COMPUTER DATA SYSTEMS INC
8-K, 1997-06-27
COMPUTER INTEGRATED SYSTEMS DESIGN
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                                   UNITED STATES
                         SECURITIES AND EXCHANGE COMMISSION
                              Washington, D.C.  20549

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


                           Date of Report: June 18, 1997
                                           -------------
                         (Date of earliest event reported)


                             Computer Data Systems, Inc.                  
              (Exact name of registrant as specified in its charter)


                            Commission file number 1-6002
                                                   ------

       Maryland                                               52-0882982  
      ----------                                             ------------
(State or other jurisdiction                            (IRS Employer ID No.)
of incorporation or organization)
                                               
One Curie Court                                         
Rockville, Maryland                                            20850-4389      
- --------------------                                          ------------
(Address of principal executive offices)                       (Zip Code)


Registrant's telephone number, including area code (301) 921-7000
                                                   --------------

<PAGE>

Item 1.  N/A

Item 2.  Acquisition or Disposition of Assets
         ------------------------------------

         On June 18, 1997, Computer Data Systems, Inc. ("CDSI") completed
         the acquisition of Analytical Systems Engineering Corporation, a
         Massachusetts corporation ("ASEC").  Under the terms of the Amended
         and Restated Transaction Agreement (the "Transaction Agreement)
         (attached as an exhibit hereto), CDSI acquired all of the issued and
         outstanding capital stock of ASEC for approximately $51 million.  The
         shareholders of ASEC received ninety percent of the purchase price in
         cash and ten percent in shares of CDSI Common Stock valued for
         purposes of the Transaction Agreement at $27.50 per share.  The cash
         portion of the purchase price was borrowed under a loan administered by
         NationsBank, N.A. (a copy of the Credit Agreement is attached as an
         exhibit hereto).

         In connection with the transaction, James W. Henderson, President and
         and previously the majority owner of ASEC, was appointed to the Board
         of Directors of CDSI.  ASEC will continue its operations as a 
         wholly-owned subsidiary of CDSI.  ASEC provides engineering and
         technical services to the intelligence and defense agencies of the
         U.S. Government.

         The foregoing discussion is qualified in its entirety by reference to
         the documents attached hereto as exhibits to this Form 8-K.

Items 3- 6.  N/A

Item 7.  Financial Statements and Exhibits
         ---------------------------------

         (a) Financial statements of business acquired
             -----------------------------------------

             In accordance with Item 7(a)(4) of Form 8-K, the required
             financial statements shall be filed by amendment to this 
             Form 8-K no later than 60 days after July 3, 1997.

         (b) Pro forma financial information
             -------------------------------

             In accordance with Item 7(b)(2), the required pro forma financial
             information shall be filed by amendment to this Form 8-K no later
             than 60 days after July 3, 1997.

         (c) Exhibits
             --------

             Exhibit                Description                        
             -------                -----------

              (2)           Amended and Restated Transaction Agreement
                            dated as of June 11, 1997 by and among Computer
                            Data Systems, Inc., Analytical Systems Engineering
                            Corporation and the  shareholders of Analytical
                            Systems Engineering Corporation.

              (27)          Financial Data Schedule*

              (99.1)        Press release published June 18, 1997
   
              (99.2)        Credit Agreement dated as of June 13, 1997 by 
                            and between Computer Data Systems, Inc. and 
                            NationsBank, N.A., as administative agent

              (99.3)        Subsidiaries Guarantee dated as of June 13, 1997.
 
  
- -------------
* to be filed by amendment
                   

Items 8-9.     N/A


                                     SIGNATURE
                                     ---------

Pursuant to the requirements of the Securities Exchange Act of 1934, the 
Registrant has duly caused this report to be signed on its behalf by the 
undersigned, thereunto duly authorized, in Rockville, Maryland on 
June 27, 1997.


                                                   Computer Data Systems, Inc.

                                                   By /s/Wyatt D. Tinsley
                                                      --------------------
                                                      Wyatt D. Tinsley
                                                      Executive Vice President
                                                      (Principal Financial and 
                                                      Accounting Officer)

<PAGE>

                                 EXHIBIT INDEX
                                 -------------

                                                              Sequentially
Exhibit No.               Description                         Numbered Page
- -----------               -----------                         -------------

(2)                       Amended and Restated Transaction Agreement, 
                          dated as of June 11, 1997.

(27)                      Financial Data Schedule*

(99.1)                    Press release published June 18, 1997       

(99.2)                    Credit Agreement, dated as of June 13, 1997.

(99.3)                    Subsidiaries Guarantee, dated as of June 13, 1997.

- -------------
* to be filed by amendment


<PAGE>
                     AMENDED AND RESTATED TRANSACTION AGREEMENT

                             Dated as of June 11, 1997

                                    By and Among
 
                           COMPUTER DATA SYSTEMS, INC.,

                     ANALYTICAL SYSTEMS ENGINEERING CORPORATION

                                        and

                                 THE SHAREHOLDERS

                                        of

                     ANALYTICAL SYSTEMS ENGINEERING CORPORATION

<PAGE>

                                 TABLE OF CONTENTS
                                 -----------------
                                                                   Page
                                                                   ----
                                     ARTICLE I

                                    DEFINITIONS


Section 1.01       Definitions..................................     1


                                    ARTICLE II
                                  
                              TRANSACTIONS AND CLOSING

Section 2.01       Closing Transactions.........................     1
Section 2.02       Form and Payment of Purchase Price...........     2
Section 2.03       Closing......................................     3
Section 2.04       Escrow.......................................     3


                                   ARTICLE III

                         REPRESENTATIONS AND WARRANTIES OF
                             THE SELLING SHAREHOLDERS

Section 3.01       Representations and Warranties of the
                   Selling Shareholders........................      3


                                    ARTICLE IV
                       
                       REPRESENTATIONS AND WARRANTIES OF CDSI

Section 4.01       Representations and Warranties of CDSI......      4


                                    ARTICLE V

                      COVENANTS OF THE SELLING SHAREHOLDERS

Section 5.01       Conduct of Business of ASEC.................      4
Section 5.02       Access to Information.......................      6
Section 5.03       Resolution of Affiliated Transactions.......      6
Section 5.04       Transfer or Encumbrance of ASEC Common
                   Stock.......................................      6
Section 5.05       Non-Solicitation of Employees...............      7
Section 5.06       Key Management Employees....................      7
Section 5.07       Appointment of Selling Shareholders'
                   Representative..............................      9
Section 5.08       Exercise of Outstanding Options and 
                   Warrants....................................      9
Section 5.10       Contribution of Minority Interest in
                   Subsidiaries................................      9


                                   ARTICLE VI

                                COVENANTS OF CDSI

Section 6.01       Eligibility for CDSI Stock Option Plan......      9
Section 6.02       CDSI Board Representative...................      9


                                 ARTICLE VII

                         OTHER COVENANTS OF THE PARTIES

Section 7.01       Further Assurances..........................     10
Section 7.02       Certain Filings; Consents...................     10
Section 7.03       Public Announcements........................     10
Section 7.04       H-S-R Act...................................     11
Section 7.05       Exclusivity.................................     11
Section 7.06       CDSI Common Stock...........................     11
Section 7.07       Selling Shareholders Approval Pursuant
                   to Section 280G(b)(5).......................     12
Section 7.08       Consistent Treatment for Tax Purposes.......     13


                                ARTICLE XIII
                         
                            CONDITIONS TO CLOSING

Section 8.01       Conditioins to the Obligations of Each 
                   Party.......................................     13
Section 8.02       Conditions to Obligations of the Selling
                   Shareholders................................     13
Section 8.03       Conditions to Obligation of CDSI............     14


                                   ARTICLE IX

                           SURVIVAL; INDEMNIFICATION

Section 9.01       Survival...................................      16
Section 9.02       Indemnification............................      16
Section 9.03       Procedures.................................      17
Section 9.04       Claims Against Escrow Amount...............      19
Section 9.05       Limitations................................      19
Section 9.06       Deductible Amount..........................      20

  
                                   ARTICLE X

                                  TERMINATION

Section 10.01      Termination................................      20
Section 10.02      Effect of Termination......................      21


                                  ARTICLE XI
                      
                                 MISCELLANEOUS

Section 11.01      Notices....................................      21
Section 11.02      Amendments; Waivers........................      22
Section 11.03      Expenses...................................      23
Section 11.04      Successors and Assigns.....................      23
Section 11.05      Construction...............................      23
Section 11.06      Entire Agreement...........................      23
Section 11.07      Governing Law..............................      24
Section 11.08      Counterparts; Effectiveness................      24
Section 11.09      Jurisdiction...............................      24
Section 11.10      Captions...................................      24


                                 EXHIBITS
                                 --------

EXHIBIT A          Selling Shareholders

EXHIBIT B          Definitions

EXHIBIT C          Representations and Warranties of Selling Shareholders

EXHIBIT D          Representations and Warranties of CDSI


                             DISCLOSURE SCHEDULES
                             --------------------

Section          Schedule               Description
- -------          --------               -----------

Section C.1      Schedule C.1         Organization and Good Standing
Section C.2      Schedule C.2(a)      Capital Stock/Subsidiaries and Affiliates
Section C.3      Schedule C.3         Execution and Effect of Agreement
Section C.4      Schedule C.4         Covenants
Section C.5      Schedule C.5         Financial Statements
Section C.6      Schedule C.6         Lawsuits and Proceedings
Section C.7      Schedule C.7         Compliance with Laws
Section C.8      Schedule C.8         Licenses and Permits
Section C.10     Schedule C.10        Insurance
Section C.11     Schedule C.11(a)     Material Commercial Contracts
Section C.11     Schedule C.11(b)     Government Contracts
Section C.11     Schedule C.11(c)     Outstanding Bids
Section C.11     Schedule C.11(d)     Satisfactory and Non-delinquent Status
Section C.12     Schedule C.12(e)     Taxes
Section C.13     Schedule C.13        Banks and Deposits
Section C.14     Schedule C.14        Claims of Directors, Officers, Etc.
Section C.15     Schedule C.15        Affiliate Transactions
Section C.16     Schedule C.16        Intellectual Property
Section C.17     Schedule C.17        Extraordinary Transactions
Section C.20     Schedule C.20        Employees
Section C.21     Schedule C.21        Employment Matters
Section C.22     Schedule C.22(j)     Employee Benefit Matters
Section C.24     Schedule C.24        Real Property
Section C.25     Schedule C.25        Title to Assets
Section C.28     Schedule C.28        Arrangements with Michael B. Rukin
Section D.9      Schedule D.9         Financial Statements


                         REGISTRATION RIGHTS AGREEMENT
                         -----------------------------

Section 2        Schedule 2(d)        Piggy-back Registration Rights

 

                                 ATTACHMENTS
                                 -----------

Attachment I      Form of Registration Rights Agreement

Attachment II     Form of Standstill Agreement

Attachment III    Consents and Approvals Required Prior to Closing

Attachment IV     December Balance Sheet

Attachment V      Form of Escrow Agreement

Attachment VI     Henderson Employment Agreement

Attachment VII    Fagan Employment Agreement


<PAGE>

                                AMENDED AND RESTATED
                               TRANSACTION AGREEMENT
                               ---------------------

     This Amended and Restated Transaction Agreement (together with the
Exhibits, Schedules and Attachments hereto, this "Agreement") is made as of
the 11th day of June 1997 (and effective, unless otherwise indicated, as of
and from May 29, 1997), by and between COMPUTER DATA SYSTEMS, INC., a Maryland
corporation ("CDSI"), ANALYTICAL SYSTEMS ENGINEERING CORPORATION, a
Massachusetts corporation ("ASEC"), and the shareholders of ASEC, all of whom
are listed on Exhibit A (collectively, the "Selling Shareholders" and
individually, a "Selling Shareholder").  


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

     WHEREAS, the Selling Shareholders will own as of the Closing 100% of the
issued and outstanding capital stock of ASEC free and clear of any and all
Encumbrances; and

     WHEREAS, each of the Selling Shareholders desires to transfer, sell and
convey to CDSI all of the Selling Shareholder's capital stock of ASEC and CDSI
desires to purchase, buy and acquire all of the issued and outstanding capital
stock of ASEC, upon the terms and subject to the conditions of this Agreement.

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


                                    ARTICLE I

                                   DEFINITIONS

     Section 1.01      Definitions.  Defined terms used in this Agreement
shall have the meanings specified elsewhere in this Agreement or in Exhibit B. 



                                    ARTICLE II

                              TRANSACTIONS AND CLOSING

     Section 2.01      Closing Transactions.  Upon the terms and subject to
the conditions set forth in this Agreement, the parties agree that on the
Closing Date:  

        (a)  the Selling Shareholders will transfer or cause to be
transferred to CDSI the ASEC Common Stock; 

        (b)  CDSI will pay, in accordance with the provisions of
Section 2.02, the Purchase Price; 

        (c)  CDSI and Henderson will enter into the Registration Rights
Agreement and CDSI, Henderson and Fagan will enter into the Standstill
Agreement, substantially in the forms attached as Attachments I and II,
respectively;

        (d)  CDSI and the Selling Shareholders will enter into the Escrow
Agreement in substantially the form attached as Attachment V; 

        (e)  CDSI and Henderson will enter into an Employment Agreement
in substantially the form attached hereto as Attachment VI;  

        (f)  CDSI and Fagan will enter into an Employment Agreement in
substantially the form attached hereto as Attachment VII; and

        (g)  the Selling Shareholders will cause all the Encumbrances on
the assets of ASEC (other than the Encumbrances relating to its capital lease
obligations which are excluded from the definition of Bank Debt) and its
Subsidiaries to be released, assuming payoff of all Bank Debt out of the Gross
Purchase Price.

     Section 2.02      Form and Payment of Purchase Price.  The Purchase
Price shall be paid as follows:

        (a)  The Purchase Price may be paid fully in cash or, at the
option of CDSI, in a combination of cash and CDSI Common Stock (at an agreed
upon price of $27.50 per share) provided that the aggregate amount of the CDSI
Common Stock does not exceed 10% of the Purchase Price.  CDSI shall notify the
Selling Shareholders' Representative at least three Business Days prior to the
Closing Date of the manner in which CDSI elects to pay the Purchase Price.  

        (b)  In the event CDSI elects to pay the Purchase Price in cash
and CDSI Common Stock, CDSI will issue and deliver to those Selling
Shareholders who are to receive CDSI Common Stock (as identified on Exhibit A)
their Proportionate Share of that number of fully paid and non-assessable
shares of CDSI Common Stock having a value, at a per share price of $27.50,
equal to the Stock Portion of the Purchase Price; and 

        (c)  CDSI will pay, by wire transfer of immediately available
funds, to the account or accounts which are designated in writing at least
three Business Days prior to Closing by the Selling Shareholders'
Representative, the Cash Portion of the Purchase Price less the Escrow Amount
which is to be paid into escrow pursuant to Section 2.04.  

     Section 2.03      Closing.  The closing (the "Closing") of the
transactions contemplated by this Agreement shall take place at the offices of
Miles & Stockbridge, a Professional Corporation, 10 Light Street, Baltimore,
Maryland  21202 on June 18, 1997, provided, however, that if all of the
conditions to Closing set forth in Article VIII have not been satisfied (or
waived in writing) as of that date and if closing on that date therefore would
be impractical, the Closing shall take place on such other day as the parties
to this Agreement may agree but, subject to the provisions of
Section 10.01(c), in no event later than June 30, 1997.  The Closing will
occur at 10:00 a.m. on the Closing Date.  

     Section 2.04      Escrow.  On the Closing Date, CDSI shall pay out of
the Cash Portion of the Purchase Price to the Escrow Agent (as defined in the
Escrow Agreement) Three Million Two Hundred Thousand Dollars ($3,200,000) (the
"Escrow Amount").  The Proportionate Share of the Escrow Amount that will be
attributable to each Selling Shareholder shall equal that Selling
Shareholder's aggregate Proportionate Share interest in ASEC (rather than his
or its Proportionate Share of the Cash Portion of the Purchase Price).  


                                   ARTICLE III

                          REPRESENTATIONS AND WARRANTIES OF
                             THE SELLING SHAREHOLDER

     Section 3.01      Representations and Warranties of the Selling
Shareholders.  Except for the Fidelity Investments Charitable Gift Fund
Foundation, Inc. (the "Fund"), each of the other Selling Shareholders, jointly
and severally, represent and warrant to CDSI as set forth in Exhibit C.  The
Fund represents and warrants only as provided in Section C.2(c) of Exhibit C
with respect to its ownership of and due authorization to transfer its ASEC
Common Stock to CDSI, and as provided in Section C.3(a) of Exhibit C with
respect to the due execution and delivery of this Agreement by the Fund. 
Except as provided above, the Fund neither makes nor joins in the
representations and warranties made by the other Selling Shareholders.  


                                    ARTICLE IV

                       REPRESENTATIONS AND WARRANTIES OF CDSI

     Section 4.01      Representations and Warranties of CDSI.  CDSI
represents and warrants to the Selling Shareholders as set forth in Exhibit D. 


                                     ARTICLE V
   
                       COVENANTS OF THE SELLING SHAREHOLDERS

     Section 5.01      Conduct of Business of ASEC.  From May 29, 1997
through the date of this Agreement and until the Closing Date, 

        (a) the Selling Shareholders other than the Fund have and shall
continue to cause ASEC to:  

            (i)   maintain itself as a corporation duly incorporated
under the laws of the Commonwealth of Massachusetts and conduct its Business
in substantially the same manner as it historically has been conducted in the
usual and ordinary course;

            (ii)  use reasonable commercial efforts to maintain ASEC's
Business and employees, customers, suppliers and operations as an ongoing
business in accordance with past practices and customs, 

        (b)  without the prior written consent of CDSI, the Selling
Shareholders other than the Fund have not permitted and shall not permit ASEC
to:  

            (i)    enter into any transaction other than in the ordinary
course of business; 

            (ii)   enter into any transaction with any Affiliate or any
transaction which is not at arms-length with any unaffiliated Person; 

           (iii)   materially change the extent or character of its
Business; 

            (iv)   dissolve, liquidate (completely or partially), acquire
any capital assets, merge or consolidate into or with any other person, or
sell, lease, exchange, transfer, or otherwise dispose of, or grant to any
person a right or option to lease, acquire, or purchase any material amount of
the assets of ASEC (including any part of it or any interest in it), except as
expressly contemplated by this Agreement; 

             (v)   except in connection with Bids set forth on Schedule
C.11(c) to Exhibit C, amend, renew, extend, enter into, or execute any
material contract, agreement or other binding arrangement, unless the
contract, agreement or other binding arrangement is terminable following the
Closing Date on not more than 30 days' advanced notice without any liability
to ASEC or CDSI following the Closing Date; 

            (vi)   remove any material assets from any of ASEC's
facilities or premises, unless such assets are replaced before the Closing
Date with similar items of equal quality and utility and without the
incurrence of any indebtedness or Encumbrance; 

           (vii)   issue any shares of capital stock of ASEC or any of
its Subsidiaries (other than upon exercise of options and warrants outstanding
as of April 30, 1997) or any securities convertible into or exercisable or
exchangeable for capital stock or options to purchase capital stock or other
rights in respect of any of the foregoing;

          (viii)   pay to any current or former Employee any compensation
or other benefit that is not (A) required by a plan, trust, agreement or other
arrangement in effect on or before April 30, 1997 and disclosed in a schedule
to this Agreement, or (B) salaries in the ordinary course of business that are
reflected on Schedule C.20 to Exhibit C, or adopt, amend, or increase any
benefits payable under, any employee benefit, welfare, compensation, or other
"fringe benefit" plan, trust, agreement, or other arrangement covering any
existing or former employee, including any thrift, pension, savings,
retirement, stock bonus, stock option, stock purchase, profit sharing, group
insurance, medical reimbursement, deferred compensation, or other similar
plan, including any Plan as defined in Section C.22, except that ASEC may
increase annual compensation payable to Employees (other than Key Management
Employees) in the aggregate for all Employees by $100,000 without consultation
and the prior written approval of CDSI and in the ordinary course of business
on a basis consistent with past practices provided it gives CDSI at least 10
days advanced notice of its intent to do so and provides CDSI with the
opportunity to review and discuss such increases with Henderson;

            (ix)   redeem, purchase, or otherwise acquire, split,
combine, or reclassify, any shares of its capital stock; 

             (x)   pay, declare, or set aside for payment a dividend or
other distribution in respect of any shares of its capital stock or make any
other payment or distribution of any kind to its shareholders;

            (xi)   discontinue or materially diminish any insurance
coverage applicable to its assets, properties and business operations; 

           (xii)   cancel or compromise any legal right or claim of or
debts owed to ASEC or any of its Subsidiaries; 

          (xiii)   pay any fees pertaining to contractually required
consents to the transactions contemplated by this Agreement; 

           (xiv)   incur or suffer to exist any indebtedness for money
borrowed other than indebtedness to the extent available under credit
facilities in existence on December 31, 1996; or 

           (xv)    agree to do, or acquiesce in, any of the foregoing
acts.

     Section 5.02      Access to Information.  Subject to the terms of the
Nondisclosure Agreement, except as may be deemed appropriate to ensure
compliance with any Applicable Laws (including, without limitation, any
requirements with respect to security clearances), from the date of this
Agreement until the Closing Date, the Selling Shareholders will cause ASEC to
give CDSI and its representatives reasonable access to all information
(financial or otherwise) reasonably requested by or on behalf of CDSI, its
financing sources, and their respective Representatives in connection with
their due diligence investigation of ASEC, including, without limitation, at
all reasonable times and upon reasonable notice, access to ASEC's and its
Subsidiaries' books, records, facilities, properties, officers, accountants
and representatives.  CDSI will use reasonable efforts to minimize any
disruption to ASEC's business in connection with its due diligence
investigation.  

     Section 5.03      Resolution of Affiliated Transactions.  On or prior to
the Closing, each of the Selling Shareholders other than the Fund shall, and
each of the Selling Shareholders other than the Fund shall cause his or its
Affiliates to, pay, satisfy, discharge and release any and all claims of such
Selling Shareholder or Affiliate against ASEC or any of its Subsidiaries which
are reflected on Schedule C.14 to Exhibit C of this Agreement, unless
otherwise specifically noted thereon.  

     Section 5.04      Transfer or Encumbrance of ASEC Common Stock.  Except
for the transfers on June 9, 1997 of a portion of their ASEC Common Stock by
Henderson and Fagan to the Fund (the results of which transfers constitute all
of the ASEC Common Stock held by the Fund), from May 29, 1997 to the date
hereof and through the Closing, none of the Selling Shareholders have or shall
(a) sell, transfer or otherwise convey any interest in or to any of the ASEC
Common Stock or any options, warrants or other rights to acquire shares of
ASEC Common Stock or (b) incur or allow to exist any Encumbrances on any
shares of ASEC Common Stock or any options, warrants or other rights to
acquire shares of ASEC Common Stock.

     Section 5.05      Non-Solicitation of Employees.  From and after the
Closing Date until the second anniversary of the Closing Date, each of the
Selling Shareholders other than the Fund shall not, on behalf of the Selling
Shareholder or any other Person, without prior written approval of CDSI,
directly or indirectly solicit any person who is an employee of ASEC or any of
its Subsidiaries at any time on or after the date of this Agreement to
terminate his or her relationship with ASEC or any of its Subsidiaries.  

     Section 5.06      Key Management Employees.  From May 29, 1997 through
the date hereof and through the Closing, each of Henderson and Fagan have used
and shall use their respective best efforts to ensure the continued employment
of Key Management Employees (other than Henderson and Fagan) after the Closing
on terms substantially similar to those on which CDSI employees of similar
rank and with similar responsibility are currently employed, subject to the
increases contemplated by Section 5.01(b)(viii).

     Section 5.07      Appointment of Selling Shareholders' Representative.  

        (a)  By their execution hereof, the Selling Shareholders appoint
James W. Henderson as the Selling Shareholders' Representative.  The Selling
Shareholders' Representative shall act as attorney-in-fact for each of the
Selling Shareholders (and their successors, beneficiaries and assignees) with
power and authority to do each of the following acts in the name and on behalf
of each of the Selling Shareholders:

            (i)    Sign and deliver any and all documents or certificates
to be delivered on behalf of the Selling Shareholders under the terms of this
Agreement;

            (ii)   Enter into the Escrow Agreement in substantially the
form attached hereto as Attachment V, with such changes and additions as the
Selling Shareholders' Representative deems necessary or appropriate;  

           (iii)   Act on behalf of the Selling Shareholders in respect
of any claims for indemnification and the defense and settlement of claims for
indemnification and related matters;

            (iv)   Negotiate the terms of any ancillary agreements to
this Agreement with such usual and customary provisions as the Shareholders
Representative may deem necessary or appropriate and to sign on behalf of each
of the Selling Shareholders any such agreements;

             (v)   Approve and pay from the proceeds of the Purchase
Price the reasonable and proper expenses, including the fees and expenses of
legal counsel, incurred by ASEC or the Selling Shareholders in negotiating and
closing the transactions contemplated by this Agreement; and

            (vi)   Do all things deemed by the Shareholders'
Representative to be necessary or appropriate to accomplish the transactions
contemplated by this Agreement, including delivery of any stock certificates
and stock powers to CDSI.  

The authority granted pursuant to this Section 5.07(a) shall not be revoked,
impaired or otherwise effected by any disability of a Selling Shareholder that
may hereafter occur.  In regard to any action of the Shareholders'
Representative under this Agreement, the decision of the Shareholders'
Representative shall be binding upon all of the Shareholders.

        (b)  The Selling Shareholders' Representative shall not be liable
to any of the Selling Shareholders for any action taken by him in good faith
and believed by him to be authorized or within the rights or powers conferred
on him by this Section 5.07, and may consult with counsel of his own choice
and shall have full and complete authorization and protection for any action
taken or suffered by him hereunder in good faith and in accordance with the
opinion of such counsel.

        (c)  The Selling Shareholders agree, jointly and severally, to
indemnify and hold the Selling Shareholders' Representative harmless from and
against any Damages incurred without gross negligence or bad faith on his
part, arising out of or in connection with acting pursuant to this Agreement,
including the cost and expenses of defending himself against any claim for
liability by a Selling Shareholder.  Notwithstanding anything to the contrary
contained in this Section 5.07, the Fund's obligations to indemnify the
Selling Shareholders' Representative and to contribute to the settlement of
claims that may be made against the Selling Shareholders shall be limited to
the extent provided for in Section 9.05 hereof.  

     Section 5.08      Exercise of Outstanding Options and Warrants.  At
least one Business Day prior to Closing, the Board of Directors of ASEC shall
accelerate the vesting of all options to purchase shares of ASEC Common Stock
which are not at that time vested and each of the Selling Shareholders shall
exercise all outstanding rights to acquire shares of ASEC Common Stock such
that as of the Closing there shall be no outstanding options, warrants or
other rights to acquire shares of capital stock or other equity interests in
ASEC or any of its Subsidiaries.

     Section 5.09      Payoff of Indebtedness.  The Selling Shareholders
shall use reasonable efforts to cause each of MCRC and BayBanks, at Closing,
to execute and deliver "payoff letters" in respect of all Bank Debt of ASEC
outstanding as of the Closing to each of MCRC and BayBanks and to deliver such
other documents (including UCC-3 Termination Statements) as CDSI may request
in connection with the discharge and removal of all Encumbrances on the assets
of ASEC and its Subsidiaries other than Encumbrances relating to capital lease
obligations to the extent excluded from the definition of Bank Debt.  

     Section 5.10      Contribution of Minority Interest in Subsidiaries. 
Prior to Closing, the minority owner of each of ASEC International, ASEC
Systems and ASEC Security International shall transfer (for no additional
consideration from CDSI) his interest in those Subsidiaries of ASEC to ASEC.  


                                   ARTICLE VI

                                 COVENANTS OF CDSI

     Section 6.01      Eligibility for CDSI Stock Option Plan.  CDSI agrees
to consider each of the Key Management Employees for awards of stock options
to be made in July, 1997 consistent with CDSI's current practices for
employees at equivalent levels.  

     Section 6.02      CDSI Board Representative.  Subject to the
requirements with Applicable Law, CDSI agrees to use reasonable efforts to
cause Henderson to be elected to the Board of Directors of CDSI as soon as
practicable following Closing.  Subject to the requirements of Applicable Law,
at any regular or special meeting of stockholders of CDSI called for the
purpose of filling positions on the Board of Directors of CDSI during the term
of the Henderson Employment Agreement, CDSI agrees to recommend Henderson for
election to the Board of Directors in the same manner as all of the nominees
of CDSI for election as a director.

   
                                   ARTICLE VII

                          OTHER COVENANTS OF THE PARTIES

     Section 7.01      Further Assurances.  Subject to the terms and
conditions of this Agreement, each party shall use all reasonable commercial
efforts to take, or cause to be taken, all actions and to do, or cause to be
done, all things necessary or desirable under this Agreement and Applicable
Laws to consummate the transactions contemplated by this Agreement.  CDSI and
each of the Selling Shareholders shall execute and deliver such other
documents, certificates, agreements and other writings and take such other
actions as may be necessary or desirable in order to consummate or implement
expeditiously the transactions contemplated by this Agreement.  Except as
otherwise expressly set forth in the Transaction Documents, nothing in this
Section 7.01 shall require CDSI or any of the Selling Shareholders to make any
payments in order to obtain any consents or approvals necessary or desirable
in connection with the consummation of the transactions contemplated by this
Agreement.

      Section 7.02      Certain Filings; Consents.  CDSI and the Selling
Shareholders shall cooperate with one another (i) in determining whether any
action by or in respect of, or filing with, any Governmental Authority is
required, or any actions, consents, approvals or waivers are required to be
obtained from parties to any material contracts, in connection with the
consummation of the transactions contemplated by this Agreement and (ii)
subject to the terms and conditions of this Agreement, in taking such actions
or making any such filings, furnishing information required in connection
therewith and seeking timely to obtain any such actions, consents, approvals
or waivers.  

     Section 7.03      Public Announcements.  Neither CDSI, ASEC nor the
Selling Shareholders shall make any public announcement relating to the
transactions contemplated by this Agreement without the prior consent of the
other parties (or the Shareholders' Representative in the case of the Selling
Shareholders), except as may be required by Applicable Law based on an opinion
of counsel.  Upon execution of this Agreement, the parties agree to issue a
press release in form and content reasonably satisfactory to all parties, and
CDSI may file a Current Report on Form 8-K, announcing the signing of this
Agreement.  The parties agree that prior to Closing and except as may be
required by Applicable Law based on an opinion of counsel, the timing and
content of all other press releases and other public announcements, and all
communications with ASEC's customers, suppliers and employees relating to the
transactions contemplated by this Agreement shall be mutually agreed upon and
the content of which will be determined jointly by CDSI and the Shareholders'
Representative.  CDSI acknowledges that ASEC will communicate with its
customers and suppliers contemporaneously with the initial public announcement
of the transactions contemplated by this Agreement and CDSI hereby consents to
such communications provided that the content of such communications is
reasonably satisfactory to CDSI.

      Section 7.04    H-S-R Act.  The parties shall take all actions
necessary or appropriate to cause the prompt expiration or termination of any
applicable waiting period under the H-S-R Act in respect of the transactions
contemplated by this Agreement, including, without limitation, complying as
promptly as practicable with any requests for additional information.  

     Section 7.05      Exclusivity.  CDSI has and will devote substantial
time and incur significant out-of-pocket expenses (including attorneys',
accountants' and consultants' fees and expenses) in connection with conducting
due diligence, drafting and negotiating this Agreement and related documents,
arranging financing, and other related expenses (the "Transaction Expenses"). 
To induce CDSI to incur Transaction Expenses, the Selling Shareholders agree
that from April 30, 1997 until the earlier of (a) July 31, 1997 or (b) the
date on which CDSI notifies the Selling Shareholders that it no longer wishes
to pursue the transactions contemplated hereby (the "Exclusivity Period"),
ASEC shall not, and the Selling Shareholders have not and will not allow ASEC
to (i) enter into any written or oral agreement or understanding with any
Person or entity regarding Another Transaction (as defined below), (ii) enter
into or continue any negotiations or discussions with any person or entity
regarding the possibility of Another Transaction, or (iii) except as required
by Applicable Law, provide any nonpublic or confidential or proprietary
information regarding ASEC to any person or entity whom any of the Selling
Shareholders knows or has reason to believe (based on actual indications
received from such third party) would have an interest in participating in
Another Transaction.  For purposes of this Agreement, the term "Another
Transaction" means the sale or other disposition (whether by sale of stock or
assets, issuance of capital stock, merger, consolidation, share exchange or
other disposition) of all or any substantial portion of ASEC or any of its
Subsidiaries or the assets or capital stock of ASEC or any of its
Subsidiaries.  In addition to any other remedies available to CDSI in the
event of a breach by ASEC or any of the Selling Shareholders of this Section
7.05, in the event that ASEC or any Selling Shareholder enters into an
agreement in respect of Another Transaction within two years of the date of
this Agreement that is a direct or indirect result of any actions taken by
ASEC or any Selling Shareholder in contravention of their agreements contained
in this Section 7.05, ASEC shall, and the Selling Shareholders shall cause
ASEC to (or the successor or survivor of ASEC following Another Transaction
which successor or survivor shall include any purchaser of a substantial
percentage of the assets of ASEC), immediately pay to CDSI, by wire transfer
of immediately available funds, $2,500,000.  

     Section 7.06      CDSI Common Stock.  

        (a)  The shares of CDSI Common Stock received by the Selling
Shareholders, if any, hereunder shall be held by the Selling Shareholders in
compliance with the registration requirements of the 1933 Act and the
qualification and registration requirements of applicable states' securities
laws.  In addition, the shares of CDSI Common Stock received by Henderson,
Fagan or MCRC, if any, shall be held in compliance with the terms of the
Standstill Agreement.  The CDSI Common Stock shall not be sold, transferred,
pledged, hypothecated or disposed of in any manner by the Selling Shareholders
except in accordance with such laws and the Standstill Agreement, as the case
may be.  The certificates representing the shares of CDSI Common Stock
delivered under this Agreement, if any, shall bear the following legend:  THE
SECURITIES REPRESENTED BY THIS CERTIFICATE ARE NOT REGISTERED UNDER THE
SECURITIES ACT OF 1933, AS AMENDED, NOR REGISTERED OR QUALIFIED UNDER ANY
STATE SECURITIES LAWS AND MAY NOT BE PLEDGED, HYPOTHECATED, SOLD, TRANSFERRED
OR OTHERWISE DISPOSED OF UNLESS SO REGISTERED OR AN EXEMPTION THEREFROM IS
AVAILABLE.  THE SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO, AND
ARE TRANSFERABLE ONLY UPON COMPLIANCE WITH, THE PROVISIONS OF A STANDSTILL
AGREEMENT DATED AS OF _________ ___, 1997.  A COPY OF THE ABOVE-REFERENCED
AGREEMENT IS ON FILE AT THE OFFICES OF COMPUTER DATA SYSTEMS, INC. AND WILL BE
FURNISHED TO THE STOCKHOLDER UPON REQUEST AND WITHOUT CHARGE.

        (b)  Upon delivery by a Selling Shareholder to CDSI of an opinion
of counsel reasonably satisfactory to CDSI to the effect that the legend
referred to in Section 5.03(a) is no longer necessary to ensure compliance
with (i) the registration requirements of the 1933 Act or applicable state
securities laws or (ii) the Standstill Agreement, as the case may be, CDSI
shall issue new share certificates for the shares of CDSI Common Stock not
including the relevant portions of the legend referred to above.

     Section 7.07      Selling Shareholders Approval Pursuant to
Section 280G(b)(5)(B).  In accordance with Section 280G(b)(5)(B) of the Code,
by execution of this Agreement, each of the Selling Shareholders hereby
consents to, and acknowledges his or its vote in favor of any payment in
connection with the exercise of options to purchase ASEC Common Stock or any
of the other transactions contemplated by this Agreement which payments may
otherwise have constituted "parachute" payments.

    Section 7.08      Consistent Treatment for Tax Purposes.  Each of CDSI
and the Selling Shareholders agree, and agree to cause ASEC, to attribute the
compensation deduction resulting from the exercise of stock options and
warrants to the period prior to Closing and not to take, or allow ASEC to
take, any position on their respective tax returns that is inconsistent with
such position.  

 
                                ARTICLE XIII


     Section 8.01      Conditions to the Obligations of Each Party.  The
obligations of CDSI and the Selling Shareholders to consummate the Closing are
subject to the satisfaction (or waiver) of the following conditions:

        (a)  Any applicable waiting period under the H-S-R Act relating
to the transactions contemplated by this Agreement shall have expired or been
terminated;

        (b)  No provision of any Applicable Law or regulation (including
any applicable securities or blue sky law) and no judgment, injunction, order
or decree shall prohibit the Closing, and no action or proceeding shall be
pending before any court, arbitrator or governmental body, agency or official
with respect to which counsel reasonably satisfactory to CDSI and the Selling
Shareholders shall have rendered a written opinion that there is a substantial
likelihood of a determination that would prohibit the Closing; and

        (c)  All actions by or in respect of or filings with any
Governmental Authority required to permit the consummation of the Closing
shall have been taken or obtained.

     Section 8.02      Conditions to Obligations of the Selling Shareholders. 
The obligations of the Selling Shareholders to consummate the Closing are
subject to the satisfaction (or waiver by a majority of the Selling
Shareholders) of the following further conditions:

        (a)  CDSI shall have performed in all material respects all of
its obligations under the Transaction Documents required to be performed by it
on or prior to the Closing Date; 

        (b)  The representations and warranties of CDSI contained in the
Transaction Documents (except for representations and warranties that by their
terms speak only as of the date of this Agreement) shall be accurate at and as
of the Closing Date, as if made at and as of such date and the Selling
Shareholders shall have received a certificate signed by an executive officer
of CDSI to the foregoing effect; and

        (c) In the event that CDSI elects to pay a portion of the
Purchase Price in the form of CDSI Common Stock, the Selling Shareholders
shall have received an opinion of Miles & Stockbridge, a Professional
corporation, in form and content reasonably satisfactory to the Selling
Shareholders, to the effect that the CDSI Common Stock has been duly issued,
fully paid and non-assessable.

     Section 8.03      Conditions to Obligation of CDSI.  The obligation of
CDSI to consummate the Closing is subject to the satisfaction (or waiver by
CDSI) of the following further conditions:

        (a)  The Selling Shareholders shall have performed in all
material respects all of their respective obligations under the Transaction
Documents required to be performed by any of them at or prior to the Closing
Date;

        (b)  The representations and warranties of the Selling
Shareholders contained in the Transaction Documents (except for
representations and warranties that by their terms speak only as of the date
of this Agreement) shall be accurate at and as of the Closing Date, as if made
at and as of such date and CDSI shall have received certificates signed by
Henderson and Fagan to the foregoing effect; 

        (c)  Each of the holders of options or warrants to purchase ASEC
Common Stock shall have fully exercised those options or warrants, as the case
may be, and made payment for the full amount of the exercise price for each of
such options or warrants, such that as of the Closing there shall be no
outstanding rights to acquire any shares of ASEC Common Stock of any other
shares of capital stock of ASEC or of any shares of capital stock of any of
the Subsidiaries of ASEC and the cash account of ASEC at Closing shall have
been increased by an aggregate of $2,300,000 as a result thereof;

        (d)  CDSI shall have completed its financial, business and legal
due diligence investigation of ASEC and its Affiliates and the results of such
investigation shall be satisfactory to CDSI in its sole and absolute
discretion;

        (e)  ASEC and Henderson shall have terminated the existing
employment agreement between ASEC and Henderson without the payment of any
consideration by ASEC and CDSI and Henderson shall have executed the
Employment Agreement in substantially the form attached hereto as
Attachment VI; 

        (f)   ASEC and Fagan shall have terminated the existing
employment agreement between ASEC and Fagan without the payment of any
consideration by ASEC and CDSI and Fagan shall have executed an Employment
Agreement in substantially the form attached hereto as Attachment VII;  

        (g)  Each of Henderson and Fagan shall have used their best
efforts to ensure the continued employment of Key Management Employees (other
than Fagan and Henderson) after the Closing on terms substantially similar to
those on which CDSI employees of similar rank and with similar responsibility
are currently employed, subject to the increases contemplated by
Section 5.01(b)(viii); 

        (h)  There shall have been no material adverse change since
December 31, 1996 in the business, assets, financial condition, operating
results, customers, supplier and employer relations, or business prospects of
ASEC and its Subsidiaries taken as a whole;

        (i)  There shall be no material undisclosed liabilities of ASEC
and its Subsidiaries; 

        (j)  ASEC or its applicable Affiliate, as the case may be, shall
have obtained all consents or approvals of third parties or Governmental
Authorities required for the consummation of the transactions contemplated by
this Agreement, including those set forth in Attachment III; 

        (k)  The Board of Directors of CDSI shall have received a
fairness opinion to the effect that the transactions contemplated by this
Agreement are fair, from a financial perspective, to the Shareholders of CDSI,
in form and content reasonably satisfactory to the Board of Directors; 

        (l)  The Bank Debt shall have been paid off out of the Gross
Purchase Price and ASEC's assets shall be free and clear of any Encumbrances
(other than Encumbrances in respect of capital lease obligations to the extent
permitted by Section 2.01(g)); and

        (m)  CDSI shall have received an opinion of Gadsby & Hannah LLP,
in form and content reasonably satisfactory to CDSI, to the effect that the
ASEC common stock delivered to CDSI at Closing has been duly issued, is fully
paid and non-assessable and constitutes 100% of all of the issued and
outstanding capital stock of ASEC.


                                   ARTICLE IX
 
                            SURVIVAL; INDEMNIFICATION

     Section 9.01      Survival.  Except as otherwise specifically provided
in this Agreement, each of the covenants, agreements, representations and
warranties of the parties contained herein or in any certificate or other
writing delivered pursuant to this Agreement shall survive the Closing for a
period of three (3) years, except that:  

        (a)  the representations and warranties in Sections C.2, C.14,
C.15 and C.28 of Exhibit C shall survive indefinitely;

        (b)  the representations and warranties included in Section C.12
of Exhibit C shall survive until 30 days after the expiration of the
applicable statute of limitations (or extensions or waivers thereof).  

     Section 9.02      Indemnification.

        (a)  Indemnification of CDSI by the Selling Shareholders.  Each
of the Selling Shareholders, jointly and severally (subject to the limitations
set forth in Section 9.05), hereby indemnifies CDSI and its Affiliates, and to
the extent actually indemnified by CDSI or any such Affiliate from time to
time, its directors, officers, employees and agents, against and agrees to
hold them harmless from any and all Damages incurred or suffered by any of
them arising out of or related in any way to (i) any breach of any
representation, warranty, covenant or agreement made or to be performed by any
of the Selling Shareholders pursuant to any of the Transaction Documents,
including without limitation or duplication, (A) as a result of the violation
of any Environmental Laws or provisions in any agreement to which ASEC or any
of its Subsidiaries is party relating to environmental matters, (B) as a
result of any violation or alleged violation of Government Contract Laws or
(C) the failure (or alleged failure) to comply with any Applicable Laws,
including any affirmative action program requirements of any Governmental
Authority at any time prior to Closing, (ii) the inability of CDSI to receive
the full benefit of the compensation deduction attributable to the exercise of
the ASEC Stock Options prior to Closing, (iii) the payment of any Bank Debt in
excess of $5,200,000 or (iv) any action, claim or suit brought by or on behalf
of or the exercise of any right under any Contracts or arrangements on the
part of Rukin or any of his Affiliates of any nature whatsoever, provided that
the indemnification set forth in this clause (iv) shall not include gross
payments of up to $350,007 for consulting fees and up to $75,000 for insurance
benefits due to Rukin after Closing.  


        (b)  Indemnification of the Selling Shareholders by CDSI.  CDSI
hereby indemnifies each of the Selling Shareholders and their respective
Affiliates, against and agrees to hold them harmless from any and all Damages
incurred or suffered by any of them arising out of or related in any way to
any breach of any representation, warranty, covenant or agreement made or to
be performed by CDSI pursuant to any of the Transaction Documents.  

     Section 9.03      Procedures.  

        (a)  Notice.  If CDSI or any of its Affiliates or any of their
directors, officers, employees and agents, shall seek indemnification pursuant
to Section 9.02(a) or if any of the Selling Shareholders or their respective
Affiliates shall seek indemnificationpursuant to Section 9.02(b), such Person
seeking indemnification (the "Indemnified Party") shall give written notice to
the party from whom such indemnification is sought (the "Indemnifying Party")
promptly after the Indemnified Party (or, if the Indemnified Party is a
corporation, any officer of the Indemnified Party) becomes aware of the facts
giving rise to such claim for indemnification (an "Indemnified Claim") stating
the amount of the Damages, if known, and the method of computation thereof. 
The failure of an Indemnified Party to provide notice pursuant to this
Section 9.03 shall not constitute a waiver of that party's claims to
indemnification pursuant to Section 9.02 in the absence of material prejudice
to the Indemnifying Party.  If the Indemnified Claim arises from the assertion
of any claim, or the commencement of any suit, action or proceeding brought by
a Person that is not a party hereto (a "Third Party Claim") any such notice to
the Indemnifying Party shall be accompanied by a copy of any papers
theretofore served on the Indemnified Party in connection with such Third
Party Claim. With respect to any Third Party Claim asserted or brought prior
to the Closing Date, notice of such Third Party Claim shall be deemed to have
been delivered on the Closing Date.

        (b)  Defense and Settlement of Third Party Claims.

                  (i)  Assumption of Defense by Indemnifying Party.  Upon
receipt of notice of a Third Party Claim from an Indemnified Party
pursuant to Section 9.03(a), the Indemnifying Party will, subject to the
provisions of Section 9.03(b)(ii), (iii) and (iv), assume the defense
and control of such Third Party Claim but shall allow the Indemnified
Party a reasonable opportunity to participate in the defense thereof
with its own counsel and at its own expense.  The Indemnifying Party
shall select counsel, contractors and consultants of recognized standing
and competence after consultation with the Indemnified Party; shall take
all steps necessary in the defense or settlement thereof; and shall at
all times diligently and promptly pursue the resolution thereof.  In
conducting the defense thereof, the Indemnifying Party shall at all
times act as if all Damages relating to such Third Party Claim were for
its own account and shall act in good faith and with reasonable prudence
to minimize Damages therefrom.  The Indemnified Party shall, and shall
cause each of its Affiliates, directors, officers, employees, and agents
to, cooperate fully with the Indemnifying Party in the defense of any
Third Party Claim defended by the Indemnifying Party.

                 (ii)  Continuing Notice of Certain Claims.  The Indemnifying
Party shall give prompt and continuing notice to the other Indemnified
Party of any Third Party Claims that the Indemnifying Party reasonably
believes may:  (1) result in the assertion of criminal liability on the
part of the Indemnified Party or any of its Affiliates, directors,
officers, employees or agents; (2) adversely affect the ability of the
Indemnified Party to do business in any jurisdiction or in any manner or
with any customer; or (3) materially affect the reputation of the
Indemnified Party or any of its Affiliates, directors, officers,
employees or agents.

                 (iii) Settlement of Claims.  Subject to the provisions of
Section 9.03(b)(iv), the Indemnifying Party shall be authorized to
consent to a settlement of, or the entry of any judgment arising from,
any Third Party Claims, without the consent of any Indemnified Party;
provided, that the Indemnifying Party shall (1) pay or cause to be paid
all amounts arising out of such settlement or judgment concurrently with
the effectiveness thereof; (2) shall not encumber any of the assets of
any Indemnified Party or agree to any restriction or condition that
would apply to such Indemnified Party or to the conduct of that party's
business; and (3) shall obtain, as a condition of any settlement or
other resolution, a complete release of each Indemnified Party.

                 (iv)  Shared Defense.  Each party may elect to share the
defense of a Third Party Claim the defense of which has been assumed by
the other party pursuant to Section 9.03(b)(ii).  In that event, the
Indemnified Party will so notify the Indemnifying Party in writing. 
Thereafter, the Indemnifying Party and the Indemnified Party shall
participate on an equal basis in the defense, management and control of
any such claim.  The Indemnifying Party and the Indemnified Party shall
select mutually satisfactory counsel, contractors and consultants to
conduct the defense or settlement thereof (the costs and expenses of
which shall be shared equally by the Indemnifying Party and the
Indemnified Party), and shall at times diligently and promptly pursue
the resolution thereof.  

        (c)  Dispute Resolution.  If the Indemnifying Party and the
Indemnified Party are unable to agree with respect to a procedural matter
arising under Section 9.03(b)(iv), the Indemnifying Party and the Indemnified
Party shall, within 10 days after notice of disagreement given by either
party, agree upon a third-party referee ("Referee"), who shall be an attorney
and who shall have the authority to review and resolve the disputedarty
simultaneously providing to the other a copy of all documents submitted) to
the Referee and shall cause the Referee promptly to review any facts, law or
arguments either the Indemnifying Party or the Indemnified Party may present. 
The Referee shall be retained to resolve specific differences between the
parties within the range of such differences.  Either party may request that
all oral arguments presented to the Referee by either party be in each other's
presence.  The decision of the Referee shall be final and binding unless both
the Indemnifying Party and the Indemnified Party agree otherwise.  The parties
shall share equally all costs and fees of the Referee.

    Section 9.04      Claims Against Escrow Amount.  In the event that CDSI
or any of its Affiliates is entitled to indemnification of any Damages under
Section 9.02(a), such Person shall seek payment for such Damages first out of
the Escrow Amount in accordance with the terms of the Escrow Agreement.  In
the event that the Escrow Amount is not sufficient to satisfy all claims for
indemnification pursuant to Section 9.02(a), the Persons seeking such
indemnification shall be entitled to seek payment directly from a Selling
Shareholder, subject to the limitations set forth in Section 9.05.  

     Section 9.05      Limitations.  Notwithstanding anything to the contrary
in this Agreement or in any of the Transaction Documents, the Selling
Shareholders (other than Henderson, Fagan and MCRC) shall only have liability
to CDSI or any other Person under this Article IX to the extent of their
Proportionate Share of the Escrow Amount.  Although the Fund has not made the
representations and warranties made by the other Selling Shareholders, the
Fund shall be liable for any breach by the other Selling Shareholders of their
representations and warranties to the extent of the Fund's Proportionate Share
of the Escrow Amount.  The Fund shall have no right of contribution from the
other Selling Shareholders for any reduction in the Fund's Proportionate Share
of the Escrow Amount due to a claim.  Following release to the Fund of all or
any part of its Proportionate Share of the Escrow Amount, the Fund shall have
no liability for the return of the amounts so released.  In addition, MCRC
shall only be liable to the extent of its Proportionate Share of the Purchase
Price.  Notwithstanding the foregoing, Henderson and Fagan agree that they
shall be, jointly and severally, responsible for any Damages in excess of the
Escrow Amount, provided that in no event shall Henderson and Fagan be liable
in an amount in excess of the Purchase Price.

     Section 9.06      Deductible Amount.

        (a)  Except as provided on Schedule C.11(d) in respect of any
Damages resulting from the Compliance Review, the Persons who are provided
indemnification pursuant to Section 9.02(a) (the "CDSI Indemnified Parties")
shall not be entitled to seek indemnification until the aggregate amount of
the Damages incurred by the CDSI Indemnified Parties exceeds $200,000.00 (the
"Deductible Amount").  Except as provided on Schedule C.11(d) in respect of
any Damages resulting from the Compliance Review, in the event that the
Deductible Amount is exceeded, the CDSI Indemnified Parties shall be entitled
to seek indemnification only to the extent of Damages incurred in excess of
the Deductible Amount.

        (b)  The Persons who are provided indemnification pursuant to
Section 9.02(b) (the "Selling Indemnified Parties") shall not be entitled to
seek indemnification until the aggregate amount of the Damages incurred by the
Selling Indemnified Parties exceeds the Deductible Amount.  In the event that
the Deductible Amount is exceeded, the Selling Indemnified Parties shall be
entitled to seek indemnification only to the extent of Damages incurred in
excess of the Deductible Amount.


                                   ARTICLE X

                                  TERMINATION

Section 10.01     Termination.  The Transaction Documents may be
terminated at any time prior to the Closing:

        (a)  by mutual written agreement of CDSI and the Selling
Shareholders Representative;

        (b)  by either CDSI or any of the Selling Shareholders if there
shall be any law or regulation that makes consummation of the transactions
contemplated by this Agreement illegal or otherwise prohibited or if
consummation of the transactions contemplated by this Agreement would violate
any nonappealable final order, decree or judgment of any court or Governmental
Authority having competent jurisdiction; 

        (c)  notwithstanding anything contained herein to the contrary,
in the event of a second request under the H-S-R Act, the term of this
Agreement shall extend through final clearance under the H-S-R Act and no
party shall be entitled to terminate this Agreement as a result of not having
received clearance under the H-S-R Act prior to the final determination under
the H-S-R Act; and

        (d)  by CDSI or any of the Selling Shareholders if the Closing
shall not have been consummated by June 30, 1997; provided, however, that
neither CDSI nor a Selling Shareholder may terminate the Transaction Documents
pursuant to this clause (b) if the Closing shall not have been consummated by
June 30, 1997, by reason of the failure of such party or any of its Affiliates
to perform in all material respects any of its or their respective covenants
or agreements contained in the Transaction Documents.  

Any party desiring to terminate this Agreement pursuant to this Section 10.01
shall give written notice of such termination to the other parties to this
Agreement.

     Section 10.02     Effect of Termination.  If this Agreement is
terminated as permitted by Section 10.01, such termination shall be without
liability of any party (or any Affiliate, shareholder, director, officer,
employee, agent, consultant or representative of such party) to any other
party to this Agreement; provided, however, that if the transactions
contemplated by this Agreement fail to close as a result of a breach of any
Transaction Document by CDSI or any of the Selling Shareholders, such party
shall be fully liable for any and all Damages incurred or suffered by any
other party as a result of all such breaches.  


                                   ARTICLE XI

                                 MISCELLANEOUS

     Section 11.01     Notices.  All notices, requests and other
communications to any party hereunder shall be in writing (including telecopy
or similar writing) and shall be given, by telecopy, registered or certified
mail or overnight delivery service:

        if to CDSI:

                     Computer Data Systems, Inc.
                     One Curie Court
                     Rockville, Maryland  20850
                       Attention:  Legal Department
                       Telecopy:  (301) 921-0130

        with a copy to:

                     Miles & Stockbridge,
                       a Professional Corporation
                     10 Light Street
                     Baltimore, Maryland  21202
                       Attention:  David A. Gibbons, Esquire
                       Telecopy:  (410) 385-3700

        if to the Selling Shareholders

                     c/o James W. Henderson
                     Analytical Systems Engineering Corporation
                     Five Burlington Woods Drive
                     Burlington, Massachusetts  01803
                       Telecopy:  (617) 229-9977

        with a copy to:

                     Gadsby & Hannah LLP
                     225 Franklin Street
                     Boston, Massachusetts  02110-2811
                       Attention:  Walter Wekstein, Esquire
                                   Lawrence R. Katz, Esquire
                       Telecopy:  (617) 345-7050

or to such other address or telecopy number and with such other copies, as
such party may hereafter specify for the purpose by notice to the other
parties.  Each such notice, request or other communication shall be effective
(i) if given by telecopy, when such telecopy is transmitted to the telecopy
number specified in this Section 11.01 and evidence of receipt is received or
(ii) if given by any other means, upon delivery or refusal of delivery at the
address specified in this Section 11.01.

     Section 11.02     Amendments; Waivers.  

        (a)  Any provision of the Transaction Documents may be amended or
waived prior to the Closing Date if, and only if, such amendment or waiver is
in writing and signed, in the case of an amendment, by CDSI and the Selling
Shareholders, or in the case of a waiver, by the party against whom the waiver
is to be effective.

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

     Section 11.03     Expenses.  Except as otherwise provided in the
Transaction Documents, all costs and expenses incurred in connection with the
Transaction Documents shall be paid by the party incurring such cost or
expense.  

     Section 11.04     Successors and Assigns.  The provisions of the
Transaction Documents shall be binding upon and inure to the benefit of the
parties and their respective successors and assigns; provided that no party
may assign, delegate or otherwise transfer any of its right or obligations
under this Agreement without the consent of CDSI, in the case of any of the
Selling Shareholders, and the Selling Shareholders' Representative in the case
of CDSI. 

     Section 11.05     Construction.  As used in the Transaction Documents,
any reference to the masculine, feminine or neuter gender shall include all
genders, the plural shall include the singular, and the singular shall include
the plural.  With regard to each and every term and condition of the
Transaction Documents, the parties understand and agree that the same have or
has been mutually negotiated, prepared and drafted, and that if at any time
the parties desire or are required to interpret or construe any such term or
condition or any agreement or instrument subject hereto, no consideration
shall be given to the issue of which party actually prepared, drafted or
requested any term or condition of the Transaction Documents.

     Section 11.06     Entire Agreement.  

        (a)  The Transaction Documents and any other agreements
contemplated thereby (including, the Nondisclosure Agreement and the binding
provisions of the Memorandum as modified hereby) constitute the entire
agreement among the parties with respect to the subject matter of such
documents and supersede all prior agreements, understandings and negotiations,
both written and oral, between the parties with respect to the subject matter
thereof.  

        (b)  Except as expressly provided herein or in any other
Transaction Document, no Transaction Document or any provision thereof is
intended to confer upon any Person other than the parties hereto any rights or
remedies hereunder.

     Section 11.07     Governing Law.  This Agreement shall be construed in
accordance with and governed by the law of the State of Maryland (without
regard to the choice of law provisions thereof).

     Section 11.08     Counterparts; Effectiveness.  This Agreement may be
signed in any number of counterparts (by facsimile or otherwise), each of
which shall be an original, with the same effect as if the signatures thereto
and hereto were upon the same instrument.  This Agreement shall become
effective when each party hereto shall have received a counterpart hereof
signed by the other parties hereto.

     Section 11.09     Jurisdiction.  Any suit, action or proceeding seeking
to enforce any provision of, or based on any matter arising out of or in
connection with, any of the Transaction Documents or the transactions
contemplated by this Agreement may be brought (i) to the extent it is brought
by CDSI against any of the other parties in the United States District Court
for the District of Massachusetts, or (ii) to the extent that it is brought by
any of the Selling Shareholders against CDSI in the United States District
Court for the District of Maryland, and each of the parties hereby consents to
the exclusive jurisdiction of such court (and of the appropriate appellate
court) in any such suit, action or proceeding and waives any objection to
venue laid therein.  Process in any such suit, action or proceeding may be
served on any party anywhere in the world, whether within or without the State
of Maryland or the Commonwealth of Massachusetts.  Without limiting the
foregoing, each of the parties agree that service of process upon such party
at the address referred to in Section 11.01, together with written notice of
such service to such party, shall be deemed effective service of process upon
such party.

     Section 11.10     Captions.  The captions herein are included for
convenience of reference only and shall be ignored in the construction or
interpretation hereof.


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

WITNESS:                       COMPUTER DATA SYSTEMS, INC.

 /s/Wyatt D. Tinsley           By: /s/Peter A. Bracken
- ------------------------          ------------------------
                               Name:  Peter A. Bracken  
                               Title:  CEO and President
                                  

                               ANALYTICAL SYSTEMS ENGINEERING
                               CORPORATION

 /s/Robert J. Fagan            By: /s/James W. Henderson
- ------------------------          ------------------------
                               Name:  James W. Henderson
                               Title:  President


                               THE SHAREHOLDERS OF ANALYTICAL
                               SYSTEMS ENGINEERING
                               CORPORATION

 /s/Robert J. Fagan             /s/James W. Henderson
- ------------------------       ------------------------
                                   James W. Henderson


 /s/James W. Henderson          /s/Robert J. Fagan
- ------------------------       ------------------------
                                   Robert J. Fagan


                               FIDELITY INVESTMENTS 
                               CHARITABLE GIFT FUND 
                               FOUNDATION, INC.

 /s/[unidentified]             By: /s/Jamie B. Jaffee
- ------------------------          ----------------------
                               Name:   Jamie B. Jaffee
                               Title:  Vice President



                               MASSACHUSETTS CAPITAL RESOURCE
                               COMPANY

 /s/Nancy L. Rodriquez         By: /s/Richard W. Anderson
- -------------------------         -------------------------
                               Name:  Richard W. Anderson
                               Title: Senior Vice President



 /s/Robert J. Fagan              /s/D. Richard Tufenkjian
- -------------------------      ----------------------------
                                   D. Richard Tufenkjian



 /s/Robert J. Fagan                /s/John F. Francini
- -------------------------      ----------------------------
                                     John F. Francini


 /s/Stephen Matthews               /s/Robert Reiter
- -------------------------      ----------------------------
                                      Robert Reiter


 /s/Robert J. Fagan                /s/Frank Serio
- -------------------------      ----------------------------
                                      Frank Serio


 /s/Robert J. Fagan                /s/John Wrobel
- -------------------------      ----------------------------
                                      John Wrobel


 /s/Robert Reiter                  /s/Stephen Matthews
- -------------------------      ----------------------------
                                     Stephen Matthews



 /s/Caryn Moyer-Kelley             /s/Michael Kelley
- -------------------------      ----------------------------
                                      Michael Kelley


 /s/James W. Hendeson              /s/Paul Sateriale
- -------------------------      ----------------------------
                                      Paul Sateriale


 /s/James W. Henderson             /s/Charles Benway
- -------------------------      ----------------------------
                                      Charles Benway




                                                                 EXHIBIT A
                                                                 ---------
                                 Selling Shareholders

                                                                    CDSI
                                   Proprotionate                    Common
Name and Address       Shares*        Shares          Cash          Stock
- ----------------       -------     -------------      ----          -----      

James W. Henderson     839,020    59.859024300%   59.859024300%   59.859024300%

Robert J. Fagan        127,100     9.067819585%    9.067819585%    9.067819585%

D. Richard
Tufenkjian               8,000     0.570751823%    0.570751823%    0.570751823%

John F. Francini        60,000     4.280638671%    4.280638671%    4.280638671%

Robert Reiter           35,000     2.497039225%    2.497039225%    2.497039225%

Frank Serio             30,000     2.140319336%    2.140319336%    2.140319336%

John Wrobel              3,000     0.214031934%    0.214031934%    0.214031934%

Stephen Matthews        10,000     0.713439779%    0.713439779%    0.713439779%

Michael Kelley          10,000     0.713439779%    0.713439779%    0.713439779%

Paul Sateriale           5,000     0.356719889%    0.356719889%    0.356719889%

Charles Benway           5,000     0.356719889%    0.356719889%    0.356719889%

Fidelity
Investments
Charitable Gift
Fund Foundation,
Inc.                    17,400     1.241385215%    1.241385215%    1.241385215%

Massachusetts
Capital
Resource Company       252,140    17.988670576%   17.988670576%   17.988670576%
                       -------    ------------    ------------    ------------

                     1,401,660    100.0000000%   100.0000000%    100.0000000%

_______________

      * Includes all shares of ASEC Common Stock that will be transferred to 
CDSI at Closing, including all shares which the Selling Shareholder has the 
right to acquire upon exercise of stock options and warrants prior to Closing.


                                                                   EXHIBIT B
                                                                   ----------

                                    Definitions
                                    -----------

(a)   The following terms have the following meanings:

         "Affiliate" means, with respect to any Person, any Person directly or
indirectly controlling, controlled by, or under common control with such other
Person. For purposes of determining whether a Person is an Affiliate, the term 
"control" shall mean the possession, directly or indirectly, of the power to 
direct or cause the direction of the management and policies of a Person, 
whether through ownership of securities, contract or otherwise.

           "Applicable Law" means, with respect to any Person, any domestic or 
foreign, federal, state or local statute, law, ordinance, rule, administrative
interpretation, regulation, order, writ, injunction, directive, judgment, 
decree or other requirement of any Governmental Authority (including any 
Environmental Law) applicable to such Person or any of their respective 
properties, assets, officers, directors, employees, consultants or agents (in
connection with such officer's, director's, employee's, consultant's or agent's
activities on behalf of such Person).

           "ASEC" means Analytical Systems Engineering Corporation, a 
Massachusetts corporation.  

           "ASEC Common Stock" shall mean all of the issued and outstanding 
Common Stock, par value $.01 per share, of ASEC as of the Closing, which Common
Stock shall constitute 100% of the issued and outstanding capital stock of 
ASEC.  

           "ASEC International" means ASEC International Incorporated, a 
Delaware corporation, which is 80% owned by ASEC and 20% owned by Henderson as
of the date of this Agreement.

           "ASEC Limited" means ASEC Limited, Inc., a Delaware corporation and 
wholly-owned subsidiary of ASEC.  

           "ASEC Security" means ASEC Security International, Inc., a Delaware
corporation, which is 80% owned by ASEC and 20% owned by Henderson as of the
date of this Agreement.  

           "ASEC Systems" means ASEC Systems, Inc., a Delaware corporation, 
which is 80% owned by ASEC and 20% owned by Henderson as of the date of this 
Agreement.

           "Bank Debt" shall mean all outstanding bank and other interest 
bearing indebtedness of ASEC at Closing, including, without limitation, all 
outstanding indebtedness to BayBank and MCRC plus any prepayment penalties 
associated with the payoff of such indebtedness.  Bank Debt shall not include 
capital lease obligations to the extent that those obligations do not exceed 
$100,000 in the aggregate. 

           "Bid" means any proposal or bid submitted by ASEC or any of its 
Subsidiaries in respect of a Government Contract.  

           "Business" means the businesses conducted by ASEC as of the date of 
this Agreement and at any time prior thereto.

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

           "CDSI" shall mean Computer Data Systems, Inc., a Maryland 
corporation.  

           "CDSI Common Stock" shall mean shares of Common Stock, par value 
$.10 per share, of CDSI.  

           "Cash Portion of the Purchase Price" means that portion of the 
purchase price that CDSI does not elect to pay in the form of CDSI Common Stock
pursuant to Section 2.02(a) of this Agreement.

           "Closing Date" means the date of the Closing.

           "Code" means the Internal Revenue Code of 1986, as amended, and the 
rules and regulations promulgated thereunder.

            "Contracts" means all contracts, agreements, leases, licenses, 
commitments, sales and purchase orders, and other instruments of any kind, 
whether written or oral.

           "Damages" means all demands, claims, actions or causes of action,
assessments, losses, damages, costs, expenses, liabilities, judgments, awards,
fines, sanctions, penalties, charges and amounts paid in settlement, including,
without limitation, reasonable costs, fees and expenses of attorneys, experts,
accountants, appraisers, consultants, witnesses, investigators and any other 
agents or representatives of such Person (with such amounts to be determined 
net of any resulting tax benefit and net of any refund or reimbursement of any
portion of such amounts, including, without limitation, reimbursement by way of
insurance, third party indemnification or the inclusion of any portion of such
amounts as a cost under Government Contracts).

           "December Balance Sheet" means the audited consolidated balance 
sheet of ASEC at December 31, 1996, as attached in Attachment IV to the 
Agreement.

           "Encumbrances" means all liabilities, obligations, liens (including,
but not limited to, tax liens), security interests, charges, pledges, 
encumbrances, mortgages, claims or rights of any kind, nature or description 
whatsoever.  

           "Environmental Laws" means any and all past, present or future 
federal, state, local and foreign statutes, laws, regulations, ordinances, 
judgments, orders, codes, or injunctions, which imposes liability for or 
standards of conduct concerning the manufacture, processing, generation, 
distribution, use, treatment, storage, disposal, cleanup, transport or handling
of Hazardous Substances including, the Resource Conservation and Recovery Act 
of 1976, as amended, the Comprehensive Environmental Response, Compensation and
Liability Act of 1980, as amended, the Superfund Amendment and Reauthorization 
Act of 1984, as amended, the Toxic Substances Control Act, as amended, and any 
other so-called "Superfund" or "Superlien" law.

           "Escrow Agreement" means the Escrow Agreement, dated the Closing 
Date, by and among CDSI and the Selling Shareholders (in substantially the form
of Attachment V to the Agreement, as the same may be amended from time to time).

           "Fagan" shall mean Robert J. Fagan, a resident of the Commonwealth 
of Massachusetts.

           "Fagan Employment Agreement" means the Employment Agreement, dated 
as  of the Closing Date, between CDSI and Fagan (in substantially the form 
attached ereto as Attachment VII), as such agreement may be amended from time 
to time. 

           "GAAP" means Generally Accepted Accounting Principles as in effect 
on the date of the Agreement.

           "Government Contract" means any prime contract, subcontract, teaming
agreement or arrangement, joint venture, basic ordering agreement, letter 
contract, purchase order, delivery order, change order or other arrangement of 
any kind between ASEC or any of its Affiliates and (i) the U.S. Government 
(acting on its own behalf or on behalf of another country or international 
organization), (ii) any state, local or foreign government (acting on its own
behalf or on behalf of any of its respective Affiliates), (iii) any prime 
contractor of the U.S. Government (or any state, local or foreign government) 
or (iv) any subcontractor with respect to any contract of a type described in
clauses (i), (ii) or (iii) above.

           "Governmental Authority" means any foreign, domestic, federal, 
territorial, state or local governmental authority, quasi-governmental 
authority, instrumentality, court, government or self-regulatory 
organization, commission, tribunal or organization or any regulatory, 
administrative or other agency, or any political or other subdivision, 
department or branch of any of the foregoing. 

           "Gross Purchase Price" shall mean the Purchase Price plus Bank Debt 
at Closing of up to $5,200,000.

           "Hazardous Substances" means substances defined as "hazardous 
substances," "hazardous materials" or "hazardous waste" in the Comprehensive
Environmental Response, Compensation and Liability Act of 1980, as amended, and
the Resource Conservation and Recovery Act of 1976, as amended, those 
substances defined as "hazardous wastes" in the regulations adopted and 
publications promulgated pursuant to said laws, those substances defined as 
"toxic substances" in the Toxic Substances Control Act, as amended, and
petroleum, its derivatives and petroleum products.

           "Henderson" shall mean James W. Henderson, a resident of the 
Commonwealth of Massachusetts.  

           "Henderson Employment Agreement" means the Employment Agreement, 
dated as of the Closing Date, between Henderson and CDSI (in substantially the
form attached hereto as Attachment VI), as such agreement may be amended from 
time to time. 

           "H-S-R Act" means the Hart-Scott-Rodino Antitrust Improvements Act 
of 1976, as amended.

           "Intellectual Property" means patents, copyrights, trademarks, trade
names, servicemarks, service names, technology, know-how, processes, trade 
secrets, inventions, proprietary data, formulae, research and development data,
computer software programs and other intellectual property and applications for
the same.

           "Key Management Employees" means Henderson, Fagan, Frank Cardile, 
Stephen Matthews, Charles Benway, Frank Serio, Bill Sabean, Robert Reiter, John
Wrobel, Lawrence Cassenti, John Francini, Paul Saterale and Michael Kelly.

           "Memorandum" means the letter dated April 30, 1997, by and among 
CDSI and ASEC, as the same may be amended from time to time.

           "MCRC" shall mean Massachusetts Capital Resource Company, a special 
purpose Massachusetts limited partnership.  

           "Nondisclosure Agreement" shall mean the letter dated March 27, 1997
by and between CDSI and ASEC, as amended from time to time.

           "1933 Act" means the Securities Act of 1933, as amended, and the 
rules and regulations promulgated thereunder.

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

           "Prime Government Contract" means any Government Contract in 
connection with which ASEC or any of its Subsidiaries is the prime contractor.

           "Proportionate Share" means the percentage interest of a Selling 
Shareholder in ASEC as reflected on Exhibit A to the Agreement.  When used in 
connection with the Cash Portion of the Purchase Price or Stock Portion of the 
Purchase Price, Proportionate Share means that percentage reflected on Exhibit 
A under the column captioned "Cash" or "CDSI Common Stock," respectively, for 
that Selling Shareholder.

           "Public Systems Corporation" means Public Systems Corporation, a
Delaware corporation, and a wholly-owned subsidiary of ASEC.  

           "Purchase Price" means Fifty-One Million Dollars ($51,000,000) minus
Bank Debt in excess of $5,200,000.  The Purchase Price reflects the increase of
$2,300,000 in cash of ASEC relating to the exercise of stock options and 
warrants prior to Closing as well as the expected tax benefit generated thereby
of $3,700,000 and ASEC's continuing obligations to provide insurance benefits 
(at a gross cost not to exceed $75,000) and consulting payments (at a gross 
cost not to exceed $350,007) to Rukin.  The cash generated by the exercise of 
options and warrants and the tax benefit of such exercise will not be 
distributed prior to Closing. 

           "Registration Rights Agreement" means the Registration Rights 
Agreement, dated the Closing Date, by and among CDSI and Henderson (in 
substantially the form of Attachment I to the Agreement), as the same may be 
amended from time to time.

           "SEC" means the Securities and Exchange Commission.

           "Selling Shareholders" shall mean those persons listed on Exhibit A 
to this Agreement.  The Selling Shareholders comprise all of the owners of 
capital stock of ASEC as of the Closing.  Individually, the Selling Share-
holders shall be referred to as a "Selling Shareholder."

           "Selling Shareholders' Representative" shall mean Henderson.

           "Standstill Agreement" means the Standstill Agreement dated the 
Closing Date by and between CDSI and certain of the Selling Shareholders (in 
substantially the form of Attachment II to the Agreement), as the same may be 
amended from time to time. 

           "Stock Portion of the Purchase Price" shall mean that portion of the
Purchase Price, if any, that CDSI elects to pay in the form of CDSI Common
Stock in accordance with the provisions of Section 2.02(a) of this Agreement.  

           "Subsidiary" as it relates to any Person, shall mean a corporation 
more than 50% of whose outstanding securities the Person has the right, other 
than as affected by events of default, directly or indirectly, to vote for the 
election of directors. 

           "Transaction Documents" means the Agreement, the Registration Rights
Agreement, the Standstill Agreement, the Escrow Agreement, the Henderson 
Employment Agreement, the Fagan Employment Agreement and any exhibits, 
schedules or attachments to any of the foregoing, as the same may be amended 
from time to time. 

            "U.S. Government" means the United States Government and any 
agencies,instrumentalities and departments thereof.

      (b)   "To the knowledge," "known by" or "known" (and any similar phrase) 
means (i) with respect to CDSI to the actual knowledge of the Chairman, the 
President and Chief Executive Officer and the Chief Financial Officer, and 
shall be deemed to include a representation that a reasonable investigation 
or inquiry of the subject matter thereof has been conducted by one of the 
specified Persons and (ii) with respect to the Selling Shareholders, to the 
actual knowledge of any of the Selling Shareholders, and shall be deemed to 
include a representation that a reasonable investigation or inquiry of the
subject matter thereof and of employees of ASEC responsible therefore has been 
conducted by one of the specified Persons.

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

            Term                                  Location
            ----                                  --------

            "accredited investor"                 Exhibit C, 
                                                  Section C.26(a)

            "accumulated funding deficiency"      Exhibit C, 
                                                  Section C.22(f)

            "Affiliated Group"                    Exhibit C, 
                                                  Section C.12(f)

            "Another Transaction"                 Section 7.05

            "CDSI Indemnified Parties"            Section 9.06(a)

            "Closing"                             Section 2.03

            "Commonly Controlled Entity"          Exhibit C, 
                                                  Section C.22(a)

            "Deductible Amount"                   Section 9.06(a)

            "Employees"                           Exhibit C, 
                                                  Section C.20

            "Escrow Amount"                       Section 2.04

            "Exclusivity Period"                  Section 7.05

            "Financial Statements"                Exhibit C,
                                                  Section C.5(a)

            "fringe benefit"                      Section 5.01(b)(viii)

            "Government Contract Laws"            Exhibit C, 
                                                  Section C.11(d)

            "Indemnified Claim"                   Section 9.03(a)

            "Indemnified Party"                   Section 9.03(a)

            "Indemnifying Party"                  Section 9.03(a)

            "multi-employer plan"                 Exhibit C, 
                                                  Section C.22(d)

            "multiple employer welfare            Exhibit C,
             arrangement"                         Section C.22(d)

            "parachute" payments                  Section 7.07

            "payoff letters"                      Section 5.09

            "Permits"                             Exhibit C,
                                                  Section C.8

            "Plans"                               Exhibit C, 
                                                  Section C.22

            "prohibited transaction"              Exhibit C, 
                                                  Section C.22(f)

            "Property"                            Exhibit C, 
                                                  Section C.23(a)

            "Referee"                             Section 9.03(c)

            "reportable event"                    Exhibit C, 
                                                  Section C.22(f)

            "Returns"                             Exhibit C,
                                                  Section C.12(a)

            "Rukin"                               Exhibit C, 
                                                  Section C.28

            "Selling Indemnified Parties"         Section 9.06(b)

            "Taxes"                               Exhibit C,
                                                  Section C.12(a)

            "Third Party Claim"                   Section 9.03(a)

            "Transaction Expenses"                Section 7.05

            "welfare plans"                       Exhibit C, 
                                                  Section C.22(e)

                                                                  Exhibit C
                                                                  ---------

             Representations and Warranties of Selling Shareholders
             ------------------------------------------------------

      In order to induce CDSI to enter into this Agreement and to consummate 
the transactions contemplated hereunder, each of the Selling Shareholders, 
jointly and severally, make the following representations and warranties which 
are subject to the disclosure items set forth on the Schedules to the extent 
that such Schedule refers to the Section in which such representation or 
warranty is made: 

      Section C.1.      Organization and Good Standing.  Schedule C.1 sets 
forth a list of the state of incorporation of ASEC and each of its Subsidiaries
and each foreign jurisdiction in which each of ASEC and its Subsidiaries is 
qualified to do business.  ASEC and each of its Subsidiaries is a corporation
duly organized, validly existing and in good standing under the laws of the 
state of its incorporation, and has full power and authority to own, operate 
and lease its properties, to carry on its business as it is now being 
conducted, and to enter into this Agreement and perform its obligations 
hereunder.  ASEC and each of its Subsidiaries is qualified as a foreign
corporation and is in good standing under the laws of each jurisdiction in
which the conduct of its business or the ownership of its properties requires
such qualification, except where such qualification would not have a material 
adverse effect on the Business.  The organizational documents and minutes of 
proceedings of ASEC and each of its Subsidiaries are complete and correct, have
not been amended or repealed since delivery to CDSI, and are in full force and 
effect.

      Section C.2.      Capital Stock/Subsidiaries and Affiliates.

             (a)     Schedule C.2(a) sets forth a true and complete list and 
description of the manner in which all of the outstanding capital stock of ASEC
is legally and beneficially held.  ASEC owns (or will own as of Closing) 100% 
of the issued and outstanding capital stock of each of the Subsidiaries.  ASEC 
International owns 49% of the equity interests in Saudi American Systems 
Engineering Company and ASEC Limited owns approximately 5% of the equity 
interests in Harbor Point Apartments Company Limited Partnership.  Other than 
the shares of capital stock reflected on Schedule C.2(a), at the Closing there 
will be no other issued or outstanding equity securities or instruments 
convertible into equity securities of ASEC or any of its Subsidiaries.  
Neither ASEC nor any Subsidiary is subject to any commitment or obligation 
which would require the issuance or sale of additional shares of its capital 
stock or debt securities at any time under options, subscriptions, warrants, 
rights, calls, preemptive rights, convertible obligations or any other fixed or
contingent obligations, except for those options or warrants to be exercised or
cancelled prior to Closing which are reflected on Schedule C.2(a).

             (b)     Except for the 49% ownership interest of ASEC Inter-
national in the Saudi Arabian Limited Liability Partnership and the 5% interest
of ASEC Limited in Harbor Point Apartments Company Limited Partnership, neither
ASEC nor any of its Subsidiaries owns shares of capital stock or other equity 
interests in any corporation or other entity. 

             (c)     Each of the Selling Shareholders will be at Closing the 
lawful, record and beneficial owner of the number of shares of ASEC Common 
Stock set forth opposite his name on Exhibit A all of which are, or will be as 
of the Closing, free and clear of all Encumbrances of any kind, and the ASEC 
Common Stock owned by the Selling Shareholders constitutes 100% of the issued
and outstanding shares of capital stock of ASEC.  The delivery at the Closing 
of the certificates representing ASEC Common Stock owned by each of the 
Selling Shareholders will transfer to CDSI good and valid title to such 
shares, which title shall be free and clear of all Encumbrances of every 
kind, and each SellingShareholder hereby forever warrants and defends such 
title against claimants thereto.

      Section C.3.      Execution and Effect of Agreement.

             (a)     The execution, delivery and performance of this Agreement 
and the consummation of the transactions contemplated hereby, including, 
without limitation, the sale, conveyance, transfer and assignment of the ASEC 
Shares to CDSI, have been duly and effectively authorized by all necessary 
action on the part of ASEC and each of the Selling Shareholders.  This 
Agreement has been duly executed and delivered by each Selling Shareholder and 
constitutes a legal, valid and binding obligation of each Selling Share-
holder, enforceable in accordance with its terms.

             (b)     Except as set forth on Schedule C.3, neither the execu-
tion, delivery and performance of this Agreement nor the consummation of the 
transactions contemplated hereby will, with or without the passage of time, or 
the giving of notice, or both, (i) violate any of the provisions of the 
certificate of incorporation or by-laws of ASEC or any of its Subsidiaries, 
(ii) violate the provisions of any law, statute or rule, regulation, order, 
award, judgment or decree of any court or authority applicable to a Selling 
Shareholder or ASEC or any of its Subsidiaries, (iii) result in the creation of
any Encumbrance upon any of ASEC Common Stock or any of the assets of ASEC or 
any of its Subsidiaries, (iv) conflict with or result in a breach of or give 
rise to the right of termination of, or constitute a default of, or accelerate 
the performance required by, the terms of any judgment, court order, consent 
decree, statute, ordinance, regulation or any other restriction of any kind or 
character, or any agreement, indenture, mortgage, deed of trust, lease,
contract, note, bond, license, permit, authorization or other instrument to 
or by which ASEC, any of its Subsidiaries or any Selling Shareholder is
party or bound or (v) cause ASEC or any of its Subsidiaries to lose the benefit
of any legal right that it presently enjoys.

      Section C.4.      Consents.  Except as set forth on Schedule C.4, no 
consent or approval of any court, governmental agency or other public 
authority, or of any other person, corporation or entity (including a person or
entity that is a party to any contract) is required as a condition to the 
validity or enforceability of this Agreement or any other instruments to be 
executed by a Selling Shareholder, to effectuate this Agreement, or the 
completion or validity of any of the transactions contemplated by this 
Agreement including the sale, transfer and assignment by the Selling Share-
holders of the ASEC Common Stock.  

      Section C.5.      Financial Statements.   

             (a)     Attached as Schedule C.5 are true and complete copies of 
the audited consolidated balance sheets of ASEC at December 31, 1996 and 1995
and audited statements of cash flows and earnings and retained earnings for 
each of the three years ended December 31, 1996 (collectively, the "Financial 
Statements").  Except as disclosed in Schedule C.5, the Financial Statements 
have been prepared in accordance with GAAP, consistently applied, and fairly
present the financial condition and results of operations of ASEC and its 
Subsidiaries on a consolidated basis at and for the dates and periods 
indicated.

             (b)     There has been no material adverse change in, material 
loss or destruction of, or material amount of damage to, the Business of ASEC 
since December 31, 1996, whether or not arising from transactions in the 
ordinary course of business.  For purposes of this Section C.5(b), the term 
"material" shall mean an amount as to which there is a reasonable likelihood
that a purchaser of ASEC would attach importance in determining the value of
ASEC.  

             (c)     The regular books of account of ASEC and each of its 
Subsidiaries fairly and accurately reflect all transactions since December 31, 
1996 and are true, correct and complete.

             (d)     As of the date of this Agreement, ASEC and its 
Subsidiaries have no liabilities or obligations, whether accrued, absolute, 
contingent or otherwise, except and to the extent (i) reflected or reserved 
against in the Financial Statements, or (ii) as incurred in connection with 
the usual and ordinary course of ASEC's business since December 31, 1996 and
that are reflected in the books of account of ASEC.  At Closing, ASEC will 
have no liabilities or obligations, whether known or unknown, accrued, 
absolute, contingent or otherwise except and to the extent (i) reflected or 
reserved against in the Financial Statements or (ii) of current liabilities 
incurred in connection with the usual and ordinary course of the Business of 
ASEC since December 31, 1996, and that are reflected in the books of account of
ASEC.  No dividends or other distributions to shareholders are due or unpaid by
ASEC.  

      Section C.6.      Lawsuits and Proceedings.  Except as set forth on 
Schedule C.6, there is no suit, claim, action, audit, investigation or 
proceeding before or involving any court (at law or in equity,) arbitration or 
mediation panel, governmental, regulatory or administrative agency or body, nor
do facts or circumstances exist, the consequence of which reasonably could be 
expected to lead to any suit, claim, action, audit (other than in the ordinary 
course of business of ASEC) or investigation pending or threatened against 
ASEC or any of its Subsidiaries or any Selling Shareholder in respect of the
ASEC Common Stock, including but not limited to, OSHA claims, workers' 
compensation claims, employment discrimination claims, wage and hour claims, 
claims arising from or relating to the violation of Environmental Laws or the 
handling of or disposal of Hazardous Waste, claims arising out of laws, rules 
or regulations relating to government contractors generally or under any 
Government Contract Laws or claims involving disputes between employees and 
ASEC or any of its Subsidiaries.  Neither ASEC, any of its Subsidiaries nor 
any Selling Shareholder is in default with respect to any decree, injunction
or other order of any court or governmental authority.

      Section C.7.      Compliance With Laws.   Except as set forth on Schedule
C.7, ASEC and each of its Subsidiaries has conducted its business and main-
tained its assets in compliance with all (and has not received notice of a 
claimed violation of any) Applicable Laws (including, without limitation, all 
such statutes, rules, laws and regulations applicable to government contractors
generally or ASEC or a Subsidiary specifically in respect of a Government 
Contract) and all orders, judgments and decrees of any court or governmental
authority applicable to, binding upon or affecting ASEC or a Subsidiary or 
any of the assets of ASEC or a Subsidiary.  

      Section C.8.      Licenses and Permits.  ASEC and each of its 
Subsidiaries possesses all licenses, permits, and other governmental consents, 
certificates, approvals, or other authorizations (the "Permits") necessary for 
operation of ASEC's Business at the locations and in the manner presently 
operated.  Except as set forth on Schedule C.8, (a) ASEC and each of the 
Subsidiaries have complied with the terms and conditions of all Permits and 
all such Permits are in full force and effect, and (b) there has occurred no
event nor is any event, action, investigation or proceeding pending or 
threatened which could cause or permit revocation or suspension of or other-
wise adversely affect the maintenance of any Permits.  The transactions
contemplated by this Agreement will not lead to the revocation, cancellation,
termination or suspension of any Permits.  

      Section C.9.      Cost Reports and Third Party Receivables.  All cost 
reports for reimbursement of expenses in connection with a government contract
(whether domestic or foreign) required to have been submitted by ASEC or any of
its Subsidiaries have been prepared and filed in accordance with all applicable
rules and regulations.  No amounts are due and owing to any governmental or 
third party payor or any recipient of services provided by ASEC or any 
Subsidiary and no amounts will become due and payable to any third party 
(including, without limitation, governmental or third party payors or any 
recipients of services provided by ASEC or any Subsidiary) following Closing as
a result of or following any audit or inquiry made in respect of any contract 
or arrangement as to which ASEC or any Subsidiary is or was a party.

      Section C.10.     Insurance.  Schedule C.10 sets forth a list and 
description of all policies of fire, casualty, liability, worker's compensa-
tion, life and other forms of insurance carried by ASEC currently, including 
with respect to each policy a description of the types and limits of the 
coverage, the amount of premiums, the name of the carrier, the policy number, 
the expiration date of the current premium period and the nature and amount 
of any claims pending thereunder or asserted within the preceding three 
years.  Each of ASEC and the Subsidiaries has regularly maintained all 
insurance policies in amounts and types required by law and as set forth on 
Schedule C.10.  Each of ASEC and the Subsidiaries is not in default with 
respect to any material provision contained in any insurance policy, nor has 
ASEC or any Subsidiary failed to give any notice or present any claim there-
under in due and timely fashion and no cancellation or non-renewal has been 
threatened or occurred with respect to any policy.  

              Section C.11.     Agreements.

                  (a)     Schedule C.11(a) sets forth a correct and complete 
list of all material written or oral contracts, agreements and other 
instruments to which ASEC or any of the Subsidiaries is a party (other than 
Government Contracts).  Except as set forth on Schedule C.11(a) ASEC or its 
Subsidiary that is a party to each of the contracts set forth on Schedule 
C.11(a) is not in default under, and there exists no event, condition or 
occurrence which with notice, lapse of time or both, would constitute such a 
default.  For purposes of this Section C.11(a), the term "material" shall mean
any contract, agreement or other instrument which could reasonably be expected 
to result in expenditures or revenue of $50,000 or more in the aggregate on 
an annual basis. 

                  (b)     Schedule C.11(b) sets forth a true, complete and 
accurate list of all Government Contracts awarded to ASEC or any Subsidiary, 
and that are currently in effect.  The Government Contracts are in full force 
and are free and clear of any Encumbrances.  

                  (c)     Except as set forth on Schedule C.11(c), there are no
outstanding Bids submitted by ASEC or any Subsidiary to any Governmental 
Authority or any proposed prime contractor to a Governmental Authority.

                  (d)     Except as set forth on Schedule C.11(d), delivery and
performance under the Government Contracts are currently in satisfactory and 
non-delinquent status.  Except as set forth on Schedule C.11(d), the Government
Contracts are not behind schedule, and the Selling Shareholders know of no 
reason why delivery and performance under the Government Contracts will become 
unsatisfactory, behind schedule or delinquent in the future.  Each of ASEC and
the Subsidiaries has complied with all statutory and regulatory requirements in
respect of the Government Contracts (including, without limitation, under the 
Assignment of Contracts Act, the Federal Assignment of Claims Act, the 
Federal Acquisition Regulation, and the Foreign Corrupt Practices Act) 
("GovernmentContract Laws").  Each of ASEC and its Subsidiaries has complied 
with each and everycertification executed, acknowledged or set forth by ASEC
or any Subsidiary in respect of the Government Contracts.  Each of ASEC and the
Subsidiaries has fully complied with each and every representation executed,
acknowledged or set forth by ASEC or any Subsidiary in the Government 
Contracts.  Each of ASEC and the Subsidiaries has fully complied with all 
contract clauses, provisions and requirements incorporated expressly, by 
reference or by operation of law in the Government Contracts to the extent 
their performance thereunder is required as of the date hereof.  Any and all 
facts set forth in or acknowledged by ASEC or any Subsidiary in any certifica-
tions, representations or disclosure statements submitted by ASEC or any 
Subsidiary to any governmental entity in respect of the Government Contracts
are current, accurate and complete as of the date of submission and have been 
updated to the extent required by any applicable law, rule, regulation or 
provision of any of the Government Contracts.  Except as set forth on 
Schedule C.11(d), the Governmental Authority that is a party to a Government 
Contract has not notified ASEC or any Subsidiary, either orally or in writing,
that ASEC or any Subsidiary has breached or violated any regulation, statute, 
certification, representation or contract clause, provision or requirement in 
respect of any Government Contract.  Neither ASEC nor any Subsidiary is 
currently debarred or suspended from doing business with any governmental 
entity and no Selling Shareholder knows of circumstances that would warrant 
the institution of debarment or suspension proceedings in the future with 
respect to ASEC or any Subsidiary.  No show cause notices or cure notices have 
been issued against ASEC or any Subsidiary in respect of the Government 
Contracts.  No default terminations have been issued against ASEC or any 
Subsidiary in respect of the Government Contracts.  No negative determinations
of responsibility have been issued against ASEC or any Subsidiary in respect
of any bid, quotation or proposal submitted by ASEC or any Subsidiary.  
Except as set forth in Schedule C.11(d), no costs incurred by ASEC or any 
Subsidiary in respect of a Government Contract have been formerly questioned
or disallowed as a result of a finding or determination of any kind by the
governmental entity that is a party to such Government Contract.  No govern-
mental entity that is a party to a Government Contract has withheld or set off,
or attempted to withhold or set off, monies due to ASEC or any Subsidiary under
a Government Contract, including, without limitation, with respect to any 
foreign offset requirements.  Except as set forth on Schedule C.11(d), the 
Selling Shareholders do not know, and have no reason to know, of any 
irregularities, misstatements or omissions relating to the Government 
Contracts or the bids, quotations or proposals made in connection with any 
Government Contract or the work performed or to be performed thereunder, that 
have led to or could reasonably be expected to lead to, either before or after 
the date hereof, (i) any administrative, civil or criminal investigations or 
indictment of ASEC or any Subsidiary or any employee of ASEC or any Subsidiary,
(ii) the formal questioning or disallowance of any costs submitted for payment 
by ASEC or any Subsidiary, (iii) the recoupment of any payments previously made
to ASEC or any Subsidiary or (iv) the assessment of any penalties or damages 
of any kind against ASEC or any Subsidiary arising out of such irregular-
ities, misstatements or omissions.  Except as set forth Schedule C.11(d), 
neither ASEC nor any of the Subsidiaries is currently under administrative, 
civil or criminal investigation or indictment with respect to any alleged 
irregularity, misstatement or omission arising under or in any way relating to
any of the Government Contracts.  Except as set forth on Schedule C.11(d), 
there exists (i) no outstanding claims or disputes against ASEC or any 
Subsidiary by any governmental entity or any subcontractor, vendor or third 
party arising under or relating to any Government Contract, and (ii) no facts 
which are known or should be known by ASEC or any Subsidiary or a Selling 
Shareholder upon which such a claim or dispute may be based in the future.  
Except as set forth in Schedule C.11(d), neither ASEC nor any of the 
Subsidiaries is presently undergoing any audit, and neither ASEC nor any of the
Subsidiaries has knowledge or reason to know of any basis for impending audits 
in the future, arising under or relating to any Government Contract.  The 
Selling Shareholders do not know, and have no reason to know, of any reason why
any Government Contract will be terminated, including, without limitation, any 
terminations for default or convenience of the government.

      Section C.12.     Taxes.

                  (a)  ASEC and each of the Subsidiaries has exercised due 
diligence in the preparation of and has duly and timely filed all applicable
tax returns, extensions, declarations or statements ("Returns") with respect to
all income, property, sales, use, gross receipts, value-added, profits, 
occupancy, employment, excise, withholding, customs duties or other taxes of 
any nature whatsoever, whether of the United States, a state or otherwise, 
including, without limitation, penalties and interest thereon, ("Taxes") 
required to be filed to the date hereof and, as of the Closing Date, to the 
Closing Date. All Taxes shown on the Returns or pursuant to any declarations or
assessments received by ASEC or any Subsidiary (including estimated taxes, 
penalties and interest) have been duly and timely paid, or, if not yet due, 
properly accrued and reserved for and reflected in the books of account of ASEC
or any Subsidiary.  All such Returns are true, correct and complete, no audit 
or investigation of any such Returns is in progress, pending or threatened.  
There exists no tax deficiency or unpaid tax assessed by any authority against
ASEC or any Subsidiary.  

                  (b)  There are no waivers of statutes of limitations in 
effect for any Taxes with respect to ASEC or any Subsidiary.  No extension of 
time is in effect for the assessment of deficiencies by any taxing authority 
against ASEC or any Subsidiary with respect to any Taxes or Returns for any 
year.

                  (c)  All tax accruals and deferrals are properly and 
accurately reflected on the Financial Statements.

                  (d)  ASEC and each of the Subsidiaries has duly and properly
deducted and accounted for all amounts which it has been obligated to deduct or
withhold in respect of Taxes.

                  (e)  Schedule C.12(e) contains a list of all states and other
jurisdictions where each Transferor has filed Returns during the past three 
years or expects to file Returns during the current calendar year and each 
state where ASEC or any Subsidiary joins in the filing of combined or unitary
state tax returns.

                  (f)  Neither ASEC nor any of its Subsidiaries has been a 
member of an "Affiliated Group," as that term is defined in Section 1504(q) of
the Code or for applicable state, local or foreign tax purposes.

      Section C.13.     Banks and Deposits.   Schedule C.13 sets forth the name
of each bank or other depository in which ASEC or any Subsidiary has an 
account, the number assigned to each account, and the names of all persons 
authorized to draw thereon. Neither ASEC nor any of its Subsidiaries has any 
custody arrangements.

      Section C.14.     Claims of Directors, Officers, Etc.  Except as set 
forth on Schedule C.14, no employee, director or officer of ASEC or any 
Subsidiary, either individually or in any other capacity, has a claim of any 
kind whatsoever (including, without limitation, in respect of loans extended to
ASEC or any Subsidiary and any bonus or incentive payments) against ASEC or any
Subsidiary, except the right to his current salary or wages, any accrued 
vacation pay, and reasonable reimbursable expenses arising in the ordinary 
course of business.  Except as set forth on Schedule C.14, there are no 
outstanding loans, obligations or open account advances payable to ASEC or any 
of its Subsidiaries by any Selling Shareholder or any current or former 
officer, director or employee of ASEC or any of its Subsidiaries and there are 
no guarantees, endorsements or other obligations of ASEC or any of its 
Subsidiaries with respect to any indebtedness, obligation or liability of any 
of the foregoing persons. 

      Section C.15.     Affiliate Transactions.  Schedule C.15 sets forth a 
true and complete list of all amounts that are due and payable (including 
amounts that have arisen in respect of intercompany transactions) by any 
Affiliate of ASEC to ASEC or any of its Subsidiaries.  

      Section C.16.     Intellectual Property.  Schedule C.16 contains a true,
correct and complete list and description of all Intellectual Property, 
including all license agreements pursuant to which any Intellectual Property is
licensed to or by ASEC or any of its Subsidiaries.  The conduct of the Business
of ASEC and its Subsidiaries does not infringe upon, conflict with, or violate
the rights of others in respect of any Intellectual Property and none of the 
Selling Shareholders or ASEC or any of its Subsidiaries have received notice 
that any claim or proceeding is pending or threatened in respect of any such
Intellectual Property or that ASEC or any of its Subsidiaries has infringed
upon, conflicted with, or violated any patent, patent right, trademark,
service mark, tradename, copyright or trade secret of any third party.

      Section C.17.     Extraordinary Transactions.  Except as set forth on
Schedule C.17, since December 31, 1996, neither ASEC nor any of its 
Subsidiaries has, nor as of the Closing will have (i) mortgaged, pledged or 
subjected to any Encumbrance any of its assets; (ii) canceled or compromised 
any claim of or debts owed to it; (iii) except in the ordinary course of 
business, sold, leased or transferred any of its assets; (iv) sold, assigned
or transferred any of the Intellectual Property; (v) waived any rights; 
(vi) entered into any material transaction other than in the ordinary course
of business; (vii) suffered any material change in the relationship or course
of dealing with any material supplier, customer or creditor; (viii) suffered 
any material destruction, loss or damage to any of its assets; (ix) made any 
management decisions involving any material change in its policies with regard 
to pricing, per diem rates, sales, purchasing or other business, financial, 
accounting (including reserves and the amounts thereof) or tax policies or 
practices; (x) declared or paid any dividends on or made any distributions in 
respect of any outstanding shares of capital stock or made any other 
distributions or payments (except for salary or wages paid in the ordinary 
course of business and not in excess of the amounts reflected on Schedule C.20)
of any kind to any of the Selling Shareholders or their Affiliates; or (xi) 
submitted any Bid to any Governmental Authority or third party in response to a
request for proposal or otherwise.  

      Section C.18.     Accounts Receivable.  All information set forth in the
balance sheet of ASEC and its Subsidiaries as of the Closing with respect to 
accounts receivable of ASEC and each of the Subsidiaries will be true, accurate
and complete as the date thereof, and there will be no material adverse change
with respect to the amount, validity, or collectibility of any accounts 
receivable of ASEC or any Subsidiary other than decreases in the amount of 
accounts receivable due to collection in the ordinary course of business since 
the Closing Date.  Such accounts receivable will be good and collectible in 
amounts equal to the aggregate face amounts thereof after giving effect to 
any reserves for bad debts and contractual allowances which are set forth in 
the balance sheet of ASEC and its Subsidiaries as of the Closing.  

      Section C.19.     Broker and Finder Fees.  ASEC and the Selling 
Shareholders have not engaged any broker or finder in connection with this 
transaction, and no action by any of the foregoing will cause or support any 
claim to be asserted against ASEC, its Subsidiaries or CDSI by any broker, 
finder or intermediary in connection with this transaction.

      Section C.20.     Employees.  Schedule C.20 sets forth a true, correct 
and complete list of all current employees of ASEC and each of its Subsidiaries
(the "Employees") together with the salary and any bonus, if applicable, paid 
to the Employee during the preceding 12 month period as well as any accrued and
unpaid benefits due to the Employee, if any.

      Section C.21.     Employment Matters.  No Employees are members of any 
collective bargaining unit or a party to any union agreement.  No union 
organizing activities are taking place or have taken place within the past two 
years.  Except as set forth on Schedule C.21, ASEC and its Subsidiaries do not 
have any employment agreements with any Employees.  All accrued or vested 
vacation pay is reflected on Schedule C.21.  Except as set forth on Schedule
C.21, neither ASEC nor any Subsidiary is liable for any arrearage of wages or 
any tax or penalty for failure to comply with any Applicable Laws relating to
employment or labor, and there is not a controversy pending, threatened or
in progress between ASEC and its Employees nor is there any basis for such a
controversy.  Each of ASEC and the Subsidiaries is in compliance with all laws
respecting occupational health and safety, employment, employment practices, 
and terms and conditions of employment, wages and hours, and is not engaged in
any unfair labor practice and there is not now pending or threatened any charge
or complaint against ASEC or any Subsidiary by any governmental labor or 
employment agency or any representative thereof and the consummation of the 
transactions contemplated by this Agreement will not result in any such 
charge or complaint. 

      Section C.22.     Employee Benefit Matters.  The plans, programs, 
contracts, understandings and arrangements described in this Section C.22 and 
listed on Schedule C.22 are hereinafter referred to as the "Plans".  

                  (a) Except as set forth on Schedule C.22, there are no plans,
programs, contracts, understandings or arrangements of any type (whether oral 
or written) of ASEC or a "Commonly Controlled Entity" (within the meaning of 
Sections 414(b), (c), (m), (n) or (o) of the Code or regulations thereunder) 
which provide for pension, profit sharing, savings, executive compensation, 
incentive compensation, company cars or car allowances, deferred compensation, 
severance pay, bonuses, stock options, stock purchases, welfare, group 
insurance, medical disability, life, health, hospitalization, dental, vacation,
sick pay, holiday, educational assistance, or any other form of employee or 
former employee benefits, whether established by contract, policy, custom or
course of dealing, (including, but not limited to plans described in Section 
3(3) of ERISA); and neither ASEC nor a Commonly Controlled Entity has 
previously sponsored or contributed to any such plan, program, contract, 
understanding or arrangement other than as listed or described on Schedule 
C.22.

                  (b) Neither ASEC nor any Commonly Controlled Entity has ever
maintained a plan which is subject to Title IV of ERISA.

                  (c) Neither ASEC nor any Commonly Controlled Entity has ever
been a party to any collective bargaining agreement.

                  (d) Neither ASEC nor any Commonly Controlled Entity has ever
maintained or contributed to a "multi-employer plan" within the meaning of 
Sections 3(37) and 4001(a)(3) of ERISA, a "multiple employer plan" within the 
meaning of Section 413 of the Code, or a "multiple employer welfare 
arrangement" within the meaning of Section 3(40) of ERISA.

                  (e) With respect to the Plans which are "welfare plans" 
within the meaning of Section 3(1) of ERISA:  (i) none of those plans provide 
medical or death benefits (whether or not insured) with respect to current or 
former employees beyond their termination of employment; and (ii) each of those
plans has been operated in material compliance with the provisions of Section
4980B of the Code and Part 6 of Title I of ERISA and all other applicable laws
concerning continuation or conversion of coverage; and (iii) none of those 
plans has any reserves, assets, surplus or prepaid premiums.

                  (f) With respect to each of the Plans:  (i) if intended to
qualify under Section 401(a) or 403(a) of the Code, the plan has been 
maintained and administered at all times in compliance with its terms and
applicable laws and regulations and has been so qualified during the period
from its adoption to date and the trust forming a part thereof is exempt from 
taxation pursuant to Section 501(a) of the Code, a favorable determination 
letter as to qualification under Section 401 of the Code has been issued and
any amendments required for continued qualification under Section 401 of the
Code have been timely adopted and nothing has occurred subsequent to the date 
of such determination letter that could adversely affect the qualified status 
of such Plan; (ii) no event has occurred and there exists no circumstance under
which ASEC could directly, or indirectly through a Commonly Controlled Entity, 
incur any liability with respect to any current or former employee (or any 
beneficiary of any current or former employee) of ASEC or any Commonly 
Controlled Entity under ERISA, the Code or otherwise; (iii) there are no 
actions, suits or claims pending or threatened with respect to any Plan or
against any fiduciary or the assets of any Plan and there are no facts which
could give rise to any such actions, suits or claims, and no Plan is under
audit or investigation by any governmental authority; (iv) no event has 
occurred with respect to any Plan or any employee benefit plan sponsored,
maintained or contributed to by ASEC or a Commonly Controlled Entity which 
could subject any Plan, ASEC or CDSI, directly or indirectly (through 
indemnification agreement or otherwise) to any liability for or as a result of
a breach of fiduciary duty, a "prohibited transaction" within the meaning of 
Section 406 of ERISA or Section 4975 of the Code, or a civil penalty under 
Section 502 of ERISA or a tax under Section 4971 of the Code; (v) no 
"reportable event" (as defined in Section 4043 of ERISA) has occurred; (vi) no
"accumulated funding deficiency" (as defined in Section 302 of ERISA or Section
412 of the Code) has occurred; (vii) all contributions required to be made to,
or benefit liabilities arising under, any Plan for all periods prior to the
date hereof and the Closing Date have been, or will as of the Closing Date
be, paid or accrued; (viii) all contributions have met the requirements for
deductibility under the Code; (ix) each Plan has been operated in accordance 
with its terms and with all applicable laws, including, but not limited to 
ERISA, the Code, and state insurance and health care continuation and 
conversion laws. 

                  (g) Except as set forth on Schedule C.22, consummation of the
transactions contemplated by this Agreement will not (i) entitle any individual
to any bonus, incentive or severance pay or payments, or (ii) accelerate the 
time of payment or vesting of any benefit under any Plan, increase the amount 
of compensation due to any individual from ASEC following Closing, or increase
any benefits otherwise payable under any Plan, (iii) result in the payment of 
an amount subject to the provisions of Section 280G of the Code, or (iv) give 
rise to any liability or obligation of a Transferor pursuant to any Plan.

                  (h) With respect to each Plan, ASEC has delivered to CDSI 
true and complete copies of: (i) the plan document;, if any; (ii) any trust 
agreements, (iii) all material employee communications (including, but not 
limited to, any summary plan description); (iv) the last three annual reports 
(Treasury Forms 5500), including schedules thereto; (v) the most recent annual 
and periodic accounting of plan assets; (vi) the most recent actuarial 
valuation; (vii) the most recent favorable determination letter received from 
the Internal Revenue Service; (viii) any insurance contract currently in 
effect; (ix) any investment management agreement currently in effect; (x) any
service provider agreement currently in effect; (xi) any other agreement 
relating to a Plan or to which a Plan is a party.

                  (i) As of the date of this Agreement, neither ASEC nor a 
Commonly Controlled Entity has adopted or communicated to Employees any change 
to, or termination of, any Plan or the adoption of a new employee benefit plan 
or arrangement affecting the employees of the Transferor or their dependents.

                  (j) Except as set forth on Schedule C.22(j), ASEC is not 
bound to make, nor has ASEC proposed the making of, any bonus or incentive or 
other similar payment to any Employee or consultant at any future date or an 
increase to the compensation of any Employee or consultant.  Neither ASEC nor 
any Subsidiary will be liable by reason of this Agreement or any of the 
transactions contemplated hereby, to make any payment to any employee by way
of damages or compensation for loss of office or for redundancy or unfair
dismissal or any like payment. 

      Section C.23.     Environmental Matters.  

                  (a) The facilities occupied or used by ASEC and any of its 
Subsidiaries and any other real property presently or formerly owned by, used 
by or leased to ASEC and any of its Subsidiaries or by ASEC and any of its 
Subsidiaries (collectively, the "Property"), the existing and prior uses of the
Property and all operations of the Business of ASEC and its Subsidiaries or any
predecessor of a ASEC and its Subsidiaries comply and have at all times 
complied in all material respects with all Environmental Laws and each of ASEC 
and its Subsidiaries is not in violation of nor has it violated, in connection 
with the ownership, use, maintenance or operation of such Property or the 
conduct of its business, any Environmental Law.  

                  (b) Each of ASEC and its Subsidiaries has all material 
permits, registrations, approvals and licenses required by any governmental 
agency or Environmental Law.

                  (c) There are no claims, notices of violations, notice 
letters, investigations, inquiries or other proceedings now pending or 
threatened by any governmental entity or any foreign governmental entity or 
third party with respect to the Business or any Property (or any predecessor in
interest) in connection with any actual or alleged failure to comply with any
requirement of any Environmental Law.  

      Section C.24.     Real Property.  Neither ASEC nor any of the 
Subsidiaries owns any real property.  Set forth on Schedule C.24 is a true, 
correct and complete list of all real property leased by ASEC and its 
Subsidiaries.  Except as noted on Schedule C.24, none of the agreements under 
which any of the real property set forth thereon is leased to ASEC or any of 
its Subsidiaries requires the consent or approvalof any third party as a result
of the transactions contemplated by this Agreement.  Onor prior to Closing, the
Selling Shareholders shall cause to be delivered to CDSI the written consent
(in form and content satisfactory to CDSI) of each of the parties whose consent
is required to the transactions contemplated by this Agreement under the terms
of the lease agreements set forth on Schedule C.24.  

      Section C.25.     Title to Assets.  ASEC or a Subsidiary, as the case may
be, has good and marketable title to all of the assets reflected in the 
Financial Statements, free and clear of all Encumbrances, except for the 
Encumbrances reflected on Schedule C.25.  At the Closing, each of the 
Encumbrances will be removed and all of the assets of ASEC and its Subsidiaries
will be free and clear of all Encumbrances of any kind or nature whatsoever.  

      Section C.26.     Investment Representations.  

                  (a) Each of the Selling Shareholders who is to receive shares
of CDSI Common Stock as part of the Purchase Price is aware that the CDSI 
Common Stock being delivered pursuant to Section 2.02 of this Agreement is not
being registered under the Securities Act of 1933, as amended.  Each Selling 
Shareholder who is to receive shares of CDSI Common Stock as part of the 
Purchase Price possesses such knowledge and experience in business and 
financial matters (individually or through their respective representatives)
that such Selling Shareholder is capable of evaluating the merits and risks
of an investment in CDSI.   

                  (b) Each Selling Shareholder who is acquiring CDSI Common 
Stock as part of the Purchase Price is acquiring the CDSI Common Stock being 
delivered pursuant to Section C.02 of this Agreement for his own account, for 
investment purposes only and not with a view to distribution thereof.  Each of
the Selling Shareholders understands and agrees that the CDSI Common Stock may
not be sold, transferred, offered for sale, pledged, hypothecated or otherwise
disposed of by such entity or person except pursuant to a valid exemption from
registration under the 1933 Act.

      Section C.27.     Adverse Business Conditions.  The Selling Shareholders
have no knowledge or information of any conditions, facts, developments or 
circumstances which would have a material adverse effect upon the business, 
assets, financial condition, operating results, customer, supplier and Employee
relations, or business prospects of ASEC and its Subsidiaries taken as a whole.
Without limiting the foregoing, the Selling Shareholders have no knowledge, 
after due inquiry, of any written or oral communication, fact, event or action 
that exists or has occurred that would tend to indicate that any customer will
terminate its business relationship with ASEC following Closing.  

      Section C.28.     Arrangements With Michael B. Rukin.  Schedule C.28 sets
forth a true, complete and accurate list of each and every claim or right of 
any kind whatsoever (including without limitation, in respect of loans extended
to ASEC or any Subsidiary or any bonus or incentive payments) against ASEC or 
any of its Subsidiaries which Michael B. Rukin ("Rukin") currently has.  Rukin
has no claims against any Selling Shareholder in respect of any of the ASEC 
Shares.  

                                                          EXHIBIT D
                                                          ---------


                      Representations and Warranties of CDSI
                      --------------------------------------

      In order to induce each of the Selling Shareholders to enter into this 
Agreement and to consummate the transactions contemplated hereunder, CDSI makes
the following representations and warranties:

      Section D.1.      Organization and Good Standing.  CDSI is a corporation
duly organized, validly existing and in good standing under the laws of the 
State of Maryland and has full corporate power and authority to carry on its 
business as it is now being conducted.

      Section D.2.      Execution and Effect of Agreement.  CDSI has the 
corporate power and authority to enter into this Agreement and to perform the 
obligations to be performed by CDSI hereunder, and the execution and delivery 
of this Agreement and the consummation of the transactions contemplated hereby
have been duly authorized by all necessary corporate action.  This Agreement 
has been duly executed and delivered by CDSI and constitutes a legal, valid 
and binding obligation of CDSI, enforceable against CDSI in accordance with
its terms.

      Section D.3.      Restrictions.  Neither the execution and delivery of 
this Agreement nor the consummation of the transactions contemplated hereby 
will violate any of the provisions of the charter or by-laws of CDSI.  

      Section D.4.      Consents.  No consent or approval of any court, 
governmental agency or other public authority, or of any other person, 
corporation or entity is required as a condition to (a) the validity or 
enforceability of this Agreement or any other instruments to be executed by 
CDSI to effectuate this Agreement, or (b) the completion or validity of any of
the transactions contemplated by this Agreement, except for compliance with and
approval under the H-S-R Act, compliance with federal and state securities
laws in connection with the issuance of CDSI Common Stock and other consents 
or approvals contemplated by this Agreement.

      Section D.5.      No Lawsuits.  There is no lawsuit, proceeding or 
investigation pending or, to the knowledge of CDSI, threatened against CDSI the
effect of which could reasonably be expected to prevent the consummation of any
of the transactions contemplated hereby.

      Section D.6.      Broker and Finder Fees.  Other than Quarterdeck 
Investment Partners, Inc., CDSI has not engaged any broker or finder in 
connection with this transaction, and no action by CDSI will cause or support 
any claim to be asserted against the Selling Shareholders by any broker, finder
or intermediary in connection with this transaction.

      Section D.7.      CDSI Common Stock.  In the event that CDSI elects to 
pay a portion of the Purchase Price by the issuance of shares of CDSI Common 
Stock in accordance with Section 2.02 of this Agreement, the shares of CDSI 
Common Stock issued to the Selling Shareholders will be fully paid and non-
assessable shares.

      Section D.8.      Financing.  CDSI has, or will have on or prior to the 
Closing Date, financing sufficient to pay the Cash Portion of the Purchase 
Price.  

      Section D.9.      Financial Statements.  Attached hereto as Schedule D.9
are (i) the Annual Report to Stockholders on Form 10-K for the fiscal year 
ended June 30, 1996 and Quarterly Report on Form 10-Q for the period ended 
March 31, 1997 which includes (1) the unaudited consolidated balance sheet of 
CDSI as of March 31, 1996; (2) the unaudited consolidated statements of changes
in stockholders equity for the nine months ended March 31, 1996 and 1995; (3) 
the unaudited consolidated statement of income for the nine months ended March
31, 1996 and 1995; and (4) the unaudited consolidated statements of cash 
flow for the nine months ended March 31, 1996 and 1995 together with the notes
to those consolidated statements (the "CDSI Financial Statements").  Subject to
the absence of certain footnote information in the unaudited statements, the 
CDSI Financial Statements have been prepared in accordance with generally 
accepted accounting principles applied on a consistent basis throughout the 
periods indicated or as more particularly set forth therein.  The unaudited 
consolidated balance sheets included as part of the CDSI Financial Statements 
present fairly as of their respective dates the consolidated financial position
and assets and liabilities of CDSI.  The unaudited consolidated statements of 
income included as part of the CDSI Financial Statements present fairly the 
consolidated results of operations of CDSI for the periods indicated. 



For Immediate Release: June 18, 1997          NASDAQ Ticker Symbol: CDSI


                         COMPUTER DATA SYSTEMS, INC. 
                      COMPLETS ACQUISITION OF ANALYTICAL
                      SYSTEMS ENGINEERING CORPORATION

Contact:  John C. Kezer   (301) 921-7017

Computer Data Systems, Inc. (CDSI) announced today that it has completed the
acquisition of  Analytical Systems Engineering Corporation (ASEC) for $51
million. CDSI and ASEC announced the acquisition on May 30.  

With the deal's closing, CDSI has acquired all of ASEC's outstanding capital
stock. Ninety percent of the purchase price was paid in cash and 10 percent was
paid in shares of CDSI stock valued for purposes of the agreement at $27.50 per
share.

"This marks a positive step for CDSI," said CEO and President Peter A. Bracken.
"We are confident that we are on the leading edge of the acquisition activity
that is building up in the information technology services area. ASEC, with its
strong base in the intelligence and defense markets, greatly enhances our
existing capabilities in those areas. We look forward to growth opportunities as
a result of this ASEC purchase and future acquisitions." 

The Burlington, Mass-based ASEC is a premier provider of engineering and
technical services primarily to the intelligence community and to Department of
Defense agencies. ASEC employs more than 550 people in 15 locations throughout
the United States and internationally. The previously privately held company
will operate as a wholly-owned subsidiary of CDSI. ASEC President James
Henderson will remain in that position and also join CDSI's Board of Directors.

"ASEC needed an alliance with a strong information technology company to
enhance growth in our current markets," Henderson said. "CDSI brings the 
essential, complementary skills. I look forward to the new opportunities that 
will be created by this relationship." 

Computer Data Systems, Inc., founded in 1968, is a recognized leader in
providing broad-based information technology solutions for government and
commercial customers. CDSI's services include systems integration, custom
software development, data center management, proprietary applications software
and value-added processing.





                           COMPUTER DATA SYSTEMS, INC.






                                   $75,000,000

                                CREDIT AGREEMENT

                            dated as of June 13, 1997

                               NATIONSBANK, N.A.,

                             as Administrative Agent


















                                TABLE OF CONTENTS
                                -----------------

                                                                            Page
SECTION 1.   DEFINITIONS  . . . . . . . . . . . . . . . . . . . . . . . .     1
      1.1   Defined Terms . . . . . . . . . . . . . . . . . . . . . . . .     1
      1.2   Other Definitional Provisions . . . . . . . . . . . . . . . .    17
SECTION 2.  AMOUNT AND TERMS OF TERM LOAN COMMITMENTS . . . . . . . . . .    18
      2.1   Term Loans  . . . . . . . . . . . . . . . . . . . . . . . . .    18
      2.2   Procedure for Term Loan Borrowing . . . . . . . . . . . . . .    18
      2.3   Amortization of Term Loans  . . . . . . . . . . . . . . . . .    19
      2.4    Use of Proceeds of Term Loans  . . . . . . . . . . . . . . .    19
SECTION 3.  AMOUNT AND TERMS OF REVOLVING CREDIT COMMITMENTS  . . . . . .    19
      3.1   Revolving Credit Commitments  . . . . . . . . . . . . . . . .    19
      3.2   Procedure for Revolving Credit Borrowing  . . . . . . . . . .    20
      3.3   Use of Proceeds of Revolving Credit Loans . . . . . . . . . .    20
      3.4   Swing Line Loan Commitments . . . . . . . . . . . . . . . . .    20
      3.5   Procedure for Swing Line Loans Borrowing  . . . . . . . . . .    20
      3.6   Use of Proceeds of Swing Line Loans . . . . . . . . . . . . .    21
      3.7   Refunding Swing Line Loans  . . . . . . . . . . . . . . . . .    21

SECTION 4. AMOUNT AND TERMS OF LETTER OF CREDIT SUB-FACILITY  . . . . . .    22
      4.1   L/C Commitment  . . . . . . . . . . . . . . . . . . . . . . .    22
      4.2   Procedure for Issuance of Letters of Credit . . . . . . . . .    23
      4.3   Fees, Commissions and Other Charges.  . . . . . . . . . . . .    23
      4.4   L/C Participations  . . . . . . . . . . . . . . . . . . . . .    24
      4.5   Reimbursement Obligation of the Borrower  . . . . . . . . . .    25
      4.6   Obligations Absolute.   . . . . . . . . . . . . . . . . . . .    25
      4.7   Letter of Credit Payments . . . . . . . . . . . . . . . . . .    26
      4.8   Application . . . . . . . . . . . . . . . . . . . . . . . . .    26

SECTION 5.  PROVISIONS RELATING TO THE EXTENSIONS OF CREDIT; FEES
            AND PAYMENTS  . . . . . . . . . . . . . . . . . . . . . . . .    26
      5.1   Repayment of Loans; Evidence of Indebtedness  . . . . . . . .    26
      5.2   Commitment Fee  . . . . . . . . . . . . . . . . . . . . . . .    27
      5.3   Agent's Fees  . . . . . . . . . . . . . . . . . . . . . . . .    27
      5.4   Optional Prepayments  . . . . . . . . . . . . . . . . . . . .    27
      5.5   Optional Termination or Reduction of Commitments  . . . . . .    28
      5.6   Mandatory Prepayments   . . . . . . . . . . . . . . . . . . .    28
      5.7   Application of Prepayments  . . . . . . . . . . . . . . . . .    28
      5.8   Conversion and Continuation Options   . . . . . . . . . . . .    29
      5.9   Minimum Amounts and Maximum Number of Tranches  . . . . . . .    30
      5.10   Interest Rates and Payment Dates   . . . . . . . . . . . . .    30
      5.11   Computation of Interest and Fees   . . . . . . . . . . . . .    31
      5.12   Inability to Determine Interest Rate . . . . . . . . . . . .    31
      5.13   Pro Rata Treatment and Payments  . . . . . . . . . . . . . .    32
      5.14   Illegality . . . . . . . . . . . . . . . . . . . . . . . . .    33
      5.15   Requirements of Law  . . . . . . . . . . . . . . . . . . . .    33
      5.16   Taxes  . . . . . . . . . . . . . . . . . . . . . . . . . . .    34
      5.17   Indemnity  . . . . . . . . . . . . . . . . . . . . . . . . .    36
      5.18   Change of Lending Office . . . . . . . . . . . . . . . . . .    36
SECTION 6.  REPRESENTATIONS AND WARRANTIES  . . . . . . . . . . . . . . .    37
      6.1   Financial Condition . . . . . . . . . . . . . . . . . . . . .    37
      6.2   No Change . . . . . . . . . . . . . . . . . . . . . . . . . .    37
      6.3   Disclosure  . . . . . . . . . . . . . . . . . . . . . . . . .    38
      6.4   Corporate Existence; Compliance with Law  . . . . . . . . . .    38
      6.5   Corporate Power, Authorization, Enforceable Obligations . . .    38
      6.6   No Legal Bar  . . . . . . . . . . . . . . . . . . . . . . . .    38
      6.7   No Material Litigation  . . . . . . . . . . . . . . . . . . .    39
      6.8   No Default  . . . . . . . . . . . . . . . . . . . . . . . . .    39
      6.9   Ownership of Property; Liens  . . . . . . . . . . . . . . . .    39
      6.10   Intellectual Property  . . . . . . . . . . . . . . . . . . .    39
      6.11   Taxes  . . . . . . . . . . . . . . . . . . . . . . . . . . .    39
      6.12   Federal Regulations  . . . . . . . . . . . . . . . . . . . .    40
      6.13   ERISA  . . . . . . . . . . . . . . . . . . . . . . . . . . .    40
      6.14   Investment Company Act; Other Regulations  . . . . . . . . .    40
      6.15   Subsidiaries . . . . . . . . . . . . . . . . . . . . . . . .    40
      6.16   Pledge Agreements  . . . . . . . . . . . . . . . . . . . . .    41
      6.17   Environmental Matters  . . . . . . . . . . . . . . . . . . .    41
      6.18   Solvency . . . . . . . . . . . . . . . . . . . . . . . . . .    42
      6.19   Guarantees . . . . . . . . . . . . . . . . . . . . . . . . .    42
SECTION 7.  CONDITIONS PRECEDENT  . . . . . . . . . . . . . . . . . . . .    42
      7.1   Conditions to Initial Extensions of Credit  . . . . . . . . .    42
      7.2   Conditions to Each Extension of Credit  . . . . . . . . . . .    44
SECTION 8.  AFFIRMATIVE COVENANTS . . . . . . . . . . . . . . . . . . . .    45
      8.1   Financial Statements  . . . . . . . . . . . . . . . . . . . .    45
      8.2   Certificates; Other Information . . . . . . . . . . . . . . .    46
      8.3   Payment of Obligations  . . . . . . . . . . . . . . . . . . .    46
      8.4   Conduct of Business and Maintenance of Existence  . . . . . .    47
      8.5   Maintenance of Property; Insurance  . . . . . . . . . . . . .    47
      8.6   Inspection of Property; Books and Records; Discussions  . . .    47
      8.7   Notices . . . . . . . . . . . . . . . . . . . . . . . . . . .    48
      8.8   Environmental Laws. . . . . . . . . . . . . . . . . . . . . .    49
      8.9   Further Assurances. . . . . . . . . . . . . . . . . . . . . .    49
      8.10 Additional Subsidiaries  . . . . . . . . . . . . . . . . . . .    49
SECTION 9.  NEGATIVE COVENANTS  . . . . . . . . . . . . . . . . . . . . .    50
      9.1   Financial Condition Covenants.  . . . . . . . . . . . . . . .    50
      9.2   Limitation on Indebtedness and Preferred Stock  . . . . . . .    51
      9.3   Limitation on Liens . . . . . . . . . . . . . . . . . . . . .    52
      9.4   Limitation on Fundamental Changes . . . . . . . . . . . . . .    53
      9.5   Limitation on Sale of Assets  . . . . . . . . . . . . . . . .    54
      9.6   Limitation on Investments, Loans, Guarantee Obligations and 
            Advances . . . . . . . . . . . . . . . . . . . . . . . . .  .    54
      9.7   Limitation on Transactions with Affiliates  . . . . . . . . .    55
      9.8   Limitation on Changes in Fiscal Year  . . . . . . . . . . . .    55
      9.9   Limitation on Negative Pledge Clauses . . . . . . . . . . . .    55
      9.10   Limitation on Lines of Business  . . . . . . . . . . . . . .    55
SECTION 10.  EVENTS OF DEFAULT  . . . . . . . . . . . . . . . . . . . . .    56
SECTION 11.  THE ADMINISTRATIVE AGENT . . . . . . . . . . . . . . . . . .    59
      11.1   Appointment  . . . . . . . . . . . . . . . . . . . . . . . .    59
      11.2   Delegation of Duties . . . . . . . . . . . . . . . . . . . .    59
      11.3   Exculpatory Provisions   . . . . . . . . . . . . . . . . . .    59
      11.4   Reliance by Administrative Agent . . . . . . . . . . . . . .    60
      11.5   Notice of Default  . . . . . . . . . . . . . . . . . . . . .    60
      11.6   Non-Reliance on Administrative Agent and Other Lenders . . .    60
      11.7   Indemnification  . . . . . . . . . . . . . . . . . . . . . .    61
      11.8   Administrative Agent in its Individual Capacity  . . . . . .    61
      11.9   Successor Administrative Agent . . . . . . . . . . . . . . .    62
SECTION 12.  MISCELLANEOUS  . . . . . . . . . . . . . . . . . . . . . . .    62
      12.1   Amendments and Waivers . . . . . . . . . . . . . . . . . . .    62
      12.2   Releases of Collateral Security and Guarantee Obligations  .    63
      12.3   Notices  . . . . . . . . . . . . . . . . . . . . . . . . . .    63
      12.4   No Waiver; Cumulative Remedies . . . . . . . . . . . . . . .    64
      12.5   Survival of Representations and Warranties . . . . . . . . .    65
      12.6   Payment of Expenses and Taxes  . . . . . . . . . . . . . . .    65
      12.7   Termination  . . . . . . . . . . . . . . . . . . . . . . . .    65
      12.8   Successors and Assigns; Participations and Assignments   . .    66
      12.9   Adjustments; Set-off . . . . . . . . . . . . . . . . . . . .    68
      12.10   Counterparts  . . . . . . . . . . . . . . . . . . . . . . .    69
      12.11   Severability  . . . . . . . . . . . . . . . . . . . . . . .    69
      12.12   Integration . . . . . . . . . . . . . . . . . . . . . . . .    69
      12.13   GOVERNING LAW . . . . . . . . . . . . . . . . . . . . . . .    69
      12.14   Submission To Jurisdiction; Waivers . . . . . . . . . . . .    69
      12.15   Acknowledgments . . . . . . . . . . . . . . . . . . . . . .    70
      12.16   WAIVERS OF JURY TRIAL . . . . . . . . . . . . . . . . . . .    70
      12.17   Confidentiality . . . . . . . . . . . . . . . . . . . . . .    70




                                    SCHEDULES
                                    ---------

Schedule I    Lenders; Addresses for Notices
Schedule II   Commitments and Commitment Percentages
Schedule III  ERISA Matters
Schedule IV   Subsidiaries
Schedule V    Environmental Matters
Schedule VI   Indebtedness
Schedule VII  Liens
Schedule VIII Existing Investments

                                    EXHIBITS
                                    --------

Exhibit  A    Form of Term Loan Note
Exhibit  B    Form of Revolving Credit Note
Exhibit  C    Form of Swing Line Note
Exhibit  D    Form of Subsidiaries Stock Pledge Agreement
Exhibit  E    Form of Subsidiaries Guarantee
Exhibit  F-1  Form of Notice of Borrowing (Drawings)
Exhibit  F-2  Form of Notice of Borrowing (Continuations)
Exhibit  F-3  Form of Notice of Borrowing (Conversions)
Exhibit  G    Form of Notice of Borrowing (Swing Line) 
Exhibit  H-1  Form of Opinion of Miles & Stockbridge, Professional Corporation
Exhibit  H-2  Form of Opinion of Peter A. Fish, Esq., In-House Counsel CDSI
Exhibit  I    Form of Assignment and Acceptance



      CREDIT AGREEMENT, dated as of June 13, 1997, among:

(a) Computer Data Systems, Inc., (the "Borrower"); 

(b) the banks and other financial institutions from time to time parties to 
this Agreement, (the "Lenders"); and
                      -------

(c) NATIONSBANK, N.A. as administrative agent (in such capacity, the
"Administrative Agent") for the Lenders hereunder.
 --------------------

                                   WITNESSETH:
                                   -----------

      WHEREAS, the Borrower has requested that the Lenders make available to it
credit facilities of up to $75,000,000 in the aggregate upon the terms, and
subject to the conditions, set forth herein to refinance existing indebtedness,
finance future acquisitions, provide ongoing working capital and for other
general corporate purposes;

      WHEREAS, the Administrative Agent and the Lenders are willing to provide
such financing to the Borrower only upon the terms and subject to the 
conditions set forth herein in lieu of existing credit facilities between the 
Borrower and NationsBank, N.A.;

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

SECTION 1.  DEFINITIONS

      1.1 Defined Terms. As used in this Agreement, the following terms shall
have the following meanings:

      "ABR": for any day, a rate per annum (rounded upwards, if necessary, to
the next 1/16 of 1%) equal to the greater of (i) the Prime Rate in effect on
such day and (ii) the Federal Funds Effective Rate in effect on such day plus
1/2 of 1%.  If for any reason the Administrative Agent shall have determined
(which determination shall be conclusive absent manifest error) that the
Administrative Agent is unable to ascertain the Federal Funds Effective Rate
for any reason, including the inability or failure of the Administrative Agent
to obtain sufficient quotations in accordance with the terms thereof, the ABR
shall be determined without regard to clause (ii) of the first sentence of this
definition, until the circumstances giving rise to such inability no longer
exist. Any change in the ABR due to a change in the Prime Rate or Federal Funds
Effective Rate shall be effective on the effective date of such change in the
Prime Rate or Federal Funds Effective Rate, respectively.

      "ABR Loans": Loans the rate of interest applicable to which is based upon
the ABR.

      "Acquired Business": any Person or a business unit or other asset group
of a Person that has been acquired by the Borrower or a Subsidiary in a manner
permitted hereunder.

      "Administrative Agent": as defined in the preamble to this Agreement.

      "Affiliate": as to any Person, any other Person (other than a Subsidiary)
which, directly or indirectly, is in control of, is controlled by, or is under
common control with, such Person. For purposes of this definition, "control" of
a Person means the power, directly or indirectly, either to (a) vote 5% or more
of the securities having ordinary voting power for the election of directors of
such Person or (b) direct or cause the direction of the management and policies
of such Person, whether by contract or otherwise provided that for purposes of
this definition, neither Harbor Points Apartments Company Limited Partnership
nor any shareholder of the Borrower shall be considered an affiliate of the
Borrower.
 
       "Aggregate Outstanding Extensions of Credit": as to any Lender at any
time, an amount equal to the sum of (a) the aggregate principal amount of all
Revolving Credit Loans made by such Lender then outstanding and (b) such
Lender's Revolving Credit Commitment Percentage of the aggregate amount of all
L/C Obligations then outstanding.

      "Agreement": this Credit Agreement, as amended, supplemented or otherwise
modified from time to time.

      "Applicable Fixed Rate": the Eurodollar Rate or Federal Funds Rate, as
context may require.

      "Applicable Margin": for each Type of Loan outstanding under each
Facility, the rate per annum set forth below opposite the quarterly ratio of 
the Borrower's (a) Indebtedness (other than Performance Obligations) to (b) 
EBITDA:

     Indebtedness/EBITD        ABR           Eurodollar      Federal Funds
     ------------------        ---           ----------      -------------

          >2.50                0 b.p.          115 b.p.          145 b.p.
          <2.50                0 b.p.           95 b.p.          125 b.p.
          <2.00                0 b.p.           80 b.p.          110 b.p.
          <1.50                0 b.p.           70 b.p.          100 b.p.
          <1.00                0 b.p.         62.5 b.p.         92.5 b.p.

The Applicable Margin shall, in each case, be determined and adjusted quarterly
on the date that is five (5) Business Days after the date by which Borrower is
required to provide quarterly financial information in accordance with the
provisions of subsection 8.1(b) (each an "Interest Determination Date") 
provided that in the event that the financial statements required to be 
delivered pursuant to subsection 8.1 and the related certificates required 
pursuant to subsection 8.2 are not delivered when due, then, during the period
from the date upon which such financial statements were required to be 
delivered until one (1) Business Day following the date upon which they 
actually are delivered, the highest rate shall be determined to be in effect 
for the purposes of determining Applicable Margins during such period.  Such 
Applicable Margin shall be effective from such Interest Determination Date 
until the next such Interest Determination Date.  Notwithstanding the 
foregoing, the initial Applicable Margin shall be determined as if the ratio of
the Borrower's (a) Indebtedness (other than Performance Obligations) to (b) 
EBITDA is less than 2.00 but greater than 1.50.

      "Application": an application, in such form as the relevant Issuing Bank
may specify from time to time, requesting such Issuing Bank to open a Letter of
Credit.

      "ASEC": Analytical Systems Engineering Corporation, a Massachusetts
corporation, or any successor entity thereto.

      "Assignee": as defined in subsection 12.8(c).

      "Available Revolving Credit Commitment": as to any Lender, at any time an
amount equal to the excess, if any, of the Revolving Credit Commitment minus 
the sum of (a) Aggregate Outstanding Extensions of Credit of such Lender and 
(b) the Lender's Revolving Credit Commitment Percentage of the aggregate amount
of all Swing Line Loans then outstanding. 

      "Bank Default": means (i) the refusal (which has not been retracted) of a
Lender (other than a Swing Line Lender) to make available an amount equal to 
its Lender's Commitment Percentage of any borrowing (including any Mandatory
Borrowing) or its Lender's Commitment Percentage of any L/C Participation or
(ii) a Lender (other than a Swing Line Lender) having notified the
Administrative Agent and or the Borrower that such Lender (other than a Swing
Line Lender) does not intend to comply with the obligations under subsections
2.1(a), 3.1(a), 3.7(c), 3.7(e) or 4.4(a), in the case of either (i) or (ii)
above including as a result of the appointment of a receiver or conservator 
with respect to such Lender at the direction or request of any regulatory 
agency or authority.

      "Business":  as defined in subsection 6.17(b).

      "Business Day": a day other than a Saturday, Sunday or other day on which
commercial banks in Charlotte, North Carolina are authorized or required by law
to close; provided that, with respect to matters relating to Eurodollar Loans,
the term "Business Day" shall mean a day other than a Saturday, Sunday or other
day on which commercial banks in Charlotte, North Carolina or London, England,
are authorized or required by law to close.

      "Capital Expenditures":  for any period, the sum of, without duplication,
(a) all cash expenditures made, directly or indirectly, by the Borrower or any
of its Subsidiaries during such period for equipment, fixed assets, real
property or improvements, or for replacements or substitutions therefor or
additions thereto, that in accordance with GAAP are reflected as additions to
property, plant or equipment on a consolidated balance sheet of the Borrower
(other than the use of insurance proceeds for any such expenditure for the
replacement of any item listed in this clause (a)) plus (b) the aggregate
principal amount of all Indebtedness assumed or incurred in connection with any
such expenditures less (c) the aggregate principal amount of any investments
permitted under subsection 9.6(i) made after the date hereof that would
otherwise qualify as Capital Expenditures.

      "Capital Stock": any and all shares, interests, participations or other
equivalents (however designated) of capital stock of a corporation, any and all
equivalent ownership interests in a Person (other than a corporation) and any
and all warrants or options to purchase any of the foregoing.

      "Cash Equivalents": (a) securities with maturities of one year or less
from the date of acquisition issued or fully guaranteed or insured by the 
United States Government or any agency thereof, (b) certificates of deposit and
eurodollar time deposits with maturities of one year or less from the date of
acquisition and overnight bank deposits of any Lender or of any commercial bank
having capital and surplus in excess of $100,000,000, (c) repurchase 
obligations of any Lender or of any commercial bank or investment bank 
satisfying the requirements of clause (b) of this definition, having a term of 
not more than thirty (30) days with respect to securities issued or fully 
guaranteed or insured by the United States Government or any agency thereof, 
(d) commercial paper issued in the United States which is rated at least A-1 by
S&P or P-1 by Moody's, (e) securities with maturities of five (5) years or less
from the date of acquisition issued or fully guaranteed by any state, 
commonwealth or territory of the United States, by any political subdivision or
taxing authority of any such state, commonwealth or territory or by any foreign 
government, the securities of which state, commonwealth, territory, political 
subdivision, taxing authority or foreign government are rated at least A by S&P
or A by Moody's, (f) securities with maturities of one year or less from the 
date of acquisition backed by standby letters of credit issued by any Lender or
any commercial bank satisfying the requirements of clause (b) of this 
 definition or (g) shares of money market mutual or similar funds which invest 
substantially exclusively in assets satisfying the requirements of clauses (a)
through (f) of this definition.

      "CDSI Argentina, S.A.": an Argentine Corporation which is greater than
99% owned by CDSI International, Inc.

      "Closing Date": the date on which the conditions precedent set forth in
subsection 7.1 shall be satisfied but in any event no later than June 30, 1997.

      "Code": the Internal Revenue Code of 1986, as amended from time to time.

      "Collateral": as defined in the Subsidiaries Stock Pledge Agreement.

      "Commercial L/C Fee": as defined in subsection 4.3(a).

      "Commercial Letter of Credit": as defined in subsection 4.1(b)(i)(2).

      "Commitment": as to any Lender, its Revolving Credit Commitment or Term
Loan Commitment and with respect to the Swing Line Lender, its Swing Line Loan
Commitment, as the context shall require.

      "Commitment Fee": with respect to the Revolving Credit Commitments, for
any period, a fee equal to the result of (a) the average daily amount of the
Revolving Credit Commitment during such period less the average daily balance 
of the Aggregate Outstanding Extensions of Credit for all Lenders during such
period, multiplied by (b) the applicable per annum rate set forth below 
opposite from the ratio of Borrower's (i) Indebtedness (other than Performance
Obligations) to (ii) EBITDA, determined as of the most recent Interest
Determination Date, provided that in the event that the financial statements
required to be delivered pursuant to subsection 8.1 and the related 
certificates required pursuant to subsection 8.2 are not delivered when due, 
then, during the period from the date upon which such financial statements were
required to be delivered until one (1) Business Day following the date upon 
which they actually are delivered, the highest fee shall be determined to be in
effect for the purposes of determining the Commitment Fee during such period:

                                                       Revolving Credit
            Indebtedness/EBITDA                         Commitment Fee 
            -------------------                        ----------------

                   >2.50                                    23 b.p.
                   <2.50                                    19 b.p.

                   <2.00                                    15 b.p.

                   <1.50                                    12 b.p.
                   <1.00                                     9 b.p.

      "Commitment Percentage": as to any Lender at any time, its Term Loan
Commitment Percentage or its Revolving Credit Commitment Percentage, as the
context shall require.

      "Commonly Controlled Entity": an entity, whether or not incorporated,
which is under common control with the Borrower within the meaning of Section
4001 of ERISA or is part of a group which includes the Borrower and which is
treated as a single employer under Section 414 of the Code.

      "Consolidated Fixed Charges": for any Person, for any fiscal period, the
sum (without duplication) of the following determined on a consolidated basis: 
(a) the amount of interest expense, both expensed and capitalized, of the
Borrower and its Subsidiaries for such period, (b) required cash amortization 
of Indebtedness for such period and discount or premium related to any such
Indebtedness for such period, whether expensed or capitalized, (c) the 
aggregate amount of fixed and contingent rentals payable by the Borrower and 
its Subsidiaries for such period with respect to leases of real and personal
property and (d) the dividends paid by such Person during such period.

      "Consolidated Net Current Receivables": as of the end of any fiscal
period, the amounts which, in conformity with GAAP, are set forth opposite the
caption "trade accounts receivable" under the caption "current assets" on a
consolidated balance sheet of the Borrower and its Subsidiaries at such date.

      "Consolidated Net Income" or "Consolidated Net Loss": for any fiscal
period, the amount which is set forth opposite the caption "net income" (or any
like caption) or "net loss" (or any like caption), as the case may be, on a
consolidated statement of earnings of the Borrower and its Subsidiaries for 
such fiscal period.

      "Consolidated Net Worth": for any fiscal period, the sum of (a) Capital
Stock and additional paid-in capital plus (b) retained earnings (or minus
accumulated deficits) of the Borrower and its Subsidiaries determined on a
consolidated basis.

      "Consolidated Tangible Net Worth": for any fiscal period, the sum of (a)
Consolidated Net Worth minus (b) any amounts which would be considered
intangible assets on a consolidated balance sheet of the Borrower and its
Subsidiaries at such date (including without limitation, copyrights, patents,
trademarks, contract rights, development costs and goodwill).

      "Contractual Obligation": as to any Person, any provision of any security
issued by such Person or of any agreement, instrument or other undertaking to
which such Person is a party or by which it or any of its property is bound.

      "Default": any of the events specified in Section 10, whether or not any
requirement for the giving of notice, the lapse of time, or both, or any other
condition, has been satisfied.

      "Defaulting Lender": any Lender with respect to which a Bank Default is
in effect.

      "Dollars" and "$": dollars in lawful currency of the United States of
America.

      "Domestic Subsidiary": any Subsidiary of the Borrower organized under the
laws of any jurisdiction within the United States.

      "EBITDA": for any fiscal period for any Person, the Consolidated Net
Income or Consolidated Net Loss, as the case may be, for such fiscal period,
after excluding therefrom the amount of extraordinary gain and restoring 
thereto (a) depreciation and amortization (including write-offs or write-downs 
of amortizable and depreciable items), (b) the amount of interest expense of
such Person, determined on a consolidated basis for such period on the 
aggregate principal amount of their consolidated Indebtedness and any fees 
including commitment and administrative fees) with respect to such 
Indebtedness, (c) the amount of tax expense of such Person, determined on a 
consolidated basis for such period and (d) the aggregate amount of fixed and
 contingent rentals payable by the Borrower and its Subsidiaries, determined on
a consolidated basis for such period, with respect to leases of real and 
personal property. 

      "Environmental Laws": any and all foreign, Federal, state, local or
municipal laws, rules, orders, regulations, statutes, ordinances, codes,
decrees or other Requirements of Law (including common law) regulating, 
elating to or imposing liability or standards of conduct concerning pollution 
or protection of the environment (including protection of human health from 
environmental hazards), as now or may at any time hereafter be in effect.

      "ERISA": the Employee Retirement Income Security Act of 1974, as amended
from time to time.

      "Eurocurrency Reserve Requirements": for any day as applied to a
Eurodollar Loan, the aggregate (without duplication) of the rates (expressed as
a decimal or fraction) of reserve requirements in effect on such day 
(including, without limitation, basic, supplemental, marginal and emergency 
reserves under any regulations of the Board of Governors of the Federal Reserve
System or other Governmental Authority having jurisdiction with respect 
thereto) dealing with reserve requirements prescribed for eurocurrency funding
(currently referred to as "Eurocurrency Liabilities" in Regulation D of such 
oard) maintained by a member bank of such System.

      "Eurodollar Base Rate": the rate per annum determined by the
Administrative Agent to be the average of the respective rates per annum posted
by each of the principal London office of banks posting rates as displayed on
the Telerate screen, page 3750 or such other page as may replace such page on
such service for the purpose of displaying the London interbank offered rate of
major banks for deposits in US dollars at approximately 11:00 A.M. (London 
Time) two (2) Business Days prior to the beginning of the relevant Interest
Period, as specified in the Notice of Borrowing (and rounded, if necessary, 
pward to the next whole multiple of 1/16 of 1%); provided that, to the extent 
an interest rate is not ascertainable pursuant to the foregoing provisions of 
this definition, the "Eurodollar Base Rate" shall be the interest rate per 
annum determined by the Administrative Agent to be the average (rounded, if 
necessary, upward to the nearest whole multiple of 1/16th of 1% per annum, if 
such average is not such a multiple) of the rates per annum at which deposits 
in Dollars are offered for such relevant Interest Period to major banks in the 
London interbank market in London, England by such other major banks in the 
London interbank market in London, England at approximately 11:00 A.M. (London 
time) on the date which is two (2) Business Days prior to the beginning of such
Interest Period.

      "Eurodollar Loans": Loans the rate of interest applicable to which is
based upon the Eurodollar Rate.

      "Eurodollar Rate": with respect to each day during each Interest Period
pertaining to a Eurodollar Loan, a rate per annum determined for such day in
accordance with the following formula (rounded, if necessary, upward to the
nearest whole multiple of 1/16th of 1%).

                                Eurodollar Base Rate
                       ------------------------------------------

                        1.00 - Eurocurrency Reserve Requirements

      "Event of Default": any of the events specified in Section 10, provided
that any requirement for the giving of notice, the lapse of time, or both, or
any other condition, has been satisfied.

      "Facility": the Term Loan Facility, the Revolving Credit Facility and the
Swing Line Facility.

      "Federal Funds Effective Rate": for any day, the weighted average of the
rates on overnight Federal funds transactions with members of the Federal
Reserve System arranged by Federal funds brokers, as published on the next
succeeding Business Day by the Federal Reserve Bank of New York, or, if such
rate is not so published for any day which is a Business Day, the average of 
the quotations for the day of such transactions received by the Administrative 
Agent from three Federal funds brokers of recognized standing selected by it. 

      "Federal Funds Loans": Swing Line Loans the rate of interest applicable
to which is based upon the Federal Funds Rate.

      "Federal Funds Rate": with respect to each day during each Interest
Period pertaining to a Federal Funds Loan, a rate per annum as determined by 
the Swing Line Lender at its principal office as the rate (rounded, if 
necessary, upward to the nearest whole multiple of 1/16th of 1%) at which term 
federal funds would be offered to the Swing Line Lender on the first day of 
such Interest Period.

      "Financing Lease": any lease of property, real or personal, the
obligations of the lessee in respect of which are reported in accordance with
GAAP as capitalized on a balance sheet of the lessee.

      "Fixed Rate Loans": collectively, the Eurodollar Loans and the Federal
Funds Loans

      "Foreign Subsidiary": CDSI Argentina, S.A. or any Subsidiary of the
Borrower organized under the laws of any jurisdiction outside the United States
of America.

      "GAAP": generally accepted accounting principles in the United States of
America as in effect from time to time.

      "Governmental Authority": any nation or government, any state or other
political subdivision thereof and any entity exercising executive, legislative,
judicial, regulatory or administrative functions of or pertaining to 
government.

      "GuaranTec, L.L.P.": a Florida limited liability partnership which is 51%
owned by CDSI Education Services, Inc.

      "Guarantee Obligation": as to any Person (the "guaranteeing person"), any
obligation of (a) the guaranteeing person or (b) another Person (including,
without limitation, any bank under any letter of credit) to induce the creation
of which the guaranteeing person has issued a reimbursement, counter indemnity
or similar obligation, in either case guaranteeing or in effect guaranteeing 
any Indebtedness, leases, dividends or other obligations (the "primary 
obligations") of any other third Person (the "primary obligor") in any manner, 
whether directly or indirectly, including, without limitation, any obligation 
of the guaranteeing person incurred for the purpose of providing credit 
support, whether or not contingent, (i) to purchase any such primary obligation
or any property constituting direct or indirect security therefor, (ii) to 
advance or supply funds (1) for the purchase or payment of any such primary 
obligation or (2) to maintain working capital or equity capital of the primary 
obligor or otherwise to maintain the net worth or solvency of the primary 
obligor, (iii) to purchase property, securities or services primarily for the 
purpose of assuring the owner of any such primary obligation of the ability of 
the primary obligor to make payment of such primary obligation or (iv)
otherwise to assure or hold harmless the owner of any such primary obligation 
against loss in respect thereof, provided, however, that the term Guarantee 
Obligation shall not include endorsements of instruments for deposit or 
collection in the ordinary course of business and guarantees by Borrower or 
any Subsidiary of obligations of Borrower or a Subsidiary to suppliers, 
licensers or lessors to the extent the underlying obligation is incurred in 
the ordinary course of business and otherwise permitted hereunder. The amount 
of any Guarantee Obligation of any guaranteeing person shall be deemed to be 
the lower of (a) an amount equal to the stated or determinable amount of the 
primary obligation in respect of which such Guarantee Obligation is made and 
(b) the maximum amount for which such guaranteeing person may be liable 
pursuant to the terms of the instrument embodying such Guarantee Obligation, 
unless such primary obligation and the maximum amount for which such
guaranteeing person may be liable are not stated or determinable or such 
obligation guarantees a Person's performance obligation under an agreement
entered into in the ordinary course of the Person's business, in which case the
amount of such Guarantee Obligation shall be such guaranteeing person's maximum
reasonably anticipated liability in respect thereof as determined by the
Administrative Agent in good faith.

      "Guarantor": any Person delivering a Subsidiaries Guarantee.

      "Indebtedness": of any Person, at any date, without duplication, (a) all
indebtedness of such Person for borrowed money, (b) the deferred purchase price
of property or services (other than current trade liabilities incurred in the
ordinary course of business and payable in accordance with customary 
practices), (c) any other indebtedness of such Person which is evidenced by a 
note, bond, debenture or similar instrument, (d) all obligations of such Person
under Financing Leases, (e) all obligations of such Person in respect of 
letters of credit and acceptances and letters of credit issued or created for 
the account of such Person (including without limitation all issued and 
outstanding Letters of Credit), (f) all liabilities secured by any Lien on any 
property owned by such Person even though such Person has not assumed or 
otherwise become liable for the payment thereof, (g) all obligations of such 
Person in respect of suretyand appeal bonds, performance bonds and other 
obligations of a like nature, (h) all Indebtedness of the types referred to in 
clauses (a) through (g) above which is guaranteed directly or indirectly by 
such Person. 

      "Insolvency": with respect to any Multiemployer Plan, the condition that
such Plan is insolvent within the meaning of Section 4245 of ERISA.

      "Insolvent": pertaining to a condition of Insolvency.

      "Interest Payment Date": (a) as to any ABR Loan, the last Business Day of
each calendar month, (b) as to any Eurodollar Loan having an Interest Period of
three months or less, the last day of such Interest Period, (c) as to any
Eurodollar Loan having an Interest Period of six months, the day which is three
months (or a whole multiple thereof) after the first day of such Interest 
Period and the last day of such Interest Period and (d) as to any Federal Funds
Loans, the last Business Day of each Interest Period.

      "Interest Period": shall mean with respect to Fixed Rate Loans:

      (a)   with respect to any Eurodollar Loan (i) initially, the period
commencing on the borrowing or conversion date, as the case may be, with 
respect to such Eurodollar Loan and ending one, two, three, six or twelve 
months thereafter, as selected by the Borrower in its notice of borrowing or 
notice of conversion, as the case may be, given with respect thereto and (ii) 
thereafter, each period commencing on the last day of the next preceding 
Interest Period applicable to such Eurodollar Loan and ending one, two, three, 
six or twelve months thereafter, as selected by the Borrower in a Notice of 
Borrowing delivered to the Administrative Agent by 11:00 A.M., Charlotte, North
Carolina time, not less than three (3) Business Days prior to the last day of 
the then current Interest Period with respect thereto;

      (b)   with respect to any Swing Line Loan (i) initially, the period
commencing on the borrowing date, with respect to such Swing Line Loan and
ending one to thirty days thereafter, as selected by the Borrower in its notice
of borrowing given with respect thereto and (ii) thereafter, each period
commencing on the last day of the next preceding Interest Period applicable to
such Federal Funds Loan and ending one to thirty days thereafter, as selected 
by the Borrower in a Notice of Borrowing delivered to the Administrative Agent 
by 11:00 A.M., Charlotte, North Carolina time, on the last day of the then
current Interest Period with respect thereto; provided that, all of the 
foregoing provisions relating to Interest Periods are subject to the following:

            (1)    if any Interest Period would otherwise end on a day that is
      not a Business Day, such Interest Period shall be extended to the next
      succeeding Business Day unless the result of such extension would be (A)
      with respect to Eurodollar Loans, to carry such Interest Period into
      another calendar month or (B) with respect to Federal Funds Loans, to
      extend such Interest Period past thirty (30) days, in which event such
      Interest Period shall end on the immediately preceding Business Day;

            (2)    any Interest Period pertaining to a Eurodollar Loan that
      would otherwise extend beyond the Maturity Date or beyond the Term Loan
      Termination Date shall end on the Maturity Date or the Term Loan
      Termination Date, as the case may be;

            (3)    any Interest Period pertaining to a Federal Funds Loan that
      would otherwise extend beyond the Swing Line Loan Termination Date shall
      end on such day;

            (4)    any Interest Period pertaining to a Eurodollar Loan that
      begins on the last Business Day of a calendar month (or on a day for
      which there is no numerically corresponding day in the calendar month at
      the end of such Interest Period) shall end on the last Business Day of a
      calendar month.

      "Interest Rate Protection Agreement":  any interest rate swap agreement,
interest rate cap agreement, interest rate collar agreement, interest rate
hedging agreement or other similar agreement or arrangement.

      "Issuing Bank": with respect to any Letter of Credit, means (a)
NationsBank, N.A. (or any affiliate thereof) upon its agreement to serve in 
such capacity with respect to such Letter of Credit and (b) any Lender as may 
be designated by the Borrower and consented to by the Agent (such consent to 
not be unreasonably withheld) upon such Lender's agreement to serve in such 
capacitywith respect to such Letter of Credit.

      "L/C Commitment": $7,500,000.

      "L/C Fee Payment Date": the last Business Day of each June, September,
December and March.

      "L/C Obligations": at any time, an amount equal to the sum of (a) the
aggregate then undrawn and unexpired amount of the then outstanding Letters of
Credit and (b) the aggregate amount of drawings under Letters of Credit which
have not then been reimbursed pursuant to subsection 4.4(a).

      "L/C Participants": with respect to each Letter of Credit, the collective
reference to all the Lenders other than the Issuing Bank with respect thereto.

      "Letter of Credit": a Commercial Letter of Credit or a Standby Letter of
Credit, as the context shall require; collectively, the "Letters of Credit".

      "Lien": any mortgage, pledge, hypothecation, assignment, deposit
arrangement, encumbrance, lien (statutory or other), charge or other security
interest or any preference, priority or other security agreement or 
preferential arrangement of any kind or nature whatsoever (including, without 
limitation, any conditional sale or other title retention agreement and any 
Financing Lease having substantially the same economic effect as any of the
foregoing). 

      "Loan": a Term Loan, a Revolving Credit Loan, and a Swing Line Loan as
the context shall require; collectively, the "Loans".

      "Loan Documents": this Agreement, the Notes, the Applications, the
Subsidiaries Guarantee and the Stock Pledge Agreement.

      "Loan Parties": the Borrower and any of its Subsidiaries.

      "Majority Lenders": at any time Lenders having Term Loan Commitments and
Revolving Credit Commitments (or if Revolving Credit Commitments have
terminated, Aggregate Outstanding Extensions of Credit) which aggregate more
than 51% of the sum of the amount of the Term Loan of the Non-Defaulting 
Lenders then outstanding and the Revolving Credit Commitments of the Non-
Defaulting Lenders (or Aggregate Outstanding Extensions of Credit of the Non-
Defaulting Lenders as the case may be) then in effect, provided that, if at any
time, there are two or more Lenders hereunder, any action required by Majority 
Lenders shall require the consent of not less than two Lenders.

      "Mandatory Borrowing": as defined in subsection 3.7(a).

      "Material Adverse Amount": an amount payable by the Borrower and/or its
Subsidiaries in excess of $1,500,000 for remedial costs, non-routine compliance
costs, compensatory damages, punitive damages, fines, penalties or any
combination thereof.

      "Material Adverse Effect": a material adverse effect on (a) the
Borrower's ability to perform its obligations under the Loan Documents, (b) the
validity or enforceability of this or any of the other Loan Documents or (c) 
the rights or remedies of the Administrative Agent or the Lenders hereunder or 
under any of the other Loan Documents.

      "Materials of Environmental Concern": any gasoline or petroleum
(including crude oil or any fraction thereof) or petroleum products or any
hazardous or toxic substances, materials or wastes, defined or regulated as 
such in or under any Environmental Law, including, without limitation, 
asbestos, polychlorinated biphenyls and urea-formaldehyde insulation.

      "Moody's": Moody's Investors Service, Inc.

      "Maturity Date": June 13, 2000

      "Multiemployer Plan": a Plan which is a multiemployer plan as defined in
Section 4001(a)(3) of ERISA.

      "Non-Defaulting Lender": any Lender other than a Defaulting Lender.

      "Non-Excluded Taxes": as defined in subsection 5.16(a).

      "Notes": the collective reference to the Term Notes, the Revolving Credit
Notes and the Swing Line Note.

      "Notice of Borrowing": means (a) with respect to a request for a
borrowing (other than a Swing Line Loan borrowing) hereunder, a request in the
form of Exhibit F-1 hereto, (b) with respect to a request for continuation of a
Eurodollar Loan hereunder, a request in the form of Exhibit F-2 hereto, (c) 
with respect to a request for conversion of or to a Eurodollar Loan hereunder, 
a request in the form of Exhibit F-3 hereto and (d) with respect to a request 
for a borrowing of a Swing Line Loan hereunder, a request in the form of 
Exhibit G hereto in each case delivered by a Responsible Officer of the 
Borrower to any such Lender hereunder.

      "Participant": as defined in subsection 12.8(b).

      "PBGC": the Pension Benefit Guaranty Corporation established pursuant to
Subtitle A of Title IV of ERISA.

      "Performance Obligations": any performance bonds, guarantees of
performance, or Liens in favor of any customer (including any Governmental
Authority) to secure partial progress, advances or other payments or 
performance payments pursuant to any contract or statute in an aggregate amount
at any time, not exceeding $5,000,000.

      "Person": an individual, partnership, corporation, business trust, joint
stock company, trust, unincorporated association, joint venture, Governmental
Authority or other entity of whatever nature.

      "Plan": at a particular time, any employee benefit plan or other plan
established, maintained or contributed to by the Borrower or a Commonly
Controlled Entity that is covered by Title IV of ERISA.

      "Prime Rate": the rate of interest per annum publicly announced from time
to time by the Administrative Agent at its principal office as its prime rate 
on a particular day in effect for domestic (United States) commercial loans; 
such rate is not necessarily intended to be the lowest rate of interest charged
by the Lenders in connection with extensions of credit. Each change in the 
Prime Rate shall be effective on the date such change is publicly announced.

      "Properties": as defined in subsection 6.17(a).

      "Regulation G": Regulation G of the Board of Governors of the Federal
Reserve System as in effect from time to time.

      "Regulation U": Regulation U of the Board of Governors of the Federal
Reserve System as in effect from time to time.

      "Reimbursement Obligation": with respect to any Letter of Credit, the
obligation of the Borrower to reimburse the Lenders with respect thereto
pursuant to subsection 4.4(a) for amounts drawn thereunder.

      "Reorganization": with respect to any Multiemployer Plan, the condition
that such plan is in reorganization within the meaning of Section 4241 of 
ERISA.

      "Reportable Event": any of the events set forth in Section 4043(c) of
ERISA, other than those events as to which the thirty (30) day notice period is
waived under subsections .22, .25, .27 or .28 of PBGC Reg. section 4043.

      "Requirement of Law": as to any Person, the Articles or Certificate of
Incorporation and By-Laws or other organizational or governing documents of 
such Person, and any law, treaty, rule or regulation or determination of an
arbitrator or a court or other Governmental Authority, in each case applicable
to or binding upon such Person or any of its property or to which such Person 
or any of its property is subject.

      "Responsible Officer": the chief executive officer, the president, an
executive vice president, the chief financial officer or the treasurer of the
Borrower.

      "Revolving Credit Commitment": as to any Lender, the obligation of such
Lender to make Revolving Credit Loans to and/or issue or participate in Letters
of Credit issued on behalf of the Borrower hereunder in an aggregate principal
and/or face amount at any one time outstanding not to exceed the amount set
forth opposite such Lender's name on Schedule II; as the same may be reduced
from time to time pursuant to subsections 5.4, 5.5 and 5.6; as to all Lenders
collectively, the "Revolving Credit Commitments."

      "Revolving Credit Commitment Percentage": as to any Lender at any date,
the percentage which such Lender's Revolving Credit Commitment then constitutes
of the aggregate Revolving Credit Commitments (or, at any time after the
Revolving Credit Commitments shall have expired or terminated, the percentage
which the Aggregate Outstanding Extensions of Credit of such Lender then
constitutes of the Aggregate Outstanding Extensions of Credit of all Lenders).

      "Revolving Credit Commitment Period": the period from and including the
date hereof to but not including the Maturity Date or such earlier date on 
which the Revolving Credit Commitments shall terminate as provided herein.

      "Revolving Credit Facility": the Revolving Credit Facility provided for
in Section 3 hereof.

      "Revolving Credit Lender": means any Lender which has a Revolving Credit
Commitment Percentage.

      "Revolving Credit Loans": as defined in subsection 3.1.

      "Revolving Credit Note": as defined in subsection 5.1(e).

      "S&P": Standard and Poor's Ratings Group, a division of McGraw Hill
Companies Inc.

      "SEC": means the United States Securities and Exchange Commission, or any
Governmental Authority succeeding to any of its principal functions.

      "Secured Obligations": shall be the collective reference to the unpaid
principal of and interest on the Notes and all other obligations and 
liabilities (including, without limitation, interest accruing at the then 
applicable rate provided in this Agreement after the maturity of the Loans and 
interest accruing at the then applicable rate provided in this Agreement after 
the filing of any petition in bankruptcy, or the commencement of any 
insolvency, reorganization or like proceeding, relating to the Borrower, 
whether or not a claim for post-filing or post-petition interest is allowed in
such proceeding), of the Borrower to the Administrative Agent and the Lenders
(including, without limitation, any affiliate of a Lender with respect to any 
Letter of Credit issued by such affiliate), whether direct or indirect, 
absolute or contingent, due or to become due, or now existing or hereafter 
incurred, which may arise under, out of, or in connection with, this Agreement,
the Notes and the other Loan Documents or any other document made, delivered or
given in connection therewith, in each case whether on account of principal, 
interest, reimbursement obligations, fees, indemnities, costs, expenses or 
otherwise (including, without limitation, all reasonable fees and disbursements
of counsel to the Administrative Agent or to the Lenders that are required to 
be paid by the Borrower pursuant to the terms of this Agreement or any other 
Loan Document).

      "Single Employer Plan": any Plan which is covered by Title IV of ERISA,
but which is not a Multiemployer Plan.

      "Standby Letter of Credit": as defined in paragraph 4.1(b)(i)(1).

      "Stock Pledge Agreement": the Subsidiaries Stock Pledge Agreement and
such other stock pledge agreement that may be executed by a Loan Party (as may
be amended, supplemented or otherwise modified from time to time) pursuant to
the Loan Documents.

      "Subsidiaries Guarantee": each guarantee to be executed and delivered by
one or more Domestic Subsidiaries (other than GuaranTec, L.L.P.), substantially
in the form of Exhibit E, as the same may be amended, supplemented or otherwise
modified from time to time.

      "Subsidiaries Stock Pledge Agreement": the Subsidiaries Stock Pledge
Agreement to be executed and delivered by a Subsidiary of the Borrower,
substantially in the form of Exhibit D, as the same may be amended,
supplemented or otherwise modified from time to time.

      "Subsidiary": as to any Person, a corporation, partnership or other
entity of which shares of stock or other ownership interests having ordinary
voting power (other than stock or such other ownership interests having such
power only by reason of the happening of a contingency) to elect a majority of
the board of directors or other managers of such corporation, partnership or
other entity are at the time owned, or the management of which is otherwise
controlled, directly or indirectly through one or more intermediaries, or both,
by such Person. Unless otherwise qualified, all references to a "Subsidiary" or
to "Subsidiaries" in this Agreement shall refer to a Subsidiary or Subsidiaries
of the Borrower.

      "Swing Line Commitment Period": the period from and including the date
hereof to but not including the fifth (5) Business Day prior to the Maturity
Date or such earlier date on which the Revolving Credit Commitments shall
terminate as provided herein.

      "Swing Line Lender": with respect to any Swing Line Loan, NationsBank,
N.A. (or any affiliate thereof) upon its agreement to serve in such capacity
with respect to such Swing Line Loan.

      "Swing Line Loan Commitment":  as to the Swing Line Lender, the
obligation of such Lender to make a Swing Line Loan to the Borrower hereunder 
in an amount not to exceed the Swing Line Loan Maximum Amount. 

      "Swing Line Loan Facility": the Swing Line Loan Facility provided for in
Section 3 hereof.

      "Swing Line Loan Maximum Amount": $10,000,000.

      "Swing Line Loan Note": as defined in subsection 5.1(e).

      "Swing Line Loan Termination Date": the fifth (5) Business Day prior to
the Maturity Date or such earlier date on which the Revolving Credit 
Commitments shall terminate as provided herein.

      "Swing Line Loans": as defined in subsection 3.4(a).

      "Term Loan": as defined in subsection 2.1.

      "Term Loan Borrowing Date": any one (1) Business Day during the Term Loan
Commitment Period.

      "Term Loan Commitment": as to any Lender, the obligation of such Lender
to make a Term Loan to the Borrower hereunder in an amount not to exceed the
amount set forth opposite such Lender's name on Schedule II, as the same may be
reduced from time to time pursuant to subsections 5.4, 5.5 and 5.6; as to all
Lenders collectively, the "Term Loan Commitments."

      "Term Loan Commitment Percentage": as to any Lender at any date, the
percentage which such Lenders' Term Loan Commitment then constitutes of the
aggregate Term Loan Commitments.

      "Term Loan Commitment Period": the period from and including the date
hereof to but not including the Term Loan Conversion Date or such earlier date
on which the Term Loan Commitments shall terminate as provided herein.

      "Term Loan Conversion Date": the Business Day that is 15 Business Days
following the Closing Date.

      "Term Loan Facility": the Term Loan Facility provided for in Section 2
hereof.

      "Term Loan Termination Date": June 13, 2002.

      "Term Note": as defined in subsection 5.1(e).

      "Termination Date": the date on which the provisions of subsection 12.7
have been met.

      "Total Capitalization": for any fiscal period, the sum of (a)
Consolidated Net Worth plus (b) Indebtedness.

      "Tranche": the collective reference to Fixed Rate Loans having then
current Interest Periods which began on the same date and end on the same later
date (whether or not such Loans shall originally have been made on the same
day).

      "Transferee": as defined in subsection 12.8(f).

      "TTM EBITDA": as for any Business Day, (i) EBITDA for the Borrower and
its Subsidiaries plus (ii) EBITDA for ASEC and its Subsidiaries, each of (i) 
and (ii) on a consolidated basis for the twelve-month period ending on such 
Business Day or, if such Business Day is not the last day of a calendar month, 
on the last Business Day of the calendar month most recently ended prior to 
such Business Day .

      "Type": as to any Loan, as the context requires, its nature as (i) a
Eurodollar Loan or a Federal Funds Loan (collectively, a Fixed Rate Loan) or
(ii) an ABR Loan.

      "Uniform Customs": the Uniform Customs and Practice for Documentary
Credits (1993 Revision), International Chamber of Commerce Publication No. 500,
as the same may be amended from time to time.

      1.2 Other Definitional Provisions:
      ---------------------------------

            (a) Unless otherwise specified therein, all terms defined in this
Agreement shall have the defined meanings when used in any Notes or any
certificate or other document made or delivered pursuant hereto.

            (b) Unless otherwise specified herein, all accounting terms used
herein (and in any other Loan Document and any certificate or other document
made or delivered pursuant hereto or thereto) shall be interpreted, all
accounting determinations shall be made, and all financial statements required
to be delivered hereunder shall be prepared, in accordance with GAAP as in
effect from time to time. 

            (c) The words "hereof," "herein" and "hereunder" and words of
similar import when used in this Agreement shall refer to this Agreement as a
whole and not to any particular provision of this Agreement, and Section,
subsection, Schedule and Exhibit references are to this Agreement unless
otherwise specified.

            (d) In the computation of periods of time from a specified date to 
a later specified date, the word "from" means "from and including" and the 
words "to" and "until" each mean "to but excluding". Periods of days referred 
to in this Agreement shall be counted in calendar days unless Business Days are
expressly prescribed. Any period determined hereunder by reference to a month 
or months or year or years shall end on the day in the relevant calendar month 
inthe relevant year, if applicable, immediately preceding the date numerically
corresponding to the first day of such period, provided, that if such period
commences on the last day of a calendar month (or on a day for which there is 
nonumerically corresponding day in the calendar month during which such period 
is to end), such period shall, unless otherwise expressly required by the other
provisions of this Agreement, end on the last day of the calendar month.

            (e) The meanings given to terms defined herein shall be equally
applicable to both the singular and plural forms of such terms.

SECTION 2.  AMOUNT AND TERMS OF TERM LOAN COMMITMENTS

      2.1 Term Loan. 

            (a) Subject to the terms and conditions hereof, each Lender
severally agrees to make a term loan ("Term Loan") pursuant to a single drawing
immediately available to the Borrower on the Term Loan Borrowing Date in an
aggregate principal amount not to exceed the amount of the Term Loan Commitment
of such Lender then in effect. Upon such borrowing, any remaining Term Loan
Commitment shall immediately terminate. Amounts borrowed under this subsection
2.1 and repaid or prepaid may not be reborrowed.

            (b) The Term Loan may from time to time be (a) Eurodollar Loans, 
(b) ABR Loans or (c) a combination thereof, as determined by the Borrower and
notified to the Administrative Agent in accordance with subsections 2.2 and 
5.8.

      2.2 Procedure for Term Loan Borrowing. The Borrower shall give the
Administrative Agent its irrevocable Notice of Borrowing (which notice must be
in writing or by telephone promptly confirmed in writing and must be received 
by the Administrative Agent prior to 11:00 A.M., Charlotte, North Carolina time
(a) three (3) Business Days prior to the requested borrowing date, if all or 
any part of the requested Term Loan is to be initially Eurodollar Loans or (b) 
on the Business Day of the requested borrowing date, otherwise) requesting that
the Lenders make the Term Loan on the requested borrowing date and specifying 
the amount to be borrowed. Upon receipt of any such Notice of Borrowing from 
the Borrower, the Administrative Agent shall promptly notify each Lender 
thereof.  Each Lender will make the amount of its pro rata share of each 
borrowing available to the Administrative Agent for the account of the Borrower
at the office of the Administrative Agent specified in subsection 12.3 prior to
1:00 P.M., Charlotte, North Carolina time on the borrowing date, in funds 
immediately available to the Administrative Agent. Such borrowing will then be 
made available to the Borrower by the Administrative Agent transferring to an 
account (which shall be maintained for such purpose by the Administrative 
Agent) with the aggregate of the amounts made available to the Administrative 
Agent by the Lenders and in like funds as received by the Administrative Agent.

      2.3 Amortization of Term Loan. 

            (a) The Borrower shall repay the Term Loan commencing on
September 30, 1997 in twenty consecutive quarterly installments on the last 
date of each September, December, March and June (or, if such date is not a 
Business Day, on the immediately preceding Business Day), installments one
through nineteen shall be equal to 3.57% of the aggregate principal amount of 
the Term Loan outstanding on the Term Loan Conversion Date (after giving effect
to any prepayments required by subsection 5.6 and which amount shall be reduced
as a result of the application of further prepayments pursuant to subsection 
5.4) and installment twenty (to be made on the Term Loan Termination Date) 
shall be equal to any and all remaining amounts of principal and interest.

            (b) The Borrower shall repay any then-outstanding amount of the 
Term Loan on the Term Loan Termination Date.

      2.4 Use of Proceeds of Term Loan. The proceeds of the Term Loan shall be
utilized by the Borrower to (a) finance the acquisition of ASEC (including the
repayment of outstanding indebtedness of ASEC on the Closing Date) and (b) for
other general corporate purposes. 

SECTION 3.  AMOUNT AND TERMS OF REVOLVING CREDIT COMMITMENTS

      3.1 Revolving Credit Commitments. 

            (a) Subject to the terms and conditions hereof, each Lender
severally agrees to make revolving credit loans ("Revolving Credit Loans")
immediately available to the Borrower from time to time during the Revolving
Credit Commitment Period in an aggregate principal amount at any one time
outstanding which, when added to such Lender's Revolving Credit Commitment
Percentage of the then outstanding L/C Obligations and such Lender's Revolving
Credit Commitment Percentage of the Swing Line Loans do not exceed such
Lender's Revolving Credit Commitment provided, that no additional loan will 
exceed the Available Revolving Credit Commitment. During the Revolving Credit 
Commitment Period the Borrower may use the Revolving Credit Commitments by 
borrowing, prepaying the Revolving Credit Loans in whole or in part, and 
reborrowing, all in accordance with the terms and conditions hereof.

            (b) The Revolving Credit Loans may from time to time be (i)
Eurodollar Loans, (ii) ABR Loans or (iii) a combination thereof, as determined
by the Borrower and notified to the Administrative Agent in accordance with
subsections 3.2 and 5.8, provided that no Revolving Credit Loan shall be made 
as a Eurodollar Loan after the day that is one month prior to the Maturity 
Date. 

      3.2 Procedure for Revolving Credit Borrowing. The Borrower may borrow
under the Revolving Credit Commitments during the Revolving Credit Commitment
Period on any Business Day, provided that the Borrower shall deliver to the
Administrative Agent the Borrower's irrevocable Notice of Borrowing which
notice must be in writing or by telephone promptly confirmed in writing prior 
to 11:00 A.M., Charlotte, North Carolina time, (a) three (3) Business Days 
prior to the requested borrowing date, if all or any part of the requested 
Revolving Credit Loans are to be initially Eurodollar Loans or (b) on the day 
of the requested borrowing date, otherwise. Upon receipt of any such Notice of 
Borrowing from the Borrower, the Administrative Agent shall promptly notify 
each Lender thereof. Each Lender will make the amount of its pro rata share of 
each borrowing available to the Administrative Agent for the account of the 
Borrower at the office of the Administrative Agent specified in subsection 12.3
prior to 1:00 P.M., Charlotte, North Carolina time on the borrowing date, in 
funds immediately available to the Administrative Agent. Such borrowing will 
then be made available to the Borrower by the Administrative Agent transferring
to an account (which shall be maintained for such purpose by the Administrative
Agent) with the aggregate of the amounts made available to the Administrative 
Agent by the Lenders and in like funds as received by the Administrative Agent.

      3.3 Use of Proceeds of Revolving Credit Loans. The proceeds of the
Revolving Credit Loans shall be utilized by the Borrower for (a) working 
capital and (b) future acquisitions permitted by this Agreement and (c) other 
general corporate purposes.

      3.4 Swing Line Loan Commitment.

            (a) Subject to the terms and conditions hereof, the Swing Line
Lender, in reliance on the agreements of the other Lenders set forth in
subsection 3.7 may, but shall not be obligated to, make swing line loans 
("Swing Line Loans") immediately available to the Borrower from time to time 
during the Swing Line Loan Borrowing Period, in an aggregate principal amount 
at any one time outstanding which (i) when added to the Aggregate Outstanding 
Extensions of Credit of all Lenders does not exceed the aggregate Available 
Revolving Credit Commitment of all Lenders and (ii) when added to the aggregate
principal amount of all Swing Line Loans outstanding does not exceed the Swing 
Line Loan Maximum Amount. During the Swing Line Loan Commitment Period the
Borrower may use the Swing Line Loan Commitment by borrowing, repaying the 
Swing Line Loans and reborrowing, all in accordance with the terms and 
conditions hereof.

            (b) The Swing Line Loans shall be (i) Federal Funds Loans, (ii) in 
a minimum amount of $1,000,000 or a whole multiple thereof, and (iii) in 
Interest Periods of one (1) day to thirty (30) days.

      3.5 Procedure for Swing Line Loans Borrowing.  The Borrower may borrow
under the Swing Line Loan Commitment during the Swing Line Loan Commitment
Period on any Business Day; provided that the Borrower shall deliver to the
Administrative Agent the Borrower's irrevocable Notice of Borrowing which 
notice must be in writing or by telephone promptly confirmed in writing prior 
to 11:00 A.M., Charlotte, North Carolina time on the day of the requested 
borrowing date.  Upon receipt of any such Notice of Borrowing from the 
Borrower, the Administrative Agent shall promptly notify the Swing Line Lender
thereof. Upon its consent to the borrowing, the Swing Line Lender will make the
amount of the requested borrowing available to the Administrative Agent for the
account of the Borrower at the office of the Administrative Agent specified in
subsection 12.3 prior to 1:00 P.M., Charlotte, North Carolina time on the 
borrowing date, in funds immediately available to the Administrative Agent. 
Such borrowing will then be made available to the Borrower by the 
Administrative Agent transferring to an account (which shall be maintained for 
such purpose by the Administrative Agent) with the aggregate of the amounts 
made available to the Administrative Agent by the Lenders and in like funds as
received by the Administrative Agent.

      3.6 Use of Proceeds of Swing Line Loans. The proceeds of the Swing Line
Loans shall be utilized by the Borrower for those purposes set forth in
subsection 3.3.

      3.7 Refunding Swing Line Loans. 

            (a) The Swing Line Lender may, at any time and in its sole
discretion, on behalf of the Borrower, with respect to any outstanding Swing
Line Loan made to the Borrower, make written request of each Revolving Credit
Lender to make a Revolving Credit Loan to the Borrower (each such request a
"Mandatory Borrowing").

            (b) Each Mandatory Borrowing made pursuant to this subsection 3.7
shall be (i) made on the next succeeding Business Day, (ii) based pro rata on
each Lender's Revolving Credit Commitment Percentage, (iii) initially ABR Loans
which may be converted to Eurodollar loans pursuant to subsection 5.8 and (iv)
applied directly to repay the Swing Line Lender for such outstanding Swing Line
Loans.

            (c) Each Revolving Credit Lender hereby irrevocably consents and
agrees to make such Revolving Credit Loans upon one (1) Business Day's notice
made pursuant to this subsection 3.7 in the amount and in the manner specified
in subsection 3.7(a) and on the date specified in such Mandatory Borrowing
notwithstanding (i) that the Mandatory Borrowing may not comply with the
conditions described in subsection 3.4, (ii) whether any conditions of Section 
6 are then satisfied, (iii) whether a Default or Event of Default under Section
10 has occurred and is continuing, (iv) the date of such Mandatory Borrowing, 
and (v) any reduction in the Available Revolving Credit Commitment after any 
such Swing Line Loans were made. 

            (d) The Borrower hereby irrevocably consents and agrees by its
incurrence of any Swing Line Loan to the making of any Mandatory Borrowing with
respect to such Swing Line Loan.

            (e) In the event that the Mandatory Borrowing required to be made
pursuant to this subsection 3.7 cannot for any reason be made on the date
otherwise required above (including, without limitation, as a result of the
commencement of a proceeding under subsection 10(f) in respect of the 
Borrower), each Revolving Credit Lender (other than the Swing Line Lender 
making such request) hereby agrees that it shall forthwith purchase from such
such Swing Line Lender (without recourse or warranty) such assignment of the
outstanding Swing Line Loans as shall be necessary to cause the Revolving 
Credit Lenders to share in such Swing Line Loans ratably based upon each 
Lender's Revolving Credit Commitment Percentage; provided, that all interest 
payable on the Swing Line Loans shall be for the account of the Swing Line 
Lender making such request until the date the respective assignment is 
purchased and, to the extent attributable to the purchased assignment, shall be
payable to the Revolving Credit Lender purchasing the same pursuant to this 
subsection 3.7 from and after such date of purchase.

SECTION 4.  AMOUNT AND TERMS OF LETTER OF CREDIT SUB-FACILITY

      4.1 L/C Commitment. 

            (a) Subject to the terms and conditions hereof, each Issuing Bank,
in reliance on the agreements of the other Lenders set forth in subsection
4.4(a), severally agrees to issue any Letters of Credit requested to be issued
by it and so issued by it for the account of the Borrower on any Business Day
during the Revolving Credit Commitment Period in such form as may be approved
from time to time by such Issuing Bank; provided that such Issuing Bank shall
have no obligation to issue any Letter of Credit if, after giving effect to 
such issuance, such Issuing Bank has knowledge that (i) the L/C Obligations
would exceed the L/C Commitment, or (ii) the Available Revolving Credit 
Commitment would be less than zero.

            (b) Each Letter of Credit shall:

                   (i)  be either (1) a standby letter of credit issued to
            support obligations of the Borrower or any of its Subsidiaries,
            contingent or otherwise, for which Revolving Credit Loans would be
            available (a "Standby Letter of Credit"), or (2) a commercial 
            letter of credit issued in respect of the purchase of goods or 
            services by the Borrower or any of its Subsidiaries in the ordinary
            course of business for which Revolving Credit Loans would be 
            available (a "Commercial Letter of Credit");

                   (ii) be (1) issued from an office of the Issuing Bank in the
            United States and (2) denominated in Dollars; and

                   (iii)      expire no later than the earlier of (1) one year
            following the date of issuance thereof and (2) five (5) days prior
            to the Maturity Date; provided that any Letter of Credit may 
            provide for renewal thereof for additional one-year periods on an
            "evergreen" basis (but not, in any event, beyond the date referred
            to in clause (2) above).

            (c) Each Letter of Credit shall be subject to the Uniform Customs
and, to the extent not inconsistent therewith, the laws of the State of
Maryland.

            (d) No Issuing Bank shall at any time be obligated to issue any
Letter of Credit hereunder if such issuance would conflict with, or cause such
Issuing Bank or any L/C Participant to exceed any limits imposed by, any
applicable Requirement of Law.

            (e) Notwithstanding the foregoing, in the event a Bank Default
exists, the Issuing Bank shall not be required to issue any Letter of Credit
unless the Issuing Bank has entered into arrangements satisfactory to it and
the Borrower to eliminate the Issuing Bank's additional risk with respect to 
the participation in Letters of Credit of the Defaulting Lender or Defaulting
Lenders, including by cash collateralizing such Defaulting Lender or Lender's
Revolving Credit Commitment Percentage of the applicable outstanding L/C
Obligations.

      4.2 Procedure for Issuance of Letters of Credit. The Borrower shall
request that such Issuing Bank issue a Letter of Credit by delivering to such
Issuing Bank at its address for notices specified herein an Application
therefor, completed to the satisfaction of the Issuing Bank, and such other
certificates, documents and other papers and information as the Issuing Bank 
may request. Upon receipt of any Application, the Issuing Bank will process 
such Application and the certificates, documents and other papers and 
information delivered to it in connection therewith in accordance with its
customary procedures and shall promptly issue the Letter of Credit requested
thereby by issuing the original of such Letter of Credit to the beneficiary
thereof or as otherwise may be agreed by the Issuing Bank and the Borrower;
provided that the Issuing Bank shall in no event be required to issue any 
Letter of Credit earlier than three (3) Business Days after its receipt of the
Application therefor and all such other certificates, documents and other 
papers and information relating thereto. In the event that the Letter of Credit
to be issued is a Standby Letter of Credit, the Issuing Bank shall furnish a 
copy of such Standby Letter of Credit to each of the Administrative Agent and 
the Borrower promptly following the issuance thereof.

      4.3 Fees, Commissions and Other Charges. 

            (a) The Borrower shall pay to the Administrative Agent, for the
account of each Issuing Bank and the L/C Participants, with respect to each
Commercial Letter of Credit issued by such Issuing Bank a fee in an amount 
equal to the applicable Commitment Fee rate then in effect plus 1/4 of 1% per 
annum on the amount available to be drawn under each Commercial Letter of 
Credit payable on the date of issuance of such Commercial Letter of Credit and
shall be nonrefundable (the "Commercial L/C Fee"). 

            (b) The Borrower shall pay to the Administrative Agent, for the
account of each Issuing Bank and the L/C Participants, a letter of credit
commission with respect to each Standby Letter of Credit issued by such Issuing
Bank, computed for each day during the period for which payment is due at the
rate per annum equal to the Applicable Margin for the Revolving Credit Facility
in effect for Eurodollar Loans on such date (calculated on the basis of a 360
day year) times the aggregate amount available to be drawn under such Standby
Letter of Credit on such date. Such commissions shall be payable quarterly, in
advance, on each L/C Fee Payment Date and shall be nonrefundable.

            (c) The Borrower shall pay to the relevant Issuing Bank, for its 
own account a fronting fee in the amount equal to 1/4 of 1% per annum on the
face amount of each Standby Letter of Credit issued by it. The fronting fee 
shall be calculated on the basis of a 360 day year and shall be payable 
quarterly, in advance, on each L/C Fee Payment Date. 

            (d) In addition to the foregoing fees and commissions, the Borrower
shall pay or reimburse each Issuing Bank for such normal and customary costs 
and expenses as are incurred or charged by such Issuing Bank issuing, effecting
payment under, amending or otherwise administering any Letter of Credit issued
by it.

            (e) The Administrative Agent shall, promptly following its receipt
thereof, distribute to the relevant Issuing Bank and the L/C Participants all
fees and commissions received by the Administrative Agent for their respective
accounts pursuant to subsection 4.3.

      4.4 L/C Participations. 

            (a) Each Issuing Bank irrevocably agrees to grant and hereby grants
to each L/C Participant, and, to induce such Issuing Bank to issue Letters of
Credit hereunder, each L/C Participant irrevocably agrees to accept and 
purchase and hereby accepts and purchases from the Issuing Bank, on the terms
and conditions hereinafter stated, for such L/C Participant's own account and
risk an undivided interest equal to such L/C Participant's Revolving Credit
Commitment Percentage in the Issuing Bank's obligations and rights under each
Letter of Credit issued by it hereunder and the amount of each draft paid by 
the Issuing Bank thereunder. Each L/C Participant unconditionally and 
irrevocably agrees with such Issuing Bank that, if a draft is paid under any
Letter of Credit for which such Issuing Bank is not reimbursed in full by the 
Borrower in accordance with the terms of this Agreement, such L/C Participant
shall pay to such Issuing Bank (through the Administrative Agent) upon demand 
an amount equal to such L/C Participant's Revolving Credit Commitment 
Percentage of the amount of such draft, or any part thereof, which is not so
reimbursed.

            (b) If any amount required to be paid by any L/C Participant to an
Issuing Bank pursuant to paragraph 4.4(a) in respect of any unreimbursed 
portion of any payment made by such Issuing Bank under any Letter of Credit
issued by it is paid to such Issuing Bank within three (3) Business Days after
the date such payment is due, such L/C Participant shall pay to such Issuing
Bank (through the Administrative Agent) on demand an amount equal to the 
product of (i) such amount, times (ii) the daily average Federal Funds 
Effective Rate, as quoted by such Issuing Bank, during the period from and 
including the date such payment is required to the date on which such payment 
is immediately available to such Issuing Bank, times (iii) a fraction the 
numerator of which is the number of days that elapse during such period and the
denominator of which is 360. If any such amount required to be paid by any L/C
Participant pursuant to paragraph 4.4(a) is not in fact made available to such
Issuing Bank by such L/C Participant within three (3) Business Days after the
date such payment is due, such Issuing Bank shall be entitled to recover from
such L/C Participant, on demand, such amount with interest thereon calculated
from such due date at the rate per annum applicable to ABR Loans hereunder. A
certificate of such Issuing Bank submitted to any L/C Participant (through the
Administrative Agent) with respect to any amounts owing under this subsection
4.4 shall be conclusive in the absence of manifest error.

            (c) Whenever, at any time after an Issuing Bank has made payment
under any Letter of Credit and has received from any L/C Participant its pro
rata share of such payment in accordance with subsection 4.4(a), such Issuing
Bank receives any payment related to such Letter of Credit (whether directly
from the Borrower or otherwise, including proceeds of collateral applied 
thereto by such Issuing Bank), or any payment of interest on account thereof,
such Issuing Bank will distribute to the Administrative Agent (for the account
of such L/C Participant) such L/C Participant's pro rata share thereof; 
provided, however, that in the event that any such payment received by such
Issuing Bank shall be required to be returned by such Issuing Bank, such L/C
Participant shall return to such Issuing Bank (through the Administrative
Agent) the portion thereof previously distributed by such Issuing Bank to it.

      4.5 Reimbursement Obligation of the Borrower. 

            (a) The Borrower agrees to reimburse each Issuing Bank on each date
on which such Issuing Bank notifies the Borrower of the date and amount of a
draft presented under any Letter of Credit issued by such Issuing Bank and paid
by such Issuing Bank for the amount of (i) such draft so paid and (ii) any
taxes, fees, charges or other costs or expenses incurred by the Lenders in
connection with such payment. Each such payment shall be made to such Issuing
Bank at its address for notices specified herein in Dollars and in immediately
available funds.

            (b) Each drawing under any Letter of Credit shall (unless it is
reimbursed by the Borrower on the date of drawing) constitute a request by the
Borrower to the Administrative Agent for a borrowing pursuant to subsection 3.2
of ABR Loans in the amount of such drawing. The borrowing date with respect to
such borrowing shall be the date of such drawing.

            (c) In the event that any amount cannot be drawn as an ABR Loan
pursuant to subsection 4.5(b), interest shall be payable on any and all amounts
remaining unpaid by the Borrower under this subsection 4.5 from the date such
amounts become payable (whether at stated maturity, by acceleration or
otherwise) until payment in full at the rate which would be payable on any
outstanding ABR Loans which were then overdue.

      4.6 Obligations Absolute. 

            (a) The Borrower's obligations under this Section 4 shall be
absolute and unconditional under any and all circumstances and irrespective of
any set-off, counterclaim or defense to payment which the Borrower may have or
have had against any Issuing Bank or any beneficiary of a Letter of Credit.

            (b) The Borrower also agrees with each Issuing Bank that such
Issuing Bank shall not be responsible for, and the Borrower's Reimbursement
Obligations under subsection 4.5(a) shall not be affected by, among other
things, (i) the validity or genuineness of documents or of any endorsements
thereon, even though such documents shall in fact prove to be invalid,
fraudulent or forged, or (ii) any dispute between or among the Borrower and any
beneficiary of any Letter of Credit or any other party to which such Letter of
Credit may be transferred or (iii) any claims whatsoever of the Borrower against
any beneficiary of such Letter of Credit or any such transferee.

            (c) No Issuing Bank shall be liable for any error, omission,
interruption or delay in transmission, dispatch or delivery of any message or
advice, however transmitted, in connection with any Letter of Credit issued by
such Issuing Bank, except for errors or omissions caused by such Issuing Bank's
gross negligence or willful misconduct.

            (d) The Borrower agrees that any action taken or omitted by an
Issuing Bank under or in connection with any Letter of Credit or the related
drafts or documents, if done in the absence of gross negligence or willful
misconduct and in accordance with the standards of care specified in the 
Uniform Commercial Code of the State of Maryland, shall be binding on the 
Borrower and shall not result in any liability of such Issuing Bank to the
Borrower.

      4.7 Letter of Credit Payments. The responsibility of each Issuing Bank to
the Borrower in connection with any draft presented for payment under any 
Letter of Credit shall, in addition to any payment obligation expressly 
provided for in such Letter of Credit, be limited to determining that the 
documents (including each draft) delivered under such Letter of Credit in 
connection with such presentment are in conformity with such Letter of Credit.

      4.8 Application. To the extent that any provision of any Application
related to any Letter of Credit is inconsistent with the provisions of this
Section 4, the provisions of this Section 4 shall apply.

SECTION 5.  PROVISIONS RELATING TO THE EXTENSIONS OF CREDIT; FEES
            AND PAYMENTS

      5.1 Repayment of Loans; Evidence of Indebtedness. 

            (a) The Borrower hereby unconditionally promises to pay to the
Administrative Agent for the account of each applicable Lender (i) the then
unpaid principal amount of each Revolving Credit Loan on the Maturity Date (or
such earlier date on which the Revolving Credit Loans become due and payable
pursuant to Section 10), (ii) the then unpaid principal amount of each Swing
Line Loan on the Swing Line Loan Termination Date (or such earlier date on 
which the Swing Line Loans become due and payable pursuant to Section 10) and
(iii) the principal amount of the Term Loan on the dates and in the amounts set
forth in subsection 2.3 (or the then unpaid principal amount of such Term Loan,
on the date that the Term Loan becomes due and payable pursuant to Section 10).
The Borrower hereby further agrees to pay interest on the unpaid principal
amount of the Loans from time to time outstanding from the date hereof until
payment in full thereof at the rates per annum, and on the dates, set forth in
subsection 5.10.

            (b)  Each Lender shall maintain in accordance with its usual
practice an account or accounts evidencing Indebtedness of the Borrower to the
Lender resulting from each loan of such Lender from time to time, including the
amounts of principal and interest payable and paid to such Lender from time to
time under this Agreement.

            (c) The Administrative Agent shall maintain the Register pursuant 
to subsection 12.8(d) and a subaccount therein for each Lender, in which shall
be recorded (i) the amount of each Revolving Credit Loan, Swing Line Loan and 
Term Loan made hereunder, the Type thereof and each Interest Period applicable
thereto, (ii) the amount of any principal or interest due and payable or to
become due and payable from the Borrower to the Lenders hereunder and (iii) the
amount and date of any sum received by the Administrative Agent hereunder from
the Borrower.

            (d) The entries made in the Register and the accounts of each 
Lender maintained pursuant to subsection 12.8(d) shall, to the extent permitted
by applicable law, be prima facie evidence of the existence and amounts of the
obligations of the Borrower therein recorded; provided, however, that the
failure of any Lender or the Administrative Agent to maintain the Register or
any such account, or any error therein, record or any error in any record shall
not in any manner affect the obligation of the Borrower to repay (with
applicable interest) the Loans made to such Borrower by the Lenders in
accordance with the terms of this Agreement.

            (e) The Borrower agrees that, upon request of any Lender through 
the Administrative Agent, the Borrower will execute and deliver to such Lender
(i) a promissory note of the Borrower evidencing the Term Loan of such Lender,
substantially in the form of Exhibit A with appropriate insertions as to date
and principal amount (the "Term Note"); (ii) a promissory note of the Borrower
evidencing the Revolving Credit Loans of such Lender, substantially in the form
of Exhibit B with appropriate insertions as to date and principal amount (a
"Revolving Credit Note"); and (iii) with respect to such Swing Line Lender, a
promissory note of the Borrower evidencing the Swing Line Loans of such Swing
Line Lender, substantially in the form of Exhibit C with appropriate insertions
as to date and principal amount (a "Swing Line Note").

      5.2 Commitment Fee. 

            (a) The Borrower agrees to pay the Commitment Fee.

            (b) Such Commitment Fee shall be calculated on the basis of a 365 
or a 366 day year as the case may be.

            (c) Such Commitment Fee shall be payable quarterly, in arrears, on
the last Business Day of each September, December, March and June (other than
June 30, 1997) and the Maturity Date or such earlier date as the Revolving
Credit Commitments shall terminate as provided herein, commencing on the first
of such dates to occur after the date hereof.

      5.3 Agent's Fees.  The Borrower agrees to pay to the Administrative
Agent, for its own account, such fees as may be agreed from time to time 
between the Borrower and the Administrative Agent, when and as due.

      5.4 Optional Prepayments. The Borrower may at any time and from time to
time prepay the Loans, in whole or in part, without premium or penalty, upon at
least three (3) Business Days' (or, in the case of prepayments of ABR Loans, 
one (1) Business Day's) notice to the Administrative Agent (which notice must 
be received by the Administrative Agent prior to 11:00 A.M., Charlotte, North
Carolina time, on the date upon which such notice is due and shall be
irrevocable except in connection with prepayments that are contingent on sales
of assets to the extent of such contingency), specifying the date and amount of
prepayment and whether the prepayment is of Eurodollar Loans, Federal Funds
Loans, ABR Loans or a combination thereof, and, if of a combination thereof, 
the amount allocable to each. Upon receipt of any such notice the 
Administrative Agent shall promptly notify each Lender thereof. If any such 
notice is given and not withdrawn prior to the date upon which payment is made,
the amount specified in such notice shall be due and payable on the date 
specified therein, together with any amounts payable pursuant to subsection 
5.17 and, except in the case of prepayments of Revolving Credit Loans that are
ABR Loans, accrued interest to such date on the amount prepaid. Partial 
prepayments, in the case of Revolving Credit Loans that are ABR Loans, shall be
in an aggregate principal amount of $100,000, or a whole multiple thereof. 
Partial prepayments in the case of Revolving Credit Loans that are Eurodollar
Loans shall be in an aggregate principal amount of $500,000 or a whole multiple
of $200,000 in excess thereof.  Partial prepayments in the case of Swing Line
Loans shall be in an aggregate principal amount of $1,000,000 or a whole 
multiple of $1,000,000 in excess thereof.

      5.5 Optional Termination or Reduction of Commitments. The Borrower shall
have the right, upon not less than three (3) Business Days' notice to the
Administrative Agent, to terminate the Commitments or, from time to time, to
reduce the amount of the Commitments; provided that no such termination or
reduction shall be permitted (i) with respect to the Revolving Credit
Commitments to the extent that after giving effect thereto and to any
prepayments of the Revolving Credit Loans made on the effective date thereof,
the aggregate principal amount of the Revolving Credit Loans then outstanding,
when added to the then outstanding L/C Obligations and the then outstanding
Swing Line Loans, would exceed the Revolving Credit Commitments then in effect
and (ii) with respect to the Swing Line Loan Commitment to the extent that 
after giving effect thereto and to any prepayments of the Swing Line Loans made
on the effective date thereof, the aggregate principal amount of the Swing Line
Loans then outstanding would exceed the Swing Line Loan Commitment then in 
effect. Any such reduction shall be in an amount equal to $500,000 or a whole
multiple of $200,000 in excess thereof and shall reduce permanently the 
affected Commitments then in effect.

      5.6 Mandatory Prepayments. If at any time the sum of (i) the Aggregate
Outstanding Extensions of Credit for all Lenders plus (ii) the then outstanding
Swing Line Loans exceeds the Revolving Credit Commitments, the Borrower shall
immediately repay the Swing Line Loans and/or the Revolving Credit Loans and/or
deposit (by such procedure acceptable to the Administrative Agent) with the
Administrative Agent, for the benefit of the Lenders, in an amount equal to the
amount that may be drawn under outstanding Letters of Credit (whether or not 
the beneficiaries of the then outstanding Letters of Credit shall have 
presented the documents required thereunder), such repayments and deposits to
be in an aggregate amount equal to such excess.

      5.7 Application of Prepayments.  

            (a) Unless the Borrower otherwise elects and subject to subsection
5.7(b) any payments of the Loans and reductions of the Commitments made 
pursuant to subsections 5.4, 5.5 or 5.6 shall be applied (i) first, to the 
prepayment of the Swing Line Loans, second, to the prepayment of the Revolving
Credit Loans and third, to the prepayment of the Term Loan (with such 
prepayment beingapplied ratably to the then remaining unpaid installments 
thereof) and (ii) first, to the prepayment of Federal Funds Loans, second, to 
the prepayment of ABR Loans and, third, to the prepayment of Eurodollar Loans.

            (b)  Any payments of the Loans and reductions of the Commitments
made pursuant to subsections 5.4, 5.5 or 5.6 shall not be applied to the
prepayment of the Loans of a Defaulting Lender at any time (i) under the Term
Loan Facility when the aggregate amount of Term Loans of any Non-Defaulting
Lender exceeds such Non-Defaulting Lender's Term Loan Commitment Percentage of
all Term Loans then outstanding or (ii) under the Revolving Credit Facility 
when the aggregate amount of Revolving Loans of any Non-Defaulting Lender 
exceeds such Non-Defaulting Lender's Revolving Commitment Percentage of all 
Revolving Loans then outstanding. 

      5.8 Conversion and Continuation Options. 

            (a) The Borrower may elect from time to time to convert Eurodollar
Loans to ABR Loans by delivering to the Administrative Agent an irrevocable
Notice of Borrowing by 11:00 A.M., Charlotte, North Carolina time, on the
requested date of conversion; provided that any such conversion of Eurodollar
Loans may only be made on the last day of an Interest Period with respect
thereto. The Borrower may elect from time to time to convert ABR Loans to
Eurodollar Loans by delivering to the Administrative Agent an irrevocable 
Notice of Borrowing by 11:00 A.M., Charlotte, North Carolina time, at least 
three (3) Business Days prior to the requested conversion date. Any such Notice
of Borrowing with respect to a conversion to Eurodollar Loans shall specify the
length of the initial Interest Period or Interest Periods therefor. Upon 
receipt of any such Notice of Borrowing the Administrative Agent shall promptly
notify each Lender thereof. All or any part of outstanding Eurodollar Loans and
ABR Loans may be converted as provided herein, provided that (i) no Loan may be
converted into a Eurodollar Loan when any Default or Event of Default has
occurred and is continuing and the Administrative Agent has or the Majority
Lenders have determined that such a conversion is not appropriate and (ii) no
Loan may be converted into a Eurodollar Loan after the date that is one month
prior to the Maturity Date (in the case of conversions of Revolving Credit
Loans) or the date of the final installment of principal of the Term Loan.  Any
ABR Loan not converted to a Eurodollar Loan hereunder shall continue as an ABR
Loan.

            (b) Any Fixed Rate Loans may be continued as Fixed Rate Loans of 
the same Type upon the expiration of the then current Interest Period with 
respect thereto by the Borrower delivering to the Administrative Agent an 
irrevocable Notice of Borrowing, in accordance with the applicable provisions 
of the term "Interest Period" set forth in subsection 1.1, of the length of the
next Interest Period to be applicable to such Loans, provided that:

                   (i)  no Eurodollar Loan may be continued as such when any
            Event of Default has occurred and is continuing and the
            Administrative Agent has or the Majority Lenders have determined
            that such a continuation is not appropriate;

                   (ii) no Federal Funds Loan may be continued as such without
            the consent of the Swing Line Lender;

                   (iii)      no Revolving Credit Loan may be continued as such
            after the date that is one month prior to the Maturity Date;

                   (iv) no Swing Line Loan may be continued as such after the
            Swing Line Loan Termination Date;

                   (v)  no Term Loan may be continued after the date of the
            final installment of principal of the Term Loan;

and provided, further, that if the Borrower shall fail to give such notice or 
if such continuation is not permitted such Loans shall be automatically 
converted to ABR Loans on the last day of such then expiring Interest Period. 
Upon receipt of any such Notice of Borrowing the Administrative Agent shall 
promptly notify each Lender thereof.

      5.9 Minimum Amounts and Maximum Number of Tranches. 

            (a) All borrowings, conversions and continuations of Fixed Rate
Loans hereunder and all selections of Interest Periods hereunder shall be in
such amounts and be made pursuant to such elections so that, after giving 
effect thereto, the aggregate principal amount of (i) the Eurodollar Loans 
comprising each Tranche shall be equal to $500,000 or a whole multiple of 
$200,000 in excess thereof and (ii) the Federal Funds Loans comprising each 
Tranche shall be equal to $1,000,000 or a whole multiple of $100,000 thereof. 
In no event shall there be more than 6 Tranches of Fixed Rate Loans outstanding
at any time.

            (b) All borrowings and repayments of ABR Loans hereunder shall 
be in such amounts so that, after giving effect thereto, the aggregate 
principal amount of the ABR Loans shall be equal to $100,000 or a whole 
multiple of $100,000 in excess thereof.

      5.10 Interest Rates and Payment Dates. 

            (a) Each Fixed Rate Loan shall bear interest for each day during
each Interest Period with respect thereto at a rate per annum equal to the
Applicable Fixed Rate determined for such day plus the Applicable Margin in
effect for such day.

            (b) Each ABR Loan shall bear interest at a rate per annum equal to
the ABR plus the Applicable Margin in effect for such day.

            (c) If all or a portion of (i) any principal of any Loan, (ii) any
interest payable thereon, (iii) any Commitment Fee or (iv) any other amount
payable hereunder shall not be paid when due (whether at the stated maturity, 
by acceleration or otherwise), the principal of the Loans and any such overdue
interest, Commitment Fee or other amount shall bear interest at a rate per 
annum which is (x) in the case of principal, the rate that would otherwise be
applicable thereto pursuant to the foregoing provisions of this subsection
5.10(d) plus 2% or (y) in the case of any such overdue interest, commitment fee
or other amount, the rate described in paragraph (b) of this subsection plus 
2%, in each case from the date of such non-payment until such overdue 
principal, interest, commitment fee or other amount is paid in full (as well
after as before judgment).

            (d) Interest on each Loan shall be payable in arrears on each
Interest Payment Date and shall accrue from and including the date such Loan is
made or continued to be made but excluding the date of repayment thereof,
provided that interest accruing pursuant to paragraph (d) of this subsection
shall be payable from time to time on demand.

            (e) Notwithstanding anything to the contrary contained herein, in 
no event shall the Borrower be obligated to pay interest in excess of the 
maximum amount which is chargeable under applicable law.

      5.11 Computation of Interest and Fees. 

            (a) The Commitment Fee shall be calculated in accordance with
Subsection 5.2. Interest shall be calculated on the basis of a 360-day year for
the actual days elapsed. The Administrative Agent shall as soon as practicable
notify the Borrower and the Lenders of each determination of the Applicable
Fixed Rate. Any change in the interest rate on a Loan resulting from a change 
in the ABR or the Eurocurrency Reserve Requirements shall become effective as 
of the opening of business on the day on which such change becomes effective. 

            (b)  Each determination of an interest rate by the Administrative
Agent pursuant to any provision of this Agreement shall be conclusive and
binding on the Borrower and the Lenders in the absence of manifest error. The
Administrative Agent shall, at the request of the Borrower, deliver to the
Borrower a statement showing the quotations used by the Administrative Agent in
determining any interest rate pursuant to subsection 5.10(a).

      5.12 Inability to Determine Interest Rate. 

            (a) If prior to the first day of any Interest Period pertaining to
Eurodollar Loans: 

                   (i)  the Administrative Agent shall have determined (which
            determination shall be conclusive and binding upon the Borrower in
            the absence of manifest error) that, by reason of circumstances
            affecting the relevant market, adequate and reasonable means do not
            exist for ascertaining the Eurodollar Rate for such Interest 
            Period; or

                   (ii) the Administrative Agent shall have received notice 
            from the Majority Lenders that the Eurodollar Rate determined or 
            to be determined for such Interest Period will not adequately and
            fairly reflect the cost to such Lenders (as conclusively certified
            by such Lenders) of making or maintaining their affected Loans 
            during such Interest Period; 

The Administrative Agent shall give telecopy or telephonic notice thereof to 
the Borrower and the Lenders as soon as possible thereafter. If such notice is
given, (i) any Eurodollar Loans requested to be made on the first day of such
Interest Period shall be made as ABR Loans, (ii) any Loans that were to have
been converted on the first day of such Interest Period to Eurodollar Loans
shall be converted to or continued as ABR Loans and (iii) any outstanding
Eurodollar Loans shall be converted, on the first day of such Interest Period,
to ABR Loans. Until such notice has been withdrawn by the Administrative Agent,
no further Eurodollar Loans shall be made or continued as such, nor shall the
Borrower have the right to convert Loans to Eurodollar Loans.
 
      5.13 Pro Rata Treatment and Payments. 

            (a) Each borrowing by the Borrower from the Lenders hereunder 
(other than Swing Line Loans), each payment by the Borrower on account of any
Commitment Fee hereunder and any reduction of the Commitments of the Lenders
shall be made pro rata according to the respective relevant Commitment
Percentages of the Lenders holding obligations in respect of which such amounts
were paid. Each payment (including each prepayment) by the Borrower on account
of principal of and (subject to the provisions of subsections 5.4, 5.6, 5.7 and
5.8) interest on the Loans (other than Swing Line Loans) shall be made pro rata
according to the respective outstanding principal amounts of such Loans then
held by the Lenders. Except as otherwise set forth herein, all payments
(including prepayments) to be made by the Borrower hereunder, whether on 
account of principal, interest, fees or otherwise, shall be made without set 
off or counterclaim and shall be made prior to 2:00 P.M., Charlotte, North 
Carolina time, on the due date thereof to the Administrative Agent, for the 
account of the applicable Lenders, at the Administrative Agent's office 
specified in subsection 12.3, in Dollars and in immediately available funds. 
The Administrative Agent shall distribute such payments to the Lenders holding
obligations on account of which such amounts were paid promptly upon receipt in
like funds as received. If any payment hereunder becomes due and payable on a
day other than a Business Day, such payment shall be extended to the next
succeeding Business Day, and, with respect to payments of principal, interest
thereon shall be payable at the then applicable rate during such extension.

            (b) All such payments shall be applied first to accrued and unpaid
fees and expenses payable hereunder, second to accrued and unpaid interest on
the applicable Loan and third, in accordance with subsection 5.7(a), to reduce
the outstanding principal balance of such Loan.

            (c) Unless the Administrative Agent shall have been notified in
writing by any Lender prior to a borrowing that such Lender will not make the
amount that would constitute its relevant Commitment Percentage of such
borrowing available to the Administrative Agent, the Administrative Agent may
assume that such Lender is making such amount available to the Administrative
Agent, and the Administrative Agent may, in reliance upon such assumption, make
available to the Borrower a corresponding amount. If such amount is not made
available to the Administrative Agent by the required time on the borrowing 
date therefor, such Lender shall pay to the Administrative Agent, on demand,
such amount with interest thereon at a rate equal to the daily average Federal
Funds Effective Rate for the period until such Lender makes such amount 
immediately available to the Administrative Agent. A certificate of the 
Administrative Agent submitted to any Lender with respect to any amounts owing
under this subsection 5.13 shall be conclusive in the absence of manifest 
error. If such Lender's relevant Commitment Percentage of such borrowing is not
made available to the Administrative Agent by such Lender within three (3)
Business Days of such borrowing date, the Administrative Agent shall also be 
entitled to recover such amount with interest thereon at the rate per annum 
applicable to ABR Loans hereunder, on demand, from the Borrower.

      5.14 Illegality. Notwithstanding any other provision herein, if the
adoption of or any change in any Requirement of Law or in the interpretation or
application thereof, in each case after the Closing Date, shall make it 
unlawful for any Lender to make or maintain Fixed Rate Loans, as the case may
be, as contemplated by this Agreement, (a) the commitment of such Lender 
hereunder to make Fixed Rate Loans, continue Fixed Rate Loans as such or 
convert ABR Loans to Eurodollar Loans, as the case may be, shall forthwith be 
suspended to the extent unlawful and (b) to the extent unlawful the Lenders'
Loans then outstanding as Fixed Rate Loans, if any, shall be converted 
automatically to ABR Loans on the respective last days of the then current 
Interest Periods with respect to such Loans or within such earlier period as 
required by law. If any such conversion of a Fixed Rate Loan occurs on a day 
which is not the last day of the then current Interest Period with respect 
thereto, the Borrower shall pay to such Lender such amounts, if any, as may be
required pursuant to subsection 5.17. 

      5.15 Requirements of Law. 

            (a) If the adoption of or any change in any applicable Requirement
of Law or in the interpretation or application thereof or compliance by any
Lender with any request or directive (whether or not having the force of law)
from any central bank or other Governmental Authority charged with the
interpretation or administration thereof made subsequent to the date hereof:

                   (i)  shall subject any Lender to any tax of any kind
            whatsoever with respect to this Agreement, any Note, any Letter of
            Credit, any Application or any Fixed Rate Loan made by it, or 
            change the basis of taxation of payments to such Lender in 
            respect thereof (except for Non-Excluded Taxes covered by 
            subsection 5.16 and changes in the rate of net income taxes or 
            franchise taxes (imposed in lieu of net income taxes) of such 
            Lender);

                   (ii) shall impose, modify or hold applicable any reserve,
            special deposit, compulsory loan or similar requirement against
            assets held by, deposits or other liabilities in or for the account
            of, advances, loans or other extensions of credit by, or any other
            acquisition of funds by, any office of such Lender which is not
            otherwise included in the determination of the Applicable Fixed 
            Rate hereunder; or

                   (iii)      shall impose on such Lender any other condition; 
and the result of any of the foregoing is to increase the cost to such Lender,
by an amount which such Lender deems to be material, of making, converting into
(with respect to Eurodollar Loans), continuing or maintaining Fixed Rate Loans,
or issuing or participating in Letters of Credit or to reduce any amount
receivable hereunder in respect thereof, then, in any such case, the Borrower
shall promptly pay such Lender such additional amount or amounts as will
compensate such Lender for such increased cost or reduced amount receivable
within thirty (30) days after receipt of the notice referred to in paragraph 
(c) below.

            (b) If any Lender shall have determined that the adoption of or any
change in any Requirement of Law regarding capital adequacy or in the
interpretation or application thereof or compliance by any corporation
controlling such Lender with any request or directive regarding capital 
adequacy (whether or not having the force of law, if compliance therewith is a
customary banking practice) from any Governmental Authority made subsequent to
the date hereof shall have the effect of reducing the rate of return on such
Lender's or such corporation's capital as a consequence of its obligations 
hereunder or under any Letter of Credit to a level below that which such Lender
or such corporation could have achieved but for such adoption, change or
compliance (taking into consideration such Lender's or such corporation's 
policies with respect to capital adequacy) by an amount deemed by such Lender 
to be material, then from time to time, the Borrower shall pay to such Lender
such additional amount or amounts as will compensate such Lender for such 
reduction within thirty (30) days after receipt of the notice referred to in 
paragraph (c) below.

            (c) If any Lender becomes entitled to claim any amounts pursuant to
this Section 5.15, it shall promptly, but in any event within one hundred 
eighty (180) days after such Lender obtains actual knowledge thereof, notify 
the Borrower (with a copy to the Lenders) of the event by reason of which it 
has become so entitled, which notice shall set forth the basis of the 
calculation of such amounts in reasonable detail. A certificate as to any 
additional amounts payable pursuant to this Section 5.15 submitted by such 
Lender to the Borrower (with a copy to the Administrative Agent) shall be
conclusive in the absence of manifest error. If any Lender fails to give such 
notice within one hundred eighty (180) days after it obtains actual knowledge 
of such an event, such Lender shall, with respect to compensation payable 
pursuant to this subsection 5.15 in respect of costs resulting from such event,
only be entitled to payment under this subsection 5.15 for costs incurred from 
and after the date that is one hundred eighty (180) days prior to the date such
Lender does give such notice.  The agreements in this Section 5.15 shall 
survive the termination of this Agreement and the payment of the Loans and all 
other amounts payable hereunder.

      5.16 Taxes. 

            (a) All payments made by the Borrower under this Agreement and any
Notes shall be made free and clear of, and without deduction or withholding for
or on account of, any present or future income, stamp or other taxes, levies,
imposts, duties, charges, fees, deductions or withholdings, now or hereafter
imposed, levied, collected, withheld or assessed by any Governmental Authority,
excluding net income taxes and franchise taxes (imposed in lieu of net income
taxes) imposed on the Administrative Agent or any Lender as a result of a
present or former connection between the Administrative Agent or such Lender 
and the jurisdiction of the Governmental Authority imposing such tax or any
political subdivision or taxing authority thereof or therein (other than any
such connection arising solely from the Lenders having executed, delivered or
performed its obligations or received a payment under, or enforced, this
Agreement or any Note). If any such non-excluded taxes, levies, imposts, 
duties, charges, fees, deductions or withholdings ("Non-Excluded Taxes") are 
required to be withheld from any amounts payable to Administrative Agent or any
Lender hereunder or under any Note, the amounts so payable to the 
Administrative Agent or such Lender shall be increased to the extent necessary 
to yield to the Administrative Agent or such Lender (after payment of all Non-
Excluded Taxes) interest or any such other amounts payable hereunder at the 
rates or in the amounts specified in this Agreement. Whenever any Non-Excluded 
Taxes are payable by the Borrower, as promptly as possible thereafter the 
Borrower shall send to the Administrative Agent for its own account or for the 
account of such Lender, as the case may be, a certified copy of an original 
official receipt received by the Borrower showing payment thereof. If the 
Borrower fails to pay any Non-Excluded Taxes when due to the appropriate taxing
authority or fails to remit to the Administrative Agent the required receipts 
or other required documentary evidence, the Borrower shall indemnify the 
Administrative Agent and the Lenders for any incremental increased taxes, 
interest or penalties that may become payable by the Administrative Agent or 
any Lender as a result of any such failure. The agreements in this subsection 
5.16 shall survive the termination of this Agreement and the payment of the 
Loans and all other amounts payable hereunder.

            (b) Each Lender that is not incorporated under the laws of the
United States of America or a state thereof shall:

                   (i)  deliver to the Borrower and the Administrative Agent 
            (A) two duly completed copies of the United States Internal Revenue
            Service Form 1001 or 4224, or successor applicable form, as the 
            case may be, and (B) an Internal Revenue Service Form W-8 or W-9, 
            or successor applicable form, as the case may be;

                   (ii) deliver to the Borrower and the Administrative Agent 
            two further copies of any such form or certification on or before 
            the date that any such form or certification expires or becomes 
            obsolete and after the occurrence of any event requiring a change 
            in the most recent form previously delivered by it to the Borrower;
            and

                   (iii) obtain such extensions of time for filing and
            complete such forms or certifications as may reasonably be 
            requested by the Borrower or the Administrative Agent;

unless in any such case an event (including, without limitation, any change in
treaty, law or regulation) has occurred prior to the date on which any such
delivery would otherwise be required which renders all such forms inapplicable
or which would prevent such Lender from duly completing and delivering any such
form with respect to it and such Lender so advises the Borrower and the
Administrative Agent. Such Lender shall certify (i) in the case of a Form 1001
or 4224, that it is entitled to receive payments under this Agreement without
deduction or withholding of any United States federal income taxes and (ii) in
the case of Form W-8 or W-9, that it is entitled to an exemption from United
States backup withholding tax. Each Person that shall become a Lender or a
Participant pursuant to subsection 12.8 shall, upon the effectiveness of the
related transfer, be required to provide all of the forms and statements
required pursuant to this subsection 5.16, provided that in the case of a
Participant such Participant shall furnish all such required forms and
statements to the Lender from which the related participation shall have been
purchased.

            (c) If any Lender shall receive a credit or refund from a taxing
authority with respect to, and actually resulting from, an amount of Non-
Excluded Taxes actually paid to or on behalf of such Lender by the Borrower (a
"Tax Credit"), such Lender shall promptly notify the Borrower of such Tax
Credit. If such Tax Credit is received by such Lender in the form of cash, such
Lender shall promptly pay to the Borrower the amount so received with respect 
to the Tax Credit. If such Tax Credit is not received by such Lender in the 
form of cash, such Lender shall pay the amount of such Tax Credit not later 
than the time prescribed by applicable Law for filing the return (including 
extensions of time) for such Lenders' taxable period which includes the period 
in which such Lender receives the economic benefit of such Tax Credit. In any 
event, the amount of any Tax Credit payable by a Lender to the Borrower 
pursuant to this clause (c) shall not exceed the actual amount of cash refunded
to, or credits received and usable (in accordance with the actual practices 
then in use by such Lender) by, such Lender from a taxing authority. In 
determining the amount of any Tax Credit, a Lender may use such apportionment 
and attribution rules as such Lender customarily employs in allocating taxes 
among its various operations and income sources and such determination shall be
conclusive absent manifest error. The Borrower further agrees promptly to 
return to a Lender the amount paid to the Borrower with respect to a Tax Credit
by such Lender if such Lender is required to repay, or is determined to be 
ineligible for, a Tax Credit for such amount. Notwithstanding anything to the 
contrary contained herein, the Borrower hereby acknowledges and agrees that (i)
neither the Administrative Agent nor any Lender shall be obligated to provide 
the Borrower with details of the tax position of the Administrative Agent or 
such Lender (as the case may be) and (ii) the Borrower shall have no right to 
inspect any records (including tax returns) of the Administrative Agent or such
Lender (as the case may be). 

      5.17 Indemnity. The Borrower agrees to indemnify each Lender and to hold
each Lender harmless from any loss or expense which such Lender may sustain or
incur as a consequence of (a) failure by the Borrower to make a borrowing of,
conversion into or continuation of Fixed Rate Loans after the Borrower has
given a notice requesting the same in accordance with the provisions of this
Agreement; (b) failure by the Borrower to make any prepayment after the 
Borrower has given a notice thereof in accordance with the provisions of this 
Agreement or (c) the making of a prepayment of Fixed Rate Loans on a day which 
is not the last day of an Interest Period with respect thereto. Such 
indemnification may include an amount equal to the excess, if any, of (i) the 
amount of interest which would have accrued on the amount so prepaid, or not so
borrowed, converted or continued, for the period from the date of such 
prepayment or of such failure to borrow, convert or continue, the Interest 
Period that would have commenced on the date of such failure in each case at 
the applicable rate of interest for such Loans provided for herein (excluding, 
however, the Applicable Margin included therein, if any) over (ii) (A) with 
respect to Eurodollar Loans, the amount of interest (as reasonably determined 
by such Lender) which would have accrued to such Lender on such amount by 
placing such amount on deposit for a comparable period with leading banks in 
the interbank eurodollar market or (B) with respect to Federal Funds Loans, the
amount of interest (as reasonably determined by the Swing Line Lender) which 
would have accrued to such Lender on such amount by placing such amount on 
deposit for a comparable period with leading banks in the federal funds market.
This covenant shall survive the termination of this Agreement and the payment 
of the Loans and all other amounts payable hereunder.

      5.18 Change of Lending Office. Each Lender agrees that if it makes any
demand for payment under subsection 5.15 or 5.16(a), or if any adoption or
change of the type described in subsection 5.14 shall occur with respect to it,
it will use reasonable efforts (consistent with its internal policy and legal
and regulatory restrictions and so long as such efforts would not be
disadvantageous to it, as determined in its good faith discretion) to designate
a different lending office if the making of such a designation would reduce or
obviate the need for the Borrower to make payments under subsection 5.15 or
5.16(a), or would eliminate or reduce the effect of any adoption or change
described in subsection 5.14.

SECTION 6.  REPRESENTATIONS AND WARRANTIES

      To induce the Lenders to enter into this Agreement and to make the Loans
and issue or participate in the Letters of Credit the Borrower hereby 
represents and warrants to the Administrative Agent and each Lender that:

      6.1 Financial Condition. The consolidated balance sheet of the Borrower
and its consolidated Subsidiaries as at June 30, 1996 and the related
consolidated statements of income and cash flows for the fiscal year ended on
such date, reported on by Ernst & Young, LLP, copies of which have heretofore
been furnished to the Administrative Agent, are complete and correct and 
present fairly in all material respects the consolidated financial condition of
the Borrower and its consolidated Subsidiaries as at such date, and the
consolidated results of their operations and their consolidated cash flows for 
the fiscal year then ended.  The unaudited consolidated balance sheet of the 
Borrower and its consolidated Subsidiaries as at March 31, 1997 and the related
unaudited consolidated statements of income and of cash flows for the nine-
month period ended on such date, certified by a Responsible Officer, copies of 
which have heretofore been furnished to the Administrative Agent, are complete 
and correct and present fairly in all material respects the consolidated 
financial condition of the Borrower and its consolidated Subsidiaries as at 
such date, and the consolidated results of their operations and their 
consolidated cash flows for the nine-month period then ended (subject to normal
year-end audit adjustments and the absence of footnotes). All such financial 
statements, including the related schedules and notes thereto, have been
prepared in accordance with GAAP applied consistently throughout the periods 
involved (subject to normal year-end audit adjustments and the absence of
footnotes and except as approved by such accountants or Responsible Officer, as
the case may be, and as disclosed therein). Except to the extent as disclosed 
to the Administrative Agent prior to the date hereof, or as otherwise 
separately disclosed to the Administrative Agent in writing prior to the date 
hereof, neither the Borrower nor any of its consolidated Subsidiaries had, 
at the date of the most recent balance sheet referred to above, any material 
Guarantee Obligation, contingent liability or liability for taxes, or any long-
term lease or unusual forward or long-term commitment, including, without 
limitation, any interest rate or foreign currency swap or exchange transaction,
which is not reflected in the foregoing statements or in the notes thereto. 
Except to the extent permitted under this Agreement or as disclosed to the 
Administrative Agent prior to the date hereof, or as otherwise separately 
disclosed to the Administrative Agent in writing prior to the date hereof, 
there has been no sale, transfer or other disposition by the Borrower or any
of its consolidated Subsidiaries of any material part of its business or 
property (including any capital stock of any other Person) material in 
relation to the consolidated financial condition of the Borrower and its 
consolidated Subsidiaries at June 30, 1996 during the period from June 30, 1996
and including the date hereof. 

      6.2 No Change. Since March 31, 1997, there has been no development or
event which has had a Material Adverse Effect.

      6.3 Disclosure. No information, schedule, exhibit or report or other
document furnished by the Borrower or any of its Subsidiaries to the
Administrative Agent or any Lender in connection with the negotiation of this
Agreement or any other Loan Document (or pursuant to the terms hereof or
thereof), as such information, schedule, exhibit or report or other document 
has been amended, supplemented or superseded by any other information, 
schedule, exhibit or report or other document later delivered to the same 
parties receiving such information, schedule, exhibit or report or other
document, contained any material misstatement of fact or omitted to state a 
material fact or any fact necessary to make the statements contained therein, 
in light of the circumstances when made and the information provided hereunder 
as a whole, not materially misleading.

      6.4 Corporate Existence; Compliance with Law. Each of the Borrower and
its Subsidiaries (a) is duly organized, validly existing and in good standing
under the laws of the jurisdiction of its organization, (b) has the corporate
power and authority, and the legal right, to own and operate its property, to
lease the property it operates as lessee and to conduct the business in which 
it is currently engaged, (c) is duly qualified as a foreign corporation and in 
good standing under the laws of each jurisdiction where its ownership, lease or
operation of property or the conduct of its business requires such 
qualification, except to the extent that all failures to be so qualified could
not, in the aggregate, reasonably be expected to have a Material Adverse Effect
and (d) is in compliance with all Requirements of Law except to the extent that
all failures to comply therewith could not, in the aggregate, reasonably be
expected to have a Material Adverse Effect.

      6.5 Corporate Power, Authorization, Enforceable Obligations. The Borrower
has the corporate power and authority, and the legal right, to make, deliver 
and perform the Loan Documents to which it is a party and to borrow hereunder 
and has taken all necessary corporate action to authorize the borrowings on the
terms and conditions of this Agreement and any Notes and to authorize the
execution, delivery and performance of the Loan Documents to which it is a
party. No consent or authorization of, filing with, notice to or other act by 
or in respect of, any Governmental Authority or any other Person is required in
connection with the borrowings hereunder or with the execution, delivery,
performance, validity or enforceability of the Loan Documents to which the
Borrower is a party. This Agreement has been, and each other Loan Document to
which it is a party will be, duly executed and delivered on behalf of the
Borrower. This Agreement constitutes, and each other Loan Document to which it
is a party when executed and delivered will constitute, a legal, valid and
binding obligation of the Borrower enforceable against the Borrower in
accordance with its terms, subject to the effects of bankruptcy, insolvency,
fraudulent conveyance, reorganization, moratorium and other similar laws
relating to or affecting creditors' rights generally, general equitable
principles (whether considered in a proceeding in equity or at law) and an
implied covenant of good faith and fair dealing.

      6.6 No Legal Bar. The execution, delivery and performance of the Loan
Documents to which the Borrower is a party, the borrowings hereunder and the
use of the proceeds thereof will not violate any Requirement of Law or 
Contractual Obligation of the Borrower or of any of its Subsidiaries and will 
not result in, or require, the creation or imposition of any Lien on any of its
or their respective properties or revenues pursuant to any such Requirement of 
Law or Contractual Obligation.

      6.7 No Material Litigation. No litigation, investigation or proceeding of
or before any arbitrator or Governmental Authority is pending or, to the
knowledge of the Borrower, threatened by or against the Borrower or any of its
Subsidiaries or against any of its or their respective properties or revenues
(a) with respect to any of the Loan Documents or any of the transactions
contemplated hereby or thereby, or (b) which could reasonably be expected to
have a Material Adverse Effect.

      6.8 No Default. Neither the Borrower nor any of its Subsidiaries is in
default under or with respect to any of its Contractual Obligations in any
respect which could reasonably be expected to have a Material Adverse Effect. 
No Default or Event of Default has occurred and is continuing.

      6.9 Ownership of Property; Liens. Each of the Borrower and its
Subsidiaries has good record and marketable title in fee simple to, or a valid
leasehold interest in, all its real property, and good title to, or a valid
leasehold interest in, all its other property, which is material to the
operations of the business of, the Borrower and its Subsidiaries, taken as a
whole and none of such property is subject to any Lien except as permitted by
subsection 9.3.

      6.10 Intellectual Property. The Borrower and each of its Subsidiaries
owns, or is licensed to use, all trademarks, trade names, copyrights,
technology, know-how and processes necessary for the conduct of its business as
currently conducted, except for those for which the failure to own or license
could not reasonably be expected to have a Material Adverse Effect (the
"Intellectual Property"). No claim has been asserted and is pending by any
Person challenging or questioning the use of any such Intellectual Property or
the validity or effectiveness of any such Intellectual Property which could
reasonably be expected to have a Material Adverse Effect, nor does the Borrower
know of any valid basis for such claim. To the best knowledge of the Borrower,
the use of such Intellectual Property by the Borrower and its Subsidiaries does
not infringe on the rights of any Person, except for such claims and
infringements that, in the aggregate, could not reasonably be expected to have
a Material Adverse Effect.

      6.11 Taxes. Each of the Borrower and its Subsidiaries has filed or caused
to be filed all material tax returns which, to the knowledge of the Borrower,
are required to be filed and has paid all taxes shown to be due and payable on
said returns or on any assessments made against it or any of its property and
all other taxes, fees or other charges imposed on it or any of its property by
any Governmental Authority (other than any the amount or validity of which are
currently being contested in good faith by appropriate proceedings and with
respect to which reserves in conformity with GAAP have been provided on the
books of the Borrower or its Subsidiaries, as the case may be); no tax Lien has
been filed, other than Liens permitted by Section 9.3, and, to the knowledge of
the Borrower, no claim is being asserted, with respect to any such tax, fee or
other charge.

      6.12 Federal Regulations. No part of the proceeds of any Loans will be
used in any manner which would violate, or result in the violation of,
Regulation D, Regulation G or Regulation U of the Board of Governors of the
Federal Reserve System as now and from time to time hereafter in effect. If
requested by any Lender or the Administrative Agent, the Borrower will furnish
to the Administrative Agent and each Lender a statement to the foregoing effect
in conformity with the requirements of FR Form G-3 or FR Form U-1 referred to 
in said Regulation G or Regulation U, as the case may be.

      6.13 ERISA. Neither a Reportable Event nor an "accumulated funding
deficiency" (within the meaning of Section 412 of the Code or Section 302 of
ERISA) has occurred during the five-year period prior to the date on which this
representation is made or deemed made with respect to any Plan, and each Plan
has complied in all material respects with the applicable provisions of ERISA
and the Code. No termination of a Single Employer Plan has occurred (except as
disclosed to the Administrative Agent on Schedule III attached hereto), and no
Lien in favor of the PBGC or a Plan has arisen, during such five-year period.
The present value of all accrued benefits under each Single Employer Plan
(based on those assumptions used to fund such Plans) did not, as of the last 
annual valuation date prior to the date on which this representation is made or
deemed made, exceed the value of the assets of such Plan allocable to such 
accrued benefits. Neither the Borrower nor any Commonly Controlled Entity has 
had a complete or partial withdrawal from any Multiemployer Plan, and neither 
the Borrower nor any Commonly Controlled Entity would become subject to any
liability under ERISA if the Borrower or any such Commonly Controlled Entity
were to withdraw completely from all Multiemployer Plans as of the valuation
date most closely preceding the date on which this representation is made or
deemed made. No such Multiemployer Plan is in Reorganization or Insolvent. The
present value (determined using actuarial and other assumptions which are
reasonable in respect of the benefits provided and the employees participating)
of the liability of the Borrower and each Commonly Controlled Entity for post
retirement benefits to be provided to their current and former employees under
Plans which are welfare benefit plans (as defined in Section 3(l) of ERISA)
does not, in the aggregate, exceed the assets under all such Plans allocable to
such benefits by an amount in excess of $500,000.

      6.14 Investment Company Act; Other Regulations. The Borrower is not an
"investment company", or a company "controlled" by an "investment company",
within the meaning of the Investment Company Act of 1940, as amended. The
Borrower is not subject to regulation under any Federal or State statute or
regulation (other than Regulation X of the Board of Governors of the Federal
Reserve System) which limits its ability to incur Indebtedness under this
Agreement or other Loan Documents.

      6.15 Subsidiaries.  Schedule IV hereto sets forth (a) all of the
Subsidiaries of the Borrower at the date hereof and (b) ASEC and all of the
Subsidiaries of ASEC as of the date of the acquisition of such entities, with
the ownership and jurisdiction of incorporation of each of (a) and (b).

      6.16 Pledge Agreements.

            (a) Each Stock Pledge Agreement constitutes a legal, valid and
binding obligation of the Loan Party who is party thereto, enforceable against
it in accordance with its terms, subject to the effects of bankruptcy,
insolvency, fraudulent conveyance, reorganization, moratorium and other similar
laws relating to or affecting creditors' rights generally, general equitable
principles (whether considered in a proceeding in equity or at law) and an
implied covenant of good faith and fair dealing.

            (b) Upon delivery to the Administrative Agent of the stock
certificates evidencing the Pledged Stock granted pursuant to the Stock Pledge
Agreements, the security interests granted pursuant to the Stock Pledge
Agreements will constitute a valid, perfected first priority security interest
on such Pledged Stock, enforceable as such against all creditors of the
respective Pledgor and any Persons purporting to purchase any such Pledged 
Stock from the respective Pledgor.

      6.17 Environmental Matters. Except as otherwise disclosed to the Lender
or as listed on Schedule V:

            (a) the facilities and properties owned, leased or operated by the
Borrower or any of its Subsidiaries (the "Properties") do not contain, and have
not previously contained, any Materials of Environmental Concern in amounts or
concentrations which (i) constitute or constituted a violation of, or (ii) 
could reasonably be expected to give rise to liability under, any Environmental
Law except insofar as such violation or liability or any aggregation thereof, 
is not reasonably likely to result in the payment of a Material Adverse Amount;

            (b) the Properties and all operations at the Properties are in
compliance in all respects with all applicable Environmental Laws, and there is
no contamination at or under (or, to the knowledge of the Borrower, about) the
Properties or violation of any Environmental Law with respect to the Properties
or the business operated by the Borrower or any of its Subsidiaries (the
"Business") except insofar as such violation or failure to be in compliance or
contamination, or any aggregation thereof, is not reasonably likely to result 
in the payment of a Material Adverse Amount;

            (c) neither the Borrower nor any of its Subsidiaries has received
any notice of violation, alleged violation, non-compliance, liability or
potential liability regarding compliance with Environmental Laws with regard to
any of the Properties or the Business, nor does the Borrower have knowledge 
that any such notice will be received or is being threatened, except insofar as
such notice or threatened notice, or any aggregation thereof, does not involve 
a matter or matters that is or are reasonably likely to result in the payment 
of a Material Adverse Amount;

            (d) Materials of Environmental Concern have not been transported or
disposed of from the Properties in violation of, or in a manner or to a 
location which could reasonably be expected to give rise to liability under,
any Environmental Law, nor have any Materials of Environmental Concern been
generated, treated, stored or disposed of at, on or under any of the Properties
in violation of, or in a manner that could reasonably be expected to give rise
to liability under, any applicable Environmental Law, except insofar as any 
such violation or liability referred to in this paragraph, or any aggregation
thereof, is not reasonably likely to result in the payment of a Material 
Adverse Amount;

            (e) no judicial proceeding or governmental or administrative action
is pending or, to the knowledge of the Borrower, threatened, under any
Environmental Law to which the Borrower, any of its Subsidiaries is or will be
named as a party with respect to the Properties or the Business, nor are there
any consent decrees or other decrees, consent orders, administrative orders or
other orders, or other administrative or judicial requirements outstanding 
under any Environmental Law which are binding upon Borrower or any of its 
Subsidiaries with respect to the Properties or the Business, except insofar as 
such proceeding, action, decree, order or other requirement, or any aggregation
thereof, is not reasonably likely to result in the payment of a Material 
Adverse Amount; and

            (f) there has been no release or threat of release of Materials of
Environmental Concern at or from the Properties, or arising from or related to
the operations of the Borrower or any Subsidiary in connection with the
Properties or otherwise in connection with the Business, in violation of or in
amounts or in a manner that could reasonably give rise to liability under
Environmental Laws, except insofar as any such violation or liability referred
to in this paragraph, or any aggregation thereof, is not reasonably likely to
result in a payment of a Material Adverse Amount.

      6.18 Solvency. The aggregate value of all of the tangible and intangible
assets of the Borrower and its Subsidiaries on a consolidated basis, at a fair
valuation, exceeds the total liabilities of the Borrower and its Subsidiaries 
on a consolidated basis (including contingent (to the extent required to be
reserved against under GAAP), subordinated, unmatured and unliquidated
liabilities). The Borrower and its Subsidiaries have the ability to pay their
respective debts as they mature and do not have unreasonably small capital with
which to conduct their respective businesses. For purposes of this subsection
6.18, the "fair valuation" of such assets is the price at which the assets 
would change hands between a willing buyer and a willing seller, both being 
adequately informed of the relevant facts, and neither being under any 
compulsion to buy or to sell.

      6.19 Guarantees. The provisions of each Subsidiaries Guarantee are
effective to create a legal, valid, binding and enforceable guarantee of the
obligations described therein in accordance with its terms, subject to the
effects of bankruptcy, insolvency, fraudulent conveyance, reorganization,
moratorium and other similar laws relating to or affecting creditors' rights
generally, general equitable principles (whether considered in a proceeding in
equity or at law) and an implied covenant of good faith and fair dealing.

SECTION 7.  CONDITIONS PRECEDENT

      7.1 Conditions to Initial Extensions of Credit. The agreement of each
Lender to make the initial extension of credit requested to be made by it is
subject to the satisfaction, immediately prior to or concurrently with the
making of such extension of credit on the Closing Date, of the following
conditions precedent:

            (a) Loan Documents. The Administrative Agent shall have received 
(i) this Agreement, executed and delivered by a duly authorized officer of the
Borrower, (ii) the Notes (to the extent so requested by any Lender), executed
and delivered by a duly authorized officer of the Borrower, (iii) each
Subsidiaries Guarantee, executed and delivered by a duly authorized officer of
the party thereto and (iv) a Subsidiaries Stock Pledge Agreement, executed and
delivered by a duly authorized officer of CDSI International, Inc.

            (b) Agreements. The Administrative Agent shall have received true
and correct copies, certified as to authenticity by the Borrower, of such
documents or instruments as may be reasonably requested by the Administrative
Agent.

            (c) Closing Certificate of Borrower. The Administrative Agent shall
have received a certificate of the President or any Vice President and the
Secretary or an Assistant Secretary of the Borrower, dated the Closing Date, 
(i) attaching the Charter and By-Laws (of the Borrower), (ii) attaching the
resolutions of the Executive Committee of the Board of Directors of the 
Borrower with respect to the transactions contemplated hereby, (iii) certifying
that such resolutions have not been amended, modified, revoked or rescinded as 
of the date of such certificate and (iv) certifying as to the incumbency and 
signature of the officers of the Borrower executing any Loan Document; such 
certificate (and the attachments thereto) shall be in form and substance 
satisfactory to the Administrative Agent.

            (d) Closing Certificate of Loan Parties. (i) The Administrative
Agent shall have received a certificate of the President or any Vice President
and the Secretary or an Assistant Secretary of each Loan Party (other than the
Borrower and M/GA Fields Road Limited Partnership), dated the Closing Date, (A)
attaching the resolutions of the Board of Directors of such Loan Party with
respect to the transactions contemplated hereby to which it is a party, (B)
certifying that the such resolutions have not been amended, modified, revoked 
or rescinded as of the date of such certificate and (C) certifying as to the
incumbency and signature of the officers of such Loan Party executing any Loan
Document; such certificate (and the attachments thereto) shall be in form and
substance satisfactory to the Administrative Agent and (ii) the Administrative
Agent shall have received a certificate from M/GA Fields Road Limited
Partnership in form and substance reasonably satisfactory to the Administrative
Agent.

            (e) Fees. The Borrower shall have paid the accrued fees and 
expenses owing hereunder or in connection herewith (including, without 
limitation, accrued fees and disbursements of counsel to the Administrative 
Agent), to the extent that such fees and expenses have been presented for 
payment a reasonable time prior to the Closing Date.

            (f) Legal Opinions. The Administrative Agent shall have received,
with a counterpart for each Lender, the executed legal opinion of (i) Miles &
Stockbridge, a Professional Corporation and (ii) Peter A. Fish, Esq., counsel
and in-house counsel, respectively, to the Borrower and the other Loan Parties,
substantially in the forms of Exhibit H-1 and Exhibit H-2, respectively. 

            (g) Pledged Stock; Stock Powers. The Administrative Agent shall 
have received the certificates representing the shares pledged pursuant to the
Subsidiaries Stock Pledge Agreement, together with an undated stock power for
each such certificate executed in blank by a duly authorized officer of the
pledgor thereof.

            (h) Actions to Perfect Liens. The Administrative Agent shall have
received such duly executed financing statements on form UCC-1 as may be
necessary or, in the reasonable opinion of the Administrative Agent, desirable
to perfect the Liens created by the Security Documents.

            (i) Lien Searches. The Administrative Agent shall have received the
results of a recent search by a Person reasonably satisfactory to the
Administrative Agent, of the Uniform Commercial Code, judgment and tax lien
filings which may have been filed with respect to personal property of the
Borrower, and the results of such search shall be reasonably satisfactory to 
the Administrative Agent.

            (j) Insurance. The Administrative Agent shall have received 
evidence in form and substance satisfactory to the Administrative Agent of the 
existence of the insurance required under subsection 8.5.

            (k) Termination of Existing Credit Agreements.  The Lender shall
have received evidence reasonably satisfactory to it of (i) the termination by
the Borrower of the financing and negative pledge agreement, dated as of July
23, 1993, (as the same has been amended, supplemented or otherwise modified 
from time to time) each between the Borrower and NationsBank N.A (as successor 
to Maryland National Bank, N.A). and (ii) the payment of all amounts which are 
then due and payable thereunder.

            (l) Pro Forma Balance Sheet.  The Administrative Agent shall have
received a Pro Forma Balance Sheet from the Borrower in form and substance
reasonably satisfactory to the Administrative Agent.

            (m) Miscellaneous.  The Administrative Agent shall have received
such documents as the Administrative Agent or the Majority Lenders through the
Administrative Agent may reasonably request.

      7.2 Conditions to Each Extension of Credit. The agreement of each Lender
to make any extension of credit requested (it being understood and agreed that 
a continuation or conversion under subsection 5.8 shall not constitute an
extension of credit for purposes of this subsection) to be made by it on any
date (including, without limitation, its initial extension of credit ) is
subject to the satisfaction of the following conditions precedent:

            (a) Representations and Warranties. Each of the representations and
warranties made by the Borrower and each other Loan Party in or pursuant to the
Loan Documents shall be true and correct in all material respects on and as of
such date as if made on and as of such date (unless stated to relate to a
specific earlier date, in which case, such representatives and warranties shall
be true and correct in all material respects as of such earlier date).

            (b) No Default. No Default or Event of Default shall have occurred
and be continuing on such date or after giving effect to the extensions of
credit requested to be made on such date.

            (c) Miscellaneous. The Administrative Agent shall have received 
such other approvals, opinions or documents as the Administrative Agent or the
Majority Lenders through the Administrative Agent may reasonably request.

Each borrowing by, and Letter of Credit issued on behalf of, the Borrower
hereunder shall constitute a representation and warranty by the Borrower as of
the date thereof that the applicable conditions contained in this subsection 
7.2 have been satisfied.

SECTION 8.  AFFIRMATIVE COVENANTS

      The Borrower hereby agrees that, so long as the Commitments remain in
effect or any amount is owing to any Lender or the Administrative Agent
hereunder or under any other Loan Document, the Borrower shall and (except in
the case of delivery of financial information and reports and notices) shall
cause each of its Subsidiaries to:

      8.1 Financial Statements. Furnish to the Administrative Agent:

            (a) as soon as available, but in any event within one hundred five
(105) days after the end of each fiscal year of the Borrower, a copy of the
consolidated balance sheet of the Borrower and its consolidated Subsidiaries as
at the end of such year and the related consolidated statements of income and
retained earnings and of cash flows for such year, setting forth in each case 
in comparative form the figures for the previous year, reported on without a 
"going concern" or like qualification or exception, or qualification arising 
out of the scope of the audit, by an independent certified public accountants 
of nationally recognized standing; as soon as available, but in any event 
within one hundred five (105) days after the end of each fiscal year of the 
Borrower, a copy of the unaudited consolidating balance sheets of the Borrower 
and its consolidated Subsidiaries as at the end of such fiscal year together 
with consolidating statements of income and retained earnings and of cash flows
 of the Borrower and its consolidated Subsidiaries for such fiscal year as 
customarily prepared by the management of the Borrower for internal use. 

            (b) as soon as available, but in any event not later than sixty 
(60) days after the end of each fiscal quarter of the Borrower, the unaudited
consolidated and consolidating balance sheets of the Borrower and its
consolidated Subsidiaries as at the end of such quarter and the related
unaudited consolidated and consolidating statements of income and retained
earnings and of cash flows of the Borrower and its consolidated Subsidiaries 
for such quarter and the portion of the Borrower's fiscal year through the end 
of such quarter, setting forth in each case in comparative form the figures for
the previous year, certified by a Responsible Officer as being fairly stated in
all material respects (subject to normal year-end audit adjustments);

all such financial statements shall be complete and correct in all material
respects and shall be prepared in reasonable detail and in accordance with GAAP
applied consistently throughout the periods reflected therein and with prior
periods (except as approved by such accountants or officer, as the case may be,
and disclosed therein).

      8.2 Certificates; Other Information. Furnish to the Administrative Agent:

            (a) concurrently with the delivery of the financial statements
referred to in subsection 8.1(a), a certificate of the independent certified
public accountants reporting on such financial statements stating whether in 
the course of conducting its annual audit they became aware of any Default or
Event of Default pertaining to accounting matters and, if so, the nature of 
such Default or Event of Default;

            (b) concurrently with the delivery of the financial statements
referred to in subsections 8.1(a) and (b) a certificate of a Responsible 
Officer (i) stating that, to the best of such Officer's knowledge, during such 
period (A) no Subsidiary has been formed or acquired without complying with 
this Agreement with respect thereto, (B) neither the Borrower nor any of its
Subsidiaries has changed its name, its principal place of business, its chief
executive office without complying with the requirements of this Agreement with
respect thereto and (C) the Borrower has observed or performed all of its
covenants and other agreements, and satisfied every condition, contained in
this Agreement and the other Loan Documents to be observed, performed or 
satisfied by it, and that such Officer has obtained no knowledge of any Default
or Event of Default except as specified in such certificate and (iii) setting 
forth the computations used by the Borrower in determining (as of the end of 
such fiscal period) compliance with the covenants contained in subsection 9.1;

            (c) concurrently with the delivery of the accountants' certificates
referred to in subsection 8.2(a), any comment letter submitted by such
accountants to management as of that date;

            (d) as soon as available and in any event within fifty (50) days
after the end of each fiscal quarter of the Borrower, an Accounts Aging
Schedule, an Unbilled Report Schedule and a quarterly backlog report as at the
end of such quarter, certified by a Responsible Officer of the Borrower;

            (e) as soon as available, but in any event (i) not later than one
hundred five (105) days after the end of each fiscal year of the Borrower, a
copy of all financial statements and regular, periodical or special reports 
that the Borrower may make to, or file with, the SEC on an annual basis and 
(ii) not later than sixty (60) days after the end of each fiscal quarter of the
Borrower, a copy of all financial statements and regular, periodical or special
reports that the Borrower may make to, or file with, the SEC on a quarterly 
basis; and 

           (f) promptly, such additional financial and other information as any
Lender may from time to time reasonably request subject to the provisions of
applicable law.

      8.3 Payment of Obligations. Pay, discharge or otherwise satisfy at or
before maturity in accordance with customary terms or before they become
delinquent or in default, as the case may be, all of its material obligations 
of whatever nature, except where the amount or validity thereof is then being
contested in good faith by appropriate proceedings and reserves in conformity
with GAAP with respect thereto have been provided on the books of the Borrower
or its Subsidiaries, as the case may be.

      8.4 Conduct of Business and Maintenance of Existence. Continue to engage
in business of the same general type as now conducted by it and preserve, renew
and keep in full force and effect its corporate existence and take all
reasonable action to maintain all rights, privileges and franchises necessary
or (in the reasonable judgment of the Borrower) desirable in the normal conduct
of its business except as otherwise permitted pursuant to subsection 9.4; 
comply with all Contractual Obligations and Requirements of Law except to the 
extent that failure to comply therewith could not, in the aggregate, be 
reasonably expected to have a Material Adverse Effect.

      8.5 Maintenance of Property; Insurance.

            (a) Keep all material property useful and necessary in its business
in good working order and condition; maintain with financially sound and
reputable insurance companies insurance policies insuring all its material
property against loss by fire, explosion, theft and such other casualties as 
may be reasonably satisfactory to the Administrative Agent such policies to be 
in at least such form amounts and having coverage against at least such risks 
as are customarily insured against in the same general area by companies of 
similar size engaged in the same or a similar business as may be reasonably 
satisfactory to the Administrative Agent;

            (b) Each insurance policy described in subsection 8.5(a) shall (i)
contain endorsements, in form satisfactory to each Lender, (ii) provide that no
cancellation, material reduction in amount or material change in coverage
thereof shall be effective until at least thirty (30) days after receipt by the
Administrative Agent of written notice thereof and (iii) be reasonably
satisfactory in all other respect to the Administrative Agent.  In the event of
any termination or notice of non-payment by any insurer with respect to any
policy or any lapse in the coverage thereunder, the Borrower shall cause such
insurer to give prompt written notice to each Lender of the occurrence of such
termination, nonpayment or lapse.

            (c) The Borrower shall deliver to the Administrative Agent a report
of a reputable insurance broker with respect to such insurance in each calendar
year and such supplemental reports with respect thereto as the Administrative
Agent may from time to time reasonably request.

      8.6 Inspection of Property; Books and Records; Discussions. (a) Keep
proper books of records and account in which full, true and correct entries in
conformity with GAAP and all Requirements of Law shall be made of all dealings
and transactions in relation to its business and activities; and (b) subject to
the requirements of applicable law (and the provisions of subsection 12.17)
permit representatives of the Administrative Agent or any Lender to visit and
inspect any of its properties and examine and make abstracts from any of its
books and records and to discuss the business, operations, properties and
financial and other condition of the Borrower and its Subsidiaries with 
officers and employees of the Borrower and its Subsidiaries and with its 
independent certified public accountants upon reasonable advance notice when no
Default or Event of Default has occurred and is continuing, with respect to the
Administrative Agent, as often as may reasonably be desired, at any reasonable
time, or, with respect to any Lender other than the Administrative Agent, not
more than once per calendar year, at any reasonable time, at the expense of 
such Lender; provided, that, if an Event of Default has occurred and is 
continuing,at any reasonable time and as often as may be reasonably desired, at
the expense of the Borrower.

      8.7 Notices.  Promptly give notice to the Administrative Agent (who shall
give prompt notice thereof to the Lenders) of:

            (a) the occurrence of any Default or Event of Default;

            (b) any litigation, investigation or proceeding, which if adversely
determined, could reasonably be expected to have a Material Adverse Effect, 
that may exist at any time between the Borrower or any of its Subsidiaries and
any Governmental Authority;

            (c) any default or event of default, which if not cured, could
reasonably be expected to have a Material Adverse Effect, under any Contractual
Obligation of the Borrower or any of its Subsidiaries;    

            (d) any litigation or proceeding affecting the Borrower or any of
its Subsidiaries in which the amount involved is $500,000 or more and not
covered by insurance or in which injunctive or similar relief is sought which
reasonably could be expected to have a Material Adverse Effect;

            (e) the following events, as soon as possible and in any event
within thirty (30) days after the Borrower knows or has reason to know thereof:
(i) the occurrence or expected occurrence of any Reportable Event with respect
to any Plan that is an employee pension benefit plan (as defined in Section 
3(2) of ERISA), a failure to make any required contribution to a Plan, the 
creation of any Lien in favor of the PBGC or a Plan that is an employee pension
benefit plan (as defined in Section 3(2) of ERISA) or any withdrawal from, or
the termination, Reorganization or Insolvency of, any Multiemployer Plan or 
(ii) the institution of proceedings or the taking of any other action by the 
PBGC or the Borrower or any Commonly Controlled Entity or any Multiemployer 
Plan with respect to the withdrawal from, or the terminating, Reorganization or
Insolvency of, any Plan that is an employee pension benefit plan (as defined in
Section 3(2) of ERISA);

            (f) the acquisition or creation of any Subsidiary which has Capital
Stock that is directly or indirectly owned by the Borrower or any Subsidiary;
and

            (g) any Lien (other than any Liens permitted under this Agreement)
or other event that could reasonably be expected to have a Material Adverse
Effect on the aggregate value of the Collateral or on the security interest
created by the Stock Pledge Agreement or this Agreement; and

            (h) the occurrence of (i) any development or other event which 
could reasonably be expected to have a Material Adverse Effect or (ii) any 
incurrence of contingent liabilities (including, without limitation, any of the
events listed in this subsection 8.7 or subsections 9.2 to 9.10) in an 
aggregate amount, at any one time, exceeding $2,000,000 (other than L/C 
Obligations under this Agreement).

Each notice pursuant to this subsection 8.7 shall be accompanied by a statement
of a Responsible Officer setting forth details of the occurrence referred to
therein and stating what action the Borrower proposes to take with respect
thereto.

      8.8 Environmental Laws. 

            (a) Comply with, and use reasonable efforts to ensure compliance by
all tenants and subtenants, if any, with, all applicable Environmental Laws and
obtain and comply with and maintain, and use reasonable efforts to ensure that
all tenants and subtenants obtain and comply with and maintain, any and all
licenses, approvals, notifications, registrations or permits required by
applicable Environmental Laws, except to the extent that failure to do so could
not be reasonably expected to have a Material Adverse Effect.

            (b) Conduct and complete all investigations, studies, sampling and
testing, and all remedial, removal and other actions required under
Environmental Laws and promptly comply in all material respects with all lawful
orders and directives of all Governmental Authorities regarding Environmental
Laws, except to the extent that failure to do so would not have a Material
Adverse Effect.

      8.9 Further Assurances. 

            (a) Upon the request of the Administrative Agent, promptly perform
or cause to be performed any and all acts and execute or cause to be executed
any and all documents (including, without limitation, financing statements and
continuation statements) for filing under the provisions of the Uniform
Commercial Code or any Requirement of Law which are necessary or reasonably
advisable.

            (b) Upon request of the Administrative Agent, promptly provide such
documents and legal opinions in respect of any aspect or consequence of the
transactions contemplated hereby as the Administrative Agent shall reasonably
request.

      8.10 Additional Subsidiaries.

            (a) With respect to any Person that, subsequent to the Closing 
Date, becomes a Domestic Subsidiary promptly (i) cause such new Domestic 
Subsidiary to become a party to a Subsidiaries Guarantee pursuant to 
documentation which is in form and substance satisfactory to the Administrative
Agent and consistent with the form of Exhibit E, and (ii) if so requested by 
the Administrative Agent, deliver to the Administrative Agent legal opinions 
relating to due authorization, execution, delivery of such Subsidiaries 
Guarantee by such new Domestic Subsidiary and the enforceability against it of
such Subsidiaries Guarantee, which opinions shall be in form and substance, and
from counsel, reasonably satisfactory to the Administrative Agent.

            (b) With respect to ASEC and its Domestic Subsidiaries, on the date
of the acquisition of such entities promptly (i) cause ASEC and its Domestic
Subsidiaries to become a party to a Subsidiaries Guarantee pursuant to
documentation which is in form and substance satisfactory to the Administrative
Agent and consistent with the form of Exhibit E, and (ii) if so requested by 
the Administrative Agent, deliver to the Administrative Agent legal opinions
relating to due authorization, execution, delivery of such Subsidiaries
Guarantee by ASEC and its Domestic Subsidiaries and the enforceability against
it of such Subsidiaries Guarantee, which opinions shall be in form and
substance, and from counsel, reasonably satisfactory to the Administrative
Agent.

            (c) With respect to any Person that, subsequent to the Closing 
Date, becomes a Foreign Subsidiary, promptly (i) execute and deliver to the
Administrative Agent a new Subsidiaries Stock Pledge Agreement or borrower 
stock pledge agreement consistent with the form of Exhibit D, or such 
amendments to the Subsidiaries Stock Pledge Agreement as the Administrative 
Agent shall deem necessary or advisable to grant to the Administrative Agent, 
for the benefit of the Lenders, a Lien on the Capital Stock of such Foreign 
Subsidiary (provided that in no event shall more than 65% of the Capital Stock 
of any such Foreign Subsidiary be required to be so pledged), (ii) deliver to
the Administrative Agent any certificates representing such Capital Stock, 
together with undated stock powers executed and delivered in blank by a duly 
authorized officer of the Borrower or such Subsidiary, as the case may be, and
take or cause to be taken all such other actions under the law of the 
jurisdiction of organization of such Foreign Subsidiary as may be necessary or 
advisable to perfect such Lien on such Capital Stock and (iii) if requested by
the Administrative Agent, deliver to the Administrative Agent legal opinions 
relating to the matters described in clauses (i) and (ii) immediately 
preceding, which opinions shall be in form and substance, and from counsel, 
reasonably satisfactory to the Administrative Agent.

SECTION 9.  NEGATIVE COVENANTS

      The Borrower hereby agrees that, so long as the Commitments remain in
effect or any amount is owing to any Lender or the Administrative Agent
hereunder or under any other Loan Document, the Borrower shall not, and (except
with respect to subsection 9.1) shall not permit any of its Subsidiaries to,
directly or indirectly:

      9.1 Financial Condition Covenants.

            (a) Indebtedness to EBITDA. Permit, for any period of four
consecutive fiscal quarters, ending on the last day of any fiscal quarter, the
ratio of Indebtedness on such day to TTM EBITDA for the twelve-month period
ending on such day to be greater than 2.75 to 1.00.

            (b) Indebtedness to Net Worth.  Permit, on the last day of any
fiscal quarter ending during any fiscal period set forth below, the ratio of 
(i) Indebtedness on such day to (ii) Total Capitalization on such day to be 
greater than the ratio set forth opposite such fiscal period below:

         Fiscal Period                         Ratio
         -------------                         -----

    Closing Date to 06/29/98                0.60 to 1.00

    06/30/98 to 06/29/99                    0.55 to 1.00

    06/30/99 and thereafter                 0.50 to 1.00

            (c) Minimum Tangible Net Worth.  Permit, on the last day of any
fiscal quarter, the sum of (i) the amount equal to Consolidated Tangible Net
Worth on June 30, 1997 minus $5,000,000 ( provided that such amount shall not
be less than $23,000,000), plus (ii) the greater of (A) $0 and (B) 50% of
Consolidated Net Income (after dividends, excluding goodwill and including
losses) for each fiscal quarter of the Borrower and its Subsidiaries occurring
after such day.

            (d) Fixed Charge Coverage. Permit, for any period of four
consecutive fiscal quarters, ending on the last day of any fiscal quarter the
ratio of (i) TTM EBITDA for the twelve-month period ending on such day less
Capital Expenditures for that period to (ii) the Consolidated Fixed Charges of
the Borrower and its Subsidiaries on such day to be less than 1.75 to 1.00.

            (e) Current Accounts Ratio. Permit, on the last day of any fiscal
quarter, the ratio of (i) Consolidated Net Current Receivables (including 
billed and unbilled account receivables) and cash and Cash Equivalents not 
subject to any Lien to (ii) Indebtedness on such day to be less than 1.25 to 
1.00. 

      9.2 Limitation on Indebtedness and Preferred Stock. Create, incur, assume
or suffer to exist any Indebtedness or preferred stock (other than preferred
stock which, by its terms, does not require the payment of any cash dividends
thereon or redemption/reimbursement obligations or impose any cash penalties
(other than accrual of dividends on unpaid dividends) for the failure to 
declare cash dividends thereon), except: 

            (a) Indebtedness of the Borrower under this Agreement;

            (b) Indebtedness of any Subsidiary to the Borrower or any other
Subsidiary which has executed a Subsidiaries Guarantee;

            (c) Indebtedness outstanding on the date hereof and listed on
Schedule VI and any refinancings, refundings, renewals or extensions thereof in
an amount not to exceed the then current principal amount thereof;

            (d) Indebtedness of a corporation which becomes a Subsidiary, after
the date hereof, provided that (i) such Indebtedness existed at the time such
corporation became a Subsidiary and was not created in anticipation thereof and
(ii) immediately after giving effect to the acquisition of such corporation by
the Borrower no Default or Event of Default shall have occurred and be
continuing;

            (e) Indebtedness under any arrangement with any Person providing 
for the leasing by the Borrower or any Subsidiary of real or personal property 
which has been or is to be sold or transferred by the Borrower or such 
Subsidiary to such Person or to any other Person to whom funds have been or are
to be advanced by such Person on the security of such property or rental 
obligations of the Borrower or such Subsidiary;

            (f)  Indebtedness under Interest Rate Protection Agreements with an
aggregate notional amount not exceeding at any one time $5,000,000 and entered
into to protect the Borrower against fluctuations in interest rates and
otherwise acceptable to the Majority Lenders; 

            (g) additional Indebtedness not exceeding in aggregate principal
amount at any one time outstanding: $25,000,000; and

provided, that no such additional Indebtedness (as described in paragraphs (d),
(e) and (g) of this subsection 9.2) shall exceed in aggregate principal amount
at any one time outstanding $25,000,000.

      9.3 Limitation on Liens. Create, incur, assume or suffer to exist any
Lien upon any of its property, inventory, assets or revenues, whether now owned
or hereafter acquired, except for: 

            (a) Liens for taxes not yet due or which are being contested in 
good faith by appropriate proceedings, provided that adequate reserves with
respect thereto are maintained on the books of the Borrower or its 
Subsidiaries, as the case may be, in conformity with GAAP;

            (b) carriers', warehousemen's, mechanics', materialmen's,
repairmen's or other like Liens arising in the ordinary course of business for
sums which are not overdue for a period of more than ninety (90) days or which
are being contested in good faith by appropriate proceedings;

            (c) pledges or deposits in connection with workers' compensation,
unemployment insurance and other social security legislation and deposits
securing liability to insurance carriers under insurance or self-insurance
arrangements;

            (d) deposits to secure the performance of bids, trade contracts
(other than for borrowed money), leases, statutory obligations, surety and
appeal bonds, performance bonds and other obligations of a like nature incurred
in the ordinary course of business and Liens in favor of any customer
(including any Governmental Authority) to secure partial progress, advances or 
other payments or performance payments pursuant to any contract or statute to 
secure any related Indebtedness;

            (e) easements, rights-of-way, restrictions and other similar
encumbrances incurred in the ordinary course of business which, in the
aggregate, are not substantial in amount and which do not in any case 
materially detract from the value of the property subject thereto or materially
interfere with the ordinary conduct of the business of the Borrower or such 
Subsidiary; 

            (f) Liens in existence on the date hereof listed on Schedule VII,
securing Indebtedness permitted by subsection 9.2(c), provided that no such 
Lien is spread to cover any additional property after the date hereof and that 
the amount of Indebtedness secured thereby is not increased; 

            (g) Liens on the property or assets of a corporation which becomes
a Subsidiary after the date hereof securing Indebtedness permitted by 
subsection 9.2(c), provided that (i) such Liens existed at the time such 
corporation became a Subsidiary and were not created in anticipation thereof, 
(ii) any such Lien is not spread to cover any additional property or assets of 
such corporation after the time such corporation becomes a Subsidiary, and 
(iii) the amount of Indebtedness secured thereby is not increased; 

            (h) Purchase money Liens upon or in real property or equipment or
any other property the purchase of which constitutes a Capital Expenditure
acquired or held by the Borrower or any of its Subsidiaries in the ordinary
course of business to secure the purchase price of such property or equipment 
or to secure Indebtedness incurred solely for the purpose of financing the
acquisition of any such property or equipment to be subject to such Liens, or
Liens existing on any such property or equipment at the time of acquisition
(other than any such Liens created in contemplation of such acquisition that do
not secure the purchase price), or such Liens placed on such property or
equipment within six months of the time of such acquisition (so long as such
transactions are consistent with past business practices), or extensions,
renewals or replacements of any of the foregoing for the same or a lesser
amount; provided, however, that no such Lien shall extend to or cover any
property other than the property or equipment being acquired, and no such
extension, renewal or replacement shall extend to or cover any property not
theretofore subject to the Lien being extended, renewed or replaced; 

further provided, that the aggregate principal amount of such deposits and 
Liens (as described in paragraph (d) and (h)) outstanding at any time shall not
exceed $25,000,000; and

            (i) Liens created pursuant to the Stock Pledge Agreement.

      9.4 Limitation on Fundamental Changes. Enter into any merger,
consolidation or amalgamation, or liquidate, wind up or dissolve itself (or
suffer any liquidation or dissolution), or convey, sell, lease, assign, 
transfer or otherwise dispose of, all or substantially all of its property, 
business or assets, except: 

            (a) any Subsidiary of the Borrower may be merged or consolidated
with or into the Borrower (provided that the Borrower shall be the continuing 
or surviving corporation) or with or into any one or more wholly owned 
Subsidiaries of the Borrower (provided that the wholly owned Subsidiary or 
Subsidiaries shall be the continuing or surviving corporation);

            (b) any wholly owned Subsidiary may sell, lease, transfer or
otherwise dispose of any or all of its assets (upon voluntary liquidation or
otherwise) to the Borrower or any other wholly owned Subsidiary of the 
Borrower; 

            (c) any Subsidiary of the Borrower may enter into any transaction
permitted by subsection 9.5 or 9.6; and

            (d) any merger where the Borrower is the surviving entity; 
provided, that such merger does not result in a Default or Event of Default.

      9.5 Limitation on Sale of Assets. Convey, sell, lease, assign, transfer
or otherwise dispose of a material portion of its property, business or assets
(including, without limitation, receivables and leasehold interests), whether
now owned or hereafter acquired, or, in the case of any Subsidiary, issue or
sell any shares of such Subsidiary's Capital Stock to any Person other than the
Borrower or any wholly owned Subsidiary, except:

            (a) the sale or other disposition of obsolete or worn out property
(including, without limitation, any property which is no longer used or useful
in the business of the Borrower and its Subsidiaries) in the ordinary course of
business; and

            (b) the sale of inventory (including, without limitation, "out of
date" and "less than first quality" inventory) in the ordinary course of
business.

      9.6 Limitation on Investments, Loans, Guarantee Obligations and Advances.
Make any advance, loan, extension of credit or capital contribution to, issue
any Guarantee Obligation or purchase any stock, bonds, notes, debentures or
other securities of or any assets constituting a business unit of, or make any
other investment in, any Person, without the prior written consent of the
Majority Lenders except:

            (a) extensions of trade credit in the ordinary course of business;

            (b) investments in Cash Equivalents;

            (c) loans and advances to employees of the Borrower or its
Subsidiaries for expenses in the ordinary course of business;

            (d) investments by the Borrower in and loans by the Borrower to, 
its Domestic Subsidiaries and investments by such Domestic Subsidiaries in, and
loans by Domestic Subsidiaries to, the Borrower and other Domestic 
Subsidiaries; provided that each such Domestic Subsidiary shall have executed a
Subsidiaries Guarantee;

            (e) investments in existence on the date hereof which are described
on Schedule VIII hereof;

            (f) investments in and of ASEC and its Subsidiaries in existence on
the date of the acquisition of such entities; provided, that, (i) such
investments shall be added to Schedule VIII and (ii) ASEC and its Domestic
Subsidiaries shall have each executed a Subsidiaries Guarantee;

            (g) loans, advances and guarantee obligations to any Person other
than a Loan Party which has executed a Subsidiaries Guarantee in an aggregate
amount at any time, not exceeding $5,000,000;

            (h) loans, advances or investments in any Foreign Subsidiary in an
aggregate amount, at any time, not exceeding $3,000,000; provided that any such
Foreign Subsidiary is an Issuer pursuant to a Stock Pledge Agreement;

            (i) during such time as no Default or Event of Default has occurred
and is continuing or would result therefrom, investments in Capital Stock or
assets of an Acquired Business that shall have (i) a net income for the
preceding twelve-month period ending on the date of such acquisition and (ii) a
principal office located in (and in the case of an investment in Capital Stock,
in an entity organized under the laws of any jurisdiction within) the United
States, in an aggregate amount not to exceed the sum of (A) $25,000,000 plus 
(B) $10,000,000, for each $10,000,000 repayment of principal amount of the Term
Loan by the Borrower; provided, that such sum shall not exceed $50,000,000.

      9.7 Limitation on Transactions with Affiliates. Except for compensatory
benefit arrangements as of the date hereof, enter into any transaction,
including, without limitation, any purchase, sale, lease or exchange of 
property or the rendering of any service, with any Affiliate unless such 
transaction is (a) otherwise permitted under this Agreement, (b) in the 
ordinary course of the Borrower's or such Subsidiary's business and (c) upon 
fair and reasonable terms no less favorable to the Borrower or such Subsidiary,
as the case may be, than it would obtain in a comparable arm's length 
transaction with a Person which is not an Affiliate.

      9.8 Limitation on Changes in Fiscal Year. Permit the fiscal year of the
Borrower to end on a day other than June 30.

      9.9 Limitation on Negative Pledge Clauses. Enter into with any Person any
agreement, other than this Agreement, purchase money mortgages, Financing
Leases and other similar fixed asset financings permitted by this Agreement (in
which cases, any prohibition or limitation shall only be effective against the 
assets financed thereby), which prohibits or limits the ability of the Borrower
or any of its Subsidiaries to create, incur, assume or suffer to exist any Lien
upon any of its property, assets or revenues, whether now owned or hereafter
acquired.

      9.10 Limitation on Lines of Business. Except in connection with
immaterial portions of an Acquired Business, enter into any business, either
directly or through any Subsidiary, except for (a) the businesses and 
businesses of a similar type in which the Borrower and its Subsidiaries are 
engaged on the date hereof and ASEC and its Subsidiaries are engaged on the 
date of the acquisition of such entities and (b) other activities relating 
thereto.

SECTION 10. EVENTS OF DEFAULT

      If any of the following events shall occur and be continuing:

            (a) The Borrower shall fail to pay any principal of any Loan or any
Reimbursement Obligation within five (5) Business Days after any such principal
becomes due in accordance with the terms hereof or any other Loan Document, or
the Borrower shall fail to pay any interest on any Loan, within fifteen (15)
Business Days after any such interest becomes due, or the Borrower shall fail 
to pay any other amount payable hereunder or any other Loan Document after such
other amount becomes due in accordance with the terms thereof or hereof; or

            (b) Any representation or warranty made or deemed made by the
Borrower or any other Loan Party herein or in any other Loan Document or which
is contained in any certificate, document or financial or other statement
furnished by it at any time under or in connection with this Agreement or any
such other Loan Document shall prove to have been incorrect in any material
respect on or as of the date made or deemed made; or

            (c) The Borrower or any other Loan Party shall default in the
observance or performance of any agreement contained in Section 9 (excluding 
any such agreements contained in subsections 9.1(b) and (c)) or any negative
covenant contained in any other Loan Document; or

            (d) The Borrower or any other Loan Party shall default in the
observance or performance of any other agreement contained in this Agreement or
any other Loan Document (other than as provided in paragraphs (a) through (c) 
of this Section 10), and such default shall continue unremedied for a period of
thirty (30) days after the earlier of (i) the date upon which an executive
officer of the Borrower has actual knowledge thereof and (ii) the date upon
which the Administrative Agent or any Lender gives notice to the Borrower
thereof; or

            (e) The Borrower or any of its Subsidiaries shall (i) default in 
any payment of principal of or interest of any Indebtedness (other than the
Loans) or in the payment of any Guarantee Obligation, beyond the period of 
grace (not to exceed thirty (30) days), if any, provided in the instrument or 
agreement under which such Indebtedness or Guarantee Obligation was created; or
(ii) default in the observance or performance of any other agreement or 
condition relating to any such Indebtedness or Guarantee Obligation or 
contained in any instrument or agreement evidencing, securing or relating 
thereto, or any other event shall occur or condition exist, the effect of which
default or other event or condition is to cause, or to permit the holder or 
holders of such Indebtedness or beneficiary or beneficiaries of such Guarantee 
Obligation (or a trustee or Administrative Agent on behalf of such holder or 
holders or beneficiary or beneficiaries) to cause, with the giving of notice or
the passage of time if required, such Indebtedness to become due prior to its 
stated maturity or such Guarantee Obligation to become payable; provided, 
however, that no Default or Event of Default shall exist under this paragraph 
unless the aggregate amount of Indebtedness and/or Guarantee Obligations in 
respect of which any default or other event or condition referred to in this 
paragraph shall have occurred shall be equal to at least $1,000,000; or

            (f) (i) The Borrower or any Subsidiary shall commence any case,
proceeding or other action (A) under any existing or future law of any
jurisdiction, domestic or foreign, relating to bankruptcy, insolvency,
reorganization or relief of debtors, seeking to have an order for relief 
entered with respect to it, or seeking to adjudicate it a bankrupt or 
insolvent, or seeking reorganization, arrangement, adjustment, winding-up, 
liquidation, dissolution, composition or other relief with respect to it or its
debts, or (B) seeking appointment of a receiver, trustee, custodian, 
conservator or other similar official for it or for all or any substantial part
of its assets, or the Borrower or any Subsidiary shall make a general 
assignment for the benefit of its creditors; or (ii) there shall be commenced 
against the Borrower or any Subsidiary any case, proceeding or other action of 
a nature referred to in clause (i) above which (A) results in the entry of an 
order for relief or any such adjudication or appointment or (B) remains 
undismissed, undischarged or unbonded for a period of sixty (60) days; or (iii)
there shall be commenced against the Borrower or any Subsidiary any case, 
proceeding or other action seeking issuance of a warrant of attachment, 
execution, distraint or similar process against all or any substantial part of 
its assets which results in the entry of an order for any such relief which 
shall not have been vacated, discharged, or stayed or bonded pending appeal 
within sixty (60) days from the entry thereof, or (iv) the Borrower or any 
Subsidiary shall take any action in furtherance of, or indicating its consent 
to, approval of, or acquiescence in, any of the acts set forth in clause (i), 
(ii), or (iii) above; or (v) the Borrower or any Subsidiary shall generally 
not, or shall be unable to, or shall admit in writing its inability to, pay its
debts as they become due; or 

            (g) (i) Any Person shall engage in any "prohibited transaction" (as
defined in Section 406 of ERISA or Section 4975 of the Code) involving any 
Plan, (ii) any "accumulated funding deficiency" (as defined in Section 302 of 
ERISA), whether or not waived, shall exist with respect to any Plan or any Lien
in favor of the PBGC or a Plan shall arise on the assets of the Borrower or any
Commonly Controlled Entity, (iii) a Reportable Event shall occur with respect 
to, or proceedings shall commence to have a trustee appointed, or a trustee 
hall be appointed, to administer or to terminate, any Single Employer Plan,
which Reportable Event or commencement of proceedings or appointment of a 
trustee is, in the reasonable opinion of the Majority Lenders, likely to result
in the termination of such Plan for purposes of Title IV of ERISA, (iv) any 
Single Employer Plan shall terminate for purposes of Title IV of ERISA,  (v) 
the Borrower or any Commonly Controlled Entity shall, or in the reasonable
opinion of the Majority Lenders is likely to, incur any liability in connection
with a withdrawal from, or the Insolvency or Reorganization of, a Multiemployer
Plan or (vi) any other adverse event or condition shall occur or exist with 
respect to a Plan; and in each case in clauses (i) through (vi) above, such 
event or condition, together with all other such events or conditions, if any, 
could reasonably be expected to involve an aggregate amount of liability to the
Borrower or any Subsidiary in excess of $1,000,000; or

            (h) One or more judgments or decrees shall be entered against the
Borrower or any Subsidiaries involving in the aggregate a liability (not paid 
or fully covered by insurance) of $1,000,000 or more, and all such judgments or
decrees shall not have been vacated, discharged, stayed or bonded pending 
appeal within sixty (60) days from the entry thereof; or

            (i) (i) As a result of one or more transactions (including, without
limitation, mergers, acquisitions, amalgamations or consolidations) occurring
after the Closing Date (A) any Person (1) shall have acquired beneficial
ownership of 30% or more of any outstanding class of Capital Stock having
ordinary voting power in the election of directors of the Borrower or (2) shall
obtain the power (whether or not exercised) to elect a majority of the
Borrower's directors; or (B) for each consecutive twelve month period from the
Closing Date, any three or more Persons holding any one or more of the
following offices of the Borrower: the Chair of the Board of Directors, the 
Chief Executive Officer, the President, the Chief Financial Officer or any
Group President, shall not be Continuing Officers ("Continuing Officers" shall 
mean such Persons who hold such offices of the Borrower as of (i) the Closing 
Date or (ii) the annual anniversary date of the Closing Date, as context 
requires); or (ii) the Board of Directors of the Borrower shall not consist of 
a majority of Continuing Directors ("Continuing Directors" shall mean the 
directors of the Borrower on the date hereof and each other director, if such 
other director's nomination for election to the Board of Directors of the
Borrower is recommended by a majority of the then Continuing Directors); or 

            (j) (i) the Stock Pledge Agreement shall cease, for any reason
(other than a partial or full release in accordance with the terms thereof), to
be in full force and effect; (ii) the Lien created by any of the Stock Pledge
Agreements shall cease to be enforceable and of the same effect and priority
purported to be created thereby; or (iii) any Subsidiaries Guarantee shall
cease, for any reason, to be in full force and effect or any Guarantor shall so
assert;

            (k) any Loan Party is debarred, suspended or proposed for debarment
or is declared ineligible for the award of contracts by any Governmental
Authority and such debarment, suspension or proposed debarment or declaration 
is reasonably expected to have a Material Adverse Effect on the business,
operations, property, financial condition or prospects of the Borrower and its
Subsidiaries taken as a whole;

then, and in any such event, (i) if such event is an Event of Default specified
in clause (i) or (ii) of paragraph (f) of this Section 10 with respect to the
Borrower, automatically the Commitments shall immediately terminate and the
Loans hereunder (with accrued interest thereon) and all other amounts owing
under this Agreement (including, without limitation, all amounts of L/C
Obligations, whether or not the beneficiaries of the then outstanding Letters 
of Credit shall have presented the documents required thereunder) shall
immediately become due and payable, and (ii) if such event is any other Event 
of Default, either or both of the following actions may be taken: (A) with the 
consent of the Majority Lenders, the Administrative Agent may, or upon the 
request of the Majority Lenders, the Administrative Agent shall, by notice to 
the Borrower declare the Commitments to be terminated forthwith, whereupon the
Commitments shall immediately terminate; and (B) with the consent of the 
Majority Lenders, the Administrative Agent may, or upon the request of the 
Majority Lenders, the Administrative Agent shall, by notice to the Borrower, 
declare the Loans hereunder (with accrued interest thereon) and all other 
amounts owing under this Agreement (including, without limitation, all amounts 
of L/C Obligations, whether or not the beneficiaries of the then outstanding 
Letters of Credit shall have presented the documents required thereunder) to be
due and payable forthwith, whereupon the same shall immediately become due and 
payable. Except as expressly provided above in this Section 10, presentment, 
demand, protest and all other notices of any kind are hereby expressly waived.

      With respect to all Letters of Credit for which there is an L/C
Obligation with respect to which presentment for honor shall not have occurred
at the time of an acceleration pursuant to the preceding paragraph, the 
Borrower shall at such time deposit (by such procedure acceptable to the 
Administrative Agent) with the Administrative Agent, for the benefit of the 
Lenders, in an amount equal to the aggregate then undrawn and unexpired amount 
of such Letters of Credit. The Borrower hereby grants to the Administrative 
Agent, for the benefit of the holders of the Secured Obligations, the Issuing 
Banks and the L/C Participants, a security interest in such cash collateral to 
secure the Secured Obligations and to secure all other obligations of the 
Borrower under this Agreement and the other Loan Documents. The Administrative 
Agent shall release such cash collateral on the Termination Date. The Borrower 
shall execute and deliver to the Administrative Agent such further documents 
and instruments as the Administrative Agent may request to evidence the 
creation and perfection of its security interest in such cash collateral 
account.

SECTION 11. THE ADMINISTRATIVE AGENT

      11.1 Appointment. (a) Each Lender hereby irrevocably designates and
appoints NationsBank, N.A. as the Administrative Agent of such Lender under 
this Agreement and the other Loan Documents, and each such Lender irrevocably
authorizes the Administrative Agent, in such capacity, to take such action on
its behalf under the provisions of this Agreement and the other Loan Documents
and to exercise such powers and perform such duties as are expressly delegated
to the Administrative Agent by the terms of this Agreement and the other Loan
Documents, together with such other powers as are reasonably incidental 
thereto. Notwithstanding any provision to the contrary elsewhere in this 
Agreement, the Administrative Agent shall not have any duties or responsi-
bilities, except those expressly set forth herein, or any fiduciary relation-
ship with any Lender, and no implied covenants, functions, responsibilities, 
duties, obligations or liabilities shall be read into this Agreement or any 
other Loan Document or otherwise exist against the Administrative Agent.

      11.2 Delegation of Duties. The Administrative Agent may execute any of
its duties under this Agreement and the other Loan Documents by or through
Administrative Agents or attorneys-in-fact and shall be entitled to advice of
counsel concerning all matters pertaining to such duties. The Administrative
Agent shall not be responsible for the negligence or misconduct of any
Administrative Agents or attorneys-in-fact selected by it with reasonable care.

      11.3 Exculpatory Provisions. Neither the Administrative Agent nor any of
its officers, directors, employees, Administrative Agents, attorneys-in-fact or
Affiliates shall be (i) liable for any action lawfully taken or omitted to be
taken by it or such Person under or in connection with this Agreement or any
other Loan Document (except for its or such Person's own gross negligence or
willful misconduct) or (ii) responsible in any manner to any of the Lenders for
any recitals, statements, representations or warranties made by the Borrower or
any officer thereof contained in this Agreement or any other Loan Document or 
in any certificate, report, statement or other document referred to or provided
for in, or received by the Administrative Agent under or in connection with, 
this Agreement or any other Loan Document or for the value, validity, 
effectiveness, genuineness, enforceability or sufficiency of this Agreement or 
any other Loan Document or for any failure of the Borrower to perform its 
obligations hereunder or thereunder. The Administrative Agent shall not be 
under any obligation to any Lender to ascertain or to inquire as to the 
observance or performance of any of the agreements contained in, or conditions 
of, this Agreement or any other Loan Document, or to inspect the properties, 
books or records of the Borrower. 

       11.4 Reliance by Administrative Agent. The Administrative Agent shall be
entitled to rely, and shall be fully protected in relying, upon any Note,
writing, resolution, notice, consent, certificate, affidavit, letter, telecopy,
telex or teletype message, statement, order or other document or conversation
believed by it to be genuine and correct and to have been signed, sent or made
by the proper Person or Persons and upon advice and statements of legal counsel
(including, without limitation, counsel to the Borrower), independent
accountants and other experts selected by the Administrative Agent. Without
limiting the foregoing or the obligation of the Borrower to confirm in writing
any telephonic notice permitted to be given hereunder, the Administrative Agent
may prior to receipt of written confirmation act without liability upon the
basis of such telephonic notice, believed by the Administrative Agent in good
faith to be from a Responsible Officer or Borrower.  The Administrative Agent
may deem and treat the payee of any Note as the owner thereof for all purposes
unless a written notice of assignment, negotiation or transfer thereof shall
have been filed with the Administrative Agent. The Administrative Agent shall 
be fully justified in failing or refusing to take any action under this 
Agreement or any other Loan Document unless it shall first receive such advice 
or concurrence of the Majority Lenders as it deems appropriate or it shall
first be indemnified to its satisfaction by the Lenders against any and all 
liability and expense which may be incurred by it by reason of taking or 
continuing to take any such action. The Administrative Agent shall in all cases
be fully protected in acting, or in refraining from acting, under this 
Agreement and the other Loan Documents in accordance with a request of the 
Majority Lenders, and such request and any action taken or failure to act 
pursuant thereto shall be binding upon all the Lenders and all future holders 
of the Loans. 

      11.5 Notice of Default. The Administrative Agent shall not be deemed to
have knowledge or notice of the occurrence of any Default or Event of Default
hereunder unless the Administrative Agent has received notice from a Lender or
the Borrower referring to this Agreement, describing such Default or Event of
Default and stating that such notice is a "notice of default". In the event 
that the Administrative Agent receives such a notice, the Administrative Agent 
shall give notice thereof to the Lenders. The Administrative Agent shall take 
such action with respect to such Default or Event of Default as shall be 
reasonably directed by the Majority Lenders; provided that unless and until the
Administrative Agent shall have received such directions, the Administrative
Agent may (but shall not be obligated to) take such action, or refrain from
taking such action, with respect to such Default or Event of Default as it 
shall deem advisable in the best interests of the Lenders.

      11.6 Non-Reliance on Administrative Agent and Other Lenders. Each Lender
expressly acknowledges that neither the Administrative Agent nor any of its
officers, directors, employees, Administrative Agents, attorneys-in-fact or
Affiliates has made any representations or warranties to it and that no act by
the Administrative Agent hereinafter taken, including any review of the affairs
of the Borrower, shall be deemed to constitute any representation or warranty 
by the Administrative Agent to any Lender. Each Lender represents to the
Administrative Agent that it has, independently and without reliance upon the
Administrative Agent or any other Lender, and based on such documents and
information as it has deemed appropriate, made its own appraisal of and
investigation into the business, operations, property, financial and other
condition and creditworthiness of the Borrower and made its own decision to
make its Loans hereunder and enter into this Agreement. Each Lender also 
represents that it will, independently and without reliance upon the 
Administrative Agent or any other Lender, and based on such documents and 
information as it shall deem appropriate at the time, continue to make its own 
credit analysis, appraisals and decisions in taking or not taking action under 
this Agreement and the other Loan Documents, and to make such investigation as 
it deems necessary to inform itself as to the business, operations, property, 
financial and other condition and creditworthiness of the Borrower. Except for 
notices, reports and other documents expressly required to be furnished to the 
Lenders by the Administrative Agent hereunder, the Administrative Agent shall 
not have any duty or responsibility to provide any Lender with any credit or 
other information concerning the business, operations, property, condition 
(financial or otherwise), prospects or creditworthiness of the Borrower which 
may come into the possession of the Administrative Agent or any of its 
officers, directors, employees, Administrative Agents, attorneys-in-fact or 
Affiliates. 

      11.7 Indemnification. The Lenders agree to indemnify the Administrative
Agent in its capacity as such (to the extent not reimbursed by the Borrower and
without limiting the obligation of the Borrower to do so), ratably according to
their respective Commitment Percentages in effect on the date on which
indemnification is sought (such Commitment Percentage to be determined as if
there are not Defaulting Lenders), from and against any and all liabilities,
obligations, losses, damages, penalties, actions, judgments, suits, costs,
expenses or disbursements of any kind whatsoever which may at any time
(including, without limitation, at any time following the payment of the Loans)
be imposed on, incurred by or asserted against the Administrative Agent in any
way relating to or arising out of, the Commitments, this Agreement, any of the
other Loan Documents or any documents contemplated by or referred to herein or
therein or the transactions contemplated hereby or thereby or any action taken
or omitted by the Administrative Agent under or in connection with any of the
foregoing; provided that no Lender shall be liable for the payment of any
portion of such liabilities, obligations, losses, damages, penalties, actions,
judgments, suits, costs, expenses or disbursements resulting solely from the
Administrative Agent's gross negligence or willful misconduct. To the extent
that any Lender would be required to indemnify the Administrative Agent
pursuant to this subsection 11.7 but for the fact that it is a Defaulting 
Lender, such Defaulting Lender shall not be entitled to receive any portion of 
any payment or other distribution hereunder until each other Lender shall have 
been reimbursed for the excess, if any, of the aggregate amount paid by such 
Lender under this subsection 11.7 over the aggregate amount that such Lender 
would have been obligated to pay had such first Lender not been a Defaulting 
Lender. The agreements in this subsection 11.7 shall survive the payment of the
Loans and all other amounts payable hereunder.

      11.8 Administrative Agent in its Individual Capacity. The Administrative
Agent and each of its respective Affiliates may make loans to, accept deposits
from and generally engage in any kind of business with the Borrower as though
the Administrative Agent were not the Administrative Agent hereunder and under
the other Loan Documents. With respect to its Loans made or renewed by it and
any Note issued to it and with respect to any Letter of Credit issued or
participated in by it, the Administrative Agent shall have the same rights and
powers under this Agreement and the other Loan Documents as any Lender and may
exercise the same as though it were not the Administrative Agent, and the terms
"Lender" and "Lenders" shall include the Administrative Agent in its respective
individual capacity.

      11.9 Successor Administrative Agent. The Administrative Agent may resign
as Administrative Agent upon ten (10) days' notice to the Lenders and Borrower.
If the Administrative Agent shall resign as Administrative Agent under this
Agreement and the other Loan Documents, then the Majority Lenders shall appoint
from among the Lenders a successor Administrative Agent for the Lenders, which
successor Administrative Agent (provided that it shall have been approved by 
the Borrower), shall succeed to the rights, powers and duties of the 
Administrative Agent hereunder. Effective upon such appointment and approval, 
the term "Administrative Agent" shall mean such successor Administrative Agent,
and the former Administrative Agent's rights, powers and duties as 
Administrative Agent shall be terminated, without any other or further act or 
deed on the part of such former Administrative Agent or any of the parties to 
this Agreement or any holders of the Loans. After any retiring Administrative 
Agent's resignation as Administrative Agent, the provisions of this Section 11
 shall inure to its benefit as to any actions taken or omitted to be taken by 
it while it was Administrative Agent under this Agreement and the other Loan 
Documents. 

SECTION 12. MISCELLANEOUS

      12.1 Amendments and Waivers. Neither this Agreement nor any other Loan
Document, nor any terms hereof or thereof, may be amended, supplemented or
modified except in accordance with the provisions of this subsection 12.1. The
Majority Lenders may, or, with the written consent of the Majority Lenders, the
Administrative Agent may, from time to time, (a) enter into with the Borrower
written amendments, supplements or modifications hereto and to the other Loan
Documents for the purpose of adding any provisions to this Agreement or the
other Loan Documents or changing in any manner the rights of the Lenders or of
the Borrower hereunder or thereunder or (b) waive, on such terms and conditions
as the Majority Lenders or the Administrative Agent, as the case may be, may
specify in such instrument, any of the requirements of this Agreement or the
other Loan Documents or any Default or Event of Default and its consequences;
provided, however, that no such waiver and no such amendment, supplement or
modification shall:

                   (i)  reduce the amount or extend the scheduled date of
            maturity of any Loan or of any installment thereof, or reduce the
            stated rate of any interest or fee payable hereunder or extend the
            scheduled date of any payment thereof or increase the amount or
            extend the expiration date of any Lenders' Commitments or increase
            the amount or extend the expiration date of the Swing Line Loan
            Facility, in each case without the consent of each Non-Defaulting
            Lender directly affected thereby;

                   (ii) amend, modify or waive any provision of subsections
            10(a) and 10(e), in each case without the written consent of all 
            the Non-Defaulting Lenders; 

                   (iii)      amend, modify or waive any provision of this
            subsection 12.1 or reduce the percentage specified in the 
            definition of Majority Lenders, or consent to the assignment or 
            transfer by the Borrower of any of its rights and obligations under
            this Agreement and the other Loan Documents, in each case without 
            the written consent of all the Non-Defaulting Lenders;

                   (iv) consent to the assignment or transfer by the Borrower 
            of any of its rights and obligations under this Agreement and the 
            other Loan Documents, in each case without the written consent of
            all the Non-Defaulting Lenders;

                   (v)  take any action having the effect of releasing any of
            the material collateral or material guarantee obligations provided
            for in any Subsidiaries Guarantee or Stock Pledge Agreement in each
            case without the written consent of the Non-Defaulting Lenders;

                   (vi) amend, modify or waive any provision of Section 4
            without the written consent of each Issuing Bank directly affected
            thereby (provided that such Issuing Bank is not a Defaulting
            Lender); or

                   (vii) amend, modify or waive any provision of Section 11
            without the written consent of the then Administrative Agent.

Any such waiver and any such amendment, supplement or modification shall apply
equally to each of the Lenders (including Defaulting Lenders) and shall be
binding upon the Borrower, the Lenders (including Defaulting Lenders) , the
Administrative Agent and all future holders of the Loans. In the case of any
waiver, the Borrower, the Lenders (including Defaulting Lenders) and the
Administrative Agent shall be restored to their former positions and rights
hereunder and under the other Loan Documents, and any Default or Event of
Default waived shall be deemed to be cured and not continuing; no such waiver
shall extend to any subsequent or other Default or Event of Default or impair
any right consequent thereon.

      12.2 Releases of Collateral Security and Guarantee Obligations.
Notwithstanding anything to the contrary contained herein or in any Loan
Document, upon request of the Borrower, the Administrative Agent shall (without
any notice to or vote or consent of any Lender) take any action which has the
effect of releasing any collateral security and/or guarantee obligations
provided for in any Loan Document to the extent necessary to permit the
consummation of any asset dispositions permitted by subsection 9.5. 

      12.3 Notices. Unless otherwise expressly provided herein, all notices,
requests and demands to or upon the respective parties hereto to be effective
shall be in writing (including by facsimile transmission) and, unless otherwise
expressly provided herein, shall be deemed to have been duly given or made (a)
in the case of delivery by hand, when delivered, (b) in the case of delivery by
mail, three (3) days after being deposited in the mails, postage prepaid, or 
(c) in the case of delivery by facsimile transmission, when sent and receipt 
has been confirmed, addressed as follows in the case of the Borrower and the
Administrative Agent, and as set forth in Schedule I in the case of the other
parties hereto, or to such other address as may be hereafter notified by the
respective parties hereto:

The Borrower:

            Computer Data Systems, Inc.
            One Curie Court
            Rockville, MD  20850
            Attention: John C. Kezer, Treasurer/Secretary
            Telecopy:   (301) 921-0130
            Phone:      (301) 921-7017  

with a copy to:     
- -------------- 

            Miles & Stockbridge, a Professional Corporation
            10 Light Street
            Baltimore, MD  21202
            Attention: David A. Gibbons, Esq.
            Telecopy:   (410) 385-3700
            Phone:      (410) 385-3521  

The Administrative Agent: 

            NationsBank, N.A.
            8300 Greensboro Dr.
            Suite 550
            McLean, VA  22102
            Attention: James W. Gaittens, Vice President
            Telecopy:   (703) 917-0519
            Phone:      (703) 761-8405

with a copy to:     
- --------------

            Shaw Pittman Potts & Trowbridge
            2300 N Street, N.W.
            Washington, D.C.  20037
            Attention: M. David Krohn, Esq.
            Telecopy:   (202) 663-8007
            Phone:      (202) 663-8520

provided that any notice, request or demand to or upon the Administrative Agent
pursuant to subsection 2.2, 3.2, 3.5,4.2, 5.4, 5.5 or 5.8 shall not be 
effective until received.

      12.4 No Waiver; Cumulative Remedies. No failure to exercise and no delay
in exercising on the part of the Administrative Agent or any Lender, any right,
remedy, power or privilege hereunder or under the other Loan Documents shall
operate as a waiver thereof; nor shall any single or partial exercise of any
right, remedy, power or privilege hereunder preclude any other or further
exercise thereof or the exercise of any other right, remedy, power or 
privilege.  The rights, remedies, powers and privileges herein provided are 
cumulative and not exclusive of any rights, remedies, powers and privileges 
provided by law.

      12.5 Survival of Representations and Warranties. All representations and
warranties made hereunder, in the other Loan Documents and in any document,
certificate or statement delivered pursuant hereto or in connection herewith
shall survive the execution and delivery of this Agreement and the making of 
the Loans hereunder.

      12.6 Payment of Expenses and Taxes. The Borrower agrees (a) to pay or
reimburse the Administrative Agent for all of its reasonable out-of-pocket 
costs and expenses incurred in connection with the development, preparation and
execution of any amendment, supplement or modification to, this Agreement and
the other Loan Documents and any other documents prepared in connection here-
with or therewith, and the consummation and administration of the transactions
contemplated hereby and thereby, including, without limitation, the reasonable
fees and disbursements of counsel to the Administrative Agent, (b) to pay or
reimburse each Lender and the Administrative Agent for all its costs and
expenses incurred in connection with the enforcement or preservation of any
rights under this Agreement, the other Loan Documents and any such other
documents, including, without limitation, the reasonable fees and disbursements
of counsel to each Lender and of counsel to the Administrative Agent, (c) to
pay, indemnify, and hold each Lender and the Administrative Agent harmless 
from, any and all recording and filing fees and any and all liabilities with 
respect to, or resulting from any delay in paying, stamp, excise and other 
taxes, if any, which may be payable to any other Person or determined to be 
payable to any other Person in connection with the execution and delivery of, 
or consummation or administration of any of the transactions contemplated by, 
or any amendment, supplement or modification of, or any waiver or consent under
or in respect of, this Agreement, the other Loan Documents and any such other 
documents, and (d) to pay, indemnify, and hold each Lender and the 
Administrative Agent harmless from and against any and all other liabilities, 
obligations, losses, damages, penalties, actions, judgments, suits, costs, 
expenses or disbursements to any other Person of any kind or nature whatsoever 
with respect to any Letters of Credit or the execution, delivery, enforcement, 
performance and administration of this Agreement, the other Loan Documents or 
the use of the proceeds of the Loans and any such other documents, including, 
without limitation, any of the foregoing relating to the violation of, non-
compliance with or liability under, any Environmental Law applicable to the 
operations of the Borrower, any of its Subsidiaries or any of the Properties 
(all the foregoing in this clause (d), collectively, the "indemnified 
liabilities"), provided that the Borrower shall have no obligation hereunder
to the Administrative Agent or any Lender with respect to indemnified 
liabilities to the extent arising from the gross negligence or willful 
misconduct of the Administrative Agent or such Lender. The agreements in 
this subsection 12.6 shall survive repayment of the Loans and all other 
amounts payable hereunder. 

      12.7 Termination. This Agreement shall terminate upon the termination of
all Commitments and the expiration of all Letters of Credit for which there is
an L/C Obligation and the irrevocable repayment in full of the aggregate
outstanding principal amount of the Loans, accrued interest thereon, and all
fees and expenses and other amounts due and payable at such time under any of
the Loan documents; provided that all indemnities set forth herein including,
without limitation, in subsections 5.15, 5.16, 5.17, 11.7 and 12.6 shall 
survive such termination.

      12.8 Successors and Assigns; Participations and Assignments. 

            (a) This Agreement shall be binding upon and inure to the benefit 
of the Borrower, the Lenders, the Administrative Agent and their respective
successors and assigns, except that the Borrower may not assign or transfer any
of its rights or obligations under this Agreement without the prior written
consent of each Lender.

            (b) Any Lender may, in the ordinary course of its commercial 
banking business and in accordance with applicable law, at any time sell to one
or more banks or other financial institutions ("Participants") participating 
interests in any Loan owing to such Lender, any Commitment of such Lender or 
any other interest of such Lender hereunder and under the other Loan Documents.
In the event of any such sale by a Lender of a participating interest to a 
Participant, such Lender's obligations under this Agreement shall remain  
unchanged, such Lender shall remain solely responsible for the performance 
thereof, such Lender shall remain the holder of any such Loan for all purposes 
under this Agreement and the other Loan Documents, and the Borrower and the 
Administrative Agent shall continue to deal solely and directly with such 
Lender in connection with such Lender's rights and obligations under this 
Agreement and the other Loan Documents. No Lender shall be entitled to create 
in favor of any Participant, in the participation agreement pursuant to which 
such Participant's participating interest shall be created or otherwise, any 
right to vote on, consent to or approve any matter relating to this Agreement 
or any other Loan Document except for those specified in clauses (i) and (ii)
of the proviso to subsection 12.1. The Borrower agrees that if amounts out-
standing under this Agreement are due or unpaid, or shall have been declared or
shall have become due and payable upon the occurrence of an Event of Default, 
each Participant shall, to the maximum extent permitted by applicable law, be 
deemed to have the right of setoff in respect of its participating interest in 
amounts owing under this Agreement to the same extent as if the amount of its 
participating interest were owing directly to it as a Lender under this 
Agreement, provided that, in purchasing such participating interest, such 
Participant shall be deemed to have agreed to share with the Lenders the 
proceeds thereof as fully as if it were a Lender hereunder. The Borrower also 
agrees that each Participant shall be entitled to the benefits of subsections 
5.15, 5.16 and 5.17 with respect to its participation in the Commitments and 
the Loans outstanding from time to time as if it was a Lender; provided that, 
in the case of subsection 5.16, such Participant shall have complied with the 
requirements of said subsection and provided, further, that no Participant 
shall be entitled to receive any greater amount pursuant to any such sub-
section than the Lenders would have been entitled to receive in respect of 
the amount of the participation transferred by such Lender to such 
Participant had no such transfer occurred. 

            (c) Any Lender may, in the ordinary course of its commercial 
banking business and in accordance with applicable law, at any time and from 
time to time assign to any Lender or any affiliate thereof or, with the consent
of the Borrower and the Administrative Agent (which in each case shall not be
unreasonably withheld), to an additional bank or financial institution (an
"Assignee") all or any part of its rights and obligations under this Agreement
and the other Loan Documents pursuant to an Assignment and Acceptance,
substantially in the form of Exhibit I, executed by such Assignee, such
assigning Lender (and, in the case of an Assignee that is not then a Lender or
an affiliate thereof, by the Borrower and the Administrative Agent) and
delivered to the Administrative Agent for its acceptance and recording, 
provided that, in the case of any such assignment to an additional bank or 
financial institution, (x) the sum of the aggregate principal amount of the 
Term Loan (or, prior to the Closing Date, Term Loan Commitment) and the 
aggregate amount of the Revolving Credit Commitment being assigned are not less
than $5,000,000 (or such lesser amount as may be agreed to by the Borrower and 
the Administrative Agent) and (y) if such assignment is of less than all of the
rights and obligations of the assigning Lender, the sum of the aggregate
principal amount of the Term Loan (or, prior to the Closing Date, Term Loan 
Commitment) and the aggregate amount of the Revolving Credit Commitment 
remaining with the assigning Lender are each not less than $5,000,000 (or 
such lesser amount as may be agreed to by the Borrower and the Administrative 
Agent). Upon such execution, delivery, acceptance and recording (and the 
payment of the registration and processing fee described in clause (e) below),
from and after the effective date determined pursuant to such Assignment and
Acceptance, (x) the Assignee thereunder shall be a party hereto and, to the 
extent provided in such Assignment and Acceptance, have the rights and 
obligations of a Lender hereunder with a Commitment as set forth therein, and 
(y) the assigning Lender thereunder shall, to the extent provided in such 
Assignment and Acceptance, be released from its obligations under this 
Agreement (and, in the case of an Assignment and Acceptance covering all or 
the remaining portion of the Lenders' rights and obligations under this 
Agreement, such assigning Lender shall cease to be a party hereto).
Notwithstanding any provision of this paragraph (c) of this subsection, the
consent of the Borrower shall not be required for any assignment which occurs 
at any time when any of the events described in subsection 10(f) shall have
occurred and be continuing.

            (d) The Administrative Agent, on behalf of the Borrower, shall
maintain at the address of the Administrative Agent referred to in subsection
12.3 a copy of each Assignment and Acceptance delivered to it and a register
(the "Register") for the recordation of the names and addresses of the Lenders
and the Commitments of, and principal amounts of the Loans owing to, each 
Lender from time to time. The entries in the Register shall be conclusive, in 
the absence of manifest error, and the Borrower, the Administrative Agent and 
the Lenders may (and, in the case of any Loan or other obligation hereunder not
evidenced by a Note, shall) treat each Person whose name is recorded in the
Register as the owner of a Loan or other obligation hereunder as the owner
thereof for all purposes of this Agreement and the other Loan Documents,
notwithstanding any notice to the contrary. Any assignment of any Loan or other
obligation hereunder not evidenced by a Note shall be effective only upon
appropriate entries with respect thereto being made in the Register. The
Register shall be available for inspection by the Borrower or any Lender at any
reasonable time and from time to time upon reasonable prior notice.

            (e) Upon its receipt of an Assignment and Acceptance executed by an
assigning Lender and an Assignee (and, in the case of an Assignee that is not
then a Lender or an affiliate thereof, by the Borrower and the Administrative
Agent), together with payment to the Administrative Agent of a registration and
processing fee of $2,500, the Administrative Agent shall (i) promptly accept
such Assignment and Acceptance and (ii) on the effective date determined
pursuant thereto record the information contained therein in the Register and
give notice of such acceptance and recordation to the Lenders and the Borrower;
provided that no such fee shall be payable with respect to any assignment from
an assigning Lender to an affiliate thereof.

            (f) The Borrower authorizes each Lender to disclose to any
Participant or Assignee (each, a "Transferee") and any prospective Transferee
any and all financial information in such Lenders' possession concerning the
Borrower and its Affiliates which has been delivered to such Lender by or on
behalf of the Borrower pursuant to this Agreement or which has been delivered
to such Lender by or on behalf of the Borrower in connection with such Lenders'
credit evaluation of the Borrower and its Affiliates prior to becoming a party
to this Agreement.

            (g) For avoidance of doubt, the parties to this Agreement
acknowledge that the provisions of this subsection 12.8 concerning assignments
of Loans and Notes relate only to absolute assignments and that such provisions
do not prohibit assignments creating security interests, including, without
limitation, any pledge or assignment by a Lender of any Loan or Note to any
Federal Reserve Bank in accordance with applicable law.

      12.9 Adjustments; Set-off. 

            (a) If any Lender (a "Benefited Lender") at any time shall receive
any payment of all or part of its Term Loan, its Revolving Credit Loans
(including Mandatory Borrowings) or the Reimbursement Obligations owing to it,
or interest thereon, or receive any collateral in respect thereof (whether
voluntarily or involuntarily, by set-off, pursuant to events or proceedings of
the nature referred to in subsection 10(f), or otherwise), in a greater
proportion than any such payment to or collateral received by any other Lender,
if any, in respect of such other Lenders' Term Loans, such Lenders' Revolving
Credit Loans (including Mandatory Borrowings) or the Reimbursement Obligations
owing to it (as the case may be), or interest thereon, such benefited Lender
shall purchase for cash from the other Lenders such portion of each such other
Lenders' Term Loans, such Lenders' Revolving Credit Loans (including Mandatory
Borrowings) or the Reimbursement Obligations owing to it (as the case may be),
or shall provide such other Lenders with the benefits of any such collateral, 
or the proceeds thereof, as shall be necessary to cause such benefited Lender
to share the excess payment or benefits of such collateral or proceeds ratably 
with each of the Lenders, and if after taking into account such sharing the 
benefited Lender continues to have access to addition funds of or collateral 
granted by the Borrower for application on account of its indebtedness, then 
the benefited Lender shall use such funds or collateral to reduce Indebtedness
of the Borrower held by it and share such payments and the benefits of such 
collateral with the other Lenders; provided, however, that if all or any 
portion of such excess payment or benefits is thereafter recovered from such 
benefited Lender, such purchase shall be rescinded, and the purchase price and 
benefits returned, to the extent of such recovery, but without interest. The 
Borrower agrees that each Lender so purchasing a portion of another Lenders' 
Loans (including Mandatory Borrowings) or Reimbursement Obligations may 
exercise all rights of payment (including, without limitation, rights of set-
off) with respect to such portion as fully as if such Lender were the direct 
holder of such portion.  

            (b) In addition to any rights and remedies of the Lenders provided
by law, each Lender shall have the right, without prior notice to the Borrower,
any such notice being expressly waived by the Borrower to the extent permitted
by applicable law, upon any amount becoming due and payable by the Borrower
hereunder (whether at the stated maturity, by acceleration or otherwise) to 
set-off and appropriate and apply against such amount any and all deposits 
(general or special, time or demand, provisional or final), in any currency, 
and any other credits, indebtedness or claims, in any currency, in each case 
whether direct or indirect, absolute or contingent, matured or unmatured, at 
any time held or owing by such Lender or any branch, agency or (to the extent 
permitted by applicable law) banking affiliate thereof to or for the credit or 
the account of the Borrower. Each Lender agrees promptly to notify the Borrower
and the Administrative Agent or any Lender after any such set-off and applica-
tion made by such Lender, provided that the failure to give such notice shall 
not affect the validity of the set-off and application.

      12.10 Counterparts. This Agreement may be executed by one or more of the
parties to this Agreement on any number of separate counterparts (including by
facsimile transmission), and all of said counterparts taken together shall be
deemed to constitute one and the same instrument. A set of the copies of this
Agreement signed by all the parties shall be lodged with the Borrower and the
Administrative Agent.

      12.11 Severability. Any provision of this Agreement which is prohibited
or unenforceable in any jurisdiction shall, as to such jurisdiction, be
ineffective to the extent of such prohibition or unenforceability without
invalidating the remaining provisions hereof, and any such prohibition or
unenforceability in any jurisdiction shall not invalidate or render
unenforceable such provision in any other jurisdiction.

      12.12 Integration. This Agreement and the other Loan Documents represent
the agreement of the Borrower, the Administrative Agent and the Lenders with
respect to the subject matter hereof, and there are no promises, undertakings,
representations or warranties by the Administrative Agent or any Lender 
relative to subject matter hereof not expressly set forth or referred to herein
or in the other Loan Documents.

      12.13 GOVERNING LAW.  THIS AGREEMENT AND THE RIGHTS AND OBLIGATIONS OF
THE PARTIES HEREUNDER SHALL BE GOVERNED BY, AND CONSTRUED AND INTERPRETED IN
ACCORDANCE WITH, THE LAW OF THE STATE OF MARYLAND.

      12.14 Submission To Jurisdiction; Waivers. The Borrower hereby
irrevocably and unconditionally:

            (a) submits for itself and its property in any legal action or
proceeding relating to this Agreement and the other Loan Documents to which it
is a party, or for recognition and enforcement of any judgment in respect
thereof, to the non-exclusive general jurisdiction of the Courts of the State 
of Maryland, the courts of the United States of America for the 4th circuit, 
and appellate courts from any thereof,

            (b) consents that any such action or proceeding may be brought in
such courts and waives any objection that it may now or hereafter have to the
venue of any such action or proceeding in any such court or that such action or
proceeding was brought in an inconvenient court and agrees not to plead or
claim the same;

            (c) agrees that service of process in any such action or proceeding
may be effected by mailing a copy thereof by registered or certified mail (or
any substantially similar form of mail), postage prepaid, to the Borrower at 
its address set forth in subsection 12.3 or at such other address of which the
Lenders shall have been notified pursuant thereto;

            (d) agrees that nothing herein shall affect the right to effect
service of process in any other manner permitted by law or shall limit the 
right to sue in any other jurisdiction; and

            (e) waives, except in the case of extreme bad faith (and otherwise
to the maximum extent not prohibited by law), any right it may have to claim or
recover in any legal action or proceeding referred to in this subsection 12.14
any special, exemplary, punitive or consequential damages.

      12.15 Acknowledgments. The Borrower hereby acknowledges that:

            (a) it has been advised by counsel in the negotiation, execution 
and delivery of this Agreement and the other Loan Documents;

            (b) neither the Administrative Agent nor any Lender has any
fiduciary relationship with or duty to the Borrower arising out of or in
connection with this Agreement or any of the other Loan Documents, and the
relationship between Administrative Agent and Lenders, on the one hand, and the
Borrower, on the other hand, in connection herewith is solely that of debtor 
and creditor; and

            (c) no joint venture is created hereby or by the other Loan
Documents or otherwise exists by virtue of the transactions contemplated hereby
among the Borrower and the Lenders.

      12.16 WAIVERS OF JURY TRIAL.  TO THE MAXIMUM EXTENT PERMITTED BY
APPLICABLE LAW, THE BORROWER, THE ADMINISTRATIVE AGENT AND THE LENDERS HEREBY
IRREVOCABLY AND UNCONDITIONALLY WAIVE TRIAL BY JURY IN ANY LEGAL ACTION OR
PROCEEDING RELATING TO THIS AGREEMENT OR ANY OTHER LOAN DOCUMENT AND FOR ANY
COUNTERCLAIM THEREIN.

      12.17 Confidentiality.  Each of the Administrative Agent and the Lenders
agrees that it will use reasonable efforts not to disclose without the prior
consent of the Borrower (other than to its employees, auditors, counsel or 
other professional advisors, affiliates, or the Administrative Agent or other 
Lenders, if the disclosing Person reasonably determines that such other Person 
is required to have access to such information) any information with respect to
the Borrower or any Subsidiary which is furnished pursuant to this Agreement or
any other Loan Document that is identified by such Person as being confidential
at the time the same is delivered to the Administrative Agent or the Lender;
provided that the Administrative Agent or Lender may disclose any such
information (a) as has become generally available to the public, (b) as may be
required or appropriate in any report, statement or testimony submitted to or 
in connection with any examination conducted by any Governmental Authority 
having or claiming to have jurisdiction over such Administrative Agent or 
Lender (including the Federal Reserve Board and the Federal Deposit Insurance
Corporation or any similar organization (whether in the United States or
elsewhere) and their respective successors), (c) as may be required or approp-
riate in response to any summons or subpoena or in connection with any 
litigation, (d) to comply with any Requirement of Law applicable to it, (e) in
connection with any litigation to which the Administrative Agent or any of the 
Lenders is a party or in connection with the enforcement of rights or remedies 
hereunder or under any Loan Document (f) to any prospective Transferee which is
not at the time the Administrative Agent or a Lender, if such prospective 
Transferee has agreed in writing to be bound by the provisions of this Section 
12.17 to the same extent as the disclosing Person or (g) Standard Credit 
References in conformity with the Code of Ethics for the Exchange of Commercial
Credit Information between Banks as established by the Robert Morris
Associates.  The Borrower acknowledges and agrees that the Administrative Agent
or any Lender may share with any of its affiliates any information related to
the Borrower or any Subsidiary (including, without limitation, nonpublic 
information regarding the creditworthiness of the Parent, the Parent, the 
Borrower or any Subsidiary), so long as such affiliate is subject to the 
provisions of this Section 12.17 to the same extent as the Administrative Agent
or such Lender. 

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

                                    NATIONSBANK, N.A.,
                                    as Administrative Agent and a Lender


                                    By /s/James W. Gaittens
                                      ---------------------- 
                                    Name:  James W. Gaittens
                                    Title: Vice President, Technology Group



                                    COMPUTER DATA SYSTEMS, INC.,
                                    as Borrower


                                    By /s/Peter A. Bracken
                                      --------------------
                                    Name:  Peter A. Bracken
                                    Title: Chief Executive Officer    







                            SUBSIDIARIES GUARANTEE
                            ----------------------

      SUBSIDIARIES GUARANTEE, dated as of June 13, 1997, made by each of the
corporations that are signatories hereto (the "Guarantors"), in favor of
NATIONSBANK, N.A., as administrative agent (in such capacity, the
"Administrative Agent"), for the Lenders as holders of the Secured Obligations
and as parties to the Credit Agreement described below.


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

      WHEREAS, Computer Data Systems, Inc. (the "Borrower") is a party to the
Credit Agreement, dated as of the date hereof (as amended, supplemented or
otherwise modified from time to time, the "Credit Agreement") among the
Borrower, the banks and other financial institutions from time to time parties
thereto (the "Lenders") and the Administrative Agent;

      WHEREAS, pursuant to the Credit Agreement, the Lenders have agreed to make
certain extensions of credit to the Borrower upon the terms and subject to the
conditions set forth therein;

      WHEREAS, the Borrower owns directly or indirectly all of the issued and
outstanding stock of each Guarantor;

      WHEREAS, it is a condition precedent to the obligation of the Lenders to
make their respective extensions of credit to the Borrower under the Credit
Agreement that the Guarantors shall have executed and delivered this Guarantee
to the Administrative Agent;

      NOW, THEREFORE, in consideration of the premises and to induce the
Administrative Agent and the Lenders to enter into the Credit Agreement and to
induce the Lenders to make their respective extensions of credit under the
Credit Agreement, the Borrower hereby agrees with the Administrative Agent, for
the benefit of the Lenders, as follows:

      1.    Defined Terms.  

            (a)   Unless otherwise defined herein, terms defined in the Credit
Agreement and used herein are so used as so defined and the following terms
shall have the following meanings:

                  "Bankruptcy Event of Default":  an Event of Default pursuant
            to Section 10(f) of the Credit Agreement.

                  "Guarantee" shall mean this Subsidiaries Guarantee, as
            amended, supplemented or otherwise modified from time to time.

                  "Secured Obligations" shall be the collective reference to 
            the unpaid principal of and interest on the Notes and all other
            obligations and liabilities (including, without limitation, 
            interest accruing at the then applicable rate provided in the 
            Credit Agreement after the maturity of the Loans and interest 
            accruing at the then applicable rate provided in the Credit 
            Agreement after the filing of any petition in bankruptcy, or the 
            commencement of any insolvency, reorganization or like proceeding, 
            relating to the Borrower, whether or not a claim for post-filing or
            post-petition interest is allowed in such proceeding), of the 
            Borrower to the Administrative Agent and the Lenders (including, 
            without limitation, any affiliate of a Lender with respect to any 
            Letter of Credit issued by such affiliate), whether direct or 
            indirect, absolute or contingent, due or to become due, or now 
            existing or hereafter incurred, which may arise under, out of, or 
            in connection with, the Credit Agreement, this Agreement, the 
            Notes, the other Loan Documents or any other document made, 
            delivered or given in connection therewith, in each case whether on
            account of principal, interest, reimbursement obligations, fees, 
            indemnities, costs, expenses or otherwise (including, without 
            limitation, all reasonable fees and disbursements of counsel to the
            Administrative Agent or to the Lenders that are required to be paid
            by the Borrower pursuant to the terms of the Credit Agreement, this
            Agreement or any other Loan
            Document);

                  "Termination Date":  the date on which the Commitments and the
            Credit Agreement have been terminated; the Letters of Credit for
            which there is an L/C Obligation have expired and the Secured
            Obligations have been irrevocably paid in full other than
            indemnification obligations not then due and payable, including,
            without limitation, in subsections 5.15, 5.16, 5.17,11.7 and 12.6 
            of the Credit Agreement.

            (b)   The words "hereof," "herein" and "hereunder" and words of
similar import when used in this Guarantee shall refer to this Guarantee as a
whole and not to any particular provision of this Guarantee, and section and
paragraph references are to this Guarantee unless otherwise specified.

            (c)   The meanings given to terms defined herein shall be equally
applicable to both the singular and plural forms of such terms.

      2.    Guarantee. 

            (a)   Subject to the provisions of paragraph 2(b) each of the
Guarantors hereby, jointly and severally, unconditionally and irrevocably,
guarantees to the Administrative Agent, for the benefit of the Lenders, and for
their respective successors, indorsees, transferees and assigns, the prompt and
complete payment and performance by the Borrower when due (whether at the 
stated maturity, by acceleration or otherwise) of the Secured Obligations.

            (b)   Anything herein or in any other Loan Document to the contrary
notwithstanding, the maximum liability of each Guarantor hereunder and under 
the other Loan Documents from time to time shall in no event exceed the amount
which can be guaranteed by such Guarantor under applicable federal and state
laws relating to fraudulent conveyances or transfers or the insolvency of 
debtors.

            (c)   Each Guarantor further agrees to pay any and all reasonable
expenses (including, without limitation, all reasonable fees and disbursements
of counsel) which may be paid or incurred by the Administrative Agent or any
Lender in enforcing, or obtaining advice of counsel in respect of, any rights
with respect to, or collecting, any or all of the Secured Obligations and/or
enforcing any rights with respect to, or collecting against, such Guarantor
under this Guarantee.  Without limiting the generality of the foregoing, each
Guarantor's liability shall extend to all amounts that constitute part of the
Secured Obligations and would be owed by the Borrower but for the fact that
they are unenforceable or not allowable due to the existence of a bankruptcy,
reorganization or similar proceeding involving such Borrower.  This Guarantee
shall remain in full force and effect until (and shall terminate on) the
Termination Date, notwithstanding that from time to time prior thereto the
Borrowers may be free from any Secured Obligations.  The provisions of the 
first and second sentences of this paragraph shall survive the termination of 
this Guarantee and the payment in full of the Secured Obligations and the 
termination of the Commitments.

         (d)   Each Guarantor agrees that the Secured Obligations may at any
time and from time to time exceed the amount of the liability of such Guarantor
hereunder without impairing this Guarantee or affecting the rights and remedies
of the Administrative Agent or any Lender.

         (e)   No payment or payments made by the Borrower, any of the
Guarantors, any other guarantor or any other Person or received or collected 
by the Administrative Agent or any Lender from the Borrower, any of the 
Guarantors, any other guarantor or any other Person by virtue of any action or 
proceeding or any set-off or appropriation or application at any time or from 
time to time in reduction of or in payment of the Secured Obligations shall be
deemed to modify, reduce, release or otherwise affect the liability of any 
Guarantor hereunder which shall, notwithstanding any such payment or payments 
other than payments made by such Guarantor in respect of the Secured 
Obligations or payments received or collected from such Guarantor in respect of
the Secured Obligations, remain liable for the Secured Obligations up to the
maximum liability of such Guarantor hereunder until the Secured Obligations are
paid in full and the Commitments are terminated.

         (f)   Each Guarantor agrees that whenever, at any time, or from time
to time, it shall make any payment to the Administrative Agent or any Lender on
account of its liability hereunder, it will notify the Administrative Agent in
writing that such payment is made under this Guarantee for such purpose;
provided that the failure to give such notice shall not affect the validity of
such payment.

      3.    Right of Contribution.  Each Guarantor hereby agrees that to the
extent that a Guarantor shall have paid more than its proportionate share of 
any payment made hereunder, such Guarantor shall be entitled to seek and 
receive contribution from and against any other Guarantor hereunder who has 
ot paid its proportionate share of such payment.  Each Guarantor's right of 
contribution shall be subject to the terms and conditions of Section 5 
hereof.  The provisions of this Section shall in no respect limit the 
obligations and liabilities of any Guarantor to the Administrative Agent and 
the Lenders andeach Guarantor shall remain liable to the Administrative Agent
and any Lender for the full amount guaranteed by such Guarantor hereunder.

      4.    Right of Set-off.  At any time when an Event of Default has 
occurred and is continuing each Guarantor hereby irrevocably authorizes each 
Lender at any time and from time to time without notice to such Guarantor or 
any other Guarantor, any such notice being expressly waived by each Guarantor,
to set-off and appropriate and apply any and all deposits (general or special,
time or demand, provisional or final), in any currency, and any other credits,
indebtedness or claims, in any currency, in each case whether direct or
indirect, absolute or contingent, matured or unmatured, at any time held or
owing by such Lender to or for the credit or the account of such Guarantor, or
any part thereof in such amounts as such Lender may elect, against and on
account of the obligations and liabilities of such Guarantor to such holder
hereunder and claims of every nature and description of such holder against 
such Guarantor, in any currency, whether arising hereunder, under the Credit
Agreement, or otherwise, as such Lender may elect, although such obligations,
liabilities and claims may be contingent or unmatured.  By its acceptance of 
the benefits of this Guarantee, each Lender shall be deemed to have agreed that
any amounts received by it pursuant to the exercise of any right of set-off 
shall be promptly delivered by such Lender to the Administrative Agent, for 
application to the Secured Obligations.  The Administrative Agent and each 
Lender shall notify such Guarantor promptly of any such set-off; provided that 
the failure to give such notice shall not affect the validity of such set-off 
and application. The rights of the Administrative Agent and each Lender under 
this Section are in addition to other rights and remedies (including, without 
limitations other rights of set-off) which the Administrative Agent or such 
Lender may have.

      5.    Subrogation.  The Guarantor shall be subrogated to all rights of 
the Lenders against the Borrower in respect of any amount paid by the Guarantor
pursuant to the providing of this Guarantee; provided, however, that
notwithstanding any payment or payments made by any of the Guarantors hereunder
or any set-off or application of funds of any of the Guarantors by the
Administrative Agent or any Lender, no Guarantor shall be entitled to be
subrogated to any of the rights of Administrative Agent or any such Lender
against the Borrower or any other Guarantor or any collateral security or
guarantee or right of offset held by the Administrative Agent or any Lender for
the payment of the Secured Obligations, nor shall any Guarantor seek or be
entitled to seek any contribution or reimbursement from the Borrower or any
other Guarantor in respect of payments made by such Guarantor hereunder, until
all amounts owing by the Borrower to the Administrative Agent and the Lenders 
on account of the Secured Obligations are paid in full and the Commitments
under (and as defined in) the Credit Agreement are terminated.  If any amount
shall be paid to any Guarantor on account of such subrogation rights at any 
time when all of the Secured Obligations shall not have been paid in full, such
amount shall be held by such Guarantor in trust for the Administrative Agent 
and the Lenders, segregated from other funds of such Guarantor, and shall, 
forthwith upon receipt by such Guarantor, be turned over to the 
Administrative Agent in the exact form received by such Guarantor (duly 
indorsed by such Guarantor to the Administrative Agent, if required), to be 
applied against the Secured Obligations, whether matured or unmatured.

      6.    Amendments, etc. with respect to the Secured Obligations; Waiver of
Rights.  Each Guarantor shall remain obligated hereunder notwithstanding that,
without any reservation of rights against any Guarantor and without notice to 
or further assent by any Guarantor, any demand for payment of any of the 
Secured Obligations made by the Administrative Agent or any Lender may be
rescinded by such party and any of the Secured Obligations continued, and
the Secured Obligations, or the liability of any other party upon or for 
any part thereof, or any collateral security or guarantee therefor or right 
of offset with respect thereto, may, from time to time, in whole or in part,
be renewed, extended, amended, modified, accelerated, compromised, waived,
surrendered or released by the Administrative Agent or any Lender, and the
agreements and instruments giving rise to the Secured Obligations and any 
other documents executed and delivered in connection therewith may be amended,
modified, supplemented or terminated, in whole or in part, as the requisite 
holders of the Secured Obligations, (as the case may be) may deem advisable 
from time to time, and any collateral security, guarantee or right of offset 
at any time held by the Administrative Agent or any Lender for the payment of
the Secured Obligations may be sold, exchanged, waived, surrendered or 
released.  Neither the Administrative Agent nor any Lender shall have any 
obligation to protect, secure, perfect or insure any Lien at any time held by 
it as security for theSecured Obligations or for this Guarantee or any 
property subject thereto.  When making any demand hereunder against any of 
the Guarantors, the Administrative Agent or any Lender may, but shall be 
under no obligation to, make a similar demand on the Borrower or any other 
Guarantor or guarantor, and any failure by the Administrative Agent or any 
Lender to make any such demand or to collect any payments from the Borrower 
or any such other Guarantor or guarantor or any release of the Borrower or 
such other Guarantor or guarantor shall not relieve any of the Guarantors
in respect of which a demand or collection is not made or any of the Guarantors
not so released of their several obligations or liabilities hereunder, and 
shall not impair or affect the rights and remedies, express or implied, or as 
a matter of law, of the Administrative Agent or any Lender against any of the
Guarantors.  For the purposes hereof "demand" shall include the commencement 
and continuance of any legal proceedings.

      7.    Guarantee Absolute and Unconditional.  Each Guarantor waives any
and all notice of the creation, renewal, extension or accrual of any of the 
Secured Obligations and notice of or proof of reliance by the Administrative 
Agent or any Lender upon this Guarantee or acceptance of this Guarantee; the
Secured Obligations, and any of them, shall conclusively be deemed to have been
created, contracted or incurred, or renewed, extended, amended or waived, in
reliance upon this Guarantee; and all dealings between the Borrower and any of
the Guarantors, on the one hand, and the Administrative Agent and the Lenders,
on the other hand, likewise shall be conclusively presumed to have been had or
consummated in reliance upon this Guarantee.  Each Guarantor waives diligence,
presentment, protest, demand for payment and notice of default or nonpayment to
or upon the Borrower or any of the Guarantors with respect to the Secured
Obligations.  Each Guarantor understands and agrees that this Guarantee shall 
be construed as a continuing, absolute and unconditional guarantee of payment
without regard to (a) the validity, regularity or enforceability of the Credit
Agreement, any other document, instrument or agreement relating to the Secured
Obligations, any of the Secured Obligations or any other collateral security
therefor or guarantee or right of offset with respect thereto at any time or
from time to time held by the Administrative Agent or any Lender, (b) any
defense, set-off or counterclaim (other than a defense of payment or
performance) which may at any time be available to or be asserted by the
Borrower against the Administrative Agent or any Lender, or (c) any other 
circumstance whatsoever (with or without notice to or knowledge of the Borrower
or such Guarantor) which constitutes, or might be construed to
constitute, an equitable or legal discharge of the Borrower for the Secured
Obligations, or of such Guarantor under this Guarantee, in bankruptcy or in any
other instance.  When pursuing its rights and remedies hereunder against any
Guarantor, the Administrative Agent and any Lender may, but shall be under no
obligation to, pursue such rights and remedies as it may have against the
Borrower or any other Person or against any collateral security or guarantee 
for the Secured Obligations or any right of offset with respect thereto, and 
any failure by the Administrative Agent or any Lender to pursue such other 
rights or remedies or to collect any payments from the Borrower or any such
other Person or to realize upon any such collateral security or guarantee or to
exercise any such right of offset, or any release of the Borrower or any such
other Person or any such collateral security, guarantee or right of offset,
shall not relieve such Guarantor of any liability hereunder, and shall not
impair or affect the rights and remedies, whether express, implied or 
available as a matter of law, of the Administrative Agent and any Lender 
against such Guarantor.  This Guarantee shall remain in full force and effect
and be binding in accordance with and to the extent of its terms upon each 
Guarantor and the successors and assigns thereof, and shall inure to the 
benefit of the Administrative Agent and any Lender, and their respective 
successors, indorsees, transferees and assigns, until all the Secured 
Obligations and the obligations of each Guarantor under this Guarantee shall
have been satisfied by payment in full and the Commitments shall be terminated,
notwithstanding that from time to time during the term of the Credit Agreement
the Borrower may be free from any Secured Obligations.

      8.    Reinstatement.  To the extent permitted by applicable Requirements
of Law, this Guarantee shall continue to be effective, or be reinstated, as the
case may be, if at any time payment, or any part thereof, of any of the Secured
Obligations is rescinded or must otherwise be restored or returned by the
Administrative Agent or any Lender upon the insolvency, bankruptcy,
dissolution, liquidation or reorganization of the Borrower or any Guarantor, or
upon or as a result of the appointment of a receiver, intervenor or conservator
of, or trustee or similar officer for, the Borrower or any Guarantor or any
substantial part of its property, or otherwise, all as though such payments had
not been made.

      9.    Payments.  Each Guarantor hereby guarantees that payments hereunder
will be paid to the Administrative Agent without set-off or counterclaim in 
U.S. Dollars at the office of Administrative Agent located at NationsBank, 
N.A., 8300 Greensboro Drive, Suite 550, McLean, VA 22102, Attention:  
James W. Gaittens.

      10.   Representations and Warranties.  Each Guarantor hereby represents
and warrants that:

            (a)    under the laws of the jurisdiction of its incorporation and
has the corporate power and authority and the legal right to own and operate 
its property, to lease the property it operates and to conduct the business in
which it is currently engaged;

            (b)   it has the corporate power and authority and the legal right
to execute and deliver, and to perform its obligations under, this Guarantee,
and has taken all necessary corporate action to authorize its execution,
delivery and performance of this Guarantee;

            (c)   this Guarantee constitutes a legal, valid and binding
obligation of such Guarantor enforceable in accordance with its terms, except 
as affected by bankruptcy, insolvency, fraudulent conveyance, reorganization,
moratorium and other similar laws relating to or affecting the enforcement of
creditors' rights generally, general equitable principles and an implied
covenant of good faith and fair dealing;

            (d)   the execution, delivery and performance of this Guarantee 
will not violate any provision of any Requirement of Law or Contractual 
Obligation of such Guarantor (except to the extent that any such violation
would not reasonably be expected to have a Material Adverse Effect) and will
not result in or require the creation or imposition of any Lien on any of the
properties or revenues of such Guarantor pursuant to any Requirement of Law or
Contractual Obligation of the Guarantor;

            (e)   no consent or authorization of, filing with, or other act by
or in respect of, any arbitrator or Governmental Authority and no consent of 
any other Person (including, without limitation, any stockholder or creditor of
such Guarantor) is required in connection with the execution, delivery,
performance, validity or enforceability of this Guarantee, other than any which
have been obtained or made prior to the date hereof and remain in full force 
and effect; and

            (f)   no litigation, investigation or proceeding of or before any
arbitrator or Governmental Authority is pending or, to the knowledge of such
Guarantor, threatened by or against such Guarantor or against any of its
properties or revenues with respect to this Guarantee or any of the 
transactions contemplated hereby.

      Each Guarantor agrees that the foregoing representations and warranties
shall be deemed to have been made by such Guarantor on the date of each
borrowing by the Borrower under the Credit Agreement on and as of such date of
borrowing as though made hereunder on and as of such date.

      11.   Authority of Administrative Agent.  Each Guarantor acknowledges 
that the rights and responsibilities of the Administrative Agent under this
Guarantee with respect to any action taken by the Administrative Agent or the
exercise or non-exercise by the Administrative Agent of any option, right, 
request, judgment, or other right or remedy provided for herein or resulting 
or arising out of this Guarantee, shall, as between the Administrative Agent 
and the Lenders, be governed by the Credit Agreement and by such other 
agreements with respect thereto as may exist from time to time among them, but,
as between the Administrative Agent and such Guarantor, the Administrative 
Agent shall be conclusively presumed to be acting as agent for the Lenders with
full and valid authority so to act or refrain from acting, and no Guarantor 
shall be under any obligation, or entitlement, to make any inquiry respecting 
such authority. 

      12.   Notices.  All notices, requests and demands to or upon the
Administrative Agent or any Guarantor to be effective shall be in writing
(including by facsimile transmission) and unless otherwise expressly provided
herein, shall be deemed to have been duly given or made (1) when delivered by
hand or (2) if given by mail, three days after being deposited in the mails,
postage prepaid, or (3) if by facsimile or similar electronic transfer, when
sent and receipt has been confirmed, addressed as follows:

            (a)   if to the Administrative Agent, at its address or 
transmission number for notices provided in the Credit Agreement; and 

            (b)   if to any Guarantor, at: c/o Computer Data Systems, Inc., One
Curie Court, Rockville, MD 20850-4389, Attention: Legal Department
The Administrative Agent and each Guarantor may change its address and
transmission numbers for notices by notice in the manner provided in this
Section.

      13.   Counterparts.  This Guarantee may be executed by one or more of the
Guarantors on any number of separate counterparts, and all of said counterparts
taken together shall be deemed to constitute one and the same instrument.  A 
set of the counterparts of this Guarantee signed by all the Guarantors shall be
lodged with the Administrative Agent.

      14.   Severability.  Any provision of this Guarantee which is prohibited
or unenforceable in any jurisdiction shall, as to such jurisdiction, be
ineffective to the extent of such prohibition or unenforceability without
invalidating the remaining provisions hereof, and any such prohibition or
unenforceability in any jurisdiction shall not invalidate or render
unenforceable such provision in any other jurisdiction.

      15.   Integration.  This Guarantee represents the agreement of each
Guarantor with respect to the subject matter hereof and there are no promises or
representations by the Administrative Agent or any Lender relative to the
subject matter hereof not reflected herein or in other Loan Documents.

      16.   Amendments in Writing; No Waiver; Cumulative Remedies.  

            (a)   None of the terms or provisions of this Guarantee may be
waived, amended, supplemented or otherwise modified except by a written
instrument executed by each Guarantor and the Administrative Agent, provided
that any provision of this Guarantee may be waived by the Administrative Agent
in a letter or agreement executed by the Administrative Agent or by facsimile
transmission from the Administrative Agent.

            (b)   Neither the Administrative Agent nor any Lender shall by any
act (except by a written instrument pursuant to paragraph 16(a) hereof), delay,
indulgence, omission or otherwise be deemed to have waived any right or remedy
hereunder or to have acquiesced in any Default or Event of Default or in any
breach of any of the terms and conditions hereof.  No failure to exercise, nor
any delay in exercising, on the part of the Administrative Agent or any Lender,
any right, power or privilege hereunder shall operate as a waiver thereof.  No
single or partial exercise of any right, power or privilege hereunder shall
preclude any other or further exercise thereof or the exercise of any other
right, power or privilege.  A waiver by the Administrative Agent or any Lender
of any right or remedy hereunder on any one occasion shall not be construed as a
bar to any right or remedy which the Administrative Agent or any Lender would
otherwise have on any future occasion.

            (c)   The rights and remedies herein provided are cumulative, may 
be exercised singly or concurrently and are not exclusive of any other rights 
or remedies provided by law.

      17.   Section Headings.  The section headings used in this Guarantee are
for convenience of reference only and are not to affect the construction hereof
or be taken into consideration in the interpretation hereof.

      18.   Successors and Assigns.  This Guarantee shall be binding upon the
successors and assigns of each Guarantor and shall inure to the benefit of the
Administrative Agent and the Lenders and their successors and assigns.

      19.   GOVERNING LAW.  THIS GUARANTEE SHALL BE GOVERNED BY, AND CONSTRUED
AND INTERPRETED IN ACCORDANCE WITH, THE LAW OF THE STATE OF MARYLAND.   

      20.   Termination.  This Agreement and obligations of the Administrative
Agent and the Borrower hererunder shall terminate on the Termination Date.


      IN WITNESS WHEREOF, each of the undersigned has caused this Guarantee to
be duly executed and delivered by its duly authorized officer as of the day and
year first above written.

                        CDSI INTERNATIONAL, INC., a Delaware                   
                          corporation

                        COMPUTER DATA SYSTEMS SALES, INC., a Maryland          
                          corporation


                        By: /s/Peter A. Bracken
                           ----------------------                               
                           Peter A. Bracken
                           President                                           

            
                        CDSI EDUCATION SERVICES, INC., a Maryland             
                          corporation


                        By: /s/Thomas A. Green
                           ----------------------                            
                           Thomas A. Green
                           President


                        CDSI SOLUTIONS, INC., a Maryland
                          corporation
 

                        By: /s/Robert L. Veschi
                           ----------------------                              
                           Robert L. Veschi
                           President


                        M/GA FIELDS ROAD LIMITED PARTNERSHIP,
                          Maryland Limited Liability Partnership


                        By: /s/Peter A. Bracken
                           ----------------------              
                           Peter A. Bracken, on behalf of
                           Computer Data Systems, Inc., General Partner





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