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                                                                    EXHIBIT 10.5

                                 PARENTECH, INC.
                             2001 STOCK OPTION PLAN

Establishment, Purpose and Term of Plan.

         Establishment. The Parentech, Inc. 2001 Stock Option Plan (the "Plan")
                  is hereby established effective as of August 5, 2001.

         Purpose. The purpose of the Plan is to advance the interests of the
                  Participating Company Group and its shareholders by providing
                  an incentive to attract, retain and reward persons performing
                  services for the Participating Company Group and by motivating
                  such persons to contribute to the growth and profitability of
                  the Participating Company Group.

         Term of Plan. The Plan shall continue in effect until the earlier
                  of its termination by the Board or the date on which all of
                  the shares of Stock available for issuance under the Plan have
                  been issued and all restrictions on such shares under the
                  terms of the Plan and the agreements evidencing Options
                  granted under the Plan have lapsed. However, all Options shall
                  be granted, if at all, within ten (10) years from the earlier
                  of the date the Plan is adopted by the Board or the date the
                  Plan is duly approved by the shareholders of the Company.

Definitions and Construction.

         Definitions. Whenever used herein, the following terms shall have their
                  respective meanings set forth below:

"Board" means the Board of Directors of the Company. If one or more Committees
have been appointed by the Board to administer the Plan, "Board" also means such
Committee(s).

"Code" means the Internal Revenue Code of 1986, as amended, and any applicable
regulations promulgated thereunder.

"Committee" means the Compensation Committee or other committee of the Board
duly appointed to administer the Plan and having such powers as shall be
specified by the Board. Unless the powers of the Committee have been
specifically limited, the Committee shall have all of the powers of the Board
granted herein, including, without limitation, the power to amend or terminate
the Plan at any time, subject to the terms of the Plan and any applicable
limitations imposed by law.

"Company" means Parentech, Inc., a Delaware corporation, or any successor
corporation thereto.

"Consultant" means a person engaged to provide consulting or advisory services
(other than as an Employee or a Director) to a Participating Company, provided
that the identity of such person, the nature of such services or the entity to
which such services are provided would not preclude the Company from offering or
selling securities to such person pursuant to the Plan in reliance on either the
exemption from registration provided by Rule 701 under the Securities Act or, if
the Company is required to file reports pursuant to Section 13 or 15(d) of the
Exchange Act, registration on a Form S-8 Registration Statement under the
Securities Act.

"Director" means a member of the Board or of the board of directors of any other
Participating Company.

"Disability" means the inability of the Optionee, in the opinion of a qualified
physician acceptable to the Company, to perform the major duties of the
Optionee's position with the Participating Company Group because of the sickness
or injury of the Optionee.

"Employee" means any person treated as an employee (including an Officer or a
Director who is also treated as an employee) in the records of a Participating
Company and, with respect to any Incentive Stock Option granted to such person,
who is an employee for purposes of Section 422 of the Code; provided, however,
that neither service as a Director nor payment of a director's fee shall be
sufficient to constitute employment for purposes of the Plan. The Company shall
determine in good faith and in the exercise of its discretion whether an
individual has become or has ceased to be an Employee and the effective date of
such individual's employment or termination of employment, as the case may be.
For purposes of an individual's rights, if any, under the Plan as of the time of
the Company's determination, all such determinations by the Company shall be
final, binding and conclusive, notwithstanding that the Company or any court of
law or governmental agency subsequently makes a contrary determination.

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

"Fair Market Value" means, as of any date, the value of a share of Stock or
other property as determined by the Board, in its discretion, or by the Company,
in its discretion, if such determination is expressly allocated to the Company
herein, subject to the following:

If, on such date, the Stock is listed on a national or regional securities
exchange or market system, the Fair Market Value of a share of Stock shall be
the closing price of a share of Stock (or the mean of the closing bid and asked
prices of a share of Stock if the Stock is so quoted instead) as quoted on the
Nasdaq National Market, The Nasdaq SmallCap Market or such other national or
regional securities exchange or market system constituting the primary market
for the Stock, as reported in The Wall Street Journal or such other source as
the Company deems reliable. If the relevant date does not fall on a day on which
the Stock has traded on such securities exchange or market system, the date on
which the Fair Market Value shall be established shall be the last day on which
the Stock was so traded prior to the relevant date, or such other appropriate
day as shall be determined by the Board, in its discretion.

If, on such date, the Stock is not listed on a national or regional securities
exchange or market system, the Fair Market Value of a share of Stock shall be as
determined by the Board in good faith without regard to any restriction other
than a restriction which, by its terms, will never lapse.

"Incentive Stock Option" means an Option intended to be (as set forth in the
Option Agreement) and which qualifies as an incentive stock option within the
meaning of Section 422(b) of the Code.

"Insider" means an Officer, a Director of the Company or other person whose
transactions in Stock are subject to Section 16 of the Exchange Act.

"Nonstatutory Stock Option" means an Option not intended to be (as set forth in
the Option Agreement) or which does not qualify as an Incentive Stock Option.

"Officer" means any person designated by the Board as an officer of the Company.
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"Option" means a right to purchase Stock pursuant to the terms and conditions of
the Plan. An Option may be either an Incentive Stock Option or a Nonstatutory
Stock Option.

"Option Agreement" means a written agreement between the Company and an Optionee
setting forth the terms, conditions and restrictions of the Option granted to
the Optionee and any shares acquired upon the exercise thereof. An Option
Agreement may consist of a form of "Notice of Grant of Stock Option" and a form
of "Stock Option Agreement" incorporated therein by reference, or such other
form or forms as the Board may approve from time to time.

"Optionee" means a person who has been granted one or more Options.

"Parent Corporation" means any present or future "parent corporation" of the
Company, as defined in Section 424(e) of the Code.

"Participating Company" means the Company or any Parent Corporation or
Subsidiary Corporation.

"Participating Company Group" means, at any point in time, all corporations
collectively which are then Participating Companies.

"Rule 16b-3" means Rule 16b-3 under the Exchange Act, as amended from time to
time, or any successor rule or regulation.

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

"Service" means an Optionee's employment or service with the Participating
Company Group, whether in the capacity of an Employee, a Director or a
Consultant. An Optionee's Service shall not be deemed to have terminated merely
because of a change in the capacity in which the Optionee renders Service to the
Participating Company Group or a change in the Participating Company for which
the Optionee renders such Service, provided that there is no interruption or
termination of the Optionee's Service. Furthermore, an Optionee's Service with
the Participating Company Group shall not be deemed to have terminated if the
Optionee takes any military leave, sick leave, or other bona fide leave of
absence approved by the Company; provided, however, that if any such leave
exceeds ninety (90) days, on the ninety-first (91st) day of such leave the
Optionee's Service shall be deemed to have terminated unless the Optionee's
right to return to Service with the Participating Company Group is guaranteed by
statute or contract. Notwithstanding the foregoing, unless otherwise designated
by the Company or required by law, a leave of absence shall not be treated as
Service for purposes of determining vesting under the Optionee's Option
Agreement. The Optionee's Service shall be deemed to have terminated either upon
an actual termination of Service or upon the corporation for which the Optionee
performs Service ceasing to be a Participating Company. Subject to the
foregoing, the Company, in its discretion, shall determine whether the
Optionee's Service has terminated and the effective date of such termination.

"Stock" means the common stock of the Company, par value $0.000001, as adjusted
from time to time in accordance with Section 4.2.

"Subsidiary Corporation" means any present or future "subsidiary corporation" of
the Company, as defined in Section 424(f) of the Code.

"Ten Percent Owner Optionee" means an Optionee who, at the time an Option is
granted to the Optionee, owns stock possessing more than ten percent (10%) of
the total combined voting power of all classes of stock of a Participating
Company within the meaning of Section 422(b)(6) of the Code.

         Construction. Captions and titles contained herein are for convenience
                  only and shall not affect the meaning or interpretation of any
                  provision of the Plan. Except when otherwise indicated by the
                  context, the singular shall include the plural and the plural
                  shall include the singular. Use of the term "or" is not
                  intended to be exclusive, unless the context clearly requires
                  otherwise.

Administration.

         Administration by the Board. The Plan shall be administered by the
                  Board. All questions of interpretation of the Plan or of any
                  Option shall be determined by the Board, and such
                  determinations shall be final and binding upon all persons
                  having an interest in the Plan or such Option.

         Authority of Officers. Any Officer shall have the authority to act on
                  behalf of the Company with respect to any matter, right,
                  obligation, determination or election which is the
                  responsibility of or which is allocated to the Company herein,
                  provided the Officer has apparent authority with respect to
                  such matter, right, obligation, determination or election.

         Powers of the Board. In addition to any other powers set forth in the
                  Plan and subject to the provisions of the Plan, the Board
                  shall have the full and final power and authority, in its
                  discretion:

to determine the persons to whom, and the time or times at which, Options shall
be granted and the number of shares of Stock to be subject to each Option;
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to designate Options as Incentive Stock Options or Nonstatutory Stock Options;

to determine the Fair Market Value of shares of Stock or other property;

to determine the terms, conditions and restrictions applicable to each Option
(which need not be identical) and any shares acquired upon the exercise thereof,
including, without limitation, (i) the exercise price of the Option, (ii) the
method of payment for shares purchased upon the exercise of the Option, (iii)
the method for satisfaction of any tax withholding obligation arising in
connection with the Option or such shares, including by the withholding or
delivery of shares of stock, (iv) the timing, terms and conditions of the
exercisability of the Option or the vesting of any shares acquired upon the
exercise thereof, (v) the time of the expiration of the Option, (vi) the effect
of the Optionee's termination of Service with the Participating Company Group on
any of the foregoing, and (vii) all other terms, conditions and restrictions
applicable to the Option or such shares not inconsistent with the terms of the
Plan;

to approve one or more forms of Option Agreement;

to amend, modify, extend, cancel or renew any Option or to waive any
restrictions or conditions applicable to any Option or any shares acquired upon
the exercise thereof;

to accelerate, continue, extend or defer the exercisability of any Option or the
vesting of any shares acquired upon the exercise thereof, including with respect
to the period following an Optionee's termination of Service with the
Participating Company Group;

to prescribe, amend or rescind rules, guidelines and policies relating to the
Plan, or to adopt supplements to, or alternative versions of, the Plan,
including, without limitation, as the Board deems necessary or desirable to
comply with the laws of, or to accommodate the tax policy or custom of, foreign
jurisdictions whose citizens may be granted Options; and

to correct any defect, supply any omission or reconcile any inconsistency in the
Plan or any Option Agreement and to make all other determinations and take such
other actions with respect to the Plan or any Option as the Board may deem
advisable to the extent not inconsistent with the provisions of the Plan or
applicable law.

         Administration with Respect to Insiders. With respect to participation
                  by Insiders in the Plan, at any time that any class of equity
                  security of the Company is registered pursuant to Section 12
                  of the Exchange Act, the Plan shall be administered in
                  compliance with the requirements, if any, of Rule 16b-3.

         Indemnification. In addition to such other rights of indemnification as
                  they may have as members of the Board or officers or employees
                  of the Participating Company Group, members of the Board and
                  any officers or employees of the Participating Company Group
                  to whom authority to act for the Board or the Company is
                  delegated shall be indemnified by the Company against all
                  reasonable expenses, including attorneys' fees, actually and
                  necessarily incurred in connection with the defense of any
                  action, suit or proceeding, or in connection with any appeal
                  therein, to which they or any of them may be a party by reason
                  of any action taken or failure to act under or in connection
                  with the Plan, or any right granted hereunder, and against all
                  amounts paid by them in settlement thereof (provided such
                  settlement is approved by independent legal counsel selected
                  by the Company) or paid by them in satisfaction of a judgment
                  in any such action, suit or proceeding, except in relation to
                  matters as to which it shall be adjudged in such action, suit
                  or proceeding that such person is liable for gross negligence,
                  bad faith or intentional misconduct in duties; provided,
                  however, that within sixty (60) days after the institution of
                  such action, suit or proceeding, such person shall offer to
                  the Company, in writing, the opportunity at its own expense to
                  handle and defend the same.
<PAGE>

Shares Subject to Plan.

         Maximum  Number of Shares Issuable. Subject to adjustment as provided
                  in Section 4.2, the maximum aggregate number of shares of
                  Stock that may be issued under the Plan shall be Two Million
                  (2,000,000) and shall consist of authorized but unissued or
                  reacquired shares of Stock or any combination thereof. If an
                  outstanding Option for any reason expires or is terminated or
                  canceled or if shares of Stock are acquired upon the exercise
                  of an Option subject to a Company repurchase option and are
                  repurchased by the Company at the Optionee's exercise price,
                  the shares of Stock allocable to the unexercised portion of
                  such Option or such repurchased shares of Stock shall again be
                  available for issuance under the Plan. However, except as
                  adjusted pursuant to Section 4.2, in no event shall more than
                  Two Million (2,000,000) shares of Stock be available for
                  issuance pursuant to the exercise of Incentive Stock Options
                  (the "ISO Share Issuance Limit"). Notwithstanding the
                  foregoing, at any such time as the offer and sale of
                  securities pursuant to the Plan is subject to compliance with
                  Section 260.140.45 of Title 10 of the California Code of
                  Regulations ("Section 260.140.45"), the total number of shares
                  of Stock issuable upon the exercise of all outstanding Options
                  (together with options outstanding under any other stock
                  option plan of the Company) and the total number of shares
                  provided for under any stock bonus or similar plan of the
                  Company shall not exceed thirty percent (30%) (or such other
                  higher percentage limitation as may be approved by the
                  shareholders of the Company pursuant to Section 260.140.45) of
                  the then outstanding shares of the Company as calculated in
                  accordance with the conditions and exclusions of Section
                  260.140.45.

         Adjustments for Changes in Capital Structure. In the event of any stock
                  dividend, stock split, reverse stock split, recapitalization,
                  combination, reclassification or similar change in the capital
                  structure of the Company, appropriate adjustments shall be
                  made in the number and class of shares subject to the Plan and
                  to any outstanding Options, in the ISO Share Issuance Limit
                  set forth in Section 4.1, and in the exercise price per share
                  of any outstanding Options. If a majority of the shares which
                  are of the same class as the shares that are subject to
                  outstanding Options are exchanged for, converted into, or
                  otherwise become (whether or not pursuant to an Ownership
                  Change Event, as defined in Section 8.1) shares of another
                  corporation (the "New Shares"), the Board may unilaterally
                  amend the outstanding Options to provide that such Options are
                  exercisable for New Shares. In the event of any such
                  amendment, the number of shares subject to, and the exercise
                  price per share of, the outstanding Options shall be adjusted
                  in a fair and equitable manner as determined by the Board, in
                  its discretion. Notwithstanding the foregoing, any fractional
                  share resulting from an adjustment pursuant to this Section
                  4.2 shall be rounded down to the nearest whole number, and in
                  no event may the exercise price of any Option be decreased to
                  an amount less than the par value, if any, of the stock
                  subject to the Option. The adjustments determined by the Board
                  pursuant to this Section 4.2 shall be final, binding and
                  conclusive.

Eligibility and Option Limitations.

         Persons Eligible for Options. Options may be granted only to
                  Employees, Consultants, and Directors. For purposes of the
                  foregoing sentence, "Employees," "Consultants" and "Directors"
                  shall include prospective Employees, prospective Consultants
                  and prospective Directors to whom Options are granted in
                  connection with written offers of an employment or other
                  service relationship with the Participating Company Group.
                  Eligible persons may be granted more than one (1) Option.
                  However, eligibility in accordance with this Section shall not
                  entitle any person to be granted an Option, or, having been
                  granted an Option, to be granted an additional Option.

         Option Grant Restrictions. Any person who is not an Employee on the
                  effective date of the grant of an Option to such person may be
                  granted only a Nonstatutory Stock Option. An Incentive Stock
                  Option granted to a prospective Employee upon the condition
                  that such person become an Employee shall be deemed granted
                  effective on the date such person commences Service with a
                  Participating Company, with an exercise price determined as of
                  such date in accordance with Section 6.1.

         Fair Market Value Limitation. To the extent that options designated
                  as Incentive Stock Options (granted under all stock option
                  plans of the Participating Company Group, including the Plan)
                  become exercisable by an Optionee for the first time during
                  any calendar year for stock having a Fair Market Value greater
                  than One Hundred Thousand Dollars ($100,000), the portions of
                  such options which exceed such amount shall be treated as
                  Nonstatutory Stock Options. For purposes of this Section 5.3,
                  options designated as Incentive Stock Options shall be taken
                  into account in the order in which they were granted, and the
                  Fair Market Value of stock shall be determined as of the time
                  the option with respect to such stock is granted. If the Code
                  is amended to provide for a different limitation from that set
                  forth in this Section 5.3, such different limitation shall be
                  deemed incorporated herein effective as of the date and with
                  respect to such Options as required or permitted by such
                  amendment to the Code. If an Option is treated as an Incentive
                  Stock Option in part and as a Nonstatutory Stock Option in
                  part by reason of the limitation set forth in this Section
                  5.3, the Optionee may designate which portion of such Option
                  the Optionee is exercising. In the absence of such
                  designation, the Optionee shall be deemed to have exercised
                  the Incentive Stock Option portion of the Option first.
                  Separate certificates representing each such portion shall be
                  issued upon the exercise of the Option.
<PAGE>

Terms and Conditions of Options.

                  Options shall be evidenced by Option Agreements specifying the
number of shares of Stock covered thereby, in such form as the Board shall from
time to time establish. No Option or purported Option shall be a valid and
binding obligation of the Company unless evidenced by a fully executed Option
Agreement. Option Agreements may incorporate all or any of the terms of the Plan
by reference and shall comply with and be subject to the following terms and
conditions:

         Exercise Price. The exercise price for each Option shall be established
                  in the discretion of the Board; provided, however, that (a)
                  the exercise price per share for an Incentive Stock Option
                  shall be not less than the Fair Market Value of a share of
                  Stock on the effective date of grant of the Option, (b) the
                  exercise price per share for a Nonstatutory Stock Option shall
                  be not less than eighty-five percent (85%) of the Fair Market
                  Value of a share of Stock on the effective date of grant of
                  the Option, and (c) no Option granted to a Ten Percent Owner
                  Optionee shall have an exercise price per share less than one
                  hundred ten percent (110%) of the Fair Market Value of a share
                  of Stock on the effective date of grant of the Option.
                  Notwithstanding the foregoing, an Option (whether an Incentive
                  Stock Option or a Nonstatutory Stock Option) may be granted
                  with an exercise price lower than the minimum exercise price
                  set forth above if such Option is granted pursuant to an
                  assumption or substitution for another option in a manner
                  qualifying under the provisions of Section 424(a) of the Code.

         Exercisability and Term of Options. Options shall be exercisable at
                  such time or times, or upon such event or events, and subject
                  to such terms, conditions, performance criteria and
                  restrictions as shall be determined by the Board and set forth
                  in the Option Agreement evidencing such Option; provided,
                  however, that (a) no Option shall be exercisable after the
                  expiration of ten (10) years after the effective date of grant
                  of such Option, (b) no Incentive Stock Option granted to a Ten
                  Percent Owner Optionee shall be exercisable after the
                  expiration of five (5) years after the effective date of grant
                  of such Option, (c) no Option granted to a prospective
                  Employee, prospective Consultant or prospective Director may
                  become exercisable prior to the date on which such person
                  commences Service with a Participating Company, and (d) with
                  the exception of an Option granted to an Officer, a Director
                  or a Consultant, no Option shall become exercisable at a rate
                  less than twenty percent (20%) per year over a period of five
                  (5) years from the effective date of grant of such Option,
                  subject to the Optionee's continued Service. Subject to the
                  foregoing, unless otherwise specified by the Board in the
                  grant of an Option, any Option granted hereunder shall
                  terminate ten (10) years after the effective date of grant of
                  the Option, unless earlier terminated in accordance with its
                  provisions.

         Payment of Exercise Price.

Forms of Consideration Authorized. Except as otherwise provided below, payment
of the exercise price for the number of shares of Stock being purchased pursuant
to any Option shall be made (i) in cash, by check or cash equivalent, (ii) by
tender to the Company, or attestation to the ownership, of shares of Stock owned
by the Optionee having a Fair Market Value not less than the exercise price,
(iii) by delivery of a properly executed notice together with irrevocable
instructions to a broker providing for the assignment to the Company of the
proceeds of a sale or loan with respect to some or all of the shares being
acquired upon the exercise of the Option (including, without limitation, through
an exercise complying with the provisions of Regulation T as promulgated from
time to time by the Board of Governors of the Federal Reserve System) (a
"Cashless Exercise"), (iv) provided that the Optionee is an Employee (unless
otherwise not prohibited by law, including, without limitation, any regulation
promulgated by the Board of Governors of the Federal Reserve System) and in the
Company's sole discretion at the time the Option is exercised, by delivery of
the Optionee's promissory note in a form approved by the Company for the
aggregate exercise price, provided that, if the Company is incorporated in the
State of Delaware, the Optionee shall pay in cash that portion of the aggregate
exercise price not less than the par value of the shares being acquired, (v) by
such other consideration as may be approved by the Board from time to time to
the extent permitted by applicable law, or (vi) by any combination thereof. The
Board may at any time or from time to time, by approval of or by amendment to
the standard forms of Option Agreement described in Section 7, or by other
means, grant Options which do not permit all of the foregoing forms of
consideration to be used in payment of the exercise price or which otherwise
restrict one or more forms of consideration.

Limitations on Forms of Consideration.

Tender of Stock. Notwithstanding the foregoing, an Option may not be exercised
by tender to the Company, or attestation to the ownership, of shares of Stock to
the extent such tender or attestation would constitute a violation of the
provisions of any law, regulation or agreement restricting the redemption of the
Company's stock. Unless otherwise provided by the Board, an Option may not be
exercised by tender to the Company, or attestation to the ownership, of shares
of Stock unless such shares either have been owned by the Optionee for more than
six (6) months (and not used for another Option exercise by attestation during
such period) or were not acquired, directly or indirectly, from the Company.

Cashless Exercise. The Company reserves, at any and all times, the right, in the
Company's sole and absolute discretion, to establish, decline to approve or
terminate any program or procedures for the exercise of Options by means of a
Cashless Exercise.

Payment by Promissory Note. No promissory note shall be permitted if the
exercise of an Option using a promissory note would be a violation of any law.
Any permitted promissory note shall be on such terms as the Board shall
determine. The Board shall have the authority to permit or require the Optionee
to secure any promissory note used to exercise an Option with the shares of
Stock acquired upon the exercise of the Option or with other collateral
acceptable to the Company. Unless otherwise provided by the Board, if the
Company at any time is subject to the regulations promulgated by the Board of
Governors of the Federal Reserve System or any other governmental entity
affecting the extension of credit in connection with the Company's securities,
any promissory note shall comply with such applicable regulations, and the
Optionee shall pay the unpaid principal and accrued interest, if any, to the
extent necessary to comply with such applicable regulations.
<PAGE>

         Tax Withholding. The Company shall have the right, but not the
                  obligation, to deduct from the shares of Stock issuable upon
                  the exercise of an Option, or to accept from the Optionee the
                  tender of, a number of whole shares of Stock having a Fair
                  Market Value, as determined by the Company, equal to all or
                  any part of the federal, state, local and foreign taxes, if
                  any, required by law to be withheld by the Participating
                  Company Group with respect to such Option or the shares
                  acquired upon the exercise thereof. Alternatively or in
                  addition, in its discretion, the Company shall have the right
                  to require the Optionee, through payroll withholding, cash
                  payment or otherwise, including by means of a Cashless
                  Exercise, to make adequate provision for any such tax
                  withholding obligations of the Participating Company Group
                  arising in connection with the Option or the shares acquired
                  upon the exercise thereof. The Fair Market Value of any shares
                  of Stock withheld or tendered to satisfy any such tax
                  withholding obligations shall not exceed the amount determined
                  by the applicable minimum statutory withholding rates. The
                  Company shall have no obligation to deliver shares of Stock or
                  to release shares of Stock from an escrow established pursuant
                  to the Option Agreement until the Participating Company
                  Group's tax withholding obligations have been satisfied by the
                  Optionee.

         Repurchase Rights. Shares issued under the Plan may be subject to a
                  right of first refusal, one or more repurchase options, or
                  other conditions and restrictions as determined by the Board
                  in its discretion at the time the Option is granted. The
                  Company shall have the right to assign at any time any
                  repurchase right it may have, whether or not such right is
                  then exercisable, to one or more persons as may be selected by
                  the Company. Upon request by the Company, each Optionee shall
                  execute any agreement evidencing such transfer restrictions
                  prior to the receipt of shares of Stock hereunder and shall
                  promptly present to the Company any and all certificates
                  representing shares of Stock acquired hereunder for the
                  placement on such certificates of appropriate legends
                  evidencing any such transfer restrictions.

         Effect of Termination of Service.

Option Exercisability. Subject to earlier termination of the Option as otherwise
provided herein and unless otherwise provided by the Board in the grant of an
Option and set forth in the Option Agreement, an Option shall be exercisable
after an Optionee's termination of Service only during the applicable time
period determined in accordance with this Section 6.6 and thereafter shall
terminate:

Disability. If the Optionee's Service terminates because of the Disability of
the Optionee, the Option, to the extent unexercised and exercisable on the date
on which the Optionee's Service terminated, may be exercised by the Optionee (or
the Optionee's guardian or legal representative) at any time prior to the
expiration of twelve (12) months (or such longer period of time as determined by
the Board, in its discretion) after the date on which the Optionee's Service
terminated, but in any event no later than the date of expiration of the
Option's term as set forth in the Option Agreement evidencing such Option (the
"Option Expiration Date").

Death. If the Optionee's Service terminates because of the death of the
Optionee, the Option, to the extent unexercised and exercisable on the date on
which the Optionee's Service terminated, may be exercised by the Optionee's
legal representative or other person who acquired the right to exercise the
Option by reason of the Optionee's death at any time prior to the expiration of
twelve (12) months (or such longer period of time as determined by the Board, in
its discretion) after the date on which the Optionee's Service terminated, but
in any event no later than the Option Expiration Date. The Optionee's Service
shall be deemed to have terminated on account of death if the Optionee dies
within three (3) months (or such longer period of time as determined by the
Board, in its discretion) after the Optionee's termination of Service.

Termination After Change in Control. The Board may, in its discretion, provide
in any Option Agreement that if the Optionee's Service ceases as a result of
"Termination After Change in Control" (as defined in such Option Agreement),
then (1) the Option, to the extent unexercised and exercisable on the date on
which the Optionee's Service terminated, may be exercised by the Optionee (or
the Optionee's guardian or legal representative) at any time prior to the
expiration of six (6) months (or such longer period of time as determined by the
Board, in its discretion) after the date on which the Optionee's Service
terminated, but in any event no later than the Option Expiration Date, and (2)
the exercisability and vesting of the Option and any shares acquired upon the
exercise thereof shall be accelerated effective as of the date on which the
Optionee's Service terminated to such extent, if any, as shall have been
determined by the Board, in its discretion, and set forth in the Option
Agreement.

Other Termination of Service. If the Optionee's Service terminates for any
reason, except Disability, death or Termination After Change in Control, the
Option, to the extent unexercised and exercisable by the Optionee on the date on
which the Optionee's Service terminated, may be exercised by the Optionee at any
time prior to the expiration of three (3) months (or such longer period of time
as determined by the Board, in its discretion) after the date on which the
Optionee's Service terminated, but in any event no later than the Option
Expiration Date.

Extension if Exercise Prevented by Law. Notwithstanding the foregoing, if the
exercise of an Option within the applicable time periods set forth in Section
6.6(a) is prevented by the provisions of Section 10 below, the Option shall
remain exercisable until three (3) months (or such longer period of time as
determined by the Board, in its discretion) after the date the Optionee is
notified by the Company that the Option is exercisable, but in any event no
later than the Option Expiration Date.

Extension if Optionee Subject to Section 16(b). Notwithstanding the foregoing,
if a sale within the applicable time periods set forth in Section 6.6(a) of
shares acquired upon the exercise of the Option would subject the Optionee to
suit under Section 16(b) of the Exchange Act, the Option shall remain
exercisable until the earliest to occur of (i) the tenth (10th) day following
the date on which a sale of such shares by the Optionee would no longer be
subject to such suit, (ii) the one hundred and ninetieth (190th) day after the
Optionee's termination of Service, or (iii) the Option Expiration Date.

<PAGE>

         Transferability of Options. During the lifetime of the Optionee, an
                  Option shall be exercisable only by the Optionee or the
                  Optionee's guardian or legal representative. No Option shall
                  be assignable or transferable by the Optionee, except by will
                  or by the laws of descent and distribution. Notwithstanding
                  the foregoing, to the extent permitted by the Board, in its
                  discretion, and set forth in the Option Agreement evidencing
                  such Option, a Nonstatutory Stock Option shall be assignable
                  or transferable subject to the applicable limitations, if any,
                  described in Section 260.140.41 of Title 10 of the California
                  Code of Regulations, Rule 701 under the Securities Act, and
                  the General Instructions to Form S-8 Registration Statement
                  under the Securities Act.

Standard Forms of Option Agreement.

         Option Agreement. Unless otherwise provided by the Board at the time
                  the Option is granted, an Option shall comply with and be
                  subject to the terms and conditions set forth in the form of
                  Option Agreement approved by the Board concurrently with its
                  adoption of the Plan and as amended from time to time.

         Authority to Vary Terms. The Board shall have the authority from time
                  to time to vary the terms of any standard form of Option
                  Agreement described in this Section 7 either in connection
                  with the grant or amendment of an individual Option or in
                  connection with the authorization of a new standard form or
                  forms; provided, however, that the terms and conditions of any
                  such new, revised or amended standard form or forms of Option
                  Agreement are not inconsistent with the terms of the Plan.
                  Such authority shall include, but not by way of limitation,
                  the authority to grant Options which are immediately
                  exercisable subject to the Company's right to repurchase any
                  unvested shares of Stock acquired by an Optionee upon the
                  exercise of an Option in the event such Optionee's employment
                  or service with the Company is terminated for any reason, with
                  or without cause. Such authority shall also include, but not
                  be way of limitation, the authority to grant Options which are
                  not immediately exercisable.

Change in Control.

         Definitions.

An "Ownership Change Event" shall be deemed to have occurred if any of the
following occurs with respect to the Company: (i) the direct or indirect sale or
exchange in a single or series of related transactions by the shareholders of
the Company of more than fifty percent (50%) of the voting stock of the Company;
(ii) a merger or consolidation in which the Company is a party; (iii) the sale,
exchange, or transfer of all or substantially all of the assets of the Company;
or (iv) a liquidation or dissolution of the Company.

A "Change in Control" shall mean an Ownership Change Event or a series of
related Ownership Change Events (collectively, a "Transaction") wherein the
shareholders of the Company immediately before the Transaction do not retain
immediately after the Transaction, in substantially the same proportions as
their ownership of shares of the Company's voting stock immediately before the
Transaction, direct or indirect beneficial ownership of more than fifty percent
(50%) of the total combined voting power of the outstanding voting securities of
the Company or, in the case of a Transaction described in Section 8.1(a)(iii),
the corporation or other business entity to which the assets of the Company were
transferred (the "Transferee"), as the case may be. For purposes of the
preceding sentence, indirect beneficial ownership shall include, without
limitation, an interest resulting from ownership of the voting securities of one
or more corporations or other business entities which own the Company or the
Transferee, as the case may be, either directly or through one or more
subsidiary corporations or other business entities. The Board shall have the
right to determine whether multiple sales or exchanges of the voting securities
of the Company or multiple Ownership Change Events are related, and its
determination shall be final, binding and conclusive.

         Effect of Change in Control on Options. In the event of a Change in
                  Control, the surviving, continuing, successor, or purchasing
                  corporation or other business entity or parent thereof, as the
                  case may be (the "Acquiring Corporation"), may, without the
                  consent of any Optionee, either assume the Company's rights
                  and obligations under outstanding Options or substitute for
                  outstanding Options substantially equivalent options for the
                  Acquiring Corporation's stock. In the event the Acquiring
                  Corporation elects not to assume or substitute for outstanding
                  Options in connection with a Change in Control, the
                  exercisability and vesting of each such outstanding Option and
                  any shares acquired upon the exercise thereof held by
                  Optionees whose Service has not terminated prior to such date
                  may be accelerated, effective as of the date ten (10) days
                  prior to the date of the Change in Control, to such extent, if
                  any, as shall have been determined by the Board, in its
                  discretion, and set forth in the Option Agreement evidencing
                  such Option. The exercise or vesting of any Option and any
                  shares acquired upon the exercise thereof that was permissible
                  solely by reason of this Section 8.2 and the provisions of
                  such Option Agreement shall be conditioned upon the
                  consummation of the Change in Control. Any Options which are
                  neither assumed or substituted for by the Acquiring
                  Corporation in connection with the Change in Control nor
                  exercised as of the date of the Change in Control shall
                  terminate and cease to be outstanding effective as of the date
                  of the Change in Control. Notwithstanding the foregoing,
                  shares acquired upon exercise of an Option prior to the Change
                  in Control and any consideration received pursuant to the
                  Change in Control with respect to such shares shall continue
                  to be subject to all applicable provisions of the Option
                  Agreement evidencing such Option except as otherwise provided
                  in such Option Agreement. Furthermore, notwithstanding the
                  foregoing, if the corporation the stock of which is subject to
                  the outstanding Options immediately prior to an Ownership
                  Change Event described in Section 8.1(a)(i) constituting a
                  Change in Control is the surviving or continuing corporation
                  and immediately after such Ownership Change Event less than
                  fifty percent (50%) of the total combined voting power of its
                  voting stock is held by another corporation or by other
                  corporations that are members of an affiliated group within
                  the meaning of Section 1504(a) of the Code without regard to
                  the provisions of Section 1504(b) of the Code, the outstanding
                  Options shall not terminate unless the Board otherwise
                  provides in its discretion.
<PAGE>

Provision of Information.

                  At least annually, copies of the Company's balance sheet and
income statement for the just completed fiscal year shall be made available to
each Optionee and purchaser of shares of Stock upon the exercise of an Option.
The Company shall not be required to provide such information to key employees
whose duties in connection with the Company assure them access to equivalent
information. Furthermore, the Company shall deliver to each Optionee such
disclosures as are required in accordance with Rule 701 under the Securities
Act.

Compliance with Securities Law.

                  The grant of Options and the issuance of shares of Stock upon
exercise of Options shall be subject to compliance with all applicable
requirements of federal, state and foreign law with respect to such securities.
Options may not be exercised if the issuance of shares of Stock upon exercise
would constitute a violation of any applicable federal, state or foreign
securities laws or other law or regulations or the requirements of any stock
exchange or market system upon which the Stock may then be listed. In addition,
no Option may be exercised unless (a) a registration statement under the
Securities Act shall at the time of exercise of the Option be in effect with
respect to the shares issuable upon exercise of the Option or (b) in the opinion
of legal counsel to the Company, the shares issuable upon exercise of the Option
may be issued in accordance with the terms of an applicable exemption from the
registration requirements of the Securities Act. The inability of the Company to
obtain from any regulatory body having jurisdiction the authority, if any,
deemed by the Company's legal counsel to be necessary to the lawful issuance and
sale of any shares hereunder shall relieve the Company of any liability in
respect of the failure to issue or sell such shares as to which such requisite
authority shall not have been obtained. As a condition to the exercise of any
Option, the Company may require the Optionee to satisfy any qualifications that
may be necessary or appropriate, to evidence compliance with any applicable law
or regulation and to make any representation or warranty with respect thereto as
may be requested by the Company.

Termination or Amendment of Plan.

                  The Board may terminate or amend the Plan at any time.
However, subject to changes in applicable law, regulations or rules that would
permit otherwise, without the approval of the Company's shareholders, there
shall be (a) no increase in the maximum aggregate number of shares of Stock that
may be issued under the Plan (except by operation of the provisions of Section
4.2), (b) no change in the class of persons eligible to receive Incentive Stock
Options, and (c) no other amendment of the Plan that would require approval of
the Company's shareholders under any applicable law, regulation or rule. No
termination or amendment of the Plan shall affect any then outstanding Option
unless expressly provided by the Board. In any event, no termination or
amendment of the Plan may adversely affect any then outstanding Option without
the consent of the Optionee, unless such termination or amendment is required to
enable an Option designated as an Incentive Stock Option to qualify as an
Incentive Stock Option or is necessary to comply with any applicable law,
regulation or rule.

Shareholder Approval.

                  The Plan or any increase in the maximum aggregate number of
shares of Stock issuable thereunder as provided in Section 4.1 (the "Authorized
Shares") shall be approved by the shareholders of the Company within twelve (12)
months of the date of adoption thereof by the Board. Options granted prior to
shareholder approval of the Plan or in excess of the Authorized Shares
previously approved by the shareholders shall become exercisable no earlier than
the date of shareholder approval of the Plan or such increase in the Authorized
Shares, as the case may be.
<PAGE>

         IN WITNESS WHEREOF, the undersigned Secretary of the Company certifies
that the foregoing sets forth the Parentech, Inc. 2001 Stock Option Plan as duly
adopted by the Board on August 5, 2001.

                                     ------------------------------------
                                     Daniel P. Beharry, Secretary<PAGE>

                                                                    Exhibit 4.1

                              CSO ACQUISITION CORP.
                             a Delaware corporation

     1996 Amended and Restated Incentive and Non-Oualified Stock Option Plan

         1. Purpose. The purposes of this 1996 Amended and Restated Incentive
and Non-Qualified Stock Option Plan are to attract and retain the best available
personnel, to provide additional incentive to the Employees, Consultants and
Outside Directors of CSO ACQUISITION CORP., a Delaware corporation (the
"Company"), and to promote the success of the Company's business.

         Options granted hereunder may, consistent with the terms of this Plan,
be either Incentive Stock Options or Nonstatutory Stock Options, at the
discretion of the Committee and as reflected in the terms of the written option
agreement.

         2. Definitions. As used in this Plan, the following definitions shall
apply:

         (a) "Board" means the Board of Directors of the Company.

         (b) "Code" means the Internal Revenue Code of 1986, as amended from
time to time, and the rules and regulations promulgated thereunder.

         (c) "Commission" means the United States Securities and Exchange
Commission.

         (d) "Committee" means the Committee appointed by the Board or otherwise
determined in accordance with Section 4(a) of this Plan.

         (e) "Common Stock" means the common stock of the Company, par value
$0.0001 per share.

         (f) "Consultant" means any person who is engaged by the Company or any
Parent or Subsidiary to render consulting services and is compensated for such
consulting services; provided that the term Consultant shall not include
directors who are not compensated for their services or are paid only a
director's fee by the Company.

         (g) "Continuous Status as an Employee, Consultant or Outside Director"
means the absence of any interruption or termination of service as an Employee,
Consultant or Outside Director, as applicable. Continuous Status as an Employee,
Consultant or Outside Director shall not be considered interrupted in the case
of sick leave or military leave, any other leave provided pursuant to a written
policy of the Company in effect at the time of determination, or any other leave
of absence approved by the Board or the Committee; provided that such leave is
for a period of not more than the greatest of (i) 90 days, (ii) the date of the
resumption of such service upon the expiration of such leave which is guaranteed
by contract or statute or is provided in a written policy of the Company which
was in effect upon the commencement of such leave, or (iii) such period of leave
as may be determined by the Board or the Committee in its sole discretion.

<PAGE>

         (h) "Disinterested Person" shall have the meaning set forth in Rule
16b-3(d)(3), or any successor definition adopted by the Commission, provided the
person is also an"outside director" under Section 162(m) of the Code.

         (i) "Employee" means any person employed by the Company or any Parent
or Subsidiary of the Company, including employees who are also officers or
directors or both of the Company or any Parent or Subsidiary of the Company. The
payment of a director's fee by the Company shall not be sufficient to constitute
"employment" by the Company.

         (j) "Exchange Act" means the Securities Exchange Act of 1934, as
amended from time to time, and the rules and regulations promulgated thereunder.

         (k) "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
rules and regulations promulgated thereunder.

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

         (m) "Option" means a stock option granted pursuant to this Plan.

         (n) "Optioned Stock" means the Common Stock subject to an Option.

         (o) "Optionee" means an Employee, Consultant or Outside Director who
receives an Option.

         (p) "Outside Director" means any member of the Board of Directors of
the Company who is not an Employee or Consultant.

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

         (r) "Plan" means this CSO Acquisition Corp. 1996 Stock Option Plan, as
amended from time to time.

         (s) "Rule 16b-3" means Rule 16b-3, as promulgated by the Commission
under Section 16(b) of the Exchange Act, as such rule is amended from time to
time and as interpreted by the Commission.

         (t) "Securities Act" means the Securities Act of 1933, as amended from
time to time, and the rules and regulations promulgated thereunder.

                                       2
<PAGE>

         (u) "Share" means a share of the Common Stock, as adjusted in
accordance with Section 10 of this Plan.

         (v) "Subsidiary" means a "subsidiary corporation," whether now or
hereafter existing, as defined in Section 424(1) of the Code.

         3. Scope of Plan. Subject to the provisions of Section 10 of this Plan,
and unless otherwise amended by the Board and approved by the stockholders of
the Company as required by law, the maximum aggregate number of Shares issuable
under this Plan is 10,000,000, and such Shares are hereby made available and
shall be reserved for issuance under this Plan. The Shares may be authorized but
unissued, or reacquired, Common Stock.

         If an Option shall expire or become unexercisable for any reason
without having been exercised in full, the unpurchased Shares subject thereto
shall (unless this Plan shall have terminated) become available for grants of
other Options under this Plan.

         4. Administration of Plan.

         (a) Procedure. This Plan shall be administered by the Committee
appointed pursuant to this Section 4(a). The Committee shall consist of two or
more Outside Directors appointed by the Board, but all Committee members must be
Disinterested Persons. If the Board fails to appoint such persons, the Committee
shall consist of all Outside Directors who are Disinterested Persons.

         (b) Powers of Committee. Subject to Section 5(b) below and otherwise
subject to the provisions of this Plan, the Committee shall have full and final
authority in its discretion to: (i) grant Incentive Stock Options and
Nonstatutory Stock Options, (ii) determine, upon review of relevant information
and in accordance with Section 7 below, the Fair Market Value of the Common
Stock; (iii) determine the exercise price per share of Options to be granted, in
accordance with this Plan, (iv) determine the Employees and Consultants to whom,
and the time or times at which, Options shall be granted, and the number of
shares to be represented by each Option; (v) cancel, with the consent of the
Optionee, outstanding Options and grant new Options in substitution therefor;
(vi) interpret this Plan; (vii) accelerate or defer (with the consent of
Optionee) the exercise date of any Option; (viii) prescribe, amend and rescind
rules and regulations relating to this Plan; (ix) determine the terms and
provisions of each Option granted (which need not be identical) by which Options
shall be evidenced and, with the consent of the holder thereof, modify or amend
any provisions (including without limitation provisions relating to the exercise
price and the obligation of any Optionee to sell purchased Shares to the Company
upon specified terms and conditions) of any Option; (x) require withholding from
or payment by an Optionee of any federal, state or local taxes; (xi) appoint and
compensate agents, counsel, auditors or other specialists as the Committee deems
necessary or advisable; (xii) correct any defect or supply any omission or
reconcile any inconsistency in this Plan and any agreement relating to any
Option, in such manner and to such extent the Committee determines to carry out
the purposes of this Plan, and; (xiii) construe and interpret this Plan, any
agreement relating to any Option, and make all other determinations deemed by
the Committee to be necessary or advisable for the administration of this Plan.

                                       3
<PAGE>

         A majority of the Committee shall constitute a quorum at any meeting,
and the acts of a majority of the members present, or acts unanimously approved
in writing by the entire Committee without a meeting, shall be the acts of the
Committee. A member of the Committee shall not participate in any decisions with
respect to himself under this Plan.

         (c) Effect of Committee' s Decision. All decisions, determinations and
interpretations of the Committee shall be final and binding on all Optionees and
any other holders of any Options granted under this Plan.

         5. Eligibility.

         (a) Options may be granted to any Employee, Consultant or Outside
Director as the Committee may from time to time designate, provided that (i)
Incentive Stock Options may be granted only to Employees, and (ii) Options may
be granted to Outside Directors only in accordance with the provisions of
Section 5(b) below. In selecting the individuals to whom Options shall be
granted, as well as in determining the number of Options granted, the Committee
shall take into consideration such factors as it deems relevant in connection
with accomplishing the purpose of this Plan. Subject to the provisions of
Section 3 above, an Optionee may, if he or she is otherwise eligible, be granted
an additional Option or Options if the Committee shall so determine.

         (b) All grants of Options to Outside Directors under this Plan shall be
automatic and non-discretionary and shall be made strictly in accordance with
the following provisions:

         (i) No person shall have any discretion to select which Outside
Directors shall be granted options or to determine the number of Shares to be
covered by options granted to Outside Directors; provided, that nothing in this
Plan shall be construed to prevent an Outside Director from declining to receive
an Option under this Plan.

         (ii) The terms of each Option granted pursuant to this Section 5(b)
shall be as follows:

                  (A) the term of the option shall be ten (10) years;

                  (B) the Option shall become exercisable cumulatively with
                  respect to one-third of the Shares on each of the first,
                  second and third anniversaries of the date of grant; provided,
                  however, that in no event shall any option be exercisable
                  prior to obtaining stockholder approval of this Plan; and

                  (C) the exercise price per share of Common Stock shall be 100%
                  of the "Fair Market Value" (as defined in Section 7(b) below)
                  on the date of grant of the Option.

         (c) Each Option granted pursuant to Section 5(b) above shall be a
Nonstatutory Stock Option. Each other Option shall be designated in the written
option agreement as either an Incentive Stock Option or a Nonstatutory Stock
Option. Notwithstanding such designations, if and to the extent that the
aggregate Fair Market Value of the Shares with respect to which Options
designated as Incentive Stock Options are exercisable for the first time by any
Optionee during any calendar year (under all plans of the Company) exceeds
$100,000, such options shall be treated as Nonstatutory Stock Options. For
purposes of this Section 5(c), Options shall be taken into account in the order
in which they are granted, and the Fair Market Value of the Shares shall be
determined as of the time the Option with respect to such Shares is granted.

                                       4
<PAGE>

         (d) This Plan shall not confer upon any Optionee any right with respect
to continuation of employment by or the rendition of services to the Company or
any Parent or Subsidiary, nor shall it interfere in any way with his or her
right or the right of the Company or any Parent or Subsidiary to terminate his
or her employment or services at any time, with or without cause. The terms of
this Plan or any Options granted hereunder shall not be construed to give any
Optionee the right to any benefits not specifically provided by this Plan or in
any manner modify the Company's right to modify, amend or terminate any of its
pension or retirement plans.

         6. Term of Plan. This Plan shall become effective upon its adoption by
the Board of Directors of the Company subject to the approval thereof by vote of
the holders of a majority of the outstanding shares of the Company present, or
represented, and entitled to vote at a meeting to be duly held in accordance
with the applicable laws of the State of Delaware. Such meeting shall be held
within twelve months of the adoption of the Plan by the Board of Directors. The
Plan shall terminate no later than January 1, 2006. No grants shall be made
under this Plan after the date of termination of this Plan. Any termination,
either partially or wholly, shall not affect any Options then outstanding under
this Plan.

         7. Exercise Price and Consideration.

         (a) Exercise Price. The per Share exercise price for the Shares to be
issued pursuant to exercise of an Option shall be determined by the Committee as
follows:

         (i) In the case of an Incentive Stock Option granted to any Employee,
the per Share exercise price shall be no less than 100% of the Fair Market Value
per Share on the date of grant, but if granted to an Employee who, at the time
of the grant of such Incentive Stock Option, owns stock representing more than
ten percent (10%) of the voting power of all classes of stock of the Company or
any Parent or Subsidiary, the per Share exercise price shall be no less than
110% of the Fair Market Value per Share on the date of grant.

         (ii) With respect to (i) above, the per Share exercise price is subject
to adjustment as provided in Section 10 below. For purposes of this Section
7(a), if an Option is amended to reduce the exercise price, the date of grant of
such option shall thereafter be considered to be the date of such amendment.

         (b) Fair Market Value. The "Fair Market Value" of the Common Stock
shall be determined by the Committee in its discretion; provided, that if the
Common Stock is listed on a stock exchange, the Fair Market Value per Share
shall be the closing price on such exchange on the date of grant of the Option
as reported in the Wall Street Journal (or, (i) jf not so reported, as otherwise
reported by the exchange, and (ii) if not reported on the date of grant, then on
the last prior date on which a sale of the Common Stock was reported); or if not
listed on an exchange but traded on the National Association of Securities
Dealers Automated Quotation National Market System ("NASDAQ"), the Fair Market
Value per Share shall be the closing price per share of the Common Stock for the
date of grant, as reported in the Wall Street Journal (or, (i) if not so
reported, as otherwise reported by NASDAQ, and (ii) if not reported on the date
of grant, then on the last prior date on which a sale of the Common Stock was
reported); or, if the Common Stock is otherwise publicly traded, the mean of the
closing bid price and asked price for the last known sale.

                                       5
<PAGE>

         (c) Consideration. The consideration to be paid for the Shares to be
issued upon exercise of an Option, including the method of payment, shall be
determined by the Committee (and in the case of an Incentive Stock Option, shall
be determined at the time of grant) and may consist entirely of (i) cash; (ii)
check; (iii) the Optionee' s personal interest bearing full recourse promissory
note with such terms and provisions as the Committee may authorize (provided
that no person who is not an Employee of the Company may purchase Shares with a
promissory note); (iv) other Shares of Common Stock which (X) either have been
owned by the Optionee for more than six (6) months on the date of surrender or
were not acquired directly or indirectly from the Company, and (Y) have a Fair
Market Value on the date of surrender (determined without regard to any
limitations on transferability imposed by securities laws) equal to the
aggregate exercise price of the Shares as to which said Option shall be
exercised; (v) any combination of such methods of payment; or (vi) such other
consideration and method of payment for the issuance of Shares to the extent
permitted under applicable laws.

         (d) Withholding. No later than the date as of which an amount first
becomes includable in the gross income of the Optionee for federal income tax
purposes with respect to an option, the Optionee shall pay to the Company (or
other entity identified by the Committee), or make arrangements satisfactory to
the Company or other entity identified by the Committee regarding the payment
of, any federal, state, local or foreign taxes of any kind required by law to be
withheld with respect to such amount required in order for the Company to obtain
a current deduction. Unless otherwise determined by the Committee, withholding
obligations may be settled with Common Stock, including Common Stock underlying
the subject option, provided that any applicable requirements under Section 16
of the Exchange Act are satisfied so as to avoid liability thereunder. The
obligations of the Company under this Plan shall be conditional upon such
payment or arrangements, and the Company shall, to the extent permitted by law,
have the right to deduct any such taxes from any payment otherwise due to the
Optionee.

         8. Options.

         (a) Term of Option. The term of each Option granted (other than an
Option granted under Section 5(b) above) shall be for a period of no more than
ten (10) years from the date of grant thereof or such shorter term as may be
provided in the Option agreement.

         (b) Exercise of Options.

         (i) Procedure for Exercise: Rights as a Stockholder. Any Option granted
under this Plan (other than an Option granted pursuant to Section 5(b) above)
shall be exercisable at such times and under such conditions as determined by
the Committee, including performance criteria with respect to the Company and/or
the Optionee, and as shall otherwise be permissible under the terms of this
Plan.

                                       6
<PAGE>

         An Option may not be exercised for a fraction of a Share.

         An Option shall be deemed to be exercised when written notice of such
exercise has been given to the Company in accordance with the terms of the
Option by the person entitled to exercise the Option and full payment for the
Shares with respect to which the Option is exercised has been received by the
Company. Full payment may, as authorized by the Committee, consist of any
consideration and method of payment allowable under Section 7 of this Plan.
Until the issuance (as evidenced by the appropriate entry on the books of the
Company or of a duly authorized transfer agent of the Company) of the stock
certificate evidencing such Shares, no right to vote or receive dividends or any
other rights as a stockholder shall exist with respect to the Optioned Stock,
notwithstanding the exercise of the Option. The Company shall issue (or cause to
be issued) such stock certificate promptly upon exercise of the Option. If the
exercise of an Option is treated in part as the exercise of an Incentive Stock
Option and in part as the exercise of a Nonstatutory Stock Option pursuant to
Section 5(b) above, the Company shall issue a separate stock certificate
evidencing the Shares treated as acquired upon exercise of an Incentive Stock
Option and a separate stock certificate evidencing the Shares treated as
acquired upon exercise of a Nonstatutory Stock Option and shall identify each
such certificate accordingly in its stock transfer records. No adjustment will
be made for a dividend or other right for which the record date is prior to the
date the stock certificate is issued, except as provided in Section 10 of this
Plan.

         Exercise of an Option in any manner shall result in a decrease in the
number of Shares which thereafter may be available, both for purposes of this
Plan and for sale under the Option, by the number of Shares as to which the
Option is exercised.

         (ii) Method of Exercise. An Optionee may exercise an Option, in whole
or in part, at any time during the option period by the Optionee's giving
written notice of exercise on a form provided by the Committee (if available) to
the Company specifying the number of shares of Common Stock subject to the
Option to be purchased. Such notice shall be accompanied by payment in full of
the purchase price by cash or check or such other form of payment as the Company
may accept. If approved by the Committee, payment in full or in part may also be
made (A) by delivering Common Stock already owned by the Optionee having a total
Fair Market Value on the date of such delivery equal to the exercise price of
the subject Option; (B) by the execution and delivery of a note or other
evidence of indebtedness (and any security agreement thereunder) satisfactory to
the Committee; (C) by authorizing the Company to retain shares of Common Stock
which would otherwise be issuable upon exercise of the Option having a total
Fair Market Value on the date of delivery equal to the exercise price of the
subject Option; (D) by the delivery of cash by a broker-dealer to whom the
Optionee has submitted an irrevocable notice of exercise (in accordance with
Part 220, Chapter II, Title 12 of the Code of Federal Regulations, so-called
"cashless" exercise); or (E) by any combination of the foregoing. In the case of
an Incentive Stock Option, the right to make a payment in the form of already
owned shares of Common Stock of the same class as the Common Stock subject to
the Option may be authorized only at the time the Option is granted. No shares
of Common Stock shall be issued until full payment therefor has been made. An
Optionee shall have all of the rights of a stockholder of the Company holding
the class of Common Stock that is subject to such Option (including, if
applicable, the right to vote the shares and the right to receive dividends),
when the Optionee has given written notice of exercise, has paid in full for
such shares and such shares have been recorded on the Company's official
stockholder records as having been issued or transferred.

                                       7
<PAGE>

         (iii) Termination of Status as an Employee. Consultant or Outside
Director. If an Optionee's Continuous Status as an Employee, Consultant or
Outside Director (as the case may be) is terminated for any reason whatever,
such Optionee may, but only within such period of time as provided in the Option
agreement, after the date of such termination (but in no event later than the
date of expiration of the term of such Option as set forth in the Option
agreement and determined by the Committee), exercise the Option to the extent
that such Employee, Consultant or Outside Director was entitled to exercise it
at the date of such termination pursuant to the terms of the Option agreement.
To the extent that such Employee, Consultant or Outside Director was not
entitled to exercise the Option at the date of such termination, or if such
Employee, Consultant or Outside Director does not exercise such Option (which
such Employee, Consultant or Outside Director was entitled to exercise) within
the time specified in the Option agreement, the Option shall terminate.

         (iv) Company Loan or Guarantee. Upon the exercise of any Option and
subject to the pertinent Option agreement and the discretion of the Committee,
the Company may at the request of the Optionee; (A) lend to the Optionee, with
recourse, an amount equal to such portion of the option exercise price as the
Committee may determine; or (B) guarantee a loan obtained by the Optionee from a
third-party for the purpose of tendering the option exercise price.

         9. Non-transferability of Options. An Option granted hereunder shall by
its terms not be sold, pledged, assigned, hypothecated, transferred, or disposed
of in any manner other than by will or the laws of descent and distribution. An
Option may be exercised during the Optionee's lifetime only by the Optionee.

         10. Adjustments Upon Changes in Capitalization or Merger.

         (a) Capitalization. Subject to any required action by the stockholders
of the Company, the number of shares of Common Stock which have been authorized
for issuance under this Plan but as to which no Options have yet been granted or
which have been returned to this Plan upon cancellation or expiration of an
Option, and the number of shares of Common Stock subject to each outstanding
Option, as well as the price per share of Common Stock covered by each such
outstanding Option, shall be proportionately adjusted for any increase or
decrease in the number of issued shares of Common Stock resulting from a stock
split, reverse stock split, stock dividend, combination or reclassification of
the Common Stock of the Company or the payment of a stock dividend with respect
to the Common Stock. Except as expressly provided herein, no issuance by the
Company of shares of stock of any class, or securities convertible into shares
of stock of any class, shall affect, and no adjustment by reason thereof shall
be made with respect to, the number or price of shares of Common Stock subject
to an Option.

                                       8
<PAGE>

         (b) Dissolution or Liquidation. In the event of the proposed
dissolution or liquidation of the Company, each Option will terminate
immediately prior to the consummation of such proposed action, unless otherwise
provided by the Committee. The Committee may, in the exercise of its sole
discretion in such instances, declare that any Option shall terminate as of a
date fixed by the Committee and give each Optionee the right to exercise his or
her Option as to all or any part of the Optioned Stock, including Shares as to
which the Option would not otherwise be exercisable.

         (c) Sale or Merger. "Sale" means: (i) sale (other than a sale by the
Company) of securities entitled to more than 75% of the voting power of the
Company in a single transaction or a related series of transactions; or (ii)
sale of substantially all of the assets of the Company; or (iii) approval by the
stockholders of the Company of a reorganization, merger or consolidation of the
Company, as a result of which the persons who were the stockholders of the
Company immediately prior to such reorganization, merger or consolidation do not
own securities immediately after the reorganization, merger or consolidation
entitled to more than 50% of the voting power of the reorganized, merged or
consolidated company. Immediately prior to a Sale, each Optionee may exercise
his or her Option as to all Shares then subject to the Option, regardless of any
vesting conditions otherwise expressed in the Option. Voting Power, as used in
this Section 10(c), shall refer to those securities entitled to vote generally
in the election of directors, and securities of the Company not entitled to vote
but which are convertible into, or exercisable for, securities of the Company
entitled to vote generally in the election of directors shall be counted as if
converted or exercised, and each unit of voting securities shall be counted in
proportion to the number of votes such unit is entitled to cast.

         (d) Purchased Shares. No adjustment under this Section 10 shall apply
to any purchased Shares already deemed issued at the time any adjustment would
occur.

         (e) Notice of Adiustments. Whenever the purchase price or the number or
kind of securities issuable upon the exercise of the Option shall be adjusted
pursuant to Section 10, the Company shall give each Optionee written notice
setting forth, in reasonable detail, the event requiring the adjustment, the
amount of the adjustment, and the method by which such adjustment was
calculated.

                                       9
<PAGE>

         (f) Certain Cash Payments. If an Optionee would not be permitted to
exercise an Option or any portion thereof (for purposes of this subsection (f)
only, each such Option being referred to as a "Subject Option") or dispose of
the Shares received upon the exercise thereof without loss or liability (other
than a loss or liability for the exercise price, applicable withholding or any
associated transactional cost), or if the Board determines that the Optionee may
not be permitted to exercise the same rights or receive the same consideration
with respect to the Sale of the Company as a stockholder of the Company with
respect to any Subject Options or portion thereof or the Shares received upon
the exercise thereof, then notwithstanding any other provision of this Plan and
unless the Committee shall provide otherwise in an agreement with such Optionee
with respect to any Subject Options, such Optionee shall have the right, whether
or not the Subject Option is fully exercisable or may be otherwise realized by
the Optionee, by giving notice during the 60-day period from and after a Sale to
the Company, to elect to surrender all or part of any Subject Options to the
Company and to receive cash, within 30 days of such notice, in an amount equal
to the amount by which the "Sale Price" (as defined herein) per share of Common
Stock on the date of such election shall exceed the amount which the Optionee
must pay to exercise the Subject Options per share of Common Stock under such
Subject Options (the "Spread") multiplied by the number of shares of Common
Stock granted under the Subject Options as to which the right granted hereunder
shall be applicable and shall have been exercised; provided, however, that if
the end of such 60-day period from and after a Sale is within six months of the
date of grant of a Subject Option held by an Optionee (except an Optionee who
has deceased during such six month period) who is an officer or director of the
Company (within the meaning of Section 16(b) of the Exchange Act), such Subject
Option shall be canceled in exchange for a payment to the Optionee, effective on
the day which is six months and one day after the date of grant of such Subject
Option, equal to the Spread multiplied by the number of shares of Common Stock
granted under the Subject Option. With respect to any Optionee who is an officer
or director of the Company (within the meaning of Section 16(b) of the Exchange
Act), the 60-day period shall be extended, if necessary, to include the "window
period" of Rule 16(b)-3 which first commences on or after the date of the Sale,
and the Committee shall have sole discretion, if necessary, to approve the
Optionee's exercise hereunder and the date on which the Spread is calculated may
be adjusted, if necessary, to a later date if necessary to avoid liability to
such Optionee under Section 16(b). For purposes of the Plan, "Sale Price" means
the higher of (a) the highest reported sales price of a share of Common Stock in
any transaction reported on the principal exchange on which such shares are
listed or on NASDAQ during the 60-day period prior to and including the date of
a Sale or (b) if the Sale is the result of a tender or exchange offer or a
corporate transaction, the highest price per share of Common Stock paid in such
tender or exchange offer or a corporate transaction, except that, in the case of
Incentive Stock Options, such price shall be based only on the Fair Market Value
of the Common Stock on the date such Incentive Stock Option is exercised. To the
extent that the consideration paid in any such transaction described above
consists all or in part of securities or other non-cash consideration, the value
of such securities or other non-cash consideration shall be determined in the
sole discretion of the Committee.

        (g) Mitigation of Excise Tax. If any payment or right accruing to an
Optionee under this Plan (without the application of this Section), either alone
or together with other payments or rights accruing to the Optionee from the
Company or an affiliate ("Total Payments") would constitute a "parachute
payment" (as defined in Section 280G of the Code and regulations thereunder),
the Committee may in each particular instance determine to (i) reduce such
payment or right to the largest amount or greatest right that will result in no
portion of the amount payable or right accruing under the Plan being subject to
an excise tax under Section 4999 of the Code or being disallowed as a deduction
under Section 280G of the Code, or (ii) take such other actions, or make such
other arrangements or payments with respect to any such payment or right as the
Committee may determine in the circumstances. Any such determination shall be
made by the Committee in the exercise of its sole discretion, and such
determination shall be conclusive and binding on the Optionee. The Optionee
shall cooperate as may be requested by the Committee in connection with the
Committee's determination, including providing the Committee with such
information concerning such Optionee as the Committee may deem relevant to its
determination.

                                       10
<PAGE>

         11. Time of Granting Options. The date of grant of an Option shall, for
all purposes, be the date on which the Committee makes the determination
granting such Option. Notice of the determination shall be given to each
Employee, Consultant or Outside Director to whom an Option is so granted within
a reasonable time after the date of such grant. If the Committee cancels, with
the consent of Optionee, any Option granted under this Plan, and a new Option is
substituted therefor, the date that the canceled Option was originally granted
shall be the date used to determine the earliest date for exercising the new
substituted Option under Section 7 so that the Optionee may exercise the
substituted Option at the same time as if the Optionee had held the substituted
Option since the date the canceled Option was granted.

         12. Amendment and Termination of Plan.

         (a) Amendment and Termination. The Board or the Committee may amend,
waive or terminate this Plan from time to time in such respects as it shall deem
advisable; provided that, to the extent necessary to comply with Rule 16b-3 or
with Section 422 of the Code (or any other successor or applicable law or
regulation), the Company shall obtain stockholder approval of any Plan amendment
in such a manner and to such a degree as is required by the applicable law, rule
or regulation. Notwithstanding the foregoing, neither the provisions of Section
5(b) of this Plan, nor any other provisions pertaining to the automatic option
grants to Outside Directors, shall be amended more than once every six months,
other than to comport with changes in the Code or other applicable laws or any
rules or regulations promulgated thereunder.

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

         13. Conditions Upon Issuance of Shares. Shares shall not be issued
pursuant to the exercise of an Option unless the exercise of such Option and the
issuance and delivery of such Shares pursuant thereto shall comply with all
relevant provisions of law, including, without limitation, the Securities Act,
the Exchange Act, and the rules and regulations promulgated thereunder, and the
requirements of any stock exchange upon which the Shares may then be listed, and
shall be further subject to the approval of counsel for the Company with respect
to such compliance.

         As a condition to the exercise of an Option, the Company may require
the person exercising such Option to represent and warrant at the time of any
such exercise that the Shares are being purchased only for investment and
without any present intention to sell or distribute such Shares if, in the
opinion of counsel for the Company, such a representation is required by any of
the aforementioned relevant provisions of law.

         14. Restrictions on Shares. Shares of Common Stock issued upon exercise
of an Option shall be subject to the terms and conditions specified herein and
to such other terms conditions and restrictions as the Committee in its
discretion may determine or provide in the grant. The Company shall not be
required to issue or deliver any certificates for shares of Common Stock, cash
or other property prior to (a) the listing of such shares on any stock exchange
(or other public market) on which the Common Stock may then be listed (or
regularly traded), (b)the completion of any registration or qualification of
such shares under federal or state law, or any ruling or regulation of any
government body which the Committee determines to be necessary or advisable, and
(c) the satisfaction of any applicable withholding obligation in order for the
Company or an affiliate to obtain a deduction with respect to the exercise of an
Option. The Company may cause any certificate for any share of Common Stock to
be delivered to be properly marked with a legend or other notation reflecting
the limitations on transfer of such Common Stock as provided in this Plan or as
the Committee may otherwise require. The Committee may require any person
exercising an Option to make such representations and furnish such information
as it may consider appropriate in connection with the issuance or delivery of
the shares of Common Stock in compliance with applicable law or otherwise.
Fractional shares shall not be delivered, but shall be rounded to the next lower
whole number of shares.

                                       11
<PAGE>

         15. Stockholder Rights. No person shall have any rights of a
stockholder as to shares of Common Stock subject to an Option until, after
proper exercise of the Option or other action required, such shares shall have
been recorded on the Company's official stockholder records as having been
issued or transferred. Subject to the preceding Section and upon exercise of the
Option or any portion thereof, the Company will have thirty (30) days in which
to issue the shares, and the Optionee will not be treated as a stockholder for
any purpose whatsoever prior to such issuance. No adjustment shall be made for
cash dividends or other rights for which the record date is prior to the date
such shares are recorded as issued or transferred in the Company's official
stockholder records, except as provided herein or in an agreement.

         16. Best Efforts To Register. If there has been a public offering, the
Company may register under the Securities Act the Common Stock delivered or
deliverable pursuant to Options on Commission Form S-8 if available to the
Company for this purpose (or any successor or alternate form that is
substantially similar to that form to the extent available to effect such
registration), in accordance with the rules and regulations governing such
forms, as soon as such forms are available for registration to the Company for
this purpose. The Company will, if it so determines, use its good faith efforts
to cause the registration statement to become effective as soon as possible and
will file such supplements and amendments to the registration statement as may
be necessary to keep the registration statement in effect until the earliest of
(a) one year following the expiration of the option period of the last Option
outstanding, (b)the date the Company is no longer a reporting company under the
Exchange Act and (c) the date all Optionees have disposed of all shares
delivered pursuant to any Option. The Company may delay the foregoing actions at
any time and from time to time if the Committee determines in its discretion
that any such registration would materially and adversely affect the Company's
interests or if there is no material benefit to Optionees.

         17. Reservation of Shares. The Company, during the term of this Plan,
will at all times reserve and keep available such number of Shares as shall be
sufficient to permit the exercise of all Options outstanding under this Plan.
The inability of the Company to obtain authority from any regulatory body having
jurisdiction, which authority is deemed by the Company's counsel to be necessary
to the lawful issuance and sale of any Shares hereunder, shall relieve the
Company of any liability in respect of the failure to issue or sell such Shares
as to which such requisite authority shall not have been obtained for any
reason.

                                       12
<PAGE>

         18. Option Agreements. Options shall be evidenced by written Option
agreements in such form as the Committee shall approve.

         19. Information to Optionees. To the extent required by applicable law,
the Company shall provide to each Optionee, during the period for which such
Optionee has one or more Options outstanding, copies of all annual reports and
other information which are provided to all stockholders of the Company. Except
as otherwise noted in the foregoing sentence, the Company shall have no
obligation or duty to affirmatively disclose to any Optionee, and no Optionee
shall have any right to be advised of, any material information regarding the
Company or any Parent or Subsidiary at any time prior to, upon or otherwise in
connection with, the exercise of an Option.

         20. Funding. Benefits payable under this Plan to any person shall be
paid directly by the Company. The Company shall not be required to fund or
otherwise segregate assets to be used for payment of benefits under this Plan.

         21. Indemnification. In addition to such other rights of
indemnification as they may have as directors or as members of the Committee,
the members of the Committee shall be indemnified by the Company against the
reasonable expenses, including attorneys' fees, actually and necessarily
incurred in connection with the defense of any action, suit or proceeding, or in
connection with any appeal therein, to which they or any of them may be a party
by reason of any action taken or failure to act under or in connection with this
Plan or any option granted hereunder, and against all amounts paid by them in
settlement thereof (provided such settlement is approved by independent legal
counsel selected by the Company) or paid by them in satisfaction of a judgment
in any such action, suit or proceeding; provided that within 60 days after
institution of any such action, suit or proceeding a Committee member shall in
writing offer the Company the opportunity, at its own expense, to handle and
defend the same. The foregoing right of indemnification shall not be exclusive
and shall be independent of any other rights of indemnification to which such
persons may be entitled under the Company's Certificate of Incorporation or
by-laws, by contract, as a matter of law, or otherwise.

         22. Controlling Law. This Plan shall be governed by the laws of the
State of Delaware applicable to contracts made and performed wholly in Delaware
between Delaware residents.

                                       13

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