PMT SERVICES INC /TN/
SC 13D, 1998-07-06
BUSINESS SERVICES, NEC
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<PAGE>
 
                                 UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, DC 20549
                         ____________________________

                                 SCHEDULE 13D
                                (Rule 13d-101)
 

                   UNDER THE SECURITIES EXCHANGE ACT OF 1934
                                        

                              PMT SERVICES, INC.
                               (Name of Issuer)

                         COMMON STOCK, $.01 PAR VALUE
                        (Title of Class of Securities)

                                   69345710
                                (CUSIP Number)

                                James M. Bahin
             Vice Chairman, Chief Financial Officer and Secretary
                               NOVA Corporation
                       One Concourse Parkway, Suite 300
                            Atlanta, Georgia 30328
                                (770) 396-1456
            -------------------------------------------------------
(Name, address and telephone number of Person Authorized to Receive Notices and
                                Communications)

                                 June 17, 1998
            -------------------------------------------------------
            (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 that is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following
box.  [ ]


                             (Page 1 of 10 Pages)
<PAGE>
 
1.  NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    NOVA Corporation
    E.I.N. 58-2209575

2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

          (a)  ____________
          (b)  ____________

3.  SEC USE ONLY

4.  SOURCE OF FUNDS

    WC, BK (See Item 3)

5.  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM
    2(d) OR 2(e):  [ ]

6.  CITIZENSHIP OR PLACE OF ORGANIZATION

    Georgia

7.  SOLE VOTING POWER

    Up to 9,733,483 shares of common stock, par value $.01 ("PMT Common Stock")
    of PMT Services, Inc. ("PMT") underlying a common stock purchase option that
    is not exercisable as of the date hereof. NOVA Corporation holds an option
    to purchase those shares of PMT Common Stock (the "Option") that will become
    exercisable only upon the occurrence of certain events specified in the
    Option Agreement dated as of June 17, 1998, by and between NOVA Corporation
    and PMT (the "Option Agreement") that is filed herewith as Exhibit 99.1. The
    Option is exercisable for up to 19.9% of the PMT Common Stock outstanding on
    the date the Option becomes exercisable, without giving effect to the
    Option. The number of shares reported herein is approximated based on the
    number of shares of PMT Common Stock outstanding at June 17, 1998. (1) (See
    Item 5)

8.  SHARED VOTING POWER

     -0-

                             (Page 2 of 10 Pages)
<PAGE>
 
9.  SOLE DISPOSITIVE POWER

    Up to 9,733,433 shares of PMT Common Stock underlying a common stock
    purchase option that is not exercisable as of the date hereof. NOVA
    Corporation holds an option to purchase those shares, and will be entitled
    to exercise such option only upon the occurrence of certain events specified
    in the Option Agreement dated as of June 17, 1998, by and between NOVA
    Corporation and PMT, that is filed herewith as Exhibit 99.1. The Option is
    exercisable for that number of shares, equal to 19.9% of the PMT Common
    Stock outstanding on the date the Option becomes exercisable, without giving
    effect to the Option. The number of shares reported herein is approximated
    based on the number of shares of PMT Common Stock outstanding at June 17,
    1998. (1) (See Item 5)

10. SHARED DISPOSITIVE POWER

    -0-

11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          Up to 9,733,433 shares.  (See 7 and 9 above).

12.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
     [ ]


13.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11

          19.9% of the outstanding common stock of PMT, at June 17, 1998.

14.  TYPE OF REPORTING PERSON

     CO and HC

______________

(1)  Neither the filing of this statement on Schedule 13D nor any of its
     contents shall be deemed to constitute an admission by NOVA Corporation
     that it is the beneficial owner of any of the PMT Common Stock referred to
     herein for purposes of Section 13(d) of the Securities Exchange Act of
     1934, as amended (the "Exchange Act"), or for any other purpose. NOVA
     Corporation disclaims beneficial ownership of such PMT Common Stock.
     Beneficial ownership of such shares is being reported hereunder solely as a
     result of the Option, which is exercisable only in the circumstances set
     forth in the Option Agreement dated as of June 17, 1998 and which have not
     occurred as of the date hereof.

                             (Page 3 of 10 Pages)
<PAGE>
 
Item 1. Security and Issuer.
        ------------------- 

        The class of equity securities to which this schedule relates is the
common stock, par value $.01 per share (the "PMT Common Stock"), of PMT
Services, Inc., a Tennessee corporation ("PMT"), which has its principal
executive offices at 3841 Green Hills Village Drive, Nashville, Tennessee 37215.

Item 2. Identity and Background.
        ----------------------- 

   (a)  This Schedule 13D is filed by NOVA Corporation (referred to herein as 
        "NOVA Corporation" or "NOVA"), a Georgia
        corporation.

   (b)  NOVA's principal executive office is located at One Concourse Parkway,
        Suite 300, Atlanta, Georgia 30328.

   (c)  NOVA is an integrated provider of transaction processing services,
        related software application products and value-added services
        primarily to small- to medium-sized merchants.

   (d)  The names of the directors and executive officers of NOVA and their
        respective business addresses or residences, citizenship and present
        principal occupations or employment, as well as the names, principal
        businesses and addresses of any corporations or other organizations in
        which such employment is conducted, are set forth in Annex A to this
        Schedule 13D and specifically incorporated herein by reference.
        During the past five years, neither NOVA nor, to the best of NOVA's
        knowledge, any person named in Annex A to this Schedule 13D have been
        convicted in a criminal proceeding (excluding traffic violations or
        similar misdemeanors).

   (e)  During the last five years, neither NOVA nor, to the best of NOVA's
        knowledge, any person named in Annex A to this Schedule 13D has been
        a party to a civil proceeding of a judicial or administrative body of
        competent jurisdiction as a result of which NOVA or such person was or
        is subject to a judgment, decree or final order enjoining future      
        violations of, or prohibiting or mandating activities subject to,
        federal or state securities laws, or finding any violation with
        respect to such laws, and which judgment, decree or final order was
        not subsequently vacated.

   (f)  See (d) above.

Item 3. Source and Amount of Funds or Other Consideration.
        ------------------------------------------------- 

        Pursuant to the Option Agreement which is further described in Item 4,
PMT granted NOVA an option (the "Option") to purchase up to 9,733,433 shares of
PMT Common Stock (the "Option Shares") at a price of $25.16 per share,
exercisable only upon the occurrence of certain events described in the Option
Agreement. The number of Option Shares is equal to 19.9% of the number of 

                             (Page 4 of 10 Pages)
<PAGE>
 
shares of issued and outstanding PMT Common Stock as of June 17, 1998, the date
of the Option Agreement. While the number of Option Shares is subject to
adjustment upon certain events, the number of Option Shares cannot exceed 19.9%
of number of shares of issued and outstanding PMT Common Stock as of the date
the Option is exercised without giving effect to the Option Shares. Under
certain circumstances, PMT may be required to repurchase the Option or the
Option Shares acquired by NOVA pursuant to NOVA's exercise of the Option.

        The exercise of the Option for the full number of Option Shares
currently covered thereby would require aggregate funds of $244,893,174.28.
Should the Option become exercisable and should NOVA determine to exercise the
Option, NOVA will determine the source of funds to finance its exercise of the
Option at the time of exercise.

        The Option Agreement is filed as Exhibit 99.1 to this Schedule 13D and
is incorporated herein by reference.

Item 4. Purpose of Transaction.
        ---------------------- 

        PMT granted NOVA the Option in connection with the Agreement and Plan of
Merger dated as of June 17, 1998 among NOVA, Church Merger Corp., a Tennessee
corporation and newly formed, wholly-owned subsidiary of NOVA ("Merger Sub") and
PMT (the "Merger Agreement"). PMT entered into the Option Agreement as a
condition to NOVA's willingness to enter into the Merger Agreement.

        Pursuant to the Merger Agreement, Merger Sub will be merged with and
into PMT (the "Merger"), with PMT as the surviving corporation. By virtue of the
Merger and pursuant to the Merger Agreement, at the Effective Time each share of
PMT Common Stock issued and outstanding immediately before the Merger shall be
converted into the right to receive 0.715 shares of the common stock of NOVA
("NOVA Common Stock").

        Pursuant to the Option Agreement, PMT granted NOVA the Option to
purchase up to 9,733,433 shares of PMT Common Stock at a price of $25.16 per
share. The Option is exercisable only upon the occurrence of specified events.
The number of Option Shares is subject to certain adjustments so that after any
such adjustments, the number of Option Shares equals 19.9% of the number of
shares of PMT Common Stock outstanding after such adjustment, without giving
effect to any shares subject to or issued under the Option. NOVA may exercise
the Option only if both an "Initial Triggering Event" and "Subsequent Triggering
Event" occur prior to an "Exercise Termination Event" as such terms are defined
in the Option Agreement. An "Initial Triggering Event" occurs in the event that:

               (i)   Issuer or any of its Subsidiaries (each an "Issuer
          Subsidiary"), without having received Grantee's prior written consent,
          shall have entered into an agreement to engage in an "Acquisition

                             (Page 5 of 10 Pages)
    
<PAGE>
 
          Transaction" with any person (the term "person" for purposes of this
          Agreement having the meaning assigned thereto in Sections 3(a)(9) and
          13(d)(3) of the Exchange Act, and the rules and regulations
          thereunder) other than Grantee or any of its Subsidiaries (each, a
          "Grantee Subsidiary") or the Board of Directors of Issuer shall have
          recommended that the shareholders of Issuer approve or accept any
          Acquisition Transaction other than the Merger. For purposes of the
          Option Agreement, "Acquisition Transaction" shall mean (w) a merger or
          consolidation, or any similar transaction, involving Issuer or any
          "Significant Subsidiary" (as defined in Rule 1-02 of Regulation S-X
          promulgated by the Securities and Exchange Commission (the "SEC")) of
          Issuer, (x) a purchase, lease or other acquisition or assumption of
          all or a substantial portion of the assets of Issuer or any
          Significant Subsidiary of Issuer, (y) a purchase or other acquisition
          (including by way of merger, consolidation, share exchange or
          otherwise) of securities representing 15% or more of the voting power
          of Issuer, or (z) any substantially similar transaction; provided,
          however, that in no event shall any merger, consolidation or similar
          transaction permitted by, and effected in accordance with, Sections
          4.1(b)(ii)(B) or 4.1(b)(iv) of the Merger Agreement be deemed to be an
          Acquisition Transaction;

               (ii)  Issuer or any Issuer Subsidiary, without having received
          Grantee's prior written consent, shall have authorized, recommended,
          proposed or publicly announced its intention to authorize, recommend
          or propose, to engage in an Acquisition Transaction with any person
          other than Grantee or a Grantee Subsidiary, or the Board of Directors
          of Issuer shall have withdrawn or modified, or publicly announced its
          interest to withdraw or modify, in any manner adverse to Grantee, its
          recommendation that the shareholders of Issuer approve the
          transactions contemplated by the Merger Agreement in anticipation of
          engaging in an Acquisition Transaction, or the Board of Directors of
          Issuer shall not have recommended that the shareholders of Issuer
          approve the transactions contemplated by the Merger Agreement, or
          shall have abandoned the transactions contemplated by the Merger
          Agreement in each case in anticipation of engaging in an Acquisition
          Transaction;

               (iii) Any person other than Grantee, any Grantee Subsidiary or
          any Issuer Subsidiary acting in a fiduciary capacity in the ordinary
          course of its business shall have acquired beneficial ownership or the
          right to acquire beneficial ownership of 10% or more of the
          outstanding shares of Common Stock (the term "beneficial ownership"
          for purposes of the Option Agreement having the meaning assigned
          thereto in Section 13(d) of the Exchange Act, and the rules and
          regulations thereunder);

               (iv)  Any person other than Grantee or any Grantee Subsidiary
          shall have made a bona fide proposal to Issuer or its shareholders by

                             (Page 6 of 10 Pages)
<PAGE>
 
          public announcement or written communication that is or becomes the
          subject of public disclosure to engage in an Acquisition Transaction;

               (v)   After an overture is made by a third party to Issuer or its
          shareholders to engage in an Acquisition Transaction, Issuer shall
          have breached any covenant or obligation contained in the Merger
          Agreement and such breach (x) would entitle Grantee to terminate the
          Merger Agreement and (y) shall not have been cured prior to the
          "Notice Date;" or

               (vi)  The shareholders of Issuer shall have voted and failed to
          approve the Merger Agreement and the transactions contemplated thereby
          at a meeting which has been held for that purpose or any adjournment
          or postponement thereof, or such meeting shall not have been held in
          violation of the Merger Agreement or shall have been canceled prior to
          the termination of the Merger Agreement if, prior to such meeting (or,
          if such meeting shall not have been held or shall have been canceled,
          prior to such termination), it shall have been publicly announced that
          any person (other than Grantee or any of its Subsidiaries) shall have
          made, or disclosed an intention to make, a proposal to engage in an
          Acquisition Transaction.

          A "Subsequent Triggering Event" occurs in the event that:

               (i)   The acquisition by any person of beneficial ownership of
          20% or more of the then outstanding Common Stock; or

               (ii) The occurrence of the Initial Triggering Event described in
          paragraph (i) of subsection (b) of Section 2 of the Option Agreement,
          except that the percentage referred to in clause (y) thereof shall
          be 20%.

        The Option will terminate upon the earlier of specified events, set
forth in the Option Agreement, including consummation of the Merger. If the
Option becomes exercisable, the Option Agreement grants NOVA certain
registration rights under the Securities Act of 1933.

        Under certain circumstances set forth in the Option Agreement, PMT can
be required to repurchase the Option and any Option Shares at a formula price
which, in most cases, is based on the difference between (x) the price paid to
PMT or its shareholders in certain competing transactions involving the
acquisition of PMT or the highest last sale price of PMT Common Stock within a
defined period and (y) the exercise price of the Option.

        The foregoing summary of the Option Agreement is qualified in its
entirety by reference to the copy of the Option Agreement filed as Exhibit 99.1
to this Schedule 13D and  incorporated herein by reference.

        Simultaneously with the execution of the Option Agreement and the Merger
Agreement, PMT and NOVA entered into a reciprocal option agreement (the
"Reciprocal Option Agreement") whereby NOVA granted to PMT the option to
purchase up to 6,816,420 shares of NOVA Common Stock at a price of $35.19 per
share, exercisable only upon the occurrence of certain events (the "Reciprocal

                             (Pages 7 of 10 Pages)
<PAGE>
 
Option"). The number of shares of NOVA Common Stock issuable upon exercise of
the Reciprocal Option is subject to adjustment in the same manner as described
above with respect to the Option. The shares of NOVA Common Stock issuable
pursuant to the Reciprocal Option would represent up to 19.9% of the number of
shares of NOVA Common Stock then issued and outstanding, without giving effect
to the exercise of the Reciprocal Option. With the exception of the number of
shares subject to the Reciprocal Option and the exercise price of the Reciprocal
Option, the terms of the Reciprocal Option Agreement are substantially identical
to the terms of the Option Agreement.

        The Merger Agreement provides that the Board of Directors of NOVA after
the Effective Time will initially be comprised of 11 directors, including Edward
Grzedzinski, Chairman, President and Chief Executive Officer of NOVA, James M.
Bahin, Vice Chairman, Chief Financial Officer and Secretary of NOVA, Richardson
M. Roberts, Chairman and Chief Executive Officer of PMT, and Gregory S. Daily,
President of PMT. Three of the remaining directors of NOVA will be designated by
NOVA, three of the remaining directors of NOVA will be designated by PMT, and
the sole remaining director will be proposed by NOVA and approved by PMT prior
to the Effective Time. Following the Effective Time, Mr. Grzedzinski will be
Chairman, President and Chief Executive Officer of NOVA, and Mr. Roberts will be
Vice Chairman of the Board of Directors of NOVA and Chief Executive Officer of
PMT. Mr. Bahin and Mr. Dailey will also serve as Vice Chairmen of NOVA.

        The foregoing summary of the Merger Agreement is qualified in its
entirety by reference to the copy of the Merger Agreement filed as Exhibit 99.2
to this Schedule 13D and incorporated herein by reference.

        Also in connection with the Merger Agreement, certain shareholders of
PMT (collectively the "Shareholders") have entered into Shareholder Agreements
dated as of June 17, 1998 (the "Shareholder Agreements"). Pursuant to the
Shareholder Agreements, and subject to certain exceptions set forth therein, the
Shareholders have agreed to vote their shares of PMT Common Stock representing
5.9% of the PMT Common Stock outstanding as of June 17, 1998 over which they
have voting control at any meeting of shareholders of PMT called to vote upon or
in connection with any written consent of the shareholders of PMT Common Stock
with respect to transactions contemplated by the Merger Agreement, and any other
matters related thereto. The foregoing summary of the Shareholder Agreements is
qualified in its entirety by reference to copies of the Shareholder Agreements
filed as Exhibits 99.3 and 99.4 to this Schedule 13D and incorporated herein by
reference.

        Except as set forth herein and with respect to the Merger Agreement and 
the transactions contemplated therein, NOVA does not have any current plans or
proposals that relate to or would result in (i) the acquisition by any person of
additional shares of PMT Common Stock or the disposition of shares of PMT Common
Stock; (ii) an extraordinary corporate transaction, such as a merger,
reorganization or liquidation, involving PMT or any of its subsidiaries; (iii)
a sale or transfer of a material amount of assets of PMT or any of its
subsidiaries; (iv) any change in the present board of directors or management of

                             (Page 8 of 10 Pages)
<PAGE>
 
PMT, including any plans or proposals to change the number or term of directors
or to fill any vacancies on the board; (v) any material change in the present
capitalization or dividend policy of PMT; (vi) any other material change in
PMT's business or corporate structure; (vii) any change in PMT's charter or
bylaws, or instruments corresponding thereto, or other actions that may impede
the acquisition of control of PMT by any person; (viii) causing a class of
securities of PMT to be delisted from a national securities exchange or to cease
to be authorized to be quoted in an interdealer quotation system of a registered
national securities association; (ix) a class of equity securities of PMT
becoming eligible for termination of registration pursuant to Section 12(g)(4)
of the Exchange Act; or (x) any action similar to any of those enumerated above.


Item 5. Interest in Securities of the Issuer.
        ------------------------------------ 

    (a) The Option Agreement does not allow NOVA to purchase any Option Shares
pursuant thereto unless certain conditions specified in the Option Agreement
occur. However, assuming for purposes of this Item 5 that such conditions are
satisfied and NOVA is entitled to purchase shares of PMT Common Stock pursuant
to exercise of the Option, NOVA would be entitled to purchase up to 9,733,433
shares of PMT Common Stock, which represents 19.9% of the issued and outstanding
PMT Common Stock as of June 17, 1998 (subject to adjustment, as provided in 
Item 4).

    (b) NOVA does not currently have the right to acquire any shares of PMT
Common Stock under the Option unless certain events specified in the Option
Agreement occur. Accordingly, NOVA disclaims beneficial ownership of such shares
under the Exchange Act, unless and until such events occur. Based on the number
of shares of PMT Common Stock outstanding as of June 17, 1998, and assuming for
purposes of this Item 5 that events occurred that would enable NOVA to exercise
the Option, and NOVA exercised the Option, NOVA would have sole voting power and
sole dispositive power with respect to up to 9,733,433 shares of PMT Common
Stock acquired pursuant to the Option, subject to PMT's obligation to repurchase
the Option or the Option Shares as set forth in the Option Agreement.

    (c) To the best of NOVA's knowledge, no executive officer or director of
NOVA beneficially owns any shares of PMT Common Stock, nor (except for the
issuance of the Option) have any transactions in PMT Common Stock been effected
during the past 60 days by NOVA or, to the best knowledge of NOVA, by any
executive officer or director of NOVA.  In addition, no other person is known by
NOVA to have the right to receive or the power to direct the receipt of
dividends from, or the proceeds from the sale of, the securities covered by this
Schedule 13D except that the Merger Agreement restricts the ability of PMT to
pay dividends on its Common Stock.

                             (Page 9 of 10 Pages)
<PAGE>
 
    (d) Not applicable.

    (e) Not applicable.

Item 6. Contracts, Arrangements, Understandings or Relationships with Respect
        ---------------------------------------------------------------------
        to Securities of the Issuer.
        --------------------------- 

        Except as set forth in Items 3, 4 and 5 herein, neither NOVA nor, to the
best knowledge of NOVA, any of its directors or executive officers has any
contracts, arrangements, understandings or relationships (legal or otherwise)
with any other person with respect to any securities of PMT.

Item 7. Material to be Filed as Exhibits.
        -------------------------------- 

Exhibit No.

99.1:  Option Agreement, dated June 17, 1998, by and between NOVA
       Corporation and PMT Services, Inc., as the issuer, and NOVA Corporation.

99.2:  Agreement and Plan of Merger, dated June 17, 1998, by and among NOVA
       Corporation, Church Merger Corp. and PMT Services, Inc.

99.3:  Shareholder Agreement, dated June 17, 1998, by and between NOVA
       Corporation and Richardson M. Roberts.

99.4:  Shareholder Agreement, dated June 17, 1998, by and between NOVA
       Corporation and Gregory S. Daily.

  
                                  SIGNATURES
                                  ----------

       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.

                                NOVA CORPORATION



Date:    July 2, 1998                   By: /s/ James M. Bahin
     ------------------------               ----------------------------------
                                            James M. Bahin
                                            Vice Chairman, Chief Financial
                                             Officer and Secretary

                             (Page 10 of 10 Pages)
<PAGE>
 
                                    ANNEX A

                               NOVA CORPORATION

                       DIRECTORS AND EXECUTIVE OFFICERS


1.   Edward Grzedzinski

     Business Address:        NOVA Corporation
                              One Concourse Parkway, Suite 300
                              Atlanta, Georgia 30328

     Principal Occupation:    Chairman of the Board, President and Chief
                              Executive Officer

     Citizenship:             United States

2.   James M. Bahin

     Business Address:        NOVA Corporation
                              One Concourse Parkway, Suite 300
                              Atlanta, Georgia 30328

     Principal Occupation:    Vice Chairman of the Board, Chief Financial
                              Officer and Secretary

     Citizenship:             United States

3.   Pamela A. Joseph

     Business Address:        NOVA Corporation
                              One Concourse Parkway, Suite 300
                              Atlanta, Georgia 30328

     Principal Occupation:    Executive Vice President and Chief Information
                              Officer

     Citizenship:             United States
<PAGE>
 
4.   John M. Perry

     Business Address:        NOVA Corporation
                              One Concourse Parkway, Suite 300
                              Atlanta, Georgia 30328

     Principal Occupation:    Executive Vice President - Sales and Marketing

     Citizenship:             United States

5.   Rebecca L. Powell

     Business Address:        NOVA Corporation
                              One Concourse Parkway, Suite 300
                              Atlanta, Georgia 30328

     Principal Occupation:    Executive Vice President - Merchant Services
                              and Operations

     Citizenship:             United States

6.   Charles T. Cannada

     Business Address:        WorldCom, Inc.
                              515 East Amite
                              Jackson, Mississippi 39201-2702

     Principal Occupation:    Senior Vice President

     Citizenship:             United States

7.   Dr. James E. Carnes

     Business Address:        Sarnoff Corporation
                              201 Washington Road, CN 5300
                              Princeton, New Jersey 08540-6449

     Principal Occupation:    President and Chief Executive Officer

     Citizenship:             United States
<PAGE>
 
8.   U. Bertram Ellis

     Business Address:            IXL Holdings, Inc.
                                  1888 Emery Street
                                  2 Park Place - 2nd Floor
                                  Atlanta, Georgia 30318

     Principal Occupation:        Chairman and Chief Executive Officer

     Citizenship:                 United States

9.   Dr. Henry Kressel

     Business Address:            E.M. Warburg, Pincus & Co., LLC
                                  466 Lexington Avenue, 11th Floor
                                  New York, New York 10017

     Principal Occupation:        Managing Director

     Citizenship:                 United States

10.  Joseph P. Landy

     Business Address:            E.M. Warburg, Pincus & Co., LLC
                                  466 Lexington Avenue, 11th Floor
                                  New York, New York 10017

     Principal Occupation:        Managing Director

     Citizenship:                 United States

11.  Maurice F. Terbrueggen, Jr.

     Business Address:            First Union National Bank of Florida
                                  7750-1 Bayberry Road
                                  Jacksonville, Florida 32256

     Principal Occupation:        Senior Vice President and Division Manager

     Citizenship:                 United States
<PAGE>
 
12.  Stephen E. Wall

     Business Address:        KeyCorp
                              127 Public Square
                              Cleveland, Ohio 44114

     Principal Occupation:    Executive Vice President

     Citizenship:             United States

<PAGE>
                                                                    EXHIBIT 99.1

                  THE TRANSFER OF THIS AGREEMENT IS SUBJECT TO
                   CERTAIN PROVISIONS CONTAINED HEREIN AND TO
                         RESALE RESTRICTIONS UNDER THE
                       SECURITIES ACT OF 1933, AS AMENDED


     THIS STOCK OPTION AGREEMENT (the "Agreement") is made, entered into and
effective as of the 17th day of June, 1998, between PMT SERVICES, INC., a
Tennessee corporation ("Issuer") and NOVA CORPORATION, a Georgia corporation
("Grantee").

                              W I T N E S S E T H:
                              ------------------- 

     WHEREAS, Grantee and Issuer have entered into an Agreement and Plan of
Merger of even date herewith (the "Merger Agreement"), which agreement has been
executed by the parties hereto immediately prior to this Agreement; and

     WHEREAS, as a condition to Grantee's entering into the Merger Agreement and
in consideration therefor, Issuer has agreed to grant Grantee the "Option" (as
defined in Section 1(a));

     NOW, THEREFORE, in consideration of the foregoing, the mutual covenants and
agreements set forth herein and in the Merger Agreement, the parties hereto
agree as follows:

     1.  GRANT OF OPTION; ADJUSTMENT.

          (a) Issuer hereby grants to Grantee an unconditional, irrevocable
     option (the "Option") to purchase, subject to the terms hereof, up to
     9,733,433 fully paid and nonassessable shares of Issuer's Common Stock, par
     value $.01 per share ("Common Stock"),  at a price of $25.16 per share (the
     "Option Price"); provided, however, that in no event shall the number of
     shares of Common Stock for which this Option is exercisable exceed 19.9% of
     the Issuer's issued and outstanding shares of Common Stock without giving
     effect to any shares subject to or issued pursuant to the Option. The
     number of shares of Common Stock that may be received upon the exercise of
     the Option and the Option Price are subject to adjustment as herein set
     forth.

          (b) In the event that any additional shares of Common Stock are either
     (i) issued or otherwise become outstanding after the date hereof (other
     than pursuant to this Agreement) or (ii) redeemed, repurchased, retired or
     otherwise cease to be outstanding after the date of the Agreement, the
     number of shares of Common Stock subject to the Option shall be increased
     or decreased, as appropriate, so that, after such issuance, such number
     equals 19.9% of the number of shares of Common Stock then issued and
     outstanding without giving effect to any shares subject or issued pursuant
     to the Option. Nothing contained in this Section 1(b) or elsewhere in this
     Agreement shall be deemed to authorize Issuer or Grantee to breach any
     provision of the Merger Agreement.

     2.  EXERCISE OF OPTION.

          (a) The "Holder" (as defined in Section 2(a)) may exercise the Option,
     in whole or part, and from time to time, if, but only if, both an "Initial
     Triggering Event" (as defined in 
<PAGE>
 
     Section 2(b)) and a "Subsequent Triggering Event" (as defined in Section
     2(c)) shall have occurred prior to the occurrence of an "Exercise
     Termination Event" (as defined in this Section 2(a)), provided that the
     Holder shall have sent the written notice of such exercise (as provided in
     Section 2(e)) prior to the occurrence of an Exercise Termination Event.
     Each of the following shall be an "Exercise Termination Event": (i) the
     Effective Time (as defined in the Merger Agreement) of the Merger; (ii)
     termination of the Merger Agreement in accordance with the provisions
     thereof if such termination occurs prior to the occurrence of an Initial
     Triggering Event, except a termination by Grantee pursuant to Section
     7.1(b) or 7.1(c) of the Merger Agreement (unless the breach by Issuer
     giving rise to such right of termination is non-volitional); or (iii) the
     passage of 12 months after termination of the Merger Agreement if such
     termination follows the occurrence of an Initial Triggering Event or is a
     termination by Grantee pursuant to Section 7.1(b) or 7.1(c) of the Merger
     Agreement (unless the breach by Issuer giving rise to such right of
     termination is non-volitional). The term "Holder" shall mean the holder or
     holders of the Option.

          (b) The term "Initial Triggering Event" shall mean any of the
     following events or transactions occurring after the date hereof:

               (i) Issuer or any of its Subsidiaries (each an "Issuer
          Subsidiary"), without having received Grantee's prior written consent,
          shall have entered into an agreement to engage in an "Acquisition
          Transaction" (as defined in this Section 2(b)(i)) with any person (the
          term "person" for purposes of this Agreement having the meaning
          assigned thereto in Sections 3(a)(9) and 13(d)(3) of the Securities
          Exchange Act of 1934, as amended (the "1934 Act"), and the rules and
          regulations thereunder) other than Grantee or any of its Subsidiaries
          (each, a "Grantee Subsidiary") or the Board of Directors of Issuer
          shall have recommended that the shareholders of Issuer approve or
          accept any Acquisition Transaction other than the Merger. For purposes
          of this Agreement, "Acquisition Transaction" shall mean (w) a merger
          or consolidation, or any similar transaction, involving Issuer or any
          "Significant Subsidiary" (as defined in Rule 1-02 of Regulation S-X
          promulgated by the Securities and Exchange Commission (the "SEC")) of
          Issuer, (x) a purchase, lease or other acquisition or assumption of
          all or a substantial portion of the assets of Issuer or any
          Significant Subsidiary of Issuer, (y) a purchase or other acquisition
          (including by way of merger, consolidation, share exchange or
          otherwise) of securities representing 15% or more of the voting power
          of Issuer, or (z) any substantially similar transaction; provided,
          however, that in no event shall any merger, consolidation or similar
          transaction permitted by, and effected in accordance with, Sections
          4.1(b)(ii)(B) or 4.1(b)(iv) of the Merger Agreement be deemed to be an
          Acquisition Transaction;

               (ii) Issuer or any Issuer Subsidiary, without having received
          Grantee's prior written consent, shall have authorized, recommended,
          proposed or publicly announced its intention to authorize, recommend
          or propose, to engage in an Acquisition Transaction with any person
          other than Grantee or a Grantee Subsidiary, or the Board of Directors
          of Issuer shall have withdrawn or modified, or publicly announced its
          interest to withdraw or modify, in any manner adverse to Grantee, its
          recommendation that the shareholders of Issuer approve the
          transactions contemplated by the Merger Agreement in anticipation of
          engaging in an Acquisition Transaction, or the Board of Directors of
          Issuer shall not have recommended that the shareholders of Issuer
          approve the transactions contemplated 

                                       2
<PAGE>
 
          by the Merger Agreement, or shall have abandoned the transactions
          contemplated by the Merger Agreement in each case in anticipation of
          engaging in an Acquisition Transaction;

               (iii)  Any person other than Grantee, any Grantee Subsidiary or
          any Issuer Subsidiary acting in a fiduciary capacity in the ordinary
          course of its business shall have acquired beneficial ownership or the
          right to acquire beneficial ownership of 10% or more of the
          outstanding shares of Common Stock (the term "beneficial ownership"
          for purposes of this Agreement having the meaning assigned thereto in
          Section 13(d) of the 1934 Act, and the rules and regulations
          thereunder);

               (iv) Any person other than Grantee or any Grantee Subsidiary
          shall have made a bona fide proposal to Issuer or its shareholders by
          public announcement or written communication that is or becomes the
          subject of public disclosure to engage in an Acquisition Transaction;

               (v) After an overture is made by a third party to Issuer or its
          shareholders to engage in an Acquisition Transaction, Issuer shall
          have breached any covenant or obligation contained in the Merger
          Agreement and such breach (x) would entitle Grantee to terminate the
          Merger Agreement and (y) shall not have been cured prior to the
          "Notice Date" (as defined in Section 2(e)); or

               (vi) The shareholders of Issuer shall have voted and failed to
          approve the Merger Agreement and the transactions contemplated thereby
          at a meeting which has been held for that purpose or any adjournment
          or postponement thereof, or such meeting shall not have been held in
          violation of the Merger Agreement or shall have been cancelled prior
          to the termination of the Merger Agreement if, prior to such meeting
          (or, if such meeting shall not have been held or shall have been
          cancelled, prior to such termination), it shall have been publicly
          announced that any person (other than Grantee or any of its
          Subsidiaries) shall have made, or disclosed an intention to make, a
          proposal to engage in an Acquisition Transaction.

          (c) The term "Subsequent Triggering Event" shall mean either of the
     following events or transactions occurring after the date hereof:

               (i) The acquisition by any person of beneficial ownership of 20%
          or more of the then outstanding Common Stock; or

               (ii) The occurrence of the Initial Triggering Event described in
          paragraph (i) of subsection (b) of this Section 2, except that the
          percentage referred to in clause (y) thereof shall be 20%.

          (d) Issuer shall notify Grantee promptly in writing of the occurrence
     of any Initial Triggering Event or Subsequent Triggering Event of which it
     has notice (together, a "Triggering Event"), it being understood that the
     giving of such notice by Issuer shall not be a condition to the right of
     the Holder to exercise the Option.

                                       3
<PAGE>
 
          (e) In the event the Holder is entitled to and wishes to exercise the
     Option, it shall send to Issuer a written notice (the date of which notice
     is herein referred to as the "Notice Date") specifying (i) the total number
     of shares of Common Stock it will purchase pursuant to such exercise and
     (ii) a place and date, not earlier than three business days nor later than
     60 business days from the Notice Date, for the closing (the "Closing") of
     such purchase (the "Closing Date").  Any exercise of the Option shall be
     deemed to occur on the Notice Date relating thereto.

          (f) At the Closing, the Holder shall pay to Issuer the aggregate
     purchase price for the shares of Common Stock purchased pursuant to the
     exercise of the Option in immediately available funds by wire transfer to a
     bank account designated by Issuer, provided that failure or refusal of
     Issuer to designate such a bank account shall not preclude the Holder from
     exercising the Option.

          (g) At the Closing, simultaneously with the delivery of immediately
     available funds as provided in Section 2(f), Issuer shall deliver to the
     Holder a certificate or certificates representing the number of shares of
     Common Stock purchased by the Holder and, if the Option should be exercised
     in part only, a new Option evidencing the rights of the Holder thereof to
     purchase the balance of the shares purchasable hereunder, and the Holder
     shall deliver to Issuer a copy of this Agreement and a letter agreeing that
     the Holder will not offer to sell or otherwise dispose of such shares in
     violation of applicable law or the provisions of this Agreement.

          (h) Certificates for Common Stock delivered at Closing may be endorsed
     with a restrictive legend that shall read substantially as follows:

          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 JUNE 17, 1998, A COPY OF WHICH MAY BE OBTAINED
          FROM THE ISSUER.

     It is understood and agreed that: (i) the reference to the resale
     restrictions of the Securities Act of 1933, as amended (the "1933 Act"), in
     the above legend shall be removed by delivery of substitute certificate(s)
     without such reference if the Holder shall have delivered to Issuer a copy
     of a letter from the staff of the SEC, or an opinion of counsel, in form
     and substance reasonably satisfactory to Issuer, to the effect that such
     legend is not required for purposes of the 1933 Act; (ii) the reference to
     the provisions to this Agreement in the above legend shall be removed by
     delivery of substitute certificate(s) without such reference if the shares
     have been sold or transferred in compliance with the provisions of this
     Agreement and under circumstances that do not require the retention of such
     reference; and (iii) the legend shall be removed in its entirety if the
     conditions in the preceding clauses (i) and (ii) are both satisfied.  In
     addition, such certificates shall bear any other legend as may be required
     by law.

          (i) Upon the giving by the Holder to Issuer of the written notice of
     exercise of the Option provided for under Section 2(e) and the tender of
     the applicable purchase price in immediately available funds, the Holder
     shall be deemed to be the holder of record of the shares of Common Stock
     issuable upon such exercise, notwithstanding that the stock transfer books
     of Issuer shall then be closed or that certificates representing such
     shares of Common Stock shall not 

                                       4
<PAGE>
 
     then be actually delivered to the Holder. Issuer shall pay all expenses,
     and any and all United States federal, state and local taxes and other
     charges that may be payable in connection with the preparation, issue and
     delivery of stock certificates under this Section 2 in the name of the
     Holder or its assignee, transferee or designee.

     3.   AGREEMENT BY ISSUER.  Issuer agrees:  (i) that it shall at all times
maintain, free from preemptive rights, sufficient authorized but unissued or
treasury shares of Common Stock so that the Option may be exercised without
additional authorization of Common Stock after giving effect to all other
options, warrants, convertible securities and other rights to purchase Common
Stock; (ii) that it will not, by charter amendment or through reorganization,
consolidation, merger, dissolution or sale of assets, or by any other voluntary
act, avoid or seek to avoid the observance or performance of any of the
covenants, stipulations or conditions to be observed or performed hereunder by
Issuer; (iii) that it will promptly take all action as may from time to time be
required (including complying with all premerger notification, reporting and
waiting period requirements specified in 15 U.S.C. Section 18a and regulations
promulgated thereunder) in order to permit the Holder to exercise the Option and
Issuer duly and effectively to issue shares of Common Stock pursuant hereto; and
(iv) that it will promptly take all action provided herein to protect the rights
of the Holder against dilution.

     4.   EXCHANGE.  This Agreement (and the Option granted hereby) are
exchangeable, without expense, at the option of the Holder, upon presentation
and surrender of this Agreement at the principal office of Issuer, for other
Agreements providing for Options of different denominations entitling the holder
thereof to purchase, on the same terms and subject to the same conditions as are
set forth herein, in the aggregate the same number of shares of Common Stock
purchasable hereunder. The terms "Agreement" and "Option" as used in this
Section 4 include any Stock Option Agreements and related Options for which this
Agreement (and the Option granted hereby) may be exchanged. Upon receipt by
Issuer of evidence reasonably satisfactory to it of the loss, theft, destruction
or mutilation of this Agreement, and (in the case of loss, theft or destruction)
of reasonably satisfactory indemnification, and upon surrender and cancellation
of this Agreement, if mutilated, Issuer will execute and deliver a new Agreement
of like tenor and date. Any such new Agreement executed and delivered shall
constitute an additional contractual obligation on the part of Issuer, whether
or not the Agreement so lost, stolen, destroyed or mutilated shall at any time
be enforceable by anyone.

     5.   ADJUSTMENT.  In addition to the adjustment in the number of shares of
Common Stock that are purchasable upon exercise of the Option pursuant to
Section 1 of this Agreement, the number of shares of Common Stock purchasable
upon the exercise of the Option and the Option Price shall be subject to
adjustment from time to time as provided in this Section 5. In the event of any
change in, or distributions in respect of, the Common Stock by reason of stock
dividends, split-ups, mergers, recapitalizations, combinations, subdivisions,
conversions, exchanges of shares, distributions on or in respect of the Common
Stock that would be prohibited under the terms of the Merger Agreement, or the
like, the type and number of shares of Common Stock purchasable upon exercise
hereof and the Option Price shall be appropriately adjusted in such manner as
shall fully preserve the economic benefits provided hereunder and proper
provision shall be made in any agreement governing any such transaction to
provide for such proper adjustment and the full satisfaction of the Issuer's
obligations hereunder.

     6.   REGISTRATION.  Upon the occurrence of a Subsequent Triggering Event
that occurs prior to an Exercise Termination Event, Issuer shall, at the request
of Grantee delivered within 90 days of such Subsequent Triggering Event (whether
on its own behalf or on behalf of any subsequent holder of this 

                                       5
<PAGE>
 
Option (or part thereof) or any of the shares of Common Stock issued pursuant
hereto), promptly prepare, file and keep current a shelf registration statement
under the 1933 Act covering this Option and any shares of Common Stock or other
securities issued and issuable pursuant to this Option and shall use its
reasonable best efforts to cause such registration statement to become effective
and remain current in order to permit the sale or other disposition of this
Option and any shares of Common Stock issued upon total or partial exercise of
this Option ("Option Shares") in accordance with any plan of disposition
reasonably requested by Grantee. Issuer will use its reasonable best efforts to
cause such registration statement first to become effective and then to remain
effective for such period not in excess of 180 days from the day such
registration statement first becomes effective or such shorter time as may be
reasonably necessary to effect such sales or other dispositions. Grantee shall
have the right to demand two such registrations. The foregoing notwithstanding,
if, at the time of any request by Grantee for registration of the Option or
Option Shares as provided above, Issuer is in registration with respect to an
underwritten public offering of shares of Common Stock, and if in the good faith
judgment of the managing underwriter or managing underwriters, or, if none, the
sole underwriter or underwriters, of such offering the inclusion of the Holder's
Option or Option Shares would interfere with the successful marketing of the
shares of Common Stock offered by Issuer, the number of Option Shares otherwise
to be covered in the registration statement contemplated hereby may be reduced;
and provided, however, that after any such required reduction the number of
Option Shares to be included in such offering for the account of the Holder
shall constitute at least 25% of the total number of shares to be sold by the
Holder and Issuer in the aggregate; and provided further, however, that if such
reduction occurs, then the Issuer shall file a registration statement for the
balance as promptly as practicable and no reduction shall thereafter occur. Each
such Holder shall provide all information reasonably requested by Issuer for
inclusion in any registration statement to be filed hereunder. If requested by
any such Holder in connection with such registration, Issuer shall become a
party to any underwriting agreement relating to the sale of such shares, but
only to the extent of obligating itself in respect of representations,
warranties, indemnities and other agreements customarily included in secondary
offering underwriting agreements for the Issuer. Upon receiving any request
under this Section 6 from any Holder, Issuer agrees to send a copy thereof to
any other person known to Issuer to be entitled to registration rights under
this Section 6, in each case by promptly mailing the same, postage prepaid, to
the address of record of the persons entitled to receive such copies.
Notwithstanding anything to the contrary contained herein, in no event shall
Issuer be obligated to effect more than two registrations pursuant to this
Section 6 by reason of the fact that there shall be more than one Grantee as a
result of any assignment or division of this Agreement.
 
     7.   REPURCHASE.

          (a) Immediately prior to the occurrence of a "Repurchase Event" (as
     defined in Section 7(d)), (i) following a request of the Holder, delivered
     prior to an Exercise Termination Event, Issuer (or any successor thereto)
     shall repurchase the Option from the Holder at a price (the "Option
     Repurchase Price") equal to the amount by which (A) the "Market/Offer
     Price" (as defined in this Section 7(a)) exceeds (B) the Option Price,
     multiplied by the number of shares for which this Option may then be
     exercised, and (ii) at the request of the owner of Option Shares from time
     to time (the "Owner"), delivered within 90 days of the occurrence of such
     Repurchase Event (or such later period as provided in Section 10), Issuer
     shall repurchase such number of the Option Shares from the Owner as the
     Owner shall designate at a price (the "Option Share Repurchase Price")
     equal to the Market/Offer Price multiplied by the number of Option Shares
     so designated. The term "Market/Offer Price" shall mean the highest of (i)
     the price per share of Common Stock at which a tender offer or exchange
     offer therefor has been made, (ii) the price per 

                                       6
<PAGE>
 
     share of Common Stock to be paid by any third party pursuant to an
     agreement with Issuer, (iii) the highest closing price for shares of Common
     Stock within the 90-day period immediately preceding the date the Holder
     gives notice of the required repurchase of this Option or the Owner gives
     notice of the required repurchase of Option Shares, as the case may be, or
     (iv) in the event of a sale of all or a substantial portion of Issuer's
     assets, the sum of the price paid in such sale for such assets and the
     current market value of the remaining assets of Issuer as determined by a
     nationally recognized investment banking firm selected by the Holder or the
     Owner, as the case may be, and reasonably acceptable to the Issuer, divided
     by the number of shares of Common Stock of Issuer outstanding at the time
     of such sale. In determining the Market/Offer Price, the value of
     consideration other than cash shall be determined by a nationally
     recognized investment banking firm selected by the Holder or Owner, as the
     case may be, and reasonably acceptable to the Issuer.

          (b) The Holder and the Owner, as the case may be, may exercise its
     right to require Issuer to repurchase the Option and any Option Shares
     pursuant to this Section 7 by surrendering for such purpose to Issuer, at
     its principal office, a copy of this Agreement or certificates for Option
     Shares, as applicable, accompanied by a written notice or notices stating
     that the Holder or the Owner, as the case may be, elects to require Issuer
     to repurchase this Option and/or the Option Shares in accordance with the
     provisions of this Section 7. At the later to occur of (x) within five
     business days after the surrender of the Option and/or certificates
     representing Option Shares and the receipt of such notice or notices
     relating thereto and (y) the time that is immediately prior to the
     occurrence of a Repurchase Event, Issuer shall deliver or cause to be
     delivered to the Holder the Option Repurchase Price and/or to the Owner the
     Option Share Repurchase Price therefor or the portion thereof, if any, that
     Issuer is not then prohibited under applicable law and regulation from so
     delivering.

          (c) (i) To the extent that Issuer is prohibited under applicable law
     or regulation (with the exception of TBCA (S) 48-103-501 et seq. (the
                                                              -- ---      
     "Greenmail Act"), in which event Section 7(c)(ii) shall govern) from
     repurchasing the Option and/or the Option Shares in full, then the Holder
     and/or Owner may in its sole discretion elect to proceed under this Section
     7(c)(i).  If the Holder and/or Owner elects to proceed under this Section
     7(c)(i), Issuer shall immediately so notify the Holder and/or the Owner and
     thereafter deliver or cause to be delivered, from time to time, to the
     Holder and/or the Owner, as appropriate, the portion of the Option
     Repurchase Price and the Option Share Repurchase Price, respectively, that
     it is no longer prohibited from delivering, within five business days after
     the date on which Issuer is no longer so prohibited; provided, however,
     that if Issuer at any time after delivery to it of a notice of repurchase
     pursuant to paragraph (b) of this Section 7 is prohibited under applicable
     law or regulation from delivering to the Holder and/or the Owner, as
     appropriate, the Option Repurchase Price and the Option Share Repurchase
     Price, respectively, in full (and Issuer hereby undertakes to use its best
     efforts to obtain all required regulatory and legal approvals and to file
     any required notices, in each case as promptly as practicable in order to
     accomplish such repurchase), the Holder or Owner may revoke its notice of
     repurchase of the Option or the Option Shares either in whole or to the
     extent of the prohibition, whereupon, in the latter case, Issuer shall
     promptly (i) deliver to the Holder and/or the Owner, as appropriate, that
     portion of the Option Repurchase Price or the Option Share Repurchase Price
     that Issuer is not prohibited from delivering; and (ii) deliver, as
     appropriate, either (A) to the Holder, a new Stock Option Agreement
     evidencing the right of the Holder to purchase that number of shares of
     Common Stock obtained by multiplying the number of shares of Common Stock
     for 

                                       7
<PAGE>
 
     which the surrendered Stock Option Agreement was exercisable at the time of
     delivery of the notice of repurchase by a fraction, the numerator of which
     is the Option Repurchase Price less the portion thereof theretofore
     delivered to the Holder and the denominator of which is the Option
     Repurchase Price, or (B) to the Owner, a certificate for the Option Shares
     it is then so prohibited from repurchasing.

               (ii) In the event that the Greenmail Act is deemed to be
     applicable to the repurchase of the Option and/or the Option Shares, and
     the Holder and/or Owner elects to proceed under this Section 7(c)(ii) and
     complies with the notice requirements set forth in Section 7(a), then
     Issuer shall be required to repurchase the Option at the Option Repurchase
     Price (as calculated in accordance with Section 7(c)(ii)(A)) and/or the
     Option Shares at the Option Share Repurchase Price (as calculated in
     accordance with Section 7(c)(ii)(B)).

                    (A) With respect to a repurchase of the Option, if the
               Market/Offer Price is or must be reduced in order to comply or
               allow compliance with the Greenmail Act (such reduced
               Market/Offer Price being referred to herein as the "Reduced
               Market/Offer Price"), then the Issuer shall repurchase the Option
               from the Holder at a price equal to the Reduced Market/Offer
               Price minus the Option Price, multiplied by the number of shares
               for which the Option may then be exercised, provided, however,
                                                           --------  ------- 
               that if, after giving effect to such reduction, the Reduced
               Market/Offer Price would be an amount less than the Option Price,
               then, for purposes of this Section 7(c)(ii)(A), the Option Price
               will automatically be decreased (such decreased Option Price
               being referred to herein as the "Reduced Option Price") to the
               extent necessary such that subtracting the Reduced Option Price
               from the Reduced Market/Offer Price yields a difference of $.05
               per share which amount shall be adjusted as appropriate to
               reflect any stock dividends, split-ups, mergers,
               recapitalizations, combinations, subdivisions, conversions,
               exchanges of shares, or distributions relating to the Common
               Stock (the "Adjusted Option Price"), and in such event, the
               Issuer shall repurchase the Option for $.05, or the Adjusted
               Option Price, as the case may be, multiplied by the number of
               shares for which the Option may then be exercised.

                    (B) With respect to the repurchase of the Option Shares, if
               the Market/Offer Price is or must be reduced in order to comply
               or allow compliance with the Greenmail Act (such reduced
               Market/Offer Price being referred to herein as the "Reduced
               Market/Offer Price"), then Issuer shall repurchase such number of
               the Option Shares as the Owner shall designate at a price equal
               to the Reduced Market/Offer Price multiplied by the number of
               Option Shares so designated.

          (d) For purposes of this Section 7, a "Repurchase Event" shall be
     deemed to have occurred (i) upon the consummation of any merger,
     consolidation or similar transaction involving Issuer or any purchase,
     lease or other acquisition of all or a substantial portion of the assets of
     Issuer, other than any such transaction which would not constitute an
     Acquisition Transaction pursuant to the provisos to Section 2(b)(i) hereof,
     or (ii) upon the acquisition by any person of beneficial ownership of 50%
     or more of the then outstanding shares of Common Stock, provided that no
     such event shall constitute a Repurchase Event unless a Subsequent
     Triggering Event shall have occurred prior to an Exercise Termination
     Event. The parties hereto agree that Issuer's 

                                       8
<PAGE>
 
     obligations to repurchase the Option or Option Shares under this Section 7
     shall not terminate upon the occurrence of an Exercise Termination Event
     unless no Subsequent Triggering Event shall have occurred prior to the
     occurrence of an Exercise Termination Event.

     8.   SUBSTITUTE OPTION.

          (a) In the event that, prior to an Exercise Termination Event, Issuer
     shall enter into an agreement (i) to consolidate with or merge into any
     person, other than Grantee or one of its Subsidiaries, and shall not be the
     continuing or surviving corporation of such consolidation or merger, (ii)
     to permit any person, other than Grantee or one of its Subsidiaries, to
     merge into Issuer, and Issuer shall be the continuing or surviving
     corporation, but, in connection with such merger, the then outstanding
     shares of Common Stock shall be changed into or exchanged for stock or
     other securities of any other person or cash or any other property or the
     then outstanding shares of Common Stock shall after such merger represent
     less than 50% of the outstanding voting shares and voting share equivalents
     of the merged company, or (iii) to sell or otherwise transfer all or
     substantially all of its assets to any person, other than Grantee or one of
     its Subsidiaries, then, and in each such case, the agreement governing such
     transaction shall make proper provision so that the Option shall, upon the
     consummation of any such transaction and upon the terms and conditions set
     forth herein, be converted into, or exchanged for, an option (the
     "Substitute Option"), at the election of the Holder, of either (x) the
     "Acquiring Corporation" (as defined in Section 8(b)) or (y) any person that
     controls the Acquiring Corporation.

          (b) The following terms have the meanings indicated:

               (A) "Acquiring Corporation" shall mean (i) the continuing or
          surviving corporation of a consolidation or merger with Issuer (if
          other than Issuer), (ii) Issuer, in a merger in which Issuer is the
          continuing or surviving person, and (iii) the transferee of all or
          substantially all of Issuer's assets.

               (B) "Substitute Common Stock" shall mean the common stock issued
          by the issuer of the Substitute Option upon exercise of the Substitute
          Option.

               (C)  "Assigned Value" shall mean the Market/Offer Price, as
          defined in Section 7.

               (D) "Average Price" shall mean the average closing price of a
          share of the Substitute Common Stock for the one year immediately
          preceding the consolidation, merger or sale in question, but in no
          event higher than the closing price of the shares of Substitute Common
          Stock on the day preceding such consolidation, merger or sale;
          provided that if Issuer is the issuer of the Substitute Option, the
          Average Price shall be computed with respect to a share of common
          stock issued by the person merging into Issuer or by any company which
          controls or is controlled by such person, as the Holder may elect.

          (c) The Substitute Option shall have the same terms as the Option,
     provided, that if the terms of the Substitute Option cannot, for legal
     reasons, have the same terms as the Option, such terms shall be as similar
     as possible and in no event less advantageous to the Holder. The 

                                       9
<PAGE>
 
     issuer of the Substitute Option shall also enter into an agreement with the
     then Holder or Holders of the Substitute Option in substantially the same
     form as this Agreement, which shall be applicable to the Substitute Option.

          (d) The Substitute Option shall be exercisable for such number of
     shares of Substitute Common Stock as is equal to the Assigned Value
     multiplied by the number of shares of Common Stock for which the Option is
     then exercisable, divided by the Average Price. The exercise price of the
     Substitute Option per share of Substitute Common Stock shall then be equal
     to the Option Price multiplied by a fraction, the numerator of which shall
     be the number of shares of Common Stock for which the Option is then
     exercisable and the denominator of which shall be the number of shares of
     Substitute Common Stock for which the Substitute Option is exercisable.

          (e) In no event, pursuant to any of the foregoing paragraphs, shall
     the Substitute Option be exercisable for more than 19.9% of the shares of
     Substitute Common Stock outstanding prior to exercise of the Substitute
     Option. In the event that the Substitute Option would be exercisable for
     more than 19.9% of the shares of Substitute Common Stock outstanding prior
     to exercise but for this Section 8(e), the issuer of the Substitute Option
     (the "Substitute Option Issuer") shall make a cash payment to Holder equal
     to the excess of (i) the value of the Substitute Option, without giving
     effect to the limitation in this Section 8(e), over (ii) the value of the
     Substitute Option, after giving effect to the limitation in this Section
     8(e). This difference in value shall be determined by a nationally
     recognized investment banking firm selected by the Holder or the Owner, as
     the case may be, and reasonably acceptable to the Acquiring Corporation.

          (f) Issuer shall not enter into any transaction described in Section
     8(a) unless the Acquiring Corporation and any person that controls the
     Acquiring Corporation assume in writing all the obligations of Issuer
     hereunder.

     9.   REPURCHASE OF SUBSTITUTE OPTION.

          (a) At the request of the holder of the Substitute Option (the
     "Substitute Option Holder"), the Substitute Option Issuer shall repurchase
     the Substitute Option from the Substitute Option Holder at a price (the
     "Substitute Option Repurchase Price") equal to the amount by which (i) the
     "Highest Closing Price" (as defined in Section 9(a)) exceeds (ii) the
     exercise price of the Substitute Option, multiplied by the number of shares
     of Substitute Common Stock for which the Substitute Option may then be
     exercised, and at the request of the owner (the "Substitute Share Owner")
     of shares of Substitute Common Stock (the "Substitute Shares"), the
     Substitute Option Issuer shall repurchase the Substitute Shares at a price
     (the "Substitute Share Repurchase Price") equal to the Highest Closing
     Price multiplied by the number of Substitute Shares so designated. The term
     "Highest Closing Price" shall mean the highest closing price for shares of
     Substitute Common Stock within the 90-day period immediately preceding the
     date the Substitute Option Holder gives notice of the required repurchase
     of the Substitute Option or the Substitute Share Owner gives notice of the
     required repurchase of the Substitute Shares, as applicable.

          (b) The Substitute Option Holder and the Substitute Share Owner, as
     the case may be, may exercise its respective right to require the
     Substitute Option Issuer to repurchase the Substitute Option and the
     Substitute Shares pursuant to this Section 9 by surrendering for such
     purpose to the Substitute Option Issuer, at its principal office, the
     agreement for such Substitute Option (or, in the 

                                       10
<PAGE>
 
     absence of such an agreement, a copy of this Agreement) and certificates
     for Substitute Shares accompanied by a written notice or notices stating
     that the Substitute Option Holder or the Substitute Share Owner, as the
     case may be, elects to require the Substitute Option Issuer to repurchase
     the Substitute Option and/or the Substitute Shares in accordance with the
     provisions of this Section 9. As promptly as practicable, and in any event
     within five business days after the surrender of the Substitute Option
     and/or certificates representing Substitute Shares and the receipt of such
     notice or notices relating thereto, the Substitute Option Issuer shall
     deliver or cause to be delivered to the Substitute Option Holder the
     Substitute Option Repurchase Price (and/or to the Substitute Share Owner
     the Substitute Share Repurchase Price) therefor or, in either case, the
     portion thereof which the Substitute Option Issuer is not then prohibited
     under applicable law and regulation from so delivering.

          (c) (i) To the extent that the Substitute Option Issuer is prohibited
     under applicable law or regulation (with the exception of the Greenmail
     Act, in which event Section 9(c)(ii) shall govern) from repurchasing the
     Substitute Option and/or the Substitute Shares in part or in full, then the
     Substitute Option Holder and/or Substitute Share Owner may in its sole
     discretion elect to proceed under this Section 9(c)(i).  If the Substitute
     Option Holder (and/or the Substitute Share Owner) elects to proceed under
     this Section 9(c)(i), the Substitute Option Issuer, following a request for
     repurchase pursuant to this Section 9, shall immediately so notify the
     Substitute Option Holder (and/or the Substitute Share Owner), and
     thereafter deliver or cause to be delivered, from time to time, to the
     Substitute Option Holder and/or the Substitute Share Owner, as appropriate,
     the portion of the Substitute Share Repurchase Price, or the Substitute
     Share Repurchase Price, respectively, which it is no longer prohibited from
     delivering, within five business days after the date on which the
     Substitute Option Issuer is no longer so prohibited; provided, however,
     that if the Substitute Option Issuer is at any time after delivery of a
     notice of repurchase pursuant to Section 9(b) prohibited under applicable
     law or regulation from delivering to the Substitute Option Holder and/or
     the Substitute Share Owner, as appropriate, the Substitute Option
     Repurchase Price and the Substitute Share Repurchase Price, respectively,
     in full (and the Substitute Option Issuer shall use its best efforts to
     obtain all required regulatory and legal approvals, in each case as
     promptly as practicable, in order to accomplish such repurchase), the
     Substitute Option Holder or Substitute Share Owner may revoke its notice of
     repurchase of the Substitute Option or the Substitute Shares either in
     whole or to the extent of the prohibition, whereupon, in the latter case,
     the Substitute Option Issuer shall promptly (i) deliver to the Substitute
     Option Holder or Substitute Share Owner, as appropriate, that portion of
     the Substitute Option Repurchase Price or the Substitute Share Repurchase
     Price that the Substitute Option Issuer is not prohibited from delivering;
     and (ii) deliver, as appropriate, either (A) to the Substitute Option
     Holder, a new Substitute Option evidencing the right of the Substitute
     Option Holder to purchase that number of shares of the Substitute Common
     Stock obtained by multiplying the number of shares of the Substitute Common
     Stock for which the surrendered Substitute Option was exercisable at the
     time of delivery of the notice of repurchase by a fraction, the numerator
     of which is the Substitute Option Repurchase Price less the portion thereof
     theretofore delivered to the Substitute Option Holder and the denominator
     of which is the Substitute Option Repurchase Price, or (B) to the
     Substitute Share Owner, a certificate for the Substitute Shares it is then
     so prohibited from repurchasing.

               (ii) In the event that the Greenmail Act is deemed to be
     applicable to the repurchase of the Substitute Option and/or Substitute
     Shares, and the Substitute Option Holder 

                                       11
<PAGE>
 
     and/or Substitute Share Owner elects to proceed under this Section
     9(c)(ii), and at the request of the Substitute Option Holder and/or the
     Substitute Share Owner, then the Substitute Option Issuer shall be required
     to repurchase the Substitute Option at the Substitute Option Repurchase
     Price (as calculated in accordance with Section 9(c)(ii)(A)) and/or the
     Substitute Shares at the Substitute Share Repurchase Price (as calculated
     in accordance with Section 9(c)(ii)(B).

                    (A) With respect to the repurchase of the Substitute Option,
               if the Highest Closing Price is or must be reduced in order to
               comply or allow compliance with the Greenmail Act (such reduced
               Highest Closing Price being referred to herein as the "Reduced
               Highest Closing Price"), then the Substitute Option Issuer shall
               repurchase the Substitute Option from the Substitute Option
               Holder at a price equal to the Reduced Highest Closing Price
               minus the exercise price of the Substitute Option, multiplied by
               the number of Substitute Shares for which the Substitute Option
               may then be exercised; provided, however, that if, after giving
                                      --------  -------                       
               effect to such reduction, the Reduced Highest Closing Price would
               be an amount less than the exercise price of the Substitute
               Option, then the exercise price of the Substitute Option will
               automatically be decreased (such decreased exercise price being
               referred to herein as the "Reduced Substitute Exercise Price") to
               the extent necessary such that subtracting the Reduced Substitute
               Exercise Price from the Reduced Highest Closing Price yields a
               resulting Substitute Option Repurchase Price of $.05 per share
               which amount shall be adjusted as appropriate to reflect any
               stock dividends, split-ups, mergers, recapitalizations,
               combinations, subdivisions, conversions, exchanges of shares, or
               distributions relating to the Common Stock (the "Adjusted
               Substitute Option Price"), and in such event, the Substitute
               Option Issuer shall repurchase the Substitute Option for $.05, or
               the Adjusted Substitute Option Price, as the case may be,
               multiplied by the number of shares for which the Substitute
               Option may then be exercised.

                    (B) With respect to the repurchase of the Substitute Shares,
               if the Highest Closing Price is or must be reduced in order to
               comply or allow compliance with the Greenmail Act (such reduced
               Highest Closing Price being referred to herein as the "Reduced
               Highest Closing Price"), then the Substitute Option Issuer shall
               repurchase such number of the Substitute Shares at a price equal
               to the Reduced Highest Closing Price multiplied by the number of
               Substitute Shares so designated.

     10.  EXTENSION.  The periods for exercise of certain rights under Sections
2, 6, 7 and 13 shall be extended: (i) to the extent necessary to obtain all
regulatory approvals for the exercise of such rights, and to permit the
expiration of all statutory waiting periods; and (ii) to the extent necessary to
avoid liability under Section 16(b) of the 1934 Act by reason of such exercise.

     11.  REPRESENTATIONS AND WARRANTIES OF ISSUER.  Issuer hereby represents
and warrants to Grantee as follows:

          (a) Issuer has full corporate power and authority to execute and
     deliver this Agreement and to consummate the transactions contemplated
     hereby. The execution and delivery of this Agreement and the consummation
     of the transactions contemplated hereby have been duly and 

                                       12
<PAGE>
 
     validly authorized by the Board of Directors of Issuer, and no other
     corporate proceedings on the part of Issuer are necessary to authorize this
     Agreement or to consummate the transactions so contemplated. This Agreement
     has been duly and validly executed and delivered by Issuer.

          (b) Issuer has taken all necessary corporate action to authorize and
     reserve and to permit it to issue, and at all times from the date hereof
     through the termination of this Agreement in accordance with its terms will
     have reserved for issuance upon the exercise of the Option, that number of
     shares of Common Stock equal to the maximum number of shares of Common
     Stock at any time and from time to time issuable hereunder, and all such
     shares, upon issuance pursuant hereto, will be duly authorized, validly
     issued, fully paid, nonassessable, and will be delivered free and clear of
     all claims, liens, encumbrances and security interests and not subject to
     any preemptive rights.

     12.  REPRESENTATION AND WARRANTIES OF GRANTEE.  Grantee hereby represents
and warrants to Issuer as follows:

          (a) Grantee has all requisite corporate power and authority to enter
     into this Agreement and, subject to any approvals or consents referred to
     herein, to consummate the transactions contemplated hereby. The execution
     and delivery of this Agreement and the consummation of the transactions
     contemplated hereby have been duly authorized by all necessary corporate
     action on the part of Grantee. This Agreement has been duly executed and
     delivered by Grantee.

          (b) The Option is not being, and any shares of Common Stock or other
     securities acquired by Grantee upon exercise of the Option will not be,
     acquired with a view to the public distribution thereof and will not be
     transferred or otherwise disposed of except in a transaction registered or
     exempt from registration under the 1933 Act.

     13.    ASSIGNMENT.  Neither of the parties hereto may assign any of its
rights or obligations under this Option Agreement, or the Option created
hereunder, to any other person, without the express written consent of the other
party, except that in the event a Subsequent Triggering Event shall have
occurred prior to an Exercise Termination Event, Grantee, subject to the express
provisions hereof, may assign in whole or in part its rights and obligations
hereunder within 90 days following such Subsequent Triggering Event (or such
later period as provided in Section 10).

     14.  BEST EFFORTS.  Each of Grantee and Issuer will use its best efforts to
make all filings with, and to obtain consents of, all third parties and
governmental authorities necessary to the consummation of the transactions
contemplated by this Agreement, including without limitation making application
to list the shares of Common Stock issuable hereunder on the New York Stock
Exchange, Nasdaq National Market, or such other exchange or market on which the
shares of Issuer may be listed upon official notice of issuance.

     15.  INJUNCTIVE RELIEF.  The parties hereto acknowledge that damages would
be an inadequate remedy for a breach of this Agreement by either party hereto
and that the obligations of the parties hereto shall be enforceable by either
party hereto through injunctive or other equitable relief.

                                       13
<PAGE>
 
     16.  SEVERABILITY.  If any term, provision, covenant or restriction
contained in this Agreement is held by a court or a federal or state regulatory
agency of competent jurisdiction to be invalid, void or unenforceable, the
remainder of the terms, provisions and covenants and restrictions contained in
this Agreement shall remain in full force and effect, and shall in no way be
affected, impaired or invalidated. If for any reason such court or regulatory
agency determines that the Holder is not permitted to acquire, or Issuer is not
permitted to repurchase pursuant to Section 7, the full number of shares of
Common Stock provided in Section 1(a) hereof (as adjusted pursuant to Sections
1(b) or 5 hereof), it is the express intention of Issuer to allow the Holder to
acquire or to require Issuer to repurchase such lesser number of shares as may
be permissible, without any amendment or modification hereof.

     17.  NOTICES.  All notices, requests, claims, demands and other
communications hereunder shall be deemed to have been duly given when delivered
in person, by cable, telegram, telecopy or telex, or by registered or certified
mail (postage prepaid, return receipt requested) at the respective addresses of
the parties set forth in the Merger Agreement.

     18.  GOVERNING LAW.  This Agreement shall be governed by and construed in
accordance with the laws of the State of Tennessee, regardless of the laws that
might otherwise govern under applicable principles of conflicts of laws thereof
(except to the extent that mandatory provisions of federal law or the GBCC
apply).

     19.  COUNTERPARTS.  This Agreement may be executed in two or more
counterparts, each of which shall be deemed to be an original, but all of which
shall constitute one and the same agreement.

     20.  FEES AND EXPENSES.  Except as otherwise expressly provided herein,
each of the parties hereto shall bear and pay all costs and expenses incurred by
it or on its behalf in connection with the transactions contemplated hereunder,
including fees and expenses of its own financial consultants, investment
bankers, accountants and counsel.

     21.  ENTIRE AGREEMENT.  Except as otherwise expressly provided herein or in
the Merger Agreement, this Agreement contains the entire agreement between the
parties with respect to the transactions contemplated hereunder and supersedes
all prior arrangements or understandings with respect thereto, written or oral.
The terms and conditions of this Agreement shall inure to the benefit of and be
binding upon the parties hereto and their respective successors and permitted
assigns. Nothing in this Agreement, expressed or implied, is intended to confer
upon any party, other than the parties hereto, and their respective successors
(except as assigns) any rights, remedies, obligations or liabilities under or by
reason of this Agreement, except as expressly provided herein.

     22.  DEFINED TERMS.  Capitalized terms used in this Agreement and not
defined herein shall have the meanings assigned thereto in the Merger Agreement.


                         (signatures on following page)

                                       14
<PAGE>
 
     IN WITNESS WHEREOF, each of the parties has caused this Agreement to be
executed on its behalf by its officers thereunto duly authorized, all as of the
date first above written.


                                    "ISSUER":

                                    PMT SERVICES, INC.

                                    By:_____________________________
                                         Richardson M. Roberts
                                         Chief Executive Officer



                                    "GRANTEE":

                                    NOVA CORPORATION

                                    By:_____________________________
                                         Edward Grzedzinski
                                         Chief Executive Officer

                                       15

<PAGE>
 
                                                                    EXHIBIT 99.2
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
 
 
                          AGREEMENT AND PLAN OF MERGER
 
                                     AMONG
 
                                NOVA CORPORATION
 
                              CHURCH MERGER CORP.
 
                                      AND
 
                               PMT SERVICES, INC.
 
                           DATED AS OF JUNE 17, 1998
 
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
 
<PAGE>
 
                         AGREEMENT AND PLAN OF MERGER
 
  THIS AGREEMENT AND PLAN OF MERGER, is made, entered into and effective as of
the 17th day of June, 1998 (this "Agreement"), among NOVA CORPORATION, a
Georgia corporation ("Parent"), CHURCH MERGER CORP., a Tennessee corporation
and a wholly-owned subsidiary of Parent ("Sub"), and PMT SERVICES, INC., a
Tennessee corporation (the "Company") (Sub and the Company being hereinafter
collectively referred to as the "Constituent Corporations").
 
                             W I T N E S S E T H:
 
  WHEREAS, the respective Boards of Directors of Parent, Sub and the Company
have approved and declared advisable the merger of Sub and the Company (the
"Merger"), upon the terms and subject to the conditions set forth herein,
whereby each issued and outstanding share of Common Stock, par value $.01 per
share, of the Company ("Company Common Stock") not owned directly or
indirectly by Parent or the Company will be converted into shares of Parent
Common Stock, par value $.01 per share ("Parent Common Stock");
 
  WHEREAS, the respective Boards of Directors of Parent and the Company have
determined that the Merger, which is intended to be a "merger of equals," is
in furtherance of and consistent with their respective long-term business
strategies and is in the best interest of their respective shareholders;
 
  WHEREAS, each of Parent and Company has granted to the other an option to
purchase up to 19.9% of its Common Stock, all pursuant to the Stock Option
Agreements of even date herewith (collectively, the "Stock Option
Agreements").
 
  WHEREAS, for federal income tax purposes, it is intended that the Merger
shall qualify as a reorganization within the meaning of Section 368(a)(2)(E)
of the Internal Revenue Code of 1986, as amended (the "Code"); and
 
  WHEREAS, it is intended that the Merger shall be recorded for accounting
purposes as a pooling of interests.
 
  NOW, THEREFORE, in consideration of the premises, representations,
warranties and agreements herein contained, the parties agree as follows:
 
                                   ARTICLE I
 
                                  THE MERGER
 
  1.1 THE MERGER. Upon the terms and subject to the conditions hereof, and in
accordance with the Tennessee Business Corporation Act (the "TBCA"), Sub shall
be merged with and into the Company at the Effective Time (as hereinafter
defined). Following the Merger, the separate corporate existence of Sub shall
cease and the Company shall continue as the surviving corporation (the
"Surviving Corporation") and shall succeed to and assume all the rights and
obligations of Sub in accordance with the TBCA.
 
  1.2 EFFECTIVE TIME. The Merger shall become effective when Articles of
Merger (the "Articles of Merger"), executed in accordance with the relevant
provisions of the TBCA, are filed with the Secretary of State of the State of
Tennessee; provided, however, that, upon mutual consent of the Constituent
Corporations, the Articles of Merger may provide for a later date of
effectiveness of the Merger not more than 30 days after the date the Articles
of Merger are filed. When used in this Agreement, the term "Effective Time"
shall mean the later of the date and time at which the Articles of Merger are
filed or such later time established by the Articles of Merger. The filing of
the Articles of Merger shall be made on the date of the "Closing" (as defined
in Section 1.16).
 
                                       2
<PAGE>
 
  1.3 EFFECTS OF THE MERGER. The Merger shall have the effects set forth in
Section 48-21-108 of the TBCA.
 
  1.4 CHARTER AND BYLAWS. At the Effective Time, the Amended and Restated
Charter of the Company, as in effect immediately prior to the Effective Time,
shall be the Charter of the Surviving Corporation until thereafter changed or
amended as provided therein or by applicable law. At the Effective Time, the
Bylaws of the Company, as in effect immediately prior to the Effective Time,
shall be the Bylaws of the Surviving Corporation until thereafter changed or
amended as provided therein or by the Amended and Restated Charter of the
Surviving Corporation or by applicable law. At the Effective Time, the board
of directors and officers of the Surviving Corporation shall be comprised of
the individuals identified on Schedule 1.4 attached hereto.
 
  1.5 CONVERSION OF SECURITIES. As of the Effective Time, by virtue of the
Merger and without any action on the part of Sub, the Company, or the holders
of any securities of the Constituent Corporations:
 
    (a) Each issued and outstanding share of common stock, par value $.01 per
  share, of Sub shall cease to be outstanding and shall be converted into one
  validly issued, fully paid and nonassessable share of common stock of the
  Surviving Corporation.
 
    (b) All shares of Company Common Stock that are held in the treasury of
  the Company or by any wholly-owned "Subsidiary" (as defined in Section 2.1)
  of the Company shall be canceled and no capital stock of Parent or other
  consideration shall be delivered in exchange therefor.
 
    (c) Subject to the provisions of Sections 1.8 and 1.10 hereof, each share
  of Company Common Stock issued and outstanding immediately prior to the
  Effective Time (other than shares to be canceled in accordance with Section
  1.5(b)) shall be converted into 0.715 (such number being the "Conversion
  Number") validly issued, fully paid and nonassessable shares of Parent
  Common Stock. All such shares of Company Common Stock, when so converted,
  shall no longer be outstanding and shall automatically be canceled and
  retired and each holder of a certificate representing any such shares shall
  cease to have any rights with respect thereto, except the right to receive
  (i) any dividends and other distributions in accordance with Section 1.7,
  (ii) certificates representing the shares of Parent Common Stock into which
  such shares are converted, and (iii) any cash, without interest, in lieu of
  fractional shares to be issued or paid in consideration therefor pursuant
  to Section 1.8 upon the surrender of such certificate in accordance with
  Section 1.6.
 
  1.6 PARENT TO MAKE CERTIFICATES AVAILABLE.
 
    (a) Exchange of Certificates. Parent shall authorize a commercial bank
  reasonably acceptable to the Company (or such other person or persons as
  shall be acceptable to Parent and the Company) to act as Exchange Agent
  hereunder (the "Exchange Agent"). As soon as practicable after the
  Effective Time, Parent shall deposit with the Exchange Agent, in trust for
  the holders of shares of Company Common Stock converted in the Merger, (i)
  certificates representing the shares of Parent Common Stock issuable
  pursuant to Section 1.5(c) in exchange for outstanding shares of Company
  Common Stock, and (ii) cash, as required to make payments in lieu of any
  fractional shares pursuant to Section 1.8 (such cash and shares of Parent
  Common Stock, together with any dividends or distributions with respect
  thereto, being hereinafter referred to as the "Exchange Fund"). The
  Exchange Agent shall, pursuant to irrevocable instructions, deliver the
  Parent Common Stock contemplated to be issued pursuant to Section 1.5(c)
  out of the Exchange Fund. Except as contemplated by Sections 1.8 and 1.9,
  the Exchange Fund shall not be used for any other purpose.
 
    (b) Exchange Procedures. As soon as practicable after the Effective Time,
  Parent shall cause the Exchange Agent to mail to each record holder of a
  certificate or certificates which immediately prior to the Effective Time
  represented outstanding shares of Company Common Stock converted in the
  Merger (the "Certificates") a letter of transmittal (which shall be in
  customary form, shall specify that delivery shall be effected, and risk of
  loss and title to the Certificates shall pass, only upon actual delivery of
  the Certificates to the Exchange Agent, and shall contain instructions for
  use in effecting the surrender of the Certificates in exchange for
  certificates representing shares of Parent Common Stock and cash in lieu of
  fractional shares).
 
                                       3
<PAGE>
 
  Upon surrender for cancellation to the Exchange Agent of a Certificate,
  together with such letter of transmittal, properly executed and duly
  executed in accordance with the instructions thereon, the holder of such
  Certificate shall be entitled to receive in exchange therefor a certificate
  representing that number of whole shares of Parent Common Stock into which
  the shares represented by the surrendered Certificate shall have been
  converted at the Effective Time pursuant to this Article I, cash in lieu of
  any fractional share in accordance with Section 1.8, and certain dividends
  and other distributions in accordance with Section 1.7, and any Certificate
  so surrendered shall forthwith be canceled.
 
  1.7 DIVIDENDS; TRANSFER TAXES; WITHHOLDING. No dividends or other
distributions that are declared on or after the Effective Time on Parent
Common Stock, or that are payable to the holders of record thereof on or after
the Effective Time, will be paid to any person entitled by reason of the
Merger to receive a certificate representing Parent Common Stock until such
person surrenders the related Certificate or Certificates, as provided in
Section 1.6, and no cash payment in lieu of fractional shares will be paid to
any such person pursuant to Section 1.8 until such person shall so surrender
the related Certificate or Certificates. Subject to the effect of applicable
law, there shall be paid to each record holder of a new certificate
representing such Parent Common Stock: (i) at the time of such surrender or as
promptly as practicable thereafter, the amount of any dividends or other
distributions theretofore paid with respect to the shares of Parent Common
Stock represented by such new certificate and having a record date on or after
the Effective Time and a payment date prior to such surrender; (ii) at the
appropriate payment date or as promptly as practicable thereafter, the amount
of any dividends or other distributions payable with respect to such shares of
Parent Common Stock and having a record date on or after the Effective Time
but prior to such surrender and a payment date on or subsequent to such
surrender; and (iii) at the time of such surrender or as promptly as
practicable thereafter, the amount of any cash payable with respect to a
fractional share of Parent Common Stock to which such holder is entitled
pursuant to Section 1.8. In no event shall the person entitled to receive such
dividends or other distributions be entitled to receive interest on such
dividends or other distributions. If any cash or certificate representing
shares of Parent Common Stock is to be paid to or issued in a name other than
that in which the Certificate surrendered in exchange therefor is registered,
it shall be a condition of such exchange that the Certificate so surrendered
shall be properly endorsed and otherwise in proper form for transfer and that
the person requesting such exchange shall pay to the Exchange Agent any
transfer or other taxes required by reason of the issuance of certificates for
such shares of Parent Common Stock in a name other than that of the registered
holder of the Certificate surrendered, or shall establish to the satisfaction
of the Exchange Agent that such tax has been paid or is not applicable. Parent
or the Exchange Agent shall be entitled to deduct and withhold from the
consideration otherwise payable pursuant to this Agreement to any holder of
shares of Company Common Stock such amounts as Parent or the Exchange Agent is
required to deduct and withhold with respect to the making of such payment
under the Code or under any provision of state, local or foreign tax law. To
the extent that amounts are so withheld by Parent or the Exchange Agent, such
withheld amounts shall be treated for all purposes of this Agreement as having
been paid to the holder of the shares of Company Common Stock in respect of
which such deduction and withholding was made by Parent or the Exchange Agent.
 
  1.8 NO FRACTIONAL SECURITIES. No certificates or scrip representing
fractional shares of Parent Common Stock shall be issued upon the surrender
for exchange of Certificates pursuant to this Article I, and no Parent
dividend or other distribution or stock split shall relate to any fractional
share, and no fractional share shall entitle the owner thereof to vote or to
any other rights of a security holder of Parent. In lieu of any such
fractional share, each holder of Company Common Stock who would otherwise have
been entitled to a fraction of a share of Parent Common Stock upon surrender
of Certificates for exchange pursuant to this Article I will be paid an amount
in cash (without interest), rounded to the nearest cent, determined by
multiplying (i) the per share closing price on the New York Stock Exchange,
Inc. (the "NYSE") of Parent Common Stock (as reported in the NYSE Composite
Transactions) on the date of the Effective Time (or, if the shares of Parent
Common Stock do not trade on the NYSE on such date, the first date of trading
of shares of Parent Common Stock on the NYSE after the Effective Time) by (ii)
the fractional interest to which such holder would otherwise be entitled. As
promptly as practicable after the determination of the amount of cash, if any,
to be paid to holders of fractional share interests, the Exchange Agent shall
so notify the Parent, and the Parent shall deposit such amount with the
 
                                       4
<PAGE>
 
Exchange Agent and shall cause the Exchange Agent to forward payments to such
holders of fractional share interests subject to and in accordance with the
terms of Section 1.7 and this Section 1.8.
 
  1.9 RETURN OF EXCHANGE FUND. Any portion of the Exchange Fund which remains
undistributed to the former shareholders of the Company for one year after the
Effective Time shall be delivered to Parent, upon demand of Parent, and any
such former shareholders who have not theretofore complied with this Article I
shall thereafter look only to Parent for payment of their claim for Parent
Common Stock, any cash in lieu of fractional shares of Parent Common Stock,
and any dividends or distributions with respect to Parent Common Stock.
Neither Parent nor the Surviving Corporation shall be liable to any former
holder of Company Common Stock for any such shares of Parent Common Stock,
cash and dividends, and/or distributions held in the Exchange Fund which are
delivered to a public official pursuant to any applicable abandoned property,
escheat or similar law.
 
  1.10 ADJUSTMENT OF CONVERSION NUMBER. In the event of any reclassification,
stock split or stock dividend with respect to Parent Common Stock, any change
or conversion of Parent Common Stock into other securities, any adjustment
pursuant to Section 7.1(g) hereof, or any other dividend or distribution with
respect to the Parent Common Stock other than normal quarterly cash dividends
as the same may be adjusted from time to time pursuant to the terms of this
Agreement (or if a record date with respect to any of the foregoing should
occur) prior to the Effective Time, appropriate and proportionate adjustments,
if any, shall be made to the Conversion Number, and all references to the
Conversion Number in this Agreement shall be deemed to be to the Conversion
Number as so adjusted.
 
  1.11 NO FURTHER OWNERSHIP RIGHTS IN COMPANY COMMON STOCK. All shares of
Parent Common Stock issued upon the surrender for exchange of Certificates in
accordance with the terms hereof (including any cash paid pursuant to Section
1.8) shall be deemed to have been issued in full satisfaction of all rights
pertaining to the shares of Company Common Stock represented by such
Certificates.
 
  1.12 CLOSING OF COMPANY TRANSFER BOOKS. At the Effective Time, the stock
transfer books of the Company shall be closed and no transfer of shares of
Company Common Stock shall thereafter be made on the records of the Company.
If, after the Effective Time, Certificates are presented to the Surviving
Corporation, the Exchange Agent or the Parent, such Certificates shall be
canceled and exchanged as provided in this Article I.
 
  1.13 LOST CERTIFICATES. If any Certificate shall have been lost, stolen or
destroyed, upon the making of an affidavit of that fact by the person claiming
such Certificate to be lost, stolen or destroyed and, if required by the
Surviving Corporation, the posting by such person of a bond, in such
reasonable amount as the Surviving Corporation may direct (but consistent with
the practices the Parent applies to its own shareholders), as indemnity
against any claim that may be made against it with respect to such
Certificate, the Exchange Agent will issue in exchange for such lost, stolen
or destroyed Certificate the shares of Parent Common Stock, any cash in lieu
of fractional shares of Parent Common Stock to which the holders thereof are
entitled pursuant to Section 1.8, and any dividends or other distributions to
which the holders thereof are entitled pursuant to Section 1.7.
 
  1.14 [INTENTIONALLY OMITTED.]
 
  1.15 FURTHER ASSURANCES. If at any time after the Effective Time the
Surviving Corporation shall consider or be advised that any deeds, bills of
sale, assignments or assurances or any other acts or things are necessary,
desirable or proper (a) to vest, perfect or confirm, of record or otherwise,
in the Surviving Corporation its right, title or interest in, to or under any
of the rights, privileges, powers, franchises, properties or assets of either
of the Constituent Corporations, or (b) otherwise to carry out the purposes of
this Agreement, the Surviving Corporation and its proper officers and
directors or their designees shall be authorized to execute and deliver, in
the name and on behalf of either of the Constituent Corporations, all such
deeds, bills of sale, assignments and assurances and to do, in the name and on
behalf of either Constituent Corporation, all such other acts and things as
may be necessary, desirable or proper to vest, perfect or confirm the
Surviving Corporation's right, title or interest in, to or under any of the
rights, privileges, powers, franchises, properties or assets of such
Constituent Corporation and otherwise to carry out the purposes of this
Agreement.
 
                                       5
<PAGE>
 
  1.16 CLOSING. The closing of the transactions contemplated by this Agreement
(the "Closing") and all actions specified in this Agreement to occur at the
Closing shall take place at the offices of Long Aldridge & Norman LLP at 10:00
a.m., local time, no later than the second business day following the day on
which the last of the conditions set forth in Article VI shall have been
fulfilled or waived, or at such other time and place as Parent and the Company
shall agree.
 
                                  ARTICLE II
 
               REPRESENTATIONS AND WARRANTIES OF PARENT AND SUB
 
  Parent and Sub jointly and severally represent and warrant to the Company as
follows:
 
  2.1 ORGANIZATION, STANDING AND POWER. Each of Parent and Sub is a
corporation duly organized, validly existing and in good standing under the
laws of the State of Georgia and Tennessee, respectively, and has the
requisite corporate power and authority to carry on its business as now being
conducted. Each Subsidiary of Parent is duly organized, validly existing and
in good standing under the laws of the jurisdiction in which it is organized
and has the requisite corporate (in the case of a Subsidiary that is a
corporation) or other power and authority to carry on its business as now
being conducted, except where the failure to be so organized, existing or in
good standing or to have such power or authority would not, individually or in
the aggregate, have a "Material Adverse Effect" (as defined in this Section
2.1) on Parent. Except as set forth on Schedule 2.1, Parent and each of its
Subsidiaries are duly qualified to do business, and are in good standing, in
each jurisdiction where the character of their properties owned or held under
lease or the nature of their activities makes such qualification necessary,
except where the failure to be so qualified would not, individually or in the
aggregate, have a Material Adverse Effect on Parent. For purposes of this
Agreement, (a) "Material Adverse Change" or "Material Adverse Effect" means,
when used with respect to Parent or the Company, as the case may be, any
change or effect that is materially adverse to the business, prospects,
assets, liabilities, results of operation or financial condition of Parent and
its Subsidiaries, taken as a whole, or the Company and its Subsidiaries, taken
as a whole, as the case may be, and (b) "Subsidiary" means any corporation,
partnership, joint venture or other legal entity of which Parent or the
Company, as the case may be (either alone or through or together with any
other Subsidiary), owns, directly or indirectly, 50% or more of the stock or
other equity interests the holders of which are generally entitled to vote for
the election of the board of directors or other governing body of such
corporation, partnership, joint venture or other legal entity.
 
  2.2 CAPITAL STRUCTURE. As of the date hereof, the authorized capital stock
of Parent consists of 50,000,000 shares of Parent Common Stock, par value $.01
per share, and 5,000,000 shares of Preferred Stock, without par value (the
"Parent Preferred Stock"); provided, however, that if Parent's shareholders,
at or prior to the "Parent Shareholder Meeting" (as defined in Section 5.1),
approve an amendment to Parent's Articles of Incorporation which increases the
authorized capital stock of Parent, then the authorized capital stock as of
the Effective Time will be as so increased. At June 12, 1998 (except with
respect to the representation and warranty made in subsection (v) below, which
is made as of the date hereof), (i) 34,253,368 shares of Parent Common Stock
were issued and outstanding, all of which were validly issued, fully paid and
nonassessable and free of preemptive rights or rights of first refusal, (ii)
no shares of Parent Common Stock were held in the treasury of Parent or by the
Subsidiaries of Parent, (iii) 5,250,000 shares of Parent Common Stock
originally were reserved for future issuance, and of such shares, 3,017,284
are reserved for future issuance as of June 12, 1998, pursuant to Parent's
1991 Employees' Stock Option and Stock Appreciation Rights Plan, as amended,
the 1996 Employees' Stock Incentive Plan, as amended, and 1996 Directors'
Stock Option Plan (collectively, the "Parent Option Plans"), (iv) 50,000
shares of Parent Common Stock were reserved for issuance pursuant to the
Warrant Agreement between Parent and Kessler Financial Services, L.P. (the
"Kessler Warrant"), and (v) 6,816,420 shares of Parent Common Stock were
reserved for issuance pursuant to the Stock Option Agreement, of even date
herewith, between Parent and Company (the "Parent Stock Option Agreement"). No
shares of Parent Preferred Stock are outstanding. All of the shares of Parent
Common Stock issuable in exchange for Company Common Stock at the Effective
Time in accordance with this Agreement will be, when so issued, duly
 
                                       6
<PAGE>
 
authorized, validly issued, fully paid and nonassessable and free of
preemptive rights or rights of first refusal. As of the date of this
Agreement, except for (a) this Agreement, (b) the Kessler Warrant, (c) the
Parent Stock Option Agreement, and (d) stock options covering not in excess of
2,526,496 shares of Parent Common Stock under the Parent Option Plans
(collectively, the "Parent Options"), there are no options, warrants, calls,
rights or agreements to which Parent or any of its Subsidiaries is a party or
by which any of them is bound obligating Parent or any of its Subsidiaries to
issue, deliver or sell, or cause to be issued, delivered or sold, additional
shares of capital stock of Parent or any of its Subsidiaries or obligating
Parent or any of its Subsidiaries to grant, extend or enter into any such
option, warrant, call, right or agreement. Since June 12, 1998, Parent has not
issued any shares of its capital stock, or securities convertible into or
exchangeable for such capital stock. Each outstanding share of capital stock
of each Subsidiary of Parent is duly authorized, validly issued, fully paid
and nonassessable, and, except as set forth on Schedule 2.2, each such share
is owned by Parent or another Subsidiary of Parent, free and clear of all
security interests, liens, claims, pledges, options, rights of first refusal,
agreements, limitations on voting rights, charges and other encumbrances of
any nature whatsoever. Except as set forth in Schedule 2.2, Exhibit 21 to
Parent's Annual Report on Form 10-K for the year ended December 31, 1997, as
filed with the Securities and Exchange Commission (the "SEC") (the "Parent
Annual Report"), is a true, accurate and correct statement in all material
respects of all of the information required to be set forth therein by the
regulations of the SEC.
 
  2.3 AUTHORITY.
 
    (1) The respective Boards of Directors of Parent and Sub have, on or
  prior to the date of this Agreement at a meeting duly called and held and
  not subsequently rescinded or modified in any way, (i) unanimously adopted
  this Agreement in accordance with the Georgia Business Corporation Code
  (the "GBCC") and the TBCA, respectively, (ii) resolved to recommend the
  approval of this Agreement to their respective shareholders, (iii) directed
  that this Agreement be submitted to their respective shareholders for
  approval, (iv) (with respect to Parent) approved the amendment of its
  Articles of Incorporation, the amendment of its 1996 Employees' Stock
  Incentive Plan and any other amendments or actions necessary to consummate
  the Merger (collectively, the "Parent Amendments"), (v) (with respect to
  Parent) resolved to recommend the Parent Amendments to its shareholders,
  and (vi) (with respect to Parent) directed that the Parent Amendments be
  submitted to its shareholders for approval.
 
    (2) Each of Parent and Sub has all requisite corporate power and
  authority to enter into this Agreement and, subject to approval by the
  shareholders of Parent of this Agreement and the transactions contemplated
  hereby (including but not limited to the Parent Amendments) and the
  issuance of Parent Common Stock in connection with the Merger (the "Share
  Issuance"), to consummate the transactions contemplated hereby. The
  execution and delivery of this Agreement by Parent and Sub and the
  consummation by Parent and Sub of the transactions contemplated hereby have
  been duly authorized by all necessary corporate action on the part of
  Parent and Sub, subject to (x) approval by the shareholders of Parent of
  this Agreement and the transactions contemplated hereby, including without
  limitation, the Share Issuance and the Parent Amendments, and (y) the
  filing of appropriate Merger documents as required by the TBCA. This
  Agreement has been duly executed and delivered by Parent and Sub and
  (assuming the valid authorization, execution and delivery of this Agreement
  by the Company) this Agreement constitutes the valid and binding obligation
  of Parent and Sub enforceable against each of them in accordance with its
  terms. The Merger, the Share Issuance, the Parent Amendments, and the
  filing of a joint proxy statement and a registration statement on Form S-4
  (or other appropriate form) with the SEC by Parent under the Securities
  Exchange Act of 1934, as amended (together with the rules and regulations
  promulgated thereunder, the "Exchange Act") and the Securities Act of 1933,
  as amended (together with the rules and regulations promulgated thereunder,
  the "Securities Act"), for the purpose of registering the shares of Parent
  Common Stock to be issued in the Merger and seeking approval of this
  Agreement, the transactions contemplated hereby, the Parent Amendments, and
  the Share Issuance by the shareholders of Parent (together with any
  amendments or supplements thereto, whether prior to or after the effective
  date thereof, the "Registration Statement") have been duly authorized by
  Parent's Board of Directors.
 
                                       7
<PAGE>
 
  2.4 CONSENTS AND APPROVALS; NO VIOLATION. Assuming that all consents,
approvals, authorizations and other actions described in this Section 2.4 have
been obtained and all filings and obligations described in this Section 2.4
have been made, and except as set forth in Schedule 2.4 (including the
required consents, approvals, authorizations and other actions identified
therein), the execution and delivery of this Agreement do not, and the
consummation of the transactions contemplated hereby and compliance with the
provisions hereof will not, result in any violation of, or default (with or
without notice or lapse of time, or both) under, or give to others a right of
termination, cancellation or acceleration of any obligation or the loss of a
material benefit under, or result in the creation of any lien, security
interest, charge or encumbrance upon any of the properties or assets of Parent
or any of its Subsidiaries under, any provision of (i) the Articles of
Incorporation or Bylaws of Parent, (ii) any provision of the comparable
charter or organization documents of any of Parent's Subsidiaries, (iii) any
loan or credit agreement, note, bond, mortgage, indenture, lease or other
agreement, instrument, permit, concession, franchise or license applicable to
Parent or any of its Subsidiaries or (iv) any judgment, order, decree,
statute, law, ordinance, rule or regulation applicable to Parent or any of its
Subsidiaries or any of their respective properties or assets, other than, in
the case of clauses (ii), (iii) or (iv), any such violations, defaults,
rights, liens, security interests, charges or encumbrances that, individually
or in the aggregate, would not have a Material Adverse Effect on Parent, or
prevent the consummation of any of the transactions contemplated hereby. No
filing or registration with, or authorization, consent or approval of, any
domestic (federal and state), foreign or supranational court, commission,
governmental body, regulatory agency, authority or tribunal (each, a
"Governmental Entity") is required by or with respect to Parent or any of its
Subsidiaries in connection with the execution and delivery of this Agreement
by Parent or Sub or is necessary for the consummation of the Merger and the
other transactions contemplated by this Agreement, except for (i) in
connection, or in compliance, with the provisions of the Hart-Scott-Rodino
Antitrust Improvements Act of 1976, as amended (the "HSR Act"), the Securities
Act and the Exchange Act, (ii) the filing of the Articles of Merger with the
Secretary of State of the State of Tennessee and appropriate documents with
the relevant authorities of other states in which Parent or any of its
Subsidiaries is qualified to do business, (iii) such filings and consents as
may be required under any environmental, health or safety law or regulation
pertaining to any notification, disclosure or required approval triggered by
the Merger or by the transactions contemplated by this Agreement, (iv) such
filings, authorizations, orders and approvals as may be required by state
takeover laws (the "State Takeover Approvals"), (v) such filings and consents
as may be required under any state or foreign laws pertaining to debt
collection, the issuance of payment instruments or money transmission, (vi)
applicable requirements, if any, of state securities or "blue sky" laws ("Blue
Sky Laws") and the NYSE, and (vii) such other consents, orders,
authorizations, registrations, declarations and filings, the failure of which
to be obtained or made would not, individually or in the aggregate, have a
Material Adverse Effect on Parent, or prevent the consummation of any of the
transactions contemplated hereby.
 
  2.5 SEC DOCUMENTS AND OTHER REPORTS. Parent has filed all required
documents, reports and schedules with the SEC since December 31, 1996
(collectively, the "Parent SEC Documents"). As of their respective dates, the
Parent SEC Documents complied in all material respects with the requirements
of the Securities Act or the Exchange Act, as the case may be, and, at the
respective times they were filed, none of the Parent SEC Documents contained
any untrue statement of a material fact or omitted to state a material fact
required to be stated therein or necessary to make the statements therein, in
light of the circumstances under which they were made, not misleading. Except
as set forth in Schedule 2.5, the consolidated financial statements
(including, in each case, any notes thereto) of Parent included in the Parent
SEC Documents complied as to form in all material respects with applicable
accounting requirements and the published rules and regulations of the SEC
with respect thereto, were prepared in accordance with generally accepted
accounting principles (except as may be indicated therein or in the notes
thereto) applied on a consistent basis during the periods involved (except as
may be indicated therein or in the notes thereto) and fairly presented in all
material respects the consolidated financial position of Parent and its
consolidated Subsidiaries as at the respective dates thereof and the
consolidated results of their operations and their consolidated cash flows for
the periods then ended (subject, in the case of unaudited statements, to
normal year-end audit adjustments and to any other adjustments described
therein). Except as set forth in Schedule 2.5, Parent has not, since December
31, 1997, made any change in the accounting practices or policies applied in
the preparation of financial statements.
 
 
                                       8
<PAGE>
 
  2.6 REGISTRATION STATEMENT AND JOINT PROXY STATEMENT. None of the
information to be supplied by Parent or Sub for inclusion or incorporation by
reference in the Registration Statement, the joint proxy statement/prospectus
included therein (together with any amendments or supplements thereto, the
"Joint Proxy Statement") relating to the "Shareholder Meetings" (as defined in
Section 5.1) or any other document filed with any other regulatory agency in
connection herewith will: (i) in the case of the Registration Statement, at
the time it becomes effective, contain any untrue statement of a material fact
or omit to state any material fact required to be stated therein or necessary
in order to make the statements therein not misleading; (ii) in the case of
the Joint Proxy Statement, at the time of the mailing of the Joint Proxy
Statement, the time of each of the Shareholder Meetings, and at 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; or, (iii) in the case of any other filing required by any
regulatory agency in connection herewith, 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 statements therein, in light of the
circumstances under which they are made, not misleading. If, at any time prior
to the Effective Time, any event with respect to Parent, its officers and
directors or any of its Subsidiaries shall occur which is required to be
described in the Joint Proxy Statement or the Registration Statement, such
event shall be so described, and an appropriate amendment or supplement shall
be promptly filed with the SEC and, as required by law, disseminated to the
shareholders of Parent and the Company. The Registration Statement (except for
portions thereof that relate only to the Company or any of its Subsidiaries)
and the Joint Proxy Statement (except for portions thereof that relate only to
the Company or any of its Subsidiaries) will comply as to form in all material
respects with the provisions of the Securities Act and the Exchange Act, as
applicable.
 
  2.7 ABSENCE OF CERTAIN CHANGES OR EVENTS. Except as set forth on Schedule
2.7, since December 31, 1997: (A) Parent and its Subsidiaries have not
incurred any material liability or obligation (indirect, direct or
contingent), or entered into any material oral or written agreement or other
transaction, that is not in the ordinary course of business or that would
result in a Material Adverse Effect on Parent, excluding any changes and
effects resulting from changes in economic, regulatory or political conditions
or changes in conditions generally applicable to the industries in which
Parent and Subsidiaries of Parent are involved and except for any such changes
or effects resulting from this Agreement, the transactions contemplated
hereby, or the announcement thereof; (B) Parent and its Subsidiaries have not
sustained any loss or interference with their business or properties from
fire, flood, windstorm, accident or other calamity (whether or not covered by
insurance) that has had a Material Adverse Effect on Parent; (C) other than
any indebtedness incurred by Parent after the date hereof as permitted by
Section 4.1(a)(vi), there has been no material change in the consolidated
indebtedness of Parent and its Subsidiaries, and no dividend or distribution
of any kind declared, paid or made by Parent on any class of its stock; and
(D) there has been no event causing a Material Adverse Effect on Parent,
excluding any changes and effects resulting from changes in economic,
regulatory or political conditions or changes in conditions generally
applicable to the industries in which Parent and Subsidiaries of Parent are
involved and which do not affect Parent in a manner materially
disproportionate to the effect on the Company) and except for any such changes
or effects resulting from this Agreement, the transactions contemplated hereby
or the announcement thereof.
 
  2.8 PERMITS AND COMPLIANCE. Except as set forth on Item 2 of Schedule 2.8,
each of Parent and its Subsidiaries is in possession of all franchises,
grants, authorizations, licenses, permits, easements, variances, exceptions,
consents, certificates, approvals and orders of any Governmental Entity
necessary for Parent or any of its Subsidiaries to own, lease and operate its
properties or to carry on its business as it is now being conducted
(collectively, the "Parent Permits"), except where the failure to have any of
the Parent Permits would not, individually or in the aggregate, have a
Material Adverse Effect on Parent, and, as of the date of this Agreement, no
suspension or cancellation of any of the Parent Permits is pending or, to the
"Knowledge of Parent" (as defined in this Section 2.8), threatened, except
where the suspension or cancellation of any of the Parent Permits would not,
individually or in the aggregate, have a Material Adverse Effect on Parent.
Neither Parent nor any of its Subsidiaries is in default or violation of (A)
its charter, bylaws or other organizational documents, (B) any applicable law,
ordinance, administrative or governmental rule or regulation, (C) any order,
decree or judgment
 
                                       9
<PAGE>
 
of any Governmental Entity having jurisdiction over Parent or any of its
Subsidiaries, or (D) any provisions of the rules and regulations of VISA
U.S.A., Inc., VISA International, Inc., MasterCard International, Inc. and any
successor organizations or associations (collectively, the "Credit Card
Associations"), except, in the case of clauses (A), (B), (C) and (D), for any
violations that, individually or in the aggregate, would not have a Material
Adverse Effect on Parent. Except as disclosed in Schedule 2.8, as of the date
hereof there is no contract or agreement that is material to the business,
financial condition or results of operations of Parent and its Subsidiaries,
taken as a whole. Except as set forth in Schedule 2.8, as of the date of this
Agreement, no event of default or event that, but for the giving of notice or
the lapse of time or both, would constitute an event of default exists or,
upon the consummation by Parent of the transactions contemplated by this
Agreement, will exist under any indenture, mortgage, loan agreement, note or
other agreement or instrument for borrowed money, any guarantee of any
agreement or instrument for borrowed money or any lease, contractual license
or other agreement or instrument to which Parent or any of its Subsidiaries is
a party or by which Parent or any such Subsidiary is bound or to which any of
the properties, assets or operations of Parent or any such Subsidiary is
subject, other than any defaults that, individually or in the aggregate, would
not have a Material Adverse Effect on Parent. Set forth in Schedule 2.8 is a
description of any material changes to the amount and terms of the
indebtedness of the Parent and its Subsidiaries as described in the Parent
Annual Report. For purposes of this Agreement, "Knowledge of Parent" means the
actual knowledge of the individuals identified in Schedule 2.8.
 
  2.9 TAX MATTERS.
 
    (a) Tax Definitions. For purposes of this Agreement, the following
  definitions shall apply:
 
      (i) The term "Taxes" shall mean all taxes, however denominated,
    including any interest, penalties or other additions to tax that may
    become payable in respect thereof, imposed by any federal, territorial,
    state, local or foreign government or any agency or political
    subdivision of any such government, which taxes shall include, without
    limiting the generality of the foregoing, all income or profits taxes
    (including, but not limited to, federal income taxes and state income
    taxes), payroll and employee withholding taxes, unemployment insurance,
    social security taxes, sales and use taxes, ad valorem taxes, excise
    taxes, franchise taxes, gross receipts taxes, business license taxes,
    occupation taxes, real and personal property taxes, stamp taxes,
    environmental taxes, transfer taxes, workers' compensation, Pension
    Benefit Guaranty Corporation premiums and other governmental charges,
    and other obligations of the same or of a similar nature to any of the
    foregoing, which a party is required to pay, withhold or collect.
 
      (ii) The term "Return" or "Tax Return" shall mean all reports,
    estimates, declarations of estimated tax, information statements and
    returns relating to, or required to be filed in connection with, any
    Taxes, including information returns or reports with respect to backup
    withholding and other payments to third parties.
 
    (b) Returns Filed and Taxes Paid. Except as otherwise disclosed in
  Schedule 2.9(b), or except as would not have a Material Adverse Effect on
  Parent: (i) all Returns required to be filed by or on behalf of Parent and
  each of its Subsidiaries have been duly filed on a timely basis and such
  Returns are correct, true, and complete; (ii) all Taxes shown to be payable
  on the Returns or on subsequent assessments with respect thereto have been
  paid in full on a timely basis, and no other Taxes are payable by Parent or
  any of its Subsidiaries with respect to items or periods covered by such
  Returns or with respect to any taxable periods ending prior to the date of
  this Agreement; (iii) Parent and each of its Subsidiaries has withheld and
  paid over all Taxes required to have been withheld and paid over, and
  complied with all information reporting and backup withholding
  requirements, including maintenance of required records with respect
  thereto, in connection with amounts paid or owing to any employee,
  creditor, independent contractor, or other third party; and (iv) there are
  no liens on any of the assets of Parent or any of its Subsidiaries with
  respect to Taxes, other than liens for Taxes not yet due and payable.
 
    (c) Tax Deficiencies; Audits; Statutes of Limitations. Except as
  otherwise disclosed in Schedule 2.9(c), or except as would not have a
  Material Adverse Effect on Parent: (i) neither the Returns of
 
                                      10
<PAGE>
 
  Parent nor any of its Subsidiaries have been audited by a government or
  taxing authority, nor is any such audit in process; (ii) no deficiencies
  exist or have been asserted (either in writing or verbally, formally or
  informally) or are expected to be asserted with respect to Taxes of Parent
  or any of its Subsidiaries, and neither Parent nor any of its Subsidiaries
  has received notice (either in writing or verbally, formally or informally)
  that it has not filed a Return or paid Taxes required to be filed or paid
  by it; (iii) neither Parent nor any of its Subsidiaries is a party to any
  action or proceeding for assessment or collection of Taxes, nor has such
  event been asserted or threatened (either in writing or verbally, formally
  or informally) against Parent or any of its Subsidiaries, or any of their
  respective assets; (iv) no waiver or extension of any statute of
  limitations is in effect with respect to Taxes or Returns of Parent or any
  of its Subsidiaries; and (v) Parent and each of its Subsidiaries have
  disclosed on their federal income tax returns all positions taken therein
  that could give rise to a substantial understatement penalty within the
  meaning of Section 6662 of the Code.
 
    (d) Tax Sharing Agreements. Except as otherwise disclosed in Schedule
  2.9(d), neither Parent nor any of its Subsidiaries are a party to any tax
  sharing agreement, and (i) the Parent has never been a party to a tax
  sharing agreement, and (ii) to the Knowledge of Parent, none of its
  Subsidiaries has ever been a party to any tax sharing agreement.
 
  2.10 ACTIONS AND PROCEEDINGS. Except as set forth in Schedule 2.10, there
are no outstanding orders, judgments, injunctions, awards or decrees of any
Governmental Entity against or involving Parent or any of its Subsidiaries, or
against or involving any of the present or former directors, officers,
employees, consultants, agents or shareholders of Parent or any of its
Subsidiaries, as such, any of its or their properties, assets or business or
any "Parent Plan" (as defined in Section 2.13) or any fiduciary, agent or
consultant of any Parent Plan that, individually or in the aggregate, would
have a Material Adverse Effect on Parent. As of the date of this Agreement,
there are no actions, suits or claims or legal, administrative or arbitrative
proceedings or investigations pending or, to the Knowledge of Parent,
threatened against or involving Parent or any of its Subsidiaries or any of
its or their present or former directors, officers, employees, consultants,
agents or shareholders, as such, any of its or their properties, assets or
business or any Parent Plan or any fiduciary, agent or consultant of any
Parent Plan that, individually or in the aggregate, would have a Material
Adverse Effect on Parent. As of the date hereof, there are no actions, suits,
labor disputes or other litigation, legal or administrative proceedings or
governmental investigations pending or, to the Knowledge of Parent, threatened
against or affecting Parent or any of its Subsidiaries or any of its or their
present or former officers, directors, employees, consultants, agents or
shareholders, as such, or any of its or their properties, assets or business
or any Parent Plan or any fiduciary, agent or consultant of any Parent Plan
relating to the transactions contemplated by this Agreement.
 
  2.11 [INTENTIONALLY OMITTED].
 
  2.12 CERTAIN AGREEMENTS. As of the date of this Agreement, neither Parent
nor any of its Subsidiaries is a party to any "Plan" (as defined in this
Section 2.12), any of the benefits of which will be increased, or the vesting
of the 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. For purposes of this Agreement, "Plan" shall
mean, with respect to an entity, all present and prior (including terminated
and transferred) plans, programs, agreements, arrangements, commitments and/or
methods of contribution or compensation whether formal or informal, oral or
written, whether funded or unfunded, and whether legally binding or not, which
provides any remuneration or benefits to, or covers any current or former
employee of such entity or any other individual who provides services to such
entity (including, but not limited to, any shareholder, officer, director,
employee or consultant of such entity), or any spouse, child or other
dependent of such current or former employee or individual, or which is
sponsored, maintained, adopted or contributed to (in whole or in part) by such
entity, and includes, but is not limited to, pension, retirement, profit
sharing, stock bonus, nonqualified deferred compensation, disability, medical,
dental, workers' compensation, health, life insurance, cafeteria, medical
reimbursement, dependent care assistance, incentive, bonus, restricted stock,
stock purchase, or stock option plans. No holder of any option to purchase
shares of Parent Common Stock, or shares of Parent Common Stock granted in
connection with the
 
                                      11
<PAGE>
 
performance of services for Parent or its Subsidiaries, is or will be entitled
to receive cash from Parent or any Subsidiary in lieu of or in exchange for
such option or shares as a result of the transactions contemplated by this
Agreement.
 
  2.13 ERISA.
 
    (a) With respect to each Plan of Parent or any "ERISA Affiliate" (as
  defined in this Section 2.13) of Parent, Parent has made available to
  Company a true and correct copy of (i) the most recent annual report (Form
  5500) filed with the Internal Revenue Service (the "IRS"), (ii) the plan
  documents of such Plan, (iii) each trust agreement, insurance contract or
  administration agreement relating to such Plan, (iv) the most recent
  summary plan description for each Plan for which a summary plan description
  is required or the most recent employee communication explanation for each
  other Plan, (v) the most recent actuarial report or valuation relating to a
  Plan subject to Title IV of the Employee Retirement Income Security Act of
  1974, as amended ("ERISA"), and (vi) the most recent determination letter,
  if any, issued by the IRS with respect to any Plan intended to be qualified
  under section 401(a) of the Code. Each Plan of Parent or any ERISA
  Affiliate of Parent complies in all material respects with ERISA, the Code
  and all other applicable statutes and governmental rules and regulations,
  and (i) no "reportable event" (within the meaning of Section 4043 of ERISA)
  has occurred with respect to any "Parent Plan" (as defined in this Section
  2.13), (ii) neither Parent nor any of its ERISA Affiliates has withdrawn
  (or partially withdrawn) from any Parent Plan or "Parent Multiemployer
  Plan" (as defined in this Section 2.13) or instituted, or is currently
  considering taking, any action to do so, and (iii) no action has been
  taken, or is currently being considered, to terminate any Parent Plan
  subject to Title IV of ERISA. No Parent Plan, nor any trust created
  thereunder, has incurred any "accumulated funding deficiency" (as defined
  in Section 302 of ERISA), whether or not waived. To the best Knowledge of
  Parent, no Parent Plan has engaged in a prohibited transaction with a
  fiduciary or party-in-interest within the meaning of Section 4975 of the
  Code or Section 406 of ERISA, unless a statutory exception exists for such
  transaction.
 
    (b) With respect to the Plans of Parent or any ERISA Affiliate of Parent,
  no event has occurred and, to the Knowledge of Parent, there exists no
  condition or set of circumstances in connection with which Parent or any
  ERISA Affiliate of Parent could be subject to any liability under the terms
  of such Plans, ERISA, the Code, any contract or document relating to such
  Plans, or any other applicable law, which would have a Material Adverse
  Effect on Parent. All Parent Plans that are intended to be qualified under
  Section 401(a) of the Code have been determined by the Internal Revenue
  Service to be so qualified, or a timely (within the meaning of Section
  401(b) of the Code) application for such determination is now pending, and
  Parent is not aware of any reason why any such Parent Plan is not so
  qualified in operation. Neither Parent nor any of its ERISA Affiliates has
  been notified by any Parent Multiemployer Plan that such Parent
  Multiemployer Plan is currently in reorganization or insolvency under and
  within the meaning of Section 4241 or 4245 of ERISA or that such Parent
  Multiemployer Plan intends to terminate or has been terminated under
  Section 4041A of ERISA. Neither Parent nor any of its ERISA Affiliates has
  any liability or obligation under any Plan or other contract or agreement
  to provide benefits after termination of employment to any employee or
  dependent of an employee other than as required by ERISA or as disclosed in
  the Parent Annual Report. As used herein, (i) "Parent Plan" means a
  "pension plan" (as defined in Section 3(2) of ERISA (other than a Parent
  Multiemployer Plan)) or a "welfare plan" (as defined in Section 3(1) of
  ERISA) established or maintained by Parent or any of its ERISA Affiliates
  or as to which Parent or any of its ERISA Affiliates has contributed or
  otherwise may have any liability, and (ii) "Company Multiemployer Plan"
  means a "multiemployer plan" (as defined in Section 4001(a)(3) of ERISA) to
  which Parent or any of its ERISA Affiliates is or has been obligated to
  contribute or otherwise may have any liability. With respect to any Parent
  Plan which is subject to Title IV of ERISA, the fair market value of the
  assets of such Plan are currently (and are expected to be as of the
  Effective Time) greater than or equal to the present value of all "benefit
  liabilities" (within the meaning of Section 4001(a)(6) of ERISA) of such
  Parent Plan.
 
    (c) Parent has made available to the Company true and complete (i) copies
  of all severance and employment agreements with officers of Parent and each
  ERISA Affiliate of Parent, (ii) copies of all severance programs and
  policies of Parent with or relating to its employees; and (iii) copies of
  all plans,
 
                                      12
<PAGE>
 
  programs, agreements and other arrangements of Parent with or relating to
  its employees which contain change of control or similar provisions. "ERISA
  Affiliate" means, with respect to a person, any trade or business (whether
  or not incorporated) which would be considered a single employer with such
  person pursuant to Section 414(b), (c), (m) or (o) of the Code and the
  regulations promulgated under those sections or pursuant to Section 4001(b)
  of ERISA and the regulations promulgated thereunder.
 
  2.14 COMPLIANCE WITH CERTAIN LAWS. The properties, assets and operations of
Parent and its Subsidiaries are in compliance in all material respects with
all applicable federal, state, local and foreign laws, rules and regulations,
orders, decrees, judgments, permits and licenses relating to public and worker
health and safety (collectively, "Worker Safety Laws") and the protection and
clean-up of the environment and activities or conditions related thereto,
including, without limitation, those relating to the generation, handling,
disposal, transportation or release of hazardous materials (collectively,
"Environmental Laws"), except for any violations that, individually or in the
aggregate, would not have a Material Adverse Effect on Parent. With respect to
such properties, assets and operations, including any previously owned, leased
or operated properties, assets or operations, there are no past, present or
reasonably anticipated future events, conditions, circumstances, activities,
practices, incidents, actions or plans of Parent or any of its Subsidiaries
that may interfere with or prevent compliance or continued compliance in all
material respects with applicable Worker Safety Laws and Environmental Laws,
other than any such interference or prevention as would not, individually or
in the aggregate with any such other interference or prevention, have a
Material Adverse Effect on Parent. The term "hazardous materials" shall mean
those substances that are regulated by, or form the basis for liability under,
any applicable Environmental Laws.
 
  2.15 LIABILITIES. Except as set forth in Schedule 2.15 or except as fully
reflected or reserved against in the financial statements included in the
Parent Annual Report, or disclosed in the footnotes thereto, Parent and its
Subsidiaries had no liabilities (including, without limitation, tax
liabilities) at the date of such financial statements, absolute or contingent,
other than liabilities that, individually or in the aggregate, would not have
a Material Adverse Effect on Parent, and had no liabilities (including,
without limitation, tax liabilities) that were not incurred in the ordinary
course of business. Except as so reflected, reserved or disclosed, Parent and
its Subsidiaries have no commitments, other than any commitments which,
individually or in the aggregate, would not have a Material Adverse Effect on
Parent.
 
  2.16 LABOR MATTERS. Neither Parent nor any of its Subsidiaries is a party to
any collective bargaining agreement or labor contract. Neither Parent nor any
of its Subsidiaries has engaged in any unfair labor practice with respect to
any persons employed by or otherwise performing services primarily for Parent
or any of its Subsidiaries (the "Parent Business Personnel"), and there is no
unfair labor practice complaint or grievance against Parent or any of its
Subsidiaries by the National Labor Relations Board or any comparable state
agency pending or threatened in writing with respect to the Parent Business
Personnel, except where such unfair labor practice, complaint or grievance
would not have a Material Adverse Effect on Parent. There is no labor strike,
dispute, slowdown or stoppage pending or, to the Knowledge of Parent,
threatened against or affecting Parent or any of its Subsidiaries which may
interfere with the respective business activities of Parent or any of its
Subsidiaries, except where such dispute, strike or work stoppage would not
have a Material Adverse Effect on Parent. Parent and all of its Subsidiaries
are in compliance with all federal and state laws respecting employment and
employment practices, immigration, terms and conditions of employment, and
wages and hours, except where such noncompliance would not have a Material
Adverse Effect on Parent. With respect to the employees of Parent and/or its
Subsidiaries, to the Knowledge of Parent, no event has occurred and there
exists no condition or set of circumstances in connection with which Parent or
any of its Subsidiaries or any ERISA Affiliate of Parent could be subject to
any liability under any federal or state law handicap or disability
discrimination law, any federal, state or local fair employment practices or
nondiscrimination act, or any other applicable law which would have a Material
Adverse Effect on Parent.
 
  2.17 INTELLECTUAL PROPERTY. Parent and its Subsidiaries have all patents,
trademarks, trade names, service marks, trade secrets, copyrights and other
proprietary intellectual property rights (collectively, "Intellectual Property
Rights") as are necessary in connection with the business of Parent and its
Subsidiaries, taken as a
 
                                      13
<PAGE>
 
whole, except where the failure to have such Intellectual Property Rights
would not have a Material Adverse Effect on Parent. Neither Parent nor any of
its Subsidiaries has infringed any Intellectual Property Rights of any third
party other than any infringements that, individually or in the aggregate,
would not have a Material Adverse Effect on Parent.
 
  2.18 POOLING OF INTERESTS; REORGANIZATION. To the Knowledge of Parent,
neither Parent, any of its Subsidiaries, nor any of its directors or officers
has (i) taken any action or failed to take any action which action or failure
would jeopardize the treatment of the Merger as a pooling of interests for
accounting purposes or (ii) taken any action or failed to take any action
which action or failure would jeopardize the qualification of the Merger as a
reorganization within the meaning of Section 368(a) of the Code.
 
  2.19 REQUIRED VOTE OF PARENT SHAREHOLDERS. Except with respect to the Share
Issuance and the amendment of Parent's 1996 Employee Stock Incentive Plan, as
amended (the "1996 Plan"), the affirmative vote of a majority of the votes
entitled to be cast is required to approve this Agreement and the transactions
contemplated hereby, including without limitation the amendment of Parent's
Articles of Incorporation. The affirmative vote of the holders of a majority
of shares represented and entitled to vote on such amendment is required for
the amendment of the 1996 Plan, provided that a quorum is present at the
meeting at which such amendment is voted upon. The affirmative vote of a
majority of votes cast on a proposal in a proxy bearing on the Share Issuance,
in which the total vote cast on the Share Issuance represents over fifty
percent (50%) in interest of all securities entitled to vote on the proposal,
is required to approve the Share Issuance (the required shareholder votes
referred to in this sentence and two preceding sentences are collectively
referred to herein as the "Parent Required Vote"). Except for the vote of
Parent's shareholders approving this Agreement, the transactions contemplated
hereby, the Share Issuance, the amendment to Parent's Articles of
Incorporation which increases the authorized capital stock of Parent, and the
amendment of the 1996 Plan, no other vote of the shareholders of Parent is
required by law, the Articles of Incorporation or Bylaws of Parent or
otherwise in order for Parent to consummate the Share Issuance, the Merger and
the transactions contemplated hereby.
 
  2.20 OPERATIONS OF SUB. Sub is a direct, wholly-owned subsidiary of Parent,
was formed solely for the purpose of engaging in the transactions contemplated
hereby, has engaged in no other business activities and has conducted its
operations only as contemplated hereby.
 
  2.21 BROKERS. No broker, investment banker or other person, other than
Salomon Smith Barney, is entitled to any broker's, finder's or other similar
fee or commission in connection with the transactions contemplated by this
Agreement based upon arrangements made by or on behalf of Parent.
 
  2.22 OPINION OF FINANCIAL ADVISOR. Parent has received the opinion of
Salomon Smith Barney dated as of the date hereof (which opinion is written or,
if initially given verbally, shall immediately hereafter be memorialized in a
written opinion to be delivered to Parent), to the effect that, as of the date
hereof, the Conversion Number is fair to Parent's shareholders from a
financial point of view (the "Parent Fairness Opinion").
 
  2.23 STATE TAKEOVER STATUTES. The Board of Directors of Parent has, to the
extent such statutes are applicable, (a) taken all action necessary to exempt
the Company, its Subsidiaries and "Affiliates" (as defined in this Section
2.23), the Merger, this Agreement and the transactions contemplated hereby
from Sections 14-2-1110 through 14-2-1133 of the GBCC and (b) taken all action
necessary to satisfy the provisions of Sections 14-2-1110 through 14-2-1133 of
the GBCC. To the Knowledge of Parent, no other state takeover statutes are
applicable to the Merger, this Agreement and the transactions contemplated
hereby. For purposes of this Section 2.23 and Section 3.19, an "Affiliate" of
a party means any person or entity controlling, controlled by, or under common
control with such party. For the purposes of this definition, "control" shall
mean, as to any entity, the power to direct or cause the direction of the
management and policies of such entity through (i) control of a majority of
the members of the Board of Directors of such entity, or (ii) ownership of
fifty percent (50%) or more of the total outstanding voting securities of such
entity. "Controlling" and "controlled" shall have a correlative meaning.
 
                                      14
<PAGE>
 
                                  ARTICLE III
 
                 REPRESENTATIONS AND WARRANTIES OF THE COMPANY
 
  The Company represents and warrants to Parent and Sub as follows:
 
  3.1 ORGANIZATION, STANDING AND POWER. The Company is a corporation duly
organized, validly existing and in good standing under the laws of the State
of Tennessee and has the requisite corporate power and authority to carry on
its business as now being conducted. Each Subsidiary of the Company is duly
organized, validly existing and in good standing under the laws of the
jurisdiction in which it is organized and has the requisite corporate (in the
case of a Subsidiary that is a corporation) or other power and authority to
carry on its business as now being conducted, except where the failure to be
so organized, existing or in good standing or to have such power or authority
would not, individually or in the aggregate, have a Material Adverse Effect on
the Company. The Company and each of its Subsidiaries are duly qualified to do
business, and are in good standing, in each jurisdiction where the character
of their properties owned or held under lease or the nature of their
activities makes such qualification necessary, except where the failure to be
so qualified would not, individually or in the aggregate, have a Material
Adverse Effect on the Company.
 
  3.2 CAPITAL STRUCTURE. As of the date hereof, the authorized capital stock
of the Company consists of 100,000,000 shares of Company Common Stock, par
value $.01 per share, and 10,000,000 shares of Preferred Stock, par value $.01
per share ("Company Preferred Stock"). At the close of business on June 12,
1998 (except with respect to the representation and warranty in subsection (v)
below which is made as of the date hereof), (i) 48,911,724 shares of Company
Common Stock were issued and outstanding, all of which were validly issued,
fully paid and nonassessable and free of preemptive rights or rights of first
refusal, (ii) no shares of Company Common Stock were held in the treasury of
the Company or by the Subsidiaries of the Company, (iii) 5,145,000 shares of
Company Common Stock were reserved for future issuance pursuant to the
Company's 1994 Incentive Stock Plan, as amended and restated, 1994 Non-
Employee Director Stock Option Plan, as amended and restated, 1997 Executive
Stock Incentive Plan, the 1997 Non-Qualified Stock Option Plan, and the Non-
Employee Director Restricted Stock Award Plan (collectively, the "Company
Stock Option Plans"), (iv) 10,000 shares of Company Common Stock, in the
aggregate, were reserved for issuance pursuant to Stock Purchase Warrants
issued to each of Fred Armstrong and David Ford in connection with an
acquisition by the Company of a merchant portfolio (collectively, the "Company
Warrants"), and (v) 9,733,433 shares of Company Common Stock were reserved for
issuance pursuant to the Stock Option Agreement, of even date herewith,
between the Company and Parent (the "Company Stock Option Agreement"). No
shares of Company Preferred Stock are outstanding. As of the date of this
Agreement, except for (a) stock options covering not in excess of 3,090,873
shares of Company Common Stock under the Company Stock Option Plans
(collectively, the "Company Options"), (b) the Company Warrants or (c) the
Company Stock Option Agreement, there are no options, warrants, calls, rights
or agreements to which the Company or any of its Subsidiaries is a party or by
which any of them is bound obligating the Company or any of its Subsidiaries
to issue, deliver or sell, or cause to be issued, delivered or sold,
additional shares of capital stock of the Company or any of its Subsidiaries
or obligating the Company or any of its Subsidiaries to grant, extend or enter
into any such option, warrant, call, right or agreement. Since June 12, 1998,
the Company has not issued any shares of its capital stock, or securities
convertible into or exchangeable for such capital stock. Each outstanding
share of capital stock of each Subsidiary of the Company that is a corporation
is duly authorized, validly issued, fully paid and nonassessable and, except
as disclosed in the "Company SEC Documents" (as defined in Section 3.5) or
Schedule 3.2, each such share is owned by the Company or another Subsidiary of
the Company, free and clear of all security interests, liens, claims, pledges,
options, rights of first refusal, agreements, limitations on voting rights,
charges and other encumbrances of any nature whatsoever. Except as disclosed
in Schedule 3.2, Exhibit 21.1 to the Company's Annual Report on Form 10-K, as
amended, for the year ended July 31, 1997, as filed with the SEC (the "Company
Annual Report"), is a true, accurate and correct statement in all material
respects of all of the information required to be set forth therein by the
regulations of the SEC.
 
                                      15
<PAGE>
 
  3.3 AUTHORITY.
 
    (a) The Board of Directors of the Company has on or prior to the date of
  this Agreement at a meeting duly called and held and not subsequently
  rescinded or modified in any way (i) unanimously adopted this Agreement in
  accordance with the TBCA, (ii) resolved to recommend the approval of this
  Agreement to the Company's shareholders and (iii) directed that this
  Agreement be submitted to the Company's shareholders for approval.
 
    (b) The Company has all requisite corporate power and authority to enter
  into this Agreement and, subject to approval by the shareholders of the
  Company of this Agreement, to consummate the transactions contemplated
  hereby. The execution and delivery of this Agreement by the Company and the
  consummation by the Company of the transactions contemplated hereby have
  been duly authorized by all necessary corporate action on the part of the
  Company, subject to (x) approval of this Agreement by the shareholders of
  the Company and (y) the filing of appropriate Merger documents as required
  by the TBCA. This Agreement has been duly executed and delivered by the
  Company and (assuming the valid authorization, execution and delivery of
  this Agreement by Parent and Sub) constitutes the valid and binding
  obligation of the Company enforceable against the Company in accordance
  with its terms. The Merger, the transactions contemplated hereby, the
  filing of the Joint Proxy Statement, and the inclusion of other necessary
  materials in the Registration Statement, with the SEC has been duly
  authorized by the Company's Board of Directors.
 
  3.4 CONSENTS AND APPROVALS; NO VIOLATION. Assuming that all consents,
approvals, authorizations and other actions described in this Section 3.4 have
been obtained and all filings and obligations described in this Section 3.4
have been made, and except as set forth in Schedule 3.4 (including the
required consents, approvals, authorizations and other actions identified
therein), the execution and delivery of this Agreement do not, and the
consummation of the transactions contemplated hereby and compliance with the
provisions hereof will not, result in any violation of, or default (with or
without notice or lapse of time, or both) under, or give to others a right of
termination, cancellation or acceleration of any obligation or the loss of a
material benefit under, or result in the creation of any lien, security
interest, charge or encumbrance upon any of the properties or assets of the
Company or any of its Subsidiaries under, any provision of (i) the Amended and
Restated Charter or Bylaws of the Company, (ii) any provision of the
comparable charter or organization documents of any of the Company's
Subsidiaries, (iii) any loan or credit agreement, note, bond, mortgage,
indenture, lease or other agreement, instrument, permit, concession, franchise
or license applicable to the Company or any of its Subsidiaries or (iv) any
judgment, order, decree, statute, law, ordinance, rule or regulation
applicable to the Company or any of its Subsidiaries or any of their
respective properties or assets, other than, in the case of clauses (ii),
(iii) or (iv), any such violations, defaults, rights, liens, security
interests, charges or encumbrances that, individually or in the aggregate,
would not have a Material Adverse Effect on the Company, or prevent the
consummation of any of the transactions contemplated hereby. No filing or
registration with, or authorization, consent or approval of, any Governmental
Entity is required by or with respect to the Company or any of its
Subsidiaries in connection with the execution and delivery of this Agreement
by the Company or is necessary for the consummation of the Merger and the
other transactions contemplated by this Agreement, except for (i) in
connection, or in compliance, with the provisions of the HSR Act, the
Securities Act and the Exchange Act, (ii) the filing of the Articles of Merger
with the Secretary of State of the State of Tennessee and appropriate
documents with the relevant authorities of other states in which the Company
or any of its Subsidiaries is qualified to do business, (iii) such filings and
consents as may be required under any environmental, health or safety law or
regulation pertaining to any notification, disclosure or required approval
triggered by the Merger or by the transactions contemplated by this Agreement,
(iv) such filings, authorizations, orders and approvals as may be required to
obtain the State Takeover Approvals, (v) such filings and consents as may be
required under any state or foreign laws pertaining to debt collection, the
issuance of payment instruments or money transmission, (vi) applicable
requirements, if any, of Blue Sky Laws and the Nasdaq National Market, and
(vii) such other consents, orders, authorizations, registrations, declarations
and filings the failure of which to be obtained or made would not,
individually or in the aggregate, have a Material Adverse Effect on the
Company or prevent the consummation of any of the transactions contemplated
hereby.
 
                                      16
<PAGE>
 
  3.5 SEC DOCUMENTS AND OTHER REPORTS. The Company has filed all required
documents, reports and schedules with the SEC since December 31, 1996 (the
"Company SEC Documents"). As of their respective dates, the Company SEC
Documents complied in all material respects with the requirements of the
Securities Act or the Exchange Act, as the case may be, and, at the respective
times they were filed, none of the Company SEC Documents contained any untrue
statement of a material fact or omitted to state a material fact required to
be stated therein or necessary to make the statements therein, in light of the
circumstances under which they were made, not misleading. Except as set forth
in Schedule 3.5, the consolidated financial statements (including, in each
case, any notes thereto) of the Company included in the Company SEC Documents
complied as to form in all material respects with applicable accounting
requirements and the published rules and regulations of the SEC with respect
thereto, were prepared in accordance with generally accepted accounting
principles (except as may be indicated therein or in the notes thereto)
applied on a consistent basis during the periods involved (except as may be
indicated therein or in the notes thereto) and fairly presented in all
material respects the consolidated financial position of the Company and its
consolidated Subsidiaries as at the respective dates thereof and the
consolidated results of their operations and their consolidated cash flows for
the periods then ended (subject, in the case of unaudited statements, to
normal year-end audit adjustments and to any other adjustments described
therein). Except as disclosed in Schedule 3.5, the Company has not, since July
31, 1997, made any change in the accounting practices or policies applied in
the preparation of financial statements.
 
  3.6 REGISTRATION STATEMENT AND JOINT PROXY STATEMENT. None of the
information to be supplied by the Company for inclusion or incorporation by
reference in the Registration Statement, the Joint Proxy Statement or any
other document filed with any other regulatory agency in connection herewith,
will: (i) in the case of the Registration Statement, at the time it becomes
effective, contain any untrue statement of a material fact or omit to state
any material fact required to be stated therein or necessary in order to make
the statements therein not misleading; (ii) in the case of the Joint Proxy
Statement, at the time of the mailing of the Joint Proxy Statement, the time
of each of the Shareholder Meetings and at 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; or (iii) in the case of any other filing required by any
regulatory agency in connection herewith, 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. If at any time prior
to the Effective Time any event with respect to the Company, its officers and
directors or any of its Subsidiaries shall occur which is required to be
described in the Joint Proxy Statement or the Registration Statement,
information concerning such event shall be supplied by the Company to Parent
and its representatives in connection with their preparation and prompt filing
with the SEC of an appropriate amendment or supplement and, as required by
law, disseminated to the shareholders of the Company. The Joint Proxy
Statement (except for portions thereof that relate only to Parent or any of
its Subsidiaries) will comply as to form in all material respects with the
provisions of the Exchange Act.
 
  3.7 ABSENCE OF CERTAIN CHANGES OR EVENTS. Except as disclosed in Schedule
3.7, since July 31, 1997, (A) the Company and its Subsidiaries have not
incurred any material liability or obligation (indirect, direct or
contingent), or entered into any material oral or written agreement or other
transaction, that is not in the ordinary course of business or that would
result in a Material Adverse Effect on the Company, excluding any changes and
effects resulting from changes in economic, regulatory or political conditions
or changes in conditions generally applicable to the industries in which the
Company and Subsidiaries of the Company are involved and except for any such
changes or effects resulting from this Agreement, the transactions
contemplated hereby or the announcement thereof; (B) the Company and its
Subsidiaries have not sustained any loss or interference with their business
or properties from fire, flood, windstorm, accident or other calamity (whether
or not covered by insurance) that has had a Material Adverse Effect on the
Company; (C) other than any indebtedness incurred by the Company after the
date hereof as permitted by Section 4.1(b)(vi), there has been no material
change in the consolidated indebtedness of the Company and its Subsidiaries,
and no dividend or distribution of any kind declared, paid or made by the
Company on any class of its stock; and (D) there has been no event causing a
Material Adverse Effect on the Company, excluding any changes and effects
resulting from changes in economic,
 
                                      17
<PAGE>
 
regulatory or political conditions or changes in conditions generally
applicable to the industries in which the Company and Subsidiaries of the
Company are involved and which do not affect the Company in a manner
materially disproportionate to the effect on Parent) and except for any such
changes or effects resulting from this Agreement, the transactions
contemplated hereby or the announcement thereof.
 
  3.8 PERMITS AND COMPLIANCE. Each of the Company and its Subsidiaries is in
possession of all franchises, grants, authorizations, licenses, permits,
easements, variances, exceptions, consents, certificates, approvals and orders
of any Governmental Entity necessary for the Company or any of its
Subsidiaries to own, lease and operate its properties or to carry on its
business as it is now being conducted (collectively, the "Company Permits"),
except where the failure to have any of the Company Permits would not,
individually or in the aggregate, have a Material Adverse Effect on the
Company, and, as of the date of this Agreement, no suspension or cancellation
of any of the Company Permits is pending or, to the "Knowledge of the Company"
(as defined in this Section 3.8), threatened, except where the suspension or
cancellation of any of the Company Permits would not, individually or in the
aggregate, have a Material Adverse Effect on Company. Neither the Company nor
any of its Subsidiaries is in default or violation of (A) its charter, bylaws
or other organizational documents, (B) any applicable law, ordinance,
administrative or governmental rule or regulation, (C) any order, decree or
judgment of any Governmental Entity having jurisdiction over the Company or
any of its Subsidiaries, or (D) any provisions of the rules and regulations of
the Credit Card Associations, except, in the case of clauses (A), (B), (C), or
(D) for any violations that, individually or in the aggregate, would not have
a Material Adverse Effect on the Company. Except as disclosed in Schedule 3.8,
as of the date hereof there is no contract or agreement that is material to
the business, financial condition or results of operations of the Company and
its Subsidiaries, taken as a whole. Except as set forth in Schedule 3.8, as of
the date of this Agreement, no event of default or event that, but for the
giving of notice or the lapse of time or both, would constitute an event of
default exists or, upon the consummation by the Company of the transactions
contemplated by this Agreement, will exist under any indenture, mortgage, loan
agreement, note or other agreement or instrument for borrowed money, any
guarantee of any agreement or instrument for borrowed money or any lease,
contractual license or other agreement or instrument to which the Company or
any of its Subsidiaries is a party or by which the Company or any such
Subsidiary is bound or to which any of the properties, assets or operations of
the Company or any such Subsidiary is subject, other than any defaults that,
individually or in the aggregate, would not have a Material Adverse Effect on
the Company. Set forth in Schedule 3.8 is a description of any material
changes to the amount and terms of the indebtedness of the Company and its
Subsidiaries as described in the Company Annual Report. "Knowledge of the
Company" means the actual knowledge of the individuals identified in Schedule
3.8.
 
  3.9 TAX RETURNS.
 
    (a) Returns Filed and Taxes Paid. Except as otherwise disclosed in
  Schedule 3.9(a), or except as would not have a Material Adverse Effect on
  the Company: (i) all Returns required to be filed by or on behalf of the
  Company and each of its Subsidiaries have been duly filed on a timely basis
  and such Returns are correct, true, and complete; (ii) all Taxes shown to
  be payable on the Returns or on subsequent assessments with respect thereto
  have been paid in full on a timely basis, and no other Taxes are payable by
  the Company or any of its Subsidiaries with respect to items or periods
  covered by such Returns or with respect to any taxable periods ending prior
  to the date of this Agreement; (iii) the Company and each of its
  Subsidiaries have withheld and paid over all Taxes required to have been
  withheld and paid over, and complied with all information reporting and
  backup withholding requirements, including maintenance of required records
  with respect thereto, in connection with amounts paid or owing to any
  employee, creditor, independent contractor, or other third party; and (iv)
  there are no liens on any of the assets of the Company or any of its
  Subsidiaries with respect to Taxes, other than liens for Taxes not yet due
  and payable.
 
    (b) Tax Deficiencies; Audits; Statutes of Limitations. Except as
  otherwise disclosed in Schedule 3.9(b), or except as would not have a
  Material Adverse Effect on the Company: (i) neither the Returns of the
  Company nor any of its Subsidiaries have been audited by a government or
  taxing authority, nor is any such audit in process; (ii) no deficiencies
  exist or have been asserted (either in writing or verbally, formally or
  informally) or are expected to be asserted with respect to Taxes of the
  Company or any of its
 
                                      18
<PAGE>
 
  Subsidiaries, and neither the Company nor any of its Subsidiaries has
  received notice (either in writing or verbally, formally or informally)
  that it has not filed a Return or paid Taxes required to be filed or paid
  by it; (iii) neither the Company nor any of its Subsidiaries is a party to
  any action or proceeding for assessment or collection of Taxes, nor has
  such event been asserted or threatened (either in writing or verbally,
  formally or informally) against the Company or any of its Subsidiaries, or
  any of their respective assets; (iv) no waiver or extension of any statute
  of limitations is in effect with respect to Taxes or Returns of the Company
  or any of its Subsidiaries; and (v) the Company and each of its
  Subsidiaries have disclosed on their federal income tax returns all
  positions taken therein that could give rise to a substantial
  understatement penalty within the meaning of Section 6662 of the Code.
 
    (c) Tax Sharing Agreements. Except as otherwise disclosed in Schedule
  3.9(c), neither the Company nor any of its Subsidiaries are a party to any
  tax sharing agreement, and (i) the Company has never been a party to a tax
  sharing agreement, and (ii) to the Knowledge of the Company, none of its
  Subsidiaries has ever been a party to any tax sharing agreement.
 
  3.10 ACTIONS AND PROCEEDINGS. Except as set forth in Schedule 3.10, there
are no outstanding orders, judgments, injunctions, awards or decrees of any
Governmental Entity against or involving the Company or any of its
Subsidiaries, or against or involving any of the present or former directors,
officers, employees, consultants, agents or shareholders of the Company or any
of its Subsidiaries, as such, any of its or their properties, assets or
business or any "Company Plan" (as defined in Section 3.13) or any fiduciary,
agent or consultant of any Company Plan that, individually or in the
aggregate, would have a Material Adverse Effect on the Company. As of the date
of this Agreement, there are no actions, suits or claims or legal,
administrative or arbitrative proceedings or investigations pending or, to the
Knowledge of the Company, threatened against or involving the Company or any
of its Subsidiaries or any of its or their present or former directors,
officers, employees, consultants, agents or shareholders, as such, or any of
its or their properties, assets or business or any Company Plan or any
fiduciary, agent or consultant of any Company Plan that, individually or in
the aggregate, would have a Material Adverse Effect on the Company. As of the
date hereof, there are no actions, suits, labor disputes or other litigation,
legal or administrative proceedings or governmental investigations pending or,
to the Knowledge of the Company, threatened against or affecting the Company
or any of its Subsidiaries or any of its or their present or former officers,
directors, employees, consultants, agents or shareholders, as such, or any of
its or their properties, assets or business or any Company Plan or any
fiduciary, agent or consultant of any Company Plan relating to the
transactions contemplated by this Agreement.
 
  3.11 [INTENTIONALLY OMITTED].
 
  3.12 CERTAIN AGREEMENTS. Except as set forth in Schedule 3.12, as of the
date of this Agreement, neither the Company nor any of its Subsidiaries is a
party to any agreement or Plan, any of the benefits of which will be
increased, or the vesting of the 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. No holder of any option to
purchase shares of Company Common Stock, or shares of Company Common Stock
granted in connection with the performance of services for the Company or its
Subsidiaries, is or will be entitled to receive cash from the Company or any
Subsidiary in lieu of or in exchange for such option or shares as a result of
the transactions contemplated by this Agreement.
 
  3.13 ERISA.
 
    (a) With respect to each Plan of the Company or any ERISA Affiliate of
  the Company, the Company has made available to Parent a true and correct
  copy of (i) the most recent annual report (Form 5500) filed with the
  Internal Revenue Service (the "IRS"), (ii) the plan documents of such Plan,
  (iii) each trust agreement, insurance contract or administration agreement
  relating to such Plan, (iv) the most recent summary plan description for
  each Plan for which a summary plan description is required or the most
  recent employee communication explanation for each other Plan, (v) the most
  recent actuarial report or valuation relating to a Plan subject to Title IV
  of ERISA, and (vi) the most recent determination letter, if any, issued by
  the IRS with respect to any Plan intended to be qualified under section
  401(a) of the Code. Each Plan of
 
                                      19
<PAGE>
 
  the Company or any ERISA Affiliate of the Company complies in all material
  respects with ERISA, the Code and all other applicable statutes and
  governmental rules and regulations, and (i) no "reportable event" (within
  the meaning of Section 4043 of ERISA) has occurred with respect to any
  "Company Plan" (as defined in this Section 3.13), (ii) neither the Company
  nor any of its ERISA Affiliates has withdrawn (or partially withdrawn) from
  any Company Plan or "Company Multiemployer Plan" (as defined in this
  Section 3.13) or instituted, or is currently considering taking, any action
  to do so, and (iii) no action has been taken, or is currently being
  considered, to terminate any Company Plan subject to Title IV of ERISA. No
  Company Plan, nor any trust created thereunder, has incurred any
  "accumulated funding deficiency" (as defined in Section 302 of ERISA),
  whether or not waived. To the best Knowledge of the Company, no Company
  Plan has engaged in a prohibited transaction with a fiduciary or party-in-
  interest within the meaning of Section 4975 of the Code or Section 406 of
  ERISA, unless a statutory exception exists for such transaction.
 
    (b) With respect to the Plans of the Company or any ERISA Affiliate of
  the Company, no event has occurred and, to the Knowledge of the Company,
  there exists no condition or set of circumstances in connection with which
  the Company or any ERISA Affiliate of the Company could be subject to any
  liability under the terms of such Plans, ERISA, the Code, any contract or
  document relating to such Plans, or any other applicable law, which would
  have a Material Adverse Effect on the Company. All Company Plans that are
  intended to be qualified under Section 401(a) of the Code have been
  determined by the Internal Revenue Service to be so qualified, or a timely
  (within the meaning of Section 401(b) of the Code) application for such
  determination is now pending, and the Company is not aware of any reason
  why any such Company Plan is not so qualified in operation. Neither the
  Company nor any of its ERISA Affiliates has been notified by any Company
  Multiemployer Plan that such Company Multiemployer Plan is currently in
  reorganization or insolvency under and within the meaning of Section 4241
  or 4245 of ERISA or that such Company Multiemployer Plan intends to
  terminate or has been terminated under Section 4041A of ERISA. Neither the
  Company nor any of its ERISA Affiliates has any liability or obligation
  under any Plan or other contract or agreement to provide benefits after
  termination of employment to any employee or dependent of an employee other
  than as required by ERISA or as disclosed in the Company Annual Report. As
  used herein, (i) "Company Plan" means a "pension plan" (as defined in
  Section 3(2) of ERISA (other than a Company Multiemployer Plan)) or a
  "welfare plan" (as defined in Section 3(1) of ERISA) established or
  maintained by the Company or any of its ERISA Affiliates or as to which the
  Company or any of its ERISA Affiliates has contributed or otherwise may
  have any liability, and (ii) "Company Multiemployer Plan" means a
  "multiemployer plan" (as defined in Section 4001(a)(3) of ERISA) to which
  the Company or any of its ERISA Affiliates is or has been obligated to
  contribute or otherwise may have any liability. With respect to any Company
  Plan which is subject to Title IV of ERISA, the fair market value of the
  assets of such Plan are currently (and are expected to be as of the
  Effective Time) greater than or equal to the present value of all "benefit
  liabilities" (within the meaning of Section 4001(a)(6) of ERISA) of such
  Company Plan.
 
    (c) The Company has made available to Parent true and complete (i) copies
  of all severance and employment agreements with officers of the Company and
  each ERISA Affiliate of the Company, (ii) copies of all severance programs
  and policies of the Company with or relating to its employees; and (iii)
  copies of all plans, programs, agreements and other arrangements of the
  Company with or relating to its employees which contain change of control
  or similar provisions.
 
  3.14 COMPLIANCE WITH CERTAIN LAWS. The properties, assets and operations of
the Company and its Subsidiaries are in compliance in all material respects
with all applicable Worker Safety Laws and Environmental Laws, except for any
violations that, individually or in the aggregate, would not have a Material
Adverse Effect on the Company. With respect to such properties, assets and
operations, including any previously owned, leased or operated properties,
assets or operations, there are no past, present or reasonably anticipated
future events, conditions, circumstances, activities, practices, incidents,
actions or plans of the Company or any of its Subsidiaries that may interfere
with or prevent compliance or continued compliance in all material respects
with applicable Worker Safety Laws and Environmental Laws, other than any such
interference or prevention as
 
                                      20
<PAGE>
 
would not, individually or in the aggregate with any such other interference
or prevention, have a Material Adverse Effect on the Company.
 
  3.15 LIABILITIES. Except as fully reflected or reserved against in the
financial statements included in the Company Annual Report, or disclosed in
the footnotes thereto, the Company and its Subsidiaries had no liabilities
(including, without limitation, tax liabilities) at the date of such financial
statements, absolute or contingent, other than liabilities that, individually
or in the aggregate, would not have a Material Adverse Effect on the Company,
and had no liabilities (including, without limitation, tax liabilities) that
were not incurred in the ordinary course of business. Except as so reflected,
reserved or disclosed, the Company and its Subsidiaries have no commitments,
other than any commitments which, individually or in the aggregate, would not
have a Material Adverse Effect on the Company.
 
  3.16 LABOR MATTERS. Neither the Company nor any of its Subsidiaries is a
party to any collective bargaining agreement or labor contract. Neither the
Company nor any of its Subsidiaries has engaged in any unfair labor practice
with respect to any persons employed by or otherwise performing services
primarily for the Company or any of its Subsidiaries (the "Company Business
Personnel"), and there is no unfair labor practice complaint or grievance
against the Company or any of its Subsidiaries by the National Labor Relations
Board or any comparable state agency pending or threatened in writing with
respect to the Company Business Personnel, except where such unfair labor
practice, complaint or grievance would not have a Material Adverse Effect on
the Company. There is no labor strike, dispute, slowdown or stoppage pending
or, to the Knowledge of the Company, threatened against or affecting the
Company or any of its Subsidiaries which may interfere with the respective
business activities of the Company or any of its Subsidiaries, except where
such dispute, strike or work stoppage would not have a Material Adverse Effect
on the Company. There is no labor strike, dispute, slowdown or stoppage
pending or, to the Knowledge of Company, threatened against or affecting
Company or any of its Subsidiaries which may interfere with the respective
business activities of Company or any of its Subsidiaries, except where such
dispute, strike or work stoppage would not have a Material Adverse Effect on
Company. The Company and all of its Subsidiaries are in compliance with all
federal and state laws respecting employment and employment practices,
immigration, terms and conditions of employment, and wages and hours, except
where noncompliance would not have a Material Adverse Effect on the Company.
With respect to the employees of Company and/or its Subsidiaries, to the
Knowledge of Company, no event has occurred and there exists no condition or
set of circumstances in connection with which Company, or any of its
Subsidiaries or any ERISA Affiliate of Company could be subject to any
liability under any federal or state law handicap or disability discrimination
law, any federal, state or local fair employment practices or
nondiscrimination act, or any other applicable law which would have a Material
Adverse Effect on Company.
 
  3.17 INTELLECTUAL PROPERTY. The Company and its Subsidiaries have all
Intellectual Property Rights as are necessary in connection with the business
of the Company and its Subsidiaries, taken as a whole, except where the
failure to have such Intellectual Property Rights would not have a Material
Adverse Effect on the Company. Neither the Company nor any of its Subsidiaries
has infringed any Intellectual Property Rights of any third party other than
any infringements that, individually or in the aggregate, would have a
Material Adverse Effect on the Company.
 
  3.18 OPINION OF FINANCIAL ADVISOR. The Company has received the opinion of
BT Alex. Brown Incorporated, dated the date hereof (which opinion is written
or, if initially given verbally, shall immediately hereafter be memorialized
in a written opinion to be delivered to Company), to the effect that, as of
the date hereof, the Conversion Number is fair to the Company's shareholders
from a financial point of view (the "Company Fairness Opinion").
 
  3.19 STATE TAKEOVER STATUTES. The Board of Directors of the Company has, to
the extent such statutes are applicable, (a) taken all action necessary to
exempt Parent, its Subsidiaries and Affiliates, the Merger, this Agreement and
the transactions contemplated hereby from Sections 48-103-101 through 48-103-
505 of the TBCA and (b) taken all action necessary to satisfy the provisions
of Sections 48-103-101 through 48-103-505 of the TBCA. To the Knowledge of the
Company, no other state takeover statutes are applicable to the Merger, this
Agreement and the transactions contemplated hereby.
 
                                      21
<PAGE>
 
  3.20 REQUIRED VOTE OF COMPANY SHAREHOLDERS. The affirmative vote of the
holders of not less than a majority of the outstanding shares of Company
Common Stock is required to approve this Agreement (the "Company Required
Vote"). No other vote of the shareholders of the Company is required by law,
the Amended and Restated Charter or Bylaws of the Company or otherwise in
order for the Company to consummate the Merger and the transactions
contemplated hereby.
 
  3.21 POOLING OF INTERESTS; REORGANIZATION. To the Knowledge of the Company,
neither it, any of its Subsidiaries, nor any of its directors or officers has
(i) taken any action or failed to take any action which action or failure
would jeopardize the treatment of the Merger as a pooling of interests for
accounting purposes or (ii) taken any action or failed to take any action
which action or failure would jeopardize the qualification of the Merger as a
reorganization within the meaning of Section 368(a) of the Code.
 
  3.22 BROKERS. No broker, investment banker or other person is entitled to
any broker's, finder's or other similar fee or commission in connection with
the transactions contemplated by this Agreement, other than BT Alex. Brown
Incorporated, and Bear, Stearns & Co. Inc., based upon arrangements made by or
on behalf of the Company.
 
  3.23 EMPLOYMENT AGREEMENTS. Each of Richardson M. Roberts and Gregory S.
Daily has executed an employment agreement with Parent, such employment
agreements to be effective and deemed delivered only upon the Effective Time.
 
                                  ARTICLE IV
 
                   COVENANTS RELATING TO CONDUCT OF BUSINESS
 
  4.1 CONDUCT OF BUSINESS PENDING THE MERGER.
 
    (a) Actions by Parent. Except as expressly permitted by clauses (i)
  through (xiii) of this Section 4.1(a), during the period from the date of
  this Agreement through the Effective Time, Parent shall, and shall cause
  each of its Subsidiaries to, in all material respects carry on its business
  in the ordinary course of its business as currently conducted and, to the
  extent consistent therewith, use reasonable best efforts to preserve intact
  its current business organizations, keep available the services of its
  current officers and employees and preserve its relationships with
  customers, suppliers and others having business dealings with it to the end
  that its goodwill and ongoing business shall be unimpaired at the Effective
  Time. Without limiting the generality of the foregoing, and except as
  otherwise expressly contemplated by this Agreement, Parent shall not, and
  shall not permit any of its Subsidiaries to, without the prior written
  consent of the Company, which consent for purposes of Section 4.1(a)(iv),
  may not be unreasonably withheld or delayed:
 
      (i)(A) declare, set aside or pay any dividends on, or make any other
    actual, constructive or deemed distributions in respect of, any of its
    capital stock, or otherwise make any payments to its shareholders in
    their capacity as such (other than dividends and other distributions by
    Subsidiaries), (B) other than in the case of any Subsidiary, split,
    combine or reclassify any of its capital stock or issue or authorize
    the issuance of any other securities in respect of, in lieu of or in
    substitution for shares of its capital stock or (C) subject to the
    limitations of Section 4.4 and 5.9(b), purchase, redeem or otherwise
    acquire any shares of capital stock of Parent or any other securities
    thereof or those of any Subsidiary or any other securities thereof or
    any rights, warrants or options to acquire any such shares or other
    securities;
 
      (ii) issue, deliver, sell, pledge, dispose of or otherwise encumber
    any shares of its capital stock, any other voting securities or equity
    equivalent or any securities convertible into, or any rights, warrants
    or options to acquire any such shares, voting securities, equity
    equivalent or convertible securities, other than (A) the issuance of
    shares of Parent Common Stock upon the exercise of Parent Options
    outstanding on the date of this Agreement in accordance with their
    current terms, (B) the issuance of shares of Parent Common Stock in
    connection with acquisitions permitted pursuant to clause (iv) of this
    paragraph (a); and (C) the issuance by any wholly-owned Subsidiary of
    Parent of its capital stock to Parent or another wholly-owned
    Subsidiary of Parent;
 
                                      22
<PAGE>
 
      (iii) amend its Articles of Incorporation or Bylaws; provided,
    however, that Parent may amend its Articles of Incorporation to
    increase its authorized capital stock to 100,000,000 authorized shares
    of Parent Common Stock (as referenced in Section 2.2 hereof);
 
      (iv) acquire or agree to acquire by merging or consolidating with, or
    by purchasing a substantial portion of the assets of or equity in, 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, except those
    transactions in the ordinary course of business which Parent or any of
    its Subsidiaries is obligated to consummate, and the consideration for
    which consists solely of cash, pursuant to agreements to which Parent
    or any of its Subsidiaries is a party in effect as of the date hereof;
 
      (v) sell, lease or otherwise dispose of, or agree to sell, lease or
    otherwise dispose of, any of its assets, other than transactions that
    are in the ordinary course of business consistent with past practice
    and not material to Parent and its Subsidiaries taken as a whole;
 
      (vi) incur any indebtedness for borrowed money, guarantee any such
    indebtedness or make any loans, advances or capital contributions to,
    or other investments in, any other person, other than (A) in the
    ordinary course of business consistent with past practice and (B)
    indebtedness, loans, advances, capital contributions and investments
    between Parent and any of its Subsidiaries or between any of such
    Subsidiaries;
 
      (vii) alter (through merger, liquidation, reorganization,
    restructuring or in any other fashion) the corporate structure or
    ownership of Parent or any Subsidiary;
 
      (viii) enter into or adopt, or amend any existing, severance plan,
    agreement or arrangement or enter into or amend any Parent Plan or
    employment or consulting agreement, other than as required by law or by
    this Agreement;
 
      (ix) increase the compensation payable or to become payable to its
    officers or employees, except for increases in the ordinary course of
    business consistent with past practice in salaries or wages of
    employees of Parent or any of its Subsidiaries who are not officers of
    Parent or any of its Subsidiaries, or grant any severance or
    termination pay to, or enter into any employment or severance agreement
    with, any director or officer of Parent or any of its Subsidiaries, or
    establish, adopt, enter into, or, except as may be required to comply
    with applicable law, amend in any material respect or take action to
    enhance in any material respect or accelerate any rights or benefits
    under, any labor, collective bargaining, bonus, profit sharing, thrift,
    compensation, stock option, restricted stock, pension, retirement,
    deferred compensation, employment, termination, severance or other
    plan, agreement, trust, fund, policy or arrangement for the benefit of
    any director, officer or employee;
 
      (x) knowingly violate or knowingly fail to perform any material
    obligation or duty imposed upon it or any Subsidiary by any applicable
    material federal, state or local law, rule, regulation, guideline or
    ordinance;
 
      (xi) take any action, other than reasonable and usual actions in the
    ordinary course of business consistent with past practice, with respect
    to accounting policies or procedures (other than actions required to be
    taken by generally accepted accounting principles);
 
      (xii) make any tax election or settle or compromise any material
    federal, state, local or foreign income tax liability; or
 
      (xiii) authorize, recommend or announce an intention to do any of the
    foregoing, or enter into any contract, agreement, commitment or
    arrangement to do any of the foregoing.
 
    (b) Actions by the Company. Except as expressly permitted by clauses (i)
  through (xiii) of this Section 4.1(b), during the period from the date of
  this Agreement through the Effective Time, the Company shall, and shall
  cause each of its Subsidiaries to, in all material respects carry on its
  business in the ordinary
 
                                      23
<PAGE>
 
  course of its business as currently conducted and, to the extent consistent
  therewith, use reasonable best efforts to preserve intact its current
  business organizations, keep available the services of its current officers
  and employees and preserve its relationships with customers, suppliers and
  others having business dealings with it to the end that its goodwill and
  ongoing business shall be unimpaired at the Effective Time. Without
  limiting the generality of the foregoing, and except as otherwise expressly
  contemplated by this Agreement, the Company shall not, and shall not permit
  any of its Subsidiaries to, without the prior written consent of Parent,
  which consent, for purposes of Section 4.1(b)(iv), may not be unreasonably
  withheld or delayed:
 
      (i)(A) declare, set aside or pay any dividends on, or make any other
    actual, constructive or deemed distributions in respect of, any of its
    capital stock, or otherwise make any payments to its shareholders in
    their capacity as such (other than dividends and other distributions by
    Subsidiaries), (B) other than in the case of any Subsidiary, split,
    combine or reclassify any of its capital stock or issue or authorize
    the issuance of any other securities in respect of, in lieu of or in
    substitution for shares of its capital stock or (C) subject to the
    limitations set forth in Sections 4.4 and 5.9(b), purchase, redeem or
    otherwise acquire any shares of capital stock of the Company or any
    other securities thereof or any rights, warrants or options to acquire
    any such shares or other securities;
 
      (ii) issue, deliver, sell, pledge, dispose of or otherwise encumber
    any shares of its capital stock, any other voting securities or equity
    equivalent or any securities convertible into, or any rights, warrants
    or options to acquire any such shares, voting securities, equity
    equivalent or convertible securities, other than (A) the issuance of
    shares of Company Common Stock upon the exercise of Company Options
    outstanding on the date of this Agreement in accordance with their
    current terms, (B) the issuance of shares of Company Common Stock in
    connection with acquisitions permitted pursuant to clause (iv) of this
    paragraph (b), and (C) the issuance by any wholly-owned Subsidiary of
    the Company of its capital stock to the Company or another wholly-owned
    Subsidiary of the Company;
 
      (iii) amend its Charter or Bylaws;
 
      (iv) acquire or agree to acquire by merging or consolidating with, or
    by purchasing a substantial portion of the assets of or equity in, 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, except those
    transactions in the ordinary course of business which the Company or
    any of its Subsidiaries is obligated to consummate, and the
    consideration for which consists solely of cash, pursuant to agreements
    to which the Company or any of its Subsidiaries is a party in effect as
    of the date hereof;
 
      (v) sell, lease or otherwise dispose of, or agree to sell, lease or
    otherwise dispose of, any of its assets, other than transactions that
    are in the ordinary course of business consistent with past practice
    and not material to the Company and its Subsidiaries taken as a whole;
 
      (vi) incur any indebtedness for borrowed money, guarantee any such
    indebtedness or make any loans, advances or capital contributions to,
    or other investments in, any other person, other than (A) in the
    ordinary course of business consistent with past practices and (B)
    indebtedness, loans, advances, capital contributions and investments
    between the Company and any of its Subsidiaries or between any of such
    Subsidiaries;
 
      (vii) alter (through merger, liquidation, reorganization,
    restructuring or in any other fashion) the corporate structure or
    ownership of the Company or any Subsidiary;
 
      (viii) enter into or adopt, or amend any existing, severance plan,
    agreement or arrangement or enter into or amend any Company Plan or
    employment or consulting agreement, other than as required by law;
 
      (ix) except as set forth in Schedule 4.1(b)(ix), increase the
    compensation payable or to become payable to its officers or employees,
    except for increases in the ordinary course of business consistent with
    past practice in salaries or wages of employees of the Company or any
    of its Subsidiaries who are not officers of the Company or any of its
    Subsidiaries, or grant any severance or termination pay to, or
 
                                      24
<PAGE>
 
    enter into any employment or severance agreement with, any director or
    officer of the Company or any of its Subsidiaries, or establish, adopt,
    enter into, or, except as may be required to comply with applicable
    law, amend in any material respect or take action to enhance in any
    material respect or accelerate any rights or benefits under, any labor,
    collective bargaining, bonus, profit sharing, thrift, compensation,
    stock option, restricted stock, pension, retirement, deferred
    compensation, employment, termination, severance or other plan,
    agreement, trust, fund, policy or arrangement for the benefit of any
    director, officer or employee;
 
      (x) knowingly violate or knowingly fail to perform any material
    obligation or duty imposed upon it or any Subsidiary by any applicable
    material federal, state or local law, rule, regulation, guideline or
    ordinance;
 
      (xi) take any action, other than reasonable and usual actions in the
    ordinary course of business consistent with past practice, with respect
    to accounting policies or procedures (other than actions required to be
    taken by generally accepted accounting principles);
 
      (xii) make any tax election or settle or compromise any material
    federal, state, local or foreign income tax liability; or
 
      (xiii) authorize, recommend, propose or announce an intention to do
    any of the foregoing, or enter into any contract, agreement, commitment
    or arrangement to do any of the foregoing.
 
  4.2 NO SOLICITATION.
 
    (a) The Company agrees that, from and after the date hereof, it shall
  not, and shall not cause, authorize or permit its Subsidiaries or any of
  its officers, directors, agents, attorneys, accountants, advisors,
  affiliates and other representatives, or those of any of its Subsidiaries
  to, solicit, participate in, or encourage inquiries or proposals with
  respect to, or engage in any negotiations concerning, or provide any
  confidential information to, or have any discussions or negotiations with,
  any person relating to, any "Company Takeover Proposal" (as such term is
  defined in Section 4.2(c)); provided, however, that the Company may engage
  in discussions or negotiations with, or furnish information concerning the
  Company and its Subsidiaries, business, properties or assets to, any third
  party which makes a Company Takeover Proposal if the Board of Directors of
  the Company concludes in good faith on the basis of the advice of its
  outside legal counsel (who may be its regularly engaged outside legal
  counsel) that the failure to take such action would violate the fiduciary
  obligations of such Board under applicable law. The Company shall promptly
  (within 24 hours) advise Parent following the receipt by the Company of any
  Company Takeover Proposal and the material terms thereof (including the
  identity of the person making such Company Takeover Proposal), and advise
  Parent of any developments with respect to such Company Takeover Proposal
  immediately upon the occurrence thereof.
 
    (b) Parent agrees that, from and after the date hereof, it shall not, and
  shall not cause, authorize or permit its Subsidiaries or any of its
  officers, directors, agents, attorneys, accountants, advisors, affiliates
  and other representatives, or those of any of its Subsidiaries to, solicit,
  participate in, or encourage inquiries or proposals with respect to, or
  engage in any negotiations concerning, or provide any confidential
  information to, or have any discussions or negotiations with, any person
  relating to, any "Parent Takeover Proposal" (as such term is defined in
  Section 4.2(d)); provided, however, that Parent may engage in discussions
  or negotiations with, or furnish information concerning Parent and its
  Subsidiaries, business, properties or assets to, any third party which
  makes a Parent Takeover Proposal if the Board of Directors of Parent
  concludes in good faith on the basis of the advice of its outside counsel
  (who may be its regularly engaged outside counsel) that the failure to take
  such action would violate the fiduciary obligations of such Board under
  applicable law. Parent shall promptly (within 24 hours) advise the Company
  following the receipt by Parent of any Parent Takeover Proposal and the
  material terms thereof (including the identity of the person making such
  Parent Takeover Proposal), and advise the Company of any developments with
  respect to such Parent Takeover Proposal immediately upon the occurrence
  thereof.
 
                                      25
<PAGE>
 
    (c) "Company Takeover Proposal" means any tender offer or exchange offer,
  proposal for a merger, consolidation or other business combination
  involving the Company or any of its Subsidiaries or any proposal or offer
  to acquire in any manner a substantial equity interest in, or a substantial
  portion of the assets of, the Company or any of its Subsidiaries, other
  than by the transactions contemplated under, or otherwise permitted by,
  this Agreement.
 
    (d) "Parent Takeover Proposal" means any tender offer or exchange offer,
  proposal for a merger, consolidation or other business combination
  involving Parent or any of its Subsidiaries or any proposal or offer to
  acquire in any manner a substantial equity interest in, or a substantial
  portion of the assets of, Parent or any of its Subsidiaries, other than by
  the transactions contemplated under, or otherwise permitted by, this
  Agreement.
 
  4.3 THIRD PARTY STANDSTILL AGREEMENTS. During the period from the date of
this Agreement through the Effective Time, neither Parent nor the Company
shall terminate, amend, modify or waive any provision of any confidentiality
or standstill agreement to which such party or any of its Subsidiaries is a
party (other than any involving the other party hereto). During such period,
Parent and the Company agree to enforce, to the fullest extent permitted under
applicable law, the provisions of any such agreements, including, but not
limited to, obtaining injunctions to prevent any breaches of such agreements
and to enforce specifically the terms and provisions thereof in any court of
the United States or any state thereof having jurisdiction.
 
  4.4 POOLING OF INTERESTS; REORGANIZATION. During the period from the date of
this Agreement through the Effective Time, unless the other party shall
otherwise agree in writing, none of Parent, the Company or any of their
respective Subsidiaries (or Affiliates over which each has control) shall (a)
knowingly take or fail to take any action which action or failure would
jeopardize the treatment of the Merger as a pooling of interests for
accounting purposes or (b) knowingly take or fail to take any action which
action or failure would jeopardize the qualification of the Merger as a
reorganization within the meaning of Section 368(a) of the Code. Between the
date of this Agreement and the Effective Time, Parent and the Company each
shall take all reasonable actions necessary to cause the characterization of
the Merger as a pooling of interests for accounting purposes (it being agreed
that such actions will include, if necessary, in the case of Parent, the sale
or transfer for fair value of all shares of Parent Common Stock that currently
are treasury shares). Following the Effective Time, neither Parent nor the
Company shall knowingly take any action, or fail to take any action, that
would jeopardize the characterization of the Merger as a "pooling of
interests" for accounting purposes.
 
  4.5 NO PURCHASE OF SECURITIES; OTHER ACTIONS.
 
    (a) Except as provided in this Agreement or pursuant to the Stock Option
  Agreements of even date herewith, during the period from the date of this
  Agreement through the earlier of (aa) the Effective Time, or (bb) the
  termination of this Agreement, neither Parent nor any of its Subsidiaries
  will, in any manner, (i) acquire, or offer to acquire, any equity
  securities of the Company (including options to acquire securities), (ii)
  acquire, or offer to acquire, any assets of the Company, or (iii) otherwise
  act, alone or in concert with others, to seek to control or influence the
  management, the Board of Directors or the policies of the Company. Neither
  Parent nor any of its Subsidiaries will initiate any request for any waiver
  of the foregoing provisions or any consent to any action which otherwise
  would be prohibited thereby and may request such a waiver or consent only
  if the Company has initiated such request in writing prior thereto.
 
    (b) Except as provided in this Agreement or pursuant to the Stock Option
  Agreements of even date herewith, during the period from the date of this
  Agreement through the earlier of (aa) the Effective Time, or (bb) the
  termination of this Agreement, neither Company nor any of its Subsidiaries
  will, in any manner, (i) acquire, or offer to acquire, any equity
  securities of Parent (including options to acquire securities),
  (ii) acquire, or offer to acquire, any assets of Parent, or (iii) otherwise
  act, alone or in concert with others, to seek to control or influence the
  management, the Board of Directors or the policies of Parent. Neither the
  Company nor any of its Subsidiaries will initiate any request for any
  waiver of the foregoing provisions or any consent to any action which
  otherwise would be prohibited thereby and may request such a waiver or
  consent only if Parent has initiated such request in writing prior thereto.
 
                                      26
<PAGE>
 
                                   ARTICLE V
 
                             ADDITIONAL AGREEMENTS
 
  5.1 SHAREHOLDER MEETINGS.
 
    (a) The Company and Parent each shall duly take all lawful action to
  call, give notice of, convene and hold a meeting of its shareholders
  (respectively, the "Company Shareholder Meeting" and the "Parent
  Shareholder Meeting" and, collectively, the "Shareholder Meetings") to be
  held as promptly as practicable after the effective date of the
  Registration Statement for the purpose of considering, voting upon, and
  obtaining the Parent Required Vote and the Company Required Vote with
  respect to the approval of this Agreement, the transactions contemplated
  hereby and, in the case of Parent, for the additional purposes of
  considering and voting upon the Share Issuance and the Parent Amendments.
  The Company and Parent shall coordinate and cooperate with respect to the
  timing of such meetings and shall use their reasonable best efforts to hold
  such meetings on the same day.
 
    (b) The Company and Parent shall take all lawful action to solicit the
  adoption of this Agreement by the Company Required Vote and the Parent
  Required Vote, respectively. Further, the Parent and Company will, through
  their respective Boards of Directors, recommend to their respective
  shareholders approval of the matters described in Section 5.1(a) above to
  the effects set forth in Section 2.3(a) (with respect to Parent, the
  "Parent Recommendation")) and 3.3(a) (with respect to Company, the "Company
  Recommendation")) and shall not withdraw, rescind, modify, or materially
  qualify in any adverse manner, or take any action or make any statement in
  connection with its Shareholders Meeting materially inconsistent with such
  recommendation (an "Adverse Change in Recommendation"); provided, however,
  that a Board of Directors shall not be required to make such recommendation
  or solicit the adoption of this Agreement by the Company Required Vote or
  the Parent Required Vote, as the case may be, and shall be entitled to make
  an Adverse Change in Recommendation, if such Board concludes in good faith
  on the basis of the advice of its outside legal counsel (who may be its
  regularly engaged outside legal counsel) that the making of such
  recommendation, or the failure to make an Adverse Change in Recommendation,
  would violate the fiduciary obligations of such Board under applicable law.
  The parties acknowledge and agree that in no event will the exercise by a
  party of the provisions of this Section 5.1(b) (allowing such party, for
  instance, under certain specified circumstances and acting through its
  Board of Directors, to withdraw, rescind, modify, or materially qualify in
  any adverse manner its recommendation) excuse or relieve such party of its
  obligation to hold its Shareholder Meeting as provided in Section 5.1(a)
  above.
 
  5.2 PREPARATION OF THE REGISTRATION STATEMENT AND THE JOINT PROXY
STATEMENT. The Company and Parent shall promptly prepare the Joint Proxy
Statement and Parent shall promptly prepare the Registration Statement, in
which the Joint Proxy Statement will be included, and Parent and Company shall
promptly thereafter file the Registration Statement and Joint Proxy Statement.
Each of Parent and the Company shall use its reasonable best efforts to cause
its financial advisor to reconfirm and reissue, as of the date of mailing of
the Joint Proxy Statement, the Parent Fairness Opinion and the Company
Fairness Opinion, respectively, for inclusion and reference in the Joint Proxy
Statement; provided, however, that in no event shall the reconfirmation and
reissuance of either the Parent Fairness Opinion or the Company Fairness
Opinion be a condition precedent to the obligations set forth in Section 5.1
above or a condition precedent to the mailing of the Joint Proxy Statement.
Further, in no event shall the reconfirmation or reissuance, at whatever date,
of the Parent Fairness Opinion or the Company Fairness Opinion, as the case
may be, constitute a condition precedent to Closing. Each of Parent and the
Company shall use its reasonable best efforts to have the Registration
Statement declared effective under the Securities Act as promptly as
practicable after such filing. As promptly as practicable after the
Registration Statement shall have become effective, each of Parent and the
Company shall mail the Joint Proxy Statement to its shareholders. Parent shall
also take any action (other than qualifying to do business in any jurisdiction
in which it is now not so qualified) required to be taken under any applicable
state securities laws in connection with the issuance of Parent Common Stock
in the Merger, and the Company shall furnish all information concerning the
Company and the holders of Company Common Stock as may be reasonably requested
in connection with any such action. No amendment or supplement to the Joint
Proxy Statement or the
 
                                      27
<PAGE>
 
Registration Statement will be made by Parent or the Company without the prior
approval of the other party. Further, to the extent any such amendments or
supplements are required and consented to by each of Parent and the Company,
Parent or the Company, as the case may be, shall promptly prepare and file
such amendement or supplement, as the case may be. Parent and the Company each
will advise the other, promptly after it receives notice thereof, of the time
when the Registration Statement 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 or the Registration Statement
or comments thereon and responses thereto or requests by the SEC for
additional information.
 
  5.3 EMPLOYEE BENEFITS MATTERS. Exhibit 5.3 hereto sets forth certain
agreements among the parties hereto with respect to employee benefit matters
and is incorporated herein by reference.
 
  5.4 ACCESS TO INFORMATION. Subject to currently existing contractual and
legal restrictions applicable to Parent or to the Company or any of their
Subsidiaries, each of Parent and the Company shall, and shall cause each of
its Subsidiaries to, afford to the accountants, counsel, financial advisors
and other representatives of the other party hereto reasonable access to, and
permit them to make such inspections as they may reasonably require of, during
normal business hours during the period from the date of this Agreement
through the Effective Time, all their respective properties, books, contracts,
commitments and records (including, without limitation, the work papers of
independent accountants, if available and subject to the consent of such
independent accountants) and, during such period, Parent and the Company
shall, and shall cause each of its Subsidiaries to, furnish promptly to the
other (i) a copy of each report, schedule, registration statement and other
document filed by it during such period pursuant to the requirements of
federal or state securities laws and (ii) all other information concerning its
business, properties and personnel as the other may reasonably request. No
investigation pursuant to this Section 5.4 shall affect any representation or
warranty in this Agreement of any party hereto or any condition to the
obligations of the parties hereto. All information obtained by Parent or the
Company pursuant to this Section 5.4 shall be kept confidential in accordance
with that certain Mutual Non-Disclosure Agreement dated May 29, 1998 between
Parent and the Company (the "Non-Disclosure Agreement").
 
  5.5 COMPLIANCE WITH THE SECURITIES ACT; POOLING PERIOD.
 
    (a) Prior to the Effective Time, the Company shall cause to be prepared
  and delivered to Parent a list (reasonably satisfactory to counsel for
  Parent) identifying all persons who, at the time of the Company Shareholder
  Meeting, in the Company's reasonable judgment, may be deemed to be
  "affiliates" of the Company as that term is used in paragraphs (c) and (d)
  of Rule 145 promulgated under the Securities Act (the "Rule 145
  Affiliates"). The Company shall use its reasonable best efforts to cause
  each person who is identified as a Rule 145 Affiliate in such list to
  deliver to Parent on or prior to the Effective Time a written agreement, in
  substantially the form of Exhibit 5.5(a) hereto. Parent shall publish, in a
  manner that satisfies the "publication" requirements under applicable SEC
  rules or accounting releases, financial results (including combined sales
  and net income) covering at least 30 days of post-Merger operations no
  later than 60 days following the first quarter-end that is at least 30 days
  after the Effective Time. The period commencing 30 days prior to the
  Effective Time and ending on the date of the publication of the post-Merger
  financial results is referred to herein as the "Pooling Period."
 
    (b) Prior to the Effective Time, Parent shall deliver to the Company a
  list (reasonably satisfactory to counsel to the Company) identifying those
  persons who may be, in Parent's reasonable judgment, at the time of the
  Parent Shareholder Meeting, affiliates of Parent under applicable SEC
  accounting releases with respect to pooling of interests accounting
  treatment. Parent shall provide the Company such information and documents
  as the Company shall reasonably request for purposes of reviewing such
  list. Parent shall use its reasonable best efforts to deliver or cause to
  be delivered to the Company, prior to the Effective Time, a written
  agreement in substantially the form of Exhibit 5.5(b) hereto, executed by
  each of such persons identified in the foregoing list.
 
 
                                      28
<PAGE>
 
    (c) At the Effective Time, Parent and the persons listed on Schedule
  5.5(c) shall have executed and delivered a Registration Rights Agreement in
  the form attached as Exhibit 5.5(c).
 
  5.6 STOCK EXCHANGE LISTINGS. Parent shall obtain approval for the listing of
the shares of Parent Common Stock to be issued in connection with the Merger.
 
  5.7 FEES AND EXPENSES. Except as provided in this Section 5.7, whether or
not the Merger is consummated, all costs and expenses incurred in connection
with this Agreement and the transactions contemplated hereby including,
without limitation, the fees and disbursements of counsel, financial advisors
and accountants, shall be paid by the party incurring such costs and expenses,
provided that all printing expenses and filing fees shall be divided equally
between Parent and the Company.
 
  5.8 COMPANY OPTIONS; STOCK PURCHASE PLAN.
 
    (a) At the Effective Time, by virtue of the Merger and without any
  further action on the part of the Company or the holder thereof, each
  "Company Option" will be assumed or substituted by Parent in such manner
  that Parent (i) is a corporation "issuing or assuming a stock option in a
  transaction to which Section 424(a) applies" within the meaning of Section
  424(a) of the Code or (ii) Parent, to the extent that Section 424 of the
  Code does not apply to any such Company Options, would be such a
  corporation were Section 424 of the Code applicable to such Company
  Options. At the Effective Time, by virtue of the Merger and without any
  further action on the part of the Company, the Parent or the holder of any
  Company Option, each Company Option will be automatically converted into a
  Parent Option to purchase a number of shares of Parent Common Stock equal
  to the number of shares of Company Common Stock that could have been
  purchased (assuming full vesting) under such Company Option multiplied by
  the Conversion Number (rounded to the nearest whole number of shares of
  Parent Common Stock) at a price per share of Parent Common Stock equal to
  the per share option exercise price specified in the Company Option divided
  by the Conversion Number (rounded to the nearest whole cent). Each such
  Parent Option shall contain terms and provisions which are substantially
  similar to those terms, conditions and provisions contained in the original
  Company Option, except that references to the Company in such Company
  Option will be deemed to refer to Parent and the date of grant of the
  Parent Option for purposes of interpretation for terms, conditions and
  provisions in the new Parent Option shall be deemed to be the date of grant
  of such Company Option. For Federal income tax purposes, the date of grant
  of the substituted Parent Option shall be the date on which the
  corresponding Company Option was granted. At the Effective Time, for
  purposes of interpretation of such new Parent Options, (i) all references
  in any stock option plan of the Company shall be deemed to refer to Parent;
  (ii) any stock option plan of the Company which governs a Company Option
  shall continue to govern the Parent Option substituted therefor; and (iii)
  Parent shall, as soon as practicable after the Effective Time, issue to
  each holder of an outstanding Company Option a document evidencing the
  foregoing issued and substituted Parent Option by Parent. At the Effective
  Time, by virtue of the Merger and without any further action on the part of
  the Company, each Company Option shall become fully vested pursuant to the
  terms and provisions of the agreement pertaining to such option and the
  plan (as amended and restated, if applicable) under which such option was
  granted. It is the intention of the parties: (1) that, subject to
  applicable law, the Company Options assumed by Parent qualify, following
  the Effective Time, as incentive stock options, as defined in Section 422
  of the Code, to the extent that the Company Options qualified as incentive
  stock options prior to the Effective Time, (2) that each holder of a
  Company Option shall receive a new Parent Option which preserves (but does
  not increase) the excess of the fair market value of the shares subject to
  the option immediately before the Effective Time over the aggregate option
  price of such shares immediately before the Effective Time, (3) that the
  terms, conditions, restrictions and provisions of the Parent Option be
  identical to the terms, conditions, restrictions and provisions of the
  Company Option for which it was substituted assuming that the Parent had
  originally issued such Company Option for Parent Common Stock, and (4) any
  terms, conditions, restrictions or provisions of an option applicable to a
  number of shares rather than a percentage or fraction of shares should be
  appropriately adjusted based upon the Conversion Number. No options shall
  be issued by Company on or after the Effective Time under any stock option
  plan currently maintained by the Company.
 
                                      29
<PAGE>
 
    (b) With respect to each Company Option converted into a Parent Option
  pursuant to Section 5.8(a), and with respect to the shares of Parent Common
  Stock underlying such option, Parent shall file and keep current all
  requisite registration statements, on Form S-8 or other appropriate form,
  for as long as such options remain outstanding, which registration
  statement shall include a prospectus meeting the requirements of General
  Instruction C to Form S-8 with respect to affiliates of the Company,
  subject at all times to compliance with all applicable federal and state
  securities laws.
 
    (c) Except as provided in Section 4.1(b)(ix), the Company agrees that it
  will not grant any restricted stock, stock appreciation rights or limited
  stock appreciation rights and also agrees that it will not permit cash
  payments to holders of Company Options in lieu of the substitution therefor
  of Parent Options, as described in this Section 5.8.
 
  5.9 REASONABLE BEST EFFORTS; POOLING OF INTERESTS.
 
    (a) Upon the terms and subject to the conditions set forth in this
  Agreement, each of the parties agrees to use reasonable best 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, but not limited to: (i) the
  obtaining of all necessary actions or non-actions, waivers, consents and
  approvals from all Governmental Entities and the making of all necessary
  registrations and filings (including filings with Governmental Entities)
  and the taking of all reasonable steps as may be necessary to obtain an
  approval or waiver from, or to avoid an action or proceeding by, any
  Governmental Entity (including those in connection with the HSR Act and
  State Takeover Approvals), (ii) the obtaining of all necessary consents,
  approvals or waivers from third parties, (iii) the defending of any
  lawsuits or other legal 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 (iv) the execution and delivery of any additional
  instruments necessary to consummate the transactions contemplated by this
  Agreement. No party to this Agreement shall consent to any voluntary delay
  of the consummation of the Merger at the behest of any Governmental Entity
  without the consent of the other parties to this Agreement, which consent
  shall not be unreasonably withheld.
 
    (b) Each of Parent and the Company agrees to take, together with their
  respective accountants, all actions reasonably necessary in order to obtain
  a favorable determination (if required) from the SEC that the Merger may be
  accounted for as a pooling of interests in accordance with generally
  accepted accounting principles.
 
    (c) Each party shall use all reasonable best efforts to not take any
  action, or enter into any transaction, which would cause any of its
  representations or warranties contained in this Agreement to be untrue or
  result in a breach of any covenant or agreement made by it in this
  Agreement.
 
    (d) Notwithstanding anything to the contrary contained in this Agreement,
  in connection with any filing or submission required or action to be taken
  by either Parent or the Company to effect the Merger and to consummate the
  other transactions contemplated hereby, the Company shall not, without
  Parent's prior written consent, commit to any divestiture transaction, and
  neither Parent nor any of its Affiliates shall be required to divest or
  hold separate or otherwise take or commit to take any action that limits
  its freedom of action with respect to, or its ability to retain, the
  Company or any of the material businesses, product lines or assets of
  Parent or any of its Affiliates or that otherwise would have a Material
  Adverse Effect on Parent.
 
  5.10 PUBLIC ANNOUNCEMENTS. Parent and the Company will not issue any press
release with respect to the transactions contemplated by this Agreement or
otherwise issue any written public statements with respect to such
transactions other than upon mutual agreement and cooperation with the other
party, except as may be required by applicable law or by obligations pursuant
to any listing agreement with any national securities exchange. Parent and the
Company also agree to reasonably cooperate regarding any written
communications
 
                                      30
<PAGE>
 
which relate to the transactions contemplated by this Agreement made to their
employees during the period from the date hereof until the Effective Time.
 
  5.11 STATE TAKEOVER LAWS. If any "fair price," "business combination",
"control share acquisition", or "greenmail" statute or other similar statute
or regulation shall become applicable to the transactions contemplated hereby,
Parent and the Company and their respective Boards of Directors shall use
their reasonable best efforts to obtain or grant such approvals and take such
actions as are necessary so that the transactions contemplated hereby may be
consummated as promptly as practicable on the terms contemplated hereby and
otherwise act to minimize the effects of any such statute or regulation on the
transactions contemplated hereby.
 
  5.12 NOTIFICATION OF CERTAIN MATTERS. Parent shall use its reasonable best
efforts to give prompt notice to the Company, and the Company shall use its
reasonable best efforts to give prompt notice to Parent, of: (i) the
occurrence, or non-occurrence, of any event the occurrence, or non-occurrence,
of which it is aware and which would be reasonably likely to cause (x) any
representation or warranty contained in this Agreement to be untrue or
inaccurate in any material respect or (y) any covenant, condition or agreement
contained in this Agreement not to be complied with or satisfied in all
material respects, (ii) any failure of Parent or the Company, as the case may
be, to comply in a timely manner with or satisfy any covenant, condition or
agreement to be complied with or satisfied by it hereunder or (iii) any change
or event which would be reasonably likely to have a Material Adverse Effect on
Parent or the Company, as the case may be; provided, however, that the
delivery of any notice pursuant to this Section 5.12 shall not limit or
otherwise affect the remedies available hereunder to the party receiving such
notice.
 
  5.13 RESIGNATION OF DIRECTORS. The Company shall cause each director of the
Company to resign as a director of the Company immediately after the Effective
Time. Immediately thereafter, the Board of Directors of the Company shall be
comprised of the individuals identified on Schedule 1.4.
 
  5.14 BOARD OF DIRECTORS OF PARENT. Effective at the Effective Time, the
Board of Directors of Parent shall consist of eleven (11) directors (the
"Directors"), that five (5) of such Directors shall have been duly appointed
by Parent, five (5) of such Directors shall have been duly appointed by the
Company, and one (1) Director shall have been nominated by Parent and approved
by the Company (and such Director shall not be employed by either Parent, the
Company, nor any Subsidiary or Affiliate thereof). Effective at the Effective
Time, the Parent's Board of Directors, and the Compensation Committee of the
Board of Directors, shall consist of the individuals identified on Schedule
5.14 attached hereto, and each of Richardson M. Roberts and Gregory S. Daily
shall serve, together with James M. Bahin, as a Vice Chairman of Parent.
 
  5.15 INDEMNIFICATION; DIRECTORS AND OFFICERS INSURANCE. For six years from
and after the Effective Time, Parent agrees not to, and agrees to cause the
Surviving Corporation not to, alter the provisions of the Company's Amended
and Restated Charter and Bylaws relating to indemnification of officers and
directors of the Company and its Subsidiaries for acts or omissions occurring
at or prior to the Effective Time. Parent shall cause the Surviving
Corporation to provide, for a period of six years from the Effective Time, the
Company's current directors and officers an insurance and indemnification
policy that provides coverage for events occurring prior to the Effective Time
(the "D&O Insurance") that is no less favorable than the Company's existing
policy or, if substantially equivalent insurance coverage is unavailable, the
best available coverage; provided, however, that the Surviving Corporation
shall not be required to pay an annual premium for the D&O Insurance in excess
of 300 percent of the last annual premiums paid prior to the date hereof
(which premiums the Company represents and warrants to be approximately
$85,000), but in such case shall purchase as much coverage as possible for
such amount.
 
 
                                      31
<PAGE>
 
                                  ARTICLE VI
 
                      CONDITIONS PRECEDENT TO THE MERGER
 
  6.1 CONDITIONS TO EACH PARTY'S OBLIGATION TO EFFECT THE MERGER. The
respective obligations of each party to effect the Merger shall be subject to
the fulfillment at or prior to the Effective Time of the following conditions:
 
    (a) Shareholder Approval. This Agreement and the transactions
  contemplated hereby shall have been duly approved by the requisite vote of
  shareholders of the Company in accordance with applicable law, and the
  Amended and Restated Charter and Bylaws of the Company, and the Share
  Issuance, this Agreement, and the transactions contemplated hereby
  (including, if applicable, any Conversion Number Adjustment pursuant to
  Section 7.1(g)) shall have been approved by the requisite vote of the
  shareholders of Parent in accordance with applicable rules of the NYSE,
  applicable law and the Articles of Incorporation and Bylaws of Parent.
 
    (b) Stock Exchange Listings. The Parent Common Stock issuable in the
  Merger shall have been approved for listing on the NYSE, subject to notice
  of issuance.
 
    (c) HSR and Other Approvals.
 
      (i) The waiting period (and any extension thereof) applicable to the
    consummation of the Merger under the HSR Act shall have expired or been
    terminated.
 
      (ii) All authorizations, consents, orders, declarations or approvals
    of, or filings with, or terminations or expirations of waiting periods
    imposed by, any Governmental Entity, which the failure to obtain, make
    or occur would have the effect of making the Merger or any of the
    transactions contemplated hereby illegal or would have a Material
    Adverse Effect on Parent (assuming the Merger had taken place), shall
    have been obtained, shall have been made or shall have occurred.
 
    (d) Registration Statement. The Registration Statement shall have become
  effective in accordance with the provisions of the Securities Act. No stop
  order suspending the effectiveness of the Registration Statement shall have
  been issued by the SEC and no proceedings for that purpose, and no action
  to limit, stop or prohibit the mailing of the Joint Proxy Statement to
  shareholders, shall have been initiated or, to the Knowledge of Parent or
  the Company, threatened by the SEC. All necessary state securities or blue
  sky authorizations (including State Takeover Approvals) shall have been
  received.
 
    (e) No Order. No court or other Governmental Entity having jurisdiction
  over the Company or Parent, or any of their respective Subsidiaries, shall
  have enacted, issued, promulgated, enforced or entered any law, rule,
  regulation, executive order, decree, injunction or other order (whether
  temporary, preliminary or permanent) which is then in effect and has the
  effect of making the Merger or any of the transactions contemplated hereby
  illegal.
 
  6.2 CONDITIONS TO OBLIGATION OF THE COMPANY TO EFFECT THE MERGER. The
obligation of the Company to effect the Merger shall be subject to the
fulfillment at or prior to the Effective Time of the following additional
conditions:
 
    (a) Performance of Obligations; Representations and Warranties. Each of
  Parent and Sub shall have performed in all material respects each of its
  agreements contained in this Agreement required to be performed on or prior
  to the Effective Time, each of the representations and warranties of Parent
  and Sub contained in this Agreement that is qualified by materiality shall
  be true and correct on and as of the Effective Time as if made on and as of
  such date (other than representations and warranties which address matters
  only as of a certain date which shall be true and correct as of such
  certain date) and each of the representations and warranties that is not so
  qualified shall be true and correct in all material respects on and as of
  the Effective Time as if made on and as of such date (other than
  representations and warranties which address matters only as of a certain
  date which shall be true and correct in all material respects as of such
  certain date), in each case except as contemplated or permitted by this
  Agreement, and the Company
 
                                      32
<PAGE>
 
  shall have received a certificate signed on behalf of each of Parent and
  Sub by its Chief Executive Officer and its Chief Financial Officer to such
  effect.
 
    (b) Tax Opinion. The Company shall have received an opinion of counsel to
  the Company, in form and substance reasonably satisfactory to the Company,
  dated the Effective Time, substantially to the effect that on the basis of
  facts, representations and assumptions set forth in such opinion which are
  consistent with the state of facts existing as of the Effective Time, for
  federal income tax purposes:
 
      (i) the Merger will constitute a "reorganization" within the meaning
    of Section 368(a) of the Code, and the Company, Sub and Parent will
    each be a party to that reorganization within the meaning of Section
    368(b) of the Code;
 
      (ii) no gain or loss will be recognized by Parent, Sub or the Company
    as a result of the Merger; and
 
      (iii) except with respect to cash received in lieu of a fractional
    share interest, no gain or loss will be recognized by the shareholders
    of the Company upon the conversion of their shares of Company Common
    Stock into shares of Parent Common Stock pursuant to the Merger, except
    with respect to cash, if any, received in lieu of fractional shares of
    Parent Common Stock.
 
  In rendering such opinion, counsel to the Company shall receive and may
  rely upon such representations as reasonably requested by counsel to the
  Company from Parent, the Company, and others, including representations
  from Parent substantially similar to the representations in Section 2.9
  hereof and representations from the Company substantially similar to the
  representations in Section 3.9 hereof.
 
    (c) Pooling Opinion. The Company shall have received the opinion of Price
  Waterhouse LLP, dated as of the date on which the Registration Statement
  shall become effective and the Effective Time, to the effect that the
  Merger qualifies for pooling-of-interests accounting treatment under
  Accounting Principles Board Opinion No. 16 if consummated in accordance
  with this Agreement.
 
  6.3 CONDITIONS TO OBLIGATIONS OF PARENT AND SUB TO EFFECT THE MERGER. The
obligations of Parent and Sub to effect the Merger shall be subject to the
fulfillment at or prior to the Effective Time of the following additional
conditions:
 
    (a) Performance of Obligations; Representations and Warranties. The
  Company shall have performed in all material respects each of its
  agreements contained in this Agreement required to be performed on or prior
  to the Effective Time, each of the representations and warranties of the
  Company contained in this Agreement that is qualified by materiality shall
  be true and correct on and as of the Effective Time as if made on and as of
  such date (other than representations and warranties which address matters
  only as of a certain date which shall be true and correct as of such
  certain date) and each of the representations and warranties that is not so
  qualified shall be true and correct in all material respects on and as of
  the Effective Time as if made on and as of such date (other than
  representations and warranties which address matters only as of a certain
  date which shall be true and correct in all material respects as of such
  certain date), in each case except as contemplated or permitted by this
  Agreement, and Parent shall have received a certificate signed on behalf of
  the Company by its Chief Executive Officer and its Chief Financial Officer
  to such effect.
 
    (b) Tax Opinion. Parent shall have received an opinion of counsel to
  Parent, in form and substance reasonably satisfactory to the Company, dated
  the Effective Time, substantially to the effect that on the basis of facts,
  representations and assumptions set forth in such opinion which are
  consistent with the state of facts existing as of the Effective Time, for
  federal income tax purposes:
 
      (i) the Merger will constitute a "reorganization" within the meaning
    of Section 368(a) of the Code, and the Company, Sub and Parent will
    each be a party to that reorganization within the meaning of Section
    368(b) of the Code;
 
 
                                      33
<PAGE>
 
      (ii) no gain or loss will be recognized by Parent, Sub or the Company
    as a result of the Merger; and
 
      (iii) except with respect to cash received in lieu of a fractional
    share interest, no gain or loss will be recognized by the shareholders
    of the Company upon the conversion of their shares of Company Common
    Stock into shares of Parent Common Stock pursuant to the Merger, except
    with respect to cash, if any, received in lieu of fractional shares of
    Parent Common Stock.
 
  In rendering such opinion, counsel to Parent shall receive and may rely
  upon such representations as reasonably requested by counsel to Parent from
  Parent, the Company, and others, including representations from Parent
  substantially similar to the representations in Section 2.9 hereof and
  representations from the Company substantially similar to the
  representations in Section 3.9 hereof.
 
    (c) Pooling Opinion. Parent shall have received the opinion of Ernst &
  Young LLP, dated as of the date on which the Registration Statement shall
  become effective and the Effective Time, to the effect that the Merger
  qualifies for pooling-of-interests accounting treatment under Accounting
  Principles Board Opinion No. 16 if consummated in accordance with this
  Agreement.
 
                                  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 any approval of the matters presented
in connection with the Merger by the shareholders of the Company or Parent:
 
    (a) by mutual written consent of Parent and the Company;
 
    (b) by either Parent or the Company, if the other party shall have failed
  to comply in any material respect with any of its covenants or agreements
  contained in this Agreement required to be complied with prior to the date
  of such termination, which failure to comply has not been cured within five
  business days following receipt by such other party of written notice of
  such failure to comply; provided, however, that if any such breach is
  curable by the breaching party through the exercise of the breaching
  party's best efforts and for so long as the breaching party shall be so
  using its best efforts to cure such breach, the non-breaching party may not
  terminate this Agreement pursuant to this paragraph;
 
    (c) by either Parent or the Company, if there has been (i) a breach by
  the other party (in the case of Parent, including any material breach by
  Sub) of any representation or warranty that is not qualified as to
  materiality which has the effect of making such representation or warranty
  not true and correct in all material respects or (ii) a breach by the other
  party (in the case of Parent, including any material breach by Sub) of any
  representation or warranty that is qualified as to materiality, in each
  case which breach has not been cured within five business days following
  receipt by the breaching party of written notice of the breach; provided,
  however, that if any such breach is curable by the breaching party through
  the exercise of the breaching party's best efforts and for so long as the
  breaching party shall be so using its best efforts to cure such breach, the
  non-breaching party may not terminate this Agreement pursuant to this
  paragraph;
 
    (d) by Parent or the Company, if: (i) the Merger has not been effected on
  or prior to the close of business on November 30, 1998 (the "Termination
  Date", subject to extension as provided herein); provided, however, that
  (A) the right to terminate this Agreement pursuant to this Section 7.1(d)
  shall not be available to any party whose failure to fulfill any of its
  obligations contained in this Agreement has been the cause of, or resulted
  in, the failure of the Merger to have occurred on or prior to the aforesaid
  date; and (B) the Termination Date may be extended prior to the termination
  hereof by written notice of either Parent or the Company to the other to a
  date not later than February 28, 1999, if the Merger shall not have been
  consummated as a result of the Company or Parent having failed by November
  30, 1998 to receive all required regulatory approvals or consents with
  respect to the Merger necessary to satisfy the condition set
 
                                      34
<PAGE>
 
  forth in Section 6.1(c); or (ii) any court or other Governmental Entity
  having jurisdiction over a party hereto shall have issued an order, decree
  or ruling or taken any other action permanently enjoining, restraining or
  otherwise prohibiting the transactions contemplated by this Agreement and
  such order, decree, ruling or other action shall have become final and
  nonappealable;
 
    (e) by Parent or the Company, if the shareholders of the Company do not
  approve this Agreement and the transactions contemplated hereby at the
  Company Shareholder Meeting or any adjournment or postponement thereof;
 
    (f) by Parent or the Company, if the shareholders of Parent do not
  approve this Agreement, the transactions contemplated hereby, and the Share
  Issuance at the Parent Shareholder Meeting or any adjournment or
  postponement thereof;
 
    (g) by the Company, if the product of the Conversion Number and the
  average closing price of Parent for the ten trading-day period immediately
  preceding the day which is two (2) business days before the Closing Date
  would result in each shareholder of the Company receiving consideration
  with a value of less than $15.00 per share of the Company Common Stock held
  by such shareholder as so measured; provided; however, that before the
  Company may terminate this Agreement pursuant to this Section 7.1(g), the
  Company shall provide written notice of such intent at least one (1)
  business day prior to the Closing Date. After receipt of such notice,
  Parent shall have until the Closing Date to notify the Company of its
  election to submit to its shareholders for approval a "Conversion Number
  Adjustment" (as defined in this Section 7.1(g)). So long as Parent secures
  and delivers to the Company "Revised Shareholder Agreements" (as defined
  herein), the Company shall not have the right to terminate this Agreement
  pursuant to this Section 7.1(g) pending the approval of Parent's
  shareholders of the Conversion Number Adjustment. For purposes of this
  Section 7.1(g), "Conversion Number Adjustment" shall mean the appropriate
  adjustment of the Conversion Number to provide that each shareholder of the
  Company shall receive consideration at Closing with a value equal to $15.00
  per share of Company Common Stock held by such shareholder; "Revised
  Shareholder Agreements" shall mean those Shareholder Agreements executed by
  the Company and certain shareholders of Parent of even date herewith, as
  amended to provide that each such shareholder shall vote in favor of this
  Agreement, the Merger, the Share Issuance, the Parent Amendments, and the
  other transactions hereby contemplated, notwithstanding the adjustment of
  the Conversion Number pursuant to this Section 7.1(g). Notwithstanding
  anything to the contrary in this Section 7.1(g), the Conversion Number
  Adjustment mechanism described herein may be invoked only once.
 
    (h) by Parent, if: (i) the Board of Directors of the Company shall not
  have made the Company Recommendation, or shall have resolved not to make
  the Company Recommendation, or shall have made an Adverse Change in
  Recommendation, or shall have resolved to do so; (ii) the Board of
  Directors of the Company shall have recommended to the shareholders of the
  Company any Company Takeover Proposal, or shall have resolved to do so; or
  (iii) a tender offer or exchange offer for 20% or more of the outstanding
  shares of capital stock of the Company is commenced, and the Board of
  Directors of the Company fails to recommend against acceptance of such
  tender offer or exchange offer by its shareholders (including by taking no
  position with respect to the acceptance of such tender offer or exchange
  offer by its shareholders);
 
    (i) by the Company, if: (i) the Board of Directors of Parent shall not
  have made the Parent Recommendation, or shall have resolved not to make the
  Parent Recommendation, or shall have made an Adverse Change in
  Recommendation, or shall have resolved to do so; or (ii) the Board of
  Directors of Parent shall have recommended to the shareholders of Parent
  any Parent Takeover Proposal, or shall have resolved to do so; or (iii) a
  tender offer or exchange offer for 20% or more of the outstanding shares of
  capital stock of the Company is commenced, and the Board of Directors of
  Parent fails to recommend against acceptance of such tender offer or
  exchange offer by its shareholders (including by taking no position with
  respect to the acceptance of such tender offer or exchange offer by its
  shareholders);
 
                                      35
<PAGE>
 
  The right of any party hereto to terminate this Agreement pursuant to this
Section 7.1 shall remain operative and in full force and effect regardless of
any investigation made by or on behalf of any party hereto, any person
controlling any such party or any of their respective officers or directors,
whether prior to or after the execution of this Agreement.
 
  7.2 EFFECT OF TERMINATION. In the event of termination of this Agreement by
either Parent or the Company, as provided in Section 7.1, this Agreement shall
forthwith become void and there shall be no liability hereunder on the part of
the Company, Parent, Sub or their respective officers or directors (except for
the last sentence of Section 5.4 and the entirety of Section 5.7 and Article
VIII, which shall survive the termination); provided, however, that nothing
contained in this Section 7.2 shall relieve any party hereto from any
liability for any willful breach of a representation or warranty contained in
this Agreement or the breach of any covenant contained in this Agreement.
 
  7.3 AMENDMENT. This Agreement may be amended by the parties hereto, by or
pursuant to action taken by their respective Boards of Directors, at any time
before or after approval of the matters presented in connection with the
Merger by the shareholders of Parent and the Company, but, after any such
approval, no amendment shall be made which by law requires further approval by
such shareholders without such further approval. This Agreement may not be
amended except by an instrument in writing signed on behalf of each of the
parties hereto.
 
  7.4 WAIVER. At any time prior to the Effective Time, the parties hereto may
(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 contained herein or in any document delivered
pursuant hereto and (iii) waive compliance with any of the agreements or
conditions contained herein which may legally be waived. 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.
 
                                 ARTICLE VIII
 
                              GENERAL PROVISIONS
 
  8.1 NON-SURVIVAL OF REPRESENTATIONS, WARRANTIES AND AGREEMENTS. The
representations, warranties and agreements in this Agreement or in any
Schedule, Exhibit or instrument delivered pursuant to this Agreement shall
terminate at the Effective Time or upon the termination of this Agreement
pursuant to Section 7.1, as the case may be, except that the agreements set
forth in Article I, Section 4.4, Section 5.14, Section 5.15 and this Article
VIII shall survive the Effective Time, and those set forth in the last
sentence of Section 5.4, Sections 5.7 and 7.2 and this Article VIII shall
survive termination.
 
  8.2 NOTICES. All notices and other communications hereunder shall be in
writing and shall be deemed given when delivered personally, one day after
being delivered to an overnight courier or when telecopied (with a
confirmatory copy sent by overnight courier) to the parties at the following
addresses (or at such other address for a party as shall be specified by like
notice):
 
    (a) if to Parent or Sub, to
 
        NOVA Corporation
        One Concourse Parkway, Suite 300
        Atlanta, Georgia 30328
        Attention: Edward Grzedzinski
                   Chief Executive Officer
        Facsimile No.: (770) 698-1013
 
                                      36
<PAGE>
 
          with copies to:
 
          Long Aldridge & Norman LLP
          One Peachtree Center,
          Suite 5300 303
          Peachtree Street
          Atlanta, Georgia 30308
          Attention: David M. Ivey, Esq.
          Facsimile No.: (404) 527-4198
 
      (b) if to the Company, to
 
          PMT Services, Inc.
          3841 Green Hills Village Drive
          Nashville, Tennessee 37215
          Attention: Richardson M. Roberts
                     Chief Executive Officer
          Facsimile No.: (615) 254-1501
 
          with copies to:
 
          Waller Lansden Dortch & Davis,
            a Professional Limited Liability Company
          511 Union Street, Suite 2100
          Nashville, Tennessee 37219
          Attention: J. Chase Cole, Esq.
          Facsimile No.: (615) 244-6804
 
  8.3 INTERPRETATION. When a reference is made in this Agreement to a Section,
such reference shall be to a Section of this Agreement unless otherwise
indicated. 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. Whenever the words "include," "includes" or
"including" are used in this Agreement, they shall be deemed to be followed by
the words "without limitation."
 
  8.4 COUNTERPARTS. This Agreement may be executed in 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 parties.
 
  8.5 ENTIRE AGREEMENT; NO THIRD-PARTY BENEFICIARIES. This Agreement, except
as provided in the last sentence of Section 5.4, constitutes the entire
agreement and supersedes all prior agreements and understandings, both written
and oral, among the parties with respect to the subject matter hereof. This
Agreement, is not intended to confer upon any person other than the parties
hereto any rights or remedies hereunder.
 
  8.6 GOVERNING LAW. This Agreement shall be governed by, and construed in
accordance with, the laws of the State of Tennessee, regardless of the laws
that might otherwise govern under applicable principles of conflicts of laws
thereof. Each of the parties hereto irrevocably waives its right to a trial by
jury in any action, proceeding or counterclaim arising out of or relating to
this Agreement or the actions of Parent, the Company, or Sub in the
negotiation, administration, performance and enforcement thereof.
 
  8.7 ASSIGNMENT. Neither this Agreement nor any of the rights, interests or
obligations hereunder shall be assigned by any of the parties hereto (whether
by operation of law or otherwise) without the prior written consent of the
other parties.
 
  8.8 SEVERABILITY. If any term or other provision of this Agreement is
invalid, illegal or incapable of being enforced by any rule of law, or public
policy, all other conditions and provisions of this Agreement shall
nevertheless remain in full force and effect so long as the economic and legal
substance of the transactions
 
                                      37
<PAGE>
 
contemplated hereby are not affected in any manner materially adverse to any
party. Upon such determination that any term or other provision is invalid,
illegal or incapable of being enforced, the parties shall negotiate in good
faith to modify this Agreement so as to effect the original intent of the
parties as closely as possible in a mutually acceptable manner in order that
the transactions contemplated by this Agreement may be consummated as
originally contemplated to the fullest extent possible.
 
  8.9 ENFORCEMENT OF THIS AGREEMENT. The parties hereto agree that irreparable
damage would occur in the event that any of the provisions of this 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 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, such remedy being in addition to any other
remedy to which any party is entitled at law or in equity.
 
  IN WITNESS WHEREOF, Parent, Sub and the Company have caused this Agreement
and Plan of Merger to be signed by their respective officers thereunto duly
authorized all as of the date first written above.
 
                                          "PARENT:"
 
                                          NOVA CORPORATION
 
                                          By: _________________________________
                                                   Edward Grzedzinski
                                                 Chief Executive Officer
 
                                          "SUB:"
 
                                          CHURCH MERGER CORP.
 
                                          By: _________________________________
                                                   Edward Grzedzinski
                                                 Chief Executive Officer
 
                                          "COMPANY:"
 
                                          PMT SERVICES, INC.
 
                                          By: _________________________________
                                                  Richardson M. Roberts
                                                 Chief Executive Officer
 
                                      38
<PAGE>
 
                                                                    EXHIBIT 5.3
 
  Similarly Situated Employees. The parties hereto agree it is their intent
that, from and after the Closing and subject to applicable law, the employees
of the Surviving Corporation and the employees of Parent, to the extent such
employees are similarly situated, shall have substantially equivalent benefits
(the "Similarly Situated Intent"), subject to the following understanding: (1)
immediately after the Closing, the Surviving Corporation (which will, as a
result of the Merger, become a wholly-owned subsidiary of Parent) and Parent
shall continue to maintain their separate respective plans (including employee
benefit plans), programs and arrangements for their respective employees
pursuant to the transactions contemplated by this Agreement, and (2) in
furtherance of the Similarly Situated Intent, the Surviving Corporation and
Parent may, from and after the Closing, take such steps as are reasonable and
appropriate to carry out the Similarly Situated Intent by having their
employees participate in unified plans (whether by plan mergers, adoption of
plans by a company, and/or modification of the eligibility provisions of
existing plans), by modifying existing separate plans so that they thereafter
provide substantially equivalent benefits, and/or by taking other measures
consistent with the Similarly Situated Intent, as the then current management
of the Surviving Corporation and Parent shall determine in their discretion.
The provisions hereof are not intended to confer upon any person other than
the parties hereto any rights or remedies hereunder.
 
                                      39

<PAGE>
                                                                    EXHIBIT 99.3

                             SHAREHOLDER AGREEMENT

     AGREEMENT dated as of June ___, 1998, between NOVA Corporation, a Georgia
corporation ("NOVA") and Richardson M. Roberts (the "Shareholder").

                             W I T N E S S E T H:
                             - - - - - - - - - - 

     WHEREAS, immediately prior to the execution of this Agreement, NOVA, PMT
Services, Inc., a Tennessee corporation (the "Company"), and Church Merger
Corp., a Tennessee corporation ("Merger Subsidiary"), have entered into an
Agreement and Plan of Merger (as such agreement may hereafter be amended from
time to time, the "Merger Agreement"), pursuant to which Merger Subsidiary will
be merged with and into the Company (the "Merger"); and

     WHEREAS, as an inducement and a condition to entering into the Merger
Agreement, NOVA has requested that the Shareholder agree, and the Shareholder
has agreed, to enter into this Agreement;

     NOW, THEREFORE, in consideration of the foregoing and the mutual promises,
representations, warranties, covenants and agreements contained herein, the
parties hereto, intending to be legally bound hereby, agree as follows:

     SECTION 1.  Certain Definitions.  Capitalized terms used and not defined
herein have the respective meanings ascribed to them in the Merger Agreement.
For purposes of this Agreement:

        (a) "Beneficially Own" or "Beneficial Ownership" with respect to any
     securities shall mean having "beneficial ownership" of such securities (as
     determined pursuant to Rule 13d-3 under the Securities Exchange Act of
     1934, as amended (the "Exchange Act")), including pursuant to any
     agreement, arrangement or understanding, whether or not in writing, but
     shall  in no event include securities held in a fiduciary or custodial
     capacity.  Without duplicative counting of the same securities by the same
     holder, securities Beneficially Owned by a Person shall include securities
     Beneficially Owned by all other Persons with whom such Person would
     constitute a "group" within the meaning of Section 13(d) of the Exchange
     Act with respect to securities of the same issuer.

        (b) "Company Common Stock" shall mean at any time the common stock, $.01
     par value, of the Company.

        (c) "Existing Shares" shall mean the shares of Company Common Stock
     Beneficially Owned by the Shareholder on the date hereof.

        (d) "Shares" shall mean the Existing Shares and any shares of Company
     Common Stock and/or other equity securities of the Company acquired by the
     Shareholder in any capacity after the date hereof and prior to the
     termination of this Agreement, whether upon the exercise of options,
     warrants or rights, the conversion or exchange of convertible or
     exchangeable securities, or by means of purchase, dividend, distribution,
     split-up, recapitalization, combination, exchange of shares or the like,
     gift, bequest, inheritance or as a successor in interest in any capacity or
     otherwise Beneficially Owned by the Shareholder.

     SECTION 2.  Voting of Company Common Stock. In the event that the Board of
Directors of the Company has approved the Merger Agreement and the transactions
contemplated thereby and has recommended (and has not made an Adverse Change in
Recommendation) that the shareholders of the Company approve the Merger
Agreement, the Shareholder hereby agrees that at any meeting (whether 
<PAGE>
 
annual or special and whether or not an adjourned or postponed meeting) of the
holders of Company Common Stock, however called, or in connection with any
written consent of the holders of Company Common Stock, the Shareholder will
appear at the meeting or otherwise cause the Shares then held of record or
Beneficially Owned by the Shareholder to be counted as present thereat for
purposes of establishing a quorum and the Shareholder shall vote or consent (or
cause to be voted or consented) the Shares then held of record or Beneficially
Owned by the Shareholder in favor of the Merger, the execution and delivery by
the Company of the Merger Agreement and the approval and adoption of the terms
thereof, and each of the other actions contemplated by the Merger Agreement and
any actions required in furtherance thereof, unless, following the date hereof
(any of the following constituting a "Specified Transaction Exception"): (i) the
Shareholder has voted for the approval of another transaction that will result
or has resulted in a "Specified Transaction" (as defined below), (ii) any person
(as such term is used in Section 13(d) and 14(d) of the Securities Exchange Act)
shall have made a bona fide unsolicited proposal to the Company or the
Shareholder by public announcement or written communication, that is or becomes
the subject of public disclosure, of a transaction that would result in a
Specified Transaction (the "Proposal"), and such Proposal has not been publicly
withdrawn prior to the vote of shareholders of the Company relating to the
Merger, or (iii) the Merger Agreement is otherwise amended in a manner which, in
Shareholder's reasonable judgment exercised in good faith, is materially adverse
to Shareholder's interests; provided, however, that in the case of either clause
"(i)" or "(ii)" that the Company shall not be in breach or violation of (aa)
Section 4.2 of the Merger Agreement, or (bb) Section 3.7(A) of the Merger
Agreement (but only to the extent that such breach or violation of Section
3.7(A) results from or arises out of an agreement existing at the date of
signing of the Merger Agreement and relating to or in contemplation of the
transaction triggering the Specified Transaction Exception hereunder).

     For the purposes of this Agreement, a "Specified Transaction" means (i) a
merger, reorganization, consolidation, share exchange, business combination,
recapitalization, liquidation, dissolution or similar transaction involving the
Company as a result of which either (A) the Company's stockholders prior to such
transaction (by virtue of their ownership of the Company's shares) in the
aggregate cease to own at least 50% of the voting securities of the entity
surviving or resulting from such transaction (or the ultimate parent entity
thereof), or (B) the individuals comprising the board of directors of the
Company prior to such transaction do not constitute a majority of the board of
directors of such ultimate parent entity, (ii) a sale, lease, exchange, transfer
or other disposition of at least 50% of the assets of the Company and its
Subsidiaries, taken as a whole, in a single transaction or a series of related
transactions, or (iii) the acquisition, directly or indirectly, by a person of
beneficial ownership of 50% or more of the common stock of the Company whether
by merger, consolidation, share exchange, business combination, tender or
exchange offer or otherwise; provided that the Merger shall not be deemed a
Specified Transaction.

     SECTION 3.  Termination.  The provisions of this Agreement shall terminate
upon the earlier to occur of (i) the Effective Time, and (ii) the termination of
the Merger Agreement in accordance with its terms.

     SECTION 4.  Confidentiality.  The Shareholder recognizes that successful
consummation of the transactions contemplated by this Agreement may be dependent
upon confidentiality with respect to the matters referred to herein.  In this
connection, pending public disclosure thereof, the Shareholder hereby agrees,
not to disclose or discuss such matters with anyone not a party to this
Agreement (other than to the Company and its and the Company's counsel and
advisors) without the prior written consent of NOVA and the Company, except for
filings required pursuant to the Exchange Act and the rules and regulations
thereunder or disclosures its counsel advises are necessary in order to fulfill
its obligations imposed by law, in which event the Shareholder shall give prior
notice of such disclosure to NOVA and the Company as promptly as practicable so
as to enable NOVA and the Company to seek a protective order from a court of
competent jurisdiction with respect thereto.

                                       2
<PAGE>
 
     SECTION 5.  Disclosure.  The Shareholder hereby agrees to permit the
Company to publish and disclose in NOVA's Form S-4 Registration Statement and
the Joint Proxy Statement included therein relating to the Merger (including all
documents, exhibits and schedules filed with the SEC), and any press release or
other disclosure document which NOVA's and the Company's counsel advises are
necessary or desirable in connection with the Merger and any transactions
related thereto, the Shareholder's identity and ownership of Company Common
Stock, and the nature of its commitments, arrangements and understandings under
this Agreement.

     SECTION 6.  Miscellaneous.

        (a) Entire Agreement.  This Agreement constitutes the entire agreement
            ----------------                                                  
     between the parties with respect to the subject matter hereof and thereof
     and supersedes all other prior agreements and understandings, both written
     and oral, between the parties with respect to the subject matter hereof and
     thereof.

        (b) Binding Agreement.  The Shareholder agrees that this Agreement and
            -----------------                                                 
     the obligations hereunder shall be binding on Shareholder and upon any
     affiliate of Shareholder to which legal or Beneficial Ownership of such
     Shares shall pass, whether by operation of law, for value or otherwise.
     Notwithstanding any such transfer of Shares to an affiliate of Shareholder,
     the transferor shall remain liable for the performance of all obligations
     under this Agreement of the transferor.

        (c) Assignment.  No party may assign any of its rights or obligations
            ----------                                                       
     hereunder, by operation of law or otherwise, without the prior written
     consent of the other parties.

        (d) Amendments, Waivers, Etc.  This Agreement may not be amended,
            ------------------------                                     
     changed, supplemented, waived or otherwise modified or terminated, except
     upon the execution and delivery of a written agreement executed by the
     parties hereto.

        (e) Notices.  All notices, requests, claims, demands and other
            -------                                                   
     communications hereunder shall be in writing and shall be given (and shall
     be deemed to have been duly received if given) by hand delivery or telecopy
     (with a confirmation copy sent for next day delivery via courier services,
     such as Federal Express), or by any courier service, such as Federal
     Express, providing proof of delivery. All communications hereunder shall be
     delivered to the respective parties at the following addresses:

        If to Shareholder:  Richardson M. Roberts
                            Chief Executive Officer
                            PMT Services, Inc.
                            3841 Green Hills Village Drive
                            Nashville, Tennessee 37215
                            Telephone: (615) 743-3800
                            Facsimile: (615) 254-1501
 
        If to NOVA:         NOVA Corporation
                            One Concourse Parkway, Suite 300
                            Atlanta, Georgia 30328
                            Attention: Edward Grzedzinski

                                       3
<PAGE>
 
                                           Chief Executive Officer
                               Telephone:  (770) 396-1456
                               Facsimile:  (770) 698-1013
 
        with a copy to:        Long Aldridge & Norman LLP
                               One Peachtree Center, Suite 5300
        (which shall not       303 Peachtree Street, N.E.
        constitute notice)     Atlanta, Georgia 30308
                               Attention:  David M. Ivey, Esq.
                               Telephone:  (404) 527-4040
                               Facsimile:  (404) 527-4198

or to such other address as the Person to whom notice is given may have
previously furnished to the others in writing in the manner set forth above.

        (f) Severability.  Whenever possible, each provision or portion of any
            ------------                                                      
     provision of this Agreement will be interpreted in such manner as to be
     effective and valid under applicable law but if any provision or portion of
     any provision of this Agreement is held to be invalid, illegal or
     unenforceable in any respect under any applicable law or rule in any
     jurisdiction, such invalidity, illegality or unenforceability will not
     affect any other provision or portion of any provision in such jurisdiction
     as if such invalid, illegal or unenforceable provision or portion of any
     provision had not been contained herein.

        (g) Specific Performance.  Each of the parties hereto recognizes and
            --------------------                                            
     acknowledges that a breach by it of any covenants or agreements contained
     in this Agreement will cause the other party to sustain damages for which
     it would not have an adequate remedy at law for money damages, and
     therefore, each of the parties hereto agrees that in the event of any such
     breach the aggrieved party shall be entitled to the remedy of specific
     performance of such covenants and agreements and injunctive and other
     equitable relief in addition to any other remedy to which it may be
     entitled, at law or in equity.

        (h) Remedies Cumulative.  All rights, powers and remedies provided under
            -------------------                                                 
     this Agreement or otherwise available in respect hereof at law or in equity
     shall be cumulative and not alternative, and the exercise of any thereof by
     any party shall not preclude the simultaneous or later exercise of any
     other such right, power or remedy by such party.

        (i) No Waiver.  The failure of any party hereto to exercise any right,
            ---------                                                         
     power or remedy provided under this Agreement or otherwise available in
     respect thereof at law or in equity, or to insist upon compliance by any
     other party hereto with its obligations hereunder, and any custom or
     practice of the parties at variance with the terms hereof, shall not
     constitute a waiver by such party of its right to exercise any such or
     other right, power or remedy or to demand such compliance.

        (j) No Third Party Beneficiaries.  Except for Sections 4 and 5 hereof
            ----------------------------                                     
     with respect to the Company, this Agreement is not intended to be for the
     benefit of, and shall not be enforceable by, any Person who or which is not
     a party hereto.

        (k) Governing Law.  This Agreement shall be governed and construed in
            -------------                                                    
     accordance with the laws of the State of Georgia, without giving effect to
     the principles of conflicts of law thereof.

                                       4
<PAGE>
 
        (l) Further Assurances.  From time to time, at the other party's
            ------------------                                          
     reasonable request, each party hereto shall execute and deliver such
     additional documents and take all such further lawful action as may be
     necessary to consummate and make effective, in the most expeditious manner
     practicable, the transactions contemplated by this Agreement.

        (m) Descriptive Headings.  The descriptive headings used herein are
            --------------------                                           
     inserted for convenience of reference only and are not intended to be part
     of or to affect the meaning or interpretation of this Agreement.

        (n) Counterparts.  This Agreement may be executed in counterparts, each
            ------------                                                       
     of which shall be deemed to be an original, but all of which, taken
     together, shall constitute one and the same Agreement.



                      (Signatures begin on following page)

                                       5
<PAGE>
 
     IN WITNESS WHEREOF, NOVA and the Shareholder have caused this Agreement to
be duly executed as of the day and year first above written.

                                    "NOVA:"

                                    NOVA CORPORATION


                                    By:
                                       ----------------------------------
                                       Edward Grzedzinski
                                       Chief Executive Officer


                                    "Shareholder:"



                                    -------------------------------------
                                    Richardson M. Roberts

                                       6

<PAGE>
                                                                    EXHIBIT 99.4

                             SHAREHOLDER AGREEMENT

     AGREEMENT dated as of June ___, 1998, between NOVA Corporation, a Georgia
corporation ("NOVA") and Gregory S. Daily (the "Shareholder").

                              W I T N E S S E T H:
                              - - - - - - - - - - 

     WHEREAS, immediately prior to the execution of this Agreement, NOVA, PMT
Services, Inc., a Tennessee corporation (the "Company"), and Church Merger
Corp., a Tennessee corporation ("Merger Subsidiary"), have entered into an
Agreement and Plan of Merger (as such agreement may hereafter be amended from
time to time, the "Merger Agreement"), pursuant to which Merger Subsidiary will
be merged with and into the Company (the "Merger"); and

     WHEREAS, as an inducement and a condition to entering into the Merger
Agreement, NOVA has requested that the Shareholder agree, and the Shareholder
has agreed, to enter into this Agreement;

     NOW, THEREFORE, in consideration of the foregoing and the mutual promises,
representations, warranties, covenants and agreements contained herein, the
parties hereto, intending to be legally bound hereby, agree as follows:

     SECTION 1.  Certain Definitions.  Capitalized terms used and not defined
herein have the respective meanings ascribed to them in the Merger Agreement.
For purposes of this Agreement:

        (a) "Beneficially Own" or "Beneficial Ownership" with respect to any
     securities shall mean having "beneficial ownership" of such securities (as
     determined pursuant to Rule 13d-3 under the Securities Exchange Act of
     1934, as amended (the "Exchange Act")), including pursuant to any
     agreement, arrangement or understanding, whether or not in writing, but
     shall  in no event include securities held in a fiduciary or custodial
     capacity.  Without duplicative counting of the same securities by the same
     holder, securities Beneficially Owned by a Person shall include securities
     Beneficially Owned by all other Persons with whom such Person would
     constitute a "group" within the meaning of Section 13(d) of the Exchange
     Act with respect to securities of the same issuer.

        (b) "Company Common Stock" shall mean at any time the common stock, $.01
     par value, of the Company.

        (c) "Existing Shares" shall mean the shares of Company Common Stock
     Beneficially Owned by the Shareholder on the date hereof.

        (d) "Shares" shall mean the Existing Shares and any shares of Company
     Common Stock and/or other equity securities of the Company acquired by the
     Shareholder in any capacity after the date hereof and prior to the
     termination of this Agreement, whether upon the exercise of options,
     warrants or rights, the conversion or exchange of convertible or
     exchangeable securities, or by means of purchase, dividend, distribution,
     split-up, recapitalization, combination, exchange of shares or the like,
     gift, bequest, inheritance or as a successor in interest in any capacity or
     otherwise Beneficially Owned by the Shareholder.

     SECTION 2.  Voting of Company Common Stock. In the event that the Board of
Directors of the Company has approved the Merger Agreement and the transactions
contemplated thereby and has recommended (and has not made an Adverse Change in
Recommendation) that the shareholders of the Company approve the Merger
Agreement, the Shareholder hereby agrees that at any meeting (whether 
<PAGE>
 
annual or special and whether or not an adjourned or postponed meeting) of the
holders of Company Common Stock, however called, or in connection with any
written consent of the holders of Company Common Stock, the Shareholder will
appear at the meeting or otherwise cause the Shares then held of record or
Beneficially Owned by the Shareholder to be counted as present thereat for
purposes of establishing a quorum and the Shareholder shall vote or consent (or
cause to be voted or consented) the Shares then held of record or Beneficially
Owned by the Shareholder in favor of the Merger, the execution and delivery by
the Company of the Merger Agreement and the approval and adoption of the terms
thereof, and each of the other actions contemplated by the Merger Agreement and
any actions required in furtherance thereof, unless, following the date hereof
(any of the following constituting a "Specified Transaction Exception"): (i) the
Shareholder has voted for the approval of another transaction that will result
or has resulted in a "Specified Transaction" (as defined below), (ii) any person
(as such term is used in Section 13(d) and 14(d) of the Securities Exchange Act)
shall have made a bona fide unsolicited proposal to the Company or the
Shareholder by public announcement or written communication, that is or becomes
the subject of public disclosure, of a transaction that would result in a
Specified Transaction (the "Proposal"), and such Proposal has not been publicly
withdrawn prior to the vote of shareholders of the Company relating to the
Merger, or (iii) the Merger Agreement is otherwise amended in a manner which, in
Shareholder's reasonable judgment exercised in good faith, is materially adverse
to Shareholder's interests; provided, however, that in the case of either clause
"(i)" or "(ii)" that the Company shall not be in breach or violation of (aa)
Section 4.2 of the Merger Agreement, or (bb) Section 3.7(A) of the Merger
Agreement (but only to the extent that such breach or violation of Section
3.7(A) results from or arises out of an agreement existing at the date of
signing of the Merger Agreement and relating to or in contemplation of the
transaction triggering the Specified Transaction Exception hereunder).

     For the purposes of this Agreement, a "Specified Transaction" means (i) a
merger, reorganization, consolidation, share exchange, business combination,
recapitalization, liquidation, dissolution or similar transaction involving the
Company as a result of which either (A) the Company's stockholders prior to such
transaction (by virtue of their ownership of the Company's shares) in the
aggregate cease to own at least 50% of the voting securities of the entity
surviving or resulting from such transaction (or the ultimate parent entity
thereof), or (B) the individuals comprising the board of directors of the
Company prior to such transaction do not constitute a majority of the board of
directors of such ultimate parent entity, (ii) a sale, lease, exchange, transfer
or other disposition of at least 50% of the assets of the Company and its
Subsidiaries, taken as a whole, in a single transaction or a series of related
transactions, or (iii) the acquisition, directly or indirectly, by a person of
beneficial ownership of 50% or more of the common stock of the Company whether
by merger, consolidation, share exchange, business combination, tender or
exchange offer or otherwise; provided that the Merger shall not be deemed a
Specified Transaction.

     SECTION 3.  Termination.  The provisions of this Agreement shall terminate
upon the earlier to occur of (i) the Effective Time, and (ii) the termination of
the Merger Agreement in accordance with its terms.

     SECTION 4.  Confidentiality.  The Shareholder recognizes that successful
consummation of the transactions contemplated by this Agreement may be dependent
upon confidentiality with respect to the matters referred to herein.  In this
connection, pending public disclosure thereof, the Shareholder hereby agrees,
not to disclose or discuss such matters with anyone not a party to this
Agreement (other than to the Company and its and the Company's counsel and
advisors) without the prior written consent of NOVA and the Company, except for
filings required pursuant to the Exchange Act and the rules and regulations
thereunder or disclosures its counsel advises are necessary in order to fulfill
its obligations imposed by law, in which event the Shareholder shall give prior
notice of such disclosure to NOVA and the Company as promptly as practicable so
as to enable NOVA and the Company to seek a protective order from a court of
competent jurisdiction with respect thereto.

                                       2
<PAGE>
 
     SECTION 5.  Disclosure.  The Shareholder hereby agrees to permit the
Company to publish and disclose in NOVA's Form S-4 Registration Statement and
the Joint Proxy Statement included therein relating to the Merger (including all
documents, exhibits and schedules filed with the SEC), and any press release or
other disclosure document which NOVA's and the Company's counsel advises are
necessary or desirable in connection with the Merger and any transactions
related thereto, the Shareholder's identity and ownership of Company Common
Stock, and the nature of its commitments, arrangements and understandings under
this Agreement.

     SECTION 6.  Miscellaneous.

        (a) Entire Agreement.  This Agreement constitutes the entire agreement
            ----------------                                                  
     between the parties with respect to the subject matter hereof and thereof
     and supersedes all other prior agreements and understandings, both written
     and oral, between the parties with respect to the subject matter hereof and
     thereof.

        (b) Binding Agreement.  The Shareholder agrees that this Agreement and
            -----------------                                                 
     the obligations hereunder shall be binding on Shareholder and upon any
     affiliate of Shareholder to which legal or Beneficial Ownership of such
     Shares shall pass, whether by operation of law, for value or otherwise.
     Notwithstanding any such transfer of Shares to an affiliate of Shareholder,
     the transferor shall remain liable for the performance of all obligations
     under this Agreement of the transferor.

        (c) Assignment.  No party may assign any of its rights or obligations
            ----------                                                       
     hereunder, by operation of law or otherwise, without the prior written
     consent of the other parties.

        (d) Amendments, Waivers, Etc.  This Agreement may not be amended,
            ------------------------                                     
     changed, supplemented, waived or otherwise modified or terminated, except
     upon the execution and delivery of a written agreement executed by the
     parties hereto.

        (e) Notices.  All notices, requests, claims, demands and other
            -------                                                   
     communications hereunder shall be in writing and shall be given (and shall
     be deemed to have been duly received if given) by hand delivery or telecopy
     (with a confirmation copy sent for next day delivery via courier services,
     such as Federal Express), or by any courier service, such as Federal
     Express, providing proof of delivery. All communications hereunder shall be
     delivered to the respective parties at the following addresses:

        If to Shareholder:  Gregory S. Daily
                            President                          
                            PMT Services, Inc.                 
                            3841 Green Hills Village Drive     
                            Nashville, Tennessee 37215         
                            Telephone: (615) 743-3800
                            Facsimile: (615) 254-1501 
 
 
If to NOVA:                 NOVA Corporation
                            One Concourse Parkway, Suite 300
                            Atlanta, Georgia 30328
                            Attention:  Edward Grzedzinski

                                       3
<PAGE>
 
                                        Chief Executive Officer
                            Telephone:  (770) 396-1456
                            Facsimile:  (770) 698-1013
 
with a copy to:             Long Aldridge & Norman LLP
                            One Peachtree Center, Suite 5300
(which shall not            303 Peachtree Street, N.E.
constitute notice)          Atlanta, Georgia 30308
                            Attention:  David M. Ivey, Esq.
                            Telephone:  (404) 527-4040
                            Facsimile:  (404) 527-4198

or to such other address as the Person to whom notice is given may have
previously furnished to the others in writing in the manner set forth above.

        (f) Severability.  Whenever possible, each provision or portion of any
            ------------                                                      
     provision of this Agreement will be interpreted in such manner as to be
     effective and valid under applicable law but if any provision or portion of
     any provision of this Agreement is held to be invalid, illegal or
     unenforceable in any respect under any applicable law or rule in any
     jurisdiction, such invalidity, illegality or unenforceability will not
     affect any other provision or portion of any provision in such jurisdiction
     as if such invalid, illegal or unenforceable provision or portion of any
     provision had not been contained herein.

        (g) Specific Performance.  Each of the parties hereto recognizes and
            --------------------                                            
     acknowledges that a breach by it of any covenants or agreements contained
     in this Agreement will cause the other party to sustain damages for which
     it would not have an adequate remedy at law for money damages, and
     therefore, each of the parties hereto agrees that in the event of any such
     breach the aggrieved party shall be entitled to the remedy of specific
     performance of such covenants and agreements and injunctive and other
     equitable relief in addition to any other remedy to which it may be
     entitled, at law or in equity.

        (h) Remedies Cumulative.  All rights, powers and remedies provided under
            -------------------                                                 
     this Agreement or otherwise available in respect hereof at law or in equity
     shall be cumulative and not alternative, and the exercise of any thereof by
     any party shall not preclude the simultaneous or later exercise of any
     other such right, power or remedy by such party.

        (i) No Waiver.  The failure of any party hereto to exercise any right,
            ---------                                                         
     power or remedy provided under this Agreement or otherwise available in
     respect thereof at law or in equity, or to insist upon compliance by any
     other party hereto with its obligations hereunder, and any custom or
     practice of the parties at variance with the terms hereof, shall not
     constitute a waiver by such party of its right to exercise any such or
     other right, power or remedy or to demand such compliance.

        (j) No Third Party Beneficiaries.  Except for Sections 4 and 5 hereof
            ----------------------------                                     
     with respect to the Company, this Agreement is not intended to be for the
     benefit of, and shall not be enforceable by, any Person who or which is not
     a party hereto.

        (k) Governing Law.  This Agreement shall be governed and construed in
            -------------                                                    
     accordance with the laws of the State of Georgia, without giving effect to
     the principles of conflicts of law thereof.

                                       4
<PAGE>
 
        (l) Further Assurances.  From time to time, at the other party's
            ------------------                                          
     reasonable request, each party hereto shall execute and deliver such
     additional documents and take all such further lawful action as may be
     necessary to consummate and make effective, in the most expeditious manner
     practicable, the transactions contemplated by this Agreement.

        (m) Descriptive Headings.  The descriptive headings used herein are
            --------------------                                           
     inserted for convenience of reference only and are not intended to be part
     of or to affect the meaning or interpretation of this Agreement.

        (n) Counterparts.  This Agreement may be executed in counterparts, each
            ------------                                                       
     of which shall be deemed to be an original, but all of which, taken
     together, shall constitute one and the same Agreement.


                      (Signatures begin on following page)

                                       5
<PAGE>
 
     IN WITNESS WHEREOF, NOVA and the Shareholder have caused this Agreement to
be duly executed as of the day and year first above written.

                                    "NOVA:"

                                    NOVA CORPORATION


                                    By:
                                       -----------------------------
                                       Edward Grzedzinski
                                       Chief Executive Officer


                                    "Shareholder:"


                                    --------------------------------
                                    Gregory S. Daily
 

                                       6


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