QUINTUS CORP
8-K, 2000-05-25
PREPACKAGED SOFTWARE
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                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                               ------------------

                                    FORM 8K
                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                        SECURITIES EXCHANGE ACT OF 1934


Date of report (Date of earliest event reported) MAY 25, 2000
                                                 -------------------------------

                              QUINTUS CORPORATION
- --------------------------------------------------------------------------------
               (Exact name of Registrant as Specified in Charter)

          Delaware                                              77-0021612
- --------------------------------------------------------------------------------
(State or Other Jurisdiction         (Commission File          (IRS Employer
       of Incorporation)                  Number)            Identification No.)

47212 MISSION FALLS COURT, FREMONT, CALIFORNIA                    94539
- --------------------------------------------------------------------------------
(Address of Principal Executive Offices)                        (Zip Code)

Registrant's telephone number, including area code        (510) 624-2800
                                                  ------------------------------

                                      N/A
- --------------------------------------------------------------------------------
         (Former Name or Former Address, if Changed Since Last Report)


<PAGE>


Item 2.  Acquisition or Disposition of Assets.

     On May 18, 2000, the Registrant completed the acquisition of all of the
equity interests of Mustang.com, Inc. for approximately 6.1 million shares of
its common stock. Each outstanding share of Mustang.com common stock was
converted into 0.793 shares of the Registrant's common stock. Mustang.com is a
provider of e-mail management solutions, and the purchase included all assets,
property, plant and equipment used in the business. The transaction was
accounted for as a purchase.

     A copy of the press release dated May 18, 2000 is attached hereto as
Exhibit 99.1.

Item 7.  Financial Statements, Pro Forma Financial Information and Exhibits.

     (a) Financial Statements of Business Acquired. Pursuant to Rule 12b-23 of
the Securities Exchange Act of 1934, as amended, the Registrant hereby
incorporates by reference the consolidated financial information of Mustang.com
included in the Registrant's registration statement on Form S-4 filed with the
Commission on March 28, 2000, as amended on April 11, 2000 and declared
effective on April 11, 2000 (File No. 333-33422) (the "Registration
Statement").

     (b) Pro Forma Financial Information. Pursuant to Rule 12b-23 of the
Exchange Act, the Registrant hereby incorporates by reference the pro forma
combined financial information of the Registrant included in its Registration
Statement previously filed with the Commisson.

     (c) Exhibits.

     2.01 Agreement and Plan of Merger and Reorganization dated February 25,
2000, between Quintus Corporation and Mustang.com, Inc.

     2.02 First Amendment to Agreement and Plan of Merger dated May 8, 2000,
between Quintus Corporation and Mustang.com, Inc.

     2.03 Addition of Party to Agreement and Plan of Merger dated May 9, 2000,
among Quintus Corporation, Mustang.com, Inc. and Mustang.com Acquisition
Corporation.

     99.1 Press Release dated May 18, 2000.


                                       2
<PAGE>


                                   SIGNATURE

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.

                                            QUINTUS CORPORATION


                                            By: /s/ Susan Salvesen
                                               ---------------------------------
                                               Name:  Susan Salvesen
                                               Title: Chief Financial Officer

May 25, 2000


                                      3
<PAGE>


                                 EXHIBIT INDEX

Exhibit                            Description
- -------                            -----------
2.01                               Agreement and Plan of Merger
                                   and Reorganization dated
                                   February 25, 2000 between
                                   Quintus Corporation and
                                   Mustang.com, Inc.

2.02                               First Amendment to Agreement and
                                   Plan of Merger dated May 8, 2000,
                                   between Quintus Corporation and
                                   Mustang.com, Inc.

2.03                               Addition of Party to Agreement and
                                   Plan of Merger dated May 9, 2000,
                                   among Quintus Corporation,
                                   Mustang.com, Inc. and Mustang.com
                                   Acquisition Corporation

99.1                               Press Release dated May 18, 2000.


                                       2



                                                                   EXHIBIT 2.01


                          AGREEMENT AND PLAN OF MERGER

                         Dated as of February 25, 2000

                                    between

                               MUSTANG.COM, INC.

                                      and

                              QUINTUS CORPORATION


<PAGE>


                               TABLE OF CONTENTS

                             ----------------------

                                                                           PAGE
                                                                           ----
                                   ARTICLE 1
                                   THE MERGER

SECTION 1.01.  The Merger....................................................1
SECTION 1.02.  Conversion of Shares..........................................2
SECTION 1.03.  Surrender and Payment.........................................2
SECTION 1.04.  Stock Options and Employee Stock Purchase Plan................4
SECTION 1.05.  Warrants......................................................5
SECTION 1.06.  Adjustments...................................................5
SECTION 1.07.  Fractional Shares.............................................5
SECTION 1.08.  Withholding Rights............................................6
SECTION 1.09.  Lost Certificates.............................................6
SECTION 1.10.  Dissenting Shares.............................................6

                                   ARTICLE 2
                           THE SURVIVING CORPORATION

SECTION 2.01.  Articles of Incorporation.....................................7
SECTION 2.02.  Bylaws........................................................7
SECTION 2.03.  Directors and Officers........................................7

                                   ARTICLE 3
                 REPRESENTATIONS AND WARRANTIES OF THE COMPANY

SECTION 3.01.  Corporate Existence and Power.................................7
SECTION 3.02.  Corporate Authorization.......................................8
SECTION 3.03.  Governmental Authorization....................................8
SECTION 3.04.  Non-Contravention.............................................8
SECTION 3.05.  Capitalization................................................9
SECTION 3.06.  Subsidiaries..................................................9
SECTION 3.07.  SEC Filings..................................................10
SECTION 3.08.  Financial Statements.........................................11
SECTION 3.09.  Disclosure Documents.........................................11
SECTION 3.10.  Absence of Certain Changes...................................11
SECTION 3.11.  No Undisclosed Material Liabilities..........................13
SECTION 3.12.  Compliance with Laws and Court Orders........................13
SECTION 3.13.  Litigation...................................................13
SECTION 3.14.  Finders' Fees................................................14
SECTION 3.15.  Opinion of Financial Advisor.................................14
SECTION 3.16.  Taxes........................................................14
SECTION 3.17.  Employee Benefit Plans.......................................15


<PAGE>


                                                                           PAGE
                                                                           ----
SECTION 3.18.  Environmental Matters........................................17
SECTION 3.19.  Contracts....................................................17
SECTION 3.20.  Real Property................................................18
SECTION 3.21.  Intellectual Property........................................18
SECTION 3.22.  Certain Interests............................................21
SECTION 3.23.  Products.....................................................21
SECTION 3.24.  Tax Treatment................................................22
SECTION 3.25.  Antitakeover Statutes........................................22

                                   ARTICLE 4
                    REPRESENTATIONS AND WARRANTIES OF PARENT

SECTION 4.01.  Corporate Existence and Power................................22
SECTION 4.02.  Corporate Authorization......................................22
SECTION 4.03.  Governmental Authorization...................................22
SECTION 4.04.  Non-Contravention............................................23
SECTION 4.05.  Capitalization...............................................23
SECTION 4.06.  Subsidiaries.................................................24
SECTION 4.07.  SEC Filings..................................................24
SECTION 4.08.  Financial Statements.........................................25
SECTION 4.09.  Disclosure Documents.........................................25
SECTION 4.10.  Absence of Certain Changes...................................25
SECTION 4.11.  No Undisclosed Material Liabilities..........................26
SECTION 4.12.  Compliance with Laws and Court Orders........................26
SECTION 4.13.  Litigation...................................................27
SECTION 4.14.  Finders' Fees................................................27
SECTION 4.15.  Opinion of Financial Advisor.................................27
SECTION 4.16.  Taxes........................................................27
SECTION 4.17.  Tax Treatment................................................28
SECTION 4.18.  Laws and Authorizations......................................28
SECTION 4.19.  Intellectual Property........................................28

                                   ARTICLE 5
                            COVENANTS OF THE COMPANY

SECTION 5.01.  Conduct of the Company.......................................29
SECTION 5.02.  Stockholder Meeting; Proxy Material..........................31
SECTION 5.03.  No Solicitation..............................................31
SECTION 5.04.  Lock-Up Letters..............................................33
SECTION 5.05.  Non-Compete Agreements.......................................33


                                      ii

<PAGE>


                                                                           PAGE
                                                                           ----
                                   ARTICLE 6
                              COVENANTS OF PARENT

SECTION 6.01.  Conduct of Parent............................................33
SECTION 6.02.  Obligations of Merger Subsidiary.............................33
SECTION 6.03.  Director and Officer Liability...............................34
SECTION 6.04.  Registration Statement.......................................34
SECTION 6.05.  Stock Exchange Listing.......................................35
SECTION 6.06.  Employee Benefits............................................35
SECTION 6.07.  Broker Program...............................................35

                                   ARTICLE 7
                      COVENANTS OF PARENT AND THE COMPANY

SECTION 7.01.  Best Efforts.................................................35
SECTION 7.02.  Certain Filings..............................................35
SECTION 7.03.  Public Announcements.........................................36
SECTION 7.04.  Further Assurances...........................................36
SECTION 7.05.  Access to Information........................................36
SECTION 7.06.  Notices of Certain Events....................................36
SECTION 7.07.  Tax-free Reorganization......................................37
SECTION 7.08.  Affiliates...................................................37

                                   ARTICLE 8
                            CONDITIONS TO THE MERGER

SECTION 8.01.  Conditions to Obligations of Each Party......................37
SECTION 8.02.  Conditions to the Obligations of Parent......................38
SECTION 8.03.  Conditions to the Obligations of the Company.................39

                                   ARTICLE 9
                                  TERMINATION

SECTION 9.01.  Termination..................................................40
SECTION 9.02.  Effect of Termination........................................41

                                   ARTICLE 10
                                  DEFINITIONS

SECTION 10.01.  Definitions.................................................42


                                      iii

<PAGE>


                                                                           PAGE
                                                                           ----
                                   ARTICLE 11
                                 MISCELLANEOUS

SECTION 11.01.  Notices.....................................................45
SECTION 11.02.  Survival of Representations and Warranties..................46
SECTION 11.03.  Amendments; No Waivers......................................46
SECTION 11.04.  Expenses....................................................47
SECTION 11.05.  Successors and Assigns......................................48
SECTION 11.06.  Governing Law...............................................48
SECTION 11.07.  Jurisdiction................................................48
SECTION 11.08.  WAIVER OF JURY TRIAL........................................48
SECTION 11.09.  Counterparts; Effectiveness.................................48
SECTION 11.10.  Entire Agreement............................................49
SECTION 11.11.  Captions....................................................49
SECTION 11.12.  Severability................................................49
SECTION 11.13.  Specific Performance........................................49

EXHIBIT A       FORM OF LOCK-UP AGREEMENT
EXHIBIT B       FORM OF NON-COMPETE AGREEMENT
EXHIBIT C       FORM OF AFFILIATES LETTER
EXHIBIT D       FORM OF TAX OPINION
EXHIBIT E       TAX REPRESENTATION LETTER
EXHIBIT F       TAX REPRESENTATION LETTER
EXHIBIT G       FORM OF TAX OPINION
EXHIBIT H       FINANCIAL STATEMENTS OF COMPANY

             The Table of Contents is not a part of this Agreement.


                                      iv

<PAGE>


                          AGREEMENT AND PLAN OF MERGER

     AGREEMENT AND PLAN OF MERGER dated as of February 25, 2000 between
MUSTANG.COM, INC., a California corporation (the "Company"), and QUINTUS
CORPORATION, a Delaware corporation ("Parent").

     WHEREAS, the Board of Directors of the Company has (i) determined that the
Merger (as defined below) is fair to and in the best interests of the Company's
stockholders and (ii) approved the Merger in accordance with this Agreement;

     WHEREAS, the Board of Directors of Parent has approved the Merger in
accordance with this Agreement; and

     WHEREAS, it is intended that the Merger be treated for Federal income tax
purposes as a tax-free reorganization under Section 368(a) of the Internal
Revenue Code of 1986, as amended (the "Code"),

     NOW, THEREFORE, in consideration of the premises and the representations,
warranties, covenants and agreements herein contained, and intending to be
legally bound hereby, the Company and Parent hereby agree as follows:

                                   ARTICLE 1
                                   THE MERGER

     SECTION 1.01. The Merger. (a) As promptly as reasonably practicable after
the date hereof, Parent shall take all necessary actions to form a wholly-
owned subsidiary ("Merger Subsidiary") pursuant to and in accordance with the
California Law. At the Effective Time, Merger Subsidiary shall be merged (the
"Merger") with and into the Company in accordance with the California Law,
whereupon the separate existence of Merger Subsidiary shall cease, and the
Company shall be the surviving corporation (the "Surviving Corporation"). The
Merger is intended to qualify as a reorganization under Section 368(a) of the
Code.

     (b) As soon as practicable after satisfaction or, to the extent permitted
hereunder, waiver of all conditions to the Merger, the Company and Merger
Subsidiary will file an agreement of merger with the California Secretary of
State and make all other filings or recordings required by California Law in
connection with the Merger. The Merger shall become effective at such time (the
"Effective Time") as the agreement of merger is duly filed with the California
Secretary of State (or at such later time as may be specified in the agreement
of merger); provided however, that the Effective Time shall not be before April
25, 2000.


<PAGE>


     (c) The effect of the Merger shall be as provided in the applicable
provisions of the California Law. Without limiting the generality of the
foregoing, and subject thereto, from and after the Effective Time, all the
property, rights, privileges, powers and franchises of the Company and Merger
Subsidiary shall vest in the Surviving Corporation, and all debts, liabilities,
obligations, restrictions, disabilities and duties of each of the Company and
Merger Subsidiary shall become the debts, liabilities, obligations,
restrictions, disabilities and duties of the Surviving Corporation.

     SECTION 1.02. Conversion of Shares. At the Effective Time, by virtue of
the Merger and without any action on the part of Merger Subsidiary, the Company
or the holders of any securities of the Company:

     (a) except as otherwise provided in Section 1.02(b), each share of Company
Stock outstanding immediately prior to the Effective Time shall be converted
into the right to receive 0.793 shares of Parent Stock (together with cash in
lieu of fractional shares of Parent Stock as specified below, the "Merger
Consideration");

     (b) each share of Company Stock owned by Parent or any of its Subsidiaries
immediately prior to the Effective Time shall be canceled, and no payment shall
be made with respect thereto; and

     (c) each share of common stock of Merger Subsidiary outstanding
immediately prior to the Effective Time shall be converted into and become one
share of common stock of the Surviving Corporation with the same rights, powers
and privileges as the shares so converted and shall constitute the only
outstanding shares of capital stock of the Surviving Corporation.

     SECTION 1.03. Surrender and Payment. (a) Prior to the Effective Time,
Parent shall appoint an agent (the "Exchange Agent") for the purpose of
exchanging certificates representing shares of Company Stock (the
"Certificates") for the Merger Consideration. Parent will make available to the
Exchange Agent, as needed, the Merger Consideration to be paid in respect of
the shares of Company Stock. Promptly after the Effective Time, Parent will
send, or will cause the Exchange Agent to send, to each holder of shares of
Company Stock at the Effective Time a letter of transmittal and instructions
(which shall specify that the delivery shall be effected, and risk of loss and
title shall pass, only upon proper delivery of the Certificates to the Exchange
Agent) for use in such exchange.

     (b) Each holder of shares of Company Stock that have been converted into
the right to receive the Merger Consideration will be entitled to receive, upon
surrender to the Exchange Agent of a Certificate, together with a properly


                                       2

<PAGE>


completed letter of transmittal, the Merger Consideration in respect of the
Company Stock represented by such Certificate. Until so surrendered, each such
Certificate shall represent after the Effective Time for all purposes only the
right to receive such Merger Consideration.

     (c) If any portion of the Merger Consideration is to be paid to a Person
other than the Person in whose name the Certificate is registered, it shall be
a condition to such payment that the Certificate so surrendered shall be
properly endorsed or otherwise be in proper form for transfer and that the
Person requesting such payment shall pay to the Exchange Agent any transfer or
other taxes required as a result of such payment to a Person other than the
registered holder of such Certificate or establish to the satisfaction of the
Exchange Agent that such tax has been paid or is not payable.

     (d) After the Effective Time, there shall be no further registration of
transfers of shares of Company Stock. If, after the Effective Time,
Certificates are presented to the Surviving Corporation, they shall be canceled
and exchanged for the Merger Consideration provided for, and in accordance with
the procedures set forth, in this Article.

     (e) Any portion of the Merger Consideration made available to the Exchange
Agent pursuant to Section 1.03(a) that remains unclaimed by the holders of
shares of Company Stock six months after the Effective Time shall be returned
to Parent, upon demand, and any such holder who has not exchanged them for the
Merger Consideration in accordance with this Section prior to that time shall
thereafter look only to Parent for payment of the Merger Consideration, and any
dividends and distributions with respect thereto, in respect of such shares
without any interest thereon. Notwithstanding the foregoing, Parent shall not
be liable to any holder of shares of Company Stock for any amounts paid to a
public official pursuant to applicable abandoned property, escheat or similar
laws. Any amounts remaining unclaimed by holders of shares of Company Stock two
years after the Effective Time (or such earlier date, immediately prior to such
time when the amounts would otherwise escheat to or become property of any
governmental authority) shall become, to the extent permitted by applicable
law, the property of Parent free and clear of any claims or interest of any
Person previously entitled thereto.

     (f) Subject to Section 1.09 with respect to lost Certificates, no
dividends or other distributions with respect to securities of Parent
constituting part of the Merger Consideration, and no cash payment in lieu of
fractional shares as provided in Section 1.07, shall be paid to the holder of
any unsurrendered Certificates until such Certificates are surrendered as
provided in this Section. Following such surrender, there shall be paid,
without interest, to the Person in whose name the securities of Parent have
been registered, (i) at the time of such surrender, the amount of any cash
payable in lieu of fractional shares to which


                                       3

<PAGE>


such Person is entitled pursuant to Section 1.07 and the amount of all
dividends or other distributions with a record date after the Effective Time
previously paid or payable on the date of such surrender with respect to such
securities, and (ii) at the appropriate payment date, the amount of dividends
or other distributions with a record date after the Effective Time and prior to
surrender and with a payment date subsequent to surrender payable with respect
to such securities.

     SECTION 1.04. Stock Options and Employee Stock Purchase Plan. (a) The
terms of each outstanding option to purchase shares of Company Stock under any
stock option or compensation plan or arrangement of the Company (each, a
"Company Stock Option"), whether or not exercisable or vested, shall be
adjusted as necessary to provide that, at the Effective Time, each Company
Stock Option outstanding immediately prior to the Effective Time shall be
deemed to constitute an option to acquire the same number of shares of Parent
Stock as the holder of such Company Stock Option would have been entitled to
receive pursuant to the Merger had such holder exercised such Company Stock
Option in full immediately prior to the Effective Time, at a price per share of
Parent Stock equal to (i) the aggregate exercise price for the shares of
Company Stock otherwise purchasable pursuant to such Company Stock Option
divided by (ii) the aggregate number of shares of Parent Stock deemed
purchasable pursuant to such Company Stock Option (each, as so adjusted, an
"Adjusted Option"), provided that any fractional share of Parent Stock
resulting from an aggregation of all the shares of a holder subject to Company
Stock Option shall be rounded to the nearest whole share, and provided further
that, for any Company Stock Option to which Section 421 of the Code applies by
reason of its qualification under any of Sections 422 through 424 of the Code,
the option price, the number of shares purchasable pursuant to such option and
the terms and conditions of exercise of such option shall be determined in
order to comply with Section 424 of the Code. Except as otherwise required
under the existing terms of the Company Stock Options, such options to acquire
Parent Stock will be subject to the terms and conditions of Parent's existing
stock option plan.

     (b) After the date hereof, no new offering period shall commence under the
Company's Employee Stock Purchase Plan (the "ESPP"). Notwithstanding the
provisions of Section 1.04(a) hereof, in accordance with the terms of the ESPP,
the Company shall cause each option outstanding under the ESPP immediately
prior to the Effective Time to be automatically exercised immediately prior to
the Effective Time. Pursuant to such action, the holder of each such option
shall receive shares of Company Stock which will be converted into Parent Stock
at the Effective Time in accordance with the provisions of Section 1.02(a)
hereof. As of the Effective Time, the ESPP shall be terminated.

     (c) Prior to the Effective Time, the Company shall (i) use its best
efforts to obtain any consents from holders of options to purchase shares of
Company Stock granted under any Company Stock Option and (ii) make any
amendments to


                                       4

<PAGE>


the terms of such Company Stock Option that are necessary to give effect to the
transactions contemplated by this Section 1.04.

     (d) Parent shall take such actions as are necessary for the assumption of
any Company Stock Option pursuant to this Section 1.04, including the
reservation, issuance and listing of Parent Stock as is necessary to effectuate
the transactions contemplated by this Section 1.04. Parent shall prepare and
file with the SEC a registration statement on an appropriate form, or a
post-effective amendment to a registration statement previously filed under the
1933 Act, with respect to the shares of Parent Stock subject to each Company
Stock Option and, where applicable, shall use its reasonable best efforts to
have such registration statement declared effective by May 15, 2000 or, if it
occurs later, by the Effective Time and to maintain the effectiveness of such
registration statement covering such Company Stock Option (and to maintain the
current status of the prospectus contained therein) for so long as such Company
Stock Option remains outstanding. With respect to those individuals, if any,
who, subsequent to the Effective Time, will be subject to the reporting
requirements under Section 16(a) of the 1934 Act, where applicable, Parent
shall use all reasonable efforts to administer any Company Stock Option assumed
pursuant to this Section 1.04 in a manner that complies with Rule 16b-3
promulgated under the 1934 Act to the extent the Company Stock Option complies
with such rule prior to the Merger.

     SECTION 1.05. Warrants. The terms of each outstanding warrant to purchase
shares of Company Stock (each a "Company Stock Warrant") shall be adjusted as
necessary to provide that, at the Effective Time, each Company Stock Warrant
outstanding immediately prior to the Effective Time shall be deemed to
constitute a warrant to acquire the same number of shares of Parent Stock as
the holder of such Company Stock Warrant would have been entitled to receive
pursuant to the Merger had such holder exercised such Company Stock Warrant in
full immediately prior to the Effective Time, at a price per share of Parent
Stock equal to (i) the aggregate exercise price for the shares of Company Stock
otherwise purchasable pursuant to such Company Stock Warrant divided by (ii)
the aggregate number of shares of Parent Stock deemed purchasable pursuant to
such Company Stock Warrant (each, as so adjusted, an "Adjusted Warrant"),
provided that any fractional share of Parent Stock resulting from an
aggregation of all the shares of a holder subject to a Company Stock Warrant
shall be rounded to the nearest whole share. Each Adjusted Warrant will be
subject to the same terms and conditions as applicable under the relevant
Company Stock Warrant immediately prior to the Effective Time.

     SECTION 1.06. Adjustments. If, during the period between the date of this
Agreement and the Effective Time, any change in the outstanding shares of
capital stock of the Company or Parent shall occur, including by reason of any
reclassification, recapitalization, stock split or combination, exchange or
readjustment of shares, or any stock dividend thereon with a record date during


                                       5

<PAGE>


such period, the Merger Consideration and any other amounts payable pursuant to
this Agreement shall be appropriately adjusted.

     SECTION 1.07. Fractional Shares. No fractional shares of Parent Stock
shall be issued in the Merger. All fractional shares of Parent Stock that a
holder of shares of Company Stock would otherwise be entitled to receive as a
result of the Merger shall be aggregated and if a fractional share results from
such aggregation, such holder shall be entitled to receive, in lieu thereof, an
amount in cash without interest determined by multiplying the closing sale
price of a share of Parent Stock on the Nasdaq National Market on the trading
day immediately preceding the Effective Time by the fraction of a share of
Parent Stock to which such holder would otherwise have been entitled.

     SECTION 1.08. Withholding Rights. Each of the Surviving Corporation and
Parent shall be entitled to deduct and withhold from the consideration
otherwise payable to any Person pursuant to this Article such amounts as it is
required to deduct and withhold with respect to the making of such payment
under any provision of federal, state, local or foreign tax law. If the
Surviving Corporation or Parent, as the case may be, so withholds amounts, such
amounts shall be treated for all purposes of this Agreement as having been paid
to the holder of the shares of Company Stock in respect of which the Surviving
Corporation or Parent, as the case may be, made such deduction and withholding.

     SECTION 1.09. Lost Certificates. If any Certificate shall have been lost,
stolen or destroyed, upon the making of an affidavit of that fact by the Person
claiming such Certificate to be lost, stolen or destroyed and, if required by
the Surviving Corporation, the posting by such Person of a bond, in such
reasonable amount as the Surviving Corporation may direct, as indemnity against
any claim that may be made against it with respect to such Certificate, the
Exchange Agent will issue, in exchange for such lost, stolen or destroyed
Certificate, the Merger Consideration to be paid in respect of the shares of
Company Stock represented by such Certificate, as contemplated by this Article.

     SECTION 1.10. Dissenting Shares. (a) Notwithstanding any provision of this
Agreement to the contrary, shares of Company Stock that are outstanding
immediately prior to the Effective Time and which are held by shareholders who
shall have exercised and perfected appraisal rights for such shares in
accordance with California Law (collectively, the "Dissenting Shares") shall
not be converted into or represent the right to receive the Merger
Consideration. Such shareholders shall be entitled to receive payment of the
appraised value of such shares of Company Stock held by them in accordance with
California Law, except that all Dissenting Shares held by shareholders who
shall have failed to perfect or who effectively shall have withdrawn or lost
their rights to appraisal of such shares of Company Stock held by them in
accordance with California Law shall thereupon be deemed to have been converted
into and to have become


                                       6

<PAGE>


exchangeable for, as of the Effective Time, the right to receive the Merger
Consideration, without any interest thereon, upon surrender, in the manner
provided in Section 1.03, of the certificate or certificates that formerly
evidenced such shares. The Company shall pay to any holders of Dissenting
Shares all amounts to which such holders are entitled by exercise and
perfection of their rights under California Law, and neither Parent nor any
Affiliate of Parent shall make any such payment or reimburse the Company for
any such payment.

     (b) The Company shall give Parent (i) prompt notice of any demands for
appraisal received by the Company, withdrawals of such demands, and any other
instruments served pursuant to California Law and received by the Company and
(ii) the opportunity to direct all negotiations and proceedings with respect to
demands for appraisal under the California Law. The Company shall not, except
with the prior consent of Parent, make any payment with respect to any demands
for appraisal or offer to settle or settle any such demands.

                                   ARTICLE 2
                           THE SURVIVING CORPORATION

     SECTION 2.01. Articles of Incorporation. 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
applicable law.

     SECTION 2.02. Bylaws. The bylaws of Merger Subsidiary in effect at the
Effective Time shall be the bylaws of the Surviving Corporation until amended
in accordance with applicable law.

     SECTION 2.03. Directors and Officers. From and after the Effective Time,
until successors are duly elected or appointed and qualified in accordance with
applicable law, (a) the directors of Merger Subsidiary at the Effective Time
shall be the directors of the Surviving Corporation and (b) the officers of the
Merger Subsidiary at the Effective Time shall be the officers of the Surviving
Corporation.

                                   ARTICLE 3
                 REPRESENTATIONS AND WARRANTIES OF THE COMPANY

     Except as set forth on the Disclosure Schedule delivered by the Company to
Parent (the "Company Disclosure Schedule"), the Company hereby represents and
warrants to Parent that:


                                       7

<PAGE>


     SECTION 3.01. Corporate Existence and Power. The Company is a corporation
duly incorporated, validly existing and in good standing under the laws of the
State of California and has all corporate powers and all governmental licenses,
authorizations, permits, consents and approvals required to carry on its
business as now conducted, except for those licenses, authorizations, permits,
consents and approvals the absence of which would not have, individually or in
the aggregate, a Material Adverse Effect on the Company. The Company is duly
qualified to do business as a foreign corporation and is in good standing in
each jurisdiction where such qualification is necessary, except for those
jurisdictions where failure to be so qualified would not have, individually or
in the aggregate, a Material Adverse Effect on the Company. The Company has
heretofore delivered to Parent true and complete copies of the articles of
incorporation and bylaws of the Company as currently in effect.

     SECTION 3.02. Corporate Authorization. (a) The execution, delivery and
performance by the Company of this Agreement and the consummation by the
Company of the transactions contemplated hereby and thereby are within the
Company's corporate powers and, except for the required approval of the
Company's stockholders in connection with the consummation of the Merger, have
been duly authorized by all necessary corporate action on the part of the
Company. The affirmative vote of the holders of a majority of the outstanding
shares of Company Stock is the only vote of the holders of any of the Company's
capital stock necessary in connection with the consummation of the Merger. This
Agreement constitutes a valid and binding agreement of the Company.

     (b) At a meeting duly called and held, the Company's Board of Directors
has (i) unanimously determined that this Agreement and the transactions
contemplated hereby are fair to and in the best interests of the Company's
stockholders, (ii) unanimously approved and adopted this Agreement and the
transactions contemplated hereby and (iii) unanimously resolved (subject to
Section 5.03(b)) to recommend approval and adoption of this Agreement by its
stockholders.

     SECTION 3.03. Governmental Authorization. The execution, delivery and
performance by the Company of this Agreement and the consummation by the
Company of the transactions contemplated hereby requires no action by or in
respect of, or filing with, any governmental body, agency, official or
authority, domestic, foreign or supranational, other than (a) the filing of a
certificate of merger with respect to the Merger with the California Secretary
of State and appropriate documents with the relevant authorities of other
states in which Company is qualified to do business, (b) compliance with any
applicable requirements of the HSR Act, (c) compliance with any applicable
requirements of the 1933 Act, the 1934 Act, and any other applicable securities
laws, whether state or foreign and (d) any actions or filings the absence of
which would not be reasonably expected to have, individually or in the
aggregate, a material effect on


                                       8

<PAGE>


the Company or materially to impair the ability of the Company to consummate
the transactions contemplated by this Agreement.

     SECTION 3.04. Non-Contravention. The execution, delivery and performance
by the Company of this Agreement and the consummation of the transactions
contemplated hereby do not and will not (a) contravene, conflict with, or
result in any violation or breach of any provision of the articles of
incorporation or bylaws of the Company, (b) assuming compliance with the
matters referred to in Section 3.03, contravene, conflict with or result in a
violation or breach of any provision of any applicable law, statute, ordinance,
rule, regulation, judgment, injunction, order or decree that would have a
material effect on the Company, (c) require any material consent or other
action by any Person under, constitute a material default, or an event that,
with or without notice or lapse of time or both, would constitute a material
default under, or cause or permit the termination, cancellation, acceleration
or other change of any right or obligation or the loss of any benefit to which
the Company is entitled under any provision of any agreement or other
instrument binding upon the Company or any license, franchise, permit,
certificate, approval or other similar authorization affecting, or relating in
any way to, the assets or business of the Company or (d) result in the creation
or imposition of any Lien on any material asset of the Company.

     SECTION 3.05. Capitalization. (a) The authorized capital stock of the
Company consists of 30,000,000 shares of Company Stock and 10,000,000 shares of
preferred stock, no par value. As of February 24, 2000, there were outstanding
(i) no shares of preferred stock, (ii) 6,117,054 shares of Company Stock, (iii)
stock options to purchase an aggregate of 848,847 shares of Company Stock
pursuant to the 1994 Incentive Stock Option Plan and Nonstatutory Stock Option
Plan (of which options to purchase an aggregate of 264,863 shares of Company
Stock were then exercisable) and pursuant to certain agreements and
arrangements with consultants and other persons associated with the Company and
(iv) warrants to purchase 674,955 shares of Company Stock pursuant to the
agreements listed in Section 3.05 of the Company Disclosure Schedule. Based
upon the elections made by participants in the ESPP, the maximum number of
shares of Company Common Stock which may be issued under the ESPP as of the
date immediately prior to the Effective Time is 54,051. All outstanding shares
of capital stock of the Company have been, and all shares that may be issued
pursuant to the Company's option plans and pursuant to the warrants referred to
above will be, when issued in accordance with the respective terms thereof,
duly authorized and validly issued and are fully paid and nonassessable.

     (b) Except as set forth in this Section 3.05 and for changes since
February 24, 2000 resulting from the exercise of employee stock options or
warrants outstanding on such date, there are no outstanding (i) shares of
capital stock or voting securities of the Company, (ii) securities of the
Company convertible into or exchangeable for shares of capital stock or voting
securities of


                                       9

<PAGE>


the Company or (iii) options or other rights to acquire from the Company, or
other obligation of the Company to issue, any capital stock, voting securities
or securities convertible into or exchangeable for capital stock or voting
securities of the Company (the items in clauses (i), (ii) and (iii) being
referred to collectively as the "Company Securities"). There are no outstanding
obligations of the Company to repurchase, redeem or otherwise acquire any of
the Company Securities.

     SECTION 3.06. Subsidiaries. (a) The Company's only Subsidiary is Mustang
Software Inc. That Subsidiary does not currently conduct and has not previously
conducted any business, does not have any employees (other than its directors
and officers) and does not have any liabilities or obligations (other than
organizational liabilities or obligations). The Company has never had any other
Subsidiary.

     (b) All of the outstanding capital stock of, or other voting securities or
ownership interests in, the Company's Subsidiary, is owned by the Company,
directly or indirectly, free and clear of any Lien and free of any other
limitation or restriction (including any restriction on the right to vote, sell
or otherwise dispose of such capital stock or other voting securities or
ownership interests). There are no outstanding (i) securities of the Company or
its Subsidiary convertible into or exchangeable for shares of capital stock or
other voting securities or ownership interests in any Subsidiary of the Company
or (ii) options or other rights to acquire from the Company or its Subsidiary,
or other obligation of the Company or its Subsidiary to issue, any capital
stock or other voting securities or ownership interests in, or any securities
convertible into or exchangeable for any capital stock or other voting
securities or ownership interests in, that Subsidiary (the items in clauses (i)
and (ii) being referred to collectively as the "Company Subsidiary
Securities"). There are no outstanding obligations of the Company or its
Subsidiary to repurchase, redeem or otherwise acquire any of the Company
Subsidiary Securities.

     SECTION 3.07. SEC Filings. (a) The Company has delivered to Parent (i) the
Company's annual reports on Form 10-K for its fiscal years ended December 31,
1998, 1997 and 1996, (ii) its quarterly reports on Form 10-Q for each of its
fiscal quarters ended since December 31, 1998 (other than the quarter ended
December 31, 1999), (iii) its proxy or information statements relating to
meetings of, or actions taken without a meeting by, the stockholders of the
Company held since December 31, 1998, and (iv) all of its other reports,
statements, schedules and registration statements filed with the SEC since
January 1, 1997 (the documents referred to in this Section 3.07(a),
collectively, the "Company SEC Documents").


                                      10

<PAGE>


     (b) As of its filing date, each Company SEC Document complied as to form
in all material respects with the applicable requirements of the 1933 Act and
the 1934 Act, as the case may be.

     (c) As of its filing date, each Company SEC Document filed pursuant to the
1934 Act did not, and each such Company SEC Document filed subsequent to the
date hereof will not, contain any untrue statement of a material fact or omit
to state any material fact necessary in order to make the statements made
therein, in the light of the circumstances under which they were made, not
misleading.

     (d) Each Company SEC Document that is a registration statement, as amended
or supplemented, if applicable, filed pursuant to the 1933 Act, as of the date
such registration statement or amendment became effective, did not contain any
untrue statement of a material fact or omit to state any material fact required
to be stated therein or necessary to make the statements therein not
misleading.

     SECTION 3.08. Financial Statements. The audited financial statements and
unaudited interim financial statements (including, in each case, any related
notes or schedules) of the Company attached hereto as Exhibit H fairly present,
in conformity with generally accepted accounting principles ("GAAP") applied on
a consistent basis (except as may be indicated in the notes thereto), the
financial position of the Company and its Subsidiaries as of the Company
Balance Sheet Date and their results of operations and cash flows for the
period then ended.

     SECTION 3.09. Disclosure Documents. (a) The proxy or information statement
of the Company to be filed with the SEC in connection with the Merger (the
"Company Proxy Statement") and any amendments or supplements thereto will, when
filed, comply as to form in all material respects with the applicable
requirements of the 1934 Act. At the time the Company Proxy Statement or any
amendment or supplement thereto is first mailed to stockholders of the Company,
and at the time such stockholders vote on adoption of this Agreement and at the
Effective Time, the Company Proxy Statement, as supplemented or amended, if
applicable, will not contain any untrue statement of a material fact or omit to
state any material fact necessary in order to make the statements made therein,
in the light of the circumstances under which they were made, not misleading.
The representations and warranties contained in this Section 3.09(a) will not
apply to statements or omissions included in the Company Proxy Statement based
upon information furnished to the Company by Parent specifically for use
therein.

     (b) None of the information provided by the Company for inclusion in the
Registration Statement or any amendment or supplement thereto, at the time the
Registration Statement or any amendment or supplement becomes effective and at
the Effective Time, will contain any untrue statement of a material fact or
omit to state any material fact required to be stated therein or necessary in
order to make the statements therein not misleading.


                                      11

<PAGE>


     SECTION 3.10. Absence of Certain Changes. Since the Company Balance Sheet
Date, the business of the Company has been conducted in the ordinary course
consistent with past practices and, except as disclosed in the Company
Disclosure Schedule, there has not been:

     (a) any event, occurrence, development or state of circumstances or facts
that has had or could reasonably be expected to have, individually or in the
aggregate, a Material Adverse Effect on the Company;

     (b) any declaration, setting aside or payment of any dividend or other
distribution with respect to any shares of capital stock of the Company , or
any repurchase, redemption or other acquisition by the Company of any
outstanding shares of capital stock or other securities of, or other ownership
interests in, the Company;

     (c) any amendment of any material term of any outstanding security of the
Company;

     (d) any incurrence, assumption or guarantee by the Company of any
indebtedness for borrowed money or any entry into or amendment of any capital
lease;

     (e) any creation or other incurrence by the Company of any Lien on any
asset;

     (f) any making of any loan, advance or capital contributions to or
investment in any Person;

     (g) any material damage, destruction or other casualty loss (whether or
not covered by insurance) affecting the business or assets of the Company;

     (h) any transaction or commitment made, or any contract or agreement
entered into, by the Company relating to its assets or business (including the
acquisition or disposition of any assets) or any relinquishment by the Company
of any contract or other right, in either case, material to the Company, other
than transactions and commitments in the ordinary course of business consistent
with past practices and those contemplated by this Agreement;

     (i) any change in any method of accounting, method of tax accounting or
accounting principles or practice by the Company, except for any such change
required by reason of a concurrent change in GAAP or Regulation S-X under the
1934 Act;


                                      12

<PAGE>


     (j) any (i) grant of any severance or termination pay to (or amendment to
any existing arrangement with) any director, officer or employee of the
Company, (ii) increase in benefits payable under any existing severance or
termination pay policies or employment agreements, (iii) entering into or
amending any employment, deferred compensation or other similar agreement (or
any amendment to any such existing agreement) with any director, officer or
employee of the Company, (iv) establishment, adoption or amendment (except as
required by applicable law) of any collective bargaining, bonus,
profit-sharing, thrift, pension, retirement, deferred compensation,
compensation, stock option, restricted stock or other benefit plan or
arrangement covering any director, officer or employee of the Company, (v)
increase in compensation, bonus or other benefits payable to any director,
officer or employee of the Company (other than in the case of employees who are
not directors or officers, where such increases are in the ordinary course of
business consistent with past practice) or (vi) any consulting agreement;

     (k) any Tax election made or changed, any annual tax accounting period
changed, any method of tax accounting adopted or changed, any material amended
Tax Returns filed, any material closing agreement entered into, any material
Tax claim, audit or assessment settled or any right to claim a material Tax
refund, offset or other reduction in Tax liability surrendered; or

     (l) any labor dispute, other than routine individual grievances, or any
activity or proceeding by a labor union or representative thereof to organize
any employees of the Company, which employees were not subject to a collective
bargaining agreement at the Company Balance Sheet Date, or any lockouts,
strikes, slowdowns, work stoppages or threats thereof by or with respect to
such employees.

     SECTION 3.11. No Undisclosed Material Liabilities. There are no
liabilities or obligations of the Company of any kind whatsoever, whether
accrued, contingent, absolute, determined, determinable or otherwise, and there
is no existing condition, situation or set of circumstances that could
reasonably be expected to result in such a liability or obligation, other than:

     (a) liabilities or obligations disclosed and provided for in the Company
Balance Sheet or in the notes thereto or in the Company SEC Documents filed
prior to the date hereof,

     (b) liabilities or obligations incurred in the ordinary course of business
consistent with past practices since the Company Balance Sheet Date that would
not be material individually or in the aggregate, and

     (c) liabilities or obligations under this Agreement or the transactions
contemplated hereby.


                                      13

<PAGE>


     SECTION 3.12. Compliance with Laws and Court Orders. The Company is and,
since January 1, 1998 has been in compliance with, and to the knowledge of the
Company is not under investigation with respect to and has not been threatened
to be charged with or given notice of any violation of, any applicable law,
statute, ordinance, rule, regulation, judgment, injunction, order or decree
that would be material to the Company.

     SECTION 3.13. Litigation. Except as set forth in the Company SEC Documents
filed prior to the date hereof, there is no action, suit, investigation or
proceeding (or any basis therefor) pending against, or, to the knowledge of the
Company, threatened against or affecting, the Company, any present or former
officer, director or employee of the Company or any Person for whom the Company
may be liable or any of their respective properties before any court or
arbitrator or before or by any governmental body, agency or official, domestic,
foreign or supranational, that, if determined or resolved adversely in
accordance with the plaintiff's demands, could reasonably be expected to be
material to the Company individually or in the aggregate, that in any manner
challenges or seeks to prevent, enjoin, alter or materially delay the Merger or
any of the other transactions contemplated hereby.

     SECTION 3.14. Finders' Fees. Except for First Security Van Kasper, a copy
of whose engagement agreement has been provided to Parent, there is no
investment banker, broker, finder or other intermediary that has been retained
by or is authorized to act on behalf of the Company who might be entitled to
any fee or commission from the Company or any of its Affiliates in connection
with the transactions contemplated by this Agreement.

     SECTION 3.15. Opinion of Financial Advisor. The Company has received the
opinion of First Security Van Kasper, financial advisor to the Company, to the
effect that, as of the date of this Agreement, the Merger Consideration is fair
to the Company's stockholders from a financial point of view.

     SECTION 3.16. Taxes. (a) All Tax Returns required to be filed with any
Taxing Authority by, or with respect to, the Company have been timely filed in
accordance with all applicable laws.

     (b) The Company has timely paid all Taxes shown as due and payable on the
Tax Returns that have been so filed, and, as of the time of filing, the Tax
Returns correctly reflected the facts regarding the income, business, assets,
operations, activities and the status of Company (other than Taxes which are
being contested in good faith and for which adequate reserves are reflected on
the Company Balance Sheet).


                                      14

<PAGE>


     (c) The Company has made provision for all Taxes payable by the Company
for which no Tax Return has yet been filed.

     (d) The charges, accruals and reserves for Taxes with respect to the
Company reflected on the Company Balance Sheet are adequate under GAAP to cover
the Tax liabilities accruing through the date thereof.

     (e) The federal income Tax Returns of the Company have been examined and
settled with the appropriate Governmental Authority (or the applicable statutes
of limitation for the assessment of such taxes have expired) for all years
through 1995.

     (f) The Company has not requested any extension of time within which to
file any Tax Return in respect of any taxable year which has not since been
filed, and no outstanding waivers or comparable consents regarding the
application of the statute of limitations with respect to any Taxes or Tax
Returns has been given by or on behalf of the Company.

     (g) No federal, state, local or foreign audits, review, or other actions
("Company Audits") exist or have been initiated or threatened with regard to
any Taxes or Tax Returns of or with respect to the Company, and the Company has
not received any notice of such a Company Audit.

     (h) All Tax deficiencies which have been claimed or asserted with respect
to the Company by any Taxing Authority have been fully paid or settled (and the
amount of such settlement has been fully paid).

     (i) No claim has been made by a Taxing Authority in a jurisdiction where
the Company does not file Tax Returns to the effect that Company is or may be
subject to taxation by that jurisdiction.

     (j) The Company has not been a member of an affiliated, consolidated,
combined or unitary group other than one of which the Company was the common
parent, or made any election or participated in any arrangement whereby any Tax
liability or any Tax asset of the Company was determined or taken into account
for Tax purposes with reference to or in conjunction with any Tax liability or
any Tax asset of any other person.

     (k) The Company is not a party to any Tax sharing agreement or to any
other agreement or arrangement, as a result of which liability of Company to a
Governmental Authority is determined or taken into account with reference to
the activities of any other person, and the Company is not currently under any
obligation to pay any amounts as a result of having been a party to such an
agreement or arrangement, regardless of whether such Tax is imposed on the
Company.


                                      15

<PAGE>


     (l) "Taxes" shall mean any and all taxes, charges, fees, levies or other
assessments, including income, gross receipts, excise, real or personal
property, sales, withholding, social security, retirement, unemployment,
occupation, use, goods and services, service use, license, value added,
capital, net worth, payroll, profits, withholding, franchise, transfer and
recording taxes, fees and charges, and any other taxes, assessment or similar
charges imposed by the IRS or any taxing authority (whether domestic or foreign
including any state, county, local or foreign government or any subdivision or
taxing agency thereof (including a United States possession)) (a "Taxing
Authority"), whether computed on a separate, consolidated, unitary, combined or
any other basis; and such term shall include any interest whether paid or
received, fines, penalties or additional amounts attributable to, or imposed
upon, or with respect to, any such taxes, charges, fees, levies or other
assessments. "Tax Return" shall mean any report, return, document, declaration
or other information or filing required to be supplied to any Taxing Authority
or jurisdiction (foreign or domestic) with respect to Taxes, including
information returns, any documents with respect to or accompanying payments of
estimated Taxes, or with respect to or accompanying requests for the extension
of time in which to file any such report, return, document, declaration or
other information.

     SECTION 3.17. Employee Benefit Plans. (a) The Company has provided Parent
with a list and copies of the Employee Plans (and, if applicable, related trust
agreements) and all amendments thereto and written interpretations thereof
together with the most recent annual report (Form 5500 including, if
applicable, Schedule B thereto) and the most recent actuarial valuation report
prepared in connection with any Employee Plan.

     (b) Neither the Company nor any ERISA Affiliate of the Company maintains
or contributes to, or within the past six years, has maintained or contributed
to, any plan or arrangement subject to Title IV of ERISA.

     (c) Each Employee Plan that is intended to be qualified under Section
401(a) of the Code is so qualified and has been so qualified during the period
since its adoption; each trust created under any such Plan is exempt from tax
under Section 501(a) of the Code and has been so exempt since its creation. The
Company has provided Parent with the most recent determination letter of the
Internal Revenue Service relating to each such Employee Plan. Each Employee
Plan has been maintained in substantial compliance with its terms and with the
requirements prescribed by any and all applicable statutes, orders, rules and
regulations, including but not limited to ERISA and the Code.

     (d) The Company does not have any current or projected liability in
respect of post-employment or post-retirement health or medical or life
insurance benefits for retired, former or current employees of the Company,
except as


                                      16

<PAGE>


required to avoid excise tax under Section 4980B of the Code. No condition
exists that would prevent the Company from amending or terminating any Employee
Plan providing health or medical benefits in respect of any active employee of
the Company.

     (e) There has been no amendment to, written interpretation of or
announcement (whether or not written) by the Company relating to, or change in
employee participation or coverage under, any Employee Plan that would increase
materially the expense of maintaining such Employee Plan above the level of the
expense incurred in respect thereof for the most recent fiscal year ended prior
to the date hereof.

     (f) There is no contract, plan or arrangement (written or otherwise)
covering any employee or former employee of the Company that, individually or
collectively, could give rise to the payment of any amount that would not be
deductible pursuant to the terms of Sections 280G or 162(m) of the Code.

     (g) There has been no failure of a group health plan (as defined in
Section 5000(b)(1) of the Code) to meet the requirements of Code Section
4980B(f) with respect to a qualified beneficiary (as defined in Section
4980B(g)). The Company has not contributed to a nonconforming group health plan
(as defined in Section 5000(c)) and no ERISA Affiliate of the Company has
incurred a tax under Section 5000(a) that is or could become a liability of the
Company.

     (h) No employee or former employee of the Company will become entitled to
any bonus, retirement, severance, job security or similar benefit or enhanced
such benefit (including acceleration of vesting or exercise of an incentive
award) as a result of the transactions contemplated hereby.

     SECTION 3.18. Environmental Matters. (a) Except as set forth in the
Company SEC Documents prior to the date hereof and except as could not
reasonably be expected to have, individually or in the aggregate, a material
effect on the Company:

          (i) no notice, notification, demand, request for information,
     citation, summons or order has been received, no complaint has been filed,
     no penalty has been assessed, and no investigation, action, claim, suit,
     proceeding or review (or any basis therefor) is pending or, to the
     knowledge of the Company, is threatened by any governmental entity or
     other Person relating to or arising out of any Environmental Law;

          (ii) the Company is and has been in compliance with all Environmental
     Laws and all Environmental Permits; and


                                      17

<PAGE>


          (iii) there are no liabilities of or relating to the Company of any
     kind whatsoever, whether accrued, contingent, absolute, determined,
     determinable or otherwise arising under or relating to any Environmental
     Law and there are no facts, conditions, situations or set of circumstances
     that could reasonably be expected to result in or be the basis for any
     such liability.

     (b) There has been no environmental investigation, study, audit, test,
review or other analysis conducted of which the Company has knowledge in
relation to the current or prior business of the Company or any property or
facility now or previously owned or leased by the Company that has not been
delivered to Parent at least five days prior to the date hereof.

     (c) The Company does not own, lease or operate and has not owned, leased
or operated any real property, and does not conduct and has not conducted any
operations, in New Jersey or Connecticut.

     (d) For purposes of this Section 3.18, the term "Company" shall include
any entity that is, in whole or in part, a predecessor of the Company.

     SECTION 3.19. Contracts. (a) Section 3.19 of the Company Disclosure
Schedule lists the following written contracts and agreements of the Company
(such contracts and agreements being "Material Contracts"):

          (i) each contract and agreement for the purchase or lease of personal
     property with any supplier or for the furnishing of services to the
     Company that in each case involves annual payment in excess of $75,000;

          (ii) all customer, OEM, or "hosting" agreements and all broker,
     exclusive dealing or exclusivity, distributor, dealer, manufacturer's
     representative, franchise, agency, sales promotion and market research
     agreements, to which the Company is a party or any other material contract
     that compensates any person other than employees based on any sales by the
     Company;

          (iii) all leases and subleases of real property;

          (iv) all contracts and agreements relating to indebtedness for
     borrowed money or capital leases other than trade indebtedness of the
     Company;

          (v) all contracts and agreements involving annual payments in excess
     of $75,000 to which the Company is a party;


                                      18

<PAGE>


          (vi) all contracts and agreements that limit or purport to limit the
     ability of the Company to compete in any line of business or with any
     person or in any geographic area or during any period of time;

          (vii) all contracts relating to trafficking arrangements and domain
     name registration and customer list agreements;

          (viii) all contracts and agreements between or among the Company and
     any stockholder, director or officer of the Company or any affiliate of
     such person; and

          (ix) any other material agreement of the Company which is terminable
     upon or prohibits a change of ownership or control of the Company.

     (b) Each Material Contract: (i) is valid and binding on the Company and,
to the knowledge of the Company, on the other parties thereto, and is in full
force and effect, and (ii) upon consummation of the transactions contemplated
by this Agreement, shall continue in full force and effect without material
penalty or other material adverse consequence. The Company is not in material
breach of, or material default under, any Material Contract and, to the
knowledge of the Company, no other party to any Material Contract is in
material breach thereof or material default thereunder.

     SECTION 3.20. Real Property. The Company does not own and has never owned
any real property.

     SECTION 3.21. Intellectual Property. (a) Section 3.21 of the Company
Disclosure Schedule sets forth a true and complete list of all (i) Software and
other Intellectual Property owned by the Company and material to the business
of the Company ("Owned Intellectual Property") and (ii) licenses or sublicenses
of Intellectual Property to the Company, and licenses or sublicenses of
Intellectual Property by the Company to any third party, in each case that are
material to the business of the Company and are not readily available from
commercial sources ("Licensed Intellectual Property"). For purposes hereof,
"Intellectual Property" means: (i) United States, international, and foreign
patents, patent applications and statutory invention registrations, (ii)
trademarks, service marks, trade dress, slogans, logos, domain names, and other
source identifiers, including registrations and applications for registration
thereof, (iii) copyrights, including registrations and applications for
registration thereof and (iv) confidential and proprietary information,
including trade secrets and know-how. For purposes hereof, "Software" means all
material computer software developed by or on behalf of the Company, including
such computer software and databases of customers and contact lists that are
proprietary to the Company and the software operated by the Company on its web
sites.


                                      19

<PAGE>


     (b) The use of the Owned Intellectual Property and the Licensed
Intellectual Property by the Company does not conflict with or infringe in any
material way upon the Intellectual Property rights of any third party, and no
claim has been asserted with respect to any such alleged conflict or
infringement. The Company is the exclusive owner of the entire and unencumbered
right, title and interest in and to each item of Owned Intellectual Property.
The Company is entitled to use all Licensed Intellectual Property in the
ordinary course of business, subject only to the terms of the licenses of the
Licensed Intellectual Property.

     (c) The Owned Intellectual Property and the Licensed Intellectual Property
include all of the Intellectual Property and Software used in the ordinary
conduct of the business of the Company, and there are no other items of
Intellectual Property or Software that are material to such ordinary day-to-day
conduct of such business. To the knowledge of the Company, the Owned
Intellectual Property and any Intellectual Property licensed to the Company
under the Licensed Intellectual Property, is subsisting, valid and enforceable,
and has not been adjudged invalid or unenforceable in whole or part.

     (d) No legal proceedings have been asserted, are pending, or threatened
against the Company (i) based upon or challenging or seeking to deny or
restrict the use by the Company of any of the Owned Intellectual Property or
Licensed Intellectual Property, (ii) alleging that any services provided by,
processes used by, or products manufactured or sold by the Company infringe
upon or misappropriate any Intellectual Property right of any third party, or
(iii) alleging that any Intellectual Property licensed under the Licensed
Intellectual Property infringes upon any Intellectual Property right of any
third party or is being licensed or sublicensed in conflict with the terms of
any license or other agreement. To the knowledge of the Company, no person is
engaging in any activity that infringes in any material respect upon the Owned
Intellectual Property. The consummation of the transactions contemplated by
this Agreement will not result in the termination or material impairment of any
of the Owned Intellectual Property.

     (e) Except as set forth in Section 3.21 of the Company Disclosure
Schedule, the Company has not granted any license or similar right to any third
party with respect to the Owned Intellectual Property or Licensed Intellectual
Property. The Company has delivered or made available to Parent correct and
complete copies of all the licenses and sublicenses by the Company of the
Licensed Intellectual Property. With respect to each such license and
sublicense:

          (i) such license or sublicense is valid and binding and in full force
     and effect;

          (ii) such license or sublicense will not cease to be valid and
     binding and in full force and effect on terms identical to those currently
     in


                                      20

<PAGE>


     effect as a result of the consummation of the transactions contemplated by
     this Agreement, nor will the consummation of the transactions contemplated
     by this Agreement constitute a breach or default under such license or
     sublicense or otherwise give the licensor or sublicensor a right to
     terminate such license or sublicense; and

          (iii) (A) the Company has not received any notice of termination or
     cancellation under such license or sublicense, (B) the Company has not
     received any notice of a breach or default under such license or
     sublicense, which breach has not been cured, and (C) the Company has not
     granted to any other third party any rights, adverse or otherwise, under
     such license or sublicense that would constitute a breach of such license
     or sublicense; and

          (iv) to the knowledge of the Company, the Company nor any other party
     to such license or sublicense is in breach or default in any material
     respect, and, to the Company's knowledge, no event has occurred that, with
     notice or lapse of time would constitute such a breach or default or
     permit termination, modification or acceleration under such license or
     sublicense.

     (f) To the knowledge of the Company, the Software is free of all viruses,
worms, trojan horses and other material known contaminants, and does not
contain any bugs, errors, or problems of a material nature that disrupt its
operations or have a material impact on the operation of other software
programs or operating systems and no rights in the Software have been
transferred to any third party.

     (g) To the knowledge of the Company, the Company has the right to use all
software development tools, library functions, compilers, and other third party
software that is material to the business of the Company, or that is required
to operate or modify the Software.

     (h) The Company has taken reasonable steps in accordance with normal
industry practice to maintain the confidentiality of their customer lists and
customer information, trade secrets and other confidential Intellectual
Property.

     SECTION 3.22. Certain Interests. (a) Except as disclosed in the Company
SEC Documents or otherwise in this Agreement, to the knowledge of the Company,
none of the shareholders of the Company or their affiliates or any officer or
director of the Company and no immediate relative or spouse (or immediate
relative of such spouse) who resides with, or is a dependent of, any such
officer or director:


                                      21

<PAGE>


          (i) has any material direct or indirect financial interest in any
     significant competitor, supplier or customer of the Company, provided,
     however, that the ownership of securities representing no more than 2% of
     the outstanding voting power of any competitor, supplier or customer, and
     which are listed on any national securities exchange or traded actively in
     the national over-the-counter market, shall not be deemed to be a
     "financial interest" as long as the person owning such securities has no
     other connection or relationship with such competitor, supplier or
     customer;

          (ii) owns, directly or indirectly, in whole or in part, or has any
     other interest in any material tangible or intangible property which the
     Company uses or has used in the conduct of its business or otherwise
     (except for any such ownership or interest resulting from the ownership of
     securities in a public company); or

          (iii) except as set forth in Section 3.22(a) of the Company
     Disclosure Schedule, has outstanding any indebtedness to the Company.

     (b) Except as set forth in Section 3.22(b) of the Company Disclosure
Schedule, except for the payment of employee compensation in the ordinary
course of business, the Company does not have any liability or any other
obligation of any nature whatsoever to any shareholder of the Company or any
affiliate thereof or to any officer or director of the Company or, to the
knowledge of the Company, to any immediate relative or spouse (or immediate
relative of such spouse) of any such officer or director.

     SECTION 3.23. Products. Each of the software and other products that are
currently being produced or sold by the Company (or that have been produced or
sold by the Company in the past) (i) is in material compliance with all
applicable laws and regulations, (ii) conforms in all material respects to the
descriptions, design specifications, warranties and affirmations of fact made
in connection with its sale and (iii) is fit for the purposes for which it is
designed and is free of any material design defect, flaw or inadequacy. The
Company has not been advised by its customers of any material design defect,
flaw or inadequacy with respect to its products.

     SECTION 3.24. Tax Treatment. Neither the Company nor any of its Affiliates
has taken or agreed to take any action, or is aware of any fact or
circumstance, that would prevent the Merger from qualifying as a reorganization
within the meaning of Section 368(a) of the Code (a "368(a) Reorganization").

     SECTION 3.25. Antitakeover Statutes. No "control share acquisition," "fair
price," "moratorium" or other antitakeover laws or regulations enacted under


                                      22

<PAGE>


U.S. state or federal laws apply to this Agreement or any of the transactions
contemplated hereby.

                                   ARTICLE 4
                    REPRESENTATIONS AND WARRANTIES OF PARENT

     Except as set forth on the Disclosure Schedule delivered by Parent to the
Company (the "Parent Disclosure Schedule"), Parent hereby represents and
warrants to the Company that:

     SECTION 4.01. Corporate Existence and Power. The Parent is a corporation
duly incorporated, validly existing and in good standing under the laws of the
State of Delaware and has all corporate powers and all governmental licenses,
authorizations, permits, consents and approvals required to carry on its
business as now conducted, except for those licenses, authorizations, permits,
consents and approvals the absence of which would not have, individually or in
the aggregate, a Material Adverse Effect on Parent. Parent is duly qualified to
do business as a foreign corporation and is in good standing in each
jurisdiction where such qualification is necessary, except for those
jurisdictions where failure to be so qualified would not have, individually or
in the aggregate, a Material Adverse Effect on Parent. Parent has heretofore
delivered to the Company true and complete copies of the certificate of
incorporation and bylaws of Parent as currently in effect.

     SECTION 4.02. Corporate Authorization. The execution, delivery and
performance by Parent of this Agreement and the consummation by Parent of the
transactions contemplated hereby are within the corporate powers of Parent and
have been duly authorized by all necessary corporate action. This Agreement
constitutes a valid and binding agreement of Parent.

     SECTION 4.03. Governmental Authorization. The execution, delivery and
performance by Parent of this Agreement and the consummation by Parent of the
transactions contemplated hereby require no action by or in respect of, or
filing with, any governmental body, agency, official or authority, domestic,
foreign or supranational, other than (a) the filing of a certificate of merger
with respect to the Merger with the Delaware Secretary of State and appropriate
documents with the relevant authorities of other states in which Parent is
qualified to do business, (b) compliance with any applicable requirements of
the HSR Act, (c) compliance with any applicable requirements of the 1933 Act,
the 1934 Act and any other securities laws, whether state or foreign and (d)
any actions or filings the absence of which would not be reasonably expected to
have, individually or in the aggregate, a Material Adverse Effect on Parent or
materially to impair the ability of the Parent to consummate the transactions
contemplated by this Agreement.


                                      23

<PAGE>


     SECTION 4.04. Non-Contravention. The execution, delivery and performance
by Parent of this Agreement and the consummation by Parent of the transactions
contemplated hereby do not and will not (a) contravene, conflict with, or
result in any violation or breach of any provision of the certificate of
incorporation or bylaws of the Parent, (b) assuming compliance with the matters
referred to in Section 4.03, contravene, conflict with or result in a violation
or breach of any provision of any law, statute, ordinance, rule, regulation,
judgment, injunction, order or decree that would have a material effect on the
Parent, (c) require any material consent or other action by any Person under,
constitute a default under, or cause or permit the termination, cancellation,
acceleration or other change of any right or obligation or the loss of any
benefit to which Parent or any of its Subsidiaries is entitled under any
provision of any agreement or other instrument binding upon Parent or any of
its Subsidiaries or any license, franchise, permit, certificate, approval or
other similar authorization affecting, or relating in any way to, the assets or
business of the Parent and its Subsidiaries or (d) result in the creation or
imposition of any Lien on any material asset of the Parent or any of its
Subsidiaries referred to in clauses (e) and (f) that would not be reasonably
expected to have, individually or in the aggregate, a Material Adverse Effect
on Parent or materially to impair the ability of Parent and Merger Subsidiary
to consummate the transactions contemplated by this Agreement.

     SECTION 4.05. Capitalization. (a) The authorized capital stock of Parent
consists of 100,000,000 shares of Parent Stock and 10,000,000 shares of
preferred stock, par value $0.001 per share. As of February 22, 2000, there
were outstanding (i) no shares of preferred stock, (ii) 33,447,962 shares of
Parent Stock, (iii) employee stock options to purchase an aggregate of
3,689,846 shares of Parent Stock pursuant to the 1999 Stock Incentive Plan, the
1999 Stock Plan, the Employee Stock Purchase Plan and the 1999 Director Option
Plan, (of which options to purchase an aggregate of 3,370,869 shares of Parent
Stock were then exercisable) (iv) no shares of convertible preferred stock, (v)
no shares of redeemable convertible preferred stock and (vi) warrants to
purchase 762,622 shares of Parent Stock. All of the Parent Stock to be issued
pursuant to the Merger will be duly authorized and validly issued.

     (b) Except as set forth in this Section 4.05, as of February 22, 2000
there are no outstanding (i) shares of capital stock or voting securities of
Parent, (ii) securities of Parent convertible into or exchangeable for shares
of capital stock or voting securities of Parent or (iii) options or other
rights to acquire from Parent or other obligation of Parent to issue, any
capital stock, voting securities or securities convertible into or exchangeable
for capital stock or voting securities of Parent. There are no outstanding
obligations of Parent or any of its Subsidiaries to repurchase, redeem or
otherwise acquire any of the securities referred to in clause (i), (ii) or
(iii) above.


                                      24

<PAGE>


     (c) The shares of Parent Stock to be issued as part of the Merger
Consideration have been duly authorized and, when issued and delivered in
accordance with the terms of this Agreement, will have been validly issued and
will be fully paid and nonassessable and the issuance thereof is not subject to
any preemptive or other similar right.

     SECTION 4.06. Subsidiaries. (a) Each Subsidiary of Parent is a corporation
duly incorporated, validly existing and in good standing under the laws of its
jurisdiction of incorporation, has all corporate powers and all governmental
licenses, authorizations, permits, consents and approvals required to carry on
its business as now conducted, except for those licenses, authorizations,
permits, consents and approvals the absence of which would not have,
individually or in the aggregate, a Material Adverse Effect on Parent. Each
Subsidiary of Parent is duly qualified to do business as a foreign corporation
and is in good standing in each jurisdiction where such qualification is
necessary, except for those jurisdictions where failure to be so qualified
would not have, individually or in the aggregate, a Material Adverse Effect on
Parent.

     (b) All of the outstanding capital stock of, or other voting securities or
ownership interests in, each Subsidiary of Parent, is owned by Parent, directly
or indirectly, free and clear of any Lien and free of any other limitation or
restriction (including any restriction on the right to vote, sell or otherwise
dispose of such capital stock or other voting securities or ownership
interests). As of the date hereof, there are no outstanding (i) securities of
Parent or any of its Subsidiaries convertible into or exchangeable for shares
of capital stock or other voting securities or ownership interests in any of
its Subsidiaries or (ii) options or other rights to acquire from Parent or any
of its Subsidiaries, or other obligation of Parent or any of its Subsidiaries
to issue, any capital stock or other voting securities or ownership interests
in, or any securities convertible into or exchangeable for any capital stock or
other voting securities or ownership interests in, any Subsidiary of Parent. As
of the date hereof, there are no outstanding obligations of Parent or any of
its Subsidiaries to repurchase, redeem or otherwise acquire any of the
securities referred to in clauses (i) or (ii) above.

     SECTION 4.07. SEC Filings. Parent has delivered to the Company its Form
S-1 (Registration No. 333-86919) filed with the SEC on November 15, 1999 (the
"Parent Form S-1") and its Form 10-Q for the fiscal quarter ended December 31,
1999 (the "Parent Form 10-Q"). The Parent Form S-1, as of the date such
registration statement or any amendment became effective, and the Parent Form
10-Q, as of the date of filing with the SEC (together, the "Parent SEC
Documents"), did not contain any untrue statement of a material fact or omit to
state any material fact required to be stated therein or necessary to make the
statements therein not misleading.


                                      25

<PAGE>


     SECTION 4.08. Financial Statements. The audited consolidated financial
statements and unaudited consolidated interim financial statements of Parent
included in the Parent SEC Documents fairly present, in conformity with GAAP
applied on a consistent basis (except as may be indicated in the notes
thereto), the consolidated financial position of Parent and its consolidated
Subsidiaries as of the dates thereof and their consolidated results of
operations and cash flows for the periods then ended (subject to normal
year-end adjustments in the case of any unaudited interim financial
statements).

     SECTION 4.09. Disclosure Documents. (a) None of the information provided
by Parent for inclusion in the Company Proxy Statement or any amendment or
supplement thereto, at the time the Company Proxy Statement or any amendment or
supplement thereto is first mailed to stockholders of the Company and at the
time the stockholders vote on adoption of this Agreement and at the Effective
Time, will contain any untrue statement of a material fact or omit to state any
material fact necessary in order to make the statements made therein, in the
light of the circumstances under which they were made, not misleading.

     (b) The Registration Statement of Parent to be filed with the SEC with
respect to the offering of Parent Stock in connection with the Merger (the
"Registration Statement") and any amendments or supplements thereto, when
filed, will comply as to form in all material respects with the requirements of
the 1933 Act. At the time the Registration Statement or any amendment or
supplement thereto becomes effective and at the Effective Time, the
Registration Statement, as amended or supplemented, will not contain any untrue
statement of a material fact or omit to state any material fact required to be
stated therein or necessary in order to make the statements therein not
misleading. The representations and warranties contained in this Section 4.09
will not apply to statements or omissions in the Registration Statement or any
amendment or supplement thereto based upon information furnished to Parent or
Merger Subsidiary by the Company specifically for use therein.

     SECTION 4.10. Absence of Certain Changes. Since Parent Balance Sheet Date,
the business of Parent and its Subsidiaries has been conducted in the ordinary
course consistent with past practice and, except as disclosed in this Section
4.10, there has not been:

     (a) any event, occurrence, development or state of circumstances or facts
that has had or would reasonably be expected to have, individually or in the
aggregate, a Material Adverse Effect on Parent;

     (b) any declaration, setting aside or payment of any dividend or other
distribution with respect to any shares of capital stock of Parent other than
Parent's normal quarterly dividend, or any repurchase, redemption or other
acquisition by Parent or any of its Subsidiaries of any outstanding shares of
capital


                                      26

<PAGE>


stock or other securities of, or other ownership interests in, Parent or any of
its Subsidiaries;

     (c) any change in any method of accounting, method of tax accounting, or
accounting practice by Parent or any of its Subsidiaries, except for any such
change required by reason of a concurrent change in GAAP or Regulation S-X
under the 1934 Act;

     (d) any damage, destruction or other casualty loss (whether or not covered
by insurance) affecting the business or assets of Parent or any of its
Subsidiaries which would, individually or in the aggregate, have a Material
Adverse Effect on Parent; and

     (e) any material labor dispute, other than routine individual grievances,
or, to the knowledge of Parent, any activity or proceeding by a labor union or
representative thereof to organize any employees of Parent or any of its
Subsidiaries, which employees were not subject to a collective bargaining
agreement at the Parent Balance Sheet Date, or any material lockouts, strikes,
slowdowns, work stoppages or threats thereof by or with respect to such
employees other than any such events that would not, individually or in the
aggregate, have a Material Adverse Effect on Parent.

     SECTION 4.11. No Undisclosed Material Liabilities. There are no
liabilities or obligations of Parent or any of its Subsidiaries of any kind
whatsoever, whether accrued, contingent, absolute, determined, determinable or
otherwise, that would be required by GAAP to be reflected on a consolidated
balance sheet of Parent, and there is no existing condition, situation or set
of circumstances that could reasonably be expected to result in such a
liability, other than:

     (a) liabilities or obligations disclosed and provided for in the Parent
Balance Sheet or in the notes thereto or in the Parent SEC Documents;

     (b) liabilities or obligations incurred in the ordinary course of business
consistent with past practices since the Parent Balance Sheet Date that would
not reasonably be expected to have, individually or in the aggregate, a
Material Adverse Effect on Parent; and

     (c) liabilities or obligations under this Agreement or the transactions
contemplated hereby.

     SECTION 4.12. Compliance with Laws and Court Orders. Parent and each of
its Subsidiaries is and, since January 1, 1998 has been in compliance with, and
to the knowledge of Parent is not under investigation with respect to and has
not been threatened to be charged with or given notice of any violation of, any


                                      27

<PAGE>


applicable law, rule, regulation, judgment, injunction, order or decree that
would be material to the Parent.

     SECTION 4.13. Litigation. Except as set forth in the Parent SEC Documents,
there is no action, suit, investigation or proceeding (or any basis therefor)
pending against, or, to the knowledge of Parent, threatened against or
affecting, Parent, any of its Subsidiaries, any present or former officer,
director or employee of Parent or any of its Subsidiaries or any other Person
for whom Parent or any Subsidiary may be liable or any of their respective
properties before any court or arbitrator or any governmental body, agency or
official, domestic, foreign or supranational, that, if determined or resolved
adversely in accordance with the plaintiff's demands, could reasonably be
expected to be material to the Parent individually or in the aggregate, that in
any manner challenges or seeks to prevent, enjoin, alter or materially delay
the Merger or any of the other transactions contemplated hereby.

     SECTION 4.14. Finders' Fees. Except for First Albany Corporation, whose
fees will be paid by Parent, there is no investment banker, broker, finder or
other intermediary that has been retained by or is authorized to act on behalf
of Parent who might be entitled to any fee or commission from the Company or
any of its Affiliates upon consummation of the transactions contemplated by
this Agreement.

     SECTION 4.15. Opinion of Financial Advisor. Parent has received the
opinion of First Albany Corporation, financial advisors to Parent, to the
effect that, as of the date of this Agreement, the Merger Consideration is fair
to Parent's stockholders from a financial point of view.

     SECTION 4.16. Taxes. (a) All Tax Returns required to be filed with any
Taxing Authority by, or with respect to, Parent and its Subsidiaries have been
filed in accordance with all applicable laws.

     (b) Parent and each of its Subsidiaries has timely paid all Taxes shown as
due and payable on the Tax Returns that have been so filed, and, as of the time
of filing, the Tax Returns correctly reflected the facts regarding the income,
business, assets, operations, activities and the status of Parent and each of
its Subsidiaries (other than Taxes which are being contested in good faith and
for which adequate reserves are reflected on the Parent Balance Sheet).

     (c) Parent and its Subsidiaries have made provision for all Taxes payable
by Parent and its Subsidiaries for which no Tax Return has yet been filed.

     (d) The charges, accruals and reserves for Taxes with respect to Parent
and its Subsidiaries reflected on the Parent Balance Sheet are adequate under
GAAP to cover the Tax liabilities accruing through the date thereof.


                                      28

<PAGE>


     (e) The federal income Tax Returns of Parent and its Subsidiaries have
been examined and settled with the appropriate Governmental Authority (or the
applicable statutes of limitation for the assessment of such taxes have
expired) for all years through fiscal 1999.

     (f) No federal, state, local or foreign audits, reviews or other actions
("Parent Audits") exist or have been initiated or threatened with regard to any
Taxes or Tax Returns of or with respect to Parent or any of its Subsidiaries,
and neither Parent nor any of its Subsidiaries has received any notice of such
a Parent Audit.

     (g) No claim has been made by a Taxing Authority in a jurisdiction where
either Parent or its Subsidiaries does not file Tax Returns to the effect that
Parent or its Subsidiaries is or may be subject to taxation by that
jurisdiction.

     (h) Neither Parent nor any of its Subsidiaries has been a member of an
affiliated, consolidated, combined or unitary group other than one of which
Parent was the common parent, or made any election or participated in any
arrangement whereby any Tax liability or any Tax asset of Parent or any of its
Subsidiaries was determined or taken into account for Tax purposes with
reference to or in conjunction with any Tax liability or any Tax asset of any
other person.

     SECTION 4.17. Tax Treatment. Neither Parent nor any of its Affiliates has
taken or agreed to take any action, or is aware of any fact or circumstance,
that would prevent the Merger from qualifying as a 368(a) Reorganization.

     SECTION 4.18. Laws and Authorizations. (a) Neither Parent nor any of its
Subsidiaries has violated any foreign, federal, state or local law or
regulation relating to the protection of human health and safety, the
environment or hazardous or toxic substances or wastes, pollutants or
contaminants ("Parent Environmental Laws") or any provisions of ERISA, or the
rules and regulations promulgated thereunder, except for such violations which,
singly or in the aggregate, would not have a Material Adverse Effect on Parent.

     (b) There are no costs or liabilities associated with Parent Environmental
Laws (including, without limitation, any capital or operating expenditures
required for clean-up, closure of properties or compliance with Parent
Environmental Laws, any related constraints on operating activities and any
potential liabilities to third parties) which would, singly or in the
aggregate, have a Material Adverse Effect on Parent.

     SECTION 4.19. Intellectual Property. Except as described in the Parent SEC
Documents, Parent and its Subsidiaries own or possess, or can acquire on
reasonable terms, all patents, patent rights, licenses, inventions, copyrights,
know-


                                      29

<PAGE>


how (including trade secrets and other unpatented and/or unpatentable
proprietary or confidential information, systems or procedures), trademarks,
service marks and trade names ("Parent Intellectual Property") currently
employed by them in connection with the business now operated by them except
where the failure to own or possess or otherwise be able to acquire such Parent
Intellectual Property would not, singly or in the aggregate, have a Material
Adverse Effect on Parent.

                                   ARTICLE 5
                            COVENANTS OF THE COMPANY

     The Company agrees that:

     SECTION 5.01. Conduct of the Company. Effective Time, the Company and its
Subsidiary shall conduct their business in the ordinary course consistent with
past practice and shall use their reasonable best efforts to preserve intact
their business organizations and relationships with third parties and to keep
available the services of their present officers and employees. Without
limiting the generality of the foregoing, from the date hereof until the
Effective Time the Company will not:

     (a) adopt or propose any change to its articles of incorporation or
bylaws;

     (b) adopt or implement any stockholder rights plan;

     (c) authorize for issuance, issue, sell, deliver or agree or commit to
issue, sell or deliver (whether through the issuance or granting of options,
warrants, commitments, subscriptions, rights to purchase or otherwise) any
stock of any class or any other securities (except bank loans) or equity
equivalents (including, without limitation, any stock options or stock
appreciation rights), except for the issuance and sale by the Company of
Company Stock pursuant to Company Stock Options and warrants issued and
outstanding as of the date hereof and except that, with the prior written
consent of Parent, the Company may issue options to employees hired after the
date hereof (other than directors and officers);

     (d) split, combine or reclassify any shares of its capital stock, declare,
set aside or pay any dividend or other distribution (whether in cash, stock or
property or any combination thereof) in respect of its capital stock, make any
other actual, constructive or deemed distribution in respect of its capital
stock or otherwise make any payments to shareholders in their capacity as such,
or redeem or otherwise acquire any of its securities;


                                      30

<PAGE>


     (e) except as otherwise permitted by this Agreement, adopt a plan of
complete or partial liquidation, dissolution, merger, consolidation,
restructuring, recapitalization or other reorganization of the Company or its
Subsidiary (other than the Merger);

     (f) (i) incur or assume any long-term or short-term debt or enter into or
amend capital leases; (ii) assume, guarantee, endorse or otherwise become
liable or responsible (whether directly, contingently or otherwise) for the
obligations of any other Person; (iii) make any loans, advances or capital
contributions to, or investments in, any other Person; (iv) pledge or otherwise
encumber shares of capital stock of the Company or its Subsidiary; or (v)
mortgage or pledge any of its material assets, tangible or intangible, or
create or suffer to exist any Lien thereupon (other than tax Liens for taxes
not yet due);

     (g) except as may be required by law, enter into, adopt or amend or
terminate any bonus, profit sharing, compensation, severance, termination,
stock option, stock appreciation right, restricted stock, performance unit,
stock equivalent, stock purchase agreement, pension, retirement, deferred
compensation, employment, severance or other employee benefit agreement, trust,
plan, fund or other arrangement for the benefit or welfare of any director,
officer or employee in any manner, or increase in any manner the compensation
or fringe benefits of any director, officer or employee or pay any benefit not
required by any plan and arrangement as in effect as of the date hereof
(including, without limitation, the granting of stock appreciation rights or
performance units);

     (h) except as otherwise permitted by this Agreement, acquire, sell, lease
or dispose of any assets in any single transaction or series of related
transactions (other than in the ordinary course of business);

     (i) hire any new employees without the prior written consent of Parent;

     (j) except as may be required as a result of a change in law or in GAAP,
change any of the accounting principles or practices used by it;

     (k) revalue in any material respect any of its assets, including, without
limitation, writing down the value of inventory or writing-off notes or
accounts receivable other than as required under GAAP in the ordinary course of
business;

     (l) (i) acquire (by merger, consolidation, or acquisition of stock or
assets) any corporation, partnership, or other business organization or
division thereof or any equity interest therein; (ii) enter into any contract
or agreement that would be required to be disclosed pursuant to Section 3.19,
which cannot be terminated without twelve months notice, or that would
otherwise be material to the Company; or (iii) authorize any new capital
expenditure or expenditures which, in the aggregate, are in excess of $150,000;


                                      31

<PAGE>


     (m) make any tax election or settle or compromise any income tax liability
material to the Company and its Subsidiary;

     (n) settle or compromise any pending or threatened suit, action or claim;

     (o) the Company will not, and will not permit its Subsidiary to, sell,
lease, license or otherwise dispose of any assets, securities or property
except (i) pursuant to existing contracts or commitments and (ii) in the
ordinary course consistent with past practice;

     (p) the Company will not, and will not permit its Subsidiary to, (i) take
any action that would make any representation and warranty of the Company
hereunder inaccurate in any respect at, or as of any time prior to, the
Effective Time or (ii) omit to take any action necessary to prevent any such
representation or warranty from being inaccurate in any respect at any such
time; and

     (q) the Company will not, and will not permit its Subsidiary to, agree or
commit to do any of the foregoing.

     SECTION 5.02. Stockholder Meeting; Proxy Material. The Company shall cause
a meeting of its stockholders (the "Company Stockholder Meeting") to be duly
called and held as soon as reasonably practicable for the purpose of voting on
the approval and adoption of this Agreement and the Merger. Subject to Section
5.03(b), the Board of Directors of the Company shall recommend approval and
adoption of this Agreement and the Merger by the Company's stockholders. In
connection with such meeting, the Company will (a) promptly prepare and file
with the SEC, use its best efforts to have cleared by the SEC and thereafter
mail to its stockholders as promptly as practicable the Company Proxy Statement
and all other proxy materials for such meeting, (b) use its reasonable best
efforts to obtain the necessary approvals by its stockholders of this Agreement
and the transactions contemplated hereby and (c) otherwise comply with all
legal requirements applicable to such meeting.

     SECTION 5.03. No Solicitation. (a) Neither the Company nor any of its
Subsidiaries shall, nor shall the Company or any of its Subsidiaries authorize
or permit any of its or their officers, directors, employees, investment
bankers, attorneys, accountants, consultants or other agents or advisors to,
directly or indirectly, (i) solicit, initiate or take any action to facilitate
or encourage the submission of any Acquisition Proposal, (ii) enter into or
participate in any discussions or negotiations with, furnish any information
relating to the Company or any of its Subsidiaries or afford access to the
business, properties, assets, books or records of the Company or any of its
Subsidiaries to, otherwise cooperate in any way with, or knowingly assist,
participate in, facilitate or encourage any effort by any Third Party that is
seeking to make, or has made, an Acquisition Proposal


                                      32

<PAGE>


or (iii) grant any waiver or release under any standstill or similar agreement
with respect to any class of equity securities of the Company or any of its
Subsidiaries.

     (b) Notwithstanding the foregoing, if the Board of Directors of the
Company determines in good faith, on the basis of written advice from
Kirkpatrick & Lockhart LLP, outside legal counsel to the Company, that it must
take such action to comply with its fiduciary duties under applicable law, the
Board of Directors of the Company, may (i) engage in negotiations or
discussions with any Third Party that has made an Acquisition Proposal (without
prior solicitation by or negotiation with the Company) which the Board of
Directors reasonably determines to be a Superior Proposal, (ii) furnish to such
Third Party nonpublic information relating to the Company or any of its
Subsidiaries pursuant to a confidentiality agreement with terms no less
favorable to the Company than those contained in the Confidentiality Agreement
dated as of January 28, 2000 between the Company and Parent (the
"Confidentiality Agreement"), (iii) following receipt of such Superior
Proposal, take and disclose to its stockholders a position contemplated by Rule
14e-2(a) under the 1934 Act or otherwise make disclosure to them or (iv)
following receipt of such Superior Proposal, fail to make, withdraw, or modify
in a manner adverse to Parent its recommendation to its stockholders referred
to in Section 5.02 hereof.

     (c) The Board of Directors of the Company shall not take any of the
actions referred to in clauses (i) through (iv) of the preceding subsection
unless the Company shall have delivered to Parent a prior written notice
advising Parent that it intends to take such action, and the Company shall
continue to advise Parent after taking such action. In addition, the Company
shall notify Parent promptly (but in no event later than 36 hours) after
receipt by the Company (or any of its advisors) of any Acquisition Proposal,
any indication that a Third Party is considering making an Acquisition Proposal
or of any request for information relating to the Company or any of its
Subsidiaries or for access to the business, properties, assets, books or
records of the Company or any of its Subsidiaries by any Third Party that may
be considering making, or has made, an Acquisition Proposal. The Company shall
provide such notice orally and in writing and shall identify the Third Party
making, and the terms and conditions of, any such Acquisition Proposal,
indication or request. The Company shall keep Parent reasonably informed of the
status and details of any such Acquisition Proposal, indication or request. The
Company shall, and shall cause its Subsidiaries and the advisors, employees and
other agents of the Company and any of its Subsidiaries to, cease immediately
and cause to be terminated any and all existing activities, discussions or
negotiations, if any, with any Third Party conducted prior to the date hereof
with respect to any Acquisition Proposal and shall use its commercially
reasonable efforts to cause any such Party (or its agents or advisors) in
possession of confidential information about the Company that was furnished by
or on behalf of the Company to return or destroy all such information.


                                      33

<PAGE>


     "Superior Proposal" means any bona fide, unsolicited written Acquisition
Proposal for at least a majority of the outstanding shares of Company Stock on
terms that the Board of Directors of the Company determines in good faith by a
majority vote, on the basis of the advice of a financial advisor of nationally
recognized reputation and taking into account all the terms and conditions of
the Acquisition Proposal, including any break-up fees, expense reimbursement
provisions and conditions to consummation, are more favorable and provide
greater value to all the Company's stockholders than as provided hereunder and
for which financing, to the extent required, is then fully committed or
reasonably determined to be available by the Board of Directors of the Company.

     SECTION 5.04. Lock-Up Letters. Prior to the Effective Time, the Company
will obtain and deliver from each of James Harrer, Donald Leonard, Christopher
Rechtsteiner, C. Scott Hunter, Dan Cooper and Lynn Wright a lock- up agreement,
substantially in the form of Exhibit A hereto, whereby each agrees not to offer
to sell, grant any option for the sale of, or otherwise dispose of any Parent
Stock prior to May 15, 2000.

     SECTION 5.05. Non-Compete Agreements. On or prior to the Effective Time,
the Company shall use its best efforts to obtain from James Harrer and C. Scott
Hunter a non-compete agreement, substantially in the form of Exhibit B hereto.

                                   ARTICLE 6
                              COVENANTS OF PARENT

     Parent agrees that:

     SECTION 6.01. Conduct of Parent. Parent agrees that, from the date hereof
until the Effective Time, Parent and its Subsidiaries shall conduct their
business in the ordinary course consistent with past practice and shall use
their reasonable best efforts to preserve intact their business organizations
and relationships with third parties and to keep available the services of
their present officers and employees. Without limiting the generality of the
foregoing, from the date hereof until the Effective Time:

     (a) Parent will not adopt or propose any change in its articles of
incorporation or bylaws;

     (b) except as may be required as a result of a change in law or in GAAP,
change any of the accounting principles or practices used by it;


                                      34

<PAGE>


     (c) Parent will not, and will not permit any of its Subsidiaries to, take
any action that would make any representation and warranty of Parent hereunder
inaccurate in any respect at, or as of any time prior to, the Effective Time.

     SECTION 6.02. Obligations of Merger Subsidiary. Parent will take all
action necessary to cause Merger Subsidiary to perform its obligations under
this Agreement and to consummate the Merger on the terms and conditions set
forth in this Agreement.

     SECTION 6.03. Director and Officer Liability. Parent shall cause the
Surviving Corporation, and the Surviving Corporation hereby agrees, to do the
following:

     (a) For six years after the Effective Time, the Surviving Corporation
shall indemnify and hold harmless the present and former officers and directors
of the Company (each an "Indemnified Person") in respect of acts or omissions
occurring at or prior to the Effective Time to the fullest extent permitted by
Delaware Law or any other applicable laws or provided under the Company's
articles of incorporation and bylaws in effect on the date hereof, provided
that such indemnification shall be subject to any limitation imposed from time
to time under applicable law.

     (b) For six years after the Effective Time, the Surviving Corporation
shall provide officers' and directors' liability insurance in respect of acts
or omissions occurring prior to the Effective Time covering each such
Indemnified Person currently covered by the Company's officers' and directors'
liability insurance policy on terms with respect to coverage and amount no less
favorable than those of such policy in effect on the date hereof, provided
that, in satisfying its obligation under this Section 6.03(b), the Surviving
Corporation shall not be obligated to pay premiums in excess of 150% of the
amount per annum the Company paid in its last full fiscal year, which amount
the Company has disclosed to Parent prior to the date hereof; provided further,
that Parent shall be obligated to provide such coverage as may be obtained for
such amount.

     (c) If Parent, the Surviving Corporation or any of its successors or
assigns (i) consolidates with or merges into any other Person and shall not be
the continuing or surviving corporation or entity of such consolidation or
merger, or (ii) transfers or conveys all or substantially all of its properties
and assets to any Person, then, and in each such case, to the extent necessary,
proper provision shall be made so that the successors and assigns of Parent or
the Surviving Corporation, as the case may be, shall assume the obligations set
forth in this Section 6.03.

     (d) The rights of each Indemnified Person under this Section 6.03 shall be
in addition to any rights such Person may have under the article of
incorporation or bylaws of the Company or any of its Subsidiaries, or under


                                      35

<PAGE>


California Law or any other applicable laws or under any agreement of any
Indemnified Person with the Company or any of its Subsidiaries. These rights
shall survive consummation of the Merger and are intended to benefit, and shall
be enforceable by, each Indemnified Person.

     SECTION 6.04. Registration Statement. Parent shall promptly prepare and
file with the SEC under the 1933 Act the Registration Statement and shall use
its best efforts to cause the Registration Statement to be declared effective
by the SEC as promptly as practicable. Parent shall promptly take any action
required to be taken under foreign or state securities or Blue Sky laws in
connection with the issuance of Parent Stock in the Merger.

     SECTION 6.05. Stock Exchange Listing. Parent shall use its best efforts to
cause the shares of Parent Stock to be issued in connection with the Merger to
be listed on the Nasdaq National Market.

     SECTION 6.06. Employee Benefits. For one year following the Effective
Time, the employees of the Company will be provided compensation and benefits
(other than stock based compensation) that are, in the reasonable judgment of
Parent, substantially comparable in the aggregate to those provided by the
Company to its employees as of the date hereof. After the Effective Time,
Parent shall recognize service with the Company and its subsidiaries as service
for vesting and service credit purposes under any employee benefit plan or
arrangement maintained by Parent. Nothing in this Section shall obligate
Parent, the Company or any of their respective Subsidiaries to continue the
employment of any person for any period.

     SECTION 6.07. Broker Program. Parent shall use its reasonable best efforts
to establish, effective on and after May 15, 2000, a customary broker program
to permit exercises of Adjusted Options on a "cashless" basis and to permit
resales of Parent Stock obtained on such exercise, with the cost of such
exercises and resales to be borne by the participants.

                                   ARTICLE 7
                      COVENANTS OF PARENT AND THE COMPANY

     The parties hereto agree that:

     SECTION 7.01. Best Efforts. Subject to the terms and conditions of this
Agreement, Company and Parent will use their reasonable best efforts to take,
or cause to be taken, all actions and to do, or cause to be done, all things
necessary, proper or advisable under applicable laws and regulations to
consummate the transactions contemplated by this Agreement by May 15, 2000. In
furtherance


                                      36

<PAGE>


and not in limitation of the foregoing, each of Parent and Company agrees to
make an appropriate filing of a Notification and Report Form pursuant to the
HSR Act with respect to the transactions contemplated hereby as promptly as
practicable and in any event within ten business days of the date hereof and to
supply as promptly as practicable any additional information and documentary
material that may be requested pursuant to the HSR Act and to take all other
actions necessary to cause the expiration or termination of the applicable
waiting periods under the HSR Act as soon as practicable.

     SECTION 7.02. Certain Filings. The Company and Parent shall cooperate with
one another (a) in connection with the preparation of the Company Proxy
Statement and the Registration Statement, (b) in determining whether any action
by or in respect of, or filing with, any governmental body, agency, official,
or authority is required, or any actions, consents, approvals or waivers are
required to be obtained from parties to any material contracts, in connection
with the consummation of the transactions contemplated by this Agreement and
(c) in taking such actions or making any such filings, furnishing information
required in connection therewith or with the Company Proxy Statement or the
Registration Statement and seeking timely to obtain any such actions, consents,
approvals or waivers.

     SECTION 7.03. Public Announcements. Parent and the Company will consult
with each other before issuing any press release or making any public statement
with respect to this Agreement or the transactions contemplated hereby and,
except as may be required by applicable law or any listing agreement with the
Nasdaq Stock Market, will not issue any such press release or make any such
public statement prior to such consultation.

     SECTION 7.04. Further Assurances. At and after the Effective Time, the
officers and directors of the Surviving Corporation will be authorized to
execute and deliver, in the name and on behalf of the Company or Merger
Subsidiary, any deeds, bills of sale, assignments or assurances and to take and
do, in the name and on behalf of the Company or Merger Subsidiary, any other
actions and things to vest, perfect or confirm of record or otherwise in the
Surviving Corporation any and all right, title and interest in, to and under
any of the rights, properties or assets of the Company acquired or to be
acquired by the Surviving Corporation as a result of, or in connection with,
the Merger.

     SECTION 7.05. Access to Information. From the date hereof until the
Effective Time and subject to applicable law and the Confidentiality Agreement,
the Company and Parent shall (a) give to the other party, its counsel,
financial advisors, auditors and other authorized representatives reasonable
access to the offices, properties, books and records of such party, (b) furnish
to the other party, its counsel, financial advisors, auditors and other
authorized representatives such financial and operating data and other
information as such Persons may


                                      37

<PAGE>


reasonably request and (c) instruct its employees, counsel, financial advisors,
auditors and other authorized representatives to cooperate with the other party
in its investigation. Any investigation pursuant to this Section shall be
conducted in such manner as not to interfere unreasonably with the conduct of
the business of the other party. Unless otherwise required by law, each of
Company and Parent will hold, and will cause its respective officers,
employees, counsel, financial advisors, auditors and other authorized
representatives to hold, any nonpublic information obtained in any such
investigation in confidence in accordance with the Confidentiality Agreement.
No information or knowledge obtained in any investigation pursuant to this
Section shall affect or be deemed to modify any representation or warranty made
by any party hereunder.

     SECTION 7.06. Notices of Certain Events. Each of the Company and Parent
shall promptly notify the other of:

     (a) any notice or other communication from any Person alleging that the
consent of such Person is or may be required in connection with the
transactions contemplated by this Agreement;

     (b) any notice or other communication from any governmental or regulatory
agency or authority in connection with the transactions contemplated by this
Agreement; and

     (c) any actions, suits, claims, investigations or proceedings commenced
or, to its knowledge, threatened against, relating to or involving or otherwise
affecting the Company or any of its Subsidiaries that, if pending on the date
of this Agreement, would have been required to have been disclosed pursuant to
Section 3.11, 3.12, 3.13, 3.16, 3.18, 3.19, 3.20, 3.21, 3.22, 3.23, 4.11, 4.12,
4.13, or 4.16, as the case may be, or that relate to the consummation of the
transactions contemplated by this Agreement.

     SECTION 7.07. Tax-free Reorganization. (a) Prior to the Effective Time,
each party shall use its best efforts to cause the Merger to qualify as a
368(a) Reorganization, and will not take any action, or fail to take any
action, reasonably likely to cause the Merger not so to qualify. Parent shall
not take, or cause the Company to take, any action after the Effective Time
reasonably likely to cause the Merger not to qualify as a 368(a)
Reorganization.

     (b) Each party shall use its reasonable best efforts to obtain the
opinions referred to in Sections 8.02(f) and 8.03(b).

     SECTION 7.08. Affiliates. Within 30 days following the date of this
Agreement, the Company shall deliver to Parent a letter identifying all known
Persons who may be deemed affiliates of the Company under Rule 145 of the 1933
Act. The Company shall use its reasonable efforts to obtain a written


                                      38

<PAGE>


agreement from each Person who may be so deemed as soon as practicable and, in
any event, prior to the Effective Time, substantially in the form of Exhibit C
hereto.

                                   ARTICLE 8
                            CONDITIONS TO THE MERGER

     SECTION 8.01. Conditions to Obligations of Each Party. The obligations of
the Company and Parent to consummate the Merger are subject to the satisfaction
of the following conditions:

     (a) this Agreement shall have been approved and adopted by the
stockholders of the Company in accordance with California Law;

     (b) any applicable waiting period under the HSR Act relating to the Merger
shall have expired or been terminated;

     (c) no provision of any applicable law or regulation and no judgment,
injunction, order or decree shall prohibit the consummation of the Merger;

     (d) the Registration Statement shall have been declared effective and no
stop order suspending the effectiveness of the Registration Statement shall be
in effect and no proceedings for such purpose shall be pending before or
threatened by the SEC;

     (e) the shares of Parent Stock to be issued in the Merger shall have been
approved for listing on the Nasdaq National Market; and

     (f) all actions by or in respect of, or filings with, any governmental
body, agency, official or authority, domestic, foreign or supranational,
required to permit the consummation of the Merger shall have been taken, made
or obtained.

     SECTION 8.02. Conditions to the Obligations of Parent. The obligations of
Parent to consummate the Merger are subject to the satisfaction of the
following further conditions:

     (a) (i) the Company shall have performed in all material respects all of
its obligations hereunder required to be performed by it at or prior to the
Effective Time, (ii) the representations and warranties of the Company
contained in this Agreement and in any certificate or other writing delivered
by the Company pursuant hereto shall be true in all material respects at and as
of the Effective Time as if made at and as of such time and (iii) Parent shall
have received a


                                      39

<PAGE>


certificate signed by the chief executive officer of the Company to the
foregoing effect;

     (b) no court, arbitrator or governmental body, agency or official,
domestic or foreign, shall have issued any order, and there shall not be any
statute, rule or regulation, restraining or prohibiting the consummation of the
Merger or the effective operation of the business of Parent and its
Subsidiaries or the Company and its Subsidiaries after the Effective Time;

     (c) there shall not have been instituted or pending any action or
proceeding (or any investigation or other inquiry that would reasonably be
expected to result in such action or proceeding) by any government or
governmental authority or agency, domestic, foreign or supranational, or by any
other Person, domestic, foreign or supranational, before any court or
governmental authority or agency, domestic, foreign or supranational, (i)
challenging or seeking to make illegal, to delay materially or otherwise
directly or indirectly to restrain or prohibit the consummation of the Merger,
seeking to obtain material damages or otherwise directly or indirectly relating
to the transactions contemplated by the Merger, (ii) seeking to restrain or
prohibit Parent's ownership or operation (or that of its respective
Subsidiaries or Affiliates) of all or any material portion of the business or
assets of the Company and its Subsidiaries, taken as a whole, or of Parent and
its Subsidiaries, taken as a whole, or to compel Parent or any of its
Subsidiaries or Affiliates to dispose of or hold separate all or any material
portion of the business or assets of the Company and its Subsidiaries, taken as
a whole, or of Parent and its Subsidiaries, taken as a whole or (iii) that
otherwise, in the judgment of Parent, is likely to have a Material Adverse
Effect on the Company or Parent;

     (d) there shall not have been any action taken, or any statute, rule,
regulation, injunction, order or decree proposed, enacted, enforced,
promulgated, issued or deemed applicable to the Merger, by any court,
government or governmental authority or agency, domestic, foreign or
supranational, other than the application of the waiting period provisions of
the HSR Act to the Merger, that, in the judgment of Parent, is likely, directly
or indirectly, to result in any of the consequences referred to in clauses (i)
through (iii) of paragraph (c) above;

     (e) Dissenting Shares shall not exceed 5% of the Company Stock outstanding
immediately prior to the Effective Time;

     (f) Parent shall have received an opinion of Davis Polk & Wardwell
substantially in the form of Exhibit D hereto, on the basis of certain facts,
representations and assumptions set forth in such opinion, dated the Effective
Time, to the effect that the Merger will be treated for federal income tax
purposes as a reorganization qualifying under the provision of Section 368(a)
of the Code and that each of Parent, Merger Subsidiary and the Company will be
a party to the


                                      40

<PAGE>


reorganization within the meaning of Section 368(b) of the Code. In rendering
such opinion, such counsel shall be entitled to rely upon representations of
officers of Parent and the Company substantially in the form of Exhibits E and
F hereto; and

     (g) the Company shall have delivered a comfort letter on the effective
date of the Registration Statement, and a bring-down comfort letter immediately
prior to the Effective Time, in form and substance satisfactory to Parent, from
its independent public accountants, with respect to the financial statements
and certain financial information contained in or incorporated by reference
into the Registration Statement; provided, however, that Parent, shall, as a
condition precedent to receiving such comfort letter, furnish the Company's
independent public accountants with such information and representations as
reasonably necessary for such independent public accountants to render the
comfort letter to Parent.

     SECTION 8.03. Conditions to the Obligations of the Company. The
obligations of the Company to consummate the Merger are subject to the
satisfaction of the following further conditions:

     (a) Parent shall have performed in all material respects all of its
obligations hereunder required to be performed by it at or prior to the
Effective Time, the representations and warranties of Parent contained in this
Agreement and in any certificate or other writing delivered by Parent pursuant
hereto shall be true in all material respects at and as of the Effective Time
as if made at and as of such time and the Company shall have received a
certificate signed by the chief executive officer of Parent to the foregoing
effect; and

     (b) the Company shall have received an opinion of Kirkpatrick & Lockhart
LLP substantially in the form of Exhibit G hereto, on the basis of certain
facts, representations and assumptions set forth in such opinion, dated the
Effective Time, to the effect that the Merger will be treated for federal
income tax purposes as a reorganization qualifying under the provisions of
Section 368(a) of the Code and that each of Parent, Merger Subsidiary and the
Company will be a party to the reorganization within the meaning of Section
368(b) of the Code. In rendering such opinion, such counsel shall be entitled
to rely upon representations of officers of Parent and the Company
substantially in the form of Exhibit E and F hereto.


                                      41

<PAGE>


                                   ARTICLE 9
                                  TERMINATION

     SECTION 9.01. Termination. This Agreement may be terminated and the Merger
may be abandoned at any time prior to the Effective Time (notwithstanding any
approval of this Agreement by the stockholders of the Company):

     (a) by mutual written agreement of the Company and Parent;

     (b) by either the Company or Parent, if:

          (i) the Merger has not been consummated on or before June 30, 2000,
     provided that the right to terminate this Agreement pursuant to this
     Section 9.01(b)(i) shall not be available to any party whose breach of any
     provision of this Agreement results in the failure of the Merger to be
     consummated by such time;

          (ii) there shall be any law or regulation that makes consummation of
     the Merger illegal or otherwise prohibited or any judgment, injunction,
     order or decree of any court or governmental body having competent
     jurisdiction enjoining Company or Parent from consummating the Merger is
     entered and such judgment, injunction, judgment or order shall have become
     final and nonappealable; or

          (iii) this Agreement shall not have been approved and adopted in
     accordance with California Law by the Company's stockholders at the
     Company Stockholder Meeting (or any adjournment thereof).

     (c) by Parent, if the Board of Directors of the Company shall have failed
to make or withdraw, or modified in a manner adverse to Parent, its approval or
recommendation of this Agreement or the Merger, or shall have failed to call
the Company Stockholder Meeting in accordance with Section 5.02.

     (d) by Parent, if (i) a breach of or failure to perform any
representation, warranty, covenant or agreement on the part of the Company set
forth in this Agreement shall have occurred that would cause the condition set
forth in Section 8.02(a) not to be satisfied, and either such condition is
incapable of being satisfied by June 30, 2000 or the Company has failed to cure
such breach within 20 business days after notice by Parent thereon or (ii) the
Company shall have willfully and materially breached its obligations under
Sections 5.02 or 5.03; or

     (e) by the Company, if a breach of or failure to perform any
representation, warranty, covenant or agreement on the part of the Parent set
forth in this Agreement shall have occurred that would cause the condition set
forth in


                                      42

<PAGE>


Section 8.03(a) not to be satisfied, and such condition is incapable of being
satisfied by June 30, 2000 or Parent has failed to cure such breach within 20
Business Days after notice by the Company thereof.

The party desiring to terminate this Agreement pursuant to this Section 9.01
(other than pursuant to Section 9.01(a)) shall give notice of such termination
to the other party.

     SECTION 9.02. Effect of Termination. If this Agreement is terminated
pursuant to Section 9.01, this Agreement shall become void and of no effect
without liability of any party (or any stockholder, director, officer,
employee, agent, consultant or representative of such party) to the other party
hereto, provided that, if such termination shall result from the willful (a)
failure of either party to fulfill a condition to the performance of the
obligations of the other party or (b) failure of either party to perform a
covenant hereof, such party shall be fully liable for any and all liabilities
and damages incurred or suffered by the other party as a result of such
failure. The provisions of Section 7.03 and Article 11 shall survive any
termination hereof pursuant to Section 9.01.

                                   ARTICLE 10
                                  DEFINITIONS

     SECTION 10.01. Definitions. (a) The following terms, as used herein, have
the following meanings:

     "Acquisition Proposal" means, other than the transactions contemplated by
this Agreement, any offer or proposal for, any indication of interest in, or
any submission of inquiries from any Third Party relating to (a) any
acquisition or purchase, direct or indirect, of 20% or more of the consolidated
assets of the Company or over 20% of any class of equity or voting securities
of the Company, (b) any tender offer (including a self-tender offer) or
exchange offer that, if consummated, would result in such Third Party's
beneficially owning 20% or more of any class of equity or voting securities of
the Company, (c) a merger, consolidation, share exchange, business combination,
sale of substantially all the assets, reorganization, recapitalization,
liquidation, dissolution or other similar transaction involving the Company, or
(d) any other transaction the consummation of which could reasonably be
expected to impede, interfere with, prevent or materially delay the Merger or
that could reasonably be expected to dilute materially the benefits to Parent
of the transactions contemplated hereby.

     "Affiliate" means, with respect to any Person, any other Person directly
or indirectly controlling, controlled by, or under common control with such
Person.


                                      43

<PAGE>


     "Business Day" means a day, other than Saturday, Sunday or other day on
which commercial banks in Los Angeles or San Francisco, California or New York,
New York are authorized or required by law to close.

     "California Law" means the California General Corporation Law.

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

     "Company Balance Sheet" means the balance sheet of the Company as of
December 31, 1999 and the footnotes thereto, included in Exhibit H hereto.

     "Company Balance Sheet Date" means December 31, 1999.

     "Company Stock" means the common stock, no par value, of the Company.

     "Delaware Law" means the General Corporation Law of the State of Delaware.

     "Employee Plan" means (a) any "employee benefit plan", as defined in
Section 3(3) of ERISA, that (i) is subject to any provision of ERISA, (ii) is
maintained, administered or contributed to by the Company or any of its
Affiliates and (iii) covers any employee or former employee of the Company or
any Subsidiary and (b) any employment, severance or similar contract or
arrangement (whether or not written) providing for compensation, bonus,
profit-sharing, stock option, or other stock-related rights or other forms of
incentive or deferred compensation, vacation benefits, insurance coverage
(including any self-insured arrangements), health or medical benefits,
disability benefits, worker's compensation, supplemental unemployment benefits,
severance benefits and post-employment or retirement benefits (including
compensation, pension, health, medical or life insurance or other benefits)
that (i) is entered into, maintained, administered or contributed to, as the
case may be, by the Company or any of its Affiliates and (ii) covers any
employee or former employee of the Company or any Subsidiary.

     "Environmental Laws" means any federal, state, local or foreign law
(including, without limitation, common law), treaty, judicial decision,
regulation, rule, judgment, order, decree, injunction, permit or governmental
restriction or requirement or any agreement with any governmental authority or
other third party, relating to human health and safety, the environment or to
pollutants, contaminants, wastes or chemicals or any toxic, radioactive,
ignitable, corrosive, reactive or otherwise hazardous substances, wastes or
materials.


                                      44

<PAGE>


     "Environmental Permits" means all permits, licenses, franchises,
certificates, approvals and other similar authorizations of governmental
authorities relating to or required by Environmental Laws and affecting, or
relating in any way to, the business of the Company or any Subsidiary as
currently conducted.

     "ERISA" means the Employee Retirement Income Security Act of 1974.

     "ERISA Affiliate" of any entity means any other entity that, together with
such entity, would be treated as a single employer under Section 414 of the
Code.

     "Governmental Authority" means any United States federal, state, local,
foreign or other governmental, administrative or regulatory authority, body,
agency, court, tribunal or similar entity.

     "HSR Act" means the Hart-Scott-Rodino Antitrust Improvements Act of 1976.

     "Lien" means, with respect to any property or asset, any mortgage, lien,
pledge, charge, security interest, encumbrance or other adverse claim of any
kind in respect of such property or asset. For purposes of this Agreement, a
Person shall be deemed to own subject to a Lien any property or asset that it
has acquired or holds subject to the interest of a vendor or lessor under any
conditional sale agreement, capital lease or other title retention agreement
relating to such property or asset.

     "Material Adverse Effect" means, with respect to any Person, any change or
effect that has had or is likely to have, individually or in the aggregate with
other changes or effects, a material adverse effect on the condition (financial
or otherwise), business, technology, assets or results of operations of such
Person and its Subsidiaries, taken as a whole.

     "1933 Act" means the Securities Act of 1933.

     "1934 Act" means the Securities Exchange Act of 1934.

     "Parent Balance Sheet" means the consolidated balance sheet of Parent as
of December 31, 1999 and the footnotes thereto set forth in the Parent Form
10-Q.

     "Parent Balance Sheet Date" means December 31, 1999.

     "Parent Stock" means the common stock, $0.001 par value, of Parent.


                                      45

<PAGE>


     "Person" means an individual, corporation, partnership, limited liability
company, association, trust or other entity or organization, including a
government or political subdivision or an agency or instrumentality thereof.

     "SEC" means the Securities and Exchange Commission.

     "Subsidiary" means, with respect to any Person, any entity of which
securities or other ownership interests having ordinary voting power to elect a
majority of the board of directors or other persons performing similar
functions are at any time directly or indirectly owned by such Person.

     "Third Party" means any Person as defined in Section 13(d) of the 1934
Act, other than Parent or any of its Affiliates.

     Any reference in this Agreement to a statute shall be to such statute, as
amended from time to time, and to the rules and regulations promulgated
thereunder.

     (b) Each of the following terms is defined in the Section set forth
opposite such term:

         Term                                        Section
         ----                                        -------
         Adjusted Option.............................  1.04
         Certificates................................  1.03
         Company Proxy Statement.....................  3.09
         Company SEC Documents.......................  3.07
         Company Securities..........................  3.05
         Company Stockholder Meeting.................  5.02
         Company Stock Option........................  1.04
         Company Subsidiary Securities...............  3.06
         Confidentiality Agreement...................  5.03
         Effective Time..............................  1.01
         Exchange Agent..............................  1.03
         GAAP........................................  3.08
         Indemnified Person..........................  6.03
         Merger......................................  1.01
         Merger Consideration........................  1.02
         Parent Form S-1.............................  4.07
         Payment Event............................... 11.04
         Registration Statement......................  4.09
         Superior Proposal...........................  5.03
         Surviving Corporation.......................  1.01
         Tax Return..................................  3.16
         Taxes.......................................  3.16


                                      46

<PAGE>


         Term                                        Section
         ----                                        -------
         Taxing Authority............................  3.16
         368(a) Reorganization.......................  3.24


                                   ARTICLE 11
                                 MISCELLANEOUS

     SECTION 11.01. Notices. All notices, requests and other communications to
any party hereunder shall be in writing (including facsimile transmission) and
shall be given,

     if to Parent or Merger Subsidiary, to:

          Quintus Corporation
          47212 Mission Falls Court
          Fremont, CA 94539
          Attention: Susan Salvesen
          Fax: (510) 624-2895

          with a copy to:

          Davis Polk & Wardwell
          1600 El Camino Real
          Menlo Park, CA 94025
          Attention:  David W. Ferguson
          Fax: (650) 752-2111

          if to the Company, to:

          Mustang.com, Inc.
          6200 Lake Ming Road
          Bakersfield, CA 93306
          Attention: James A. Harrer
          Fax: (661) 873-2457

          with a copy to:

          Kirkpatrick & Lockhart LLP
          9100 Wilshire Boulevard
          Beverly Hills, CA 90212
          Attention: Mark A. Klein
          Fax: (310) 274-8357


                                      47

<PAGE>


or such other address or facsimile number as such party may hereafter specify
for the purpose by notice to the other parties hereto. All such notices,
requests and other communications shall be deemed received on the date of
receipt by the recipient thereof if received prior to 5 p.m., and such day is a
Business Day, in the place of receipt. Otherwise, any such notice, request or
communication shall be deemed not to have been received until the next
succeeding Business Day in the place of receipt.

     SECTION 11.02. Survival of Representations and Warranties. The
representations and warranties and agreements contained herein and in any
certificate or other writing delivered pursuant hereto shall not survive the
Effective Time or the termination of this Agreement, except for the agreements
set forth in Sections 1.04(d), 6.03, 6.06, 6.07, 8.02, 11.04, 11.06, 11.07 and
11.08.

     SECTION 11.03. Amendments; No Waivers. (a) Any provision of this Agreement
may be amended or waived prior to the Effective Time if, but only if, such
amendment or waiver is in writing and is signed, in the case of an amendment,
by each party to this Agreement or, in the case of a waiver, by each party
against whom the waiver is to be effective, provided that, after the adoption
of this Agreement by the stockholders of the Company and without their further
approval, no such amendment or waiver shall reduce the amount or change the
kind of consideration to be received in exchange for any shares of capital
stock of the Company.

     (b) No failure or delay by either party in exercising any right, power or
privilege hereunder shall operate as a waiver thereof nor shall any single or
partial exercise thereof preclude any other or further exercise thereof or the
exercise of any other right, power or privilege. The rights and remedies herein
provided shall be cumulative and not exclusive of any rights or remedies
provided by law.

     SECTION 11.04. Expenses. (a) Except as otherwise provided in this Section,
all costs and expenses incurred in connection with this Agreement shall be paid
by the party incurring such cost or expense.

     (b) If a Payment Event (as hereinafter defined) occurs, the Company shall
(i) pay Parent (by wire transfer of immediately available funds), a fee of
$5,000,000 (the "Breakup Fee") and (ii) reimburse Parent and its Affiliates (by
wire transfer of immediately available funds) for 100% of their documented out-
of-pocket fees and expenses (including reasonable fees and expenses of their
counsel) up to $2,500,000 actually incurred by any of them in connection with
this Agreement and the transactions contemplated hereby (the "Expense
Reimbursement"). The Breakup Fee shall be payable simultaneously with the
occurrence of a Payment Event (if a Payment Event specified in clause (a) below
occurs) or, within two Business Days following such Payment Event (if a Payment


                                      48

<PAGE>


Event specified in clauses (b) or (c) below occur). The Expense Reimbursement
shall be payable within two Business Days following a Payment Event.

     "Payment Event" means (a) the termination of this Agreement pursuant to
Section 9.01(d)(ii), or (b) if the Board of Directors of the Company shall have
failed to make or withdrawn, or modified in a manner adverse to Parent, its
approval or recommendation of this Agreement or the Merger, or shall have
failed to call the Company Stockholder Meeting in accordance with Section 5.02,
or (c) the occurrence of any of the following events within 12 months of the
termination of this Agreement pursuant to Sections 9.01(b)(i) or (b)(iii): (i)
the Company merges with or into, or is acquired, directly or indirectly, by
merger or otherwise by, a Third Party; (ii) a Third Party, directly or
indirectly, acquires more than 50% of the total assets of the Company and its
Subsidiaries, taken as a whole; (iii) a Third Party, directly or indirectly,
acquires more than 50% of the outstanding shares of Company Stock; or (iv) the
Company adopts or implements a plan of liquidation, recapitalization or share
repurchase relating to more than 50% of the outstanding shares of Company Stock
or an extraordinary dividend relating to more than 50% of such outstanding
shares or 50% of the assets of the Company and its Subsidiaries, taken as a
whole.

     (c) The fees of the Company's counsel, accountants, and any of its
representatives in connection with this Agreement and the transactions
contemplated hereby shall not, without the express written consent of Parent
(which consent shall not be unreasonably withheld), exceed $1,000,000.

     (d) The Company acknowledges that the agreements contained in this Section
11.04 are an integral part of the transactions contemplated by this Agreement
and that, without these agreements, Parent and Merger Subsidiary would not
enter into this Agreement. Accordingly, if the Company fails promptly to pay
any amount due to Parent pursuant to this Section 11.04, it shall also pay any
costs and expenses incurred by Parent or Merger Subsidiary in connection with a
legal action to enforce this Agreement that results in a judgment against the
Company for such amount.

     SECTION 11.05. Successors and Assigns. The provisions of this Agreement
shall be binding upon and inure to the benefit of the parties hereto and their
respective successors and assigns, provided that no party may assign, delegate
or otherwise transfer any of its rights or obligations under this Agreement
without the consent of each other party hereto, except that Parent or Merger
Subsidiary may transfer or assign, in whole or from time to time in part, to
one or more of their Affiliates, the right to enter into the transactions
contemplated by this Agreement, but any such transfer or assignment will not
relieve Parent or Merger Subsidiary of its obligations hereunder.


                                      49

<PAGE>


     SECTION 11.06. Governing Law. This Agreement shall be governed by and
construed in accordance with the laws of the State of Delaware, without regard
to the conflicts of law rules of such state.

     SECTION 11.07. Jurisdiction. Any suit, action or proceeding seeking to
enforce any provision of, or based on any matter arising out of or in
connection with, this Agreement or the transactions contemplated hereby may be
brought in any federal court located in the State of California or any
California state court, and each of the parties hereby consents to the
non-exclusive jurisdiction of such courts (and of the appropriate appellate
courts therefrom) in any such suit, action or proceeding and irrevocably
waives, to the fullest extent permitted by law, any objection that it may now
or hereafter have to the laying of the venue of any such suit, action or
proceeding in any such court or that any such suit, action or proceeding
brought in any such court has been brought in an inconvenient form. Process in
any such suit, action or proceeding may be served on any party anywhere in the
world, whether within or without the jurisdiction of any such court. Without
limiting the foregoing, each party agrees that service of process on such party
as provided in Section 11.01 shall be deemed effective service of process on
such party.

     SECTION 11.08. WAIVER OF JURY TRIAL. EACH OF THE PARTIES HERETO HEREBY
IRREVOCABLY WAIVES ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING
ARISING OUT OF OR RELATED TO THIS AGREEMENT OR THE TRANSACTIONS CONTEMPLATED
HEREBY.

     SECTION 11.09. Counterparts; Effectiveness. This Agreement may be signed
in any number of counterparts, each of which shall be an original, with the
same effect as if the signatures thereto and hereto were upon the same
instrument. This Agreement shall become effective when each party hereto shall
have received counterparts hereof signed by the other party hereto. Except as
provided in Section 7.04, no provision of this Agreement is intended to confer
any rights, benefits, remedies, obligations or liabilities hereunder upon any
Person other than the parties hereto and their respective successors and
assigns.

     SECTION 11.10. Entire Agreement. This Agreement and the Confidentiality
Agreement constitutes the entire agreement between the parties with respect to
the subject matter of this Agreement and supersede all prior agreements and
understandings, both oral and written, between the parties with respect to the
subject matter of this Agreement.

     SECTION 11.11. Captions. The captions herein are included for convenience
of reference only and shall be ignored in the construction or interpretation
hereof.


                                      50

<PAGE>


     SECTION 11.12. Severability. If any term, provision, covenant or
restriction of this Agreement is held by a court of competent jurisdiction or
other authority to be invalid, void or unenforceable, the remainder of the
terms, provisions, covenants and restrictions of this Agreement shall remain in
full force and effect and shall in no way be affected, impaired or invalidated.
Upon such a determination, the parties shall negotiate in good faith to modify
this Agreement so as to effect the original intent of the parties as closely as
possible in an acceptable manner so that the transactions contemplated hereby
be consummated as originally contemplated to the fullest extent possible.

     SECTION 11.13. Specific Performance. The parties hereto agree that
irreparable damage would occur if any provision of this Agreement were not
performed in accordance with the terms hereof and that the parties shall be
entitled to an injunction or injunctions to prevent breaches of this Agreement
or to enforce specifically the performance of the terms and provisions hereof
in any federal court located in the State of California or any California state
court, in addition to any other remedy to which they are entitled at law or in
equity.


                                      51

<PAGE>


     IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed by their respective authorized officers as of the day and year
first above written.

                                    MUSTANG.COM, INC.



                                    By: /S/ James A. Harrer
                                       ----------------------------
                                       Name:  James A. Harrer
                                       Title: President and Chief Executive
                                              Officer


                                    QUINTUS CORPORATION



                                    By: /s/ Alan K. Anderson
                                       ----------------------------
                                       Name:  Alan K. Anderson
                                       Title: Chairman and Chief Executive
                                              Officer


                                      52

<PAGE>


                                                                      EXHIBIT A

                           FORM OF LOCK-UP AGREEMENT

QUINTUS CORPORATION
47212 Mission Falls Court
Fremont, CA 94539

Ladies and Gentlemen:

     Pursuant to the terms of an Agreement and Plan of Merger dated as of
February 25, 2000 (the "Agreement") between QUINTUS CORPORATION, a Delaware
corporation ("Parent") and MUSTANG.COM, INC., a California corporation (the
"Company"), the undersigned will receive shares of common stock, $0.001 par
value per share, of Parent (the "Shares"), in exchange for shares of common
stock of the Company owned by the undersigned.

     In order to induce Parent to enter into the Agreement, the undersigned
hereby agrees as follows:

     1. Prior to May 15, 2000, the undersigned will not (i) offer, pledge,
sell, contract to sell, sell any option or contract to purchase, purchase any
option or contract to sell, grant any option, right or warrant to purchase, or
otherwise transfer or dispose of, directly or indirectly, any Shares or any
securities convertible into or exercisable or exchangeable for Shares, (ii)
enter into any swap or other arrangement that transfers all or a portion of the
economic consequences associated with the ownership of any Shares (regardless
of whether any of the transactions described in clause (i) or (ii) is to be
settled by the delivery of Shares, or such other securities, in cash or
otherwise).

     2. The undersigned acknowledges that the Parent may impose stock transfer
restrictions on the Shares to enforce the provisions of this Agreement.

                                               Very truly yours,


                                               By:________________________
                                                  Name:
                                                  Title:
AGREED TO:
QUINTUS CORPORATION

By:_______________________
   Name:
   Title:

<PAGE>


                                                                      EXHIBIT B

                         FORM OF NON-COMPETE AGREEMENT

     This Agreement is dated as of o, 2000, and is between [James Harrer] [C.
Scott Hunter] (the "Stockholder") and QUINTUS CORPORATION, a Delaware
corporation ("Quintus Corporation").

     A. The Stockholder is a stockholder of MUSTANG.COM, INC., a California
corporation (the "Company").

     B. The Stockholder is the [Chief Executive Officer] [Vice President] of
the Company.

     C. Mustang.com, Inc. is a provider of electronic customer relationship
management solutions that enables companies to manage customer interactions,
such as customer orders, inquiries and service requests (such activities being
referred to herein as the "Business Activities").

     D. Quintus Corporation proposes to purchase from the Stockholder and the
other stockholders of the Company under an Agreement and Plan of Merger dated
as of February 25, 2000 (the "Merger Agreement"), all of the issued and
outstanding shares of capital stock of the Company.

     E. In light of the Stockholder's ownership of outstanding shares of
capital stock of the Company, his position with the Company and his
contributions in the past to the growth and development of the Company and its
affiliates, one of the conditions to the consummation by Quintus Corporation of
the transactions contemplated by the Merger Agreement is that the Stockholder
enter into this Agreement for the purpose of preserving for Quintus
Corporation's benefit the goodwill, proprietary rights and going concern value
of the Company and its affiliates, and to protect Quintus Corporation's and the
Company's business opportunities. Quintus Corporation considers this Agreement
integral to the transactions contemplated by the Merger Agreement, and would
not consummate such transactions without the Stockholder's execution of this
Agreement.

     NOW, THEREFORE, for the purposes of inducing Quintus Corporation to
consummate the transactions contemplated in the Merger Agreement and to
preserve the goodwill, proprietary rights and going concern value of the
Company, and to protect Quintus Corporation's and the Company's business
opportunities, the parties agree as follows:

     1. The Stockholder acknowledges that the trade secrets, private or secret
processes as they exist from time to time, and confidential information
concerning products, developments, manufacturing techniques, new product

<PAGE>


plans, equipment, inventions, discoveries, patent applications, ideas, designs,
engineering drawings, sketches, renderings, other drawings, manufacturing and
test data, computer programs, progress reports, materials, costs,
specifications, processes, methods, research, procurement and sales activities
and procedures, promotion and pricing techniques and credit and financial data
concerning customers or suppliers of the Company and its affiliates, as well as
information relating to the management, operation or planning of the Company
and its affiliates (the "Proprietary Information") are valuable, special and
unique assets of the Company and its affiliates, access to and knowledge of
which have been gained by virtue of the Stockholder's position and involvement
with the Company. In light of the highly competitive nature of the industries
in which the Company and its affiliates conduct their businesses, the
Stockholder agrees that all Proprietary Information shall be considered
confidential. In recognition of this fact, the Stockholder agrees that he will
not, during and after the term of this Agreement, disclose any of such
Proprietary Information to any person or entity for any reason or purpose
whatsoever, and he will not make use of any Proprietary Information for his own
purposes or for the benefit of any person or entity (except the Company and its
affiliates) under any circumstances.

     This Section 1 does not apply to any invention that qualifies fully under
the provisions of California Labor Code Section 2870, which is restated on
attached Appendix A. I will disclose anything I believe is excluded by Section
2870 so that the Company can make an independent assessment.

     2. In order further to protect the confidentiality of the Proprietary
Information and in recognition of the highly competitive nature of the
industries in which the Company and its affiliates conduct their businesses,
and to protect Quintus Corporation's and the Company's business opportunities,
the Stockholder further agrees as follows:

          (a) The Stockholder will not, during and for the period commencing
     with the date hereof and ending on the date that is [James Harrer - 2
     years] [C. Scott Hunter - 1 year] after such date, directly or indirectly
     engage in any Business Activities whether such engagement is as an
     officer, director, proprietor, employee, partner, investor (other than as
     a holder of less than 2% of the outstanding capital stock of a publicly
     traded corporation), consultant, advisor, agent or otherwise on behalf of
     Kana Communications, Silknet Software Inc., eGain Communications Corp. or
     any other company or division of a company engaged in any Business
     Activities (other than the Company or its affiliates), or any affiliate or
     successor thereof.

          (b) The Stockholder will not, during and for the period commencing
     with the date hereof and ending on the date that is [James Harrer - 2
     years] [C. Scott Hunter - 1 year] after such date, directly or

                                      B-2

<PAGE>


     indirectly engage in any Business Activities (other than on behalf of the
     Company or its affiliates) by providing services or supplying products to
     any customer with whom the Company or its subsidiaries have done any
     business, whether as an officer, director, proprietor, employee, partner,
     investor (other than as a holder of less than 2% of the outstanding
     capital stock of a publicly traded corporation), consultant, advisor,
     agent or otherwise.

          (c) The Stockholder will not, during and for the period commencing
     with the date hereof and ending on the date that is [James Harrer - 2
     years] [C. Scott Hunter - 1 year] after such date, directly or indirectly
     assist others in engaging in any of the Business Activities that are
     prohibited to the Stockholder.

          (d) The Stockholder will not, during and for the period commencing
     with the date hereof and ending on the date that is [James Harrer - 2
     years] [C. Scott Hunter - 1 year] after such date, directly or indirectly
     induce or attempt to induce employees of the Company, Quintus Corporation
     or any of their affiliates to engage in any activities hereby prohibited
     to the Stockholder or to terminate their employment.

It is expressly understood and agreed that although the Stockholder and Quintus
Corporation consider the restrictions contained in each of subsections 2(a)
through (d) above to be reasonable for the purpose of preserving the goodwill,
proprietary rights and going concern value of the Company and its affiliates,
and to protect Quintus Corporation's and the Company's business opportunities,
if a final judicial determination is made by a court of competent jurisdiction
that the time or territory or any other restriction contained in Section 1 or
this Section 2 is an unenforceable restriction on the activities of the
Stockholder, the provisions of Section 1 or this Section 2 shall not be
rendered void but shall be deemed amended to apply as to such maximum time and
territory and to such other extent as such court may judicially determine or
indicate to be reasonable. Alternatively, if the court referred to above finds
that any restriction contained in Section 1 or this Section 2 or any remedy
provided in Section 3 of this Agreement is unenforceable, and such restriction
or remedy cannot be amended so as to make it enforceable, such finding shall
not affect the enforceability of any of the other restrictions contained
therein or the availability of any other remedy. The provisions of Section 1 or
this Section 2 shall in no respect limit or otherwise affect the obligations of
the Stockholder under other agreements with Quintus Corporation or the Company.

     3. The Stockholder acknowledges and agrees that Quintus Corporation's
remedy at law for a breach or threatened breach of any of the provisions of
Sections 1 or 2 of this Agreement would be inadequate that in the event of such
breach or threatened breach injunctive relief would be appropriate.

                                      B-3

<PAGE>


It is understood and agreed that the existence of such breach or threatened
breach shall be determined by a court of competent jurisdiction and nothing
contained herein shall be deemed an admission by the Stockholder that such
breach or threatened breach has occurred. Nothing herein contained shall be
construed as prohibiting Quintus Corporation from pursuing, in addition, any
other remedies available to it for any such breach or threatened breach. The
waiver by Quintus Corporation of a breach of any provision of this Agreement by
the Stockholder shall not operate or be construed as a waiver of a breach of
any other provision of this Agreement or of any subsequent breach by the
Stockholder.

     4. This Agreement shall not be assignable by either party except by the
Company to any subsidiary or affiliate of Quintus Corporation or the Company or
to any successor in interest to the Company's or Quintus Corporation's
business.

     5. This Agreement shall be governed by and construed in accordance with
the laws of the State of California without regard to the principles of
conflict of law.

     6. The provisions of this Agreement are for the benefit of Quintus
Corporation and the Company, and may be enforced by either of such corporations
or their assignees as permitted by Section 4.

     7. Any notice required or permitted to be given under this Agreement shall
be deemed properly given if in writing and delivered by hand and receipt is
acknowledged by the party to whom said notice shall be directed, or if mailed
by certified or registered mail with postage prepaid with return receipt
requested, or sent by express courier service, charges prepaid by shipper,
addressed as follows (or to such other address as a party is directed pursuant
to written notice from the other party):

               (a) If to Quintus Corporation to:
                                              47212 Mission Falls Court
                                              Fremont, CA 94539
                                              Attention:  Susan Salvesen
                                              Fax: (510) 770-1377

               (b) If to the Stockholder to:       o

                                      B-4

<PAGE>


     IN WITNESS WHEREOF, the parties have executed this Agreement as of the
date first above written.

                                       QUINTUS CORPORATION


                                       By
                                         -----------------------------
                                         Name:
                                         Title:


                                       [STOCKHOLDER]


                                       By
                                         -----------------------------

                                      B-5

<PAGE>


                                   APPENDIX A


California Labor Code Section 2870. Application of provision providing that
employee shall assign or offer to assign rights to invention to employer.

A. Any provision in an employment agreement which provides that an employee
shall assign, or offer to assign, any of his or her rights in an invention to
his or her employer shall not apply to an invention that the employee developed
entirely on his or her own time without using the employer's equipment,
supplies, facilities, or trade secret information except for those inventions
that either:

1. Relate at the time of conception or reduction to practice of the invention
to the employer's business, or actual or demonstrably anticipated research or
development of the employer; or

2.  Result form any work performed by the employee for his employer.

B. To the extent a provision in an employment agreement purports to require an
employee to assign an invention otherwise excluded from being required to be
assigned under subdivision (a), the provision is against the public policy of
this state and is unenforceable.

                                      B-6

<PAGE>


                                                                      EXHIBIT C

                           FORM OF AFFILIATES LETTER

MUSTANG.COM, INC.

QUINTUS CORPORATION

Ladies and Gentlemen:

     The undersigned has been advised that, as of the date of this letter, the
undersigned may be deemed to be an "affiliate" of MUSTANG.COM, INC., a
California corporation (the "Company"), as the term "affiliate" is defined for
purposes of paragraphs (c) and (d) of Rule 145 of the rules and regulations
(the "Rules and Regulations") of the Securities and Exchange Commission (the
"SEC"), promulgated under the Securities Act of 1933, as amended (the "1933
Act"). Pursuant to the terms of the Agreement and Plan of Merger dated as of
February 25, 2000 (the "Merger Agreement") between the Company and QUINTUS
CORPORATION, a Delaware corporation ("Parent"), a wholly- owned subsidiary of
Parent will be merged with and into the Company, with the Company to be the
surviving corporation in the merger (the "Merger").

     The undersigned represents, warrants and covenants to the Company and
Parent that:

     A. The undersigned shall not make any sale, transfer or other disposition
of Company Common Shares in violation of the 1933 Act or the Rules and
Regulations.

     B. The undersigned has carefully read this letter and the Merger Agreement
and discussed, to the extent the undersigned felt necessary with the
undersigned's counsel or counsel for the Company, the requirements of such
documents and other applicable limitations upon the undersigned's ability to
sell, transfer or otherwise dispose of Company Common Shares.

     C. The undersigned has been advised that, at the time the Merger is
submitted for a vote of the stockholders of Company, the undersigned may be
deemed an affiliate of the Company.

     D. The undersigned further understands and agrees that the
representations, warranties, covenants and agreements of the undersigned set
forth herein are for the benefit of the Company, Parent and the Surviving
Corporation (as defined in the Merger Agreement) and will be relied upon by
such firms and their respective counsel and accountants.


<PAGE>


     E. The undersigned understands and agrees that this letter agreement shall
apply to all shares of the capital stock of the Company and Parent that are
deemed beneficially owned by the undersigned pursuant to applicable federal
securities laws.

     Execution of this letter should not be considered an admission on the part
of the undersigned that the undersigned is an "affiliate" of the Company as
described in the first paragraph of this letter, nor as a waiver of any rights
that the undersigned may have to object to any claim that the undersigned is
such an affiliate on or after the date of this letter.

                                            Very truly yours,



                                            By:
                                               ---------------------------------
                                            Name:


Accepted this __ day of
________________ by


By:
   --------------------------------
Name:
Title:

                                      C-2

<PAGE>


                                                                      EXHIBIT D

                              FORM OF TAX OPINION

                                                     [Date]

Quintus Corporation
[ address ]

Ladies and Gentlemen:

     We have acted as counsel for Quintus Corporation ("Parent"), a Delaware
corporation, in connection with the Merger (the "Merger"), as defined and
described in the Agreement and Plan of Merger dated as of February 25, 2000
(the "Merger Agreement") by and between Mustang.com, Inc. ("Company"), a
California corporation, and Parent. You have requested our opinion regarding
the United States federal income tax consequences of the Merger. Unless
otherwise indicated, each capitalized term used herein has the meaning ascribed
to it in the Merger Agreement.

     In connection with this opinion, we have examined the Merger Agreement,
the Registration Statement on Form S-4 related to the Merger, which includes
the Proxy Statement/Prospectus (the "Proxy Statement/Prospectus"), filed with
the Securities and Exchange Commission (the "Commission") on [ ], 2000, and
such other documents as we have deemed necessary or appropriate in order to
enable us to render our opinion. For purposes of this opinion, we have assumed
(i) the validity and accuracy of the documents that we have examined, (ii) that
the Merger will be consummated in the manner described in Merger Agreement and
the Proxy Statement/Prospectus, and (iii) that the representations made by
Parent (together with Merger Subsidiary) and Company pursuant to Sections
8.02(f) and 8.03(b), respectively, of the Merger Agreement are accurate and
complete. In rendering our opinion, we have considered the applicable
provisions of the Internal Revenue Code of 1986, as amended (the "Code"),
Treasury Department regulations promulgated thereunder, pertinent judicial
authorities, interpretive rulings of the IRS and such other authorities as we
have considered relevant. It should be noted that statutes, regulations,
judicial decisions and administrative interpretations are subject to change at
any time (possibly with retroactive effect). A change in the authorities or the
inaccuracy of any of the documents or assumptions on which our opinion is based
could affect our conclusions.

     Based upon the foregoing, in our opinion, the Merger will be treated for
United States federal income tax purposes as a reorganization within the
meaning


<PAGE>


of Section 368(a) of the Code, and Parent, Company and Merger Subsidiary will
each be a party to that reorganization within the meaning of Section 368(b) of
the Code. Other than as expressly set forth above, we express no opinion as to
the United States federal, state, local, foreign or other tax consequences of
the Merger.

     We are qualified to practice law in the State of New York, and we do not
purport to be experts on, or to express any opinion herein concerning, any laws
other than the laws of the State of New York and the laws of the United States.

                                                     Very truly yours,

                                                     /s/ Davis Polk & Wardwell

                                      D-2

<PAGE>


                                                                      EXHIBIT E

                         [MUSTANG.COM, INC LETTERHEAD]


                                                                       [Date]


Davis Polk & Wardwell
450 Lexington Avenue
New York, New York 10017

Kirkpatrick & Lockhart LLP
Henry W. Oliver Building
535 Smithfield Street
Pittsburgh, Pennsylvania 15222-2312

Ladies and Gentlemen:

     In connection with the opinions to be delivered pursuant to Sections
8.02(f) and 8.03(b) of the Agreement and Plan of Merger (the "Merger
Agreement")1, dated as of February 25, 2000, between Mustang.com, Inc., a
California corporation ("Company") and Quintus Corporation, a Delaware
corporation ("Parent"), the undersigned officer of Company hereby certifies and
represents as to Company that the facts relating to the merger (the "Merger")
of that certain California corporation and wholly-owned subsidiary of Parent
formed pursuant to Section 1.01 of the Merger Agreement ("Merger Subsidiary"),
with and into Company pursuant to the Merger Agreement, and as described in the
Proxy Statement/Prospectus dated 25, 2000 (the "Proxy Statement/Prospectus")
are true, correct and complete in all respects at the Effective Time and that:

     1. The consideration to be received in the Merger by holders of common
stock of Company ("Company Stock") was determined by arm's length negotiations
between the managements of Parent and Company. In connection with the Merger,
no holder of Company Stock will receive in exchange for such stock, directly or
indirectly, any consideration other than common stock of Parent ("Parent
Stock") and, in lieu of fractional shares of Parent Stock, cash, except that
holders of Company Stock timely exercising their dissenters' rights under
applicable laws will receive cash for their Company Stock.

- --------
     1 All defined terms used herein and not otherwise defined have the meaning
ascribed to them in the Merger Agreement.


<PAGE>


     2. The fair market value of the Parent Stock and cash in lieu of a
fractional share of Parent Stock received by each Company shareholder will be
approximately equal to the fair market value of the Company Stock surrendered
in exchange therefor.

     3. In the Merger, shares of Company Stock representing control of Company,
as defined in Section 368(c) of the Internal Revenue Code of 1986, as amended
(the "Code"), will be exchanged solely for voting stock of Parent. The payment
of cash in lieu of fractional shares of Parent Stock to holders of Company
Stock is solely for the purpose of avoiding the expense and inconvenience to
Parent of issuing fractional shares and does not represent separately bargained
for consideration. The total cash consideration that will be paid in the Merger
to the holders of Company Stock instead of issuing fractional shares of Parent
Stock will not exceed one percent of the total consideration that will be
issued in the Merger to the holders of Company Stock with respect to their
shares of Company Stock. Redemptions and any other dispositions of Company
Stock in exchange for cash originating with Parent will be taken into account
for purposes of this representation.

     4. Company has no plan or intention to issue additional shares of its
stock that would result in Parent losing control (within the meaning of Section
368(c) of the Code) of Company.

     5. In the Merger, to the best knowledge of the management of Company,
Merger Subsidiary will have no assets or liabilities at the Effective Time, and
therefore will have no liabilities assumed by Company and will not transfer to
Company any assets subject to liabilities.

     6. Immediately after the Merger, Company will hold at least 90% of the
fair market value of the net assets and at least 70% of the fair market value
of the gross assets held by Company immediately prior to the Merger. For
purposes of this representation, assets of Company held immediately prior to
the Merger include cash, if any, paid by Company to holders of Company Stock in
lieu of fractional shares or to holders pursuant to the exercise of dissenters'
rights under applicable laws, amounts paid or incurred by Company in connection
with the Merger, including amounts used to pay Company's reorganization
expenses and all payments, redemptions and distributions (except for regular,
normal dividends, if any) made in contemplation of or as part of the Merger.
The Company has not disposed of any of its assets (other than distributions of
cash either as regular, normal dividends or as a result of valid exercises of
dissenters' rights under applicable laws by holders of Company Stock) in
contemplation of or as part of the Merger.

     7. No assets of Company have been sold, transferred or otherwise disposed
of which would prevent Parent from continuing the historic business of Company

                                      E-2

<PAGE>


or from using a significant portion of Company's historic business assets in a
business following the merger, and, to the best knowledge of Company, Company
intends to continue its historic business or use a significant portion of its
historic business assets in a business.

     8. To the best knowledge of the management of Company, as of the Effective
Time, neither Parent nor any person related to Parent within the meaning of
Treasury Regulation Section 1.368-1(e)(3): (i) will be under any obligation, or
will have entered into any agreement, to redeem or repurchase any shares of
Parent Stock issued in the Merger or to make any extraordinary distribution in
respect of Parent Stock; or (ii) will have any plan or intention to reacquire
any shares of Parent Stock issued in the Merger. To the best knowledge of the
management of Company, after the Merger, no dividends or distributions will be
made to the former Company stockholders by Parent other than dividends or
distributions made to all holders of Parent Stock.

     9. Company and the holders of Company Stock each will pay its or their own
expenses, if any, incurred in connection with or as part of the Merger or
related transactions. Company has not paid or will not pay, directly or
indirectly, any expenses (including transfer taxes) incurred by any holder of
Company Stock in connection with or as part of the Merger or any related
transactions. Company has not agreed to assume, nor will it directly or
indirectly assume, any other expense or other liability, whether fixed or
contingent, of any holder of Company Stock.

     10. There is no intercorporate indebtedness existing between Parent and
Company or between Merger Subsidiary and Company that was issued, acquired or
will be settled at a discount.

     11. At the Effective Time, the only capital stock of Company issued and
outstanding will be Company Stock.

     12. At the Effective Time, Company will not have outstanding any warrants,
options, convertible securities, or any other type of right pursuant to which
any person could acquire stock in Company that, if exercised or converted,
would affect Parent's acquisition or retention of control of Company, as
defined in Section 368(c) of the Code.

     13. In the Merger, no liabilities of shareholders of Company will be
assumed by Parent, and Parent will not assume any liabilities relating to any
Company Stock acquired by Parent in the Merger. Furthermore, to the best
knowledge of the management of Company, there is no plan or intention for
Parent to assume any liabilities of Company, unless specifically provided in
the Merger Agreement.

                                      E-3

<PAGE>


     14. At the Effective Time, the total fair market value of the assets of
Company will exceed the sum of its liabilities, plus the amount of liabilities,
if any, to which such assets are subject.

     15. Company is not, nor at the Effective Time will be, under the
jurisdiction of a court in a Title 11 or similar case within the meaning of
Section 368(a)(3)(A).

     16. Company is not an "investment company" within the meaning of Section
368(a)(2)(F)(iii) and (iv) of the Code.

     17. None of the employee compensation received or to be received by any
shareholder-employees of Company is or will be separate consideration for, or
allocable to, any of their shares of Company Stock to be surrendered in the
Merger. None of the shares of Parent Stock to be received by any
shareholder-employee of Company in the Merger is or will be separate
consideration for, or allocable to, any employment, consulting or similar
arrangement. To the best knowledge of Company, any compensation paid or to be
paid to any shareholder of Company who will be an employee of or perform
advisory services for Parent, Company, or any affiliate thereof after the
Merger, will be determined by bargaining at arm's length.

     18. Since the date of the Merger Agreement and prior to the Effective
Time, except for the issuance of Company Stock pursuant to the rights described
in paragraph 12 hereof, Company has not issued any additional shares of Company
Stock.

     19. The holders of Company Stock will have dissenters' rights with respect
to the Merger under applicable laws. In the event that any holders of Company
Stock do not vote in favor of the Merger and perfect their right to appraisal
and payment, any amounts paid to such holders in an appraisal proceeding will
be paid by Company out of its own funds. No funds will be supplied for such
payments, directly or indirectly, by Parent, nor will Parent directly or
indirectly reimburse Company for any such payments.

     20. To the best knowledge and belief of the management of Company, neither
Parent nor any person related to Parent (within the meaning of Treasury
Regulation Section 1.368-1(e)(3)) owns or within the past 5 years has owned,
beneficially or of record, any class of stock of Company or any securities of
Company or any instrument giving the holder the right to acquire any such stock
or securities.

     21. Prior to and in connection with the Merger no stock of the Company has
been or will be (i) redeemed or otherwise acquired by Company or by a person
related to Company (within the meaning of Treasury Regulation Section 1.368-

                                      E-4

<PAGE>


1(e)(3) determined without regard to Treasury Regulation Section 1.368-
1(e)(3)(i)(A)), or (ii) the subject of any distribution by Company other than
regular, normal dividends and Company Stock acquired in the ordinary course of
business in connection with employee incentive and benefit programs, or other
programs or arrangements in existence on the date of the Merger Agreement.

     22. The Merger is being effected for bona fide business reasons and will
be carried out strictly in accordance with the Merger Agreement, and as
described in the Proxy Statement/Prospectus, and none of the material terms and
conditions therein has been or will be waived or modified.

     23. The Merger Agreement and the documents described in the Merger
Agreement represent the entire understanding of Parent, Merger Subsidiary and
Company with respect to the Merger and there are no written or oral agreements
regarding the Merger other than those expressly referred to in the Merger
Agreement.

                                      E-4

<PAGE>


     We understand that Davis Polk & Wardwell and Kirkpatrick & Lockhart LLP
will rely on this Certificate in rendering their opinions as to certain United
States federal income tax consequences of the Merger, and we will promptly and
timely inform them if, after signing this Certificate, we have reason to
believe that any of the facts described herein or in the Proxy
Statement/Prospectus or any of the representations made in this Certificate are
or have become untrue, incorrect or incomplete in any respect.

                                            Very truly yours,

                                            Mustang.com, Inc.

                                            By:__________________

                                            Title:_________________

                                      E-5

<PAGE>


                                                                      EXHIBIT F

                        [QUINTUS CORPORATION LETTERHEAD]


                                            [Date]


Davis Polk & Wardwell
450 Lexington Avenue
New York, New York 10017

Kirkpatrick & Lockhart LLP
Henry W. Oliver Building
535 Smithfield Street
Pittsburgh, Pennsylvania 15222-2312

Ladies and Gentlemen:

     In connection with the opinions to be delivered pursuant to Sections
8.02(f) and 8.03(b) of the Agreement and Plan of Merger (the "Merger
Agreement")2, dated as of February 25, 2000, between Mustang.com, Inc., a
California corporation ("Company") and Quintus Corporation, a Delaware
corporation ("Parent"), the undersigned officer of Parent hereby certifies and
represents as to Parent and that certain California corporation and
wholly-owned subsidiary of Parent formed pursuant to Section 1.01 of the Merger
Agreement ("Merger Subsidiary") that the facts relating to the merger (the
"Merger") of Merger Subsidiary with and into Company pursuant to the Merger
Agreement, and as described in the Proxy Statement/Prospectus dated [ ], 2000
(the "Proxy Statement/Prospectus") are true, correct and complete in all
respects at the Effective Time and that:

     1. The consideration to be received in the Merger by holders of common
stock of Company ("Company Stock") was determined by arm's length negotiations
between the managements of Parent and Company. In connection with the Merger,
no holder of Company Stock will receive in exchange for such stock, directly or
indirectly, any consideration other than common stock of Parent ("Parent
Stock") and, in lieu of fractional shares of Parent Stock, cash, except

- --------
     2 All defined terms used herein and not otherwise defined have the meaning
ascribed to them in the Merger Agreement.


<PAGE>


that holders of Company Stock timely exercising their dissenters' rights under
applicable laws will receive cash for their Company Stock.

     2. The fair market value of the Parent Stock and cash in lieu of a
fractional share of Parent Stock received by each Company shareholder will be
approximately equal to the fair market value of the Company Stock surrendered
in exchange therefor.

     3. In the Merger, shares of Company Stock representing control of Company,
as defined in Section 368(c) of the Internal Revenue Code of 1986, as amended
(the "Code"), will be exchanged solely for voting stock of Parent. The payment
of cash in lieu of fractional shares of Parent Stock to holders of Company
Stock is solely for the purpose of avoiding the expense and inconvenience to
Parent of issuing fractional shares and does not represent separately bargained
for consideration. The total cash consideration that will be paid in the Merger
to the holders of Company Stock instead of issuing fractional shares of Parent
Stock will not exceed one percent of the total consideration that will be
issued in the Merger to the holders of Company Stock with respect to their
shares of Company Stock. Redemptions and any other dispositions of Company
Stock in exchange for cash originating with Parent will be taken into account
for purposes of this representation.

     4. Following the Merger, Parent has no plan or intention to cause Company
to issue additional shares of stock that would result in Parent losing control
(within the meaning of Section 368(c) of the Code) of Company.

     5. Prior to the Merger, Parent will be in control of Merger Subsidiary
within the meaning of Section 368(c) of the Code. Merger Subsidiary has been
formed solely in order to consummate the Merger, and at no time has conducted
or will conduct any business activities or other operations of any kind other
than the issuance of its stock to Parent prior to the Effective Time.

     6. In the Merger, Merger Subsidiary will have no assets or liabilities at
the Effective Time, and therefore will have no liabilities assumed by Company
and will not transfer to Company any assets subject to liabilities.

     7. Parent has no plan or intention to liquidate Company, to merge Company
with or into another corporation, to sell, exchange, transfer or otherwise
dispose of any stock of Company or to cause Company to sell, exchange, transfer
or otherwise dispose of any of its assets, except for (i) dispositions made in
the ordinary course of business, (ii) transfers described in Treasury
Regulation Section 1.368-2(k), (iii) asset dispositions to the extent that all
such dispositions,

                                      F-2

<PAGE>


sale, transfer or exchange of assets will not, in the aggregate, violate
paragraph 8 of this letter.

     8. After the Merger, Company will hold at least 90% of the fair market
value of the net assets and at least 70% of the fair market value of the gross
assets held by Company immediately prior to the Merger. For purposes of this
representation, assets of Company held immediately prior to the Merger include
cash, if any, paid by Company to holders of Company Stock in lieu of fractional
shares or to holders pursuant to the exercise of dissenters' rights under
applicable laws, amounts paid or incurred by Company in connection with the
Merger, including amounts used to pay reorganization expenses and all payments,
redemptions and distributions (except for regular, normal dividends, if any)
made in contemplation of or as part of the Merger.

     9. Following the Merger, Parent will cause Company to continue its
historic business or use a significant portion of its historic business assets
in a business.

     10. As of the Effective Time, neither Parent nor any person related to
Parent within the meaning of Treasury Regulation Section 1.368-1(e)(3): (i)
will be under any obligation, or will have entered into any agreement, to
redeem or repurchase any shares of Parent Stock issued in the Merger or to make
any extraordinary distribution in respect of Parent Stock; or (ii) will have
any plan or intention to reacquire any shares of Parent Stock issued in the
Merger. After the Merger, no dividends or distributions will be made to the
former Company stockholders by Parent other than dividends or distributions
made to all holders of Parent Stock.

     11. Parent and Merger Subsidiary each will pay its or their own expenses,
if any, incurred in connection with or as part of the Merger or related
transactions. Neither Parent nor Merger Subsidiary has paid or will pay,
directly or indirectly, any expenses (including transfer taxes) incurred by any
holder of Company Stock in connection with or as part of the Merger or any
related transactions. Neither Parent nor Merger Subsidiary has agreed to
assume, nor will it directly or indirectly assume, any other expense or other
liability, whether fixed or contingent, of any holder of Company Stock.

     12. There is no intercorporate indebtedness existing between Parent and
Company or between Merger Subsidiary and Company that was issued, acquired or
will be settled at a discount.

                                      F-3

<PAGE>


     13. All shares of Parent Stock into which shares of Company Stock will be
converted pursuant to the Merger will be newly issued or treasury shares, and
will be issued by Parent directly to holders of Company Stock pursuant to the
Merger.

     14. To the best knowledge of the management of Parent, at the Effective
Time, Company will not have outstanding any warrants, options, convertible
securities, or any other type of right pursuant to which any person could
acquire stock in Company that, if exercised or converted, would affect Parent's
acquisition or retention of control of Company, as defined in Section 368(c) of
the Code.

     15. In the Merger, no liabilities of shareholders of Company will be
assumed by Parent, and Parent will not assume any liabilities relating to any
Company Stock acquired by Parent in the Merger. Furthermore, there is no plan
or intention for Parent to assume any liabilities of Company, unless
specifically provided in the Merger Agreement.

     16. To the best knowledge of the management of Parent, at the Effective
Time, the total fair market value of the assets of Company will exceed the sum
of its liabilities, plus the amount of liabilities, if any, to which such
assets are subject.

     17. None of Parent or Merger Subsidiary is, nor at the Effective Time will
be, under the jurisdiction of a court in a Title 11 or similar case within the
meaning of Section 368(a)(3)(A).

     18. Neither Parent nor Merger Subsidiary is an "investment company" within
the meaning of Section 368(a)(2)(F)(iii) and (iv) of the Code.

     19. None of the employee compensation received or to be received by any
shareholder-employees of Company is or will be separate consideration for, or
allocable to, any of their shares of Company Stock to be surrendered in the
Merger. None of the shares of Parent Stock to be received by any
shareholder-employee of Company in the Merger is or will be separate
consideration for, or allocable to, any employment, consulting or similar
arrangement. Any compensation paid or to be paid to any shareholder of Company
who will be an employee of or perform advisory services for Parent, Company, or
any affiliate thereof after the Merger, will be determined by bargaining at
arm's length.

     20. The holders of Company Stock will have dissenters' rights with respect
to the Merger under applicable laws. In the event that any holders of Company
Stock do not vote in favor of the Merger and perfect their right to appraisal
and

                                      F-4

<PAGE>


payment, any amounts paid to such holders in an appraisal proceeding will be
paid by Company out of its own funds. No funds will be supplied for such
payments, directly or indirectly, by Parent, nor will Parent directly or
indirectly reimburse Company for any such payments.

     21. Neither Parent nor any person related to Parent (within the meaning of
Treasury Regulation Section 1.368-1(e)(3)) owns or within the past 5 years has
owned, beneficially or of record, any class of stock of Company or any
securities of Company or any instrument giving the holder the right to acquire
any such stock or securities.

     22. The Merger is being effected for bona fide business reasons and will
be carried out strictly in accordance with the Merger Agreement, and as
described in the Proxy Statement/Prospectus, and none of the material terms and
conditions therein has been or will be waived or modified.

     23. The Merger Agreement and the documents described in the Merger
Agreement represent the entire understanding of Parent, Merger Subsidiary and
Company with respect to the Merger and there are no written or oral agreements
regarding the Merger other than those expressly referred to in the Merger
Agreement.

     We understand that Davis Polk & Wardwell and Kirkpatrick & Lockhart LLP
will rely on this Certificate in rendering their opinions as to certain United
States federal income tax consequences of the Merger, and we will promptly and
timely inform them if, after signing this Certificate, we have reason to
believe that any of the facts described herein or in the Proxy
Statement/Prospectus or any of the representations made in this Certificate are
or have become untrue, incorrect or incomplete in any respect.

                                            Very truly yours,

                                            Quintus Corporation

                                            By:__________________

                                            Title:_________________

                                      F-5

<PAGE>


                                                                      EXHIBIT G

                              FORM OF TAX OPINION

                                             [Date]



Mustang.com, Inc.
[address]

Ladies and Gentlemen:

     We have acted as counsel for Mustang.com, Inc. ("Company"), a California
corporation, in connection with the Merger (the "Merger"), as defined and
described in the Agreement and Plan of Merger dated as of February 25, 2000
(the "Merger Agreement") by and between Quintus Corporation ("Parent"), a
Delaware corporation, and Company. You have requested our opinion regarding the
United States federal income tax consequences of the Merger. Unless otherwise
indicated, each capitalized term used herein has the meaning ascribed to it in
the Merger Agreement.

     In connection with this opinion, we have examined the Merger Agreement,
the Registration Statement on Form S-4 related to the Merger, which includes
the Proxy Statement/Prospectus (the "Proxy Statement/Prospectus"), filed with
the Securities and Exchange Commission (the "Commission") on [ ], 2000, and
such other documents as we have deemed necessary or appropriate in order to
enable us to render our opinion. For purposes of this opinion, we have assumed
(i) the validity and accuracy of the documents that we have examined, (ii) that
the Merger will be consummated in the manner described in Merger Agreement and
the Proxy Statement/Prospectus, and (iii) that the representations made by
Parent (together with Merger Subsidiary) and Company pursuant to Sections
8.02(f) and 8.03(b), respectively, of the Merger Agreement are accurate and
complete. In rendering our opinion, we have considered the applicable
provisions of the Internal Revenue Code of 1986, as amended (the "Code"),
Treasury Department regulations promulgated thereunder, pertinent judicial
authorities, interpretive rulings of the IRS and such other authorities as we
have considered relevant. It should be noted that statutes, regulations,
judicial decisions and administrative interpretations are subject to change at
any time (possibly with retroactive effect). A change in the authorities or the
inaccuracy of any of the documents or assumptions on which our opinion is based
could affect our conclusions.


<PAGE>


     Based upon the foregoing, in our opinion, the Merger will be treated for
United States federal income tax purposes as a reorganization within the
meaning of Section 368(a) of the Code, and Parent, Company and Merger
Subsidiary will each be a party to that reorganization within the meaning of
Section 368(b) of the Code. Other than as expressly set forth above, we express
no opinion as to the United States federal, state, local, foreign or other tax
consequences of the Merger.

     The opinion is being furnished pursuant to Section 8.03(b) of the Merger
Agreement. Any material changes in the facts from those set forth or assumed
herein or in the Proxy Statement/Prospectus may affect the conclusions stated
herein.

                                            Yours truly,



                                            /s/ Kirkpatrick & Lockhart LLP

                                      G-2




                                                                    EXHIBIT 2.02


                              FIRST AMENDMENT TO
                          AGREEMENT AND PLAN OF MERGER


     FIRST AMENDMENT dated as of May 8, 2000 (the "Amendment") to the AGREEMENT
AND PLAN OF MERGER (the "Merger Agreement") dated as of February 25, 2000
between Mustang.com, Inc., a California corporation (the "Company"), and
Quintus Corporation, a Delaware corporation ("Parent").

     WHEREAS, pursuant to Section 11.03 of the Merger Agreement, the Merger
Agreement may be amended by a written instrument signed by the Company and
Parent; and

     WHEREAS, the Company and Parent desire to enter into this Amendment to
effect certain technical amendments to the Merger Agreement;

     NOW, THEREFORE, in consideration of the mutual agreements contained in
     this Amendment and other good and valuable consideration, the sufficiency
and receipt of which are hereby acknowledged, the Company and Parent hereby
agree as follows:

     1. Defined Terms. Capitalized terms used herein and not otherwise defined
herein have the respective meanings assigned to them in the Merger Agreement.

     2. Amendments to Section 1.01 of the Merger Agreement. (a) Section 1.01(a)
of the Merger Agreement is hereby amended by (i) replacing the words
"California Law" in the first sentence of such section with the words "Delaware
Law" and (ii) inserting the words "and the Delaware Law" after the words
"California Law" in the second sentence of such section.

     (b) Section 1.01(b) of the Merger Agreement is hereby amended by (i)
inserting the words "and a certificate of merger with the Secretary of State of
the State of Delaware" after the words "the California Secretary of State" in
the first sentence of such section, (ii) inserting the words "and Delaware Law"
after the words "California law" in the first sentence of such section and
(iii) (A) inserting "(i)" after the words "(the "Effective Time") as" in the
second sentence of such section and (B) replacing the words "(or at such later
time as may be specified in the agreement of merger)" with the words ", (ii)
the certificate of merger is filed with the Secretary of State of the State of
Delaware or (iii) such time as may be specified in the agreement of merger or
the certificate of merger, whichever is later."


<PAGE>


     (c) Section 1.01(c) of the Merger Agreement is hereby amended by inserting
the words "and Delaware Law" after the words "California Law" in the first
sentence of such section.

     3. Amendment to Section 2.02 of the Merger Agreement. Section 2.02 of the
Merger Agreement is hereby amended by replacing the words "Merger Subsidiary"
with the words "the Company."

     4. Amendments to Sections 3.03 and 4.03 of the Merger Agreement. (a)
Section 3.03 of the Merger Agreement is hereby amended by replacing the
existing clause (a) in such section with "(a) the filing of an agreement of
merger with the California Secretary of State, a certificate of merger with the
Secretary of State of the State of Delaware, and appropriate documents with the
relevant authorities of other states in which the Company is qualified to do
business."

     (b) Section 4.03 of the Merger Agreement is hereby amended by replacing
the existing clause (a) in such section with "(a) the filing of an agreement of
merger with the California Secretary of Sate, a certificate of merger with the
Secretary of State of the State of Delaware, and appropriate documents with the
relevant authorities of other states in which parent is qualified to do
business."

     5. Effect of Amendment. Except as amended hereby, the Merger Agreement
shall remain unchanged, and the Merger Agreement as amended hereby shall remain
in full force and effect.

     6. Counterparts; Effectiveness. This Amendment may be signed in any number
of counterparts, each of which shall be an original, with the same effect as if
the signatures thereto and hereto were upon the same instrument. This Amendment
shall become effective when each party hereto shall have received a counterpart
hereof signed by the other party hereto.

     7. Governing Law. This Amendment shall be construed in accordance with and
governed by the law of the State of Delaware, without regard to the conflict of
law rules of such state.


<PAGE>


     IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
duly executed by their respective authorized officers as of the day and year
first above written.


                                 QUINTUS CORPORATION


                                 By: /s/ Alan K. Anderson
                                    --------------------------------------------
                                    Name:  Alan K. Anderson
                                    Title: Chairman and Chief Executive Officer




                                 MUSTANG.COM, INC.


                                 By: /s/ James A. Harrer
                                    --------------------------------------------
                                    Name:  James A. Harrer
                                    Title: President and Chief Executive Officer




                                                                   EXHIBIT 2.03


                              ADDITION OF PARTY TO
                          AGREEMENT AND PLAN OF MERGER


     WHEREAS, pursuant to the Agreement and Plan of Merger (the "Merger
Agreement") dated as of February 25, 2000 between Mustang.com, Inc., a
California corporation (the "Company"), and Quintus Corporation, a Delaware
corporation ("Parent"), as amended by the Company and Parent on May 8, 2000,
Mustang.com Acquisition Corporation ("Merger Subsidiary"), a wholly-owned
subsidiary of Parent, was duly incorporated and organized in the State of
Delaware on May 9, 2000, and Parent, the Company and Merger Subsidiary agree
that Merger Subsidiary should become a party to the Merger Agreement as a
constituent corporation.

     NOW, THEREFORE, in consideration of the agreements contained herein and
other good and valuable consideration, the parties hereto agree as follows:

     Merger Subsidiary hereby becomes a party to the Merger Agreement as a
constituent corporation and agrees to be bound by the terms of the Merger
Agreement, as amended, applicable to Merger Subsidiary.


<PAGE>


     IN WITNESS WHEREOF, the parties hereto have caused this agreement to be
duly executed by their respective authorized officers as of the 9th day of May,
2000.


                                 QUINTUS CORPORATION


                                 By: /s/ Alan K. Anderson
                                    --------------------------------------------
                                    Name:  Alan K. Anderson
                                    Title: Chairman and Chief Executive Officer




                                 MUSTANG.COM, INC.


                                 By: /s/ James A. Harrer
                                    -------------------------------------------
                                    Name:  James A. Harrer
                                    Title: President and Chief Executive Officer



                                 MUSTANG.COM ACQUISITION CORPORATION


                                 By: /s/ Alan K. Anderson
                                    -------------------------------------------
                                    Name:  Alan K. Anderson
                                    Title: President




                                                                    EXHIBIT 99.1


                  QUINTUS COMPLETES ACQUISITION OF MUSTANG.COM

     Fremont, California - May 18, 2000 - Quintus Corporation (Nasdaq: QNTS), a
provider of comprehensive e-customer relationship management solutions (eCRM),
today announced that it has completed its acquisition of Mustang.com, Inc.
(Nasdaq: MSTG), the provider of Trusted eService Solutions,(TM) following
approval by Mustang.com's shareholders. With the acquisition, Quintus will
immediately strengthen its eCRM leadership position by leveraging Mustang.com's
award winning e-mail management products and its recently announced hosted
solutions. Quintus believes that this combined eCRM offering will address the
needs of e-businesses thereby permitting them to build customer loyalty and
increase sales through personalized service.

     Under the terms of the transaction, Quintus will issue 0.793 shares of
Quintus common stock for each outstanding share of Mustang.com common stock.
All outstanding options and warrants to purchase Mustang.com common stock will
also be assumed by Quintus, adjusted for the exchange ratio. The acquisition
will be accounted for as a purchase transaction and has been structured to be
tax-free to shareholders. On a fully diluted basis, Quintus will issue (or
reserve) approximately 6.1 million shares of its common stock, representing
13.9% of the combined company.

     About Mustang.com

     Founded in 1986, Mustang.com was a first provider of e-mail management
solutions with its award-winning Message Center(TM) product. Introduced in
1997, Mustang Message Center enables loyal, high quality customer relationships
through Internet and e-mail based customer interactions. Mustang.com is
headquartered in Bakersfield, California with offices in Austin, Chicago, Ft.
Lauderdale, Los Angeles, New York, Phoenix, Seattle and Washington DC. For more
information access the Web at www.mustang.com.

         About Quintus


<PAGE>


     Quintus Corporation provides a comprehensive eCRM solution to manage
customer interactions, such as customer orders, inquiries and service requests,
and deliver consistent customer service across multiple communication channels,
including the Internet, e-mail and the telephone. The Quintus eContact software
suite includes applications that address the needs of customer service
representatives and agents in sales and service, consumer relations, technical
support, and human resources centers and a routing engine to manage customer
interactions. Quintus eContact enables companies to handle high volumes of
customer interactions and leverage opportunities to sell additional products
and services to their customers. Quintus is based in Fremont, Calif. For more
information about Quintus, call 800/337-8941, e-mail [email protected] or
access the Web at www.quintus.com.

     The statements contained in this press release that are purely historical
are forward-looking statements within the meaning of Section 21E of the
Securities and Exchange Act of 1934, including statements based on Quintus
Corporation's current expectations, beliefs, intentions or strategies, as well
as a number of assumptions about future events, and these statements are
subject to important factors and uncertainties that could cause actual results
to differ materially from those described in the forward-looking statements.
The forward-looking statements in this release address a variety of subjects
including, for example, the expected benefits resulting from the acquisition of
Mustang.com Inc. by Quintus. The following factors, among others, could cause
actual results to differ materially from those described in these forward-
looking statements: the risk that Mustang.com's business will not be
successfully integrated with the business of Quintus; and increased competition
and technological changes in the industries in which Quintus and Mustang.com
compete. For a detailed discussion of these and other cautionary statements,
please refer to Quintus Corporation's filings with the Securities and Exchange
Commission (the "SEC"), including the Company's registration statement on Form
S-4 declared effective by the Securities and Exchange Commission on April 11,
2000 and our quarterly report on Form 10-Q filed on February 14, 2000.


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