The following discussion and analysis contains forward-looking statements within
the meaning of the federal securities laws, and should be read in conjunction
with the disclosures we make concerning risks and other factors that may affect
our business and operating results. You should read this information in
conjunction with the unaudited Condensed Consolidated Financial Statements and
the notes thereto included in this Quarterly Report on Form 10-Q, and the
audited Consolidated Financial Statements and notes thereto included in Part II,
Item 8 of our Annual Report on Form 10­K for the fiscal year ended July 3, 2020.
See also "Forward-Looking Statements" immediately prior to Part I, Item 1 in
this Quarterly Report on Form 10-Q.

Unless otherwise indicated, references herein to specific years and quarters are
to our fiscal years and fiscal quarters. As used herein, the terms "we," "us,"
"our," and the "Company" refer to Western Digital Corporation and its
subsidiaries.

Our Company



We are a leading developer, manufacturer and provider of data storage devices
and solutions that address the evolving needs of the information technology
("IT") industry and the infrastructure that enables the proliferation of data in
virtually every other industry. We create environments for data to thrive. We
drive the innovation needed to help customers capture, preserve, access and
transform an ever-increasing diversity of data. Everywhere data lives, from
advanced data centers to mobile sensors to personal devices, our
industry-leading solutions deliver the possibilities of data.

Our broad portfolio of technology and products address the following key end markets: Client Devices; Data Center Devices and Solutions; and Client Solutions. We also generate license and royalty revenue from our extensive intellectual property ("IP"), which is included in each of these three end market categories.



Our fiscal year ends on the Friday nearest to June 30 and typically consists of
52 weeks. Approximately every five to six years, we report a 53-week fiscal year
to align the fiscal year with the foregoing policy. Fiscal year 2021, which ends
on July 2, 2021, will be comprised of 52 weeks, with all quarters presented
consisting of 13 weeks. Fiscal year 2020, which ended on July 3, 2020, was
comprised of 53 weeks, with the first quarter consisting of 14 weeks and the
remaining quarters consisting of 13 weeks each.

Key Developments

Business Structure



Late in the first quarter of fiscal 2021, we announced a decision to reorganize
our business by forming two separate product business units: flash-based
products and hard disk drive ("HDD"). The new structure is intended to provide
each business unit with focus and responsibility for identifying current and
future customer requirements while driving the strategy, roadmap, pricing and
overall profitability for their respective product areas. Beginning in the
second fiscal quarter, we are in the process of transitioning to this new
operating model and discrete information has not yet been established to align
with the new business structure. We are developing new reporting processes to
support the new business structure and evaluating the impact of these changes on
our discussion and analysis of our financial condition and results of operations
in the future.

COVID-19 Pandemic

As a result of the ongoing COVID-19 pandemic, governments and other authorities
around the world, including federal, state and local authorities in the United
States, have imposed measures intended to reduce its spread, including
restrictions on freedom of movement and business operations such as travel bans,
border closings, business limitations and closures (subject to exceptions for
essential operations and businesses), quarantines and shelter-in-place orders.
Although some of these governmental restrictions have since been lifted or
scaled back, periodic surges of COVID-19 infections have resulted in the
re-imposition of certain restrictions and may lead to other restrictions being
re-implemented in response to efforts to reduce the spread of COVID-19. These
measures may remain in place for a significant amount of time, and the effects
of ongoing vaccination efforts and the emergence of new strains of the virus
remain uncertain. In light of these events, we have taken actions to protect the
health and safety of our employees while continuing to serve our global
customers as an essential business. We have implemented more thorough sanitation
practices as outlined by health organizations and instituted social distancing
policies at our locations around the world, including working from home,
limiting the number of employees attending meetings, reducing the number of
people in our sites at any one time, and suspending employee travel. In
addition, the responses to COVID-19 taken by others in the supply chain have
impacted our operations. As a result, we have incurred
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charges of approximately $61 million during the six months ended January 1,
2021, primarily related to higher logistics costs, which were recorded in cost
of revenue.

As an essential business, we continue to provide products and solutions that
enable the proliferation of data and facilitate the sharing of information
remotely, which has become more critical as much of the world is interacting
from areas of self-isolation. Generally, demand for our products remains solid.
During the six months ended January 1, 2021, we experienced lower sales in some
of our capacity enterprise and Client Devices products as customers absorbed
purchases made in recent quarters, but we also experienced increased sales in
retail as COVID-19 restrictions eased, more brick and mortar businesses resumed
operations, the work and learn from home trend increased hard drive demand for
desktops and notebooks, and gaming increased. Looking forward, we see positive
indications of the progression of 5G ramp and the growth of gaming. We also
currently expect retail demand to be solid in the near term and HDD to improve
as customers absorb recent purchases and we ramp sales of new products. However,
the COVID-19 environment remains dynamic and we cannot predict the duration of
the pandemic and how demand may change as it develops.

We will continue to actively monitor the situation and may take further actions
altering our business operations that we determine are in the best interests of
our employees, customers, partners, suppliers, and stakeholders, or as required
by federal, state, or local authorities. See "The COVID-19 pandemic could
adversely affect our business, results of operations and financial condition" in
Part I, Item 1A, Risk Factors, of our Annual Report on Form 10-K for the fiscal
year ended July 3, 2020 for more information regarding the risks we face as a
result of the COVID-19 pandemic.

Flash Ventures



Through our three business ventures with Kioxia Corporation ("Kioxia"), referred
to as "Flash Ventures", we and Kioxia operate flash-based memory wafer
manufacturing facilities in Japan. We are obligated to pay for variable costs
incurred in producing our share of Flash Ventures' flash-based memory wafer
supply, based on our three-month forecast, which generally equals 50% of Flash
Ventures' output. In addition, we are obligated to pay for half of Flash
Ventures' fixed costs regardless of the output we choose to purchase. We are
also obligated to fund 49.9% to 50% of each Flash Ventures entity's capital
investments to the extent that Flash Ventures entity's operating cash flow is
insufficient to fund these investments. We also co-develop flash technologies
(including process technology and memory design) with Kioxia and contribute IP
for Flash Ventures' use.

Since its inception, Flash Ventures' primary manufacturing site has been located
in Yokkaichi, Japan, which currently includes five wafer fabrication facilities.
Production levels at the Yokkaichi site were temporarily reduced as a result of
an unexpected power outage incident that occurred in the Yokkaichi region on
June 15, 2019. The power outage incident impacted the facilities and process
tools and resulted in damage to flash wafers in production. The incident
resulted in a reduction of our flash wafer availability by approximately 4
exabytes. As a result of this power outage incident, we incurred aggregate
charges of $68 million recorded in Cost of revenue in the six months ended
January 3, 2020, which primarily consisted of unabsorbed manufacturing overhead
costs. During the six months ended January 1, 2021, we recovered $75 million
related to this incident from our insurance carriers, which was recorded in Cost
of revenue.

In May 2019, we entered into additional agreements with Kioxia to extend Flash
Ventures to a new wafer fabrication facility, known as "K1," located in
Kitakami, Japan. The primary purpose of K1 is to provide clean room space to
continue the transition of existing flash-based wafer capacity to newer
technology nodes. K1 is now fully operational. In connection with the start-up
of this facility, we agreed to prepay an aggregate of approximately $360 million
over a 3-year period beginning in the first half of fiscal year 2020 toward K1
building depreciation, to be credited against future wafer charges. As of
January 1, 2021, remaining committed prepayments totaled $149 million.

In October 2020, Kioxia announced the start of construction of the shell for a
new fabrication facility in Yokkaichi, Japan, referred to as "Y7". We expect to
continue Flash Ventures investments into Y7 in due course, following the
completion of agreements with Kioxia governing the construction and operation of
the new facility and according to then-prevailing market trends.

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Results of Operations

Second Quarter and First Half Overview

The following table sets forth, for the periods presented, selected summary information from our Condensed Consolidated Statements of Operations by dollars and percentage of net revenue(1):


                                                                                       Three Months Ended
                                                    January 1,                           January 3,
                                                       2021                                 2020                      $ Change            % Change
                                                                                        ($ in millions)

Revenue, net                              $    3,943            100.0  %       $    4,234            100.0  %       $    (291)                   (7) %
Cost of revenue                                2,983             75.7               3,299             77.9               (316)                  (10)
Gross profit                                     960             24.3                 935             22.1                 25                     3
Operating Expenses:
Research and development                         535             13.6                 578             13.7                (43)                   (7)
Selling, general and administrative              265              6.7                 298              7.0                (33)                  (11)
Employee termination, asset impairment,
and other charges                                  2              0.1                   9              0.2                 (7)                  (78)
Total operating expenses                         802             20.3                 885             20.9                (83)                   (9)
Operating income                                 158              4.0                  50              1.2                108                   216
Interest and other income (expense):
Interest income                                    2              0.1                   8              0.2                 (6)                  (75)
Interest expense                                 (81)            (2.1)               (105)            (2.5)                24                   (23)
Other income, net                                  6              0.2                   7              0.2                 (1)                  (14)
Total interest and other expense, net            (73)            (1.9)                (90)            (2.1)                17                   (19)
Income (loss) before taxes                        85              2.2                 (40)            (0.9)               125                  (313)
Income tax expense                                23              0.6                  99              2.3                (76)                  (77)
Net income (loss)                         $       62              1.6          $     (139)            (3.3)               201                  (145)




(1) Percentages may not total due to rounding.


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                                                                                        Six Months Ended
                                                    January 1,                           January 3,
                                                       2021                                 2020                      $ Change            % Change
                                                                                        ($ in millions)
Revenue, net                              $    7,865            100.0  %       $    8,274            100.0  %       $    (409)                   (5) %
Cost of revenue                                6,001             76.3               6,581             79.5               (580)                   (9)
Gross profit                                   1,864             23.7               1,693             20.5                171                    10
Operating Expenses:
Research and development                       1,090             13.9               1,152             13.9                (62)                   (5)
Selling, general and administrative              521              6.6                 603              7.3                (82)                  (14)
Employee termination, asset impairment,
and other charges                                 25              0.3                  17              0.2                  8                    47
Total operating expenses                       1,636             20.8               1,772             21.4               (136)                   (8)
Operating income (loss)                          228              2.9                 (79)            (1.0)               307                  (389)
Interest and other income (expense):
Interest income                                    4              0.1                  20              0.2                (16)                  (80)
Interest expense                                (165)            (2.1)               (227)            (2.7)                62                   (27)
Other income, net                                 15              0.2                   9              0.1                  6                    67
Total interest and other expense, net           (146)            (1.9)               (198)            (2.4)                52                   (26)
Income (loss) before taxes                        82              1.0                (277)            (3.3)               359                  (130)
Income tax expense                                80              1.0                 138              1.7                (58)                  (42)
Net income (loss)                         $        2                -          $     (415)            (5.0)               417                  (100)



The following table sets forth, for the periods presented, summary information
regarding our revenue:

                                           Three Months Ended                  Six Months Ended
                                       January 1,        January 3,       January 1,      January 3,
                                          2021              2020             2021            2020
                                                              (in millions)
Revenue by Product
HDD                                 $    1,909          $     2,396      $    3,753      $     4,804
Flash-based                              2,034                1,838           4,112            3,470
Total Revenue                       $    3,943          $     4,234      $    7,865      $     8,274

Revenue by End Market
Client Devices                      $    2,131          $     1,797      $    4,077      $     3,413
Data Center Devices & Solutions            807                1,489           1,936            3,021
Client Solutions                         1,005                  948           1,852            1,840
Total Revenue                       $    3,943          $     4,234      $    7,865      $     8,274

Revenue by Geography
Americas                            $      945          $     1,296      $    2,024      $     2,609
Europe, Middle East and Africa             725                  811           1,354            1,590
Asia                                     2,273                2,127           4,487            4,075
Total Revenue                       $    3,943          $     4,234      $    7,865      $     8,274



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Net Revenue

Net revenue decreased 7% for the three months ended January 1, 2021 compared to
the three months ended January 3, 2020, which reflects an approximate 11
percentage point decline in revenue related to pricing per gigabyte of memory
for both HDD and flash products and an approximate 6 percentage point decline in
exabyte volume of HDD memory sold, primarily in Data Center Devices and
Solutions as discussed further below. These declines were largely offset by
higher volumes of flash memory sold.

Client Devices revenue increased 19% year over year. Higher volumes of flash
memory contributed 28 percentage points of growth, as work-, school- and
game-from-home trends continued to drive demand for our solutions for notebook
and desktop applications. Western Digital's industry leading NVMe-based client
SSDs and strong relationships with major PC OEMs drove a record level of exabyte
shipments. These increases were slightly offset, in relatively equal portions,
by lower average pricing per gigabyte of memory on both HDD and flash products
and lower volumes of HDD.

Data Center Devices and Solutions revenue declined 46% year over year due to
ongoing cloud digestion, one ongoing qualification delay and China shipment
restrictions. Revenue from both capacity enterprise hard drives and enterprise
SSDs were down year over year. We believe cloud digestion is abating and are
seeing stabilization of OEM demand. Should these demand trends continue, we
believe capacity enterprise hard drive revenue bottomed in the second quarter
and anticipate a rebound in the third quarter. Within our enterprise SSD product
line, we completed the qualification process at a cloud titan for our
second-generation product and began shipping to this customer in the third
quarter.

Client Solutions revenue increased 6% year over year with approximately 12 percentage points driven by volume growth. The work-, school- and gaming-from-home trends benefited both hard drive and flash-based products. This growth was partially offset by more competitive pricing.



Net revenue decreased 5% for the six months ended January 1, 2021 from the
comparable period in the prior year, reflecting an approximate 11 percentage
point decline related to pricing per gigabyte of memory for both HDD and flash
products and an approximate 8 percentage point decline in HDD memory sold,
primarily in Data Center Devices and Solutions. These declines were largely
offset by higher volumes of memory, predominantly in flash products. Client
Devices revenue increased 19% year over year, with approximately 25 percentage
points of growth coming from higher volumes of memory, driven by growth in flash
products for the same reasons noted above for the quarter. This increase was
partially offset by lower average selling prices per gigabyte of memory in both
flash and HDD products. Revenue for Data Center Devices and Solutions declined
36% year over year, which also reflects the drivers noted for the quarter above.
Client Solutions revenue was essentially flat year over year, with relatively
stable retail demand and pricing in both HDD and flash products.

The changes in net revenue by geography reflect an increase in Asia due to our
increased sales of mobility products to manufacturers in the Asia region, and a
decrease in the Americas driven by lower sales of capacity enterprise products.

Our top 10 customers accounted for 43% and 41% of our net revenue for the three
and six months ended January 1, 2021, respectively, and 44% and 43% for the
three and six months ended January 3, 2020, respectively. For the three and six
months ended January 1, 2021 and January 3, 2020, no single customer accounted
for 10% or more of our net revenue.

Consistent with standard industry practice, we have sales incentive and
marketing programs that provide customers with price protection and other
incentives or reimbursements that are recorded as a reduction to gross revenue.
For the three and six months ended January 1, 2021 and January 3, 2020, these
programs represented 20% and 19% and 17% and 16%, respectively, of gross
revenues, and adjustments to revenue due to changes in accruals for these
programs have generally averaged less than 1% of gross revenue year over year.
The increase in adjustments year over year reflects the current competitive
environment. The amounts attributed to our sales incentive and marketing
programs generally vary according to several factors including industry
conditions, list pricing strategies, seasonal demand, competitor actions,
channel mix and overall availability of products. Changes in future customer
demand and market conditions may require us to adjust our incentive programs as
a percentage of gross revenue.

Gross Profit and Gross Margin



Gross profit increased by $25 million for the three months ended January 1, 2021
from the comparable period in the prior year, which reflects a $48 million
decrease in charges in the current year related to amortization expense on
acquired intangible assets and the $45 million insurance recovery in the current
year related to the power outage incident, partially offset by lower revenues.

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Gross margin increased approximately 3 percentage points for the three months
ended January 1, 2021 from the comparable period in the prior year,
substantially all of which is attributed to the impacts of the lower charges for
amortization of acquired intangible assets and the insurance recovery noted
above.

Gross profit increased by $171 million for the six months ended January 1, 2021
from the comparable period in the prior year, which reflects the power outage
charges of $68 million incurred in the prior year compared to the $75 million
partial recovery in the current year, a $67 million decrease in charges in the
current year related to amortization expense on acquired intangible assets and
reduced manufacturing costs.

Gross margin increased approximately 10 percentage points for the six months
ended January 1, 2021 from the comparable period in the prior year,
substantially all of which is attributed to the impacts of the charges related
to the power outage incident in the prior year, the insurance recovery in the
current year and the lower charges for amortization of acquired intangible
assets noted above. Over the near term, we expect flash gross margin to benefit
from improved pricing and cost reductions while HDD gross margin is expected to
be constrained by the pricing environment for 16-terabyte drives, but we expect
improved gross margins over the longer term as we ramp production on higher
capacity drives.

Operating Expenses



Research and development ("R&D") expense decreased $43 million for the three
months ended January 1, 2021 from the comparable period in the prior year. The
decrease was driven, in comparable amounts, by lower compensation costs, lower
travel and entertainment expenses due to the COVID-19 restrictions, and a
decline in outside services. R&D expense decreased $62 million for the six
months ended January 1, 2021 from the comparable period in the prior year,
reflecting the drivers noted above for the quarter, as well as the impact of
additional expense in the prior year for the additional week in the prior year.

Selling, general and administrative ("SG&A") expense decreased $33 million for
the three months ended January 1, 2021 from the comparable period in the prior
year. The decrease was driven, in comparable amounts, by lower compensation
costs, lower travel and entertainment as a result of COVID-19 restrictions and
lower consulting and marketing expenses due to event cancellations. SG&A expense
decreased $82 million for the six months ended January 1, 2021 from the
comparable period in the prior year. Similar to the quarter, the decline was
driven, in comparable amounts, by lower compensation costs, lower travel and
entertainment as a result of COVID-19 restrictions and lower consulting and
marketing expenses due to event cancellations, as well as approximately $10
million of additional expense in the prior year related to the additional week.

Employee termination, asset impairment and other charges increased from the
comparable period in the prior year as we initiated incremental actions to align
our operations with current market demand. For information regarding employee
termination, asset impairment and other charges, see Part I, Item 1, Note 14,
Employee Termination, Asset Impairment and Other Charges, of the Notes to
Condensed Consolidated Financial Statements included in this Quarterly Report on
Form 10-Q.

Interest and Other Income (Expense)



The decreases in total interest and other expense, net for the three and six
months ended January 1, 2021 reflect lower interest expense resulting from lower
index rates and the pay-down of principal on our debt.
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Income Tax Expense



The Tax Cuts and Jobs Act (the "2017 Act") includes a broad range of tax reform
proposals affecting businesses. We completed our accounting for the tax effects
of the enactment of the 2017 Act during the second quarter of fiscal 2019.
However, the U.S. Treasury and the Internal Revenue Service ("IRS") have issued
tax guidance on certain provisions of the 2017 Act since the enactment date, and
we anticipate the issuance of additional regulatory and interpretive guidance.
We applied a reasonable interpretation of the 2017 Act along with the
then-available guidance in finalizing our accounting for the tax effects of the
2017 Act. Any additional regulatory or interpretive guidance would constitute
new information, which may require further refinements to our estimates in
future periods.

The following table sets forth income tax information from our Condensed Consolidated Statements of Operations by dollar and effective tax rate:


                                     Three Months Ended                     Six Months Ended
                              January 1,             January 3,      January 1,          January 3,
                                 2021                   2020            2021                2020
                                                         ($ in millions)
Income (loss) before taxes   $     85               $     (40)      $     82            $     (277)
Income tax expense                 23                      99             80                   138
Effective tax rate                 27   %                (248) %          98   %               (50) %



The primary drivers of the difference between the effective tax rate for the
three and six months ended January 1, 2021 and the U.S. Federal statutory rate
of 21% are the relative mix of earnings and losses by jurisdiction, the
deduction for foreign derived intangible income, credits, and tax holidays in
Malaysia, the Philippines and Thailand that will expire at various dates during
fiscal years 2021 through 2030. In addition, the effective tax rate for the
three and six months ended January 1, 2021 includes the discrete effects of
favorable adjustments proposed by tax authorities of $8 million. The effective
tax rate for the six months ended January 1, 2021 also includes the discrete
effects of net tax deficiencies from shortfalls of $12 million related to the
vesting of stock-based awards and additional tax expense of $10 million from the
re-measurement of deferred tax liabilities due to restructuring activities,
which have no impact on the amount of income taxes paid by us.

The primary driver of the difference between the effective tax rate for the
three and six months ended January 3, 2020 and the U.S. Federal statutory rate
of 21% are the relative mix of earnings and losses by jurisdiction, the
deduction for foreign derived intangible income, credits, and tax holidays in
Malaysia, Philippines and Thailand that expired or will expire at various dates
during fiscal years 2020 through 2030.

Our future effective tax rate is subject to future regulatory developments and
changes in the mix of our U.S. earnings compared to foreign earnings. Our total
tax expense in future fiscal years may also vary as a result of discrete items
such as excess tax benefits or deficiencies.

For additional information regarding Income tax expense (benefit), see Part I, Item 1, Note 12, Income Tax Expense, of the Notes to Condensed Consolidated Financial Statements included in this Quarterly Report on Form 10-Q.

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