WESTERN DIGITAL CORP
10-K, 1998-09-01
COMPUTER STORAGE DEVICES
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                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                            ------------------------
 
                                   FORM 10-K
 
      [X]   ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF
        THE SECURITIES EXCHANGE ACT OF 1934
 
                    FOR THE FISCAL YEAR ENDED JUNE 27, 1998
 
                                       OR
 
      [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF
       THE SECURITIES EXCHANGE ACT OF 1934

          FOR THE TRANSITION PERIOD FROM ____________ TO ____________
 
                         COMMISSION FILE NUMBER 1-8703
 
                          WESTERN DIGITAL CORPORATION
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)
 
<TABLE>
<CAPTION>
                        DELAWARE                                                 92-2647125
<S>                                                       <C>
             (STATE OR OTHER JURISDICTION OF                                  (I.R.S. EMPLOYER
             INCORPORATION OR ORGANIZATION)                                  IDENTIFICATION NO.)
 
                8105 IRVINE CENTER DRIVE                                            92618
                   IRVINE, CALIFORNIA                                            (ZIP CODE)
        (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)
</TABLE>
 
       REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE (949) 932-5000
 
              REGISTRANT'S WEB SITE: HTTP://WWW.WESTERNDIGITAL.COM
 
          SECURITIES REGISTERED PURSUANT TO SECTION 12(B) OF THE ACT:
 
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<CAPTION>
                                                                            NAME OF EACH EXCHANGE
                  TITLE OF EACH CLASS:                                      ON WHICH REGISTERED:
                  --------------------                                      ---------------------
<S>                                                       <C>
              COMMON STOCK, $.01 PAR VALUE                                 NEW YORK STOCK EXCHANGE
           RIGHTS TO PURCHASE SERIES A JUNIOR                              NEW YORK STOCK EXCHANGE
              PARTICIPATING PREFERRED STOCK
</TABLE>
 
        SECURITIES REGISTERED PURSUANT TO SECTION 12(g) OF THE ACT: NONE
 
     Indicate by check mark whether the Registrant: (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
Registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days.     YES  [X]     NO  [ ]
 
     Indicate by check mark if disclosure of delinquent filers pursuant to Item
405 of Regulation S-K is not contained herein, and will not be contained, to the
best of Registrant's knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K.     [X]
 
     As of July 25, 1998, the aggregate market value of the voting stock of the
Registrant held by non-affiliates of the Registrant was $1.0 billion.
 
     As of July 25, 1998, the number of outstanding shares of Common Stock, par
value $.01 per share, of the Registrant was 88,330,178.
 
                      DOCUMENTS INCORPORATED BY REFERENCE
 
     Information required by Part III is incorporated by reference to portions
of the Registrant's Proxy Statement for the 1998 Annual Meeting of Shareholders,
which will be filed with the Securities and Exchange Commission within 120 days
after the close of the 1998 fiscal year.
 
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                          WESTERN DIGITAL CORPORATION
 
                      INDEX TO ANNUAL REPORT ON FORM 10-K
                    FOR THE FISCAL YEAR ENDED JUNE 27, 1998
 
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<S>        <C>                                                           <C>
                                   PART I
 
Item 1.    Business....................................................    3
Item 2.    Properties..................................................   13
Item 3.    Legal Proceedings...........................................   13
Item 4.    Submission of Matters to a Vote of Security Holders.........   14
 
                                   PART II
 
Item 5.    Market for Registrant's Common Equity and Related
           Stockholder Matters.........................................   15
Item 6.    Selected Financial Data.....................................   15
Item 7.    Management's Discussion and Analysis of Financial Condition
           and Results of Operations...................................   16
Item 7A.   Quantitative and Qualitative Disclosures About Market
           Risk........................................................   27
Item 8.    Financial Statements and Supplementary Data.................   28
Item 9.    Changes in and Disagreements With Accountants on Accounting
           and Financial Disclosure....................................   48
 
                                  PART III
 
Item 10.   Directors and Executive Officers of the Registrant..........   48
Item 11.   Executive Compensation......................................   48
Item 12.   Security Ownership of Certain Beneficial Owners and
           Management..................................................   48
Item 13.   Certain Relationships and Related Transactions..............   48
 
                                   PART IV
Item 14.   Exhibits, Financial Statement Schedules, and Reports on Form
           8-K.........................................................   48
</TABLE>
 
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     THE INFORMATION CONTAINED IN THIS REPORT INCLUDES FORWARD-LOOKING
STATEMENTS. WHEN USED IN THIS REPORT, THE WORDS "ANTICIPATES," "BELIEVES,"
"EXPECTS," "INTENDS," "WILL," "FORECASTS," "PLANS," "FUTURE," "STRATEGY," OR
WORDS OF SIMILAR IMPORT ARE INTENDED TO IDENTIFY FORWARD-LOOKING STATEMENTS.
OTHER STATEMENTS OF THE COMPANY'S PLANS AND OBJECTIVES MAY ALSO BE CONSIDERED TO
BE FORWARD-LOOKING STATEMENTS. SUCH STATEMENTS ARE SUBJECT TO CERTAIN RISKS AND
UNCERTAINTIES WHICH COULD CAUSE ACTUAL RESULTS TO DIFFER MATERIALLY FROM THOSE
EXPRESSED IN THE FORWARD-LOOKING STATEMENTS. READERS ARE CAUTIONED NOT TO PLACE
UNDUE RELIANCE ON THESE FORWARD-LOOKING STATEMENTS, WHICH SPEAK ONLY AS OF THE
DATE HEREOF. THE COMPANY UNDERTAKES NO OBLIGATION TO PUBLISH REVISED
FORWARD-LOOKING STATEMENTS TO REFLECT EVENTS OR CIRCUMSTANCES AFTER THE DATE
HEREOF OR TO REFLECT THE OCCURRENCE OF UNANTICIPATED EVENTS. READERS ARE URGED
TO CAREFULLY REVIEW AND CONSIDER THE VARIOUS DISCLOSURES MADE BY THE COMPANY TO
ADVISE INTERESTED PARTIES OF CERTAIN RISKS AND OTHER FACTORS THAT MAY AFFECT THE
COMPANY'S BUSINESS AND OPERATING RESULTS, INCLUDING THE DISCLOSURES MADE UNDER
THE CAPTION "MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
RESULTS OF OPERATIONS" IN THIS REPORT, AS WELL AS THE COMPANY'S OTHER PERIODIC
REPORTS ON FORMS 10-K, 10-Q AND 8-K FILED WITH THE SECURITIES AND EXCHANGE
COMMISSION.
 
     The Company's fiscal year is a 52 or 53-week year ending on the Saturday
nearest June 30. The 1996, 1997 and 1998 fiscal years ended on June 29, June 28,
and June 27, respectively, and consisted of 52 weeks each.
 
     Unless otherwise indicated, references herein to specific years and
quarters are to the Company's fiscal years and fiscal quarters.
 
     The Company's principal executive offices are located at 8105 Irvine Center
Drive, Irvine, California 92618; its telephone number is (949) 932-5000 and its
web site is http://www.westerndigital.com. The information on the web site is
not incorporated in this report.
 
                                     PART I
 
ITEM 1. BUSINESS
 
GENERAL
 
     Western Digital Corporation (the "Company" or "Western Digital") designs,
develops, manufactures and markets a broad line of rigid magnetic disk drives
("hard drives") for use in desktop personal computers ("PCs") and, since 1997,
in high-performance workstations, LAN servers and multi-user ("enterprise")
systems. The Company is one of the top four independent manufacturers of hard
drives. It is a leading manufacturer of hard drives for desktop PCs, and it is
the Company's goal to become a leading manufacturer of hard drives for
enterprise systems. The Company's products currently include 3.5-inch form
factor hard drives ranging in storage capacity from 2.0 gigabytes ("GB") to 10.1
GB. The Company sells its products worldwide to original equipment manufacturers
("OEMs") for inclusion in their computer systems or subsystems, and to
distributors, resellers and retailers.
 
  Strategic Business Development
 
     In June 1998, the Company and IBM Corporation ("IBM") entered into a
broad-based hard drive component supply and technology licensing agreement ("IBM
Agreement"). The IBM Agreement enables the Company to incorporate IBM's
industry-leading technology, designs, and hard drive components into the
Company's desktop PC products while giving IBM the benefit of the Company's
high-volume manufacturing
 
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<PAGE>   4
 
expertise and improved access to the high-volume PC market for its heads and
drive components. Initially, the Company intends to combine IBM's research and
development with its own technology and manufacturing capabilities to design and
produce desktop PC hard drives that incorporate IBM's industry-leading giant
magneto-resistive ("GMR") heads. The Company expects these products to reach the
market within the first six months of calendar 1999. The IBM Agreement permits
the Company to utilize other technologies developed by IBM and to market
products incorporating IBM technologies, simultaneously with IBM's own use of
these technologies. The Company expects that access to IBM's hard drive research
and development will help the Company achieve its strategy of time-to-market and
time-to-volume leadership in the desktop PC hard drive market. The IBM Agreement
has a minimum three-year term and provides for extensions and licenses covering
new products, subject to negotiation by the parties of mutually agreeable terms.
The Company expects to purchase components for these hard drives from IBM and
other suppliers. In order to take advantage of the IBM relationship while
preserving the Company's own research and development capabilities, the
Company's desktop PC product development efforts will follow two concurrent
paths, one utilizing IBM technology, the other remaining independent of IBM
technology. These product development efforts will enable the Company to offer
market-leading products in the higher capacity and performance portions of the
desktop market as well as in the lower capacity, value oriented portion of the
desktop market. For further discussion of the IBM relationship, see
Products -- Desktop PC Products, Technology and Product Development, and Part
II, Item 7, Risk Factors Affecting the Company and/or the Hard Drive
Industry -- Technology License and Component Supply Transaction with IBM.
 
INDUSTRY
 
     The Company designs, develops, manufactures and markets hard drives for use
in the desktop PC and enterprise markets. Users of computer systems in both
markets are increasingly demanding additional data storage capacity with higher
performance in order to (i) use more sophisticated applications software
including database management, CAD/CAM/CAE, desktop publishing, video editing
and enhanced graphics applications, and (ii) operate in multi-user,
multitasking, and multimedia environments.
 
  Desktop PC Market
 
     The desktop component of the worldwide personal computing market
represented greater than 75% of all hard drives shipped by the industry in
calendar 1997. Over 90% of Western Digital's hard drive unit shipments in 1998
were sold to this market. Desktop personal computers for entry level to
experienced users are used in both commercial and consumer environments.
 
     The worldwide market for desktop hard drives experienced strong growth from
calendar 1993 through calendar 1997, with average unit growth of approximately
27% per year and average revenue growth of approximately 23% per year. Industry
sources expect continued double digit unit growth through calendar 2000,
although at lower than recent historical levels, but only single digit revenue
growth through calendar 2000. Current growth estimates are lower than last
year's estimates, reflecting the impact of recent industry oversupply and
competition. See Part II, Item 7, Risk Factors Affecting the Company and/or the
Hard Drive Industry -- Potential Impact of Changing Market Demands.
 
                 WORLDWIDE HARD DRIVE SHIPMENTS -- DESKTOP PCS
 
<TABLE>
<CAPTION>
                           1993     1994     1995     1996      1997     1998E    1999E     2000E
                           -----    -----    -----    -----    ------    -----    ------    ------
<S>                        <C>      <C>      <C>      <C>      <C>       <C>      <C>       <C>
Units (MM)...............   38.8     52.8     68.8     81.2     100.5      111     127.1     146.4
% Growth.................    N/A       36%      30%      18%       24%      10%       15%       15%
Revenues ($Bn)...........  $ 7.5    $ 9.8    $12.4    $14.4    $ 16.9    $17.5    $ 18.6    $ 20.4
% Growth.................    N/A       31%      27%      16%       18%       3%        6%       10%
</TABLE>
 
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Source: International Data Corporation, August 1998.
 
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<PAGE>   5
 
     Desktop PCs are used in a number of environments, ranging from homes to
businesses and multi-user networks. Software applications are primarily word
processing, spreadsheet, desktop publishing, database management, multimedia and
other related applications. Desktop PCs typically utilize the Enhanced
Integrated Drive Electronics ("EIDE") interface for their hard drives. The
Company believes the minimum storage requirements in the past year for
entry-level PCs were generally 1.6 GB to 3.2 GB of formatted capacity. The entry
level capacities continue to increase. In addition, users of PCs, especially
entry-level PCs, have become increasingly price sensitive. Many PC system
manufacturers have recently introduced lower-cost, lower-performance systems
principally for the consumer marketplace. These systems have generally been
priced below $1,000 and typically contain hard drives with lower capacity and
performance. The Company currently participates in this market only to a limited
extent.
 
     The market continues to demand increased capacity per unit as users' system
needs increase and technological and manufacturing advances continue to make
higher capacity drives more affordable. Industry sources believe that the trend
of increased storage capacity per unit shipped will continue for the foreseeable
future. As such, the Company believes that time-to-market, time-to-volume and
time-to-quality leadership with higher capacity drives at attractive price
levels is critical to its future success in serving this market.
 
  Enterprise Market
 
     Enterprise systems include high performance microcomputers, technical
workstations, servers and minicomputers. Applications operated by these systems
are characterized by compute-intensive and data-intensive solutions, such as
CAD/CAM/CAE, network management, larger database management systems, scientific
applications and small to medium-sized business applications such as materials
requirement planning, payroll, general ledger systems and related management
reports. Data integrity and rapid access to data are paramount in this
environment. Enterprise systems typically require hard drive storage capacities
of 4.0 GB and greater per drive, average seek times of less than 8 msec and
rotation speeds of 7,200 rpm to 10,000 rpm. Due to the leading edge
characteristics required by end-users of enterprise systems, manufacturers of
such systems emphasize performance as well as price as the key selling points.
Enterprise systems primarily use the Small Computer System Interface ("SCSI"),
although recently the Fibre Channel Arbitrated Loop ("FC-AL") interface is being
pioneered by some storage subsystem providers.
 
     The worldwide market for enterprise hard drives experienced strong growth
from calendar 1993 through calendar 1997, with average unit growth of
approximately 27% per year and average revenue growth of approximately 11% per
year. Unit growth declined in calendar 1997 as compared to prior years and
revenues decreased from 1996. Industry sources expect slower unit and revenue
growth through calendar 2000, with unit growth outpacing revenue growth. Current
growth estimates are lower than last year's estimates. See Part II, Item 7, Risk
Factors Affecting the Company and/or the Hard Drive Industry -- Potential Impact
of Changing Market Demands.
 
                  WORLDWIDE HARD DRIVE SHIPMENTS -- ENTERPRISE
 
<TABLE>
<CAPTION>
                                1993    1994    1995    1996     1997     1998E    1999E    2000E
                                ----    ----    ----    -----    -----    -----    -----    -----
<S>                             <C>     <C>     <C>     <C>      <C>      <C>      <C>      <C>
Units (MM)....................   5.3     7.2     9.2     11.4     13.6    15.0     17.2      20.1
% Growth......................   N/A      36%     28%      24%      19%     10%      15%       16%
Revenues ($Bn)................  $4.8    $5.4    $6.6    $ 7.3    $ 7.2    $7.5     $8.2     $ 9.1
% Growth......................   N/A      13%     22%      11%      -1%      5%       8%       11%
</TABLE>
 
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Source: International Data Corporation, August 1998.
 
PRODUCTS
 
     The Company's WD Caviar brand products are designed to serve the desktop PC
portion of the hard drive market and its WD Enterprise brand products are
designed to serve the enterprise portion.
 
                                        5
<PAGE>   6
 
  Desktop PC Products
 
     The WD Caviar family currently consists of 1.0" high, 3.5-inch form factor
products with capacities ranging from 2.0 GB to 10.1 GB. In July 1998, the
Company announced Data Lifeguard, an exclusive data reliability feature which
will be introduced in all versions of the 3.4 GB per platter hard drive
platform. Data Lifeguard, which the Company plans to implement in all future
desktop hard drives, protects end-user data by automatically detecting,
isolating, and repairing possible problem areas on the hard drive before data
loss can occur. The WD Caviar products utilize the EIDE interface, providing
high performance while retaining ease of use and overall low cost of connection.
 
     The WD Caviar product line generally leverages a common architecture or
"platform" for various products with different capacities to serve the differing
needs of the desktop PC market. This platform strategy results in commonality of
components across different products, which reduces exposure to changes in
demand, facilitates inventory management and allows the Company to achieve lower
costs through economies of scale purchasing. This platform strategy also enables
OEM customers to leverage their qualification efforts onto successive product
models.
 
     With the advent of the IBM relationship, the Company expects to maintain
two separate product development paths for the desktop market. One path will
integrate IBM technology, designs, and components to create products focused on
the higher end of the desktop market where capacity per system and performance
are most important. The other path will continue to utilize the Company's own
product platforms and technology to design desktop products independently of IBM
technology. These products will be focused on those portions of the market that
are most price sensitive, including the sub-$1,000 PC market. For the majority
of the desktop market, which product to produce and sell will be primarily
determined by the overall cost and performance attributes of the hard drive at
the particular capacity point as well as customer product transitions and
qualifications.
 
  Enterprise Products
 
     The Company began shipping WD Enterprise products in fiscal 1997. The
Company's current enterprise products offer storage capacities ranging from 2.1
GB to 9.1 GB, are 1.0" high, use the 3.5-inch form factor, feature seek times of
less than 8 msec, and are targeted at workstations, servers, multi-user systems
and storage subsystems. WD Enterprise products utilize the SCSI interface, (both
single-ended and low voltage differential) combined with a 7200 rpm spin rate to
provide the high performance required to meet the storage needs of enterprise
systems.
 
     In order to continue to grow its enterprise business, the Company must
expand its product offerings to include the full range of enterprise products
demanded by OEM customers. See "Technology and Product Development." The IBM
Agreement is not applicable to the Company's enterprise business, so enterprise
product development must be achieved through the Company's own technological
developments.
 
TECHNOLOGY AND PRODUCT DEVELOPMENT
 
     Hard drives are used to record, store and retrieve digital data. Their
performance attributes are currently better than removable or floppy disks,
optical disk drives and tape, and they are more cost effective than
semiconductor technology. The primary measures of hard drive performance
include:
 
          "Storage capacity" -- the amount of data that can be stored on the
     hard drive -- commonly expressed in gigabytes.
 
          "Average seek time" -- the time needed to position the heads over a
     selected track on the disk surface -- commonly expressed in milliseconds.
 
          "Internal data transfer rate" -- the rate at which data is transferred
     to and from the disk -- commonly expressed in megabits per second.
 
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<PAGE>   7
 
          "Spindle rotational speed" -- the rotational speed of the disks inside
     the hard drive -- commonly expressed in revolutions per minute.
 
     All of the Company's hard drive products employ similar technology
consisting of one or more rigid disks attached to a spindle assembly which
rotates the disks at a constant speed around a hub. The rate at which the disks
spin affects the drive performance -- generally, the faster the disks spin the
higher the performance. The disks, or media, are where the actual data is stored
and retrieved. Each disk typically consists of a substrate of finely machined
aluminum or glass on which is deposited a thin layer of magnetic material.
 
     One read/write head is generally associated with each side of each disk and
flies just above its surface. The heads are attached to arms that are linked
together to form the head stack assembly. Guided by instructions from the
internal controller, the head stack assembly is pivoted and swung across the
disk by a head actuator or motor until it reaches the selected track of a disk,
where the data is recorded or retrieved. The hard drive communicates with the
computer through its internal controller, which controls the drive and
interfaces with the host computer. Currently, the primary interface for desktop
PCs is EIDE, and for enterprise systems, SCSI. As performance improves, the hard
drive will need to deliver information faster than these current interfaces can
handle. Accordingly, enterprise systems have begun to incorporate the FC-AL
serial interface where very high data transfer rates are important, and the
desktop PC industry plans to transition to high speed serial interfaces such as
1394 to handle the higher data transfer rates. The Company is working to develop
products that will support the FC-AL and 1394 interfaces.
 
     Storage capacity of the hard drive is determined by the number of disks and
each disk's areal density, which is a measure of the amount of data that can be
stored on the recording surface of the disk. Areal density is generally measured
in megabits per square inch of disk surface. The higher the areal density, the
more information can be stored on a single platter. As the areal density
increases, fewer disks and/or heads are required to achieve a given drive
capacity. For example, a 5 GB drive with areal density of 2.1 GB per disk will
require three disks and five heads. With an areal density of 2.5 GB per disk,
the same capacity can be achieved with two disks and four heads, with resulting
component cost savings. The Company employs a range of advanced technologies to
achieve high densities, including PRML (Partial Response Maximum Likelihood)
read/write channels, advanced servo systems, and laser textured media.
 
     Head technology is one of the variables affecting areal density. The
desktop hard drive industry is completing a transition to MR head technology,
which allows significantly higher storage capacities than thin film head
technologies. Certain of the Company's competitors in the desktop hard drive
market moved more quickly than the Company into MR head technology, achieving
time-to-market leadership at higher capacity points. The Company pursued a
strategy of a more deliberate transition to this new technology in order to take
advantage of the hard drive industry's MR technology learning curve. In the
interim, the Company continued to refine and rely upon thin film head technology
for its products. The Company began volume shipments of its first MR-based hard
drive products for the desktop market in the first quarter of 1998, and
substantially completed its transition of desktop hard drives to MR head
technology by the end of 1998. The Company continues to manufacture drives with
thin film inductive heads for the lower capacity points of the enterprise
market.
 
     Constant innovations in research and development are essential to the
Company's ability to compete. In particular, the Company must continue to
develop hard drive products that deliver ever-increasing storage capacities.
Areal density improvement is essential to this effort because increased areal
density per platter helps manufacturers reduce component costs and maintain
average margins. The IBM Agreement is expected to help enable the Company to
provide market-leading products in the higher end of the desktop PC market, but
the Company must continue its own independent research and product development
efforts to compete in the enterprise and low-cost desktop PC markets.
 
     The Company must expand its product offerings in the enterprise market to
include half high (1.6" high), FC-AL interface, and 10,000 rpm drive products.
The Company's current line of enterprise products consists of SCSI low profile
1" high drives with capacity points up to 9.1 GBs. While these products address
approximately 70-80% of the enterprise market, that percentage is likely to
decrease as demand for FC-AL interface and 10,000 rpm drive products grows.
Technology available to the Company under the IBM
                                        7
<PAGE>   8
 
Agreement is limited to the desktop PC market and may not be used by the Company
in its enterprise products, so the Company's own research and development is
crucial to its success in the enterprise market. The Company is currently in the
product design and development phase of these additional enterprise products,
and expects to bring them to market during the next 18 months. If the Company is
unable to build its enterprise infrastructure quickly enough to support this
development schedule or encounters development delays or quality issues, it may
miss the time-to-market windows on these new enterprise products.
 
SALES AND DISTRIBUTION
 
     The Company sells its products globally to OEMs, OEM subcontractors
("ODMs"), distributors, value-added resellers, dealers, system integrators and
retailers. Sales to OEMs accounted for 68%, 72% and 69% of consolidated revenues
in fiscal years 1996, 1997 and 1998, respectively. Western Digital hard drives
are either incorporated into computer systems for resale or installed into end
user systems as upgrades.
 
     The business models of computer manufacturers, which account for the
majority of the Company's sales, are in the process of changing, and these
changes have impacted and will continue to impact Western Digital's sales,
inventory and distribution patterns. The forecast-driven, long-production-run
logistics model, which most of the computer industry has used, exposes OEMs and
others in the distribution chain to the risk of carrying excess or obsolete
component inventories. The historical model limits the OEMs' flexibility to
react to rapid technology changes and component pricing fluctuations. The
Company is beginning to experience a new customer supply chain logistics model
that combines "build-to-order" (OEM does not build until there is an order
backlog) and "channel assembly" (OEM or component suppliers provide kits and/or
parts to dealers or other assemblers who assemble the computers). The Company is
adapting its logistics model to effectively align with this industry shift.
Western Digital already operates within these models with two of its major OEM
customers. These changes will require greater skill in managing finished goods
inventory and may require more flexibility in manufacturing, both of which in
turn will require even closer relationships between the Company and its OEM
customers. For an additional discussion of the changes in customer models, refer
to Part II, Item 7, Risk Factors Affecting the Company and/or the Hard Drive
Industry -- Customer Concentration and Changing Customer Models.
 
     The Company maintains sales offices throughout North America, Eastern and
Western Europe, the Middle East, Japan and Southeast Asia. Field application
engineering is provided to strategic OEM accounts, and end-user technical
support services are provided within the United States and Europe. The Company's
end-user technical support is supplied by both employees and qualified
third-party support organizations through toll-free telephone support during
business hours in the United States, prepaid telephone cards in Europe and via
the Company's web site.
 
     The Company's major OEM customers include Apple Computer, Compaq Computer,
Dell Computer, Fujitsu, Gateway 2000, Hewlett-Packard, IBM, Intel, Micron
Electronics and NEC. During 1996 and 1997, sales to Gateway 2000 and IBM
accounted for 11% and 13% of revenues, respectively. During 1998, sales to
Compaq accounted for 14% of revenues. The Company believes that its success
depends on its ability to maintain and improve its strong OEM customer
relationships. OEMs use the quality, storage capacity and performance
characteristics of hard drives to select their hard drive providers. High volume
PC OEMs typically seek to qualify three or four providers for a given hard drive
product generation; enterprise OEMs typically seek to qualify two or three. To
qualify consistently with OEMs, a hard drive provider must consistently execute
on its product development and manufacturing processes in order to be among the
first-to-market and first-to-volume production with each product generation
(typically defined by form factor, areal density, capacity, interface and
spindle speed). Once an OEM has chosen its qualified hard drive vendors for a
given product, it generally will purchase hard drives from those vendors for the
life of that product. If a qualification opportunity is missed, the Company may
lose significant market share with that OEM until the next generation of
products is introduced. The effect of missing a product qualification
opportunity is magnified by the limited number of high volume OEMs, most of
which continue to consolidate their share of the PC and enterprise markets.
Sales to any particular OEM may increase or decrease from year to year, and
historical sales levels are not necessarily indicative of future results. For an
additional discussion of customer
 
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<PAGE>   9
 
concentration, see Part II, Item 7, Risk Factors Affecting the Company and/or
the Hard Drive Industry -- Customer Concentration and Changing Customer Models.
 
     The Company also sells its products through its sales force to selected
resellers, which include major distributors, value-added resellers and mass
merchandisers. The Company's major distributor customers include Decision
Support Systems, Frank and Walter, Ingram Micro, Loeffelhardt, Marshall
Industries, Supercom, Synnex, and Tech Data. Major mass merchandiser customers
include Best Buy, Circuit City, Comp USA, Computer City, Office Depot, and Sam's
Club. In accordance with standard industry practice, the Company's agreements
with its resellers provide price protection for inventories held by the
resellers at the time of published list price reductions and, under certain
circumstances, stock rotation for slow-moving items. These agreements may be
terminated upon written notice by either party. In the event of termination, the
Company may be obligated to repurchase a certain portion of the resellers'
inventory.
 
     The Company's international sales, which include sales to foreign
subsidiaries of U.S. companies, represented 51%, 47% and 43% of revenues for
fiscal years 1996, 1997 and 1998, respectively. Sales to international customers
may be subject to certain risks not normally encountered in domestic operations,
including exposure to tariffs, various trade regulations and fluctuations in
currency exchange rates. See Part II, Item 7, Risk Factors Affecting the Company
and/or the Hard Drive Industry -- Foreign Sales and Manufacturing Risks.
 
     For information concerning revenue recognition, sales by geographic region
and significant customer information, see Notes 1 and 7, respectively, of Notes
to Consolidated Financial Statements.
 
     The Company's marketing and advertising functions are performed both
internally and through outside firms. Advertising, direct marketing, worldwide
packaging and marketing materials are targeted to various end-user segments.
Western Digital utilizes both consumer media and trade publications. The Company
has programs under which qualifying resellers and OEMs are reimbursed for
certain advertising expenditures. Western Digital has also invested in direct
marketing and customer satisfaction programs. The Company maintains ongoing
contact with end users through primary and secondary market research, focus
groups, product registrations and technical support databases.
 
COMPETITION
 
     The hard drive industry is intensely competitive. Hard drives manufactured
by different competitors are highly substitutable due to the industry mandate of
technical form, fit and function standards. Hard drive manufacturers compete on
the basis of product quality and reliability, storage capacity, unit price,
product performance, production volume capabilities, delivery capability,
leadership in time-to-market, time-to-volume and time-to-quality and ease of
doing business. The relative importance of these factors varies among different
customer and market segments. The Company believes that it is generally
competitive in all of these factors. The Company believes that in the hard drive
business it cannot differentiate its products solely on attributes such as
storage capacity; therefore, the Company also differentiates itself by designing
and incorporating into its hard drives desirable product performance attributes
and by emphasizing rapid response with its OEM and distribution customers and
brand equity with its end users. These product performance attributes include
seek time, data transfer rates, failure prediction, remote diagnostics and data
recovery. Rapid response requires accelerated design cycles, customer delivery
and production flexibility, which contribute to customer satisfaction. Brand
equity is a relatively new concept for the hard drive industry. However, as data
storage has become strategically critical for computer end users, the Company
believes that trust in a manufacturer's reputation has become an important
factor in the selection of a hard drive, particularly within such a rapidly
changing technology environment.
 
     During 1996 and 1997, the Company significantly increased its market share
in the desktop hard drive market. The Company's market share eroded in 1998,
primarily due to competitive conditions in the disk drive industry (with
resulting cut backs in production), the timing of the Company's transition from
thin film to MR head technology and certain manufacturing and performance issues
encountered as the Company pushed thin film head technology to its limits. There
can be no assurance that the Company will be able to recover recent market share
losses or avoid further erosion of market share. Seagate, Quantum, IBM, Maxtor,
Fujitsu
                                        9
<PAGE>   10
 
and Samsung are the Company's major competitors in the data storage business,
and Maxtor, Fujitsu and Samsung have recently gained significant market share in
the desktop market.
 
     The desktop market is characterized by more competitors and shorter product
life cycles than the enterprise market; therefore, it has traditionally been
subject to periods of severe price competition, and factors such as
time-to-market can have a more pronounced effect on the success of any
particular product.
 
     The enterprise portion of the hard drive market is more concentrated than
the desktop portion, with the largest competitor, Seagate, having market share
in excess of 50% until the recent entrance of Quantum and the Company as
competitors. The other major competitors in this market are IBM and Fujitsu.
With the addition of Quantum and the Company as competitors, price competition
in the enterprise market has increased, and the Company expects that it will
continue to increase. Introduction of the WD Enterprise drives into the
enterprise market has been successful to date because of high product quality,
competitive product performance and the Company's ability to leverage its
customer and supplier relations from the desktop market; however, the Company's
continued success in the enterprise storage market is heavily dependent on the
successful development, timely introduction and market acceptance of new
products.
 
     For an additional discussion of competition, see Part II, Item 7, Risk
Factors Affecting the Company and/or the Hard Drive Industry -- Highly
Competitive Industry.
 
SERVICE AND WARRANTY
 
     Western Digital warrants its newly manufactured desktop products against
defects in materials and workmanship for a period of three years from the date
of sale. The Company's enterprise storage products have similar warranties for a
period of five years from the date of sale. The Company's warranty obligation is
generally limited to repair or replacement. The Company refurbishes or repairs
its products at in-house service facilities located in Singapore and at a
third-party return facility located in Germany. As a response to the large
increase in theft of high technology products and in an effort to deter the sale
of Western Digital products on the "black market," the Company does not warrant
product which is stolen.
 
MANUFACTURING
 
     To be competitive, Western Digital must manufacture significant volumes of
high quality hard drives at low unit cost. One of the essential requirements for
the Company to benefit from the IBM Agreement will be its ability to utilize its
own high-volume manufacturing technologies for products based upon IBM
technologies, which historically have not been developed for high volume
production. The Company strives to maintain manufacturing flexibility, rapidly
achieve high manufacturing yields and acquire high-quality components in
required volumes at competitive prices. The critical elements of Western
Digital's hard drive production are high volume, low cost assembly, and testing
and establishment and maintenance of key vendor relationships in order to create
"virtual vertical integration." By establishing partner relationships with many
of its key strategic component suppliers, the Company believes it is able to
access "best-of-class" manufacturing quality without the substantial capital
investment associated with actual vertical integration. In addition, the Company
believes that its virtual vertical integration model enables it to have the
business flexibility needed to select the highest quality low cost suppliers as
product designs and technologies evolve.
 
     Hard drive manufacturing is a complex process involving the assembly of
precision components with narrow tolerances and extensive testing to ensure
reliability. The assembly process occurs in a "clean room" environment which
demands skill in process engineering and efficient utilization of the "clean
room" layout in order to reduce the high operating costs of this manufacturing
environment. In 1998 the Company experienced decreases in manufacturing yields
as a result of tighter manufacturing tolerances associated with extending the
use of thin film heads in higher capacity drives as thin film technology reached
its technical limits. With the completed transition to MR head technology for
desktop PC hard drives, the Company has recently increased its factory yields on
desktop PC hard drives to its historically high levels.
 
     The Company produces hard drives in its three plants, two in Singapore and
one in Malaysia. These plants have responsibility for all hard drives in volume
production, including manufacturing, purchasing,
 
                                       10
<PAGE>   11
 
inventory management, assembly, testing, quality assurance and shipping of
finished units. The Company purchases most of the standard mechanical components
and micro controllers for its hard drives from external suppliers, although the
Company has a media manufacturing facility in Northern California which supplies
a significant portion of its media requirements. The Company's media
manufacturing facility runs substrates, acquired from third party vendors,
through various manufacturing processes of layering, coating and lubricating in
order to achieve the proper degree of final surface smoothness. After conducting
final quality assurance tests, the media plant delivers finished media to the
Company's overseas manufacturing facilities.
 
     The Company continually evaluates its manufacturing processes in an effort
to increase productivity and decrease manufacturing costs. In order to address
inventory oversupply, the Company has implemented production cutbacks in its
manufacturing facilities and is now carrying excess manufacturing capacity that
must be addressed through production increases or plant closure. The Company
believes that more automated manufacturing processes may be required in the
future in order to be competitive in the hard drive industry and evaluates which
steps in the manufacturing process would benefit from automation and how
automated manufacturing processes support the Company's business plans.
 
     For an additional discussion of manufacturing, see Part II, Item 7, Risk
Factors Affecting the Company and/or the Hard Drive Industry -- Foreign Sales
and Manufacturing Risks.
 
RESEARCH AND DEVELOPMENT
 
     The Company devotes substantial resources to development of new products
and improvement of existing products. The Company focuses its engineering
efforts on coordinating its product design and manufacturing processes in order
to bring its products to market in a cost-effective and timely manner. Research
and development expenses totaled $150.1, $150.2 and $203.7 million in 1996, 1997
and 1998, respectively. Research and development expenditures included $24.5
million for microcomputer products in 1996 and approximately $22.0 million,
primarily related to the initiation of the IBM relationship, in 1998. The
microcomputer businesses were sold in 1996. Recurring research and development
expenditures for hard drive products increased by approximately $24.6 million
from 1996 to 1997 and by $31.5 million from 1997 to 1998.
 
     For a discussion of product development, see Part II, Item 7, Risk Factors
Affecting the Company and/or the Hard Drive Industry -- Rapid Technological
Change and Product Development.
 
MATERIALS AND SUPPLIES
 
     The principal components currently used in the manufacture of the Company's
hard drives are magnetic heads and related head stack assemblies, media,
controllers, spindle motors and mechanical parts used in the head-disk assembly.
In addition to its own proprietary semiconductor devices, the Company also uses
standard semiconductor components such as logic, memory and microprocessor
devices obtained from other manufacturers and a wide variety of other parts,
including connectors, cables, and switches.
 
     Unlike some of its competitors, except for a portion of its media
requirements, the Company acquires all of the components for its products from
third-party suppliers. In general, the Company tries to have at least two or
three suppliers for each of its component requirements. For example, the Company
currently buys MR heads from IBM, Read-Rite and SAE. IBM will supply all of the
heads for the Company's desktop PC hard drives incorporating IBM technology
under the IBM Agreement. Media requirements not fulfilled internally are
purchased through several outside vendors including Komag, Trace Storage, HMT
Technology and Showa Denko. The Company purchases proprietary finished
integrated circuits, which are designed by the Company, from SGS-Thomson and
other externally designed integrated circuits from other sources.
 
     For an additional discussion of component supplies, see Part II, Item 7,
Risk Factors Affecting the Company and/or the Hard Drive Industry -- Dependence
on Suppliers of Components.
 
BACKLOG
 
     At August 7, 1998, the Company's backlog, consisting of orders scheduled
for delivery within the next twelve months, was approximately $270 million,
compared with a backlog at August 15, 1997 of approxi-
                                       11
<PAGE>   12
 
mately $620 million. Historically, a substantial portion of the Company's orders
has been for shipments within 30 to 60 days of the placement of the order. The
Company generally negotiates pricing, order lead times, product support
requirements and other terms and conditions prior to receiving an OEM's first
purchase order for a product. OEM purchase orders typically may be canceled with
relatively short notice to the Company, subject to payment of certain costs, or
modified by customers to provide for delivery at a later date. Also, certain of
the Company's sales to OEMs are made under "just-in-time" delivery contracts
that do not generally require firm order commitments by the customer until the
time of sale. Therefore, backlog information as of the end of a particular
period is not necessarily indicative of future levels of the Company's revenue
and profit and may not be comparable to earlier periods.
 
PATENTS, LICENSES AND PROPRIETARY INFORMATION
 
     The Company owns numerous patents and has many patent applications in
process. The Company believes that, although its patents and patent applications
have significant value, the successful manufacturing and marketing of its
products depends primarily upon the technical competence and creative ability of
its personnel. Accordingly, the patents held and applied for do not assure the
Company's future success.
 
     In addition to patent protection of certain intellectual property rights,
the Company considers elements of its product designs and processes to be
proprietary and confidential. The Company believes that its nonpatentable
intellectual property, particularly some of its process technology, is an
important factor in its success. Western Digital relies upon employee,
consultant, and vendor non-disclosure agreements and a system of internal
safeguards to protect its proprietary information. Despite these safeguards,
there is a risk that competitors may obtain and use such information. The laws
of foreign jurisdictions in which the Company does business also may provide
less protection for confidential information than the United States.
 
     The Company relies on certain technology that is licensed from other
parties in order to manufacture and sell its products. The Company has
cross-licensing agreements with several competitors, customers, and suppliers,
and the Company believes that it has adequate licenses and other agreements in
place in addition to its own intellectual property portfolio to compete
successfully in the hard drive industry.
 
     From time to time, the Company receives claims of alleged patent
infringement or notice of patents from patent holders which typically contain an
offer to grant the Company a license. It is the Company's policy to evaluate
each claim and, if appropriate, enter into a licensing arrangement on
commercially reasonable terms. However, there is no assurance that such licenses
are presently obtainable, or if later determined to be required, could be
obtained.
 
     For additional discussion of intellectual property, see Part II, Item 7,
Risk Factors Affecting the Company and/or the Hard Drive
Industry -- Intellectual Property.
 
ENVIRONMENTAL REGULATION
 
     The Company is subject to a variety of regulations in connection with its
operations. It believes that it has obtained or is in the process of obtaining
all necessary permits for its domestic operations.
 
EMPLOYEES
 
     As of July 25, 1998, the Company employed a total of 13,045 full-time
employees worldwide. This represents a reduction in headcount of approximately
20% since November 1997, as the Company responded to the industry downturn and
its decrease in sales. The Company employed 2,757 employees in the United
States, of whom 1,267, 531 and 959 were engaged in engineering, sales and
administration, and manufacturing, respectively. The Company employed 4,816
employees at its hard drive manufacturing facilities in Malaysia, 5,314 at its
hard drive manufacturing facilities in Singapore, and 158 at its international
sales offices.
 
     Many of the Company's employees are highly skilled, and the Company's
continued success depends in part upon its ability to attract and retain such
employees. In an effort to attract and retain such employees, the Company
continues to offer employee benefit programs which it believes are at least
equivalent to those offered by its competitors. Despite these programs, the
Company has, along with most of its competitors,
                                       12
<PAGE>   13
 
experienced difficulty at times in hiring and retaining certain skilled
personnel. In critical areas, the Company has utilized consultants and contract
personnel to fill these needs until full-time employees could be recruited. The
Company has never experienced a work stoppage, none of its domestic employees
are represented by a labor organization, and the Company considers its employee
relations to be good.
 
ITEM 2. PROPERTIES
 
     The Company's headquarters, located on leased property in Irvine,
California (expires in June, 2000), house management, research and development,
administrative and sales personnel. The Company also leases facilities in San
Jose, California, and Rochester, Minnesota for research and development
activities. The Company operates two hard drive manufacturing facilities in
Singapore. One Singapore facility is leased and is used to produce desktop hard
drives. The other Singapore facility is owned and is used to produce enterprise
hard drives. Western Digital also owns a hard drive manufacturing facility in
Kuala Lumpur, Malaysia which provides the Company with additional capacity to
produce desktop hard drives. The Company's media processing facilities are
located on leased property in Santa Clara, California. The leases referenced
above expire at various times beginning in 1998 through 2015. The Company owns
approximately 34 acres of land in Irvine, California on which it intends to
construct a new corporate headquarters within the next two years.
 
     The Company also leases office space in various other locations throughout
the world primarily for sales and technical support. The Company's present
facilities are adequate for its current needs, although the process of upgrading
its facilities to meet technological and market requirements is expected to
continue. The hard drive industry does not generally require long lead time to
develop and begin operations in new manufacturing facilities.
 
ITEM 3. LEGAL PROCEEDINGS
 
     The Company was sued by Amstrad PLC ("Amstrad") in December 1992 in Orange
County Superior Court. The complaint alleges that hard drives supplied by the
Company in calendar 1988 and 1989 were defective and caused damages to Amstrad
of $186.0 million in out-of-pocket expenses, lost profits, injury to Amstrad's
reputation and loss of goodwill. The Company filed a counterclaim for $3.0
million in actual damages in addition to exemplary damages in an unspecified
amount. The Company believes that it has meritorious defenses to Amstrad's
claims and intends to vigorously defend itself against the Amstrad claims and to
press its claims against Amstrad in this action. The case is scheduled for trial
in September 1998. Although the Company believes that the final disposition of
this matter will not have an adverse effect on the Company's financial condition
or operating results, if Amstrad were to prevail on its claims, a judgment for a
material amount could be awarded against the Company.
 
     On June 10, 1994, Papst Licensing ("Papst") brought suit against the
Company in the United States District Court for the Central District of
California alleging infringement by Western Digital of five hard drive motor
patents owned by Papst. The patents relate to disk drive motors that the Company
purchases from motor vendors. On December 1, 1994, Papst dismissed its case
without prejudice but has notified the Company that it intends to reinstate the
suit if the Company does not agree to enter into a license agreement with Papst.
Papst has also put the Company on notice with respect to several additional
patents. The Company does not believe that the outcome of this matter will have
an adverse effect on its financial condition or operating results.
 
     Between December 12, 1997 and February 24, 1998, eight class action suits
were filed against the Company and certain of its officers and directors. The
plaintiffs in the actions purport to represent purchasers of the Company's
common stock during various periods ranging from July 25, 1996, through December
2, 1997 (collectively, the "Class Periods"). The complaints allege that the
Company issued false and misleading statements during the respective Class
Periods concerning the outlook for the Company's operations and earnings and
that the Company issued false and misleading financial statements in fiscal
years 1996 and 1997 by improperly deferring the write-down of obsolete
inventory. The complaints seek compensatory damages for the purported class
members in an unspecified amount. The Court ordered the cases consolidated and
designated the plaintiffs in the first case filed as the lead plaintiffs and the
law firm representing such plaintiffs
 
                                       13
<PAGE>   14
 
as lead counsel. The Company filed a motion to dismiss the amended consolidated
complaint which was granted by the Court with prejudice.
 
     The Company is also subject to other legal proceedings and claims which
arise in the ordinary course of business. Although occasional adverse decisions
or settlements may occur, the Company believes that the final disposition of
such matters will not have an adverse effect on its financial condition or
operating results.
 
ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS
 
     No matters were submitted to a vote of security holders during the fourth
quarter of 1998.
 
EXECUTIVE OFFICERS OF THE REGISTRANT
 
     The names, ages and positions of all the executive officers of the Company
as of August 20, 1998 are listed below, followed by a brief account of their
business experience during the past five years. Executive officers are normally
appointed annually by the Board of Directors at a meeting of the directors
immediately following the Annual Meeting of Shareholders. There are no family
relationships among these officers nor any arrangements or understandings
between any officer and any other person pursuant to which an officer was
selected.
 
<TABLE>
<CAPTION>
                  NAME                     AGE                       POSITION
                  ----                     ---                       --------
<S>                                        <C>   <C>
Charles A. Haggerty......................  56    Chairman of the Board, President and Chief
                                                 Executive Officer
Matthew E. Massengill....................  37    Executive Vice President and General Manager,
                                                 Personal Storage Division
Marc H. Nussbaum.........................  42    Senior Vice President, Advanced Development &
                                                 Chief Technical Officer
David W. Schafer.........................  45    Senior Vice President, Worldwide Sales
Russell R. Stern.........................  42    Senior Vice President, Engineering, Personal
                                                 Storage Division
Duston M. Williams.......................  40    Senior Vice President and Chief Financial Officer
Michael A. Cornelius.....................  56    Vice President, Law and Administration, and
                                                 Secretary
Steven M. Slavin.........................  47    Vice President, Taxes and Treasurer
Jack Van Berkel..........................  38    Vice President, Human Resources
</TABLE>
 
     Messrs. Haggerty, Massengill, Nussbaum, Schafer, Slavin and Williams have
been employed by the Company for more than five years and have served in various
executive capacities with the Company before being appointed to their present
positions.
 
     Mr. Cornelius joined the Company in his current position in January 1995.
Prior to joining the Company, he held the position of Vice President of
Corporate Affairs for Nissan North America for two years.
 
     Mr. Stern joined the Company in November 1994 as Vice President, New
Product Introductions. He also served as Vice President, Asian Operations for
the Personal Storage Division. He was promoted to his current position in July
1998. Immediately prior to joining the Company, he served as Vice President,
Asian Operations for MiniStor Peripherals Corporation.
 
     Mr. Van Berkel joined the Company in January 1995 as Director of Human
Resources for the Personal Storage Division and was promoted to his current
position in May 1997. Prior to joining the Company, he served as Vice President
of Human Resources for Walker Interactive Systems for five years.
 
                                       14
<PAGE>   15
 
                                    PART II
 
ITEM 5. MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER MATTERS
 
     Western Digital's common stock is listed on the New York Stock Exchange
("NYSE") under the symbol "WDC." The approximate number of holders of record of
common stock of the Company as of July 25, 1998 was 3,758.
 
     The Company has not paid any cash dividends on its common stock and does
not intend to pay any cash dividends in the foreseeable future. The Company's
line of credit agreement prohibits the payment of cash dividends.
 
     The high and low sales prices (retroactively adjusted for the two-for-one
stock split effected as a stock dividend in June 1997) of the Company's common
stock, as reported by the NYSE, for each quarter of 1997 and 1998 are as
follows:
 
<TABLE>
<CAPTION>
                                                       FIRST     SECOND     THIRD    FOURTH
                                                       -----     ------     -----    ------
<S>                                                   <C>      <C>       <C>      <C>
1997
  High..............................................  $20 5/8   $31 11/16  $38 5/8   $37 1/8
  Low...............................................    9 15/16  19 3/16    26 1/4    26 5/16
1998
  High..............................................  $54 3/4   $49 9/16   $20 7/16  $22 1/16
  Low...............................................   30 5/8    14 1/2     14 3/4    10 1/4
</TABLE>
 
ITEM 6. SELECTED FINANCIAL DATA
 
FINANCIAL HIGHLIGHTS
 
<TABLE>
<CAPTION>
                                                       YEARS ENDED
                                 --------------------------------------------------------
                                 JUNE 30,    JULY 1,     JUNE 29,    JUNE 28,    JUNE 27,
                                   1994        1995        1996        1997        1998
                                 --------    --------    --------    --------    --------
                                    (IN MILLIONS, EXCEPT PER SHARE AND EMPLOYEE DATA)
<S>                              <C>         <C>         <C>         <C>         <C>
Revenues, net..................  $1,539.7    $2,130.9    $2,865.2    $4,177.9    $3,541.5
Gross profit...................     317.9       394.1       382.1       650.3       100.1
Operating income (loss)........      91.9       133.0        77.5       301.6      (295.8)
Net income (loss)..............  $   73.1    $  123.3    $   96.9    $  267.6    $ (290.2)
Earnings (loss) per share:
  Basic........................  $    .93    $   1.34    $   1.05    $   3.07    $  (3.32)
  Diluted......................  $    .86    $   1.23    $   1.01    $   2.86    $  (3.32)
Working capital................  $  261.7    $  360.5    $  280.2    $  364.2    $  463.5
Total assets...................  $  640.5    $  858.8    $  984.1    $1,307.1    $1,442.7
Total long-term debt...........  $   58.6    $     --    $     --    $     --    $  519.2
Shareholders' equity...........  $  288.2    $  473.4    $  453.9    $  620.0    $  317.8
Number of employees............     6,593       7,647       9,628      13,384      13,286
</TABLE>
 
No cash dividends were paid for the years presented.
 
                                       15
<PAGE>   16
 
ITEM 7.MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
       OF OPERATIONS
 
OVERVIEW
 
     Western Digital is a leading supplier of hard drives for desktop and
enterprise computers. The hard drive industry is intensely competitive and has
experienced a great deal of growth, entry and exit of firms, and technological
change over the past several years. This industry is characterized as a
high-tech commodity business with short product life cycles, dependence upon
highly skilled engineering and other personnel, significant expenditures for
product development and recurring periods of under and over supply.
 
     The Company's operating results during 1998 deteriorated primarily as a
result of increased competition, particularly in the desktop storage market, and
operating issues resulting from an accelerated transition from thin film
recording head technology to MR head technology. Although the business
environment was challenging in 1998, the Company continued to invest
significantly in its desktop and enterprise hard drive businesses.
 
     In June 1998, the Company entered into a broad-based hard drive component
supply and technology licensing agreement with IBM ("IBM Agreement") for its
desktop PC products. As a result of the IBM Agreement, the Company expects to
begin shipping desktop hard drives featuring GMR heads in the first six months
of calendar 1999. The Company anticipates that these hard drives will augment
Western Digital's product offerings thereby improving its competitiveness in
terms of time-to-market, time-to-capacity and cost.
 
     The Company has invested heavily in its enterprise storage business over
the past few years and has built its share of this market to approximately 8% as
of the end of 1998. The Company is planning a significant increase in its
research and development spending during 1999 to transform Western Digital into
a full-line supplier of enterprise hard drives by the middle of 2000. The
Company expects that having a full product line will help attract new OEM
customers, thereby increasing sales and operating profit.
 
RESULTS OF OPERATIONS
 
  Comparison of 1996, 1997 and 1998
 
     In 1996, the Company reported net income of $96.9 million compared with net
income of $267.6 million for 1997 and a net loss of $290.2 million for 1998. The
increase in operating income from 1996 to 1997 resulted from a 46% increase in
revenues, a two percentage point increase in gross margin, and a two percentage
point decline in operating expenses as a percentage of revenues. The
deterioration in operating performance from 1997 to 1998 occurred because of a
15% decrease in revenues, a 13 percentage point decline in gross profit margin
and a three percentage point increase in operating expenses as a percentage of
revenues. Net income for 1996 included a one-time, pre-tax gain of $17.3 million
on the sale of the Company's multimedia products business. The net loss in 1998
included special charges of $148 million recorded in the second quarter,
primarily to cost of sales, and $22 million of costs recorded in the fourth
quarter to research and development ("R&D") principally related to the start-up
of the IBM Agreement. The $148 million of special charges include estimated
component cancellation charges, inventory and other asset write-downs, costs
incurred on terminated mobile PC engineering programs, and other estimated
incremental costs related to the production, sale, and accelerated wind-down of
thin film products and ramp-up of products with MR heads.
 
     Sales of hard drive products were $2.8, $4.2 and $3.5 billion in 1996, 1997
and 1998, respectively. Beginning in 1997, 100% of the Company's revenues were
generated from the sale of hard drive products. Unit shipments increased 51%
from 1996 to 1997, but declining average selling prices ("ASP") reduced the 1996
to 1997 hard drive revenue growth rate to 49%. The higher unit volume in 1997
primarily resulted from increased business with OEMs and, to a lesser extent,
incremental unit shipments to resellers. Also in 1997, the Company began
shipping products from its enterprise storage product line. During 1998, unit
shipments decreased 6% which, combined with reductions in the ASPs of hard drive
products due to an intensely competitive hard drive business environment,
resulted in a 15% decline in hard drive revenues from 1997.
 
                                       16
<PAGE>   17
 
     Gross profit margins were as follows:
 
<TABLE>
<CAPTION>
                                                         1996    1997    1998
                                                         ----    ----    ----
<S>                                                      <C>     <C>     <C>
Hard drive products....................................  12.8%   15.6%   2.8%
Microcomputer products.................................  36.8%     --%    --%
Overall................................................  13.3%   15.6%   2.8%
</TABLE>
 
     The increase in gross profit margin for hard drive products in 1997 was
primarily the result of a change in sales mix to a greater percentage of higher
capacity desktop storage products combined with initial shipments of enterprise
storage products. The Company began shipping products from its enterprise
storage product line in 1997. These products have a higher average gross margin
percentage than the Company's desktop storage products. Also contributing to the
improvement in gross profit margin for hard drive products were year-over-year
reductions in the average cost of the Company's desktop storage products.
 
     The reduction in gross profit margin in 1998 was primarily related to
unusually severe competitive pricing pressures experienced in the desktop
storage market during the last three quarters of 1998. The Company also
experienced higher assembly costs associated with extending the life of thin
film head technology in desktop storage products and the accelerated transition
to hard drives utilizing MR heads. The $148 million of special charges recorded
in the second quarter of 1998 also contributed to the decline in gross profit
margin. Partially offsetting these amounts were incremental sales of the
Company's higher margin enterprise storage products.
 
     R&D expense was $150.1 million, or 5.2% of revenues, $150.2 million, or
3.6% of revenues, and $203.7 million, or 5.8% of revenues in 1996, 1997 and
1998, respectively. R&D expense remained consistent from 1996 to 1997 as higher
expenditures incurred to develop desktop, enterprise and mobile hard drive
products were offset by the elimination of expenditures related to the MCP
businesses which were sold in 1996. R&D expenses declined as a percentage of
revenues primarily as a result of the higher revenue base in 1997 as compared to
1996. The increase in absolute dollars spent from 1997 to 1998 was primarily
associated with higher expenditures to support the development of hard drives
for the desktop and enterprise storage markets and certain costs recorded in the
fourth quarter related principally to the start-up of the IBM Agreement.
 
     Selling, general and administrative expenses ("SG&A") were $154.5 million,
or 5.4% of revenues, $198.5 million, or 4.8% of revenues and $192.1 million, or
5.4% of revenues, in 1996, 1997 and 1998, respectively. The increase in the
absolute dollars of SG&A expenses from 1996 to 1997 was primarily due to
incremental selling, marketing and other related expenses in support of the
higher revenue levels and higher expenditures for the Company's
pay-for-performance and profit sharing plans. The decline in SG&A expenses as a
percentage of revenues in 1997 was primarily due to the higher revenue base in
1997. The decrease in SG&A expense from 1997 to 1998 was primarily the result of
lower expenses for the Company's pay-for-performance and profit sharing plans,
partially offset by higher expenses associated with implementing the Company's
new computer information systems.
 
     Net interest income was $13.1, $13.2 and $3.8 million in 1996, 1997 and
1998, respectively. The decline in net interest income from 1997 to 1998 was
primarily attributable to interest expense incurred on the Company's recently
funded long-term debt consisting of a $50.0 million term loan, which is part of
the Company's revolving credit and term loan facility ("Senior Bank Facility"),
and accrual of original issue discount on the Company's convertible subordinated
debentures due 2018 ("Debentures"). No debt was outstanding during either of the
comparable periods. Partially offsetting this decrease was incremental interest
income earned on the cash and cash equivalents balance in 1998, which was higher
than historical levels due to the proceeds from the sale of the Debentures and
borrowings under the Senior Bank Facility.
 
     The Company's effective tax rate for 1996 and 1997 resulted primarily from
the earnings of certain subsidiaries which are taxed at substantially lower tax
rates as compared with United States statutory rates and changes in the deferred
tax asset valuation allowance (see Note 5 of Notes to Consolidated Financial
Statements). The increase in the tax rate from 1996 to 1997 reflects a change in
earnings among the Company's subsidiaries operating in various tax
jurisdictions. The income tax benefit recorded in 1998
 
                                       17
<PAGE>   18
 
represents the expected benefit of loss carrybacks, partially offset by
provisions for income taxes recorded in certain jurisdictions that had positive
earnings.
 
ECONOMY OF ASIAN COUNTRIES
 
     Several Asian countries recently have had large economic downturns and
significant declines in the value of their currencies relative to the U.S.
Dollar. The "Asian crisis" has reduced the market for the Company's products and
may have helped some Asian hard drive companies become more competitive since
they can pay some of their costs in devalued currency while receiving their
revenues in U.S. Dollars. The Company is unable to predict what effect, if any,
the factors associated with the Asian crisis will have on foreign economic
conditions, the Company's customers or vendors or the Company's ability to
compete in Asian markets.
 
NEW ACCOUNTING PRONOUNCEMENTS
 
     In June 1997, the Financial Accounting Standards Board issued Statement of
Financial Accounting Standards Nos. 130 and 131, "Reporting Comprehensive
Income" ("SFAS 130") and "Disclosures about Segments of an Enterprise and
Related Information" ("SFAS 131"), respectively (collectively, the
"Statements"). The Statements are effective for fiscal years beginning after
December 15, 1997. SFAS 130 establishes standards for reporting of comprehensive
income and its components in annual and interim financial statements. SFAS 131
establishes standards for reporting financial and descriptive information about
an enterprise's operating segments in its annual financial statements and
selected segment information in interim financial reports. Reclassification or
restatement of comparative financial statements or financial information for
earlier periods is required upon adoption of SFAS 130 and SFAS 131,
respectively. Application of the Statements' requirements is not expected to
have a material impact on the Company's consolidated financial position, results
of operations or earnings (loss) per share data as currently reported.
 
     In June 1998, the Financial Accounting Standards Board issued Statement of
Financial Accounting Standards No. 133, "Accounting for Derivative Instruments
and Hedging Activities" ("SFAS 133"). SFAS 133 is effective for all fiscal
quarters or fiscal years beginning after June 15, 1999. SFAS 133 establishes
accounting and reporting standards for derivative instruments embedded in other
contracts and for hedging activities. Application of this accounting standard is
not expected to have a material impact on the Company's consolidated financial
position, results of operations or liquidity.
 
YEAR 2000
 
     The Company has considered the impact of Year 2000 issues on its products,
computer systems and applications and has developed a remediation process.
Remediation activities are underway, and the Company expects compliance and
testing to be completed by June 1999. Expenditures related to the Year 2000
project, which include normal replacement of existing capital assets were
approximately $5.0 million in 1998 and are expected to amount to approximately
$35.0 million in total. For an additional discussion of Year 2000 issues, see
Part II, Item 7, Risk Factors Affecting the Company and/or the Hard Drive
Industry -- Year 2000 Issue.
 
LIQUIDITY AND CAPITAL RESOURCES
 
     At June 27, 1998, the Company had $459.8 million of cash and cash
equivalents as compared with $208.3 million at June 28, 1997. Net cash used for
operating activities was $39.0 million during 1998. Cash flows resulting from a
decrease in accounts receivable and lower inventories were more than offset by
cash used to fund a decrease in current liabilities and the net loss (net of
non-cash charges). Other significant uses of cash during 1998 were capital
expenditures of $198.6 million and payments of $35.8 million to settle certain
put option arrangements entered into in connection with the Company's open
market stock repurchase program. The capital expenditures were incurred
primarily in connection with the transition to desktop and enterprise hard
drives featuring MR head technology, normal replacement of existing assets,
acquisition and development of the Company's new computer information systems
and acquisition of land for the Company's new headquarters. Partially offsetting
these uses of cash was $491.4 million received in connection with the
 
                                       18
<PAGE>   19
 
issuance of the Debentures and borrowings under the Senior Bank Facility. In
addition, $23.8 million was received in connection with stock option exercises
and Employee Stock Purchase Plan ("ESPP") purchases. The Company anticipates
that capital expenditures in 1999 will total approximately $135 million and will
relate to retooling of the Company's hard drive assembly lines in order to
accommodate new technologies and normal replacement of existing assets.
 
     The Senior Bank Facility pursuant to which BankBoston, N.A. and other
lending institutions are providing a $200 million revolving credit line and a
$50 million term loan, both of which expire in January 2001, is secured by the
Company's accounts receivable, inventory, 66% of its stock in its foreign
subsidiaries and the other assets (excluding real property) of the Company. At
the option of the Company, borrowings bear interest at either LIBOR plus a
margin determined by a total debt funded ratio or a base rate, with option
periods of one to six months. The Senior Bank Facility, as amended in February
and June 1998, requires the Company to maintain certain financial ratios,
prohibits the payment of dividends and contains a number of other restrictive
covenants. As of the date hereof, the $50 million term loan was funded, but
there were no borrowings under the revolving credit line.
 
     On February 18, 1998, the Company received gross proceeds of $460.1 million
(before the Initial Purchasers' discount) from a private offering of 5.25% zero
coupon convertible subordinated debentures due in 2018. The principal amount at
maturity of the Debentures is $1.3 billion. The Debentures are subordinated to
all senior debt; are convertible into 19.4 million shares of the Company's
common stock at the rate of 14.935 shares per $1,000 principal amount at
maturity; are redeemable at the option of the Company any time after February
18, 2003 at the issue price plus accrued original issue discount to the date of
redemption; and will be repurchased by the Company, at the option of the holder,
as of February 18, 2003, February 18, 2008 or February 18, 2013, or if there is
a Fundamental Change (as defined in the Debenture documents), at the issue price
plus accrued original issue discount to the date of redemption.
 
     On December 29, 1997, the Company purchased approximately 34 acres of land
in Irvine, California for approximately $22 million. The Company intends to
negotiate lease financing for construction of a new corporate headquarters on
this site. The new headquarters facility is expected to lower the Company's
occupancy costs. However, there can be no assurance that the Company will be
successful in entering into a leasing arrangement for this property on terms
that will be satisfactory to the Company and other alternatives available to the
Company upon expiration of its current headquarters lease could be more costly.
 
     The Company believes its current cash balances, combined with cash flow
from operations, will be sufficient to meet its working capital needs at least
through 1999. The Company has viewed the revolving credit line portion of its
Senior Bank Facility as a source of cash to meet its longer term working capital
requirements, if needed. The Company's recent financial results and current
condition have reduced availability under the Senior Bank Facility, and it is
uncertain, based on information currently available to the Company, whether the
Company will be in compliance with certain financial covenants under the Senior
Bank Facility at the end of its first quarter of 1999. Therefore, the Company
has been negotiating a new senior credit facility to replace the Senior Bank
Facility and has signed a non-binding term sheet. The new credit facility would
have more flexible borrowing requirements and covenants. There can be no
assurance that the Company will successfully complete the negotiations required
to obtain this new credit facility or that the Senior Bank Facility will
continue to be available, and the Company's ability to sustain its working
capital position is dependent upon a number of factors that are discussed below
under the heading "Risk Factors Affecting the Company and/or the Hard Drive
Industry."
 
RISK FACTORS AFFECTING THE COMPANY AND/OR THE HARD DRIVE INDUSTRY
 
  Highly Competitive Industry
 
     The desktop portion of the hard drive industry consists of many competitors
of various sizes and financial resources and is intensely competitive. The
desktop hard drive industry is currently experiencing a period of sustained
oversupply and unusually severe pricing pressures that the Company expects to
continue for at least the first six months of 1999, although the current
conditions in this market make it difficult to forecast the timing of any change
in competitive conditions.
 
                                       19
<PAGE>   20
 
     During 1996 and 1997, the Company significantly increased its market share
in the desktop hard drive market, but the Company's market share eroded in 1998,
primarily due to competitive conditions in the hard drive industry (with
resulting cutbacks in production), the timing of the Company's transition from
thin film to magneto-resistive ("MR") head technology and certain manufacturing
and performance issues encountered as the Company pushed thin film head
technology to its limits. There can be no assurance that the Company will be
able to recover recent market share losses or avoid further erosion of market
share. Seagate, Quantum, IBM, Maxtor, Fujitsu and Samsung are the Company's
major competitors in the data storage business, and Maxtor, Fujitsu and Samsung
have recently gained significant market share in the desktop market. The current
intensely competitive conditions in this market make it difficult to forecast
near-term operating results. This competitive environment has adversely affected
the Company's operating results for 1998, and the Company expects these
conditions to continue for at least the first half of 1999.
 
     The enterprise portion of the hard drive industry is more concentrated than
the desktop portion, with the largest competitor, Seagate, having market share
in excess of 50% until the recent entrance of Quantum and the Company as
competitors. The other major competitors in this market are IBM and Fujitsu. The
number of competitors in this market has increased with the recent entry of
Quantum and the Company, and competition may continue to grow if Maxtor enters
the enterprise market. With more competitors, price competition in the
enterprise market is greater than in the past, and the Company expects that
price competition will continue to increase, with resulting pressure on margins.
 
     In general, the unit price for a given product in both the desktop and
enterprise markets decreases over time as increases in industry supply and cost
reductions occur and as technological advancements are achieved. Cost reductions
result primarily from volume efficiencies, component cost reductions,
manufacturing experience and design enhancements that are generally realized
over the life of a product. Competitive pressures and customer expectations
compel manufacturers to pass these cost reductions along as reductions in
selling prices. The rate of general price decline accelerates when some
competitors lower prices to absorb excess capacity, liquidate excess inventories
or attempt to gain market share. Competition and continuing price erosion can
adversely affect the Company's financial condition or operating results in any
given quarter. Often, such adverse effects cannot be anticipated until late in
the quarter, as happened during 1998.
 
  Rapid Technological Change and Product Development
 
     The demands of hard drive customers for greater storage capacity and higher
performance have led to short product life cycles, which require the Company to
constantly develop and introduce new drive products on a cost-effective and
timely basis. The Company's ability to fund research and development to support
rapid technological change depends upon its operating results and cash flows;
reductions in such funding could impair the Company's ability to innovate and
compete. Because of the Company's anticipated reliance upon IBM technology for
new high-end desktop PC products, the Company will be subject to risks
associated with IBM's research and development as well as its own. See
"Technology License and Component Supply Transaction with IBM."
 
     MR heads, which enable higher capacity per hard drive than conventional
thin film or MIG inductive heads, became the leading recording head technology
during 1998. Several of the Company's major competitors incorporated MR head
technology into their products much earlier than the Company and, with higher
capacity drives using MR heads, some of the Company's competitors achieved
time-to-market leadership with certain MR products. The Company substantially
completed its transition of desktop hard drives to MR head technology by the end
of 1998. The Company continues to manufacture hard drives with thin film
inductive heads for the lower capacity points of the enterprise market. Failure
of the Company to regain time-to-market leadership with products incorporating
MR head technology in a timely manner, to qualify these products with key OEM
customers, or to produce these products in sufficient volume could cause further
erosion of the Company's market share and have an adverse effect on the
Company's financial condition or operating results.
 
     MR head technology has inherent areal density advantages which have
resulted in an increase in the slope of the areal density curve, i.e., areal
density is increasing at a more rapid rate than before. Because of the
 
                                       20
<PAGE>   21
 
component cost savings inherent in increases in areal density, this more rapid
increase has shortened product life cycles and enhanced the importance of
time-to-market leadership. Use of GMR heads will result in a further increase in
areal density, and although the integration of GMR heads in hard drives is not
expected to be as complex or difficult as the transition from thin film to MR
technology, the Company needs to achieve time-to-market leadership with hard
drives incorporating GMR heads. Failure to achieve time-to-market leadership
could have an adverse effect on the Company's financial condition or operating
results.
 
     Due to short product life cycles, the Company regularly engages in new
product qualification with its customers. This customer qualification process is
usually complicated, difficult and lengthy. Any failure or delay by the Company
in qualifying new products with customers could adversely affect the Company's
financial condition or operating results.
 
     The Company's continued success in the enterprise hard drive market is
heavily dependent on the successful development, timely introduction and market
acceptance of new products, and failure to achieve such success could adversely
affect the Company's financial condition or operating results. The Company's
current line of enterprise products is based on a SCSI low profile (1" high)
drive with capacity points up to 9.1 GBs. These products serve approximately
70-80% of the existing enterprise market; however, the Company must expand its
product line to include designs for half high (1.6" high) drives, FC-AL
interface and 10,000 rpm in order to become a full-line supplier in the
enterprise market. Development, design, manufacturing and acceptance of these
new enterprise products are subject to the various business risks discussed
herein which are applicable to all hard drive product development. Additionally,
the Company is facing staffing challenges, since additional engineers must be
hired to complete the design and development process for the expansion of the
enterprise product line. Competition worldwide for such personnel is intense,
and there can be no assurance the Company will be able to attract and retain
such additional personnel. The Company is currently in the product design and
development phase of these additional enterprise products and expects to bring
them to market during the next 18 months. If the Company is unable to build its
enterprise infrastructure quickly enough to support this development schedule or
encounters development delays or quality issues, it may miss the time-to-market
windows on these new enterprise products, which could have an adverse effect on
the Company's financial condition or operating results.
 
     The Company experiences fluctuations in manufacturing yields that can
materially affect the Company's operations, particularly in the start-up phase
of new products or new manufacturing processes, and also at the end of a
technology's life cycle, when refinements designed to reach the product's
technical limits can result in tighter manufacturing tolerances. With the
continued pressures to shorten the time required to introduce new products, the
Company must accelerate production learning curves to shorten the time to
achieve acceptable manufacturing yields and costs. The Company's future is
therefore dependent upon its ability to develop new products, qualify these new
products with its customers, successfully introduce these products to the market
on a timely basis and commence volume production to meet customer demands. If
not carefully planned and executed, the transition to new products may adversely
affect sales of existing products and increase risk of inventory obsolescence. A
delay in the introduction or production of more cost-effective and/or more
advanced products also can result in lower sales and lower gross margins.
Because of rapid technological changes, the Company anticipates that sales of
older products will decline as in the past and that sales of new products will
continue to account for a significant portion of its sales in the future.
Failure of the Company to execute its strategy of achieving time-to-market in
sufficient volume with new products, or any delay in the introduction of
advanced and cost-effective products, could result in significantly lower
revenue and gross margins. Some of these factors have adversely affected the
Company in connection with the maturation of and transition from thin film
recording head technology to MR head technology. Inability to introduce or
achieve volume production of competitive products on a timely basis has in the
past and could in the future adversely affect the Company's financial condition
or operating results.
 
     Advances in magnetic, optical or other technologies, or the development of
entirely new technologies, could result in the creation of competitive products
that have better performance and/or lower prices than the Company's products.
Companies such as TeraStor and Seagate are currently developing
optically-assisted recording technologies. The initial products from such
companies are expected to be high capacity and high price. Based on preliminary
announcements, these products also appear to have lower performance attributes
                                       21
<PAGE>   22
 
than the current enterprise storage products. The optically-assisted recording
approaches used by these two companies are different at this time and have
created some short-term confusion in the industry. Accordingly, the Company's
strategy is to view optically-assisted recording as a potentially valid solution
at some point in time, but to assume that the hard drive technologies currently
in use will serve the Company for the foreseeable future. However, if the
Company's assumption proves to be wrong, the Company could be late in its
integration of optically-assisted recording technology, which could have an
adverse effect on the Company's financial condition or operating results.
 
  Technology License and Component Supply Transaction with IBM
 
     Implementation of the IBM Agreement presents several significant challenges
to the Company including the need to adapt IBM's product designs to the high
volume, fast cycle time production environment that is necessary to achieve the
cost efficiencies required to compete in the high-volume desktop market. While
the Company intends to take advantage of IBM's technological leadership to
develop market leading hard drive products, the availability of IBM technology
does not assure the Company's success. Successful development of hard drive
products utilizing IBM technology will require the Company's engineers to
integrate IBM technology and product designs into Western Digital products while
continuing to conduct significant independent research and development
activities. The IBM Agreement does not alleviate the research and development
risk that has been inherent in the Company's business, and there can be no
assurance that the Company will be successful in translating IBM technologies or
components into successful products.
 
     Additionally, since IBM will be the sole supplier of the head component for
these desktop drives, the Company's business and financial results would be
adversely affected if the heads manufactured by IBM fail to satisfy the
Company's quality requirements or if IBM is unable to meet the Company's volume
or delivery requirements. Western Digital believes that IBM's current and
planned manufacturing capacity should be adequate to meet the Company's
forecasted requirements. However, the future growth of sales of hard drives with
IBM technology is dependent upon, among other things, IBM continuing to devote
substantial financial resources to property, plant, equipment and working
capital to support the manufacture of the components, as to which there can be
no assurance.
 
     The Company entered into the IBM Agreement with the expectation that IBM
will continue to lead the hard drive industry in areal density and performance
and that the Company will be able to translate that leadership into
time-to-market and time-to-volume leadership in the desktop PC hard drive
market. If IBM does not maintain its areal density leadership, the Company may
not be able to realize the competitive cost advantages in the high volume
portion of the market that result from such leadership.
 
     Although the IBM Agreement contains certain restrictions on IBM's ability
to license the technology covered by it to third parties, the IBM Agreement is
not exclusive, and other hard drive manufacturers may also have access to heads
produced by IBM and possibly to IBM designs and technology. The IBM Agreement
has a minimum three-year term with the parties having the right to agree to
continue the relationship for future products subject to mutually acceptable
terms and conditions. If a party breaches the agreement or becomes subject to
bankruptcy or similar proceedings, the other party may terminate the IBM
Agreement. The IBM Agreement may also be terminated by a party upon a change of
control of the other party, subject to certain conditions.
 
  Fluctuating Product Demand
 
     Demand for the Company's hard drive products depends on the demand for the
computer systems manufactured by its customers and on storage upgrades to
computer systems, which in turn are affected by computer system product cycles,
end user demand for increased storage capacity and prevailing economic
conditions. Although market research indicates that total computer system unit
shipments are expected to continue to grow for the next several years, demand
may fluctuate significantly from period to period. Such fluctuations have in the
past and may in the future result in deferral or cancellation of orders for the
Company's products, which could have an adverse effect on the Company's
financial condition or operating results.
 
                                       22
<PAGE>   23
 
     The hard drive industry has also experienced seasonal fluctuations in
demand. The Company has historically experienced relatively flat demand in the
first quarter of the fiscal year as compared to the fourth quarter, while demand
in the second quarter has historically been much higher than in the first
quarter. Additionally, product shipments tend to be greatest in the third month
of each quarter. Any failure by the Company to accurately match its product
build plans to customer demand for any particular period could adversely affect
the Company's operating results for that period, as happened during 1998.
 
  Customer Concentration and Changing Customer Models
 
     High volume customers for hard drives are concentrated among a small number
of OEMs, distributors and retailers. Although the Company believes its
relationships with key customers such as these are generally good, the
concentration of sales to a relatively small number of major customers
represents a business risk that loss of one or more accounts could adversely
affect the Company's financial condition or operating results. Customer
concentration is especially significant for the Company's enterprise business.
The Company's customers are generally not obligated to purchase any minimum
volume and are generally able to terminate their relationship with the Company
at will. The Company has experienced reductions in its business, with resulting
loss of revenue, with certain OEM customers largely as a result of delays and
difficulties encountered in the Company's transition to MR head technology. If
any such changes in purchase volume or customer relationships continue to result
in decreased demand for the Company's drives, whether by loss of or delays in
orders, the Company's financial condition or operating results could be
adversely affected.
 
     The hard drive industry is experiencing changes in its OEM customer
ordering models. The trend among computer manufacturers using the
"build-to-order" model is to utilize a "just-in-time" ("JIT") inventory
management requirements model. As a result, Western Digital's customers are
holding smaller inventories of components such as hard drives. This JIT ordering
requires the Company to maintain a certain base stock of product in a location
adjacent to its customers' manufacturing facilities. JIT ordering complicates
the Company's inventory management strategies and makes it more difficult to
match manufacturing plans with projected customer demand. The Company's failure
to manage its inventory in response to JIT demands could have an adverse effect
on its operating results.
 
     Large OEMs are also considering or have implemented a "channel assembly"
model in which the OEM ships a minimal computer system to the dealer or other
assembler, and component suppliers such as hard drive manufacturers are
requested to ship parts directly to the assembler for installation at its
location. With this model, fragmentation of manufacturing facilities exposes the
Company to some risk of inventory mismanagement by both the OEMs and the
assemblers. The shift requires effective inventory management by the Company,
and any increase in the number of "ship to locations" may increase freight costs
and the number of accounts to be managed. Additionally, if the assemblers are
not properly trained in manufacturing processes, it could also increase the
number of product returns resulting from damage during assembly or improper
installation. This model requires proper alignment between the OEM and the
Company and requires the Company to retain more of its product in inventory. The
Company is therefore exposed to increased risk of inventory obsolescence with
the channel assembly model as well as the JIT model. The Company's OEM customer
relationships have traditionally been strong, but a material adverse change in
an OEM relationship could adversely affect demand for the Company's products,
especially with the impact of these new models.
 
  Dependence on Suppliers of Components
 
     The Company is dependent on qualified suppliers for components, including
recording heads, head stack assemblies, media and integrated circuits. A number
of the components used by the Company are available from a single or limited
number of outside suppliers. Some of these materials may periodically be in
short supply, and the Company has, on occasion, experienced temporary delays or
increased costs in obtaining these materials. As a result, the Company must
allow for significant lead times when procuring certain materials and supplies.
In addition, cancellation of orders for components due to cut-backs in
production precipitated by
 
                                       23
<PAGE>   24
 
market oversupply or transition to new products or technologies can result in
payment of significant cancellation charges to suppliers. Because the Company is
less vertically integrated than its competitors, an extended shortage of
required materials and supplies or the failure of key suppliers to meet the
Company's quality, yield or production requirements could affect the Company
more severely than competitors.
 
     The Company's product development efforts must include components designed
by and purchased from third party vendors since the Company does not manufacture
the components, except for a significant portion of its media, for its hard
drives. The success of the Company's products depends in part on the Company's
ability to acquire and integrate components with leading-edge technology. The
successful integration of third party components depends upon the timely
availability and quality of components, the ability to integrate the different
products from several vendors and management of scheduling and delivery. The
Company's success depends on its continued good relationships with key component
suppliers, its identification of the most advantageous suppliers for specific
products, and its ability to manage the various complexities involved in the
integration of components in product development. Additionally, difficult
industry conditions may severely impact the Company's suppliers. Since the
Company is not vertically integrated, it may be more adversely affected by the
ability of its vendors to survive or adjust to market conditions. These risks
may be particularly acute for products incorporating IBM technology because the
Company is required to use IBM-supplied heads with those products. See
"Technology License and Component Supply Agreement with IBM."
 
  Intellectual Property
 
     The hard drive industry has been characterized by significant litigation
relating to patent and other intellectual property rights. From time to time,
the Company receives claims of alleged patent infringement or notice of patents
from patent holders, which typically contain an offer to grant the Company a
license. On June 10, 1994, Papst brought suit against the Company in the United
States District Court for the Central District of California alleging
infringement by the Company of five hard drive motor patents owned by Papst. The
patents relate to disk drive motors that the Company purchases from motor
vendors. On December 1, 1994, Papst dismissed its case without prejudice, but
has recently notified the Company that it intends to reinstate the suit if the
Company does not agree to enter into a license agreement with Papst. Papst has
also put the Company on notice with respect to several additional patents.
Although the Company does not believe that the outcome of this matter will have
an adverse effect on its financial condition or operating results, adverse
resolution of any intellectual property litigation could subject the Company to
substantial liabilities and require it to refrain from manufacturing certain
products. In addition, the costs of defending such litigation may be
substantial, regardless of the outcome.
 
     The Company's success depends in significant part on the proprietary nature
of its technology. Patents issued to the Company may not provide the Company
with meaningful advantages and may be challenged. In addition to patent
protection of certain intellectual property rights, the Company considers
elements of its product designs and processes to be proprietary and
confidential. The Company believes that its non-patentable intellectual
property, particularly some of its process technology, is an important factor in
its success. The Company relies upon employee, consultant, and vendor
non-disclosure agreements and a system of internal safeguards to protect its
proprietary information. Despite these safeguards, to the extent that a
competitor of the Company is able to reproduce or otherwise capitalize on the
Company's technology, it may be difficult or impossible for the Company to
obtain necessary intellectual property protection in the United States or other
countries where such competitor conducts its operations. Moreover, the laws of
foreign countries may not protect the Company's intellectual property to the
same extent as do the laws of the United States.
 
  Use of Estimates
 
     The Company's management has made a number of estimates and assumptions
relating to the reporting of assets and liabilities. Such estimates include, but
are not limited to, accruals for warranty against product defects, price
protection and stock rotation reserves on product sold to resellers, and
reserves for excess, obsolete and slow moving inventories. The rapidly changing
market conditions in the hard drive industry make it difficult to estimate such
accruals and reserves and actual results may differ significantly from the
                                       24
<PAGE>   25
 
Company's estimates and assumptions. Additionally, actual warranty costs could
have a negative impact on the Company if the actual rate of drive failure or the
cost to repair a drive is greater than what the Company used to estimate the
warranty expense accrual. Differences between actual results and such estimates
and assumptions can result in adverse effects on the Company's financial
condition or operating results.
 
  Potential Impact of Changing Market Demands
 
     The information services business community is currently debating the "thin
client architecture" or network computer ("NC") model, which emphasizes central
servers for data storage and reduces the need for local desktop storage.
Although industry analysts expect these products to account for a small fraction
of the personal computer market over the next several years, broader than
expected adoption of the NC model would reduce demand for desktop storage
products while increasing demand for enterprise storage products. Given the
Company's current business concentration in desktop hard drives and its
relatively recent entry into enterprise hard drives, if such a scenario occurred
on an accelerated basis, it would place the Company at a disadvantage relative
to competitors which have a stronger market position in enterprise products.
 
     In addition, certain of the large desktop PC system manufacturers have
recently introduced lower cost, lower performance systems principally for the
consumer marketplace. These systems have generally been priced below $1,000 and
typically contain lower capacity and performance hard drives. The Company
currently participates in this market only to a limited extent. There can be no
assurance that the Company will be able to develop lower cost hard drives that
will successfully compete in this growing market.
 
  Foreign Sales and Manufacturing Risks
 
     Western Digital products are currently manufactured in Singapore and
Malaysia. The Company is subject to certain risks associated with foreign
manufacturing, including obtaining requisite United States and foreign
governmental permits and approvals, currency exchange fluctuations, currency
restrictions, political instability, transportation delays, labor problems,
trade restrictions, import, export, exchange and tax controls and reallocations,
loss or non-renewal of favorable tax treatment under agreements with foreign tax
authorities and changes in tariff and freight rates.
 
     Several Asian countries recently have had large economic downturns and
significant declines in the value of their currencies relative to the U.S.
Dollar. The "Asian crisis" has reduced the market for the Company's products as
well as helped some Asian hard drive companies become more competitive since
they can pay some of their costs in devalued currency while receiving their
revenue in U.S. Dollars. The Company is unable to predict what effect, if any,
the factors associated with the Asian crisis will have on foreign economic
conditions, the Company's customers or vendors or the Company's ability to
compete in the Asian market.
 
  Price Volatility of Common Stock
 
     The market price of the Company's common stock has been, and may continue
to be, extremely volatile and may be significantly affected by factors such as
actual or anticipated fluctuations in the Company's operating results,
announcements of technological innovations, new products introduced by the
Company or its competitors, periods of severe pricing pressures, developments
with respect to patents or proprietary rights, conditions and trends in the hard
drive industry, changes in financial estimates by securities analysts, general
market conditions and other factors. In addition, the stock market has
experienced extreme price and volume fluctuations that have particularly
affected the market price for many high technology companies that have often
been unrelated to the operating performance of these companies. These broad
market fluctuations may adversely affect the market price of the Company's
common stock, and there can be no assurance that the market price of the common
stock will not decline.
 
  Future Capital Needs
 
     The hard drive industry is capital intensive, and in order to remain
competitive, the Company will need to maintain adequate financial resources for
capital expenditures, working capital and research and development. If the
Company decides to increase its capital expenditures further, or sooner than
presently contemplated, or
                                       25
<PAGE>   26
 
if results of operations do not meet the Company's expectations, the Company
could require additional debt or equity financing, and such equity financing
could be dilutive to the Company's existing shareholders. There can be no
assurance that such additional funds will be available to the Company or
available on favorable terms. The Company may also require additional capital
for other purposes not presently contemplated. If the Company is unable to
obtain sufficient capital, it could be required to curtail its capital equipment
and research and development expenditures, which could adversely affect the
Company's financial condition or operating results. See "Management's Discussion
and Analysis of Financial Condition and Results of Operations -- Liquidity and
Capital Resources."
 
  Foreign Exchange Contracts
 
     The Company manages the impact of foreign currency exchange rate changes on
certain underlying assets, liabilities and commitments for operating expenses
denominated in foreign currencies by entering into short-term, forward exchange
contracts. With this approach, the Company expects to minimize the impact of
changing foreign exchange rates on the Company's operations. However, there can
be no assurance that all foreign currency exposures will be adequately covered,
and that the Company's financial condition or operating results will not be
affected by changing foreign exchange rates.
 
  Year 2000 Issue
 
     The Year 2000 issue is the result of computer programs, microprocessors,
and embedded date reliant systems using two digits rather than four to define
the applicable year. If such programs are not corrected, date data concerning
the Year 2000 could cause many systems to fail, lock up or generate erroneous
results. The Company considers a product to be "Year 2000 compliant" if the
product's performance and functionality are unaffected by processing of dates
prior to, during and after the Year 2000, but only if all products (for example
hardware, software and firmware) used with the product properly exchange
accurate date data with it. As storage devices, the Company's hard drives are
transparent to Year 2000 requirements. The Company believes its hard drive
products are Year 2000 compliant, although other products previously sold by the
Company may not be Year 2000 compliant. The Company anticipates that litigation
may be brought against vendors, including the Company, of all component products
of systems that are unable to properly manage data related to the Year 2000. The
Company's agreements with customers typically contain provisions designed to
limit the Company's liability for such claims. It is possible, however, that
these measures will not provide protection from liability claims, as a result of
existing or future federal, state or local laws or ordinances or unfavorable
judicial decisions. Any such claims, with or without merit, could result in a
material adverse effect on the Company's business, financial condition and
results of operations, customer satisfaction issues and potential lawsuits.
 
     The Company has committed personnel and resources to resolve potential Year
2000 issues, both internally and externally (with respect to the Company's
suppliers and customers) for both information technology assets and
non-information technology assets. The Company is identifying Year 2000
dependencies in its systems, equipment, and processes and is implementing
changes to such systems, updating or replacing such equipment, and modifying
such processes to make them Year 2000 compliant. The Company has completed its
assessment of internal Year 2000 issues and is in the process of remediation of
the critical systems. The Company has also initiated formal communications with
all of its significant suppliers and financial institutions to evaluate their
Year 2000 compliance plans and state of readiness and to determine whether any
Year 2000 issues will impede the ability of such suppliers to continue to
provide goods and services to the Company. As a general matter, the Company is
vulnerable to its key suppliers' failure to remedy their own Year 2000 issues,
which could delay shipments of essential components, thereby disrupting or
halting the Company's manufacturing operations. Further, the Company also
relies, both domestically and internationally, upon governmental agencies,
utility companies, telecommunication service companies and other service
providers outside of the Company's control. There is no assurance that such
suppliers, governmental agencies, financial institutions, or other third parties
will not suffer business disruption caused by a Year 2000 issue. Such failures
could have a material adverse effect on the Company's financial condition and
results of operations. Additionally, the Company is in the process of
communicating with its large
 
                                       26
<PAGE>   27
 
customers to determine the extent to which the Company is vulnerable to those
third parties' failure to remedy their own Year 2000 issues.
 
     The Company anticipates that its systems, equipment and processes will be
substantially Year 2000 compliant by the end of June 1999. Although a budget has
been established, the cost to the Company of achieving Year 2000 compliance is
evolving; however, it is not expected to have a material effect on the Company's
financial condition or results of operations. While the Company currently
expects that the Year 2000 issue will not pose significant operational problems,
delays in the Company's remediation efforts, or a failure to fully identify all
Year 2000 dependencies in the systems, equipment or processes of the Company or
its vendors, customers or financial institutions could have material adverse
consequences, including delays in the manufacture, delivery or sale of products.
Therefore, the Company is in the process of developing contingency plans along
with its remediation efforts for continuing operations in the event such
problems arise.
 
ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
 
DISCLOSURE ABOUT FOREIGN CURRENCY RISK
 
     Although the majority of the Company's transactions are in U.S. Dollars,
some transactions are based in various foreign currencies. The Company purchases
short-term, forward exchange contracts to hedge the impact of foreign currency
fluctuations on certain underlying assets, liabilities and commitments for
operating expenses denominated in foreign currencies. The purpose of entering
into these hedge transactions is to minimize the impact of foreign currency
fluctuations on the results of operations. A majority of the increases or
decreases in the Company's local currency operating expenses are offset by gains
and losses on the hedges. The contracts have maturity dates that do not exceed
twelve months. The unrealized gains and losses on these contracts are deferred
and recognized in the results of operations in the period in which the hedged
transaction is consummated. The Company does not purchase short-term forward
exchange contracts for trading purposes.
 
     As of June 27, 1998, the Company had outstanding the following purchased
foreign currency forward contracts (in millions, except average contract rate):
 
<TABLE>
<CAPTION>
                                                                JUNE 27, 1998
                                                  ------------------------------------------
                                                  CONTRACT    WEIGHTED AVERAGE    UNREALIZED
                                                   AMOUNT      CONTRACT RATE        LOSS*
                                                  --------    ----------------    ----------
                                                       (U.S. DOLLAR EQUIVALENT AMOUNTS)
<S>                                               <C>         <C>                 <C>
Foreign currency forward contracts:
  Singapore Dollar..............................   $178.9           1.60            $ 8.8
  Malaysian Ringgit.............................     61.4           3.66              8.3
  British Pound Sterling........................      1.6           1.63               --
                                                   ------                           -----
                                                   $241.9                           $17.1
                                                   ======                           =====
</TABLE>
 
- ---------------
* The unrealized losses on these contracts are deferred and recognized in the
  results of operations in the period in which the hedged transactions are
  consummated, at which time the loss is offset by the reduced U.S. Dollar value
  of the local currency operating expense.
 
 DISCLOSURE ABOUT OTHER MARKET RISKS
 
     At June 27, 1998, the market value of the Company's 5.25% zero coupon
convertible subordinated debentures due in 2018 was approximately $335 million,
compared to the related carrying value of $469.2 million. The convertible
debentures will be repurchased by the Company, at the option of the holder, as
of February 18, 2003, February 18, 2008, or February 18, 2013, or if there is a
Fundamental Change (as defined in the Debenture documents), at the issue price
plus accrued original issue discount to the date of redemption.
 
                                       27
<PAGE>   28
 
ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA
 
         INDEX TO FINANCIAL STATEMENTS AND FINANCIAL STATEMENT SCHEDULE
 
<TABLE>
<CAPTION>
                                                              PAGE(S)
                                                              -------
<S>                                                           <C>
CONSOLIDATED FINANCIAL STATEMENTS:
  Independent Auditors' Report..............................       29
  Consolidated Statements of Operations -- Three Years Ended
     June 27, 1998..........................................       30
  Consolidated Balance Sheets -- June 28, 1997 and June 27,
     1998...................................................       31
  Consolidated Statements of Shareholders' Equity -- Three
     Years Ended June 27, 1998..............................       32
  Consolidated Statements of Cash Flows -- Three Years Ended
     June 27, 1998..........................................       33
  Notes to Consolidated Financial Statements................  34 - 46
 
FINANCIAL STATEMENT SCHEDULE:
  Schedule II -- Consolidated Valuation and Qualifying
     Accounts -- Three Years Ended June 27, 1998............       47
</TABLE>
 
                                       28
<PAGE>   29
 
                          INDEPENDENT AUDITORS' REPORT
 
The Board of Directors
Western Digital Corporation:
 
     We have audited the consolidated financial statements of Western Digital
Corporation and subsidiaries as listed in the accompanying index. In connection
with our audits of the consolidated financial statements, we also have audited
the financial statement schedule as listed in the accompanying index. These
consolidated financial statements and the financial statement schedule are the
responsibility of the Company's management. Our responsibility is to express an
opinion on these consolidated financial statements and the financial statement
schedule based on our audits.
 
     We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.
 
     In our opinion, the consolidated financial statements referred to above
present fairly, in all material respects, the financial position of Western
Digital Corporation and subsidiaries as of June 28, 1997 and June 27, 1998, and
the results of their operations and their cash flows for each of the years in
the three-year period ended June 27, 1998, in conformity with generally accepted
accounting principles. Also, in our opinion, the related financial statement
schedule, when considered in relation to the basic consolidated financial
statements taken as a whole, presents fairly, in all material respects, the
information set forth therein.
 
                                          KPMG PEAT MARWICK LLP
 
Orange County, California
July 27, 1998
 
                                       29
<PAGE>   30
 
                          WESTERN DIGITAL CORPORATION
 
                     CONSOLIDATED STATEMENTS OF OPERATIONS
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
 
<TABLE>
<CAPTION>
                                                                      YEARS ENDED
                                                         --------------------------------------
                                                          JUNE 29,      JUNE 28,      JUNE 27,
                                                            1996          1997          1998
                                                         ----------    ----------    ----------
<S>                                                      <C>           <C>           <C>
Revenues, net..........................................  $2,865,219    $4,177,857    $3,541,525
Costs and expenses:
  Cost of revenues.....................................   2,483,155     3,527,574     3,441,475
  Research and development.............................     150,112       150,157       203,733
  Selling, general and administrative (Note 8).........     154,497       198,530       192,142
                                                         ----------    ----------    ----------
          Total costs and expenses.....................   2,787,764     3,876,261     3,837,350
                                                         ----------    ----------    ----------
Operating income (loss)................................      77,455       301,596      (295,825)
Net interest income (Note 2)...........................      13,134        13,223         3,817
Gain on sale of multimedia business (Note 8)...........      17,275            --            --
                                                         ----------    ----------    ----------
Income (loss) before income taxes......................     107,864       314,819      (292,008)
Provision (benefit) for income taxes (Note 5)..........      10,970        47,223        (1,791)
                                                         ----------    ----------    ----------
Net income (loss)......................................  $   96,894    $  267,596    $ (290,217)
                                                         ==========    ==========    ==========
Earnings (loss) per common share (Note 9):
  Basic................................................  $     1.05    $     3.07    $    (3.32)
                                                         ==========    ==========    ==========
  Diluted..............................................  $     1.01    $     2.86    $    (3.32)
                                                         ==========    ==========    ==========
Common shares used in computing per share amounts
  (Note 9):
  Basic................................................      92,559        87,261        87,525
                                                         ==========    ==========    ==========
  Diluted..............................................      96,248        93,522        87,525
                                                         ==========    ==========    ==========
</TABLE>
 
                See notes to consolidated financial statements.
                                       30
<PAGE>   31
 
                          WESTERN DIGITAL CORPORATION
 
                          CONSOLIDATED BALANCE SHEETS
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
 
                                     ASSETS
 
<TABLE>
<CAPTION>
                                                               JUNE 28,      JUNE 27,
                                                                 1997          1998
                                                              ----------    ----------
<S>                                                           <C>           <C>
Current assets:
  Cash and cash equivalents.................................  $  208,276       459,830
  Accounts receivable, less allowance for doubtful accounts
     of $11,706 in 1997 and $15,926 in 1998.................     545,552       369,013
  Inventories (Note 2)......................................     224,474       186,516
  Prepaid expenses and other assets (Note 5)................      39,593        36,763
                                                              ----------    ----------
          Total current assets..............................   1,017,895     1,052,122
  Property and equipment at cost, net (Note 2)..............     247,895       346,987
  Intangible and other assets, net..........................      41,332        43,579
                                                              ----------    ----------
          Total assets......................................  $1,307,122    $1,442,688
                                                              ==========    ==========
 
                         LIABILITIES AND SHAREHOLDERS' EQUITY
Current liabilities:
  Accounts payable..........................................  $  417,984       330,130
  Accrued compensation......................................      59,227        23,697
  Accrued expenses..........................................     176,494       234,752
                                                              ----------    ----------
          Total current liabilities.........................     653,705       588,579
  Long-term debt (Note 3)...................................          --       519,188
  Deferred income taxes (Note 5)............................      33,430        17,163
  Commitments and contingent liabilities (Note 4)
Shareholders' equity (Note 6):
  Preferred stock, $.01 par value; Authorized -- 5,000
     shares; Outstanding -- None............................
  Common stock, $.01 par value; Authorized -- 225,000
     shares; Outstanding -- 101,332 shares in 1997 and
     1998...................................................       1,013         1,013
  Additional paid-in capital................................     356,654       326,244
  Retained earnings.........................................     488,066       197,849
  Treasury stock-common shares at cost; 15,436 shares in
     1997 and 13,039 shares in 1998.........................    (225,746)     (207,348)
                                                              ----------    ----------
          Total shareholders' equity........................     619,987       317,758
                                                              ----------    ----------
          Total liabilities and shareholders' equity........  $1,307,122    $1,442,688
                                                              ==========    ==========
</TABLE>
 
                See notes to consolidated financial statements.
                                       31
<PAGE>   32
 
                          WESTERN DIGITAL CORPORATION
 
                CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY
                        THREE YEARS ENDED JUNE 27, 1998
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                        COMMON STOCK          TREASURY STOCK       ADDITIONAL                    TOTAL
                                      -----------------    --------------------     PAID-IN      RETAINED    SHAREHOLDERS'
                                      SHARES     AMOUNT    SHARES      AMOUNT       CAPITAL      EARNINGS       EQUITY
                                      -------    ------    -------    ---------    ----------    --------    -------------
<S>                                   <C>        <C>       <C>        <C>          <C>           <C>         <C>
BALANCE AT JULY 1, 1995.............  100,964    $1,009     (1,610)   $ (10,822)    $359,663     $123,576      $ 473,426
Common stock repurchase program
  (Note 6)..........................       --        --    (15,440)    (132,114)          --           --       (132,114)
Exercise of stock options (Note
  6)................................      368         4      1,568       12,833       (5,528)          --          7,309
ESPP shares issued (Note 6).........       --        --      1,292        8,686         (309)          --          8,377
Net income..........................       --        --         --           --           --       96,894         96,894
                                      -------    ------    -------    ---------     --------     --------      ---------
BALANCE AT JUNE 29, 1996............  101,332     1,013    (14,190)    (121,417)     353,826      220,470        453,892
Common stock repurchase program
  (Note 6)..........................       --        --     (5,172)    (135,506)      (9,068)          --       (144,574)
Exercise of stock options (Note
  6)................................       --        --      2,790       22,087       (8,350)          --         13,737
ESPP shares issued (Note 6).........       --        --      1,136        9,090           37           --          9,127
Income tax benefit from stock
  options exercised (Note 5)........       --        --         --           --       20,209           --         20,209
Net income..........................       --        --         --           --           --      267,596        267,596
                                      -------    ------    -------    ---------     --------     --------      ---------
BALANCE AT JUNE 28, 1997............  101,332     1,013    (15,436)    (225,746)     356,654      488,066        619,987
Common stock repurchase program
  (Note 6)..........................       --        --         --           --      (35,828)          --        (35,828)
ESPP shares issued (Note 6).........       --        --      1,231        9,506        3,178           --         12,684
Exercise of stock options (Note
  6)................................       --        --      1,166        8,892          (99)          --          8,793
Income tax benefit from stock
  options exercised (Note 5)........       --        --         --           --        2,339           --          2,339
Net loss............................       --        --         --           --           --     (290,217)      (290,217)
                                      -------    ------    -------    ---------     --------     --------      ---------
BALANCE AT JUNE 27, 1998............  101,332    $1,013    (13,039)   $(207,348)    $326,244     $197,849      $ 317,758
                                      =======    ======    =======    =========     ========     ========      =========
</TABLE>
 
                See notes to consolidated financial statements.
                                       32
<PAGE>   33
 
                          WESTERN DIGITAL CORPORATION
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                                         YEARS ENDED
                                                              ---------------------------------
                                                              JUNE 29,    JUNE 28,    JUNE 27,
                                                                1996        1997        1998
                                                              ---------   ---------   ---------
<S>                                                           <C>         <C>         <C>
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)...........................................  $  96,894   $ 267,596   $(290,217)
Adjustments to reconcile net income (loss) to net cash
  provided by (used for) operating activities:
  Depreciation and amortization.............................     51,643      63,485     106,550
  Interest accrued on convertible debentures................         --          --       9,059
  Gain on sale of multimedia business.......................    (17,275)         --          --
  Changes in assets and liabilities, excluding the effects
     of business sales (Note 8):
     Accounts receivable....................................   (107,532)   (136,079)    176,539
     Inventories............................................    (69,180)    (81,852)     37,958
     Prepaid expenses and other assets......................     (5,478)      2,184       2,830
     Accounts payable, accrued compensation and accrued
       expenses.............................................    110,311     139,683     (65,126)
     Deferred income taxes..................................        417      (1,570)    (16,267)
     Other assets...........................................     (1,519)        712        (299)
                                                              ---------   ---------   ---------
          Net cash provided by (used for) operating
            activities......................................     58,281     254,159     (38,973)
                                                              ---------   ---------   ---------
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures, net...................................   (108,696)   (155,958)   (198,641)
Proceeds from sale of businesses (Note 8)...................     85,486          --          --
Purchases of short-term investments.........................    (34,685)         --          --
Sales and maturities of short-term investments..............     88,264      36,598          --
Decrease (increase) in other assets.........................     (7,188)     (7,587)      9,758
                                                              ---------   ---------   ---------
          Net cash provided by (used for) investing
            activities......................................     23,181    (126,947)   (188,883)
                                                              ---------   ---------   ---------
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from issuance of convertible debentures (Note 3)...         --          --     460,129
Proceeds from issuance of bank debt (Note 3)................         --          --      50,000
Debt issuance costs.........................................         --          --     (18,707)
Exercise of stock options, including tax benefit............      7,309      33,946      11,132
Proceeds from ESPP shares issued............................      8,377       9,127      12,684
Common stock repurchase program (Note 6)....................   (132,114)   (144,574)    (35,828)
                                                              ---------   ---------   ---------
          Net cash provided by (used for) financing
            activities......................................   (116,428)   (101,501)    479,410
                                                              ---------   ---------   ---------
Net increase (decrease) in cash and cash equivalents........    (34,966)     25,711     251,554
Cash and cash equivalents at beginning of year..............    217,531     182,565     208,276
                                                              ---------   ---------   ---------
Cash and cash equivalents at end of year....................  $ 182,565   $ 208,276   $ 459,830
                                                              =========   =========   =========
</TABLE>
 
                See notes to consolidated financial statements.
                                       33
<PAGE>   34
 
                          WESTERN DIGITAL CORPORATION
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
 
NOTE 1. SIGNIFICANT ACCOUNTING POLICIES
 
     Western Digital Corporation ("Western Digital" or the "Company") has
prepared its consolidated financial statements in accordance with generally
accepted accounting principles and has adopted accounting policies and practices
which are generally accepted in the industry in which it operates. Following are
the Company's significant accounting policies:
 
  Fiscal Year
 
     The Company's fiscal year end is a 52 or 53-week year ending on the
Saturday nearest June 30. Accordingly, the 1996, 1997 and 1998 fiscal years
ended on June 29, June 28, and June 27, respectively, and included 52 weeks
each. All general references to years relate to fiscal years unless otherwise
noted.
 
  Basis of Presentation
 
     The consolidated financial statements include the accounts of the Company
and its wholly owned subsidiaries. All significant intercompany accounts and
transactions have been eliminated in consolidation. The accounts of foreign
subsidiaries have been remeasured using the U.S. dollar as the functional
currency. As such, foreign exchange gains or losses resulting from remeasurement
of these accounts are reflected in the results of operations. Monetary and
nonmonetary asset and liability accounts have been remeasured using the exchange
rate in effect at each year end and using historical rates, respectively. Income
statement accounts have been remeasured using average monthly exchange rates.
 
  Cash Equivalents
 
     The Company's cash equivalents represent highly liquid investments,
primarily money market funds and commercial paper, with original maturities of
three months or less.
 
  Concentration of Credit Risk
 
     The Company designs, develops, manufactures and markets hard drives to
personal computer manufacturers, resellers and retailers throughout the world.
The Company performs ongoing credit evaluations of its customers' financial
condition and generally requires no collateral. The Company maintains reserves
for potential credit losses, and such losses have historically been within
management's expectations. The Company also has cash equivalent policies that
limit the amount of credit exposure to any one financial institution or
investment instrument, and require that investments be made only with financial
institutions or in investment instruments evaluated as highly credit-worthy.
 
  Inventory Valuation
 
     Inventories are valued at the lower of cost or net realizable value. Cost
is on a first-in, first-out basis for raw materials and is computed on a
currently adjusted standard basis (which approximates first-in, first-out) for
work in process and finished goods.
 
  Depreciation and Amortization
 
     The cost of property and equipment is depreciated over the estimated useful
lives of the respective assets. Depreciation is computed on a straight-line
basis for financial reporting purposes and on an accelerated basis for income
tax purposes. Leasehold improvements are amortized over the lesser of the
estimated useful lives of the assets or the related lease terms. Goodwill and
purchased technology, which are included in other assets, are capitalized at
cost and amortized on a straight-line basis over their estimated lives of five
to fifteen years.
 
                                       34
<PAGE>   35
                          WESTERN DIGITAL CORPORATION
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
     The Company reviews identifiable intangibles, goodwill and other long-lived
assets for impairment whenever events or circumstances indicate the carrying
amounts may not be recoverable. If the sum of the expected future cash flows
(undiscounted and without interest charges) is less than the carrying amount of
an asset, an impairment loss is recognized.
 
  Revenue Recognition
 
     The Company recognizes revenue at time of shipment and records a reserve
for price adjustments, warranty and estimated sales returns. In accordance with
standard industry practice, the Company's agreements with its resellers provide
price protection for inventories held by the resellers at the time of published
list price reductions and, under certain circumstances, stock rotation for
slow-moving items. These agreements may be terminated upon written notice by
either party. In the event of termination, the Company may be obligated to
repurchase a certain portion of the resellers' inventory.
 
  Advertising Expense
 
     Advertising costs are expensed as incurred. Selling, general and
administrative expenses of the Company include advertising costs of $9.5
million, $16.3 million and $17.4 million in 1996, 1997 and 1998, respectively.
 
  Income Taxes
 
     The Company accounts for income taxes using the asset and liability method
under Statement of Financial Accounting Standards No. 109, "Accounting for
Income Taxes" ("SFAS 109"). This method generally provides that deferred tax
assets and liabilities be recognized for temporary differences between the
financial reporting basis and the tax basis of the Company's assets and
liabilities and expected benefits of utilizing net operating loss ("NOL")
carryforwards. The Company records a valuation allowance for certain temporary
differences for which it is not certain it will receive future tax benefits. The
impact on deferred taxes of changes in tax rates and laws, if any, are applied
to the years during which temporary differences are expected to be settled and
reflected in the consolidated financial statements in the period of enactment.
 
  Two-For-One Stock Split
 
     On May 2, 1997, the Company declared a two-for-one stock split, effected in
the form of a stock dividend on June 3, 1997 to shareholders of record on May
20, 1997. All share and per share amounts included in the consolidated financial
statements reflect retroactive recognition of the two-for-one stock split.
 
  Per Share Information
 
     Effective December 27, 1997, the Company adopted Statement of Financial
Accounting Standards No. 128, "Earnings per Share" (SFAS No. 128). This
statement replaced the previously reported primary and fully diluted earnings
per share with basic and diluted earnings per share. Unlike primary earnings per
share, basic earnings per share excludes any dilutive effects of options.
Diluted earnings per share is very similar to the previously reported fully
diluted earnings per share. All earnings (loss) per share amounts for all
periods have been presented and restated to conform to the SFAS No. 128
requirements (see Note 9).
 
  Increase in Authorized Common Stock and Change in Par Value of Common Stock
and Preferred Stock
 
     On March 11, 1997, the Company's shareholders approved the amendment to the
Company's Certificate of Incorporation to increase the Company's authorized
common stock and to reduce the par value of the common stock and preferred stock
from $.10 to $.01 per share. Par value information in the consolidated financial
statements reflects retroactive recognition of the change in the par value.
 
                                       35
<PAGE>   36
                          WESTERN DIGITAL CORPORATION
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
  Stock-Based Compensation
 
     The Company has adopted Statement of Financial Accounting Standards No.
123, "Accounting for Stock-Based Compensation" (SFAS No. 123). SFAS No. 123
establishes the financial accounting and reporting standards for stock-based
compensation plans. The Company elected to continue accounting for stock-based
employee compensation plans in accordance with Accounting Principles Board
Opinion No. 25, "Accounting for Stock Issued to Employees" and related
interpretations (APB Opinion No. 25), as SFAS No. 123 permits, and to follow the
pro forma net income, pro forma earnings per share, and stock-based compensation
plan disclosure requirements set forth in SFAS No. 123. See Note 6 of Notes to
Consolidated Financial Statements.
 
  New Accounting Pronouncements
 
     In June 1997, the Financial Accounting Standards Board issued Statement of
Financial Accounting Standards Nos. 130 and 131, "Reporting Comprehensive
Income" ("SFAS 130") and "Disclosures about Segments of an Enterprise and
Related Information" ("SFAS 131"), respectively (collectively, the
"Statements"). The Statements are effective for fiscal years beginning after
December 15, 1997. SFAS 130 establishes standards for reporting of comprehensive
income and its components in annual and interim financial statements. SFAS 131
establishes standards for reporting financial and descriptive information about
an enterprise's operating segments in its annual financial statements and
selected segment information in interim financial reports. Reclassification or
restatement of comparative financial statements or financial information for
earlier periods is required upon adoption of SFAS 130 and SFAS 131,
respectively. Application of the Statements' requirements is not expected to
have a material impact on the Company's consolidated financial position, results
of operations or earnings (loss) per share data as currently reported.
 
     In June 1998, the Financial Accounting Standards Board issued Statement of
Financial Accounting Standards No. 133, "Accounting for Derivative Instruments
and Hedging Activities" ("SFAS 133"). SFAS 133 is effective for all fiscal
quarters or fiscal years beginning after June 15, 1999. SFAS 133 establishes
accounting and reporting standards for derivative instruments embedded in other
contracts and for hedging activities. Application of this accounting standard is
not expected to have a material impact on the Company's consolidated financial
position, results of operations or liquidity.
 
  Fair Value of Financial Instruments
 
     The carrying amount of cash and cash equivalents approximates fair value
for all periods presented because of the short-term maturity of these financial
instruments. The fair value of the Company's convertible debentures is estimated
by reference to quoted information from market sources. At June 27, 1998, the
market value of the Company's convertible debentures was approximately $335
million, compared to the related carrying value of $469.2 million. The carrying
amounts of all other financial instruments in the consolidated balance sheets
approximate fair values.
 
  Foreign Exchange Contracts
 
     The Company enters into short-term, forward exchange contracts to hedge the
impact of foreign currency fluctuations on certain underlying assets,
liabilities and commitments for operating expenditures denominated in foreign
currencies. These contracts are not entered into for trading purposes, have
maturity dates that do not exceed twelve months, and are accounted for as
hedges. The unrealized gains and losses on these contracts are deferred and
recognized in the results of operations in the period in which the hedged
transactions are consummated. Costs associated with entering into such contracts
are typically amortized over the life of the instrument. At June 28, 1997 and
June 27, 1998, the Company had outstanding $266.6 and $241.9 million,
respectively, of forward exchange contracts with commercial banks. As of June
28, 1997 and June 27, 1998,
 
                                       36
<PAGE>   37
                          WESTERN DIGITAL CORPORATION
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
the unrealized gains and losses on outstanding forward exchange contracts were
not material. Realized gains and losses are primarily recorded in cost of
revenues in the accompanying consolidated statements of operations.
 
     In response to the Company's underlying foreign currency exposures, the
Company may, from time to time, adjust its foreign currency hedging position by
taking out additional contracts or by terminating or offsetting existing foreign
currency forward exchange contracts. Gains or losses on terminated contracts and
offsetting contracts are recognized in the results of operations in the periods
in which the hedged transactions occur.
 
  Use of Estimates
 
     Company management has made a number of estimates and assumptions relating
to the reporting of assets and liabilities in conformity with generally accepted
accounting principles. Actual results could differ from these estimates.
 
  Reclassifications
 
     Certain prior years' amounts have been reclassified to conform to the
current year presentation.
 
NOTE 2. SUPPLEMENTAL FINANCIAL STATEMENT DATA (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                         1996       1997        1998
                                                        -------   ---------   ---------
<S>                                                     <C>       <C>         <C>
Net Interest Income
  Interest income.....................................  $13,134   $  13,223   $  15,952
  Interest expense....................................       --          --      12,135
                                                        -------   ---------   ---------
  Net interest income.................................  $13,134   $  13,223   $   3,817
                                                        =======   =========   =========
  Cash paid for interest..............................  $    --   $      --   $   2,073
                                                        =======   =========   =========
Inventories
  Finished goods......................................            $ 137,762   $ 126,363
  Work in process.....................................               56,352      28,287
  Raw materials and component parts...................               30,360      31,866
                                                                  ---------   ---------
                                                                  $ 224,474   $ 186,516
                                                                  =========   =========
Property and Equipment
  Land and buildings..................................            $  53,080   $  92,234
  Machinery and equipment.............................              285,986     415,469
  Furniture and fixtures..............................               13,260      14,060
  Leasehold improvements..............................               63,335      79,490
                                                                  ---------   ---------
                                                                    415,661     601,253
  Accumulated depreciation and amortization...........             (167,766)   (254,266)
                                                                  ---------   ---------
  Net property and equipment..........................            $ 247,895   $ 346,987
                                                                  =========   =========
</TABLE>
 
NOTE 3. LONG-TERM DEBT
 
  Line of Credit
 
     In January 1998, and as amended in February and June 1998, the Company
replaced its then existing revolving credit facility with a secured revolving
credit and term loan facility ("Senior Bank Facility"). The Senior Bank Facility
provides the Company with a $200 million revolving credit line and a $50 million
term
 
                                       37
<PAGE>   38
                          WESTERN DIGITAL CORPORATION
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
loan, both of which expire in January 2001. The Senior Bank Facility is secured
by the Company's accounts receivable, inventory, 66% of its stock in its foreign
subsidiaries and the other assets (excluding real property) of the Company. At
the option of the Company, borrowings bear interest at either Libor plus a
margin determined by a total debt funded ratio or a base rate, with option
periods of one to six months. The Senior Bank Facility requires the Company to
maintain certain financial ratios, prohibits the payment of dividends and
contains a number of other restrictive covenants. As of June 27, 1998, the $50
million term loan was funded but there were no borrowings under the revolving
credit line.
 
  Convertible Debentures
 
     On February 18, 1998, the Company received gross proceeds of $460.1 million
(before the Initial Purchasers' discount) from a private offering of 5.25% zero
coupon convertible subordinated debentures due in 2018. The principal amount at
maturity of the Debentures is $1.3 billion. The Debentures are subordinated to
all senior debt; are convertible into 19.4 million shares of the Company's
common stock at the rate of 14.935 shares per $1,000 principal amount at
maturity; are redeemable at the option of the Company any time after February
18, 2003 at the issue price plus accrued original issue discount to the date of
redemption; and will be repurchased by the Company, at the option of the holder,
as of February 18, 2003, February 18, 2008 or February 18, 2013, or if there is
a Fundamental Change (as defined in the Debenture documents), at the issue price
plus accrued original issue discount to the date of redemption.
 
NOTE 4. COMMITMENTS AND CONTINGENT LIABILITIES
 
  Operating Leases
 
     The Company leases certain facilities and equipment under long-term,
non-cancelable operating leases which expire at various dates through 2015.
Rental expense under these leases, including month-to-month rentals, was $27.2,
$32.2, and $39.3 million in 1996, 1997, and 1998, respectively.
 
     Future minimum rental payments under non-cancelable operating leases as of
June 27, 1998 are as follows (in thousands):
 
<TABLE>
<S>                                                         <C>
1999......................................................    40,665
2000......................................................    30,525
2001......................................................    19,052
2002......................................................     9,010
2003......................................................     3,505
Thereafter................................................    29,975
                                                            --------
          Total future minimum rental payments............  $132,732
                                                            ========
</TABLE>
 
  Legal Proceedings
 
     The Company was sued by Amstrad PLC ("Amstrad") in December 1992 in Orange
County Superior Court. The complaint alleges that hard drives supplied by the
Company in calendar 1988 and 1989 were defective and caused damages to Amstrad
of $186.0 million in out-of-pocket expenses, lost profits, injury to Amstrad's
reputation and loss of goodwill. The Company filed a counterclaim for $3.0
million in actual damages in addition to exemplary damages in an unspecified
amount. The Company believes that it has meritorious defenses to Amstrad's
claims and intends to vigorously defend itself against the Amstrad claims and to
press its claims against Amstrad in this action. The case is scheduled for trial
in September 1998. Although the Company believes that the final disposition of
this matter will not have an adverse effect on the Company's financial condition
or operating results, if Amstrad were to prevail on its claims, a judgment for a
material amount could be awarded against the Company.
 
                                       38
<PAGE>   39
                          WESTERN DIGITAL CORPORATION
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
     Between December 12, 1997 and February 24, 1998, eight class action suits
were filed against the Company and certain of its officers and directors. The
plaintiffs in the actions purport to represent purchasers of the Company's
common stock during various periods ranging from July 25, 1996, through December
2, 1997 (collectively, the "Class Periods"). The complaints allege that the
Company issued false and misleading statements during the respective Class
Periods concerning the outlook for the Company's operations and earnings and
that the Company issued false and misleading financial statements in fiscal
years 1996 and 1997 by improperly deferring the write-down of obsolete
inventory. The complaints seek compensatory damages for the purported class
members in an unspecified amount. The Court ordered the cases consolidated and
designated the plaintiffs in the first case filed as the lead plaintiffs and the
law firm representing such plaintiffs as lead counsel. The Company filed a
motion to dismiss the amended consolidated complaint which was granted by the
Court with prejudice.
 
     The Company is also subject to other legal proceedings and claims which
arise in the ordinary course of its business. Although occasional adverse
decisions or settlements may occur, the Company believes that the final
disposition of such matters will not have a material adverse effect on its
financial position, results of operations or liquidity.
 
NOTE 5. INCOME TAXES
 
     The domestic and international components of income (loss) before income
taxes are as follows (in thousands):
 
<TABLE>
<CAPTION>
                                                          1996       1997       1998
                                                        --------   --------   ---------
<S>                                                     <C>        <C>        <C>
United States.........................................  $(10,877)  $105,884   $(348,397)
International.........................................   118,741    208,935      56,389
                                                        --------   --------   ---------
Income (loss) before income taxes.....................  $107,864   $314,819   $(292,008)
                                                        ========   ========   =========
</TABLE>
 
     The components of the provision (benefit) for income taxes are as follows
(in thousands):
 
<TABLE>
<CAPTION>
                                                          1996       1997       1998
                                                        --------   --------   ---------
<S>                                                     <C>        <C>        <C>
Current
  United States.......................................  $    400   $ 29,153   $  (6,195)
  International.......................................    10,262      9,964       4,905
  State...............................................       310      8,106        (501)
                                                        --------   --------   ---------
                                                          10,972     47,223      (1,791)
Deferred, net.........................................        (2)        --          --
                                                        --------   --------   ---------
Provision (benefit) for income taxes..................  $ 10,970   $ 47,223   $  (1,791)
                                                        ========   ========   =========
</TABLE>
 
     The tax benefits associated with the exercise of non-qualified stock
options, the disqualifying disposition of stock acquired with incentive stock
options, and the disqualifying disposition of stock acquired under the employee
stock purchase plan reduce taxes currently payable as shown above by $20.2 and
$2.3 million for 1997 and 1998, respectively. Such benefits are credited to
additional paid-in capital.
 
     The total cash paid for income taxes was $4.5 million, $19.2 million and
$16.9 million for the years ended June 29, 1996, June 28, 1997 and June 27,
1998, respectively.
 
                                       39
<PAGE>   40
                          WESTERN DIGITAL CORPORATION
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
     Temporary differences and carryforwards which give rise to a significant
portion of deferred tax assets and liabilities at June 28, 1997, and June 27,
1998 are as follows (in thousands):
 
<TABLE>
<CAPTION>
                                                                1997        1998
                                                              --------    ---------
<S>                                                           <C>         <C>
Deferred tax assets:
  NOL carryforward..........................................  $ 11,079    $  83,649
  Business credit carryforward..............................    30,104       29,323
  Reserves and accrued expenses not currently deductible....    69,557      122,454
  All other.................................................     1,854       18,920
                                                              --------    ---------
                                                               112,594      254,346
  Valuation allowance.......................................   (86,608)    (254,297)
                                                              --------    ---------
          Total deferred tax assets.........................  $ 25,986    $      49
                                                              ========    =========
Deferred tax liabilities:
  Unremitted income of foreign subsidiaries.................  $ 40,640    $  17,163
  All other.................................................         5        3,148
                                                              --------    ---------
          Total deferred tax liabilities....................  $ 40,645    $  20,311
                                                              ========    =========
</TABLE>
 
     SFAS 109 requires deferred taxes to be determined for each tax paying
component of an enterprise within each tax jurisdiction. The deferred tax assets
indicated above are attributable to tax jurisdictions where a history of
earnings has not been established. The taxable earnings in these tax
jurisdictions is also subject to volatility. Therefore, the Company believes a
valuation allowance is needed to reduce the deferred tax asset to an amount that
is more likely than not to be realized. The Company increased this valuation
allowance in 1998 because of the losses incurred in these jurisdictions.
 
     Reconciliation of the United States Federal statutory rate to the Company's
effective tax rate is as follows:
 
<TABLE>
<CAPTION>
                                                          1996       1997       1998
                                                          -----      -----      -----
<S>                                                       <C>        <C>        <C>
U.S. Federal statutory rate.............................   35.0%      35.0%     (35.0)%
State income taxes, net.................................    0.2        1.7       (0.2)
Tax rate differential on international income...........  (30.7)     (12.7)     (15.5)
Effect of valuation allowance...........................    3.8      (10.0)      46.5
Other...................................................    1.9        1.0        3.6
                                                          -----      -----      -----
Effective tax rate......................................   10.2%      15.0%      (0.6)%
                                                          =====      =====      =====
</TABLE>
 
     Certain income of selected subsidiaries is taxed at substantially lower
income tax rates as compared with local statutory rates. The lower rates reduced
income taxes and increased net earnings or reduced the net loss by $30.1 million
($.31 per share, diluted), $58.5 million ($.63 per share, diluted) and by $17.1
million ($.20 per share, diluted) in 1996, 1997 and 1998, respectively. These
lower rates are in effect through fiscal year 2004.
 
     At June 27, 1998, the Company had federal net operating loss carryforwards
and tax credits of $218.1 million and $29.3 million, respectively. The loss
carryforwards expire in fiscal years 2008 through 2013 and the credit
carryforwards expire in fiscal years 1999 through 2012.
 
     Net undistributed earnings from international subsidiaries at June 27, 1998
were $523.7 million. The net undistributed earnings are intended to finance
local operating requirements.
 
                                       40
<PAGE>   41
                          WESTERN DIGITAL CORPORATION
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
NOTE 6. SHAREHOLDERS' EQUITY
 
     The following table summarizes all shares of common stock reserved for
issuance at June 27, 1998 (in thousands):
 
<TABLE>
<CAPTION>
                                                               NUMBER
                                                              OF SHARES
                                                              ---------
<S>                                                           <C>
Issuable in connection with:
  Convertible debentures....................................   19,374
  Exercise of stock options, including options available for
     grant..................................................   16,430
  Employee stock purchase plan..............................    2,373
                                                               ------
                                                               38,177
                                                               ======
</TABLE>
 
  Stock Option Plans
 
     Western Digital's Employee Stock Option Plan ("Employee Plan") is
administered by the Compensation Committee of the Board of Directors, which
determines the vesting provisions, the form of payment for the shares and all
other terms of the options. Terms of the Employee Plan require that the exercise
price of options be not less than the fair market value of the common stock on
the date of grant. Options granted generally vest 25% one year from the date of
grant and in twelve quarterly increments thereafter and have a ten-year term. As
of June 27, 1998, 4,659,113 options were exercisable and 3,327,523 options were
available for grant. Participants in the Employee Plan may be permitted to
utilize stock purchased previously as consideration to exercise options or to
exercise on a cashless basis, pursuant to the terms of the Employee Plan.
 
     In 1985, the Company adopted the Stock Option Plan for Non-Employee
Directors ("Director Plan") and reserved 1.6 million shares for issuance
thereunder. The Director Plan was restated and amended in 1995. The Director
Plan provides for initial option grants to new directors of 30,000 shares per
director and additional grants of 7,500 options per director each year upon
their reelection as a director at the annual shareholders' meeting. Terms of the
Director Plan require that options have a ten-year term and that the exercise
price of options be not less than the fair market value at the date of grant. As
of June 27, 1998, 153,750 options were exercisable and 750,964 options were
available for grant. The following table summarizes activity under the Employee
and Director Plans combined (in thousands, except per share amounts):
 
<TABLE>
<CAPTION>
                                                                   WEIGHTED AVERAGE
                                                        NUMBER      EXERCISE PRICE
                                                       OF SHARES      PER SHARE
                                                       ---------   ----------------
<S>                                                    <C>         <C>
OPTIONS OUTSTANDING AT JULY 1, 1995..................    9,176          $ 5.33
Granted..............................................    3,904            9.30
Exercised, net of value of redeemed shares...........   (1,936)           4.00
Canceled or expired..................................   (1,802)           7.32
                                                        ------          ------
OPTIONS OUTSTANDING AT JUNE 29, 1996.................    9,342            6.90
Granted..............................................    3,630           17.26
Exercised, net of value of redeemed shares...........   (2,790)           5.11
Canceled or expired..................................     (596)           9.80
                                                        ------          ------
OPTIONS OUTSTANDING AT JUNE 28, 1997.................    9,586           11.20
Granted..............................................    4,433           27.17
Exercised, net of value of redeemed shares...........   (1,166)           7.54
Canceled or expired..................................     (502)          20.00
                                                        ------          ------
OPTIONS OUTSTANDING AT JUNE 27, 1998.................   12,351          $16.92
                                                        ======          ======
</TABLE>
 
                                       41
<PAGE>   42
                          WESTERN DIGITAL CORPORATION
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
     The following tables summarize information about options outstanding and
exercisable under the Employee and Director Plans combined at June 27, 1998 (in
thousand, except per share amounts):
 
<TABLE>
<CAPTION>
                                                 OPTIONS OUTSTANDING                    OPTIONS EXERCISABLE
                                    ---------------------------------------------   ----------------------------
                                                WEIGHTED AVERAGE
                                     NUMBER     CONTRACTUAL LIFE      WEIGHTED       NUMBER     WEIGHTED AVERAGE
     RANGE OF EXERCISE PRICES       OF SHARES      (IN YEARS)      EXERCISE PRICE   OF SHARES    EXERCISE PRICE
     ------------------------       ---------   ----------------   --------------   ---------   ----------------
<S>                                 <C>         <C>                <C>              <C>         <C>
$ 1.44 - $ 8.81...................    4,201           6.24             $ 7.11         3,248          $ 6.76
  8.88 -  18.56...................    3,321           8.14              12.71         1,272           11.96
 18.63 -  34.19...................    4,387           9.20              27.11           244           27.53
 34.50 -  48.50...................      442           8.99              40.66            49           34.94
                                     ------           ----             ------         -----          ------
          Total...................   12,351           7.90             $16.92         4,813          $ 9.48
                                     ======           ====             ======         =====          ======
</TABLE>
 
  Stock Purchase Rights
 
     In 1989, the Company implemented a plan to protect shareholders' rights in
the event of a proposed takeover of the Company. Under the plan, each share of
the Company's outstanding common stock carries one Right to Purchase Series "A"
Junior Participating Preferred Stock ("the Right"). The Right enables the
holder, under certain circumstances, to purchase common stock of Western Digital
or of the acquiring Company at a substantially discounted price ten days after a
person or group publicly announces it has acquired or has tendered an offer for
15% or more of the Company's outstanding common stock. The Rights are redeemable
by the Company at $.01 per Right and expire in 1999.
 
  Employee Stock Purchase Plan
 
     During 1994, the Company implemented an employee stock purchase plan
("ESPP") in accordance with Section 423 of the Internal Revenue Code whereby
eligible employees may authorize payroll deductions of up to 10% of their salary
to purchase shares of the Company's common stock at 85% of the fair market value
of common stock on the date of grant or the exercise date, whichever is less.
Approximately 7.0 million shares of common stock have been reserved for issuance
under this plan. Approximately 1,292,000, 1,136,000 and 1,231,000 shares were
issued under this plan during 1996, 1997 and 1998, respectively.
 
  Savings and Profit Sharing Plan
 
     Effective July 1, 1991, the Company adopted an annual Savings and Profit
Sharing Plan covering eligible domestic employees. The Company authorized 6.5%
and 4.1% of defined pre-tax profits to be allocated to the participants in 1996
and 1997, respectively. Payments to participants of the Savings and Profit
Sharing Plan were $7.1 and $12.6 million in 1996 and 1997, respectively. No
amounts were paid under the plan in 1998.
 
  Common Stock Repurchase Program
 
     In February 1995, the Company established an open market stock repurchase
program. Under this program, the Company has spent $323.4 million in connection
with the repurchase of 22.2 million shares of its common stock at an average
price of $14.55 per share. The $323.4 million includes the acquisition price of
Western Digital common stock and amounts paid to settle certain put option
arrangements entered into in connection with the open market stock repurchase
program.
 
  Pro Forma Information
 
     Pro forma information regarding net income (loss) and earnings (loss) per
share is required by SFAS No. 123. This information is required to be determined
as if the Company had accounted for its stock options
 
                                       42
<PAGE>   43
                          WESTERN DIGITAL CORPORATION
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
(including shares issued under the Stock Option Plans and the ESPP, collectively
called "options") granted subsequent to July 1, 1995, under the fair value
method of that statement.
 
     The fair value of options granted in 1996, 1997 and 1998 reported below has
been estimated at the date of grant using a Black-Scholes option pricing model
with the following weighted average assumptions:
 
<TABLE>
<CAPTION>
                                     STOCK OPTION PLANS          ESPP PLAN
                                    --------------------    --------------------
                                    1996    1997    1998    1996    1997    1998
                                    ----    ----    ----    ----    ----    ----
<S>                                 <C>     <C>     <C>     <C>     <C>     <C>
Option life (in years)............  5.0     4.0     4.5     2.0     2.0     2.0
Risk-free interest rate...........  6.5%    6.0%    5.5%    6.5%    6.0%    5.5%
Stock price volatility............  .49     .58     .76     .49     .58     .76
Dividend yield....................   --      --      --      --      --      --
</TABLE>
 
     The following is a summary of the per share weighted average fair value of
stock options granted in the years listed below:
 
<TABLE>
<CAPTION>
                                                     1996     1997      1998
                                                     -----    -----    ------
<S>                                                  <C>      <C>      <C>
Options granted under the Stock Option Plans.......  $4.90    $9.10    $17.10
Shares granted under the ESPP Plan.................  $4.20    $6.75    $ 7.39
</TABLE>
 
     The Company applies APB Opinion No. 25 in accounting for its stock option
and ESPP plans and, accordingly, no compensation expense has been recognized for
the options in the consolidated financial statements. Had the Company determined
compensation expense based on the fair value at the grant date for its options
under SFAS No. 123, the Company's net income (loss) and net earnings (loss) per
share would have been reduced to the amounts indicated below:
 
<TABLE>
<CAPTION>
                                                        YEAR ENDED
                                             ---------------------------------
                                             JUNE 29,    JUNE 28,    JUNE 27,
                                               1996        1997        1998
                                             --------    --------    ---------
<S>                                          <C>         <C>         <C>
Pro forma net income (loss) (in
  thousands)...............................  $92,870     $254,831    $(324,178)
Pro forma net earnings (loss) per share:
  Basic....................................  $  1.00     $   2.92    $   (3.70)
  Diluted..................................  $   .96     $   2.72    $   (3.70)
</TABLE>
 
     Pro forma net income (loss) and net earnings (loss) per share reflects only
options granted in the years ended June 29, 1996, June 28, 1997, and June 27,
1998. Therefore, the full impact of calculating compensation expense for options
under SFAS No. 123 is not reflected in the pro forma net income (loss) amounts
presented above because compensation expense is reflected over the options'
vesting period and compensation expense for options granted before July 2, 1995
is not considered.
 
NOTE 7. BUSINESS SEGMENT AND INTERNATIONAL OPERATIONS
 
     Western Digital currently operates in one industry segment -- the design,
development, manufacture and marketing of hard drives for the computer
marketplace. During 1996 and 1997, sales to Gateway 2000 and to IBM accounted
for 11% and 13% of the Company's revenues, respectively. During 1998, sales to
Compaq accounted for 14% of the Company's revenues.
 
     The Company's operations outside the United States include manufacturing
facilities in Singapore and Malaysia as well as sales offices throughout the
world.
 
     The following table summarizes operations by entities located within the
indicated geographic areas for the past three years. United States revenues to
unaffiliated customers include export sales to various countries in Eastern
Europe and Asia of $674.1, $763.5, and $606.7 million in 1996, 1997, and 1998,
respectively.
 
                                       43
<PAGE>   44
                          WESTERN DIGITAL CORPORATION
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
     Transfers between geographic areas are accounted for at prices comparable
to normal sales through outside distributors. General and corporate expenses of
$61.5, $62.8, and $77.6 million in 1996, 1997, and 1998, respectively, have been
excluded in determining operating income (loss) by geographic region.
 
<TABLE>
<CAPTION>
                                                     UNITED
                                                     STATES   EUROPE    ASIA    ELIMINATIONS   TOTAL
                                                     ------   ------   ------   ------------   ------
                                                                      (IN MILLIONS)
<S>                                                  <C>      <C>      <C>      <C>            <C>
Year ended June 29, 1996
  Sales to unaffiliated customers..................  $2,084   $  735   $   46     $    --      $2,865
  Transfers between geographic areas...............     869       96    2,540      (3,505)         --
                                                     ------   ------   ------     -------      ------
  Revenues, net....................................  $2,953   $  831   $2,586     $(3,505)     $2,865
                                                     ======   ======   ======     =======      ======
  Operating income.................................  $   21   $    9   $  113     $    (4)     $  139
                                                     ======   ======   ======     =======      ======
  Identifiable assets..............................  $  569   $  143   $  276     $    (4)     $  984
                                                     ======   ======   ======     =======      ======
Year ended June 28, 1997
  Sales to unaffiliated customers..................  $2,980   $1,107   $   91     $    --      $4,178
  Transfers between geographic areas...............   1,340      167    3,646      (5,153)         --
                                                     ------   ------   ------     -------      ------
  Revenues, net....................................  $4,320   $1,274   $3,737     $(5,153)     $4,178
                                                     ======   ======   ======     =======      ======
  Operating income.................................  $  158   $   15   $  200     $    (8)     $  365
                                                     ======   ======   ======     =======      ======
  Identifiable assets..............................  $  733   $  186   $  404     $   (16)     $1,307
                                                     ======   ======   ======     =======      ======
Year ended June 27, 1998
  Sales to unaffiliated customers..................  $2,630   $  886   $   26     $    --      $3,542
  Transfers between geographic areas...............     998      166    3,324      (4,488)         --
                                                     ------   ------   ------     -------      ------
  Revenues, net....................................  $3,628   $1,052   $3,350     $(4,488)     $3,542
                                                     ======   ======   ======     =======      ======
  Operating income (loss)..........................  $ (271)  $    7   $   66     $   (20)     $ (218)
                                                     ======   ======   ======     =======      ======
  Identifiable assets..............................  $  907   $  116   $  455     $   (35)     $1,443
                                                     ======   ======   ======     =======      ======
</TABLE>
 
NOTE 8. SALE OF BUSINESSES
 
  Sale of Multimedia Business
 
     In October 1995, the Company sold its multimedia business to Philips
Semiconductors, Inc. ("Philips") for $51.9 million cash, resulting in a
one-time, pre-tax gain of $17.3 million. Through this transaction, Philips
acquired specific intellectual properties and assumed certain liabilities
directly related to the multimedia business.
 
  Sale of High Speed Fiber-Optic Communication Links Business
 
     In March 1996, the Company sold its high speed fiber-optic communication
links business to Vixel Corporation for $1.2 million cash as well as other
non-cash consideration. This transaction was not material to the Company's
financial position or results of operations.
 
                                       44
<PAGE>   45
                          WESTERN DIGITAL CORPORATION
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
  Sale of Input/Output Products Business
 
     During April 1996, the Company disposed of its input/output products
business, which represented the final element of its microcomputer products
group. The transaction included the sale of related assets and resulted in a
restructuring of the Company's other support organizations. The restructuring
resulted in a personnel reduction of 102 people, not including employees that
were hired by the purchaser, Adaptec, Inc. The net result of the asset sale and
related restructuring charges is included in selling, general and administrative
expenses and was not material to the Company's 1996 results of operations. The
consideration received and related costs associated with the sale of the
input/output products business are as follows (in millions):
 
<TABLE>
<S>                                                           <C>
Sales price.................................................  $ 32.4
Assets sold or written off:
  Inventory, net............................................   (18.0)
  Property and equipment....................................    (2.5)
  Prepaid expenses..........................................     (.5)
                                                              ------
Total assets sold or written off............................   (21.0)
Accruals for severance, facilities, contractual commitments
  and other miscellaneous items.............................   (11.4)
                                                              ------
                                                              $   --
                                                              ======
</TABLE>
 
     As of June 29, 1996, $8.7 million of the accruals for severance,
facilities, contractual commitments and other miscellaneous items remained.
Substantially all of these accruals were utilized in 1997 to settle obligations
resulting from the sale and related restructuring.
 
NOTE 9. EARNINGS (LOSS) PER SHARE
 
     As discussed in Note 1, the Company adopted SFAS No. 128 effective December
27, 1997. The following table illustrates the computation of basic and diluted
earnings (loss) per share under the provisions of SFAS No. 128.
 
<TABLE>
<CAPTION>
                                                                 YEARS ENDED
                                                       -------------------------------
                                                       JUNE 29,   JUNE 28,   JUNE 27,
                                                         1996       1997       1998
                                                       --------   --------   ---------
<S>                                                    <C>        <C>        <C>
Numerator:
  Numerator for basic and diluted earnings (loss)
     per share -- net income (loss).................   $96,894    $267,596   $(290,217)
Denominator:
  Denominator for basic earnings (loss) per share --
     weighted average number of common shares
     outstanding during the period..................    92,559      87,261      87,525
  Incremental common shares attributable to exercise
     of outstanding options, put options and ESPP
     contributions..................................     3,689       6,261          --
                                                       -------    --------   ---------
Denominator for diluted earnings (loss) per share...    96,248      93,522      87,525
                                                       =======    ========   =========
Basic earnings (loss) per share.....................   $  1.05    $   3.07   $   (3.32)
                                                       =======    ========   =========
Diluted earnings (loss) per share...................   $  1.01    $   2.86   $   (3.32)
                                                       =======    ========   =========
</TABLE>
 
     Substantially all options were included in the computation of diluted
earnings per share for 1996 and 1997. In 1998, 12.4 million shares relating to
the possible exercise of outstanding stock options and 19.4 million shares
issuable upon conversion of the convertible debentures were not included in the
computation of diluted loss per share as their effect would have been
anti-dilutive.
                                       45
<PAGE>   46
                          WESTERN DIGITAL CORPORATION
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
NOTE 10. QUARTERLY RESULTS OF OPERATIONS (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                    FIRST       SECOND*       THIRD       FOURTH**
                                                  ----------   ----------   ----------   ----------
                                                      (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                                               <C>          <C>          <C>          <C>
1997
  Revenues, net.................................  $  883,115   $1,118,647   $1,096,212   $1,079,883
  Gross profit..................................     112,889      163,389      184,855      189,150
  Operating income..............................      35,769       71,835       94,062       99,930
  Net income....................................      32,878       64,229       82,595       87,894
  Basic earnings per share......................         .38          .73          .95         1.02
  Diluted earnings per share....................  $      .36   $      .68   $      .88   $      .95
                                                  ==========   ==========   ==========   ==========
1998
  Revenues, net.................................  $1,090,164   $  969,564   $  831,294   $  650,503
  Gross profit (loss)...........................     161,059      (55,548)      36,279      (41,740)
  Operating income (loss).......................      72,063     (147,198)     (58,221)    (162,469)
  Net income (loss).............................      62,707     (145,183)     (45,022)    (162,719)
  Basic earnings (loss) per share...............         .72        (1.66)        (.51)       (1.84)
  Diluted earnings (loss) per share.............  $      .67   $    (1.66)  $     (.51)  $    (1.84)
                                                  ==========   ==========   ==========   ==========
</TABLE>
 
- ---------------
 * Second quarter 1998 results include special charges of $148 million recorded
   primarily to cost of sales.
 
** Fourth quarter 1998 results include $22 million of costs recorded to research
   and development principally related to the start-up of the IBM Agreement.
 
                                       46
<PAGE>   47
 
                          WESTERN DIGITAL CORPORATION
 
         SCHEDULE II -- CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS
                        THREE YEARS ENDED JUNE 27, 1998
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                              ALLOWANCE FOR
                                                                DOUBTFUL
                                                                ACCOUNTS
                                                              -------------
<S>                                                           <C>
Balance at July 1, 1995.....................................     $ 9,309
  Charges to operations.....................................       1,279
  Deductions................................................      (1,212)
                                                                 -------
Balance at June 29, 1996....................................       9,376
  Charges to operations.....................................       7,116
  Deductions................................................      (4,786)
                                                                 -------
Balance at June 28, 1997....................................      11,706
  Charges to operations.....................................       4,674
  Deductions................................................        (454)
                                                                 -------
Balance at June 27, 1998....................................     $15,926
                                                                 =======
</TABLE>
 
                                       47
<PAGE>   48
 
ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND
        FINANCIAL DISCLOSURE
 
     None.
 
                                    PART III
 
ITEM 10. DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT
 
     There is incorporated herein by reference the information required by this
Item included in the Company's Proxy Statement for the 1998 Annual Meeting of
Shareholders under the captions "Election of Directors" and "Section 16(a)
Beneficial Ownership Reporting Compliance," which will be filed with the
Securities and Exchange Commission no later than 120 days after the close of the
fiscal year ended June 27, 1998.
 
ITEM 11. EXECUTIVE COMPENSATION
 
     There is incorporated herein by reference the information required by this
Item included in the Company's Proxy Statement for the 1998 Annual Meeting of
Shareholders under the captions "Executive Compensation," "Compensation
Committee Interlocks and Insider Participation" and "Stock Performance Graph,"
which will be filed with the Securities and Exchange Commission no later than
120 days after the close of the fiscal year ended June 27, 1998.
 
ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT
 
     There is incorporated herein by reference the information required by this
Item included in the Company's Proxy Statement for the 1998 Annual Meeting of
Shareholders under the caption "Security Ownership of Beneficial Owners," which
will be filed with the Securities and Exchange Commission no later than 120 days
after the close of the fiscal year ended June 27, 1998.
 
ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS
 
     There is incorporated herein by reference the information required by this
Item included in the Company's Proxy Statement for the 1998 Annual Meeting of
Shareholders under the caption "Certain Relationships and Related Transactions,"
which will be filed with the Securities and Exchange Commission no later than
120 days after the close of the fiscal year ended June 27, 1998.
 
                                    PART IV
 
ITEM 14. EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K
 
     (a) DOCUMENTS FILED AS A PART OF THIS REPORT:
 
       (1) INDEX TO FINANCIAL STATEMENTS
 
           The financial statements included in Part II, Item 8 of this document
           are filed as part of this Report.
 
         (2) FINANCIAL STATEMENT SCHEDULES
 
             The financial statement schedule included in Part II, Item 8 of
             this document is filed as part of this Report.
 
     All other schedules are omitted as the required information is inapplicable
or the information is presented in the consolidated financial statements or
related notes.
 
     Separate consolidated financial statements of the Company have been omitted
as the Company is primarily an operating company and its subsidiaries are wholly
owned and do not have minority equity interests and/or indebtedness to any
person other than the Company in amounts which together exceed 5% of the total
consolidated assets as shown by the most recent year-end consolidated balance
sheet.
                                       48
<PAGE>   49
 
     (3) EXHIBITS
 
<TABLE>
<CAPTION>
EXHIBIT
NUMBER                             DESCRIPTION
- -------                            -----------
<S>        <C>
 3.2.2     By-laws of the Company, as amended March 20, 1997(14)
 3.3       Certificate of Agreement of Merger(2)
 3.4.1     Certificate of Amendment and Restatement of Certificate of
           Incorporation dated March 27, 1997(14)
 4.1       Rights Agreement between the Company and First Interstate
           Bank, Ltd., as Rights Agent, dated as of December 1, 1988
           (incorporated by reference to Exhibit 1 to the Company's
           Current Report on Form 8-K as filed with the Securities and
           Exchange Commission on December 12, 1988)
 4.2       Amendment No. 1 to Rights Agreement by and between the
           Company and First Interstate Bank, Ltd. dated as of August
           10, 1990 (incorporated by reference to Exhibit 1 to the
           Company's Current Report on Form 8-K as filed with the
           Securities and Exchange Commission on August 14, 1990)
 4.2.1     Amendment No. 2 to Rights Agreement dated as of January 19,
           1997, by and between Western Digital Corporation and
           American Stock Transfer & Trust Company, as Rights Agent
           (incorporated by reference to Exhibit 1 to the Company's
           Current Report on Form 8-K as filed with the Securities and
           Exchange Commission on February 5, 1997)
 4.3       Certificate of Designation, Preferences and Rights of Series
           A Junior Participating Preferred Stock of the Company
           (incorporated by reference to Exhibit A of Exhibit 1 to the
           Company's Current Report on Form 8-K as filed with the
           Securities and Exchange Commission on December 12, 1988)
 4.4       Purchase Agreement dated February 12, 1998, by and between
           the Company and the Initial Purchasers named therein(19)
 4.5       Indenture, dated as of February 18, 1998, between the
           Company and State Street Bank and Trust Company of
           California, N.A.(19)
 4.6       Registration Rights Agreement, dated as of February 18,
           1998, by and between the Company and the Initial Purchasers
           named therein(19)
 4.7       The Company's Zero Coupon Convertible Subordinated Debenture
           due 2018 and the Global Form of the Company's Zero Coupon
           Convertible Subordinated Debenture due 2018 (which is
           identical to the Company's Zero Coupon Convertible
           Subordinated Debenture due 2018, except for certain
           provisions as marked)(19)
10.1.3     Western Digital Corporation Amended and Restated Employee
           Stock Option Plan, as amended on November 13, 1997* **
10.3.2     Western Digital Corporation 1993 Employee Stock Purchase
           Plan, as amended on November 13, 1997* **
10.4       Receivables Contribution and Sale Agreements, dated as of
           January 7, 1994 by and between the Company, as seller, and
           Western Digital Capital Corporation, as buyer(5)
10.5       Receivables Purchase Agreement, dated as of January 7, 1994,
           by and among Western Digital Capital Corporation, as seller,
           the Company, as servicer, the Financial Institutions listed
           therein, as bank purchasers and J.P. Morgan Delaware, as
           administrative agent(5)
10.6       First Amendment to Receivables Purchase Agreement, dated
           March 23, 1994, by and between Western Digital Corporation,
           as seller and the Financial Institutions listed therein as
           bank purchasers and administrative agents(5)
10.7       Assignment Agreement, dated as of March 23, 1994, by and
           between J. P. Morgan Delaware as Bank Purchaser and Assignor
           and the Bank of California, N.A. and the Long-term Credit
           Bank of Japan, LTD., Los Angeles Agency, as Assignees(5)
10.8       Asset Purchase Agreement dated December 16, 1993 by and
           between Motorola, Inc. and Western Digital regarding the
           sale and purchase of Western Digital's wafer fabrication
           facilities and certain related assets(4)
10.10.1    Western Digital Corporation Deferred Compensation Plan, as
           amended and restated effective January 1, 1998(16)**
</TABLE>
 
                                       49
<PAGE>   50
 
<TABLE>
<CAPTION>
EXHIBIT
NUMBER                             DESCRIPTION
- -------                            -----------
<S>        <C>
10.11      The Western Digital Corporation Executive Bonus Plan(6)**
10.11.1    Amendment No. 1 to the Western Digital Corporation Executive
           Bonus Plan* **
10.12      The Extended Severance Plan of the Registrant(6)**
10.12.1    Amendment No. 1 to the Company's Extended Severance
           Plan(11)**
10.13      Manufacturing Building Lease between Wan Tien Realty Pte Ltd
           and Western Digital (Singapore) Pte Ltd dated as of November
           9, 1993 (incorporated by reference to Exhibit 10.17.1 to the
           Company's Quarterly Report on Form 10-Q as filed with the
           Securities and Exchange Commission on January 25, 1994)
10.16.1    Western Digital Long-Term Retention Plan, as amended July
           10, 1997(15)**
10.17      Subleases between Wan Tien Realty Pte Ltd and Western
           Digital (Singapore) Pte Ltd dated as of September 1, 1991(1)
10.18      Sublease between Wan Tien Realty Pte Ltd and Western Digital
           (Singapore) Pte Ltd dated as of October 12, 1992(1)
10.21.1    The Company's Non-Employee Directors Stock-For-Fees Plan,
           Amended and Restated as of January 9, 1997(14)**
10.22      Office Building Lease between The Irvine Company and the
           Company dated as of January 13, 1988 (incorporated by
           reference to Exhibit 10.11 to Amendment No. 2 to the
           Company's Annual Report to Form 10-K as filed on Form 8 with
           the Securities and Exchange Commission on November 18,
           1988)(8)
10.30      The Company's Savings and Profit Sharing Plan(9)**
10.31      First Amendment to the Company's Savings and Profit Sharing
           Plan(9)**
10.32      Second Amendment to the Company's Savings and Profit Sharing
           Plan(10)**
10.32.1    Third Amendment to the Company's Retirement Savings and
           Profit Sharing Plan(12)**
10.32.2    Fourth Amendment to the Company's Retirement Savings and
           Profit Sharing Plan(14)**
10.32.3    Fifth Amendment to the Company's Retirement Savings and
           Profit Sharing Plan* **
10.33      The Company's Amended and Restated Stock Option Plan for
           Non-Employee Directors, amended as of July 10, 1997(15)**
10.34      Fiscal Year 1998 Western Digital Management Incentive
           Plan(15)**
10.38      Revolving Credit and Term Loan Agreement, dated as of
           January 28, 1998, among Western Digital Corporation,
           BankBoston, N.A. and other lending institutions listed
           therein(17)
10.38.1    First Amendment to Revolving Credit and Term Loan Agreement,
           dated as of February 13, 1998, among Western Digital
           Corporation, BankBoston, N.A. and other lending institutions
           named therein(18)
10.38.2    Second Amendment to Revolving Credit and Term Loan
           Agreement, dated as of February 25, 1998, among Western
           Digital Corporation, BankBoston, N.A. and other lending
           institutions named therein*
10.38.3    Third Amendment to Revolving Credit and Term Loan Agreement,
           dated as of June 26, 1998, among Western Digital
           Corporation, BankBoston, N.A. and other lending institutions
           named therein*
10.40      OEM Component Supply and Technology License Agreement, dated
           June 7, 1998, between Western Digital Corporation and IBM
           Corporation***
10.41      OEM Sales and Purchase Agreement, dated June 7, 1998,
           between Western Digital Corporation and IBM Corporation***
21         Subsidiaries of the Company
23         Consent of Independent Auditors
27         Financial Data Schedule
</TABLE>
 
                                       50
<PAGE>   51
 
<TABLE>
<CAPTION>
EXHIBIT
NUMBER                             DESCRIPTION
- -------                            -----------
<S>        <C>
99.1       Press Release Regarding Judgment against Seagate Technology,
           Inc. in favor of Amstrad plc by the English Court(14)
</TABLE>
 
- ---------------
   * New exhibit filed with this Report.
 
  ** Compensation plan, contract or arrangement required to be filed as an
     exhibit pursuant to applicable rules of the Securities and Exchange
     Commission.
 
 *** New exhibit filed with this Report, with confidential treatment requested.
 
 (1) Incorporated by reference to the Company's Annual Report on Form 10-K as
     filed with the Securities and Exchange Commission on September 28, 1992.
 
 (2) Incorporated by reference to Amendment No. 2 to the Company's Registration
     Statement on Form S-1 (No. 33-54968) as filed with the Securities and
     Exchange Commission on January 26, 1993.
 
 (3) Incorporated by reference to the Company's Registration Statement on Form
     S-8 (No. 33-51725) as filed with the Securities and Exchange Commission on
     December 28, 1993.
 
 (4) Incorporated by reference to the Company's Current Report on Form 8-K as
     filed with the Securities and Exchange Commission on January 5, 1994.
 
 (5) Incorporated by reference to the Company's Quarterly Report on Form 10-Q as
     filed with the Securities and Exchange Commission on May 9, 1994.
 
 (6) Incorporated by reference to the Company's Annual Report on Form 10-K as
     filed with the Securities and Exchange Commission on September 23, 1994.
 
 (7) Incorporated by reference to the Company's Quarterly Report on Form 10-Q as
     filed with the Securities and Exchange Commission on May 16, 1995.
 
 (8) Subject to confidentiality order dated November 21, 1988.
 
 (9) Incorporated by reference to the Company's Annual Report on Form 10-K as
     filed with the Securities and Exchange Commission on September 27, 1995.
 
(10) Incorporated by reference to the Company's Annual Report on Form 10-K as
     filed with the Securities and Exchange Commission on September 16, 1996.
 
(11) Incorporated by reference to the Company's Quarterly Report on Form 10-Q as
     filed with the Securities and Exchange Commission on November 11, 1996.
 
(12) Incorporated by reference to the Company's Quarterly Report on Form 10-Q as
     filed with the Securities and Exchange Commission on February 10, 1997.
 
(13) Incorporated by reference to the Company's Current Report on Form 8-K as
     filed with the Securities and Exchange Commission on February 5, 1997.
 
(14) Incorporated by reference to the Company's Quarterly Report on Form 10-Q as
     filed with the Securities and Exchange Commission on May 9, 1997.
 
(15) Incorporated by reference to the Company's Annual Report on Form 10-K as
     filed with the Securities and Exchange Commission on September 12, 1997.
 
(16) Incorporated by reference to the Company's Registration Statement on Form
     S-8 (No. 333-41423) as filed with the Securities and Exchange Commission on
     December 3, 1997.
 
(17) Incorporated by reference to the Company's Quarterly Report on Form 10-Q as
     filed with the Securities and Exchange Commission on February 5, 1998.
 
(18) Incorporated by reference to the Company's Quarterly Report on Form 10-Q as
     filed with the Securities and Exchange Commission on May 12, 1998.
 
(19) Incorporated by reference to the Company's Registration Statement on Form
     S-3 (No. 333-52463) as filed with the Securities and Exchange Commission on
     May 12, 1998.
     (b) REPORTS ON FORM 8-K:
 
         No reports on Form 8-K were filed during the fourth quarter of 1998.
 
                                       51
<PAGE>   52
 
                                   SIGNATURES
 
     Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the Registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized.
 
                                          WESTERN DIGITAL CORPORATION
 
                                          By:         DUSTON M. WILLIAMS
                                            ------------------------------------
                                                     Duston M. Williams
                                                   Senior Vice President
                                                and Chief Financial Officer
 
Dated: September 1, 1998
 
     Pursuant to the requirements of the Securities Exchange Act of 1934, this
report has been signed below by the following persons on behalf of the
Registrant and in the capacities indicated on September 1, 1998.
 
<TABLE>
<CAPTION>
                       SIGNATURE                                                TITLE
                       ---------                                                -----
<C>                                                             <S>
                  CHARLES A. HAGGERTY                           Chairman of the Board, President and
- --------------------------------------------------------        Chief Executive Officer (Principal
                  Charles A. Haggerty                           Executive Officer)
 
                   DUSTON M. WILLIAMS                           Senior Vice President and Chief
- --------------------------------------------------------        Financial Officer (Principal Financial
                   Duston M. Williams                           and Accounting Officer)
 
                  JAMES A. ABRAHAMSON                           Director
- --------------------------------------------------------
                  James A. Abrahamson
 
                   PETER D. BEHRENDT                            Director
- --------------------------------------------------------
                   Peter D. Behrendt
 
                      I. M. BOOTH                               Director
- --------------------------------------------------------
                      I. M. Booth
 
                     IRWIN FEDERMAN                             Director
- --------------------------------------------------------
                     Irwin Federman
 
                     ANDRE R. HORN                              Director
- --------------------------------------------------------
                     Andre R. Horn
 
                    ANNE O. KRUEGER                             Director
- --------------------------------------------------------
                    Anne O. Krueger
 
                    THOMAS E. PARDUN                            Director
- --------------------------------------------------------
                    Thomas E. Pardun
</TABLE>
 
                                       52
<PAGE>   53
 
                                 EXHIBIT INDEX
 
<TABLE>
<CAPTION>
EXHIBIT
NUMBER                             DESCRIPTION
- -------                            -----------
<S>        <C>
 3.2.2     By-laws of the Company, as amended March 20, 1997(14)
 3.3       Certificate of Agreement of Merger(2)
 3.4.1     Certificate of Amendment and Restatement of Certificate of
           Incorporation dated March 27, 1997(14)
 4.1       Rights Agreement between the Company and First Interstate
           Bank, Ltd., as Rights Agent, dated as of December 1, 1988
           (incorporated by reference to Exhibit 1 to the Company's
           Current Report on Form 8-K as filed with the Securities and
           Exchange Commission on December 12, 1988)
 4.2       Amendment No. 1 to Rights Agreement by and between the
           Company and First Interstate Bank, Ltd. dated as of August
           10, 1990 (incorporated by reference to Exhibit 1 to the
           Company's Current Report on Form 8-K as filed with the
           Securities and Exchange Commission on August 14, 1990)
 4.2.1     Amendment No. 2 to Rights Agreement dated as of January 19,
           1997, by and between Western Digital Corporation and
           American Stock Transfer & Trust Company, as Rights Agent
           (incorporated by reference to Exhibit 1 to the Company's
           Current Report on Form 8-K as filed with the Securities and
           Exchange Commission on February 5, 1997)
 4.3       Certificate of Designation, Preferences and Rights of Series
           A Junior Participating Preferred Stock of the Company
           (incorporated by reference to Exhibit A of Exhibit 1 to the
           Company's Current Report on Form 8-K as filed with the
           Securities and Exchange Commission on December 12, 1988)
 4.4       Purchase Agreement dated February 12, 1998, by and between
           the Company and the Initial Purchasers named therein(19)
 4.5       Indenture, dated as of February 18, 1998, between the
           Company and State Street Bank and Trust Company of
           California, N.A.(19)
 4.6       Registration Rights Agreement, dated as of February 18,
           1998, by and between the Company and the Initial Purchasers
           named therein(19)
 4.7       The Company's Zero Coupon Convertible Subordinated Debenture
           due 2018 and the Global Form of the Company's Zero Coupon
           Convertible Subordinated Debenture due 2018 (which is
           identical to the Company's Zero Coupon Convertible
           Subordinated Debenture due 2018, except for certain
           provisions as marked)(19)
10.1.3     Western Digital Corporation Amended and Restated Employee
           Stock Option Plan, as amended on November 13, 1997* **
10.3.2     Western Digital Corporation 1993 Employee Stock Purchase
           Plan, as amended on November 13, 1997* **
10.4       Receivables Contribution and Sale Agreements, dated as of
           January 7, 1994 by and between the Company, as seller, and
           Western Digital Capital Corporation, as buyer(5)
10.5       Receivables Purchase Agreement, dated as of January 7, 1994,
           by and among Western Digital Capital Corporation, as seller,
           the Company, as servicer, the Financial Institutions listed
           therein, as bank purchasers and J.P. Morgan Delaware, as
           administrative agent(5)
10.6       First Amendment to Receivables Purchase Agreement, dated
           March 23, 1994, by and between Western Digital Corporation,
           as seller and the Financial Institutions listed therein as
           bank purchasers and administrative agents(5)
10.7       Assignment Agreement, dated as of March 23, 1994, by and
           between J. P. Morgan Delaware as Bank Purchaser and Assignor
           and the Bank of California, N.A. and the Long-term Credit
           Bank of Japan, LTD., Los Angeles Agency, as Assignees(5)
10.8       Asset Purchase Agreement dated December 16, 1993 by and
           between Motorola, Inc. and Western Digital regarding the
           sale and purchase of Western Digital's wafer fabrication
           facilities and certain related assets(4)
</TABLE>
<PAGE>   54
 
<TABLE>
<CAPTION>
EXHIBIT
NUMBER                             DESCRIPTION
- -------                            -----------
<S>        <C>
10.10.1    Western Digital Corporation Deferred Compensation Plan, as
           amended and restated effective January 1, 1998(16)**
10.11      The Western Digital Corporation Executive Bonus Plan(6)**
10.11.1    Amendment No. 1 to the Western Digital Corporation Executive
           Bonus Plan* **
10.12      The Extended Severance Plan of the Registrant(6)**
10.12.1    Amendment No. 1 to the Company's Extended Severance
           Plan(11)**
10.13      Manufacturing Building Lease between Wan Tien Realty Pte Ltd
           and Western Digital (Singapore) Pte Ltd dated as of November
           9, 1993 (incorporated by reference to Exhibit 10.17.1 to the
           Company's Quarterly Report on Form 10-Q as filed with the
           Securities and Exchange Commission on January 25, 1994)
10.16.1    Western Digital Long-Term Retention Plan, as amended July
           10, 1997(15)**
10.17      Subleases between Wan Tien Realty Pte Ltd and Western
           Digital (Singapore) Pte Ltd dated as of September 1, 1991(1)
10.18      Sublease between Wan Tien Realty Pte Ltd and Western Digital
           (Singapore) Pte Ltd dated as of October 12, 1992(1)
10.21.1    The Company's Non-Employee Directors Stock-For-Fees Plan,
           Amended and Restated as of January 9, 1997(14)**
10.22      Office Building Lease between The Irvine Company and the
           Company dated as of January 13, 1988 (incorporated by
           reference to Exhibit 10.11 to Amendment No. 2 to the
           Company's Annual Report to Form 10-K as filed on Form 8 with
           the Securities and Exchange Commission on November 18,
           1988)(8)
10.30      The Company's Savings and Profit Sharing Plan(9)**
10.31      First Amendment to the Company's Savings and Profit Sharing
           Plan(9)**
10.32      Second Amendment to the Company's Savings and Profit Sharing
           Plan(10)**
10.32.1    Third Amendment to the Company's Retirement Savings and
           Profit Sharing Plan(12)**
10.32.2    Fourth Amendment to the Company's Retirement Savings and
           Profit Sharing Plan(14)**
10.32.3    Fifth Amendment to the Company's Retirement Savings and
           Profit Sharing Plan* **
10.33      The Company's Amended and Restated Stock Option Plan for
           Non-Employee Directors, amended as of July 10, 1997(15)**
10.34      Fiscal Year 1998 Western Digital Management Incentive
           Plan(15)**
10.38      Revolving Credit and Term Loan Agreement, dated as of
           January 28, 1998, among Western Digital Corporation,
           BankBoston, N.A. and other lending institutions listed
           therein(17)
10.38.1    First Amendment to Revolving Credit and Term Loan Agreement,
           dated as of February 13, 1998, among Western Digital
           Corporation, BankBoston, N.A. and other lending institutions
           named therein(18)
10.38.2    Second Amendment to Revolving Credit and Term Loan
           Agreement, dated as of February 25, 1998, among Western
           Digital Corporation, BankBoston, N.A. and other lending
           institutions named therein*
10.38.3    Third Amendment to Revolving Credit and Term Loan Agreement,
           dated as of June 26, 1998, among Western Digital
           Corporation, BankBoston, N.A. and other lending institutions
           named therein*
10.40      OEM Component Supply and Technology License Agreement, dated
           June 7, 1998, between Western Digital Corporation and IBM
           Corporation***
10.41      OEM Sales and Purchase Agreement, dated June 7, 1998,
           between Western Digital Corporation and IBM Corporation***
</TABLE>
<PAGE>   55
 
<TABLE>
<CAPTION>
EXHIBIT
NUMBER                             DESCRIPTION
- -------                            -----------
<S>        <C>
21         Subsidiaries of the Company
23         Consent of Independent Auditors
27         Financial Data Schedule
99.1       Press Release Regarding Judgment against Seagate Technology,
           Inc. in favor of Amstrad plc by the English Court(14)
</TABLE>
 
- ---------------
   * New exhibit filed with this Report.
 
  ** Compensation plan, contract or arrangement required to be filed as an
     exhibit pursuant to applicable rules of the Securities and Exchange
     Commission.
 
 *** New exhibit filed with this Report, with confidential treatment requested.
 
 (1) Incorporated by reference to the Company's Annual Report on Form 10-K as
     filed with the Securities and Exchange Commission on September 28, 1992.
 
 (2) Incorporated by reference to Amendment No. 2 to the Company's Registration
     Statement on Form S-1 (No. 33-54968) as filed with the Securities and
     Exchange Commission on January 26, 1993.
 
 (3) Incorporated by reference to the Company's Registration Statement on Form
     S-8 (No. 33-51725) as filed with the Securities and Exchange Commission on
     December 28, 1993.
 
 (4) Incorporated by reference to the Company's Current Report on Form 8-K as
     filed with the Securities and Exchange Commission on January 5, 1994.
 
 (5) Incorporated by reference to the Company's Quarterly Report on Form 10-Q as
     filed with the Securities and Exchange Commission on May 9, 1994.
 
 (6) Incorporated by reference to the Company's Annual Report on Form 10-K as
     filed with the Securities and Exchange Commission on September 23, 1994.
 
 (7) Incorporated by reference to the Company's Quarterly Report on Form 10-Q as
     filed with the Securities and Exchange Commission on May 16, 1995.
 
 (8) Subject to confidentiality order dated November 21, 1988.
 
 (9) Incorporated by reference to the Company's Annual Report on Form 10-K as
     filed with the Securities and Exchange Commission on September 27, 1995.
 
(10) Incorporated by reference to the Company's Annual Report on Form 10-K as
     filed with the Securities and Exchange Commission on September 16, 1996.
 
(11) Incorporated by reference to the Company's Quarterly Report on Form 10-Q as
     filed with the Securities and Exchange Commission on November 11, 1996.
 
(12) Incorporated by reference to the Company's Quarterly Report on Form 10-Q as
     filed with the Securities and Exchange Commission on February 10, 1997.
 
(13) Incorporated by reference to the Company's Current Report on Form 8-K as
     filed with the Securities and Exchange Commission on February 5, 1997.
 
(14) Incorporated by reference to the Company's Quarterly Report on Form 10-Q as
     filed with the Securities and Exchange Commission on May 9, 1997.
 
(15) Incorporated by reference to the Company's Annual Report on Form 10-K as
     filed with the Securities and Exchange Commission on September 12, 1997.
 
(16) Incorporated by reference to the Company's Registration Statement on Form
     S-8 (No. 333-41423) as filed with the Securities and Exchange Commission on
     December 3, 1997.
 
(17) Incorporated by reference to the Company's Quarterly Report on Form 10-Q as
     filed with the Securities and Exchange Commission on February 5, 1998.
 
(18) Incorporated by reference to the Company's Quarterly Report on Form 10-Q as
     filed with the Securities and Exchange Commission on May 12, 1998.
 
(19) Incorporated by reference to the Company's Registration Statement on Form
     S-3 (No. 333-52463) as filed with the Securities and Exchange Commission on
     May 12, 1998.

<PAGE>   1
                                                                  EXHIBIT 10.1.3



                           WESTERN DIGITAL CORPORATION
                              AMENDED AND RESTATED
                           EMPLOYEE STOCK OPTION PLAN


         1. Purpose. The purpose of this Western Digital Corporation Employee
Stock Option Plan (the "Plan") is to further the growth and development of
Western Digital Corporation (the "Company") and its subsidiaries by providing,
through ownership of stock of the Company, an incentive to officers and other
key employees who are in a position to contribute materially to the prosperity
of the Company, to increase such persons' interest in the Company's welfare, to
encourage them to continue their services to the Company or its subsidiaries,
and to attract individuals of outstanding ability to enter the employment of the
Company or its subsidiaries.

         2. Incentive and Nonqualified Stock Options. Two types of options
(referred to herein as "options" without distinction between such two types) may
be granted under the Plan: options intended to qualify as incentive stock
options ("Incentive Stock Options") under Section 422 of the Internal Revenue
Code of 1986, as amended (the "Code"); and other options not specifically
authorized or qualified for favorable income tax treatment by the Code
("Nonqualified Stock Options").

         3. Administration.

         3.1 Administration by Board. Subject to Section 3.2, the Plan shall be
administered by the Board of Directors of the Company (the "Board"). Subject to
the provisions of the Plan, the Board shall have authority to construe and
interpret the Plan, to promulgate, amend, and rescind rules and regulations
relating to its administration, from time to time to select from among the
eligible employees (as determined pursuant to Section 4) of the Company and its
subsidiaries those employees to whom options will be granted, to determine the
timing and manner of the grant of the options, to determine the exercise price,
the number of shares covered by and all of the terms of the options, to
determine the duration and purpose of leaves of absence which may be granted to
optionees without constituting termination of their employment for purposes of
the Plan, and to make all of the determinations necessary or advisable for
administration of the Plan. The interpretation and construction by the Board of
any provision of the Plan, or of any grant or agreement issued and executed
under the Plan, shall be final and binding upon all parties. No member of the
Board shall be liable for any action or determination undertaken or made in good
faith with respect to the Plan or any agreement executed pursuant to the Plan.

         3.2 Administration by Committee. The Board may, in its sole discretion,
delegate any or all of its administrative duties to a committee appointed by the
Board (the "Committee") consisting of three Board members, each of whom, during
such time as one or more persons eligible to receive options under the Plan is
subject to Section 16 of the Securities Exchange Act of 1934, as amended (the
"Exchange Act") shall be disinterested within the meaning of Rule 16b-3 under
the Exchange Act (or any successor rule, "Rule 16b-3") and shall qualify as
"outside directors" as defined in the regulations under Code Section 162(m),
provided, however, that the Board may from time to time increase the size of the
Committee, and add additional members to, or remove members from, the Committee.
The Committee shall act pursuant to a majority vote, or the written consent of a
majority of its members, and minutes shall be kept of all of its meetings and
copies thereof shall be provided to the Board. Subject to the provisions of the
Plan and the directions of the Board, the Committee may establish and follow
such rules and regulations for the conduct of its business as it may deem
advisable. No member of the Committee shall be liable for any action or
determination undertaken or made in good faith with respect to the Plan or any
agreement executed pursuant to the Plan. The Board or the Committee, as the case
may be, is sometimes referred to herein as the "Administrator."

         4. Eligibility. Any employee (including any officer who is an employee)
of the Company or any of its subsidiaries who does not own stock possessing more
than 10% of the total combined voting power of all outstanding shares of all
classes of stock of the Company or any of its parent or subsidiary corporations
shall be eligible to receive a grant or grants of such options under the Plan;
provided, however, that notwithstanding the foregoing, any employee of the
Company who owns stock possessing more than 10% of the total combined voting
power of all outstanding shares of all classes of stock of the Company or any of
its parent or subsidiary corporations shall be eligible to receive a grant or
grants of such options under the Plan if at the time such options are granted
the option exercise price therefor is at least 110% of the Fair Market Value (as
defined below) of the shares subject to the option and such option by its terms



                                       1
<PAGE>   2

is not exercisable after the expiration of five years from the date such option
is granted. An employee may receive more than one option under the Plan.
Notwithstanding the foregoing, no person who is a director of the Company shall
be eligible to receive an option under the Plan unless the granting of such
option shall be effected in such a manner as not to impair the Plan's
qualification under Rule 16b-3.

         5. Shares Subject to Options. The stock available for issuance upon
exercise of stock options granted under the Plan shall be shares of the
Company's authorized but unissued, or reacquired, Common Stock. The aggregate
number of shares that may be issued after September 5, 1985, pursuant to
exercise of options granted under the Plan shall not exceed 15,450,000 shares of
Common Stock (subject to adjustment as provided herein). In the event that any
outstanding option under the Plan for any reason expires or is terminated, the
shares of Common Stock allocable to the unexercised portion of the option shall
not count against the share limit set forth herein and shall again be available
for issuance upon exercise of stock options granted under the Plan as if no
option had been granted with respect to such shares.

         6. Terms and Conditions of Options.

         6.1 Grants of Options. Subject to the express provisions of the Plan,
the Administrator shall from time to time in its discretion select those
individuals to whom options shall be granted, and shall determine the terms of
such options (which need not be identical) and the number of shares of Common
Stock for which each may be exercised. Notwithstanding anything to the contrary
herein, the number of shares of Common Stock with respect to which an option or
options may be granted to any optionee in any one taxable year of the Company
shall not exceed 400,000, subject to adjustment as provided herein (the "Maximum
Annual Employee Grant"). Each option shall be subject to the terms and
conditions of the Plan and such other terms and conditions established by the
Administrator as are not inconsistent with the purpose and provisions of the
Plan.

         6.2 Agreements or Confirming Memos. Options granted under the Plan may
but need not be evidenced by agreements (which need not be identical) in such
form and containing such provisions consistent with the Plan as the
Administrator shall from time to time approve. Options not documented by written
agreement shall be memorialized by a written confirming memorandum stating the
material terms of the option and provided to the option recipient. Each
agreement or confirming memorandum shall specify whether the subject option is
an Incentive Stock Option or a Nonqualified Stock Option.

         6.3 Optionee's Employment. Each optionee shall agree to remain in the
employ of, and to render services to, the Company or its subsidiaries for a
period of one year from the date the option is granted, but neither the Company
nor any of its subsidiaries shall be obligated to continue to employ the
optionee for any period.

         6.4 Option Exercise Price. The purchase price for the shares subject to
any option shall be determined by the Administrator but shall not be less than
100% of the Fair Market Value of the shares of Common Stock of the Company on
the date the option is granted. For purposes of the Plan, the "Fair Market
Value" of any share of Common Stock of the Company at any date shall be (a) if
the Common Stock is listed on an established stock exchange or exchanges, the
last reported sale price per share on such date on the principal exchange on
which it is traded, or if no sale was made on such date on such principal
exchange, at the closing reported bid price on such date on such exchange, or
(b) if the Common Stock is not then listed on an exchange, the average of the
closing bid and asked prices per share for the Common Stock in the
over-the-counter market as quoted on the Nasdaq National Market on such date, or
(c) if the Common Stock is not then listed on an exchange or quoted on the
Nasdaq National Market, an amount determined in good faith by the Administrator.

         6.5 Medium and Time of Payment. The purchase price for any shares
purchased pursuant to exercise of an option granted under the Plan shall be paid
in full upon exercise of the option in cash or such other consideration as the
Administrator may deem acceptable, including without limitation securities of
the Company (delivered by or on behalf of the person exercising the option or
retained by the Company from the stock otherwise issuable upon exercise and
valued at Fair Market Value as of the exercise date), provided, however, that
the Administrator may, in the exercise of its discretion, allow exercise of an
option in a broker-assisted or similar transaction in which the exercise price
is not received by the Company until promptly after exercise. Shares of Common
Stock transferred to the Company upon exercise of an option shall not increase
the number of shares available for issuance upon exercise of options granted
under the Plan. Notwithstanding the foregoing, the Company may extend and
maintain, or arrange for the extension 



                                       2
<PAGE>   3

and maintenance of, credit to any optionee to finance the optionee's purchase of
shares pursuant to exercise of any option, on such terms as may be approved by
the Administrator, subject to applicable regulations of the Federal Reserve
Board and any other laws or regulations in effect at the time such credit is
extended.

         6.6 Option Period and Vesting. Subject to Section 6.14, options granted
under the Plan shall vest and may be exercised as determined by the
Administrator, except that no option may vest and become exercisable at any time
prior to six months from the date the option is granted. Exercise of options
after termination of the optionee's employment shall be subject to Sections 6.13
and 6.14. Each option granted hereunder and all rights or obligations under such
option shall expire on such date as shall be determined by the Administrator,
but not later than ten years after the date the option is granted, or five years
after the date of grant in the case of an option recipient who at the time of
grant owns more than 10% of the total combined voting power of all outstanding
shares of all classes of stock of the Company or any of its parent or subsidiary
corporations, and shall be subject to earlier termination as herein provided.

         6.7 Exercise of Options. To the extent that an optionee has the right
to exercise an option, the option may be exercised from time to time by written
notice to the Company stating the number of shares being purchased and
accompanied by payment in full of the purchase price for such shares, except
that in no event shall the Company be required to issue fractional shares upon
the exercise of an option, and the Administrator may, in its discretion, require
that any exercise of an option be for at least 100 shares or, if less, the total
number of shares for which the option is then exercisable. Any certificate(s)
for outstanding securities of the Company used to pay the purchase price shall
be accompanied by stock power(s) duly endorsed in blank by the registered holder
of the certificate(s). In the event the certificate(s) tendered by the optionee
in such payment cover more shares than are required for such payment, the
certificate(s) shall also be accompanied by instructions from the optionee to
the Company's transfer agent with respect to disposition of the balance of the
securities covered thereby. Notwithstanding any other provision of this Plan,
the Administrator may impose such conditions upon the exercise of options
(including, without limitation, conditions limiting the time of exercise to
specified periods) as may be required to satisfy applicable regulatory
requirements, including without limitation Rule 16b-3, other relevant securities
laws and rules, and any applicable section of or rule under the Code. Whenever
shares of stock are to be issued upon exercise of an option granted under the
Plan or subsequently transferred, the Administrator shall have the right to
require the optionee or transferor to remit to the Company an amount sufficient
to satisfy any federal, state and local withholding tax requirements prior to
the delivery of any certificate or certificates for such shares. The
Administrator may, in the exercise of its discretion, allow satisfaction of tax
withholding requirements by accepting delivery of securities of the Company or
by withholding a portion of the stock otherwise issuable upon exercise of an
option.

         6.8 Nonassignability. No option granted under the Plan shall be
assignable or transferable except (i) by will or by the laws of descent and
distribution, or (ii) subject to the final sentence of this Section 6.8, upon
dissolution of marriage pursuant to a property settlement or domestic relations
order, or (iii) as permitted on a case-by-case basis in the discretion of, and
subject to such conditions as may be imposed by, the Administrator to permit
transfers to immediate family members, family trusts or family foundations of
the grantee under circumstances that would not adversely affect the interests of
the Company. During the lifetime of an optionee, an option granted to him or her
shall be exercisable only by the optionee (or the optionee's permitted
transferee) or his or her guardian or legal representative. Notwithstanding the
foregoing, Incentive Stock Options may not be assigned or transferred in
violation of Section 422(b)(5) of the Code (or any successor provision) or the
Treasury Regulations thereunder, and nothing herein is intended to allow such
assignment or transfer.

         6.9 Limit on Incentive Stock Options. Subject to Section 12.1, the
aggregate Fair Market Value (determined as of the time the option is granted) of
the stock for which Incentive Stock Options granted to any one employee under
all stock option plans of the Company and its parent and subsidiary corporations
first become exercisable during any calendar year after December 31, 1986 shall
not exceed $100,000.

         6.10 Restriction on Issuance of Shares. The issuance of options and
shares shall be subject to compliance with all of the applicable requirements of
law with respect to the issuance and sale of securities, including, without
limitation, any required qualification under the California Corporate Securities
Law of 1968, as amended.

         6.11 Investment Representation. Any optionee may be required, as a
condition of issuance of shares covered by his or her option, to represent that
the shares to be acquired pursuant to exercise of the option will be 



                                       3
<PAGE>   4

acquired for investment and without a view to distribution thereof; and in such
case, the Company may place a legend on the certificate evidencing the shares
reflecting the fact that they were acquired for investment and cannot be sold or
transferred unless registered under the Securities Act of 1933, as amended, or
unless counsel for the Company is satisfied that the circumstances of the
proposed transfer do not require such registration, and in addition, the Company
may issue stop transfer instructions to the transfer agent of the Company's
securities restricting the transfer of such shares.

         6.12 Rights as a Shareholder or Employee. An optionee or transferee of
an option shall have no rights as a shareholder of the Company with respect to
any shares covered by any option until (i) the Company has received all amounts
payable in connection with the exercise of the option, including the exercise
price and any amounts required by the Company to satisfy tax withholding
requirements, and (ii) a share certificate for such shares has been issued. No
adjustment shall be made for dividends (ordinary or extraordinary, whether cash,
securities, or other property) or distributions or other rights for which the
record date is prior to the date such share certificate is issued, except as
provided in Section 6.15. Nothing in the Plan or in any grant or option
agreement shall confer upon any employee any right to continue in the employ of
the Company or any of its subsidiaries or interfere in any way with any right of
the Company or any subsidiary to terminate the optionee's employment at any
time.

         6.13 Termination of Employment, Disability, or Death. In general,
subject to Section 6.14, options shall be exercisable by an optionee (or his or
her permitted successor in interest) following such optionee's termination of
employment only to the extent that such options had become exercisable on or
prior to the date of such termination. In the event an optionee ceases to be an
employee of the Company and its subsidiaries for any reason (other than cause)
while still living, any option or unexercised portion thereof granted to the
optionee may, to the extent such option was exercisable by the optionee on or
prior to the date he or she ceased to be an employee (or is accelerated pursuant
to Section 6.14 to a date within three months of termination of employment), be
exercised by the optionee within three months of the date on which he or she
ceased to be an employee, but in any event not later than the date of expiration
of the option. In the event of the death or disability (as defined in Section
105(d)(4) of the Code) of the optionee while he or she is an employee of the
Company or any of its subsidiaries or within not more than three months of the
date on which he or she ceased to be an employee for any reason other than
cause, any option or unexercised portion thereof granted to the optionee may, to
the extent such option was exercisable by the optionee on or prior to the date
of death or disability (or is accelerated pursuant to Section 6.14 to a date
within the period during which such option may be exercised as set forth below),
be exercised by the optionee or, if the optionee is then deceased or
incapacitated, by the optionee's personal representatives, heirs, or legatees at
any time prior to the later of (i) one year from the date on which the optionee
ceased to be an employee or (ii) the latest date the option could have been
exercised by the optionee if not disabled or dead, but in any event, not later
than the date of expiration of the option. Notwithstanding the foregoing,
however, if an optionee's employment with the Company and its subsidiaries is
terminated for cause, as determined by the Administrator in its sole discretion,
all options held by such optionee shall expire on the date of termination of
employment and thereafter shall not be exercisable in whole or in part.

         6.14 Modification, Extension, and Renewal of Options; Alteration of
Vesting and Exercise Periods. Subject to the terms and conditions and within the
specific limitations of the Plan, the Administrator may modify, extend, or renew
outstanding options granted under the Plan, accept the surrender of outstanding
options (to the extent not theretofore exercised), and authorize the granting of
new options in substitution therefor (to the extent not theretofore exercised)
except that no such modification, extension or renewal shall result in a
reduction in the exercise price of such option. Without limitation of the
foregoing and notwithstanding anything in this Plan to the contrary, the
Administrator may at any time and from time to time in its discretion (i)
designate shorter or longer periods than specified herein or in any particular
option grant or agreement following the termination of an optionee's employment
with the Company or any of its subsidiaries or the optionee's death or
disability during which the optionee may exercise options, provided, however,
that any shorter periods determined by the Administrator shall be effective only
if determined at the time of the grant of the affected option or if such shorter
period is agreed to in writing by the optionee, and any longer periods may not
extend beyond the original termination date of the affected option; (ii) subject
to the six-month minimum vesting period described in Section 6.6, accelerate
vesting of an option in whole or part by increasing the number of shares
purchasable at any particular time, provided that no such acceleration shall
increase the total number of shares for which the option may be exercised; and
(iii) extend the period after death or disability or termination of employment
during which vesting of all or any portion of any options that had not become
exercisable on or prior to the date thereof may occur. Notwithstanding the
foregoing, no option shall be modified in such a manner 



                                       4
<PAGE>   5

as to impair any rights of the optionee under the option, or to cause an
Incentive Stock Option to cease to qualify as such, without the consent of the
optionee.

         6.15 Recapitalization or Reorganization of the Company. Except as
otherwise provided herein, appropriate and proportionate adjustments shall be
made in the number and class of shares subject to the Plan, the Maximum Annual
Employee Grant, the option rights granted under the Plan, and the exercise price
of such option rights, in the event of a stock dividend (but only on Common
Stock), stock split, reverse stock split, recapitalization, reorganization,
merger, consolidation, separation, or like change in the capital structure of
the Company affecting the Common Stock of the Company. In the event of a
liquidation of the Company, or a merger, reorganization, or consolidation of the
Company with any other corporation in which the Company is not the surviving
corporation or the Company becomes a wholly-owned subsidiary of another
corporation, any unexercised options theretofore granted under the Plan shall be
deemed canceled unless the surviving corporation in any such merger,
reorganization, or consolidation elects to assume the options under the Plan or
to issue substitute options in place thereof; provided, however, that,
notwithstanding the foregoing, if such options would otherwise be canceled in
accordance with the foregoing, the optionee shall have the right, exercisable
during a ten-day period ending on the fifth day prior to such liquidation,
merger, reorganization, or consolidation, to exercise the optionee's option in
whole or in part without regard to any installment exercise provisions in the
optionee's option agreement. To the extent that the foregoing adjustments relate
to stock or securities of the Company, such adjustments shall be made by the
Administrator, the determination of which in that respect shall be final,
binding, and conclusive, provided that an Incentive Stock Option shall not
without the consent of the optionee be adjusted in a manner that causes the
option to fail to continue to qualify as an Incentive Stock Option.

         7. Termination or Amendment of Plan. The Board or the Committee may at
any time or from time to time suspend, terminate or amend the Plan; provided
that, without approval of the shareholders of the Company, there shall be,
except as specifically permitted by the Plan, no increase in the total number of
shares issuable upon exercise of options granted under the Plan, no change in
the class of persons eligible to receive options granted under the Plan, and no
extension of the latest date upon which options may be granted under the Plan;
and provided further that, without the consent of the optionee, no amendment may
adversely affect any then outstanding option or any unexercised portion thereof
without the consent of the holder of such option.

         8. Indemnification. In addition to such other rights of indemnification
as they may have as members of the Board or the Committee, the members of the
Board or the Committee administering the Plan shall be indemnified by the
Company against reasonable expenses, including attorney's fees, actually and
necessarily incurred in connection with the defense of any action, suit, or
proceeding, or in connection with any appeal therein, to which they or any of
them may be a party by reason of any action taken or failure to act under or in
connection with the Plan or any option granted thereunder, and against all
amounts paid by them in settlement thereof (provided such settlement is approved
by independent legal counsel selected by the Company) or paid by them in
satisfaction of a judgment in any action, suit, or proceeding, except in
relation to matters as to which it shall be adjudged in such action, suit, or
proceeding that such member is liable for negligence or misconduct in the
performance of his or her duties, provided that within 60 days after institution
of any such action, suit, or proceeding, the member shall in writing offer the
Company the opportunity, at its own expense, to handle and defend the same.

         9. 1978 Nonqualified Stock Option Plan. The Plan as set forth herein
constitutes an amendment and restatement of the Company's 1978 Nonqualified
Stock Option Plan which was adopted in 1978. The Administrator may, in its
discretion, authorize the conversion, to the fullest extent permitted by law, of
Nonqualified Stock Options granted under the 1978 Nonqualified Stock Option Plan
prior to such amendment to Incentive Stock Options under this Plan, as so
amended. Any such options converted to Incentive Stock Options shall be treated
as Incentive Stock Options for all purposes under the Plan; provided, however,
that none of the terms or conditions of any of such options, including, but not
limited to, the exercise price, the term of the option, and the time(s) within
which the option may be exercised, shall be altered or amended by reason of such
conversion.

         10. Options Granted Prior to Amendment and Restatement. The Plan, as
amended and restated from time to time, shall, in the discretion of the
Administrator, apply to and govern options granted under the Plan prior to the
date of any such amendment or restatement, subject to the consent of any holder
of an option who would be disadvantaged by application to such option of the
Plan as amended and restated after the grant of such option.




                                       5
<PAGE>   6

         11. Term of Plan. Unless sooner terminated by the Board or the
Committee in its sole discretion, the Plan will expire on November 10, 2004 (the
"Termination Date"). Options may be granted under the Plan until midnight on the
Termination Date, whereupon the Plan shall terminate. No options may be granted
during any suspension of the Plan or after its termination. Notwithstanding the
foregoing, each option properly granted under the Plan shall remain in effect
until such option has been exercised or terminated in accordance with its terms
and the terms of the Plan.

         12. Miscellaneous.

         12.1 Plan Provisions Regarding Incentive Stock Options. Options
originally granted as Incentive Stock Options but that subsequently become
Nonqualified Stock Options need not satisfy any requirements of the Plan
applicable to Incentive Stock Options.

         12.2 Other Compensation Plans. The adoption of this Plan shall not
affect any other stock option, incentive, or compensation plans in effect for
the Company or any of its subsidiaries, and the Plan shall not preclude the
Company or any of its subsidiaries from establishing any other forms of
incentive compensation for employees, directors, or advisors of the Company or
any of its subsidiaries.


                                       ###


As amended (ss. 5, 6.4, 6.14) and restated 11/14/96
Amended 03/20/97:  (Section 6.8)
2-for-1 Stock Split/Dividend 05/20/97:  Doubled authorized shares to 30,900,000
Amended 11/13/97: (Section 3.2)



                                       6

<PAGE>   1
                                                                  EXHIBIT 10.3.2



                           WESTERN DIGITAL CORPORATION
                        1993 EMPLOYEE STOCK PURCHASE PLAN
- --------------------------------------------------------------------------------

         The Western Digital Corporation 1993 Employee Stock Purchase Plan (the
"Plan") shall be established and operated in accordance with the following terms
and provisions.

         1. Definitions.

         As used in the Plan the following terms shall have the meanings set
forth below:

         (a) "Board" means the Board of Directors of the Company.

         (b) "Code" means the Internal Revenue Code of 1986, as amended.

         (c) "Committee" means the committee appointed by the Board to
administer the Plan as described in Section 4 below.

         (d) "Common Stock" means the Common Stock, $0.01 par value, of the
Company.

         (e) "Company" means Western Digital Corporation, a Delaware
corporation.

         (f) "Continuous Employment" means the absence of any interruption or
termination of service as an Employee with the Company and/or its Participating
Subsidiaries. Continuous Employment shall not be considered interrupted in the
case of a leave of absence agreed to in writing by the Company, provided that
such leave is for a period of not more than 90 days or reemployment upon the
expiration of such leave is guaranteed by contract or statute.

         (g) "Eligible Compensation" means, with respect to each Participant for
each pay period, the full salary and wages paid to such Participant by the
Company or a Participating Subsidiary, including commissions, bonuses (to the
extent not excluded below), overtime pay and shift differentials. Except as
otherwise determined by the Committee, "Eligible Compensation" does not include

                  (i) any amounts contributed by the Company or a Participating
Subsidiary to any pension plan or plan of deferred compensation,

                  (ii) any automobile or relocation allowances (or reimbursement
for any such expenses),

                  (iii) any amounts paid as a starting bonus or finder's fee,

                  (iv) any amounts realized from the exercise of qualified or
non-qualified stock options, or

                  (v) any amounts paid by the Company or a Participating
Subsidiary for other fringe benefits, such as health and welfare,
hospitalization and group life insurance benefits, or perquisites, or paid in
lieu of such benefits, such as cash-out of credits generated under a plan
qualified under Code Section 125.

         (h) "Eligible Employee" means an Employee who is

                  (i) customarily employed for at least twenty (20) hours per
week and more than five months in a calendar year, and

                  (ii) eligible to participate in the Plan as described in
Section 5 below.

         If such person is (a) an Employee due to any classification or
reclassification of the person as an employee or common-law employee of the
Company or one of its Participating Subsidiaries by reason of action taken by
any tax or other governmental authority, or (b) an Employee who has a written
employment agreement providing that the Employee shall not participate in the
Plan until after two (2) years of Continuous Employment, then such Employee must
be employed for more than two (2) years by the Company or one of its
Participating Subsidiaries as well as meet the criteria set forth above in
subsections (i) and (ii) in order to be an Eligible Employee.

         (i) "Employee" means each person currently employed by the Company or
one of its Participating Subsidiaries. It shall not include any person who is
recorded on the books and records of the Company or one of its 



                                       1
<PAGE>   2

Participating Subsidiaries as an independent contractor or consultant or a
worker provided by a temporary staffing agency.

         (j) "Enrollment Date" means the first day of each Offering Period.

         (k) "Exercise Date" means each July 31 and January 31 during each
Offering Period.

         (l) "Exercise Period" means a period commencing on February 1 and
terminating on the following July 31 or commencing on August 1 and terminating
on the following January 31.

         (m) "Exercise Price" means the price per share of shares offered in a
given Offering Period determined as provided in Section 10 below.

         (n) "Fair Market Value" means, with respect to a share of Common Stock
as of any Enrollment Date or Exercise Date, the closing price of such Common
Stock on the New York Stock Exchange on such date, as reported in The Wall
Street Journal. In the event that such a closing price is not available for an
Enrollment Date or an Exercise Date, the Fair Market Value of a share of Common
Stock on such date shall be the closing price of a share of the Common Stock on
the New York Stock Exchange on the last business day prior to such date or such
other amount as may be determined by the Committee by any fair and reasonable
means.

         (o) "Offering Period" means a period of twenty-four (24) months during
which an option granted pursuant to the Plan may be exercised. A new Offering
Period shall begin on each February 1 and August 1.

         (p) "Participant" means an Eligible Employee who has elected to
participate in the Plan by filing an enrollment agreement with the Company as
provided in Section 7 below.

         (q) "Participating Subsidiary" means any Subsidiary other than a
Subsidiary excluded from participation in the Plan by the Committee, in its sole
discretion.

         (r) "Plan" means this Western Digital Corporation 1993 Employee Stock
Purchase Plan.

         (s) "Subsidiary" means any corporation, domestic or foreign, of which
the Company owns, directly or indirectly, not less than 50% of the total
combined voting power of all classes of stock or other equity interests and that
otherwise qualifies as a "subsidiary corporation" within the meaning of Section
424(f) of the Code or any successor thereto.

          2. Purpose of the Plan.

         The purpose of the Plan is to provide an incentive for present and
future Employees of the Company and its Participating Subsidiaries to acquire a
proprietary interest (or increase an existing proprietary interest) in the
Company through the purchase of Common Stock. It is the intention of the Company
that the Plan qualify as an "employee stock purchase plan" under Section 423 of
the Internal Revenue Code of 1986. Accordingly, the provisions of the Plan shall
be administered, interpreted and construed in a manner consistent with the
requirements of that section of the Code.

         3. Shares Reserved for the Plan.

         There shall be reserved for issuance and purchase by Participants under
the Plan an aggregate of 7,000,000 shares of Common Stock, subject to adjustment
as provided in Section 15 below. Shares of Common Stock subject to the Plan may
be newly issued shares or shares reacquired in private transactions or open
market purchases. If and to the extent that any right to purchase reserved
shares shall not be exercised by any Participant for any reason or if such right
to purchase shall terminate as provided herein, shares that have not been so
purchased hereunder shall again become available for the purposes of the Plan
unless the Plan shall have been terminated, but all shares sold under the Plan,
regardless of source, shall be counted against the limitation set forth above.




                                       2
<PAGE>   3

          4. Administration of the Plan.

         (a) The Plan shall be administered by a Committee appointed by, and
which shall serve at the pleasure of, the Board. The Committee shall consist of
not less than 3 members of the Board who are not officers or employees of the
Company or of any of its Subsidiaries and who are disinterested persons within
the terms of Rule 16b-3 promulgated under the Securities Exchange Act of 1934.
The Committee shall have authority to interpret the Plan, to prescribe, amend
and rescind rules and regulations relating to the Plan, and to make all other
determinations necessary or advisable for the administration of the Plan, all of
which actions and determinations shall be final, conclusive and binding on all
persons.

         (b) The Committee may request advice or assistance or employ such other
persons as it in its absolute discretion deems necessary or appropriate for the
proper administration of the Plan, including, but not limited to employing a
brokerage firm, bank or other financial institution to assist in the purchase of
shares, delivery of reports or other administrative aspects of the Plan.

          5. Eligibility to Participate in the Plan.

         Subject to limitations imposed by Section 423(b) of the Code, any
Employee who is employed by the Company or a Participating Subsidiary on an
Enrollment Date shall be eligible to participate in the Plan for the Offering
Period beginning on that Enrollment Date.

         6. Offering Periods.

         The Plan shall be implemented by consecutive Offering Periods with a
new Offering Period commencing on each February 1 and August 1 during the term
of the Plan. The first such Offering Period shall commence on February 1, 1994,
or as otherwise determined by the Committee. The Committee shall have the power
to change the duration of Offering Periods with respect to future offerings
without shareholder approval if such change is announced at least fifteen (15)
days prior to the scheduled beginning of the first Offering Period to be
affected.

          7. Election to Participate in the Plan.

         (a) Each Eligible Employee may elect to participate in the Plan by
completing an enrollment agreement in the form provided by the Company and
filing such enrollment agreement with the Company prior to the applicable
Enrollment Date, unless another time for filing the enrollment form is set by
the Committee for all Eligible Employees with respect to a given Offering
Period. An Eligible Employee may participate in an Offering Period only if, as
of the Enrollment Date of such Offering Period, such Eligible Employee is not
participating in any prior Offering Period which is continuing at the time of
such proposed enrollment.

         (b) Payroll deductions for a Participant shall commence on the first
payroll date following the Enrollment Date and shall end on the last payroll
date in the Offering Period to which such authorization is applicable, unless
sooner terminated by the Participant as provided in Section 12.

         (c) Unless a Participant elects otherwise prior to the Enrollment Date
of the immediately succeeding Offering Period, an Eligible Employee who is
participating in an Offering Period as of the last Exercise Date of such
Offering Period (the "Prior Offering Period") shall be deemed (i) to have
elected to participate in the immediately succeeding Offering Period and (ii) to
have authorized the same payroll deduction for such immediately succeeding
Offering Period as was in effect for such Participant immediately prior to the
expiration or termination of the Prior Offering Period.

         (d) The Committee, in its discretion, may terminate the participation
of all Participants in any Offering Period as of the last day of any Exercise
Period (a "Termination Date") and enroll such Participants in the new Offering
Period commencing immediately following such Termination Date if the Exercise
Price determined as of the Enrollment Date for such new Offering Period is lower
than the Exercise Price determined as of the Enrollment Date of the Offering
Period for which the Participants' participation is being terminated. In such
event, each of such Participants shall be deemed for purposes of this Plan (i)
to have elected to participate in such new Offering Period and 



                                       3
<PAGE>   4

(ii) to have authorized the same payroll deduction for such new Offering Period
as was in effect for such Participant immediately prior to the Termination Date.

         8. Payroll Deductions.

         (a) All Participant contributions to the Plan shall be made only by
payroll deductions. At the time a Participant files the enrollment agreement
with respect to an Offering Period, the Participant shall authorize payroll
deductions to be made on each payroll date during the Offering Period in an
amount of from 1% to 10% of the Eligible Compensation which the Participant
receives on each payroll date during such Offering Period. The amount of such
payroll deductions shall be a whole percentage (i.e., 1%, 2%, 3%, etc.) of the
Participant's Eligible Compensation.

         (b) All payroll deductions made for a Participant shall be deposited in
the Company's general corporate account and shall be credited to the
Participant's account under the Plan. No interest shall accrue or be credited
with respect to the payroll deductions of a Participant under the Plan. A
Participant may not make any additional payments into such account. All payroll
deductions received or held by the Company under the Plan may be used by the
Company for any corporate purpose, and the Company shall not be obligated to
segregate such payroll deductions.

         (c) A Participant may discontinue participation in the Plan as provided
in Section 12. A Participant may at any time during an Offering Period (but no
more than four times in any calendar year) reduce or increase (subject to the
limitations of Section 8(a) above) the rate of his or her payroll deductions by
completing and filing with the Company a change notice in the form provided by
the Company. Any such reduction in the rate of a Participant's payroll
deductions shall be effective as of the pay period specified by the Participant
in the Participant's change notice, but in no event sooner than the first pay
period ending more than fifteen (15) days after the Participant files the change
notice with the Company. Any such increase in the rate of a Participant's
payroll deductions shall be effective as of the first date of the next Exercise
Period within such Offering Period.

         9. Grant of Options.

         (a) On the Enrollment Date of each Offering Period, subject to the
limitations set forth in Sections 3 and 9(b) hereof, each Participant shall be
granted an option to purchase on each Exercise Date during such Offering Period
(at the Exercise Price determined as provided in Section 10 below) up to a
number of shares of the Company's Common Stock determined by dividing such
Participant's payroll deductions accumulated during the Exercise Period ending
on such Exercise Date by 85% of the fair market value of a share of the
Company's Common Stock on the Enrollment Date or on the Exercise Date, whichever
is lower, provided that the number of shares subject to the option shall not
exceed five (5) times the number of shares determined by dividing 10% of the
Participant's Eligible Compensation over the Offering Period (determined based
upon the Eligible Employee's rate of Eligible Compensation in effect as of the
Enrollment Date) by 85% of the Fair Market Value of a share of the Company's
Common Stock on the Enrollment Date.

         (b) Notwithstanding any provision of the Plan to the contrary, no
Participant shall be granted an option under the Plan (i) if, immediately after
the grant, such Participant (or any other person whose stock would be attributed
to such Participant pursuant to Section 424(d) of the Code) would own stock
and/or hold outstanding options to purchase stock possessing 5% or more of the
total combined voting power or value of all classes of stock of the Company or
of any Subsidiary of the Company, or (ii) which permits such Participant's
rights to purchase stock under all employee stock purchase plans of the Company
and its Subsidiaries to accrue at a rate which exceeds $25,000 of fair market
value of such stock (determined at the time such option is granted) for each
calendar year in which such option is outstanding at any time.

         10. Exercise Price.

         The Exercise Price of each of the shares offered in a given Offering
Period shall be the lower of: (i) 85% of the Fair Market Value of a share of the
Common Stock of the Company on the Enrollment Date; or (ii) 85% of the Fair
Market Value of a share of the Common Stock of the Company on the applicable
Exercise Date.



                                       4
<PAGE>   5
         11. Exercise of Options.

         Unless a Participant withdraws from the Plan as provided in Section 12,
the Participant's option for the purchase of shares will be exercised
automatically on each Exercise Date of the Offering Period, and the maximum
number of full shares subject to option will be purchased for the Participant at
the applicable Exercise Price with the accumulated payroll deductions in the
Participant's account. Any amount remaining in the Participant's account after
an Exercise Date shall be held in the account until the next Exercise Date in
such Offering Period, unless the Offering Period has been over-subscribed or has
terminated with such Exercise Date, in which event such amount shall be refunded
to the Participant.

         12. Withdrawal; Termination of Employment.

         (a) A Participant may withdraw all but not less than all of the payroll
deductions credited to the Participant's account under the Plan at any time by
giving written notice to the Company. All of the Participant's payroll
deductions credited to the Participant's account will be paid to him promptly
after receipt of the Participant's notice of withdrawal, the Participant's
participation in the Plan will be automatically terminated, and no further
payroll deductions for the purchase of shares will be made. Payroll deductions
will not resume on behalf of a Participant who has withdrawn from the Plan
unless written notice is delivered to the Company within the open enrollment
period preceding the commencement of an Exercise Period directing the Company to
resume payroll deductions.

         (b) Upon termination of the Participant's Continuous Employment prior
to the Exercise Date of an Offering Period for any reason, including retirement
or death, the payroll deductions credited to the Participant's account will be
returned to the Participant or, in the case of death, to the Participant's
estate, and the Participant's options to purchase shares under the Plan will be
automatically terminated.

         (c) In the event a Participant fails to maintain Continuous Employment
for at least twenty (20) hours per week during an Offering Period, the
Participant will be deemed to have elected to withdraw from the Plan, the
payroll deductions credited to the Participant's account will be returned to the
Participant, and the Participant's options to purchase shares under the Plan
will be terminated.

         (d) A Participant's withdrawal from an Offering Period will not have
any effect upon the Participant's eligibility to participate in a succeeding
Offering Period or in any similar plan which may hereafter be adopted by the
Company.

         13. Transferability.

         Options to purchase Common Stock granted under the Plan are not
transferable by a Participant other than by will or the laws of descent and
distribution and are exercisable during a Participant's lifetime only by the
Participant.

         14. Reports.

         Individual accounts will be maintained for each Participant in the
Plan. Statements of account will be given to Participants semi-annually promptly
following each Exercise Date, which statements will set forth the amounts of
payroll deductions, the per share purchase price, the number of shares purchased
and the remaining cash balance, if any.

         15. Adjustments Upon Changes in Capitalization.

         (a) If the outstanding shares of Common Stock are increased or
decreased, or are changed into or are exchanged for a different number or kind
of shares, as a result of one or more reorganizations, restructurings,
recapitalizations, reclassifications, stock splits, reverse stock splits, stock
dividends or the like, appropriate adjustment shall be made in the number and/or
kind of shares, and the per-share option price thereof, which may be issued in
the aggregate and to any Participant upon exercise of options granted under the
Plan.



                                       5
<PAGE>   6

         (b) In the event of the proposed dissolution or liquidation of the
Company, each Offering Period will terminate immediately prior to the
consummation of such proposed action, unless otherwise provided by the
Committee. In the event of a proposed sale of all or substantially all of the
assets of the Company, or the merger of the Company with or into another
corporation, each option under the Plan shall be assumed or an equivalent option
shall be substituted by such successor corporation or a parent or subsidiary of
such successor corporation, unless the Committee determines, in the exercise of
its sole discretion and in lieu of such assumption or substitution, that the
Participant shall have the right to exercise the option as to all of the
optioned stock, including shares as to which the option would not otherwise be
exercisable. If the Committee makes an option fully exercisable in lieu of
assumption or substitution in the event of a merger or sale of assets, the
Committee shall notify the Participant that the option shall be fully
exercisable for a period of thirty (30) days from the date of such notice, and
the option will terminate upon the expiration of such period.

         (c) In all cases, the Committee shall have full discretion to exercise
any of the powers and authority provided under this Section 15, and the
Committee's actions hereunder shall be final and binding on all Participants. No
fractional shares of stock shall be issued under the Plan pursuant to any
adjustment authorized under the provisions of this Section 15.

         16. Amendment of the Plan.

         The Board may at any time, or from time to time, amend the Plan in any
respect; provided, however, that the Plan may not be amended in any way that
will cause rights issued under the Plan to fail to meet the requirements for
employee stock purchase plans as defined in Section 423 of the Code or any
successor thereto, including, without limitation, shareholder approval if
required.

         17. Termination of the Plan.

         The Plan and all rights of Employees hereunder shall terminate:

         (a) on the Exercise Date that Participants become entitled to purchase
a number of shares greater than the number of reserved shares remaining
available for purchase under the Plan; or

         (b) at any time, at the discretion of the Board.

         In the event that the Plan terminates under circumstances described in
Section 17(a) above, reserved shares remaining as of the termination date shall
be sold to Participants on a pro rata basis.

         18. Notices.

         All notices or other communications by a Participant to the Company
under or in connection with the Plan shall be deemed to have been duly given
when received in the form specified by the Company at the location, or by the
person, designated by the Company for the receipt thereof.

         19. Shareholder Approval.

         Continuance of the Plan shall be subject to approval by the
shareholders of the Company within twelve months before or after the date the
Plan is adopted. If such shareholder approval is obtained at a duly held
shareholders' meeting, it may be obtained by the affirmative vote of the holders
of a majority of the outstanding shares of the Company present or represented
and entitled to vote thereon.

         20. Conditions Upon Issuance of Shares.

         (a) The Plan, the grant and exercise of options to purchase shares of
Common Stock under the Plan, and the Company's obligation to sell and deliver
shares upon the exercise of options to purchase shares shall be subject to all
applicable federal, state and foreign laws, rules and regulations, and to such
approvals by any regulatory or governmental agency as may, in the opinion of
counsel for the Company, be required.




                                       6
<PAGE>   7

         (b) The Company may make such provisions as it deems appropriate for
withholding by the Company pursuant to federal or state income tax laws of such
amounts as the Company determines it is required to withhold in connection with
the purchase or sale by a Participant of any Common Stock acquired pursuant to
the Plan. The Company may require a Participant to satisfy any relevant tax
requirements before authorizing any issuance of Common Stock to such
Participant.


                                       ###


Amended 11/14/96:  Authorized shares increased from 1,750,000 to 2,500,000.
Amended 03/11/97:  Par value reduced from $.10 to $.01.
2-for-1 Stock Split/Dividend 05/29/97:  Doubled authorized shares to 5,000,000
Amended 07/10/97:  15(a)  re antidilution provisions
Amended 11/13/97:  Authorized shares increased from 5,000,000 to 7,000,000; 1(h)
and 1(i) eligible employees



                                       7

<PAGE>   1
                                                                  EXIBIT 10.11.1


                             AMENDMENT NO. 1 TO THE
                           WESTERN DIGITAL CORPORATION
                              EXECUTIVE BONUS PLAN



        This Amendment No. 1 (the "Amendment") to the Western Digital
Corporation Executive Bonus Plan (the "Plan") is made this 13th day of November,
1997 by Western Digital Corporation (the "Company").

        WHEREAS, the Company's Board of Directors deems it to be in the best
interests of the Company to amend the Plan to change the age of retirement to
conform to the definition in the Company's Deferred Compensation Plan; and

        WHEREAS, the Company has the right to amend the Plan by action of its
Board of Directors;

        NOW, THEREFORE, the Plan is amended as follows:

        1. Section 1.21 shall be amended to read as follows:

                "Retirement," "Retires" or Retired" shall mean a Participant
                ceasing to be employed by all Employers for any reason other
                than death, Disability or Termination of Employment or on or
                after a Participant attains the age of fifty-five (55).

This Amendment shall be effective as of November 13, 1997.

        IN WITNESS WHEREOF, the Company has caused this Amendment to be executed
by its duly authorized officer as of this 13th day of November, 1997.



                                       WESTERN DIGITAL CORPORATION

                                       By: /s/ MICHAEL A. CORNELIUS
                                           -------------------------------------
                                           Michael A. Cornelius
                                           Vice President, Law & Administration
                                           Secretary




<PAGE>   1
                                                                 EXHIBIT 10.32.3



                             FIFTH AMENDMENT TO THE
                           WESTERN DIGITAL CORPORATION
                   RETIREMENT SAVINGS AND PROFIT SHARING PLAN


         This Fifth Amendment (the "Amendment") to the Western Digital
Corporation Retirement Savings and Profit Sharing Plan (the "Plan") is made this
13th day of November 1997 by Western Digital Corporation (the "Company"), the
sponsoring employer of the Plan.

         WHEREAS, the terms of the Plan are set forth in an amended and restated
Plan document, dated June 23, 1995, as thereafter amended by the First Amendment
dated June 30, 1995, by the Second Amendment dated March 27, 1996, by the Third
Amendment dated January 9, 1997 and by the Fourth Amendment dated March 20,
1997; and

         WHEREAS, the Company has reserved the right to amend the Plan by action
of its Board of Directors; and

         WHEREAS, it is deemed desirable to amend the Plan in certain respects;

         NOW, THEREFORE, the Plan is amended as follows:

         1. Section 2.14 "Eligible Employee" shall be amended to read in its
entirety as follows:

         2.14 ELIGIBLE EMPLOYEE

                2.14.1     "Eligible Employee" shall mean any Employee of an
                           Employer who is paid from the Employer's United
                           States payroll, except as provided in Subsection
                           2.14.2 below.

                2.14.2     The term "Eligible Employee" shall not include any
                           person in one or more of the following categories:

                               2.14.2.1     Any person who is covered by a
                                            collective bargaining agreement to
                                            which an Employer is a party, unless
                                            the collective bargaining agreement
                                            provides for coverage under this
                                            Plan.

                               2.14.2.2     Any non-resident alien who receives
                                            no earned income (within the meaning
                                            of Code Section 911(d)(2)) from
                                            Employer that constitutes income
                                            from sources within the United
                                            States (within the meaning of Code
                                            Section 861(a)(3)).

                               2.14.2.3     Any person who is a "leased
                                            employee" within the meaning of Code
                                            Section 414(n).



1
<PAGE>   2
Fifth Amendment to
The Western Digital Corporation
Retirement Savings and Profit Sharing Plan
Page 2 of 3

                               2.14.2.4     Any person who is an "employee"
                                            within the meaning of Code Section
                                            401(c)(3).

                               2.14.2.5     Any person who is recorded on the
                                            books and records of an Employer or
                                            an Affiliated Company as an
                                            independent contractor or
                                            consultant, a worker provided by a
                                            temporary staffing agency, a
                                            temporary employee, or an individual
                                            with respect to whom a written
                                            agreement governing the relationship
                                            between such person and an Employer
                                            or Affiliated Company provides in
                                            substance that such person shall not
                                            be an Eligible Employee hereunder.

                2.14.3     The preceding provisions of this Section 2.14 shall
                           be given effect notwithstanding any classification or
                           reclassification of a person as an employee or common
                           law employee of an Employer or Affiliated Company or
                           as a member of any other category of person not
                           excluded under the preceding provisions of this
                           Section 2.14 by reason of action taken by any tax, or
                           other governmental authority. In the event that a
                           person rendering services to an Employer or to an
                           Affiliated Company in an excluded category is
                           classified or reclassified by reason of action taken
                           by any tax, or other governmental authority, or by an
                           Employer or Affiliated Company, such individual shall
                           continue to be excluded under this Plan unless
                           specifically included hereunder by the terms of an
                           amendment to this Plan or by the terms of a written
                           instrument executed by such person and an Employer.

                2.14.4     The categories of excluded persons described above in
                           this Section 2.14 are not mutually exclusive, it
                           being contemplated that certain categories described
                           above may include persons in one or more other
                           categories, with the result that an individual may be
                           excluded under more than one category set forth
                           herein.

         This Amendment shall be effective as of June 23, 1995.

         2. Section 2.15 "Employee" shall be amended to read in its entirety as
follows:

         2.15 EMPLOYEE

                2.15.1     "Employee" shall mean each person currently employed
                           in any capacity by an Employer or Affiliated Company,
                           any portion of whose Compensation paid by an Employer
                           or an Affiliated Company is subject to withholding 



2

<PAGE>   3
Fifth Amendment to
The Western Digital Corporation
Retirement Savings and Profit Sharing Plan
Page 3 of 3

                           of income tax and/or for whom Social Security
                           contributions are made by an Employer or an
                           Affiliated Company.

                2.15.2     "Employee" shall include a person deemed to be
                           employed by an Employer or an Affiliated Company,
                           pursuant to Code Section 414(n). Notwithstanding the
                           foregoing, if such leased employees constitute less
                           than twenty percent (20%) of the Company's non-highly
                           compensated work force within the meaning of Section
                           414(n)(5)(C)(ii) of the Code, the term "Employee"
                           shall not include those leased employees covered by a
                           plan described in Section 414(n)(5) of the Code
                           unless otherwise provided by the terms of the Plan.

                2.15.3     Although Eligible Employees are the only class of
                           individuals eligible to participate in this Plan, the
                           term "Employee" is used to refer to persons employed
                           in a non-eligible Employee capacity as well as
                           Eligible Employee category. Thus, those provisions of
                           this Plan that are not limited to Eligible Employees,
                           such as those relating to certain service computation
                           rules, apply to both Eligible and non-Eligible
                           Employees.

         This Amendment shall be effective as of June 23, 1995.

         IN WITNESS WHEREOF, the Company has caused this Amendment to be
executed by its duly authorized officer on this 13th day of November 1997.



                                       WESTERN DIGITAL CORPORATION



                                       By: /s/ MICHAEL A. CORNELIUS
                                           -------------------------------------
                                           Michael A. Cornelius
                                           Vice President, Law & Administration,
                                           Secretary


3

<PAGE>   1
                                                                 EXHIBIT 10.38.2



                                SECOND AMENDMENT
                                       TO
                    REVOLVING CREDIT AND TERM LOAN AGREEMENT



        Second Amendment dated as of February 25, 1998 to Revolving Credit and
Term Loan Agreement (the "Second Amendment"), by and among WESTERN DIGITAL
CORPORATION, a Delaware corporation (the "Borrower") and BANKBOSTON, N.A. and
the other lending institutions listed on Schedule 1 to the Credit Agreement (as
hereinafter defined) (the "Banks"), amending certain provisions of the Revolving
Credit and Term Loan Agreement dated as of January 28, 1998 (as amended and in
effect from time to time, the "Credit Agreement") by and among the Borrower, the
Banks and BankBoston, N.A. as agent for the Banks (in such capacity, the
"Agent"). Terms not otherwise defined herein which are defined in the Credit
Agreement shall have the same respective meanings herein as therein.

        WHEREAS, the Borrower and the Banks have agreed to modify certain terms
and conditions of the Credit Agreement as specifically set forth in this Second
Amendment;

        NOW, THEREFORE, in consideration of the premises and the mutual
agreements contained herein and for other good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged, the parties hereto
hereby agree as follows:

        SECTION 1. PREAMBLE TO THE CREDIT AGREEMENT. The Preamble to the Credit
Agreement is hereby amended by deleting the first paragraph thereof in its
entirety and restating it as follows:

                This REVOLVING CREDIT AND TERM LOAN AGREEMENT is made as of
        January 28, 1998, by and among (a) WESTERN DIGITAL CORPORATION (the
        "Borrower"), a Delaware corporation having its principal place of
        business at 8105 Irvine Center Drive, Irvine, California 92718, (b)
        BANKBOSTON, N.A. and the other lending institutions listed on Schedule 1
        hereto, (c) BANKBOSTON, N.A., as administrative agent for itself and
        such other lending institutions (the "Agent"), (d) NATIONSBANK OF TEXAS,
        N.A., as syndication agent for itself and such other lending
        institutions (the "Syndication Agent"), (e) THE BANK OF NOVA SCOTIA, as
        documentation agent for itself and such other lending institutions (the
        "Documentation Agent"), and (f) ABN AMRO BANK, DEUTSCHE FINANCIAL
        SERVICES CORPORATION, THE CIT GROUP/BUSINESS CREDIT, INC., THE FUJI
        BANK, LIMITED, IBJ SCHRODER BUSINESS CREDIT CORPORATION AND KEY BANK as
        co-agents for the lending institutions (the "Co-Agents").

        SECTION 2. AMENDMENT TO SECTION 1 OF THE CREDIT AGREEMENT. Section 1.1
of the Credit Agreement is hereby amended as follows:



<PAGE>   2
                                       -2-




         (a) the definition of "Borrowing Base" is hereby amended by deleting
the words "Accounts Receivable such Foreign Subsidiary" which appears in
subparagraph (c) thereof and substituting in place thereof the words "Accounts
Receivable of such Foreign Subsidiary"; and

         (b) the definition of "Interest Payment Date" is hereby amended by
inserting immediately after the words "(b) as to any Eurodollar Rate Loan in
respect of which the Interest Period is (i) 3 months or less, the last day of
such Interest Period, and (ii) more than three (3) months, the date that is
three (3) months from the first day of such Interest Period" the words "and, in
addition, the last day of such Interest Period".

        SECTION 3. LIMITED WAIVER OF SECTION 19.1 OF THE CREDIT AGREEMENT. The
parties hereto hereby agree that upon the effectiveness of this Second Amendment
the Banks, the Borrower and the Agent hereby agree to waive the requirement set
forth in Section 19.1 of the Credit Agreement that such assignment contemplated
by the Assignment and Acceptance dated as of February 25, 1998 by and among the
Borrower, the Agent and the parties thereto (the "Assignment") not become
effective until a date which is at least five (5) Business Days after the
execution thereof. The parties hereto hereby acknowledge and agree that the
Assignment shall become effective on the date of its execution and delivery to
the Agent. Nothing contained herein shall be construed to grant any other waiver
of any of the terms and conditions of the Credit Agreement, or the other Loan
Documents (as defined in the Credit Agreement).

        SECTION 4. CONDITIONS TO EFFECTIVENESS. This Second Amendment shall not
become effective until the Agent receives a counterpart of this Second
Amendment, executed by the Borrower, the Guarantor and the Majority Banks.

        SECTION 5. REPRESENTATIONS AND WARRANTIES. The Borrower hereby repeats,
on and as of the date hereof, each of the representations and warranties made by
it in Section 8 of the Credit Agreement, and such representations and warranties
remain true as of the date hereof (except to the extent of changes resulting
from transactions contemplated or permitted by the Credit Agreement and the
other Loan Documents and changes occurring in the ordinary course of business
that singly or in the aggregate are not materially adverse, and to the extent
that such representations and warranties relate expressly to an earlier date),
provided, that all references therein to the Credit Agreement shall refer to
such Credit Agreement as amended hereby. In addition, the Borrower hereby
represents and warrants that the execution and delivery by the Borrower of this
Second Amendment and the performance by the Borrower of all of its agreements
and obligations under the Credit Agreement as amended hereby are within the
corporate authority of each the Borrower and has been duly authorized by all
necessary corporate action on the part of the Borrower.

        SECTION 6. RATIFICATION. ETC. Except as expressly amended hereby, the
Credit Agreement, the Security Documents and all documents, instruments and
agreements related thereto are hereby ratified and confirmed in all respects and
shall continue in full force and effect. The Credit Agreement and this Second
Amendment shall be read and construed as a single agreement. All references in
the Credit Agreement or any related agreement or instrument to the Credit
Agreement shall hereafter refer to the Credit Agreement as amended hereby.



<PAGE>   3
                                       -3-



        SECTION 7. NO WAIVER. Nothing contained herein shall constitute a waiver
of, impair or otherwise affect any Obligations, any other obligation of the
Borrower or any rights of the Bank Agents or the Banks consequent thereon.

        SECTION 8. COUNTERPARTS. This Second Amendment may be executed in one or
more counterparts, each of which shall be deemed an original but which together
shall constitute one and the same instrument.

        SECTION 9. GOVERNING LAW. THIS SECOND AMENDMENT SHALL BE GOVERNED BY,
AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE COMMONWEALTH OF MASSACHUSETTS
(WITHOUT REFERENCE TO CONFLICT OF LAWS).



<PAGE>   4
                                       -4-



         IN WITNESS WHEREOF, the parties hereto have executed this Second
Amendment as a document under seal as of the date first above written.

                                       WESTERN DIGITAL CORPORATION

                                       By: [SIG]
                                          --------------------------------------
                                       Title:  Vice President, Taxes and
                                               Treasurer

                                       BANKBOSTON, N.A.

                                       By:
                                          --------------------------------------
                                       Title:
<PAGE>   5
                                       -5-



                            RATIFICATION OF GUARANTY

         The undersigned guarantor hereby acknowledges and consents to the
foregoing Second Amendment as of February 25, 1998, and agrees that the Guaranty
dated as of January 28, 1998 from the undersigned (the "Guarantor") in favor of
the Agent and each of the Banks remains in full force and effect, and the
Guarantor confirms and ratifies all of its obligations thereunder.


                                       WESTERN DIGITAL ROCHESTER, INC.

                                       By: /s/ WESTERN DIGITAL CORPORATION
                                           -------------------------------------
                                       Title: President



<PAGE>   6
                                       -6-



         The undersigned each hereby accepts, by its signature below, the title
set forth next to its name on the signature block hereto:

                                       NATIONSBANK OF TEXAS, N.A.,
                                           as Syndication Agent


                                       By: /s/ SHARON ELLIS
                                           -------------------------------------
                                       Title: Vice President

                                       THE BANK OF NOVA SCOTIA, as
                                         Documentation Agent


                                       By:
                                          --------------------------------------
                                       Title:

                                       ABN AMRO BANK, as Co-Agent


                                       By:
                                          --------------------------------------
                                       Title:

                                       DEUTSCHE FINANCIAL SERVICES
                                         CORPORATION, as Co-Agent

                                       By:
                                          --------------------------------------
                                       Title:


                                       THE CIT GROUP/ BUSINESS CREDIT, INC.
                                       as Co-Agent


                                       By:
                                          --------------------------------------
                                       Title:



<PAGE>   7
                                       -7-




                                       THE FUJI BANK LIMITED, as Co-Agent


                                       By:
                                          --------------------------------------
                                       Title:

                                       IBJ SCHRODER BUSINESS CREDIT
                                         CORPORATION, as Co-Agent


                                       By:
                                          --------------------------------------
                                       Title:

                                       KEY BANK, as Co-Agent

                                       By: [SIG]
                                           -------------------------------------
                                       Title:   Vice President



<PAGE>   1
                                                                 EXHIBIT 10.38.3



                                 THIRD AMENDMENT
                                       TO
                    REVOLVING CREDIT AND TERM LOAN AGREEMENT

         Third Amendment dated as of June 26, 1998 to Revolving Credit and Term
Loan Agreement (the "Third Amendment"), by and among WESTERN DIGITAL
CORPORATION, a Delaware corporation (the "Borrower") and BANKBOSTON, N.A. and
the other lending institutions listed on Schedule 1 to the Credit Agreement (as
hereinafter defined) (the "Banks"), amending certain provisions of the Revolving
Credit and Term Loan Agreement dated as of January 28, 1998 (as amended and in
effect from time to time, the "Credit Agreement") by, and among the Borrower,
the Banks and BankBoston, N.A. as agent for the Banks (in such capacity, the
"Agent"). Terms not otherwise defined herein which are defined in the Credit
Agreement shall have the same respective meanings herein as therein.

         WHEREAS, the Borrower and the Banks have agreed to modify certain terms
and conditions of the Credit Agreement as specifically set forth in this Third
Amendment;

         NOW, THEREFORE, in consideration of the premises and the mutual
agreements contained herein and for other good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged, the parties hereto
hereby agree as follows:

        SECTION 1. AMENDMENT TO SECTION 1 OF THE CREDIT AGREEMENT. Section 1.1
of the Credit Agreement is hereby amended as follows:

        (a) the definition of Applicable Margin is hereby amended by deleting
such definition in its entirety and restating it as follows:

                Applicable Margin. For each period commencing on an Adjustment
        Date through the date immediately preceding the next Adjustment Date
        (each a "Rate Adjustment Period"), the Applicable Margin shall be the
        applicable margin set forth below with respect to the Borrower's
        Liabilities to Worth Ratio as determined for the fiscal quarter of the
        Borrower ending on the last day of the fiscal quarter ended immediately
        prior to the first day of the applicable Rate Adjustment Period.

<TABLE>
<CAPTION>
- ---------------------------------------------------------------------------------------------------------
                                           BASE RATE       EURODOLLAR       COMMITMENT       LETTER OF
              LIABILITIES TO WORTH           LOANS         RATE LOANS        FEE RATE        CREDIT FEES
     LEVEL            RATIO             (BASIS POINTS)   (BASIS POINTS)   (BASIS POINTS)   (BASIS POINTS)
=========================================================================================================
<S>           <C>                       <C>              <C>              <C>               <C>
       1      Less than or equal to           25              150              37.50            150
              1.75:1.00
- ---------------------------------------------------------------------------------------------------------
</TABLE>



<PAGE>   2
                                      -2-



<TABLE>
- ---------------------------------------------------------------------------------------------------------
<S>           <C>                             <C>             <C>              <C>              <C>
       II     Greater than 1.75:1.00,         50              175              50               175
              but less than or equal
              to 2.00:1.00
- ---------------------------------------------------------------------------------------------------------
       III    Greater than 2.00:1.00,         75              200              50               200
              but less than or equal
              to 3.00:1.00
- ---------------------------------------------------------------------------------------------------------
       IV     Greater than 3.00:1.00          100             225              50               225
- ---------------------------------------------------------------------------------------------------------
</TABLE>

        Notwithstanding the foregoing, (a) for Loans outstanding, Letter of
Credit Fees payable and the Commitment Fee Rate during the period commencing on
June 26, 1998 through the date immediately preceding the first Adjustment Date
to occur after the last day of the first fiscal quarter of 1999, the Applicable
Margin shall not be lower than Level III set forth above, and (b) if the
Borrower fails to deliver any Compliance Certificate when required by Section
9.4(c) hereof then, for the period commencing on the next Adjustment Date to
occur subsequent to such failure through the date immediately following the date
on which such Compliance Certificate is delivered, the Applicable Margin shall
be the highest Applicable Margin set forth above.

(b) by inserting the following definitions in the appropriate alphabetical
order:

         Quick Ratio. With respect to the Borrower and its Subsidiaries at any
time, the ratio, determined on a consolidated basis in accordance with generally
accepted accounting principles, of (a) the remainder at such time of (i) the sum
of (A) all cash of the Borrower and its Subsidiaries, (B) the current market
value of all cash equivalents of the Borrower and its Subsidiaries and (C) all
Accounts Receivable of the Borrower and its Subsidiaries (net of all reserves
therefor) minus (ii) to the extent included in the foregoing sum, the sum of all
cash, cash equivalents and Accounts Receivable of the Borrower and its
Subsidiaries that are subject to a lien, security interest or other encumbrance
or otherwise restricted, to (b) the sum of (i) all Consolidated Total
Liabilities of the Borrower and its Subsidiaries that would be classified as
current under generally accepted accounting principles at such time and (ii)
without duplication, all outstanding Revolving Credit Loans plus the Maximum
Drawing Amount of all issued and outstanding Letters of Credit plus all Unpaid
Reimbursement Obligations, whether or not so classified.

         Senior Funded Indebtedness. At any time of determination, the sum of
(a) the outstanding amount of the Revolving Credit Loans plus, (b) the aggregate
amount of all Unpaid Reimbursement Obligations, plus (c) the outstanding amount
of the Term Loan, plus (d) the aggregate amount of all outstanding Capitalized
Leases and Synthetic Leases (including without limitation the Permitted
Synthetic Lease) incurred pursuant to Section 10.1(c) and (d) hereof, plus (e)
the aggregate outstanding amount of all Indebtedness incurred pursuant to
Section 10.1(e) hereof, plus (f) the aggregate amount of all outstanding
Indebtedness incurred pursuant to Section 10.1(k) hereof.

<PAGE>   3
                                       -3-



        SECTION 2. AMENDMENT TO SECTION 8 OF THE CREDIT AGREEMENT. Section 8.24
of the Credit Agreement is hereby amended by inserting immediately after the
words "other than the Obligations" which appear in Section 8.24 the words "and
the obligations of the Borrower arising under the Permitted Synthetic Lease."

        SECTION 3. AMENDMENT TO SECTION 10 OF THE CREDIT AGREEMENT. Section 10
of the Credit Agreement is hereby amended as follows:

         (a) Section 10.2(ix) of the Credit Agreement is hereby amended by
inserting immediately after the words "real or personal property subject to"
which appear in Section 10.2(ix) the words "or related to";

        (b) Section 10.5.2. of the Credit Agreement is hereby amended by
inserting immediately after the end of the first paragraph of Section 10.5.2.
the following sentence: "For the avoidance of doubt, the groundlease of the
Property by the Borrower to Lease Plan North America, Inc. pursuant to that
certain Ground Lease Agreement dated after the date hereof shall not for
purposes of this Credit Agreement constitute a disposition by the Borrower of
its assets.";

         (c) Section 10.9 of the Credit Agreement is hereby amended by inserting
immediately after the words "other than the Indebtedness arising under this
Credit Agreement and the other Loan Documents" the words "and Indebtedness of
the Borrower arising under the Permitted Synthetic Lease and the documents,
agreements and instruments to be executed in connection therewith."

        SECTION 4. AMENDMENT TO SECTION 11 OF THE CREDIT AGREEMENT. Section 11
of the Credit Agreement is hereby amended by deleting Section 11 of the Credit
Agreement in its entirety and restating it as follows:

                    11. FINANCIAL COVENANTS OF THE BORROWER.

                The Borrower covenants and agrees that, so long as any Loan,
        Unpaid Reimbursement Obligation, Letter of Credit or Note is outstanding
        or any Bank has any obligation to make any Loans or the Agent has any
        obligation to issue, extend or renew any Letters of Credit:

                11.1. PROFITABLE OPERATIONS. The Borrower will not permit
        Consolidated Net Operating Income for (a) the end of the fourth fiscal
        quarter of 1998 to be less than ($155,000,000); (b) the end of the first
        fiscal quarter of 1999 to be less than ($95,000,000); (c) the end of the
        second fiscal quarter of 1999 to be less than ($65,000,000); (d) the end
        of the third fiscal quarter of 1999 to be less than ($5,000,000); and
        (e) each fiscal quarter ending thereafter to be less than $1.00.

                11.2. FIXED CHARGE COVERAGE RATIO. The Borrower will not, as of
        the end of any fiscal quarter ending during any period described in the
        table set forth below, commencing with the fourth fiscal quarter of
        1999, permit the ratio of (a) the sum of (i) EBITDA for the Reference
        Period ending on such date plus (ii)

<PAGE>   4
                                       -4-



Rental Obligations for the Reference Period ending on such date (without giving
effect to the December 1997 Charge) to (b) the sum of (i) Consolidated Total
Cash Interest Expense for the Reference Period ending on such date plus (ii)
Rental Obligations for the Reference Period ending on such date, to be less than
the ratio set forth opposite such period in such table:

<TABLE>
<CAPTION>
         -------------------------------------------------
         PERIOD                                 RATIO
         -------------------------------------------------
<S>                                             <C>
         Fourth Fiscal Quarter 1999             1.30:1.00
         -------------------------------------------------
         Each fiscal quarter                    3.00:1.00
         thereafter
         -------------------------------------------------
</TABLE>

         11.3. MINIMUM QUICK RATIO. The Borrower will not at any time during any
period set forth in the table below permit the Quick Ratio to be less than the
ratio set forth opposite such period in such table:

<TABLE>
<CAPTION>
         -------------------------------------------------
         PERIOD                                 RATIO
         -------------------------------------------------
<S>                                             <C>
         June __, 1998 - last day of            1.00:1.00
         the First Fiscal Quarter of
         1999
         -------------------------------------------------
         First day of the Second                0.90:1.00
         Fiscal Quarter of 1999-
         last day of the Second
         Fiscal Quarter of 2000
         -------------------------------------------------
         any time thereafter                    1.00:1.00
         -------------------------------------------------
</TABLE>

         11.4. LEVERAGE. The Borrower will not at any time during any period set
forth in the table below permit the ratio of (a) Senior Funded Indebtedness to
(b) the sum of (i) the aggregate amount of consolidated shareholders' equity
(net of any commitments of capital to the extent not received) less (ii)
Consolidated Intangible Assets to exceed the ratio set forth opposite such
period in such table:


<TABLE>
<CAPTION>
         -------------------------------------------------
         PERIOD                                 RATIO
         -------------------------------------------------
<S>                                             <C>
         June __, 1998 - last day of            1.00:1.00
         the Fourth Fiscal Quarter
         of 1998
         -------------------------------------------------
         First day of the First                 1.25:1.00
         Fiscal Quarter of 1999 -
         last day of such fiscal
         quarter
         -------------------------------------------------
         First day of the Second                1.75:1.00
         Fiscal Quarter of 1999 -
         last day of the First Fiscal
         Quarter of 2000
         -------------------------------------------------
</TABLE>



<PAGE>   5
                                       -5-



<TABLE>
         -------------------------------------------------
<S>                                             <C>
         First day of the Second                1.50:1.00
         Fiscal Quarter of 2000 -
         last day of such fiscal
         quarter
         -------------------------------------------------
         First day of the Third                 1.25:1.00
         Fiscal Quarter of 2000 -
         last day of such fiscal
         quarter
         -------------------------------------------------
         At time thereafter                     1.00:1.00
         -------------------------------------------------
</TABLE>

                11.5 CONSOLIDATED TANGIBLE NET WORTH. The Borrower will not
        permit Consolidated Tangible Net Worth at any time (a) from June 26,
        1998 through the last day of the Fourth Fiscal Quarter of 1998 to be
        less than $300,000,000; (b) from the first day of the First Fiscal
        Quarter of 1999 through the last day of such fiscal quarter to be less
        than $207,000,000; (c) from the first day of the Second Fiscal Quarter
        of 1999 to the last day of such fiscal quarter to be less than
        $130,000,000; and (d) at any time thereafter to be less than the sum of
        (i) $115,000,000 plus, on a cumulative basis, (b) 75% of positive
        Consolidated Net Income for each fiscal quarter commencing with the
        fourth fiscal quarter of 1998, plus (ii) 100% of the proceeds of any
        sale by the Borrower after the fourth fiscal quarter of 1998 of (1)
        equity securities issued by the Borrower or (2) warrants or subscription
        rights for equity securities issued by the Borrower.

                11.6. CAPITAL EXPENDITURES. The Borrower will not make, or
        permit any Subsidiary of the Borrower to make, Capital Expenditures in
        any fiscal year that exceed, in the aggregate, (a) $225,000,000 for the
        1998 fiscal year; (b) $200,000,000 for the 1999 fiscal year; and (c)
        $300,000,000 in each fiscal year thereafter.

        SECTION 5. CONDITIONS TO EFFECTIVENESS. This Third Amendment shall not
become effective until the Agent receives (a) a counterpart of this Third
Amendment, executed by the Borrower, the Guarantor and the Majority Banks; and
(b) payment in cash from the Borrower of an amendment fee in the aggregate
amount of $375,000, which amendment fee shall be for the pro rata accounts of
the Banks.

         SECTION 6. REPRESENTATIONS AND WARRANTIES. The Borrower hereby repeats,
on and as of the date hereof, each of the representations and warranties made by
it in Section 8 of the Credit Agreement, and such representations and warranties
remain true as of the date hereof (except to the extent of changes resulting
from transactions contemplated or permitted by the Credit Agreement and the
other Loan Documents and changes occurring in the ordinary course of business
that singly or in the aggregate are not materially adverse, and to the extent
that such representations and warranties relate expressly to an earlier date),
provided, that all references therein to the Credit Agreement shall refer to
such Credit Agreement as amended hereby. In addition, the Borrower hereby
represents and warrants that the execution and delivery by the Borrower of this
Third Amendment and the performance by the Borrower of all of its agreements and
obligations under the Credit Agreement as amended hereby are within the
corporate authority of each the Borrower and has been duly authorized by all
necessary corporate action on the part of the Borrower.

<PAGE>   6
                                       -6-



        SECTION 7. RATIFICATION ETC. Except as expressly amended hereby, the
Credit Agreement, the Security Documents and all documents, instruments and
agreements related thereto are hereby ratified and confirmed in all respects and
shall continue in full force and effect. The Credit Agreement and this Third
Amendment shall be read and construed as a single agreement. All references in
the Credit Agreement or any related agreement or instrument to the Credit
Agreement shall hereafter refer to the Credit Agreement as amended hereby.

        SECTION 8. NO WAIVER. Nothing contained herein shall constitute a waiver
of, impair or otherwise affect any Obligations, any other obligation of the
Borrower or any rights of the Bank Agents or the Banks consequent thereon.

        SECTION 9. COUNTERPARTS. This Third Amendment may be executed in one or
more counterparts, each of which shall be deemed an original but which together
shall constitute one and the same instrument.

        SECTION 10. GOVERNING LAW. THIS THIRD AMENDMENT SHALL BE GOVERNED BY,
AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE COMMONWEALTH OF MASSACHUSETTS
(WITHOUT REFERENCE TO CONFLICT OF LAWS).



<PAGE>   7
                                       -7-



         IN WITNESS WHEREOF, the parties hereto have executed this Third
Amendment as a document under seal as of the date first above written.

                                       WESTERN DIGITAL CORPORATION

                                       By: /s/ STEVEN M. SLAVIN
                                          --------------------------------------
                                       Title VP, Taxes & Treasurer

                                       BANKBOSTON, N.A.

                                       By:
                                          --------------------------------------
                                       Title:

                                       NATIONSBANK OF TEXAS, N.A.

                                       By:
                                          --------------------------------------
                                       Title:

                                       THE BANK OF NOVA SCOTIA

                                       By:
                                          --------------------------------------
                                       Title:

                                       ABN AMRO BANK

                                       By:
                                          --------------------------------------
                                       Title:

                                       DEUTSCHE FINANCIAL SERVICES

                                       By:
                                          --------------------------------------
                                       Title:


<PAGE>   8
                                      -11-



                            RATIFICATION OF GUARANTY

        The undersigned guarantor hereby acknowledges and consents to the
foregoing Third Amendment as of June __, 1998, and agrees that the Guaranty
dated as of January 28, 1998 from the undersigned (the "Guarantor") in favor of
the Agent and each of the Banks remains in full force and effect, and the
Guarantor confirms and ratifies all of its obligations thereunder.



                                       WESTERN DIGITAL ROCHESTER, INC.

                                       By: /s/ WESTERN DIGITAL CORPORATION
                                          --------------------------------------
                                       Title: President

<PAGE>   1
                                                                   EXHIBIT 10.40


                                          ======================================
                                                       CONFIDENTIAL.
                                          CERTAIN INFORMATION HAS BEEN REDACTED.
                                            CONFIDENTIAL TREATMENT REQUESTED.
                                          ======================================



                              OEM COMPONENT SUPPLY


                                       AND


                          TECHNOLOGY LICENSE AGREEMENT



                                     BETWEEN



                   INTERNATIONAL BUSINESS MACHINES CORPORATION



                                       AND



                           WESTERN DIGITAL CORPORATION



                                  JUNE 7, 1998



<PAGE>   2

                                          ======================================
                                                       CONFIDENTIAL.
                                          CERTAIN INFORMATION HAS BEEN REDACTED.
                                            CONFIDENTIAL TREATMENT REQUESTED.
                                          ======================================


                            OEM COMPONENT SUPPLY AND
                          TECHNOLOGY LICENSE AGREEMENT


                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                      Page
                                                                      ----
<S>                                                                   <C>
1.0 PURPOSE AND DESCRIPTION OF THE AGREEMENT ........................   2

2.0 DEFINITIONS .....................................................   2

3.0 IBM SALE OF PARTS TO WDC.........................................  10

    3.1 IBM COMPONENTS ..............................................  10

    3.2 VENDOR COMPONENTS ...........................................  10

4.0 TECHNOLOGY ......................................................  10

    4.1 PROCESS FOR PROJECTS ........................................  10

    4.2 PHASE 1 HDD PROGRAMS ........................................  11

    4.3 PHASE 2 HDD PROGRAMS ........................................  11

    4.4 LIST OF IBM TECHNOLOGY ......................................  12

    4.5 SCHEDULE FOR TECHNOLOGY .....................................  13

5.0 TECHNICAL ASSISTANCE ............................................  13

6.0 TECHNOLOGY LICENSE ..............................................  14

    6.1 WDC LICENSE TO IBM TECHNOLOGY ...............................  14

    6.2 LICENSED USE ................................................  15

    6.3 RESIDUALS ...................................................  16

    6.4 SUBLICENSING RIGHTS .........................................  17

7.0 INTENTIONALLY LEFT BLANK ........................................  17

8.0 EXCLUSIVE REMEDY AND INCENTIVE PAYMENT ..........................  17
</TABLE>

                                       i
<PAGE>   3

<TABLE>
<CAPTION>
                                                                            Page
                                                                            ---- 
<S>                                                                         <C>
     8.1 REMEDY FOR [PRODUCT A] ..........................................   17

     8.2 REMEDY FOR [PRODUCT B] ..........................................   18

 9.0 TECHNOLOGY FEES......................................................   23

     9.1 TECHNOLOGY LICENSE FEES .........................................   23

     9.2 PAYMENT TERMS ...................................................   24

     9.3 LICENSE FEES FOR RESIDUALS ......................................   25

     9.4 INTEREST ........................................................   26

     9.5 TAXES ...........................................................   26

10.0 AUDIT ...............................................................   26

11.0 COPYRIGHTS ..........................................................   27

     11.1 LICENSE TERMS ..................................................   27

     11.2 WDC MODIFICATIONS AND LICENSES .................................   28

     11.3 RESTRICTIONS ...................................................   29

     11.4 SUBLICENSING RIGHTS ............................................   29

     11.5 WORK PRODUCT ...................................................   29

12.0 TECHNOLOGY AND COPYRIGHT INDEMNITY ..................................   30

13.0 NOTICE OF ADDITIONAL LICENSEES ......................................   31

14.0 THIRD PARTY PATENTS .................................................   32

15.0 INVENTIONS ..........................................................   32

16.0 CONFIDENTIAL INFORMATION ............................................   33

17.0 CHANGE OF CONTROL ...................................................   37

18.0 MATERIAL BREACH .....................................................   38
</TABLE>

                                       ii


<PAGE>   4

<TABLE>
<CAPTION>
                                                                            Page
                                                                            ----
<S>                                                                         <C>
19.0 TERM AND TERMINATION..................................................   39

     19.1 TERM ............................................................   39

     19.2 TERMINATION OF AGREEMENT ........................................   39

     19.3 TERMINATION OF LICENSES .........................................   39

     19.4 EQUITABLE RELIEF ................................................   40

20.0 DISPUTE RESOLUTION ...................................................   40

21.0 ADMINISTRATIVE PROVISIONS ............................................   41

     21.1 MANAGING COORDINATORS ...........................................   41

     21.2 PAYMENTS, NOTICES, AND OTHER COMMUNICATIONS .....................   41

22.0 GENERAL PROVISIONS ...................................................   42

     22.1 NO ASSIGNMENT OR SUBCONTRACT ....................................   42

     22.2 PUBLICITY/TRADEMARKS ............................................   43

     22.3 NON-EXCLUSIVE AGREEMENT .........................................   43

     22.4 INDEPENDENT RELATIONSHIP OF THE PARTIES .........................   43

     22.5 ASSIGNMENT, TRANSFER OR REASSIGNMENT OF EMPLOYEES ...............   44

     22.6 REPRESENTATIONS AND WARRANTIES ..................................   44

     22.7 COMPLIANCE WITH LAWS AND REGULATIONS ............................   44

     22.8 GOVERNING LAW, VENUE, AND JURY TRIAL WAIVER .....................   45

     22.9 EXCLUSION OF CONSEQUENTIAL DAMAGES ..............................   45

     22.10 FORCE MAJEURE ..................................................   45

     22.11 NO SOLICITATION ................................................   45

     22.12 AGREEMENT INTERPRETATION .......................................   46

     22.13 SEVERABILITY ...................................................   46

     22.14 SURVIVAL .......................................................   46

     22.15 FAILURE TO ACT .................................................   46
</TABLE>


                                      iii


<PAGE>   5

<TABLE>
<CAPTION>
                                                                           Page
                                                                           ----
<S>                                                                        <C>
     22.16 PROHIBITED DISCUSSIONS .......................................   46

     22.17 SOLE AGREEMENT AND AMENDMENTS ................................   47

     22.18 AGREEMENTS WITH EMPLOYEES AND OTHERS .........................   47

     22.19 ATTACHMENTS ..................................................   47

23.0 EXECUTION ..........................................................   48
</TABLE>

ATTACHMENT A:  SUPPLEMENTS

ATTACHMENT B:  HDD PRODUCT INFORMATION

        ATTACHMENT B-1:      [PRODUCT A]

        ATTACHMENT B-2:      [PRODUCT B]

ATTACHMENT C:  MANUFACTURING SOFTWARE, SOFTWARE TOOLS AND
                      MICROCODE

ATTACHMENT D:  IBM TECHNOLOGY

ATTACHMENT E:  TECHNOLOGY DELIVERY SCHEDULE

ATTACHMENT F:  CORE IBM TECHNOLOGY

ATTACHMENT G:  OEM SALES AND PURCHASE AGREEMENT BETWEEN INTERNATIONAL BUSINESS
               MACHINES CORPORATION AND WESTERN DIGITAL CORPORATION

ATTACHMENT H:  AGREEMENT FOR FABRICATION AND PURCHASE OF PRODUCTS (ORIGINAL
               EQUIPMENT MANUFACTURER) INTERNATIONAL BUSINESS MACHINES
               CORPORATION AND WESTERN DIGITAL CORPORATION DATED APRIL 8, 1993,
               AS AMENDED (INCLUDING AMENDMENT NO. 16 THERETO, THE "IMD 3-PIECE
               CHIP SET AGREEMENT")


                                       iv
<PAGE>   6

                                          ======================================
                                                       CONFIDENTIAL.
                                          CERTAIN INFORMATION HAS BEEN REDACTED.
                                            CONFIDENTIAL TREATMENT REQUESTED.
                                          ======================================


                            OEM COMPONENT SUPPLY AND
                          TECHNOLOGY LICENSE AGREEMENT

This is an OEM Component Supply and Technology License Agreement ("Agreement"),
dated as of June 7, 1998, between Western Digital Corporation ("WDC") and
International Business Machines Corporation ("IBM"). WDC is a Delaware
corporation with its principal place of business at 8105 Irvine Center Drive,
Irvine, California 92618. IBM is a New York corporation with its principal place
of business at New Orchard Road, Armonk, NY 10504.

WHEREAS, WDC wishes to purchase certain head gimbal assemblies and other
components from IBM for use in WDC's manufacture of certain desktop hard disk
drive products; and

WHEREAS, WDC wishes to implement certain head gimbal assembly products designed,
developed and manufactured by IBM that contain IBM's leading giant
magnetoresistive ("GMR") and future generation head technology and other
components in WDC's future hard disk drives for the desktop platform by
manufacturing hard disk drives that are based in whole or in part on technology
and technical assistance received from IBM; and

WHEREAS, in order to incorporate IBM's GMR and future generation head gimbal
assembly products and other components into WDC's desktop hard disk drives, and
in order to optimize the effectiveness of the head gimbal assembly technology in
WDC's hard disk drives and to fully implement IBM's considerable experience with
its own head gimbal assemblies, WDC requires access to certain IBM technology
and IBM technical information, including specifications and drawings, as well as
certain manufacturing and development ideas, concepts, know-how and techniques;
and

WHEREAS, IBM wishes to continue selling hard disk drive components which
incorporate its leading technology to other HDD manufacturers; and

WHEREAS, in order to obtain an intended stable source of supply of IBM
components, WDC wishes to purchase in volume certain IBM head gimbal assembly
products and other components; and

WHEREAS, in order to facilitate the introduction of head gimbal assembly
products that contain IBM's leading GMR and future generation head technology
into desktop hard disk drive platforms, IBM intends to license certain
IBM-specified technology to WDC to allow it to integrate the IBM head gimbal
assembly products and other components that WDC will acquire from IBM into WDC's
desktop hard disk drive products, providing WDC an opportunity to improve the
performance and areal densities of WDC's desktop hard disk drive products,
resulting in increased sales by WDC of such desktop products and increased sales
by IBM of hard disk drive components; and

WHEREAS, if WDC desires IBM's assistance in procuring components for, or
assembling, head stack assemblies, IBM will procure some or all of the
components used with head gimbal assemblies to create head stack assemblies and
assemble or supervise the assembly of such components and head gimbal assemblies
into head stack assemblies to be supplied to WDC;


<PAGE>   7

NOW THEREFORE, in consideration of the promises and the mutual covenants
contained herein, IBM and WDC agree as follows:

1.0     PURPOSE AND DESCRIPTION OF THE AGREEMENT

1.1     The purpose of this Agreement is for IBM and WDC to enter into a
        business relationship relating to the purchase of IBM Components and the
        licensing of certain IBM Technology and IBM Technical Information for
        use in integrating such components into desktop Products.

1.2     Under this Agreement, IBM agrees to sell and WDC agrees to purchase IBM
        Components, as described in Section 3.1, the OEM Agreement and
        Attachment H.

1.3     Also under this Agreement, IBM agrees to provide to WDC IBM Technology
        as described in Section 4.0, provide Technical Assistance as described
        in Section 5.0, and license WDC to use, as described in Section 6.0, IBM
        Technology and IBM Technical Information. WDC agrees to pay IBM
        Technology Fees, as described in Section 9.0.

2.0     DEFINITIONS

2.1     An "Action in Bankruptcy" shall be deemed to have occurred if:

        (a) a party shall (i) voluntarily commence any proceeding or file any
            petition seeking relief under Title 11 of the United States Code or
            any other Federal or state bankruptcy, insolvency or similar law,
            (ii) consent to the institution of, or fail to controvert in a
            timely and appropriate manner, any such proceeding or the filing of
            any such petition, (iii) apply for or consent to the appointment of
            a receiver, trustee, custodian, sequestrator or similar official for
            such party or for a substantial part of its property or assets, (iv)
            file an answer admitting the material allegations of a petition for
            involuntary bankruptcy filed against it in any such proceeding, (v)
            make a general assignment for the benefit of creditors, (vi) admit
            in writing its inability to pay its debts as they become due or
            (vii) take corporate action for the purpose of effecting any of the
            foregoing; or

        (b) An involuntary proceeding shall be commenced or an involuntary
            petition shall be filed in a court of competent jurisdiction seeking
            (i) relief in respect of a party or of a substantial part of any of
            its property or assets, under Title 11 of the United States Code or
            any other Federal or state bankruptcy, insolvency or similar law,
            (ii) the appointment of a receiver, trustee, custodian, sequestrator
            or similar official for such party or for a substantial part of its
            property, or (iii) the winding-up or liquidation of such party, and,
            if and so long as contested by such party, either such proceeding or
            petition described in this clause (b) shall continue undismissed for
            ninety (90) days or an order or decree approving or ordering any of
            the foregoing shall continue unstayed and in effect for ninety (90)
            days.


                                       2


<PAGE>   8

2.2     "Agreement" shall mean this OEM Component Supply and Technology License
        Agreement and its Attachments.

2.3     "Acquiring Party" shall mean a party involved in an acquisition of WDC
        pursuant to a Change of Control.

2.4     "AT/IDE Interface" shall mean ______________.

2.5     "Attachment(s)" shall mean the portions of this Agreement which are
        identified in Section 22.19.

2.6     "Confidential Information" shall mean information or material as
        described in Section 16.0.

2.7     "Change of Control" will be deemed to have occurred if: (i) there shall
        be consummated (x) any consolidation or merger or other combination of a
        party in which such party is not the continuing or surviving corporation
        or pursuant to which shares of such party's common stock would be
        converted into cash, securities or other property, other than a merger
        of such party in which the holders of such party's common stock
        immediately prior to the merger hold at least a majority of the
        outstanding securities of the combined entity, or (y) any sale, lease,
        exchange or other transfer (in one transaction or a series of related
        transactions) of all, or substantially all, of the assets of such party;
        or (ii) the stockholders of such party approve a plan or proposal for
        the liquidation or dissolution of such party, or a proceeding under
        Chapter 7 of the Federal Bankruptcy Code is involuntarily commenced
        against such party and such proceeding is not dismissed within 60 days;
        or (iii) any "person" (as defined in Sections 13(d) and 14(d) of the
        Securities Exchange Act of 1934, as amended (the "Exchange Act"), shall
        become the "beneficial owner" (as defined in Rule 13d-3 under the
        Exchange Act), directly or indirectly, of fifty (50%) percent or more
        (25% or more if such "person" is a Subject Acquirer) of such party's
        outstanding common stock; or (iv) during any period of two consecutive
        years, individuals who at the beginning of such period constitute the
        entire Board of Directors of a party shall cease for any reason to
        constitute a majority thereof unless the election, or the nomination for
        election by the party's stockholders, of each new director was approved
        by a vote of at least two-thirds of the directors then still in office
        who were directors at the beginning of the period.

2.8     "Contract" shall mean this Agreement without the OEM Agreement and
        Attachment H.

2.9     "Core IBM Technology" shall mean certain IBM-specified items of IBM
        Technology or IBM Technical Information that contain highly sensitive
        and valuable ideas, concepts, know-how or techniques of IBM or its
        Subsidiaries. A list of Core IBM Technology that IBM and its
        Subsidiaries intend to provide to WDC and its Subsidiaries under this
        Agreement is included in Attachment F, which list is subject to revision
        by IBM during the term of this Agreement in accordance with Section
        22.5.3.

2.10    "Derivative" or "derivative" shall mean anything based upon or in any
        way derived from IBM Intellectual Property, Products or IBM Components.

2.11    "Derivative Work" shall mean a work that is based on an underlying work
        and that would be a copyright infringement if prepared without the
        authorization of the copyright owners of the underlying work. Derivative
        Works are subject to the ownership rights and licenses of others in the
        underlying work. Derivative Work shall encompass all modifications,
        fixes, corrections, additions, and deletions made to the underlying
        works.


                                       3


<PAGE>   9

2.12    "Desktop Development Group" shall mean employees of WDC's new product
        introduction or development group, or consultants to WDC's new product
        introduction or development group who have executed a confidentiality
        and intellectual property agreement that is in a form which is
        satisfactory to IBM, who are assigned by WDC to work on desktop
        Products.

2.13    "Disclosing Party" shall mean the party, or any Subsidiary of such
        party, who discloses Confidential Information to the other party, or a
        Subsidiary of such other party, to this Agreement under the terms of
        Section 16.0, Confidential Information.

2.14    "Electronics" shall mean, at WDC's option, either (i) the 3-Piece Chip
        Set or (ii) the PCBA and 3-Piece Chip Set, which WDC and its
        Subsidiaries acquire from IBM or a Subsidiary of IBM.

2.15    "GA" or "General Availability" shall mean the date on which a desktop
        Product is made generally available for sale in volume by WDC to
        customers.

2.16    "HDA" shall mean head disk assembly.

2.17    "HDD" shall mean hard disk drive.

2.18    "HGA" shall mean an IBM head gimbal assembly sold to WDC and its
        Subsidiaries under the OEM Agreement.

2.19    "HSA" means an IBM head stack assembly which includes HGA and other
        components that are sold to WDC and its Subsidiaries under the OEM
        Agreement.

2.20    "HSA Technology Package" shall mean the entire and complete package of
        IBM Technology that is licensed by IBM under this Agreement and is
        required by a third party to integrate IBM HSAs into a desktop Product,
        and which is further described in Attachment D.

2.21    "IBM Components" shall mean IBM HGAs and other components that WDC and
        its Subsidiaries acquire directly from IBM or a Subsidiary of IBM under
        this Agreement. IBM Components include (i) IBM HGAs, Electronics and
        other components acquired from IBM or a Subsidiary of IBM during Phase
        1, and (ii) IBM HGAs and other components acquired from IBM or a
        Subsidiary of IBM during Phase 2, unless WDC elects in Phase 2 to
        acquire Electronics, in which case IBM Components will include IBM HGAs,
        Electronics and other components during Phase 2.

2.22    "IBM Technical Information" shall mean non-public information that IBM
        or a Subsidiary of IBM provides, in verbal or written form, to WDC or a
        Subsidiary of WDC in connection with the delivery of Technical
        Assistance under this Agreement. IBM Technical Information contains,
        among other things, valuable ideas, concepts, know-how and/or
        techniques.

2.23    "IBM Technology" shall mean non-public information that IBM or a
        Subsidiary of IBM provides to WDC or a Subsidiary of WDC, in verbal or
        written form, under the terms of this Agreement, and includes but is not
        limited to the items described in Attachment D. IBM Technology contains,
        among other things, valuable ideas, concepts, know-how and/or
        techniques.

                                       4

<PAGE>   10

2.24    "Initial Delivery Date" shall mean the date on which IBM or a Subsidiary
        of IBM delivers to WDC or a Subsidiary of WDC in all material respects
        the preliminary specifications and drawings for mechanical components
        for [Product A] (i.e., specifications and drawings for mechanical
        components in IBM's current _______ HDD product), as described in
        Attachment E.

2.25    "Intellectual Property" shall mean any IBM Confidential Information, and
        any IBM Technology, IBM Technical Information, patents, software and
        copyrights which IBM licenses to WDC or a Subsidiary of WDC, any patent
        applications, and any documents that contain IBM Technology, IBM
        Technical Information, Manufacturing Software, Software Tools and
        Microcode.

2.26    "Inventing Party" shall mean the party that conceives or first actually
        reduces to practice an Invention while performing work under, and during
        the term of, this Agreement.

2.27    "Invention" shall mean any idea, design, concept, technique, invention,
        discovery or improvement whether or not patentable or registerable,
        either conceived or first actually reduced to practice while performing
        under this Agreement and during the term of this Agreement, solely by
        one or more employees of one of the parties or its Subsidiaries.

2.28    "[Product A]" shall mean the IBM-designed 3.5" form factor, desktop
        Product that is described in Attachment B-1 of this Agreement.

2.29    "Joint Invention" shall mean an Invention that is either conceived of or
        first reduced to practice by the personnel of both WDC and IBM.

2.30    "Joint Work Product" shall mean Work Product that is jointly created by
        or results from the efforts of the personnel of both WDC and IBM,
        including any Subsidiaries of WDC or IBM.

2.31    "LA" and "Limited Availability" shall mean ____________.

2.32    "Managing Coordinator" shall mean each of the individuals who are named
        in Section 21.1 and are responsible for the oversight of this Agreement.

2.33    "Manufacturing Software" shall mean software that IBM or a Subsidiary of
        IBM provides to WDC or a Subsidiary of WDC for use in the manufacturing
        of desktop Products, and is further described in Attachment C.
        Manufacturing Software may include software loaded into manufacturing
        machines, but does not include Software Tools or Microcode.

2.34    "Microcode" shall mean software that IBM or a Subsidiary of IBM provides
        to WDC or a Subsidiary of WDC for embedding into the integrated
        circuitry of a desktop Product, and which is further described in
        Attachment C. Microcode shall not include Manufacturing Software or
        Software Tools.

2.35    "Minimum Volume Forecast" shall mean the forcasted volumes of HGAs which
        WDC and its Subsidiaries intends to purchase from IBM or a Subsidiary of
        IBM, as described in Attachment A to this Agreement.

                                       5


<PAGE>   11

2.36    "[Product C]" shall mean the first successor 3.5" form factor, desktop
        Product to [Product B] that is assembled by WDC or a Subsidiary of WDC
        in accordance with WDC's HDD specifications.

2.37    "Object Code" shall mean computer programming code, substantially or
        entirely in binary form, which is intended to be directly executable by
        a computer after suitable processing, but without the intervening steps
        of compilation or assembly.

2.38    "OEM" shall mean original equipment manufacturer.

2.39    "OEM Agreement" shall mean the OEM Sales and Purchase Agreement between
        International Business Machines Corporation and Western Digital
        Corporation attached hereto as Attachment G.

2.40    "Part(s)" are the component pieces included within an HSA.

2.41    "PCBA" shall mean the IBM-specified printed circuit board assembly that
        WDC and its Subsidiaries acquire from IBM or a Subsidiary of IBM under
        Attachment H.

2.42    "Phase 1" shall mean the period during which IBM provides Technical
        Assistance and licenses IBM Technology and IBM Technical Information to
        WDC, and WDC and its Subsidiaries acquire IBM Components for use in
        [Product A] and [Product B] and any successor desktop Products thereto
        that are assembled in accordance with IBM's HDD specifications and added
        to this Agreement by a written instrument executed by authorized
        representatives of WDC and IBM.

2.43    "Phase 1 HDD with Up to ________ Platters" shall mean a
        WDC-manufactured, 3.5" form factor, desktop HDD product that: (i) is
        assembled in accordance with IBM's HDD specifications; (ii) implements
        an AT/IDE Interface; and (iii) contains up to ______ disk platters.

2.44    "Phase 1 HDD with _______ Platters" shall mean a WDC-manufactured, 3.5"
        form factor, desktop HDD product that: (i) is assembled in accordance
        with IBM's HDD specifications; (ii) implements an AT/IDE Interface; and
        (iii) contains only ________ disk platters.

2.45    "Phase 1 HDD with Up to _______ Platters" shall mean a WDC-manufactured,
        3.5" form factor, desktop HDD product that: (i) is assembled in
        accordance with IBM's HDD specifications; (ii) implements an AT/IDE
        Interface; and (iii) contains up to ________ disk platters.

2.46    "Phase 2" shall mean the period during which IBM provides Technical
        Assistance and licenses IBM Technology and IBM Technical Information to
        WDC, and WDC and its Subsidiaries acquire IBM Components for use in
        [Product C] and any successor desktop Products thereto that are
        assembled in accordance with WDC's or a third party's HDD specifications
        and added to this Agreement by a written instrument executed by
        authorized representatives of WDC and IBM.

2.47    "Phase 2 HDD with Up to ________ Platters" shall mean a
        WDC-manufactured, 3.5" form factor, desktop HDD product that: (i) is
        assembled in accordance with WDC's or a third party's HDD
        specifications; (ii) implements an AT/IDE Interface; and (iii) contains
        up to ________ disk platters.

                                       6


<PAGE>   12

2.48    "Phase 2 HDD with _____ Platters" shall mean a WDC-manufactured, 3.5"
        form factor, desktop HDD product that: (i) is assembled in accordance
        with WDC's or a third party's HDD specifications; (ii) implements an
        AT/IDE Interface; and (iii) contains only _______ disk platters.

2.49    "Phase 2 HDD with Up to ______ Platters" shall mean a WDC-manufactured,
        3.5" form factor, desktop HDD product that: (i) is assembled in
        accordance with WDC's or a third party's HDD specifications; (ii)
        implements an AT/IDE Interface; and (iii) contains up to _______ disk
        platters.

2.50    "[Product B]" shall mean the IBM-designed 3.5" form factor, desktop
        Product that is described in Attachment B-2.

2.51    "Product(s)" shall mean the WDC-manufactured HDDs that incorporate IBM
        Components.

2.52    "Product End of Life" shall mean the date specified in a notice of
        withdrawal from marketing by IBM of an HGA product contained in a WDC
        desktop Product, or by WDC of a desktop Product that is subject to this
        Agreement.

2.53    "Program Quarter" or "PQ" shall mean, for any program, the first three
        (3) calendar months or each three (3) consecutive calendar months
        thereafter for which WDC has committed to acquire HGAs in production
        volumes from IBM or a Subsidiary of IBM, which volumes are further
        described in Attachment A and in the OEM Agreement

2.54    "Receiving Party" shall mean the party, or any Subsidiary of such party,
        who receives Confidential Information from the other party, or any
        Subsidiary of such other party, under the terms of Section 16.0,
        Confidential Information.

2.55    [Deleted]

2.56    "Residuals" shall mean information that is retained in the unaided
        memories of employees of WDC or its Subsidiaries that is in any way
        derived from the IBM Technology or IBM Technical Information supplied by
        IBM or its Subsidiaries to WDC or its Subsidiaries under this Agreement.
        Notwithstanding the foregoing, the term "Residuals" shall not include
        any information that contains any Core IBM Technology.

2.57    [Deleted]

2.58    "Schedule" shall mean the delivery schedule for IBM Technology that ___
        is described in Attachment E.

2.59    "Senior Executives" for IBM shall be the General Manager of IBM's
        Storage Systems Division or his or her designee, and for WDC shall be
        its Chief Executive Officer or his or her designee.

2.60    "Software Tools" shall mean IBM-developed software that IBM provides to
        WDC to test IBM Components or desktop Products, and is further described
        in Attachment C. Software Tools may include software loaded into test
        machines, but does not include Manufacturing Software or Microcode.

                                       7


<PAGE>   13

2.61    "SONP" shall mean __________.

2.62    "Source Code" shall mean computer instructions in a human readable,
        non-executable format from which Object Code can be produced by
        compilation, interpretation and/or assembly. Source Code may also
        include programming annotations and commentary sufficient to educate a
        competent computer programmer as to the general intent and purpose of
        such programming instructions.

2.63    "Subject Acquirer" shall mean an Acquiring Party or an affiliate of an
        Acquiring Party that has revenues in excess of $______ in sales of hard
        disk drives, or storage subsystems or $_______ in sales of components of
        hard disk drives in each case measured as of the end of the most recent
        fiscal year of such person or entity.

2.64    "Subsequent Payment(s)" shall mean the payment that WDC pays to IBM as
        further described in Section 1.1.2 of Exhibit 1 to the OEM Agreement.

2.65    "Subsidiary(ies)" shall mean a corporation, company, limited liability
        company or other entity:

        (a) more than fifty percent (50%) of whose outstanding shares or
            securities (representing the right to vote for the election of
            directors or other managing authority) are, now or hereafter, owned
            or controlled, directly or indirectly, by a party hereto; or

        (b) which does not have outstanding shares or securities, as may be the
            case in a partnership, joint venture, or unincorporated association,
            but more than fifty percent (50%) of whose ownership interest
            representing the right to make the decisions for such corporation,
            company or other entity is, now or hereafter, owned or controlled,
            directly or indirectly, by a party hereto;

        but such corporation, company or other entity shall be deemed to be a
        Subsidiary only so long as such ownership or control exists.

2.66    "Supplement" shall mean an Attachment to this Agreement for a desktop
        Product that contains, among other things, Minimum Volume Forecast and
        Third Party Manufacturer time provisions, as further described in
        Attachment A.

2.67    "Technical Assistance" shall mean the services that IBM or its
        Subsidiaries provides to WDC or a Subsidiary of WDC in accordance with
        Section 6.0, and includes IBM Technical Information that IBM or a
        Subsidiary of IBM provides to WDC or a Subsidiary of WDC , in verbal or
        written form, as a result of IBM's or its Subsidiary's furnishing of
        such services.

2.68    "Technology Fees" shall mean the fees to be paid by WDC to IBM to obtain
        a license to use IBM Technology and IBM Technical Information in
        accordance with the license terms described in Section 6.0.

2.69    [Deleted]

2.70    "VT-2" shall mean _________.

                                       8


<PAGE>   14

2.71    "Work Product" shall mean literary works or other works of authorship,
        which result from the performance of this Agreement, such as
        documentation, reports and drawings, but excluding any Manufacturing
        Software, Software Tools or Microcode.

2.72    "3-Piece Chip Set" shall mean the IBM-specified application specific
        integrated circuit chip set that WDC and its Subsidiaries acquire from
        IBM or a Subsidiary of IBM under the terms of Attachment H.


                                       9

<PAGE>   15

3.0     IBM SALE OF PARTS TO WDC

3.1     IBM COMPONENTS

WDC will purchase from IBM certain components pursuant to the OEM Agreement and
the agreement entitled Agreement for Fabrication and Purchase of Products
(Original Equipment Manufacturer) between International Business Machines
Corporation and Western Digital Corporation dated April 8, 1993, as amended
(including Amendment No. 16 thereto, the "IMD 3-Piece Chip Set Agreement"), both
of which are part of this Agreement and are, respectively, Attachments G and H.

3.2     VENDOR COMPONENTS

3.2.1 In order to achieve compliance with IBM's specifications, WDC may purchase
mechanical components for the desktop Products that are the subject of this
Agreement only from third party suppliers who meet IBM's qualification
standards. WDC shall be solely responsible for the arrangements it makes in the
procurement of mechanical components, for the choice of supplier, and for the
qualification of its third party suppliers of mechanical components.
Specifically, WDC shall be responsible for the selection of, and payment,
shipment, delivery, returns, cancellations, rejections and variances from
specifications for, all such mechanical components.

3.2.2 IBM will assist WDC in its efforts to qualify third party suppliers of
mechanical components for [Product A] and [Product B], including ________ disk
media vendors, as follows:

               [Deleted]


3.2.3 If WDC elects to acquire IBM Components, and obtain IBM Technology and IBM
Technical Information, under Phase 2 for use in [Product C], IBM will provide to
WDC component level disk qualification test data for ____ (__) disk media
vendors. In addition, for disk media _____________________________ and will
maintain standard disk media for the purpose of testing.

3.3.4 [Deleted]

3.3.5 Upon the request of either party, appropriate representatives of WDC and
IBM will meet jointly to address matters of joint interest that relate to the
manufacturability, quality, reliability, serviceability and potential capacity
of mechanical components that are to be acquired by WDC for use in [Product A]
and [Product B].


4.0     TECHNOLOGY

4.1     PROCESS FOR PROJECTS

The parties have developed separate Attachments to this Agreement that, among
other things, describe, where applicable, the items that IBM plans to provide to
WDC under this Agreement. In this regard, Attachments to this Agreement have
been prepared for [Product A] and [Product B] that describe the prices and fees
for the IBM Components, and a list of items of IBM Technology to be provided to
WDC.


                                       10


<PAGE>   16

With regard to future WDC desktop HDD projects beyond those currently
contemplated under this Agreement, they may be made a part of this Agreement in
accordance with the terms of Section 4.2.3 or 4.3.3 through the preparation of
additional Attachments by the parties. Any such additional Attachments will
become a part of this Agreement upon written agreement of the authorized
representatives of both parties. Such future projects, if any, will be
documented as Attachments in a similar format and detail when they are agreed to
by such authorized representatives of the parties.

4.2     PHASE 1 HDD PROGRAMS

4.2.1 To assist WDC in integrating IBM Components for Phase 1, IBM will license
IBM Technology and IBM Technical Information to WDC solely to enable it to
integrate IBM Components into [Product A] and [Product B] . In order to
facilitate WDC's early use of IBM Components, IBM will also license IBM HDD
design specifications to WDC under the terms of Sections 6.1.1 and 6.1.2 for
[Product A] and [Product B] for Phase 1. All IBM Technology and IBM Technical
Information provided by IBM during Phase 1 is licensed to WDC only in accordance
with Sections 6.1.1 and 6.1.2.

4.2.2 IBM will provide IBM Technology and IBM Technical Information only to
WDC's Desktop Development Group, which will use IBM Technology and IBM Technical
Information solely to integrate IBM Components and certain designated non-IBM
mechanical components acquired from third parties into [Product A] and [Product
B].

4.2.3 At least ___ (__) _____ before WDC's planned General Availability date for
a successor desktop product to [Product B], WDC shall determine whether it
wishes to continue to acquire IBM Components and receive mutually agreed upon
IBM Technology and Technical Assistance under Phase 1 in accordance with the
terms of Sections 6.1.1 and 6.1.2. At this time, WDC may perform a "due
diligence" review to determine if it wishes to receive IBM Technology and
Technical Assistance for this successor desktop product to facilitate WDC's use
of IBM Components. If WDC decides to obtain, and IBM decides to provide, such
items, then the parties will negotiate (i) the scope of IBM Technology and
Technical Assistance to be delivered to WDC by IBM, (ii) a Minimum Volume
Forecast and pricing schedule that applies to IBM Components, (iii) Third Party
Manufacturer time provisions, and (iv) certain other matters, including any
changes or additions to terms and conditions. Upon agreement by the parties, and
subject to WDC's payment of all applicable licensing fees, WDC and IBM will
amend this Agreement to add a Supplement for such successor new desktop Product
for Phase 1, and will update all other applicable Attachments and other terms
and conditions.

4.3     PHASE 2  HDD PROGRAMS

4.3.1 WDC may also elect in writing to receive additional IBM Technology
applicable to [Product B] and Technical Assistance from IBM for [Product C]. To
assist WDC in integrating IBM Components into [Product C], upon WDC's election,
IBM will license additional IBM Technology and IBM Technical Information to WDC.
All IBM Technology and IBM Technical Information is licensed by IBM only in
accordance with Sections 6.1.3 and 6.1.4. If WDC chooses to obtain a license to
such IBM Technology and IBM Technical Information applicable to [Product B]
solely for use in [Product C], WDC shall provide IBM with written notice at
least ___________ before WDC's expected availability of [Product C].

4.3.2 At least ______ (---) _______ before WDC's planned General Availability
date for a successor desktop product to [Product B], WDC shall determine whether
it wishes to continue to acquire IBM


                                       11


<PAGE>   17

Components and receive mutually agreed upon IBM Technology and Technical
Assistance under Phase 2 in accordance with the terms of Sections 6.1.3 and
6.1.4. At this time, WDC may perform a "due diligence" review to determine if it
wishes to receive IBM Technology and Technical Assistance for this successor
desktop Product to facilitate WDC's use of IBM Components. If WDC decides to
obtain, and IBM decides to provide, such items, then the parties will negotiate
(i) the scope of IBM Technology and Technical Assistance to be delivered to WDC
by IBM, (ii) a Minimum Volume Forecast and pricing schedule that applies to IBM
Components, (iii) Third Party Manufacturer time provisions, and (iv) certain
other matters, including any changes or additions to terms and conditions. Upon
agreement by the parties, and subject to WDC's payment of all applicable
licensing fees, WDC and IBM will amend this Agreement to add a Supplement for
such successor new desktop Product for Phase 2, and will update all other
applicable Attachments and other terms and conditions.

4.3.3 The parties may also discuss and consider whether other products that
contain IBM's HSAs or HGAs to be acquired from IBM should be included under this
Agreement. If authorized representatives of the parties agree that such other
products should be included, amendments to this Agreement may be prepared and
executed by the parties for such products.

4.3.4 If WDC desires to use and purchase Electronics in volume from IBM for use
in [Product C], provided that IBM believes that it possesses all third party
rights, free and clear of all actual and probable third party claims, which are
necessary to permit IBM to sell or otherwise distribute Electronics to WDC for
use in such Product, IBM agrees to provide an option to WDC to obtain a license
for certain mutually agreed upon technology for such Electronics to enable WDC
to use such technology solely to integrate such Electronics into [Product C]. If
WDC makes a written election to exercise such option for [Product C], IBM will
provide to WDC a license to specifications and drawings for the PCBA, as
available, and if necessary for WDC to integrate the Electronics solely into
[Product C], at a negotiated additional licensing fee. Any license that IBM will
grant will be consistent with the rights granted by IBM to WDC pursuant to
Sections 6.1.3 and 6.1.4. Such license to IBM Technology will enable WDC solely
to integrate Electronics into a Phase 2 HDD with Up to ________ Platters that
contains IBM Components. Notwithstanding anything to the contrary, IBM makes no
representations or warranties under this Section 4.3.4 that it possesses or will
possess sufficient third party rights to sell or otherwise distribute
Electronics to WDC under this Agreement.

4.4     LIST OF IBM TECHNOLOGY

4.4.1 Attachment D contains a list of IBM Technology that IBM intends to provide
to WDC under Phase 1, and under Phase 2 if WDC elects to receive additional IBM
Technology for Phase 2 in accordance with Section 4.3.1. The parties acknowledge
that although IBM will use reasonable efforts to provide to WDC the items in
this list, IBM may be unable to provide certain selected items. Accordingly,
notwithstanding anything to the contrary, provided that IBM has exerted
reasonable efforts to provide items of IBM Technology contained in Attachment D,
the failure by IBM to provide any such items to WDC shall not constitute a
breach of this Agreement or entitle either party to any damages.

4.4.2 WDC obtains no rights or licenses to any IBM copyrights under Sections 4.0
and 6.0. Any copyright license which IBM grants to WDC for Manufacturing
Software, Software Tools and Microcode is provided solely in accordance with
Section 11.0.

4.4.3 The IBM Technology and IBM Technical Information that IBM provides to WDC
under this Agreement contains, among other things, valuable trade secrets,
ideas, concepts, know-how, and/or


                                       12

<PAGE>   18

techniques. All IBM Technology and IBM Technical Information that IBM provides
to WDC shall be licensed for WDC's use only in accordance with Section 6.0.

4.5     SCHEDULE FOR TECHNOLOGY

4.5.1 Each party will attempt to meet the checkpoints that are established in
Attachment E. Although the parties will use reasonable efforts in attempting to
meet the checkpoints in Attachment E, the parties acknowledge that the results
of their efforts are uncertain and cannot be guaranteed by either party.
Accordingly, notwithstanding anything to the contrary, provided that a party has
exerted reasonable efforts in attempting to meet the checkpoints, the failure to
achieve such checkpoints shall not constitute a breach of this Agreement. All
IBM Technology that IBM provides under this Agreement will be made available by
IBM only on an "as available" basis.

4.5.2 While early delivery of IBM Technology is preferred by WDC for Phase 1,
items such as IBM's tooling, Microcode and HDD product designs are under a
continual state of change until completion of IBM's VT-2. PCBA and firmware are
subject to substantial change during VT-2 and, therefore, a major portion of IBM
Technology for Phase 1 may be provided by IBM to WDC after the completion of
VT-2. Upon mutual agreement of both parties, stable items of IBM Technology will
be provided for Phase 1 earlier by IBM to WDC, if available, and items with a
greater probability of change may be delayed until such items become less likely
to change. It is the intent of both parties to work together to allow for IBM
Technology to be provided in Phase 1 to help WDC bring its manufacturing lines
to normal production within a timeframe that is consistent with IBM's production
schedule for the same desktop Products that are the subject of the delivery of
IBM Technology by IBM to WDC under Phase 1.

4.5.3 If WDC elects to receive IBM Technology in Phase 2, specifications and
other information for the head disk assembly will be delivered to WDC from IBM
no earlier than the date on which VT-2 is concluded for the applicable desktop
HDD product. As in Phase 1, upon agreement of both parties, information which is
stable, and less likely to change, will be provided earlier for Phase 2 by IBM
to WDC, if available, and items with a greater probability of change may be
delayed until such items become less likely to change. It is the intent of both
parties to work together to allow for IBM Technology to be provided in an agreed
upon schedule, but also in a manner that minimizes distractions for the
development and design teams in IBM.


5.0     TECHNICAL ASSISTANCE

5.1 IBM will provide Technical Assistance to help WDC to scale-up the initial
manufacture under Phase 1 for [Product A] and [Product B]. Such Technical
Assistance shall not exceed ______ (___) person years per desktop Product. This
Technical Assistance will include the annotation of drawings in English and
addressing of procurement issues, vendor selection and qualification.

5.2 To the extent necessary to implement the IBM Technology described above in
Phase 1 for [Product A] and [Product B], IBM will provide WDC with a technical
training session for a period of up to ____ at its ________ facility in _____.
The number of WDC employees who shall be entitled to attend such training shall
be up to ______ (___) employees. WDC shall be solely responsible for any travel
and lodging expenses that its employees incur to travel to ________, ______, for
this technical training session.


                                       13


<PAGE>   19

5.3 After completion by WDC of the technical training session in Section 5.2,
upon WDC's written request, IBM will use reasonable efforts to provide Technical
Assistance to help enable WDC to provide customer support, failure analysis and
field support to WDC's customers, and factory support for WDC's manufacturing
lines. At IBM's option, this ongoing support may be enabled for WDC by locating
an agreed upon number of WDC employees, at WDC's expense, among IBM's production
engineering team for the corresponding IBM HDD product in
________, ______.

5.4 If WDC elects to obtain IBM Technology under Phase 2 in accordance with
Sections 4.3.1 or 4.3.2, and desires to obtain Technical Assistance from IBM
under Phase 2 for desktop Products, IBM will provide a U.S. interface team to
provide Technical Assistance. This U.S. interface team will include a group of
up to _________ (___) people to facilitate the transfer of documents, the
providing of assistance, orchestration of WDC to IBM direct communications, and
visits to IBM sites (including IBM ________), subject to the following limits:

        (a) IBM will provide a maximum of ____ person-years (____________ hours)
            for each desktop HDD program (e.g., [Product C], successor desktop
            Product to [Product C], etc.); and

        (b) IBM will provide a maximum of ___ person year (________ hours) for
            support for disk media qualification for each desktop HDD program
            (e.g., [Product C], successor desktop Product to [Product C], etc.).
            WDC is solely responsible for such qualification.

The Technical Assistance that IBM will provide to WDC under this Agreement will
include the annotation of drawings in English, formulating HDA control
specifications, and addressing procurement issues, vendor selection and
qualification. As more information and requirements become clear, upon mutual
agreement, an additional, smaller support team in ________, _______, may be
necessary.

5.5 WDC agrees to channel all requests for Technical Assistance through IBM's
interface team. WDC shall not initiate any direct communications to IBM's
employees in ________, _______ who are not on IBM's interface team, unless WDC
first obtains IBM's prior written consent. Upon mutual agreement, the IBM team
will communicate with WDC and IBM sites worldwide. IBM will respond to requests
by WDC for Technical Assistance in a prompt and expeditious manner with a
written or oral response as appropriate and, if necessary, agreed upon direct
contact with persons who can assist WDC on an issue.

5.6 Although IBM will use reasonable efforts in attempting to provide Technical
Assistance to WDC, the parties acknowledge that IBM's ability to provide
Technical Assistance can not be guaranteed. Accordingly, notwithstanding
anything to the contrary, provided that IBM has exerted reasonable efforts in
attempting to provide Technical Assistance to WDC, the failure by IBM to provide
such Technical Assistance shall not constitute a breach of the Agreement or
entitle either party to any damages.

6.0     TECHNOLOGY LICENSE

6.1     WDC LICENSE TO IBM TECHNOLOGY

6.1.1 Subject to WDC's payment to IBM of license fees in accordance with the
terms of this Agreement and IBM's right to terminate this Agreement, Contract or
license, with respect to IBM Technology and IBM Technical Information for a
_________ disk platter desktop HDD configuration in


                                       14


<PAGE>   20

Phase 1, IBM grants to WDC a non-exclusive license to use such IBM Technology
and IBM Technical Information solely to integrate IBM Components and certain
designated non-IBM mechanical components acquired from third parties into a
Phase 1 HDD with Up to ________ Platters.

6.1.2 Subject to WDC's payment to IBM of license fees in accordance with the
terms of this Agreement and IBM's right to terminate this Agreement, Contract or
license, with respect to IBM Technology and IBM Technical Information for a
______ disk platter desktop HDD configuration in Phase 1, and ____ disk platter
desktop HDD configuration if such IBM Technology and IBM Technical Information
is disclosed by IBM to WDC under the terms of this Agreement, IBM grants to WDC
a non-exclusive license to use such IBM Technology and IBM Technical Information
solely to integrate IBM Components and certain designated non-IBM mechanical
components acquired from third parties into a Phase 1 HDD with ________
Platters.

6.1.3 Subject to WDC's payment to IBM of license fees in accordance with the
terms of this Agreement and IBM's right to terminate this Agreement, Contract or
license, with respect to IBM Technology and IBM Technical Information for a
________ disk HDD platter configuration in Phase 2, IBM grants to WDC a
non-exclusive license to use such IBM Technology and IBM Technical Information
solely to integrate IBM Components and certain designated non-IBM mechanical
components acquired from third parties into a Phase 2 HDD with Up to ________
Platters.

6.1.4 Subject to WDC's payment to IBM of license fees in accordance with the
terms of this Agreement and IBM's right to terminate this Agreement, Contract or
license, with respect to IBM Technology and IBM Technical Information for a ____
disk platter desktop HDD configuration in Phase 2, and ____ disk platter desktop
HDD configuration if such IBM Technology and IBM Technical Information is
disclosed by IBM to WDC, IBM grants to WDC a non-exclusive license to use such
IBM Technology and IBM Technical Information solely to integrate IBM Components
and certain designated non-IBM mechanical components acquired from third parties
into a Phase 2 HDD with ____ Platters.

6.2   LICENSED USE

6.2.1 Because many technical problems could arise as a result of changes made by
WDC to the IBM HDD Product specifications that IBM provides in Phase 1 (for
example, changes could affect manufacturing yields, compatibility of parts and
HDD integrity, with possible expense to both parties), WDC is not licensed under
this Agreement to make or have made derivatives of, or to make any changes to,
IBM HDD product specifications that IBM provides without first obtaining prior
written approval from IBM.

6.2.2 WDC is not licensed to distribute IBM's specifications and drawings to any
other party, or to use IBM's specifications or drawings to purchase any
components. WDC is licensed to use certain IBM-designated specifications or
drawings for IBM mechanical components to create its own WDC specifications or
drawings for certain specified mechanical components for [Product A] and
[Product B], and is licensed to use such WDC-created specifications or drawings
to purchase specified mechanical components from other parties for [Product A]
and [Product B] that contain IBM Components. If WDC elects to obtain IBM
Technology and Technical Assistance under Phase 2 for [Product C], WDC will be
licensed to use certain IBM-designated specifications and drawings for IBM
mechanical components to create its own WDC specifications and drawings for
certain specified mechanical components for [Product C], and may use such
WDC-created specifications and drawings to purchase specified mechanical
components from other parties for [Product C] that contains IBM Components. WDC
shall duplicate exactly the IBM specifications and drawings for IBM mechanical
components with changes


                                       15


<PAGE>   21

only in relabeling; no other changes or deviations may be made without IBM's
approval. If WDC wishes to make changes to IBM's specifications and drawings for
the items described above, the parties agree to meet and discuss such deviations
to ensure that both parties understand the proposed changes. IBM is not
obligated to support any deviations from the original IBM specifications and
drawings.

6.2.3 Notwithstanding the terms of Sections 16.2, 16.3 and 16.8, all WDC
drawings and specifications for mechanical components that are created by WDC
pursuant to Section 6.2.2 shall be considered as IBM Confidential under this
Agreement. WDC shall place a "WDC Confidential Information" legend in a
conspicuous location on each such drawing and specification and, prior to WDC's
disclosure of any such WDC drawing or specification to a third party, obtain
such third party's written agreement to treat such WDC drawing or specification
in accordance with the terms of Section 16.4 as if such third party were named
in the place of WDC for the purposes of such Section.

6.2.4 WDC is not licensed to make or have made derivatives of the IBM
Components, or any IBM Technology or IBM Technical Information that IBM provides
under this Agreement. Except as specified in Sections 6.3, WDC is not licensed
to use any IBM Technology or IBM Technical Information in any products that are
derivative products of the desktop Products for which WDC acquires IBM
Components under this Agreement.

6.2.5 IBM retains all right, title, interest and ownership in the IBM Technology
and IBM Technical Information that it provides to WDC. The licenses granted in
Section 6.0, Technology License, are licenses to non-public information and,
therefore, do not provide WDC with any license or other right, directly or by
implication, estoppel or otherwise, to use any copyrights, trademarks, patents
or other intellectual property rights of IBM.

6.3   RESIDUALS

6.3.1 If WDC desires to use personnel who have had access to IBM Technology or
IBM Technical Information in successor desktop HDD products to the last desktop
Product for which WDC acquires IBM Components under this Agreement, then WDC
will require from IBM either of the following licenses to allow it to use
Residuals:

        (a) subject to IBM's right to terminate this Agreement, Contract or
            license, a non-exclusive license for WDC to use Residuals solely to
            integrate IBM HSAs and HGAs acquired from IBM or a Subsidiary of
            IBM, and mechanical components, into ________ successor Phase 2 HDD
            with Up to ______ Platters products; or

        (b) subject to WDC's payment of the fees in Section 9.3 of this
            Agreement, and IBM's right to terminate this Agreement, Contract or
            license, a non-exclusive license for WDC to use Residuals for
            __________ successor Phase 2 HDD with Up to _____ Platters products.

Solely for the purpose of interpretation of this Section 6.3 and Section 9.3, a
successor Phase 2 HDD with Up to _______ Platters is both a desktop HDD product
that (i) is as defined in Section 2.49, and (ii) possesses substantially
different performance or physical characteristics from a prior desktop HDD
product, and is made generally available for sale in volume by WDC to its
customers as one of its primary desktop HDD offerings for a commercially
reasonable period of time that is usually associated with such offerings.


                                       16


<PAGE>   22

WDC shall submit to IBM a written request prior to the use of such personnel in
the development of any applicable successor desktop HDD products, and IBM will
then grant either of the above licenses to WDC to allow it to use Residuals.

6.4   SUBLICENSING RIGHTS

6.4.1 All of the licenses granted by IBM to WDC to use IBM Technology and IBM
Technical Information under this Agreement are non-transferable and personal to
WDC, except that (i) IBM's Subsidiaries shall have the right to exercise, and to
have third parties who perform the assembly of HGAs and other components into
HSAs delivered to WDC or its Subsidiaries exercise, such licenses granted by IBM
to WDC under this Agreement without the payment of any fees, and (ii) WDC's
Subsidiaries shall have the right to exercise such licenses granted by IBM to
WDC under this Agreement, and (iii) the transferability and WDC's personal use
of such licenses are subject to the provisions of Section 17.0, Change of
Control.

6.4.2   [Deleted]


7.0   INTENTIONALLY LEFT BLANK


8.0   EXCLUSIVE REMEDY AND INCENTIVE PAYMENT

8.1   REMEDY FOR [PRODUCT A]

8.1.1 If IBM fails to meet its LA date for the ________ disk platter
configuration (including the agreed upon areal density) for [Product A], as
defined by IBM's established practice, by _______________, then the parties
agree that beginning with _______________, and each __________ days thereafter,
the percentage for Subsequent Payments for such configuration of [Product A]
that is set forth in Section 1.1.2 of Exhibit 1 of the OEM Agreement will be
decreased to the percentage, as depicted below:

          Number of          Number                                   If LA Date
        Disk Platters       of Heads      If LA Date    If LA Date     or later
        -------------       --------      ----------    ----------    ----------

            --                 --             --             --            --

8.1.2 If IBM fails to meet its LA date for the ________ disk platter
configuration (including the agreed upon areal density) for [Product A], as
defined by IBM's established practice, by _________, then the parties agree that
beginning with __________________, and each __________days thereafter, the
percentage for Subsequent Payments for such configuration of [Product A] that is
set forth in Section 1.1.2 of Exhibit 1 of the OEM Agreement will be decreased
to the percentage, as depicted below:

          Number of          Number                                   If LA Date
        Disk Platters       of Heads      If LA Date    If LA Date     or later
        -------------       --------      ----------    ----------    ----------

            --                 --             --             --            --
            --                 --             --             --            --


                                       17


<PAGE>   23

8.1.3 In addition, if IBM fails to meet its LA date for ______ disk platter
configuration (including the agreed upon areal density) for [Product A], as
defined by IBM's established practice, by ____________, ____ then the parties
agree that beginning with _____________, and each _______ days thereafter, with
respect to the percentage of ____________ percent (____%) for Subsequent
Payments that is set forth in Section 1.1.2 of Exhibit 1 of the OEM Agreement,
such percentage amount shall be reduced for [Product A] based on the LA date of
the ________ disk platter configuration for [Product A], as depicted below:

        If LA Date                If  LA Date                 If  LA Date
       -------------             -------------               -------------

            --                         --                          --

8.1.4 If IBM has still not met its LA date for the ________ disk platter
configuration (including the agreed upon areal density) for [Product A] by
________________, then the ________ payment in the amount of __________ U.S.
dollars ($_______) owed by WDC to IBM for the _______ disk platter configuration
for [Product A] and [Product B] under Section 9.2.1 (on the line defined as
"__________ days after the commencement date of [Product A] VT-2 or at IBM's
SONP, as defined by IBM's established practice, whichever is later"), will be
waived for the failure to meet the scheduled LA date for the _________ disk
platter configuration for [Product A].

8.1.5 If IBM has still not met its LA date for the ______ disk platter
configuration (including the agreed upon areal density) for [Product A] by
___________, then the ________ payment in the amount of _________ U.S. dollars
($___________) owed by WDC to IBM for the ______ disk platter configuration for
[Product A] and [Product B] under Section 9.2.1 (on the line defined as
"___________days after the commencement date of [Product A] VT-2 or at IBM's
SONP, as defined by IBM's established practice, whichever is later"), will be
waived for the failure to meet the scheduled LA date for the ______ disk platter
configuration for [Product A].

8.1.6 Because damages are difficult to determine for the failure to demonstrate
an agreed upon areal density achievement, IBM shall also pay WDC _______ U.S.
dollars ($________) if IBM is unable to demonstrate the achievement of an agreed
upon areal density for the ______ disk platter configuration for [Product A] by
_____________. For the purposes of this Section 8.1.6, the agreed upon areal
density for [Product A] is _____ gigabytes per platter at ________ revolutions
per minute, and ______ gigabytes per platter at _________ revolutions per
minute.

8.1.7 Because damages are difficult to determine for the failure to demonstrate
an agreed upon areal density achievement, IBM shall also pay WDC ________ U.S.
dollars ($_______) if IBM is unable to demonstrate the achievement of an agreed
upon areal density for the ______ disk platter configuration for [Product A] by
________. For the purposes of this Section 8.1.7, the agreed upon areal density
for [Product A] is ____ gigabytes per platter at _________ revolutions per
minute, and ____ gigabytes per platter at ______ revolutions per minute.

8.2   REMEDY FOR [PRODUCT B]

8.2.1 If IBM fails to meet its LA date for the ________ disk platter
configuration (including the agreed upon areal density) for [Product B], as
defined by IBM's established practice, by _________, then the parties agree that
beginning _________________, and each _________ days thereafter, the percentage
for Subsequent Payments for such configuration of [Product B] that is set forth
in Section 1.1.2 of Exhibit 1 of the OEM Agreement will be decreased to the
percentage, as depicted below:

                                       18


<PAGE>   24

          Number of          Number
        Disk Platters       of Heads      If LA Date    If LA Date    If LA Date
        -------------       --------      ----------    ----------    ----------

            --                 --             --             --            --

8.2.2 If IBM fails to meet its LA date for the _________ disk platter
configuration (including the agreed upon areal density) for [Product B], as
defined by IBM's established practice, by ________, then the parties agree that
beginning _________, and each __________ days thereafter, the percentage for
Subsequent Payments for such configuration of [Product B] that is set forth in
Section 1.1.2 of Exhibit 1 of the OEM Agreement will be decreased to the
percentage, as depicted below:

          Number of          Number
        Disk Platters       of Heads      If LA Date    If LA Date    If LA Date
        -------------       --------      ----------    ----------    ----------

            --                 --             --             --            --

8.2.3 In addition, if IBM fails to meet its LA date for ________ disk platter
configuration (including the agreed upon areal density) for [Product B], as
defined by IBM's established practice, by ____________, then the parties agree
that beginning with _________, and each __________ days thereafter, with respect
to the percentage of ___________ percent (____%) for Subsequent Payments that is
set forth in Section 1.1.2 of Exhibit 1 of the OEM Agreement, such percentage
amount shall be reduced for [Product B] based on the LA date of the _______ disk
platter configuration for [Product B], as depicted below:

            If LA date            If LA date             If LA date
          --------------       ---------------        --------------

               --                    --                     --

8.2.4 If IBM has still not met its LA date for the ________ disk platter
configuration (including the agreed upon areal density) for [Product B] by
_______________, then the _____ payment in the amount of ____________ U.S.
dollars ($______ owed by WDC to IBM for the _______ disk platter configuration
for [Product A] and [Product B] under Section 9.2.1 (on the line defined as
"_______ days after the commencement date of [Product B] VT-2 or at IBM's SONP,
as defined by IBM's established practice, whichever is later"), will be waived
for the failure to meet the scheduled LA date for the _________ disk platter
configuration for [Product B].

8.2.5 If IBM has still not met its LA date for the ______ disk platter
configuration (including the agreed upon areal density) for [Product B] by
____________, then the _____ payment in the amount of __________ U.S. dollars
($________) owed by WDC to IBM for the _______ disk platter configuration for
[Product A] and [Product B] under Section 9.2.1 (on the line defined as
"_________ days after the commencement date of [Product B] VT-2 or at IBM's
SONP, as defined by IBM's established practice, whichever is later"), will be
waived for the failure to meet the scheduled LA date for the _____ disk platter
configuration for [Product B].


                                       19


<PAGE>   25

8.2.6 Because damages are difficult to determine for the failure to demonstrate
an agreed upon areal density achievement, IBM shall also pay WDC
____________________ U.S. dollars ($______) if IBM is unable to demonstrate the
achievement of an agreed upon areal density for the __________ disk platter
configuration for [Product B] by __________. For the purposes of this Section
8.2.6, the agreed upon areal density for [Product B] is ________ gigabytes per
platter at _______ revolutions per minute.

8.2.7 Because damages are difficult to determine for the failure to demonstrate
an agreed upon areal density achievement, IBM shall also pay WDC _______ U.S.
dollars ($__________) if IBM is unable to demonstrate the achievement of an
agreed upon areal density for the _______ disk platter configuration for
[Product B] by ______________. For the purposes of this Section 8.2.7, the
agreed upon areal density for [Product B] is __________ gigabytes per platter at
_______ revolutions per minute.

8.2.8 The current scheduled LA date for [Product B] is _____________, which LA
date is based only on the introduction of a ________ revolutions per minute
configuration, or such other date that may be mutually agreed upon by the
parties. If the parties fail to agree on another LA date for [Product B], then
the current scheduled LA date for [Product B] shall remain at _________. If the
parties agree in the future on a new LA date for [Product B], they will amend
this Section to reflect their agreement. Upon mutual agreement, the parties may
also amend Sections 8.2.1 through 8.2.7 to provide new dates for exclusive
remedies.

8.3 The parties will negotiate terms for IBM's potential failure to demonstrate
agreed upon areal density achievement for desktop Products subsequent to
[Product B] that are to be covered under this Agreement, if applicable, setting
forth, as an amendment to the Agreement, agreed upon dates and reductions in
fees, where appropriate.

8.4 Sections 8.1, 8.2 and 8.3, including any and all subparts, state IBM's sole
and entire liability, and WDC's sole and exclusive remedy, for the failures to
meet the scheduled LA dates and demonstrate or achieve agreed upon areal
densities, for [Product A] and [Product B] (and any subsequent desktop Products,
if applicable). Such failures shall not be considered as a breach of this
Agreement.

8.5 The definitions that are set forth below in this Section 8.5 apply solely to
the terms of Sections 8.5, 8.6, 8.7 and 8.8.

8.5.1 "Flash" shall mean flash memory.

8.5.2 "HDC/MPUs" shall mean hard disk controller and microprocessor units.

8.5.3   "[Product A] Excess Flash Cost" shall mean an amount that consists of
        (i) the total units of Electronics that contain Flash and are included
        in [Product A] products sold or leased and shipped to customers during
        the [Product A] ROM Delay Period by WDC and its Subsidiaries, multiplied
        by (ii) the Flash Adder (as defined in Attachment H) for each unit of
        Electronics included in such [Product A] products.

8.5.4   "[Product A] Mask Target Date" shall mean _______ days after WDC's
        actual LA date for [Product A].

8.5.5   "[Product A] ROM Benefit" shall mean an amount that consists of (i) the
        total units of Electronics that contain ROM and are included in [Product
        A] products sold or leased and shipped to customers during the [Product
        A] ROM Incentive Period by WDC and its Subsidiaries, multiplied by (ii)
        the Flash Adder (as defined in Attachment H) for each unit of
        Electronics included in such [Product A] products.


                                       20


<PAGE>   26

8.5.6   "[Product A] ROM Delay Period" shall mean the period immediately
        preceding the ROM Implementation Date and during which a delay is
        experienced by WDC in its implementation of ROM into the Electronics for
        [Product A] that results primarily from the failure by IBM to provide a
        ROM Mask for [Product A] by the [Product A] Mask Target Date, which
        period shall under no circumstances exceed the total number of days that
        is equivalent to the number of days beyond the [Product A] Mask Target
        Date that IBM failed to make available internally or to a third party a
        ROM Mask for [Product A].

8.5.7   "[Product A] ROM Incentive Period" shall mean the period immediately
        following the ROM Implementation Date and during which an improvement in
        schedule is experienced in the implementation of ROM into HDC/MPUs that
        are contained in the Electronics for [Product A] that results primarily
        from the delivery by IBM of a ROM Mask for [Product A] prior to the
        [Product A] Mask Target Date, which period shall under no circumstances
        be less than a total number of days that is equivalent to the number of
        days that IBM delivered a ROM Mask for [Product A] in advance of the
        [Product A] Mask Target Date.

8.5.8   "[Product B] Excess Flash Cost" shall mean an amount that consists of
        (i) the total units of Electronics that contain Flash and are included
        in [Product B] products sold or leased and shipped to customers during
        the [Product B] ROM Delay Period by WDC and its Subsidiaries, and
        multiplied by (ii) the Flash Adder (as defined in Attachment H) for each
        unit of Electronics included in such [Product B] products.

8.5.9   "[Product B] Mask Target Date" shall mean ________ days after WDC's
        actual LA date for [Product B].

8.5.10  "[Product B] ROM Benefit" shall mean an amount that consists of (i) the
        total units of Electronics that contain ROM and are included in [Product
        B] products sold or leased and shipped to customers during the [Product
        B] ROM Incentive Period by WDC and its Subsidiaries, multiplied by (ii)
        the Flash Adder (as defined in Attachment H) for each unit of
        Electronics included in such [Product B] products.

8.5.11  "[Product B] ROM Delay Period" shall mean the period immediately
        preceding the ROM Implementation Date and during which a delay is
        experienced by WDC in its implementation of ROM into the Electronics for
        [Product B] that results primarily from the failure by IBM to provide a
        ROM Mask for [Product B] by the [Product B] Mask Target Date, which
        period shall under no circumstances exceed the total number of days that
        is equivalent to the number of days beyond the [Product B] Mask Target
        Date that IBM failed to make available internally or to a third party a
        ROM Mask for [Product B].

8.5.12  "[Product B] ROM Incentive Period" shall mean the period immediately
        following the ROM Implementation Date and during which an improvement in
        schedule is experienced in the implementation of ROM into HDC/MPUs
        contained in the Electronics for [Product B] that results primarily from
        the delivery by IBM of a ROM Mask for [Product B] prior to [Product B]
        Mask Target Date, which period shall under no circumstances be less than
        a total number of days that is equivalent to the number of days that IBM
        has delivered a ROM Mask for [Product B] in advance of the [Product B]
        Mask Target Date.


                                       21


<PAGE>   27

8.5.13 "ROM" shall mean masked read only memory.

8.5.14  "ROM Implementation Date" shall mean the date on which WDC or a
        Subsidiary of WDC starts shipping [Product A] or [Product B] products,
        as applicable, that incorporate ROM, which is implemented into the
        HDC/MPUs for the Electronics acquired from IBM or a Subsidiary of IBM.

8.5.15  "ROM Mask" shall mean ________ Code which is intended to reside in ROM
        that is to be included in the Electronics for [Product A] or [Product
        B], as applicable, and which has been qualified in accordance with IBM's
        standard process.

8.6. The parties anticipate that [Product A] and [Product B] will incorporate
HDC/MPUs with Flash for a period of time and subsequently incorporate HDC/MPUs
with ROM. IBM currently expects to make available internally or to a third party
ROM Mask for use in HDC/MPUs for [Product A] and [Product B] by the [Product A]
Mask Target Date and [Product B] Mask Target Date, respectively.

Because damages are difficult to determine for a failure by IBM to make
available internally or to a third party a ROM Mask for use in HDC/MPUs that are
to be included in Electronics for [Product A] by the [Product A] Mask Target
Date, if (i) IBM does not make available internally or to a third party a ROM
Mask for use in HDC/MPUs that are to be included in Electronics for [Product A]
by the [Product A] Mask Target Date, and (ii) the ROM Implementation Date for
HDC/MPUs for the Electronics for [Product A] is delayed primarily as a result of
IBM's failure to make such ROM Mask available for use in HDC/MPUs for [Product
A] by the [Product A] Mask Target Date, then IBM will pay WDC an amount equal
to__________ percent (_____%) of the [Product A] Excess Flash Cost that has been
incurred by WDC and its Subsidiaries during the [Product A] ROM Delay Period.

Because damages are difficult to determine for a failure by IBM to make
available internally or to a third party a ROM Mask for use in HDC/MPUs that are
to be included in Electronics for [Product B] by the [Product B] Mask Target
Date, if (i) IBM does not make available internally or to a third party a ROM
Mask for use in HDC/MPUs that are to be included in Electronics for [Product B]
by the [Product B] Mask Target Date, and (ii) the ROM Implementation Date for
HDC/MPUs for the Electronics for [Product B] is delayed primarily as a result of
IBM's failure to make such ROM Mask available for use in HDC/MPUs for [Product
B] by the [Product B] Mask Target Date, then IBM will pay WDC an amount equal to
________ percent (______%) of the [Product B] Excess Flash Cost that has been
incurred by WDC and its Subsidiaries during the [Product B] ROM Delay Period.

Notwithstanding the foregoing, IBM's payments under this Section and Section 8.8
will be limited to a maximum amount of _________ U.S. dollars ($_______) for the
[Product A] program, and ____________ U.S. dollars ($__________) for the
[Product B] program. In addition, notwithstanding anything to the contrary, IBM
shall not bear any costs for any excess supply or over-procurement by WDC and
its Subsidiaries of any Flash, including costs for excess supply obtained by WDC
and its Subsidiaries for any additional period during which HDC/MPUs containing
ROM is not available for purchase in volume from IBM or a Subsidiary of IBM.

This Section 8.6 states IBM's sole and entire liability, and WDC's sole and
exclusive remedy, for failures by IBM to make available internally or to third
parties ROM Masks for use in HDC/MPUs that are to be included in Electronics for
[Product A] and [Product B]. Such failures shall not be considered to be a
breach of this Agreement.


                                       22


<PAGE>   28

8.7 If (i) IBM makes available internally or to a third party a ROM Mask for use
in HDC/MPUs that are to be contained in Electronics for [Product A] prior to the
[Product A] Mask Target Date, and (ii) the ROM Implementation Date for HDC/MPUs
for the Electronics for [Product A] is improved primarily as a result of IBM's
success in making such ROM Mask available for use in HDC/MPUs for [Product A] by
the [Product A] Mask Target Date, then WDC shall pay IBM an amount equal to
__________ percent (___%) of the [Product A] ROM Benefit associated with the
Electronics for [Product A]. If IBM makes available internally or to a third
party a ROM Mask for use in HDC/MPUs that are to be contained in Electronics for
[Product B] prior to the [Product B] Mask Target Date, and (ii) the ROM
Implementation Date for HDC/MPUs for the Electronics for [Product B] is improved
primarily as a result of IBM's success in making such ROM Mask available for use
in HDC/MPUs for [Product B] by the [Product B] Mask Target Date, then WDC shall
pay IBM an amount equal to ___________ percent (____%) of the [Product B] ROM
Benefit that is associated with HDC/MPUs that contain ROM for [Product B].

8.8 WDC and its Subsidiaries shall release purchase orders for Flash to IBM and
its Subsidiaries on a weekly basis in an effort to avoid any excess supply or
over-procurement.

In addition, if IBM or a third party accepts or qualifies the use of a ROM Mask
for use in HDC/MPUs for Electronics prior to the formal release of such ROM
Mask, WDC and its Subsidiaries will not take any actions to unreasonably delay
the implementation of such ROM Mask into HDC/MPUs that are to be contained in
the Electronics for the [Product A] and [Product B] products.

For purposes of Sections 8.6 and 8.7, WDC shall have the burden of proof to
establish that a delay in the schedule for implementation of ROM was caused
primarily by IBM's failure to make available a ROM Mask by the [Product A] Mask
Target Date or [Product B] Mask Target Date, as applicable. In addition, for
purposes of Sections 8.6 and 8.7, IBM shall have the burden of proof to
establish that an improvement in schedule for the implementation of ROM was
caused primarily by IBM's success in achieving early delivery of a ROM Mask by
the [Product A] Mask Target Date or [Product B] Mask Target Date, as applicable.

At the end of each calendar quarter, the parties shall determine the amount that
may be due and owing under Sections 8.6 and 8.7, and any such amount shall be
paid to the appropriate party within __________ days after the date on which the
determination is made.

Any payment that is required to be paid by IBM or WDC under Sections 8.6 or 8.7
will be paid by electronic funds transfer to a bank account designated by the
appropriate party at the time a determination is made, or pursuant to any such
other method that WDC and IBM may agree to. Notwithstanding the foregoing, if
any payment(s) become due to WDC, IBM may elect to waive licensing fees required
to be paid by WDC for desktop Products within the next _________ day period in
lieu of making such payment.


9.0     TECHNOLOGY FEES

9.1     TECHNOLOGY LICENSE FEES

9.1.1   [Deleted]

9.1.2   [Deleted]


                                       23


<PAGE>   29

9.1.3   [Deleted]

9.1.4   [Deleted]

9.1.5   [Deleted]

9.1.6   [Deleted]

9.2     PAYMENT TERMS

9.2.1 WDC shall pay to IBM the following license fees, based upon amounts due
under Sections 9.1.1 and 9.1.2, on or before the required payment dates set
forth below for the licenses to IBM Technology and IBM Technical Information
that IBM provides to WDC under Phase 1 for [Product A] and [Product B]:

                                    ______ Disk Platters    _______Disk Platters
   Required Payment Date             Amount of Payments      Amount of Payments
   ---------------------            --------------------    --------------------
            --                            $  --                     $ --
            --                               --                       --

   __________ days after the
   Commencement Date of [Product A] 
   VT-2 or at IBM's SONP
   checkpoint, as defined by IBM's
   established practice,
   whichever is later                        --                       -- 

   On the Commencement Date
   of [Product B] VT-2                       --                       --

   _______ days after the 
   Commencement Date of [Product B]
   VT-2 or at IBM's SONP
   checkpoint, as defined by IBM's
   established practice, whichever
   is later                                  --                       --

                                        ---------              -----------
   Total Required Payments              $    --                $      --
                                        =========              ===========

IBM will promptly notify WDC of the date on which it begins VT-2 for both
[Product A] and [Product B] (the "Commencement Date"). All IBM obligations that
are associated with the payments required to be paid by WDC to IBM prior to
_____________, shall be considered to have been fulfilled by IBM no later than
the Initial Delivery Date.


                                       24


<PAGE>   30

9.2.2 For IBM Technology and IBM Technical Information that IBM will provide for
any successor Phase 1 programs or for Phase 2 programs, any license fees that
are due to IBM shall be paid by WDC on the date on which WDC commits to receive
IBM Technology and IBM Technical Information for the new HDD program with IBM.

9.2.3 All payments that are to be made by WDC to IBM for IBM Technology and IBM
Technical Information, including Residuals, shall be non-refundable. All
payments shall be paid by WDC to IBM by electronic funds transfer to the
IBM-designated bank account described in Section 21.2.1 of this Agreement, and
shall be in U.S. dollars. Any amounts due from IBM to WDC shall be paid by
electronic funds transfer to an account designated by WDC to IBM, or pursuant to
such other method as IBM and WDC may mutually agree.

9.3     LICENSE FEES FOR RESIDUALS

9.3.1 For WDC's use of Residuals, in whole or in part, in accordance with
Section 6.3.1(b), for the ______ successor desktop HDD product to the desktop
Products for which WDC acquires IBM Components under this Agreement, WDC shall
pay IBM a fee that is equal the greater of: ________ percent (___%) in the
aggregate, or the percentages set forth in the table below, of all net revenues,
as determined in accordance with generally accepted accounting principles, from
WDC's sales, leases and other distribution of such successor desktop HDD
products. Any amount due hereunder will be paid by WDC to IBM no later than
____________ days after the end of each calendar month in which such
transactions occur.

               [Table Deleted]

9.3.2 For WDC's use of Residuals, in whole or in part, in accordance with
Section 6.3.1(b), for the _________ successor desktop HDD product to the desktop
Products for which WDC acquires IBM Components under this Agreement, WDC shall
pay IBM a fee that is equal to the greater of: (i) _______ percent (__%) in the
aggregate, or (ii) the percentages set forth in the table below, of all net
revenues, as determined in accordance with generally accepted accounting
principles, from WDC's sales, leases and other distribution of such successor
desktop HDD products. Any amount due hereunder will be paid by WDC to IBM no
later than __________ days after the end of each calendar month in which such
transactions occur.

               [Table Deleted]

9.3.3 No additional fees will be required to be paid by WDC to IBM under this
Agreement for WDC's use of Residuals, in whole or in part, in accordance with
Section 6.3.1 for the _______ successor desktop HDD product and those desktop
HDD products that are successors to such ________ successor desktop HDD product,
beyond the last WDC desktop Product for which WDC buys IBM Components from IBM
or a Subsidiary of IBM under this Agreement.

9.3.4 For WDC's use of certain mutually agreed upon WDC-created specifications
and drawings for certain designated mechanical components for the last desktop
Product covered by this Agreement, which specifications and drawings have been
derived, in whole or in part, based on IBM Technology or IBM Technical
Information that IBM has supplied to WDC under this Agreement:


                                       25


<PAGE>   31
        (a) upon WDC's written request, WDC and IBM will negotiate a fee
            arrangement for WDC's use of any such mutually agreed upon
            WDC-created specifications and drawings in WDC's _________ successor
            Phase 2 HDD with Up to ________ Platters products beyond the last
            desktop Product covered by this Agreement; and

        (b) provided that WDC has paid to IBM all fees due under this Agreement,
            WDC may use, at no additional charge, such mutually agreed upon
            WDC-created specifications and drawings in additional successor WDC
            Phase 2 HDD with Up to ________ Platters products beyond the
            ________ successor WDC Phase 2 HDD with Up to ________ Platters
            product described in Section 9.3.4(a).

WDC shall enter into a fee agreement with IBM before WDC uses any such
WDC-created drawings and specifications for mechanical components in the first
two successor WDC Phase 2 HDD with Up to ________ Platters product. This fee
agreement will include a license grant to permit WDC to use such drawings and
specifications in the appropriate successor WDC Phase 2 HDD with Up to ________
Platters product(s). This license will be subject to WDC's payment of fees and
IBM's rights of termination under Section 19.0. The parties acknowledge that
there will be certain agreed upon WDC specifications and drawings which do not
include Core IBM Technology for certain designated mechanical components for
successor WDC Phase 2 HDD with Up to ________ Platters products that will not be
subject to a fee.

9.4     INTEREST

Either party may charge the other party interest on any overdue payment required
to be paid under this Agreement. If either party decides to charge interest,
interest will accrue on the date a payment becomes due. The interest rate shall
be an annual rate equal to ________________________. If this rate exceeds the
maximum legal rate where a claim for interest is being asserted, it will be
reduced to the maximum legal rate.

9.5     TAXES

Each party shall pay all taxes, including, without limitation, sales and value
added taxes, imposed by the national government, including any political
subdivision thereof, of any country in which said party is doing business, as
the result of said party's furnishing consideration under this Agreement.


10.0    AUDIT

10.1 WDC will maintain relevant records to support all payments made to IBM
under, and to show its compliance with, the terms of this Agreement. Such
records will be retained in accordance with WDC's normal record retention
policies; however, for payments made to IBM, records supporting such payments
will be maintained by WDC for a minimum period of _______ (____) years from the
date of payment to IBM.

10.2 Upon request from IBM, WDC will provide written assurances pertaining to
WDC's performance of its obligations under this Agreement that are reasonably
satisfactory to IBM. Upon request, WDC will make available to IBM documents and
other information (but excluding documents containing WDC Confidential
Information that have not been previously provided by WDC to IBM), that are
reasonably necessary to verify WDC's compliance with the terms of this
Agreement.

                                       26


<PAGE>   32

10.3 IBM may also request that an audit be performed of certain specified
provisions of the Agreement by an independent auditor. If IBM elects to have
such an audit performed, WDC will make available financial, technical and other
information and records to such independent auditor. The independent auditor
selected shall be selected and compensated by IBM. Prior to beginning such
audit, the independent auditor will enter into an agreement with WDC to maintain
in confidence WDC's Confidential Information. WDC shall cooperate with the
independent auditor in responding to requests for WDC information and records.
The independent auditor will promptly conduct and issue an audit report to WDC
and IBM. If the independent auditor determines that WDC has failed to comply
with any of the terms of this Agreement being audited, such independent auditor
shall only disclose to IBM and WDC the results of the audit without revealing
WDC's Confidential Information. If the independent auditor determines that WDC
owes any monies to IBM under this Agreement, such auditor shall only disclose in
its audit report to IBM and WDC the (i) amounts that are due, but have not been
paid, by WDC to IBM under this Agreement, together with any interest due
thereon; and (ii) a calculation as to how such amounts were actually determined,
if applicable.

10.4 If an audit discloses that WDC has underpaid IBM any amount due under the
Agreement, WDC shall promptly pay to IBM the amount of such underpayment,
including any interest due thereon. If the results of an audit reveal that WDC
has underpaid fees to IBM by an amount that exceeds the cost of the audit, then
WDC shall promptly reimburse IBM for all expenses that it has incurred in
connection with the audit. WDC shall promptly pay to IBM all amounts that are
due and owing.

10.5 If WDC implements any Core IBM Technology into a WDC 3.5" form factor, HDD
product that implements an AT/IDE Interface, a rebuttable presumption shall
arise in IBM's favor that each such HDD product sold or leased by WDC has been
developed, manufactured or qualified based, in whole or in part, on IBM
Technology or IBM Technical Information provided under this Agreement. In order
to overcome this rebuttable presumption, WDC shall prove to IBM's reasonable
satisfaction that each such HDD product has not been developed or manufactured
based, in whole or in part, on such IBM Technology or IBM Technical Information.
Upon IBM's request, WDC will promptly provide information to IBM to rebut this
presumption. IBM agrees that any such information shall constitute WDC
Confidential Information and be treated in accordance with Section 16.0.

11.0    COPYRIGHTS

11.1    LICENSE TERMS

11.1.1 Subject to WDC's payment to IBM of the license fees in accordance with
the terms of this Agreement and IBM's right to terminate this Agreement,
Contract or license, IBM grants to WDC a non-exclusive copyright license to
reproduce and use internally up to ________ (___) copies of IBM documents
containing IBM Technology or IBM Technical Information for [Product A] and
[Product B] (and successor desktop Products in Phase 1 if WDC elects in writing
to obtain IBM Technology for them) that IBM provides to WDC under this
Agreement. WDC shall maintain a log and track all copies of IBM documents
containing IBM Technology or IBM Technical Information which are made and
distributed by WDC. This log shall be subject to audit by IBM or its designee.

11.1.2 IBM shall provide to WDC a ________ in ________ Code form of the
Manufacturing Software, Software Tools and Microcode for [Product A] and
[Product B] as described in Attachment C. Although IBM will use reasonable
efforts in attempting to provide the Manufacturing Software, Software Tools


                                       27


<PAGE>   33

and Microcode to WDC, IBM may be unable to provide certain selected items.
Accordingly, notwithstanding anything to the contrary, provided that IBM has
exerted reasonable efforts to provide the items of Manufacturing Software,
Software Tools and Microcode contained in Attachment C, the failure by IBM to
provide any such items to WDC shall not constitute a breach of this Agreement or
entitle either party to any damages.

11.1.3 Subject to WDC's payment to IBM of the license fees in accordance with
the terms of this Agreement and IBM's right to terminate this Agreement,
Contract or license, IBM grants to WDC a non-exclusive copyright license to use,
execute, reproduce (solely for backup purposes), display and perform (all
internally to WDC) the Manufacturing Software, but excluding the LSSS System
Software which is subject to Section 11.1.6, for [Product A] and [Product B]
only at the WDC locations described in Section 11.3.2, and solely to assemble
[Product A] and [Product B] (and successor desktop Products in Phase 1 if WDC
elects in writing to obtain IBM Technology for them).

11.1.4 Subject to WDC's payment to IBM of the license fees in accordance with
the terms of this Agreement and IBM's right to terminate this Agreement,
Contract or license, IBM grants to WDC a non-exclusive copyright license to use,
execute, reproduce (solely for backup purposes only), display and perform (all
internally to WDC) Software Tools that IBM provides to WDC only at the WDC
locations described in Section 11.3.2, and solely to permit WDC to prepare
modifications to the Microcode for [Product A] and [Product B] for customer
qualification and support of [Product A] and [Product B] (and successor desktop
HDD products in Phase 1 if WDC elects in writing to obtain IBM Technology for
them).

11.1.5 Subject to WDC's payment to IBM of the license fees in accordance with
the terms of this Agreement and IBM's right to terminate this Agreement,
Contract or license, IBM grants to WDC a non-exclusive copyright license to: (i)
use, execute, reproduce, display and perform (all internally to WDC) the
________ Code form of the Microcode for [Product A] and [Product B] as described
in Attachment C, solely for the purpose of manufacturing desktop Products; and
(ii) distribute externally the ________ Code form of the Microcode as embedded
into [Product A] and [Product B] in conjunction with the sale, lease or other
distribution of [Product A] and [Product B].

11.1.6 Subject to WDC's payment to IBM of the license fees in accordance with
the terms of this Agreement and IBM's right to terminate this Agreement,
Contract or license, IBM grants to WDC a non-exclusive copyright license to use,
execute, reproduce (solely for backup purposes), display and perform (all
internally to WDC) the LSSS System Software in ________ Code and ________ Code
form that IBM provides to WDC only at the WDC locations described in Section
11.3.2, and solely for the purpose of manufacturing desktop Products.

11.1.7 WDC agrees not to reverse assemble, decompile, decode or reverse
translate the ________ Code for any Manufacturing Software, Software Tools and
Microcode that IBM provides to WDC.

11.2    WDC MODIFICATIONS AND LICENSES

11.2.1 Subject to WDC's payment to IBM of the license fees in accordance with
the terms of this Agreement and IBM's right to terminate this Agreement,
Contract or license, IBM grants to WDC a non-exclusive copyright license to use,
execute, reproduce, display and perform (all internally to WDC) certain
IBM-designated sections of [Product A] and [Product B] Microcode in ________
Code form only at the WDC locations described in Section 11.3.2, and solely to
allow WDC to prepare modifications to such Microcode that are necessary for
customer qualification and support for [Product A] and [Product B] (and
successor desktop Products in Phase 1 if WDC elects in writing to obtain IBM
Technology for them).


                                       28


<PAGE>   34

11.2.2 WDC will provide to IBM modifications to the Microcode that WDC creates
for IBM's prompt review. For modifications made by WDC to the Microcode, WDC
grants to IBM and its Subsidiaries an irrevocable, non-exclusive, worldwide
paid-up right and license to use, execute, reproduce, display, perform,
distribute, transfer, sublicense, make and have made, prepare and have prepared,
Derivative Works of such modifications. WDC grants to IBM and its Subsidiaries
the right to authorize others to do any of the above.

11.3   RESTRICTIONS

11.3.1 WDC will not remove any IBM proprietary or copyright notices from
documents containing IBM Technology or IBM Technical Information, Manufacturing
Software, Software Tools and Microcode. IBM retains all right, title, interest
and ownership in such documents, Manufacturing Software, Software Tools and
Microcode. Except as is expressly provided in this Contract, WDC shall obtain no
rights to either create or have created any derivative works of such documents,
Manufacturing Software, Software Tools and Microcode without first obtaining the
prior written approval from IBM.

11.3.2  [Deleted]

11.3.3 The copyright licenses granted by IBM to WDC under Section 11.0 do not
provide WDC with any license or other right, directly or by implication,
estoppel or otherwise, to use any other copyrights, trademarks, patents or other
intellectual property rights of IBM.

11.3.4 The documents that contain IBM Technology or IBM Technical Information,
Manufacturing Software, Software Tools and Microcode which are provided to WDC
under this Agreement are IBM Confidential. WDC shall treat these items in
accordance with the terms of Section 16.0, Confidential Information. Upon the
termination or natural expiration of this Agreement, Contract or license, all of
the copyright licenses granted by IBM under this Agreement shall terminate, and
WDC shall return all copies of the documents containing IBM Technology or IBM
Technical Information, Manufacturing Software, Software Tools and Microcode to
IBM within thirty (30) days after such termination or natural expiration.

11.4 SUBLICENSING RIGHTS

All of the copyright licenses granted by IBM to WDC are non-transferable and
personal to WDC, except that (i) IBM's Subsidiaries shall have the right to
exercise, and to have third parties who perform the assembly of HGAs and other
components into HSAs delivered to WDC or its Subsidiaries exercise, such
licenses granted by IBM to WDC under this Agreement without the payment of any
fees, and (ii) WDC's Subsidiaries shall have the right to exercise such licenses
granted by IBM to WDC under this Agreement, and (iii) the transferability and
WDC's personal use of such licenses are subject to the provisions of Section
17.0, Change of Control.

11.5   WORK PRODUCT

11.5.1 Each party shall own Work Product created solely by its employees and
consultants. The parties shall jointly own Work Product that is jointly created
by their employees or consultants. Creation of Joint Work Product and resulting
joint ownership shall not affect ownership of copyrights for pre-existing


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<PAGE>   35

materials that are included in the Joint Work Product. Subject to the
obligations of confidentiality in Section 16.0 that apply to any Confidential
Information included in any Joint Work Product, each party shall have the
unrestricted right to grant licenses under copyright in the Joint Work Product
(including the right for any licensee to grant sublicenses) to third parties
without accounting to the other party, and each party hereby consents to the
grant of any such copyright licenses to third parties to the extent such consent
is required by the laws of any country in which such licenses are granted.

11.5.2 Each party shall have the right to obtain and to hold in the joint
owners' name copyrights, registrations and such other statutory and common law
protection as may be available, and any extensions and renewals thereof, in the
Joint Work Product in which it has ownership. Each party agrees to give the
other party, and any person designated by the other party, at such other party's
expense, all assistance reasonably required to perfect the rights defined in
this Section.

11.5.3 To the extent that any pre-existing materials, other than modifications
to the Microcode, of WDC are contained in the Work Product created by WDC
(including Joint Work Product), WDC grants to IBM and its Subsidiaries an
irrevocable, nonexclusive, worldwide, paid-up right and license under copyright
to use, execute, reproduce, display, perform, distribute, transfer, sublicense,
make and have made, prepare and have prepared, Derivative Works of, such
pre-existing materials. WDC also grants to IBM and its Subsidiaries the right to
authorize others to do any, some or all of the foregoing.

11.5.4 The notice of copyright shall reflect the respective ownership of
materials. The provisions of Section 11.5 shall survive the expiration or
termination of this Agreement or Contract.

12.0    TECHNOLOGY AND COPYRIGHT INDEMNITY

If a third party claims that the IBM Technology or IBM Technical Information,
Software Tools, Manufacturing Software or Microcode that IBM provides under this
Contract infringes a trade secret of a third party, or that such IBM Technology
or IBM Technical Information, Software Tools, Manufacturing Software or
Microcode that IBM provides under this Contract infringes a copyright of a third
party, IBM shall defend WDC against such claim at IBM's expense and pay costs,
damages, and attorney's fees a court finally awards, provided that WDC:

        (a) promptly notifies IBM in writing of the claim; and

        (b) allows IBM sole control of, and cooperates with IBM in, the defense
            and any related settlement negotiations.

In addition, if such a claim is made or appears likely to be made, WDC will
permit IBM, at IBM's discretion, either to enable WDC to continue to use that
portion of the IBM Technology or IBM Technical Information, Software Tools,
Manufacturing Software or Microcode that is the subject of the claim (by
obtaining a license or otherwise) or to modify or replace that portion of the
IBM Technology or IBM Technical Information, Software Tools, Manufacturing
Software or Microcode that is the subject of the claim, without such
infringement.

Notwithstanding anything to the contrary, IBM shall have no liability and shall
not indemnify WDC for such claim if the claim is based on:


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<PAGE>   36
        (a) any modification of IBM Technology or IBM Technical Information,
            Software Tools, Manufacturing Software or Microcode by WDC;

        (b) the combination, operation, or use of IBM Technology or IBM
            Technical Information Software Tools, Manufacturing Software or
            Microcode with other information, product, data, or apparatus not
            provided by IBM, if such infringement is caused by such combination;

        (c) the use of IBM Technology, IBM Technical Information, Software
            Tools, Manufacturing Software or Microcode by WDC in other than its
            specified operating environment; or

        (d) infringement by non-IBM technology, non-IBM technical information
            non-IBM software tools, non-IBM manufacturing software or non-IBM
            microcode alone.

IBM's aggregate liability under this Section shall not exceed ____________ IBM
provides no indemnities under this Section to WDC with respect to any third
party claims of patent infringement.

13.0    NOTICE OF ADDITIONAL LICENSES

13.1 Nothing in this Agreement shall prevent, without the use of the
Intellectual Property of the other party, either party from developing or
manufacturing and, except for WDC's obligation to integrate IBM Components into
WDC's HDDs, from marketing, selling or otherwise distributing, the items sold or
described in the specifications or drawings licensed under this Agreement, or
items similar to or competitive with those items.

13.2    [Deleted]

13.3    [Deleted]

13.4    [Deleted]

13.5    [Deleted]

13.6 Notwithstanding anything to the contrary, IBM will be relieved of all of
its obligations under this Section 13.0, Notice of Additional Licenses, and
Attachment A, for the HSA Technology Package for [Product A] if WDC has failed
to commence PQ1 for [Product A] within _________ after IBM's SONP date for
[Product A], provided, however, that WDC's failure to commence PQ1 does not
arise primarily from IBM's inability to deliver in all material respects the HSA
Technology Package for [Product A] to WDC in accordance with a mutually agreed
upon Schedule. WDC shall bear the burden of proof under this provision.

13.7 Notwithstanding anything to the contrary, IBM will be relieved of all of
its obligations under this Section 13.0, Notice of Additional Licenses, and
Attachment A to this Agreement, for the HSA Technology Package for [Product B]
if WDC has failed to commence PQ1 for [Product B] within _______ after IBM's
SONP date for [Product B], provided, however, that WDC's failure to commence PQ1
does not arise primarily from IBM's inability to deliver in all material
respects the HSA Technology Package for [Product B] to WD in accordance with a
mutually agreed upon Schedule. WDC shall bear the burden of proof under this
provision.


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<PAGE>   37
14.0    THIRD PARTY PATENTS

14.1 The parties recognize that each of them has patent license arrangements
with third parties and that it is the individual responsibility of WDC to secure
any rights under the patents of third parties or any other intellectual property
rights which may be needed to enable WDC to make, have made, market and
otherwise distribute the desktop Products that are covered under this Agreement.
WDC acknowledges that it is WDC's responsibility to obtain any necessary third
party rights, and that no license or other right is extended by IBM to WDC under
any such third party patents.

14.2 If WDC is unable to obtain any necessary third party rights that are needed
by WDC to manufacture and market the desktop Products that are covered under
this Agreement, WDC will notify IBM to determine if WDC may be able to avoid
infringement by procuring components directly from IBM. In the event of such
infringement, both parties will work together in good faith to enable WDC to
continue to manufacture and market desktop Products that are covered under this
Agreement.

14.3 IBM makes no representations or warranties, express or implied, with
respect to the infringement of any patents or other rights of third parties,
including but not limited to any infringement which may arise out of or result
from the manufacture and sale by WDC of desktop Products, the use of any of the
IBM Technology or IBM Technical Information, the operation by WDC under any of
the licenses granted in this Agreement, or the use by WDC of any improvement
that is disclosed by IBM. In addition, except as otherwise provided in Section
12.0 and except for any patent indemnity provisions for IBM Components that are
expressly set forth in the OEM Agreement and Attachment H, IBM assumes no
liability under this Agreement with respect to any infringement by WDC of any
patents or other rights of any third parties.

15.0    INVENTIONS

15.1 Each Invention, other than a Joint Invention, shall be the Inventing
Party's property. The Inventing Party shall have complete discretion in seeking
and/or maintaining any patent or other protection and shall bear any and all
expenses incurred with respect thereto.

15.2 Joint Inventions shall be jointly owned, title to all patents issued
thereon shall be joint and equal, all expenses incurred in obtaining and
maintaining such patents shall be jointly and equally shared (except as provided
hereinafter), and each party shall have the unrestricted right to grant licenses
(including the right for any licensees to grant sublicenses) to a third party
thereunder without accounting to the other party and with any necessary consent
hereby given by the other party as may be required by any country law in
granting such licenses to a third party.

With respect to any Joint Inventions, where one party elects not to seek or
maintain such protection thereon in any particular country or not to share
equally in the expenses thereof, the other party shall have the right to seek or
maintain such protection at its own expense and shall have full control over the
prosecution and maintenance thereof even though title to any patent issuing
thereon shall be joint.


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<PAGE>   38

15.3 In connection with the obtaining of patent protection for a Joint
Invention, each party agrees to give the other party all reasonable assistance
in connection with the preparation and prosecution of any patent application
filed by the other party and shall cause to be executed all assignments and
other instruments and documents as may be reasonably necessary or appropriate to
carry out the intent of this section.

15.4 Nothing in this Agreement shall be deemed to grant, either directly or by
implication, estoppel or otherwise, any license under any patents or patent
applications of either party. The licensing of patents and patent applications
is covered under a separate patent cross license agreement between the parties.

16.0    CONFIDENTIAL INFORMATION

16.1 Subject to Section 16.3 and the other provisions of this Section 16.0, IBM
and WDC, and their Subsidiaries, may deliver or exchange information to
accomplish the objectives of this Agreement. Either party, including its
Subsidiaries, may disclose information in oral or written form. Such information
may include data, techniques, technical information inherent in samples,
know-how, equipment specifications, equipment performance, or other information
("Confidential Information"). The terms of this Agreement are considered to be
Confidential Information to IBM and WDC.

16.2 All disclosures of information shall be deemed to be non-confidential
unless specifically designated, as provided for in Section 16.3, as including
IBM or WDC Confidential Information, as the case may be.

With respect to all information disclosed by one party, including its
Subsidiaries (the "Disclosing Party"), to the other party, including its
Subsidiaries (the "Receiving Party"), except for such information as is
specifically designated as the Confidential Information of the Disclosing Party,
the Disclosing Party grants to the Receiving Party, to the extent, if any, of
the Disclosing Party's interest therein, an irrevocable, nonexclusive,
unrestricted, and worldwide right to use, have used, disclose to others, and to
dispose of, all without limitation, such non-confidential information in the
development, manufacturing, marketing and maintenance of products and services
that incorporate such information, subject to any applicable patent rights,
copyrights and other intellectual property rights that are capable of being
registered, of the Disclosing Party.

16.3 Except for the disclosure or delivery to WDC or its Subsidiaries of IBM
Intellectual Property, which IBM Intellectual Property, except for published
patents, shall in every circumstance be deemed IBM Confidential Information
under this Agreement, and except as specifically provided in other Sections of
this Agreement, information to be disclosed under this Agreement shall be
considered confidential only in the following circumstances:

        (a) When such information is disclosed in a writing, the writing must
            contain an appropriate legend, such as "IBM Confidential" or "WDC
            Confidential," or other similar language that clearly denotes that
            it is confidential information of the Disclosing Party.

        (b) When such disclosure is made orally:

            (i)    it is confirmed in writing;


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<PAGE>   39
            (ii) the confirmation is physically or electronically sent to the
                 Receiving Party within thirty (30) days following the
                 disclosure; and

            (iii) the confirmation specifically describes the information that
                  is confidential.

16.4 With respect to Confidential Information of IBM or its Subsidiaries which
is disclosed to WDC or its Subsidiaries, and subject to other provisions
contained in this Section 16.0, such Confidential Information shall be subject
to an obligation of confidentiality for a period of _______ after the final
disclosure date or __________ after the date of expiration or termination of
this Agreement or Contract, whichever occurs first. Notwithstanding anything to
the contrary, with respect to any ________ Code provided by IBM or its
Subsidiaries to WDC or its Subsidiaries, such ________ Code shall be subject to
an obligation of confidentiality until IBM or its Subsidiaries makes such
________ Code publicly available without an obligation of confidence. WDC agrees
to use the same care and discretion to avoid disclosure, publication or
dissemination of IBM's Confidential Information outside of those employees who
have a need to know, as WDC employs with similar information of its own that it
does not desire to disclose, publish or disseminate outside the group of its own
employees who have such a need to know.

With respect to Confidential Information of WDC or its Subsidiaries which is
disclosed to IBM, and subject to other provisions contained in this Section,
for a period of ________ after disclosure or _________ after the date of the
expiration or termination of this Agreement or Contract, whichever occurs first,
IBM agrees to use the same care and discretion to avoid disclosure, publication
or dissemination of WDC's Confidential Information outside of those employees
who have a need to know in order to perform activities permitted by this
Agreement, as IBM employs with similar information of its own that it does not
desire to disclose, publish or disseminate outside the of a group of its own
employees who have such a need to know.

Except as is otherwise provided in Section 6.0, and except for IBM Confidential
Information provided as IBM Intellectual Property or contained in such IBM
Intellectual Property, and except for any ideas, know-how, concepts or
techniques contained in such IBM Technology and IBM Technical Information, which
are subject to other provisions contained in this Agreement, the Receiving Party
shall be free to use any such Confidential Information provided by the
Disclosing Party or contained in any reports and written documentation prepared
by the Disclosing Party, and any ideas, know-how, concepts or techniques
contained in any such Confidential Information for any purpose, including the
use of such Confidential Information in the development, manufacture, marketing
and maintenance of its products and services, subject only to the obligations
not to disclose, publish or disseminate such Confidential Information during the
period of confidentiality specified in this Section 16.0.

Except as is otherwise provided in Section 22.5, receipt of Confidential
Information under this Agreement shall not create any obligation in any way
limiting or restricting the assignment or reassignment of IBM employees within
IBM and its Subsidiaries, and WDC employees within WDC and its Subsidiaries.

Subject to the provisions of Section 11.0, the Receiving Party may make a
reasonable number of copies of written documentation containing Confidential
Information solely for the purposes authorized by this Agreement, but must keep
track of each copy. At either party's request, and at expiration or termination
of this Agreement, Contract or licenses, the other party shall return any
Confidential Information that exists in tangible form that was disclosed by the
other party, except that either party may retain one (1)


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<PAGE>   40

copy of such Confidential Information which shall be kept in the Receiving
Party's legal department and used solely for archival purposes or for
maintenance of Phase 1 and Phase 2 desktop Products that are covered under this
Agreement. This provision shall not apply to jointly created material or to any
written material that is subject to the copyright licenses granted in this
Agreement.

Following the period of confidentiality specified in this Section 16.0 and
subject to any applicable patent rights, copyrights, restrictions on ________
Code or license provisions of the Disclosing Party, (i) no obligation of any
kind is assumed by, or is to be implied against, the Receiving Party with
respect to any Confidential Information, and (ii) the Receiving Party shall be
free to disclose, publish and disseminate such Confidential Information to
others without limitation and shall have all the rights relative to such
Confidential Information as are set forth in this Section as if it had been
transferred as non-confidential information.

16.5 Disclosure of Confidential Information shall not be precluded under the
circumstances listed below. However, in the case of disclosure by the Receiving
Party, that party shall first have given as much notice to the Disclosing Party
as practicable and made a reasonable effort to obtain a protective order
requiring that the Confidential Information or documents disclosed be used only
for the purposes for which the order was issued.

Subject to the above paragraph, disclosure of Confidential Information shall not
be precluded under this Agreement if such disclosure is:

        (a) required by law or is in response to a court order, provided that
            the party owning the Confidential Information is notified prior to
            the disclosure and has the opportunity to seek appropriate
            protective orders;

        (b) necessary to establish contract rights under this Agreement; or

        (c) necessary to establish patent rights, copyrights or other
            intellectual property rights that are capable of being registered.
            However, the party so disclosing may disclose only after receiving
            the written consent of the Disclosing Party. This consent shall not
            be unreasonably withheld or delayed.

16.6 Notwithstanding any other provisions of this Agreement, the obligations
specified in Section 16.4 above shall not apply to any information that:

        (a) is in the possession of the Receiving Party prior to the Effective
            Date of the Agreement without obligation of confidence;

        (b) is independently developed by the Receiving Party without breach of
            this Agreement;

        (c) is or becomes publicly available without breach of this Agreement,
            from the date of the public availability;

        (d) is rightfully received by the Receiving Party from a third party
            without obligation of confidence, from the date of receipt; or


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<PAGE>   41

        (e) is disclosed with the prior written consent of the Disclosing Party,
            but only to the extent expressly set forth in the written consent.

16.7 The distribution of products, including the customary and necessary
supporting documentation, that inherently discloses the Confidential Information
of either party, shall not in itself be considered a disclosure of Confidential
Information.

16.8 Except for IBM Technology and IBM Technical Information provided to WDC or
its Subsidiaries pursuant to Sections 4.0 and 5.0, which shall in every
circumstance be treated as IBM Confidential Information under this Agreement,
and any other pre-existing materials, which shall be treated as the Confidential
Information of the party supplying such pre-existing materials if they are
transferred as Confidential Information pursuant to this Section, all documents,
drawings, and blueprints in any medium that are created by WDC or its
Subsidiaries under this Agreement shall be treated as the Confidential
Information of both parties. Notwithstanding the foregoing, any information
relating to IBM Technology or IBM Technical Information that is contained in
WDC-prepared documents, drawings, and blueprints in any medium shall be
considered solely as IBM Confidential Information. Except as otherwise provided
in Sections 3.3.4 and 6.2.3, all such media shall be labeled with the legend
"IBM/WDC Confidential Information" and treated as the Confidential Information
of the other party in accordance with the provisions of this Section 16.0.

16.9 Notwithstanding any other provision in this Section 16.0, no copyright
license is granted in this Section by either party or its Subsidiaries to the
other with respect to:

        (a) any program code, Software Tools, Manufacturing Software or
            Microcode; or

        (b) any document or other media that may be included in the information
            delivered under this Agreement.

16.10 IBM Confidential Information and WDC Confidential Information that was
previously disclosed under the prior Agreement for the Exchange of Confidential
Information, signed by the parties on March 13, 1996, and supplements SJ-004 and
SJ-005 shall be treated as having been disclosed under this Section 16.0 as the
Confidential Information of the Disclosing Party.

The provisions of this Section 16.0 shall supersede and replace, in all
respects, the provisions and restrictions contained in any prior confidential
disclosure agreements between WDC and IBM related to the subject-matter of this
Agreement, and those prior confidential disclosure agreements shall have no
further application to such activities and matters related to the subject-matter
of this Agreement.

All of the provisions of this Section 16.0 and the obligation of nondisclosure
with respect to Confidential Information, shall survive expiration, termination,
or cancellation of this Agreement and remain in effect and binding on the
parties until the confidentiality period specified in this Section has expired.

16.11 Notwithstanding the provisions of this Section 16.0, with respect to each
successor desktop HDD program beyond [Product B] that WDC wishes to commit to
buy IBM Components, and receive IBM Technology and Technical Assistance, from
IBM, a due diligence review may be conducted by WDC under the terms of the prior
Agreement for Exchange of Confidential Information dated March 13, 1996
("AECI"), and supplement number SJ-005 dated March 6, 1998, as revised, except
that the Initial Disclosure Date and Final Disclosure Date for supplement number
SJ-005 shall be adjusted to coincide

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<PAGE>   42

with the period of the due diligence review. If, after performing a due
diligence review for a successive desktop HDD program beyond [Product B], WDC
elects in writing to continue to buy IBM Components and receive IBM Technology
and Technical Assistance from IBM, any IBM Confidential Information received by
WDC during such review will become subject to the other terms of this Section
16.0, which sections shall supersede and replace, in all respects, the
provisions and restrictions contained in the AECI and supplement number SJ-005
with respect to IBM Confidential Information disclosed during the due diligence
review.

16.12 To prevent the unauthorized disclosure of IBM Confidential Information,
WDC and its Subsidiaries shall secure all tangible materials, documents, items
of work in process and work products that embody IBM Confidential Information in
locked files or areas providing restricted access.

16.13 WDC and its Subsidiaries shall maintain a log, which is subject to IBM's
review, and tracks the access by its employees to each copy of IBM's
specifications, drawings or other tangible materials that contain IBM
Confidential Information. WDC and its Subsidiaries shall also limit access to
terminals, computers and programs that have access to IBM Confidential
Information only to those employees who have a strict need to know under this
Agreement.

16.14 WDC and its Subsidiaries shall maintain adequate written procedures, and
communicate such procedures to its employees, to prevent the loss of IBM
Confidential Information. In the event of any such loss, WDC shall promptly
notify IBM in writing of such loss.

17.0    CHANGE OF CONTROL

17.1 Upon a Change of Control, the party that is not the subject of a Change of
Control may elect to terminate this Agreement or Contract by giving ___________
days written notice (the "Termination Notice") at any time within
_______________ of the effective date of such Change of Control; provided,
however, that in no event shall the effective date of such termination (at the
end of such _______-____ period) be prior to the effective date of the Change of
Control; and provided further, that if the acquirer in the Change of Control is
prevented by law from discussing this Agreement or Contract with the party that
is not the subject of the Change of Control prior to the effective date of the
Change of Control, then the effective date of such termination (at the end of
such ________-day period) shall not be prior to ___________ days after the
effective date of the Change of Control and, if the subject of the Change of
Control is WDC, IBM shall not be obligated to provide any IBM Technology, IBM
Technical Information and Technical Assistance to the acquirer after the
effective date of the Change of Control.

17.2 In the event of a Change of Control of WDC involving a party that is not a
Subject Acquirer, this Agreement shall continue in effect subject, however, to
(i) the elimination of Section 13.0, Notice of Additional Licenses, and (ii)
with appropriate modifications made to Section 21.0, Administrative Provisions,
for programs to which WDC has undertaken under this Agreement and with respect
to any additional WDC programs if WDC notifies IBM of its desire to amend this
Agreement for such additional programs either (i) __________ days prior to the
effective date of the Change of Control, or (ii) prior to the date of the
Termination Notice, whichever is later, provided WDC and IBM agree to all the
terms and conditions of such programs and all fees due under this Agreement were
paid prior to the effective date of the Change of Control, or prior to the date
of the Termination Notice, and the Acquiring Party agrees in writing with IBM
that it will comply with all of the provisions of this Agreement.


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<PAGE>   43

17.3 In the event of termination as a result of a Change of Control of WDC
involving a Subject Acquirer, the Acquiring Party may continue manufacturing
desktop Products for which a Supplement has been added or incorporated into this
Agreement, provided that all fees due under this Agreement were paid prior to
the date of the Notice of Termination, and provided that the Acquiring Party
agrees in writing with IBM to comply with all the terms and conditions of this
Agreement.

17.4 In the event of a termination pursuant to Section 17.3, the acquiring party
shall (i) segregate all IBM Confidential Information, including IBM Technology
and IBM Technical Information, provided by IBM to prevent disclosure to
employees who are not producing desktop Products subject to this Agreement, (ii)
return all IBM Confidential Information, including IBM Technology and IBM
Technical Information, provided by IBM for which a Supplement has not been added
to this Agreement, or which is not required to continue production of desktop
Products as permitted by Section 17.3; and (iii) comply with any additional
security provisions that may be reasonably required by IBM in the event of such
Change of Control.

17.5 Notwithstanding the above, the OEM Agreement and Attachment H shall
continue in full force and effect in accordance with their respective terms, if
a Change of Control occurs.


18.0 MATERIAL BREACH

A material breach shall include, but not be limited to:

        (a) the failure by either party to make a required payment (including
            any interest on a required payment) that is due under this
            Agreement;

        (b) the improper use or disclosure in any material respect of:

            (i)  any IBM Intellectual Property, provided that, among other
                 things, any use of IBM Intellectual Property beyond the scope
                 or otherwise in violation of the licenses granted, or any use
                 with non-IBM HSAs, shall be considered to be "improper use or
                 disclosure in any material respect," or

            (ii) any copyrighted items in a manner not permitted in this
                 Agreement; and

        (c) the failure by WDC or its Subsidiaries to comply with the terms of
            Section 22.5 of this Agreement that pertain to assignment, transfer
            or reassignment of WDC's employees;

which in each case shall be subject to applicable cure periods for any
termination of this Agreement or Contract for cause under Section 19.2 or of any
licenses under Section 19.3.

A material breach shall also include any party's breach of any other material
term of this Agreement.


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<PAGE>   44

19.0    TERM AND TERMINATION

19.1    TERM

Except as otherwise provided in Section 23.0, Execution, this Agreement shall be
effective as of the date of the signature of the last party to execute this
Agreement (the "Effective Date") and, unless sooner terminated as hereinafter
provided, shall remain in effect for a period of time beginning on the Effective
Date and ending on ____________________________________, or for a period of
__________ years from the Effective Date, whichever is later (the "Initial
Term"). Following the Initial Term, this Agreement may be extended through the
Product End of Life for desktop Products that are successors to [Product B], if
an amendment to this Agreement is executed by authorized representatives of IBM
and WDC to add a new Supplement for such desktop Products. The "Initial Term"
and any extended period shall be referred to in this Agreement as the "Term."

19.2    TERMINATION OF AGREEMENT

19.2.1 The parties may agree to mutually terminate this Agreement or Contract by
written amendment as provided in Section 22.17.

19.2.2 A party may terminate this Agreement or Contract for cause in the event
of a material breach by the other party of this Agreement as described in
Section 18.0.

19.2.3 Either party may terminate this Agreement or Contract for cause if an
Action in Bankruptcy occurs with respect to the other party.

19.2.4 Termination of this Agreement or Contract under Section 19.2.2 shall
become effective sixty (60) days after written notice of the termination, unless
the breaching party cures the default prior to the effective date of the written
notice of termination. Such termination shall not be delayed or postponed as the
result of any election made by either party to invoke the dispute resolution
process pursuant to Section 20.0.

19.2.5 Except as otherwise provided in Section 6.3 (Residuals), all of the
licenses to IBM Technology, IBM Technical Information and copyrights, that IBM
grants to WDC, and related sublicenses that WDC grants to its Subsidiaries under
this Agreement, shall terminate on the effective date of the expiration or
termination of this Agreement or Contract and shall not survive such expiration
or termination.

19.2.6 In the event of termination of this Agreement or Contract pursuant to
this Section 19.0, Section 17.0 (Change of Control) or Section 22.13
(Severability), all amounts due and owing to the terminating party shall become
immediately due and payable to it.

19.3    TERMINATION OF LICENSES

19.3.1 In addition to any other rights or remedies provided in this Agreement,
IBM shall have the right to terminate all licenses that are granted to WDC, and
sublicenses that WDC grants to its Subsidiaries, under this Agreement for any or
all Intellectual Property if WDC or its Subsidiaries commits a material breach
of this Agreement as provided in Section 18.0 and does not cure such failure,
improper use or disclosure, or other material breach within sixty (60) days
after its receipt of written notice from IBM to WDC specifying the nature of
such material breach. In the event that any such material breach is not cured
within sixty (60) days after receipt of written notice from IBM, unless
otherwise specified in writing by IBM, all of the licenses to IBM Technology and
IBM Technical Information and copyrights that IBM grants to WDC, and sublicenses
that WDC grants to its Subsidiaries under this Agreement shall terminate at the
end of such sixty (60) day period. In addition, notwithstanding anything to the
contrary in this Agreement, IBM will be relieved of all of its obligations under
Section 13.0, Notice of Additional Licenses, and Attachment A, on the effective
date of the termination of such licenses.


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<PAGE>   45

19.4     EQUITABLE RELIEF

WDC acknowledges that the IBM Intellectual Property it receives and which is
licensed by IBM to WDC is the highly valuable property of IBM, the unauthorized
disclosure or use of which would cause IBM irreparable harm and damage that
cannot be adequately compensated by monetary relief alone. Accordingly, in
addition to other rights and remedies available to IBM, WDC agrees that IBM
shall be entitled to equitable relief, including but not limited to injunctive
relief in the event of a breach of its Intellectual Property rights or the
unauthorized disclosure or use by WDC or its Subsidiaries of IBM's Confidential
Information, to prevent WDC and its Subsidiaries from making any unauthorized
dissemination of such IBM Confidential Information or from using any
Intellectual Property in violation of the terms of this Agreement.

20.0    DISPUTE RESOLUTION

The parties will attempt in good faith to promptly resolve any controversy or
claim arising out of or relating to this Agreement by negotiations between the
parties. If a controversy or claim should arise, the administrators of this
Agreement or their respective successors, or their superiors, will meet in
person or phone, as they decide, at least once and will attempt to resolve the
matter. Either Managing Coordinator of this Agreement may require the other to
meet within seven (7) days at a mutually agreed upon time and location.

If a matter has not been resolved within ten (10) days of their first meeting,
or a request for such meeting if no meeting occurs, the Managing Coordinators of
this Agreement will refer the matter to Senior Executives of the parties, who
shall have authority to settle the dispute. The Managing Coordinators of this
Agreement may prepare and exchange memoranda stating the issue(s) in dispute and
their positions, while summarizing the negotiations which have taken place
between the parties and attaching relevant documents, if appropriate. The Senior
Executives of the parties will either meet in person or discuss the matter by
telephone at a mutually agreed upon time and/or location.

If a dispute that does not involve or relate to WDC's use or disclosure of IBM
Technology or IBM Technical Information has not been resolved within fifteen
(15) days of the first meeting or discussion by the Senior Executives or fifteen
(15) days from the first request for such a meeting or discussion if no meeting
or discussion has occurred, then upon the request of either party within three
(3) days after such period, the parties will attempt to resolve such dispute by
submitting it to expedited mediation in accordance with the following paragraph
before the commencement of litigation.

If the parties cannot agree on a neutral mediator within three (3) days from
receipt of a request to mediate, either party can request the American
Arbitration Association appoint a neutral mediator with experience in the
computer industry. Each party agrees to cooperate fully with the mediator and
attempt to resolve the dispute. The proceedings of the mediator shall be
privileged as settlement discussions and shall not be admissible in any
subsequent litigation, and the proceedings and any suggestions or
recommendations by the mediator shall be non-binding. The mediator shall make no
records during the mediation and no report shall be issued. If the parties
cannot promptly resolve their differences to their mutual satisfaction within
fourteen (14) days of the request for mediation or after two (2) mediation
sessions, whichever occurs first, either party shall be free to pursue any and
all other remedies available to such party, including but not limited to,
litigation. Costs of the mediator will be born equally by the parties.

                                       40


<PAGE>   46

Under no circumstances shall either party attempt to use the process set forth
above for dispute resolution if the intended purpose of either party is
primarily to delay an action at law or in equity against the other party.
Notwithstanding anything to the contrary, nothing in the process set forth above
shall prevent: (i) either party from issuing notices or other required
communications prior to or during the dispute resolution process, (ii) IBM from
seeking immediate injunctive relief for a dispute that involves or relates to
WDC's use or disclosure of IBM Technology or IBM Technical Information, or (iii)
either party from terminating this Agreement. If IBM seeks immediate injunctive
relief, the parties may submit the matter involving IBM's request for injunctive
relief to expedited mediation in accordance with the immediately preceding
paragraph.

21.0    ADMINISTRATIVE PROVISIONS

21.1    MANAGING COORDINATORS

The Managing Coordinators for the parties are:

For IBM:                            For WDC:

- -------------                       -------------

Each party may change its Managing Coordinator, or designate a temporary acting
Managing Coordinator, at any time during the term of this Agreement by notifying
the Managing Coordinator for the other party in writing at the above address. No
formal amendment to this Agreement is necessary to make this change.

The Managing Coordinator is not authorized to amend, alter, or extend this
Agreement in any way. The Managing Coordinator or his designated alternate is
only authorized to:

        (a) submit and receive requests, proposals, and responses;

        (b) schedule and coordinate visits by personnel of each party to
            facilities of the other party, or its Subsidiaries, in connection
            with activities under this Agreement;

        (c) supervise and record the exchange of Confidential Information in
            accordance with Section 16.0;

        (d) monitor schedules and progress of this Agreement; and

        (e) supervise the delivery of IBM Technology and Technical Assistance
            between the parties.

21.2    PAYMENTS, NOTICES, AND OTHER COMMUNICATIONS

21.2.1 All payments under this Contract shall be made by electronic funds
transfer and shall be in U.S. dollars. Payments shall be deemed made on the date
of electronic funds transfer.


                                       41


<PAGE>   47

Payments to IBM by electronic transfer of the fees described in Sections 9.2,
9.3 and 9.4 of this Contract shall be sent to:

- -----------------

IBM may change the above bank account and payee at any time upon five (5) days'
written notice to WDC.

21.2.3 Except as otherwise provided for in this Contract, any notice or
communication to be made or given to a party under to this Agreement shall be
sent to that party by facsimile or by registered airmail, postage prepaid.
Registered or certified mail may also be used where delivery is in the same
country as mailing. Notices and communications shall be sent to the receiving
party's address listed below or to another address designated in writing by the
receiving party. Notices or other communications shall be deemed to have been
given on the date of receipt.

WDC shall mail notices of IBM Technology Fees and IBM Technology Fee reports for
the fees described in Sections 9.2, 9.3 and 9.4 of this Agreement to IBM at:

- -----------------

WDC shall mail all other notices and communications under this agreement to IBM
at:

- -----------------


WDC shall mail a copy of all such notices and communications to IBM at:

Office of Counsel
International Business Machines Corporation

- ---------------

IBM shall mail notices and communications to WDC at:

- --------------.
Vice President, Law & Administration

- ---------------

22.0    GENERAL

22.1    NO ASSIGNMENT OR SUBCONTRACT

This Agreement shall be binding on and inure to the benefit of the parties to
this Agreement, their Subsidiaries, and their respective successors and assigns.


                                       42


<PAGE>   48

Neither party may transfer, assign, delegate, license or sublicense this
Agreement nor any of the rights, licenses or duties under this Agreement,
including but not limited to any license rights obtained hereunder, without the
prior written approval of the other party, except that: either party may (i)
assign its rights to payments that will become due under the Agreement to a
Subsidiary or another party, (ii) assign this Agreement to a Subsidiary with the
prior written consent of the other party, which will not be unreasonably
withheld or delayed, and (iii) delegate its duties to a Subsidiary that it
reasonably believes will be capable of performing such party's duties under this
Agreement; and WDC may assign this Agreement pursuant to the provisions of
Section 17.0. Any assignment or delegation pursuant to this paragraph shall not
relieve either party of its obligations under this Agreement. Each party
guarantees the performance of its Subsidiaries under this Agreement, and any
claim against a Subsidiary may be brought against the parent. Any assignment or
delegation that is inconsistent with this Section is void and shall have no
effect.

Neither party may subcontract any work to be performed under this Agreement
without the prior written approval of the other party, which approval will not
be unreasonably withheld or delayed. However, if a party does subcontract with
the consent of the other party, the subcontracting party shall be solely
responsible for the performance of the subcontractor, and any such subcontractor
shall be bound and subject to all confidentiality and intellectual property
licensing provisions in this Agreement and shall agree to use any Confidential
Information and IBM Intellectual Property provided to it solely in a manner that
is consistent with WDC's licenses to IBM Intellectual Property. Subcontracting
work shall not relieve either party of its obligations under this Agreement.

22.2    PUBLICITY/TRADEMARKS

Neither party may disclose the terms of this Agreement in any publication or
marketing materials without the prior written consent of the other party. The
parties agree that any publicity regarding the subject matter of this Agreement
will be duly coordinated by and between the parties. Each party hereto agrees
not to disclose the terms and conditions of this Agreement other than to its
Subsidiaries, independent accountants or legal counsel except as may be required
by law or governmental regulation, without the express written consent of the
other party.

Nothing contained in this Agreement shall be construed as transferring any right
to use in advertising, publicity, or other promotional activities any name,
trade name, trademark, or other designation of either party to this Agreement
(including any contraction, abbreviation, or simulation of any of the
foregoing).

22.3    NON-EXCLUSIVE AGREEMENT

Subject to the notice provisions of Section 13.0, nothing in this Agreement
prevents either party from entering into similar agreements or discussions with
others, and nothing in this Agreement prevents either party from developing,
making, procuring, marketing and/or maintaining products, now or in the future,
which compete or incorporate features that may be competitive with the Products
included herein.

22.4    INDEPENDENT RELATIONSHIP OF THE PARTIES

Each party shall be responsible for its own employees. No employee of either
party shall be deemed an employee of the other party. Matters governing the
terms and conditions of the employment of any employee, such as supervision,
work schedules, wage rates, tax withholdings, and benefits, are exclusively the
responsibility of the employer of that employee.


                                       43

<PAGE>   49

Except as otherwise provided in this Agreement, each party shall bear its own
expenses incurred in connection with this Agreement, including those expenses
incurred prior to the Effective Date.

WDC is responsible for acquiring and paying for everything WDC uses to
manufacture Products, including without limitation all capital assets, tooling
and custom items needed to manufacture Products.

2.5     ASSIGNMENT, TRANSFER OR REASSIGNMENT OF EMPLOYEES

22.5.1  [Deleted]

22.5.2  [Deleted]

22.5.3  [Deleted]

22.5.4  [Deleted]

22.5.5  [Deleted]

22.5.6  [Deleted]

22.6    REPRESENTATIONS AND WARRANTIES

Other than as expressly provided in this Agreement, neither party makes any
representations or warranties nor assumes any liabilities in connection with
this Agreement.

ALL EQUIPMENT, SOFTWARE PROGRAMS, MATERIALS, SERVICES, TECHNOLOGY, OR
INFORMATION FURNISHED BY EITHER PARTY PURSUANT TO THIS AGREEMENT IS PROVIDED ON
AN "AS IS" BASIS, AND EACH PARTY DISCLAIMS ALL REPRESENTATIONS AND WARRANTIES,
EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF
MERCHANTABILITY, NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE. HOWEVER,
THIS PROVISION SHALL NOT APPLY TO ANY EXPRESS WARRANTIES MADE BY IBM UNDER THE
OEM AGREEMENT AND ATTACHMENT H WITH RESPECT TO IBM COMPONENTS PROVIDED TO WDC BY
IBM.

IBM makes no representation or warranty that WDC or its Subsidiaries will be
able to manufacture HDDs using IBM Intellectual Property. All specifications,
designs, road maps and other documents that IBM provides are subject to change
without any prior notice.

22.7    COMPLIANCE WITH LAWS AND REGULATIONS

Both parties and their Subsidiaries shall comply with all applicable United
States and foreign laws in performing their duties under this Agreement. This
includes without limitation all laws and regulations related to the export of
technical information and related products.


                                       44


<PAGE>   50

22.8    GOVERNING LAW, VENUE, AND JURY TRIAL WAIVER

This Agreement and any agreement incorporated into it shall be construed in
accordance with the substantive laws of the State of New York, and by the
copyright and patent laws of the United States of America. Venue for any action
arising out of this Agreement shall be solely in the U.S. District Court of the
Northern District of California. Both parties waive their right to a jury trial
in any action arising out of or related to this Agreement.

22.9    EXCLUSION OF CONSEQUENTIAL DAMAGES

Except for any violations or breaches of this Agreement pertaining to
Intellectual Property rights, neither party or its Subsidiaries shall be liable
for any consequential, incidental, special or punitive damages arising out of or
related to this Agreement, including lost revenue, profits, or savings, whether
the claim is for breach of contract, warranty or tort (including negligence),
failure of a remedy to accomplish its purpose, or otherwise, even if notified in
advance of the possibility of such damages. Neither party or its Subsidiaries
shall be liable for any third party claims against the other party for any
losses or damages, including without limitation loss of or damage to records or
data.

22.10   FORCE MAJEURE

A party to this Agreement shall be excused from the fulfillment of any
obligation under this Agreement for so long as such fulfillment shall be
hindered or prevented by any circumstances of force majeure such as, but not
limited to, acts of God, war, riot, strike, lockout, fire, flood, other natural
catastrophe, shortage of materials or transportation, national or local
government regulations, or any other circumstances outside of its control.
However, the affected party must promptly notify the other party of the
condition that delays or prevents its performance. The affected party must also
take reasonable steps to perform despite the condition, or to correct or repair
the condition that delays or prevents its performance.

22.11   NO SOLICITATION

To the extent permitted by law, during the Term of this Agreement, and for
__________ thereafter, WDC's HDD development, manufacturing, marketing and
qualification business groups shall not solicit or encourage, or use any third
party to solicit or encourage, any IBM employee who has provided IBM Technology
or Technical Assistance, directly or indirectly, to WDC under this Agreement and
is employed by IBM in a development or manufacturing position that involves, or
relates or pertains to, disk drive technology to discontinue his or her
employment relationship with IBM.

To the extent permitted by law, during the Term of this Agreement, and for
___________ thereafter, IBM's Storage Systems Division's HDD development,
manufacturing, marketing and qualification business groups shall not solicit or
encourage, or use any third party to solicit or encourage, any WDC employee who
has received IBM Technology or Technical Assistance, directly or indirectly,
from IBM under this Agreement and is employed by WDC in a development position
for its 3.5" form factor, desktop HDD programs to discontinue his or her
employment relationship with WDC.

For the purpose of interpretation of this Section 22.11, the mere publication by
either party of an advertisement in a newspaper, magazine or web site as to
availability of a job opening or other general solicitation that does not target
the employees of the other party will not be considered as solicitation.


                                       45


<PAGE>   51

22.12   AGREEMENT INTERPRETATION

The title and headings in this Agreement are for convenient reference and are
not intended to change or supplement the meaning of the terms of this Agreement.
References to sections of this Agreement followed by a single digit shall
include the entire section of the Agreement, including all subsections;
references to subsections shall include all subparts of such subsections.
References in this Agreement to a number of days, weeks, months, or years, shall
mean calendar days, weeks, months, or years, unless otherwise stated. This
Agreement shall be construed as having been jointly drafted by both parties
after meaningful negotiation.

22.13   SEVERABILITY

If any provision of this Agreement is found by any governmental authority or
competent judicial authority to be invalid, illegal, or unenforceable in any
respect, and such invalidity, illegality or unenforceability affects the
economic benefits, intellectual property provisions or licensing provisions of
this Agreement, the party affected by such action may terminate this Agreement.
If such action does not affect the economic benefits, intellectual property
provisions or licensing provisions, the remainder of such provisions shall
survive to the extent it is not so declared, and the validity, legality and
enforceability of the other provisions hereof shall not in any way be affected
or impaired thereby, unless such action would materially affect any of the
rights or obligations of either party, in which case either party may terminate
the Agreement.

22.14   SURVIVAL

In addition to Sections of this Agreement where survival rights are specified,
the rights and obligations of Sections 6.3, 8.1.6, 8.0, 9.3, 10.0, 11.3.4, 11.5,
12.0, 14.0, 15.0, 16.0, 19.4, 20.0, 22.2, 22.4, 22.5, 22.6, 22.7, 22.8, 22.9,
22.11, 22.14, 22.15, 22.17 and 22.18 shall survive and continue after any
expiration or termination of this Agreement or Contract and shall bind the
parties and their legal representatives, successors and assigns.

22.15   FAILURE TO ACT

Any delay or failure of a party to this Agreement to exercise any right, power,
remedy, or privilege hereunder, or failure to strictly enforce any breach,
violation, default, failure to perform, provision or condition shall not impair
any such right, power, remedy, or privilege, nor shall it constitute a waiver
thereof or acquiescence thereto unless explicit written notice is provided. Any
waiver, permit, consent, or approval of any kind regarding any breach,
violation, default, failure to perform, provision or condition of this Agreement
must be in writing and shall be effective only to the extent specifically set
forth in such writing. No partial waiver of any such right, power, privilege,
breach, violation, default, failure to perform, provision or condition on any
one occasion shall preclude any other or further exercise thereof or constitute
a waiver thereof or acquiescence thereto on any subsequent occasion unless clear
and express notice thereof in writing is provided.

22.16   PROHIBITED DISCUSSIONS

The parties affirm that their respective marketing policies or activities, or
pricing information with respect to HDDs, relative to the subject matter of this
Agreement shall not be discussed or exchanged between them.


                                       46


<PAGE>   52

22.17   SOLE AGREEMENT AND AMENDMENTS

The terms of this Agreement, and any agreements incorporated herein by
reference, are the complete and exclusive statement of the agreement between the
parties on this subject matter. They supersede any prior or contemporaneous oral
or written statements, agreements, or representations relating to the subject
matter of this Agreement.

The terms and conditions of the main body of this Agreement, including but not
limited to Section 19.0, shall control and prevail over any inconsistent or
contradictory term or condition in any Attachment to this Agreement or in any
purchase order, shipping document, invoice or similar document passing between
the parties pursuant to this Agreement; provided, however, that if an Attachment
explicitly indicates that one or more terms thereof supersede identified
provisions of this Agreement, such terms in such Attachment shall prevail.
Notwithstanding the foregoing, but excluding Section 19.0, this paragraph shall
not apply to either the OEM Agreement or Attachment H, except for Amendment
number 16 of Attachment H.

The parties understand that there are no other oral or written collateral
promises, representations, agreements, or understandings other than those
expressly stated in this Agreement. Each party warrants that there were no
inducements, express or implied, relied upon as a condition of entry into this
Agreement.

This Agreement may not be changed or supplemented except by a separate written
amendment signed by an authorized representative of each party. No conflicting
or additional terms in any purchasing acknowledgment, or other form not
specifically incorporated by reference into this Agreement shall be considered
part of this Agreement. Any such terms are void and shall be treated as having
been objected to by the parties.

22.18   AGREEMENTS WITH EMPLOYEES AND OTHERS

Each party shall obtain and maintain appropriate agreements with its
Subsidiaries, employees and others, including subcontractors whose services may
be required, that are sufficient to enable such party to comply with all the
provisions of this Agreement. These agreements shall, among other things,
contain terms that bind and make such Subsidiaries, employees and others subject
to all confidentiality and intellectual property licensing provisions in this
Agreement. All such Subsidiaries, employees and others shall also agree to use
any Confidential Information and IBM Intellectual Property provided solely in a
manner that is consistent with WDC's licenses to IBM Intellectual Property.

22.19   ATTACHMENTS

The following are a part of this Agreement:

        (a)  Attachment A:   Supplements

        (b)  Attachment B:   HDD Product Information

               Attachment B-1       [Product A]
               Attachment B-2       [Product B]


                                       47


<PAGE>   53

        (c)  Attachment C:  Manufacturing Software, Software Tools and Microcode

        (d)  Attachment D:  IBM Technology

        (e)  Attachment E:  IBM Technology Delivery Schedule

        (f)  Attachment F:  Core IBM Technology

                            (g) Attachment G: OEM Sales and Purchase Agreement
                            between International Business Machines Corporation
                            and Western Digital Corporation

                            (h) Attachment H: Agreement for Fabrication and
                            Purchase of Products (Original Equipment
                            Manufacturer) between International Business
                            Machines Corporation and Western Digital
                            Corporation dated April 8, 1993, as amended
                            (including Amendment No. 16 thereto, the "IMD
                            3-Piece Chip Set Agreement")


23.0    EXECUTION

This Agreement will not become binding, and neither party will have any
obligations under its terms, unless and until IBM Board of Directors approval is
obtained. In the event that IBM Board of Directors approval is not obtained by
July 31, 1998, this Agreement shall be null and void. All Confidential
Information, including but not limited to IBM Technology and IBM Technical
Information, which will be subject to this Agreement when it becomes effective,
shall continue to be subject to the Agreement for Exchange of Confidential
Information ("AECI") between the parties dated March 13, 1996, and supplement
number SJ-005 to such AECI, until approval is obtained from IBM's Board of
Directors. Once such approval is obtained, this Agreement shall become effective
and binding on the parties.

More than one counterpart of this Agreement may be executed by the parties, and
each fully executed counterpart shall be deemed an original. WDC and IBM
indicate their agreement to the terms of this Agreement by their authorized
representatives signing below.


INTERNATIONAL BUSINESS MACHINES             WESTERN DIGITAL CORPORATION
CORPORATION


By:     /s/ JAMES R. BOOTH                  By:    /s/ A. KEITH PLANT
        ------------------------------             ----------------------------
Name:   James R. Booth                      Name:  A. Keith Plant

Title:  Vice President, World Wide          Title: Vice President, Business
        Materials                                  Development
Date:   June 7, 1998                        Date:  June 7, 1998


                                       48

<PAGE>   54

                                          ======================================
                                                       CONFIDENTIAL.
                                          CERTAIN INFORMATION HAS BEEN REDACTED.
                                            CONFIDENTIAL TREATMENT REQUESTED.
                                          ======================================



                              OEM COMPONENT SUPPLY
                       AND TECHNOLOGY LICENSING AGREEMENT

                                  ATTACHMENT A

                                   SUPPLEMENTS

HDD Projects: [Product A] and [Product B].

HSA Technology Package: refer to Attachment D to Agreement.

[Balance Deleted]


<PAGE>   55


                              OEM COMPONENT SUPPLY
                       AND TECHNOLOGY LICENSING AGREEMENT

                                 ATTACHMENT B-1


                                    [Deleted]


<PAGE>   56



                              OEM COMPONENT SUPPLY
                       AND TECHNOLOGY LICENSING AGREEMENT

                                 ATTACHMENT B-2


                                    [Deleted]


<PAGE>   57



                              OEM COMPONENT SUPPLY
                       AND TECHNOLOGY LICENSING AGREEMENT

                                  ATTACHMENT C

              MANUFACTURING SOFTWARE, SOFTWARE TOOLS AND MICROCODE

                                    [Deleted]


<PAGE>   58



                              OEM COMPONENT SUPPLY
                       AND TECHNOLOGY LICENSING AGREEMENT

                                  ATTACHMENT D

                                 IBM TECHNOLOGY

                     PHASE 1 ([PRODUCT A] AND [PRODUCT B]):

The following IBM-specified items, as available, are included in the IBM
Technology that IBM plans to make available to WDC under this Agreement:

[Deleted]


<PAGE>   59



                              OEM COMPONENT SUPPLY
                       AND TECHNOLOGY LICENSING AGREEMENT

                                  ATTACHMENT E

                        IBM TECHNOLOGY DELIVERY SCHEDULE


               CHECKPOINT                                          DATE
               ----------                                          ----

Delivery of preliminary specifications and                       _________
drawings for mechanical components for [Product A]
(i.e., specifications and drawings
for mechanical components in IBM's current
Titan desktop HDD product)


First Steering Committee Meeting                                 __________



Second Steering Committee Meeting                                __________



Third Steering Committee Meeting                                 __________



IBM's scheduled LA date for [Product A]                          __________



IBM's scheduled LA date for [Product B]                          _________*





- ----------------
*  Dates are subject to change by mutual agreement.


<PAGE>   60


                              OEM COMPONENT SUPPLY
                       AND TECHNOLOGY LICENSING AGREEMENT

                                  ATTACHMENT F

                               CORE IBM TECHNOLOGY

                                    [Deleted]


<PAGE>   1
                                                                   EXHIBIT 10.41


                                          ======================================
                                                      CONFIDENTIAL.
                                          CERTAIN INFORMATION HAS BEEN REDACTED.
                                             CONFIDENTIAL TREATMENT REQUESTED.
                                          ======================================



                             OEM SALES AND PURCHASE


                                    AGREEMENT



                                     BETWEEN



                   INTERNATIONAL BUSINESS MACHINES CORPORATION

                                       AND

                           WESTERN DIGITAL CORPORATION


                                  JUNE 7, 1998



<PAGE>   2
                                          ======================================
                                                      CONFIDENTIAL.
                                          CERTAIN INFORMATION HAS BEEN REDACTED.
                                             CONFIDENTIAL TREATMENT REQUESTED.
                                          ======================================


                             OEM SALES AND PURCHASE
                                    AGREEMENT


                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                               Page
                                                                               ----
<S>                                                                             <C>
1.0     PURPOSE AND DESCRIPTION OF THE AGREEMENT ..............................  1

2.0     DEFINITIONS ...........................................................  2

3.0     PURCHASE ORDERS .......................................................  3

4.0     TERM ..................................................................  4

5.0     FORECASTS .............................................................  5

6.0     PRICE .................................................................  5

7.0     ORDER AND ORDER CHANGES

        7.1  FIRM PERIOD ......................................................  5
        7.2  OUTSIDE FIRM PERIOD ..............................................  5
        7.3  INSIDE FIRM PERIOD ...............................................  5
        7.4  ASSEMBLE TO ORDER AND MIX CHANGES ................................  6
        7.5  UPSIDE VOLUME CAPABILITY STRATEGY ................................  6
        7.6  RESCHEDULE PRICE CHANGES .........................................  6

8.0     ALLOCATION ............................................................  6

9.0     SALES INSIDE AND OUTSIDE THE UNITED STATES ............................  7

10.0    SHIPMENT AND DELIVERY .................................................  7

11.0    PAYMENTS AND INVOICES .................................................  7

12.0    INTEREST ..............................................................  8

13.0    AUDIT .................................................................  9

14.0    PRODUCT INSPECTION, ACCEPTANCE AND WARRANTY ........................... 10

15.0    MATERIAL AND WORKMANSHIP .............................................. 11

16.0    DISCLAIMER OF WARRANTY ................................................ 12
</TABLE>


<PAGE>   3

<TABLE>
<CAPTION>
                                                                               Page
                                                                               ----
<S>                                                                            <C>
17.0    PRODUCT QUALIFICATION AND ACCEPTANCE .................................. 12

18.0    EARLY PRODUCT PRODUCTION .............................................. 12

19.0    QUALITY ............................................................... 12

20.0    SPECIFICATION, ENGINEERING AND OTHER CHANGES .......................... 13

21.0    PRODUCT END OF LIFE ................................................... 13

22.0    SERVICE SUPPORT ....................................................... 13

23.0    TERMINATION ........................................................... 14

24.0    PATENT INDEMNITY ...................................................... 14

25.0    ADMINISTRATIVE PROVISIONS

        25.1   MANAGING COORDINATORS .......................................... 15

        25.2   NOTICES ........................................................ 15

26.0    GENERAL PROVISIONS

        26.1   NO ASSIGNMENT OR SUBCONTRACT ................................... 16

        26.2   PUBLICITY/TRADEMARKS ........................................... 16

        26.3   NON-EXCLUSIVE AGREEMENT ........................................ 17

        26.4   INDEPENDENT RELATIONSHIP OF THE  PARTIES ....................... 17

        26.5   REPRESENTATIONS AND WARRANTIES ................................. 17

        26.6   COMPLIANCE WITH LAWS AND  REGULATIONS .......................... 17

        26.7   GOVERNING LAW, VENUE, AND JURY TRIAL WAIVER .................... 17

        26.8   LIMITATION OF LIABILITY AND EXCLUSION OF CONSEQUENTIAL
               DAMAGES ........................................................ 18

        26.9   FORCE MAJEURE .................................................. 18

        26.10  AGREEMENT INTERPRETATION ....................................... 18

        26.11  SEVERABILITY ................................................... 18
</TABLE>


                                       ii


<PAGE>   4

<TABLE>
<CAPTION>
                                                                               Page
                                                                               ----
<S>                                                                             <C>
        26.12  SURVIVAL ....................................................... 19

        26.13  FAILURE TO ACT ................................................. 19

        26.14  PROHIBITED DISCUSSIONS ......................................... 19

        26.15   DISPUTE RESOLUTION ............................................ 19

        26.16  SOLE AGREEMENT AND AMENDMENTS .................................. 20

27.0    EXECUTION ............................................................. 21
</TABLE>


                                      iii

<PAGE>   5

                                          ======================================
                                                      CONFIDENTIAL.
                                          CERTAIN INFORMATION HAS BEEN REDACTED.
                                             CONFIDENTIAL TREATMENT REQUESTED.
                                          ======================================


                        OEM SALES AND PURCHASE AGREEMENT


This is an OEM Sales and Purchase Agreement ("Agreement") dated June 7, 1998,
between Western Digital Corporation ("WDC") and International Business Machines
Corporation ("IBM"). WDC is a Delaware corporation with its principal place of
business at 8105 Irvine Center Drive, Irvine, California 92618. IBM is a New
York corporation with its principal place of business at New Orchard Road,
Armonk, New York 10504.

WHEREAS, WDC wishes to manufacture future hard disk drives (HDDs) for the
desktop platform that contain certain head products designed, developed and
manufactured by IBM that use IBM's leading giant magnetoresistive ("GMR") and
future generation head technology; and

WHEREAS, WDC wishes to purchase from IBM certain head gimbal assemblies (HGAs)
and other components from IBM for use in WDC's manufacture of desktop HDD
products; and

WHEREAS, if WDC desires IBM's assistance in procuring components for, or
assembling, head stack assemblies, IBM will procure some or all of the
components used with head gimbal assemblies to create head stack assemblies and
assemble or supervise the assembly of such components and head gimbal assemblies
into head stack assemblies;

WHEREAS, IBM wishes to continue selling components which incorporate its leading
technology to other HDD manufacturers; and

WHEREAS, in order to obtain an intended stable source of supply of IBM
components, WDC wishes to purchase in volume certain IBM components;


NOW THEREFORE, in consideration of the promises and the mutual covenants
contained herein, IBM AND WDC AGREE AS FOLLOWS:


1.0     Purpose and Description of the Agreement

1.1 The purpose of this Agreement is for IBM and WDC to enter into a business
relationship for the purchase of IBM HGAs and associated components and the
integration of such components into desktop Products.


2.0      Definitions

2.1     "Acceptance" shall mean the date the Product is accepted by WDC as
        further described in Section 14.0.


<PAGE>   6

2.2     "Agreement" shall mean this OEM Sales and Purchase Agreement and its
        Exhibits.

2.3     "Assembly Kits" shall mean those parts which make up a [Product A] or
        [Product B] HDD and which are listed on the bill of materials at the
        time of WDC's purchase of such kits.

2.4     "Firm Period" shall mean that period of time during which WDC's Product
        orders are firm as further described in Section 7.0.

2.5     "FOB Point" shall mean either Singapore or Hong Kong.

2.6     "GA" or "General Availability" shall mean ______________.

2.7     "HDD" shall mean hard disk drive.

2.8     "HGAs" shall mean specific IBM Head Gimbal Assemblies sold by IBM to WDC
        under this Agreement, and which are further described in Exhibit 1 of
        this Agreement.

2.9     "HSAs" shall mean specific IBM head stack assemblies (i.e., HGA and
        non-HGA materials) sold by IBM to WDC under this Agreement, and which
        are further described in Exhibit 1 of this Agreement.

2.10    "IMD Agreement" shall mean the Agreement for Fabrication and Purchase of
        Products (Original Equipment Manufacturer) between IBM (IMD) and WDC,
        dated April 8, 1993, as amended (including Amendment No. 16 thereto).

2.11    "Initial Delivery Date" shall mean the date on which IBM completes in
        substantial part the delivery to WDC of preliminary specifications and
        drawings for mechanical components for [Product A] (i.e., specifications
        and drawings for mechanical components in IBM's current ___ HDD
        product).

2.12    "[Product A]" shall mean the IBM-designed 3.5" form factor, desktop HDD
        product that is described in Exhibit 2 of this Agreement.

2.13    "LA" or "Limited Availability" shall mean _________________.

2.14    "Managing Coordinator" shall mean each of the individuals who are named
        in Section 25.1 of this Agreement and are responsible for the oversight
        of this Agreement.

2.15    "OEM" shall mean original equipment manufacturer.

2.16    "PCBA" shall mean the IBM-specified printed circuit board assembly that
        WDC acquires from IBM under this Agreement, and which is further
        described in Exhibit 1 to this Agreement.

2.17    "[Product B]" shall mean the IBM-designed 3.5" form factor, desktop HDD
        Product that is described in Exhibit 2 of this Agreement.


                                       2


<PAGE>   7

2.18    "Product(s)" shall mean HGAs and non-HGA materials and certain agreed
        upon mechanical and electrical components including a 3-piece Chip Set
        purchased under the IMD Agreement, all of which are further defined in
        Exhibit 1 of this Agreement.

2.19    "Product End of Life" shall mean the last Ship Date of a Product.

2.20    "Program Quarter" or "PQ" shall mean the first three (3) calendar months
        or each three (3) consecutive calendar months thereafter of any Product
        program.

2.21    "RMA" shall mean Return Materials Authorization as further described in
        Section 14.0 of this Agreement.

2.22    "Ship Date" shall mean the date a Product is shipped from IBM to WDC.

2.23    "Specifications" shall mean a Product's specifications as further
        described in Exhibit 2 of this Agreement.

2.24    "Subsequent Payment" shall mean the payment that WDC pays to IBM as
        further described in Exhibit 1 of this Agreement.

2.25    "Subsidiary(ies)" shall mean a corporation, company, limited liability
        company or other entity:

        (a) more than fifty percent (50%) of whose outstanding shares or
            securities (representing the right to vote for the election of
            directors or other managing authority) are, now or hereafter, owned
            or controlled, directly or indirectly, by a party hereto; or

        (b) which does not have outstanding shares or securities, as may be the
            case in a partnership, joint venture, or unincorporated association,
            but more than fifty percent (50%) of whose ownership interest
            representing the right to make the decisions for such corporation,
            company or other entity is, now or hereafter, owned or controlled,
            directly or indirectly, by a party hereto;

        but such corporation, company or other entity shall be deemed to be a
        Subsidiary only so long as such ownership or control exists.

2.26    "3-piece Chip Set" shall mean the IBM-specified, application-specific
        integrated circuit chip set that WDC acquires from IBM under the terms
        and conditions of the IMD Agreement.

2.27    "VT-2" shall mean _____________.

3.0     Purchase Orders

3.1 The terms of this Agreement shall apply to all purchase orders placed by WDC
and accepted by IBM during the term of this Agreement as set forth in this
Section 3.0 for the purchases of Products as further described in Exhibit 1
hereto. Exhibit 1 may be updated by written agreement to reflect new Products
and the associated Specifications. Changes to the Product Specifications
established in Exhibit 1 are


                                       3


<PAGE>   8

subject to Section 20.0 (Specification, Engineering and Other Changes). The
terms of this Agreement govern and prevail over the terms of any such purchase
orders. WDC shall be liable under this Agreement only for those Products covered
by such purchase orders.

3.2 Subsidiaries of WDC may purchase Products under this Agreement, and WDC
agrees that any such Subsidiary will be bound by the term and conditions of this
Agreement and guarantees their performance.

3.3 WDC represents and warrants that Products will be integrated or incorporated
into WDC's desktop HDD products. An incidental quantity of Product may be used
for testing and development by WDC and WDC's customers. Any transfer of
pre-production Product by WDC to a third party requires IBM's prior written
consent and is subject to the provisions of a confidentiality agreement
established between such third party and IBM.

3.4 WDC may purchase prototype Assembly Kits as further defined in Exhibit 1.

3.5 WDC may order Product by sending a purchase order to: IBM Corporation, Bldg.
14, Dept. M8LA, 5600 Cottle Road, San Jose, CA 95193. Minimum purchase order
quantities and multiples may apply. WDC will exercise reasonable efforts to
provide at least _________ days lead time from the date of the purchase order to
the requested shipment date on all purchase orders. On the first day of each
calendar quarter, WDC will use reasonable efforts to provide IBM with a purchase
order covering shipments for the following calendar quarter.

3.6 WDC may order a 3-piece Chip Set as further described in Exhibit 1 and under
the terms and conditions of the IMD Agreement.

3.7 IBM will provide a written acceptance notification to WDC for all accepted
purchase orders within four (4) business days. The acceptance will describe the
Product ship dates, the location from which the shipment will originate and the
committed quantity of Products.

4.0 Term

This Agreement shall be effective as of the date of the signature of the last
party to execute this Agreement (the "Effective Date") and, unless sooner
terminated as hereinafter provided, shall remain in effect for a period of time
beginning on the Effective Date and ending on the date of Product End of Life
for [Product B], or for a period of _________ from the Effective Date, whichever
is later (the "Initial Term"). Following the Initial Term, this Agreement may be
extended through the Product End of Life for desktop Products that are
successors to [Product B], if an amendment to this Agreement is executed by
authorized representatives of IBM and WDC. The Initial Term and any extended
period shall be referred to in this Agreement as the "Term."


                                       4


<PAGE>   9

5.0   Forecasts

5.1 WDC agrees to provide IBM with an operating forecast which is a ______
rolling forecast of WDC's Product and HGA requirements at the beginning of each
_______, or more frequently if market demand changes. IBM agrees to provide WDC
with a ________ operating supply forecast, with the first __________
individually broken out and the remaining period outlined by ______. These
forecasts are non-binding, and do not create any obligation for WDC to purchase
these quantities or for IBM to supply them to WDC.

5.2 Additionally, on a ________ basis, WDC will provide a program forecast which
is a full life volume forecast, by _______, for each committed program.

5.3 For strategic planning, on a ________ basis (_________), WDC will provide a
__________ year strategic volume outlook by ______. IBM will respond with a
_________ year WDC available capacity forecast. WDC and IBM will meet to discuss
any differences between these two forecasts and possible solutions to any
problems posed by such differences.

6.0  Price

6.1 The prices for Products, including any applicable discounts, are as
specified in Exhibit 1. The prices shown in Exhibit 1 shall not increase for
purchase orders accepted by IBM for shipment during the Program Quarter.

6.2 The parties will meet at least once per calendar quarter to discuss prices
and, upon mutual agreement, Exhibit 1 may be updated and amended by IBM issuing
a price release letter to WDC containing any revised prices. Such new prices
will become effective on their effective date unless WDC notifies IBM of an
error in the price release letter within ________ days of receiving it. The
competitive environment in the Product's market will be taken into consideration
when adjusting prices.

7.0 Order and Order Changes

7.1 Firm Period

WDC will provide firm Product orders (including specifying the number of heads
per HSA) for a specified period (hereinafter "Firm Period") before Ship Date.
Purchase order changes made during the Firm Period may subject WDC to liability.
The initial Firm Periods for all Products under this Agreement will be _________
days. WDC and IBM will work together to reduce cumulative product cycle time for
Products under this Agreement, and as product cycle time is reduced, the parties
agree to meet and negotiate a new Firm Period for any Product whose cycle time
has been reduced. The parties will negotiate a new Firm Period for a Product at
Product checkpoint and the parties further agree to meet each January and July
to discuss whether, as a result of product cycle time reduction, the Firm Period
should be changed.


                                       5


<PAGE>   10

7.2 Outside Firm Period

With advance notice exceeding the Firm Period, WDC may reschedule the timing of
a Product shipment or the quantity of Products in a shipment, and WDC may cancel
a Product shipment without liability. Any IBM build ahead inventory is at IBM's
risk outside the Firm Period.

7.3 Inside Firm Period

[Deleted]

7.4  Assemble to Order and Mix Changes

In order to accommodate market demand and minimize inventory, WDC may make mix
changes (changing the number of heads per HSA) to orders within the Firm Period,
and IBM will make reasonable efforts to accommodate those mix changes provided
that the mix changes do not alter the overall HGA volumes. Nothing in this
Section modifies or affects the WDC liability as stated in Section 7.3 above,
except that the parties agree that if WDC attains or exceeds its HGA quantities,
there will be no liability for any changes in the mix of HSAs, provided however,
that WDC, in the next Program Quarter, consumes any unused non-HGA materials
remaining after any such mix changes.

7.5  Upside Volume Capability Strategy

The in-process buffer and product staging buffer will be approximately _________
inventory buffer. IBM will maintain a Just-in-Time (JIT) hub in _________ with
_________ inventory, which is part of the __________ inventory buffer. The
parties will work together to ensure that all appropriate tax issues are
resolved. In the event that the tax issues are not resolved, IBM has no
obligation to maintain a JIT Hub in _________. In that event, the parties will
mutually agree to an alternative solution. In the event that the buffer stock is
consumed, IBM will make reasonable efforts to restore the buffer stock within
______________.

7.6   Reschedule Price Changes

In the event that a Product shipment is rescheduled from the current Program
Quarter into the next Program Quarter, the current Program Quarter pricing will
apply to all such Products unless the parties agree otherwise. In the event that
WDC wishes to reschedule from a future Program Quarter into the current Program
Quarter, the price shall be at the future Program Quarter unless the parties
agree otherwise. IBM recognizes that there may be times when it is beneficial
for the parties to reschedule and, therefore, the parties agree to negotiate in
good faith, the price on a case-by-case basis.

8.0   Allocation

[Deleted]

9.0   Sales Inside and Outside of the United States

9.1 For the small number of U.S. sales (sales of Products which IBM ships to WDC
and WDC takes title within the U.S.) such as prototype Assembly Kits, the
contract of sale for Products purchased under this Agreement will be between IBM
Corporation and WDC, and will be under the terms of this Agreement.


                                       6
<PAGE>   11

9.2 For non-U.S. sales (sales of Products which IBM ships to WDC and title
passes to WDC outside the U.S.), the contract of sale for Products purchased
under this Agreement will be between the IBM legal entity owning the
manufacturing plant ("the Plant") that will supply Products to WDC and the
applicable WDC legal entity purchasing the Products. It is agreed that all such
purchase orders will incorporate the terms of this Agreement whether expressly
referenced or not, and will only be accepted on this basis. Purchase orders will
be accepted by the Plant when it issues an acceptance document thereby creating
the contract of sale for the Products. WDC will be notified of any such
acceptance by IBM's administrative services personnel. IBM and WDC each reserve
the right to enforce the provisions of this Agreement in lieu of such Plant or
legal entity.

10.0  Shipment and Delivery

10.1 All Products shall be identified and packed adequately to arrive at the
destination in an undamaged condition. All shipping documents and shipping
containers shall be plainly marked with the complete "ship to" address, purchase
order number, quantity, description of Products, and any special markings
required by WDC and agreed to by the parties.

10.2 IBM agrees to acknowledge each purchase order within ________ business days
of receiving it. IBM or its designee, will make reasonable efforts, within
_______ business day, to acknowledge Product mix changes which do not alter
overall HGA volumes.

10.3 All shipments to WDC shall be from the FOB Point. Title and risk of loss
will transfer to WDC when the Product is tendered to the carrier at such FOB
Point. WDC is responsible for all freight and related costs (e.g., insurance)
from the FOB Point to WDC's location.

10.4 Purchase orders placed by WDC and accepted by IBM prior to the end of the
Term and for which delivery is made after the end of the Term, shall continue to
be governed by the terms and conditions of this Agreement.

11.0   Payment and Invoices

11.1 Upon tender to the carrier of Products at the FOB Point, IBM will submit
invoices to WDC showing invoice number and date, remit-to address, purchase
order number, item number, description of item, price, each applicable tax and
extended totals.

11.2 All payments shall be paid by WDC to IBM by electronic funds transfer to an
IBM-designated bank account and shall be in U.S. Dollars. WDC's payment is due
in full (invoiced amount) to IBM within ________ days from the date of IBM's
invoice (Net___). WDC may pay IBM a resulting amount equal to a _______ percent
(___%) discount from the invoiced amount if WDC ensures such payment is received
by IBM within ___________ days from the date of IBM's invoice.

Payments to IBM by electronic transfer of funds for IBM's sale of prototype
Assembly Kits to WDC in the U.S. shall be sent to:

- ------------------


                                       7


<PAGE>   12

Payments to IBM by electronic transfer of funds for Subsequent Payments as
described in Exhibit 1 and for the sale of Products to WDC outside of the U.S.
shall be sent to:

- -------------

Remit to:
Pay U.S. Dollars without deduction by authenticated, value-dated day/month/year,

- -------------


IBM may change the above bank account(s) and payee(s) at any time upon five (5)
days' written notice to WDC.

Any payments to WDC under this Agreement for the shall be made by electronic
funds transfer and shall be in U.S. dollars and shall be sent to:

- -------------

11.3 WDC will provide IBM with applicable tax exemption documentation and IBM
agrees to apply such documentation as appropriate. All applicable federal, state
and local sales, use and like taxes shall be noted separately on IBM's invoices.
WDC is responsible for all applicable taxes related to Products except for taxes
based on IBM's net income.

11.4 Payment of invoice amounts shall not constitute Acceptance of Products and
will be subject to adjustment for errors, shortages or defects in Products.

12.0 Interest

Either party may charge the other party interest on any overdue payment required
to be paid under this Agreement. If either party decides to charge interest,
interest will accrue on the date a payment becomes due. The interest rate shall
be an annual rate equal to two percentage points more than the prime interest
rate quoted by the head office of Citibank, N.A., New York, at the close of
banking on the date the required payment is due, or on the first business day
after that date if such date falls on a non-business day. If this rate exceeds
the maximum legal rate where a claim for interest is being asserted, it will be
reduced to the maximum legal rate.

13.0    Audit

13.1 WDC will maintain relevant records to support all payments made to IBM
under, and to show its compliance with, the terms of this Agreement. Such
records will be retained in accordance with WDC's normal record retention
policies; however, for payments made to IBM, records supporting such payments
will be maintained by WDC for a minimum period of ___________ from the date of
payment to IBM.

13.2 Upon request from IBM, WDC will provide written assurances pertaining to
WDC's performance of its obligations under this Agreement that are reasonably
satisfactory to IBM. Upon request, WDC will make available to IBM documents and
other information (but excluding documents


                                       8


<PAGE>   13

containing WDC confidential information that have not been previously provided
by WDC to IBM), that are reasonably necessary to verify WDC's compliance with
the terms of this Agreement.

13.3 IBM may also request that an audit be performed of certain specified
provisions of the Agreement by an independent auditor. If IBM elects to have
such an audit performed, WDC will make available financial, technical and/or
other information and records to such independent auditor. The independent
auditor selected shall be selected and compensated by IBM. Prior to beginning
such audit, the independent auditor will enter into an agreement with WDC to
maintain in confidence WDC's confidential information. The independent auditor
will promptly conduct and issue an audit report to WDC and IBM. If the
independent auditor determines that WDC has failed to comply with any of the
audited terms of this Agreement, such independent auditor shall only disclose to
IBM and WDC the results of the audit without revealing WDC's confidential
information. If the independent auditor determines that WDC owes any monies to
IBM under this Agreement, such auditor shall only disclose in its audit report
to IBM and WDC the (i) amounts that are due, but have not been paid, by WDC to
IBM under this Agreement, together with any interest due thereon; and (ii) a
calculation as to how such amounts were actually determined, if applicable.

13.4 If an audit discloses that WDC has underpaid IBM any amount due under the
Agreement, WDC shall promptly pay to IBM the amount of such underpayment,
including any interest due thereon. If the results of an audit reveal that WDC
has underpaid Subsequent Payment to IBM by an amount that exceeds the cost of
the audit, then WDC shall promptly reimburse IBM for all expenses that it has
incurred in connection with the audit, and promptly pay to IBM all amounts that
are due and owing.

13.5 In the event that WDC cancels or reschedules a quantity of Products and IBM
holds WDC liable, pursuant to Section 7.0, IBM shall, upon WDC's written request
and sixty (60) days notice, during normal business hours, provide access, for
such period as may reasonably be required, to the relevant records used to
validate IBM's liability claim for the three (3) month period preceding such
written notice, to an independent accounting firm (mutually acceptable to both
parties and compensated by WDC) for purposes of audit. Such accounting firm
shall be required to sign an agreement with IBM protecting IBM's confidential
information and shall be authorized by IBM to report to WDC only the amounts
due, payable or credited for the period examined, along with such related
information as is reasonably necessary to provide WDC with a proper
understanding of the basis for its conclusions, subject to the accounting firm's
obligations of confidentiality.

14.0  Product  Inspection, Acceptance and Warranty

14.1 WDC and IBM will develop a mutually acceptable Product source inspection
which will be performed at the Product manufacturing site prior to shipment to
WDC. The objective of such source inspection includes, but is not limited to (i)
identifying defects in the Products' material and workmanship, (ii) ensuring the
Products meet the Specifications, and (iii) minimizing WDC's Product handling at
the FOB Point.

IBM warrants that each Product, when shipped to WDC, is free from defects in
material and workmanship and meets the applicable Specifications. Any such
source inspection, incoming inspection, testing or qualification by WDC shall in
no way affect IBM's obligation to supply, or WDC's obligation to accept delivery
of, Products that fully conform to their Specifications.


                                       9


<PAGE>   14
WDC will promptly notify IBM of any shipping damage prior to accepting the
Products. In the absence of such notification within ________ hours of receipt
of the Products, WDC will be deemed to have accepted the Products.

14.2 The parties agree that failures that occur during HDD assembly are likely
to fall into three categories: those attributable to IBM; those attributable to
WDC and those failures upon which the parties cannot agree to whom to assign
responsibility. IBM and WDC agree that the following process will be followed:

14.2.1  Failures Attributable to IBM:

[Deleted]

14.2.2  Failures Not Attributable to IBM:

[Deleted]

14.2.2.1  [Deleted]

14.2.2.2  [Deleted]

14.2.3 Failures for Which There is No Agreement:

[Deleted]

15.0  Material and Workmanship

15.1 For those failures that are solely attributable to Product defects in
material or workmanship or failing to meet Specifications, IBM will work with
WDC to identify the cause of failure and to develop a mutually agreeable action
plan to address the situation. Such action plan may include, but is not limited
to, _______________________________. IBM will issue an RMA within ____________
hours after IBM's concurrence that the affected Product do not meet the
warranty. ___________________________________________________________________.

15.2 Notwithstanding Section 14.1, during the term of this Agreement and for
_________ after Product End of Life (which is defined as the last Ship Date of a
Product), if the parties agree that the Product's show evidence of a
time-related failure, IBM will (i) analyze the data provided by WDC, and (ii)
work with WDC to identify the cause of failure, and (iii) develop a mutually
agreeable plan to address the situation. Such plan may include the same elements
described in Section 15.1 above. The parties understand the words "time-related
failures" are not the types of failures which are isolated in nature but are
more frequent in occurrence. One example of a time-related failure is wire
fatigue. One example that is not a time-related failure is "hard-error" failures
which occur as a result of the integration of multiple components as well as
from environmental factors.

15.3 If WDC determines and IBM agrees that (i) such time-related failures are
solely attributable to a defect in the Product's material and workmanship or a
failure to meet its Specifications, or (ii) due to


                                       10

<PAGE>   15

IBM's or its subcontractor's workmanship or materials and/or those component
suppliers chosen and certified by IBM, IBM and WDC shall develop a mutually
agreeable plan to address the situation. Such plan may include the same elements
described in Section 15.1 above. If however, the parties agree that such
failures are attributable to any components, materials or workmanship of
suppliers certified by WDC, WDC will work directly with the applicable suppliers
to develop an action plan to address the situation. WDC may, at its discretion,
request that IBM participate in the resolution to such time-related failures and
will negotiate with IBM terms and conditions under which IBM would agree to
participate in such resolution.

15.4 IBM's warranty does not cover Products that are defective because of abuse,
misuse, negligence or handling by WDC or a third party unrelated to IBM (by
contract or otherwise), or use or storage in other than the specified physical
environment.

16.0   DISCLAIMER OF WARRANTY

IBM DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE IMPLIED
WARRANTIES OF MERCHANTABILITY, SUITABILITY OR FITNESS FOR USE FOR A PARTICULAR
PURPOSE.

17.0 Product Qualification and Acceptance

17.1 On a mutually agreed to date, IBM shall deliver to WDC, for WDC's approval,
a Product Qualification and Acceptance (PQA) Procedure. Such PQA Procedure shall
contain the procedures for ongoing inspection and testing, acceptance inspection
and testing and facility surveys, as well as any physical performance and
quality requirements in addition to those provided in the Specifications. In the
event that the parties are unable to reach an agreement regarding the PQA
Procedure within sixty (60) days from the Effective Date of this Agreement, the
parties shall meet to negotiate in good faith how to proceed.

17.2 WDC reserves the right to review, with IBM's prior written agreement, IBM's
manufacturing facilities and IBM's quality control procedures, both prior to
first deliveries of Products and periodically thereafter, in order to assure
compliance with the Specification(s), PQA Procedure, and other industry standard
practices and procedures. IBM will implement and maintain quality control
procedures mutually agreed upon by the parties as a result of such facility
reviews.

18.0  Early Product  Production

"Early Product" is defined as Product for which the parties have agreed on an
initial specification which may, with IBM's and WDC's mutual agreement, change
prior to the Product's General Availability. IBM agrees to produce Early Product
to accommodate WDC's delivery schedule for Early Product subject to the
following conditions:

18.1 The specification upon which Early Product production is based will be
identified in an Exhibit to this Agreement. Purchase orders and delivery of
Early Product will be as described in Section 5.0 (Forecasts) and 7.0 (Order and
Order Changes).


                                       11


<PAGE>   16

18.2 WDC agrees to purchase Early Product produced by IBM using the
specification in effect at the time of the Purchase Order, at the price
established by Section 6.0 (Prices). Subject to the Product source inspection,
WDC may reject Early Product which does not meet the applicable specification.

19.0  Quality

WDC and IBM acknowledge that quality and reliability is a prime consideration in
total cost and customer satisfaction. Therefore, both parties agree to develop
mutually agreed upon quality objectives for the IBM Components that are to be
sold by IBM to WDC under this Agreement. Once these quality objectives have been
defined and agreed upon by the parties, IBM and WDC will use reasonable efforts
to achieve those objectives. Failure to achieve or help the other party to
achieve such quality objectives shall not be considered a breach of, or subject
either party to liability under, this Agreement.

20.0  Specification, Engineering and Other Changes

20.1 The Product form, fit or functional Specification may be amended or
otherwise changed from time-to-time by written agreement of the parties. WDC
agrees to purchase Products produced by IBM using the latest, fully qualified
Specification in effect at the time of the Purchase Order, at the price
established by Section 6.0 (Price).

20.2 It is IBM's goal to provide WDC with reasonable outlooks of upcoming
Product changes. Therefore, IBM will provide WDC with (i) immediate notification
for mandatory safety and reliability changes; (ii) ________ days notification
for all other mandatory, or situations out of IBM's reasonable control, changes;
and (iii) _________ days notification for all other, optional changes.

20.3 Some changes may require requalification by WDC's customers. In those
cases, IBM and WDC will meet and establish a mutually agreeable schedule for
"phase-over" for the new engineering level. For a mutually agreeable period of
time, IBM will maintain a line of supply of the previously qualified Product so
that WDC's customers can re-qualify the Product.

21.0  Product End of Life

21.1 IBM reserves the right to withdraw from marketing any Products. IBM will
notify WDC in writing at least _________ prior to the withdrawal date of a
Product. IBM will ship Products for purchase orders which IBM has accepted
before the withdrawal date. Subject to Sections 5.0 (Forecasts) and 7.0 (Order
and Order Changes), IBM will accept purchase orders for delivery of Products to
be withdrawn for an additional _________ after the withdrawal date. These
additional purchase orders must be submitted to IBM at least ________ prior to
the withdrawal date and may not be cancelled or modified.

21.2 WDC will provide IBM with at least _________ notice of its intent to bring
a [Product A]/[Product B] HDD to end of life. If WDC wishes Product continuance
beyond IBM's planned withdrawal date, the parties agree to meet and discuss a
joint Product End of Life plan.

21.3 At Product End of Life, WDC and IBM will meet to project and forecast the
need for replacement spare parts and the parties will mutually agree to a
Product End of Life plan for the provision of those parts to WDC.


                                       12


<PAGE>   17

22.0 Service Support

22.1 WDC and IBM will calculate the annualized failure rates of the Products and
the spare part stocking levels for associated HGAs which will be needed by WDC
for its HDD warranty period after Product End of Life. During the last Program
Quarter of a Product, the parties will meet to determine the amount of spare
parts which will be needed after Product End of Life.

22.2 For those failed Products which are defined in Section 15.2, IBM will bear
the responsibility of repair of those failed Products.

22.3 For any other failed Products, WDC will be responsible for the repair of
those failed Products. WDC will purchase the needed spare parts, as determined
by the parties pursuant to Section 22.1 above, in the quarter following Product
End of Life, at the last Program Quarter prices.

22.4 WDC will allow IBM to utilize WDC's service repair center (or its
designated third party suppliers as approved by IBM). In the event that IBM
chooses to use the WDC repair center for its own repair of Products under this
Agreement, IBM and WDC will estimate the prices per failed Product configuration
for the following quarter. IBM and WDC representatives will meet quarterly to
review WDC actual service repair costs and will reconcile the estimated repair
payments paid in the previous quarter to the actual repair costs incurred.

22.5 Within _______________ after Product End of Life, WDC (or a third party
supplier approved by IBM) will repair failed Product contained in returned IBM
or WDC HDDs.

22.6 In the event that WDC purchases finished PCBAs, the parties will meet and
negotiate a service repair strategy.

23.0 Termination

23.1 The parties may agree to mutually terminate this Agreement by written
amendment.

23.2 A Party may terminate this Agreement for cause in the event of a material
breach of this Agreement by the other party.

23.3 Termination of this Agreement under Section 23.0 shall become effective
sixty (60) days after written notice of the termination, unless the breaching
party cures the default prior to the effective date of the cancellation. Such
termination shall not be delayed or postponed as the result of any election made
by either party to invoke the dispute resolution process under this Agreement.

24.0 Patent Indemnity

If a third party claims that a Product provided to WDC infringes that party's
patent, IBM shall defend WDC against that claim at IBM's expense and pay costs,
damages, and attorney's fees a court finally awards, provided that WDC:

        (a)    promptly notifies IBM in writing of the claim; and

        (b)    allows IBM sole control of, and cooperates with IBM in, the
               defense and any related settlement negotiations.


                                       13


<PAGE>   18

In addition, if such a claim is made or appears likely to be made, WDC will
permit IBM, at its discretion, either to enable WDC to continue to use the
Products (by obtaining a license or otherwise), or to modify or replace them. If
IBM determines that none of these alternatives is reasonably available, WDC
shall return the Products to IBM at IBM's request for a credit for the price
paid by WDC for such Products. The preceding paragraph and this paragraph
represent IBM's entire obligation to WDC regarding any claim of patent
infringement.

Notwithstanding any provisions in this section, IBM shall have no liability and
shall not indemnify WDC for such claim if the claim is based on:

        (a)    modification of the Products by WDC;

        (b)    infringement caused by the combination of the Products with other
               parts and/or components not provided by IBM;

        (c)    the use of the Products in other than their specified operating
               environment; or

        (d) infringement by a non-IBM component alone.

25.0    ADMINISTRATIVE PROVISIONS

25.1    Managing Coordinators

The Managing Coordinators for the parties are:

For IBM:                                    For WDC:

- ------------                                -------------------
5600 Cottle Road                            8105 Irvine Center Drive
Dept. 8T7A / Bldg. 28-2                     Irvine, California 92718
San Jose, California  95193
Fax: 1-408-256-2751                         Fax: 949-932-7703

Each party may change its Managing Coordinator, or designate a temporary acting
Managing Coordinator, at any time during the term of this Agreement by notifying
the Managing Coordinator for the other party in writing at the above address. No
formal amendment to this Agreement is necessary to make this change.

The Managing Coordinator is not authorized to amend, alter, or extend this
Agreement in any way. The Managing Coordinator or his designated alternate is
only authorized to:

        (a) submit and receive requests, proposals, and responses;


                                       14


<PAGE>   19

        (b) schedule and coordinate visits by personnel of each party to
            facilities of the other party, or its Subsidiaries, in connection
            with activities under this Agreement; and

        (c) monitor schedules and progress of this Agreement.

25.2    Notice

Except as otherwise provided for in this Agreement, any notice or communication
to be made or given to a party under to this Agreement shall be sent to that
party by facsimile or by registered airmail, postage prepaid. Registered or
certified mail may also be used where delivery is in the same country as
mailing. Notices and communications shall be sent to the receiving party's
address listed below or to another address designated in writing by the
receiving party. Notices or other communications shall be deemed to have been
given on the date of receipt.

For the mailing of all notices and communications under this Agreement to IBM:

IBM Corporation
Legal Department
5600 Cottle Road
Dept. 277A/Bldg. 12-2
San Jose, California 95193
Fax: 408-256-6718

For mailing to WDC for notices and communications:
Western Digital Law Department
Director, Contracts/Licensing
8105 Irvine Center Drive
Irvine, California  92618
Fax: 949-932-5633

26.0    General Provisions

26.1    No Assignment or Subcontract

This Agreement shall be binding on and inure to the benefit of the parties to
this Agreement, their Subsidiaries, and their respective successors and assigns.

Neither party may transfer, assign, delegate, license or sublicense this
Agreement nor any of the rights, licenses or duties under this Agreement,
including but not limited to any license rights obtained hereunder, without the
prior written approval of the other party, except that: either party may (i)
assign its rights to payments that will become due under the Agreement to
another party, (ii) assign this Agreement to a Subsidiary with the prior written
consent of the other party, which will not be unreasonably withheld or delayed,
and (iii) delegate its duties to a Subsidiary that it reasonably believes will
be capable of performing such party's duties under this Agreement; Any
assignment or delegation pursuant to this paragraph shall not relieve either
party of its obligation under this Agreement. Any assignment or delegation that
is inconsistent with this Section is void and shall have no effect.


                                       15


<PAGE>   20

Neither party may subcontract any work to be performed under this Agreement
without the prior written approval of the other party which approval will not be
unreasonable withheld or delayed. However, if a party does subcontract with the
consent of the other party, the subcontracting party shall be solely responsible
for the performance of the subcontractor. Subcontracting work shall not relieve
either party of its obligations under this Agreement.

26.2    Publicity/Trademarks

Neither party may disclose the terms of this Agreement in any publication or
marketing materials without the prior written consent of the other party. The
parties agree that any publicity regarding the subject matter of this Agreement
will be duly coordinated by and between the parties. Each party hereto agrees
not to disclose the terms and conditions of this Agreement other than to its
Subsidiaries, independent accountants or legal counsel except as may be required
by law or governmental regulation, without the express written consent of the
other party.

Nothing contained in this Agreement shall be construed as transferring any right
to use in advertising, publicity, or other promotional activities any name,
trade name, trademark, or other designation of either party to this Agreement
(including any contraction, abbreviation, or simulation of any of the
foregoing).

26.3    Non-Exclusive Agreement

Nothing in this Agreement prevents either party from entering into similar
agreements or discussions with others, or developing, making, procuring,
marketing and/or maintaining products, now or in the future, which compete or
incorporate features that may be competitive with the Products included herein.

26.4 Independent Relationship of the Parties

Each party shall be responsible for its own employees. No employee of either
party shall be deemed an employee of the other party. Matters governing the
terms and conditions of the employment of any employee, such as supervision,
work schedules, wage rates, tax withholdings, and benefits, are exclusively the
responsibility of the employer of that employee.

Each party shall obtain appropriate agreements with its employees or others,
including subcontractors, whose services it may require, sufficient to enable
such party to comply with all the provisions of this Agreement.

Except as otherwise provided in this Agreement, each party shall bear its own
expenses incurred in connection with this Agreement, including those expenses
incurred prior to the Effective Date.

26.5    Representations and Warranties

Other than as expressly provided in this Agreement, neither party makes any
other representations or warranties nor assumes any liabilities in connection
with this Agreement.


                                       16


<PAGE>   21

26.6    Compliance with Laws and Regulations

26.6.1 Each party hereto shall comply with all applicable United States and
foreign laws, regulations and rules, including import and export laws, of all
governmental authorities having jurisdiction and will obtain all necessary
permits, licenses and consent of governmental authorities necessary for the
performance of this Agreement.

26.6.2 Each party understands that Products and the parties' technical
information/documentation related thereto are restricted from export by the
United States Government. Each party agrees that employees or agents will not
export or re-export (directly or indirectly) any such technical documentation
nor Products to any country specified in such regulations as a prohibited
destination.

26.7    Governing Law, Venue and Jury Trial Waiver

This Agreement and any agreement incorporated into it shall be construed in
accordance with the substantive laws of the State of New York, and by the
copyright and patent laws of the United States of America. Venue for any action
arising out of this Agreement shall be solely in the U.S. District Court of the
Northern District of California. Both parties waive their right to a jury trial
in any action arising out of or related to this Agreement.

26.8    Limitation of Liability and Exclusion of Consequential Damages

26.8.1 For all claims related to the performance or nonperformance of Products,
WDC's only remedies are (i) as provided in Section 14.0 (Product Inspection,
Acceptance and Warranty), or (ii) for IBM to repair or replace the Products, or
(iii) for IBM to grant WDC a credit for the affected Products at the current or
most recent price.

26.8.2 For all claims not covered by Section 26.8.1, IBM's liability for actual
damages for any cause whatsoever shall be limited to the greater of ___________
dollars ($______________) or ______________. This limitation will apply to all
claims regardless of the form of action, including without limitation contract,
negligence and other torts. This limitation will not apply to (i) the payments
referred to in Section 24.0 (Patents Indemnity), or (ii) claims by WDC for
bodily injury or damage to real or tangible personal property caused by the
Products and for which IBM is legally liable.

26.8.3 Except for any violations or any breaches of this Agreement pertaining to
IBM's intellectual property rights, neither party shall be liable for any
consequential, incidental, special or punitive damages arising out of or related
to this Agreement, including lost revenue, profits, or savings, whether the
claim is for breach of contract, warranty or tort (including negligence),
failure of a remedy to accomplish its purpose, or otherwise, even if notified in
advance of the possibility of such damages. Neither party shall be liable for
any third party claims against the other party for any losses or damages,
including without limitation, loss of or damage to records or data.

26.9    Force Majeure

A party to this Agreement shall be excused from the fulfillment of any
obligation under this Agreement for so long as such fulfillment shall be
hindered or prevented by any circumstances of force majeure such as, but not
limited to, acts of God, war, riot, strike, lockout, fire, flood, other natural
catastrophe, shortage of materials or transportation, national or local
government regulations, or any other

                                       17


<PAGE>   22

circumstances outside of its control. However, the affected party must promptly
notify the other party of the condition that delays or prevents its performance.
The affected party must also take reasonable steps to perform despite the
condition, or to correct or repair the condition that delays or prevents its
performance.

26.10   Agreement Interpretation

The title and headings in this Agreement are for convenient reference and are
not intended to change or supplement the meaning of the terms of this Agreement.
References to Sections of this Agreement followed by a single zero (0) shall
include the entire section of the Agreement including all subparts. References
to a number of days, weeks, months, or years, shall mean calendar days, weeks,
months, or years, unless otherwise stated. This Agreement shall be construed as
having been jointly drafted by both parties after meaningful negotiation.

26.11   Severability

If any provision of this Agreement is found by any governmental authority or
competent judicial authority to be invalid, illegal, or unenforceable in any
respect, and such invalidity, illegality or unenforceability affects the
economic benefits of this Agreement, the party affected by such action may
terminate this Agreement. If such action does not affect the economic benefits,
the remainder of such provisions shall survive to the extent they are not so
declared, and the validity, legality and enforceability of the other provisions
hereof shall not in any way be affected or impaired thereby, unless such action
would materially affect any of the rights or obligations of either party, in
which case either party may terminate the Agreement.

26.12   Survival

In addition to Sections of this Agreement where survival rights are specified,
the rights and obligations of Sections 7.0 (Order and Order Changes), 9.0 (Sales
Inside and Outside the United States), 11.0 (Payments and Invoices), 12.0
(Interest), 13.0 (Audit), 14.0 (Product Inspection and Warranty), 15.0 (Material
and Workmanship), 16.0 (Warranty Disclaimer), 22.0 (Service Support), 24.0
(Patent Indemnity), 26.2 (Publicity/Trademarks), 26.4 (Independent Relationship
of the Parties), 26.5 (Representations and Warranties), 26.6 (Compliance with
Laws and Regulations), 26.7 (Governing Law, Venue and Jury Trial Waiver), 26.8
(Limitation of Liability and Exclusion of Consequential Damages), 26.11
(Severability), 26.12 (Survival), 26.13 (Failure to Act), 26.16 (Sole Agreement
and Amendments) shall survive and continue after any expiration or termination
of this agreement and shall bind the parties and their legal representatives,
successors and assigns.

26.13   Failure to Act

Any delay or failure of a party to this Agreement to exercise any right, power,
remedy, or privilege hereunder, or failure to strictly enforce any breach,
violation, default, failure to perform, provision or condition shall not impair
any such right, power, remedy, or privilege, nor shall it constitute a waiver
thereof or acquiescence thereto unless explicit written notice is provided. Any
waiver, permit, consent, or approval of any kind regarding any breach,
violation, default, failure to perform, provision or condition of this Agreement
must be in writing and shall be effective only to the extent specifically set
forth in such writing. No partial waiver of any such right, power, privilege,
breach, violation, default,


                                       18


<PAGE>   23

failure to perform, provision or condition on any one occasion shall preclude
any other or further exercise thereof or constitute a waiver thereof or
acquiescence thereto on any subsequent occasion unless clear and express notice
thereof in writing is provided.

26.14   Prohibited Discussions

The parties affirm that their respective marketing policies or activities, or
pricing information with respect to Products or HDDs, relative to the subject
matter of this Agreement shall not be discussed or exchanged between them.

26.15   Dispute Resolution

The parties will attempt in good faith to promptly resolve any controversy or
claim arising out of or relating to this Agreement by negotiations between the
parties. If a controversy or claim should arise, the administrators of this
Agreement or their respective successors, or their superiors, will meet in
person or phone, as they decide, at least once and will attempt to resolve the
matter. Either Managing Coordinator of this Agreement may require the other to
meet within seven (7) days at a mutually agreed upon time and location.

If a matter has not been resolved within ten (10) days of their first meeting,
or a request for such meeting if no meeting occurs, the Managing Coordinators of
this Agreement will refer the matter to Senior Executives of the parties, who
shall have authority to settle the dispute. The Managing Coordinators of this
Agreement may prepare and exchange memoranda stating the issue(s) in dispute and
their positions, while summarizing the negotiations which have taken place
between the parties and attaching relevant documents, if appropriate. The Senior
Executives of the parties will either meet in person or discuss the matter by
telephone at a mutually agreed upon time and/or location.

If a dispute that does not involve or relate to WDC's use or disclosure of IBM
Technology or IBM Technical Information has not been resolved within fifteen
(15) days of the first meeting or discussion by the Senior Executives or fifteen
(15) days from the first request for such a meeting or discussion if no meeting
or discussion has occurred, then upon the request of either party within three
(3) days after such period, the parties will attempt to resolve such dispute by
submitting it to expedited mediation in accordance with the following paragraph
before the commencement of litigation.

If the parties cannot agree on a neutral mediator within three (3) days from
receipt of a request to mediate, either party can request the American
Arbitration Association appoint a neutral mediator with experience in the
computer industry. Each party agrees to cooperate fully with the mediator and
attempt to resolve the dispute. The proceedings of the mediator shall be
privileged as settlement discussions and shall not be admissible in any
subsequent litigation, and the proceedings and any suggestions or
recommendations by the mediator shall be non-binding. The mediator shall make no
records during the mediation and no report shall be issued. If the parties
cannot promptly resolve their differences to their mutual satisfaction within
fourteen (14) days of the request for mediation or after two (2) mediation
sessions, whichever occurs first, either party shall be free to pursue any and
all other remedies available to such party, including but not limited to,
litigation. Costs of the mediator will be born equally by the parties.


                                       19


<PAGE>   24

Under no circumstances shall either party attempt to use the process set forth
above for dispute resolution if the intended purpose of either party is
primarily to delay an action at law or in equity against the other party.
Notwithstanding anything to the contrary, nothing in the process set forth above
shall prevent: (i) either party from issuing notices or other required
communications prior to or during the dispute resolution process, (ii) IBM from
seeking immediate injunctive relief for a dispute that involves or relates to
WDC's use or disclosure of IBM Technology or IBM Technical Information, or (iii)
either party from terminating this Agreement. If IBM seeks immediate injunctive
relief, the parties may submit the matter involving IBM's request for injunctive
relief to expedited mediation in accordance with the immediately preceding
paragraph.

26.16   Sole Agreement and Amendments

The terms of this Agreement, and any agreements incorporated herein or
referenced or any agreements to which this agreement is an attendant, are the
complete and exclusive statement of the agreement between the parties on this
subject matter. They supersede any prior or contemporaneous oral or written
statements, agreements, or representations relating to the subject matter of
this Agreement.

The terms and conditions of the main body of this Agreement shall control and
prevail over any inconsistent or contradictory term or condition in any Exhibits
to this Agreement or in any purchase order, shipping document, invoice or
similar document passing between the parties pursuant to this Agreement;
provided, however, that if an Exhibit or other agreement signed by WDC and IBM
explicitly indicates that one or more terms thereof supersede identified
provisions of this Agreement, such terms in such Exhibit or other agreement
shall prevail.

The parties understand that there are no other oral or written collateral
promises, representations, agreements, or understandings other than those
expressly stated in this Agreement. Each party warrants that there were no
inducements, express or implied, relied upon as a condition of entry into this
Agreement.

This Agreement may not be changed or supplemented except by a separate written
amendment signed by an authorized representative of each party. No conflicting
or additional terms in any purchasing acknowledgment, or other form not
specifically incorporated by reference into this Agreement shall be considered
part of this Agreement. Any such terms are void and shall be treated as having
been objected to by the parties.

27.0    Execution

More than one counterpart of this Agreement may be executed by the parties, and
each fully executed counterpart shall be deemed an original. WDC and IBM
indicate their agreement to the terms of this Agreement by their authorized
representatives signing below.


                                       20

<PAGE>   25

INTERNATIONAL BUSINESS MACHINES             WESTERN DIGITAL CORPORATION
CORPORATION

By:     /s/ JAMES R. BOOTH                  By:    /s/ A. KEITH PLANT
        ----------------------------               -----------------------------
Name:   James R. Booth                      Name:  A. Keith Plant

Title:  Vice President, Worldwide           Title: Vice President, Business
        Materials                                  Development

Date:   June 7, 1998                        Date:  June 7, 1998


                                       21

<PAGE>   26

                                          ======================================
                                                      CONFIDENTIAL.
                                          CERTAIN INFORMATION HAS BEEN REDACTED.
                                             CONFIDENTIAL TREATMENT REQUESTED.
                                          ======================================


                                    EXHIBIT 1

                               Pricing and Volumes

1.0  PRICE:

The prices outlined in this Exhibit are for the purchase of Products:

[Deleted]

1.1.1   Initial Payment

The Program Quarter prices for Phase 1 HGAs for both [Product A] and [Product B]
are as follows:

[Deleted]

1.1.2   Subsequent Payments

1.1.2.1 WDC shall also make a subsequent payment to IBM ("Subsequent Payments"),
as set forth below, based on all net revenues, as determined in accordance with
generally accepted accounting principles, that are obtained by WDC from the sale
and lease or other distribution of WDC's 3.5" form factor, desktop HDD products
which are developed, manufactured or qualified that contain IBM HGAs under this
Agreement.

1.1.2.2 The amount of the Subsequent Payment shall be calculated as the greater
of: (i) _______ percent (____%) in the aggregate, or (ii) the percentages set
forth in the table below; of all net revenues, as determined in accordance with
generally accepted accounting principles, that are obtained by WDC from the sale
and lease or other distribution of WDC's 3.5" form factor, desktop HDD products,
which are developed, manufactured or qualified with IBM's HGAs under this
Agreement. Such Subsequent Payment shall be paid by WDC to IBM on a monthly
basis in the manner and pursuant to the schedule set forth in Section 1.1.2.3
below:

        [Table Deleted]

1.1.2.3 WDC shall pay to IBM the Subsequent Payments set forth in Section
1.1.2.2 in accordance with the following payment schedule:

        [Deleted]

1.2. Program Quarter prices for non-HGA materials and agreed upon mechanical
components: PQ prices - TBD

1.3. Program Quarter prices for PCBAs with 3-piece Chip Set (____________),
excluding flash for both [Product A] and [Product B] are as follows:

        [Table Deleted]


<PAGE>   27


1.4. Program Quarter prices for Phase 1 for 3-piece Chip Set (___________),
assuming PCBA is not sold by IBM with the 3-piece Chip Set to WDC for both
[Product A] and [Product B] are as set forth in the IMD Agreement.

1.5. Program Quarter average prices for Arm Electronics (Phase 1) Price for both
[Product A] and [Product B] are as follows: [Deleted]

1.6. Prices and quantities for prototype [Product A] and [Product B] Assembly
Kits are as follows:

[Deleted]

2.0 Payments

All payments that are to be made by WDC to IBM under this Agreement including
Subsequent Payments on any sales and leases of WDC's 3.5" form factor, desktop
Products, shall be nonrefundable. All payments shall be made in accordance with
the payment terms of this Agreement and as further described in Section 11.0
(Payments and Invoices) of the Agreement.

3.0 Volumes:

3.1 [Deleted]

3.2 WDC projected HGA Volume orders (in millions) are as follows:

[Deleted]



                                       2

<PAGE>   28

                                          ======================================
                                                      CONFIDENTIAL.
                                          CERTAIN INFORMATION HAS BEEN REDACTED.
                                             CONFIDENTIAL TREATMENT REQUESTED.
                                          ======================================


                                    EXHIBIT 2



                                    [Deleted]






<PAGE>   1
 
                                                                      EXHIBIT 21
 
                          WESTERN DIGITAL CORPORATION
                          SUBSIDIARIES OF THE COMPANY
 
<TABLE>
<CAPTION>
                       NAME                               JURISDICTION
                       ----                               ------------
<S>                                                <C>
Western Digital Ireland, Ltd...................... Cayman Islands
Western Digital (Malaysia) SDN BHD................ Malaysia
Western Digital (Deutschland) GmbH................ Federal Republic of Germany
Western Digital (France) S.a.r.l.................. France
Western Digital Japan Ltd......................... Japan
Western Digital (U.K.) Limited.................... United Kingdom
Western Digital Canada Corporation................ Canada
Western Digital (Singapore) Pte Ltd............... Singapore
Western Digital Taiwan Co., Ltd................... Taiwan, Republic of China
Western Digital Hong Kong Limited................. Hong Kong
Western Digital Netherlands B.V................... The Netherlands
Western Digital (S.E. Asia) Pte Ltd............... Singapore
Western Digital (I.S.) Limited.................... Ireland
Western Digital (Tuas-Singapore) Pte Ltd.......... Singapore
Pacifica Insurance Corporation.................... Hawaii
</TABLE>

<PAGE>   1
 
                                                                      EXHIBIT 23
 
                        CONSENT OF INDEPENDENT AUDITORS
 
The Board of Directors
Western Digital Corporation:
 
     We consent to the incorporation by reference in the Registration Statements
(Nos. 2-76179, 2-97365, 33-57953, 33-9853, 33-15771, 33-60166, 33-60168,
33-51725, 333-20359, 333-31487, 333-41423 and 333-42991) on Form S-8 of Western
Digital Corporation and in Registration Statement No. 333-52463 on Form S-3 of
Western Digital Corporation of our report dated July 27, 1998, relating to the
consolidated balance sheets of Western Digital Corporation as of June 28, 1997
and June 27, 1998, and the related consolidated statements of operations,
shareholders' equity and cash flows for each of the years in the three-year
period ended June 27, 1998, and the related schedule, which report appears in
the June 27, 1998 Annual Report on Form 10-K of Western Digital Corporation.
 
                                          KPMG PEAT MARWICK LLP
 
Orange County, California
September 1, 1998

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED STATEMENTS OF OPERATIONS AND BALANCE SHEETS OF WESTERN DIGITAL 
CORPORATION AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH ANNUAL
REPORT ON FORM 10-K FOR THE YEAR ENDED JUNE 27, 1998.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          JUN-27-1998
<PERIOD-START>                             JUN-29-1997
<PERIOD-END>                               JUN-27-1998
<CASH>                                         459,830
<SECURITIES>                                         0
<RECEIVABLES>                                  384,939
<ALLOWANCES>                                    15,926
<INVENTORY>                                    186,516
<CURRENT-ASSETS>                             1,052,122
<PP&E>                                         601,253
<DEPRECIATION>                                 254,266
<TOTAL-ASSETS>                               1,442,688
<CURRENT-LIABILITIES>                          588,579
<BONDS>                                        519,188      
                                0
                                          0
<COMMON>                                           883
<OTHER-SE>                                     316,875
<TOTAL-LIABILITY-AND-EQUITY>                 1,442,688
<SALES>                                      3,541,525
<TOTAL-REVENUES>                             3,541,525
<CGS>                                        3,441,475
<TOTAL-COSTS>                                3,441,475
<OTHER-EXPENSES>                               395,875
<LOSS-PROVISION>                                 4,674
<INTEREST-EXPENSE>                               3,817
<INCOME-PRETAX>                               (292,008)
<INCOME-TAX>                                    (1,791)
<INCOME-CONTINUING>                           (290,217) 
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (290,217) 
<EPS-PRIMARY>                                    (3.32) 
<EPS-DILUTED>                                    (3.32) 
        

</TABLE>


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