Document:

Exhibit 4.3

                       THE NEW YORK TIMES COMPANY EMPLOYEE
                               STOCK PURCHASE PLAN

SECTION 1. Purpose.

            The Employee Stock Purchase Plan (the "Plan") of The New York Times
Company ("The Times") is designed to provide an opportunity for the employees of
The Times and its designated subsidiaries to purchase shares of the Class A
Common Stock (the "Stock") of The Times through voluntary systematic payroll
deductions. It is the purpose and policy of the Plan to provide employees with
an opportunity to acquire an additional interest in the economic progress of The
Times and a further incentive to promote its best interests.

SECTION 2. Offerings Under the Plan.

            From time to time within the limits of the Plan, shares of the Stock
will be made available for purchase only by employees of The Times through
offers of the Stock made on behalf of The Times by its Board of Directors (the
"Board"). The Board shall designate the subsidiaries of The Times whose
employees may participate in an offering under the Plan and shall within the
limits of the Plan fix the terms and conditions of each offering, provided that
any such subsidiary qualifies as a "subsidiary corporation" as defined in
Section 424(f) of the Internal Revenue Code of 1986, as amended (the "Code").
Except as provided in Section 3 of the Plan, all employees participating in an
offering shall have the same rights and privileges to purchase Stock under the
Plan.

SECTION 3. Employees Eligible and Participation by Such Employees.

            All regular, full-time employees of The Times and of such
subsidiaries as may be designated by the Board shall be eligible to participate
in the Plan, except that the Board in its discretion may exclude, on a uniform
basis, from any offering or offerings: (a) employees who at the time of an
offering have been employed less than two (2) years, (b) employees whose
customary employment is twenty (20) hours or less per week, (c) employees whose
customary employment is for not more than five (5) months in any calendar year,
and (d) highly compensated employees as defined in the Code. The number of
shares that may be purchased by an employee under any one offering shall bear a
uniform relationship to the basic compensation of such employee over a period of
time in which such compensation is paid (the "Purchase Period"). However, an
employee owning or who would own directly or indirectly more than five percent
(5%) of the total combined voting power or value of all classes of stock of The
Times, its parent or any subsidiary corporation immediately after any offering
under the Plan in which he participates or in which he is otherwise eligible to
participate, will not be eligible to participate in the Plan or any offering
made thereunder. No employee shall he granted the right to purchase shares of
the Stock which would permit his total rights to purchase Stock, under all
employee stock purchase plans of The Times, to accrue at a rate which exceeds
$25,000 of the fair market value of such Stock, determined at the time such
rights are granted, for each calendar year during which rights to purchase such
Stock are outstanding at any time.

SECTION 4. Shares Subject to the Plan.

            The shares which may be offered under the Plan may be treasury
Stock, unissued Stock, or The Times may go into the market and purchase Stock
for sale. The number of shares of Stock to be sold under the Plan shall not
exceed 10,000,000 shares, except as such number may be adjusted pursuant to
Section 9. All shares offered under the Plan and for any reason not purchased as
well as all shares not previously offered will be available for subsequent
offerings.

SECTION 5. Price.

            The price at which shares may from time to time be offered shall be
fixed by the Board, but shall not be less than the lower of (a) 85% of the fair
market value of the Stock on the date of offering (the "Offering Price"), or (b)
85% of the fair market value of the Stock on the last day of the Purchase
Period, except as provided in Section 6.

SECTION 6. Payroll Deductions, Interest and Right of Cancellation.

            Shares purchased under the Plan will be paid for by payroll
deductions during the Purchase Period, which shall not exceed 27 months, without
the right of prepayment. The Board will fix the rate of interest, if any, that
will accrue on the amounts deducted. Each participant will have the right to
cancel his election to purchase shares under the Plan within a designated time
prior to the last day of the Purchase Period and in such case payroll
deductions, plus any interest thereon, will be

                                     -II-9-
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returned to him. The Board will also make provision with respect to the rights
of participants in the event of retirement, death, termination of employment,
temporary layoff, or authorized leave of absence, including without limitation a
provision that a participant whose employment has terminated through death or
retirement or otherwise may purchase Stock within three (3) months thereafter at
the Offering Price.

SECTION 7. Issue of Shares.

            No shares purchased under the Plan will be issued except at the end
of the Purchase Period and only upon such issuance will participants have, with
respect to such shares, any of the rights of a stockholder, except as otherwise
provided in Section 6.

SECTION 8. Assignability.

            The rights of a participant will not be transferable by him other
than by will or the laws of descent and distribution, and will be exercisable
during his lifetime only by him.

SECTION 9. Effects of Changes in Shares.

            If at any time The Times shall take any action, whether by stock
dividend, stock split, combination of shares, or otherwise, which results in a
proportionate increase or decrease in the number of shares of Stock theretofore
issued and outstanding, the number of shares covered under the Plan shall be
increased or decreased proportionately, and the price in Section 5 adjusted
proportionately, and such other adjustment shall be made as may be equitable by
the Board or the Committee.

SECTION 10. Administration of the Plan.

            The Plan shall be administered by the Board or a Committee appointed
by the Board of three or more of its members (the "Committee"). The Committee
shall serve at the pleasure of the Board and shall have such powers as the Board
may from time to time confer upon it. Any decision or action taken by the Board
or the Committee arising out of or in connection with the construction,
administration, interpretation and effect of the Plan shall be conclusive and
binding upon all employees participating in the Plan and any person claiming or
under or through any such employee.

SECTION 11. Amendment or Discontinuance.

            The Board may amend or discontinue the Plan at any time. If required
by applicable law or stock exchange rule, any such amendment shall be subject to
stockholder approval. Unless otherwise required by such law or rule, the
affirmative vote of a majority of the votes cast on such matter by the holders
of the Class A Common Stock and Class B Common Stock, voting together as a
single class, shall be required for such approval.

SECTION 12. Approval by Stockholders.

            This Plan must be approved by the affirmative vote of a majority of
the votes cast on such matter by the holders of the Class A Common Stock and
Class B Common Stock, voting together as a single class.

                                     -II-10-iBEAM BROADCASTING CORPORATION

                              AMENDED AND RESTATED

                             2000 STOCK OPTION PLAN

      1.    Purposes of the Plan. The purposes of this 2000 Stock Plan are:

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

            o     to provide additional incentive to Employees, Directors 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. 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) "Code" means the Internal Revenue Code of 1986, as amended.

            (e) "Committee" means a committee of Directors 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 iBEAM Broadcasting Corporation, a Delaware
corporation.

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

            (i) "Director" means a member of the Board.
<PAGE>

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

            (k) "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 day three (3) months following the 91st 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.

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

            (m) "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 on
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 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 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.

            (n) "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.

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

            (p) "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.

                                                                             -2-
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            (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.

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

            (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 or
Stock Purchase Right.

            (v) "Optionee" means the holder of an outstanding Option or Stock
Purchase Right 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 2000 Stock Plan.

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

            (z) "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.

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

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

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

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

            (ff) "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 that may be optioned and
sold under the Plan is 6,000,000

                                                                             -3-
<PAGE>

Shares, plus an annual increase to be added on the first day of the Company's
fiscal year beginning in 2001, equal to the lesser of (i) 1,000,000 shares, (ii)
5% of the outstanding shares on such date or (iii) an amount determined by the
Board. The Shares may be authorized, but unissued, or reacquired Common Stock.

            If an Option or 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. Different Committees with
respect to different groups of Service Providers may administer the Plan.

                (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;

                                                                             -4-
<PAGE>

                (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;

                (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 minimum 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.

                                                                             -5-
<PAGE>

      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 1,377,000 Shares.

                (ii)  In connection with his or her initial service, a Service
Provider may be granted Options to purchase up to an additional 2,754,000
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.

                (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.

                                                                             -6-
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      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 that 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;

                (iv)   other Shares, provided Shares acquired directly from the
Company, (A) have been owned by the Optionee for more than six (6) 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;

                                                                             -7-
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                (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.

                                                                             -8-
<PAGE>

            (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,
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,
but only to the extent that the Option is vested on the date of death. 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, at
the time of death, the Optionee is not vested as to his or her entire Option,
the Shares covered by the unvested portion of the Option shall immediately
revert to the Plan. The Option may be exercised by the executor or 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 or 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.

                                                                             -9-
<PAGE>

            (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.

            (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.   Non-Transferability of 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 or 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.

      13.   Adjustments Upon Changes in Capitalization, Dissolution, Merger or
Asset Sale.

            (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, 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, the number of shares that may be added annually to the shares
reserved under the Plan (pursuant to Section 3(a)(i)), as well as the price per
share of Common Stock covered by each such outstanding Option or Stock Purchase
Right, may 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, as
determined by the Board; 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 may 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

                                                                            -10-
<PAGE>

takes place at the time and in the manner contemplated. To the extent it has not
been previously exercised, an Option or Stock Purchase Right will terminate
immediately prior to the consummation of such proposed action.

            (c) Merger or Asset Sale. 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 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 merger or sale of assets, 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 merger or sale of assets, 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 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 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 the
merger or sale of assets.

      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,terminate, or reinstate the Plan; provided, however, that any
amendment of the Plan which increases the number of Shares available for
issuance under the Plan (except as provided in Section 13), or which materially
changes the class of persons who are eligible for the grant of ISOs, shall be
subject to the approval of the Company's stockholders. Stockholder approval
shall not be required for any other amendment of the Plan.

                                                                            -11-
<PAGE>

            (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.

      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.

                                                                            -12-

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