Document:

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                                                                     EXHIBIT 4.3

                       StarGuide Digital Networks, Inc.
                            1996 Stock Option Plan

Section 1.  Purpose.

     The purpose of the Plan is to provide a means whereby the Company may,
through the grant of Options (including Incentive Stock Options), attract and
retain individuals of exceptional ability and motivate such individuals to exert
their best efforts on behalf of the Company.

Section 2.  Definitions.

     Board:  The Board of Directors of the Company.

     Class B Common Stock:  The Class B Common Stock, $.001 par value, of the
Company or such other class of shares or other securities as may be applicable
pursuant to the provisions of Section 7.

     Company:  StarGuide Digital Networks, Inc., a Nevada corporation, and any
successor thereto.

     Fair Market Value:  The fair market value of Class B Common Stock shall be
determined by the Board at the time the Option is granted, and, in the case of
Incentive Stock Options, shall not be less than the fair market value (but in no
event less than the par value) of the Class B Common Stock on the date on which
the Option is granted.  If Class B Common Stock is actively traded or quoted in
an established market (such as a national securities exchange or the National
Association of Securities Dealers Automated Quotation System) the fair market
value of Class B Common Stock shall not be less than the price of Class B Common
Stock as of the close of the date on which the Option is granted.

     Incentive Stock Option:  As defined in Section 422 of the Internal Revenue
Code of 1986, as amended.

     Key Individual:  An individual approved by the Board for participation in
the Plan on the basis of his or her ability to contribute significantly to the
growth and profitability of the Company; provided that Incentive Stock Options
may be granted only to Key Individuals who are employees of the Company.

     Option:  An option to purchase shares of Class B Common Stock granted to a
Key Individual pursuant to Section 5.

     Plan:  The StarGuide Digital Networks, Inc. 1996 Stock Option Plan, as
amended from time to time.

                              Exhibit 4.3-Page 1
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Section 3.  Administration.

     The Plan shall be administered by the Board.  The Board shall have the
authority to approve Key Individuals for participation; to construe and
interpret the Plan; to establish, amend or waive rules and regulations for its
administration; to establish guidelines for the grant of Options; and to
determine the form of any grant as Incentive Stock Options, nonqualified options
or any combination thereof, the number of shares subject to the grant, the time
and conditions of vesting or exercise and under which vesting or exercise may be
accelerated, and all other terms and conditions of the grant.  Options may be
amended by the Board from time to time; provided that no such amendment may
adversely affect the rights of an Option holder without such holder's consent.
The Board may employ such legal counsel, consultants and agents as it may deem
desirable for the administration of the Plan and may rely upon any opinion
received from any such counsel or consultant and any computation received from
any such consultant or agent.  No member or former member of the Board shall be
liable for any action or determination made in good faith with respect to the
Plan or any Option.  To the maximum extent permitted by applicable law, each
member or former member of the Board shall be indemnified and held harmless by
the Company against any cost or expense (including legal fees) or liability
(including any sum paid in settlement of a claim with the approval of the
Company) arising out of any act or omission to act in connection with the Plan
unless arising out of such member's or former member's own fraud or bad faith.
Such indemnification shall be in addition to any rights of indemnification the
members or former members may have as directors or under the by-laws of the
Company.

Section 4.  Common Stock Subject to Plan.

     Subject to Section 7, the aggregate shares of Class B Common Stock that may
be issued under the Plan shall not exceed 2,000,000.  The shares issued upon
exercise of Options may be authorized and unissued shares or shares held by the
Company in its treasury, or both.  In the event of a lapse, expiration,
termination, forfeiture or cancellation of any Option granted under the Plan
without the issuance of shares or payment of cash, the Class B Common Stock
subject to or reserved for such Option may be used again for a new Option
hereunder; provided that in no event may the number of shares of Class B Common
Stock issued hereunder exceed the total number of shares reserved for issuance.
Any shares of Class B Common Stock withheld or surrendered to pay withholding
taxes pursuant to Section 10(d) or withheld or surrendered in full or partial
payment of the exercise price of an Option pursuant to Section 5(f) shall be
added to the aggregate shares of Class B Common Stock available for issuance.

Section 5.  Options.

     (a)    Agreement.  Each Option shall b evidenced by an agreement in a form
            ---------
approved by the Board.

     (b)    Price.  The exercise price per share shall be not less than the Fair
            -----
Market Value on the grant date.

                              Exhibit 4.3-Page 2
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     (c)    Limitations.  The exercise price of Incentive Stock Options
            -----------
exercisable for the first time by a Key Individual during any calendar year
shall not exceed $100,000. No Incentive Stock Options may be granted after April
3, 2006.

     (d)    Duration.  Each Option shall expire at such time as the Board may
            --------
determine at the time of grant and as specified in the Option agreement,
provided that Incentive Stock Options must expire not later than ten years from
the grant date.

     (e)    Exercise of Option.  No part of any Option may be exercised until
            ------------------
the holder shall have satisfied the conditions (i.e., such as remaining in the
                                                ----
employ of the Company for a certain period of time) as the Board may specify in
the Option agreement.

     (f)    Payment.  The exercise price of an Option shall be paid in full at
            -------
the time of exercise in cash, through the delivery, surrender or withholding of
Class B Common Stock, including shares of Class B Common Stock subject to the
Option be exercised, having a Fair Market Value equal to the exercise price or
by a combination of the foregoing.

Section 6.  Termination of Employment.

     (a)    Forfeiture of Options Upon Termination of Employment.  All unvested
            ----------------------------------------------------
Options shall be forfeited upon termination of employment for any reason other
than death unless the terms of the Option provide otherwise.  The Board, in its
sole discretion, may waive this automatic forfeiture provision at any time for
any Option.  The vested portion of any Option also shall terminate immediately
upon the termination of the Key Individual's employment for reasons of
dishonesty; conviction for, or plea of nolo contendere to, a felony or crime
involving moral turpitude; commission of an act involving self-dealing, fraud or
personal profit that is injurious to the Company or any affiliated company; or
gross negligence in the conduct of the grantee's duties for the Company.
Notwithstanding the foregoing, all unvested Options shall become fully vested
upon the Option holder's death while employed.

     (b)    Treatment of Options Following Termination.
            ------------------------------------------

            (i)     Termination Due to Death.  Any Options held by a Key
                    ------------------------
     Individual who dies while employed by the Company shall be exercisable by
     the Key Individual's estate not later than the earlier of one year after
     the date of death or the expiration of the term of the Options.

            (ii)    Termination for Other Reasons.  Upon termination of
                    -----------------------------
     employment for any other reason, any Options vested prior to such
     termination may be exercised by a Key Individual not later than the earlier
     of one year after the date of termination or the expiration of the term of
     the Options.

Section 7.  Adjustment Provisions.

     If during the term of this Plan there shall be any change in Class B Common
Stock through a merger, consolidation, reorganization, recapitalization or
otherwise, or if there shall be a dividend on Class B Common Stock payable in
Class B Common Stock, or if there shall be a stock split, combination or other
change in Class B Common Stock, the shares of Class B

                              Exhibit 4.3-Page 3
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Common Stock available under this Plan shall be increased or decreased
proportionately to give effect to such change in Class B Common Stock and the
shares of Class B Common Stock subject to then existing Options shall be
proportionately adjusted so that upon the issuance of Class B Common Stock
pursuant to the exercise of such Options, the person receiving such Class B
Common Stock will receive the securities which would have been received if the
issuance of Class B Common Stock pursuant to the Options had occurred
immediately prior to such merger, consolidation, reorganization,
recapitalization, dividend, stock split, combination or other change. Each such
Option shall be adjusted to nearest whole share, rounding downwards. In no event
shall any fractional share become subject to an Option issued hereunder.

Section 8.  Compliance with Other Laws and Regulations.

     The Plan, the grant and exercise of Options, and the obligation of the
Company to sell and deliver shares of Class B Common Stock under such Options,
shall be subject to all applicable Federal and state laws, rules and regulations
and to such approvals by any government or regulatory agency as may be required.
If at any time the Board shall determine in its discretion that the listing,
registration or qualification of the Class B Common Stock covered by the Plan
upon any national securities exchange or under any state or Federal law, or the
consent or approval of any government regulatory body, is necessary or desirable
as a condition of, or in connection with, the sale or purchase of Class B Common
Stock under the Plan, no Class B Common Stock will be delivered unless and until
such listing, registration, qualification, consent or approval shall have been
effected or obtained, or otherwise provided for, free of any conditions not
acceptable to the Board.  If Class B Common Stock is not required to be
registered, but is exempt from registration, upon exercising all or any portion
of an Option, the Company may require each holder to represent that the Class B
Common Stock is being acquired for investment only and not with a view to their
sale or distribution and to make such other representations deemed appropriate
by counsel to the Company.  Class B Common Stock certificates evidencing
unregistered Class B Common Stock acquired upon exercise of Options shall bear
any legend required by applicable state securities laws and a restrictive legend
substantially as follows:

            The voluntary or involuntary encumbering, transfer or
            other disposition (including, without limitation, any
            disposition pursuant to the laws of bankruptcy,
            insolvency, intestacy, descent and distribution or
            succession) of the shares of stock evidenced by this
            certificate is restricted under the terms of a
            Stockholders Agreement, dated effective as of January 5,
            1996, to which the holder of this certificate is a party,
            a copy of which agreement is on file at the principal
            office of the Corporation. Upon written request of any
            stockholder of the Corporation, the Corporation shall
            furnish, without charge to such stockholder, a copy of
            such agreement.

            The securities represented hereby have not been registered
            under the Securities Act of 1933, as amended, and may not
            be offered, sold or otherwise transferred, pledged or
            hypothecated unless and until registered under said Act
            or, in the opinion of counsel

                              Exhibit 4.3-Page 4
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            reasonably acceptable to the issuer of these securities,
            such offer, sale, transfer, pledge or hypothecation does
            not violate the provisions thereof or unless sold pursuant
            to Rule 144 or Rule 144A under said Act.

Section 9.  Term.

     The Plan shall be deemed adopted and shall become effective on the date it
is approved by the stockholders of the Company and shall continue until
terminated by the Board or no Class B Common Stock remains available for
issuance under Section 4, whichever occurs first.

Section 10. General Provisions.

     (a)    Employment.  Nothing contained in this Plan or any Option shall be
            ----------
construed as a contract of employment between the Company and any Key
Individual, or as a right of any Key Individual to be continued in the
employment of the Company or as a limitation of the Company's right to discharge
any Key Individual with or without cause.  Except as expressly provided in this
Plan, nothing contained herein or in any Option agreement shall be construed as
a term or condition of any Key Individual's employment and, in particular,
neither this Plan nor any Option shall confer additional rights or privileges
upon any Key Individual over his or her existing terms and conditions of
employment nor shall they entitle any Key Individual to additional compensation
or damages upon termination of employment.

     (b)    Ownership of Class B Common Stock Allocated to Plan.  No Key
            ---------------------------------------------------
Individual (individually or as a member of a group), and no beneficiary or other
person claiming under or through such Key Individual, shall have any right,
title or interest in or to any Class B Common Stock allocated or reserved for
purposes of the Plan or subject to any Option except as to shares of Class B
Common Stock, if any, as shall have been issued to such Key Individual.

     (c)    Governing Law.  The Plan, and all agreements hereunder, shall be
            -------------
construed in accordance with and governed by the laws of the State of Nevada.

     (d)    Withholding of Taxes.  The Company may withhold, or allow an Option
            --------------------
holder to remit to the Company, any Federal, state or local taxes applicable to
any grant, exercise, vesting or other event giving rise to income tax liability
with respect to an Option.  An Option holder may elect to surrender previously
acquired Class B Common Stock or to have the Company withhold Class B Common
Stock that would otherwise have been issued pursuant to the exercise of an
Option or in connection with any other Option, the number of shares of such
withheld or surrendered Class B Common Stock to be sufficient to satisfy all or
a portion of the income tax liability that arises upon the exercise, vesting or
other event giving rise to income tax liability with respect to an Option.

     (e)    Non-transferability; Exceptions.  Except as provided in this Section
            -------------------------------
9(c), no Option may be assigned or subjected to any encumbrance, pledge or
charge of any nature.  Under such rules and procedures as the Board may
establish, the holder of an Option may transfer such Option to members of the
holder's immediate family (i.e., children, grandchildren and spouse) or to one
or more trusts for the benefit of such family members or to partnerships in
which such family members are the only partners, provided that (i) the
agreement, if any, with respect to

                              Exhibit 4.3-Page 5
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such Options, expressly so permits or is amended to so permit, (ii) the holder
does not receive any consideration for such transfer, and (iii) the holder
provides such documentation or information concerning any such transfer or
transferee as the Board may reasonably request. Any Options held by any
transferees shall be subject to the same terms and conditions that applied
immediately prior to their transfer. Any Option not granted pursuant to any
agreement expressly permitting its transfer or amended expressly to permit its
transfer shall not be transferable. Such transfer rights shall in no event apply
to any Incentive Stock Option.

Section 11. Amendment or Discontinuance of the Plan.

     (a)    Amendment or Discontinuance.  The Plan may be amended or
            ---------------------------
discontinued by the Board from time to time, provided that without the approval
of stockholders, no amendment shall be made which (i) amends Section 4 to
increase the aggregate Class B Common Stock that may be issued pursuant to
Options, (ii) permits any person who is not a Key Individual to be granted an
Option, or (iii) amends this Section 11.

     (b)    Effect of Amendment or Discontinuance on Options.  No amendment or
            ------------------------------------------------
discontinuance of the Plan by the Board or the stockholders of the Company shall
adversely affect any Option theretofore granted without the consent of the
holder.

                              Exhibit 4.3-Page 6<PAGE>

                                                                     Exhibit 4.4

                       STARGUIDE DIGITAL NETWORKS, INC.
                           1999 EQUITY INCENTIVE PLAN

     1. Purposes of the Plan. The purposes of the StarGuide Digital Networks,
        --------------------
Inc. 1999 Equity Incentive Plan are to attract and retain the best available
personnel for positions of substantial responsibility, to provide additional
incentive to Employees, Directors and Consultants and to promote the success of
the Company's business. Options granted under the Plan may be Incentive Stock
Options or Non-Qualified Stock Options, as determined by the Administrator at,
the time of grant. Stock Purchase Rights may also be granted under the Plan.

     2. Definitions.  As used herein, the following definitions shall apply:
        -----------

        (a) "Acquisition" means (i) any consolidation or merger of the Company
             -----------
with or into any other corporation or other entity, or person in which the
stockholders of the Company prior to such consolidation or merger own less than
fifty percent (50%) of the Company's voting power immediately after such
consolidation or merger, excluding any consolidation or merger effected
exclusively to change the domicile of the Company; or (ii) a sale of all or
substantially all of the assets of the Company.

        (b) "Administrator" means the Board or the Committee responsible for
             -------------
conducting the general administration of the Plan, as applicable, in accordance
with Section 4 hereof.

        (c) "Applicable Laws" means the requirements relating to the
             ---------------
administration of stock option plans under U.S. state corporate laws, U.S.
federal and state securities laws, the Code, any stock exchange or quotation
system on which the Common Stock is listed or quoted and the applicable laws of
any foreign country or jurisdiction where Options or Stock Purchase Rights are
granted under the Plan.

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

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

        (f) "Committee" means a committee appointed by the Board in accordance
             ---------
with Section 4 hereof.

        (g) "Common Stock" means the Class B Common Stock of the Company, par
             ------------
value $0.001 per share.

        (h) "Company" means StarGuide Digital Networks, Inc., a Nevada
             -------
corporation.

        (i) "Consultant" means any consultant or adviser if: (i) the consultant
or adviser renders bona fide services to the Company; (ii) the services rendered
by the consultant or adviser are not in connection with the offer or sale of
securities in a capital-raising transaction and do not directly or indirectly
promote or maintain a market for the Company's securities. and (iii) the
consultant or adviser is a natural person who has contracted directly with the
Company to render such services.

                              Exhibit 4.4 - Page 1
<PAGE>

     (j)  "Director" means a member of the Board.
           --------

     (k)  "Employee" means any person, including an Officer or Director, who is
           --------
an employee (as defined in accordance with Section 3401 (c) of the Code) of the
Company or any Parent or Subsidiary of the Company. A Service Provider shall not
cease to be an Employee in the case of (i) any leave of absence approved by the
Company or (ii) transfers between locations of the Company or between the
Company, its Parent, any Subsidiary, or any successor. For purposes of Incentive
Stock Options, no such leave may exceed ninety (90) days, unless reemployment
upon expiration of such leave is guaranteed by statute or contract. Neither
service as a Director nor payment of a director's fee by the Company shall be
sufficient, by itself, to constitute "employment" by the Company.

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

     (m)  "Fair Market Value" means, as of any date, the value of a share of
           -----------------
Common Stock determined as follows:

          (i)  If the Common Stock is listed on any established stock exchange
or a national market system, including, without limitation, the Nasdaq National
Market or The Nasdaq SmallCap Market of The Nasdaq Stock Market, its Fair Market
Value shall be the closing sales price for a share of such stock (or the closing
bid, if no sales were reported) as quoted on such exchange or system for the
last market trading day prior to the time of determination, as reported in The
Wall Street Journal or such other source as the Administrator deems reliable;

          (ii) If the Common Stock is regularly quoted by a recognized
securities dealer but selling prices are not reported, its Fair Market Value
shall be the mean between the high bid and low asked prices for a share of the
Common Stock on the last market trading day prior to the day of determination;
or

          (iii)In the absence of an established market for the Common Stock,
the Fair Market Value thereof shall be determined in good faith by the
Administrator.

     (n)  "Holder" means a person who has been granted or awarded an Option or
           ------
Stock Purchase Right or who holds Shares acquired pursuant to the exercise of an
Option or Stock Purchase Right.

     (o)  "Incentive Stock Option" means an Option intended to qualify as an
           ----------------------
incentive stock option within the meaning of Section 422 of the Code and which
is designated as an Incentive Stock Option by the Administrator.

     (p)  "Independent Director" means a Director who is not an Employee of the
           --------------------
Company.

     (q)  "Non-Qualified Stock Option" means an Option (or portion thereof that
           --------------------------
is not designated as an Incentive Stock Option by the Administrator, or which is
designated as an Incentive Stock Option by the Administrator but fails to
qualify as an incentive stock option within the meaning of Section 422 of the
Code.

                              Exhibit 4.4 - Page 2
<PAGE>

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

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

     (t)  "Option Agreement" means a written agreement between the Company and a
           ----------------
Holder evidencing the terms and conditions of an individual Option grant. The
Option Agreement is subject to the terms and conditions of the Plan.

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

     (v)  "Plan" means the StarGuide Digital Networks, Inc. 2000 Equity
           ----
Incentive Plan.

     (w)  "Public Trading Date" means the first date upon which Common Stock of
           -------------------
the Company is listed (or approved for listing) upon notice of issuance on any
securities exchange or designated (or approved for designation) upon notice of
issuance as a national market security on an interdealer quotation system.

     (x)  "Restricted Stock" means Shares acquired pursuant to the exercise of
           ----------------
an unvested Option in accordance with Section 10(h) below or pursuant to a Stock
Purchase Right granted under Section 12 below.

     (y)  "Rule 16b-3)" means that certain Rule 16b-3 under the Exchange Act, as
           -----------
such Rule may be amended from time to time.

     (z)  "Section 16(b)" means Section 16(b) of the Exchange Act.
           -------------

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

     (bb) "Service Provider" means an Employee, Director or Consultant.
           ----------------

     (cc) "Share" means a share of Common Stock, as adjusted in accordance with
           -----
Section 13 below.

     (dd) "Stock Purchase Right" means a right to purchase Common Stock pursuant
           --------------------
to Section 12 below.

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

  3.  Stock Subject to the Plan.  Subject to the provisions of Section 13 of the
      -------------------------
Plan, the shares of stock subject to Options or Stock Purchase Rights shall be
Common Stock, initially shares of the Company's Class B Common Stock, par value
$0.001 per share.  Subject to the provisions of Section 13 of the Plan, the
maximum aggregate number of Shares which may be issued upon exercise of such
Options or Stock Purchase Rights is 3,000.000 Shares.  Shares

                              Exhibit 4.4 - Page 3
<PAGE>

issued upon exercise of Options or Stock Purchase Rights may be authorized but
unissued, or reacquired Shares. If an Option or Stock Purchase Right expires or
becomes unexercisable without having been exercised in full, the unpurchased
Shares which are subject thereto shall become available for future grant or sale
under the Plan (unless the Plan has terminated). Shares which are delivered by
the Holder or withheld by the Company upon the exercise of an Option or Stock
Purchase Right under the Plan, in payment of the exercise price thereof or tax
withholding thereon, may again be optioned, granted or awarded hereunder,
subject to the limitations of this Section 3. If Shares of Restricted Stock are
repurchased by the Company at their original purchase price, such Shares shall
become available for future grant under the Plan. Notwithstanding the provisions
of this Section 3, no Shares may again be optioned, granted or awarded if such
action would cause an Incentive Stock Option to fail to qualify as an Incentive
Stock Option under Code Section 422.

  4.  Administration of the Plan.
      --------------------------

      (a) Administrator. Unless and until the Board delegates administration to
          -------------
a Committee as set forth below, the Plan shall be administered by the Board. The
Board may delegate administration of the Plan to a Committee or Committees of
one or more members of the Board, and the term "Committee" shall apply to any
person or persons to whom such authority has been delegated. If administration
is delegated to a Committee, the Committee shall have, in connection with the
administration of the Plan, the powers theretofore possessed by the Board,
including the power to delegate to a subcommittee any of the administrative
powers the Committee is authorized to exercise (and references in this Plan to
the Board shall thereafter be to the Committee or subcommittee). subject,
however, to such resolutions, not inconsistent with the provisions of the Plan,
as may be adopted from time to time by the Board. Notwithstanding the foregoing,
however, from and after the Public Trading Date, a Committee of the Board shall
administer the Plan and the Committee shall consist solely of two or more
Independent Directors each of whom is both an "outside director," within the
meaning of Section 162(m) of the Code, and a "non-employee director" within the
meaning of Rule 16b-3. Within the scope of such authority, the Board or the
Committee may (i) delegate to a committee of one or more members of the Board
who are not Independent Directors the authority to grant awards under the Plan
to eligible persons who are either (A) not then "covered employees," within the
meaning of Section 162(m) of the Code and are not expected to be "covered
employees" at the time of recognition of income resulting from such award or (B)
not persons with respect to whom the Company wishes to comply with Section
162(m) of the Code and/or (ii) delegate to a committee of one or more members of
the Board who are not "non-employee directors," within the meaning of Rule 16b-
3, the authority to grant awards under the Plan to eligible persons who are not
then subject to Section 16 of the Exchange Act. The Board may abolish the
Committee at any time and revest in the Board the administration of the Plan.
Appointment of Committee members shall be effective upon acceptance of
appointment. Committee members may resign at any time by delivering written
notice to the Board. Vacancies in the Committee may only be filled by the Board.

     (b) To the maximum extent permitted by Applicable Law, each member or
former member of the Board shall be indemnified and held harmless by the Company
against any cost or expense (including legal fees) or liability (including any
sum paid in settlement of a claim with the approval of the Board) arising out of
any act or omission to act in connection with

                              Exhibit 4.4 - Page 4
<PAGE>

the Plan, unless arising out of such member's or former member's own fraud or
bad faith. Such indemnification shall be in addition to any rights of
indemnification the members or former members may have as directors or under the
by-laws of the Company.

     (c) Powers of the Administrator. Subject to the provisions of the Plan and
         ---------------------------
the specific duties delegated by the Board to such Committee, and subject to the
approval of any relevant authorities, the Administrator shall have the authority
in its discretion to:

          (i)   Determine the Fair Market Value;

          (ii)  Select the Service Providers to whom Options and Stock Purchase
Rights may from time to time be granted hereunder;

          (iii) Determine the number of Shares to be covered by each such award
granted hereunder;

          (iv)  Approve forms of agreement for use under the Plan;

          (v)   Determine the terms and conditions of any Option or Stock
Purchase Right granted hereunder (such terms and conditions include, but are not
limited to, the exercise price, the time or times when Options or Stock Purchase
Rights may vest or be exercised (which may be based on performance criteria),
any vesting acceleration or waiver of forfeiture restrictions, and any
restriction or limitation regarding any Option or Stock Purchase Right or the
Common Stock relating thereto, based in each case on such factors as the
Administrator, in its sole discretion, shall determine);

          (vi)  Determine whether to offer to buyout a previously granted Option
as provided in subsection 10(i) and to determine the terms and conditions of
such offer and buyout (including whether payment is to be made in cash or
Shares);

          (vii) Prescribe, amend and rescind rules and regulations relating to
the Plan. including rules and regulations relating to sub-plans established for
the purpose of qualifying for preferred tax treatment under foreign tax laws;

          (viii)Allow Holders to satisfy withholding tax obligations by
electing to have the Company withhold from the Shares to be issued upon exercise
of an Option or Stock Purchase Right that number of Shares having a Fair Market
Value equal to the minimum amount required to be withheld based on the statutory
withholding rates for federal and state tax purposes that apply to supplemental
taxable income. The Fair Market Value of the Shares to be withheld shall be
determined on the date that the amount of tax to be withheld is to be
determined. All elections by Holders to have Shares withheld for this purpose
shall be made in such form and under such conditions as the Administrator may
deem necessary or advisable;

          (ix)  Amend the Plan or any Option or Stock Purchase Right granted
under the Plan as provided in Section 15; and

          (x)   Construe and interpret the terms of the Plan and awards granted
pursuant to the Plan and to exercise such powers and perform such acts as the
Administrator

                              Exhibit 4.4 - Page 5
<PAGE>

deems necessary or desirable to promote the best interests of the Company which
are not in conflict with the provisions of the Plan.

      (d) Effect of Administrator's Decision. All decisions, determinations and
          ----------------------------------
interpretations of the Administrator shall be final and binding on all
Holders.

  5.  Eligibility.  Non-Qualified Stock Options and Stock Purchase Rights may be
      -----------
granted to Service Providers.  Incentive Stock Options may be granted only to
Employees.  If otherwise eligible, an Employee or Consultant who has been
granted an Option or Stock Purchase Right may be granted additional Options or
Stock Purchase Rights.

  6.  Limitations.
      -----------

      (a) Each Option shall be designated by the Administrator in the Option
Agreement as either an Incentive Stock Option or a Non-Qualified Stock Option.
However, notwithstanding such designations, to the extent that the aggregate
Fair Market Value of Shares subject to a Holder's Incentive Stock Options and
other incentive stock options granted by the Company, any Parent or Subsidiary.
which become exercisable for the first time during any calendar ),ear (under all
plans of the Company or any Parent or Subsidiary) exceeds $100,000, such excess
Options or other options shall be treated as Non-Qualified Stock Options. For
purposes of this Section 6(a). Incentive Stock Options shall be taken into
account in the order in which they were granted, and the Fair Market Value of
the Shares shall be determined as of the time of grant.

      (b) Neither the Plan, any Option nor any Stock Purchase Right shall confer
upon a Holder any right with respect to continuing the Holder's employment or
consulting relationship with the Company, nor shall they interfere in any way
with the Holder's right or the Company's right to terminate such employment or
consulting relationship at any time, with or without cause.

      (c) No Service Provider shall be granted, in any calendar year, Options or
Stock Purchase Rights to purchase more than 3,000,000 Shares; provided, however,
that the foregoing limitation shall not apply prior to the Public Trading Date
and. following the Public Trading Date, the foregoing limitation shall not apply
until the earliest of: (i) the first material modification of the Plan
(including an), increase in the number of shares reserved for issuance under the
Plan in accordance with Section 3); (ii) the issuance of all of the shares of
Common Stock reserved for issuance under the Plan; (iii) the expiration of the
Plan; (iv) the first meeting of stockholders at which Directors of the Company
are to be elected that occurs after the close of the third calendar year
following the calendar year in which occurred the first registration of an
equity security of the Company under Section 12 of the Exchange Act; or (v) such
other date required by Section 162(m) of the Code and the rules and regulations
promulgated thereunder. The foregoing limitation shall be adjusted
proportionately in connection with any change in the Company's capitalization as
described in Section 13. For purposes of this Section 6(c), if an Option is
canceled in the same calendar year it was granted (other than in connection with
a transaction described in Section 13), the canceled Option will be counted
against the limit set forth in this Section 6(c). For this purpose, if the
exercise price of an Option is reduced, the transaction shall be treated as a
cancellation of the Option and the grant of a new Option.

                              Exhibit 4.4 - Page 6
<PAGE>

  7. Term of Plan. The Plan shall become effective upon its initial adoption by
     ------------
the Board and shall continue in effect until it is terminated under Section 15
of the Plan. No Options or Stock Purchase Rights may be issued under the Plan
after the tenth (10th) anniversary of the earlier of (a) the date upon which the
Plan is adopted by the Board or (b) the date the Plan is approved by the
stockholders.

  8. Term of Option.  The term of each Option shall be stated in the Option
     --------------
Agreement; provided however, that the term shall be no more than ten (10) years
from the date of grant thereof.  In the case of an Incentive Stock Option
granted to a Holder who, at the time the Option is granted, owns (or is treated
as owner under Code Section 424) stock representing more than ten percent (10%)
of the voting power of all classes of stock of the Company or any Parent or
Subsidiary, the term of the Option shall be five (5) years from the date of
grant or such shorter term as may be provided in the Option Agreement.

  9. Option Exercise Price and Consideration.
     ---------------------------------------

      (a) The per share exercise price for the Shares to be issued upon exercise
of an Option shall be such price as is determined by the Administrator,
provided, that in the case of all Incentive Stock Option (i) granted to an
Employee who, at the time of grant of such Option, owns (or is treated as owning
under Code Section 424) 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 one hundred ten percent
(110%) of the Fair Market Value per Share on the date of grant, and (ii) granted
to any other Employee, the per Share exercise price shall be no less than one
hundred percent (100%) of the Fair Market Value per Share on the date of grant.
Notwithstanding the foregoing subsections (i) and (ii), Options may be granted
with a per Share exercise price other than as required above pursuant to a
merger or other corporate transaction.

     (b) The consideration to be paid for the Shares to be issued upon exercise
of an Option, including the method of payment shall be determined by the
Administrator (and, in the case of an Incentive Stock Option. shall be
determined at the time of grant). Such consideration may consist of (i) cash,
(ii) check, (iii) with the consent of the Administrator, a full recourse
promissory note bearing interest (at no less than such rate as shall then
preclude the imputation of interest under the Code) and payable upon such terms
as may be prescribed by the Administrator, (iv) with the consent of the
Administrator, other Shares which (A) in the case of Shares acquired from the
Company, have been owned by the Holder for more than six (6) months on the date
of surrender, and (B) have a Fair Market Value on the date of surrender equal to
the aggregate exercise price of the Shares as to which such Option shall be
exercised, (v) with the consent of the Administrator, surrendered Shares then
issuable upon exercise of the Option having a Fair Market Value on the date of
exercise equal to the aggregate exercise price of the Option or exercised
portion thereof, (vi) property of any kind which constitutes good and valuable
consideration, (vii) with the consent of the Administrator, delivery of a notice
that the Holder has placed a market sell order with a broker with respect to
Shares then issuable upon exercise of the Options and that the broker has been
directed to pay a sufficient portion of the net proceeds of the sale to the
Company in satisfaction of the Option exercise price, provided, that payment of
such proceeds is then made to the Company upon settlement of such sale, or
(viii) with the consent of the Administrator, any combination of the foregoing
methods of payment.

                              Exhibit 4.4 - Page 7
<PAGE>

  10.  Exercise of Option.
       ------------------

       (a) Vesting; Fractional Exercises. Options granted hereunder shall be
           -----------------------------
vested and exercisable according to the terms hereof at such times and under
such conditions as determined by the Administrator and set forth in the Option
Agreement. An Option may not be exercised for a fraction of a Share.

       (b) Deliveries upon Exercise. All or a portion of an exercisable Option
           ------------------------
shall be deemed exercised upon delivery of all of the following to the Secretary
of the Company or his or her office:

           (i)  A written or electronic notice complying with the applicable
rules established by the Administrator stating that the Option, or a portion
thereof, is exercised. The notice shall be signed by the Holder or other person
then entitled to exercise the Option or such portion of the Option;

           (ii) Such representations and documents as the Administrator, in its
absolute discretion, deems necessary or advisable to effect compliance with
Applicable Laws. The Administrator may, in its absolute discretion, also take
whatever additional actions it deems appropriate to effect such compliance,
including, without limitation, placing legends on share certificates and issuing
stop transfer notices to agents and registrars;

           (iii)Upon the exercise of all or a portion of an unvested Option
pursuant to Section 10(h), a Restricted Stock purchase agreement in a form
determined by the Administrator and signed by the Holder or other person then
entitled to exercise the Option or such portion of the Option; and

           (iv) In the event that the Option shall be exercised pursuant to
Section 10(f) by any person or persons other than the Holder, appropriate proof
of the right of such person or persons to exercise the Option.

       (c) Conditions to Delivery of Share Certificates. The Company shall not
           --------------------------------------------
be required to issue or deliver any certificate or certificates for Shares
purchased upon the exercise of any Option or portion thereof prior to
fulfillment of all of the following conditions:

           (i)  The admission of such Shares to listing on all stock exchanges
on which such class of stock is then listed.

           (ii) The completion of any registration or other qualification of
such Shares under any state or federal law, or under the rulings or regulations
of the Securities and Exchange Commission or any other governmental regulatory
body which the Administrator shall, in its absolute discretion, deem necessary
or advisable;

           (iii)The obtaining of any approval or other clearance from any state
or federal governmental agency which the Administrator shall, in its absolute
discretion, determine to be necessary or advisable;

                              Exhibit 4.4 - Page 8
<PAGE>

                 (iv)    The lapse of such reasonable period of time following
the exercise of the Option as the Administrator may establish from time to time
for reasons of administrative convenience; and

                 (v)     The receipt by the Company, of full payment for such
Shares, including payment of any applicable withholding tax, which in the
discretion of the Administrator may be in the form of consideration used by the
Holder to pay for such Shares under Section 9(b).

          (d)    Termination of Relationship as a Service Provider. If a Holder
                 -------------------------------------------------
ceases to be a Service Provider other than by reason of the Holder's disability
or death, such Holder may exercise his or her Option within such period of time
as is specified in the Option Agreement to the extent that the Option is vested
on the date of termination (but in no event later than the expiration of the
term of the Option as set forth in the Option Agreement). In the absence of a
specified time in the Option Agreement, the Option shall remain exercisable for
three (3) months following the Holder's termination. If, on the date of
termination, the Holder is not vested as to his or her entire Option, the Shares
covered by the unvested portion of the Option immediately cease to be issuable
under the Option and shall again become available for issuance under the Plan.
If, after termination, the Holder does not exercise his or her Option within the
time period specified herein, the Option shall terminate, and the Shares covered
by such Option shall again become available for issuance under the Plan.

          (e)    Disability of Holder. If a Holder ceases to be a Service
                 --------------------
Provider as a result of the Holder's disability, the Holder may exercise his or
her Option within such period of time as is specified in the Option Agreement to
the extent the Option is vested on the date of termination (but in no event
later than the expiration of the term of such Option as set forth in the Option
Agreement). In the absence of a specified time in the Option Agreement, the
Option shall remain exercisable for twelve (12) months following the Holder's
termination. If such disability is not a "disability" as such term is defined in
Section 22(e)(3) of the Code, in the case of an Incentive Stock Option such
Incentive Stock Option shall automatically cease to be treated as an Incentive
Stock Option and shall be treated for tax purposes as a Non-Qualified Stock
Option from and after the day which is three (3) months and one (1) day
following such termination. If, on the date of termination, the Holder is not
vested as to his or her entire Option, the Shares covered by the unvested
portion of the Option shall immediately cease to be issuable under the Option
and shall again become available for issuance under the Plan. If, after
termination, the Holder does not exercise his or her Option within the time
specified herein, the Option shall terminate, and the Shares covered by such
Option shall again become available for issuance under the Plan.

          (f)    Death of Holder. If a Holder dies while a Service Provider, the
                 ---------------
Option may be exercised within such period of time as is specified in the Option
Agreement (but in no event later than the expiration of the term of the Option
as set forth in the Option Agreement), by the Holder's estate or by a person who
acquires the right to exercise the Option by bequest or inheritance, but only to
the extent that the Option is vested on the date of death. In the absence of a
specified time in the Option Agreement, the Option shall remain exercisable for
twelve (12) months following the Holder's termination. If, at the time of death,
the Holder is not vested as to his or her entire Option, the Shares covered by
the unvested portion of the Option shall

                               Exhibit 4.4-Page 9
<PAGE>

immediately cease to be issuable under the Option and shall again become
available for issuance under the Plan. The Option may be exercised by the
executor or administrator of the Holder's if none, by the person(s) entitled to
exercise the Option under the Holder's will or the estate or, laws of descent or
distribution. If the Option is not so exercised within the time specified
herein, the Option shall terminate, and the Shares covered by such Option shall
again become available for issuance under the Plan.

            (g)    Regulatory Extension. A Holder's Option Agreement may provide
                   --------------------
that if the exercise of the Option following the termination of the Holder's
status as a Service Provider (other than upon the Holder's death or Disability)
would be prohibited at any time solely because the issuance of shares would
violate the registration requirements under the Securities Act, then the Option
shall terminate on the earlier of (i) the expiration of the term of the Option
set forth in Section 8 or (ii) the expiration of a period of three (3) months
after the termination of the Holder's status as a Service Provider during which
the exercise of the Option would not be in violation of such registration
requirements.

            (h)    Early Exercisability. The Administrator may provide in the
                   --------------------
terms of a Holder's Option Agreement that the Holder may, at any time before the
Holder's status as a Service Provider terminates, exercise the Option in whole
or in part prior to the full vesting of the Option; provided however, that
subject to Section 20, Shares acquired upon exercise of an Option which has not
fully vested may be subject to any forfeiture, transfer or other restrictions as
the Administrator may determine in its sole discretion.

            (i)    Buyout Provisions. The Administrator may at any time offer to
                   -----------------
buyout for a payment in cash or Shares, an Option previously granted, based on
such terms and conditions as the Administrator shall establish and communicate
to the Holder at the time that such offer is made.

     11.    Non-Transferability of Options and Stock Purchase Rights.  Except as
            --------------------------------------------------------
otherwise provided in this Section 11, Options and Stock Purchase Rights may not
be sold, pledged, assigned, hypothecated, transferred, or disposed of in any
manner other than by will or by the laws of descent or distribution and may be
exercised, during the lifetime of the Holder, only by the Holder.
Notwithstanding the foregoing sentence, the Administrator, in its sole
discretion, may determine to permit a Holder to transfer a Non-Qualified Stock
Option to any one or more Permitted Transferees (as defined below), subject to
the following terms and conditions: (i) a Non-Qualified Stock Option transferred
to a Permitted Transferee shall not be assignable or transferable by the
Permitted Transferee other than by will or the laws of descent and distribution;
(ii) any Non-Qualified Stock Option which is transferred to a Permitted
Transferee shall continue to be subject to all the terms and conditions of the
Non-Qualified Stock Option as applicable to the original Holder (other than the
ability to further transfer the Non-Qualified Stock Option); and (iii) the
Holder and the Permitted Transferee shall execute any and all documents
requested by the Administrator, including, without limitation documents to (A)
confirm the status of the transferee as a Permitted Transferee, (B) satisfy any
requirements for an exemption for the transfer under applicable federal and
state securities laws and (C) evidence the transfer.  For purposes of this
Section 11.1(b), "Permitted Transferee" shall mean, with respect to a Holder,
any child, stepchild, grandchild, parent, stepparent, grandparent, spouse,
former spouse, sibling, niece, nephew, mother-in-law, father-in-law, son-in-law,
daughter-in-law,

                              Exhibit 4.4-Page 10
<PAGE>

brother-in-law, or sister-in-law, including adoptive relationships, any person
sharing the Holder's household (other than a tenant or employee), a trust in
which these persons have more than fifty percent of the beneficial interest, a
foundation in which these persons (or the Holder) control the management of
assets, and any other entity in which these persons (or the Holder) own more
than fifty percent of the voting interests, or any other transferee specifically
approved by the Committee after taking into account any state or federal tax or
securities laws applicable to transferable Non-Qualified Stock Options.

     12.    Stock Purchase Rights.
            ---------------------

            (a)    Rights to Purchase. Stock Purchase Rights may be issued
                   ------------------
either alone, in addition to, or in tandem with Options granted under the Plan
and/or cash awards made outside of the Plan. After the Administrator determines
that it will offer Stock Purchase Rights under the Plan, it shall advise the
offeree in writing of the terms, conditions and restrictions related to the
offer, including the number of Shares that such person shall be entitled to
purchase, the price to be paid, and the time within which such person must
accept such offer. The offer shall be accepted by execution of a Restricted
Stock purchase agreement in the form determined by the Administrator.

            (b)    Repurchase Right. Unless the Administrator determines
                   ----------------
otherwise, the Restricted Stock purchase agreement shall grant the Company the
right to repurchase Shares acquired upon exercise of a Stock Purchase Right upon
the termination of the purchaser's status as a Service Provider for any reason.
Subject to Section 20, the purchase price for Shares repurchased by the Company
pursuant to such repurchase right and the rate at with such repurchase right
shall lapse shall be determined by the Administrator in its sole discretion, and
shall be set forth in the Restricted Stock purchase agreement.

            (c)    Other Provisions. The Restricted Stock purchase agreement
                   ----------------
shall contain such other terms, provisions and conditions not inconsistent with
the Plan as may be determined by the Administrator in its sole discretion.

            (d)    Rights as a Shareholder. Once the Stock Purchase Right is
                   -----------------------
exercised, the purchaser shall have rights equivalent to those of a shareholder
and shall be a shareholder when his or her purchase is entered upon the records
of the duly authorized transfer agent of the Company. No adjustment shall be
made for a dividend or other right for which the record date is prior to the
date the Stock Purchase Right is exercised, except as provided in Section 13 of
the Plan.

     13.    Adjustments upon Changes in Capitalization, Merger or Asset Sale.
            ----------------------------------------------------------------

            (a)    In the event that the Administrator determines that any
dividend or other distribution (whether in the form of cash, Common Stock, other
securities. or other property), recapitalization, reclassification, stock split,
reverse stock split, reorganization, merger, consolidation, split-up. split-off,
combination, repurchase, liquidation, dissolution, or sale, transfer, exchange
or other disposition of all or substantially all of the assets of the Company,
or exchange of Common Stock or other securities of the Company, issuance of
warrants or other rights to purchase Common Stock or other securities of the
Company, or other similar corporate

                              Exhibit 4.4-Page 11
<PAGE>

transaction or event, in the Administrator's sole discretion, affects the Common
Stock such that an adjustment is determined by the Administrator to be
appropriate in order to prevent dilution or enlargement of the benefits or
potential benefits intended to be made available under the Plan or with respect
to any Option, Stock Purchase Right or Restricted Stock, then the Administrator
shall, in such manner as it may deem equitable, adjust any or all of:

                 (i)    The number and kind of shares of Common Stock (or other
securities or property) with respect to which Options or Stock Purchase Rights
may be granted or awarded (including, but not limited to, adjustments of the
limitations in Section 3 on the maximum number and kind of shares which may be
issued and adjustments of the maximum number of Shares that may be purchased by
any Holder in any calendar year pursuant to Section 6(c));

                 (ii)   The number and kind of shares of Common Stock (or other
securities or property) subject to outstanding Options, Stock Purchase Rights or
Restricted Stock; and

                 (iii)  The grant or exercise price with respect to any Option
or Stock Purchase Right.

          (b)    In the event of any transaction or event described in Section
13(a), the Administrator, in its sole and absolute discretion, and on such terms
and conditions as it deems appropriate, either by the terms of the Option, Stock
Purchase Right or Restricted Stock or by action taken prior to the occurrence of
such transaction or event and either automatically or upon the Holder's request,
is hereby authorized to take any one or more of the following actions whenever
the Administrator determines that such action is appropriate in order to prevent
dilution or enlargement of the benefits or potential benefits intended to be
made available under the Plan or with respect to any Option, Stock Purchase
Right or Restricted Stock granted or issued under the Plan or to facilitate such
transaction or event:

                 (i)    To provide for either the purchase of any such Option,
Stock Purchase Right or Restricted Stock for an amount of cash equal to the
amount that could have been obtained upon the exercise of such Option or Stock
Purchase Right or realization of the Holder's rights had such Option, Stock
Purchase Right or Restricted Stock been currently exercisable or payable or
fully vested or the replacement of such Option, Stock Purchase Right or
Restricted Stock with other rights or property selected by the Administrator in
its sole discretion;

                 (ii)   To provide that such Option or Stock Purchase Right
shall be exercisable as to all shares covered thereby, notwithstanding anything
to the contrary in the Plan or the provisions of such Option or Stock Purchase
Right:

                 (iii)  To provide that such Option, Stock Purchase Right or
Restricted Stock be assumed by the successor or survivor corporation, or a
parent or subsidiary thereof, or shall be substituted for by similar options,
rights or awards covering the stock of the successor or survivor corporation, or
a parent or subsidiary thereof, with appropriate adjustments as to the number
and kind of shares and prices;

                              Exhibit 4.4-Page 12
<PAGE>

                 (iv)   To make adjustments in the number and type of shares of
Common Stock (or other securities or property subject to outstanding Options and
Stock Purchase Rights, and/or in the terms and conditions of (including the
grant or exercise price), and the criteria included in, outstanding Options,
Stock Purchase Rights or Restricted Stock or Options, Stock Purchase Rights or
Restricted Stock which may be granted in the future; and

                 (v)    To provide that immediately upon the consummation of
such event, such Option or Stock Purchase Right shall not be exercisable and
shall terminate; provided, that for a specified period of time prior to such
event, such Option or Stock Purchase Right shall be exercisable as to all Shares
covered thereby, and the restrictions imposed under an Option Agreement or
Restricted Stock purchase agreement upon some or all Shares may be terminated
and, in the case of Restricted Stock, some or all shares of such Restricted
Stock may cease to be subject to repurchase, notwithstanding anything to the
contrary in the Plan or the provisions of such Option, Stock Purchase Right or
Restricted Stock purchase agreement.

          (c)    Subject to Section 3, the Administrator may, in its discretion,
include such further provisions and limitations in any Option, Stock Purchase
Right, Restricted Stock agreement or certificate, as it may deem equitable and
in the best interests of the Company.

          (d)    If the Company undergoes an Acquisition, then any surviving
corporation or entity or acquiring corporation or entity, or affiliate of such
corporation or entity, may assume any Options, Stock Purchase Rights or
Restricted Stock outstanding under the Plan or may substitute similar stock
awards (including an award to acquire the same consideration paid to the
stockholders in the transaction described in this subsection 13(d) for those
outstanding under the Plan. In the event any surviving corporation or entity or
acquiring corporation or entity in an Acquisition does not assume such Options,
Stock Purchase Rights or Restricted Stock or does not substitute similar stock
awards for those outstanding under the Plan, then with respect to (i) Options,
Stock Purchase Rights or Restricted Stock held by participants in the Plan whose
status as a Service Provider has not terminated prior to such event, the vesting
of such Options, Stock Purchase Rights or Restricted Stock (and, if applicable.
the time during which such awards may be exercised) shall be accelerated and
made fully exercisable and all restrictions thereon shall lapse at least ten
(10) days prior to the closing of the Acquisition (and the Options or Stock
Purchase Rights terminated if not exercised prior to the closing of such
Acquisition), and (ii) any other Options or Stock Purchase Rights outstanding
under the Plan, such Options or Stock Purchase rights shall be terminated if not
exercised prior to the closing of the Acquisition.

          (e)    Notwithstanding the foregoing, in the event that the Company
becomes a party to a transaction that is intended to qualify for "pooling of
interests" accounting treatment and, but for one or more of the provisions of
this Plan or any Option Agreement or any Restricted Stock purchase agreement
would so quality, then this Plan and any such agreement shall be interpreted so
as to preserve such accounting treatment, and to the extent that any provision
of the Plan or any such agreement would disqualify the transaction from pooling
of interests accounting treatment (including, if applicable, an entire Option
Agreement or Restricted Stock purchase agreement), then such provision shall be
null and void. All determinations to be made in connection with the preceding
sentence shall be made by the independent accounting firm whose opinion with
respect to "pooling of interests" treatment is required as a condition to the
Company's consummation of such transaction.

                              Exhibit 4.4-Page 13
<PAGE>

           (f)    The existence of the Plan, any Option Agreement or Restricted
Stock purchase agreement and the Options or Stock Purchase Rights granted
hereunder shall not affect or restrict in any way the right or power of the
Company or the stockholders of the Company to make or authorize any adjustment,
recapitalization, reorganization or other change in the Company's capital
structure or its business, any merger or consolidation of the Company, any issue
of stock or of options, warrants or rights to purchase stock or of bonds,
debentures, preferred or prior preference stocks whose rights are superior to or
affect the Common Stock or the rights thereof or which are convertible into or
exchangeable for Common Stock, or the dissolution or liquidation of the Company,
or any sale or transfer of all or any part of its assets or business, or any
other corporate act or proceeding, whether of a similar character or otherwise.

     14.   Time of Granting Options and Stock Purchase Rights. The date of grant
           --------------------------------------------------
of an Option or Stock Purchase Right shall, for all purposes, be the date on
which the Administrator makes the determination granting such Option or Stock
Purchase Right, or such other date as is determined by the Administrator. Notice
of the determination shall be given to each Employee or Consultant to whom an
Option or Stock Purchase Right is so granted within a reasonable time after the
date of such grant.

     15.   Amendment and Termination of the Plan.
           -------------------------------------

           (a)    Amendment and Termination. The Board may at any time wholly or
                  -------------------------
partially amend, alter, suspend or terminate the Plan. However, without approval
of the Company's stockholders given within twelve (12) months before or after
the action by the Board, no action of the Board may, except as provided in
Section 13, increase the limits imposed in Section 3 on the maximum number of
Shares which may be issued under the Plan or extend the term of the Plan under
Section 7.

           (b)    Stockholder Approval. The Board shall obtain stockholder
                  --------------------
approval of any Plan amendment to the extent necessary and desirable to comply
with Applicable Laws.

           (c)    Effect of Amendment or Termination. No amendment, alteration,
                  ----------------------------------
suspension or termination of the Plan shall impair the rights of any Holder,
unless mutually agreed otherwise between the Holder and the Administrator, which
agreement must be in writing and signed by the Holder and the Company.
Termination of the Plan shall not affect the Administrator's ability to exercise
the powers granted to it hereunder with respect to Options, Stock Purchase
Rights or Restricted Stock granted or awarded under the Plan prior to the date
of such termination.

     16.   Stockholder Approval. The Plan will be submitted for the approval of
           --------------------
the Company's stockholders within twelve (12) months after the date of the
Board's initial adoption of the Plan. Options, Stock Purchase Rights or
Restricted Stock may be granted or awarded prior to such stockholder approval,
provided that such Options, Stock Purchase Rights and Restricted Stock shall not
be exercisable, shall not vest and the restrictions thereon shall not lapse
prior to the time when the Plan is approved by the stockholders, and provided
further that if such approval has not been obtained at the end of said twelve-
month period, all Options, Stock Purchase Rights and Restricted Stock previously
granted or awarded under the Plan shall thereupon be canceled and become null
and void.

                              Exhibit 4.4-Page 14
<PAGE>

     17.   Inability to Obtain Authority. 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.

     18.   Reservation of Shares. The Company, during the term of this Plan,
           ---------------------
shall at all times reserve and keep available such number of Shares as shall be
sufficient to satisfy the requirements of the Plan.

     19.   Information to Holders and Purchasers.  To the extent required by any
           --------------------------
Applicable Laws, the Company shall provide to each Holder and to each individual
who acquires Shares pursuant to the Plan, not less frequently than annually
during the period such Holder or purchaser has one or more Options or Stock
Purchase Rights outstanding, and, in the case of an individual who acquires
Shares pursuant to the Plan, during the period such individual owns such Shares,
copies of annual financial statements. Notwithstanding the preceding sentence,
the Company shall not be required to provide such statements to key employees
whose duties in connection with the Company assure their access to equivalent
information.

     20.   Repurchase Provisions. The Administrator in its discretion may
           ---------------------
provide that the Company may repurchase Shares acquired upon exercise of an
Option or Stock Purchase Right upon a Holder's termination as a Service
Provider, provided, that any such repurchase right shall be set forth in the
applicable Option Agreement or Restricted Stock purchase agreement or in another
agreement referred to in such agreement.

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

                              Exhibit 4.4-Page 15
<PAGE>

     22.   Governing Law. The validity and enforceability of this Plan shall be
           -------------
governed by and construed in accordance with the laws of the State of Nevada
without regard to otherwise governing principles of conflicts of law.

     23.   Stockholders Agreement. As a condition precedent to the award of any
           ----------------------
Option or Stock Purchase Right under the Plan, or the exercise or delivery of
certificates for shares issued pursuant thereto, the Administrator may require
any Holder (or the Holder's successor, as applicable) to enter into or become a
party to a Stockholders Agreement or a Voting Trust Agreement in such form(s) as
the Administrator may determine from time to time.

                              Exhibit 4.4-Page 16

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