KOMAG INC /DE/
DEF 14A, 1999-04-30
MAGNETIC & OPTICAL RECORDING MEDIA
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                                  SCHEDULE 14A
                                 (Rule 14a-101)

                     INFORMATION REQUIRED IN PROXY STATEMENT
                            SCHEDULE 14A INFORMATION

           PROXY STATEMENT PURSUANT TO SECTION 14(A) OF THE SECURITIES
                     EXCHANGE ACT OF 1934 (AMENDMENT NO. __)

Filed by the Registrant                       [X]
Filed by a party other than the Registrant    [ ]

Check the appropriate box:
[ ]  Preliminary Proxy Statement           [ ]  Confidential, for Use of the
[X]  Definitive Proxy Statement                 Commission Only (as permitted by
[ ]  Definitive Additional Materials            Rule 14a-6(e)(2))
[ ]  Soliciting Material Pursuant to
     Rule 14a-11(c) or Rule 14a-12


                               KOMAG, INCORPORATED
           ----------------------------------------------------------
    (Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of filing fee (Check the appropriate box):

[X]     No fee required.
[ ]     Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.

(1)     Title of each class of securities to which transactions applies:

(2)     Aggregate number of securities to which transactions applies:

(3)     Per unit  price  or  other  underlying  value  of  transaction  computed
        pursuant  to  Exchange  Act Rule 0-11 (set forth the amount on which the
        filing fee is calculated and state how it was determined):

(4)     Proposed maximum aggregate value of transaction:

(5)     Total fee paid:

        [ ]      Fee paid previously with preliminary materials.

        [ ]      Check  box if any  part of the fee is  offset  as  provided  by
                 Exchange Act Rule  0-11(a)(2) and identify the filing for which
                 the offsetting fee was paid  previously.  Identify the previous
                 filing  by  registration  statement  number,  or  the  Form  or
                 Schedule and the date of its filing.

(1)     Amount previously paid:

(2)     Form, Schedule or Registration Statement No.:

(3)     Filing party:

(4)     Date filed:


<PAGE>

[GRAPHIC OMITTED]

                                    NOTICE OF

                               1999 ANNUAL MEETING

                                 OF STOCKHOLDERS

                                       AND

                                 PROXY STATEMENT


                            Beneficial  owners of stock  held by banks,  brokers
                            or  investments  plans (in "street  name") will need
                             proof of ownership  to be admitted to the  meeting.
                              A recent  brokerage  statement or letter from your
                                      broker are examples of proof of ownership.

<PAGE>

                               KOMAG, INCORPORATED
                             1704 Automation Parkway
                           San Jose, California 95131

                    NOTICE OF ANNUAL MEETING OF STOCKHOLDERS
                             TO BE HELD MAY 25, 1999


         The annual  meeting of  stockholders  (the  "Annual  Meeting" of Komag,
Incorporated) (the "Company") will be held at Komag,  Incorporated,  Building 9,
1705 Automation Parkway, San Jose,  California,  95131 on Tuesday, May 25, 1999,
at 10:00 a.m. for the following purposes:


         1.       To elect the Board of Directors for the following year.

         2.       To approve an amendment to the Company's  1988 Employee  Stock
                  Purchase  Plan to increase  the number of shares  reserved for
                  issuance thereunder by 2,550,000 shares.

         3.       To approve a proposal for the sale and issuance by the Company
                  from time to time of up to $250  million  of  Common  Stock or
                  securities   convertible   into   Common   Stock  in   private
                  transactions  through  October  1, 2000 at a price  below book
                  value but at or above  the then  current  market  price of the
                  Common Stock.

         4.       To amend the  Company's  Restated  1987 Stock  Option  Plan to
                  increase  the  number  of  stock  options  to  be  granted  to
                  re-elected  non-employee  Board  members  under the  Company's
                  Automatic  Option Grant  Program  from 7,500 to 12,000  shares
                  annually.

         5.       To ratify the  appointment of Ernst & Young LLP as independent
                  auditors of the Company for the fiscal year ending  January 2,
                  2000.

         6.       To transact  such other  business as may properly  come before
                  the meeting or any adjournment thereof.

         The foregoing  items of business are more fully  described in the Proxy
Statement  accompanying  this  Notice.  Stockholders  of  record at the close of
business on March 29, 1999 will be  entitled  to vote at the Annual  Meeting.  A
list of  stockholders  entitled to vote at the Annual  Meeting will be available
for  inspection at the offices of the Company.  If you attend the Annual Meeting
and vote by ballot, your proxy will be revoked  automatically and only your vote
at the Annual  Meeting  will be  counted.  The prompt  return of your proxy will
assist us in preparing for the Annual Meeting.

         All stockholders are cordially invited to attend the Annual Meeting.  A
map to  Komag's  location  is  included  at the end of the Proxy  Statement  for
reference.

                                        BY ORDER OF THE BOARD OF DIRECTORS

                                        Stephen C. Johnson,
                                        President and Chief Executive Officer

                                        Tu Chen,
                                        Chairman of the Board

San Jose, California
April 16, 1999


IMPORTANT:  WHETHER OR NOT YOU PLAN TO ATTEND THE MEETING, YOU ARE REQUESTED TO
            VOTE PROMPTLY ON THE ENCLOSED PROXY.
<PAGE>

                                TABLE OF CONTENTS

General ...................................................................    1

Principal Stockholders ....................................................    2

Stock Ownership Table .....................................................    3

Item No. 1 - Election of Directors ........................................    4

Nominees ..................................................................    5

Committees and Meetings of the Board of Directors .........................    6

Director Remuneration .....................................................    7

Item No. 2 - Approval of Amendment to the
             1998 Employee Stock Purchase Plan ............................    8

Item No. 3 - Financing ....................................................   13

Item No. 4 - Approval of Amendment to the
             Restated 1987 Stock Option Plan ..............................   15

Item No. 5 - Ratification of Independent Auditors .........................   22

Executive Compensation and Related Information ............................   22

Stock Performance Graph ...................................................   26

Summary Compensation Table.................................................   27

Options Grant Table .......................................................   29

Option Exercises and Year-End Value Table .................................   31

Option Regrant Program.....................................................   32

Compliance with Section 16(a) Beneficial Ownership Reporting ..............   34

Other Business ............................................................   34

Stockholder Proposals......................................................   35

Appendices ................................................................  A-1


A copy of the  Annual  Report  to  Stockholders  of Komag,  Incorporated,  which
includes financial  statements,  is being mailed with this Proxy Statement.  You
may receive an additional copy of the Annual Report to Stockholders at no charge
upon request directed to:

                               Komag, Incorporated
                            Attn: Investor Relations
                             1704 Automation Parkway
                           San Jose, California 95131

  Financial Information may also be accessed on our Web site at: www.komag.com

<PAGE>

                               KOMAG, INCORPORATED
                             1704 Automation Parkway
                           San Jose, California 95131


                                 PROXY STATEMENT
                     FOR THE ANNUAL MEETING OF STOCKHOLDERS
                             TO BE HELD MAY 25, 1999



                                     GENERAL

         The enclosed  proxy is solicited on behalf of the Board of Directors of
Komag,  Incorporated,  a Delaware  corporation (the  "Company"),  for use at the
Annual  Meeting to be held on May 25,  1999.  The Annual  Meeting  will begin at
10:00 a.m. at Komag,  Incorporated,  Building 9, 1705  Automation  Parkway,  San
Jose,  CA 95131.  Stockholders  of record on March 29,  1999 will be entitled to
notice of and to vote at the Annual Meeting.

         This Proxy  Statement and  accompanying  proxy (the "Proxy") were first
mailed to stockholders on or about May 4, 1999.


Voting

         Your vote is  important.  Because many  stockholders  cannot attend the
meeting,  it is  necessary  that a large  number be  represented  by  proxy.  As
described in more detail below,  if you are a stockholder of record you may vote
four ways:  (1) by attending  the  meeting,  (2) by using the  toll-free  number
listed on the proxy card, (3) by voting on the Internet at the address listed on
the proxy card, or (4) by marking,  signing,  dating,  and mailing your proxy in
the envelope provided.

         On March 29, 1999, the record date for  determination  of  stockholders
entitled to vote at the Annual Meeting,  there were 53,920,660  shares of Common
Stock  outstanding.  Each stockholder is entitled to one (1) vote for each share
of  Common  Stock  held by such  stockholder.  Directors  will be  elected  by a
plurality vote. Other matters submitted for stockholder  approval at this Annual
Meeting  will be decided  by the  affirmative  vote of a majority  of the shares
present or  represented  and entitled to vote on each such  matter.  Abstentions
with respect to any matter  other than the election of directors  are treated as
shares present or  represented  and have the same effect as negative  votes.  If
shares are not voted by the broker who is the record holder of the shares, or if
shares  are not  voted  in  other  circumstances  in which  proxy  authority  is
defective  or has been  withheld  with  respect to any matter,  these  non-voted
shares are not deemed to be present or  represented  for purposes of determining
whether stockholder approval of that matter has been obtained.  Each stockholder
voting for the election of directors may cumulate such stockholder's vote. Under
cumulative voting, a stockholder is allowed one (1) vote per share multiplied by
the number of  directors to be elected  (nine (9) at this  meeting) and may cast
such cumulative total for one (1) nominee or may distribute such number among as
many nominees as such stockholder chooses.


Revocability of Proxies

         Any person giving a proxy has the power to revoke it at any time before
its exercise. A proxy may be revoked by filing with the Secretary of the Company
at the Company's principal executive office, 1704 Automation Parkway,  San Jose,
California,  95131,  a notice of revocation or another signed proxy with a later
date.  You may also revoke your proxy by attending the Annual Meeting and voting
in person.

                                       1
<PAGE>

Solicitation

         The Company will bear the entire cost of  solicitation,  including  the
preparation,  assembly,  printing  and mailing of this Proxy  Statement  and any
additional   soliciting   materials   furnished  to   stockholders.   Copies  of
solicitation materials will be furnished to brokerage houses,  fiduciaries,  and
custodians  holding shares in their names that are beneficially  owned by others
so that they may forward these solicitation materials to such beneficial owners.
In  addition,  the  Company  may  reimburse  such  persons  for  their  costs of
forwarding the solicitation  materials to such beneficial  owners.  The original
solicitation  of  proxies  by  mail  may  be  supplemented  by  solicitation  by
telephone,  telegram or other means by directors,  officers, employees or agents
of the Company. No additional compensation will be paid to these individuals for
any such  services.  Except as described  above,  the Company does not presently
intend to solicit proxies other than by mail.


Principal Stockholders

<TABLE>
         The following table sets forth certain information known to the Company
regarding the  ownership of the Company's  Common Stock per Schedule 13G filings
prior to March 29, 1999 for all persons who are known to be beneficial owners of
five percent or more of the Company's Common Stock.

<CAPTION>
   Name and Address of                                                                          Percent
   Beneficial Owner                Amount and Nature of Beneficial Ownership                    of Class
   ----------------                -----------------------------------------                    --------

<S>                                <C>                                                            <C>
Franklin Resources, Inc.           5,135,385                                                      9.5%
777 Mariners Island Boulevard
San Mateo, CA  94404               (sole  voting  power  and   dispositive   power  as  to
                                   4,557,900  shares  by  Franklin  Advisers,  Inc.;  sole
                                   voting power as to 90,000  shares and sole  dispositive
                                   power  as  to  485,000  shares  by  Franklin   Advisory
                                   Services,  Inc.;  sole  dispositive  power as to 92,485
                                   shares by Franklin  Management,  Inc.  per  February 2,
                                   1999 Schedule 13G filing)

First  Pacific Advisors, Inc.      2,780,000                                                      5.2%
11400 W. Olympic Blvd., #1200
Los Angeles, CA 90064              (sole   voting  power  as  to  837,600   shares;   sole
                                   dispositive  power as to 2,780,000  shares per February
                                   12, 1999 Schedule 13G filing).
</TABLE>

                                            2
<PAGE>

Stock Ownership Table


         The table  below  indicates  the number of shares of the  Corporation's
common stock beneficially owned as of March 29, 1999 by directors,  the nominees
recommended by the Nominating  Committee and nominated by the Board of Directors
for election as directors,  by each of the current executive  officers listed in
the Summary Compensation Table below, and by all current directors and executive
officers as a group.  Except as otherwise noted, each person has sole investment
and  voting  powers  with  respect to the shares  shown as  beneficially  owned.
Ownership  information  is based upon  information  furnished by the  respective
individuals.


                DIRECTORS, NOMINEES AND NAMED EXECUTIVE OFFICERS


                                                 Shares Beneficially Owned(9)
                                                 ----------------------------
         Name                                      Number        Percentage
         ----                                      ------        ----------

Tu Chen ...................................        493,424            *

Stephen C. Johnson(1) .....................        298,214            *

Craig R. Barrett(2)(3) ....................         95,500            *

Chris A. Eyre(2) ..........................         54,500            *

Irwin Federman(4) .........................        115,371            *

George A. Neil(5) .........................         40,500            *

Max Palevsky(2) ...........................        119,627            *

Michael R. Splinter .......................           --

Anthony Sun(2) ............................        127,310            *

Masayoshi Takebayashi(6)(7) ...............         47,750            *

Thian H. Tan ..............................         35,442            *

Christopher H. Bajorek ....................         33,392            *

Ray Martin ................................           --

Current executive officers and
directors as a group (21 persons)(8) ......      1,586,870            2.9%

*   Less than 1%

                                            3
<PAGE>

(1)  Includes  88,150 shares subject to options which are currently  exercisable
     or which will  become  exercisable  within  sixty (60) days after March 29,
     1999.

(2)  Includes  53,500 shares subject to options which are currently  exercisable
     or which will  become  exercisable  within  sixty (60) days after March 29,
     1999.

(3)  Mr.  Barrett is a current  director and intends to retire from the board by
     May 25, 1999.

(4)  Includes  24,500 shares subject to options which are currently  exercisable
     or which will  become  exercisable  within  sixty (60) days after March 29,
     1999.

(5)  Includes  39,500 shares subject to options which are currently  exercisable
     or which will  become  exercisable  within  sixty (60) days after March 29,
     1999.

(6)  Includes  27,750 shares subject to options which are currently  exercisable
     or which will  become  exercisable  within  sixty (60) days after March 29,
     1999.

(7)  Excludes  shares  held by Kobe  Steel,  Ltd.  and Kobe  Steel USA  Holdings
     Incorporated.  Mr.  Takebayashi is an Executive  Officer of Kobe Precision,
     Incorporated,  a wholly-owned  subsidiary of Kobe Steel,  Ltd., and on such
     basis  may be  deemed,  under  the 1934 Act,  the  beneficial  owner of the
     2,000,002 shares beneficially owned by such corporations with shared voting
     and  investment  power with  respect  thereto.  Mr.  Takebayashi  disclaims
     beneficial ownership of these shares.

(8)  Includes 423,336 shares subject to options which are currently  exercisable
     or which will  become  exercisable  within  sixty (60) days after March 29,
     1999.

(9)  Some of the  individuals  may share  voting power with regard to the shares
     listed herein with their spouses.


                                  ITEM NO. 1 --
                              ELECTION OF DIRECTORS

         The Bylaws of the Company  provide that the Board of Directors shall be
comprised of between eight (8) and twelve (12) directors,  with the exact number
to be fixed by the Board.  During the 1998  fiscal year the Board  consisted  of
nine (9) members.  The Board has set the number of directors as nine (9) for the
coming year. At the Annual Meeting,  nine (9) directors will be elected to serve
until the Company's next Annual  Meeting and until their  successors are elected
and qualified.  The Board of Directors has selected nine (9) nominees, eight (8)
of whom are current directors of the Company, and one new nominee.

          Each person nominated for election has agreed to serve if elected, and
management  has no reason to believe  that any nominee  will be  unavailable  to
serve.  Unless  otherwise  instructed,  the proxy  holders will vote the proxies
received by them FOR the nominees named below. The nine (9) candidates receiving
the highest  number of affirmative  votes of the shares  entitled to vote at the
Annual Meeting will be elected directors of the Company.


Recommendation of the Board of Directors

         The Board of Directors  recommends that the  stockholders  vote FOR the
election of each of the following  nominees to serve as directors of the Company
for the  ensuing  year  until  the  next  Annual  Meeting  at which  time  their
successors are elected and qualified.

                                       4
<PAGE>

Director Nominees

<TABLE>
         Set  forth  below  is  information  regarding  the  director  nominees,
including  information furnished by them as to principal  occupations,  business
experience,  certain other directorships held by them, any arrangements pursuant
to which they were selected as directors or nominees.

<CAPTION>
                                                                                                          Year
                                                                                                      First Elected
Nominees                                                                                      Age        Director
- --------                                                                                      ---        --------

<S>                                       <C>                                                  <C>        <C>
Tu Chen.............................      Chairman of the Board of the Company                 64         1983

Stephen C. Johnson..................      President and Chief Executive Officer of the         56         1983
                                             Company

Chris A. Eyre.......................      Private Investor                                     52         1983


Irwin Federman......................      General Partner, U.S. Venture Partners               63         1983


George A. Neil......................      Consultant to Asahi Glass America, Incorporated      61         1994


Max Palevsky........................      Private Investor                                     74         1984

Michael R. Splinter.................      Senior Vice President & General Manager,             58          --
                                             Technology and Manufacturing Group,
                                             Intel Corporation

Anthony Sun.........................      General Partner, Venrock Associates                  46         1983


Masayoshi Takebayashi ..............      President, Chief Executive Officer,                  64         1992
                                             Kobe Precision, Incorporated
</TABLE>


         Dr.  Chen is a founder of the Company and has served as Chairman of the
Board of the Company from its inception in June 1983. From 1971 to June 1983, he
was a Member, Research Staff and principal scientist at Xerox Corporation's Palo
Alto  Research  Center.  From 1968 to 1971,  Dr. Chen was employed as a research
scientist for Northrop Corp. Dr. Chen is a director of Asahi Komag Co. Ltd., and
Headway Technologies, Incorporated.

         Mr.  Johnson is a founder of the Company  and has served as  President,
Chief Executive Officer and a director of the Company since September 1983. From
1977  to  1983,  Mr.  Johnson  was  an  officer  of  Boschert  Incorporated,   a
manufacturer of switching power supplies, initially as Vice President, Marketing
and  subsequently  as President and Chief  Executive  Officer.  Mr. Johnson is a
director of Asahi Komag Co. Ltd., Dastek Holding Company,  Dastek (M) Sdn. Bhd.,
Komag Distribution Company, Komag Asia-Pacific,  Incorporated,  Komag Technology
(N) B.V., Komag  Netherlands  Antiles N.V.,  Exabyte  Corporation,  and Uniphase
Corporation.

         Mr. Eyre has served as a director of the Company since  September 1983.
Mr. Eyre is a private investor and from 1980 to 1987 served as a general partner
of Merrill,  Pickard,  Anderson & Eyre, a general  partnership  which  manages a
series of venture capital partnerships.

         Mr.  Federman has served as a director of the Company  since  September
1983.  In April 1990,  Mr.  Federman  joined U.S.  Venture  Partners,  a general
partnership which manages a series of venture capital partnerships, as a general
partner.  From  February  1988 to March 1990,  Mr.  Federman  served as Managing
Director  of  Dillon,  Read  &  Co.  Incorporated,  an  investment  banking  and
securities  firm.  From 1979 until August 1987,  Mr.  Federman was President and
Chief Executive Officer of Monolithic Memories,  Incorporated.  Mr. Federman was
elected  Vice  Chairman of the Board of  Directors  of Advanced  Micro  Devices,
Incorporated ("AMD") when

                                       5
<PAGE>

Monolithic  Memories  merged with AMD, and served in that capacity until January
1988. He is also a director of Western Digital Corporation, SanDisk Corporation,
Checkpoint  Software  Technologies,   Ltd.,  Neomagic,   Incorporated,  and  MMC
Networks, Inc.

         Mr. Neil has served as Consultant to Asahi Glass America,  Incorporated
since  January  1997.  From 1990  through  1996,  Mr. Neil served as Senior Vice
President of Asahi Glass America, Incorporated. From March 1989 to January 1990,
Mr. Neil held several  executive  positions at various ceramic  companies.  From
August  1986  to  July  1990,  Mr.  Neil  was a  consultant  and  President  for
Thunderbird  Technologies,  a  company  specializing  in  high-speed,  low power
integrated  circuits.  From October 1961 to May 1986, Mr. Neil served in various
management  positions  with  Corning,  Incorporated,  including  Executive  Vice
President of Iwaki Glass and President of Corning Japan.

         Mr.  Palevsky  has served as a director of the Company  since  November
1984.  He was a member of the  Governing  Board of the  Institute  for  Advanced
Study, Princeton, New Jersey. Mr. Palevsky retired as a director and Chairman of
the Executive  Committee of Xerox Corporation in 1972. He is a director emeritus
of Intel Corporation.

         Mr. Splinter is nominated for election to the Board of Directors of the
Company  to be voted on at the  Annual  Meeting  of  Stockholders  in 1999.  Mr.
Splinter has served as Senior Vice President & General Manager of the Technology
and  Manufacturing  Group of Intel  Corporation since January 1999. Mr. Splinter
joined Intel's management team in 1984, was elected  vice-president in 1993, and
assumed the role of Assistant  General  Manager of the Technology  Manufacturing
Group in October 1996.  Prior to joining Intel,  Mr.  Splinter held a management
position with Rockwell International. Mr. Splinter is a director of SEMATECH and
Ayurcore Corporation.

         Mr. Sun has served as a director of the Company since  September  1983.
Since 1979, he has been  associated with Venrock  Associates,  a venture capital
partnership, and has been a general partner since 1980. Mr. Sun is a director of
3Dfx Interactive  Corporation,  Cognex Corporation,  Phoenix  Technologies Ltd.,
Worldtalk Communications Corporation, and several privately held companies.

         Mr. Takebayashi has served as a director of the Company since May 1992.
Since September 1964, he has served in various  positions with Kobe Steel,  Ltd.
and its  subsidiaries,  most recently as President,  Chief Executive  Officer of
Kobe Precision,  Incorporated,  a wholly-owned  subsidiary of Kobe Steel,  Ltd.,
since  January  1988.  From  January 1986 to December  1988,  he was the General
Manager, International Marketing and Sales Overseas Department of the Aluminum &
Copper Division of Kobe Steel, Ltd. He is a member of the board of directors for
Kobe  Precision  Technology  Malaysia,  Sdn.  Bhd., and a member of the Board of
Directors  of Komag  Material  Technology,  Incorporated.  Mr.  Takebayashi  was
selected as a nominee pursuant to the terms of a Common Stock Purchase Agreement
between the Company and Kobe Steel USA Holdings Incorporated.


Committees and Meetings of the Board of Directors

         During the fiscal year ended  January 3, 1999,  the Board of  Directors
held seven (7)  meetings.  During this  period,  each of the  directors,  except
Messrs.  Palevsky,  Sun  and  Federman  attended  or  participated  in at  least
seventy-five  percent  (75%) of the  aggregate  number  of  Board  of  Directors
meetings and committee  meetings of the Board on which he served.  Mr.  Palevsky
attended  two (2)  Board  of  Directors  meetings  and  four  (4) of the six (6)
meetings of  committees  on which he serves;  Mr. Sun attended four (4) Board of
Directors meetings and three (3) of the four (4) meetings of committees on which
he serves;  Mr. Federman attended five (5) Board of Directors  Meetings and four
(4) of the six (6) meetings of committees on which he serves.

         The  Company  has  five  standing  committees:  an Audit  Committee,  a
Compensation  Committee,  a Primary  Stock Option Plan  Committee,  a Nominating
Committee, and a Special Stock Option Plan Administration Committee.

         The Audit Committee is primarily responsible for approving the services
performed by the Company's  independent  auditors and  reviewing  reports of the
Company's auditors regarding the Company's  accounting  practices

                                       6
<PAGE>

and systems of internal  accounting  controls.  The Audit Committee formally met
four (4) times during the last fiscal year. This Committee currently consists of
Messrs. Eyre, Neil and Sun.

         The Compensation  Committee  reviews and approves the Company's general
compensation  policies and sets compensation  levels for the Company's executive
officers. This Committee currently consists of Dr. Barrett and Messrs. Federman,
Palevsky  and  Takebayashi.  During  fiscal  1998,  the  Compensation  Committee
formally met two (2) times.

         The Primary Stock Option Plan Committee  administers the  discretionary
option grant  program of the  Company's  Restated 1987 Stock Option Plan and the
Company's 1997 Supplemental  Stock Option Plan (the "Option Plans") with respect
to the Company officers who are subject to the short-swing  profit  restrictions
of the federal  securities  laws. The Committee also  administers  the Company's
Employee Stock Purchase Plan. This Committee  currently  consists of Dr. Barrett
and Messrs.  Federman and Palevsky.  The Primary Stock Option Plan Committee met
three (3) times during the last fiscal year.

         The Nominating  Committee is responsible for recommending  nominees for
members of the Company's Board of Directors.  This Committee  currently consists
of Dr. Chen, and Messrs.  Eyre,  Johnson,  Neil and  Takebayashi,  with Dr. Chen
serving as  Chairman.  This  Committee  met on March 18,  1998.  The  Nominating
Committee has not  instituted  proceedings to consider  nominees  recommended by
security holders, but may do so in the future.

         The Special Stock Option Plan Administration  Committee (the "Secondary
Committee")  has separate but  concurrent  jurisdiction  with the Primary  Stock
Option Plan  Committee to administer the  discretionary  option grant program of
the Option Plans with respect to non-officer  employees.  The option grants made
by the Secondary  Committee will comply with certain  guidelines  established by
the Primary  Stock Option Plan  Committee.  The  Secondary  Committee  currently
consists  of Dr.  Chen and Mr.  Johnson  and  performs  its duties on an ongoing
basis.


Director Remuneration

         Non-employee  Board  members  receive  $4,500 per fiscal  quarter and a
$1,000  meeting  fee for each  Board of  Directors  meeting  or Board  Committee
meeting attended, including telephonic meetings.  Non-employee Board members are
also eligible to receive periodic option grants under the Automatic Option Grant
Program in effect for them under the Option  Plans.  Each  individual  who first
becomes  a  non-employee   Board  member,   whether  through   election  by  the
stockholders  or  appointment  by the Board,  will receive,  at the time of such
initial election or appointment,  a stock option grant to purchase 30,000 shares
of  Common  Stock.  On the  date  of  each  Annual  Stockholders  Meeting,  each
individual  who is  re-elected  as a  non-employee  Board member will receive an
option to purchase 12,000 shares of Common Stock,  assuming stockholder approval
of Item No. 4, provided such individual has served on the Board for at least six
months.  Each option grant will have an exercise  price equal to the fair market
value of the option shares on the grant date and will have a maximum term of ten
years,  subject to earlier  termination  upon the optionee's  cessation of Board
service.

         Each  non-employee  director  re-elected  at the  1998  Annual  Meeting
(Messrs.  Barrett, Eyre, Federman, Neil, Palevsky, Sun and Takebayashi) received
at that  time an option to  purchase  7,500  shares  with an  exercise  price of
$10.625 per share. Each option will become exercisable for all the option shares
upon the  optionee's  completion of one year of  non-employee  director  service
measured  from the grant  date.  However,  the option  will  become  immediately
exercisable  for all of the option shares upon an  acquisition of the Company by
merger,  consolidation or asset sale or upon certain other changes in control or
ownership of the Company.  Upon the  successful  completion of a hostile  tender
offer for more than 50% of the Company's outstanding Common Stock, each of these
options will automatically be canceled, and each optionee will in return receive
a cash  distribution  from the Company in an amount per  canceled  option  share
equal to the excess of (i) the highest  reported price per share of Common Stock
paid in the tender offer over (ii) the option exercise price payable per share.

                                       7
<PAGE>

                       ITEM NO. 2 -- APPROVAL OF AMENDMENT
                      TO 1988 EMPLOYEE STOCK PURCHASE PLAN

Introduction

         The  stockholders  are being  asked to vote on a proposal to approve an
amendment to the Company's  1988  Employee  Stock  Purchase Plan (the  "Purchase
Plan")  which will  increase  the number of shares  available  for  issuance  by
2,550,000 shares of Common Stock. The Board of Directors believes that the share
increase is necessary to assure that  eligible  employees of the Company and its
participating  affiliates  will continue to have the  opportunity  to acquire an
equity  interest in the Company and thereby  further align their  interests with
those of the stockholders.

         The Purchase  Plan was adopted by the Board of Directors on January 21,
1988, and was approved by the stockholders on June 7, 1988. On February 4, 1999,
the Board of Directors  adopted the  amendment to the Purchase  Plan to increase
the number of shares available for issuance by 2,550,000 which is the subject of
this Item No. 2.

         The  terms  and  provisions  of the  Purchase  Plan,  as  amended,  are
summarized  below.  This  summary,  however,  does not  purport to be a complete
description  of the  Purchase  Plan.  A copy of the Plan is  attached  hereto as
Exhibit A.


Administration

         The  Purchase  Plan is  administered  by the Primary  Stock Option Plan
Committee,  which consists of at least two non-employee  Board members appointed
by the Board. Such Committee, as Plan Administrator, has full authority to adopt
administrative  rules and  procedures  and to interpret  the  provisions  of the
Purchase  Plan.  All costs and expenses  incurred in the  administration  of the
Purchase Plan are paid by the Company without charge to participants.

Securities Subject to the Purchase Plan

         The  maximum  number  of shares  of  Common  Stock  that may be sold to
participants over the term of the Purchase Plan may not exceed 7,400,000 shares,
assuming  stockholder  approval  of this Item No. 2. The shares of Common  Stock
issuable  under the  Purchase  Plan may be  either  shares  newly  issued by the
Company or shares  reacquired by the Company,  including shares purchased on the
open market.

         In the event any  change is made to the  Company's  outstanding  Common
Stock (whether by reason of any recapitalization,  stock dividend,  stock split,
combination  of  shares,  or other  similar  change in the  corporate  structure
effected   without  the  Company's   receipt  of   consideration),   appropriate
adjustments  will be made to (i) the class  and  maximum  number  of  securities
purchasable  under the  Purchase  Plan,  (ii) the class  and  maximum  number of
securities  purchasable  per participant on any one purchase date, and (iii) the
class and number of securities purchasable and the price per share payable under
each outstanding  purchase right.  Such adjustments will prevent any dilution or
enlargement of participant rights under the Purchase Plan.

                                       8
<PAGE>

Eligibility and Participation

         Any  individual  who is  employed  on a basis  under which he or she is
expected  to work more than  twenty  (20)  hours per week for more than five (5)
months  per  calendar  year in the employ of the  Company  or any  participating
parent or subsidiary  corporation  (including any corporation which subsequently
becomes  such at any time during the term of the  Purchase  Plan) is eligible to
participate in the Purchase Plan upon  commencement  of  employment.  Currently,
Komag Material Technology,  Incorporated, Komag Asia-Pacific,  Incorporated, and
Komag U.S.A. (Malaysia) Sdn. are participating corporate affiliates.

         As of March 29, 1999,  4,115,073 shares of Common Stock had been issued
under the Purchase Plan, and 3,284,927 shares were available for future issuance
(assuming  stockholder  approval  of this Item No.  2).  As of March  29,  1999,
approximately  3,993 employees  (including 13 current  executive  officers) were
eligible to participate in the Purchase Plan.


Purchase Periods

         The  Purchase  Plan was  amended  in 1998 from a series of  overlapping
quarterly  or  semi-annual  purchase  periods  over a  duration  not  to  exceed
twenty-four  (24) months,  to a series of  successive  quarterly or  semi-annual
purchase periods not to exceed six (6) months per purchase period, as determined
by the Plan Administrator prior to the commencement date of the purchase period.
Purchase periods may begin, at the Plan Administrator's discretion, on the first
day or the first Monday of each fiscal quarter or each alternate fiscal quarter.
Accordingly,  up to four (4)  separate  purchase  periods  may  commence in each
fiscal year during which the Purchase Plan remains in existence.

         Participants  are granted a separate  purchase  right for each purchase
period in which they participate. The purchase right is granted on the first day
of the purchase period and is  automatically  exercised on the last date of each
successive  three (3)-month or six (6)-month  period within that purchase period
("Purchase  Date"). No employee may participate in more than one purchase period
at a time.


Purchase Price

         The purchase  price of the Common Stock  acquired on each Purchase Date
is equal to eighty-five  percent (85%) of the lower of (i) the fair market value
per share of Common Stock on the date on which such purchase right is granted or
(ii) the fair market  value on such  Purchase  Date.  The fair  market  value of
Common  Stock on any relevant  date will be the closing  price per share on such
date as reported on the Nasdaq National Market.  The fair market value per share
determined on such basis was $5.3125 on March 29, 1999.


Purchase Rights and Stock Purchases

         Each participant may authorize periodic payroll deductions of up to ten
percent (10%) of his or her base pay during the relevant purchase period for the
purchase of Common Stock under the Purchase  Plan.  On each Purchase  Date,  the
accumulated  payroll deductions of each participant is automatically  applied to
the purchase of whole shares of Common Stock at the purchase price in effect for
that Purchase Date. The maximum number of shares  purchasable by the participant
on any  Purchase  Date may not  exceed  3,000  shares  in the case of  quarterly
Purchase Dates or 6,000 shares in the case of  semi-annual  Purchase  Dates.  In
addition,  no  executive  officer of the Company may  purchase  more than 50,000
shares in the aggregate over the term of the Purchase Plan.

                                       9
<PAGE>

Termination of Purchase Rights

         The  purchase  right  of  a  participant   terminates   upon  (i)  such
individual's  termination of employment or (ii) his or her voluntary  withdrawal
from the Purchase Plan. Any payroll  deductions  that the  participant  may have
made with respect to the terminated purchase right is refunded.  However, should
the  participant's   employment  terminate  by  reason  of  death  or  permanent
disability,  then that  participant (or the legal  representative  of his or her
estate)  may,  in lieu of such  refund,  elect to have the  accumulated  payroll
deductions applied to the purchase of Common Stock on the next Purchase Date.

Stockholder Rights

         No participant  has any  stockholder  rights with respect to the shares
covered by his or her purchase right until the shares are actually  purchased on
the   participant's   behalf.   No  adjustment   will  be  made  for  dividends,
distributions  or other rights for which the record date is prior to the date of
such purchase.

Assignability

         No purchase  rights are assignable or  transferable  by the participant
except by will or by laws of  inheritance.  An  outstanding  purchase right may,
during the participant's lifetime, be exercisable only by that participant.

Merger or Liquidation of Company

         In the event the Company or its stockholders enter into an agreement to
dispose of all or substantially  all of the assets or outstanding  capital stock
of the Company by means of a sale, merger or reorganization in which the Company
will not be the surviving corporation or in the event the Company is liquidated,
then all outstanding  purchase rights will, in connection with the  consummation
of such  transaction,  be exercised  immediately  prior to such  transaction  by
applying all payroll deductions  previously  collected from participants  during
the  purchase  period to the purchase of whole shares of Common Stock at a price
per share equal to eighty-five percent of the lower of (i) the fair market value
per share of Common Stock on the start date of the purchase period in which that
transaction  occurs  or (ii)  the fair  market  value  per  share at the time of
purchase.

Amendment and Termination

         The Purchase Plan will  terminate  upon the earlier of (i) December 31,
2001 or (ii) the date on which all shares available for issuance  thereunder are
sold pursuant to exercised purchase rights.  However,  the Board may at any time
alter,  suspend or discontinue  the Purchase Plan.  However,  the Board may not,
without stockholder  approval,  (i) increase the number of shares issuable under
the Purchase Plan,  except in connection  with certain  changes in the Company's
capital  structure,  (ii) alter the purchase  price  formula so as to reduce the
purchase price or (iii) modify the eligibility requirements for participation in
the Purchase Plan.

                                       10
<PAGE>

Stock Purchases

<TABLE>
         The table below shows, as to each of the Company's  executive  officers
named in the Summary  Compensation  Table and the various indicated groups,  the
number of shares of Common  Stock  purchased  under the  Purchase  Plan  between
December  29,  1997 and March  29,  1999,  together  with the  weighted  average
purchase price paid per share.


                                             PURCHASE PLAN TRANSACTIONS
- ----------------------------------------------------------------------------------------------------------------------
<CAPTION>
                                                                        Number of            Weighted Average
Name                                                                Purchased Shares          Purchase Price
- ----                                                                ----------------          --------------

<S>                                                                       <C>                       <C>
Stephen C. Johnson                                                        1,818                     $4.675

Tu Chen                                                                   1,818                     $4.675

Christopher H. Bajorek                                                    1,818                     $4.675

Thian H. Tan                                                              1,818                     $4.675

Ray L. Martin                                                               --                        --

Willard L. Kauffman                                                        1,818                    $4.675

Sonny S. J. Wey                                                            1,818                    $4.675


All executive officers as a group (15 persons)                           20,407                     $4.666

All employees, including current officers who are not                   904,769                     $4.627
executive officers, as a group (2,672 persons
- ----------------------------------------------------------------------------------------------------------------------
</TABLE>


Federal Tax Consequences

         The Purchase Plan is intended to be an "employee  stock  purchase plan"
within the meaning of Section 423 of the  Internal  Revenue  Code.  Under a plan
which so qualifies,  no taxable income will be recognized by a participant,  and
no  deductions  will be allowable  to the Company,  upon either the grant or the
exercise of the purchase  rights.  Taxable  income will not be recognized  until
there is a sale or other  disposition of the shares  acquired under the Purchase
Plan or in the event the participant should die while still owning the purchased
shares.

         If the participant sells or otherwise  disposes of the purchased shares
within two (2) years after the start date of the  offering  period in which such
shares were acquired or within one (1) year after the date on which those shares
were actually purchased,  then the participant will recognize ordinary income in
the year of sale or  disposition  equal to the  amount by which the fair  market
value of the shares on the purchase  date  exceeded the purchase  price paid for
those shares,  and the Company will be entitled to an income tax deduction,  for
the  taxable  year in which  such  disposition  occurs,  equal in amount to such
excess.

         If the participant  sells or disposes of the purchased shares more than
two (2) years after his or her entry date into the offering  period in which the
shares were  acquired  and more than one year after the  purchase  date of those

                                       11
<PAGE>

shares,  then the participant will recognize ordinary income in the year of sale
or  disposition  equal to the lesser of (i) the amount by which the fair  market
value of the shares on the sale or disposition  date exceeded the purchase price
paid for those shares or (ii) fifteen  percent (15%) of the fair market value of
the  shares on the  participant's  entry  date into that  offering  period.  Any
additional gain upon the disposition will be taxed as a long-term  capital gain.
The Company will not be entitled to an income tax deduction with respect to such
disposition.

         If the  participant  still  owns the  purchased  shares  at the time of
death, the lesser of (i) the amount by which the fair market value of the shares
on the date of death exceeds the purchase price or (ii) fifteen percent (15%) of
the fair market  value of the shares on his or her entry date into the  offering
period in which those shares were acquired will  constitute  ordinary  income in
the year of death.

Accounting Treatment

         Under current  accounting rules, the issuance of Common Stock under the
Purchase Plan will not result in a compensation  expense  chargeable against the
Company's  reported  earnings  provided  that  prior  to the  beginning  of each
offering period the Company has an authorized  share reserve equal to or greater
than the  number of shares  issued  during the  offering  period.  However,  the
Company must disclose, in notes to the Company's financial  statements,  the pro
forma impact which the purchase  rights  granted  under the Purchase  Plan would
have upon the  Company's  reported  earnings  were the  value of those  purchase
rights treated as compensation expense.

Recommendation of the Board of Directors

         The Company is seeking the affirmative vote of a majority of the issued
and  outstanding  shares present or represented and entitled to vote at the 1999
Annual  Meeting for approval of the amendment to the Purchase Plan. The Board of
Directors believes that the amendment to the Purchase Plan is necessary in order
to continue to provide  equity  incentives to attract and retain the services of
high quality employees.  For this reason, the Board of Directors recommends that
the stockholders vote FOR this proposal.  If the stockholders do not approve the
proposal, then no purchase rights will be granted under the Purchase Plan beyond
the currently authorized 4,850,000 shares.

                                       12
<PAGE>

                                  ITEM NO. 3 --
                                    FINANCING

         The Company is seeking to renew authorization from stockholders to sell
and issue up to $250 million of Common Stock in equity or equity-linked  private
transactions from time to time until October 1, 2000 at a price below book value
but at or above  the  then  current  market  value as  defined  by the  National
Association  of Securities  Dealers,  Inc. (the "NASD") of the Common Stock (the
"Financing Proposal").


Background

         The  Company  expects  to  enter  into  a  Restructuring  Agreement  to
restructure its credit facilities.  Under the proposed terms of the restructured
credit  facilities  the Company  would be  required  to repay  $15.0  million of
principal  during 1999 and another $15.0  million of principal  during the first
nine months of 2000. Additional principal payments would be due from portions of
new capital  raised,  asset sales,  and internal cash flow beyond agreed levels.
The amended loans would remain unsecured and would be due and payable in full on
October 7, 2000. The Company would have no additional credit available under the
loan  restructure  agreement.  The  Company  believes  that it will  require new
funding  prior  to the  October  2000  maturity  of its  existing  bank  debt to
facilitate  full  repayment of these  loans.  If the Company is unable to obtain
adequate new funding,  the Company will be required to further  restructure  its
bank credit facilities, and may be required to further reduce its operations and
capital  spending  which could have a material  adverse  effect on the Company's
results of operations.

         In July 1998,  the Company  solicited and received  authorization  from
stockholders  to  engage  in  transactions  identical  to  those  that  would be
authorized  by the  Financing  Proposal  in amounts of up to $350  million.  The
authority  granted by the July 1998  stockholder  resolution  was limited to one
year.  However,  because of  unfavorable  market  conditions  and other factors,
management elected not to engage in any transactions authorized by the July 1998
stockholder resolution and such authority will expire in late July. Accordingly,
the Company  seeks to renew the authority  granted by the July 1998  stockholder
resolution  for an  additional  period of time but with the maximum  transaction
amount reduced to $250 million.


Reasons For the Financing Proposal

         Under  the  Delaware   General   Corporation   Law  and  the  Company's
Certificate  of  Incorporation  and Bylaws,  no action or  authorization  by the
Company's stockholders is necessary for the Financing Proposal. However, because
the Common Stock is quoted on The Nasdaq Stock Market, the Company is subject to
the rules of the NASD. NASD Rule 4460(i) generally requires stockholder approval
for the  issuance  by a company  of shares of its  common  stock (or  securities
convertible  into or  exercisable  for common stock) equal to 20% or more of the
voting  power  of all  shares  of the  company  if  such  shares  are  sold in a
transaction  other than a public offering at a price (or with a conversion price
of) less than the greater of book value or market value of such company's common
stock.  Approval of the  Financing  Proposal  would not limit the  Company  from
taking any action for which stockholder approval is not otherwise required.

         If the Financing  Proposal is approved at the Annual Meeting and if the
Company  issues  securities  in a  transaction  subject to  approval  under Rule
4460(i),  then the Company will mail to stockholders  certain  information about
the transaction prior to issuing the securities.

         The market price of the Common Stock has been highly volatile in recent
periods.  If the  Financing  Proposal  is approved  at the Annual  Meeting,  the
Company will be authorized to issue up to $250 million of Common Stock in equity
or equity-linked private transactions from time to time until October 1, 2000 at
a price below book value but at or above the then  current  market  value of the
Common  Stock.  At March 29, 1999,  the closing price of

                                       13
<PAGE>

the Common  Stock on the Nasdaq  Stock Market was $5.3125 and the book value per
share of the Common Stock on January 3, 1999 was $6.01.

         If stockholders  approve the Financing  Proposal at the Annual Meeting,
no further authorization by stockholders for the issuance of securities pursuant
to this  authorization  will be  obtained.  The  terms of the  securities  to be
authorized,  including  dividend or interest rates,  conversion  prices,  voting
rights, redemption prices, maturity dates and similar matters will be determined
by the Board of Directors.


Risk Factors

         IN ADDITION TO THE OTHER INFORMATION SET FORTH IN THIS PROXY STATEMENT,
STOCKHOLDERS  SHOULD CAREFULLY  CONSIDER THE FOLLOWING  FACTORS BEFORE ACTING ON
THE FINANCING PROPOSAL.


Dilution to Existing Stockholders; Impact on Market Value of Common Stock

         The  sale  of a  significant  amount  of  Common  Stock  or  securities
convertible  into Common  Stock could cause  substantial  dilution to the voting
power,  earnings per share and interests of current  stockholders.  In addition,
the sale of a significant number of securities convertible into shares of Common
Stock could cause a decline in the market value of the Common Stock.


Consequences If the Financing Proposal Is Not Approved

         If the Financing Proposal is not approved by the Company's stockholders
at the Annual Meeting,  the consequences could have a material adverse effect on
the Company's  business,  results of operations  and  financial  condition.  The
Company is considering  sources of funding,  including  equity or  equity-linked
financings that are dependent,  in part, on approval of the Financing  Proposal.
As discussed  above, the Company believes that it will require new funding prior
to the October 1, 2000  maturity of its existing  bank debt to  facilitate  full
repayment  of these  loans.  If the  Company  is unable to obtain  adequate  new
funding,  the Company  will be required to further  restructure  its bank credit
facilities,  and may be required to further  reduce its  operations  and capital
spending which could have a material adverse effect on the Company's  results of
operations.


         THE BOARD OF  DIRECTORS  RECOMMENDS  THAT  STOCKHOLDERS  VOTE "FOR" THE
FINANCING PROPOSAL.  ABSTENTIONS AND BROKER NON-VOTES WILL HAVE NO EFFECT ON THE
OUTCOME OF THE FINANCING  PROPOSAL.  EXECUTED BUT UNMARKED PROXIES WILL BE VOTED
"FOR" THE FINANCING PROPOSAL.

                                       14
<PAGE>

                   ITEM NO. 4 -- APPROVAL OF AMENDMENTS TO THE
                         RESTATED 1987 STOCK OPTION PLAN

Introduction

         The  stockholders  are  being  asked to  approve  an  amendment  to the
Company's  Restated  1987 Stock Option Plan (the "Option  Plan") to increase the
number  of stock  options  granted  to  non-employee  Board  members  under  the
Automatic  Option  Grant  Program from 7,500 to 12,000 upon  re-election  to the
Board each year.  The Board of  Directors  approved  the  amendment on April 15,
1999,  subject to stockholder  approval at the Annual Meeting.  Accordingly,  if
such stockholder  approval is obtained,  each of the six (6) non-employee  Board
members re-elected at the 1999 Annual Meeting will receive an option to purchase
12,000  shares of Common  Stock with an exercise  price equal to the fair market
value of the Company's Common Stock on that date.

         The Automatic  Option Grant  Program  aligns the interests of the Board
members directly with those of stockholders.  Non-employee  directors contribute
significantly  to the well  being of the  Company.  Based on  market  data,  the
previously  authorized 7,500 shares approximates the median of peer group annual
grants to  non-employee  directors.  The proposed  share increase is intended to
enable the Company to attract and retain non-employee directors of above-average
capabilities.

         The  following  is a summary of the  principal  features of the amended
Option Plan,  together with the tax and accounting  implications of transactions
effected  under the Option Plan. The summary,  however,  is not intended to be a
complete  description  of all the terms of the Option Plan. A copy of the Option
Plan is attached hereto as Exhibit B.


Structure

         The  Option  Plan is  divided  into two (2)  separate  components:  the
Discretionary Option Grant Program and the Automatic Option Grant Program. Under
the Discretionary Option Grant Program,  options may be issued from time to time
to  key  employees  (including   officers),   non-employee  Board  members,  and
consultants  of  the  Company  (or  its  parent  or  subsidiary  companies)  who
contribute to the  management,  growth and financial  success of the Company (or
its parent or subsidiary companies). Under the Automatic Option Grant Program, a
series of automatic option grants will be made to the non-employee Board members
over their continued period of service on the Board.

         As of March 29, 1999, approximately 3,993 employees (including thirteen
(13) executive officers), and seven (7) non-employee Board members were eligible
to  participate  in the  Discretionary  Option  Grant  Program.  The  seven  (7)
non-employee  Board members were also eligible to  participate  in the Automatic
Option Grant Program.


Administration

         The Option Plan  (other than the  Automatic  Option  Grant  Program) is
administered  with respect to the Company's  executive  officers  subject to the
short-swing profit  liabilities of Section 16 of the Securities  Exchange Act of
1934  ("Section 16 Insiders") by the Primary Stock Option Plan  Committee of the
Board.  With  respect  to  all  other  participants,  the  Option  Plan  may  be
administered  by either the Primary  Stock Option Plan  Committee or the Special
Stock  Option  Plan  Administration  Committee,  a  committee  of  one  or  more
employee-Board  members  appointed by the Board.  Each of the committees will be
referred  to  in  this  summary  as  the  Plan  Administrator,   and  each  Plan
Administrator  will have complete  discretion  (subject to the provisions of the
Option Plan) to authorize  option  grants under the Option Plan within the scope
of its  administrative  jurisdiction.  However,  all grants under the  Automatic
Option Grant Program are to be made in strict  compliance with the provisions of
that program,  and no  administrative  discretion  will be exercised by the Plan
Administrator with respect to the grants made under that program.

                                       15
<PAGE>


Share Reserve

         The total  number of shares of Common Stock  issuable  over the term of
the  Option  Plan may not  exceed  18,140,000  shares.  However,  no  individual
participating  in the Option  Plan may be granted  stock  options  for more than
3,000,000 shares in the aggregate over the term of the Option Plan, exclusive of
any option grants made to that individual  prior to January 1, 1994.  Should any
option  terminate  prior  to  exercise  in  full,  the  shares  subject  to  the
unexercised  portion of that  option will be  available  for  subsequent  option
grants. In addition,  any unvested shares issued under the Plan and subsequently
repurchased  by the  Company  at the  original  exercise  price  paid per  share
pursuant to the Company's repurchase rights under the Plan will be added back to
the number of shares of Common Stock  reserved  for issuance  under the Plan and
will  accordingly  be available for  reissuance  through one or more  subsequent
option grants made under the Plan.

         As of March  29,1999,  5,755,435  shares  were  subject to  outstanding
option grants under the Option Plan,  3,714,569  shares  remained  available for
future grant and 8,669,996 shares have been issued under the Option Plan.
Several important features of the outstanding options should be noted:

                  * No  outstanding  option has an exercise price per share less
than the fair market value per share of the Common Stock on the grant date.

                  *  Approximately  70% of the  outstanding  options are special
"evergreen"  options which are intended to maintain the optionee's holdings at a
sufficient  level to  provide a  meaningful  incentive  for such  individual  to
continue in the  Company's  employ.  These  evergreen  options  are  accordingly
granted to individuals  who already hold one or more  outstanding  options under
the Option Plan and utilize a special vesting schedule under which these options
will  not  become   exercisable   for  any  of  the  option   shares  until  the
thirty-seventh  (37th) month from the date of grant.  Once the evergreen  option
does  become  exercisable,  that  option  will vest in a series  of twelve  (12)
successive equal monthly  installments  over the optionee's  period of continued
employment  with  the  Company.   Accordingly,  a  substantial  portion  of  the
outstanding  options  will  provide no value or  benefit  to the option  holders
unless  those  individuals  make  a  long-term  commitment  to  continue  in the
Company's employ.

Changes in Capitalization

         If any change is made to the  Common  Stock  issuable  under the Option
Plan (by reason of any merger, consolidation or reorganization of the Company or
any  recapitalization,  stock  split,  stock  dividend,  combination  of shares,
exchange of shares or other  similar  change  affecting the  outstanding  Common
Stock  without  the  Company's  receipt  of  consideration),   then  appropriate
adjustments  will be made to the  maximum  number  and/or  class  of  securities
available  for  issuance  under the  Option  Plan,  the number  and/or  class of
securities and price per share in effect under each outstanding option under the
Discretionary  Option  Grant  Program,  and the maximum  number  and/or class of
securities for which stock options may be granted to any one  participant  after
December 31, 1993. Under the Automatic Grant Program, the number and/or class of
securities  for which  automatic  option grants are  subsequently  to be made to
newly-elected  or  re-elected  non-employee  Board members and the number and/or
class of  securities  and price per share in effect under each  automatic  grant
outstanding would be similarly  adjusted.  All such adjustments will be designed
so as to preclude the enlargement or dilution of participant rights and benefits
under the Option Plan.

Valuation

         The fair market value per share of Common  Stock on any  relevant  date
under the Option Plan will be the closing sales price per share on the day prior
to the date in question, as such price is reported on the Nasdaq National Market
or any successor system. If there is no closing sales price for the Common Stock
on the day prior to the date in  question,  then the fair market  value shall be
the closing  sales  price on the last  preceding  date for which such  quotation
exists. On March 29, 1999, the closing sales price per share was $5.3125.

                                       16
<PAGE>



                         Automatic Option Grant Program

Terms

         Under the Automatic  Option Grant Program,  non-employee  Board members
will receive  option  grants at specified  intervals  over their period of Board
service.  The terms and  conditions of these special grants may be summarized as
follows:

         1. Each  individual  who becomes a non-employee  Board member,  whether
through  election  by  the  stockholders  or  appointment  by  the  Board,  will
automatically be granted, at the time of such initial election or appointment, a
non-statutory  stock option to purchase  30,000 shares of Common Stock to become
exercisable in a series of four (4) successive  equal annual  installments  upon
the  optionee's  completion of each year of Board service over the four (4)-year
period measured from the grant date.

         2. On the date of each Annual Stockholders Meeting, each individual who
is  re-elected  as a  non-employee  Board member with at least six (6) months of
Board  service  will  receive  a  non-statutory  stock  option  to  purchase  an
additional 12,000 shares of Common Stock,  assuming stockholder approval of this
Item No. 4, to become 100% exercisable upon the optionee's completion of one (1)
year of Board service measured from the grant date.

         3.  The  exercise  price  per  share  will be equal to 100% of the fair
market value per share of Common  Stock on the  automatic  grant date,  and each
automatic  option is to have a maximum term of ten (10) years measured from such
grant date.

         4. Each automatic  option will remain  exercisable  for a six (6) month
period  following  the  optionee's  termination  of service  as a Board  member.
However,  should the optionee die while  serving as a Board member or during the
six (6)-month period following his or her cessation of Board service,  then such
option will remain  exercisable for a twelve  (12)-month  period  following such
optionee's  death and may be  exercised by the  personal  representative  of the
optionee's  estate  or the  person  to whom  the  grant  is  transferred  by the
optionee's will or the laws of inheritance. In no event, however, may the option
be exercised after the expiration date of the option term. During the applicable
post-service  exercise period, the option may not be exercised for more than the
number of shares (if any) for which the option is exercisable at the time of the
optionee's cessation of Board service.

         5. Each automatic option will become immediately exercisable for all of
the  option  shares as  fully-vested  shares  of  Common  Stock in the event the
Company is acquired by merger, consolidation or asset sale or should there occur
certain other changes in control or ownership of the Company.

         6. Each  automatic  option  will  automatically  be  canceled  upon the
successful completion of a hostile tender offer, and the optionee will in return
be entitled to a cash  distribution  from the Company in an amount per  canceled
option share equal to the excess of (i) the highest  reported price per share of
Common  Stock paid in the tender  offer over (ii) the option  price  payable per
share.  Stockholder approval of this Item No. 4 will constitute  pre-approval of
each option subsequently granted with such an automatic  cancellation  provision
and  the  subsequent  cancellation  of  that  option  in  accordance  with  such
provision.

         7. The remaining  terms and conditions of each  automatic  option grant
will in general  conform to the terms  summarized  above for option  grants made
under the  Discretionary  Option Grant Program and will be incorporated into the
option agreement evidencing the automatic grant.

                                       17
<PAGE>

                    Discretionary Option Grant Program Grants

         Under the Discretionary  Option Grant Program,  the Plan  Administrator
has complete discretion to determine the eligible individuals who are to receive
discretionary option grants, the time or times when those grants are to be made,
the number of shares subject to each such grant, the vesting schedule applicable
to the  grant,  the  status  of that  grant  as an  incentive  stock  option  or
non-statutory  option under the Federal tax laws and the remaining terms of each
such grant,  subject to the provisions of the Option Plan and applicable Federal
tax laws. All expenses incurred in administering the Option Plan will be paid by
the Company.

Price and Exercisability

         The   exercise   price  per  share  for  options   granted   under  the
Discretionary  Option Grant Program may not be less than 100% of the fair market
value per share of Common Stock on the grant date. No granted option will have a
term in excess of ten (10) years and each option will  become  exercisable  in a
series of installments over the optionee's period of service with the Company.

         The exercise price may be paid in cash or in shares of the Common Stock
of the Company.  Outstanding  options may also be  exercised  through a same-day
sale  program  pursuant  to which a  designated  brokerage  firm is to effect an
immediate  sale of the  shares  purchased  under the  option and pay over to the
Company, out of the sales proceeds available on the settlement date,  sufficient
funds to cover the exercise  price for the purchased  shares plus all applicable
withholding taxes.

         No  optionee  has any  stockholder  rights  with  respect to the option
shares until such optionee has exercised the option and paid the exercise  price
for the purchased  shares.  Options are generally not assignable or transferable
other  than by will  or the  laws of  inheritance  and,  during  the  optionee's
lifetime,  the option may be exercised only by such optionee.  However, the Plan
Administrator  may allow  non-statutory  options to be  transferred  or assigned
during  the  optionee's  lifetime  to  one or  more  members  of the  optionee's
immediate  family  or to a trust  established  exclusively  for one or more such
family  members,  to the extent such transfer or assignment is in furtherance of
the optionee's estate plan.

Termination of Service

         Upon the  optionee's  cessation of employment or service,  the optionee
will have a limited  period of time in which to exercise his or her  outstanding
options for any shares in which the optionee is vested at that time. However, at
any time while the options remain outstanding,  the Plan Administrator will have
complete  discretion to extend the period following the optionee's  cessation of
employment  or  service  during  which  his or her  outstanding  options  may be
exercised.  The  Plan  Administrator  will  also  have  complete  discretion  to
accelerate the exercisability or vesting of those options in whole or in part at
any time.

Corporate Transaction

         Each outstanding  option under the  Discretionary  Option Grant Program
will  become  immediately  exercisable  for all of the  shares of  Common  Stock
subject to that option in the event of an  acquisition of the Company by merger,
consolidation  or asset  sale,  unless the  option is  assumed by the  successor
corporation.  Immediately  following the consummation of such  acquisition,  all
outstanding  options  will  terminate,  except  to  the  extent  assumed  by the
successor corporation (or its parent company).

Limited Stock Appreciation Rights

         Officers and  non-employee  Board members of the Company subject to the
short-swing  profit  restrictions of the Federal  securities laws may be granted
limited stock appreciation rights in tandem with their outstanding  options. Any
option  with such a limited  stock  appreciation  right  will  automatically  be
canceled upon the  completion of a hostile tender offer for more than 50% of the
Company's  outstanding  shares, and the optionee will in return be

                                       18
<PAGE>

entitled  to a cash  distribution  from the  Company in an amount  per  canceled
option share equal to the excess of (i) the highest  reported price per share of
Common  Stock paid in the  tender  offer  over (ii) the  option  exercise  price
payable per share.

Options Granted

<TABLE>
         The table below shows, as to each of the Named  Executive  Officers and
each of the indicated  groups,  the following  information with respect to stock
options granted under the Restated 1987 Stock Option Plan during the period from
December 29, 1997 through March 29, 1999,  excluding options regranted under the
July  1998  Option   Cancellation  and  Regrant  Program  (see  "Report  of  the
Compensation  and Primary Stock Option  Committees on Executive  Compensation");
(i) the number of shares of Common Stock  subject to options  granted  under the
Option Plan during that period and (ii) the  weighted  average  option price per
share for such options.  Typically options held by the Named Executive  Officers
and other current  executive  officers do not become  exercisable for any of the
option shares until the thirty-seventh (37th) month following the date of grant.
Each  option  will  thereupon  become  exercisable  in a series of  twelve  (12)
successive equal monthly  installments  over the optionee's  period of continued
employment with the Company. However, of the 1,859,299 new option shares granted
to executive officers during the period from December 29, 1997 through March 29,
1999: (i) 1,200,505 shares will become exercisable per the schedule noted above;
(ii) 217,703 shares granted to new and promoted officers will vest incrementally
over the next  four (4) years of their  continued  service;  and  (iii)  441,091
special  retention  grant  shares will become  exercisable  at twelve (12) month
intervals  over a three to four year  period.  Over 70% of the  options  held by
employees  who are not  executive  officers of the Company have the same vesting
schedule (beginning in the 37th month) as applied to the executive officers.  In
addition,  Messrs.  Eyre,  Federman,  Neil,  Palevsky,  Sun and Takebayashi,  as
non-employee  Board members,  will, upon  re-election to the Board at the Annual
Meeting,  receive at that time an  automatic  option  grant for  12,000  shares,
assuming  stockholder  approval of this Item No. 4, with an  exercise  price per
share  equal to the fair  market  value of Common  Stock on the  grant  date and
vesting as specified in the Automatic Option Grant Program.

- ---------------------------------------------------------------------------------------
<CAPTION>
                                                Number of Option       Weighted Average
                  Name                         Shares Granted (1)        Option Price
<S>                                                <C>                    <C>    
Stephen C. Johnson                                    263,500             11.4125

Tu Chen                                               263,500             11.4125

Christopher H. Bajorek                                169,870             11.4125

Ray L. Martin                                         139,570              9.6800

Thian H. Tan                                          172,867             11.4125

Willard L. Kauffman                                    46,067             12.5625

Sonny S. J. Wey                                        37,628             12.5625

All current executive officers as a
group (13 persons)                                 1,859,299              10.6931

All current directors (other than
executive officers) as a group (7                      52,500             10.6250
persons)

All employees, including current
officers who are not executive officers,              65,220              12.5625
as a group
- ---------------------------------------------------------------------------------------

                                          19
<PAGE>

<FN>
(1)  Excludes  options  regranted  under the July 1998 Option  Cancellation  and
     Regrant  Program.  See "Report of the Compensation and Primary Stock Option
     Committees on Executive Compensation".
</FN>
</TABLE>


Amendment and Termination of the Plan

         The Board may amend or modify  the Option  Plan in any or all  respects
whatsoever.   However,  certain  amendments  to  the  Option  Plan  may  require
stockholder approval pursuant to applicable laws or regulations.

         The Board may terminate the Option Plan at any time,  but in all events
the Option Plan will  terminate upon the earlier of January 22, 2002 or the date
all shares  available for issuance  under the Option Plan are issued or canceled
pursuant to the exercise or surrender of options  granted under the Option Plan.
Any options  outstanding at the time of the  termination of the Option Plan will
remain in force in accordance with the provisions of the instruments  evidencing
such grants.

Federal Tax Consequences

         Options  granted  under the Option Plan may be either  incentive  stock
options which satisfy the  requirements  of Section 422 of the Internal  Revenue
Code  or   non-statutory   options  which  are  not  intended  to  satisfy  such
requirements.  The  Federal  income tax  treatment  for the two types of options
differs as follows:

         Incentive  Options.  No taxable income is recognized by the optionee at
the time of the option grant,  and no taxable income is generally  recognized at
the time the option is exercised. The optionee will, however,  recognize taxable
income in the year in which the purchased  shares are sold or otherwise made the
subject of disposition.

         For  Federal  tax  purposes,  dispositions  are  divided  into  two (2)
categories:  qualifying and  disqualifying.  The optionee will make a qualifying
disposition of the purchased shares if the sale or disposition is made more than
two (2)  years  after the grant  date of the  option  and more than one (1) year
after the exercise  date. If the optionee  fails to satisfy  either of these two
holding periods prior to sale or disposition,  then a disqualifying  disposition
of the purchased shares will result.

         Upon a qualifying  disposition,  the optionee will recognize  long-term
capital  gain in an amount equal to the excess of (i) the amount  realized  upon
the sale or other  disposition  of the  purchased  shares over (ii) the exercise
price  paid  for the  shares.  If there is a  disqualifying  disposition  of the
shares,  then the  excess of (i) the fair  market  value of those  shares on the
exercise  date over (ii) the exercise  price paid for the shares will be taxable
as ordinary income to the optionee.  Any additional gain or loss recognized upon
the disposition will be recognized as a capital gain or loss by the optionee.

         If the optionee  makes a  disqualifying  disposition  of the  purchased
shares, the Company will be entitled to an income tax deduction, for the taxable
year in which  such  disposition  occurs,  equal to the  excess  of (i) the fair
market value of such shares on the date the option was  exercised  over (ii) the
exercise  price  paid  for  such  shares.  If the  optionee  makes a  qualifying
disposition  of the  purchased  shares,  the Company will not be entitled to any
income tax deduction.

                                       20
<PAGE>

         Non-statutory  Options.  No taxable income is recognized by an optionee
upon the grant of a non-statutory option. The optionee will in general recognize
ordinary income in the year in which the option is exercised equal to the excess
of the fair market value of the  purchased  shares on the exercise date over the
exercise price, and the optionee will be required to satisfy the tax withholding
requirements applicable to such income.

         The Company  will be entitled to an income tax  deduction  equal to the
amount of ordinary  income  recognized  by the optionee in  connection  with the
exercise of the non-statutory  option.  The deduction will in general be allowed
for the  taxable  year in  which  such  ordinary  income  is  recognized  by the
optionee.

         Stock  Appreciation  Rights. If an option granted under the Option Plan
is canceled for an  appreciation  distribution  paid in cash, the recipient will
generally realize ordinary income, equal in amount to the cash received, and the
Company will be entitled to a corresponding income tax deduction.

         Deductibility of Executive  Compensation.  The Company anticipates that
any compensation deemed paid by it in connection with disqualifying dispositions
of incentive  stock option  shares or  exercises of  non-statutory  options will
qualify as  performance-based  compensation  for purposes of Code Section 162(m)
and will not have to be taken into  account for  purposes of the one (1) million
dollar   limitation  per  covered   individual  on  the   deductibility  of  the
compensation paid to certain executive officers of the Company. Accordingly, all
compensation  deemed paid under the Option Plan will  remain  deductible  by the
Company without limitation under Code Section 162(m).

Accounting Treatment

         The Company's earnings per share is computed using the weighted average
number  of  shares  of  Common  Stock  outstanding  and  dilutive  common  stock
equivalents.  Common stock equivalents  include shares issuable upon the assumed
exercise of outstanding options reflected under the treasury stock method.

         Under  generally  accepted  accounting  principles,  the  grant  or the
exercise of options to purchase  shares of the  Company's  Common  Stock with an
exercise  price equal to the fair market value of the Company's  Common Stock on
the grant date does not generally  require a charge to the  Company's  earnings.
However,  the Company is  required  to  disclose  in the notes to the  Company's
financial statements the fair value of options granted under the Option Plan and
the pro forma impact on the  Company's  annual net income and earnings per share
as  though  the  computed  fair  value  of such  options  had  been  treated  as
compensation expense.

Recommendation of the Board of Directors

         The affirmative vote of a majority of the issued and outstanding shares
present or represented and entitled to vote at the 1999 Annual Meeting is sought
for  approval  of the  amendments  to the Option  Plan.  The Board of  Directors
believes that option grants under the Option Plan play an important  role in the
Company's  efforts to attract,  employ,  and retain  employees,  directors,  and
consultants  of  outstanding  ability.   Accordingly,  the  Board  of  Directors
recommends that the stockholders vote FOR this proposal.  If the stockholders do
not approve the proposal,  the  re-elected  non-employee  Board members will not
receive an option to purchase 12,000 shares under the Automatic Grant Program as
of the  Annual  Meeting  date,  but will  receive  an  option  to  purchase  the
previously authorized 7,500 shares.

                                       21
<PAGE>

                                  ITEM NO. 5 --
                      RATIFICATION OF INDEPENDENT AUDITORS

         The Company is asking the stockholders to ratify the selection of Ernst
& Young LLP as the  Company's  independent  auditors  for the fiscal year ending
January 2, 2000. The affirmative vote of the holders of a majority of the shares
represented  and voting at the Annual  Meeting  will be  required  to ratify the
selection of Ernst & Young LLP.

         In the event the stockholders fail to ratify the appointment, the Board
of Directors will  reconsider its selection.  Even if the selection is ratified,
the  Board  in  its  discretion  may  direct  the  appointment  of  a  different
independent  accounting firm at any time during the year if the Board feels that
such  a  change  would  be  in  the  best  interests  of  the  Company  and  its
stockholders.  Unless  otherwise  instructed,  the proxy  holders  will vote the
proxies  received by them FOR the ratification of the selection of Ernst & Young
LLP.

         Ernst & Young  LLP have  audited  the  Company's  financial  statements
annually beginning in 1986.  Representatives of the firm, who are expected to be
present at the Annual Meeting,  will have the opportunity to make a statement if
they desire to do so, and will be available to respond to appropriate questions.

Recommendation of the Board of Directors

         The affirmative vote of a majority of the issued and outstanding voting
shares is sought for the ratification of the selection of Ernst & Young LLP. The
Board of Directors recommends that the stockholders vote FOR this proposal.


EXECUTIVE COMPENSATION AND RELATED INFORMATION

         In compliance with the Securities and Exchange Commission's regulations
on disclosure of Executive  Compensation,  this section  presents the Reports of
the Compensation  Committee and of the Primary Stock Option  Committee,  a Stock
Performance  Graph  comparing  Company  stockholder  return  relative to a broad
market  index and a peer group  index,  and Summary and  Companion  Compensation
Tables  presenting  a  detailed   representation  of  the  Company's   executive
compensation practices.


         REPORT OF THE COMPENSATION AND PRIMARY STOCK OPTION COMMITTEES
                            ON EXECUTIVE COMPENSATION

         The Compensation Committee's members, Craig R. Barrett, Irwin Federman,
Max Palevsky and Masayoshi  Takebayashi,  are independent  directors who are not
employees  of the  Company and who further  qualify as outside  directors  under
Section  162(m) of the Internal  Revenue  Code.  The  Compensation  Committee is
accountable  for  the  approval  of  cash  compensation   programs  that  fairly
compensate  key  executives  and  employees  and that  relate  the pay levels of
officers to the performance of the Company. The Primary Stock Option Committee's
members,   Craig  R.  Barrett,  Irwin  Federman  and  Max  Palevsky  qualify  as
disinterested persons for purposes of Rule 16b-3 adopted under the 1934 Act. The
Primary  Stock Option  Committee is  responsible  for all stock option grants to
executive officers.

                                       22
<PAGE>

Objectives of the Company's Executive Compensation Plan

         The Company's  executive  compensation is based on the premise that the
executive  officers are  responsible  for achievement of the Company's goals and
objectives  and  are  rewarded  when  achievement  of  these  goals  results  in
successful financial performance.  The Committee intends to control fixed salary
costs, to provide a high degree of leverage in officers' pay based on the actual
performance  of the  Company,  to  allow  flexibility  to  respond  to  specific
individual issues such as retention, and to balance cost to stockholders against
providing  appropriate  incentives for value  creation.  To structure the actual
annual  compensation  plans,  the  Compensation  Committee  relies  on  research
performed by an independent  compensation  consulting  firm, and advice from the
Company's human resources department.  For comparison purposes,  the Company has
identified a group of  high-performing  companies ("peer companies") both within
and outside the Company's industry. The Company competes with the peer companies
for the hiring and  retention of key  executives  and  accordingly  compares its
executive compensation practices to these companies. Each peer company shares at
least one attribute, such as high technology, location or size with the Company.
Such comparisons also include the relative financial  performance of the Company
and the peer companies.  Since executive search and retention is not necessarily
industry  specific,  no attempt is made to correlate the list of peer  companies
with the  companies  in  Nasdaq  Computer  Manufacturers  Index,  the  Company's
Industry index in the "Stock Performance Graph."

         The total  compensation  plan developed for each officer  includes base
salary,  incentive bonus and stock options in addition to  participation  in the
Company's  Cash and Deferred  Profit  Sharing and Employee  Stock Purchase plans
subject to the same eligibility criteria applicable to all employees.  Executive
officers  are also  eligible  to defer  salary  under the  Company's  401(k) and
Non-qualified Deferred Compensation Plans. Average base salary is targeted at or
below the 50th percentile of base salaries for executives with similar positions
among the peer companies.  The  Compensation  Committee  considers this level of
base salary  sufficient,  in the context of the total compensation  package,  to
attract and retain  executives of the caliber  required to manage a company that
employs  leading edge  technology in a fiercely  competitive,  rapidly  changing
industry, while controlling this fixed component of compensation in the event of
poor business  conditions or company  performance.  On an individual  basis, the
base salaries of the Company's executive officers range from the 30th percentile
to the 75th  percentile.  Variation from the targeted range is due to individual
qualifications,  including performance, specific technical knowledge, experience
and/or total targeted cash compensation as judged by the Compensation Committee.

         To complement base salary, the Compensation  Committee  administers the
Management Bonus Plan (the "Bonus Plan"). This Bonus Plan is designed to provide
substantial rewards for exceeding financial performance targets and little or no
payout when the Company performs poorly. Specifically, the Bonus Plan provides a
pool of funds  available for bonus  payments  based on the  Company's  operating
income as  compared  to the Annual  Operating  Plan as  approved by the Board of
Directors in the first quarter of each fiscal year. The maximum pool is equal to
7% of operating  income when actual operating income is greater than or equal to
122% of the Annual  Operating Plan. This percentage  declines  linearly to 2% of
operating  income at a level of 66.67% of the  Annual  Operating  Plan and to 0%
when  there is no  operating  income  or an  operating  loss.  The  Compensation
Committee  allocates  this  pool  to  the  executives,  up to  each  executive's
pre-established  maximum,  and to other  non-executive  employees,  based on its
judgment of each  individual's  contributions  to the  Company's  financial  and
operating performance. Since the Company sustained an operating loss in 1998, no
payments were accrued or paid under the Bonus Plan for the fiscal year.

         The Compensation Committee also administers the Company's Discretionary
Bonus Plan (the  "Discretionary  Plan").  The Discretionary  Plan is designed to
allow  the  Compensation  Committee  the  flexibility  to  grant a  bonus  to an
executive if an executive  has achieved a  substantial  objective  during a time
when the Bonus Plan cannot provide a payout or if there is a specific  retention
issue related to the  executive's  level of income.  No payments were accrued or
made under this plan for the 1998 fiscal year.

                                       23
<PAGE>

         At the end of the second  quarter of 1998, it became  apparent that the
Company  had excess  capacity  and more  employees  than could be  supported  by
expected sales. Accordingly,  the Company restructured its operations,  recorded
an  impairment  charge and  reduced its  workforce.  In  conjunction  with these
restructuring  activities  and a  similar  action  taken at the end of the third
quarter of 1997,  the  Company  paid  approximately  $1.1  million to six former
officers,  including  $583,000  to  two  of the  individuals  in  the  following
compensation  table,  for severance and related  compensation.  Certain of these
former officers are contracted to perform consulting services during 1999.

         In addition to cash compensation the Company's  executive  compensation
plan  includes  stock  options that are  designed to align the  interests of the
executive  officers with those of  stockholders,  providing  each officer with a
significant incentive to manage the Company from the long-term perspective of an
owner with an equity stake in the  business.  The stock  option plan  encourages
long-term  retention  and  provides  rewards to  executives  and other  eligible
employees  commensurate  with growth in  stockholder  value.  The Primary  Stock
Option  Committee  had the sole  responsibility  for making option grants to the
Company's  executive  officers  during 1998. The Primary Stock Option  Committee
also  approved  the  guidelines  for option  grants made to other key  employees
during that fiscal  year.  Based on a review of  competitive  data,  the Primary
Stock Option  Committee  targeted  total option grants for 1998 to fall within a
range of 2.5% - 4.0% of total shares  outstanding.  Actual option grants, net of
cancellations,  for the fiscal year totaled 3.9% of the weighted  average number
of shares issued and outstanding. All stock options were granted at market price
on the date of grant and have a maximum term of ten years.

         The Primary Stock Option  Committee has established  guidelines for the
number  of  options  to  be  granted  to  each  level  of   executive   officer,
non-executive  management  and key individual  contributor  based on analysis of
competitive  data and internal  estimates of the number of options  necessary to
attract and retain these employees.  These guidelines were used to determine the
range of options to be granted to each  employee  through the  Company's  annual
grant  program.  The Primary  Stock  Option  Committee  applied its  judgment of
individual  performance,  with some  consideration  for the  number of  unvested
options held by an  individual,  when making  specific  grants to each executive
officer. These options will vest entirely in the fourth year after grant so that
generally the vesting will not overlap with previously granted options. In total
256,700  stock  options  were  granted in January  1998 to 12 current  executive
officers pursuant to the annual grant program.

         The Primary  Stock Option  Committee  deemed it in the best interest of
the Company to grant new options,  as a retention tool,  since it was clear that
there would be no cash bonuses paid during 1998.  Accordingly,  in January 1998,
the  Primary  Stock  Option  Committee  granted  420,708  options  to 12 current
executive  officers.  Each of these options  becomes  exercisable in a series of
installments  with 50% vesting one year following  grant date, and the remainder
vesting in successive 25% annual installments.

          On June 12, 1998, the Board of Directors approved a plan to cancel and
regrant options for the company's employees and officers effective July 1, 1998.
The Board believes that the current price of the Common Stock is attributable in
large part to adverse industry  conditions.  In addition the Board believes that
the  Company's  future  performance  is  dependent  in large part on the skills,
capabilities  and  efforts  of  the  Company's  employees,  especially  the  key
management  and  technical  employees  who hold the greatest  number of options.
Given the disparity between the exercise prices of then outstanding  options and
the  trading  prices  during the first two fiscal  quarters  of 1998,  the Board
believed  the  options  held  little  value  for  retention  and  motivation  of
employees.  The Board  remains  confident  it acted in the best  interest of the
Company and its  stockholders  in  authorizing  the  repricing.  Employees  were
permitted to voluntarily  exchange options held for new options on a one-for-one
basis. The price of the regranted  options was $5.3475 per share.  Officers were
required  to  forfeit  special  options  granted to them on October 6, 1997 as a
condition of accepting  regranted  options.  Regranted options retained the same
number of shares,  vested  amount and vesting  schedule as the original  grants;
however,  new options could not be exercised for a period of one year  following
the July 1, 1998  effective  date.  All of the 13  current  officers  elected to
participate in the July Option Regrant Program.

                                       24
<PAGE>

Compensation of the Chief Executive Officer and of the Chairman of the Board

         Base  salaries  of  Stephen  C.  Johnson  and Tu Chen for 1998  were at
approximately  the 30th  percentile of salaries paid to executives in comparable
positions at the peer companies, in accordance with the Compensation Committee's
target.  Neither Mr. Johnson nor Dr. Chen was granted merit  increases for 1998.
As no cash bonuses were paid for 1998 under the Company's plans, Mr. Johnson and
Dr. Chen received no variable  compensation during the year. Mr. Johnson and Dr.
Chen were each granted  stock  options for 113,500  shares  during the year.  In
addition,  Mr.  Johnson and Dr.  Chen  repriced  442,781  and  456,471  options,
respectively,  pursuant  to the July 1, 1998  Option  Cancellation  and  Regrant
Program authorized by the Board of Directors on June 12, 1998.


Compliance with Internal Revenue Code Section 162(m)

         As a result of Section 162(m) of the Internal  Revenue Code,  which was
enacted into law in 1993,  the Company will not be allowed a Federal  income tax
deduction  for  compensation  paid  to  certain  officers,  to the  extent  that
compensation  exceeds one (1) million  dollars per officer in any one year. This
limitation will be in effect for each fiscal year of the Company beginning after
December  31,  1993  and  will  apply to all  compensation  paid to the  covered
executive   officers  which  is  not   considered  to  be   performance   based.
Compensation,  which does qualify as  performance-based  compensation,  will not
have to be taken into  account  for  purposes  of this  limitation.  At the 1994
Annual Meeting, the Company obtained stockholder approval for certain amendments
to the  Company's  Stock  Option  Plan which were  designed  to assure  that any
compensation  deemed  paid in  connection  with the  exercise  of stock  options
granted  under that plan,  with an exercise  price equal to the market  price of
Common Stock on the grant date, would qualify as performance-based compensation.
The Bonus Plan was restructured in 1996 and approved by stockholders so that the
payments   made  under  that  plan  would  also  qualify  as   performance-based
compensation  under  Section  162(m) and the Company  obtained a ruling from the
Internal  Revenue Service that the payments under the Bonus Plan will qualify as
performance-based compensation.  Stockholders subsequently approved an amendment
to the Bonus Plan in 1997, and future  payments  thereunder  should  continue to
qualify as performance-based  compensation that would not be subject to the Code
Section 162(m) limitation on deductibility.


                   1998 MEMBERS OF THE COMPENSATION COMMITTEE

   Craig R. Barrett   Irwin Federman   Max Palevsky   Masayoshi Takebayashi


               1998 MEMBERS OF THE PRIMARY STOCK OPTION COMMITTEE

                Craig R. Barrett    Irwin Federman   Max Palevsky

         The members of the Compensation  Committee and the Primary Stock Option
Committee of the Company's  Board of Directors are as named in the above report.
No member of either committee was at any time during the 1998 fiscal year, or at
any other time an officer or employee of the Company.

         No executive officer of the Company served on the board of directors or
compensation  committee  of any  entity  which has one or more of its  executive
officers  serving  as  a  member  of  the  Company's  Board  of  Directors,  the
Compensation Committee, or the Primary Stock Option Committee.  Mr. Takebayashi,
a member of the Company's  Board of Directors,  is an executive  officer of Kobe
Precision,  Inc. a wholly-owned subsidiary of Kobe Steel, Ltd. ("Kobe") and is a
member  of the  Board of Komag  Materials  Technology,  a joint  venture  of the
Company and Kobe.

                                       25
<PAGE>

Stock Performance Graph

         The following  graph shows a five-year  comparison of cumulative  total
return on common  stock for the Company,  the Nasdaq  Composite  Index,  and the
Nasdaq Computer  Manufacturing Index from December 31, 1993 through December 31,
1998.  The past  performance  of the Company's  Common Stock is no indication of
future performance.

                Comparison of Five Year Cumulative Total Return
         of Komag, Incorporated, The Nasdaq Stock Market (US Companies)
               Index, and the Nasdaq Computer Manufacturers Index


[The  following descriptive  data is supplied in  accordance with Rule 304(d) of
Regulation S-T]


         The chart above  assumes $100  invested on December 31, 1993, in Komag,
Incorporated   Common  Stock,   Nasdaq   Composite  Index  and  Nasdaq  Computer
Manufacturing  Index, and the reinvestment of dividends (although dividends have
not been declared on the Company's  Common  Stock).  Historical  returns are not
necessarily  indicative of future  performance.  The graph was plotted using the
following data:

<TABLE>

- ---------------------------------------------------------------------------------------------------------
<CAPTION>
Prices indexed to an
initial investment of $100
                              12/31/93     12/30/94     12/29/95      12/27/96     12/26/97   12/31/98
- ---------------------------------------------------------------------------------------------------------
<S>                            <C>         <C>          <C>           <C>          <C>         <C>
Komag, Incorporated            $100.00     $147.18      $259.86       $302.82      $161.27     $116.90
- ---------------------------------------------------------------------------------------------------------
Nasdaq Composite               $100.00     $ 97.75      $138.26       $170.22      $200.75     $293.21
- ---------------------------------------------------------------------------------------------------------
Nasdaq Computer Mfg            $100.00     $109.85      $172.95       $238.98      $266.78     $610.15
- ---------------------------------------------------------------------------------------------------------
</TABLE>

                                       26
<PAGE>

Summary of Cash and Certain Other Compensation


<TABLE>
         The following table sets forth the compensation earned by the Company's
Chief  Executive  Officer,  each of the Company's  four most highly  compensated
executive  officers  whose base salary and bonus for the 1998 fiscal year was in
excess of $100,000,  and two additional former executive officers of the Company
who earned in excess of $100,000, for services rendered in all capacities to the
Company  and its  subsidiaries  for the 1998,  1997 and 1996  fiscal  years (the
"Named Executive Officers").


                                             SUMMARY COMPENSATION TABLE


- -------------------------------------------------------------------------------------------------------------
<CAPTION>
                                                                                  Long Term
                                               Annual Compensation               Compensation
                                               -------------------               ------------
              Name and                                                                            All Other
             Principal                                                          Stock Options      Compen-
              Position                 Year        Salary          Bonus           Granted         sation
              --------                 ----        ------          -----           -------         ------
                                                  ($) (1)         ($) (2)     (# of shares) (3)    ($) (4)
<S>                                    <C>        <C>             <C>              <C>            <C>
  Stephen C. Johnson................   1998       $428,000           --            113,500        $    625
  President, Chief Executive           1997       $428,000        $10,621          113,810        $  9,067
  Officer and Director                 1996       $402,000        $66,949           43,500        $ 29,744

  Tu Chen...........................   1998       $428,000           --            113,500        $    625
  Chairman of the Board of             1997       $428,000        $10,621          113,810        $  9,067
  Directors                            1996       $402,000        $66,949           43,500        $ 29,744

  Christopher H. Bajorek............   1998       $321,000           --             86,640        $    625
  Senior Vice President --             1997       $316,654        $ 7,966          160,825        $  6,956
  Chief Technical Officer              1996       $150,000        $30,000          110,000           --

  Thian H. Tan......................   1998       $257,216           --             63,067        $    625
  Senior Vice President --             1997       $230,000        $ 5,708           67,854        $  5,161
  Operations                           1996       $203,000        $63,876           15,300        $ 15,882

  Ray L. Martin.....................   1998       $252,847           --             90,000        $    625
  Senior Vice President -- Customer    1997       $ 46,538           --             60,000            --
  Sales and Services                   1996          --              --                --             --

  Willard L. Kauffman...............   1998       $214,416           --             46,067        $317,600
  Former Chief Operations Officer      1997       $305,244        $ 7,643           27,285        $  6,700
  and Senior Vice President            1996       $289,000        $78,147           25,500        $ 21,559

  Sonny S. J. Wey...................   1998       $151,135           --             37,628        $371,839
  Former Vice President Product        1997       $222,000        $ 5,509           16,215        $  5,004
  Development                          1996       $209,000        $53,950           13,800        $ 15,764
- -------------------------------------------------------------------------------------------------------------
<FN>
(1)  Includes  salary  deferred  under the Komag  Savings  and  Deferred  Profit
     Sharing Plan and the Company's Non-Qualified Deferred Compensation Plan.

                                       27
<PAGE>

(2)  Includes  amounts  earned for the indicated  year under the Company's  Cash
     Profit Sharing Plan, the Management Bonus Plan and the Discretionary  Bonus
     Plan.  Amounts earned under the Cash Profit Sharing Plan are accrued during
     a given year and are paid in July of that year and  January or  February of
     the following  year.  Bonuses  earned under the  Management  Bonus Plan are
     accrued  during  a given  year  and  paid in  January  or  February  of the
     following year.  Bonuses under the Discretionary  Bonus Plan are awarded by
     the Compensation Committee for a particular fiscal year solely on the basis
     of such Committee's competitive compensation analysis for that year and are
     paid in January or  February  of the  following  year.  For the 1998 fiscal
     year, no bonuses were paid.

(3)  Fiscal  1998  Stock  Option  Grants  do  not  include  options  granted  in
     connection  with  the July  1998  Stock  Option  Cancellation  and  Regrant
     Program. See "Option Grants" table.

(4)  Includes  for  the  fiscal  years   indicated   below:   (i)  the  matching
     contributions  ($0.25 match per $1.00 individual  contribution) made by the
     Company on behalf of each Named  Executive  Officer to the  Section  401(k)
     Savings  Program,  up to a maximum  match of $625 and (ii) the  semi-annual
     profit  sharing  contributions  made by the Company on behalf of each Named
     Executive  Officer to the  Savings  and  Deferred  Profit-Sharing  Plan and
     Deferred  Compensation Plan, and (iii) payments to former officers pursuant
     to the terms of their separation of employment with the Company.
</FN>
</TABLE>

<TABLE>

                                               All Other Compensation
- ------------------------------------------------------------------------------------------------------------------
<CAPTION>
                                                            Matching        Profit Sharing        Separation
                                                          Contribution       Contribution          Payments
                                                          ------------       ------------          --------

<S>                                          <C>              <C>              <C>                  <C>
          Stephen C. Johnson                 1998             $625                  --                --
                                             1997             $625             $ 8,442                --
                                             1996             $625             $29,119                --

         Tu Chen                             1998             $625                --                  --
                                             1997             $625             $ 8,442                --
                                             1996             $625             $29,119                --

         Christopher H. Bajorek              1998             $625                  --                --
                                             1997             $625             $ 6,331                --
                                             1996              --                 --                  --

         Thian H. Tan                        1998             $625                --                  --
                                             1997             $625             $ 4,536                --
                                             1996             $625             $15,257                --

         Ray L. Martin                       1998             $625                --                  --
                                             1997              --                 --                  --
                                             1996              --                 --                  --

         Willard L. Kauffman                 1998             $625                --               $316,975
                                             1997             $625             $ 6,075                --
                                             1996             $625             $20,934                --

         Sonny S. J. Wey                     1998             $625                --               $371,214
                                             1997             $625             $ 4,379                --
                                             1996             $625             $15,139                --
- ------------------------------------------------------------------------------------------------------------------
</TABLE>

                                       28
<PAGE>

Stock Options

<TABLE>
         The  following  table  provides  information  with respect to the stock
option  grants made for the 1998 fiscal year under the  Company's  Restated 1987
Stock Option Plan to the Named Executive Officers.  Except for the limited stock
appreciation  right described below,  which formed part of the option grant made
to each of the Named  Executive  Officers,  no stock  appreciation  rights  were
granted to such individuals  during the 1998 fiscal year.  Potential  Realizable
Values noted below reflect hypothetical appreciation based on the stock price at
grant date. Unless otherwise noted,  grants dated July 1, 1998 represent options
cancelled  and   subsequently   regranted  under  the  July  1998  Stock  Option
Cancellation and Regrant Program.


                                                         OPTION GRANTS TABLE

<CAPTION>
- ------------------------------------------------------------------------------------------------------------------------------------
                                                                                           Potential Realizable
                                                                                         Value at Assumed Annual
                                                                                                  Rates
                                                                                         Stock Price Appreciation
                                            Individual Grants                                for Option Term
                                            -----------------                                ---------------
                                                    % of
                                     Number of      Total      Exercise
                                     Securities    Options     or Base                                                   Valuation
                          Date       Underlying   Granted to    Price      Expira-                                        per SFAS
                           of         Options    Employees in ($/Share)     tion                                            123
     Name               Grant(1)      Granted    Fiscal Year     (2)        Date         5%($)(3)      10%($)(3)        pro forma(4)
     ----               --------      -------    -----------     ---        ----         --------      ---------        ------------
<S>                     <C>           <C>           <C>       <C>          <C>         <C>            <C>               <C>
Stephen C. Johnson      01/30/98      113,500(6)    1.0008    $12.5625     01/30/08    $896,705(6)    $2,272,428(6)     $ 856,250(6)

                        07/01/98      113,500       1.0008    $ 5.3475     01/30/08    $361,817       $  906,049        $ 139,658

                        07/01/98       78,444        .6917    $ 5.3475     01/23/02    $ 79,678       $  169,703        $ 211,061

                        07/01/98       10,046        .0886    $ 5.3475     01/24/02    $ 10,213       $   21,753        $  27,064

                        07/01/98       46,000        .4056    $ 5.3475     01/18/04    $ 76,511       $  171,525        $ 137,503

                        07/01/98       58,000        .5114    $ 5.3475     01/25/05    $117,201       $  269,972        $  87,609

                        07/01/98       43,500        .3836    $ 5.3475     01/02/06    $102,893       $  243,123        $  82,311

                        07/01/98       43,500        .3836    $ 5.3475     01/06/07    $119,857       $  291,243        $  86,391

                        07/01/98       49,791        .4391    $ 5.3475     01/20/07    $137,947       $  335,559        $ 125,941


Tu Chen                 01/30/98      113,500(6)    1.0008    $12.5625     01/30/08    $896,705(6)    $2,272,428(6)     $ 856,250(6)

                        07/01/98      113,500       1.0008    $ 5.3475     01/30/08    $361,817       $  906,049        $ 139,658

                        07/01/98       16,400        .1446    $ 5.3475     01/24/01    $ 11,702       $   24,310        $  37,859

                        07/01/98       85,780        .7564    $ 5.3475     01/23/02    $ 87,129       $  185,574        $ 230,800

                        07/01/98       46,000        .4056    $ 5.3475     01/18/04    $ 76,511       $  171,525        $ 137,503

                        07/01/98       58,000        .5114    $ 5.3475     01/25/05    $117,201       $  269,972        $  87,609

                        07/01/98       43,500        .3836    $ 5.3475     01/02/06    $102,893       $  243,123        $  82,311

                        07/01/98       43,500        .3836    $ 5.3475     01/06/07    $119,857       $  291,243        $  86,391

                        07/01/98       49,791        .4391    $ 5.3475     01/20/07    $137,947       $  335,559        $ 125,941


Christopher H. Bajorek  01/30/98       86,640(6)     .7640    $12.5625     01/30/08    $684,498(6)    $1,734,653(6)     $ 645,181(6)

                        07/01/98       86,640        .7640    $ 5.3475     01/30/08    $276,193       $  691,630        $ 106,968

                        07/01/98      110,000        .9700    $ 5.3475     06/24/06    $280,038       $  670,385        $ 291,027

                        07/01/98       25,500        .2248    $ 5.3475     01/06/07    $ 70,261       $  170,729        $  50,643

                        07/01/98      100,000        .8818    $ 5.3475     01/20/07    $277,052       $  673,936        $ 252,940

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

                                                                 29
<PAGE>

- ------------------------------------------------------------------------------------------------------------------------------------
                                                                                           Potential Realizable
                                                                                         Value at Assumed Annual
                                                                                                  Rates
                                                                                         Stock Price Appreciation
                                            Individual Grants                                for Option Term
                                            -----------------                                ---------------
                                                    % of
                                     Number of      Total      Exercise
                                     Securities    Options     or Base                                                   Valuation
                          Date       Underlying   Granted to    Price      Expira-                                        per SFAS
                           of         Options    Employees in ($/Share)     tion                                            123
     Name               Grant(1)      Granted    Fiscal Year     (2)        Date         5%($)(3)      10%($)(3)        pro forma(4)
     ----               --------      -------    -----------     ---        ----         --------      ---------        ------------

Ray L. Martin           01/30/98       29,167(6)     .2572    $12.5625     01/30/08    $230,434(6)    $  583,964(6)     $ 221,784(6)

                        07/01/98       29,167        .2572    $ 5.3475     01/30/08    $ 92,979       $  323,835        $  35,705

                        07/01/98       60,000        .5291    $ 5.3475     10/06/07    $183,390       $  455,105        $ 116,160

                        07/01/98       60,833(5)     .5364    $ 5.3475     07/01/08    $204,532       $  518,452        $ 181,842


Thian H. Tan            01/30/98       63,607(6)     .5561    $12.5625     01/30/08    $498,260(6)    $1,262,689(6)     $ 469,295(6)

                        07/01/98       63,067        .5561    $ 5.3475     01/30/08    $201,046       $  503,452        $  78,219

                        07/01/98        8,506        .0750    $ 5.3475     01/18/04    $ 14,148       $   31,717        $  25,426

                        07/01/98       18,400        .1623    $ 5.3475     01/25/05    $ 37,181       $   85,646        $  27,793

                        07/01/98       15,300        .1349    $ 5.3475     01/02/06    $ 36,190       $   85,512        $  28,951

                        07/01/98       15,300        .1349    $ 5.3475     01/06/07    $ 42,157       $  102,437        $  30,386

                        07/01/98       50,000        .4410    $ 5.3475     01/20/07    $138,526       $  336,968        $ 126,470


Willard L. Kauffman     01/30/98       46,067        .4062    $12.5625     01/30/08    $363,952       $  922,325        $ 351,808


Sonny S. J. Wey         01/30/98       37,628        .3318    $12.5625     01/30/08    $297,280       $  753,365        $ 282,900

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

         Each new  option  has a maximum  term of 10 years,  subject  to earlier
termination  upon the optionee's  cessation of service.  Repriced options retain
the remaining  option term of the original grant at the time of repricing.  Each
option  will become  immediately  exercisable  for all the option  shares in the
event the Company is  acquired  by a merger or asset sale  (unless the option is
assumed or  replaced  by the  acquiring  entity) or in the event the  optionee's
employment  terminates by reason of death or permanent  disability.  Each option
includes  a  limited  stock   appreciation  right  which  would  result  in  the
cancellation of that option upon a take-over of the Company  effected  through a
hostile  tender  offer for more  than 50% of the  Company's  outstanding  Common
Stock. In return,  the optionee will be entitled to a cash distribution from the
Company per canceled  option share equal to the highest  reported price paid per
share of Common  Stock in such tender offer less the option  exercise  price per
share.

<FN>
(1)  Regranted  options vest according to the vesting  schedule of each original
     option grant.  All regranted  options are subject to the one-year  exercise
     blackout  period  imposed  under the terms of the July  1998  Stock  Option
     Cancellation and Regrant Program.  Unless otherwise noted, items dated July
     1, 1998 are regranted options.

(2)  The exercise  price may be paid in cash, in shares of the Company's  Common
     Stock  valued at fair  market  value on the  exercise  date,  or  through a
     cashless  exercise  procedure  involving a same-day  sale of the  purchased
     shares.

(3)  There is no  assurance  provided  to any  executive  officer,  or any other
     holder  of  the   Company's   securities,   that  the  actual  stock  price
     appreciation  from the grant date and over the 10 year  option term will be
     at the assumed 5% and 10% levels or at any other defined level.  Unless the
     market price of the Common Stock appreciates over the option term, no value
     will be realized from the option grants made to the executive officers.

(4)  For  purposes of such pro forma  disclosure,  the fair value of each option
     grant is  estimated  on the date of grant  using the  Black-Scholes  option
     pricing model with the following  assumptions:  risk-free  interest rate

                                       30
<PAGE>

     of 5.5%;  volatility  factor of the expected  market price of the Company's
     Common Stock of 63.4%; and a weighted-average expected life of such options
     of 4.8 years. There was no dividend yield included in the calculation since
     the Company  does not pay  dividends.  The  weighted-average  fair value of
     options  granted to all  employees  during  1998 was  $4.3885.  For officer
     grants  during  1998,  the  weighted-average  fair value of the options was
     $3.9945.

(5)  Indicates a new stock option granted July 1, 1998.

(6)  This option was granted on January 30, 1998 and was  subsequently  canceled
     in  connection  with the July 1, 1998  Option  Regrant.  Accordingly,  this
     option is no longer outstanding and has no potential  realizable value. See
     "Report  of  the  Compensation  and  Primary  Stock  Option  Committees  on
     Executive Compensation".
</FN>
</TABLE>


Option Exercises and Holdings

<TABLE>
         The table  below sets forth  information  concerning  the  exercise  of
options during the 1998 fiscal year and  unexercised  options held as of the end
of such year by the Named Executive Officers.  No stock appreciation rights were
exercised during such fiscal year, and except for the limited stock appreciation
rights described  immediately  following the Option Grant Table above which form
part of each stock option grant, no stock  appreciation  rights were outstanding
at the end of such fiscal year.

                                     OPTION EXERCISES AND YEAR-END VALUE TABLE

                 Aggregated Option Exercises in Last Fiscal Year and Fiscal Year End Option Value:
- -------------------------------------------------------------------------------------------------------------------
<CAPTION>
                                                                                                 Value of
                                                                       Number of                Unexercised
                                                                 Securities Underlying         In-The-Money
                                  Shares                          Unexercised Options        Options at Fiscal
                                 Acquired           Value        At Fiscal Year-End (#)      Year-End ($) (2)
                               on Exercise       Realized (1)       Exercisable (E)/         Exercisable (E)/
           Name                    (#)               (#)           Unexercisable (U)          Unexercisable (U)
           ----                    ---               ---           -----------------          -----------------
<S>                                 <C>               <C>              <C>                     <C>
   Stephen C. Johnson               --                --               283,812 E               $1,275,687 E
                                                                       247,119 U (3)           $1,242,391 U

   Tu Chen                          --                --               209,351 E               $1,052,512 E
                                                                       247,120 U (3)           $1,242,396 U

   Christopher H. Bajorek           --                --                78,751 E               $  395,921 E
                                                                       243,389 U (3)           $1,223,638 U

   Ray L. Martin                    --                --                15,000 E               $   75,412 E
                                                                       135,000 U (3)           $  678,712 U

   Thian H. Tan                     --                --                30,373 E               $  152,700 E
                                                                       140,200 U (3)           $  704,856 U

   Willard L. Kauffman              --                --               117,771 E               $  135,200 E
                                                                        58,881 U               $     --   U

   Sonny S. J. Wey                  --                --                64,743 E               $   88,753 E
                                                                        68,198 U               $     --   U
- -------------------------------------------------------------------------------------------------------------------


                                       31
<PAGE>

<FN>
(1)  Value  Realized  equals the market price value of the shares at the time of
     exercise less the exercise price thereof.

(2)  Excess of the closing price per share of the Company's  Common Stock at the
     end of the fiscal year ($10.375)  over the option  exercise  price.  If the
     closing  price  is  less  than  the  exercise  price,  then  the  value  of
     unexercised options equals zero.

(3)  Numbers  include options not exercisable due to the blackout period imposed
     under the terms of the July 1998  Stock  Option  Cancellation  and  Regrant
     Program.
</FN>
</TABLE>

Option Regrant Program

<TABLE>
         The following table sets forth certain  information with respect to the
Company's  regrant of  outstanding  options with certain of its officers in July
1998 and March  1989.  For  further  information  with  respect  to such  option
regrants, see "Report of the Compensation and Primary Stock Option Committees on
Executive Compensation".

                                               TABLE OF TEN-YEAR OPTION REPRICINGS (1)

- ------------------------------------------------------------------------------------------------------------------------------------
<CAPTION>
                                                                                                                Weighted Length
                                                 Number of      Market Price      Weighted                        of Original
                                                Securities      of Stock at       Exercise                        Option Term
                                                Underlying        Time of         Price at                        Remaining at
                                                  Options      Repricing or        Time of         New              Date of
                                                Repriced or      Amendment       Repricing or    Exercise         Repricing or
Name & Principal Position            Date         Amended           ($)           Amendment      Price ($)          Amendment
- -------------------------            ----         -------           ---           ---------      ---------          ---------

<S>                                <C>            <C>             <C>             <C>             <C>            <C>
Stephen C. Johnson.....(2)         07/01/98       442,781         $5.3475         $ 15.7532       $5.3475        7 years  55 days
   President, Chief Executive
   Officer and Director

Tu Chen..................(2)       07/01/98       456,471         $5.3475         $ 15.4830        $5.3475       7 years   3 days
   Chairman of the Board
    of Directors

Christopher H. Bajorek....         07/01/98       322,140         $5.3475         $ 23.0739        $5.3475       8 years 235 days
     Senior Vice President --
   Chief Technical Officer

Thian H. Tan................       07/01/98       170,573         $5.3475         $ 19.3279        $5.3475       8 years 176 days
   Senior Vice President --
   Operations

Ray L. Martin................      07/01/98        89,167         $5.3475         $ 17.1886        $5.3475       9 years 137 days
   Senior Vice President --
   Customer Sales and
   Service

Sonny S. J. Wey..........(2)       03/16/89        51,176         $3.2500         $  4.4253        $3.2500       4 years 244 days
   Former Vice President --
   Product Development

Ronald Allen................       03/16/89        31,800         $3.2500         $  4.4178        $3.2500       4 years 196 days
   Vice President --               07/01/98        78,273         $5.3475         $ 16.4688        $5.3475       8 years 227 days
   Manufacturing
   Technologies

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

                                                                 32
<PAGE>

- ------------------------------------------------------------------------------------------------------------------------------------
                                                                                                                Weighted Length
                                                 Number of      Market Price      Weighted                        of Original
                                                Securities      of Stock at       Exercise                        Option Term
                                                Underlying        Time of         Price at                        Remaining at
                                                  Options      Repricing or        Time of         New              Date of
                                                Repriced or      Amendment       Repricing or    Exercise         Repricing or
Name & Principal Position            Date         Amended           ($)           Amendment      Price ($)          Amendment
- -------------------------            ----         -------           ---           ---------      ---------          ---------

Richard H. Austin...........       07/01/98       138,090         $5.3475         $ 13.3976        $5.3475       6 years 351 days
   Vice President -- Wordwide
   Substrate Manufacturing
   And Support Services

Timothy J. Gallagher........       07/01/98        74,480         $5.3475         $ 16.6887        $5.3475       9 years 145 days
   Vice President --
   Product Development

Elizabeth A. Lamb...........       07/01/98        92,349         $5.3475         $ 20.0254        $5.3475       8 years 288 days
   Vice President --
   Human Resources

William L. Potts, Jr. ......       03/16/89        20 400         $3.2500         $  4.4252        $3.2500       4 years 241 days
   Senior Vice President,          07/01/98       161,820         $5.3475         $ 15.1615        $5.3475       7 years  88 days
   Chief Financial Officer
   and Secretary

Tan Thiam Seng..............       07/01/98        61,507         $5.3475         $ 14.4550        $5.3475       8 years 275 days
   Vice President --
   Penang Operations

Tsutomu T. Yamashita........       03/16/89        14,000         $3.2500         $  4.4196        $3.2500       4 years 313 days
   Vice President -- Research      07/01/98       188,727         $5.3475         $ 17.9698        $5.3475       7 years 235 days
   and Process Development

Sanford Fitch...............       03/16/89        49,082         $3.2500         $  4.3866        $3.2500       4 years  12 days
   Former Vice President
   Chief Financial Officer

Philip Gahr, Sr. ...........       03/16/89        81,750         $3.2500         $  4.4100         $3.2500      4 years 150 days
   Former Vice President
   Operations

Kathryn A. McGann...........       03/16/89        60,000         $3.2500         $  5.0625         $3.2500      4 years 183 days
   Former Vice President
   Human Resources

T. Hunt Payne...............       03/16/89        27,000         $3.250          $ 4.4375          $3.250       4 years 313 days
   Former Vice President
   Marketing and Sales

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

<FN>
(1)  Table includes two regrant  programs  available to officers during the past
     ten fiscal years. For the July 1998 Regrant Program, officers were required
     to  forfeit  special  options  granted  to them  on  October  6,  1997 as a
     condition of accepting new options.  In addition,  a one-year exercise hold
     was imposed on all July 1998 regranted options.

(2)  Stephen C.  Johnson  and Tu Chen were not  eligible to  participate  in the
     March 1989 Stock Option Regrant  Program.  Willard L. Kauffman and Sonny S.
     J. Wey, former executive officers named in Grant Table, did not participate
     in the July 1998 Option Regrant Program.
</FN>
</TABLE>

                                       33
<PAGE>

Officer Loans

         The Company has advanced a total sum of $246,985 to Mr.  Bajorek during
the  1997 and  1998  fiscal  years to  finance  the  cost of his  legal  fees in
connection  with a lawsuit  brought by his former  employer.  The advances  bear
interest at the market  rate  required  under the federal tax laws.  The highest
amount  outstanding  under  these  advances  during  the  1998  fiscal  year was
$267,187, and as of March 29, 1999, the amount outstanding was $270,469.

         The  Company has  advanced a total sum of $233,684 to Mr.  Thian H. Tan
during the 1998 fiscal year as a personal  loan.  The advances  bear interest at
the  market  rate  required  under the  federal  tax laws.  The  highest  amount
outstanding  under these advances during the 1998 fiscal year was $236,689,  and
as of March 29, 1999, the amount outstanding was $48,214.

Compliance with Section 16(a) Beneficial Ownership Reporting

         Section  16(a) of the  Securities  Exchange  Act of 1934  requires  the
Company's  directors and executive  officers,  and persons who own more than ten
percent of a registered class of the Company's equity  securities,  to file with
the Commission  initial reports of ownership and reports of changes in ownership
of common stock and other equity securities of the Company. Officers,  directors
and greater than ten percent stockholders are required by Commission regulations
to furnish the Company with copies of all Section 16(a) forms they file.

         To the Company's  knowledge,  based solely upon written  review of such
reports  furnished  to the  Company and  written  representations  that no other
reports were required, during the fiscal year ended January 3, 1999, all Section
16(a) filing requirements  applicable to the Company's  officers,  directors and
greater than ten percent stockholders were met in a timely manner.

                                 OTHER BUSINESS

         The  Board  of  Directors  knows  of no  other  business  that  will be
presented for consideration at the Annual Meeting. If other matters are properly
brought before the Annual Meeting,  however,  it is the intention of the persons
named in the accompanying proxy to vote the shares  represented  thereby on such
matters in accordance with their best judgment.

                                       34
<PAGE>

                              STOCKHOLDER PROPOSALS

         Stockholders  of the Company  may submit  proposals  that they  believe
should be voted upon at the Annual  Meeting or nominate  persons for election to
the Board of Directors.  In accordance with the Company's  Bylaws and applicable
rules under the Securities  Exchange Act of 1934, as amended,  any such proposal
or  nomination  must be submitted in writing to the  Secretary of the Company no
later  than  December  31,  1999.  As set forth in the  Company's  Bylaws,  this
submission must include certain specified information concerning the proposal or
nominee,  as the  case  may be.  Proposals  or  nominations  not  meeting  these
requirements will not be entertained at the Annual Meeting. The Secretary should
be contacted in writing at the address on the first page of this Proxy Statement
to make any submission or to obtain additional information as to the proper form
and  content  of  submissions.  Stockholders  interested  in  submitting  such a
proposal  are  advised  to contact  knowledgeable  counsel  with  regards to the
detailed requirements of submitting such a proposal.


                                        By Order of the Board of Directors



                                        TU CHEN
                                        Chairman of the Board

                                       35
<PAGE>

                                                                      APPENDIX A


                               KOMAG, INCORPORATED

                        1988 EMPLOYEE STOCK PURCHASE PLAN

             (Restated June 29, 1992 and Amended January 27, 1994,
            January 22, 1997, January 30, 1998 and February 4, 1999)


       I.         PURPOSE

                  The Komag, Incorporated 1988 Employee Stock Purchase Plan (the
"Plan") is intended to provide eligible employees of the Company and one or more
of its  Corporate  Affiliates  with the  opportunity  to  acquire a  proprietary
interest in the Company through  participation  in a plan designed to qualify as
an employee stock  purchase plan under Section 423 of the Internal  Revenue Code
(the "Code").

      II.         DEFINITIONS

                  For  purposes of  administration  of the Plan,  the  following
terms shall have the meanings indicated:

                  Base Compensation  means (i) the regular base earnings paid to
a Participant by one or more Participating  Companies,  before deduction for any
contributions  made on the Participant's  behalf to any Code Section 401(k) Plan
maintained by the Company or any Corporate  Affiliate.  The  calculation of Base
Compensation  may also  include,  at the  discretion  of the Plan  Administrator
exercisable  prior to the start of any purchase period,  bonuses,  overtime pay,
shift  differentials  and  other  differentials.   Base  Compensation  shall  be
calculated on the basis of  equivalent  bi-weekly  straight-time  hours (up to a
maximum of 79.50 hours for  three-day  shift  employees  and 80.00 hours for all
other  employees)  multiplied  by  straight-time  rate.  In no event  shall Base
Compensation   include  any   profit-sharing   or  other   non-salary   deferral
contributions  made  on the  Participant's  behalf  pursuant  to  any  qualified
profit-sharing plan under Code Section 401(a).

                  Board means the Board of Directors of the Company.

                  Company means Komag, Incorporated, a Delaware corporation, and
any  corporate  successor  to all or  substantially  all of the assets or voting
stock of Komag, Incorporated, which shall by appropriate action adopt the Plan.

                  Corporate  Affiliate  means any  company  which is either  the
parent corporation or a subsidiary  corporation of the Company (as determined in
accordance  with Section 424 of the Code),  including  any parent or  subsidiary
corporation which becomes such after the Effective Date.

                  Effective   Date  means,   with   respect  to  the  1992  plan
restatement,  June 29, 1992.  However,  should any Corporate  Affiliate become a
Participating  Company in the Plan after such applicable  date, then such entity
shall   designate   a   separate    Effective   Date   with   respect   to   its
employee-Participants.

                  Employee  means any person  who is  regularly  engaged,  for a
period of more than 20 hours per week for more than 5 months per calendar  year,
in the rendition of personal services to the Company or any other  Participating
Company for earnings considered wages under Section 3121(a) of the Code.

                  Fiscal Quarter means a three-month  period  corresponding to a
fiscal  quarter of the Company,  based on the  Company's  52-53 week fiscal year
ending on the Sunday closest to December 31st of each year.

                  Participant  means any  Employee  of a  Participating  Company
actively participating in the Plan.

<PAGE>

                  Participating  Company  means the Company  and such  Corporate
Affiliate or Affiliates as may be designated from time to time by the Board. The
Participating  Companies in the Plan,  as of the Effective  Date,  are listed in
attached Schedule A.

                  Stock means shares of the common stock of the Company.

     III.         ADMINISTRATION

                  (a)  The  Plan  shall  be  administered  by a  committee  (the
"Committee")  comprised  of at  least  two  non-employee  members  of the  Board
appointed  from time to time by the Board.  The Committee as Plan  Administrator
shall  have full  authority  to  administer  the Plan,  including  authority  to
interpret  and  construe  any  provision of the Plan and to adopt such rules and
regulations  for  administering  the Plan as it may deem  necessary  in order to
comply  with  the  requirements  of Code  Section  423.  Decisions  of the  Plan
Administrator  shall be final and binding on all parties who have an interest in
the Plan.

                  (b) No member of the Committee  while serving as such shall be
eligible to participate in the Plan.

      IV.         PURCHASE PERIODS

                  (a) Stock shall be offered for purchase under the Plan through
a series of  successive  purchase  periods  until  such time as (i) the  maximum
number of shares of Stock  available for issuance under the Plan shall have been
purchased or (ii) the Plan shall have been sooner  terminated in accordance with
Article X or Article XI.

                  (b) The Plan shall be  implemented  in a series of  successive
purchase periods, each of such duration (not to exceed six months) as determined
by the  Plan  Administrator  prior to the  start  date of the  purchase  period.
Purchase periods will start, at the Plan Administrator's  discretion,  either on
the first day or the first  Monday of each  successive  Fiscal  Quarter  or each
alternate  successive  Fiscal Quarter.  Accordingly,  either four (4) or two (2)
separate purchase periods may commence per Fiscal Year.

                  (c) The Participant shall be granted a separate purchase right
for each purchase period in which he/she participates.  The purchase right shall
be granted on the first day of the  purchase  period and shall be  automatically
exercised  in (i)  successive  quarterly  installments  on the  last day of each
Fiscal  Quarter  such  purchase  right  remains  outstanding,  in the  case of a
purchase  period in which purchases are effected  quarterly,  or (ii) successive
semi-annual  installments on the last day of each alternate  Fiscal Quarter such
purchase right remains  outstanding,  in the case of a purchase  period in which
purchases are effected semi-annually.

                  (d) An Employee may participate in only one purchase period at
a time.  Accordingly,  an Employee who wishes to join a new purchase period must
withdraw from the current purchase period in which he/she is  participating  and
must also enroll in the new purchase period prior to the  commencement  date for
that period.

                  (e) The acquisition of Stock through participation in the Plan
for any purchase period shall neither limit nor require the acquisition of Stock
by the Participant in any subsequent purchase period.  However,  the acquisition
of Stock  through  participation  in the Plan for any  purchase  period shall be
counted toward the  limitations on the number of purchasable  shares as provided
in Section VII(b) and the accrual limitations as provided in Section VIII.

                  (f) Under no  circumstances  shall any purchase rights granted
under the Plan be exercised,  nor shall any shares of Stock be issued hereunder,
until  such time as (i) the Plan  shall  have  been  approved  by the  Company's
shareholders  and (ii) the  Company  shall  have  complied  with all  applicable
requirements of the Securities Act of 1933 (as

                                       2
<PAGE>

amended),  all applicable  listing  requirements  of any securities  exchange on
which the Stock is listed and all other applicable  requirements  established by
law or regulation.

       V.         ELIGIBILITY AND PARTICIPATION

                  (a)  Every  Employee  of  a  Participating  Company  shall  be
eligible  to  participate  in the Plan on the first  day of the  first  purchase
period following the Employee's  commencement of service with the Company or any
Corporate Affiliate,  but in no event shall participation  commence prior to the
Effective Date.

                  (b) In order  to  participate  in the  Plan  for a  particular
purchase  period,  the Employee must complete the enrollment forms prescribed by
the Plan  Administrator  (including a purchase agreement and a payroll deduction
authorization)  and  file  such  forms  with  the  Plan  Administrator  (or  its
designate)  prior  to  the  commencement  date  of  the  purchase  period.  Such
enrollment  shall be effective for  subsequent,  but not  overlapping,  purchase
periods,  unless the Employee notifies the Plan Administrator (or its designate)
to the contrary prior to the commencement  date of any such subsequent  purchase
period.

                  (c) The payroll  deduction  authorized  by a  Participant  for
purposes of acquiring Stock under the Plan may be any multiple of 1% of the Base
Compensation paid to the Participant  during the relevant purchase period, up to
a maximum of 10%. The deduction rate so authorized  shall continue in effect for
the entire purchase period and for each subsequent  purchase period,  unless the
Participant  shall,  prior  to the end of the  purchase  period  for  which  the
purchase right is in effect, reduce the rate by filing the appropriate form with
the Plan  Administrator  (or its  designate).  The  reduced  rate  shall  become
effective  as soon as  practicable  following  the  filing  of such  form.  Each
Participant  shall be permitted such a rate reduction only two (2) times in each
purchase  period.  The  reduced  rate  shall  continue  in effect for the entire
purchase period and for each subsequent purchase period,  unless the Participant
shall,  prior to the commencement of any subsequent  purchase period designate a
different rate (up to the 10% maximum) by filing the  appropriate  form with the
Plan  Administrator (or its designate).  The new rate shall become effective for
the first  purchase  period  commencing  after the filing of such form.  Payroll
deductions,  however,  will  automatically  cease  upon the  termination  of the
Participant's purchase right in accordance with Section VII(d) or (e) below.

      VI.         STOCK SUBJECT TO PLAN

                  (a) The  Stock  purchasable  by  Participants  under  the Plan
shall,  solely  in  the  Board's  discretion,  be  made  available  from  either
authorized  but unissued Stock or from  reacquired  Stock,  including  shares of
Stock  purchased on the open  market.  The total number of shares of Stock which
may be issued  under the Plan  shall not exceed  7,400,000  shares  (subject  to
adjustment under Section VI(b)). Such share reserve includes the 2,550,000-share
increase  authorized  by the Board on February 4, 1999,  subject to  stockholder
approval at the 1999 Annual Meeting.

                  (b) In the event any  change is made to the Stock  purchasable
under the Plan by reason of any recapitalization,  stock dividend,  stock split,
combination of shares or other change affecting the outstanding  common stock of
the  Company as a class  without  receipt  of  consideration,  then  appropriate
adjustments  shall be made by the Plan  Administrator  to the class and  maximum
number of shares  purchasable  under the Plan,  the class and maximum  number of
shares  purchasable per Participant  under any purchase right outstanding at the
time or purchasable per Participant over the term of the Plan, and the class and
number of shares  and the price per share of the Stock  subject  to  outstanding
purchase rights held by Participants under the Plan.

                                       3
<PAGE>

     VII.         PURCHASE RIGHTS

                  An  Employee  who  participates  in the Plan for a  particular
purchase  period shall have the right to purchase  Stock on the  purchase  dates
designated by the Plan Administrator for such purchase period upon the terms and
conditions set forth below and shall execute a purchase agreement embodying such
terms and conditions and such other provisions (not  inconsistent with the Plan)
as the Plan Administrator may deem advisable.

                  (a) Purchase Price.  The purchase price per share shall be the
lesser  of (i) 85% of the fair  market  value of a share of Stock on the date on
which the  purchase  right is granted or (ii) 85% of the fair market  value of a
share of Stock on the date the  purchase  right is  exercised.  For  purposes of
determining  such fair market value (and for all other valuation  purposes under
the  Plan),  the fair  market  value  per  share  of Stock on any date  shall be
determined in accordance with the following provisions:

                                 (i) If the  Stock is not at the time  listed or
                  admitted to trading on any stock exchange but is traded on the
                  Nasdaq National Market,  the fair market value per share shall
                  be the closing selling price per share of Stock on the date in
                  question,   as  such  prices  are  reported  by  the  National
                  Association  of  Securities  Dealers  on the  Nasdaq  National
                  Market.  If there is no reported  closing selling price on the
                  date  in  question,  then  the  closing  selling  on the  last
                  preceding  date  for  which  such  quotation  exists  shall be
                  determinative of fair market value.

                                (ii)  If the  Stock  is at the  time  listed  or
                  admitted  to  trading  on any  stock  exchange,  then the fair
                  market value shall be the closing  selling  price per share of
                  Stock on the date in question on the stock exchange determined
                  by the Plan  Administrator  to be the  primary  market for the
                  Stock, as such price is officially quoted on such exchange. If
                  there is no  reported  sale of Stock on such  exchange  on the
                  date in  question,  then the fair  market  value  shall be the
                  closing  selling  price on the exchange on the last  preceding
                  date for which such quotation exists.

                  (b)  Number  of  Purchasable  Shares.  The  number  of  shares
purchasable by a Participant on any particular purchase date shall be the number
of whole shares  obtained by dividing the amount  collected from the Participant
through payroll  deductions during the quarterly or semi-annual period beginning
with the start of the purchase  period or the most recent  purchase  date in the
same purchase period (whichever is applicable), together with any amount carried
over from the preceding  purchase date in the same purchase  period  pursuant to
the  provisions  of Section  VII(f),  by the  purchase  price in effect for such
purchase  date.  However,  the  maximum  number  of  shares  purchasable  by the
Participant on any purchase date shall not exceed 3,000 shares, in the case of a
purchase period in which purchases are effected  quarterly,  or 6,000 shares, in
the case of a purchase  period in which  purchases  are  effected  semi-annually
(subject in either instance to adjustment under Section VI(b)). In addition, the
maximum  number of shares  for which  purchase  rights may in the  aggregate  be
granted to any individual who is subject to the short-swing profit  restrictions
of the  Federal  securities  laws shall not exceed  50,000  shares  (subject  to
adjustment under Section VI(b)) over the term of the Plan. Accordingly,  no such
officer  or  director  shall be  eligible  to  receive  purchase  rights for any
purchase  period if the number of shares which would otherwise be purchasable by
such  individual  for that purchase  period would result in the issuance to such
individual  of  shares  of Stock in  excess  of the  maximum  number  of  shares
purchasable in the aggregate by such  individual over the term of the Plan. Each
of the foregoing  share-limitations has been adjusted to reflect the two-for-one
forward split of the Stock effected on December 21, 1995.

                  Under no circumstances  shall purchase rights be granted under
the Plan to any Employee if such Employee  would,  immediately  after the grant,
own  (within  the meaning of Section  424(d) of the Code),  or hold

                                       4
<PAGE>

outstanding options or other rights to purchase,  stock possessing 5% or more of
the total combined  voting power or value of all classes of stock of the Company
or any of its Corporate Affiliates.

                  (c) Payment.  Payment for Stock purchased under the Plan shall
be effected by means of the Participant's  authorized payroll  deductions.  Such
deductions  shall  begin on the first  pay day  coincident  with or  immediately
following  the  commencement  date of the  relevant  purchase  period  and shall
terminate with the pay day ending with or  immediately  prior to the last day of
the  purchase  period.  The  amounts  so  collected  shall  be  credited  to the
Participant's  individual  account under the Plan, but no interest shall be paid
on the  balance  from  time to time  outstanding  in the  account.  The  amounts
collected  from a Participant  may be commingled  with the general assets of the
Company and may be used for general corporate purposes.

                  (d)      Termination of Purchase Rights.

                           (i) A Participant  may,  prior to any purchase  date,
terminate  his/her  outstanding  purchase  right  under the Plan by  filing  the
prescribed notification form with the Plan Administrator (or its designate). The
Company will then refund all sums previously  collected from the Participant and
not previously  applied to the purchase of Stock during the purchase period, and
no further  amounts will be collected from the  Participant  with respect to the
terminated purchase right.

                           (ii)  The  termination   shall  be  irrevocable  with
respect to the  particular  purchase  period to which it pertains and shall also
require the Participant to re-enroll in the Plan (by making a timely filing of a
new purchase  agreement and payroll deduction  authorization) if the Participant
wishes to resume participation in a subsequent purchase period.

                  (e)  Termination  of  Employment.   If  a  Participant  ceases
Employee status during any purchase period,  then the Participant's  outstanding
purchase  right  under  the  Plan  shall  immediately  terminate  and  all  sums
previously  collected from the  Participant  and not  previously  applied to the
purchase  of stock  during such  purchase  period  shall be  promptly  refunded.
However,  should the  Participant  die or become  permanently  disabled while in
Employee  status,  then the  Participant  or the  person or  persons to whom the
rights of the deceased  Participant under the Plan are transferred by will or by
the laws of descent and distribution  (the  "successor") will have the election,
exercisable  at any  time  prior  to the  purchase  date  for the  quarterly  or
semi-annual  period  in  which  the  Participant  dies  or  becomes  permanently
disabled,  to (i) withdraw all the funds in the Participant's payroll account at
the time of his/her cessation of Employee status or (ii) have such funds applied
to the  purchase  of shares  of Stock on the next  purchase  date.  In no event,
however,  shall any further  payroll  deductions  be added to the  Participant's
account following his/her cessation of Employee status.

                  For  purposes  of  the  Plan:  (a)  a  Participant   shall  be
considered  to be an  Employee  for so long as such  Participant  remains in the
employ of the Company or any other Participating  Company under the Plan and (b)
a Participant shall be deemed to be permanently disabled if he/she is unable, by
reason of any medically  determinable  physical or mental impairment expected to
result in death or to be of continuous  duration of at least twelve (12) months,
to engage in any substantial gainful employment.

                  (f)  Stock  Purchase.  Outstanding  purchase  rights  shall be
automatically  exercised in a series of successive  installments  as provided in
Section IV(c). The exercise shall be effected by applying the amount credited to
the Participant's account on the last date of the Fiscal Quarter, in the case of
a purchase period in which purchases are effected quarterly, or the last date of
the  alternate  Fiscal  Quarter,  in the  case of a  purchase  period  in  which
purchases are effected  semi-annually,  to the purchase of whole shares of Stock
(subject to the  limitations  on the maximum  number of  purchasable  shares set
forth in Section VII(b)) at the purchase price in effect for such purchase date.
Any amount remaining in the  Participant's  account after such purchase shall be
held for the  purchase of Stock on the next  quarterly or  semi-annual  purchase
date within the purchase period; provided,  however, that any amount not applied
to the  purchase  of Stock at the end of a  purchase  period  shall be  refunded
promptly after the close of the purchase  period,  and any

                                       5
<PAGE>

amount not  applied to the  purchase  of stock by reason of the  Section  VII(b)
limitations  on the  maximum  number of  purchasable  shares  shall be  refunded
promptly after the quarterly or semi-annual purchase date.

                  (g) Proration of Purchase  Rights.  Should the total number of
shares of Stock  which are to be  purchased  pursuant  to  outstanding  purchase
rights on any  particular  date exceed the number of shares then  available  for
issuance under the Plan, the Plan Administrator shall make a pro-rata allocation
of the  available  shares  on a uniform  and  nondiscriminatory  basis,  and any
amounts  credited  to the  accounts  of  Participants  shall,  to the extent not
applied to the purchase of Stock, be refunded to the Participants.

                  (h) Rights as Shareholder.  A Participant shall have no rights
as a shareholder  with respect to shares covered by the purchase  rights granted
to the Participant under the Plan until the shares are actually purchased on the
Participant's  behalf in accordance with Section VII(f). No adjustments shall be
made for dividends,  distributions  or other rights for which the record date is
prior to the date of such purchase.

                  A  Participant  shall  be  entitled  to  receive,  as  soon as
practicable after the date of each purchase,  stock  certificates for the number
of shares purchased on the Participant's  behalf. Such certificate may, upon the
Participant's  request,  be issued in the names of the  Participant  and his/her
spouse as community property or as joint tenants with right of survivorship.

                  In lieu of delivering a stock certificate to each Participant,
the Plan  Administrator  may, in its discretion,  implement a designated  broker
program and direct the Company to issue a single stock  certificate  to a broker
designated by the Plan Administrator.  Such designated broker shall establish an
account for each  Participant  in the Plan and shall effect  transfers and sales
from such  account  at the  direction  of the  Participant.  To  facilitate  the
designated broker program, the Plan Administrator may require, as a condition to
participation  in the Plan,  that a Participant  agree to the issuance of his or
her stock certificates directly to the designated broker.

                  (i)  Assignability.  No purchase rights granted under the Plan
shall be assignable or  transferable  by a Participant  except by will or by the
laws of descent and  distribution,  and the purchase  rights  shall,  during the
lifetime of the Participant, be exercisable only by such Participant.

                  (j) Merger or Liquidation of Company. In the event the Company
or its  shareholders  enter into an agreement to dispose of all or substantially
all of the  assets or  outstanding  capital  stock of the  Company by means of a
sale,  merger or  reorganization  in which the Company will not be the surviving
corporation (other than a reorganization  effected primarily to change the State
in which the Company is incorporated) or in the event the Company is liquidated,
then all  outstanding  purchase  rights  under the Plan shall  automatically  be
exercised immediately prior to such sale, merger,  reorganization or liquidation
by applying all sums previously  collected from  Participants  pursuant to their
payroll  deductions in effect for such rights to the purchase of whole shares of
Common Stock, subject, however, to the applicable limitations of Section VII(b).

    VIII.         ACCRUAL LIMITATIONS

                  (a) No  Participant  shall be  entitled  to  accrue  rights to
acquire  Stock  pursuant  to any  purchase  right  under this Plan if and to the
extent such accrual,  when  aggregated with (I) Stock rights accrued under other
purchase  rights  outstanding  under this Plan and (II) similar  rights  accrued
under other  employee stock purchase plans (within the meaning of Section 423 of
the Code) of the Company or its Corporate  Affiliates,  would  otherwise  permit
such  Participant to purchase more than $25,000 worth of stock of the Company or
any  Corporate  Affiliate  (determined  on the basis of the fair market value of
such stock on the date or dates such rights are granted to the  Participant) for
each calendar year such rights are at any time outstanding.

                  (b) For  purposes  of  applying  the  accrual  limitations  of
Section  VIII(a),   the  right  to  acquire  Stock  under  each  purchase  right
outstanding under the restated Plan shall accrue as follows:

                                       6
<PAGE>

                          - The right to acquire  Stock under each such purchase
         right shall accrue in a series of successive  quarterly or  semi-annual
         installments  as and when the purchase right first becomes  exercisable
         for each installment as provided in Section IV(c).

                          - No right to  acquire  Stock  under  any  outstanding
         purchase right shall accrue to the extent the  Participant  has already
         accrued in the same calendar year the right to acquire Stock under that
         purchase right or any other purchase  rights held by the Participant at
         the rate of $25,000  worth of Stock  (based on the fair market value on
         the date or dates of grant) for each calendar year (or portion thereof)
         for which such purchase rights have been outstanding.

                          - If by reason of the Section VIII(a) limitations, the
         Participant's   outstanding  purchase  right  does  not  accrue  for  a
         particular  purchase  date of any  purchase  period,  then the  payroll
         deductions   which  the  Participant  made  during  that  quarterly  or
         semi-annual  period  with  respect  to such  purchase  right  shall  be
         promptly refunded.

                  (c) In the event there is any conflict  between the provisions
of this Article VIII and one or more  provisions  of the Plan or any  instrument
issued thereunder, the provisions of this Article VIII shall be controlling.

      IX.         STATUS OF PLAN UNDER FEDERAL TAX LAWS

                  (a) The Plan is  designed  to  qualify  as an  employee  stock
purchase plan under Code Section 423. However,  the Plan  Administrator  may, at
any time in its discretion, cease to administer the Plan as a qualified employee
stock  purchase  plan under  Code  Section  423.  Accordingly,  share  purchases
effected under the Plan at any time after the Plan ceases to be  administered as
a  qualified  employee  stock  purchase  plan under Code  Section  423  (whether
pursuant  to  purchase  rights  granted  before or after  the Plan  ceases to be
qualified)  shall  result in  taxable  income to each  Participant  equal to the
excess of (i) the fair market value of the purchased shares on the purchase date
over (ii) the purchase price paid for such shares.

                  (b) To the extent required by law, the Company's obligation to
deliver shares to the Participant upon the exercise of any outstanding  purchase
right  shall be  subject to the  Participant's  satisfaction  of all  applicable
federal, state and local income and employment tax withholding requirements.

       X.         AMENDMENT AND TERMINATION

                  (a) The Board may from time to time alter,  amend,  suspend or
discontinue  the Plan;  provided,  however,  that no such  action  shall  become
effective prior to the exercise of outstanding purchase rights at the end of the
quarterly  or  semi-annual  period  in which  such  action  is  authorized;  and
provided, further, that no such action of the Board may, without the approval of
the  shareholders  of the Company,  increase the number of shares issuable under
the Plan or the maximum number of shares which any one  Participant may purchase
during a single  purchase  period  or over  the  term of the  Plan  (except  for
adjustments  permitted under Section VI(b)), alter the purchase price formula so
as to reduce the  purchase  price  specified in the Plan,  otherwise  materially
increase  the benefits  accruing to  Participants  under the Plan or  materially
modify the requirements for eligibility to participate in the Plan.

                  (b) The Company shall have the right,  exercisable in the sole
discretion  of  the  Plan  Administrator,  to  terminate  the  Plan  immediately
following  the end of a  quarterly  or  semi-annual  purchase  date.  Should the
Company  elect to exercise  such  right,  then the Plan shall  terminate  in its
entirety,  and no further  purchase rights shall  thereafter be granted,  and no
further payroll deductions shall thereafter be collected, under the Plan.

                                       7
<PAGE>

      XI.         GENERAL PROVISIONS

                  (a) The Plan was initially adopted by the Board on January 21,
1988 and approved by the  stockholders  on June 7, 1988.  In January  1991,  the
Board approved a 250,000-share  increase in the number of shares of Common Stock
issuable  under the Plan,  and the  stockholders  approved  such increase in May
1991. The 1992 restatement of the Plan and the  250,000-share  increase approved
by the Board on January 23, 1992 became  effective on the first day of the first
purchase  period  which  began  after  the  1992  Annual  Stockholders  Meeting.
Additional  amendments  were made to the Plan on January 27,  1994,  January 22,
1997,  and January 30, 1998 to increase  the number of shares of Stock  reserved
for issuance  under the Plan,  and the January 1997  amendment also extended the
term of the Plan to December 31, 2001. On February 4, 1999, the Board authorized
an amendment to the Plan to increase the number of shares of Stock available for
issuance  hereunder by an additional  2,550,000  shares,  subject to stockholder
approval  at the  1999  Annual  Meeting.  If such  stockholder  approval  is not
obtained, then no purchase rights will be granted under the Purchase Plan on the
basis of the 2,550,000-share increase.

                  (b) The  provisions  of this restated Plan shall apply only to
purchase  rights  exercised  under the Plan from and after the Effective Date of
such restatement.  All exercises effected under the Plan prior to such Effective
Date were governed by the terms and  conditions of the Plan as in effect on each
such exercise  date, and nothing in this restated Plan shall be deemed to affect
or otherwise  modify the rights or  obligations  of the holders of the shares of
Common Stock acquired thereunder.

                  (c) The Plan shall  terminate upon the earlier of (i) December
31, 2001 or (ii) the date on which all shares  available for issuance  under the
Plan shall have been sold pursuant to purchase rights exercised under the Plan.

                  (d) All costs and expenses  incurred in the  administration of
the Plan shall be paid by the Company.

                  (e)  Neither  the action of the  Company in  establishing  the
Plan,  nor any action  taken under the Plan by the Plan  Administrator,  nor any
provision  of the Plan itself  shall be  construed so as to grant any person the
right to remain in the employ of the Company or any of its Corporate  Affiliates
for any  period  of  specific  duration,  and such  person's  employment  may be
terminated at any time, with or without cause.

                  (f) The  provisions  of the Plan shall be governed by the laws
of the State of California.

                                       8
<PAGE>

                                   Schedule A

                           Companies Participating in
                        1988 Employee Stock Purchase Plan

                             As of February 4, 1999


                               Komag, Incorporated

                         Komag Material Technology, Inc.

                          Komag U.S.A. (Malaysia) Sdn.

                            Komag Asia Pacific, Inc.

                                       9
<PAGE>

                                                                      APPENDIX B


                               KOMAG, INCORPORATED

                         RESTATED 1987 STOCK OPTION PLAN

                  (Amended and Restated through April 16, 1999)


                                   ARTICLE ONE

                               GENERAL PROVISIONS


          I.       PURPOSES OF THE PLAN

                  This  Restated 1987 Stock Option Plan (the "Plan") is intended
to promote the interests of Komag,  Incorporated,  a Delaware  corporation  (the
"Corporation"),  by  providing  a method  whereby  eligible  individuals  may be
offered   incentives  and  rewards  which  will  encourage  them  to  acquire  a
proprietary  interest,  or otherwise increase their proprietary interest, in the
Corporation and continue to render services to the Corporation (or its parent or
subsidiary corporations).

         II.      STRUCTURE OF THE PLAN

                 A. Option Programs. The Plan shall be divided into two separate
components:  the Discretionary Option Grant Program described in Article Two and
the  Automatic  Option  Grant  Program  described  in Article  Three.  Under the
Discretionary Option Grant Program,  eligible individuals may, at the discretion
of the Plan Administrator, be granted options to purchase shares of Common Stock
in accordance  with the  provisions of Article Two.  Under the Automatic  Option
Grant Program, each eligible member of the Corporation's Board of Directors (the
"Board") will automatically receive an option grant to purchase shares of Common
Stock in accordance with the provisions of Article Three.

                 B. General  Provisions.  Unless the context  clearly  indicates
otherwise,  the  provisions  of Articles One and Four of the Plan shall apply to
the  Discretionary  Option Grant Program and the Automatic  Option Grant Program
and shall accordingly govern the interests of all individuals under the Plan.

         III.     ADMINISTRATION OF THE PLAN

                 A. The Discretionary Option Grant Program shall be administered
by one or more committees comprised of Board members. The primary committee (the
"Primary  Committee")  shall  be  comprised  of two or more  non-employee  Board
members and shall have sole and  exclusive  authority to grant stock options and
stock  appreciation  rights  under the  Discretionary  Option  Grant  Program to
officers and  employee-directors  of the Corporation  subject to the short-swing
profit restrictions of the Federal securities laws. Stock options may be granted
under the Discretionary Option Grant Program to all other eligible employees and
consultants by either the Primary  Committee or a second committee  comprised of
two or more employee-Board members (the "Secondary  Committee").  The members of
the Primary  Committee  and the  Secondary  Committee  shall each serve for such
period of time as the Board may determine and shall be subject to removal by the
Board at any time.

                 B.  Subject to the limited  authority  provided  the  Secondary
Committee to effect option grants in accordance with the provisions of paragraph
III.A  of this  Article  One,  the  Primary  Committee  shall  serve as the Plan
Administrator  and shall have full power and  authority  (subject to the express
provisions of the  Discretionary  Option Grant  Program) to establish such rules
and regulations as it may deem appropriate for the proper administration of such
program and to make such  determinations  under the program and any  outstanding
option as it may deem necessary or

                                       1
<PAGE>

advisable. Decisions of the Plan Administrator shall be final and binding on all
parties  with an  interest  in the Plan or any  outstanding  option  under  this
Discretionary Option Grant Program.

                  C.  Administration of the Automatic Option Grant Program shall
be self-executing in accordance with the express terms and conditions of Article
Three.

         IV.      ELIGIBILITY FOR OPTION GRANTS

                  A. The  persons  eligible to receive  options  pursuant to the
Discretionary Option Grant Program under Article Two of the Plan shall be

                           -  those  key  employees   (including   officers  and
         directors)   of  the   Corporation   (or  its   parent  or   subsidiary
         corporations)  who render services which tend to contribute  materially
         to  the  success  of the  Corporation  (or  its  parent  or  subsidiary
         corporations)  or which may  reasonably  be  anticipated  to contribute
         materially to the future success of the  Corporation  (or its parent or
         subsidiary corporations),

                           -  non-employee  Board  members  who render  valuable
         services to the Corporation (or its parent or subsidiary corporations),
         and

                           - those  independent  contractors and consultants who
         provide  valuable  services  to  the  Corporation  (or  its  parent  or
         subsidiary corporations).

                  B.  Non-employee  Board  members  shall  also be  eligible  to
receive automatic option grants under the provisions of Article Three.


                  C. The Plan Administrator  shall have full authority to select
the eligible  individuals  who are to receive  option grants under the Plan, the
number of shares to be covered by each granted option, whether such option is to
be  an  incentive  stock  option   ("Incentive   Option")  which  satisfies  the
requirements  of Section 422 of the  Internal  Revenue  Code or a  non-statutory
option ("Non-Statutory Option") not intended to meet such requirements, the time
or times at which such option is to become  exercisable and the maximum term for
which the option is to be outstanding.

                  D. For purposes of the Plan, the following provisions shall be
applicable  in  determining  the  parent  and  subsidiary  corporations  of  the
Corporation:

                           Any  corporation  (other than the  Corporation) in an
         unbroken chain of  corporations  ending with the  Corporation  shall be
         considered to be a parent corporation of the Corporation, provided each
         such  corporation  in the unbroken  chain (other than the  Corporation)
         owns, at the time of the determination,  stock possessing fifty percent
         (50%) or more of the total  combined  voting  power of all  classes  of
         stock in one of the other corporations in such chain.

                           Each  corporation  (other than the Corporation) in an
         unbroken chain of corporations  beginning with the Corporation shall be
         considered  to be a subsidiary of the  Corporation,  provided each such
         corporation  (other than the last  corporation)  in the unbroken  chain
         owns, at the time of the determination,  stock possessing fifty percent
         (50%) or more of the total  combined  voting  power of all  classes  of
         stock in one of the other corporations in such chain.

                                       2
<PAGE>

         V.       STOCK SUBJECT TO THE PLAN

                  A. The stock  issuable  under the Plan  shall be shares of the
Corporation's  authorized but unissued or reacquired Common Stock. The aggregate
number of shares  which may be issued over the term of the Plan shall not exceed
18,140,000  shares  (subject to adjustment  from time to time in accordance with
paragraph V.D of this Article One).

                  B. In no event any one individual participating in the Plan be
granted stock options and separately  exercisable stock appreciation  rights for
more than  3,000,000  shares of Common Stock (as adjusted for the December  1995
split)  in the  aggregate  over  the  remaining  term of the  Plan,  subject  to
adjustment  from time to time in accordance  with  paragraph V.D of this Article
One. For purposes of such  limitation,  no stock  options or stock  appreciation
rights granted prior to January 1, 1994 shall be taken into account.

                  C.  Should an option be  terminated  for any  reason  prior to
exercise  in whole or in part,  the shares  subject to the portion of the option
not so exercised  shall be available  for  subsequent  option  grants under this
Plan.  In  addition,  unvested  shares  issued  under the Plan and  subsequently
repurchased by the  Corporation  at the original  exercise price paid per share,
pursuant to the  Corporation's  repurchase  rights under the Plan shall be added
back to the number of shares of Common Stock  reserved  for  issuance  under the
Plan and shall  accordingly  be  available  for  reissuance  through one or more
subsequent option grants under the Plan.  However,  shares subject to any option
or portion  thereof  cancelled in accordance with paragraph IV of Article Two or
paragraph  III of  Article  Three  and  shares  repurchased  by the  Corporation
pursuant to its  repurchase  rights  under the Plan shall not be  available  for
subsequent option grants under the Plan.

                  D.  In the  event  any  change  is made  to the  Common  Stock
issuable  under the Plan  (whether  by reason of (i)  merger,  consolidation  or
reorganization   or  (ii)   recapitalization,   stock  dividend,   stock  split,
combination of shares,  exchange of shares or other similar change affecting the
outstanding  Common Stock as a class  without  receipt of  consideration),  then
unless  such  change  results  in the  termination  of all  outstanding  options
pursuant to the  provisions  of  paragraph  III of Articles Two and Three of the
Plan,  appropriate  adjustments shall be made to (i) the aggregate number and/or
class of shares issuable under the Plan, (ii) the maximum number and/or class of
shares for which stock options and  separately  exercisable  stock  appreciation
rights may be granted to any one participant in the aggregate after December 31,
1993,  (iii) the  number  and/or  class of shares  and price per share in effect
under each outstanding option under the Discretionary Option Grant Program, (iv)
the  number  and/or  class of shares  per  non-employee  Board  member for which
automatic  option grants are  subsequently to be made under the Automatic Option
Grant Program,  and (v) the number and/or class of shares and price per share of
the Common  Stock in effect under each  automatic  grant  outstanding  under the
Automatic  Option  Grant  Program.  The  purpose  of  such  adjustments  to  the
outstanding  options shall be to preclude the  enlargement or dilution of rights
and benefits under such options.

                                       3
<PAGE>

                                   ARTICLE TWO

                       DISCRETIONARY OPTION GRANT PROGRAM


         VI.      TERMS AND CONDITIONS OF OPTIONS

                  Options  granted   pursuant  to  this  Article  Two  shall  be
authorized  by  action  of  the  Plan   Administrator   and  may,  at  the  Plan
Administrator's   discretion,  be  either  Incentive  Options  or  Non-Statutory
Options.  Individuals  who are not Employees  may only be granted  Non-Statutory
options.  The granted  options shall be evidenced by instruments in such form as
the Plan Administrator shall from time to time approve; provided,  however, that
each such instrument  shall comply with and incorporate the terms and conditions
specified  below.  Each  instrument  evidencing an Incentive  Option  shall,  in
addition,  be subject  to the  applicable  provisions  of  paragraph  II of this
Article Two.

                  A.       Option Price.

                           1. The option  price per share  shall be fixed by the
Plan Administrator.  In no event,  however,  shall the option price per share be
less  than one  hundred  percent  (100%) of the fair  market  value per share of
Common Stock on the date of the option grant.

                           2. The option price shall become immediately due upon
exercise of the option and shall,  subject to the  provisions of paragraph VI of
this Article Two and the instrument evidencing the grant, be payable as follows:

                                    (i) full  payment in cash or check  drawn to
         the Corporation's order;

                                    (ii) full  payment in shares of Common Stock
         held by the  optionee  for the  requisite  period  necessary to avoid a
         charge to the Corporation's  earnings for financial  reporting purposes
         and valued at fair market value on the  Exercise  Date (as such term is
         defined below) equal to the option price; or

                                    (iii) full payment  through a combination of
         shares of Common Stock held by the optionee  for the  requisite  period
         necessary to avoid a charge to the Corporation's earnings for financial
         reporting purposes and valued at fair market value on the Exercise Date
         and cash or check, equal in the aggregate to the option price.

                                    (iv) to the extent  the option is  exercised
         for  vested  shares,  the  option  price  may  also be paid  through  a
         broker-dealer  sale and  remittance  procedure  pursuant  to which  the
         optionee   shall   provide   irrevocable    instructions   to   (I)   a
         Corporation-designated  brokerage  firm to effect the immediate sale of
         the  purchased  shares  and remit to the  Corporation,  out of the sale
         proceeds  available  on the  settlement  date,  an amount  equal to the
         aggregate  option  price  payable  for the  purchased  shares  plus all
         applicable Federal and State income and employment taxes required to be
         withheld by the  Corporation  by reason of such  purchase  and (II) the
         Corporation  to  deliver  the  certificates  for the  purchased  shares
         directly to such brokerage firm.

                           For  purposes of this  subparagraph  2, the  Exercise
Date  shall  be the  date on which  notice  of the  exercise  of the  option  is
delivered  to the  Corporation.  Except to the  extent  the sale and  remittance
procedure is utilized in connection with the exercise of the option,  payment of
the option price for the purchased shares must accompany such notice.

                           3. The fair market  value of a share of Common  Stock
on any  relevant  date  under  subparagraph  1 or 2 above  (and  for  all  other
valuation  purposes  under the Plan) shall be determined in accordance  with the
following provisions:

                                       4
<PAGE>

                                    (i)  If the  Common  Stock  is at  the  time
         traded on the Nasdaq National Market,  then the fair market value shall
         be the  closing  sales  price per share of Common  Stock on the date in
         question,  as such price is reported  by the  National  Association  of
         Securities  Dealers  on the  Nasdaq  National  Market or any  successor
         system.  If there is no closing sales price for the Common Stock on the
         date in question, then the fair market value shall be the closing sales
         price on the last preceding date for which such quotation exists.

                                    (ii)  If the  Common  Stock  is at the  time
         listed on either  the New York Stock  Exchange  or the  American  Stock
         Exchange,  then the fair market value shall be the closing  sales price
         per share of Common Stock on the date in question on such exchange,  as
         such price is officially  quoted in the composite tape of  transactions
         on that  exchange.  If there is no closing  sales  price for the Common
         Stock on the date in question,  then the fair market value shall be the
         closing sales price on the last preceding date for which such quotation
         exists.

                  B.       Term and Exercise of Options.

                           Each option  granted  under this Article Two shall be
exercisable  at such time or times,  during such period,  and for such number of
shares as shall be  determined  by the Plan  Administrator  and set forth in the
instrument  evidencing such option;  provided,  however,  that no option granted
under this  Article  Two shall  have a maximum  term in excess of ten (10) years
from the grant date.

                  C.       Limited Transferability of Options.

         During the lifetime of the  optionee,  the option shall be  exercisable
only by the optionee and shall not be assignable or transferable by the optionee
otherwise than by will or by the laws of descent and distribution  following the
optionee's  death.  However,  the  Plan  Administrator  may  grant  one or  more
Non-Statutory  Options under this Article Two which may, in connection  with the
optionee's  estate plan,  be assigned in whole or in part during the  optionee's
lifetime to one or more members of the optionee's immediate family or to a trust
established  exclusively  for one or more  such  family  members.  The  assigned
portion may only be exercised by the person or persons who acquire a proprietary
interest in the option pursuant to the assignment.  The terms  applicable to the
assigned portion shall be the same as those in effect for the option immediately
prior to such assignment and shall be set forth in such documents  issued to the
assignee as the Plan Administrator may deem appropriate.

                  D.       Termination of Service.

                           1. Should an optionee  cease to remain in Service for
any reason (including death,  permanent disability or retirement at or after age
65) while the holder of one or more outstanding options granted to such optionee
under the Plan,  then such  option or  options  shall not  (except to the extent
otherwise  provided pursuant to paragraph VII below) remain exercisable for more
than a twelve  (12)-month period (or such shorter period as is determined by the
Plan Administrator and set forth in the option agreement)  following the date of
cessation of Service;  provided,  however, that under no circumstances shall any
such option be  exercisable  after the specified  expiration  date of the option
term.  Except to the extent otherwise  provided  pursuant to subparagraph  I.D.4
below, each such option shall,  during such twelve (12)-month or shorter period,
be exercisable for any or all vested shares for which that option is exercisable
on the date of such  cessation of Service.  Upon the  expiration  of such twelve
(12)-month or shorter  period or (if earlier) upon the  expiration of the option
term, the option shall terminate and cease to be exercisable for any such vested
shares for which the option has not been exercised.  However,  the option shall,
immediately upon the optionee's cessation of Service,  terminate and cease to be
outstanding  with  respect to any  option  shares in which the  optionee  is not
otherwise  at that time vested or for which the option is not  otherwise at that
time exercisable.

                           2. Should the optionee die while in Service, or cease
to  remain  in  Service  and  thereafter  die  while  the  holder of one or more
outstanding  options  under the Plan,  each such option may be  exercised by the
personal  representative of the optionee's estate or by the person or persons to
whom the option is transferred  pursuant

                                       5
<PAGE>

to  the  optionee's  will  or  in  accordance  with  the  laws  of  descent  and
distribution   but,  except  to  the  extent  otherwise   provided  pursuant  to
subparagraph  I.D.4 below, only to the extent of the number of vested shares (if
any) for which the option is exercisable  on the date of the  optionee's  death.
Such exercise must be effected prior to the earlier of (i) the first anniversary
of the date of the optionee's death or (ii) the specified expiration date of the
option  term.  Upon the  occurrence  of the  earlier  event,  the  option  shall
terminate and cease to be exercisable.

                           3. If (i) the  optionee's  Service is terminated  for
cause (including, but not limited to, any act of dishonesty, willful misconduct,
fraud or  embezzlement  or any  unauthorized  disclosure or use of  confidential
information or trade secrets) or (ii) the optionee makes or attempts to make any
unauthorized  use or disclosure of confidential  information or trade secrets of
the Corporation or its parent or subsidiary corporations, then in any such event
all outstanding  options granted the optionee under the Plan shall terminate and
cease to be  exercisable  immediately  upon such  cessation  of  Service  or (if
earlier) upon such  unauthorized  use or disclosure  of  confidential  or secret
information or attempt thereat.

                           4.  The  Plan   Administrator   shall  have  complete
discretion,  exercisable either at the time the option is granted or at the time
the optionee  dies,  retires at or after age 65, or ceases to remain in Service,
to  establish as a provision  applicable  to the exercise of one or more options
granted  under  the Plan  that  during  the  limited  period  of  exercisability
following death,  retirement at or after age 65, or cessation of Employee status
as provided in  subparagraph  I.D.1 or I.D.2 above,  the option may be exercised
not only with respect to the number of vested shares for which it is exercisable
at the time of the optionee's cessation of Service, but also with respect to one
or more  subsequent  installments  in which the  optionee  would have  otherwise
vested had such cessation of Service not occurred.

                           5. For purposes of the  foregoing  provisions of this
paragraph I.D (and all other provisions of the Plan),

                           - The  optionee  shall be  deemed  to  remain  in the
         Service  of the  Corporation  for so long as  such  individual  renders
         services  on a  periodic  basis to the  Corporation  (or any  parent or
         subsidiary  corporation) in the capacity of an Employee, a non-employee
         member of the Board or an independent consultant or advisor.

                           - The optionee  shall be considered to be an Employee
         for so long as such individual remains in the employ of the Corporation
         or one or more of its parent or subsidiary corporations, subject to the
         control and  direction  of the  employer  not only as to the work to be
         performed but also as to the manner and method of performance.

                  E.       Stockholder Rights.

                           An option  holder  shall have none of the rights of a
stockholder  with  respect  to any  shares  covered  by the  option  until  such
individual  shall have  exercised  the  option,  paid the option  price and been
issued a stock certificate for the purchased shares. No adjustment shall be made
for  dividends  or  distributions  (whether  paid in cash,  securities  or other
property)  for which the record date is prior to the date the stock  certificate
is issued.

                  F.       Repurchase Rights.

                           The shares of Common Stock acquired upon the exercise
of options  granted  under this Article Two may be subject to  repurchase by the
Corporation in accordance with the following provisions:

                           The Plan  Administrator  shall have the discretion to
authorize  the  issuance of unvested  shares of Common  Stock under this Article
Two. Should the Optionee cease Service while holding such unvested  shares,  the
Corporation  shall  have the right to  repurchase  any or all of those  unvested
shares at the option price paid per share.  The terms and conditions  upon which
such repurchase  right shall be exercisable  (including the period and procedure
for exercise and the  appropriate  vesting  schedule for the  purchased  shares)
shall be established by the Plan  Administrator  and set forth in the instrument
evidencing such repurchase right.

                                       6
<PAGE>

                           All  of  the  Corporation's   outstanding  repurchase
rights shall automatically  terminate, and all shares subject to such terminated
rights shall  immediately  vest in full,  upon the  occurrence  of any Corporate
Transaction  under paragraph III of this Article Two, except to the extent:  (i)
any such  repurchase  right is to be assigned to the successor  corporation  (or
parent  thereof)  in  connection  with the  Corporate  Transaction  or (ii) such
termination is precluded by other limitations  imposed by the Plan Administrator
at the time the repurchase right is issued.

                           The Plan  Administrator  shall have the discretionary
authority,  exercisable  either  before or after  the  optionee's  cessation  of
Service, to cancel the Corporation's  outstanding repurchase rights with respect
to one or more  shares  purchased  or  purchasable  by the  optionee  under this
Article Two and thereby accelerate the vesting of such shares in connection with
the optionee's cessation of Service.

         VII      INCENTIVE OPTIONS

                  The terms and conditions  specified  below shall be applicable
to all Incentive  Options granted under this Article Two.  Incentive Options may
only be granted to individuals who are Employees. Options which are specifically
designated as "non-qualified"  or "non-statutory"  options when issued under the
Plan shall not be subject to such terms and conditions:

                  A.  Option  Price.  The  option  price per share of the Common
Stock subject to an Incentive  Option shall in no event be less than one hundred
percent  (100%) of the fair market  value of a share of Common Stock on the date
of grant.

                  B.  Dollar   Limitation.   The  aggregate  fair  market  value
(determined as of the respective date or dates of grant) of the shares of Common
Stock for which one or more options  granted to any employee  under the Plan (or
any  other  option  plan  of  the   Corporation  or  any  parent  or  subsidiary
corporation)  may for the first time become  exercisable  as  Incentive  Options
during  any one (1)  calendar  year  shall  not  exceed  the sum of One  Hundred
Thousand  Dollars  ($100,000).  To the extent the employee holds two (2) or more
such options  which become  exercisable  for the first time in the same calendar
year,  the  foregoing  limitation  on the  exercisability  of  such  options  as
Incentive  Options  shall be  applied  on the basis of the  order in which  such
options are granted.

                  C. 10%  Stockholder.  If any  individual  to whom an Incentive
Option is granted is the owner of stock (as  determined  under Section 424(d) of
the Internal Revenue Code) possessing more than 10% of the total combined voting
power of all  classes  of stock of the  Corporation  or any one of its parent or
subsidiary corporations,  then the option price per share shall not be less than
one hundred and ten percent  (110%) of the fair market value per share of Common
Stock on the grant  date,  and the option  term shall not exceed five (5) years,
measured from the grant date.

                  Except  as  modified  by  the  preceding  provisions  of  this
paragraph  II, the  provisions  of Articles  One, Two and Four of the Plan shall
apply to all Incentive Options granted hereunder.

                                       7
<PAGE>

         VIII.    CORPORATE TRANSACTIONS

                  A. In the event of any of the  following  stockholder-approved
transactions (a "Corporate Transaction"):

                                    (i) a merger  or  acquisition  in which  the
         Corporation is not the surviving  entity,  except for a transaction the
         principal  purpose of which is to change the State of the Corporation's
         incorporation,

                                    (ii) the sale, transfer or other disposition
         of all or substantially all of the assets of the Corporation, or

                                    (iii)  any  reverse   merger  in  which  the
         Corporation is the surviving entity,

                           then each option  outstanding  under this Article Two
shall automatically become exercisable,  during the five (5) business day period
immediately prior to the specified effective date for the Corporate Transaction,
with respect to the full number of shares of Common Stock purchasable under such
option  and may be  exercised  for all or any  portion  of such  shares as fully
vested shares of Common Stock. An outstanding option under the Plan shall not be
so accelerated,  however, if and to the extent (i) such option is, in connection
with  the  Corporate  Transaction,   either  to  be  assumed  by  the  successor
corporation  or  parent  thereof  or be  replaced  with a  comparable  option to
purchase  shares of the capital  stock of the  successor  corporation  or parent
thereof or (ii) the acceleration of such option is subject to other  limitations
imposed by the Plan Administrator at the time of grant.

                  B.  Immediately  following the  consummation  of the Corporate
Transaction,  all  outstanding  options under the Plan shall,  to the extent not
previously  exercised  or assumed  by the  successor  corporation  or its parent
company, terminate and cease to be exercisable.

                  C. Each  outstanding  option  under this  Article Two which is
assumed in connection with the Corporate Transaction or is otherwise to continue
in effect shall be  appropriately  adjusted,  immediately  after such  Corporate
Transaction,  to apply and pertain to the number and class of  securities  which
would have been issuable, in consummation of such Corporate  Transaction,  to an
actual  holder of the same  number of shares of Common  Stock as are  subject to
such  option  immediately  prior  to  such  Corporate  Transaction.  Appropriate
adjustments  shall also be made to the option price payable per share,  provided
the aggregate option price payable for such securities shall remain the same. In
addition,  the class and number of securities  available for issuance  under the
Plan  following  the  consummation  of  the  Corporate   Transaction   shall  be
appropriately adjusted.

                  D.  The  portion  of  any  Incentive  Option   accelerated  in
connection with a Corporate  Transaction  shall remain subject to the applicable
limitations of paragraph II.B.

                  E. Option grants under this Article Two shall in no way affect
the right of the  Corporation  to adjust,  reclassify,  reorganize  or otherwise
change its capital or business  structure  or to merge,  consolidate,  dissolve,
liquidate or sell or transfer all or any part of its business or assets.

         IX.      STOCK APPRECIATION RIGHTS

                  A. Officers and non-employee  Board members of the Corporation
subject to the short-swing  profit  restrictions of the Federal  securities laws
may, in the Plan  Administrator's  sole  discretion,  be granted  limited  stock
appreciation  rights in tandem with their outstanding options under this Article
Two. Upon the occurrence of a Hostile  Take-Over  effected at any time after the
Corporation's  outstanding Common Stock is registered under Section 12(g) of the
Exchange Act,  each  outstanding  option with such a limited stock  appreciation
right shall  automatically  be  cancelled  and the  optionee  shall in return be
entitled to a cash  distribution  from the Corporation in an amount equal to the
excess of (i) the  Take-Over  Price of the  shares  of Common  Stock at the time
subject to the cancelled  option  (whether or not the

                                       8
<PAGE>

option is  otherwise  at the time  exercisable  for such  shares)  over (ii) the
aggregate exercise price payable for such shares. The cash distribution  payable
upon  such  cancellation  shall  be made  within  five (5)  days  following  the
consummation of the Hostile Take-Over. The Plan Administrator shall pre-approve,
at the time the limited right is granted,  the subsequent exercise of that right
in accordance with the terms of the grant and the provisions of this Section IV.
No additional  approval of the Plan Administrator or the Board shall be required
at the time of the actual option cancellation and cash distribution.

                  B. For purposes of paragraph  IV.A, the following  definitions
shall be in effect:

                           A Hostile  Take-Over  shall be deemed to occur in the
         event  any  person  or  related  group  of  persons   (other  than  the
         Corporation  or a person  that  directly  or  indirectly  controls,  is
         controlled  by,  or is under  common  control  with,  the  Corporation)
         directly  or  indirectly  acquires  beneficial  ownership  (within  the
         meaning of Rule 13d-3 of the  Exchange  Act) of  securities  possessing
         more than fifty percent (50%) of the total combined voting power of the
         Corporation's  outstanding  securities pursuant to a tender or exchange
         offer which the Board does not recommend the Corporation's stockholders
         to accept.

                           The  Take-Over  Price per share shall be deemed to be
         equal to the greater of (a) the fair market value per share on the date
         of cancellation,  as determined pursuant to the valuation provisions of
         subparagraph I.A.3, or (b) the highest reported price per share paid in
         effecting such Hostile Take-Over.  However,  if the cancelled option is
         an Incentive  Option,  the Take-Over  Price shall not exceed the clause
         (a) price per share.

                  C. The shares of Common Stock subject to any option  cancelled
for an  appreciation  distribution  pursuant  to this  paragraph  V shall not be
available for subsequent option grant under the Plan.

         X.       EXTENSION OF EXERCISE PERIOD

                  The Plan  Administrator  shall have full power and  authority,
exercisable from time to time in its sole discretion,  to extend,  either at the
time the option is granted or at any time while such option remains outstanding,
the period of time for which the option is to remain  exercisable  following the
optionee's  cessation of Service or death from the twelve  (12)-month or shorter
period set forth in the option  agreement to such greater  period of time as the
Plan Administrator shall deem appropriate;  provided,  however, that in no event
shall such option be  exercisable  after the  specified  expiration  date of the
option term.

                                       9
<PAGE>

                                  ARTICLE THREE

                         AUTOMATIC OPTION GRANT PROGRAM


         XI.      ELIGIBILITY

                  The individuals  eligible to receive  automatic  option grants
pursuant  to the  provisions  of this  Article  Three  shall be  limited  to the
following:

                                    (i)   each    individual    serving   as   a
         non-employee  member of the Board on January 24,  1995,  the  effective
         date of this Automatic Option Grant Program (the "Effective Date"); and

                                    (ii) each  individual who is first appointed
         or  elected  as a  non-employee  Board  member  at any time  after  the
         Effective Date.

         XIII.    TERMS AND CONDITIONS OF AUTOMATIC OPTION GRANTS

                  A. Grant Dates.  Option grants will be made under this Article
Three on the dates specified below:

                                    (i) Each  individual  who  first  becomes  a
         non-employee Board member at any time after the Effective Date, whether
         through  election  at  an  Annual   Stockholders   Meeting  or  through
         appointment by the Board, shall  automatically be granted,  at the time
         of such initial  election or  appointment,  a  Non-Statutory  Option to
         purchase 30,000 shares of Common Stock upon the terms and conditions of
         this Article Three. The size of such grant has been adjusted to reflect
         the  two-for-one  split of the Common Stock which  occurred in December
         1995,  but then reduced by  twenty-five  percent  (25%) to effect a net
         adjustment on a 1.5-for-one basis.

                                    (ii) On the date of each Annual Stockholders
         Meeting,  beginning  with the 1999 Annual  Stockholders  Meeting,  each
         individual  who is at the time elected or  reelected as a  non-employee
         member  of  the  Board  shall   receive  an   additional   grant  of  a
         Non-Statutory  Option under the Plan to purchase  12,000  shares of the
         Common Stock,  provided such  individual has been a member of the Board
         for at least six (6) months.

                  The applicable  30,000-share and  12,000-share  limitations on
the automatic option grants to be made to non-employee  Board members under this
Article Three shall be subject to periodic adjustment pursuant to the applicable
provisions of paragraph V.C of Article One.

                  B. Exercise Price. The exercise price per share shall be equal
to one hundred percent (100%) of the fair market value per share of Common Stock
on the automatic grant date.

                  C.       Payment.

                           The  exercise  price  shall be  payable in one of the
alternative forms specified below:

                                    (i)  full  payment  in  cash or  check  made
         payable to the Corporation's order;

                                    (ii) full  payment in shares of Common Stock
         held for the  requisite  period  necessary  to  avoid a  charge  to the
         Corporation's  reported earnings and valued at fair market value on the
         Exercise Date (as such term is defined below); or

                                       10
<PAGE>

                                    (iii)  full  payment  in  a  combination  of
         shares of Common Stock held for the requisite period necessary to avoid
         a charge to the  Corporation's  reported  earnings  and  valued at fair
         market  value on the  Exercise  Date and cash or check  payable  to the
         Corporation's order.

                                    (iv)  the  option  price  may  also  be paid
         through a broker-dealer sale and remittance procedure pursuant to which
         the  optionee  shall  provide   irrevocable   instructions   to  (I)  a
         Corporation-designated  brokerage  firm to effect the immediate sale of
         the  purchased  shares  and remit to the  Corporation,  out of the sale
         proceeds  available  on the  settlement  date,  an amount  equal to the
         aggregate  option  price  payable  for the  purchased  shares  plus all
         applicable Federal and State income and employment taxes required to be
         withheld by the  Corporation  by reason of such  purchase  and (II) the
         Corporation  to  deliver  the  certificates  for the  purchased  shares
         directly to such brokerage firm.

                  For purposes of this subparagraph,  the Exercise Date shall be
the date on which notice of the option exercise is delivered to the Corporation,
and the fair market value per share of Common  Stock on any relevant  date shall
be determined in accordance  with the  provisions of paragraph  I.A.3 of Article
Two. Except to the extent the sale and remittance  procedure  specified above is
utilized for the exercise of the option,  payment of the exercise  price for the
purchased shares must accompany such notice.

                  D. Option Term.  Each automatic grant under this Article Three
shall have a maximum term of ten (10) years  measured from the  automatic  grant
date.

                  E. Exercisability.  The initial  30,000-share  automatic grant
made to each  newly-elected or  newly-appointed  non-employee Board member shall
become exercisable for the option shares in four (4) installments as follows:

                                    (i) The option shall become  exercisable for
         twenty-five  percent (25%) of the option shares upon the  completion of
         twelve (12) months of Board service  measured from the automatic  grant
         date.

                                    (ii) The option shall become exercisable for
         an additional  twenty-five  percent (25%) of the option shares upon the
         completion of  twenty-four  (24) months of Board service  measured from
         the automatic grant date.

                                    (iii) The option  shall  become  exercisable
         for an additional  twenty-five  percent (25%) of the option shares upon
         the completion of thirty-six (36) months of Board service measured from
         the automatic grant date.

                                    (iv) The option shall become exercisable for
         the final  twenty-five  percent  (25%) of the  option  shares  upon the
         completion of  forty-eight  (48) months of Board service  measured from
         the automatic grant date.

                           The  annual  12,000-share  option  grant made to each
re-elected non-employee Board member shall become exercisable for all the option
shares upon the  optionee's  completion  of twelve (12) months of Board  service
measured from the automatic grant date.

                           As the  option  becomes  exercisable  for one or more
installments of the option shares, those installments shall accumulate,  and the
option shall  remain  exercisable  for the  accumulated  installments  until the
expiration or sooner termination of the option term. The option,  however, shall
not become exercisable for any additional option shares following the optionee's
cessation  of Board  service,  except to the extent the option is  otherwise  to
become  exercisable  in accordance  with the provisions of paragraph III of this
Article Three.

                  F. Limited  Transferability of Options. During the lifetime of
the optionee, the option shall only be exercisable by the optionee and shall not
be assignable or transferable  by the optionee  otherwise than by will or the

                                       11
<PAGE>

by the laws of descent and distribution following the optionee's death. However,
each option  granted under this  Automatic  Option Grant Program on or after the
date of the 1999 Annual Stockholders  Meeting shall be assignable in whole or in
part by the  optionee  during his or her  lifetime,  but only to the extent such
assignment is made in connection with the optionee's  estate plan to one or more
members of the optionee's immediate family or to a trust established exclusively
for one or more such family members.  The assigned portion may only be exercised
by the  person or  persons  who  acquire a  proprietary  interest  in the option
pursuant to the assignment.  The terms  applicable to the assigned portion shall
be the  same as  those  in  effect  for the  option  immediately  prior  to such
assignment  and shall be set forth in such  documents  issued to the assignee as
the Plan Administrator may deem appropriate.

                  G.       Effect of Termination of Board Membership.

                           1. Should the optionee cease to be a Board member for
any reason (other than death) while holding an automatic option grant under this
Article Three,  then such optionee shall have a six (6)-month  period  following
the date of such cessation of Board  membership in which to exercise such option
for any or all of the shares of Common Stock for which the option is exercisable
at the time the optionee ceases service as a Board member.

                           2. Should the optionee  die while  serving as a Board
member or during the six  (6)-month  period  following  his or her  cessation of
Board service, then the option may subsequently be exercised,  for any or all of
the shares of Common  Stock for which the option is  exercisable  at the time of
the optionee's cessation of Board membership,  by the personal representative of
the  optionee's  estate  or by the  person  or  persons  to whom the  option  is
transferred  pursuant to the optionee's  will or in accordance  with the laws of
descent and distribution.  Any such exercise must, however,  occur within twelve
(12) months after the date of the optionee's death.

                           3. In no event shall any  automatic  grant under this
Article Three remain exercisable after the specified  expiration date of the ten
(10)-year option term. Upon the expiration of the applicable  exercise period in
accordance with  subparagraphs 1 and 2 above or (if earlier) upon the expiration
of the ten (10)-year  option term, the automatic grant shall terminate and cease
to be exercisable.

                  H. Stockholder Rights. The holder of an automatic option grant
under this Article  Three shall have no  stockholder  rights with respect to any
shares  covered by such option until such  individual  shall have  exercised the
option, paid the exercise price for the purchased shares and been issued a stock
certificate for such shares.

                  I. Remaining Terms. The remaining terms and conditions of each
automatic  option  grant  shall be as set forth in the  prototype  Non-statutory
Stock Option Agreement attached as Exhibit A to the Plan.

         XIII.    CORPORATE TRANSACTION/CHANGE IN CONTROL/HOSTILE TAKE-OVER

                  A. In connection with any Corporate  Transaction (as such term
is defined in paragraph III of Article Two, above),  the  exercisability of each
automatic option grant outstanding under this Article Three shall  automatically
accelerate  so that each such option shall,  immediately  prior to the specified
effective  date for the Corporate  Transaction,  become fully  exercisable  with
respect  to the total  number of shares of Common  Stock at the time  subject to
such option and may be exercised for all or any portion of such shares. Upon the
consummation  of the Corporate  Transaction,  all automatic  option grants under
this Article Three shall  terminate and cease to be  outstanding,  except to the
extent assumed by the successor corporation (or parent thereof).

                  B.  In   connection   with  any   Change  in  Control  of  the
Corporation,  the  exercisability  of each  automatic  option  grant at the time
outstanding under this Article Three shall automatically accelerate so that each
such option shall,  immediately  prior to the specified  effective  date for the
Change in Control,  become fully exercisable with respect to the total number of
shares of Common  Stock at the time  subject to such option and may be exercised
for all or any portion of such shares.  For purposes of this  Article  Three,  a
Change in Control shall be deemed to occur in the event:

                                       12
<PAGE>

                                    (i) any person or  related  group of persons
         (other than the  Corporation  or a person that  directly or  indirectly
         controls,  is  controlled  by, or is under  common  control  with,  the
         Corporation)  directly  or  indirectly  acquires  beneficial  ownership
         (within  the  meaning  of Rule  13d-3  of the 1934  Act) of  securities
         possessing  more than fifty percent (50%) of the total combined  voting
         power of the Corporation's  outstanding securities pursuant to a tender
         or exchange offer; or

                                    (ii) there is a change in the composition of
         the Board over a period of twenty-four (24) consecutive  months or less
         such that a majority of the Board members  ceases,  by reason of one or
         more proxy contests for the election of Board members,  to be comprised
         of  individuals  who either (A) have been  Board  members  continuously
         since  the  beginning  of such  period  or (B)  have  been  elected  or
         nominated for election as Board members  during such period by at least
         two-thirds of the Board members  described in clause (A) who were still
         in office at the time such election or  nomination  was approved by the
         Board.

                  C. Upon the occurrence of a Hostile Take-Over,  each automatic
option  grant  which  has  been  outstanding  under  this  Article  Three  shall
automatically  be  cancelled  in  return  for  a  cash   distribution  from  the
Corporation  in an amount equal to the excess of (i) the Take-Over  Price of the
shares of Common Stock at the time subject to the cancelled  option  (whether or
not the option is otherwise at the time  exercisable  for such shares) over (ii)
the  aggregate  exercise  price payable for such shares.  The cash  distribution
payable upon such cancellation  shall be made within five (5) days following the
consummation  of the  Hostile  Take-Over.  Stockholder  approval  of  this  1999
restatement  of  the  Plan  shall   constitute   pre-approval   of  each  option
subsequently  granted  with such an  automatic  cancellation  provision  and the
subsequent  cancellation  of that  option  in  accordance  with  the  terms  and
provisions  of  this  paragraph  III.C.  No  additional  approval  of  the  Plan
Administrator  or the Board shall be  required at the time of the actual  option
cancellation and cash distribution.

                  D. For purposes of this Article Three, Hostile Take-Over shall
have the meaning  assigned to such term in  paragraph  V.B of Article  Two.  The
Take-Over  Price per share shall be deemed to be equal to the greater of (a) the
fair market value per share on the date of cancellation,  as determined pursuant
to the  valuation  provisions  of  paragraph  I.A.3 of Article  Two,  or (b) the
highest reported price per share paid in effecting such Hostile Take-Over.

                  E. The shares of Common Stock subject to each option cancelled
in connection  with the Hostile  Take-Over shall not be available for subsequent
issuance under this Plan.

                  F. The automatic option grants  outstanding under this Article
Three shall in no way affect the right of the Corporation to adjust, reclassify,
reorganize  or otherwise  change its capital or business  structure or to merge,
consolidate,  dissolve,  liquidate  or sell or  transfer  all or any part of its
business or assets.

                                       13
<PAGE>

                                  ARTICLE FOUR

                                  MISCELLANEOUS

         XIV.     AMENDMENT OF THE PLAN

                  The  Board  shall  have  complete  and  exclusive   power  and
authority  to  amend  or  modify  the  Plan in any or all  respects  whatsoever.
However,  no such amendment or  modification  shall,  without the consent of the
holders,  adversely affect rights and obligations with respect to options at the
time  outstanding  under the Plan. In addition,  certain  amendments may require
stockholder approval pursuant to applicable laws or regulations.

         XV.      EFFECTIVE DATE AND TERM OF PLAN

                  A. The  Corporation's  1983 Stock  Option  Plan was  initially
adopted  by  the  Board  of  Directors  in  October  1983  and  approved  by the
Corporation's  stockholders  in November  1983.  In January  1987,  the Plan was
renamed the Komag,  Incorporated  1987 Stock Option Plan. The Board then amended
the Plan in May 1987 and such amendment was approved by the  stockholders at the
Annual Meeting held in May 1987. The Plan was subsequently  amended and restated
by the  Board  in  December  1987  and  January  1988,  respectively,  and  such
restatement  and  amendments  were  approved by the  stockholders  at the Annual
Meeting  held in June of 1988.  The Plan was  further  amended  by the  Board in
January 1991 and the amendment was approved by the stockholders in May 1991. The
January 23, 1992  restatement  of the Plan,  together with the  1,000,000  share
increase,  was approved by the Board on January 23, 1992 and became effective on
such date. The stockholders approved the January 23, 1992 restatement on May 21,
1992. On January 27, 1994,  the Board adopted an amendment  which  increased the
number  of  shares  of Common  Stock  issuable  under the Plan by an  additional
1,000,000  shares.  The increase was  approved by the  stockholders  at the 1994
Annual Meeting.

                  B. On January 24, 1995, the Board approved an amendment to the
Plan to effect the following changes to the Automatic Option Grant Program:  (i)
increase the number of shares subject to the initial automatic option grant made
to newly-elected or newly-appointed non-employee Board members from 3,500 shares
to 20,000 shares per  individual;  (ii) increase the number of shares subject to
the annual  automatic  option grant made to each re-elected  non-employee  Board
member from 3,500 shares to 5,000 shares;  and (iii) adjust the vesting schedule
in effect for each such annual  5,000-share  grant to provide  for full  vesting
upon completion of one (1) year of Board service rather than annual vesting over
a four (4)-year  period.  The  amendments to the Automatic  Option Grant Program
were approved by the stockholders at the 1995 Annual Meeting.

                  C. In January 1996 the Board approved an amendment to the Plan
to (i) eliminate the discretion of the Plan Administrator to grant options under
the  Discretionary  Option Grant  Program with an exercise  price per share less
than 100% of the fair market  value per share of Common Stock on the grant date,
(ii)  eliminate  the loan  provisions  of the Plan pursuant to which one or more
holders of options  under the  Discretionary  Option  Grant  Program  would have
otherwise had the  opportunity to finance the exercise of those options  through
the delivery of  full-recourse  promissory  notes,  (iii) increase the number of
shares of Common Stock  reserved  for  issuance  over the term of the Plan by an
additional  3,000,000  shares and (iv)  adjust  the number of shares  granted to
non-employee  Board members.  The clause (iii) and (iv) amendments were approved
by the stockholders at the 1996 Annual Meeting.

                  D. In March 1997 the Board  amended and  restated  the Plan to
effect the  following  revisions:  (i)  increase  the number of shares of Common
Stock reserved for issuance over the term of the Plan by an additional 2,500,000
shares,  (ii) render the  non-employee  Board members eligible to receive option
grants under the Discretionary Option Grant Program, (iii) allow unvested shares
issued under the Plan and  subsequently  repurchased  by the  Corporation at the
option  exercise  price or issue price paid per share to be  reissued  under the
Plan, (iv) remove certain  restrictions on the eligibility of non-employee Board
members to serve as Plan  Administrator  and (v)  effect a series of  additional
changes  to the  provisions  of the Plan  (including  the  stockholder  approval
requirements) in order to take advantage of the recent  amendments to Rule 16b-3
of the  Securities  Exchange  Act of 1934,  as amended,  which  exempts

                                       14
<PAGE>

certain  officer and director  transactions  under the Plan from the short-swing
liability provisions of the federal securities laws. The 1997 restatement of the
Plan was approved by stockholders at the 1997 Annual Meeting.

                  E. On April 16, 1999,  the Board amended and restated the Plan
to effect an  increase  in the number of stock  options  granted  to  re-elected
non-employee  Board  members  under the  Automatic  Grant  Program from 7,500 to
12,000 shares annually.  The 1999 restatement of the Plan is subject to approval
by stockholders at the 1999 Annual Meeting.

                  F. The special sale and remittance  procedure for the exercise
of  outstanding  options  under the Plan,  which  was  approved  by the Board in
January 1991,  shall be in effect for all options  outstanding as of January 24,
1991 which  already  include such  procedure as a method of exercise and for all
options  granted after January 24, 1991. In addition,  such  procedure  shall be
available for all non-qualified options currently held by officers and directors
which  do not  otherwise  include  such  procedure  and  for  any  disqualifying
dispositions of Incentive Option shares effected after January 24, 1991.

                  G. The  provisions  of each  restatement  and amendment of the
Plan apply only to stock options and stock appreciation rights granted under the
Plan from and after the effective  date of such  restatement  or amendment.  All
stock options and stock  appreciation  rights issued and  outstanding  under the
Plan  immediately  prior to such effective date shall continue to be governed by
the terms and conditions of the Plan (and the respective  instruments evidencing
each such option or stock appreciation right) as in effect on the date each such
option or stock  appreciation right was previously  granted,  and nothing in any
such  restatement or amendment shall be deemed to affect or otherwise modify the
rights or  obligations  of the  holders of such  options  or stock  appreciation
rights with  respect to their  acquisition  of shares of Common Stock under such
options or their exercise of such stock appreciation rights.

                  H. Unless sooner  terminated in accordance  with paragraph III
of  Articles  Two and Three,  the Plan shall  terminate  upon the earlier of (i)
January 22,  2002 or (ii) the date on which all shares  available  for  issuance
under the Plan shall have been issued or  cancelled  pursuant to the exercise or
surrender of options granted hereunder. If the date of termination is determined
under  clause  (i) above,  then  options  outstanding  on such date shall not be
affected  by the  termination  of the Plan and shall  continue to have force and
effect in accordance  with the  provisions of the  instruments  evidencing  such
options.

                  I. Options may be granted  under this Plan to purchase  shares
of Common  Stock in excess of the number of shares then  available  for issuance
under the Plan,  provided (i) an  amendment  to increase  the maximum  number of
shares  issuable  under the Plan is  adopted by the Board  prior to the  initial
grant  of any such  option  and is  thereafter  submitted  to the  Corporation's
stockholders  for  approval  and (ii) each  option so  granted  is not to become
exercisable,  in whole or in part,  at any time prior to the  obtaining  of such
stockholder approval.

         XVI.     USE OF PROCEEDS

                  Any cash proceeds received by the Corporation from the sale of
shares  pursuant  to options  granted  under the Plan shall be used for  general
corporate purposes.

         XVII.    TAX WITHHOLDING

                  The  Corporation's  obligation to deliver  shares or cash upon
the exercise or surrender of any option granted under the  Discretionary  Option
Grant Program shall be subject to the  satisfaction  of all applicable  federal,
state and local income and employment tax withholding requirements.

                                       15
<PAGE>

         XVIII.   NO EMPLOYMENT/SERVICE RIGHTS

                  Neither  the  action of the  Corporation  in  establishing  or
restating the Plan,  nor any action taken by the Plan  Administrator  hereunder,
nor any  provision  of the  restated  Plan shall be construed so as to grant any
individual the right to remain in the employ or service of the  Corporation  (or
any parent or subsidiary  corporation) for any period of specific duration,  and
the Corporation (or any parent or subsidiary  corporation retaining the services
of such individual) may terminate such individual's employment or service at any
time and for any reason, with or without cause.

         XIX.     REGULATORY APPROVALS

                  The  implementation  of the Plan,  the  granting of any option
hereunder,  and the issuance of stock upon the exercise or surrender of any such
option shall be subject to the  Corporation's  procurement  of all approvals and
permits required by regulatory  authorities  having  jurisdiction over the Plan,
the options granted under it and the stock issued pursuant to it.

                                       16
<PAGE>


                               KOMAG, INCORPORATED


         The  annual  meeting  of  Stockholders  will be held at 10:00  a.m.  on
Tuesday, May 25, 1999, at Komag, Incorporated, Building 9, located at:

                           1705 Automation Parkway
                           San Jose, California 95131

                                [GRAPHIC OMITTED]
<PAGE>

                                                                      APPENDIX C

PROXY                          KOMAG, INCORPORATED                         PROXY

               PROXY SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS
           OF KOMAG INCORPORATED FOR THE ANNUAL MEETING, MAY 25, 1999


The  undersigned  hereby  appoints  STEPHEN C. JOHNSON and TU CHEN, or either of
them, as lawful agents and proxies,  with full power of substitution in each, to
represent  the  undersigned  at the  Annual  Meeting of  Stockholders  of Komag,
Incorporated  (the Company) to be held on May 25, 1999, and at any  adjournments
or  postponements  thereof,  on all matters  properly  coming before said Annual
Meeting, including but not limited to the matters set forth on the reverse side.

You are encouraged to specify your choices by marking the  appropriate  boxes on
the  reverse  side,  but you  need  not  mark  any  boxes if you wish to vote in
accordance  with the Board of Directors'  recommendations.  Your proxy cannot be
voted unless you sign, date and return this card or follow the  instructions for
telephone or Internet voting, if provided.

This proxy when properly  executed will be voted in the manner directed  herein.
If no direction is made, this proxy will be voted FOR proposals 1-5, and will be
voted in the  discretion  of the proxies upon such other matters as may properly
come before the Annual Meeting.

                   CONTINUED AND TO BE SIGNED ON REVERSE SIDE

                            ^ FOLD AND DETACH HERE ^



<PAGE>

                                                                     Please mark
                                                                  [x] your votes
                                                                      as in this
                                                                       example

The Board of Directors recommends a vote FOR each of Proposals 1-5.

                                                              FOR       WITHHELD
                                                              ALL       FROM ALL
                                                           NOMINEES     NOMINEES
                                                              [ ]          [ ]
1. VOTE ON DIRECTORS:
     Proposal to elect nine directors to a one-year term.

   Nominees:
     Tu Chen, Stephen C. Johnson, Chris A. Eyre, Irwin
     Federman, George A. Neil, Max Palevsky, Michael R.
     Splinter, Anthony Sun, Masayoshi Takebayashi

   [ ] ----------------
       For all nominees except
       as noted above


2. Proposal to amend the Company's  1988 Employee Stock    FOR  AGAINST  ABSTAIN
   Purchase  Plan to  increase  the number of shares of    [ ]    [ ]      [ ]
   Common  Stock  available  for  issuance by 2,550,000
   shares.

3. Proposal  to  renew  the  approval  of the  sale and    [ ]    [ ]      [ ]
   issuance  by the  Company  of up to $250  million of
   Common Stock or securities  convertible  into Common
   Stock  in  private  transactions  from  time to time
   until  October  1, 2000 at a price  below book value
   but at or above the then current market price of the
   Common Stock.

4. Proposal to amend the Company's  Restated 1987 Stock    [ ]    [ ]      [ ]
   Option Plan to increase the number of stock  options
   to be granted to re-elected  non-employee  directors
   under the Automatic  Option Grant Program from 7,500
   to 12,000 shares annually.

5. Proposal to ratify the  appointment of Ernst & Young    [ ]    [ ]      [ ]
   LLP as  independent  auditors of the Company for the
   fiscal year ending January 2, 2000.


                         Please  mark,  sign,  date and  return  this proxy card
                         promptly, using the enclosed envelope.

                         The signer hereby acknowledges receipt of the Notice of
                         Annual Meeting of Stockholders and  accompanying  Proxy
                         Statement dated April 16, 1999.

                         The signer hereby revokes all proxies  heretofore given
                         by the signer to vote at said  Annual  Meeting  and any
                         adjournments or postponements thereof.

Signature ____________________________________________  Date ___________________


Signature (Joint Owner) ______________________________  Date ___________________


NOTE:  Please  sign  exactly  as  name appears herein. When signing as attorney,
executor,  administrator,  trustee  or  guardian, or in any other representative
capacity,  please give full title as such, and sign your own name as well. Joint
owners should each sign.

                            ^ FOLD AND DETACH HERE ^





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