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Exhibit 4.2

 
 

INKTOMI CORPORATION
  1998 STOCK PLAN
  (Updated December 30, 1999, Amended March 29, 2000 and September 12, 2000)    
  

        1.    Purposes of the Plan.    The purposes of this Stock Plan are (i) to attract and retain the best available
personnel for positions of substantial responsibility, (ii) to provide additional incentive to Employees, Directors and Consultants, and (iii) 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. Stock Purchase Rights may also be
granted under the Plan. 

        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 requirements relating to the administration of stock option plans under U.S. state corporate laws, U.S. federal and state securities laws,
the Code, any stock exchange or quotation system on which the Common Stock is listed or quoted and the applicable laws of any foreign country or jurisdiction where Options or Stock Purchase Rights
are, or will be, granted under the Plan. 

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

        (d)  "Cause"
means (i) any act of personal dishonesty taken by the Optionee in connection with his responsibilities as a Service Provider and intended to result in
substantial personal enrichment of the Optionee, (ii) the conviction of a felony, (iii) a willful act by the Optionee that constitutes gross misconduct and that is injurious to the
Company, (iv) for a period of not less than thirty (30) days following delivery to the Optionee of a written demand for performance from the Company that
describes the basis for the Company's belief that the Optionee has not substantially performed his duties, continued violations by the Optionee of the Optionee's obligations to the Company that are
demonstrably willful and deliberate on the Optionee's part or (v) as otherwise provided in the Option Agreement. 

        (e)  "Change
of Control" shall mean the occurrence of any of the following: 

          (i)  Any
"person" (as such term is used in Sections 13(d) and 14(d) of the Exchange Act) becomes the "beneficial owner" (as defined in Rule 13d-3 under
the Exchange Act), directly or indirectly, of securities of the Company representing more than fifty percent (50%) of the total voting power represented by the Company's then outstanding voting
securities entitled to vote generally in the election of directors; 

        (ii)  Any
action or event occurring within a two-year period, 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 hereof, or (B) are elected, or nominated for election, to the Board 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); 

        (iii)  The
consummation of 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 or entity
that controls such surviving entity) at least fifty percent (50%) of the total voting power 

 

represented by the voting securities of the Company, such surviving entity or the entity that controls such surviving entity outstanding immediately after such merger or consolidation; or 

        (iv)  The
consummation of the sale or disposition by the Company of all or substantially all of the Company's assets. 

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

        (g)  "Committee"
means a committee of Directors appointed by the Board in accordance with Section 4 of the Plan. 

        (h)  "Common
Stock" means the common stock of the Company. 

        (i)    "Company"
means Inktomi Corporation, a Delaware corporation. 

        (j)    "Consultant"
means any person, including an advisor, engaged by the Company or a Parent or Subsidiary to render services to such entity. 

        (k)  "Director"
means a member of the Board. 

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

        (m)  "Employee"
means any person, including Officers and Directors, employed by the Company or any Parent or Subsidiary of the Company. A Service Provider shall not cease to
be an Employee in the case of (i) any leave of absence approved by the Company or (ii) transfers between locations of the Company or between the Company, its Parent, any Subsidiary, or
any successor. For purposes of Incentive Stock Options, no such leave may exceed ninety days, unless reemployment upon expiration of such leave is guaranteed by statute or contract. If reemployment
upon expiration of a leave of absence approved by the Company is not so guaranteed, on the 181st day of such leave any Incentive Stock Option held by the Optionee shall cease to be treated as an
Incentive Stock Option and shall be treated for tax purposes as a Nonstatutory Stock Option. Neither service as a Director nor payment of a director's fee by the Company shall be sufficient to
constitute "employment" by the Company. 

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

        (o)  "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 Nasdaq National Market or The Nasdaq
SmallCap Market of The Nasdaq Stock Market, its Fair Market Value shall be the closing sales price for such stock (or the closing bid, if no sales were reported) as quoted on such exchange or system
for the last market trading
day prior to the time of determination, as reported in The Wall Street Journal or such other source as the Administrator deems reliable; 

        (ii)  If
the Common Stock 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; or 

        (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. 

        (p)  "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. 

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

        (r)  "Notice
of Grant" means a written or electronic notice evidencing certain terms and conditions of an individual Option or Stock Purchase Right grant. The Notice of Grant
is part of the Option Agreement. 

        (s)  "Officer"
means a person who is an officer of the Company within the meaning of Section 16 of the Exchange Act and the rules and regulations promulgated
thereunder. 

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

        (u)  "Option
Agreement" means an 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. 

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

        (w)  "Optioned
Stock" means the Common Stock subject to an Option or Stock Purchase Right. 

        (x)  "Optionee"
means the holder of an outstanding Option or Stock Purchase Right granted under the Plan. 

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

        (z)  "Plan"
means this 1998 Stock Plan. 

        (aa) "Restricted
Stock" means shares of Common Stock acquired pursuant to a grant of Stock Purchase Rights under Section 11 of the Plan. 

        (bb) "Restricted
Stock Purchase Agreement" means a written agreement between the Company and the Optionee evidencing the terms and restrictions applying to stock purchased
under a Stock Purchase Right. The Restricted Stock Purchase Agreement is subject to the terms and conditions of the Plan and the Notice of Grant. 

        (cc) "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. 

        (dd) "Section 16(b)"
means Section 16(b) of the Exchange Act. 

        (ee) "Service
Provider" means an Employee, Director or Consultant. 

        (ff)  "Share"
means a share of the Common Stock, as adjusted in accordance with Section 13 of the Plan. 

        (gg) "Stock
Purchase Right" means the right to purchase Common Stock pursuant to Section 11 of the Plan, as evidenced by a Notice of Grant. 

        (hh) "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 and sold under the Plan is 4,000,000 Shares, plus an annual increase to be added on each anniversary date of the adoption of the Plan equal to the lesser of
(i) the number of Shares needed to restore the maximum aggregate number of Shares which may be optioned and sold under the Plan to 4,000,000 Shares or (ii) a lesser amount determined by
the Board. The Shares may be authorized, but unissued, or reacquired Common Stock. If an Option or 

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Stock Purchase Right 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); provided, however, that Shares that have actually been issued under the Plan, whether upon
exercise of an Option or Right, shall not be returned to the Plan and shall not become available for future distribution under the Plan, except that if Shares of Restricted Stock are repurchased by
the Company at their original purchase price, such Shares shall become available for future grant under the Plan. 

        4.    Administration of the Plan.    

        (a)  Procedure.

          (i)  Multiple
Administrative Bodies. The Plan may be administered by different Committees with respect to different groups of Service Providers. 

        (ii)  Section 162(m).
To the extent that the Administrator determines it to be desirable to qualify Options granted hereunder as "performance-based compensation"
within the meaning of Section 162(m) of the Code, the Plan shall be administered by a Committee of two or more "outside directors" within the meaning of Section 162(m) of the Code. 

        (iii)  Rule 16b-3.
To the extent desirable to qualify transactions hereunder as exempt under Rule 16b-3, the transactions contemplated
hereunder shall be structured to satisfy the requirements for exemption under Rule 16b-3. 

        (iv)  Other
Administration. Other than as provided above, the Plan shall be administered by (A) the Board or (B) a Committee, which committee shall be
constituted to satisfy 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: 

          (i)  to
determine the Fair Market Value; 

        (ii)  to
select the Service Providers to whom Options and Stock Purchase Rights may be granted hereunder; 

        (iii)  to
determine the number of shares of Common Stock to be covered by each Option and Stock Purchase Right granted hereunder; 

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

        (v)  to
determine the terms and conditions, not inconsistent with the terms of the Plan, of any Option or Stock Purchase Right granted hereunder. Such terms and conditions
include, but are not limited to, the exercise price, the time or times when Options or Stock Purchase Rights 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 Stock Purchase Right or the shares of Common Stock relating thereto, based in each case on such factors as
the Administrator, in its sole discretion, shall determine; 

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

      (vii)  to
institute an Option Exchange Program; 

      (viii)  to
construe and interpret the terms of the Plan and awards granted pursuant to the Plan; 

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        (ix)  to
prescribe, amend and rescind rules and regulations relating to the Plan, including rules and regulations relating to sub-plans established for the
purpose of qualifying for preferred tax treatment under foreign tax laws; 

        (x)  to
modify or amend each Option or Stock Purchase Right (subject to Section 15(c) of the Plan), including the discretionary authority to extend the
post-termination exercisability period of Options longer than is otherwise provided for in the Plan; 

        (xi)  to
allow Optionees to satisfy withholding tax obligations by electing to have the Company withhold from the Shares to be issued upon exercise of an Option or Stock
Purchase Right that number of Shares having a Fair Market Value equal to the amount required to be withheld. The Fair Market Value of the Shares to be withheld shall be determined on the date that the
amount of tax to be withheld is to be determined. All elections by an Optionee to have Shares withheld for this purpose shall be made in such form and under such conditions as the Administrator may
deem necessary or advisable; 

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

      (xiii)  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 or Stock Purchase Rights. 

        5.    Eligibility.    Nonstatutory Stock Options and Stock Purchase Rights may be granted to Service Providers.
Incentive Stock Options may be granted only to Employees. 

        6.    Limitations.    

        (a)  Each
Option shall be designated in the Option Agreement as either an Incentive Stock Option or a Nonstatutory Stock Option. However, notwithstanding such designation, to
the extent that the aggregate Fair Market Value of the Shares with respect to which Incentive Stock Options are exercisable for the first time by the Optionee during any calendar year (under all plans
of the Company and any Parent or Subsidiary) exceeds $100,000, such 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. The Fair Market Value of the Shares shall be determined as of the time the Option with respect to such Shares is granted. 

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

        (c)  The
following limitations shall apply to grants of Options: 

          (i)  No
Service Provider shall be granted, in any fiscal year of the Company, Options to purchase more than 2,000,000 Shares. 

        (ii)  In
connection with his or her initial service, a Service Provider may be granted Options to purchase up to an additional 1,000,000 Shares which shall not count against
the limit set forth in subsection (i) above. 

        (iii)  The
foregoing limitations shall be adjusted proportionately in connection with any change in the Company's capitalization as described in Section 13. 

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        (iv)  If
an Option is cancelled in the same fiscal year of the Company in which it was granted (other than in connection with a transaction described in Section 13),
the cancelled Option will be counted against the limits set forth in subsections (i) and (ii) above. For this purpose, if the exercise price of an Option is reduced, the transaction will
be treated as a cancellation of the Option and the grant of a new Option. 

        7.    Term of Plan.    Subject to Section 19 of the Plan, the Plan shall become effective upon its adoption by
the Board. It shall continue in effect for a term of ten (10) years unless terminated earlier under Section 15 of the Plan. 

        8.    Term of Option.    The term of each Option shall be stated in the Option Agreement. 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 Option Agreement. 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 total combined 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 Option Agreement. 

        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 other than an Employee described in paragraph (A) immediately above, 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 determined by the Administrator. In the case of a Nonstatutory Stock Option intended
to qualify as "performance-based compensation" within the meaning of Section 162(m) of the Code, the per Share exercise price shall be no less than 100% of the Fair Market Value per Share on
the date of grant. 

        (iii)  Notwithstanding
the foregoing, Options may be granted with a per Share exercise price of less than 100% of the Fair Market Value per Share on the date of grant
pursuant to a merger or other corporate transaction. 

        (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. 

        (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 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; 

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        (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)  consideration
received by the Company under a cashless exercise program implemented by the Company in connection with the Plan; 

        (vi)  a
reduction in the amount of any Company liability to the Optionee, including any liability attributable to the Optionee's participation in any Company-sponsored
deferred compensation program or arrangement; 

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

      (viii)  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. Unless the Administrator provides otherwise, vesting of Options granted hereunder shall be tolled during any unpaid
leave of absence. An Option may not be exercised for a fraction of a Share. 

        An
Option shall be deemed exercised when the Company receives: (i) written or electronic 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 Shares are 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 Shares promptly after the Option is exercised. No adjustment will be made for a dividend or other right for which the record date is prior to the date the Shares are issued, except as
provided in Section 13 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 Relationship as a Service Provider. If an Optionee ceases to be a Service Provider, other than upon the Optionee's death or Disability, the Optionee may
exercise his or her Option within such period of time as is specified in the Option Agreement to the extent that the Option is vested on the date of termination (but in no event later than the
expiration of the term of such Option as set forth in the Option Agreement). In the absence of a specified time in the Option Agreement, the Option shall remain exercisable for three (3) months
following the Optionee's termination. If, on the date of termination, the Optionee is not vested as to his or her entire Option, the Shares covered by the unvested 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. Notwithstanding the foregoing, if the Company or any successor thereto terminates the Optionee's employment without Cause within twelve months following a Change of Control,
the Optionee's Options, Stock Purchase Rights and Restricted Stock shall become 100% vested and 

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exercisable; provided, however, that no such acceleration shall occur in the event that it would preclude accounting for any business combination of the Company involving a Change of Control as a
"pooling of interests." 

        (c)  Disability
of Optionee. If an Optionee ceases to be a Service Provider as a result of the Optionee's Disability, the Optionee may exercise his or her Option within such
period of time as is specified in the Option Agreement to the extent the Option is vested on the date of termination (but in no event later than the expiration of the term of such Option as set forth
in the Option Agreement). In the absence of a specified time in the Option Agreement, the Option shall remain exercisable for twelve (12) months following the Optionee's termination. If, on the
date of termination, the Optionee is not vested as to his or her entire Option, the Shares covered by the unvested 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. If an Optionee dies while a Service Provider, (a) solely with respect to any option grants awarded on or after September 12, 2000, the
Option shall become one-hundred percent (100%) vested, and (b) the Option may be exercised within such period of time as is specified in the Option Agreement (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 acquires the right to exercise the Option by bequest or inheritance. In
the absence of a specified time in the Option Agreement, the Option shall remain exercisable for twelve (12) months following the Optionee's termination. The Option may be exercised by the
executor or the administrator of the Optionee's estate or, if none, by the person(s) entitled to exercise the Option under the Optionee's will or the laws of descent and distribution. If the Option is
not so exercised within the time specified herein, the Option shall terminate, and the Shares covered by such Option shall revert to the Plan. 

        (e)  Buyout
Provisions. The Administrator may at any time offer to buy out for a payment in cash or Shares an Option previously granted based on such terms and conditions as
the Administrator shall establish and communicate to the Optionee at the time that such offer is made. 

        11.    Stock Purchase Rights.    

        (a)  Rights
to Purchase. Stock Purchase Rights may be issued either alone, in addition to, or in tandem with other awards granted under the Plan and/or cash awards made
outside of the Plan. After the Administrator determines that it will offer Stock Purchase Rights under the Plan, it shall advise the offeree in writing or electronically, by means of a Notice of
Grant, of the terms, conditions and restrictions related to the offer, including the number of Shares that the offeree shall be entitled to purchase, the price to be paid, and the time within which
the offeree must accept such offer. The offer shall be accepted by execution of a Restricted Stock Purchase Agreement in the form determined by the Administrator. 

        (b)  Repurchase
Option. Unless the Administrator determines otherwise, the Restricted Stock Purchase Agreement shall grant the Company a repurchase option exercisable upon
the voluntary or involuntary termination of the purchaser's service with the Company for any reason (including death or Disability). The purchase price for Shares repurchased pursuant to the
Restricted Stock Purchase Agreement shall be the original price paid by the purchaser and may be paid by cancellation of any indebtedness of the purchaser to the Company. The repurchase option shall
lapse at a rate determined by the Administrator. 

        (c)  Other
Provisions. The Restricted Stock Purchase Agreement shall contain such other terms, provisions and conditions not inconsistent with the Plan as may be determined
by the Administrator in its sole discretion. 

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        (d)  Rights
as a Shareholder. Once the Stock Purchase Right is exercised, the purchaser shall have the rights equivalent to those of a shareholder, and shall be a shareholder
when his or her purchase is entered upon the records of the duly authorized transfer agent of the Company. No adjustment will be made for a dividend or other right for which the record date is prior
to the date the Stock Purchase Right is exercised, except as provided in Section 13 of the Plan. 

        12.    Transferability of Stock Options and Stock Purchase Rights    

        Unless
determined otherwise by the Administrator, an Option or Stock Purchase Right 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 or Stock Purchase Right
transferable, such Option or Stock Purchase Right shall contain such additional terms and conditions as the Administrator deems appropriate. Notwithstanding the above and solely with respect to option
grants awarded on or after September 12, 2000, during his or her lifetime, an Optionee may transfer, including by means of sale, all or part of a vested Non-Statutory Option to a
member of the Optionee's immediate family or to a trust, LLC or partnership for the benefit of any one or more members of such Optionee's Immediate Family. "Immediate Family" as used herein means the
spouse, lineal descendants, father, mother, brothers and sisters of the optionee. In such case, the transferee shall receive and hold the Option subject to the provisions of this Section, and there
shall be no further assignment or transfer of the Option. The terms of Options granted hereunder shall be binding upon the transferees, purchasers, executors, administrators, heirs, successors and
assigns of the Optionee. 

        13.    Adjustments Upon Changes in Capitalization, Dissolution or Change in 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
Stock Purchase Right, the limitations on the number of Common Shares subject to Options pursuant to Section 6(c) hereof, and the number of shares of Common Stock which have been authorized for
issuance under the Plan but as to which no Options or Stock Purchase Rights have yet been granted or which have been returned to the Plan upon cancellation or expiration of an Option or Stock Purchase
Right, as well as the price per share of Common Stock covered by each such outstanding Option or Stock Purchase Right, 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 or Stock Purchase Right. 

        (b)  Dissolution
or Liquidation. In the event of the proposed dissolution or liquidation of the Company, the Administrator shall notify each Optionee as soon as practicable
prior to the effective date of such proposed transaction. The Administrator in its discretion may provide for an Optionee to have the right to exercise his or her Option until ten (10) days
prior to such transaction as to all of the Optioned Stock covered thereby, including Shares as to which the Option would not otherwise be exercisable. In addition, the Administrator may provide that
any Company repurchase option applicable to any Shares purchased upon exercise of an Option or Stock Purchase Right shall lapse as to all such Shares, provided the proposed dissolution or liquidation
takes place at the time and in the manner contemplated. To the extent it has not been 

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previously exercised, an Option or Stock Purchase Right will terminate immediately prior to the consummation of such proposed action. 

        (c)  Change
in Control. Notwithstanding the foregoing, in the event of a Change in Control, each outstanding Option and Stock Purchase Right shall be assumed or an equivalent
option or right substituted by the successor corporation or a Parent or Subsidiary of the successor corporation. In the event that the successor corporation refuses to assume or substitute for the
Option or Stock Purchase Right, the Optionee shall fully vest in and have the right to exercise the Option or Stock Purchase Right as to all of the Optioned Stock, including Shares as to which it
would not otherwise be vested or exercisable. If an Option or Stock Purchase Right becomes fully vested and exercisable in lieu of assumption or substitution in the event of a Change in Control, the
Administrator shall notify the Optionee in writing or electronically that the Option or Stock Purchase Right shall be fully vested and exercisable for a period of fifteen (15) days from the
date of such notice, and the Option or Stock Purchase Right shall terminate upon the expiration of such period. For the purposes of this paragraph, the Option or Stock Purchase Right shall be
considered assumed if, following the Change in Control, the option or right confers the right to purchase or receive, for each Share of Optioned Stock subject to the Option or Stock Purchase Right
immediately prior to the Change in Control, the consideration (whether stock, cash, or other securities or property) received in connection with the Change in Control 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 connection with the Change in Control is not solely common stock of the successor corporation or its Parent, the Administrator may,
with the consent of the successor corporation, provide for the consideration to be received upon the exercise of the Option or Stock Purchase Right, for each Share of Optioned Stock subject to the
Option or Stock Purchase Right, 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
connection with the Change in Control. 

        Notwithstanding
any other provisions of the Plan or any Option Agreement, Restricted Stock Purchase Agreement or other related agreement, in the event that any payment or benefit
received or to be received by the Optionee (whether pursuant to the terms of the Plan, any Option Agreement, Restricted Stock Purchase Agreement or other related agreement, or other plan, arrangement
or agreement with the Company, any person whose actions result in a Change in Control or any person affiliated with the Company or such person) (all such payments and benefits being hereinafter called
"Total Payments") would be subject (in whole or part), to any excise tax imposed under Section 4999 of the Code (the "Excise Tax"), then, after taking into account any reduction in the Total
Payments provided by reason of Section 280G of the Code in such other plan, arrangement or agreement, the
payment or benefit received or to be received by the Optionee (whether pursuant to the terms of the Plan, any Option Agreement, Restricted Stock Purchase Agreement or other related agreement) shall be
reduced, to the extent necessary so that no portion of the Total Payments is subject to the Excise Tax but only if (A) the net amount of such Total Payments, as so reduced (and after
subtracting the net amount of federal, state and local income taxes on such reduced Total Payments) is greater than or equal to (B) the net amount of such Total Payments without such reduction
(but after subtracting the net amount of federal, state and local income taxes on such Total Payments and the amount of Excise Tax to which the Optionee would be subject in respect of such unreduced
Total Payments). 

        Unless
the Company and the Optionee otherwise agree in writing, any determination required under this Section shall be made in writing by the Company's independent public accountants
(the "Accountants"), whose determination shall be conclusive and binding upon the Optionee and the Company for all purposes. For purposes of making the calculations required by this Section, the
Accountants may make reasonable assumptions and approximations concerning applicable taxes 

10

 

and may rely on reasonable, good faith interpretations concerning the application of Sections 280G and 4999 of the Code. The Company and the Optionee shall furnish to the Accountants such information
and documents as the Accountants may reasonably request in order to make a determination under this Section. The Company shall bear all costs the Accountants may reasonably incur in connection with
any calculations contemplated by this Section. 

        14.    Date of Grant.    The date of grant of an Option or Stock Purchase Right shall be, for all purposes, the date
on which the Administrator makes the determination granting such Option or Stock Purchase Right, 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. 

        15.    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 Applicable Laws. 

        (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. Termination of the Plan shall not affect the Administrator's
ability to exercise the powers granted to it hereunder with respect to Options granted under the Plan prior to the date of such termination. 

        16.    Conditions Upon Issuance of Shares.    

        (a)  Legal
Compliance. Shares shall not be issued pursuant to the exercise of an Option or Stock Purchase Right unless the exercise of such Option or Stock Purchase Right and
the issuance and delivery of such Shares shall comply with Applicable Laws 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 or Stock Purchase Right, the Company may require the person exercising such Option or Stock
Purchase Right 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. 

        17.    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 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. 

        18.    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. 

        19.    Shareholder Approval.    The Plan shall be subject to approval by the shareholders of the Company within twelve
(12) months after the date the Plan is adopted. Such shareholder approval shall be obtained in the manner and to the degree required under Applicable Laws. 

11

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INKTOMI CORPORATION 1998 STOCK PLAN (Updated December 30, 1999, Amended March 29, 2000 and September 12, 2000)QuickLinks
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Exhibit 4.3

 
 

INKTOMI CORPORATION
  1998 NONSTATUTORY STOCK OPTION PLAN
  (Amended March 29, 2000, May 15, 2000 and September 12, 2000)    
  

        1.    Purposes of the Plan.    The purposes of this Nonstatutory Stock Option Plan are: 

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

        *      to
provide additional incentive to Employees and Consultants, and 

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

        Options
granted under the Plan will be Nonstatutory Stock Options. 

        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 requirements relating to the administration of stock option plans under U.S. state corporate laws, U.S. federal and state securities laws,
the Code, any stock exchange or
quotation system on which the Common Stock is listed or quoted and the applicable laws of any foreign country or jurisdiction where Options are, or will be, granted under the Plan. 

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

        (d)  "Cause"
means (i) any act of personal dishonesty taken by the Optionee in connection with his responsibilities as a Service Provider and intended to result in
substantial personal enrichment of the Optionee, (ii) the conviction of a felony, (iii) a willful act by the Optionee that constitutes gross misconduct and that is injurious to the
Company, (iv) for a period of not less than thirty (30) days following delivery to the Optionee of a written demand for performance from the Company that describes the basis for the
Company's belief that the Optionee has not substantially performed his duties, continued violations by the Optionee of the Optionee's obligations to the Company that are demonstrably willful and
deliberate on the Optionee's part or (v) as otherwise provided in the Option Agreement. 

        (e)  "Change
of Control" shall mean the occurrence of any of the following: 

          (i)  Any
"person" (as such term is used in Sections 13(d) and 14(d) of the Exchange Act) becomes the "beneficial owner" (as defined in Rule 13d-3 under
the Exchange Act), directly or indirectly, of securities of the Company representing more than fifty percent (50%) of the total voting power represented by the Company's then outstanding voting
securities entitled to vote generally in the election of directors; 

        (ii)  Any
action or event occurring within a two-year period, 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 hereof, or (B) are elected, or nominated for election, to the Board 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); 

        (iii)  The
consummation of 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 

1

 

remaining outstanding or by being converted into voting securities of the surviving entity or entity that controls such surviving entity) at least fifty percent (50%) of the total voting power
represented by the voting securities of the Company, such surviving entity or the entity that controls such surviving entity outstanding immediately after such merger or consolidation; or 

        (iv)  The
consummation of the sale or disposition by the Company of all or substantially all of the Company's assets. 

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

        (g)  "Committee"
means a committee of Directors appointed by the Board in accordance with Section 4 of the Plan. 

        (h)  "Common
Stock" means the Common Stock of the Company. 

        (i)    "Company"
means Inktomi Corporation, a Delaware corporation. 

        (j)    "Consultant"
means any person, including an advisor, engaged by the Company or a Parent or Subsidiary to render services to such entity. 

        (k)  "Director"
means a member of the Board. 

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

        (m)  "Employee"
means any person, excluding Officers and Directors, employed by the Company or any Parent or Subsidiary of the Company. A Service Provider shall not cease to
be an Employee in the case of (i) any leave of absence approved by the Company or (ii) transfers between locations of the Company or between the Company, its Parent, any Subsidiary, or
any successor. Neither service as a Director nor payment of a director's fee by the Company shall be sufficient to constitute "employment" by the Company. 

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

        (o)  "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 Nasdaq National Market or The Nasdaq
SmallCap Market of The Nasdaq Stock Market, its Fair Market Value shall be the closing sales price for such stock (or the closing bid, if no sales were reported) as quoted on such exchange or system
for the last market trading day prior to the time of determination, as reported in The Wall Street Journal or such other source as the Administrator deems reliable; 

        (ii)  If
the Common Stock 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. 

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

        (q)  "Officer"
means a person who is an officer of the Company within the meaning of Section 16 of the Exchange Act and the rules and regulations promulgated
thereunder. 

2

 

        (r)  "Option"
means a nonstatutory stock option granted pursuant to the Plan, that is not intended to qualify as an incentive stock option within the meaning of
Section 422 of the Code and the regulations promulgated thereunder. 

        (s)  "Option
Agreement" means an 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. 

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

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

        (v)  "Optionee"
means the holder of an outstanding Option granted under the Plan. 

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

        (x)  "Plan"
means this 1998 Nonstatutory Stock Option Plan. 

        (y)  "Service
Provider" means an Employee, excluding an Officer or Director. 

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

      (aa)  "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 12 of the Plan, the maximum aggregate
number of Shares which may be optioned and sold under the Plan is 6,400,000 Shares, plus an annual increase to be added on January 1 (beginning January 1, 2001) of each year equal to the
lesser of (i) the number of Shares needed to restore the maximum aggregate number of Shares which may be optioned and sold under the Plan to 6,400,000 Shares or (ii) a lesser amount
determined by the Board. The Shares may be authorized, but unissued, or reacquired Common Stock. 

        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)  Administration.
The Plan shall be administered by (i) the Board or (ii) a Committee, which committee shall be constituted to satisfy 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: 

          (i)  to
determine the Fair Market Value of the Common Stock; 

        (ii)  to
select the Service Providers 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 

3

 

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
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; 

      (viii)  to
institute an Option Exchange Program; 

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

        (x)  to
prescribe, amend and rescind rules and regulations relating to the Plan, including rules and regulations relating to sub-plans established for the purpose
of qualifying for preferred tax treatment under foreign tax laws; 

        (xi)  to
modify or amend each Option (subject to Section 14(b) of the Plan), including the discretionary authority to extend the post-termination
exercisability period of Options longer than is otherwise provided for in 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
determine the terms and restrictions applicable to Options; 

      (xiv)  to
allow Optionees to satisfy withholding tax obligations by electing to have the Company withhold from the Shares to be issued upon exercise of an Option that number
of Shares having a Fair Market Value equal to the amount required to be withheld. The Fair Market Value of the Shares to be withheld shall be determined on the date that the amount of tax to be
withheld is to be determined. All elections by an Optionee to have Shares withheld for this purpose shall be made in such form and under such conditions as the Administrator may deem necessary or
advisable; and 

      (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.    Options may be granted to Service Providers; provided, however, that notwithstanding anything to
the contrary contained in the Plan, Options may not be granted to Officers and Directors. 

        6.    Limitation.    Neither the Plan nor any Option shall confer upon an Optionee any right with respect to
continuing the Optionee's relationship as a Service Provider with the Company, nor shall they interfere in any way with the Optionee's right or the Company's right to terminate such relationship at
any time, with or without cause. 

        7.    Term of Plan.    The Plan shall become effective upon its adoption by the Board. It shall continue in effect for
a term of ten (10) years, unless sooner terminated under Section 14 of the Plan. 

        8.    Term of Option.    The term of each Option shall be stated in the Option Agreement 

        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. 

4

 

        (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. 

        (c)  Form
of Consideration. The Administrator shall determine the acceptable form of consideration for exercising an Option, including the method of payment. 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)  consideration
received by the Company under a cashless exercise program implemented by the Company in connection with the Plan; 

        (vi)  a
reduction in the amount of any Company liability to the Optionee, including any liability attributable to the Optionee's participation in any Company-sponsored
deferred compensation program or arrangement; 

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

      (viii)  any
combination of the foregoing methods of payment. 

        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 or electronic 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 Shares are 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 t he Option. The Company shall issue (or cause to be
issued) such Shares promptly after the Option is exercised. No adjustment will be made for a dividend or other right for which the record date is prior to the date the Shares are 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 Relationship as a Service Provider. If an Optionee ceases to be a Service Provider, other than upon the Optionee's death or Disability, the Optionee may
exercise his or her 

5

 

Option, but only within such period of time as is specified in the Option Agreement, and only to the extent that the Option is vested on the date of termination (but in no event later than the
expiration of
the term of such Option as set forth in the Option Agreement). In the absence of a specified time in the Option Agreement, the Option shall remain exercisable for three (3) months following the
Optionee's termination. If, on the date of termination, the Optionee is not vested as to his or her entire Option, the Shares covered by the unvested 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. Notwithstanding the foregoing, if the Company or any successor thereto terminates the Optionee's employment without Cause within twelve months following a Change of Control, the
Optionee's Options and restricted stock acquired upon exercise of Options, shall become 100% vested and exercisable; provided, however, that no such acceleration shall occur in the event that it would
preclude accounting for any business combination of the Company involving a Change of Control as a "pooling of interests." 

        (c)  Disability
of Optionee. If an Optionee ceases to be a Service Provider as a result of the Optionee's Disability, the Optionee may exercise his or her Option within such
period of time as is specified in the Option Agreement, to the extent the Option is vested on the date of termination (but in no event later than the expiration of the term of such Option as set forth
in the Option Agreement). In the absence of a specified time in the Option Agreement, the Option shall remain exercisable for twelve (12) months following the Optionee's termination. If, on the
date of termination, the Optionee is not vested as to his or her entire Option, the Shares covered by the unvested 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. If an Optionee dies while a Service Provider (a) solely with respect to any option grants awarded on or after September 12, 2000, the
Option shall become one-hundred percent (100%) vested and (b) the Option may be exercised within such period of time as is specified in the Option Agreement (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 acquires the right to exercise the Option by bequest or inheritance. In
the absence of a specified time in the Option Agreement, the Option shall remain exercisable for twelve (12) months following the Optionee's termination. The Option may be exercised by the
executor or the administrator of the Optionee's estate or, if none, by the person(s) entitled to exercise the Option under the Optionee's will or the laws of descent and distribution. If the Option is
not so exercised within the time specified herein, the Option shall terminate, and the Shares covered by such Option shall revert to the Plan. 

        (e)  Buyout
Provisions. The Administrator may at any time offer to buy out for a payment in cash or Shares, an Option previously granted based on such terms and conditions as
the Administrator shall establish and communicate to the Optionee at the time that such offer is made. 

        11.    Transferability of Stock Options.    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.
Notwithstanding the above and solely with respect to option grants awarded on or after September 12, 2000, during his
or her lifetime, an Optionee may transfer, including by means of sale, all or part of an Option to a member of the Optionee's Immediate Family or to a trust, LLC or partnership for the benefit of any
one or more members of such Optionee's immediate family. "Immediate Family" as used 

6

 

herein means the spouse, lineal descendants, father, mother, brothers and sisters of the Optionee. In such case, the transferee shall receive and hold the Option subject to the provisions of this
Section, and there shall be no further assignment or transfer of the Option. The terms of Options granted hereunder shall be binding upon the transferees, purchasers, executors, administrators, heirs,
successors and assigns of the Optionee. 

        12.    Adjustments Upon Changes in Capitalization, Dissolution or Change in 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, the Administrator shall notify each Optionee as soon as practicable
prior to the effective date of such proposed transaction. The Administrator in its discretion may provide for an Optionee to have the right to exercise his or her Option until ten (10) days
prior to such transaction as to all of the Optioned Stock covered thereby, including Shares as to which the Option would not otherwise be exercisable. In addition, the Administrator may provide that
any Company repurchase option applicable to any Shares purchased upon exercise of an Option shall lapse as to all such Shares, provided the proposed dissolution or liquidation takes place at the time
and in the manner contemplated. To the extent it has not been previously exercised, an Option will terminate immediately prior to the consum mation of such proposed action. 

        (c)  Change
in Control. Notwithstanding the foregoing, in the event of a Change in Control, each outstanding Option shall be assumed or an equivalent option or right
substituted by the successor corporation or a Parent or Subsidiary of the successor corporation. In the event that the successor corporation refuses to assume or substitute for the Option, the
Optionee shall fully vest in and have the right to exercise the Option as to all of the Optioned Stock, including Shares as to which it would
not otherwise be vested or exercisable. If an Option becomes fully vested and exercisable in lieu of assumption or substitution in the event of a Change in Control, the Administrator shall notify the
Optionee in writing or electronically that the Option shall be fully vested and exercisable for a period of fifteen (15) days from the date of such notice, and the Option shall terminate upon
the expiration of such period. For the purposes of this paragraph, the Option shall be considered assumed if, following the Change in Control, the option or right confers the right to purchase or
receive, for each Share of Optioned Stock, immediately prior to the Change in Control, the consideration (whether stock, cash, or other securities or property) received in connection with the Change
in Control 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 connection with the Change in Control is not solely 

7

 

common stock of the su c cessor corporation or its Parent, the Administrator may, with the consent of the successor corporation, provide for the consideration to be received upon the exercise of the
Option, for each Share of Optioned Stock 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 connection with the Change in Control. 

        Notwithstanding
any other provisions of the Plan or any Option Agreement or other related agreement, in the event that any payment or benefit received or to be received by the Optionee
(whether pursuant to the terms of the Plan, any Option Agreement, other related agreement or other plan, arrangement or agreement with the Company, any person whose actions result in a Change in
Control or any person affiliated with the Company or such person) (all such payments and benefits being hereinafter called "Total Payments") would be subject (in whole or part), to any excise tax
imposed under Section 4999 of the Code (the "Excise Tax"), then, after taking into account any reduction in the Total Payments provided by reason of Section 280G of the Code in such
other plan, arrangement or agreement, the payment or benefit received or to be received by the Optionee (whether pursuant to the terms of the Plan, any Option Agreement, or other related agreement)
shall be reduced, to the extent necessary so that no portion of the Total Payments is subject to the Excise Tax but only if (A) the net amount of such Total Payments, as so reduced (and after
subtracting the net amount of federal, state and local income taxes on such reduced Total Payments) is greater than or equal to (B) the net amount of such Total Payments without such reduction
(but after subtracting the net amount of federal, state and local income taxes on such Total Payments and the amount of Excise Tax to which the Optionee would be subject in respect of such unreduced
Total Payments). 

        Unless
the Company and the Optionee otherwise agree in writing, any determination required under this Section shall be made in writing by the Company's independent public accountants
(the "Accountants"), whose determination shall be conclusive and binding upon the Optionee and the Company for all purposes. For purposes of making the calculations required by this Section, the
Accountants may make reasonable assumptions and approximations concerning applicable taxes and may rely on reasonable, good faith interpretations concerning the application of Sections 280G and 4999
of the Code. The Company and the Optionee shall furnish to the Accountants such information and documents as the Accountants may reasonably request in order to make a determination under this Section.
The Company shall bear all costs the Accountants may reasonably incur in connection with any calculations contemplated by this Section. 

        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)  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. Termination of the Plan shall not affect the Administrator's
ability to exercise the powers granted to it hereunder with respect to options granted under the Plan prior to the date of such termination. 

        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 

8

 

Applicable Laws 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.    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 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. 

        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. 

9

QuickLinks

INKTOMI CORPORATION 1998 NONSTATUTORY STOCK OPTION PLAN (Amended March 29, 2000, May 15, 2000 and September 12, 2000)

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