Document:

<PAGE>

*Confidential treatment has been requested with respect to certain information
contained in this document. Confidential portions have been omitted from the
public filing and have been filed separately with the Securities and Exchange
Commission.

                                                                   EXHIBIT 10.51

                   ASSET PURCHASE AND CO-MARKETING AGREEMENT

     THIS ASSET PURCHASE AND CO-MARKETING AGREEMENT (this "Agreement") is made
as of March 7, 2000 (the "Effective Date"), by and between DoveBid, Inc., a
Delaware corporation with offices at 1241 East Hillsdale Blvd. Foster City,
California 94404 ("DoveBid"), and Comdisco, Inc., a Delaware corporation with
offices at 6111 North River Road, Rosemont, IL 60018 ("Comdisco").

                                   RECITALS

     A.   DoveBid and certain investors, including Comdisco, entered into that
certain Series C Preferred Stock Purchase Agreement dated February 25, 2000 (the
"Stock Purchase Agreement"), pursuant to which DoveBid agreed to sell to
Comdisco and Comdisco agreed to purchase from DoveBid a specified number of
shares of DoveBid's Series C Preferred Stock.

     B.   Under the Stock Purchase Agreement, DoveBid's obligation to sell
shares of its Series C Preferred Stock to Comdisco is subject to DoveBid and
Comdisco entering into this Agreement, pursuant to which Comdisco will sell to
DoveBid certain of the specified assets as consideration for such stock.

     C.   Comdisco has leased certain of the specified assets to [*] and
Comdisco is free to sell the assets subject to the terms of the [*].

     D.   DoveBid desires to purchase certain of the specified assets for cash
consideration.

     E.   DoveBid and Comdisco also desire to enter into this Agreement to
establish the terms of a co-marketing relationship between the parties.

     NOW, THEREFORE, in consideration of the above recitals and the mutual
covenants hereinafter set forth, DoveBid and Comdisco hereby agree as follows:

1.   CERTAIN DEFINITIONS
     -------------------

     The following terms shall have the following meanings in this Agreement:

*Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.
<PAGE>

     "Applicable Law" means all applicable provisions of all statutes, laws
(including the common law), rules, regulations, ordinances, codes of any
Governmental Authority, and all orders, decisions, injunctions, judgments,
findings, awards and decrees of or agreements with any Governmental Authority.

     "Cash Consideration" means the amount equal to [*], payable by DoveBid to
Comdisco pursuant to Section 3.1.

     "Comdisco Affiliate" means any company in which Comdisco holds: (i) a
majority ownership; or (ii) an ownership interest equal to or in excess of
twenty percent (20%) combined with either: (A) voting control or (B) two (2) or
more board of directors' seats.

     "Encumbrances" means all mortgages, pledges, liens, licenses, rights of
possession, security interests, restrictions, encumbrances, charges, title
retention, conditional sale or other security arrangements and all claims,
restrictions, or agreements of any nature whatsoever.

     "Governmental Authority" means any national government, federal, state
other political subdivision thereof, any entity exercising executive,
legislative, judicial, regulatory or administrative functions of or pertaining
to government, including, without limitation, any government authority, agency,
department, board, commission, court or instrumentality of the United states,
any state of the United States or any political subdivision thereof, and any
tribunal or arbitrator'(s) of competent jurisdiction.

     "Intellectual Property Rights" means and includes all worldwide
intellectual and other proprietary rights, including without limitation: (i)
copyrights, trademarks and service marks (and all applications and registrations
related thereto), (ii) all design rights, patents, patent applications, and
patent rights, (iii) all trade secret rights, know-how, contract rights,
proprietary information rights, rights of priority, rights of publicity, moral
rights, (iv) all rights to secure renewals, reissuances and extensions of the
above, (vi) all claims and/or causes of action of any kind for any past or
future infringements upon, or other misappropriations or violations of any of
the foregoing, and (vii) any other similar rights existing under judicial or
statutory law of any country in the world or under any treaty.

     "Purchased Assets" means those Comdisco assets identified on Exhibit A.
                                                                  ---------

     "Purchased Assets Value" means the corresponding agreed upon resale value
for the Purchased Assets, as specified on Exhibit A.
                                          ---------

2.   PURCHASE AND SALE OF ASSETS
     ---------------------------

     2.1  Agreement to Sell and Purchase Assets.  Subject to the terms and
          -------------------------------------
conditions of this Agreement, Comdisco agrees to sell, assign, transfer and
convey to DoveBid at the Closing (as defined in Section 3.3), and DoveBid agrees
to purchase and acquire from Comdisco at the Closing, all of Comdisco's right,
title and interest in and to all of the Purchased Assets.  The Purchased Assets
will be sold, assigned, transferred and conveyed to DoveBid (as provided in

*Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.

                                       2
<PAGE>

Section 2.2) on the Closing Date (as defined in Section 3.3), free and clear of
all Encumbrances, other than the purchase money security interest of Comdisco
with respect to the [*] equipment as described on Exhibit A hereto (hereinafter
                                                  ---------
"[*] Equipment") until payment in full of the Cash Consideration.

     2.2  Passage of Title; Delivery; Inspection.
          --------------------------------------

          (a)  Title Passage.  Except as otherwise provided in this Section 2,
               -------------
upon the Closing, all right, title and interest in and to all of the Purchased
Assets shall pass to DoveBid, and Comdisco shall deliver to DoveBid possession
of all of the Purchased Assets subject to the provisions of Section 2.2(c)
hereof.  Comdisco agrees to also deliver to DoveBid a Bill of Sale substantially
in the form attached as Exhibit B ("Bill of Sale") and such other instruments
                        ---------
and conveyances that DoveBid may reasonably deem necessary or desirable (both at
and after the Closing) sufficient to convey to DoveBid good and marketable title
to all of the Purchased Assets, free and clear of all Encumbrances other than
the purchase money security interest of Comdisco in the [*] Equipment until
payment in full of the Cash Consideration.  Comdisco acknowledges and agrees
that DoveBid will retain any and all proceeds from DoveBid's resale of any of
the Purchased Assets.

          (b)  Software Licenses.  To the extent that the Purchased Assets
               -----------------
include any software and Comdisco is the licensee and has the right to assign
such license rights, Comdisco hereby agrees, upon request of DoveBid, at
DoveBid's sole expense, to assign such license rights and agrees to undertake
whatever action that DoveBid may reasonably deem necessary or desirable,
including the execution of documents (both at and after the Closing) in
furtherance thereof.

          (c)  Delivery of Purchased Assets.  DoveBid has requested and Comdisco
               ----------------------------
has agreed to store the Purchased Assets, other than as set forth below, at
Comdisco's facilities in Massachusetts and California for a period not to exceed
thirty (30) days from the Closing Date (the "Purchased Assets Storage Period").
On or prior to the expiration of the Purchased Assets Storage Period, DoveBid
and Comdisco shall enter into an agreement with regard to services to be
provided by Comdisco in connection with the storage, packaging, refurbishing and
such other services as shall be agreed upon between the parties and the related
fees for such services.  In the event the parties do not enter into an agreement
within such period, DoveBid will pick up, at its expense, the Purchased Assets
from Comdisco's facilities within fifteen (15) business days thereof and for
each day thereafter, DoveBid shall pay Comdisco as liquidated damages, an amount
of $5000 per day.  DoveBid acknowledges that certain of the Purchased Assets, as
specified on Exhibit A as "[*]", are located [*] and DoveBid's possession
             ---------
thereof is subject to [*].  Comdisco shall have risk of loss for the Purchased
Assets remaining at Comdisco's facilities for the period specified above.  Risk
of loss for the Purchased Assets located [*] shall transfer to DoveBid on the
Closing Date.

          (d)  Inspection of Purchased Assets. Within fifteen (15) business days
               ------------------------------
following the Closing, DoveBid will conduct an inspection of the Purchased
Assets, other than the Purchased Assets located [*], to verify that such assets
correspond to the list thereof as set

*Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.

                                       3
<PAGE>

forth in Exhibit A and to document the condition of such assets. The result of
         ---------
DoveBid's inspection will be set forth in a written report (the "Purchased
Assets Inspection Report"), which DoveBid will promptly furnish to Comdisco. If
such an inspection reveals that any of the Purchased Assets are missing,
Comdisco will promptly pay DoveBid the Purchased Asset Values (as set forth in
Exhibit A) for such missing Purchased Assets or provide DoveBid a like-kind
---------
replacement with a comparable Purchased Assets Value. If Comdisco provides
DoveBid with a like-kind replacement of any of the Purchased Assets, DoveBid
will amend the Purchased Assets Inspection Report as appropriate. At the end of
the earlier of (i) the expiration of the Purchased Assets Storage Period (or any
mutually agreed-upon extension thereof); and (ii) the date on which DoveBid
removes the Purchased Assets from Comdisco's facilities, DoveBid will conduct a
second inspection of the Purchased Assets, other than the Purchased Assets
located [*], to verify that such assets correspond to the Purchased Assets
Inspection Report (as amended, if applicable). If the second inspection reveals
that any of the Purchased Assets are missing or are damaged, based on the
information contained in the Purchased Assets Inspection Report (as amended, if
applicable), Comdisco will promptly pay DoveBid the Purchased Asset Value (as
set forth in Exhibit A) for such missing Purchased Assets or provide DoveBid a
             ---------
like-kind replacement with a comparable Purchased Assets Value.

     2.3  Repurchase of Purchased Assets.  Subsequent to the Closing, Comdisco
          ------------------------------
will have the right to request DoveBid to sell to Comdisco any of the Purchased
Assets. Upon such request, DoveBid will sell such Purchased Assets to Comdisco
at prices equal to the applicable Purchased Assets Value, and subject DoveBid's
standard auction terms.

3.   PURCHASE PRICE; PAYMENTS
     ------------------------

     3.1  Purchase Price. In consideration of the sale, assignment, transfer and
          --------------
conveyance of all the Purchased Assets to DoveBid at the Closing free and clear
of all Encumbrances, other than a purchase money security interest in favor of
Comdisco, DoveBid shall (i) pay to Comdisco on or after the Closing, but in no
event later than March 31, 2000, by wire transfer the Cash Consideration, and
(ii) issue to Comdisco [*] shares of DoveBid's Series C Preferred Stock in the
form of a stock certificate, in accordance with the terms and conditions
specified in the Stock Purchase Agreement.

     3.2  Expenses and Taxes. Each party will bear its own attorneys,
          ------------------
accountants, financial advisors and other fees and costs related to this
transaction, including preparation of this Agreement. DoveBid will either pay
all sales, transfer, bulk sales and use tax associated with the transaction
hereby contemplated and the transfer of the Purchased Assets or will provide
resale certificates to Comdisco in connection therewith and will indemnify
Comdisco and its shareholders, officers, directors, employees and agents, from
all loss, liability, damage, claim, risk and expense (including reasonable
attorneys' fees) occasioned by DoveBid's failure to pay such taxes in the
absence of an exemption therefrom.

     3.3  Closing.  The consummation of the transaction contemplated hereby
          -------
will take place at a closing to be held at the offices of Fenwick & West LLP
located at Palo Alto Square, Palo Alto, California (the "Closing") at 10:00 am
on March 7, 2000, or at such other time or

*Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.

                                       4
<PAGE>

date, and at such place, or by such other means of exchanging documents, as may
be agreed to by the parties hereto. The date on which the Closing activity
occurs will be referred to as the "Closing Date".

4.  CO-MARKETING RELATIONSHIP.
    -------------------------

    4.1   Right of First Refusal.  Comdisco hereby grants to DoveBid the right
          ----------------------
of first refusal (the "Right of First Refusal") to act as the exclusive provider
of third-party auction services for the sale of all Comdisco [*] manufacturing
equipment and [*] and [*] and [*] equipment (collectively, "Designated Comdisco
Equipment"), subject to the following terms:

          (a)  The Right of First Refusal will apply to the sale of all
Designated Comdisco Equipment that Comdisco elects to dispose of by auction
through a third party ("Designated Assets"). The Right of First Refusal will not
apply to any sale of assets by Comdisco or a Comdisco Affiliate through its own
channels, which shall include, but not be limited to, direct sales, Web sales,
auctions, or any other form of remarketing by Comdisco or a Comdisco Affiliate.
Comdisco may, but is not obligated to, offer DoveBid assets for auction other
than the Designated Comdisco Equipment. Any such assets offered to DoveBid shall
be considered Designated Assets for the purposes of Sections 4.1(c) and (d).

          (b)  During the Co-Marketing Term (as defined in Section 4.6),
Comdisco's [*] division will list a minimum of [*] of [*] assets on DoveBid's
24x7 Web site.  All such assets shall be considered Designated Assets for the
purposes of Sections 4.1(c) and (d).  DoveBid will charge Comdisco its standard
five percent (5%) commission rate for the sale of such assets on DoveBid's 24x7
Web site, for a total anticipated commission with respect to such assets of [*]
(the "Minimum Commissions").  If, as of the end of the Co-Marketing Term,
DoveBid has received less than the Minimum Commissions, then Comdisco will
promptly pay DoveBid an amount equal to the Minimum Commissions less any
commissions actually received by DoveBid for the sale of such assets.

          (c)  Prior to putting any Designated Assets up for auction, Comdisco
will provide DoveBid with a list of such assets containing Comdisco's reserve
price for each asset (a "Designated Assets List").  DoveBid will have a period
of [*] days from the date of receipt of Comdisco's Designated Asset List to
accept or reject the Designated Assets for auction on such reserve price terms.
In the event DoveBid elects to reject the Designated Assets for auction,
Comdisco may enter into agreements with any third party for the disposal of such
assets so long as the reserve prices for the assets are not less than those
identified in Comdisco's Designated Asset List.  If DoveBid accepts the
Designated Assets for auction, DoveBid will have the exclusive right to sell
such assets for a reasonable period of time, of not less than [*] days, as shall
be agreed upon by the parties (each, an "Auction Duration"), and upon auction
terms and conditions substantially in the form attached hereto as Exhibit C (the
                                                                  ---------
"Auction Terms"), as negotiated at the time such assets are presented by DoveBid
for auction, including the fee-sharing arrangement between DoveBid and Comdisco
in connection therewith.  Comdisco and DoveBid will enter into a Schedule
substantially in the form attached hereto as Exhibit D for any auctions of
                                             ---------
Designated Assets accepted by DoveBid under this Section 4.1.  Comdisco will
retain

*Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.

                                       5
<PAGE>

title to Designated Assets that DoveBid accepts for auction, but DoveBid may
warehouse such assets, as mutually agreed by the parties.

          (d)  In the event that DoveBid does not sell such Designated Assets in
accordance with the applicable Auction Terms, Comdisco will have the right to
rescind DoveBid's right to sell such assets, DoveBid will remove such assets
from DoveBid's auction and, to the extent applicable, return such assets to
Comdisco, within five (5) business days of receipt of written notice thereof
from Comdisco, and Comdisco shall have the right to sell such Designated Assets
through its own channels or via any third party.  In addition, Comdisco shall
have the right to review DoveBid's performance hereunder at the expiration of
the fifth (5/th/) month after the Closing Date.  If, as a result of such a
review, Comdisco determines that DoveBid has failed to auction, within the
applicable Auction Durations, a percentage of Designated Assets equal to or in
excess of [*] of the aggregate Designated Assets allocated to DoveBid for
auction during such Auction Durations, as measured by dollar amount of assets
based upon reserve prices, DoveBid's Right of First Refusal shall be terminated
upon receipt of written notice thereof from Comdisco.

          4.2  Exclusivity.  As long as the Right of First Refusal (as defined
               -----------
in Section 4.1) remains in effect, DoveBid agrees not to enter into a co-
marketing relationship with a company that provides services similar to Comdisco
for the auction of [*] or [*] equipment, subject to the following terms:

          (a)  DoveBid will not [*] auction services for the sale of types of
equipment substantially similar to the Designated Comdisco Equipment of any
other company that provides equipment financing and asset management services
for third parties in the [*] or [*] sectors [*].

          (b)  Nothing will restrict DoveBid from auctioning equipment used by a
[*] for its own internal needs [*].

          (c)  Nothing will restrict DoveBid from auctioning equipment used by
any company for its internal needs regardless of the source of lease or capital
financing used by the company [*].

          (d)  Nothing will restrict third parties (including, without
limitation, [*]) from [*] assets for auction on DoveBid's Web site.

          (e)  Prior to selling aggregated assets in the [*] or [*] sectors for
auction on DoveBid's Web site, DoveBid will seek to identify with Comdisco
opportunities to refurbish certain "big ticket" assets for resale through
Comdisco's channels.  The terms of any such transaction would be mutually agreed
by DoveBid and Comdisco.

          (f)  DoveBid will allow Comdisco [*] to the [*] in [*] for the
Designated Comdisco Equipment sectors ("[*]") solely for Comdisco's internal use
only.  Comdisco will not have the right to [*] any of [*] or permit its use by
any third party.

*Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.

                                       6
<PAGE>

     4.3  Marketing Branding.  The parties will enter into joint marketing
          ------------------
programs to promote the parties' co-marketing relationship subject to the
following terms:

          (a)  Any use by DoveBid of the Comdisco name or any Comdisco trademark
shall be subject to Comdisco's prior (i) review of the proposed marketing
materials, press releases, announcements or similar documentation and (ii)
written consent.  Any such use by DoveBid of Comdisco's name or any Comdisco
trademark must be in compliance with Comdisco's standard trademark usage
guidelines.

          (b)  Any use by Comdisco of the DoveBid name or any DoveBid trademark
shall be subject to DoveBid's prior (i) review of proposed marketing materials,
press releases, announcements or similar documentation and (ii) written consent.
Any such use by Comdisco of DoveBid's name or any DoveBid trademark must be in
compliance with DoveBid's standard trademark usage guidelines.

     4.4  Further Collaboration.  DoveBid and Comdisco may extend the terms of
          ---------------------
the [*] and [*] as provided [*], respectively, by mutual written agreement. In
addition, the parties will work together to identify other areas in which they
can collaborate, including the auction of assets other than the Designated
Comdisco Equipment, such as [*], [*] and [*].

     4.5  Non-Solicitation.  DoveBid and Comdisco will not solicit for hire any
          ----------------
employee of the other during the term of this Agreement or for one (1) year
thereafter.

     4.6  Term of Co-Marketing Relationship.  Unless terminated earlier in
          ---------------------------------
accordance with the terms hereof, the parties' co-marketing relationship, as set
forth in Sections 4.1 through 4.5, will be in force for a term of one (1) year
from the Closing Date, unless otherwise mutually agreed between the parties (the
"Co-Marketing Term").  Either party may terminate the Co-Marketing Term upon
notice to the other party if the other party commits a material breach of any
representation, warranty, term or condition thereof and fails to cure such
breach within thirty (30) days following receipt of written notice thereof.

5.   OBLIGATIONS AND LIABILITIES NOT ASSUMED
     ---------------------------------------

     5.1  Liabilities and Obligations Not Assumed.  Except for the obligations
          ---------------------------------------
arising following the Closing under any software licenses assigned by Comdisco
to DoveBid pursuant to Section 2.2 (b) hereof and any obligations arising in
connection with Comdisco's assignment to DoveBid of Comdisco's rights and
interests under [*], DoveBid has not and will not, by the execution, delivery or
performance of this Agreement, or otherwise, assume or otherwise become
responsible for any liability or obligation of any nature of Comdisco, including
without limitation any tax liabilities related to the Purchased Assets arising
prior to the Closing ("Pre-Closing Risks"). Comdisco hereby agrees to indemnify,
defend and hold DoveBid and its shareholders, officers, directors, employees and
agents, harmless from and against all loss, liability, claims and expenses
(including reasonable attorneys' fees) related to such Pre-Closing Risks.

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities Exchange Commission.

                                       7
<PAGE>

     5.2  No Obligations to Third Parties.  The execution and delivery of this
          -------------------------------
Agreement shall not be deemed to confer any rights upon any person or entity
other than the parties hereto, or to make any person or entity a third-party
beneficiary of this Agreement, or to obligate the parties to any person or
entity other than the parties to this Agreement.

6.   REPRESENTATIONS AND WARRANTIES OF DOVEBID
     -----------------------------------------

     DoveBid represents and warrants to Comdisco that all of the following
statements are true, accurate and correct:

     6.1  Corporate Organization.  DoveBid is a corporation duly organized,
          ----------------------
validly existing and in good standing under the laws of the State of Delaware.
DoveBid has all necessary corporate power and authority to enter into this
Agreement and all other documents that DoveBid may be required to enter into in
connection with this Agreement.

     6.2  Authorization for this Agreement.  The execution and delivery of this
          --------------------------------
Agreement and each other agreement or instrument referenced herein by DoveBid,
and the performance by DoveBid of its obligations hereunder and thereunder have
been duly authorized by the Board of Directors of DoveBid, and, if required by
law or agreement, its shareholders, and no further corporate or other action or
approval is required in order to constitute such agreements as binding and
enforceable.

     6.3  No Conflicts. The execution, delivery and performance by DoveBid of
          ------------
this Agreement and each other agreement or instrument referenced herein by
DoveBid, and the consummation of the transactions contemplated thereby, do not
and will not conflict with or result in a violation of or a default under (with
or without the giving of notice or the lapse of time or both) (a) DoveBid's
articles of incorporation or by-laws or other organizational documents, (b) any
Applicable Law applicable to DoveBid, or (c) any contract, agreement or other
instrument to which DoveBid is a party or by which DoveBid may be bound or
affected. No consent, approval, order or authorization of, or registration,
qualification, designation, declaration or filing with, any Governmental
Authority on the part of DoveBid is required in connection with the execution,
delivery and performance of the Agreement by DoveBid or the consummation of the
transactions contemplated thereby, except those as shall have been obtained or
made prior to Closing.

     6.4  Brokerage and Finder's Fees.  Neither DoveBid nor any of its
          ---------------------------
affiliates has employed any broker, finder or agent, or agreed to pay or incur
any brokerage fee, finder's fee or commission with respect to the transactions
contemplated by this Agreement, or dealt with anyone purporting to act in the
capacity of a broker, finder or agent with respect thereto as a result of which
any claim for a fee can be asserted against Comdisco.

     6.5  Full Disclosure.  No representation or warranty by DoveBid in this
          ---------------
Agreement, contains any untrue statement of a material fact or omits to state a
material fact or circumstance required to be stated therein or necessary in
order to make such statements, in light of the circumstances under which they
were made, not misleading. The copies of all documents

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities Exchange Commission.

                                       8
<PAGE>

furnished by DoveBid to Comdisco, its affiliates and agents pursuant to or in
connection with this Agreement and the transactions contemplated hereby are
complete and accurate.

7.   REPRESENTATIONS AND WARRANTIES OF COMDISCO
     ------------------------------------------

     Comdisco represents and warrants to DoveBid that all of the following
statements are true, accurate and correct:

     7.1  Corporate Organization.  Comdisco is a corporation duly organized,
          ----------------------
validly existing and in good standing under the laws of the State of Delaware,
and has all necessary corporate power and authority and the legal right to own
the Purchased Assets. Comdisco has all necessary corporate power and authority
to enter into this Agreement and all of the other agreements and instruments
required to be executed or delivered by Comdisco hereunder collectively
"Collateral Agreements").

     7.2  Authorization for this Agreement.  The execution and delivery of this
          --------------------------------
Agreement and each of the Collateral Agreements herein by Comdisco and the
performance by Comdisco of its obligations hereunder and thereunder have been
duly authorized by the Board of Directors of Comdisco and, if required by law or
agreement, its shareholders, and no further corporate or other action or
approval is required in order to constitute such agreements as binding and
enforceable.

     7.3  No Conflicts.  The execution, delivery and performance by Comdisco of
          ------------
this Agreement and each of the Collateral Agreements to which it is a party, and
the consummation of the transactions contemplated thereby, do not and will not
conflict with or result in a violation of or a default under (with or without
the giving of notice or the lapse of time or both) (a) Comdisco's articles of
incorporation or by-laws or other organizational documents, (b) any Applicable
Law applicable to Comdisco, or any of the Purchased Assets, or (c) any contract,
agreement or other instrument to which Comdisco is a party or by which Comdisco
or any of the Purchased Assets, may be bound or affected, except as provided in
[*]. No consent, approval, order or authorization of, or registration,
qualification, designation, declaration or filing with, any Governmental
Authority on the part of Comdisco is required in connection with the execution,
delivery and performance of the Agreement and the Collateral Agreements by
Comdisco or the consummation of the transactions contemplated thereby, except
those as shall have been obtained or made prior to Closing.

     7.4  Brokerage and Finder's Fees.  Neither Comdisco nor any Comdisco
          ---------------------------
Affiliate has employed any broker, finder or agent, or agreed to pay or incur
any brokerage fee, finder's fee or commission with respect to the transactions
contemplated by this Agreement, or dealt with anyone purporting to act in the
capacity of a broker, finder or agent with respect thereto as a result of which
any claim for a fee can be asserted against DoveBid.

     7.5  Title.  Comdisco owns and has good and marketable title to all of the
          -----
Purchased Assets, free and clear of all Encumbrances. Title to all the Purchased
Assets is freely

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities Exchange Commission.

                                       9
<PAGE>

transferable from Comdisco to DoveBid without obtaining the consent or approval
of or delivering notice to any person or party.

     7.6  Condition of Purchased Assets.  The Purchased Assets are being sold
          -----------------------------
"as is". COMDISCO MAKES NO OTHER WARRANTEIS OTHER THAN THOSE SPECIFICALLY SET
OUT IN THIS AGREEMENT (IF ANY), AND SPECIFICALLY DISCLAIMS THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

     7.7  Litigation.  There are no actions, suits, investigations or
          ----------
proceedings pending, or, to the knowledge of Comdisco, threatened (i) against
Comdisco, the Purchased Assets or any properties or rights of Comdisco which
arose out of or are based upon the ownership or use of the Purchased Assets
before any Governmental Authority, (ii) challenging the ownership or use, in any
respect, of the Purchased Assets, or (iii) asserting the invalidity of this
Agreement or seeking to prevent any of the transactions contemplated hereby.

     7.8  Compliance with Laws.  In the operation of its business as it
          --------------------
relates to the Purchased Assets, Comdisco has duly complied with all Applicable
Laws, including without limitation, all laws, regulations and rules relating to
environmental, export controls, immigration, labor and employment benefits
matters.

     7.9  Taxes.  At the Closing there will be no federal, state or local tax
          -----
liens (whether recorded, unrecorded or arising by operation of law) against any
of the Purchased Assets to be transferred to DoveBid hereunder. Comdisco has
paid or will pay, when due, any federal, state or local taxes attributable to
periods prior to the Closing Date with respect to the Purchased Assets which, if
unpaid, may result in a lien against any of the Purchased Assets.

     7.10 Records.  On or before the Effective Date and the Closing, Comdisco
          -------
has made available to DoveBid access to all documents, books, files and records
of Comdisco pertaining to the Purchased Assets.

     7.11 Undisclosed Liabilities.  To Comdisco's knowledge, Comdisco has no
          -----------------------
obligations or liabilities related to the Purchased Assets, including but not
limited to, employees or consultants, whether absolute, accrued, contingent or
otherwise, except and to the extent disclosed in this Agreement.

     7.12 Intellectual Property.  As between the parties, Comdisco owns,
          ---------------------
possesses and has the exclusive rights to own the Purchased Assets, and Comdisco
has not granted any third party any outstanding licenses or other rights in or
to any of its Purchased Assets.  Comdisco is not liable, nor has it made any
contract, commitment or arrangement whereby it may become liable, to any person
for any royalty, fee or other compensation for any of the Purchased Assets. To
Comdisco's knowledge, no third party has asserted or threatened to assert
against Comdisco that any of the Purchased Assets infringe upon, misappropriate
or otherwise conflict with, any Intellectual Property Rights of any third party.

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities Exchange Commission.

                                       10
<PAGE>

     7.13 Decontamination Processes.  Comdisco has complied with its normal
          -------------------------
and customary decontamination processes with respect to the Purchased Assets,
other than the "[*]" located on [*].

     7.14 Full Disclosure.  No representation or warranty by Comdisco in this
          ---------------
Agreement or in any Collateral Agreement when taken together, contains any
untrue statement of a material fact or omits to state a material fact or
circumstance required to be stated therein or necessary in order to make such
statements, in light of the circumstances under which they were made, not
misleading. The copies of all documents furnished by Comdisco to DoveBid, its
affiliates and agents pursuant to or in connection with this Agreement and the
transactions contemplated hereby are complete and accurate.

8.   COVENANTS OF COMDISCO
     ---------------------

     8.1  Pre-Closing Covenants.  Until the Closing:  (a) Comdisco shall conduct
          ---------------------
its business with respect to the Purchased Assets only in the ordinary course,
(b) Comdisco shall reasonably cooperate with DoveBid in the orderly transfer of
the Purchased Assets to DoveBid's control by the Closing, (c) Comdisco shall use
commercially diligent efforts to preserve for DoveBid the Purchased Assets, and
shall completely refrain from negotiating any license, right or other form of
Encumbrance upon any portion of the Purchased Assets with any third party;
provided, that the foregoing shall not be deemed to prohibit Comdisco, prior to
the Closing, from selling any of the Purchased Assets to a third party in the
ordinary course.

     8.2  Access.  Comdisco will provide DoveBid and its representatives, during
          ------
normal business hours, with complete access to all of the Purchased Assets,
other than those assets located at [*], access to which shall be subject to
compliance with the terms and conditions of [*], and any related documents,
books, files and records, to afford DoveBid a reasonable opportunity to make
such a full investigation of the Purchased Assets prior to the Closing as
DoveBid may reasonably desire, and Comdisco will cause Comdisco's
representatives to cooperate fully with DoveBid and DoveBid's representatives in
connection therewith.

     8.3  Required Consents and Notices.
          -----------------------------

     On or prior to the Closing, Comdisco will obtain all consents, waivers and
authorizations required or appropriate to validly and timely assign and transfer
all of the Purchased Assets to DoveBid at the Closing free and clear of all
Encumbrances, other than the purchase money security interest of Comdisco with
respect to the [*] Equipment, and to permit DoveBid following the Closing to
resell the Purchased Assets to third parties, subject to payment in full to
Comdisco by DoveBid of the Cash Consideration.

     8.4  Bill of Sale.  At the Closing, Comdisco will execute and deliver to
          ------------
DoveBid the Bill of Sale.

     8.5  Further Assurances.  From and after the Closing Date, Comdisco will
          ------------------
promptly execute and deliver to DoveBid any and all such further assignments,
endorsements, records,

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities Exchange Commission.

                                       11
<PAGE>

information and other documents and instruments as DoveBid may reasonably
request for the purpose of effecting the transfer of Comdisco's title to the
Purchased Assets to DoveBid and/or carrying out the provisions of this
Agreement.

     8.6  Notice of Certain Matters.  Comdisco shall give prompt notice to
          -------------------------
DoveBid of the occurrence, or failure to occur, of any event, which occurrence
or failure to occur, if uncured, could cause (a) any inaccuracy or breach of any
representation or warranty or violation of a covenant of Comdisco in this
Agreement; or (b) the failure of any of the conditions set forth in Section 10
of this Agreement.

9.   COVENANTS OF DOVEBID
     --------------------

     9.1  Compliance.  DoveBid agrees that before and after the Closing Date,
          ----------
Comdisco shall have no responsibility for DoveBid's compliance or non-compliance
with any [*] order with respect to [*] or with any [*] statute or regulations
governing the conduct of [*] or auctions and DoveBid shall hold Comdisco
harmless from any such compliance or non-compliance by DoveBid.

     9.2  Taxes.  DoveBid agrees to promptly pay all sales, use, transfer, bulk
          -----
sales or other taxes imposed on the sale or transfer of the Purchased Assets to
DoveBid under this Agreement or in connection with any subsequent sales thereof
by DoveBid and to indemnify and hold Comdisco and its officers, directors,
shareholders, employees and agents, harmless from and against any such taxes or
claims for payment thereof by any tax authority.

     9.3  Required Consents and Notices.  Prior to the Closing, DoveBid will
          -----------------------------
obtain all consents, waivers and authorizations and provide all notices required
or appropriate to consummate the transactions contemplated by this Agreement.

     9.4  Notice of Certain Matters.  DoveBid shall give prompt notice to
          -------------------------
Comdisco of the occurrence, or failure to occur, of any event, which occurrence
of failure to occur, if uncured, could cause (a) any inaccuracy or breach of any
representation or warranty or violation of a convenant of DoveBid in this
Agreement, or (b) the failure of any of the conditions set forth in Section 10
of this Agreement.

     9.5  Further Assurances.  From and after the Closing Date, DoveBid will
          ------------------
promptly execute and deliver to Comdisco any and all such further records,
documents, information, and instruments as Comdisco may reasonably request for
the purpose of carrying out the provisions of this Agreement.

10.  CONDITIONS TO CLOSING
     ---------------------

     10.1 Conditions to DoveBid's Obligations.  The obligations of DoveBid
          -----------------------------------
hereunder shall be subject to the satisfaction and fulfillment of each of the
following conditions, except as DoveBid may expressly waive the same in writing:

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities Exchange Commission.

                                       12
<PAGE>

          (a)  Accuracy of Representations and Warranties.  The representations
               ------------------------------------------
and warranties made herein by Comdisco in Section 7 shall be true and correct in
all material respects, and shall not be misleading in any material respect, on
and as of the date given, and on and as of the Closing Date with the same force
and effect as though such representations and warranties were made on and as of
the Closing Date.

          (b)  Compliance.  As of the Closing Date, Comdisco shall have complied
               ----------
in all material respects with, and shall have fully performed, in all material
respects, all conditions, covenants and obligations in this Agreement imposed on
Comdisco, required to be performed or complied with by Comdisco at, or prior to,
the Closing Date.

          (c)  Delivery of Amended List of Purchased Assets. Comdisco shall have
               --------------------------------------------
delivered, and DoveBid shall have received an amended Exhibit A from which
                                                      ---------
assets sold by Comdisco prior to Closing, and their corresponding agreed upon
value, shall have been removed.

          (d)  Delivery of Purchased Assets.  Comdisco shall have delivered,
               ----------------------------
subject to the terms of Section 2.2 (c) hereof, and DoveBid shall have received
all the Purchased Assets free and clear of all Encumbrances, other than the
purchase money security interest in favor of Comdisco with respect to the [*]
Equipment.

          (e)  Bill of Sale.  Comdisco shall have duly executed and delivered to
               ------------
DoveBid the Bill of Sale.

          (f)  No Litigation; Legality. There shall not be pending or threatened
               -----------------------
any litigation with respect to the Purchased Assets or the transfer thereof by
Comdisco.  There shall not be in effect or pending any Applicable Law which
makes it illegal for Comdisco to consummate the transactions contemplated by
this Agreement, or any order, decree or judgment enjoining any party to this
Agreement from consummating the transactions contemplated by this Agreement or
requiring any part of the Purchased Assets to be divested or subject to an
Encumbrance.

     10.2 Conditions to Comdisco's Obligations.  The obligations of Comdisco
          ------------------------------------
hereunder shall be subject to the satisfaction and fulfillment of each of the
following conditions, except as Comdisco may expressly waive the same in
writing:

          (a)  Accuracy of Representations and Warranties on Closing Date.  The
               ----------------------------------------------------------
representations and warranties made herein by DoveBid in Section 6 hereof shall
be true and correct in all material respects, and shall not be misleading in any
material respect, on and as of the date given, and on and as of the Closing Date
with the same force and effect as though such representations and warranties
were made on and as of the Closing Date.

          (b)  Compliance.  DoveBid shall have complied in all material respects
               ----------
with, and shall have fully performed, in all material respects, all terms,
conditions, covenants and obligations in this Agreement imposed on DoveBid and
required to be performed or complied with by DoveBid at, or prior to, the
Closing Date.

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities Exchange Commission.

                                       13
<PAGE>

          (c)  Stock. Comdisco shall have received a stock certificate
               -----
evidencing the DoveBid Series C Preferred Stock issued to Comdisco under the
Stock Purchase Agreement.

          (d)  Cash Consideration. DoveBid shall pay to Comdisco on or after the
               ------------------
Closing Date, but in no event later than March 31, 2000, the Cash Consideration.

          (e)  No Litigation; Legality.  There shall not be in effect or pending
               -----------------------
any Applicable Law which makes it illegal for DoveBid to consummate the
transactions contemplated by this Agreement, or any order, decree or judgment
enjoining any party to this Agreement from consummating the transactions
contemplated by this Agreement.

          (f)  [*].  DoveBid shall execute and deliver the Assignment of
Comdisco's rights and interests under the [*] in the form attached hereto as
Exhibit F.
---------

11.  CONFIDENTIALITY.
     ---------------

     11.1 Confidentiality Obligation.  Comdisco hereby expressly acknowledges
          --------------------------
and agrees that [*] (as defined in [*] constitutes "Confidential Information" as
defined in the Confidentiality Agreement entered into between the parties dated
October 5, 1999, a copy of which is attached hereto and made a part hereof as
Exhibit G (the "Confidentiality Agreement").
----------

     11.2 Permitted Disclosure.  The terms and conditions of this Agreement will
          --------------------
be considered confidential and will not be disclosed to any third parties except
to such party's accountants, attorneys or except as otherwise required by law.
Notwithstanding the foregoing, Comdisco will have the right to disclose this
Agreement to the extent necessary in connection with [*]. Neither party will
make any public announcement regarding the existence of this Agreement without
the other party's prior written approval and consent. If this Agreement or any
of its terms must be disclosed under any law, rule or regulation (e.g., as part
of a filing with the United States Securities and Exchange Commission),
excluding an order or other discovery request issued by a court of competent
jurisdiction, the disclosing party will (a) use reasonable efforts to give
written notice of the intended disclosure to the other party at least five (5)
days in advance of the date of disclosure; (b) redact portions of this Agreement
to the fullest extent permitted under any applicable laws, rules and
regulations; and (c) submit a request, to be agreed upon by the other party,
that such portions and other provisions of this Agreement requested by the other
party receive confidential treatment under the laws, rules and regulations of
the body or tribunal to which disclosure is being made or otherwise be held in
the strictest confidence to the fullest extent permitted under the laws, rules
or regulations of any other applicable governing body.

12.  SURVIVAL OF WARRANTIES; INDEMNIFICATION; LIMITATION OF LIABILITY
     ----------------------------------------------------------------

     12.1 Survival of Warranties.  All representations and warranties made
          ----------------------
by Comdisco or DoveBid herein, or in any certificate, schedule or exhibit
delivered pursuant hereto, shall survive the Closing.

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities Exchange Commission.

                                       14
<PAGE>

     12.2  Indemnified Losses.  For the purpose of this Section 12, "Loss" shall
           ------------------
mean and include any and all liability, loss, damage, claim, expense, cost,
fine, fee, penalty, obligation or injury including, without limitation, those
resulting from any and all actions, suits, proceedings, demands, assessments,
judgments, award or arbitration, together with reasonable costs and expenses
including the reasonable attorneys' and expert's fees and other legal costs and
expenses relating thereto plus interest on the foregoing at the rate of 10% per
annum.

     12.3  Indemnification by Comdisco.  Subject to the provisions and
           ---------------------------
limitations set forth in this Section 12, Comdisco agrees to defend, indemnify
and hold harmless DoveBid, any parent, subsidiary or affiliate of DoveBid and
any director, officer, employee, stockholder, agent or attorney of DoveBid or of
any parent, subsidiary or affiliate of DoveBid (collectively, the "DoveBid
Indemnified Parties") from and against any Loss which arises out of any breach
or violation of any covenant of Comdisco, or the material inaccuracy or untruth
of any representation or warranty of Comdisco made herein.

     12.4  Indemnification by DoveBid. Subject to the provisions and limitations
           --------------------------
set forth in this Section 12, DoveBid agrees to defend, indemnify and hold
harmless Comdisco, any parent, subsidiary or affiliate of Comdisco and any
director, officer, employee, stockholder, agent or attorney of Comdisco or of
any parent, subsidiary or affiliate of Comdisco (collectively, the "Comdisco
Indemnified Parties") from and against any Loss which arises out of (i) any
breach or violation of any covenant of DoveBid, or the material inaccuracy or
untruth or any representation or warranty by DoveBid made herein, or (ii) any
third party claims for death, bodily injury or tangible property damage incurred
while on Comdisco's premises on or after the Closing Date in connection with the
Purchased Assets (a "Comdisco Premises Claim").

     12.5  Procedures for Indemnification.  If any action, suit or proceeding
           ------------------------------
shall be commenced against, or any claim or demand be asserted against DoveBid
or Comdisco or any other party indemnified under Section 12.3 or 12.4 in respect
of which DoveBid or Comdisco is entitled to demand indemnification under this
Section 12, then, the indemnified party shall notify the indemnitor in writing
generally describing such action, suit, proceeding, claim or demand with
reasonable particularity. The indemnified party will not compromise or settle
any such action, suit, proceeding, claim or demand without the prior written
consent of the indemnitor. So long as the indemnitor is diligently defending, at
its sole expense and in good faith, any such action, suit, proceeding, claim or
demand asserted by a third party against the indemnified party, the indemnified
party shall not settle or compromise such action, suit, proceeding, claim or
demand without the prior written consent of the indemnitor, which consent will
not be unreasonably withheld or delayed. If the indemnitor fails to promptly and
adequately defend any such action, suit, proceeding, claim or demand, then the
indemnified party may defend, through counsel of its own choosing, such action,
suit, proceeding, claim or demand and (so long the indemnified party gives the
indemnitor at least ten (10) days' notice of the terms of the proposed
settlement thereof and permits the indemnitor to then undertake the defense
thereof at its sole expense if the indemnitor reasonably objects to the proposed
settlement) to settle such action, suit, proceeding, claim or demand and to
recover from the indemnitor the amount of such Losses.

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.

                                       15
<PAGE>

     12.6  Limitation of Liability.  IN NO EVENT SHALL EITHER PARTY TO THIS
           -----------------------
AGREEMENT BE RESPONSIBLE FOR SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES. Each
parties' liability hereunder shall be further limited to the Purchase Price for
the Purchased Asset giving rise to claim hereunder. The foregoing limitation
will not restrict Comdisco's liability for: (i) any breach by Comdisco of the
Confidentiality Agreement with respect to [*]; or (ii) any Loss for which
Comdisco is required to indemnify any DoveBid Indemnified Party arising out of
any breach by Comdisco of its representation and warranty as set forth in
Section 7.13.  The foregoing limitation will not restrict DoveBid's liability
for any Loss for which DoveBid is required to indemnify any Comdisco Indemnified
Party arising out of: (i) any breach by DoveBid of its covenants under Sections
9.1 or 9.2; or (ii) any Comdisco Premises Claim.

13.  MISCELLANEOUS
     -------------

     13.1  Expenses.  Each of the parties hereto shall bear its own expenses
           --------
(including without limitation attorneys' fees) in connection with the
negotiation and consummation of the transaction contemplated hereby.

     13.2  Notices.  Any notice required or permitted to be given under this
           -------
Agreement shall be in writing and shall be personally delivered or sent by
certified or registered United States mail, postage prepaid, or sent by
nationally recognized overnight express courier and shall be deemed given or
delivered upon the earlier or (i) the first business day after hand delivery or
deposit with overnight express courier, or (ii) three (3) calendar days after
mailed, and shall be addressed as follows:

     (a)   If to Comdisco:

                    Comdisco, Inc.
                    6111 North River Road
                    Rosemont, IL 60018
                    Attn.: Frank Cirone
                    Phone: (847)518-7773
                    Fax:   (847)518-

                    Attn:  General Counsel
                    Phone: (847) 518-5075
                    Fax:   (847) 518-5088

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.

                                       16
<PAGE>

     (b)   If to DoveBid:

                    DoveBid, Inc.
                    1241 East Hillsdale Blvd.
                    Foster City, CA 94404
                    Attn: Cory Ravid, Chief Financial Officer

                    Attn: Anthony Capobianco, General Counsel
                    Phone: (650) 571-7400
                    Fax:   (650) 571-1502

     13.3  Entire Agreement.  This Agreement, the Exhibits hereto (which are
           ----------------
incorporated herein by reference) and the agreements to be executed and
delivered in connection herewith, together constitute the entire agreement and
understanding between the parties and there are no agreements or commitments
with respect to the transactions contemplated herein except as set forth in this
Agreement. The captions in this Agreement are for convenience only and shall not
be considered a part of or affect the construction or interpretation of any
provision of this Agreement.

     13.4  Amendment; Waiver. Any term or provision of this Agreement may be
           -----------------
amended only by a writing signed by Comdisco and DoveBid. The observance of any
term or provision of this Agreement may be waived (either generally or in a
particular instance and either retroactively or prospectively) only by a writing
signed by the party to be bound by such waiver. No waiver by a party of any
breach of this Agreement will be deemed to constitute a waiver of any other
breach or any succeeding breach.

     13.5  Execution in Counterparts. For the convenience of the parties, this
           -------------------------
Agreement may be executed in one or more counterparts, each of which shall be
deemed an original but all of which together shall constitute one and the same
instrument.

     13.6  Assignment.  This Agreement may not be assigned by any party hereto
           ----------
without the prior written consent of each other party; except that either party
may assign this Agreement (and all related agreements) by operation of law or in
connection with any merger, consolidation or sale of all or substantially all
such party's assets or in connection with any similar transaction or to any
subsidiary, affiliate or parent of such party. This Agreement shall be binding
upon, shall inure to the benefit of, and be enforceable by and against, the
parties hereto and their respective successors and permitted assigns.

     13.7  Governing Law.  This Agreement shall be governed by and construed in
           -------------
accordance with the internal laws of the State of California (excluding
application of any conflicts of law doctrines that would make applicable the law
of any other state or jurisdiction) and, where appropriate, applicable federal
law.

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.

                                       17
<PAGE>

     13.8  Severability.  If any provision of this Agreement is for any reason
           ------------
and to any extent deemed to be invalid or unenforceable, then such provision
shall not be voided but rather shall be enforced to the maximum extent then
permissible under then applicable law and so as to reasonably effect the intent
of the parties hereto, and the remainder of this Agreement will remain in full
force and effect.

                           [Signature page follows]

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.

                                       18
<PAGE>

    IN WITNESS WHEREOF, the parties hereto have executed and delivered this
Agreement by their duly authorized representatives as of the Effective Date.

COMDISCO, INC.                            DOVEBID, INC.

____________________________________      ______________________________________
By:                                       By:

____________________________________      ______________________________________
Name:                                     Name:

Exhibits
--------

Exhibit A - Purchased Assets
Exhibit B - Bill of Sale
Exhibit C - Auction Terms
Exhibit D - Auction Schedule
Exhibit E - [*]
Exhibit F - Assignment Agreement
Exhibit G - Confidentiality Agreement

                                   Exhibit A

                               Purchased Assets

                                      [*]

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.

                                       19
<PAGE>

                                   EXHIBIT A
                                   ---------

                               PURCHASED ASSETS

     [*]

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.
<PAGE>

                                   EXHIBIT B
                                   ---------

                                 BILL OF SALE

This Bill of Sale dated as of March 7, 2000 (this "Bill of Sale") is made
between DoveBid, Inc., a California corporation (hereinafter "Purchaser"), and
Comdisco, Inc., a Delaware corporation (hereinafter, "Seller"). Purchaser and
Seller are parties to a certain Asset Purchase and Co-Marketing Agreement dated
as of March 7, 2000 (the "Purchase Agreement"). Capitalized terms used without
definitions herein will have the meanings ascribed to such terms in the Purchase
Agreement.

     Seller hereby sells and transfers its rights, title and interest in the
Purchased Assets as described on Exhibit A attached to the Purchase Agreement
                                 ---------
and made a part hereof in accordance with the terms of the Purchase Agreement.
Seller hereby represents and warrants to Purchaser that Seller is the absolute
owner of said Purchased Assets, that said Purchased Assets are free and clear of
all liens, charges and encumbrances, other than the purchase money security
interest of Seller pending receipt of the Cash Consideration, and that Seller
has full right, power and authority to sell said Purchased Assets and execute
this Bill of Sale. SELLER MAKES NO OTHER WARRANTIES OTHER THAN THOSE
SPECIFICALLY SET FORTH IN THIS BILL OF SALE AND THE PURCHASE AGREEMENT, IF ANY,
AND SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. THE PURCHASED ASSETS ARE SOLD "AS IS".

     IN WITNESS WHEREOF, Seller has caused this Bill of Sale to be executed on
the date first written above.

     COMDISCO, INC.

     _________________________________

     By:

     _________________________________

     Name:

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.
<PAGE>

                                   EXHIBIT C
                                   ---------

                                 AUCTION TERMS

Welcome to the DoveBid.com Web site (the "Web Site"), the premiere web site for
the business-to-business sale of industrial machinery, equipment, and surplus
capital assets. The services provided by DoveBid, Inc. ("DoveBid") through the
Web Site ("Service" or "Services") and the use of the Web Site are governed by
these Terms and Conditions (the "Terms and Conditions"). By accessing or using
the Services or the Web Site or by registering as either a buyer or seller
("Buyer", "Seller" or "User"), you agree that (1) you have read and familiarized
yourself with the Terms and Conditions, (2) you understand the Terms and
Conditions, and (3) your use of the Services and the Web Site will be in
accordance with the Terms and Conditions. If you do not agree to the Terms and
Conditions, you may not access or use the Services or the Web Site. The Terms
and Conditions together with any additional terms and conditions specific to a
particular auction (incorporated herein by reference) constitute the entire
agreement (the "Agreement") between DoveBid and User regarding its subject
matter and supersede and replace any and all prior or contemporaneous agreements
between the parties regarding such subject matter

Amendment of Terms and Conditions. DoveBid may amend any or all of the Terms and
Conditions (including fees and transaction rules) at any time, at DoveBid's sole
discretion, without notice. Any amendment of the Terms and Conditions will be
reflected on the Web Site. User is encouraged to periodically review the Terms
and Conditions posted on the Web Site. Use of the Services and the Web Site
constitutes acceptance of the Terms and Conditions including any amendments
thereto. The Terms and Conditions were last revised on February 17, 2000.

Role of DoveBid. DoveBid provides the Services and the Web Site solely as a
forum or venue in which Sellers may offer assets for sale and Buyers may place
offers to purchase these assets. As such, DoveBid is neither a principal
interested in the transactions, nor an agent of Buyer or Seller. Because DoveBid
is not a party to any transaction, DoveBid does not make, and should not be
construed as having made, any representation or warranty of any kind concerning
any of the offered assets or offerings, including without limitation any
representation or warranty regarding the quality, safety or legality of the
offered assets, or the truth or accuracy of any offerings. Additionally, DoveBid
makes no representation or warranty of any kind as to the ability of either
Buyer or Seller to complete a sale in accordance with these Terms and Conditions
or otherwise, and in accordance with any additional terms and conditions
specific to a particular auction. DoveBid does not have the power to transfer
title to any assets offered by Sellers. DoveBid retains sole discretion to
remove any User who does not comply with the Terms and Conditions. However,
Buyers and Sellers are solely responsible for independently verifying the
background of those Users with whom they enter into, or with whom they
prospectively will enter into, a transaction. In the event of any dispute
regarding any transaction conducted through use of the Services or the Web Site
(a "Dispute"), User hereby releases DoveBid, its affiliates and subsidiaries,
and their respective directors, officers, employees, agents, shareholders, co-
branders, partners, successors and assigns (the "Released Parties"), and each of
the foregoing, from any and all manner of action, claim or cause of action or
suit, at law or in equity, and from any and all losses, damages, costs or
expenses,

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.
<PAGE>

including without limitation court costs and attorneys' fees, which User may
have against the Released Parties, or any of them, known or unknown, disclosed
or undisclosed, which arise out of or relate in any way to a Dispute. If User is
a California resident, User waives California Civil Code (S)1542 which states:
"A general release does not extend to claims which the creditor does not know or
suspect to exist in his favor at the time of executing the release, which if
known by him must have materially affected his settlement with the debtor."

Changes to Services and/or Web Site.  User acknowledges and agrees that DoveBid
may change, modify, amend, suspend or discontinue any aspect of the Services or
the Web Site, at any time, without notice and without liability to User or to
any third party. DoveBid reserves the right to impose limits on certain features
of the Services or the Web Site, at any time, without notice and without
liability to User or to any third party.

Registration. The Services and the Web Site are only available to persons with
the legal capacity to enter into this Agreement. DoveBid may, at its sole and
absolute discretion, refuse to accept a person's (or entity's) registration, and
may, at any time after accepting registration, refuse to permit a person's (or
entity's) continuing use of the Services and the Web Site.

Password and Security.  User is solely responsible for maintaining the
confidentiality of its User name and User password. User is obligated to
complete those transactions that occur using its User name and User password,
whether such transactions are authorized or unauthorized. User agrees that it
shall immediately notify DoveBid in writing or by electronic mail of any
unauthorized use of its User name or User password.

User Information.  User will provide information to DoveBid during the
registration process and to DoveBid and other Users during the course of the use
of the Services and the Web Site (the "User Information"). User agrees and
warrants: (1) that all User Information is accurate and complete at the time of
registration, and (2) that User information will be continuously updated such
that the User Information shall at all times be current, accurate, and complete.
User grants to DoveBid a non-exclusive, worldwide, perpetual, royalty-free and
irrevocable license to use the User Information, including any associated
copyrights, trademarks, or other intellectual property or proprietary rights
User may have in the User information, for any purposes in connection with the
Services or the Web Site, subject to the terms of the DoveBid Privacy Policy.
                                                              --------------

Privacy Policy.  The terms of the DoveBid Privacy Policy are incorporated by
reference into these Terms and Conditions. User is encouraged to periodically
review the DoveBid Privacy Policy posted on the Web Site at
www.dovebid.com/os/privacy.stm posted on the Web Site.
------------------------------

User Content.  DoveBid is not responsible for the quality, accuracy,
reliability, legality or completeness of any User-provided content, including
any User Information. User is solely responsible for verifying the quality,
accuracy, reliability, legality and competitiveness of all User-provided
content, including any User Information. User acknowledges and agrees that
DoveBid has the right, but not the obligation, to monitor User-provided content,
including User Information, and to edit, correct or remove any such content that
DoveBid, in its sole discretion, deems objectionable or in violation of this
Agreement.

User Conduct.  User represents, warrants and covenants that its use of the
Services and the Web Site shall not:

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.

                                       2
<PAGE>

     (a)  violate any applicable local, state, national or international law,
statute, ordinance, rule or regulation. Without limiting the foregoing, User
represents, warrants and covenants that it will not sell or buy any assets that
may not be lawfully offered for sale or purchase in the United States and that
User will not export from the United States any asset in violation of U.S. law;

     (b)  impersonate any other person or entity, or make any misrepresentation
as to User's employment by or affiliation with any other person or entity;

     (c)  forge headers or in any manner manipulate identifiers in order to
disguise the origin of any User Information;

     (d)  upload, post, transmit, publish, or distribute any material or
information for which User does not have all necessary rights and licenses;

     (e)  upload, post, transmit, publish, or distribute any material which
infringes, violates, beaches or otherwise contravenes the rights of any third
party, including any copyright, trademark, patent, rights of privacy or
publicity or any other proprietary right;

     (f)  interfere with or disrupt the use of the Services or the Web Site by
any other User, nor "stalk", threaten, or in any manner harass another User;

     (g)  upload, post, transmit, publish, or distribute any unauthorized or
unsolicited advertising, solicitations, offers for the sale of services,
unsolicited communications, or offers for any "investment opportunities" (except
as may be permitted by the use of the Services or the Web Site as provided for
herein);

     (h)  upload, post, transmit, publish, or distribute any material or
information which contains a computer virus, or other code, files or programs
intending in any manner to disrupt or interfere with the functioning of the
Services, the Web Site, or that of other computer systems;

     (i)  use the Services or the Web Site in such a manner as to gain
unauthorized entry or access to the computer systems of others;

     (j)  upload, post, transmit, publish or distribute any material or
information which constitutes or encourages conduct that would constitute a
criminal offense, give rise to other liability, or otherwise violate applicable
law;

     (k)  upload, post, transmit, publish, or distribute any material or
information that is unlawful, or which may potentially be perceived as being
harmful, threatening, abusive, harassing, defamatory, libelous, vulgar, obscene,
or racially, ethnically, or otherwise objectionable; or

     (l)  reproduce, copy, modify, sell, distribute or otherwise exploit for any
commercial purposes the Services or the Web Site, or any component thereof
(including, but not limited to any materials or information accessible through
the Web Site).

Seller Conduct.  In addition to those other obligations set forth herein, Seller
agrees to be bound by the following:

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.

                                       3
<PAGE>

     (a)  Placing an asset for sale requires that Seller provide complete and
accurate information regarding the asset offered (the "Listing Information"). It
is the Seller's responsibility to review the Listing Information prior to its
posting on the Web Site and to immediately notify DoveBid of any changes
necessary to make the Listing Information complete and accurate at the time of
its submission, without any misrepresentation of any kind. Seller represents,
warrants and covenants that the Listing Information is complete and accurate and
actually reflects the quantity, quality, and condition of the offered assets.
Seller is obligated to update Listing Information to ensure that it is at all
times complete and accurate. Additionally, Seller represents, warrants and
covenants (1) that it has good and marketable legal title to the offered assets,
free and clear of any lien, security interest, leasehold interest, co-ownership
interest, or any other type of encumbrance or interest of any other person or
entity, (2) that it has authority to list the offered assets for sale and to
sell the offered assets, (3) no asset provided for sale on the Web Site shall be
fraudulent or counterfeit, (4) the offering by Seller of any asset on the Web
Site and the payment by Seller of any fees to DoveBid as specified in these
Terms and Conditions will not cause DoveBid to violate any applicable law,
statute, ordinance or regulation; (5) that each asset listed for sale is a
"capital asset" as those terms are understood in accordance with generally
accepted accounting principles (i.e., industrial machinery, equipment and
surplus assets), (6) that no listed asset infringes or violates (or contains any
parts or components which infringe or violate) any third party's copyright,
patent, trademark, trade secret or other intellectual property or propriety
rights, and (7) that no listed asset contains any Hazardous Substance.
Notwithstanding the foregoing, Users agree that DoveBid shall have no duty or
obligation to investigate the presence of any Hazardous Substances in or
integral to the assets. For purposes of this subparagraph, the term "Hazardous
Substances" shall mean, either individually or collectively, any chemical,
solid, liquid, gas, or other substance having the characteristics identified in,
listed under, or designated pursuant to (i) the Comprehensive Environmental
                                                ---------------------------
Response, Compensation and Liability Act of 1980 (CERCLA) as amended, 42 USCA
---------------------------------------------------------
Section 9601(4), as a "hazardous substance", (ii) the Resource, Conservation and
                                                      --------------------------
Recovery Act, 42 USCA Sections 6903(5) and 6921, as a "hazardous waste", or
------------
(iii) any other laws, statutes, or regulations of a government or political
subdivision or agency thereof, as presenting an imminent and substantial danger
to the public health or welfare or to the environment, or as otherwise requiring
special handling, collection, storage, treatment, disposal, or transportation;

     (b)  Seller agrees to pay to DoveBid a listing fee (the "Listing Fee") in
the amount of $10.00 per lot (or group of listed assets), which Listing Fee is
non-refundable. Additionally, Seller agrees to pay to DoveBid a fee (the "Sale
Fee") of five percent (5%) of the high bid for each successful sale such five
percent (5%) to be calculated based upon the gross sales price;

     (c)  Seller agrees not to contact Users with respect to the sale of assets
other than those listed through the Services;

     (d)  Seller agrees to pay the Sale Fee to DoveBid if a successful sale is
made to a User, without regard for such User's ability to perform.

Buyer Conduct.  In addition to those other obligations set forth herein, Buyer
acknowledges and agrees that by placing a bid on an asset, Buyer represents,
warrants and covenants (1) that it shall not misrepresent its ability to close
the transaction pursuant to the terms and conditions of sale, and in accordance
with these Terms and Conditions, (2) that it has the capacity to close the
transaction,

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.

                                       4
<PAGE>

and (3) that it has actual authority to enter a bid, and to enter into an
agreement to purchase the asset.

Webcast Auctions.  A "webcast" auction is an on-site auction conducted by
DoveBid that is simultaneously broadcast live over the Web Site. In connection
with a webcast auction, DoveBid may charge each Buyer a Buyer's Premium of up to
ten percent (10.0%) of the winning bid price ("Buyer's Premium") upon the
completion of a successful transaction, or some other amount is DoveBid's sole
discretion. For more details regarding whether a Buyer's Premium applies to a
particular webcast auction and to what extent, including the amount of such
Buyer's Premium, please view the appropriate auction brochure on the Web Site.
Any purchase offer that you make on the Web Site indicates your express
agreement to pay all amounts due, including any applicable Buyer's Premium.

Withdrawal of Auction/Auction Assets.  User acknowledges and agrees that assets
in an auction may be withdrawn or sold prior to the end of the designated
auction period, and/or that the auction may be discontinued, either temporarily
or permanently, all without notice to User.

Termination.  DoveBid expressly reserves the right to terminate the use of, or
to refuse to permit the use of, the Services and the Web Site by any person or
entity, at the sole and absolute discretion of DoveBid, for any reason or for no
reason.

Price Manipulation/ Bid Rigging.  Collusion between Users or any form of price
manipulation or bid rigging is strictly prohibited.

Taxes.  User acknowledges and agrees that DoveBid does not collect, and shall
not be held responsible for the collection of, any sales tax, use tax, transfer
tax, or any other tax or fee which may be assessed by any jurisdiction having
taxing authority over any transaction conducted through the Services or the Web
Site. Additionally, DoveBid is not responsible for the calculation of any taxes
or the reporting or remittance of any taxes to any taxing authority. User
expressly agrees and warrants that it shall comply with any and all applicable
laws and regulations, including without limitation, those with respect to taxes.
Users agree to defend, indemnify, and hold harmless DoveBid from and against any
and all damages, penalties, costs and expenses incurred by or imposed upon
DoveBid resulting from any failure by User to comply with applicable tax laws.

No Relationship.  User and DoveBid are independent contractors. Neither party is
an agent, representative, broker, employee, or partner of the other party. This
Agreement shall not be interpreted or construed to create an association, joint
venture, agency, franchise or partnership between the parties or to impose any
partnership obligation or liability upon either party.

Links to Third Parties.  The Services and the Web Site may provide links to the
web sites or services of others ("Third-Party Sites"). Links to such Third-Party
Sites do not constitute an endorsement by DoveBid of such Sites, or the
products, content, materials or information presented or made available by such
Sites. User acknowledges and agrees that DoveBid is not responsible for any
damages or losses caused or alleged to have been caused by the use of any Third-
Party Sites, or from the products, content, material or information presented by
or available through such Sites.

Downloading Information/Material.  User hereby releases DoveBid, its affiliates
and subsidiaries, and their respective directors, officers, employees, agents,
shareholders, co-branders, partners,

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.

                                       5
<PAGE>

successors and assigns from any and all actual or alleged damages which may
result from User downloading any information or materials from the Web Site.

Choice of Law.  This Agreement, and all questions with respect to the
interpretation of this Agreement, shall be governed by and construed in
accordance with the internal laws of the State of California and without regard
for conflict of laws provisions. User expressly consents to personal and
exclusive jurisdiction in the courts of the State of California located in San
Mateo County.

Indemnification.  User will defend, indemnify and hold harmless DoveBid, its
affiliates and subsidiaries, and their respective directors, officers,
employees, agents, shareholders, co-branders, partners, successors and assigns
(collectively, "Indemnified Parties"), from and against any claim, loss, damage,
liabilities, judgments, fees and expenses related thereto (including, without
limitation, reasonable attorney's fees) incurred by any of the Indemnified
Parties arising from or related to: (i) the use of the Services or the Web Site
by User or (2) any breach or violation of these Terms and Conditions by User and
(3) any breach of any of User's representations, warranties and covenants.

Dispute Resolution. Any controversy involving DoveBid arising from or in any way
related to this Agreement or User's use of the Services or the Web Site shall be
submitted to binding arbitration to be conducted in accordance with the Rules of
Commercial Arbitration of the American Arbitration Association ("AAA"). A single
arbitrator with knowledge of the auction business shall conduct the arbitration
in San Mateo County, California, United States of America. The parties shall
mutually agree upon such arbitrator. In the event that the parties have not
agreed to a mutually acceptable arbitrator within thirty (30) days of the date
of the notice of intention to arbitrate, the arbitrator shall be selected by the
AAA from its regularly maintained list of commercial arbitrators. Within sixty
(60) days after the arbitrator has been selected, the arbitrator shall conduct a
single hearing no longer than one (1) day in duration for the purpose of
receiving evidence and shall render a decision within ten (10) days after the
conclusion of the hearing. The Federal Rules of Evidence and the Federal Rules
of Civil Procedure shall apply to any arbitration hearing, and aggregate
deposition discovery conducted in connection with any such hearing shall not
exceed ten (10) hours for each party. The decision of the arbitrator shall be
binding and final, and the arbitration award may be filed in a court of
competent jurisdiction. In the event that a civil or administrative proceeding
with respect to any disputes subject to arbitration under this provision is
commenced, any other party to such proceeding shall be entitled to demand
arbitration with respect to that dispute and shall be entitled to a permanent
stay and injunction against any such civil or administrative proceeding. In the
event that a party asserts multiple claims or causes of action, some but not all
of which are subject to arbitration under law, any and all claims subject to
arbitration shall be submitted to arbitration in accordance with this provision.

Disclaimer of Warranties. THE SERVICES AND THE WEB SITE, INCLUDING ALL CONTENT,
FUNCTIONS, MATERIALS AND INFORMATION MADE AVAILABLE ON OR ACCESSED THROUGH THE
SERVICES OR THE WEB SITE, ARE PROVIDED ON AN "AS IS", "WHERE IS", "AS AVAILABLE"
BASIS WITHOUT REPRESENTATIONS OR WARRANTIES OF ANY KIND WHATSOEVER, EXPRESS OR
IMPLIED, INCLUDING WITHOUT LIMITATION, NON-INFRINGEMENT, MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE. DOVEBID DOES NOT WARRANT THAT THE SERVICES OR
THE FUNCTIONS, FEATURES OR CONTENT CONTAINED THEREIN OR IN THE WEB SITE,
INCLUDING WITHOUT LIMITATION ANY THIRD-PARTY SOFTWARE, PRODUCTS OR OTHER
MATERIALS USED IN CONNECTION WITH THE SERVICES OR THE WEB SITE, WILL BE TIMELY,
SECURE, UNINTERRUPTED OR ERROR FREE, OR THAT DEFECTS WILL BE CORRECTED. DOVEBID

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.

                                       6
<PAGE>

MAKES NO WARRANTY THAT THE WEB SITE OR THE SERVICES WILL MEET USERS'
REQUIREMENTS, AND EXPRESSLY DISCLAIMS ANY REPRESENTATIONS, WARRANTIES OR
GUARANTEES THAT BY POSTING AN ASSET ON THE SERVICES OR THE WEB SITE, THE POSTED
ASSET WILL BE SOLD. IF USER IS DISSATISFIED WITH THE SERVICES OF THE WEB SITE,
USER'S SOLE REMEDY IS TO DISCONTINUE USING THE SERVICES OF THE WEB SITE. DOVEBID
MAKES NO REPRESENTATIONS OR WARRANTIES REGARDING ANY GOODS OR SERVICES PURCHASED
OR OBTAINED THROUGH THE SERVICES OR THE WEB SITE OR ANY TRANSACTIONS ENTERED
INTO THROUGH THE SERVICES OF THE WEB SITE. NO ADVICE OR INFORMATION, WHETHER
ORAL OR WRITTEN, OBTAINED BY USER FROM DOVEBID OR THROUGH THE SERVICES OF THE
WEB SITE SHALL CREATE ANY WARRANTY NOT EXPRESSLY MADE HEREIN. DOVEBID EXPRESSLY
DISCLAIMS ANY RESPONSIBILITY FOR ANY MISREPRESENTATIONS OR BREACHES COMMITTED BY
ANY USER

Limitation of Liability. IN NO EVENT SHALL DOVEBID BE LIABLE FOR ANY DAMAGES
THAT ARE DIRECTLY OR INDIRECTLY RELATED TO THE USE OF, OR THE INABILITY TO USE,
THE SERVICES, THE WEB SITE OR THE CONTENT, MATERIALS AND FUNCTIONS RELATED
THERETO, INCLUDING WITHOUT LIMITATION, SPECIAL, INDIRECT, INCIDENTAL,
CONSEQUENTIAL OR PUNITIVE DAMAGES, LOSS OF REVENUE OR ANTICIPATED PROFITS OR
LOST BUSINESS, LOST GOODWILL, OR LOST SALES. IN NO EVENT SHALL THE TOTAL
LIABILITY OF DOVEBID TO A USER FOR ALL DAMAGES, LOSSES, CLAIMS AND CAUSES OF
ACTION (WHETHER IN CONTRACT OR TORT, INCLUDING, BUT NOT LIMITED TO, NEGLIGENCE
OR OTHERWISE) ARISING FROM THIS AGREEMENT OR THE USE OF THE SERVICES OR THE WEB
SITE EXCEED, IN THE AGGREGATE, ONE HUNDRED DOLLARS ($100.00).

THE FOREGOING LIMITATION SHALL APPLY AND SURVIVE NOTWITHSTANDING ANY FAILURE OF
ESSENTIAL PURPOSE OF ANY REMEDY.

Notices.

Notices shall be given:

  To DoveBid:  By email legal@DoveBid.com and by certified mail, return receipt
                                          ---
requested, to

          DoveBid, Inc., Attention Legal Department, 1241 East Hillsdale
Boulevard, Foster City, California, 94404 or to such other address as may be
designated from time to time.

  To User:  By email at the email address as reflected in User's registration
information.

Notices to User shall be deemed to have been received twenty-four (24) hours
after the email is sent. Notices to DoveBid shall be deemed to have been given
three (3) days after the date of mailing by certified mail.

Severability.  If any provision of this Agreement is held by a court of
competent jurisdiction to be invalid or unenforceable, then such provision shall
be enforced to the maximum extent permissible so as to effect the intent of this
Agreement, and the remainder of this Agreement shall continue in full force and
effect.

Waiver.  The failure of DoveBid to exercise or enforce any right or provision of
this Agreement will not deemed a waiver of such right or provision

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.

                                       7
<PAGE>

Trademarks.  DoveBid, DoveBid.com, and the logos thereof are trademarks or
service marks of DoveBid, Inc. No display or use of such marks may be made
without the express written permission of DoveBid, Inc.

(C)  2000 DoveBid, Inc.  All rights reserved.

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.

                                       8
<PAGE>

                                   EXHIBIT D
                                   ---------

                               AUCTION SCHEDULE

This Auction Schedule dated as of ___________, 2000 is entered into between
DoveBid, Inc. ("DoveBid") and Comdisco, Inc. ("Seller") and incorporates the
"Terms and Conditions" specified on the DoveBid.com Web site, other than as
specifically amended hereby, and shall be subject to the terms and conditions
agreed between the parties under the Asset Purchase and Co-Marketing Agreement
dated as of __________, 2000 (the "Asset Purchase Agreement").

1.   Duration.  DoveBid and Seller hereby agree that the assets of Seller being
     offered and accepted for auction by DoveBid as described on Schedule I
     hereto (the "Assets") at the reserve prices specified therein shall be
     subject to auction by DoveBid for a period of time commencing
     _______________and expiring _________________.

2.   Fee.  DoveBid and Seller hereby agree that the fee structure associated
     with DoveBid's auction of the Assets shall be as follows:

     Except as amended hereby, all of the Terms and Conditions referenced above
shall remain in full force and effect.

DOVEBID, INC.                           COMDISCO, INC.

By:________________________________     By:____________________________

Title:_____________________________     Title:_________________________

Date:______________________________     Date:__________________________

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.
<PAGE>

                                   EXHIBIT E
                                   ---------

                                      [*]

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.

                                       2
<PAGE>

                                   EXHIBIT F
                                   ---------

                              ASSIGNMENT AGREEMENT

     This Assignment Agreement dated as of March 7, 2000 is entered into between
DoveBid, Inc., as Assignee and Comdisco, Inc., as Assignor in connection with
the sale of Purchased Assets pursuant to the Asset Purchase and Co-Marketing
Agreement of even date herewith ("Asset Purchase Agreement").  All terms not
otherwise defined herein shall have the meaning ascribed to them in the Asset
Purchase Agreement.

     Comdisco, Inc. hereby assigns to DoveBid, Inc. and DoveBid, Inc. hereby
accepts the assignment, of all of Comdisco, Inc.'s rights and interests under
the [*] attached to the Asset Purchase Agreement as Exhibit E and made a part
hereof, entered into in connection with [*].

DOVEBID, INC.                           COMDISCO, INC.

By:________________________________     By:____________________________

Title:_____________________________     Title:_________________________

Date:______________________________     Date:__________________________

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.

                                       3
<PAGE>

                                   EXHIBIT G
                                   ---------

                           CONFIDENTIALITY AGREEMENT

* Confidential portions have been omitted from this public filing and have been
filed separately with the Securities and Exchange Commission.

                                       4
<PAGE>

                                   EXHIBIT G
                                   ---------

                           CONFIDENTIALITY AGREEMENT

     CONFIDENTIALITY AGREEMENT, dated as of October 5, 1999, between DoveBid,
Inc., a Delaware corporation having a place of business at 1241 East Hillsdale
Boulevard, Foster City, CA 94404, and COMDISCO, INC., a Delaware corporation
having its principal place of business at 6111 N. River Road, Rosemont, IL 60018
("COMDISCO").

     WHEREAS, the parties to this Confidentiality Agreement have determined to
establish terms governing the confidentiality of certain information one party
("Owner") may disclose to the other party ("Recipient"), for the purpose of
establishing a business relationship;

     NOW THEREFORE, in consideration of the premises and the mutual covenants
contained herein, the parties agree as follows:

     1.   For purposes of this Confidentiality Agreement, "Confidential
          Information" means all information or data in whatever form
          transmitted relating to the past, present or future business affairs,
          including without limitation, (i) technology lease and services
          information, methodology and procedures; plus (ii) research,
          technology, product development, or business plans, operations or
          systems, of Owner or another party whose information Owner has in its
          possession under obligations of confidentiality, which (a) is
          disclosed by Owner or its affiliates to Recipient or its affiliates,
          bearing an appropriate legend indicating its confidential or
          proprietary nature or if oral or visual is identified as confidential
          or proprietary at the time of disclosure or as otherwise disclosed in
          a manner consistent with its confidential or proprietary nature, or
          (b) is produced or developed during the working relationship between
          the parties and which would, if disclosed to competitors of either
          party, give or increase such competitors' advantage over that party or
          diminish that party's advantage over its competitors.

          Confidential Information shall not include any information of an Owner
          that:  (a) is already known to Recipient at time of its disclosure;
          (b) is or becomes publicly known through no wrongful act of Recipient;
          (c) is received from a third party free to disclose it to Recipient;
          (d) is independently developed by Recipient; (e) is communicated to a
          third party by recipient with the express written consent of the
          Owner, or (f) is lawfully required to be disclosed to any governmental
          agency or is otherwise required to be disclosed by law, provided that
          before making such disclosure the Recipient shall give the Owner an
          adequate opportunity to interpose an objection or take action to
          assure confidential handling of such information.

     2.   For a period of two (2) years from the date of disclosure to
          Recipient, Recipient shall not disclose any Confidential Information
          it receives from Owner to any person or entity except employees of
          Recipient and its affiliates who have a need to know and who have been
          informed of Recipient's obligations under this Confidentiality
          Agreement.  Recipient shall use not less than the same degree of
<PAGE>

          care to avoid disclosure of such Confidential Information as Recipient
          uses for its own confidential information of like importance.
          Recipient shall use Confidential Information of the Owner only for
          purposes consented to by Owner.

     3.   All Confidential Information disclosed by Owner to Recipient under
          this Confidentiality Agreement in tangible form (including, without
          limitation, information incorporated in computer software or held in
          electronic storage media) shall be and remain property of Owner.  All
          such Confidential Information shall be returned to Owner promptly upon
          written request and shall not thereafter be retained in any form by
          Recipient.  The rights and obligations of the parties under this
          Confidentiality Agreement shall survive any such return of
          Confidential Information.

     4.   Owner shall not have any liability or responsibility for errors or
          omissions in, or any business decisions made by Recipient in reliance
          on, any Confidential Information disclosed under this Confidentiality
          Agreement.

     5.   The parties agree that, in the event of a breach or threatened breach
          of the terms of this Confidentiality Agreement, Owner shall be
          entitled to an injunction prohibiting any such breach.  Any such
          relief shall be in addition to and not in lieu of any appropriate
          relief in the way of money damages.  The parties acknowledge that
          Confidential Information is valuable and unique and that disclosure in
          breach of this Confidentiality Agreement will result in irreparable
          injury to Owner.

     6.   Either party may terminate this Confidentiality Agreement by written
          notice to the other.  Notwithstanding any such termination, all rights
          and obligations hereunder shall survive with respect to Confidential
          Information disclosed prior to such termination.

     7.   Neither party hereto shall in any way or in any form disclose,
          publicize or advertise in any manner the discussions that give rise to
          this Confidentiality Agreement or the discussions or negotiations
          covered by this Confidentiality Agreement without the prior written
          consent of the other party.

     8.   The term "affiliate" shall mean any person or entity controlling,
          controlled by or under common control with a party.

     9.   This Confidentiality Agreement:  (a) is the complete agreement of the
          parties concerning the subject matter hereof and supersedes any prior
          such agreements; (b) may not be amended or in any manner modified
          except in writing signed by the parties; and (c) shall be governed by
          and construed in accordance with the laws of California without regard
          to its choice of law provisions.  If any provision of this
          Confidentiality Agreement is found to be unenforceable, the remainder
          shall be enforced as fully as possible and the unenforceable provision
          shall be deemed modified to the limited extent required to permit its
          enforcement in a manner most closely approximating the intention of
          the parties as expressed herein.

                                       2
<PAGE>

     10.  The parties warrant that each has the right to disclose to the other
          all information which shall be disclosed and indemnifies and holds the
          other harmless against all claims, damages and expenses, including
          reasonable legal fees, resulting from an alleged wrongful disclosure
          which would breach such warranty.

     11.  It is understood that neither party hereby grants to the other any
          rights under existing or future patents, trade secrets, copyrights or
          other proprietary information.

     12.  It is understood that there is no obligation on the part of either
          party to enter into an agreement with the other party.

     IN WITNESS WHEREOF, the parties have executed this Confidentiality
Agreement by their duly authorized representatives as of the date first above
written.

DOVEBID, INC.                            COMDISCO, INC.

By:                                      By:
   -------------------------------          ------------------------------

NAME:                                    NAME:
     -----------------------------            ----------------------------

TITLE:                                   TITLE:
      ----------------------------             ---------------------------

                                       3THIS DOCUMENT CONTAINS PART OF A PROSPECTUS COVERING SECRUITIES THAT HAVE BEEN
REGISTERED UNDER THE SECURITIES ACT OF 1933.

                       Boston Communications Group, Inc.
                             2000 STOCK OPTION PLAN

1.       Purpose

         The  purpose  of this 2000  Stock  Option  Plan (the  "Plan") of Boston
Communications Group, Inc., a Massachusetts  corporation (the "Company"),  is to
advance the interests of the Company's  stockholders  by enhancing the Company's
ability to attract,  retain and  motivate  persons who make (or are  expected to
make)  important  contributions  to the Company by  providing  such persons with
equity  ownership  opportunities  and  performance-based  incentives and thereby
better  aligning  the  interests  of such  persons  with those of the  Company's
stockholders.  Except where the context otherwise  requires,  the term "Company"
shall include any of the Company's present or future subsidiary  corporations as
defined in Section 424(f) of the Internal Revenue Code of 1986, as amended,  and
any  regulations  promulgated  thereunder  (the  "Code") and any other  business
venture  (including,  without  limitation,  joint  venture or limited  liability
company) in which the Company has a significant  interest,  as determined by the
Board of Directors of the Company (the "Board").

2.       Eligibility

         All of the Company's employees,  officers,  directors,  consultants and
advisors (and any  individuals  who have accepted an offer for  employment)  are
eligible to be granted  options (each,  an "Option") under the Plan. Each person
who has been granted an Option under the Plan shall be deemed a "Participant".

3.       Administration, Delegation

     (a)  Administration by Board of Directors. The Plan will be administered by
          the Board of Directors of the Company (the  "Board").  The Board shall
          have  authority to grant  Options and to adopt,  amend and repeal such
          administrative rules, guidelines and practices relating to the Plan as
          it shall deem advisable.  The Board may correct any defect, supply any
          omission or reconcile any  inconsistency  in the Plan or any Option in
          the manner and to the extent it shall deem expedient to carry the Plan
          into  effect  and it  shall  be the  sole  and  final  judge  of  such
          expediency.  All  decisions  by the Board shall be made in the Board's
          sole  discretion  and shall be final and binding on all persons having
          or claiming any interest in the Plan or in any Option.  No director or
          person acting  pursuant to the authority  delegated by the Board shall
          be liable for any  action or  determination  relating  to or under the
          Plan made in good faith.
     (b)  Delegation to Committees.  To the extent  permitted by applicable law,
          the Board may  delegate any or all of its powers under the Plan to one
          or more committees or subcommittees of the Board (a "Committee"), each
          member of which shall be an "outside  director"  within the meaning of
          Section 162(m) of the Code and a "non-employee director" as defined in
          Rule 16b-3 promulgated under the Securities  Exchange Act of 1934 (the
          "Exchange  Act"). All references in the Plan to the "Board" shall mean
  <PAGE>

          the  Board or a Committee  of the Board to the extent that the Board's
          powers or  authority  under the Plan have been  delegated to such
          Committee.

4.        Stock Available for Options

          (a)  Number of Shares.  Subject to adjustment under Section 8, Options
               may be made  under  the Plan for up to  500,000  shares of common
               stock,  $.01 par value per share,  of the  Company  (the  "Common
               Stock").  If any Option expires or is terminated,  surrendered or
               canceled  without having been fully  exercised or is forfeited in
               whole or in part or results in any Common Stock not being issued,
               the unused  Common  Stock  covered by such Option  shall again be
               available  for the grant of  Options  under  the  Plan,  subject,
               however,  in the case of Incentive  Stock Options (as hereinafter
               defined),  to any  limitation  required  under the  Code.  Shares
               issued  under  the  Plan  may  consist  in  whole  or in  part of
               authorized   but  unissued   shares  or  treasury   shares.

          (b)  Per-Participant Limit. Subject to adjustment under Section 8, the
               maximum  number of shares of Common  Stock with  respect to which
               Options may be granted to any Participant under the Plan shall be
               100,000 per calendar year. The per-Participant limit described in
               this  Section 4(b) shall be  construed  and applied  consistently
               with Section 162(m) of the Code ("Section 162(m)").

5.       Stock Options

          (a)  General.  The Board may grant  options to purchase  Common  Stock
               (each,  an "Option") and determine the number of shares of Common
               Stock to be covered by each Option,  the  exercise  price of each
               Option  and the  conditions  and  limitations  applicable  to the
               exercise  of  each  Option,   including  conditions  relating  to
               applicable  federal or state  securities  laws,  as it  considers
               necessary or advisable.  An Option which is not intended to be an
               Incentive  Stock  Option  (as   hereinafter   defined)  shall  be
               designated a "Nonstatutory Stock Option".

          (b)  Incentive  Stock Options.  An Option that the Board intends to be
               an "incentive stock option" as defined in Section 422 of the Code
               (an "Incentive  Stock Option") shall only be granted to employees
               of the  Company  and shall be subject  to and shall be  construed
               consistently  with the  requirements  of Section 422 of the Code.
               The Company  shall have no  liability  to a  Participant,  or any
               other party, if an Option (or any part thereof) which is intended
               to be an Incentive Stock Option is not an Incentive Stock Option.

          (c)  Exercise  Price.  The Board shall establish the exercise price at
               the time each Option is granted and specify it in the  applicable
               option  agreement,  provided,  however,  that the exercise  price
               shall  be not less  than  100% of the  fair  market  value of the
               Common Stock,  as determined by the Board, at the time the Option
               is granted. An option may not be repriced following its grant.
 <PAGE>

          (d)  Duration of Options.  Each Option  shall be  exercisable  at such
               times and subject to such terms and  conditions  as the Board may
               specify in the applicable  option agreement,  provided,  however,
               that no Option  will be granted  for a term in excess of ten (10)
               years.

          (e)  Exercise of Option.  Options may be  exercised by delivery to the
               Company  of a written  notice of  exercise  signed by the  proper
               person  or by any  other  form of  notice  (including  electronic
               notice)  approved by the Board  together  with payment in full as
               specified  in Section 5(f) for the number of shares for which the
               Option is exercised.

          (f)  Payment Upon Exercise.  Common Stock  purchased upon the exercise
               of  an   Option   granted   under   the   Plan   shall   be  paid
               ---------------------- for as follows:

          i)   in cash or by check, payable to the order of the Company;

          ii)  except  as the  Board  may,  in its  sole  discretion,  otherwise
               provide in an option agreement, by (i) delivery of an irrevocable
               and unconditional undertaking by a creditworthy broker to deliver
               promptly  to the  Company  sufficient  funds to pay the  exercise
               price or (ii)  delivery  by the  Participant  to the Company of a
               copy  of  irrevocable   and   unconditional   instructions  to  a
               creditworthy  broker to deliver promptly to the Company cash or a
               check sufficient to pay the exercise price;

          iii) by  delivery of shares of Common  Stock owned by the  Participant
               valued  at their  fair  market  value as  determined  by (or in a
               manner  approved  by) the  Board  in  good  faith  ("Fair  Market
               Value"),  provided  (i) such method of payment is then  permitted
               under  applicable law and (ii) such Common Stock was owned by the
               Participant at least six months prior to such delivery;

          iv)  to the extent  permitted by the Board,  in its sole discretion by
               (i)  delivery  of a  promissory  note of the  Participant  to the
               Company on terms determined by the Board, or (ii) payment of such
               other lawful consideration as the Board may determine; or

          v)   by any combination of the above permitted forms of payment.

         (g)   Substitute  Options. In connection with a merger or consolidation
               of an entity with the Company or the  acquisition  by the Company
               of property or stock of an entity, the Board may grant Options in
               substitution for any options or other stock or stock-based awards
               granted  by  such  entity  or an  affiliate  thereof.  Substitute
               Options  may  be  granted  on  such  terms  as  the  Board  deems
               appropriate in the circumstances, notwithstanding any limitations
               on Options contained in the other sections of this Section 5.

6.       Adjustments for Changes in Common Stock and Certain Other Events

          (a)  Changes  in  Capitalization.  In the  event of any  stock  split,
               reverse   stock   split,   stock   dividend,    recapitalization,
               combination of shares,  reclassification  of shares,  spin-off or
<PAGE>

               othersimilar   change  in   capitalization   or  event,   or  any
               distribution  to holders of Common Stock other than a normal
               cash  dividend,  (i) the  number  and  class  of  securities
               available  under this Plan, (ii) the  per-Participant  limit
               set forth in Section 4(b), and (iii) the number and class of
               securities  and  exercise  price per share  subject  to each
               outstanding Option,  shall be appropriately  adjusted by the
               Company (or substituted  Options may be made, if applicable)
               to the extent the Board shall determine, in good faith, that
               such  an  adjustment  (or  substitution)  is  necessary  and
               appropriate.  If this  Section 6(a) applies and Section 6(c)
               also applies to any event,  Section 6(c) shall be applicable
               to such event, and this Section 6a) shall not be applicable.

          (b)  Liquidation   or   Dissolution.   In  the  event  of  a  proposed
               liquidation or  dissolution of the Company,  the Board shall upon
               written  notice  to  the  Participants   provide  that  all  then
               unexercised  Options will (i) become  exercisable in full as of a
               specified  time at least 10 business  days prior to the effective
               date  of such  liquidation  or  dissolution  and  (ii)  terminate
               effective  upon such  liquidation or  dissolution,  except to the
               extent exercised before such effective date.

          (c)  Acquisition Events

          (i)  Definition.  An "Acquisition Event" shall mean: (a) any merger or
               consolidation  of the Company  with or into  another  entity as a
               result of which the Common Stock is  converted  into or exchanged
               for the right to receive cash,  securities  or other  property or
               (b) any exchange of shares of the Company for cash, securities or
               other   property   pursuant   to  a  statutory   share   exchange
               transaction.

          (ii) Consequences  of  an  Acquisition  Event  on  Options.  Upon  the
               occurrence  of an  Acquisition  Event,  or the  execution  by the
               Company of any agreement  with respect to an  Acquisition  Event,
               the Board shall  provide that all  outstanding  Options  shall be
               assumed,  or  equivalent  options  shall be  substituted,  by the
               acquiring or succeeding  corporation  (or an affiliate  thereof).
               For purposes hereof,  an Option shall be considered to be assumed
               if, following  consummation of the Acquisition  Event, the Option
               confers  the right to  purchase,  for each share of Common  Stock
               subject to the Option  immediately  prior to the  consummation of
               the  Acquisition   Event,   the   consideration   (whether  cash,
               securities  or  other  property)  received  as a  result  of  the
               Acquisition  Event by holders  of Common  Stock for each share of
               Common Stock held  immediately  prior to the  consummation of the
               Acquisition  Event  (and if  holders  were  offered  a choice  of
               consideration, the type of consideration chosen by the holders of
               a majority of the outstanding shares of Common Stock);  provided,
               however,  that if the  consideration  received as a result of the
               Acquisition  Event is not solely common stock of the acquiring or
               succeeding  corporation  (or an affiliate  thereof),  the Company
               may, with the consent of the acquiring or succeeding corporation,
               provide for the consideration to be received upon the exercise of
               Options to consist  solely of common  stock of the  acquiring  or
               succeeding  corporation (or an affiliate  thereof)  equivalent in
               fair  market  value to the per share  consideration  received  by
               holders of outstanding  shares of Common Stock as a result of the
               Acquisition Event.

               Notwithstanding  the  foregoing,  if the  acquiring or succeeding
          corporation  (or an affiliate  thereof)  does not agreeto  assume,  or

<PAGE>

          substitute  for,  such  Options,  then the Board  shall,  upon written
          notice to the Participants,  provide that all then unexercised Options
          will become  exercisable  in full as of a specified  time prior to the
          Acquisition  Event  and  will  terminate   immediately  prior  to  the
          consummation of such Acquisition Event, except to the extent exercised
          by the Participants before the consummation of such Acquisition Event;
          provided, however, that in the event of an Acquisition Event under the
          terms of which holders of Common Stock will receive upon  consummation
          thereof a cash  payment  for each  share of Common  Stock  surrendered
          pursuant to such Acquisition Event(the  "Acquisition Price"), then the
          Board may instead provide that all outstanding Options shall terminate
          upon  consummation of such Acquisition Event and that each Participant
          shall  receive,  in exchange  therefor,  a cash  payment  equal to the
          amount (if any) by which (A) the Acquisition  Price  multiplied by the
          number of shares of Common Stock subject to such  outstanding  Options
          (whether or not then exercisable),  exceeds (B) the aggregate exercise
          price of such Options.

7. General Provisions  Applicable to Options

          (a)  Transferability  of  Options.  Except as the Board may  otherwise
               determine  or provide in an  Option,  Options  shall not be sold,
               assigned,  transferred,  pledged or otherwise  encumbered  by the
               person  to  whom  they  are  granted,  either  voluntarily  or by
               operation  of law,  except  by will or the  laws of  descent  and
               distribution,  and, during the life of the Participant,  shall be
               exercisable only by the Participant. References to a Participant,
               to the extent relevant in the context,  shall include  references
               to authorized transferees.  (b) Documentation.  Each Option shall
               be  evidenced by a written  instrument  in such form as the Board
               shall determine, such written instrument may be in the form of an
               agreement  signed by the Company and the Participant or a written
               confirming  memorandum to the Participant from the Company.  Each
               Option may contain terms and  conditions in addition to those set
               forth in the Plan.

          (c)  Board Discretion.  Except as otherwise provided by the Plan, each
               Option may be made alone or in  addition  or in  ----------------
               relation to any other  Option.  The terms of each Option need not
               be  identical,   and  the  Board  need  not  treat   Participants
               uniformly.

          (d)  Termination of Status. The Board shall determine the effect on an
               Option of the disability, death, retirement,  authorized leave of
               absence or other  change in the  employment  or other status of a
               Participant and the extent to which, and the period during which,
               the  Participant,   the   Participant's   legal   representative,
               conservator,  guardian or  Designated  Beneficiary  may  exercise
               rights under the Option.

          (e)  Withholding.  Each Participant shall pay to the Company,  or make
               provision  satisfactory  to the Board for  payment  of, any taxes
               required by law to be withheld in connection with Options to such
               Participant  no later than the date of the event creating the tax
               liability.  Except  as the  Board  may  otherwise  provide  in an
               Option,  when the Common Stock is  registered  under the Exchange
               Act,  Participants  may,  to  the  extent  then  permitted  under
               applicable law,  satisfy such tax obligations in whole or in part
               by delivery of shares of Common Stock,  including shares retained
               from the Option creating the tax obligation, valued at their Fair

<PAGE>

               Market  Value.  The Company may, to the extent  permitted by law,
               deduct  any such tax  obligations  from any  payment  of any kind
               otherwise due to a Participant.

          (f)  Amendment of Option. The Board may amend, modify or terminate any
               outstanding  Option,  including but not limited to,  substituting
               therefor another Option of the same or a different type, changing
               the date of exercise or realization,  and converting an Incentive
               Stock Option to a  Nonstatutory  Stock Option,  provided that the
               Participant's consent to such action shall be required unless the
               Board determines that the action, taking into account any related
               action,   would  not   materially   and   adversely   affect  the
               Participant.

          (g)  Conditions  on  Delivery  of  Stock.  The  Company  will  not  be
               obligated to deliver any shares of Common  Stock  pursuant to the
               Plan or to remove  restrictions from shares previously  delivered
               under the Plan until (i) all  conditions  of the Option have been
               met or removed to the  satisfaction  of the Company,  (ii) in the
               opinion of the  Company's  counsel,  all other  legal  matters in
               connection  with the  issuance  and  delivery of such shares have
               been satisfied,  including any applicable securities laws and any
               applicable  stock exchange or stock market rules and regulations,
               and (iii) the  Participant  has  executed  and  delivered  to the
               Company such  representations  or  agreements  as the Company may
               consider   appropriate  to  satisfy  the   requirements   of  any
               applicable laws, rules or regulations.

          (h)  Acceleration.  The Board may at any time provide that any Options
               shall become  immediately  exercisable in full or in ------------
               part.

8.       Miscellaneous

          (a)  No Right To Employment or Other Status.  No person shall have any
               claim or right  to be  granted  an  Option,  and the  grant of an
               Option shall not be construed as giving a  Participant  the right
               to  continued  employment  or any  other  relationship  with  the
               Company.  The Company expressly reserves the right at any time to
               dismiss  or  otherwise   terminate   its   relationship   with  a
               Participant  free  from any  liability  or claim  under the Plan,
               except as expressly provided in the applicable Option.

          (b)  No  Rights  As  Stockholder.  Subject  to the  provisions  of the
               applicable Option, no Participant or Designated Beneficiary shall
               have any rights as a  stockholder  with  respect to any shares of
               Common  Stock to be  distributed  with respect to an Option until
               becoming the record  holder of such shares.  Notwithstanding  the
               foregoing, in the event the Company effects a split of the Common
               Stock by means of a stock  dividend and the exercise price of and
               the number of shares  subject to such  Option are  adjusted as of
               the date of the  distribution of the dividend  (rather than as of
               the  record  date  for  such  dividend),  then  an  optionee  who
               exercises an Option between the record date and the  distribution
               date for such stock dividend shall be entitled to receive, on the
               distribution  date, the stock dividend with respect to the shares
               of   Common   Stock   acquired   upon   such   Option   exercise,
               notwithstanding the fact that such shares were not outstanding as
               of the  close of  business  on the  record  date  for such  stock
               dividend.
<PAGE>

          (c)  Effective Date and Term of Plan. The Plan shall become  effective
               on the date on which it is adopted  by the  Board,  but no Option
               granted to a Participant  that is intended to comply with Section
               162(m)  shall  become  exercisable,   vested  or  realizable,  as
               applicable  to such  Option,  unless  and until the Plan has been
               approved by the Company's  stockholders to the extent stockholder
               approval  is required  by Section  162(m) in the manner  required
               under Section  162(m)  (including the vote required under Section
               162(m)).  No Options  shall be  granted  under the Plan after the
               completion of ten years from the earlier of (i) the date on which
               the Plan was  adopted  by the Board or (ii) the date the Plan was
               approved by the Company's  stockholders,  but Options  previously
               granted may extend beyond that date.

          (d)  Amendment of Plan. The Board may amend,  suspend or terminate the
               Plan or any  portion  thereof at any time,  provided  that to the
               extent  required  by  Section  162(m),  no  Option  granted  to a
               Participant  that is intended to comply with Section 162(m) after
               the date of such amendment shall become  exercisable,  realizable
               or vested,  as applicable  to such Option,  unless and until such
               amendment shall have been approved by the Company's  stockholders
               as required by Section 162(m)  (including the vote required under
               Section 162(m)).

          (e)  Governing  Law. The  provisions  of the Plan and all Options made
               hereunder shall be governed by and interpreted in accordance with
               the laws of the Commonwealth of Massachusetts,  without regard to
               any applicable conflicts of law.

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