AMENDMENT
                                      TO
                        DYNAMICS CORPORATION OF AMERICA
                   1980 RESTRICTED STOCK AND CASH BONUS PLAN

                  The 1980 Restricted Stock and Cash Bonus Plan (the "Plan"),
as in effect since September 25, 1980 and as previously amended, is hereby
amended as of April 11, 1997, as set forth below.
                  Section 8(f) of the Plan is amended by changing the second
sentence of paragraph (f) thereof to read in its entirety as follows:

         For purposes of the Plan, a "Change in Control" shall be deemed to
         have occurred if the event set forth in any one of the following
         paragraphs shall have occurred:

         (I)      any Person is or becomes the Beneficial Owner, directly or
                  indirectly, of securities of the Company (not including in
                  the securities beneficially owned by such Person any
                  securities acquired directly from the Company or its 
                  Affiliates) representing 25% or more of the combined voting
                  power of the Company's then outstanding securities,
                  excluding any Person who becomes such a Beneficial Owner in
                  connection with a transaction described in clause (i) of
                  paragraph (III) below; or

         (II)     the following individuals cease for any reason to constitute
                  a majority of the number of directors then serving on the
                  Board of Directors of the Company (the "Board"): individuals
                  who, on the date hereof, constitute the Board and any new
                  director (other than a director whose initial assumption of
                  office is in connection with an actual or threatened
                  election contest, including but not limited to a consent
                  solic-







                  itation, relating to the election of directors of the
                  Company) whose appointment or election by the Board or
                  nomination for election by the Company's stockholders was
                  approved or recommended by a vote of at least two-thirds
                  (2/3) of the directors then still in office who either were
                  directors on the date hereof or whose appointment, election
                  or nomination for election was previously so approved or
                  recommended; or

         (III)    there is consummated a merger or consolidation of the
                  Company or any direct or indirect subsidiary of the
                  Company with any other corporation, other than (i) a
                  merger or consolidation which would result in the voting
                  securities of the Company outstanding immediately prior to
                  such merger or consolidation continuing to represent (either
                  by remaining outstanding or by being converted into voting
                  securities of the surviving entity or any parent thereof) at
                  least 60% of the combined voting power of the securities of
                  the Company or such surviving entity or any parent thereof
                  outstanding immediately after such merger or
                  consolidation, or (ii) a merger or consolidation effected to
                  implement a recapitalization of the Company (or similar
                  transaction) in which no Person is or becomes the Beneficial
                  Owner, directly or indirectly, of securities of the
                  Company (not including in the securities Beneficially
                  Owned by such Person any securities acquired directly from
                  the Company or its Affiliates other than in connection with
                  the acquisition by the Company or its Affiliates of a
                  business) representing 25% or more of the combined voting
                  power of the Company's then outstanding securities; or

         (IV)     the stockholders of the Company approve a plan of complete
                  liquidation or dissolution of the Company or there is
                  consummated an agreement for the sale or disposition by the
                  Company of all or substantially all of the Company's as-
                  sets, other than a sale or disposition by the Company of all
                  or substantially all of the Company's assets to an entity,
                  at least 60% of


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                  the combined voting power of the voting securities of which
                  are owned by stockholders of the Company in substantially
                  the same proportions as their ownership of the Company
                  immediately prior to such sale.

                           For purposes of this Section 8(f), the following
         definitions shall apply: "Person" shall have the meaning given in
         Section 3(a)(9) of the Exchange Act, as modified and used in Sections
         13(d) and 14(d) thereof, except that such term shall not include (i)
         the Company or any of its subsidiaries, (ii) a trustee or other
         fiduciary holding securities under an employee benefit plan of the
         Company or any of its Affiliates, (iii) an underwriter temporarily
         holding securities pursuant to an offering of such securities, or
         (iv) a corporation owned, directly or indirectly, by the stockholders
         of the Company in substantially the same proportions as their
         ownership of stock of the Company. "Beneficial Owner" shall have the
         meaning set forth in Rule 13d-3 under the Exchange Act. "Affiliate"
         shall have the meaning set forth in Rule 12b-2 promulgated under
         Section 12 of the Exchange Act. "Exchange Act" shall mean the
         Securities Exchange Act of 1934, as amended from time to time.


                  Except as set forth above, the Plan is hereby ratified and
confirmed in all respects.


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