SEAGATE TECHNOLOGY INC
S-8, 1997-11-12
COMPUTER STORAGE DEVICES
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<PAGE>
 
       As filed with the Securities and Exchange Commission on November 12, 1997
                                                  Registration No. 333-
================================================================================

                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549
                              -------------------
                                   FORM S-8
                            REGISTRATION STATEMENT
                                     UNDER
                          THE SECURITIES ACT OF 1933
                              ------------------- 
                           SEAGATE TECHNOLOGY, INC.
            (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)
                              ------------------- 
 
        DELAWARE                                        94-2612933
 ----------------------                      ---------------------------------
(STATE OF INCORPORATION)                    (I.R.S. EMPLOYER IDENTIFICATION NO.)
 
                                920 DISC DRIVE
                        SCOTTS VALLEY, CALIFORNIA 95066
                                (408) 438-6550
  (ADDRESS, INCLUDING ZIP CODE, OF REGISTRANT'S PRINCIPAL EXECUTIVE OFFICES)
                              -------------------          
 
                       1991 INCENTIVE STOCK OPTION PLAN
                           (FULL TITLE OF THE PLANS)
 
                              ------------------- 

                                DONALD L. WAITE
                           EXECUTIVE VICE PRESIDENT
                           SEAGATE TECHNOLOGY, INC.
                                920 DISC DRIVE
                        SCOTTS VALLEY, CALIFORNIA 95066
                                (408) 438-6550
(NAME, ADDRESS, AND TELEPHONE NUMBER, INCLUDING AREA CODE, OF AGENT FOR SERVICE)

                              ------------------- 
 
                                  Copies to:
                            CHRIS F. FENNELL, ESQ.
                       WILSON SONSINI GOODRICH & ROSATI
                           PROFESSIONAL CORPORATION
                              650 PAGE MILL ROAD
                              PALO ALTO, CA 94306
                                (650) 493-9300
 
                              -------------------

                        CALCULATION OF REGISTRATION FEE
<TABLE>
<CAPTION>
========================================================================================== 
                                                 PROPOSED     PROPOSED  
                                                  MAXIMUM     MAXIMUM   
     TITLE OF EACH CLASS            AMOUNT        OFFERING    AGGREGATE        AMOUNT OF
      OF SECURITIES TO              TO BE           PRICE     OFFERING        REGISTRATION
        BE REGISTERED             REGISTERED      PER SHARE    PRICE             FEE(1)   
- ------------------------------------------------------------------------------------------
<S>                            <C>                <C>        <C>              <C>
Common Stock,                                  
$0.01 par value, to be         15,000,000 shares   $24.1875  $362,812,500.00  $109,944.00
issued under the 1991
Incentive Stock Option Plan
==========================================================================================
</TABLE>

(1) Calculated in accordance with Rule 457(c) solely for the purpose of
    calculating the registration fee based upon the average of the high and low
    prices of the Common Stock as reported on the New York Stock Exchange
    Composite Tape on November 10, 1997.
================================================================================
<PAGE>
 
    The contents of the Registrant's Form S-8 Registration Statement
(Registration No. 33-43911) dated November 14, 1991, Form S-8 Registration
Statement (Registration No. 33-50973) dated November 9, 1993 and Form S-8
Registration Statement (Registration No. 33-64339) dated November 16, 1995 are
incorporated herein by reference.


            PART II:  INFORMATION REQUIRED IN REGISTRATION STATEMENT
<TABLE>
<CAPTION>
 
ITEM 8.    Exhibits
           --------

                Exhibit                              
                Number                             Documents 
                -------     ----------------------------------------------------------------
                <S>        <C>
                   4.1      1991 Incentive Stock Option Plan, as amended
                   5.1      Opinion of counsel as to legality of securities being registered
                  23.1      Consent of Counsel (contained in Exhibit 5.1)
                  23.2      Consent of Independent Auditors for Seagate Technology, Inc.
                  23.3      Consent of Independent Accountants for Seagate Peripherals, Inc.
                  24.1      Power of Attorney (see page II-3)
</TABLE>
 

                                      II-1
<PAGE>
 
                                  SIGNATURES


       Pursuant to the requirements of the Securities Act of 1933, the
Registrant, Seagate Technology, Inc., certifies that it has reasonable grounds
to believe that it meets all of the requirements for filing on Form S-8 and has
duly caused this Registration Statement to be signed on its behalf by the
undersigned, thereunto duly authorized, in the City of Scotts Valley, State of
California, on this 12th day of November, 1997.


                                            SEAGATE TECHNOLOGY, INC.



                                            By: /s/ Alan F. Shugart
                                               ---------------------------------
                                               Alan F. Shugart, Chairman of the
                                               Board and Chief Executive Officer
                                              

                                      II-2
<PAGE>
 
                               POWER OF ATTORNEY

       KNOW ALL PERSONS BY THESE PRESENTS, that each such person whose signature
appears below constitutes and appoints, jointly and severally, Alan F. Shugart
and Donald L. Waite, jointly or severally, his or her attorneys-in-fact, each
with the power of substitution, for him or her in any and all capacities, to
sign any amendments to this Registration Statement on Form S-8 (including post-
effective amendments), and to file the same, with all exhibits thereto, and
other documents in connection therewith, with the Securities and Exchange
Commission, hereby ratifying and confirming all that each of said attorneys-in-
fact, or his or her substitute or substitutes, may do or cause to be done by
virtue hereof.

       PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF 1933, THIS
REGISTRATION STATEMENT HAS BEEN SIGNED BY THE FOLLOWING PERSONS IN THE
CAPACITIES AND ON THE DATES INDICATED.

<TABLE>
<CAPTION>

        SIGNATURE                    TITLE                         DATE
        ---------                    -----                         ----
<S>                         <C>                               <C>
 
                            Chairman of the Board             November 12, 1997
 /s/ Alan F. Shugart        and Chief Executive Officer
- --------------------------  (Principal Executive Officer)
(Alan F. Shugart)           
 
 /s/ Donald L. Waite        Executive Vice President,         November 12, 1997
- --------------------------  Chief Administrative Officer,
(Donald L. Waite )          Chief Financial Officer and
                            Corporate Secretary (Principal
                            Financial and Accounting
                            Officer)

 /s/ Gary B. Filler         Director                          November 12, 1997
- --------------------------
(Gary B. Filler)

 /s/ Kenneth E. Haughton    Director                          November 12, 1997
- --------------------------
(Kenneth E. Haughton)

 /s/ Robert A. Kleist       Director                          November 12, 1997
- --------------------------
(Robert A. Kleist)

</TABLE> 

                                      II-3
<PAGE>
 
<TABLE> 
<CAPTION> 
<S>                        <C>                               <C>

 /s/ Lawrence Perlman       Director                          November 12, 1997
- --------------------------
(Lawrence Perlman)

                            Director
- --------------------------
(Thomas P. Stafford)

                            Director       
- --------------------------
(Laurel L. Wilkening)
</TABLE>

                                      II-4
<PAGE>
 
                      SECURITIES AND EXCHANGE COMMISSION

                            Washington, D.C.  20549


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

                                   EXHIBITS

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

                      Registration Statement on Form S-8

                           Seagate Technology, Inc.

                               November 12, 1997



                                      II-5
<PAGE>
 
                               INDEX TO EXHIBITS


<TABLE>
<CAPTION>
                                                                          SEQUENTIALLY
  EXHIBIT                                                                   NUMBERED 
  NUMBER                          EXHIBIT                                     PAGE   
  -------                         -------                                 ------------
<S>      <C>                                                              <C>
    4.1  1991 Incentive Stock Option Plan, as amended
    5.1  Opinion of counsel as to legality of securities being registered
   23.1  Consent of Counsel (contained in Exhibit 5.1)
   23.2  Consent of Independent Auditors for Seagate Technology, Inc.
   23.3  Consent of Independent Accountants for Seagate Peripherals, Inc.
   24.1  Power of Attorney (see page II-3)
</TABLE>

<PAGE>
                                                                     Exhibit 4.1

 
                           SEAGATE TECHNOLOGY, INC.

                       1991 INCENTIVE STOCK OPTION PLAN
                       (AS AMENDED THROUGH OCTOBER 1997)



     1.   Purposes of the Plan.  The purposes of this 1991 Incentive Stock
          --------------------                                            
Option Plan are:

     o    to attract and retain the best available personnel for positions of
          substantial responsibility,

     o    to provide additional incentive to Employees and Consultants, and

     o    to promote the success of the Company's business.

Options granted under the Plan may be Incentive Stock Options or Nonstatutory
Stock Options, as determined by the Administrator at the time of grant.

     2.   Definitions.  As used herein, the following definitions shall apply:
          -----------                                                         

          (a)  "Administrator" means the Board or any of its Committees as shall
                ------------- 
be administering the Plan, in accordance with Section 4 of the Plan.

          (b)  "Applicable Laws" means the legal requirements relating to
                ---------------                                          
the administration of stock option plans under state corporate and securities
laws and the Code.

          (c)  "Board" means the Board of Directors of the Company.
                -----                                              

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

          (e)  "Committee"  means a Committee appointed by the Board in
                ---------                                              
accordance with Section 4 of the Plan.

          (f)  "Common Stock" means the Common Stock of the Company.
                ------------                                        

          (g)  "Company" means Seagate Technology, Inc., a Delaware corporation.
                -------                                                         

          (h)  "Consultant" means any person, including an advisor, engaged by
                ----------                                                    
the Company or a Parent or Subsidiary to render services and who is compensated
for such services, provided that the term "Consultant" shall not include
Directors who are paid only a director's fee by the Company or who are not
compensated by the Company for their services as Directors.
<PAGE>
 
          (i)  "Continuous Status as an Employee or Consultant" means that the
                ----------------------------------------------                
employment or consulting relationship is not interrupted or terminated by the
Company, any Parent or Subsidiary.  Continuous Status as an Employee or
Consultant shall not be considered interrupted in the case of:  (i) any leave of
absence approved by the Board, including sick leave, military leave, or any
other personal leave; provided, however, that for purposes of Incentive Stock
Options, any such leave may not exceed ninety (90) days, unless reemployment
upon the expiration of such leave is guaranteed by contract (including certain
Company policies) or statute; or (ii) transfers between locations of the Company
or between the Company, its Parent, its Subsidiaries or its successor.

          (j)  "Director" means a member of the Board.
                --------                              

          (k)  "Disability" means total and permanent disability as defined in
                ----------                                                    
Section 22(e)(3) of the Code.

          (l)  "Employee" means any person, including Officers and Directors,
                --------                                                     
employed by the Company or any Parent or Subsidiary of the Company.  Neither
service as a Director nor payment of a director's fee by the Company shall be
sufficient to constitute "employment" by the Company.

          (m)  "Exchange Act" means the Securities Exchange Act of 1934, as
                ------------                                               
amended.

          (n)  "Fair Market Value" means, as of any date, the value of Common
                -----------------                                            
Stock determined as follows:

               (i)   If the Common Stock is listed on any established stock
exchange or a national market system, including without limitation the National
Market System of the National Association of Securities Dealers, Inc. Automated
Quotation ("NASDAQ") System, the Fair Market Value of a Share of Common Stock
shall be the closing sales price for such stock (or the closing bid, if no sales
were reported) as quoted on such system or exchange (or the exchange with the
greatest volume of trading in Common Stock) on the last market trading day prior
to the day of determination, as reported in the Wall Street Journal or such
other source as the Administrator deems reliable;

               (ii)  If the Common Stock is quoted on the NASDAQ System (but not
on the National Market System thereof) or is regularly quoted by a recognized
securities dealer but selling prices are not reported, the Fair Market Value of
a Share of Common Stock shall be the mean between the high bid and low asked
prices for the Common Stock on the last market trading day prior to the day of
determination, as reported in the Wall Street Journal or such other source as
the Administrator deems reliable;

               (iii) In the absence of an established market for the Common
Stock, the Fair Market Value shall be determined in good faith by the
Administrator.

                                      -2-
<PAGE>
 
          (o)  "Incentive Stock Option" means an Option intended to qualify as 
                ----------------------    
an incentive stock option within the meaning of Section 422 of the Code and the
regulations promulgated thereunder.

          (p)  "Nonstatutory Stock Option" means an Option not intended to
                -------------------------                                 
qualify as an Incentive Stock Option.

          (q)   "Notice of Grant" means a written notice evidencing certain
                 ---------------                                           
terms and conditions of an individual Option grant.  The Notice of Grant is part
of the Option Agreement.

          (r)  "Officer" means a person who is an officer of the Company within
                -------                                                        
the meaning of Section 15 of the Exchange Act and the rules and regulations
promulgated thereunder.

          (s)  "Option" means a stock option granted pursuant to the Plan.
                ------                                                    

          (t)  "Option Agreement" means a written agreement between the
                ----------------                                       
Company and an Optionee evidencing the terms and conditions of an individual
Option grant.  The Option Agreement is subject to the terms and conditions of
the Plan.

          (u)  "Option Exchange Program" means a program whereby
                -----------------------                         
outstanding options are surrendered in exchange for options with a lower
exercise price.

          (v)  "Optioned Stock" means the Common Stock subject to an Option.
                --------------                                              

          (w)  "Optionee" means an Employee or Consultant who holds an
                --------                                              
outstanding Option.

          (x)  "Parent" means a "parent corporation", whether now or hereafter
                ------                                                        
existing, as defined in Section 424(e) of the Code.

          (y)  "Plan" means this 1991 Incentive Stock Option Plan.
                ----                                              

          (aa) "Rule 16b-3" means Rule 16b-3 of the Exchange Act or any
                ----------                                             
successor to Rule 16b-3, as in effect when discretion is being exercised with
respect to the Plan.

          (bb) "Share" means a share of the Common Stock, as adjusted in
                -----                                                   
accordance with Section 12 of the Plan.

          (cc) "Subsidiary" means a "subsidiary corporation", whether now or
                ----------                                                  
hereafter existing, as defined in Section 424(f) of the Code.

     3.   Stock Subject to the Plan.  Subject to the provisions of Section 13 of
          -------------------------                                             
the Plan, the maximum aggregate number of Shares which may be optioned under the
Plan is 49,000,000 Shares

                                      -3-
<PAGE>
 
of Common Stock. The Shares may be authorized, but unissued, or reacquired
Common Stock. However, should the Company reacquire Shares which were issued
pursuant to the exercise of an Option, such Shares shall not become available
for future grant under the Plan.

          If an Option expires or becomes unexercisable without having been
exercised in full, or is surrendered pursuant to an Option Exchange Program, the
unpurchased Shares which were subject thereto shall become available for future
grant or sale under the Plan (unless the Plan has terminated).

     4.   Administration of the Plan.
          -------------------------- 

          (a)  Procedure.
               --------- 

               (i)   Multiple Administrative Bodies.  If permitted by Rule 16b-
                     ------------------------------        
3, the Plan may be administered by different bodies with respect to Directors,
Officers who are not Directors, and Employees who are neither Directors nor
Officers.

               (ii)  Administration With Respect to Directors and Officers
                     -----------------------------------------------------
Subject to Section 16(b).  With respect to Option grants made to Employees who
- ------------------------                                                      
are also Officers or Directors subject to Section 16(b) of the Exchange Act, the
Plan shall be administered by (A) the Board, if the Board may administer the
Plan in compliance with the rules governing a plan intended to qualify as a
discretionary plan under Rule 16b-3, or (B) a committee designated by the Board
to administer the Plan, which committee shall be constituted to comply with the
rules governing a plan intended to qualify as a discretionary plan under Rule
16b-3.  Once appointed, such Committee shall continue to serve in its designated
capacity until otherwise directed by the Board.  From time to time the Board may
increase the size of the Committee and appoint additional members, remove
members (with or without cause) and substitute new members, fill vacancies
(however caused), and remove all members of the Committee and thereafter
directly administer the Plan, all to the extent permitted by the rules governing
a plan intended to qualify as a discretionary plan under Rule 16b-3.

               (iii) Administration With Respect to Other Persons.  With respect
                     --------------------------------------------               
to Option grants made to Employees or Consultants who are neither Directors nor
Officers of the Company, the Plan shall be administered by (A) the Board or (B)
a committee designated by the Board, which committee shall be constituted to
satisfy Applicable Laws.  Once appointed, such Committee shall serve in its
designated capacity until otherwise directed by the Board.  The Board may
increase the size of the Committee and appoint additional members, remove
members (with or without cause) and substitute new members, fill vacancies
(however caused), and remove all members of the Committee and thereafter
directly administer the Plan, all to the extent permitted by Applicable Laws.

          (b)  Powers of the Administrator.  Subject to the provisions of the
               ---------------------------                                   
Plan, and in the case of a Committee, subject to the specific duties delegated
by the Board to such Committee, the Administrator shall have the authority, in
its discretion:

                                      -4-
<PAGE>
 
               (i)     to determine the Fair Market Value of the Common Stock,
in accordance with Section 2(n) of the Plan;

               (ii)    to select the Consultants and Employees to whom Options
may be granted hereunder;

               (iii)   to determine whether and to what extent Options are
granted hereunder;

               (iv)    to determine the number of shares of Common Stock to be
covered by each Option granted hereunder;

               (v)     to approve forms of agreement for use under the Plan;

               (vi)    to determine the terms and conditions, not inconsistent
with the terms of the Plan, of any award granted hereunder. Such terms and
conditions include, but are not limited to, the exercise price, the time or
times when Options may be exercised (which may be based on performance
criteria), any vesting acceleration or waiver of forfeiture restrictions, and
any restriction or limitation regarding any Option or the shares of Common Stock
relating thereto, based in each case on such factors as the Administrator, in
its sole discretion, shall determine;

               (vii)   to determine whether, to what extent and under what
circumstances Common Stock and other amounts payable with respect to an award
under this Plan shall be deferred either automatically or at the election of the
participant (including providing for and determining the amount (if any) of any
deemed earnings on any deferred amount during any deferral period);

               (viii)  to reduce the exercise price of any Option to the then
current Fair Market Value if the Fair Market Value of the Common Stock covered
by such Option shall have declined since the date the Option was granted;

               (ix)    to construe and interpret the terms of the Plan;

               (x)     to prescribe, amend and rescind rules and regulations
relating to the Plan;

               (xi)    to modify or amend each Option (subject to Section 14(c)
of the Plan);

               (xii)   to authorize any person to execute on behalf of the
Company any instrument required to effect the grant of an Option previously
granted by the Administrator;

               (xiii)  to institute an Option Exchange Program;

               (xiv)   to determine the terms and restrictions applicable to
Options; and

                                      -5-
<PAGE>
 
               (xv)  to make all other determinations deemed necessary or
advisable for administering the Plan.

          (c)  Effect of Administrator's Decision.  The Administrator's
               ----------------------------------                      
decisions, determinations and interpretations shall be final and binding on all
Optionees and any other holders of Options.

     5.   Eligibility.  Nonstatutory Stock Options may be granted to Employees
          -----------                                                         
and Consultants.  Incentive Stock Options may be granted only to Employees.  If
otherwise eligible, an Employee or Consultant who has been granted an Option may
be granted additional Options.

     6.   Limitations.
          ----------- 

          (a)  Each Option shall be designated in the Notice of Grant as either
an Incentive Stock Option or a Nonstatutory Stock Option.  However,
notwithstanding such designations, to the extent that the aggregate Fair Market
Value:

               (i)  of Shares subject to an Optionee's incentive stock options
     granted by the Company, any Parent or Subsidiary, which (ii) become
     exercisable for the first time during any calendar year (under all plans of
     the Company or any Parent or Subsidiary)

exceeds $100,000, such excess Options shall be treated as Nonstatutory Stock
Options.  For purposes of this Section 6(a), incentive stock options shall be
taken into account in the order in which they were granted, and the Fair Market
Value of the Shares shall be determined as of the time of grant.

          (b)  Neither the Plan nor any Option shall confer upon an Optionee any
right with respect to continuing the Optionee's employment or consulting
relationship with the Company, nor shall they interfere in any way with the
Optionee's right or the Company's right to terminate such employment or
consulting relationship at any time, with or without cause.

          (c)  Beginning October 28, 1993, the following limitations shall apply
to grants of Options to Officers:

               (i)  no Officer shall be granted in any fiscal year of the
Company, Options to purchase more than 160,000 Shares, provided that, a newly-
hired Officer may in addition receive a one-time grant of up to 300,000 Shares
upon acceptance of employment with the Company; and

               (ii) over the remaining term of the Plan, no Officer shall be
granted Options to purchase more than 500,000 Shares.

     The foregoing limitations set forth in this Section 6(c) are intended to
satisfy the requirements applicable to Options intended to qualify as
"performance-based compensation" (within the meaning of Section 162(k) of the
Code).  In the event the Administrator determines that

                                      -6-
<PAGE>
 
such limitations are not required to qualify Options as performance-based
compensation, the Administrator may modify or eliminate such limitations.

     7.   Term of Plan.  Subject to Section 18 of the Plan, the Plan shall
          ------------                                                    
become effective upon the earlier to occur of its adoption by the Board or its
approval by the shareholders of the Company as described in Section 18 of the
Plan.  It shall continue in effect for a term of ten (10) years unless
terminated earlier under Section 14 of the Plan.

     8.   Term of Option.  The term of each Option shall be stated in the Notice
          --------------                                                        
of Grant; provided, however, that in the case of an Incentive Stock Option, the
term shall be ten (10) years from the date of grant or such shorter term as may
be provided in the Notice of Grant.  Moreover, in the case of an Incentive Stock
Option granted to an Optionee who, at the time the Incentive Stock Option is
granted, owns stock representing more than ten percent (10%) of the voting power
of all classes of stock of the Company or any Parent or Subsidiary, the term of
the Incentive Stock Option shall be five (5) years from the date of grant or
such shorter term as may be provided in the Notice of Grant.

     9.   Option Exercise Price and Consideration.
          --------------------------------------- 

          (a)  Exercise Price.  The per share exercise price for the Shares to 
               -------------- 
be issued pursuant to exercise of an Option shall be determined by the
Administrator, subject to the following:

               (i)  In the case of an Incentive Stock Option

                         (A)  granted to an Employee who, at the time the
Incentive Stock Option is granted, owns stock representing more than ten percent
(10%) of the voting power of all classes of stock of the Company or any Parent
or Subsidiary, the per Share exercise price shall be no less than 110% of the
Fair Market Value per Share on the date of grant.

                         (B)  granted to any Employee, the per Share exercise
price shall be no less than 100% of the Fair Market Value per Share on the date
of grant.

               (ii) In the case of a Nonstatutory Stock Option, the per Share
exercise price shall be no less than 100% of the Fair Market Value per Share on
the date of grant.

          (b)  Waiting Period and Exercise Dates.  At the time an Option is
               ---------------------------------                           
granted, the Administrator shall fix the period within which the Option may be
exercised and shall determine any conditions which must be satisfied before the
Option may be exercised.  In so doing, the Administrator may specify that an
Option may not be exercised until the completion of a service period.

          (c)  Form of Consideration.  The Administrator shall determine the
               ---------------------                                        
acceptable form of consideration for exercising an Option, including the method
of payment.  In the case of an 

                                      -7-
<PAGE>
 
Incentive Stock Option, the Administrator shall determine the acceptable form of
consideration at the time of grant. Such consideration may consist entirely of:

               (i)    cash;

               (ii)   check;

               (iii)  promissory note;

               (iv)   other Shares which (A) in the case of Shares acquired upon
exercise of an option, have been owned by the Optionee for more than six months
on the date of surrender, and (B) have a Fair Market Value on the date of
surrender equal to the aggregate exercise price of the Shares as to which said
Option shall be exercised;

               (v)    delivery of a properly executed exercise notice together
with such other documentation as the Administrator and the Optionee's broker, if
applicable, shall require to effect an exercise of the Option and delivery to
the Company of the sale or loan proceeds required to pay the exercise price;

               (vi)   any combination of the foregoing methods of payment; or

               (vii)  such other consideration and method of payment for the
issuance of Shares to the extent permitted by Applicable Laws.

     10.  Exercise of Option.
          ------------------ 

          (a)  Procedure for Exercise; Rights as a Shareholder. Any Option
               -----------------------------------------------            
granted hereunder shall be exercisable according to the terms of the Plan and at
such times and under such conditions as determined by the Administrator and set
forth in the Option Agreement.

               An Option may not be exercised for a fraction of a Share.

               An Option shall be deemed exercised when the Company receives:
(i) written notice of exercise (in accordance with the Option Agreement) from
the person entitled to exercise the Option, and (ii) full payment for the Shares
with respect to which the Option is exercised. Full payment may consist of any
consideration and method of payment authorized by the Administrator and
permitted by the Option Agreement and the Plan. Shares issued upon exercise of
an Option shall be issued in the name of the Optionee or, if requested by the
Optionee, in the name of the Optionee and his or her spouse. Until the stock
certificate evidencing such Shares is issued (as evidenced by the appropriate
entry on the books of the Company or of a duly authorized transfer agent of the
Company), no right to vote or receive dividends or any other rights as a
shareholder shall exist with respect to the Optioned Stock, notwithstanding the
exercise of the Option. The Company shall issue (or cause to be issued) such
stock certificate promptly after the Option is exercised. No adjustment

                                      -8-
<PAGE>
 
will be made for a dividend or other right for which the record date is prior to
the date the stock certificate is issued, except as provided in Section 12 of
the Plan.

               Exercising an Option in any manner shall decrease the number of
Shares thereafter available, both for purposes of the Plan and for sale under
the Option, by the number of Shares as to which the Option is exercised.

          (b)  Termination of Employment or Consulting Relationship.  In the
               ----------------------------------------------------         
event that an Optionee's Continuous Status as an Employee or Consultant
terminates (other than upon the Optionee's death or Disability), the Optionee
may exercise his or her Option, but only within such period of time as is
determined by the Administrator, and only to the extent that the Optionee was
entitled to exercise it at the date of termination (but in no event later than
the expiration of the term of such Option as set forth in the Notice of Grant).
In the case of an Incentive Stock Option, the Administrator shall determine such
period of time (in no event to exceed ninety (90) days from the date of
termination) when the Option is granted.  If, at the date of termination, the
Optionee is not entitled to exercise his or her entire Option, the Shares
covered by the unexercisable portion of the Option shall revert to the Plan.
If, after termination, the Optionee does not exercise his or her Option within
the time specified by the Administrator, the Option shall terminate, and the
Shares covered by such Option shall revert to the Plan.

          (c)  Disability of Optionee.  In the event that an Optionee's
               ----------------------                                  
Continuous Status as an Employee or Consultant terminates as a result of the
Optionee's Disability, the Optionee may exercise his or her Option at any time
within six (6) months from the date of such termination, but only to the extent
that the Optionee was entitled to exercise it at the date of such termination
(but in no event later than the expiration of the term of such Option as set
forth in the Notice of Grant).  If, at the date of termination, the Optionee is
not entitled to exercise his or her entire Option, the Shares covered by the
unexercisable portion of the Option shall revert to the Plan.  If, after
termination, the Optionee does not exercise his or her Option within the time
specified herein, the Option shall terminate, and the Shares covered by such
Option shall revert to the Plan.

          (d)  Death of Optionee.  In the event of the death of an Optionee, the
               -----------------                                                
Option may be exercised at any time within six (6) months following the date of
death (but in no event later than the expiration of the term of such Option as
set forth in the Notice of Grant), by the Optionee's estate or by a person who
acquired the right to exercise the Option by bequest or inheritance, but only to
the extent that the Optionee was entitled to exercise the Option at the date of
death.  If, at the time of death, the Optionee was not entitled to exercise his
or her entire Option, the Shares covered by the unexercisable portion of the
Option shall immediately revert to the Plan.  If, after death, the Optionee's
estate or a person who acquired the right to exercise the Option by bequest or
inheritance does not exercise the Option within the time specified herein, the
Option shall terminate, and the Shares covered by such Option shall revert to
the Plan.

                                      -9-
<PAGE>
 
     11.  Non-Transferability of Options.
          ------------------------------ 

          (a)  Unless determined otherwise by the Administrator, an Option may
not be sold, pledged, assigned, hypothecated, transferred, or disposed of in any
manner other than by will or by the laws of descent and distribution and may be
exercised, during the lifetime of the Optionee, only by the Optionee.  If the
Administrator makes an Option transferable, such Option shall contain such
additional terms and conditions as the Administrator deems appropriate.

          (b)  An Optionee may file a written designation of a beneficiary who
is to receive any options that remain unexercised in the event of the Optionee's
death.  If a participant is married and the designated beneficiary is not the
spouse, spousal consent shall be required for such designation to be effective.

          (c)  Such designation of beneficiary may be changed by the Optionee at
any time by written notice, subject to the above spousal consent conditions.  In
the event of the death of the Optionee and in the absence of a beneficiary
validly designated under the Plan who is living at the time of such Optionee's,
the Company shall deliver such options to the executor or administrator of the
estate of the Optionee, or if no such executor or administrator has been
appointed (to the knowledge of the Company), the Company, in its discretion, may
deliver such options 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 designate.

     12.  Adjustments Upon Changes in Capitalization, Dissolution, Merger, Asset
          ----------------------------------------------------------------------
          Sale or Change of Control.
          ------------------------- 

          (a)  Changes in Capitalization.  Subject to any required action by the
               -------------------------                                        
shareholders of the Company, the number of shares of Common Stock covered by
each outstanding Option, and the number of shares of Common Stock which have
been authorized for issuance under the Plan but as to which no Options have yet
been granted or which have been returned to the Plan upon cancellation or
expiration of an Option, as well as the price per share of Common Stock covered
by each such outstanding Option, 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 issued 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 an Option.

          (b)  Dissolution or Liquidation.  In the event of the proposed
               --------------------------                               
dissolution or liquidation of the Company, to the extent that an Option has not
been previously exercised, it will

                                      -10-
<PAGE>
 
terminate immediately prior to the consummation of such proposed action. The
Board may, in the exercise of its sole discretion in such instances, declare
that any Option shall terminate as of a date fixed by the Board and give each
Optionee the right to exercise his or her Option as to all or any part of the
Optioned Stock, including Shares as to which the Option would not otherwise be
exercisable.

          (c)  Merger or Asset Sale.  Subject to the provisions of paragraph (d)
               --------------------                                             
hereof, in the event of a merger of the Company with or into another
corporation, or the sale of substantially all of the assets of the Company, each
outstanding Option shall be assumed or an equivalent option shall be substituted
by the successor corporation or a Parent or Subsidiary of the successor
corporation.  In the event that the successor corporation does not agree to
assume the Option or to substitute an equivalent option, the Administrator
shall, in lieu of such assumption or substitution, provide for the Optionee to
have the right to exercise the Option as to all or a portion of the Optioned
Stock, including Shares as to which it would not otherwise be exercisable.  If
the Administrator makes an Option fully exercisable in lieu of assumption or
substitution in the event of a merger or sale of assets, the Administrator shall
notify the Optionee that the Option shall be fully exercisable for a period of
fifteen (15) days from the date of such notice, and the Option will terminate
upon the expiration of such period.  For the purposes of this paragraph, the
Option shall be considered assumed if, following the merger or sale of assets,
the option confers the right to purchase, for each Share subject to the Option
immediately prior to the merger or sale of assets, the consideration (whether
stock, cash, or other securities or property) received in the merger or sale of
assets by holders of Common Stock for each Share held on the effective date of
the transaction (and if holders were offered a choice of consideration, the type
of consideration chosen by the holders of a majority of the outstanding Shares);
provided, however, that if such consideration received in the merger or sale of
assets was not solely common stock of the successor corporation or its Parent,
the Administrator may, with the consent of the successor corporation and the
participant, provide for the consideration to be received upon the exercise of
the Option, for each Share of Optioned Stock subject to the Option, to be solely
common stock of the successor corporation or its Parent equal in Fair Market
Value to the per share consideration received by holders of Common Stock in the
merger or sale of assets.

          (d)  Change in Control.  In the event of a "Change in Control" of the
               -----------------                                               
Company, as defined in paragraph (e) below, then the following acceleration and
valuation provisions shall apply:

               (i)  Except as otherwise determined by the Board, in its
     discretion, prior to the occurrence of a Change in Control, any Options
     outstanding on the date such Change in Control is determined to have
     occurred that are not yet exercisable and vested on such date shall become
     fully exercisable and vested;

               (ii) Except as otherwise determined by the Board, in its
     discretion, prior to the occurrence of a Change in Control, all outstanding
     Options, to the extent they are exercisable and vested (including Options
     that shall become exercisable and vested pursuant to subparagraph (i)
     above), shall be terminated in exchange for a cash payment equal to the
     Change in Control Price (reduced by the exercise price applicable to such
     Options).  These

                                      -11-
<PAGE>
 
     cash proceeds shall be paid to the Optionee or, in the event of death of an
     Optionee prior to payment, to the estate of the Optionee or to a person who
     acquired the right to exercise the Option by bequest or inheritance.

          (e)  Definition of "Change in Control".  For purposes of this Section
               ---------------------------------                               
12, a "Change in Control" means the happening of any of the following:

               (i)   When any "person," as such term is used in Sections 13(d)
     and 14(d) of the Exchange Act (other than the Company, a Subsidiary or a
     Company employee benefit plan, including any trustee of such plan acting as
     trustee) is or becomes the "beneficial owner" (as defined in Rule 13d-3
     under the Exchange Act), directly or indirectly, of securities of the
     Company representing fifty percent (50%) or more of the combined voting
     power of the Company's then outstanding securities entitled to vote
     generally in the election of directors; or

               (ii)  The shareholders of the Company approve a merger or
     consolidation of the Company with any other corporation, other than a
     merger or consolidation which would result in the voting securities of the
     Company outstanding immediately prior thereto continuing to represent
     (either by remaining outstanding or by being converted into voting
     securities of the surviving entity) at least fifty percent (50%) of the
     total voting power represented by the voting securities of the Company or
     such surviving entity outstanding immediately after such merger or
     consolidation, or the shareholders of the Company approve an agreement for
     the sale or disposition by the Company of all or substantially all the
     Company's assets; or

               (iii) A change in the composition of the Board of Directors of
     the Company, as a result of which fewer than a majority of the directors
     are Incumbent Directors. "Incumbent Directors" shall mean directors who
     either (A) are directors of the Company as of the date the Plan is approved
     by the shareholders, or (B) are elected, or nominated for election, to the
     Board of Directors of the Company with the affirmative votes of at least a
     majority of the Incumbent Directors at the time of such election or
     nomination (but shall not include an individual whose election or
     nomination is in connection with an actual or threatened proxy contest
     relating to the election of directors to the Company).

          (f)  Change in Control Price.  For purposes of this Section 12, 
               ----------------------- 
"Change in Control Price" shall be, as determined by the Board, (i) the highest
Fair Market Value of a Share within the 60 day period immediately preceding the
date of determination of the Change in Control Price by the Board (the "60-Day
Period"), or (ii) the highest price paid or offered per Share, as determined by
the Board, in any bona fide transaction or bona fide offer related to the Change
in Control of the Company, at any time within the 60-Day Period, or (iii) some
lower price as the Board, in its discretion, determines to be a reasonable
estimate of the fair market value of a Share.

                                      -12-
<PAGE>
 
     13.  Date of Grant.  The date of grant of an Option shall be, for all
          -------------                                                   
purposes, the date on which the Administrator makes the determination granting
such Option, or such other later date as is determined by the Administrator.
Notice of the determination shall be provided to each Optionee within a
reasonable time after the date of such grant.

     14.  Amendment and Termination of the Plan.
          ------------------------------------- 

          (a)  Amendment and Termination.  The Board may at any time amend,
               -------------------------                                   
alter, suspend or terminate the Plan.

          (b)  Shareholder Approval.  The Company shall obtain shareholder
               --------------------                                       
approval of any Plan amendment to the extent necessary and desirable to comply
with Rule 16b-3 or with Section 422 of the Code (or any successor rule or
statute or other applicable law, rule or regulation, including the requirements
of any exchange or quotation system on which the Common Stock is listed or
quoted).  Such shareholder approval, if required, shall be obtained in such a
manner and to such a degree as is required by the applicable law, rule or
regulation.

          (c)  Effect of Amendment or Termination.  No amendment, alteration,
               ----------------------------------                            
suspension or termination of the Plan shall impair the rights of any Optionee,
unless mutually agreed otherwise between the Optionee and the Administrator,
which agreement must be in writing and signed by the Optionee and the Company.

     15.  Conditions Upon Issuance of Shares.
          ---------------------------------- 

          (a)  Legal Compliance.  Shares shall not be issued pursuant to the
               ----------------                                             
exercise of an Option unless the exercise of such Option and the issuance and
delivery of such Shares shall comply with all relevant provisions of law,
including, without limitation, the Securities Act of 1933, as amended, the
Exchange Act, the rules and regulations promulgated thereunder, Applicable Laws,
and the requirements of any stock exchange or quotation system upon which the
Shares may then be listed or quoted, and shall be further subject to the
approval of counsel for the Company with respect to such compliance.

          (b) Investment Representations.  As a condition to the exercise of an
              --------------------------                                       
Option, the Company may require the person exercising such Option to represent
and warrant at the time of any 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.

     16.  Liability of Company.
          -------------------- 

          (a) Inability to Obtain Authority.  The inability of the Company to
              -----------------------------                                  
obtain authority from any regulatory body having jurisdiction, which authority
is deemed by the Company's counsel to be necessary to the lawful issuance and
sale of any Shares hereunder, shall relieve the

                                      -13-
<PAGE>
 
Company of any liability in respect of the failure to issue or sell such Shares
as to which such requisite authority shall not have been obtained.

          (b)  Grants Exceeding Allotted Shares.  If the Optioned Stock covered
               --------------------------------                                
by an Option exceeds, as of the date of grant, the number of Shares which may be
issued under the Plan without additional shareholder approval, such Option shall
be void with respect to such excess Optioned Stock, unless shareholder approval
of an amendment sufficiently increasing the number of Shares subject to the Plan
is timely obtained in accordance with Section 14(b) of the Plan.

     17.  Reservation of Shares.  The Company, during the term of this Plan,
          ---------------------                                             
will at all times reserve and keep available such number of Shares as shall be
sufficient to satisfy the requirements of the Plan.

     18.  Shareholder Approval.  Continuance of the Plan shall be subject to
          --------------------                                           
approval by the shareholders of the Company within twelve (12) months before or
after the date the Plan is adopted. Such shareholder approval shall be obtained
in the manner and to the degree required under applicable federal and state law.

                                      -14-
<PAGE>
 
                       1991 INCENTIVE STOCK OPTION PLAN

                            STOCK OPTION AGREEMENT


     Unless otherwise defined herein, the terms defined in the 1991 Incentive
Stock Option Plan (the "Plan") shall have the same defined meanings in this
Option Agreement.

I.  NOTICE OF STOCK OPTION GRANT
    ----------------------------

Optionee's Name
Optionee's Address

     You have been granted an option to purchase Common Stock of the Company,
subject to the terms and conditions of the Plan and this Stock Option Agreement,
as follows:

     Grant Number                            __________________

     Date of Grant                           __________________

     Vesting Commencement Date               __________________

     Exercise Price per Share                $
                                             ------------------

     Total Number of Shares Granted          __________________

     Total Exercise Price                    $
                                             ------------------

     Type of Option:                     ___ Incentive Stock Option

                                         ___ Nonstatutory Stock Option
                                       

     Term/Expiration Date:            _________________________


     Vesting Schedule:
     ---------------- 

     This Option may be exercised, in whole or in part, in accordance with the
following schedule:
<PAGE>
 
     Termination Period:
     ------------------ 

     This Option may be exercised for ninety (90) days after termination of
employment or consulting relationship, or such longer period as may be
applicable upon death or Disability of Optionee as provided in the Plan, but in
no event later than the Term/Expiration Date as provided above.


II.  AGREEMENT
     ---------

     1.   Grant of Option.  The Plan Administrator of the Company hereby grants
          ---------------                                                      
to the Optionee named in the Notice of Grant attached as Part I of this
Agreement (the "Optionee"), an option (the "Option") to purchase a number of
Shares, as set forth in the Notice of Grant, at the exercise price per share set
forth in the Notice of Grant (the "Exercise Price"), subject to the terms and
conditions of the Plan, which is incorporated herein by reference.  Subject to
Section 14(c) of the Plan, in the event of a conflict between the terms and
conditions of the Plan and the terms and conditions of this Option Agreement,
the terms and conditions of the Plan shall prevail.

          If designated in the Notice of Grant as an Incentive Stock Option,
this Option is intended to qualify as an Incentive Stock Option under Section
422 of the Code.

     2.   Exercise of Option.
          ------------------ 

          (a) Right to Exercise.  This Option is exercisable during its term in
              -----------------                                                
accordance with the Vesting Schedule set out in the Notice of Grant and the
applicable provisions of the Plan and this Option Agreement.  In the event of
Optionee's death, Disability or other termination of Optionee's employment or
consulting relationship, the exercisability of the Option is governed by the
applicable provisions of the Plan and this Option Agreement.

          (b) Method of Exercise.  This Option is exercisable by delivery of an
              ------------------                                               
exercise notice, in the form attached as Exhibit A (the "Exercise Notice"),
which shall state the election to exercise the Option, the number of Shares in
respect of which the Option is being exercised (the "Exercised Shares"), and
such other representations and agreements as may be required by the Company
pursuant to the provisions of the Plan.  The Exercise Notice shall be signed by
the Optionee and shall be delivered in person or by certified mail to the
Secretary of the Company.  The Exercise Notice shall be accompanied by payment
of the aggregate Exercise Price as to all Exercised Shares.  This Option shall
be deemed to be exercised upon receipt by the Company of such fully executed
Exercise Notice accompanied by such aggregate Exercise Price.

          No Shares shall be issued pursuant to the exercise of this Option
unless such issuance and exercise complies with all relevant provisions of law
and the requirements of any stock exchange
<PAGE>
 
upon which the Shares are then listed. Assuming such compliance, for income tax
purposes the Exercised Shares shall be considered transferred to the Optionee on
the date the Option is exercised with respect to such Exercised Shares.

     3.   Method of Payment.  Payment of the aggregate Exercise Price shall be
          -----------------                                                   
by any of the following, or a combination thereof, at the election of the
Optionee:

          (a)  cash; or

          (b)  check; or

          (c)  delivery of a properly executed exercise notice together with
such other documentation as the Administrator and the Optionee's broker, if
applicable, shall require to effect an exercise of the Option and delivery to
the Company of the sale or loan proceeds required to pay the exercise price; or

          (d)  surrender of other Shares which (i) in the case of Shares
acquired upon exercise of an option, have been owned by the Optionee for more
than six (6) months on the date of surrender, AND (ii) have a Fair Market Value
on the date of surrender equal to the aggregate Exercise Price of the Exercised
Shares.

     4.   Transferability of Option.  This Option may not be transferred in any
          -------------------------                                            
manner otherwise than by will or by the laws of descent and distribution and may
be exercised during the lifetime of Optionee only by the Optionee.  The terms of
the Plan and this Option Agreement shall be binding upon the executors,
administrators, heirs, successors and assigns of the Optionee.

     5.   Term of Option.  This Option may be exercised only within the term set
          --------------                                                        
out in the Notice of Grant, and may be exercised during such term only in
accordance with the Plan and the terms of this Option Agreement.

     6.   Tax Consequences.  Some of the federal tax consequences relating to
          ----------------                                                   
this Option, as of the date of this Option, are set forth below.  THIS SUMMARY
IS NECESSARILY INCOMPLETE, AND THE TAX LAWS AND REGULATIONS ARE SUBJECT TO
CHANGE. THE OPTIONEE SHOULD CONSULT A TAX ADVISER BEFORE EXERCISING THIS OPTION
OR DISPOSING OF THE SHARES.

          (a)  Exercising the Option.
               --------------------- 

               (i)  Nonqualified Stock Option ("NSO").  If this Option does not
                    ---------------------------------                          
qualify as an ISO, the Optionee may incur regular federal income tax liability
upon exercise.  The Optionee will be treated as having received compensation
income (taxable at ordinary income tax rates) equal to the excess, if any, of
the fair market value of the Exercised Shares on the date of exercise over their
aggregate Exercise Price.  If the Optionee is an employee, the Company will be
required to withhold
<PAGE>
 
from his or her compensation or collect from Optionee and pay to the applicable
taxing authorities an amount equal to a percentage of this compensation income
at the time of exercise.

               (ii) Incentive Stock Option ("ISO").  If this Option qualifies
                    ------------------------------                           
as an ISO, the Optionee will have no regular federal income tax liability upon
its exercise, although the excess, if any, of the fair market value of the
Exercised Shares on the date of exercise over their aggregate Exercise Price
will be treated as an adjustment to the alternative minimum tax for federal tax
purposes and may subject the Optionee to alternative minimum tax in the year of
exercise.

          (b)  Disposition of Shares.
               --------------------- 

               (i)  NSO.  If the Optionee holds NSO Shares for at least one 
                    --- 
year, any gain realized on disposition of the Shares will be treated as long-
term capital gain for federal income tax purposes.

               (ii) ISO.  If the Optionee holds ISO Shares for at least one year
                    ---                                                         
after exercise AND two years after the grant date, any gain realized on
disposition of the Shares will be treated as long-term capital gain for federal
income tax purposes.  If the Optionee disposes of ISO Shares within one year
after exercise or two years after the grant date, any gain realized on such
disposition will be treated as compensation income (taxable at ordinary income
rates) to the extent of the excess, if any, of the LESSER OF (A) the difference
between the FAIR MARKET VALUE OF THE SHARES ACQUIRED ON THE DATE OF EXERCISE and
the aggregate Exercise Price, or (B) the difference between the SALE PRICE of
such Shares and the aggregate Exercise Price.

          (c)  Notice of Disqualifying Disposition of ISO Shares.  If the
               -------------------------------------------------         
Optionee sells or otherwise disposes of any of the Shares acquired pursuant to
an ISO on or before the later of (i) two years after the grant date, or (ii) one
year after the exercise date, the Optionee shall immediately notify the Company
in writing of such disposition.  The Optionee agrees that he or she may be
subject to income tax withholding by the Company on the compensation income
recognized from such early disposition of ISO Shares by payment in cash or out
of the current earnings paid to the Optionee.

     By your signature and the signature of the Company's representative below,
you and the Company agree that this Option is granted under and governed by the
terms and conditions of the Plan and this Option Agreement.  Optionee has
reviewed the Plan and this Option Agreement in their entirety, has had an
opportunity to obtain the advice of counsel prior to executing this Option
Agreement and fully understands all provisions of the Plan and Option Agreement.
Optionee hereby agrees to accept as binding, conclusive and final all decisions
or interpretations of the Administrator upon any questions relating to the Plan
and Option Agreement.

OPTIONEE:                               SEAGATE TECHNOLOGY, INC.

______________________________          By:___________________________
Signature

______________________________          Title:________________________
Print Name
<PAGE>
 
                          DESIGNATION OF BENEFICIARY
                          --------------------------

     In the event of my death, I hereby designate the following as my
beneficiary(ies) to receive all of my options that are unexercised at that time.


NAME:  (Please print) _______________________________________________
                       (First)         (Middle)        (Last)


______________________        __________________________________________
Relationship
                              __________________________________________
                              (Address)

Dated: _______________        __________________________________________
                              Signature of Employee
<PAGE>
 
                               CONSENT OF SPOUSE
                               -----------------

     The undersigned spouse of Optionee has read and hereby approves the terms
and conditions of the Plan and this Option Agreement.  In consideration of the
Company's granting his or her spouse the right to purchase Shares as set forth
in the Plan and this Option Agreement, the undersigned hereby agrees to be
irrevocably bound by the terms and conditions of the Plan and this Option
Agreement and further agrees that any community property interest shall be
similarly bound.  The undersigned hereby appoints the undersigned's spouse as
attorney-in-fact for the undersigned with respect to any amendment or exercise
of rights under the Plan or this Option Agreement.


                                        _______________________________________
                                        Spouse of Optionee
<PAGE>
 
                       1991 INCENTIVE STOCK OPTION PLAN
                            STOCK OPTION AGREEMENT
                                EARLY EXERCISE


     Unless otherwise defined herein, the terms defined in the 1991 Incentive
Stock Option Plan (the "Plan") shall have the same defined meanings in this
Option Agreement.

I.  NOTICE OF STOCK OPTION GRANT
    ----------------------------

Optionee's Name
Optionee's Address

     You have been granted an option to purchase Common Stock of the Company,
subject to the terms and conditions of the Plan and this Stock Option Agreement,
as follows:

     Grant Number                            __________________

     Date of Grant                           __________________

     Vesting Commencement Date               __________________

     Exercise Price per Share                $
                                             ------------------

     Total Number of Shares Granted          __________________

     Total Exercise Price                    $
                                             ------------------

     Type of Option:                     ___ Incentive Stock Option

                                         ___ Nonstatutory Stock Option
                                        

     Term/Expiration Date:           _________________________


Vesting Schedule:
- ---------------- 

     This Option vests in accordance with the following schedule:

Termination Period:
- ------------------ 

     This Option may be exercised for ninety (90) days after termination of
employment or consulting relationship, or such longer period as may be
applicable upon death or Disability of
<PAGE>
 
Optionee as provided in the Plan, but in no event later than the Term/Expiration
Date as provided above.

II.  AGREEMENT
     ---------

     1.   Grant of Option.  The Plan Administrator of the Company hereby grants
          ---------------                                                      
to the Optionee named in the Notice of Grant attached as Part I of this
Agreement (the "Optionee"), an option (the "Option") to purchase a number of
Shares, as set forth in the Notice of Grant, at the exercise price per share set
forth in the Notice of Grant (the "Exercise Price"), subject to the terms and
conditions of the Plan, which is incorporated herein by reference.  Subject to
Section 14(c) of the Plan, in the event of a conflict between the terms and
conditions of the Plan and the terms and conditions of this Option Agreement,
the terms and conditions of the Plan shall prevail.

          If designated in the Notice of Grant as an Incentive Stock Option,
this Option is intended to qualify as an Incentive Stock Option under Section
422 of the Code.

     2.   Exercise of Option.
          ------------------ 

          (a) Right to Exercise.  This Option is exercisable during its term in
              -----------------                                                
accordance with the Vesting Schedule set out in the Notice of Grant and the
applicable provisions of the Plan and this Option Agreement; provided, however,
                                                             --------  ------- 
that upon execution of a Restricted Stock Agreement in the form of Exhibit A-1
hereto and upon compliance with the terms thereof, the Optionee may exercise
this Option with respect to unvested shares.  In the event of Optionee's death,
Disability or other termination of Optionee's employment or consulting
relationship, the exercisability of the Option is governed by the applicable
provisions of the Plan and this Option Agreement.

          (b) Method of Exercise.  This Option is exercisable by delivery of an
              ------------------                                               
exercise notice, in the form attached as Exhibit A (the "Exercise Notice"),
which shall state the election to exercise the Option, the number of Shares in
respect of which the Option is being exercised (the "Exercised Shares"), and
such other representations and agreements as may be required by the Company
pursuant to the provisions of the Plan.  The Exercise Notice shall be signed by
the Optionee and shall be delivered in person or by certified mail to the
Secretary of the Company.  The Exercise Notice shall be accompanied by payment
of the aggregate Exercise Price as to all Exercised Shares.  This Option shall
be deemed to be exercised upon receipt by the Company of such fully executed
Exercise Notice accompanied by such aggregate Exercise Price.

          No Shares shall be issued pursuant to the exercise of this Option
unless such issuance and exercise complies with all relevant provisions of law
and the requirements of any stock exchange upon which the Shares are then
listed.  Assuming such compliance, for income tax purposes the Exercised Shares
shall be considered transferred to the Optionee on the date the Option is
exercised with respect to such Exercised Shares.
<PAGE>
 
     3.   Method of Payment.  Payment of the aggregate Exercise Price shall be
          -----------------                                                   
by any of the following, or a combination thereof, at the election of the
Optionee:

          (a)  cash; or

          (b)  check; or

          (c)  delivery of a properly executed exercise notice together with
such other documentation as the Administrator and the Optionee's broker, if
applicable, shall require to effect an exercise of the Option and delivery to
the Company of the sale or loan proceeds required to pay the exercise price; or

          (d)  surrender of other Shares which (i) in the case of Shares
acquired upon exercise of an option, have been owned by the Optionee for more
than six (6) months on the date of surrender, AND (ii) have a Fair Market Value
on the date of surrender equal to the aggregate Exercise Price of the Exercised
Shares.

     4.   Transferability of Option.  This Option may not be transferred in any
          -------------------------                                            
manner otherwise than by will or by the laws of descent and distribution and may
be exercised during the lifetime of Optionee only by the Optionee. The terms of
the Plan and this Option Agreement shall be binding upon the executors,
administrators, heirs, successors and assigns of the Optionee.

     5.   Term of Option.  This Option may be exercised only within the term set
          --------------                                                        
out in the Notice of Grant, and may be exercised during such term only in
accordance with the Plan and the terms of this Option Agreement.

     6.   Tax Consequences.  Some of the federal tax consequences relating to
          ----------------                                                   
this Option, as of the date of this Option, are set forth below.  THIS SUMMARY
IS NECESSARILY INCOMPLETE, AND THE TAX LAWS AND REGULATIONS ARE SUBJECT TO
CHANGE. THE OPTIONEE SHOULD CONSULT A TAX ADVISER BEFORE EXERCISING THIS OPTION
OR DISPOSING OF THE SHARES.

          (a)  Exercising the Option.
               --------------------- 

               (i)  Nonqualified Stock Option ("NSO").  If this Option does not
                    ---------------------------------                          
qualify as an ISO, the Optionee may incur regular federal income tax liability
upon exercise.  The Optionee will be treated as having received compensation
income (taxable at ordinary income tax rates) equal to the excess, if any, of
the fair market value of the Exercised Shares on the date of exercise over their
aggregate Exercise Price.  If the Optionee is an employee, the Company will be
required to withhold from his or her compensation or collect from Optionee and
pay to the applicable taxing authorities an amount equal to a percentage of this
compensation income at the time of exercise.
<PAGE>
 
               (ii) Incentive Stock Option ("ISO").  If this Option qualifies
                    ------------------------------                           
as an ISO, the Optionee will have no regular federal income tax liability upon
its exercise, although the excess, if any, of the fair market value of the
Exercised Shares on the date of exercise over their aggregate Exercise Price
will be treated as an adjustment to the alternative minimum tax for federal tax
purposes and may subject the Optionee to alternative minimum tax in the year of
exercise.

          (b)  Disposition of Shares.
               --------------------- 

               (i)  NSO.  If the Optionee holds NSO Shares for at least one 
                    ---   
year, any gain realized on disposition of the Shares will be treated as long-
term capital gain for federal income tax purposes.

               (ii) ISO.  If the Optionee holds ISO Shares for at least one year
                    ---                                                         
after exercise AND two years after the grant date, any gain realized on
disposition of the Shares will be treated as long-term capital gain for federal
income tax purposes.  If the Optionee disposes of ISO Shares within one year
after exercise or two years after the grant date, any gain realized on such
disposition will be treated as compensation income (taxable at ordinary income
rates) to the extent of the excess, if any, of the LESSER OF (A) the difference
between the FAIR MARKET VALUE OF THE SHARES ACQUIRED ON THE DATE OF EXERCISE and
the aggregate Exercise Price, or (B) the difference between the SALE PRICE of
such Shares and the aggregate Exercise Price.

          (c)  Notice of Disqualifying Disposition of ISO Shares.  If the
               -------------------------------------------------         
Optionee sells or otherwise disposes of any of the Shares acquired pursuant to
an ISO on or before the later of (i) two years after the grant date, or (ii) one
year after the exercise date, the Optionee shall immediately notify the Company
in writing of such disposition.  The Optionee agrees that he or she may be
subject to income tax withholding by the Company on the compensation income
recognized from such early disposition of ISO Shares by payment in cash or out
of the current earnings paid to the Optionee.

     By your signature and the signature of the Company's representative below,
you and the Company agree that this Option is granted under and governed by the
terms and conditions of the Plan and this Option Agreement.  Optionee has
reviewed the Plan and this Option Agreement in their entirety, has had an
opportunity to obtain the advice of counsel prior to executing this Option
Agreement and fully understands all provisions of the Plan and Option Agreement.
Optionee hereby agrees to accept as binding, conclusive and final all decisions
or interpretations of the Administrator upon any questions relating to the Plan
and Option Agreement.


OPTIONEE:                           SEAGATE TECHNOLOGY, INC.

______________________________      By:___________________________
Signature

______________________________      Title:________________________
Print Name
<PAGE>
 
                          DESIGNATION OF BENEFICIARY
                          --------------------------

     In the event of my death, I hereby designate the following as my
beneficiary(ies) to receive all of my options that are unexercised at that time.


NAME:  (Please print) _____________________________________________
                       (First)         (Middle)       (Last)


_____________________         _____________________________________
Relationship
                              _____________________________________
                                   (Address)

Dated: ______________         _____________________________________
                                   Signature of Employee
<PAGE>
 
                               CONSENT OF SPOUSE
                               -----------------

     The undersigned spouse of Optionee has read and hereby approves the terms
and conditions of the Plan and this Option Agreement.  In consideration of the
Company's granting his or her spouse the right to purchase Shares as set forth
in the Plan and this Option Agreement, the undersigned hereby agrees to be
irrevocably bound by the terms and conditions of the Plan and this Option
Agreement and further agrees that any community property interest shall be
similarly bound.  The undersigned hereby appoints the undersigned's spouse as
attorney-in-fact for the undersigned with respect to any amendment or exercise
of rights under the Plan or this Option Agreement.


                                                  ______________________________
                                                  Spouse of Optionee
<PAGE>
 
                                   EXHIBIT A
                                   ---------


                       1991 INCENTIVE STOCK OPTION PLAN

                                EXERCISE NOTICE



Seagate Technology, Inc.
920 Disc Drive
Scotts Valley, California  95066

Attention:  Secretary

     1.   Exercise of Option.  Effective as of today, ___________, 199__, the
          ------------------                                                 
undersigned ("Purchaser") hereby elects to purchase _________ shares (the
"Shares") of the Common Stock of Seagate Technology, Inc. (the "Company") under
and pursuant to the 1991 Incentive Stock Option Plan (the "Plan") and the Stock
Option Agreement dated _______________ (the "Option Agreement").  The purchase
price for the Shares shall be $__________, as required by the Option Agreement.

     2.   Delivery of Payment.  Purchaser herewith delivers to the Company the
          -------------------                                             
full purchase price for the Shares.

     3.   Representations of Optionee.  Optionee acknowledges that Optionee has
          ---------------------------                                          
received, read and understood the Plan and the Option Agreement and agrees to
abide by and be bound by their terms and conditions.

     4.   Rights as Shareholder.  Subject to the terms and conditions of this
          ---------------------                                              
Agreement, Optionee shall have all of the rights of a shareholder of the Company
with respect to the Shares from and after the date that Optionee delivers full
payment of the Exercise Price until such time as Optionee disposes of the
Shares.

     5.   Tax Consultation.  Optionee understands that Optionee may suffer
          ----------------                                                
adverse tax consequences as a result of Optionee's purchase or disposition of
the Shares.  Optionee represents that Optionee has consulted with any tax
consultants Optionee deems advisable in connection with the purchase or
disposition of the Shares and that Optionee is not relying on the Company for
any tax advice.

     6.   Entire Agreement; Governing Law.  The Plan and Option Agreement are
          -------------------------------                                    
incorporated herein by reference.  This Exercise Notice, the Plan and the Option
Agreement constitute the entire agreement of the parties and supersede in their
entirety all prior undertakings and agreements of the
<PAGE>
 
Company and Optionee with respect to the subject matter hereof, and such
agreement is governed by Delaware law except for that body of law pertaining to
conflict of laws.



Submitted by:                           Accepted by:


OPTIONEE:                               SEAGATE TECHNOLOGY, INC.

______________________________          By:___________________________
Signature

______________________________          Its:__________________________
Print Name



Address:                                     Address:
- -------                                      ------- 

______________________________               920 Disc Drive
______________________________               Scotts Valley, California  95066
<PAGE>
 
                                  EXHIBIT A-1
                                  -----------

                       1991 INCENTIVE STOCK OPTION PLAN

                          RESTRICTED STOCK AGREEMENT


     Unless otherwise defined herein, the terms defined in the Plan shall have
the same defined meanings in this Restricted Stock Purchase Agreement.

     WHEREAS, the Purchaser named in the Notice of Grant, (the "Purchaser") is
an employee or consultant of the Company, and the Purchaser's continued
participation is considered by the Company to be important for the Company's
continued growth; and

     WHEREAS, in order to give the Purchaser an opportunity to acquire an equity
interest in the Company as an incentive for the Purchaser to participate in the
affairs of the Company, the Administrator has granted to the Purchaser the right
to exercise options relating to unvested shares subject to the terms and
conditions of the Plan and the Notice of Grant, which are incorporated herein by
reference, and pursuant to this restricted stock purchase agreement (the
"Agreement").

     THEREFORE, the parties agree as follows:

     1.   Sale of Stock.  The Company hereby agrees to sell to the Purchaser and
          -------------                                                         
the Purchaser hereby agrees to purchase shares of the Company's Common Stock
(the "Shares"), at the exercise price per share and as otherwise described in
the Notice of Grant.

     2.   Payment of Purchase Price.  The purchase price for the Shares may be
          -------------------------                                           
paid by delivery to the Company at the time of execution of this Agreement by
any of the following, or a combination thereof, at the election of the Optionee:
(a) cash; (b) check; or (c) surrender of other Shares which (i) in the case of
Shares acquired upon exercise of an option, have been owned by the Optionee for
more than six (6) months on the date of surrender, AND (ii) have a Fair Market
Value on the date of surrender equal to the aggregate Exercise Price of the
Exercised Shares.

     3.   Repurchase Option.
          ----------------- 

          a.   In the event the Purchaser's Continuous Status as an Employee or
Consultant terminates for any or no reason (including death or disability)
before all of the Shares are released from the Company's repurchase option (see
Section 4), the Company shall, upon the date of such termination (as reasonably
fixed and determined by the Company) have an irrevocable, exclusive option for a
period of sixty (60) days from such date to repurchase up to that number of
shares which constitute the Unreleased Shares (as defined in Section 4) at the
original purchase price per share (the "Repurchase Price").  Said option shall
be exercised by the Company by delivering written notice to the Purchaser or the
Purchaser's executor (with a copy to the Escrow Holder) AND, at the Company's
option, (i) by delivering to the Purchaser or the Purchaser's executor a check
in the amount of the aggregate Repurchase Price, or (ii) by the Company
canceling an amount of the
<PAGE>
 
Purchaser's indebtedness to the Company equal to the aggregate Repurchase Price,
or (iii) by a combination of (i) and (ii) so that the combined payment and
cancellation of indebtedness equals such aggregate Repurchase Price. Upon
delivery of such notice and the payment of the aggregate Repurchase Price in any
of the ways described above, the Company shall become the legal and beneficial
owner of the Shares being repurchased and all rights and interests therein or
relating thereto, and the Company shall have the right to retain and transfer to
its own name the number of Shares being repurchased by the Company.

          b.   Whenever the Company shall have the right to repurchase Shares
hereunder, the Company may designate and assign one or more employees, officers,
directors or shareholders of the Company or other persons or organizations to
exercise all or a part of the Company's purchase rights under this Agreement and
purchase all or a part of such Shares; provided that if the Fair Market Value of
the Shares to be repurchased on the date of such designation or assignment (the
"Repurchase FMV") exceeds the aggregate Repurchase Price of such Shares, then
each such designee or assignee shall pay the Company cash equal to the
difference between the Repurchase FMV and the aggregate Repurchase Price of such
Shares.

     4.   Release of Shares From Repurchase Option.
          ---------------------------------------- 

          a.   ___________________ (_______) of the Shares shall be released
from the Company's repurchase option
_________________________________________________________________, provided in
each case that the Purchaser's Continuous Status as an Employee or Consultant
has not terminated prior to the date of any such release.

          b.   Any of the Shares which have not yet been released from the
Company's repurchase option are referred to herein as "Unreleased Shares."

          c.   The Shares which have been released from the Company's repurchase
option shall be delivered to the Purchaser at the Purchaser's request (see
Section 6).

     5.   Restriction on Transfer.  Except for the escrow described in Section 6
          -----------------------                                               
or transfer of the Shares to the Company or its assignees contemplated by this
Agreement, none of the Shares or any beneficial interest therein shall be
transferred, encumbered or otherwise disposed of in any way until the release of
such Shares from the Company's repurchase option in accordance with the
provisions of this Agreement, other than by will or the laws of descent and
distribution.

     6.   Escrow of Shares.
          ---------------- 

          a.   To ensure the availability for delivery of the Purchaser's
Unreleased Shares upon repurchase by the Company pursuant to the Company's
repurchase option under Section 3 above, the Purchaser shall, upon execution of
this Agreement, deliver and deposit with an escrow holder designated by the
Company (the "Escrow Holder") the share certificates representing the Unreleased
Shares, together with the stock assignment duly endorsed in blank, attached
hereto as Exhibit A-2.  The Unreleased Shares and stock assignment shall be held
by the Escrow Holder, pursuant to the Joint Escrow Instructions of the Company
and Purchaser attached as Exhibit A-3
<PAGE>
 
hereto, until such time as the Company's repurchase option expires. As a further
condition to the Company's obligations under this Agreement, the spouse of
Purchaser, if any, shall execute and deliver to the Company the Consent of
Spouse attached hereto as Exhibit A-4.

          b.   The Escrow Holder shall not be liable for any act it may do or
omit to do with respect to holding the Unreleased Shares in escrow and while
acting in good faith and in the exercise of its judgment.

          c.   If the Company or any assignee exercises its repurchase option
hereunder, the Escrow Holder, upon receipt of written notice of such option
exercise from the proposed transferee, shall take all steps necessary to
accomplish such transfer.

          d.   When the repurchase option has been exercised or expires
unexercised or a portion of the Shares has been released from such repurchase
option, upon Purchaser's request the Escrow Holder shall promptly cause a new
certificate to be issued for such released Shares and shall deliver such
certificate to the Company or the Purchaser, as the case may be.

          e.   Subject to the terms hereof, the Purchaser shall have all the
rights of a shareholder with respect to such Shares while they are held in
escrow, including without limitation, the right to vote the Shares and receive
any cash dividends declared thereon.  If, from time to time during the term of
the Company's repurchase option, there is (i) any stock dividend, stock split or
other change in the Shares, or (ii) any merger or sale of all or substantially
all of the assets or other acquisition of the Company, any and all new,
substituted or additional securities to which the Purchaser is entitled by
reason of the Purchaser's ownership of the Shares shall be immediately subject
to this escrow, deposited with the Escrow Holder and included thereafter as
"Shares" for purposes of this Agreement and the Company's repurchase option.

     7.   Legends.  The share certificate evidencing the Shares issued hereunder
          -------                                                               
shall be endorsed with the following legend (in addition to any legend required
under applicable state securities laws):

     THE SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO CERTAIN
RESTRICTIONS UPON TRANSFER AND RIGHTS OF REPURCHASE AS SET FORTH IN AN AGREEMENT
BETWEEN THE COMPANY AND THE SHAREHOLDER, A COPY OF WHICH IS ON FILE WITH THE
SECRETARY OF THE COMPANY.

     8.   Adjustment for Stock Split.  All references to the number of Shares
          --------------------------                                         
and the purchase price of the Shares in this Agreement shall be appropriately
adjusted to reflect any stock split, stock dividend or other change in the
Shares which may be made by the Company after the date of this Agreement.

     9.   Tax Consequences.  The Purchaser has reviewed with the Purchaser's own
          ----------------                                                      
tax advisors the federal, state, local and foreign tax consequences of this
investment and the transactions contemplated by this Agreement.  The Purchaser
is relying solely on such advisors and not on any statements or representations
of the Company or any of its agents.  The Purchaser understands that
<PAGE>
 
the Purchaser (and not the Company) shall be responsible for the Purchaser's own
tax liability that may arise as a result of this investment or the transactions
contemplated by this Agreement. The Purchaser understands that Section 83 of the
Internal Revenue Code of 1986, as amended (the "Code"), taxes as ordinary income
the difference between the purchase price for the Shares and the Fair Market
Value of the Shares as of the date any restrictions on the Shares lapse. In this
context, "restriction" includes the right of the Company to buy back the Shares
pursuant to its repurchase option. The Purchaser understands that the Purchaser
may elect to be taxed at the time the Shares are purchased rather than when and
as the Company's repurchase option expires by filing an election under Section
83(b) of the Code with the I.R.S. within 30 days from the date of purchase. The
form for making this election is attached as Exhibit A-5 hereto.

          THE PURCHASER ACKNOWLEDGES THAT IT IS THE PURCHASER'S SOLE
RESPONSIBILITY AND NOT THE COMPANY'S TO FILE TIMELY THE ELECTION UNDER SECTION
83(b), EVEN IF THE PURCHASER REQUESTS THE COMPANY OR ITS REPRESENTATIVES TO MAKE
THIS FILING ON THE PURCHASER'S BEHALF.

     10.  General Provisions.
          ------------------ 

          a.   This Agreement shall be governed by the laws of the State of
California.  This Agreement, subject to the terms and conditions of the Plan and
the Notice of Grant, represents the entire agreement between the parties with
respect to the purchase of Common Stock by the Purchaser.  Subject to Section
15(c) of the Plan, in the event of a conflict between the terms and conditions
of the Plan and the terms and conditions of this Agreement, the terms and
conditions of the Plan shall prevail.  Unless otherwise defined herein, the
terms defined in the Plan shall have the same defined meanings in this
Agreement.

          b.   Any notice, demand or request required or permitted to be given
by either the Company or the Purchaser pursuant to the terms of this Agreement
shall be in writing and shall be deemed given when delivered personally or
deposited in the U.S. mail, First Class with postage prepaid, and addressed to
the parties at the addresses of the parties set forth at the end of this
Agreement or such other address as a party may request by notifying the other in
writing.

          Any notice to the Escrow Holder shall be sent to the Company's address
with a copy to the other party not sending the notice.

          c.   The rights and benefits of the Company under this Agreement shall
be transferable to any one or more persons or entities, and all covenants and
agreements hereunder shall inure to the benefit of, and be enforceable by the
Company's successors and assigns.  The rights and obligations of the Purchaser
under this Agreement may only be assigned with the prior written consent of the
Company.

          d.   Either party's failure to enforce any provision or provisions of
this Agreement shall not in any way be construed as a waiver of any such
provision or provisions, nor prevent that party from thereafter enforcing each
and every other provision of this Agreement.  The rights granted
<PAGE>
 
both parties herein are cumulative and shall not constitute a waiver of either
party's right to assert all other legal remedies available to it under the
circumstances.

          e.   The Purchaser agrees upon request to execute any further
documents or instruments necessary or desirable to carry out the purposes or
intent of this Agreement.

          f.   PURCHASER ACKNOWLEDGES AND AGREES THAT THE VESTING OF SHARES
PURSUANT TO SECTION 4 HEREOF IS EARNED ONLY BY CONTINUING SERVICE AS AN EMPLOYEE
OR CONSULTANT AT THE WILL OF THE COMPANY (NOT THROUGH THE ACT OF BEING HIRED OR
PURCHASING SHARES HEREUNDER). PURCHASER FURTHER ACKNOWLEDGES AND AGREES THAT
THIS AGREEMENT, THE TRANSACTIONS CONTEMPLATED HEREUNDER AND THE VESTING SCHEDULE
SET FORTH HEREIN DO NOT CONSTITUTE AN EXPRESS OR IMPLIED PROMISE OF CONTINUED
ENGAGEMENT AS AN EMPLOYEE OR CONSULTANT FOR THE VESTING PERIOD, FOR ANY PERIOD,
OR AT ALL, AND SHALL NOT INTERFERE WITH PURCHASER'S RIGHT OR THE COMPANY'S RIGHT
TO TERMINATE PURCHASER'S EMPLOYMENT OR CONSULTING RELATIONSHIP AT ANY TIME, WITH
OR WITHOUT CAUSE.


     By Purchaser's signature below, Purchaser represents that he or she is
familiar with the terms and provisions of the Plan, and hereby accepts this
Agreement subject to all of the terms and provisions thereof.  Purchaser has
reviewed the Plan and this Agreement in their entirety, has had an opportunity
to obtain the advice of counsel prior to executing this Agreement and fully
understands all provisions of this Agreement.  Purchaser agrees to accept as
binding, conclusive and final all decisions or interpretations of the
Administrator upon any questions arising under the Plan or this Agreement.
Purchaser further agrees to notify the Company upon any change in the residence
indicated in the Notice of Grant.


PURCHASER:                              SEAGATE TECHNOLOGY, INC.


______________________________          By:____________________________
Signature

______________________________          Title:_________________________
Print Name
<PAGE>
 
                                  EXHIBIT A-2
                                  -----------

                     ASSIGNMENT SEPARATE FROM CERTIFICATE



     FOR VALUE RECEIVED I, __________________________, hereby sell, assign and
transfer unto__________________________________________ (__________) shares of
the Common Stock of Seagate Technology, Inc. standing in my name of the books of
said corporation represented by Certificate No. _____ herewith and do hereby
irrevocably constitute and appoint _____________________________________________
to transfer the said stock on the books of the within named corporation with
full power of substitution in the premises.

     This Stock Assignment may be used only in accordance with the Restricted
Stock Purchase Agreement between Seagate Technology, Inc. and the undersigned
dated ______________, 19__.


Dated: _______________, 19__


                                   Signature:______________________________



INSTRUCTIONS:  Please do not fill in any blanks other than the signature line.
The purpose of this assignment is to enable the Company to exercise its
"repurchase option," as set forth in the Agreement, without requiring additional
signatures on the part of the Purchaser.
<PAGE>
 
                                  EXHIBIT A-3
                                  -----------

                           JOINT ESCROW INSTRUCTIONS
                           -------------------------


                                                          ________________, 19__


Seagate Technology, Inc.
920 Disc Drive
Scotts Valley, California 95066
Attention:  Secretary

Dear Secretary:

     As Escrow Agent for both Seagate Technology, Inc., a Delaware corporation
(the "Company"), and the undersigned purchaser of stock of the Company (the
"Purchaser"), you are hereby authorized and directed to hold the documents
delivered to you pursuant to the terms of that certain Restricted Stock Purchase
Agreement ("Agreement") between the Company and the undersigned, in accordance
with the following instructions:

     1.   In the event the Company and/or any assignee of the Company (referred
to collectively for convenience herein as the "Company") exercises the Company's
repurchase option set forth in the Agreement, the Company shall give to
Purchaser and you a written notice specifying the number of shares of stock to
be purchased, the purchase price, and the time for a closing hereunder at the
principal office of the Company.  Purchaser and the Company hereby irrevocably
authorize and direct you to close the transaction contemplated by such notice in
accordance with the terms of said notice.

     2.   At the closing, you are directed (a) to date the stock assignments
necessary for the transfer in question, (b) to fill in the number of shares
being transferred, and (c) to deliver same, together with the certificate
evidencing the shares of stock to be transferred, to the Company or its
assignee, against the simultaneous delivery to you of the purchase price (by
cash, a check, or some combination thereof) for the number of shares of stock
being purchased pursuant to the exercise of the Company's repurchase option.

     3.   Purchaser irrevocably authorizes the Company to deposit with you any
certificates evidencing shares of stock to be held by you hereunder and any
additions and substitutions to said shares as defined in the Agreement.
Purchaser does hereby irrevocably constitute and appoint you as Purchaser's
attorney-in-fact and agent for the term of this escrow to execute with respect
to such securities all documents necessary or appropriate to make such
securities negotiable and to complete any transaction herein contemplated,
including but not limited to the filing with any applicable state blue sky
authority of any required applications for consent to, or notice of transfer of,
the securities. Subject to the provisions of this paragraph 3, Purchaser shall
exercise all rights and privileges of a shareholder of the Company while the
stock is held by you.
<PAGE>
 
     4.   Upon written request of the Purchaser, but no more than once per
calendar year, unless the Company's repurchase option has been exercised, you
will deliver to Purchaser a certificate or certificates representing so many
shares of stock as are not then subject to the Company's repurchase option.
Within 90 days after cessation of Purchaser's continuous employment by or
services to the Company, or any parent or subsidiary of the Company, you will
deliver to Purchaser a certificate or certificates representing the aggregate
number of shares held or issued pursuant to the Agreement and not purchased by
the Company or its assignees pursuant to exercise of the Company's repurchase
option.

     5.   If at the time of termination of this escrow you should have in your
possession any documents, securities, or other property belonging to Purchaser,
you shall deliver all of the same to Purchaser and shall be discharged of all
further obligations hereunder.

     6.   Your duties hereunder may be altered, amended, modified or revoked
only by a writing signed by all of the parties hereto.

     7.   You shall be obligated only for the performance of such duties as are
specifically set forth herein and may rely and shall be protected in relying or
refraining from acting on any instrument reasonably believed by you to be
genuine and to have been signed or presented by the proper party or parties.
You shall not be personally liable for any act you may do or omit to do
hereunder as Escrow Agent or as attorney-in-fact for Purchaser while acting in
good faith, and any act done or omitted by you pursuant to the advice of your
own attorneys shall be conclusive evidence of such good faith.

     8.   You are hereby expressly authorized to disregard any and all warnings
given by any of the parties hereto or by any other person or corporation,
excepting only orders or process of courts of law and are hereby expressly
authorized to comply with and obey orders, judgments or decrees of any court.
In case you obey or comply with any such order, judgment or decree, you shall
not be liable to any of the parties hereto or to any other person, firm or
corporation by reason of such compliance, notwithstanding any such order,
judgment or decree being subsequently reversed, modified, annulled, set aside,
vacated or found to have been entered without jurisdiction.

     9.   You shall not be liable in any respect on account of the identity,
authorities or rights of the parties executing or delivering or purporting to
execute or deliver the Agreement or any documents or papers deposited or called
for hereunder.

     10.  You shall not be liable for the outlawing of any rights under the
Statute of Limitations with respect to these Joint Escrow Instructions or any
documents deposited with you.

     11.  You shall be entitled to employ such legal counsel and other experts
as you may deem necessary properly to advise you in connection with your
obligations hereunder, may rely upon the advice of such counsel, and may pay
such counsel reasonable compensation therefor.
<PAGE>
 
     12.  Your responsibilities as Escrow Agent hereunder shall terminate if you
shall cease to be an officer or agent of the Company or if you shall resign by
written notice to each party.  In the event of any such termination, the Company
shall appoint a successor Escrow Agent.

     13.  If you reasonably require other or further instruments in connection
with these Joint Escrow Instructions or obligations in respect hereto, the
necessary parties hereto shall join in furnishing such instruments.

     14.  It is understood and agreed that should any dispute arise with respect
to the delivery and/or ownership or right of possession of the securities held
by you hereunder, you are authorized and directed to retain in your possession
without liability to anyone all or any part of said securities until such
disputes shall have been settled either by mutual written agreement of the
parties concerned or by a final order, decree or judgment of a court of
competent jurisdiction after the time for appeal has expired and no appeal has
been perfected, but you shall be under no duty whatsoever to institute or defend
any such proceedings.

     15.  Any notice required or permitted hereunder shall be given in writing
and shall be deemed effectively given upon personal delivery or upon deposit in
the United States Post Office, by registered or certified mail with postage and
fees prepaid, addressed to each of the other parties thereunto entitled at the
following addresses or at such other addresses as a party may designate by ten
days' advance written notice to each of the other parties hereto.

          COMPANY:       Seagate Technology, Inc.
                         920 Disc Drive
                         Scotts Valley, California 95066

          PURCHASER:     __________________________________

          ESCROW AGENT:  Seagate Technology, Inc.
                         920 Disc Drive
                         Scotts Valley, California 95066
                         Attention:  Secretary

     16.  By signing these Joint Escrow Instructions, you become a party hereto
only for the purpose of said Joint Escrow Instructions; you do not become a
party to the Agreement.

     17.  This instrument shall be binding upon and inure to the benefit of the
parties hereto, and their respective successors and permitted assigns.
<PAGE>
 
     18.  These Joint Escrow Instructions shall be governed by, and construed
and enforced in accordance with, the laws of the State of California.

                                   Very truly yours,

                                   SEAGATE TECHNOLOGY, INC.


                                   By:  ________________________________
 

                                   Title:  _____________________________


                                   PURCHASER:


                                   _____________________________________
                                              (Signature)

                                   _____________________________________
                                         (Typed or Printed Name)

ESCROW AGENT:


____________________________
Secretary
<PAGE>
 
                                  EXHIBIT A-4
                                  -----------

                               CONSENT OF SPOUSE
                               -----------------


     I, ____________________, spouse of ___________________, have read and
approve the foregoing Agreement.  In consideration of granting of the right to
my spouse to purchase shares of Seagate Technology, Inc., as set forth in the
Agreement, I hereby appoint my spouse as my attorney-in-fact in respect to the
exercise of any rights under the Agreement and agree to be bound by the
provisions of the Agreement insofar as I may have any rights in said Agreement
or any shares issued pursuant thereto under the community property laws or
similar laws relating to marital property in effect in the state of our
residence as of the date of the signing of the foregoing Agreement.

Dated: _______________, 19____


                                        ______________________________
<PAGE>
 
                                  EXHIBIT A-5
                                  -----------
                         ELECTION UNDER SECTION 83(b)
                         ----------------------------
                      OF THE INTERNAL REVENUE CODE OF 1986
                      ------------------------------------

The undersigned taxpayer hereby elects, pursuant to the above-referenced Federal
Tax Code, to include in taxpayer's gross income for the current taxable year,
the amount of any compensation taxable to taxpayer in connection with his
receipt of the property described below:

1.   The name, address, taxpayer identification number and taxable year of the
     undersigned are as follows:

     NAME        :       TAXPAYER:                SPOUSE:

     ADDRESS:    :

     IDENTIFICATION NO.: TAXPAYER:                SPOUSE:

     TAXABLE YEAR:

2.   The property with respect to which the election is made is described as
     follows: __________ shares (the "Shares") of the Common Stock of Seagate
     Technology, Inc. (the "Company").

3.   The date on which the property was transferred is: ______________, 19__.

4.   The property is subject to the following restrictions:

     The Shares may be repurchased by the Company, or its assignee, on certain
     events. This right lapses with regard to a portion of the Shares based on
     the continued performance of services by the taxpayer over time.

5.   The fair market value at the time of transfer, determined without regard to
     any restriction other than a restriction which by its terms will never
     lapse, of such property is:
     $_______________.

6.   The amount (if any) paid for such property is:

     $_______________.

The undersigned has submitted a copy of this statement to the person for whom
the services were performed in connection with the undersigned's receipt of the
above-described property.  The transferee of such property is the person per
forming the services in connection with the transfer of said property.
The undersigned understands that the foregoing election may not be revoked
- --------------------------------------------------------------------------
except with the consent of the Commissioner.
- ------------------------------------------- 

Dated:  _______________, 19__                ___________________________________
                                             _________________________, Taxpayer

The undersigned spouse of taxpayer joins in this election.

Dated:  _______________, 19__                ___________________________________
                                             Spouse of Taxpayer

<PAGE>
 
                                                                     Exhibit 5.1

                      WILSON SONSINI GOODRICH & ROSATI
                          PROFESSIONAL CORPORATION

                             650 PAGE MILL ROAD
                      PALO ALTO, CALIFORNIA 94304-1050
                TELEPHONE 650-493-9300 FACSIMILE 650-493-6811
                                WWW.WSGR.COM

                               November 12, 1997


Seagate Technology, Inc.
920 Disc Drive
Scotts Valley, CA  95066

Ladies and Gentlemen:

     We have examined the Registration Statement on Form S-8 to be filed by you
with the Securities and Exchange Commission on or about November 12, 1997, in
connection with the registration under the Securities Act of 1933, as amended,
of 15,000,000 additional shares of your Common Stock reserved for issuance under
the 1991 Incentive Stock Option Plan (the "Plan").

     As your legal counsel, we have examined the proceedings taken and are
familiar with the proceedings proposed to be taken by you in connection with the
sale and issuance of said shares.  It is our opinion that the additional shares,
when issued and sold in the manner referred to in the Plan and pursuant to the
agreements which accompany the Plan, will be legally and validly issued, fully
paid and nonassessable.

     We consent to the use of this opinion as an exhibit to said Registration
Statement and further consent to the use of our name wherever appearing in said
Registration Statement and any amendments thereto.

                              Very truly yours,

                              WILSON SONSINI GOODRICH & ROSATI
                              Professional Corporation

                              /s/ Wilson Sonsini Goodrich & Rosati

<PAGE>
 
                                                                    Exhibit 23.2


              CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS


We consent to the incorporation by reference in the Registration Statement (Form
S-8) pertaining to the 1991 Stock Incentive Plan of Seagate Technology, Inc. of 
our report dated July 9, 1997, except for the second paragraph of the Business 
Litigation note as to which the date is July 24, 1997, the third paragraph of
the Stock Option Plans note as to which the date is July 29, 1997, and the
Subsequent Events note as to which the date is August 15, 1997, incorporated by
reference in its Annual Report (Form 10-K) for the year ended June 27, 1997, and
the related financial statement schedule included therein, filed with the
Securities and Exchange Commission.

/S/ Ernst & Young LLP
- --------------------------------
Ernst & Young LLP
San Jose, California
November 11, 1997

<PAGE>
 
                                                                    EXHIBIT 23.3


                      CONSENT OF INDEPENDENT ACCOUNTANTS
                         FOR SEAGATE PERIPHERALS, INC.
                      (FORMERLY CONNER PERIPHERALS, INC.]


We hereby consent to the incorporation by reference in this Registration 
Statement on Form S-8 of Seagate Technology, Inc. of our report dated January 
15, 1996, except for Note 6, Note 10, and Note 16 which are dated as of 
February 28, 1996, relating to the consolidated financial statements of Seagate 
Peripherals, Inc. (formerly Conner Peripherals, Inc.) which appears on page 24 
of Seagate Technology, Inc.'s Annual Report on Form 10-K for the year ended June
27, 1997. We also consent to the incorporation by reference of our report on the
Financial Statement Schedule of Seagate Peripherals, Inc. (formerly Conner
Peripherals, Inc.) which appears on page 25 of such Annual Report on Form 10-K.


/s/ PRICE WATERHOUSE LLP
- ------------------------------
PRICE WATERHOUSE LLP
San Jose, California
November 11, 1997


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