Document:

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                                                                    Exhibit 10.4

                                STANDARD FORM OF
                             SKYCACHE, INCORPORATED
                      NON-QUALIFIED STOCK OPTION AGREEMENT
                      ------------------------------------

No. of Shares Subject to this Agreement:  ___________________
Expiration Date:                          ___________________

     THIS NON-QUALIFIED STOCK OPTION AGREEMENT dated the _____ day of
____________, ______, by and between SkyCache, Incorporated, a Delaware
corporation ("Company"), and ________ ("Participant") is made pursuant and
              -------                   -----------
subject to the provisions of the Company's 1998 Employee Stock Incentive Plan

("Plan"), a copy of which has been given to Participant.  All terms used herein
------
that are defined in the Plan have the same meaning given them in the Plan.

        1.  Grant of Option.  Pursuant to the Plan, and subject to the terms and
            ---------------
conditions set forth herein, the Company, on __________________, _____ ("Date of
                                                                         -------
Grant"), granted to the Participant an Option to purchase all or any part of an
-----
aggregate of ______ shares of Common Stock of the Company (which together with
any securities issued with respect to those shares by way of stock dividend,
stock split, share transfer, merger, consolidation, or other change in
capitalization, whether before or after the date of exercise of the Option, are
referred to as ("Purchase Shares"), with a par value of $.01 per share, at the
                 ---------------
purchase price of ______ per share ("Exercise Price"), such shares having a Fair
                                     --------------
Market Value on the Date of Grant of $__________ per share. This Option is not
intended to be an incentive stock option under Section 422 of the Code.

        2.  Terms and Conditions. This Option is subject to the following terms
            --------------------
and conditions:

           (a)  Expiration Date. This Option shall expire on ______________
                ----------------
("Expiration Date"). No part of this Option may be exercised after that date.
  ---------------

           (b)  Exercise of Option by Participant. This Option shall be
                ----------------------------------
exercisable as of the Date of Grant with respect to _____ shares. The Option
shall become exercisable with respect to an additional ______ shares on
___________, _____. The Option shall be exercisable with respect to the
remaining _____ shares on _________________________,_____. Once any installment
of the Option has become exercisable, it will remain so until the Expiration
Date or until the Option terminates pursuant to Paragraph 3 below. A partial
exercise of this Option shall not affect the Participant's right to exercise
this Option with respect to the remaining shares, subject to the conditions of
this Agreement.

           (c)  Exercise of Option Upon Participant's Death. If the Participant
                --------------------------------------------
dies before the Expiration Date and prior to any termination of the Option
pursuant to Paragraph 3 below, this Option may be exercised for the number of
shares Participant was entitled to purchase on the date of his death by the
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Participant's estate, personal representative, person(s) or entity to whom his
rights under this Option shall pass by will or the laws of descent and
distribution. The estate, personal representative, or other such person or
entity must exercise the Option in accordance with the procedures set forth in
this Agreement no later than the earlier of (i) six (6) months after the date of
the Participant's death, or (ii) the Expiration Date.

           (d)  Method of Exercising Option and Payment for Shares. This Option,
                ---------------------------------------------------
or any portion thereof, shall be exercised by written notice delivered to the
attention of the Company's Secretary at the Company's principal office. The
exercise date shall be (i) the date of postmark, in the case of notice by mail,
or (ii) the date of delivery, if delivered in person. The exercise notice shall
be accompanied by payment of the Exercise Price in full and any required Tax
                                                                         ---
Withholding (as defined in Paragraph 6 below). As a condition to exercise of
-----------
this Option, the Participant shall deliver an executed copy of any Stockholder
Agreement among the Company's stockholders then in effect. Payment shall be made
in cash, in the form of currency or check or other cash equivalent acceptable to
the Company. Notwithstanding the foregoing, by mutual agreement of the Company
and Participant, Participant may exercise this Option on a cashless basis
through the cancellation of issued and outstanding shares of Common Stock of the
Company, or the cancellation of Purchase Shares otherwise exercisable pursuant
to this Option, having a Fair Market Value equal to the Exercise Price.

           (e)  Nontransferability. This option may not be transferred except by
                -------------------
will or by the laws of descent and distribution. During the Participant's
lifetime, this Option may be exercised only by the Participant.

        3.  Termination of Employment with the Company or an Affiliate. In the
            -----------------------------------------------------------
event the Participant ceases to be employed by the Company or an Affiliate prior
to the Expiration Date, Participant may exercise this Option with respect to all
or part of the shares for which Participant could have exercised the Option on
the date of his termination of employment with the Company and its Affiliates.
Such Option may be exercised no later than three (3) months following the date
his employment terminates, but in no event later than the Expiration Date. No
additional portion of this Option shall become exercisable after the date the
Participant terminates employment.

        4.  Redemption of Purchase Shares. Upon the Participant's separation
            ------------------------------
from service with the Company or an Affiliate, the Company shall have the option
(but not the obligation) to purchase any Purchase Shares, and the Participant,
his estate, personal representative, or other person or entity who acquires the
shares by will or by the laws of descent and distribution shall be required to
sell such shares to the Company. The redemption price for the Purchase Shares
will be the Fair Market Value of the shares on the date of redemption. The
Company's acquisition of the Purchase Shares, and payment of the redemption
price, to the Participant, his representative or other person(s) or entity will
occur on a date determined by the Company (which, in the event of the
Participant's death, will be no earlier than three (3) months after the date of
death) and will be completed no later than six (6) months after the date of
separation from service.

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        5. Transfer of Shares. Participants shall not transfer, or permit the
           -------------------
transfer of, any of his Purchase Shares, except in accordance with Paragraph 4
of this Agreement. Any non-authorized transfer of shares will be void and of no
legal force.

        6.  Withholding Taxes.  If the Company shall be required to withhold any
            ------------------
federal, state, local or foreign tax ("Tax Withholding") in connection with any
                                       ---------------
exercise of the Option, Participant shall pay the tax or make provisions that
are satisfactory to the Company for the payment thereof concurrent with the
payment of the Exercise Price.

        7. No Rights as a Shareholder. The Participant shall have no rights as a
           ---------------------------
shareholder with respect to the Common Stock until the Participant has exercised
the Option, paid the Exercise Price, and paid any Tax Withholding in accordance
with the requirements of this Agreement.

        8. Representations and Warranties of Participant. Participant represents
           ----------------------------------------------
and warrants to the Company that:

           (a) Agrees to Terms of the Plan and this Agreement. Participant has
               -----------------------------------------------
received a copy of the Plan and this Agreement, has read and understands the
terms of the Plan and this Agreement, and agrees to be bound by their terms and
conditions. Participant acknowledges that there may be adverse tax consequences
upon acquisition of the Purchase Shares, and that Participant should consult a
tax adviser prior to such acquisition or disposition.

           (b) Unregistered Stock. Participant acknowledges and understands that
               -------------------
any shares of Common Stock acquired upon the exercise of this Option will not be
registered under the Securities Act of 1933, as amended ("1933 Act"), or any
                                                          --------
applicable state securities laws by reason of claimed exemptions from
registration thereunder which depend in part on Participant's investment
intentions and is aware that no federal or state agency has made any review,
finding or determination regarding the Common Stock nor any recommendation or
endorsement of the Common Stock as an investment, and Participant must forego
the security, if any, that such a review would provide.

           (c)  Access to Information. Participant has had access to all
                ----------------------
information regarding the Company and its present and prospective business,
assets, liabilities and financial condition that Participant reasonably
considers important in making the decision to acquire the Purchase Shares, and
Participant has had ample opportunity to ask questions of the Company's
representatives concerning such matters and this investment.

           (d)  Party to Interest; Knowledge and Experience. Participant is the
                --------------------------------------------
sole party in interest with respect to the Common Stock subject to the Option
and has sufficient knowledge and experience in financial and business matters to
enable Participant to evaluate the merits and risks of this investment.
Participant fully understands the substantial risks associated with the
Company's business.

           (e)  Speculative Nature of Purchase. Participant recognizes the
                -------------------------------
speculative nature and the high risk of loss associated with the acquisition of
Common Stock upon the exercise of this Option and the operation of the Company

                                       3
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and affirms that Participant is willing and able to bear the high risk of this
investment for an indefinite period of time.

           (f)  Restricted Securities. Participant acknowledges that the shares
                ----------------------
of Common Stock acquired upon the exercise of this Option will be "restricted"
securities under the 1933 Act, and that Participant will therefore not be able
to transfer, sell, assign or otherwise dispose of the shares unless the shares
are registered under the 1933 Act and applicable state securities laws or unless
an exemption is available. In addition to any legend required by any
Shareholders' Agreement, Participant acknowledges that the certificate(s)
representing any shares of Common Stock acquired upon the exercise of this
Option may bear a restrictive legend as follows:

           The shares represented by this certificate have not been registered
           under the Securities Act of 1933 or any state securities laws. These
           shares may not be sold, exchanged, made subject to a security
           interest, pledged, hypothecated or otherwise transferred without an
           effective registration statement for such shares under the Securities
           Act of 1933 and applicable state securities laws, or an opinion of
           counsel acceptable to the corporation that such registration is not
           required.

           The securities represented by this certificate are subject to the
           terms and conditions of a Stock Option Agreement, by and among
           Company and the shareholders of Company, which Agreement includes
           certain restrictions on transfer. A copy of such Stock Option
           Agreement is on file and available for inspection at the principal
           office of Company, and no transfer of the interests represented by
           this certificate shall be valid or effective unless or until the
           terms and conditions of such Agreement shall have been complied with.

        9. Representations and Warranties of Company. The Company represents and
           ------------------------------------------
warrants to the Participant that:

           (a)  Authority. This Agreement has been duly authorized and is a
                ----------
valid and binding instrument against the Company, enforceable in accordance with
its terms.

           (b)  Compliance with Law. The Company shall make reasonable efforts
                --------------------
to comply with all applicable federal and state securities laws; provided,
                                                                 ---------
however, notwithstanding any other provision of this Agreement, the Option shall
-------
not be exercisable if the exercise thereof would result in a violation of any
such laws.

           (c)  Purchase Shares. Upon the Participant's payment for the Purchase
                ----------------
Shares and any Tax Withholding, the Purchase Shares shall be duly authorized and
issued, fully paid and nonassessable, and the Purchase Shares shall have good
marketable title, free and clear of all liens, security interests and other
encumbrances. Once payment has been made for the Purchase Shares and any Tax
Withholding, the Company will release the applicable certificate to the
Participant. The Participant shall have the right to vote the Purchase Shares

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and receive dividends thereon after the Exercise Price and any Tax Withholding
has been paid to the Company and prior to their forfeiture.

        10.  Survival of Representations and Warranties.  All representations,
             -------------------------------------------
warranties, covenants, and agreements contained herein or made in writing by the
Participant or the Company in connection with the transaction contemplated
hereby, except any representation, warranty or agreement as to which compliance
may have been appropriately waived, shall survive the execution and delivery of
this Agreement.

        11.  Right to Terminate Employment and Adjust Compensation. This Option
             ------------------------------------------------------
does not confer upon the Participant any right to continued employment with the
Company or an Affiliate, nor does any provision of this Agreement limit in any
way any right that the Company or an Affiliate may otherwise have to terminate
the employment or adjust the compensation of the Participant at any time.

        12.  Change in Capital Structure. The terms of this Option shall be
             ----------------------------
adjusted if the Company determines, in its sole discretion, that such adjustment
is required in the event the Company effects one or more stock dividends, stock
split-ups, subdivisions or consolidations of shares or other similar changes in
capitalization. The issuance by the Company of shares of stock of any class, or
securities convertible into shares of stock of any class, for cash or property,
or for labor or services either upon direct sale or upon the exercise of rights
or warrants to subscribe therefor, or upon conversion of shares or obligations
of the Company convertible into such shares or other securities, shall not
affect, and no adjustment by reason thereof shall be made with respect to, the
terms of this Option.

        13.  Merger, Consolidations, Acquisitions or Dissolution of the Company.
             -------------------------------------------------------------------
In the event of the merger or consolidation of the Company with or into another
unaffiliated entity, or the acquisition by another unaffiliated entity or person
of all or substantially all of the Company's assets or more than fifty percent
(50%) of the Company's then outstanding voting stock, or the liquidation,
dissolution, or winding up of the Company (other than in a restructuring
transaction which results in the continuation of the Company's business by an
affiliated entity), then, at the election of the Company, either (i) the Option
shall be assumed or an equivalent option substituted by any successor
corporation to the Company, or (ii) the Company shall make provision for this
Option to become exercisable, for a minimum of thirty (30) days prior to such
event, as to all vested Option shares covered hereby through such date.

        14.  Fractional Shares. Fractional shares shall not be issued hereunder,
             ------------------
and when any provision hereof may entitle Participant to a fractional share,
such fraction shall be disregarded.

        15.  Relation to Other Benefits.  Any economic or other benefit to the
             --------------------------
Participant under this Agreement shall not be taken into account in determining
any benefits to which the Participant may be entitled under any profit-sharing,
retirement or other benefit or compensation plan maintained by the Company or
any subsidiary and shall not affect the amount of any life insurance coverage
available to any beneficiary under any life insurance plan covering employees of
the Company or any subsidiary.

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        16.  Lockup Agreement. Notwithstanding the above, in the event of any
             ----------------
registration of securities of the Company under the Securities Act of 1933, as
amended, or under Section 12 of the Securities Exchange Act of 1934, as amended,
the Participant agrees, if requested by the Company's underwriters, to execute a
lockup agreement pursuant to which the Participant agrees, for a period of 180
days following such registration, not to sell, transfer or otherwise dispose of
any Shares held by the Participant.

        17.  Notice. Any notice or other communication given pursuant to this
             -------
Agreement shall be in writing and shall be personally delivered or mailed by
United States registered or certified mail, postage prepaid, return receipt
requested, if to the Participant, at the address on the signature page hereto,
and to the following addresses:

        If to the Company:   SkyCache, Incorporated
                             312 Laurel Avenue
                             Laurel, Maryland  20707
                             Attention:  President

Any such notice shall be deemed to have been given (a) on the date of postmark,
in the case of notice by mail, or (b) on the date of delivery, if delivered in
person.

        18.  Conflicts. In the event of any conflict between the provisions of
             ----------
the Plan as in effect on the date hereof and the provisions of this Agreement,
the provisions of the Plan shall govern. All references herein to the Plan shall
mean the Plan in effect on the date of this Agreement.

        19.  Binding Effect. Subject to the limitations stated above and in the
             ---------------
Plan, this Agreement shall be binding upon and inure to the benefit of legatees,
distributees, and personal representatives of the Participants and the
successors of the Company.

        20.  Counterparts. This Agreement may be executed in any number of
             ------------
counterparts, each signed by different persons and all of said counterparts
together shall constitute one and the same instrument, and such instrument shall
be deemed to have been made, executed and delivered on the date first
hereinabove written, irrespective of the time or times when the same or any
counterparts hereof actually may have been executed and delivered.  This
Agreement shall become effective when the Company shall have executed and
delivered a counterpart hereof to the Participant and the Participant shall have
executed and delivered a counterpart hereof to the Company.

        21.  Severability. In the event that one or more of the provisions of
             -------------
this Agreement shall be invalidated for any reason by a court of competent
jurisdiction, any provision so invalidated shall be deemed to be separable from
the other provisions hereof, and the remaining provisions hereof shall continue
to be valid and fully enforceable.

        22.  Entire Agreement. This Agreement and the Plan, shall constitute the
             -----------------
entire agreement with respect to the subject matter hereof.

        23.  Heading.  The section, subsection and paragraph headings utilized
             -------

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throughout this Agreement are for convenience and reference only, and the words
contained herein shall not be held to expand, modify, amplify or aid in the
interpretation, construction, or meaning of this Agreement.

        24.  Governing Law. This Agreement shall be governed by the laws of the
             --------------
State of Maryland.

        25.  Confidentiality Agreement. In consideration for the grant of this
             --------------------------
Option, Participant hereby agrees to execute and be bound by the terms of the
Company's standard Confidentiality and Non-Disclosure Agreement.

                           [Signature Page Follows.]

                                       7
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     This Agreement is executed by the Company as of the _______ day of

______________, _____.

                                      SKYCACHE, INCORPORATED

                                      By:    __________________________

                                      Name:  __________________________

                                      Title: __________________________

     The undersigned Participant hereby acknowledges receipt of an executed
original of this Agreement and accepts the Option granted hereunder, subject to
the terms and conditions above.

                        _________________________________________
                        [Participant]

                        DATE:  __________________________

                        Address: __________________________

                                 __________________________

                                 __________________________

                        Tax Identification Number:  ___________________

                                       8<PAGE>

                                                                    Exhibit 10.5

                                 CIDERA, INC.

                          2000 EQUITY INCENTIVE PLAN

               Adopted By Board of Directors: February 24, 2000

                  Approved By Stockholders: February 24, 2000

                      Termination Date: February 23, 2010

1.   Purposes.

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

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

     (c)  General Purpose. The Company, by means of the Plan, seeks to retain
the services of the group of persons eligible to receive Stock Awards, to secure
and retain the services of new members of this group and to provide incentives
for such persons to exert maximum efforts for the success of the Company and its
Affiliates.

2.   Definitions.

     (a)  "Affiliate" means any parent corporation or subsidiary corporation of
the Company, whether now or hereafter existing, as those terms are defined in
Sections 424(e) and (f), respectively, of the Code.

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

     (c)  "Cause" means if Participant is subject to a written employment
agreement with the Company in which the term "Cause" is specifically defined,
the term shall have the same meaning for purposes of this Plan. In all other
instances, "Cause" shall mean (i) Participant's negligent or willful failure to
perform duties consistent with his or her position which is not corrected within
fifteen (15) days after written notice of such failure and an opportunity to
cure; (ii) indictment or conviction of a felony or any other crime involving
moral turpitude or dishonesty; (iii) failure or refusal to comply with Company
policies, standards or regulations that have been communicated to the
Participant and which is not corrected within fifteen (15) days after notice of
the deficiency and an opportunity to cure; (iv) conduct by the Participant that
demonstrates gross unfitness to serve in the capacity in which the Participant
is serving at the time of such conduct; (v) material violation of any agreement
with the Company (including, but not limited to, any proprietary information,
inventions, non-solicitation and/or non-competition agreements with the Company)
or of any statutory duty to the Company; or (vi) the Participant's willful
dishonesty, fraud, or misconduct with respect to the business or affairs of the
Company.

                                       1.
<PAGE>

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

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

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

     (g)  "Company" means Cidera, Inc., a Delaware corporation.

     (h)  "Consultant" means any person, including an advisor, (i) engaged by
the Company or an Affiliate to render consulting or advisory services and who is
compensated for such services or (ii) who is a member of the Board of Directors
of an Affiliate. However, the term "Consultant" shall not include either
Directors who are not compensated by the Company for their services as Directors
or Directors who are merely paid a director's fee by the Company for their
services as Directors.

     (i)  "Continuous Service" means that the Participant's service with the
Company or an Affiliate, whether as an Employee, Director or Consultant, is not
interrupted or terminated. The Participant's Continuous Service shall not be
deemed to have terminated merely because of a change in the capacity in which
the Participant renders service to the Company or an Affiliate as an Employee,
Consultant or Director or a change in the entity for which the Participant
renders such service, provided that there is no interruption or termination of
the Participant's Continuous Service. For example, a change in status from an
Employee of the Company to a Consultant of an Affiliate or a Director will not
constitute an interruption of Continuous Service. The Board or the chief
executive officer of the Company, in that party's sole discretion, may determine
whether Continuous Service shall be considered interrupted in the case of any
leave of absence approved by that party, including sick leave, military leave or
any other personal leave.

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

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

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

     (m)  "Employee" means any person employed by the Company or an Affiliate.
Mere service as a Director or payment of a director's fee by the Company or an
Affiliate shall not be sufficient to constitute "employment" by the Company or
an Affiliate.

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

     (o)  "Fair Market Value" means, as of any date, the value of the Common
Stock determined as follows:

                                       2.

<PAGE>

          (i)  If the Common Stock is listed on any established stock exchange
or traded on the Nasdaq National Market or the Nasdaq SmallCap Market, the Fair
Market Value of a share of Common Stock shall be the closing sales price for
such stock (or the closing bid, if no sales were reported) as quoted on such
exchange or market (or the exchange or market with the greatest volume of
trading in the Common Stock) on the last market trading day prior to the day of
determination, as reported in The Wall Street Journal or such other source as
the Board deems reliable.

          (ii) In the absence of such markets for the Common Stock, the Fair
Market Value shall be determined in good faith by the Board.

     (p)  "Good Reason" shall mean (i) reduction of a Participant's rate of
Compensation as in effect immediately prior to a Change in Control by greater
than ten percent (10%) without the Participant's prior written consent, except
to the extent such reduction is part of a general reduction of Compensation
affecting all or substantially all employees of the Company or affecting all or
substantially all employees at the same level as the Participant; (ii) a
material reduction of a Participant's job duties, powers or responsibilities to
a level below that which would ordinarily be assigned to an employee at the
Participant's level without his or her prior written consent (but not merely a
change in title or reporting relationships), provided that an assignment of
specific duties and functions of a Participant to someone else as a result of
Company growth and/or reorganization of the business shall not, by itself,
constitute "Good Reason" unless in the aggregate there has been a material
reduction of the Participant's job functions; (iii) a relocation of the
Participant's principal work site on other than a temporary basis to a location
that is more than fifty (50) miles away from his or her principal work site at
the time of the Change in Control, unless the new location is the same distance
or closer to the Participant's personal residence; or (iv) a failure or refusal
of any successor company to assume the obligations of the Company under an
agreement with a Participant, or a material breach by the successor company of
any of the material provisions of an agreement with such Participant. The term
"Compensation" as used herein refers to a Participant's base salary, as well as
any bonus or commission that the Participant is eligible to receive upon the
attainment of performance goals or otherwise.

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

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

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

                                       3.

<PAGE>

which disclosure would be required under Item 404(a) of Regulation S-K and is
not engaged in a business relationship as to which disclosure would be required
under Item 404(b) of Regulation S-K; or (ii) is otherwise considered a "non-
employee director" for purposes of Rule 16b-3.

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

     (u)  "Officer" means (i) before the Listing Date, any person designated by
the Company as an officer and (ii) on and after the Listing Date, 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.

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

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

     (x)  "Optionholder" means a person to whom an Option is granted pursuant to
the Plan or, if applicable, such other person who holds an outstanding Option.

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

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

     (aa) "Plan" means this Cidera, Inc. 2000 Equity Incentive Plan.

     (bb) "Rule 16b-3" means Rule 16b-3 promulgated under the Exchange Act or
any successor to Rule 16b-3, as in effect from time to time.

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

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

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

                                       4.

<PAGE>

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

3.   ADMINISTRATION.

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

     (b) Powers of Board. The Board shall have the power, subject to, and within
the limitations of, the express provisions of the Plan:

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

         (ii)  To construe and interpret the Plan and Stock Awards granted under
it, and to establish, amend and revoke rules and regulations for its
administration. The Board, in the exercise of this power, may correct any
defect, omission or inconsistency in the Plan or in any Stock Award Agreement,
in a manner and to the extent it shall deem necessary or expedient to make the
Plan fully effective.

         (iii) To amend the Plan or a Stock Award as provided in Section 12.

         (iv)  Generally, to exercise such powers and to perform such acts as
the Board deems necessary or expedient to promote the best interests of the
Company which are not in conflict with the provisions of the Plan.

     (c) Delegation to Committee.

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

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

                                       5.
<PAGE>

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

     (d)  Effect of Board's Decision. All determinations, interpretations and
constructions made by the Board in good faith shall not be subject to review by
any person and shall be final, binding and conclusive on all persons.

4.   Shares Subject to the Plan.

     (a)  Share Reserve. Subject to the provisions of Section 11 relating to
adjustments upon changes in Common Stock, the Common Stock that may be issued
pursuant to Stock Awards shall not exceed in the aggregate four million nine
hundred nine thousand eight hundred twenty-one (4,909,821) shares of Common
Stock.

     (b)  Reversion of Shares to the Share Reserve. If any Stock Award shall for
any reason expire or otherwise terminate, in whole or in part, without having
been exercised in full, the shares of Common Stock not acquired under such Stock
Award shall revert to and again become available for issuance under the Plan.

     (c)  Source of Shares. The shares of Common Stock subject to the Plan may
be unissued shares or reacquired shares, bought on the market or otherwise.

5.   Eligibility.

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

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

     (c)  Section 162(m) Limitation. Subject to the provisions of Section 11
relating to adjustments upon changes in the shares of Common Stock, no Employee
shall be eligible to be granted Options covering more than two million
(2,000,000) shares of Common Stock during any calendar year. This subsection
5(c) shall not apply prior to the Listing Date and, following the Listing Date,
this subsection 5(c) shall not apply until (i) the earliest of: (1) the first
material modification of the Plan (including any increase in the number of
shares of Common Stock reserved for issuance under the Plan in accordance with
Section 4); (2) the issuance of all of the shares of Common Stock reserved for
issuance under the Plan; (3) the expiration of the Plan; or (4) the first
meeting of stockholders at which Directors are to be

                                       6.
<PAGE>

elected that occurs after the close of the third calendar year following the
calendar year in which occurred the first registration of an equity security
under Section 12 of the Exchange Act; or (ii) such other date required by
Section 162(m) of the Code and the rules and regulations promulgated thereunder.

     (d)  Consultants.

          (i)    Prior to the Listing Date, a Consultant shall not be eligible
for the grant of a Stock Award if, at the time of grant, either the offer or the
sale of the Company's securities to such Consultant is not exempt under Rule 701
of the Securities Act ("Rule 701") because of the nature of the services the
Consultant is providing to the Company, or because the Consultant is not a
natural person, or as otherwise provided by Rule 701, unless the Company
determines that such grant need not comply with the requirements of Rule 701 and
will satisfy another exemption under the Securities Act as well as comply with
the securities laws of all other jurisdictions.

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

          (iii)  Rule 701 and Form S-8 generally are available to consultants
and advisors only if (i) they are natural persons; (ii) they provide bona fide
services to the issuer, its parents, its majority-owned subsidiaries or
majority-owned subsidiaries of the issuer's parent; and (iii) the services are
not in connection with the offer or sale of securities in a capital-raising
transaction, and do not directly or indirectly promote or maintain a market for
the issuer's securities.

                                       7.

<PAGE>

6.   Option Provisions.

     Each Option shall be in such form and shall contain such terms and
conditions as the Board shall deem appropriate. All Options shall be separately
designated Incentive Stock Options or Nonstatutory Stock Options at the time of
grant, and, if certificates are issued, a separate certificate or certificates
will be issued for shares of Common Stock purchased on exercise of each type of
Option. The provisions of separate Options need not be identical, but each
Option shall include (through incorporation of provisions hereof by reference in
the Option or otherwise) the substance of each of the following provisions:

     (a)  Term. Subject to the provisions of subsection 5(b) regarding Ten
Percent Stockholders, no Incentive Stock Option shall be exercisable after the
expiration of ten (10) years from the date it was granted.

     (b)  Exercise Price of an Incentive Stock Option. Subject to the provisions
of subsection 5(b) regarding Ten Percent Stockholders, the exercise price of
each Incentive Stock Option shall be not less than one hundred percent (100%) of
the Fair Market Value of the Common Stock subject to the Option on the date the
Option is granted. Notwithstanding the foregoing, an Incentive Stock Option may
be granted with an exercise price lower than that set forth in the preceding
sentence if such Option is granted pursuant to an assumption or substitution for
another option in a manner satisfying the provisions of Section 424(a) of the
Code.

     (c)  Exercise Price of a Nonstatutory Stock Option. The exercise price of
each Nonstatutory Stock Option shall be not less than eighty-five percent (85%)
of the Fair Market Value of the Common Stock subject to the Option on the date
the Option is granted. Notwithstanding the foregoing, a Nonstatutory Stock
Option may be granted with an exercise price lower than that set forth in the
preceding sentence if such Option is granted pursuant to an assumption or
substitution for another option in a manner satisfying the provisions of Section
424(a) of the Code.

     (d)  Consideration. The purchase price of Common Stock acquired pursuant to
an Option shall be paid, to the extent permitted by applicable statutes and
regulations, either (i) in cash at the time the Option is exercised or (ii) at
the discretion of the Board at the time of the grant of the Option (or
subsequently in the case of a Nonstatutory Stock Option) (1) by delivery to the
Company of other Common Stock, (2) according to a deferred payment or other
similar arrangement with the Optionholder or (3) in any other form of legal
consideration that may be acceptable to the Board. Unless otherwise specifically
provided in the Option, the purchase price of Common Stock acquired pursuant to
an Option that is paid by delivery to the Company of other Common Stock
acquired, directly or indirectly from the Company, shall be paid only by shares
of the Common Stock of the Company that have been held for more than six (6)
months (or such longer or shorter period of time required to avoid a charge to
earnings for financial accounting purposes). At any time that the Company is
incorporated in Delaware, payment of the Common Stock's "par value," as defined
in the Delaware General Corporation Law, shall not be made by deferred payment.

                                       8.

<PAGE>

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

     (e)  Transferability of an Incentive Stock Option. An Incentive Stock
Option shall not be transferable except by will or by the laws of descent and
distribution and shall be exercisable during the lifetime of the Optionholder
only by the Optionholder. Notwithstanding the foregoing, the Optionholder may,
by delivering written notice to the Company, in a form satisfactory to the
Company, designate a third party who, in the event of the death of the
Optionholder, shall thereafter be entitled to exercise the Option.

     (f)  Transferability of a Nonstatutory Stock Option. A Nonstatutory Stock
Option shall be transferable to the extent provided in the Option Agreement. If
the Nonstatutory Stock Option does not provide for transferability, then the
Nonstatutory Stock Option shall not be transferable except by will or by the
laws of descent and distribution and shall be exercisable during the lifetime of
the Optionholder only by the Optionholder. Notwithstanding the foregoing, the
Optionholder may, by delivering written notice to the Company, in a form
satisfactory to the Company, designate a third party who, in the event of the
death of the Optionholder, shall thereafter be entitled to exercise the Option.

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

     (h)  Termination of Continuous Service. In the event an Optionholder's
Continuous Service terminates (other than upon the Optionholder's death or
Disability), the Optionholder may exercise his or her Option (to the extent that
the Optionholder was entitled to exercise such Option as of the date of
termination) but only within such period of time ending on the earlier of (i)
the date three (3) months following the termination of the Optionholder's
Continuous Service (or such longer or shorter period specified in the Option
Agreement), or (ii) the expiration of the term of the Option as set forth in the
Option Agreement. If, after termination, the Optionholder does not exercise his
or her Option within the time specified in the Option Agreement, the Option
shall terminate.

     (i)  Extension of Termination Date. An Optionholder's Option Agreement may
also provide that if the exercise of the Option following the termination of the
Optionholder's Continuous Service (other than upon the Optionholder's death or
Disability) would be prohibited at any time solely because the issuance of
shares of Common Stock would violate the registration requirements under the
Securities Act, then the Option shall terminate on the earlier of (i) the
expiration of the term of the Option set forth in subsection 6(a) or (ii) the
expiration of a period of three (3) months after the termination of the
Optionholder's Continuous Service

                                       9.

<PAGE>

during which the exercise of the Option would not be in violation of such
registration requirements.

     (j)  Disability of Optionholder. In the event that an Optionholder's
Continuous Service terminates as a result of the Optionholder's Disability, the
Optionholder may exercise his or her Option (to the extent that the Optionholder
was entitled to exercise such Option as of the date of termination), but only
within such period of time ending on the earlier of (i) the date twelve (12)
months following such termination (or such longer or shorter period specified in
the Option Agreement) or (ii) the expiration of the term of the Option as set
forth in the Option Agreement. If, after termination, the Optionholder does not
exercise his or her Option within the time specified herein, the Option shall
terminate.

     (k)  Death of Optionholder. In the event (i) an Optionholder's Continuous
Service terminates as a result of the Optionholder's death or (ii) the
Optionholder dies within the period (if any) specified in the Option Agreement
after the termination of the Optionholder's Continuous Service for a reason
other than death, then the Option may be exercised (to the extent the
Optionholder was entitled to exercise such Option as of the date of death) by
the Optionholder's estate, by a person who acquired the right to exercise the
Option by bequest or inheritance or by a person designated to exercise the
Option upon the Optionholder's death pursuant to subsection 6(e) or 6(f), but
only within the period ending on the earlier of (1) the date eighteen (18)
months following the date of death (or such longer or shorter period specified
in the Option Agreement) or (2) the expiration of the term of such Option as set
forth in the Option Agreement. If, after death, the Option is not exercised
within the time specified herein, the Option shall terminate.

     (l)  Early Exercise. The Option may, but need not, include a provision
whereby the Optionholder may elect at any time before the Optionholder's
Continuous Service terminates to exercise the Option as to any part or all of
the shares of Common Stock subject to the Option prior to the full vesting of
the Option. Any unvested shares of Common Stock so purchased may be subject to a
repurchase option in favor of the Company or to any other restriction the Board
determines to be appropriate. The Company will not exercise its repurchase
option until at least six (6) months (or such longer or shorter period of time
required to avoid a charge to earnings for financial accounting purposes) have
elapsed following exercise of the Option unless the Board otherwise specifically
provides in the Option.

     (m)  Right of Repurchase. The Option may, but need not, include a provision
whereby the Company may elect, prior to the Listing Date (or after the Listing
Date if so specified) to repurchase all or any part of the vested shares of
Common Stock acquired by the Optionholder pursuant to the exercise of the
Option. The Company will not exercise its repurchase option until at least six
(6) months (or such longer or shorter period of time required to avoid a charge
to earnings for financial accounting purposes) have elapsed following exercise
of the Option unless the Board otherwise specifically provides in the Option.

     (n)  Right of First Refusal. The Option may, but need not, include a
provision whereby the Company may elect, prior to the Listing Date, to exercise
a right of first refusal following receipt of notice from the Optionholder of
the intent to transfer all or any part of the shares of Common Stock received
upon the exercise of the Option.

                                      10.

<PAGE>

     (O)  Re-Load Options.

          (i)    Without in any way limiting the authority of the Board to make
or not to make grants of Options hereunder, the Board shall have the authority
(but not an obligation) to include as part of any Option Agreement a provision
entitling the Optionholder to a further Option (a "Re-Load Option") in the event
the Optionholder exercises the Option evidenced by the Option Agreement, in
whole or in part, by surrendering other shares of Common Stock in accordance
with this Plan and the terms and conditions of the Option Agreement. Unless
otherwise specifically provided in the Option, the Optionholder shall not
surrender shares of Common Stock acquired, directly or indirectly from the
Company, unless such shares have been held for more than six (6) months (or such
longer or shorter period of time required to avoid a charge to earnings for
financial accounting purposes).

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

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

     (p)  Forfeiture of Profits. The Option may, but need not, include a
provision whereby the Company may require an Optionholder to pay to the Company
the amount of any profits from the sale of the shares subject to the Option in
the event the Optionholder violates any proprietary information, inventions,
non-solicitation and/or non-competition agreements with the Company.

7.   Provisions of Stock Awards other than Options.

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

                                      11.

<PAGE>

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

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

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

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

          (v)    Forfeiture of Profits. A stock bonus agreement may, but need
not, include a provision whereby the Company may require a Participant to pay to
the Company the amount of any profits from the sale of the shares subject to a
stock bonus award in the event the Participant violates any proprietary
information, inventions, non-solicitation and/or non-competition agreements with
the Company.

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

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

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

                                      12.

<PAGE>

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

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

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

          (vi)   Forfeiture of Profits. A stock purchase agreement may, but need
not, include a provision whereby the Company may require a Participant to pay to
the Company the amount of any profits from the sale of the shares subject to a
restricted stock award in the event the Participant violates any proprietary
information, inventions, non-solicitation and/or non-competition agreements with
the Company.

8.   Covenants of the Company.

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

     (b)  Securities Law Compliance. The Company shall seek to obtain from each
regulatory commission or agency having jurisdiction over the Plan such authority
as may be required to grant Stock Awards and to issue and sell shares of Common
Stock upon exercise of the Stock Awards; provided, however, that this
undertaking shall not require the Company to register under the Securities Act
the Plan, any Stock Award or any Common Stock issued or issuable pursuant to any
such Stock Award. If, after reasonable efforts, the Company is unable to obtain
from any such regulatory commission or agency the authority which counsel for
the Company deems necessary for the lawful issuance and sale of Common Stock
under the Plan, the Company shall be relieved from any liability for failure to
issue and sell Common Stock upon exercise of such Stock Awards unless and until
such authority is obtained.

9.   Use of Proceeds from Stock.

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

10.  Miscellaneous.

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

                                      13.

<PAGE>

provisions in the Stock Award stating the time at which it may first be
exercised or the time during which it will vest.

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

     (c)  No Employment or other Service Rights. Nothing in the Plan or any
instrument executed or Stock Award granted pursuant thereto shall confer upon
any Participant any right to continue to serve the Company or an Affiliate in
the capacity in effect at the time the Stock Award was granted or shall affect
the right of the Company or an Affiliate to terminate (i) the employment of an
Employee with or without notice and with or without cause, (ii) the service of a
Consultant pursuant to the terms of such Consultant's agreement with the Company
or an Affiliate or (iii) the service of a Director pursuant to the Bylaws of the
Company or an Affiliate, and any applicable provisions of the corporate law of
the state in which the Company or the Affiliate is incorporated, as the case may
be.

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

     (e)  Investment Assurances. The Company may require a Participant, as a
condition of exercising or acquiring Common Stock under any Stock Award, (i) to
give written assurances satisfactory to the Company as to the Participant's
knowledge and experience in financial and business matters and/or to employ a
purchaser representative reasonably satisfactory to the Company who is
knowledgeable and experienced in financial and business matters and that he or
she is capable of evaluating, alone or together with the purchaser
representative, the merits and risks of exercising the Stock Award; and (ii) to
give written assurances satisfactory to the Company stating that the Participant
is acquiring Common Stock subject to the Stock Award for the Participant's own
account and not with any present intention of selling or otherwise distributing
the Common Stock. The foregoing requirements, and any assurances given pursuant
to such requirements, shall be inoperative if (1) the issuance of the shares of
Common Stock upon the exercise or acquisition of Common Stock under the Stock
Award has been registered under a then currently effective registration
statement under the Securities Act or (2) as to any particular requirement, a
determination is made by counsel for the Company that such requirement need not
be met in the circumstances under the then applicable securities laws. The
Company may, upon advice of counsel to the Company, place legends on stock
certificates issued under the Plan as such counsel deems necessary or
appropriate in order to comply with applicable securities laws, including, but
not limited to, legends restricting the transfer of the Common Stock.

     (f)  Withholding Obligations. To the extent provided by the terms of a
Stock Award Agreement, the Participant may satisfy any federal, state or local
tax withholding obligation

                                      14.

<PAGE>

relating to the exercise or acquisition of Common Stock under a Stock Award by
any of the following means (in addition to the Company's right to withhold from
any compensation paid to the Participant by the Company) or by a combination of
such means: (i) tendering a cash payment; (ii) authorizing the Company to
withhold shares of Common Stock from the shares of Common Stock otherwise
issuable to the Participant as a result of the exercise or acquisition of Common
Stock under the Stock Award, provided, however, that no shares of Common Stock
are withheld with a value exceeding the minimum amount of tax required to be
withheld by law; or (iii) delivering to the Company owned and unencumbered
shares of Common Stock.

     (g)  Cancellation and Re-Grant of Options.

          (i)  Authority to Reprice. The Board shall have the authority to
effect, at any time and from time to time, (1) the repricing of any outstanding
Options under the Plan and/or (2) with the consent of any adversely affected
holders of Options, the cancellation of any outstanding Options under the Plan
and the grant in substitution therefor of new Options under the Plan covering
the same or different numbers of shares of Common Stock. The exercise price per
share of Common Stock shall be not less than that specified under the Plan for
newly granted Stock Awards. Notwithstanding the foregoing, the Board may grant
an Option with an exercise price lower than that set forth above if such Option
is granted as part of a transaction to which Section 424(a) of the Code applies.

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

11.  Adjustments upon Changes in Stock.

     (a)  Capitalization Adjustments. If any change is made in the Common Stock
subject to the Plan, or subject to any Stock Award, without the receipt of
consideration by the Company (through merger, consolidation, reorganization,
recapitalization, reincorporation, stock dividend, dividend in property other
than cash, stock split, liquidating dividend, combination of shares, exchange of
shares, change in corporate structure or other transaction not involving the
receipt of consideration by the Company), the Plan will be appropriately
adjusted in the class(es) and maximum number of securities subject to the Plan
pursuant to subsection 4(a) and the maximum number of securities subject to
award to any person pursuant to subsection 5(c), and the outstanding Stock
Awards will be appropriately adjusted in the class(es) and number of securities
and price per share of Common Stock subject to such outstanding Stock Awards.
The Board shall make such adjustments, and its determination shall be final,
binding and conclusive. (The conversion of any convertible securities of the
Company shall not be treated as a transaction "without receipt of consideration"
by the Company).

                                      15.

<PAGE>

          (b)  Change in Control--Dissolution or Liquidation.  In the event of a
dissolution or liquidation of the Company, then all outstanding Stock Awards
shall terminate immediately prior to such event.

          (c)  Change in Control--Asset Sale, Merger, Consolidation or Reverse
Merger. In the event of (i) a sale, lease or other disposition of all or
substantially all of the assets of the Company, (ii) a merger or consolidation
in which the Company is not the surviving corporation or (iii) a reverse merger
in which the Company is the surviving corporation but the shares of Common Stock
outstanding immediately preceding the merger are converted by virtue of the
merger into other property, whether in the form of securities, cash or
otherwise, then any surviving corporation or acquiring corporation shall assume
any Stock Awards outstanding under the Plan or shall substitute similar stock
awards (including an award to acquire the same consideration paid to the
stockholders in the transaction described in this subsection 11(c) for those
outstanding under the Plan). In the event any surviving corporation or acquiring
corporation refuses to assume such Stock Awards or to substitute similar stock
awards for those outstanding under the Plan, then with respect to Stock Awards
held by Participants whose Continuous Service has not terminated, the vesting of
such Stock Awards (and, if applicable, the time during which such Stock Awards
may be exercised) shall be accelerated in full, and the Stock Awards shall
terminate if not exercised (if applicable) at or prior to such event. With
respect to any other Stock Awards outstanding under the Plan, such Stock Awards
shall terminate if not exercised (if applicable) prior to such event.

          (d)  Change in Control--Termination of Continuous Service.

               (i)   If the Continuous Service of a Participant is either
involuntarily without Cause or is voluntarily terminated for a Good Reason on
within eighteen (18) months after the date of a Change in Control under Section
11(c) of the Plan, then the vesting of such Participant's Stock Award at the
time of the Change in Control (and, if applicable, the time during which such
Stock Award may be exercised) shall be accelerated in full and the Participant's
Options, if any, subject to this Plan shall immediately become exercisable in
full.

               (ii)  Any purported voluntarily termination of the Continuous
Service of a Participant for Good Reason shall be communicated by a notice of
termination to the Company, and shall state the specific termination provisions
relied upon and set forth in reasonable detail the facts and circumstances
claimed to provide a basis for such termination.

               (iii) If any payment or benefit that the Participant would
receive under this Plan when combined with any other payment or benefit he or
she receives pursuant to the termination of his employment with the Company
(collectively, the "Payment") would (i) constitute a "parachute payment" within
the meaning of Section 280G of the Code, and (ii) but for this sentence, be
subject to the excise tax imposed by Section 4999 of the Code (the "Excise
Tax"), then such Payment shall be either (x) the full amount of such Payment or
(y) such lesser amount (with cash payments being reduced before stock
compensation) as would result in no portion of the Payment being subject to the
Excise Tax, whichever of the foregoing amounts, taking into account the
applicable federal, state and local employment taxes, income taxes, and the
Excise Tax, results in the Participant's receipt, on an after-tax basis, of the
greater amount notwithstanding that all or some portion of the Payment may be
subject to the Excise Tax.

                                      16.

<PAGE>

Participant shall be solely responsible for the payment of all personal tax
liability that is incurred as a result of the payments and benefits received
under this Plan or other applicable agreements, and Participant will not be
reimbursed by the Company for any such payment.

               (iv)  All determinations required to be made under Section
11(d)(iii) shall be made by the Company's independent public accountants (the
"Accountants"). The Accountants shall provide detailed supporting calculations
both to the Company and the Participant within thirty (30) business days of the
date that the Participant's employment with the Company terminates or such
earlier time as is requested by the Company. For purposes of making the
calculations required by Section 11(d)(iii), the Accountants may make reasonable
assumptions and approximations concerning applicable taxes and may rely on
reasonable, good faith determinations concerning the application of the Code.
The Company and the Participant shall furnish to the Accountants such
information and documents as the Accountants may reasonably request in order to
make a determination under Section 11(d)(iii). The Company shall bear all costs
the Accountants may reasonably incur in connection with any calculations
contemplated by this Section. Any such determination by the Accountants shall be
binding upon the Company and Participant. Within five (5) days after receipt of
the calculations, the Company shall pay to or distribute to or for the benefit
of the Participant such amounts as are then due to him or her under this
Agreement.

               (v)   As a result of the uncertainty in the application of
Section 280G of the Code at the time of the initial determination by the
Accountants hereunder, it is possible that a Payment or Payments, as the case
may be, will have been made by the Company that should not have been made
("Overpayment") or that an additional Payment or Payments, as the case may be,
which will not have been made by the Company could have been made
("Underpayment"), in each case, consistent with the calculations required to be
made hereunder. In the event that the Accountants, based upon the assertion of
the deficiency by the Internal Revenue Service against Participant or the
Company that the Accountant believe has a high probability of success, determine
that an Overpayment has been made, any such overpayment paid or distributed by
the Company to or for the benefit of Participant shall be treated for all
purposes as a loan ab initio to Participant that he shall repay to the Company
together with interest at the applicable federal rate provided for in Section
7872(f)(2) of the Code; provided, however, that no such loan shall be deemed to
have been made and no amount shall be payable by the Participant to the Company
if and to the extent such deemed loan and payment would not either reduce the
amount on which the Participant is subject to tax under Section 1 and Section
4999 of the Code or generate a refund of such taxes. In the event that the
Accountants, based upon controlling precedent or other substantial authority,
determine that an Underpayment has occurred, any such Underpayment shall be
promptly paid by the Company to or for the benefit of the Participant together
with interest at the applicable federal rate provided for in Section 7872(f)(2)
of the Code.

         (e)  Change in Control--Securities Acquisition. After the Listing Date,
in the event of an acquisition by any person, entity or group within the meaning
of Section 13(d) or 14(d) of the Exchange Act, or any comparable successor
provisions (excluding any employee benefit plan, or related trust, sponsored or
maintained by the Company or an Affiliate) of the beneficial ownership (within
the meaning of Rule 13d-3 promulgated under the Exchange Act, or comparable
successor rule) of securities of the Company representing at least fifty percent
(50%)

                                      17.

<PAGE>

of the combined voting power entitled to vote in the election of Directors and
provided that such acquisition is not a result of, and does not constitute a
transaction described in subsection 11(c) hereof, then with respect to Stock
Awards held by Participants whose Continuous Service has not terminated, the
vesting of such Stock Awards (and, if applicable, the time during which such
Stock Awards may be exercised) shall be accelerated in full.

         (f)  Change in Control--Change in Incumbent Board. In the event that
the individuals who, as of the date of the adoption of this Plan, are members of
the Board (the "Incumbent Board"), cease for any reason to constitute at least
fifty percent (50%) of the Board and provided that such change in the Incumbent
Board does not occur solely as a result of and/or following a transaction
described in subsection 11(c) hereof, then with respect to Stock Awards held by
persons whose Continuous Service has not terminated, the vesting of such Stock
Awards (and, if applicable, the time during which such Stock Awards may be
exercised) shall be accelerated in full. If the election, or nomination for
election, by the Company's stockholders of any new Director was approved by a
vote of at least fifty percent (50%) of the Incumbent Board, such new Director
shall be considered as a member of the Incumbent Board.

12.  Amendment of the Plan and Stock Awards.

     (a)  Amendment of Plan. The Board at any time, and from time to time, may
amend the Plan. However, except as provided in Section 11 relating to
adjustments upon changes in Common Stock, no amendment shall be effective unless
approved by the stockholders of the Company to the extent stockholder approval
is necessary to satisfy the requirements of Section 422 of the Code, Rule 16b-3
or any Nasdaq or securities exchange listing requirements.

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

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

     (d)  No Impairment of Rights. Rights under any Stock Award granted before
amendment of the Plan shall not be impaired by any amendment of the Plan unless
(i) the Company requests the consent of the Participant and (ii) the Participant
consents in writing.

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

13.  Termination or Suspension of the Plan.

                                      18.

<PAGE>

     (a)  Plan Term.  The Board may suspend or terminate the Plan at any time.
Unless sooner terminated, the Plan shall terminate on the day before the tenth
(10th) anniversary of the date the Plan is adopted by the Board or approved by
the stockholders of the Company, whichever is earlier. No Stock Awards may be
granted under the Plan while the Plan is suspended or after it is terminated.

     (b)  No Impairment of Rights. Suspension or termination of the Plan shall
not impair rights and obligations under any Stock Award granted while the Plan
is in effect except with the written consent of the Participant.

14.  Effective Date of Plan.

     The Plan shall become effective as determined by the Board, but no Stock
Award shall be exercised (or, in the case of a stock bonus, shall be granted)
unless and until the Plan has been approved by the stockholders of the Company,
which approval shall be within twelve (12) months before or after the date the
Plan is adopted by the Board.

15.  Choice of Law.

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

                                      ***

                                      19.

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