Gilead in 2023 and Beyond - J.P. Morgan Healthcare Conference 9 January 2023

 
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Gilead in 2023 and Beyond - J.P. Morgan Healthcare Conference 9 January 2023
Gilead in 2023 and Beyond
J . P. M o r g a n H e a l t h c a r e C o n f e r e n c e
9 January 2023
Gilead in 2023 and Beyond - J.P. Morgan Healthcare Conference 9 January 2023
Forward-Looking Statements
    Statements included in this presentation that are not historical in nature are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Gilead
    cautions readers that forward-looking statements are subject to certain risks and uncertainties that could cause actual results to differ materially. These risks and uncertainties include those
    relating to: the impact of the COVID-19 pandemic on Gilead’s business, financial condition and results of operations; the development, manufacturing and distribution of Veklury as a
    treatment for COVID-19, including the uncertainty of the amount and timing of future Veklury sales, and Gilead’s ability to effectively manage the global supply and distribution of Veklury;
    Gilead’s ability to achieve its anticipated full year 2022 financial results, including as a result of potential adverse revenue impacts from COVID-19 and potential revenues from Veklury;
    Gilead’s ability to make progress on any of its long-term ambitions or strategic priorities laid out in its corporate strategy; Gilead’s ability to accelerate or sustain revenues for its virology,
    oncology and other programs; Gilead’s ability to realize the potential benefits of acquisitions, collaborations or licensing arrangements; Gilead’s ability to initiate, progress or complete
    clinical trials within currently anticipated timeframes or at all, the possibility of unfavorable results from ongoing and additional clinical trials and the risk that safety and efficacy data from
    clinical trials may not warrant further development of Gilead’s product candidates or the product candidates of Gilead’s strategic partners; Gilead’s ability to submit new drug applications
    for new product candidates or expanded indications in the currently anticipated timelines; Gilead’s ability to receive regulatory approvals in a timely manner or at all, and the risk that any
    such approvals may be subject to significant limitations on use; Gilead’s ability to successfully commercialize its products; the risk of potential disruptions to the manufacturing and supply
    chain of Gilead’s products, including the risk that Kite may be unable to increase its manufacturing capacity, timely manufacture and deliver its products or produce an amount of supply
    sufficient to satisfy demand for such products; pricing and reimbursement pressures from government agencies and other third parties, including required rebates and other discounts; a
    larger than anticipated shift in payer mix to more highly discounted payer segments; market share and price erosion caused by the introduction of generic versions of Gilead products; the
    risk that physicians and patients may not see advantages of these products over other therapies and may therefore be reluctant to prescribe the products; and other risks identified from
    time to time in Gilead’s reports filed with the SEC, including annual reports on Form 10-K, quarterly reports on Form 10-Q and current reports on Form 8-K. In addition, Gilead makes
    estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses and related disclosures. Gilead bases its estimates on historical experience and on
    various other market specific and other relevant assumptions that it believes to be reasonable under the circumstances, the results of which form the basis for making judgments about the
    carrying values of assets and liabilities that are not readily apparent from other sources. There may be other factors of which Gilead is not currently aware that may affect matters discussed
    in the forward-looking statements and may also cause actual results to differ significantly from these estimates. Gilead directs readers to its press releases, annual reports on Form 10-K,
    quarterly reports on Form 10-Q and other subsequent disclosure documents filed with the SEC. Gilead claims the protection of the Safe Harbor contained in the Private Securities Litigation
    Reform Act of 1995 for forward-looking statements.
    The reader is cautioned that forward-looking statements are not guarantees of future performance and is cautioned not to place undue reliance on these forward-looking statements. All
    forward-looking statements are based on information currently available to Gilead and Gilead assumes no obligation to update or supplement any such forward-looking statements other
    than as required by law. Any forward-looking statements speak only as of the date hereof or as of the dates indicated in the statements.
    Gilead owns or has rights to various trademarks, copyrights and trade names used in its business, including the following: GILEAD®, GILEAD SCIENCES®, AMBISOME®, ATRIPLA®, BIKTARVY®,
    CAYSTON®, COMPLERA®, DESCOVY®, DESCOVY FOR PREP®, EMTRIVA®, EPCLUSA®, EVIPLERA®, GENVOYA®, HARVONI®, HEPCLUDEX®, HEPSERA®, JYSELECA®, LETAIRIS®, ODEFSEY®, RANEXA®,
    SOVALDI®, STRIBILD®, SUNLENCA®,TECARTUS®, TRODELVY®, TRUVADA®, TRUVADA FOR PREP®, TYBOST®, VEKLURY®, VEMLIDY®, VIREAD®, VOSEVI®, YESCARTA® and ZYDELIG®. This report
    may also refer to trademarks, service marks and trade names of other companies.
2
Gilead in 2023 and Beyond - J.P. Morgan Healthcare Conference 9 January 2023
Gilead in 2023

                                   HIV Portfolio
      Transformation                                            Fast-Growing
                                  Positioned for
     Impact is Tangible                                       Oncology Business
                                Continued Growth

      Portfolio with quality,    Leading HIV portfolio and       Strong commercial
    depth and breadth, strong   poised to shape long-acting   performance and clinical
     financial performance,        market following first      momentum, including
    and consistent execution.     lenacapavir approvals.        recent positive data.

3
Gilead in 2023 and Beyond - J.P. Morgan Healthcare Conference 9 January 2023
Strong Progress in First Years of Transformation
       Pipeline Bolstered with                                                                  81% Increase in                                                              6 New Products with 9
       M&A and Partnerships1                                                                   Pipeline Portfolio                                                            Approved Indications,
                                                                                                                                                                            including 6 in Oncology2
                                                                                                  Oncology
                                                                                                  Virology                              58
                                                                                                  Inflammation

                                                                                                                                        36
                                                                                                      32
                                                                                                       12

                                                                                                       12                               17

                                                                                                        8                                5
                                                                                                   Q119                               Q422
                                                                                                     Illustration does not include opt-in assets

    Four-year comparison reflects the time period January 2019 – December 2022 (except as otherwise noted). Projects are by asset-indication, excluding components of combo projects (HBV Cure, HIV Cure, lenacapavir projects)
    1. Collaboration with Arcellx has been announced but not yet closed. Closing of transaction subject to regulatory clearances and other conditions. Agreement to acquire Tmunity has been announced but not yet closed. Closing of
4
    transaction subject to regulatory clearances and other conditions. 2.Approved indications reflects first approval in a major market or new indications, does not include line extensions (e.g., expanded pediatric label). Count includes
    conditional approval of Hepcludex (bulevirtide) by the European Medicines Agency in July 2020. Gilead acquired MYR / Hepcludex in December 2020.
Gilead in 2023 and Beyond - J.P. Morgan Healthcare Conference 9 January 2023
Accelerating Progress with Strategic Priorities
    Corporate Ambitions

            Bring 10+ Transformative          Be the Biotech employer    Deliver Shareholder Value in a
            Therapies to Patients by 2030     and partner of choice      Sustainable, Responsible Manner

    Key Strategic Priorities for 2023+

             Maximize Near-                 Maximize Impact of          Expand and Deliver
             Term Revenue                    Long-Acting HIV               on Oncology
                Growth                          Therapies                   Programs

5
Gilead in 2023 and Beyond - J.P. Morgan Healthcare Conference 9 January 2023
Maximize Near-Term Revenue Growth

        Maintaining HIV Leadership as Growth Continues
                                                                         • $7.5B Biktarvy Q322 YTD sales; +23% from Q321 YTD
            $12.4B                                                       • ~45% U.S. share3 for Biktarvy in Q322; up 4% YoY from Q321
             Q322 YTD HIV Revenue

                                                                         • Biktarvy extends lead as #1 in new starts & switch in U.S.4

                  2033                                                   • Biktarvy #1 in new starts in EU
        Projected U.S. Biktarvy LOE1

                                                                         • Impact of 2020 Truvada & Atripla LOEs now fully absorbed

                                                                         • First U.S. and EU approvals for lenacapavir (Sunlenca)
                  2031
         Projected U.S. Descovy LOE2                                                              Expect HIV Revenue Growth Trend Through 2030

        Note: Q322 YTD reflects Q1–Q3 2022 performance. Q321 YTD reflects Q1-Q3 2021 performance. YoY – Year-over-year growth for Q1-Q3 2022 vs Q1-Q3 2021. Biktarvy (bictegravir, emtricitabine, and tenofovir alafenamide) tablets. 1.
   6    Estimated patent expiry corresponds to the latest expiring compound patent for one of the active ingredients in the single tablet regimen. 2. In September 2022, Gilead and five generic manufacturers (Lupin Ltd., Apotex Inc., Macleods
        Pharma Ltd., Hetero Labs Ltd., and Cipla Ltd.) reached agreements to settle the patent litigation concerning patents that protect tenofovir alafenamide in our Descovy product. 3. Source: Monthly IQVIA NPA MD Regimen Market (NRTI
        Market, excl. PrEP + 2-Drug Combos). 4. IQVIA NPA MD Weekly; National data includes PAP. 4. Reflects HIV PrEP TRxs from IQVIA NPA (retail & mail order).
Gilead in 2023 and Beyond - J.P. Morgan Healthcare Conference 9 January 2023
Maximize Near-Term Revenue Growth

        Accelerating Oncology Business with >$2B Annual Run-Rate

           •       ~65% YoY1 growth                                                                                                               ~ 85% YoY1 growth
                                                               $1,040M                                                                                                                                $485M
                                                                                                                                           •
           •       96% manufacturing                                                                                                       •      Now reimbursed in
                   reliability                                 Q322 YTD SALES2                                                                    16 countries                                        Q322 YTD SALES2

               Highlights & Anticipated Milestones                                                                                             Highlights & Anticipated Milestones

               •    Successful 2L R/R LBCL launch in U.S. in 2022                                                                              • sBLA for HR+/HER2- mBC accepted for priority
                                                                                                                                                 review; with PDUFA date in 1H23
               •    New manufacturing site in Maryland and viral
                    vector production at Oceanside approved in 2022                                                                            • MAA for HR+/HER2- mBC accepted for review
               •    20+ countries with reimbursed product                                                                                      • Expect to initiate Phase 3 ASCENT-07 in endocrine-
                                                                                                                                                 resistant HR+/HER2- mBC in 2023
               •    Phase 2 ZUMA-24 in 2L LBCL outpatient interim
                    analysis in 1H23                                                                                                           • Phase 3 EVOKE-01 in NSCLC expected to be fully
                                                                                                                                                 enrolled in 1H23

        Note: Yescarta (TRx coalesce) for IV infusion, Tecartus (brexucabtagene autoleucel) for IV infusion, and Trodelvy (sacituzumab govitecan-hziy) for injection. LBCL - large B cell lymphoma. MAA – Marketing Authorization Application. mBC
   7    – metastatic breast cancer. NSCLC – non-small cell lung cancer. sBLA – Supplemental biologics license application. R/R – relapsed/refractory. 1. YoY – Year-over-year growth for Q1-Q3 2022 vs Q1-Q3 2021. 2. YTD22 reflects Q1–Q3 2022
        performance.
Gilead in 2023 and Beyond - J.P. Morgan Healthcare Conference 9 January 2023
Maximize Near-Term Revenue Growth

         Reinvesting to Maximize Impact of COVID-19 Therapies
                Today:                                                                               Coming: Initiating 2 Pivotal Trials of Oral GS-5245

                 170+                              Countries with
                                                   remdesivir access1
                                                                                                                          Standard-Risk                                                                     High-Risk

                                                                                                         ~55%               COVID patients seeking
                                                                                                                            care are standard-risk2
                                                                                                                                                                                     ~45%               COVID patients seeking
                                                                                                                                                                                                        care are high-risk2

        ~12               million                  People treated
                                                   with remdesivir1                                     • Plan to enroll non-hospitalized                                             • Enrolling non-hospitalized
                                                                                                          patients without risk factors for                                             patients at high-risk of
                                                                                                          progression to severe disease3                                                progression to hospitalization4

                                                                                                        • U.S. First Patient In (FPI)                                                 • Sites open in two countries with
                                                   U.S. hospitalized                                      expected in Q123                                                              additional expected shortly
                  ~60%                             patients treated
                                                   for COVID
                                                                                                                       Dosing: GS-5245 one tablet, twice-daily for 5 days5
             New Disclosure

       Note: GS-5245 is an investigational product and is not approved anywhere globally; its safety and efficacy have not been established. 1. Represents number of treatments of Veklury or remdesivir made available by Gilead, its distributors and
   8   voluntary licensees. 2. Estimated prevalence in the U.S. and EUCAN6; Source: Gilead Market Research, Komodo Claims Data (May-July 2022). 3. Defined as patients without underlying medical conditions associated with higher risk for severe
       COVID-19 per CDC guidelines. 4. Defined as patients with 1+ (if unvaccinated) or 2+ (if vaccinated) risk factors, such as >50 years of age, cardiovascular disease, and chronic lung disease. 5. 350mg tablet twice-daily, no booster required.
Gilead in 2023 and Beyond - J.P. Morgan Healthcare Conference 9 January 2023
Maximize Impact of Long-Acting HIV Therapies

         Lenacapavir: Foundation of HIV Long-Acting Portfolio
        2022

         Approved for Heavily                                                                Prevention Pivotal Trials:                                                   Multiple Studies Ongoing
         Treatment-Experienced                                                               PURPOSE-1 and PURPOSE-2                                                      for Treatment
         ~1-2% of People Living with HIV

                                                                                              • Lenacapavir under                                                         • 10 potential partner agents
                                                                                                evaluation as monotherapy                                                   for lenacapavir
                                                                                                for PrEP
                                                                                                                                                                          • 7 in clinical, 3 pre-clinical
                                                                                              • Expect to double
                                                                                                prevention utilization by                                                 • Testing multiple frequency
                  Approval1              in U.S. and EU                                                                                                                     and modality options
                                                                                                end of decade

                  Only Twice-Yearly HIV
                  Subcutaneous Option

   9     1. Sunlenca should be taken with an optimized background regimen.
         Note: Sunlenca is not approved for HIV prevention (PrEP) by any regulatory authority globally; its safety and efficacy have not been established for this use.
Gilead in 2023 and Beyond - J.P. Morgan Healthcare Conference 9 January 2023
Maximize Impact of Long-Acting HIV Therapies

         Diverse Pipeline of HIV Long-Acting Treatment Options
         Modality              Frequency                    Backbone                                                 Partner                                               Modality Mix Expected to be
                             Once-Daily                  Lenacapavir                                                  Bictegravir                                          Driven by Gilead Innovation
                                                                                                                      Phase 2/3 Combo
                                                                                                                                                                     MTRs                                                                       100%
          Oral                                           Lenacapavir                                                  INSTI Oral                            LA Injectables
                                                                                                                                                                                                                              MTRs
                                                                                                                      Phase 1
                                 1 Week
                                                         Lenacapavir                                                  NNRTI
                                                                                                                      Phase 1                                                                                          Long-Acting
                                                                                                                                                                                                                         Orals &
                                                         Lenacapavir                                                  Islatravir
                                                                                                                      Phase 21                                                                                         Injectables

                                                         Lenacapavir                                                  INSTI Inj.
                                                                                                                      Phase 1                                                      Daily Orals
                               3 Months
                                                         Lenacapavir                                                  NRTI
                                                                                                                      Pre-IND
        Injectable                                                                                                    INSTI 1                                                                                           Daily Orals
                                                         Lenacapavir
                                                                                                                      Pre-IND
                               6 Months
                                                         Lenacapavir                                                  INSTI 2
                                                                                                                      Pre-IND
                                                                                                                                                                                                                                                  0%
             Updated Disclosure
                                                         Lenacapavir                                                  2 bNAbs                                                           2021                                 2030
             New Disclosure                                                                                           Phase 1b POC Combo
                                                                                                                                                                                                        Illustrative

         Note: the combinations and dosing regimens shown are investigational and are not approved by any regulatory authority for any use; Their safety and efficacy are not established. Merck’s islatravir is an investigational agent and is not
   10    approved by any regulatory authority for any use; its safety and efficacy are not established. 1. Lenacapavir + Islatravir oral combo is expected to commence in 1H 2023. bNabs - Broadly neutralizing antibody; IND – Investigational New
         Drug; INSTI – Integrase strand transfer inhibitor; LA – Long-acting; MTR – Multi-tablet regimen. NNRTI – Non-nucleoside reverse transcriptase inhibitor; NRTI – Nucleoside reverse transcriptase inhibitor; POC – Proof of concept.
Expand and Deliver on Oncology Programs

         Oncology Portfolio Now Addresses Most Tumor Types
                                                              Solid Tumors1                                                                                                       Hematological Cancers2

                 Triple-
                                                                    HR+ / HER2-                  Non-Small                                                                                                                     Acute
                Negative                    Bladder                                                                           Gastric and
                                                                                                                                                                      Large B-cell                 Follicular
                                                                      Breast                     Cell Lung                 Gastroesophageal                                                                                 Lymphocytic
                 Breast                     Cancer                                                                          Junction Cancer                           Lymphoma                    Lymphoma
                                                                      Cancer                      Cancer                                                                                                                     Leukemia
                 Cancer

                                                                                                                                                                                                     Acute
              Head and                      Prostate                 Small Cell                 Endometrial                 Colorectal                                 Mantle Cell                                          Myelodysplastic
                                                                                                                                                                                                    Myeloid                   Syndrome
             Neck Cancer                     Cancer                 Lung Cancer                   Cancer                     Cancer                                    Lymphoma
                                                                                                                                                                                                   Leukemia

                                                                                                                                                                                                                              Chronic
              Pancreatic                    Cervical                    Ovarian                  Renal Cell              Hepatocellular                                 Multiple                 Rare B-Cell                Lymphocytic
                Cancer                      Cancer                      Cancer                   Carcinoma                Carcinoma                                     Myeloma                  Malignancies                Leukemia

                Approved or Accelerated Approval                   Under Review             Clinical Programs             Potential Diseases

          Select Partnerships4:

         1. Trodelvy received full approval for 2L metastatic triple-negative breast cancer in the US, EU, and Project Orbis countries; Trodelvy received accelerated approval for 2L metastatic urothelial cancer in the US. 2. Yescarta is approved for
   11    3L+ relapsed/refractory (R/R) large B-cell lymphoma in the US and EU, among others, and received accelerated approval in 3L+ R/R follicular lymphoma in the US. Tecartus was granted accelerated approval for R/R mantle cell lymphoma
         in the US and EU, and full approval for R/R adult acute lymphoblastic leukemia.4. Collaboration with Arcellx has been announced but not yet closed. Closing of transaction subject to regulatory clearances and other conditions.
Expand and Deliver on Oncology Programs

         Trodelvy is a Cornerstone of our Oncology Program
                                                              Solid Tumors1

                 Triple-
                Negative
                 Breast
                                            Bladder
                                            Cancer
                                                                    HR+ / HER2-
                                                                      Breast
                                                                      Cancer
                                                                                                 Non-Small
                                                                                                 Cell Lung
                                                                                                  Cancer
                                                                                                                             Gastric and
                                                                                                                          Gastroesophageal
                                                                                                                          Junction Cancer
                                                                                                                                                                                10               Total ongoing trials2
                 Cancer

              Head and                     Prostate                  Small Cell                Endometrial                  Colorectal
                                                                                                                                                                                       6         On-going Phase 3 trials2
             Neck Cancer                    Cancer                  Lung Cancer                  Cancer                      Cancer

                                                                                                                                                                 5                               Active combination trials2
              Pancreatic                    Cervical                    Ovarian                  Renal Cell              Hepatocellular
                Cancer                      Cancer                      Cancer                   Carcinoma                Carcinoma
                                                                                                                                                             >1.3M                               Addressable patients3

                Approved or Accelerated Approval                   Under Review             Clinical Programs             Potential Diseases

          Select Partnerships:

         1. Trodelvy received full approval for 2L+ metastatic triple-negative breast cancer in the US, EU, and Project Orbis countries; Trodelvy received accelerated approval for 2L+ metastatic urothelial cancer in the US. 2. Industry-sponsored
   12    clinical phase trials (excluding ISRs and regional bridging studies) 3. Source: Custom Equinox Epi Model of potentially addressable patient population; 2030 estimates in the US and Europe. Includes epi based on addressable population in
         trials that have already initiated, which excludes colorectal, pancreatic and cervical cancer.
Expand and Deliver on Oncology Programs

         Comprehensive Trodelvy Breast Cancer Program
                                                                                                Addressable                                                                                                                 Addressable
                               TNBC                                                             Population1
                                                                                                                                                           HR+/HER2-                                                        Population1

        Neo-                   NeoSTAR (DCFI Collab)                                                                                Neo-
                                                                                                    ~11K                                                   NeoSTAR (DCFI Collab)                                                ~44K
        adjuvant               Ph3 Low Risk (WSG Collab)                                                                            adjuvant

                               ASCENT-05
        Adjuvant2                                                                                   ~40K                            Adjuvant               SASCIA (GBG Collab)                                                 ~280K
                               SASCIA (GBG Collab)

                               ASCENT-03
        1L                     ASCENT-04                                                            ~24K                            1L
                               Magrolimab (NCT04958785)3                                                                                                   ASCENT-07                                                           ~210K
                                                                                                                                    2L
        2L                     ASCENT
                               FDA and EMA Approvals in 2L mTNBC                                    ~26K
        3L+                    Magrolimab (NCT04958785)3                                                                            3L+                    TROPiCS-02                                                         ~107K4

                                                                                      4                                                                                     >700K
                                                            Ongoing Phase 3 Trials in                                                                       Addressable Patients1 Across
                                                                 Breast Cancer                                                                                Breast Cancer by 2030

   13    1. Patient segment size estimates reflect 2030 incidence rates in breast cancer. Source: Custom Epi Model by Equinox for US/EU5. 2. Post-neoadjuvant, in patients without pCR. 3. NCT04958785 cohort 1 includes 1L patients
         with PD-L1- mTNBC and cohort 2 includes 2L patients with mTNBC (must have had prior PD-L1 inhibitor if PD-L1+). 4. Estimate approximately 25K patients have had ET, CDK4/6i, and 2 prior chemotherapy in the EU5/US
Expand and Deliver on Oncology Programs

          Trodelvy Could Address Significant Unmet Need
                                                            When Approved1                                                                                                               Future
                                                            First and only TROP2 ADC to demonstrate                                                                                      Potential to displace chemotherapy
                                                            OS benefit in endocrine resistant, chemo                                                                                     in earlier treatment lines2
                                                            treated patients with HR+/HER2- mBC

   HR+/HER2- mBC
  ~317K addressable patients3

                                                                                                                                                Chemotherapy5
                                                                                             Chemotherapy4                        4-6           or                                  5-10
        HER2-low                                                                                                                Months          HER2        ADC5                   Months            Chemotherapy
                                                                                                                                 mPFS                                               mPFS             or
   ~65% of HR+ BC
                                                                                                     ASCENT-07                                          ASCENT-07
                                                                            28-44
                                    Endocrine Tx                            Months
                                                                                                                                                                                                                                       6                                       4-6
                                    +/- CDK4/6i Tx                                                                                                                                                                                                                           Months
                                                                             mPFS                                                                                                                                                                                             mPFS
                                                                                                                                                                                                      Note: No data available on the use of Trodelvy
   HER2 IHC-0                                                                                2   Chemotherapies4,5                                                                  9-11
                                                                                                                                                                                                      after HER2 ADC

   ~35% of HR+ BC                                                                                                                                                                  Months
                                                                                                     ASCENT-07                                                                                              TROPiCS-02
                                                                                                                                                                                    mPFS

                                                                                                                                                                           Treatments Received

          Disclaimer: mPFS ranges represent estimates based on published clinical trial data. The data do not represent the duration of treatment, efficacy of the treatment used sequentially, or outcomes intended for cross-trial comparisons.
          1. Trodelvy for HR+/HER2- mBC is investigational and is currently under review by FDA. It is not guaranteed that FDA will approve Trodelvy for this use. sBLA for pre-treated HR+/HER2- mBC submitted; PDUFA action date 1Q23. 2. Chemotherapy is expected to remain a
   14     treatment option for select patients.3. Patient segment size reflect 2030 incidence rates in HR+/HER2- metastatic breast cancer. Source: Custom Epi Model by Equinox for US/EU5 4. mPFS of 4-6 months for chemotherapy based on the Ph3 OlympiAD, EMBRACA, and
          TNT studies. 5. Enhertu: mPFS of 5 months for chemotherapy and 10 months for Enhertu based on the DESTINY-Breast04 Trial. 6. mPFS of 4 months for chemotherapy and 6 months for Trodelvy based on TROPiCS-02 study. ADC – antibody drug conjugate. mBC –
          metastatic breast cancer. mPFS – median progression free survival. OS – overall survival. Tx – treatment.
Expand and Deliver on Oncology Programs

         Comprehensive Lung Clinical Program Underway
                                                                                                                                                                                                                                  Addressable
                                                                                                                       Gilead Asset                       External Asset                              Studies                     Population1

         8           Ongoing NSCLC trials2
                                                                                                Stage III           Domvanalimab                             Durvalumab                              PACIFIC-8                         ~28K
                                                                                               unresectable

         6           Ongoing combination trials2
                                                                                                                    Domvanalimab
                                                                                                                       Trodelvy
                                                                                                                                                          Chemotherapy
                                                                                                                                                                                                    ARC-7
                                                                                                                                                                                                   ARC-103
                                                                                                                                                          Pembrolizumab
                                                                                                                    Etrumadenant
                                                                                                                         DOM                                                                     EDGE Lung4
                                                                                                                                                          Pembrolizumab
         8
                                                                                                   1L
                                                                                                                       Trodelvy
                                                                                                                          ZIM                                                                     EVOKE-02                            ~190K
                                                                                                Stage IV
                     Investigational assets2                                                                        Quemliclustat
                                                                                                                       ETRUMA                                                                    EVOKE-033,4
                                                                                                                    Zimberelimab
                                                                                                                        QUEMLI                                                                    STAR-1213
                                                                                                                                                                                                VELOCITY Lung

    Data readout for the pivotal Ph3                                                                                Domvanalimab                          Chemotherapy                           EDGE Lung4
                                                                                                 2L+
       EVOKE-01 in 2-3L mNSCLC                                                                   (IO/
                                                                                                                    Etrumadenant                                                               ELEVATE Lung5
                                                                                                                     Magrolimab                                                                  EVOKE-013                            ~120K
           estimated by 2024                                                                    chemo
                                                                                               exposed)                Trodelvy                                                                  TROPiCS-03
                                                                                                                    Zimberelimab                                                               VELOCITY Lung4

         Note: Arcus is leading and operationalizing ARC-7, ARC-10, and EDGE Lung Platform. EVOKE-02 and EVOKE-03 are done in collaboration with Merck, with Merck operationalizing EVOKE-03. Astra Zeneca is operationalizing PACIFIC-8 in
   15    collaboration with Arcus and Gilead. Source: Johnson et al., 2022 – ASCO December Plenary Session. Dom – domvanalimab. Etruma – etrumadenant. IA4 – interim analysis 4. Quemli – quemliclustat. Zim – zimberelimab.           1. Source:
         Based on 2030 Estimates from a Custom Epi Model by Equinox for the US/EU5. 2. Industry-sponsored clinical phase trials (excluding ISRs and regional bridging studies). 3. Phase 3 program. 4. FPI expected in 2023. 5. ELEVATE Lung & UC
         trial is listed as NCT04827576 on clinicaltrials.gov
Expand and Deliver on Oncology Programs

         ARC-7: Dom Shows Potential to be Best-in-Class TIGIT

                                                                                                                                                     Doublet and triplet showed
                                                                                                                                                     clinically meaningful efficacy

                                                                                                                                                     Potentially differentiated safety
                                                                                                                                                     profile

                                                                                                                                                     Potential for novel and
                                                                                                                                                     differentiated IO combinations

                                                         ARC-7 Interim Analysis 4

                           1L mNSCLC                                                                          Stage III NSCLC                                Gastric / Esophageal /
                ARC-10 & STAR-121                                                                           PACIFIC-8                                        GEJ Adenocarcinoma
            ~190K addressable population1                                                          ~28K addressable population1                                      STAR-221
                                                                                                                                                            ~70K addressable population1
         Note: Domvanalimab is an investigational product and is not approved anywhere globally; its safety and efficacy have not been established
   16    1. Based on 2030 Estimates from a Custom Epi Model by Equinox for the US/EU5. Dom - domvanalimab
         Source: Johnson, et al. ASCO Plenary Session. 2022
Expand and Deliver on Oncology Programs

         Exploring Full Potential of Magrolimab
                                                    Solid Tumors                                                      Hematological Cancers

                 Triple-
                                                                         Non-Small            Gastric and                                        Acute
                Negative                Bladder       HR+ / HER2-                                             Large B-cell      Follicular
                                                                         Cell Lung         Gastroesophageal                                   Lymphocytic
                 Breast                 Cancer       Breast Cancer                         Junction Cancer    Lymphoma         Lymphoma
                                                                                                                                               Leukemia
                                                                          Cancer
                 Cancer

                                                                                                                                 Acute
              Head and                  Prostate       Small Cell       Endometrial         Colorectal        Mantle Cell                    Myelodysplastic
                                                                                                                                Myeloid        Syndrome
             Neck Cancer                 Cancer       Lung Cancer         Cancer             Cancer           Lymphoma
                                                                                                                               Leukemia

                                                                                                                                                Chronic
                Pancreatic              Cervical        Ovarian          Renal Cell        Hepatocellular      Multiple       Rare B-Cell     Lymphocytic
                 Cancer                 Cancer          Cancer           Carcinoma          Carcinoma          Myeloma        Malignancies     Leukemia

                 Approved or Accelerated Approval    Under Review    Clinical Programs

                        8           Trials Achieved FPI
                                    in 2021-22                                4          Indications with
                                                                                         Phase 1/2 Data              2       Trials Completed
                                                                                                                             Enrollment in 2022
   17    Note: FPI – first patient in
Expand and Deliver on Oncology Programs

         Advancing and Investing in Magrolimab Programs

                                                                                                                 Broad program across hematological cancers and solid tumors

                                                                                                                                                                           Pivotal Trials
                                                                                                                                                        Phase 2
         •      No new safety signals identified
                                                                                                                                                         1L HR MDS                       1L TP53m AML                        1L Unfit AML

                                                                                                                                   Trial                 ENHANCE                           ENHANCE-2                          ENHANCE-3
         •      Gilead remains blinded to the data
                                                                                                                                 Stage                     Phase 3                            Phase 3                            Phase 3

                                                                                                                                                      Fully enrolled                           FPFV                               FPFV
         •      Continued commitment to the                                                                                     Status
                                                                                                                                                         Q3 2022                              Q4 2021                            Q3 2022
                potential for magrolimab                                                                                                                                                                                    magro + aza +
                                                                                                                       Combination                     magro + aza                        magro + aza
                                                                                                                                                                                                                             venetoclax

                                                                                                                      Next Update1                           2H23                               2H24                              2H24

                                                    Following First Interim Analysis, ENHANCE Study is Ongoing

         Note: AML – acute myeloid leukemia; FPFV – first patient first visit; HR-MDS - high risk myelodysplastic syndrome. Magrolimab is an investigational product and is not approved anywhere globally; its safety and efficacy have not been
   18
         established 1. Expected update timing is provisional and reflects potential data readouts for interim analyses which are event-driven; studies are powered for final analyses.
Expand and Deliver on Oncology Programs

         Cell Therapy Portfolio Continues to Expand
                                                               Solid Tumors                                                                                                        Hematological Cancers

                 Triple-
                                                                                                 Non-Small                   Gastric and                                                                            Acute
                Negative                     Bladder                 HR+ / HER2-                                                                                      Large B-cell                 Follicular
                                                                                                 Cell Lung                Gastroesophageal                                                                       Lymphocytic
                 Breast                      Cancer                 Breast Cancer                                         Junction Cancer                             Lymphoma                    Lymphoma
                                                                                                  Cancer1                                                                                                         Leukemia
                Cancer1

                                                                                                                                                                                                     Acute
            Head and Neck                   Prostate                  Small Cell                 Endometrial                 Colorectal                                Mantle Cell                               Myelodysplastic
                                                                                                                                                                                                    Myeloid        Syndrome
               Cancer                        Cancer                  Lung Cancer                   Cancer                     Cancer                                   Lymphoma
                                                                                                                                                                                                   Leukemia

                                                                                                                                                                                                                   Chronic
              Pancreatic                    Cervical                   Ovarian                    Renal Cell              Hepatocellular                                Multiple                  Rare B-Cell    Lymphocytic
               Cancer1                      Cancer                     Cancer1                    Carcinoma                Carcinoma                                    Myeloma2                  Malignancies    Leukemia

                Approved or Accelerated Approval                   Under Review             Clinical Programs1            Potential Diseases

                10                Clinical stage programs3                                         16                Early stage assets3                                                   9         Strategic partnerships

         1. These clinical programs are led by Tmunity which is being acquired by Kite. The transaction is expected to close in Q123, subject to regulatory clearances and other conditions.
   19    2.This clinical program is currently led by Arcellx, and will transition to Kite when the collaboration agreement closes (expected in Q123, subject to regulatory clearances and other
         conditions).Count includes partnered assets but does not include potential partner opt-in programs.
Capital Priorities Unchanged: Returned $5B+ in 2022

                           $3.7B                                                                                Continue to invest in our business and R&D pipeline
                 Dividends Paid in FY22                                                                         while managing expenses

                                                                                                                Continue ordinary course partnerships and business

                           $1.5B                                                                                development transactions

                   Debt Repaid in FY22                                                                          Grow our dividend

                           $1.4B                                                                                Repurchase shares to offset dilution and
                                                                                                                opportunistically reduce share count
          Shares Repurchased in FY22
         18.9M shares at average $73.76

20   Note: Gilead’s results for the full-year ended December 31, 2022 have not been finalized and are subject to Gilead’s financial statement closing procedures. Actual results could differ from the preliminary estimates described above.
Gilead in 2023

       Transformation            HIV Positioned for              Fast-Growing
      Impact is Tangible         Continued Growth              Oncology Business

       Portfolio with quality,    Leading HIV portfolio and       Strong commercial
     depth and breadth, strong   poised to shape long-acting   performance and clinical
      financial performance,        market following first      momentum, including
     and consistent execution.     lenacapavir approvals.        recent positive data.

21
Gilead in 2023 and Beyond: Q&A
J . P. M o r g a n H e a l t h c a r e C o n f e r e n c e
9 January 2023
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