The following discussion and analysis is intended to provide material
information around events and uncertainties known to management relevant to an
assessment of the financial condition and results of operations of Gilead and
should therefore be read in conjunction with our audited Consolidated Financial
Statements and related notes thereto included as part of our   Annual Report on
Form 10-K   for the year ended December 31, 2021 and our unaudited Condensed
Consolidated Financial Statements for the three and six months ended June 30,
2022 and related notes thereto (including Note 1. Organization and Summary of
Significant Accounting Policies and Note 6. Acquisitions, Collaborations and
Other Arrangements) and other disclosures (including Part II, Item 1A. Risk
Factors) included in this Quarterly Report on Form 10-Q where other material
events and uncertainties not otherwise discussed below are disclosed. Certain
amounts and percentages herein may not sum or recalculate due to rounding.

MANAGEMENT OVERVIEW

Gilead Sciences, Inc. ("Gilead," "we," "our" or "us") is a biopharmaceutical
company that has pursued and achieved breakthroughs in medicine for more than
three decades, with the goal of creating a healthier world for all people. We
are committed to advancing innovative medicines to prevent and treat
life-threatening diseases, including HIV, viral hepatitis and cancer. We operate
in more than 35 countries worldwide, with headquarters in Foster City,
California.

Business Highlights(1)

Virology

•In July 2022, we announced U.S. Food and Drug Administration ("FDA") accepted
for review the New Drug Application resubmission for investigational lenacapavir
for the treatment of HIV-1 infection in heavily treatment-experienced people
with multidrug resistant HIV-1 infection. FDA has assigned a Prescription Drug
User Fee Act date of December 27, 2022.

•In July 2022, we received a positive opinion from European Medicines Agency's
("EMA") Committee for Medicinal Products for Human Use ("CHMP") for Veklury to
be granted full marketing authorization for the treatment of coronavirus disease
2019 ("COVID-19") in adults and adolescents with pneumonia requiring
supplemental oxygen and adults who do not require supplemental oxygen and are at
increased risk of developing severe COVID-19.

•In June 2022, we received a positive opinion from the EMA's CHMP for investigational lenacapavir for the treatment of HIV-1 infection, in combination with other antiretroviral(s), in adults with multi-drug resistant HIV-1 infection for whom it is otherwise not possible to construct a suppressive anti-viral regimen.



•In May 2022, we announced FDA lifted the clinical hold placed on the
Investigational New Drug Application to evaluate injectable lenacapavir for HIV
treatment and pre-exposure prophylaxis following the agency's review of the
storage and compatibility data of lenacapavir injection with an alternate vial
made from aluminosilicate glass.

•In April 2022, FDA approved a supplemental new drug application for Veklury for
the treatment of pediatric patients under 12 years of age for the treatment of
COVID-19.

Oncology

•In August 2022, we received updated National Comprehensive Cancer Network
("NCCN") recommendations for sacituzumab govitecan-hziy to a category 1
preferred recommendation in second-line and later metastatic triple-negative
breast cancer ("TNBC") and was added as a category 2A preferred recommendation
in the investigational indication of HR+/HER2- advanced breast cancer by the
NCCN Guidelines® for Breast Cancer. Category 1 is the highest recommendation by
NCCN, indicating that based upon high-level evidence, there is uniform NCCN
consensus that the intervention is appropriate. The use of Trodelvy in patients
with HR+/HER2- breast cancer is investigational, and Trodelvy has not been
approved by FDA for this use.

•In July 2022, we received a positive opinion from EMA's CHMP for Tecartus for the treatment of adult patients 26 years of age and above with relapsed or refractory ("r/r") B-cell precursor acute lymphoblastic leukemia ("ALL").



•In June 2022, the European Commission approved Yescarta for the treatment of
adult patients with r/r follicular lymphoma ("FL") after three or more lines of
systemic therapy.

•In April 2022, FDA approved commercial production at our new CAR T-cell therapy manufacturing facility in Frederick, Maryland.

________________________________



(1)  We announced and discussed these updates in further detail in press
releases available on our website at www.gilead.com. Readers are also encouraged
to review all other press releases available on our website mentioned above. The
content on the referenced websites does not constitute a part of and is not
incorporated by reference into this Quarterly Report on Form 10-Q.

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•In April 2022, FDA granted approval to Yescarta as initial treatment for adults
with large B-cell lymphoma ("LBCL") that is refractory to or relapses within 12
months of first-line chemoimmunotherapy.

Corporate



•In August 2022, we entered into an agreement to acquire all of the outstanding
share capital of MiroBio Ltd, a privately-held U.K.-based biotechnology company
focused on restoring immune balance with agonists targeting immune inhibitory
receptors, for a total of $405 million in cash consideration, subject to
customary adjustments. Closing of the transaction is subject to antitrust
clearances required by the U.S. Hart-Scott-Rodino Antitrust Improvements Act of
1976, as amended, and other customary conditions.

•In April 2022, we entered into a strategic research collaboration agreement
(the "Dragonfly Collaboration Agreement") with Dragonfly Therapeutics, Inc.
("Dragonfly") to develop natural killer cell engager-based immunotherapies for
oncology and inflammation indications. Upon closing of the Dragonfly
Collaboration Agreement, we made a $300 million upfront payment to Dragonfly.

Quarterly Financial Highlights



                                                  Three Months Ended                                         Six Months Ended
                                                       June 30,                                                  June 30,
(in millions, except percentages and
per share amounts)                               2022                2021             Change              2022              2021              Change
Total revenues                             $    6,260             $ 6,217                   1  %       $ 12,850          $ 12,640                   2  %
Net income attributable to Gilead          $    1,144             $ 1,522                 (25) %       $  1,163          $  3,251                 (64) %
Net income per share attributable to
Gilead common stockholders - diluted       $     0.91             $  1.21                 (25) %       $   0.92          $   2.58                 (64) %


Total revenues increased by 1% and 2% to $6.3 billion and $12.8 billion for the
three and six months ended June 30, 2022, respectively, compared to the same
periods in 2021, primarily due to higher product sales in HIV, cell therapy and
Trodelvy, partially offset by lower sales of Veklury and lower chronic hepatitis
C virus ("HCV") product sales.

Net income attributable to Gilead was $1.1 billion, or $0.91 diluted earnings
per share, for the three months ended June 30, 2022, compared to $1.5 billion,
or $1.21 diluted earnings per share for the same period in 2021. The decrease
was primarily due to higher total costs and expenses driven by an upfront
payment related to the Dragonfly collaboration and higher net unrealized losses
from our equity investments, partially offset by higher revenues.

Net income attributable to Gilead was $1.2 billion, or $0.92 diluted earnings
per share, for the six months ended June 30, 2022, compared to $3.3 billion, or
$2.58 diluted earnings per share for the same period in 2021. The decrease was
primarily due to a partial in-process research and development ("IPR&D")
impairment charge of $2.7 billion during the three months ended March 31, 2022
related to assets we acquired from Immunomedics, Inc. ("Immunomedics") in 2020,
partially offset by lower income tax expense and higher revenues.

                                       29
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RESULTS OF OPERATIONS

Revenues



The following table summarizes the period-over-period changes in our Total
revenues:

                                                       Three Months Ended June 30, 2022                                                         Three Months Ended June 30, 2021
(in millions, except
percentages)                         U.S.                Europe           Other International           Total                 U.S.                Europe           Other International           Total             Change
Product sales:
HIV                           $    3,383               $   562          $                282          $ 4,228          $    3,044               $   596          $                298          $ 3,938                  7  %
Veklury                               41                   126                           278              445                 416                   264                           149              829                (46) %
HCV                                  263                    94                            91              448                 327                    93                           129              549                (18) %
Chronic hepatitis B
virus ("HBV") /
hepatitis delta virus
("HDV")                              100                    30                           104              234                  90                    24                           123              237                 (1) %
Cell therapy                         246                   105                            17              368                 140                    70                             9              219                 68  %
Trodelvy                             120                    35                             3              159                  89                     -                             -               89                 79  %
Other                                101                    88                            67              256                 107                   100                            84              291                (12) %
Total product sales                4,254                 1,042                           842            6,138               4,213                 1,147                           792            6,152                  -  %
Royalty, contract and
other revenues                        85                    34                             2              122                  20                    45                             -               65                 87  %
Total revenues                $    4,339               $ 1,076          $                844          $ 6,260          $    4,233               $ 1,192          $                792          $ 6,217                  1  %



                                                      Six Months Ended June 30, 2022                                                     Six Months Ended June 30, 2021
(in millions, except
percentages)                      U.S.             Europe           Other International            Total             U.S.             Europe           Other International            Total             Change
Product sales:
HIV                            $  6,245          $ 1,112          $                577          $  7,935          $  5,830          $ 1,174          $                584          $  7,588                  5  %
Veklury                             843              430                           708             1,980             1,236              652                           397             2,285                (13) %
HCV                                 462              189                           196               847               585              228                           246             1,059                (20) %
HBV/HDV                             180               57                           232               470               171               47                           239               457                  3  %
Cell therapy                        418              197                            27               642               259              135                            16               410                 57  %
Trodelvy                            240               61                             5               305               161                -                             -               161                 90  %
Other                               195              169                           129               493               211              186                           135               532                 (7) %
Total product sales               8,582            2,216                   

     1,873            12,672             8,453            2,422                         1,617            12,492                  1  %
Royalty, contract and
other revenues                      112               61                             5               178                40              106                             2               148                 20  %
Total revenues                 $  8,694          $ 2,277          $              1,878          $ 12,850          $  8,493          $ 2,528          $              1,619          $ 12,640                  2  %

________________________________


See Note 2. Revenues of the Notes to Condensed Consolidated Financial Statements
included in Part I, Item 1 of this Quarterly Report on Form 10-Q for further
disaggregation of revenue by product.

HIV



HIV product sales increased by 7% and 5% to $4.2 billion and $7.9 billion for
the three and six months ended June 30, 2022, respectively, compared to the same
periods in 2021, primarily due to changes in product and channel mix leading to
higher average realized price and continued higher demand for Biktarvy
worldwide, partially offset by lower demand for Truvada, as expected, primarily
due to the continued generic competition following the October 2020 loss of
exclusivity in the U.S., and for Genvoya, primarily due to patients switching to
Biktarvy. We expect that our HIV business will continue to recover from the
COVID-19 pandemic in 2022.

                                       30
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Veklury



Veklury product sales decreased by 46% and 13% to $445 million and $2.0 billion
for the three and six months ended June 30, 2022, respectively, compared to the
same periods in 2021, primarily due to lower demand driven by reduced
hospitalization rates in the U.S. and Europe, partially offset by higher demand
in Other International. Sales of Veklury are generally affected by COVID-19
related rates of infections and hospitalizations as well as the availability,
uptake and effectiveness of vaccinations and alternative treatments for
COVID-19. As a result, future sales of Veklury are difficult to predict and may
vary significantly from one period to the next.

HCV



HCV product sales decreased by 18% and 20% to $448 million and $847 million for
the three and six months ended June 30, 2022, respectively, compared to the same
periods in 2021, primarily due to channel mix leading to lower average realized
price and fewer patient starts.

HBV / HDV



HBV and HDV product sales decreased by 1% to $234 million for the three months
ended June 30, 2022, compared to the same period in 2021, primarily due to lower
Vemlidy sales in Other International, partially offset by the continued uptake
of Hepcludex in Europe.

HBV and HDV product sales increased by 3% to $470 million for the six months ended June 30, 2022, compared to the same period in 2021, primarily due to higher demand for Vemlidy and the continued uptake of Hepcludex in Europe.

Cell Therapy



Cell therapy product sales increased by 68% and 57% to $368 million and $642
million for the three and six months ended June 30, 2022, respectively, compared
to the same periods in 2021, primarily due to the continued uptake of Yescarta
for the treatment of r/r LBCL in the U.S. and Europe, and FL in the U.S. The
increase was also driven by higher Tecartus sales volumes resulting from
expansion of use in Europe for mantle cell lymphoma and continued adoption in
adult patients with r/r ALL in the U.S.

Trodelvy



Trodelvy product sales increased by 79% and 90% to $159 million and $305 million
for the three and six months ended June 30, 2022, respectively, compared to the
same periods in 2021 primarily due to the continued uptake in the second- and
third-line setting for the treatment of metastatic TNBC in the U.S. and Europe
as well as second-line metastatic urothelial cancer in the U.S.

Other



Other product sales decreased by 12% and 7% to $256 million and $493 million for
the three and six months ended June 30, 2022, respectively, compared to the same
periods in 2021, primarily due to lower demand for Letairis, driven by the
continued generic competition following the loss of exclusivity in 2019. The
decrease for the three months ended June 30, 2022 was also driven by lower
demand for AmBisome.

Foreign Currency Exchange Impact



Of our total product sales, 31% and 32% were generated outside the U.S. for the
three months ended June 30, 2022 and 2021, respectively. We generally face
exposure to movements in foreign currency exchange rates, primarily in the Euro.
We use foreign currency exchange contracts to hedge a portion of our foreign
currency exposures. Foreign currency exchange, net of hedges, had an unfavorable
impact on our total product sales of $85 million for the three months ended June
30, 2022, based on a comparison using foreign currency exchange rates from three
months ended June 30, 2021.

Of our total product sales, 32% were generated outside the U.S. for both the six
months ended June 30, 2022 and 2021. Foreign currency exchange, net of hedges,
had an unfavorable impact on our total product sales of $182 million for the six
months ended June 30, 2022, based on a comparison using foreign currency
exchange rates from six months ended June 30, 2021.

                                       31
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Costs and Expenses



The following table summarizes the period-over-period changes in our costs and
expenses:

                                                 Three Months Ended                                       Six Months Ended
                                                      June 30,                                                June 30,
(in millions, except percentages)               2022              2021              Change              2022             2021              Change
Cost of goods sold                          $   1,442          $ 1,390                    4  %       $ 2,866          $ 2,751                    4  %
Product gross margin                             76.5  %          77.4  %              -89 bps          77.4  %          78.0  %              -62 bps
Research and development expenses           $   1,102          $ 1,092                    1  %       $ 2,280          $ 2,142                    6  %
Acquired in-process research and
development expenses                        $     330          $   138                  139  %       $   338          $   205                   65  %
In-process research and development
impairment                                  $       -          $     -                      NM       $ 2,700          $     -                      NM
Selling, general and administrative
expenses                                    $   1,357          $ 1,351                    -  %       $ 2,440          $ 2,406                    1  %


_______________________________

NM - Not Meaningful

Product Gross Margin



Product gross margin for the three months ended June 30, 2022 decreased to 76.5%
compared to 77.4% for the same period in 2021, primarily due to higher royalty
expenses driven by Biktarvy royalties, and unfavorable manufacturing variances.

Product gross margin for the six months ended June 30, 2022 decreased to 77.4%
compared to 78.0% for the same period in 2021, primarily due to changes in
product mix, restructuring costs for the closing of a New Jersey manufacturing
site, higher acquisition-related expenses from amortization of finite-lived
intangible assets and higher royalty expenses driven by Biktarvy royalties,
partially offset by lower inventory reserve adjustments.

Research and Development Expenses

Research and development expenses for the three months ended June 30, 2022 remained relatively unchanged compared to the same period in 2021.



Research and development expenses increased by 6% to $2.3 billion for the six
months ended June 30, 2022, compared to the same period in 2021, primarily due
to higher clinical development spend related mostly to Trodelvy and the Arcus
Biosciences, Inc. collaboration.

Acquired In-Process Research and Development Expenses



Acquired IPR&D expenses increased by 139% and 65% to $330 million and $338
million for the three and six months ended June 30, 2022, respectively, compared
to the same periods in 2021, primarily due to an upfront payment related to the
Dragonfly collaboration, which we entered into in April 2022, as compared to
smaller upfront payments made in the prior year.

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In-Process Research and Development Impairment



In connection with our acquisition of Immunomedics in 2020, we allocated a
portion of the purchase price to acquired IPR&D intangible assets. Approximately
$8.8 billion was assigned to IPR&D intangible assets related to Trodelvy for
treatment of patients with HR+/HER2- metastatic breast cancer. In March 2022, we
received data from the Phase 3 TROPiCS-02 study evaluating Trodelvy in patients
with HR+/HER2- metastatic breast cancer who have received prior endocrine
therapy, CDK4/6 inhibitors and two to four lines of chemotherapy ("third-line
plus patients"). Based on our evaluation of the study results, and in connection
with the preparation of the financial statements for the first quarter, we
updated our estimate of the fair value of our HR+/HER2- IPR&D intangible asset
to $6.1 billion as of March 31, 2022. Our estimate of fair value used a
probability-weighted income approach that discounts expected future cash flows
to the present value. The expected cash flows included cash flows from HR+/HER2-
metastatic breast cancer for third-line plus patients and patients in earlier
lines of therapy which are the subject of separate clinical studies. Our revised
discounted cash flows were lower primarily due to a delay in launch timing for
third-line plus patients which caused a decrease in our market share assumptions
based on the expected competitive environment. There were no changes in our
plans or assumptions related to our estimated cash flows for patients in the
earlier lines of therapy. We determined the revised estimated fair value was
below the carrying value of the asset and, as a result, we recognized a partial
impairment charge of $2.7 billion in In-process research and development
impairment on our Condensed Consolidated Statements of Income during the three
months ended March 31, 2022. The remaining balance of the IPR&D intangible asset
for the HR+/HER2- metastatic breast cancer indication can be ascribed to cash
flows from earlier lines of therapy, where we have Phase 3 pivotal studies in
development, in addition to the revised cash flows related to the third-line
plus patient setting. If future events result in adverse changes in the key
assumptions used in determining fair value, including the timing of product
launches, information on the competitive landscape of treatments in this
indication, changes to the probability of technical or regulatory success,
failure to obtain anticipated regulatory approval or discount rate, among
others, additional impairments may be recorded and could be material to our
financial statements. No IPR&D impairment charges were recorded during the three
months ended June 30, 2022 and the six months ended June 30, 2021.

Selling, General and Administrative Expenses



Selling, general and administrative expenses for the three and six months ended
June 30, 2022 remained relatively unchanged compared to the same periods in
2021. Higher expenses related to grants, information technology projects and
promotional and marketing activities in 2022 were largely offset by a reduction
in donations to the Gilead Foundation.

Interest Expense and Other Income (Expense), Net

The following table summarizes the period-over-period changes in Interest expense and Other income (expense), net:



                                                   Three Months Ended                                          Six Months Ended
                                                        June 30,                                                   June 30,
(in millions, except percentages)                 2022                2021             Change                2022               2021             Change
Interest expense                           $     (242)              $ (256)                 (6) %       $    (480)            $ (513)                 (6) %
Other income (expense), net                $     (284)              $ (173)                 64  %       $    (395)            $ (542)

(27) %




Interest expense for the three and six months ended June 30, 2022 decreased by
6% to $242 million and $480 million, respectively, compared to the same periods
in 2021, primarily due to lower debt balances.

The changes in Other income (expense), net for the three and six months ended
June 30, 2022 compared to the same periods in 2021 primarily reflect higher and
lower net unrealized losses from equity securities, respectively.

Income Taxes



The following table summarizes the period-over-period changes in Income tax
expense:

                                                Three Months Ended                                  Six Months Ended
                                                     June 30,                                           June 30,
(in millions, except percentages)              2022              2021           Change            2022             2021            Change
Income before income taxes                 $   1,503          $ 1,817          $ (314)         $ 1,351          $ 4,081          $ (2,730)
Income tax expense                         $    (368)         $  (300)         $   68          $  (204)         $  (842)         $   (638)
Effective tax rate                              24.5  %          16.5  %          8.0  %          15.1  %          20.6  %           (5.5) %


Income tax expense and effective tax rate differed for the three months ended
June 30, 2022 compared to the same period in 2021, primarily due to a discrete
deferred tax benefit related to an intra-entity transfer of intangible assets
recorded in the three months ended June 30, 2021 and an increase in current
quarter unfavorable changes in the fair value of our equity investments that are
non-deductible for income tax purposes.

                                       33
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Income tax expense and effective tax rate differed for the six months ended June
30, 2022 compared to the same period in 2021, primarily due to a partial IPR&D
impairment charge of $2.7 billion recorded in the six months ended June 30,
2022.

LIQUIDITY AND CAPITAL RESOURCES

Cash, cash equivalents and marketable debt securities as of June 30, 2022 decreased by $829 million or 11%, compared to December 31, 2021.

Cash Flows

The following table summarizes our cash flow activities:



                                           Six Months Ended
                                               June 30,
(in millions)                             2022          2021
Net cash provided by (used in):
Operating activities                   $  3,642      $  4,926
Investing activities                   $ (1,378)     $ (2,619)
Financing activities                   $ (2,797)     $ (3,408)


Operating Activities

Net cash provided by operating activities is derived by adjusting our net income
for non-cash items and changes in operating assets and liabilities. Net cash
provided by operating activities was $3.6 billion for the six months ended June
30, 2022 compared to $4.9 billion for the same period in 2021. The decrease was
primarily due to the $1.25 billion payment made in the first quarter of 2022 in
connection with the legal settlement related to bictegravir litigation.

Investing Activities



Net cash used in investing activities was $1.4 billion for the six months ended
June 30, 2022 compared to $2.6 billion for the same period in 2021. The decrease
was primarily due to lower net purchases of marketable debt and equity
securities and fewer payments related to acquisitions, including IPR&D.

Financing Activities



Net cash used in financing activities was $2.8 billion for the six months ended
June 30, 2022 compared to $3.4 billion for the same period in 2021. During the
six months ended June 30, 2022, we utilized cash for $500 million of debt
repayments, $1.9 billion of dividend payments and $424 million of common stock
repurchases. During the six months ended June 30, 2021, we utilized cash for
$1.25 billion of debt repayments, $1.8 billion of dividend payments and $352
million of common stock repurchases.

Debt and Credit Facilities



A summary of our borrowings under various financing arrangements is included in
Note 9. Debt and Credit Facilities of the Notes to Condensed Consolidated
Financial Statements included in Part I, Item 1 of this Quarterly Report on Form
10-Q. We may choose to repay certain of our long-term debt obligations prior to
maturity dates based on our assessment of current and long-term liquidity and
capital requirements.

In February 2022, we repaid $500 million of senior unsecured notes prior to the
March 2022 maturity by exercising a par call option. Additionally, in July 2022,
we repaid $1.0 billion of senior unsecured notes prior to the September 2022
maturity by exercising a par call option. No new debt was issued during the
three and six months ended June 30, 2022. We are required to comply with certain
covenants under our note indentures governing our senior unsecured notes. As of
June 30, 2022, we were not in violation of any covenants.

Capital Resources and Material Cash Requirements



A summary of our capital resources and material cash requirements is presented
in Part II, Item 7 of our Annual Report on Form 10-K for the year ended
December 31, 2021. As of January 1, 2022, for U.S. tax purposes, research and
development expenses are required to be capitalized and amortized rather than
immediately deducted. As a result, our annual cash tax payments to the U.S
Treasury may increase in the current year. See Notes 6. Acquisitions,
Collaborations and Other Arrangements, 9. Debt and Credit Facilities, 10.
Commitments and Contingencies and 13. Income Taxes of the Notes to Condensed
Consolidated Financial Statements included in Part I, Item 1 of this Quarterly
Report on Form 10-Q for any other material changes to our capital resources and
material cash requirements during the three and six months ended June 30, 2022.

                                       34
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CRITICAL ACCOUNTING ESTIMATES



The preparation of our Condensed Consolidated Financial Statements in accordance
with U.S. GAAP requires management to make estimates and judgments that affect
the reported amounts in the financial statements and related disclosures. On an
ongoing basis, we evaluate our significant accounting policies and estimates. We
base our estimates on historical experience and on various market-specific and
other relevant assumptions that we believe 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. Estimates are assessed each period and updated to reflect current
information. Actual results may differ significantly from these estimates. A
summary of our critical accounting policies and estimates is presented in Part
II, Item 7 of our   Annual Report on Form 10-K   for the year ended December 31,
2021. With the exception of our revised estimates related to our HR+/HER2- IPR&D
intangible assets as described in "Result of Operations" above, there were no
material changes to our critical accounting policies and estimates during the
six months ended June 30, 2022.

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