BALL CORP
SC 13D, 1995-03-27
METAL CANS
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                    SECURITIES AND EXCHANGE COMMISSION
                          Washington, D.C.  20549

                               SCHEDULE 13D

                 Under the Securities Exchange Act of 1934

                                Datum Inc.                           
                             (Name of Issuer) 

                               Common Stock                          
                      (Title of Class and Securities)

                                 23820810                            
                   (CUSIP Number of Class of Securities)

                             George A. Sissel
                              General Counsel
                             Ball Corporation
                           345 South High Street
                           Muncie, Indiana 47305                     
         (Name, Address and Telephone Number of Person Authorized
                  to Receive Notices and Communications)

                                March 17, 1995                       
                       (Date of Event which Requires
                         Filing of this Statement)

        If the filing person has previously filed a statement on
        Schedule 13G to report the acquisition which is the
        subject of this Statement because of Rule 13d-1(b)(3) or
        (4), check the following:               ( )
                                                  
        Check the following box if a fee is being paid with this
        Statement:                               (x)


                               SCHEDULE 13D

   CUSIP No. 23820810
   _________________________________________________________________
   (1)  NAMES OF REPORTING PERSONS
        S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

        Ball Corporation
         35-0160610
   ________________________________________________________________
   (2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: 
                                                         (a)  ( )
                                                         (b)  ( )
   _________________________________________________________________
   (3)  SEC USE ONLY

   _________________________________________________________________
   (4)  SOURCE OF FUNDS*
        OO
   _________________________________________________________________
   (5)  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEMS 2(d) or 2(e) ( )

   __________________________________________________________________
   (6)  CITIZENSHIP OR PLACE OF ORGANIZATION
        Indiana
   _________________________________________________________________
                                   (7)  SOLE VOTING POWER
         NUMBER OF                       1,277,778*
          SHARES                 ___________________________________
       BENEFICIALLY                (8)  SHARED VOTING POWER
         OWNED BY                       
           EACH                  ___________________________________ 
         REPORTING                 (9)  SOLE DISPOSITIVE POWER
          PERSON                         1,277,778*
           WITH                  ___________________________________
                                   (10) SHARED DISPOSITIVE POWER
                                        
   _________________________________________________________________
   (11) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
        1,277,778*
   _________________________________________________________________
   (12) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN
        SHARES*                                      (  )
        
   _________________________________________________________________
   (13) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11
        Approximately 32.3% of the shares outstanding as of March
        17, 1995
   _________________________________________________________________
   (14) TYPE OF REPORTING PERSON*
        CO


                               SCHEDULE 13D

   CUSIP No. 23820810
   _________________________________________________________________
   (1)  NAMES OF REPORTING PERSONS
        S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

        Efratom Holding, Inc.
         31-1421208
   ________________________________________________________________
   (2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: 
                                                         (a)  ( )
                                                         (b)  ( )
   _________________________________________________________________
   (3)  SEC USE ONLY

   _________________________________________________________________
   (4)  SOURCE OF FUNDS*
        OO
   _________________________________________________________________
   (5)  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
        PURSUANT TO ITEMS 2(d) or 2(e) ( )

   __________________________________________________________________
   (6)  CITIZENSHIP OR PLACE OF ORGANIZATION
        Indiana
   _________________________________________________________________
                                   (7)  SOLE VOTING POWER
         NUMBER OF                       1,277,778*
          SHARES                 ___________________________________
       BENEFICIALLY                (8)  SHARED VOTING POWER
         OWNED BY                       
           EACH                  ___________________________________ 
         REPORTING                 (9)  SOLE DISPOSITIVE POWER
          PERSON                         1,277,778*
           WITH                  ___________________________________
                                   (10) SHARED DISPOSITIVE POWER
                                        
   _________________________________________________________________
   (11) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
        1,277,778*
   _________________________________________________________________
   (12) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN
        SHARES*                                      (  )
        
   _________________________________________________________________
   (13) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11
        Approximately 32.3% of the shares outstanding as of March
        17, 1995
   _________________________________________________________________
   (14) TYPE OF REPORTING PERSON*
        CO

   *    On March 17, 1995, Datum Inc. (the "Issuer"), a Delaware corporation,
   delivered 1,277,778 newly issued shares (the "Shares") of common stock,
   par value $.25 per share, of the Issuer to Efratom Holding, Inc.
   ("Holding"), a Colorado corporation and a wholly owned subsidiary of Ball
   Corporation ("Parent"), an Indiana corporation.  As of such date, Parent
   and Holding may be deemed to beneficially own the Shares, as indicated in
   Rows 11 and 13 of each of the tables above, for purposes of Rule 13d-3
   under the Securities and Exchange Act of 1934, as amended. 


          Item 1.   Security and Issuer

               This Statement relates to the common stock, par
          value $.25 per share (the "Common Stock"), of Datum Inc.,
          a Delaware corporation (the "Issuer"), which has its
          principal executive offices at 1363 South State College
          Blvd., Anaheim, California 92806.

               Pursuant to the Stock Purchase Agreement, dated as
          of October 20, 1994 (the "Stock Purchase Agreement"), by
          and among Ball Corporation, an Indiana corporation ("Par-
          ent"), Efratom Holding, Inc., a Colorado corporation and
          a wholly owned subsidiary of Parent ("Holding"), and the
          Issuer, as part of the consideration for the sale by
          Holding to the Issuer of Efratom Time and Frequency
          Products, Inc., a Colorado corporation, and Ball Efratom
          Elektronik GmbH, a limited liability company organized
          under the laws of the Republic of Germany (collectively,
          the "Holding Subsidiaries"), the Issuer delivered to
          Holding 1,277,778 newly issued shares of Common Stock. 
          See Item 3 below for more information concerning the
          Stock Purchase Agreement.

          Item 2.   Identity and Background

               This Statement is being filed by Parent and Holding,
          which have their principal executive offices at 345 South
          High Street, Muncie, Indiana 47305 and 10 Longs Peak
          Drive, Broomfield, Colorado 80038, respectively.

               Holding is a holding company and a wholly owned
          subsidiary of Ball.

               Ball manufactures metal and glass containers for the
          food and beverage industries and provides aerospace
          systems and professional services to government and
          commercial customers.

               Information relating to the directors and executive
          officers of Parent and Holding is contained in Appendix A
          attached hereto and is incorporated herein by reference.

               Neither Parent nor Holding, nor, to the best of
          Parent's and Holding's knowledge, any of the persons
          listed in Appendix A, has, during the past five years,
          been convicted in a criminal proceeding (excluding traf-
          fic violations and similar misdemeanors).  Neither Parent
          nor Holding, nor, to the best of Parent's and Holding's
          knowledge, any of the persons listed in Appendix A, has,
          during the past five years, been a party to a civil
          proceeding of a judicial or administrative body of compe-
          tent jurisdiction and as a result of such proceeding was
          or is subject to a judgement, decree or final order
          enjoining future violations of, or prohibiting or mandat-
          ing activities subject to, federal or state securities
          laws or finding any violation with respect to such laws.

          Item 3.   Source and Amount of Funds or Other Consider-
                    ation

               Pursuant to the Stock Purchase Agreement, the Issuer
          agreed to purchase from Holding all of the outstanding
          shares of common stock of the Holding Subsidiaries for an
          aggregate consideration, subject to adjustment, of (i)
          $15 million in cash, and (ii) the number of shares (the
          "Shares") of the Issuer's Common Stock which equals $11.5
          million divided by the average per share closing sale
          price (the "Average Closing Price") as reported on the
          Nasdaq National Market System for the ten consecutive
          trading days ending on the trading day immediately prior
          to the date of the special meeting of the Issuer's stock-
          holders (the "Special Meeting") for the purpose of ap-
          proving the Stock Purchase Agreement and the transactions
          contemplated thereby; provided however, that in no event
          would such Average Closing Price be less than $7.00 nor
          greater than $9.00.  The Special Meeting occurred on
          March 16, 1995 and the Average Closing Price was $9.00. 
          The number of Shares that were delivered to Holding by
          the Issuer at the closing of the transactions contemplat-
          ed by the Stock Purchase Agreement (the "Closing") on
          March 17, 1995 was 1,277,778 (representing approximately
          32.3% of the shares of Common Stock outstanding immedi-
          ately after the issuance of such shares to Holding). 

               Reference is made to the Stock Purchase Agreement, a
          copy of which is included as Exhibit 1 to this Statement
          and which is incorporated by reference herein.

          Item 4.   Purpose of the Transaction

               Holding is acquiring beneficial ownership of the
          Issuer's Common Stock for investment purposes.  Subject
          to, among other things, its obligations under the
          Stockholder's Agreement described below, Holding may from
          time to time seek to increase, reduce or dispose of its
          investment in the Common Stock in the open market, in
          privately negotiated transactions or otherwise, in which
          event such transactions might be through or together with
          entities affiliated with Parent or Holding.  The determi-
          nation to effect any such transaction will depend, among
          other things, upon the market price of the Common Stock,
          availability of funds, borrowing costs, market condi-
          tions, developments affecting the Issuer, Parent and
          Holding, other opportunities available to Parent and
          Holding and other considerations.  Holding intends, from
          time to time, to review its investment in the Issuer and
          to take such action with respect to the Issuer as it
          considers desirable in light of the circumstances then
          prevailing.

               The Shares are subject to a Stockholder's Agreement
          (the "Stockholder's Agreement") entered into by Holding
          and the Issuer prior to the Closing.  Reference is made
          to the Stockholder's Agreement, a copy of which is in-
          cluded as Exhibit 2 to this Statement and which is incor-
          porated by reference herein.

               The Stockholder's Agreement requires the Company to
          amend its bylaws to increase the size of its Board of
          Directors to eight directors and to appoint two persons
          named by Holding, and, at the option of Holding, to
          appoint a third person designated by Holding at any time
          after the initial appointments (the "Stockholder's
          Designees"), to the Company's Board of Directors (allo-
          cated equally among the three classes of the Company's
          Board of Directors).  The number of Stockholder's
          Designees shall be adjusted upon any change in the autho-
          rized number of directors or changes in the outstanding
          Voting Securities (as defined below) of the Company to
          correspond to the percentage of such outstanding Voting
          Securities represented by the Shares (subject to adjust-
          ment for stock splits, stock dividends and other
          recapitalizations).  The Stockholder's Agreement provides
          that the Company will nominate the Stockholder's
          Designees for re-election as such persons' terms expire
          and will use its best efforts to cause the Stockholder's
          Designees to be elected as directors.  Holding has ini-
          tially appointed R. David Hoover and Donovan B. Hicks to
          serve as its designees on the Board of Directors of the
          Company and reserves the right to appoint one additional
          director.

               Pursuant to the Stockholder's Agreement, neither
          Holding nor any affiliate of Holding (collectively, the
          "Stockholder Group"), will, directly or indirectly,
          acquire shares of any class of the Company's capital
          stock which is entitled to vote generally in the election
          of directors ("Voting Securities").  The foregoing re-
          striction will not apply (i) in connection with the
          consummation of the transactions contemplated by the
          Stock Purchase Agreement, (ii) to stock dividends stock
          splits or other like distributions made with respect to
          the Shares held by Holding, (iii) during the pendency
          pursuant to Section 14(d) of the Securities Exchange Act
          of 1934 (the "Exchange Act") of a bona fide, fully fi-
          nanced tender offer by any person (other than the Company
          or its affiliates or any employee benefit plan of the
          Company), if upon the consummation of such tender offer
          such person would beneficially own more than 30% of the
          Company's Voting Securities, (iv) in the event that any
          person (other than Holding or its affiliates, the Company
          or any employee benefit plan of the Company) becomes a
          beneficial owner of more than 30% of the Company's then
          outstanding Voting Securities or proposes to become such
          a beneficial owner and such proposal is approved by or
          recommended by a majority of the Board of Directors
          (excluding the Stockholder's Designees) of the Company,
          (v) in the event that the Company has entered into a
          definitive merger agreement or a definitive agreement for
          the sale of all or substantially all of its assets, or
          (vi) to any transaction with the prior approval of a
          majority of the Board of Directors (excluding the
          Stockholder's Designees).  In addition, if any action by
          the Company causes the ownership of Voting Securities by
          Holding to be less than the percentage ownership of the
          outstanding Voting Securities immediately prior to such
          action, the foregoing restriction will not apply to any
          acquisitions of Voting Securities by Holding to the
          extent necessary for Holding to maintain its percentage
          ownership of Voting Securities at the level it had imme-
          diately prior to such action.

               The Stockholder's Agreement prohibits any member of
          the Stockholder Group from soliciting proxies or becoming
          a "participant" in a "solicitation" (as such terms are
          defined in Regulation 14A under the Exchange Act), or
          entering into any agreement with any person for the
          purpose of voting any Voting Securities, in either case
          in opposition to the recommendation of the majority of
          the directors of the Company with respect to any election
          of directors of the Company; provided that Holding may
          vote any shares held by it in opposition to the recommen-
          dation of the majority of the directors of the Company on
          any matter, including the election of directors.

               Subject to certain limitations, with respect to any
          Shares that are deemed "Restricted Securities" under the
          Securities Act of 1933 (the "Act") (the "Registrable
          Securities"), Holding, and/or any transferee of Holding,
          who own, in the aggregate, in excess of 250,000 shares of
          Registrable Securities may make a written request to the
          Company for registration with the Securities and Exchange
          Commission (the "Commission"), under and in accordance
          with the provisions of the Act, of no less than 250,000
          Registrable Securities (a "Demand Registration").  The
          Company will serve written notice (the "Notice") of such
          registration request to all holders of Registrable Secu-
          rities issued by the Company, and subject to such request
          the Company will include in such registration all Regis-
          trable Securities with respect to which the Company has
          received written requests for inclusion therein.  The
          holders of Registrable Securities shall be entitled to
          three Demand Registrations, but no more than one in any
          four-month period, the expenses of which, except with
          respect to applicable underwriting discounts and commis-
          sions, will generally be borne by the Company.  

               In addition, subject to certain limitations, if the
          Company proposes to file a registration statement under
          the Act with respect to an offering for its own account
          or for the account of others of any class of equity
          security, the Company will in each case give written
          notice of such proposed filing to holders of Registrable
          Securities, at least twenty days before the anticipated
          filing date and offer such holders the opportunity to
          register such Registrable Securities in such offering, in
          accordance with the terms of such offering.

               Pursuant to the Stockholder's Agreement, so long as
          Holding owns Shares constituting more than 15% of the
          outstanding Voting Securities of the Company, the Company
          will not, without the consent of Holding, adopt a Share-
          holder Rights Plan which would result in the issuance or
          separation and exercisability of rights upon the transfer
          of Shares by Holding or any similar arrangement which
          would interfere with the sale of Holding's shares.  

               Other than as described above, Parent and Holding
          have no plans or proposals which relate to or would
          result in: (a) the acquisition by any person of addition-
          al securities of the Issuer, or the disposition of secu-
          rities of the Issuer; (b) an extraordinary corporate
          transaction, such as a merger, reorganization or liquida-
          tion, involving the Issuer or any of its subsidiaries;
          (c) a sale or transfer of a material amount of assets of
          the Issuer or any of its subsidiaries; (d) any change in
          the present board of directors or management of the
          Issuer, including any plans or proposals to change the
          number or term of directors or to fill any existing
          vacancies on the board; (e) any material change in the
          present capitalization or dividend policy of the Issuer;
          (f) any other material change in the Issuer's business or
          corporate structure; (g) changes in the Issuer's charter,
          bylaws or instruments corresponding thereto or any other
          actions which may impede the acquisition of control of
          the Issuer by any person; (h) a class of securities of
          the Issuer to be delisted from a national securities
          exchange or to cease to be authorized to be quoted in an
          inter-dealer quotation system of a registered national
          securities association; (i) a class of equity securities
          of the Issuer becoming eligible for termination of regis-
          tration pursuant to Section 12(g)(4) of the Securities
          Exchange Act of 1934; or (j) any action similar to any of
          those enumerated above.

          Item 5.   Interest in Securities of the Issuer

               (a),(b)   At the Closing, the Issuer delivered to
          Holding the Shares.  As a result, as of the date of this
          Statement, Parent and Holding may be deemed to benefi-
          cially own 1,277,778 shares of Common Stock for purposes
          of Rule 13d-3 under the Securities and Exchange Act of
          1934, as amended.

               Except as described in paragraph (c) below, to the
          best of Parent's and Holding's knowledge, none of the
          directors or officers of Parent or Holding beneficially
          owns any shares of Common Stock.

               (c)  The only transaction effected by Parent and
          Holding with respect to the Common Stock is the consumma-
          tion of the transactions contemplated by the Stock Pur-
          chase Agreement and Stockholder's Agreement.

               On February 22, 1995, Albert R. Schlesinger, Vice
          President and Controller of Parent, purchased 750 shares
          of Common Stock on the open market through a broker at a
          price per share of $10.50.

               To the best of Parent's and Holding's knowledge,
          none of the directors or executive officers of Parent or
          Holding have engaged in any other transactions with
          respect to the Common Stock during the past 60 days.

               (d)  None.

               (e)  Not applicable.

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

               Except as described in Items 3 and 4 above, there
          are no contracts, arrangements, understandings or rela-
          tionships (legal or otherwise) among the persons named in
          Item 2 and between such persons and any person with
          respect to any securities of the Issuer.

          Item 7.   Material to be Filed as Exhibits

               1.   Stock Purchase Agreement, dated as of October
                    20, 1994, by and among Ball Corporation,
                    Efratom Holding, Inc. and Datum Inc., as amend-
                    ed (conformed copy).

               2.   Stockholder's Agreement, dated as of March 17,
                    1995, by and between Efratom Holding, Inc. and
                    Datum Inc. (conformed copy).



                                  SIGNATURE

               After reasonable inquiry and to the best of its
          knowledge and belief, the undersigned certifies that the
          information set forth in this Statement is true, complete
          and correct.

          Dated: March 27, 1995

                                        BALL CORPORATION

                                        By:  /s/ GEORGE A. SISSEL  
                                           George A. Sissel
                                           Acting President and 
                                           Chief Executive Officer

                                        EFRATOM HOLDING, INC.

                                        By:  /S/ DONOVAN B. HICKS  
                                           Donovan B. Hicks
                                           President


                                  APPENDIX A

               The following tables set forth the name, residence
          or business address and present principal occupation or
          employment of each director and executive officer of Ball
          Corporation and Efratom Holding, Inc.  Each such person
          is a citizen of the United States of America.

          A.   Directors and Executive Officers of Ball Corporation

       Reporting Person      Address                Principal Occupation

       DIRECTORS:

       Delbert C. Staley     345 South High Street  Chairman of the Board,
                             Muncie, Indiana 47305  Alcatel Network Systems,
                                                    Dallas, Texas

       John F. Lehman        345 South High Street  Chairman of the Board,
                             Muncie, Indiana 47305  Sperry Marine Inc., Char-
                                                    lottesville, Virginia;
                                                    Chairman, J.F. Lehman &
                                                    Company, New York, New
                                                    York

       George A. Sissel      345 South High Street  Acting President and Chief
                             Muncie, Indiana 47305  Executive Officer and Se-
                                                    nior Vice President, Cor-
                                                    porate Affairs; Corporate
                                                    Secretary and General
                                                    Counsel, Ball Corporation

       Alvin Owsley          345 South High Street  Chairman of the Board
                             Muncie, Indiana 47305

       W. Thomas Stephens    345 South High Street  Chairman, President and
                             Muncie, Indiana 47305  Chief Executive Officer,
                                                    Manville Corporation, Den-
                                                    ver, Colorado

       William P. Stiritz    345 South High Street  Chairman, President and
                             Muncie, Indiana 47305  Chief Executive Officer,
                                                    Ralston Purina Company,
                                                    St. Louis, Missouri

       Howard M. Dean        345 South High Street  Chairman of the Board and
                             Muncie, Indiana 47305  Chief Executive Officer,
                                                    Dean Foods Company, Frank-
                                                    lin Park, Illinois

       John T. Hackett       345 South High Street  Managing General Partner,
                             Muncie, Indiana 47305  CID Equity Partners, Indi-
                                                    anapolis, Indiana

       Jan Nicholson         345 South High Street  Managing Director of Capi-
                             Muncie, Indiana 47305  tal Markets Assurance Cor-
                                                    poration (CapMAC), New
                                                    York, New York
       CORPORATE OFFICERS:

       Richard E. Durbin     345 South High Street  Vice President, Informa-
                             Muncie, Indiana 47305  tion Services

       Duane E. Emerson      345 South High Street  Senior Vice President,
                             Muncie, Indiana 47305  Administration

       John A. Haas          345 South High Street  Group Vice President
                             Muncie, Indiana 47305  (President and CEO, Ball
                                                    Glass Container Corpora-
                                                    tion)

       Donovan B. Hicks      345 South High Street  Group Vice President
                             Muncie, Indiana 47305  (President, Aerospace and
                                                    Communications Group)

       R. David Hoover       345 South High Street  Senior Vice President and
                             Muncie, Indiana 47305  Chief Financial Officer

       Donald C. Lewis       345 South High Street  Assistant Corporate Secre-
                             Muncie, Indiana 47305  tary and Associate General
                                                    Counsel
       William A. Lincoln    345 South High Street  Executive Vice President,
                             Muncie, Indiana 47305  Metal Container Operations

       Elizabeth A.          345 South High Street  Assistant Corporate Secre-
       Overmyer              Muncie, Indiana 47305  tary

       Albert R.             345 South High Street  Vice President and Con-
       Schlesinger           Muncie, Indiana 47305  troller

       Raymond J. Seabrook   345 South High Street  Vice President and Trea-
                             Muncie, Indiana 47305  surer

       David B. Sheldon      345 South High Street  Group Vice President
                             Muncie, Indiana 47305  (President, Metal Beverage
                                                    Container Group)

       Harold L. Sohn        345 South High Street  Vice President, Corporate
                             Muncie, Indiana 47305  Relations

       David A. Westerlund   345 South High Street  Vice President, Human Re-
                             Muncie, Indiana 47305  sources

          B.   Directors and Executive Officers of Efratom Holding, Inc.

       Donovan B. Hicks     10 Longs Peak Drive         President and
                            Broomfield, Colorado 80038  Director

       Donald C. Lewis      10 Longs Peak Drive         Vice President
                            Broomfield, Colorado 80038  and Assistant
                                                        Secretary and
                                                        Director

       Hillary E. Johnson   10 Longs Peak Drive         Secretary and
                            Broomfield, Colorado 80038  Director

       J. Patrick           10 Longs Peak Drive         Vice President
       Dummigan             Broomfield, Colorado 80038

       Eugene P. Morgan     10 Longs Peak Drive         Vice President
                            Broomfield, Colorado 80038  and Treasurer




                                                       [CONFORMED COPY]

                           STOCK PURCHASE AGREEMENT

                                    Among

                            EFRATOM HOLDING, INC.,

                               BALL CORPORATION

                                     and

                                  DATUM INC.

                                 dated as of

                               October 20, 1994


                              TABLE OF CONTENTS

          ARTICLE I      PURCHASE AND SALE OF STOCK . . . . . .    2
                         1.1  Transfer of Stock . . . . . . . .    2
                         1.2  Consideration . . . . . . . . . .    2
                         1.3  Adjustment with Respect to Purchaser
                               Shares  . . . . . . . . . . . .     2
                         1.4  Purchase Price Adjustment . . . .    3
                         1.5  The Closing . . . . . . . . . . .    5
                         1.6  Further Assurances  . . . . . . .    7

          ARTICLE II     REPRESENTATIONS AND WARRANTIES OF
                         SELLER . . . . . . . . . . . . . . . .    7
                         2.1  Corporate Organization  . . . . .    8
                         2.2  Capital Stock . . . . . . . . . .    8
                         2.3  Ownership of Stock  . . . . . . .    8
                         2.4  Authorization, Etc. . . . . . . .    8
                         2.5  Financial Statements  . . . . . .    9
                         2.6  No Approvals or Conflicts . . . .   10
                         2.7  Compliance with Law; Governmental
                               Authorizations . . . . . . . . .   11
                         2.8  Litigation  . . . . . . . . . . .   11
                         2.9  Title to Assets . . . . . . . . .   11
                         2.10 Absence of Certain Changes . . .    12
                         2.11 Taxes  . . . . . . . . . . . . .    13
                         2.12 Employee Benefits  . . . . . . .    14
                         2.13 Labor Relations  . . . . . . . .    15
                         2.14 Patents, Trademarks, Trade Names,
                               Etc.  . . . . . . . . . . . . .    16
                         2.15 Contracts  . . . . . . . . . . .    17
                         2.16 Environmental Matters  . . . . .    17
                         2.17 Insurance  . . . . . . . . . . .    17
                         2.18 Real Property  . . . . . . . . . .  18
                         2.19 Proxy Statement  . . . . . . . . .  18
                         2.20 Investment Intent  . . . . . . .    18
                         2.21 No Brokers' or Other Fees  . . .    19

          ARTICLE III    REPRESENTATIONS AND WARRANTIES OF
                         PURCHASER  . . . . . . . . . . . . . .   19
                         3.1  Organization  . . . . . . . . . .   19
                         3.2  Capital Stock . . . . . . . . . .   19
                         3.3  Authorization, Etc. . . . . . . .   20
                         3.4  No Approvals or Conflicts . . . .   20
                         3.5  Purchaser SEC Reports; Financial
                               Statements  . . . . . . . . . . .  21
                         3.6  Compliance with Law; Governmental
                               Authorizations . . . . . . . . .   22
                         3.7  Litigation  . . . . . . . . . . .   22
                         3.8  Title to Assets . . . . . . . . .   22
                         3.9  Absence of Certain Changes  . . .   23
                         3.10  Taxes  . . . . . . . . . . . . .   24
                         3.11  Employee Benefits  . . . . . . .   24
                         3.12  Labor Relations  . . . . . . . .   25
                         3.13  Patents, Trademarks, Trade Names,
                                Etc.  . . . . . . . . . . . . .   26
                         3.14  Contracts  . . . . . . . . . . .   26
                         3.15  Environmental Matters  . . . . .   27
                         3.16  Insurance  . . . . . . . . . . .   27
                         3.17  Acquisition for Investment . . .   27
                         3.18  Financing  . . . . . . . . . . .   27
                         3.19  Stock Issuable to Parent or Seller 28
                         3.20  Proxy Statement  . . . . . . . .   28
                         3.21  Officer and Director Shares  . . . 28
                         3.22  No Brokers' or Other Fees  . . .   29

          ARTICLE IV     CONDITIONS TO SELLER'S OBLIGATIONS . .   29
                         4.1  Representations and Warranties  .   29
                         4.2  Performance . . . . . . . . . . .   29
                         4.3  Officer's Certificate . . . . . .   29
                         4.4  No Changes  . . . . . . . . . . .   29
                         4.5  Other Agreements  . . . . . . . .   29
                         4.6  HSR Act . . . . . . . . . . . . .   30
                         4.7  Injunctions . . . . . . . . . . .   30
                         4.8  Nasdaq  . . . . . . . . . . . . .   30
                         4.9  Stockholder Approval  . . . . . .   30
                         4.10  Consents . . . . . . . . . . . .   30

          ARTICLE V      CONDITIONS TO PURCHASER'S OBLIGATIONS    30
                         5.1  Representations and Warranties  .   31
                         5.2  Performance . . . . . . . . . . .   31
                         5.3  Officer's Certificate . . . . . .   31
                         5.4  Other Agreements  . . . . . . . .   31
                         5.5  No Changes  . . . . . . . . . . .   31
                         5.6  Resignation of Directors  . . . .   31
                         5.7  HSR Act . . . . . . . . . . . . .   31
                         5.8  Injunctions . . . . . . . . . . .   31
                         5.9  Stockholder Approval  . . . . . .   32
                         5.10  Consents . . . . . . . . . . . .   32
                         5.11  Financing  . . . . . . . . . . . . 32
                         5.12  Actual or Threatened Litigation  . 32

          ARTICLE VI     COVENANTS AND AGREEMENTS . . . . . . .   32
                         6.1  Conduct of Business . . . . . . .   32
                         6.2  Transactions Regarding Purchaser
                               Common Stock . . . . . . . . . .   34
                         6.3  Delivery of Periodic Reports  . .   35
                         6.4  Access to Books and Records . . .   35
                         6.5  Filings and Consents  . . . . . .   35
                         6.6  Tax Matters . . . . . . . . . . .   36
                         6.7  WARN Act  . . . . . . . . . . . .   39
                         6.8  Supplements to Disclosure Schedule  40
                         6.9  Intercompany Indebtedness . . . .   40
                         6.10  Covenant to Satisfy Conditions .   41
                         6.11  Continuation of Employee Welfare and
                                 Retirement Benefits  . . . . .   41
                         6.12  Indemnity for Employee Covenants   42
                         6.13  Use of "Ball" Name . . . . . . .   42
                         6.14  Nasdaq . . . . . . . . . . . . .   42
                         6.15  Proxy Statement; Stockholder
                                Approval; Financial Statements . .42
                         6.16  Consents to Assignment and Release
                                of Certain Obligation . . . . . . 43
                         6.17  Assignments and Novations of
                               Government Contracts . . . . . . . 44
                         6.18  Exclusivity. . . . . . . . . . . . 45

          ARTICLE VII    TERMINATION  . . . . . . . . . . . . .   45
                         7.1  Termination . . . . . . . . . . .   45
                         7.2  Procedure and Effect of Termination 46

          ARTICLE VIII   INDEMNIFICATION  . . . . . . . . . . .   47
                         8.1  Indemnification . . . . . . . . .   47

          ARTICLE IX     MISCELLANEOUS  . . . . . . . . . . . .   50
                         9.1  Fees and Expenses . . . . . . . .   50
                         9.2  Governing Law . . . . . . . . . .   51
                         9.3  Amendment . . . . . . . . . . . .   51
                         9.4  No Assignment . . . . . . . . . .   51
                         9.5  Waiver  . . . . . . . . . . . . .   51
                         9.6  Notices . . . . . . . . . . . . .   51
                         9.7  Complete Agreement  . . . . . . .   53
                         9.8  Counterparts  . . . . . . . . . .   53
                         9.9  Publicity . . . . . . . . . . . .   53
                         9.10  Headings . . . . . . . . . . . .   53
                         9.11  Knowledge  . . . . . . . . . . .   53
                         9.12  Severability . . . . . . . . . .   53
                         9.13  Third Parties  . . . . . . . . .   54


                           STOCK PURCHASE AGREEMENT

                    This Stock Purchase Agreement (this
          "Agreement"), dated as of October 20, 1994, is entered
          into by and among Ball Corporation, an Indiana corporation
          ("Parent"), Efratom Holding, Inc., a Colorado corporation
          and wholly owned subsidiary of Parent ("Seller"), and
          Datum Inc., a Delaware corporation ("Purchaser").

                    WHEREAS, Parent is the owner of (i) all of the
          outstanding shares of common stock, no par value per share
          (the "Company Shares"), of Efratom Time and Frequency
          Products, Inc., a Colorado corporation (the "Company") and
          (ii) all of the outstanding shares of common stock (other
          than as set forth in Section 2.2 of the Disclosure
          Schedule (as defined herein) (the "Efratom Germany
          Shares") of Ball Efratom Elektronik GmbH, a corporation
          organized under the laws of the Republic of Germany
          ("Efratom Germany") (the Company Shares and Efratom
          Germany Shares being collectively referred to herein as
          the "Shares"); and

                    WHEREAS, prior to the Closing (as defined
          herein), Parent intends to transfer the assets,
          liabilities and business of the Ball Efratom business unit
          of the Ball Aerospace and Communications Group other than
          the Efratom Germany Shares to the Company pursuant to an
          Assignment and Assumption Agreement between Parent and the
          Company (the "Assignment and Assumption Agreement") (such
          business unit, including Efratom Germany, is referred to
          herein as the "Efratom Business Unit" and the business of
          the Efratom Business Unit is referred to herein as the
          "Business"); and

                    WHEREAS, after such transfer and prior to the
          Closing, Parent intends to transfer all of the Shares to
          Seller; and

                    WHEREAS, Purchaser desires to purchase and
          Seller desires to sell the Shares upon the terms and
          conditions set forth herein.

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

                                   ARTICLE I

                          PURCHASE AND SALE OF STOCK

                    1.1  Transfer of Stock.  On the Closing Date (as
          defined in Section 1.5) and subject to the terms and
          conditions set forth in this Agreement, Seller will sell,
          assign, transfer and deliver to Purchaser the Shares, free
          and clear of all options, pledges, security interests,
          voting trust or similar arrangements, liens, charges or
          other encumbrances or restrictions on voting or transfer
          ("Encumbrances"), other than the restrictions imposed by
          Federal and state securities laws.

                    1.2  Consideration.  On the Closing Date and
          subject to the terms and conditions set forth in this
          Agreement, in reliance on the representations, warranties,
          covenants and agreements of the parties contained herein
          and in consideration of the sale, assignment, transfer and
          delivery of the Shares, Purchaser will (a) pay to Seller
          $15 million in cash by wire transfer of immediately
          available funds to an account designated by Seller and (b)
          deliver to Seller certificates representing the number of
          shares (rounded up to the next whole share) (the
          "Purchaser Shares") of common stock, par value $.25 per
          share, of Purchaser (the "Common Stock") determined as set
          forth below and registered in the name of Seller or its
          designee.  The number of Purchaser Shares shall be that
          number which equals $11.5 million divided by the average
          of the per share closing sale price as reported on the
          Nasdaq National Market System for the ten consecutive
          trading days ending on the trading day immediately prior
          to the date of the Stockholders Action (as defined in
          Section 6.15) (the "Average Closing Price"); provided,
          however, that if such Average Closing Price is less than
          $ 7.00, such divisor shall be $7.00, and if such Average
          Closing Price is greater than $9.00, such divisor shall be
          $9.00.

                    1.3  Adjustment with Respect to Purchaser
          Shares.  In the event that, on or after the date hereof,
          Purchaser declares or pays any cash dividend with respect
          to the outstanding Common Stock, payable or distributable
          to holders of record of shares of Common Stock on or prior
          to the Closing Date, then at the Closing, Purchaser shall
          deliver to Seller, together with the Purchaser Shares,
          such cash as Seller would have received pursuant to such
          dividend had Seller been the holder of record of the
          Purchaser Shares on the record date applicable to such
          dividend.  In addition, after the Closing, Purchaser shall
          deliver to Seller, contemporaneously with the delivery to
          other holders of Common Stock, all other cash distributed
          with respect to the outstanding Common Stock to holders of
          record of shares of Common Stock on or after the date
          hereof not previously delivered to Seller pursuant to the
          foregoing provision.

                    1.4  Purchase Price Adjustment.  (a) As soon as
          practicable, but in no event later than 60 days following
          the Closing Date (as hereinafter defined), Seller shall
          prepare a Combined Statement of Adjusted Working Capital
          of the Company and Efratom Germany as of the close of
          business on the Closing Date (including the notes thereto,
          the "Closing Date Statement").  The Closing Date Statement
          shall present the combined amount of the Company's and
          Efratom Germany's current assets, less the combined amount
          of the Company's and Efratom Germany's current liabilities
          as of the close of business on the Closing Date, plus the
          net investment in fixed assets of the Efratom Business
          Unit, the Company and Efratom Germany from August 7, 1994
          to the close of business on the Closing Date (the "Net
          Working Capital Amount") and shall be prepared with
          respect to such items on a basis consistent with the
          Unaudited Special-Purpose Balance Sheet (as defined in
          Section 2.5).

                         (b)  During the preparation of the Closing
          Date Statement and the period of any dispute within the
          contemplation of this Section 1.4, Purchaser shall cause
          the Company to (i) provide Parent and Seller and Parent's
          authorized representatives with access to the books,
          records, facilities and employees of the Company and
          Efratom Germany, (ii) provide Parent as promptly as
          practicable after the Closing Date (but in no event later
          than 15 days after the Closing Date) with financial
          information for the period ending on the Closing Date and
          (iii) cooperate with Parent and Parent's authorized
          representatives, including the provision on a timely basis
          of all information necessary or useful in preparing the
          Closing Date Statement.

                         (c)  Parent shall deliver a copy of the
          Closing Date Statement, together with the work papers used
          in the preparation thereof, to Purchaser promptly after it
          has been prepared and in no event later than 60 days after
          the Closing Date.  After receipt of the Closing Date
          Statement, Purchaser shall have 30 days to review the
          Closing Date Statement, together with the work papers used
          in the preparation thereof.  Purchaser and its authorized
          representatives shall have full access to all relevant
          books and records, employees and accountants of Parent to
          the extent required to complete their review of the
          Closing Date Statement.  Unless Purchaser delivers written
          notice to Parent on or prior to the 30th day after
          Purchaser's receipt of the Closing Date Statement
          specifying in reasonable detail all disputed items and the
          basis therefor, Purchaser shall be deemed to have accepted
          and agreed to the Closing Date Statement.  If Purchaser so
          notifies Parent of its objection to the Closing Date
          Statement on the grounds that such statement was not
          prepared on a basis consistent with the Unaudited Special-
          Purpose Balance Sheet, Purchaser and Parent shall, within
          30 days following such notice (the "Resolution Period"),
          attempt to resolve their differences and any resolution by
          them as to any disputed amounts shall be final, binding
          and conclusive.  If following resolution of any disputed
          amounts there do not remain in dispute amounts the
          aggregate net effect of which exceeds $25,000, then one-
          half of all amounts remaining in dispute shall be deemed
          to have been resolved in favor of the Closing Date
          Statement delivered by Parent to Purchaser.

                         (d)  If, at the conclusion of the
          Resolution Period, the aggregate net effect of all amounts
          remaining in dispute exceeds $25,000, then all amounts
          remaining in dispute shall be submitted to a firm of
          nationally recognized independent public accountants (the
          "Neutral Auditors") selected by Parent and Purchaser
          within 10 days after the expiration of the Resolution
          Period.  If Parent and Purchaser are unable to agree on
          the Neutral Auditors, Parent and Purchaser shall each have
          the right to request the American Arbitration Association
          to appoint the Neutral Auditors who shall not have had a
          material relationship with Parent, Purchaser or any of
          their respective affiliates within the past two years. 
          Each party agrees to execute, if requested by the Neutral
          Auditors, a reasonable engagement letter.  All fees and
          expenses relating to the work, if any, to be performed by
          the Neutral Auditors shall be borne equally by Parent and
          Purchaser.  The Neutral Auditors shall act as an
          arbitrator to determine, based solely on presentations by
          Parent and Purchaser, and not by independent review, only
          those issues still in dispute.  The Neutral Auditors'
          determination shall be made within 30 days of their
          selection, whether or not such presentations by Parent and
          Purchaser have been made within such period, and shall be
          set forth in a written statement delivered to Parent and
          Purchaser and shall be final, binding and conclusive.  The
          term "Adjusted Closing Date Statement," as hereinafter
          used, shall mean the definitive Closing Date Statement
          agreed to by Purchaser and Parent in accordance with
          Section 1.4(c) or the definitive Closing Date Statement
          resulting from the determinations made by the Neutral
          Auditors in accordance with this Section 1.4(d) (in
          addition to those items theretofore agreed to by Parent
          and Purchaser), in each case prepared in the manner set
          forth in the last sentence of Section 1.4(a) hereof.

                         (e)  The Purchase Price shall be increased
          or decreased, as the case may be, dollar for dollar, to
          the extent the Net Working Capital Amount reflected in the
          Adjusted Closing Date Statement is greater than or less
          than, respectively, the net amount of the current assets
          of the Efratom Business Unit less the current liabilities
          of the Efratom Business Unit reflected on the Unaudited
          Special-Purpose Balance Sheet by an amount in excess of
          $50,000.  The amount of any increase to or reduction of
          the Purchase Price pursuant to this Section 1.4 shall bear
          interest from the Closing Date through the date of payment
          at the publicly announced base interest rate of First
          National Bank of Chicago in effect from time to time from
          the Closing Date to the date of such payment.  The amount
          of any increase to or reduction of the Purchase Price
          pursuant to this Section 1.4(e), together with interest
          thereon, shall be paid by wire transfer in immediately
          available funds to the account specified by Seller or
          Purchaser, as the case may be, within five business days
          after the Adjusted Closing Date Statement is agreed to by
          Parent and Seller or any remaining disputed items are
          ultimately determined by the Neutral Auditors.

                    1.5  The Closing.  The closing (the "Closing")
          of the transactions contemplated in this Agreement shall
          take place at the offices of Stradling, Yocca, Carlson &
          Rauth, 660 Newport Center Drive, Suite 1600, Newport
          Beach, California  92660-6441, at 9:00 a.m., local time,
          on the first business day following the satisfaction or
          waiver of all of the conditions set forth in Articles IV
          and V hereof (the "Closing Date"), or at such other place
          and time as may be agreed upon by Parent and Purchaser.

                         (a)  Deliveries by Seller.  At or prior to
          the Closing, Seller shall deliver or cause to be delivered
          to Purchaser the following:

                              (i)  certificates evidencing the
               Shares, which certificates shall be properly
               endorsed for transfer or accompanied by duly
               executed stock powers, in either case executed
               in blank or in favor of Purchaser and otherwise
               in a form acceptable for transfer on the books
               of the Company or Efratom Germany, as the case
               may be;

                             (ii)  an executed copy of the
               Stockholders Agreement (as defined in
               Section 3.19) and a Services Agreement between
               Purchaser and Parent, dated as of the Closing
               Date, substantially in the form of Exhibit B
               hereto (the "Services Agreement"); and

                            (iii)  all other previously
               undelivered documents required to be delivered
               by Seller to Purchaser at or prior to the
               Closing Date in connection with the transactions
               contemplated hereby.

                         (b)  Deliveries by Purchaser.  At or prior
          to the Closing, Purchaser shall deliver or cause to be
          delivered to Seller the following:

                              (i)  $15 million by wire transfer
               of immediately available funds to an account
               designated by Seller; 

                             (ii)  certificates evidencing the
               Purchaser Shares, which certificates shall be
               registered in such names and amounts as Seller
               shall designate;

                            (iii)  an executed copy of the
               Stockholders Agreement and the Services
               Agreement; and

                             (iv)  all other previously
               undelivered documents required to be delivered
               by Purchaser to Seller at or prior to the
               Closing Date in connection with the transactions
               contemplated hereby.

                         (c)  All instruments and documents executed
          and delivered to Purchaser pursuant hereto shall be in
          form and substance, and shall be executed in a manner
          reasonably satisfactory to Purchaser.  All instruments and
          documents executed and delivered to Seller and Parent
          pursuant hereto shall be in form and substance, and shall
          be executed in a manner reasonably satisfactory to Seller.

                    1.6  Further Assurances.  After the Closing,
          each party hereto shall from time to time, at the request
          of the other party and without further cost or expense to
          such other party, execute and deliver such other
          instruments of conveyance and transfer and take such other
          actions as such other party may reasonably request in
          order to more effectively consummate the transactions
          contemplated hereby and to vest in Purchaser good and
          valid title to the Shares and in Seller or its designees,
          as applicable, good and valid title to the Purchaser
          Shares.


                                  ARTICLE II

                   REPRESENTATIONS AND WARRANTIES OF SELLER

                    Seller and Parent, jointly and severally,
          represent and warrant to Purchaser as follows:

                    2.1  Corporate Organization.  Each of Parent,
          Seller and the Company is a corporation duly organized,
          validly existing and in good standing under the laws of
          its respective state of incorporation.  The Company has
          full corporate power and authority to own its properties
          and assets and to carry on its business as now being
          conducted and is duly qualified or licensed to do business
          as a foreign corporation in good standing in the
          jurisdictions in which the ownership of its property or
          the conduct of its business requires such qualification,
          except jurisdictions in which the failure to be so
          qualified or licensed would not have a material adverse
          effect on the business, operations or financial condition
          of the Efratom Business Unit or the Company and the
          Subsidiaries (as defined below) considered as a single
          enterprise (hereinafter referred to as a "Material Adverse
          Effect").  Seller has delivered to Purchaser complete and
          correct copies of the Articles of Incorporation and all
          amendments thereto to the date hereof (or comparable
          governing document), and the By-laws (or comparable
          governing document) as presently in effect of the Company
          and each Subsidiary.  Except for Ball Efratom Corporation
          Limited, a corporation organized under the laws of the
          United Kingdom ("Efratom UK") which will be a subsidiary
          of the Company on or before the Closing Date, and except
          as set forth in Section 2.1 of the Disclosure Schedule,
          the Company does not own, directly or indirectly, any
          capital stock or other equity securities of any
          corporation or have any direct or indirect equity or
          ownership interest in any partnership, joint venture or
          other business.  Efratom UK and Efratom Germany are
          collectively referred to herein as the "Subsidiaries."

                    2.2  Capital Stock.  The authorized capital
          stock of the Company consists of 1,000,000 shares of
          common stock, no par value per share, of which only the
          Company Shares are issued and outstanding and no other
          shares of any other class or series of capital stock are
          issued and outstanding.  All of the outstanding shares of
          capital stock of Efratom UK (the "Subsidiary Shares") will
          be, as of the Closing Date, owned by the Company.  Except
          as set forth in Section 2.2 of the disclosure schedule
          relating to this Agreement and dated as of the date hereof
          (the "Disclosure Schedule") and except for the Assignment
          and Assumption Agreement, there are no subscriptions,
          options, warrants, calls, rights, contracts, commitments,
          understandings, restrictions or arrangements relating to
          the issuance, sale, transfer or voting of any shares of
          common stock of the Company or any of the Subsidiaries,
          including any rights of conversion or exchange under any
          outstanding securities or other instruments.  Except as
          set forth in Section 2.2 of the Disclosure Schedule, all
          of the outstanding shares of capital stock of Efratom
          Germany are owned by Parent.  All of the Shares and
          Subsidiary Shares have been validly issued and are fully
          paid, nonassessable and free of preemptive rights.

                    2.3  Ownership of Stock.  As of the Closing
          Date, the Shares will be owned by Seller and the
          Subsidiary Shares will be owned by the Company, in each
          case free and clear of all Encumbrances, other than the
          restrictions imposed by Federal and state securities laws. 
          Upon the consummation of the transactions contemplated
          hereby, Purchaser will acquire title to the Shares, free
          and clear of all Encumbrances, other than the restrictions
          imposed by Federal and state securities laws and
          Encumbrances arising as a result of any action taken by
          Purchaser or any of its affiliates ("Affiliates") as
          defined in Rule 12b-2 of the regulations promulgated
          pursuant to the Securities Exchange Act of 1934, as
          amended (the "Exchange Act").

                    2.4  Authorization, Etc.  Each of Parent and
          Seller has full corporate power and authority to execute
          and deliver this Agreement and the Stockholders Agreement
          and to carry out the transactions contemplated hereby and
          thereby.  The Board of Directors of Seller has duly
          approved and authorized the execution and delivery by
          Seller of this Agreement and the Stockholders Agreement
          and the consummation of the transactions contemplated
          hereby and thereby and the Board of Directors of Parent
          has ratified such actions and approved such transactions,
          and no other corporate proceedings on the part of Parent,
          Seller, the Company or any Subsidiary (other than those
          necessary to effect the transactions contemplated by the
          Assignment and Assumption Agreement) are necessary to
          approve and authorize the execution and delivery by Parent
          and Seller of this Agreement and the Stockholders
          Agreement and the consummation by Parent and Seller of the
          transactions contemplated hereby and thereby.  This
          Agreement constitutes a valid and binding agreement of
          Parent and Seller, enforceable against Parent and Seller
          in accordance with its terms, except that (i) the
          enforcement hereof and thereof may be limited by
          bankruptcy, insolvency, reorganization, moratorium or
          other similar laws now or hereafter in effect relating to
          creditors' rights generally and (ii) the remedy of
          specific performance and injunctive and other forms of
          equitable relief may be subject to equitable defenses and
          to the discretion of the court before which any proceeding
          therefor may be brought.

                    2.5  Financial Statements.  Seller has
          previously delivered to Purchaser the combined audited
          special-purpose balance sheet of the Efratom Business Unit
          as of December 31, 1993 (the "Audited Special-Purpose
          Balance Sheet") and the combined audited special-purpose
          statements of earnings and cash flows of the Efratom
          Business Unit for the fiscal year then ended (together
          with the Audited Special-Purpose Balance Sheet, the
          "Audited Financial Statements"), and the combined
          unaudited special-purpose balance sheet of the Efratom
          Business Unit as of August 7, 1994 (the "Unaudited
          Special-Purpose Balance Sheet") and combined unaudited
          special-purpose statements of earnings and cash flows of
          the Efratom Business Unit for the seven months then ended
          (such unaudited statements of earnings and cash flows,
          together with the Unaudited Special-Purpose Balance Sheet,
          including the related notes and supplemental information
          thereto, are referred to herein as the "Unaudited
          Financial Statements").  All of the audited and unaudited
          financial statements referred to above, including the
          related notes thereto, are sometimes referred to herein as
          the "Financial Statements."  Except as otherwise disclosed
          in the notes or supplemental information thereto or in the
          notes to the Audited Financial Statements, the Unaudited
          Financial Statements fairly present in all material
          respects the financial position and results of operations
          of the Efratom Business Unit as of the date thereof and
          the period covered thereby and have been prepared in
          accordance with GAAP.  Except as disclosed in Section 2.5
          of the Disclosure Schedule, as of the date hereof, neither
          the Company nor the Efratom Business Unit nor any of the
          Subsidiaries has any liabilities or obligations, whether
          accrued, absolute, contingent or otherwise that are
          required to be reflected on a balance sheet prepared in
          accordance with GAAP, other than (i) liabilities and
          obligations that are reflected, accrued or reserved for in
          the Unaudited Special-Purpose Balance Sheet or disclosed
          in the notes or supplemental information thereto, (ii)
          obligations incurred in the ordinary course of business
          and consistent with past practice since the date of the
          Unaudited Special-Purpose Balance Sheet, (iii) liabilities
          which arise as a result of a breach of the representations
          and warranties contained in Section 2.11 hereof and (iv)
          other liabilities and obligations that would not, in the
          aggregate, have a Material Adverse Effect.

                    2.6  No Approvals or Conflicts.  Except as set
          forth in Section 2.6 of the Disclosure Schedule, neither
          the execution and delivery by Parent or Seller of this
          Agreement, the Stockholders Agreement or the Assignment
          and Assumption Agreement nor the consummation by Parent or
          Seller of the transactions contemplated hereby and thereby
          will (i) violate, conflict with or result in a breach of
          any provision of the Articles of Incorporation or By-laws
          of Parent, Seller,  the Company or any Subsidiary, (ii)
          violate, conflict with or result in a breach of any
          provision of, or constitute a default (or an event which,
          with notice or lapse of time or both, would constitute a
          default) under, or result in the creation of any lien,
          security interest, charge or encumbrance upon any of the
          properties of the Company, or the Subsidiaries or on
          Seller's interest in the Shares under, any note, bond,
          mortgage, indenture, deed of trust, license, franchise,
          permit, lease, contract, agreement or other instrument to
          which Seller, the Company, the Subsidiaries or any of
          their respective properties, as of the Closing Date, may
          be bound, (iii) violate any order, injunction, judgment,
          ruling, law or regulation of any court or governmental
          authority applicable to Parent, Seller, the Company or the
          Subsidiaries or any of their respective properties or (iv)
          except for applicable requirements of the Exchange Act,
          and the rules and regulations promulgated thereunder and
          the Hart-Scott-Rodino Antitrust Improvements Act of 1976,
          as amended (the "HSR Act"), require any consent, approval
          or authorization of, or notice to, or declaration, filing
          or registration with, any governmental or regulatory
          authority or other third party, which, in the case of
          clauses (ii), (iii) and (iv) above, would have a Material
          Adverse Effect or a material adverse effect on Parent's or
          Seller's ability to consummate the transactions
          contemplated hereby.

                    2.7  Compliance with Law; Governmental
          Authorizations.  Except as set forth in Section 2.7 of the
          Disclosure Schedule, the Company, the Subsidiaries and the
          Efratom Business Unit are not in violation of any order,
          injunction, judgment, ruling, law or regulation of any
          court or governmental authority applicable to the property
          or business of the Company, the Subsidiaries or the
          Efratom Business Unit which violation or violations in the
          aggregate would have a Material Adverse Effect. Except as
          set forth in Section 2.7 of the Disclosure Schedule, as of
          the Closing Date, the licenses, permits and other
          governmental authorizations held by the Company and the
          Subsidiaries will be valid and sufficient for the conduct
          of the Company's and the Subsidiaries' businesses as
          currently conducted by the Efratom Business Unit, except
          where the failure to hold such licenses, permits and other
          governmental authorizations would not have a Material
          Adverse Effect.  Except as disclosed in Section 2.7 of the
          Disclosure Schedule, no written claim has been made by any
          governmental authority within the preceding five years to
          the effect that either the Company or any Subsidiary
          either failed or is failing to comply, in any material
          respect, with any law, rule, regulation or ordinance
          applicable to the Company or such Subsidiary,
          respectively.

                    2.8  Litigation.  Except as set forth in Section
          2.8 of the Disclosure Schedule, as of the date hereof,
          there are no claims, actions, proceedings or
          investigations pending or, to the knowledge of Parent or
          Seller, threatened against Parent (with respect to the
          Efratom Business Unit), the Company or the Subsidiaries,
          or the transactions contemplated by this Agreement, before
          any court or governmental or regulatory authority or body
          which would have a Material Adverse Effect or a material
          adverse effect on Parent's or Seller's ability to
          consummate the transactions contemplated hereby.  Except
          as set forth in Section 2.8 of the Disclosure Schedule,
          none of Parent (with respect to the Efratom Business
          Unit), the Company or any Subsidiaries are named as a
          plaintiff or defendant in any such material legal
          proceeding.

                    2.9  Title to Assets.  Except as set forth in
          Section 2.9 of the Disclosure Schedule, on August 7, 1994,
          Parent had and, subject to Section 6.16 and except with
          respect to assets disposed of in the ordinary course of
          business since August 7, 1994 (including distributions of
          all of the Company's and the Subsidiaries' then cash
          balances to Seller or Parent immediately prior to the
          Closing), as of the Closing Date, the Company and the
          Subsidiaries will have, good and valid title to all the
          properties and assets owned by Parent or the Subsidiaries
          and reflected on the Unaudited Special-Purpose Balance
          Sheet or which would have been reflected on the Unaudited
          Special-Purpose Balance Sheet if acquired prior to
          August 7, 1994, free and clear of all Encumbrances of any
          nature except for (i) exceptions to title as set forth in
          Section 2.9 of the Disclosure Schedule; (ii) mortgages and
          encumbrances which secure indebtedness or obligations
          which are properly reflected on the Financial Statements
          and are set forth in Section 2.9 of the Disclosure
          Schedule; (iii) liens for Taxes (as defined in Section
          2.11) not yet payable or any Taxes being contested in good
          faith (any such contests being identified in Section 2.11
          of the Disclosure Schedule); (iv) liens arising as a
          matter of law in the ordinary course of business, provided
          that the obligations secured by such liens are not
          delinquent or are being contested in good faith; and (v)
          such imperfections of title and encumbrances, if any, as
          do not materially interfere with the present use of any of
          the Company's or the Subsidiaries' properties and assets
          subject thereto.  As of the Closing Date, subject to
          Section 6.16, the Company or the Subsidiaries will own, or
          have valid leasehold interests in, all material properties
          and assets presently used in the conduct of the Business
          other than assets disposed of in the ordinary course of
          business or used by Parent to provide general and
          administrative services to the  Efratom Business Unit
          which will be discontinued as of the Closing Date.

                    2.10  Absence of Certain Changes.  Except as
          disclosed in Section 2.10 of the Disclosure Schedule and
          as otherwise provided herein, since August 7, 1994 and
          through the date hereof:

                         (a)  the Business has been conducted only
          in the ordinary course and consistent with past practice
          in all material respects; 

                         (b)  there has been no direct or indirect
          redemption, purchase or other acquisition by the Company
          or any Subsidiary of any shares of its capital stock, or
          any declaration, setting aside or payment of any dividend
          or other distribution by the Company or any Subsidiary
          other than distributions of all of the Company's then cash
          balances to Parent or Seller immediately prior to the
          Closing and other cash management procedures or dividend
          payment procedures comparable to those described in the
          supplementary information to the Unaudited Financial
          Statements in the ordinary course of Seller's or the
          Company's business;

                         (c)  there has been no sale, assignment or
          transfer of any material assets of the Company, the
          Subsidiaries or the Efratom Business Unit (other than
          sales, assignments or transfers of assets in the ordinary
          course of business and consistent with past practice);

                         (d)  there has been no material adverse
          change in the financial condition, results of operations,
          or business of the Efratom Business Unit; and

                         (e)  there has been no material increase in
          compensation payable or to become payable to any of the
          Efratom Business Unit's or the Subsidiaries' respective
          officers, directors or employees, other than increases in
          the ordinary course of business and consistent with past
          practice.

                    2.11  Taxes.  (a) The Company, or an Affiliate
          of the Company on its behalf, has (i) duly filed with the
          appropriate Federal, state, local and foreign taxing
          authorities all Tax Returns (as defined below) required to
          be filed by or with respect to the Company, the
          Subsidiaries or the Efratom Business Unit as of the date
          hereof other than those Tax Returns the failure of which
          to file would not have a Material Adverse Effect, and such
          Tax Returns are true, correct and complete in all material
          respects and (ii) paid or made provision for or disclosed
          in the Financial Statements (including in the supplemental
          information to the Unaudited Financial Statements) all
          material Taxes (as defined below) of the Company, the
          Subsidiaries or the Efratom Business Unit shown to be due
          on such Tax Returns.  As of the date hereof, there are no
          material liens for Taxes upon the assets of the Efratom
          Business Unit except liens for current Taxes not yet due
          or Taxes being contested in good faith by appropriate
          proceedings (which contests are set forth in Section 2.11
          of the Disclosure Schedule).  Except as set forth in
          Section 2.11 of the Disclosure Schedule, as of the date
          hereof, none of Parent, Seller, the Company or any
          Subsidiary has received any written notice of deficiency
          or assessment from any Federal, state, local or foreign
          taxing authority with respect to liabilities for material
          Taxes of the Efratom Business Unit which have not been
          paid or finally settled, and any such deficiency or
          assessment disclosed in Section 2.11 of the Disclosure
          Schedule is being contested in good faith through
          appropriate proceedings.  Except as disclosed in Section
          2.11 of the Disclosure Schedule, neither the Company nor
          any Subsidiary is a party to any tax-sharing agreement.

                         (b)  For purposes of this Agreement,
          "Taxes" shall mean all taxes, charges, fees, levies,
          penalties or other assessments imposed by any United
          States Federal, state, local or foreign taxing authority,
          including, but not limited to, income, service, leasing,
          occupation, excise, property, sales and use, transfer,
          franchise, payroll, withholding, social security or other
          taxes, including any interest, penalties or additions
          attributable thereto.

                         (c)  For purposes of this Agreement, "Tax
          Return" shall mean any return, report, information return
          or other document (including any related or supporting
          information) filed or required to be filed with any taxing
          authority with respect to Taxes.

                    2.12  Employee Benefits.   (a) Schedule 2.12 of
          the Disclosure Schedule sets forth a true and complete
          list of each employee benefit plan within the meaning of
          Section 3(3) of the Employee Retirement Income Security
          Act of 1974, as amended ("ERISA"), that is maintained for
          employees or former employees of the Efratom Business Unit
          by Parent or the Company (together with any comparable
          employee benefit plans maintained by Efratom Germany, the
          "Plans").

                         (b)  Except as disclosed in Schedule 2.12
          of the Disclosure Schedule, to the knowledge of Parent and
          Seller, each of the Plans that is subject to ERISA is in
          material compliance with the currently applicable
          provisions of ERISA; each of the Plans intended to be
          "qualified" within the meaning of Section 401(a) of the
          Internal Revenue Code of 1986, as amended (the "Code"), is
          so qualified; and no Plan is subject to Title IV of ERISA. 

                         (c)  All contributions (including all
          employer contributions and employee salary reduction
          contributions) that are due have been paid to each Plan,
          and all contributions for any period ending on or before
          the Closing Date that are not yet due will be paid to each
          Plan or accrued in accordance with the past custom and
          practice of Parent, Seller and the Company or Efratom
          Germany, as the case may be.

                         (d)  To the knowledge of Parent or Seller,
          there have been no prohibited transactions with respect to
          any Plan subject to ERISA with respect to which Parent,
          Seller, the Company or any of the Subsidiaries has
          incurred any material liability.  To the knowledge of
          Parent or Seller, no breach of fiduciary duty or any other
          failure to act or comply in connection with the
          administration or investment of the assets of any Plan has
          occurred.  As of the date hereof, no charge, complaint,
          action, suit, proceedings, hearing, investigation, claim,
          or demand with respect to the administration or the
          investment of the assets of any Plan (other than routine
          claims for benefits) is pending or, to the knowledge of
          Parent or Seller, threatened.

                         (e)  None of Parent, Seller, the Company or
          the Subsidiaries contributes to any multiemployer plan, as
          defined in Section 3(37) of ERISA on behalf of employees
          or former employees of the Efratom Business Unit.

                         (f)  Except as provided in Sections 6.11
          and 6.12 hereof, as accrued on the Unaudited Special-
          Purpose Balance Sheet or the Closing Date Statement or as
          required by applicable law or regulation, the terms of any
          Plan exclusively covering Company Employees employed by
          Efratom Germany or any agreement with any Company Employee
          at Efratom Germany, as of the Closing Date, the Company
          and the Subsidiaries will have no liabilities with respect
          to any of the Plans from and after the Closing Date.

                    2.13  Labor Relations.  Except as set forth in
          Section 2.13 of the Disclosure Schedule, none of Parent,
          Seller, the Company or the Subsidiaries is a party to any
          collective bargaining agreement applicable to employees of
          the Efratom Business Unit.  As of the date hereof, no
          labor organization or group of employees of the Efratom
          Business Unit has made a demand for recognition or has
          filed a petition seeking a representation proceeding. 
          Except as set forth in Section 2.13 of the Disclosure
          Schedule, the Company, the Subsidiaries and the Efratom
          Business Unit are, and for the preceding five years have
          been, in material compliance with all applicable laws
          respecting employment and employment practices, terms and
          conditions of employment and wages and hours and is not
          and, to the knowledge of Parent and the Company, has not
          engaged in any unfair labor practice which has had or is
          reasonably likely to have a Material Adverse Effect, and,
          as of the date hereof, there is no labor strike, dispute,
          slowdown or stoppage actually pending or, to the knowledge
          of Parent or Seller, threatened against or affecting the
          Company, the Subsidiaries or the Efratom Business Unit. 
          Except as set forth in Section 2.12 or 2.13 of the
          Disclosure Schedule, as of the Closing Date neither the
          Company nor any subsidiary will be a party to any material
          employment or consulting agreement.
     
                         2.14  Patents, Trademarks, Trade Names, Etc. 
          Section 2.14 of the Disclosure Schedule contains an
          accurate list of all patents, trademarks, service marks,
          trade names and copyrights, and all applications therefor
          (collectively, "Intellectual Property") used or owned by
          the Company or the Subsidiaries which are material to the
          Company and the Subsidiaries considered as a single
          enterprise, all applications therefor, and a list of all
          material licenses and other agreements relating thereto. 
          Except as set forth in Section 2.14 of the Disclosure
          Schedule and as provided in Section 6.13 hereof, (i) the
          consummation of the transactions contemplated by this
          Agreement will not materially impair the Company's or any
          Subsidiary's right to use any such Intellectual Property,
          (ii) no claims have been asserted by any person to the use
          of any such Intellectual Property, or challenging or
          questioning the validity or effectiveness of any such
          license or agreement, which claims, if adversely decided,
          would have a Material Adverse Effect and (iii) the use of
          such Intellectual Property by the Efratom Business Unit,
          the Company or the Subsidiaries, as the case may be, and
          the conduct of the business of the Efratom Business Unit,
          the  Company and the Subsidiaries, as the case may be,
          does not infringe in any material respect on the
          Intellectual Property rights of any other person.  Except
          as provided in Section 6.13 hereof and subject to Section
          6.16 hereof, as of the Closing Date, the Company's and the
          Subsidiaries' rights in and to such Intellectual Property
          will be sufficient with respect to Intellectual Property
          to permit the Company to carry on its business in all
          material respects as presently conducted.  The Company's
          and the Subsidiaries' Intellectual Property has not been
          misappropriated from any third party.  In the ordinary
          course of its business, Parent and the Subsidiaries have
          entered into employee inventions assignment agreements
          with employees of the Efratom Business Unit, in a form or
          forms that will be made available to Purchaser prior to
          the Closing, and such agreements will be assigned to the
          Company or the  Subsidiaries to the extent permitted by
          law on or before the Closing Date.

                    2.15  Contracts.  Section 2.15 of the Disclosure
          Schedule sets forth each of the material contracts,
          agreements and understandings relating to the Efratom
          Business Unit to which Parent is a party and which,
          subject to Section 6.16, will be assigned to the Company
          pursuant to the Assignment and Assumption Agreement or to
          which any of the Subsidiaries is a party or by which any
          of the Efratom Business Unit's assets or operations may be
          bound, (i) each of which is in full force and effect,
          except where the failure to be in full force and effect
          would not have a Material Adverse Effect and (ii)  with
          respect to which there are no existing defaults by Parent,
          the Company or such Subsidiary thereunder, nor, to the
          knowledge of Parent and Seller, is any other party in
          default thereof, which default would result in a Material
          Adverse Effect.

                    2.16  Environmental Matters.  Except as set
          forth in Section 2.16 of the Disclosure Schedule, neither
          Parent, the Company nor any of the Subsidiaries has, as of
          the date hereof, received any written notice alleging the
          present violation by the Efratom Business Unit of any
          applicable Federal, state or local laws or regulations
          related to the protection of the environment
          ("Environmental Laws") which would result in a Material
          Adverse Effect, and (i) the Company, the Subsidiaries and
          the Efratom Business Unit are, and for the preceding five
          years have been, in compliance with all Environmental
          Laws, (ii) the Company, the Subsidiaries and the Efratom
          Business Unit have obtained and are in compliance with all
          required governmental environmental permits with respect
          to the Business as currently conducted, (iii) no hazardous
          waste, substance or material has been stored, treated or
          disposed of by the Company, the Subsidiaries or the
          Efratom Business Unit on the real estate owned by the
          Company, the Subsidiaries or Parent, except in compliance
          with applicable Environmental Laws and (iv) the Company,
          the Subsidiaries and the Efratom Business Unit have
          lawfully disposed of their hazardous waste products with
          respect to the operations of its business except, in each
          case, where such failure to be in compliance or to obtain,
          store, treat or dispose of would not have a Material
          Adverse Effect.

                    2.17  Insurance.  Section 2.17 of the Disclosure
          Schedule lists all material insurance policies covering
          the assets, employees and operations of the Efratom
          Business Unit as of the date hereof.  All insurance
          coverage and bonds with respect to the properties and
          business of the Efratom Business Unit that are in effect
          as of the date hereof shall be terminated as of the
          Closing Date.

                    2.18  Real Property.  Neither the Company nor
          any Subsidiary owns or, as of the Closing Date, will own
          any real property.  Section 2.18 of the Disclosure
          Schedule sets forth a list of all material real property
          leased by the Efratom Business Unit, or otherwise used in
          the Business.  Subject to Section 6.16, all such leases
          will be assigned to the Company or a Subsidiary pursuant
          to the Assignment and Assumption Agreement on or before
          the Closing Date.  There is not under any of such leases
          an existing default or event which with notice or lapse of
          time, or both, would become a default by Parent, the
          Company or any Subsidiary, or to the knowledge of Parent
          or Seller, by any other party thereto.  The real property
          listed in Section 2.18 of the Disclosure Schedule
          constitutes all of the real property necessary for the
          continued conduct of the Business by the Company and the
          Subsidiaries in all material respects as such Business is
          presently conducted.  To the knowledge of Parent and
          Seller there exists no condition on any such real property
          which materially interferes with the present use of such
          real property.

                    2.19  Proxy Statement.  None of the information
          supplied by Parent, Seller or the Company in writing
          expressly for use in the Proxy Statement (as defined in
          Section 6.15) and in the Current Report on Form 8-K of the
          Purchaser to be filed in connection with the transactions
          contemplated hereby (the "Form 8-K") will (as such
          information may be supplemented or amended by Parent) with
          respect to the Proxy Statement, at the time of the mailing
          of the Proxy Statement and at the time of the Stockholders
          Action (as defined in Section 6.15) and with respect to
          the Form 8-K, at the time of filing with the Securities
          and Exchange Commission, contain any untrue statement of a
          material fact or omit to state any material facts required
          to be stated therein or necessary in order to make the
          statements therein, in light of the circumstances under
          which they are made, not misleading.  If at any time any
          event shall occur which will result in a breach of the
          foregoing sentence, Parent, Seller and/or the Company
          shall promptly advise Purchaser.

                    2.20  Investment Intent.  Seller acknowledges
          that the Purchaser Shares it or its designee shall receive
          as consideration hereunder are unregistered and Seller
          will not sell or otherwise transfer the Purchaser Shares
          other than in accordance with the Securities Act of 1933,
          as amended (the "Securities Act"), or an exemption
          therefrom.

                    2.21  No Brokers' or Other Fees.  Except for the
          fees payable to Lehman Brothers Inc. by Parent, no broker,
          finder or investment banker is entitled to any fee or
          commission in connection with the transactions
          contemplated hereby based upon arrangements made by or on
          behalf of Parent, Seller or the Company.

                                  ARTICLE III

                  REPRESENTATIONS AND WARRANTIES OF PURCHASER

                    Purchaser hereby represents and warrants to
          Seller as follows:

                    3.1  Organization.  Purchaser is a corporation
          duly organized, validly existing and in good standing
          under the laws of the State of Delaware.  Purchaser has
          full corporate power and authority to own its properties
          and assets and to carry on its business as now being
          conducted and is duly qualified or licensed to do business
          as a foreign corporation in good standing in the
          jurisdictions in which the ownership of its property or
          the conduct of its business requires such qualification,
          except jurisdictions in which the failure to be so
          qualified or licensed would not have a material adverse
          effect on the business, operations or financial condition
          of Purchaser and the Purchaser Subsidiaries (as defined
          below) considered as a single enterprise (hereinafter
          referred to as a "Purchaser Material Adverse Effect"). 
          Purchaser has delivered to Seller complete and correct
          copies of the Articles of Incorporation and all amendments
          thereto to the date hereof, and the By-laws as presently
          in effect of Purchaser.  Except for the subsidiaries
          (collectively, the "Purchaser Subsidiaries") set forth in
          Section 3.1 of the Disclosure Schedule, Purchaser does not
          own, directly or indirectly, any capital stock or other
          equity securities of any corporation or have any direct or
          indirect equity or ownership interest in any partnership,
          joint venture or other business.

                    3.2  Capital Stock.  The authorized capital
          stock of Purchaser  consists of 5,000,000 shares of common
          stock, $.25 par value per share, of which 2,655,795 shares
          are issued and outstanding as of the date hereof.  All of
          the outstanding shares of capital stock of the Purchaser
          Subsidiaries (the "Purchaser Subsidiary Shares") are owned
          by Purchaser free and clear of all Encumbrances.  Except
          for options or rights under Purchaser's existing stock
          option and savings plans, copies of which have been
          provided to Parent, there are no subscriptions, options,
          warrants, calls, rights, contracts, commitments,
          understandings, restrictions or arrangements relating to
          the issuance, sale, transfer or voting of any shares of
          capital stock of Purchaser or, except as set forth in
          Section 3.2 of the Disclosure Schedule, any of the
          Purchaser Subsidiaries, including any rights of conversion
          or exchange under any outstanding securities or other
          instruments.  All of the shares of capital stock of
          Purchaser and the Purchaser Subsidiaries have been validly
          issued and are fully paid, nonassessable and free of
          preemptive rights.

                    3.3  Authorization, Etc.  Purchaser has full
          corporate power and authority to execute and deliver this
          Agreement and the Stockholders Agreement, and to carry out
          the transactions contemplated hereby and thereby.  The
          Board of Directors of Purchaser has duly approved and
          authorized the execution and delivery of this Agreement
          and the Stockholders Agreement and the documents and
          instruments contemplated hereby and thereby and the
          consummation of the transactions contemplated hereby and
          thereby, and other than the approval by the stockholders
          of (i) an increase in the authorized number of shares of
          Common Stock and (ii) the transactions contemplated
          hereby, no other corporate proceedings on the part of
          Purchaser are necessary to approve and authorize the
          execution and delivery by Purchaser of this Agreement and
          the Stockholders Agreement and the consummation by
          Purchaser of the transactions contemplated hereby and
          thereby.  Each of this Agreement and the Stockholders
          Agreement constitutes a valid and binding agreement of
          Purchaser, assuming the due execution of this Agreement by
          Seller, enforceable against Purchaser in accordance with
          its terms, except that (i) the enforcement hereof and
          thereof may be limited by bankruptcy, insolvency,
          reorganization, moratorium or other similar laws now or
          hereafter in effect relating to creditors' rights
          generally and (ii) the remedy of specific performance and
          injunctive and other forms of equitable relief may be
          subject to equitable defenses and to the discretion of the
          court before which any proceeding therefor may be brought.

                    3.4  No Approvals or Conflicts.  Except as set
          forth in Section 3.4 of the Disclosure Schedule, neither
          the execution and delivery by Purchaser of this Agreement
          and the Stockholders Agreement nor the consummation by
          Purchaser of the transactions contemplated hereby and
          thereby will (i) violate, conflict with or result in a
          breach of any provision of the Articles of Incorporation
          or By-laws of Purchaser, (ii) violate, conflict with or
          result in a breach of any provision of, or constitute a
          default (or an event which, with notice or lapse of time
          or both, would constitute a default) under, or result in
          the creation of any lien, security interest, charge or
          encumbrance upon any of the properties of Purchaser or the
          Purchaser Subsidiaries under, any note, bond, mortgage,
          indenture, deed of trust, license, franchise, permit,
          lease, contract, agreement or other instrument to which
          Purchaser or the Purchaser Subsidiaries or any of their
          respective properties may be bound, (iii) violate any
          order, injunction, judgment, ruling, law or regulation of
          any court or governmental authority applicable to
          Purchaser or the Purchaser Subsidiaries or any of their
          respective properties, or (iv) except for applicable
          requirements of the Exchange Act and the HSR Act, require
          any consent, approval or authorization of, or notice to,
          or declaration, filing or registration with, any
          governmental or regulatory authority or other third party,
          which, in the case of clauses (ii), (iii) and (iv) above,
          would have a Purchaser Material Adverse Effect or on
          Purchaser's ability to consummate the transactions
          contemplated hereby.

                    3.5  Purchaser SEC Reports; Financial
          Statements.  Purchaser has delivered to Parent and Seller
          copies of all forms, reports and documents (including
          exhibits and any amendments thereto) filed by Purchaser
          with the Securities and Exchange Commission (the "SEC")
          since December 31, 1991 (collectively, including without
          limitation any financial statements or schedules included
          therein, the "Purchaser SEC Reports").  As of the their
          respective dates, the Purchaser SEC Reports did not
          contain any untrue statement of a material fact or omit to
          state a material fact required to be stated therein or
          necessary to make the statements made therein, in light of
          the circumstances in which they were made, not misleading. 
          Each of the consolidated balance sheets included in or
          incorporated by reference into the Purchaser SEC Reports
          (including the related notes and schedules) fairly
          presents in all material respects the consolidated
          financial position of Purchaser and its subsidiaries as of
          its date, and each of the consolidated statements of
          income and cash flows included in or incorporated by
          reference into the Purchaser SEC Reports (including any
          related notes and schedules) fairly presents in all
          material respects the results of operations, retained
          earnings and cash flows, as the case may be, of Purchaser
          and its subsidiaries for the periods set forth therein
          (subject, in the case of unaudited statements, to normal
          year-end audit adjustments which will not be material in
          amount or effect), in each case in accordance with
          generally accepted accounting principles consistently
          applied during the periods involved, except as otherwise
          noted therein.

                    3.6  Compliance with Law; Governmental
          Authorizations.  Except as set forth in Section 3.6 of the
          Disclosure Schedule, Purchaser and the Purchaser
          Subsidiaries are not in violation of any order,
          injunction, judgment, ruling, law or regulation of any
          court or governmental authority applicable to the property
          or business of Purchaser or the Purchaser Subsidiaries
          which violation or violations in the aggregate would have
          a Purchaser Material Adverse Effect. Except as set forth
          in Section 3.6 of the Disclosure Schedule, to the best
          knowledge of Purchaser, the licenses, permits and other
          governmental authorizations held by Purchaser and the
          Purchaser Subsidiaries are valid and sufficient for the
          conduct of its businesses as currently conducted, except
          where the failure to hold such licenses, permits and other
          governmental authorizations would not have a Purchaser
          Material Adverse Effect.  Except as disclosed in Section
          3.7 of the Disclosure Schedule, no written claim has been
          made by any governmental authority within the preceding
          five years to the effect that either Purchaser or the
          Purchaser Subsidiaries either failed or is failing to
          comply, in any material respect, with any law, rule,
          regulation or ordinance applicable to Purchaser or any
          Purchaser Subsidiary.

                    3.7  Litigation.  Except as disclosed in the
          Purchaser SEC Reports or as set forth in Section 3.7 of
          the Disclosure Schedule, as of the date hereof, there are
          no claims, actions, proceedings or investigations pending
          or, to the knowledge of Purchaser, threatened against
          Purchaser or the Purchaser Subsidiaries, or the
          transactions contemplated by this Agreement, before any
          court or governmental or regulatory authority or body
          which would have a Purchaser Material Adverse Effect or a
          material adverse effect on Purchaser's ability to
          consummate the transactions contemplated hereby.  Except
          as set forth in Section 3.7 of the Disclosure Schedule,
          neither the Purchaser nor any Purchaser Subsidiaries are
          named as a plaintiff or defendant in any such material
          legal proceeding.

                    3.8  Title to Assets.  Except as set forth in
          Section 3.8 of the Disclosure Schedule, on June 30, 1994,
          Purchaser or the Purchaser Subsidiaries had and, except
          with respect to assets disposed of in the ordinary course
          of business since June 30, 1994, now have, good and valid
          title to all the properties and assets owned by Purchaser
          or the Purchaser Subsidiaries and reflected in the balance
          sheet contained in the Purchaser's Quarterly Report on
          Form 10-Q for the period ended June 30, 1994 (the
          "Purchaser Balance Sheet") or which would have been
          reflected in the Purchaser Balance Sheet if acquired prior
          to June 30, 1994, free and clear of all Encumbrances of
          any nature except for (i) exceptions to title as set forth
          in Section 3.8 of the Disclosure Schedule; (ii) mortgages
          and encumbrances which secure indebtedness or obligations
          which are properly reflected in the Purchaser Balance
          Sheet; (iii) liens for Taxes not yet payable or any Taxes
          being contested in good faith; (iv) liens arising as a
          matter of law in the ordinary course of business, provided
          that the obligations secured by such liens are not
          delinquent or are being contested in good faith; and (v)
          such imperfections of title and encumbrances, if any, as
          do not materially interfere with the present use of any of
          Purchaser's or the Purchaser Subsidiaries' properties and
          assets subject thereto.  Purchaser or the Purchaser
          Subsidiaries own, or have valid leasehold interests in,
          all material properties and assets used in the conduct of
          the Purchaser's business.

                    3.9  Absence of Certain Changes.  Except as
          disclosed in Section 3.9 of the Disclosure Schedule and as
          otherwise provided herein, since June 30, 1994 and through
          the date hereof:

                         (a)  the business of Purchaser has been
          conducted only in the ordinary course and consistent with
          past practice in all material respects; 

                         (b)  there has been no direct or indirect
          redemption, purchase or other acquisition by Purchaser or
          any Purchaser Subsidiaries of any shares of its capital
          stock, or any declaration, setting aside or payment of any
          dividend or other distribution by the Purchaser or any
          Purchaser Subsidiaries other than cash management
          procedures in the ordinary course of Purchaser's business;

                         (c)  there has been no sale, assignment or
          transfer of any material assets of Purchaser or the
          Purchaser Subsidiaries (other than sales, assignments or
          transfers of assets in the ordinary course of business and
          consistent with past practice);

                         (d)  there has been no material adverse
          change in the financial condition, results of operations,
          or business of Purchaser; and

                         (e)  there has been no material increase in
          compensation payable or to become payable to any of
          Purchaser's or the Purchaser Subsidiaries' respective
          officers, directors or employees, other than increases in
          the ordinary course of business and consistent with past
          practice.

                    3.10  Taxes.  Purchaser has (i) duly filed with
          the appropriate Federal, state, local and foreign taxing
          authorities all Tax Returns required to be filed by or
          with respect to Purchaser and the Purchaser Subsidiaries
          as of the date hereof other than those Tax Returns the
          failure of which to file would not have a Purchaser
          Material Adverse Effect, and such Tax Returns are true,
          correct and complete in all material respects and (ii)
          paid or made provision for in the financial statements of
          Purchaser included in the Purchaser SEC Reports all
          material Taxes of Purchaser and the Purchaser Subsidiaries
          shown to be due on such Tax Returns.  As of the date
          hereof, there are no material liens for Taxes upon the
          assets of Purchaser or the Purchaser Subsidiaries except
          liens for current Taxes not yet due or Taxes being
          contested in good faith by appropriate proceedings. 
          Except as set forth in Section 3.10 of the Disclosure
          Schedule, as of the date hereof, none of Purchaser or any
          Purchaser Subsidiaries has received any written notice of
          deficiency or assessment from any Federal, state, local or
          foreign taxing authority with respect to liabilities for
          material Taxes of Purchaser or the Purchaser Subsidiaries
          which have not been paid or finally settled, and any such
          deficiency or assessment disclosed in Section 3.10 of the
          Disclosure Schedule is being contested in good faith
          through appropriate proceedings.  Except as disclosed in
          Section 3.10 of the Disclosure Schedule, neither the
          Purchaser nor any Purchaser Subsidiaries is a party to any
          tax-sharing agreement.

                    3.11  Employee Benefits.   (a) Schedule 3.11 of
          the Disclosure Schedule sets forth a true and complete
          list of each employee benefit plan within the meaning of
          Section 3(3) of the ERISA, that is maintained for
          employees or former employees of Purchaser or the
          Purchaser Subsidiaries (the "Purchaser Plans").

                         (b)  Except as disclosed in Schedule 3.11
          of the Disclosure Schedule, to the knowledge of Purchaser,
          each of the Purchaser Plans that is subject to ERISA is in
          material compliance with the currently applicable
          provisions of ERISA; each of the Purchaser Plans intended
          to be "qualified" within the meaning of Section 401(a) of
          the Code is so qualified; and no Purchaser Plan is subject
          to Title IV of ERISA.  

                         (c)  All contributions (including all
          employer contributions and employee salary reduction
          contributions) that are due have been paid to each
          Purchaser Plan, and all contributions for any period
          ending on or before the Closing Date that are not yet due
          will be paid to each Purchaser Plan or accrued in
          accordance with the past custom and practice of Purchaser.

                         (d)  To the knowledge of Purchaser, there
          have been no prohibited transactions with respect to any
          Purchaser Plan with respect to which Purchaser or any of
          the Purchaser Subsidiaries has incurred any material
          liability.  To the knowledge of Purchaser, no breach of
          fiduciary duty or any other failure to act or comply in
          connection with the administration or investment of the
          assets of any Purchaser Plan has occurred.  As of the date
          hereof, no charge, complaint, action, suit, proceedings,
          hearing, investigation, claim, or demand with respect to
          the administration or the investment of the assets of any
          Purchaser Plan (other than routine claims for benefits) is
          pending or, to the knowledge of Purchaser, threatened.

                              (e)  None of Purchaser or the Purchaser
               Subsidiaries contributes to any multiemployer plan, as
               defined in Section 3(37) of ERISA on behalf of employees
               or former employees of Purchaser or the Purchaser
               Subsidiaries.

                         3.12  Labor Relations.  Except as set forth in
               Section 3.12 of the Disclosure Schedule, none of Purchaser
               or the Purchaser Subsidiaries is a party to any collective
               bargaining agreement applicable to employees of Purchaser
               or the Purchaser Subsidiaries.  As of the date hereof, no
               labor organization or group of employees of Purchaser or
               any Purchaser Subsidiaries has made a demand for
               recognition or has filed a petition seeking a
               representation proceeding.  Except as set forth in Section
               3.12 of the Disclosure Schedule, Purchaser and the
               Purchaser Subsidiaries are, and for the preceding five
               years have been, in material compliance with all
               applicable laws respecting employment and employment
               practices, terms and conditions of employment and wages
               and hours and is not and, to the knowledge of Purchaser,
               has not engaged in any unfair labor practice which has had
               or is reasonably likely to have a Purchaser Material
               Adverse Effect, and, as of the date hereof, there is no
               labor strike, dispute, slowdown or stoppage actually
               pending or, to the knowledge of Purchaser, threatened
               against or affecting Purchaser or the Purchaser
               Subsidiaries.

                         3.13  Patents, Trademarks, Trade Names, Etc. 
               Section 3.13 of the Disclosure Schedule contains an
               accurate list of all patents, trademarks, service marks,
               trade names and copyrights and all applications therefor
               (collectively, "Purchaser Intellectual Property") used or
               owned by Purchaser or the Purchaser Subsidiaries which are
               material to Purchaser and the Purchaser Subsidiaries
               considered as a single enterprise, all applications
               therefor, and a list of all material licenses and other
               agreements relating thereto.  Except as set forth in
               Section 3.13 of the Disclosure Schedule, (i) the
               consummation of the transactions contemplated by this
               Agreement will not materially impair Purchaser's or any
               Purchaser Subsidiaries' right to use any such Purchaser
               Intellectual Property, (ii) no claims have been asserted
               by any person to the use of any such Purchaser
               Intellectual Property, or challenging or questioning the
               validity or effectiveness of any such license or
               agreement, which claims, if adversely decided, would have
               a Purchaser Material Adverse Effect and (iii) the use of
               such Purchaser Intellectual Property by Purchaser or the
               Purchaser Subsidiaries, as the case may be, and the
               conduct of the business of the Purchaser and the Purchaser
               Subsidiaries does not infringe in any material respect on
               the Intellectual  Property rights of any other person. 
               Purchaser's and the Purchaser Subsidiaries' rights in and
               to such Purchaser Intellectual Property are sufficient
               with respect to the Purchaser Intellectual Property to
               permit Purchaser to carry on its business in all material
               respects as presently conducted.  The Purchaser
               Intellectual Property has not been misappropriated from
               any third party.

                         3.14  Contracts.  Except as set forth in Section
               3.14 of the Disclosure Schedule, (i) each of the material
               contracts, agreements and understandings to which
               Purchaser or any of the Purchaser Subsidiaries is a party
               or by which any of its assets or operations may be bound
               is in full force and effect, except where the failure to
               be in full force and effect would not have a Purchaser
               Material Adverse Effect and (ii) there are no existing
               defaults by Purchaser or such Purchaser Subsidiary
               thereunder, nor, to the knowledge of Purchaser, is any
               other party in default thereof, which default would result
               in a Purchaser Material Adverse Effect.

                         3.15  Environmental Matters.  Except as set
               forth in Section 3.15 of the Disclosure Schedule, neither
               Purchaser nor any of the Purchaser Subsidiaries has, as of
               the date hereof, received any written notice alleging the
               present violation of any Environmental Laws which would
               result in a Purchaser Material Adverse Effect, and (i)
               Purchaser and the Purchaser Subsidiaries are, and for the
               preceding five years have been, in compliance with all
               Environmental Laws, (ii) Purchaser and the Purchaser
               Subsidiaries have obtained and are in compliance with all
               required governmental environmental permits with respect
               to the business of Purchaser and the Purchaser
               Subsidiaries as currently conducted, (iii) no hazardous
               waste, substance or material has been stored, treated or
               disposed of by Purchaser or the Purchaser Subsidiaries on
               the real estate owned by Purchaser or the Purchaser
               Subsidiaries, respectively, except in compliance with
               applicable Environmental Laws and (iv) Purchaser and the
               Purchaser Subsidiaries have lawfully disposed of their
               hazardous waste products with respect to the operations of
               its business except, in each case, where such failure to
               be in compliance or to obtain, store, treat or dispose of
               would not have a Purchaser Material Adverse Effect.

                         3.16  Insurance.  Purchaser and each of the
               Purchaser Subsidiaries maintain reasonable and adequate
               insurance covering the assets, employees and operations of
               Purchaser and the Purchaser Subsidiaries as of the date
               hereof.

                         3.17  Acquisition for Investment.  Purchaser is
               acquiring the Shares solely for its own account and not
               with a view to any distribution or other disposition of
               such Shares, and the Shares will not be transferred except
               in a transaction registered or exempt from registration
               under the Securities Act.

                         3.18  Financing.  Section 3.18 of the Disclosure
               Schedule contains a true and complete copy of a proposal
               letter executed by Purchaser and Wells Fargo Bank,
               National Association ("Wells Fargo"), dated October 13,
               1994, pursuant to which Wells Fargo has proposed, subject
               to certain conditions specified therein, to provide
               Purchaser with financing (the "Financing") in an amount
               sufficient, together with available cash or cash
               equivalents on hand, to enable Purchaser to consummate the
               transactions contemplated by this Agreement.

                         3.19  Stock Issuable to Parent or Seller.  The
               Purchaser Shares, when delivered as herein provided, will
               be validly issued, fully paid and non-assessable, and will
               not be subject to preemptive rights.  The Purchaser Shares
               shall be subject to the provisions of the Stockholders
               Agreement in the form attached hereto as Exhibit A (the
               "Stockholders Agreement").  Except for this Agreement and
               the Stockholders Agreement, and except under the
               Purchaser's stock option and savings plans, as of the date
               hereof, there are no subscriptions, options, warrants,
               calls, rights, contracts, commitments, understandings,
               restrictions or arrangements relating to the issuance,
               sale or transfer by Purchaser of any shares of its capital
               stock, including any rights of conversion or exchange
               under any outstanding securities or other instruments. 
               The Purchaser Shares shall be of a class registered under
               the Exchange Act and, at the time of their issuance, duly
               included for quotation on the NASDAQ National Market
               System.

                         3.20  Proxy Statement.  None of the information
               included or incorporated by reference in the Proxy
               Statement (as defined in Section 6.14) will, at the time
               of the mailing of the Proxy Statement and at the time of
               the Stockholder Action (as defined in Section 6.15),
               contain any untrue statement of a material fact or omit to
               state any material fact required to be stated therein or
               necessary in order to make the statements therein, in
               light of the circumstances under which they are made, not
               misleading; provided, however, such representation and
               warranty shall not apply to any information supplied in
               writing by Parent, Seller or the Company expressly for
               inclusion therein.  If at any time any event shall occur
               which is required to be described in the Proxy Statement,
               such event shall be so described, and an amendment or
               supplement shall be promptly filed with the SEC and, as
               required by law, disseminated to the stockholders of
               Purchaser and such amendment or supplement shall comply
               with all provisions of applicable law.

                         3.21  Officer and Director Shares.  Purchaser
               has advised Parent that its directors unanimously intend
               to recommend (subject to their fiduciary duties under
               applicable law) that Purchaser's stockholders vote in
               favor of the issuance of the Purchaser Shares to Seller in
               the Stockholders Action and that its directors and
               executive officers have agreed in writing to vote all of
               the shares of common stock of Purchaser held by them in
               favor of such issuance (and copies of such agreements have
               been provided to Parent).

                         3.22  No Brokers' or Other Fees.  No broker,
               finder or investment banker is entitled to any fee or
               commission in connection with the transactions
               contemplated hereby based upon arrangements made by or on
               behalf of Purchaser.

                                       ARTICLE IV

                           CONDITIONS TO SELLER'S OBLIGATIONS

                         The obligations of Parent and Seller to effect
               the Closing under this Agreement are subject to the
               satisfaction, at or prior to the Closing, of each of the
               following conditions, unless waived in writing by Parent
               or Seller.

                         4.1  Representations and Warranties.  The
               representations and warranties made by Purchaser in this
               Agreement shall be true and correct in all material
               respects on the Closing Date as though such
               representations and warranties were made at and as of such
               date, except for changes expressly permitted or
               contemplated by this Agreement.

                         4.2  Performance.  Purchaser shall have
               performed and complied in all material respects with all
               agreements, obligations and conditions required by this
               Agreement to be so performed or complied with by Purchaser
               prior to the Closing.

                         4.3  Officer's Certificate.  Purchaser shall
               have delivered to Parent, Seller and the Company a
               certificate, dated the Closing Date and executed by the
               President or a Vice President of Purchaser, certifying to
               the fulfillment of the conditions specified in Sections
               4.1 and 4.2 hereof.

                         4.4  No Changes.  There shall not have been a
               material adverse change in the assets, liabilities,
               financial condition or business of Purchaser since the
               date hereof.  The parties agree that such a material
               adverse change shall be deemed to have occurred if the
               Average Closing Price is less than $6.25.

                         4.5  Other Agreements.  Purchaser shall have
               delivered to Parent and Seller at the Closing executed
               copies of the Stockholders Agreement and the Services
               Agreement.

                         4.6  HSR Act.  All applicable waiting periods
               under the HSR Act with respect to the transactions
               contemplated hereby shall have expired or been terminated.

                         4.7  Injunctions.  On the Closing Date there
               shall be no injunction, writ, preliminary restraining
               order or other order in effect of any nature issued by a
               court or governmental agency of competent jurisdiction
               directing that the transactions provided for herein not be
               consummated as provided herein.

                         4.8  Nasdaq.  The Purchaser Shares shall have
               been authorized for inclusion on the Nasdaq National
               Market System, upon official notice of issuance.

                         4.9  Stockholder Approval.  The stockholders of
               Purchaser shall have approved the issuance of the
               Purchaser Shares and an increase in the authorized shares
               of Common Stock of Purchaser sufficient to enable
               Purchaser to issue the Purchaser Shares.

                         4.10  Consents.  Those governmental and third
               party consents identified in Section 4.10 of the
               Disclosure Schedule and necessary to effect the Closing or
               the transfer of the assets, liabilities or contract rights
               to the Company by Parent pursuant to the Assignment and
               Assumption Agreement, shall have been obtained. 

                         4.11  Actual or Threatened Litigation.  No
               governmental agency or private party shall have
               instituted, and no governmental agency shall have
               expressly stated in writing that it will institute, any
               action, suit or proceeding before any court or
               administrative body which seeks to enjoin, questions the
               legality of, or materially and adversely affects the
               consummation of the transactions contemplated by this
               Agreement.

                                        ARTICLE V

                          CONDITIONS TO PURCHASER'S OBLIGATIONS

                         The obligations of Purchaser to effect the
               Closing under this Agreement are subject to the
               satisfaction, at or prior to the Closing, of each of the
               following conditions, unless waived in writing by
               Purchaser.

                         5.1  Representations and Warranties.  The
               representations and warranties made by Parent and Seller
               in this Agreement shall be true and correct in all
               material respects on the Closing Date as though such
               representations and warranties were made at and as of such
               date, except for changes expressly permitted or
               contemplated by the terms of this Agreement.

                         5.2  Performance.  Parent and Seller shall have
               performed and complied in all material respects with all
               agreements, obligations and conditions required by this
               Agreement to be so performed or complied with by Parent
               and Seller prior to the Closing.

                         5.3  Officer's Certificate.  Parent and Seller
               shall have delivered to Purchaser a certificate, dated the
               Closing Date and executed by the President or a Vice
               President of Parent and Seller, certifying to the
               fulfillment of the conditions specified in Sections 5.1
               and 5.2 hereof.

                         5.4  Other Agreements.  Purchaser shall have
               delivered to Parent and Seller at the Closing executed
               copies of the Stockholders Agreement and the Services
               Agreement.

                         5.5  No Changes.  There shall not have been a
               material adverse change in the assets, liabilities,
               financial condition or business of the Company since the
               date hereof.

                         5.6  Resignation of Directors.  Seller shall
               have delivered to Purchaser the written resignations of
               all of the directors of the Company effective as of the
               Closing Date.

                         5.7  HSR Act.  All applicable waiting periods
               under the HSR Act with respect to the transactions
               contemplated hereby shall have expired or been terminated.

                         5.8  Injunctions.  On the Closing Date there
               shall be no injunction, writ, preliminary restraining
               order or other order in effect of any nature issued by a
               court or governmental agency of competent jurisdiction
               directing that the transactions provided for herein not be
               consummated as provided herein.

                         5.9  Stockholder Approval.  The stockholders of
               Purchaser shall have approved the issuance of the
               Purchaser Shares and an increase in the authorized shares
               of Common Stock of Purchaser sufficient to enable
               Purchaser to issue the Purchaser Shares.

                         5.10  Consents.  Those governmental and third
               party consents identified in Section 4.10 of the
               Disclosure Schedule and necessary to effect the Closing or
               the transfer of the Company's assets, labilities or
               contract rights to the Company by Parent pursuant to the
               Assignment and Assumption Agreement, shall have been
               obtained.

                         5.11  Financing.  At or prior to the Closing,
               Purchaser shall have obtained the Financing or financing
               not materially less favorable to Purchaser than the
               Financing or otherwise reasonably acceptable to Purchaser.

                         5.12  Actual or Threatened Litigation.  No
               governmental agency or private party shall have
               instituted, and no governmental agency shall have
               expressly stated in writing that it will institute, any
               action, suit or proceeding before any court or
               administrative body which seeks to enjoin, questions the
               legality of, or materially and adversely effects the
               consummation of the transactions contemplated by this
               Agreement.

                                       ARTICLE VI

                                COVENANTS AND AGREEMENTS

                         6.1  Conduct of Business.  

                         (1)  Parent and Seller covenant that, except (i)
               for actions taken to implement this Agreement and the
               transactions contemplated hereby, (ii) as disclosed in the
               Disclosure Schedule, (iii) for distributions of all of the
               Company's and the Subsidiaries' then cash balances to
               Parent or Seller immediately prior to the Closing or (iv)
               as consented to by Purchaser, from and after the date of
               this Agreement and until the Closing Date Parent and
               Seller shall:

                              (a)  use reasonable efforts consistent with
               good business judgment and past practice to:  (i) preserve
               intact the present business organization of, and maintain
               the property of, the Company and the Subsidiaries, (ii)
               keep available the services of those employees of the
               Company and the Subsidiaries having management
               responsibilities, (iii) preserve the present relationships
               of the Company and the Subsidiaries with entities or
               persons having business dealings with them and (iv)
               generally operate the Company and the Subsidiaries in the
               ordinary and regular course of business consistent with
               prior practices in all material respects;

                              (b)  refrain from (i) causing to be issued
               or sold any shares of capital stock or other securities of
               the Company or any Subsidiary or any options, warrants or
               commitments of any kind with respect thereto, (ii)
               directly or indirectly causing to be purchased, redeemed
               or otherwise acquired or disposed of any shares of capital
               stock of the Company or any Subsidiary; (iii) declaring,
               setting aside or paying any dividend or other distribution
               other than cash management procedures in the ordinary
               course of Seller's or the Company's business; (iv)
               permitting or allowing the Company or any Subsidiary to
               borrow or agree to borrow any funds or incur, whether
               directly or by way of guarantee, any obligation for
               borrowed money, other than in the ordinary course of
               business and consistent with past practice, (v) subjecting
               any of the property or assets of the Company or any
               Subsidiary (real, personal or mixed, tangible or
               intangible) to any material mortgage, pledge, lien or
               encumbrance or otherwise permitting or allowing the
               disposition of any material property or assets of the
               Company or any Subsidiary (real, personal or mixed,
               tangible or intangible), other than in the ordinary course
               of business and consistent with past practice, (vi) making
               any change in compensation payable or to become payable to
               any employee or in the benefits offered to any employee
               other than in the ordinary course of business, consistent
               with past practice or (vii) agreeing to do any of the
               foregoing; and

                              (c)  maintain the books and records of the
               Company and the Subsidiaries in accordance with prior
               practice.

                         (2)  Purchaser covenants that, except (i) for
               actions taken to implement this Agreement and the
               transactions contemplated hereby, (ii) as disclosed in the
               Disclosure Schedule, or (iii) as consented to by Parent,
               from and after the date of this Agreement and until the
               Closing Date Purchaser shall:

                              (a)  use reasonable efforts consistent with
               good business judgment and past practice to:  (i) preserve
               intact the present business organization of, and maintain
               the properties of, Purchaser, (ii) keep available the
               services of those employees of Purchaser having management
               responsibilities, (iii) preserve the present relationships
               of Purchaser with entities or persons having business
               dealings with it and (iv) generally operate Purchaser in
               the ordinary and regular course of business consistent
               with prior practices in all material respects;

                              (b)  refrain from (i) borrowing or agreeing
               to borrow any funds or incurring, whether directly or by
               way of guarantee, any obligation for borrowed money, other
               than in the ordinary course of business and consistent
               with past practice, (ii) subjecting any of the property or
               assets of Purchaser (real, personal or mixed, tangible or
               intangible) to any material mortgage, pledge, lien or
               encumbrance or otherwise permitting or allowing the
               disposition of any material property or assets of
               Purchaser (real, personal or mixed, tangible or
               intangible), other than in the ordinary course of business
               and consistent with past practice, (iii) making any change
               in compensation payable or to become payable to any
               employee or in the benefits offered to any employee other
               than in the ordinary course of business, consistent with
               past practice or (iv) agreeing to do any of the foregoing;
               and

                              (c)  maintain the books and records of
               Purchaser in accordance with prior practice.

                         6.2  Transaction Regarding Purchaser Common
               Stock.  Purchaser shall not, from and after the date
               hereof and prior to the Closing Date, (i) issue or agree
               to issue any additional shares of Common Stock or other
               securities of Purchaser or any options, warrants or
               commitments of any kind with respect thereto, except for
               (a) issuances pursuant to any presently outstanding stock
               option, warrant, convertible security or other right to
               purchase shares of Common Stock and (b) issuances pursuant
               to any existing employee benefit plan or other existing
               employee or director arrangement previously disclosed in
               writing to Parent, (ii) declare or pay any cash or stock
               dividend (other than regular quarterly cash dividends
               consistent with past practice) or other distribution or
               issue any rights with respect to the outstanding Common
               Stock or other equity securities, (iii) effect, with
               respect to the outstanding Common Stock, any merger,
               recapitalization, combination conversion, exchange of
               shares, issuance of shares or other transaction affecting
               the Common Stock or (iv) directly or indirectly purchase,
               redeem or otherwise acquire or dispose of any shares of
               capital stock of Purchaser.

                         6.3  Delivery of Periodic Reports.  From and
               after the date hereof and prior to the Closing Date,
               Purchaser shall deliver to Parent, copies of all
               registration statements and regular periodic reports, if
               any, which Purchaser shall file with the SEC (or any
               governmental agency substituted therefor).

                         6.4  Access to Books and Records.

                              (a)  Except as otherwise provided in
               Section 6.6, each party agrees that from the date hereof
               and for so long as any contracts between the Company and
               the Federal government or any agency thereof are subject
               to review by the Federal government or such agency, during
               normal business hours, such party will permit, at no
               charge, cost or expense to the other party and without
               disruption of such party's business, the other party
               hereto and its auditors and other representatives to have
               reasonable access to the properties, auditors and officers
               of the Company and to all books and records relating to
               the Company and to examine and take copies thereof.

                              (b)  Each party agrees not to destroy at
               any time any files or records which are subject to Section
               6.2(a) without giving reasonable notice to the other
               party, and within 30 days of receipt of such notice, such
               other party may cause to be delivered to it the records
               intended to be destroyed, at such other party's expense.

                              (c)  At the request of Parent, from time to
               time following the date hereof and prior to the Closing
               Date, Purchaser shall permit Parent and/or Seller, their
               officers, employees, accountants, counsel and other
               representatives, upon reasonable notice to Purchaser,
               access to the properties, auditors, officers and books and
               records of Purchaser as Parent may reasonably request.

                         6.5  Filings and Consents.  Each of Seller and
               Purchaser:  (a) shall promptly prepare and make any
               required filings under the HSR Act and (b) shall use all
               reasonable efforts to obtain and to cooperate in obtaining
               any consent, approval, authorization or order of, and in
               making any registration or filing with, any governmental
               agency or body or other third party required in connection
               with the execution, delivery or performance of this
               Agreement.  Seller and Purchaser will furnish to one
               another such necessary information and reasonable
               assistance as may be requested in connection with the
               preparation of filings or submissions under the HSR Act.

                         6.6  Tax Matters.

                              (a)  Liability of Parent and Seller for
               Taxable Periods Ending On or Before Closing Date.  Parent
               and Seller shall be liable for, and shall indemnify and
               hold Purchaser harmless against, all Taxes of, or payable
               by, the Company or the Subsidiaries for any taxable year
               or taxable period ending on or before the Closing Date,
               but only to the extent such Taxes exceed the amount of
               Taxes that have been reserved for on the Unaudited
               Special-Purpose Balance Sheet, and other than Taxes
               relating to operations, acts or omissions of Purchaser or
               the Company that occur after the Closing on the Closing
               Date.  Seller shall file all Tax Returns relating to the
               Company or the Subsidiaries for any taxable year ending on
               or before the Closing Date.  Seller shall determine the
               amount of taxable income of the Company and the
               Subsidiaries on the basis of its permanent records and
               consistent with the past income tax accounting methods
               utilized in preparing its prior income tax returns.  Such
               determination shall be binding on Parent, Seller and
               Purchaser to the extent allowable under applicable law. 
               Notwithstanding the foregoing, Parent and Seller shall
               have no liability for sales, use or other transfer taxes
               due by reason of the election to be made with respect to
               the transactions contemplated by this Agreement under
               Section 338(h)(10) of the Code (or any other election
               under any similar state or local statute).  

                              (b)  Liability of Purchaser for Taxable
               Periods Commencing After Closing Date.  Except as
               otherwise provided in Section 6.6(a), Purchaser and the
               Company shall be liable for, and shall indemnify and hold
               Parent and Seller and any of its affiliates harmless
               against, (i) any and all Taxes of, or payable by, the
               Company, the Subsidiaries and the Efratom Business Unit
               for any taxable year or taxable period commencing after
               the Closing Date, (ii) any sales, use, transfer or other
               similar Tax arising out of the transfer of the Shares or
               assets hereunder or the transfer of assets and liabilities
               to the Company by Parent or (iii) any Taxes relating to
               operations, acts or omissions of Purchaser, the Company or
               the Subsidiaries that occur after the Closing on the
               Closing Date (other than income taxes relating to the
               election under Section 338(h)(10) of the Code).  Purchaser
               shall file all Tax Returns relating to the Company or the
               Subsidiaries for any taxable year commencing after the
               Closing Date.

                              (c)  Taxable Period Commencing Before the
               Closing Date and Ending After the Closing Date.  Purchaser
               shall cause the Company to pay all Taxes of the Company,
               the Subsidiaries and the Efratom Business Unit for any
               taxable year or taxable period commencing before and
               ending after the Closing Date (the "Closing Period") and
               shall file all Tax Returns relating to the Closing Period. 
               Upon timely notice from the Purchaser, Seller shall pay to
               the Company prior to the date any payment for Taxes
               described in this subsection 6.6(c) is due an amount equal
               to the excess, if any, of (i) the Taxes that would have
               been due if the Closing Period had ended at the Closing,
               over (ii) the Taxes for the Closing Period which are
               described in this subsection 6.6(c) and which have been
               reserved for on the Unaudited Special-Purpose Balance
               Sheet or described in the supplemental information
               thereto.

                              (d)  Refunds or Credits.  Any refunds or
               credits of Taxes for which Parent or Seller is liable
               pursuant to Section 6.6(a) or (c) shall be solely for the
               account of Parent or Seller, and, to the extent that such
               refunds or credits are attributable to Taxes for which
               Purchaser is liable pursuant to Section 6.6(b) or (c),
               such refunds or credits shall be solely for the account of
               Purchaser.  Purchaser shall cause the Company promptly to
               forward to Parent or Seller or to reimburse Parent or
               Seller for any such refunds or credits due Parent or
               Seller after receipt thereof by either Purchaser or the
               Company, and Parent or Seller shall promptly forward to
               the Company or reimburse the Company for any refunds or
               credits due the Company after receipt thereof by Parent or
               Seller of such refunds or credits that are for the account
               of the Company hereunder.

                              (e)  Mutual Cooperation.  As soon as
               practicable, but in any event within 30 days after
               Seller's or Purchaser's request, as the case may be,
               Purchaser shall or shall cause the Company to deliver to
               Seller, or Seller shall deliver to Purchaser, such
               information and other data in the possession of Seller,
               Purchaser or the Company, as the case may be, relating to
               the Tax Returns and Taxes of the Company and the
               Subsidiaries, including such information and other data
               customarily required by Seller or Purchaser, as the case
               may be, to cause the payment of all Taxes or to permit the
               preparation of any Tax Returns for which it has
               responsibility or liability or to respond to audits by any
               taxing authorities with respect to any Tax Returns or
               Taxes for which it has any responsibility or liability
               under this Agreement or otherwise or to otherwise enable
               Seller or Purchaser, as the case may be, to satisfy its
               accounting or Tax requirements, and shall make available
               such knowledgeable employees of the Company or Seller, as
               the case may be, as Seller or Purchaser may reasonably
               request.  For a period of seven years after the Closing,
               and, if at the expiration thereof any Tax audit or
               judicial proceeding is in progress or the applicable
               statute of limitations has been extended, for such longer
               period as such audit or judicial proceeding is in progress
               or such statutory period is extended, each party shall,
               maintain and make available to the other, on reasonable
               request, copies of any and all information, books and
               records referred to in this Section 6.6(e).  After such
               period, any party may dispose of such information, books
               and records, provided that prior to such disposition such
               party shall give the other a reasonable opportunity to
               take possession of such information, books and records.

                              (f)  Contests.  Whenever any taxing
               authority asserts a claim, makes an assessment or
               otherwise disputes or affects the Tax reporting position
               of the Company or the Subsidiaries for periods ending on
               or prior to the Closing Date or the amount of Taxes for
               which Parent or Seller is or may be liable under this
               Agreement, Purchaser shall, promptly upon receipt by
               Purchaser or the Company of notice thereof, inform Parent
               or Seller, and Parent or Seller shall have the right to
               control any resulting proceedings and to determine whether
               and when to settle any such claim, assessment or dispute,
               but only to the extent such proceedings or determinations
               affect the Tax reporting position of the Company or the
               Subsidiaries for periods ending on or prior to the Closing
               Date or the amount of Taxes for which Seller is liable
               under this Agreement.  Whenever any taxing authority
               asserts a claim, makes an assessment or otherwise disputes
               the amount of Taxes for which Purchaser is liable under
               this Agreement, Parent or Seller shall, promptly upon
               receiving notice thereof, inform Purchaser.  Purchaser
               shall have the right to control any resulting proceedings
               and to determine whether and when to settle any such
               claim, assessment or dispute, but only to the extent such
               proceedings affect solely the amount of Taxes for which
               Purchaser is liable under this Agreement; provided that
               neither Parent nor Purchaser or its affiliates shall take
               any position on any Tax Return or in any contest or
               proceeding that is inconsistent with this Agreement or a
               position taken by Parent or Seller and its affiliates
               (including the Company and the Subsidiaries) with respect
               to Taxes incurred on or prior to the Closing Date.

                              (g)  Resolution of Disagreements Between
               Seller and Purchaser.  If Parent or Seller and Purchaser
               disagree as to the amount for which each is liable under
               this Section 6.6, Parent, Seller and Purchaser shall
               promptly consult with each other in an effort to resolve
               such dispute.  If any such point of disagreement cannot be
               resolved within 15 days of the date of consultation,
               Parent, Seller and Purchaser shall jointly select a
               Neutral Auditor to act as an arbitrator to resolve all
               points of disagreement concerning Tax accounting matters
               with respect to this Agreement.  If the parties cannot
               agree on the selection of a Neutral Auditor within 15
               days, then such Neutral Auditor shall be selected in
               accordance with the procedures set forth in Section
               1.4(d).

                              (h)  338 Election.  Seller and its
               affiliates and Purchaser shall on the Closing Date jointly
               complete and make an election on Form 8023 or in such
               other manner as may be required by rule or regulation of
               the Internal Revenue Service under Section 338(h)(10) of
               the Code, and shall jointly make an election in the manner
               required under any similar state or local statute as
               Seller shall designate or as shall be required, concerning
               the transactions contemplated by this Agreement.  Seller
               shall, with the assistance and cooperation of Purchaser,
               prepare all Section 338(h)(10) forms required as
               attachments to Form 8023 (or all forms under similar state
               or local law) in accordance with applicable Tax laws, and
               Seller shall deliver such forms and related documents to
               Purchaser at least 40 days prior to the due date of
               filing.  Purchaser shall deliver to Seller at least 20
               days prior to the due date of filing such completed forms
               as are reasonably requested by Seller and required to be
               filed under Section 338(h)(10) of the Code (or similar
               state or local law).  Purchaser and Seller shall use their
               best efforts to agree, as soon as practicable after
               Closing but in no event later than 60 days following the
               Closing Date, on the computation of the Modified Aggregate
               Deemed Sale Price ("MADSP") (as defined under Treasury
               Regulations) and the allocation of the MADSP among the
               assets as of the Closing Date.  Any disputed aspect of the
               MADSP shall be resolved in accordance with the dispute
               resolution procedure of Section 6.6(g) hereof.

                         6.7  WARN Act.  Purchaser and Seller agree that
               for purposes of the United States Worker Adjustment and
               Retraining Notification Act (the "WARN Act"), the Closing
               Date shall be the "effective date" as such term is used in
               the WARN Act.  Purchaser acknowledges and represents that
               it has no present intent to engage in a "mass layoff" or
               "plant closing" with respect to the Company as defined in
               the WARN Act.  Purchaser agrees that from and after the
               Closing Date it shall be responsible for any notification
               required under the WARN Act with respect to the Company
               and shall indemnify Parent and Seller and hold Parent and
               Seller harmless from and against all fines and other
               payments which may become due under the WARN Act with
               respect to the Company.

                         6.8  Supplements to Disclosure Schedule.  From
               time to time prior to the Closing, Parent, Seller and
               Purchaser will promptly supplement or amend the sections
               of the Disclosure Schedule relating to their respective
               representations and warranties in this Agreement with
               respect to any matter, condition or occurrence hereafter
               arising which, if existing or occurring at the date of
               this Agreement, would have been required to be set forth
               or described in their respective sections of the
               Disclosure Schedule.  Except with respect to a supplement
               or amendment not objected to in writing by the other party
               within five business days after receipt thereof, no
               supplement or amendment by either party shall be deemed to
               cure any breach of any representation or warranty made in
               this Agreement by such party or have any effect for the
               purpose of (i) determining satisfaction by Seller of the
               conditions set forth in Sections 5.1 and 5.2 hereof or the
               compliance by Seller with the covenant set forth in
               Section 6.1 hereof or (ii) determining satisfaction by
               Purchaser of the conditions set forth in Sections 4.1 and
               4.2 hereof or the compliance by Purchaser with the
               covenant set forth in Section 6.2 hereof.  Notwithstanding
               the foregoing, Purchaser may supplement its Disclosure
               Schedules for a period of five business days after the
               date hereof and, subject to Parent's right to terminate
               this Agreement pursuant to Section 7.1(g) hereof
               (including as a result of any disclosure contained in any
               such supplement), such supplement shall be deemed to cure
               any breach of the representation or warranty to which such
               supplement relates to the extent that, as so supplemented,
               such representation or warranty would have been true as of
               the date hereof.

                         6.9  Intercompany Indebtedness.  Immediately
               prior to the Closing Date, the Company shall extinguish
               without payment all indebtedness of Parent or Seller to
               the Company and of the Company to Parent or Seller and all
               cash balances of the Company and the Subsidiaries as of
               the close of business on the Closing Date shall be
               transferred to Seller or Parent.  The indebtedness of
               Efratom Germany to Parent outstanding as of the Closing
               shall remain outstanding and all of Parent's rights with
               respect to that portion of such indebtedness that remains
               outstanding as of the Closing shall be transferred to the
               Company at or before the Closing.

                         6.10  Covenant to Satisfy Conditions.  Each
               party agrees to use all reasonable efforts to insure that
               the conditions set forth in Article IV and Article V
               hereof are satisfied, insofar as such matters are within
               the control of such party.

                         6.11  Continuation of Employee Welfare and
               Retirement Benefits.

                              (a)  Purchaser covenants and agrees with
               Parent and Seller that immediately after the Closing Date,
               the Company shall employ all employees employed by the
               Company, the Subsidiaries or the Efratom Business Unit
               immediately prior to the Closing Date, including employees
               on leaves of absence or on short term disability ("Company
               Employees") and provide the Company Employees and their
               eligible dependents with welfare benefits and retirement
               and post-retirement benefits (which shall include any
               welfare benefits or retirement benefits required by
               applicable law or regulation or by any agreement with any
               Company Employee at Efratom Germany) no less favorable
               than the welfare benefits and retirement and post-
               retirement benefits provided by Purchaser to similarly
               situated employees of Purchaser; provided, however, that
               Purchaser shall provide severance and termination benefits
               to Company Employees for a period of not less than two (2)
               years and such benefits shall be no less favorable than
               those provided to such Company Employees immediately prior
               to the Closing Date as previously disclosed in writing to
               Purchaser.

                         All Company Employees shall be given full credit
               in determining participation, eligibility (including
               eligibility for subsidies), benefit accrual and vesting
               under any existing or newly established benefit plans and
               arrangements of the Company or Purchaser for the period
               during which he or she was employed by Parent, its
               affiliates, the Company or any predecessor of the
               foregoing to the extent that any similar benefit plan or
               arrangement of Parent or the Company uses length of
               service as a factor in determining participation, benefit
               accrual or vesting thereunder.

                              (b)  For purposes of computing deductible
               amounts (or similar adjustments with respect to coverage)
               under any employee welfare benefit plan (including,
               without limitation, any "employee welfare benefit plans"
               as defined in Section 3(3) or ERISA), expenses and claims
               previously recognized for similar purposes under the
               applicable welfare benefit plan of Seller, Parent, the
               Company or any affiliate shall be credited or recognized
               under any comparable plan maintained after the Closing
               Date by Purchaser or the Company.

                              (c)  From and after the Closing Date,
               Parent shall retain and be responsible for all obligations
               under any retirement plans maintained by Parent or Seller
               for the benefit of Company Employees.

                         6.12  Indemnity for Employee Covenants. 
               Purchaser agrees to indemnify and hold harmless Parent and
               Seller from and against any and all claims, proceedings,
               liabilities, damages, losses, fines, penalties, judgments,
               costs and expenses (including reasonable attorneys' fees)
               arising by reason of Purchaser's failure to pay, perform
               or satisfy its obligations in accordance with the terms of
               Section 6.11 hereof, including, but not limited to, any
               severance or termination payment claimed by any Company
               Employee.

                         6.13  Use of "Ball" Name.  Purchaser agrees not
               to use the "Ball" name, trade, trademark name or logo at
               any time after the Closing Date, except that for a period
               of up to six (6) months after the Closing Date, to the
               extent necessary despite Purchaser's good faith efforts,
               Purchaser may continue to display and use the "Ball" name
               and logo in connection with the Company solely on a
               transitional basis and only until appropriate measures can
               be promptly taken to discontinue such use.

                         6.14  Nasdaq.  Purchaser shall use its best
               efforts to have the Purchaser Shares authorized for
               inclusion on the Nasdaq National Market System, upon
               official notice of issuance, as promptly as practicable.

                         6.15  Proxy Statement; Stockholder Approval;
               Financial Statements.  (a) Purchaser, acting through its
               Board of Directors, shall (i) duly call, give notice of,
               convene and hold a special meeting of stockholders (the
               "Stockholders Action") as soon as practicable after the
               date hereof for the purpose of considering and taking
               action on the issuance of the Purchaser Shares in
               connection with the transactions contemplated by this
               Agreement, (ii) subject to its fiduciary duties under
               applicable law, include in the Proxy Statement distributed
               to its stockholders in connection with such Stockholders
               Action the recommendation of the Board of Directors of
               Purchaser that the stockholders of Purchaser approve the
               issuance of the Purchaser Shares in connection with the
               transactions contemplated by this Agreement and (iii)
               subject to its fiduciary duties under applicable law, use
               all reasonable efforts to obtain the necessary approvals
               by its stockholders for the issuance of the Purchaser
               Shares in connection with the transactions contemplated by
               this Agreement.  Purchaser will promptly prepare and file
               with the SEC a preliminary proxy statement and related
               materials and will use all reasonable efforts to cause the
               Proxy Statement and related materials to be mailed to
               stockholders of Purchaser as soon thereafter as possible.

                              (b)  Parent and/or Seller shall provide all
               information with respect to the Company, and its business,
               necessary for inclusion in the Proxy Statement.  In
               addition, Parent and/or Seller shall provide all necessary
               financial statements required for inclusion in the Proxy
               Statement and Current Report on Form 8-K to be filed by
               Purchaser after the Closing.  Such financial statements
               shall be audited to the extent required by the rules and
               regulations of the SEC.  

                         6.16  Consents to Assignment and Release of
               Certain Obligations.  Purchaser acknowledges that the
               assignment of certain contracts to the Company pursuant to
               the Assignment and Assumption Agreement requires the
               consent of third parties which have not yet been obtained
               as of the date hereof.  If any such consent is not
               obtained prior to the Closing and any closing condition
               with respect to such consent is waived by the parties
               hereto, Parent and Purchaser will cooperate, in all
               reasonable respects, to obtain such consent as soon as
               practicable and, until such consent is obtained, to
               provide to the Company the benefits under any contract to
               which such consent relates (with the Company and Purchaser
               responsible for all the liabilities and obligations
               thereunder).  In particular, in the event that any such
               consent is not obtained prior to Closing, then the Company
               and Parent shall enter into such arrangements (including
               subleasing or subcontracting if permitted) to provide to
               the parties the economic and operational equivalent of
               obtaining such consent and assigning such contract,
               including enforcement for the benefit of the Company all
               claims or rights arising thereunder, and the performance
               by the Company of the obligations thereunder.  Purchaser
               and the Company will use all reasonable efforts following
               the Closing Date to obtain the release of Parent and
               Seller from all obligations assigned by Parent or Seller
               to the Company pursuant to the Assignment and Assumption
               Agreement form which Parent and Seller have not been
               released prior to the Closing Date.

                         6.17  Assignments and Novations of Government
               Contracts.

                              (a)  Government Contracts.  As promptly as
               practicable, Parent, the Company and, if necessary,
               Purchaser will enter into a novation agreement or
               agreements with the United States Government or any other
               party with respect to the Government Contracts to the
               extent so required.  Parent, the Company and Purchaser
               will cooperate fully with each other and will use all
               reasonable efforts to obtain consents to the assignment,
               or the novation, of all such Government Contracts, and
               Parent, the Company and Purchaser hereby agree to use all
               reasonable efforts to obtain approvals of all required
               assignments or novations as promptly as practicable;
               provided, however, that nothing in this Agreement shall
               require Parent, the Company and Purchaser to pay any
               consideration or agree to any material modification of the
               terms of such Government Contracts in order to obtain any
               such consent, approval or novation.

                              (b)  Performance Under Nonassignee
               Contracts.  With respect to any Government Contract that
               is not assigned to the Company or novated on the Closing
               Date, the performance obligations of Parent thereunder
               shall, unless prohibited by such Government Contract, be
               subcontracted or delegated to the Company and Purchaser
               pursuant to the terms of a Subcontract Agreement in a form
               mutually acceptable to Purchaser and Parent (the
               "Subcontract Agreement").

                              (c)  Assignment After Closing.  If, after
               the Closing Date, Parent, the Company and Purchaser obtain
               the necessary consent or approval for the assignment or
               novation of a Government Contract for which an assignment
               or novation is required, then such Government Contract
               shall be deemed to be assigned and transferred to the
               Company promptly after Parent, the Company and Purchaser
               obtain such consent or approval or effect such a novation.

                              (d)  For purposes of this Agreement,
               "Government Contracts" means any bid, quotation, proposal,
               contract, agreement, work authorization, lease, commitment
               or sale or purchase order of the Efratom Business Unit,
               the Company or the Subsidiaries that is directly, or
               indirectly through one or more subcontracts, with the
               United States Government, or any state, local or foreign
               government, including, among other things, all contracts
               and work authorizations to supply goods and services to
               the United States Government, and "United States
               Government" means the United States Government including
               any agencies, commissions, branches, instrumentalities and
               departments thereof.

                         6.18  Exclusivity.  From and after the date
               hereof, none of the Parent, Seller, the Company or any
               Subsidiary will, directly or indirectly, solicit,
               initiate, or encourage the submission of or participate in
               any negotiations or discussions with respect to any
               proposal or offer from any person relating to the
               acquisition of the Efratom Business Unit, the Company or
               any Subsidiary (or all or substantially all of the assets
               thereof) including any acquisition structured as a merger,
               consolidation or share exchange.  Parent, Seller, the
               Company or any Subsidiary shall promptly notify Purchaser
               if any person makes any proposal, offer, inquiry, or
               contact with respect to any of the foregoing, and will
               furnish Purchaser with any information with respect
               thereto that Purchaser may reasonably request.

                                       ARTICLE VII

                                       TERMINATION

                         7.1  Termination.  This Agreement may be
               terminated and abandoned at any time prior to the Closing:

                              (a)  by the mutual consent of Parent and
               Purchaser;

                              (b)  by either Parent or Purchaser in the
               event the Closing has not occurred on or before March 31,
               1995 (the "Cut-Off Date"), unless the failure of such
               consummation shall be due to the failure of the party
               seeking to terminate this Agreement to comply in all
               material respects with the agreements and covenants
               contained herein to be performed by such party on or
               before the Cut-Off Date; 

                              (c)  by either Parent or Purchaser in the
               event any court or governmental agency of competent
               jurisdiction shall have issued an order, decree or ruling
               or taken any other action restraining, enjoining or
               otherwise prohibiting the transactions contemplated hereby
               and such order, decree or ruling or other action shall
               have become final and nonappealable; 

                              (d)  by either Parent or Purchaser in the
               event the stockholders of Purchaser do not approve the
               issuance of the Purchaser Shares; 

                              (e)  by Parent in the event that the
               Average Closing Price is less than $6.25;

                              (f)  by Parent if, within 60 days after the
               date hereof, Purchaser and Wells Fargo or any substitute
               lender have not entered into a binding credit agreement
               and any related agreements with respect to the Financing
               which provides for funding of the full amount of the
               Financing, subject only to the Closing, their being no
               material adverse change in Purchaser or the Efratom
               Business Unit and the completion of other customary
               documentation;

                              (g)  by Parent at any time within 45 days
               after the date hereof if Parent is not reasonably
               satisfied with the results of its due diligence
               investigation of Purchaser;

                              (h)  by Purchaser within 30 days of the
               date hereof if Purchaser is not reasonably satisfied with
               the results of its "Phase I" environmental survey of the
               properties of the Efratom Business Unit;

                              (i)  by Purchaser on or before the earlier
               of (i) four weeks after the date hereof or (ii) November
               11, 1994 if the first meeting between representatives of
               Purchaser and representatives of the Efratom Business
               Unit's largest customer occurs prior to November 11, 1994,
               if Purchaser is not reasonably satisfied with the status
               of the Efratom Business Unit's customer relationship with
               such customer based on the results of any such meeting.

                         7.2  Procedure and Effect of Termination.  In
               the event of the termination and abandonment of this
               Agreement by Parent or Purchaser pursuant to Section 7.1
               hereof, written notice thereof shall forthwith be given to
               the other party.  If the transactions contemplated by this
               Agreement are terminated as provided herein:

                              (a)  Each party will redeliver all
               documents, work papers and other material of any other
               party relating to the transactions contemplated hereby,
               whether so obtained before or after the execution hereof,
               to the party furnishing the same;

                              (b)  All confidential information received
               by Purchaser with respect to the business of Parent, the
               Company or Seller or Subsidiaries shall be treated in
               accordance with the provisions of the Confidentiality
               Agreement, dated as of June 24, 1994, between Purchaser
               and Lehman Brothers Inc. on behalf of Parent (the
               "Purchaser Confidentiality Agreement"), which shall
               survive the termination of this Agreement and all
               confidential information received by Parent, with respect
               to the business of Purchaser shall be treated in
               accordance with the provisions of the Confidentiality
               Agreement, dated as of September 23, 1994, between
               Purchaser and Parent (the "Parent Confidentiality
               Agreement") which shall survive the termination of this
               Agreement; and

                              (c)  No party to this Agreement will have
               any liability under this Agreement to the other except (i)
               as stated in subparagraphs (a) and (b) of this Section
               7.2; (ii) for any willful breach of any provision of this
               Agreement, (iii) as provided in the Confidentiality
               Agreement and (iv) as provided in the second sentence of
               Section 9.1 hereof.

                                      ARTICLE VIII

                                     INDEMNIFICATION

                         8.1  Indemnification.  None of the provisions of
               this Section 8.1 shall apply to the claims, obligations,
               liabilities, covenants and representations regarding
               Taxes, which shall be governed solely by the terms of
               Section 6.6.

                              (a)  Indemnification by Parent and Seller. 
               Subject to the limits set forth in this Section 8.1,
               Parent and Seller agree to indemnify, defend and hold
               Purchaser, its officers, directors, agents and affiliates,
               harmless from and in respect of any and all losses,
               damages, costs and reasonable expenses (including, without
               limitation, reasonable expenses of investigation and
               defense fees and disbursements of counsel and other
               professionals), in each case in excess of $10,000
               (collectively, "Losses"), that they may incur arising out
               of or due to any inaccuracy of any representation (without
               regard to any qualification as to "Material Adverse
               Effect" contained therein) or the breach of any warranty,
               covenant, undertaking or other agreement of Seller
               contained in this Agreement or the Disclosure Schedule;
               provided, however, that neither Parent nor Seller shall
               have any liability to Purchaser as a result of the breach
               of any representation or warranty to the extent that
               Purchaser knew that such representation or warranty was
               untrue or incorrect prior to the Closing Date.

                              (b)  Indemnification by Purchaser.  Subject
               to the limits set forth in this Section 8.1, Purchaser
               agrees to indemnify, defend and hold Parent and Seller,
               its officers, directors, agents and affiliates, harmless
               from and in respect of any and all Losses that they may
               incur (i) arising out of or due to any inaccuracy of any
               representation or the breach of any warranty (without
               regard to any qualification as to "Material Adverse
               Effect" contained therein), covenant, undertaking or other
               agreement of Purchaser contained in this Agreement or (ii)
               arising out of any and all actions, suits, claims and
               administrative or other proceedings of every kind and
               nature instituted or pending against Parent or Seller or
               any of their affiliates at any time before (if listed in
               Section 2.8 of the Disclosure Schedule as supplemented by
               Seller through the Closing Date) or after the Closing Date
               to the extent that such Losses (x) relate to or arise out
               of or in connection with the assets, businesses,
               operations, conduct, products and/or employees (including
               former employees) of the Company, the Subsidiaries or the
               Efratom Business Unit (including any Losses with respect
               to all of the agreements and obligations which are
               assigned to the Company pursuant to the Assignment and
               Assumption Agreement), whether relating to or arising out
               of or in connection with occurrences or omissions before
               or after the Closing Date and (y) do not constitute a
               breach of Parent's or Seller's representations and
               warranties (without regard to any qualifications as to
               "Material Adverse Effect" contained therein) in, or a
               default in the performance of any of Parent's or Seller's
               covenants under, this Agreement; provided, however, that
               Purchaser shall have no liability to Parent or Seller as a
               result of the breach of any representation or warranty to
               the extent that Parent or Seller knew that such
               representation or warranty was untrue or incorrect prior
               to the Closing Date.

                              (c)  Survival of Representations and
               Warranties.  The several representations and warranties of
               the parties contained in this Agreement or in any
               instrument delivered pursuant hereto will survive the
               Closing Date and will remain in full force and effect
               thereafter for a period of 18 months from the Closing
               Date; provided, however, that the representations and
               warranties contained in Section 2.11 and 3.10 shall
               survive for seven years after the Closing Date and the
               representations and warranties contained in Sections 2.2,
               2.3,  2.9, 3.2 and 3.8 shall survive indefinitely;
               provided, further, that such representations or warranties
               shall survive (if at all) beyond such period with respect
               to any inaccuracy therein or breach thereof, notice of
               which shall have been duly given within such applicable
               period in accordance with Section 8.1(d) hereof.  Anything
               to the contrary contained herein notwithstanding, neither
               party shall be entitled to recover from the other with
               respect to any inaccuracy or breach of any representation
               or warranty unless and until the total of all claims for
               indemnity or damages with respect to any inaccuracy or
               breach of any such representations or warranties, whether
               such claims are brought under this Section 8.1 or
               otherwise, exceeds $500,000 and then only for the amount
               by which such claims for indemnity or damages exceed
               $500,000; provided, however, that no party shall be
               entitled to recover from the other more than $15 million
               in the aggregate pursuant to this Section 8.1.

                              (d)  Notice and Opportunity to Defend.  If
               there occurs an event which a party asserts is an
               indemnifiable event pursuant to Section 8.1(a) or 8.1(b),
               the party seeking indemnification shall notify the other
               party obligated to provide indemnification (the
               "Indemnifying Party") promptly.  If such event involves
               (i) any claim or (ii) the commencement of any action or
               proceeding by a third person, the party seeking
               indemnification will give such Indemnifying Party prompt
               written notice of such claim or the commencement of such
               action or proceeding; provided, however, that the failure
               to provide prompt notice as provided herein will relieve
               the Indemnifying Party of its obligations hereunder only
               to the extent that such failure prejudices the
               Indemnifying Party hereunder.  In case any such action
               shall be brought against any party seeking indemnification
               and it shall notify the Indemnifying Party of the
               commencement thereof, the Indemnifying Party shall be
               entitled to participate therein and, to the extent that it
               shall wish, to assume the defense thereof, with counsel
               reasonably satisfactory to such party seeking
               indemnification and, after notice from the Indemnifying
               Party to such party seeking indemnification of such
               election so to assume the defense thereof, the
               Indemnifying Party shall not be liable to the party
               seeking indemnification hereunder for any legal expenses
               of other counsel or any other expenses subsequently
               incurred by such party in connection with the defense
               thereof.  The party seeking indemnification agrees to
               cooperate fully with the Indemnifying Party and its
               counsel in the defense against any such asserted
               liability.  The party seeking indemnification shall have
               the right to participate at its own expense in the defense
               of such asserted liability.  In no event shall an
               Indemnifying Party be liable for any settlement effected
               without its consent nor shall an Indemnifying Party settle
               any claim without the consent of the indemnified party,
               which consent shall not be unreasonably withheld.

                              (e)  Adjustment for Insurance and Taxes. 
               The amount which an Indemnifying Party is required to pay
               to, for or on behalf of any other party (hereinafter
               referred to as an "Indemnitee") pursuant to this Section
               8.1 shall be adjusted (including, without limitation,
               retroactively) (i) by any insurance proceeds actually
               recovered by or on behalf of such Indemnitee in reduction
               of the related indemnifiable loss (the "Indemnifiable
               Loss") and (ii) to take account of any tax benefit
               realized as a result of any Indemnifiable Loss.  Amounts
               required to be paid, as so reduced, are hereafter
               sometimes called an "Indemnity Payment."  If an Indemnitee
               shall have received or shall have had paid on its behalf
               an Indemnity Payment in respect of an Indemnifiable Loss
               and shall subsequently receive insurance proceeds in
               respect of such Indemnifiable Loss, or realize any tax
               benefit as a result of such Indemnifiable Loss, then the
               Indemnitee shall pay to the Indemnifying Party the amount
               of such insurance proceeds or tax benefit or, if lesser,
               the amount of the Indemnity Payment.

                                       ARTICLE IX

                                      MISCELLANEOUS

                         9.1  Fees and Expenses.  Except as set forth
               below, Seller shall bear its own expenses (and any
               expenses of the Company prior to Closing) and Purchaser
               shall bear its own expenses (and any expenses of the
               Company after Closing) in connection with the negotiation
               and consummation of the transactions contemplated by this
               Agreement and each of Seller and Purchaser shall bear the
               fees and expenses of any broker or finder retained by such
               party in connection with the transactions contemplated
               herein.  Notwithstanding the foregoing, in the event that
               this Agreement is terminated pursuant to Section 7.1(d) or
               pursuant to Section 7.1(b) and the condition set forth in
               Section 5.9 has not been satisfied or if this Agreement is
               terminated pursuant to Section 7.1(f) or pursuant to
               Section 7.1(b) and the condition set forth in Section 5.11
               has not been satisfied, then Purchaser shall promptly pay
               to Parent $400,000 cash. 

                         9.2  Governing Law.  This Agreement shall be
               construed under and governed by the laws of the State of
               Delaware without regard to the conflicts of laws
               provisions thereof.

                         9.3  Amendment.  This Agreement may not be
               amended, modified or supplemented except upon the
               execution and delivery of a written agreement executed by
               the parties hereto.

                         9.4  No Assignment.  Neither this Agreement nor
               any of the rights, interests or obligations hereunder
               shall be assigned by any party hereto without the prior
               written consent of the other parties hereto.

                         9.5  Waiver.  Any of the terms or conditions of
               this Agreement which may be lawfully waived may be waived
               in writing at any time by each party which is entitled to
               the benefits thereof.  Any waiver of any of the provisions
               of this Agreement by any party hereto shall be binding
               only if set forth in an instrument in writing signed on
               behalf of such party.  No failure to enforce any provision
               of this Agreement shall be deemed to or shall constitute a
               waiver of such provision and no waiver of any of the
               provisions of this Agreement shall be deemed to or shall
               constitute a waiver of any other provision hereof (whether
               or not similar) nor shall such waiver constitute a
               continuing waiver.

                         9.6  Notices.  All notices, requests, claims,
               demands and other communications hereunder shall be in
               writing and shall be given by delivery, by telex,
               telecopier or by mail (registered or certified mail,
               postage prepaid, return receipt requested) to the
               respective parties as follows:

                         If to Purchaser:

                              Datum Inc.
                              1363 South State College Blvd.
                              Anaheim, California  92806-5790
                              (714) 533-8772 (telecopier)
                              (714) 533-6333 (telephone)
                              Attention:  Mr. Louis B. Horwitz

                         with a copy to:

                              Stradling, Yocca, Carlson & Rauth
                              660 Newport Center Drive, Suite 1600
                              Newport Beach, CA  92660
                              (714) 725-4100 (telecopier)
                              (714) 725-4000 (telephone)
                              Attention:  Lawrence B. Cohn

                         If to Seller:

                              Efratom Holding, Inc.
                              9300 West 108th Circle
                              Broomfield, CO  80021
                              (303) 460-2674 (telecopier)
                              (303) 469-5511 (telephone)
                              Attention:  General Counsel

                         With a copy to:

                              Skadden, Arps, Slate, Meagher & Flom
                              333 West Wacker Drive
                              Chicago, Illinois  60606
                              (312) 407-0411 (telecopier)
                              (312) 407-0700 (telephone)
                              Attention:  Charles W. Mulaney, Jr.

               or to such other address as any party hereto may, from
               time to time, designate in a written notice given in like
               manner.

                         9.7  Complete Agreement.  This Agreement, the
               Purchaser Confidentiality Agreement, the Parent
               Confidentiality Agreement, the Stockholders Agreement and
               the other documents and writings referred to herein or
               delivered pursuant hereto or concurrently herewith contain
               the entire understanding of the parties with respect to
               the subject matter hereof and thereof and supersede all
               prior agreements and understandings, both written and
               oral, between the parties with respect to the subject
               matter hereof and thereof.  This Agreement shall be
               binding upon and shall inure to the benefit of the parties
               hereto and their respective successors and permitted
               assigns.

                         9.8  Counterparts.  This Agreement may be
               executed in one or more counterparts, all of which shall
               be considered one and the same agreement and each of which
               shall be deemed an original.

                         9.9  Publicity.  Parent and Purchaser will
               consult with each other and will mutually agree upon any
               publication or press release of any nature with respect to
               this Agreement or the transactions contemplated hereby and
               shall not issue any such publication or press release
               prior to such consultation and agreement except as may be
               required by applicable law or by obligations pursuant to
               any listing agreement with any securities exchange or any
               securities exchange regulation, in which case the party
               proposing to issue such publication or press release shall
               use reasonable efforts to consult in good faith with the
               other party before issuing any such publication or press
               release.

                         9.10  Headings.  The headings contained in this
               Agreement are for reference only and shall not affect in
               any way the meaning or interpretation of this Agreement.

                         9.11  Knowledge.  For purposes of this
               Agreement, the term "knowledge" means, with respect to
               Purchaser, the knowledge of any elected corporate
               executive officer of Purchaser and, with respect to
               Parent, Seller or the Company, the knowledge of any
               elected corporate executive officer of Parent or any
               officer having a title of vice president or higher of the
               Efratom Business Unit.

                         9.12  Severability.  Any provision of this
               Agreement which is invalid, illegal or unenforceable in
               any jurisdiction shall, as to that jurisdiction, be
               ineffective to the extent of such invalidity, illegality
               or unenforceability, without affecting in any way the
               remaining provisions hereof in such jurisdiction or
               rendering that or any other provision of this Agreement
               invalid, illegal or unenforceable in any other
               jurisdiction.

                         9.13  Third Parties.  Except as specifically set
               forth or referred to herein, nothing herein expressed or
               implied is intended or shall be construed to confer upon
               or give to any person or corporation, other than the
               parties hereto and their permitted successors or assigns,
               any rights or remedies under or by reason of this
               Agreement.

                         IN WITNESS WHEREOF, each of Purchaser, Parent
               and Seller have caused this Agreement to be executed by
               their duly authorized officers as of the day and year
               first above written.

                                             EFRATOM HOLDING, INC.

                                             By  /s/ DONALD C. LEWIS      
                                                Name:  Donald C. Lewis
                                                Title: Vice President and
                                                         Assistant Secretary

                                             BALL CORPORATION

                                             By /s/ R. DAVID HOOVER      
                                                Name:  R. David Hoover
                                                Title: Senior Vice President 
                                                         and Chief Financial 
                                                         Officer

                                             DATUM INC.

                                             By /s/ LOUIS B. HORWITZ     
                                                Name:  Louis B. Horwitz
                                                Title: Chairman and President



                                                      [CONFORMED COPY]
                          STOCKHOLDER'S AGREEMENT

          THIS STOCKHOLDER'S AGREEMENT (this "Agreement") is
     made as of the 17th day of March, 1995, by and between DATUM
     INC., a Delaware corporation (the "Company") and EFRATOM HOLDING,
     INC., a Colorado corporation ("Stockholder").

                              R E C I T A L S

          A.   The Company and Stockholder have entered into a Stock
     Purchase Agreement, dated as of October 20, 1994 (the "Stock
     Purchase Agreement"), pursuant to which, among other things, the
     Stockholder is receiving from the Company as part of the
     consideration for the sale of its wholly-owned subsidiaries,
     Efratom Time and Frequency Products, Inc. and Ball Efratom
     Electronik GmbH, an aggregate of 1,277,778 shares of Common
     Stock, $.25 par value, of the Company (the "Shares"); and

          B.   It is a condition to the obligations of the Company
     under the Stock Purchase Agreement that this Agreement be
     executed by the parties hereto, and the parties are willing to
     execute this Agreement and to be bound by the provisions hereof.

                             A G R E E M E N T

          NOW THEREFORE, in consideration of the foregoing and the
     agreements set forth below, the parties agree with each other, as
     follows:

          1.   Representations and Warranties.

               1.1  Stockholder's Representations and Warranties. 
     Stockholder represents and warrants to the Company that:

                    (a)  Stockholder is a corporation validly existing
     and in good standing under the laws of the State of Colorado;

                    (b)  Stockholder has the full power and authority
     to execute, deliver and carry out the terms and provisions of
     this Agreement and consummate the transactions contemplated
     hereby;

                    (c)  This Agreement has been duly and validly
     authorized, executed and delivered by Stockholder, and, assuming
     due execution and delivery by the Company, constitutes a valid
     and binding agreement of Stockholder, enforceable against
     Stockholder in accordance with its terms, except to the extent
     that such enforceability may be limited by bankruptcy,
     insolvency, reorganization, moratorium or other similar laws now
     or hereafter in effect affecting creditors' rights; and

                    (d)  The execution and delivery of this Agreement
     and the consummation of the transactions contemplated hereby will
     not result in the breach of any of the terms or conditions of,
     constitute a default under or violate, or accelerate any other
     similar right of any other party under, the charter or by-laws of
     Stockholder, any law, rule or regulation, or any agreement,
     lease, mortgage, note, bond, indenture, license or other document
     or undertaking, to which Stockholder is a party or by which
     Stockholder or its properties may be bound, nor will such
     execution, delivery and consummation violate any order, writ,
     injunction or decree of any court, administrative agency or
     governmental body to which Stockholder or any of its properties
     is subject, the effect of any of which either individually or in
     the aggregate, would materially impair the ability of Stockholder
     to perform its obligations hereunder.

               1.2  The Company's Representations and Warranties.  The
     Company represents and warrants to Stockholder that:

                    (a)  The Company is a corporation validly existing
     and in good standing under the laws of the State of Delaware;

                    (b)  The Company has the full power and authority
     to execute, deliver and carry out the terms and provisions of
     this Agreement and consummate the transactions contemplated
     hereby;

                    (c)  This Agreement has been duly and validly
     authorized, executed and delivered by the Company, and, assuming
     due execution and delivery by Stockholder, constitutes a valid
     and binding agreement of the Company, enforceable against the
     Company in accordance with its terms, except to the extent that
     such enforceability may be limited by bankruptcy, insolvency,
     reorganization, moratorium or other similar laws now or hereafter
     in effect affecting creditors' rights; and

                    (d)  The execution and delivery of this Agreement
     and the consummation of the transactions contemplated hereby will
     not result in the breach of any of the terms or conditions of,
     constitute a default under or violate, or accelerate any other
     similar right of any other party under, the charter or by-laws of
     the Company, any law, rule or regulation, or any agreement,
     lease, mortgage, note, bond, indenture, license or other document
     or undertaking, to which the Company is a party or by which the
     Company or its properties may be bound, nor will such execution,
     delivery and consummation violate any order, writ, injunction or
     decree of any court, administrative agency or governmental body
     to which the Company or any of its properties is subject, the
     effect of any of which either individually or in the aggregate,
     would have a material adverse effect on the consolidated
     operations or consolidated financial position of the Company and
     its subsidiaries taken as a whole.

          2.   Board of Directors.

          Upon closing of the transaction contemplated by the Stock
     Purchase Agreement, the Company will promptly amend its bylaws to
     increase the size of its Board of Directors to eight directors
     and appoint two persons (who shall be reasonably acceptable to
     the Company) named by Stockholder to the Company's Board of
     Directors.  One such person shall be a Class III director whose
     term shall expire on the date of the Company's Annual Meeting in
     1996 and the other such person shall be a Class I director whose
     term shall expire on the date of the Company's Annual Meeting in
     1997.  At any time after the appointment of such two persons,
     Stockholder may name a third person (who shall be reasonably
     acceptable to the Company) who shall be appointed by the Company
     to the Board of Directors as a Class II director.  After such
     initial appointments, the Company agrees to nominate such persons
     (or such other persons designated by Stockholder and reasonably
     acceptable to the Company) for reelection as such persons' terms
     expire.  In connection with any election of members of the Board
     of Directors, the Company will use its best efforts to cause such
     persons to be elected as directors and shall cause all
     discretionary proxies solicited on behalf of and granted to the
     Board of Directors in connection with such election to be voted
     in favor of the Stockholder's designees selected in accordance
     with this Section 2.  Such persons are referred to herein as
     "Stockholder's Directors."  In the event of the resignation or
     other termination of service of a Stockholder Director, the
     Company shall appoint or nominate for reelection, as the case may
     be, another designee of Stockholder (who shall be reasonably
     acceptable to the Company).

          The number of Stockholder's Directors shall be adjusted upon
     any change in the authorized number of directors or changes in
     the percentage of the outstanding Voting Securities (as defined
     below) of the Company represented by the Shares.  In such events,
     the number of Stockholder's Directors shall equal the number
     (rounded to the closest whole number, with .5 being rounded to
     the next higher whole number) of individuals (who shall be
     reasonably acceptable to the Company) determined by multiplying
     the total number of authorized directors times the percentage of
     the outstanding Voting Securities of the Company represented by
     the Shares then owned by Stockholder.  The Stockholder's
     Directors designated pursuant to this Section 2 shall be
     allocated as equally as possible among the three classes of the
     Company's Board of Directors.

          Notwithstanding the foregoing, so long as Stockholder owns
     50% or more of the Shares, the number of Stockholder Directors
     shall be no less than two and so long as Stockholder owns five
     percent (5%) or more of the then outstanding Voting Securities,
     the number of Stockholder Directors shall be no less than one. 
     If Stockholder owns less than five percent (5%) of the then
     outstanding Voting Securities of the Company then the number of
     Stockholder's Directors shall be zero.  For the purposes of the
     foregoing the number of Shares held by Stockholder shall be
     adjusted for stock splits, stock dividends, and other
     recapitalizations).  To the extent the foregoing results in the
     number of Stockholder Directors then serving exceeding the number
     of Stockholder Directors to which Stockholder is entitled,
     Stockholder shall cause the resignation of one or more
     Stockholder Directors so that the aggregate number of Stockholder
     Directors then serving does not exceed the number to which
     Stockholder is entitled to hereunder.   Stockholder's rights
     under this Section 2 are non-transferable, including by way of a
     transfer of controlling interest in Stockholder; provided,
     however, that Stockholder may transfer such rights to Ball
     Corporation or a direct or indirect wholly-owned subsidiary of
     Ball Corporation.

          3.   Restriction on Purchase of Additional Shares,
     Solicitations.

               3.1  Restriction on Purchase.  Neither Stockholder nor
     any Affiliate (as defined below) of Stockholder (collectively,
     the "Stockholder Group"), will, directly or indirectly, acquire
     shares of any class of the Company's capital stock which is
     entitled to vote generally in the election of directors ("Voting
     Securities") (except by way of stock dividends or other
     distributions or offerings made available to holders of Voting
     Securities generally), provided that no member of the Stockholder
     Group shall be obligated to dispose of any Voting Securities if
     the aggregate percentage ownership of the Stockholder Group is
     increased as a result of a recapitalization of the Company, stock
     repurchase by the Company or any other action taken by the
     Company or its Affiliates other than the Stockholder Group.  For
     purposes of this Agreement, "Affiliate" of Stockholder shall mean
     any person (i) that owns, directly or indirectly, more than 50%
     of the then outstanding equity securities having the right to
     vote generally in the election of directors ("Stockholder Voting
     Securities") of Stockholder or (ii) that more than 50% of then
     outstanding Voting Securities of which are owned, directly or
     indirectly, by Stockholder.

               3.2  Exceptions.  The foregoing restrictions shall not
     apply (i) in connection with the consummation of the transactions
     contemplated by the Stock Purchase Agreement, (ii) to stock
     dividends stock splits or other like distributions made with
     respect to the Shares held by Stockholder, (iii) during the
     pendency pursuant to Section 14(d) of the Securities Exchange Act
     of 1934 (the "Exchange Act") of a bona fide, fully financed
     tender offer by any Person (as defined in Section 3(a) of the
     Exchange Act) (other than the Company or its affiliates or any
     employee benefit plan of the Company), if upon the consummation
     of such tender offer such Person would beneficially own more than
     30% of the Company's Voting Securities, (iv) in the event that
     any Person (other than Stockholder or its affiliates, the Company
     or any employee benefit plan of the Company) becomes a beneficial
     owner of more than 30% of the Company's then outstanding Voting
     Securities or proposes to become such a beneficial owner and such
     proposal is approved by or recommended by a majority of the Board
     of Directors (excluding the Stockholder Directors) of the
     Company, (v) in the event that the Company has entered into a
     definitive merger agreement or a definitive agreement for the
     sale of all or substantially all of its assets, or (vi) or to any
     transaction with the prior approval of a majority of the Board of
     Directors (excluding the Stockholder Directors).  In addition, if
     any action by the Company causes the ownership of Voting
     Securities by Stockholder to be less than the percentage
     ownership of the outstanding Voting Securities immediately prior
     to such action, the foregoing restrictions shall not apply to any
     acquisitions of Voting Securities by Stockholder to the extent,
     and only to the extent, necessary for Stockholder to maintain its
     percentage ownership of Voting Securities at the level it had
     immediately prior to such action.

               3.3  Solicitations.  No member of the Stockholder Group
     shall solicit proxies or become a "participant" in a
     "solicitation" (as such terms are defined in Regulation 14A under
     the Exchange Act), or enter into any agreement with any person
     for the purpose of voting any Voting Securities, in either case
     in opposition to the recommendation of the majority of the
     directors of the Company with respect to any election of
     directors of the Company; provided that the nominees for any such
     election to the board include designees of the Stockholder in
     accordance with Section 2 hereof.  Nothing in this Section 3
     shall prevent the Stockholder from voting any shares held by it
     in opposition to the recommendation of the majority of the
     directors of the Company on any matter, including the election of
     directors.

               3.4  Termination.  The provision of this Section 3
     shall terminate on the earlier of (i) the fifth anniversary
     hereof or (ii) the date that Stockholder first owns less than 5%
     of the then outstanding Voting Securities of the Company.

          4.   Demand Registration Rights.

               4.1  Right to Demand.  With respect to any Shares that
     are deemed "Restricted Securities" under the Securities Act of
     1933 (the "Act") (the "Registrable Securities"), Stockholder,
     and/or any transferee to whom Stockholder has transferred rights
     to demand registration hereunder, who own, in the aggregate, in
     excess of 250,000 shares of Registrable Securities may make a
     written request to the Company for registration with the
     Securities and Exchange Commission (the "Commission"), under and
     in accordance with the provisions of the Act, of no less than
     250,000 Registrable Securities (a "Demand Registration") provided
     that no registration statement filed hereunder shall be required
     to become effective prior to four (4) months from the date of
     this Agreement.  Within ten (10) days after receipt of such
     request, the Company will serve written notice (the "Notice") of
     such registration request to all holders of Registrable
     Securities issued by the Company, and subject to such request the
     Company will include in such registration all Registrable
     Securities with respect to which the Company has received written
     requests for inclusion therein within twenty (20) days after the
     mailing of the Notice by the Company.  The Company shall not be
     required to comply with a request for a Demand Registration for
     four (4) months after the effective date of any registration
     statement filed by the Company under the Act, other than
     registration statements on Form S-8 or Form S-4.  The Company
     shall have the right to defer for a reasonable period (not to
     exceed 90 days) the filing of any registration statement
     requested under Section 4.1 if, in the reasonable judgment of the
     Company's Board of Directors, such registration would materially
     interfere with or materially and adversely affect any then
     existing negotiations for financing or other business
     arrangements or plans of the Company or any arrangement or plan
     of the Company, then pending or being negotiated in good faith,
     relating to any acquisition, disposition, merger or similar
     transaction or other significant business transaction.

               4.2  Number of Demand Registrations.  The holders of
     Registrable Securities shall be entitled to three (3) Demand
     Registrations, but no more than one (1) in any four-month period,
     the expenses of which shall only be borne by the Company to the
     extent set forth in Section 8.  The Company shall not be deemed
     to have effected a Demand Registration with respect to the
     Registrable Securities unless after a request for a Demand
     Registration pursuant hereto, (i) a registration statement with
     respect to some or all of the Registrable Securities is declared
     effective by the Commission and remains effective for a period of
     at least 90 days (or such shorter period during which the holders
     of Registrable Securities shall have sold all Registrable
     Securities which they requested to be registered) or (ii) the
     holders of Registrable Securities decide not to proceed with the
     offering of Shares after a Demand Registration request has been
     made by such holders, for any reason, and do not reimburse the
     Company for all of its costs and expenses incurred in fulfilling
     its obligations hereunder as a result of such Demand Registration
     request.

               4.3  Selection of Underwriters.  If a Demand
     Registration is an underwritten offering, holders of more than
     50% of the Registrable Securities to be registered shall select
     the managing underwriter or underwriters for such offering, which
     underwriter or underwriters shall be reasonably acceptable to the
     Company.

               4.4  Best Efforts.  The Company will use its best
     efforts to cause the effectiveness of a registration filed with
     respect to a Demand Registration, including making management
     reasonably available to participate in any road show deemed
     necessary by the managing underwriter.

          5.   Piggy-Back Registration.

               5.1  Piggy-Back Right.  If the Company proposes to file
     a registration statement under the Act with respect to an
     offering for its own account or for the account of others of any
     class of equity security (other than a registration statement (i)
     on Form S-4 or S-8 (or any successor form), or (ii) filed in
     connection with an exchange offer or an offering of securities
     solely to the Company's existing stockholders), then the Company
     shall in each case give written notice of such proposed filing to
     holders of Registrable Securities, at least twenty (20) days
     before the anticipated filing date and offer such holders the
     opportunity to register such Registrable Securities in such
     offering, in accordance with the terms of such offering.

               5.2  Procedure For Registration.  Those holders of
     Registrable Securities who desire to have such shares included in
     the registration for such offering shall notify the Company
     promptly (and in no event later than ten (10) days after notice)
     of their desire to include such shares in the registration
     statement.  The Company shall use its best efforts to cause the
     managing underwriter of a proposed underwritten offering to
     permit the holders of Registrable Securities who request to be
     included in the registration for such offering to include such
     shares in such offering on the same terms and conditions as any
     similar securities of the Company included therein. 
     Notwithstanding the foregoing, if the managing underwriter of
     such offering delivers an opinion to each holder of Registrable
     Securities wishing to include any Registrable Securities in such
     registration that the total amount or kind of securities which
     the Company or any other person or entity intend to include in
     such offering is sufficiently large or different to affect
     materially and adversely the success of such offering, then the
     amount or kind of securities to be offered for the accounts of
     holders of Registrable Securities other than holders of
     Registrable Securities who have requested a Demand Registration
     shall be reduced pro rata based on the number of shares requested
     to be included in the offering by the holders of Registrable
     Securities, and any such other persons or entities (other than
     the Company) to the extent necessary to reduce the total amount
     of securities to be included in such offering to the amount
     recommended by such managing underwriter.  The Company may, in
     its discretion, cancel any registration statement in which
     Registrable Securities are included under this Section 5 which is
     not effected pursuant to Section 4.  The Company shall not be
     subject to cut-back under this Section 5.

          6.   Holdback Agreements.

               6.1  Restrictions on Public Sale by Stockholder.  To
     the extent not inconsistent with applicable law, each holder of
     Registrable Securities included in a Registration Statement
     agrees not to effect any public sale or distribution of the issue
     being registered or a similar security of the Company or any
     securities convertible into or exchangeable or exercisable for
     such securities, during the seven days prior to, and during the
     ninety (90) day period beginning on, the effective date of such
     registration statement (except as part of such registration), if
     and to the extent requested in writing (with reasonable prior
     notice) by the Company in the case of a non-underwritten public
     offering by the Company, or if and to the extent requested in
     writing (with reasonable prior notice) by the managing
     underwriter in the case of an underwritten public offering by the
     Company.

          7.   Registration Procedures.

               Whenever any Registrable Securities are to be
     registered pursuant to Sections 4 or 5 of this Agreement, the
     Company will use its best efforts to effect the registration and
     the sale of such stock in accordance with the intended method of
     disposition thereof as quickly as practicable, and in connection
     with any such request and with any Demand Registration, the
     Company will as expeditiously as possible:

               (a)  prepare and file with the Commission a
     registration statement which includes the Registrable Securities
     and use its best efforts to cause such registration statement to
     become effective; provided that before filing a registration
     statement or prospectus or any amendments or supplements thereto,
     including documents incorporated by reference after the initial
     filing of the registration statement, the Company will furnish to
     one counsel selected by the holders of a majority of the
     Registrable Securities covered by such registration statement and
     the underwriters, if any, and their counsel, copies of all such
     documents proposed to be filed at least five (5) business days
     prior thereto, which documents will be subject to the reasonable
     review of such counsel and underwriters, and the Company will not
     file any registration statement or amendment thereto or any
     prospectus or any supplement thereto (including such documents
     incorporated by reference) to which the holders of a majority of
     the Registrable Securities covered by such registration statement
     or the underwriters with respect to such Registrable Securities,
     if any, shall reasonably object, and will notify each holder of
     the Registrable Securities of any stop order issued or threatened
     by the Commission in connection therewith and take all reasonable
     actions required to prevent the entry of such stop order or to
     remove it if entered;

               (b)  prepare and file with the Commission such
     amendments and post-effective amendments to the registration
     statement as may be necessary to keep the registration statement
     effective for a period of not less than ninety (90) days (or such
     shorter period which will terminate when all Registrable
     Securities covered by such registration statement have been sold
     or withdrawn); cause the prospectus to be supplemented by any
     required prospectus supplement, and as so supplemented to be
     filed pursuant to Rule 424 under the Act; and comply with the
     provisions of the Act applicable to it with respect to the
     disposition of all securities covered by such registration
     statement during the applicable period in accordance with the
     intended methods of disposition by the sellers thereof set forth
     in such registration statement or supplement to the prospectus;

               (c)  furnish to counsel for the holders of Registrable
     Securities included in such registration statement and the
     managing underwriter, if any, without charge, at least two signed
     copies of the registration statement and any post-effective
     amendment thereto, upon request, and such number of conformed
     copies thereof and such number of copies of the prospectus
     (including each preliminary prospectus) and any amendments or
     supplements thereto, and any documents incorporated by reference
     therein, as such counsel or underwriter may reasonably request in
     order to facilitate the disposition of the Registrable Securities
     being sold by such holder; provided that before filing a
     registration statement or prospectus or any amendments or
     supplements thereto, the Company will furnish to one counsel
     selected by the holders of a majority of the Registrable
     Securities covered by such registration statement, copies of all
     documents proposed to be filed, which documents will be subject
     to the reasonable review of such counsel;

               (d)  notify each holder of Registrable Securities
     included in such registration statement, at any time when a
     prospectus relating thereto is required to be delivered under the
     Act, when the Company becomes aware of the happening of any event
     as a result of which the prospectus included in such registration
     statement (as then in effect) contains any untrue statement of a
     material fact or omits to state a material fact necessary to make
     the statements therein, in light of the circumstances under which
     they were made, not misleading and, as promptly as possible
     thereafter, prepare and file with the Commission and furnish a
     supplement or amendment to such prospectus so that, as thereafter
     delivered to the purchasers of such Registrable Securities, such
     prospectus will not contain any untrue statement of a material
     fact or omit to state a material fact necessary to make the
     statements therein, in light of the circumstances under which
     they were made, not misleading;

               (e)  as promptly as practicable after the filing with
     the Commission of any document which is incorporated by reference
     into a registration statement, deliver a copy of such document to
     each holder of Registrable Securities covered by such
     registration statement;

               (f)  on or prior to the date on which the registration
     statement is declared effective, use its best efforts to register
     or qualify the Registrable Securities covered by the registration
     statement for offer and sale under the securities or blue sky
     laws of each state and other jurisdiction of the United States as
     any such holder or underwriter reasonably requests in writing,
     and to cooperate with the holders of Registrable Securities
     included in such registration statement, the underwriter, if any,
     and their counsel, in connection therewith; to use its best
     efforts to keep each such registration or qualification
     effective, including through new filings, or amendments or
     renewals, during the period such registration statement is
     required to be kept effective;

               (g)  cooperate with the holders of Registrable
     Securities covered by the registration statement and the managing
     underwriter, if any, to facilitate the timely preparation and
     delivery of certificates (not bearing any restrictive legends)
     representing securities to be sold under the registration
     statement, and enable such securities to be in such denominations
     and registered in such names as the managing underwriter, if any,
     may request;

               (h)  enter into such customary agreements (including an
     underwriting agreement in customary form) and take all such other
     actions as the holders of a majority of the Registrable
     Securities being sold or the managing underwriter, if any,
     reasonably request in order to expedite or facilitate the
     disposition of such Registrable Securities;

               (i)  make available for inspection by any holder of
     Registrable Securities included in such Registration Statement,
     any underwriter participating in any disposition pursuant to such
     registration statement, and any attorney, accountant or other
     agent retained by such seller or underwriter (collectively, the
     "Inspectors"), all financial and other records, pertinent
     corporate documents and properties of the Company (collectively,
     the "Records"), as shall be reasonably necessary to enable them
     to exercise their due diligence responsibility, and cause the
     Company's officers, directors and employees to supply all
     information reasonably requested by any such Inspector in
     connection with such registration statement; provided that
     records which the Company determines, in good faith, to be
     confidential and which it notifies the Inspectors are
     confidential shall not be disclosed to the Inspectors unless (i)
     the disclosure of such Records is necessary to avoid or correct a
     misstatement or omission in the registration statement, or (ii)
     the release of such Records is ordered pursuant to a subpoena or
     other order from a court of competent jurisdiction.  Each holder
     of Registrable Securities agrees that it will, upon learning that
     disclosure of such Records is sought in a court of competent
     jurisdiction, allow the Company to undertake appropriate action
     and to prevent disclosure of the Records deemed confidential; and

               (j)  use its best efforts to obtain a "comfort" letter
     from the Company's independent public accountants in customary
     form and covering such matters of the type customarily covered by
     "comfort" letters as the holders of a majority of the Registrable
     Securities being sold reasonably request.

               Each holder, upon receipt of any notice from the
     Company of the happening of any event of the kind described in
     subsection (d) of this Section 7, will immediately discontinue
     disposition of the Registrable Securities until its receipt of
     the copies of the supplemented or amended prospectus contemplated
     by subsection (d) of this Section 7 or until it is advised in
     writing (the "Advice") by the Company that the use of the
     prospectus may be resumed, and has received copies of any
     additional or supplemental filings which are incorporated by
     reference in the prospectus, and, if so directed by the Company
     such holder will, or will request the managing underwriter, if
     any, to deliver to the Company (at the Company's expense) all
     copies, other than permanent file copies then in such holder's
     possession, of the prospectus covering such Registrable
     Securities current at the time of receipt of such notice.  In the
     event the Company shall give any such notice, the time periods
     mentioned in subsection (b) of this Section 7 shall be extended
     by the number of days during the period from and including the
     date of the giving of such notice to and including the date when
     each seller of Registrable Securities covered by such
     registration statement shall have received the copies of the
     supplemented or amended prospectus contemplated by subsection (d)
     of this Section 7 hereof or the Advice.

          8.   Registration Expenses.

               The Company will bear all Commission and securities
     exchange or National Association of Securities Dealers, Inc.
     registration and filing fees, fees and expenses of compliance
     with securities or blue sky laws, printing expenses, messenger
     and delivery expenses, internal expenses (including, without
     limitation, all salaries and expenses of its officers and
     employees performing legal or accounting duties), the fees and
     expenses incurred in connection with the listing of the
     securities to be registered on each securities exchange on which
     similar securities issued by the Company are then listed, fees
     and disbursements of counsel for the Company and its independent
     certified public accountants (including the expenses of any
     special audit or "comfort" letters required by or incident to
     such performance), securities acts liability insurance (if the
     Company elects to obtain such insurance), the reasonable fees and
     expenses of any special experts retained by the Company in
     connection with such registration, and all fees and expenses of
     other Persons retained by the Company.  The holders of
     Registrable Securities shall pay for all fees and expenses
     incurred with respect to any separate counsel, advisors or
     accountants retained by such holders in connection with the
     exercise of a registration right hereunder, together with any
     underwriting discounts or commissions attributable to the sale of
     Registrable Securities.  The Company and the holders of
     Registrable Securities shall be responsible for their respective
     expenses even if the registration statement with respect thereto
     is not declared effective.

          9.   Indemnification; Contribution.

               9.1  Indemnification by the Company.  The Company
     agrees to indemnify, protect and hold harmless, to the full
     extent permitted by law, each holder of Registrable Securities
     and each underwriter of Registrable Securities being sold by such
     holder, its officers, directors, employees and agents, and any
     agent or investment adviser of such holder or underwriter,
     against all losses, claims, damages, liabilities and expenses
     (including reasonable legal expenses and expenses of
     investigation) arising out of or based on any untrue or allegedly
     untrue statement of material fact contained in any registration
     statement, prospectus or preliminary prospectus or any omission
     or alleged omission to state therein a material fact required to
     be stated therein or necessary to make the statements therein (in
     the case of a prospectus, in light of the circumstances under
     which they were made) not misleading or any violation by the
     Company of any rule or registration promulgated under the Act
     applicable to the Company, except insofar as the same are caused
     by or contained in any information with respect to such holder or
     underwriter furnished in writing to the Company by such holder or
     underwriter expressly for use therein or by such holder's or
     underwriter's failure to deliver a copy of the prospectus or any
     amendments or supplements thereto after the Company has furnished
     such holder or underwriter with a sufficient number of copies of
     the same.  The Company will enter into indemnification agreements
     with each such holder and underwriter containing customary
     provisions, including provisions for contribution, as any such
     holder or underwriter should reasonably request.

               9.2  Indemnification by Holders of Registrable
     Securities.  In connection with any registration statement in
     which a holder of Registrable Securities is participating, each
     such holder will furnish to the Company in writing such
     information and affidavits with respect to itself as the Company
     reasonably requests for use in connection with any such
     registration statement or prospectus and agrees to indemnify, to
     the extent permitted by law, the Company, its directors,
     officers, employees and agents against any losses, claims,
     damages, liabilities and expenses resulting from any untrue or
     allegedly untrue statement of a material fact or any omission or
     alleged omission of a material fact required to be stated in the
     registration statement or prospectus or any amendment thereof or
     supplement thereto or necessary to make the statements therein
     (in the case of a prospectus, in the light of the circumstances
     under which they were made) not misleading, to the extent, but
     only to the extent, that such untrue statement or omission is
     contained in any information or affidavit with respect to such
     holder so furnished in writing by such holder specifically for
     inclusion in any prospectus or registration statement.

               9.3  Conduct of Indemnification Proceedings.  Any
     Person entitled to indemnification hereunder agrees to give
     prompt written notice to the indemnifying party after the receipt
     by such Person of any written notice of the commencement of any
     action, suit, proceeding or investigation or threat thereof made
     in writing for which such Person will claim indemnification or
     contribution pursuant to this Agreement and, unless in the
     reasonable judgment of such indemnified party a conflict of
     interest may exist between such indemnified party and the
     indemnifying party with respect to such claim, permit the
     indemnifying party to assume the defense of such claim with
     counsel reasonably satisfactory to such indemnified party. 
     Whether or not such defense is assumed by the indemnifying party,
     the indemnifying party will not be subject to any liability for
     any settlement made without its consent (but such consent will
     not be unreasonably withheld or delayed).  No indemnifying party
     will consent to entry of any judgment or enter into any
     settlement which does not include as an unconditional term
     thereof the giving by the claimant or plaintiff to such
     indemnified party of a release from all liability in respect of
     such claim or litigation.  If the indemnifying party is not
     entitled to, or elects not to, assume the defense of a claim, it
     will not be obligated to pay the fees and expenses of more than
     one counsel with respect to such claim, unless in the reasonable
     judgment of any indemnified party a conflict of interest may
     exist between such indemnified party and any other of such
     indemnified parties with respect to such claim, in which event
     the indemnifying party shall be obligated to pay the fees and
     expenses of such additional counsel or counsels.

               9.4  Contribution.  If the indemnification provided for
     in this Section 9 from the indemnifying party is unavailable to
     an indemnified party hereunder in respect of any losses, claims,
     damages, liabilities or expenses referred to therein, then the
     indemnifying party, in lieu of indemnifying such indemnified
     party, shall contribute to the amount paid or payable by such
     indemnified party as a result of such losses, claims, damages,
     liabilities or expenses in such proportion as is appropriate to
     reflect the relative fault of the indemnifying party and
     indemnified parties in connection with the actions which resulted
     in such losses, claims, damages, liabilities or expenses, as well
     as any other relevant equitable considerations.  The relative
     fault of such indemnifying party and indemnified parties shall be
     determined by reference to, among other things, whether any
     action in question, including any untrue or allegedly untrue
     statement of a material fact or omission or alleged omission to
     state a material fact, has been made by, or relates to
     information supplied by, such indemnifying party or indemnified
     parties, and the parties' relative intent, knowledge, access to
     information and opportunity to correct or prevent such action. 
     The amount paid or payable by a party as a result of the losses,
     claims, damages, liabilities and expenses referred to above shall
     be deemed to include any legal or other fees or expenses
     reasonably incurred by such party in connection with any
     investigation or proceeding.

               The parties hereto agree that it would not be just and
     equitable if contribution pursuant to this Section 9.4 were
     determined by pro rata allocation or by any other method of
     allocation which does not take account of the equitable
     considerations referred to in the immediately preceding
     paragraph.  No Person guilty of fraudulent misrepresentation
     (within the meaning of Section 11(f) of the Act) shall be
     entitled to contribution from any Person who was not guilty of
     such fraudulent misrepresentation.  No holder of Registrable
     Securities shall be liable under this Section 9 for any losses,
     costs, damages or expenses exceeding in the aggregate the
     proceeds to such holder in such offering.

               If indemnification is available under this Section 9,
     the indemnifying parties shall indemnify each indemnified party
     to the full extent provided for herein without regard to the
     relative fault of said indemnifying party or the indemnified
     party or any other equitable consideration provided for herein.

          10.  Participation in Underwritten Registrations.

               No holder of Registrable Securities may participate in
     any underwritten registration hereunder unless such holder (a)
     agrees to sell its securities on the basis provided in any
     underwriting arrangements approved by the persons entitled
     hereunder to approve such arrangements and (b) completes and
     executes all questionnaires, powers of attorney, indemnities,
     underwriting agreements and other documents reasonably required
     under the terms of such underwriting arrangements.

          11.  Rule 144.

               The Company covenants that it will file the reports
     required to be filed by it under the Act and the Exchange Act and
     the rules and regulations adopted by the Commission thereunder
     (or, if the Company is no longer required to file such reports,
     it will, upon the request of any holder of Registrable
     Securities, make publicly available sufficient information, for
     so long as necessary to permit sales under Rule 144 under the
     Act), and the Company will take such further action as any holder
     of Registrable Securities may reasonably request, all to the
     extent required from time to time to enable such holder to sell
     Registrable Securities without registration under the Act within
     the limitation of the exemptions provided by (a) Rule 144 under
     the Act, as such Rule may be amended from time to time, or (b)
     any similar rule or regulation hereafter adopted by the
     Commission.  Upon the request of any holder of Registrable
     Securities, the Company will deliver to such holder a written
     statement as to whether it has complied with such requirements. 
     The Company will take such actions, and instruct its transfer
     agent or depositary to take such actions, as are reasonably
     necessary to comply with all reasonable requirements of holders
     of Registrable Securities in order to complete the orderly
     transfer of Restricted Securities of such persons under Rule 144.

          12.  Registrable Securities.

               Shares shall cease to be Registrable Securities, and
     all rights to have such shares registered under Section 4 and 5
     hereof shall cease, at such time as such Shares are freely
     saleable, without restriction or volume limitation, pursuant to
     Rule 144(k) under the Act, or otherwise.

          13.  Rights Plan.

               So long as Stockholder owns Shares constituting more
     than 15% of the outstanding Voting Securities of the Company, the
     Company will not, without the consent of Stockholder, adopt a
     Shareholder Rights Plan which would result in the issuance or
     separation and exercisability of rights on the transfer of Shares
     by Stockholder or any similar arrangement which would interfere
     with the sale of Stockholder's shares.

          14.  Miscellaneous.

               14.1 Legend.  Each certificate representing Shares of
     Common Stock owned by the Stockholder shall contain the following
     legend:

               THE SHARES REPRESENTED BY THIS CERTIFICATE ARE
               SUBJECT TO THE PROVISIONS OF A STOCKHOLDERS
               AGREEMENT DATED MARCH 17, 1995, BY AND BETWEEN THE
               COMPANY AND THE STOCKHOLDER, WHICH INCLUDES,
               WITHOUT LIMITATION, THE GRANTING OF CERTAIN VOTING
               RIGHTS, A COPY OF WHICH WILL BE FURNISHED BY THE
               COMPANY TO THE HOLDER HEREOF UPON WRITTEN REQUEST
               AND WITHOUT CHARGE.

               14.2 Notices.  All notices or other communications
     required or permitted to be delivered hereunder shall be in
     writing signed by the party giving the notice to the Company at 
     1363 South State College Boulevard, Anaheim, California, 92806
     Attention: President, and to the Stockholder at 345 South High
     Street, Muncie, Indiana 47305.  The Company or Stockholder may at
     any time change the address to which notice to it shall be mailed
     by giving notice of such change to the Company and to the other
     party, and such notice shall be deemed given when received by the
     other party hereto.

          15.  Entire Agreement and Amendments.  This Agreement
     constitutes the entire agreement of the parties with respect to
     the matters contemplated herein.  This Agreement supersedes any
     and all prior understandings as to the subject matter of this
     Agreement.  Amendments, waivers and consents with respect to this
     Agreement must be signed by all the parties hereto.  In the event
     the Registrable Securities are held by more than one Person, any
     amendment of this Agreement may be made by the Company and the
     holders of a majority of the Registrable Securities.

          16.  Binding Effect; Assignment.  This Agreement shall be
     binding upon and inure to the benefit of the personal
     representatives and successors of the respective parties hereto. 
     Stockholder's rights hereunder (other than those set forth in
     Section 2 and Section 13 hereof which may only be assigned by
     Stockholder to its parent, Ball Corporation) may be assigned by
     Stockholder or any transferee of the Shares without the consent
     of the Company to any person to whom Stockholder or its
     transferees transfers any Shares and Stockholder and such
     transferees will be entitled to enforce all such rights against
     the Company.

          17.  Governing Law.  This Agreement shall be governed by and
     construed under the laws of the State of Delaware, irrespective
     of such state's choice-of-law principles.

          18.  Severability.  If any provision of this Agreement shall
     be found by any court of competent jurisdiction to be invalid or
     unenforceable, the parties hereby waive such provision to the
     extent that it is found to be invalid or unenforceable.  Such
     provision shall, to the maximum extent allowable by law, be
     modified by such court so that it becomes enforceable, and, as
     modified, shall be enforced as any other provision hereof, all
     the other provisions hereof continuing in full force and effect.

          19.  Counterparts.  This Agreement may be executed in
     counterparts, all of which together shall constitute one and the
     same instrument.

          20.  Attorneys' Fees.  In the event of any controversy,
     claim or dispute among the parties hereto arising out of or
     relating to this Agreement, or breach hereof, the prevailing
     party shall be entitled to recover from the losing party
     reasonable attorneys' fees, expenses and costs.


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

                                   DATUM INC.

                                      /s/   LOUIS B. HORWITZ        
                                   Louis B. Horwitz
                                   Chairman and President

                                   EFRATOM HOLDING INC.

                                      /s/   DONOVAN B. HICKS        
                                   Donovan B. Hicks
                                   President





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