Document:

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                                                                   EXHIBIT 10.12

            SUMMARY OF 2006 NAMED EXECUTIVE OFFICER CASH COMPENSATION

     The Compensation Committee of our Board of Directors has determined that
2006 base salaries of our named executive officers would remain unchanged from
2005 as set forth below:

<TABLE>
<CAPTION>
                                                     2006 BASE
NAME AND POSITION                                      SALARY
-----------------                                    ---------
<S>                                                  <C>
Arthur T. Sands, M.D., Ph.D.                          $473,000
   President and Chief Executive Officer

Julia P. Gregory                                      $329,000
   Executive Vice President, Corporate Development
   and Chief Financial Officer

Jeffrey L. Wade, J.D.                                 $292,000
   Executive Vice President and General Counsel

Brian P. Zambrowicz, Ph.D.                            $312,000
   Executive Vice President of Research

Alan J. Main, Ph.D.                                   $312,000
   Senior Vice President, Lexicon Pharmaceuticals
</TABLE>

     Our named executive officers are also eligible to receive cash bonuses,
within the discretion of the Compensation Committee, based on the achievement of
certain corporate and individual goals in 2006. The corporate goals include
objectives relating to the development of drug candidates and the achievement of
specified financial targets. The achievement of these goals will be evaluated by
the Compensation Committee in making determinations regarding bonuses for 2006
performance.

     The Compensation Committee has established a bonus target, expressed as a
percentage of base salary, for each of our named executive officers, assuming
that corporate and individual goals are fully achieved. The bonus target
percentage for each of our named executive officers is set forth below:

<TABLE>
<CAPTION>
                                                      BONUS
NAME AND POSITION                                    TARGET
-----------------                                    ------
<S>                                                  <C>
Arthur T. Sands, M.D., Ph.D.                           50%
   President and Chief Executive Officer

Julia P. Gregory                                       35%
   Executive Vice President, Corporate Development
   and Chief Financial Officer

Jeffrey L. Wade, J.D.                                  35%
   Executive Vice President and General Counsel

Brian P. Zambrowicz, Ph.D.                             40%
   Executive Vice President of Research

Alan J. Main, Ph.D.                                    30%
   Senior Vice President, Lexicon Pharmaceuticals
</TABLE><PAGE>
                                                                   EXHIBIT 10.14

                          LEXICON GENETICS INCORPORATED
                 2000 NON-EMPLOYEE DIRECTORS' STOCK OPTION PLAN

                    (RESTATED TO REFLECT SPLIT PRIOR TO IPO)

1. PURPOSES.

     (a) ELIGIBLE OPTION RECIPIENTS. The persons eligible to receive Options are
the Non-Employee Directors of the Company.

     (b) AVAILABLE OPTIONS. The purpose of the Plan is to provide a means by
which Non-Employee Directors may be given an opportunity to benefit from
increases in value of the Common Stock through the granting of Nonstatutory
Stock Options.

     (c) GENERAL PURPOSE. The Company, by means of the Plan, seeks to retain the
services of its Non-Employee Directors, to secure and retain the services of new
Non-Employee Directors and to provide incentives for such persons to exert
maximum efforts for the success of the Company and its Affiliates.

2.   DEFINITIONS.

     (a) "AFFILIATE" means any parent corporation or subsidiary corporation of
the Company, whether now or hereafter existing, as those terms are defined in
Sections 424(e) and (f), respectively, of the Code.

     (b) "ANNUAL GRANT" means an Option granted annually to all Non-Employee
Directors who meet the specified criteria pursuant to subsection 6(b) of the
Plan.

     (c) "ANNUAL MEETING" means the annual meeting of the stockholders of the
Company.

     (d) "BOARD" means the Board of Directors of the Company.

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

     (f) "COMMON STOCK" means the common stock, par value $.001 per share, of
the Company.

     (g) "COMPANY" means Lexicon Genetics Incorporated, a Delaware corporation.

     (h) "CONSULTANT" means any person, including an advisor, (i) engaged by the
Company or an Affiliate to render consulting or advisory services and who is
compensated for such services or (ii) who is a member of the Board of Directors
of an Affiliate. However, the term "Consultant" shall not include either
Directors of the Company who are not compensated by the Company for their
services as Directors or Directors of the Company who are merely paid a
director's fee by the Company for their services as Directors.

     (i) "CONTINUOUS SERVICE" means that the Optionholder's service with the
Company or an Affiliate, whether as an Employee, Director or Consultant, is not
interrupted or terminated. The Optionholder's Continuous Service shall not be
deemed to have terminated merely because of a change in the capacity in which
the Optionholder renders service to the Company or an Affiliate as an Employee,
Consultant or Director or a change in the entity for which the Optionholder
renders such service, provided that there is no interruption or termination of
the Optionholder's Continuous Service. For example, a change in status from a
Non-Employee Director of the Company to a Consultant of an Affiliate or an
Employee of the Company will not constitute an interruption of Continuous
Service. The Board or the chief executive officer of the Company, in that
party's sole discretion, may determine whether Continuous Service shall be
considered interrupted in the case of any leave of absence approved by that
party, including sick leave, military leave or any other personal leave.

     (j) "DIRECTOR" means a member of the Board of Directors of the Company.

                                        1

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     (k) "DISABILITY" means the permanent and total disability of a person
within the meaning of Section 22(e)(3) of the Code.

     (l) "EMPLOYEE" means any person employed by the Company or an Affiliate.
Mere service as a Director or payment of a director's fee by the Company or an
Affiliate shall not be sufficient to constitute "employment" by the Company or
an Affiliate.

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

     (n) "FAIR MARKET VALUE" means, as of any date, the value of the Common
Stock determined as follows:

          (i) If the Common Stock is listed on any established stock exchange or
     traded on the Nasdaq National Market or the Nasdaq SmallCap Market, the
     Fair Market Value of a share of Common Stock shall be the closing sales
     price for such stock (or the closing bid, if no sales were reported) as
     quoted on such exchange or market (or the exchange or market with the
     greatest volume of trading in the Common Stock) on the last market trading
     day prior to the day of determination, as reported in The Wall Street
     Journal or such other source as the Board deems reliable.

          (ii) In the absence of such markets for the Common Stock, the Fair
     Market Value shall be determined in good faith by the Board.

     (o) "INITIAL GRANT" means an Option granted to a Non-Employee Director who
meets the specified criteria pursuant to subsection 6(a) of the Plan.

     (p) "IPO DATE" means the effective date of the initial public offering of
the Common Stock.

     (q) "NON-EMPLOYEE DIRECTOR" means a Director who is not an Employee.

     (r) "NONSTATUTORY STOCK OPTION" means an Option not intended to qualify as
an incentive stock option within the meaning of Section 422 of the Code and the
regulations promulgated thereunder.

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

     (t) "OPTION" means a Nonstatutory Stock Option granted pursuant to the
Plan.

     (u) "OPTION AGREEMENT" means a written agreement between the Company and an
Optionholder evidencing the terms and conditions of an individual Option grant.
Each Option Agreement shall be subject to the terms and conditions of the Plan.

     (v) "OPTIONHOLDER" means a person to whom an Option is granted pursuant to
the Plan or, if applicable, such other person who holds an outstanding Option.

     (w) "PLAN" means this Lexicon Genetics Incorporated 2000 Non-Employee
Directors' Stock Option Plan.

     (x) "RULE 16B-3" means Rule 16b-3 promulgated under the Exchange Act or any
successor to Rule 16b-3, as in effect from time to time.

     (y) "SECURITIES ACT" means the Securities Act of 1933, as amended.

                                        2

<PAGE>

3. ADMINISTRATION.

     (a) ADMINISTRATION BY BOARD. The Board shall administer the Plan. The Board
may not delegate administration of the Plan to a committee.

     (b) POWERS OF BOARD. The Board shall have the power, subject to, and within
the limitations of, the express provisions of the Plan:

          (i) To determine the provisions of each Option to the extent not
     specified in the Plan.

          (ii) To construe and interpret the Plan and Options granted under it,
     and to establish, amend and revoke rules and regulations for its
     administration. The Board, in the exercise of this power, may correct any
     defect, omission or inconsistency in the Plan or in any Option Agreement,
     in a manner and to the extent it shall deem necessary or expedient to make
     the Plan fully effective.

          (iii) To amend the Plan or an Option as provided in Section 12.

          (iv) Generally, to exercise such powers and to perform such acts as
     the Board deems necessary or expedient to promote the best interests of the
     Company that are not in conflict with the provisions of the Plan.

     (c) EFFECT OF BOARD'S DECISION. All determinations, interpretations and
constructions made by the Board in good faith shall not be subject to review by
any person and shall be final, binding and conclusive on all persons.

4. SHARES SUBJECT TO THE PLAN.

     (a) SHARE RESERVE. Subject to the provisions of Section 11 relating to
adjustments upon changes in the Common Stock, the Common Stock that may be
issued pursuant to Options shall not exceed in the aggregate Six Hundred
Thousand (600,000) shares of Common Stock.

     (b) EVERGREEN SHARE RESERVE INCREASE.

          (i) Notwithstanding subsection 4(a) hereof, on the day after each
     Annual Meeting (the "Calculation Date") for a period of ten (10) years,
     commencing with the Annual Meeting in 2000, the aggregate number of shares
     of Common Stock that is available for issuance under the Plan shall
     automatically be increased by that number of shares equal to the greater of
     (1) three-tenths of one percent (0.3%) of the Diluted Shares Outstanding or
     (2) the number of shares of Common Stock subject to Options granted during
     the prior 12-month period; provided, however, that the Board, from time to
     time, may provide for a lesser increase in the aggregate number of shares
     of Common Stock that is available for issuance under the Plan.

          (ii) "Diluted Shares Outstanding" shall mean, as of any date, (1) the
     number of outstanding shares of Common Stock of the Company on such
     Calculation Date, plus (2) the number of shares of Common Stock issuable
     upon such Calculation Date assuming the conversion of all outstanding
     Preferred Stock and convertible notes, plus (3) the additional number of
     dilutive Common Stock equivalent shares outstanding as the result of any
     options or warrants outstanding during the fiscal year, calculated using
     the treasury stock method.

     (c) REVERSION OF SHARES TO THE SHARE RESERVE. If any Option shall for any
reason expire or otherwise terminate, in whole or in part, without having been
exercised in full, the shares of Common Stock not acquired under such Option
shall revert to and again become available for issuance under the Plan.

     (d) SOURCE OF SHARES. The shares of Common Stock subject to the Plan may be
unissued shares or reacquired shares, bought on the market or otherwise.

                                        3

<PAGE>

5. ELIGIBILITY.

     The Options as set forth in section 6 automatically shall be granted under
the Plan to all Non-Employee Directors.

6. NON-DISCRETIONARY GRANTS.

     (a) INITIAL GRANTS. Without any further action of the Board, each person
who is elected or appointed for the first time to be a Non-Employee Director
automatically shall, upon the date of his or her initial election or appointment
to be a Non-Employee Director, be granted an Initial Grant to purchase Thirty
Thousand (30,000) shares of Common Stock on the terms and conditions set forth
herein.

     (b) ANNUAL GRANTS. Without any further action of the Board, on the day
following each Annual Meeting, commencing with the Annual Meeting in 2001, each
person who is then a Non-Employee Director, and has been a Non-Employee Director
for at least six (6) months, automatically shall be granted an Annual Grant to
purchase Ten Thousand (10,000) shares of Common Stock on the terms and
conditions set forth herein.

7. OPTION PROVISIONS. Each Option shall be in such form and shall contain such
terms and conditions as required by the Plan. Each Option shall contain such
additional terms and conditions, not inconsistent with the Plan, as the Board
shall deem appropriate. Each Option shall include (through incorporation of
provisions hereof by reference in the Option or otherwise) the substance of each
of the following provisions:

     (a) TERM. No Option shall be exercisable after the expiration of ten (10)
years from the date it was granted.

     (b) EXERCISE PRICE. The exercise price of each Option shall be one hundred
percent (100%) of the Fair Market Value of the stock subject to the Option on
the date the Option is granted. Notwithstanding the foregoing, an Option may be
granted with an exercise price lower than that set forth in the preceding
sentence if such Option is granted pursuant to an assumption or substitution for
another option in a manner satisfying the provisions of Section 424(a) of the
Code.

     (c) CONSIDERATION. The purchase price of stock acquired pursuant to an
Option may be paid, to the extent permitted by applicable statutes and
regulations, in any combination of (i) cash or check, or (ii) delivery to the
Company of other Common Stock. The purchase price of Common Stock acquired
pursuant to an Option that is paid by delivery to the Company of other Common
Stock acquired, directly or indirectly from the Company, shall be paid only by
shares of the Common Stock of the Company that have been held for more than six
(6) months (or such longer or shorter period of time required to avoid a charge
to earnings for financial accounting purposes). At any time that the Company is
incorporated in Delaware, payment of the Common Stock's "par value," as defined
in the Delaware General Corporation Law, shall not be made by deferred payment.

     (d) TRANSFERABILITY. An Option is not transferable, except (i) by will or
by the laws of descent and distribution, (ii) by instrument to an inter vivos or
testamentary trust, in a form accepted by the Company, in which the Option is to
be passed to beneficiaries upon the death of the trustor (settlor) and (iii) by
gift, in a form accepted by the Company, to a member of the "immediate family"
of the Optionholder as that term is defined in 17 C.F.R. 240.16a-1(e). In
addition, Optionholder may, by delivering written notice to the Company, in a
form satisfactory to the Company, designate a third party who, in the event of
the death of the Optionholder, shall thereafter be entitled to exercise the
Option.

     (e) VESTING. Options shall vest as follows:

          (i) Initial Grants shall provide for vesting of 1/60th of the shares
     subject to the Option each month after grant for five (5) years after the
     date of the grant.

          (ii) Annual Grants shall provide for vesting of 1/12th of the shares
     subject to the Option each month after grant for twelve (12) months after
     the date of the grant.

                                        4

<PAGE>

     (f) TERMINATION OF CONTINUOUS SERVICE. In the event an Optionholder's
Continuous Service terminates (other than upon the Optionholder's death or
Disability), the Optionholder may exercise his or her Option (to the extent that
the Optionholder was entitled to exercise it as of the date of termination) but
only within such period of time ending on the earlier of (i) the date six (6)
months following the termination of the Optionholder's Continuous Service, or
(ii) the expiration of the term of the Option as set forth in the Option
Agreement. If, after termination, the Optionholder does not exercise his or her
Option within the time specified in the Option Agreement, the Option shall
terminate.

     (g) EXTENSION OF TERMINATION DATE. If the exercise of the Option following
the termination of the Optionholder's Continuous Service (other than upon the
Optionholder's death or Disability) would be prohibited at any time solely
because the issuance of shares would violate the registration requirements under
the Securities Act, then the Option shall terminate on the earlier of (i) the
expiration of the term of the Option set forth in subsection 7(a) or (ii) the
expiration of a period of three (3) months after the termination of the
Optionholder's Continuous Service during which the exercise of the Option would
not be in violation of such registration requirements.

     (h) DISABILITY OF OPTIONHOLDER. In the event an Optionholder's Continuous
Service terminates as a result of the Optionholder's Disability, the
Optionholder may exercise his or her Option (to the extent that the Optionholder
was entitled to exercise it as of the date of termination), but only within such
period of time ending on the earlier of (i) the date twelve (12) months
following such termination or (ii) the expiration of the term of the Option as
set forth in the Option Agreement. If, after termination, the Optionholder does
not exercise his or her Option within the time specified herein, the Option
shall terminate.

     (i) DEATH OF OPTIONHOLDER. In the event (i) an Optionholder's Continuous
Service terminates as a result of the Optionholder's death or (ii) the
Optionholder dies within the three-month period after the termination of the
Optionholder's Continuous Service for a reason other than death, then the Option
may be exercised (to the extent the Optionholder was entitled to exercise the
Option as of the date of death) by the Optionholder's estate, by a person who
acquired the right to exercise the Option by bequest or inheritance or by a
person designated to exercise the Option upon the Optionholder's death, but only
within the period ending on the earlier of (1) the date eighteen (18) months
following the date of death or (2) the expiration of the term of such Option as
set forth in the Option Agreement. If, after death, the Option is not exercised
within the time specified herein, the Option shall terminate.

8. COVENANTS OF THE COMPANY.

     (a) AVAILABILITY OF SHARES. During the terms of the Options, the Company
shall keep available at all times the number of shares of Common Stock required
to satisfy such Options.

     (b) SECURITIES LAW COMPLIANCE. The Company shall seek to obtain from each
regulatory commission or agency having jurisdiction over the Plan such authority
as may be required to grant Options and to issue and sell shares of Common Stock
upon exercise of the Options; provided, however, that this undertaking shall not
require the Company to register under the Securities Act the Plan, any Option or
any stock issued or issuable pursuant to any such Option. If, after reasonable
efforts, the Company is unable to obtain from any such regulatory commission or
agency the authority which counsel for the Company deems necessary for the
lawful issuance and sale of stock under the Plan, the Company shall be relieved
from any liability for failure to issue and sell stock upon exercise of such
Options unless and until such authority is obtained.

9. USE OF PROCEEDS FROM STOCK. Proceeds from the sale of stock pursuant to
Options shall constitute general funds of the Company.

10. MISCELLANEOUS.

     (a) STOCKHOLDER RIGHTS. No Optionholder shall be deemed to be the holder
of, or to have any of the rights of a holder with respect to, any shares subject
to such Option unless and until such Optionholder has satisfied all requirements
for exercise of the Option pursuant to its terms.

                                        5

<PAGE>

     (b) NO SERVICE RIGHTS. Nothing in the Plan or any instrument executed or
Option granted pursuant thereto shall confer upon any Optionholder any right to
continue to serve the Company as a Non-Employee Director or shall affect the
right of the Company or an Affiliate to terminate (i) the employment of an
Employee with or without notice and with or without cause, (ii) the service of a
Consultant pursuant to the terms of such Consultant's agreement with the Company
or an Affiliate or (iii) the service of a Director pursuant to the Bylaws of the
Company or an Affiliate, and any applicable provisions of the corporate law of
the state in which the Company or the Affiliate is incorporated, as the case may
be.

     (c) INVESTMENT ASSURANCES. The Company may require an Optionholder, as a
condition of exercising or acquiring stock under any Option, (i) to give written
assurances satisfactory to the Company as to the Optionholder's knowledge and
experience in financial and business matters and/or to employ a purchaser
representative reasonably satisfactory to the Company who is knowledgeable and
experienced in financial and business matters and that he or she is capable of
evaluating, alone or together with the purchaser representative, the merits and
risks of exercising the Option; and (ii) to give written assurances satisfactory
to the Company stating that the Optionholder is acquiring the stock subject to
the Option for the Optionholder's own account and not with any present intention
of selling or otherwise distributing the stock. The foregoing requirements, and
any assurances given pursuant to such requirements, shall be inoperative if
(iii) the issuance of the shares upon the exercise or acquisition of stock under
the Option has been registered under a then currently effective registration
statement under the Securities Act or (iv) as to any particular requirement, a
determination is made by counsel for the Company that such requirement need not
be met in the circumstances under the then applicable securities laws. The
Company may, upon advice of counsel to the Company, place legends on stock
certificates issued under the Plan as such counsel deems necessary or
appropriate in order to comply with applicable securities laws, including, but
not limited to, legends restricting the transfer of the stock.

     (d) WITHHOLDING OBLIGATIONS. The Optionholder may satisfy any federal,
state or local tax withholding obligation relating to the exercise or
acquisition of stock under an Option by any of the following means (in addition
to the Company's right to withhold from any compensation paid to the
Optionholder by the Company) or by a combination of such means: (i) tendering a
cash payment; (ii) authorizing the Company to withhold shares from the shares of
the Common Stock otherwise issuable to the Optionholder as a result of the
exercise or acquisition of stock under the Option, provided, however, that no
shares of Common Stock are withheld with a value exceeding the minimum amount of
tax required to be withheld by law; or (iii) delivering to the Company owned and
unencumbered shares of the Common Stock.

11. ADJUSTMENTS UPON CHANGES IN STOCK.

     (a) CAPITALIZATION ADJUSTMENTS. If any change is made in the stock subject
to the Plan, or subject to any Option, without the receipt of consideration by
the Company (through merger, consolidation, reorganization, recapitalization,
reincorporation, stock dividend, dividend in property other than cash, stock
split, liquidating dividend, combination of shares, exchange of shares, change
in corporate structure or other transaction not involving the receipt of
consideration by the Company), the Plan will be appropriately adjusted in the
class(es) and maximum number of securities subject both to the Plan pursuant to
subsection 4(a) and to the nondiscretionary Options specified in Section 5, and
the outstanding Options will be appropriately adjusted in the class(es) and
number of securities and price per share of stock subject to such outstanding
Options. The Board shall make such adjustments, and its determination shall be
final, binding and conclusive. (The conversion of any convertible securities of
the Company shall not be treated as a transaction "without receipt of
consideration" by the Company.)

     (b) CHANGE IN CONTROL -- DISSOLUTION OR LIQUIDATION. In the event of a
dissolution or liquidation of the Company, then all outstanding Options shall
terminate immediately prior to such event.

     (c) CHANGE IN CONTROL -- ASSET SALE, MERGER, CONSOLIDATION OR REVERSE
MERGER.

          (i) In the event of (i) a sale, lease or other disposition of all or
     substantially all of the assets of the Company, (ii) a merger or
     consolidation in which the Company is not the surviving corporation or
     (iii) a reverse merger in which the Company is the surviving corporation
     but the shares of Common Stock outstanding immediately preceding the merger
     are converted by virtue of the merger into other property,

                                        6

<PAGE>

     whether in the form of securities, cash or otherwise, then any surviving
     corporation or acquiring corporation shall assume any Options outstanding
     under the Plan or shall substitute similar Options (including an option to
     acquire the same consideration paid to the stockholders in the transaction
     described in this subsection 11(c) for those outstanding under the Plan).

          (ii) In the event any surviving corporation or acquiring corporation
     refuses to assume such Options or to substitute similar Options for those
     outstanding under the Plan, then the vesting of such Options and the
     vesting of any shares of Common Stock acquired pursuant to such Options
     shall be accelerated in full, and the Options shall terminate if not
     exercised at or prior to such event.

          (iii) In the event any surviving corporation or acquiring corporation
     assumes such Options or substitutes similar Options for those outstanding
     under the Plan but the Optionholder is not elected or appointed to the
     board of directors of the surviving corporation or acquiring corporation at
     the first meeting of such board of directors after such change in control
     event, then the vesting of such Options and the vesting of any shares of
     Common Stock acquired pursuant to such Options shall be accelerated by
     eighteen (18) months on the day after the first meeting of the board of
     directors of the surviving corporation or acquiring corporation.

          (iv) In the event any surviving corporation or acquiring corporation
     assumes such Options or substitutes similar Options for those outstanding
     under the Plan and the Optionholder is elected or appointed to the board of
     directors of the surviving corporation or acquiring corporation at the
     first meeting of such board of directors after such change in control
     event, then the vesting of such Options and the vesting of any shares of
     Common Stock acquired pursuant to such Options shall not be accelerated.

12. AMENDMENT OF THE PLAN AND OPTIONS.

     (a) AMENDMENT OF PLAN. The Board at any time, and from time to time, may
amend the Plan. However, except as provided in Section 11 relating to
adjustments upon changes in stock, no amendment shall be effective unless
approved by the stockholders of the Company to the extent stockholder approval
is necessary to satisfy the requirements of Rule 16b-3 or any Nasdaq or
securities exchange listing requirements.

     (b) STOCKHOLDER APPROVAL. The Board may, in its sole discretion, submit any
other amendment to the Plan for stockholder approval.

     (c) NO IMPAIRMENT OF RIGHTS. Rights under any Option granted before
amendment of the Plan shall not be impaired by any amendment of the Plan unless
(i) the Company requests the consent of the Optionholder and (ii) the
Optionholder consents in writing.

     (d) AMENDMENT OF OPTIONS. The Board at any time, and from time to time, may
amend the terms of any one or more Options; provided, however, that the rights
under any Option shall not be impaired by any such amendment unless (i) the
Company requests the consent of the Optionholder and (ii) the Optionholder
consents in writing.

13. TERMINATION OR SUSPENSION OF THE PLAN.

     (a) PLAN TERM. The Board may suspend or terminate the Plan at any time.
Unless sooner terminated, the Plan shall terminate on the day before the tenth
(10th) anniversary of the date the Plan is adopted by the Board or approved by
the stockholders of the Company, whichever is earlier. No Options may be granted
under the Plan while the Plan is suspended or after it is terminated.

     (b) NO IMPAIRMENT OF RIGHTS. Suspension or termination of the Plan shall
not impair rights and obligations under any Option granted while the Plan is in
effect except with the written consent of the Optionholder.

                                        7

<PAGE>

14. EFFECTIVE DATE OF PLAN. The Plan shall become effective on the IPO Date, but
no Option shall be exercised unless and until the Plan has been approved by the
stockholders of the Company, which approval shall be within twelve (12) months
before or after the date the Plan is adopted by the Board.

15. CHOICE OF LAW. All questions concerning the construction, validity and
interpretation of this Plan shall be governed by the law of the State of
Delaware, without regard to such state's conflict of laws rules.

                                        8

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