinguishment of debt

Other income (expense)

Loss before income tax

Income tax benefit

Years Ended December 31,

2018

2017

2016

$

91,245

$

36,930

$

14,404

76,841

6,236

30,694

270,902

127,200

3,300
—

—

4,216

405,618
(328,777)

10,461
(22,402)
(2,739)
—
(5,632)
(349,089)
94

149,310

88,671
(234,322)
465,427

—

3,593

472,679
(441,985)

4,096
(17,240)
—

—

6,008
(449,121)
165,119

4,958

833

4,125

104,793

71,151

6,760
—

69

3,242

186,015
(181,890)

1,602
(5,398)
—
(13,302)
(4,793)
(203,781)
3,739

Net loss attributable to common stockholders

Net loss attributable to common stockholders per common share — basic

and diluted

$

$

(348,995) $

(284,002) $

(200,042)

(1.88) $

(1.85) $

(1.49)
134,401,588

Weighted-average common shares outstanding — basic and diluted

185,790,021

153,355,144

See accompanying notes to consolidated financial statements

-91-

Amicus Therapeutics, Inc.

Consolidated Statements of Comprehensive Loss
(in thousands, except share and per share amounts)

Net loss

Other comprehensive gain (loss):

Foreign currency translation adjustment gain (loss), net of tax impact of
$0, $0, $0, respectively

Unrealized gain (loss) on available-for-sale securities

Other comprehensive income (loss)

Comprehensive loss

Years Ended December 31,

2018
(348,995) $

2017
(284,002) $

2016
(200,042)

2,537

9

2,546
(346,449) $

(3,604)
(538)
(4,142)
(288,144) $

1,945

217

2,162
(197,880)

$

$

See accompanying notes to consolidated financial statements

-92-

Amicus Therapeutics, Inc.

Consolidated Statements of Changes in Stockholders' Equity
(in thousands, except share amounts)

Balance at December 31, 2015

125,027,034

1,306

917,454

8,755

(115)

(579,566)

347,834

Common Stock

Shares

Amount

Additional
Paid-In
Capital

Warrants

Other
Comprehensive
Gain (Loss)

Accumulated
Deficit

Total
Stockholders'
Equity

Stock issued from exercise of stock
options, net

723,102

Stock issued from ATM transactions

14,989,027

Stock issued for MiaMed acquisition

Restricted stock tax vesting

Stock issued for contingent
consideration

Receivable from investor

Warrants issued in debt financing

Equity component of the Convertible
Notes issuance, net of issuance costs of
$2,709

Premium paid for Capped Call
Confirmations

Stock-based compensation

Unrealized holding gain on available-
for-sale securities

Foreign currency translation
adjustment

Net loss

825,603

268,425

858,795

—

—

—

—

—

—

—

7

150

8

—

9

—

—

—

—

—

—

—

3,029

96,918

4,599

(1,282)

6,106

932

—

88,346

(13,450)

17,504

—

—

—

—

—

—

—

—

—

7,321

—

—

—

—

—

—

Balance at December 31, 2016

142,691,986

1,480

1,120,156

16,076

Stock issued from exercise of stock
options, net

Stock issued from equity financing

Restricted stock tax vesting

Stock-based compensation

Unrealized holding gain on available-
for-sale securities

Foreign currency translation
adjustment

Net loss

2,878,681

21,122,449

296,674

—

—

—

—

29

212

—

—

—

—

—

16,272

242,825

(1,596)

23,101

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

217

1,945

—

2,047

—

—

—

—

(538)

(3,604)

—

—

—

—

—

—

—

—

—

—

—

(200,042)

(779,608)

—

—

—

—

—

—

—

(284,002)

Balance at December 31, 2017

166,989,790

1,721

1,400,758

16,076

(2,095)

(1,063,610)

Stock issued from exercise of stock
options, net

Stock issued from equity financing

Restricted stock tax vesting

Stock-based compensation

Reclassification upon ASU 2018-02
adoption

Warrants exercised

Change in fair value of derivatives

Unrealized holding gain on available-
for-sale securities

Foreign currency translation
adjustment

Net loss

1,397,908

20,239,839

303,173

—

—

453,214

—

—

—

—

14

202

—

—

—

5

—

—

—

—

9,130

294,381

(2,832)

29,260

—

6,625

2,739

—

—

—

—

—

—

—

—

(3,013)

—

—

—

—

Balance at December 31, 2018

189,383,924

$

1,942

$ 1,740,061

$ 13,063

$

—

—

—

—

(383)

—

—

9

2,537

—

68

See accompanying notes to consolidated financial statements

-93-

—

—

—

—

383

—

—

—

—

3,036

97,068

4,607

(1,282)

6,115

932

7,321

88,346

(13,450)

17,504

217

1,945

(200,042)

360,151

16,301

243,037

(1,596)

23,101

(538)

(3,604)

(284,002)

352,850

9,144

294,583

(2,832)

29,260

—

3,617

2,739

9

2,537

(348,995)

(348,995)

$ (1,412,222) $

342,912

Amicus Therapeutics, Inc.

Consolidated Statements of Cash Flows
(in thousands)

Years Ended December 31,

2018

2017

2016

$

(348,995) $

(284,002) $

(200,042)

Operating activities

Net loss

Adjustments to reconcile net loss to net cash used in operating activities:

Amortization of debt discount and deferred financing

Depreciation

Stock-based compensation

Restructuring charges

Change in fair value of derivatives

Non-cash changes in the fair value of contingent consideration payable

Charges to research expense for stock issued in asset acquisition

Loss on extinguishment of debt

Foreign currency remeasurement (gain) loss

Non-cash deferred taxes

(Gain) loss on disposal of assets

Loss on impairment

Changes in operating assets and liabilities:

Accounts receivable

Inventories

Prepaid expenses and other current assets

Other non-current assets

Account payable and accrued expenses

Non-current liabilities

Deferred reimbursements

Net cash used in operating activities

Investing activities

Sale and redemption of marketable securities

Purchases of marketable securities

Capital expenditures

Net cash used in investing activities

Financing activities

Proceeds from issuance of common stock and warrants, net of issuance costs

294,584

243,037

Payments of secured loan agreement

Payment of capital leases

Purchase of vested restricted stock units

Proceeds from exercise of stock options

Proceeds from exercise of warrants

Payment of contingent consideration

Proceeds from issuance of convertible notes, net of issuance costs

Premiums paid for Capped Call Confirmations

Proceeds from loan agreements, net of issuance costs

Net cash provided by financing activities

-94-

—

(334)

(2,832)

9,144

3,617

—

—

—

146,596

450,775

—

(308)

(1,596)

16,301

—

(10,000)

—

—

—

247,434

10,976

4,216

29,260

—

2,739

3,300

—

—

3,217

—

59

—

(13,294)

(4,205)

2,488

(1,039)

17,115

458

(6,250)

(299,955)

463,502

(578,394)

(6,308)

(121,200)

9,703

3,593

23,101

—

(265)

(234,322)

—

—

(5,620)

(167,305)

(8)

465,427

(7,725)

(897)

(15,329)

(729)

12,563

720

(12,600)

(213,695)

323,753

(490,468)

(4,526)

(171,241)

2,689

3,242

17,504

69

265

6,760

4,607

13,302

3,660

(3,742)

17

—

(1,419)

(3,651)

(394)

(970)

7,131

825

—

(150,147)

221,374

(219,932)

(5,951)

(4,509)

97,068

(80,000)

(193)

(1,282)

3,036

—

(5,000)

242,536

(13,450)

30,000

272,715

Effect of exchange rate changes on cash, cash equivalents and restricted cash(cid:3)
Net increase (decrease) in cash and cash equivalents and restricted cash(cid:3)
Cash and cash equivalents and restricted cash at beginning of year/period(cid:3)
Cash and cash equivalents and restricted cash at end of year/period(cid:3)
Supplemental disclosures of cash flow information

Cash paid during the period for interest

Contingent consideration paid in shares

Capital expenditures unpaid at the end of period

Capital expenditures funded by capital lease borrowings

1,518

31,138

51,237

82,375

7,500

$

$

— $

106

208

$

$

1,326

(136,176)

187,413

51,237

7,424

$

$

— $

— $

— $

(131)

117,928

69,485

187,413

2,990

6,115

—

944

$

$

$

$

$

See accompanying notes to consolidated financial statements

-95-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements

1. Description of Business

Amicus Therapeutics, Inc. (the “Company”) is a global patient-dedicated biotechnology company engaged in the discovery,
development and commercialization of a diverse set of novel treatments for patients living with rare metabolic diseases. With one
medicine for Fabry disease that has achieved widespread global approval, a differentiated biologic for Pompe disease in the clinic 
and the recent addition of fourteen new gene therapy programs into the pipeline, including two clinical stage gene therapies for 
Batten disease, the Company has a leading portfolio of medicines for lysosomal storage disorders (“LSDs”).

The cornerstone of the Company’s portfolio is Galafold® (also referred to as “migalastat”), the first and only approved oral 
precision medicine for people living with Fabry disease who have amenable genetic variants. Migalastat is currently approved 
under the trade name Galafold® in the United States (“U.S.”), European Union (“EU”) and Japan, with additional approvals granted 
and applications pending in several other geographies. During the third quarter of 2018, the Company initiated the commercial 
launch of Galafold® in the U.S. for the treatment of adult patients with a confirmed diagnosis of Fabry disease and an amenable 
genetic variant. 

The lead biologics program of the Company’s pipeline is Amicus Therapeutics GAA (“AT-GAA”, also known as ATB200/
AT2221),  a  novel,  clinical-stage,  potential  best-in-class  treatment  paradigm  for  Pompe  disease.  The  Company’s  Chaperone-
Advanced Replacement Therapy (“CHART®”) platform technology is leveraged to develop novel products for Pompe disease and 
potentially future other LSDs. 

During the second half of 2018, the Company has expanded its portfolio to include fourteen new gene therapy programs. In 
September  2018,  the  Company  acquired  worldwide  development  and  commercial  rights  for  ten  gene  therapy  programs  for 
neurologic LSDs developed at The Center for Gene Therapy at The Research Institute at Nationwide Children’s Hospital and The 
Ohio State University through the acquisition of Celenex, Inc., (“Celenex”) a private, clinical stage gene therapy company, for 
cash  consideration  of  $100.0  million  and  additional  consideration  payable  upon  the  achievement  of  certain  development  and 
approval milestones. The acquisition establishes the Company as a leading company in neurologic LSDs. The lead programs in 
CLN6, CLN3, and CLN8 Batten disease are potential first-to-market curative therapies for these rare, devastating diseases. For 
additional information see "—Note 3. Acquisitions."

In October 2018, the Company further expanded its gene therapy portfolio through a collaboration agreement with the Gene 
Therapy Program in the Perelman School of Medicine at the University of Pennsylvania (“Penn”) to pursue the research and 
development of novel gene therapies for four additional indications, including Pompe disease, Fabry disease, CDKL5 deficiency 
disorder (“CDD”) and one additional undisclosed rare metabolic disorder. This relationship will combine the Company's protein 
engineering and glycobiology expertise with Penn’s adeno associated virus (“AAV”) gene transfer technologies to develop AAV 
gene therapies designed for optimal cellular uptake, targeting, dosing, safety and manufacturability. 

The Company believes that its platform technologies and its product pipeline uniquely positions it and drives its commitment 

to advancing and expanding a robust pipeline of cutting-edge, first- or best-in-class medicines for rare metabolic diseases.

During the third quarter of 2018, the Company entered into a loan agreement with BioPharma Credit PLC, as the lender, for 
a $150.0 million non-dilutive senior secured term loan (the “Senior Secured Term Loan”) with an interest rate equal to 3-month 
LIBOR plus 7.50% per annum, subject to a floor and ceiling on the rate, which matures in five years. The Company received net 
proceeds of $146.6 million in September 2018, after deducting fees and estimated expenses payable by the Company. There are 
no warrants or any equity conversion features associated with the Senior Secured Term Loan. The proceeds from this financing 
were used to support the cost of the Celenex acquisition, its related development costs and other general corporate purposes. For 
additional information, see " —Note 12. Debt."

During the first quarter of 2018, the Company issued 20,239,839 shares of its common stock through an underwritten offering 
resulting in net proceeds of $294.6 million after deducting underwriting discounts and commissions and offering expenses payable 
by  the  Company. The  Company  expects  to  use  the  net  proceeds  of  the  offering  for  investment  in  the  U.S.  and  international 
commercial infrastructure for Galafold®, investment in manufacturing capabilities for the ERT ATB200, the continued clinical 
development  of  its  product  candidates,  research  and  development  expenditures,  clinical  and  pre-clinical  trial  expenditures, 
commercialization expenditures and for other general corporate purposes. For additional information, see “—Note 9. Stockholders’ 
Equity.”

-96-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

The Company had an accumulated deficit of approximately $1.4 billion as of December 31, 2018 and anticipates incurring 
losses through the fiscal year ending December 31, 2019 and beyond. The Company has been able to fund its operating losses to 
date through stock offerings, debt issuances, payments from partners during the terms of the collaboration agreements, and other 
financing arrangements. 

The current cash position, including expected Galafold® revenues, is sufficient to fund ongoing Fabry, Pompe and gene therapy 
program  operations  into  at  least  mid-2021.  Potential  future  business  development  collaborations,  pipeline  expansion,  and 
investment in manufacturing capabilities could impact the Company’s future capital requirements.

2. Summary of Significant Accounting Policies

Basis of Presentation

The  accompanying  consolidated  financial  statements  have  been  prepared  in  accordance  with  U.S.  generally  accepted 
accounting principles ("U.S. GAAP") and include all adjustments necessary for the fair presentation of the Company's financial 
position for the periods presented.

Consolidation

The consolidated financial statements include the accounts of the Company and its subsidiaries. Intercompany accounts and 

transactions are eliminated in consolidation.

Foreign Currency Transactions

The functional currency for most of the Company's foreign subsidiaries is their local currency. For non-U.S. subsidiaries that 
transact in a functional currency other than the U.S. dollar, assets and liabilities are translated at current rates of exchange at the 
balance sheet date. Income and expense items are translated at the average foreign exchange rates for the period. Adjustments 
resulting from the translation of the financial statements of the Company's foreign operations into U.S. dollars are excluded from 
the  determination  of  net  income  and  are  recorded  in  accumulated  other  comprehensive  income,  a  separate  component  of 
stockholders' equity.

Use of Estimates

The  preparation  of  financial  statements  in  conformity  with  U.S. GAAP  requires  management  to  make  estimates  and 
assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date 
of the financial statements, and the reported amounts of revenues and expenses during the reporting periods. Actual results could 
differ from those estimates.

Reclassification

Certain prior year amounts have been reclassified for comparative purposes. The reclassifications did not affect results of 

operations, net assets or cash flows.

Cash, Cash Equivalents, Restricted Cash and Marketable Securities

The Company considers all highly liquid investments purchased with a maturity of three months or less at the date of acquisition, 
to be cash equivalents. Marketable securities consist of fixed income investments with a maturity of greater than three months and 
other highly liquid investments that can be readily purchased or sold using established markets. These investments are classified 
as available-for-sale and are reported at fair value on the Company’s consolidated balance sheet. Unrealized holding gains and 
losses are reported within comprehensive income (loss) in the statements of comprehensive loss. Fair value is based on available 
market information including quoted market prices, broker or dealer quotations or other observable inputs.

Restricted cash consists primarily of funds held to satisfy the requirements of certain agreements that are restricted in their 

use and is included in non-current assets on the Company’s consolidated balance sheet. 

-97-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

Concentration of Credit Risk

The  Company's  financial  instruments  that  are  exposed  to  concentration  of  credit  risk  consist  primarily  of  cash  and  cash 
equivalents and marketable securities. The Company maintains its cash and cash equivalents in bank accounts, which, at times, 
exceed federally insured limits. The Company invests its marketable securities in high-quality commercial financial instruments. 
The Company has not recognized any losses from credit risks on such accounts during any of the periods presented. The Company 
believes it is not exposed to significant credit risk on cash and cash equivalents or its marketable securities.

The Company is subject to credit risk from its accounts receivable related to its product sales of Galafold®. The Company's 
accounts receivable at December 31, 2018 have arisen from product sales primarily in the EU and the United States. The Company 
will periodically assess the financial strength of its customers to establish allowances for anticipated losses, if any. For accounts 
receivable  that  have  arisen  from  named  patient  sales,  the  payment  terms  are  predetermined  and  the  Company  evaluates  the 
creditworthiness of each customer on a regular basis. To date, the Company has not incurred any credit losses.

Property and Equipment

Property and equipment are stated at cost, less accumulated depreciation. Depreciation is calculated over the estimated useful 
lives of the respective assets, which range from three to five years, or the lesser of the related initial term of the lease or useful life 
for leasehold improvements.

The initial cost of property and equipment consists of its purchase price and any directly attributable costs of bringing the 
asset to its working condition and location for its intended use. Expenditures incurred after the fixed assets have been put into 
operation, such as repairs and maintenance, are charged to income in the period in which the costs are incurred. Major replacements, 
improvements and additions are capitalized in accordance with Company policy.

Revenue Recognition

The Company’s net product sales consist of sales of Galafold® for the treatment of Fabry disease. The Company has recorded 
revenue on sales where Galafold® is available either on a commercial basis or through a reimbursed early access program (“EAP”). 
Orders for Galafold® are generally received from distributors and pharmacies, with the ultimate payor often a government authority.

The Company recognizes revenue when its performance obligations to its customers have been satisfied, which occurs at a 
point in time when the pharmacies or distributors obtain control of Galafold®. The transaction price is determined based on fixed 
consideration in the Company’s customer contracts and is recorded net of estimates for variable consideration, which are third 
party discounts and rebates. The identified variable consideration is recorded as a reduction of revenue at the time revenues from 
sales of Galafold® are recognized. The Company recognizes revenue to the extent that it is probable that a significant revenue 
reversal will not occur in a future period. These estimates may differ from actual consideration received. The Company evaluates 
these estimates each reporting period to reflect known changes.

The Company elected the portfolio approach practical expedient in applying ASC Topic 606, Revenue from Contracts with 
Customers, to its identified revenue streams. Contracts within each revenue stream have similar characteristics and the Company 
believes this approach would not differ materially from applying ASC Topic 606 to each individual contract.

Inventories and Cost of Goods Sold

Prior to regulatory approval of Galafold®, the Company expensed all manufacturing costs related to Galafold® as research 
and development expense. Upon regulatory approval, the Company began capitalizing costs related to the purchase and manufacture 
of Galafold®.

Inventories are stated at the lower of cost and net realizable value, determined by the first-in, first-out method. Inventories 
are reviewed periodically to identify slow-moving or obsolete inventory based on projected sales activity as well as product shelf-
life. In evaluating the recoverability of inventories produced, the probability that revenue will be obtained from the future sale of 
the related inventory is considered and inventory value is written down for inventory quantities in excess of expected requirements. 
Expired inventory is disposed of and the related costs are recognized as cost of product sales in the consolidated statements of 
operations.

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Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

Cost of goods sold includes the cost of inventory sold, manufacturing and supply chain costs, product shipping and handling 
costs, provisions for excess and obsolete inventory, as well as royalties payable. A portion of the inventory available for sale was 
expensed as research and development costs prior to regulatory approval and as such the cost of goods sold and related gross 
margins are not necessarily indicative of future cost of goods sold and gross margin.

Fair Value Measurements

The Company records certain asset and liability balances under the fair value measurements as defined by the FASB guidance. 
Current FASB fair value guidance emphasizes that fair value is a market-based measurement, not an entity-specific measurement. 
Therefore, a fair value measurement should be determined based on the assumptions that market participants would use in pricing 
the asset or liability. As a basis for considering market participant assumptions in fair value measurements, current FASB guidance 
establishes a fair value hierarchy that distinguishes between market participant assumptions based on market data obtained from 
sources independent of the reporting entity (observable inputs that are classified within Levels 1 and 2 of the hierarchy) and the 
reporting entity's own assumptions that market participants assumptions would use in pricing assets or liabilities (unobservable 
inputs classified within Level 3 of the hierarchy).

Level 1 inputs utilize quoted prices (unadjusted) in active markets for identical assets or liabilities that the Company has the 
ability to access at measurement date. Level 2 inputs are inputs other than quoted prices included in Level 1 that are observable 
for the asset or liability, either directly or indirectly. Level 2 inputs may include quoted prices for similar assets and liabilities in 
active markets, as well as inputs that are observable for the asset or liability (other than quoted prices), such as interest rates, foreign 
exchange rates, and yield curves that are observable at commonly quoted intervals. Level 3 inputs are unobservable inputs for the 
asset or liability, which is typically based on an entity's own assumptions, as there is little, if any, related market activity. In instances 
where the determination of the fair value measurement is based on inputs from different levels of the fair value hierarchy, the level 
in the fair value hierarchy within which the entire fair value measurement falls is based on the lowest level input that is significant 
to the fair value measurement in its entirety. The Company's assessment of the significance of a particular input to the fair value 
measurement in its entirety requires judgment, and considers factors specific to the asset or liability.

Contingent Liabilities

On  an  ongoing  basis,  the  Company  may  be  involved  in  various  claims,  and  legal  proceedings.  On  a  quarterly  basis,  the 
Company reviews the status of each significant matter and assesses its potential financial exposure. If the potential loss from any 
claim, asserted or unasserted, or legal proceeding is considered probable and the amount can be reasonably estimated, the Company 
will accrue a liability for the estimated loss. Because of uncertainties related to claims and litigation, accruals will be based on the 
Company's best estimates based on available information. On a periodic basis, as additional information becomes available, or 
based on specific events such as the outcome of litigation or settlement of claims, the Company may reassess the potential liability 
related to these matters and may revise these estimates, which could result in material adverse adjustments to the Company's 
operating results.

Research and Development Costs

Research and development costs are expensed as incurred. Research and development expense consists primarily of costs 
related to personnel, including salaries and other personnel related expenses, consulting fees and the cost of facilities and support 
services used in drug development. Assets acquired that are used for research and development and have no future alternative use 
are expensed as in-process research and development.

Interest Income and Interest Expense

Interest income consists of interest earned on the Company's cash and cash equivalents and marketable securities. Interest 

expense consists of interest incurred on debt and capital leases.

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Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

Income Taxes

The Company accounts for income taxes under the liability method. Under this method deferred income tax liabilities and 
assets are determined based on the difference between the financial statement carrying amounts and tax basis of assets and liabilities 
and for operating losses and tax credit carry forwards, using enacted tax rates in effect in the years in which the differences are 
expected to reverse. A valuation allowance is recorded if it is "more likely than not" that a portion or all of a deferred tax asset 
will not be realized.

Other Comprehensive Income (Loss)

Components of other comprehensive income (loss) include unrealized gains and losses on available-for-sale securities and 

gain (loss) on foreign currency transactions, and are included in the statements of comprehensive loss.

Leases

In the ordinary course of business, the Company enters into lease agreements for office space as well as leases for certain 
property and equipment. The leases have varying terms and expirations and have provisions to extend or renew the lease agreement, 
among other terms and conditions, as negotiated. Once the agreement is executed, the lease is assessed to determine whether the 
lease qualifies as a capital or operating lease.

When a non-cancelable operating lease includes any fixed escalation clauses and lease incentives for rent holidays or build-
out contributions, rent expense is recognized on a straight-line basis over the initial term of the lease. The excess between the 
average rental amount charged to expense and amounts payable under the lease is recorded in accrued expenses.

Nonqualified Cash Deferral Plan

The  Company's  Cash  Deferral  Plan  (the  "Deferral  Plan"),  provides  certain  key  employees  and  members  of  the  Board  of 
Directors as selected by the Compensation Committee of the Board of Directors of the Company (the "Compensation Committee"), 
with an opportunity to defer the receipt of such participant's base salary, bonus and director's fees, as applicable. The Deferral Plan 
is intended to be a nonqualified deferred compensation plan that complies with the provisions of Section 409A of the Internal 
Revenue Code (the "Code"). All of the investments held in the Deferral Plan are classified as investments held-to-maturity and 
recorded at fair value with changes in the investments' fair value recognized as earnings in the period they occur. The corresponding 
liability for the Deferral Plan is included in other non-current liability in the consolidated balance sheets.

Equity-based Compensation

At December 31, 2018, the Company had three equity-based employee compensation plans, which are described more fully 
in "— Note 9. Stockholders' Equity." The Company applies the fair value method of measuring equity-based compensation, which 
requires a public entity to measure the cost of employee services received in exchange for an award of equity instruments based 
on the grant-date fair value of the award.

Loss per Common Share

The Company calculates net loss per share as a measurement of the Company's performance while giving effect to all dilutive 
potential common shares that were outstanding during the reporting period. The Company had a net loss for all periods presented; 
accordingly, the inclusion of common stock options, unvested RSUs and warrants would be anti-dilutive. Therefore, the weighted 
average shares used to calculate both basic and diluted earnings per share are the same. See "— Note 17. Basic and Diluted Net 
Loss per Common Share" for further discussion on net loss per share.

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Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

Segment Information

The Company currently operates in one business segment focused on the discovery, development and commercialization of 
advanced therapies to treat a range of devastating rare and orphan diseases. The Company is not organized by market and is 
managed  and  operated  as  one  business.  A  single  management  team  reports  to  the  chief  operating  decision  maker  who 
comprehensively manages the entire business. The Company does not operate any separate lines of business or separate business 
entities with respect to its products. Accordingly, the Company does not accumulate discrete financial information with respect to 
separate service lines, and thus there is one reporting unit.

Business Combinations

The Company assigns fair value to the tangible and intangible assets acquired and liabilities assumed based upon their estimated 
fair values on the acquisition date from acquired businesses. The purchase price allocation process requires management to make 
significant estimates and assumptions, especially at the acquisition date with respect to intangible assets and in-process research 
and development ("IPR&D"). In connection with the purchase price allocations for acquisitions, the Company estimates the fair 
value of contingent payments utilizing a probability-based income approach inclusive of an estimated discount rate.

Contingent Consideration Payable

The  Company  determines  the  fair  value  of  contingent  acquisition  consideration  payable  on  the  acquisition  date  using  a 
probability-based income approach utilizing an appropriate discount rate. Contingent acquisition consideration payable is shown 
as a non-current liability on the Company's consolidated balance sheets. The fair value of the contingent consideration payable 
will be determined each period end and the resulting change will be recorded on the consolidated statements of operations.

Intangible Assets and Goodwill

The Company records goodwill in a business combination when the total consideration exceeds the fair value of the net 
tangible and identifiable intangible assets acquired. Purchased IPR&D is accounted for as an indefinite lived intangible asset until 
the underlying project is completed, at which point the intangible asset will be accounted for as a definite lived intangible asset, 
or abandoned, at which point the intangible asset will be written off or partially impaired. Goodwill and indefinite lived intangible 
assets are assessed annually for impairment and whenever events or circumstances indicate that the carrying amount of an asset 
may not be recoverable. If it is determined that the full carrying amount of an asset is not recoverable, an impairment loss is 
recorded in the amount by which the carrying amount of the asset exceeds its fair value.

Recent Accounting Developments - Guidance Adopted in 2018

ASU 2018-07 - In June 2018, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update 
(“ASU”)  2018-07,  Compensation-Stock  Compensation  (Topic  718):  Improvements  to  Non-employee  Share-Based  Payment 
Accounting (“ASU 2018-07”).These amendments expand the scope of Topic 718, Compensation-Stock Compensation (which 
currently only includes share-based payments to employees) to include share-based payments issued to non-employees for goods 
or services. Consequently, the accounting for share-based payments to non-employees and employees will be substantially aligned. 
ASU 2018-07 supersedes Subtopic 505-50, Equity-Equity-Based Payments to Non-Employees, and is effective for all public 
entities for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is 
permitted, but no earlier than a company’s adoption date of Topic 606, Revenue from Contracts with Customers. The Company 
early adopted ASU 2018-07 in the second quarter of 2018 and there was no material impact on its consolidated financial statements 
from the adoption.

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Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

ASU 2018-02 - In February 2018, the FASB issued ASU 2018-02, Income Statement - Reporting Comprehensive Income 
(Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income (“ASU 2018-02”). Prior 
to ASU 2018-02, U.S. GAAP required the remeasurement of deferred tax assets and liabilities as a result of a change in tax laws 
or rates to be presented in net income from continuing operations, even in situations in which the related income tax effects of 
items in accumulated other comprehensive income were originally recognized in other comprehensive income. As a result, such 
items, referred to as stranded tax effects, did not reflect the appropriate tax rate. Under ASU 2018-02, entities are permitted, but 
not required, to reclassify from accumulated other comprehensive income to retained earnings those stranded tax effects resulting 
from the Tax Cuts and Jobs Act of 2017. ASU 2018-02 is effective for all entities for fiscal years beginning after December 15, 
2018, and interim periods within those fiscal years. Early adoption is permitted. The Company adopted the new standard effective 
January 1, 2018. As a result of the adoption, the Company reclassified a gain of $383,000 from the foreign currency translation 
adjustment in accumulated other comprehensive loss to accumulated deficit in the consolidated balance sheet as of December 
31, 2018.

ASU 2017-09 - In May 2017, the FASB issued ASU 2017-09, Compensation-Stock Compensation (Topic 718): Scope of 
Modification Accounting (“ASU 2017-09”). The amendments in ASU 2017-09 provide guidance on determining which changes 
to the terms and conditions of share-based payment awards require an entity to apply modification accounting under ASU 
2017-09. An entity should account for the effects of a modification unless all the following are met: (1) The fair value (or 
calculated value or intrinsic value, if such an alternative measurement method is used) of the modified award is the same as the 
fair value (or calculated value or intrinsic value, if such an alternative measurement method is used) of the original award 
immediately before the original award is modified. If the modification does not affect any of the inputs to the valuation technique 
that the entity uses to value the award, the entity is not required to estimate the value immediately before and after the modification; 
(2) The vesting conditions of the modified award are the same as the vesting conditions of the original award immediately before
the original award is modified; and (3) The classification of the modified award as an equity instrument or a liability instrument
is the same as the classification of the original award immediately before the original award is modified. ASU 2017-09 is effective
for all entities for annual periods, including interim periods within those annual periods, beginning after December 15, 2017.
The Company adopted this standard on January 1, 2018 and the adoption did not have a material impact on its consolidated
financial statements.

ASU 2017-01 - In January 2017, the FASB issued ASU 2017-01, Business Combinations (Topic 805): Clarifying the 
Definition of a Business (“ASU 2017-01”). This ASU clarifies the definition of a business. The amendments affect all companies 
and other reporting organizations that must determine whether they have acquired or sold a business. The amendments in ASU 
2017-01 are effective for public companies for annual periods beginning after December 15, 2017, including interim periods 
within those periods. The amendments should  be applied prospectively as of the beginning of the period of  adoption. The 
Company  adopted ASU  2017-01  on  January  1,  2018.  The  adoption  of  the  standard  did  not  have  a  material  impact  on  its 
consolidated financial statements. For additional information see "—Note 3. Acquisitions."

ASU 2016-18 - In November 2016, the FASB issued ASU No. 2016-18, Statement of Cash Flows (Topic 230): Restricted 
Cash (“ASU 2016-18”). The amendments of ASU 2016-18 require an entity to include amounts generally described as restricted 
cash and restricted cash equivalents with cash and cash equivalents when reconciling the beginning of period and end of period 
total amounts on the statement of cash flows. The amendments of ASU 2016-18 are effective for annual reporting periods 
beginning after December 15, 2017, and interim periods within those annual periods. The Company adopted the guidance in 
ASU 2016-18 effective January 1, 2018. In connection with the adoption of the standard, the Company applied the guidance 
retrospectively which resulted in an increase in cash flows from operations of $1.8 million on the statement of cash flows for 
the year ended December 31, 2017.

ASU 2016-16 - In October 2016, the FASB issued ASU 2016-16, Income Taxes (Topic 740): Intra-Entity Transfers of 
Assets Other Than Inventory (“ASU 2016-16”). ASU 2016-16 requires an entity to recognize the income tax consequences of 
an intra-entity transfer of an asset other than inventory when the transfer occurs. The amendments eliminate the exception for 
an intra-entity transfer of an asset other than inventory. The amendments in ASU 2016-16 are effective for public business 
entities for annual periods beginning after December 15, 2017, including interim reporting periods within those annual reporting 
periods. The Company adopted ASU 2016-16 on January 1, 2018 and there was no material impact from the adoption.

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Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

ASU 2016-01 - In January 2016, the FASB issued ASU No. 2016-01, Financial Instruments-Overall: Recognition and 
Measurement of Financial Assets and Financial Liabilities (“ASU 2016-01”). ASU 2016-01 changes accounting for equity 
investments,  financial  liabilities  under  the  fair  value  option,  and  presentation  and  disclosure  requirements  for  financial 
instruments. ASU 2016-01 does not apply to equity investments in consolidated subsidiaries or those accounted for under the 
equity method of accounting. In addition, the FASB clarified guidance related to the valuation allowance assessment when 
recognizing deferred tax assets resulting from unrealized losses on available-for-sale debt securities. Equity investments with 
readily determinable fair values will be measured at fair value with changes in fair value recognized in net income. Companies 
have the option to measure equity investments without readily determinable fair values at either fair value or at cost adjusted 
for changes in observable prices minus impairment. Companies that elect the fair value option for financial liabilities must 
recognize changes in fair value related to instrument-specific credit risk in other comprehensive income. Companies must assess 
valuation allowances for deferred tax assets related to available-for-sale debt securities in combination with their other deferred 
tax assets. ASU 2016-01 is effective beginning in the first quarter of 2018 and the Company adopted it in the first quarter of 
2018. There was no impact on the Company’s consolidated financial statements and related disclosures upon adoption, as the 
Company does not have equity investments or liabilities with credit risk. In addition, the guidance relating to deferred tax assets 
did not result in a change in accounting treatment for the Company.

ASU 2014-09 - In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606) which 
along with amendments issued in 2015 and 2016, replaced substantially all current U.S. GAAP guidance on this topic and 
eliminated industry-specific guidance. The new revenue recognition standard requires entities to recognize revenue to depict 
the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects 
to  be  entitled  in  exchange  for  those  goods  or  services.  Effective  January  1,  2018,  the  Company  adopted  the  new  revenue 
recognition  standard  using  the  modified  retrospective  approach  and  applied  this  approach  only  to  contracts  that  were  not 
completed as of January 1, 2018. The timing of revenue recognition and treatment of contract costs remains unchanged under 
the new revenue recognition standard. As such, the adoption of the new revenue recognition standard did not have a material 
impact on the Company's consolidated financial statements. The information presented for the periods prior to January 1, 2018 
has not been restated and is reported under the accounting standard in effect for those periods.

Recent Accounting Developments - Guidance Not Yet Adopted

In August  2018,  the  Securities  Exchange  Commission  (“SEC”)  issued  Final  Rule  33-10532,  Disclosure  Update  and 
Simplification, which amends certain disclosure requirements that were redundant, duplicative, overlapping or superseded by 
other SEC disclosure requirements. The amendments generally eliminated or otherwise reduced certain disclosure requirements 
of various SEC rules and regulations. However, in some cases, the amendments require additional information to be disclosed, 
including changes in stockholders’ equity in interim periods. The rule is effective 30 days after its publication in the Federal 
Register. The rule was posted on October 4, 2018. On September 25, 2018, the SEC released guidance advising it will not object 
to a registrant adopting the requirement to include changes in stockholders’ equity in the Form 10-Q for the first quarter beginning 
after the effective date of the rule. The Company is currently assessing the impact that this standard will have on its consolidated 
financial statements upon adoption and expects to adopt the guidance in it's Form 10-Q for the period ended March 31, 2019.

ASU  2018-13  -  In August  2018,  the  FASB  issued ASU  2018-03,  Fair  Value  Measurement  (Topic  820):  Disclosure 
Framework-Changes to the Disclosure Requirements for Fair Value Measurement (“ASU 2018-13”). The amendments modify 
the disclosure requirements in Topic 820. ASU 2018-13 is effective for all entities for fiscal years, and interim periods within 
those fiscal years, beginning after December 15, 2019. The amendments on changes in unrealized gains and losses, the range 
and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements, and the narrative 
description  of  measurement  uncertainty  should  be  applied  prospectively  for  only  the  most  recent  interim  or  annual  period 
presented in the initial fiscal year of adoption. All other amendments should be applied retrospectively to all periods presented 
upon their effective date. Early adoption is permitted. An entity is permitted to early adopt any removed or modified disclosures 
upon issuance of ASU 2018-13 and delay adoption of the additional disclosures until their effective date. The Company is 
currently assessing the impact that this standard will have on its consolidated financial statements upon adoption.

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Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

ASU  2017-08  -  In  March  2017,  the  FASB  issued ASU  2017-08,  Receivables-Nonrefundable  Fees  and  Other  Costs 
(Subtopic 310-20), Premium Amortization on Purchased Callable Debt Securities (“ASU 2017-08”). The amendments in ASU 
2017-08 shorten the amortization period for certain callable debt securities held at a premium. Specifically, the amendments 
require the premium to be amortized to the earliest call date. The amendments do not require an accounting change for securities 
held at a discount; the discount continues to be amortized to maturity. ASU 2017-08 is effective for public business entities for 
fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018. Early adoption is permitted, 
including adoption in an interim period. If an entity early adopts in an interim period, any adjustments should be reflected as 
of the beginning of the fiscal year that includes that interim period. The amendments should be applied on a modified retrospective 
basis, with a cumulative-effect adjustment directly to retained earnings as of the beginning of the period of adoption. The 
Company is currently assessing the impact that this standard will have on its consolidated financial statements.

ASU 2017-04 - In January 2017, the FASB issued ASU 2017-04, Intangibles - Goodwill and Other (Topic 350): Simplifying 
the  Test  for  Goodwill  Impairment  (“ASU  2017-04”). To  simplify  the  subsequent  measurement  of  goodwill, ASU  2017-04 
eliminates Step 2 from the goodwill impairment test. The annual, or interim, goodwill impairment test is performed by comparing 
the fair value of a reporting unit with its carrying amount. An impairment charge should be recognized for the amount by which 
the carrying amount exceeds the reporting unit’s fair value; however, the loss recognized should not exceed the total amount of 
goodwill allocated to that reporting unit. In addition, income tax effects from any tax deductible goodwill on the carrying amount 
of the reporting unit should be considered when measuring the goodwill impairment loss, if applicable. ASU 2017-04 also 
eliminates the requirements for any reporting unit with a zero or negative carrying amount to perform a qualitative assessment 
and, if it fails that qualitative test, to perform Step 2 of the goodwill impairment test. An entity still has the option to perform 
the qualitative assessment for a reporting unit to determine if the quantitative impairment test is necessary. ASU 2017-04 should 
be applied on a prospective basis. The nature of and reason for the change in accounting principle should be disclosed upon 
transition. A public business entity that is a U.S. SEC filer should adopt ASU 2017-04 for its annual or any interim goodwill 
impairment tests in fiscal years beginning after December 15, 2019. Early adoption is permitted for interim or annual goodwill 
impairment tests performed on testing dates after January 1, 2017. The Company is currently assessing the impact that this 
standard will have on its consolidated financial statements.

ASU 2016-02 - In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842) (“ASU 2016-02”). ASU 2016-02
requires the recognition of lease assets and lease liabilities on the balance sheet for all lease obligations and disclosing key 
information about leasing arrangements. ASU 2016-02 requires the recognition of lease assets and lease liabilities by lessees 
for those leases classified as operating leases under previous generally accepted accounting principles. ASU 2016-02 will be 
effective for the Company for all annual and interim periods beginning after December 15, 2018, including interim periods 
within those fiscal years. In August 2018, the FASB issued ASU 2018-11, Leases (Topic 842): Targeted Improvements, (“ASU 
2018-11”). ASU 2018-11 provide entities with an additional transition method for adoption, whereby, an entity initially applies 
the new leases standard at the adoption date and recognizes a cumulative-effect adjustment to the opening balance of retained 
earnings in the period of adoption. The Company will adopt these standards effective January 1, 2019 and elect the transition 
method in ASU 2018-11. The Company will also elect certain of the practical expedients permitted, including the expedient 
that permits the Company to retain its existing lease assessment and classification. The Company is currently working through 
an adoption plan which includes the evaluation of lease contracts compared to the new standard and estimates that the impact 
that this standard will have on its consolidated financial statements will be an increase to lease liabilities and right-of-use assets 
of approximately $15 million to $18 million.

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Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

3. Acquisitions

Acquisition of Celenex

In September 2018, the Company expanded its pipeline by acquiring the rights and related intellectual property of ten gene 
therapy programs through its acquisition of Celenex. Celenex is a private, clinical stage gene therapy company whose lead 
programs are ten gene therapy programs including CLN6 and CLN3, which are in clinical stage, and several programs in pre-
clinical stage. Pursuant to the terms of the agreement, the Company acquired Celenex for cash consideration of $100 million. 
The Company has also agreed to pay up to an additional $15 million in connection with the achievement of certain development 
milestones, $262 million in connection with the achievement of certain regulatory approval milestones across multiple programs 
and up to $75 million in tiered sales milestone payments. Celenex has an exclusive license agreement with Nationwide Children’s 
Hospital (“NCH”). Under this license agreement, NCH is eligible to receive development and sales based milestones of up to 
$7.8 million for each product.

The Company evaluated the Celenex transaction and concluded that the transaction did not meet the definition of a business 
and was an asset acquisition. Given the fact that the license has no alternative future use, the $100.0 million upfront payment 
was expensed to research and development expense in the Consolidated Statements of Operations for the year ended December 
31, 2018.

Acquisition of MiaMed, Inc.

In July 2016, the Company entered into an Agreement and Plan of Merger (the "MiaMed Agreement") with MiaMed, Inc., 
("MiaMed"). MiaMed is a pre-clinical biotechnology company focused on developing protein replacement therapy for CDD and 
related diseases. Under the terms of the MiaMed Agreement, the former holders of MiaMed's capital stock received an aggregate 
of $6.5 million, comprised of (i) approximately $1.8 million in cash (plus MiaMed's cash and cash equivalents at closing and less 
any of MiaMed's unpaid third-party fees and expenses related to the transaction), and (ii) 825,603 shares of the Company's common 
stock. In addition, the Company also agreed to pay up to an additional $83.0 million in connection with the achievement of certain 
clinical, regulatory and commercial milestones, for a potential aggregate deal value of $89.5 million. The Company evaluated the 
transaction and concluded that it only acquired inputs and did not acquire any processes. The Company will need to develop its 
own processes in order to produce an output. Therefore, the Company accounted for the transaction as an asset acquisition and 
accordingly $6.5 million was expensed to research and development expense in the Consolidated Statements of Operation for the 
year ended December 31, 2016.

Acquisition of Scioderm, Inc.

In September 2015, the Company acquired Scioderm Inc., ("Scioderm"), a privately-held biopharmaceutical company focused 
on developing innovative therapies for treating the rare disease, Epidermolysis Bullosa ("EB"). The acquisition potentially leveraged 
the  Scioderm  development  team's  EB  expertise  with  the  Company's  global  clinical  infrastructure  to  advance  SD-101toward 
regulatory approvals and the Company's commercial, patient advocacy, and medical affairs infrastructure to support a successful 
global launch. The acquisition of Scioderm was accounted for as a purchase of a business in accordance with ASC 805 Business 
Combinations.

At the end of the first quarter of 2017, the Company achieved 100% enrollment in the Phase 3 clinical study of SD-101 and 
the milestone payment of $10 million due for this event, was paid in April 2017. On September 13, 2017, the Company reported 
that top-line data from the randomized, double-blind, placebo-controlled Phase 3 clinical study ("ESSENCE, SD-5") to assess the 
efficacy and safety of the novel topical wound-healing agent SD-101 did not meet the primary endpoints or secondary endpoints 
in participants with EB. Based on these top-line data, the Company has no current plans to invest in any additional clinical studies 
or commercial preparation activities for SD-101. The associated impairment of Scioderm IPR&D is discussed in "— Note 4. 
Goodwill and Intangible Assets."

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Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

The Company was previously developing SD-101 in late-stage development as a potential first-to-market therapy for the 
chronic, rare connective tissue disorder Epidermolysis Bullosa ("EB"). On September 13, 2017, the Company reported that top-
line data from the randomized, double-blind, placebo-controlled Phase 3 clinical study ("ESSENCE" or "SD-005") to assess the 
efficacy and safety of the novel topical wound-healing agent SD-101 did not meet the primary endpoints or secondary endpoints 
in participants with EB. The Company plans to further analyze and share the Phase 3 ESSENCE results with key stakeholders in 
the EB community including physicians, patient organizations and regulators. In the interim, in consultation with their physicians, 
participants in the ongoing extension studies (SD-004 and -006) will have the opportunity to continue being treated with SD-101. 
Based on the top-line data, the Company has no current plans to invest in any additional clinical studies or commercial preparation 
activities for SD-101. This event led the Company to assess the carrying amount of the program's tangible and intangible assets 
against their respective fair values. Based on the assessment, the Company recognized a loss on impairment of intangible assets 
in  the  amount  of  $463.7  million  and  $1.7  million  in  fixed  assets  recorded  within  Loss  on  Impairment  of Assets  within  the 
Consolidated Statements of Operations. Since the study did not meet the primary and secondary endpoints, the Company has 
concluded that they will not make the potential milestone payments indicated in the Asset Purchase Agreement to the former 
Scioderm  holders. Accordingly,  the  Company  recognized  a  gain  of  $254.7  million  in  Changes  in  Fair  Value  of  Contingent 
Consideration Payable in the third quarter of 2017, in order to decrease the liability to zero. The Company also recognized $0.4 
million in selling, general and administrative costs and $8.1 million in research and development expenses related to the wind-
down of operations for the Phase 3 ESSENCE study and ongoing extension studies SD-004 and SD-006, as well as income tax 
benefit of $164.7 million due to the reduction of the deferred tax liability related to Scioderm IPR&D, in the Consolidated Statements 
of Operations in the third quarter of 2017. 

Acquisition of Callidus Biopharma, Inc.

In November 2013, the Company acquired Callidus a privately-held biologics company focused on developing best-in-class 
ERTs for LSDs with its lead ERT ATB200 for Pompe disease in late preclinical development. The acquisition of the Callidus assets 
and technology complements Amicus' CHART® platform for the development of next generation ERTs.

The fair value of the contingent acquisition consideration payments was estimated by applying a probability-based income 
approach  utilizing  an  appropriate  discount  rate.  Key  assumptions  include  discount  rate  and  various  probability  factors.  This 
estimation was based on significant inputs that are not observable in the market, referred to as Level 3 inputs. Some of the more 
significant  assumptions  used  in  the  valuation  include  (i) the  probability  and  timing  related  to  the  achievement  of  certain 
developmental milestones and (ii) and the discount rate. See "— Note 11. Assets and Liabilities Measured at Fair Value", for 
additional  discussion  regarding  fair  value  measurements  of  the  contingent  acquisition  consideration  payable.  The  Company 
determined the fair value of the contingent consideration to be $28.7 million at December 31, 2018, of which $9.0 million is 
payable over the next twelve months and $19.7 million is payable beyond the next twelve months, resulting in an increase in the 
contingent consideration payable and related expense of $3.3 million in the year ended December 31, 2018. The expense is recorded 
in the Consolidated Statement of Operations within the changes in fair value of contingent consideration line item.

During the fourth quarter of 2018, the Company reached a clinical milestone for Callidus, which was the dosing of the first 
patient in a Phase 3 study.  The milestone payment for this event was $9.0 million which was paid in the Company's stock during 
the first quarter of 2019.

For further information, see "— Note 4. Goodwill and Intangible Assets."

4. Goodwill and Intangible Assets

In connection with the acquisitions, the Company initially recognized IPR&D of $486.7 million and goodwill of $197.8
million. Intangible assets related to IPR&D assets are considered to be indefinite-lived until the completion or abandonment of 
the associated research and development efforts. During the period the assets are considered indefinite-lived, they will not be 
amortized but will be tested for impairment on an annual basis and between annual tests if the Company becomes aware of any 
events occurring or changes in circumstances that would indicate a reduction in the fair value of the IPR&D assets below their 
respective carrying amounts.

Goodwill and intangible assets are assessed annually for impairment on October 1 and whenever events or circumstances 
indicate that the carrying amount of an asset may not be recoverable. If it is determined that the full carrying amount of an asset 
is not recoverable, an impairment loss is recorded in the amount by which the carrying amount of the asset exceeds its fair value. 

-106-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

As discussed in "— Note 3. Acquisitions", in September 2017, the Company reported that top-line data from the randomized, 
double-blind, placebo-controlled Phase 3 clinical study ("ESSENCE, SD-005") to assess the efficacy and safety of the novel topical 
wound-healing agent SD-101 did not meet the primary endpoints or secondary endpoints in participants with EB. This event led 
to an assessment to determine if an impairment had occurred for goodwill and IPR&D. Based on tests for impairment, the Company 
determined that IPR&D had been impaired, however goodwill was not impaired based on qualitative and market capitalization 
tests performed. The loss on impairment of IPR&D of 463.7 million was recorded within Loss on Impairment of Assets in the 
Consolidated Statements of Operations for the year ended December 31, 2017.

The following table represents the changes in IPR&D for the years ended December 31, 2018 and 2017, respectively:

Beginning balance

Impairment in IPR&D related to Scioderm

Balance at December 31, 2017

Change in IPR&D
Balance at December 31, 2018

(in millions)

$

$

$

486.7
(463.7)
23.0

—
23.0

The following table represents the changes in Goodwill for the years ended December 31, 2018 and 2017, respectively:

Beginning balance

Change in goodwill

Balance at December 31, 2017

Change in goodwill

Balance at December 31, 2018

(in millions)

$

$

$

197.8

—

197.8

—

197.8

5. Cash, Cash Equivalents, Marketable Securities and Restricted Cash

As of December 31, 2018, the Company held $79.7 million in cash and cash equivalents and $424.4 million of available- for-
sale debt securities which are reported at fair value on the Company’s consolidated balance sheets. Unrealized holding gains and 
losses are reported within accumulated other comprehensive loss in the statements of comprehensive loss. If a decline in the fair 
value of a marketable security below the Company’s cost basis is determined to be other than temporary, such marketable security 
is written down to its estimated fair value as a new cost basis and the amount of the write-down is included in earnings as an 
impairment charge.

The Company regularly invests excess operating cash in deposits with major financial institutions, money market funds, 
notes issued by the U.S. government, as well as fixed income investments and U.S. bond funds, both of which can be readily 
purchased and sold using established markets. The Company believes that the market risk arising from its holdings of these 
financial instruments is mitigated as many of these securities are either government backed or of the highest credit rating. 
Investments  that  have  original  maturities  greater  than  three  months  but  less  than  one  year  are  classified  as  current,  while 
investments that have maturities greater than one year are classified as long-term.

-107-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

Cash, cash equivalents and marketable securities are classified as current unless mentioned otherwise below and consisted 

of the following:

(in thousands)
Cash and cash equivalents

Corporate debt securities, current portion

Commercial paper

Asset-backed securities

Money market

Certificate of deposit

Included in cash and cash equivalents

Included in marketable securities, current
Total cash, cash equivalents and marketable securities

(in thousands)
Cash and cash equivalents

Corporate debt securities, current portion

Commercial paper

Asset-backed securities

Money market

Certificate of deposit

Included in cash and cash equivalents

Included in marketable securities, current

Total cash, cash equivalents and marketable securities

As of December 31, 2018

Cost

Unrealized
Gain

Unrealized
Loss

Fair
Value

$

79,749

$

— $

— $

240,969

115,245

68,215

350

51

$

$

$

504,579

79,749

424,830
504,579

$

$

$

7

—

4

—

—

11

$

— $

11
11

$

(250)
(104)
(84)
—

—
(438) $
— $

(438)
(438) $

79,749

240,726

115,141

68,135

350

51

504,152

79,749

424,403
504,152

As of December 31, 2017

Cost

Unrealized
Gain

Unrealized
Loss

Fair
Value

$

49,060

$

— $

— $

199,314

79,878

30,346

350

50

$

$

$

358,998

49,060

309,938

358,998

$

$

$

1

—

—

—

—

1

$

— $

1

1

$

(303)
(75)
(59)
—

—
(437) $
— $

(437)
(437) $

49,060

199,012

79,803

30,287

350

50

358,562

49,060

309,502

358,562

For the years ended December 31, 2018 there were nominal realized gains. For the fiscal year ended December 31, 2017, 

there were no realized gains or losses. The cost of securities sold is based on the specific identification method.

Unrealized loss positions in the available for sale debt securities as of December 31, 2018 and December 31, 2017 reflect 
temporary  impairments  that  have  been  in  a  loss  position  for  less  than  twelve  months  and  as  such  are  recognized  in  other 
comprehensive gain (loss). The fair value of these available for sale debt securities in unrealized loss positions was $403.1 million
and $295.1 million as of December 31, 2018 and 2017, respectively.

The  following  table  provides  a  reconciliation  of  cash  and  cash  equivalents,  and  restricted  cash  reported  within  the 

consolidated balance sheet that sum to the total of the same such amounts shown in the Statement of Cash Flows:

(in thousands)
Cash and cash equivalents

Restricted cash
Cash and cash equivalents and restricted cash shown
in the statement of cash flows

December 31, 2018

December 31, 2017

December 31, 2016

79,749

$

49,060

$

2,626

2,177

187,026

387

82,375

$

51,237

$

187,413

$

$

-108-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

6. Inventories

Inventories consist of raw materials, work in process and finished goods related to the manufacture of Galafold®. The following

table summarizes the components of inventories:

(in thousands)
Raw materials

Work-in-process

Finished goods
Total inventories

December 31, 2018
1,291
$

December 31, 2017
2,393
$

3,485

3,614

$

8,390

$

1,450

780

4,623

The Company recorded a reserve for inventory of $0.2 million of December 31, 2018. There was no reserve as of 

December 31, 2017.

7. Property and Equipment

Property and equipment consist of the following:

(in thousands)
Property and equipment consist of the following:

Computer equipment

Computer software

Research equipment

Furniture and fixtures

Leasehold improvements

Vehicles

Construction in progress

Gross property and equipment

Less accumulated depreciation

Net property and equipment

December 31,

2018

2017

$

4,691

$

1,298

8,445

4,876

7,425

209

102

3,746

1,236

6,379

2,992

7,193

—

31

27,046
(15,671)
11,375

$

21,577
(12,515)
9,062

$

Depreciation expense was $4.2 million and $3.6 million for the years ended December 31, 2018 and 2017, respectively, 

and includes depreciation expenses related to capital lease obligations.

-109-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

8. Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses consist of the following:

(in thousands)
Accounts payable

Accrued professional fees

Accrued contract manufacturing & contract research costs

Accrued compensation and benefits

Accrued facility costs

Accrued program fees

Royalties payable

Accrued interest

Milestone payments

Accrued sales rebates and discounts

Other

9. Stockholders' Equity

Common Stock and Warrants

December 31,

2018

2017

$

6,606

$

2,276

5,890

21,731

2,102

16,674

4,463

4,189

9,000

3,636

4,058

7,867

5,845

4,632

19,620

1,665

5,707

2,529

313

—

1,957

3,755

$

80,625

$

53,890

As of December 31, 2018, the Company was authorized to issue 500 million shares of common stock. Dividends on common 
stock will be paid when, and if, declared by the board of directors. Each holder of common stock is entitled to vote on all matters 
that are appropriate for stockholder voting and is entitled to one vote for each share held.

On February 15, 2018, the Company announced the pricing of an underwritten offering of 19,354,839 shares of its common 
stock at $15.50 per share, resulting in gross proceeds of $300.0 million. Under the terms of the underwriting agreement, the 
Company granted the underwriters an option, exercisable for 30 days after February 16, 2018, to purchase up to an additional 
2,903,225 shares of the Company’s common stock, which was exercised with respect to 885,000 shares of the Company’s 
common stock at a purchase price of $15.50 per share. The Company received net proceeds of $294.6 million from these 
offerings, after deducting underwriting discounts and commissions and offering expenses payable by the Company.

In April 2018, 453,214 warrants were exercised at $7.98 per share of common stock resulting in gross cash proceeds of 

$3.6 million.

On  June  7,  2018,  the  Company’s  stockholders  approved  an  amendment  to  the  Company’s  Restated  Certificate  of 
Incorporation to increase the number of shares of common stock, par value $0.01 per share, that the Company is authorized to 
issue from 250,000,000 shares to 500,000,000 shares.

In July 2017, the Company entered into an underwriting agreement whereby the Company issued and sold 21,122,449 shares 
at a price to the public of $12.25 per share, resulting in gross proceeds of $258.8 million, before deducting underwriting discounts 
and commissions and offering expenses payable by the Company. The offering closed on July 18, 2017 and the Company received 
net proceeds, after deducting underwriting discounts and commissions and offering expenses payable by the Company of $243.0 
million. 

-110-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

As discussed in ‘‘— Note 12. Debt’’, in December 2016, the Company issued $250 million aggregate principal amount of 
3.0% unsecured Convertible Senior Notes due 2023 (the ‘‘Convertible Notes), in a private offering. The Notes will mature on 
December 15, 2023, unless earlier repurchased, redeemed, or converted in accordance with their terms. The Notes are convertible 
at the option of the holders, under certain circumstances and during certain periods, into cash, shares of the Company’s common 
stock, par value $0.01 per share (‘‘common stock’’), or a combination thereof. Prior to the close of business on the business day 
immediately preceding September 15, 2023, the Notes are convertible at the option of the holders of the Notes only under certain 
conditions. On or after September 15, 2023, until the close of business on the second business day immediately preceding the 
maturity date, holders of the Notes may convert their Notes at their option at the conversion rate then in effect, irrespective of 
these conditions. The Company will settle conversions of the Notes by paying or delivering, as the case may be, cash, shares of 
common stock, or a combination of cash and shares of common stock, at the Company’s election. The conversion rate will initially 
be  163.3987  shares  of  common  stock  per  $1,000  principal  amount  of  Notes  (equivalent  to  an  initial  conversion  price  of 
approximately $6.12 per share of common stock). The conversion rate is subject to customary adjustments upon the occurrence 
of certain events.

During the first quarter of 2019, the Company entered into separate, privately negotiated exchange agreements with a limited 
number  of  holders  (the  “Holders”)  of  the  Convertible  Notes.  Under  the  terms  of  the  exchange  agreements  (the  “Exchange 
Agreements”), the Holders agreed to exchange an aggregate principal amount of approximately $184.6 million of Convertible 
Notes held by them in exchange for an aggregate of approximately 33.0 million shares of the our common stock, par value $0.01
per share. In addition, pursuant to the Exchange Agreements, the Company made aggregate cash payments of approximately $0.7 
million to the Holders to satisfy accrued and unpaid interest to the closing date of the transaction, along with cash in lieu of fractional 
shares.

Nonqualified Cash Plan

The Company's Deferral Plan, (the "Deferral Plan") provides certain key employees and members of the Board of Directors 
as selected by the Compensation Committee, with an opportunity to defer the receipt of such participant's base salary, bonus and 
director's fees, as applicable. The Deferral Plan is intended to be a nonqualified deferred compensation plan that complies with 
the provisions of Section 409A of the Internal Revenue Code of 1986 as amended.

The Company had a deferred compensation investment balance of $2.7 million and $2.2 million as of December 31, 2018 

and 2017, respectively, with corresponding approximate amounts of liability. 

Deferral Plan investment assets are classified as trading securities and are recorded at fair value with changes in the investments' 
fair value recognized in AOCI in the period they occur. Deferred compensation liability amounts under the Deferral Plan are 
included in other long-term liabilities.

Equity Incentive Plans 

The Company’s Equity Incentive Plans consist of the Amended and Restated 2007 Equity Incentive Plan (the ‘‘Plan’’) and 
the 2007 Director Option Plan (the ‘‘2007 Director Plan’’). The Plan provides for the granting of restricted stock and options to 
purchase common stock in the Company to employees, advisors and consultants at a price to be determined by the Company’s 
board of directors. The Plan is intended to encourage ownership of stock by employees and consultants of the Company and to 
provide additional incentives for them to promote the success of the Company’s business. The 2007 Director Plan is intended to 
promote the recruiting and retention of highly qualified eligible directors and strengthen the commonality of interest between 
directors and stockholders by encouraging ownership of common stock of the Company. Under the provisions of each plan, no 
option will have a term in excess of 10 years. The Board of Directors, or its committee, is responsible for determining the individuals 
to be granted options, the number of options each individual will receive, the option price per share, and the exercise period of 
each option. Options granted pursuant to the Plan generally vest 25% on the first year anniversary date of grant plus an additional 
1/48th for each month thereafter and may be exercised in whole or in part for 100% of the shares vested at any time after the date 
of grant. Options under the 2007 Director Plan may be granted to new directors upon joining the Board and vest in the same manner 
as options under the Plan. In addition, options are granted to independent directors at each annual meeting of stockholders and 
vest on the date of the annual meeting of stockholders of the Company in the year following the year during which the options 
were granted. As of December 31, 2018, the Company has reserved up to 9,457,741 shares for issuance under the Plan and the 
2007 Director Plan.

-111-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

10. Share based Compensation

The Company’s Equity Incentive Plans consist of the Amended and Restated 2007 Equity Incentive Plan (the “Plan”) and
the 2007 Director Option Plan (the “2007 Director Plan”). The Plan provides for the granting of restricted stock units and options 
to purchase common stock in the Company to employees, advisors and consultants at a price to be determined by the Company’s 
Board of Directors. The Plan is intended to encourage ownership of stock by employees and consultants of the Company and 
to provide additional incentives for them to promote the success of the Company’s business. The 2007 Director Plan is intended 
to promote the recruiting and retention of highly qualified eligible directors and strengthen the commonality of interest between 
directors and stockholders by encouraging ownership of common stock of the Company. The Board of Directors, or its committee, 
is responsible for determining the individuals to be granted options, the number of options each individual will receive, the 
option price per share, and the exercise period of each option.

On December 21, 2018, the Board of Directors of the Company approved an amendment (the “Amendment”) to the Plan. 
The Amendment provides for certain benefits to qualifying Plan Participants who separate from service with the Company due to 
death, disability or “Retirement” (as such term is defined under the Plan) (“Qualified Participants”). Options granted under the 
Plan (“Options”) to a Qualified Participant shall continue to vest until the 2nd anniversary of the Qualified Participant’s separation 
and all vested Options held by such Qualified Participant shall remain exercisable until the earlier of the 4th anniversary of the 
Qualified Participant’s separation or the original expiration date of the Option. Options that are not exercised during this exercise 
period shall be forfeited. Time-based restricted stock units and restricted stock granted to a Qualified Participant under the Plan 
that was scheduled to vest within the two year period following the Qualified Participant's separation shall accelerate and be 
delivered upon such separation. Any time-based restricted stock units or restricted stock that would have vested after such two
year period will be forfeited upon the Qualified Participant's separation. Also per the Amendment, any performance-based restricted 
stock  units  under  the  Plan  (“PRSUs”)  received  by  the  Qualified  Participant,  shall  remain  eligible  to  vest  after  the  Qualified 
Participant’s separation based on the actual performance of the Company through the end of the performance period applicable to 
any such PRSU. 

Stock Option Grants

The Company adopted the fair value method of measuring stock-based compensation, using the fair value of each equity 
award granted. The Company chose the ‘‘straight-line’’ attribution method for allocating compensation costs and recognized the 
fair value of each stock option on a straight-line basis over the vesting period of the related awards. 

The Company uses the Black-Scholes option pricing model when estimating the grant date fair value for stock-based awards. 
Use of a valuation model requires management to make certain assumptions with respect to selected model inputs. Expected 
volatility was based on our historical volatility since our initial public offering in May 2007. Beginning in the third quarter of 
2017, the average expected life was determined using our actual historical data versus a ‘‘simplified’’ method used in prior quarters. 
The ‘‘simplified’’ method of estimating the Company did not have sufficient reliable exercise data to justify a change from the use 
of the ‘‘simplified’’ method of estimating the expected exercise term of employee stock option grants. The impact from this change 
was not material. The risk-free interest rate is based on U.S. Treasury, zero-coupon issues with a remaining term equal to the 
expected life assumed at the date of grant. Forfeitures are estimated based on voluntary termination behavior, as well as a historical 
analysis of actual option forfeitures.

The fair value of the stock options granted is estimated on the date of grant using a Black-Scholes option pricing model 

with the following weighted-average assumptions:

Expected stock price volatility

Risk free interest rate

Expected life of options (years)

Expected annual dividend per share

Years Ended
December 31,

2018

2017

2016

78.6%

2.4%

5.62

82.8%

2.0%

6.18

$

0.00

$

0.00

$

81.3%

1.5%

6.25

0.00

-112-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

The weighted average grant-date fair value per share of options granted during 2018, 2017 and 2016 were $10.19, $5.09 and 

$5.28, respectively.

A summary of the Company's stock options for the year ended December 31, 2018 were as follows:

Options outstanding, December 31, 2015

Granted

Exercised

Forfeited

Options outstanding, December 31, 2016
Granted

Exercised

Forfeited

Options outstanding, December 31, 2017

Granted

Exercised

Forfeited

Expired
Options outstanding, December 31, 2018

Vested and unvested expected to vest, December 31, 2018

Exercisable at December 31, 2018

Number of
Shares

(in thousands)
11,729.2

$

$
5,114.1
(723.1) $
(622.7) $
$
15,497.5
3,695.3
$
(2,878.7) $
(1,133.0) $
$
15,181.1

2,348.0
$
(1,398.0) $
(313.1) $
(8.0)
15,810.0

$

15,152.6

9,977.0

$

$

Weighted
Average
Exercise
Price

Weighted
Average
Remaining
Contractual
Life

Aggregate
Intrinsic
Value

(in millions)

7.11

7.67

4.20

8.62

7.37
7.17

5.67

9.55

7.48

14.96

6.54

9.55
10.76

8.63

8.51

7.43

6.7 years

6.6 years

5.8 years

$

$

$

37.6

36.8

28.8

The aggregate intrinsic value of options exercised during the years ended December 31, 2018, 2017 and 2016 was $11.9 
million,  $20.8  million  and  $2.6  million  respectively.  Cash  proceeds  from  stock  options  exercised  during  the  years  ended 
December 31, 2018, 2017 and 2016 were $9.1 million, $16.3 million, and $3.0 million, respectively. As of December 31, 2018, 
the total unrecognized compensation cost related to non-vested stock options granted was $33.3 million and is expected to be 
recognized over a weighted average period of 2.4 years.

-113-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

Restricted Stock Units (“RSUs”) and Performance-Based Restricted Stock Units

RSUs awarded under the Plan are generally subject to graded vesting and are contingent on an employee’s continued service. 
RSUs are generally subject to forfeiture if employment terminates prior to the release of vesting restrictions. The Company 
expenses the cost of the RSUs, which is determined to be the fair market value of the shares of common stock underlying the 
RSUs at the date of grant, ratably over the period during which the vesting restrictions lapse. A summary of non-vested RSU 
activity under the Plan for the year ended December 31, 2018 is as follows:

Number of
Share

Weighted
Average Grant
Date Fair
Value

Weighted
Average
Remaining
Years

Aggregate
Intrinsic
Value

(in millions)

Non-vested units as of December 31, 2016

Granted

Vested

Forfeited
Non-vested units as of December 31, 2017

Granted

Vested

Forfeited

Non-vested units as of December 31, 2018

(in thousands)
744.4

$

2,348.7
$
(318.2) $
(199.8) $
$
2,575.1

1,811.9
$
(530.0) $
(145.0) $
$
3,712.0

7.86

5.69

9.23

6.24
5.85

16.11

6.01

9.65

10.59

2.57

$

36.3

On December 30, 2016, the Compensation Committee approved a form of Performance-Based Restricted Stock Unit Award 
Agreement (the “Performance-Based RSU Agreement”), to be used for performance-based RSUs granted to participants under 
the  Amended  and  Restated  2007  Equity  Incentive  Plan,  including  named  executive  officers.  Certain  awards  under  the 
Performance- Based RSU Agreement were granted in January 2017 and 2018. The grants include performance-based restricted 
stock units and market performance-based restricted stock units (“MPRSUs”). The performance-based awards vest over three 
years based on the Company achieving certain clinical milestones. Each reporting period the Company estimates the amount 
of the award that will vest based on the probability of achieving the clinical milestones and adjusts the expense, prospectively, 
when  a  change  occurs.  For  the  MPRSUs,  vesting  of  these  awards  is  contingent  upon  the  Company  meeting  certain  total 
shareholder return (“TSR”) levels as compared to a select peer group over three years. The MPRSUs cliff vest at the end of the 
three-year  period  and  have  a  maximum  potential  to  vest  at  200%  based  on  TSR  performance.  The  related  share-based 
compensation expense is determined based on the estimated fair value of the underlying shares on the date of grant and is 
recognized on a straight-line basis over the vesting term, irrespective of the actual TSR performance.  The estimated fair value 
per share of the MPRSUs was calculated using a Monte Carlo simulation model. 

For the year ended December 31, 2018, 530,035 RSUs have vested and all non-vested units are expected to vest over their 
normal term. As of December 31, 2018, there was $25.8 million of total unrecognized compensation cost related to unvested 
RSUs with service-based vesting conditions. These costs are expected to be recognized over a weighted average period of 2.5 
years.

Compensation Expense Related to Equity Awards

The following table summarizes information related to compensation expense recognized in the statements of operations 

related to the equity awards:

Equity compensation expense recognized in:

Research and development expense

Selling, general and administrative expense

Total equity compensation expense

-114-

Years Ended December 31,

2018

2017

2016

$

$

11,740

17,520

29,260

$

$

10,328

12,773

23,101

$

$

8,071

9,433

17,504

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

11. Assets and Liabilities Measured at Fair Value

The Company's financial assets and liabilities are measured at fair value and classified within the fair value hierarchy which

is defined as follows:

Level 1 — Quoted prices in active markets for identical assets or liabilities that the Company has the ability to 
access at the measurement date.

Level 2 — Inputs other than quoted prices in active markets that are observable for the asset or liability, either 
directly or indirectly.

Level 3 — Inputs that are unobservable for the asset or liability.

A summary of the fair value of the Company's recurring assets and liabilities aggregated by the level in the fair value hierarchy 

within which those measurements fall as of December 31, 2018 are identified in the following table:

(in thousands)
Assets:

Commercial paper

Asset-back securities

Corporate debt securities

Money market funds

Liabilities:

Contingent consideration payable

Deferred compensation plan liability

Level 2

Total

$

115,141

$

115,141

68,135

240,726

3,082

68,135

240,726

3,082

$

427,084

$

427,084

Level 2

Level 3

Total

$

$

— $

19,700

2,732

—

2,732

$

19,700

$

$

19,700

2,732

22,432

A summary of the fair value of the Company's assets and liabilities aggregated by the level in the fair value hierarchy within 

which those measurements fall as of December 31, 2017 are identified in the following table:

(in thousands)
Assets:

Commercial paper

Asset-back securities

Corporate debt securities

Money market funds

Liabilities:

Contingent consideration payable

Deferred compensation plan liability

Level 2

Total

$

79,803

$

30,287

199,012

2,598

79,803

30,287

199,012

2,598

$

311,700

$

311,700

Level 2

Level 3

Total

$

$

— $

25,400

2,258

—

2,258

$

25,400

$

$

25,400

2,258

27,658

-115-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

The Company’s Convertible Notes are classified in Level 2 category within the fair value level hierarchy. The fair value 
was determined using broker quotes in a non-active market for valuation. The fair value of the debt at December 31, 2018 was 
approximately $437.1 million.

The Company’s Senior Secured Term Loan are classified in Level 2 category within the fair value level hierarchy and the 
fair value was determined using quoted prices for similar liabilities in active markets, as well as inputs that are observable for 
the liability (other than quoted prices), such as interest rates that are observable at commonly quoted intervals. The carrying 
value of the Senior Secured Term Loan approximates the fair value.

The Company did not have any Level 3 assets as of December 31, 2018 or December 31, 2017.

Cash, Money Market Funds and Marketable Securities

The Company classifies its cash and money market funds within the fair value hierarchy as Level 1 as these assets are valued 
using quoted prices in active market for identical assets at the measurement date. The Company considers its investments in 
marketable securities as available for sale and classifies these assets within the fair value hierarchy as Level 2 primarily utilizing 
broker quotes in a non-active market for valuation of these securities. No changes in valuation techniques or inputs occurred during 
the year ended December 31, 2018. No transfers of assets between Level 1 and Level 2 of the fair value measurement hierarchy 
occurred during the year ended December 31, 2018.

Contingent Consideration Payable

The contingent consideration payable resulted from the acquisition of Callidus, as discussed in "— Note 3. Acquisitions." The 
most recent valuation was determined using a probability weighted discounted cash flow valuation approach. Using this approach, 
expected future cash flows are calculated over the expected life of the agreement, are discounted, and then exercise scenario 
probabilities are applied. The valuation is performed quarterly. Gains and losses are included in the statement of operations.

The contingent consideration payable for Callidus has been classified as a Level 3 recurring liability as its valuation requires 
substantial judgment and estimation of factors that are not currently observable in the market. If different assumptions were used 
for the various inputs to the valuation approach the estimated fair value could be significantly higher or lower than the fair value 
the Company determined. The Company may be required to record losses in future periods, including expenses related to CDD.

The following significant unobservable inputs were used in the valuation of the contingent consideration payable of Callidus 

for the ATB-200 Pompe program:

Contingent Consideration Liability

Fair value as of
December 31,
2018

Valuation Technique

Unobservable Input

Range

Clinical and regulatory
milestones

$19.2 million

Probability weighted
discounted cash flow

Discount rate

10%

Probability of achievement
of milestones
Projected year of payments

71.0% - 100.0%

2021 - 2022

Contingent consideration liabilities are remeasured to fair value each reporting period using discount rates, probabilities 
of  payment  and  projected  payment  dates.  Projected  contingent  payment  amounts  related  to  clinical  and  regulatory  based 
milestones are discounted back to the current period using a discounted cash flow model. Increases in discount rates and the 
time to payment may result in lower fair value measurements. Increases or decreases in any of those inputs together, or in 
isolation, may result in a significantly lower or higher fair value measurement. There is no assurance that any of the conditions 
for the milestone payments will be met.

-116-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

The following table shows the change in the balance of contingent consideration payable for the year ended December 31, 

2018 and 2017, respectively:

(in thousands)
Balance, beginning of the period

Payment of contingent consideration in cash

Milestone payable, included in accrued expenses

Unrealized change in fair value change during the period, included in Statement of
Operations

Balance, end of the period

Deferred Compensation Plan - Investment and Liability

Year ended December 31,

2018

$

25,400

$

—
(9,000)

3,300

$

19,700

$

2017
269,722
(10,000)
—

(234,322)
25,400

The  Deferred  Compensation  Plan  (the  “Deferral  Plan”)  provides  certain  key  employees  and  members  of  the  Board  of 
Directors with an opportunity to defer the receipt of such participant’s base salary, bonus and director’s fees, as applicable. 
Deferral Plan assets are classified as trading securities and recorded at fair value with changes in the investment’s fair value 
recognized in the period they occur. The asset investments consist of market exchanged mutual funds. The Company considers 
its investments in marketable securities as available-for-sale and classifies these assets and related liability within the fair value 
hierarchy as Level 2, primarily utilizing broker quotes in a non-active market for valuation of these securities.

12. Debt

Senior Secured Term Loan due 2023

In September 2018, the Company entered into a loan agreement with BioPharma Credit PLC as the lender. The loan 
agreement provides for a $150 million senior secured term loan (“Senior Secured Term Loan”) with an interest rate equal to the 
3-month LIBOR plus 7.50% per annum and matures in five years. The Senior Secured Term Loan will be repaid in four quarterly
payments equal to 12.50% thereof starting on the forty-eight month anniversary of the date of the first credit extension with the
balance due on the Maturity Date. Interest is payable quarterly in arrears. The Senior Secured Term Loan contains certain
customary representations and warranties, affirmative and negative covenants and events of default applicable to the Company
and certain of its subsidiaries, but does not include any financial covenants relating to the achievement or maintenance of revenue
or cash flow. If an event of default occurs and is continuing, the lender may declare all amounts outstanding under the Senior
Secured Term Loan to be immediately due and payable. The Company received net proceeds of $146.6 million in September
2018, after deducting fees and estimated expenses payable by the Company.

Convertible Notes due 2023

In December 2016, the Company issued at par value $250 million aggregate principal amount of unsecured Convertible 
Senior Notes due 2023 (the “Convertible Notes”), which included the exercise in full of the $25 million over-allotment option 
granted to the initial purchasers of the Convertible Notes in a private offering to qualified institutional buyers pursuant to Rule 
144A under the Securities Act (the “Note Offering”). Interest is payable semiannually on June 15 and December 15 of each 
year,  beginning  on  June  15,  2017. The  Convertible  Notes  will  mature  on  December  15,  2023,  unless  earlier  repurchased, 
redeemed, or converted in accordance with their terms. The Convertible Notes are convertible at the option of the holders, under 
certain circumstances and during certain periods, into cash, shares of the Company’s common stock or a combination thereof. 
The net proceeds from the Note Offering were $243.0 million, after deducting fees and estimated expenses payable by the 
Company. In addition, the Company used approximately $13.5 million of the net proceeds from the issuance of the Convertible 
Notes to pay the cost of the capped call transactions (“Capped Call Confirmations”) that the Company entered into in connection 
with the issuance of the Convertible Notes. In accounting for the issuance of the Convertible Notes, the Company separated the 
Convertible Notes into liability and equity components based on their relative values. 

-117-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

The Convertible Notes are initially convertible into approximately 40,849,675 shares of the Company’s common stock 
under certain circumstances prior to maturity at a conversion rate of 163.3987 shares per $1,000 principal amount of Convertible 
Notes, which represents a conversion price of approximately $6.12 per share of Common Stock, subject to adjustment under 
certain conditions. Holders may convert their Convertible Notes at their option at specified times prior to the maturity date of 
December 15, 2023, only if: 

• during any fiscal quarter commencing after March 31, 2017, if the last reported sale price of the Company’s common
stock  for  at  least  20  trading  days  in  the  period  of  30  consecutive  trading  days  ending  on  the  last  trading  day  of  the
immediately preceding fiscal quarter is equal to or more than 130% of the conversion price of the Convertible Notes on
the last day of such preceding fiscal quarter;

• a Holder submits its Convertible Notes for conversion during the five business day period following any five consecutive
trading day period in which the trading price for the Convertible Notes, per $1,000 principal amount of the Convertible
Notes, for each such trading day was less than 98% of the product of the last reported sale price of the Company’s common
stock and the conversion rate of the Convertible Notes on such date;

• the Company issues to all or substantially all of the holders of common stock rights options or warrants entitling then
them for a period of not more than 60 calendar days after the date of such issuance to subscribe for or purchase shares of
the common stock, at a price per share less than the average of the Last Reported Sale Prices of the common stock for
the 10 consecutive Trading Day period ending on, and including, the Trading Day immediately preceding the date of
announcement of such issuance or distributes to all or substantially all holders of the common stock the Company’s assets,
debt securities or rights to purchase the Company’s securities which distribution has a per share value of exceeding 10%
of the Last Reported Sale Price of the common stock on the Trading Day immediately preceding the date of announcement
of such distribution;

• the Company enters into specified corporate transactions; or

• the Company has had a call for redemption, the holder can convert up until the second trading day immediately preceding
the redemption date.

The Convertible Notes will be convertible, at the option of the note holders, regardless of whether any of the foregoing 
conditions have been satisfied, on or after September 15, 2023 at any time prior to the close of business on the second scheduled 
trading day immediately preceding the stated maturity date of December 15, 2023.

The last reported sale price of the Company’s common stock was equal to or more than 130% of the conversion price of 
the Convertible Notes for at least 20 trading days of the 30 consecutive trading days ending on the last day of the second quarter. 
As a result, the Convertible Notes are currently convertible into the Company’s common stock.

As further described in “Note 9. Stockholders’ Equity,” on February 15, 2018, the Company entered into an underwriting 
agreement relating to an underwritten public offering of 19,354,839 shares of the Company’s common stock. Under the terms 
of the underwriting agreement, the Company granted the underwriters an option, exercisable for 30 days after February 16, 
2018, to purchase up to an additional 2,903,225 shares of the Company’s common stock, which was exercised with respect to 
885,000 shares of the Company’s common stock.

Subsequent  to  the  underwritten  public  offering  on  February  15,  2018,  the  Company  did  not  have  sufficient  unissued 
authorized shares to cover a conversion of the Convertible Notes. As a result, the Company accounted for the portion of the 
bifurcated conversion feature and of the Capped Call Confirmations that would not be able to be net share settled as a current 
derivative liability and as a derivative asset, respectively. The fair value of the derivative liability for the conversion feature and 
derivative asset for the Capped Call Confirmations at February 15, 2018 was determined to be $507.4 million and $13.6 million, 
respectively, of which the portion that was determined to not be able to be net share settled was recorded with a corresponding 
impact to additional-paid-in-capital. Subsequent changes to fair value of the derivatives were recorded in the second quarter of 
2018 through earnings on the Company’s consolidated statements of operations resulting in a change in fair value of derivatives 
for the year ended December 31, 2018 of $2.7 million.

-118-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

Following the approval by the stockholders of the Company on June 7, 2018, to increase the authorized shares of common 
stock to 500,000,000, the Company has sufficient unissued authorized shares to cover a conversion of the Convertible Notes. 
As a result, the derivative liability and derivative asset were reclassified into additional-paid-in-capital. The fair value of the 
derivative  liability  for  the  conversion  feature  and  derivative  asset  for  the  Capped  Call  Confirmations  at  June  7,  2018  was 
determined to be $88.3 million and $2.4 million, respectively.

The Convertible Notes and Senior Secured Term Loan consist of the following:

Liability component (in thousands)
Principal
Less: debt discount (1)
Less: deferred financing (1)
Net carrying value of the debt

2018
400,000
(74,145)
(4,115)
321,740

$

$

2017
250,000
(81,566)
(4,267)
164,167

$

$

_____________________________________________________________________

(1) Included in the consolidated balance sheets within convertible notes and senior secured term loan and amortized to interest
expense over the remaining life of the Convertible Notes and Senior Secured Term Loan using the effective interest rate
method.

The following table sets forth total interest expense recognized related to the Convertible Notes and Senior Secured Term

Loan for the year ended December 31, 2018, respectively:

Components (in thousands)
Contractual interest expense

Amortization of deferred financing

Amortization of debt discount

Total

Effective interest rate of the liability component, convertible debt

Effective interest rate of the liability component, senior secured term loan

2018
11,426

555

10,421

22,402

$

$

2017

7,528

470

9,241

17,239

$

$

10.85%

10.48%

10.85%

—%

The Capped Call Confirmations of $13.5 million are expected generally to reduce the potential dilution to the common stock 
upon any conversion of the Convertible Notes and/or offset the cash payments the Company is required to make in excess of the 
principal amount upon conversion of the Notes in the event that the market price of the common stock is greater than the strike 
price of the Capped Call Confirmations (which initially corresponds to the initial conversion price of the Convertible Notes and 
is subject to certain adjustments under the terms of the Capped Call Confirmations), with such reduction and/or offset subject to 
a cap based on the cap price of the Capped Call Confirmations. The Capped Call Confirmations have an initial cap price of $7.20
per share, which represents a premium of approximately 50% over the closing price of the Company’s common stock on The 
NASDAQ  Global  Market  on  December  15,  2016,  and  is  subject  to  certain  adjustments  under  the  terms  of  the  Capped  Call 
Confirmations. The  Capped  Call  Confirmations  will  cover,  subject  to  anti-dilution  adjustments  substantially  similar  to  those 
applicable to the Convertible Notes, the number of shares of common stock that will underlie the Convertible Notes. The Capped 
Call Confirmations do not meet the criteria for separate accounting as a derivative as they are indexed to the Company’s common 
stock. The premiums paid for the Capped Call Confirmations have been included as a net reduction to additional paid-in capital.

During the first quarter of 2019, the Company entered into separate, privately negotiated exchange agreements with a limited 
number  of  holders  (the  “Holders”)  of  the  Convertible  Notes.  Under  the  terms  of  the  exchange  agreements  (the  “Exchange 
Agreements”), the Holders agreed to exchange an aggregate principal amount of approximately $184.6 million of Convertible 
Notes held by them in exchange for an aggregate of approximately 33.0 million shares of the our common stock, par value $0.01
per share. In addition, pursuant to the Exchange Agreements, the Company made aggregate cash payments of approximately $0.7 
million to the Holders to satisfy accrued and unpaid interest to the closing date of the transaction, along with cash in lieu of fractional 
shares.

During the first quarter of 2019, the Company also terminated the proportion of the Capped Call Confirmations related to the 

exchange of the Convertible Notes in 2019 for proceeds of approximately $14.6 million.

-119-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

13. Leases

Operating Leases

The Company currently leases office and research laboratory space, equipment and vehicles in various facilities under 

operating agreements expiring at various dates through 2028.

The following table contains information about our current significant leased properties as of December 31, 2018:

Location
Cranbury, New Jersey

United Kingdom

Princeton, New Jersey

Approximate
Square Feet

Lease expiry date
90,000 Office and laboratory September 2025

Use

46,617 Office

21,922 Office

August 2028

January 2022

In addition to the above, we also maintain offices in Germany, Netherlands, Italy, Spain, France, Japan, Canada, Denmark, 
and Australia. We believe that our current office and laboratory facilities are adequate and suitable for our current and anticipated 
needs. We believe that, to the extent required, we will be able to lease or buy additional facilities at commercially reasonable rates.

Rent expenses for the Company's facilities are recognized over the term of the lease. The Company recognizes rent starting 
when possession of the facility is taken from the landlord. When a lease contains a predetermined fixed escalation of the minimum 
rent, the Company recognizes the related rent expense on a straight-line basis and records the difference between the recognized 
rental expense and the amounts payable under the lease as deferred rent liability. Tenant leasehold improvement allowances are 
reflected in accrued expenses on the consolidated balance sheets and are amortized as a reduction to rent expense in the statement 
of operations over the term of the lease.

At December 31, 2018, aggregate annual future minimum lease payments under these leases are as follows:

(in thousands)
Minimum lease payments

2019

2020

2021

2022

2023 and
beyond

Total

$

6,244

$

4,063

$

3,560

$

3,371

$

13,649

$

30,887

Rent expense, including fees for utilities and common area maintenances for the years ended December 31, 2018, 2017 and 

2016 were $5.7 million, $3.9 million and $3.5 million, respectively.

Subsequent to December 31, 2018, the Company entered into several new lease arrangements for additional office and research 
laboratory space in the U.S. and internationally.  These leases will be accounted for under ASU 2016-02, Leases (Topic 842) during 
the first quarter of 2019.  The future minimum lease payments of these leases range from approximately $1.5 million to $6.1 
million annually over the next five years.

Capital Leases

In 2018, the Company purchased vehicles of approximately $0.2 million through financing arrangements. These financing 

arrangements include interest of approximately 5.0%-7.0%, and lease terms of 36-48 months.

In 2016, the Company purchased equipment of approximately $0.9 million through financing arrangements. These financing 

arrangements include interest of approximately 2.0%-5.7%, and lease terms of 36-48 months.

-120-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

At December 31, 2018, aggregate annual future minimum lease payments under these leases, including interest, are as follows 

(in thousands):

Years ending December 31:
2019

2020

2021

2022

2023 and beyond

Total principal obligation

14. Income Taxes

$

$

194

60

47

30

—

331

For financial reporting purposes, income (loss) before income taxes includes the following components:

(in thousands)
United States

Foreign

Total

Years Ended December 31,

2018
(309,183) $
(39,906)
(349,089) $

2017
(440,696) $
(8,425)
(449,121) $

2016
(174,913)
(28,868)
(203,781)

$

$

Following were the components of income tax expense (benefit) for the years ended December 31, 2018, 2017 and 2016:

(in thousands)
Current
Federal
State
Foreign
Deferred
Federal
State
Foreign

Total

2018

2017

2016

$

$

— $
6
(100)

—
—
—
(94) $

— $
9
2,276

(150,015)
(17,389)
—

(165,119) $

—
7
—

(1,101)
(2,645)
—
(3,739)

-121-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

A reconciliation of the statutory tax rates and the effective tax rates for the years ended December 31, 2018, 2017 and 2016 

are as follows:

Statutory rate

State taxes, net of federal benefit

Nondeductible IPR&D

Contingent consideration

Tax credits

Foreign income tax rate differential

Impact of 2017 Act

Other

Valuation allowance

Net

Years Ended
December 31,

2018

2017

2016

(21)%

(34)%

(34)%

(4)

6

1

(10)

2

—

—

26

— %

(5)

(1)

(18)

(2)

5

27

5

(14)

(37)%

(5)

3

—

(3)

2

—

(1)

36

(2)%

On December 22, 2017, the U.S. government enacted the Tax Act. The Tax Act significantly revises U.S. tax law by, among 
other provisions, lowering the U.S. federal statutory income tax rate to 21%, imposing a mandatory one-time transition tax on 
previously deferred foreign earnings, and eliminating or reducing certain income tax deductions.

ASC 740, Income Taxes, requires the effects of changes in tax laws to be recognized in the period in which the legislation is 
enacted. However, due to the complexity and significance of the Tax Act's provisions, the SEC staff issued SAB 118, which allows 
companies to record the tax effects of the Tax Act on a provisional basis based on a reasonable estimate, and then, if necessary, 
subsequently adjust such amounts during a limited measurement period as more information becomes available. The measurement 
period ends when a company has obtained, prepared, and analyzed the information necessary to finalize its accounting, but cannot 
extend beyond one year from enactment. The Tax Act did not have a material impact on the Company's financial statements because 
its deferred temporary differences are fully offset by a valuation allowance and the Company does not have any significant offshore 
earnings from which to record the mandatory transition tax. The Company recorded an income tax benefit of $0.1 million in the 
Consolidated Statement of Operations, in connection with the reduction in the statutory corporate income tax rate. The Company 
operates in a consolidated loss position in its foreign operations, and does not have a one-time tax on accumulated earnings of 
foreign subsidiaries.

As of December 31, 2017, we provisionally recorded certain impacts of the Tax Act including the adjustment to our net deferred 
tax liability arising from the reduction in the federal tax rate as well as the impact of mandatory deemed repatriation. Adjustments 
to these provisional amounts that we recorded in 2018 did not have a significant impact on our consolidated financial statements. 
Our accounting for the effects of the enactment of the Tax Act is now complete.

The Company recorded an income tax benefit of $0.1 million in 2018 for taxes in foreign and state jurisdictions.

The Company did not recognize interest or penalties related to income tax during the period ended December 31, 2018 and 
did not accrue for interest or penalties as of December 31, 2018. The Company does not have an accrual for uncertain tax positions 
as of December 31, 2018. Tax returns for all years 2010 and thereafter are subject to future examination by tax authorities.

-122-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

Deferred income taxes reflect the net effect of temporary difference between the carrying amounts of assets and liabilities 
for financial reporting purposes and the amounts used for income tax purposes. The significant components of the deferred tax 
assets and liabilities are as follows:

(in thousands)
Deferred tax assets

Intellectual property

Amortization/depreciation

Research tax credit

Net operating loss carry forwards

Deferred revenue

Non-cash stock issue

Interest carry forward limitation
Others

Gross deferred tax assets

Deferred tax liabilities

Business acquisition

Royalty payable

Convertible notes

Advanced R&D payments

Total net deferred tax assets

Less: valuation allowance

Net deferred tax liability

For Years Ended
December 31,

2018

2017

$

48,339

$

3,732

96,509

248,398

4,401

16,850

1,032
10,852

44,573

3,082

43,382

221,912

6,158

10,751

—
7,328

430,113

337,186

(6,465)
(48,339)
(16,666)
(2,103)
356,540
(363,005)

$

(6,465) $

(6,465)
(44,573)
(18,991)
(3,069)
264,088
(270,553)
(6,465)

The Company records a valuation allowance for temporary differences for which it is more likely than not that the Company 
will not receive future tax benefits. At December 31, 2018 and 2017, the Company recorded valuation allowances of $363.0 million
and $270.6 million, respectively, representing an increase in the valuation allowance of $92.4 million in 2018 due to the uncertainty 
regarding the realization of such deferred tax assets, to offset the benefits of net operating losses generated during those years. 
The deferred tax liability related to business acquisitions pertains to the basis difference in IPR&D acquired by the Company. The 
Company's policy is to record a deferred tax liability related to acquired IPR&D that may eventually be realized either upon 
amortization of the asset when the research is completed and a product is successfully launched or the write-off of the asset if it 
is abandoned or unsuccessful.

As  of  December 31,  2018,  the  Company  had  federal,  state,  and  foreign  net  operating  loss  carry  forwards  ("NOLs")  of 
approximately $858.4 million, $943.5 million, and $35.0 million, respectively. The federal carry forward for losses generated prior 
to 2018 will expire in 2030 through 2037. Federal net operating losses incurred in 2018 and onward have an indefinite expiration 
under the 2017 Tax Cut & Jobs Act. Most of the state carry forwards generated prior to 2009 have expired through 2016. The 
remaining state carry forwards including those generated in 2009 through 2018 will expire in 2030 through 2038. The foreign 
NOLs have indefinite expiration. Utilization of NOLs may be subject to a substantial limitation pursuant to Section 382 of the 
Code as well as similar state statutes in the event of an ownership change. Such ownership changes have occurred in the past, and 
could  occur  again  in  the  future.  Under  Section 382  of  the  Internal  Revenue  Code  of  1986,  as  amended,  or  Section 382,  if  a 
corporation undergoes an "ownership change," generally defined as a greater than 50% change (by value) in its equity ownership 
over a three-year period, the corporation's ability to use its pre-change NOLs and other pre-change tax attributes (such as research 
and development tax credits) to offset its post-change income may be limited. We may experience ownership changes in the future 
as a result of shifts in our stock ownership some of which are outside our control. We completed a detailed study of our NOLs and 
determined that there was not an ownership change in excess of 50%. Ownership changes in future periods may place additional 
limits on our ability to utilize net operating loss and tax credit carry forwards. In addition, at the state level, there may be periods 
during which the use of NOLs is suspended or otherwise limited, which could accelerate or permanently increase state taxes owed.

-123-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

The Company also has research and experimentation and orphan drug credit carryforwards of approximately $23.7 million
and $72.8 million, respectively, which will expire in the years 2023 through 2037. Deferred tax assets for these carryforwards are 
subject to a full valuation allowance.

15. Licenses

The Company acquired rights to develop and commercialize its product candidates through licenses granted by various parties.

The following summarizes the Company's material rights and obligations under those licenses:

Nationwide Children's Hospital — As discussed in "— Note 3. Acquisitions," Celenex has an exclusive license agreement 
with Nationwide Children’s Hospital (“NCH”). Under this license agreement, NCH is eligible to receive development and sales 
based milestones of up to $7.8 million for each product.

University  of  Pennsylvania  —  For  discussion  of  the  royalties  and  milestone  payments  potentially  due  to  University  of 

Pennsylvania (“Penn”), see "— Note 16. Collaborative Agreements."

GSK  —  For  discussion  of  the  royalties  and  milestone  payments  potentially  due  to  GSK,  see  "— Note 16.  Collaborative 

Agreements."

Mt. Sinai School of Medicine of New York University ("MSSM") — The Company acquired exclusive worldwide patent rights 
to develop and commercialize Galafold® and other pharmacological chaperones for the prevention or treatment of human diseases 
or clinical conditions by increasing the activity of wild-type and mutant enzymes pursuant to a license agreement with Mt. Sinai 
School of Medicine ("MSSM") of New York University. Under this agreement, to date, the Company has paid no upfront or annual 
license fees and there are no milestone or future payments other than royalties on net sales. This agreement expires upon expiration 
of the last of the licensed patent rights, which will be in 2019, subject to any patent term extension that may be granted, or 2024 
if the Company develops a product for combination therapy (pharmacological chaperone plus/ERT) and a patent issues from the 
pending application covering the combination therapy, subject to any patent term extension that may be granted.

Under its license agreements, if the Company owes royalties on net sales for one of its products to more than one of the above 
licensors, then the Company has the right to reduce the royalties owed to one licensor for royalties paid to another. The amount 
of royalties to be offset is generally limited in each license and can vary under each agreement. 

For the year ended December 31, 2018, under the MSSM and GSK license and collaboration agreements, we paid $7.6 million

in royalties.

The Company's rights with respect to these agreements to develop and commercialize Galafold® may terminate, in whole or 
in part, if the Company fails to meet certain development or commercialization requirements or if the Company does not meet its 
obligations to make royalty payments.

16. Collaborative Agreements

University of Pennsylvania

In October 2018, the Company further expanded its gene therapy portfolio through a collaboration agreement with Penn 
to pursue research and development of novel gene therapies for four additional indications, including Pompe disease, Fabry 
disease, CDD and one additional undisclosed rare metabolic disorder. This relationship will combine the Company's protein 
engineering and glycobiology expertise with Penn’s AAV gene transfer technologies to develop AAV gene therapies designed 
for optimal cellular uptake, targeting, dosing, safety and manufacturability. In connection with the collaboration agreement, the 
Company  made  an  upfront  payment  of  $7  million  in  cash  to  Penn  in  October  2018,  which  was  expensed  to  research  and 
development  expense  in  the  Consolidated  Statements  of  Operations.  The  Company  agreed  to  certain  milestone  payments 
following the achievement of certain developmental and commercial milestone events by a licensed product in each indication 
up to an aggregate of $86.5 million per indication.

-124-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

GSK

In November 2013, Amicus entered into the Revised Agreement with GSK, pursuant to which Amicus has obtained global 
rights to develop and commercialize Galafold® as a monotherapy and in combination with ERT for Fabry disease. The Revised 
Agreement amends and replaces in its entirety the earlier agreement entered into between Amicus and GSK in July 2012. Under 
the terms of the Revised Agreement, there was no upfront payment from Amicus to GSK. For Galafold® monotherapy, GSK is 
eligible to receive post-approval and sales-based milestones up to $40 million, as well as tiered royalties in the mid-teens in eight
major markets outside the U.S. For the year ended December 31, 2018, the Company incurred approximately $6.9 million of 
royalty expenses under the revised agreement with GSK.

Under the terms of the Revised Agreement, GSK will no longer jointly fund development costs for all formulations of Galafold®.

In evaluating the impact of both the Expanded Collaboration Agreement and the Revised Agreement, the Company applied 
the accounting guidance regarding the impact of potential future payments it may make in its role as a vendor (i.e., Amicus) to its 
customer (i.e., GSK) and evaluated if these potential future payments could be a reduction of revenue from GSK. If the potential 
future payments to GSK are as follows:

•

•

•

•

a payment for an identifiable benefit, and

the identifiable benefit is separable from the existing relationship between the Company and GSK, and

the identifiable benefit can be obtained from a party other than GSK, and

the Company can reasonably estimate the fair value of the identifiable benefit,

then the potential future payments would be treated separately from the collaboration and research revenue. However, if all these 
criteria are not satisfied, then the potential future payments are treated as a reduction of revenue.

Accordingly, the Company did not believe that, for accounting purposes, the new U.S. licensing rights to Galafold® obtained 
from GSK under the Expanded Collaboration Agreement, nor the ex U.S. licensing rights to Galafold® obtained from GSK under 
the Revised Agreement, represented a separate, identifiable benefit from the licenses in the Original Collaboration Agreement 
entered into between Amicus and GSK in 2010. The contingent amounts payable to GSK were not sufficiently separable from 
GSK's original license and the research and development reimbursements such that Amicus could not have entered into a similar 
exchange transaction with another party. Additionally, the Company cannot reasonably estimate the fair value of the worldwide 
licensing rights to Galafold®.

The Company determined that the potential future payments to GSK would be treated as a reduction of revenue and that the 
total amount of revenue to be received under the arrangement is no longer fixed or determinable as the contingent milestone 
payments are subject to significant uncertainty.

As a result, the Company no longer recognized any of the upfront license fees and premiums on the equity purchase from 
GSK until such time as the arrangement consideration becomes fixed or determinable, because an indeterminable amount may 
ultimately be payable back to GSK. These amounts (the balance of the unrecognized upfront license fee and the premium on the 
equity purchases) are classified as deferred reimbursements on the balance sheet. 

For the year ended December 31, 2018, under the GSK collaboration agreements, we paid $1.3 million in sales-based 
milestones. As of December 31, 2018, the Company recognized a liability of $15.7 million as deferred reimbursements, in addition 
to $3.4 million related to royalties payable to GSK in accounts payable, accrued expenses, and other current liabilities in the 
Consolidated Balance Sheets.

The recognition of Research Revenue was also affected by the determination that the overall total arrangement consideration 
was  no  longer  fixed  and  determinable,  despite  the  fact  that  the  research  activities  continued  and  that  the  research  expense 
reimbursements by GSK to Amicus were received as the research activities related to the reimbursement had been completed. 
Therefore the research reimbursements from GSK were recorded as deferred reimbursements on the balance sheet and would not 
recognized until the total arrangement consideration becomes fixed and determinable.

-125-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

As  a  result,  all  revenue  recognition  was  suspended  until  the  total  arrangement  consideration  would  become  fixed  and 
determinable. In addition, future milestone payments made by the Company will be applied against the balance of this deferred 
reimbursements account. Revenue recognition for research expense reimbursements, the original upfront license fee, and the equity 
premiums will resume once the total arrangement consideration becomes fixed and determinable which will occur when the balance 
of the deferred reimbursements account is sufficient to cover all the remaining contingent milestone payments.

17. Basic and Diluted Net Loss per Common Share

The following table provides a reconciliation of the numerator and denominator used in computing basic and diluted net

loss attributable to common stockholders per common share:

(in thousands, except per share amounts)

Historical
Numerator:

Years Ended December 31,

2018

2017

2016

Net loss attributable to common stockholders

$

(348,995) $

(284,002) $

(200,042)

Denominator:

Weighted average common shares outstanding — basic and diluted

185,790,021

153,355,144

134,401,588

Dilutive common stock equivalents would include the dilutive effect of common stock options, convertible debt units, RSUs 
and warrants for common stock equivalents. Potentially dilutive common stock equivalents were excluded from the diluted 
earnings per share denominator for all periods because of their anti-dilutive effect. For the year ended 2018 there was 40.9 
million potential common shares outstanding as a result of the convertible debt that was excluded from the diluted net loss per 
share calculation because their effect would have been anti-dilutive.

The table below presents potential shares of common stock that were excluded from the computation as they were anti-

dilutive using the treasury stock method:

(in thousands)
Options to purchase common stock

Convertible debt

Outstanding warrants, convertible to common stock

Unvested restricted stock units

Vested restricted stock units, unissued

Total number of potentially issuable shares

Year ended December 31,

2018

2017

2016

15,810

40,850

2,657

3,712

91

63,120

15,181

40,850

3,110

2,575

50

61,766

15,528

40,850

3,110

744

—

60,232

-126-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

18. Selected Quarterly Financial Data (Unaudited — in thousands except per share data)

2018

Net loss

Basic and diluted net loss per common share (1)
2017

Net loss

March 31

June 30

September 30

December 31

Quarters Ended

$

$

$

(49,916) $

(61,833) $

(159,163) $

(78,083)

(0.28) $

(0.33) $

(0.84) $

(0.43)

(54,992) $

(48,136) $

(111,666) $

(69,208)

Basic and diluted net loss per common share (1)

(0.39)

(0.34)

(0.69)

(0.42)

_____________________________________________________________________

(1) Per common share amounts for the quarters and full years have been calculated separately. Accordingly, quarterly amounts
do not add to the annual amounts because of differences on the weighted-average common shares outstanding during each
period principally due to the effect of the Company issuing shares of its common stock during the year.

-127-

Amicus Therapeutics, Inc.

Notes To Consolidated Financial Statements — (Continued)

Item 9.    CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL 
DISCLOSURE.

None.

Item 9A.    CONTROLS AND PROCEDURES.

Evaluation of Disclosure Controls and Procedures

Our  management,  with  the  participation  of  our  principal  executive  officer  and  principal  financial  officer,  evaluated  the 
effectiveness of our disclosure controls and procedures as of December 31, 2018. The term "disclosure controls and procedures," 
as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act, means controls and other procedures of a company that are 
designed to ensure that information required to be disclosed by us in the reports that we file or submit under the Exchange Act is 
recorded, processed, summarized and reported within the time periods specified in the SEC rules and forms. Disclosure controls 
and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed 
by a company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the company's 
management, including its principal executive and principal financial officers, as appropriate to allow timely decisions regarding 
required disclosure. Management recognizes that any controls and procedures, no matter how well designed and operated, can 
provide only reasonable assurance of achieving their objectives and management necessarily applies its judgment in evaluating 
the cost-benefit relationship of possible controls and procedures. Based on the evaluation of our disclosure controls and procedures 
as of December 31, 2018, our principal executive officer and principal financial officer concluded that, as of such date, our disclosure 
controls and procedures were effective at the reasonable assurance level.

There have been no changes in our internal controls over financial reporting during the fourth quarter of the year ended 
December 31, 2018 that have materially affected, or are reasonably likely to materially affect, our internal controls over financial 
reporting.

Management's Report on Internal Control Over Financial Reporting

The information required by this section which includes the "Management's Report on Consolidated Financial Statements 
and Internal Control over Financial Reporting" and the "Report of Independent Registered Public Accounting Firm" are incorporated 
by reference from "Item 8. Financial Statements and Supplementary Data."

Item 9B.    OTHER INFORMATION.

None.

-128-

PART III

Certain information required by Part III is omitted from this Annual Report on Form 10-K as we intend to file our definitive 
proxy statement for our 2019 annual meeting of stockholders, pursuant to Regulation 14A of the Securities Exchange Act, not 
later than 120 days after the end of the fiscal year covered by this Annual Report on Form 10-K, and certain information to be 
included in the proxy statement is incorporated herein by reference.

Item 10.    DIRECTORS, EXECUTIVE OFFICERS OF THE REGISTRANT AND CORPORATE GOVERNANCE.

The information required by this item is incorporated by reference from the Proxy Statement under the caption "Management," 

"Section 16(a) Beneficial Ownership Reporting Compliance," and "Proposal No. 1 — Election of Directors"

We have adopted a Code of Business Ethics and Conduct for Employees, Executive Officers and Directors that applies to our 
employees, officers and directors and incorporate guidelines designed to deter wrongdoing and to promote the honest and ethical 
conduct and compliance with applicable laws and regulations. In addition, the code of ethics incorporates our guidelines pertaining 
to  topics  such  as  conflicts  of  interest  and  workplace  behavior.  We  have  posted  the  text  of  our  code  on  our  website  at 
www.amicusrx.com in connection with "Investors/Corporate Governance" materials. In addition, we intend to promptly disclose 
(1)(cid:3)the nature of any amendment to our code of ethics that applies to our principal executive officer, principal financial officer,(cid:3)
principal accounting officer or controller, or persons performing similar functions and (2) the nature of any waiver, including an(cid:3)
implicit waiver, from provision of our code of ethics that is granted to one of these specified officers, the name of such person(cid:3)
who is granted the waiver and the date the waiver on our website in the future.

Item 11.    EXECUTIVE COMPENSATION.

The information required by this item is incorporated by reference from the Proxy Statement under the caption "Compensation 

Discussion and Analysis."

Item 12.    SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED 
STOCKHOLDER MATTERS.

The information required by this item is incorporated by reference from the Proxy Statement under the captions "Security 
Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters" and "Equity Compensation Plan 
Information."

Item 13.    CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS AND DIRECTOR INDEPENDENCE.

The information required by this item is incorporated by reference from the Proxy Statement under the captions "Certain 
Relationships and Related Transactions," "Director Independence," "Committee Compensation and Meetings of the Board of 
Directors," and "Compensation Committee Interlock and Insider Participation."

Item 14.    PRINCIPAL ACCOUNTING FEES AND SERVICES.

The information required by this item is incorporated by reference from the Proxy Statement.

-129-

PART IV(cid:3)

1 Item 15.    EXHIBITS, FINANCIAL STATEMENT SCHEDULE(cid:3)

(a)(cid:3)

1. Consolidated Financial Statements

The Consolidated Financial Statements are filed as part of this report.

2. Consolidated Financial Statement Schedules

All schedules are omitted because they are not required or because the required information is included in the Consolidated 

Financial Statements or notes thereto.

3. Exhibits

Exhibit
No.

Filed Exhibit Description

2.1 Agreement and Plan of Merger, dated November 19, 
2013, by and among Amicus Therapeutics, Inc., CB 
Acquisition Corp., Callidus BioPharma, Inc., and 
Cuong Do

Incorporated by Reference
to SEC Filing

Form

Form 8-K

Date
2/12/2014

Exhibit No.
2.1

Filed with this
Form 10-K

2.2 Amendment to Agreement and Plan of Merger, dated 

Form 8-K

9/30/2015

September 30, 2015, by and among the Registrant, 
Titan Merger Sub Corp. and Scioderm, Inc.

+2.3 Agreement and Plan of Merger, dated July 5, 2016,

Form 8-K

7/6/2016

by and among MiaMed, Inc., the Registrant and 
Minervas Merger Sub, Inc.

+2.4 Agreement and Plan of Merger, dated as of

Form 8-K

9/25/2018

September 19, 2018, by and among Amicus 
Therapeutics, Inc., Columbus Merger Sub Corp., 
Celenex, Inc. and Shareholder Representative 
Services LLC, solely in its capacity as the 
Shareholders’ Representative

3.1 Restated Certificate of Incorporation of the 

Form 10-K

2/28/2012

Registrant.

3.2 Restated By-laws of the Registrant.

S-1/A (333-141700)

4/27/2007

3.3 Certificate of Amendment to the Registrant's 

Form 8-K

6/10/2015

Restated Certificate of Incorporation, as amended.

3.4 Certificate of Amendment to the Restated Certificate 

Form 8-K

6/8/2018

of Incorporation

4.1 Specimen Stock Certificate evidencing shares of 

S-1 (333-141700)

3/30/2007

common stock

4.2 Third Amended and Restated Investor Rights 

S-1 (333-141700)

3/30/2007

Agreement, dated as of September 13, 2006, as 
amended

4.3 Form of Warrant, issued on October 1, 2015

4.4 Form of Warrant to Purchase Common Stock

Form 8-K

Form 8-K

10/1/2015

2/22/2016

2.2

2.1

2.1

3.1

3.4

3.1

3.1

4.1

4.2

4.1

4.1

-130-

Exhibit
No.

Filed Exhibit Description

Form

4.5 Form of Warrant to Purchase Common Stock

Form 8-K

Date
7/1/2016

Exhibit No.
4.1

Filed with this
Form 10-K

Incorporated by Reference
to SEC Filing

4.6 Form of Indenture

4.7

Indenture, dated December 21, 2016, by and 
between the Registrant and Wilmington Trust, 
National Association

*10.1

2002 Equity Incentive Plan, as amended, and
forms of option agreements thereunder

+10.2 Amended and Restated License Agreement, dated
October, 31, 2008, by and between the Registrant 
and Mount Sinai School of Medicine of New York 
University

Form S-3ASR

Form 8-K

4/29/2016

12/21/2016

S-1/A (333-141700)

4/27/2007

Form 10-K

2/6/2009

4.7

4.1

10.1

10.3

+10.3 Exclusive License Agreement, dated as of June 8,

S-1 (333-141700)

3/30/2007

10.5

2005, by and between the Registrant and Novo 
Nordisk, A/S

10.4 Form of Director and Officer Indemnification 

S-1 (333-141700)

3/30/2007

10.17

Agreement

*10.5 Amended and Restated 2007 Director Option Plan

Form 8-K

6/18/2010

10.2

and form of option agreement

*10.6

2007 Employee Stock Purchase Plan

S-1/A (333-141700)

5/17/2007

*10.7 Management Bonus Program Summary

10.8 Lease Agreement dated August 16, 2011 between 
the Registrant and Cedar Brook 3 Corporate 
Center, L.P.

Form 8-K

Form 8-K

6/9/2016

8/16/2011

10.24

10.1

10.1

-131-

Exhibit
No.
10.9 Securities Purchase Agreement, dated 

Filed Exhibit Description

November 20, 2013 by and among the Company 
and the purchasers identified therein

Incorporated by Reference
to SEC Filing

Form

Form 8-K

Date
11/20/2013

Exhibit No.
10.1

Filed with this
Form 10-K

10.10 Credit and Security Agreement, by and between 

Form 8-K

12/30/2013

10.1

MidCap Funding III, LLC, as administrative agent, 
the Lenders listed in the Credit Facility Schedule 
thereto, the Registrant, and Callidus 
Biopharma, Inc., dated as of December 27, 2013

+10.11 Second Restated Agreement, dated November 19,

Form 10-K

3/3/2014

10.46

2013 by and between the Registrant and Glaxo 
Group Limited

*10.12 Amicus Therapeutics, Inc. Cash Deferral Plan

Form 8-K

10.13 Amendment No.1 to the Amicus Therapeutics, Inc. 

Form 8-K

7/2/2014

10/16/2014

Cash Deferral Plan

*10.14 Employment Agreement dated April 23, 2014,

Form 8-K

4/25/2014

between the Registrant and John F. Crowley

*10.15 Employment Agreement dated April 23, 2014,

Form 8-K

4/25/2014

between the Registrant and William D. Baird, III

*10.16 Employment Agreement dated April 23, 2014,

Form 8-K

4/25/2014

between the Registrant and Bradley L. Campbell

*10.17 Employment Agreement dated April 23, 2014,

Form 10-Q

5/5/2014

between the Registrant and Jay Barth, M.D.

*10.18 Letter Agreement dated April 30, 2014, between

Form 10-Q

5/5/2014

the Registrant and Daphne Quimi

*10.19 Amended and Restated 2007 Equity Incentive Plan

Form 8-K

*10.20 Amicus Therapeutics, Inc. Cash Deferral Plan

Form 8-K

*10.21 Employment Agreement dated December 17, 2015

Form 10-K

between the Registrant and Hung Do

6/13/2016

10/28/2016

2/29/2016

10.1

10.1

10.1

10.2

10.3

10.6

10.8

10.1

10.1

10.37

-132-

Exhibit
No.

Filed Exhibit Description

*10.22 Amendment No. 1 to the Amicus

Therapeutics, Inc. Cash Deferral Plan

Incorporated by Reference
to SEC Filing

Form

Form 8-K

Date
10/16/2014

Exhibit No.
10.1

Filed with this
Form 10-K

10.23 First Amendment to Credit and Security

Form 8-K

4/28/2015

10.1

Agreement by and between MidCap Funding 
III, LLC, as administrative agent, the Lenders 
listed in the Credit Facility Schedule thereto, the 
Registrant, and Callidus Biopharma, Inc., dated as 
of April 27, 2015.

10.24 Note and Warrant Purchase Agreement by and 

Form 8-K

10/1/2015

10.1

among the Registrant and the purchasers identified 
on the signature pages thereto, dated October 1, 
2015

10.25 First Amendment to Lease, dated September 9, 
2015, by and between Cedar Brook 3 Corporate 
Center, L.P. and the Registrant

Form 8-K

9/14/2015

10.1

*10.26 Retention Bonus Letter, dated March 10, 2016, by

Form 8-K

3/15/2016

and between the Registrant and Jay Barth, M.D.

10.27 Note and Warrant Purchase Agreement by and 

Form 8-K

2/22/2016

10.1

10.1

10.28

among the Registrant and the purchasers identified 
on the signature pages thereto, dated February 19, 
2016.

Joinder to and Amendment of Note and Warrant 
Purchase Agreement by and among Amicus 
Therapeutics, Inc., Amicus Therapeutics UK 
Limited, Amicus Therapeutics International 
Holding LTD and the purchasers identified on the 
signature pages thereto, dated as of June 30, 2016

Form 8-K

7/1/2016

10.2

*10.29 Amendment No. 1 to the Amended and Restated

Form 8-K

7/29/2016

10.1

Amicus Therapeutics, Inc. 2007 Equity Incentive 
Plan

-133-

Incorporated by Reference
to SEC Filing

Exhibit
No.

Filed Exhibit Description

Form

*10.30 Secondment Letter, dated August 22, 2016 by and

Form 8-K

between the Registrant and Bradley Campbell

Date
8/23/2016

Exhibit No.
10.1

Filed with this
Form 10-K

10.31 Base Capped Call Transaction, dated 

Form 8-K

12/21/2016

10.1

December 15, 2016, by and between the Registrant 
and Goldman, Sachs & Co.

10.32 Base Capped Call Transaction, dated 

Form 8-K

12/21/2016

10.2

December 15, 2016, by and between the Registrant 
and JPMorgan Chase Bank, National Association

10.33 Base Capped Call Transaction, dated 

Form 8-K

12/21/2016

10.3

December 15, 2016, by and between the Registrant 
and Royal Bank of Canada

10.34 Additional Capped Call Transaction, dated 

Form 8-K

12/21/2016

10.4

December 19, 2016, by and between the Registrant 
and Goldman, Sachs & Co.

10.35 Additional Capped Call Transaction, dated 

Form 8-K

12/21/2016

10.5

December 19, 2016, by and between the Registrant 
and JPMorgan Chase Bank, National Association

10.36 Additional Capped Call Transaction, dated 

Form 8-K

12/21/2016

10.6

December 19, 2016, by and between the Registrant 
and Royal Bank of Canada

10.37 Note Purchase Agreement, dated December 15, 

Form 8-K

12/21/2016

10.7

2016, by and among the Registrant, Amicus 
Therapeutics International Holding LTD and 
P Redmile Ltd.

10.38 Note Purchase Agreement, dated December 15, 

Form 8-K

12/21/2016

10.8

2016, by and among the Registrant, Amicus 
Therapeutics International Holding LTD and 
Redmile Capital Offshore Fund, Ltd.

10.39 Note Purchase Agreement, dated December 15, 
2016, by among the Registrant, Amicus 
Therapeutics International Holding LTD and 
Redmile Capital Offshore Fund II, Ltd.

Form 8-K

12/21/2016

10.9

-134-

Exhibit
No.
10.40 Note Purchase Agreement, dated December 15, 

Filed Exhibit Description

2016, by and among the Registrant, Amicus 
Therapeutics International Holding LTD and 
Redmile Special Opportunities Fund, Ltd.

Incorporated by Reference
to SEC Filing

Form

Form 8-K

Date
12/21/2016

Exhibit No.
10.10

Filed with this
Form 10-K

10.41 Note Purchase Agreement, dated December 15, 

Form 8-K

12/21/2016

10.11

2016, by and among the Registrant, Amicus 
Therapeutics International Holding LTD and 
Redmile Capital Fund, LP

10.42 Note Purchase Agreement, dated December 15, 

Form 8-K

12/21/2016

10.12

2016, by and between Amicus Therapeutics 
International Holding LTD and GCM Grosvenor 
Special Opportunities Master Fund, Ltd.

*10.43 Form of Performance-Based Restricted Stock Unit
Award Agreement under the Amended and 
Restated 2007 Equity Incentive Plan

10.44 Loan Agreement, dated as of September 19, 2018, 
by and among Amicus Therapeutics, Inc., as 
Borrower, certain subsidiaries of the Borrower, as 
Guarantors, and Biopharma Credit PLC, as Lender

Form 8-K

12/30/2016

10.1

Form 8-K

9/25/18

10.1

10.45 Form of Exchange Agreements Relating to 

Form 8-K

1/24/19

10.1

Company's 3.00% Convertible Senior Notes due 
2023

10.46 Form of Exchange Agreements Relating to 

Form 8-K

2/8/19

10.1

Company's 3.00% Convertible Senior Notes due 
2023

10.47 Amendment #1 to the Amended and Restated 

Form 8-K

12/26/18

10.1

Amicus Therapeutics, Inc. 2007 Equity Incentive 
Plan

++10.48 Research, Collaboration and License Agreement 
with The Trustees of the University of 
Pennsylvania dated October 8, 2018

10.49 Separation Agreement with William D. Baird III 

dated as of February 8, 2019

21 List of Subsidiaries

23.1 Consent of Independent Registered Public 

Accounting Firm.

31.1 Certification of Principal Executive Officer 
Pursuant to Rule 13a-14(a) of the Securities 
Exchange Act of 1934.

31.2 Certification of Principal Financial Officer 
Pursuant to Rule 13a-14(a) of the Securities 
Exchange Act of 1934.

32.1 Certificate of Principal Executive Officer pursuant 

to 18 U.S.C. Section 1350 and Section 906 of the 
Sarbanes-Oxley Act of 2002.

32.2 Certificate of Principal Financial Officer pursuant 
to 18 U.S.C. Section 1350 and Section 906 of the 
Sarbanes-Oxley Act of 2002.

-135-

X

X

X

X

X

X

X

X

Exhibit
No.

Filed Exhibit Description

Form

Date

Exhibit No.

Incorporated by Reference
to SEC Filing

101   The following financial information from this

Annual Report on Form 10-K for the year ended
December 31, 2018, formatted in XBRL
(Extensible Business Reporting Language) and
filed electronically herewith: (i) the Consolidated
Balance Sheets; (ii) the Consolidated Statements of
Operations; (iii) the Consolidated Statements of
Comprehensive Loss; (iv) the Consolidated
Statements of Cash Flows; (v) and the Notes to the
Consolidated Financial Statements.

_____________________________________________________________________

Filed with this
Form 10-K
X

+

Confidential treatment has been granted as to certain portions of the document, which portions have been omitted and
filed separately with the Securities and Exchange Commission.

++ 

Subject to confidential treatment request.

*

Indicates management contract or compensatory plan.

The information required by this item is incorporated by reference from the Proxy Statement under the captions "Certain 
Relationships  and  Related Transactions,"  "Director  Independence,"  "Committee  Compensation  and  Meetings  of  the  Board  of 
Directors," and "Compensation Committee Interlock and Insider Participation."

Item 16.    FORM 10-K SUMMARY.

Registrants may voluntarily include a summary of information required by Form 10-K under this Item 16. The Company 

has elected not to include such summary information.

-136-

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused 

this report to be signed on its behalf by the undersigned, thereunto duly authorized on February 28, 2019.

SIGNATURES

AMICUS THERAPEUTICS, INC.
(Registrant)
By:

/s/    John F. Crowley
John F. Crowley
Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this Report has been signed below by the following 

persons on behalf of the Registrant and in the capacities and on the dates indicated.

Signature

Title

Date

/s/    John F. Crowley

(John F. Crowley)

/s/    Daphne Quimi

(Daphne Quimi)

/s/    Samantha Prout

(Samantha Prout)

/s/    Robert Essner

(Robert Essner)

/s/    Ted W. Love, M.D.

(Ted W. Love, M.D.)

/s/    Margaret G. McGlynn, R.Ph.
(Margaret G. McGlynn, R.Ph.)

Chairman and Chief Executive Officer
(Principal Executive Officer)

February 28, 2019

Chief Financial Officer
(Principal Financial Officer)

February 28, 2019

Global Controller
(Principal Accounting Officer)

February 28, 2019

February 28, 2019

February 28, 2019

February 28, 2019

Director

Director

Director

-137-

Signature

Title

Date

Director

Director

Director

Director

February 28, 2019

February 28, 2019

February 28, 2019

February 28, 2019

/s/    Michael G. Raab

(Michael G. Raab)

/s/    Glenn Sblendorio

(Glenn Sblendorio)

/s/    Craig Wheeler

(Craig Wheeler)

/s/    Lynn Bleil

(Lynn Bleil)

-138-

C O M P A N Y   I N F O R M A T I O N

E X E C U T I V E   O F F I C E R S

JOHN F. CROWLEY

DAVID CLARK

Chairman and  
Chief Executive Officer

BRADLEY L. CAMPBELL

President and  
Chief Operating Officer

DAPHNE QUIMI

Chief Financial Officer

ELLEN S. ROSENBERG

Chief Legal Officer and  
Corporate Secretary

Chief People Officer

HUNG DO PH.D.

Chief Science Officer

JAY A. BARTH M.D.

Chief Medical Officer

SAMANTHA PROUT

Global Controller and  
Principal Accounting Officer 

B O A R D   O F   D I R E C T O R S

JOHN F. CROWLEY

MARGARET G. MCGLYNN

Chairman and  
Chief Executive Officer

BRADLEY L. CAMPBELL

President and  
Chief Operating Officer

Director, Air Products and 
Chemicals, Inc. and Vertex 
Pharmaceuticals, Inc.

ROBERT ESSNER

Director

MICHAEL G. RAAB

TED W. LOVE M.D.

Lead Independent Director 
President and Chief  
Executive Officer, Ardelyx, Inc.

Chief Executive Officer,  
Global Blood Therapeutics, Inc.

LYNN D. BLEIL

Director, Sonova Holding AG  
and Stericycle, Inc.

CRAIG A. WHEELER

President and Chief 
Executive Officer,  
Momenta Pharmaceuticals, Inc.

GLENN P. SBLENDORIO

President and Chief  
Executive Officer,  
IVERIC bio, Inc.

HEADQUARTERS

Amicus Therapeutics, Inc.
1 Cedar Brook Drive 
Cranbury, NJ 08512 
609 662 2000

TRANSFER AGENT

American Stock Transfer  
& Trust Company, LLC
6201 15th Avenue 
Brooklyn, NY 11219 
718 921 8200

INDEPENDENT REGISTERED 
PUBLIC ACCOUNTING FIRM

Ernst & Young LLP

STOCKHOLDER INQUIRIES

All shareholder inquiries related to the 
Company’s stock should be directed to: 

Amicus Therapeutics Inc.  
Investor Relations 
ir@amicusrx.com

COMMON STOCK

NASDAQ Symbol: FOLD

SEC FORM 10-K

A copy of the Company’s annual report to 
the  Securities  and  Exchange  Commission 
on  Form  10-K  will  be  available  without 
charge  upon  written  request  to  Amicus 
Therapeutics,  Inc.,  1  Cedar  Brook  Drive, 
Cranbury,  NJ  08512  or  via  the  Company’s 
website at www.amicusrx.com.

ANNUAL MEETING

Amicus will hold its Annual General Meeting 
of  Shareholders  at  9:00  a.m.  on  June  27, 
2019,  at  the  Company’s  headquarters  in 
Cranbury, NJ. 

SAFE HARBOR

This annual report contains certain forward-
looking  statements.  For  a  discussion  of 
forward-looking  statements,  please  see 
Part 1, Item 1 of our annual report on Form 
10-K for 2018.

A M I C U S   T H E R A P E U T I C S ,   I N C .

1 Cedar Brook Drive
Cranbury, NJ 08512

+1 609-662-2000

www.amicusrx.com