Document:

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                               FIFTH AMENDMENT TO
                                CREDIT AGREEMENT

         This Fifth Amendment to Credit Agreement is entered into as of January
25, 2001 (this "Amendment"), by and between IMPERIAL BANK, a California banking
corporation ("Bank") and MONTEREY PASTA, a Delaware corporation ("Borrower").

                                    RECITALS

         WHEREAS, Borrower and Bank are parties to that certain Credit Agreement
dated as of August 2, 1999, (as amended, restated, modified, supplemented or
revised from time to time, the "Agreement"); and

         WHEREAS, each of the parties to this Amendment desire to amend the
Agreement in accordance herewith.

                                    AGREEMENT

         NOW, THEREFORE, the parties agree as follows:

A. AMENDMENTS TO THE AGREEMENT.

         Paragraph 4.05 (a) is hereby amended to read in its entirety as
follows:

         "MONTHLY FINANCIAL STATEMENT. As soon as available, and in any event
within FORTY-FIVE (45) DAYS after the close of each month, a balance sheet,
profit and loss statement and reconciliation of Borrower's capital balance
accounts as of the close of such period and covering operations for the portion
of Borrower's fiscal year ending on the last day of such period, all in
reasonable detail and reasonably acceptable to Bank, in accordance with
generally accepted accounting principles on a basis consistently maintained by
Borrower."

B. EFFECT OF AMENDMENT, REPRESENTATIONS AND WARRANTIES.

         1.       The Agreement, as amended hereby, shall be and remain in full
force and effect in accordance with its respective terms and hereby is ratified
and confirmed in all respects. Except as expressly set forth herein, the
execution, delivery, and performance of this Amendment shall not operate as a
waiver of, or as an amendment of, any right, power, or remedy of Bank under the
Agreement, as in effect prior to the date hereof. Borrower ratifies and
reaffirms the continuing effectiveness of all promissory notes, guaranties,
security agreements, mortgages, deeds of trust, environmental agreements, and
all other instruments, documents and agreements entered into in connection with
the Agreement.

         2.       Borrower represents and warrants that the Representations and
Warranties contained in the Agreement are true and correct as of the date of
this Amendment, and that no Event of Default has occurred and is continuing.

C. CONDITIONS PRECEDENT TO THE EFFECTIVENESS OF THIS AMENDMENT

         1.       As a condition to the effectiveness of this Amendment, Bank
shall have received, in form and substance satisfactory to Bank, the following:

         (a.)     this Amendment, duly executed by Borrower

                                       1
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D. MISCELLANEOUS PROVISIONS.

         1.       Unless otherwise defined, all initially capitalized terms in
this Amendment shall be as defined in the Agreement.

         2.       This Amendment may be executed in two or more counterparts,
each of which shall be deemed an original, but all of which together shall
constitute one instrument.

         IN WITNESS WHEREOF, the undersigned have executed this Amendment as of
the date first above written.

Monterey Pasta Company,                    IMPERIAL BANK,
a Delaware corporation                     A California banking corporation

By:                                        By:
   ------------------------------------       ---------------------------------
        R. Lance Hewitt                              Dennis Johnson
Title:  CEO                                Title:    Vice President

Monterey Pasta Company,
a Delaware corporation

By:
   ------------------------------------
        Stephen Brinkman
Title:  CFO/Secretary

                                       2<PAGE>

                                                                    EXHIBIT 4.1

                              CV THERAPEUTICS, INC.

                        2000 NONSTATUTORY INCENTIVE PLAN

                 ADOPTED BY THE BOARD OF DIRECTORS JULY 19, 2000
         AMENDED AND RESTATED BY THE BOARD OF DIRECTORS FEBRUARY 9, 2001

1.   PURPOSES.

     (a) ELIGIBLE STOCK AWARD RECIPIENTS. Only Eligible Participants may receive
Stock Awards under this Plan.

     (b) AVAILABLE STOCK AWARDS. The purpose of the Plan is to provide a means
by which Eligible Participants may be given an opportunity to benefit from
increases in value of the Common Stock through the granting of the following
Stock Awards: (i) Nonstatutory Stock Options, (ii) stock bonuses and (iii)
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) "CODE" means the Internal Revenue Code of 1986, as amended.

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

     (e) "COMMON STOCK" means the common stock of the Company.

     (f) "COMPANY" means CV Therapeutics, Inc., a Delaware corporation.

     (g) "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 Directors.

     (h) "CONTINUOUS SERVICE" means that the Holder's service with the Company
or an Affiliate, whether as an Employee or Consultant, is not interrupted or
terminated. The Holder's

                                       1.
<PAGE>

Continuous Service shall not be deemed to have terminated merely because of
a change in the capacity in which the Holder renders service to the Company or
an Affiliate as an Employee or Consultant or a change in the entity for which
the Holder renders such service, provided that there is no interruption or
termination of the Holder's service to the Company or an Affiliate. For example,
a change in status without interruption from an Employee of the Company to a
Consultant of an Affiliate 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.

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

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

     (k) "ELIGIBLE PARTICIPANT" means any Employee or Consultant; provided,
however, that except as provided in the following sentence, no Employee or
Consultant who is a Director or an Officer may be granted Stock Awards under
this Plan. Notwithstanding the preceding sentence, an Officer may be an Eligible
Participant if he or she is granted a Stock Award in connection with his or her
initial commencement of employment with the Company and such grant is an
essential inducement to his or her entering into a contract of employment with
the Company.

     (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) "HOLDER" 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.

                                       2.
<PAGE>

     (p) "INCENTIVE STOCK OPTION" means an Option intended to qualify as an
incentive stock option within the meaning of Section 422 of the Code and the
regulations promulgated thereunder. Incentive Stock Options may not be granted
under the Plan.

     (q) "NONSTATUTORY STOCK OPTION" means an Option not intended to qualify as
an Incentive Stock Option.

     (r) "OFFICER" means a person who is either (i) an officer of the Company
within the meaning of Section 16 of the Exchange Act and the rules and
regulations promulgated thereunder or (ii) an officer of the Company within the
meaning of Section 4310(c)(25)(G)(i) of the NASD Manual and Notices to Members
(the "NASD Manual"), or any successor provision thereto.

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

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

     (u) "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.

     (v) "PLAN" means this CV Therapeutics, Inc. 2000 Nonstatutory Incentive
Plan.

     (w) "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.

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

     (y) "STOCK AWARD" means any right granted under the Plan, including an
Option, a stock bonus and a right to acquire restricted stock.

     (z) "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 (including a stock bonus agreement or restricted
stock purchase agreement). Each Stock Award Agreement shall be subject to the
terms and conditions of the Plan.

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

                                       3.
<PAGE>

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)  To terminate or suspend the Plan as provided in Section 13.

         (v)   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. The Board may delegate administration of the
Plan to a Committee or Committees of one (1) or more members of the Board. 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.

     (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 six hundred thousand
(600,000) 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.

                                       4.
<PAGE>

5.   ELIGIBILITY.

     (a) ELIGIBILITY FOR SPECIFIC STOCK AWARDS. Stock Awards may be granted only
to Eligible Participants.

     (b) CONSULTANTS. 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.

6.   OPTION PROVISIONS.

     Each Option shall be in such form and shall contain such terms and
conditions as the Board shall deem appropriate. 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) OPTION EXERCISE PRICE. The exercise price of each Nonstatutory 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, 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 assumption or substitution for
another option in a manner satisfying the provisions of Section 424(a) of the
Code.

     (b) 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

                                       5.
<PAGE>

interest, under any applicable provisions of the Code, of any amounts other
than amounts stated to be interest under the deferred payment arrangement.

     (c) 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.

     (d) 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(d) are subject to any Option provisions
governing the minimum number of shares of Common Stock as to which an Option may
be exercised.

     (e) 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 three (3) months 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.

     (f) 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 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.

     (g) 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

                                       6.
<PAGE>

Agreement. If, after termination, the Optionholder does not exercise his or her
Option within the time specified herein, the Option shall terminate.

     (h) 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.

     (i) 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
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.

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:

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

                                       7.
<PAGE>

         (iv) TRANSFERABILITY. Rights to acquire shares of Common Stock under
the stock bonus agreement shall be transferable by the Holder 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 one hundred percent (100%) 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 Holder;
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 shall be subject to a share repurchase option in favor
of the Company pursuant to a vesting schedule to be determined by the Board in
accordance with the following guidelines: (A) the vesting period for shares of
Common Stock acquired under restricted stock purchase agreements shall be no
less than three (3) years unless based upon performance milestones, in which
event the vesting period shall be no less than one (1) year; and (B)
notwithstanding the provisions of Section 10(a), the Board may not accelerate
such vesting except under extraordinary circumstances, such as the death,
disability or divorce of the Holder, or a change in corporate structure of the
Company.

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

         (v)   TRANSFERABILITY. Rights to acquire shares of Common Stock under
the restricted stock purchase agreement shall be transferable by the Holder only
upon such terms and conditions as are set forth in the restricted stock purchase
agreement, as the Board shall

                                       8.
<PAGE>

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 Holder 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 Holder 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 Holder 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 or (ii) the service of
a Consultant pursuant to the terms of such Consultant's agreement with the
Company or an Affiliate.

     (d) INVESTMENT ASSURANCES. The Company may require a Holder, as a condition
of exercising or acquiring Common Stock under any Stock Award, (i) to give
written assurances

                                       9.

<PAGE>

satisfactory to the Company as to the Holder'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 Holder is acquiring Common Stock subject to the
Stock Award for the Holder'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.

     (e) WITHHOLDING OBLIGATIONS. To the extent provided by the terms of a Stock
Award Agreement, the Holder 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 Holder 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 Holder 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.

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) 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.

                                      10.
<PAGE>

     (c) CHANGE OF CONTROL. (i) Subject to clause (ii) below, in the event of a
Change of Control, to the extent permitted by law, any surviving corporation or
acquiring corporation may assume any Stock Awards outstanding under the Plan or
substitute similar stock awards (including awards to acquire the same
consideration paid to the stockholders in the Change of Control) for those
outstanding under the Plan. In the event any surviving corporation or acquiring
corporation does not assume such Stock Awards or substitute similar stock awards
for those outstanding under the Plan, then with respect to Stock Awards held by
Holders whose Continuous Service has not terminated, the vesting of such Stock
Awards (and, if applicable, the time during which such Stock Awards may be
exercised) shall be accelerated in full, and the Stock Awards shall terminate if
not exercised (if applicable) at or prior to such event. With respect to any
other Stock Awards outstanding under the Plan, such Stock Awards shall terminate
if not exercised (if applicable) prior to such event.

         (ii)  In the event of a Change of Control not approved by the Board,
each outstanding Stock Award under the Plan shall become fully vested, and the
Company's right of repurchase shall lapse with respect to shares received upon
exercise of a Stock Award prior to full vesting, notwithstanding the terms of
the Stock Award or any early exercise stock purchase agreement, immediately
prior to the consummation of such Change of Control.

     For purposes of this Plan, "Change of Control" means: (i) a sale of
substantially all of the assets of the Company; (ii) a merger or consolidation
in which the Company is not the surviving corporation (other than a merger or
consolidation in which shareholders immediately before the merger or
consolidation have, immediately after the merger or consolidation, equal or
greater stock voting power); (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,
whether in the form of securities, cash or otherwise (other than a reverse
merger in which stockholders immediately before the merger have, immediately
after the merger, greater stock voting power); or (iv) any transaction or series
of related transactions in which in excess of 50% of the Company's voting power
is transferred.

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.

     (b) 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.

     (c) 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 Holder and (ii) the Holder consents
in writing.

                                      11.
<PAGE>

     (d) 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 Holder and (ii) the
Holder 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. 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 Holder.

14.  EFFECTIVE DATE OF PLAN.

     The Plan shall become effective upon its adoption by the Board.

15.  CHOICE OF LAW/INTERPRETATION.

     The law of the State of Delaware shall govern all questions concerning the
construction, validity and interpretation of this Plan, without regard to such
state's conflict of laws rules. Notwithstanding the foregoing, it is expressly
intended that approval of the Company's stockholders not be required as a
condition of the effectiveness of the Plan, and the Plan's provisions shall be
interpreted in a manner consistent with such intent for all purposes (including
without limitation, for purposes of determining whether stockholder approval of
the Plan is necessary pursuant to the NASD Manual or any successor provisions
thereto).

                                      12.

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