HARBINGER CORP
SC 13D, 2000-04-14
COMPUTER PROGRAMMING, DATA PROCESSING, ETC.
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<PAGE>


                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  SCHEDULE 13D

                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                             (AMENDMENT NO. ______)


                              HARBINGER CORPORATION
- --------------------------------------------------------------------------------
                                (NAME OF ISSUER)

                                  COMMON STOCK
- --------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                   41145C 10 3
- --------------------------------------------------------------------------------
                                 (CUSIP NUMBER)

                                   ERIC DELLER
                       VICE PRESIDENT AND GENERAL COUNSEL
                             PEREGRINE SYSTEMS, INC.
                             12670 HIGH BLUFF DRIVE
                           SAN DIEGO, CALIFORNIA 92130
                                 (408) 935-4400
- --------------------------------------------------------------------------------
           (Name, Address and Telephone Number of Person Authorized to
                       Receive Notices and Communications)

                                  April 5, 2000
- --------------------------------------------------------------------------------
             (DATE OF EVENT WHICH REQUIRES FILING OF THIS STATEMENT)

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

         If the filing person has previously filed a statement on Schedule 13G
         to report the acquisition which is the subject of this Schedule 13D,
         and is filing this schedule because of Rule 13d.l(b)(3) or (4), check
         the following box. / /

         Note: Six copies of this statement, including all exhibits, should be
         filed with the Commission. See Rule 13d-l(a) for other parties to whom
         copies are to be sent.

         The remainder of this cover page shall be filled out for a Reporting
         Person's initial filing on this form with respect to the subject class
         of securities, and for any subsequent amendment containing information
         which would alter disclosures provided in a prior cover page.

         The information required on the remainder of this cover page shall not
         be deemed to be "filed" for the purpose of Section 18 of the Securities
         Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of
         that section of the Act but shall be subject to all other provisions of
         the Act (however, see the Notes).


                                      -1-
<PAGE>


CUSIP NO. . . . . . . . . . . . . . . . . 41145C 10 3
- --------------------------------------------------------------------------------

         1.               Names of Reporting Persons--Peregrine Systems, Inc.
                          I.R.S. Identification Nos. of above persons (entities
                          only)--95-3773312

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

         2.               Check the Appropriate Box if a Member of a Group (See
                          Instructions)

                           (a)    N/A

                           (b)    N/A
- -------------------------  -----------------------------------------------------

         3.                SEC Use Only      ...................................
- -------------------------  -----------------------------------------------------

         4.                Source of Funds (See Instructions)      WC and BK
- -------------------------  -----------------------------------------------------

         5.                Check if Disclosure of Legal Proceedings Is Required
                           Pursuant to Items 2(d) or 2(e) ...............
- -------------------------  -----------------------------------------------------

         6.                Citizenship or Place of Organization - STATE OF
                           DELAWARE
- -------------------------  -----------------------------------------------------

Number of                  7. Sole Voting Power: Approximately 13,979,992.
Shares                     (Approximately 5,972,524 shares of which are subject
Beneficially               to the restrictions set forth in those certain Voting
Owned by                   Agreements dated April 5, 2000, the form of which is
Each Reporting             filed as EXHIBIT 2 to this Schedule 13D) (8,007,468
Person With                of which may be voted by Peregrine Systems, Inc. only
                           upon the occurrence of certain events described in
                           the Option Agreement dated April 5, 2000 and filed as
                           EXHIBIT 3 to this Schedule 13D)
- -------------------------  -----------------------------------------------------

                           8.     Shared Voting Power:  0
- -------------------------  -----------------------------------------------------

                           9. Sole Dispositive Power : 8,007,468 (upon the
                           occurrence of certain events described in the Option
                           Agreement dated April 5, 2000, and filed as EXHIBIT 3
                           to this Schedule 13D)
- -------------------------  -----------------------------------------------------

                           10.    Shared Dispositive Power:  0
- -------------------------  -----------------------------------------------------

         11.               Aggregate Amount Beneficially Owned by Each Reporting
                           Person.  Approximately 13,979,992
- -------------------------  -----------------------------------------------------

         12.               Check if the Aggregate Amount in Row (11) Excludes
                           Certain Shares (See Instructions)...............
- -------------------------  -----------------------------------------------------

         13.               Percent of Class Represented by Amount in Row (11).
                           Approximately 28.4%
- -------------------------  -----------------------------------------------------

         14.               Type of Reporting Person (See Instructions) - CO
                          ......................................................
                          ......................................................


                                      -2-
<PAGE>


ITEM 1.  SECURITY AND ISSUER.

         This Statement on Schedule 13D (the "SCHEDULE 13D") relates to the
         Common Stock, par value $0.0001 per share, of Harbinger Corporation
         ("HARBINGER COMMON STOCK"), a Georgia corporation ("HARBINGER" or
         "ISSUER"). The principal executive offices of Harbinger are located at
         1277 Lenox Park Boulevard, Atlanta, GA 30319.

ITEM 2.  IDENTITY AND BACKGROUND.

         The name of the corporation filing this statement is Peregrine Systems,
         Inc., a Delaware corporation ("PEREGRINE" or the "REPORTING PERSON").
         The Reporting Person's principal business is infrastructure management
         application software. The address of the principal executive offices of
         the Reporting Person is 12670 High Bluff Drive, San Diego, California
         92130. Set forth in SCHEDULE A is a list of each of the Reporting
         Person's directors and executive officers as of the date hereof, along
         with the present principal occupation or employment of such directors
         and executive officers, their respective citizenship and the name,
         principal business and address of any corporation or other organization
         other than the Reporting Person in which such employment is conducted.

         During the last five years neither the Reporting Person nor, to the
         Reporting Person's knowledge, any person named in SCHEDULE A to this
         statement, has been convicted in a criminal proceeding (excluding
         traffic violations or similar misdemeanors). Also during the last five
         years neither the Reporting Person nor, to the Reporting Person's
         knowledge, any person named in SCHEDULE A to this statement, was a
         party to a civil proceeding of a judicial or administrative body of
         competent jurisdiction as a result of which such person was or is
         subject to a judgment, decree or final order enjoining future
         violations of, or prohibiting or mandating activity subject to, federal
         or state securities laws or finding any violation with respect to such
         laws. Consequently, neither the Reporting Person nor, to the Reporting
         Person's best knowledge, any person named on SCHEDULE A hereto is
         required to disclose legal proceedings pursuant to Item 2(d) or 2(e) of
         Schedule 13D.

ITEM 3.  SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.

         On April 5, 2000, the Reporting Person, through its wholly-owned
         subsidiary Soda Acquisition Corporation, a Delaware corporation
         ("MERGER SUB"), agreed to acquire Harbinger by means of a merger (the
         "MERGER") pursuant to the terms of the Agreement and Plan of
         Reorganization, dated as of April 5, 2000, (the "MERGER AGREEMENT"), by
         and among the Reporting Person, Merger Sub and Harbinger, and subject
         to the conditions set forth therein (including approval by shareholders
         of each of Harbinger and the Reporting Person). Pursuant to the Merger
         Agreement, Merger Sub will merge with and into Harbinger and Harbinger
         will become a wholly-owned subsidiary of the Reporting Person. A copy
         of the Merger Agreement is attached hereto as EXHIBIT 1 and


<PAGE>


         is incorporated herein by this reference. The Merger is subject to the
         approval of the Merger Agreement by the shareholders of the Reporting
         Person and Harbinger, the expiration of the applicable waiting period
         under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as
         amended, and the satisfaction or waiver of certain other conditions as
         more fully described in the Merger Agreement.

         As an inducement to the Reporting Person's entering into the Merger
         Agreement, the Reporting Person and Harbinger also entered into an
         option agreement, dated March 31, 2000 (the "STOCK OPTION AGREEMENT"),
         which agreement is described in more detail in Item 6 below. Pursuant
         to the Option Agreement, Harbinger has granted the Reporting Person an
         option to purchase up to 8,007,468 shares of Harbinger Common Stock at
         a purchase price of $43.50 per share (the "STOCK OPTION"). Based on the
         number of shares outstanding at March 31, 2000, as represented by the
         Issuer to the Reporting Person in the Merger Agreement, the Stock
         Option would be exercisable for approximately 19.9% of the outstanding
         Harbinger Common Stock or approximately 16.7% on a fully diluted basis
         after giving effect to the exercise of the Stock Option. The Stock
         Option is, however, exercisable only upon the occurrence of those
         events relating to the Merger specifically set forth in the Merger
         Agreement and the Option Agreement, none of which has occurred as of
         the date hereof. If the Stock Option should ever become exercisable, it
         is anticipated that the Reporting Person would use working capital and
         borrowings to effect the exercise thereof. The terms of the Stock
         Option are more fully described in the Option Agreement attached hereto
         as EXHIBIT 3. The Option Agreement is incorporated herein by this
         reference. The Reporting Person did not pay additional consideration to
         the Issuer in connection with the Issuer's entering into the Stock
         Option Agreement.

         As a further inducement to the Reporting Person's entering into the
         Merger Agreement, shareholders of Harbinger entered into voting
         agreements with the Reporting Person, which agreements are described in
         more detail in Item 6 below. Pursuant to each voting agreement, the
         shareholder entering into the voting agreement has granted the
         Reporting Person an irrevocable proxy to vote the shareholder's shares
         of Harbinger Common Stock in favor of the Merger (the "IRREVOCABLE
         PROXY"). No capital of the Reporting Person is expected to be expended
         by the Reporting Person in connection with the exercise of its rights
         with respect to the approximately 5,972,524 shares of Harbinger Common
         Stock covered by the Voting Agreements described in Item 6 below. The
         Voting Agreement and the Irrevocable Proxy are attached hereto as
         EXHIBIT 2 and are incorporated herein by this reference.

ITEM 4.  PURPOSE OF TRANSACTION.

         (a) - (b) As further described in Item 3 above and Item 6 below, this
         statement relates to the Merger of Merger Sub, a wholly-owned
         subsidiary of the Reporting Person, with and into Harbinger in a
         statutory merger pursuant to the provisions of the Georgia General
         Corporation Law and Delaware General Corporation Law. At the effective
         time of the Merger, the separate existence of Merger Sub will cease and
         Harbinger will


                                      -2-
<PAGE>


         continue as the surviving corporation and as a wholly-owned subsidiary
         of the Reporting Person. Holders of outstanding Harbinger Common Stock
         will receive, in exchange for each share of Harbinger Common Stock held
         by them, 0.75 shares of Common Stock of the Reporting Person (the
         "EXCHANGE RATIO"). Outstanding options to purchase shares of Harbinger
         Common Stock will be assumed by the Reporting Person at the same
         Exchange Ratio. A copy of the Merger Agreement is attached hereto as
         EXHIBIT 1 to this Schedule 13D and is incorporated herein by this
         reference.

         As an inducement to the Reporting Person to enter into the Merger
         Agreement, and as further described in Item 3 above and Item 6 below,
         each shareholder of Harbinger who is a party to a voting agreement,
         dated as of April 5, 2000 (each a "VOTING AGREEMENT," and collectively,
         the "VOTING AGREEMENTS"), among the parties thereto (each a "VOTING
         AGREEMENT SHAREHOLDER," and collectively, the "VOTING AGREEMENT
         SHAREHOLDERS") with the Reporting Person, has, by executing a Voting
         Agreement, irrevocably appointed the members of the board of directors
         of the Reporting Person, and each of them, as sole and exclusive
         attorneys and proxies, with full power of substitution and
         resubstituion, as his, hers or its lawful attorney and proxy. Such
         proxies give the proxy holders the limited right to vote the shares of
         Harbinger Common Stock beneficially owned by the Voting Agreement
         Shareholders (including any shares of Harbinger Common Stock that such
         shareholders acquire after the time they entered into the Voting
         Agreements) (collectively, the "SHARES"). The names of the Voting
         Agreement Shareholders, the number of shares of Harbinger Common Stock
         beneficially owned by each such shareholder and the percentage
         ownership of Harbinger Common Stock by each such shareholder (as
         reported in Harbinger's Definitive Proxy Statement filed with the
         Securities and Exchange Commission on March 30, 2000) is set forth in
         SCHEDULE B hereto which is hereby incorporated by this reference. A
         copy of the form of Voting Agreement is attached hereto as EXHIBIT 2
         and is incorporated herein by this reference.

         As a further inducement to the Reporting Person to enter into the
         Merger Agreement, and as described further in Item 3 above and Item 6
         below, Harbinger entered into a Stock Option Agreement, dated as of
         April 5, 2000, pursuant to which the Reporting Person has been granted
         an option by Harbinger to purchase up to 8,007,468 shares of Harbinger
         Common Stock at a purchase price of $43.50 per share. The Stock Option
         is, however, exercisable only upon the occurrence of those events
         relating to the Merger specifically set forth in the Merger Agreement
         and the Stock Option Agreement, none of which has occurred as of the
         date hereof. The Stock Option Agreement is attached hereto as EXHIBIT 3
         and is incorporated herein by this reference.

         The descriptions herein of the Merger Agreement, the Voting Agreements
         and the Option Agreement are qualified in their entirety by reference
         to such agreements, copies of which are attached hereto as EXHIBITS 1,
         2 and 3 respectively.

         (c) Not applicable.


                                      -3-
<PAGE>


         (d) It has been agreed that, upon consumation of the Merger, two
         members of the Harbinger Board of Directors will become members of the
         Board of Directors of the Reporting Person. No other directors on
         Harbinger's Board of Directors will continue as directors of either
         the Surviving Corporation or the Reporting Person. In addition, upon
         consummation of the Merger, it is anticipated that certain officers in
         the management of Harbinger will continue in the management of the
         combined companies. The individuals who will continue with these
         management positions and the offices they will hold has not been
         finalized.

         (e) See the discussion of Merger in Item 3 above.

         (f) Other than as a result of the Merger described in Item 3 above, not
         applicable.

         (g) None.

         (h) Upon consummation of the Merger, Harbinger Common Stock will be
         de-listed from the Nasdaq Stock Market.

         (i) Upon consummation of the Merger, Harbinger Common Stock will become
         eligible for termination of registration under the Securities Exchange
         Act of 1934, as amended (the "ACT"), pursuant to Section 12(g)(4) of
         the Act.

         (j) Other than described above, the Reporting Person currently has no
         plan or proposal which relate to, or may result in, any of the matters
         listed in Items 4(a) - (j) of Schedule 13D (although the Reporting
         Person reserves the right to develop such plans or proposals).

ITEM 5.  INTEREST IN SECURITIES OF THE ISSUER.

         (a) - (b) As a result and subject to the terms of the Voting Agreements
         and the irrevocable proxies granted pursuant thereto, the Reporting
         Person has the sole power to vote an aggregate of approximately
         5,972,524 shares of Harbinger Common Stock for the limited purposes
         described in Item 4 above. Such shares constitute approximately 14.5%
         of the issued and outstanding shares of Harbinger Common Stock based on
         the number of shares outstanding at March 31, 2000, as represented by
         the Issuer to the Reporting Person in the Merger Agreement. Other than
         with respect to the provisions of the Voting Agreements, the Reporting
         Person does not have the right to vote the Shares on any other matters.
         The Reporting Person does not share voting power of any additional
         shares of Harbinger Common Stock with regard to the limited purposes
         set forth in Item 4 above and in the Voting Agreements. The Reporting
         Person does not have any power to dispose or direct the disposition of
         any shares of Harbinger Common Stock. To the knowledge of the Reporting
         Person, no shares of Harbinger Common Stock are beneficially owned by
         any of the persons named in SCHEDULE A.

         As a result of the Stock Option being granted to the Reporting Person,
         the Reporting Person may be deemed to be the beneficial owner of
         8,007,468 shares of Harbinger Common Stock (assuming exercise of the
         Stock Option). Base on the number of shares outstanding at March 31,
         2000, as represented by the Issuer to the reporting person in the
         Merger Agreement, the stock option would be exercisable for
         approximately 19.9% of the outstanding Harbinger Common Stock or
         approximately 16.7% of Harbinger


                                      -4-
<PAGE>


         Common Stock that would be outstanding after giving effect to the
         exercise of the Stock Option.

         Aggregating the Voting Agreements and the Stock Option Agreement, such
         shares (representing a total of approximately 13,979,992 shares of
         Harbinger Common Stock) represent approximately 28.4% of the shares of
         Harbinger Common Stock outstanding after giving effect to the exercise
         of the Stock Option.

         (c) Except as described herein, the Reporting Person has not effected
         any transaction in Harbinger Common Stock during the past 60 days and,
         to the Reporting Person's knowledge, none of the persons named in
         SCHEDULE A has effected any transaction in Harbinger Common Stock
         during the past 60 days.

         (d) Not applicable.

         (e) Not applicable.

ITEM 6.  CONTRACTS, ARRANGEMENTS, UNDERSTANDING OR RELATIONSHIPS WITH RESPECT TO
         SECURITIES OF THE ISSUER.

         Pursuant to the Merger Agreement and subject to the conditions set
         forth therein, Merger Sub will merge with and into Harbinger and
         Harbinger will become a wholly-owned subsidiary of the Reporting
         Person. Upon consummation of the Merger, Merger Sub will cease to exist
         as a separate corporation and all of the business, assets, liabilities
         and obligations of Merger Sub will be merged into Harbinger with
         Harbinger remaining as the surviving corporation (the "SURVIVING
         CORPORATION"). As a result of the Merger, each outstanding share of
         Harbinger Common Stock, other than shares owned by Harbinger (i.e.
         Harbinger treasury shares), Merger Sub, the Reporting Person or any
         wholly-owned subsidiary of Harbinger or the Reporting Person, will be
         converted into the right to receive 0.75 of a share (the "EXCHANGE
         RATIO") of the Reporting Person Common Stock. Outstanding options or
         warrants to purchase Harbinger Common Stock will be assumed by the
         Reporting Person at the same Exchange Ratio. The foregoing summary of
         the Merger is qualified in its entirety by reference to the copy of the
         Merger Agreement included as EXHIBIT 1 to this Schedule 13D and
         incorporated herein in its entirety by reference.

         Upon certain circumstances described in Section 7.3 of the Merger
         Agreement, Harbinger will be obligated to pay to the Reporting Person
         of a breakup fee equal to $50,000,000 (the "BREAKUP FEE"). Payment of
         the Breakup Fee will not be in lieu of damages in the event of fraud
         or a willful breach by Harbinger of the Merger Agreement. Payment of
         the Breakup Fee will be subject to offset as described in the Option
         Agreement.

         The Stock Option, granted pursuant to the Stock Option Agreement, is
         exercisable, in whole or in part, at any time and from time to time
         prior to the termination of the Option Agreement and following the
         occurrence of an Exercise Event as that term is defined in Section 2 of
         the Option Agreement.


                                      -5-
<PAGE>


         The Stock Option will terminate and be of no further force and effect
         upon the earliest to occur of (i) the consummation of the transactions
         contemplated by the Merger Agreement, or (ii) 12 months after the
         termination of the Merger Agreement.

         At the request of the reporting person, during the period the option is
         exercisable, the Reporting Person, shall have the right at any time
         thereafter (for so long as the Option is exercisable) to request in
         writing that Harbinger pay to the Reporting Person, in five (5)
         business days after the giving by the Reporting Person of such request,
         in cancellation of the Option, an amount in cash equal to the
         difference between the higher of (A) the highest price per share
         offered as of such date pursuant to any acquisition proposal that was
         made prior to such date and (B) the highest closing sale price of
         Harbinger shares then on the NASDAQ National Market during the 20
         trading days ending on the trading day immediately preceding such date
         (the difference between (A) and (B) being the "Market/Tender Offer
         Price") and the exercise price of the Stock Option, multiplied by the
         number of Harbinger shares purchasable pursuant to the Stock Option
         that remain, but only if the Market/Tender Offer Price is greater than
         the exercise price of the Stock Option. For purposes of determining the
         highest price offered pursuant to any acquisition proposal that
         involves consideration other than cash, the value of such consideration
         will be equal to the higher of (x) if securities of the same class of
         the proponent as such consideration are traded on any national
         securities exchange or any registered securities association, a value
         based on the closing sale price or asked price for such securities on
         their principal trading market on such date and (y) the value ascribed
         to such consideration by the proponent of such acquisition proposal, or
         if no such value is ascribed, a value determined in good faith by the
         board of directors of Harbinger.

         At the request of the Reporting Person, during the period the option is
         exercisable, the Reporting Person shall have the right at any time
         thereafter to request in writing that Harbinger purchase from the
         Reporting Person the option shares, if any, acquired by the Reporting
         Person, at the exercise price paid by the Reporting Person for the
         Harbinger shares acquired pursuant to the Stock Option plus the
         difference between the Market/Tender Offer Price and such exercise
         price (but only if the Market/Tender Offer Price is greater than the
         exercise price) multiplied by the number of Harbinger shares so
         purchased.

         Notwithstanding the above, pursuant to Section 6 of the Stock Option
         Agreement, Harbinger will not be required to pay the Reporting Person
         in excess of an aggregate of (x) $50,000,000 minus (y) any cash amounts
         paid (or due to be paid in the future) to the Reporting Person by
         Harbinger pursuant to Section 7.3(b) of the Merger Agreement.

         In exercising their rights to vote the Shares as lawful attorneys and
         proxies of the Voting Agreement Shareholders pursuant to the Voting
         Agreements, the members of the board of directors of the Reporting
         Person, and each of them, as sole and exclusive attorneys and proxies,
         with full power of substitution and resubstituion, will be limited, at
         every Harbinger shareholders meeting and every written consent in lieu
         of such meeting, to


                                      -6-
<PAGE>


         vote the shares (i) in favor of approval of the Merger and the Merger
         Agreement and (ii) against approval of any proposal made in opposition
         to or in competition with the consummation of the Merger and against
         any merger, consolidation, sale of assets, reorganization or
         recapitalization with any party other than the Reporting Person and any
         liquidation or winding up of Harbinger. The Voting Agreement
         Shareholders may vote their own shares themselves on all other matters.
         The Voting Agreements terminate upon the earlier to occur of (i) such
         date and time as the Merger shall become effective in accordance with
         Section VII thereof or (ii) such date as the Merger Agreement shall be
         terminated in accordance with its terms (the "EXPIRATION DATE"). Each
         Voting Agreement Shareholder has agreed not to transfer his or her
         Shares prior to the Expiration Date. Moreover, each Voting Agreement
         shareholder has granted the members of the board of directors of the
         Reporting Person, and each of them, as sole and exclusive attorneys and
         proxies, with full power of substitution and resubstituion, an
         irrevocable proxy to vote the shares beneficially owned by the Voting
         Agreement Shareholder in favor of the Merger. The terms of the Voting
         Agreements are more fully described in the Voting Agreement and the
         Irrevocable Proxy, attached hereto as EXHIBIT 2. Each of the Voting
         Agreement and the Irrevocable Proxy is incorporated herein by this
         reference.

         Other than the Merger Agreement, Voting Agreements and the Stock Option
         Agreement, to the best knowledge of the Reporting Person, there are no
         contracts, arrangements, understandings or relationships (legal or
         otherwise) among the persons named in Item 2 and between such persons
         and any person with respect to any securities of Harbinger, including
         but not limited to transfer or voting of any of the securities,
         finder's fees, joint ventures, loan or option arrangement, puts or
         calls, guarantees of profits, division of profits or loss, or the
         giving or withholding of proxies.

         The descriptions herein of the Merger Agreement, the Voting Agreements
         and the Stock Option Agreement are qualified in their entirety by
         reference to such agreements, copies of which are attached hereto as
         EXHIBITS 1, 2 and 3 respectively.

ITEM 7.  MATERIALS TO BE FILED AS EXHIBITS.

         The following documents are filed as exhibits:

         1.       Agreement and Plan of Reorganization, dated April 5, 2000, by
                  and among Peregrine Systems, Inc., a Delaware corporation,
                  Soda Acquisition Corporation, a Delaware corporation and a
                  wholly-owned subsidiary of Peregrine Systems, Inc., and
                  Harbinger Corporation, a Georgia corporation.

         2.       Form of Voting Agreement, dated April 5, 2000, between
                  Peregrine Systems, Inc., a Delaware corporation, and certain
                  shareholders of Harbinger Corporation, a Georgia corporation.

         3.       Stock Option Agreement, dated April 5, 2000, between Harbinger
                  Corporation and Peregrine Systems, Inc.


                                      -7-
<PAGE>


                                    SIGNATURE

         After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.



Dated:  April 14, 2000



                                      PEREGRINE SYSTEMS, INC.



                                      By:   /s/ Eric Deller
                                          --------------------------------------
                                          Eric Deller, General Counsel


<PAGE>


                                   SCHEDULE A

                       DIRECTORS AND EXECUTIVE OFFICERS OF
                             PEREGRINE SYSTEMS, INC.

<TABLE>
<CAPTION>

                                                         PRESENT PRINCIPAL OCCUPATION
                  NAME AND TITLE                             AND NAME OF EMPLOYER                   CITIZENSHIP
- ---------------------------------------------------    --------------------------------           ----------------
<S>                                                    <C>                                        <C>
Steven P. Gardner                                          Peregrine Systems, Inc.                      U.S.
President, Chief Executive Officer and Director

David A. Farley                                            Peregrine Systems, Inc.                      U.S.
Senior Vice President, Finance and Administration,
Chief Financial Officer and Director

Mathew C. Glass                                            Peregrine Systems, Inc.                      U.S.
Vice President, Finance and Chief Accounting
Officer

William G. Holsten                                         Peregrine Systems, Inc.                      U.S.
Senior Vice President, Worldwide Professional
Services

Frederick B. Luddy                                         Peregrine Systems, Inc.                      U.S.
Vice President, Research and Development

Douglas S. Powanda                                         Peregrine Systems, Inc.                      U.S.
Vice President, Worldwide Sales

Steven S. Spitzer                                          Peregrine Systems, Inc.                      U.S.
Vice President, Alliances

Richard T. Nelson                                          Peregrine Systems, Inc.                      U.S.
Vice President, Corporate Development and Secretary

Eric Deller                                                Peregrine Systems, Inc.                      U.S.
Vice President and General Counsel

John J. Moores                                                Owner and Chairman                        U.S.
Chairman of the Board of Directors                   San Diego Padres Baseball Club, L.P.

Christopher A. Cole                                 President and Chief Executive Officer               U.S.
Director                                                        Questrel, Inc.

Richard A. Hosley II                                               Retired                              U.S.
Director

Charles E. Noell III                                President and Chief Executive Officer               U.S.
Director                                                      JMI Services, Inc.

Norris van den Berg                                            General Partner                          U.S.
Director                                                  DMI Equity Partners, L.P.

Thomas G. Watrous, Sr.                                             Retired                              U.S.
Director

</TABLE>

- ---------------------------
*The address for each executive officer or director is c/o Pergrine Systems,
Inc., 12670 High Bluff, San Diego, CA 92130.


<PAGE>


                                   SCHEDULE B

                              HARBINGER CORPORATION
                          VOTING AGREEMENT SHAREHOLDERS

       THE INFORMATION IN THIS SCHEDULE IS BASED ON INFORMATION FILED WITH
           THE SECURITIES AND EXCHANGE COMMISSION ON MARCH 30, 2000 BY
                   HARBINGER IN ITS DEFINITIVE PROXY STATEMENT

<TABLE>
<CAPTION>

                                                     SHARES OF HARBINGER BENEFICIALLY
                                                             OWNED BY VOTING             PERCENTAGE OF HARBINGER COMMON
           VOTING AGREEMENT SHAREHOLDER                  AGREEMENT SHAREHOLDER(1)           STOCK BENEFICIALLY OWNED
- --------------------------------------------------  ----------------------------------  ---------------------------------
<S>                                                 <C>                                 <C>
Stuart L. Bell (2)..............................                 101,687                               *

David Hildes (3)................................               1,431,417                              3.6

William B. King (4).............................                  99,474                               *

Benn R. Konsynski (5)...........................                  52,715                               *

David T. Leach (6)..............................                 982,687                              2.5

John D. Lowenberg (7)...........................                 132,442                               *

Ad Nederlof (8).................................                  76,125                               *

Klaus Neugebauer (9)............................                  63,000                               *

William D. Savoy (10)...........................               2,844,166                              7.2

James M. Travers (11)...........................                 120,507                               *

David Bursiek (12)..............................                   9,552                               *

Daniel Manack (13)..............................                   8,752                               *

Douglas Roberts (14)............................                  50,000                               *

Vulcan Ventures, Inc./Paul G. Allen
110 110th Avenue, N.E., Suite 550,
Bellevue, WA  98004.............................               2,740,854

</TABLE>

- ---------------------------
*Less than 1% of the outstanding Common Stock.

(1)      Information with respect to "beneficial ownership" shown in the table
         above is based on information supplied by the directors and executive
         officers of the Company and filings made with the Commission or
         furnished to the Company by other shareholders. Beneficial ownership is
         determined in accordance with the rules of the Securities and Exchange
         Commission and generally includes voting or investment power with
         respect to securities. Except as indicated by footnote, the persons
         named in the table above have sole voting and investment power with
         respect to all shares of Common Stock shown as beneficially owned by
         them. Percentage of beneficial ownership is based on 39,594,515 of
         Common Stock outstanding as of March 8, 2000 and includes shares of
         Common Stock subject to options that may be exercised within 60 days of
         March 8, 2000. Such shares are deemed to be outstanding for the
         purposes of computing the percentage ownership of the individual
         holding such shares, but are not deemed outstanding for purposes of
         computing the percentage of any other person shown in the table.


<PAGE>


(2)      Includes 50,437 shares subject to options exercisable within 60 days.
(3)      Includes 1,144,217 shares held of record by Mr. Hildes, 240,000 shares
         held by a charitable remainder trust of which Mr. Hildes and his wife
         are income beneficiaries, and 47,200 shares subject to options
         exercisable within 60 days.
(4)      Includes 70,125 shares subject to options exercisable within 60 days.
(5)      Includes 47,765 shares subject to options exercisable within 60 days.
(6)      Includes 465,600 shares held by Mr. Leach, 5,212 shares held of record
         by Mr. Leach's wife and 511,875 shares subject to options exercisable
         within 60 days.
(7)      Includes 85,442 shares held jointly by Mr. Lowenberg and his wife,
         14,000 shares held by the Lowenberg Charitable Trust, the trustees of
         which are Mr. Lowenberg and his wife, and as to which Mr. Lowenberg
         disclaims beneficial ownership, and 33,000 shares subject to options
         exercisable within 60 days.
(8)      Includes 61,125 shares subject to options exercisable within 60 days.
(9)      Includes 9,000 shares subject to options exercisable within 60 days.
(10)     Includes 72,375 shares subject to options exercisable within 60 days.
         Also includes 2,740,854 shares beneficially owned by Vulcan Ventures,
         Inc. and Paul G. Allen, as to which Mr. Savoy disclaims beneficial
         ownership. Mr. Savoy is the President of Vulcan Northwest, Inc., a
         company that is beneficially owned by Mr. Allen. Mr. Savoy's address is
         110 110th Avenue N.E., Bellevue, WA 98004.
(11)     Includes 111,269 shares subject to options exercisable within 60 days.
(12)     Includes 800 shares held of record by Mr. Bursiek's wife and 8,752
         shares subject to options exercisable within 60 days.
(13)     Includes 8,752 shares subject to options exercisable within 60 days.
(14)     Includes 50,000 shares subject to options exercisable within 60 days.


                                      -2-

<PAGE>


                                                                    Exhibit 1


                 AGREEMENT AND PLAN OF MERGER AND REORGANIZATION

                                  BY AND AMONG

                             PEREGRINE SYSTEMS, INC.

                          SODA ACQUISITION CORPORATION

                                       AND

                              HARBINGER CORPORATION




                            DATED AS OF APRIL 5, 2000

<PAGE>

                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                          PAGE
                                                                                          ----
<S>                                                                                       <C>
ARTICLE I THE MERGER.........................................................................2

         1.1      The Merger.................................................................2
         1.2      Effective Time; Closing....................................................2
         1.3      Effect of the Merger.......................................................2
         1.4      Articles of Incorporation; Bylaws..........................................2
         1.5      Directors and Officers.....................................................2
         1.6      Effect on Capital Stock....................................................3
         1.7      Surrender of Certificates..................................................4
         1.8      No Further Ownership Rights in Company Common Stock........................6
         1.9      Lost, Stolen or Destroyed Certificates.....................................6
         1.10     Tax and Accounting Consequences............................................6
         1.11     Taking of Necessary Action; Further Action.................................6

ARTICLE II REPRESENTATIONS AND WARRANTIES OF COMPANY.........................................7

         2.1      Organization and Qualification; Subsidiaries...............................7
         2.2      Articles of Incorporation and Bylaws.......................................7
         2.3      Capitalization.............................................................8
         2.4      Authority Relative to this Agreement.......................................9
         2.5      No Conflict; Required Filings and Consents................................10
         2.6      Compliance; Permits.......................................................10
         2.7      SEC Filings; Financial Statements.........................................11
         2.8      No Undisclosed Liabilities................................................12
         2.9      Absence of Certain Changes or Events......................................12
         2.10     Absence of Litigation.....................................................13
         2.11     Employee Benefit Plans....................................................13
         2.12     Labor Matters.............................................................15
         2.13     Registration Statement/Joint Proxy Statement/Prospectus...................16
         2.14     Restrictions on Business Activities.......................................16
         2.15     Title to Property.........................................................16
         2.16     Taxes.....................................................................16
         2.17     Environmental Matters.....................................................18
         2.18     Brokers...................................................................18
         2.19     Intellectual Property.....................................................18
         2.20     Agreements, Contracts and Commitments.....................................22
         2.21     Insurance.................................................................23
         2.22     Opinion of Financial Advisor..............................................24
         2.23     Board Approval............................................................24
         2.24     Vote Required.............................................................24
         2.25     State Takeover Statutes...................................................24
</TABLE>


                                      -i-
<PAGE>

                                TABLE OF CONTENTS
                                   (CONTINUED)

<TABLE>
<CAPTION>
                                                                                          PAGE
                                                                                          ----
<S>                                                                                       <C>
ARTICLE III REPRESENTATIONS AND WARRANTIES OF PARENT AND MERGER SUB.........................24

         3.1      Organization and Qualification; Subsidiaries..............................24
         3.2      Certificate of Incorporation and Bylaws...................................25
         3.3      Capitalization............................................................25
         3.4      Parent Common Stock.......................................................25
         3.5      Authority Relative to this Agreement......................................25
         3.6      SEC Filings; Financial Statements.........................................26
         3.7      No Undisclosed Liabilities................................................26
         3.8      Compliance; Permits.......................................................27
         3.9      Absence of Certain Changes or Events......................................27
         3.10     Absence of Litigation.....................................................27
         3.11     Registration Statement; Joint Proxy Statement/Prospectus..................28
         3.12     Brokers...................................................................28
         3.13     Opinion of Financial Advisor..............................................28
         3.14     Board Approval............................................................28
         3.15     Vote Required.............................................................28

ARTICLE IV CONDUCT PRIOR TO THE EFFECTIVE TIME..............................................28

         4.1      Conduct of Business by Company............................................28
         4.2      Conduct of Business by Parent.............................................31

ARTICLE V ADDITIONAL AGREEMENTS.............................................................32

         5.1      Joint Proxy Statement/Prospectus; Registration Statement..................32
         5.2      Shareholder and Stockholder Meetings......................................33
         5.3      Confidentiality; Access to Information....................................34
         5.4      No Solicitation...........................................................34
         5.5      Public Disclosure.........................................................36
         5.6      Reasonable Efforts; Notification..........................................36
         5.7      Third Party Consents......................................................37
         5.8      Stock Options and Employee Benefits; Warrants.............................37
         5.9      Form S-8..................................................................39
         5.10     Indemnification...........................................................39
         5.11     Nasdaq Listing............................................................39
         5.12     Affiliates................................................................39
         5.13     Regulatory Filings; Reasonable Efforts....................................40
         5.14     Parent Board of Directors.................................................40
         5.15     Shareholder Litigation....................................................40

ARTICLE VI CONDITIONS TO THE MERGER.........................................................40

         6.1      Conditions to Obligations of Each Party to Effect the Merger..............40
         6.2      Additional Conditions to Obligations of Company...........................41
</TABLE>


                                      -ii-
<PAGE>

                                TABLE OF CONTENTS
                                   (CONTINUED)

<TABLE>
<CAPTION>
                                                                                          PAGE
                                                                                          ----
<S>                                                                                       <C>
         6.3      Additional Conditions to the Obligations of Parent and Merger Sub.........42

ARTICLE VII TERMINATION, AMENDMENT AND WAIVER...............................................42

         7.1      Termination...............................................................42
         7.2      Notice of Termination; Effect of Termination..............................44
         7.3      Fees and Expenses.........................................................44
         7.4      Amendment.................................................................46
         7.5      Extension; Waiver.........................................................46

ARTICLE VIII GENERAL PROVISIONS.............................................................46

         8.1      Survival of Representations and Warranties................................46
         8.2      Notices...................................................................46
         8.3      Interpretation; Definitions...............................................48
         8.4      Counterparts..............................................................49
         8.5      Entire Agreement; Third Party Beneficiaries...............................49
         8.6      Severability..............................................................49
         8.7      Other Remedies; Specific Performance......................................49
         8.8      Governing Law.............................................................50
         8.9      Rules of Construction.....................................................50
         8.10     Assignment................................................................50
</TABLE>

                                INDEX OF EXHIBITS

         Exhibit A-1       Form of Company Voting Agreement

         Exhibit A-2       Form of Parent Voting Agreement

         Exhibit B         Form of Stock Option Agreement

         Exhibit C         Form of Affiliate Agreement


                                     -iii-
<PAGE>

                AGREEMENT AND PLAN OF MERGER AND REORGANIZATION

        This AGREEMENT AND PLAN OF MERGER AND REORGANIZATION is made and entered
into as of April 5, 2000, among Peregrine Systems, Inc., a Delaware corporation
("PARENT"), Soda Acquisition Corporation, a Delaware corporation and a
wholly-owned subsidiary of Parent ("MERGER SUB"), and Harbinger Corporation, a
Georgia corporation ("COMPANY").

                                      RECITALS

        A. Upon the terms and subject to the conditions of this Agreement (as
defined in Section 1.2 below) and in accordance with the Georgia Business
Corporation Code ("GEORGIA LAW") and the Delaware General Corporation Law
("DELAWARE LAW"), Parent and Company intend to enter into a business combination
transaction.

         B. The Board of Directors of Company (i) has determined that the Merger
(as defined in Section 1.1) is consistent with and in furtherance of the
long-term business strategy of Company and fair to, and in the best interests
of, Company and its shareholders, (ii) has unanimously approved and declared
advisable this Agreement, and has approved the Merger (as defined in Section
1.1) and the other transactions contemplated by this Agreement, and (iii) has
determined to recommend that the shareholders of Company adopt and approve this
Agreement and approve the Merger.

         C. The Board of Directors of Parent (i) has determined that the Merger
is consistent with and in furtherance of the long-term business strategy of
Parent and is fair to, and in the best interests of, Parent and its
stockholders, (ii) has approved this Agreement, the Merger and the other
transactions contemplated by this Agreement, and (iii) has determined to
recommend that the stockholders of Parent approve the issuance of shares of
Parent Common Stock (as defined below) pursuant to the Merger (the "SHARE
ISSUANCE").

         D. Concurrently with the execution of this Agreement, (i) as a
condition and inducement to Parent's willingness to enter into this Agreement,
each affiliate of Company is entering into Voting Agreements in the form
attached hereto as EXHIBIT A-1 (the "COMPANY VOTING AGREEMENTS") and (ii) as a
condition and inducement to Company's willingness to enter into this Agreement,
certain affiliates of Parent are entering into Voting Agreements in the form
attached hereto as EXHIBIT A-2 (the "PARENT VOTING AGREEMENT").

         E. Concurrently with the execution of this Agreement, and as a
condition and inducement to Parent's willingness to enter into this Agreement,
Company shall execute and deliver a Stock Option Agreement in favor of Parent in
the form attached hereto as EXHIBIT B (the "STOCK OPTION AGREEMENT").

         F. The parties intend, by executing this Agreement, to adopt a plan of
reorganization within the meaning of Section 368 of the Internal Revenue Code of
1986, as amended (the "CODE").

        NOW, THEREFORE, in consideration of the covenants, promises and
representations set forth herein, and for other good and valuable consideration,
the receipt and sufficiency of which are hereby acknowledged, the parties agree
as follows:

<PAGE>

                                    ARTICLE I

                                   THE MERGER

        1.1     THE MERGER.  At the Effective Time (as defined in Section 1.2)
and subject to and upon the terms and conditions of this Agreement and the
applicable provisions of Georgia Law and Delaware Law, Merger Sub shall be
merged with and into Company (the "MERGER"), the separate corporate existence of
Merger Sub shall cease, and Company shall continue as the surviving corporation
and as a wholly-owned subsidiary of Parent. Company as the surviving corporation
after the Merger is hereinafter sometimes referred to as the "SURVIVING
CORPORATION."

        1.2     EFFECTIVE TIME; CLOSING.  Subject to the provisions of this
Agreement, the parties hereto shall cause the Merger to be consummated by filing
a certificate of merger with the Secretary of State of the State of Georgia in
accordance with the relevant provisions of Georgia Law (the "CERTIFICATE OF
MERGER") and a certificate of merger with the Secretary of State of the State of
Delaware in accordance with the relevant provisions of Delaware Law (the
"DELAWARE CERTIFICATE OF MERGER") (the time of the later of such filings (or
such later time as may be agreed in writing by Company and Parent and specified
in the Certificate of Merger) being the "EFFECTIVE TIME") as soon as practicable
on or after the Closing Date (as herein defined). The closing of the Merger (the
"CLOSING") shall take place at the offices of Wilson Sonsini Goodrich & Rosati,
Professional Corporation, 650 Page Mill Road, Palo Alto, California  94304-1050
at a time and date to be specified by the parties, which shall be no later than
the second business day after the satisfaction or waiver of all of the
conditions set forth in Article VI, or at such other time, date and location as
the parties hereto agree in writing (the "CLOSING DATE").

        1.3     EFFECT OF THE MERGER.  At the Effective Time, the effect of the
Merger shall be as provided in this Agreement and the applicable provisions of
Georgia Law and Delaware Law. Without limiting the generality of the foregoing,
and subject thereto, at the Effective Time, all the property, rights,
privileges, powers, and franchises of Company and Merger Sub shall vest in the
Surviving Corporation, and all debts, liabilities and duties of Company and
Merger Sub shall become the debts, liabilities, and duties of the Surviving
Corporation.

        1.4     ARTICLES OF INCORPORATION; BYLAWS.

                (a)     At the Effective Time, the Articles of Incorporation of
Company, as in effect immediately prior to the Effective Time, shall be the
Articles of Incorporation of the Surviving Corporation until thereafter amended
as provided by law and such Articles of Incorporation of the Surviving
Corporation.

                (b)     The Bylaws of Company, as in effect immediately prior to
the Effective Time, shall be, at the Effective Time, the Bylaws of the Surviving
Corporation until thereafter amended.

        1.5     DIRECTORS AND OFFICERS.  The initial directors of the Surviving
Corporation shall be the directors of Merger Sub immediately prior to the
Effective Time, each to hold office in accordance with the Articles of
Incorporation and Bylaws of the Surviving Corporation until their respective


                                      -2-
<PAGE>

successors are duly elected or appointed and qualified. The initial officers of
the Surviving Corporation shall be the officers of Merger Sub immediately prior
to the Effective Time, each to hold office in accordance with the Articles of
Incorporation and Bylaws of the Surviving Corporation until their respective
successors are duly appointed.

        1.6     EFFECT ON CAPITAL STOCK.  Subject to the terms and conditions of
this Agreement, at the Effective Time, by virtue of the Merger and without any
action on the part of Merger Sub, Company or the holders of any of the following
securities, the following shall occur:

                (a)     CONVERSION OF COMPANY COMMON STOCK. Each share of Common
Stock, par value $.0001 per share, of Company (the "COMPANY COMMON STOCK")
issued and outstanding immediately prior to the Effective Time, other than any
shares of Company Common Stock to be cancelled pursuant to Section 1.6(b), will
be cancelled and extinguished and automatically converted (subject to
Sections 1.6(e) and (f)) into the right to receive that number of shares of
Common Stock, $0.001 par value per share, of Parent (the "PARENT COMMON STOCK")
equal to 0.75 (the "EXCHANGE RATIO") upon surrender of the certificate
representing such share of Company Common Stock in the manner provided in
Section 1.7 (or in the case of a lost, stolen or destroyed certificate, upon
delivery of an affidavit (and bond, if required) in the manner provided in
Section 1.9). If any shares of Company Common Stock outstanding immediately
prior to the Effective Time are unvested or are subject to a repurchase option,
risk of forfeiture or other condition under any applicable restricted stock
purchase agreement or other agreement with the Company, then the shares of
Parent Common Stock issued in exchange for such shares of Company Common Stock
will also be unvested and subject to the same repurchase option, risk of
forfeiture or other condition, and the certificates representing such shares of
Parent Common Stock may accordingly be marked with appropriate legends. The
Company shall take all action that may be necessary to ensure that, from and
after the Effective Time, Parent is entitled to exercise any such repurchase
option or other right set forth in any such restricted stock purchase agreement
or other agreement.

                (b)     CANCELLATION OF PARENT-OWNED STOCK. Each share
of Company Common Stock held by Company or owned by Merger Sub, Parent or any
direct or indirect wholly-owned subsidiary of Company or of Parent immediately
prior to the Effective Time shall be cancelled and extinguished without any
conversion thereof.

                (c)     STOCK OPTIONS; WARRANTS; EMPLOYEE STOCK PURCHASE PLANS.
At the Effective Time, each outstanding Warrant (as defined in Section 2.3), all
options to purchase Company Common Stock and stock appreciation rights then
outstanding under Company's Amended and Restated 1989 Stock Option Plan (the
"1989 PLAN"), Company's 1996 Stock Option Plan, as amended, (the "INCENTIVE
PLAN"), Company's 1993 Stock Option Plan for Nonemployee Directors (the
"DIRECTOR PLAN" and, together with the 1989 Plan and the Incentive Plan, the
"COMPANY OPTION PLANS"), and each of the Company Option Plans shall be assumed
by Parent in accordance with Section 5.8 hereof.  Purchase rights outstanding
under Company's Amended and Restated Employee Stock Purchase Plan (the "ESPP")
shall be treated as set forth in Section 5.8.

                (d)     CAPITAL STOCK OF MERGER SUB. Each share of Common Stock,
$0.001 par value per share, of Merger Sub (the "MERGER SUB COMMON STOCK") issued
and outstanding immediately


                                      -3-
<PAGE>

prior to the Effective Time shall be converted into one validly issued, fully
paid and nonassessable share of Common Stock, $0.001 par value per share, of the
Surviving Corporation. Each certificate evidencing ownership of shares of Merger
Sub Common Stock shall evidence ownership of such shares of capital stock of the
Surviving Corporation.

                (e)     ADJUSTMENTS TO EXCHANGE RATIO. The Exchange Ratio shall
be adjusted to reflect proportionately and equitably the effect of any stock
split, reverse stock split, stock dividend (including any dividend or
distribution of securities convertible into Parent Common Stock or Company
Common Stock), reorganization, recapitalization, reclassification or other like
change with respect to Parent Common Stock or Company Common Stock occurring on
or after the date hereof and prior to the Effective Time.

                (f)     FRACTIONAL SHARES. No fraction of a share of Parent
Common Stock will be issued by virtue of the Merger, but in lieu thereof, each
holder of shares of Company Common Stock who would otherwise be entitled to a
fraction of a share of Parent Common Stock (after aggregating all fractional
shares of Parent Common Stock that otherwise would be received by such holder)
shall, upon surrender of such holder's Certificates(s) (as defined in Section
1.7(c)), receive from Parent an amount of cash (rounded to the nearest whole
cent), without interest, equal to the product of (i) such fraction and (ii) the
average closing price of Parent Common Stock for the five trading days
immediately preceding the last full trading day prior to the Effective Time, as
reported on the Nasdaq National Market System ("NASDAQ").

        1.7     SURRENDER OF CERTIFICATES.

                (a)     EXCHANGE AGENT. Parent shall select a bank or trust
company reasonably acceptable to Company to act as the exchange agent (the
"EXCHANGE AGENT") in the Merger.

                (b)     PARENT TO PROVIDE COMMON STOCK.  Within five (5)
business days after the Effective Time, Parent shall make available to the
Exchange Agent, for exchange in accordance with this Article I, (i) the shares
of Parent Common Stock issuable pursuant to Section 1.6 in exchange for
outstanding shares of Company Common Stock and (ii) cash in an amount sufficient
for payment in lieu of fractional shares pursuant to Section 1.6(f) and any
dividends or distributions to which holders of shares of Company Common Stock
may be entitled pursuant to Section 1.7(d).

                (c)     EXCHANGE PROCEDURES. As soon as practicable after the
Effective Time, Parent shall cause the Exchange Agent to mail to each holder of
record (as of the Effective Time) of a certificate or certificates (the
"CERTIFICATES"), which immediately prior to the Effective Time represented
outstanding shares of Company Common Stock whose shares were converted into the
right to receive shares of Parent Common Stock pursuant to Section 1.6, cash in
lieu of any fractional shares pursuant to Section 1.6(f), and any dividends or
other distributions pursuant to Section 1.7(d), (i) a letter of transmittal
(which shall specify that delivery shall be effected, and risk of loss and
title to the Certificates shall pass, only upon delivery of the Certificates to
the Exchange Agent and shall contain such other provisions as Parent may
reasonably specify) and (ii) instructions for use in effecting the surrender of
the Certificates in exchange for certificates representing shares of Parent
Common Stock, cash in lieu of any fractional shares pursuant to Section 1.6(f)
and any dividends or


                                      -4-
<PAGE>

other distributions pursuant to Section 1.7(d). Upon surrender of Certificates
for cancellation to the Exchange Agent or to such other agent or agents as may
be appointed by Parent, together with such letter of transmittal, duly completed
and validly executed in accordance with the instructions thereto, the holders of
such Certificates shall be entitled to receive in exchange therefor certificates
representing the number of whole shares of Parent Common Stock into which their
shares of Company Common Stock were converted at the Effective Time, payment in
lieu of fractional shares which such holders have the right to receive pursuant
to Section 1.6(f) and any dividends or distributions payable pursuant to Section
1.7(d), and the Certificates so surrendered shall forthwith be cancelled. Until
so surrendered, outstanding Certificates will be deemed from and after the
Effective Time, for all corporate purposes, subject to Section 1.7(d) as to the
payment of dividends, to evidence only the ownership of the number of full
shares of Parent Common Stock into which such shares of Company Common Stock
shall have been so converted and the right to receive an amount in cash in lieu
of the issuance of any fractional shares in accordance with Section 1.6(f) and
any dividends or distributions payable pursuant to Section 1.7(d).

                (d)     DISTRIBUTIONS WITH RESPECT TO UNEXCHANGED SHARES. No
dividends or other distributions declared or made after the date of this
Agreement with respect to Parent Common Stock with a record date after the
Effective Time will be paid to the holders of any unsurrendered Certificate(s)
with respect to the shares of Parent Common Stock represented thereby until the
holders of record of such Certificate(s) shall surrender such Certificate(s).
Subject to applicable law, following surrender of any such Certificate(s), the
Exchange Agent shall deliver to the record holders thereof, without interest, a
certificate(s) representing whole shares of Parent Common Stock issued in
exchange therefor along with payment in lieu of fractional shares pursuant to
Section 1.6(f) hereof and the amount of any such dividends or other
distributions with a record date after the Effective Time payable with respect
to such whole shares of Parent Common Stock.

                (e)     TRANSFERS OF OWNERSHIP. If any certificate representing
shares of Parent Common Stock is to be issued in a name other than that in which
the Certificate surrendered in exchange therefor is registered, it will be a
condition of the issuance thereof that the Certificate so surrendered will be
properly endorsed and otherwise in proper form for transfer and that the persons
requesting such exchange will have paid any transfer or other taxes required by
reason of the issuance of certificates representing shares of Parent Common
Stock in any name other than that of the registered holder of the Certificates
surrendered, or established to the satisfaction of Parent or any agent
designated by it that such tax has been paid or is not payable.

                (f)     REQUIRED WITHHOLDING. Each of the Exchange Agent,
Parent, and the Surviving Corporation shall be entitled to deduct and withhold
from any consideration payable or otherwise deliverable pursuant to this
Agreement to any holder or former holder of Company Common Stock such amounts as
may be required to be deducted or withheld therefrom under the Code or under any
provision of state, local or foreign tax law or under any other applicable legal
requirement. To the extent such amounts are so deducted or withheld, such
amounts shall be treated for all purposes under this Agreement as having been
paid to the person to whom such amounts would otherwise have been paid.


                                      -5-
<PAGE>

                (g)     NO LIABILITY. Notwithstanding anything to the contrary
in this Section 1.7, neither of the Exchange Agent, Parent, the Surviving
Corporation, or any party hereto shall be liable to a holder of shares of Parent
Common Stock or Company Common Stock for any amount properly paid to a public
official pursuant to any applicable abandoned property, escheat, or similar law.

        1.8     NO FURTHER OWNERSHIP RIGHTS IN COMPANY COMMON STOCK.  All shares
of Parent Common Stock issued upon the surrender for exchange of Shares of
Company Common Stock in accordance with the terms hereof (together with any cash
paid in respect thereof pursuant to Section 1.6(f) and 1.7(d)) shall be deemed
to have been issued in full satisfaction of all rights pertaining to such shares
of Company Common Stock, and there shall be no further registration of transfers
on the records of the Surviving Corporation of shares of Company Common Stock
which were outstanding immediately prior to the Effective Time. If, after the
Effective Time, Certificates are presented to the Surviving Corporation for any
reason, they shall be cancelled and exchanged as provided in this Article I.

        1.9     LOST, STOLEN OR DESTROYED CERTIFICATES.  In the event that any
Certificate shall have been lost, stolen, or destroyed, the Exchange Agent shall
issue in exchange for such lost, stolen, or destroyed Certificates, upon the
making of an affidavit of that fact by the holder thereof, certificates
representing the shares of Parent Common Stock into which the shares of Company
Common Stock represented by such Certificates were converted pursuant to Section
1.6, cash for fractional shares, if any, as may be required pursuant to
Section 1.6(f) and any dividends or distributions payable pursuant to
Section 1.7(d); PROVIDED, HOWEVER, that Parent may, in its discretion and as a
condition precedent to the issuance of such certificates representing shares of
Parent Common Stock, cash, and other distributions, require the owner of such
lost, stolen, or destroyed Certificate to deliver a bond in such sum as it may
reasonably direct as indemnity against any claim that may be made against
Parent, the Surviving Corporation, or the Exchange Agent with respect to the
Certificates alleged to have been lost, stolen or destroyed.

        1.10    TAX AND ACCOUNTING CONSEQUENCES.

                (a)     It is intended by the parties hereto that the Merger
shall constitute a reorganization within the meaning of Section 368 of the Code.
The parties hereto adopt this Agreement as a "plan of reorganization" within the
meaning of Sections 1.368-2(g) and 1.368-3(a) of the United States Income Tax
Regulations.

                (b)     It is intended by the parties hereto that the Merger
shall be treated as a purchase for accounting purposes.

        1.11    TAKING OF NECESSARY ACTION; FURTHER ACTION.  If, at any time
after the Effective Time, any further action is necessary or desirable to carry
out the purposes of this Agreement and to vest the Surviving Corporation with
full right, title, and possession to all assets, property, rights, privileges,
powers and franchises of Company and Merger Sub, the officers and directors of
Company and Merger Sub are fully authorized in the manner of their respective
corporations or otherwise to take, and will take, all such lawful and necessary
action.


                                      -6-
<PAGE>

                                   ARTICLE II

                    REPRESENTATIONS AND WARRANTIES OF COMPANY

        As of the date hereof and as of the Closing Date, Company represents and
warrants to Parent and Merger Sub, subject to such exceptions as are
specifically disclosed in writing in the disclosure schedules, dated as of the
date hereof delivered by Company to Parent (the "COMPANY SCHEDULE"), as follows.
The Company Schedule shall be arranged in sections corresponding to the numbered
sections contained in this Article and the disclosure in any paragraph shall
qualify other sections in this Article only to the extent it is reasonably
apparent from a reading of such disclosure that it also qualifies such other
sections.

        2.1     ORGANIZATION AND QUALIFICATION; SUBSIDIARIES.

                (a)     Each of Company and its subsidiaries is a corporation
duly organized, validly existing and in good standing under the laws of the
jurisdiction of its incorporation and has the requisite corporate power and
authority to own, lease and operate its assets and properties and to carry on
its business as it is now being conducted. Each of Company and its subsidiaries
is in possession of all franchises, grants, authorizations, licenses, permits,
easements, consents, certificates, approvals and orders ("APPROVALS") necessary
to own, lease and operate the properties it purports to own, operate or lease
and to carry on its business as it is now being conducted, except where the
failure to have such Approvals would not, individually or in the aggregate, have
a Material Adverse Effect on Company. Each of Company and its subsidiaries is
duly qualified or licensed as a foreign corporation to do business, and is in
good standing, in each jurisdiction where the character of the properties owned,
leased or operated by it or the nature of its activities makes such
qualification or licensing necessary, except for such failures to be so duly
qualified or licensed and in good standing that would not, either individually
or in the aggregate, have a Material Adverse Effect on Company.

                (b)     Company has no subsidiaries except for the corporations
identified in Section 2.1(b) of the Company Schedule. Neither Company nor any of
its subsidiaries has agreed nor is obligated to make nor be bound by any
written, oral or other agreement, contract, subcontract, lease, binding
understanding, instrument, note, option, warranty, purchase order, license,
sublicense, insurance policy, benefit plan, commitment or undertaking of any
nature, as of the date hereof or as may hereafter be in effect (a "CONTRACT")
under which it may become obligated to make, any future investment in or capital
contribution to any other entity. Neither Company nor any of its subsidiaries
directly or indirectly owns any equity or similar interest in or any interest
convertible, exchangeable or exercisable for, any equity or similar interest in,
any corporation, partnership, joint venture or other business, association or
entity, other than passive investments in equity interests of public companies
constituting less than 5% interests therein as part of Company's cash management
program .

        2.2     ARTICLES OF INCORPORATION AND BYLAWS.  Company has previously
furnished to Parent a complete and correct copy of its Articles of Incorporation
and Bylaws as amended to date (together, the "COMPANY CHARTER DOCUMENTS"). Such
Company Charter Documents and equivalent


                                      -7-
<PAGE>

organizational documents of each of its subsidiaries are in full force and
effect. Company is not in violation of any of the provisions of the Company
Charter Documents, and no subsidiary of Company is in violation of its
equivalent organizational documents.

        2.3     Capitalization.

                (a)     The authorized capital stock of Company consists of
100,000,000 shares of Company Common Stock, par value $0.0001 per share, and
20,000,000 shares of Preferred Stock, without par value ("COMPANY PREFERRED
STOCK").  At the close of business on March 31, 2000, (i) 40,057,369 shares of
Company Common Stock were issued and outstanding, all of which are validly
issued, fully paid and nonassessable; (ii) 4,323,050 shares of Company Common
Stock were held in treasury by Company or by subsidiaries of Company;
(iii) 233,633 shares of Company Common Stock were available for future issuance
pursuant to Company's ESPP; (iv) 6,505,987 shares of Company Common Stock were
reserved for issuance upon the exercise of outstanding options to purchase
Company Common Stock under the Incentive Plan; (v) 346,874 shares of Company
Common Stock were reserved for issuance upon the exercise of outstanding options
to purchase Company Common Stock under the Director Plan; (vi) 266,168 shares of
Company Common Stock were reserved for issuance upon the exercise of outstanding
options to purchase Company Common Stock under the 1989 Plan;
(vii) 8,007,468 shares of Company Common Stock were reserved for issuance upon
the exercise of the Stock Option Agreement; (viii) 43,200 shares of Company
Common Stock were reserved for issuance upon the exercise of outstanding
warrants to purchase Company Common Stock (the "WARRANTS"); (ix) 106,473 shares
of Company Common Stock were available for future grant under the Incentive
Plan; (x) 83,814 shares of Company Common Stock were available for future grant
under the Director Plan; and (xi) no shares of Company Common Stock were
reserved for future grant under the 1989 Plan. As of the date hereof, no shares
of Company Preferred Stock were issued or outstanding. There are no commitments
or agreements of any character to which the Company is bound obligating the
Company to accelerate the vesting of any Company Stock Option as a result of the
Merger.

                (b)     Section 2.3(b) of the Company Schedule sets forth the
following information with respect to each Company Stock Option (as defined in
Section 5.8) outstanding as of the date of this Agreement: (i) the name and
address of the optionee; (ii) the particular plan pursuant to which such Company
Stock Option was granted; (iii) the number of shares of Company Common Stock
subject to such Company Stock Option; (iv) the exercise price of such Company
Stock Option; (v) the date on which such Company Stock Option was granted; (vi)
the applicable vesting schedule; and (vii) the date on which such Company Stock
Option expires. Company has made available to Parent accurate and complete
copies of all stock option plans pursuant to which the Company has granted such
Company Stock Options that are currently outstanding and the form of all stock
option agreements evidencing such Company Stock Options. All shares of Company
Common Stock subject to issuance as aforesaid, upon issuance on the terms and
conditions specified in the instrument pursuant to which they are issuable,
would be duly authorized, validly issued, fully paid and nonassessable.


                                      -8-
<PAGE>

                (c)     All outstanding shares of Company Common Stock, all
outstanding Company Stock Options, and all outstanding shares of capital stock
of each subsidiary of the Company have been issued and granted in compliance
with (i) all applicable securities laws and other applicable Legal Requirements
(as defined below) and (ii) all requirements set forth in applicable Contracts.
For the purposes of this Agreement, "LEGAL REQUIREMENTS" means any federal,
state, local, municipal, foreign or other law, statute, constitution, principle
of common law, resolution, ordinance, code, edict, decree, rule, regulation,
ruling or requirement issues, enacted, adopted, promulgated, implemented or
otherwise put into effect by or under the authority of any Governmental Entity
(as defined below) and (ii) all requirements set forth in applicable contracts,
agreements, and instruments.

                (d)     Section 2.3(d) of the Company Schedule describes the
interests of all persons in the subsidiaries of Company, other than interests
held by the Company or any other of its subsidiaries and other than interests of
subsidiaries held by certain nominee holders as required by the laws of a
subsidiary's jurisdiction of incorporation (which interests do not materially
affect the Company's control of such subsidiary).

                (e)     Except as set forth in Section 2.3(d) and except for the
Stock Option Agreement, there are no subscriptions, options, warrants, equity
securities, partnership interests or similar ownership interests, calls, rights
(including preemptive rights), commitments or agreements of any character to
which Company or any of its subsidiaries is a party or by which it is bound
obligating Company or any of its subsidiaries to issue, deliver or sell, or
cause to be issued, delivered or sold, or repurchase, redeem or otherwise
acquire, or cause the repurchase, redemption or acquisition of, any shares of
capital stock, partnership interests or similar ownership interests of the
Company or any of its subsidiaries or obligating the Company or any of its
subsidiaries to grant, extend, accelerate the vesting of or enter into any such
subscription, option, warrant, equity security, call, right, commitment or
agreement. As of the date of this Agreement, except as contemplated by this
Agreement, there are no registration rights and there is, except for the Company
Voting Agreements, no voting trust, proxy, rights plan, antitakeover plan or
other agreement or understanding to which the Company or any of its subsidiaries
is a party or by which they are bound with respect to any equity security of any
class of the Company or with respect to any equity security, partnership
interest or similar ownership interest of any class of any of its subsidiaries.
Shareholders of the Company will not be entitled to dissenters' rights under
Georgia Law in connection with the Merger.

        2.4     AUTHORITY RELATIVE TO THIS AGREEMENT.  Company has all necessary
corporate power and authority to execute and deliver this Agreement and the
Stock Option Agreement and to perform its obligations hereunder and thereunder
and, subject to obtaining the approval of the shareholders of Company of the
Merger, to consummate the transactions contemplated hereby and thereby. The
execution and delivery of this Agreement and the Stock Option Agreement by
Company and the consummation by Company of the transactions contemplated hereby
and thereby have been duly and validly authorized by all necessary corporate
action on the part of Company, and no other corporate proceedings on the part of
Company are necessary to authorize this Agreement and the Stock Option Agreement
or to consummate the transactions so contemplated (other than, with respect to
the Merger, the approval and adoption of this Agreement by holders of a majority
of the outstanding


                                      -9-
<PAGE>

shares of Company Common Stock in accordance with Georgia Law, the Company
Charter Documents) and duly adopted resolutions of the Board of Directors of
Company. This Agreement and the Stock Option Agreement have been duly and
validly executed and delivered by Company and, assuming the due authorization,
execution and delivery by Parent and Merger Sub, constitute legal and binding
obligations of Company, enforceable against Company in accordance with their
respective terms.

        2.5     NO CONFLICT; REQUIRED FILINGS AND CONSENTS.

                (a)     The execution and delivery of this Agreement and the
Stock Option Agreement by Company do not, and the performance of this Agreement
and the Stock Option Agreement by Company will not, (i) conflict with or violate
the Company Charter Documents or the equivalent organizational documents of any
of Company's subsidiaries; (ii) subject to obtaining the approval of Company's
shareholders of the Merger and compliance with the requirements set forth in
Section 2.5(b) below, conflict with, or result in any violation of, any law,
rule, regulation, order, judgment or decree applicable to Company or any of its
subsidiaries or by which either Company or any of its subsidiaries or any of
their respective properties is bound or affected; or (iii) result in any breach
of or constitute a default (or an event that with notice or lapse of time or
both would become a default) under, or impair Company's or any of its
subsidiaries' rights or alter the rights or obligations of any third party
under, or give to others any rights of termination, amendment, acceleration or
cancellation of, or result in the creation of a lien or encumbrance on any of
the properties or assets of Company or any of its subsidiaries pursuant to, any
note, bond, mortgage, indenture, contract, agreement, lease, license, permit,
franchise or other instrument or obligation to which Company or any of its
subsidiaries is a party or by which Company or any of its subsidiaries or its or
any of their respective properties are bound or affected. Except where such
conflict, violation, breach, default, impairment or other effect could not,
individually or in the aggregate, reasonably be expected to have a Material
Adverse Effect on Company.

                (b)     The execution and delivery of this Agreement and the
Stock Option Agreement by Company do not, and the performance of this Agreement
by Company will not, require any consent, waiver, approval, authorization or
permit of, or filing with or notification to, any court, administrative agency,
commission, governmental or regulatory authority, domestic or foreign (a
"GOVERNMENTAL ENTITY"), except (A) for applicable requirements, if any, of the
Securities Act of 1933, as amended (the "SECURITIES ACT"), the Securities
Exchange Act of 1934, as amended (the "EXCHANGE ACT"), state securities laws
("BLUE SKY LAWS"), the pre-merger notification requirements (the "HSR APPROVAL")
of the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the
"HSR ACT"), the rules and regulations of Nasdaq, and the filing and recordation
of the Certificate of Merger as required by Georgia Law and the Delaware
Certificate of Merger as required by Delaware Law and (B) where the failure to
obtain such consents, approvals, authorizations or permits, or to make such
filings or notifications, could not, individually or in the aggregate,
reasonably be expected to have a Material Adverse Effect on the parties hereto,
prevent consummation of the Merger or otherwise prevent the parties hereto from
performing their obligations under this Agreement.

        2.6     COMPLIANCE; PERMITS.


                                      -10-
<PAGE>

                (a)     Neither Company nor any of its subsidiaries is in
conflict with, or in default or violation of, (i) any law, rule, regulation,
order, judgment or decree applicable to Company or any of its subsidiaries or by
which its or any of their respective properties is bound or affected or (ii) any
note, bond, mortgage, indenture, contract, agreement, lease, license, permit,
franchise or other instrument or obligation to which Company or any of its
subsidiaries is a party or by which Company or any of its subsidiaries or its or
any of their respective properties is bound or affected, except for any
conflicts, defaults or violations that (individually or in the aggregate) would
not cause the Company to lose any material benefit or incur any material
liability. No investigation or review by any governmental or regulatory body or
authority is pending or, to the knowledge of Company, threatened against Company
or its subsidiaries, nor has any governmental or regulatory body or authority
indicated an intention to conduct the same, other than, in each such case, those
the outcome of which could not, individually or in the aggregate, reasonably be
expected to have the effect of prohibiting or materially impairing any business
practice of the Company or any of its subsidiaries, any acquisition of material
property by the Company or any of its subsidiaries or the conduct of business by
the Company or any of its subsidiaries.

                (b)     Company and its subsidiaries hold all permits, licenses,
variances, exemptions, orders and approvals from governmental authorities, the
absence of which could not reasonably be expected to have a Material Adverse
Effect on Company  (collectively, the "COMPANY PERMITS"). Company and its
subsidiaries are in compliance in all material respects with the terms of the
Company Permits.

        2.7     SEC FILINGS; FINANCIAL STATEMENTS.

                (a)     Company has made available to Parent a correct and
complete copy of each report, schedule, registration statement and definitive
proxy statement filed by Company with the Securities and Exchange Commission
("SEC") since December 31, 1999 (the "COMPANY SEC REPORTS"), which are all the
forms, reports and documents required to be filed by Company with the SEC since
December 31, 1999. The Company SEC Reports (A) were prepared in accordance with
the requirements of the Securities Act or the Exchange Act, as the case may be,
and (B) did not at the time they were filed (and if amended or superseded by a
filing prior to the date of this Agreement, then on the date of such filing)
contain any untrue statement of a material fact or omit to state a material fact
required to be stated therein or necessary in order to make the statements
therein, in light of the circumstances under which they were made, not
misleading. None of Company's subsidiaries is required to file any reports or
other documents with the SEC.

                (b)     Each of the consolidated financial statements
(including, in each case, any related notes thereto) contained in the Company
SEC Reports was prepared in accordance with generally accepted accounting
principles ("GAAP") applied on a consistent basis throughout the periods
involved (except as may be indicated in the notes thereto or, in the case of
unaudited financial statements, do not contain footnotes as permitted by the SEC
on Form 10-Q, Form 8-K or any successor form under the Exchange Act) and each
fairly presents the consolidated financial position of Company and its
subsidiaries at the respective dates thereof and the consolidated results of its
operations and cash flows for the periods indicated, except that the unaudited
interim financial


                                      -11-
<PAGE>

statements were or are subject to normal adjustments which were not or are not
expected to be material in amount.

                (c)     Company has previously furnished to Parent a complete
and correct copy of any amendments or modifications, which have not yet been
filed with the SEC but which are required to be filed, to agreements, documents
or other instruments which previously had been filed by Company with the SEC
pursuant to the Securities Act or the Exchange Act.

        2.8     NO UNDISCLOSED LIABILITIES.  Neither Company nor any of its
subsidiaries has any liabilities (absolute, accrued, contingent or otherwise)
which, individually or in the aggregate, could reasonably be expected to have a
Material Adverse Effect on Company and its subsidiaries taken as a whole, except
(i) liabilities provided for in Company's balance sheet as of December 31, 1999
and (ii) liabilities incurred since December 31, 1999 in the ordinary and usual
course of business, consistent with past practice.  None of the liabilities
described in the foregoing sections (i) or (ii) could reasonably be expected,
individually or in the aggregate, to have a Material Adverse Effect on Company.

        2.9     ABSENCE OF CERTAIN CHANGES OR EVENTS.  Since December 31, 1999,
there has not been: (i) any Material Adverse Effect on Company; (ii) any
declaration, setting aside or payment of any dividend on, or other distribution
(whether in cash, stock, or property) in respect of, any of Company's or any of
its subsidiaries' capital stock, or any purchase, redemption or other
acquisition by Company of any of Company's capital stock or any other securities
of Company or its subsidiaries or any options, warrants, calls or rights to
acquire any such shares or other securities except for repurchases from
employees following their termination pursuant to the terms of their
pre-existing stock option or purchase agreements; (iii) any split, combination
or reclassification of any of Company's or any of its subsidiaries' capital
stock; (iv) any granting by Company or any of its subsidiaries of any increase
in compensation or fringe benefits, except for normal increases of cash
compensation to non-officer employees in the ordinary and usual course of
business consistent with past practice, or any payment by Company or any of its
subsidiaries of any bonus, except for bonuses made to non-officer employees in
the ordinary course of business consistent with past practice, or any granting
by Company or any of its subsidiaries of any increase in severance or
termination pay or any entry by Company or any of its subsidiaries into any
currently effective employment, severance, termination or indemnification
agreement or any agreement the benefits of which are contingent or the terms of
which are materially altered upon the occurrence of a transaction involving
Company of the nature contemplated hereby; (v) entry by Company or any of its
subsidiaries into any licensing or other agreement with regard to the
acquisition or disposition of any Intellectual Property (as defined in Section
2.19) other than licenses in the ordinary and usual course of business,
consistent with past practice, or any amendment or consent with respect to any
licensing agreement filed or required to be filed by Company with the SEC;
(vi) any material change by Company in its accounting methods, principles or
practices, except as required by concurrent changes in GAAP; or (vii) any
material revaluation by Company of any of its assets, including, without
limitation, writing down the value of capitalized inventory or writing off notes
or accounts receivable or any sale of assets of the Company other than in the
ordinary and usual course of business, consistent with past practice.


                                      -12-
<PAGE>

        2.10    ABSENCE OF LITIGATION.  There are no claims, actions, suits or
proceedings pending or, to the knowledge of Company, threatened (or, to the
knowledge of Company, any governmental or regulatory investigation pending or
threatened) against Company or any of its subsidiaries or any properties or
rights of Company or any of its subsidiaries, before any court, arbitrator or
administrative, governmental or regulatory authority or body, domestic or
foreign which, if decided adversely to Company, could reasonably be expected to
have a Material Adverse Effect on Company.

        2.11    EMPLOYEE BENEFIT PLANS.

                (a)     All employee compensation, incentive, material fringe or
benefit plans, programs, policies, commitments or other arrangements or
remuneration of any kind (whether or not set forth in a written document and
including, without limitation, all "employee benefit plans" within the meaning
of Section 3(3) of the Employee Retirement Income Security Act of 1974, as
amended ("ERISA")) for the benefit of any active, former employee, director or
consultant of Company ("EMPLOYEE"), any domestic subsidiary of Company or any
trade or business (whether or not incorporated) which is a member of a
controlled group or which is under common control with Company within the
meaning of Section 414 of the Code (a "PLAN AFFILIATE"), or with respect to
which Company has or may in the future have liability, are listed in Section
2.11(a) of the Company Schedule (the "PLANS"); PROVIDED, HOWEVER, consulting
agreements not material to the Company's business or operations are not listed
on Schedule 2.11(a). Company has made available to Parent correct and complete
copies of all (i) documents embodying each Plan including (without limitation)
all amendments thereto, all related trust documents, and all material written
agreements and contracts relating to each such Plan; (ii) the three (3) most
recent annual reports (Form Series 5500 and all schedules and financial
statements attached thereto), if any, required under ERISA or the Code in
connection with each Plan; (iii) the most recent summary plan description
together with the summary(ies) of material modifications thereto, if any,
required under ERISA with respect to each Plan; (iv) all Internal Revenue
Service ("IRS") or United States Department of Labor ("DOL") determination,
opinion, notification and advisory letters; (v) all material correspondence to
or from any governmental agency relating to any Plan; (vi) all COBRA (as defined
below) forms and related notices (or such forms and notices as required under
comparable law);  (vii) all discrimination tests for each Plan for the most
recent three (3) plan years;  (viii) the most recent annual actuarial
valuations, if any, prepared for each Plan; (ix) if the Plan is funded, the most
recent annual and periodic accounting of Plan assets; (x) all material written
agreements and contracts relating to each Plan, including, but not limited to,
administrative service agreements, group annuity contracts and group insurance
contracts; (xi) all material communications to employees or former employees
regarding in each case, relating to any amendments, terminations,
establishments, increases or decreases in benefits, acceleration of payments or
vesting schedules or other events which would result in any material liability
under any Plan or proposed Plan; (xii) all policies pertaining to fiduciary
liability insurance covering the fiduciaries for each Plan; and (xiii) all
registration statements, annual reports (Form 11-K and all attachments thereto)
and prospectuses prepared in connection with any Plan.

                (b)     Each Plan has been established, maintained and
administered in all material respects in compliance with its terms and with the
requirements prescribed by any and all statutes,


                                      -13-
<PAGE>

orders, rules and regulations (foreign or domestic), including but not limited
to ERISA and the Code, which are applicable to such Plans. No suit, action or
other litigation (excluding claims for benefits incurred in the ordinary course
of Plan activities) is pending, or to the knowledge of Company, threatened,
against or with respect to any such Plan. There are no audits, inquiries or
proceedings pending or, to the knowledge of Company, threatened by the IRS or
DOL with respect to any Plan. All contributions, reserves or premium payments
required to be made or accrued as of the date hereof to the Plans have been
timely made or accrued. Any Plan intended to be qualified under Section 401(a)
of the Code and each trust intended to qualify under Section 501(a) of the Code
(i) has either obtained a favorable determination notification, advisory and/or
opinion letter, as applicable, as to its qualified status from the IRS or still
has a remaining period of time under applicable Treasury Regulations or IRS
pronouncements in which to apply for such letter and to make any amendments
necessary to obtain a favorable determination and (ii) incorporates or has been
amended to incorporate all provisions required to comply with the Tax Reform Act
of 1986 and subsequent legislation enacted on or before December 6, 1994.
Company does not have any plan or commitment to establish any new Plan, to
modify any Plan (except to the extent required by law or to conform any such
Plan to the requirements of any applicable law, in each case as previously
disclosed to Parent in writing, or as required by this Agreement), or to enter
into any new Plan. Each Plan (including any stock option plan in respect of
future stock grants) can be amended, terminated or otherwise discontinued after
the Effective Time in accordance with its terms, without liability to Parent,
Company or any of its Plan Affiliates (other than ordinary administration
expenses).

                (c)     Neither Company nor any Plan Affiliate has at any time
ever maintained, established, sponsored, participated in, or contributed to any
plan subject to Title IV of ERISA or Section 412 of the Code or to any multiple
employer plan, or to any plan described in Section 413 of the Code, at no time
has Company or any Plan Affiliate contributed to or been obligated to contribute
to any "multiemployer plan," as such term is defined in ERISA. Neither Company,
nor any of its Plan Affiliates, nor any officer or director of Company or any of
its Plan Affiliates is subject to any liability, penalty or tax under
Sections 4975 through 4980B of the Code or Title I of ERISA.  No "prohibited
transaction," within the meaning of Section 4975 of the Code or Sections 406 and
407 of ERISA, and not otherwise exempt under Section 408 of ERISA (or any
administrative class exemption thereunder) or Section 4975 of the Code, has
occurred with respect to any Plan.

                (d)     Neither Company nor any Plan Affiliate has, prior to the
Effective Time and in any material respect, violated any of the health
continuation requirements of the Consolidated Omnibus Budget Reconciliation Act
of 1985, as amended ("COBRA"), the requirements of the Family Medical Leave Act
of 1993, as amended, the requirements of the Women's Health and Cancer Rights
Act, as amended, the requirements of the Newborns' and Mothers' Health
Protection Act of 1996, as amended, or any similar provisions of state law
applicable to Employees of the Company or any of its Plan Affiliates. None of
the Plans promises or provides retiree health benefits to any person except as
required by applicable law, and neither Company nor any of its Plan Affiliates
has represented, promised or contracted (whether in oral or written form) to
provide such retiree benefits to any employee, former employee, director,
consultant or other person, except to the extent required by statute.


                                      -14-
<PAGE>

                (e)     Neither Company nor any of its subsidiaries is bound by
or subject to (and none of its respective assets or properties is bound by or
subject to) any arrangement with any labor union. No employee of Company or any
of its subsidiaries is represented by any labor union or covered by any
collective bargaining agreement and, to the knowledge of Company, no campaign to
establish such representation is in progress. There is no pending or, to the
knowledge of Company, threatened labor dispute involving Company or any of its
subsidiaries and any group of its employees nor has Company or any of its
subsidiaries experienced any labor interruptions over the past three (3) years,
and Company and its subsidiaries consider their relationships with their
employees to be good. The Company and its subsidiaries are in compliance in all
material respects with all applicable material foreign, federal, state and local
laws, rules and regulations respecting employment, employment practices, terms
and conditions of employment and wages and hours.

                (f)     Neither the execution and delivery of this Agreement nor
the consummation of the transactions contemplated hereby will (i) result in any
payment (including severance, unemployment compensation, golden parachute, bonus
or otherwise) becoming due to any shareholder, director or employee of Company
or any of its subsidiaries under any Plan or otherwise, (ii) materially increase
any benefits otherwise payable under any Plan, or (iii) result in the
acceleration of the time of payment or vesting of any such benefits.  Without
limiting the foregoing, no payment or benefit which will or maybe made by the
Company with respect to any person as a result of the transactions contemplated
by this Agreement will be characterized as an "excess parachute payment," within
the meaning of Section 280G(b)(1) of the Code.

                (g)     Each employee compensation, incentive, fringe or benefit
plans, program, policy, commitment or other remuneration of any kind (whether or
not set forth in a written document) that has been adopted or maintained by
Company or any Plan Affiliate, whether informally or formally, or with respect
to which Company or any Plan Affiliate will or may have any liability, for the
benefit of Employees who perform services outside the United States (each an
"INTERNATIONAL EMPLOYEE PLAN") has been established, maintained and administered
in compliance with its terms and conditions and with the requirements prescribed
by any and all statutory or regulatory laws that are applicable to such
International Employee Plan.  Furthermore, no International Employee Plan has
unfunded liabilities, that as of the Effective Time, will not be offset by
insurance or fully accrued.  Except as required by law, no condition exists that
would prevent Company or Parent from terminating or amending any International
Employee Plan at any time for any reason without liability to Company or its
Plan Affiliates (other than ordinary administration expenses or routine claims
for benefits).

        2.12    LABOR MATTERS.  (i) There are no controversies pending or, to
the knowledge of each of Company and its respective subsidiaries, threatened,
between Company or any of its subsidiaries and any of their respective employees
that would reasonably be expected, individually or in the aggregate, to have a
Material Adverse Effect on Company; (ii) as of the date of this Agreement,
neither Company nor any of its subsidiaries is a party to any collective
bargaining agreement or other labor union contract applicable to persons
employed by Company or its subsidiaries nor does Company or its subsidiaries
know of any activities or proceedings of any labor union to organize any such
employees; and (iii) as of the date of this Agreement, neither Company nor any
of its


                                      -15-
<PAGE>

subsidiaries has any knowledge of any strikes, slowdowns, work stoppages or
lockouts, or threats thereof, by or with respect to any employees of Company or
any of its subsidiaries.

        2.13    REGISTRATION STATEMENT/JOINT PROXY STATEMENT/PROSPECTUS.  None
of the information supplied or to be supplied by Company for inclusion or
incorporation by reference in (i) the registration statement on Form S-4 to be
filed with the SEC by Parent in connection with the issuance of the Parent
Common Stock in or as a result of the Merger (the "S-4") will, at the time the
S-4 becomes effective under the Securities Act, 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, in light of the
circumstances under which they are made, not misleading; and (ii) the joint
proxy statement/prospectus to be filed with the SEC by Company pursuant to
Section 5.1 hereof (the "JOINT PROXY STATEMENT/PROSPECTUS") will, at the dates
mailed to the shareholders of Company, at the times of the shareholders meeting
of Company (the "COMPANY SHAREHOLDERS' MEETING") in connection with the
transactions contemplated hereby, at the dates mailed to the stockholders of
Parent, at the times of the stockholders' meeting of Parent (the "PARENT
STOCKHOLDERS' MEETING") in connection with the Share Issuance and as of the
Effective Time, 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, in light of the circumstances under which they are made,
not misleading. The Joint Proxy Statement/Prospectus will comply as to form in
all material respects with the provisions of the Exchange Act and the rules and
regulations promulgated by the SEC thereunder. Notwithstanding the foregoing,
the Company makes no representation or warranty with respect to any information
supplied by Parent or Merger Sub which is contained in any of the foregoing
documents.

        2.14    RESTRICTIONS ON BUSINESS ACTIVITIES.  There is no agreement,
commitment, judgment, injunction, order or decree binding upon Company or its
subsidiaries or to which the Company or any of its subsidiaries is a party which
has or could reasonably be expected to have the effect of prohibiting or
materially impairing any business practice of Company or any of its
subsidiaries, any acquisition of property by Company or any of its subsidiaries
or the conduct of business by Company or any of its subsidiaries as currently
conducted.

        2.15    TITLE TO PROPERTY.  Neither Company nor any of its subsidiaries
owns any material real property.  Company and each of its subsidiaries have good
and valid title to all of their material properties and assets, free and clear
of all liens, charges and encumbrances except liens for taxes not yet due and
payable and such liens or other imperfections of title, if any, as do not
materially detract from the value of or interfere with the present use of the
property affected thereby; and all leases pursuant to which Company or any of
its subsidiaries lease from others material real or personal property are in
good standing, valid and effective in accordance with their respective terms,
and there is not, under any of such leases, any existing material default or
event of default (or any event which with notice or lapse of time, or both,
would constitute a material default and in respect of which Company or
subsidiary has not taken adequate steps to prevent such default from occurring).
All the plants, structures and equipment of Company and its subsidiaries, except
such as may be under construction, are in good operating condition and repair,
in all material respects.

        2.16    TAXES.


                                      -16-
<PAGE>

                (a)     For the purposes of this Agreement, "TAX" or "TAXES"
refers to any and all federal, state, local and foreign taxes, assessments and
other governmental charges, duties, impositions and liabilities relating to
taxes, including taxes based upon or measured by gross receipts, income,
profits, sales, use and occupation, and value added, ad valorem, transfer,
franchise, withholding, payroll, recapture, employment, excise and property
taxes, together with all interest, penalties and additions imposed with respect
to such amounts and any obligations under any agreements or arrangements with
any other person with respect to such amounts and including any liability for
taxes of a predecessor entity.

                        (b)     (i)     The Company and each of its subsidiaries
have timely filed all federal, state, local and foreign returns, estimates,
information statements and reports ("RETURNS") relating to Taxes required to be
filed by the Company and each of its subsidiaries with any Tax authority, except
Returns which are not material to the Company. Such returns are true and correct
in all material respects and have been completed in accordance with applicable
law, and the Company and each of its subsidiaries have paid all Taxes shown to
be due on such Returns.

                        (ii)    The Company and each of its subsidiaries as of
the Effective Time will have withheld with respect to its employees all federal
and state income taxes, Taxes pursuant to the Federal Insurance Contribution
Act, Taxes pursuant to the Federal Unemployment Tax Act and other Taxes required
to be withheld, except Taxes which are not material to the Company.

                        (iii)   Neither the Company nor any of its subsidiaries
has been delinquent in the payment of any material Tax nor is there any material
Tax deficiency outstanding, proposed or assessed against the Company or any of
its subsidiaries, nor has the Company or any of its subsidiaries executed any
unexpired waiver of any statute of limitations on or extending the period for
the assessment or collection of any Tax.

                        (iv)    No audit or other examination of any Return of
the Company or any of its subsidiaries by any Tax authority is presently in
progress, nor has the Company or any of its subsidiaries been notified of any
request for such an audit or other examination.

                        (v)     No adjustment relating to any Returns filed by
the Company or any of its subsidiaries has been proposed in writing formally or
informally by any Tax authority to the Company or any of its subsidiaries or any
representative thereof.

                        (vi)    Neither the Company nor any of its subsidiaries
has any liability for any material unpaid Taxes which has not been accrued for
or reserved on the Company balance sheet dated December 31, 1999 in accordance
with GAAP, whether asserted or unasserted, contingent or otherwise, which is
material to the Company, other than any liability for unpaid Taxes that may have
accrued since June 30, 1999 in connection with the operation of the business of
the Company and its subsidiaries in the ordinary course.

                        (vii)   There is no contract, agreement, plan or
arrangement to which the Company or any of its subsidiaries is a party as of the
date of this Agreement, including but not limited to the provisions of this
Agreement, covering any employee or former employee of the Company or any of its
subsidiaries that, individually or collectively, would reasonably be expected to


                                      -17-
<PAGE>

give rise to the payment of any amount that would not be deductible pursuant to
Sections 280G, 404 or 162(m) of the Code. There is no contract, agreement, plan
or arrangement to which the Company or any of its subsidiaries is a party or by
which it is bound to compensate any individual for excise taxes paid pursuant to
Section 4999 of the Code.

                        (viii)  Neither the Company nor any of its subsidiaries
has filed any consent agreement under Section 341(f) of the Code or agreed to
have Section 341(f)(2) of the Code apply to any disposition of a subsection (f)
asset (as defined in Section 341(f)(4) of the Code) owned by the Company or any
of its subsidiaries.

                        (ix)    Neither the Company nor any of its subsidiaries
is party to or has any obligation under any tax-sharing, tax indemnity or tax
allocation agreement or arrangement.

                        (x)     None of the Company's or its subsidiaries'
assets are tax exempt use property within the meaning of Section 168(h) of the
Code.

        2.17    ENVIRONMENTAL MATTERS.  Company (i) has obtained all applicable
permits, licenses and other authorizations that are required under Environmental
Laws the absence of which would have a Material Adverse Effect on Company; and
(ii) is in compliance in all material respects with all material terms and
conditions of such required permits, licenses and authorizations, and also is in
compliance in all material respects with all other material limitations,
restrictions, conditions, standards, prohibitions, requirements, obligations,
schedules and timetables contained in such laws or contained in any regulation,
code, plan, order, decree, judgment, notice or demand letter issued, entered,
promulgated or approved thereunder.  "ENVIRONMENTAL LAWS" means all Federal,
state, local and foreign laws and regulations relating to pollution of the
environment (including ambient air, surface water, ground water, land surface or
subsurface strata) or the protection of human health and worker safety,
including, without limitation, laws and regulations relating to emissions,
discharges, releases or threatened releases of Hazardous Materials, or otherwise
relating to the manufacture, processing, distribution, use, treatment, storage,
disposal, transport or handling of Hazardous Materials.  "HAZARDOUS MATERIALS"
means chemicals, pollutants, contaminants, wastes, toxic substances, radioactive
and biological materials, asbestos-containing materials, hazardous substances,
petroleum and petroleum products or any fraction thereof, excluding, however,
Hazardous Materials contained in products typically used for office and
janitorial purposes properly and safely maintained in accordance with
Environmental Laws.

        2.18    Brokers.  Except for fees payable to Goldman Sachs & Co.
pursuant to an engagement letter dated March 21, 2000, a copy of which has been
provided to Parent, Company has not incurred, nor will it incur, directly or
indirectly, any liability for brokerage or finders' fees or agents' commissions
or any similar charges in connection with this Agreement or any transaction
contemplated hereby

        2.19    INTELLECTUAL PROPERTY.  For the purposes of this Agreement, the
following terms have the following definitions:


                                      -18-
<PAGE>

        "INTELLECTUAL PROPERTY" shall mean any or all of the following and all
        rights in, or arising out of:  (i) all United States and foreign patents
        and applications therefor and all reissues, divisions, renewals,
        extensions, provisionals, continuations and continuations-in-part
        thereof ("PATENTS"); (ii) all inventions (whether patentable or not),
        invention disclosures, improvements, trade secrets, proprietary
        information, know how, technology, technical data and customer lists,
        and all documentation relating to any of the foregoing; (iii) all
        copyrights, copyright registrations and applications therefor and all
        other rights corresponding thereto throughout the world; (iv) all
        semiconductor and semiconductor circuit designs; (v) all rights to all
        mask works and reticles, mask work registrations and applications
        therefor; (vi) all industrial designs and any registrations and
        applications therefor throughout the world; (vii) all trade names,
        logos, common law trademarks and service marks; trademark and service
        mark registrations and applications therefor and all goodwill associated
        therewith throughout the world; (viii) all databases and data
        collections and all rights therein throughout the world; (ix) all
        computer software including all source code, object code, firmware,
        development tools, files, records and data, all media on which any of
        the foregoing is recorded, all Web addresses, sites and domain names;
        (x) any similar, corresponding or equivalent rights to any of the
        foregoing; and (xi) all documentation related to any of the foregoing

        "COMPANY INTELLECTUAL PROPERTY" shall mean any Intellectual Property
        that is owned by or exclusively licensed to the Company or any of its
        subsidiaries.  Without in any way limiting the generality of the
        foregoing, Company Intellectual Property includes all Intellectual
        Property owned or licensed by the Company related to the Company's
        products, including without limitation all rights in any design code,
        documentation, and tooling for packaging of semiconductors in connection
        with all current products and products in design and development.

        "REGISTERED INTELLECTUAL PROPERTY" shall mean all United States,
        international and foreign: (i) patents, patent applications (including
        provisional applications); (ii) registered trademarks, applications to
        register trademarks, intent-to-use applications, or other registrations
        or applications related to trademarks; (iii) registered copyrights and
        applications for copyright registration; (iv) any mask work
        registrations and applications to register mask works; and (v) any other
        Company Intellectual Property that is the subject of an application,
        certificate, filing, registration or other document issued by, filed
        with, or recorded by, any state, government or other public legal
        authority

        "COMPANY REGISTERED INTELLECTUAL PROPERTY" means all of the Registered
        Intellectual Property owned by, or filed in the name of, the Company or
        any of its subsidiaries.

                (a)     Section 2.19(a) of the Company Schedule is a complete
and accurate list of all Company Registered Intellectual Property and specifies,
where applicable, the jurisdictions in which each such item of Company
Registered Intellectual Property has been issued or registered and lists any
proceedings or actions before any court, tribunal (including the United States
Patent and


                                      -19-
<PAGE>

Trademark Office (the "PTO") or equivalent authority anywhere in the world)
related to any of the Company Registered Intellectual Property.

                (b)     Company has made available to Parent  a complete and
accurate price list of all products and services currently offered by Company or
any of its subsidiaries ("COMPANY PRODUCTS").

                (c)     No Company Intellectual Property or Company Product is
subject to any proceeding or outstanding decree, order, judgment, contract,
license, agreement, or stipulation restricting in any manner the use, transfer,
or licensing thereof by Company or any of its subsidiaries, or which may affect
the validity, use or enforceability of such Company Intellectual Property or
Company Product, except for provisions contained in the documents granting
licenses as ownership to any portion of the Company Intellectual Property or
Company Product and in amendments thereto and provisions of licenses granted to
customers of Company.

                (d)     Each material item of Company Registered Intellectual
Property is valid and subsisting, all necessary registration, maintenance and
renewal fees currently due in connection with such Company Registered
Intellectual Property have been made and all necessary documents, recordations
and certificates in connection with such Company Registered Intellectual
Property have been filed with the relevant patent, copyright, trademark or other
authorities in the United States or foreign jurisdictions, as the case may be,
for the purposes of maintaining such Company Registered Intellectual Property.

                (e)     Company owns and has good and exclusive title to, each
material item of Company Intellectual Property free and clear of any lien or
encumbrance (excluding non-exclusive licenses and related restrictions granted
in the ordinary course).  Without limiting the foregoing: (i) Company is the
exclusive owner of all trademarks and trade names used in connection with the
operation or conduct of the business of Company and its subsidiaries, including
the sale, distribution or provision of any Company Products by Company or its
subsidiaries; (ii) Company owns exclusively, and has good title to, all
copyrighted works that are Company Products or which Company or any of its
subsidiaries otherwise purports to own; and (iii) to the extent that any Patents
would be infringed by any Company Products, Company is the exclusive owner of
such Patents.

                (f)     To the extent that any technology, software or material
Intellectual Property has been developed or created independently or jointly by
a third party for Company or any of its subsidiaries or is incorporated into any
of the Company Products, Company has a written agreement with such third party
with respect thereto and Company thereby either (i) has obtained ownership of,
and is the exclusive owner of, or (ii) has obtained a perpetual, non-terminable
license (sufficient for the conduct of its business as currently conducted and
as proposed to be conducted) to all such third party's Intellectual Property in
such work, material or invention by operation of law or by valid assignment, to
the fullest extent it is legally possible to do so.

                (g)     Neither Company nor any of its subsidiaries has
transferred ownership of, or granted any exclusive license with respect to, any
Intellectual Property that is or was material


                                      -20-
<PAGE>

Company Intellectual Property, to any third party, or permitted Company's rights
in such material Company Intellectual Property to lapse or enter the public
domain.

                (h)     Section 2.19(h) of the Company Schedule lists all
material contracts, licenses and agreements to which Company or any of its
subsidiaries is a party: (i) with respect to Company Intellectual Property
licensed or transferred to any third party (other than end-user licenses in the
ordinary course); or (ii) pursuant to which a third party has licensed or
transferred any material Intellectual Property to Company.

                (i)     All material contracts, licenses and agreements relating
to either (i) Company Intellectual Property or (ii) Intellectual Property of a
third party licensed to Company or any of its subsidiaries, are in full force
and effect. The consummation of the transactions contemplated by this Agreement
will neither violate nor result in the breach, modification, cancellation,
termination or suspension of such contracts, licenses and agreements. Each of
Company and its subsidiaries is in material compliance with, and has not
materially breached any term of any such contracts, licenses and agreements and,
to the knowledge of Company, all other parties to such contracts, licenses and
agreements are in compliance with, and have not materially breached any term of,
such contracts, licenses and agreements. Following the Closing Date, the
Surviving Corporation will be permitted to exercise all of Company's rights
under such contracts, licenses and agreements to the same extent Company and its
subsidiaries would have been able to had the transactions contemplated by this
Agreement not occurred and without the payment of any additional amounts or
consideration other than ongoing fees, royalties or payments which Company would
otherwise be required to pay. Neither this Agreement nor the transactions
contemplated by this Agreement, including the assignment to Parent or Merger Sub
by operation of law or otherwise of any contracts or agreements to which the
Company is a party, will result in (i) either Parent's or the Merger Sub's
granting to any third party any right to or with respect to any material
Intellectual Property right owned by, or licensed to, either of them, (ii)
either the Parent's or the Merger Sub's being bound by, or subject to, any
non-compete or other material restriction on the operation or scope of their
respective businesses, or (iii) either the Parent's or the Merger Sub's being
obligated to pay any royalties or other material amounts to any third party in
excess of those payable by Parent or Merger Sub, respectively, prior to the
Closing.

                (j)     The operation of the business of the Company and its
subsidiaries as such business currently is conducted, including (i) Company's
and its subsidiaries' design, development, manufacture, distribution,
reproduction, marketing or sale of the products or services of Company and its
subsidiaries (including Company Products) and (ii) the Company's use of any
product, device or process, has not, does not and will not infringe or
misappropriate the Intellectual Property of any third party or constitute unfair
competition or trade practices under the laws of any jurisdiction.

                (k)     Neither Company nor any of its subsidiaries has received
notice from any third party that the operation of the business of Company or any
of its subsidiaries or any act, product or service of Company or any of its
subsidiaries, infringes or misappropriates the Intellectual Property of any
third party or constitutes unfair competition or trade practices under the laws
of any jurisdiction.


                                      -21-
<PAGE>

                (l)     To the knowledge of Company, no person has or is
infringing or misappropriating any Company Intellectual Property.

                (m)     Company and each of its subsidiaries has taken
reasonable steps to protect Company's and its subsidiaries' rights in Company's
confidential information and trade secrets that it wishes to protect or any
trade secrets or confidential information of third parties provided to Company
or any of its subsidiaries, and, without limiting the foregoing, each of Company
and its subsidiaries has and enforces a policy requiring each employee and
contractor to execute a proprietary information/confidentiality agreement
substantially in the form provided to Parent and all current and former
employees and contractors of Company and any of its subsidiaries have executed
such an agreement, except where the failure to do so is not reasonably expected
to be material to Company.

        2.20    AGREEMENTS, CONTRACTS AND COMMITMENTS.  Neither Company nor any
of its subsidiaries is a party to or is bound by:

                (a)     any employment or consulting agreement, contract or
commitment with any officer or member of Company's Board of Directors, other
than those that are terminable by Company or any of its subsidiaries on no more
than thirty (30) days' notice without liability or financial obligation to the
Company (other than termination provisions provided by law);

                (b)     any agreement or plan for the benefit of any director,
employee or consultant, including, without limitation, any stock option plan,
stock appreciation right plan or stock purchase plan, any of the benefits of
which will be increased, or the vesting of benefits of which will be
accelerated, by the occurrence of any of the transactions contemplated by this
Agreement or the value of any of the benefits of which will be calculated on the
basis of any of the transactions contemplated by this Agreement;

                (c)     any agreement of indemnification or any guaranty other
than any agreement of indemnification entered into in connection with the sale
or license of software products in the ordinary course of business or guaranty
of a subsidiary's obligation by Company;

                (d)     any agreement, contract or commitment containing any
covenant limiting in any respect the right of Company or any of its subsidiaries
to engage in any line of business or to compete with any person or granting any
exclusive distribution rights;

                (e)     any agreement, contract or commitment currently in force
relating to the disposition or acquisition by Company or any of its subsidiaries
after the date of this Agreement of a material amount of assets not in the
ordinary course of business or pursuant to which Company or any of its
subsidiaries has any material ownership interest in any corporation,
partnership, joint venture or other business enterprise other than Company's
subsidiaries;

                (f)     any dealer, distributor, joint marketing or development
agreement (other than reseller agreements not material to Company's business)
currently in force under which Company or any of its subsidiaries have
continuing material obligations to jointly market any product, technology or
service and which may not be canceled without penalty upon notice of ninety (90)
days or less;


                                      -22-
<PAGE>

                (g)     any agreement, contract or commitment currently in force
to provide source code to any third party for any product or technology that is
material to Company and its subsidiaries taken as a whole (other than
(i) licenses granted in the ordinary course of business to the Company's
customers to use (but not to copy, sublicense, market, or otherwise distribute)
source code that do not in any way impair Company's ownership interests in such
source code and (ii) agreements requiring the Company to place source code in
escrow for the benefit of a customer in the event of the Company's default,
bankruptcy, insolvency, or similar event);

                (h)     any agreement, contract or commitment currently in force
to license any third party to manufacture or reproduce any Company product,
service or technology, or any agreement, contract or commitment currently in
force to sell or distribute any Company products, service or technology except
agreements with distributors or sales representative in the normal course of
business cancelable without penalty upon notice of ninety (90) days or less and
substantially in the form previously provided to Parent;

                (i)     any mortgages, indentures, guarantees, loans or credit
agreements, security agreements or other agreements or instruments relating to
the borrowing of money or extension of credit in excess of $250,000 individually
or $500,000 in the aggregate, other than between Company and its subsidiaries
and except as disclosed in the Company's balance sheet as of December 31, 1999
or in the related footnotes;

                (j)     any settlement agreement entered into within three (3)
years prior to the date of this Agreement that involves a continuing material
obligation of Company; or

                (k)     any other agreement that has an aggregate value of (or
represents future aggregate obligations in excess of) $2,000,000 or more
individually.

        Neither Company nor any of its subsidiaries, nor to Company's knowledge
any other party to a Company Contract (as defined below), is in breach,
violation or default under, and neither Company nor any of its subsidiaries has
received written notice that it has breached, violated or defaulted under, any
of the terms or conditions of any of the agreements, contracts or commitments to
which Company or any of its subsidiaries is a party or by which it is bound that
are required to be disclosed in the Company Schedule (any such agreement,
contract or commitment, a "COMPANY CONTRACT") in such a manner as would permit
any other party to cancel or terminate any such Company Contract, or would
permit any other party to seek damages or other remedies (for any or all of such
breaches, violations or defaults, in the aggregate), the effect of which would
not, individually or in the aggregate have a Material Adverse Effect on Company.

        2.21    INSURANCE.  Company maintains insurance policies and fidelity
bonds covering the assets, business, equipment, properties, operations,
employees, officers and directors of Company and its subsidiaries (collectively,
the "INSURANCE POLICIES") which are of the type and in amounts customarily
carried by persons conducting businesses similar to those of Company and its
subsidiaries. There is no material claim by Company or any of its subsidiaries
pending under any of the material Insurance Policies as to which coverage has
been questioned, denied or disputed by the underwriters of such policies or
bonds.


                                      -23-
<PAGE>

        2.22    OPINION OF FINANCIAL ADVISOR.  Company has been advised by its
financial advisor, Goldman Sachs & Co., that in its opinion, as of the date of
this Agreement, the Exchange Ratio is fair to the shareholders of Company from a
financial point of view.  Company shall provide Parent a copy of the written
confirmation of such opinion, dated as of the date of this Agreement, promptly
after receipt thereof.

        2.23    BOARD APPROVAL.  The Board of Directors of Company has, as of
the date of this Agreement, unanimously (i) approved and declared advisable this
Agreement and has approved the Merger and the other transactions contemplated
hereby, (ii) determined that the Merger is consistent with and in furtherance of
the long-term business strategy of Company and fair to, and in the best
interests of, Company and its shareholders and (iii) determined to recommended
that the shareholders of Company adopt and approve this Agreement and approve
the Merger.

        2.24    VOTE REQUIRED.  The affirmative vote of a majority of the votes
that holders of the outstanding shares of Company Common Stock are entitled to
vote with respect to the Merger is the only vote of the holders of any class or
series of Company's capital stock necessary to approve this Agreement and the
transactions contemplated hereby.

        2.25    STATE TAKEOVER STATUTES.  The Board of Directors of the Company
has approved the Merger, the Merger Agreement, the Stock Option Agreement, the
Company Voting Agreements and the transactions contemplated hereby and thereby,
and such approval is sufficient to render inapplicable to the Merger, the Merger
Agreement, the Stock Option Agreement, the Company Voting Agreements and the
transactions contemplated hereby and thereby the provisions of Code Section
14-2-1110 et seq. and 14-2-1131 et seq. of the Georgia Law to the extent, if
any, such section is applicable to the Merger, the Merger Agreement, the Stock
Option Agreement, the Company Voting Agreements and the transactions
contemplated hereby and thereby.  To Company's knowledge, no other state
takeover statute or similar statute or regulation applies to or purports to
apply to the Merger, the Merger Agreement, the Stock Option Agreement, the
Company Voting Agreements or the transactions contemplated hereby and thereby.

                                   ARTICLE III

             REPRESENTATIONS AND WARRANTIES OF PARENT AND MERGER SUB

        Parent and Merger Sub jointly and severally represent and warrant to
Company, subject to such exceptions as are specifically disclosed in writing in
the disclosure schedules dated as of the date hereof  delivered by Parent to
Company (the "PARENT SCHEDULE"), as follows. The Parent Schedule shall be
arranged in sections corresponding to the numbered sections contained in this
Article and the disclosure in any paragraph shall qualify other sections in this
Article only to the extent it is reasonably apparent from a reading of such
disclosure that it also qualifies such other sections.

        3.1     ORGANIZATION AND QUALIFICATION; SUBSIDIARIES.  Each of Parent
and its subsidiaries is a corporation duly organized, validly existing and in
good standing under the laws of the jurisdiction of its incorporation and has
the requisite corporate power and authority to own, lease and operate its


                                      -24-
<PAGE>

assets and properties and to carry on its business as it is now being conducted,
except where the failure to do so would not, individually or in the aggregate,
have a Material Adverse Effect on Parent. Each of Parent and its subsidiaries is
in possession of all Approvals necessary to own, lease and operate the
properties it purports to own, operate or lease and to carry on its business as
it is now being conducted, except where the failure to have such Approvals would
not, individually or in the aggregate, have a Material Adverse Effect on Parent.
Each of Parent and its subsidiaries is duly qualified or licensed as a foreign
corporation to do business, and is in good standing, in each jurisdiction where
the character of the properties owned, leased or operated by it or the nature of
its activities makes such qualification or licensing necessary, except for such
failures to be so duly qualified or licensed and in good standing that would
not, either individually or in the aggregate, have a Material Adverse Effect on
Parent.

        3.2     CERTIFICATE OF INCORPORATION AND BYLAWS.  Parent has previously
furnished to Company  complete and correct copies of its Certificate of
Incorporation and Bylaws as amended to date (together, the "PARENT CHARTER
DOCUMENTS"). Such Parent Charter Documents and equivalent organizational
documents of each of its subsidiaries are in full force and effect. Parent is
not in violation of any of the provisions of the Parent Charter Documents, and
no subsidiary of Parent is in violation of any of its equivalent organizational
documents.

        3.3     CAPITALIZATION.  The authorized capital stock of Parent consists
of (i) 200,000,000 shares of Parent Common Stock, and (ii) 5,000,000 shares of
Preferred Stock, $0.001 par value per share ("PARENT PREFERRED STOCK").  At the
close of business on March 31, 2000, (i) 109,228,419 shares of Parent Common
Stock were issued and outstanding, (ii) 157,472 shares of Parent Common Stock
were held in treasury by Parent or by subsidiaries of Parent, (iii) 609,764
shares of Parent Common Stock were reserved for future issuance pursuant to
Parent's employee stock purchase plan, and (iv) 19,853,100 shares of Parent
Common Stock were reserved for issuance upon the exercise of outstanding options
to purchase Parent Common Stock.  As of the date hereof, no shares of Parent
Preferred Stock were issued or outstanding. The authorized capital stock of
Merger Sub consists of 1,000 shares of common stock, par value $0.001 per share,
all of which, as of the date hereof, are issued and outstanding.

        3.4     PARENT COMMON STOCK.  The Parent Common Stock to be issued
pursuant to the Merger has been duly authorized and will, when issued in
accordance with this Agreement be validly issued, fully paid, and unassessable
and will not be subject to any restrictions on resale under the Securities Act,
other than restrictions imposed by Rule 145 under the Securities Act.

        3.5     AUTHORITY RELATIVE TO THIS AGREEMENT.  Each of Parent and Merger
Sub has all necessary corporate power and authority to execute and deliver this
Agreement and the Stock Option Agreement and to perform its obligations
hereunder and thereunder and to consummate the transactions contemplated hereby
and thereby. The execution and delivery of this Agreement and the Stock Option
Agreement by Parent and Merger Sub and the consummation by Parent and Merger Sub
of the transactions contemplated hereby and thereby have been duly and validly
authorized by all necessary corporate action on the part of Parent and Merger
Sub, and no other corporate proceedings on the part of Parent or Merger Sub are
necessary to authorize this Agreement and the Stock Option Agreement, or to
consummate the transactions so contemplated, subject only to the approval of the


                                      -25-
<PAGE>

Share Issuance by Parent's stockholders and the filing of the Certificate of
Merger pursuant to Georgia Law and the Delaware Certificate of Merger pursuant
to Delaware Law. This Agreement and the Stock Option Agreement have been duly
and validly executed and delivered by Parent and Merger Sub and, assuming the
due authorization, execution and delivery by Company, constitute legal and
binding obligations of Parent and Merger Sub, enforceable against Parent and
Merger Sub in accordance with their respective terms.

        3.6     SEC FILINGS; FINANCIAL STATEMENTS.

                (a)     Parent has made available to Company a correct and
complete copy of each report, schedule, registration statement and definitive
proxy statement filed by Parent with the SEC on or after April 1, 1999 (the
"PARENT SEC REPORTS"), which are all the forms, reports and documents required
to be filed by Parent with the SEC since April 1, 1999. The Parent SEC Reports
(A) were prepared in accordance with the requirements of the Securities Act or
the Exchange Act, as the case may be, and (B) did not at the time they were
filed (or if amended or superseded by a filing prior to the date of this
Agreement, then on the date of such filing) contain any untrue statement of a
material fact or omit to state a material fact required to be stated therein or
necessary in order to make the statements therein, in light of the circumstances
under which they were made, not misleading. None of Parent's subsidiaries is
required to file any reports or other documents with the SEC.

                (b)     Each of the consolidated financial statements
(including, in each case, any related notes thereto) contained in the Parent SEC
Reports was prepared in accordance with GAAP applied on a consistent basis
throughout the periods involved (except as may be indicated in the notes thereto
or, in the case of unaudited statements, do not contain footnotes as permitted
by Form 10-Q of the Exchange Act) and each fairly presents the consolidated
financial position of Parent and its subsidiaries at the respective dates
thereof and the consolidated results of its operations and cash flows for the
periods indicated, except that the unaudited interim financial statements were
or are subject to normal adjustments which were not or are not expected to be
material in amount.

                (c)     Parent has previously furnished to Company a complete
and correct copy of any amendments or modifications, which have not yet been
filed with the SEC but which are required to be filed, to agreements, documents
or other instruments which previously had been filed by Parent with the SEC
pursuant to the Securities Act or the Exchange Act.

        3.7     NO UNDISCLOSED LIABILITIES.  Neither Parent nor any of its
subsidiaries has any liabilities (absolute, accrued, contingent, or otherwise),
which, individually or in the aggregate, could reasonably be expected to have a
Material Adverse Effect on Parent and its subsidiaries, taken as a whole, except
(i) liabilities provided for in Company's balance sheet as of December 31, 1999;
(ii) liabilities provided for in the balance sheet as of October 31, 1999 of
Telco Research Corporation Limited ("TELCO"), a copy of which has been made
available to Company; (iii) liabilities of Barnhill Management Group, a Nevada
corporation acquired by Parent in March 2000 ("BARNHILL"), which liabilities are
not material to Parent and its subsidiaries, taken as a whole; and
(iv) liabilities incurred since December 31, 1999 by Parent and its subsidiaries
(including Telco and Barnhill) and liabilities


                                      -26-
<PAGE>

incurred by Telco between October 31, 1999 and December 31, 2000. None of the
liabilities described in the foregoing sections (i), (ii), (iii), or (iv) could
reasonably be expected, individually or in the aggregate, to have a Material
Adverse Effect on Parent.

        3.8     COMPLIANCE; PERMITS.

                (a)     Neither Parent nor any of its subsidiaries is in
conflict with, or in default or violation of, (i) any law, rule, regulation,
order, judgment or decree applicable to Parent or any of its subsidiaries or by
which its or any of their respective properties is bound or affected or (ii) any
note, bond, mortgage, indenture, contract, agreement, lease, license, permit,
franchise or other instrument or obligation to which Parent or any of its
subsidiaries is a party or by which Parent or any of its subsidiaries or its or
any of their respective properties is bound or affected, except for any
conflicts, defaults or violations that (individually or in the aggregate) would
not cause the Parent to lose any material benefit or incur any material
liability. No investigation or review by any governmental or regulatory body or
authority is pending or, to the knowledge of Parent, threatened against Parent
or its subsidiaries, nor has any governmental or regulatory body or authority
indicated an intention to conduct the same, other than, in each such case, those
the outcome of which could not, individually or in the aggregate, reasonably be
expected to have the effect of prohibiting or materially impairing any business
practice of Parent or any of its subsidiaries, any acquisition of material
property by Parent or any of its subsidiaries or the conduct of business by
Parent or any of its subsidiaries.

                (b)     Parent and its subsidiaries hold all permits, licenses,
variances, exemptions, orders and approvals from governmental authorities, the
absence of which could not reasonably be expected to have a Material Adverse
Effect on Parent (collectively, the "PARENT PERMITS"). Parent and its
subsidiaries are in compliance in all material respects with the terms of the
Parent Permits.

        3.9     ABSENCE OF CERTAIN CHANGES OR EVENTS.  Since December 31, 1999,
there has not been: (i) any Material Adverse Effect on Parent, (ii) any
declaration, setting aside or payment of any dividend on, or other distribution
(whether in cash, stock or property) in respect of, any of Parent's or any of
its subsidiaries' capital stock (other than a two-for-one stock split in the
form of a dividend effected in February 2000), or any purchase, redemption or
other acquisition by Parent of any of Parent's capital stock or any other
securities of Parent or its subsidiaries or any options, warrants, calls or
rights to acquire any such shares or other securities except for repurchases
from employees following their termination pursuant to the terms of their
pre-existing stock option or purchase agreements, (iii) any split, combination
or reclassification of any of Parent's or any of its subsidiaries' capital
stock, (iv) any material change by Parent in its accounting methods, principles
or practices, except as required by concurrent changes in GAAP, or (v) any
material revaluation by Parent of any of its assets, including, without
limitation, writing down the value of capitalized inventory or writing off notes
or accounts receivable or any sale of assets of the Parent other than in the
ordinary course of business.

        3.10    ABSENCE OF LITIGATION.  There are no claims, actions, suits or
proceedings pending or, to the knowledge of Parent, threatened (or, to the
knowledge of Parent, any governmental or regulatory investigation pending or
threatened) against Parent or any of it subsidiaries or any properties or rights
of Parent or any of its subsidiaries, before any court, arbitrator or
administrative,


                                      -27-
<PAGE>

governmental or regulatory authority or body, domestic or foreign, which, if
decided adversely to Parent, could reasonably be expected to have a Material
Adverse Effect on Parent.

        3.11    REGISTRATION STATEMENT; JOINT PROXY STATEMENT/PROSPECTUS.  None
of the information supplied or to be supplied by Parent for inclusion or
incorporation by reference in (i) the S-4 will, at the time the S-4 becomes
effective under the Securities Act, 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, in light of the circumstances
under which they are made, not misleading; and (ii) the Joint Proxy
Statement/Prospectus will, at the dates mailed to the shareholders of Company
and of Parent, at the time of the Company Shareholders' Meeting, the time of the
Parent Shareholders' Meeting and as of the Effective Time, 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, in light of
the circumstances under which they are made, not misleading. The S-4 will comply
as to form in all material respects with the provisions of the Securities Act
and the rules and regulations promulgated by the SEC thereunder. Notwithstanding
the foregoing, Parent makes no representation or warranty with respect to any
information supplied by the Company which is contained in any of the foregoing
documents.

        3.12    BROKERS.  Except for fees payable to Deutsche Bank Securities,
Inc., Parent has not incurred, nor will it incur, directly or indirectly, any
liability for brokerage or finders' fees or agents' commissions or any similar
charges in connection with this Agreement or any transaction contemplated
hereby.

        3.13    OPINION OF FINANCIAL ADVISOR.  Parent's Board of Directors has
received an opinion from Deutsche Bank Securities, Inc., dated as of the date
hereof, to the effect that as of the date hereof, the Exchange Ratio is fair to
Parent from a financial point of view.

        3.14    BOARD APPROVAL.  The Board of Directors of Parent has, as of the
date of this Agreement, unanimously (i)  has determined that the Merger is
consistent with and in furtherance of the long-term business strategy of Parent
and is fair to, and in the best interests of, Parent and its stockholders; (ii)
has approved this Agreement, the Merger and the other transactions contemplated
by this Agreement; and (iii) has determined to recommend that the stockholders
of Parent approve the Share Issuance.

        3.15    VOTE REQUIRED.  The affirmative vote of a majority of the shares
of Parent Common Stock that cast votes regarding the Share Issuance in person or
by proxy at the Parent Stockholders' Meeting is the only vote of the holders of
any class or series of Parent's capital stock necessary to approve this
Agreement and the transactions contemplated hereby.

                                   ARTICLE IV

                       CONDUCT PRIOR TO THE EFFECTIVE TIME

        4.1     CONDUCT OF BUSINESS BY COMPANY.  During the period from the date
of this Agreement and continuing until the earlier of the termination of this
Agreement pursuant to its terms or the


                                      -28-
<PAGE>

Effective Time, Company and each of its subsidiaries shall, except to the extent
that Parent shall otherwise consent in writing, carry on its business, in the
usual, regular and ordinary course and in compliance with all applicable laws
and regulations, pay its debts and taxes when due and pay or perform other
material obligations when due, subject to good faith disputes over such debts,
taxes, and obligations, and use its commercially reasonable efforts, consistent
with past practices (except as set forth in Schedule 4.1), and policies to (i)
preserve intact its present business organization, (ii) keep available the
services of its present officers and employees and (iii) preserve its
relationships with customers, suppliers, distributors, licensors, licensees, and
others with which it has business dealings, except in each case as set forth in
Section 4.1 of the Company Schedule.

        In addition, except as expressly permitted by the terms of this
Agreement and, except in each case as set forth in Section 4.1 of the Company
Schedule,  without the prior written consent of Parent, during the period from
the date of this Agreement and continuing until the earlier of the termination
of this Agreement pursuant to its terms or the Effective Time, Company shall not
do any of the following and shall not permit its subsidiaries to do any of the
following:

                (a)     Waive any stock repurchase rights, accelerate, amend or
change the period of exercisability of options or restricted stock, or reprice
options granted under any employee, consultant, director or other stock plans or
authorize cash payments in exchange for any options granted under any of such
plans except pursuant to plans and agreements existing as of the date hereof the
relevant terms of which are described in the Company Schedule;

                (b)     Grant any severance or termination pay to any officer or
employee except pursuant to written agreements outstanding, or policies
existing, on the date hereof and as previously disclosed in writing or made
available to Parent, or adopt any new severance plan;

                (c)     Transfer or license to any person or entity or otherwise
extend, amend or modify any rights to the Company Intellectual Property, or
enter into grants to transfer or license to any person future patent rights,
other than in the ordinary course of business consistent with past practices,
provided that in no event shall Company license to any person or entity on an
exclusive basis or sell any Company Intellectual Property;

                (d)     Declare, set aside or pay any dividends on or make any
other distributions (whether in cash, stock, equity securities or property) in
respect of any capital stock or split, combine or reclassify any capital stock
or issue or authorize the issuance of any other securities in respect of, in
lieu of or in substitution for any capital stock;

                (e)     Purchase, redeem or otherwise acquire, directly or
indirectly, any shares of capital stock of Company or its subsidiaries, except
repurchases of unvested shares at cost in connection with the termination of the
employment relationship with any employee pursuant to stock option or purchase
agreements in effect on the date hereof;

                (f)     Issue, deliver, sell, authorize, pledge or otherwise
encumber or propose any of the foregoing with respect to, any shares of capital
stock or any securities convertible into shares of capital stock, or
subscriptions, rights, warrants or options to acquire any shares of capital
stock or any securities convertible into shares of capital stock, or enter into
other agreements or commitments


                                      -29-
<PAGE>

of any character obligating it to issue any such shares or convertible
securities, other than (x) the issuance delivery and/or sale of (i) shares of
Company Common Stock pursuant to the exercise of stock options outstanding as of
the date of this Agreement or granted pursuant to clause (y) hereof, and (ii)
shares of Company Common Stock issuable to participants in the ESPP consistent
with the terms thereof and (y) the granting of non-discretionary stock options
to non-employee directors under the Director Plan in an amount not to exceed
options to purchase 135,000 shares in the aggregate;

                (g)     Cause, permit or propose any amendments to the Company
Charter Documents (or similar governing instruments of any of its subsidiaries);

                (h)     Acquire or agree to acquire by merging or consolidating
with, or by purchasing any equity interest in or a portion of the assets of, or
by any other manner, any business or any corporation, partnership, association
or other business organization or division thereof, or otherwise acquire or
agree to acquire any assets or enter into any joint ventures, strategic
partnerships or alliances;

                (i)     Sell, lease, license, encumber or otherwise dispose of
any properties or assets except sales of inventory or non-exclusive licenses of
Company intellectual property in the ordinary course of business consistent with
past practice and, except for the sale, lease or disposition (other than through
licensing) of property or assets which are not material, individually or in the
aggregate, to the business of Company and its subsidiaries;

                (j)     Incur any indebtedness for borrowed money or guarantee
any such indebtedness of another person, issue or sell any debt securities or
options, warrants, calls or other rights to acquire any debt securities of
Company, enter into any "keep well" or other agreement to maintain any financial
statement condition or enter into any arrangement having the economic effect of
any of the foregoing other than in connection with the financing of ordinary
course trade payables consistent with past practice;

                (k)     Adopt or amend any employee benefit plan, policy or
arrangement, any employee stock purchase or employee stock option plan, or enter
into any employment contract or collective bargaining agreement (other than
offer letters and letter agreements entered into in the ordinary course of
business consistent with past practice with employees who are terminable "at
will"), pay any special bonus or special remuneration to any director or
employee, or increase the salaries or wage rates or fringe benefits (including
rights to severance or indemnification) of its directors, officers, employees or
consultants;

                (l)     (i) Pay, discharge, settle or satisfy any claims,
liabilities or obligations (absolute, accrued, asserted or unasserted,
contingent or otherwise), or litigation (whether or not commenced prior to the
date of this Agreement) other than the payment, discharge, settlement or
satisfaction, in the ordinary course of business consistent with past practice
or in accordance with their terms, or liabilities recognized or disclosed in the
most recent consolidated financial statements (or the notes thereto) of Company
included in the Company SEC Reports or incurred since the date of such financial
statements, or (ii) waive the benefits of, agree to modify in any manner,
terminate,


                                      -30-
<PAGE>

release any person from or fail to enforce any confidentiality or similar
agreement to which Company or any of its subsidiaries is a party or of which
Company or any of its subsidiaries is a beneficiary;

                (m)     Make any individual or series of related payments
outside of the ordinary course of business (other than payments to financial,
legal, accounting or other professional service advisors not in excess of the
estimates thereof set forth in Section 4.1 of the Company Schedule);

                (n)     Except in the ordinary course of business consistent
with past practice, modify, amend or terminate any material contract or
agreement to which Company or any subsidiary thereof is a party or waive, delay
the exercise of, release or assign any material rights or claims thereunder;

                (o)     Enter into or materially modify any contracts,
agreements, or obligations relating to the distribution, sale, license or
marketing by third parties of Company's products or products licensed by Company
on an exclusive basis;

                (p)     Revalue any of its assets or, except as required by
GAAP, make any change in accounting methods, principles or practices;

                (q)     Incur or enter into any agreement, contract or
commitment outside of the ordinary course of business calling for payments by
Company in excess of $350,000 individually;

                (r)     Engage in any action that could cause the Merger to fail
to qualify as a "reorganization" under Section 368(a) of the Code, whether or
not otherwise permitted by the provisions of this Article IV;

                (s)     Engage in any action with the intent to directly or
indirectly adversely impact any of the transactions contemplated by this
Agreement;

                (t)     Make any tax election that, individually or in the
aggregate, is reasonably likely to adversely affect in any material respect the
tax liability or tax attributes of Company or any of its subsidiaries or settle
or compromise any material income tax liability; or

                (u)     Agree in writing or otherwise to take any of the actions
described in Section 4.1 (a) through (t) above.

        4.2     CONDUCT OF BUSINESS BY PARENT.  During the period from the date
of this Agreement and continuing until the earlier of the termination of this
Agreement pursuant to its terms or the Effective Time, Parent shall not do any
of the following and shall not permit its subsidiaries to do any of the
following:

                (a)     Declare, set aside, or pay any dividends or make any
other distributions (whether in cash, stock, equity securities or property) in
respect to Parent's capital stock, except where (i) an adjustment is made to the
Exchange Ratio in accordance with Section 1.6(e) or (ii) the holders of Company
Common Stock will otherwise receive an equivalent, proportional dividend or
distribution (based on the Exchange Ratio, as adjusted pursuant to
Section 1.6(e)) in connection with


                                      -31-
<PAGE>

the Merger as if they had been holders of Parent Common Stock on the record date
for such dividend or distribution;

                (b)     Purchase, redeem, or otherwise acquire, directly or
indirectly, any shares of capital stock of Parent or its subsidiaries in any
amounts that would adversely affect Parent's financial condition or liquidity;

                (c)     Effect any amendment to the Company's Certificate of
Incorporation that would have an adverse effect on the rights of holders of
Parent's Common Stock (including the Parent Common Stock to be issued pursuant
to this Agreement);

                (d)     Engage in any action that could cause the Merger to fail
to qualify as a "reorganization" under Section 368(a) of the Code, whether or
not otherwise permitted by the provisions of this Article IV;

                (e)     Engage in any action with the intent to directly or
indirectly adversely impact any of the transactions contemplated by this
Agreement;

                (f)     Following the filing of the S-4, acquire or agree to
acquire any business or any corporation, partnership, association or other
business organization or division if such acquisition or agreement would require
the inclusion in the S-4 of proforma financial information regarding such
acquisition; or

                (g)     Agree in writing or otherwise to take any of the actions
described in Section 4.1 (a) through (f) above.

                                    ARTICLE V

                              ADDITIONAL AGREEMENTS

        5.1     JOINT PROXY STATEMENT/PROSPECTUS; REGISTRATION STATEMENT.

                (a)     As promptly as practicable after the execution of this
Agreement, Parent and Company shall jointly prepare and shall file with the SEC
a document or documents that will constitute (i) the S-4 and (ii) the Joint
Proxy Statement/Prospectus. Each of the parties hereto shall use commercially
reasonable efforts to cause the S-4 to become effective as promptly as
practicable after the date hereof, and, prior to the effective date of the S-4,
the parties hereto shall take all action required under any applicable Laws in
connection with the issuance of shares of Parent Common Stock pursuant to the
Merger.  Parent or Company, as the case may be, shall furnish all information
concerning Parent or Company as the other party may reasonably request in
connection with such actions and the preparation of the S-4 and the Joint Proxy
Statement/Prospectus.  As promptly as practicable after the effective date of
the S-4, the Joint Proxy Statement/Prospectus shall be mailed to the
shareholders of Company and of Parent. Each of the parties hereto shall cause
the Joint Proxy Statement/Prospectus to comply as to form and substances to such
party in all material respects with


                                      -32-
<PAGE>

the applicable requirements of (i) the Exchange Act, (ii) the Securities Act,
(iii) the rules and regulations of the Nasdaq.

                (b)     The Joint Proxy Statement/Prospectus shall include the
approval of this Agreement and the Merger and the recommendation of the Board of
Directors of Company to Company's shareholders that they vote in favor of
approval of this Agreement and the Merger, subject to the right of the Board of
Directors of the Company to withdraw its recommendation and to recommend a
Superior Proposal determined to be such in compliance with Section 5.4 of this
Agreement; PROVIDED, HOWEVER, that the Board of Directors of Company shall
submit this Agreement to Company's shareholders whether or not at any time
subsequent to the date hereof such board determines that it can no longer make
such recommendation.  The Joint Proxy Statement/Prospectus shall also include
the approval of the Share Issuance and the recommendation of the Board of
Directors of Parent to Parent's stockholders that they vote in favor of approval
of the Share Issuance.

                (c)     No amendment or supplement to the Joint Proxy
Statement/Prospectus or the S-4 shall be made without the approval of Parent and
Company, which approval shall not be unreasonably withheld or delayed. Each of
the parties hereto shall advise the other parties hereto, promptly after it
receives notice thereof, of the time when the S-4 has become effective or any
supplement or amendment has been filed, of the issuance of any stop order, of
the suspension of the qualification of the Parent Common Stock issuable in
connection with the Merger for offering or sale in any jurisdiction, or of any
request by the SEC for amendment of the Joint Proxy Statement/Prospectus or the
S-4 or comments thereon and responses thereto or requests by the SEC for
additional information.

        5.2     SHAREHOLDER AND STOCKHOLDER MEETINGS.  Company shall call and
hold the Company Shareholders' Meeting and Parent shall call and hold the Parent
Stockholders' Meeting as promptly as practicable after the date hereof for the
purpose of voting upon the adoption and approval of this Agreement and the
approval of the Merger (in the case of the Company Shareholders' Meeting) and
the Share Issuance (in the case of the Parent Stockholders' Meeting) pursuant to
the Joint Proxy Statement/Prospectus, and Company and Parent shall use all
reasonable efforts to hold the Parent Stockholders' Meeting and the Company
Shareholders' Meeting on the same day and as soon as practicable after the date
on which the S-4 becomes effective. Nothing herein shall prevent Company or
Parent from adjourning or postponing the Company Shareholders' Meeting or the
Parent Stockholders' Meeting, as the case may be, if there are insufficient
shares of Company Common Stock or Parent Common Stock, as the case may be,
necessary to conduct business at their respective meetings of the shareholders
or stockholders.  The Board of Directors of Company shall submit this Agreement
and the Merger for shareholder approval pursuant to Section 14-2-1103(c) of
Georgia Law subject only to the condition of shareholder approval as described
in Section 2.24.  Unless Company's Board of Directors has withdrawn its
recommendation of this Agreement and the Merger in compliance with Section 5.4,
Company shall use commercially reasonable efforts to solicit from its
shareholders proxies in favor of the adoption and approval of this Agreement and
the approval of the Merger pursuant to the Joint Proxy Statement/Prospectus and
shall take all other commercially reasonable action necessary or advisable to
secure the vote or consent of shareholders required by Georgia Law or applicable
stock exchange requirements to obtain such approval.  Parent shall use
commercially reasonable efforts to solicit from its stockholders proxies in
favor of the Share


                                      -33-
<PAGE>

Issuance pursuant to the Joint Proxy Statement/Prospectus and shall take all
other commercially reasonable action necessary or advisable to secure the vote
or consent of stockholders required by the Delaware Law or applicable stock
exchange requirements to obtain such approval. Company shall call and hold the
Company Shareholders' Meeting for the purpose of voting upon the adoption and
approval of this Agreement and the approval of the Merger whether or not
Company's Board of Directors at any time subsequent to the date hereof
determines that this Agreement is no longer advisable or recommends that
Company's shareholders reject it.

        5.3     CONFIDENTIALITY; ACCESS TO INFORMATION.

                (a)     The parties acknowledge that Company and Parent have
previously executed a Confidentiality Agreement, dated as of March 1, 2000 (the
"CONFIDENTIALITY AGREEMENT"), which Confidentiality Agreement will continue in
full force and effect in accordance with its terms.

                (b)     Each of the Company and Parent will afford the other and
the other's accountants, counsel and other representatives reasonable access to
its properties, books, records and personnel during the period prior to the
Effective Time to obtain all information concerning its business as such other
party may reasonably request. No information or knowledge obtained in any
investigation pursuant to this Section 5.3 will affect or be deemed to modify
any representation or warranty contained herein or the conditions to the
obligations of the parties to consummate the Merger.

        5.4     NO SOLICITATION.

                (a)     From and after the date of this Agreement until the
Effective Time or termination of this Agreement pursuant to Article VII, Company
and its subsidiaries will not, nor will they authorize or permit any of their
respective officers, directors, affiliates or employees or any investment
banker, attorney or other advisor or representative retained by any of them to,
directly or indirectly, (i) solicit, initiate, encourage or induce the making,
submission or announcement of any Acquisition Proposal (as defined below),
(ii) participate in any discussions or negotiations regarding, or furnish to any
person any information with respect to, or take any other action to facilitate
any inquiries or the making of any proposal that constitutes or would reasonably
be expected to lead to, any Acquisition Proposal, (iii) engage in discussions
with any person with respect to any Acquisition Proposal, (iv) approve, endorse
or recommend any Acquisition Proposal or (v) enter into any letter of intent or
similar document or any contract, agreement or commitment contemplating or
otherwise relating to any Acquisition Transaction (as defined below); PROVIDED,
HOWEVER, that nothing contained in this Section 5.4 shall prohibit the Board of
Directors of Company from (i) complying with Rule 14d-9 or 14e-2(a) promulgated
under the Exchange Act with regard to a tender or exchange offer or (ii) in
response to an unsolicited, bona fide written Acquisition Proposal that
Company's Board of Directors reasonably concludes constitutes a Superior Offer
(as defined below), engaging in discussions or participating in negotiations
with and furnishing information to the party making such Acquisition Proposal to
the extent (A) the Board of Directors of the Company determines in good faith
after consultation with its outside legal counsel that failure to take such
action would be inconsistent with its fiduciary obligations under applicable
law, (B) (x) at least two business days prior to furnishing any such nonpublic
information to, or entering into discussions or


                                      -34-
<PAGE>

negotiations with, such party, Company gives Parent written notice of Company's
intention to furnish nonpublic information to, or enter into discussions or
negotiations with, such party and (y) Company receives from such party an
executed confidentiality agreement containing customary limitations on the use
and disclosure of all nonpublic written and oral information furnished to such
party by or on behalf of Company, and (C) contemporaneously with furnishing any
such nonpublic information to such party, Company furnishes such nonpublic
information to Parent (to the extent such nonpublic information has not been
previously furnished by the Company to Parent). Company and its subsidiaries
will immediately cease any and all existing activities, discussions or
negotiations with any parties conducted heretofore with respect to any
Acquisition Proposal. Without limiting the foregoing, it is understood that any
violation of the restrictions set forth in this Section 5.4 by any officer,
director or employee of Company or any of its subsidiaries or any investment
banker, attorney or other advisor or representative of Company or any of its
subsidiaries shall be deemed to be a breach of this Section 5.4 by Company.

        For purposes of this Agreement, "ACQUISITION PROPOSAL" shall mean any
offer or proposal (other than an offer or proposal by Parent) relating to any
Acquisition Transaction. For the purposes of this Agreement, "ACQUISITION
TRANSACTION" shall mean any transaction or series of related transactions other
than the transactions contemplated by this Agreement involving: (A) any
acquisition or purchase from the Company by any person or "group" (as defined
under Section 13(d) of the Exchange Act and the rules and regulations
thereunder) of more than a 15% interest in the total outstanding voting
securities of the Company or any of its subsidiaries or any tender offer or
exchange offer that if consummated would result in any person or "group" (as
defined under Section 13(d) of the Exchange Act and the rules and regulations
thereunder) beneficially owning 15% or more of the total outstanding voting
securities of the Company or any of its subsidiaries or any merger,
consolidation, business combination or similar transaction involving the Company
pursuant to which the shareholders of the Company immediately preceding such
transaction hold less than [85]% of the equity interests in the surviving or
resulting entity of such transaction; (B) any sale, lease (other than in the
ordinary course of business), exchange, transfer, license (other than in the
ordinary course of business), acquisition or disposition of more than 15% of the
assets of the Company; or (C) any liquidation, dissolution, recapitalization or
other significant corporate reorganization of the Company; and (C) "SUPERIOR
PROPOSAL" shall mean an Acquisition Proposal with respect to which (x) if any
cash consideration is involved, shall not be subject to any financing
contingency (or, after consultation with Company's financial advisors, the Board
of Directors shall have determined in good faith that such financing is
reasonably likely to be obtained by such acquiring party on a timely basis), and
with respect to which Company's Board of Directors shall have determined in good
faith (after consultation with Company's financial advisors) that the acquiring
party is capable of consummating the proposed Acquisition Transaction on the
terms proposed, and (y) Company's Board of Directors shall have determined in
good faith that the proposed Acquisition Transaction provides greater value to
the shareholders of Company than the Merger (taking into account the advice of
Company's independent financial advisors).

                (b)     In addition to the obligations of Company set forth in
paragraph (a) of this Section 5.4, Company as promptly as practicable, and in
any event within 24 hours, shall advise Parent orally and in writing of any
request for information which Company reasonably believes would lead to an
Acquisition Proposal or of any Acquisition Proposal, or any inquiry with respect
to


                                      -35-
<PAGE>

or which Company reasonably believes would lead to any Acquisition Proposal, the
material terms and conditions of such request, Acquisition Proposal or inquiry,
and the identity of the person or group making any such request, Acquisition
Proposal or inquiry. Company will keep Parent informed in all material respects
of the status and terms (including material amendments or proposed amendments)
of any such request, Acquisition Proposal or inquiry. In addition to the
foregoing, Company shall (i) provide Parent with at least 48 hours prior notice
(or such lesser prior notice as provided to the members of Company's Board of
Directors but in no event less than eight hours) of any meeting of Company's
Board of Directors at which Company's Board of Directors is reasonably expected
to consider an Acquisition Proposal and (ii) provide Parent with at least 48
hours prior written notice (or such lesser prior notice as provided to the
members of the Company's Board of Directors but in no event less than eight
hours) of a meeting of Company's Board of Directors at which Company's Board of
Directors is reasonably expected to recommend a Superior Offer to its
shareholders and together with such notice a copy of the definitive
documentation relating to such Superior Offer.

        5.5     PUBLIC DISCLOSURE.  Parent and Company will consult with each
other and agree before issuing any press release or otherwise making any public
statement with respect to the Merger, this Agreement or an Acquisition Proposal
and will not issue any such press release or make any such public statement
prior to such agreement, except as may be required by law or any listing
agreement with a national securities exchange, in which case reasonable efforts
to consult with the other party will be made prior to any such release or public
statement. The parties have agreed to the text of the joint press release
announcing the signing of this Agreement.

        5.6     REASONABLE EFFORTS; NOTIFICATION.

                (a)     Upon the terms and subject to the conditions set forth
in this Agreement (including the provisions of Section 5.4), each of the parties
agrees to use commercially reasonable efforts to take, or cause to be taken, all
actions, and to do, or cause to be done, and to assist and cooperate with the
other parties in doing, all things necessary, proper or advisable to consummate
and make effective, in the most expeditious manner practicable, the Merger and
the other transactions contemplated by this Agreement, including using
commercially reasonable efforts to accomplish the following: (i) the taking of
all reasonable acts necessary to cause the conditions precedent set forth in
Article VI to be satisfied, (ii) the obtaining of all necessary actions or
nonactions, waivers, consents, approvals, orders and authorizations from
Governmental Entities and the making of all necessary registrations,
declarations and filings (including registrations, declarations and filings with
Governmental Entities, if any) and the taking of all reasonable steps as may be
necessary to avoid any suit, claim, action, investigation or proceeding by any
Governmental Entity, (iii) the obtaining of all necessary consents, approvals or
waivers from third parties, (iv) the defending of any suits, claims, actions,
investigations or proceedings, whether judicial or administrative, challenging
this Agreement or the consummation of the transactions contemplated hereby,
including seeking to have any stay or temporary restraining order entered by any
court or other Governmental Entity vacated or reversed and (v) the execution or
delivery of any additional instruments necessary to consummate the transactions
contemplated by, and to fully carry out the purposes of, this Agreement. In
connection with and without limiting the foregoing, Company and its Board of
Directors shall, if any state takeover statute or similar statute or regulation
is or becomes


                                      -36-
<PAGE>

applicable to the Merger, this Agreement or any of the transactions contemplated
by this Agreement, use commercially reasonable efforts to ensure that the Merger
and the other transactions contemplated by this Agreement may be consummated as
promptly as practicable on the terms contemplated by this Agreement and
otherwise to minimize the effect of such statute or regulation on the Merger,
this Agreement and the transactions contemplated hereby. Notwithstanding
anything herein to the contrary, nothing in this Agreement shall be deemed to
require Parent or Company or any subsidiary or affiliate thereof to agree to any
divestiture by itself or any of its affiliates of shares of capital stock or of
any business, assets or property, or the imposition of any material limitation
on the ability of any of them to conduc their business or to own or exercise
control of such assets, properties and stock.

                (b)     Company shall give prompt notice to Parent of any
representation or warranty made by it contained in this Agreement becoming
untrue or inaccurate, or any failure of Company to comply with or satisfy in any
material respect any covenant, condition or agreement to be complied with or
satisfied by it under this Agreement, in each case, such that the conditions set
forth in Section 6.3(a) or 6.3(b) would not be satisfied; PROVIDED, HOWEVER,
that no such notification shall affect the representations, warranties,
covenants or agreements of the parties or the conditions to the obligations of
the parties under this Agreement.

                (c)     Parent shall give prompt notice to Company of any
representation or warranty made by it or Merger Sub contained in this Agreement
becoming untrue or inaccurate, or any failure of Parent or Merger Sub to comply
with or satisfy in any material respect any covenant, condition or agreement to
be complied with or satisfied by it under this Agreement, in each case, such
that the conditions set forth in Section 6.2(a) or 6.2(b) would not be
satisfied; PROVIDED, HOWEVER, that no such notification shall affect the
representations, warranties, covenants or agreements of the parties or the
conditions to the obligations of the parties under this Agreement.

        5.7     THIRD PARTY CONSENTS.  As soon as practicable following the date
hereof, Parent and Company will each use its commercially reasonable efforts to
obtain any consents, waivers and approvals under any of its or its subsidiaries'
respective agreements, contracts, licenses or leases required to be obtained in
connection with the consummation of the transactions contemplated hereby.

        5.8     STOCK OPTIONS AND EMPLOYEE BENEFITS; WARRANTS.

                (a)     At the Effective Time, each outstanding option to
purchase shares of Company Common Stock (each, a "COMPANY STOCK OPTION") under
the Company Option Plans, whether or not vested, shall by virtue of the Merger
be assumed by Parent. Each Company Stock Option and Warrant so assumed by Parent
under this Agreement will continue to have, and be subject to, the same terms
and conditions of such options or Warrant immediately prior to the Effective
Time (including, without limitation, any repurchase rights or vesting provisions
of outstanding options), except that (i) each Company Stock Option and Warrant
will be exercisable (or will become exercisable in accordance with its terms)
for that number of whole shares of Parent Common Stock equal to the product of
the number of shares of Company Common Stock that were issuable upon exercise of
such Company Stock Option and Warrant immediately prior to the


                                      -37-
<PAGE>

Effective Time multiplied by the Exchange Ratio, rounded down to the nearest
whole number of shares of Parent Common Stock and (ii) the per share exercise
price for the shares of Parent Common Stock issuable upon exercise of such
assumed Company Stock Option and Warrant will be equal to the quotient
determined by dividing the exercise price per share of Company Common Stock at
which such Company Stock Option and each outstanding Warrant was exercisable
immediately prior to the Effective Time by the Exchange Ratio, rounded up to the
nearest whole cent.

                (b)     ESPP. Prior to the Effective Time, outstanding purchase
rights under Company's ESPP shall be exercised in accordance with Sections 14
and 16 of the ESPP and each share of Company Common Stock purchased pursuant to
such exercise shall by virtue of the Merger, and without any action on the part
of the holder thereof, be converted into the right to receive a number of shares
of Parent Common Stock equal to the Exchange Ratio without issuance of
certificates representing issued and outstanding shares of Company Common Stock
to ESPP participants.  Company agrees that it shall terminate the ESPP
immediately following the aforesaid purchase of shares of Company Common Stock
thereunder.

                (c)     401(k) PLANS. Company and its Plan Affiliates, as
applicable, shall each terminate (i) any and all group severance, separation or
salary continuation plans, programs, or arrangements and (ii) any and all 401(k)
plans, effective as of the day immediately preceding the Closing Date. Parent
shall receive from Company evidence that Company's and each Plan Affiliate's, as
applicable, program(s) have been terminated pursuant to resolutions of each such
entity's Board of Directors (the form and substance of such resolutions shall be
subject to review and approval of Parent), effective as of the day immediately
preceding the Effective Time.

                (d)     SERVICE CREDIT.  To the extent permitted by Parent's
employee benefit plan and applicable law, Parent will use reasonable efforts, or
will cause Company to use reasonable efforts, give individuals who are employed
by Company and its subsidiaries as of the Effective Time ("AFFECTED EMPLOYEES")
full credit for purposes of eligibility, vesting, benefit accrual (excluding,
however, benefit accrual under any defined benefit pension plans) and
determination of the level of benefits under any employee benefit plans or
arrangements maintained by Parent or any subsidiary of Parent for such Affected
Employees' service with Company or any subsidiary of the Company to the same
extent recognized by Company immediately prior to the Effective Time.  To the
extent permitted by Parent's employee benefit plans and applicable law, Parent
will, or will cause Company to (i) waive all limitations as to preexisting
conditions, exclusions and waiting periods with respect to participation and
coverage requirements applicable to the Affected Employees under any welfare
benefit plans that such employees may be eligible to participate in after the
Effective Time, other than limitations or waiting periods that are already in
effect with respect to such employees and that have not been satisfied as of the
Effective Time under any welfare plan maintained for the Affected Employees
immediately prior to the Effective Time, and (ii) provide each Affected Employee
with credit for any co-payments and deductibles paid prior to the Effective Time
in satisfying any applicable deductible or out-of-pocket requirements under any
welfare plans that such employees are eligible to participate in after the
Effective Time.


                                      -38-
<PAGE>

        5.9     FORM S-8.  Parent agrees to file a registration statement on
Form S-8 for the shares of Parent Common Stock issuable with respect to assumed
Company Stock Options as soon as is reasonably practicable (and in any event
within twenty business days) after the Effective Time.

        5.10    INDEMNIFICATION.

                (a)     From and after the Effective Time, Parent will, and will
cause the Surviving Corporation to, fulfill and honor in all respects the
obligations of Company pursuant to any indemnification agreements between
Company and its directors and officers in effect immediately prior to the
Effective Time and any indemnification provisions under the Company Charter
Documents as in effect on the date hereof. The Certificate of Incorporation and
Bylaws of the Surviving Corporation will contain provisions with respect to
exculpation and indemnification that are at least as favorable to the
indemnified parties thereunder (the "INDEMNIFIED PARTIES") as those contained in
the Company Charter Documents as in effect on the date hereof, which provisions
will not be amended, repealed or otherwise modified for a period of six years
from the Effective Time in any manner that would adversely affect the rights
thereunder of the Indemnified Parties, unless such modification is required by
law.

                (b)     For a period of six years after the Effective Time,
Parent will, and will cause the Surviving Corporation to, use its commercially
reasonable efforts to maintain in effect directors' and officers' liability
insurance covering those persons or classes of persons who are currently covered
by Company's directors' and officers' liability insurance policy with coverage
in an amount and scope at least as favorable as that applicable to the current
directors and officers of Company; PROVIDED, HOWEVER, that in no event will
Parent or the Surviving Corporation be required to expend an annual premium for
such coverage in excess of 150% of the annual premium most recently paid by
Company (the "PREMIUM CAP"); PROVIDED, FURTHER, that if the annual premium for
such coverage would at any time exceed the Premium Cap, then the Surviving
Corporation shall maintain insurance policies that provide the maximum coverage
available at an annual premium equal to the Premium Cap.

                (c)     The provisions of this Section 5.10 are intended to be
in addition to the rights otherwise available to the Indemnified Parties by law,
charter, statute, bylaw or agreement, and shall operate for the benefit of, and
shall be enforceable by, each of the Indemnified Parties.

        5.11    NASDAQ LISTING.  Parent agrees to authorize for listing on
Nasdaq the shares of Parent Common Stock issuable, and those required to be
reserved for issuance, in connection with the Merger, upon official notice of
issuance.

        5.12    AFFILIATES.  Set forth in Section 5.12 of the Company Schedule
is a list of those persons who may be deemed to be, in Company's reasonable
judgment, affiliates of Company within the meaning of Rule 145 promulgated under
the Securities Act (each, a "COMPANY AFFILIATE"). Company will provide Parent
with such information and documents as Parent reasonably requests for purposes
of reviewing such list. Company will use its commercially reasonable efforts to
deliver or cause to be delivered to Parent, as promptly as practicable on or
following the date hereof, from each Company Affiliate an executed affiliate
agreement in substantially the form attached hereto as


                                      -39-
<PAGE>

EXHIBIT C (the "COMPANY AFFILIATE AGREEMENT"), each of which will be in full
force and effect as of the Effective Time. Parent will be entitled to place
appropriate legends on the certificates evidencing any Parent Common Stock to be
received by a Company Affiliate pursuant to the terms of this Agreement, and to
issue appropriate stop transfer instructions to the transfer agent for the
Parent Common Stock, consistent with the terms of the Company Affiliate
Agreement.

        5.13    REGULATORY FILINGS; REASONABLE EFFORTS.  As soon as may be
reasonably practicable, Company and Parent each shall file with the United
States Federal Trade Commission (the "FTC") and the Antitrust Division of the
United States Department of Justice ("DOJ") Notification and Report Forms
relating to the transactions contemplated herein as required by the HSR Act, as
well as comparable pre-merger notification forms required by the merger
notification or control laws and regulations of any applicable jurisdiction, as
agreed to by the parties. Company and Parent each shall promptly (a) supply the
other with any information which may be required in order to effectuate such
filings and (b) supply any additional information which reasonably may be
required by the FTC, the DOJ or the competition or merger control authorities of
any other jurisdiction and which the parties may reasonably deem appropriate;
PROVIDED, HOWEVER, that Parent shall not be required to agree to any divestiture
by Parent or the Company or any of Parent's subsidiaries or affiliates of shares
of capital stock or of any business, assets or property of Parent or its
subsidiaries or affiliates or of the Company, its affiliates, or the imposition
of any material limitation on the ability of any of them to conduct their
businesses or to own or exercise control of such assets, properties and stock.

        5.14    PARENT BOARD OF DIRECTORS.  The Board of Directors of Parent
will take all actions necessary such that two members of Company's Board of
Directors reasonably acceptable to Parent, at least one of whom is an
independent director of the Company's Board of Directors, shall be appointed to
Parent's Board of Directors as of the Effective Time with a term expiring at the
next annual meeting of Parent's stockholders.

        5.15    SHAREHOLDER LITIGATION.  Until the earlier of termination of
this Agreement in accordance with its terms or the Effective Time, Company shall
give Parent the opportunity to participate in the defense or settlement of any
shareholder litigation against Company or members of its Board of Directors
relating to this Agreement and the transactions contemplated hereby or
otherwise, and shall not settle any such litigation without Parent' prior
written consent.

                                   ARTICLE VI

                            CONDITIONS TO THE MERGER

        6.1     CONDITIONS TO OBLIGATIONS OF EACH PARTY TO EFFECT THE MERGER.
The respective obligations of each party to this Agreement to effect the Merger
shall be subject to the satisfaction at or prior to the Closing of the following
conditions:

                (a)     SHAREHOLDER AND STOCKHOLDER APPROVALS. This Agreement
shall have been approved and adopted, and the Merger shall have been duly
approved, by the requisite vote under applicable law, by the shareholders of
Company.  The Share Issuance shall have been approved by the requisite vote
under applicable Nasdaq rules by the stockholders of Parent.


                                      -40-
<PAGE>

                (b)     REGISTRATION STATEMENT EFFECTIVE; JOINT PROXY STATEMENT.
The SEC shall have declared the S-4 effective. No stop order suspending the
effectiveness of the S-4 or any part thereof shall have been issued and no
proceeding for that purpose, and no similar proceeding in respect of the Joint
Proxy Statement/Prospectus, shall be pending or shall then be threatened in
writing by the SEC.

                (c)     NO ORDER; HSR ACT. No Governmental Entity shall have
enacted, issued, promulgated, enforced or entered any statute, rule, regulation,
executive order, decree, injunction or other order (whether temporary,
preliminary or permanent) which is in effect and which has the effect of making
the Merger illegal or otherwise prohibiting consummation of the Merger. All
waiting periods, if any, under the HSR Act relating to the transactions
contemplated hereby will have expired or terminated early and all material
foreign antitrust approvals required to be obtained prior to the Merger in
connection with the transactions contemplated hereby shall have been obtained.

                (d)     TAX OPINIONS. Parent and Company shall each have
received written opinions from their respective tax counsel, in form and
substance reasonably satisfactory to them, to the effect that the Merger will
constitute a reorganization within the meaning of Section 368(a) of the Code and
such opinions shall not have been withdrawn; PROVIDED, HOWEVER, that if the
counsel to either Parent or Company does not render such opinion, this condition
shall nonetheless be deemed to be satisfied with respect to such party if
counsel to the other party renders such opinion to such party. The parties to
this Agreement agree to make such reasonable representations as requested by
such counsel for the purpose of rendering such opinions.

        6.2     ADDITIONAL CONDITIONS TO OBLIGATIONS OF COMPANY.  The obligation
of Company to consummate and effect the Merger shall be subject to the
satisfaction at or prior to the Closing Date of each of the following
conditions, any of which may be waived, in writing, exclusively by Company:

                (a)     REPRESENTATIONS AND WARRANTIES. Each representation and
warranty of Parent and Merger Sub contained in this Agreement (i) shall have
been true and correct in all material respects as of the date of this Agreement
and (ii) shall be true and correct on and as of the Closing Date with the same
force and effect as if made on the Closing Date except, in the case of each of
clauses (i) and (ii), (A) for such failures to be true and correct that do not
in the aggregate constitute a Material Adverse Effect on Parent and Merger Sub,
and (B) for those representations and warranties which address matters only as
of a particular date (which representations shall have been true and correct
(subject to the qualifications set forth in the preceding clause (A)) as of such
particular date) (it being understood that, for purposes of determining the
accuracy of such representations and warranties, (i) all "Material Adverse
Effect" qualifications and other qualifications based on the word "material"
contained in such representations and warranties shall be disregarded and
(ii) any update of or modification to the Parent Schedule made or purported to
have been made after the date of this Agreement shall be disregarded). Company
shall have received a certificate with respect to the foregoing signed on behalf
of Parent by an authorized officer of Parent.

                (b)     AGREEMENTS AND COVENANTS. Parent and Merger Sub shall
have performed or complied in all material respects with all agreements and
covenants required by this Agreement to be


                                      -41-
<PAGE>

performed or complied with by them on or prior to the Closing Date, and Company
shall have received a certificate to such effect signed on behalf of Parent by
an authorized officer of Parent.

        6.3     ADDITIONAL CONDITIONS TO THE OBLIGATIONS OF PARENT AND MERGER
SUB.  The obligations of Parent and Merger Sub to consummate and effect the
Merger shall be subject to the satisfaction at or prior to the Closing Date of
each of the following conditions, any of which may be waived, in writing,
exclusively by Parent:

                (a)     REPRESENTATIONS AND WARRANTIES. Each representation and
warranty of Company contained in this Agreement (i) shall have been true and
correct in all material respects as of the date of this Agreement and (ii) shall
be true and correct on and as of the Closing Date with the same force and effect
as if made on and as of the Closing Date except, in the case of each of
clauses (i) and (ii), (A) for such failures to be true and correct that do not
in the aggregate constitute a Material Adverse Effect on the Company PROVIDED,
HOWEVER, such Material Adverse Effect qualifier shall be inapplicable with
respect to representations and warranties contained in Section 2.3(a), 2.3(e),
2.23, and 2.24, which shall be true and correct in all material respects, and
(B) for those representations and warranties which address matters only as of a
particular date (which representations shall have been true and correct (subject
to the qualifications set forth in the preceding clause (A)) as of such
particular date) (it being understood that, for purposes of determining the
accuracy of such representations and warranties, (i) all "Material Adverse
Effect" qualifications and other qualifications based on the word "material"
contained in such representations and warranties shall be disregarded and
(ii) any update of or modification to the Company Schedule made or purported to
have been made after the date of this Agreement shall be disregarded). Parent
shall have received a certificate with respect to the foregoing signed on behalf
of Company by an authorized officer of Company.

                (b)     AGREEMENTS AND COVENANTS. Company shall have performed
or complied in all material respects with all agreements and covenants required
by this Agreement to be performed or complied with by it at or prior to the
Closing Date, and Parent shall have received a certificate to such effect signed
on behalf of Company by the Chief Executive Officer and the Chief Financial
Officer of Company.

                (c)     CONSENTS. Company shall have obtained all consents,
waivers and approvals required in connection with the consummation of the
transactions contemplated hereby in connection with the agreements, contracts,
licenses or leases set forth on Schedule 6.3(c).

                                   ARTICLE VII

                        TERMINATION, AMENDMENT AND WAIVER

        7.1     TERMINATION.  This Agreement may be terminated at any time prior
to the Effective Time, whether before or after the requisite approval of the
shareholders of Company:

                (a)     by mutual written consent duly authorized by the Boards
of Directors of Parent and Company;


                                      -42-
<PAGE>

                (b)     by either Company or Parent, by written notice to the
other, if the Merger shall not have been consummated by October 31, 2000 for any
reason; PROVIDED, HOWEVER, that the right to terminate this Agreement under this
Section 7.1(b) shall not be available to any party whose action or failure to
act has been a principal cause of the failure of the Merger to occur on or
before such date and such action or failure to act constitutes a breach of this
Agreement;

                (c)     by either Company or Parent, by written notice to the
other, if a Governmental Entity shall have issued an order, decree or ruling or
taken any other action that has the effect of permanently restraining, enjoining
or otherwise prohibiting the Merger and is final and nonappealable;

                (d)     by either Company or Parent, by written notice to the
other, if (i) the required approval of the shareholders of Company contemplated
by the first sentence of Section 6.1(a) of this Agreement shall not have been
obtained by reason of the failure to obtain the required vote at a meeting of
Company shareholders duly convened therefor or at any adjournment or
postponement therefor or (ii) the required approval by the stockholders of
Parent of the Share Issuance required under applicable Nasdaq rules shall not
have been obtained by reason of the failure to obtain the required vote at a
meeting of Parent stockholders duly convened therefor or at any adjournment or
postponement thereof;

                (e)     by Company, by written notice to Parent, upon a breach
of any representation, warranty, covenant or agreement on the part of Parent set
forth in this Agreement, or if any representation or warranty of Parent shall
have become untrue, in either case such that the conditions set forth in
Section 6.2(a) or Section 6.2(b) would not be satisfied as of the time of such
breach or as of the time such representation or warranty shall have become
untrue, PROVIDED, that if such inaccuracy in Parent's representations and
warranties or breach by Parent is curable by Parent, then Company may not
terminate this Agreement under this Section 7.1(e) for thirty (30) days after
delivery of written notice from Company to Parent of such breach, provided
Parent continues to exercise commercially reasonable efforts to cure such breach
(it being understood that Company may not terminate this Agreement pursuant to
this paragraph (e) if such breach by Parent is cured during such thirty (30)-day
period);

                (f)     by Parent, by written notice to Company, upon a breach
of any representation, warranty, covenant or agreement on the part of Company
set forth in this Agreement, or if any representation or warranty of Company
shall have become untrue, in either case such that the conditions set forth in
Section 6.3(a) or Section 6.3(b) would not be satisfied as of the time of such
breach or as of the time such representation or warranty shall have become
untrue, PROVIDED, that if such inaccuracy in Company's representations and
warranties or breach by Company is curable by Company, then Parent may not
terminate this Agreement under this Section 7.1(f) for thirty (30) days after
delivery of written notice from Parent to Company of such breach, provided
Company continues to exercise commercially reasonable efforts to cure such
breach (it being understood that Parent may not terminate this Agreement
pursuant to this paragraph (f) such breach by Company is cured during such
thirty (30)-day period); or


                                      -43-
<PAGE>

                (g)     by Parent, by written notice to Company, if (i) the
Board of Directors of Company withdraws, modifies or changes its recommendation
of this Agreement or the Merger in a manner adverse to Parent or its
stockholders, (ii) the Board of Directors of Company shall have recommended to
the shareholders of Company an Acquisition Proposal, (iii) the Company fails to
comply with Section 5.4, (iv) a bona fide Acquisition Proposal shall have been
publicly announced or otherwise become publicly known and the Board of Directors
of Company shall have (A) failed to recommend against acceptance of such by its
shareholders (including by taking no position, or indicating its inability to
take a position, with respect to the acceptance by its shareholders of an
Acquisition Proposal involving a tender offer or exchange offer) or (B) failed
to reconfirm its approval and recommendation of this Agreement and the
transactions contemplated hereby within ten business days thereafter, or (v) the
Board of Directors of Company resolves to take any of the actions described
above.

        7.2     NOTICE OF TERMINATION; EFFECT OF TERMINATION.  Any termination
of this Agreement under Section 7.1 above will be effective immediately upon the
delivery of written notice of the terminating party to the other parties hereto
(or such later time as may be required by Section 7.1). In the event of the
termination of this Agreement as provided in Section 7.1, this Agreement shall
be of no further force or effect, except (i) as set forth in this Section 7.2,
Section 5.3(a), Section 7.3 and Article 8, each of which shall survive the
termination of this Agreement, and (ii) nothing herein shall relieve any party
from liability for fraud in connection with, or any willful breach of, this
Agreement.

        7.3     FEES AND EXPENSES.

                (a)     GENERAL.  Except as set forth in this Section 7.3, all
fees and expenses incurred in connection with this Agreement and the
transactions contemplated hereby shall be paid by the party incurring such
expenses whether or not the Merger is consummated;  PROVIDED, HOWEVER, that
Parent and Company shall share equally all fees and expenses, other than
attorneys' and accountants fees and expenses, incurred in relation to the
printing and filing of the Joint Proxy Statement/Prospectus (including any
preliminary materials related thereto) and the S-4 (including financial
statements and exhibits) and any amendments or supplements thereto.

                (b)     TERMINATION FEE.

                        (i)     In the event that (A) Parent shall terminate
this Agreement pursuant to Section 7.1(g), or (B) this Agreement shall be
terminated (x) pursuant to Section 7.1(b) or (y) pursuant to Section 7.1(d)(i)
and, in the case of clause (B)(x) or clause (B)(y), (1) prior to such
termination, a bona fide Acquisition Proposal shall have been announced or shall
otherwise have become publicly known and (2) within 12 months after such
termination, Company shall enter into a definitive agreement providing for any
Company Acquisition or any Company Acquisition shall be consummated, then, in
the case of clause (A) or (B), respectively, Company shall pay to Parent cash
and issue to Parent shares of Company Common Stock, in such combination as
Company may elect (provided that the cash component must be at least $20
million) with an aggregate value (such shares of Company Common Stock to be
valued at $24.125 per share for all purposes of this Section 7.3(b)(i)) of
$50 million (the "TERMINATION FEE"). In the event this Agreement shall be
terminated as set forth in clause (A), the Termination Fee shall be payable in
two installments of equal value,


                                      -44-
<PAGE>

the first of which shall be paid contemporaneously with the termination of this
Agreement pursuant to Section 7.1(g), and the second of which shall be due and
payable on the 30th day after such termination. In the event this Agreement
shall be terminated as set forth in clause (B), the Termination Fee shall be
payable in two installments of equal value, the first of which shall be paid
contemporaneously with the execution of a definitive agreement providing for the
Company Acquisition, and the second of which shall be due and payable on the
earlier to occur of (i) the consummation of such Company Acquisition and (ii)
the 90th days after the date of execution of the definitive agreement relating
to such Company Acquisition. If Company satisfies its obligation to pay the
Termination Fee in part by delivering to Parent shares of Company Common Stock
(the "TERMINATION FEE SHARES"), then Parent shall be entitled to registration
rights with respect to such shares as described in the Option Agreement
(treating the Termination Fee Shares for all purposes of Section 7 of the Option
Agreement as if they were Option Shares (as defined in the Option Agreement)).

                        (ii)    The Company acknowledges that the agreements
contained in this Section 7.3(b) are an integral part of the transactions
contemplated by this Agreement, and that, without these agreements, Parent would
not enter into this Agreement; accordingly, if the Company fails to pay in a
timely manner the amounts due pursuant to this Section 7.3(b) and, in order to
obtain such payment, Parent makes a claim that results in a judgment against the
Company for the amounts set forth in this Section 7.3(b), the Company shall pay
to Parent its actual out-of-pocket costs and expenses (including reasonable
attorneys' fees and expenses) in connection with such suit, together with
interest on the amounts set forth in this Section 7.3(b) at the prime rate of
Citibank, N.A. in effect on the date such payment was required to be made.
Payment of the fees described in this Section 7.3(b) shall not be in lieu of
damages incurred in the event of fraud in connection with or willful breach of
this Agreement.

                        (iii)   In the event that Parent shall terminate this
Agreement pursuant to Section 7.1(f), then Company shall promptly reimburse
Parent for Parent's costs and expenses in connection with this Agreement and the
transactions contemplated hereby.

                        (iv)    For the purposes of this Agreement, "COMPANY
ACQUISITION" shall mean any of the following transactions (other than the
transactions contemplated by this Agreement): (i) a merger, consolidation,
business combination, recapitalization, liquidation, dissolution or similar
transaction involving the Company pursuant to which the shareholders of the
Company immediately preceding such transaction hold less than 60% of the
aggregate equity interests in the surviving or resulting entity of such
transaction, (ii) a sale or other disposition by the Company of assets
representing in excess of 40% of the aggregate fair market value of the
Company's business immediately prior to such sale or (iii) the acquisition by
any person or "group" (as defined under Section 13(d) of the Exchange Act)
(including by way of a tender offer or an exchange offer or issuance by the
Company), directly or indirectly, of beneficial ownership or a right to acquire
beneficial ownership of shares representing in excess of 40% of the voting power
of the then outstanding shares of capital stock of the Company.


                                      -45-
<PAGE>

                        (v)     For purposes only of this Section 7.3(b), each
reference to "15%" in the definition of Acquisition Transaction set forth in
Section 5.4(a) shall be deemed to be "40%," and the reference to "85%" in such
definition shall be deemed to be "60%."

                        (vi)    In the event that Company shall terminate this
Agreement pursuant to Section 7.1(e), then Parent shall promptly reimburse
Company for Company's costs and expenses in connection with this Agreement and
the transactions contemplated hereby.

        7.4     AMENDMENT.  Subject to applicable law, this Agreement may be
amended by the parties hereto at any time by execution of an instrument in
writing signed on behalf of each of Parent, Merger Sub and Company.

        7.5     EXTENSION; WAIVER.  At any time prior to the Effective Time, any
party hereto may, to the extent legally allowed, (i) extend the time for the
performance of any of the obligations or other acts of the other parties hereto,
(ii) waive any inaccuracies in the representations and warranties made to such
party contained herein or in any document delivered pursuant hereto and
(iii) waive compliance with any of the agreements or conditions for the benefit
of such party contained herein.  Any agreement on the part of a party hereto to
any such extension or waiver shall be valid only if set forth in an instrument
in writing signed on behalf of such party.  Delay in exercising any right under
this Agreement shall not constitute a waiver of such right.

                                  ARTICLE VIII

                               GENERAL PROVISIONS

        8.1     SURVIVAL OF REPRESENTATIONS AND WARRANTIES.  The representations
and warranties of Company, Parent and Merger Sub contained in this Agreement
shall terminate at the Effective Time, and only the covenants that by their
terms survive the Effective Time shall survive the Effective Time.

        8.2     NOTICES.  All notices and other communications hereunder shall
be in writing and shall be deemed given if delivered personally or by commercial
delivery service, or sent via telecopy (receipt confirmed) to the parties at the
following addresses or telecopy numbers (or at such other address or telecopy
numbers for a party as shall be specified by like notice):

                (a)     if to Parent or Merger Sub, to:

                        Peregrine Systems, Inc.
                        12670 High Bluff Drive
                        San Diego, California 92130
                        Attention:      Richard Nelson
                                        Eric Deller
                        Telecopy No.:  (858)  794-5057

                        with copies to:


                                         -46-
<PAGE>

                        Wilson Sonsini Goodrich & Rosati
                        Professional Corporation
                        650 Page Mill Road
                        Palo Alto, California 94304-1050
                        Attention: Douglas H. Collom
                        Telecopy No.: (650) 493-6811

                        and

                        Wilson Sonsini Goodrich & Rosati
                        Professional Corporation
                        Spear Street Tower
                        One Market
                        San Francisco, California 94105
                        Attention: Steve L. Camahort
                        Telecopy No.: (415) 947-2099

                (b)     if to Company, to:

                        Harbinger Corporation
                        1277 Lenox Park Boulevard
                        Atlanta, Georgia 30319
                        Attention:  James Travers
                                    Loren B. Wimpfheimer
                        Telecopy No.:   (404) 848-2864
                        and     (404) 467-3476


                                      -47-
<PAGE>

                        with a copy to:

                        Brobeck, Phleger & Harrison LLP
                        Two Embarcadero Place
                        2200 Geng Road
                        Palo Alto, California 94303
                        Attention: Rod J. Howard
                        Telecopy No.: (650) 496-2885 and (650) 496-2777

                        and

                        Morris Manning & Martin LLP
                        1600 Atlanta Financial Center
                        3343 Peachtree Road, NE
                        Atlanta, Georgia 30326
                        Attention: John C. Yates
                        Telecopy No.: (404) 365-9532


        8.3     INTERPRETATION; DEFINITIONS.

                (a)     When a reference is made in this Agreement to Exhibits,
such reference shall be to an Exhibit to this Agreement unless otherwise
indicated. When a reference is made in this Agreement to Sections, such
reference shall be to a Section of this Agreement. Unless otherwise indicated
the words "include," "includes" and "including" when used herein shall be deemed
in each case to be followed by the words "without limitation." The table of
contents and headings contained in this Agreement are for reference purposes
only and shall not affect in any way the meaning or interpretation of this
Agreement. When reference is made herein to "the business of" an entity, such
reference shall be deemed to include the business of all direct and indirect
subsidiaries of such entity. Reference to the subsidiaries of an entity shall be
deemed to include all direct and indirect subsidiaries of such entity.

                (b)     For purposes of this Agreement:

                        (i)     the term "KNOWLEDGE" means with respect to a
party hereto, with respect to any matter in question, knowledge of the executive
officers of such party after reasonable inquiry;

                        (ii)    the term "MATERIAL ADVERSE EFFECT" when used in
connection with an entity means any change, event, violation, inaccuracy,
circumstance or effect, individually or when aggregated with other such changes,
events, violations, inaccuracies, circumstances or effects, that is materially
adverse to the business, assets, liabilities, financial condition or results of
operations of such entity and its subsidiaries taken as a whole; PROVIDED,
HOWEVER, in no event shall either of the following, alone or in combination, be
deemed to constitute, nor shall either of the following be taken into account in
determining whether there has been or will be a Material Adverse Effect on any
entity: (A) any change in such entity's stock price or trading volume or the
failure to meet or exceed


                                      -48-
<PAGE>

Wall Street research analysts' or such entity's internal earnings or other
estimates or projections in and of itself constitute a Material Adverse Effect
or (B) any change, event, violation, inaccuracy, circumstance or effect that
such entity successfully bears the burden of proving results from (x) changes
affecting the industry in which such entity operates generally (which changes do
not disproportionately affect such entity), (y) changes affecting the United
States economy generally or (z) the public announcement or pendency of the
transactions contemplated hereby;

                        (iii)   the term "PERSON" shall mean any individual,
corporation (including any non-profit corporation), general partnership, limited
partnership, limited liability partnership, joint venture, estate, trust,
company (including any limited liability company or joint stock company), firm
or other enterprise, association, organization, entity or Governmental Entity;
and

                        (iv)    the term "SUBSIDIARY" shall mean any
corporation, association, joint venture, partnership, or similar business
arrangement or entity in which Company or Parent, as the case may require, owns
50% or more of the outstanding voting interests.

        8.4     COUNTERPARTS.  This Agreement may be executed in one or more
counterparts, all of which shall be considered one and the same agreement and
shall become effective when one or more counterparts have been signed by each of
the parties and delivered to the other party, it being understood that all
parties need not sign the same counterpart.

        8.5     ENTIRE AGREEMENT; THIRD PARTY BENEFICIARIES.  This Agreement and
the documents and instruments and other agreements among the parties hereto as
contemplated by or referred to herein, including the Company Disclosure Schedule
and the Parent Disclosure Schedule (a) constitute the entire agreement among the
parties with respect to the subject matter hereof and supersede all prior
agreements and understandings, both written and oral, among the parties with
respect to the subject matter hereof, it being understood that the
Confidentiality Agreement shall continue in full force and effect until the
Closing and shall survive any termination of this Agreement; and (b) are not
intended to confer upon any other person any rights or remedies hereunder,
except as specifically provided in Section 5.10.

        8.6     SEVERABILITY.  In the event that any provision of this
Agreement, or the application thereof, becomes or is declared by a court of
competent jurisdiction to be illegal, void or unenforceable, the remainder of
this Agreement will continue in full force and effect and the application of
such provision to other persons or circumstances will be interpreted so as
reasonably to effect the intent of the parties hereto. The parties further agree
to replace such void or unenforceable provision of this Agreement with a valid
and enforceable provision that will achieve, to the extent possible, the
economic, business and other purposes of such void or unenforceable provision.

        8.7     OTHER REMEDIES; SPECIFIC PERFORMANCE.  Except as otherwise
provided herein, any and all remedies herein expressly conferred upon a party
will be deemed cumulative with and not exclusive of any other remedy conferred
hereby, or by law or equity upon such party, and the exercise by a party of any
one remedy will not preclude the exercise of any other remedy. The parties
hereto agree that irreparable damage would occur in the event that any of the
provisions of this


                                      -49-
<PAGE>

Agreement were not performed in accordance with their specific terms or were
otherwise breached. It is accordingly agreed that the parties shall be entitled
to seek an injunction or injunctions to prevent breaches of this Agreement and
to enforce specifically the terms and provisions hereof in any court of the
United States or any state having jurisdiction, this being in addition to any
other remedy to which they are entitled at law or in equity.

        8.8     GOVERNING LAW.  Except to the extent mandatorily governed by
Georgia Law, this Agreement shall be governed by and construed in accordance
with the laws of the State of Delaware, regardless of the laws that might
otherwise govern under applicable principles of conflicts of law thereof.

        8.9     RULES OF CONSTRUCTION.  The parties hereto agree that they have
been represented by counsel during the negotiation and execution of this
Agreement and, therefore, waive the application of any law, regulation, holding
or rule of construction providing that ambiguities in an agreement or other
document will be construed against the party drafting such agreement or
document.

        8.10    ASSIGNMENT.  No party may assign either this Agreement or any of
its rights, interests, or obligations hereunder without the prior written
approval of the other parties. Subject to the preceding sentence, this Agreement
shall be binding upon and shall inure to the benefit of the parties hereto and
their respective successors and permitted assigns.

                                      *****


                                      -50-
<PAGE>

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

                                         PEREGRINE SYSTEMS, INC.
                                         a Delaware corporation

                                         By: /S/ STEPHEN P. GARDNER
                                            -----------------------------------
                                         Name: Stephen P. Gardner
                                              ---------------------------------
                                         Title: President
                                               --------------------------------

                                         SODA ACQUISITION CORPORATION
                                         a Georgia corporation

                                         By: /s/ ERIC P. DELLER
                                            -----------------------------------
                                         Name: Eric P. Deller
                                              ---------------------------------
                                         Title:  Secretary
                                               --------------------------------

                                         HARBINGER CORPORATION
                                         a Georgia corporation

                                         By: /s/ JAMES M. TRAVERS
                                            -----------------------------------
                                         Name: James M. Travers
                                              ---------------------------------
                                         Title:
                                               --------------------------------


                                      -51-

<PAGE>

                                                                    Exhibit 2

                                   EXHIBIT A-1

                        FORM OF COMPANY VOTING AGREEMENT

       THIS VOTING AGREEMENT (this "AGREEMENT") is made and entered into as of
April 5, 2000, among Peregrine Systems, Inc., a Delaware corporation ("PARENT"),
and the undersigned shareholder and/or option holder (the "SHAREHOLDER") of
Harbinger Corporation, a Georgia corporation (the "COMPANY").

                                    RECITALS

       The Company, Merger Sub (as defined below) and Parent have entered into
an Agreement and Plan of Reorganization (the "REORGANIZATION AGREEMENT"), which
provides for the merger (the "MERGER") of a wholly-owned subsidiary of Parent
("MERGER SUB") with and into the Company.  Pursuant to the Merger, all
outstanding capital stock of the Company shall be converted into the right to
receive common stock of Parent, as set forth in the Reorganization Agreement;
and

       Shareholder is the beneficial owner (as defined in Rule 13d-3 under the
Securities Exchange Act of 1934, as amended (the "EXCHANGE ACT")) of such number
of shares of the outstanding capital stock of the Company and shares subject to
outstanding options and warrants as is indicated on the signature page of this
Agreement.

       NOW, THEREFORE, intending to be legally bound, the parties hereto agree
as follows:

       1.     CERTAIN DEFINITIONS.  Capitalized terms not defined herein shall
have the meanings ascribed to them in the Reorganization Agreement.  For
purposes of this Agreement:

              (a)    "EXPIRATION DATE" shall mean the earlier to occur of
(i) such date and time as the Reorganization Agreement shall have been
terminated pursuant to Article VII thereof, or (ii) such date and time as the
Merger shall become effective in accordance with the terms and provisions of the
Reorganization Agreement.

              (b)    "PERSON" shall mean any (i) individual, (ii) corporation,
limited liability company, partnership or other entity, or (iii) governmental
authority.

              (c)    "SHARES" shall mean: (i) all securities of the Company
(including all shares of Company Common Stock and all options, warrants and
other rights to acquire shares of Company Common Stock) beneficially owned by
Shareholder as of the date of this Agreement; and (ii) all additional securities
of the Company (including all additional shares of Company Common Stock and all
additional options, warrants and other rights to acquire shares of Company
Common Stock) of which Shareholder beneficial acquires ownership during the
period from the date of this Agreement through the Expiration Date.

              (d)    TRANSFER.  A Person shall be deemed to have effected a
"TRANSFER" of a security if such person directly or indirectly: (i) sells,
pledges, encumbers, grants an option with respect to, transfers or disposes of
such security or any interest in such security; or (ii) enters into an

<PAGE>

agreement or commitment providing for the sale of, pledge of, encumbrance of,
grant of an option with respect to, transfer of or disposition of such security
or any interest therein.

       2.     TRANSFER OF SHARES.

              (a)    TRANSFEREE OF SHARES TO BE BOUND BY THIS AGREEMENT.
Shareholder agrees that, during the period from the date of this Agreement
through the Expiration Date, except as may be required by court order or
operation of law, Shareholder shall not cause or permit any Transfer of any of
the Shares to be effected unless each Person to which such Shares or any
interest in any of such Shares is or may be transferred shall have (i) executed
a counterpart of this Voting Agreement and a proxy in the form attached hereto
as EXHIBIT A and (ii) agreed to hold such Shares or interest in such Shares
subject to all of the terms and provisions of this Agreement.

              (b)    TRANSFER OF VOTING RIGHTS.  Shareholder agrees that, during
the period from the date of this Agreement through the Expiration Date,
Shareholder shall not deposit (or permit the deposit of) any Shares in a voting
trust or grant any proxy or enter into any voting agreement or similar agreement
in contravention of the obligations of Shareholder under this Agreement with
respect to any of the Shares.

       3.     AGREEMENT TO VOTE SHARES.  At every meeting of the shareholders of
the Company called, and at every adjournment thereof, and on every action or
approval by written consent of the shareholders of the Company, Shareholder (in
his or her capacity as such) shall cause the Shares to be voted (to the extent
such Shares have voting rights and are entitled to vote thereon) (i) in favor of
adoption and approval of the Reorganization Agreement and approval of the
Merger, (ii) in favor of any matter that could reasonably be expected to
facilitate the Merger, (iii) against any Acquisition Proposal and (iv) against
any matter that could reasonably be expected to facilitate any Acquisition
Proposal. Notwithstanding the foregoing, and notwithstanding any other provision
of this Agreement, nothing in this Agreement shall limit or restrict Shareholder
from acting in Shareholder's capacity as a director or officer of Company (it
being understood that this Agreement shall apply to Shareholder solely in
Shareholder's capacity as a shareholder of Company) or voting in Shareholder's
sole discretion on any matter other than those matters referred to in the
foregoing clauses (i), (ii), (iii) and (iv) of this Section 3.

       4.     IRREVOCABLE PROXY.  Concurrently with the execution of this
Agreement, Shareholder agrees to deliver to Parent a proxy in the form attached
hereto as EXHIBIT A (the "PROXY"), which shall be irrevocable to the fullest
extent permissible by law, with respect to the Shares.

       5.     REPRESENTATIONS AND WARRANTIES OF THE SHAREHOLDER.  Shareholder
(i) is the beneficial owner of the shares of Company Common Stock and the
options and warrants to purchase shares of Common Stock of the Company indicated
on the final page of this Agreement, free and clear of any liens, claims,
options, rights of first refusal, co-sale rights, charges or other encumbrances
that, in each case, would deprive Parent of the benefits of this Agreement;
(ii) does not beneficially own any securities of the Company other than the
shares of Company Common Stock and options and warrants to purchase shares of
Common Stock of the Company indicated on the final page of this Agreement; and
(iii) has full power and authority to make, enter into and carry out the terms
of this Agreement and the Proxy.


                                      -2-
<PAGE>

       6.     LEGENDING OF SHARES.  If so requested by Parent, Shareholder
agrees that the Shares shall bear a legend stating that they are subject to this
Agreement and to an irrevocable proxy.  Subject to the terms of Section 2
hereof, Shareholder agrees that Shareholder shall not Transfer the Shares
without first having the aforementioned legend affixed to the certificates
representing the Shares.

       7.     TERMINATION.  This Agreement shall terminate and shall have no
further force or effect as of the Expiration Date.

       8.     MISCELLANEOUS.

              (a)    SEVERABILITY.  If any term, provision, covenant or
restriction of this Agreement is held by a court of competent jurisdiction to be
invalid, void or unenforceable, then 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.

              (b)    BINDING EFFECT AND ASSIGNMENT.  This Agreement and all of
the provisions hereof shall be binding upon and inure to the benefit of the
parties hereto and their respective successors and permitted assigns, but,
except as otherwise specifically provided herein, neither this Agreement nor any
of the rights, interests or obligations of the parties hereto may be assigned by
either of the parties without prior written consent of the other.

              (c)    AMENDMENTS AND MODIFICATION.  This Agreement may not be
modified, amended, altered or supplemented except upon the execution and
delivery of a written agreement executed by the parties hereto.

              (d)    SPECIFIC PERFORMANCE; INJUNCTIVE RELIEF.  The parties
hereto acknowledge that Parent shall be irreparably harmed and that there shall
be no adequate remedy at law for a violation of any of the covenants or
agreements of Shareholder set forth herein.  Therefore, it is agreed that, in
addition to any other remedies that may be available to Parent upon any such
violation, Parent shall have the right to enforce such covenants and agreements
by specific performance, injunctive relief or by any other means available to
Parent at law or in equity.

              (e)    NOTICES.  All notices and other communications pursuant to
this Agreement shall be in writing and deemed to be sufficient if contained in a
written instrument and shall be deemed given if delivered personally,
telecopied, sent by nationally-recognized overnight courier or mailed by
registered or certified mail (return receipt requested), postage prepaid, to the
parties at the following address (or at such other address for a party as shall
be specified by like notice):

              If to Parent:      Peregrine Systems, Inc.
                                 12670 High Bluff Drive
                                 San Diego, California 92130
                                 Attention: Richard T. Nelson, Vice President
                                            Corporate Development
                                            Eric Deller, Vice President, General
                                            Counsel
                                 Telecopy No.: (858) 794-5057


                                      -3-
<PAGE>

       With copies to:           Wilson Sonsini Goodrich & Rosati
                                 Professional Corporation
                                 650 Page Mill Road
                                 Palo Alto, California 94304
                                 Attention:  Douglas H. Collom
                                 Facsimile No.:  (650) 845-5000

                                 and

                                 Wilson Sonsini Goodrich & Rosati
                                 Professional Corporation
                                 Spear Street Tower
                                 One Market
                                 San Francisco, California 94105
                                 Attention:  Steve L. Camahort
                                 Facsimile No.:  (415) 947-2099

       If to Shareholder:        To the address for notice set forth on the
                                 signature page hereof.

       With a copy to:           Brobeck, Phleger & Harrison LLP
                                 Two Embarcadero Place
                                 2200 Geng Road
                                 Palo Alto, California 94303
                                 Attention: Rod J. Howard
                                 Telecopy No.: (650) 496-2885 and (650) 496-2771

                                 and

                                 Morris Manning & Martin, LLP
                                 1600 Atlanta Financial Center
                                 3343 Peachtree Road, N.E.
                                 Atlanta, Georgia 30326
                                 Attention:  John C. Yates
                                 Facsimile No.:  (404) 365-9532


              (f)    GOVERNING LAW.  Except to the extent mandatorily governed
by the laws of the State of Georgia, this Agreement shall be governed by the
laws of the State of Delaware, without giving effect to the conflicts of law
principles thereof.

              (g)    ENTIRE AGREEMENT.  This Agreement and the Proxy contain the
entire understanding of the parties in respect of the subject matter hereof, and
supersede all prior negotiations and understandings between the parties with
respect to such subject matter.

              (h)    EFFECT OF HEADINGS.  The section headings are for
convenience only and shall not affect the construction or interpretation of this
Agreement.

              (i)    COUNTERPARTS.  This Agreement may be executed in several
counterparts, each of which shall be an original, but all of which together
shall constitute one and the same agreement.


                                      -4-
<PAGE>

              (j)    PERMITTED ACTIVITIES.  Nothing in this Agreement shall be
construed to require Shareholder to exercise any option, warrant or other right
to acquire Company Common Stock, and nothing in this Agreement shall be
construed to prohibit Shareholder from (i) engaging in customary sales of Shares
consistent with Shareholder's past sales (but in no event aggregating more than
15% of Shareholder's total Shares), or (ii) engaging in a net exercise of any
option, warrant or other right to acquire Company Common Stock (if the
contractual terms of such option, warrant, or other right currently permit such
a net exercise).


                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]


                                      -5-
<PAGE>

       IN WITNESS WHEREOF, the parties have caused this Voting Agreement to be
duly executed on the day and year first above written.


PEREGRINE SYSTEMS, INC.            SHAREHOLDER


- ------------------------------     -------------------------------------
Signature                          Signature


- ------------------------------     -------------------------------------
Print Name                         Print Name


- ------------------------------     -------------------------------------
Print Title                        Print Title

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

                                   -------------------------------------
                                   Print Address

                                   -------------------------------------
                                   Print Telephone

                                   -------------------------------------
                                   Print Facsimile No.

                                   Shares beneficially owned:


                                   __________    shares of Company Common Stock


                                   __________    shares of Company Common Stock
                                                 issuable upon exercise of
                                                 outstanding options or warrants
<PAGE>

                               IRREVOCABLE PROXY

       The undersigned shareholder of Harbinger Corporation, a Georgia
corporation (the "COMPANY"), hereby irrevocably (to the fullest extent permitted
by law) appoints the members on the Board of Directors of Peregrine Systems,
Inc., a Delaware corporation ("PARENT"), and each of them, as the sole and
exclusive attorneys and proxies of the undersigned, with full power of
substitution and resubstitution, to vote and exercise all voting and related
rights (to the full extent that the undersigned is entitled to do so) with
respect to all of the shares of capital stock of the Company that now are or
hereafter may be beneficially owned by the undersigned, and any and all other
shares or securities of the Company issued or issuable in respect thereof on or
after the date hereof (collectively, the "SHARES") in accordance with the terms
of this Proxy. The Shares beneficially owned by the undersigned shareholder of
the Company as of the date of this Proxy are listed on the final page of this
Proxy.  Upon the undersigned's execution of this Proxy, any and all prior
proxies given by the undersigned with respect to any Shares are hereby revoked
and the undersigned agrees not to grant any subsequent proxies with respect to
the Shares on any matters covered hereby until after the Expiration Date (as
defined below).

       This Proxy is irrevocable (to the fullest extent permitted by law), is
coupled with an interest and is granted pursuant to that certain Voting
Agreement of even date herewith by and among Parent and the undersigned
shareholder (the "VOTING AGREEMENT"), and is granted in consideration of Parent
entering into that certain Agreement and Plan of  Reorganization (the
"REORGANIZATION AGREEMENT"), among Parent, Soda Acquisition Corporation, a
Delaware corporation and a wholly-owned subsidiary of Parent ("MERGER SUB"), and
the Company.  The Reorganization Agreement provides for the merger of Merger Sub
with and into the Company in accordance with its terms (the "MERGER").  As used
herein, the term "EXPIRATION DATE" shall mean the earlier to occur of (i) such
date and time as the Reorganization Agreement shall have been validly terminated
pursuant to Article VII thereof or (ii) such date and time as the Merger shall
become effective in accordance with the terms and provisions of the
Reorganization Agreement.

       The attorneys and proxies named above, and each of them, are hereby
authorized and empowered by the undersigned, at any time prior to the Expiration
Date, to act as the undersigned's attorney and proxy to vote the Shares, and to
exercise all voting, consent and similar rights of the undersigned with respect
to the Shares (including, without limitation, the power to execute and deliver
written consents) at every annual, special or adjourned meeting of shareholders
of the Company and in every written consent in lieu of such meeting (i) in favor
of approval of the Reorganization Agreement and the Merger, (ii) in favor of any
matter that could reasonably be expected to facilitate the Merger, (iii) against
any Acquisition Proposal (as defined in the Reorganization Agreement) and (iv)
against any matter that could reasonably be expected to facilitate any
Acquisition Proposal.

       The attorneys and proxies named above may not exercise this Proxy on any
other matter except as provided above.  The undersigned shareholder may vote,
and grant proxies with respect to, the Shares on all other matters.

       Any obligation of the undersigned hereunder shall be binding upon the
successors and assigns of the undersigned.

<PAGE>

       This Proxy is irrevocable (to the fullest extent permitted by law).  This
Proxy shall terminate, and be of no further force and effect, automatically upon
the Expiration Date.

Dated: April 5, 2000



                 Signature of Shareholder:
                                          -------------------------------------


                 Print Name of Shareholder:
                                           ------------------------------------


                 Shares beneficially owned:
                                           ------------------------------------


                               __________    shares of Company Common Stock


                               __________    shares of the Company Common Stock
                                             issuable upon exercise of
                                             outstanding options or warrants





<PAGE>

                                                                    Exhibit 3

                                      EXHIBIT B

                            FORM OF STOCK OPTION AGREEMENT

       THIS STOCK OPTION AGREEMENT (this "AGREEMENT") is made and entered into
as of April 5, 2000, between Peregrine Systems, Inc., a Delaware corporation
("PARENT"), and Harbinger Corporation, a Georgia corporation (the "COMPANY").
Capitalized terms used but not otherwise defined herein will have the meanings
ascribed to them in the Reorganization Agreement (as defined below).

                                      RECITALS

       A.     The Company, Merger Sub (as defined below) and Parent have entered
into an Agreement and Plan of Reorganization (the "REORGANIZATION AGREEMENT")
which provides for the merger (the "MERGER") of a wholly-owned subsidiary of
Parent ("MERGER SUB") with and into the Company.  Pursuant to the Merger, all
outstanding capital stock of the Company will be converted into the right to
receive Common Stock of Parent.

       B.     As a condition to Parent's willingness to enter into the
Reorganization Agreement, Parent has requested that Company agree, and Company
has so agreed, to grant to Parent an option to acquire shares of Company's
Common Stock, $0.01 par value per share (the "COMPANY SHARES"), upon the terms
and subject to the conditions set forth herein.

       NOW, THEREFORE, in consideration of the foregoing and of the mutual
covenants and agreements set forth herein and in the Reorganization Agreement
and for other good and valuable consideration, the receipt and adequacy of which
are hereby acknowledged, the parties hereto agree as follows:

       1.     GRANT OF OPTION.  The Company hereby grants to Parent an
irrevocable option (the "OPTION") to acquire up to 8,007,468 Company Shares (as
adjusted as set forth herein) (the "OPTION SHARES"), in the manner set forth
below by paying cash at a price of $43.50 per share (the "EXERCISE PRICE").

       2.     EXERCISE OF OPTION.

              (a)    The Option may be exercised by Parent, in whole or in part,
at any time or from time to time after (i) termination of the Reorganization
Agreement pursuant to Section 7.1(g) thereof or (ii) the time immediately prior
to the occurrence of an event within the scope of Section 7.3(b)(i)(B)(2) of the
Reorganization Agreement that causes the Termination Fee to become payable
pursuant to Section 7.3(b)(i)(B) of the Reorganization Agreement (any of the
events being referred to herein as an "EXERCISE EVENT").  In the event Parent
wishes to exercise the Option, Parent will

<PAGE>

deliver to the Company a written notice (each an "EXERCISE NOTICE") specifying
the total number of Option Shares it wishes to acquire. Each closing of a
purchase of Option Shares (a "CLOSING") will occur on a date and at a time prior
to the termination of the Option designated by Parent in an Exercise Notice
delivered at least two business days prior to the date of such Closing, which
Closing will be held at the principal offices of the Company.

              (b)    The Option will terminate upon the earliest of (i) the
Effective Time, (ii) twelve (12) months following the date on which the
Reorganization Agreement is terminated pursuant to Section 7.1(b) or 7.1(d)(i)
thereof, if no event causing the Termination Fee to become payable pursuant to
Section 7.3(b)(i)(B) of the Reorganization Agreement has occurred during such
12-month period, (iii) twelve (12) months following payment of the Termination
Fee in connection with termination of the Reorganization Agreement pursuant to
Section 7.1(g) thereof, (iv) in the event the Reorganization Agreement has been
terminated pursuant to Section 7.1(b) or 7.1(d)(i) thereof and the Termination
Fee became payable pursuant to Section 7.3(b)(i)(B) thereof, 12 months after
payment of the Termination Fee; and (v) the date on which the Reorganization
Agreement is otherwise terminated; PROVIDED, HOWEVER, that if the Option cannot
be exercised by reason of any applicable government order or because the waiting
period related to the issuance of the Option Shares under the HSR Act will not
have expired or been terminated, then the Option will not terminate until the
tenth business day after such impediment to exercise will have been removed or
will have become final and not subject to appeal.

       3.     CONDITIONS TO CLOSING.  The obligation of Company to issue Option
Shares to Parent hereunder is subject to the conditions that (A) any waiting
period under the HSR Act applicable to the issuance of the Option Shares
hereunder will have expired or been terminated; (B) all material consents,
approvals, orders or authorizations of, or registrations, declarations or
filings with, any Federal, state or local administrative agency or commission or
other Federal state or local governmental authority or instrumentality, if any,
required in connection with the issuance of the Option Shares hereunder will
have been obtained or made, as the case may be; and (C) no preliminary or
permanent injunction or other order by any court of competent jurisdiction
prohibiting or otherwise restraining such issuance will be in effect.  It is
understood and agreed that at any time during which the Option is exercisable,
the parties will use their respective best efforts to satisfy all conditions to
Closing, so that a Closing may take place as promptly as practicable.

       4.     CLOSING.  At any Closing, (A) the Company will deliver to Parent a
single certificate in definitive form representing the number of Company Shares
designated by Parent in its Exercise Notice, such certificate to be registered
in the name of Parent and to bear the legend set forth in Section 9 hereof,
against delivery of (B) payment by Parent to the Company of the aggregate
purchase price for the Company Shares so designated and being purchased by
delivery of a certified check or bank check.

       5.     REPRESENTATIONS AND WARRANTIES OF THE COMPANY.  Company represents
and warrants to Parent that (A) Company is a corporation duly organized, validly
existing and in good standing under the laws of the State of Georgia and has the
corporate power and authority to enter into this Agreement and to carry out its
obligations hereunder; (B) the execution and delivery of this Agreement by the
Company and consummation by the Company of the transactions contemplated hereby
have been duly authorized by all necessary corporate action on the part of the
Company and


                                      -2-
<PAGE>

no other corporate proceedings on the part of the Company are necessary to
authorize this Agreement or any of the transactions contemplated hereby; (C)
this Agreement has been duly executed and delivered by the Company and
constitutes a legal, valid and binding obligation of the Company and, assuming
this Agreement constitutes a legal, valid and binding obligation of Parent, is
enforceable against the Company in accordance with its terms; (D) except for any
filings required under the HSR Act, the Company has taken all necessary
corporate and other actions to authorize and reserve for issuance and to permit
it to issue upon exercise of the Option, and at all times from the date hereof
until the termination of the Option will have reserved for issuance, a
sufficient number of unissued Company Shares for Parent to exercise the Option
in full and will take all necessary corporate or other action to authorize and
reserve for issuance all additional Company Shares or other securities which may
be issuable pursuant to Section 9(a) upon exercise of the Option, all of which,
upon their issuance and delivery in accordance with the terms of this Agreement,
will be validly issued, fully paid and nonassessable; (E) upon delivery of the
Company Shares and any other securities to Parent upon exercise of the Option,
Parent will acquire such Company Shares or other securities free and clear of
all material claims, liens, charges, encumbrances and security interests of any
kind or nature whatsoever, excluding those imposed by Parent; (F) the execution
and delivery of this Agreement by the Company do not, and the performance of
this Agreement by the Company will not, (i) conflict with or violate the
Certificate of Incorporation or Bylaws or equivalent organizational documents of
the Company or any of its subsidiaries, (ii) conflict with or violate any law,
rule, regulation, order, judgment or decree applicable to the Company or any of
its subsidiaries or by which its or any of their respective properties is bound
or affected or (iii) result in any breach of or constitute a default (or an
event that with notice or lapse of time or both would become a default) under,
or impair the Company's or any of its subsidiaries' rights or alter the rights
or obligations of any third party under, or give to others any rights of
termination, amendment, acceleration or cancellation of, or result in the
creation of a lien or encumbrance on any of the properties or assets of the
Company or any of its subsidiaries pursuant to, any material note, bond,
mortgage, indenture, contract, agreement, lease, license, permit, franchise or
other instrument or obligation to which the Company or any of its subsidiaries
is a party or by which the Company or any of its subsidiaries or its or any of
their respective properties are bound or affected; and (G) the execution and
delivery of this Agreement by the Company does not, and the performance of this
Agreement by the Company will not, require any consent, approval, authorization
or permit of, or filing with, or notification to, any Governmental Entity except
pursuant to the HSR Act.

       6.     CERTAIN RIGHTS.

              (a)    PARENT PUT.  At the request of and upon notice by Parent
(the "PUT NOTICE"), at any time during the period during which the Option is
exercisable pursuant to Section 2 (the "PURCHASE PERIOD"), the Company (or any
successor entity thereof) will purchase from Parent the Option, to the extent
not previously exercised, at the price set forth in subparagraph (i) below (as
limited by subparagraph (iii) below), and the Option Shares, if any, acquired by
Parent pursuant thereto, at the price set forth in subparagraph (ii) below (as
limited by subparagraph (iii) below):


                                      -3-
<PAGE>

                     (i)    The difference between the "MARKET/TENDER OFFER
PRICE" for the Company Shares as of the date Parent gives notice of its intent
to exercise its rights under this Section 6(a) (defined as the higher of (A) the
highest price per share offered as of such date pursuant to any Acquisition
Proposal which was made prior to such date and (B) the highest closing sale
price of Company Shares then on the NASDAQ National Market during the 20 trading
days ending on the trading day immediately preceding such date) and the Exercise
Price, multiplied by the number of Company Shares purchasable pursuant to the
Option that remain, but only if the Market/Tender Offer Price is greater than
the Exercise Price.  For purposes of determining the highest price offered
pursuant to any Acquisition Proposal which involves consideration other than
cash, the value of such consideration will be equal to the higher of (x) if
securities of the same class of the proponent as such consideration are traded
on any national securities exchange or by any registered securities association,
a value based on the closing sale price or asked price for such securities on
their principal trading market on such date and (y) the value ascribed to such
consideration by the proponent of such Acquisition Proposal, or if no such value
is ascribed, a value determined in good faith by the Board of Directors of the
Company.

                     (ii)   The Exercise Price paid by Parent for Company Shares
acquired pursuant to the Option PLUS the difference between the Market/Tender
Offer Price and such Exercise Price (but only if the Market/Tender Offer Price
is greater than the Exercise Price) multiplied by the number of Company Shares
so purchased.

                     (iii)  Notwithstanding subparagraphs (i) and (ii) above,
pursuant to this Section 6 Company will not be required to pay Parent in excess
of an aggregate of (x) $50,000,000 MINUS (z) any cash amounts paid (or due to be
paid in the future) to Parent by the Company pursuant to Section 7.3(b) of the
Reorganization Agreement.

              (b)    PAYMENT AND REDELIVERY OF OPTION OR SHARES.  In the event
Parent exercises its rights under Section 6(a), the Company will, within five
business days after Parent delivers notice pursuant to Section 6(a), pay the
required amount to Parent in immediately available funds  and Parent will
surrender to the Company the Option and the certificates evidencing the Company
Shares purchased by Parent pursuant thereto.

       7.     REGISTRATION RIGHTS.

              (a)    Following the termination of the Reorganization Agreement,
Parent (sometimes referred to herein as the  "HOLDER") may by written notice (a
"REGISTRATION NOTICE") to the Company (the "REGISTRANT") request the Registrant
to register under the Securities Act all or any part of the shares acquired by
the Holder pursuant to this Agreement (such shares requested to be registered,
the "REGISTRABLE SECURITIES") in order to permit the sale or other disposition
of any or all shares of the Registrable Securities that have been acquired by or
are issuable to Holder upon exercise of the Option in accordance with the
intended method of sale or other disposition stated by Holder, including a
"shelf" registration statement under Rule 415 under the Securities Act or any
successor provision.  Holder agrees to cause, and to cause any underwriters of
any sale or other disposition to cause, any sale or other disposition pursuant
to such registration statement to be effected on a widely distributed basis so
that upon consummation thereof no purchaser or transferee will own beneficially
more than 5.0% of the then-outstanding voting power of Registrant.


                                      -4-
<PAGE>

              (b)    The Registrant will use all reasonable efforts to effect,
as promptly as practicable, the registration under the Securities Act of the
Registrable Securities requested to be registered in the Registration Notice and
to keep such registration statement effective for such period not in excess of
120 calendar days from the day such registration statement first becomes
effective as may be reasonably necessary to effect such sale or other
disposition; PROVIDED, HOWEVER, that the Holder will not be entitled to more
than an aggregate of two effective registration statements hereunder.  The
obligations of Registrant hereunder to file a registration statement and to
maintain its effectiveness may be suspended for up to 120 calendar days in the
aggregate if the Board of Directors of Registrant shall have determined that the
filing of such registration statement or the maintenance of its effectiveness
would require premature disclosure of material nonpublic information that would
materially and adversely affect Registrant or otherwise interfere with or
adversely affect any pending or proposed offering of securities of Registrant or
any other material transaction involving Registrant.  If consummation of the
sale of any Registrable Securities pursuant to a registration hereunder does not
occur within 120 days after the filing with the SEC of the initial registration
statement therefor, the provisions of this Section 7 will again be applicable to
any proposed registration.  The Registrant will use commercially reasonable
efforts to cause any Registrable Securities registered pursuant to this
Section 7 to be qualified for sale under the securities or blue sky laws of such
jurisdictions as the Holder may reasonably request and will continue such
registration or qualification in effect in such jurisdictions; PROVIDED,
HOWEVER, that the Registrant will not be required to qualify to do business in,
or consent to general service of process in, any jurisdiction by reason of this
provision.  If Registrant effects a registration under the Securities Act of
Company Common Stock for its own account or for any other stockholders of
Registrant (other than on Form S-4 or Form S-8, or any successor form), it will
allow Holder the right to participate in such registration by selling its
Registrable Securities, and such participation will not affect the obligation of
Registrant to effect demand registration statements for Holder under this
Section 7; PROVIDED that, if the managing underwriters of such offering advise
Registrant in writing that in their opinion the number of shares of Company
Common Stock requested to be included in such registration exceeds the number
which can be sold in such offering, Registrant will include the shares requested
to be included therein by Holder pro rata with the shares intended to be
included therein by Registrant and such other stockholders.

              (c)    The registration rights set forth in this Section 7 are
subject to the condition that the Holder will provide the Registrant with such
information with respect to the Holder's Registrable Securities, the plan for
distribution thereof, and such other information with respect to the Holder as,
in the reasonable judgment of counsel for the Registrant, is necessary to enable
the Registrant to include in a registration statement all facts required to be
disclosed with respect to a registration thereunder.


                                      -5-
<PAGE>

              (d)    A registration effected under this Section 7 will be
effected at the Registrant's expense, except for underwriting discounts and
commissions and the fees and expenses of counsel to the Holder, and the
Registrant will provide to the underwriters such documentation (including
certificates, opinions of counsel and "comfort" letters from auditors) as are
customary in connection with underwritten public offerings and as such
underwriters may reasonably require. In connection with any registration, the
Holder and the Registrant agree to enter into an underwriting agreement
reasonably acceptable to each such party, in form and substance customary for
transactions of this type with the underwriters participating in such offering.

              (e)    INDEMNIFICATION.

                     (i)    The Registrant will indemnify the Holder, each of
its directors and officers and each person who controls the Holder within the
meaning of Section 15 of the Securities Act, and each underwriter of the
Registrant's securities, with respect to any registration, qualification or
compliance which has been effected pursuant to this Agreement, against all
expenses, claims, losses, damages or liabilities (or actions in respect
thereof), including any of the foregoing incurred in settlement of any
litigation, commenced or threatened, arising out of or based on any untrue
statement (or alleged untrue statement) of a material fact contained in any
registration statement, prospectus, offering circular or other document, or any
amendment or supplement thereto, incident to any such registration,
qualification or compliance, or based on any omission (or alleged omission) to
state therein a material fact required to be stated therein or necessary to make
the statements therein, in light of the circumstances in which they were made,
not misleading, or any violation by the Registrant of any rule or regulation
promulgated under the Securities Act applicable to the Registrant in connection
with any such registration, qualification or compliance, and the Registrant will
reimburse the Holder, each of its directors and officers and each person who
controls the Holder within the meaning of Section 15 of the Securities Act, and
each underwriter for any legal and any other expenses reasonably incurred in
connection with investigating, preparing or defending any such claim, loss,
damage, liability or action; PROVIDED, that the Registrant will not be liable in
any such case to the extent that any such claim, loss, damage, liability or
expense arises out of or is based on any untrue statement or omission or alleged
untrue statement or omission, made in reliance upon and in conformity with
written information furnished to the Registrant by such Holder or director or
officer or controlling person or underwriter seeking indemnification.

                     (ii)   The Holder will indemnify the Registrant, each of
its directors and officers and each underwriter of the Registrant's securities
covered by such registration statement and each person who controls the
Registrant within the meaning of Section 15 of the Securities Act, against all
expenses, claims, losses, damages and liabilities (or actions in respect
thereof), including any of the foregoing incurred in settlement of any
litigation, commenced or threatened, arising out of or based on any untrue
statement (or alleged untrue statement) of a material fact contained in any such
registration statement, prospectus, offering circular or other document, or any
omission (or alleged omission) to state therein a material fact required to be
stated therein or necessary to make the statements therein not misleading, or
any violation by the Holder of any rule or regulation promulgated under the
Securities Act applicable to the Holder in connection with any such
registration, qualification or compliance, and will reimburse the Registrant,
such directors, officers or control persons or underwriters for any legal or any
other expenses reasonably incurred in connection with investigating, preparing
or defending any such claim, loss, damage, liability or


                                      -6-
<PAGE>

action, in each case to the extent, but only to the extent, that such untrue
statement (or alleged untrue statement) or omission (or alleged omission) is
made in such registration statement, prospectus, offering circular or other
document in reliance upon and in conformity with written information furnished
to the Registrant by the Holder for use therein; PROVIDED, that in no event will
any indemnity under this Section 7(e) exceed the net proceeds of the offering
received by the Holder.

                     (iii)  Each party entitled to indemnification under this
Section 7(e) (the "INDEMNIFIED PARTY") will give notice to the party required to
provide indemnification (the "INDEMNIFYING PARTY") promptly after such
Indemnified Party has actual knowledge of any claim as to which indemnity may be
sought, and will permit the Indemnifying Party to assume the defense of any such
claim or any litigation resulting therefrom, PROVIDED, that counsel for the
Indemnifying Party, who will conduct the defense of such claim or litigation,
will be approved by the Indemnified Party (whose approval will not unreasonably
be withheld), and the Indemnified Party may participate in such defense at such
party's expense; PROVIDED, HOWEVER, that the Indemnifying Party will pay such
expense if representation of the Indemnified Party by counsel retained by the
Indemnifying Party would be inappropriate due to actual or potential differing
interests between the Indemnified Party and any other party represented by such
counsel in such proceeding, and PROVIDED FURTHER, HOWEVER, that the failure of
any Indemnified Party to give notice as provided herein will not relieve the
Indemnifying Party of its obligations under this Section 7(e) unless the failure
to give such notice is materially prejudicial to an Indemnifying Party's ability
to defend such action.  No Indemnifying Party, in the defense of any such claim
or litigation will, except with the consent of each Indemnified Party, consent
to entry of any judgment or enter into any settlement which does not include as
an unconditional term thereof the giving by the claimant or plaintiff to such
Indemnified Party of a release from all liability in respect to such claim or
litigation.  No Indemnifying Party will be required to indemnify any Indemnified
Party with respect to any settlement entered into without such Indemnifying
Party's prior consent (which will not be unreasonably withheld).

       8.     PROFIT LIMITATION.

              (a)    Notwithstanding any other provision in this Agreement or
the Reorganization Agreement, in no event shall Parent's Total Profit (as
defined below) exceed $60,000,000 (the "MAXIMUM PROFIT") and, if Parent's Total
Profit otherwise would exceed the Maximum Profit, Parent, at its sole
discretion, shall either (i) reduce the number of Option Shares subject to the
Option, (ii) deliver to the Company for cancellation Option Shares (or other
securities into which such Option Shares are converted or exchanged) previously
purchased by, or Company Shares issued by the Company pursuant to Section 7.3 of
the Reorganization Agreement ("TERMINATION FEE SHARES") (or other securities
into which such Termination Fee Shares are converted or exchanged) to, Parent,
(iii) pay cash to the Company, (iv) reduce the number of Termination Fee Shares
to be paid by the Company or (v) any combination of the foregoing, so that
Parent's actually realized Total Profit shall not exceed the Maximum Profit
after taking into account the foregoing actions; PROVIDED, HOWEVER, that to the
extent the payment by the Company of cash to Parent in satisfaction of the
Termination Fee pursuant to Section 7.3 of the Reorganization Agreement would
cause Parent's Total Profit to exceed the Maximum Profit (after Parent has had
an opportunity to reduce Parent's Total Profit pursuant to clause (iv) of this
sentence), then the Company need not pay such cash portion of the Termination
Fee.


                                      -7-
<PAGE>

              (b)    For purposes of this Agreement, "TOTAL PROFIT" shall mean:
(i) the aggregate amount (before taxes) of (A) any excess of (x) the net cash
amounts or fair market value of any property received by Parent pursuant to a
sale of Option Shares or Termination Fee Shares (or securities into which such
shares are converted or exchanged) over (y) the Parent's aggregate purchase
price for such Option Shares (or other securities), plus (B) any amounts
received by Parent pursuant on the repurchase of the Option by the Company
pursuant to Section 6, plus (C)  any termination fee paid in cash by the Company
and received by Parent pursuant to the Reorganization Agreement, minus (ii) the
amounts of any cash previously paid by Parent to the Company pursuant to this
Section 8 plus the value of the Option Shares or Termination Fee Shares (or
other securities) previously delivered by Parent to the Company for cancellation
pursuant to this Section 8.

              (c)    For purposes of Section 8(a) and clause (ii) of
Section 8(b), the value of any Option Shares delivered by Parent to the Company
shall be the Market/Tender Offer Price of such Option Shares, and the value of
any Termination Fee Shares delivered by Parent to the Company shall be the
Market/Tender Offer Price of such Termination Fee Shares (deeming the date of
notice of intent described in Section 6(a)(i) to be the date on which such
Termination Fee Shares have been issued to Parent).

       9.     ADJUSTMENT UPON CHANGES IN CAPITALIZATION OR ISSUANCE OF
TERMINATION FEE SHARES.

              (a)    In the event of any change in the Company Shares by reason
of stock dividends, stock splits, reverse stock splits, mergers (other than the
Merger), recapitalizations, combinations, exchanges of shares and the like, the
type and number of shares or securities subject to the Option, the Exercise
Price will be adjusted appropriately, and proper provision will be made in the
agreements governing such transaction so that Parent will receive, upon exercise
of the Option, the number and class of shares or other securities or property
that Parent would have received in respect of the Company Shares if the Option
had been exercised immediately prior to such event or the record date therefor,
as applicable.

              (b)    Without limiting the parties' relative rights and
obligations under the Reorganization Agreement, if the number of outstanding
Company Shares increases or decreases after the date of this Agreement (other
than pursuant to an event described in Section 9(a)) or if the Company satisfies
a portion of its obligation to pay Parent the Termination Fee pursuant to
Section 7.3 by issuing to Parent shares of Company Common Stock (the
"TERMINATION FEE SHARES"), then the number of Company Shares subject to the
Option (including those Option Shares which may have already been exercised)
will be adjusted so that the sum of the number of Company Shares subject to the
Option and the number of Termination Fee Shares equals 19.99% of the number of
Company Shares then issued and outstanding, without giving effect to any Option
Shares or Termination Fee Shares; PROVIDED, HOWEVER, that if any such reduction
in the number of Company Shares subject to the Option shall decrease Parent's
Total Profit and if such decreased Total Profit would be below the Maximum
Profit, then the Exercise Price of the Company Shares then subject to the Option
shall be reduced to the extent necessary to cause Parent's Total Profit to equal
the lesser of (i) the Maximum Profit or (ii) Parent's Total Profit in the
absence of such reduction in the number of Company Shares subject to the Option.


                                      -8-
<PAGE>

       10.    RESTRICTIVE LEGENDS.  Each certificate representing Option Shares
issued to Parent hereunder will include a legend in substantially the following
form:

       THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN
       REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY
       BE REOFFERED OR SOLD ONLY IF SO REGISTERED OR IF AN EXEMPTION FROM
       SUCH REGISTRATION  IS  AVAILABLE.  SUCH SECURITIES ARE ALSO
       SUBJECT TO ADDITIONAL RESTRICTIONS ON TRANSFER AS SET FORTH IN THE
       STOCK  OPTION  AGREEMENT DATED AS OF APRIL 5, 2000, A COPY OF
       WHICH MAY BE OBTAINED FROM THE ISSUER.

       It is understood and agreed that (i) the reference to restrictions
arising under the Securities Act in the above legend will be removed by delivery
of substitute certificate(s) without such reference if such Option Shares have
been registered pursuant to the Securities Act, such Option Shares have been
sold in reliance on and in accordance with Rule 144 under the Securities Act or
Holder has delivered to Registrant a copy of a letter from the staff of the SEC,
or an opinion of counsel in form and substance reasonably satisfactory to
Registrant and its counsel, to the effect that such legend is not required for
purposes of the Securities Act and (ii) the reference to restrictions pursuant
to this Agreement in the above legend will be removed by delivery of substitute
certificate(s) without such reference if the Option Shares evidenced by
certificate(s) containing such reference have been sold or transferred in
compliance with the provisions of this Agreement under circumstances that do not
require the retention of such reference.

       11.    LISTING AND HSR FILING.  The Company, upon the request of Parent,
will promptly file an application to list the Company Shares to be acquired upon
exercise of the Option for quotation on the Nasdaq National Market and will use
commercially reasonable efforts to obtain approval of such listing as soon as
practicable. Promptly after the date hereof, each of the parties hereto will
promptly file with the Federal Trade Commission and the Antitrust Division of
the United States Department of Justice all required premerger notification and
report forms and other documents and exhibits required to be filed under the HSR
Act to permit the acquisition of the Company Shares subject to the Option at the
earliest possible date.

       12.    BINDING EFFECT.  This Agreement will be binding upon and inure to
the benefit of the parties hereto and their respective successors and permitted
assigns.  Nothing contained in this Agreement, express or implied, is intended
to confer upon any person other than the parties hereto and their respective
successors and permitted assigns any rights or remedies of any nature whatsoever
by reason of this Agreement.  Any shares sold by a party in compliance with the
provisions of Section 7 will, upon consummation of such sale, be free of the
restrictions imposed with respect to such shares by this Agreement and any
transferee of such shares will not be entitled to the rights of such party.
Certificates representing shares sold in a registered public offering pursuant
to Section 7 will not be required to bear the legend set forth in Section 10.

       13.    SPECIFIC PERFORMANCE.  The parties hereto recognize and agree that
if for any reason any of the provisions of this Agreement are not performed in
accordance with their specific terms or are otherwise breached, immediate and
irreparable harm or injury would be caused for which money


                                      -9-
<PAGE>

damages would not be an adequate remedy. Accordingly, each party hereto agrees
that in addition to other remedies the other party hereto will be entitled to an
injunction restraining any violation or threatened violation of the provisions
of this Agreement or the right to enforce any of the covenants or agreements set
forth herein by specific performance. In the event that any action will be
brought in equity to enforce the provisions of the Agreement, neither party
hereto will allege, and each party hereto hereby waives the defense, that there
is an adequate remedy at law.

       14.    ENTIRE AGREEMENT.  This Agreement and the Reorganization Agreement
(including the appendices thereto) constitute the entire agreement between the
parties hereto with respect to the subject matter hereof and supersede all other
prior agreements and understandings, both written and oral, between the parties
hereto with respect to the subject matter hereof.

       15.    FURTHER ASSURANCES.  Each party hereto will execute and deliver
all such further documents and instruments and take all such further action as
may be necessary in order to consummate the transactions contemplated hereby.

       16.    VALIDITY.  The invalidity or unenforceability of any provision of
this Agreement will not affect the validity or enforceability of the other
provisions of this Agreement, which will remain in full force and effect.  In
the event any Governmental Entity of competent jurisdiction holds any provision
of this Agreement to be null, void or unenforceable, the parties hereto will
negotiate in good faith and will execute and deliver an amendment to this
Agreement in order, as nearly as possible, to effectuate, to the extent
permitted by law, the intent of the parties hereto with respect to such
provision.

       17.    NOTICES.  All notices and other communications hereunder will be
in writing and will be deemed given if delivered personally or by commercial
delivery service, or sent via telecopy (receipt confirmed) to the parties at the
following addresses or telecopy numbers (or at such other address or telecopy
numbers for a party as will be specified by like notice):

              (a)    if to Parent, to:

                     Peregrine Systems, Inc.
                     12670 High Bluff Drive
                     San Diego, California 92130
                     Attention:  General Counsel
                     Telecopy No.: (858) 794-5057

                     with copies to:

                     Wilson Sonsini Goodrich & Rosati
                     Professional Corporation
                     650 Page Mill Road
                     Palo Alto, California 94304-1050
                     Attention: Douglas H. Collom
                     Telecopy No.: (650) 493-6811


                                      -10-
<PAGE>

                            and

                     Wilson Sonsini Goodrich & Rosati
                     Professional Corporation
                     Spear Street Tower
                     One Market
                     San Francisco, California 94105
                     Attention: Steve L. Camahort
                     Telecopy No.: (415) 947-2099

              (b)    if to the Company, to:

                     Harbinger Corporation
                     1277 Lenox Park Boulevard
                     Atlanta, Georgia 30319
                     Attention:    James Travers
                                   Loren B. Wimpfheimer
                     Telecopy No.:        (404) 848-2864
                     And                  (404) 467-3476

                     with a copy to:

                     Brobeck, Phleger & Harrison LLP
                     Two Embarcadero Place
                     2200 Geng Road
                     Palo Alto, California 94303
                     Attention: Rod J. Howard
                     Telecopy No.: (650) 496-2885 and (650) 496-2777

       18.    GOVERNING LAW.  This Agreement will be governed by and construed
in accordance with the laws of the State of Delaware without giving effect to
the conflicts of law principles thereof.

       19.    EXPENSES.  Except as otherwise expressly provided herein or in the
Reorganization Agreement, all costs and expenses incurred in connection with the
transactions contemplated by this Agreement will be paid by the party incurring
such expenses.

       20.    AMENDMENTS; WAIVER.  This Agreement may be amended by the parties
hereto and the terms and conditions hereof may be waived only by an instrument
in writing signed on behalf of each of the parties hereto, or, in the case of a
waiver, by an instrument signed on behalf of the party waiving compliance.

       21.    ASSIGNMENT.  Neither of the parties hereto may sell, transfer,
assign or otherwise dispose of any of its rights or obligations under this
Agreement or the Option created hereunder to any other person, without the
express written consent of the other party, except that the rights and
obligations hereunder will inure to the benefit of and be binding upon any
successor of a party hereto.


                                      -11-
<PAGE>

       22.    COUNTERPARTS.  This Agreement may be executed in counterparts,
each of which will be deemed to be an original, but both of which, taken
together, will constitute one and the same instrument.

       23.    EFFECT OF HEADINGS.  The section headings are for convenience only
and shall not affect the construction or interpretation of this Agreement.


                                      -12-
<PAGE>

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

                                PEREGRINE SYSTEMS, INC.

                                Signature: /S/ STEPHEN P. GARDNER
                                          -------------------------------------
                                Print Name: Stephen P. Gardner
                                           ------------------------------------
                                Print Title: President
                                            -----------------------------------
                                HARBINGER CORPORATION

                                Signature: /S/ JAMES M. TRAVERS
                                          -------------------------------------
                                Print Name: James M. Travers
                                           ------------------------------------
                                Print Title:
                                            -----------------------------------


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