Document:

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                                                                    EXHIBIT 10.2

                ZIX CORPORATION 2004 DIRECTORS' STOCK OPTION PLAN

   SECTION 1.  Purpose

   The purpose of the Zix Corporation 2004 Directors' Stock Option Plan
(hereinafter called the "Plan") is to advance the interests of Zix Corporation,
a Texas corporation (hereinafter called the "Company"), by strengthening the
ability of the Company to attract, on its behalf, and retain Non-Employee
Directors (as defined below) of high caliber through encouraging a sense of
proprietorship by means of stock ownership.

   SECTION 2.  Definitions

   "Board" shall mean the Board of Directors of the Company.

   "Code" shall mean the Internal Revenue Code of 1986, as amended from
time-to-time.

   "Committee" shall mean the entire Board of Directors, or if the
administration of the Plan has been delegated to a committee of the Board, a
committee selected by the Board and comprised of at least two directors. To the
extent necessary to comply with applicable rules and regulations, the Committee
shall consist of two or more independent directors.

   "Common Stock" shall mean the Common Stock of the Company, par value $.01 per
share.

   "Date of Grant" shall mean the date on which an Option is granted under the
Plan.

   "Designated Beneficiary" shall mean the beneficiary designated by the
Optionee, in a manner determined by the Committee, to receive amounts due the
Optionee in the event of the Optionee's death. In the absence of an effective
designation by the Optionee, Designated Beneficiary shall mean the Optionee's
estate.

   "Fair Market Value" shall mean the closing sales price (or average of the
quoted closing bid and asked prices if there is no closing sales price reported)
of the Common Stock on the date specified as reported by the Nasdaq Stock
Market, or by the principal national stock exchange on which the Common Stock is
then listed. If there is no reported price information for such date, the Fair
Market Value will be determined by the reported price information for Common
Stock on the day nearest preceding such date.

   "Non-Employee Director" shall mean a member of the Board who is not an
employee of the Company or a subsidiary.

   "Option" shall mean a nonqualified option to purchase shares of the Company's
Common Stock.

   "Optionee" shall mean the person to whom an Option is granted under the Plan
or who has obtained the right to exercise an Option in accordance with the
provisions of the Plan.

   SECTION 3.  Administration

   The Plan shall be administered by the Committee. The Committee shall have
sole and complete authority to adopt, alter and repeal such administrative
rules, guidelines and practices governing the operation of the Plan as it shall
from time-to-time deem advisable, and to construe, interpret and administer the
terms and provisions of the Plan and the agreements thereunder. The
determinations and interpretations made by the Committee are final and
conclusive and binding on all persons.

   SECTION 4.  Eligibility

   All Non-Employee Directors shall be eligible to receive awards of Options
under the Plan.

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   SECTION 5.  Maximum Amount Available for Awards

   Subject to the provisions of Section 9, the maximum number of shares of
Common Stock in respect of which Options may be granted under the Plan shall be
300,000 shares of Common Stock. Shares of Common Stock may be made available
from authorized but unissued shares of the Company or from shares reacquired by
the Company, including shares purchased in the open market. In the event that an
Option is terminated unexercised as to any shares of Common Stock covered
thereby, such shares shall thereafter be again available for award pursuant to
the Plan.

   SECTION 6.  Stock Options

   (a) During the term of the Plan, on the day that an Non-Employee Director is
first appointed or elected to the Board, such director shall be granted
nonqualified Options to purchase 25,000 shares of the Company's Common Stock.
The Options shall vest quarterly and pro-rata over one year. Also, on the first
business day in January of each year during the term of the Plan, each
Non-Employee Director that has served on our Board for at least six months as of
the grant date shall be granted nonqualified Options to purchase a number of
shares of our common stock equal to the greater of (i) one-half of one percent
of the number of our outstanding shares (measured as of the immediately
preceding December 31) or (ii) 200,000 shares, divided by the greater of (i)
five or (ii) the number of Non-Employee directors that have served on the Board
for at least six months as of the grant date. The options shall vest quarterly
and pro-rata over three years from the grant date.

   Also, any Non-Employee director that had served on the Board for at least six
months (but not 12 months) as of January 1, 2004, shall be entitled to receive
an option grant covering 50,000 shares. The effective date of the grant shall be
the date of the Company's 2004 annual meeting of stockholders. The exercise
price of these options shall be 100% of the Fair Market Value of the Common
Stock on the Date of Grant. The options shall vest quarterly and pro-rata over
three years from the grant date.

   (b) The exercise price of the 25,000 share option grants and of the January
share option grants shall be 100% of the Fair Market Value of the Common Stock
on the Date of Grant. The Options may not be exercised after the tenth
anniversary of the Date of Grant.

   (c) Each Option hereunder shall be evidenced in writing, delivered to the
Optionee, and shall be exercisable at such times and subject to such terms and
conditions as specified in the applicable grant and agreement.

   The Committee may impose such conditions with respect to the exercise of
Options (that are consistent with the foregoing principles), including without
limitation, any relating to the application of federal or state securities laws,
as it may deem necessary or advisable.

   (d) No shares shall be delivered pursuant to any exercise of an Option until
cash payment in full of the option price therefor is received by the Company. If
the shares to be purchased are covered by an effective registration statement
under the Securities Act of 1933, any Option may be exercised by a broker-dealer
acting on behalf of an Optionee if (a) the broker-dealer has received from the
Optionee instructions signed by the Optionee requesting the Company to deliver
the shares of Common Stock subject to such Option to the broker-dealer on behalf
of the Optionee and specifying the account into which such shares should be
deposited, (b) adequate provision has been made with respect to the payment of
any withholding taxes due upon such exercise, and (c) the broker-dealer and the
Optionee have otherwise complied with Section 220.3(e)(4) of Regulation T, 12
CFR Part 220, or any successor provision. The Company shall have the right to
deduct from all amounts paid to an Optionee in cash (whether under the Plan or
otherwise) any taxes the Company withholds in respect of Options under the Plan.

   (e) The Company shall not be required to issue any fractional shares upon the
exercise of any Options granted under the Plan. No Optionee or such Optionee's
legal representatives, legatees or distributees, as the case may be, will be, or
will be deemed to be, a holder of any shares subject to an Option unless and
until said Option has been exercised and the purchase price of the shares in
respect of which the Option has been exercised has been paid. Unless otherwise
provided in the agreement applicable thereto, an Option shall not be exercisable
except by the Optionee or by a person who has obtained the Optionee's rights
under the Option by will or under the laws of descent and distribution or
pursuant to a "qualified domestic relations order" as defined in the Code, and
no right or interest of any Optionee shall be subject to any lien, obligation or
liability of the Optionee.

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   SECTION 7.  Plan Amendments

   The Board may amend, abandon, suspend or terminate the Plan or any portion
thereof at any time in such respects as it may deem advisable in its sole
discretion, provided that no amendment shall be made without stockholder
approval if such amendment is material or if stockholder approval is necessary
to comply with any tax or regulatory requirement.

   SECTION 8.  Restrictions on Issuance of Options and Option Shares

   The Company shall not be obligated to issue any shares upon the exercise of
any Option granted under the Plan unless: (1) the shares pertaining to such
Option have been registered under applicable securities laws or are exempt from
such registration; (2) if required, the prior approval of such sale or issuance
has been obtained from any state regulatory body having jurisdiction; and (3) in
the event the Common Stock has been listed on any exchange, the shares
pertaining to such Option have been duly listed on such exchange in accordance
with the procedure specified therefor. The Company shall be under no obligation
to effect or obtain any listing, registration, qualification, consent or
approval with respect to shares pertaining to any Option granted under the Plan.
If the shares to be issued upon the exercise of any Option granted under the
Plan are intended to be issued by the Company in reliance upon the exemptions
from the registration requirements of applicable federal and state securities
laws, the recipient of the Option, if so requested by the Company, shall furnish
to the Company such evidence and representations, including an opinion of
counsel satisfactory to it as the Company may reasonably request.

   The Company shall not be liable for damages due to a delay in the delivery or
issuance of any stock certificates for any reason whatsoever, including, but not
limited to, a delay caused by listing, registration or qualification of the
shares of Common Stock pertaining to any Option granted under the Plan upon any
securities exchange or under any federal or state law or the effecting or
obtaining of any consent or approval of any governmental body.

   The Committee may impose such other restrictions on the ownership and
transfer of shares issued pursuant to the Plan as it deems desirable; any such
restrictions shall be set forth in the agreement applicable thereto.

   SECTION 9.  Adjustment to Shares

   In the event that the Committee shall determine that any stock dividend,
recapitalization, reorganization, merger, consolidation, split-up, spin-off,
combination, exchange of shares, warrants or rights offering to purchase Common
Stock at a price substantially below Fair Market Value or other similar
corporate event affects the Common Stock such that an adjustment is required in
order to preserve the benefits or potential benefits intended to be made
available under the Plan, then the Committee shall adjust appropriately any or
all of (a) the number and kind of shares that thereafter may be optioned under
the Plan, (b) the number and kind of shares subject of Options and (c) the
exercise price with respect to any of the foregoing and/or, if deemed
appropriate, make provision for cash payment to an Optionee or a person who has
an outstanding Option; provided, however, that the number of shares subject to
any Option shall always be a whole number.

   SECTION 10.  Effective Date; Term

   The Plan shall be effective as of May 6, 2004. No Options may be granted
under the Plan after May 6, 2014.

   SECTION 11.  General Provisions

   (a) Neither the Plan nor any Option granted hereunder is intended to confer
upon any Optionee any rights with respect to continuance of the utilization of
his or her services by the Company, nor to interfere in any way with his or her
right or that of the Company to terminate his or her services at any time
(subject to the terms of any applicable contract, law, regulation, and the
articles and bylaws of the Company).

   (b) No Optionee or Designated Beneficiary shall have any rights as a
stockholder with respect to any shares of Common Stock to be distributed under
the Plan until he or she has become the holder thereof.

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   (c) The validity, construction, interpretation, administration and effect of
the Plan and of its rules and regulations, and rights relating to the Plan,
shall be determined solely in accordance with the laws of the State of Texas
(without giving effect to its conflicts of laws rules) and, to the extent
applicable, federal law.

   IN WITNESS WHEREOF, the Company has caused this Plan to be executed on its
behalf as of the 6th day of May 2004.

                                          ZIX CORPORATION

                                          By:      /s/ Ronald A. Woessner
                                              ----------------------------------

                                          Title:   SVP
                                                 -------------------------------

                                          Date:    5/6/04
                                                --------------------------------

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                                                                   EXHIBIT 10.13

                        SPLASH TECHNOLOGY HOLDINGS, INC.

                             1996 STOCK OPTION PLAN
                (AS AMENDED ON JANUARY 1, 1998, AUGUST 24, 2000,
                       APRIL 4, 2003, AND AUGUST 1, 2003)

      1.    PURPOSES OF THE PLAN. The purposes of this 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 of
the Company and its Subsidiaries and to promote the success of the Company's
business. Options granted under the Plan may be incentive stock options (as
defined under Section 422 of the Code) or nonstatutory stock options, as
determined by the Administrator at the time of grant of an option and subject to
the applicable provisions of Section 422 of the Code, as amended, and the
regulations promulgated thereunder. 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
appointed pursuant to 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) failure of an Optionee to perform Optionee's
assigned duties in a manner acceptable to the Company, after written notice of
such performance problems and a reasonable opportunity to cure; (ii) an
Optionee's material nonconformance with the Company's standard business
practices and policies made known in writing to such Optionee; (iii) the
commission in bad faith by an Optionee of any act which materially injures or
could reasonably be expected to materially injure the reputation, business, or
business relationships of the Company or its affiliates; (iv) conduct of a
criminal nature by an Optionee which has or which is reasonably expected to have
an adverse effect on the Company's or any of its affiliates' reputation or
standing in the community or on its continuing relationships with its customers
or those who purchase or use its products or services; (v) the conviction of an
Optionee of, or the entry of a pleading of guilty or nolo contendere by such
Optionee to, any felony or any crime involving moral turpitude, dishonesty or
theft; (vi) fraudulent conduct by an Optionee in connection with the business or
affairs of the Company or any of its affiliates; or (vii) dishonesty of a
material nature, gross negligence or gross misconduct by an Optionee in
connection with such Optionee's employment.

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

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

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

            (h)   "Company" means Splash Technology Holdings, Inc., a Delaware
corporation.

            (i)   "Consultant" means any person who is engaged by the Company or
any Parent or Subsidiary to render consulting or advisory services and is
compensated for such services, and any director of the Company whether
compensated for such services or not.

            (j)   "Continuous Status as an Employee or Consultant" means that
the employment or consulting relationship with the Company, any Parent, or
Subsidiary, is not interrupted or terminated. Continuous Status as an Employee
or Consultant shall not be considered interrupted 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. A
leave of absence approved by the Company shall include sick leave, military
leave, or any other personal leave approved by an authorized representative of
the Company. For purposes of Incentive Stock Options, no such leave may exceed
90 days, unless reemployment upon expiration of such leave is guaranteed by
statute or contract, including Company policies. 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.

            (k)   "Employee" means any person, including Officers and directors,
employed by the Company or any Parent or Subsidiary of the Company. The payment
of a director's fee by the Company shall not 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 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, its Fair Market Value
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, or;

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                  (iii) In the absence of an established market for the Common
Stock, the Fair Market Value thereof 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.

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

            (p)   "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.

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

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

            (s)   "Optionee" means an Employee or Consultant who receives an
Option or Stock Purchase Right.

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

            (u)   "Plan" means this 1996 Stock Option Plan.

            (v)   "Section 16(b)" means Section 16(b) of the Securities Exchange
Act of 1934, as amended.

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

            (x)   "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 3,900,000 Shares. 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 shall not be returned to the Plan and shall not become available for
future distribution under the Plan, except that if unvested Shares are
repurchased by the Company at their original purchase price, and the original
purchaser of such Shares did not receive any benefits of ownership of such
Shares, such Shares shall become available for future grant under the Plan. For

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purposes of the preceding sentence, voting rights shall not be considered a
benefit of Share ownership.

      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
Optionees.

                  (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 Plan shall be
administered by the Board or a Committee of two or more "non-employee directors"
within the meaning of 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, the specific duties delegated by the Board
to such Committee, and subject to the approval of any relevant authorities,
including the approval, if required, of any stock exchange upon which the Common
Stock is listed, the Administrator shall have the authority, in its discretion:

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

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

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

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

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

                  (vi) to determine the terms and conditions of any award
granted hereunder;

                  (vii) to determine whether and under what circumstances an
Option may be settled in cash under subsection 9(e) instead of Common Stock;

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                  (viii) 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 has declined
since the date the Option or Stock Purchase Right was granted; and

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

            (c)   Effect of Administrator's Decision. All decisions,
determinations and interpretations of the Administrator shall be final and
binding on all Optionees and any other holders of any Options or Stock Purchase
Rights.

      5.    ELIGIBILITY.

            (a)   Nonstatutory Stock Options and Stock Purchase Rights may be
granted to Employees and Consultants. Incentive Stock Options may be granted
only to Employees. An Employee or Consultant who has been granted an Option or
Stock Purchase Right may, if otherwise eligible, be granted additional Options
or Stock Purchase Rights. Restricted stock and stock bonus awards may not be
granted.

            (b)   Each Option shall be designated in the written 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 5(b), 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.

            (c)   The Plan shall not confer upon any Optionee any right with
respect to continuation of employment or consulting relationship with the
Company, nor shall it interfere in any way with his or her right or the
Company's right to terminate his or her employment or consulting relationship at
any time, with or without cause.

            (d)   Upon the Company or a successor corporation being subject to
Section 162(m) of the Code or upon the Plan being assumed by a corporation which
is subject to Section 162(m) of the Code, the following limitations shall apply
to grants of Options to Employees:

                  (i) No Employee shall be granted, in any fiscal year of the
Company, Options to purchase more than 100,000 Shares.

                  (ii) In connection with his or her initial employment, an
Employee may be granted Options to purchase up to an additional 100,000 Shares
which shall not count against the limit set forth in subsection (i) above.

<PAGE>

                  (iii) The foregoing limitations shall be adjusted
proportionately in connection with any change in the Company's capitalization as
described in Section 12.

                  (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 12), the cancelled Option will be counted against the limit
set forth in subsection (i) 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.

      6.    TERM OF PLAN. The Plan shall become effective upon the earlier to
occur of its adoption by the Board of Directors or its approval by the
stockholders of the Company, as described in Section 18 of the Plan. It shall
continue in effect for a term of ten (10) years unless sooner terminated under
Section 14 of the Plan.

      7.    TERM OF OPTION. The term of each Option shall be the term stated in
the Option Agreement; provided, however, that the term shall be no more than ten
(10) years from the date of grant thereof. However, in the case of an Incentive
Stock Option granted to an Optionee who, at the time the Option is granted, owns
stock representing more than ten percent (10%) of the voting power of all
classes of stock of the Company or any Parent or Subsidiary, the term of the
Option shall be five (5) years from the date of grant thereof or such shorter
term as may be provided in the Option Agreement.

      8.    OPTION EXERCISE PRICE AND CONSIDERATION.

            (a)   The per share exercise price for the Shares to be issued
pursuant to exercise of an Option shall be such price as is determined by the
Administrator, but shall be subject to the following:

                  (i) In the case of an Incentive Stock Option

                        (A) granted to an Employee who, at the time of the grant
of such Incentive Stock Option, 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 the preceding paragraph, 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.

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                  (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)   The consideration to be paid for the Shares to be issued upon
exercise of an Option, including the method of payment, shall be determined by
the Administrator (and, in the case of an Incentive Stock Option, shall be
determined at the time of grant) and may consist entirely of (1) cash, (2)
check, (3) promissory note, (4) other Shares which (x) 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 (y) 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, (5) delivery of a properly executed
exercise notice together with such other documentation as the Administrator and
the broker, if applicable, shall require to effect an exercise of the Option and
delivery to the Company of the sale or loan proceeds required to pay the
exercise price, or (6) any combination of the foregoing methods of payment. In
making its determination as to the type of consideration to accept, the
Administrator shall consider if acceptance of such consideration may be
reasonably expected to benefit the Company.

      9.    EXERCISE OF OPTION.

            (a)   Procedure for Exercise; Rights as a Stockholder. Any Option
granted hereunder shall be exercisable at such times and under such conditions
as determined by the Administrator, including performance criteria with respect
to the Company and/or the Optionee, and as shall be permissible under the terms
of the Plan. 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 to be exercised when written notice of such
exercise has been given to the Company in accordance with the terms of the
Option by the person entitled to exercise the Option and full payment for the
Shares with respect to which the Option is exercised has been received by the
Company. Full payment may, as authorized by the Administrator, consist of any
consideration and method of payment allowable under Section 8(c) of the Plan.
Until the issuance of Shares (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 stockholder 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 upon
exercise of the Option. 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.

        Exercise of an Option in any manner shall result in a decrease in the
number of Shares which thereafter may be 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.

<PAGE>

            (b)   Termination of Employment or Consulting Relationship. In the
event of termination of an Optionee's Continuous Status as an Employee or
Consultant with the Company (but not in the event of an Optionee's change of
status from Employee to Consultant (in which case an Employee's Incentive Stock
Option shall automatically convert to a Nonstatutory Stock Option on the date
three (3) months and one day from the date of such change of status) or from
Consultant to Employee), such Optionee may, but only within such period of time
as is determined by the Administrator, with such determination in the case of an
Incentive Stock Option not exceeding three (3) months after the date of such
termination (but in no event later than the expiration date of the term of such
Option as set forth in the Option Agreement), exercise his or her Option to the
extent that Optionee was entitled to exercise it at the date of such
termination. To the extent that Optionee was not entitled to exercise the Option
at the date of such termination, or if Optionee does not exercise such Option to
the extent so entitled within the time specified herein, the Option shall
terminate.

            (c)   Disability of Optionee. In the event of termination of an
Optionee's consulting relationship or Continuous Status as an Employee as a
result of his or her disability (as defined in Section 22(e)(3) of the Code),
Optionee may, but only within twelve (12) months from the date of such
termination (and in no event later than the expiration date of the term of such
Option as set forth in the Option Agreement), exercise the Option to the extent
otherwise entitled to exercise it at the date of such termination. To the extent
that Optionee is not entitled to exercise the Option at the date of termination,
or if Optionee does not exercise such Option to the extent so entitled within
the time specified herein, the Option shall terminate, and the Shares covered by
such Option shall revert to the Plan.

            (d)   Death of Optionee. In the event of the death of an Optionee,
the Option may be exercised at any time within twelve (12) months following the
date of death (but in no event later than the expiration of the term of such
Option as set forth in the Notice of Grant), by the Optionee's estate or by a
person who acquired the right to exercise the Option by bequest or inheritance,
but only to the extent that the Optionee was entitled to exercise the Option at
the date of death. If, at the time of death, the Optionee was not entitled to
exercise his or her entire Option, the Shares covered by the unexercisable
portion of the Option shall immediately revert to the Plan. If, after death, the
Optionee's estate or a person who acquired the right to exercise the Option by
bequest or inheritance does not exercise the Option within the time specified
herein, the Option shall terminate, and the Shares covered by such Option shall
revert to the Plan.

            (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.

      10.   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

<PAGE>

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.

            (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 12
of the Plan.

      11.   NON-TRANSFERABILITY OF OPTIONS AND STOCK PURCHASE RIGHTS. Unless
otherwise provided for by the Administrator in the stock option agreement,
Options or Stock Purchase Rights 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.

      12.   ADJUSTMENTS UPON CHANGES IN CAPITALIZATION OR MERGER.

            (a)   Changes in Capitalization. Subject to any required action by
the stockholders 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 Rights, as well as the price per share of Common Stock covered by each
such outstanding Option or Stock Purchase Rights, 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
Administrator, 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

<PAGE>

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
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.

      13.   DATE OF GRANT. The date of grant of an Option or Stock Purchase
Right shall, for all purposes, be the date on which the Administrator makes the
determination granting such Option or Stock Purchase Right, or such other date
as is determined by the Board. Notice of the determination shall be given to
each Employee or Consultant to whom an Option or Stock Purchase Right is so
granted within a reasonable time after the date of such grant.

<PAGE>

      14.   AMENDMENT AND TERMINATION OF THE PLAN.

            (a)   Amendment and Termination. The Board may at any time amend,
alter, suspend or discontinue the Plan, but no amendment, alteration, suspension
or discontinuation shall be made which would impair the rights of any Optionee
under any grant theretofore made, without his or her consent. In addition, to
the extent necessary and desirable to comply with Applicable Laws, the Company
shall obtain stockholder approval of any Plan amendment in such a manner and to
such a degree as required.

            (b)   Effect of Amendment or Termination. Any such amendment or
termination of the Plan shall not affect Options or Stock Purchase Rights
already granted, and such Options or Stock Purchase Rights shall remain in full
force and effect as if this Plan had not been amended or terminated, unless
mutually agreed otherwise between the Optionee and the Administrator, which
agreement must be in writing and signed by the Optionee and the Company.

      15.   CONDITIONS UPON ISSUANCE OF SHARES. 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 pursuant thereto shall comply with Applicable Laws, and shall be
further subject to the approval of counsel for the Company with respect to such
compliance.

        As a condition to the exercise of an Option 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 by any of the aforementioned relevant provisions of
law.

      16.   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.

        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.   AGREEMENTS. Options and Stock Purchase Rights shall be evidenced by
written agreements in such form as the Administrator shall approve from time to
time.

      18.   STOCKHOLDER APPROVAL. Continuance of the Plan shall be subject to
approval by the stockholders of the Company within twelve (12) months before or
after the date the Plan is adopted. Such stockholder approval shall be obtained
in the degree and manner required under applicable state and federal law and the
rules of any stock exchange upon which the Common Stock is listed.

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