LSI LOGIC CORP
DEF 14A, 1999-03-23
SEMICONDUCTORS & RELATED DEVICES
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<PAGE>   1
 
                                  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 [ ]
 
Filed by a Party other than the Registrant [ ]
 
Check the appropriate box:
 
<TABLE>
<S>                                             <C>
[ ]  Preliminary Proxy Statement                [ ]  Confidential, for Use of the Commission
                                                     Only (as permitted by Rule 14a-6(e)(2))
[x]  Definitive Proxy Statement
[ ]  Definitive Additional Materials
[ ]  Soliciting Material Pursuant to Rule 14a-11(c) or Rule 14a-12
</TABLE>
                            LSI LOGIC CORPORATION
- --------------------------------------------------------------------------------
                (Name of Registrant as Specified In Its Charter)
 
- --------------------------------------------------------------------------------
    (Name of Person(s) Filing Proxy Statement, if other than the Registrant)
 
Payment of Filing Fee (Check the appropriate box):
 
[ ]  No fee required.
 
[ ]  Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.
 
     (1)  Title of each class of securities to which transaction applies:
 
     (2)  Aggregate number of securities to which transaction 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>   2
 
                             LSI LOGIC CORPORATION
                            ------------------------
 
                    NOTICE OF ANNUAL MEETING OF STOCKHOLDERS
                                  MAY 7, 1999
 
To the Stockholders:
 
     NOTICE IS HEREBY GIVEN that the Annual Meeting of Stockholders of LSI Logic
Corporation (the "Company"), a Delaware corporation, will be held on May 7, 1999
at 1:30 p.m., local time, at the Hotel Nikko, 222 Mason Street, San Francisco,
California, for the following purposes:
 
          1. To elect directors to serve for the ensuing year and until their
     successors are elected.
 
          2. To approve an amendment to the Company's 1991 Equity Incentive Plan
     to increase the number of shares of common stock reserved for issuance
     thereunder by 6,250,000.
 
          3. To approve an Amended and Restated Employee Stock Purchase Plan to
     increase the number of shares of common stock reserved for issuance
     thereunder by 750,000; to change the enrollment dates; to reduce the length
     of the offering period; and to grant the Board of Directors authority to
     alter the purchase price of shares and to make other administrative
     changes.
 
          4. To approve an amendment to the 1995 Director Stock Option Plan to
     change the annual grant of options to each non-employee director to 12,500
     shares, which options shall become fully vested six months after the date
     of grant.
 
          5. To ratify the appointment of PricewaterhouseCoopers LLP as
     independent accountants of the Company for its 1999 fiscal year.
 
          6. To transact such other business as may properly come before the
     meeting and any adjournments thereof.
 
     The foregoing items of business are more fully described in the Proxy
Statement accompanying this Notice.
 
     Only stockholders of record at the close of business on March 15, 1999, are
entitled to notice of and to vote at the meeting.
 
     All stockholders are cordially invited to attend the meeting in person.
However, to assure your representation at the meeting, you are urged to mark,
date, sign and return the enclosed proxy card as promptly as possible in the
postage-prepaid envelope enclosed for that purpose. Any stockholder attending
the meeting may vote in person even if he or she returned a proxy.
 
                                          Sincerely,
 
                                          David E. Sanders
                                          Secretary
 
Milpitas, California
March 24, 1999
 
                             YOUR VOTE IS IMPORTANT
 
IN ORDER TO ASSURE YOUR REPRESENTATION AT THE MEETING, YOU ARE REQUESTED TO
MARK, SIGN AND DATE THE ENCLOSED PROXY CARD AS PROMPTLY AS POSSIBLE AND RETURN
IT IN THE ENCLOSED ENVELOPE (TO WHICH NO POSTAGE NEED BE AFFIXED IF MAILED IN
THE UNITED STATES).
<PAGE>   3
 
                             LSI LOGIC CORPORATION
                            ------------------------
 
                                PROXY STATEMENT
 
                 INFORMATION CONCERNING SOLICITATION AND VOTING
 
GENERAL
 
     The enclosed Proxy is solicited on behalf of LSI Logic Corporation
(referred to as "the Company") for use at the Annual Meeting of Stockholders to
be held on May 7, 1999 at 1:30 p.m., local time, or at any adjournment(s)
thereof, for the purposes set forth in this proxy statement and in the
accompanying Notice of Annual Meeting of Stockholders. The annual meeting will
be held at the Hotel Nikko, 222 Mason Street, San Francisco, California. The
address of the Company's principal executive offices is 1551 McCarthy Boulevard,
Milpitas, California 95035, and the Company's telephone number is (408)
433-8000. The Company's address on the Internet is www.lsilogic.com.
 
     These proxy solicitation materials were mailed on or about March 25, 1999
to all stockholders entitled to vote at the meeting.
 
RECORD DATE; SHARES OUTSTANDING
 
     Stockholders of record at the close of business on the record date of March
15, 1999, are entitled to notice of and to vote at the meeting. As of the record
date, 141,834,042 shares of the Company's common stock, $0.01 par value, were
issued and outstanding. On the record date, the closing price of the Company's
common stock on the New York Stock Exchange was $24.50 per share.
 
REVOCABILITY OF PROXIES
 
     Any Proxy given pursuant to this solicitation may be revoked by the person
giving it at any time before its use by delivering to the Company a written
notice of revocation or a duly executed proxy bearing a later date or by
attending the meeting and voting in person.
 
VOTING AND SOLICITATION
 
     On all matters other than the election of directors, each share has one
vote. See "ELECTION OF DIRECTORS -- REQUIRED VOTE." The cost of soliciting
proxies will be borne by the Company. The Company has retained the services of
Georgeson & Company, Inc. to aid in the solicitation of proxies from brokers,
bank nominees and other institutional owners. The Company estimates that it will
pay Georgeson & Company, Inc. a fee not to exceed $14,000 for its services and
will reimburse it for certain out of pocket expenses estimated to be $6,000. In
addition, the Company may reimburse brokerage firms and other persons
representing beneficial owners of shares for their expenses in forwarding
solicitation material to such beneficial owners. Proxies may be solicited by
some of the Company's directors, officers and regular employees, without
additional compensation, personally or by telephone.
 
     The proxy confers discretionary authority on the Company to vote on any
matter raised at the annual meeting of which the Company did not receive notice
at least 45 days before the mailing of these proxy materials.
 
QUORUM; ABSTENTIONS; BROKER NON-VOTES
 
     The required quorum for the transaction of business at the annual meeting
is a majority of the votes eligible to be cast by holders of shares of common
stock issued and outstanding on the record date. Shares that are voted "FOR,"
"AGAINST," or "WITHHELD FROM" a matter are treated as being present at the
meeting for purposes of establishing a quorum and are also treated as votes cast
at the annual meeting with respect to a matter.
 
                                        1
<PAGE>   4
 
     The Company intends to count abstentions for purposes of determining both
the presence or absence of a quorum and the total number of shares present or
represented and entitled to vote on any matter other than the election of
directors. Broker non-votes will not be considered shares entitled to vote and
therefore will not be counted in determining the outcome of any proposal.
 
DEADLINE FOR RECEIPT OF STOCKHOLDER PROPOSALS
 
     Proposals of stockholders of the Company that are intended to be presented
by such stockholders at the Company's 2000 annual meeting must be received by
the Company no later than November 19, 1999, and must be in compliance with
applicable laws and regulations in order to be considered for inclusion in the
proxy statement and form of proxy for that meeting.
 
                               SECURITY OWNERSHIP
 
PRINCIPAL STOCKHOLDERS
 
     As of the February 12, 1999, the Company did not know of any beneficial
owners of more than 5% of the Company's common stock.
 
SECURITY OWNERSHIP OF MANAGEMENT
 
     The following table sets forth the beneficial ownership of common stock of
the Company as of February 12, 1999, by all directors, each of the named
executive officers set forth in the Summary Compensation Table on page 17 of the
proxy statement and by all directors and current executive officers as a group:
 
<TABLE>
<CAPTION>
                                                               NUMBER     APPROXIMATE
                                                              OF SHARES   PERCENTAGE
                            NAME                                OWNED        OWNED
                            ----                              ---------   -----------
<S>                                                           <C>         <C>
Wilfred J. Corrigan(1)......................................  6,989,952      4.93%
T.Z. Chu(2).................................................     65,700         *
Malcolm R. Currie(3)........................................    141,950         *
James H. Keyes(4)...........................................     76,250         *
R. Douglas Norby(5).........................................    219,092         *
John P. Daane(6)............................................    160,578         *
W. Richard Marz(7)..........................................    208,790         *
Joseph M. Zelayeta(8).......................................    237,000         *
All current directors and executive officers as a group (13
  persons)(9)...............................................  8,469,235      5.97%
</TABLE>
 
- ---------------
 * Less than 1%
 
(1) Includes options to purchase 1,600,000 shares, which are presently
    exercisable or will become exercisable within 60 days of February 12, 1999.
 
(2) Includes options to purchase 26,250 shares, which are presently exercisable
    or will become exercisable within 60 days of February 12, 1999.
 
(3) Includes options to purchase 28,750 shares, which are presently exercisable
    or will become exercisable within 60 days of February 12, 1999.
 
(4) Includes options to purchase 28,750 shares, which are presently exercisable
    or will become exercisable within 60 days of February 12, 1999.
 
(5) Includes options to purchase 180,625 shares, which are presently exercisable
    or will become exercisable within 60 days of February 12, 1999.
 
(6) Includes options to purchase 149,500 shares, which are presently exercisable
    or will become exercisable within 60 days of February 12, 1999.
 
                                        2
<PAGE>   5
 
(7) Includes options to purchase 205,000 shares, which are presently exercisable
    or will become exercisable within 60 days of February 12, 1999.
 
(8) Includes options to purchase 221,500 shares, which are presently exercisable
    or will become exercisable within 60 days of February 12, 1999.
 
(9) Includes options to purchase 2,775,301 shares, which are presently
    exercisable or will become exercisable within 60 days of February 12, 1999.
 
                                  PROPOSAL ONE
 
                             ELECTION OF DIRECTORS
 
NOMINEES
 
     A board of six directors is to be elected at the meeting. Unless otherwise
instructed, the proxy holders will vote the proxies received by them for the
Company's six nominees named below. All nominees but Mr. O'Rourke are currently
directors of the Company. If any nominee of the Company is unable or declines to
serve as a director at the time of the annual meeting, the proxies will be voted
for a nominee designated by the present Board of Directors to fill the vacancy.
If additional persons are nominated for election as directors, the proxy holders
intend to vote all proxies received by them in accordance with cumulative voting
so as to elect as many of the nominees listed below as possible. In such event,
the proxy holders will determine the specific nominees for whom to vote. The
term of office of each person elected as a director will continue until the next
annual meeting or until his successor has been elected and qualified.
 
     The names of the nominees for election to the Board of Directors, and
certain information about them, are set forth below.
 
<TABLE>
<CAPTION>
                                                                                        DIRECTOR
            NAME OF NOMINEE              AGE            PRINCIPAL OCCUPATION             SINCE
            ---------------              ---            --------------------            --------
<S>                                      <C>   <C>                                      <C>
Wilfred J. Corrigan....................  61    Chairman of the Board of Directors and     1981
                                                 Chief Executive Officer of the
                                                 Company
T.Z. Chu...............................  64    Retired President of Hoefer Pharmacia      1992
                                                 Biotech, Inc.
Malcolm R. Currie......................  72    Chief Executive Officer, Currie            1992
                                                 Technologies, Inc.; Chairman
                                                 Emeritus, Hughes Aircraft Company
James H. Keyes.........................  58    Chairman and Chief Executive Officer of    1983
                                                 Johnson Controls, Inc.
R. Douglas Norby.......................  63    Executive Vice President and Chief         1993
                                                 Financial Officer of the Company
Matthew J. O'Rourke....................  60    Consultant; Retired Partner, Price            *
                                                 Waterhouse LLP
</TABLE>
 
     There are no family relationships between or among any directors or
executive officers of the Company.
 
     Mr. Corrigan, a founder of the Company, has served as Chief Executive
Officer and a director of the Company since our organization in January 1981.
Mr. Corrigan also serves on the boards of directors of several privately held
corporations.
 
     Mr. Chu served as President of Hoefer Pharmacia Biotech, Inc., a
biotechnology company, from March 1995 until his retirement in February 1997.
From August 1993 until March 1995, Mr. Chu served as President and Chief
Executive Officer of Hoefer Scientific Instruments, a manufacturer of scientific
instruments.
 
     Mr. Currie serves as Chief Executive Officer of Currie Technologies, Inc.,
a manufacturer of electric propulsion systems for bicycles. Mr. Currie served as
Chairman and Chief Executive Officer of Hughes Aircraft Company from March 1988
until his retirement in July 1992. He presently serves on the boards of
directors of Unocal Corporation, Investment Company of America, SM&A Corp., and
Regal One Corp., and as Chairman of the Board of Trustees of the University of
Southern California.
 
                                        3
<PAGE>   6
 
     Mr. Keyes has served as Chairman and Chief Executive Officer of Johnson
Controls, Inc. since January 1993. Johnson Controls, Inc. is a global leader in
automotive systems and facility management and control. Mr. Keyes also serves on
the boards of directors of Pitney Bowes Inc. and the Chicago Federal Reserve
Board.
 
     Mr. Norby has served as Executive Vice President and Chief Financial
Officer of the Company since November 1996. From September 1993 until November
1996, Mr. Norby served as Senior Vice President and Chief Financial Officer of
Mentor Graphics Corporation, an EDA company. Mr. Norby serves on the board of
directors of Corvas International, Inc.
 
     Mr. O'Rourke was a partner with the accounting firm Price Waterhouse LLP
from 1972 until his retirement in June 1996. Prior to his retirement, he served
as the managing partner at Price Waterhouse's New York National Office from 1994
to 1996 and as managing partner for Northern California from 1988 to 1994. Since
his retirement, Mr. O'Rourke has provided services as an independent business
consultant. Mr. O'Rourke is a member of the board of directors of Read-Rite
Corporation, a manufacturer of recording heads and related assemblies for
computer disk and tape drives and other data storage products.
 
BOARD MEETINGS AND COMMITTEES
 
     The Board of Directors of the Company held a total of seven meetings during
the fiscal year ended December 31, 1998. The Board of Directors has an Audit
Committee and a Compensation Committee, both of which consist solely of
non-employee directors. The Board of Directors does not have a nominating
committee or a committee performing the functions of a nominating committee.
 
     The Audit Committee, which consists of Mr. Currie (who serves as its
chairman), Mr. Chu and Mr. Keyes, held three meetings during the last fiscal
year. The Audit Committee recommends engagement of the Company's independent
accountants, and is primarily responsible for approving the services performed
by the Company's independent accountants and for reviewing and evaluating the
Company's accounting principles and its system of internal accounting controls.
 
     The Compensation Committee, which consists of Mr. Keyes (who serves as its
chairman), Mr. Chu and Mr. Currie, held two meetings during the last fiscal
year. The Compensation Committee reviews and approves the Company's executive
compensation policy and makes recommendations concerning the Company's employee
benefit plans.
 
     During the fiscal year ended December 31, 1998, all incumbent directors
attended at least 75% of the aggregate number of meetings of the Board of
Directors and meetings of the committees of the Board on which they served.
 
COMPENSATION OF DIRECTORS
 
     Members of the Board of Directors who are not employees of the Company
receive an annual fee of $25,000 paid on a prorated basis and $1,500 for each
meeting they attend, plus reimbursement of expenses for attendance at Board and
committee meetings. The Company's 1995 Director Stock Option Plan as adopted by
the Board of Directors and approved by the stockholders, provides for a grant of
nonstatutory stock options to non-employee directors of the Company. Each
non-employee director is granted an initial option to purchase 15,000 shares of
common stock on the date on which he or she first becomes a director. In
addition, on April 1 of each year each non-employee director is automatically
granted a subsequent option to purchase 7,500 shares of common stock of the
Company, if on the date of grant he or she has served on the Board of Directors
for at least six months. The vesting schedule for options granted under the 1995
Director Stock Option Plan is set at 25% on each of the first four anniversaries
of the grant. Options may be exercised only while the optionee is a director of
the Company, within 12 months after death or within three months after the
optionee ceases to serve as a director of the Company, but in no event after the
ten-year term of the option has expired. As of the record date, a total of
500,000 shares have been reserved for issuance under the 1995 Director Stock
Option Plan, of which 75,000 are subject to outstanding options, none has been
issued upon exercise of options, and 425,000 remain available for grant. During
fiscal 1998, Subsequent Options having an exercise price of $27.25 per share
were granted to each of directors Chu, Currie and Keyes.
 
                                        4
<PAGE>   7
 
     If the stockholders approve Proposal Four at the annual meeting, the 1995
Director Stock Option Plan will be amended to provide that new grants of
subsequent options made to each non-employee director shall be for options to
purchase 12,500 shares which will fully vest six months after the date of grant.
The vesting schedule for subsequent options previously granted will remain
unchanged.
 
REQUIRED VOTE
 
     Directors shall be elected by a plurality of the votes of the shares of the
Company's common stock entitled to vote and represented in person or by proxy at
the annual meeting. The six nominees for director receiving the highest number
of affirmative votes of the shares entitled to be voted for them shall be
elected as directors. Votes against, votes withheld and broker non-votes have no
legal effect on the election of directors due to the fact that such elections
are by a plurality.
 
     Every stockholder voting in the election of directors may cumulate such
stockholder's votes and give one candidate a number of votes equal to the number
of directors to be elected (six) multiplied by the number of votes to which the
stockholder's shares are entitled, or may distribute the stockholder's votes on
the same principle among as many candidates as the stockholder thinks fit,
provided that votes cannot be cast for more than six candidates. However, no
stockholder shall be entitled to cumulate votes for a candidate unless the
candidate's name has been properly placed in nomination prior to the voting, and
the stockholder, or any other stockholder, has given notice at the meeting prior
to the voting of the intention to cumulate votes. The proxy holders will
exercise discretionary authority to cumulate votes in the event that additional
persons are nominated at the annual meeting for election of directors.
 
      MANAGEMENT RECOMMENDS A VOTE FOR EACH OF THE NOMINEES LISTED ABOVE.
 
                                  PROPOSAL TWO
 
            AMENDMENT TO THE 1991 EQUITY INCENTIVE PLAN TO INCREASE
             THE NUMBER OF SHARES RESERVED FOR ISSUANCE THEREUNDER
 
GENERAL
 
     The 1991 Equity Incentive Plan, or EIP, was adopted by the Board of
Directors and approved by the stockholders in May 1991, and a total of 2,000,000
shares of common stock were initially reserved for issuance thereunder. From
time to time since May 1991, the Board of Directors and stockholders have
approved amendments to the 1991 EIP to increase the number of shares reserved
for issuance thereunder to an aggregate of 25,000,000 shares and to make certain
additional amendments.
 
     As of the record date, 4,295,683 shares had been issued pursuant to the
exercise of options granted under the 1991 EIP and options to purchase
17,849,720 shares were outstanding, leaving only 2,854,597 shares available for
future grants under the 1991 EIP (without giving effect to this proposed
amendment).
 
PROPOSED AMENDMENT TO INCREASE SHARES RESERVED
 
     Stockholder approval is hereby sought for an amendment approved by the
Board of Directors on February 19, 1999, increasing the number of shares of
common stock reserved for issuance under the 1991 EIP by 6,250,000 shares. If
the proposed amendment is approved, the total number of shares of common stock
reserved for issuance under the 1991 EIP will be 31,250,000.
 
REQUIRED VOTE
 
     The affirmative vote of a majority of the votes cast at the annual meeting
will be required to approve PROPOSAL TWO.
 
                                        5
<PAGE>   8
 
SUMMARY OF THE 1991 EQUITY INCENTIVE PLAN
 
     The essential features of the 1991 EIP are outlined below.
 
  Purpose
 
     The purpose of the 1991 EIP is to enable the Company to provide an
incentive to eligible employees and consultants whose present and potential
contributions are important to the continued success of the Company, to afford
them an opportunity to acquire a proprietary interest in the Company and to
enable the Company to hire and retain the best available talent for the
successful conduct of its business.
 
     The Board of Directors believes that the 1991 EIP is an important factor in
attracting and retaining the high caliber employees and consultants essential to
the success of the Company and in aligning their long-term interests with those
of the stockholders. Competition for highly qualified individuals in the
Company's industry is intense, particularly in the current environment of very
low unemployment among the limited pool of candidates possessing the specialized
skills required in areas in which the Company competes. Employers with which the
Company competes for such highly qualified individuals, including those
companies that anticipate an initial public offering, frequently offer grants of
substantial numbers of stock options as part of a comprehensive compensation
package. Accordingly, management believes that to successfully attract the best
candidates and retain key employees, the Company must be in a position to offer
a competitive stock option incentive program as an essential component of its
compensation packages.
 
     The Board of Directors further believes that stock options serve an
important role in motivating recipients to contribute to the Company's continued
growth and profitability. The proposed amendment to the 1991 EIP is intended to
ensure that there will be a reasonable number of shares available to meet these
needs for the coming year.
 
  Stock Options
 
     The 1991 EIP permits the granting both of stock options that either are
intended to qualify as Incentive Stock Options, or ISOs, and of stock options
that are not intended to so qualify, known as Nonstatutory Stock Options or
NSOs.
 
     The exercise price for each option may not be less than 100% of the fair
market value of a share of common stock on the date such option is granted (or
not less than 110% of such fair market value in the case of grants of ISOs to
10% stockholders). The exercise price of granted options may not be reduced
without stockholder approval. No employee may be granted, in any fiscal year,
options to purchase more than 750,000 shares.
 
     The term of each option is fixed by the Board of Directors at the time of
the grant, generally at ten years from the date of grant. (In the case of ISOs
the term may not exceed five years in the case of grants to a 10% stockholder
and ten years for others.) The Board of Directors also determines the vesting
schedule for each option grant, which is generally 25% on each of the first four
anniversaries of the date of grant.
 
     The exercise price of options granted under the 1991 EIP, including
applicable tax withholding if any, must be paid in full at the time of exercise.
The method of payment is determined by the Board of Directors or its designated
committee administering the 1991 EIP and may consist of cash, check, promissory
note, other shares of common stock, delivery of a properly executed exercise
notice with irrevocable instructions to the optionee's broker to deliver to the
Company the amount of sale proceeds required to pay the exercise price, any
combination of the foregoing methods of payment or such other consideration and
method of payment permitted under the Delaware General Corporation Law.
 
     If an optionee's employment terminates for any reason, including
retirement, his or her exercisable options may be exercised within the time
period set forth in the option agreement, which is generally 90 days from the
date of termination. If the Board of Directors or its designated committee
determines that an employee was discharged for misconduct (as defined in the
1991 EIP), the employee has no further rights under the options granted to him
or her or under the plan. If an optionee's employment is terminated by
 
                                        6
<PAGE>   9
 
reason of the optionee's death or permanent total disability, the option will be
exercisable for 12 months following the date of death or disability, subject to
the stated term of the option. Options granted to consultants have such terms
and conditions with respect to the effect of termination of the consulting
relationship (including upon the death of the consultant) as the Board of
Directors or its designated committee may determine in each case.
 
  Eligibility
 
     Any employee (including any officer) or consultant of the Company or of its
majority-owned subsidiaries whom the Board of Directors deems to have the
potential to contribute to the future success of the Company is eligible to
receive NSO option grants under the 1991 EIP. Only employees of the Company or
of its subsidiaries are eligible to ISO grants. As of the record date, the
Company had approximately 6,130 employees.
 
  Adjustments for Recapitalizations and Reorganizations
 
     In the event of a stock dividend, stock split, combination or similar
event, the number of shares of common stock available for issuance under the
1991 EIP shall be increased or decreased proportionately, and the number of
shares of common stock deliverable upon exercise, and, where applicable, the
exercise price of each option, shall be proportionately adjusted. In the event
of a merger, reorganization, liquidation or similar event, the Board of
Directors may either provide for the assumption or substitution of outstanding
options or provide that the options must be exercised within 30 days. In either
case, the Board of Directors may provide for accelerated vesting of such
options.
 
  Administration
 
     The 1991 EIP is administered by the Board of Directors or by a committee
appointed by the Board of Directors in compliance with Rule 16b-3 promulgated
under the Securities Exchange Act of 1934. If permitted by Rule 16b-3, the 1991
EIP may be administered by different bodies with respect to employees who are
directors, non-director officers, employees who are neither directors nor
officers, and consultants. A member of the Board of Directors who is an eligible
employee is permitted to participate in the 1991 EIP but may not be a member of
a committee appointed to administer it. Members of the Board of Directors
receive no additional compensation for their services in connection with the
administration of the 1991 EIP.
 
  Amendment and Termination
 
     The Board of Directors may amend, alter, suspend or discontinue the 1991
EIP at any time, but such amendment, alteration, suspension or discontinuation
may not impair the rights of any participant in the 1991 EIP without the
participant's consent. In addition, no ISO may be granted under the 1991 EIP
after March 8, 2001.
 
     In addition, to the extent necessary and desirable to comply with Rule
16b-3 or Section 422A of the Internal Revenue Code of 1986, as amended (or any
other applicable law or regulation), the Company shall obtain stockholder
approval of any 1991 EIP amendment, in such a manner and to such a degree as
required to comply with such laws or regulations.
 
  Certain United States Federal Income Tax Information
 
     The following is only a brief summary of the effect of federal income
taxation upon the participant and the Company under the 1991 EIP based upon the
Internal Revenue Code. This summary is not intended to be complete and does not
discuss the income tax laws of any municipality, state or country outside of the
United States. It is advisable that a participant contact his or her own tax
adviser concerning the application of tax laws.
 
     If an option granted under the 1991 EIP is an ISO, the optionee will
recognize no taxable income upon grant or exercise of the ISO unless the
alternative minimum tax rules apply. Upon the resale or exchange of
 
                                        7
<PAGE>   10
 
the shares at least two years after grant of the ISO and one year after exercise
by the optionee, any gain (or loss) will be taxed to the optionee as ordinary
income (or loss) or capital gain (or loss), depending on how long the optionee
has held the stock.
 
     All options that do not qualify as ISOs are taxed as NSOs. An optionee will
not recognize any taxable income at the time he or she is granted an NSO.
However, upon the exercise of an NSO, the optionee will generally recognize
ordinary income for federal income tax purposes measured by the excess, if any,
of the then fair market value of the shares over the exercise price. The
ordinary income recognized upon exercise of an NSO by an optionee who is also an
employee of the Company will be treated as wages for tax purposes and will be
subject to tax withholding out of the current compensation, if any, paid to the
optionee. Upon resale of such shares by the optionee, any difference between the
sale price and fair market value on the date of exercise will be treated as
capital gain (or loss).
 
     The Company will be entitled to a tax deduction (except that such deduction
may be limited or disallowed by Section 162(m) of the Code for certain highly
compensated executive officers) in the same amount as the ordinary income, if
any, recognized by the optionee (i) upon exercise of an NSO and (ii) upon the
sale of shares acquired by exercise of an ISO in a disqualifying disposition.
The Company will not be allowed a deduction for federal income tax purposes as a
result of the exercise of an ISO, regardless of the applicability of the
alternative minimum tax.
 
 THE BOARD OF DIRECTORS RECOMMENDS A VOTE FOR THE AMENDMENT OF THE 1991 EQUITY
     INCENTIVE PLAN TO INCREASE THE NUMBER OF SHARES RESERVED FOR ISSUANCE
 THEREUNDER. THE EFFECT OF AN ABSTENTION IS THE SAME AS THAT OF A VOTE AGAINST
                THE AMENDMENT OF THE 1991 EQUITY INCENTIVE PLAN.
 
                                 PROPOSAL THREE
 
        APPROVAL OF AN AMENDED AND RESTATED EMPLOYEE STOCK PURCHASE PLAN
       TO INCREASE THE NUMBER OF SHARES RESERVED FOR ISSUANCE THEREUNDER;
                          TO CHANGE ENROLLMENT DATES;
                TO REDUCE THE LENGTH OF THE OFFERING PERIOD; AND
             TO GRANT THE BOARD OF DIRECTORS AUTHORITY TO ALTER THE
       PURCHASE PRICE OF SHARES AND TO MAKE OTHER ADMINISTRATIVE CHANGES
 
GENERAL
 
     The Employee Stock Purchase Plan, or ESPP, was adopted by the Board of
Directors and approved by the stockholders in April 1983. A total of 225,000
shares of common stock were initially reserved for issuance thereunder. From
time to time since April 1983, the Board of Directors and stockholders have
approved amendments to the ESPP to increase the number of shares reserved for
issuance thereunder, and to change certain other provisions. As of January 1,
1999, of the 17,099,473 shares reserved for issuance under the ESPP (without
giving effect to this amendment), 15,473,156 shares had been issued. The Company
estimates that it will utilize a substantial portion of the 1,626,317 remaining
available shares in the exercise period ending March 31, 1999, leaving an
inadequate number of shares available for issuance thereafter.
 
     Employees rate the ESPP as their most valuable benefit. As of January 1,
1999, over 82% of the eligible employees are participating in the ESPP. The
Company believes that the ESPP is an important program that aligns the long term
interests of employees with those of the stockholders.
 
     The increase in the number of employees following the acquisition of
Symbios, Inc. in August 1998 has resulted in a higher rate of share consumption
than has historically been experienced. Additionally, certain actual and
anticipated changes in accounting rules governing the treatment of such programs
require changes in the way the Company administers the ESPP. In order to
preserve the benefits of the ESPP for both the Company and its employees, the
Company has amended and restated the ESPP in the form which it now
 
                                        8
<PAGE>   11
 
submits to the stockholders for approval. The Amended and Restated ESPP is
attached to this proxy statement as Exhibit 1.
 
PROPOSED AMENDMENTS TO THE ESPP
 
     On March 11, 1999, the Board of Directors approved a comprehensive set of
amendments to the ESPP. The amendments are primarily intended to increase the
number of shares reserved under the ESPP and to address certain accounting rules
changes relevant to the ESPP which could have an adverse effect on the Company.
Stockholder approval is hereby sought for an Amended and Restated ESPP to
implement these changes.
 
     Amendments include:
 
     - Increasing the number of shares of common stock reserved for issuance
       under the ESPP by 750,000;
 
     - Reducing the offering period to 12 months;
 
     - Changing the offering period enrollment dates;
 
     - Granting the Board of Directors authority to alter the purchase price of
       shares added to the ESPP during an offering period; and
 
     - Providing the Board of Directors with authority to make further changes
       to the ESPP to address the effects of future accounting rules changes and
       other factors.
 
     The following is a detailed description of the significant amendments to
the ESPP and the reasons for them.
 
  Addition of Shares Reserved for Issuance Under the ESPP
 
     The total number of shares of common stock reserved for issuance under the
ESPP is 17,099,473, of which 1,626,317 are currently available for issuance.
These are not enough shares to meet anticipated demand because participation in
the ESPP increased as a result of the addition of employees in the acquisition
of Symbios and because of the lower fair market value of the Company's common
stock at the beginning of the last offering period on October 1, 1998.
Therefore, stockholder approval is sought to increase the number of shares of
common stock reserved for issuance under the ESPP by 750,000. If the proposed
amendment is approved, the total number of shares of common stock reserved for
issuance under the ESPP will be 17,849,473. The number of shares of common stock
reserved for issuance under the ESPP, as amended by this proposal, together with
the annual share refresh previously approved by the stockholders, is anticipated
to be sufficient to meet the Company's requirements for the next 12 months if
the Company continues to issue shares under the ESPP at rates approximating
historical levels.
 
  Reduction of the Offering Period; Changes to the Enrollment Dates; Adjustment
to Purchase Price
 
     Under the ESPP as currently structured, each offering period begins on
either April 1 or October 1 and consists of four six month purchase periods
ending on March 31 or September 30. At the end of each purchase period, the
price at which a participant purchases the stock is the lesser of (a) 85% of the
market price on the purchase date or (b) the price at which the participant
purchased stock at the beginning of the current offering period.
 
     Various changes in accounting rules currently under consideration could
result in an accounting treatment of stock purchase plans that could be adverse
to the Company. Additionally, there could be adverse accounting consequences if
there are not enough shares reserved for issuance under the ESPP at the
beginning of an offering period. In order to mitigate any adverse affects of
these accounting rules on the Company, management has proposed and the Board of
Directors has adopted three specific amendments to the ESPP. The amendments
would (a) shorten the offering period from 24 months to 12 months; (b) change
the offering enrollment dates to May 15 and November 15 and the corresponding
exercise dates to November 14 and May 14 of each year; and (c) authorize the
Board of Directors in its discretion to set the purchase price for
 
                                        9
<PAGE>   12
 
shares added to the ESPP during an offering period at the lesser of 85% of the
fair market value of a share on the date such shares are authorized or 85% of
the fair market value on the purchase date. The shorter offering period will
reduce the adverse effects that the accounting rule changes currently under
consideration may have on the Company. The changes in enrollment dates will
ensure that one offering period a year will begin shortly after the Company's
annual meeting when necessary increases to share reserves may be submitted for
stockholder approval. Providing flexibility to the Board of Directors in setting
the purchase price of shares added to the ESPP during an offering period will
minimize compensation charges that must be taken by the Company when shares must
be added to make up a shortfall.
 
     Since the proposed changes would be adverse to the current participants,
applying the changes to the current offering period is not permitted based on
the current plan terms and under Internal Revenue Service regulations.
Accordingly, the current 24-month offering period, which began on October 1,
1998, will continue for current participants until its normal termination on
September 29, 2000. It is possible that accounting rule changes or
interpretations will result in a compensation charge to the Company related to
this offering.
 
  Board Authority Make Further Changes to the ESPP
 
     The amendments would provide the Board of Directors with authority to make
further changes to the ESPP to address effects of future accounting rules
changes and other factors. Under the amendments, an offering period could be
terminated after purchase of pro-rata shares when there are insufficient shares
to cover a purchase. An offering period could be terminated or amended by the
Board of Directors on any purchase date if that body were to determine that the
termination of the offering period or the ESPP is in the best interests of the
Company and its stockholders. In addition, without stockholder consent and
without regard to whether any participant rights may be considered to have been
"adversely affected," the Board of Directors could change the duration of
offering periods; limit the frequency and/or number of changes in the amount
withheld during an offering period; permit payroll withholding in excess of the
amount designated by a participant in order to adjust for delays or mistakes in
processing of properly completed withholding elections; establish other
limitations or procedures which are consistent with the ESPP; and further modify
or amend the ESPP to reduce or eliminate unfavorable financial accounting
consequences.
 
     Certain other administrative changes are proposed in the amendments to the
ESPP, including eliminating the 15-day notice prior to changing the duration of
an offering period; deleting the limit on number of offerings in which an
employee can participate; requiring participants to make provision for
withholding taxes; allowing for direct deposit of shares purchased to brokerage
accounts; allowing an employee to continue in the ESPP to the end of the period
covered by payment made in lieu of notice; requiring spousal consent for a
married participant to designate someone other than his or her spouse as
beneficiary; allowing notice by the Company over the Company intranet; and
providing a ten-year term for the ESPP.
 
     A description of the ESPP follows this Proposal Three.
 
REQUIRED VOTE
 
     The affirmative vote of a majority of the votes cast at the annual meeting
will be required to approve PROPOSAL THREE.
 
SUMMARY OF THE AMENDED AND RESTATED ESPP
 
     The essential features of the Amended and Restated ESPP are outlined below.
 
  Purpose
 
     The purpose of the ESPP is to provide employees of the Company and of its
majority-owned subsidiaries designated by the Board of Directors who participate
in the ESPP with an opportunity to purchase common stock of the Company through
payroll deductions.
 
                                       10
<PAGE>   13
 
  Administration
 
     The ESPP is currently being administered by the Board of Directors,
although that body may appoint a committee to perform that function. All
questions of interpretation or application of the ESPP are determined in the
sole discretion of the Board of Directors or its committee, and its decisions
are final and binding upon all participants. Members of the Board of Directors
who are eligible employees are permitted to participate in the ESPP but may not
vote on any matter affecting the administration of the ESPP or the grant of any
option pursuant to the ESPP. No member of the Board of Directors who is eligible
to participate in the ESPP may be a member of the committee appointed to
administer the ESPP. No charges for administrative or other costs may be made
against the payroll deductions of a participant in the ESPP. Members of the
Board of Directors receive no additional compensation for their services in
connection with the administration of the ESPP.
 
  Eligibility
 
     Any person who is employed by the Company (or by any of its majority-owned
subsidiaries designated by the Board) for at least 20 hours per week and more
than five months in a calendar year is eligible to participate in the ESPP. As
of January 1, 1999, approximately 4,350 employees were eligible to participate
in the ESPP and approximately 3,600 of those were participating.
 
  Offering Dates
 
     The ESPP is implemented by consecutive overlapping 12-month offering
periods. The offering periods begin May 15 and November 15 of each year. Each
offering period is composed of two six-month purchase periods. The offering
period which began on October 1, 1998 will end on September 29, 2000 and
consists of four six-month purchase periods. The Board of Directors has the
power to alter the duration of the offering periods without stockholder approval
if such change is announced prior to the scheduled beginning of the first
offering period to be affected.
 
     Eligible employees become participants in the ESPP by delivering a
subscription agreement to the Company authorizing payroll deductions. An
employee who becomes eligible to participate in the ESPP after the commencement
of an offering period may not participate in the ESPP until the commencement of
the next offering period.
 
  Purchase Price
 
     The purchase price per share at which shares are purchased under the ESPP
is the lower of (a) 85% of the fair market value of a share of Company common
stock on the enrollment date for an offering period or (b) 85% of the fair
market value of a share of common stock on the applicable purchase date within
that offering period. If shares are to be added to the ESPP at a time when the
fair market value of a share of common stock is higher than it was on the
enrollment date, then the Board of Directors may at its discretion set the
purchase price for the added shares at the lesser of 85% of the fair market
value of a share of common stock on the date such shares are authorized or 85%
of the fair market value of shares on the applicable purchase date within the
offering period. The fair market value of the common stock on a given date is
determined by the Board of Directors based upon the closing sales price as
reported by the New York Stock Exchange on such date.
 
  Payment of Purchase Price; Payroll Deductions
 
     ESPP shares are purchased with funds that are accumulated through payroll
deductions during the offering period. The deductions may not exceed 10% of a
participant's eligible compensation, which is defined in the ESPP to include the
regular straight time salary as of each payday during the offering period,
exclusive of any payments for overtime, bonuses, commissions or incentive
compensation. A participant may decrease the rate of payroll deductions at any
time in whole percentage point increments, and such decreases are immediately
effective. Increases in the rate of payroll deductions may be made only at the
start of a purchase period.
 
                                       11
<PAGE>   14
 
     All payroll deductions are credited to the participant's account under the
ESPP; no interest accrues on the payroll deductions. All payroll deductions
received or held by the Company may be used by the Company for any corporate
purpose and such payroll deductions need not be segregated.
 
  Purchase of Stock; Exercise of Option
 
     At the beginning of each offering period, each participating employee is in
effect granted an option to purchase shares of common stock. The maximum number
of shares placed under option to a participant in an offering period is
determined by dividing the participant's accumulated payroll deductions during
the purchase period by 85% of the fair market value of the common stock at the
beginning of the offering period or on the applicable purchase date, whichever
is lower. However, the number of shares placed under option may not exceed 200%
of the number of shares determined by dividing 10% of the employee's
compensation to be accumulated over the offering period (determined as of the
enrollment date) by 85% of the fair market value of a share of the Company's
common stock on the enrollment date. Under no circumstances may an employee make
aggregate purchases of stock of the Company and its majority-owned subsidiaries
under the ESPP and any other employee stock purchase plans qualified as such
under Section 423(b) of the Internal Revenue Code in excess of $25,000
(determined using the fair market value of the shares at the time the option is
granted) during any calendar year.
 
  Withdrawal
 
     A participant may terminate his or her participation in the ESPP at any
time by signing and delivering to the Company a notice of withdrawal from the
ESPP. All of the participant's accumulated payroll deductions will be paid to
the participant promptly after receipt of his or her notice of withdrawal and
his or her participation in the current offering period will be automatically
terminated. No resumption of payroll deductions will occur on behalf of such
participant unless such participant re-enrolls in the ESPP by delivering a new
subscription agreement to the Company during the applicable open enrollment
period preceding the commencement of a subsequent offering period. A
participant's withdrawal from the ESPP during an offering period does not have
any effect upon such participant's eligibility to participate in subsequent
offering periods under the ESPP.
 
  Termination of Employment
 
     Termination of a participant's employment for any reason, including
retirement or death, cancels his or her participation in the ESPP immediately.
In such event, the payroll deductions credited to the participant's account will
be returned to such participant or, in the case of death, to the person or
persons designated in the subscription agreement. In the case of death of the
participant, the beneficiary may elect to have funds remain in the participant's
account until the next purchase date and the shares purchased with the funds
will be forwarded to the beneficiary. A participant who receives payment in lieu
of notice of termination of employment shall be treated as continuing to be an
employee during the period in which the participant is subject to such payment
in lieu of notice.
 
  Capital Changes
 
     If any change is made in the capitalization of the Company, such as stock
splits or stock dividends, which results in an increase or decrease in the
number of shares of common stock outstanding without receipt of consideration by
the Company, appropriate adjustments will be made by the Company in the number
of shares subject to purchase and in the purchase price per share, subject to
any required action by the stockholders of the Company. In the event of the
proposed dissolution or liquidation of the Company, the offering period then in
progress will terminate immediately unless otherwise provided by the Board. In
the event of the proposed sale of all or substantially all of the assets of the
Company or the merger of the Company with or into another corporation, each
outstanding option shall be assumed or an equivalent option shall be substituted
by the successor corporation, unless the Board determines, in its discretion, to
accelerate the exercisability of all outstanding options under the ESPP. The
Board may also make provisions for adjusting the number of shares subject to the
ESPP and the purchase price per share if the Company effects
                                       12
<PAGE>   15
 
one or more reorganizations, recapitalizations, rights offerings or other
increases or reductions of shares of the Company's outstanding common stock.
 
  Amendment and Termination of the ESPP
 
     The Board of Directors may at any time amend or terminate the ESPP. An
offering period may be terminated by the Board of Directors on any purchase date
if it determines that the termination of the offering period or the ESPP is in
the best interests of the Company and its stockholders. No amendment may be made
to the ESPP without prior approval of the stockholders of the Company where such
approval is necessary to comply with Section 423 of the Internal Revenue Code
(i.e., if such amendment would increase the number of shares reserved under the
ESPP, permit payroll deductions at a rate in excess of 10% of a participant's
compensation, modify the eligibility requirements or materially increase the
benefits which may accrue to participants under the ESPP).
 
     Without stockholder consent and without regard to whether any participant
rights may be considered to have been "adversely affected," the Board of
Directors shall be entitled to change the offering periods, limit the frequency
and/or number of changes in the amount withheld during an offering period,
establish the exchange ratio applicable to amounts withheld in a currency other
than U.S. dollars, permit payroll withholding in excess of the amount designated
by a participant in order to adjust for delays or mistakes in the Company's
processing of properly completed withholding elections, establish reasonable
waiting and adjustment periods and/or accounting and crediting procedures to
ensure that amounts applied toward the purchase of common stock for each
participant properly correspond with amounts withheld from the participant's
compensation and establish such other limitations or procedures which are
consistent with the ESPP as the Board of Directors determines in its sole
discretion advisable.
 
     In the event the Board of Directors determines that the ongoing operation
of the ESPP may result in unfavorable financial accounting consequences, the
Board of Directors may, in its discretion, modify or amend the ESPP to reduce or
eliminate such accounting consequence including, but not limited to altering the
purchase price for any offering period including an offering period underway at
the time of the change; shortening any offering period so that offering period
ends on a new purchase date, including an offering period underway at the time;
and allocating shares.
 
  Certain United States Federal Income Tax Information
 
     The ESPP, and the right of participants to make purchases thereunder, is
intended to qualify under the provisions of Sections 421 and 423 of the Internal
Revenue Code. Under these provisions, no income will be taxable to a participant
at the time of grant of the option or purchase of shares. Upon disposition of
the shares, the participant will generally be subject to tax and the amount of
the tax will depend upon the holding period. If the shares have been held by the
participant for more than two years after the offering date and more than one
year after the purchase date, the lesser of: (a) the excess of the fair market
value of the shares at the time of such disposition over the purchase price, or
(b) the excess of the fair market value of the shares at the time the option was
granted over the option price (which option price will be computed as of the
grant date) will be treated as ordinary income, and any further gain will be
treated as long-term capital gain. If the shares are disposed of before the
expiration of these holding periods, the excess of the fair market value of the
shares on the purchase date over the option price will be treated as ordinary
income, and any further gain or any loss on such disposition will be long-term
or short-term capital gain or loss, depending on the holding period. Different
rules may apply with respect to participants subject to Section 16(b) of the
Securities Exchange Act of 1934, as amended. The Company is not entitled to a
deduction for amounts taxed as ordinary income or capital gain to a participant
except to the extent of ordinary income reported by participants upon
disposition of shares prior to the expiration of the two holding periods
described above.
 
     The foregoing is only a summary of the effect of federal income taxation
upon the participant and the Company with respect to the purchase of shares
under the ESPP, is not intended to be complete, and does not
 
                                       13
<PAGE>   16
 
discuss the income tax laws of any municipality, state or foreign country. It is
advisable that a participant contact his or her own tax advisor concerning the
application of these tax laws.
 
  THE BOARD OF DIRECTORS RECOMMENDS A VOTE FOR THE APPROVAL OF THE AMENDED AND
  RESTATED PURCHASE PLAN. THE EFFECT OF AN ABSTENTION IS THE SAME AS THAT OF A
              VOTE AGAINST THE AMENDED AND RESTATED PURCHASE PLAN.
 
                                 PROPOSAL FOUR
 
          AMENDMENT TO THE 1995 DIRECTOR STOCK OPTION PLAN TO INCREASE
               ANNUAL GRANTS OF OPTIONS TO NON-EMPLOYEE DIRECTORS
 
GENERAL
 
     The 1995 Director Stock Option Plan, or DSOP, was adopted by the Board of
Directors and approved by the stockholders in May 1995, and a total of 500,000
shares of common stock were initially reserved for issuance thereunder. The
Company believes that the ability to grant options to non-employee directors is
crucial in order to attract and retain the best available personnel for service
as directors, to provide additional incentive to non-employee directors and to
encourage their continued service.
 
PROPOSED AMENDMENT TO MODIFY ANNUAL GRANTS
 
     Stockholder approval is hereby being sought for amendments approved by the
Board of Directors on February 19, 1999, increasing the number of shares of
common stock which are automatically granted to incumbent non-employee directors
on April 1 of each year from 7,500 to 12,500; and changing the vesting schedule
of those options from 25% vesting on each of the first four anniversaries of the
date of grant to full vesting six months after the date of grant. The amendments
to 1995 DSOP also add an additional method of payment of consideration for
shares issued upon exercise by delivery of an irrevocable written election to
have the Company withhold shares having a fair market value on the date of
exercise equal to the aggregate purchase price of the shares being exercised,
including the amount required to be withheld, if any, to satisfy federal, state,
and local withholding tax requirements.
 
REQUIRED VOTE
 
     The affirmative vote of a majority of the votes cast at the annual meeting
will be required to approve PROPOSAL FOUR.
 
SUMMARY OF 1995 DIRECTOR STOCK OPTION PLAN
 
     The essential features of the 1995 DSOP are outlined below.
 
  Purpose
 
     The purposes of the 1995 DSOP are to attract and retain the best available
personnel for service as directors of the Company, to provide additional
incentive to the non-employee directors and to encourage their continued service
on the Board.
 
  Administration
 
     The 1995 DSOP is designed to work automatically and without administration.
However, to the extent administration is necessary, it is provided by the Board
of Directors of the Company. Members of the Board of Directors receive no
additional compensation for their services in connection with the administration
of the 1995 DSOP.
 
                                       14
<PAGE>   17
 
  Eligibility
 
     The 1995 DSOP provides for the grant of nonstatutory stock options to
non-employee directors of the Company. Each non-employee director is granted an
option to purchase 15,000 shares of common stock on the date on which he or she
first becomes a non-employee director. In addition, giving effect to the
proposed amendments, on April 1 of each year each non-employee director is
automatically granted an option to purchase 12,500 shares of common stock of the
Company, if on such date he or she has served on the Board of Directors for at
least six months. Under the 1995 DSOP as amended, those options will fully vest
six months after the date of grant. The 1995 DSOP provides for neither a maximum
nor a minimum number of option shares that may be granted to any one
non-employee director but does provide for the number of shares which may be
included in any grant and the method of making a grant.
 
     Of the five seats currently on the Board of Directors of the Company, three
are occupied by non-employee directors, each of whom is eligible to participate
in the Plan. Proposal Two for consideration at this year's annual meeting
provides for the addition of a sixth seat on the Board which will also be
eligible if, as proposed, it is occupied by a non-employee director.
 
  Terms of Options
 
     Options granted under the 1995 DSOP have a term of ten years. Each option
is evidenced by a stock option agreement between the Company and the director to
whom such option is granted and is subject to the following additional terms and
conditions.
 
     (a) Exercise of the Option. A non-employee director's initial option grants
become exercisable cumulatively at the rate of 25% of the shares subject to the
option on each of the first four anniversaries of the date of grant. Under the
proposed amendments to the 1995 DSOP, subsequent option grants become
exercisable in full six months after the date of grant. An option is exercised
by giving written notice of exercise to the Company specifying the number of
full shares of common stock to be purchased and tendering payment to the Company
of the purchase price. Payment for shares issued upon exercise of an option may
consist of any of the following, or any combination of them: (i) cash, (ii)
check, (iii) other shares (which, in the case of shares acquired upon exercise
of an option shall have been owned by the optionee for more than six months on
the date of surrender), (v) delivery of a properly executed exercise notice
which shall require delivery of the sale or loan proceeds required to pay the
exercise price, (vi) any other consideration or method of payment permitted by
law, or (vii) any combination of the foregoing methods of payment. As amended,
the DSOP would also allow for payment of consideration for shares by delivery of
an irrevocable written election to have the Company withhold shares having a
fair market value on the date of exercise equal to the aggregate exercise price
of the shares being exercised, including the amount required to be withheld, if
any, to satisfy federal, state, and local withholding tax requirements.
 
     (b) Option Price. The Board of Directors determines such fair market value
based upon the closing price of the common stock on the New York Stock Exchange
on the date of grant. If the date of grant is not a trading day, the price shall
be determined as of the next trading day immediately following the date of
grant.
 
     (c) Termination of Status as a Director. The 1995 DSOP provides that if
there is any break in continuous service of an optionee as a director (other
than as a result of death or total and permanent disability), the optionee may
exercise his or her options to the extent otherwise exercisable under the 1995
DSOP, but only within three months after he or she ceases to be a director.
Notwithstanding the foregoing, in no event may an option be exercised after its
ten-year term has expired.
 
     (d) Death. If an optionee should die while serving as a director of the
Company, the optionee's estate or a person who acquired the right to exercise
the option by bequest or inheritance may exercise his or her options to the
extent otherwise exercisable under the 1995 DSOP, but only within twelve months
following the date of the optionee's death. Notwithstanding the foregoing, in no
event may an option be exercised after its ten-year term has expired.
 
     (e) Disability. If an Optionee's continuous service as a director
terminates as a result of total and permanent disability, the optionee may
exercise his or her options to the extent otherwise exercisable under
                                       15
<PAGE>   18
 
the 1995 DSOP, but only within 12 months following the date he or she ceases to
be a director. Notwithstanding the foregoing, in no event may an option be
exercised after its ten-year term has expired.
 
     (f) Non-transferability of Options. An option may not be sold, pledged,
assigned, hypothecated, transferred or disposed of in any manner other than by
will or the laws of descent or distribution and may be exercised during the
lifetime of the optionee only by the optionee.
 
  Adjustment Upon Changes in Capitalization and Other Events
 
     Subject to any required action by the stockholders of the Company, the
number of shares covered by each outstanding option, the number of shares which
have been authorized for issuance under the 1995 DSOP but as to which no options
have yet been granted, as well as the price per share covered by each such
outstanding option, and the number of shares issuable on exercise of options
granted pursuant to the automatic grant provisions of the 1995 DSOP shall be
proportionately adjusted for any increase or decrease in the number of issued
shares resulting from a stock split, reverse stock split, stock dividend,
combination or reclassification of the common stock, or any other increase or
decrease in the number of issued shares effected without receipt of
consideration by the Company (excluding conversion of any convertible
securities). In the event of the proposed dissolution or liquidation of the
Company, to the extent that an option has not been previously exercised, it
shall terminate immediately prior to the consummation of such proposed action.
 
  Amendment and Termination
 
     The Board of Directors may at any time amend, alter, suspend or discontinue
the 1995 DSOP; provided, however, that the 1995 DSOP may not be amended more
than once every six months, other than to comport with changes in the Code, the
Employee Retirement Income Security Act of 1974, as amended, or the rules
thereunder. In addition, the Company shall obtain stockholder approval of any
amendment to the 1995 DSOP to the extent necessary and desirable to comply with
Rule 16b-3 under the Securities Exchange Act of 1934. No action by the Board of
Directors or stockholders, however, may alter or impair any option previously
granted under the 1995 DSOP without the consent of the optionee. In any event,
the 1995 DSOP will terminate in 2005.
 
  Certain United States Federal Income Tax Information
 
     The following is only a summary of the effect of federal income taxation
upon the optionee and the Company with respect to the grant and exercise of
options under the 1995 DSOP, does not purport to be complete, and does not
discuss the income tax laws of any municipality, state or foreign country in
which an optionee may reside.
 
     Options granted under the 1995 DSOP are nonstatutory options. An optionee
will not recognize any taxable income at the time he or she is granted an NSO.
However, upon the exercise of an NSO, the optionee will recognize ordinary
income measured by the excess of the then fair market value of the shares over
the option price. In certain circumstances, where the shares are subject to a
substantial risk of forfeiture when acquired or where the optionee is subject to
Section 16 of the Exchange Act, the date of taxation may be deferred unless the
optionee files an election with the Internal Revenue Service under the Section
83(b) of the Code. Upon resale of such shares by the optionee, any difference
between the sales price and the exercise price, to the extent not recognized as
ordinary income as provided above, will be treated as capital gain (or loss).
The Company will be entitled to a tax deduction in the same amount as the
ordinary income recognized by the optionee with respect to shares acquired upon
exercise of an NSO.
 
          THE BOARD OF DIRECTORS RECOMMENDS A VOTE FOR APPROVAL OF THE
      AMENDMENTS TO THE 1995 DIRECTOR STOCK OPTION PLAN. THE EFFECT OF AN
     ABSTENTION IS THE SAME AS THAT OF A VOTE AGAINST APPROVAL OF AMENDMENT
                           OF THE 1995 DIRECTOR PLAN.
 
                                       16
<PAGE>   19
 
                                 PROPOSAL FIVE
 
             RATIFICATION OF APPOINTMENT OF INDEPENDENT ACCOUNTANTS
 
     The Board has selected PricewaterhouseCoopers LLP, independent accountants,
to audit the consolidated financial statements of the Company for its 1999
fiscal year and recommends that the stockholders vote for ratification of such
appointment. If there is a negative vote on such ratification, the Board will
reconsider its selection. PricewaterhouseCoopers LLP has audited the Company's
consolidated financial statements since the fiscal year ended December 31, 1981.
Representatives of PricewaterhouseCoopers LLP are expected to be present at the
annual meeting with the opportunity to make a statement if they desire to do so,
and are expected to be available to respond to appropriate questions.
 
      THE BOARD OF DIRECTORS RECOMMENDS A VOTE FOR THE RATIFICATION OF THE
                APPOINTMENT OF PRICEWATERHOUSECOOPERS LLP AS THE
               INDEPENDENT ACCOUNTANTS FOR THE 1999 FISCAL YEAR.
 
                             EXECUTIVE COMPENSATION
 
     The following table shows, as to (i) the Chief Executive Officer, and (ii)
each of the four other most highly compensated executive officers whose salary
plus bonus exceeded $100,000 in 1998 (the "Named Executive Officers"),
information concerning all reportable compensation awarded to, earned by or paid
to each for services to the Company in all capacities during the fiscal year
ended December 31, 1998, as well as such compensation for each such individual
for the Company's previous two fiscal years (if such person was an executive
officer during any part of such previous fiscal year).
 
                           SUMMARY COMPENSATION TABLE
 
<TABLE>
<CAPTION>
                                                                                LONG TERM COMPENSATION
                                                                               -------------------------
                                      ANNUAL COMPENSATION       OTHER ANNUAL                 ALL OTHER
                                  ---------------------------   COMPENSATION    OPTIONS/    COMPENSATION
  NAME AND PRINCIPAL POSITION     YEAR   SALARY($)   BONUS($)      ($)(1)      SARS(#)(2)      ($)(3)
  ---------------------------     ----   ---------   --------   ------------   ----------   ------------
<S>                               <C>    <C>         <C>        <C>            <C>          <C>
Wilfred J. Corrigan.............  1998   $744,238    $375,000     $ 9,600       500,000       $  9,450
  Chairman and Chief Executive    1997   $704,231    $375,000     $ 8,800       300,000       $ 19,911
  Officer                         1996   $685,577    $      0     $10,400             0       $ 13,807
John P. Daane(4)................  1998   $329,238    $150,000     $ 8,400       200,000       $    727
  Executive Vice President,       1997   $230,000    $200,000     $ 7,033       100,000       $  4,884
  Communications, Computer and
  ASIC Products
W. Richard Marz.................  1998   $350,967    $ 85,000     $ 9,710        35,000       $  5,815
  Executive Vice President,       1997   $337,308    $100,000     $ 7,700        20,000       $ 10,567
  Geographic Markets              1996   $332,077    $ 30,000     $ 9,100       175,000       $  7,562
R. Douglas Norby................  1998   $334,623    $110,000     $12,300        75,000       $  9,450
  Executive Vice President and    1997   $314,615    $150,000     $11,600        30,000       $187,530
  Chief Financial Officer         1996   $ 45,000    $      0     $ 2,100       307,500       $ 25,318
Joseph M. Zelayeta(5)...........  1998   $360,968    $130,000     $ 8,400        35,000       $  3,722
  Executive Vice President,       1997   $304,423    $170,000     $ 6,900        70,000       $ 19,785
  Worldwide Operations
</TABLE>
 
- ---------------
(1) Includes amounts paid for car allowance and, in the case of Messrs. Marz and
    Norby, tax preparation.
 
(2) The Company has not granted any stock appreciation rights.
 
(3) "All Other Compensation" is itemized as follows:
 
     - In 1998, Mr. Corrigan received $9,450 for group life insurance. In 1997,
       Mr. Corrigan received $13,611 for profit sharing and $6,300 for group
       term life insurance. In 1996, Mr. Corrigan received $7,265 for profit
       sharing and $6,542 for group term life insurance.
 
     - In 1998, Mr. Daane received $727 for group life insurance. In 1997, Mr.
       Daane received $4,128 for profit sharing and $756 for group term life
       insurance.
                                       17
<PAGE>   20
 
     - In 1998, Mr. Marz received $5,815 for group life insurance. In 1997, Mr.
       Marz received $6,535 for profit sharing and $4,032 for group life
       insurance. In 1996, Mr. Marz received $3,375 for profit sharing and
       $4,187 for group term life insurance.
 
     - In 1998, Mr. Norby received $9,450 for group life insurance. In 1997, Mr.
       Norby received $6,077 for profit sharing, $9,828 for group term life
       insurance and $171,625 for relocation compensation. In 1996, before
       becoming Chief Financial Officer and while serving as a non-employee
       director, Mr. Norby received $23,750 for directors' fees.
 
     - In 1998, Mr. Zelayeta received $3,722 for group life insurance. In 1997,
       Mr. Zelayeta received $5,619 for profit sharing, $4,032 for group term
       life insurance and $10,134 for relocation.
 
(4) Mr. Daane was named an executive officer of the Company in October 1997.
 
(5) Mr. Zelayeta was named an executive officer of the Company in September
    1997.
 
STOCK OPTION GRANTS AND EXERCISES
 
     The following tables set forth information with respect to the stock
options granted to the Named Executive Officers under the Company's stock option
plans and the options exercised by such Named Executive Officers during the
fiscal year ended December 31, 1998 and the options held by the Named Executive
Officers at December 31, 1998.
 
     The Option Grants Table sets forth hypothetical gains or "option spreads"
for the options at the end of their respective ten-year terms, as calculated in
accordance with the rules of the Securities and Exchange Commission. Each gain
is based on an arbitrarily assumed annualized rate of compound appreciation of
the market price of five percent and ten percent from the date the option was
granted to the end of the option term and does not represent the Company's
projection of future stock price performance. Actual gains, if any, on option
exercises are dependent on the future performance of the Company's common stock
and overall market conditions.
 
                    OPTION/SAR(1) GRANTS IN LAST FISCAL YEAR
 
<TABLE>
<CAPTION>
                               INDIVIDUAL GRANTS
                         -----------------------------
                           NUMBER OF                                                POTENTIAL REALIZABLE VALUE
                           SECURITIES      PERCENT OF                               AT ASSUMED ANNUAL RATES OF
                           UNDERLYING        TOTAL                                   STOCK PRICE APPRECIATION
                            OPTIONS       OPTIONS/SARS   EXERCISE OR                     FOR OPTION TERM
                           GRANTED IN      GRANTED TO    BASE PRICE    EXPIRATION   --------------------------
         NAME            FISCAL YEAR(2)    EMPLOYEES      ($/SHARE)       DATE          5%            10%
         ----            --------------   ------------   -----------   ----------   -----------   ------------
<S>                      <C>              <C>            <C>           <C>          <C>           <C>
Wilfred J. Corrigan....     500,000           7.48         $17.06      11/20/2008   $5,365,257    $13,596,615
John P. Daane..........      50,000           0.75         $26.00       2/11/2008   $  817,563    $ 2,071,865
                            150,000           2.24         $18.94       8/14/2008   $1,786,454    $ 4,527,225
W. Richard Marz........      35,000           0.52         $18.94       8/14/2008   $  416,839    $ 1,056,352
R. Douglas Norby.......      75,000           1.12         $18.94       8/14/2008   $  893,227    $ 2,263,612
Joseph M. Zelayeta.....      35,000           0.52         $18.94       8/14/2008   $  416,839    $ 1,056,352
</TABLE>
 
- ---------------
(1) The Company has not granted any stock appreciation rights.
 
(2) All options shown in the table were granted under the 1991 Equity Incentive
    Plan. The material terms of the options are: (a) The exercise price of the
    options is the fair market value of the common stock as of the date of
    grant; (b) The options vest cumulatively in equal 25% increments on each of
    the first four anniversaries of the date of grant; (c) To the extent
    unexercised, the options lapse after ten years; (d) The options are
    non-transferable and are only exercisable during the period of employment of
    the optionee (or within three months following termination of employment),
    subject to limited exceptions in the cases of certain terminations, death or
    permanent disability of the optionee.
 
                                       18
<PAGE>   21
 
               AGGREGATED OPTION(1) EXERCISES IN LAST FISCAL YEAR
                               AND YEAR-END VALUE
 
<TABLE>
<CAPTION>
                                                                  NUMBER OF                    VALUE(1) OF
                                                            SECURITIES UNDERLYING       UNEXERCISED IN-THE-MONEY
                                                          UNEXERCISED OPTIONS HELD           OPTIONS HELD AT
                               SHARES                        AT FISCAL YEAR END              FISCAL YEAR END
                             ACQUIRED ON      VALUE      ---------------------------   ---------------------------
           NAME              EXERCISE(#)   REALIZED($)   EXERCISABLE   UNEXERCISABLE   EXERCISABLE   UNEXERCISABLE
           ----              -----------   -----------   -----------   -------------   -----------   -------------
<S>                          <C>           <C>           <C>           <C>             <C>           <C>
Wilfred J. Corrigan........       -0-       $    -0-      1,250,000      1,075,000     $1,328,125        $-0-
John P. Daane..............       -0-       $    -0-        127,000        345,000     $   31,750        $-0-
W. Richard Marz............       -0-       $    -0-        186,250        168,750     $      -0-        $-0-
R. Douglas Norby...........    30,000       $520,688        178,750        253,750     $      -0-        $-0-
Joseph M. Zelayeta.........       -0-       $    -0-        211,500        137,500     $1,353,500        $-0-
</TABLE>
 
- ---------------
(1) Value of unexercised options is based on the difference between the fair
    market value of Company's common stock of $16.125 per share as of December
    31, 1998 (the last day of the last completed fiscal year) and the exercise
    price of the unexercised in-the-money options.
 
OTHER TRANSACTIONS
 
     In 1998, the Company loaned $400,000 to Elias J. Antoun, an executive
officer, to assist in the purchase of his home. The loan bears interest at an
annual rate of six percent. On February 12, 1999, the last practicable date
before filing, the outstanding balance on the loan was $400,000, plus accrued
interest in the amount of $18,871.
 
            COMPENSATION COMMITTEE REPORT ON EXECUTIVE COMPENSATION
 
                            OVERVIEW AND PHILOSOPHY
 
     The Compensation Committee (the "Committee") of the Board of Directors
establishes the overall executive compensation strategies of the Company and
approves compensation elements of the Chief Executive Officer and other
executive officers. The Committee periodically reviews its approach to executive
compensation.
 
     The Committee is comprised of all of the outside, non-employee members of
the Board of Directors (three), none of whom has interlocking relationships as
defined by the Securities and Exchange Commission. The Committee has available
to us such external compensation advice and data as the Committee deems
necessary and appropriate to obtain.
 
     The compensation philosophy of the Committee is to provide a comprehensive
compensation package for each executive officer that is well suited to support
accomplishment of our business strategies, objectives and initiatives. For
incentive-based compensation, the Committee considers the desirability of
structuring such compensation arrangements so as to qualify for deductibility by
us under Section 162(m) of the Internal Revenue Code. As the Committee applies
this compensation philosophy in determining appropriate executive compensation
levels and other compensation factors, the Committee reaches its decision with a
view towards our overall financial performance.
 
                         EXECUTIVE OFFICER COMPENSATION
 
     The Committee's approach is based upon a belief that a substantial portion
of aggregate annual compensation for executive officers should be contingent
upon our performance and an individual's contribution to our success. In
addition, the Committee strives to align the interest of our executive officers
with the long-term interests of stockholders through stock option grants that
can result in ownership of our common stock. The Committee endeavors to
structure each executive officer's overall compensation package to be consistent
with this approach and to enable us to attract, retain and reward individuals
who contribute to our success.
 
                                       19
<PAGE>   22
 
     Our compensation program for executive officers is based on the following
guidelines:
 
     - Establishment of salary levels and participation in generally available
       employee benefit programs based on competitive compensation package
       practices.
 
     - Utilization of a performance-based, cash incentive plan.
 
     - Inclusion of equity opportunities that create long-term incentives based
       upon increases in stockholder return.
 
     We had a cash incentive plan during 1998 that provided for bonus awards to
be made to the executive officers (other than the CEO) and other members of
senior management, subject to an aggregate budget for all awards under the plan.
The plan established a minimum level of operating income to be achieved by the
Company for the year (1998) before any awards would be made. The plan also
allowed upward adjustments in awards to be made if the minimum operating income
target was exceeded. In addition, the plan provides for the CEO to determine
individual bonus award amounts pursuant to his judgment of each participant's
relative personal contributions to our performance, subject to the approval of
the Committee of awards to executive officers. Our operating income for 1998
exceeded the threshold target established under the plan for payments under the
plan. Accordingly, awards were made to individual executive officers consistent
with the plan's provisions regarding the Company's performance and the personal
contributions of each executive officer. The total of all payments under the
plan were within the budget approved previously by the Committee.
 
     During 1998, the Committee approved a budget for increases in base salary
levels of executive officers, which reflected the compensation guidelines
described previously in this report. Increases in base salary amounts for
individual executive officers were then made pursuant to the CEO's judgment and
discretion in satisfying our compensation philosophy set forth above. The
aggregate of such adjustments was within the budget that had been approved by
the Committee. The general level of compensation of our executive officers is in
the median of ranges of compensation information sources against which we make
competitive comparisons.
 
     We maintain a set of guidelines for use in making recommendations to the
Committee on individual grants to executive officers of options to purchase
common stock of the Company. Stock option grants were made to the executive
officers by reference to the guidelines. These guidelines are developed by
reference to external published surveys and other information that are believed
to fairly reflect the competitive environment in which we operate and which are
consistent with the compensation principles set forth above.
 
                      CHIEF EXECUTIVE OFFICER COMPENSATION
 
     Mr. Corrigan has been CEO of the Company since its founding in 1981. His
base salary prior to the beginning of fiscal 1998 was $715,000. During 1998, the
Committee considered information regarding competitive compensation practices
and levels for chief executive officers, the above-described compensation
approach to executive officers and an assessment by this Committee of Mr.
Corrigan's contribution to the Company's performance. Based on such factors, the
Committee increased Mr. Corrigan's base salary to $755,000. The base salary
established by the Committee falls in the median of the range of such
information used for competitive comparisons.
 
     The Committee awarded Mr. Corrigan a cash bonus in the amount of $375,000,
in respect to the Company's performance during 1998, and Mr. Corrigan's
contributions as CEO. The Committee based its evaluation of Mr. Corrigan's
performance for purposes of determining the amount of this award pursuant to the
operating income objectives that were established in accordance with the terms
of the performance-based bonus compensation plan for the CEO.
 
     Mr. Corrigan was granted options to purchase 500,000 shares of the
Company's common stock during 1998. The Committee determined this portion of Mr.
Corrigan's total compensation after consideration of the compensation principles
set forth above. Also, the Committee considered external published survey data
and other information sources that it believes fairly reflect competitive equity
incentive practices for chief
 
                                       20
<PAGE>   23
 
executive officers of publicly traded companies against which the Company's
practices for the CEO should be compared.
 
     The Committee believes Mr. Corrigan has managed the Company well, and has
achieved distinguished results, including in terms of revenue, gross margin,
operating income, net income growth and successful execution of strategic
transactions.
 
                                      MEMBERS OF THE COMPENSATION COMMITTEE
                                      James H. Keyes
                                      T.Z. Chu
                                      Malcolm R. Currie
 
February 19, 1999
 
          COMPENSATION COMMITTEE INTERLOCKS AND INSIDER PARTICIPATION
 
     The members of the Compensation Committee are set forth in the preceding
section as well as in Proposal One. There are no members of the Compensation
Committee who were officers or employees of the Company or any of its
subsidiaries during the fiscal year, formerly officers of the Company, or had
any relationship otherwise requiring disclosure hereunder.
 
                                       21
<PAGE>   24
 
                COMPARISON OF FIVE-YEAR CUMULATIVE TOTAL RETURN
                  AMONG LSI LOGIC CORPORATION*, S&P 500 INDEX
                     AND HAMBRECHT & QUIST TECHNOLOGY INDEX
 
                               PERFORMANCE GRAPH
 
     The stock price performance shown on the graph following is not necessarily
indicative of future price performance.
 
<TABLE>
<CAPTION>
                                                                              STANDARD & POOR'S 500
                                                  LSI LOGIC CORPORATION               INDEX                 HAMBRECHT & QUIST
                                                  ---------------------       ---------------------         -----------------
<S>                                             <C>                         <C>                         <C>
'1993'                                                   100.00                      100.00                      100.00
'1994'                                                   254.33                      101.32                      120.12
'1995'                                                   412.60                      139.40                      179.61
'1996'                                                   337.01                      171.40                      223.23
'1997'                                                   247.24                      228.59                      261.72
'1998'                                                   203.15                      293.91                      407.08
</TABLE>
 
* During 1997, the Company changed its fiscal year to a straight calendar year
  from a 52/53 week fiscal year which ended on the Sunday closest to December
  31. Prior to the change, the Company's last trading day of its fiscal year may
  have varied. For consistent presentation and comparison to the industry
  indices shown herein, the Company has calculated its stock performance graph
  assuming a December 31 year end.
 
                                       22
<PAGE>   25
 
            SECTION 16(A) BENEFICIAL OWNERSHIP REPORTING COMPLIANCE
 
     Section 16(a) of the Securities Exchange Act of 1934 requires our executive
officers, directors, and persons who own more than ten percent of a registered
class of our equity securities to file reports of security ownership and changes
in such ownership with the Securities and Exchange Commission (the "SEC") and
the New York Stock Exchange. Executive officers, directors and greater than ten
percent stockholders are required by SEC regulations to furnish us with copies
of all Section 16(a) forms they file.
 
     Based solely on our review of the copies of such forms received by us and
written representations received from those reporting persons recognized by us
as being subject to filing requirements, we believe that with the exception of
one report on Form 5, all required Section 16(a) reports were timely filed
during 1998. A report on Form 5 was not timely filed in connection with Mr.
Corrigan's transfer in 1994 of beneficial 50,000 shares of the Company's stock
to the Corrigan Walla Foundation, a Charitable Trust. The Form 5 was filed with
the SEC on February 11, 1999. An amended Form 3 has been filed on behalf of Mr.
Daane to include 3,954 shares of stock owned by Mr. Daane at the time he was
named an executive officer but not reported.
 
                                 OTHER MATTERS
 
     The Company knows of no other matters to be submitted to the meeting. If
any other matters properly come before the meeting, it is the intention of the
persons named in the enclosed form of Proxy to vote the shares they represent as
the Board of Directors may recommend.
 
                                          THE BOARD OF DIRECTORS
 
March 24, 1999
 
                                       23
<PAGE>   26
 
                                                                      EXHIBIT 1.
 
                             LSI LOGIC CORPORATION
 
                          EMPLOYEE STOCK PURCHASE PLAN
                              AMENDED AND RESTATED
 
     The following constitutes the provisions of the Employee Stock Purchase
Plan (the "Plan") of LSI Logic Corporation amended and restated effective March
31, 1999.
 
     1. PURPOSE. The purpose of the Plan is to provide employees of the Company
and its Designated Subsidiaries with an opportunity to purchase Common Stock of
the Company through accumulated payroll deductions. It is the intention of the
Company that the Plan qualify as an "Employee Stock Purchase Plan" under Section
423 of the Internal Revenue Code of 1986, as amended. The provisions of the Plan
shall, accordingly, be construed so as to extend and limit participation in a
manner consistent with the requirements of that section of the Code.
 
     2. DEFINITIONS.
 
     (a) "Board" means the Board of Directors of the Company, or to the extent
authorized by the Board, a Committee of the Board.
 
     (b) "Code" means the Internal Revenue Code of 1986, as amended.
 
     (c) "Common Stock" means the common stock of the Company.
 
     (d) "Company" means LSI Logic Corporation and any Designated Subsidiary of
the Company.
 
     (e) "Compensation" means all regular straight time earnings, exclusive of
payments for overtime, shift premium, incentive compensation, incentive
payments, bonuses, commissions and other compensation.
 
     (f) "Designated Subsidiary" means any Subsidiary which has been designated
by the Board from time to time in its sole discretion as eligible to participate
in the Plan.
 
     (g) "Employee" means any individual who is an Employee of the Company for
tax purposes whose customary employment with the Company is at least 20 hours
per week and more than five months in a calendar year. For purposes of the Plan,
the employment relationship will be treated as continuing intact while the
individual is on sick leave or other leave of absence approved in writing by the
Company. Where the period of leave exceeds 90 days and the individual's right to
reemployment is not guaranteed either by statute or by contract, the employment
relationship shall be deemed to have terminated on the 91st day of such leave.
It shall not include any independent contractors providing services to the
Company or its Subsidiaries, regardless of the length of such service.
 
     (h) "Enrollment Date" means the first Trading Day of each Offering Period.
 
     (i) "Exercise Date" means the last Trading Day of each Purchase Period.
 
     (j) "Fair Market Value" means, as of any date, the value of the Common
         Stock determined as follows:
 
          (1) If the Common Stock is listed on any established stock exchange or
     a national market system, its Fair Market Value shall be the closing sales
     price for such stock (or the closing bid, if no sales were reported) as
     quoted on such exchange or system for the last market trading day on the
     date of such determination, as reported in The Wall Street Journal or such
     other source as the Board deems reliable;
 
          (2) If the Common Stock is regularly quoted by a recognized securities
     dealer but selling prices are not reported, its Fair Market Value shall be
     the mean of the closing bid and asked prices for the Common Stock on the
     date of such determination, as reported in The Wall Street Journal or such
     other source as the Board deems reliable; or
 
          (3) In the absence of an established market for the Common Stock, the
     Fair Market Value shall be determined in good faith by the Board.
 
                                       -1-
<PAGE>   27
 
     (k) "Offering Periods" means a period of approximately 12 months during
which an option granted pursuant to the Plan may be exercised as further
described in Section 4, except that the Offering Period that began October 1,
1998 will end on September 29, 2000. The duration and timing of Offering Periods
may be changed pursuant to Sections 4 and 20 of this Plan.
 
     (l) "Plan" means this Amended and Restated Employee Stock Purchase Plan.
 
     (m) "Purchase Period" means the approximately six-month period commencing
after one Exercise Date and ending with the next Exercise Date, except that the
first Purchase Period of any Offering Period will commence on the Enrollment
Date and end with the next Exercise Date.
 
     (n) "Purchase Price" means 85% of the Fair Market Value of a share of
Common Stock on the Enrollment Date or on the Exercise Date, whichever is lower;
provided, however, that with respect to the Offering Periods commencing on or
after January 1, 1999, unless otherwise directed by the Board, if the Fair
Market Value of a share of Common Stock on the date on which additional shares
of Common Stock (the "New Shares") are authorized for issuance hereunder by the
Company's stockholders (the "Authorization Date") is higher than the Fair Market
Value of a share of Common Stock on the Enrollment Date of any outstanding
Offering Period that commenced prior to the Authorization Date, the Purchase
Price for only New Shares to be issued on any remaining Exercise Date of any
Offering Period in effect on the Authorization Date shall be 85% of the Fair
Market Value of a share of Common Stock on the Authorization Date or on the
Exercise Date, whichever is lower. The Purchase Price may be adjusted by the
Board pursuant to Section 20.
 
     (o) "Reserves" means the number of shares of Common Stock covered by each
option under the Plan which have not yet been exercised and the number of shares
of Common Stock that have been authorized for issuance under the Plan but not
yet placed under option.
 
     (p) "Subsidiary" means any corporation, domestic or foreign, of which not
less than 50% of the voting shares are held by the Company or a Subsidiary,
whether or not such corporation now exists or is hereafter organized or acquired
by the Company or a Subsidiary.
 
     (q) "Trading Day" means a day on which national stock exchanges and the
Nasdaq System are open for trading.
 
     3. ELIGIBILITY.
 
     (a) Any Employee who is employed by the Company on a given Enrollment Date
shall be eligible to participate in the Plan, subject to the requirements of
Section 5(a) and the limitations imposed by Section 423(b) of the Code.
 
     (b) Any provisions of the Plan to the contrary notwithstanding, no Employee
shall be granted an option under the Plan (i) to the extent that, immediately
after the grant, such Employee (or any other person whose stock ownership would
be attributed to such Employee pursuant to Section 424(d) of the Code) would own
capital stock and/or hold outstanding options to purchase shares possessing five
percent or more of the total combined voting power or value of all classes of
the capital stock of the Company or of any Subsidiary, or (ii) to the extent
that his or her rights to purchase stock under all employee stock purchase plans
(described in Section 423 of the Code) of the Company and its Subsidiaries
accrue (i.e., become exercisable) at a rate which exceeds $25,000 worth of stock
(determined at the fair market value of the shares at the time such option is
granted) for each calendar year in which such option is outstanding at any time.
 
     4. OFFERING PERIODS. The Plan shall be implemented by consecutive,
overlapping Offering Periods with a new Offering Period commencing on the first
Trading Day on or after May 15 and November 15 each year, or on such other date
as the Board shall determine, and continuing thereafter until terminated in
accordance with Section 20 hereof, except as set forth in this Section 4. The
first Offering Period of the Plan as amended and restated shall commence with
the first Trading Day on or after May 15, 1999 and
 
                                       -2-
<PAGE>   28
 
end on the last Trading Day on or before May 14, 2000. The Offering Period which
began on October 1, 1998 will end on September 29, 2000. The Board shall have
the power to change the duration of Offering Periods (including the commencement
dates thereof) with respect to future offerings without stockholder approval, if
such change is announced prior to the scheduled beginning of the first Offering
Period to be affected thereafter.
 
     5. PARTICIPATION.
 
     (a) An eligible Employee may become a participant in the Plan by completing
a subscription agreement authorizing payroll deductions in the form provided by
the Company and filing it with the Company payroll office prior to the
applicable Enrollment Date, unless a later time for filing the subscription
agreement is set for all eligible Employees with respect to such Offering
Period.
 
     (b) Payroll deductions for a participant shall commence with the first
payroll following the Enrollment Date and shall end on the last payroll in the
Offering Period to which such authorization is applicable, unless sooner
terminated by the participant as provided in Section 10.
 
     6. PAYROLL DEDUCTIONS.
 
     (a) At the time a participant files his or her subscription agreement, he
or she shall elect to have payroll deductions made on each payday during all
subsequent Offering Periods in an amount not exceeding 10%, or such other rate
as may be determined from time to time by the Board, expressed as a whole
percent, of the Compensation which he or she receives on such payday during said
Offering Period and the aggregate of such deduction during the Offering Period
shall not exceed 10% of the aggregate Compensation during such Offering Period.
 
     (b) All payroll deductions authorized by a participant shall be credited to
his or her account under the Plan and shall be withheld in whole percentages
only. A participant may not make any additional payments into such account.
 
     (c) A participant may discontinue his or her participation in the Plan as
provided in Section 10, or may decrease the rate of his or her payroll
deductions (but not below 1%) effective immediately or may increase (but not
above 10%) the rate of his payroll deductions effective as of the first date of
the next Purchase Period within such Offering Period by completing and filing
with the Company a new subscription agreement authorizing a change in payroll
deduction. The Board may, in its discretion, limit the number of participation
rate changes during any Offering Period. The change in rate shall be effective
as soon as administratively feasible following the Company's receipt of the new
authorization. A participant's subscription agreement shall remain in effect for
successive Offering Periods unless terminated as provided in Section 10.
 
     (d) Notwithstanding the foregoing, to the extent necessary to comply with
Section 423(b)(8) of the Code and Section 3(b) of the Plan, a participant's
payroll deductions may be automatically decreased to zero percent at any time
during a Purchase Period. Payroll deductions shall recommence at the rate
provided in such participant's subscription agreement at the beginning of the
first Purchase Period which is scheduled to end in the following calendar year,
unless terminated by the participant as provided in Section 10.
 
     (e) At the time the option is exercised, in whole or in part, or at the
time some or all of the Company's Common Stock issued under the Plan is disposed
of, the participant must make adequate provision for the Company's federal,
state or other tax withholding obligations, if any, which arise on the exercise
of the option or the disposition of the Common Stock. At any time the Company
may, but shall not be obligated to, withhold from the participant's compensation
the amount necessary for the Company to meet applicable withholding obligations,
including any withholding required to make available to the Company any tax
deductions or benefits attributable to sale or early disposition of Common Stock
by the Employee.
 
     7. GRANT OF OPTION. On each Enrollment Date of each Offering Period, each
eligible Employee participating in such Offering Period shall be granted an
option to purchase on each Exercise Date during such Offering Period (at the
applicable Purchase Price) up to a number of full shares of the Company's Common
Stock determined by dividing such Employee's payroll deductions accumulated
prior to such Exercise Date
                                       -3-
<PAGE>   29
 
and retained in the Employee's account as of the Exercise Date by the applicable
Purchase Price; provided that in no event shall an Employee be permitted to
purchase a number of shares which exceeds 200% of the number of shares
determined by dividing 10% of the Employee's Compensation over the Offering
Period (determined as of the Enrollment Date) by 85% of the fair market value of
a share of the Company's Common Stock on the Enrollment Date (subject to any
adjustment pursuant to Section 19) during each Offering Period, and provided
further that such purchase shall be subject to the limitations set forth in
Sections 3(b) and 13. The Board may, for future Offering Periods, increase or
decrease, in its absolute discretion, the maximum number of shares of the
Company's Common Stock an Employee may purchase during each Purchase Period of
such Offering Period. Exercise of the option shall occur as provided in Section
8, unless the participant has withdrawn pursuant to Section 10. The option shall
expire on the last day of the Offering Period.
 
     8. EXERCISE OF OPTION.
 
     (a) Unless a participant withdraws from the Offering Period as provided in
Section 10, his or her option for the purchase of shares will be exercised
automatically on the Exercise Date, and the maximum number of full shares
subject to option will be purchased at the applicable Purchase Price with the
accumulated payroll deductions in his or her account. No fractional shares will
be purchased. Any payroll deductions accumulated in a participant's account that
are not sufficient to purchase a full share will be retained in the
participant's account for the subsequent Purchase Period or Offering Period,
subject to earlier withdrawal by the participant as provided in Section 10 or
unless the Offering Period has been over-subscribed, in which event such amount
shall be refunded to the participant. During his or her lifetime, a
participant's option to purchase shares hereunder is exercisable only by the
participant.
 
     (b) If the Board determines that, on a given Exercise Date, the number of
shares with respect to which options are to be exercised may exceed (i) the
number of shares of Common Stock that were available for sale under the Plan on
the Enrollment Date of the applicable Offering Period, or (ii) the number of
shares available for sale under the Plan on such Exercise Date, the Board may in
its sole discretion provide that the Company shall make a pro rata allocation of
the shares of Common Stock available for purchase on such Enrollment Date or
Exercise Date, as applicable, in as uniform a manner as shall be practicable and
as it shall determine in its sole discretion to be equitable among all
participants exercising options to purchase Common Stock on such Exercise Date,
and (x) continue all Offering Periods then in effect, or (y) terminate any or
all Offering Periods then in effect pursuant to Section 20. The Company may make
pro rata allocation of the shares available on the Enrollment Date of any
applicable Offering Period pursuant to the preceding sentence, notwithstanding
any authorization of additional shares for issuance under the Plan by the
Company's stockholders subsequent to such Enrollment Date.
 
     9. DELIVERY. As promptly as practicable after each Exercise Date on which a
purchase of shares occurs, the Company shall arrange for the shares purchased
upon exercise of his or her option to be electronically credited to the
participant's brokerage account at the securities brokerage firms designated by
the Company for its direct deposit program from time to time.
 
     10. WITHDRAWAL; TERMINATION OF EMPLOYMENT.
 
     (a) A participant may withdraw all, but not less than all, the payroll
deductions credited to his or her account and not yet used to exercise his or
her option under the Plan at any time by giving written notice to the Company on
a form provided for such purpose. All of the participant's payroll deductions
credited to his or her account will be paid to the participant as soon as
practicable after receipt of the notice of withdrawal, his or her option for the
current Offering Period will be automatically canceled, and no further payroll
deductions for the purchase of shares will be made during such Offering Period.
If a participant withdraws from an Offering Period, payroll deductions shall not
resume at the beginning of the succeeding Offering Period unless the participant
delivers to the Company a new subscription agreement.
 
     (b) A participant's withdrawal from an Offering Period will not have any
effect upon his or her eligibility to participate in a succeeding Offering
Period which begins after the end of the Offering Period from which the
participant withdraws or in any similar plan which may hereafter be adopted by
the Company.
                                       -4-
<PAGE>   30
 
     11. TERMINATION OF EMPLOYMENT. Upon a participant's ceasing to be an
Employee for any reason, including retirement or death, he or she will be deemed
to have elected to withdraw from the Plan and the payroll deductions accumulated
in his or her account during the Offering Period but not yet used to exercise
the option will be returned to him or her as soon as practicable after such
termination or, in the case of death, to the person or persons entitled thereto
under Section 15, and his or her option will be automatically terminated. The
preceding sentence notwithstanding, a participant who receives payment in lieu
of notice of termination of employment shall be treated as continuing to be an
Employee for the participant's customary number of hours per week of employment
during the period in which the participant is subject to such payment in lieu of
notice. In the case of death of the participant, the payroll deductions credited
to the participant's account will be paid to the person or persons entitled
thereto under paragraph 15, and such participant's option will be automatically
terminated, except that the beneficiary may elect to have funds remain in the
participant's account until the next Exercise Date in which case the shares
purchased with the funds in the participant's account at the time of death in
accordance with paragraph 8 will be forwarded to the beneficiary.
 
     12. INTEREST. No interest shall accrue on the payroll deductions of a
participant in the Plan.
 
     13. STOCK.
 
     (a) Subject to adjustment upon changes in capitalization of the Company as
provided in Section 19, the maximum number of shares of the Company's Common
Stock which shall be reserved for sale under the Plan shall be 17,849,473
shares, plus an annual increase to be added as of the first day of each fiscal
year by an amount equal to (x) 1.15% of the shares of the Company's Common Stock
issued and outstanding on the last day of the immediately preceding fiscal year
less (y) the number of shares available for future option grants under the Plan
on the last day of the immediately preceding fiscal year, or a lesser amount
determined by the Board, but not to exceed 3,000,000 shares (subject to any
adjustment pursuant to Section 19) in any fiscal year.
 
     (b) The participant will have no interest or voting rights in shares
covered by his or her option until such option has been exercised.
 
     (c) Shares to be delivered to a participant under the Plan shall be
registered in the name of the participant or in the name of the participant and
his or her spouse.
 
     14. ADMINISTRATION. The Plan shall be administered by the Board or a
committee of members of the Board appointed by the Board. The Board or its
committee shall have full and exclusive discretionary authority to construe,
interpret and apply the terms of the Plan, to determine eligibility and to
adjudicate all disputed claims filed under the Plan. Every finding, decision and
determination made by the Board or its committee shall, to the full extent
permitted by law, be final and binding upon all parties.
 
     15. DESIGNATION OF BENEFICIARY.
 
     (a) A participant may file a written designation of a beneficiary who is to
receive shares and/or cash, if any, from the participant's account under the
Plan in the event of such participant's death at a time when cash or shares are
held for his or her account. If the participant is married and the designated
beneficiary is not the spouse, spousal consent shall be required for such
designation to be effective.
 
     (b) Such designation of beneficiary may be changed by the participant at
any time by written notice. In the event of the death of a participant in the
absence of a valid designation of a beneficiary who is living at the time of
such participant's death, the Company shall deliver such shares and/or cash to
the executor or administrator of the estate of the participant; or if no such
executor or administrator has been appointed (to the knowledge of the Company),
the Company, in its discretion, may deliver such shares and/or cash to the
spouse or to any one or more dependents or relatives of the participant, or if
no spouse, dependent or relative is known to the Company, then to such other
person as the Company may reasonably designate.
 
     16. TRANSFERABILITY. Neither payroll deductions credited to a participant's
account nor any rights with regard to the exercise of an option or to receive
shares under the Plan may be assigned, transferred, pledged or otherwise
disposed of in any way (other than by will, the laws of descent and
distribution, or as provided in Section 15 hereof) by the participant. Any such
attempt at assignment, transfer, pledge or other
 
                                       -5-
<PAGE>   31
 
disposition shall be without effect, except that the Company may treat such act
as an election to withdraw funds in accordance with Section 10.
 
     17. USE OF FUNDS. All payroll deductions received or held by the Company
under the Plan may be used by the Company for any corporate purpose, and the
Company shall not be obligated to segregate such payroll deductions.
 
     18. REPORTS. Individual accounts will be maintained for each participant in
the Plan. Statements of account will be given to participating Employees at
least annually, and will set forth the amounts of payroll deductions, the
Purchase Price, the number of shares purchased and the remaining cash balance,
if any.
 
     19. ADJUSTMENTS UPON CHANGES IN CAPITALIZATION.
 
     (a) Changes in Capitalization. Subject to any required action by the
stockholders of the Company, the Reserves, the maximum number of shares each
participant may purchase each Purchase Period (under Section 7), as well as the
price per share and the number of shares of Common Stock covered by each option
under the Plan that has not yet been exercised, shall be proportionately
adjusted for any increase or decrease in the number of issued shares of Common
Stock resulting from a stock split, reverse stock split, stock dividend,
combination or reclassification of the Common Stock or any other increase or
decrease in the number of shares of Common Stock effected without receipt of
consideration by the Company; provided, however, that conversion of any
convertible securities of the Company shall not be deemed to have been "effected
without receipt of consideration." Such adjustment shall be made by the Board,
whose determination in that respect shall be final, binding and conclusive.
Except as expressly provided herein, no issuance by the Company of shares of
stock of any class, or securities convertible into shares of stock of any class,
shall affect, and no adjustment by reason thereof shall be made with respect to,
the number or price of shares of Common Stock subject to option.
 
     (b) Dissolution or Liquidation. In the event of the proposed dissolution or
liquidation of the Company, the Offering Period then in progress will be
shortened by setting a new Exercise Date (the "New Exercise Date"), and shall
terminate immediately prior to the consummation of such proposed dissolution or
liquidation, unless otherwise provided by the Board. The New Exercise Date shall
be before the date of the Company's proposed dissolution or liquidation. The
Company shall notify each participant in writing at least ten business days
prior to the New Exercise Date, that the Exercise Date for the participant's
option has been changed to the New Exercise Date and that the participant's
option shall be exercised automatically on the New Exercise Date, unless prior
to such date the participant has withdrawn from the Offering Period as provided
in Section 10.
 
     (c) Merger or Asset Sale. In the event of a proposed sale of all or
substantially all of the assets of the Company, or the merger of the Company
with or into another corporation, each option under the Plan shall be assumed or
an equivalent option shall be substituted by the successor corporation or a
parent or Subsidiary of the successor corporation. If the successor corporation
refuses to assume or substitute for the option, any Purchase Periods then in
progress shall be shortened by setting a new Exercise Date (the "New Exercise
Date") and any Offering Periods then in progress shall end on the New Exercise
Date. The New Exercise Date shall be before the date of the Company's proposed
sale or merger. The Company shall notify each participant in writing prior to
the New Exercise Date, that the Exercise Date for the participant's option has
been changed to the New Exercise Date and that the participant's option will be
exercised automatically on the New Exercise Date, unless prior to such date the
participant has withdrawn from the Offering Period as provided in Section 10.
 
     The Board may, if it so determines in the exercise of its sole discretion,
also make provision for adjusting the Reserves, as well as the price per share
of Common Stock covered by each outstanding option, in the event that the
Company effects one or more reorganizations, recapitalizations, rights offerings
or other increases or reductions of shares of its outstanding Common Stock, and
in the event of the Company being consolidated with or merged into any other
corporation.
 
                                       -6-
<PAGE>   32
 
     20. AMENDMENT OR TERMINATION.
 
     (a) The Board of Directors of the Company may at any time and for any
reason terminate or amend the Plan. Except as provided in Section 19, no such
termination will affect options previously granted, provided that an Offering
Period may be terminated by the Board on any Exercise Date if the Board
determines that the termination of the Offering Period or the Plan is in the
best interests of the Company and its stockholders. Except as provided in
Section 19 and this Section 20, no amendment may make any change in any option
theretofore granted which adversely affects the rights of any participant. To
the extent necessary to comply with Section 423 of the Code (or any successor
rule or provision or any other applicable law, regulation or stock exchange
rule), the Company shall obtain stockholder approval in such a manner and to
such a degree as required.
 
     (b) Without stockholder consent and without regard to whether any
participant rights may be considered to have been "adversely affected," the
Board (or its committee) shall be entitled to change the Offering Periods, limit
the frequency and/or number of changes in the amount withheld during an Offering
Period, establish the exchange ratio applicable to amounts withheld in a
currency other than U.S. dollars, permit payroll withholding in excess of the
amount designated by a participant in order to adjust for delays or mistakes in
the Company's processing of properly completed withholding elections, establish
reasonable waiting and adjustment periods and/or accounting and crediting
procedures to ensure that amounts applied toward the purchase of Common Stock
for each participant properly correspond with amounts withheld from the
participant's Compensation and establish such other limitations or procedures as
the Board determines in its sole discretion advisable which are consistent with
the Plan.
 
     (c) In the event the Board determines that the ongoing operation of the
Plan may result in unfavorable financial accounting consequences, the Board may,
in its discretion and, to the extent necessary or desirable, modify or amend the
Plan to reduce or eliminate such accounting consequence including, but not
limited to:
 
          (i) altering the Purchase Price for any Offering Period including an
     Offering Period underway at the time of the change in Purchase Price;
 
          (ii) shortening any Offering Period so that the Offering Period ends
     on a new Exercise Date, including an Offering Period underway at the time
     of the Board action; and
 
          (iii) allocating shares.
 
Such modifications or amendments shall not require stockholder approval or the
consent of any Plan participants.
 
     21. NOTICES. All notices or other communications by a participant to the
Company in connection with the Plan shall be deemed to have been duly given when
received in the form specified by the Company at the location, or by the person,
designated by the Company for the receipt thereof. Notices given by means of the
Company's intranet (Planet) or similar system will be deemed to be written
notices under the Plan.
 
     22. CONDITIONS UPON ISSUANCE OF SHARES. Shares shall not be issued with
respect to an option unless the exercise of such option and the issuance and
delivery of such shares pursuant thereto shall comply with all applicable
provisions of law, domestic or foreign, including, without limitation, the
Securities Act of 1933, as amended, the Securities Exchange Act of 1934, as
amended, the rules and regulations promulgated thereunder, and the requirements
of any stock exchange upon which the shares may then be listed, and shall be
further subject to the approval of counsel for the Company with respect to such
compliance.
 
     As a condition to the exercise of an option, if required by applicable
securities laws, the Company may require the participant for whose account the
option is being exercised to represent and warrant at the time of such exercise
that the shares are being purchased only for investment and without any present
intention to sell or distribute such shares if, in the opinion of counsel for
the Company, such a representation is required by any of the aforementioned
applicable provisions of law.
 
                                       -7-
<PAGE>   33
 
     23. TERM OF PLAN. The Plan shall become effective upon the earlier to occur
of its adoption by the Board of Directors or its approval by the stockholders of
the Company. It shall continue in effect for a term of 10 years unless sooner
terminated under Section 20.
 
     24. EMPLOYMENT RELATIONSHIP. Nothing in the Plan shall be construed as
creating a contract for employment for any period or shall interfere with or
limit in any way the right of the Company or of any Subsidiary to terminate any
participant's employment relationship at any time, with or without cause, nor
confer upon any participant any right to continue in the employ of the Company
or any Subsidiary.
 
                                       -8-
<PAGE>   34

                                  DETACH HERE
- --------------------------------------------------------------------------------


                                     PROXY

                             LSI LOGIC CORPORATION

                      1999 ANNUAL MEETING OF STOCKHOLDERS
                    THIS PROXY IS SOLICITED ON BEHALF OF THE
                               BOARD OF DIRECTORS


     The undersigned stockholder of LSI Logic Corporation, a Delaware 
corporation, hereby acknowledges receipt of the Notice of Annual Meeting of 
Stockholders and Proxy Statement, each dated March 24, 1999, and hereby 
appoints Wilfred J. Corrigan and David E. Sanders, or either of them, proxies 
and attorneys-in-fact, with full power to each of substitution, on behalf and 
in the name of the undersigned, to represent the undersigned at the 1999 Annual 
Meeting of Stockholders of LSI Logic Corporation to be held on May 7, 1999, at 
1:30 p.m., local time, at the Hotel Nikko, 222 Mason Street, San Francisco, 
California, and at any adjournment(s) thereof, and to vote all shares of Common 
Stock which the undersigned would be entitled to vote if then and there 
personally present, on the matters set forth on the reverse side.




SEE REVERSE         CONTINUED AND TO BE SIGNED ON REVERSE SIDE      SEE REVERSE
   SIDE                                                                SIDE




<PAGE>   35

                                  DETACH HERE
- --------------------------------------------------------------------------------


[X]  PLEASE MARK
     VOTES AS IN
     THIS EXAMPLE.

1.  Election of Directors.

    NOMINEES: Wilfred J. Corrigan, T.Z. Chu, Malcolm R. Currie, James H. 
    Keyes, R. Douglas Norby, Matthew J. O'Rourke

         [ ] FOR             [ ] WITHHELD             MARK HERE   [ ]
             ALL                 FROM ALL             FOR ADDRESS
             NOMINEES            NOMINEES             CHANGE AND
                                                      NOTE BELOW

    [ ] ______________________________________
        For all nominees except as noted above

2.  Approval of an amendment to the Company's 1991 Equity Incentive Plan to 
    increase the number of shares of common stock reserved for issuance 
    thereunder by 6,250,000.

               FOR            AGAINST             ABSTAIN
               [ ]              [ ]                 [ ]

3.  Approval of an Amended and Restated Employee Stock Purchase Plan to 
    increase the number of shares of common stock reserved for issuance 
    thereunder by 750,000; to change the enrollment dates; to reduce the length 
    of the offering period; and to grant the Board of Directors authority to 
    alter the purchase price of shares and make other administrative changes.

               FOR            AGAINST             ABSTAIN
               [ ]              [ ]                 [ ]

4.  Approval of an amendment to the 1995 Director Stock Option Plan to increase 
    the annual grant of options to each non-employee director to 12,500 shares, 
    which options shall become fully vested six months after the date of grant.

               FOR            AGAINST             ABSTAIN
               [ ]              [ ]                 [ ]


5.  Approval of the appointment of PricewaterhouseCoopers LLP as independent 
    accountants of the Company for its 1999 fiscal year.

               FOR            AGAINST             ABSTAIN
               [ ]              [ ]                 [ ]

(This proxy should be marked, dated, signed by the stockholder(s) exactly as 
his or her name appears hereon, and returned promptly in the enclosed envelope. 
Persons signing in a fiduciary capacity should so indicate. If shares are held 
by joint tenants or as community property, both should sign.)


______________________________ Date: _______________





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