Amgen 10-K 2022-12-31

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-K

(Mark One)

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

For the fiscal year ended December 31, 2022

or

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

Commission file number 001-37702

Amgen Inc.

(Exact name of registrant as specified in its charter)

Delaware						95-3540776
(State or other jurisdiction of incorporation or organization)						(I.R.S. Employer Identification No.)
One Amgen Center Drive						91320-1799
Thousand Oaks
California
(Address of principal executive offices)						(Zip Code)

(805) 447-1000

(Registrant’s telephone number, including area code)

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

Title of each class			Trading Symbol (s)			Name of each exchange on which registered
Common stock, $0.0001 par value			AMGN			The Nasdaq Stock Market LLC
2.00% Senior Notes due 2026			AMGN26			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 ý 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 ý

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or Section 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 ý 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 ý No ¨

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			Accelerated filer			Non-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 whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. ☒

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act) Yes ☐ No ý

The approximate aggregate market value of voting and non-voting stock held by non-affiliates of the registrant was $129,940,091,621 as of June 30, 2022.(A)

(A)Excludes 818,128 shares of common stock held by directors and executive officers, and any stockholders whose ownership exceeds ten percent of the shares outstanding, at June 30, 2022. Exclusion of shares held by any person should not be construed to indicate that such person possesses the power, directly or indirectly, to direct or cause the direction of the management or policies of the registrant, or that such person is controlled by or under common control with the registrant.

533,976,238

(Number of shares of common stock outstanding as of February 6, 2023)

DOCUMENTS INCORPORATED BY REFERENCE

Specified portions of the registrant’s Proxy Statement with respect to the 2023 Annual Meeting of Stockholders to be held May 19, 2023, are incorporated by reference into Part III of this annual report.

INDEX

						Page No.
			DEFINED TERMS AND PRODUCTS			ii
PART I						1
Item 1.			BUSINESS			1
			Significant Developments			1
			Marketing, Distribution and Selected Marketed Products			3
			Reimbursement			9
			Manufacturing, Distribution and Raw Materials			11
			Government Regulation			13
			Research and Development and Selected Product Candidates			16
			Business Relationships			22
			Human Capital Resources			23
			Information about our Executive Officers			26
			Geographic Area Financial Information			27
			Investor Information			27
Item 1A.			RISK FACTORS			27
Item 1B.			UNRESOLVED STAFF COMMENTS			51
Item 2.			PROPERTIES			52
Item 3.			LEGAL PROCEEDINGS			52
Item 4.			MINE SAFETY DISCLOSURES			52
PART II						53
Item 5.			MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES			53
Item 6.			RESERVED			54
Item 7.			MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS			55
Item 7A.			QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK			75
Item 8.			FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA			77
Item 9.			CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE			77
Item 9A.			CONTROLS AND PROCEDURES			78
Item 9B.			OTHER INFORMATION			80
PART III						80
Item 10.			DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE			80
Item 11.			EXECUTIVE COMPENSATION			80
Item 12.			SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS			81
Item 13.			CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS AND DIRECTOR INDEPENDENCE			82
Item 14.			PRINCIPAL ACCOUNTANT FEES AND SERVICES			82
PART IV						83
Item 15.			EXHIBITS AND FINANCIAL STATEMENT SCHEDULES			83
Item 16.			FORM 10-K SUMMARY			89
SIGNATURES						90

i

Defined Terms and Products

Defined terms

We use several terms in this Form 10-K, including but not limited to those that are finance, regulation and disease-state related as well as names of other companies, which are given below.

Term			Description
2017 Tax Act			Tax Cuts and Jobs Act of 2017
AbbVie			AbbVie Inc.
Amended 2009 Plan			Amended and Restated 2009 Equity Incentive Plan
ANDA			Abbreviated New Drug Application
AOCI			accumulated other comprehensive income (loss)
ASCVD			atherosclerotic cardiovascular disease
ASR			Accelerated Share Repurchase
AstraZeneca			AstraZeneca plc
BeiGene			BeiGene, Ltd.
Bergamo			Laboratorio Quimico Farmaceutico Bergamo Ltda
BiTE®			bispecific T-cell engager
BPCIA			Biologics Price Competition and Innovation Act of 2009
CCPA			California Consumer Privacy Act of 2018
Celgene			Celgene Corporation
CGRP			calcitonin gene-related peptide
ChemoCentryx			ChemoCentryx, Inc.
chemotherapy			anticancer medicines
CHMP			Committee for Medicinal Products for Human Use
CMS			Centers for Medicare & Medicaid Services
COSO			Committee of Sponsoring Organizations of the Treadway Commission
COVID-19			coronavirus disease 2019
CV			cardiovascular
DLL3			delta-like ligand 3
DOJ			U.S. Department of Justice
EC			European Commission
Eczacıbaşı			EIS Eczacıbaşı İlaç, Sınai ve Finansal Yatırımlar Sanayi ve Ticaret A.Ş.
EMA			European Medicines Agency
EPS			earnings per share
ESG			environmental, social and governance
EU			European Union
FASB			Financial Accounting Standards Board
FCPA			U.S. Foreign Corrupt Practices Act
FDA			U.S. Food and Drug Administration
FDCA			Federal Food, Drug, and Cosmetic Act
Fitch			Fitch Ratings, Inc.
Five Prime			Five Prime Therapeutics, Inc.
FTC			Federal Trade Commission
GAAP			U.S. generally accepted accounting principles
GDPR			General Data Protection Regulation
GEJ			gastroesophageal junction
Gensenta			Gensenta İlaç Sanayi ve Ticaret A.Ş.
HHS			U.S. Department of Health & Human Services
Horizon			Horizon Therapeutics plc

ii

Term			Description
IL			interleukin
IND			Investigational New Drug Application
IPR&D			in-process research and development
IRA			Inflation Reduction Act
IRS			Internal Revenue Service
Janssen			Janssen Biotech, Inc.
K-A			Kirin-Amgen, Inc.
KKC			Kyowa Kirin Co., Ltd.
KRAS			Kirsten rat sarcoma viral oncogene
LDL-C			low-density lipoprotein cholesterol
LIBOR			London Interbank Offered Rate
Lilly			Eli Lilly and Company
Lp(a)			lipoprotein(a)
MD&A			management’s discussion and analysis
Moody’s			Moody’s Investors Service, Inc.
MRD			minimal residual disease
Neumora			Neumora Therapeutics, Inc.
NOL			net operating loss
Novartis			Novartis Pharma AG
NSCLC			non-small cell lung cancer
OECD			Organisation for Economic Co-operation and Development
OIG			Office of Inspector General
OLE			open label extension
ORR			objective response rate
PBM			pharmacy benefit manager
PCSK9			proprotein convertase subtilisin/kexin type 9
PDE4			phosphodiesterase 4
PFS			progression-free survival
PNH			paroxysmal nocturnal hemoglobinuria
Profit Sharing Plan			Amgen Profit Sharing Plan for Employees in Ireland
R&D			research and development
RANKL			receptor activator of nuclear factor kappa-B ligand
RAR			Revenue Agent Report
REMS			risk evaluation and mitigation strategy
ROU			right-of-use
ROW			rest of world
RSUs			restricted stock units
S&P			Standard & Poor’s Financial Services LLC
SEC			U.S. Securities and Exchange Commission
SG&A			selling, general and administrative
siRNA			small interfering RNA
SOFR			Secured Overnight Financing Rate
Teneobio			Teneobio, Inc.
U.S. Treasury			U.S. Department of Treasury
USPTO			U.S. Patent and Trademark Office
UTB			unrecognized tax benefit

iii

Products

The brand names of our products, our delivery devices and certain of our product candidates and their associated generic names are given below.

Term			Description
Acapatamab			Acapatamab (formerly AMG 160)
Aimovig			Aimovig® (erenumab-aooe)
AMGEVITA			AMGEVITA™ (adalimumab)
AMJEVITA			AMJEVITA™ (adalimumab-atto)
Aranesp			Aranesp® (darbepoetin alfa)
AutoTouch			AutoTouch®
AVSOLA			AVSOLA® (infliximab-axxq)
BLINCYTO			BLINCYTO® (blinatumomab)
Corlanor			Corlanor® (ivabradine)
Efavaleukin alfa			Efavaleukin alfa (formerly AMG 592)
Emirodatamab			Emirodatamab (formerly AMG 427)
ENBREL			Enbrel® (etanercept)
ENBREL Mini			ENBREL Mini®
EPOGEN			EPOGEN® (epoetin alfa)
EVENITY			EVENITY® (romosozumab-aqqg)
IMLYGIC			IMLYGIC® (talimogene laherparepvec)
KANJINTI			KANJINTI® (trastuzumab-anns)
KYPROLIS			KYPROLIS® (carfilzomib)
LUMAKRAS/LUMYKRAS			LUMAKRAS® / LUMYKRAS™ (sotorasib)
MVASI			MVASI® (bevacizumab-awwb)
Neulasta			Neulasta® (pegfilgrastim)
NEUPOGEN			NEUPOGEN® (filgrastim)
Nplate			Nplate® (romiplostim)
Olpasiran			Olpasiran (formerly AMG 890)
Onpro			Onpro®
Ordesekimab			Ordesekimab (formerly AMG 714)
Otezla			Otezla® (apremilast)
Parsabiv			Parsabiv® (etelcalcetide)
Prolia			Prolia® (denosumab)
Repatha			Repatha® (evolocumab)
RIABNI			RIABNI® (rituximab-arrx)
Rocatinlimab			Rocatinlimab (formerly AMG 451)
Rozibafusp alfa			Rozibafusp alfa (formerly AMG 570)
Sensipar/Mimpara			Sensipar®/Mimpara™ (cinacalcet)
SureClick			SureClick®
Tarlatamab			Tarlatamab (formerly AMG 757)
TAVNEOS			TAVNEOS® (avacopan)
TEZSPIRE			TEZSPIRE® (tezepelumab-ekko)
Vectibix			Vectibix® (panitumumab)
XGEVA			XGEVA® (denosumab)

Products referenced in this report that are not included in the above list are trademarks of their respective owners. They are Avastin®, Cosentyx®, DARZALEX®, EYLEA®, Fulphila®, Herceptin®, HUMIRA®, POMALYST®/IMNOVID®, PRALUENT®, PROCRIT®, PROMACTA®/REVOLADE™, Remicade®, REVLIMID®, RINVOQ®, Rituxan®/MabThera®, Skyrizi®, SOLIRIS®, STELARA®, Taltz®, Teribone™, Tremfya®, UDENYCA®, VELCADE® and Xeljanz®.

iv

PART I

Amgen Inc. (including its subsidiaries, referred to as “Amgen,” “the Company,” “we,” “our” or “us”) is a biotechnology company committed to unlocking the potential of biology for patients suffering from serious illnesses by discovering, developing, manufacturing and delivering innovative human therapeutics. This approach begins by using tools like advanced human genetics to unravel the complexities of disease and understand the fundamentals of human biology.

Amgen focuses on areas of high unmet medical need and leverages its expertise to strive for solutions that improve health outcomes and dramatically improve people’s lives. A biotechnology pioneer, Amgen has grown to be one of the world’s leading independent biotechnology companies, has reached millions of patients around the world and is developing a pipeline of medicines with breakaway potential.

Amgen was incorporated in California in 1980 and became a Delaware corporation in 1987. We have a presence in approximately 100 countries worldwide. Amgen operates in one business segment: human therapeutics.

Significant Developments

Following is a summary of significant developments affecting our business that have occurred and that we have reported since the filing of our Annual Report on Form 10-K for the year ended December 31, 2021.

Acquisitions

Proposed acquisition of Horizon Therapeutics plc

• On December 12, 2022, we announced that we entered into a transaction agreement under which Amgen will acquire all shares of Horizon for $116.50 per share in cash for a transaction equity value of approximately $27.8 billion. In connection with the proposed acquisition of Horizon, in December 2022 we entered into a bridge credit agreement and a term loan credit agreement with an aggregate principal amount of $28.5 billion. Horizon is a global biotechnology company headquartered in Dublin, Ireland and is focused on the discovery, development and commercialization of medicines that address critical needs for people impacted by rare, autoimmune and severe inflammatory diseases. Horizon has 12 marketed medicines and a pipeline with more than 20 development programs. The closing of this transaction is contingent upon satisfaction of certain regulatory (including FTC review) and other customary closing conditions.

◦On January 30, 2023, the Company and Horizon each received a request for additional information and documentary materials (Second Request) from the FTC in connection with the FTC’s review of the Company’s proposed acquisition of Horizon. The effect of the Second Request is to extend the waiting period imposed by the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, until 30 days after the Company and Horizon have substantially complied with the Second Request, unless that period is extended voluntarily by the Company and Horizon or terminated sooner by the FTC.

ChemoCentryx, Inc.

• On October 20, 2022, we completed our acquisition of ChemoCentryx for $52.00 per share in cash totaling approximately $3.8 billion, net of cash acquired.

Products/Pipeline

Cardiometabolic

Repatha

• In 2022, we presented results from the Repatha FOURIER-OLE studies, two open label extension (OLE) studies (with 6,635 patients) to the Phase 3 FOURIER cardiovascular (CV) outcomes trial. FOURIER-OLE was designed to assess the long-term safety and tolerability of Repatha in adults with clinically evident atherosclerotic cardiovascular disease (ASCVD). In these studies, an exploratory analysis demonstrated that earlier initiation of Repatha resulted in a lower risk of cardiovascular outcomes as defined by the composite endpoint of cardiovascular death, myocardial infarction (MI) and stroke, and the incidence of serious adverse events did not increase over time.

Olpasiran

• In November 2022, we presented positive end-of-treatment results from the Phase 2 OCEAN(a)-DOSE study evaluating olpasiran in adult patients with lipoprotein(a), or Lp(a), levels over 150 nmol/L and a history of ASCVD. Olpasiran is a small interfering RNA (siRNA) designed to lower the body’s production of apolipoprotein(a), a key component of Lp(a) that has been associated with an increased risk of CV events. In the double-blind placebo-controlled treatment period, olpasiran was administered up to 225 mg subcutaneously every 12 weeks to patients with a median baseline Lp(a) of approximately 260 nmol/L. Patients who received a 75 mg or higher dose every 12 weeks had a 95% or greater reduction in Lp(a) compared to placebo at week 36. Overall, the rates of adverse events were similar in the olpasiran and placebo arms.

Inflammation

TEZSPIRE

• In September 2022, the EC approved TEZSPIRE in the EU as an add-on therapy in patients 12 years and older with severe asthma who are inadequately controlled with high dose inhaled corticosteroids plus another medicinal product for maintenance treatment. The approval follows the recommendation by the CHMP of the EMA in July 2022.

ABP 654

• In April 2022, we announced preliminary results from a Phase 3 study evaluating the efficacy and safety of ABP 654 compared to STELARA (ustekinumab) in adult patients with moderate-to-severe plaque psoriasis. The study met the primary efficacy endpoint, demonstrating no clinically meaningful differences between ABP 654 and STELARA.

Oncology/Hematology

LUMAKRAS/LUMYKRAS

• In April 2022, we announced long-term efficacy and safety data from the CodeBreaK 100 Phase 1/2 trial in patients with KRAS G12C–mutated advanced non-small cell lung cancer (NSCLC) who received LUMAKRAS/LUMYKRAS. In 174 heavily pre-treated patients (172 with baseline measurable lesion(s)), LUMAKRAS/LUMYKRAS demonstrated a centrally confirmed objective response rate (ORR) of 40.7%, disease control rate of 83.7% and median duration of response (DOR) of 12.3 months. The results also showed median progression-free survival (PFS) of 6.3 months and overall survival of 12.5 months, with 32.5% of patients still alive at two years. No new safety signals for LUMAKRAS/LUMYKRAS were identified with the long-term follow-up.

• In September 2022, we announced results from the global Phase 3 CodeBreaK 200 trial, which showed once-daily oral LUMAKRAS/LUMYKRAS led to significantly superior PFS (primary endpoint) and a significantly higher ORR (a key secondary endpoint) in patients with KRAS G12C–mutated NSCLC, compared with intravenous chemotherapy, docetaxel. LUMAKRAS/LUMYKRAS significantly improved PFS compared to docetaxel in heavily pre-treated patients. The proportion of patients with PFS at one year was 25% for LUMAKRAS/LUMYKRAS versus 10% for docetaxel. LUMAKRAS/LUMYKRAS demonstrated a significantly higher ORR than docetaxel with double the response rates in the LUMAKRAS/LUMYKRAS arm (28% versus 13%, respectively).

ABP 959

• In August 2022, we announced positive top-line results from the DAHLIA study, a randomized, double-blind, active-controlled, two-period crossover Phase 3 study evaluating the efficacy and safety of ABP 959, a biosimilar candidate to SOLIRIS (eculizumab), compared with SOLIRIS in adult patients with paroxysmal nocturnal hemoglobinuria (PNH). The study met its primary endpoints, demonstrating no clinically meaningful differences between ABP 959 and SOLIRIS. The safety and immunogenicity profile of ABP 959 was comparable to that of SOLIRIS.

New manufacturing facility

• In March 2022, we broke ground to build a drug substance plant in North Carolina that will increase our manufacturing network capacity.

Marketing, Distribution and Selected Marketed Products

The largest concentration of our sales and marketing forces is based in the United States and Europe. In recent years, we have expanded the commercialization and marketing of our products into other geographic territories, including Japan, China and other parts of Asia; Latin America; and the Middle East. This expansion has occurred, and is expected to continue to occur, by establishin

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This report and other documents we file with the SEC contain forward-looking statements that are based on current expectations, estimates, forecasts and projections about us, our future performance, our business, our beliefs and our management’s assumptions. These statements are not guarantees of future performance and involve certain risks, uncertainties and assumptions that are difficult to predict. You should carefully consider the risks and uncertainties our business faces. The risks described below are not the only ones we face. Our business is also subject to the risks that affect many other companies, such as employment relations, general economic conditions, geopolitical events and international operations. Further, additional risks not currently known to us or that we currently believe are immaterial may in the future materially and adversely affect our business, operations, liquidity and stock price.

SUMMARY

Risks Related to Economic Conditions and Operating a Global Business, Including During the COVID-19 Pandemic

• The COVID-19 pandemic, and the public and governmental effort to mitigate against the spread of the disease, have had, and are expected to continue to have, an adverse effect, and may have a material adverse effect, on our clinical trials, operations, manufacturing, supply chains, distribution systems, product development, product sales, business and results of operations.

• A breakdown of our information technology systems, cyberattack or information security breach could compromise the confidentiality, integrity and availability of our information technology systems, network-connected control systems and/or our data, interrupt the operation of our business and/or affect our reputation.

• Our sales and operations are subject to the risks of doing business internationally, including in emerging markets.

Risks Related to Government Regulations and Third-Party Policies

• Our sales depend on coverage and reimbursement from government and commercial third-party payers, and pricing and reimbursement pressures have affected, and are likely to continue to affect, our profitability.

• Guidelines and recommendations published by various organizations can reduce the use of our products.

• The adoption and interpretation of new tax legislation or exposure to additional tax liabilities could affect our profitability.

• Our business may be affected by litigation and government investigations.

Risks Related to Competition

• Our products face substantial competition and our product candidates are also likely to face substantial competition.

• Our intellectual property positions may be challenged, invalidated or circumvented, or we may fail to prevail in current and future intellectual property litigation.

• We currently face competition from biosimilars and generics and expect to face increasing competition from biosimilars and generics in the future.

• Concentration of sales at certain of our wholesaler distributors and consolidation of private payers may negatively affect our business.

Risks Related to Research and Development

• We may not be able to develop commercial products despite significant investments in R&D.

• We must conduct clinical trials in humans before we commercialize and sell any of our product candidates or existing products for new indications.

• Our current products and products in development cannot be sold without regulatory approval.

• Some of our products are used with drug delivery or companion diagnostic devices that have their own regulatory, manufacturing and other risks.

• Some of our pharmaceutical pipeline and our commercial product sales rely on collaborations with third parties, which may adversely affect the development and sales of our products.

• Our efforts to collaborate with or acquire other companies, products, or technology, and to integrate the operations of companies or to support the products or technology we have acquired, may not be successful, and may result in unanticipated costs, delays or failures to realize the benefits of the transactions.

Risks Related to Operations

• We perform a substantial majority of our commercial manufacturing activities at our facility in the U.S. territory of Puerto Rico and a substantial majority of our clinical manufacturing activities at our facility in Thousand Oaks, California; significant disruptions or production failures at these facilities could significantly impair our ability to supply our products or continue our clinical trials.

• We rely on third-party suppliers for certain of our raw materials, medical devices and components.

• Manufacturing difficulties, disruptions or delays could limit supply of our products and limit our product sales.

• Our business and operations may be negatively affected by the failure, or perceived failure, of achieving our environmental, social and governance objectives.

• The effects of global climate change and related natural disasters could negatively affect our business and operations.

General Risk Factors

• Global economic conditions may negatively affect us and may magnify certain risks that affect our business.

• Our stock price is volatile.

• We may not be able to access the capital and credit markets on terms that are favorable to us, or at all.

RISKS RELATED TO ECONOMIC CONDITIONS AND OPERATING A GLOBAL BUSINESS, INCLUDING DURING THE COVID-19 PANDEMIC

The COVID-19 pandemic, and the public and governmental effort to mitigate against the spread of the disease, have had, and are expected to continue to have, an adverse effect, and may have a material adverse effect, on our clinical trials, operations, manufacturing, supply chains, distribution systems, product development, product sales, business and results of operations.

The novel coronavirus identified in late 2019, SARS-CoV-2, which causes the disease known as COVID-19, is an ongoing global pandemic that has resulted in public and governmental efforts to contain or slow the spread of the disease, including widespread shelter-in-place orders, social distancing interventions, quarantines, travel restrictions and various forms of operational shutdowns. The COVID-19 pandemic and the resulting measures implemented in response to the pandemic are adversely affecting, and are expected to continue to adversely affect, our business (including our R&D, clinical trials, operations, manufacturing, supply chains, distribution systems, product development and sales activities), the business activities

of our suppliers, customers, third-party payers and our patients. See Our current products and products in development cannot be sold without regulatory approval; see also We must conduct clinical trials in humans before we commercialize and sell any of our product candidates or existing products for new indications. Due to the pandemic and these measures and their effects, we have experienced, and expect to continue to experience, unpredictable reductions in demand for certain of our products, exacerbated by COVID-19 surges resulting in repeated shutdowns and/or disruptions in certain geographies.

Federal, state and local, and international governmental policies and initiatives designed to reduce the transmission of COVID-19 also have resulted in the cancellation or delay of diagnostic, elective, specialty and other procedures and appointments to avoid non-essential patient exposure to medical environments and potential infection with COVID-19 and to focus limited resources and personnel capacity toward the treatment of COVID-19. For example, an NPR/Harvard poll in 2021 found that, with hospitals crowded from COVID-19, one in five U.S. households had to delay care for serious illnesses. These measures and challenges will likely continue to varying degrees and have significantly reduced patient access to, and administration of, certain of our drugs. For example, Prolia requires administration by a healthcare provi

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None.

As of December 31, 2022, we owned or leased approximately 150 properties. The locations and primary functions of significant properties are summarized in the following tables:

U.S. Location:			Manufacturing			Administrative			R&D			Sales & marketing			Warehouse			Distribution center
Thousand Oaks, CA*			P			P			P			P			P			P
San Francisco, CA									P
Louisville, KY															P			P
Cambridge, MA									P
Juncos, Puerto Rico			P			P									P			P
West Greenwich, RI			P			P									P
Tampa, FL						P
Other U.S. cities						P						P

• Corporate headquarters

ROW Location:			Manufacturing			Administrative			R&D			Sales & marketing			Warehouse			Distribution center
Brazil			P			P						P			P			P
Canada						P			P			P
China						P						P
Denmark						P			P			P
Germany						P			P			P
Iceland						P			P
Ireland			P			P						P			P			P
Japan						P						P
Netherlands			P			P						P			P			P
Singapore			P			P						P			P
Switzerland						P						P
United Kingdom						P			P			P
Other countries						P			P			P			P

Excluded from the information above are (i) undeveloped land and leased properties that have been abandoned and (ii) certain buildings we still own but that are no longer used in our business. There are no material encumbrances on our owned properties.

We believe our facilities are suitable for their intended uses and, in conjunction with our third-party contract manufacturing agreements, provide adequate capacity and are sufficient to meet our expected needs. See Item 1A. Risk Factors for a discussion of the factors that could adversely impact our manufacturing operations and the global supply of our products.

See Item 1. Business—Manufacturing, Distribution and Raw Materials.

Certain of the legal proceedings in which we are involved are discussed in Part IV—Note 19, Contingencies and commitments, to the Consolidated Financial Statements and are hereby incorporated by reference.

Not applicable.

PART II

Common stock

Our common stock trades on the NASDAQ Global Select Market under the symbol AMGN. As of February 6, 2023, there were approximately 4,838 holders of record of our common stock.

Performance graph

The following graph shows the value of an investment of $100 on December 31, 2017, in each of Amgen common stock, the Amex Biotech Index, the Amex Pharmaceutical Index and Standard & Poor’s 500 Index. All values assume reinvestment of the pretax value of dividends and are calculated as of December 31 of each year. The historical stock price performance of the Company’s common stock shown in the performance graph is not necessarily indicative of future stock price performance.

			12/31/2017						12/31/2018						12/31/2019						12/31/2020						12/31/2021						12/31/2022
Amgen (AMGN)			$100.00						$115.08						$146.87						$143.93						$145.19						$174.94
Amex Biotech (BTK)			$100.00						$100.26						$120.75						$137.14						$132.31						$127.01
Amex Pharmaceutical (DRG)			$100.00						$107.45						$127.20						$138.31						$170.64						$183.88
Standard & Poor’s 500 (SPX)			$100.00						$95.63						$125.73						$148.86						$191.54						$156.74

The material in the above performance graph is not soliciting material, is not deemed filed with the SEC and is not incorporated by reference in any filing of the Company under the Securities Act or the Exchange Act, whether made on, before or after the date of this filing and irrespective of any general incorporation language in such filing.

Stock repurchase program

During the three months and year ended December 31, 2022, we had one outstanding stock repurchase program, under which the repurchasing activity was as follows:

						Total number of shares purchased						Average price paid per share**(1)**						Total number of shares purchased as part of publicly announced program						Maximum dollar value that may yet be purchased under the program**(2)**
October 1 - October 31						—												—						$	6,979,263,848
November 1 - November 30						—												—						$	6,979,263,848
December 1 - December 31						—												—						$	6,979,263,848
						—												—
January 1 - December 31(3)						26,147,900						$	241.32					26,147,900

(1)Average price paid per share includes related expenses.

(2)In October 2022, our Board of Directors increased the amount authorized under the stock repurchase program by an additional $2.4 billion.

(3)Includes the impact of ASR agreements entered into with third-party financial institutions under which a total of 24,784,400 shares of common stock were delivered at an average price of approximately $242.09 per share.

Dividends

For the years ended December 31, 2022 and 2021, we paid quarterly dividends. We expect to continue to pay quarterly dividends, although the amount and timing of any future dividends are subject to approval by our Board of Directors. Additional information required by this item is incorporated herein by reference to Part IV—Note 16, Stockholders’ equity, to the Consolidated Financial Statements.

Securities Authorized for Issuance Under Existing Equity Compensation Plans

Information about securities authorized for issuance under existing equity compensation plans is incorporated by reference from Part III, Item 12—Securities Authorized for Issuance Under Existing Equity Compensation Plans.

The following MD&A is intended to assist the reader in understanding Amgen’s business. MD&A is provided as a supplement to, and should be read in conjunction with, our consolidated financial statements and accompanying notes. Our results of operations discussed in MD&A are presented in conformity with GAAP. Amgen operates in one business segment: human therapeutics. Therefore, our results of operations are discussed on a consolidated basis.

Forward-looking statements

This report and other documents we file with the SEC contain forward-looking statements that are based on current expectations, estimates, forecasts and projections about us, our future performance, our business, our beliefs and our management’s assumptions. In addition, we, or others on our behalf, may make forward-looking statements in press releases, written statements or our communications and discussions with investors and analysts in the normal course of business through meetings, webcasts, phone calls and conference calls. Such words as “expect,” “anticipate,” “outlook,” “could,” “target,” “project,” “intend,” “plan,” “believe,” “seek,” “estimate,” “should,” “may,” “assume” and “continue” as well as variations of such words and similar expressions are intended to identify such forward-looking statements. These statements are not guarantees of future performance and they involve certain risks, uncertainties and assumptions that are difficult to predict. We describe our respective risks, uncertainties and assumptions that could affect the outcome or results of operations in Part I, Item 1A. Risk Factors. We have based our forward-looking statements on our management’s beliefs and assumptions based on information available to our management at the time the statements are made. We caution you that actual outcomes and results may differ materially from what is expressed, implied or forecasted by our forward-looking statements. Reference is made in particular to forward-looking statements regarding product sales, regulatory activities, clinical trial results, reimbursement, expenses, EPS, liquidity and capital resources, trends, planned dividends, stock repurchases, collaborations and effects of pandemics. Except as required under the federal securities laws and the rules and regulations of the SEC, we do not have any intention or obligation to update publicly any forward-looking statements after the distribution of this report, whether as a result of new information, future events, changes in assumptions or otherwise.

Overview

Amgen is a biotechnology company committed to unlocking the potential of biology for patients suffering from serious illnesses. A biotechnology pioneer since 1980, Amgen has grown to be one of the world’s leading independent biotechnology companies, has reached millions of patients around the world and is developing a pipeline of medicines with breakaway potential.

Our principal products are ENBREL, Prolia, Otezla, XGEVA, Aranesp, Nplate, Repatha, KYPROLIS, Neulasta and EVENITY. We also market a number of other products, including MVASI, Vectibix, BLINCYTO, EPOGEN, AMGEVITA, Aimovig, Parsabiv, KANJINTI, LUMAKRAS/LUMYKRAS, TEZSPIRE, NEUPOGEN, Sensipar/Mimpara and TAVNEOS. For additional information about our products, see Part I, Item 1. Business—Marketing, Distribution and Selected Marketed Products.

Our strategy includes integrated activities intended to strengthen our competitive position in the industry. We operate in six commercial areas: inflammation, oncology/hematology, bone health, cardiovascular (CV) disease, nephrology and neuroscience. We conduct discovery research primarily in three therapeutic areas: inflammation, oncology/hematology and general medicine. In 2022, we advanced our innovative pipeline, grew our international business, completed a strategic transaction to augment our marketed product portfolio, announced our intention to acquire Horizon and continued providing uninterrupted supplies of our medicines globally through the third year of the COVID-19 pandemic. We accomplished these objectives while maintaining a strategic and disciplined approach to capital allocation and advancing our ESG efforts.

In 2022, we continued to advance our pipeline, initiating phase 3 clinical trials for a number of programs, including LUMAKRAS/LUMYKRAS for advanced colorectal cancer, olpasiran for CV disease and rocatinlimab for atopic dermatitis. We continued to grow our international business, including achieving key regulatory approvals for TEZSPIRE in the EU and Japan. Our external business development activities for 2022 included the acquisition of ChemoCentryx, adding recently launched TAVNEOS to our inflammation portfolio. We also continued to advance our biosimilar program, with launches in new markets. Our biosimilars are expected to continue launching in new markets throughout 2023, including the U.S. launch of AMJEVITA in January 2023.

During 2022, while gradually recovering from the global pandemic and facing increased competition from biosimilars and generics, total product sales increased 2%, primarily driven by volume growth for certain brands, partially offset by declines in net selling prices of certain products and unfavorable changes to foreign currency exchange rates. Product sales increased 3% in the United States, primarily driven by volume growth, partially offset by declines in net selling prices, and increased 1% in ROW, primarily driven by volume growth, partially offset by unfavorable changes to foreign currency exchange rates and declines in net selling prices. Total operating expenses decreased 9% due to both the acquired IPR&D write-off from the Five Prime acquisition and a licensing-related upfront payment to KKC in 2021, partially offset by a loss on a nonstrategic divestiture in 2022.

Cash flows from operating activities totaled $9.7 billion, which supported investment in our business while returning capital to shareholders through the payment of cash dividends and stock repurchases. For 2022, we increased our quarterly cash dividend by 10% to $1.94 per share of common stock. In December 2022, we declared a cash dividend of $2.13 per share of common stock for the first quarter of 2023, an increase of 10% for this period, to be paid in March 2023. We also repurchased 26.1 million shares of our common stock during 2022 at an aggregate cost of $6.3 billion. In 2022, we received net proceeds from the issuance of debt of $6.9 billion and extinguished $0.3 billion of debt. In December 2022, in connection with the proposed acquisition of Horizon, we entered into a bridge credit agreement and a term loan credit agreement which provide for borrowings in the aggregate of $28.5 billion.

Amgen’s approach to and investment in human capital resource management is directed at attracting, motivating, developing and retaining talent to tackle the challenges of running an enterprise focused on the discovery, development and commercialization of innovative medicines. Our compensation, benefits and development programs are designed to encourage performance, promote accountability and adherence to Company values, and align with the interests of the Company’s shareholders. Further, we believe that a diverse and inclusive culture fosters innovation, which supports our ability to serve patients. We are engaging in activities and setting goals to improve our focus on diversity, inclusion and belonging. For further information on these and other efforts, see Part I, Item 1. Business—Human Capital Resources.

We have a long-standing ambition to be environmentally responsible, and we regularly set targets to challenge ourselves to deliver further improvements. We achieved our targets for the 2013–2020 period while growing revenues, increasing production capacity and expanding to approximately 100 countries over the same period. To continue on our path to greater environmental sustainability, in January 2021 we announced a new set of long-

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We are exposed to market risks that may result from changes in interest rates, foreign currency exchange rates and prices of equity instruments as well as changes in general economic conditions in the countries where we conduct business. To reduce certain of these risks, we enter into various types of foreign currency and interest rate derivative hedging transactions as part of our risk management program. We do not use derivatives for speculative trading purposes.

In the discussion that follows, we assumed a hypothetical change in interest rates of 100 basis points from those as of December 31, 2022 and 2021. Except as noted below, we also assumed a hypothetical 20% change in foreign currency exchange rates against the U.S. dollar based on its position relative to other currencies as of December 31, 2022 and 2021.

Interest-rate-sensitive financial instruments

Our portfolio of available-for-sale investments as of December 31, 2022 and 2021, was composed almost entirely of U.S. Treasury securities and money market mutual funds. The fair values of our available-for-sale investments were $4.3 billion and $7.3 billion as of December 31, 2022 and 2021, respectively. Duration is a sensitivity measure that can be used to approximate the change in the value of a security that will result from a 100 basis point change in interest rates. Applying a duration model, a hypothetical 100 basis point increase in interest rates as of December 31, 2022 and 2021, would not have resulted in a material reduction in the fair values of these securities. In addition, a hypothetical 100 basis point decrease in interest rates as of December 31, 2022 and 2021, would not result in a material effect on income in the respective ensuing year.

As of December 31, 2022, we had outstanding debt with a carrying value of $38.9 billion and a fair value of $35.0 billion. As of December 31, 2021, we had outstanding debt with a carrying value of $33.3 billion and a fair value of $37.9 billion. Our outstanding debt was composed of debt with fixed interest rates. Changes in interest rates do not affect interest expense on fixed-rate debt. Changes in interest rates would, however, affect the fair values of fixed-rate debt. A hypothetical 100 basis point decrease in interest rates relative to interest rates as of December 31, 2022 and 2021, would have resulted in an increase of $3.5 billion and $4.5 billion, respectively, in the aggregate fair value of our outstanding debt on these dates. Analysis of the debt does not consider the impact that hypothetical changes in interest rates would have on related interest rate swap contracts and cross-currency swap contracts, discussed below.

To achieve a desired mix of fixed-rate and floating-rate debt, we entered into interest rate swap contracts that qualified and were designated for accounting purposes as fair value hedges for certain of our fixed-rate debt. These interest rate swap contracts effectively converted a fixed-rate interest coupon to a floating-rate LIBOR-based coupon over the life of the respective notes. Interest rate swap contracts with aggregate notional amounts of $6.7 billion were outstanding as of both December 31, 2022 and 2021. A hypothetical 100 basis point increase in interest rates relative to interest rates as of December 31, 2022 and 2021, would have resulted in reductions in fair values of approximately $210 million and $330 million, respectively, on our interest rate swap contracts on these dates. Analysis of the interest rate swap contracts does not consider the impact that hypothetical changes in interest rates would have on the related fair values of debt that these interest-rate-sensitive instruments were designed to offset.

In connection with the anticipated issuance of long-term fixed-rate debt, we occasionally enter into forward interest rate contracts, which are designated as cash flow hedges, in order to hedge the variability in cash flows due to changes in the applicable U.S. Treasury rate between the time we enter into these contracts and the time the related debt is issued. As of December 31, 2022, we had forward interest rate contracts outstanding with an aggregate notional amount of $700 million; there were no outstanding forward interest rate contracts as of December 31, 2021. A hypothetical 100 basis point decrease in interest rates relative to interest rates as of December 31, 2022 would have resulted in a reduction in fair value of approximately $60 million on our forward interest rate contracts on this date.

As of both December 31, 2022 and 2021, we had outstanding cross-currency swap contracts with aggregate notional amount of $3.4 billion that hedge our foreign-currency-denominated debt and related interest payments. These contracts effectively convert interest payments and principal repayment of this debt to U.S. dollars from euros, pounds sterling and Swiss francs and are designated for accounting purposes as cash flow hedges. A hypothetical 100 basis point adverse movement in interest rates relative to interest rates as of December 31, 2022 and 2021, would have resulted in reductions in the fair values of our cross-currency swap contracts of approximately $90 million and $170 million, respectively.

Foreign-currency-sensitive financial instruments

Our international operations are affected by fluctuations in the value of the U.S. dollar compared with foreign currencies, predominantly the euro. Increases and decreases in our international product sales from movements in foreign currency exchange rates are partially offset by corresponding increases or decreases in our international operating expenses. Increases and decreases in our foreign-currency-denominated assets from movements in foreign currency exchange rates are partially offset by corresponding increases or decreases in our foreign-currency-denominated liabilities. To further reduce our net exposure to foreign currency exchange rate fluctuations on our results of operations, we enter into foreign currency forward and cross-currency swap contracts.

As of December 31, 2022, we had outstanding euro-, pound-sterling- and Swiss-franc-denominated debt with a principal carrying value and a fair value of $3.0 billion and $2.9 billion, respectively. As of December 31, 2021, we had outstanding euro-, pound-sterling- and Swiss-franc-denominated debt with a principal carrying value and a fair value of $3.2 billion and $3.6 billion, respectively. A hypothetical 20% adverse movement in foreign currency exchange rates compared with the U.S. dollar relative to exchange rates as of December 31, 2022, would have resulted in an increase in fair value of this debt of approximately $580 million on this date and a reduction in income in the ensuing year of approximately $600 million. A hypothetical 20% adverse movement in foreign currency exchange rates compared with the U.S. dollar relative to exchange rates as of December 31, 2021, would have resulted in an increase in fair value of this debt of $710 million on this date and a reduction in income in the ensuing year of $640 million. The impact on income from these hypothetical changes in foreign currency exchange rates would be substantially offset by the impact such changes would have on related cross-currency swap contracts, which are in place for the related foreign-currency-denominated debt.

We have cross-currency swap contracts that are designated as cash flow hedges of our debt denominated in euros, pounds sterling and Swiss francs, with aggregate notional amount of $3.4 billion as of both December 31, 2022 and 2021. A hypothetical 20% adverse movement in foreign currency exchange rates compared with the U.S. dollar relative to exchange rates on these dates would have resulted in reductions in the fair values of these contracts of approximately $540 million and $700 million on these dates, respectively. The impact of this hypothetical adverse movement in foreign currency exchange rates on ensuing years’ income from these contracts would be fully offset by corresponding hypothetical changes in the carrying amounts of the related hedged debt.

We enter into foreign currency forward contracts that are designated for accounting purposes as cash flow hedges of certain anticipated foreign currency transactions. As of December 31, 2022, the fair values of these contracts were a $288 million asset and a $76 million liability. As of December 31, 2021, the fair values of these contracts were a $183 million asset and a $39 million liability. As of December 31, 2022, we had primarily euro-based open foreign currency forward contracts with notional amounts of $6.0 billion. As of December 31, 2021, we had primarily euro-based open foreign currency forward contracts with notional amounts of $5.7 billion. With regard to foreign currency forward contracts that were open as of December 31, 2022, a hypothetical 20% adverse movement in foreign currency exchange rates compared with the U.S. dollar relative to exchange rates as of December 31, 2022, would have resulted in a reduction in fair value of these contracts of approximately $1.1 billion on this date and in the ensuing year, a reduction in income of approximately $590 million. With regard to contracts that were open as of December 31, 2021, a hypothetical 20% adverse movement in foreign currency exchange rates compared with the U.S. dollar relative to exchange rates as of December 31, 2021, would have resulted in a reduction in fair value of these contracts of approximately $1.1 billion on this date and in the ensuing year, a reduction in income of $390 million. The analysis does not consider the impact that hypothetical changes in foreign currency exchange rates would have on anticipated transactions that these foreign-currency-sensitive instruments were designed to offset.

As of December 31, 2022 and 2021, we had open, short-duration, foreign currency forward contracts that mature in one month or less, that had notional amounts of $0.5 billion and $0.7 billion, respectively, and that hedged fluctuations of certain assets and liabilities denominated in foreign currencies but were not designated as hedges for accounting purposes. These contracts had no material net unrealized gains or losses as of December 31, 2022 and 2021. With regard to these foreign currency forward contracts that were open as of December 31, 2022 and 2021, a hypothetical 5% adverse movement in foreign currency exchange rates compared with the U.S. dollar relative to exchange rates on these dates would not have a material effect on the fair values of these contracts or related income in the respective ensuing years. The analysis does not consider the impact that hypothetical changes in foreign currency exchange rates would have on assets and liabilities that these foreign-currency-sensitive instruments were designed to offset.

Market-price-sensitive financial instruments

As of December 31, 2022 and 2021, we were exposed to price risk on equity securities included in our portfolio of investments, which were acquired primarily for the promotion of business and strategic objectives. These investments include publicly and privately held small-capitalization stocks, limited partnerships that invest in early-stage biotechnology companies

and our investment in BeiGene. A 20% decrease in the aggregate value of our equity investment portfolio as of December 31, 2022 and 2021, would result in losses in fair value of approximately $1.1 billion and $1.4 billion, respectively.

Counterparty credit risks

Our financial instruments, including derivatives, are subject to counterparty credit risk, which we consider as part of the overall fair value measurement. Our financial risk management policy limits derivative transactions by requiring that transactions be made only with institutions with minimum credit ratings of A– or equivalent by S&P, Moody’s or Fitch; and it places exposure limits on the amount with any individual counterparty. In addition, we have an investment policy that limits investments to certain types of debt and money market instruments issued by institutions with investment-grade credit ratings and places restriction on maturities and concentrations by asset class and issuer.

The information required by this item is incorporated herein by reference to the financial statements and schedule listed in Item 15(a)1 and (a)2 of Part IV and included in this Annual Report on Form 10-K.

None.

We maintain “disclosure controls and procedures,” as such term is defined under the Securities Exchange Act Rule 13a-15(e), that are designed to ensure that information required to be disclosed in Amgen’s Exchange Act reports is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms and that such information is accumulated and communicated to Amgen’s management, including its Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosures. In designing and evaluating the disclosure controls and procedures, Amgen’s management recognized that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives, and in reaching a reasonable level of assurance, Amgen’s management necessarily was required to apply its judgment in evaluating the cost-benefit relationship of possible controls and procedures. We have carried out an evaluation under the supervision and with the participation of our management, including Amgen’s Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of Amgen’s disclosure controls and procedures. Based upon their evaluation and subject to the foregoing, the Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of December 31, 2022.

Management determined that as of December 31, 2022, there were no changes in our internal control over financial reporting that occurred during the fiscal quarter then ended that have materially affected or are reasonably likely to materially affect our internal control over financial reporting.

Management’s Report on Internal Control over Financial Reporting

Management of the Company is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Rule 13a-15(f) under the Securities Exchange Act of 1934. The Company’s internal control over financial reporting is designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with GAAP in the United States. However, all internal control systems, no matter how well designed, have inherent limitations. Therefore, even those systems determined to be effective can provide only reasonable assurance with respect to financial statement preparation and reporting.

Management assessed the effectiveness of the Company’s internal control over financial reporting as of December 31, 2022. In making this assessment, management used the criteria set forth by the COSO in Internal Control—Integrated Framework (2013 framework). Based on our assessment, management believes that the Company maintained effective internal control over financial reporting as of December 31, 2022, based on the COSO criteria.

The effectiveness of the Company’s internal control over financial reporting has been audited by Ernst & Young LLP, an independent registered public accounting firm, as stated in their attestation report appearing below, which expresses an unqualified opinion on the effectiveness of the Company’s internal control over financial reporting as of December 31, 2022.

Report of Independent Registered Public Accounting Firm

To the Stockholders and the Board of Directors of Amgen Inc.

Opinion on Internal Control Over Financial Reporting

We have audited Amgen Inc.’s internal control over financial reporting as of December 31, 2022, 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, Amgen Inc. (the Company) maintained, in all material respects, effective internal control over financial reporting as of December 31, 2022, 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, 2022 and 2021, the related consolidated statements of income, comprehensive income, stockholders’ equity and cash flows for each of the three years in the period ended December 31, 2022, and the related notes and the financial statement schedule listed in the Index at Item 15(a)2 and our report dated February 9, 2023 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 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.

/s/ Ernst & Young LLP

Los Angeles, California

February 9, 2023

Not applicable.

PART III

Information about our Directors is incorporated by reference from the section entitled ITEM 1—ELECTION OF DIRECTORS in our Proxy Statement for the 2023 Annual Meeting of Stockholders to be filed with the SEC within 120 days of December 31, 2022 (the Proxy Statement). Information about the procedures by which stockholders may recommend nominees for the Board of Directors is incorporated by reference from APPENDIX A—AMGEN INC. BOARD OF DIRECTORS GUIDELINES FOR DIRECTOR QUALIFICATIONS AND EVALUATIONS and OTHER MATTERS—Stockholder Proposals for the 2024 Annual Meeting in our Proxy Statement. Information about our Audit Committee, members of the committee and our Audit Committee financial experts is incorporated by reference from the section entitled CORPORATE GOVERNANCE—Audit Committee in our Proxy Statement. Information about our executive officers is contained in the discussion entitled Part I, Item 1. Business—Information about our Executive Officers.

Code of Ethics

We maintain a Code of Ethics for the Chief Executive Officer and Senior Financial Officers applicable to our principal executive officer, principal financial officer, principal accounting officer or controller and other persons performing similar functions. To view this code of ethics free of charge, please visit our website at www.amgen.com. (The website address is not intended to function as a hyperlink, and the information contained in our website is not intended to be a part of this filing.) We intend to satisfy the disclosure requirements under Item 5.05 of Form 8-K regarding an amendment to or a waiver from a provision of this code of ethics, if any, by posting such information on our website as set forth above.

Information about director and executive compensation is incorporated by reference from the sections entitled COMPENSATION DISCUSSION AND ANALYSIS, EXECUTIVE COMPENSATION TABLES, DIRECTOR COMPENSATION and CORPORATE GOVERNANCE—Pay Ratio in our Proxy Statement. Information about compensation committee matters is incorporated by reference from the sections entitled CORPORATE GOVERNANCE—Compensation and Management Development Committee and CORPORATE GOVERNANCE—Compensation Committee Report in our Proxy Statement.

Securities Authorized for Issuance Under Existing Equity Compensation Plans

The following table sets forth certain information as of December 31, 2022, concerning the shares of our common stock that may be issued under any form of award granted under our equity compensation plans in effect as of December 31, 2022 (including upon the exercise of options, upon the vesting of awards of RSUs or when performance units are earned and related dividend equivalents have been granted).

						(a)						(b)						(c)
Plan category						Number of securities to be issued upon exercise of outstanding options and rights						Weighted-average exercise price of outstanding options and rights						Number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in column (a))
Equity compensation plans approved by Amgen security holders:
Amended and Restated 2009 Equity Incentive Plan(1)						10,235,620						$	207.29					15,255,297
Amended and Restated 1991 Equity Incentive Plan(2)						2,191
Amended and Restated Employee Stock Purchase Plan																		4,180,287
Total approved plans						10,237,811						207.29						19,435,584
Equity compensation plan not approved by Amgen security holders:
Amgen Profit Sharing Plan for Employees in Ireland(3)																		222,310
Total unapproved plans						—						—						222,310
Total all plans						10,237,811						$	207.29					19,657,894

(1)The Amended 2009 Plan employs a fungible share-counting formula for determining the number of shares available for issuance under the plan. In accordance with this formula, each option or stock appreciation right counts as one share, while each RSU, performance unit or dividend equivalent counts as 1.9 shares. The number under column (a) represents the actual number of shares issuable under our outstanding awards without giving effect to the fungible share-counting formula. The number under column (c) represents the number of shares available for issuance under this plan based on each such available share counting as one share. Commencing with the grants made in April 2012, RSUs and performance units accrue dividend equivalents that are payable in shares only to the extent and when the underlying RSUs vest or underlying performance units have been earned and the related shares are issued to the grantee. The performance units granted under this plan are earned based on the accomplishment of specified performance goals at the end of their respective three-year performance periods; the number of performance units granted represent target performance, and the maximum number of units that could be earned based on our performance is 200% of the performance units granted in 2020, 2021 and 2022.

As of December 31, 2022, the number of outstanding awards under column (a) includes (i) 5,322,407 shares issuable upon the exercise of outstanding options with a weighted-average exercise price of $207.29; (ii) 3,173,806 shares issuable upon the vesting of outstanding RSUs (including 307,825 related dividend equivalents); and (iii) 1,739,407 shares subject to outstanding 2020, 2021 and 2022 performance units (including 84,603 related dividend equivalents). The weighted-average exercise price shown in column (b) is for the outstanding options only. The number of available shares under column (c) represents the number of shares that remain available for future issuance under this plan as of December 31, 2022, employing the fungible share formula and presumes the issuance of target shares under the performance units granted in 2020, 2021 and 2022 and related dividend equivalents. The numbers under columns (a) and (c) do not give effect to the additional shares that could be issuable in the event above target performance on the performance goals under these outstanding performance units is achieved. Maximum performance under these goals could result in 200% of target shares being awarded for performance units granted in 2020, 2021 and 2022.

(2)This plan has terminated as to future grants. The number under column (a) with respect to this plan includes 2,191 shares issuable upon the settlement of deferred RSUs (including 519 related dividend equivalents).

(3)The Profit Sharing Plan was approved by the Board of Directors on July 28, 2011. The Profit Sharing Plan permits eligible employees of the Company’s subsidiaries located in Ireland who participate in the Profit Sharing Plan to apply a portion of their qualifying bonus and salary to the purchase of the Company’s common stock on the open market at the market price by a third-party trustee as described in the Profit Sharing Plan.

Security Ownership of Directors and Executive Officers and Certain Beneficial Owners

Information about security ownership of certain beneficial owners and management is incorporated by reference from the sections entitled SECURITY OWNERSHIP OF DIRECTORS AND EXECUTIVE OFFICERS and SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS in our Proxy Statement.

Information about certain relationships and related transactions and director independence is incorporated by reference from the sections entitled CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS and CORPORATE GOVERNANCE—Director Independence in our Proxy Statement.

Information about the fees for professional services rendered by our independent registered public accountants is incorporated by reference from the section entitled AUDIT MATTERS—Independent Registered Public Accountants in our Proxy Statement.

PART IV

*(a)1.*Index to Financial Statements

The following Consolidated Financial Statements are included herein:

			Page number
Report of Independent Registered Public Accounting Firm (PCAOB ID: 42)			F-1
Consolidated Statements of Income for each of the three years in the period ended December 31, 2022			F-4
Consolidated Statements of Comprehensive Income for each of the three years in the period ended December 31, 2022			F-5
Consolidated Balance Sheets as of December 31, 2022 and 2021			F-6
Consolidated Statements of Stockholders’ Equity for each of the three years in the period ended December 31, 2022			F-7
Consolidated Statements of Cash Flows for each of the three years in the period ended December 31, 2022			F-8
Notes to Consolidated Financial Statements			F-9

*(a)2.*Index to Financial Statement Schedules

The following Schedule is filed as part of this Annual Report on Form 10-K:

			Page number
Schedule II. Valuation and Qualifying Accounts			F-55

All other schedules are omitted because they are not applicable, not required or because the required information is included in the consolidated financial statements or notes thereto.

*(a)3.*Exhibits

Exhibit No.						Description
2.1						Asset Purchase Agreement, dated August 25, 2019, by and between Amgen Inc. and Celgene Corporation. (Filed as an exhibit to Form 8-K on August 26, 2019 and incorporated herein by reference.)
2.1.1						Amendment No. 1 to the Asset Purchase Agreement, dated October 17, 2019, by and between Amgen Inc. and Celgene Corporation. (Filed as an exhibit to Form 8-K on October 17, 2019 and incorporated herein by reference.)
2.1.2						Amendment No. 2 to the Asset Purchase Agreement, dated October 17, 2019, by and between Amgen Inc. and Celgene Corporation. (Filed as an exhibit to Form 10-K for the year ended December 31, 2019 on February 12, 2020 and incorporated herein by reference.)
2.2						Letter Agreement, dated November 21, 2019, by and between Amgen Inc. and the parties named therein re: Treatment of Certain Product Inventory in connection with Amgen’s acquisition of Otezla (Filed as an exhibit to Form 10-K for the year ended December 31, 2019 on February 12, 2020 and incorporated herein by reference.)
2.3						Irrevocable Guarantee, dated August 25, 2019, by and between Amgen Inc. and Bristol-Myers Squibb Company. (Filed as an exhibit to Form 8-K on August 26, 2019 and incorporated herein by reference.)
2.4						Agreement and Plan of Merger, dated July 27, 2021, by and among Amgen Inc., Teneobio, Inc., Tuxedo Merger Sub, Inc., and Fortis Advisors LLC. (portions of the exhibit have been omitted because they are both (i) not material and (ii) is the type of information that the Company treats as private or confidential)(Filed as an exhibit to Form 10-Q for the quarter ended September 30, 2021 on November 3, 2021 and incorporated herein by reference.)

Exhibit No.						Description
2.5						Agreement and Plan of Merger, dated as of August 3, 2022, among ChemoCentryx, Inc., Amgen Inc. and Carnation Merger Sub, Inc. (Filed as an exhibit to Form 8-K on August 4, 2022 and incorporated herein by reference.)
2.6						Transaction Agreement, dated as of December 11, 2022, by and among Amgen Inc., Pillartree Limited and Horizon Therapeutics plc. (Filed as an exhibit to Form 8-K on December 12, 2022 and incorporated herein by reference.)
2.7						Appendix 3 to the Rule 2.7 Announcement, dated as of December 12, 2022 (Conditions Appendix). (Filed as an exhibit to Form 8-K on December 12, 2022 and incorporated herein by reference.)
3.1						Restated Certificate of Incorporation of Amgen Inc. (As Restated March 6, 2013.) (Filed as an exhibit to Form 10-Q for the quarter ended March 31, 2013 on May 3, 2013 and incorporated herein by reference.)
3.2						Amended and Restated Bylaws of Amgen Inc. (As Amended and Restated February 15, 2016.) (Filed as an exhibit to Form 8-K on February 17, 2016 and incorporated herein by reference.)
4.1						Form of stock certificate for the common stock, par value $.0001 of the Company. (Filed as an exhibit to Form 10-Q for the quarter ended March 31, 1997 on May 14, 1997 and incorporated herein by reference.)
4.2						Form of Indenture, dated January 1, 1992. (Filed as an exhibit to Form S-3 Registration Statement filed on December 19, 1991 and incorporated herein by reference.)
4.3						Agreement of Resignation, Appointment and Acceptance dated February 15, 2008. (Filed as an exhibit to Form 10-K for the year ended December 31, 2007 on February 28, 2008 and incorporated herein by reference.)
4.4						First Supplemental Indenture, dated February 26, 1997. (Filed as an exhibit to Form 8-K on March 14, 1997 and incorporated herein by reference.)
4.5						8-1/8% Debentures due April 1, 2097. (Filed as an exhibit to Form 8-K on April 8, 1997 and incorporated herein by reference.)
4.6						Officer’s Certificate of Amgen Inc., dated April 8, 1997, establishing a series of securities entitled “8 1/8% Debentures due April 1, 2097.” (Filed as an exhibit to Form 8-K on April 8, 1997 and incorporated herein by reference.)
4.7						Indenture, dated August 4, 2003. (Filed as an exhibit to Form S-3 Registration Statement on August 4, 2003 and incorporated herein by reference.)
4.8						Corporate Commercial Paper - Master Note between and among Amgen Inc., as Issuer, Cede & Co., as Nominee of The Depository Trust Company, and Citibank, N.A., as Paying Agent. (Filed as an exhibit to Form 10-Q for the quarter ended March 31, 1998 on May 13, 1998 and incorporated herein by reference.)
4.9						Officers’ Certificate of Amgen Inc., dated May 30, 2007, including form of the Company’s 6.375% Senior Notes due 2037. (Filed as an exhibit to Form 8-K on May 30, 2007 and incorporated herein by reference.)
4.10						Officers’ Certificate of Amgen Inc., dated May 23, 2008, including form of the Company’s 6.90% Senior Notes due 2038. (Filed as exhibit to Form 8-K on May 23, 2008 and incorporated herein by reference.)
4.11						Officers’ Certificate of Amgen Inc., dated January 16, 2009, including form of the Company’s 6.40% Senior Notes due 2039. (Filed as exhibit to Form 8-K on January 16, 2009 and incorporated herein by reference.)
4.12						Officers’ Certificate of Amgen Inc., dated March 12, 2010, including form of the Company’s 5.75% Senior Notes due 2040. (Filed as exhibit to Form 8-K on March 12, 2010 and incorporated herein by reference.)
4.13						Officers’ Certificate of Amgen Inc., dated September 16, 2010, including form of the Company’s 4.95% Senior Notes due 2041. (Filed as an exhibit to Form 8-K on September 17, 2010 and incorporated herein by reference.)
4.14						Officers’ Certificate of Amgen Inc., dated June 30, 2011, including form of the Company’s 5.65% Senior Notes due 2042. (Filed as an exhibit to Form 8-K on June 30, 2011 and incorporated herein by reference.)
4.15						Officers’ Certificate of Amgen Inc., dated November 10, 2011, including form of the Company’s 5.15% Senior Notes due 2041. (Filed as an exhibit to Form 8-K on November 10, 2011 and incorporated herein by reference.)

Exhibit No.						Description
4.16						Officers’ Certificate of Amgen Inc., dated December 5, 2011, including form of the Company’s 5.50% Senior Notes due 2026. (Filed as an exhibit to Form 8-K on December 5, 2011 and incorporated herein by reference.)
4.17						Officers’ Certificate of Amgen Inc., dated May 15, 2012, including form of the Company’s 5.375% Senior Notes due 2043. (Filed as an exhibit to Form 8-K on May 15, 2012 and incorporated herein by reference.)
4.18						Officers’ Certificate of Amgen Inc., dated September 13, 2012, including form of the Company’s 4.000% Senior Notes due 2029. (Filed as an exhibit to Form 8-K on September 13, 2012 and incorporated herein by reference.)
4.19						Indenture, dated May 22, 2014, between Amgen Inc. and The Bank of New York Mellon Trust Company, N.A., as Trustee. (Filed as an exhibit to Form 8-K on May 22, 2014 and incorporated herein by reference.)
4.20						Officers’ Certificate of Amgen Inc., dated May 22, 2014, including form of the Company’s 3.625% Senior Notes due 2024. (Filed as an exhibit to Form 8-K on May 22, 2014 and incorporated herein by reference.)
4.21						Officer’s Certificate of Amgen Inc., dated May 1, 2015, including forms of the Company’s 3.125% Senior Notes due 2025 and 4.400% Senior Notes due 2045. (Filed as an exhibit on Form 8-K on May 1, 2015 and incorporated herein by reference.)
4.22						Officer’s Certificate of Amgen Inc., dated as of February 25, 2016, including form of the Company’s 2.000% Senior Notes due 2026. (Filed as an exhibit on Form 8-K on February 26, 2016 and incorporated herein by reference.)
4.23						Form of Permanent Global Certificate for the Company’s 0.410% bonds due 2023. (Filed as an exhibit on Form 8-K on March 8, 2016 and incorporated herein by reference.)
4.24						Terms of the Bonds for the Company’s 0.410% bonds due 2023. (Filed as an exhibit on Form 8-K on March 8, 2016 and incorporated herein by reference.)
4.25						Officer’s Certificate of Amgen Inc., dated as of June 14, 2016, including forms of the Company’s 4.563% Senior Notes due 2048 and 4.663% Senior Notes due 2051. (Filed as an exhibit to Form 8-K on June 14, 2016 and incorporated herein by reference.)
4.26						Officer’s Certificate of Amgen Inc., dated as of August 19, 2016, including forms of the Company’s 2.250% Senior Notes due 2023 and 2.600% Senior Notes due 2026. (Filed as an exhibit to Form 8-K on August 19, 2016 and incorporated herein by reference.)
4.27						Officer’s Certificate of Amgen Inc., dated as of November 2, 2017, including in the form of the Company’s 3.200% Senior Notes due 2027. (Filed as an exhibit to Form 8-K on November 2, 2017 and incorporated herein by reference.)
4.28						Officer’s Certificate of Amgen Inc., dated as of February 21, 2020, including forms of the Company’s 1.900% Senior Notes due 2025, 2.200% Senior Notes due 2027, 2.450% Senior Notes due 2030, 3.150% Senior Notes due 2040 and 3.375% Senior Notes due 2050. (Filed as an exhibit to Form 8-K on February 21, 2020 and incorporated herein by reference.)
4.29						Officer’s Certificate of Amgen Inc., dated as of May 6, 2020, including form of the Company’s 2.300% Senior Notes due 2031. (Filed as an exhibit to Form 8-K on May 6, 2020 and incorporated herein by reference.)
4.30						Officer’s Certificate of Amgen Inc., dated as of August 17, 2020, including forms of the Company’s 2.770% Senior Notes due 2053. (Filed as an exhibit to Form 8-K on August 18, 2020 and incorporated herein by reference.)
4.31						Officer’s Certificate of Amgen Inc., dated as of August 9, 2021, including forms of the Company’s 1.650% Senior Notes due 2028, 2.000% Senior Notes due 2032, 2.800% Senior Notes due 2041 and 3.000% Senior Notes due 2052. (Filed as an exhibit to Form 8-K on August 9, 2021 and incorporated herein by reference.)
4.32						Officer’s Certificate of Amgen Inc., dated as of February 22, 2022, including forms of the Company’s 3.000% Senior Notes due 2029, 3.350% Senior Notes due 2032, 4.200% Senior Notes due 2052 and 4.400% Senior Notes due 2062. (Filed as an exhibit to Form 8-K on February 22, 2022 and incorporated herein by reference.)
4.33						Officer’s Certificate of Amgen Inc., dated as of August 18, 2022, including forms of the Company’s 4.050% Senior Notes due 2029, 4.200% Senior Notes due 2033 and 4.875% Senior Notes due 2053. (Filed as an exhibit to Form 8-K on August 18, 2022 and incorporated herein by reference.)

Exhibit No.						Description
4.34*						Description of Amgen Inc.’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934.
10.1+						Amgen Inc. Amended and Restated 2009 Equity Incentive Plan. (Filed as Appendix C to the Definitive Proxy Statement on Schedule 14A on April 8, 2013 and incorporated herein by reference.)
10.2+						First Amendment to Amgen Inc. Amended and Restated 2009 Equity Incentive Plan, effective March 4, 2015. (Filed as an exhibit to Form 10-Q for the quarter ended March 31, 2015 on April 27, 2015 and incorporated herein by reference.)
10.3+						Second Amendment to Amgen Inc. Amended and Restated 2009 Equity Incentive Plan, effective March 2, 2016. (Filed as an exhibit to Form 10-Q for the quarter ended March 31, 2016 on May 2, 2016 and incorporated herein by reference.)
10.4+*						Form of Grant of Stock Option Agreement for the Amgen Inc. Amended and Restated 2009 Equity Incentive Plan. (As Amended and Restated on December 12, 2022.)
10.5+*						Form of Restricted Stock Unit Agreement for the Amgen Inc. Amended and Restated 2009 Equity Incentive Plan. (As Amended and Restated on December 12, 2022.)
10.6+						Amgen Inc. 2009 Performance Award Program. (As Amended on December 12, 2017.) (Filed as an exhibit to Form 10-K for the year ended December 31, 2017 on February 13, 2018 and incorporated herein by reference.)
10.7+*						Form of Performance Unit Agreement for the Amgen Inc. 2009 Performance Award Program. (As Amended and Reinstated on December 12, 2022.)
10.8+						Amgen Inc. 2009 Director Equity Incentive Program. (As Amended and Restated on October 21, 2020.) (Filed as an exhibit to Form 10-K for the year ended December 31, 2020 on February 9, 2021 and incorporated herein by reference.)
10.9+						Form of Restricted Stock Unit Agreement for the Amgen Inc. 2009 Director Equity Incentive Program. (As Amended on December 11, 2019.) (Filed as an exhibit to Form 10-K for the year ended December 31, 2019 on February 12, 2020 and incorporated herein by reference.)
10.10+						Form of Cash-Settled Restricted Stock Unit Agreement for the Amgen 2009 Director Equity Incentive Program. (As Amended on December 11, 2019.) (Filed as an exhibit to Form 10-K for the year ended December 31, 2019 on February 12, 2020 and incorporated herein by reference.)
10.11+						Amgen Inc. Supplemental Retirement Plan. (As Amended and Restated effective October 16, 2013.) (Filed as an exhibit to Form 10-K for the year ended December 31, 2013 on February 24, 2014 and incorporated herein by reference.)
10.11.1+						First Amendment to the Amgen Inc. Supplemental Retirement Plan, effective October 14, 2016. (Filed as an exhibit to Form 10-Q for the quarter ended September 30, 2016 on October 28, 2016 and incorporated herein by reference.)
10.11.2+						Second Amendment to the Amgen Inc. Supplemental Retirement Plan, effective October 23, 2019. (Filed as an exhibit to Form 10-K for the year ended December 31, 2019 on February 12, 2020 and incorporated herein by reference.)
10.11.3+						Third Amendment to the Amgen Inc. Supplemental Retirement Plan, effective October 20, 2021. (Filed as an exhibit to Form 10-K for the year ended December 31, 2021 on February 16, 2022 and incorporated herein by reference.)
10.11.4+*						Fourth Amendment to the Amgen Inc. Supplemental Retirement Plan, effective October 20, 2022.
10.12+						Amended and Restated Amgen Change of Control Severance Plan. (As Amended and Restated effective December 9, 2010 and subsequently amended effective March 2, 2011.) (Filed as an exhibit to Form 10-Q for the quarter ended March 31, 2011 on May 10, 2011 and incorporated herein by reference.)
10.13+						Amgen Inc. Executive Incentive Plan. (As Amended and Restated effective January 1, 2022.) (Filed as an exhibit to Form 10-Q for the quarter ended March 31, 2022 on April 28, 2022 and incorporated herein by reference.)

Exhibit No.						Description
10.14+						Amgen Nonqualified Deferred Compensation Plan. (As Amended and Restated effective October 16, 2013.) (Filed as an exhibit to Form 10-K for the year ended December 31, 2013 on February 24, 2014 and incorporated herein by reference.)
10.14.1+						First Amendment to the Amgen Nonqualified Deferred Compensation Plan, effective October 14, 2016. (Filed as an exhibit to Form 10-Q for the quarter ended September 30, 2016 on October 28, 2016 and incorporated herein by reference.)
10.14.2+						Second Amendment to the Amgen Nonqualified Deferred Compensation Plan, effective January 1, 2020. (Filed as an exhibit to Form 10-K for the year ended December 31, 2019 on February 12, 2020 and incorporated herein by reference.)
10.14.3+						Third Amendment to the Amgen Nonqualified Deferred Compensation Plan, effective January 1, 2022. (Filed as an exhibit to Form 10-K for the year ended December 31, 2021 on February 16, 2022 and incorporated herein by reference.)
10.15+						Aircraft Time Sharing Agreement, dated December 3, 2021, by and between Amgen Inc. and Robert A. Bradway. (Filed as an exhibit to Form 10-K for the year ended December 31, 2021 on February 16, 2022 and incorporated herein by reference.)
10.16						Second Amended and Restated Credit Agreement, dated December 12, 2019, among Amgen Inc., the Banks therein named, Citibank, N.A., as administrative agent, and JPMorgan Chase Bank, N.A., as syndication agent. (Filed as an exhibit to Form 8-K on December 12, 2019 and incorporated herein by reference.)
10.16.1*						Amendment No. 1 to the Second Amended and Restated Credit Agreement, dated as of December 29, 2022, between Amgen Inc. and Citibank, N.A., as the Administrative Agent and an Issuing Bank.
10.17						Bridge Credit Agreement, dated as of December 12, 2022, by and among Amgen Inc., Citibank, N.A., as administrative agent, Bank of America, N.A., as syndication agent, Citibank, N.A. and Bank of America, N.A., as lead arrangers and book runners, and the other banks party thereto. (Filed as an exhibit to Form 8-K on December 12, 2022 and incorporated herein by reference.)
10.18						Term Loan Credit Agreement, dated as of December 22, 2022, by and among Amgen Inc., Citibank, N.A., as administrative agent, Bank of America, N.A., as syndication agent, Citibank, N.A., Bank of America, N.A., Goldman Sachs Bank USA and Mizuho Bank, Ltd., as lead arrangers and book runners, Goldman Sachs Bank USA and Mizuho Bank, Ltd. as documentation agents, and the other banks party thereto. (Filed as an exhibit to Form 8-K on December 22, 2022 and incorporated herein by reference.)
10.19						Collaboration and License Agreement between Amgen Inc. and Celltech R&D Limited dated May 10, 2002 (portions of the exhibit have been omitted pursuant to a request for confidential treatment) and Amendment No. 1, effective June 9, 2003, to Collaboration and License Agreement between Amgen Inc. and Celltech R&D Limited (portions of the exhibit have been omitted pursuant to a request for confidential treatment). (Filed as an exhibit to Form 10-K/A for the year ended December 31, 2012 on July 31, 2013 and incorporated herein by reference.)
10.19.1						Amendment No. 2 to Collaboration and License Agreement, effective November 14, 2016, between Amgen Inc. and Celltech R&D Limited (portions of the exhibit have been omitted pursuant to a request for confidential treatment). (Filed as an exhibit to Form 10-K for the year ended December 31, 2016 on February 14, 2017 and incorporated herein by reference.)
10.20						Letter Agreement, dated June 25, 2019, by and between Amgen Inc. and UCB Celltech (portions of the exhibit have been omitted because they are both (i) not material and (ii) would be competitively harmful if publicly disclosed). (Filed as an exhibit to Form 10-Q for the quarter ended June 30, 2019 on July 31, 2019 and incorporated herein by reference.)
10.21						Collaboration Agreement, dated October 31, 2019, by and between Amgen Inc. and BeiGene Switzerland GmbH, a wholly-owned subsidiary of BeiGene, Ltd. (portions of the exhibit have been omitted because they are both (i) not material and (ii) would be competitively harmful if publicly disclosed). (Filed as an exhibit to Form 10-K for the year ended December 31, 2019 on February 12, 2020 and incorporated herein by reference.)
10.21.1						First Amendment to Collaboration Agreement, dated April 20, 2022, by and between Amgen Inc. and BeiGene Switzerland GmbH, and BeiGene, Ltd. (portions of the exhibit have been omitted because they are both (i) not material and (ii) is the type of information that the Company treats as private or confidential.) (Filed as an exhibit to Form 10-Q for the quarter ended June 30, 2022 on August 5, 2022 and incorporated herein by reference.)

Exhibit No.						Description
10.22						Guarantee, dated as of October 31, 2019, made by and among BeiGene, Ltd. and Amgen Inc. (Filed as an exhibit to Form 10-K for the year ended December 31, 2019 on February 12, 2020 and incorporated herein by reference.)
10.23						Share Purchase Agreement, dated October 31, 2019, by and between Amgen Inc. and BeiGene, Ltd. (portions of the exhibit have been omitted because they are both (i) not material and (ii) would be competitively harmful if publicly disclosed). (Filed as an exhibit to Schedule 13D on January 8, 2020 and incorporated herein by reference.)
10.23.1						Amendment No. 1 to Share Purchase Agreement, dated December 6, 2019, by and among BeiGene, Ltd. and Amgen Inc. (Filed as an exhibit to Schedule 13D on January 8, 2020 and incorporated herein by reference.)
10.23.2						Restated Amendment No. 2 to Share Purchase Agreement, dated September 24, 2020, by and among BeiGene, Ltd. and Amgen Inc. (Filed as an exhibit to Form 10-Q for the quarter ended September 30, 2020 on October 29, 2020 and incorporated herein by reference.)
10.24						Collaboration Agreement dated March 30, 2012 by and between Amgen Inc. and AstraZeneca Collaboration Ventures, LLC, a wholly owned subsidiary of AstraZeneca Pharmaceuticals LP (portions of the exhibit have been omitted because they are both (i) not material and (ii) is the type of information that the Company treats as private or confidential.) (Filed as an exhibit to Form 10-Q for the quarter ended June 30, 2022 on August 5, 2022 and incorporated herein by reference.)
10.24.1						Amendment No. 1 to the Collaboration Agreement, dated October 1, 2014, by and among Amgen Inc., AstraZeneca Collaboration Ventures, LLC and AstraZeneca Pharmaceuticals LP (portions of the exhibit have been omitted because they are both (i) not material and (ii) is the type of information that the Company treats as private or confidential.) (Filed as an exhibit to Form 10-Q for the quarter ended June 30, 2022 on August 5, 2022 and incorporated herein by reference.)
10.24.2						Amendment Nos. 2 through 6 to the March 30, 2012 Collaboration Agreement between Amgen Inc. and AstraZeneca Collaboration Ventures, LLC, dated May 2 and 27 and October 2, 2016, January 31, 2018, and May 15, 2020, respectively (portions of the exhibit have been omitted because they are both (i) not material and (ii) would be competitively harmful if publicly disclosed.) (Filed as an exhibit to Form 10-Q for the quarter ended June 30, 2020 on July 29, 2020 and incorporated herein by reference.)
10.24.3						Amendment No. 7 to the Collaboration Agreement, dated December 17, 2020, by and between Amgen Inc. and AstraZeneca Collaboration Ventures, LLC (portions of the exhibit have been omitted because they are both (i) not material and (ii) would be competitively harmful if publicly disclosed.) (Filed as an exhibit to Form 10-K for the year ended December 31, 2020 on February 9, 2021 and incorporated herein by reference.)
10.24.4						Amendment No. 8 to the Collaboration Agreement, dated November 19, 2021, by and between Amgen Inc. and AstraZeneca Collaboration Ventures, LLC (portions of the exhibit have been omitted because they are both (i) not material and (ii) is the type of information that the Company treats as private or confidential.) (Filed as an exhibit to Form 10-K for the year ended December 31, 2021 on February 16, 2022 and incorporated herein by reference.)
10.25						License and Collaboration Agreement, dated June 1, 2021, by and between Amgen Inc. and Kyowa Kirin Co., Ltd. (portions of the exhibit have been omitted because they are both (i) not material and (ii) would be competitively harmful if publicly disclosed). (Filed as an exhibit to Form 10-Q for the quarter ended June 30, 2021 on August 4, 2021 and incorporated herein by reference.)
21*						Subsidiaries of the Company.
23						Consent of the Independent Registered Public Accounting Firm. The consent is set forth on page 91 of this Annual Report on the 10-K.
24						Power of Attorney. The Power of Attorney is set forth on page 92 of this Annual Report on Form 10-K.
31*						Rule 13a-14(a) Certifications.
32**						Section 1350 Certifications.
101.INS						Inline XBRL Instance Document - The instance document does not appear in the interactive data file because its XBRL tags are embedded within the Inline XBRL document.
101.SCH*						Inline XBRL Taxonomy Extension Schema Document.

Exhibit No.						Description
101.CAL*						Inline XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF*						Inline XBRL Taxonomy Extension Definition Linkbase Document.
101.LAB*						Inline XBRL Taxonomy Extension Label Linkbase Document.
101.PRE*						Inline XBRL Taxonomy Extension Presentation Linkbase Document.
104						Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).

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(* = filed herewith)

(** = furnished herewith and not “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended)

(+ = management contract or compensatory plan or arrangement)

Not applicable.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this Annual Report to be signed on its behalf by the undersigned, thereunto duly authorized.

						AMGEN INC.
						(Registrant)
Date:			February 9, 2023			By:						/s/ PETER H. GRIFFITH
												Peter H. Griffith
												Executive Vice President and Chief Financial Officer
												(Principal Financial Officer)

EXHIBIT 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the following Registration Statements:

• Registration Statement (Form S-3 No. 333-236351) of Amgen Inc.,

• Registration Statement (Form S-8 No. 333-159377) pertaining to the Amgen Inc. Amended and Restated 2009 Equity Incentive Plan,

• Registration Statement (Form S-8 No. 33-39183) pertaining to the Amgen Inc. Amended and Restated Employee Stock Purchase Plan,

• Registration Statements (Form S-8 No. 33-39104, as amended by Form S-8 Nos. 333-144581 and 333-216719) pertaining to the Amgen Retirement and Savings Plan,

• Registration Statements (Form S-8 Nos. 33-47605, 333-144580 and 333-216715) pertaining to The Retirement and Savings Plan for Amgen Manufacturing, Limited (formerly known as the Retirement and Savings Plan for Amgen Manufacturing, Inc.),

• Registration Statements (Form S-8 Nos. 333-81284, 333-177868, 333-216723 and 333-260723) pertaining to the Amgen Nonqualified Deferred Compensation Plan, and

• Registration Statement (Form S-8 Nos. 333-176240 and 333-260724) pertaining to the Amgen Profit Sharing Plan for Employees in Ireland;

of our reports dated February 9, 2023, with respect to the consolidated financial statements of Amgen Inc. and the effectiveness of internal control over financial reporting of Amgen Inc. included in this Annual Report (Form 10-K) of Amgen Inc. for the year ended December 31, 2022.

/s/ Ernst & Young LLP

Los Angeles, California

February 9, 2023

EXHIBIT 24

POWER OF ATTORNEY

KNOW ALL MEN AND WOMEN BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Robert A. Bradway, Peter H. Griffith and Jonathan P. Graham, or any of them, his or her attorney-in-fact, each with the power of substitution and re-substitution, for him or her in any and all capacities, to sign any amendments to this Report, and to file the same, with exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, hereby ratifying and confirming all that each of said attorneys-in-fact, or his or her substitute or substitutes, may do or cause to be done by virtue hereof.

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/ ROBERT A. BRADWAY						Chairman of the Board, Chief Executive Officer and President, and Director (Principal Executive Officer)						2/9/2023
Robert A. Bradway
/S/ PETER H. GRIFFITH						Executive Vice President and Chief Financial Officer (Principal Financial Officer)						2/9/2023
Peter H. Griffith
/S/ LINDA H. LOUIE						Vice President, Finance and Chief Accounting Officer (Principal Accounting Officer)						2/9/2023
Linda H. Louie
/S/ WANDA M. AUSTIN						Director						2/9/2023
Wanda M. Austin
/S/ MICHAEL V. DRAKE						Director						2/9/2023
Michael V. Drake
/S/ BRIAN J. DRUKER						Director						2/9/2023
Brian J. Druker
/S/ ROBERT A. ECKERT						Director						2/9/2023
Robert A. Eckert
/S/ GREG C. GARLAND						Director						2/9/2023
Greg C. Garland
/S/ CHARLES M. HOLLEY, JR.						Director						2/9/2023
Charles M. Holley, Jr.
/S/ S. OMAR ISHRAK						Director						2/9/2023
S. Omar Ishrak
/S/ TYLER JACKS						Director						2/9/2023
Tyler Jacks
/S/ ELLEN J. KULLMAN						Director						2/9/2023
Ellen J. Kullman
/S/ AMY E. MILES						Director						2/9/2023
Amy E. Miles
/S/ RONALD D. SUGAR						Director						2/9/2023
Ronald D. Sugar
/S/ R. SANDERS WILLIAMS						Director						2/9/2023
R. Sanders Williams

Report of Independent Registered Public Accounting Firm

To the Stockholders and the Board of Directors of Amgen Inc.

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Amgen Inc. (the Company) as of December 31, 2022 and 2021, the related consolidated statements of income, comprehensive income, stockholders’ equity and cash flows for each of the three years in the period ended December 31, 2022, and the related notes and the financial statement schedule listed in the Index at Item 15(a)2 (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company at December 31, 2022 and 2021, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2022, in conformity with U.S. generally accepted accounting principles.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company’s internal control over financial reporting as of December 31, 2022, based on criteria established in Internal Control—Integrated Framework issued by the Committ

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