Document:

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                                                                    EXHIBIT 10.4

                     DIGITAL BROADCAST NETWORK CORPORATION

                        1999 EXECUTIVE STOCK OPTION PLAN

          1.   Purposes of the Plan.  The purposes of this 1999 Executive Stock
               --------------------
Option Plan are to attract and retain the best available personnel for positions
of substantial responsibility, to provide sufficient incentive to key Employees
and Directors and to promote the long-term growth and success of the Company's
business.  Options granted under the Plan may be Incentive Stock Options or
Nonstatutory Stock Options, as determined by the Administrator at the time of
grant.

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

               (a)  "Administrator" means the Board or any of its Committees as
                     -------------
shall be administering the Plan in accordance with Section 4 hereof.

               (b)  "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 other country or jurisdiction where Options are granted under the Plan.

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

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

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

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

               (g)  "Company" means Digital Broadcast Network Corporation, a
                     -------
Missouri corporation.

               (h)  "Consultant" means any person who is engaged by the Company
                     ----------
or any Parent or Subsidiary to render consulting or advisory services to such
entity.

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

               (j)  "Employee" means any person, including officers and
                     --------
Directors, employed by 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 days,
unless reemployment upon expiration of such leave is guaranteed by statute or
contract. If reemployment upon expiration of a leave of absence approved by the
Company is not so guaranteed, then three (3) months following the 91st day of
such leave any Incentive Stock Option held by the Optionee
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shall cease to be treated as an Incentive Stock Option and shall be treated for
tax purposes as a Nonstatutory Stock Option. Neither service as a Director nor
payment of a director's fee by the Company shall be sufficient to constitute
"employment" by the Company.

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

          (l)  "Fair Market Value" means, as of any date, the value 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 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 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.

          (m)  "Incentive Stock Option" means an Option intended to qualify as
                ----------------------
an incentive stock option within the meaning of Section 422 of the Code.

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

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

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

          (q)  "Option Exchange Program" means a program whereby outstanding
                -----------------------
Options are exchanged for Options with a lower exercise price.

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

          (s)  "Optionee" means the holder of an outstanding Option granted
                --------
under the Plan.

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

          (u)  "Plan" means this 1999 Executive Stock Option Plan.
                ----

                                      -2-
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          (v)  "Service Provider" means an Employee, Director or Consultant.
                ----------------

          (w)  "Share" means a share of the Common Stock, as adjusted in
                -----
accordance with Section 11 below.

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

     3.   Stock Subject to the Plan.  Subject to the provisions of Section
          -------------------------
11 of the Plan, the maximum aggregate number of Shares that may be subject to
option and sold under the Plan is 720,000 Shares.  The Shares may be authorized
but unissued, or reacquired Common Stock.

          If an Option expires or becomes unexercisable without having been
exercised in full, or is surrendered pursuant to an Option Exchange Program, the
unpurchased Shares which were subject thereto shall become available for future
grant or sale under the Plan (unless the Plan has terminated).  However, Shares
that have actually been issued under the Plan, upon exercise of an Option shall
not be returned to the Plan and shall not become available for future
distribution under the Plan, except that if unvested Shares are repurchased by
the Company at their original purchase price, such Shares shall become available
for future grant under the Plan.

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

          (a)  The Plan shall be administered by the Board or a Committee
appointed by the Board, which Committee shall be constituted to comply with
Applicable Laws.

          (b)  Powers of the Administrator.  Subject to the provisions of the
               ---------------------------
Plan and, in the case of a Committee, 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:

               (i)  to determine the Fair Market Value;

              (ii)  to select the key Employees and Directors to whom Options
may from time to time be granted hereunder;

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

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

               (v)  to determine the terms and conditions of any Option granted
hereunder.  Such terms and conditions include, but are not limited to, the
exercise price, the time or times when Options may 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 of the
Common Stock relating thereto, based in each case on such factors as the
Administrator, in its sole discretion, shall determine;

                                      -3-
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              (vi)  to determine whether and under what circumstances an Option
may be settled in cash under subsection 9(e) instead of Common Stock;

             (vii)  to reduce the exercise price of any Option to the then
current Fair Market Value if the Fair Market Value of the Common Stock covered
by such Option has declined since the date the Option was granted;

            (viii)  to initiate an Option Exchange Program;

              (ix)  to 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 treatment under foreign
laws;

               (x)  to allow Optionees to satisfy withholding tax obligations by
electing to have the Company withhold from the Shares to be issued upon exercise
of an Option that number of Shares having a Fair Market Value equal to (or less
than) the minimum amount required to be withheld.  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 Optionees 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; and

              (xi)  to construe and interpret the terms of the Plan and awards
granted pursuant to the Plan.

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

     5.   Eligibility.
          -----------

          (a)  Nonstatutory Stock Options may be granted to key Employees and
Directors.  Incentive Stock Options may be granted only to key Employees.  Key
Employees and Directors who are eligible to receive awards under this Plan shall
not be eligible to receive awards under the Company's 1999 Equity Incentive
Plan.

          (b)  Each Option shall be designated in the Option Agreement as either
an Incentive Stock Option or a Nonstatutory Stock Option.  However,
notwithstanding such designation, to the extent that the aggregate Fair Market
Value of the Shares with respect to which Incentive Stock Options are
exercisable for the first time by the Optionee during any calendar year (under
all plans of the Company and any Parent or Subsidiary) exceeds $100,000, such
Options shall be treated as Nonstatutory Stock Options.  For purposes of this
Section 5(b), Incentive Stock Options shall be taken into account in the order
in which they were granted.  The Fair Market Value of the Shares shall be
determined as of the time the Option with respect to such Shares is granted.

          (c)  Neither the Plan nor any Option shall confer upon any Optionee
any right with respect to continuing the Optionee's relationship as a Service
Provider with the Company, nor shall it interfere in any way with his or her
right or the Company's right to terminate such relationship at any time, with or
without cause.

                                      -4-
<PAGE>

     6.   Term of Plan.  Subject to Section 17 of the Plan, the Plan shall
          ------------
become effective upon its adoption by the Board. It shall continue in effect for
a term of ten (10) years unless sooner terminated under Section 13 of the Plan.

     7.   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 an Optionee who, at the time the Option is granted, 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 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.

     8.   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,
but shall be subject to the following:

               (i)  In the case of an Incentive Stock Option

                    (A)  granted to an Employee who, at the time of grant of
such 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
exercise price shall be no less than 110% of the Fair Market Value per Share on
the date of grant.

                    (B)  granted to any other Employee, the per Share exercise
price shall be no less than 100% of the Fair Market Value per Share on the date
of grant.

              (ii)  In the case of a Nonstatutory Stock Option, the per Share
exercise price shall be determined by the Administrator.

             (iii)  Notwithstanding the foregoing, 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 (1) cash,
(2) check, (3) promissory note, (4) other Shares which (x) in the case of Shares
acquired upon exercise of an Option, have been owned by the Optionee for more
than six months on the date of surrender, and (y) 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, (5) consideration received by the Company
from a brokerage firm under a cashless exercise program approved by the Company
in connection with the Plan, or (6) any combination of the foregoing methods of
payment. In making its determination as to the type of consideration to accept,
the Administrator shall consider if acceptance of such consideration may be
reasonably expected to benefit the Company.

                                      -5-
<PAGE>

     9.   Exercise of Option.
          ------------------

          (a)  Procedure for Exercise; Rights as a Shareholder.  Any Option
               -----------------------------------------------
granted hereunder shall be 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.  Unless the Administrator provides otherwise, vesting
of Options granted hereunder shall be tolled during any unpaid leave of absence.
An Option may not be exercised for a fraction of a Share.

     An Option shall be deemed exercised when the Company receives: (i) written
or electronic notice of exercise (in accordance with the Option Agreement) from
the person entitled to exercise the Option, and (ii) full payment for the Shares
with respect to which the Option is exercised. Full payment may consist of any
consideration and method of payment authorized by the Administrator and
permitted by the Option Agreement and the Plan. Shares issued upon exercise of
an Option shall be issued in the name of the Optionee or, if requested by the
Optionee, in the name of the Optionee and his or her spouse. Until the Shares
are issued (as evidenced by the appropriate entry on the books of the Company or
of a duly authorized transfer agent of the Company), no right to vote or receive
dividends or any other rights as a shareholder shall exist with respect to the
Shares, notwithstanding the exercise of the Option. The Company shall issue (or
cause to be issued) such Shares promptly after the Option is exercised. No
adjustment will be made for a dividend or other right for which the record date
is prior to the date the Shares are issued, except as provided in Section 12 of
the Plan.

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

          (b)  Termination of Relationship as a Service Provider. If an Optionee
               -------------------------------------------------
ceases to be a Service Provider, such Optionee may exercise his or her Option
within such period of time as is specified in the Option Agreement (of at least
thirty (30) days) 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 Optionee's termination. If, on the date of termination, the
Optionee is not vested as to his or her entire Option, the Shares covered by the
unvested portion of the Option shall revert to the Plan. If, after termination,
the Optionee does not exercise his or her Option within the time specified by
the Administrator, the Option shall terminate, and the Shares covered by such
Option shall revert to the Plan.

          (c)  Disability of Optionee.  If an Optionee ceases to be a Service
               ----------------------
Provider as a result of the Optionee's total and permanent disability, as
defined in Section 22(e)(3) of the Code, the Optionee 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 Optionee's
termination. If, on the date of termination, the Optionee is not vested as to
his or her entire Option, the Shares covered by the unvested portion of the
Option shall revert to the

                                      -6-
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Plan. If, after termination, the Optionee does not exercise his or her Option
within the time specified herein, the Option shall terminate, and the Shares
covered by such Option shall revert to the Plan.

          (d)  Death of Optionee.  If an Optionee 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 such
Option as set forth in the Notice of Grant), by the Optionee'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 Optionee's termination. If, at
the time of death, the Optionee is not vested as to his or her entire Option,
the Shares covered by the unvested portion of the Option shall immediately
revert to the Plan. If the Option is not so exercised within the time specified
herein, the Option shall terminate, and the Shares covered by such Option shall
revert to the Plan.

          (e)  Buyout Provisions.  The Administrator may at any time offer to
               -----------------
buy out 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 Optionee at the time that such offer is made.

     10.  Limited-Transferability of Options.  Unless determined otherwise by
          ----------------------------------
the Administrator, Options 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
Optionee, only by the Optionee. If the Administrator makes an Option
transferable, such Option or Stock Purchase Right shall contain such additional
terms and conditions as the Administrator deems appropriate.

     11.  Adjustments Upon Changes in Capitalization, Merger or Asset Sale.
          ----------------------------------------------------------------

          (a)  Changes in Capitalization.  Subject to any required action by the
               -------------------------
shareholders of the Company, the number of shares of Common Stock covered by
each outstanding Option, and the number of shares of Common Stock which have
been authorized for issuance under the Plan but as to which no Options have yet
been granted or which have been returned to the Plan upon cancellation or
expiration of an 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, or any other increase or decrease in the
number of issued shares of Common Stock effected without receipt of
consideration by the Company. The conversion of any convertible securities of
the Company shall not be deemed to have been "effected without receipt of
consideration." Such adjustment shall be made by the Board, whose determination
in that respect shall be final, binding and conclusive. 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.

        (b)  Dissolution or Liquidation.  In the event of the proposed
             --------------------------
dissolution or liquidation of the Company, the Administrator shall notify each
Optionee as soon as practicable prior to the effective date of such proposed
transaction. The Administrator in its discretion may

                                      -7-
<PAGE>

provide for an Optionee to have the right to exercise his or her Option until
fifteen (15) days prior to such transaction as to all of the Optioned Stock
covered thereby, including Shares as to which the Option would not otherwise be
exercisable. In addition, the Administrator may provide that any Company
repurchase option applicable to any Shares purchased upon exercise of an Option
shall lapse as to all such Shares, provided the proposed dissolution or
liquidation takes place at the time and in the manner contemplated. To the
extent it has not been previously exercised, an Option will terminate
immediately prior to the consummation of such proposed action.

          (c)  Merger or Asset Sale.  In the event of a merger of the Company
               --------------------
with or into another corporation, or the sale of substantially all of the assets
of the Company, each outstanding Option shall be assumed or an equivalent option
or right substituted by the successor corporation or a Parent or Subsidiary of
the successor corporation.  In the event that the successor corporation refuses
to assume or substitute for the Option, the Optionee shall fully vest in and
have the right to exercise the Option as to all of the Optioned Stock, including
Shares as to which it would not otherwise be vested or exercisable.  If an
Option becomes fully vested and exercisable in lieu of assumption or
substitution in the event of a merger or sale of assets, the Administrator shall
notify the Optionee in writing or electronically that the Option shall be fully
exercisable for a period of fifteen (15) days from the date of such notice, and
the Option shall terminate upon the expiration of such period.  For the purposes
of this paragraph, the Option shall be considered assumed if, following the
merger or sale of assets, the option or right confers the right to purchase or
receive, for each Share of Optioned Stock subject to the Option immediately
prior to the merger or sale of assets, the consideration (whether stock, cash,
or other securities or property) received in the merger or sale of assets by
holders of Common Stock for each Share held on the effective date of the
transaction (and if holders were offered a choice of consideration, the type of
consideration chosen by the holders of a majority of the outstanding Shares);
provided, however, that if such consideration received in the merger or sale of
assets is not solely common stock of the successor corporation or its Parent,
the Administrator may, with the consent of the successor corporation, provide
for the consideration to be received upon the exercise of the Option, for each
Share of Optioned Stock subject to the Option, to be solely common stock of the
successor corporation or its Parent equal in fair market value to the per share
consideration received by holders of Common Stock in the merger or sale of
assets.

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

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

          (a)  Amendment and Termination.  The Board may at any time amend,
               -------------------------
alter, suspend or terminate the Plan.

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

                                      -8-
<PAGE>

          (c)  Effect of Amendment or Termination.  No amendment, alteration,
               ----------------------------------
suspension or termination of the Plan shall impair the rights of any Optionee,
unless mutually agreed otherwise between the Optionee and the Administrator,
which agreement must be in writing and signed by the Optionee 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 granted under the
Plan prior to the date of such termination.

     14.  Conditions Upon Issuance of Shares.
          ----------------------------------

          (a)  Legal Compliance.  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 shall comply with Applicable Laws and shall be further
subject to the approval of counsel for the Company with respect to such
compliance.

          (b)  Investment Representations.  As a condition to the exercise of an
               --------------------------
Option, the Administrator 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.

     15.  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.

     16.  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.

     17.  Shareholder Approval.  The Plan shall be subject to approval by the
          --------------------
shareholders of the Company within twelve (12) months after the date the Plan is
adopted. Such shareholder approval shall be obtained in the degree and manner
required under Applicable Laws.

                                      -9-
<PAGE>

                     DIGITAL BROADCAST NETWORK CORPORATION

                       1999 EXECUTIVE STOCK OPTION PLAN

                            STOCK OPTION AGREEMENT

     Unless otherwise defined herein, the terms defined in the 1999 Executive
Stock Option Plan shall have the same defined meanings in this Stock Option
Agreement.

     I.  NOTICE OF STOCK OPTION GRANT
         ----------------------------

         [Optionee's Name and Address]

     The undersigned Optionee has been granted an Option to purchase Common
Stock of the Company, subject to the terms and conditions of the Plan and this
Option Agreement, as follows:

     Date of Grant                         ________________________________

     Vesting Commencement Date             ________________________________

     Exercise Price per Share              $_______________________________

     Total Number of Shares Granted        ________________________________

     Total Exercise Price                  $_______________________________

     Type of Option:                       ___    Incentive Stock Option

                                           ___    Nonstatutory Stock Option

     Term/Expiration Date:                 ________________________________

     Vesting Schedule:
     ----------------

     This Option shall be exercisable, in whole or in part, according to the
following vesting schedule:

     12.5% of the Shares subject to the Option shall vest three months after the
Vesting Commencement Date, and 1/24 of the Shares subject to the Option shall
vest each month thereafter on the monthly anniversary date of the Vesting
Commencement Date, subject to Optionee's continuing to be a Service Provider on
such dates.
<PAGE>

     Termination Period:
     ------------------

     This Option shall be exercisable for three months after Optionee ceases to
be a Service Provider. Upon Optionee's death or Disability, this Option may be
exercised for one year after Optionee ceases to be a Service Provider. In no
event may Optionee exercise this Option after the Term/Expiration Date as
provided above.

     II.  AGREEMENT
          ---------

          1.   Grant of Option.  The Plan Administrator of the Company hereby
               ---------------
grants to the Optionee named in the Notice of Grant (the "Optionee"), an option
(the "Option") to purchase the number of Shares set forth in the Notice of
Grant, at the exercise price per Share set forth in the Notice of Grant (the
"Exercise Price"), and subject to the terms and conditions of the Plan, which is
incorporated herein by reference.  Subject to Section 13(c) of the Plan, in the
event of a conflict between the terms and conditions of the Plan and this Option
Agreement, the terms and conditions of the Plan shall prevail.

     If designated in the Notice of Grant as an Incentive Stock Option ("ISO"),
this Option is intended to qualify as an Incentive Stock Option as defined in
Section 422 of the Code.  Nevertheless, to the extent that it exceeds the
$100,000 rule of Code Section 422(d), this Option shall be treated as a
Nonstatutory Stock Option ("NSO").

          2.   Exercise of Option.
               ------------------

          (a)  Right to Exercise.  This Option shall be exercisable during its
               -----------------
term in accordance with the Vesting Schedule set out in the Notice of Grant and
with the applicable provisions of the Plan and this Option Agreement.

          (b)  Method of Exercise.  This Option shall be exercisable by delivery
               ------------------
of an exercise notice in the form attached as Exhibit A (the "Exercise Notice")
                                              ---------
which shall state the election to exercise the Option, the number of Shares with
respect to which the Option is being exercised, and such other representations
and agreements as may be required by the Company. The Exercise Notice shall be
accompanied by payment of the aggregate Exercise Price as to all Exercised
Shares. This Option shall be deemed to be exercised upon receipt by the Company
of such fully executed Exercise Notice accompanied by the aggregate Exercise
Price.

     No Shares shall be issued pursuant to the exercise of an Option unless such
issuance and such exercise complies with Applicable Laws. Assuming such
compliance, for income tax purposes the Shares shall be considered transferred
to the Optionee on the date on which the Option is exercised with respect to
such Shares.

                                      -2-
<PAGE>

          3.   Optionee's Representations.  In the event the Shares have not
               --------------------------
been registered under the Securities Act of 1933, as amended, at the time this
Option is exercised, the Optionee shall, if required by the Company,
concurrently with the exercise of all or any portion of this Option, deliver to
the Company his or her Investment Representation Statement in the form attached
hereto as Exhibit B and shall read the applicable rules of the Commissioner of
          ---------
Corporations attached to such Investment Representation Statement.

          4.   Lock-Up Period.  Optionee hereby agrees that, if so requested by
               --------------
the Company or any representative of the underwriters (the "Managing
Underwriter") in connection with any registration of the offering of any
securities of the Company under the Securities Act, Optionee shall not sell or
otherwise transfer any Shares or other securities of the Company during the 180-
day period (or such other period as may be requested in writing by the Managing
Underwriter and agreed to in writing by the Company) (the "Market Standoff
Period") following the effective date of a registration statement of the Company
filed under the Securities Act.  Such restriction shall apply only to the first
registration statement of the Company to become effective under the Securities
Act that includes securities to be sold on behalf of the Company to the public
in an underwritten public offering under the Securities Act.  Optionee agrees to
execute and deliver such other agreements as may be reasonably requested by the
Company or the underwriter which are consistent with the foregoing or which are
necessary to give further effect thereto.  The Company may impose stop-transfer
instructions with respect to securities subject to the foregoing restrictions
until the end of such Market Standoff Period.

          5.   Method of Payment.  Payment of the aggregate Exercise Price shall
               -----------------
be by any of the following, or a combination thereof, at the election of the
Optionee:

               (a)  cash or check;

               (b)  consideration received by the Company from a brokerage firm
under a formal cashless exercise program approved by the Company in connection
with the Plan; or

               (c)  surrender of other Shares which, (i) in the case of Shares
acquired from the Company, either directly or indirectly, have been owned by the
Optionee for more than six (6) months on the date of surrender, and (ii) have a
Fair Market Value on the date of surrender equal to the aggregate Exercise Price
of the Exercised Shares.

          6.   Restrictions on Exercise.  This Option may not be exercised until
               ------------------------
such time as the Plan has been approved by the shareholders of the Company, or
if the issuance of such Shares upon such exercise or the method of payment of
consideration for such shares would constitute a violation of any Applicable
Law.

          7.   Non-Transferability of Option.  This Option may not be
               -----------------------------
transferred in any manner otherwise than by will or by the laws of descent or
distribution and may be exercised during the lifetime of Optionee only by
Optionee. The terms of the Plan and this Option Agreement shall be binding upon
the executors, administrators, heirs, successors and assigns of the Optionee.

                                      -3-
<PAGE>

          8.   Term of Option.  This Option may be exercised only within the
               --------------
term set out in the Notice of Grant, and may be exercised during such term only
in accordance with the Plan and the terms of this Option.

          9.   Tax Consequences.  Set forth below is a brief summary as of the
               ----------------
date of this Option of some of the federal tax consequences of exercise of this
Option and disposition of the Shares. THIS SUMMARY IS NECESSARILY INCOMPLETE,
AND THE TAX LAWS AND REGULATIONS ARE SUBJECT TO CHANGE. THE OPTIONEE SHOULD
CONSULT A TAX ADVISER BEFORE EXERCISING THIS OPTION OR DISPOSING OF THE SHARES.

          (a)  Exercise of NSO.  There may be a regular federal income tax
               ---------------
liability upon the exercise of an NSO. The Optionee will be treated as having
received compensation income (taxable at ordinary income tax rates) equal to the
excess, if any, of the Fair Market Value of the Shares on the date of exercise
over the Exercise Price. If Optionee is an Employee or a former Employee, the
Company will be required to withhold from Optionee's compensation or collect
from Optionee and pay to the applicable taxing authorities an amount in cash
equal to a percentage of this compensation income at the time of exercise, and
may refuse to honor the exercise and refuse to deliver Shares if such
withholding amounts are not delivered at the time of exercise.

          (b)  Exercise of ISO.  If this Option qualifies as an ISO, there will
               ---------------
be no regular federal income tax liability upon the exercise of the Option,
although the excess, if any, of the Fair Market Value of the Shares on the date
of exercise over the Exercise Price will be treated as an adjustment to the
alternative minimum tax for federal tax purposes and may subject the Optionee to
the alternative minimum tax in the year of exercise.

          (c)  Disposition of Shares.  In the case of an NSO, if Shares are held
               ---------------------
for at least one year, any gain realized on disposition of the Shares will be
treated as long-term capital gain for federal income tax purposes. In the case
of an ISO, if Shares transferred pursuant to the Option are held for at least
one year after exercise and of at least two years after the Date of Grant, any
gain realized on disposition of the Shares will also be treated as long-term
capital gain for federal income tax purposes. If Shares purchased under an ISO
are disposed of within one year after exercise or two years after the Date of
Grant, any gain realized on such disposition will be treated as compensation
income (taxable at ordinary income rates) to the extent of the difference
between the Exercise Price and the lesser of (1) the Fair Market Value of the
Shares on the date of exercise, or (2) the sale price of the Shares. Any
additional gain will be taxed as capital gain, short-term or long-term depending
on the period that the ISO Shares were held.

          (d)  Notice of Disqualifying Disposition of ISO Shares.  If the Option
               -------------------------------------------------
granted to Optionee herein is an ISO, and if Optionee sells or otherwise
disposes of any of the Shares acquired pursuant to the ISO on or before the
later of (1) the date two years after the Date of Grant, or (2) the date one
year after the date of exercise, the Optionee shall immediately notify the
Company in writing of such disposition. Optionee agrees that Optionee may be
subject to income tax withholding by the Company on the compensation income
recognized by the Optionee.

                                      -4-
<PAGE>

          10.  Entire Agreement; Governing Law.  The Plan is incorporated herein
               -------------------------------
by reference. The Plan and this Option Agreement constitute the entire agreement
of the parties with respect to the subject matter hereof and supersede in their
entirety all prior undertakings and agreements of the Company and Optionee with
respect to the subject matter hereof, and may not be modified adversely to the
Optionee's interest except by means of a writing signed by the Company and
Optionee. This agreement is governed by the internal substantive laws but not
the choice of law rules of California.

          11.  No Guarantee of Continued Service.  OPTIONEE ACKNOWLEDGES AND
               ---------------------------------
AGREES THAT THE VESTING OF SHARES PURSUANT TO THE VESTING SCHEDULE HEREOF IS
EARNED ONLY BY CONTINUING AS A SERVICE PROVIDER AT THE WILL OF THE COMPANY (NOT
THROUGH THE ACT OF BEING HIRED, BEING GRANTED THIS OPTION OR ACQUIRING SHARES
HEREUNDER). OPTIONEE FURTHER ACKNOWLEDGES AND AGREES THAT THIS AGREEMENT, THE
TRANSACTIONS CONTEMPLATED HEREUNDER AND THE VESTING SCHEDULE SET FORTH HEREIN DO
NOT CONSTITUTE AN EXPRESS OR IMPLIED PROMISE OF CONTINUED ENGAGEMENT AS A
SERVICE PROVIDER FOR THE VESTING PERIOD, FOR ANY PERIOD, OR AT ALL, AND SHALL
NOT INTERFERE IN ANY WAY WITH OPTIONEE'S RIGHT OR THE COMPANY'S RIGHT TO
TERMINATE OPTIONEE'S RELATIONSHIP AS A SERVICE PROVIDER AT ANY TIME, WITH OR
WITHOUT CAUSE.

     Optionee acknowledges receipt of a copy of the Plan and represents that he
or she is familiar with the terms and provisions thereof, and hereby accepts
this Option subject to all of the terms and provisions thereof. Optionee has
reviewed the Plan and this Option in their entirety, has had an opportunity to
obtain the advice of counsel prior to executing this Option and fully
understands all provisions of the Option. Optionee hereby agrees to accept as
binding, conclusive and final all decisions or interpretations of the
Administrator upon any questions arising under the Plan or this Option. Optionee
further agrees to notify the Company upon any change in the residence address
indicated below.

OPTIONEE                                DIGITAL BROADCAST NETWORK
                                        CORPORATION

______________________________          ______________________________________
Signature                               By

______________________________          ______________________________________
Print Name                              Title

______________________________
______________________________
Residence Address

                                      -5-
<PAGE>

                                   EXHIBIT A
                                   ---------

                       1999 EXECUTIVE STOCK OPTION PLAN

                                EXERCISE NOTICE

Digital Broadcast Network Corporation
5667 Gibraltar Drive
Pleasanton, CA 94588

Attention:  Stock Plan Administrator

     1.   Exercise of Option.  Effective as of today, ___________, 19__, the
          ------------------
undersigned ("Optionee") hereby elects to exercise Optionee"s option to purchase
_________ shares of the Common Stock (the "Shares") of Digital Broadcast Network
Corporation (the "Company") under and pursuant to the 1999 Executive Stock
Option Plan (the "Plan") and the Stock Option Agreement dated ________, 19______
(the "Option Agreement").

     2.   Delivery of Payment. Optionee herewith delivers to the Company the
          -------------------
full purchase price of the Shares, as set forth in the Option Agreement, and any
and all withholding taxes due in connection with the exercise of the Option.

     3.   Representations of Optionee.  Optionee acknowledges that Optionee has
          ---------------------------
received, read and understood the Plan and the Option Agreement and agrees to
abide by and be bound by their terms and conditions.

     4.   Rights as Shareholder. Until the issuance of the Shares (as evidenced
          ---------------------
by the appropriate entry on the books of the Company or of a duly authorized
transfer agent of the Company), no right to vote or receive dividends or any
other rights as a shareholder shall exist with respect to the Optioned Stock,
notwithstanding the exercise of the Option. The Shares shall be issued to the
Optionee as soon as practicable after the Option is exercised. No adjustment
shall be made for a dividend or other right for which the record date is prior
to the date of issuance except as provided in Section 11 of the Plan.

     5.   Company's Right of First Refusal. Before any Shares held by Optionee
          --------------------------------
or any transferee (either being sometimes referred to herein as the "Holder")
may be sold or otherwise transferred (including transfer by gift or operation of
law), the Company or its assignee(s) shall have a right of first refusal to
purchase the Shares on the terms and conditions set forth in this Section (the
"Right of First Refusal").

          (a)  Notice of Proposed Transfer.  The Holder of the Shares shall
               ---------------------------
deliver to the Company a written notice (the "Notice") stating:  (i) the
Holder's bona fide intention to sell or otherwise transfer such Shares; (ii) the
name of each proposed purchaser or other transferee ("Proposed Transferee");
(iii) the number of Shares to be transferred to each Proposed Transferee;
<PAGE>

and (iv) the bona fide cash price or other consideration for which the Holder
proposes to transfer the Shares (the "Offered Price"), and the Holder shall
offer the Shares at the Offered Price to the Company or its assignee(s).

          (b)  Exercise of Right of First Refusal.  At any time within thirty
               ----------------------------------
(30) days after receipt of the Notice, the Company and/or its assignee(s) may,
by giving written notice to the Holder, elect to purchase all, but not less than
all, of the Shares proposed to be transferred to any one or more of the Proposed
Transferees, at the purchase price determined in accordance with subsection (c)
below.

          (c)  Purchase Price.  The purchase price ("Purchase Price") for the
               --------------
Shares purchased by the Company or its assignee(s) under this Section shall be
the Offered Price. If the Offered Price includes consideration other than cash,
the cash equivalent value of the non-cash consideration shall be determined by
the Board of Directors of the Company in good faith.

          (d)  Payment.  Payment of the Purchase Price shall be made, at the
               -------
option of the Company or its assignee(s), in cash (by check), by cancellation of
all or a portion of any outstanding indebtedness of the Holder to the Company
(or, in the case of repurchase by an assignee, to the assignee), or by any
combination thereof within thirty (30) days after receipt of the Notice or in
the manner and at the times set forth in the Notice.

          (e)  Holder's Right to Transfer.  If all of the Shares proposed in the
               --------------------------
Notice to be transferred to a given Proposed Transferee are not purchased by the
Company and/or its assignee(s) as provided in this Section, then the Holder may
sell or otherwise transfer such Shares to that Proposed Transferee at the
Offered Price or at a higher price, provided that such sale or other transfer is
consummated within 120 days after the date of the Notice, that any such sale or
other transfer is effected in accordance with any applicable securities laws and
that the Proposed Transferee agrees in writing that the provisions of this
Section shall continue to apply to the Shares in the hands of such Proposed
Transferee. If the Shares described in the Notice are not transferred to the
Proposed Transferee within such period, a new Notice shall be given to the
Company, and the Company and/or its assignees shall again be offered the Right
of First Refusal before any Shares held by the Holder may be sold or otherwise
transferred.

          (f)  Exception for Certain Family Transfers.  Anything to the contrary
               --------------------------------------
contained in this Section notwithstanding, the transfer of any or all of the
Shares during the Optionee's lifetime or on the Optionee's death by will or
intestacy to the Optionee's immediate family or a trust for the benefit of the
Optionee's immediate family shall be exempt from the provisions of this Section.
"Immediate Family" as used herein shall mean spouse, lineal descendant or
antecedent, father, mother, brother or sister. In such case, the transferee or
other recipient shall receive and hold the Shares so transferred subject to the
provisions of this Section, and there shall be no further transfer of such
Shares except in accordance with the terms of this Section.

                                      -2-
<PAGE>

          (g)  Termination of Right of First Refusal. The Right of First Refusal
               -------------------------------------
shall terminate as to any Shares upon the first sale of Common Stock of the
Company to the general public pursuant to a registration statement filed with
and declared effective by the Securities and Exchange Commission under the
Securities Act of 1933, as amended.

     6.   Tax Consultation. Optionee understands that Optionee may suffer
          ----------------
adverse tax consequences as a result of Optionee's purchase or disposition of
the Shares. Optionee represents that Optionee has consulted with any tax
consultants Optionee deems advisable in connection with the purchase or
disposition of the Shares and that Optionee is not relying on the Company for
any tax advice.

     7.   Restrictive Legends and Stop-Transfer Orders.
          --------------------------------------------

          (a)  Legends.  Optionee understands and agrees that the Company shall
               -------
cause the legends set forth below or legends substantially equivalent thereto,
to be placed upon any certificate(s) evidencing ownership of the Shares together
with any other legends that may be required by the Company or by state or
federal securities laws:

          THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED
          UNDER THE SECURITIES ACT OF 1933 (THE "ACT") AND MAY NOT BE
          OFFERED, SOLD OR OTHERWISE TRANSFERRED, PLEDGED OR
          HYPOTHECATED UNLESS AND UNTIL REGISTERED UNDER THE ACT OR,
          IN THE OPINION OF COMPANY COUNSEL SATISFACTORY TO THE ISSUER
          OF THESE SECURITIES, SUCH OFFER, SALE OR TRANSFER, PLEDGE OR
          HYPOTHECATION IS IN COMPLIANCE THEREWITH.

          THE SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO
          CERTAIN RESTRICTIONS ON TRANSFER AND A RIGHT OF FIRST
          REFUSAL HELD BY THE ISSUER OR ITS ASSIGNEE(S) AS SET FORTH
          IN THE EXERCISE NOTICE BETWEEN THE ISSUER AND THE ORIGINAL
          HOLDER OF THESE SHARES, A COPY OF WHICH MAY BE OBTAINED AT
          THE PRINCIPAL OFFICE OF THE ISSUER. SUCH TRANSFER
          RESTRICTIONS AND RIGHT OF FIRST REFUSAL ARE BINDING ON
          TRANSFEREES OF THESE SHARES.

          IT IS UNLAWFUL TO CONSUMMATE A SALE OR TRANSFER OF THIS
          SECURITY, OR ANY INTEREST THEREIN, OR TO RECEIVE ANY
          CONSIDERATION THEREFOR, WITHOUT THE PRIOR WRITTEN CONSENT OF
          THE COMMISSIONER OF CORPORATIONS OF THE STATE OF CALIFORNIA,
          EXCEPT AS PERMITTED IN THE COMMISSIONER'S RULES.

                                      -3-
<PAGE>

     Optionee understands that transfer of the Shares may be restricted by
Section 260.141.11 of the Rules of the California Corporations Commissioner, a
copy which is attached to Exhibit B, the Investment Representation Statement.

          (b)  Stop-Transfer Notices.  Optionee agrees that, in order to ensure
               ---------------------
compliance with the restrictions referred to herein, the Company may issue
appropriate "stop transfer" instructions to its transfer agent, if any, and
that, if the Company  transfers its own securities, it may make appropriate
notations to the same effect in its own records.

          (c)  Refusal to Transfer.  The Company shall not be required (i) to
               -------------------
transfer on its books any Shares that have been sold or otherwise transferred in
violation of any of the provisions of this Exercise Notice or (ii) to treat as
owner of such Shares or to accord the right to vote or pay dividends to any
purchaser or other transferee to whom such Shares shall have been so
transferred.

     8.   Successors and Assigns. The Company may assign any of its rights under
          ----------------------
this Exercise Notice to single or multiple assignees, and this Exercise Notice
shall inure to the benefit of the successors and assigns of the Company. Subject
to the restrictions on transfer herein set forth, this Exercise Notice shall be
binding upon Optionee and his or her heirs, executors, administrators,
successors and assigns.

     9.   Interpretation. Any dispute regarding the interpretation of this
          --------------
Exercise Notice shall be submitted by Optionee or by the Company forthwith to
the Administrator which shall review such dispute at its next regular meeting.
The resolution of such a dispute by the Administrator shall be final and binding
on all parties.

     10.  Governing Law; Severability.  This Exercise Notice is governed by the
          ---------------------------
internal substantive laws but not the choice of law rules, of California.

     11.  Entire Agreement. The Plan and Option Agreement are incorporated
          ----------------
herein by reference. This Exercise Notice, the Plan, the Option Agreement and
the Investment Representation Statement constitute the entire agreement of the
parties with respect to the subject matter hereof and supersede in their
entirety all prior undertakings and agreements of the Company and Optionee with
respect to the subject matter hereof, and may not be modified adversely to the
Optionee's interest except by means of a writing signed by the Company and
Optionee.

                 [Remainder of page intentionally left blank.]

                                      -4-
<PAGE>

Submitted by:                           Accepted by:

OPTIONEE                                DIGITAL BROADCAST NETWORK CORPORATION

______________________________          ______________________________________
Signature                               By

______________________________          ______________________________________
Print Name                              Title

Address:                                Address:
-------                                 -------

______________________________          ______________________________
______________________________          ______________________________

                                        ______________________________
                                        Date Received

                                      -5-
<PAGE>

                                   EXHIBIT B
                                   ---------

                      INVESTMENT REPRESENTATION STATEMENT

     OPTIONEE:

     COMPANY:       DIGITAL BROADCAST NETWORK CORPORATION

     SECURITY:      COMMON STOCK

     AMOUNT:

     DATE:

     In connection with the purchase of the above-listed Securities, the
undersigned Optionee represents to the Company the following:

          (a) Optionee is aware of the Company's business affairs and financial
condition and has acquired sufficient information about the Company to reach an
informed and knowledgeable decision to acquire the Securities. Optionee is
acquiring these Securities for investment for Optionee's own account only and
not with a view to, or for resale in connection with, any "distribution" thereof
within the meaning of the Securities Act of 1933, as amended (the "Securities
Act").

          (b)  Optionee acknowledges and understands that the Securities
constitute "restricted securities" under the Securities Act and have not been
registered under the Securities Act in reliance upon a specific exemption
therefrom, which exemption depends upon, among other things, the bona fide
nature of Optionee's investment intent as expressed herein. In this connection,
Optionee understands that, in the view of the Securities and Exchange
Commission, the statutory basis for such exemption may be unavailable if
Optionee's representation was predicated solely upon a present intention to hold
these Securities for the minimum capital gains period specified under tax
statutes, for a deferred sale, for or until an increase or decrease in the
market price of the Securities, or for a period of one year or any other fixed
period in the future. Optionee further understands that the Securities must be
held indefinitely, and Optionee will bear the economic risk of holding such
Securities for that indefinite period of time, unless and until the Securities
are subsequently registered under the Securities Act or an exemption from such
registration is available. Optionee further acknowledges and understands that
the Company is under no obligation to register the Securities. Optionee
understands that the certificate evidencing the Securities will be imprinted
with a legend which prohibits the transfer of the Securities unless they are
registered or such registration is not required in the opinion of counsel
satisfactory to the Company, a legend prohibiting their transfer without the
consent of the Commissioner of Corporations of the State of California, and with
any other legend required under applicable state securities laws.
<PAGE>

          (c)  Optionee is familiar with the provisions of Rule 144, promulgated
under the Securities Act, which, in substance, permits limited public resale of
"restricted securities" acquired, directly or indirectly from the issuer
thereof, in a non-public offering subject to the satisfaction of certain
conditions. If the Securities are resold in reliance on Rule 144, certain
conditions specified by Rule 144 must be satisfied, including (without
limitation): (1) the resale occurring not less than one year after the later of
the date the Securities were sold by the Company or the date the Securities were
sold by an affiliate of the Company, within the meaning of Rule 144; (2) the
resale being made through a broker in an unsolicited "broker's transaction" or
in transactions directly with a market maker (as said term is defined under the
Securities Exchange Act of 1934); and, in the case of an affiliate, (3) the
availability of certain public information about the Company, (4) the amount of
Securities being sold during any three month period not exceeding the
limitations specified in Rule 144(e), and (5) the timely filing of a Form 144,
if applicable.

          (d)  Optionee further understands that in the event all of the
applicable requirements of Rule 144 are not satisfied, registration under the
Securities Act, compliance with Regulation A, or some other registration
exemption will be required; and that, notwithstanding the fact that Rule 144 is
not exclusive, the Staff of the Securities and Exchange Commission has expressed
its opinion that persons proposing to sell private placement securities other
than in a registered offering and otherwise than pursuant to Rule 144 will have
a substantial burden of proof in establishing that an exemption from
registration is available for such offers or sales, and that such persons and
their respective brokers who participate in such transactions do so at their own
risk. Optionee understands that no assurances can be given that any such other
registration exemption will be available in such event.

          (e)  Optionee understands that the certificate evidencing the
Securities will be imprinted with a legend that prohibits the transfer of the
Securities without the consent of the Commissioner of Corporations of
California. Optionee has read the applicable Commissioner's Rules with respect
to such restriction, a copy of which is attached.

                                    Signature of Optionee:

                                   _____________________________________

                                    Date:_____________________, 19______

                                      -2-
<PAGE>

                                 ATTACHMENT 1

             STATE OF CALIFORNIA - CALIFORNIA ADMINISTRATIVE CODE

        Title 10.  Investment - Chapter 3. Commissioner of Corporations

26.141.11: Restriction on Transfer.

     (a)  The issuer of any security upon which a restriction on transfer has
been imposed pursuant to Sections 260.102.6, 260.141.10 or 260.534 shall cause a
copy of this section to be delivered to each issuee or transferee of such
security at the time the certificate evidencing the security is delivered to the
issuee or transferee.

     (b)  It is unlawful for the holder of any such security to consummate a
sale or transfer of such security, or any interest therein, without the prior
written consent of the Commissioner (until this condition is removed pursuant to
Section 260.141.12 of these rules), except:

          (1)  to the issuer;

          (2)  pursuant to the order or process of any court;

          (3)  to any person described in Subdivision (i) of Section 25102 of
the Code or Section 260.105.14 of these rules;

          (4)  to the transferor's ancestors, descendants or spouse, or any
custodian or trustee for the account of the transferor or the transferor's
ancestors, descendants, or spouse; or to a transferee by a trustee or custodian
for the account of the transferee or the transferee's ancestors, descendants or
spouse;

          (5)  to holders of securities of the same class of the same issuer;

          (6)  by way of gift or donation inter vivos or on death;

          (7)  by or through a broker dealer licensed under the Code (either
acting as such or as a finder) to a resident of a foreign state, territory or
country who is neither domiciled in this state to the knowledge of the broker
dealer, nor actually present in this state if the sale of such securities is not
in violation of any securities law of the foreign state, territory or country
concerned;

          (8)  to a broker dealer licensed under the Code in a principal
transaction, or as an underwriter or member of an underwriting syndicate or
selling group;

          (9)  if the interest sold or transferred is a pledge or other lien
given by the purchaser to the seller upon a sale of the security for which the
Commissioner's written consent is obtained or under this rule not required;
<PAGE>

          (10)      by way of a sale qualified under Sections 25111, 25112,
25113, or 25121 of the Code, of the securities to be transferred, provided that
no order under Section 25140 or subdivision (a) of Section 25143 is in effect
with respect to such qualification;

          (11)      by a corporation to a wholly owned subsidiary of such
corporation, or by a wholly owned subsidiary of a corporation to such
corporation;

          (12)      by way of an exchange qualified under Section 25111, 25112
or 25113 of the Code, provided that no order under Section 25140 or subdivision
(a) of Section 25143 is in effect with respect to such qualification;

          (13)      between residents of foreign state, territories or countries
who are neither domiciled nor actually present in this state;

          (14)      to the State Controller pursuant to the Unclaimed Property
Law or to the administrator of the unclaimed property law of another state; or

          (15)      by the State Controller pursuant to the Unclaimed Property
Law or by the administrator of the unclaimed property law of another state if,
in either such case, such person (i) discloses to potential purchasers at the
sale that transfer of the securities is restricted under this rule, (ii)
delivers to each purchaser a copy of this rule, and (iii) advises the
Commissioner of the name of each purchaser;

          (16)      by a trustee to a successor trustee when such transfer does
not involve a change in the beneficial ownership of the securities;

          (17)      by way of an offer and sale of outstanding securities in an
issuer transaction that is subject to the qualification requirement of Section
25110 of the Code but exempt from that qualification requirement by subdivision
(f) of Section 25102; provided that any such transfer is on the condition that
any certificate evidencing the security issued to such transferee shall contain
the legend required by this section.

     (c)  The certificates representing all such securities subject to such a
restriction on transfer, whether upon initial issuance or upon any transfer
thereof, shall bear on their face a legend, prominently stamped or printed
thereon in capital letters of not less than 10-point size, reading as follows:

     "IT IS UNLAWFUL TO CONSUMMATE A SALE OR TRANSFER OF THIS SECURITY, OR ANY
INTEREST THEREIN, OR TO RECEIVE ANY CONSIDERATION THEREFOR, WITHOUT THE PRIOR
WRITTEN CONSENT OF THE COMMISSIONER OF CORPORATIONS OF THE STATE OF CALIFORNIA,
EXCEPT AS PERMITTED IN THE COMMISSIONER'S RULES."

                                      -2-<PAGE>

                                                                    EXHIBIT 10.5

                              INTIRA CORPORATION

                                2000 STOCK PLAN

     1.   Purposes of the Plan.  The purposes of this 2000 Stock 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
Nonstatutory Stock Options, as determined by the Administrator at the time of
grant.

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

          (a) "Administrator" means the Board or any of its Committees as shall
               -------------
be administering the Plan, in accordance with Section 4 of the Plan.

          (b) "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 other country or jurisdiction where Options are granted under the Plan.

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

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

          (e) "Committee" means a committee of Directors appointed by the Board
               ---------
in accordance with Section 4 of the Plan.

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

          (g) "Company" means Intira Corporation, a Delaware corporation.
               -------

          (h) "Consultant" means any natural person, including an advisor,
               ----------
engaged by the Company or a Parent or Subsidiary to render services to such
entity.

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

          (j) "Disability" means total and permanent disability as defined in
               ----------
Section 22(e)(3) of the Code.
<PAGE>

          (k) "Employee" means any person, including Officers and Directors,
               --------
employed by 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 days,
unless reemployment upon expiration of such leave is guaranteed by statute or
contract.  If reemployment upon expiration of a leave of absence approved by the
Company is not so guaranteed, then three (3) months following the 91/st/ day of
such leave any Incentive Stock Option held by the Optionee shall cease to be
treated as an Incentive Stock Option and shall be treated for tax purposes as a
Nonstatutory Stock Option.  Neither service as a Director nor payment of a
director's fee by the Company shall be sufficient 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 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 such stock (or the
closing bid, if no sales were reported) as quoted on such exchange or system on
the day 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, the Fair Market Value of
a Share of Common Stock shall be the mean between the high bid and low asked
prices for the Common Stock on the day of determination, as reported in The Wall
Street Journal or such other source as the Administrator deems reliable; or

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

          (n)  "Incentive Stock Option" means an Option intended to qualify as
                ----------------------
an incentive stock option within the meaning of Section 422 of the Code and the
regulations promulgated thereunder.

          (o)  "Inside Director" means a Director who is an Employee.
                ---------------

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

          (q)  "Notice of Grant" means a written or electronic notice evidencing
                ---------------
certain terms and conditions of an individual Option grant.  The Notice of Grant
is part of the Option Agreement.

                                      -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 an agreement between the Company and an
                ----------------
Optionee evidencing the terms and conditions of an individual Option grant.  The
Option Agreement is subject to the terms and conditions of the Plan.

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

          (v)  "Optionee" means the holder of an outstanding Option granted
                --------
under the Plan.

          (w)  "Outside Director" means a Director who is not an Employee.
                ----------------

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

          (y)  "Plan" means this 2000 Stock Plan.
                ----

          (z)  "Rule 16b-3" means Rule 16b-3 of the Exchange Act or any
                ----------
successor to Rule 16b-3, as in effect when discretion is being exercised with
respect to the Plan.

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

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

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

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

     3.   Stock Subject to the Plan. Subject to the provisions of Section 13 of
          -------------------------
the Plan, the maximum aggregate number of Shares that may be optioned and
sold under the Plan is 2,500,000 Shares plus an annual increase to be added on
the first day of the Company's fiscal year, beginning fiscal year 2001, equal to
the lesser of (i) 3,000,000 Shares, (ii) 4% of the outstanding shares of Common
Stock on such date or (iii) an amount determined by the Board. The Shares may be
authorized, but unissued, or reacquired Common Stock.

          If an Option expires or becomes unexercisable without having been
exercised in full, the unpurchased Shares which were subject thereto shall
become available for future grant or sale under the Plan (unless the Plan has
terminated); provided, however, that Shares that have actually been issued under
             --------
the Plan upon exercise of an Option shall not be returned to the Plan and shall
not become available for future distribution under the Plan, except that if
unvested Shares are repurchased by the Company at their original purchase price,
such Shares shall become available for future grant under the Plan.

                                      -3-
<PAGE>

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

          (a)  Procedure.
               ---------

               (i)   Multiple Administrative Bodies.  Different Committees
                     ------------------------------
with respect to different groups of Service Providers may administer the Plan.

               (ii)  Section 162(m).  To the extent that the Administrator
                     --------------
determines it to be desirable to qualify Options granted hereunder as
"performance-based compensation" within the meaning of Section 162(m) of the
Code, the Plan shall be administered by a Committee of two or more "outside
directors" within the meaning of Section 162(m) of the Code.

               (iii) Rule 16b-3. To the extent desirable to qualify transactions
                     ----------
hereunder as exempt under Rule 16b-3, the transactions contemplated hereunder
shall be structured to satisfy the requirements for exemption under Rule 16b-3.

               (iv)  Other Administration.  Other than as provided above, the
                     --------------------
Plan shall be administered by (A) the Board or (B) a Committee, which committee
shall be constituted to satisfy Applicable Laws.

          (b)  Powers of the Administrator.  Subject to the provisions of the
               ---------------------------
Plan, and in the case of a Committee, subject to the specific duties delegated
by the Board to such Committee, the Administrator shall have the authority, in
its discretion:

               (i)   to determine the Fair Market Value;

               (ii)  to select the Service Providers to whom Options may be
granted hereunder;

               (iii) to determine the number of shares of Common Stock to be
covered by each Option granted hereunder;

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

               (v)   to determine the terms and conditions, not inconsistent
with the terms of the Plan, of any Option granted hereunder. Such terms and
conditions include, but are not limited to, the exercise price, the time or
times when Options may 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 the shares of Common Stock
relating thereto, based in each case on such factors as the Administrator, in
its sole discretion, shall determine;

               (vi)  to construe and interpret the terms of the Plan and awards
granted pursuant to the Plan;

               (vii) to prescribe, amend and rescind rules and regulations
relating to the Plan, including rules and regulations relating to sub-plans
established for the purpose of satisfying applicable foreign laws;

                                      -4-
<PAGE>

               (viii)  to modify or amend each Option (subject to Section 15(c)
of the Plan), including the discretionary authority to extend the post-
termination exercisability period of Options longer than is otherwise provided
for in the Plan;

               (ix)    to allow Optionees to satisfy withholding tax obligations
by electing to have the Company withhold from the Shares to be issued upon
exercise of an Option that number of Shares having a Fair Market Value equal to
the minimum amount required to be withheld. 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 an Optionee 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;

               (x)     to authorize any person to execute on behalf of the
Company any instrument required to effect the grant of an Option previously
granted by the Administrator;

               (xi)    to make all other determinations deemed necessary or
advisable for administering the Plan.

          (c)  Effect of Administrator's Decision.  The Administrator's
               ----------------------------------
decisions, determinations and interpretations shall be final and binding on all
Optionees and any other holders of Options or Shares issued under the Plan.

     5.   Eligibility.  Nonstatutory Stock Options may be granted to Service
          -----------
Providers.  Incentive Stock Options may be granted only to Employees.

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

          (a) Each Option shall be designated in the Option Agreement as either
an Incentive Stock Option or a Nonstatutory Stock Option.  However,
notwithstanding such designation, to the extent that the aggregate Fair Market
Value of the Shares with respect to which Incentive Stock Options are
exercisable for the first time by the Optionee during any calendar year (under
all plans of the Company and any Parent or Subsidiary) exceeds $100,000, such
Options shall be treated as Nonstatutory 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.  The Fair Market Value of the Shares shall be
determined as of the time the Option with respect to such Shares is granted.

          (b) Neither the Plan nor any Option shall confer upon an Optionee any
right with respect to continuing the Optionee's relationship as a Service
Provider with the Company, nor shall they interfere in any way with the
Optionee's right or the Company's right to terminate such relationship at any
time, with or without cause.

          (c) The following limitations shall apply to grants of Options:

              (i) No Service Provider shall be granted, in any fiscal year of
the Company, Options to purchase more than 250,000 Shares.

                                      -5-
<PAGE>

          (ii)   In connection with his or her initial service, a Service
Provider may be granted Options to purchase up to an additional 300,000
Shares, which shall not count against the limit set forth in subsection (i)
above.

          (iii)  The foregoing limitations shall be adjusted proportionately in
connection with any change in the Company's capitalization as described in
Section 13.

     7.   Term of Plan.  Subject to Section 19 of the Plan, the Plan shall
          ------------
become effective upon its adoption by the Board.  It shall continue in effect
for a term of ten (10) years unless terminated earlier under Section 15 of the
Plan.

     8.   Term of Option.  The term of each Option shall be stated in the Option
          --------------
Agreement. In the case of an Incentive Stock Option, the term shall be ten (10)
years from the date of grant or such shorter term as may be provided in the
Option Agreement. Moreover, in the case of an Incentive Stock Option granted to
an Optionee who, at the time the Incentive Stock Option is granted, owns stock
representing more than ten percent (10%) of the total combined voting power of
all classes of stock of the Company or any Parent or Subsidiary, the term of the
Incentive Stock 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) Exercise Price.  The per share exercise price for the Shares to be
              --------------
issued pursuant to exercise of an Option shall be determined by the
Administrator, subject to the following:

              (i)   In the case of an Incentive Stock Option

                    (A) granted to an Employee who, at the time the Incentive
Stock Option is granted, 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.

                    (B) granted to any Employee other than an Employee described
in paragraph (A) immediately above, the per Share exercise price shall be no
less than 100% of the Fair Market Value per Share on the date of grant.

              (ii)  In the case of a Nonstatutory Stock Option, the per Share
exercise price shall be determined by the Administrator.  In the case of a
Nonstatutory Stock Option intended to qualify as "performance-based
compensation" within the meaning of Section 162(m) of the Code, the per Share
exercise price shall be no less than 100% of the Fair Market Value per Share on
the date of grant.

              (iii) Notwithstanding the foregoing, Options may be granted with a
per Share exercise price of less than 100% of the Fair Market Value per Share on
the date of grant pursuant to a merger or other corporate transaction.

                                      -6-
<PAGE>

          (b)  Waiting Period and Exercise Dates.  At the time an Option is
               ---------------------------------
granted, the Administrator shall fix the period within which the Option may be
exercised and shall determine any conditions that must be satisfied before the
Option may be exercised.

          (c)  Form of Consideration.  The Administrator shall determine the
               ---------------------
acceptable form of consideration for exercising an Option, including the method
of payment.  In the case of an Incentive Stock Option, the Administrator shall
determine the acceptable form of consideration at the time of grant.  Such
consideration may consist entirely of:

               (i)    cash;

               (ii)   check;

               (iii)  promissory note;

               (iv)   other Shares which, in the case of Shares acquired
directly or indirectly from the Company, (A) have been owned by the Optionee 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 said Option shall be exercised;

               (v)    consideration received by the Company under a cashless
exercise program implemented by the Company in connection with the Plan;

               (vi)   a reduction in the amount of any Company liability to the
Optionee, including any liability attributable to the Optionee's participation
in any Company-sponsored deferred compensation program or arrangement;

               (vii)  any combination of the foregoing methods of payment; or

               (viii) such other consideration and method of payment for the
issuance of Shares to the extent permitted by Applicable Laws.

Notwithstanding the foregoing, the Administrator may permit an Option to be
exercised by delivery of a full-recourse promissory note secured by the
purchased shares.  All other terms of such promissory note shall be determined
by the Administrator in its sole discretion.

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

          (a)  Procedure for Exercise; Rights as a Stockholder.  Any Option
               -----------------------------------------------
granted hereunder shall be exercisable according to the terms of the Plan and at
such times and under such conditions as determined by the Administrator and set
forth in the Option Agreement.  Unless the Administrator provides otherwise,
vesting of Options granted hereunder shall be suspended during any unpaid leave
of absence.  An Option may not be exercised for a fraction of a Share.

               An Option shall be deemed exercised when the Company receives:
(i) written or electronic notice of exercise (in accordance with the Option
Agreement) from the person entitled to exercise the Option, and (ii) full
payment for the Shares with respect to which the Option is

                                      -7-
<PAGE>

exercised. Full payment may consist of any consideration and method of payment
authorized by the Administrator and permitted by the Option Agreement and the
Plan. Shares issued upon exercise of an Option shall be issued in the name of
the Optionee or, if requested by the Optionee, in the name of the Optionee and
his or her spouse. Until the Shares are issued (as evidenced by the appropriate
entry on the books of the Company or of a duly authorized transfer agent of the
Company), 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
Shares promptly after the Option is exercised. No adjustment will be made for a
dividend or other right for which the record date is prior to the date the
Shares are issued, except as provided in Section 13 of the Plan.

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

     (b)  Termination of Relationship as a Service Provider.  If an Optionee
          -------------------------------------------------
ceases to be a Service Provider, other than upon the Optionee's death or
Disability, the Optionee 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 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 three (3) months following the Optionee's termination.  If, on the date of
termination, the Optionee is not vested as to his or her entire Option, the
Shares covered by the unvested portion of the Option shall revert to the Plan.
If, after termination, the Optionee does not exercise his or her Option within
the time specified by the Administrator, the Option shall terminate, and the
Shares covered by such Option shall revert to the Plan.

     (c)  Disability of Optionee.  If an Optionee ceases to be a Service
          ----------------------
Provider as a result of the Optionee's Disability, the Optionee 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 Optionee's
termination.  If, on the date of termination, the Optionee is not vested as to
his or her entire Option, the Shares covered by the unvested portion of the
Option shall revert to the Plan.  If, after termination, the Optionee does not
exercise his or her Option within the time specified herein, the Option shall
terminate, and the Shares covered by such Option shall revert to the Plan.

     (d)  Death of Optionee.  If an Optionee dies while a Service Provider, the
          -----------------
Option may be exercised following Optionee's death within such period of
time as is specified in the Option Agreement to the extent that the Option is
vested on the date of death (but in no event may the option be exercised later
than the expiration of the term of such Option as set forth in the Option
Agreement) by the Optionee's designated beneficiary, provided such beneficiary
has been designated prior to Optionee's death in a form acceptable by the
Administrator.  If no such beneficiary has been designated by the Optionee, then
such Option may be exercised by the personal representative of the Optionee's
estate or by the person(s) to whom the Option is transferred pursuant to the
Optionee's

                                      -8-
<PAGE>

will or in accordance with the laws of descent and distribution. In the absence
of a specified time in the Option Agreement, the Option shall remain exercisable
for twelve (12) months following Optionee's death. If, at the time of death, the
Optionee is not vested as to his or her entire Option, the Shares covered by the
unvested portion of the Option shall immediately revert to the Plan. If the
Option is not so exercised within the time specified herein, the Option shall
terminate, and the Shares covered by such Option shall revert to the Plan.

     11.  Formula Option Grants to Outside Directors.  Outside Directors shall
          ------------------------------------------
automatically be granted Options in accordance with the following provisions:

          (a) All Options granted pursuant to this Section shall be Nonstatutory
Stock Options and, except as otherwise provided herein, shall be subject to the
other terms and conditions of the Plan.

          (b) Each Outside Director shall be automatically granted an Option to
purchase 26,667 Shares (the "First Option") on the date on which the later of
the following events occurs: (A) the date of the underwriting agreement is
executed and priced in connection with the Company's initial public offering of
the Common Stock pursuant to an effective registration statement filed with the
Securities and Exchange Commission, or (B) the date on which such person first
becomes an Outside Director, whether through election by the stockholders of the
Company or appointment by the Board to fill a vacancy; provided, however, that
an Inside Director who ceases to be an Inside Director but who remains a
Director shall not receive a First Option.

          (c) Each Outside Director shall be automatically granted an Option to
purchase 26,667 Shares (a "Subsequent Option") on the four (4) year anniversary
of the date of grant of the First Option, and on each fourth anniversary
thereafter, provided the Optionee is an Outside Director on each such grant
date.

          (d) Notwithstanding the provisions of subsections (b) and (c) hereof,
any exercise of an Option granted before the Company has obtained stockholder
approval of the Plan in accordance with Section 19 hereof shall be conditioned
upon obtaining such stockholder approval of the Plan in accordance with Section
19 hereof.

          (e) The terms of a First Option granted pursuant to this Section shall
be as follows:

              (i)   the term of the First Option shall be ten (10) years.

              (ii)  the First Option shall be exercisable only while the Outside
Director remains a Director of the Company.

              (iii) the exercise price per Share shall be 100% of the Fair
Market Value per Share on the date of grant of the First Option.

              (iv)  subject to Section 13, the First Option shall become
exercisable as to one forty-eighth (1/48) of the Shares subject thereto each
month after the date of grant, provided that the Optionee continues to serve as
a Director on such dates.

                                      -9-
<PAGE>

          (f)  The terms of a Subsequent Option granted hereunder shall be as
follows:

               (i)    the term of the Subsequent Option shall be ten (10) years.

               (ii)   the Subsequent Option shall be exercisable only while the
Outside Director remains a Director of the Company.

               (iii)  the exercise price per Share shall be 100% of the Fair
Market Value per Share on the date of grant of the Subsequent Option.

               Subject to Section 13 hereof, the Subsequent Option shall become
exercisable as to one forty-eighth (1/48) of the Shares subject to the
Subsequent Option each month after date of grant, provided Optionee continues to
serve as a Director on such dates.

     12.  Limited Transferability of Options.  Unless determined otherwise by
          ----------------------------------
the Administrator, an Option 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
Optionee, only by the Optionee. If the Administrator makes an Option
transferable, such Option shall contain such additional terms and conditions as
the Administrator deems appropriate.

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

          (a)  Changes in 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 the Plan but as to which no Options have yet
been granted or which have been returned to the Plan upon cancellation or
expiration of an Option, the number of Shares that may be added annually to the
Plan pursuant to Section 3(i), the number of shares subject to First Options and
Subsequent Options under Section 11, and the number of shares of Common Stock
covered by 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, or any other increase or decrease in
the number of issued shares of Common Stock effected without receipt of
consideration by the Company; provided, however, that conversion of any
convertible securities of the Company shall not be deemed to have been "effected
without receipt of consideration."  Such adjustment shall be made by the Board,
whose determination in that respect shall be final, binding and conclusive.
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.

          (b)  Dissolution or Liquidation.  In the event of the proposed
               --------------------------
dissolution or liquidation of the Company, the Administrator shall notify each
Optionee as soon as practicable prior to the effective date of such proposed
transaction.  The Administrator in its discretion may provide for an Optionee to
have the right to exercise his or her Option until ten (10) days prior to such
transaction as to all of the Optioned Stock covered thereby, including Shares as
to which the Option would not otherwise be exercisable.  In addition, the
Administrator may provide that any

                                     -10-
<PAGE>

Company repurchase option applicable to any Shares purchased upon exercise of an
Option shall lapse as to all such Shares, provided the proposed dissolution or
liquidation takes place at the time and in the manner contemplated. To the
extent it has not been previously exercised, an Option will terminate
immediately prior to the consummation of such proposed action.

          (c)  Merger or Asset Sale.  In the event of a merger of the Company
               --------------------
with or into another corporation, or the sale of substantially all of the assets
of the Company, each outstanding Option shall be assumed or an equivalent option
substituted by the successor corporation or a Parent or Subsidiary of the
successor corporation.  In the event that the successor corporation refuses to
assume or substitute for the Option, the Optionee shall fully vest in and have
the right to exercise the Option as to all of the Optioned Stock, including
Shares as to which it would not otherwise be vested or exercisable.  If an
Option becomes fully vested and exercisable in lieu of assumption or
substitution in the event of a merger or sale of assets, the Administrator shall
notify the Optionee in writing or electronically that the Option shall be fully
vested and exercisable for a period of fifteen (15) days from the date of such
notice, and the Option shall terminate upon the expiration of such period.  For
the purposes of this paragraph, the Option shall be considered assumed if,
following the merger or sale of assets, the option or right confers the right to
purchase or receive, for each Share of Optioned Stock subject to the Option
immediately prior to the merger or sale of assets, the consideration (whether
stock, cash, or other securities or property) received in the merger or sale of
assets by holders of Common Stock for each Share held on the effective date of
the transaction (and if holders were offered a choice of consideration, the type
of consideration chosen by the holders of a majority of the outstanding Shares);
provided, however, that if such consideration received in the merger or sale of
assets is not solely common stock of the successor corporation or its Parent,
the Administrator may, with the consent of the successor corporation, provide
for the consideration to be received upon the exercise of the Option, for each
Share of Optioned Stock subject to the Option, to be solely common stock of the
successor corporation or its Parent equal in fair market value to the per share
consideration received by holders of Common Stock in the merger or sale of
assets.

     14.  Date of Grant.  The date of grant of an Option shall be, for all
          -------------
purposes, the date on which the Administrator makes the determination granting
such Option, or such other later date as is determined by the Administrator.
Notice of the determination shall be provided to each Optionee 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 amend,
               -------------------------
alter, suspend or terminate the Plan.

          (b)  Stockholder Approval.  The Company 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 Optionee,
unless mutually agreed otherwise between the Optionee and the Administrator,
which agreement must be in writing and signed by the Optionee and the Company.
Termination of the Plan shall not affect the Administrator's ability to

                                     -11-
<PAGE>

exercise the powers granted to it hereunder with respect to Options granted
under the Plan prior to the date of such termination.

     16.  Conditions Upon Issuance of Shares.
          ----------------------------------

          (a) Legal Compliance.  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 shall comply with Applicable Laws and shall be further
subject to the approval of counsel for the Company with respect to such
compliance.

          (b) Investment Representations.  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.

     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, will at all times reserve and keep available such number of Shares as
shall be sufficient to satisfy the requirements of the Plan.

     19.  Stockholder Approval.  The Plan shall be subject to approval by
          --------------------
the stockholders of the Company within twelve (12) months after the date the
Plan is adopted.  Such stockholder approval shall be obtained in the manner and
to the degree required under Applicable Laws.

                                     -12-
<PAGE>

                              INTIRA CORPORATION

                            2000 STOCK OPTION PLAN

                             STOCK OPTION AGREEMENT

     Unless otherwise defined herein, the terms defined in the Plan shall have
the same defined meanings in this Option Agreement.

I.   NOTICE OF STOCK OPTION GRANT
     ----------------------------

     [Optionee's Name and Address]

     You have been granted an option to purchase Common Stock of the Company,
subject to the terms and conditions of the Plan and this Option Agreement, as
follows:

     Grant Number                    _______________________________

     Date of Grant                   _______________________________

     Vesting Commencement Date       _______________________________

     Exercise Price per Share        $______________________________

     Total Number of Shares Granted  _______________________________

     Total Exercise Price            $______________________________

     Type of Option:                 ___ Incentive Stock Option

                                     ___ Nonstatutory Stock Option

     Term/Expiration Date:           _______________________________

     Vesting Schedule:
     ----------------

     This Option shall be exercisable, in whole or in part, in accordance with
the following schedule:

     6.25% of the Shares subject to the Option shall vest three months after the
Vesting Commencement Date, and 1/48 of the Shares subject to the Option shall
vest each month thereafter on the monthly anniversary date of the Vesting
Commencement Date, subject to the Optionee continuing to be a Service Provider
on such dates.

                                      -2-
<PAGE>

     Termination Period:
     ------------------

     This Option may be exercised for three months after Optionee ceases to be a
Service Provider.  Upon the death or Disability of the Optionee, this Option may
be exercised for twelve months after Optionee ceases to be a Service Provider.
In no event shall this Option be exercised later than the Term/Expiration Date
as provided above.

II.  AGREEMENT
     ---------

     A.   Grant of Option.
          ------------------

          The Plan Administrator of the Company hereby grants to the Optionee
named in the Notice of Grant attached as Part I of this Agreement (the
"Optionee") an option (the "Option") to purchase the number of Shares, as set
forth in the Notice of Grant, at the exercise price per Share set forth in the
Notice of Grant (the "Exercise Price"), subject to the terms and conditions of
the Plan, which is incorporated herein by reference.  Subject to Section 15(c)
of the Plan, in the event of a conflict between the terms and conditions of the
Plan and the terms and conditions of this Option Agreement, the terms and
conditions of the Plan shall prevail.

          If designated in the Notice of Grant as an Incentive Stock Option
("ISO"), this Option is intended to qualify as an Incentive Stock Option under
Section 422 of the Code.  However, if this Option is intended to be an Incentive
Stock Option, to the extent that it exceeds the $100,000 rule of Code Section
422(d) it shall be treated as a Nonstatutory Stock Option ("NSO").

     B.   Exercise of Option.
          -------------------

          (a)  Right to Exercise.  This Option shall be exercisable during its
               -----------------
term in accordance with the Vesting Schedule set out in the Notice of Grant and
the applicable provisions of the Plan and this Option Agreement.

          (b)  Method of Exercise.  This Option shall be exercisable by
               ------------------
delivery of an exercise notice, in the form attached as Exhibit A (the "Exercise
Notice"), which shall state the election to exercise the Option, the number of
Shares in respect of which the Option is being exercised (the "Exercised
Shares"), and such other representations and agreements as may be required by
the Company. The Exercise Notice shall be accompanied by payment of the
aggregate Exercise Price as to all Exercised Shares. This Option shall be deemed
to be exercised upon receipt by the Company of such fully executed Exercise
Notice accompanied by such aggregate Exercise Price.

               No Shares shall be issued pursuant to the exercise of this Option
unless such issuance and exercise complies with Applicable Laws.  Assuming such
compliance, for income tax purposes the Exercised Shares shall be considered
transferred to the Optionee on the date the Option is exercised with respect to
such Exercised Shares.

                                      -2-
<PAGE>

     C.   Method of Payment.
          ------------------

          Payment of the aggregate Exercise Price shall be by any of the
following, or a combination thereof, at the election of the Optionee:

          1.   cash; or

          2.   check; or

          3.   consideration received by the Company from a brokerage firm under
a formal cashless exercise program approved by the Company in connection with
the Plan; or

          4.   surrender of other Shares which (i) in the case of Shares
acquired from the Company, either directly or indirectly, have been owned by the
Optionee for more than six (6) months on the date of surrender, and (ii) have a
Fair Market Value on the date of surrender equal to the aggregate Exercise Price
of the Exercised Shares.

     D.   Non-Transferability of Option.
          ------------------------------

          This Option may not be transferred in any manner otherwise than by
will or by the laws of descent or distribution and may be exercised during the
lifetime of Optionee only by the Optionee.  The terms of the Plan and this
Option Agreement shall be binding upon the executors, administrators, heirs,
successors and assigns of the Optionee.

     E.   Term of Option.
          ---------------

          This Option may be exercised only within the term set out in the
Notice of Grant, and may be exercised during such term only in accordance with
the Plan and the terms of this Option Agreement.

     F.   Tax Obligations.
          ------------------

          1.   Withholding Taxes.  Optionee agrees to make appropriate
               -----------------
arrangements with the Company (or the Parent or Subsidiary employing or
retaining Optionee) for the satisfaction of all Federal, state, local and
foreign income and employment tax withholding requirements applicable to the
Option exercise. Optionee acknowledges and agrees that the Company may refuse to
honor the exercise and refuse to deliver Shares if such withholding amounts are
not delivered at the time of exercise.

          2.   Notice of Disqualifying Disposition of ISO Shares.  If the Option
               -------------------------------------------------
granted to Optionee herein is an ISO, and if Optionee sells or otherwise
disposes of any of the Shares acquired pursuant to the ISO on or before the
later of (1) the date two years after the Date of Grant, or (2) the date one
year after the date of exercise, the Optionee shall immediately notify the
Company in writing of such disposition.  Optionee agrees that Optionee may be
subject to income tax withholding by the Company on the compensation income
recognized by the Optionee.

                                      -3-
<PAGE>

     G.   Entire Agreement; Governing Law.
          --------------------------------

          The Plan is incorporated herein by reference.  The Plan and this
Option Agreement constitute the entire agreement of the parties with respect to
the subject matter hereof and supersede in their entirety all prior undertakings
and agreements of the Company and Optionee with respect to the subject matter
hereof, and may not be modified adversely to the Optionee's interest except by
means of a writing signed by the Company and Optionee.  This agreement is
governed by the internal substantive laws, but not the choice of law rules, of
California.

     H.   NO GUARANTEE OF CONTINUED SERVICE.
          ----------------------------------

          OPTIONEE ACKNOWLEDGES AND AGREES THAT THE VESTING OF SHARES PURSUANT
TO THE VESTING SCHEDULE HEREOF IS EARNED ONLY BY CONTINUING AS A SERVICE
PROVIDER AT THE WILL OF THE COMPANY (AND NOT THROUGH THE ACT OF BEING HIRED,
BEING GRANTED THIS OPTION OR PURCHASING SHARES HEREUNDER).  OPTIONEE FURTHER
ACKNOWLEDGES AND AGREES THAT THIS AGREEMENT, THE TRANSACTIONS CONTEMPLATED
HEREUNDER AND THE VESTING SCHEDULE SET FORTH HEREIN DO NOT CONSTITUTE AN EXPRESS
OR IMPLIED PROMISE OF CONTINUED ENGAGEMENT AS A SERVICE PROVIDER FOR THE VESTING
PERIOD, FOR ANY PERIOD, OR AT ALL, AND SHALL NOT INTERFERE IN ANY WAY WITH
OPTIONEE'S RIGHT OR THE COMPANY'S RIGHT TO TERMINATE OPTIONEE'S RELATIONSHIP AS
A SERVICE PROVIDER AT ANY TIME, WITH OR WITHOUT CAUSE.

     By your signature and the signature of the Company's representative below,
you and the Company agree that this Option is granted under and governed by the
terms and conditions of the Plan and this Option Agreement.  Optionee has
reviewed the Plan and this Option Agreement in their entirety, has had an
opportunity to obtain the advice of counsel prior to executing this Option
Agreement and fully understands all provisions of the Plan and Option Agreement.
Optionee hereby agrees to accept as binding, conclusive and final all decisions
or interpretations of the Administrator upon any questions relating to the Plan
and Option Agreement.  Optionee further agrees to notify the Company upon any
change in the residence address indicated below.

OPTIONEE:                               INTIRA CORPORATION

______________________________          ______________________________
Signature                               By

______________________________          ______________________________
Print Name                              Title

______________________________
Residence Address

______________________________

                                      -4-
<PAGE>

                               CONSENT OF SPOUSE
                               -----------------

     The undersigned spouse of Optionee has read and hereby approves the terms
and conditions of the Plan and this Option Agreement.  In consideration of the
Company's granting his or her spouse the right to purchase Shares as set forth
in the Plan and this Option Agreement, the undersigned hereby agrees to be
irrevocably bound by the terms and conditions of the Plan and this Option
Agreement and further agrees that any community property interest shall be
similarly bound.  The undersigned hereby appoints the undersigned's spouse as
attorney-in-fact for the undersigned with respect to any amendment or exercise
of rights under the Plan or this Option Agreement.

                                             ______________________________
                                              Spouse of Optionee
<PAGE>

                                   EXHIBIT A
                                   ---------

                              INTIRA CORPORATION

                            2000 STOCK OPTION PLAN

                                EXERCISE NOTICE

Intira Corporation
5667 Gibraltar Drive
Pleasanton, CA 94588

Attention:  Stock Plan Administrator

     1.   Exercise of Option.  Effective as of today, ________________, _____,
          ------------------
the undersigned ("Purchaser") hereby elects to purchase ______________ shares
(the "Shares") of the Common Stock of Intira Corporation (the "Company") under
and pursuant to the 2000 Stock Plan (the "Plan") and the Stock Option Agreement
dated, _____ (the "Option Agreement").  The purchase price for the Shares shall
be $_____, as required by the Option Agreement.

     2.   Delivery of Payment.  Purchaser herewith delivers to the Company the
          -------------------
full purchase price for the Shares, and any and all withholding taxes due in
connection with the exercise of the Option.

     3.   Representations of Purchaser.  Purchaser acknowledges that Purchaser
          ----------------------------
has received, read and understood the Plan and the Option Agreement and agrees
to abide by and be bound by their terms and conditions.

     4.   Rights as Shareholder.  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 Shares, no right to vote or receive dividends or
any other rights as a shareholder shall exist with respect to the Optioned
Stock, notwithstanding the exercise of the Option.  The Shares so acquired shall
be issued to the Optionee as soon as practicable after exercise of the Option.
No adjustment will be made for a dividend or other right for which the record
date is prior to the date of issuance, except as provided in Section 13 of the
Plan.

     5.   Tax Consultation.  Purchaser understands that Purchaser may suffer
          ----------------
adverse tax consequences as a result of Purchaser's purchase or disposition of
the Shares.  Purchaser represents that Purchaser has consulted with any tax
consultants Purchaser deems advisable in connection with the purchase or
disposition of the Shares and that Purchaser is not relying on the Company for
any tax advice.
<PAGE>

     6.   Entire Agreement; Governing Law.  The Plan and Option Agreement are
          -------------------------------
incorporated herein by reference.  This Exercise Notice Agreement, the Plan and
the Option Agreement constitute the entire agreement of the parties with respect
to the subject matter hereof and supersede in their entirety all prior
undertakings and agreements of the Company and Purchaser with respect to the
subject matter hereof, and may not be modified adversely to the Purchaser's
interest except by means of a writing signed by the Company and Purchaser.  This
agreement is governed by the internal substantive laws, but not the choice of
law rules, of California.

Submitted by:                           Accepted by:

PURCHASER:                              INTIRA CORPORATION

______________________________          ______________________________
Signature                               By

______________________________          ______________________________
Print Name                              Its

Address:                                Address:
-------                                 -------

______________________________          INTIRA CORPORATION

______________________________          [address]

                                        ______________________________
                                        Date Received

                                      -2-
<PAGE>

                                   EXHIBIT B
                                   ---------
                               SECURITY AGREEMENT

     This Security Agreement is made as of __________, _____ between Intira
Corporation, a Delaware corporation ("Pledgee"), and _________________________
("Pledgor").

                                    Recitals
                                    --------

     Pursuant to Pledgor's election to purchase Shares under the Option
Agreement dated ________ (the "Option"), between Pledgor and Pledgee under
Pledgee's 2000 Stock Plan, and Pledgor's election under the terms of the Option
to pay for such shares with his promissory note (the "Note"), Pledgor has
purchased _________ shares of Pledgee's Common Stock (the "Shares") at a price
of $________ per share, for a total purchase price of $__________.  The Note and
the obligations thereunder are as set forth in Exhibit C to the Option.

     NOW, THEREFORE, it is agreed as follows:

     1.   Creation and Description of Security Interest.  In consideration of
          ---------------------------------------------
the transfer of the Shares to Pledgor under the Option Agreement, Pledgor,
pursuant to the California Commercial Code, hereby pledges all of such Shares
(herein sometimes referred to as the "Collateral") represented by certificate
number ______, duly endorsed in blank or with executed stock powers, and
herewith delivers said certificate to the Secretary of Pledgee ("Pledgeholder"),
who shall hold said certificate subject to the terms and conditions of this
Security Agreement.

          The pledged stock (together with an executed blank stock assignment
for use in transferring all or a portion of the Shares to Pledgee if, as and
when required pursuant to this Security Agreement) shall be held by the
Pledgeholder as security for the repayment of the Note, and any extensions or
renewals thereof, to be executed by Pledgor pursuant to the terms of the Option,
and the Pledgeholder shall not encumber or dispose of such Shares except in
accordance with the provisions of this Security Agreement.

     2.   Pledgor's Representations and Covenants.  To induce Pledgee to enter
          ---------------------------------------
into this Security Agreement, Pledgor represents and covenants to Pledgee, its
successors and assigns, as follows:

          (a) Payment of Indebtedness.  Pledgor will pay the principal sum of
              -----------------------
the Note secured hereby, together with interest thereon, at the time and in the
manner provided in the Note.

          (b) Encumbrances.  The Shares are free of all other encumbrances,
              ------------
defenses and liens, and Pledgor will not further encumber the Shares without the
prior written consent of Pledgee.
<PAGE>

          (c) Margin Regulations.  In the event that Pledgee's Common Stock is
              ------------------
now or later becomes margin-listed by the Federal Reserve Board and Pledgee is
classified as a "lender" within the meaning of the regulations under Part 221 of
Title 12 of the Code of Federal Regulations ("Regulation U"), Pledgor agrees to
cooperate with Pledgee in making any amendments to the Note or providing any
additional collateral as may be necessary to comply with such regulations.

     3.   Voting Rights.  During the term of this pledge and so long as all
          -------------
payments of principal and interest are made as they become due under the terms
of the Note, Pledgor shall have the right to vote all of the Shares pledged
hereunder.

     4.   Stock Adjustments.  In the event that during the term of the pledge
          -----------------
any stock dividend, reclassification, readjustment or other changes are declared
or made in the capital structure of Pledgee, all new, substituted and additional
shares or other securities issued by reason of any such change shall be
delivered to and held by the Pledgee under the terms of this Security Agreement
in the same manner as the Shares originally pledged hereunder.  In the event of
substitution of such securities, Pledgor, Pledgee and Pledgeholder shall
cooperate and execute such documents as are reasonable so as to provide for the
substitution of such Collateral and, upon such substitution, references to
"Shares" in this Security Agreement shall include the substituted shares of
capital stock of Pledgor as a result thereof.

     5.   Options and Rights.  In the event that, during the term of this
          ------------------
pledge, subscription Options or other rights or options shall be issued in
connection with the pledged Shares, such rights, Options and options shall be
the property of Pledgor and, if exercised by Pledgor, all new stock or other
securities so acquired by Pledgor as it relates to the pledged Shares then held
by Pledgeholder shall be immediately delivered to Pledgeholder, to be held under
the terms of this Security Agreement in the same manner as the Shares pledged.

     6.   Default.  Pledgor shall be deemed to be in default of the Note and of
          -------
this Security Agreement in the event:

          (a) Payment of principal or interest on the Note shall be delinquent
for a period of 10 days or more; or

          (b) Pledgor fails to perform any of the covenants set forth in the
Option or contained in this Security Agreement for a period of 10 days after
written notice thereof from Pledgee.

          In the case of an event of Default, as set forth above, Pledgee shall
have the right to accelerate payment of the Note upon notice to Pledgor, and
Pledgee shall thereafter be entitled to pursue its remedies under the California
Commercial Code.

     7.   Release of Collateral.  Subject to any applicable contrary rules under
          ---------------------
Regulation U, there shall be released from this pledge a portion of the pledged
Shares held by Pledgeholder hereunder upon payments of the principal of the
Note.  The number of the pledged Shares which shall be released shall be that
number of full Shares which bears the same proportion to the initial number of

                                      -2-
<PAGE>

Shares pledged hereunder as the payment of principal bears to the initial full
principal amount of the Note.

     8.   Withdrawal or Substitution of Collateral.  Pledgor shall not sell,
          ----------------------------------------
withdraw, pledge, substitute or otherwise dispose of all or any part of the
Collateral without the prior written consent of Pledgee.

     9.   Term.  The within pledge of Shares shall continue until the payment of
          ----
all indebtedness secured hereby, at which time the remaining pledged stock shall
be promptly delivered to Pledgor, subject to the provisions for prior release of
a portion of the Collateral as provided in paragraph 7 above.

     10.  Insolvency.  Pledgor agrees that if a bankruptcy or insolvency
          ----------
proceeding is instituted by or against it, or if a receiver is appointed for the
property of Pledgor, or if Pledgor makes an assignment for the benefit of
creditors, the entire amount unpaid on the Note shall become immediately due and
payable, and Pledgee may proceed as provided in the case of default.

     11.  Pledgeholder Liability.  In the absence of willful or gross
          ----------------------
negligence, Pledgeholder shall not be liable to any party for any of his acts,
or omissions to act, as Pledgeholder.

     12.  Invalidity of Particular Provisions.  Pledgor and Pledgee agree that
          -----------------------------------
the enforceability or invalidity of any provision or provisions of this Security
Agreement shall not render any other provision or provisions herein contained
unenforceable or invalid.

     13.  Successors or Assigns.  Pledgor and Pledgee agree that all of the
          ---------------------
terms of this Security Agreement shall be binding on their respective successors
and assigns, and that the term "Pledgor" and the term "Pledgee" as used herein
shall be deemed to include, for all purposes, the respective designees,
successors, assigns, heirs, executors and administrators.

     14.  Governing Law.  This Security Agreement shall be interpreted and
          -------------
governed under the internal substantive laws, but not the choice of law rules,
of California.

                                      -3-
<PAGE>

     IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of
the day and year first above written.

"PLEDGOR"                     _______________________________
                              Signature

                              ________________________________
                              Print Name

                              Address:   ____________________

                                         ____________________

"PLEDGEE"                     INTIRA CORPORATION
                              a Delaware corporation

                              _______________________________
                              Signature

                              _______________________________
                              Print Name

                              _______________________________
                              Title

"PLEDGEHOLDER"                _______________________________
                              Secretary of Intira Corporation

                                      -4-
<PAGE>

                                   EXHIBIT C
                                   ---------

                                      NOTE

$_______________                              [City, State]

                                              __________________, _____

     FOR VALUE RECEIVED, _____________________ promises to pay to Intira
Corporation, a Delaware corporation (the "Company"), or order, the principal sum
of _______________________ ($_____________), together with interest on the
unpaid principal hereof from the date hereof at the rate of _______________
percent (____%) per annum, compounded semiannually.

     Principal and interest shall be due and payable on _______________, _____.
Payment of principal and interest shall be made in lawful money of the United
States of America.

     The undersigned may at any time prepay all or any portion of the principal
or interest owing hereunder.

     This Note is subject to the terms of the Option, dated as of
________________.  This Note is secured in part by a pledge of the Company's
Common Stock under the terms of a Security Agreement of even date herewith and
is subject to all the provisions thereof.

     The holder of this Note shall have full recourse against the undersigned,
and shall not be required to proceed against the collateral securing this Note
in the event of default.

     In the event the undersigned shall cease to be an employee, director or
consultant of the Company for any reason, this Note shall, at the option of the
Company, be accelerated, and the whole unpaid balance on this Note of principal
and accrued interest shall be immediately due and payable.

     Should any action be instituted for the collection of this Note, the
reasonable costs and attorneys' fees therein of the holder shall be paid by the
undersigned.

                                            ____________________________________
                                            ____________________________________

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