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                         AGREEMENT AND PLAN OF MERGER

                                 by and among

                                 AVANTGO, INC.

                             GC ACQUISITION, INC.

                          GLOBALWARE COMPUTING, INC.

                                      and

                              THE STOCKHOLDERS OF

                          GLOBALWARE COMPUTING, INC.

                           dated as of May 26, 2000


<PAGE>

                               Table of Contents
                               -----------------

                                                                             Page
                                                                             ----
ARTICLE I. THE MERGER.......................................................    1
   1.1.   The Merger........................................................    1
          ----------
   1.2.   Closing...........................................................    1
          -------
   1.3.   Effective Time....................................................    2
          --------------
   1.4.   Conversion of Shares..............................................    2
          --------------------
   1.5.   Company Stock Options.............................................    3
          ---------------------
   1.6.   Closing Actions and Deliveries....................................    4
          ------------------------------
   1.7.   Adjustment of Exchange Ratio......................................    6
          ----------------------------
   1.8.   Stockholders' Waiver of Dissenter Rights..........................    6
          ----------------------------------------
   1.9.   Taking of Necessary Action; Further Action........................    6
          ------------------------------------------

ARTICLE II. CERTAIN MATTERS RELATING TO THE SURVIVING CORPORATION...........    6
   2.1.   Certificate of Incorporation of the Surviving Corporation.........    6
          ---------------------------------------------------------
   2.2.   By-Laws of the Surviving Corporation..............................    7
          ------------------------------------
   2.3.   Directors of the Surviving Corporation............................    7
          --------------------------------------
   2.4.   Officers of the Surviving Corporation.............................    7
          -------------------------------------

ARTICLE III. REPRESENTATIONS AND WARRANTIES OF AVANTGO AND AVANTGO SUB......    7
   3.1.   Existence, Good Standing, Corporate Authority.....................    7
          ---------------------------------------------
   3.2.   Authorization of Agreement and Other Documents....................    7
          ----------------------------------------------
   3.3.   No Violation......................................................    8
          ------------
   3.4.   No Brokers........................................................    8
          ----------
   3.5.   AvantGo Stock.....................................................    9
          -------------
   3.6.   Capitalization....................................................    9
          --------------
   3.7.   Subsidiaries......................................................   10
          ------------
   3.8.   Litigation........................................................   10
          ----------
   3.9.   Intellectual Property.............................................   11
          ---------------------
   3.10.  Title to Property and Assets......................................   11
          ----------------------------
   3.11.  Employee Benefit Plans............................................   12
          ----------------------
   3.12.  Tax Returns and Payments..........................................   12
          ------------------------
   3.13.  Labor Agreements and Actions......................................   12
          ----------------------------
   3.14.  Agreements; Action................................................   12
          ------------------
   3.15.  Disclosure........................................................   13
          ----------
   3.16.  No Conflict of Interest...........................................   14
          -----------------------
   3.17.  Rights of Registration and Voting.................................   14
          ---------------------------------
   3.18.  Manufacturing and Marketing Rights................................   14
          ----------------------------------
   3.19.  Financial Statements..............................................   14
          --------------------
   3.20.  Changes...........................................................   15
          -------
   3.21.  Proprietary Information and Inventions Agreements.................   16
          -------------------------------------------------
   3.22.  Permits...........................................................   16
          -------
   3.23.  Corporate Documents...............................................   16
          -------------------

                                       i
<PAGE>

   3.24.  Real Property Holding Corporation.................................   17
          ---------------------------------

ARTICLE IV. REPRESENTATIONS AND WARRANTIES OF THE COMPANY AND THE
            STOCKHOLDERS....................................................   17
   4.1.   Organization, Standing and Qualification..........................   17
          ----------------------------------------
   4.2.   Capitalization....................................................   17
          --------------
   4.3.   Subsidiaries......................................................   18
          ------------
   4.4.   Ownership Interests...............................................   18
          -------------------
   4.5.   Constituent Documents.............................................   18
          ---------------------
   4.6.   Authorization of Agreement and Other Documents....................   18
          ----------------------------------------------
   4.7.   No Violation......................................................   19
          ------------
   4.8.   Compliance with Laws--General.....................................   19
          -----------------------------
   4.9.   Financial Information.............................................   20
          ---------------------
   4.10.  Books and Records.................................................   20
          -----------------
   4.11.  Accounts Receivables..............................................   20
          --------------------
   4.12.  Bank Accounts.....................................................   20
          -------------
   4.13.  Intellectual Property; Company Software...........................   21
          ---------------------------------------
   4.14.  Title to Properties...............................................   24
          -------------------
   4.15.  Real Estate; Leased Premises......................................   24
          ----------------------------
   4.16.  Contracts.........................................................   25
          ---------
   4.17.  Insurance.........................................................   26
          ---------
   4.18.  Litigation........................................................   26
          ----------
   4.19.  Warranties........................................................   27
          ----------
   4.20.  Arbitration.......................................................   27
          -----------
   4.21.  Taxes.............................................................   27
          -----
   4.22.  Employee Benefit Plans............................................   29
          ----------------------
   4.23.  Labor Matters.....................................................   33
          -------------
   4.24.  Environmental Matters.............................................   34
          ---------------------
   4.25.  Interim Conduct of Business.......................................   35
          ---------------------------
   4.26.  Affiliated Transactions...........................................   36
          -----------------------
   4.27.  Significant Customers and Employees...............................   36
          -----------------------------------
   4.28.  Material Adverse Change...........................................   37
          -----------------------
   4.29.  Bribes............................................................   37
          ------
   4.30.  Absence of Indemnifiable Claims, etc..............................   37
          ------------------------------------
   4.31.  No Undisclosed Liabilities........................................   37
          --------------------------
   4.32.  No Brokers........................................................   37
          ----------
   4.33.  Disclosure........................................................   38
          ----------

ARTICLE V. POST-CLOSING COVENANTS...........................................   38
   5.1.   Tax Matters.......................................................   38
          -----------
   5.2.   Records Retention.................................................   39
          -----------------
   5.3.   Voting Agreement..................................................   39
          ----------------
   5.4.   Employee Matters..................................................   39
          -----------------

ARTICLE VI. INDEMNIFICATION.................................................   40
   6.1.   General...........................................................   40
          -------

                                      ii
<PAGE>

   6.2.   Certain Definitions...............................................   40
          -------------------
   6.3.   The Stockholders' Indemnification Obligations.....................   40
          ---------------------------------------------
   6.4.   AvantGo's Indemnification Obligations.............................   41
          -------------------------------------
   6.5.   Limitation on Indemnification Obligations.........................   41
          -----------------------------------------
   6.6.   Adjustment for Insurance..........................................   42
          ------------------------
   6.7.   Cooperation.......................................................   42
          -----------
   6.8.   Subrogation.......................................................   42
          -----------
   6.9.   Indemnification Claims Procedures.................................   42
          ---------------------------------
   6.10.  Stockholders' Representative......................................   43
          ----------------------------

ARTICLE VII. GENERAL PROVISIONS.............................................   44
   7.1.   Notices...........................................................   44
          -------
   7.2.   Assignment, Binding Effect........................................   45
          --------------------------
   7.3.   Entire Agreement..................................................   45
          ----------------
   7.4.   Amendment.........................................................   45
          ---------
   7.5.   Governing Law.....................................................   46
          -------------
   7.6.   Counterparts......................................................   46
          ------------
   7.7.   Headings..........................................................   46
          --------
   7.8.   Interpretation....................................................   46
          --------------
   7.9.   Waivers...........................................................   46
          -------
   7.10.  Incorporation.....................................................   46
          -------------
   7.11.  Severability......................................................   46
          ------------
   7.12.  Enforcement of Agreement..........................................   46
          ------------------------


SCHEDULES
---------
Disclosure Statement
AvantGo Disclosure Statement

EXHIBITS
--------
A  -   Schedule of Stockholders
B  -   Form of Escrow Agreement
C  -   Form of Representation Statement
D  -   Form of Voting Agreement
E  -   Form of Employment Agreement
F  -   AvantGo Counsel Opinion
G  -   Company Counsel Opinion
H  -   Form of Non-Solicitation and Non-Competition Agreement
I  -   Form of AvantGo's Proprietary Information and Inventions Agreement

                                      iii
<PAGE>
                         AGREEMENT AND PLAN OF MERGER

     THIS AGREEMENT AND PLAN OF MERGER is dated as of May 26, 2000 (the

"Agreement") by and among AvantGo, Inc., a Delaware corporation ("AvantGo"), GC
 ---------                                                        -------
Acquisition, Inc., an Illinois corporation and the wholly-owned subsidiary of
AvantGo ("AvantGo Sub"), Globalware Computing, Inc., an Illinois corporation
          -----------
(the "Company"), and the stockholders of the Company (the "Stockholders"), each
      -------                                              ------------
of which are listed on Exhibit A attached hereto.  The Stockholders' fully
                       ---------
diluted ownership interests and Proportionate Interests in the Company are
listed on Exhibit A attached hereto.
          ---------

                                   RECITALS
                                   --------

     A.  The Board of Directors of each of AvantGo and the Company have
determined that a business combination between AvantGo and the Company merging
their respective businesses is in the best interests of their respective
companies and stockholders and presents an opportunity for their respective
companies to achieve long-term strategic and financial benefits, and accordingly
have agreed to effect the merger provided for herein upon the terms and subject
to the conditions set forth herein.

     B.  The parties to this Agreement intend that (a) for federal income tax
purposes, the merger provided for herein shall qualify as a "reorganization"
within the meaning of Section 368 of the Internal Revenue Code of 1986, as
amended (the "Code"); and (b) the shares of Series E Preferred Stock, par value
              ----
$0.0001 per share, of AvantGo (the "AvantGo Stock") to be issued pursuant to the
                                    -------------
Merger (as defined in Section 1.1 of this Agreement) shall be exempt from
registration under the Securities Act of 1933, as amended (the "Securities
                                                                ----------
Act").
---

     NOW, THEREFORE, in consideration of the premises and the mutual
representations, warranties and covenants herein contained, and other good and
valuable consideration the receipt and sufficiency of which are hereby
acknowledged, the parties hereto, intending to be forever bound by the terms set
forth herein, do hereby agree as follows:

                                  ARTICLE I.

                                  THE MERGER

          1.1.  The Merger. Upon the terms and subject to the conditions of this
                ----------
Agreement, at the Effective Time (as defined in Section 1.3 of this Agreement),
AvantGo Sub shall be merged with and into the Company in accordance with the
laws of the State of Illinois and the terms of this Agreement (the "Merger"),
                                                                    ------
whereupon the separate corporate existence of AvantGo Sub shall cease, and the
Company shall be the surviving corporation of the Merger (the Company, as the
surviving corporation after the Merger is sometimes referred to herein as the
"Surviving Corporation").
 ---------------------

          1.2.  Closing. Subject to the terms and conditions of this Agreement,
                -------
the closing of the Merger (the "Closing") shall take place at the offices of
                                -------
Perkins Coie LLP, 135 Commonwealth Drive, Menlo Park, CA 94025 at 10:00 a.m. on
the date of this Agreement or at such

                                       1
<PAGE>

other place date as the parties hereto may otherwise agree. The date of this
Agreement is referred to herein as the "Closing Date."
                                        ------------

          1.3.  Effective Time. The parties hereto shall cause articles of
                --------------
merger (the "Articles of Merger") to be properly executed and filed in
             ------------------
accordance with the laws of the State of Illinois and the terms of this
Agreement on the Closing Date. The parties hereto shall also take such further
actions as may be required under the laws of the State of Illinois in connection
with the consummation of the Merger. The Merger shall become effective at such
time as the Secretary of State of the State of Illinois issues a certificate of
merger, or at such later time as is specified in the Articles of Merger (the
"Effective Time"). From and after the Effective Time, the Surviving Corporation
 --------------
shall possess all the rights, privileges, powers and franchises and be subject
to all of the restrictions, disabilities and duties of the Company and AvantGo
Sub, all as provided under applicable law.

          1.4.  Conversion of Shares.
                --------------------

                (a)  At the Effective Time:

                     (i)  each share of Common Stock, par value $0.0001 per
share, of AvantGo Sub outstanding at the Effective Time, by virtue of the Merger
and without any action on the part of the holders thereof, shall be converted
into and exchanged for one share of Common Stock, par value $0.0001 per share,
of the Surviving Corporation; and

                     (ii) each share of Common Stock, no par value, of the
Company (the "Company Capital Stock") outstanding at the Effective Time, by
              ---------------------
virtue of the Merger and without any action on the part of the holders thereof,
except as otherwise provided in Section 1.4(d), shall be converted into the
right to receive the number of shares of AvantGo Stock equal to the following
(the "Exchange Ratio"): (A) 2,113,743; divided by (B) the aggregate number of
      ---------------                  ----------
shares of Company Capital Stock outstanding on a fully diluted basis at the
Effective Time (assuming the exercise immediately prior to the Merger of all
outstanding rights to acquire Company Capital Stock, whether or not then
exercisable). Certain of the shares of AvantGo Stock delivered pursuant to this
Section 1.4(a)(ii) shall be subject to AvantGo's repurchase option as set forth
in the Employment Agreements.

                (b)  As a condition to the consummation of the Merger, the
Stockholders shall be required to deposit 211,373 of the shares of AvantGo Stock
to be received by them in the Merger into an escrow account (the "Escrow"),
                                                                  ------
which shares shall be held and released in accordance with the terms of an
Escrow Agreement (the "Escrow Agreement") to be entered into by and among
                       ----------------
AvantGo, the Stockholders and a mutually agreeable escrow agent (the "Escrow
                                                                      ------
Agent"), in substantially the form attached hereto as Exhibit B.
-----                                                 ---------
Stockholder shall be required to deposit into Escrow the Stockholder's
Proportionate Interest of the total number of shares of AvantGo Stock to be
deposited into Escrow. Such shares shall consist of 50% Restricted Shares (as
defined in the Employment Agreements) and 50% non-Restricted Shares.

                (c)  As a result of the Merger and without any action on the
part of the holders thereof, at the Effective Time, all shares of Company
Capital Stock shall cease to be

                                       2
<PAGE>

outstanding and shall be canceled and retired and shall cease to exist, and each
holder of shares of Company Capital Stock shall thereafter cease to have any
rights with respect to such shares of Company Capital Stock, except for the
right to receive, without interest, shares of AvantGo Stock in accordance with
this Section 1.4 and cash for fractional shares of AvantGo Stock in accordance
with Section 1.6 of this Agreement upon the surrender of a certificate (each, a
"Certificate") representing such shares of Company Capital Stock in accordance
 -----------
with the provisions of this Article I.

                (d)  Each share of Company Capital Stock held by the Company as
treasury stock or owned by AvantGo or any Subsidiary of AvantGo at the Effective
Time shall be canceled, and no payment shall be made with respect thereto.

                (e)  For purposes of this Agreement, (i) the word "Subsidiary"
                                                                   ----------
when of the securities or other interests having by their terms ordinary voting
power to elect a majority of the board of directors or others performing similar
functions with respect to such corporation or other organization is directly or
indirectly owned or controlled by such Person or by any one or more of its
Subsidiaries; or (B) such Person or any other Subsidiary of such Person is a
general partner, it being understood that representations and warranties of a
Person concerning any former Subsidiary of such Person shall be deemed to relate
only to the periods during which such former Subsidiary was a Subsidiary of such
Person; and (ii) the word "Person" means an individual, a corporation, a limited
                           ------
liability company, a partnership, an association, a trust or any other entity or
organization, including a government or political subdivision or any agency or
instrumentality thereof, or any affiliate (as that term is defined in the
Securities Exchange Act of 1934, as amended, and the rules and regulations
promulgated thereunder (the "Exchange Act")) of any of the foregoing.
                             ------------

          1.5.  Company Stock Options.  All options to acquire Company Capital
                ---------------------
Stock (individually, a "Company Option" and collectively, the "Company Options")
                        --------------                         ---------------
outstanding at the Effective Time under the Globalware Computing, Inc. Stock
Option Plan (the "Company Stock Plan") shall remain outstanding following the
                  ------------------
Effective Time. At the Effective Time, such Company Options shall, by virtue of
the Merger and without any further action on the part of the Company or the
Optionees, be assumed by AvantGo in such manner that AvantGo (i) is a
corporation (or a parent or a subsidiary corporation of such corporation)
"assuming a stock option in a transaction to which Section 424(a) applied"
within the meaning of Section 424 of the Code; or (ii) to the extent that
Section 424 of the Code does not apply to any such Company Options, would be
such a corporation (or a parent or a subsidiary corporation of such corporation)
were Section 424 applicable to such option. Each Company Option that AvantGo
assumes shall be exercisable upon the same terms and conditions as under the
Company Stock Plan and the applicable option agreement issued thereunder, except
that (x) the unexercised portion of each such Company Option shall be
exercisable for that whole number of shares of Common Stock, par value $0.0001
per share, of AvantGo (the "AvantGo Common") (rounded down to the nearest whole
                            --------------
share) equal to the number of shares of Company Capital Stock subject to the
unexercised portion of such Company Option multiplied by the Exchange Ratio; and
(y) the option exercise price per share of AvantGo Common shall be an amount
equal to the option exercise price per share of Company Capital Stock subject to
such Company Option in effect at the Effective Time divided by the Exchange
Ratio (the option price per share, as

                                       3
<PAGE>

so determined, being rounded up to the nearest full cent). No payment shall be
made for fractional interests. The term, exercisability, vesting schedule,
status as an "incentive stock option" under Section 422 of the Code, if
applicable, and all of the other terms of the Company Options shall otherwise
remain unchanged. As soon as practicable after the Effective Time, AvantGo shall
deliver to the Optionees appropriate notices setting forth such Optionees'
rights pursuant to such Company Options, as amended by this Section 1.5. AvantGo
shall take all corporate actions necessary to reserve for issuance such number
of shares of AvantGo Common as will be necessary to satisfy exercises in full of
all Company Options after the Effective Time. An "Optionee," as used in this
                                                  --------
Agreement, means a holder of Company Options.

          1.6.  Closing Actions and Deliveries.
                ------------------------------

                (a)  Exchange of Certificates Representing Company Capital Stock
at Closing.

                     (i)   At the Closing, the Stockholders shall deliver to
AvantGo Certificates representing each of the issued and outstanding shares of
Company Capital Stock, duly endorsed for transfer or with valid stock powers
attached, together with a Stockholder Representation Statement in the form
attached hereto as Exhibit C (a "Rep. Letter"), duly executed and completed in
                   ---------     -----------
accordance with the instructions thereto, in exchange for shares of AvantGo
Stock. At the Closing, immediately following the surrender of the Certificates
representing shares of Company Capital Stock, each holder of the shares
represented by such Certificates shall receive a Certificate representing the
shares of AvantGo Stock to which such holder is entitled pursuant to Section
1.4(a) hereof, which Certificate shall be issued in such holder's name, and
shall also receive cash payable in lieu of any fractional shares, after giving
effect to any required withholding tax and less any shares subject to vesting
pursuant to the Employment Agreements and less the number of shares of AvantGo
Stock required to be deposited by such Stockholder into the Escrow pursuant to
the terms of Section 1.4 hereof.

                     (ii)  As of the Effective Time, AvantGo shall deposit or
cause to be deposited with the Escrow Agent Certificates (issued in the name of
the Escrow Agent or its nominee) representing the AvantGo Stock deposited in the
Escrow ("Escrow Shares"), as described in Section 1.4(b), for the purpose of
         -------------
securing the indemnification obligations of the Stockholders set forth in this
Agreement and the Escrow Agreement. The Escrow Shares shall be held by the
Escrow Agent under the Escrow Agreement pursuant to the terms thereof and shall
be disbursed in accordance with the terms of the Escrow Agreement. The adoption
of this Agreement and the approval of the Merger by the Stockholders shall
constitute approval of the Escrow Agreement and of all of the arrangements
relating thereto, including without limitation the placement of the Escrow
Shares in escrow and the decision of the Stockholders' Representative (as
defined in the Escrow Agreement) being binding on behalf of each Stockholder
with respect to the subject matter of the Escrow Agreement and for the purpose
of the taking of any and all actions and the making of any decisions required or
permitted to be taken or made by them under the Escrow Agreement.

                     (iii) No fractional shares of AvantGo Stock shall be issued
pursuant hereto. In lieu of the issuance of any fractional share of AvantGo
Stock pursuant to Section 1.4 (which fractional share amounts shall be
determined after aggregating each Stockholder's

                                       4
<PAGE>

allocation of AvantGo Stock), cash adjustments will be paid to holders in
respect of any fractional share of AvantGo Stock that would otherwise be
issuable, and the amount of such cash adjustment shall be equal to such
fractional proportion of the fair market value of a share of AvantGo Stock on
the Closing Date.

                (b)  Deliveries by the Stockholders and the Company at Closing.
                     ---------------------------------------------------------
In addition to the deliveries to be made at the Closing pursuant to Section
1.6(a) above, the Stockholders and the Company will deliver or cause to be
delivered to AvantGo at the Closing the following:

                     (i)   the Escrow Agreement executed by each of the
Stockholders;

                     (ii)  employment agreements with the Surviving Corporation
in substantially the form attached hereto as Exhibit E (the "Employment
                                             ---------       ----------
Agreements") executed by the respective Stockholders;
----------

                     (iii) certified copies of the resolutions of the Company's
Board of Directors and Stockholders approving and adopting this Agreement, the
Ancillary Documents and the transactions contemplated hereby and thereby;

                     (iv)  the opinion of Schiff Hardin & Waite as to the
matters set forth in Exhibit G, subject to customary qualifications, exceptions
                     ---------
and limitations;

                     (v)   Non-Solicitation and Non-Competition Agreements in
substantially the form attached hereto as Exhibit H executed by each of the
                                          ---------
Stockholders;

                     (vi)  Proprietary Information and Inventions Agreements in
substantially the form attached hereto as Exhibit I executed by each of the
                                          ---------
Stockholders and each of the Company's other current employees; and

                     (vii) such other customary corporate deliverables as
AvantGo shall reasonably request.

                (c)  Deliveries by AvantGo and AvantGo Sub at Closing.  In
                     ------------------------------------------------
addition to the deliveries to be made at the Closing pursuant to Section 1.6(a)
above, AvantGo and AvantGo Sub will also deliver or cause to be delivered to the
Stockholders at the Closing the following:

                     (i)   the Escrow Agreement executed by AvantGo and the
Escrow Agent;

                     (ii)  Employment Agreements with the Stockholders executed
by the Surviving Corporation;

                     (iii) certified copies of the resolutions of AvantGo and
AvantGo Sub approving and adopting this Agreement, the AvantGo Ancillary
Documents and the transactions contemplated hereby and thereby;

                                       5
<PAGE>

                     (iv)  the opinion of Perkins Coie LLP as to the matters
set forth in Exhibit F, subject to customary qualifications, exceptions and
             ---------
limitations;

                     (v)   Non-Solicitation and Non-Competition Agreements in
substantially the form attached hereto as Exhibit H executed by AvantGo;
                                          ---------

                     (vi)  Proprietary Information and Inventions Agreements in
substantially the form attached hereto as Exhibit I executed by AvantGo; and
                                          ---------

                     (vii) such other customary corporate deliverables as the
Stockholders shall reasonably request.

          1.7.  Adjustment of Exchange Ratio. In the event that, subsequent to
                ----------------------------
date of this Agreement but prior to the Effective Time, the outstanding shares
of AvantGo capital stock or Company Capital Stock shall have been changed into a
different number of shares or a different class as a result of a stock split,
reverse stock split, stock dividend, subdivision, reclassification, split,
combination, exchange, recapitalization or other similar transaction, the
Exchange Ratio shall be appropriately adjusted as if the AvantGo Stock had been
issued immediately prior to any such transaction.

          1.8.  Stockholders' Waiver of Dissenter Rights. Each Stockholder, by
                ----------------------------------------
the Stockholder's execution of a signature page hereto, hereby waives all of the
Stockholder's rights to object to the Merger pursuant to any and all provisions
of applicable law concerning rights to dissent from the Merger and to require
appraisal of shares of Company Capital Stock, including such Stockholder's
rights under Sections 5/11.65 and 5/11.70 of the Illinois Business Corporation
Act.

          1.9.  Taking of Necessary Action; Further Action. If, at any time
                ------------------------------------------
after the Effective Time, any further action is necessary or desirable to effect
the Merger, to carry out the purposes of this Agreement and to vest the
Surviving Corporation with full right, title and possession to all assets,
property, rights, privileges, powers and franchises of the Company and AvantGo
Sub, the officers and directors of the Company and AvantGo Sub are fully
authorized in the name of their respective corporations or otherwise to take,
and hereby agree to take, all such lawful and necessary action, so long as such
action is consistent with this Agreement.

                                  ARTICLE II.

                          CERTAIN MATTERS RELATING TO
                           THE SURVIVING CORPORATION

          2.1.  Articles of Incorporation of the Surviving Corporation. The
                ------------------------------------------------------
articles of incorporation of the Company in effect at the Effective Time shall
be the articles of incorporation of the Surviving Corporation until amended in
accordance with its terms and pursuant to applicable law.

          2.2.  By-Laws of the Surviving Corporation. The By-Laws of AvantGo
                ------------------------------------
Sub in effect at the Effective Time shall be the By-Laws of the Surviving
Corporation until amended in

                                       6
<PAGE>

accordance with the terms of such By-Laws and pursuant to applicable law and the
Certificate of Incorporation of the Surviving Corporation.

          2.3.  Directors of the Surviving Corporation. The directors of AvantGo
                --------------------------------------
Sub at the Effective Time shall be the directors of the Surviving Corporation
immediately after the Effective Time, to hold office until their successors are
duly appointed or elected in accordance with applicable law.

          2.4.  Officers of the Surviving Corporation. The officers of AvantGo
                -------------------------------------
Sub at the Effective Time shall be the officers of the Surviving Corporation
immediately after the Effective Time, to hold office until their successors are
duly appointed or elected in accordance with applicable law.

                                 ARTICLE III.

           REPRESENTATIONS AND WARRANTIES OF AVANTGO AND AVANTGO SUB

          AvantGo and AvantGo Sub represent and warrant to the Company and the
Stockholders that the statements contained in this Article III are true and
correct, except as set forth in the disclosure statement delivered by AvantGo
and AvantGo Sub to the Company and the Stockholders concurrently herewith and
identified as the "AvantGo Disclosure Statement."  All exceptions noted in the
                   ----------------------------
AvantGo Disclosure Statement shall be numbered to correspond to the applicable
sections or subsections to which such exception refers.

          3.1.  Existence, Good Standing, Corporate Authority. Each of AvantGo
                ---------------------------------------------
and AvantGo Sub (i) is a corporation duly incorporated, validly existing and in
good standing under the laws of its respective jurisdiction of incorporation;
(ii) has all requisite power and authority to own or lease, and operate its
properties and assets, and to carry on its business as now conducted and as
currently proposed to be conducted, except where the failure to have such power
and authority would not have an AvantGo Material Adverse Effect (as defined
herein); and (iii) is duly qualified or licensed to do business and is in good
standing in all jurisdictions in which it owns or leases property or in which
the conduct of its business requires it to so qualify or be licensed, except
where the failure to so qualify or be licensed would not have an AvantGo
Material Adverse Effect. The copies of AvantGo's and AvantGo Sub's Certificates
of Incorporation and By-Laws previously delivered to the Company are true and
correct. For purposes of this Agreement, a "Material Adverse Effect" when used
                                            -----------------------
with respect to any entity means (a) a material adverse effect on the business,
results of operations or financial condition of such entity and its
subsidiaries, if any, taken as a whole, or (b) a material impairment in the
ability of such entity or its subsidiaries to perform any of their obligations
under this Agreement or to consummate the Merger.

          3.2.  Authorization of Agreement and Other Documents. The execution
                ----------------------------------------------
and delivery of this Agreement and the other documents executed or to be
executed in connection herewith to which AvantGo or AvantGo Sub is a party
(including, but not limited to, the Escrow Agreement and the Employment
Agreements) (collectively, the "AvantGo Ancillary Documents") have been duly
                                ---------------------------
authorized by the Board of Directors of AvantGo and AvantGo Sub and no other
proceedings on the part of AvantGo or AvantGo Sub or their respective
stockholders are necessary

                                       7
<PAGE>

to authorize the execution, delivery or performance of this Agreement or any
AvantGo Ancillary Document. This Agreement is, and, as of the Closing Date, each
of the AvantGo Ancillary Documents will be, a valid and binding obligation of
AvantGo and/or AvantGo Sub to the extent each is a party thereto, enforceable
against AvantGo and/or AvantGo Sub to the extent each is a party thereto in
accordance with its terms, except to the extent that enforcement thereof may be
limited by bankruptcy, insolvency, reorganization, moratorium, fraudulent
conveyance or other similar laws affecting enforcement of creditors' rights
generally, and by general principles of equity (regardless of whether
enforcement is considered in a proceeding at law or in equity).

          3.3.  No Violation. Neither the execution and delivery by AvantGo and
                ------------
AvantGo Sub of this Agreement nor the AvantGo Ancillary Documents, nor the
consummation by AvantGo and AvantGo Sub of the transactions contemplated hereby
and thereby in accordance with their respective terms, will (a) conflict with or
result in a breach of any provisions of the Certificates of Incorporation or By-
Laws of AvantGo or AvantGo Sub; (b) result in a breach or violation of, a
default under, or the triggering of any payment or other material obligations
pursuant to, or accelerate vesting under, any of the AvantGo stock option plans,
or any grant or award made under any of the foregoing; (c) violate, conflict
with, result in a breach of any provision of, constitute a default (or an event
which, with notice or lapse of time or both, would constitute a default) under,
result in the termination, or in a right of termination or cancellation of,
accelerate the performance required by, result in the triggering of an increase
in any payment or other material obligations pursuant to, result in the creation
of any lien, security interest, charge or encumbrance upon any of the material
properties of AvantGo or AvantGo Sub under, or result in being declared void,
voidable, or without further binding effect, any of the terms, conditions or
provisions of any note, bond, mortgage, indenture, deed of trust or any material
license, franchise, permit, lease, contract, agreement or other instrument,
commitment or obligation to which AvantGo or AvantGo Sub is a party, or by which
AvantGo or AvantGo Sub or any of their respective properties is bound or
affected, except for any of the foregoing matters which would not have an
AvantGo Material Adverse Effect; (d) contravene or conflict with or constitute a
violation of any provision of any law, regulation, judgment, injunction, order
or decree binding upon or applicable to AvantGo or AvantGo Sub, except for any
of the foregoing matters which would not have an AvantGo Material Adverse
Effect; or (e) other than the approvals and filings provided for in Section 1.3,
filings under applicable federal, state and local laws and regulations, the
Securities Act, or applicable state securities and "Blue Sky" laws or filings in
connection with the maintenance of qualification to do business in other
jurisdictions (collectively, the "Filings"), require any material consent,
                                  -------
approval, order or authorization of, or declaration, qualification, designation,
filing or registration with, any domestic governmental or regulatory authority,
the failure to obtain or make which would have a AvantGo Material Adverse
Effect.

          3.4.  No Brokers. AvantGo has not entered into any contract,
                ----------
arrangement or understanding with any person or firm which may result in the
obligation of the Company or AvantGo, AvantGo Sub or their respective
Subsidiaries to pay any finder's fee, brokerage or agent's commissions or other
like payments in connection with the negotiations leading to this Agreement or
the consummation of the transactions contemplated hereby.

          3.5.  AvantGo Stock. The issuance and delivery by AvantGo of shares of
                -------------
AvantGo Stock in connection with the Merger and this Agreement will be duly and
validly authorized by all

                                       8
<PAGE>

necessary corporate action on the part of AvantGo. The shares of AvantGo Stock
to be issued in connection with the Merger and this Agreement, when issued in
accordance with the terms of this Agreement, will be duly and validly issued,
fully paid and nonassessable, and free and clear of all preemptive rights,
liens, pledges, security interests, claims and other encumbrances and
restrictions on voting and transfer (other than those imposed by the this
Agreement, any Ancillary Documents, the Employment Agreements and applicable
state and federal securities laws). Based in part upon the representations of
the Stockholders in the Rep. Letter, the AvantGo Stock to be issued to the
Stockholders in the Merger and the AvantGo Common to be issued upon the exercise
of Company Options assumed by AvantGo will be issued in compliance with all
applicable federal and state securities laws and neither AvantGo nor any
authorized agent acting on its behalf will take any action hereafter that would
cause the loss of such exemption.

          3.6.  Capitalization. As of immediately prior to the Closing:
                --------------

                (a)  The total authorized capital stock of AvantGo consists of:

                     (i)   18,472,082 shares of Preferred Stock, (i) 4,434,156
of which shares have been designated Series A Preferred Stock, all of which are
issued and outstanding as of the date hereof, (ii) 3,301,886 of which have been
designated Series B Preferred Stock, all of which are issued and outstanding as
of the date hereof, (iii) 3,736,040 of which have been designated Series C
Preferred Stock, all of which are issued and outstanding as of the date hereof,
(iv) 5,000,000 of which have been designated Series D Preferred Stock, 3,726,094
of which are issued and outstanding as of the date hereof and 358,851 of which
have been reserved for issuance upon exercise of outstanding warrants to
purchase shares of Series D Preferred Stock (the "Series D Warrants") and (v)
                                                  -----------------
2,000,000 of which shares have been designated Series E Preferred Stock, none of
which are issued and outstanding as of the date hereof. The rights, privileges
and preferences of the Series A, Series B, Series C, Series D and Series E
Preferred Stock are as stated in AvantGo's Sixth Amended and Restated
Certificate of Incorporation. All issuances of shares of Series A, Series B,
Series C and Series D Preferred Stock referenced above have been consummated.
The shares of Series A, Series B, Series C and Series D Preferred Stock issued
by AvantGo were duly authorized, validly issued, fully paid, nonassessable, free
and clear of all liens, pledges, security interests, claims or other
encumbrances and restrictions on voting and transfer (other than those imposed
by the purchasers thereof), and based in part on the representations made by the
purchasers thereof, were exempt from registration under Section 5 of the
Securities Act, and the California Corporate Securities Law of 1968, as amended,
and were issued in compliance with all other applicable federal and state laws.

                     (ii)  45,000,000 shares of Common Stock, 10,191,809 shares
of which are issued and outstanding as of the date hereof. All of the
outstanding shares of Common Stock were duly authorized, validly issued, fully
paid and nonassessable and were issued in compliance with all applicable federal
and state laws. Other than as described in clause (i) above and in this clause
(ii), there are no shares of AvantGo of any class authorized, issued or
outstanding.

                     (iii) AvantGo has reserved 9,213,600 shares of Common Stock
for issuance to officers, directors, employees and consultants of AvantGo
pursuant to its 1997 Stock Option Plan duly adopted by AvantGo's Board of
Directors and approved by AvantGo's

                                       9
<PAGE>

stockholders (the "Stock Plan"), of which options to purchase 4,191,336 shares
                   ----------
of Common Stock are outstanding or committed for issuance as of the date hereof,
3,617,309 shares of Common Stock have been issued pursuant to option exercises,
12,500 shares of Common Stock have been issued pursuant to stock grants under
the Stock Plan and 464,705 shares are available for future issuance under the
Stock Plan. 927,750 shares of Common Stock purchased under options issued
pursuant to the Stock Plan have been repurchased by the Company pursuant to the
Company's repurchase rights and are no longer available for issuance under the
Stock Plan. AvantGo has reserved (A) 4,434,156 shares of Common Stock for
issuance upon conversion of the Series A Preferred Stock, (B) 3,301,886 shares
of Common Stock for issuance upon conversion of the Series B Preferred Stock,
(C) 3,736,040 shares of Common Stock for issuance upon conversion of the Series
C Preferred Stock, (D) 5,000,000 shares of Common Stock for issuance upon
conversion of the Series D Preferred Stock and (E) 2,000,000 shares of Common
Stock for issuance upon conversion of the Series E Preferred Stock.

                (b)  Except for (A) the conversion privileges of the Series A
Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D
Preferred Stock, Series E Preferred Stock and the Series D Warrants, (B) the
registration rights and rights of first offer as set forth in AvantGo's Third
Amended and Restated Investors' Rights Agreement (the "Investors' Rights
                                                       -----------------
Agreement"), a copy of which has been provided to the Company's counsel (C)
---------
rights of first refusal as set forth in AvantGo's Third Amended and Restated
Right of First Refusal and Co-Sale Agreement, a copy of which has been provided
to the Company's counsel, and (D) 9,213,600 shares of Common Stock reserved for
issuance pursuant to the Stock Plan, there are currently no outstanding (i)
securities convertible into or exchangeable for any capital stock of AvantGo or
AvantGo Sub; (ii) options, warrants or other rights to purchase or subscribe to
capital stock of AvantGo or AvantGo Sub or securities convertible into or
exchangeable for capital stock of AvantGo or AvantGo Sub, or (iii) contracts,
commitments, agreements, understandings, arrangements, calls or claims of any
kind relating to the issuance of any capital stock of AvantGo or AvantGo Sub.

                (c)  The total authorized capital stock of AvantGo Sub consists
of 1,000 shares of common stock, $0.0001 par value per share, 100 of which are,
and, as of the Closing Date, will be, issued, outstanding and owned by AvantGo.

          3.7.  Subsidiaries. Aside from AvantGo Sub, AvantGo does not have any
                ------------
Subsidiaries and does not own or control, directly or indirectly, any interest
in any other corporation, association, or other business entity. AvantGo is not
a participant in any joint venture, partnership or similar arrangement.

          3.8.  Litigation. There is no action, suit, proceeding or
                ----------
investigation pending or, to the knowledge of AvantGo and AvantGo Sub, currently
threatened against AvantGo or any of its Subsidiaries (a) related to the
consummation of the transactions contemplated hereby or by the AvantGo Ancillary
Documents or the Ancillary Documents , or (b) that could reasonably result,
either individually or in the aggregate, in an AvantGo Material Adverse Effect,
or any change in the current equity ownership of AvantGo. The foregoing
includes, without limitation, actions, suits, proceedings or investigations
pending or threatened involving the prior employment of any of AvantGo's
employees, their use in connection with AvantGo's business of any information or

                                       10
<PAGE>

techniques allegedly proprietary to any of their former employers, or their
obligations under any agreements with prior employers. Neither AvantGo nor any
of its Subsidiaries is a party or subject to the provisions of any order, writ,
injunction, judgment or decree of any court or government agency or
instrumentality. There is no action, suit, proceeding or investigation by
AvantGo or any of its Subsidiaries currently pending or which AvantGo or any of
its Subsidiaries intends to initiate.

          3.9.  Intellectual Property. To its knowledge, AvantGo owns or
                ---------------------
possesses sufficient legal rights to all patents, trademarks, service marks,
trade names, copyrights, trade secrets, licenses, information and proprietary
rights and processes necessary for its business as now conducted and as
currently proposed to be conducted without any conflict with, or infringement
of, the rights of others. There are no outstanding options, licenses or
agreements of any kind relating to the foregoing, nor is AvantGo bound by or a
party to any options, licenses or agreements of any kind with respect to the
patents, trademarks, service marks, trade names, copyrights, trade secrets,
licenses, information, proprietary rights and processes of any other person or
entity. AvantGo has received no notice of any communications alleging that
AvantGo has violated or, by conducting its business as currently proposed, would
violate any of the patents, trademarks, service marks, trade names, copyrights,
trade secrets or other proprietary rights or processes of any other person or
entity that is reasonably likely to result in an AvantGo Material Adverse
Effect. To its knowledge, no person has the right to assert any claims against
AvantGo regarding AvantGo's use of or rights to its patents, trademarks, service
marks, trade names, copyrights, trade secrets or other proprietary rights.
AvantGo is not aware that any of its employees is obligated under any contract
(including licenses, covenants or commitments of any nature) or other agreement,
or subject to any judgment, decree or order of any court or administrative
agency, that would interfere with the use of such employee's best efforts to
promote the interest of AvantGo or that would conflict with AvantGo's business
as currently proposed to be conducted. Neither the execution or delivery of this
Agreement, nor the carrying on of AvantGo's business by the employees of
AvantGo, nor the conduct of AvantGo's business as currently proposed, will, to
the best of AvantGo's knowledge, conflict with or result in a breach of the
terms, conditions, or provisions of, or constitute a default under, any
contract, covenant or instrument under which any such employee is now obligated.
AvantGo does not believe it is or will be necessary to use any inventions of any
of its employees (or persons it currently intends to hire) made prior to their
employment by AvantGo.

          3.10. Title to Property and Assets. AvantGo owns and has good and
                ----------------------------
marketable title to its property and assets free and clear of all mortgages,
liens, loans and encumbrances, except such encumbrances and liens which arise in
the ordinary course of business and do not materially impair AvantGo's ownership
or use of such property or assets. With respect to the property and assets it
leases, AvantGo is in compliance with such leases and, to the best of its
knowledge, holds a valid leasehold interest free of any liens, claims or
encumbrances, mortgages or security interests. All facilities, machinery,
equipment, fixtures, vehicles and other properties owned or leased by AvantGo
are in good operating condition and repair and are reasonably fit and usable for
the purposes for which they are currently being used.

          3.11. Employee Benefit Plans. AvantGo does not have any Employee
                ----------------------
Benefit Plan as defined in the Employee Retirement Income Security Act of 1974,
as amended to date.

                                       11
<PAGE>

          3.12.  Tax Returns and Payments. AvantGo and AvantGo Sub have filed
                 ------------------------
all tax returns and reports as required by law. These returns and reports are
true and correct in all material respects. AvantGo and AvantGo Sub have paid all
taxes and other assessments due. There is no pending dispute with any taxing
authority relating to any of such returns and AvantGo and AvantGo Sub have not
received notice of any proposed liability for any tax to be imposed upon the
properties or assets of AvantGo or AvantGo Sub.

          3.13.  Labor Agreements and Actions. Neither AvantGo nor AvantGo Sub
                 ----------------------------
is bound by or subject to (and none of its assets or properties is bound by or
subject to) any written or oral, express or implied, contract, commitment or
arrangement with any labor union, and no labor union has requested or, to the
best of the AvantGo's and AvantGo Sub's knowledge, has sought to represent any
of the employees, representatives or agents of AvantGo or AvantGo Sub. There is
no strike or other labor dispute involving AvantGo or AvantGo Sub pending, or to
the knowledge of AvantGo and AvantGo Sub threatened, which could have an AvantGo
Material Adverse Effect on the assets, properties, financial condition,
operating results, cash flow, or business of AvantGo or AvantGo Sub (as such
businesses are presently conducted and as they are currently proposed to be
conducted), nor is AvantGo or AvantGo Sub aware of any labor organization
activity involving its employees. The employment of each officer and employee of
AvantGo and AvantGo Sub is terminable at the will of AvantGo and AvantGo Sub,
respectively. To their knowledge, AvantGo and AvantGo Sub have complied in all
material respects with all applicable state and federal equal employment
opportunity laws and with other laws related to employment. To the best of the
AvantGo's and AvantGo Sub's knowledge, no employee of AvantGo or AvantGo Sub,
nor any consultant with whom AvantGo or AvantGo Sub has contracted, is in
violation of any term of any employment contract, proprietary information
agreement, or any other agreement relating to the right of such individual to be
employed by, or to contract with, AvantGo or AvantGo Sub because of the nature
of the business to be conducted by the AvantGo or AvantGo Sub; and the continued
employment by AvantGo and AvantGo Sub of its present employees, and the
performance of AvantGo's and AvantGo Sub's contracts with its independent
contractors will not result in any such violation. AvantGo and AvantGo Sub have
not received any notice from any previous or current employee, consultant or
other individual alleging that such violation has occurred. AvantGo and AvantGo
Sub are not aware that any officer or employee critical to the future success of
AvantGo and AvantGo Sub, or that any group of such employees, intends to
terminate their employment with AvantGo or AvantGo Sub, nor does AvantGo or
AvantGo Sub intend to terminate the employment of any of the foregoing.

          3.14.  Agreements; Action.
                 ------------------

                 (a)  Except for this Agreement and the Ancillary Documents,
there are no agreements, understandings or proposed transactions between AvantGo
and any of its officers, directors, affiliates, or any affiliate thereof.

                 (b)  Except as provided in this Agreement and the Ancillary
Documents, there are no agreements, judgments, orders, writs, decrees,
understandings, instruments, contracts or proposed transactions to which AvantGo
or any of its Subsidiaries is a party or by which it is bound that involve (i)
obligations (contingent or otherwise) of, or payments to, AvantGo or any of its
subsidiaries in excess of, $50,000, (ii) the license of any patent, copyright,
trade secret or other

                                       12
<PAGE>

proprietary right to or from AvantGo or any of its Subsidiaries, or (iii) the
grant of rights to manufacture, produce, assemble, license, market, or sell its
products to any other person or affect AvantGo's exclusive right to develop,
manufacture, assemble, distribute, market or sell its products.

                 (c)  Neither AvantGo nor any of its Subsidiaries has (i)
declared or paid any dividends, or authorized or made any distribution upon or
with respect to any class or series of its capital stock, (ii) incurred any
indebtedness for money borrowed or incurred any other liabilities individually
in excess of $50,000 or in excess of $150,000 in the aggregate, (iii) made any
loans or advances to any person, or (iv) sold, exchanged or otherwise disposed
of any of its assets or rights, other than the sale of its inventory in the
ordinary course of business.

                 (d)  For the purposes of subsections (b) and (c) above, all
indebtedness, liabilities, agreements, understandings, instruments, contracts
and proposed transactions involving the same person or entity (including persons
or entities AvantGo has reason to believe are affiliated therewith) shall be
aggregated for the purpose of meeting the individual minimum dollar amounts of
such subsections.

                 (e)  To its knowledge, AvantGo has performed all material
obligations required to be performed by it as of the date hereof under any
material agreement to which AvantGo is a party or to which it is bound. AvantGo
is not a party to and is not bound by any contract, agreement or instrument, or
subject to any restriction under its Certificate of Incorporation, as amended to
date, or Bylaws, that adversely affects its business as now conducted or
currently proposed to be conducted, its properties or its financial condition.
To AvantGo's knowledge, each such agreement is in full force and effect, except
(a) as limited by applicable bankruptcy, insolvency, reorganization, moratorium,
fraudulent conveyance, and other laws of general application affecting
enforcement of creditors' rights generally, as limited by laws relating to the
availability of specific performance, injunctive relief, or other equitable
remedies, or (b) to the extent the indemnification provisions contained in the
Investors' Rights Agreement may be limited by applicable federal or state
securities laws, except where such unenforceability would not have a Material
Adverse Effect.

          3.15.  Disclosure. AvantGo has fully provided the Company and the
                 ----------
Stockholders, or their counsel, with all the information which they have
requested for deciding whether to enter into the transactions contemplated
hereby and all information which AvantGo believes is reasonably necessary to
enable the Company and the Stockholders to make such a decision (collectively,
the "Business Materials"). No representation or warranty of AvantGo contained
     ------------------
in this Agreement and the exhibits attached hereto (when read together) contains
any untrue statement of a material fact or omits to state a material fact
necessary in order to make the statements contained herein or therein not
misleading in light of the circumstances under which they were made. To the best
of AvantGo's knowledge, after reasonable investigation, there are no facts which
(individually or in the aggregate) materially adversely affect AvantGo that have
not been set forth in this Agreement, the exhibits hereto, the Ancillary
Documents or in other documents delivered to the Company, the Stockholders or
their attorneys in connection herewith or therewith.

          3.16.  No Conflict of Interest. AvantGo is not indebted, directly or
                 -----------------------
indirectly, to any of its officers or directors or to their respective spouses
or children, in any amount whatsoever other than in connection with expenses or
advances of expenses incurred in the ordinary course of

                                       13
<PAGE>

business. None of AvantGo's officers or directors, or any members of their
immediate families, are, directly or indirectly, indebted to AvantGo (other than
in connection with purchases of AvantGo's stock) or have any direct or indirect
ownership interest in any firm or corporation with which AvantGo is affiliated
or with which AvantGo has a business relationship, or any firm or corporation
which competes with AvantGo except that officers, directors and/or stockholders
of AvantGo may own stock in (but not exceeding two percent of the outstanding
capital stock of) any publicly traded companies that may compete with AvantGo.
To the best of AvantGo's knowledge, none of AvantGo's officers or directors or
any members of their immediate families are, directly or indirectly, interested
in or party to any material contract with AvantGo. AvantGo is not a guarantor or
indemnitor of any indebtedness of any other person, firm or corporation.

          3.17.  Rights of Registration and Voting. Except as contemplated in
                 ---------------------------------
the Investors' Rights Agreement, AvantGo has not granted or agreed to grant any
registration rights, including piggyback rights, to any person or entity. To the
best of AvantGo's knowledge, except as contemplated in the Voting Agreement and
in this Agreement, no stockholders of AvantGo have entered into any agreements
with respect to the voting of capital shares of AvantGo.

          3.18.  Manufacturing and Marketing Rights. AvantGo has not granted
                 ----------------------------------
rights to manufacture, produce, assemble, license, market, or sell its products
to any other person and is not bound by any agreement that affects AvantGo's
exclusive right to develop, manufacture, assemble, distribute, market or sell
its products.

          3.19.  Financial Statements. AvantGo has delivered to the Company or
                 --------------------
its counsel its unaudited financial statements (balance sheet and statements of
operations, and statement of cash flows) as of December 31, 1999 and for the
fiscal year ended December 31, 1999 (the "Financial Statements"). The Financial
Statements have been prepared in accordance with generally accepted accounting
principles applied on a consistent basis throughout the periods indicated and
with each other, except that the Financial Statements may not contain all
footnotes required by generally accepted accounting principles. The Financial
Statements fairly present the financial condition, operating results and cash
flows of AvantGo as of the dates, and for the periods, indicated therein,
subject to normal year-end audit adjustments. Except as set forth in the
Financial Statements, AvantGo has no material liabilities, contingent or
otherwise, other than (i) liabilities incurred in the ordinary course of
business subsequent to December 31, 1999 and (ii) obligations under contracts
and commitments incurred in the ordinary course of business and not required
under generally accepted accounting principles to be reflected in the Financial
Statements, which, in both cases, individually or in the aggregate, are not
material to the financial condition, operating results or cash flows of AvantGo.
Except as disclosed in the Financial Statements, AvantGo is not a guarantor or
indemnitor of any indebtedness of any other person, firm or corporation. AvantGo
maintains and will continue to maintain a standard system of accounting
established and administered in accordance with generally accepted accounting
principles.

          3.20.  Changes. Since December 31, 1999, there has not been:
                 -------

                 (a)  any change in the assets, liabilities, financial condition
or operating results of AvantGo from that reflected in the Financial Statements,
except changes in the ordinary

                                       14
<PAGE>

course of business that have not been, in the aggregate, materially adverse to
the assets, financial condition or operations of AvantGo;

                 (b)  any damage, destruction or loss, whether or not covered by
insurance, materially and adversely affecting the business, properties,
prospects, financial condition or operating results of AvantGo (as such business
is presently conducted and as it is currently proposed to be conducted);

                 (c)  any waiver or compromise by AvantGo of a valuable right or
of a material debt owed to it;

                 (d)  any satisfaction or discharge of any lien, claim, or
encumbrance or payment of any obligation by AvantGo, except in the ordinary
course of business and that is not material to the business, properties,
prospects or financial condition of AvantGo (as such business is presently
conducted and as it is currently proposed to be conducted);

                 (e)  any material change to a material contract or agreement by
which AvantGo or any of its assets is bound or subject; any material change in
any compensation arrangement or agreement with any key employee, officer,
director or stockholder;

                 (g)  any sale, assignment or transfer of any patents,
trademarks, copyrights, trade secrets or other intangible assets;

                 (h)  any resignation or termination of employment of any
officer or key employee of AvantGo; and AvantGo, to the best of AvantGo's
knowledge, does not know of any impending resignation or termination of
employment of any such officer or key employee;

                 (i)  receipt of notice that there has been a loss of, or
material order cancellation by, any major customer of AvantGo;

                 (j)  any mortgage, pledge, transfer of a security interest in,
or lien, created by AvantGo, with respect to any of its material properties or
assets, except liens for taxes not yet due or payable;

                 (k)  any loans or guarantees made by AvantGo to or for the
benefit of its employees, officers or directors, or any members of their
immediate families, other than travel advances and other advances made in the
ordinary course of its business;

                 (l)  any declaration, setting aside or payment or other
distribution in respect to any of AvantGo's capital stock, or any direct or
indirect redemption, purchase, or other acquisition of any of such stock by
AvantGo;

                 (m)  to the best of AvantGo's knowledge, any other event or
condition of any character that might materially and adversely affect the
business, properties, prospects or

                                       15
<PAGE>

financial condition of AvantGo (as such business is presently conducted and as
it is currently proposed to be conducted); or

                 (n)  any arrangement or commitment by AvantGo to do any of the
things described in this Section 3.20.

          3.21.  Proprietary Information and Inventions Agreements. Each
                 -------------------------------------------------
employee, consultant and officer of AvantGo has executed an agreement with
AvantGo regarding confidentiality and proprietary information substantially in
the form or forms delivered to the counsel for the Company. AvantGo, after
reasonable investigation, is not aware that any of its employees or consultants
is in violation thereof, and AvantGo will use its best efforts to prevent any
such violation. All consultants to or vendors of AvantGo with access to
confidential information of AvantGo are parties to a written agreement
substantially in the form or forms provided to counsel for the Company under
which, among other things, each such consultant or vendor is obligated to
maintain the confidentiality of confidential information of AvantGo. AvantGo,
after reasonable investigation, is not aware that any of its consultants or
vendors are in violation thereof, and AvantGo will use its best efforts to
prevent any such violation.

          3.22.  Permits.  AvantGo and each of its subsidiaries has all
                 -------
franchises, permits, licenses and any similar authority necessary for the
conduct of its business as now being conducted by it, the lack of which could
materially and adversely affect the business, properties, prospects, or
financial condition of AvantGo and believes that it can obtain, without undue
burden or expense, any similar authority for the conduct of its business as
currently conducted and as planned to be conducted. AvantGo is not in default in
any material respect under any of such franchises, permits, licenses or other
similar authority.

          3.23.  Corporate Documents. AvantGo's Certificate of Incorporation,
                 -------------------
as amended, and Bylaws are in the form provided to counsel for the Company. The
copy of the minute books of AvantGo provided to the Company's counsel contains
minutes of all meetings of directors and stockholders and all actions by written
consent without a meeting by the directors and stockholders since the date of
incorporation and reflects all actions by the directors (and any committee of
directors) and stockholders with respect to all transactions referred to in such
minutes accurately in all material respects.

          3.24.  Real Property Holding Corporation. AvantGo is not a United
                 ---------------------------------
States real property holding corporation within the meaning of Internal Revenue
Code Section 897(c)(2) and any regulations promulgated thereunder.

                                  ARTICLE IV.

      REPRESENTATIONS AND WARRANTIES OF THE COMPANY AND THE STOCKHOLDERS

          The Company and each of the Stockholders, jointly and severally
represent and warrant to AvantGo and AvantGo Sub that the statements contained
in this Article IV are true and

                                       16
<PAGE>

correct, except as set forth in the disclosure statement delivered by the
Company and the Stockholders to AvantGo and AvantGo Sub concurrently herewith
and identified as the "Disclosure Statement." All exceptions noted in the
                       --------------------
Disclosure Statement shall be numbered to correspond to the applicable sections
or subsections to which such exception refers; provided, however that any
                                               --------  -------
disclosure set forth on any particular schedule shall be deemed disclosed in
reference to all applicable schedules.

          4.1.  Organization, Standing and Qualification. The Company (i) is a
                ----------------------------------------
corporation duly organized, validly existing and in good standing under the laws
of its jurisdiction of incorporation; (ii) has all requisite power and authority
to own or lease, and operate its properties and assets, and to carry on its
business as now conducted and as currently proposed to be conducted, except
where the failure to have such power and authority would not have a Company
Material Adverse Effect; and(iii) is duly qualified or licensed to do business
and is in good standing in all jurisdictions in which it owns or leases property
or in which the conduct of its business requires it to so qualify or be
licensed, except where the failure to so qualify or be licensed would not have a
Company Material Adverse Effect.

          4.2.  Capitalization.
                --------------

                (a)  The total authorized capital stock of the Company consists
of 10,000 shares of common stock, no par value, 900 shares of which are issued
and outstanding as of the date of this Agreement and 100 shares of which are
held in the treasury of the Company. There are no shares of capital stock of the
Company of any other class authorized, issued or outstanding. The Stockholders
and their respective fully diluted ownership interests and Proportionate
Interests in the Company are listed on Exhibit A attached hereto.
                                       ---------

                (b)  Each share of the outstanding Company Capital Stock is (i)
duly authorized and validly issued and was issued in compliance with all federal
and state laws; (ii) fully paid and nonassessable and free of preemptive and
similar rights; and (iii) free and clear of all liens, pledges, security
interests, claims or other encumbrances and restrictions on voting and transfer
other than restrictions on transfer imposed by Federal and state securities
laws.

                (c)  The Company has reserved 100 shares of common stock (the
"Option Shares") for issuance to officers, directors, employees and consultants
 -------------
of the Company pursuant to the Company Stock Plan. The Company Stock Plan has
been duly adopted by the Company's Board of Directors (the "Board") and approved
                                                            -----
by the Company's stockholders. 84 Company Options, each of which is currently
exercisable for one Option Share, are currently outstanding, no shares of common
stock have been issued upon the exercise of any Company Options and 16 shares
are available for future issuance under the Company Stock Plan. Except as set
forth in the prior sentence and except pursuant to this Agreement, there are
currently no outstanding (i) securities convertible into or exchangeable for any
capital stock of the Company, (ii) options, warrants or other rights to purchase
or subscribe to capital stock of the Company or securities convertible into or
exchangeable for capital stock of the Company, or (iii) contracts, commitments,
agreements, understandings, arrangements, calls or claims of any kind to which
the Company is a party or is bound relating to the issuance of any capital stock
of the Company.

                                       17
<PAGE>

                (d)  Each Optionee's Option Shares vest and become exercisable
as set forth on Exhibit A attached thereto.
                ---------

          4.3.  Subsidiaries. The Company has no Subsidiaries and does not own
                ------------
or control, directly or indirectly, any interest in any other corporation,
association, or other business entity. The Company is not a participant in any
joint venture, partnership or similar arrangement.

          4.4.  Ownership Interests. The Company does not own any direct or
                -------------------
indirect interest in any corporation, joint venture, limited liability company,
partnership, association or other entity. Since its formation, the Company has
not (i) disposed of all or substantially all of the capital stock (other than
Company Capital Stock) or all or substantially all of the assets of any ongoing
business, or (ii) purchased the business and/or all or substantially all of the
assets of another person, firm or corporation (whether by purchase of stock,
assets, merger or otherwise).

          4.5.  Constituent Documents. True and complete copies of the
                ---------------------
Certificate of Incorporation and all amendments thereto, the By-Laws as amended
and currently in force, all stock records, and all corporate minute books and
records of the Company have been furnished or made available by the Company to
AvantGo for inspection. Said stock records accurately reflect all stock
transactions and the current stock ownership of the Company. The corporate
minute books and records of the Company contain true and complete copies of all
resolutions adopted by the stockholders of the Company and the Board and any
other action formally taken by them respectively as such.

          4.6.  Authorization of Agreement and Other Documents. The Company and
                ----------------------------------------------
each of the Stockholders have full power and authority to enter into this
Agreement and to carry out the transactions contemplated hereby. The execution,
delivery and performance of this Agreement and the other agreements and
documents executed and delivered or to be executed and delivered by the Company
and/or any or all of the Stockholders pursuant to the provisions of this
Agreement (including but not limited to the Escrow Agreement) (collectively, the
"Ancillary Documents") have been duly authorized by all necessary action on the
 -------------------
part of the Company and the Stockholders, as the case may be. This Agreement is,
and, as of the Closing Date, each of the Ancillary Documents will be, a valid
and binding obligation of the Company or the Stockholders, as the case may be,
enforceable in accordance with their terms, except to the extent that
enforcement thereof may be limited by bankruptcy, insolvency, reorganization,
moratorium, fraudulent conveyance or other similar laws affecting enforcement of
creditors' rights generally, and by general principles of equity (regardless of
whether enforcement is considered in a proceeding at law or in equity).

          4.7.  No Violation. Neither the execution and delivery of this
                ------------
Agreement nor the Ancillary Documents by the Company and the Stockholders nor
the consummation by the Company and the Stockholders of the transactions
contemplated hereby and thereby in accordance with their respective terms, will
(a) conflict with or result in a breach of any provisions of the Certificate of
Incorporation or By-Laws of the Company; (b) result in a breach or violation of,
a default under, or the triggering of any payment or other material obligations
pursuant to, or accelerate vesting under, any of the Company stock option plans,
or any grant or award made under any of the foregoing; (c) violate, conflict
with, result in a breach of any provision of, constitute a default (or an event
which, with notice or lapse of time or both, would constitute a default) under,
result in the termination, or

                                       18
<PAGE>

in a right of termination or cancellation of, accelerate the performance, or
create a right to accelerate the performance, required by, result in the
triggering of an increase in any payment or other material obligations pursuant
to, result in the creation of any lien, security interest, charge or encumbrance
upon any of the material properties of the Company or the Stockholders under, or
result in being declared void, voidable, or without further binding effect, any
of the terms, conditions or provisions of any note, bond, mortgage, indenture,
deed of trust or any material license, franchise, permit, lease, contract,
agreement or other instrument, commitment or obligation to which the Company or
any Stockholder is a party, or by which the Company or any Stockholder or any of
their properties is bound or affected; (d) contravene or conflict with or
constitute a violation of any provision of any law, regulation, judgment,
injunction, order or decree binding upon or applicable to the Company or the
Stockholders, except for any of the foregoing matters which would not have a
Company Material Adverse Effect; or (e) other than the Filings, require any
consent, approval, order or authorization of, or declaration, qualification,
designation, filing or registration with, any domestic governmental or
regulatory authority, the failure to obtain or make which would have a Company
Material Adverse Effect.

          4.8.  Compliance with Laws--General.
                -----------------------------

                (a)  The Company holds all permits, licenses, variances,
exemptions, orders and approvals of any court, arbitral, tribunal,
administrative agency or commission or other governmental or other regulatory
authority or agency ("Governmental Agencies") necessary for the lawful conduct
                      ---------------------
of its business, except where the failure to have obtained such permits,
licenses, variances, exemptions, orders or appraisals would not have a Company
Material Adverse Effect (the "Permits").
                              -------

                (b)  The Company is in material compliance with the terms of its
Permits.

                (c)  The Company is in material compliance with all laws,
ordinances or regulations of all Governmental Entities (including, but not
limited to, those related to occupational health and safety, controlled
substances or employment and employment practices) that are applicable to the
Company.

                (d)  As of the date of this Agreement, the Company has not
received any written notice that any investigation, review, inquiry or
proceeding by any knowledge of the Company and the Stockholders, threatened.

                (e)  The Company is not subject to any agreement, contract or
decree with any Governmental Entities arising out of any current or previously
existing violations of any laws, ordinances or regulations applicable to the
Company.

          4.9.  Financial Information.
                ---------------------

                (a)  The Disclosure Statement contains a true and correct copy
of the unaudited balance sheets of the Company as at December 31, 1998 and
December 31, 1999 (the

                                       19
<PAGE>

"Company Year-End Balance Sheets"), and the related unaudited statements of
 -------------------------------
income for the years then ended (collectively, the "Company Financial
                                                    -----------------
Statements").
----------

                 (b)  The Company Financial Statements (A) were prepared in
accordance with the books and records of the Company and (B) fairly present the
financial condition of the Company as at the respective dates indicated and the
results of operations of the Company for the respective periods indicated.

          4.10.  Books and Records. The Company's books, accounts and records
                 -----------------
are, and have been, in all material respects, maintained in the Company's usual,
regular and ordinary manner, and all material transactions to which the Company
is or has been a party are properly reflected therein.

          4.11.  Accounts Receivables. None of the trade receivables and notes
                 --------------------
receivable which arose subsequent to May 1, 1999 is or was subject to any
counterclaim or set off. All of such trade receivables arose out of bona fide,
arms-length transactions for the sale of goods or performance of services, and,
except as set forth in the Disclosure Statement, all such trade receivables and
notes receivable are good and collectible (or have been collected) in the
ordinary course of business using normal collection practices at the aggregate
recorded amounts thereof, less a reserve of 2%, in the aggregate, for doubtful
accounts and for allowances and discounts. Since December 31, 1999, there has
not been a material change in the aggregate amount of the Company's aggregate
trade receivables or a material adverse change in the aging thereof. The Company
does not have, to a material extent, any outstanding sales on consignment, sales
on approval or sales on return.

          4.12.  Bank Accounts. The Disclosure Statement contains a list
                 -------------
showing: (a) the name of each bank, safe deposit company or other financial
institution in which the Company has an account, lock box or safe deposit box;
(b) the names of all persons authorized to draw thereon or to have access
thereto and the names of all persons and entities, if any, holding powers of
attorney from the Company; and (c) all instruments or agreements to which the
Company is a party as an endorser, surety or guarantor, other than checks or
other instruments endorsed for collection or deposit.

          4.13.  Intellectual Property; Company Software.
                 ---------------------------------------

                 (a)  As used herein, the term "Intellectual Property" means
                                                ---------------------
all intellectual property, including, without limitation, patents, patent
applications, patent rights, trademarks, trademark applications, trade names,
service marks, service mark applications, copyrights, copyright registrations,
copyright applications, franchises, licenses, mask works, databases, "URL's" and
Internet domain names and applications therefor (and all interest therein),
computer programs and other computer software (including, but not limited to,
the Software), user interfaces, know-how, trade secrets, customer lists,
proprietary technology, processes and formulae, source code, object code,
algorithms, architecture, structure, display screens, layouts, development
tools, instructions, templates, marketing materials, inventions, trade dress,
logos and designs and all documentation and media constituting, describing or
relating to the foregoing.

                                       20
<PAGE>

                 (b)  The Company owns or possesses sufficient legal rights to
all Intellectual Property necessary or required for the conduct of its business
as currently conducted (including Intellectual Property required with respect to
intellectual property that is presently in existence) (collectively, the
"Company Rights").  With respect to Software currently under development,
 --------------
 to the best knowledge of the Company and the Stockholders, the Company can
 obtain on commercially reasonable terms the Intellectual Property that it may
 require to complete development. The Intellectual Property to be owned or
 licensed by the Surviving Corporation at the Effective Time shall include all
 Intellectual Property necessary to enable the Surviving Corporation to carry on
 the business of the Company as presently conducted by the Company.

                 (c)  There are no royalties, honoraria, fees or other payments
payable by the Company to any person by reason of the ownership, use, license
(or sublicense), transmission, broadcast, delivery (electronically or
otherwise), sale, or disposition of the Company Rights, other than sales
commissions paid in the ordinary course of business or license fees that, in the
aggregate, are immaterial.

                 (d)  Neither the manufacture, marketing, license (or
sublicense), sale, transmission, delivery (electronically or otherwise), or use
of any product or service currently licensed, sold, marketed, transmitted,
broadcast, delivered (electronically or otherwise) or used by the Company or
currently offered for license, sale, marketing, transmission, broadcast or
delivery or currently in existence or under development by the Company but only
with respect to those products or services or portion thereof that have been
developed by the Company as of the Closing Date, violates any license (or
sublicense) or agreement of the Company with any third party or infringes any
common law or statutory rights of any other party, including, without
limitation, rights relating to defamation, contractual rights, Intellectual
Property (other than patent infringement which shall be to the best knowledge of
the Company and the Stockholders) and rights of privacy or publicity; nor, to
the best knowledge of the Company and the Stockholders, is any third party
infringing upon, or violating any license (or sublicense), transmission,
broadcast, delivery (electronically or otherwise) or agreement with the Company
relating to, any Company Right; and, there is no pending or, to the best
knowledge of the Company and the Stockholders, threatened claim or litigation
contesting the validity, ownership or right to use, manufacture, sell, transfer,
license (or sublicense), transmit, broadcast, deliver (electronically or
otherwise) or dispose of any Company Right, nor, except to the extent as would
not have a Company Material Adverse Effect, is there any basis for any such
claim, nor has the Company received any notice asserting that any Company Right
or the proposed use, manufacture, sale, license (or sublicense), transmission,
broadcast, delivery (electronically or otherwise) or disposition thereof
conflicts or will conflict with the rights of any other party, nor, except to
the extent as would not have a Company Material Adverse Effect, is there any
basis for any such assertion.

                 (e)  All of the Company's current and former officers,
employees, consultants and independent contractors have executed and delivered
to and in favor of the Company an agreement regarding the protection of
confidential and proprietary information and the assignment to the Company of
all Intellectual Property arising from the services performed for the Company by
such persons (a form of which is attached to the Disclosure Statement). The
Company has taken and will continue through the Effective Time to take all steps
necessary, appropriate or desirable to

                                       21
<PAGE>

safeguard and maintain the secrecy and confidentiality of, and its proprietary
rights in, all Company Rights.

               (f)  All works that were created, prepared or delivered by
consultants, independent contractors or other third parties for or on behalf of
Company (including any materials and elements created, prepared or delivered by
such parties in connection therewith) (A) are and shall constitute "works made
for hire" specially ordered or commissioned by the Company within the meaning of
United States' copyright law, or (B) all right, title and interest therein
(including any materials and elements created, prepared or delivered by such
parties in connection therewith) have been assigned to the Company.

               (g)  No licenses or rights have been granted by the Company, or
by any employee, consultant, officer, director, agent or affiliate of the
Company or by anyone other than the foregoing, to distribute the source code of,
or to use source code to create Derivative Works of, any product currently
marketed by, commercially available from or under development by the Company for
which the Company possesses the source code. As used herein, "Derivative Work"
shall mean a work that is based upon one or more preexisting works, such as a
revision, enhancement, modification, abridgment, condensation, expansion or any
other form in which such preexisting works may be recast, transformed or
adapted, and which, if prepared without authorization of the owner of the
copyright in such preexisting work, would constitute a copyright infringement.
For purposes herein, a "Derivative Work" shall also include any compilation that
incorporates such a preexisting work as well as translations from one type of
code to another.

               (h)  No person has any marketing rights to any of the Company
Rights (excluding Intellectual Property licensed to the Company by third
parties).

               (i)  The Disclosure Statement contains a true and complete list
of (A) all of the Company's patents, patent applications, trademarks, trademark
applications, trade names, service marks, service mark applications, copyright
registrations and copyright applications and Internet domain names and
applications therefor and (B) all other filings and formal actions made or taken
pursuant to Federal, state, local and foreign laws by the Company to perfect or
protect its interest therein.

               (j)  The Disclosure Statement contains a true and complete list
of all options, licenses or other agreements of any kind by which Intellectual
Property has been granted to the Company from, or granted by the Company to, any
other person (except for licenses for "off-the-shelf" software or software
"tools" that are available on or through the Internet, in each case subject to
commercially reasonable "shrink wrap" license terms, available for free). Since
its inception, the Company has not assigned, transferred, abandoned or otherwise
forfeited any Intellectual Property or source code.

               (k)  The Disclosure Statement sets forth a true and complete list
and description of all software programs, systems and applications (A) designed
or developed or under development by employees of the Company or by consultants
on the Company's behalf (including all documentation therefor, the "Owned
                                                                    -----
Software") or (B) licensed by the Company from any third party or constituting
--------
"off-the-shelf" software (the "Licensed Software"), in each case that is
                               -----------------

                                       22
<PAGE>

manufactured or used by the Company in the operation of its business or
marketed, licensed or sold by the Company to third parties (collectively, the
"Software").
 --------

               (l)  All of the Owned Software are original works of authorship
and are protected by the copyright laws of the United States. The Company owns
all right, title and interest in and to the Owned Software, and all copyrights
thereto, free and clear of any encumbrance and has not sold, assigned, licensed,
distributed or in any other way disposed of or subjected the Owned Software to
any encumbrance. None of the Owned Software incorporates, is based on or is a
derivative work of any third party code that is subject to the terms of a public
source license or otherwise imposes conditions on the terms and conditions under
which the Owned Software may be used or distributed.

               (m)  The Licensed Software is validly held and used by the
Company and may be used by the Company pursuant to the applicable license
agreement with respect thereto without the consent of or notice to any third
party and is fully and freely utilizable by the Surviving Corporation without
the consent of or notice to any third party. All of the Company's computer
hardware has validly licensed software installed therein and the Company's use
thereof does not conflict with or violate any such license.

               (n)  The Owned Software is free from any significant software
defect, is free from any programming error, documentation error or virus
("Bugs") not inconsistent with commercially reasonable standards acceptable for
  ----
such Bugs, operates and runs in a commercially reasonable business manner,
conforms in all material respects to the specifications therefor, and, with
respect to the Owned Software, the applications can be compiled from their
associated source code without undue burden.

               (o)  The Company has not altered its data, or any Software or
supporting software that may in turn damage the integrity of the data, whether
stored in electronic, optical or magnetic or other form. The Company has made
all documentation relating to the use, maintenance and operation of the Software
available to AvantGo, all of which is true and accurate in all material
respects.

               (p)  Since the inception of the Company, the Company has not, to
any material extent, (A) defaulted under any software or multimedia development
contract, (B) failed to meet any product specifications or characteristics or
software or multimedia development milestones and standards thereunder, (C)
failed to properly interface any computer software or multimedia program with
the intended operating system software or related hardware designs applicable
thereto, or (D) had any party to any software or multimedia development contract
terminate said contract or notify the Company that such party intends to
terminate any such contract for an alleged breach by the Company.

       4.14.   Title to Properties. Attached to the Disclosure Statement is a
               -------------------
list and description of each item of real or tangible personal property owned by
the Company which has a net book value in excess of $25,000. The Company (i) has
good and marketable title to such property free and clear of all liens, claims,
encumbrances or security interests (collectively, "Liens"), except for (w)
                                                   -----
mechanic's, materialmen's, and similar liens, (x) liens arising under worker's

                                       23
<PAGE>

compensation, unemployment insurance, social security, retirement, and similar
legislation , (y) liens on goods in transit incurred pursuant to documentary
letters of credit and (z) liens which arise in the ordinary course of business
and do not materially impair the Company's ownership or use of such property or
assets; and (ii) enjoys undisturbed possession under all leases to which it is a
party as lessee. All of the leases to which the Company is a party (other than
leases for Leased Premises) are legal, valid and binding obligations of the
Company and in full force and effect, and no default by the Company, or, to the
knowledge of the Company, any other party thereto has occurred or is continuing
thereunder. The Disclosure Statement lists all properties and assets used by the
Company in connection with the operation of its business which are held under
any lease or under any conditional sale or other title retention agreement.
Except for such assets and facilities as are immaterial to the business of the
Company, all tangible assets and facilities of the Company are in good operating
condition and repair (ordinary wear and tear excepted) and, in the aggregate
with the intangible assets of the Company, are sufficient to conduct the
business of the Company as previously conducted prior to the date hereof.

       4.15.   Real Estate; Leased Premises.
               ----------------------------

               (a)  The Company owns no real estate, nor does it have the option
to acquire any real estate.

               (b)  The Company does not lease any real estate other than the
premises identified in the Disclosure Statement as being so leased (the "Leased
                                                                         ------
Premises"). The Leased Premises are leased to the Company, pursuant to written
--------
leases, true, correct and complete copies of which have been provided to AvantGo
or its counsel. None of the businesses conducted or proposed to be conducted by
the Company thereon are in violation of any use or occupancy restriction,
limitation, condition or covenant of record or any zoning or building law, code
or ordinance, public utility or other easements or other applicable law, except
for violations which do not have a Company Material Adverse Effect or materially
interfere with the conduct of the business of the Company. No material
expenditures are required to be made for the repair or maintenance of any
improvements on the Leased Premises or for the Leased Premises to be used for
its intended purpose. The Company is not in default under any agreement relating
to the Leased Premises nor, to the knowledge of the Company or the Stockholders,
is any other party thereto in default thereunder.

       4.16.   Contracts.
               ---------

               (a)  The Company is not a party to, or bound by, or the issuer or
beneficiary of, any written or oral: (i) agreement or arrangement obligating the
Company to pay or receive, or pursuant to which the Company has previously paid
or received since July 1, 1999, an amount in excess of $50,000 (excluding
purchase and sale orders entered into by the Company in the ordinary course of
business consistent with past practices); (ii) employment or consulting
agreement or arrangement; (iii) collective bargaining agreement; (iv) plan or
contract or arrangement providing for bonuses, severance, options, deferred
compensation, retirement payments, profit sharing, medical and dental benefits
or the like covering employees of the Company, other than Plans, Welfare Plans
and Employee Benefit Plans (in each case as defined herein) described in the
Disclosure Statement; (v) agreement restricting in any manner the Company's
right to compete with

                                       24
<PAGE>

any other person or entity, the Company's right to sell to or purchase from any
other person or entity, the right of any other party to compete with the
Company, or the ability of such person or entity to employ any of the Company's
employees; (vi) secrecy or confidentiality agreements; (vii) any
distributorship, non-employee commission or marketing agent, representative or
franchise agreement providing for the marketing and/or sale of the products or
services of the Company; (viii) agreement between the Company and any of its
Related Parties (as herein defined); (ix) guaranty, performance, bid or
completion bond, or surety or indemnification agreement; (x) requirements
contract; (xi) loan or credit agreement, pledge agreement, note, security
agreement, mortgage, debenture, indenture, factoring agreement or letter of
credit; (xii) agreement for the treatment or disposal of Materials of
Environmental Concern (as defined herein); (xiii) power of attorney; (xiv) any
agreement relating to the ownership or control of any interest in a partnership,
corporation, limited liability company, joint venture or other entity or similar
arrangement; (xv) any contract, agreement or arrangement containing change of
control provisions; or (xvi) any agreement relating to the sale, license, lease
or other disposition of any Intellectual Property. The Company is not currently
negotiating (and has not entered into preliminary discussions with respect to)
any transaction involving an aggregate payment by the Company and/or receipts to
the Company in excess of $50,000 excluding purchase and sale orders entered into
by the Company in the ordinary course of business consistent with past
practices.

               (b)  All agreements, leases, subleases and other instruments
referred to in this Section 4.16, are, pursuant to their terms, in full force
and binding upon the Company, and, to the knowledge of the Company and the
Stockholders, the other parties thereto. The Company is not and, to the
Company's and the Stockholders' knowledge, none of the other parties thereto are
in default of a material provision under any such agreement, lease, sublease or
other instrument. No event, occurrence or condition exists which, with the lapse
of time, the giving of notice, or both, or the happening of any further event or
condition, would become a default of a provision under any such agreement,
lease, sublease or other instrument by the Company, or, to the knowledge of the
Company and the Stockholders, the other contracting party except as would not,
individually or in the aggregate, have a Company Material Adverse Effect. The
Company has not released or waived any right under any such agreement, lease,
sublease or other instrument material to the Company other than in the ordinary
course of business consistent with past practices.

               (c)  Neither the Company, nor any of the Stockholders are parties
to any registration rights agreement, stockholders agreement, management
agreement, or any other agreement relating to the equity or management of the
Company.

       4.17.   Insurance. The Disclosure Statement contains a true and correct
               ---------
list of all insurance policies which are owned by the Company or which name the
Company as an insured (or loss payee), including without limitation those which
pertain to the Company's assets, employees or operations. All such insurance
policies are in full force and effect and the Company has not received notice of
cancellation of any such insurance policies, and the Stockholders are unaware of
any such notice of cancellation. In the two (2) year period ending on the date
hereof, the Company has not received any written notice from, or on behalf of,
any insurance carrier relating to or involving an annual increase by over 10% in
insurance rates (except to the extent that insurance risks may be increased for
all similarly situated risks) or non-renewal of a policy, or requiring or
suggesting material alteration of any of the Company's assets, purchase of
additional equipment, or

                                       25
<PAGE>

material modification of any of the Company's methods of doing business. The
Disclosure Statement sets forth the insurance premiums paid by the Company as of
the date hereof. The Company has not ever made any claim for reimbursement from
its insurance carriers.

          4.18.  Litigation. There is no litigation or proceeding, in law or in
                 ----------
equity, and there are no proceedings or governmental investigations before any
commission or other administrative authority, pending or, to the Company's or
any Stockholder's knowledge, threatened against the Company or any of its
officers, directors or affiliates, with respect to or affecting the Company's
operations, business, products, assets, properties, sales practices or financial
condition, or related to the consummation of the transactions contemplated
hereby or by the AvantGo Ancillary Documents or the Ancillary Documents. There
are no facts or circumstances known to the Company or any Stockholders which,
assuming such facts or circumstances were known by a potential claimant or
governmental authority on or prior to the Closing Date, would reasonably give
rise to a claim or proceeding that could reasonably result, either individually
or in the aggregate, in a Company Material Adverse Effect, or any change in the
current equity ownership of the Company. The foregoing includes, without
limitation, actions, suits, proceedings or investigations pending or threatened
involving the prior employment of any of the Company's employees, their use in
connection with the Company's business of any information or techniques
allegedly proprietary to any of their former employers, or their obligations
under any agreements with prior employers. The Company is not a party or subject
to the provisions of any order, writ, injunction, judgment or decree of any
court or government agency or instrumentality. There is no action, suit,
proceeding or investigation by the Company currently pending or which the
Company intends to initiate.

          4.19.  Warranties. To the Company's or any Stockholder's knowledge,
                 ----------
the Company has not made any oral or written warranties with respect to the
quality or absence of defects of its products or services which they have sold
or performed which are in force as of the date hereof. There are no material
claims pending or, to the knowledge of the Company, threatened against the
Company with respect to the quality of or absence of defects in such products or
services nor are there any facts known to the Company relating to the quality of
or absence of defects in such products or services which, assuming such facts
were known by a potential claimant or governmental authority on or prior to the
Closing Date, would reasonably give rise to a material claim or proceeding
having a Company Material Adverse Effect. The Disclosure Statement sets forth a
summary, which is accurate in all material respects, of all returns of products
and all credits and allowances for returned products given to customers during
the period from October 1, 1999 through April 30, 2000 to the extent that such
returns, credits and allowances with respect to any one product exceeds $2,500
in the aggregate, and said summary contains a description of any reoccurring
product defects (other than returns due to date expirations). The Company has no
knowledge of or reason to believe that the percentage of warranty claims or
product returns for products sold by the Company prior to the Closing will
exceed historical levels.

          4.20.  Arbitration. The Company is not a party to, or bound by, any
                 -----------
decree, order or arbitration award (or agreement entered into in any
administrative, judicial or arbitration proceeding with any governmental
authority) with respect to or affecting the properties, assets, personnel or
business activities of the Company.

                                       26
<PAGE>

          4.21.  Taxes.
                 -----

                 (a)  As used in this Agreement, (i) the term "Taxes" means (A)
                                                               -----
all federal, state, local, foreign and other net income, gross income, gross
receipts, sales, use, ad valorem, transfer, franchise, profits, license, lease,
service, service use, withholding, payroll, employment, excise, severance,
stamp, occupation, premium, property, windfall profits, customs, duties or other
taxes, fees, assessments or charges of a similar nature, together with any
interest and any penalties, additions to tax or additional amounts with respect
thereto, and the term "Tax" means any one of the foregoing Taxes; and (B) any
                       ---
Taxes (as defined in clause (A)) for which the Company is liable as a
transferee, indemnitor, guarantor, surety or in a similar capacity under any
contract, arrangement, understanding or commitment, whether oral or written, or
by reason of having been a member of any affiliated, consolidated, combined or
unitary group; (ii) the term "Returns" means all returns, declarations, reports,
                              -------
statements and other documents required to be filed in respect of Taxes,
including any schedule or attachment thereto, and the term "Return" means any
                                                            ------
one of the foregoing Returns; and (iii) any reference to the Company shall
include any corporation which merged with or into or was liquidated into the
Company or a subsidiary of the Company or otherwise a predecessor of the Company
or such subsidiary.

                 (b)  All Returns required to have been filed by the Company
have been timely filed (taking into account duly granted extensions) and were
true, correct and complete in all respects. The Company is not currently the
beneficiary of any extension of time within which to file any Return, and no
claim has ever been made by any governmental authority in a jurisdiction where
the Company does not file Returns that the Company is or may be subject to
taxation by that jurisdiction, which claim has not been resolved as of the date
hereof.

                 (c)  All Taxes of the Company which have become due (without
regard to any extension of the time for payment and whether or not shown on any
Return) have been paid. The Company has withheld and paid over all Taxes
required to have been withheld and paid over by it and has complied with all
information reporting and back-up withholding requirements relating to Taxes.
There are no liens with respect to Taxes on any of the assets of the Company,
other than liens for Taxes not yet due and payable, and for which adequate
reserves have been established in the Financial Statements.

                 (d)  No deficiencies exist or have been asserted (verbally or
in writing) with respect to Taxes of the Company and the Company has not
received notice (verbally or in writing) that the Company has not filed a Return
or paid any Taxes required to be filed or paid by it. There has been no audit,
examination, investigation, action, suit, claim or proceeding ("Tax Proceeding")
relating to the determination, assessment or collection of any Tax of the
Company or any other person or entity for whose Taxes the Company is liable,
during the past five (5) years and there are no Tax Proceedings currently in
process, pending or, to the knowledge of the Company, threatened (verbally or in
writing). The Company has provided AvantGo copies of all notices, reports and
other documentation received during the last five (5) years from any Tax
authority with respect to any Tax Proceeding. No power of attorney with respect
to Taxes is currently in effect. No waiver or extension of any statute of
limitations relating to the assessment or collection of any Tax of the Company
is in effect. There are no outstanding requests for rulings with any Tax
authority relating to Taxes of the Company.

                                       27
<PAGE>

                 (e)  The Company is not and has never been (i) a party to any
Tax sharing, Tax allocation, Tax indemnity or similar agreement or arrangement
(formal or informal, verbal or in writing), or (ii) a member of an affiliated
group of corporations (within the meaning of Section 1504 of the Code) filing a
consolidated federal income Return, or any similar group under analogous
provisions of other law.

                 (f)  The Company is not liable for the unpaid Taxes of any
person other than such Company under Treasury Regulation Section 1.1502-6 or any
similar provision of state, local or foreign law, or by contract or otherwise.
The Company has delivered to AvantGo true and complete copies of all federal,
state, local and foreign income Returns filed by the Company for its five (5)
most recently ended taxable years, together with all related examination
reports, statements of deficiencies and closing and other agreements.

                 (g)  The Company (i) has not filed a consent under Internal
Revenue Code Section 341(f) concerning collapsible corporations; (ii) has not
made any payments, obligated itself to make any payments or become a party to
any agreement that under any circumstance could obligate it or any successor or
assignee of it to make any payments that are not or will not be deductible under
Section 280G of the Code (or any comparable provision of state, local or foreign
law); (iii) is not and has never been a United States real property holding
corporation within the meaning of Section 897(c)(2) of the Code; (iv) does not
own and has not owned any interest in any "controlled foreign corporation" as
defined in Section 957 of the Code or "passive foreign investment company" as
defined in Section 1296 of the Code; (v) is not and has not been a party to any
agreement or arrangement for which partnership Returns are required to be filed;
(vi) does not own any asset that is subject to a "safe harbor lease" within the
meaning of Section 168(f)(8) of the Code, as in effect prior to amendment by the
Tax Equity and Fiscal Responsibility Act of 1982; (vii) to the knowledge of the
Company, does not own any "tax-exempt use property" within the meaning of
Section 168(h) of the Code or "tax exempt bond financed property" within the
meaning of Section 168(g)(5) of the Code; and (viii) has not agreed to and is
not required to make any adjustment under Internal Revenue Code Section 481(a)
by reason of a change in accounting method or otherwise. The Company uses the
accrual method of accounting for all income Tax purposes.

                 (h)  The Company has at all times since its inception (i)
qualified as a "small business corporation" as defined in Section 1362(b) of the
Code, and (ii) had in effect a valid election under Section 1362(a) of the Code
to be treated as an S corporation within the meaning of Section 1361(a) of the
Code. Neither the Company nor any of the Stockholders has taken any action or
failed to take any action that would result in the inaccuracy of the immediately
preceding sentence.

                 (i)  The Company has not taken any action not in accordance
with past practice that would have the effect of deferring a measure of Tax
(including but not limited to income, sales, gross receipts or payroll) from a
period (or portion thereof) ending on or prior to the Closing to a period (or
portion thereof) beginning after the Closing. No material item of income or gain
of the Company reported or to be reported for financial reporting purposes in
any pre-Closing period is required to be included in taxable income in a post-
Closing period.

                                       28
<PAGE>

          4.22.  Employee Benefit Plans.
                 ----------------------

                 (a)  The Disclosure Statement contains a complete and accurate
list of all Employee Benefit Plans. The Company does not have any agreement,
arrangement, commitment or obligation to create, enter into or contribute to any
additional Employee Benefit Plan or to modify any existing Employee Benefit
Plan. There has been no amendment, interpretation or other announcement or
communication (written or oral) by the Company or any other Person relating to,
or change in participation or coverage under, any Employee Benefit Plan that,
either alone or together with other such occurrences or events, could materially
increase the expense of maintaining the Employee Benefit Plans above the level
of expense incurred with respect thereto for the most recent fiscal year
included in the Company Financial Statements. The terms of each Employee Benefit
Plan permit the Company to amend or terminate such Employee Benefit Plan at any
time and for any reason without penalty or material liability or expense. None
of the Company's rights under any Employee Benefit Plan will be impaired in any
way by this Agreement or the consummation of the transactions contemplated in
(or by) this Agreement.

                 (b)  The Company has delivered to AvantGo and its counsel true,
correct and complete copies (or, in the case of unwritten Employee Benefit
Plans, descriptions) of all Employee Benefit Plans (and all amendments thereto),
along with, to the extent applicable to the particular Employee Benefit Plan,
copies of the following: (i) the last three annual reports (Form 5500 series)
filed with respect to such Employee Benefit Plan; (ii) all summary plan
descriptions, summaries of material modifications and material employee manuals
and communications filed or distributed with respect to such Employee Benefit
Plan during the last three years; (iii) all contracts and agreements (and all
amendments thereto) relating to such Employee Benefit Plan, including, without
limitation, all trust agreements, investment management agreements, group
annuity contracts, insurance contracts, surety bonds, indemnification agreements
and service provider agreements; (iv) the most recent determination letter
issued by the IRS with respect to such Employee Benefit Plan; (v) all written
communications relating to the amendment, creation or termination of such
Employee Benefit Plan, or an increase or decrease in benefits, acceleration of
payments or vesting or other events that could result in liability to the
Company sent or received during the last three years; (vi) all correspondence to
or from any governmental entity or agency relating to such Employee Benefit Plan
sent or received during the last three years; (vii) all COBRA and HIPAA forms
and notices currently in use; (viii) all coverage and nondiscrimination tests
performed with respect to such Employee Benefit Plan for the last three years;
and (ix) the most recent registration statement, annual report (Form 11-K) and
prospectus prepared in connection with such Employee Benefit Plan.

                 (c)  With respect to each Employee Benefit Plan: (i) such
Employee Benefit Plan is, and at all times since inception has been, maintained,
administered, operated and funded in all material respects in accordance with
its terms and in compliance with all applicable requirements of all applicable
laws, statutes, orders, rules and regulations, including, without limitation,
ERISA, COBRA, HIPAA and the Code; (ii) the Company, each fiduciary of such
Employee Benefit Plan and all other Persons have, at all times, properly
performed all obligations, whether arising by operation of law or by contract,
required to be performed by any of them in connection with such Employee Benefit
Plan; (iii) all required surety bonds have been properly and timely purchased
and maintained; (iv) all reports, Returns, information returns, notices and
other

                                       29
<PAGE>

information and returns relating to such Employee Benefit Plan required to be
filed with any governmental entity or agency have been accurately completed and
timely and properly filed; (v) all notices, statements, reports, descriptions
and other disclosures required to be given or made to participants in such
Employee Benefit Plan or their beneficiaries have been accurately completed and
timely and properly disclosed or provided; (v) neither the Comp