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Regeneron Pharmaceuticals

regn · NASDAQ Healthcare
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Employees 5001-10,000
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FY2015 Annual Report · Regeneron Pharmaceuticals
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RELENTLESS INVENTION

          MENU        >C O N T E N T S

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REGENERON AT A GL ANCE

SHAREHOLDER LE T TER

MARK E TED PRODUC TS

8 

CLINICA L-STAGE PIPELINE

13

16

18

24

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26

E ARLY-STAGE PIPELINE  /  R + D

GROW TH

CITIZENSHIP

FORWARD-LOOK ING STATEMENTS

CORPOR ATE INFORMATION

REFERENCES

<        MENU        >REGENERON AT A GLANCE

4

FDA-approved
medicines

~3.5MILLION doses of EYLEA®

sold globally in 2015

12

antibodies in clinical trials 
across multiple therapeutic areas

5 YRS

Ranked #1 or #2 employer in the global 
biopharmaceutical industry in Science 
Top Employers Survey 5 years in a row

68

peer-reviewed 
publications
in 2015

2,118 volunteer 

hours at

66 organizations through 

Regeneron in the 
Community program

4TH

Most Innovative 
Company, according 
to Forbes

Regeneron
employees
worldwide

consented individuals 
sequenced by the 
Regeneron Genetics Center 

annual reduction 
in greenhouse gas 
emissions per employee

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<        MENU        >DEAR SHAREHOLDERS, 

2015 was a busy and rewarding year for Regeneron as we made major strides in advancing our mission of 
bringing important new medicines to people with serious diseases, over and over again. 

We delivered EYLEA® (aflibercept) Injection, our therapy for serious 
vision-threatening diseases, to more and more patients, and we launched 
PRALUENT® (alirocumab) Injection, a first-in-class therapy for uncontrolled 
LDL cholesterol in certain patients.  

In the next few years, we anticipate additional approvals for a number of new 
therapies. In 2016, we look forward to potentially launching sarilumab for 
rheumatoid arthritis, pending U.S. Food and Drug Administration (FDA) review 
of our application. We also expect a potential U.S. regulatory submission for 
dupilumab in atopic dermatitis, a serious form of eczema, for which we have 
been granted a Breakthrough Therapy designation by the FDA.  

Our pipeline of a dozen clinical-stage antibodies continues to progress, with 
important programs in eye disease, cancer, infectious disease, pain, 
cardiovascular disease and inflammation. We also continue to invest in 
technology and innovation that will position us to bring needed new 
medicines to patients for many years into the future. Likewise, we have made 
important infrastructure investments to ensure our long-term success, 
including adding two new buildings at our headquarters in Tarrytown, New 
York, and expanding our Industrial Operations facilities in Rensselaer, New 
York, and Raheen, Ireland.

We have always run Regeneron by the principle of “doing well by doing 
good.” In addition to our work to invent new and needed medicines, we focus 
on improving our world and operating with the highest standards of integrity. 

This year, for the first time, our Annual Report integrates reporting on our 
citizenship priorities and aspirations, in addition to our financial and business 
performance.

We invite you to read about our 2015 accomplishments, financial 
performance and citizenship efforts below and in our 2015 Annual Report on 
Form 10-K, available on the Investor Relations portion of our website. 

Unfortunately, there was also some sadness in 2015. Our longtime friend, 
mentor, co-founder and Board member, Dr. Alfred G. Gilman, passed away in 
December. Dr. Gilman was a Nobel Laureate who made lasting contributions 
to science and medicine. On a personal level, we all benefited greatly from 
Al’s counsel and wry wit over the years, and we will miss him greatly. 

We look forward to updating you on our progress as we continue building 
Regeneron into a leading global biopharmaceutical company.

Sincerely, 

Leonard Schleifer, MD, PhD

Roy Vagelos, MD 

George Yancopoulos, MD, PhD

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<        MENU        >M A R K E T E D
P R O D U CTS

M A K E   G R E AT   M E D I C I N E .
T H E N   D O   I T   A G A I N   A N D   A G A I N .

<        MENU        >EYLEA® (AFLIBERCEPT) INJECTION AND RETINAL DISEASE PROGRAMS

Market-leading VEGF-Trap approved in more than 100 countries for the treatment 
of many blindness-causing retinal conditions, including wet age-related 
macular degeneration and diabetic macular edema (DME). 

EYLEA net sales in the U.S. increased 54% to $2.676 billion for the full year of 2015, from $1.736 billion for the 

full year 2014. Outside of the U.S., where our collaborator Bayer HealthCare commercializes EYLEA, net 

sales were $1.413 billion in 2015, compared to $1.039 billion in 2014. Regeneron recognized $467 million 

from its share of net profit outside the U.S. in 2015, compared to $301 million in 2014.

EYLEA U.S. SALES:
54% INCREASE

$2.676 bn

This growth was driven in part by the publication in early 2015 of first-year results from an 

independent National Institutes of Health (NIH)-sponsored comparative effectiveness study 

in DME. In the study, at one year, EYLEA demonstrated a significantly greater 

improvement in mean change in best-corrected visual acuity (BCVA) from baseline 

compared to ranibizumab and bevacizumab, two other VEGF inhibitors used in 

retinal disease. The rates of most ocular and systemic adverse events were 

similar across the three study groups. 

In 2016, we initiated a Phase 3 study of EYLEA in diabetic retinopathy 
in patients without DME, a common degenerative eye disease that 

impacts people with diabetes. We continue to explore EYLEA in 

combination with other mechanisms, and have two ongoing 

clinical programs in this area, aflibercept+PDGFR-beta 

and aflibercept+ANG2, in collaboration with Bayer 

HealthCare.

EYLEA EX-U.S. SALES:
36% INCREASE

$1.736 bn

$1.413 bn

$1.409 bn

$1.039 bn

$427.1 mm

2013

2014

2015

2013

2014

2015

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<        MENU        >PRALUENT® (ALIROCUMAB) INJECTION

Only monoclonal antibody targeting PCSK9 (proprotein convertase subtilisin/kexin 
type 9) available in two doses, allowing for tailored therapy based on a patient’s 
LDL-C lowering needs.

In July 2015, PRALUENT was approved by the FDA as adjunct to diet and maximally tolerated statin therapy for the treatment 

of adults with heterozygous familial hypercholesterolemia or clinical atherosclerotic cardiovascular disease, who require 

additional lowering of LDL-C (often referred to as “bad cholesterol”). The effect of PRALUENT on cardiovascular 

morbidity and mortality has not been determined.  

Together with our collaborator Sanofi, the U.S. launch is underway. We have focused on physician education 

about this new class, as well as achieving patient access and reimbursement coverage from health plans. 

PRALUENT was also approved in the E.U., and launches are underway across the region. 

The ongoing ODYSSEY OUTCOMES clinical trial program, which is evaluating the potential of 

PRALUENT to prevent heart attacks, stroke and cardiac death, reached full enrollment in 2015, 

with more than 18,000 patients at more than 2,000 study centers. Interim results are 

possible in late 2016, and we expect full results in 2017. 

ODYSSEY OUTCOMES

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<        MENU        > C L I N I C A L- STA G E
P I P E L I N E

N E V E R   STO P
A S K I N G   W H Y.

<        MENU        >PIPELINE  (as of April 2016)

Regeneron has a dozen fully human monoclonal antibodies in clinical development, 
all of which were developed using our proprietary VelocImmune ® technology.

P H A S E   1

P H A S E   2

REGN1979
CD20/CD3 Antibody

Cancer

REGN1908-1909
Allergic disease

*  in collaboration with Sanofi
^ in collaboration with Bayer HealthCare
† 
in collaboration with Mitsubishi Tanabe

DUPILUMAB*
IL-4R Antibody
Atopic dermatitis in children, nasal 
polyps, eosinophilic esophagitis

SARILUMAB* 
IL-6R Antibody

Non-infectious uveitis

TREVOGRUMAB
GDF8 Antibody

Skeletal muscle disorders

REGN2176-3^ 
Rinucumab (PDGFR-beta 
Antibody) + Aflibercept

Wet age-related macular 
degeneration

EVINACUMAB
Angptl3 Antibody

Lipid disorders

REGN910-3^ 
Nesvacumab (Ang2 
Antibody) + Aflibercept

Ophthalmology

REGN2810*
PD-1 Antibody

Cancer

FASINUMAB†
NGF Antibody

Chronic lower back pain

P H A S E   3

ALIROCUMAB*
PCSK9 Antibody
Cardiovascular outcomes

AFLIBERCEPT^
VEGF-Trap
Diabetic retinopathy without DME

SARILUMAB*
IL-6R Antibody
Rheumatoid arthritis

DUPILUMAB*
IL-4R Antibody
Atopic dermatitis in adults, asthma

REGN2222
RSV Antibody
Respiratory syncytial virus

FASINUMAB†
NGF Antibody
Pain due to osteoarthritis

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<        MENU        >SARILUMAB

An anti-IL-6 monoclonal antibody under U.S. regulatory 
review for the treatment of rheumatoid arthritis (RA). 

In 2015, we reported positive data from three Phase 3 trials of sarilumab in 

patients with rheumatoid arthritis. Together with our collaborator, Sanofi, 

we submitted the U.S. Biologics License Application in November 2015 

and were assigned a Prescription Drug User Fee Act (PDUFA) date 

of October 30, 2016. 

In March 2016, the Phase 3 SARIL-RA-MONARCH 

monotherapy study met its primary endpoint by 

demonstrating that sarilumab was superior to 
adalimumab (Humira®) in improving signs and 
symptoms of active RA at Week 24. The 

incidence of adverse events, serious 

adverse events, infections and 

serious infections was generally 

similar between groups.

U NME T NEED IN R HEU M ATO ID
A R T HR I T IS  R EM A INS

RA IMPACTS MORE THAN
1.3 MILLION 
AMERICANS 1

—  While significant strides have been made in the treatment of RA, there are 

continued unmet needs

—  A central driver of the destructive effects of RA in the joints is persistently 

elevated levels of IL-6, a signaling protein in the body.2-5 At normal levels, IL-6 is 
responsible for contributing to the healing process after injury or infection.3,6-7 
However, at persistently raised levels, IL-6 triggers inflammation that can destroy 
bone and cartilage5,8-12

—  IL-6 may also contribute to the multiple systemic effects of RA, including fatigue, 

anemia and bone density loss2

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<        MENU        >DUPILUMAB

A first-in-class investigational monoclonal antibody blocking IL-4 
and IL-13, two key cytokines believed to be drivers in allergic 
inflammation.

Dupilumab is being studied for the treatment of certain allergic conditions, including atopic 

dermatitis (AD), uncontrolled asthma, nasal polyps and eosinophilic esophagitis. 

Dupilumab was granted a Breakthrough Therapy designation by the FDA for the 

treatment of adults with moderate-to-severe atopic dermatitis who are not 

adequately controlled with topical prescription therapy and/or for whom 

these treatments are not appropriate. We expect to submit an 

application for FDA approval later this year. 

In 2016, we reported positive topline results from two 

large Phase 3 studies in atopic dermatitis and continue 

to enroll patients in a second pivotal study in 

asthma. In the atopic dermatitis studies, the 
overall rate of adverse events was 

comparable between the dupilumab 

groups and the placebo groups.

ATOP I C DER M AT I T IS : 
U NME T NEED IN A  DE VA S TAT ING  
A ND M ISU NDERS TOOD D ISE A SE

APPROXIMATELY 
1.6 MILLION U.S. ADULTS
ARE ESTIMATED TO HAVE UNCONTROLLED
MODERATE-TO-SEVERE ATOPIC DERMATITIS 13

—  Currently, only topical therapies have been 

approved by the FDA

—  Systemic immuno-suppressants are used 

off-label, but can have significant side effects

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<        MENU        >REGN2222

FASINUMAB

A fully human monoclonal antibody being 
investigated for the prevention of serious lower 
respiratory tract infections associated with 
Respiratory Syncytial Virus (RSV).

In 2015, we initiated the Phase 3 NURSERY-Pre-term trial that will evaluate the 

efficacy, safety, pharmacokinetics and immunogenicity of REGN2222 in infants 

under the age of six months. 

An antibody targeting nerve growth factor being 
evaluated for the potential to offer a novel, 
non-opioid approach to addressing chronic pain. 

Two clinical trials of fasinumab for pain due to osteoarthritis and chronic back 

pain were initiated in 2016. In 2015, we entered into a collaboration with 

Mitsubishi Tanabe Pharma Corporation to develop and commercialize fasinumab 

in Japan, Korea and nine other Asian countries (excluding China).

U NME T NEED I N A 
V U L NER A B L E P OP U L AT I ON

U NME T NEED IN   
C HRON I C PA IN

APPROXIMATELY
50 MILLION 
U.S. ADULTS
SUFFER FROM SIGNIFICANT 
CHRONIC OR SEVERE PAIN 15

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REGN22221 IN 5 INFANTSUNDER 6 MONTHS WILL REQUIRE MEDICAL ATTENTION FOR RSV14<        MENU        > 
E A R LY- STA G E  
P I P E L I N E   /   R + D

O U R   G R E AT E ST   D I S C O V E R I E S
H AV E   Y E T   TO   B E   D E F I N E D .

<        MENU        >IMMUNO-ONCOLOGY

RAPID RESPONSE +
INFECTIOUS DISEASE

Building on our existing Sanofi antibody 
collaboration, we launched a new $2.2B global 
immuno-oncology collaboration with Sanofi.

This new undertaking will provide important new resources to advance our 

portfolio in this rapidly developing field, which seeks to harness the body’s 

immune system to fight cancer.

We continued to explore multiple approaches in immuno-oncology, including 

bispecific antibodies, checkpoint inhibitors and antibody drug conjugates. We 
have two antibodies, a CD20/CD3 bispecific antibody and a PD-1 inhibitor, in 

clinical studies with data expected in 2016. A number of additional 

immuno-oncology antibodies are expected to enter the clinic this year and next. 

Regeneron’s Rapid Response capabilities leverage 
our core VelociSuite ® technologies to significantly 
compress the time required for discovery and 
preclinical validation of potential treatments for 
emerging infectious diseases. 

In 2015, we identified and validated a novel therapeutic cocktail of three 

antibodies targeting the Ebola virus, and reached an agreement with the 

Biomedical Advanced Research and Development Authority (BARDA) of the U.S. 
Department of Health and Human Services to develop, test and manufacture 

this potential treatment. A Phase 1 study in healthy volunteers is planned for the 

first half of 2016. We similarly identified and validated an antibody against 

MERS (Middle East Respiratory Virus) and are working to advance this 

program, as well as pursuing antibody therapies for other devastating viral 

diseases such as Zika and Dengue. 

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<        MENU        >REGENERON GENETICS CENTER

In its second full year, the Regeneron 
Genetics Center (RGC) continued to grow 
rapidly in terms of scope, scale and speed. 

The RGC was created to elucidate, on a large scale, genetic factors that 

cause or influence a range of human diseases. The team has sequenced 

over 100,000 exomes to date, and is now delivering new target 

opportunities and validating existing targets in our preclinical and clinical 

programs. We continued to bring world-class collaborators from industry, 

academia and leading health-systems on board, and published the RGC’s 
first peer-reviewed publication in the New England Journal of Medicine. 

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<        MENU        >G R OWT H

B E   A N   E N G I N E  
O F   I N V E N T I O N .

<        MENU        >GROWTH

In 2015, we grew in many aspects of our business. 

We continued construction of our world-class, 400,000-square-foot manufacturing facility in Limerick, Ireland, 

which will significantly expand our biologic supply capabilities for commercial products. We opened new 

buildings in our Rensselaer Industrial Operations headquarters and our Tarrytown R&D laboratories and 
corporate headquarters. And we welcomed our 4,000th Regeneron employee, all while remaining focused on 
sustaining the innovative culture that makes us unique. 

REVENUE

$4.104 bn

FULL-TIME EMPLOYEES

4,300
(650 with PhD and/or 
MD or PharmD)

R&D INVESTMENT*

$1.621 bn

$2.820 bn

$2.105 bn

46 %
increase

2,925

2,340

47%
increase

$1.271 bn

$860 mm

2013

2014

2015

2013

2014

2015

2013

2014

2015

28 %
increase

* Generally Accepted 
Accounting Principles 
R&D Expenses

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<        MENU        >C I T I Z E N S H I P

D O I N G   W E L L ,
BY   D O I N G   G O O D .

<        MENU        >COMMITTED TO A BETTER FUTURE 

In addition to our work to invent new and needed 
medicines, we are focused on improving our world 
and operating with the highest standards of 
integrity. We are proud not only of what we do, but 
how we do it.

These four pillars help us articulate how we view 
our responsibility and commitment to society:

FOSTERING 
the future
of scientific
innovation

NURTURING 
our
high-engagement, 
high-integrity
culture

CULTIVATING 
sustainable 
communities

SUPPORTING 
patient
communities

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<        MENU        >FOSTERING THE FUTURE OF SCIENTIFIC INNOVATION 

We believe our STEM (Science, Technology, Engineering and Math) education is a top priority; 
we are focused on ensuring a strong pipeline of STEM talent for many years to come.

Spanning from elementary school to postdoctoral fellowships, our STEM programs spark interest in 

science and enhance knowledge, scientific research and careers in biotechnology. 

AT TR ACT, SUPPORT AND REWARD 
the best and brightest minds in science research

Our immersive internship program offers college and graduate students a uniquely collaborative work 

environment to gain hands-on, real-world experience. We are also a founding supporter and title sponsor 

of the Westchester Science and Engineering Fair (affiliated with the International Science and Engineering 

Fair, or ISEF) high school science research competition, and award the Regeneron Prize to graduate and 

postdoctoral students every year.

INCRE ASE THE EFFECTIVENESS 
of teachers in STEM

Created in partnership with the STEM Leadership Center, our teaching fellowship gives New York state-certified 

middle and high school science teachers the tools they need to deliver higher-quality instruction.

BRIDGE STEM SKILLS GAPS  AND CAREER AWARENESS 
among students historically underrepresented in the sciences

Our Sci2Med Academy initiative with Yonkers Partners in Education is an after-school program for high school 

juniors that broadens knowledge of science and awareness of careers in biotechnology. Students have the 

opportunity to learn about biotechnology and drug discovery, hear from Regeneron researchers and tour the labs.

Science Education hours: 

Number of REGN Interns: 

19,000

196

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<        MENU        > 
 
CULTIVATING SUSTAINABLE COMMUNITIES

We proudly support the communities where we work and live, and that includes a 
company-wide commitment to environmental sustainability. 

Community Service
Regeneron in the Community (RIC), our company 

volunteer program, unites our people through days of 

service, company-sponsored activities and employee-led 

projects. RIC inspires action, fosters collaboration and 

motivates our people to self-organize around service 

projects that reflect their individual passions. 

2,118

volunteer 
hours at

66 organizations 

through RIC

600additional organizations 

supported through the 
Matching Gifts Program

93%

of employees feel good about the ways 
we contribute to the community 

— Great Places to Work Employee Survey

In 2013, we set five-year targets in four 

key areas to help inform our choices and 

actions, all with the aim of reducing our 

environmental footprint as we grow.

Environmental Sustainability
We want to grow our business while reducing 

our environmental impact. We proactively seek 

environmentally responsible ways to better operate 

our business now and in the future, and we focus 
on environmental stewardship throughout our 

value chain. 

CARBON *
Reduced our carbon footprint 
per employee by 14%, 
moving toward our expanded 
2018 goal of 30%

ELECTRICITY*
Reduced our consumption
per employee by 5%, moving 
toward our 2018 goal of 10%

WASTE
44% of our waste avoids the landfill, 
moving toward our 2018 goal of 90%

HAZARDOUS CHEMICAL WASTE
51% reduction per lab employee, 
just short of our 2018 goal of 60%

*Carbon and Electricity are reported based on the Carbon Disclosure Project reporting year; 2013 noted above corresponds to June 2013 – May 2014 reporting year.

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<        MENU        > 
 
SUPPORTING PATIENT COMMUNITIES

Our employees are focused on putting science, technology and 
innovation to work to make a difference in patients’ lives.

This effort starts in the labs, moves into the clinic and continues with our commitment to ensuring patients 

can access the therapies they need.

Comprehensive patient programs, like MyPraluent™ and EYLEA4USM, provide support for patients 
throughout their treatment journey by offering insurance eligibility support, financial assistance and free 

medicine to eligible patients. Additional services include access to educational information and clinical 

support for physicians, nurses and pharmacists.

Regeneron does not influence or control the operations of independent co-pay assistance foundations and 

cannot guarantee assistance will be provided.

We also aim to support community needs through unique programs 
and active engagement with the advocacy organizations that represent 
the patients we serve.

ITNAmerica/Rides in Sight
Regeneron is a national Eye-Care Services Sponsor for ITNAmerica/Rides in Sight. 

Advocacy Partnerships
Our company was built on the fundamental goal of helping patients, and we regularly 

ITNAmerica is the first, national non-profit transportation network committed to 

engage with advocacy organizations to help empower patients. For example, we partnered 

providing safe, low-cost, community-based transportation options for seniors and 
those with vision loss to help them maintain their independence. 

with the Arthritis Foundation to create patient advocacy summits and patient ambassador 

programs, all with the goal of catalyzing national and local advocacy efforts.

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<        MENU        > 
 
NURTURING OUR HIGH-ENGAGEMENT, HIGH-INTEGRITY CULTURE

We empower our people to thrive personally and professionally, work together to create 
positive change, and promote an ethical culture of diversity and inclusion. 

4TH

Most Innovative Company, 
according to Forbes

2ND

CONSECUTIVE YEAR

100 Best Companies 
to Work For, Fortune

5 YRS

Ranked #1 or #2 employer in the 
global biopharmaceutical industry 
in Science Top Employers Survey 
5 years in a row

95%

of employees say 
“I’m proud to tell others I work here”
- Great Places to Work Employee Survey

We work hard to nurture our highly ethical culture through: 

Opportunities for Growth
We encourage and assist our employees in their quests to continue learning 

throughout their careers.

Culture of Collaboration  
We thrive on diverse ideas and individuals who aren’t afraid to challenge 

convention, and we believe our next great discovery could spring from any 

level of the organization. 

Integrity at Work
We pride ourselves on doing the right thing and have rigorous 

policies in place to ensure that our colleagues, vendors and 

business partners are acting in accordance with all applicable 

laws, rules and regulations.

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<        MENU        > 
 
FORWARD-LOOKING STATEMENTS

This  Annual  Report  includes  forward-looking  statements  that  involve  risks  and  uncertainties  relating  to  future  events  and  the  future  performance  of  Regeneron 

Pharmaceuticals,  Inc.  (“we,”  “us,”  “our,”  “Regeneron,”  or  the  “Company”),  and  actual  events  or  results  may  differ  materially  from  these  forward-looking  statements. 

Words  such  as  “anticipate,”  “expect,”  “intend,”  “plan,”  “believe,”  “seek,”  “estimate,”  variations  of  such  words  and  similar  expressions  are  intended  to  identify  such 

forward-looking statements, although not all forward-looking statements contain these identifying words. These statements concern, and these risks and uncertainties 

include, among others, the nature, timing, and possible success and therapeutic applications of our products, product candidates, and research and clinical programs 

now underway or planned, including without limitation EYLEA® (aflibercept) Injection, PRALUENT® (alirocumab) Injection, sarilumab, dupilumab, fasinumab, REGN 2222, 

and  the  immuno-oncology  program;  unforeseen  safety  issues  resulting  from  the  administration  of  products  and  product  candidates  in  patients,  including  serious 

complications  or  side  effects  in  connection  with  the  use  of  our  product  candidates  in  clinical  trials;  the  likelihood  and  timing  of  possible  regulatory  approval  and 

commercial  launch  of  our  late-stage  product  candidates  and  new  indications  for  marketed  products,  including  without  limitation  EYLEA®,  PRALUENT®,  sarilumab, 

dupilumab, fasinumab, and REGN 2222; ongoing regulatory obligations and oversight impacting our marketed products (such as EYLEA® and PRALUENT®), research 

and clinical programs, and business, including those relating to patient privacy; determinations by regulatory and administrative governmental authorities which may 

delay or restrict our ability to continue to develop or commercialize our products and product candidates; competing drugs and product candidates that may be superior 

to our products and product candidates; uncertainty of market acceptance and commercial success of our products and product candidates; our ability to manufacture 

and manage supply chains for multiple products and product candidates; coverage and reimbursement determinations by third-party payers, including Medicare and 

Medicaid; unanticipated expenses; the costs of developing, producing, and selling products; our ability to meet any of its sales or other financial projections or guidance 

and changes to the assumptions underlying those projections or guidance; the potential for any license or collaboration agreement, including our agreements with Sanofi 

and Bayer HealthCare LLC, to be canceled or terminated without any further product success; and risks associated with third-party intellectual property and pending 

or  future  litigation  relating  thereto.  A  more  complete  description  of  these  and  other  material  risks  can  be  found  in  our  filings  with  the  Securities  and  Exchange 

Commission, including our Annual Report on Form 10-K for the fiscal year ended December 31, 2015 (filed with the Securities and Exchange Commission on February 

11, 2016), including in the section thereof captioned “Item 1A. Risk Factors.” Any forward-looking statements are made based on management’s current beliefs and 

judgment, and the reader is cautioned not to rely on any forward-looking statements made by Regeneron. We do not undertake any obligation to update publicly any 

forward-looking statement, including without limitation any financial projection or guidance, whether as a result of new information, future events, or otherwise.

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<        MENU        >CORPORATE INFORMATION

Common Stock and Related Matters 
Our Common Stock is traded on The NASDAQ Global Select Market under the symbol “REGN.” Our Class A Stock is not publicly quoted or traded. 

The following table sets forth, for the periods indicated, the range of high and low sales prices for the Common Stock as reported by The NASDAQ Global Select Market. 

2014   
First Quarter  
Second Quarter 
Third Quarter 
Fourth Quarter 

HIGH   
$352.49 
$320.00 
$369.31 
$437.64 

LOW
$262.97
$269.50
$285.06
$320.06

2015   
First Quarter  
Second Quarter 
Third Quarter 
Fourth Quarter 

HIGH   
$495.50 
$544.00 
$605.93 
$592.59 

LOW
$393.00
$433.47
$435.52
$488.10

As of April 14, 2016, there were 211 shareholders of record of our Common Stock and 23 shareholders of record of our Class A Stock. 
The closing sales price for the Common Stock on that date was $406.83. 

We have never paid cash dividends and do not anticipate paying any in the foreseeable future. 

SEC Form 10-K 
A copy of our 2015 Annual Report on Form 10-K filed with the Securities and Exchange 
Commission (which accompanies and forms part of this 2015 Annual Report to Shareholders) is 
available without charge from the Regeneron Investor Relations Department. 

2016 Annual Shareholder Meeting 
The 2016 Annual Shareholder Meeting will be held on 
Friday, June 10, 2016, at 10:30 a.m. at the Westchester 
Marriott Hotel, 670 White Plains Road, Tarrytown, New 
York 10591. 

Shareholders’ Inquiries 
Inquiries relating to stock transfer or lost certificates and notices of changes of address should be directed to our Transfer Agent, American Stock Transfer & Trust 
Co., 6201 15th Avenue, Brooklyn, New York 11219, (800) 937-5449, www.amstock.com/main. General information regarding the Company, recent press releases, and 
SEC filings are available on our website at www.regeneron.com, or can be obtained by contacting our Investor Relations Department at (914) 847-7741. 

Corporate Office 
777 Old Saw Mill River Road 
Tarrytown, New York 10591-6707 
(914) 847-7400 

Transfer Agent and Registrar 
American Stock Transfer & Trust Co. 
6201 15th Avenue
Brooklyn, New York 11219 

Independent Registered Public Accounting Firm 
PricewaterhouseCoopers LLP 

REGENERON®, Science to Medicine®, and the following are registered trademarks of Regeneron Pharmaceuticals, Inc.: ARCALYST®, EYLEA®, VelociGene®, and 
VelocImmune®. PRALUENT® is a registered trademark of Sanofi.

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REFERENCES

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Available at: http://www.rheumatology.org/I-Am-A/Patient- 

Caregiver/Diseases-Conditions/Rheumatoid-Arthritis. 

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