Document:

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                                                                   Exhibit 10.19

                             GENOMICA CORPORATION

                             AMENDED AND RESTATED

                            1996 STOCK OPTION PLAN

                                       Date Amended and Restated: April 15, 1998
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                             GENOMICA CORPORATION

                  AMENDED AND RESTATED 1996 STOCK OPTION PLAN

1.   Purpose of the Plan

     The purpose of the Plan is to assist the Company in attracting and
retaining valued employees, non-employee directors and independent contractors
by offering them a greater stake in the Company's success and a closer identity
with it, and to encourage ownership of the Company's stock by such employees,
non-employee directors and independent contractors.

2.   Definitions

     2.1   "Award" means an award of Options under the Plan.

     2.2   "Board" means the Board of Directors of the Company.

     2.3   "Code" means the Internal Revenue Code of 1986, as amended.

     2.4   "Common Stock" means the common stock of the Company, par value
$0.001 per share, or such other class or kind of shares or other securities
resulting from the application of Section 7.

     2.5   "Company" means Genomica Corporation, a Delaware corporation, or any
successor corporation.

     2.6   "Committee" means the committee designated by the Board to administer
the Plan under Section 4.

     2.7   "Director" means a member of the Board who is not an Employee.

     2.8   "Employee" means an officer or other key employee of the Company
including a director who is such an employee. Neither service as a director nor
payment of a director's fee by the Company shall be sufficient to constitute
"employment" by the Company.

     2.9   "Fair Market Value" means, on any given date, the fair market value
per share as determined exclusively by the Board in its reasonable judgment.

     2.10  "Holder" means an Employee, Director or Independent Contractor to
whom an Award is made.

     2.11  "Incentive Stock Option" means an Option intended to meet the
requirements of an incentive stock option as defined in section 422 of the Code
and designated as an Incentive Stock Option.

                                       1.
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     2.12  "Independent Contractor" means an individual other than an Employee
who performs services for the Company and includes services as a member of the
Scientific Advisory Board of the Company.

     2.13  "Non-Qualified Stock Option" means an Option not intended to be an
Incentive Stock Option, and designated as a Non-Qualified Stock Option.

     2.14  "Option" means any stock option granted from time to time under
Section 6 of the Plan.

     2.15  "Option Agreement" means a written agreement between the Company and
an Optionee evidencing the terms and conditions of an individual Option grant.
Option Agreement shall include documents titled "Stock Option Agreement", as
well as "Stock Option Grant Notice". Each Option Agreement shall be subject to
the terms and conditions of the Plan.

     2.16  "Option Share" means any share of Common Stock purchased upon the
exercise of an Option.

     2.17  "Plan" means the Genomica Corporation Amended and Restated 1996
Option Plan herein set forth, as amended from time to time.

     2.18  "Prime Rate" means the prime rate of interest as announced or
published by a majority of he following New York City banks: The Chase Manhattan
Bank, N.A., Chemical Bank and Bankers Trust Company; but if there be no such
majority, then the "Prime Rate" shall be the average of the prime rates as
announced or published by such banks.

     2.19  "Securities Act" means the Securities Act of 1933, as amended.

     2.20  "Ten Percent Stockholder" means a person who on any given date owns,
either directly or indirectly (taking into account the attribution rules
contained in section 424(d) of the Code), stock possessing more than 10% of the
total combined voting power of all classes of stock of the Company or any
subsidiary of which the Company has a 50% or greater, direct or indirect
ownership.

3.   Eligibility

     Any Employee, Director or Independent Contractor is eligible to receive an
Award.

4.   Administration and Implementation of Plan

     4.1   The Plan shall be administered by the Committee, which shall have
full power to interpret and administer the Plan and full authority to act in
selecting the Employees, Directors and Independent Contractors to whom Awards
will be granted, in determining the type and amount of Awards to be granted to
each such Employee, Director or Independent Contractor, the terms and conditions
of Awards granted under the Plan and the terms of agreements which will be
entered into with Holders. If the Board does not delegate administration of the
Plan to the

                                       2.
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Committee or abolishes the Committee, then the Board may administer the Plan
and, in such case, all references in this Plan to the Committee shall thereafter
be to the Board.

     4.2   The Committee shall have the power to adopt regulations for carrying
out the Plan and to make changes in such regulations as it shall, from time to
time, deem advisable. The Committee shall have the power unilaterally and
without approval of a Holder to amend an existing Award in order to carry out
the purposes of the Plan so long as such an amendment does not take away any
benefit granted to a Holder by the Award and as long as the amended Award
comports with the terms of the Plan. Any interpretation by the Committee of the
terms and provisions of the Plan and the administration thereof, and all action
taken by the Committee, shall be final and binding on all Holders.

5.   Shares of Stock Subject to the Plan

     5.1   Subject to adjustment as provided in Section 7, the total number of
shares of Common Stock available for Awards under the Plan shall be 2,000,000
shares.

     5.2   Any shares issued by the Company through the assumption or
substitution of outstanding grants from an acquired company shall not reduce the
shares available for Awards under the Plan. Any shares issued hereunder may
consist, in whole or in part, of authorized and unissued shares or treasury
shares. If any shares subject to any Award granted hereunder are forfeited or
such Award otherwise terminates without the issuance of such shares or the
payment of other consideration in lieu of such shares, the shares subject to
such Award, to the extent of any such forfeiture or termination, shall again be
available for Awards under the Plan.

6.   Options

     Options give an Employee, a Director or an Independent Contractor the right
to purchase a specified number of shares of Common Stock from the Company for a
specified time period at a fixed price. The grant of Options shall be subject to
the following terms and conditions:

     6.1   Option Grants. Options shall be granted to an Employee, Director or
Independent Contractor at the time and in the amount determined by the
Committee. Options shall be evidenced by Option Agreements. Such Option
Agreements shall conform to the requirements of the Plan, and may contain such
other provisions as the Committee shall deem advisable.

     6.2   Option Price. The price per share at which Common Stock may be
purchased upon exercise of an Option shall be determined by the Committee, but
shall be not less than the Fair Market Value of a share of Common Stock on the
date of grant. In the case of any Incentive Stock Option granted to a Ten
Percent Stockholder, the option price per share shall not be less than 110% of
the Fair Market Value of a share of Common Stock on the date of grant.

     6.3   Term of Options. The Option Agreement shall specify when an Option
may be exercisable and the terms and conditions applicable thereto. The term of
an Option shall in no

                                       3.
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event be greater than ten years (five years in the case of an Incentive Stock
Option granted to a Ten Percent Stockholder).

           6.3.1  Vesting.  The total number of shares of stock subject to an
Option may, but need not, be allotted in periodic installments (which may, but
need not, be equal). The Option Agreement may provide that from time to time
during each of such installment periods, the Option may become exercisable
("vest") with respect to some or all of the shares allotted to that period, and
may be exercised with respect to some or all of the shares allotted to such
period and/or any prior period as to which the Option became vested but was not
fully exercised. The Option may be subject to such other terms and conditions on
the time or times when it may be exercised (which may be based on performance or
other criteria) as the Board may deem appropriate. The provisions of this
subsection 6.3.1 are subject to any Option provisions governing the minimum
number of shares as to which an Option may be exercised.

           6.3.2  Early Exercise. Options granted under the Plan may contain a
provision in the Option Agreement allowing a Holder to exercise an Option prior
to the date on which the Option is vested. Any Option Shares purchased through
such an early exercise will be subject to the repurchase right described in
Section 6.12 for a period of time which is at least until the underlying Options
would have become vested.

     6.4   Incentive Stock Options. Each provision of the Plan and each Option
Agreement relating to an Incentive Stock Option shall be construed so that each
Incentive Stock Option shall be an "incentive stock option" as defined in
section 422 of the Code, and any provisions of such Option Agreement that cannot
be so construed shall be disregarded. In no event may a Holder be granted an
Incentive Stock Option which does not comply with such grant and limitations
under section 422(d) of the Code.

     6.5   Restrictions on Transferability. Except as provided below, Awards may
not be pledged, assigned or transferred for any reason during the Holder's
lifetime, and any attempt to do so shall be void and the relevant Award shall be
forfeited. The Committee may grant Awards (except Incentive Stock Options) that
are transferable by the Holder during his lifetime, but such Awards shall be
transferable only to the extent specifically provided in the agreement entered
into with the Holder. A transferee of the Holder shall, in all cases, be subject
to the provisions of the agreement between the Company and the Holder. No
Incentive Stock Option shall be transferable otherwise than by will or the laws
of descent and distribution and, during the lifetime of the Holder, shall be
exercisable only by the Holder. Upon the death of a Holder, the person to whom
such Holder's rights have passed by will or by the laws of descent and
distribution may exercise an Incentive Stock Option only in accordance with this
Section 6.

     6.6   Payment of Option Price. Stock Options may provide that full payment
for Option Shares purchased upon the exercise of an Option be made in cash, or,
subject to the approval of the Board: (i) by surrendering shares of the
Company's Common Stock that have been owned by the Optionee for at least six
months and that have an aggregate Fair Market Value equal to the Option Price,
(ii) by delivering a promissory note of the Optionee (such note to be with full
recourse against the Optionee and to contain such other terms as required by the
Board),

                                       4.
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(iii) delivery of an irrevocable undertaking by a broker to deliver promptly to
the Company sufficient funds to pay the Option Price or delivery of irrevocable
instructions to a broker to deliver promptly to the Company cash or a check
sufficient to pay the Option Price, (iv) payment of such other lawful
consideration as the Board may determine, or (v) any combination of the
foregoing.

     6.7   Termination by Death. If a Holder's service with the Company as an
Employee, Director or Independent Contractor terminates by reason of such
Holder's death, any Option granted to such Holder may thereafter be exercised
(to the extent such Option was exercisable at the time of death or on such
accelerated basis as the Committee may determine at or after grant) by, where
appropriate, the Holder's transferee or by the Holder's legal representative,
for a period of twelve (12) months from the date of death or until the
expiration of the stated term of the Option, whichever period is shorter.

     6.8   Termination by Reason of Disability. If a Holder's service with the
Company as an Employee, Director or Independent Contractor terminates by reason
of disability (as defined in section 22(e)(3) of the Code), any unexercised
Option granted to the Holder may thereafter be exercised by the Holder (or,
where appropriate, the Holder's transferee or legal representative), to the
extent it was exercisable at the time of termination or on such accelerated
basis as the Committee may determine at or after grant, for a period of twelve
(12) months from the date of such termination or until the expiration of the
stated term of the Option, whichever period is shorter.

     6.9   Other Termination. If a Holder's service with the Company as an
Employee, Director or Independent Contractor terminates for any reason other
than death or disability, all unexercised Options, to the extent they were
exercisable at the time of termination, may be exercised within three (3) months
following the Holder's termination and any unexercised Options shall then
terminate at the end of such three-month period. All Options that are
unexercisable at the time of the Holder's termination shall immediately
terminate on the date of the Holder's termination.

     6.10  Right of First Refusal of Company. In the event that any Holder of
Option Shares receives a bona fide offer from a third party to purchase a
complete or partial interest in such Option Shares, the Holder may not transfer
the Option Shares (i) unless otherwise permitted by the provisions of the Plan
and the Option Agreement, and (ii) without first offering to sell such Option
Shares to the Company or its designee pursuant to this Section 6.10. The Holder
shall deliver a written notice (a "Sale Notice") to the Company describing in
reasonable detail the Option Shares, the name of the offeror, the purchase price
offered and all other material terms of the proposed transfer. The Sale Notice
shall be delivered to and received by the Company at least sixty (60) days prior
to any such proposed sale. The Sale Notice shall constitute an irrevocable offer
by such Holder to sell the Option Shares described therein to the Company or its
designee in accordance with this Section 6.10. Upon receipt of the Sale Notice,
the Company or its designee shall have the right and option to purchase the
Option Shares on the terms of the proposed transfer set forth in the Sale
Notice, except for such terms as are otherwise specified or permitted by this
Section 6.10. Within 30 days after receipt of the Sale Notice, the Company

                                       5.
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shall notify such Holder whether or not it or its designee wishes to purchase
the Option Shares. If the Company or its designee elects to purchase the Option
Shares, the closing of the purchase and sale of the Option Shares shall be held
at the place and on the date established by the Company in its notice to the
Holder in response to the Sale Notice, which date shall be not more than 30 days
from the date of the Company's notice, unless the terms of the proposed transfer
provide for a later closing date. If neither the Company nor its designee elect
to purchase the Option Shares, the Holder may, subject to the other provisions
of the Plan and the Agreement, transfer the Option Shares to the offeror
specified in the Sale Notice at a price no less than the price specified in the
Sale Notice and on other terms no more favorable to the offeror than specified
in the Sale Notice during the 90-day period immediately following the last date
on which the Company could have elected to purchase the Option Shares. Any such
Option Shares not so transferred within such 90-day period will be subject again
to all of the provisions of this Section 6.10 upon subsequent transfer.

     Anything to the contrary contained in this Section 6.10 notwithstanding,
the transfer of any or all of the Option Shares during the Holder's lifetime or
on the Holder's death by will or intestacy to Holder's immediate family or to a
trust for the benefit of Holder or Holder's immediate family shall be exempt
from the provisions of this Section 6.10; provided that, as a condition to
receiving the Option Shares, the transferee or other recipient shall agree in
writing to receive and hold Option Shares so transferred subject to the
provisions of the Plan, and to transfer such Option Shares no further except in
accordance with the terms of the Plan. As used herein, "immediate family" shall
mean spouse, lineal descendant or antecedent, father, mother, brother or sister.

     The Company's right of first refusal set forth in this Section 6.10 shall
terminate upon the closing of the Company's first firm commitment underwritten
public offering of its Common Stock registered under the Securities Act.

     6.11  Approved Sale of the Company.

     The Company retains the right to include in the Option Agreement for any
Option granted under this Plan provision consistent with the following
describing a Holder's obligations when there is an Approved Sale, as defined
below.

     If the Board and holders of a majority of the Common Stock (voting as a
single class) then outstanding approve the sale of the Company (whether by
merger, consolidation, sale of all or substantially all of the assets or
outstanding shares of capital stock (an "Approved Sale")), each Holder shall
consent to, vote for and raise no objections with respect to the Approved Sale,
and if the Approved Sale is structured as a sale of stock, shall agree to sell
all shares of capital stock held by such Holder on the terms and conditions
approved by the Board and the holders of a majority of the Common Stock then
outstanding. Each Holder shall take all action which is necessary or in the
judgment of the Company advisable to facilitate or consummate an Approved Sale.
The obligations of a Holder with respect to an Approved Sale of the Company are
subject to the satisfaction of the following: upon the consummation of the
Approved Sale, either all of the holders of Common Stock will receive the same
form and amount of consideration per share

                                       6.
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of Common Stock, or if any such holder of Common Stock is given an option as to
the form and amount of consideration to be received, such Holder will be given
the same option. Each Holder hereby appoints the Company as its or his true and
lawful proxy and attorney-in-fact, with full power of substitution and
resubstitution, to vote its or his shares of capital stock of the Company that
are entitled to vote to effectuate the provisions and intentions of this Section
6.11. The proxies and powers of attorney granted under this Section 6.11 are
hereby declared to be coupled with an interest and shall be irrevocable.

     6.12  Repurchase Right of Company.

           6.12.1  Upon the termination of an Optionee's service as an Employee,
Director or Independent Contractor, whether such termination was voluntary or
involuntary, with or without cause, or resulted from such Optionee's death or
disability ("Termination of Service"), the Company will have the right to
purchase all or any portion of the Restricted Shares (as defined below) by the
delivery of written notice to the Optionee (or if the Termination of Service
resulted from Optionee's death, to the Optionee's estate or personal
representative) within 30 days after Termination of Service; provided, that if
the Optionee (or the Optionee's estate) has the right to exercise an Option for
a period of time after the Termination of Service under the provisions of this
Plan or the Optionee's Option Agreement, the Company shall have until 30 days
after the termination of such period within which to exercise its repurchase
right.  The term "Restricted Shares" shall mean all Shares acquired by an
Optionee upon early exercise of an Option as provided in such Optionee's Option
Agreement and all shares of Common Stock or other securities of the Company
issued with respect to such Shares by stock splits, stock dividends,
recapitalizations, share exchanges, mergers or other reorganizations; provided,
however, that the term "Restricted Shares" shall not include any Shares with
respect to which an Optionee's Option has become exercisable (vested) pursuant
to such Optionee's Option Agreement as of the date of the Termination of
Service.

           6.12.2  The purchase price for the Restricted Shares for which the
Company's repurchase right is exercised ("Repurchased Shares") shall be the
Option Price (as defined in the Optionee's Option Agreement).

           6.12.3  If the Company exercises its repurchase right, the closing of
the purchase and sale will take place on a date designated by the Company which
must be within 30 days after delivery of the Company's notice of exercise. At
the closing, the Company will deliver its check to the Optionee in the amount of
the purchase price for the Repurchased Shares and the Optionee will deliver to
the Company a certificate or certificates for the Repurchased Shares, together
with an executed stock assignment assigning such shares to the Company.

           6.12.4  Until a Termination of Service and thereafter until the
Company either purchases the Repurchased Shares pursuant to its repurchase right
or does not exercise its repurchase right within the time provided, the Optionee
will not sell, give, pledge, grant a security interest in, or otherwise transfer
or encumber all or any part of the Restricted Shares.

                                       7.
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           6.12.5  The Company may retain all certificates or instruments
representing the Restricted Shares pursuant to the terms of this Section. Upon
exercise of the Company's repurchase right under the terms of this Section, the
Company will have authority to remit payment to the Optionee for the Repurchased
Shares, to transfer the Repurchased Shares to the Company (including, without
limitation, the execution on the Optionee's behalf of appropriate stock
assignments), and to execute all documents and take any and all other action
necessary or desirable to effect the foregoing. Each Optionee irrevocably
designates and appoints the Company as agent and attorney-in-fact for such
purpose. If the Company does not exercise its repurchase right in full within
the period provided after a Termination of Service, upon request of Optionee,
the Company will promptly deliver to the Optionee the certificate or other
instruments evidencing the Restricted Shares that were not purchased pursuant to
the Company's repurchase right, without any legend regarding its repurchase
right.

7.   Adjustments Upon Changes In Capitalization

     7.1   If any change is made in the stock subject to the Plan, or subject to
any Option (through merger, consolidation, reorganization, recapitalization,
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 type(s) and maximum
number of securities subject to the Plan pursuant to Section 5.1, and the
outstanding Options will be appropriately adjusted in the type(s) and number of
securities and price per share of stock subject to such outstanding Options.
Such adjustments shall be made by the Committee, the determination of which
shall be final, binding and conclusive. (The conversion of any convertible
securities of the Company shall not be treated as a "transaction not involving
the receipt of consideration by the Company.")

     7.2   In the event of: a Change of Control (as defined below): (i) any
surviving corporation shall assume any Options outstanding under the Plan or
shall substitute similar Options for those outstanding under the Plan, or (ii)
such Options shall continue in full force and effect. In the event any surviving
corporation refuses to assume or continue such Options, or to substitute similar
options for those outstanding under the Plan, then, with respect to Options held
by persons then performing services as Employees, the time during which such
Options may be exercised shall be accelerated and the Options terminated if not
exercised prior to such event.

     7.3   In the event of a Change of Control in which the surviving
corporation assumes the Options, or the Options continue in force, with respect
to each Option held by a person then performing services as Employees, unless
the Board specifically determines otherwise, immediately prior to the closing of
any such transaction the vesting of a portion of such options shall accelerate.
With regard to employees who have been employed for one year or longer, 50% of
the unvested portion of each such Option shall immediately vest, such that such
portion is exercisable prior to the Change of Control. With regard to employees
who have been employed less than one year, 25% of the unvested portion of each
such Option shall immediately vest, such that such portion is exercisable prior
to the Change of Control. In each of the two accelerated vesting situations
described in this Section 7.3, the acceleration shall occur on an

                                       8.
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option by option basis. (For example, if an employee who has been employed for
longer than one year has four outstanding options, 50% of the unvested portion
of each individual option, not 50% of the unvested portions of the options in
the aggregate, shall vest.) The remaining unvested portion of each such Option
shall continue to vest at the rate and for the balance of the term set forth in
each Option Agreement or as determined by the Board Unless specifically provided
otherwise, Options held by persons then performing services as Directors or
Consultants shall be unaffected by a Change of Control.

     "Change of Control" is defined as (1) a dissolution, liquidation, or sale
of all or substantially all of the assets of the Company; or (2) a merger,
consolidation, combination or other transaction in which the stockholders of the
Company prior to the transaction own less than a majority of the voting
securities of the surviving entity after the transaction.

8.   Effective Date, Termination and Amendment

     The Plan shall become effective on May 28, 1996, subject to stockholder
approval. The Plan shall remain in full force and effect until the earlier of 10
years from the date of its adoption by the Board, or the date it is terminated
by the Board. The Board shall have the power to amend, suspend or terminate the
Plan at any time.

     Termination of the Plan pursuant to this Section 8 shall not affect Awards
outstanding under the Plan at the time of termination.

9.   Market Standstill

     The Company (or a representative of the underwriters) may, in connection
with the first underwritten registration of the offering of any securities of
the Company under the Securities Act, require that Holder not sell or otherwise
transfer or dispose of any shares of Common Stock or other securities of the
Company during such period (not to exceed one hundred eighty (180) days)
following the effective date of the registration statement of the Company filed
under the Securities Act as may be requested by the Company or the
representative of the underwriters, provided that all executive officers and
directors of the Company have similarly agreed. Furthermore, the Company may
impose stop-transfer instructions with respect to securities subject to the
foregoing restrictions until the end of such period.

10.  General Provisions

     10.1  Nothing contained in the Plan, or any Award granted pursuant to the
Plan, shall confer upon any Employee any right with respect to continuance of
employment by the Company, nor interfere in any way with the right of the
Company to terminate the employment of any Employee at any time.

     10.2  Holders shall be responsible to make appropriate provision for all
taxes required to be withheld in connection with any Award, the exercise thereof
and the transfer of shares of Common Stock pursuant to this Plan. Such
responsibility shall extend to all applicable federal, state, local or foreign
withholding taxes. In the case of the payment of Awards in the form of

                                       9.
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Common Stock, or the exercise of Options, the Company shall, at the election of
the Holder, have the right to retain the number of shares of Common Stock whose
aggregate Fair Market Value equals the amount to be withheld in satisfaction of
the applicable withholding taxes. Agreements evidencing such Awards shall
contain appropriate provisions to effect withholding in this manner.

     10.3  To the extent that federal laws do not otherwise control, the Plan
and all determinations made and actions taken pursuant hereto shall be governed
by and construed according to the laws of Colorado without regard to its choice
of law provisions.

     10.4  The Committee may amend any outstanding Awards to the extent it deems
appropriate. Such amendment may be made by the Committee without the consent of
the Holder, except in the case of amendments adverse to the Holder, in which
case the Holder's consent is required to effect any such amendment.

                                      10.<PAGE>

                                                                   Exhibit 10.20

                             GENOMICA CORPORATION

                          2000 Equity Incentive Plan

      Adopted as Amended and Restated 1996 Stock Option Plan May 28, 1996
   Amended and Restated by Board as 2000 Equity Incentive Plan March __, 2000
       Amended and Restated Plan Approved By Stockholders March __, 2000
                       Termination Date:  March __, 2010

1.   Purposes.

     (a)  Eligible Stock Award Recipients. The persons eligible to receive Stock
Awards are the Employees, Directors and Consultants of the Company and its
Affiliates.

     (b)  Available Stock Awards. The purpose of the Plan is to provide a means
by which eligible recipients of Stock Awards may be given an opportunity to
benefit from increases in value of the Common Stock through the granting of the
following Stock Awards: (i) Incentive Stock Options, (ii) Nonstatutory Stock
Options, (iii) stock bonuses and (iv) rights to acquire restricted stock .

     (c)  General Purpose. The Company, by means of the Plan, seeks to retain
the services of the group of persons eligible to receive Stock Awards, to secure
and retain the services of new members of this group 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)  "Board" means the Board of Directors of the Company.

     (c)  "Cause," with respect to any Participant, means (except as otherwise
provided in the applicable Stock Award Agreement or an applicable written
employment contract executed by an authorized officer of the Company and such
Participant) such Participant's (i) conviction of any felony or any crime
involving moral turpitude or dishonesty, (ii) participation in a fraud or act of
dishonesty against the Company, (iii) conduct that, based upon a good faith and
reasonable factual investigation and determination by the Company, demonstrates
such Participant's gross unfitness to serve, (iv) failure, based upon a good
faith and reasonable factual determination by the Company, to meet the minimum
performance requirements of his or her position as established by the Company,
or (v) intentional, material violation of any contract between the Company and
such Participant or any statutory duty of such Participant to the Company that

                                       1.
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such Participant does not correct within thirty (30) days after written notice
to such Participant thereof. A Participant's physical or mental disability shall
not constitute "Cause."

     (d)  "Change in Control" means (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 and in which
beneficial ownership of securities of the Company representing at least fifty
percent (50%) of the combined voting power entitled to vote in the election of
the members of the Board has changed; (iii) a reverse merger in which the
Company is the surviving corporation but the shares of the Company's Common
Stock outstanding immediately preceding the merger are converted by virtue of
the merger into other property, whether in the form of securities, cash or
otherwise, and in which beneficial ownership of securities of the Company
representing at least fifty percent (50%) of the combined voting power entitled
to vote in the election of the member of the Board has changed; (iv) an
acquisition by any entity (other than (A) a controlled affiliate of the Company,
(B) any employee benefit plan, or related trust, sponsored or maintained by the
Company or subsidiary of the Company or other entity controlled by the Company,
or (C) any company owned directly or indirectly by stockholders of the Company
in substantially the same proportions as their ownership of Common Stock
interest of the Company, immediately prior to the occurrence with respect to
which the evaluation of the Change in Control is being made) of the beneficial
ownership, directly or indirectly, of securities of the Company representing at
least fifty percent (50%) of the combined voting power of the Company's then
outstanding securities; or (v) any event which causes the individuals who, as of
the date of adoption of the Plan, are members of the Company's Board (the
"Incumbent Board") to cease for any reason to constitute at least fifty percent
(50%) of the Board. (If the election, or nomination for election by the
Company's stockholders of any new Director is approved by a vote of at least
fifty percent (50%) of the Incumbent Board, such new Director shall be
considered to be a member of the Incumbent Board in the future.)

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

     (f)  "Committee" means a committee of one or more members of the Board
appointed by the Board in accordance with subsection 3(c).

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

     (h)  "Company" means Genomica Corporation, a Delaware corporation.

     (i)  "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 who are not compensated by the Company for their services as Directors
or Directors who are merely paid a director's fee by the Company for their
services as Directors.

     (j)  "Continuous Service" means that the Participant's service with the
Company or an Affiliate, whether as an Employee, Director or Consultant, is not
interrupted or terminated. The Participant's Continuous Service shall not be
deemed to have terminated merely because of

                                       2.
<PAGE>

a change in the capacity in which the Participant renders service to the Company
or an Affiliate as an Employee, Consultant or Director or a change in the entity
for which the Participant renders such service, provided that there is no
interruption or termination of the Participant's Continuous Service. For
example, a change in status from an Employee of the Company to a Consultant of
an Affiliate or a Director 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.

     (k)  "Covered Employee" means the chief executive officer and the four (4)
other highest compensated officers of the Company for whom total compensation is
required to be reported to stockholders under the Exchange Act, as determined
for purposes of Section 162(m) of the Code.

     (l)  "Director" means a member of the Board of Directors of the Company.

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

     (n)  "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.

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

     (p)  "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.

     (q)  "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.

     (r)  "Non-Employee Director" means a Director who either (i) is not a
current Employee or Officer of the Company or its parent or a subsidiary, does
not receive compensation (directly or indirectly) from the Company or its parent
or a subsidiary for services rendered as a consultant or in any capacity other
than as a Director (except for an amount as to which disclosure would not be
required under Item 404(a) of Regulation S-K promulgated pursuant to

                                       3.
<PAGE>

the Securities Act ("Regulation S-K")), does not possess an interest in any
other transaction as to which disclosure would be required under Item 404(a) of
Regulation S-K and is not engaged in a business relationship as to which
disclosure would be required under Item 404(b) of Regulation S-K; or (ii) is
otherwise considered a "non-employee director" for purposes of Rule 16b-3.

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

     (t)  "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.

     (u)  "Option" means an Incentive Stock Option or a Nonstatutory Stock
Option granted pursuant to the Plan.

     (v)  "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.

     (w)  "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.

     (x)  "Outside Director" means a Director who either (i) is not a current
employee of the Company or an "affiliated corporation" (within the meaning of
Treasury Regulations promulgated under Section 162(m) of the Code), is not a
former employee of the Company or an "affiliated corporation" receiving
compensation for prior services (other than benefits under a tax qualified
pension plan), was not an officer of the Company or an "affiliated corporation"
at any time and is not currently receiving direct or indirect remuneration from
the Company or an "affiliated corporation" for services in any capacity other
than as a Director or (ii) is otherwise considered an "outside director" for
purposes of Section 162(m) of the Code.

     (y)  "Participant" means a person to whom a Stock Award is granted pursuant
to the Plan or, if applicable, such other person who holds an outstanding Stock
Award.

     (z)  "Plan" means this Evoke Incorporated 2000 Equity Incentive Plan.

     (aa) "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.

     (bb) "Securities Act" means the Securities Act of 1933, as amended.

     (cc) "Stock Award" means any right granted under the Plan, including an
Option, a stock bonus and a right to acquire restricted stock.

     (dd) "Stock Award Agreement" means a written agreement between the Company
and a holder of a Stock Award evidencing the terms and conditions of an
individual Stock Award grant. Each Stock Award Agreement shall be subject to the
terms and conditions of the Plan.

                                       4.
<PAGE>

     (ee) "Ten Percent Stockholder" means a person who owns (or is deemed to own
pursuant to Section 424(d) of the Code) stock possessing more than ten percent
(10%) of the total combined voting power of all classes of stock of the Company
or of any of its Affiliates.

3.   Administration.

     (a)  Administration by Board. The Board shall administer the Plan unless
and until the Board delegates administration to a Committee, as provided in
subsection 3(c).

     (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 from time to time which of the persons eligible
under the Plan shall be granted Stock Awards; when and how each Stock Award
shall be granted; what type or combination of types of Stock Award shall be
granted; the provisions of each Stock Award granted (which need not be
identical), including the time or times when a person shall be permitted to
receive Common Stock pursuant to a Stock Award; and the number of shares of
Common Stock with respect to which a Stock Award shall be granted to each such
person.

          (ii)  To construe and interpret the Plan and Stock Awards 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 Stock Award 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 a Stock Award 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 which are not in conflict with the provisions of the Plan.

     (c)  Delegation to Committee.

          (i)   General.  The Board may delegate administration of the Plan to a
Committee or Committees of one (1) or more members of the Board, and the term
"Committee" shall apply to any person or persons to whom such authority has been
delegated. If administration is delegated to a Committee, the Committee shall
have, in connection with the administration of the Plan, the powers theretofore
possessed by the Board, including the power to delegate to a subcommittee any of
the administrative powers the Committee is authorized to exercise (and
references in this Plan to the Board shall thereafter be to the Committee or
subcommittee), subject, however, to such resolutions, not inconsistent with the
provisions of the Plan, as may be adopted from time to time by the Board. The
Board may abolish the Committee at any time and revest in the Board the
administration of the Plan.

          (ii)  Committee Composition when Common Stock is Publicly Traded. At
such time as the Common Stock is publicly traded, in the discretion of the
Board, a Committee may consist solely of two or more Outside Directors, in
accordance with Section 162(m) of the Code, and/or solely of two or more Non-
Employee Directors, in accordance with Rule 16b-3.

                                       5.
<PAGE>

Within the scope of such authority, the Board or the Committee may (1) delegate
to a committee of one or more members of the Board who are not Outside Directors
the authority to grant Stock Awards to eligible persons who are either (a) not
then Covered Employees and are not expected to be Covered Employees at the time
of recognition of income resulting from such Stock Award or (b) not persons with
respect to whom the Company wishes to comply with Section 162(m) of the Code;
and/or (2) delegate to a committee of one or more members of the Board who are
not Non-Employee Directors the authority to grant Stock Awards to eligible
persons who are not then subject to Section 16 of the Exchange Act.

     (d)  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 Common Stock, the Common Stock that may be issued
pursuant to Stock Awards shall not exceed in the aggregate five million
(5,000,000) shares of Common Stock.

     (b)  Reversion of Shares to the Share Reserve. If any Stock Award 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 Stock
Award shall revert to and again become available for issuance under the Plan.

     (c)  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.

5.   Eligibility.

     (a)  Eligibility for Specific Stock Awards. Incentive Stock Options may be
granted only to Employees. Stock Awards other than Incentive Stock Options may
be granted to Employees, Directors and Consultants.

     (b)  Ten Percent Stockholders. A Ten Percent Stockholder shall not be
granted an Incentive Stock Option unless the exercise price of such Option is at
least one hundred ten percent (110%) of the Fair Market Value of the Common
Stock at the date of grant and the Option is not exercisable after the
expiration of five (5) years from the date of grant.

     (c)  Section 162(m) Limitation. Subject to the provisions of Section 11
relating to adjustments upon changes in the shares of Common Stock, no Employee
shall be eligible to be granted Options covering more than two million five
hundred thousand (2,500,000) shares of Common Stock during any calendar year.

                                       6.
<PAGE>

     (d)  Consultants.

          (i)  A Consultant shall not be eligible for the grant of a Stock Award
if, at the time of grant, a Form S-8 Registration Statement under the Securities
Act ("Form S-8") is not available to register either the offer or the sale of
the Company's securities to such Consultant because of the nature of the
services that the Consultant is providing to the Company, or because the
Consultant is not a natural person, or as otherwise provided by the rules
governing the use of Form S-8, unless the Company determines both (i) that such
grant (A) shall be registered in another manner under the Securities Act (e.g.,
on a Form S-3 Registration Statement) or (B) does not require registration under
the Securities Act in order to comply with the requirements of the Securities
Act, if applicable, and (ii) that such grant complies with the securities laws
of all other relevant jurisdictions.

          (ii) Form S-8 generally is available to consultants and advisors only
if (i) they are natural persons; (ii) they provide bona fide services to the
issuer, its parents, its majority-owned subsidiaries or majority-owned
subsidiaries of the issuer's parent; and (iii) the services are not in
connection with the offer or sale of securities in a capital-raising
transaction, and do not directly or indirectly promote or maintain a market for
the issuer's securities.

6.   Option Provisions.

     Each Option shall be in such form and shall contain such terms and
conditions as the Board shall deem appropriate. All Options shall be separately
designated Incentive Stock Options or Nonstatutory Stock Options at the time of
grant, and, if certificates are issued, a separate certificate or certificates
will be issued for shares of Common Stock purchased on exercise of each type of
Option. The provisions of separate Options need not be identical, but 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. Subject to the provisions of subsection 5(b) regarding Ten
Percent Stockholders, no Incentive Stock Option shall be exercisable after the
expiration of ten (10) years from the date it was granted.

     (b)  Exercise Price of an Incentive Stock Option. Subject to the provisions
of subsection 5(b) regarding Ten Percent Stockholders, the exercise price of
each Incentive Stock Option shall be not less than one hundred percent (100%) of
the Fair Market Value of the Common Stock subject to the Option on the date the
Option is granted. Notwithstanding the foregoing, an Incentive Stock 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)  Exercise Price of a Nonstatutory Stock Option. The exercise price of
each Nonstatutory Stock Option shall be not less than eighty-five percent (85%)
of the Fair Market Value of the Common Stock subject to the Option on the date
the Option is granted. Notwithstanding the foregoing, a Nonstatutory Stock
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

                                       7.
<PAGE>

assumption or substitution for another option in a manner satisfying the
provisions of Section 424(a) of the Code.

     (d)  Consideration. The purchase price of Common Stock acquired pursuant to
an Option shall be paid, to the extent permitted by applicable statutes and
regulations, either (i) in cash at the time the Option is exercised or (ii) at
the discretion of the Board at the time of the grant of the Option (or
subsequently in the case of a Nonstatutory Stock Option) (1) by delivery to the
Company of other Common Stock, (2) according to a deferred payment or other
similar arrangement with the Optionholder or (3) in any other form of legal
consideration that may be acceptable to the Board. Unless otherwise specifically
provided in the Option, 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.

     In the case of any deferred payment arrangement, interest shall be
compounded at least annually and shall be charged at the minimum rate of
interest necessary to avoid the treatment as interest, under any applicable
provisions of the Code, of any amounts other than amounts stated to be interest
under the deferred payment arrangement.

     (e)  Transferability of an Incentive Stock Option. An Incentive Stock
Option shall not be transferable except by will or by the laws of descent and
distribution and shall be exercisable during the lifetime of the Optionholder
only by the Optionholder. Notwithstanding the foregoing, the 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.

     (f)  Transferability of a Nonstatutory Stock Option. A Nonstatutory Stock
Option shall be transferable to the extent provided in the Option Agreement. If
the Nonstatutory Stock Option does not provide for transferability, then the
Nonstatutory Stock Option shall not be transferable except by will or by the
laws of descent and distribution and shall be exercisable during the lifetime of
the Optionholder only by the Optionholder. Notwithstanding the foregoing, the
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.

     (g)  Vesting Generally. The total number of shares of Common Stock subject
to an Option may, but need not, vest and therefore become exercisable in
periodic installments that may, but need not, be equal. The Option may be
subject to such other terms and conditions on the time or times when it may be
exercised (which may be based on performance or other criteria) as the Board may
deem appropriate. The vesting provisions of individual Options may vary. The
provisions of this subsection 6(g) are subject to any Option provisions
governing the minimum number of shares of Common Stock as to which an Option may
be exercised.

                                       8.
<PAGE>

     (h)  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 such Option as of the date of
termination) but only within such period of time ending on the earlier of (i)
the date one (1) month following the termination of the Optionholder's
Continuous Service (or such longer or shorter period specified in the Option
Agreement), 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.

     (i)  Extension of Termination Date. An Optionholder's Option Agreement may
also provide that 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 of Common Stock 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 6(a) or (ii) the
expiration of a period of one (1) month 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.

     (j)  Disability of Optionholder. In the event that 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 such Option 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 such longer or shorter period specified in
the Option Agreement) 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.

     (k)  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 period (if any) specified in the Option Agreement
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 such 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 pursuant to subsection 6(e) or 6(f), but
only within the period ending on the earlier of (1) the date eighteen (18)
months following the date of death (or such longer or shorter period specified
in the Option Agreement) 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.

     (l)  Early Exercise. The Option may, but need not, include a provision
whereby the Optionholder may elect at any time before the Optionholder's
Continuous Service terminates to exercise the Option as to any part or all of
the shares of Common Stock subject to the Option prior to the full vesting of
the Option. Any unvested shares of Common Stock so purchased may be subject to a
repurchase option in favor of the Company or to any other restriction the Board

                                       9.
<PAGE>

determines to be appropriate. The Company will not exercise its repurchase
option until at least six (6) months (or such longer or shorter period of time
required to avoid a charge to earnings for financial accounting purposes) have
elapsed following exercise of the Option unless the Board otherwise specifically
provides in the Option.

     (m)  Re-Load Options.

          (i)   Without in any way limiting the authority of the Board to make
or not to make grants of Options hereunder, the Board shall have the authority
(but not an obligation) to include as part of any Option Agreement a provision
entitling the Optionholder to a further Option (a "Re-Load Option") in the event
the Optionholder exercises the Option evidenced by the Option Agreement, in
whole or in part, by surrendering other shares of Common Stock in accordance
with this Plan and the terms and conditions of the Option Agreement. Unless
otherwise specifically provided in the Option, the Optionholder shall not
surrender shares of Common Stock acquired, directly or indirectly from the
Company, unless such shares 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).

         (ii)   Any such Re-Load Option shall (1) provide for a number of shares
of Common Stock equal to the number of shares of Common Stock surrendered as
part or all of the exercise price of such Option; (2) have an expiration date
which is the same as the expiration date of the Option the exercise of which
gave rise to such Re-Load Option; and (3) have an exercise price which is equal
to one hundred percent (100%) of the Fair Market Value of the Common Stock
subject to the Re-Load Option on the date of exercise of the original Option.
Notwithstanding the foregoing, a Re-Load Option shall be subject to the same
exercise price and term provisions heretofore described for Options under the
Plan.

         (iii)  Any such Re-Load Option may be an Incentive Stock Option or a
Nonstatutory Stock Option, as the Board may designate at the time of the grant
of the original Option; provided, however, that the designation of any Re-Load
Option as an Incentive Stock Option shall be subject to the one hundred thousand
dollar ($100,000) annual limitation on the exercisability of Incentive Stock
Options described in subsection 9(d) and in Section 422(d) of the Code.  There
shall be no Re-Load Options on a Re-Load Option.  Any such Re-Load Option shall
be subject to the availability of sufficient shares of Common Stock under
subsection 4(a) and the "Section 162(m) Limitation" on the grants of Options
under subsection 5(c) and shall be subject to such other terms and conditions as
the Board may determine which are not inconsistent with the express provisions
of the Plan regarding the terms of Options.

7.   Provisions of Stock Awards other than Options.

     (a)  Stock Bonus Awards. Each stock bonus agreement shall be in such form
and shall contain such terms and conditions as the Board shall deem appropriate.
The terms and conditions of stock bonus agreements may change from time to time,
and the terms and conditions of separate stock bonus agreements need not be
identical, but each stock bonus agreement shall include (through incorporation
of provisions hereof by reference in the agreement or otherwise) the substance
of each of the following provisions:

                                      10.
<PAGE>

          (i)   Consideration. A stock bonus may be awarded in consideration for
past services actually rendered to the Company or an Affiliate for its benefit.

          (ii)  Vesting. Shares of Common Stock awarded under the stock bonus
agreement may, but need not, be subject to a share repurchase option in favor of
the Company in accordance with a vesting schedule to be determined by the Board.

          (iii) Termination of Participant's Continuous Service. In the event a
Participant's Continuous Service terminates, the Company may reacquire any or
all of the shares of Common Stock held by the Participant which have not vested
as of the date of termination under the terms of the stock bonus agreement.

          (iv)  Transferability. Rights to acquire shares of Common Stock under
the stock bonus agreement shall be transferable by the Participant only upon
such terms and conditions as are set forth in the stock bonus agreement, as the
Board shall determine in its discretion, so long as Common Stock awarded under
the stock bonus agreement remains subject to the terms of the stock bonus
agreement.

     (b)  Restricted Stock Awards. Each restricted stock purchase agreement
shall be in such form and shall contain such terms and conditions as the Board
shall deem appropriate. The terms and conditions of the restricted stock
purchase agreements may change from time to time, and the terms and conditions
of separate restricted stock purchase agreements need not be identical, but each
restricted stock purchase agreement shall include (through incorporation of
provisions hereof by reference in the agreement or otherwise) the substance of
each of the following provisions:

          (i)   Purchase Price. The purchase price under each restricted stock
purchase agreement shall be such amount as the Board shall determine and
designate in such restricted stock purchase agreement. The purchase price shall
not be less than eighty-five percent (85%) of the Common Stock's Fair Market
Value on the date such award is made or at the time the purchase is consummated.

          (ii)  Consideration. The purchase price of Common Stock acquired
pursuant to the restricted stock purchase agreement shall be paid either: (i) in
cash at the time of purchase; (ii) at the discretion of the Board, according to
a deferred payment or other similar arrangement with the Participant; or (iii)
in any other form of legal consideration that may be acceptable to the Board in
its discretion; provided, however, that at any time that the Company is
incorporated in Delaware, then payment of the Common Stock's "par value," as
defined in the Delaware General Corporation Law, shall not be made by deferred
payment.

          (iii) Vesting. Shares of Common Stock acquired under the restricted
stock purchase agreement may, but need not, be subject to a share repurchase
option in favor of the Company in accordance with a vesting schedule to be
determined by the Board.

          (iv)  Termination of Participant's Continuous Service. In the event a
Participant's Continuous Service terminates, the Company may repurchase or
otherwise reacquire any or all of the shares of Common Stock held by the
Participant which have not vested as of the date of termination under the terms
of the restricted stock purchase agreement.

                                      11.
<PAGE>

          (v)  Transferability. Rights to acquire shares of Common Stock under
the restricted stock purchase agreement shall be transferable by the Participant
only upon such terms and conditions as are set forth in the restricted stock
purchase agreement, as the Board shall determine in its discretion, so long as
Common Stock awarded under the restricted stock purchase agreement remains
subject to the terms of the restricted stock purchase agreement.

8.   Covenants of the Company.

     (a)  Availability of Shares. During the terms of the Stock Awards, the
Company shall keep available at all times the number of shares of Common Stock
required to satisfy such Stock Awards.

     (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 Stock Awards and to issue and sell shares of Common
Stock upon exercise of the Stock Awards; provided, however, that this
undertaking shall not require the Company to register under the Securities Act
the Plan, any Stock Award or any Common Stock issued or issuable pursuant to any
such Stock Award. 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 Common Stock
under the Plan, the Company shall be relieved from any liability for failure to
issue and sell Common Stock upon exercise of such Stock Awards unless and until
such authority is obtained.

9.   Use of Proceeds from Stock.

     Proceeds from the sale of Common Stock pursuant to Stock Awards shall
constitute general funds of the Company.

10.  Miscellaneous.

     (a)  Acceleration of Exercisability and Vesting. The Board shall have the
power to accelerate the time at which a Stock Award may first be exercised or
the time during which a Stock Award or any part thereof will vest in accordance
with the Plan, notwithstanding the provisions in the Stock Award stating the
time at which it may first be exercised or the time during which it will vest.

     (b)  Stockholder Rights. No Participant shall be deemed to be the holder
of, or to have any of the rights of a holder with respect to, any shares of
Common Stock subject to such Stock Award unless and until such Participant has
satisfied all requirements for exercise of the Stock Award pursuant to its
terms.

     (c)  No Employment or other Service Rights. Nothing in the Plan or any
instrument executed or Stock Award granted pursuant thereto shall confer upon
any Participant any right to continue to serve the Company or an Affiliate in
the capacity in effect at the time the Stock Award was granted 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,

                                      12.
<PAGE>

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.

     (d)  Incentive Stock Option $100,000 Limitation. To the extent that the
aggregate Fair Market Value (determined at the time of grant) of Common Stock
with respect to which Incentive Stock Options are exercisable for the first time
by any Optionholder during any calendar year (under all plans of the Company and
its Affiliates) exceeds one hundred thousand dollars ($100,000), the Options or
portions thereof which exceed such limit (according to the order in which they
were granted) shall be treated as Nonstatutory Stock Options.

     (e)  Investment Assurances. The Company may require a Participant, as a
condition of exercising or acquiring Common Stock under any Stock Award, (i) to
give written assurances satisfactory to the Company as to the Participant'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 Stock Award; and (ii) to
give written assurances satisfactory to the Company stating that the Participant
is acquiring Common Stock subject to the Stock Award for the Participant's own
account and not with any present intention of selling or otherwise distributing
the Common Stock. The foregoing requirements, and any assurances given pursuant
to such requirements, shall be inoperative if (1) the issuance of the shares of
Common Stock upon the exercise or acquisition of Common Stock under the Stock
Award has been registered under a then currently effective registration
statement under the Securities Act or (2) 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 Common Stock.

     (f)  Withholding Obligations. To the extent provided by the terms of a
Stock Award Agreement, the Participant may satisfy any federal, state or local
tax withholding obligation relating to the exercise or acquisition of Common
Stock under a Stock Award by any of the following means (in addition to the
Company's right to withhold from any compensation paid to the Participant by the
Company) or by a combination of such means: (i) tendering a cash payment; (ii)
authorizing the Company to withhold shares of Common Stock from the shares of
Common Stock otherwise issuable to the Participant as a result of the exercise
or acquisition of Common Stock under the Stock Award, 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 Common Stock.

     (g)  Cancellation and Re-Grant of Options.

          (i)  Authority to Reprice. The Board shall have the authority to
effect, at any time and from time to time, (1) the repricing of any outstanding
Options under the Plan and/or (2) with the consent of any adversely affected
holders of Options, the cancellation of any outstanding Options under the Plan
and the grant in substitution therefor of new Options under

                                      13.
<PAGE>

the Plan covering the same or different numbers of shares of Common Stock. The
exercise price per share of Common Stock shall be not less than that specified
under the Plan for newly granted Stock Awards. Notwithstanding the foregoing,
the Board may grant an Option with an exercise price lower than that set forth
above if such Option is granted as part of a transaction to which Section 424(a)
of the Code applies.

          (ii) Effect of Repricing under Section 162(m) of the Code. Shares of
Common Stock subject to an Option which is amended or canceled in order to set a
lower exercise price per share of Common Stock shall continue to be counted
against the maximum award of Options permitted to be granted pursuant to
subsection 5(c). The repricing of an Option under this subsection 10(g)
resulting in a reduction of the exercise price shall be deemed to be a
cancellation of the original Option and the grant of a substitute Option; in the
event of such repricing, both the original and the substituted Options shall be
counted against the maximum awards of Options permitted to be granted pursuant
to subsection 5(c). The provisions of this subsection 10(g)(ii) shall be
applicable only to the extent required by Section 162(m) of the Code.

11.  Adjustments upon Changes in Stock.

     (a)  Capitalization Adjustments. If any change is made in the Common Stock
subject to the Plan, or subject to any Stock Award, 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 to the Plan
pursuant to subsection 4(a) and the maximum number of securities subject to
award to any person pursuant to subsection 5(c), and the outstanding Stock
Awards will be appropriately adjusted in the class(es) and number of securities
and price per share of Common Stock subject to such outstanding Stock Awards.
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 Stock Awards
shall terminate immediately prior to such event.

     (c)  Change in Control--Asset Sale, Merger, Consolidation, Reverse Merger,
Securities Acquisition, Change in Incumbent Board. In the event of a Change in
Control:

          (i)  Any surviving corporation or acquiring corporation shall assume
all Stock Awards outstanding under the Plan or shall substitute similar Stock
Awards (including an award 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) If the acquiring or surviving corporation does assume the Stock
Awards of a Participant or substitutes new Stock Awards for such Participant's
Stock Awards, then,

                                      14.
<PAGE>

         (1)  If such Participant is an Employee and was in Continuous Service
at least one (1) month prior to the closing of the Change in Control
transaction, with respect to each Stock Award held by such Employee, immediately
prior to the closing of any such transaction the vesting of a portion of such
Stock Awards shall nevertheless accelerate as follows:

              a.  With regard to Employees who have been in Continuous Service
for eleven (11) months or longer as of the date which is one (1) month prior to
the closing of the Change in Control transaction (the "Service Measurement
Date"), 50% of the unvested portion of each such Stock Award shall immediately
vest, such that such portion is exercisable prior to the Change of Control; and

              b.  With regard to Employees who have been in Continuous Service
for less than eleven months as of the Service Measurement Date, 25% of the
unvested portion of each such Stock Award shall immediately vest, such that such
portion is exercisable prior to the Change of Control; and

              c.  In each of the accelerated vesting situations described in
clauses (a) and (b) of this Section 11.1(c)(ii)(1), the acceleration shall occur
on an award by award basis. (For example, if an Employee who has been in
Continuous Servcie for longer than eleven months as of the Service Measurement
Date has four outstanding Stock Awards, 50% of the unvested portion of each
individual Stock Award, not 50% of the unvested portions of the Stock Awards in
the aggregate, shall vest.)

              d.  The remaining unvested portion of each such assumed or
substituted Employee Stock Award shall continue to vest at the rate and for the
balance of the term set forth in the applicable Stock Award Agreement or as
otherwise determined by the Board.

         (2)  If such Participant is not an Employee, then unless specifically
provided otherwise in the applicable Stock Award Agreement, the vesting of
assumed or substituted Stock Awards held by such Participant shall be unaffected
by a Change of Control.

     (iii) If the surviving corporation or acquiring corporation refuses to
assume or to substitute similar Stock Awards for those of a Participant, then,
with respect to any Stock Award that is not assumed or substituted for, and
which is held by a Participant whose Continuous Service was not terminated more
than one (1) month prior to the closing of such Change in Control transaction,
the vesting of such Stock Award (and, if applicable, the time at which such
Stock Award may be exercised) shall, except as otherwise provided in the
applicable Stock Award Agreement, be accelerated in full, and such Stock Award
shall terminate if not exercised (if applicable) at or prior to such event.

     (iv)  Any outstanding Options which are not assumed or substituted for
shall terminate if not exercised as of the closing of such Change in Control.
Except as provided in the applicable Stock Award Agreement, any other
outstanding Stock Awards which are not assumed or substituted for and which are
unvested as of the closing of such Change in Control shall terminate as of the
time of such closing.

                                      15.
<PAGE>

12.  Amendment of the Plan and Stock Awards.

     (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 Common 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 Section 422 of the Code, Rule 16b-3
or any Nasdaq or securities exchange listing requirements. With respect to Stock
Awards issued prior to any such Plan amendment and still outstanding at any time
thereafter, except as provided in subsection 12(d) below, such amendments shall
apply to such Stock Awards.

     (b)  Stockholder Approval. The Board may, in its sole discretion, submit
any other amendment to the Plan for stockholder approval, including, but not
limited to, amendments to the Plan intended to satisfy the requirements of
Section 162(m) of the Code and the regulations thereunder regarding the
exclusion of performance-based compensation from the limit on corporate
deductibility of compensation paid to certain executive officers.

     (c)  Contemplated Amendments. It is expressly contemplated that the Board
may amend the Plan in any respect the Board deems necessary or advisable to
provide eligible Employees with the maximum benefits provided or to be provided
under the provisions of the Code and the regulations promulgated thereunder
relating to Incentive Stock Options and/or to bring the Plan and/or Incentive
Stock Options granted under it into compliance therewith.

     (d)  No Impairment of Rights. Rights under any Stock Award 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 Participant and (ii) the Participant
consents in writing.

     (e)  Amendment of Stock Awards. The Board at any time, and from time to
time, may amend the terms of any one or more Stock Awards; provided, however,
that the rights under any Stock Award shall not be impaired by any such
amendment unless (i) the Company requests the consent of the Participant and
(ii) the Participant 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 Stock Awards 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 Stock Award granted while the Plan
is in effect except with the written consent of the Participant.

14.  Effective Date of Plan.

     The Plan was effective as of May 28, 1996, and shall continue in its
amended and restated form as the 2000 Equity Incentive Plan, with such amendment
and restatement to be

                                      16.
<PAGE>

effective as the date of its amendment and restatement as such by the Board as
set forth on the first page hereof, but no Stock Award shall be exercised (or,
in the case of a stock bonus or stock purchase award, shall be granted) with
respect to shares exceeding the number of shares reserved for issuance under the
plan prior to the effective date of such amendment and restatement unless and
until the Plan, as amended and restated, has been approved by the stockholders
of the Company, which approval shall be within twelve (12) months before or
after the date the amended and restated Plan is adopted by the Board. Stock
Awards outstanding prior to the effective date of the amendment and restatement
set forth on the first page shall be governed in full by the provisions of the
Plan as in effect prior to such amendment and restatement.

15.  Choice of Law.

     The law of the State of Colorado shall govern all questions concerning the
construction, validity and interpretation of this Plan, without regard to such
state's conflict of laws rules.

                 *  *  [THIS IS THE END OF THE DOCUMENT]  *  *

                                      17.

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