CTS CORP
SC 14D1, 1997-05-16
ELECTRONIC COMPONENTS & ACCESSORIES
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<PAGE>
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                            ------------------------
 
                                 SCHEDULE 14D-1
 
                             TENDER OFFER STATEMENT
 
     (PURSUANT TO SECTION 14(D)(1) OF THE SECURITIES EXCHANGE ACT OF 1934)
                            ------------------------
 
                        DYNAMICS CORPORATION OF AMERICA
                           (Name of Subject Company)
                            ------------------------
 
                                CTS CORPORATION
 
                          CTS FIRST ACQUISITION CORP.
 
                                   (Bidders)
 
                     COMMON STOCK, PAR VALUE $.10 PER SHARE
 
                         (Title of Class of Securities)
 
                                  268039 10 4
 
                     (CUSIP Number of Class of Securities)
 
                                JOSEPH P. WALKER
 
                              Chairman, President
 
                          and Chief Executive Officer
 
                                CTS Corporation
 
                            905 West Boulevard North
 
                             Elkhart, Indiana 46314
 
                           Telephone: (219) 293-7511
 
            (Name, Address and Telephone Number of Person Authorized
           to Receive Notices and Communications on Behalf of Bidder)
                            ------------------------
 
                                   Copies to:
 
                            ROBERT A. PROFUSEK, ESQ.
 
                           Jones, Day, Reavis & Pogue
 
                              599 Lexington Avenue
 
                            New York, New York 10022
 
                           Telephone: (212) 326-3939
 
                                  MAY 16, 1997
 
     (DATE TENDER OFFER FIRST PUBLISHED, SENT OR GIVEN TO SECURITY HOLDERS)
                            ------------------------
 
                           CALCULATION OF FILING FEE
 
<TABLE>
<CAPTION>
                    TRANSACTION VALUATION*                                          AMOUNT OF FILING FEE**
<S>                                                             <C>
                         $105,354,260                                                      $21,071
</TABLE>
 
*   For purposes of calculating the filing fee only. This calculation assumes
    the purchase of up to 1,915,532 shares of Common Stock, par value $.10 per
    share (the "Shares") of Dynamics Corporation of America (the "Company") at a
    price of $55 per Share, net to the seller in cash, without interest thereon.
 
**  The amount of the filing fee, calculated in accordance with Rule 0-11(d) of
    the Securities Exchange Act of 1934, as amended, equals 1/50th of one
    percent of the aggregate value of cash offered by CTS First Acquisition
    Corp. for such number of Shares.
 
/ /* Check box if any part of the fee is offset as provided by Rule 0-11(a)(2)
    and identify the filing with which the offsetting fee was previously paid.
    Identify the previous filing by registration statement number, or the form
    or schedule and the date of its filing.
<PAGE>
 
<TABLE>
<C>        <S>                                                                             <C>
       1.  CTS CORPORATION (EIN: 35-0225010)
- ----------------------------------------------------------------------------------------------------
       2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                                  (a) / /
                                                                                             (b) /X/
- ----------------------------------------------------------------------------------------------------
       3.  SEC USE ONLY
- ----------------------------------------------------------------------------------------------------
       4.  SOURCE OF FUNDS
           BK
- ----------------------------------------------------------------------------------------------------
       5.  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
           2(e) or 2(f)                                                                          / /
- ----------------------------------------------------------------------------------------------------
       6.  CITIZENSHIP OR PLACE OF ORGANIZATION
           Indiana
- ----------------------------------------------------------------------------------------------------
       7.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
           REPORTING PERSON
           100
- ----------------------------------------------------------------------------------------------------
       8.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW
           (7) EXCLUDES CERTAIN SHARES                                                           / /
- ----------------------------------------------------------------------------------------------------
       9.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN
           ROW (7)
           0.0%
- ----------------------------------------------------------------------------------------------------
      10.  TYPE OF REPORTING PERSON
           CO
- ----------------------------------------------------------------------------------------------------
</TABLE>
 
                                       2
<PAGE>
 
<TABLE>
<C>        <S>                                                                             <C>
       1.  CTS FIRST ACQUISITION CORP. (EIN: Applied For)
- ----------------------------------------------------------------------------------------------------
       2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                                  (a) / /
                                                                                             (b) /X/
- ----------------------------------------------------------------------------------------------------
       3.  SEC USE ONLY
- ----------------------------------------------------------------------------------------------------
       4.  SOURCE OF FUNDS
           BK
- ----------------------------------------------------------------------------------------------------
       5.  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS
           IS REQUIRED PURSUANT TO ITEMS 2(e) or 2(f)                                            / /
- ----------------------------------------------------------------------------------------------------
       6.  CITIZENSHIP OR PLACE OF ORGANIZATION
           New York
- ----------------------------------------------------------------------------------------------------
       7.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
           REPORTING PERSON
           0
- ----------------------------------------------------------------------------------------------------
       8.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (7)
           EXCLUDES CERTAIN SHARES                                                               / /
- ----------------------------------------------------------------------------------------------------
       9.  PERCENT OF CLASS REPRESENTED BY AMOUNT
           IN ROW (7)
           0%
- ----------------------------------------------------------------------------------------------------
      10.  TYPE OF REPORTING PERSON
           CO
- ----------------------------------------------------------------------------------------------------
</TABLE>
 
                                       3
<PAGE>
ITEM 1. SECURITY AND SUBJECT COMPANY.
 
    (a) The name of the subject company is Dynamics Corporation of America, a
New York corporation (the "Company"). The address of the Company's principal
executive offices is 475 Steamboat Road, Greenwich, Connecticut 06830.
 
    (b) This Tender Offer Statement on Schedule 14D-1 relates to the offer by
CTS First Acquisition Corp. ("Purchaser"), a New York corporation and a wholly
owned subsidiary of CTS Corporation, an Indiana corporation ("CTS"), to purchase
up to 49.9% of the issued and outstanding shares of Common Stock, par value $.10
per share (the "Shares") of the Company, together with the associated purchase
rights issued pursuant to the Rights Agreement, dated as of January 30, 1986, as
amended on December 27, 1995, May 9, 1997 and May 12, 1997, between the Company
and First National Bank of Boston, as Rights Agent, at a price of $55 per Share,
net to the seller in cash, without interest thereon, on the terms and subject to
the conditions set forth in the Offer To Purchase, dated May 16, 1997 (the
"Offer To Purchase"), and in the related Letter of Transmittal (which, as
amended from time to time, constitute the "Offer"). According to the Company,
there were 3,838,742 Shares outstanding as of May 8, 1997. Assuming no change in
such number, the Offer is to purchase 1,915,500 Shares (subject to increase in
accordance with the Merger Agreement in certain circumstances). The information
set forth under "Introduction" in the Offer To Purchase annexed hereto as
Exhibit (a)(1) is incorporated herein by reference.
 
    (c) The information set forth under "Special Considerations Relating to the
Combination -- Price Range of Shares and CTS Shares; Dividends" in the Offer To
Purchase is incorporated herein by reference.
 
ITEM 2. IDENTITY AND BACKGROUND.
 
    (a)-(d); (g) This Statement is being filed by Purchaser and CTS. The
information set forth under "Introduction" and "Certain Information Concerning
Purchaser and CTS" in the Offer To Purchase and Schedule I thereto is
incorporated herein by reference.
 
    (e)-(f) During the last five years, neither Purchaser nor CTS, nor to the
best knowledge of Purchaser or CTS, any of the persons listed on Schedule I to
the Offer To Purchase (i) has been convicted in a criminal proceeding (excluding
traffic violations or similar misdemeanors) or (ii) was a party to a civil
proceeding of a judicial or administrative body of competent jurisdiction as a
result of which any such person was or is subject to a judgment, decree or final
order enjoining future violations of, or prohibiting activities subject to,
federal or state securities laws or finding any violation of such laws.
 
ITEM 3. PAST CONTACTS, TRANSACTIONS OR NEGOTIATIONS WITH THE SUBJECT COMPANY.
 
    (a)-(b) The information set forth under "Introduction," "Special
Considerations Relating to the Combination -- Fairness of the Offer," "Special
Considerations Relating to the Combination -- Interest of Certain Persons in the
Offer and the Merger," "Background of the Combination" and "The Merger and the
Merger Agreement" in the Offer To Purchase is incorporated herein by reference.
 
ITEM 4. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.
 
    (a)-(b) The information set forth under "Miscellaneous -- Source and Amount
of Funds" in the Offer To Purchase is incorporated herein by reference.
 
    (c) Not applicable.
 
                                       4
<PAGE>
ITEM 5. PURPOSE OF THE TENDER OFFER AND PLANS OR PROPOSALS OF THE BIDDER.
 
    (a)-(b);(e) The information set forth under "Introduction" and "Special
Considerations Relating to the Combination -- Plans for the Company and CTS" in
the Offer To Purchase is incorporated herein by reference.
 
    (c) The information set forth under "Special Considerations Relating to the
Combination -- Interests of Certain Persons in the Offer and the Merger" and
"Special Considerations Relating to the Combination -- Board Representation" in
the Offer To Purchase is incorporated herein by reference.
 
    (d) The information set forth under "Introduction," "The Merger and the
Merger Agreement -- The Merger" and "Special Considerations Relating to the
Combination -- Price Range of Shares and CTS Shares; Dividends" in the Offer To
Purchase is incorporate by reference.
 
    (f)-(g) The information set forth under "Special Considerations Relating to
the Combination -- Certain Effects of the Offer" in the Offer To Purchase is
incorporated herein by reference.
 
ITEM 6. INTEREST IN SECURITIES OF THE SUBJECT COMPANY.
 
    (a)-(b) The information set forth under "Special Considerations Relating to
the Combination -- Interests of Certain Persons in the Offer and the Merger" in
the Offer To Purchase and Schedule I thereto is incorporated herein by
reference.
 
ITEM 7. CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT TO
        THE SUBJECT COMPANY'S SECURITIES.
 
    The information set forth under "Introduction," "Special Considerations
Relating to the Combination," "Background of the Combination" and "The Merger
and the Merger Agreement" in the Offer To Purchase is incorporated herein by
reference.
 
ITEM 8. PERSONS RETAINED, EMPLOYED OR TO BE COMPENSATED.
 
    The information set forth under "Miscellaneous -- Fees and Expenses" in the
Offer To Purchase is incorporated herein by reference.
 
ITEM 9. FINANCIAL STATEMENTS OF CERTAIN BIDDERS.
 
    The information set forth under "Certain Information Concerning Purchaser
and CTS -- Selected Financial Information," "Certain Information Concerning
Purchaser and CTS -- Certain Projections" and "Pro Forma Financial Data" in the
Offer To Purchase is incorporated herein by reference.
 
ITEM 10. ADDITIONAL INFORMATION.
 
    (a) The information set forth under "Special Considerations Relating to the
Combination -- Interests of Certain Persons in the Offer and the Merger" in the
Offer To Purchase is incorporated herein by reference.
 
    (b)-(c) The information set forth under "Introduction," "The Offer --
Conditions of the Offer" and "Certain Legal Matters and Regulatory Approvals" in
the Offer To Purchase is incorporated herein by reference.
 
    (d)-(e) Not applicable.
 
    (f) The information set forth in the Offer To Purchase and the Letter of
Transmittal, copies of which are attached hereto as Exhibits (a)(1) and (a)(2),
respectively, is incorporated herein by reference.
 
                                       5
<PAGE>
ITEM 11. MATERIAL TO BE FILED AS EXHIBITS.
 
    (a) (1) Offer to Purchase, dated May 16, 1997.
 
       (2) Letter of Transmittal.
 
       (3) Notice of Guaranteed Delivery.
 
       (4) Letter to Brokers, Dealers, Commercial Banks, Trust Companies and
Other Nominees.
 
       (5) Letter to Clients for use by Brokers, Dealers, Commercial Banks,
Trust Companies and Other
            Nominees.
 
       (6) Guidelines for Certification of Taxpayer Identification Number on
Substitute Form W-9.
 
       (7) Summary Advertisement being published on May 16, 1997.
 
    (b) Not applicable
 
    (c) (1) Agreement and Plan of Merger, dated as of May 9, 1997, among CTS,
Purchaser and the Company. (Incorporated herein by reference to Exhibit 2 to
Amendment No. 46 to the Schedule 13D of Dynamics Corporation of America, filed
May 12, 1997, with respect to its investment in CTS Corporation.)
 
       (2) Employment Agreement, dated as of May 9, 1997, by and between CTS and
Joseph P. Walker.
 
       (3) Employment Agreement, dated as of May 9, 1997, by and among CTS, the
Company and Andrew Lozyniak. (Incorporated herein by reference to Exhibit 10.4
to Dynamics Corporation of America's Quarterly Report on Form 10-Q for the
fiscal quarter ended March 31, 1997.)
 
       (4) Employment Agreement, dated as of May 9, 1997, by and among CTS, the
Company and Patrick J. Dorme. (Incorporated herein by reference to Exhibit 10.5
to Dynamics Corporation of America's Quarterly Report on Form 10-Q for the
fiscal quarter ended March 31, 1997.)
 
       (5) Employment Agreement, dated as of May 9, 1997, by and among CTS, the
Company and Henry V. Kensing. (Incorporated herein by reference to Exhibit 10.6
to Dynamics Corporation of America's Quarterly Report on Form 10-Q for the
fiscal quarter ended March 31, 1997.)
 
    (d) Not applicable.
 
    (e) Not applicable.
 
    (f) Not applicable.
 
                                       6
<PAGE>
                                   SIGNATURE
 
    After due 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: May 16, 1997             CTS CORPORATION
 
                                By:             /s/ JOSEPH P. WALKER
                                     ------------------------------------------
                                                  Joseph P. Walker
                                                Chairman, President
                                            and Chief Executive Officer
 
                                CTS FIRST ACQUISITION CORP.
 
                                By:           /s/ /S/ JOSEPH P. WALKER
                                     ------------------------------------------
                                                  Joseph P. Walker
                                                     President
 
                                       7
<PAGE>
                                 EXHIBIT INDEX
 
<TABLE>
<CAPTION>
 EXHIBIT
 NUMBER                                                                                                         PAGE
- ---------                                                                                                    -----------
<S>        <C>                                                                                               <C>
(a) (1)    Offer to Purchase, dated May 16, 1997.
   (2)     Letter of Transmittal.
   (3)     Notice of Guaranteed Delivery.
   (4)     Letter to Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees.
   (5)     Letter to Clients for use by Brokers, Dealers, Commercial Banks, Trust Companies and Other
           Nominees.
   (6)     Guidelines for Certification of Taxpayer Identification Number on Substitute Form W-9.
   (7)     Summary Advertisement being published on May 16, 1997.
(b)        Not applicable.
(c) (1)    Agreement and Plan of Merger, dated as of May 9, 1997, among CTS, Purchaser and the Company.
           (Incorporated herein by reference to Exhibit 2 to Amendment No. 46 to the Schedule 13D of
           Dynamics Corporation of America, filed May 12, 1997, with respect to its investment in CTS
           Corporation.)
   (2)     Employment Agreement, dated as of May 9, 1997, by and between CTS and Joseph P. Walker.
   (3)     Employment Agreement, dated as of May 9, 1997, by and among CTS, the Company and Andrew
           Lozyniak. (Incorporated herein by reference to Exhibit 10.4 to Dynamics Corporation of America's
           Quarterly Report on Form 10-Q for the fiscal quarter ended March 31, 1997.)
   (4)     Employment Agreement, dated as of May 9, 1997, by and among CTS, the Company and Patrick J.
           Dorme. (Incorporated herein by reference to Exhibit 10.5 to Dynamics Corporation of America's
           Quarterly Report on Form 10-Q for the fiscal quarter ended March 31, 1997.)
   (5)     Employment Agreement, dated as of May 9, 1997, by and among CTS, the Company and Henry V.
           Kensing. (Incorporated herein by reference to Exhibit 10.6 to Dynamics Corporation of America's
           Quarterly Report on Form 10-Q for the fiscal quarter ended March 31, 1997.)
(d)        Not applicable.
(e)        Not applicable.
(f)        Not applicable.
</TABLE>
 
                                       8

<PAGE>
                           OFFER TO PURCHASE FOR CASH
 
                                  UP TO 49.9%
 
                        OF THE OUTSTANDING COMMON STOCK
 
                                       OF
 
                        DYNAMICS CORPORATION OF AMERICA
 
                                       AT
 
                             $55.00 NET PER SHARE,
 
                                       BY
 
                          CTS FIRST ACQUISITION CORP.
 
                          A WHOLLY OWNED SUBSIDIARY OF
 
                                CTS CORPORATION
 
THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00 MIDNIGHT,
  NEW YORK CITY TIME, ON FRIDAY, JUNE 13, 1997, UNLESS THE OFFER IS EXTENDED.
 
    THE BOARD OF DIRECTORS OF DYNAMICS CORPORATION OF AMERICA (THE "COMPANY")
HAS DETERMINED THAT THE OFFER AND THE MERGER ARE FAIR TO AND IN THE BEST
INTERESTS OF THE COMPANY AND ITS SHAREHOLDERS, HAS APPROVED THE MERGER AGREEMENT
AND THE TRANSACTIONS CONTEMPLATED THEREBY, INCLUDING THE OFFER, AND RECOMMENDS
THAT HOLDERS OF SHARES OF COMMON STOCK OF THE COMPANY ("SHARES") WHO WISH TO
RECEIVE CASH FOR THEIR SHARES ACCEPT THE OFFER AND TENDER THEIR SHARES PURSUANT
TO THE OFFER. SEE ITEM 4 OF THE SCHEDULE 14D-9 MAILED TO SHAREHOLDERS
SIMULTANEOUSLY WITH THIS OFFER TO PURCHASE.
                            ------------------------
 
    THE OFFER IS CONDITIONED UPON, AMONG OTHER THINGS, THERE BEING VALIDLY
TENDERED AND NOT WITHDRAWN PRIOR TO THE EXPIRATION DATE THAT NUMBER OF SHARES
WHICH CONSTITUTES AT LEAST 25% OF THE SHARES OUTSTANDING ON THE DATE OF PURCHASE
(THE "MINIMUM SHARE CONDITION") AND THE RECEIPT OF A LEGAL OPINION AS TO CERTAIN
TAX CONSEQUENCES OF THE MERGER. THE OFFER IS ALSO SUBJECT TO CERTAIN OTHER
CONDITIONS SET FORTH IN THIS OFFER TO PURCHASE. SEE "THE OFFER -- CONDITIONS OF
THE OFFER."
                            ------------------------
 
    According to the Company, there were 3,838,742 Shares outstanding as of May
8, 1997. Assuming no change in such number, the Offer is to purchase up to
1,915,500 Shares.
 
    Any Shareholder desiring to tender all or any portion of the Shareholder's
Shares should either (i) complete and sign the Letter of Transmittal (or a
facsimile thereof) in accordance with the instructions in the Letter of
Transmittal, have such Shareholder's signature thereon guaranteed if required by
instructions to the Letter of Transmittal, mail or deliver the Letter of
Transmittal (or such facsimile thereof) and any other required documents to the
Depositary and either deliver the certificates for such Shares to the Depositary
along with the Letter of Transmittal (or a facsimile thereof) or deliver such
Shares pursuant to the procedure for book-entry transfer set forth in "The Offer
- -- Procedures for Tendering Shares" prior to the expiration of the Offer or (ii)
request such Shareholder's broker, dealer, commercial bank, trust company or
other nominee to effect the transaction for such Shareholder.
 
    Any Shareholder who desires to tender Shares and whose certificates for such
Shares are not immediately available, or who cannot comply with the procedures
for book-entry transfer described in this Offer To Purchase on a timely basis,
may tender such Shares by following the procedures for guaranteed delivery set
forth in "The Offer -- Procedures for Tendering Shares."
 
    Questions and requests for assistance or for additional copies of this Offer
To Purchase, the Letter of Transmittal, the Notice of Guaranteed Delivery or
other tender offer materials, may be directed to the Information Agent at its
address and telephone number set forth on the back cover of this Offer To
Purchase.
                            ------------------------
 
                      THE DEALER MANAGER FOR THE OFFER IS:
 
                               J.P. MORGAN & CO.
                                ---------------
May 16, 1997
<PAGE>
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                                                               PAGE
                                                                                                            -----------
<S>                                                                                                         <C>
INTRODUCTION..............................................................................................           1
 
SPECIAL CONSIDERATIONS RELATING TO THE COMBINATION........................................................           3
        Price Range of Shares and CTS Shares; Dividends...................................................           3
        Fairness of the Offer.............................................................................           4
        Interests of Certain Persons in the Offer and the Merger..........................................           6
        Board Representation..............................................................................           7
        Certain Effects of the Offer......................................................................           7
        Plans for the Company and CTS.....................................................................           9
        Certain Federal Income Tax Consequences...........................................................           9
 
BACKGROUND OF THE COMBINATION.............................................................................          12
 
THE OFFER.................................................................................................          17
        Terms of the Offer; Proration; Expiration Date....................................................          17
        Conditions of the Offer...........................................................................          19
        Acceptance for Payment and Payment for Shares.....................................................          21
        Procedures for Tendering Shares...................................................................          22
        Withdrawal Rights.................................................................................          25
 
THE MERGER AND THE MERGER AGREEMENT.......................................................................          26
        Agreements With Respect to the Offer..............................................................          26
        The Merger........................................................................................          26
        Procedures for Exchange of Certificates; Fractional Shares........................................          27
        Shareholder Approval of the Merger................................................................          28
        Representations and Warranties....................................................................          28
        Conduct of Business Pending Merger................................................................          28
        No-Shop Covenant..................................................................................          30
        Inducement Fee and Termination Fees...............................................................          31
        Employee Benefits Matters.........................................................................          31
        Indemnification; Directors' and Officers' Insurance...............................................          32
        Conditions to the Consummation of the Merger......................................................          32
        Termination.......................................................................................          33
        Amendments to CTS Charter and Bylaws..............................................................          34
        Dissenter's Rights................................................................................          34
 
CERTAIN INFORMATION CONCERNING THE COMPANY................................................................          35
        General...........................................................................................          35
        Selected Financial Information....................................................................          35
        Certain Projections...............................................................................          36
        The Rights........................................................................................          37
        Certain Provisions of the Company's Certificate of Incorporation..................................          38
 
CERTAIN INFORMATION CONCERNING PURCHASER AND CTS..........................................................          38
        Purchaser.........................................................................................          38
        CTS...............................................................................................          38
        Selected Financial Information....................................................................          39
        Certain Projections...............................................................................          40
        Certain Employee Matters..........................................................................          41
 
PRO FORMA FINANCIAL DATA..................................................................................          42
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
                                                                                                               PAGE
                                                                                                            -----------
<S>                                                                                                         <C>
CERTAIN LEGAL MATTERS AND REGULATORY APPROVALS............................................................          48
        General...........................................................................................          48
        New York Business Combination Statute.............................................................          48
        Antitrust.........................................................................................          48
        Other.............................................................................................          50
 
MISCELLANEOUS.............................................................................................          50
        Source and Amount of Funds........................................................................          50
        Fees and Expenses.................................................................................          51
 
SCHEDULE I--INFORMATION CONCERNING DIRECTORS AND
        EXECUTIVE OFFICERS OF CTS AND PURCHASER...........................................................          52
</TABLE>
<PAGE>
To the Holders of Common Stock
of Dynamics Corporation of America:
 
                                  INTRODUCTION
 
    CTS First Acquisition Corp., a New York corporation (the "Purchaser"),
hereby offers to purchase up to 49.9% of the issued and outstanding shares of
Common Stock (the "Shares") of Dynamics Corporation of America, a New York
corporation (the "Company"), together with the associated purchase rights issued
pursuant to the Company Rights Agreement (the "Rights"), at a price of $55.00
per Share (the "Offer Price"), net to the seller in cash, without interest
thereon, on the terms and subject to the conditions set forth in this Offer To
Purchase and in the related Letter of Transmittal (which, as amended from time
to time, together constitute the "Offer"). According to the Company, there were
3,838,742 Shares outstanding as of May 8, 1997. Assuming no change in such
number, the Offer is to purchase 1,915,500 Shares (subject to increase in
accordance with the Merger Agreement in certain circumstances). Purchaser is a
newly formed wholly owned subsidiary of CTS Corporation, an Indiana corporation
("CTS").
 
    The Offer is being made to all holders of Shares ("Shareholders") pursuant
to an Agreement and Plan of Merger, dated as of May 9, 1997 (the "Merger
Agreement"), among CTS, Purchaser and the Company. The Merger Agreement
provides, among other things, for the commencement of the Offer by Purchaser and
further provides that, after the purchase of Shares pursuant to the Offer,
subject to the satisfaction or waiver of certain conditions, the Company will be
merged with and into Purchaser (the "Merger" and, together with the Offer, the
"Combination"), with Purchaser surviving the Merger (the "Surviving
Corporation") as a wholly owned subsidiary of CTS. In the Merger, subject to
certain exceptions, each Share issued and outstanding immediately prior to the
effective time of the Merger (the "Effective Time") will be converted at the
Effective Time into the right to receive 0.88 (the "Exchange Ratio") fully paid
and nonassessable shares of CTS Common Stock (the "CTS Shares") (the "Merger
Consideration"). In connection with the Merger, CTS declared a stock split in
the form of a 1:1 stock dividend (the "Stock Split") to be effective immediately
following the Effective Time. If the Stock Split is so effective, the Exchange
Ratio in the Merger will be 1.76 CTS Shares for each Share.
 
    The Offer is intended by Purchaser and CTS as the first step in the
combination of the businesses of CTS and the Company. The purposes of the Offer
are (i) to permit Shareholders who desire to receive cash for their Shares
instead of CTS Shares the opportunity to do so and (ii) to limit the number of
CTS Shares issued in the Merger. The purpose of the Merger is to combine the
businesses of CTS and the Company.
 
    THE BOARD OF DIRECTORS OF THE COMPANY (THE "COMPANY BOARD") HAS DETERMINED
THAT THE OFFER AND THE MERGER ARE FAIR TO AND IN THE BEST INTERESTS OF THE
COMPANY AND THE SHAREHOLDERS, HAS APPROVED THE MERGER AGREEMENT AND THE
TRANSACTIONS CONTEMPLATED THEREBY, INCLUDING THE OFFER, AND RECOMMENDS THAT
SHAREHOLDERS WHO WISH TO RECEIVE CASH FOR THEIR SHARES ACCEPT THE OFFER AND
TENDER THEIR SHARES PURSUANT TO THE OFFER. The Company has informed Purchaser
and CTS that the reasons underlying such determinations are as described in Item
4 of the Schedule 14D-9 mailed to Shareholders simultaneously with this Offer To
Purchase (the "Schedule 14D-9"). Wasserstein, Perella & Co., the Company's
financial advisor ("WP&Co."), has delivered to the Company its opinion (the
"WP&Co. Fairness Opinion") that the consideration to be received by the
Shareholders in the Offer and the Merger, taken together, pursuant to the Merger
Agreement is fair to the Shareholders from a financial point of view. A copy of
the WP&Co. Fairness Opinion, which sets forth a description of the assumptions
made, matters considered and limitations of the review undertaken, is included
as part of the Schedule 14D-9. Shareholders are urged to review the WP&Co.
Fairness Opinion in its entirety.
 
    The Company beneficially owns 2,303,100 CTS Shares (the "Company-Owned CTS
Shares"), which represent 44.1% of the issued and outstanding CTS Shares and
24.5% of the CTS Shares having ordinary voting rights. Two officers of the
Company are members of CTS' five-member Board of Directors (the
 
                                       1
<PAGE>
"CTS Board"). The entire CTS Board, as well as the members of the CTS Board who
are not employees of the Company (the "Unaffiliated CTS Directors") voting
separately, approved the Merger Agreement and the transactions contemplated
thereby, including the Offer, following a determination by the Unaffiliated CTS
Directors, and also by the entire CTS Board, that such transactions were fair to
and in the best interests of CTS and its shareholders (other than the Company).
 
    The Offer is conditioned upon, among other things, (i) the satisfaction of
the Minimum Share Condition, (ii) any applicable waiting period under the
Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the "HSR
Act"), having expired or been terminated prior to the expiration of the Offer,
(iii) the receipt of a legal opinion as to certain tax consequences of the
Merger, (iv) the absence of certain litigation, orders or other legal matters,
(v) the representations and warranties of the Company in the Merger Agreement
being materially true and correct as of the Expiration Date and the covenants of
the Company in the Merger Agreement having been materially performed or complied
with, (vi) the absence of any material adverse change, or any development that
is reasonably likely to result in a material adverse change, in the business,
financial condition or results of operations of the Company and its
subsidiaries, taken as a whole, (vii) the Merger Agreement not having been
terminated in accordance with its terms, (viii) no person having acquired
beneficial ownership of Shares in excess of certain specified percentages, and
(ix) certain other conditions set forth in "The Offer -- Conditions of the
Offer."
 
    The consummation of the Merger is subject to the satisfaction or waiver of a
number of conditions, including the adoption of the Merger Agreement by the
requisite vote or consent of the Shareholders and the approval of the issuance
of CTS Shares by shareholders of CTS (the "CTS Shareholders"). Under the New
York Business Corporation Law (the "NYBCL"), the Shareholder vote necessary to
adopt the Merger Agreement (the "Company Shareholder Vote") is the affirmative
vote of at least two-thirds of the Shares, including Shares held by Purchaser
and its affiliates. The affirmative vote of the holders of a majority of the
votes cast by CTS Shares at a meeting of CTS Shareholders (the "CTS Shareholder
Vote") is required to approve the issuance of CTS Shares in connection with the
Merger. Pursuant to the Merger Agreement, (i) CTS has agreed to vote all Shares
beneficially owned by it, including Shares purchased in the Offer, in favor of
adoption of the Merger Agreement and (ii) the Company has agreed to vote all CTS
Shares beneficially owned by it that have voting rights in favor of the issuance
of CTS Shares in the Merger. The Merger Agreement is more fully described in
"The Merger and the Merger Agreement." Certain federal income tax consequences
of the Combination are described in "Special Considerations Relating to the
Combination -- Certain Federal Income Tax Consequences."
 
    Tendering Shareholders will not be obligated to pay brokerage fees or
commissions or, except as set forth in Instruction 6 to the Letter of
Transmittal, transfer taxes on the purchase of Shares pursuant to the Offer or
the Merger. Purchaser will pay all charges and expenses of J.P. Morgan
Securities Inc., as the Dealer Manager ("J.P. Morgan" and, in such capacity, the
"Dealer Manager"), The First National Bank of Boston, as the depositary (the
"Depositary"), and MacKenzie Partners, Inc., as the information agent (the
"Information Agent"), in connection with the Offer.
 
    The Rights Agreement, dated as of January 30, 1986, as amended (the "Company
Rights Agreement"), between the Company and The First National Bank of Boston,
as Rights Agent (the "Rights Agent"), has been amended to provide that (i) the
Rights issued thereunder will expire immediately prior to the Effective Time,
(ii) neither CTS nor any of its Affiliates or Associates will be deemed an
Acquiring Person, and (iii) neither a Distribution Date nor a Stock Acquisition
Date (as such terms are defined in the Company Rights Agreement) will occur by
reason of the execution of the Merger Agreement, the announcement or completion
of the Offer, the consummation of the Merger or the consummation of the other
transactions contemplated by the Merger Agreement. Unless the context otherwise
requires, all references to Shares include the associated Rights, and all
references to the Rights include the benefits that may inure to holders of the
Rights pursuant to the Company Rights Agreement, including the right to receive
any payment due upon redemption of the Rights. Purchaser believes that, as of
May 16, 1997, the
 
                                       2
<PAGE>
Rights were not exercisable, Rights certificates had not been issued and the
Rights were evidenced by the Share certificates.
 
    INFORMATION APPEARING OR INCORPORATED HEREIN IN RESPECT OF THE COMPANY, THE
COMPANY BOARD AND THE WP&CO. FAIRNESS OPINION HAS BEEN FURNISHED TO PURCHASER
AND CTS BY THE COMPANY. WHILE PURCHASER AND CTS HAVE NO REASON, AS OF THE DATE
OF THIS OFFER TO PURCHASE, TO BELIEVE THAT SUCH INFORMATION IS INCORRECT IN ANY
MATERIAL RESPECT, NONE OF PURCHASER, CTS, THEIR RESPECTIVE AFFILIATES OR ANY
REPRESENTATIVE OF ANY OF THE FOREGOING ASSUMES ANY LIABILITY THEREFOR.
 
    THE OFFER DOES NOT CONSTITUTE A SOLICITATION OF PROXIES FOR ANY MEETING OF
THE SHAREHOLDERS OR THE CTS SHAREHOLDERS OR AN OFFER TO SELL OR SOLICITATION OF
OFFERS TO BUY CTS SHARES OR OTHER SECURITIES. ANY SUCH SOLICITATION WILL BE MADE
ONLY PURSUANT TO SEPARATE PROXY MATERIALS PURSUANT TO THE REQUIREMENTS OF
SECTION 14(A) OF THE SECURITIES AND EXCHANGE ACT OF 1934, AS AMENDED (THE
"EXCHANGE ACT"), AND ANY OFFER WILL BE MADE ONLY THROUGH A REGISTRATION
STATEMENT AND PROSPECTUS PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF
1933, AS AMENDED, WHICH PROSPECTUS WILL ALSO CONSTITUTE A JOINT PROXY STATEMENT
FOR THE MEETINGS OF SHAREHOLDERS OF THE COMPANY AND CTS RELATING TO THE MERGER
(THE "JOINT PROXY STATEMENT/PROSPECTUS").
 
    NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR MAKE ANY
REPRESENTATION ON BEHALF OF CTS OR PURCHASER NOT CONTAINED IN THIS OFFER TO
PURCHASE OR IN THE LETTER OF TRANSMITTAL AND, IF GIVEN OR MADE, SUCH INFORMATION
OR REPRESENTATION MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED.
 
    THIS OFFER TO PURCHASE, THE LETTER OF TRANSMITTAL AND THE SCHEDULE 14D-9
CONTAIN IMPORTANT INFORMATION WHICH SHOULD BE READ CAREFULLY BY SHAREHOLDERS
BEFORE ANY DECISION IS MADE WITH RESPECT TO THE OFFER.
 
               SPECIAL CONSIDERATIONS RELATING TO THE COMBINATION
 
PRICE RANGE OF SHARES AND CTS SHARES; DIVIDENDS
 
    THE COMPANY.  According to the Company's Form 10-K for the year ended
December 31, 1996 (the "Company 10-K"), the Shares are listed and principally
traded on the New York Stock Exchange, Inc. (the "NYSE") under the symbol "DYA."
The following table sets forth, for the periods indicated, the high and low
sales prices per Share on the NYSE and the amount of cash dividends paid per
Share, as reported in the Company 10-K for periods in 1995 and 1996 and as
reported by published financial sources with respect to periods in 1997:
<TABLE>
<CAPTION>
                                                                                                HIGH                   LOW
                                                                                              -------                 ------
<S>                                                                                    <C>          <C>        <C>        <C>
Year Ended December 31, 1995:
  First Quarter......................................................................   $      26   3/4        $      19  1/2
  Second Quarter.....................................................................          24   3/4               22  1/4
  Third Quarter......................................................................          24   5/8               22  1/2
  Fourth Quarter.....................................................................          25   7/8               21  5/8
 
Year Ended December 31, 1996:
  First Quarter......................................................................   $      24   7/8        $      22  1/8
  Second Quarter.....................................................................          27   7/8               23  1/4
  Third Quarter......................................................................          29   1/8               25
  Fourth Quarter.....................................................................          29   1/4               27  7/8
 
Year Ended December 31, 1997:
  First Quarter......................................................................   $      38   1/8        $      26  1/2
  Second Quarter (through May 14, 1997)..............................................          54   3/4               39
 
<CAPTION>
                                                                                          CASH
                                                                                        DIVIDENDS
                                                                                       -----------
<S>                                                                                    <C>
Year Ended December 31, 1995:
  First Quarter......................................................................   $    0.10
  Second Quarter.....................................................................         -0-
  Third Quarter......................................................................        0.10
  Fourth Quarter.....................................................................         -0-
Year Ended December 31, 1996:
  First Quarter......................................................................   $    0.10
  Second Quarter.....................................................................         -0-
  Third Quarter......................................................................        0.10
  Fourth Quarter.....................................................................         -0-
Year Ended December 31, 1997:
  First Quarter......................................................................   $    0.10
  Second Quarter (through May 14, 1997)..............................................         -0-
</TABLE>
 
                                       3
<PAGE>
    On May 9, 1997, the last full trading day before the public announcement of
the Combination, the reported closing price of the Shares on the NYSE Composite
Tape was $44 3/8 per share. On May 15, 1997, the last full trading day prior to
the date hereof, the reported closing sales price of the Shares on the NYSE
Composite Tape was $54 5/8 per Share. Shareholders are urged to obtain current
market quotations for the Shares.
 
    In 1984, the Company established a regular semi-annual dividend rate of
$0.10 per Share. Based on publicly available information, Purchaser does not
believe there are any present or future restrictions on the Company's ability to
continue this policy. The Merger Agreement provides that the Company may
continue to pay its regular semi-annual dividends until the Effective Time.
 
    CTS.  The CTS Shares are listed and principally traded on the NYSE under the
symbol "CTS." The following table sets forth, for the quarters indicated, the
high and low sales prices per share on the NYSE and the amount of cash dividends
paid per share for periods in 1995, 1996 and 1997:
<TABLE>
<CAPTION>
                                                                                                HIGH                   LOW
                                                                                              -------                 ------
<S>                                                                                    <C>          <C>        <C>        <C>
Year Ended December 31, 1995:
  First Quarter......................................................................   $      32              $      27  3/8
  Second Quarter.....................................................................          33   1/2               29  1/4
  Third Quarter......................................................................          34   1/2               29  15/16
  Fourth Quarter.....................................................................          37   3/4               29  5/8
 
Year Ended December 31, 1996:
  First Quarter......................................................................   $      38   5/8        $      36
  Second Quarter.....................................................................          47                     37  3/8
  Third Quarter......................................................................          47                     40  1/2
  Fourth Quarter.....................................................................          43                     38  1/8
 
Year Ended December 31, 1997:
  First Quarter......................................................................   $      50   3/4        $      41
  Second Quarter (through May 14, 1997)..............................................          64   1/2               50
 
<CAPTION>
                                                                                          CASH
                                                                                        DIVIDENDS
                                                                                       -----------
<S>                                                                                    <C>
Year Ended December 31, 1995:
  First Quarter......................................................................         .15
  Second Quarter.....................................................................         .15
  Third Quarter......................................................................         .15
  Fourth Quarter.....................................................................         .15
Year Ended December 31, 1996:
  First Quarter......................................................................         .15
  Second Quarter.....................................................................         .15
  Third Quarter......................................................................         .18
  Fourth Quarter.....................................................................         .18
Year Ended December 31, 1997:
  First Quarter......................................................................         .18
  Second Quarter (through May 14, 1997)..............................................         .18
</TABLE>
 
    On May 9, 1997, the last full trading day before the public announcement of
the Combination, the reported closing price of CTS Shares on the NYSE Composite
Tape was $61 3/4 per share. On May 15, 1997, the last full trading day prior to
the date hereof, the reported closing sales price of shares of the Common Stock
on the NYSE Composite Tape was $61 7/8 per Share. Shareholders are urged to
obtain current market quotations for the CTS Shares.
 
    In 1996, CTS increased its quarterly dividend rate from $0.15 to $0.18 per
CTS Share. The Merger Agreement permits CTS to continue to pay regular quarterly
dividends. The payment of dividends on the CTS Shares is a matter for the
discretion of the CTS Board and is subject to customary restrictions thereon.
 
FAIRNESS OF THE OFFER
 
    The Company Board has determined that the Offer and the Merger are fair to
and in the best interests of the Company and the Shareholders, has approved the
Merger Agreement and the transactions contemplated thereby, including the Offer,
and has recommended that Shareholders who wish to receive cash for their Shares
accept the Offer and tender their Shares pursuant to the Offer. The Company has
informed Purchaser and CTS that the background and factors underlying such
determination are as described in Item 4 of the Schedule 14D-9, which is
incorporated herein by this reference. WP&Co. has delivered to the Company the
WP&Co. Fairness Opinion to the effect that the consideration in the Offer
 
                                       4
<PAGE>
and the Merger, taken together, to be received by the Shareholders pursuant to
the Merger Agreement is fair to the Shareholders from a financial point of view.
A copy of the WP&Co. Fairness Opinion, which sets forth a description of the
assumptions made, matters considered and limitations on the review undertaken,
is attached as Exhibit 12 to the Schedule 14D-9, is incorporated herein by this
reference. Shareholders are urged to review the WP&Co. Fairness Opinion in its
entirety. Additional information concerning factors considered by, and the
determinations of, the Company Board regarding the Offer and the Merger is set
forth in Items 3 and 4 of the Schedule 14D-9 and is incorporated herein by
reference.
 
    The CTS Board, including the Unaffiliated CTS Directors voting separately,
unanimously approved the Merger Agreement and the transactions contemplated
thereby, including the Offer, following a determination by the Unaffiliated CTS
Directors, and thereafter by the entire CTS Board, that such transactions were
fair to and in the best interests of CTS and the CTS Shareholders (other than
the Company). In making such determination, the CTS Board, and the Unaffiliated
Directors, considered various factors, including (i) the business, financial
position, results of operations and prospects of CTS and the Company, and
potential synergies resulting from the Combination (estimated at not less than
$2.0 million, after tax, annually); (ii) the strategic fit between the Company's
frequency control and heat dissipating businesses and CTS' existing operations,
and the prospects for the Company's other operations; (iii) the expectation that
the Combination would be accretive to CTS' net earnings in 1997 (excluding one-
time transaction-related costs or charges) and thereafter; (iv) historical
market prices for Shares and CTS Shares; (v) the potential impact of the
Combination on market prices for CTS Shares as a result of the decrease in
concentration of the ownership thereof and increase in the liquidity of the
market for CTS Shares as well as the factors described above; (vi) the
commitment of Messrs. Lozyniak, Dorme and Kensing to continue with the Company
following the Combination under the terms of the Company Employment Contracts to
be effective as of the Effective Time (which replace their existing employment/
change-in-control severance agreements with the Company); (vii) presentations by
J.P. Morgan relating to the proposed combination; and (viii) the impact of the
Combination on the non-shareholder constituencies of CTS (including the
employees, suppliers and customers of CTS and communities in which offices or
other facilities of CTS are located), which were believed to be generally
favorable. The foregoing discussion of the factors considered and given weight
by the CTS Board is not intended to be exhaustive. In view of the variety of
factors considered in connection with its evaluation of the Combination, the CTS
Board did not find it practicable to and did not attempt to rank or assign
relative weights to the foregoing factors. In addition, individual members of
the CTS Board may have given different weight to different factors.
 
    Each Shareholder must make his, her or its own decision whether to tender
Shares pursuant to the Offer, whether to sell or retain Shares and how to vote
or otherwise act in respect of the adoption of the Merger Agreement, and should
give careful consideration to the terms of, and consequences resulting from, the
Offer, the Merger and such other factors as such Shareholder determines to be
relevant. Whether or not the Offer Price represents an acceptable return on
investment for any particular Shareholder will necessarily depend on such
Shareholder's individual investment criteria, liquidity requirements and other
circumstances, as well as such assumptions as to future events (including the
Company's and CTS' future results of operations), many of which events are
outside of Company's and CTS' control. See "Certain Information Concerning the
Company -- Selected Financial Information" and "-- Certain Projections;"
"Certain Financial Information Concerning the Purchaser and CTS -- Selected
Financial Information" and "-- Certain Projections;" and "Pro Forma Financial
Data." Moreover, any analysis of the value of an investment in the Shares and
CTS Shares is heavily dependent on the particular capitalization and discount
rates and other investment criteria an investor determines to be appropriate for
such investor's analysis.
 
                                       5
<PAGE>
INTERESTS OF CERTAIN PERSONS IN THE OFFER AND THE MERGER
 
    DIRECTORS AND OFFICERS.  Andrew Lozyniak, the Chairman of the Board and
President of the Company, and a director of the Company, is a director of CTS.
Patrick J. Dorme, Vice President-Finance, Chief Financial Officer and director
of the Company, is also a director of CTS. Certain of CTS' and Purchaser's
executive officers and directors (or their spouses) beneficially own Shares in
the amounts set forth on Schedule I hereto. On May 9, 1997, in connection with
the execution of the Merger Agreement, CTS, the Company and each of Mr.
Lozyniak, Mr. Dorme and Henry V. Kensing, Vice President, General Counsel and
Secretary of the Company, entered into employment contracts to be effective at
the Effective Time (collectively, the "Company Employment Contracts"). The
Company Employment Contracts and certain other matters relating to the interests
of Messrs. Lozyniak, Dorme and Kensing and other executive officers and
directors of the Company are described in Item 3(b) of the Schedule 14D-9, which
description is incorporated herein by this reference.
 
    It is expected that Messrs. Lozyniak and Dorme will continue as members of
the CTS Board following the Effective Time. The failure to nominate either of
them for election as a member of the CTS Board following the Effective Time
constitutes grounds for termination by them of, and gives rise to the right to
receive severance benefits under, the Company Employment Contracts. The failure
to nominate either of Messrs. Lozyniak or Dorme for election to the CTS Board
also constitutes grounds for Mr. Kensing to receive such benefits. It is
anticipated that, as of the Effective Time, the CTS Board will initially be CTS'
current five-member board, which includes Joseph P. Walker, Chairman, President
and Chief Executive Officer of CTS, Messrs. Lozyniak and Dorme and the two
present independent directors of CTS. It is also contemplated that, as promptly
as practical following the Effective Time, the CTS Board will increase by at
least two additional directors who qualify as independent directors under NYSE
guidelines. See "-- Board Representation" for a description of certain
procedures set forth in the Merger Agreement relating to the election of
additional members of the CTS Board by the other members thereof. Mr. Lozyniak
will also join CTS' Office of the Chairman with Mr. Walker and will focus on
strategic issues while continuing to oversee the management of the Company's
continuing operations.
 
    In addition, in connection with its approval of the Company Employment
Contracts, CTS approved, subject to the completion of the Merger and the
approval by CTS Shareholders, the award of an option to Mr. Lozyniak to purchase
100,000 CTS Shares at $62.50 per share. The option has a ten-year term from the
Effective Time and vests as to 20% of the CTS Shares covered thereby on each of
the first five annual anniversaries thereof, subject to immediate vesting if the
average closing price for CTS Shares equals or exceeds $70.00 over a
20-trading-day period and upon certain terminations of Mr. Lozyniak's
employment.
 
    The CTS Board also approved option awards (having substantially similar
terms, and subject to the same conditions, as the option granted to Mr.
Lozyniak) to Joseph P. Walker, in respect of 200,000 CTS Shares, and certain
other executive officers of CTS in respect of 150,000 CTS Shares. In addition,
the CTS Board approved CTS' entry into an employment agreement with Mr. Walker
(the "CEO Employment Contract") to replace his existing employment agreement
(which was to expire by its terms on June 24, 1997). See "Certain Information
Concerning Purchaser and CTS -- Certain Employee Matters" for a discussion of
the CEO Employment Contract and certain other matters.
 
    SECURITY OWNERSHIP.  As of the date hereof, CTS beneficially owns 100 Shares
and Purchaser beneficially owns no Shares. As of the date hereof, no executive
officer or director of CTS or Purchaser, or to the knowledge of CTS or
Purchaser, any of their associates, beneficially owns, or has the right to
acquire, directly or indirectly, any Shares, except as set forth in Schedule I
hereto. Mr. Walker has informed the Company that he intends to tender the Shares
beneficially owned by him or his spouse pursuant to the Offer, and each of CTS
and Mr. Walker intend, if such Shares are not accepted in the Offer for payment,
to vote Shares beneficially owned by them in favor of the adoption of the Merger
Agreement. Neither CTS
 
                                       6
<PAGE>
nor Purchaser, nor, to the knowledge of CTS or Purchaser, any of the executive
officers and directors of CTS or Purchaser, has engaged in any transaction in
Shares in the past 60 days.
 
    RELATED TRANSACTIONS.  CTS paid the Company the following amounts for the
purchase of products from the Company in each of 1994, 1995 and 1996: $233,000,
$143,000 and $157,000, respectively. Purchaser and CTS believe that such
purchases were on substantially comparable terms to those that would have been
available in arms' length transactions involving unrelated persons. Each of
Messrs. Lozyniak and Dorme has received directors' fees from CTS. Mr. Dorme was
paid the following amounts: 1994: $23,500; 1995: $27,500; 1996: $28,000; and
1997 (through the date hereof): $11,833. Mr. Lozyniak was paid the following
amounts: 1994: $24,000; 1995: $28,000; 1996: $28,500; and 1997 (through the date
thereof): $12,000. Such directors' fees will no longer be payable to Messrs.
Lozyniak and Dorme after the Effective Time under the CTS Board's current
director compensation policies.
 
BOARD REPRESENTATION
 
    The Merger Agreement provides that, promptly upon the purchase of Shares by
Purchaser pursuant to the Offer, and from time to time thereafter, CTS will be
entitled to designate such number of directors, rounded up to the next whole
number, as will give CTS representation on the Company Board proportionate with
the percentage of Shares purchased in the Offer, except that, if the number of
Shares purchased pursuant to the Offer equals or exceeds 49.9% of the
outstanding Shares, the Company has agreed that CTS' representatives will
constitute a majority of the Company Board. Following the election or
appointment of CTS' designees pursuant to the Merger Agreement and prior to the
Effective Time, any amendment or termination of the Merger Agreement by the
Company, extension by the Company for the performance or waiver of the
obligations or other acts of CTS or Purchaser or waiver of the Company's rights
thereunder requires the concurrence of a majority of the directors of the
Company then in office who were directors on the date of the Merger Agreement
and who voted to approve the Merger Agreement. Schedule I to the Schedule 14D-9
contains certain information about the persons expected to be designated by CTS
to be so nominated or elected to the Company Board.
 
    As promptly as practicable following the Effective Time, CTS expects to
increase the CTS Board and add two additional directors who qualify as
independent directors under NYSE guidelines. The Merger Agreement provides that
any additional directors elected or nominated for election by the CTS Board must
be nominated by the unanimous vote of a committee of the CTS Board comprised of
two Unaffiliated CTS Directors and one member who is not an Unaffiliated CTS
Director (the "Board Committee"). Pursuant to the Merger Agreement, the Board
Committee will initially be composed of Messrs. Walker, Lozyniak and Gerald H.
Frieling, Jr. The Merger Agreement further provides that, from the Effective
Time until the date immediately following the date of CTS' 1998 annual
shareholder meeting or any adjournment or postponement thereof, only a person
elected or nominated by the unanimous vote of the Board Committee may become an
additional director by action of the CTS Board. See "-- Interests of Certain
Persons in the Offer and the Merger" for a discussion of the expected
composition of the CTS Board following the Offer and the Merger. It is expected
that, following the Effective Time, the Board of Directors of the Surviving
Corporation will be composed of Mr. Lozyniak and not fewer than two employees of
CTS, including its Chairman and Chief Executive Officer.
 
CERTAIN EFFECTS OF THE OFFER
 
    CTS has agreed with the Company to use reasonable efforts to cause the CTS
Shares to be issued in the Merger to be approved for listing on the NYSE prior
to the Effective Time and Purchaser and CTS do not know of any reason why such
listing would not be approved. In connection with the Merger, immediately
following the Effective Time, the Shares will be delisted from the NYSE and
deregistered pursuant to Section 12(g)(4) of the Exchange Act.
 
                                       7
<PAGE>
    The purchase of Shares pursuant to the Offer will reduce the number of
Shares that might otherwise trade publicly and may reduce the number of
Shareholders, which could adversely affect the liquidity and market value of the
remaining Shares held by Shareholders between the time that Shares are purchased
in the Offer and the Effective Time or in the event that Shares are purchased in
the Offer and the Merger, for whatever reason, does not occur. Purchaser cannot
predict whether the reduction in the number of Shares that might otherwise trade
publicly would have an adverse or beneficial effect on the market price for, or
marketability of, the Shares or whether such reduction would cause market prices
to be greater or less than the Offer Price.
 
    Depending on the number of Shares purchased pursuant to the Offer, following
the completion of the Offer, the Shares may no longer meet the requirements of
the NYSE for continued listing and may, therefore, be delisted from such
exchange. According to the NYSE's published guidelines, the NYSE would consider
delisting the Shares if, among other things, the number of publicly held Shares
(excluding Shares held by officers, directors, and their immediate families and
other concentrated holdings of 10% or more of the Shares) were less than
600,000, there were fewer than 1,200 holders of at least 100 shares or the
aggregate market value of the publicly held Shares was less than $5 million.
According to the Company, as of May 8, 1997, there were 3,838,742 Shares
outstanding and as of February 26, 1997, there were 3,584 Shareholders of
record. Assuming no change in such number of Shares, the Offer is to purchase
1,915,500 Shares (subject to increase in accordance with the Merger Agreement in
certain circumstances).
 
    If, as a result of the purchase of Shares pursuant to the Offer, the Shares
no longer meet the requirements of the NYSE for continued listing and the
listing of Shares is discontinued, the market for the Shares could be adversely
affected. If the Shares no longer meet the NYSE listing requirements, it is
possible that the Shares would trade on another securities exchange or in the
over-the-counter market and that price quotations for the Shares would be
reported by such exchange or through the Nasdaq Stock Market, Inc.'s National
Market ("NASDAQ") or other sources. The extent of the public market for the
Shares and availability of such quotations would, however, depend upon such
factors as the number of holders and/or the aggregate market value of the
publicly held Shares at such time, the interest in maintaining a market in the
Shares on the part of securities firms, the possible termination of registration
of the Shares under the Exchange Act and other factors.
 
    The Shares are currently registered under the Exchange Act. Registration of
the Shares under the Exchange Act may be terminated upon application of the
Company to the Securities and Exchange Commission (the "Commission") if the
Shares are neither listed on a national securities exchange nor held by 300 or
more holders of record. Termination of the registration of the Shares under the
Exchange Act would substantially reduce the information required to be furnished
by the Company to holders of Shares and to the Commission and would make certain
of the provisions of the Exchange Act no longer applicable to the Company. Such
provisions include the short-swing profit recovery provisions of Section 16(b),
the requirement of furnishing a proxy statement pursuant to Section 14(a) in
connection with a Shareholders' meeting and the related requirement of providing
an annual report to Shareholders, and the requirements of Rule 13e-3 under the
Exchange Act with respect to "going private" transactions. Furthermore,
"affiliates" of the Company and persons holding "restricted securities" of the
Company may be deprived of the ability to dispose of such securities pursuant to
Rule 144 under the Securities Act.
 
    The Shares are currently "margin securities" under the regulations of the
Board of Governors of the Federal Reserve System (the "Federal Reserve Board"),
which has the effect, among other things, of allowing brokers to extend credit
on the collateral of such Shares. Depending upon factors similar to those
described above regarding listing and market quotations, the Shares may no
longer constitute "margin securities" for the purposes of the Federal Reserve
Board's margin regulations and, therefore, could no longer be used as collateral
for loans made by brokers.
 
                                       8
<PAGE>
PLANS FOR THE COMPANY AND CTS
 
    While it is anticipated that, following the Effective Time, the Company's
frequency control and heat dissipating product lines will be integrated into
complementary CTS operations, the Surviving Corporation is expected otherwise to
be operated as a subsidiary of CTS following the Merger. Except as described
elsewhere herein, Purchaser and CTS have no current plans or proposals that
would result in an extraordinary corporate transaction, such as a merger or
consolidation of the Surviving Corporation with or into any third entity, the
sale or transfer of substantially all of the Surviving Corporation's assets to a
third party or any other material changes in the Surviving Corporation's
business. Following the Effective Time, however, CTS intends to evaluate and
review the Surviving Corporation's operations and the potential opportunities
for synergies with CTS' operations, and to consider what, if any, changes would
be desirable in light of the results of such evaluations and reviews. After such
review, it is possible that CTS will seek to dispose of certain businesses or
assets of the Surviving Corporation.
 
CERTAIN FEDERAL INCOME TAX CONSEQUENCES
 
    The following is a summary of the principal federal income tax consequences
of the Offer and the Merger. This discussion is based upon the Internal Revenue
Code of 1986, as amended (the "Code"), the applicable Treasury Regulations
promulgated thereunder, judicial authorities, administrative rulings and other
applicable authorities, all as in effect as of the date hereof. Legislative,
judicial or administrative authorities are subject to change, possibly on a
retroactive basis, at any time and could alter or modify the statements and
conclusions set forth below. It is assumed for purposes of this discussion that
the Shares are held and will continue to be held as "capital assets" within the
meaning of Section 1221 of the Code (i.e., in general, property held for
investment). This discussion does not address all aspects of federal income
taxation that may be relevant to a particular Shareholder in light of such
Shareholder's particular investment circumstances, or those Shareholders subject
to special treatment under the federal income tax laws (for example, life
insurance companies, tax-exempt organizations, foreign corporations and
nonresident alien individuals) or to Shareholders who acquired their Shares
through the exercise of employee stock options or other compensation
arrangements. In addition, the discussion does not address any aspect of
foreign, state, local or estate and gift taxation that may be applicable to a
Shareholder. No ruling has been or will be sought from the Internal Revenue
Service (the "IRS") regarding the federal income tax consequences of the Offer
and the Merger and thus no assurance can be given that the IRS will agree with
the consequences described below.
 
    CONSEQUENCES OF THE OFFER AND EXERCISE OF DISSENTER'S RIGHTS.  The sale of
all of a Shareholder's Shares for cash pursuant to the Offer (or upon the
exercise of dissenter's rights (see "The Merger and the Merger
Agreement--Dissenter's Rights") in connection with the Merger), will be a
taxable transaction for federal income tax purposes. In general, a Shareholder
will recognize gain or loss for federal income tax purposes equal to the
difference between the amount received and the adjusted tax basis in the Shares
sold pursuant to the Offer (or received upon the exercise of dissenter's
rights). Gain or loss must be determined specifically for each identifiable
block of Shares (I.E, Shares acquired at the same cost in a single transaction).
Such gain or loss will be capital gain or loss and will be long-term gain or
loss if, on the date of sale, the Shares were held for more than a year.
 
    The foregoing assumes that a Shareholder who sells all of its Shares
pursuant to the Offer or who dissents to the Merger will not own or acquire any
CTS Shares or options with respect to CTS Shares, and will not be treated as
owning any CTS Shares after the Offer and the Merger by attribution from a
related party under Section 318 of the Code. The rules for determining whether
shares owned by a related party will be treated as owned by a Shareholder by
attribution are complex and may, in certain circumstances, be waived. A
Shareholder who dissents or participates in the Offer should consult a tax
advisor if (i) such Shareholder owns or will acquire any CTS Shares or options
with respect to CTS Shares or (ii) a related party will own CTS Shares after the
consummation of the Offer and the Merger, in order to determine
 
                                       9
<PAGE>
whether such shares will be attributed to such Shareholder and, if so, the tax
consequences of such attribution. If the Merger does not occur or occurs but is
treated as a taxable transaction for federal income tax purposes, this paragraph
would not apply.
 
    CONSEQUENCES OF PARTICIPATION IN THE MERGER.  The Offer and the Merger
should be treated as a single integrated transaction for federal income tax
purposes, and the following discussion assumes, as CTS and Purchaser expect to
be the case, that the Merger will qualify as a reorganization under Section
368(a) of the Code. In such event, in general, (i) no gain or loss will be
recognized by the Company, CTS or the Purchaser pursuant to the Offer and the
Merger, (ii) no gain or loss will be recognized by a Shareholder who does not
participate in the Offer and receives solely stock pursuant to the Merger,
except to the extent that cash is received in lieu of a fractional CTS Share, as
discussed below, and (iii) a Shareholder who receives a combination of cash and
CTS Shares for such Shareholder's Shares pursuant to the Offer and the Merger
will not recognize loss but will recognize gain, if any, to the extent of the
lesser of (1) the cash received in the Offer and (2) the excess of the sum of
the fair market value of the CTS Shares (including fractional shares) received
pursuant to the Merger, and the amount of cash received pursuant to the Offer,
over the Shareholder's adjusted tax basis in its Shares. For purposes of clause
(iii), gain or loss must be calculated separately for each identifiable block of
Shares surrendered pursuant to the Merger, and a loss realized on one block of
Shares may not be used to offset a gain realized on another block of Shares. A
Shareholder's recognized gain will be capital gain (and long-term capital gain
if, at the Effective Time, the Shares were held for more than one year), unless
the receipt of cash by the Shareholder has the effect of the distribution of a
dividend as provided in Section 356(a)(2) of the Code. The receipt of cash by a
Shareholder will not be considered to have the effect of a distribution of a
dividend if the Shareholder's disposition of the Shares pursuant to the Offer
effects a "meaningful reduction" in the Shareholder's stock interest or is
"substantially disproportionate" with respect to the Shareholder, within the
meaning of Section 302(b) of the Code. For purposes of making this
determination, ownership of CTS Shares by related parties may be attributed to
the Shareholder, as discussed above. The IRS has ruled that any reduction in
interest of a minority stockholder owning a small number of shares in a publicly
and widely held corporation who exercises no control over corporate affairs may
constitute a "meaningful reduction."
 
    The qualification of the Merger as a reorganization under Section 368(a) of
the Code will be subject to certain facts and conditions, including that there
be "continuity of interest" by Shareholders in the CTS Shares. The Offer is
conditioned upon the receipt by the Company and CTS of an opinion, dated as of
the date of Purchaser's purchase of Shares pursuant to the Offer, from either
Jones, Day, Reavis & Pogue ("Jones Day"), transactional counsel to CTS and
Purchaser, or Skadden, Arps, Slate, Meagher & Flom LLP ("Skadden Arps"), special
counsel to the Company, to the effect that, based upon such representations,
assumptions and conditions as the firm delivering such opinion deems necessary
or appropriate, the Merger will be treated for federal income tax purposes as a
reorganization within the meaning of Section 368(a) of the Code, and that CTS,
Purchaser and the Company will each be a party to such reorganization within the
meaning of Section 368(b) of the Code. Because any such opinion will be rendered
as a condition to consummation of the Offer and not as of the Effective Time of
the Merger (except in the circumstances described below), no assurance can be
given that the facts and conditions necessary for the Merger to qualify as a
reorganization under Section 368(a) of the Code (which facts and conditions will
be assumed or represented by the parties for purposes of such opinion) will be
satisfied. If these facts and conditions are not satisfied, the Merger would be
a taxable transaction for federal income tax purposes. In that case,
Shareholders would recognize gain or loss on their exchange of Shares for CTS
Shares (or for CTS Shares and cash, as the case may be), and the Company would
be treated as if it sold all its assets to Purchaser in a taxable sale for
federal income tax purposes.
 
    If Purchaser elects to proceed with the Merger in certain circumstances
where the Minimum Share Condition is not met, the parties' obligations to
consummate the Merger will be conditioned on their receipt of a similar opinion.
See "The Merger and the Merger Agreement--Conditions to the Consummation of the
Merger."
 
                                       10
<PAGE>
    Each of the Company and CTS agreed in the Merger Agreement to use all
reasonable efforts to cause the Merger to qualify as a reorganization under the
meaning of Section 368(a) of the Code.
 
    TAX BASIS AND HOLDING PERIOD OF CTS SHARES RECEIVED IN THE MERGER.  Assuming
that the Merger qualifies as a reorganization under Section 368(a) of the Code,
the aggregate tax basis of the CTS Shares received by a Shareholder in the
Merger (including fractional shares deemed received) will be the same as the
aggregate tax basis of the Shares converted in the Merger, increased by the
amount of any gain recognized by the Shareholder (including any portion treated
as dividend income, as described above), and decreased by the amount of cash
received by the Shareholder pursuant to the Offer. The holding period of such
CTS Shares will include the holding period of the Shares converted in the
Merger, provided such Shares are held as a capital asset at the Effective Time.
If a Shareholder has different tax bases or holding periods in respect of its
Shares, it should consult its tax advisors prior to the Merger with regard to
identifying the bases or holding periods of the particular CTS Shares received
in the Merger, as several methods of determination may be available.
 
    CASH RECEIVED IN LIEU OF A FRACTIONAL CTS SHARE.  Cash received by a
Shareholder in lieu of a fractional CTS Share will be treated as received in
redemption of such fractional CTS Share and, generally, gain or loss will be
recognized, measured by the difference between the amount of cash received and
the portion of the basis of the Shares exchanged that is allocable to such
fractional CTS Share. In general, such gain or loss will constitute capital gain
or loss, and will be long-term capital gain or loss if the holding period for
such Shares was greater than one year at the Effective Time.
 
    PROPOSED LEGISLATION.  Legislation has been proposed which would reduce
capital gains rates for federal income tax purposes. However, there can be no
assurance that such legislation will be enacted, or as to the effective date or
final terms thereof. Shareholders are therefore urged to consult their own tax
advisors with respect thereto.
 
    BACKUP TAX WITHHOLDING.  Under the Code, a Shareholder may be subject, under
certain circumstances, to "backup withholding" at a 31% rate with respect to
payments made in connection with the Offer or the Merger. Backup withholding
generally applies if the Shareholder (i) fails to furnish his or her social
security number or other taxpayer identification number ("TIN"), (ii) furnishes
an incorrect TIN, (iii) fails properly to report interest or dividends to the
IRS, or (iv) under certain circumstances, fails to provide a certified statement
to the IRS, signed under penalties of perjury, that the TIN provided is his or
her correct number and that he or she is not subject to backup withholding.
Backup withholding is not an additional tax but merely an advance payment, which
may be refunded to the extent it results in an overpayment of tax. Certain
persons generally are exempt from backup withholding, including corporations and
financial institutions. Certain penalties apply for failure to furnish correct
information and for failure to include the reportable payments in income. Each
Shareholder should consult with the Shareholder's tax advisor as to his or her
qualifications for exemption from withholding and the procedure for obtaining
such exemption.
 
    THE FEDERAL INCOME TAX DISCUSSION SET FORTH ABOVE IS INCLUDED FOR GENERAL
INFORMATION PURPOSES ONLY. SHAREHOLDERS SHOULD CONSULT THEIR OWN TAX ADVISORS TO
DETERMINE THE FEDERAL, STATE, LOCAL AND FOREIGN TAX CONSEQUENCES OF THE OFFER
AND THE MERGER TO THEM IN VIEW OF THEIR OWN PARTICULAR CIRCUMSTANCES.
 
                                       11
<PAGE>
                         BACKGROUND OF THE COMBINATION
 
    On March 27, 1997, WHX Corporation ("WHX") sent a letter to the Company
proposing to acquire the Company in a merger in which all of the outstanding
Shares would be converted into the right to receive $40 per Share in cash (the
"WHX Merger Proposal"). In its March 27, 1997 letter, WHX stated it had no
interest in increasing the equity stake which the Company holds in CTS, or in
changing the nature of the current relationship between the Company and CTS. WHX
also stated that it would be prepared to increase its offer to the Company if
additional information demonstrated that a higher price was warranted, and asked
the Company to respond by the close of business on the next day (which was Good
Friday). Mr. Lozyniak advised WHX that he would not be able to review the WHX
Merger Proposal with the Company Board until the following week and would
communicate further with WHX promptly thereafter.
 
    On March 31, 1997, WHX announced an offer to purchase up to 649,000 Shares,
subject to downward adjustment, at a price of $40 per Share in cash (the
"Initial WHX Tender Offer"). WHX also filed preliminary proxy materials with the
Commission on March 31, 1997 relating to the solicitation of proxies by WHX for
use at the Company's 1997 annual meeting of Shareholders (the "Company Annual
Meeting") to (i) elect four WHX nominees to the Company Board, (ii) adopt
changes to the Company's By-laws to (a) permit holders of at least 9.9% of the
outstanding Shares to call a special meeting of Shareholders and (b) permit the
removal of directors at any time with or without cause, and (iii) repeal any
By-law changes adopted by the Company Board after March 14, 1997 and prior to
the adoption of such resolution.
 
    To obtain advice and assistance in considering the WHX Merger Proposal and
the Initial WHX Tender Offer or an alternative business combination, the Company
engaged WP&Co. as its financial advisor and Skadden Arps as its outside counsel.
 
    On April 5, 1997, Joseph P. Walker and Andrew Lozyniak met to discuss a
possible business transaction. Mr. Walker indicated a price range of $45.00 per
Share, payable in CTS Shares and cash, for such a transaction. Mr. Lozyniak
indicated in this meeting that he would be willing to instruct the Company's
advisors to pursue further discussions of a possible transaction, but did not
respond to Mr. Walker's price indication.
 
    To obtain advice and assistance in considering possible strategic benefits
that could result from a business combination and the issues that would be
required to be considered if such a transaction were to be pursued, CTS engaged
J.P. Morgan as CTS' financial advisor pursuant to an engagement letter dated
April 9, 1997, Sommer & Barnard as counsel in respect to matters of Indiana law
and possible litigation and Jones Day as transactional counsel. From April 16,
1997 through April 25, 1997, representatives of J.P. Morgan met on various
occasions with certain members of senior management of the Company and
representatives of WP&Co. to discuss certain aspects of the business, operations
and prospects of the Company. In connection therewith, the Company furnished
J.P. Morgan certain Company projections. See "Certain Information Concerning the
Company--Certain Projections."
 
    On April 9, 1997, WHX amended the Initial WHX Tender Offer (as amended, the
"Second WHX Tender Offer"), among other things, to increase the tender offer
price and WHX Merger Proposal price to $45 per Share. In an effort to move
forward from the discussions conducted at the April 5, 1997 meeting,
representatives of CTS delivered to representatives of the Company a draft
merger agreement on April 9, 1997. In response, representatives of the Company
informed representatives of CTS that, while the Company was not prepared at that
time to commence negotiations of the detailed terms of a business combination
transaction, the proposed draft merger agreement was unacceptable, particularly
provisions therein requiring the Company to grant to CTS an option on the CTS
Shares beneficially owned by the Company, a ten-year standstill that would
operate regardless of whether the transaction closed and a fiduciary-out
provision that was limited to superior acquisition proposals meeting specified
criteria.
 
                                       12
<PAGE>
    On April 9 and 11, 1997, the Company Board met to discuss the Second WHX
Tender Offer and possible actions to be taken by the Company. At the April 11,
1997 meeting, the Company Board unanimously rejected the Second WHX Tender Offer
as inadequate and not in the best interests of the Shareholders of the Company
and unanimously recommended that holders of Shares reject the Second WHX Tender
Offer and not tender their Shares pursuant thereto. The Company Board also
determined to explore alternative transactions to maximize shareholder value,
including a possible business combination with CTS. In reaching its
determination to reject the Second WHX Tender Offer, the Company Board
considered a number of factors, including the opinion of WP&Co. to the effect
that, based upon and subject to the matters reviewed with the Company Board, the
$45 per Share cash consideration offered to holders of Shares pursuant to the
Second WHX Tender Offer was inadequate from a financial point of view to such
holders.
 
    At the April 11, 1997 meeting, the Company Board also (i) postponed the
Company Annual Meeting to August 1, 1997, (ii) added two directors to the
Company Board (resulting in the Company Board being divided into three, rather
than two, classes), (iii) amended the Company's By-laws to (a) eliminate the
shareholders' ability to remove directors without cause, (b) raise to two-thirds
the percentage of Shares needed to call a special meeting of Shareholders, (c)
add advance notice provisions for Shareholders to nominate persons for election
to the Company Board or to propose business at annual or special shareholders'
meetings, and (d) remove an inconsistent, and ineffective, provision purporting
to allow the holders of a majority of the Shares to amend the By-laws (the
Company's Restated Certificate of Incorporation, as amended (the "Company
Charter"), which controls over the By-laws, provides for an 80% vote to amend
the By-laws), and (iv) approved certain employee benefits matters. As a result
of these actions, it will take at least two annual meetings to replace a
majority of the Company Board. As discussed below, WHX has challenged the
validity of certain of these actions in litigation.
 
    At an April 11, 1997 meeting, the CTS Board considered, on a preliminary
basis, alternatives that may be available to it in the circumstances, including
the matters discussed in the meeting between Messrs. Walker and Lozyniak at
their April 5, 1997 meeting (Messrs. Lozyniak and Dorme having excused
themselves from such discussion).
 
    On April 14, 1997, the Company commenced litigation against WHX in Federal
District Court in Connecticut (the "Connecticut Court") alleging, among other
things, violations of the federal securities laws. On April 17, 1997, WHX filed
a counterclaim in the action pending in the Connecticut Court seeking a
declaratory judgment that Article XV of the Company Charter is invalid and
unenforceable. Article XV provides, in general, that 80% of the outstanding
voting stock of the Company is required to approve a merger of the Company with
another person if the other person is the "beneficial owner" of 5% or more of
the outstanding voting stock of the Company unless the Company Board approves
such a merger before the acquisition of such ownership. The NYBCL only requires
a two-thirds approval by shareholders. Subsequently, WHX amended its
counterclaim, among other things, to challenge certain actions taken by the
Company Board at its April 11, 1997 meeting.
 
    On April 14, 1997, the Company and CTS signed a confidentiality agreement
providing that, subject to the terms of the agreement, each company would keep
confidential certain non-public information furnished by the other. Starting
April 16, 1997, representatives of the Company, including representatives of
WP&Co. and financial and operational executives of the Company, commenced
discussions with representatives of CTS, including representatives of J.P.
Morgan, concerning the operations of the Company and areas of potential synergy
between the Company and CTS.
 
    On April 16, 1997, Mr. Walker, Mr. Lozyniak and representatives of J.P.
Morgan, WP&Co., Jones Day and Skadden Arps met to discuss a potential business
combination transaction. The specific price proposed by CTS to be paid therein
was not discussed at that meeting. On April 17, 1997, representatives of CTS
informed representatives of the Company that the price proposed to be paid by
CTS was at $50.00 per Share, consisting of approximately 50% cash and
approximately 50% CTS Shares. This proposal of CTS
 
                                       13
<PAGE>
was rejected by representatives of the Company in a conference call with
representatives of CTS later that day.
 
    The CTS Board met on April 24, 1997. At this meeting, the CTS Board
determined that it would be appropriate to establish a directorate committee
comprised of the two CTS directors who were not employed by either CTS or the
Company to facilitate discussions of a possible business combination transaction
between CTS and the Company (the "CTS Board Committee"). On April 25, 1997, the
day of CTS' 1997 annual meeting of shareholders (the "CTS Annual Meeting"),
representatives of the Company and of other shareholders of CTS discussed the
possible adjournment of the CTS Annual Meeting. Following discussions between
representatives of CTS and the Company, the CTS Annual Meeting was adjourned to
June 16, 1997.
 
    On April 29, 1997, the Connecticut Court entered a preliminary injunction
against WHX in connection with the Initial WHX Tender Offer. The Connecticut
Court ordered WHX to make further and complete disclosures on certain issues and
to extend its tender offer for an additional 20 days.
 
    On April 30, 1997, WHX amended the Second WHX Tender Offer to provide that
WHX is offering to purchase any and all outstanding Shares and to condition its
tender offer on the inapplicability of the Company Rights Plan and Section 912
of the NYBCL, which prohibits certain transactions, including mergers, between a
New York corporation, such as the Company, and a stockholder that beneficially
own 20% or more of the outstanding voting stock of such corporation for a period
of five years after the acquisition of such ownership, unless the acquisition of
such ownership is approved in advance by the board of directors of the company
(as so amended, the "Third WHX Tender Offer"). The Third WHX Tender Offer is
scheduled to expire on May 20, 1997.
 
    During April 29-30, 1997, the CTS Board Committee received presentations
from WP&Co. and J.P. Morgan as to such firms' views regarding the Company and
CTS and the possible terms of a business combination transaction involving the
two companies. In addition, the CTS Board Committee conducted discussions with
representatives of CTS and the Company with respect to other matters relevant to
a possible business combination transaction.
 
    On April 30, 1997, the Company executed a confidentiality agreement with a
substantial multinational entity that has existing relationships with CTS and
has from time to time indicated a desire to pursue a business combination or
other transactions with the Company or CTS, (the "Third Party"). The
confidentiality agreement contained an 18-month standstill provision that
prohibited the Third Party from, among other things, making any proposal to
acquire securities or assets of the Company. Thereafter, representatives of the
Company met with representatives of the Third Party and provided the Third Party
with certain information concerning the Company. Representatives of CTS had
engaged in preliminary discussions with representatives of the Third Party on
April 29, 1997.
 
    On May 1, 1997, representatives of J.P. Morgan met with representatives of
WP&Co. and informally discussed a possible $55.00 per share offer for the
Company, with approximately 50% of the consideration in cash and 50% in CTS
Shares. A meeting of the CTS Board was held on May 2, 1997, at which the status
of efforts regarding the possible business combination with the Company was
reviewed with the CTS Board (Messrs. Lozyniak and Dorme having excused
themselves from such discussion). It was the consensus of the Unaffiliated CTS
Directors that the parties should continue to pursue a possible business
combination transaction with the Company. Commencing on May 5, 1997,
representatives of the Company and CTS engaged in substantially continuous
negotiations of the terms for such a transaction, including definitive
documentation.
 
    The Company Board met on May 7, 1997 to discuss the status of negotiations
and the terms of a possible transaction with CTS. The Company Board also adopted
an amendment to the Company Rights Plan to prevent the Rights from separating
from the Company Common Stock as a result of WHX amending its offer to purchase
any and all Shares.
 
                                       14
<PAGE>
    On May 7, 1997, a meeting of the CTS Board was held at which the possible
business combination with the Company was reviewed with the assistance of J.P.
Morgan, Sommer & Barnard and Jones Day. The presentations to and discussions by
the CTS Board (Messrs. Lozyniak and Dorme having excused themselves therefrom)
were wide-ranging and detailed, and included, among other things, (i) a
presentation by Sommer & Barnard regarding the duties of directors in
considering a possible business combination, (ii) a review by senior management
of the discussions conducted to date with representatives of the Company, (iii)
a detailed review by Jones Day of the draft merger documentation and the status
of discussions thereon between the parties, (iv) a review by senior management
as to how a combination could be implemented, including the expected composition
of the board of directors and senior management of the combined company, and (v)
a presentation by J.P. Morgan of its preliminary views of the possible
transaction. The CTS Board also received a detailed presentations regarding the
terms of the Executive Employment Contracts and the CEO Employment Contract.
 
    The CTS Board also met in the morning of May 9, 1997. At that meeting, the
CTS Board as an entirety, and the Unaffiliated CTS Directors separately,
approved the Combination.
 
    Later in the morning of May 9, 1997, the Company received a letter from the
Third Party proposing to acquire the Company at $54 per Share in cash, subject
to a number of conditions, including satisfactory completion of financial,
legal, tax and environmental due diligence, exclusive negotiation between the
Company and the Third Party regarding the acquisition of the Company (which
would have required the cessation of negotiations between the Company and CTS)
and a $10 million break-up fee (the "Third Party Proposal"). The Third Party
also sent a letter to CTS that same morning indicating an intention to pursue
the possible acquisition of the Company and a desire to work with CTS'
management in connection therewith.
 
    Representatives of CTS contacted representatives of the Company in the
morning of May 9, 1997 to report that CTS had approved the Merger Agreement
earlier that morning, that CTS had received the above-described letter from the
Third Party, that CTS believed that the Merger Agreement had been substantially
negotiated and could be signed later that day, that CTS had invested substantial
time and effort negotiating with the Company and that CTS did not wish to invest
further time and effort discussing a transaction with the Company if the Company
were not willing to sign a Merger Agreement on the terms which had been
discussed. Accordingly, representatives of CTS informed representatives of the
Company that CTS would terminate further discussions of a business combination
if the Merger Agreement were not approved by the Company and signed that day.
Representatives of CTS also said that CTS would not increase the consideration
it was proposing in the Combination. In light of the Third Party Proposal,
representatives of the Company proposed that CTS reduce the break-up fee
contemplated by the draft merger documents which the parties had been
discussing. CTS agreed in these discussions to reduce the fee to $2 million upon
signing and $4 million under certain circumstances.
 
    Later that day, the Company Board met to continue the discussions begun on
May 7, 1997 regarding a possible business combination transaction with CTS. At
the meeting, the Company Board considered the Third Party Proposal, the Third
WHX Tender Offer and CTS' proposal. The Company Board received a presentation by
representatives of WP&Co. relating to financial considerations with respect to
the transactions contemplated by the Merger Agreement with CTS. Representatives
of WP&Co. delivered the WP&Co.'s Fairness Opinion. See "Special Considerations
Relating to the Combination--Fairness of Offer." For a further description of
the Company Board's deliberations, and a discussion of the reasons for its
recommendation, see Item 4 of the Schedule 14D-9, which is incorporated herein
by this reference.
 
    During the deliberations of the Company Board on May 9, 1997,
representatives of the Third Party sent a second letter to the Company that
removed the due diligence condition in its first letter and clarified that its
proposal was not subject to the consent or approval by CTS. Representatives of
the Company held further discussions with representatives of CTS regarding the
break-up fee proposed by CTS, as a result of which CTS agreed to reduce the fee
to $2 million upon the signing of the Merger Agreement and $3
 
                                       15
<PAGE>
million under certain circumstances. See "The Merger and the Merger
Agreement--Inducement Fee and Termination Fees."
 
    The Company Board did not communicate with the Third Party regarding the
Third Party Proposal in light of (i) the fact that, while there could be no
assurance that the Company and the Third Party could agree as to the final terms
of a merger agreement, the Company and CTS had substantially negotiated the
terms of the Merger Agreement, (ii) CTS' statement that if the Merger Agreement
were not approved that day that it would terminate further discussions of a
business combination transaction, (iii) WP&Co.'s opinion as to the fairness of
the consideration provided for in the Merger Agreement (and the fact that
representatives of WP&Co. were aware of the Third Party Proposal when they
delivered such opinion), and (iv) the Company Board's belief that the break-up
fee and other features of the Merger Agreement would not deter a more attractive
offer to acquire the Company.
 
    After discussion and further analysis, at its May 9, 1997 meeting, the
Company Board unanimously determined to approve the Offer and the Merger. See
"Special Considerations Relating to the Combination -- Fairness of the Offer."
In addition, the Company Board unanimously recommended that (i) Shareholders who
wish to receive cash for their Shares accept the Offer and tender their Shares
pursuant thereto and (ii) Shareholders vote in favor of approval and adoption of
the Merger Agreement and the Merger. At the May 9, 1997 meeting, the Company
Board also reaffirmed its determination that the Third WHX Tender Offer was
inadequate and not in the best interests of the Company and its Shareholders and
reaffirmed its recommendation to the Shareholders that they reject the Third WHX
Tender Offer and not tender their Shares pursuant thereto. Finally, the Company
Board also adopted an amendment to the Company Rights Plan to make it
inapplicable to the Offer, the Merger and the other transactions contemplated by
the Merger Agreement. See "Introduction."
 
    CTS and the Company signed the Merger Agreement on the evening of May 9,
1997 and publicly announced the transaction on May 11, 1997.
 
    WHX has sent a notice, dated May 8, 1997, to the Company, in compliance with
the Company's advance-notice By-law provisions adopted on April 11, 1997 (i)
nominating six persons for election to the Company Board at the Company Annual
Meeting and (ii) proposing that a non-binding Shareholder resolution be
presented to the Company's shareholders at the Company Annual Meeting
recommending that the Company Board take all actions necessary, including
removing any anti-takeover devices of the Company, to effect the Third WHX
Tender Offer or to effect a transaction with a third party for cash
consideration in excess of $45 per Share. On May 9, 1997, WHX filed revised
preliminary proxy materials with the Commission relating to the solicitation of
proxies by WHX for use at the Company Annual Meeting regarding these matters.
 
    On May 14, 1997, a representative of WHX stated in an analyst conference
call that WHX was reviewing its options with respect to the Company.
 
    On May 16, 1997, Purchaser commenced the Offer.
 
                                       16
<PAGE>
                                   THE OFFER
 
TERMS OF THE OFFER; PRORATION; EXPIRATION DATE.
 
    Upon the terms and subject to the conditions of the Offer (including, if the
Offer is extended or amended, the terms and conditions of any extension or
amendment), Purchaser will accept for payment and pay for Shares which are
validly tendered prior to the Expiration Date and not properly withdrawn in
accordance with the procedures set forth under "--Withdrawal Rights" and which
represent up to 49.9% of the total number of Shares. The term "Expiration Date"
means 12:00 Midnight, New York City time, on Friday, June 13, 1997, unless and
until Purchaser, in accordance with the terms of the Offer and the Merger
Agreement, shall have extended the period of time during which the Offer is
open, in which event the term "Expiration Date" shall refer to the latest time
and date at which the Offer, as so extended by Purchaser, shall expire.
 
    Promptly after the Expiration Date, Purchaser will notify the tendering
Shareholder as to the number of Shares out of the total number of Shares
tendered by the Shareholders which Purchaser has accepted for purchase.
 
    If more than 49.9% of the Shares are validly tendered prior to the
Expiration Date and not properly withdrawn, Purchaser will, upon the terms and
subject to the conditions of the Offer, accept for payment and pay for only
49.9% of the Shares on a pro rata basis, with adjustments to avoid purchases of
fractional Shares, based upon the number of Shares validly tendered prior to the
Expiration Date and not properly withdrawn.
 
    Because of the difficulty of determining precisely the number of Shares
validly tendered and not withdrawn, if proration is required, Purchaser would
not expect to be able to announce the final results of proration or pay for
Shares until at least five NYSE trading days after the Expiration Date.
Preliminary results of proration will be announced by press release as promptly
as practicable after the Expiration Date. Shareholders may obtain such
preliminary information from the Information Agent and may also be able to
obtain such preliminary information from their brokers.
 
    The Offer is conditioned upon, among other things, (i) the satisfaction of
the Minimum Share Condition, (ii) any applicable waiting period under the HSR
Act having expired or been terminated prior to the expiration of the Offer,
(iii) the receipt of a legal opinion as to certain tax consequences of the
Merger, (iv) the absence of certain litigation, orders or other legal matters,
(v) the representations and warranties of the Company in the Merger Agreement
being materially true and correct as of the Expiration Date and the covenants of
the Company in the Merger Agreement having been materially performed or complied
with, (vi) the absence of any material adverse change, or any development that
is reasonably likely to result in a material adverse change, in the business,
financial condition or results of operations of the Company and its
subsidiaries, taken as a whole, (vii) the Merger Agreement not having been
terminated in accordance with its terms, (viii) no person having acquired
beneficial ownership of Shares in excess of certain specified percentages, and
(ix) certain other conditions contained in this Offer. See "--Conditions of the
Offer." Subject to the terms of the Merger Agreement, Purchaser expressly
reserves the right (but will not be obligated) to waive any or all of the
conditions of the Offer. Pursuant to the Merger Agreement, in the event any
condition to the Offer is not satisfied or waived at the time the Expiration
Date would otherwise occur, (1) Purchaser must extend the Expiration Date for an
aggregate of 20 additional business days (the "First Extension Period") to the
extent necessary to permit such condition to be satisfied and (2) Purchaser may,
in its sole discretion, extend the Expiration Date for up to 20 additional
business days after the First Extension Period. Subject to the terms of the
Merger Agreement and the rights of tendering Stockholders to withdraw their
Shares in accordance with the procedures set forth under "--Withdrawal Rights,"
Purchaser will retain all tendered Shares until the Expiration Date.
 
    Subject to the terms of the Merger Agreement described in the immediately
succeeding paragraph and to applicable law, Purchaser expressly reserves the
right to extend the period of time during which the
 
                                       17
<PAGE>
Offer is open by giving oral or written notice of such extension to the
Depositary and by making a public announcement of such extension. Purchaser also
expressly reserves the right, subject to applicable law (including applicable
rules of the Commission) and to the terms of the Merger Agreement, at any time
or from time to time, (i) to delay acceptance for payment of, or payment for,
any Shares, regardless of whether the Shares were theretofore accepted for
payment, or to terminate the Offer and not accept for payment or pay for any
Shares not theretofore accepted for payment or paid for, upon the occurrence of
any of the conditions specified in "--Conditions of the Offer," by giving oral
or written notice of such delay in payment or termination to the Depositary, and
(ii) to waive any conditions or otherwise amend the Offer in any respect, by
giving oral or written notice to the Depositary. Any extension, delay in
payment, termination or amendment will be followed as promptly as practicable by
public announcement, the announcement in the case of an extension to be issued
no later than 9:00 a.m., New York City time, on the next business day after the
previously scheduled Expiration Date. Without limiting the manner in which
Purchaser may choose to make any public announcement, Purchaser will have no
obligation to publish, advertise or otherwise communicate any such announcement,
otherwise than by issuing a release to the Dow Jones News Service or as
otherwise may be required by law. The reservation by Purchaser of the right to
delay acceptance for payment of, or payment for, Shares is subject to the
provisions of Rule 14e-1(c) under the Exchange Act, which requires that
Purchaser pay the consideration offered or return the Shares deposited by or on
behalf of Shareholders promptly after the termination or withdrawal of the
Offer. Any delay in acceptance for payment or payment beyond the time permitted
by applicable law will be effectuated by an extension of the period of time
during which the Offer is open.
 
    Pursuant to the terms of the Merger Agreement, without the prior written
consent of the Company, Purchaser will not (and CTS will cause Purchaser not to)
(i) decrease or change the form of consideration payable in the Offer, (ii)
change the conditions to the Offer, (iii) impose additional conditions to the
Offer, (iv) increase the number of Shares to be purchased pursuant to the Offer
to more than 50.1% of the Shares (calculated on a fully diluted basis), (v)
extend the Expiration Date (except as required by law and except as described in
the second preceding paragraph), or (vi) amend any term of the Offer in any
manner materially adverse to Shareholders (including without limitation to
result in any extension which would be inconsistent with the preceding
provisions of this sentence); provided, however, that, (a) subject to the
applicable legal requirements, CTS may cause Purchaser to waive any condition to
the Offer other than the Minimum Share Condition and the Tax Opinion Condition
(see "-- Conditions of the Offer") in CTS' sole discretion and (b) the Offer may
be extended in connection with an increase in the consideration to be paid
pursuant to the Offer so as to comply with applicable rules and regulations of
the Commission. Assuming the prior satisfaction or waiver of the conditions to
the Offer, CTS will cause Purchaser to accept for payment, and pay for, in
accordance with the terms of the Offer, all Shares (up to 49.9% of the total
number of Shares unless increased in accordance with the Merger Agreement)
validly tendered and not withdrawn pursuant to the Offer as soon as practicable
after the Expiration Date.
 
    If Purchaser makes a material change in the terms of the Offer or the
information concerning the Offer, or if it waives a material condition of the
Offer, Purchaser will disseminate additional tender offer materials and extend
the Offer to the extent required by Rules 14d-4(c), 14d-6(d) and 14e-1 under the
Exchange Act. The minimum period during which the Offer must remain open
following material changes in the terms of the Offer or information concerning
the Offer, other than a change in price or a change in percentage of securities
sought, will depend upon the facts and circumstances, including the relative
materiality of the changed terms or information. In the Commission's view, an
offer should generally remain open for a minimum of five business days from the
date a material change is first published, sent or given to shareholders. With
respect to a change in price or a change in percentage of securities sought
(other than an increase in the number of shares sought not in excess of 2% of
the shares), a minimum ten business day period is required to allow for adequate
dissemination to shareholders and investor response. As used in this Offer To
Purchase, except for references to provisions in the Merger Agreement, "business
day" has the meaning set forth in Rule 14d-1 under the Exchange Act.
Accordingly, if, prior to the Expiration Date, Purchaser increases or decreases
the number of Shares being sought (including a change
 
                                       18
<PAGE>
in or waiver of the Minimum Share Condition), or increases or decreases the
consideration offered pursuant to the Offer, and if the Offer is scheduled to
expire at any time earlier than the period ending on the tenth business day from
the date that notice of such increase or decrease is first published, sent or
given to holders of Shares, the Offer will be extended at least until the
expiration of such ten business day period.
 
    As of the date of this Offer To Purchase, the Rights are evidenced by the
certificates representing Shares and do not trade separately. Accordingly, by
tendering a certificate representing Shares, a Shareholder is automatically
tendering a similar number of associated Rights. If, however, pursuant to the
Rights Agreement or for any other reason, the Rights detach and separate
certificates representing rights ("Rights Certificates") are issued,
Shareholders will be required to tender one Right for each Share tendered in
order to effect a valid tender of such Share.
 
    The Company has provided Purchaser with its Shareholder list and security
position listings for the purpose of disseminating the Offer to the
Shareholders. This Offer To Purchase, the related Letter of Transmittal and
other relevant materials will be mailed to record Shareholders and will be
furnished to brokers, dealers, commercial banks, trust companies and similar
persons whose names, or the names of whose nominees, appear on the Shareholder
list or, if applicable, who are listed as participants in a clearing agency's
security position listing for subsequent transmittal to beneficial owners of
Shares.
 
CONDITIONS OF THE OFFER
 
    Notwithstanding any other provision of the Offer, Purchaser will not be
required to accept for payment or, subject to any applicable rules and
regulations of the Commission, including Rule 14e-1(c) under the Exchange Act
(relating to Purchaser's obligation to pay for or return tendered Shares
promptly after expiration or termination of the Offer), to pay for any Shares,
and may postpone the acceptance for payment or, subject to the restrictions
referred to above, payment for any Shares tendered, and, subject to the terms of
the Merger Agreement, may amend or terminate the Offer (whether or not any
Shares have theretofore been purchased or paid for pursuant to the Offer) unless
the following conditions have been satisfied: (i) the Minimum Share Condition;
(ii) any applicable waiting periods under the HSR Act shall have expired or been
terminated prior to the expiration of the Offer; (iii) either Jones Day or
Skadden Arps shall have delivered to CTS and the Company an opinion, dated as of
the date of purchase, to the effect that, based upon such representations,
assumptions and conditions as the firm delivering such opinion deems necessary
or appropriate, the Merger will be treated for federal income tax purposes as a
reorganization within the meaning of Section 368(a) of the Code, and that CTS,
Purchaser and the Company will each be a party to such reorganization within the
meaning of Section 368(b) of the Code (the "Tax Opinion Condition"), and (iv) if
at any time on or after the date of the Merger Agreement and before acceptance
for payment of, or payment for, such Shares, any of the following events shall
have occurred and be continuing:
 
        (a) any United States or foreign governmental entity or authority or any
    United States or foreign court of competent jurisdiction in the United
    States or any foreign country shall have enacted, issued, promulgated,
    enforced or entered any statute, rule, regulation, executive order, decree,
    injunction or other order which is in effect and which (1) restricts,
    prevents or prohibits consummation of the transactions contemplated by the
    Merger Agreement, including the Offer or the Merger, (2) prohibits, limits
    or otherwise adversely affects the ownership or operation by CTS or any of
    its subsidiaries of all or any portion of the business or assets of the
    Company and its subsidiaries or compels the Company, CTS or any of their
    subsidiaries to dispose of or hold separate all or any portion of the
    business or assets of the Company and its subsidiaries, or (3) imposes
    limitations on the ability of CTS, Purchaser or any other subsidiary of CTS
    to exercise effectively full rights of ownership of any Shares, including
    without limitation the right to vote any Shares acquired by Purchaser
    pursuant to the Offer or otherwise on all matters properly presented to the
    Company's Shareholders,
 
                                       19
<PAGE>
    including without limitation the approval and adoption of the Merger
    Agreement and the transactions contemplated thereby;
 
        (b) there shall be instituted or pending any action or proceeding before
    any United States or foreign court or governmental entity or authority by
    any United States or foreign governmental entity or authority seeking any
    order, decree or injunction having any effect set forth in (a) above;
 
        (c) the representations and warranties of the Company contained in the
    Merger Agreement (without giving effect to the materiality, material adverse
    effect or knowledge limitations contained therein) shall not be true and
    correct as of the Expiration Date (as the same may be extended from time to
    time) as though made anew on and as of such date (except for representations
    and warranties made as of a specified date, which shall not be true and
    correct as of the specified date), except for any breach or breaches which,
    in the aggregate, could not be reasonably expected to have a material
    adverse effect on the business, financial condition or results of operations
    of the Company and its subsidiaries, taken as a whole, or on the ability of
    the Company to perform any of its obligations under the Merger Agreement;
 
        (d) the Company shall not have performed or complied in all material
    respects with its covenants under the Merger Agreement to which it is a
    party and such failure continues until the later of (1) 15 calendar days
    after actual receipt by it of written notice from CTS setting forth in
    detail the nature of such failure or (2) the Expiration Date;
 
        (e) there shall have occurred any material adverse change, or any
    development that is reasonably likely to result in a material adverse
    change, in the business, financial condition or results of operations of the
    Company and its subsidiaries, taken as a whole;
 
        (f) the Merger Agreement shall have been terminated in accordance with
    its terms;
 
        (g) the Company Board shall have withdrawn or materially modified or
    changed (including by amendment of Schedule 14D-9) in a manner adverse to
    Purchaser or CTS its recommendation of the Offer, the Merger or any of the
    transactions contemplated by the Merger Agreement;
 
        (h) there shall have occurred (1) any general suspension of, or
    limitation on prices for, trading in securities on the NYSE, (2) a decline
    of at least 20% in either the Dow Jones Average of Industrial Stocks or the
    Standard & Poor's 500 Index from the date of the Merger Agreement, or (3)
    the declaration of a banking moratorium or any limitation or suspension of
    payments in respect of the extension of credit by banks or other lending
    institutions in the United States; or
 
        (i) it shall have been publicly disclosed or CTS shall have otherwise
    learned that (1) any person or "group" (as defined in Section 13(d)(3) of
    the Exchange Act), other than CTS or its affiliates or any group of which
    any of them is a member or any affiliate controlled by it or which is
    referred to in clause (2) below, shall have acquired beneficial ownership
    (determined pursuant to Rule 13d-3 promulgated under the Exchange Act) of
    more than 20% of the Shares, (2) any such person or group which has filed a
    Schedule 13D prior to the date of the Merger Agreement disclosing beneficial
    ownership of 20% or more of the Shares shall have acquired beneficial
    ownership of 25% or more of the Shares, or (3) any person or group shall
    have entered into a definitive agreement or agreement in principle with the
    Company with respect to a merger, consolidation or other business
    combination with the Company.
 
The foregoing conditions are for the sole benefit of Purchaser and its
affiliates and may be asserted by Purchaser, or CTS on behalf of Purchaser,
regardless of the circumstances (including without limitation any action or
inaction by Purchaser or any of its affiliates other than a material breach by
Purchaser or CTS of the Merger Agreement) giving rise to any such condition or
may be waived by Purchaser, in whole or in part, from time to time in its sole
discretion, except as otherwise provided in the Merger Agreement. The failure by
Purchaser at any time to exercise any of the foregoing rights will not be deemed
a waiver of
 
                                       20
<PAGE>
any such right and each such right will be deemed an ongoing right and may be
asserted at any time and from time to time. Any good faith determination by
Purchaser concerning any of the events described herein will be final and
binding. Pursuant to the Merger Agreement, CTS may not cause Purchaser to waive
the Minimum Share Condition and the Tax Opinion condition without the Company's
consent.
 
    A public announcement will be made of a material change in, or waiver of,
such conditions to the extent required by Rules 14d-4(c) and 14d-6(d) under the
Exchange Act, and the Offer will be extended in connection with any such change
or waiver to the extent required by such rules.
 
ACCEPTANCE FOR PAYMENT AND PAYMENT FOR SHARES
 
    Upon the terms and subject to the conditions of the Offer (including, if the
Offer is extended or amended, the terms and conditions of any such extension or
amendment), Purchaser will purchase, by accepting for payment, and will pay for,
all Shares (up to 49.9% of the total number of Shares) which are validly
tendered prior to the Expiration Date (and not properly withdrawn in accordance
with the procedures set forth under "--Withdrawal Rights") promptly after the
later to occur of (i) the Expiration Date and (ii) the satisfaction or waiver of
the conditions set forth in "--Conditions of the Offer." Purchaser expressly
reserves the right, in its discretion, to delay acceptance for payment of, or,
subject to applicable rules of the Commission, payment for, Shares in order to
comply in whole or in part with any applicable law.
 
    In all cases, payment for Shares purchased pursuant to the Offer will be
made only after timely receipt by the Depositary of (i) the certificates
evidencing such Shares (the "Share Certificates") or timely confirmation of a
book-entry transfer (a "Book-Entry Confirmation") of such Shares, if such
procedure is available, into the Depositary's account at The Depository Trust
Company or the Philadelphia Depository Trust Company (each a "Book-Entry
Transfer Facility" and, collectively, the "Book-Entry Transfer Facilities")
pursuant to the procedures set forth in "--Procedures for Tendering Shares,"
(ii) the Letter of Transmittal (or facsimile thereof), properly completed and
duly executed, or, in the case of a book-entry transfer, an Agent's Message (as
defined below), and (iii) any other documents required by the Letter of
Transmittal. See "--Procedures for Tendering Shares."
 
    The term "Agent's Message" means a message, transmitted by a Book-Entry
Transfer Facility to, and received by, the Depositary and forming a part of a
Book-Entry Confirmation, which states that such Book-Entry Transfer Facility has
received an express acknowledgment from the participant in such Book-Entry
Transfer Facility tendering the Shares, that such participant has received and
agrees to be bound by the terms of the Letter of Transmittal and that Purchaser
may enforce such agreement against the participant.
 
    For purposes of the Offer, Purchaser will be deemed to have accepted for
payment, and thereby purchased, Shares validly tendered and not properly
withdrawn if, as and when Purchaser gives oral or written notice to the
Depositary of Purchaser's acceptance of such Shares for payment. Payment for
Shares accepted pursuant to the Offer will be made by deposit of the purchase
price therefor with the Depositary, which will act as agent for tendering
Shareholders for the purpose of receiving payments from Purchaser and
transmitting payments to such tendering Shareholders. If, for any reason,
acceptance for payment of any Shares tendered pursuant to the Offer is delayed,
or Purchaser is unable to accept for payment Shares tendered pursuant to the
Offer, then, without prejudice to Purchaser's rights under "--Conditions of the
Offer," the Depositary may, nevertheless, on behalf of Purchaser, retain the
tendered Shares, and such Shares may not be withdrawn, except to the extent that
the tendering Shareholders are entitled to withdrawal rights as described in
"--Withdrawal Rights" and as otherwise required by Rule 14e-1(c) under the
Exchange Act. Under no circumstances will interest on the purchase price for
Shares be paid by Purchaser, regardless of any delay in making such payment.
Purchaser will pay any stock transfer taxes incident to the transfer to it of
validly tendered Shares, except as otherwise provided in Instruction 6 of the
Letter of Transmittal, as well as any charges and expenses of the Depositary and
the Information Agent.
 
                                       21
<PAGE>
No fees or commissions will be paid to brokers, dealers or other persons (other
than the Information Agent and the Dealer Manager) for soliciting tenders of
Shares pursuant to the Offer.
 
    If any tendered Shares are not accepted for payment for any reason pursuant
to the terms and conditions of the Offer, or if Share Certificates are submitted
evidencing more Shares than are tendered, Share Certificates evidencing Shares
not purchased will be returned, without expense to the tendering Shareholder
(or, in the case of Shares tendered by book-entry transfer into the Depositary's
account at a Book-Entry Transfer Facility pursuant to the procedure set forth in
"--Procedures for Tendering Shares," such Shares will be credited to an account
maintained at such Book-Entry Transfer Facility), as promptly as practicable
following the expiration or termination of the Offer.
 
    If, prior to the Expiration Date, Purchaser increases the consideration to
be paid per Share pursuant to the Offer, Purchaser will pay such increased
consideration for all such Shares purchased pursuant to the Offer, whether or
not such Shares were tendered prior to such increase in consideration.
 
    Subject to the terms of the Merger Agreement, Purchaser reserves the right
to transfer or assign, in whole at any time, or in part from time to time, to
CTS or one or more direct or indirect wholly owned subsidiaries of CTS, the
right to purchase all or any portion of the Shares tendered pursuant to the
Offer, provided that any such transfer or assignment will not relieve Purchaser
of its obligations under the Offer and will in no way prejudice the rights of
tendering Shareholders to receive payment for Shares validly tendered and
accepted for payment pursuant to the Offer.
 
PROCEDURES FOR TENDERING SHARES
 
    VALID TENDER OF SHARES.  In order for Shares to be validly tendered pursuant
to the Offer, the Letter of Transmittal (or facsimile thereof), properly
completed and duly executed, with any required signature guarantees, or an
Agent's Message (in the case of any book-entry transfer) and any other required
documents, must be received by the Depositary at one of its addresses set forth
on the back cover of this Offer To Purchase prior to the Expiration Date and
either (i) the Share Certificates evidencing tendered Shares must be received by
the Depositary at one of such addresses or Shares must be tendered pursuant to
the procedure for book-entry transfer described below and a Book-Entry
Confirmation must be received by the Depositary, in each case prior to the
Expiration Date, or (ii) the tendering Shareholder must comply with the
guaranteed delivery procedures described below. No alternative, conditional or
contingent tenders will be accepted.
 
    THE METHOD OF DELIVERY OF SHARE CERTIFICATES AND ALL OTHER REQUIRED
DOCUMENTS, INCLUDING DELIVERY THROUGH A BOOK-ENTRY TRANSFER FACILITY, IS AT THE
OPTION AND RISK OF THE TENDERING SHAREHOLDER, AND THE DELIVERY WILL BE DEEMED
MADE ONLY WHEN ACTUALLY RECEIVED BY THE DEPOSITARY. IF DELIVERY IS BY MAIL,
REGISTERED MAIL WITH RETURN RECEIPT REQUESTED, PROPERLY INSURED, IS RECOMMENDED.
IN ALL CASES, SUFFICIENT TIME SHOULD BE ALLOWED TO ENSURE TIMELY DELIVERY.
 
    BOOK-ENTRY TRANSFER.  The Depositary will establish an account with respect
to the Shares at each of the Book-Entry Transfer Facilities for purposes of the
Offer within two business days after the date of this Offer To Purchase, and any
financial institution that is a participant in either of the Book-Entry Transfer
Facilities' system may make book-entry delivery of Shares by causing the
Book-Entry Transfer Facility to transfer such Shares into the Depositary's
account at a Book-Entry Transfer Facility in accordance with such Book-Entry
Transfer Facility's procedures for transfer. However, although delivery of
Shares may be effected through book-entry transfer at the Book-Entry Transfer
Facility, the Letter of Transmittal (or a manually signed facsimile thereof),
properly completed and duly executed, with any required signature guarantees and
any other required documents must, in any case, be transmitted to and received
by the Depositary at one of its addresses set forth on the back cover of this
Offer To Purchase prior to the Expiration Date or the tendering Shareholder must
comply with the guaranteed delivery procedures described below. The confirmation
of a book-entry transfer of shares into the Depositary's account at a Book Entry
Transfer Facility as described above is referred to as a "Book-Entry
Confirmation." DELIVERY OF
 
                                       22
<PAGE>
DOCUMENTS TO A BOOK-ENTRY TRANSFER FACILITY IN ACCORDANCE WITH SUCH BOOK-ENTRY
TRANSFER FACILITY'S PROCEDURES DOES NOT CONSTITUTE DELIVERY TO THE DEPOSITARY.
 
    SIGNATURE GUARANTEE.  Signatures on all Letters of Transmittal must be
guaranteed by a firm which is a bank, broker, dealer, credit union, savings
association or other entity that is a member in good standing of the Securities
Transfer Agents Medallion Program (each, an "Eligible Institution"), unless the
Shares tendered thereby are tendered (i) by a registered holder of Shares who
has not completed either the box entitled "Special Delivery Instructions" or the
box entitled "Special Payment Instructions" on the Letter of Transmittal or (ii)
for the account of an Eligible Institution. See Instruction 1 of the Letter of
Transmittal.
 
    If a Share Certificate is registered in the name of a person other than the
signer of the Letter of Transmittal, or if payment is to be made, or a Share
Certificate not accepted for payment or not tendered is to be returned, to a
person other than the registered holder(s), then the Share Certificate must be
endorsed or accompanied by appropriate stock powers, in either case signed
exactly as the name(s) of the registered holder(s) appear on the Share
Certificate, with the signature(s) on such Share Certificate or stock powers
guaranteed as described above. See Instructions 1 and 5 of the Letter of
Transmittal.
 
    GUARANTEED DELIVERY.  If a Shareholder desires to tender Shares pursuant to
the Offer and such Shareholder's Share Certificates are not immediately
available or time will not permit all required documents to reach the Depositary
prior to the Expiration Date or the procedure for book-entry transfer cannot be
completed on a timely basis, such Shares may nevertheless be tendered if all the
following conditions are satisfied:
 
        (i) the tender is made by or through an Eligible Institution;
 
        (ii) a properly completed and duly executed Notice of Guaranteed
    Delivery, substantially in the form provided by Purchaser herewith, is
    received by the Depositary as provided below prior to the Expiration Date;
    and
 
       (iii) in the case of a guarantee of Shares, the Share Certificates for
    all tendered Shares, in proper form for transfer, or a Book-Entry
    Confirmation, together with a properly completed and duly executed Letter of
    Transmittal (or manually signed facsimile thereof) with any required
    signature guarantee (or, in the case of a book-entry transfer, an Agent's
    Message) and any other documents required by such Letter of Transmittal, are
    received by the Depositary within three NYSE trading days after the date of
    execution of the Notice of Guaranteed Delivery.
 
    Any Notice of Guaranteed Delivery may be delivered by hand or transmitted by
telegram, facsimile transmission or mail to the Depositary and must include a
guarantee by an Eligible Institution in the form set forth in the Notice of
Guaranteed Delivery.
 
    IN ALL CASES, SHARES SHALL NOT BE DEEMED VALIDLY TENDERED, UNLESS A PROPERLY
COMPLETED AND DULY EXECUTED LETTER OF TRANSMITTAL (OR A MANUALLY SIGNED
FACSIMILE) IS RECEIVED BY THE DEPOSITARY.
 
    Notwithstanding any other provision hereof, payment for Shares purchased
pursuant to the Offer will, in all cases, be made only after timely receipt by
the Depositary of (i) the Share Certificates evidencing such Shares, or a
Book-Entry Confirmation of the delivery of such Shares, if available, (ii) a
properly completed and duly executed Letter of Transmittal (or manually signed
facsimile thereof) and (iii) any other documents required by the Letter of
Transmittal.
 
    DISTRIBUTION OF RIGHTS.  Holders of Shares will be required to tender one
Right for each Share tendered to effect a valid tender of such Share. Unless and
until the Distribution Date occurs (see "Certain Information Concerning the
Company--The Rights"), the Rights are represented by and transferred with the
Shares. Accordingly, if the Distribution Date does not occur prior to the
Expiration Date of the Offer, a tender of Shares will constitute a tender of the
associated Rights. If a Distribution Date has occurred, certificates
representing a number of Rights equal to the number of Shares being tendered
must be
 
                                       23
<PAGE>
delivered to the Depositary in order for such Shares to be validly tendered. If
a Distribution Date has occurred, a tender of Shares without Rights constitutes
an agreement by the tendering Shareholder to deliver certificates representing a
number of Rights equal to the number of Shares tendered pursuant to the Offer to
the Depositary within three NYSE trading days after the date such certificates
are distributed. Purchaser reserves the right to require that it receive such
certificates prior to accepting Shares for payment. If a Distribution Date has
occurred, unless the Rights are redeemed prior to the Expiration Date,
Shareholders who sell their Rights separately from their Shares and do not
otherwise acquire Rights may not be able to satisfy the requirements of the
Offer for the tender of Shares. Payment for Shares tendered and purchased
pursuant to the Offer will be made only after timely receipt by the Depositary
of, among other things, such certificates, if such certificates have been
distributed to holders of Shares. Purchaser will not pay any additional
consideration for the Rights tendered pursuant to the Offer.
 
    DETERMINATION OF VALIDITY.  All questions as to the validity, form,
eligibility (including time of receipt) and acceptance for payment of any
tendered Shares pursuant to any of the procedures described above will be
determined by Purchaser in its sole discretion, whose determination will be
final and binding on all parties. Purchaser reserves the absolute right to
reject any or all tenders of any Shares determined by it not to be in proper
form or if the acceptance for payment of, or payment for, such Shares may, in
the opinion of Purchaser's counsel, be unlawful. Purchaser also reserves the
absolute right, in its sole discretion, to waive any of the conditions of the
Offer or any defect or irregularity in any tender with respect to Shares of any
particular Shareholder, whether or not similar defects or irregularities are
waived in the case of other Shareholders. No tender of Shares will be deemed to
have been validly made until all defects and irregularities have been cured or
waived.
 
    Purchaser's interpretation of the terms and conditions of the Offer
(including the Letter of Transmittal and the instructions thereto) will be final
and binding. No tender of Shares will be deemed to have been validly made until
all defects and irregularities have been cured or waived. None of CTS,
Purchaser, the Company, the Depositary, the Information Agent, the Dealer
Manager or any other person will be under any duty to give notification of any
defects or irregularities in tenders or will incur any liability for failure to
give any such notification.
 
    APPOINTMENT AS PROXY.  By executing a Letter of Transmittal as set forth
above, a tendering Shareholder irrevocably appoints designees of Purchaser as
such Shareholder's proxies, each with full power of substitution and
resubstitution, to the full extent of such Shareholder's rights with respect to
the Shares tendered by such Shareholder and accepted for payment by Purchaser
(and any and all noncash dividends, distributions, rights, other Shares or other
securities issued or issuable in respect of such Shares after the date that the
Shares are accepted for payment). All such proxies shall be considered coupled
with an interest in the tendered Shares. This appointment will be effective if,
when and only to the extent that, Purchaser accepts such Shares for payment
pursuant to the Offer. Upon such acceptance for payment, all prior proxies given
by such Shareholder with respect to such Shares and other securities will,
without further action, be revoked, and no subsequent proxies may be given. The
designees of Purchaser will, with respect to the Shares and other securities for
which the appointment is effective, be empowered to exercise all voting and
other rights of such Shareholder as they in their sole discretion may deem
proper at any annual, special, adjourned or postponed meeting of the
Shareholders by written consent or otherwise, and Purchaser reserves the right
to require that, in order for Shares or other securities to be deemed validly
tendered, immediately upon Purchaser's acceptance for payment of such Shares,
Purchaser must be able to exercise full voting rights with respect to such
Shares. In the event that WHX proceeds with the proxy solicitation relating to
the Company's Annual Meeting and proposals made by WHX for consideration thereof
described in "Background of the Combination," Purchaser presently intends to
vote any Shares over which it has voting power, including pursuant to any proxy
appointments described herein, against such proposals.
 
                                       24
<PAGE>
    CERTAIN TAX MATTERS.  TO PREVENT BACKUP FEDERAL INCOME TAX WITHHOLDING WITH
RESPECT TO PAYMENT TO CERTAIN SHAREHOLDERS OF THE PURCHASE PRICE FOR SHARES
PURCHASED PURSUANT TO THE OFFER, EACH SUCH SHAREHOLDER MUST PROVIDE THE
DEPOSITARY WITH SUCH SHAREHOLDER'S CORRECT TAXPAYER IDENTIFICATION NUMBER AND
CERTIFY THAT SUCH SHAREHOLDER IS NOT SUBJECT TO BACKUP FEDERAL INCOME TAX
WITHHOLDING BY COMPLETING THE SUBSTITUTE FORM W-9 IN THE LETTER OF TRANSMITTAL.
IF BACKUP WITHHOLDING APPLIES WITH RESPECT TO A SHAREHOLDER, THE DEPOSITARY IS
REQUIRED TO WITHHOLD 31% OF ANY PAYMENTS MADE TO SUCH SHAREHOLDER. SEE
INSTRUCTION 9 OF THE LETTER OF TRANSMITTAL. SEE "SPECIAL CONSIDERATIONS RELATING
TO THE COMBINATION-- CERTAIN FEDERAL INCOME TAX CONSEQUENCES."
 
    GENERAL.  Purchaser's acceptance for payment of Shares tendered pursuant to
the Offer will constitute a binding agreement between the tendering Shareholder
and Purchaser upon the terms and subject to the conditions of the Offer.
 
WITHDRAWAL RIGHTS
 
    Tenders of Shares made pursuant to the Offer are irrevocable except that
such Shares may be withdrawn at any time prior to the Expiration Date and,
unless theretofore accepted for payment by Purchaser pursuant to the Offer, may
also be withdrawn at any time after July 14, 1997.
 
    If Purchaser extends the Offer, is delayed in its acceptance for payment of
Shares or is unable to accept Shares for payment pursuant to the Offer for any
reason, then, without prejudice to Purchaser's rights under the Offer, the
Depositary may, nevertheless, on behalf of Purchaser, retain tendered Shares,
and such Shares may not be withdrawn except to the extent that tendering
Shareholders are entitled to withdrawal rights as described in this Section. Any
such delay will be by an extension of the Offer to the extent required by law.
 
    The reservation by Purchaser of the right to delay the acceptance or
purchase of or payment for Shares is subject to the provisions of Rule 14e-1(c)
under the Exchange Act, which requires Purchaser to pay the consideration
offered or to return Shares deposited by or on behalf of Shareholders promptly
after the termination or withdrawal of the Offer.
 
    For a withdrawal to be effective, a written, telegraphic or facsimile
transmission notice of withdrawal must be timely received by the Depositary at
one of its addresses set forth on the back cover of this Offer To Purchase. Any
such notice of withdrawal must specify the name of the person who tendered the
Shares to be withdrawn, the number of Shares to be withdrawn and the name of the
registered holder, if different from that of the person who tendered such
Shares. If Share Certificates evidencing Shares to be withdrawn have been
delivered or otherwise identified to the Depositary, then, prior to the physical
release of such Share Certificates, the serial numbers shown on such Share
Certificates must be submitted to the Depositary and the signature(s) on the
notice of withdrawal must be guaranteed by an Eligible Institution, unless such
Shares have been tendered for the account of an Eligible Institution. If Shares
have been tendered pursuant to the procedure for book-entry transfer as set
forth in "--Procedures for Tendering Shares," any notice of withdrawal must also
specify the name and number of the account at a Book-Entry Transfer Facility to
be credited with the withdrawn Shares.
 
    All questions as to the form and validity (including time of receipt) of
notices of withdrawal will be determined by Purchaser, in its sole discretion,
whose determination will be final and binding. No withdrawal of Shares will be
deemed to have been made properly until all defects and irregularities have been
cured or waived. None of CTS, Purchaser, the Depositary, the Information Agent
or any other person will be under any duty to give notification of any defects
or irregularities in any notice of withdrawal or incur any liability for failure
to give any such notification.
 
    Any Shares properly withdrawn will thereafter be deemed not to have been
validly tendered for purposes of the Offer. However, withdrawn Shares may be
retendered at any time prior to the Expiration Date by following the procedures
described in "--Procedures for Tendering Shares."
 
                                       25
<PAGE>
                      THE MERGER AND THE MERGER AGREEMENT
 
    THE FOLLOWING IS A SUMMARY OF THE MATERIAL TERMS OF THE MERGER AGREEMENT.
THIS SUMMARY IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO THE FULL TEXT OF THE
MERGER AGREEMENT, WHICH IS INCORPORATED BY REFERENCE AND A COPY OF WHICH HAS
BEEN FILED WITH THE COMMISSION AS AN EXHIBIT TO THE SCHEDULE 14D-1. THE MERGER
AGREEMENT MAY BE EXAMINED, AND COPIES OBTAINED FROM THE OFFICES OF THE
COMMISSION, IN THE SAME MANNER AS SET FORTH IN "CERTAIN INFORMATION CONCERNING
PURCHASER AND CTS--SELECTED FINANCIAL INFORMATION."
 
AGREEMENTS WITH RESPECT TO THE OFFER
 
    The Merger Agreement contemplates the commencement of the Offer and
prescribes the conditions to the consummation of the Offer. See "The
Offer--Conditions of the Offer." Without the prior written consent of the
Company, Purchaser has agreed not to (and CTS has agreed to cause Purchaser not
to) (i) decrease the Offer Price or change the form of the Offer consideration,
(ii) change the conditions to the Offer or impose additional conditions to the
Offer, (iii) increase the number of Shares to be purchased pursuant to the Offer
to more than 50.1% of the Shares (calculated on a fully diluted basis), (iv)
extend the Expiration Date (except (a) as required by applicable law and (b)
that, in the event that any condition to the Offer is not satisfied or waived at
the time that the Expiration Date would otherwise occur, (1) Purchaser must
extend the Expiration Date for an aggregate of 20 additional business days (the
"First Extension Date") to the extent necessary to permit such condition to be
satisfied and (2) Purchaser may, in its sole discretion, extend the Expiration
Date for up to 20 additional business days after the First Extension Date, or
(v) amend any term of the Offer in any manner materially adverse to the
Shareholders (including without limitation to result in any extension which
would be inconsistent with the preceding provisions of this sentence), provided,
however, that, (a) subject to applicable legal requirements, CTS may cause
Purchaser to waive any condition to the Offer other than the Minimum Share
Condition and the Tax Opinion Condition (see "The Offer--Conditions of the
Offer"), in CTS' sole discretion, and (b) the Offer may be extended in
connection with an increase in the consideration to be paid pursuant to the
Offer to comply with applicable rules and regulations of the Commission.
 
THE MERGER
 
    Subject to the terms and conditions of the Merger Agreement and in
accordance with the NYBCL, at the Effective Time the Company will merge with and
into Purchaser. Purchaser will be the surviving corporation in the Merger, and
will continue its corporate existence under New York law. Purchaser's charter
will be the Certificate of Incorporation of the Surviving Corporation, and
Purchaser's By-laws will be the By-Laws of the Surviving Corporation.
 
    As of the Effective Time, by virtue of the Merger and without any action on
the part of any holder of Shares, each issued and outstanding Share other than
Shares owned by the Company, CTS or any wholly owned subsidiary of the Company
or CTS (or Shares accepted for payment by Purchaser pursuant to the Offer), will
be converted into the right to receive 0.88 fully paid and nonassessable CTS
Shares (except that cash will be paid in lieu of fractional shares as described
under "--Procedures for Exchange of Certificates; Fractional Shares"). As of the
Effective Time, all such Shares will no longer be outstanding, will
automatically be cancelled and retired and will cease to exist and each holder
of a certificate representing any Shares will cease to have any rights in
respect thereto except the right to receive the Merger Consideration and any
cash in lieu of fractional shares. See "--Procedures for Exchange of
Certificates; Fractional Shares." Any Shares owned immediately prior to the
Effective Time by the Company, CTS or any of their wholly owned subsidiaries
will be cancelled. If the Stock Split is effective immediately after the
Effective Time, the Exchange Ratio will be adjusted to be 1.76, rather than
0.88.
 
                                       26
<PAGE>
PROCEDURES FOR EXCHANGE OF CERTIFICATES; FRACTIONAL SHARES
 
    As soon as reasonably practicable after the Effective Time, The First
National Bank of Boston or another bank or trust company designated by CTS, in
its capacity as Exchange Agent (the "Exchange Agent"), will send a transmittal
letter to each Shareholder whose Shares were converted into CTS Shares in the
Merger. The transmittal letter will contain instructions with respect to the
surrender of certificates previously representing the Shares converted in the
Merger.
 
    After the Effective Time, each certificate that previously represented
Shares will represent only the right to receive CTS Shares into which such
Shares were converted in the Merger and the right to receive cash in lieu of
fractional Shares as described below.
 
    Holders of certificates previously representing Shares will not be paid
dividends or distributions on the CTS Shares into which such Shares have been
converted with a record date after the Effective Time, and will not be paid cash
in lieu of fractional CTS Shares, until such certificates are surrendered to the
Exchange Agent for exchange. When such certificates are surrendered, any unpaid
dividends and any cash in lieu of fractional CTS Shares payable as described
below will be paid without interest.
 
    In the event of a transfer of ownership of the Shares which is not
registered in the transfer records of the Company, a certificate representing
the proper number of CTS Shares may be issued to a person other than the person
in whose name the certificate so surrendered is registered if such certificate
shall be properly endorsed or otherwise be in proper form for transfer and the
person requesting such issuance shall pay any transfer or other taxes required
by reason of the issuance of CTS Shares to a person other than the registered
holder of such certificate or establish to the satisfaction of CTS that such tax
has been paid or is not applicable.
 
    All CTS Shares issued upon conversion of the Shares (including any cash paid
in lieu of any fractional CTS Shares) will be deemed to have been issued in full
satisfaction of all rights pertaining to such Shares.
 
    No fractional CTS Shares will be issued to any Shareholder upon surrender of
certificates previously representing the Shares. For each fractional share that
would otherwise be issued, CTS will make available to such Shareholder an amount
in cash determined in the manner set out in the next two succeeding paragraphs.
 
    As promptly as practicable following the Effective Time, the Exchange Agent
will determine the excess of (i) the number of whole CTS Shares delivered to the
Exchange Agent by CTS pursuant to the Merger Agreement over (ii) the aggregate
number of whole CTS Shares to be distributed to Shareholders pursuant to the
Merger (such excess being herein called the "Excess Shares"). The Exchange Agent
will sell the Excess Shares at then-prevailing prices on the NYSE and will hold
the proceeds of such sale or sales, in trust for such Shareholders entitled
thereto (the "Common Share Trust"). Promptly following such sale or sales, the
Exchange Agent will determine the portion of the Common Share Trust to which
each Shareholder is entitled, if any, by multiplying the amount of the aggregate
net proceeds comprising the Common Share Trust by a fraction, the numerator of
which is the amount of the fractional share interest to which such Shareholder
is entitled (after taking into account all Shares held at the Effective Time by
such Shareholder) and the denominator of which is the aggregate amount of
fractional share interests to which all Shareholders are entitled.
 
    Notwithstanding the preceding paragraph, CTS may elect at its option,
exercised prior to the Effective Time, in lieu of the issuance and sale of
Excess Shares and the making of the payments hereinabove contemplated, to pay
each Shareholder an amount in cash equal to the product obtained by multiplying
(i) the fractional share interest to which such Shareholder (after taking into
account all Shares held at the Effective Time by such Shareholder) would
otherwise be entitled by (ii) the average closing price for a CTS Share as
reported on the NYSE Composite Transaction Tape (as reported in the WALL STREET
JOURNAL, or, if not reported thereby, any other authoritative source) (the
"Average Closing Price") for the ten trading days prior to the closing date of
the Merger.
 
                                       27
<PAGE>
SHAREHOLDER APPROVAL OF THE MERGER
 
    The Merger Agreement provides that the Company and CTS will, as soon as
practicable following the date of the Merger Agreement, duly call, give notice
of, convene and hold a meeting of their respective shareholders for the purpose
of approving the Merger Agreement and the transactions contemplated thereby (in
the case of the Company) and for the purpose of approving the CTS Charter
Amendments and the issuance of CTS Shares in connection with the Merger (in the
case of CTS). The affirmative vote of the holders of two-thirds of the voting
power of all the voting shares at the Company's Shareholder meeting is required
to approve and adopt the Merger Agreement. The affirmative vote of the holders
of a majority of the voting power of all outstanding CTS Shares voting as a
single class at the CTS Shareholder meeting is required to approve the
amendments to the CTS Articles of Incorporation described in "-- Amendments to
CTS Charter and Bylaws" and the affirmative vote of the holders of the CTS
Shares at the CTS Shareholder meeting is required to approve the issuance of CTS
Shares in connection with the Merger.
 
    The Company currently owns 44.1% of the issued and outstanding CTS Shares,
24.5% of which has voting rights (the "Company-Owned CTS Stock"). The Company
has agreed that, during the period from May 9, 1997 until the Effective Time or
the termination of the Merger Agreement in accordance with its
terms, (i) it will not sell, transfer or pledge any Company-Owned CTS Shares or
any other equity securities of CTS beneficially owned by it ("CTS Securities")
and (ii) it will vote the CTS Securities in favor of the adoption of the
proposed CTS Charter Amendments and the approval of the other transactions
contemplated by the Merger Agreement or in furtherance thereof and against any
competing transaction and certain other material changes in CTS' business and
corporate governance. CTS has similarly agreed in respect to the Company's
equity securities owned by it or its Subsidiaries (including Purchaser),
including Shares purchased in the Offer, and has agreed to substantially similar
transfer restrictions. In addition, the Company has agreed that, during the
period from May 9, 1997 to the Offer Completion Date (as defined under "--No
Shop Covenant") plus two calendar days (unless the second calendar day is not a
business day, in which case the period will include the business day following
the second calendar day) (the "Open Period") it will take all actions, including
voting the CTS Securities in favor thereof, as are requested by CTS to adjourn
or postpone CTS' 1997 annual shareholders meeting to such date within the Open
Period as may be requested by CTS. CTS and the Company have agreed that, in any
event, the parties will take all actions that may be required to adjourn CTS'
1997 annual shareholders meeting to June 24, 1997.
 
REPRESENTATIONS AND WARRANTIES
 
    The Merger Agreement contains customary representations and warranties
relating to, among other things, (i) organization, standing and corporate power;
(ii) subsidiaries; (iii) capital structures; (iv) authorization, execution,
delivery, performance and enforceability of, and required consents, approvals,
orders and authorizations of governmental authorities relating to, the Merger
Agreement; (v) the accuracy of information in documents filed with the
Commission and the absence of undisclosed liabilities; (vi) the accuracy of
information supplied in connection with this Offer To Purchase and the related
filings with the Commission; (vii) absence of material changes or events; (viii)
the absence of material litigation; (ix) required shareholder votes; (x) the
satisfaction of certain state takeover statutes; (xi) engagement and payment of
fees of brokers, investment bankers, finders and financial advisors; (xii)
receipt of fairness opinions; (xiii) ownership of the other parties' capital
stock; (xiv) the inapplicability of the Company Rights Agreement; (xv) certain
employment agreements between the Company, CTS and certain of the Company's and
CTS' employees; and (xvi) certain tax matters.
 
CONDUCT OF BUSINESS PENDING MERGER
 
    Pursuant to the Merger Agreement, CTS and the Company have each agreed to
carry on their respective businesses in the usual, regular and ordinary course
in substantially the same manner as conducted prior to the execution of the
Merger Agreement and, to the extent consistent therewith, use all reasonable
efforts to preserve intact their current business organizations, use reasonable
efforts to keep available the services of their current officers and other key
employees and preserve their relationships with those persons and entities
having business dealings with them to the end that their goodwill and
 
                                       28
<PAGE>
ongoing businesses will be unimpaired at the Effective Time. In addition, CTS
and the Company have each agreed that during the period from May 9, 1997 to the
Effective Time, among other things and subject to certain exceptions, neither it
nor any of its subsidiaries may:
 
        (i) declare, set aside or pay any dividends on, or make any other
    distributions in respect of, any capital stock, other than certain dividends
    and distributions by a subsidiary and other than the regular quarterly or
    semi-annual dividends, or split, combine or reclassify any of its capital
    stock or issue or authorize the issuance of any other securities in respect
    of, in lieu of or in substitution for shares of its capital stock, or
    purchase, redeem or otherwise acquire any shares of its capital stock or its
    significant subsidiaries' capital stock or any rights, warrants or options
    to acquire any such securities; provided, however, CTS may (A) effect the
    Stock Split and (B) under certain conditions, declare a dividend of rights
    in connection with the adoption of a rights plan (the "CTS Rights");
 
        (ii) issue, deliver, sell, pledge or otherwise encumber any shares of
    capital stock, any other voting securities or any securities convertible
    into or any rights, warrants or options to acquire any such shares, other
    than pursuant to existing employee stock options, the issuance of CTS Rights
    and the Stock Split;
 
       (iii) amend its certificate or articles, as applicable, of incorporation,
    by-laws or other comparable organizational documents; or
 
        (iv) make any material change to accounting methods, principles or
    practices, except as may be required by generally accepted accounting
    principles.
 
The Company has further agreed, among other things and subject to certain
exceptions, that neither it nor any of its subsidiaries will:
 
        (i) acquire by merging or consolidating with, or by purchasing a
    substantial portion of the assets of, or by any other manner, any business
    entity or other business organization;
 
        (ii) sell, lease, license, mortgage or otherwise encumber or subject to
    any lien or otherwise dispose of any properties or assets, other than (A) in
    the ordinary course of business or (B) sales of assets that individually or
    in the aggregate do not exceed $1 million;
 
       (iii) incur any indebtedness for borrowed money or guarantee any such
    indebtedness of another person, issue or sell any debt securities or
    warrants or other rights to acquire any debt securities of the Company or
    any of its subsidiaries, guarantee any debt securities of another person,
    enter into any "keep well" or other agreement to maintain any financial
    statement condition of another person or enter into any arrangement having
    the economic effect of any of the foregoing, except for short-term
    borrowings incurred in the ordinary course of business consistent with past
    practice;
 
        (iv) make any loans, advances or capital contributions to, or
    investments in, any other person, other than to subsidiaries or to officers
    and to employees for travel, business or relocation expenses in the ordinary
    course of business;
 
        (v) make or agree to make any new capital expenditure other than as set
    forth in existing operating budgets;
 
        (vi) except as required by law or contemplated by the Merger Agreement,
    enter into, adopt or amend in any material respect or terminate any employee
    benefit plan or any other agreement, plan or policy involving the Company or
    any of its subsidiaries and one or more of their directors, officers or
    employees, or materially change any actuarial or other assumption used to
    calculate funding obligations with respect to any Company pension plans, or
    change the manner in which contributions to any Company pension plans are
    made or the basis on which such contributions are determined; or
 
       (vii) increase the compensation of any director, executive officer or
    other key employee of the Company or pay any benefit or amount not required
    by a plan or arrangement as in effect on the date of this Agreement to any
    such person;
 
      (viii) enter into any contract or agreement, written or oral, with any
    affiliate, associate or relative of CTS, or make any payment to or for the
    benefit of, directly or indirectly, any of the foregoing; or
 
                                       29
<PAGE>
        (ix) make any amendment to, or waive or enter into or give any binding
    interpretation of, any term of a certain agreement with certain
    Shareholders.
 
NO-SHOP COVENANT
 
    Pursuant to the Merger Agreement, the Company and CTS will not, directly or
indirectly, (i) solicit, initiate or encourage (including by way of furnishing
information), or take any other action designed to facilitate, any inquiries or
the making of any Takeover Proposal or (ii) participate in any discussions or
negotiations regarding any Takeover Proposal; provided, however, that if, at any
time prior to, with respect to the Company, the Offer Completion Date or, with
respect to CTS, the Effective Time, the Company Board (with respect to the
Company) or the Unaffiliated CTS Directors (with respect to CTS) determine in
good faith, after consultation with advisors, that the failure to do so would
create a reasonable possibility of a breach of their fiduciary duties to its
shareholders under applicable law, such party may, in response to a Takeover
Proposal which was not solicited by it or which did not otherwise result from a
breach of the covenant described in this paragraph, furnish information with
respect to it and its subsidiaries to any person pursuant to a customary
confidentiality agreement and participate in negotiations regarding such
Takeover Proposal.
 
    Except as expressly permitted by the Merger Agreement, neither the Company
Board nor the CTS Board, nor any committee thereof, will (i) withdraw or modify,
or propose publicly to withdraw or modify, in a manner adverse to the other
party, the approval or recommendation by such board of directors or such
committee of the Merger or the Merger Agreement, (ii) approve or recommend, or
propose publicly to approve or recommend, any Takeover Proposal, or (iii) cause
such party to enter into any letter of intent, agreement in principle,
acquisition agreement or other similar agreement related to any Takeover
Proposal (an "Acquisition Agreement"). Notwithstanding the foregoing, in the
event that prior to the earlier to occur of (a) the date on which Purchaser
purchases shares pursuant to the Offer and (b) the Effective Time (the "Offer
Completion Date"), the Company Board (with respect to the Company) or a majority
of the members of the CTS Board who are Unaffiliated CTS Directors (with respect
to CTS) determines in good faith, (and with respect to the Company, after the
Company has received a Takeover Proposal and with respect to CTS, after CTS has
received a Takeover Proposal) and after consultation with advisors, that the
failure to do so would create a reasonable possibility of a breach of their
fiduciary duties to its shareholders under applicable law, the Company Board
(with respect to the Company) or a majority of the members of the CTS Board who
are Unaffiliated CTS Directors (with respect to CTS) may withdraw or modify its
approval or recommendation of the Offer, the Merger or the Merger Agreement,
approve or recommend a Takeover Proposal, or terminate the Merger Agreement
(such termination, a "Fiduciary Out"), but only if (A) the terminating party
pays its respective termination fee (see "-- Inducement Fee and Termination
Fees") and (B) with respect to the Company's Fiduciary Duty, prior to any such
termination which is to be effective within two business days of CTS' 1997
annual shareholders meeting or any postponement or adjournment thereof, the
Company shall have given CTS at least two business days notice of the
effectiveness of such termination.
 
    A "Takeover Proposal" is defined, with respect to either the Company or CTS,
to be any inquiry, proposal or offer from any person or entity relating to any
direct or indirect acquisition or purchase of 20% or more of such party's and
its subsidiaries' assets or 20% or more of any class of equity securities of
such party or any of its subsidiaries, any tender offer or exchange offer that
if consummated would result in any person owning 20% or more of any class of
equity securities of such party or any of its subsidiaries or any merger,
consolidation, business combination, recapitalization, liquidation, dissolution
or similar transaction involving such party or any of its subsidiaries other
than the transactions contemplated by the Merger Agreement.
 
                                       30
<PAGE>
INDUCEMENT FEE AND TERMINATION FEES
 
    As an inducement to CTS and Purchaser to enter into the Merger Agreement and
perform their respective obligations thereunder, on May 9, 1997, the Company
paid $2.0 million to CTS (the "Inducement Fee"). The Inducement Fee is not
subject to refund or return for any reason whatever and may not be used as an
offset against or otherwise applied to any obligation of the Company, including
without limitation the obligation to pay a termination fee. In addition, the
Merger Agreement provides that the Company will pay CTS a $3.0 million fee in
the event that (i) a Takeover Proposal with respect to the Company (other than
WHX Corporation's $45.00 cash tender offer) is made known to the Company or any
of its subsidiaries or has been made directly to Shareholders generally or any
person or entity publicly announces an intention (whether or not conditional) to
make such a Takeover Proposal and thereafter the Merger Agreement is terminated
by the Company or CTS because either the Merger has not been consummated by
September 30, 1997 or the Company Shareholders have not approved the Merger at
the shareholders meeting called for such purpose, (ii) the Merger Agreement is
terminated (a) by the Company pursuant to its Fiduciary Out or (b) by CTS
because the Company Board or any committee thereof has (1) withdrawn or modified
in a manner adverse to CTS its approval or recommendation of the Offer, the
Merger or the Merger Agreement or failed to reconfirm its approval within the
prescribed time, (2) has approved or recommended, or proposed publicly to do so,
any Takeover Proposal with respect to the Company, (3) caused the Company to
enter into an Acquisition Agreement or, (4) resolved to take any of the
foregoing actions.
 
    The Merger Agreement provides that CTS will pay the Company a $5.0 million
fee in the event that (i) a Takeover Proposal with respect to CTS is made known
to CTS or any of its subsidiaries or has been made directly to shareholders
generally or any person or entity publicly announces an intention (whether or
not conditional) to make such a Takeover Proposal and thereafter the Merger
Agreement is terminated by CTS or the Company because either the Merger has not
been consummated by September 30, 1997 or CTS' Shareholders have not approved
the issuance of CTS Shares in connection with the Merger and adopted the CTS
Charter Amendments at the shareholders meeting called for such purpose, (ii) the
Merger Agreement is terminated (a) by CTS pursuant to its Fiduciary Out or (b)
by the Company because the CTS Board or any committee thereof has (1) withdrawn
or modified in a manner adverse to the Company its approval or recommendation of
the Offer, the Merger or the Merger Agreement or failed to reconfirm its
approval within the prescribed time, (2) has approved or recommended, or
proposed publicly to do so, any Takeover Proposal with respect to CTS, (3)
caused CTS to enter into an Acquisition Agreement, or (4) resolved to take any
of the foregoing actions.
 
    Except as described above, all costs and expenses incurred in connection
with the Merger Agreement and the transactions contemplated by the Merger
Agreement will be paid by the party incurring the cost or expense, except that
the Company and CTS will each pay one half of the cost of (1) filing, printing
and mailing the Joint Proxy Statement (including SEC filing fees) and (ii) the
HSR filing.
 
EMPLOYEE BENEFITS MATTERS
 
    Pursuant to the Merger Agreement, with respect to each CTS "employee benefit
plan," as defined in Section 3(3) of the Employee Retirement Income Security Act
of 1974, as amended ("ERISA"), including plans or policies providing severance
benefits and vacation entitlement ("CTS Plans"), if the Effective Time occurs,
service with the Company will be treated as service with CTS purposes of
determining eligibility to participate, vesting and entitlement to benefits
(other than the accrual of benefits under any defined benefit pension plan)
unless, and to the extent that, the recognition of such service would result in
a duplication of benefits. Such service also will apply for purposes of
satisfying any waiting periods, evidence of insurability requirements or the
application of any preexisting condition limitations under any CTS Plan.
Employees of the Company will be given credit under any CTS Plan in which they
are eligible to participate for amounts paid under a corresponding Company
benefit plan during the same period for
 
                                       31
<PAGE>
purposes of applying deductibles, copayments and out-of-pocket maximums as
though such amounts had been paid in accordance with the terms and conditions of
the CTS Plans.
 
    Following the Effective Time, CTS will cause the Surviving Corporation to
honor in accordance with their terms all employment, severance and other
compensation agreements and arrangements of the Company, including but not
limited to severance benefit plans, the existence or terms of which do not
involve any material breach of any representation, warranty or covenant of the
Company under the Merger Agreement.
 
    For a description of certain employment agreements and other employee
benefits matters relating to the Merger, see "Special Considerations Relating to
the Combination--Interest of Certain Persons in the Offer and the Merger."
 
INDEMNIFICATION; DIRECTORS' AND OFFICERS' INSURANCE
 
    The Merger Agreement provides that all rights to indemnification and
exculpation from liabilities for acts or omissions occurring at or prior to the
Effective Time existing in favor of the current or former directors or officers
of the Company or its subsidiaries as provided in their respective certificates
of incorporation or by-laws (or comparable organizational documents) will be
assumed by CTS and CTS will be directly responsible for such indemnification,
without further action, as of the Effective Time and will continue in full force
and effect in accordance with their respective terms. In addition, from and
after the Effective Time, directors and officers of the Company who become or
remain directors or officers of CTS or Purchaser will be entitled to the same
indemnity rights and protections (including those provided by directors' and
officers' liability insurance) as are afforded to other directors and officers
of CTS.
 
    For a period of six years after the Effective Time, CTS will, and will cause
the Surviving Corporation to, maintain policies of directors' and officers'
liability insurance equivalent in all material respects to those maintained by
or on behalf of the Company and its subsidiaries on the date of the Merger
Agreement (and having at least the same coverage and containing terms and
conditions which are no less advantageous to the persons currently covered by
such policies as insureds) with respect to matters existing or occurring at or
prior to the Effective Time; provided, however, that if the aggregate annual
premiums for such insurance at any time during such period exceed 200% of the
per annum rate of premium currently paid by the Company and its subsidiaries for
such insurance on the date of the Merger Agreement, then CTS will cause the
Surviving Corporation to, and the Surviving Corporation will, provide the
maximum coverage that shall then be available at an annual premium equal to 200%
of such rate.
 
CONDITIONS TO THE CONSUMMATION OF THE MERGER
 
    Each party's obligation to effect the Merger is subject to the satisfaction
or waiver on or prior to the closing date of the Merger (the "Closing Date") of
various conditions which include, in addition to other customary closing
conditions, the following:
 
        (i) the Shareholders shall have approved the Merger Agreement and the
    Merger and the CTS Shareholders shall have approved the issuance of CTS
    Shares in connection with the Merger and adopted the CTS Charter Amendments;
 
        (ii) no judgment, order, decree, statute, law, ordinance, rule,
    regulation, temporary restraining order, injunction or other order enacted,
    entered, promulgated, enforced or issued by any court or other governmental
    entity or other legal restraint or prohibition preventing the consummation
    of the Merger shall be in effect (each, a "Restraint"); and
 
       (iii) the Joint Proxy Statement/Prospectus shall have become effective
    and shall not be the subject of any stop order or proceedings seeking a stop
    order.
 
                                       32
<PAGE>
    CTS' obligation to effect the Merger is also subject to the satisfaction or
waiver on or prior to the Closing Date of the following conditions:
 
        (i) the Company shall have performed in all material respects all
    obligations to be performed by it on or before the earlier of (i) such time
    as CTS controls the Company Board pursuant to the Merger Agreement and (ii)
    the Closing Date; and
 
        (ii) Purchaser shall have accepted for payment and paid for Shares
    pursuant to the Offer; provided, however, that CTS may not invoke this
    condition if Purchaser fails to purchase Shares in violation of the terms of
    the Merger Agreement.
 
    The Company's obligation to effect the Merger is also subject to the
satisfaction or waiver on or prior to the Closing Date of the following
conditions:
 
        (i) Purchaser and CTS having performed in all material respects all
    obligations to be performed by them, and
 
        (ii) Purchaser having accepted for payment and paid for at least 25% of
    the Shares pursuant to the Offer.
 
    If (i) the Minimum Share Condition is not satisfied on the Expiration Date
and (ii) the average closing price of CTS Shares for the ten trading days prior
to the Expiration Date multiplied by the Exchange Ratio is at least $55.00, CTS
and Purchaser may elect, by written notice from CTS to the Company not later
than the first business day after the Expiration Date, to proceed with the
Merger, in which case the Company, CTS and Purchaser will be obligated to effect
the Merger subject to all of the conditions specified in the preceding
paragraphs except for the conditions with respect to purchase of Shares in the
Offer. If CTS and Purchaser elect to proceed with the Merger in these
circumstances, the parties obligations to effect the Merger will be subject to
the additional condition that either Jones Day or Skadden Arps deliver an
opinion, dated as of the Closing Date, to the same effect as the opinion to be
delivered in satisfaction of the Tax Opinion Condition. See "The Offer --
Conditions of the Offer."
 
TERMINATION
 
    The Merger Agreement may be terminated at any time prior to the Effective
Time, whether before or after approval by the Shareholders and the CTS
Shareholders:
 
        (i) by mutual written consent of CTS and the Company (including without
    limitation in connection with the entry into any other agreement between the
    Company and CTS);
 
        (ii) by CTS, if the Offer shall have expired or been withdrawn or
    terminated in accordance with the terms thereof without any Shares being
    purchased by CTS thereunder by reason of the failure of any condition set
    forth in the section entitled "The Offer -- Conditions of the Offer";
 
       (iii) by either CTS or the Company: (a) if the Merger has not been
    consummated by September 30, 1997; provided, however, that the right to
    terminate the Merger Agreement pursuant to this clause will not be available
    to any party whose failure to perform any of its obligations under the
    Merger Agreement results in the failure of the Merger to be consummated by
    such time, (b) if the Company Shareholder Approval shall not have been
    obtained, (c) if the CTS Shareholder Approval shall not have been obtained,
    or (d) if any governmental entity shall have issued a Restraint or taken any
    other action permanently enjoining, restraining or otherwise prohibiting the
    consummation of the Offer, the Merger or any of the other transactions
    contemplated by the Merger Agreement and such Restraint or other action
    shall have become final and nonappealable;
 
        (iv) by CTS, if the Company Board or any committee thereof shall have
    (a) withdrawn or modified in a manner adverse to CTS its approval or
    recommendation of the Offer, the Merger or the Merger Agreement or failed to
    reconfirm its approval or recommendation within five business days
 
                                       33
<PAGE>
    after a written request to do so, (b) approved or recommended, or proposed
    publicly to approve or recommend, any Takeover Proposal with respect to the
    Company, (c) caused the Company to enter into an Acquisition Agreement, or
    (d) resolved to take any of the foregoing actions;
 
        (v) by CTS, upon exercise of its Fiduciary Out at any time prior to the
    Offer Completion Date;
 
        (vi) by the Company, if the CTS Board or any committee thereof shall
    have (A) withdrawn or modified in a manner adverse to the Company its
    approval or recommendation of the Offer, the Merger or the Merger Agreement
    or failed to reconfirm its approval or recommendation within five business
    days after a written request to do so, (B) approved or recommended, or
    proposed publicly to approve or recommend, any Takeover Proposal with
    respect to CTS, (C) caused CTS to enter into a Acquisition Agreement, or (D)
    resolved to take any of the foregoing actions;
 
       (vii) by the Company at or prior to the Offer Completion Date, if CTS or
    Purchaser shall have breached or failed to perform in any material respect
    any of its representations, warranties or covenants required to be performed
    by them under the Merger Agreement at or prior to the Offer Completion Date,
    which breach or failure to perform cannot be or has not been cured within 30
    days after the giving of written notice to CTS and Purchaser of such breach
    (provided that the Company is not then in material breach of any
    representation, warranty, covenant or other agreement contained in the
    Merger Agreement that cannot or has not been cured within 30 days after
    giving notice to the Company of such breach); and
 
      (viii) by the Company, upon exercise of its Fiduciary Out at any time
    prior to the Offer Completion Date.
 
AMENDMENTS TO CTS CHARTER AND BYLAWS
 
    In connection with the Merger, effective as of the Effective Time, CTS'
Articles of Incorporation will be amended (the "CTS Charter Amendments"), among
other things, to (i) increase the authorized capital of CTS from 8,000,000
shares of Common Stock to 75,000,000 shares of Common Stock and 25,000,000
shares of Preferred Stock (the terms of which will be fixed by the CTS Board),
(ii) increase the maximum and minimum size of the CTS Board to 15 and three,
respectively, with the exact size to be determined by the CTS Board, and (iii)
expand the required indemnification to the extent allowable by law and to
provide procedures for the resolution of disputes over compliance with the
applicable standard of care. The CTS Charter Amendments will require the
affirmative vote of a majority of the CTS Shares outstanding, but will not
become effective unless the issuance of CTS Shares in the Merger is also
approved by CTS Shareholders.
 
    Also, effective as of the Effective Time and subject to the occurrence
thereof, CTS' Bylaws will be amended to, among other things, provide that a
majority of the CTS Board (rather than two-thirds) may amend or take
substantially all other actions under CTS' Bylaws.
 
DISSENTER'S RIGHTS
 
    Under the NYBCL, Shareholders are not entitled to dissenter's rights by
reason of the Offer. However, if the Merger is consummated, Shareholders will be
entitled to appraisal rights under the NYBCL. Shareholders who follow the
procedures in Section 623 of the NYBCL will be entitled to have their Shares
appraised by a New York court and to receive payment of the "fair value" of such
Shares as determined by such court. The procedures therefor will be described in
full in the Joint Proxy Statement/ Prospectus.
 
                                       34
<PAGE>
                   CERTAIN INFORMATION CONCERNING THE COMPANY
 
GENERAL
 
    The Company is a New York corporation whose principal executive offices are
located at 475 Steamboat Road, Greenwich, Connecticut 06830-7197. The Company is
a diversified manufacturer of commercial and industrial products founded in
1924. The Company's eight plants are located in California, Connecticut, Ohio
and Pennsylvania. Its six separate business units manufacture electronic
components, mobile vans and transportable shelters for specialized electronic
and medical diagnostic equipment, portable electric housewares and commercial
appliances, air distribution equipment, specialized air-conditioning equipment
and generator sets.
 
SELECTED FINANCIAL INFORMATION
 
    Set forth below is a summary of certain consolidated financial information
with respect to the Company and its subsidiaries for its quarter ended March 31,
1997 and its fiscal years ended December 31, 1996, 1995 and 1994, excerpted from
financial statements presented in the Company's Quarterly Report on Form 10-Q
for the first quarter of 1997 (the "Company 10-Q"), the Company's Annual Report
on Form 10-K for the year ended December 31, 1996 (the "Company 10-K") and other
documents filed by the Company with the Commission. More comprehensive financial
information is included in such reports (including management's discussion and
analysis of results of operations and financial position) and other documents
filed by the Company with the Commission, and the financial information summary
set forth below is qualified in its entirety by reference to such reports and
other documents, and all the financial information and related notes contained
therein. The Company 10-Q, the Company 10-K and such other documents may be
examined and copies may be obtained from the offices of the Commission or the
NYSE in the manner set forth below.
 
                                       35
<PAGE>
                        DYNAMICS CORPORATION OF AMERICA
                  SELECTED CONSOLIDATED FINANCIAL INFORMATION
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
 
<TABLE>
<CAPTION>
                                                          THREE MONTHS ENDED          YEAR ENDED DECEMBER 31,
                                                       ------------------------  ----------------------------------
<S>                                                    <C>          <C>          <C>         <C>         <C>
                                                        MARCH 31,    MARCH 31,
                                                          1997         1996         1996        1995        1994
                                                       -----------  -----------  ----------  ----------  ----------
INCOME STATEMENT INFORMATION:
Net Sales............................................   $  30,402    $  27,864   $  129,206  $  114,164  $  107,700
Income (loss) from continuing operations before
  equity investment in CTS...........................       1,171         (834)          76       1,364       5,106
Income from equity investment in CTS.................       2,637        4,060       10,280       4,411       3,618
Income from continuing operations....................       3,808        3,226       10,356       5,775       8,724
 
PER SHARE INFORMATION:
Income from continuing operations....................        1.00          .84         2.71        1.50        2.25
Reclassification of provision for Fermont
  disposition........................................          --          .07          .07         .25          --
Net income...........................................        1.00          .91         2.78        1.75        2.25
Dividends per common share...........................         .10          .10          .20         .20         .20
</TABLE>
 
<TABLE>
<CAPTION>
                                                                                   AT DECEMBER 31,
                                                     AT MARCH 31,               ----------------------
                                                         1997                      1996        1995
                                                     ------------               ----------  ----------
<S>                                                  <C>           <C>          <C>         <C>         <C>
BALANCE SHEET INFORMATION:
Total Current Assets...............................   $   53,386                $   49,350  $   50,793
Equity Investment in CTS...........................       86,478                    84,046      77,180
Total Assets.......................................      148,226                   140,736     134,301
Total Liabilities..................................       29,858                    25,698      28,827
Total Shareholders' Equity.........................      118,368                   115,038     105,474
</TABLE>
 
    The Company is subject to the information and reporting requirements of the
Exchange Act and is required to file reports and other information with the
Commission relating to its business, financial condition and other matters.
Information, as of particular dates, concerning the Company's directors and
officers, their remuneration, stock options granted to them, the principal
holders of the Company's securities, any material interests of such persons in
transactions with the Company and other matters is required to be disclosed in
proxy statements distributed to the Shareholders and filed with the Commission.
These reports, proxy statements and other information should be available for
inspection at the public reference facilities of the Commission located in
Judiciary Plaza, 450 Fifth Street, N.W., Washington, D.C. 20549, and also should
be available for inspection and copying at prescribed rates at the following
regional offices of the Commission: Seven World Trade Center, New York, New York
10048; and 500 West Madison Street, Suite 1400, Chicago, Illinois 60661. Copies
of this material may also be obtained by mail, upon payment of the Commission's
customary fees, from the Commission's principal office at 450 Fifth Street,
N.W., Washington, D.C. 20549. The Commission also maintains an Internet web site
at http:// www.sec.gov that contains reports, proxy statements and other
information. The Shares are listed on the NYSE, and reports, proxy statements
and other information concerning the Company should also be available for
inspection at the offices of the NYSE, 20 Broad Street, New York, New York
10005.
 
CERTAIN PROJECTIONS
 
    In the course of discussions giving rise to the Merger Agreement (see
"Background of the Combination"), representatives of the Company furnished
representatives of CTS certain business and financial
 
                                       36
<PAGE>
information that was not publicly available, including certain financial
projections for 1997 and 1998 (the "Company Projections"). The Company
Projections included certain projections for the years 1997 and 1998 prepared
solely for the Company's internal purposes. None of such projected financial
information provided by the Company to CTS was prepared for publication or with
a view to complying with the published guidelines of the Commission regarding
projections or with the AICPA Guide for Prospective Financial Statements, and
such information is being included in the Offer To Purchase solely because it
was furnished to CTS in connection with the discussions giving rise to the
Merger Agreement. The independent accountants of the Company, Ernst & Young LLP
have neither examined nor compiled the prospective financial information set
forth below and, accordingly, do not express an opinion or any other form of
assurance with respect thereto. The reports of Ernst & Young LLP incorporated by
reference in this Offer To Purchase relate to the historical financial
information of the Company and, do not extend to the prospective financial
information and should not be read to do so.
 
    THE PROJECTED FINANCIAL INFORMATION SET FORTH BELOW NECESSARILY REFLECTS
NUMEROUS ASSUMPTIONS WITH RESPECT TO GENERAL BUSINESS AND ECONOMIC CONDITIONS
AND OTHER MATTERS, MANY OF WHICH ARE INHERENTLY UNCERTAIN OR BEYOND THE
COMPANY'S OR CTS' CONTROL, AND DOES NOT TAKE INTO ACCOUNT ANY CHANGES IN THE
COMPANY'S OPERATIONS OR CAPITAL STRUCTURE WHICH MAY RESULT FROM THE OFFER AND
THE MERGER. SEE "SPECIAL CONSIDERATIONS RELATING TO THE COMBINATION -- PLANS FOR
THE COMPANY AND CTS." IT IS NOT POSSIBLE TO PREDICT WHETHER THE ASSUMPTIONS MADE
IN PREPARING THE PROJECTED FINANCIAL INFORMATION WILL BE VALID AND ACTUAL
RESULTS MAY PROVE TO BE MATERIALLY HIGHER OR LOWER THAN THOSE CONTAINED IN THE
PROJECTIONS. NO SPECIFIC ASSUMPTIONS RELATING TO SUCH PROJECTIONS WERE FURNISHED
BY THE COMPANY OR CTS, ALTHOUGH CERTAIN INFORMATION PERTINENT TO THE COMPANY
PROJECTIONS WAS FURNISHED BY THE COMPANY OR CTS. THE INCLUSION OF THIS
INFORMATION SHOULD NOT BE REGARDED AS AN INDICATION THAT THE COMPANY, CTS OR
ANYONE ELSE WHO RECEIVED THIS INFORMATION CONSIDERED IT A RELIABLE PREDICTOR OF
FUTURE EVENTS, AND THIS INFORMATION SHOULD NOT BE RELIED ON AS SUCH. NONE OF
CTS, PURCHASER, THE COMPANY OR ANY OF THEIR RESPECTIVE REPRESENTATIVES ASSUMES
ANY RESPONSIBILITY FOR THE VALIDITY, REASONABLENESS, ACCURACY OR COMPLETENESS OF
THE PROJECTED FINANCIAL INFORMATION, AND THE COMPANY HAS MADE NO REPRESENTATION
TO CTS REGARDING SUCH INFORMATION.
 
<TABLE>
<CAPTION>
                                                                                         1997       1998
                                                                                       ---------  ---------
<S>                                                                                    <C>        <C>
                                                                                           (AMOUNTS IN
                                                                                            MILLIONS)
Net Sales............................................................................  $   148.6  $   170.9
Cost of goods sold...................................................................      115.4      132.7
Earnings before interest and taxes, before equity earnings from CTS..................        6.0        6.9
Net earnings, before equity earnings from CTS........................................  $     4.3  $     5.0
</TABLE>
 
THE RIGHTS
 
    The Company Rights Agreement is described in the Company's Form 8-A, dated
January 30, 1986 (the "Company 8-A"), the Company 8-K, dated as of December 27,
1995, the Company 8-K, dated May 9, 1997, and the Company 8-K, dated May 12,
1997 filed with the Commission, each of which is incorporated herein by this
reference. The Rights will be represented by the Share Certificates and will not
be exercisable, or transferable apart from the Shares, until (i) 10 days after
the public announcement that a person or group of affiliated or associated
persons has acquired, or obtained the right to acquire, the beneficial ownership
of 20 percent or more of the Shares in a transaction not approved by the Board
prior to such transaction (an "Acquiring Person"), or (ii) such date as the
Company Board shall determine following the first public announcement of the
commencement of, or the intent of any individual, firm, corporation or other
entity (other than the Company) to commence, a tender or exchange offer for 25%
or more of the outstanding Shares. As soon as practicable after such date (the
"Distribution Date"), separate certificates evidencing the Rights will be mailed
to holders of record of Shares as of the close of business on the Distribution
Date and such separate certificates alone will evidence the Rights. For a
description of the amendments to the Company Rights Agreement effected in
connection with the Merger, see "Introduction."
 
                                       37
<PAGE>
    Shareholders are required to tender one associated Right for each Share
tendered in order to effect a valid tender of such Share. If the Distribution
Date (as defined) does not occur prior to the Expiration Date, a tender of
Shares will automatically constitute a tender of the associated Rights. See "The
Offer -- Procedures for Tendering Shares."
 
CERTAIN PROVISIONS OF THE COMPANY'S CERTIFICATE OF INCORPORATION
 
    Article XV of the Company's Certificate of Incorporation provides, among
other things, that the affirmative vote of not less than 80% of the outstanding
stock of the Company entitled to vote thereon (the "80% Vote") is required to
approve any of the following transactions with an individual, corporation or
other entity (collectively, a "Combination Partner") who is a beneficial owner
(as such term is defined in the Company Certificate of Incorporation) of 5% or
more of the outstanding capital stock of the Company entitled to vote in the
election of directors: (i) any agreement for merger or consolidation of the
Company or any subsidiary with or into a Combination Partner, or the merger of
any other Combination Partner into the Company or any subsidiary, (ii) any sale,
lease, exchange, mortgage or pledge to any other Combination Partner of all or
substantially all of the property and assets of the Company or any subsidiary,
or any part of such assets having a fair market value greater than 50% of the
fair market value of the total assets of the Company or such subsidiary, or
(iii) the issuance or transfer by the Company or any subsidiary of any voting
securities of the Company or any subsidiary having a fair market value of more
than $1,000,000 in exchange or payment for the securities or property and assets
(including cash) of any Combination Partner. Notwithstanding the preceding
sentence, the 80% Vote is not required if the Company owns a majority of the
Combination Partner's voting stock or if the Company Board approves the
transaction before such Combination Partner becomes a 5% or more beneficial
owner of such capital stock. At the time that the Company Board approved the
Merger Agreement, Purchaser or CTS did not own 5% of the Shares. Therefore, the
80% Vote is inapplicable to the Merger Agreement or the Merger, and the
affirmative vote of the holders of two-thirds of the Shares is the only vote
required to approve the Merger Agreement and the Merger.
 
                CERTAIN INFORMATION CONCERNING PURCHASER AND CTS
 
PURCHASER
 
    Purchaser is a New York corporation which was recently organized in
connection with the Offer. The principal offices of Purchaser are located at 905
West Boulevard North, Elkhart, Indiana 46514. Purchaser is a newly formed wholly
owned subsidiary of CTS. Until immediately prior to the time that Purchaser will
purchase Shares pursuant to the Offer, it is not expected that Purchaser will
have any significant assets or liabilities or engage in activities other than
those activities incident to the Offer and the Merger and the other transactions
contemplated by the Merger Agreement.
 
CTS
 
    CTS is an Indiana corporation with its principal executive offices located
at 905 West Boulevard North, Elkhart, Indiana 46514. CTS designs, manufactures
and sells a broad line of electronic components principally serving original
equipment manufacturers in the automotive, computer, communications, instrument
and controls, defense and aerospace industries. CTS products are engineered and
manufactured at 16 facilities worldwide and include automotive control devices,
interconnect products, frequency control devices, resistor networks and hybrid
microcircuits.
 
    The name, citizenship, business address, principal occupation or employment
and five-year employment history for each of the directors and executive
officers of CTS and Purchaser are set forth in Schedule I hereto. Except as
disclosed in this Offer To Purchase (including Schedule I hereto), neither CTS
nor Purchaser, nor, to the knowledge of CTS or Purchaser, any of the persons
listed in Schedule I hereto, any associate or subsidiary of such persons or any
of the respective directors, executive officers or subsidiaries of the foregoing
(i) beneficially owns any equity security of the Company, (ii) has effected any
transaction in any equity security of the Company during the past 60 days, (iii)
has any contract,
 
                                       38
<PAGE>
arrangement, understanding or relationship with any other person with respect to
any securities of the Company, including, without limitation, any contract,
arrangement, understanding or relationship concerning the transfer or the voting
of any securities of the Company, joint ventures, loan or option arrangements,
puts or calls, guaranties of loans, guaranties against loss or the giving or
withholding of proxies, or (iv) except as set forth in this Offer To Purchase,
has had any transactions with the Company, or any of its executive officers,
directors or affiliates that would require reporting under the rules of the
Commission. Except as set forth in this Offer To Purchase (see "Background of
the Combination"), there have been no contacts, negotiations or transactions
between CTS or Purchaser, or their respective subsidiaries, or, to the knowledge
of CTS or Purchaser, any of the persons listed in Schedule I hereto, on the one
hand, and the Company or its executive officers, directors or affiliates, on the
other hand, concerning a merger, consolidation or acquisition, tender offer or
other acquisition of securities, election of directors, or a sale or other
transfer of a material amount of assets.
 
SELECTED FINANCIAL INFORMATION
 
    Set forth below is a summary of certain consolidated financial information
with respect to CTS and its subsidiaries for the quarter ended March 30, 1997
and for its fiscal years ended December 31, 1996, 1995 and 1994, excerpted from
financial statements presented in CTS' Quarterly Report on Form 10-Q for the
quarter ended March 30, 1997 (the "CTS 10-Q"), CTS' Annual Report on Form 10-K
for the year ended December 31, 1996 (the "CTS 10-K") and other documents filed
by CTS with the Commission. More comprehensive financial information is included
in such reports (including management's discussion and analysis of results of
operations and financial position) and other documents filed by CTS with the
Commission, and the financial information summary set forth below is qualified
in its entirety by reference to such reports and other documents, and all the
financial information and related notes contained therein. The CTS 10-Q, the CTS
10-K and such other documents may be examined and copies may be obtained from
the offices of the Commission or the NYSE in the manner set forth below.
 
                                CTS CORPORATION
 
                  SELECTED CONSOLIDATED FINANCIAL INFORMATION
 
                    (in thousands, except per share amounts)
 
<TABLE>
<CAPTION>
                                                          THREE MONTHS ENDED          YEAR ENDED DECEMBER 31,
                                                       ------------------------  ----------------------------------
<S>                                                    <C>          <C>          <C>         <C>         <C>
                                                        MARCH 30,    MARCH 31,
                                                          1997         1996         1996        1995        1994
                                                       -----------  -----------  ----------  ----------  ----------
INCOME STATEMENT INFORMATION:
Net sales............................................   $  91,269    $  80,186   $  321,297  $  300,157  $  268,707
Earnings before taxes................................      11,038        7,006       33,602      27,684      21,487
Net earnings.........................................       6,954        4,414       21,170      17,164      13,967
 
PER CTS SHARE INFORMATION:
Net earnings applicable to CTS Shares................   $    1.32    $    0.83   $     4.03  $     3.30  $     2.70
Dividends declared...................................         .18          .15          .69         .60         .45
</TABLE>
 
<TABLE>
<CAPTION>
                                                                                  AT DECEMBER 31,
                                                      AT MARCH 30,             ----------------------
                                                          1997                    1996        1995
                                                      ------------             ----------  ----------
<S>                                                   <C>           <C>        <C>         <C>         <C>
BALANCE SHEET INFORMATION:
Total current assets................................   $  150,619              $  138,201  $  126,113
Net property, plant and equipment...................       56,919                  56,103      50,696
Total assets........................................      263,982                 249,372     227,127
Total liabilities...................................       92,845                  83,140      80,874
Total shareholders' equity..........................      171,137                 166,232     146,253
</TABLE>
 
    CTS is subject to the information and reporting requirements of the Exchange
Act and is required to file reports and other information with the Commission
relating to its business, financial condition and
 
                                       39
<PAGE>
other matters. Information, as of particular dates, concerning CTS' directors
and officers, their remuneration, stock options granted to them, the principal
holders of CTS' securities, any material interests of such persons in
transactions with CTS and other matters is required to be disclosed in proxy
statements distributed to CTS Shareholders and filed with the Commission. These
reports, proxy statements and other information should be available for
inspection at the public reference facilities of the Commission located in
Judiciary Plaza, 450 Fifth Street, N.W., Washington, D.C. 20549, and also should
be available for inspection and copying at prescribed rates at the following
regional offices of the Commission: Seven World Trade Center, New York, New York
10048; and 500 West Madison Street, Suite 1400, Chicago, Illinois 60661. Copies
of this material may also be obtained by mail, upon payment of the Commission's
customary fees, from the Commission's principal office at 450 Fifth Street,
N.W., Washington, D.C. 20549. The Commission also maintains an Internet web site
at http://www.sec.gov that contains reports, proxy statements and other
information. The CTS Shares are listed on the NYSE, and reports, proxy
statements and other information concerning CTS should also be available for
inspection at the offices of the NYSE, 20 Broad Street, New York, New York
10005.
 
CERTAIN PROJECTIONS
 
    In the course of discussions giving rise to the Merger Agreement (see
"Background of the Combination"), representatives of CTS furnished
representatives of the Company certain business and financial information that
was not publicly available, including CTS' business plan (the "CTS Business
Plan"). CTS' Business Plan included certain projections for the years 1997
through 2000 prepared solely for CTS' internal purposes. None of such projected
financial information provided by CTS to the Company was prepared for
publication or with a view to complying with the published guidelines of the
Commission regarding projections or with the AICPA Guide for Prospective
Financial Statements, and such information is being included in this Offer To
Purchase solely because it was furnished to the Company in connection with the
discussions giving rise to the Merger Agreement. The independent accountants of
CTS, Price Waterhouse LLP, have neither examined nor compiled the prospective
financial information set forth below and, accordingly, do not express an
opinion or any other form of assurance with respect thereto. The reports of
Price Waterhouse LLP incorporated by reference in this Offer To Purchase relate
to the historical financial information of CTS and do not extend to the
prospective financial information and should not be read to do so.
 
    THE PROJECTED FINANCIAL INFORMATION SET FORTH BELOW NECESSARILY REFLECTS
NUMEROUS ASSUMPTIONS WITH RESPECT TO GENERAL BUSINESS AND ECONOMIC CONDITIONS
AND OTHER MATTERS, MANY OF WHICH ARE INHERENTLY UNCERTAIN OR BEYOND CTS'
CONTROL, AND DOES NOT TAKE INTO ACCOUNT ANY CHANGES IN THE CTS' OPERATIONS OR
CAPITAL STRUCTURE WHICH WILL RESULT FROM THE OFFER AND THE MERGER. SEE "SPECIAL
CONSIDERATIONS RELATING TO THE COMBINATION-- PLANS FOR THE COMPANY AND CTS" AND
"MISCELLANEOUS--SOURCE AND AMOUNT OF FUNDS." IT IS NOT POSSIBLE TO PREDICT
WHETHER THE ASSUMPTIONS MADE IN PREPARING THE PROJECTED FINANCIAL INFORMATION
WILL BE VALID AND ACTUAL RESULTS MAY PROVE TO BE MATERIALLY HIGHER OR LOWER THAN
THOSE CONTAINED IN THE PROJECTIONS. THE INCLUSION OF THIS INFORMATION SHOULD NOT
BE REGARDED AS AN INDICATION THAT THE COMPANY, CTS OR ANYONE ELSE WHO RECEIVED
THIS INFORMATION CONSIDERED IT A RELIABLE PREDICTOR OF FUTURE EVENTS, AND THIS
INFORMATION SHOULD NOT BE RELIED ON AS
 
                                       40
<PAGE>
SUCH. NEITHER CTS, PURCHASER, THE COMPANY NOR ANY OF THEIR RESPECTIVE
REPRESENTATIVES ASSUMES ANY RESPONSIBILITY FOR THE VALIDITY, REASONABLENESS,
ACCURACY OR COMPLETENESS OF THE PROJECTED FINANCIAL INFORMATION, AND CTS HAS
MADE NO REPRESENTATION TO THE COMPANY REGARDING SUCH INFORMATION.
<TABLE>
<CAPTION>
                                                                       ESTIMATES FOR THE YEAR ENDING DECEMBER 31,
                                                                       ------------------------------------------
<S>                                                                    <C>        <C>        <C>        <C>
                                                                         1997       1998       1999       2000
                                                                       ---------  ---------  ---------  ---------
 
<CAPTION>
                                                                                     (IN MILLIONS)
<S>                                                                    <C>        <C>        <C>        <C>
Net sales............................................................  $   351.2  $   402.0  $   452.1  $   527.4
Cost of goods sold...................................................      262.1      298.0      335.3      389.4
Earnings before interest and taxes...................................       37.7       52.9       62.5       80.5
Net earnings.........................................................  $    22.9  $    32.4  $    38.5  $    50.3
</TABLE>
 
    The principal assumptions underlying the foregoing projections are as
follows:
 
        (i) Sales are projected to increase at a compounded annual rate of
    approximately 15% over the period 1997 to 2000, based primarily on assumed
    increased sales of existing and new automotive, interconnect and
    microelectronic products.
 
        (ii) Gross margin percentage are assumed to improve in 1998 and remain
    constant through 1999 and 2000, as CTS implements continued cost control
    efficiency and productivity improvements. Sales per employee are assumed to
    grow from $91,000 in 1997 to $122,000 in 2000.
 
       (iii) Earnings before interest and taxes are assumed to grow from 11% in
    1997 to 15% in 2000, primarily based upon the sales increases and cost and
    expense controls. Operating expenses are assumed to be 15% of net sales in
    1997 and are assumed to fall to 11% in the year 2000.
 
        (iv) Interest expense is assumed to be essentially constant and to drop
    significantly in 2000, due to a balloon payment on a term loan due at the
    end of 1999.
 
        (v) The tax rate is assumed to be CTS' current effective rate of 37%.
 
    As indicated above, the foregoing projections were prepared for CTS'
internal purposes and do not reflect or give effect to the Offer or the Merger
and transactions related thereto (including the financing for the Offer) and,
accordingly, are not necessarily indicative of the results of operations of CTS
following the Offer or the Merger.
 
CERTAIN EMPLOYEE MATTERS
 
    Mr. Walker's salary under the CEO Employment Contract is $500,000 per year,
subject to review by the CTS Board for increases, but not decreases, each year.
During the term of the CEO Employment Contract, if Mr. Walker's employment is
terminated as a result of his death or disability, for good reason (as defined)
or by CTS without cause (as defined), Mr. Walker will receive severance benefits
equal to his base salary for the remainder of the term, plus an annual bonus for
each year remaining in the term equal to the largest cash and stock bonus that
he received during the five fiscal years preceding the date of termination. In
addition, if Mr. Walker's employment is terminated by Mr. Walker for good reason
or by CTS without cause, Mr. Walker may instead receive a lump sum equal to
3-1/3 times his base salary and the largest cash and stock bonus that he
received during the five fiscal years preceding the date of the employment
agreement. Any payments to Mr. Walker upon a change in control are increased to
compensate Mr. Walker for any excise tax payable by him pursuant to Section 280G
of the Code. The payments and benefits to Mr. Walker under his employment
agreement are reduced automatically by any corresponding payments or benefits
under his severance agreement (described below).
 
                                       41
<PAGE>
    CTS entered into severance agreements, dated April 11, 1997, with each of
its nine executive officers and seven other key employees of CTS. The agreements
have a rolling three-year term which is automatically extended each January 1
thereafter unless notice is given otherwise. The severance agreements become
operative only upon a change in control of CTS (as defined). Severance benefits
are provided if, upon a change in control, CTS terminates a covered executive's
employment without cause or the executive terminates his employment for good
reason (each as defined). Severance compensation under the agreements includes a
multiple (two or three, depending upon level of job responsibility) of base
salary, a multiple (two or three, depending upon level of job responsibility) of
the average annual incentive compensation awarded to the executive during the
three fiscal years preceding the fiscal year in which the change in control
occurred, the continued participation for a number of months following
termination in welfare benefits plans and other similar benefit programs, a lump
sum payment equal to the increase in actuarial value of the benefits under CTS'
qualified and supplemental retirement plans that the executive would have
received had he or she remained employed, outplacement services, and, in lieu of
perquisites provided immediately prior to the change in control, the payment of
the lesser of $50,000 or 10% of the total base salary and incentive
compensation. In addition, if any payments made to the executive are subject to
the excise tax under Section 280G of the Code, CTS will make an additional
payment in an amount to put the executive in the same after-tax position as if
no excise tax had been imposed; provided that if certain thresholds are not met,
payments will be reduced so that no excise tax applies.
 
                            PRO FORMA FINANCIAL DATA
 
    The following Unaudited Condensed Consolidated Pro Forma Statements of
Operations of CTS for the three months ended March 30, 1997 and the year ended
December 31, 1996 present unaudited pro forma operating results for CTS as if
the Combination, including the reacquisition of the Company-Owned CTS Shares
effected thereby, had occurred as of the beginning of each such period. The
following Unaudited Condensed Consolidated Pro Forma Balance Sheet of CTS
presents the unaudited pro forma financial condition of CTS as if the
Combination had occurred as of March 30, 1997.
 
    For purposes of the following pro forma financial data, the total purchase
price paid by CTS in the Combination is estimated to be total $220.0 million,
consisting of the sum of (i) $105.2 million in cash for the purchase of
1,915,500 Shares pursuant to the Offer, (ii) $106.1 million in CTS Shares
(valued for this purpose at $62.50, being the quotient of the $55.00 per Share
cash price in the Offer divided by the Exchange Ratio), and (iii) $8.7 million
of transaction costs. Such purchase price has been allocated in the following
pro forma financial data to the estimated fair value of the net tangible
operating assets and inventory of the Company ("Net Company Operating Assets")
and the Company-Owned CTS Shares as follows: (i) Net Company Operating Assets:
$33.9 million and (ii) Company-Owned CTS Shares: $186.1 million. (See Note (1)
below.)
 
    Following the Effective Time, CTS will be required to allocate finally the
purchase price to the fair value of the Company's assets and liabilities; such
allocation will vary from the allocations in the following pro forma financial
data based on various factors, including appraisals of the operating assets and
liabilities of the Company and the identification and valuation of intangible
assets (which CTS believes are not material in the following pro forma financial
data). In addition, following the Effective Time, CTS will finally determine the
purchase price for purposes of accounts for the Combination. The purchase price
as finally defined will vary from the amounts assumed in the following pro forma
financial data based on the actual transaction costs. In the event that the
actual value of the Company-Owned CTS Shares reacquired as a result of the
Merger, which will be determined primarily by reference to the post-Combination
value of the CTS Shares, is materially lower than the $80.80 per Company-Owned
CTS Share value assumed in the following pro forma financial data, CTS may be
required to charge the difference to net earnings currently to reflect the
amount of such difference, net of differences as required in the other
components of the purchase price allocation described above. CTS estimates that,
assuming no other change in such components, the amount of any such charge will
equal $2.3 million for each $1 of difference between the
 
                                       42
<PAGE>
$80.80 per Company-Owned CTS Share and the actual post-Combination value for CTS
Shares. Any such charge will, however, be a non-cash item which CTS does not
believe will have any material adverse effect on its prospective financial
position or results of operations.
 
    CTS has received a financing commitment for Credit Facilities providing for
up to $125 million of borrowings to fund the purchase of Shares pursuant to the
Offer and the payment of transaction costs and expenses, and for general
corporate purposes. While CTS expects annual after-tax cost savings of not less
than $2 million resulting from the Combination, such estimated savings have not
been reflected in the pro forma financial data because their realization is not
assured.
 
    The following pro forma financial data is presented for informational
purposes only and is not necessarily indicative of CTS' operating results or
financial position that would have occurred had the Combination and other
transactions described herein been consummated at the dates indicated, nor is it
necessarily indicative of the future operating results or financial position of
CTS following the Combination. The unaudited pro forma condensed consolidated
financial data should be read in conjunction with the consolidated financial
statements of each of CTS and the Company and the related notes thereto
contained in the CTS Form 10-K, the CTS 10-Q, the Company 10-K and the Company
10-Q, all of which are incorporated herein by reference.
 
                                       43
<PAGE>
                                CTS CORPORATION
 
            UNAUDITED CONDENSED CONSOLIDATED PRO FORMA BALANCE SHEET
 
                                 MARCH 30, 1997
 
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                                        PRO FORMA ADJUSTMENTS
                                                CTS                     ----------------------
                                            CORPORATION   THE COMPANY     DEBITS     CREDITS     PRO FORMA
                                            -----------  -------------  ----------  ----------  -----------
<S>                                         <C>          <C>            <C>         <C>         <C>
Assets
      Total Current Assets................   $ 150,619    $    53,386   $    2,000(1) $   25,000(1)  $ 181,005
Property, plant & equipment--net..........      56,919          6,126                               63,045
Goodwill..................................       3,861        --                                     3,861
Prepaid pension expense...................      51,826        --                                    51,826
Equity investment in CTS..................      --             86,478                   86,478(1)     --
Other assets..............................         757          2,236                                2,993
                                            -----------  -------------  ----------  ----------  -----------
      Total Assets........................   $ 263,982    $   148,226   $    2,000  $  111,478   $ 302,730
                                            -----------  -------------  ----------  ----------  -----------
                                            -----------  -------------  ----------  ----------  -----------
Liabilities and Shareholders' Equity
Current Liabilities
  Current maturities of long-term
    obligations...........................       2,416             49                                2,465
  Accounts payable........................      22,965          7,380                               30,345
  Accrued liabilities.....................      35,793         17,859                    8,727(1)     62,379
                                            -----------  -------------              ----------  -----------
      Total Current Liabilities...........      61,174         25,288       --           8,727      95,189
 
Long-term obligations.....................      11,210          2,862                   80,210(1)     94,282
Deferred income taxes.....................      16,146            394                               16,540
Other liabilities.........................       4,315          1,314                                5,629
                                            -----------  -------------  ----------  ----------  -----------
      Total Liabilities...................      92,845         29,858       --          88,937     211,640
 
Shareholders' Equity
  Common stock............................      33,401            382          382(1)    106,063(1)    139,464
  Additional paid-in capital..............      --             11,777       11,777(1)               --
  Retained earnings.......................     150,125        106,740      106,740(1)              150,125
  Other...................................         349           (531)                     531(1)        349
                                            -----------  -------------  ----------  ----------  -----------
                                               183,875        118,368      118,899     106,594     289,938
      Less cost of common stock held in
        treasury..........................      12,738        --           186,110(1)              198,848
                                                              --                                    --
                                            -----------  -------------  ----------  ----------  -----------
      Total shareholders' equity..........     171,137        118,368      305,009     106,594      91,090
                                            -----------  -------------  ----------  ----------  -----------
  Total Liabilities and Shareholders'
    Equity................................   $ 263,982    $   148,226   $  305,009  $  195,531   $ 302,730
                                            -----------  -------------  ----------  ----------  -----------
                                            -----------  -------------  ----------  ----------  -----------
</TABLE>
 
              See accompanying Notes to Pro Forma Financial Data.
 
                                       44
<PAGE>
                                CTS CORPORATION
 
       UNAUDITED CONDENSED CONSOLIDATED PRO FORMA STATEMENT OF OPERATIONS
 
                   FOR THE THREE MONTHS ENDED MARCH 30, 1997
 
                  (IN THOUSANDS, EXCEPT FOR PER SHARE AMOUNTS)
 
<TABLE>
<CAPTION>
                                                                              PRO FORMA ADJUSTMENTS
                                                                              ----------------------
<S>                                                 <C>        <C>            <C>        <C>          <C>
                                                       CTS      THE COMPANY    DEBITS      CREDITS     PRO FORMA
                                                    ---------  -------------  ---------  -----------  -----------
Net sales.........................................  $  91,269    $  30,402                             $ 121,671
Cost of goods sold................................     65,978       22,211                                88,189
Selling, general and administrative expenses......     11,824        5,948                                17,772
Research and development expenses.................      2,974          244                                 3,218
                                                    ---------  -------------  ---------       -----   -----------
    Operating Income..............................     10,493        1,999       --          --           12,492
Other income (expense)--net.......................        545         (140)       1,500(2)                (1,408)
                                                                                    313(3)
                                                    ---------  -------------  ---------       -----   -----------
    Earnings before income tax....................     11,038        1,859        1,813      --           11,084
Income taxes......................................      4,084          688                      725(4)      4,047
Income from equity investment in CTS (net of
  income tax charge)..............................     --            2,637        2,637(5)                --
                                                    ---------  -------------  ---------       -----   -----------
    Net Income....................................  $   6,954    $   3,808    $   4,450   $     725    $   7,037
                                                    ---------  -------------  ---------       -----   -----------
                                                    ---------  -------------  ---------       -----   -----------
    Net earnings per share........................  $    1.32    $    1.00                             $    1.51
                                                    ---------  -------------                          -----------
                                                    ---------  -------------                          -----------
    Average common and common equivalent shares
      outstanding (thousands).....................      5,267        3,820                                 4,661
                                                    ---------  -------------                          -----------
                                                    ---------  -------------                          -----------
    Net earnings per share assuming the Stock
      Split.......................................                                                     $    0.75
                                                                                                      -----------
                                                                                                      -----------
</TABLE>
 
              See accompanying Notes to Pro Forma Financial Data.
 
                                       45
<PAGE>
                                CTS CORPORATION
 
       UNAUDITED CONDENSED CONSOLIDATED PRO FORMA STATEMENT OF OPERATIONS
 
                      FOR THE YEAR ENDED DECEMBER 31, 1996
 
                  (IN THOUSANDS, EXCEPT FOR PER SHARE AMOUNTS)
 
<TABLE>
<CAPTION>
                                                                                    PRO FORMA
                                                                                   ADJUSTMENTS
                                                                               --------------------
<S>                                                 <C>         <C>            <C>        <C>        <C>
                                                       CTS       THE COMPANY    DEBITS     CREDITS    PRO FORMA
                                                    ----------  -------------  ---------  ---------  -----------
Net sales.........................................  $  321,297   $   129,206                          $ 450,503
Cost of goods sold................................     233,801       104,245                            338,046
Selling, general and administrative expenses......      43,333        23,294                             66,627
Research and development expenses.................      10,743         1,435                             12,178
                                                    ----------  -------------  ---------  ---------  -----------
    Operating Income..............................      33,420           232      --         --          33,652
Other income (expense)--net.......................         182           154       6,000(2)              (6,914)
                                                                                   1,250(3)
                                                    ----------  -------------  ---------  ---------  -----------
    Earnings before income tax....................      33,602           386       7,250     --          26,738
Income taxes......................................      12,432            59                  2,900(4)      9,591
Income from equity investment in CTS (net of
  income tax benefit).............................      --            10,280      10,280(5)              --
                                                    ----------  -------------  ---------  ---------  -----------
    Net Income....................................  $   21,170   $    10,607   $  17,530  $   2,900   $  17,147
                                                    ----------  -------------  ---------  ---------  -----------
                                                    ----------  -------------  ---------  ---------  -----------
    Net earnings per share........................  $     4.03   $      2.78                          $    3.68
                                                    ----------  -------------                        -----------
                                                    ----------  -------------                        -----------
    Average common and common equivalent shares
      outstanding (thousands).....................       5,259         3,820                              4,661
                                                    ----------  -------------                        -----------
                                                    ----------  -------------                        -----------
    Net earnings per share assuming the Stock
      Split.......................................                                                    $    1.84
                                                                                                     -----------
                                                                                                     -----------
</TABLE>
 
              See accompanying Notes to Pro Forma Financial Data.
 
                                       46
<PAGE>
                       NOTES TO PRO FORMA FINANCIAL DATA
 
                                 (IN THOUSANDS)
 
(1) Adjustments record the effects of the Combination and reacquisition of
    Company-Owned CTS Shares held by the Company and the elimination of the
    historical stockholders equity of the Company and its 44.1% equity
    investment in CTS.
 
<TABLE>
<S>        <C>                                                            <C>
  -        Acquisition cost of all the outstanding Shares at
           $55 per Share:
 
           Cash.........................................................  $  25,000
           Debt.........................................................     80,210
           CTS Shares issued (1,697,000 CTS Shares x $62.50                 106,063
           per CTS Share)...............................................  $
                                                                          ---------
                                                                          $ 211,273
                                                                          ---------
 
  -        Transaction costs............................................      8,727
                                                                          ---------
 
           Total pro forma purchase price...............................  $ 220,000
                                                                          ---------
                                                                          ---------
 
  -        Allocated to:
           Inventory....................................................  $   2,000
           Net Company Operating Assets.................................     31,890
           Company-Owned CTS Shares.....................................    186,110
                                                                          ---------
                                                                          $ 220,000
                                                                          ---------
                                                                          ---------
</TABLE>
 
(2) Adjustment records the additional interest expense associated with the
    $80,210 of borrowings assumed to be incurred in connection with the
    Combination at an assumed 7.5% effective annual interest rate.
 
(3) Adjustment records the assumed reduction in interest income earned (at a 5%
    per annum rate) on the $25,000 of CTS cash used to finance a portion of the
    purchase of Shares in the Offer.
 
(4) Adjustment records the tax effect of aggregating the asssumed rate of 40% to
    the adjustments described in Notes (2) and (3).
 
(5) Adjustment records the elimination of the Company's equity earnings from its
    44.1% CTS equity ownership.
 
                                       47
<PAGE>
                 CERTAIN LEGAL MATTERS AND REGULATORY APPROVALS
 
GENERAL
 
    Except as set forth below, based upon an examination of publicly available
filings made by the Company with the Commission and other publicly available
information concerning the Company and the representations and warranties of the
Company in the Merger Agreement, neither Purchaser nor CTS is aware of any
licenses or other regulatory permits that appear to be material to the business
of the Company and its subsidiaries, taken as a whole, that might be adversely
affected by Purchaser's acquisition of Shares (and the indirect acquisition of
the stock of the Company's subsidiaries) as contemplated herein, or of any
filings, approvals or other actions by or with any domestic (federal or state),
foreign or supranational governmental authority or administrative or regulatory
agency that would be required prior to the acquisition of Shares (or the
indirect acquisition of the stock of the Company's subsidiaries) by Purchaser
pursuant to the Offer as contemplated herein. Should any such approval or other
action be required, it is Purchaser's present intention to seek such approval or
action. However, Purchaser does not presently intend to delay the purchase of
Shares tendered pursuant to the Offer pending the receipt of any such approval
or the taking of any such action (subject to Purchaser's right to delay or
decline to purchase Shares if any of the conditions in "The Offer -- Conditions
of the Offer" shall have occurred). There can be no assurance that any such
approval or other action, if needed, would be obtained without substantial
conditions or that adverse consequences might not result to the business of the
Company, CTS or Purchaser or that certain parts of the businesses of the
Company, CTS or Purchaser might not have to be disposed of or held separate or
other substantial conditions complied with in order to obtain such approval or
other action or in the event that such approval was not obtained or such other
action was not taken, any of which could cause Purchaser to elect to terminate
the Offer without the purchase of the Shares thereunder. Purchaser's obligation
under the Offer to accept for payment and pay for Shares is subject to certain
conditions, including conditions relating to the legal matters discussed in this
Section. See "The Offer -- Conditions of the Offer."
 
NEW YORK BUSINESS COMBINATION STATUTE
 
    Section 912 of the NYBCL prohibits any person who is the "beneficial owner"
of 20% or more of the outstanding voting stock of a corporation and therefore is
an "interested shareholder" from engaging in certain business combinations
(including a merger) with such corporation for a period of five years following
the date on which such person first became an interested shareholder, unless the
transaction by which such person became an interested shareholder or the
business combination is approved by the board of directors of the corporation
prior to the date on which such person became an interested shareholder. The
Company has represented in the Merger Agreement that the Company Board has
approved the Merger Agreement and the consummation of the Merger and the other
transactions contemplated thereby and that such approval constitutes approval of
the Company Board of the Merger and the other transactions contemplated by the
Merger Agreement under Section 912 of the NYBCL and Article XV of the Company's
Certificate of Incorporation. See "Certain Information Concerning the Company --
Certain Provisions of the Company's Certificate of Incorporation."
 
    If an assertion is made that CTS or Purchaser has not complied with the
provisions of any state takeover statute, CTS and Purchaser reserve the right to
challenge the validity or applicability of any state law allegedly applicable to
the Merger and nothing in this Offer To Purchase nor any action taken in
connection herewith is intended as a waiver of that right.
 
ANTITRUST
 
    Under the HSR Act and the rules that have been promulgated thereunder,
certain acquisition transactions may not be consummated unless certain
information has been furnished to the Antitrust Division and the FTC and certain
waiting period requirements have been satisfied. The acquisition of
 
                                       48
<PAGE>
Shares pursuant to the Offer and the Merger is subject to such requirements. See
"The Offer -- Conditions of the Offer."
 
    CTS filed with the FTC and the Antitrust Division a Premerger Notification
and Report Form in connection with the purchase of Shares pursuant to the Offer
on Monday, May 12, 1997. Under the provisions of the HSR Act applicable to the
Offer, the purchase of Shares pursuant to the Offer may not be consummated until
the expiration of a 15-calendar day waiting period following the filing by CTS
and notification to the Company of such filing. Accordingly, it is expected that
the waiting period under the HSR Act applicable to the Offer will expire at
11:59 p.m., New York City time, on Tuesday, May 27, 1997, unless, prior to the
expiration or termination of the waiting period, the FTC or the Antitrust
Division extends the waiting period by requesting additional information or
documentary material from CTS. If either the FTC or the Antitrust Division were
to request additional information or documentary material from CTS, the waiting
period would expire at 11:59 p.m., New York City time, on the tenth calendar day
after the date of substantial compliance by CTS with such request. Thereafter,
the waiting period could be extended by court order or by consent of CTS.
 
    CTS and the Company will file with the FTC and the Antitrust Division a
Premerger Notification and Report Form in connection with the purchase of Shares
pursuant to the Merger on Friday, May 16, 1997. Under the provisions of the HSR
Act applicable to the Merger, the Merger may not be consummated until the
expiration of a 30-calendar day waiting period following the filing by CTS and
the Company. Accordingly, it is expected that the waiting period under the HSR
Act applicable to the Merger will expire at 11:59 p.m., New York City time, on
Sunday, June 15, 1997, unless, prior to the expiration or termination of the
waiting period, the FTC or the Antitrust Division extends the waiting period by
requesting additional information or documentary material from CTS or the
Company. If either the FTC or the Antitrust Division were to request additional
information or documentary material from CTS or the Company, the waiting period
would expire at 11:59 p.m., New York City time, on the twentieth calendar day
after the date of substantial compliance by CTS and the Company with such
request. Thereafter, the waiting period could be extended by court order or by
consent of CTS and the Company.
 
    The waiting period under the HSR Act may be terminated by the FTC and the
Antitrust Division prior to its expiration. If the acquisition of Shares is
delayed pursuant to a request by the FTC or the Antitrust Division for
additional information or documentary material pursuant to the HSR Act, the
Offer may be extended (subject to the terms of the Merger Agreement) and in any
event the purchase of and payment for Shares will be deferred until ten days
after the request is substantially complied with, unless the waiting period is
sooner terminated by the FTC and the Antitrust Division. See "The Offer -- Terms
of the Offer; Proration; Expiration Date." Only one extension of such waiting
period pursuant to a request for additional information is authorized by the HSR
Act and the rules promulgated thereunder, except by court order or by consent of
CTS. Any such extension of the waiting period will not give rise to any
withdrawal rights not otherwise provided for by applicable law. See "The Offer
- -- Withdrawal Rights." Although the Company is required to file certain
information and documentary material with the Antitrust Division and the FTC in
connection with the Offer, neither the Company's failure to make such filings
nor a request from the Antitrust Division or the FTC for additional information
or documentary material made to the Company will extend the waiting period.
 
    The FTC and the Antitrust Division frequently scrutinize the legality under
the antitrust laws of transactions such as the proposed acquisition of Shares by
Purchaser pursuant to the Offer. At any time before or after the purchase by
Purchaser of Shares pursuant to the Offer, either of the FTC or the Antitrust
Division could take such action under the antitrust laws as it deems necessary
or desirable in the public interest, including seeking to enjoin the purchase of
Shares, pursuant to the Offer or the consummation of the Merger or seeking the
divestiture of Shares purchased by Purchaser or the divestiture of substantial
assets of CTS, its subsidiaries or the Company. Private parties and state
attorneys general may also bring legal action under federal or state antitrust
laws under certain circumstances.
 
                                       49
<PAGE>
    Based upon an examination of publicly available information relating to the
businesses in which the Company is engaged, Purchaser believes that the
acquisition of Shares pursuant to the Offer and the Merger would not violate
antitrust laws. Purchaser believes that retention of all of the operations of
the Company and Purchaser should be permitted under the antitrust laws.
Nevertheless, there can be no assurance that a challenge to the Offer on
antitrust grounds will not be made, or, if such challenge is made, what the
result will be.
 
OTHER
 
    Purchaser is not aware of any jurisdiction where the making of the Offer is
prohibited by any administrative or judicial action pursuant to any valid state
statute. If Purchaser becomes aware of any valid state statute prohibiting the
making of the Offer or the acceptance of the Shares pursuant thereto, Purchaser
will make a good faith effort to comply with such state statute. If, after such
good faith effort, Purchaser cannot comply with any such state statute, the
Offer will not be made to (nor will tenders be accepted from or on behalf of)
the holders of Shares in such state. In any jurisdiction where the securities,
blue sky or other laws require the Offer to be made by a licensed broker or
dealer, the Offer will be deemed to be made on behalf of Purchaser by the Dealer
Manager or one or more registered brokers or dealers which are licensed under
the laws of such jurisdiction.
 
                                 MISCELLANEOUS
 
SOURCE AND AMOUNT OF FUNDS
 
    Purchaser estimates that the total amount of funds required to purchase
Shares pursuant to the Offer and to pay related costs and expenses will be
approximately $113.9 million.
 
    CTS has received a financing commitment for credit facilities (the "Credit
Facilities") of up to $125.0 million from NBD Bank, N.A., as agent bank and
arranger (the "Agent") for a group of lenders. The Credit Facilities will
consist of an unsecured six-year amortizing term loan of up to $50.0 million and
an unsecured six-year revolving credit facility of up to $75.0 million. The
availability of the Credit Facilities is subject to the following conditions:
(i) satisfaction of the conditions to the Offer; (ii) the Merger Agreement not
having been amended, waived or modified in any material respect without the
approval of the Agent (such approval not to be unreasonably withheld); (iii) the
absence of any material breach under the Merger Agreement; and (iv) certain
other conditions customary for credit facilities of this type. The Credit
Facilities will replace CTS' existing revolving credit facility from NBD Bank,
N.A. CTS expects that the Credit Facilities will provide sufficient availability
to finance the Offer and related costs and expenses and to provide for CTS' and
its subsidiaries' ongoing working capital needs.
 
    Pricing under the Credit Facilities will initially be set at LIBOR plus
0.50% per annum through March 31, 1998, with adjustments thereafter based on the
ratio of CTS' consolidated total indebtedness to consolidated EBITDA. A
commitment fee of 0.175% per annum will accrue on the undrawn portion of the
revolving credit facility. As of May 14, 1997, based on the prevailing
three-month LIBOR rate of 5.8%, the effective annual interest rate (including
assumed debt issuance costs) is estimated to be not more than 7.5%.
 
    The term loan will amortize on a quarterly basis in aggregate installments
of $0 in 1997, $3.0 million in 1998, $5.0 million in 1999, $10.0 million in
2000, $10.0 million in 2001, $10.0 million in 2002 and $12.0 million in 2003.
CTS will also be required to prepay the term loan with the net proceeds of asset
sales in excess of $10.0 million per annum, the net proceeds of certain debt
financings, 50% of the net proceeds of equity financings involving the sale of
CTS treasury stock in excess of $30.0 million and 50% of the net proceeds of all
other equity financings in excess of $5.0 million.
 
    The Credit Facilities will include certain representations and warranties
and covenants customary for facilities of this type, including: (i) financial
maintenance tests consisting of a fixed charge coverage ratio, a leverage ratio
and a minimum tangible net worth test; (ii) preservation of corporate existence,
compliance with laws, maintenance of properties and insurance and reporting
requirements; and (iii) limitations
 
                                       50
<PAGE>
(subject to certain baskets and exceptions) on indebtedness, liens, mergers and
acquisitions, sales of assets and other fundamental changes, investments,
guarantees, transactions with affiliates, leases, cash dividends and stock
repurchases and redemptions during the continuance of any default under the
Credit Facilities, and certain hedging obligations. The Credit Facilities will
also include customary events of default, including payment defaults, breaches
of representations and warranties, covenant defaults, cross defaults to other
indebtedness, bankruptcy events, defaults in satisfaction of money judgments,
certain events under the Employee Retirement Income Security Act of 1974, as
amended, and a change of control of CTS (defined as (i) any person together with
its affiliates becoming the beneficial owner of 40% or more of the combined
voting power of CTS' common stock or (ii) during any period of 12 months persons
constituting a majority of the CTS Board at the beginning of such period (and
persons whose election to the CTS Board was approved by such persons) ceasing to
constitute such a majority).
 
    Purchaser's obligation to purchase Shares tendered pursuant to the Offer is
not subject to financing. Following the Effective Time, CTS expects to consider
possible transactions that may alter its capital structure, including the
possible refinancing of a portion of the indebtedness under the Credit
Facilities and possible stock repurchases. There can, however, be no assurances
as to the nature, timing or terms of any such transaction.
 
FEES AND EXPENSES
 
    Purchaser has retained MacKenzie Partners, Inc. to act as the Information
Agent in connection with the Offer. The Information Agent may contact holders of
Shares by mail, telephone, facsimile, telegraph and personal interviews and may
request brokers, dealers and other nominee Shareholders to forward materials
relating to the Offer to beneficial owners of Shares. The Information Agent will
receive reasonable and customary compensation for its services, will be
reimbursed for certain reasonable out-of-pocket expenses and will be indemnified
against certain liabilities and expenses in connection therewith, including
certain liabilities under the federal securities laws.
 
    In addition, The First National Bank of Boston has been retained as the
Depositary. The Depositary has not been retained to make solicitations or
recommendations in its role as Depositary. The Depositary will receive
reasonable and customary compensation for its services, will be reimbursed for
certain reasonable out-of-pocket expenses and will be indemnified against
certain liabilities and expenses in connection therewith, including certain
liabilities under the federal securities laws.
 
    CTS has retained J.P. Morgan to act as its financial advisor and as the
Dealer Manager. Pursuant to a letter agreement dated April 9, 1997, CTS agreed
to pay J.P. Morgan for its services, including its services as Dealer Manager,
(i) $100,000 upon the execution of such letter agreement, (ii) $400,000 upon
delivery to CTS of a fairness opinion, and (iii) $400,000 upon the consummation
of the Merger (or, in certain circumstances, upon the Expiration Date) for its
services as financial advisor to CTS. CTS also agreed to reimburse J.P. Morgan
for all reasonable expenses, including the reasonable fees and disbursements of
legal counsel, and to indemnify J.P. Morgan against liabilities and expenses in
connection therewith, including liabilities under federal securities laws.
 
    Except as set forth above, Purchaser will not pay any fees or commissions to
any broker or dealer or any other person for soliciting tenders of Shares
pursuant to the Offer. Brokers, dealers, commercial banks and trust companies
will, upon request only, be reimbursed by Purchaser for customary mailing and
handling expenses incurred by them in forwarding material to their customers.
 
                                          CTS FIRST ACQUISITION CORP.
 
May 16, 1997
 
                                       51
<PAGE>
                                   SCHEDULE I
 
            INFORMATION CONCERNING DIRECTORS AND EXECUTIVE OFFICERS
                              OF CTS AND PURCHASER
 
    DIRECTORS AND EXECUTIVE OFFICERS OF CTS.  The following table sets forth the
name, age, business address, present principal occupation, and employment and
material occupations, positions, offices, or employments for the past five years
of certain directors, officers and employees of CTS. Unless otherwise indicated,
the principal business address of each director and executive officer is 905
West Boulevard North, Elkhart, Indiana 46514 and each occupation set forth
opposite an individual's name refers to employment with CTS. Each person listed
below is a citizen of the United States. Directors are identified with a single
asterisk.
 
<TABLE>
<CAPTION>
                                                       PRESENT PRINCIPAL OCCUPATION                SHARES
                                                        OR EMPLOYMENT AND FIVE-YEAR             BENEFICIALLY
NAME AND AGE                                                EMPLOYMENT HISTORY                      OWNED
- ---------------------------------------------  ---------------------------------------------  -----------------
 
<S>                                            <C>                                            <C>
Joseph P. Walker*............................  Chairman of the Board, President and Chief                 853(1)
Age: 58                                        Executive Officer and Chairman of the
                                               Executive Committee of CTS. During the past
                                               five years, Mr. Walker has served in his
                                               present capacities at CTS. Mr. Walker is a
                                               director of NBD Bank, N.A.
 
Gerald H. Frieling, Jr*......................  Vice Chairman of the Board of Tokheim                        0
Age: 66                                        Corporation (a manufacturer of petroleum
                                               dispensing equipment, systems and control
                                               devices); President of Frieling and
                                               Associates (a consulting firm); Chairman of
                                               the Audit Committee and Member of the
                                               Executive and Compensation Committees of CTS.
                                               During the past five years, Mr. Frieling
                                               served as Chairman of the Board and Chief
                                               Executive Officer of Tokheim Corporation, and
                                               in his present capacity at Frieling and
                                               Associates.
 
Andrew Lozyniak*.............................  Chairman of the Board and President of the             181,428(2)
Age: 65                                        Company; Chairman of the Compensation
                                               Committee and Member of the Executive and
                                               Audit Committees of CTS. During the past five
                                               years, Mr. Lozyniak has served in his present
                                               capacities at the Company, Mr. Lozyniak
                                               serves as a director of the Company and
                                               Physicians Health Services, Inc.
</TABLE>
 
                                       52
<PAGE>
<TABLE>
<CAPTION>
                                                       PRESENT PRINCIPAL OCCUPATION                SHARES
                                                        OR EMPLOYMENT AND FIVE-YEAR             BENEFICIALLY
NAME AND AGE                                                EMPLOYMENT HISTORY                      OWNED
- ---------------------------------------------  ---------------------------------------------  -----------------
Lawrence J. Ciancia*.........................  Vice President, Growth and Development, of                   0
Age: 54                                        Uponor U.S., Inc. (a supplier of PVC pipe
                                               products, specialty chemicals and PVC
                                               compounds); Member of the Audit and
                                               Compensation Committees of CTS. During the
                                               past five years, Mr. Ciancia has served as
                                               President, Chief Executive Officer and Chief
                                               Operating Officer of Uponor ETI Company,
                                               formerly Concorde Industries, Inc.
<S>                                            <C>                                            <C>
 
Patrick J. Dorme*............................  Vice President and Chief Financial Officer of           34,944(3)
Age: 61                                        the Company; Member of the Audit and
                                               Compensation Committees of CTS. During the
                                               past five years, Mr. Dorme has served in his
                                               present capacities at the Company. Mr. Dorme
                                               serves as a director of the Company.
 
Philip T. Christ.............................  Group Vice President of CTS. During the past                 0
Age: 66                                        five years, Mr. Christ has served in his
                                               present capacity at CTS.
 
Stanley J. Aris..............................  Vice President Finance and Chief Financial                   0
Age: 57                                        Officer of CTS. During the past five years,
                                               Mr. Aris has served in his present capacity
                                               at CTS and prior to that, as a business
                                               consultant.
 
Jeannine M. Davis............................  Vice President, General Counsel and Secretary                0
Age: 48                                        of CTS. During the past five years, Ms. Davis
                                               has served in her present capacity at CTS.
 
James L. Cummins.............................  Vice President Human Resources of CTS. During                0
Age: 42                                        the past five years, Mr. Cummins has served
                                               in his present capacity at CTS and prior to
                                               that, as Director, Human Resources, of CTS.
 
James N. Hufford.............................  Vice President Research, Development and                     0
Age: 57                                        Engineering of CTS. During the past five
                                               years, Mr. Hufford has served in his present
                                               capacity at CTS and prior to that, as
                                               Director of Corporate Research, Development
                                               and Engineering of CTS.
</TABLE>
 
                                       53
<PAGE>
<TABLE>
<CAPTION>
                                                       PRESENT PRINCIPAL OCCUPATION                SHARES
                                                        OR EMPLOYMENT AND FIVE-YEAR             BENEFICIALLY
NAME AND AGE                                                EMPLOYMENT HISTORY                      OWNED
- ---------------------------------------------  ---------------------------------------------  -----------------
Donald R. Schroeder..........................  Vice President Sales and Marketing of CTS.                   0
Age: 49                                        During the past five years, Mr. Schroeder has
                                               served in his present capacity at CTS and
                                               prior to that as Business Development Manager
                                               for the CTS Microelectronics business unit.
<S>                                            <C>                                            <C>
 
George T. Newhart............................  Corporate Controller of CTS. During the past                 0
Age: 54                                        five years, Mr. Newhart has served in his
                                               present capacity at CTS.
 
Gary N. Hoipkemier...........................  Treasurer of CTS. During the past five years,                0
Age: 42                                        Mr. Hoipkemier has served in his present
                                               capacity at CTS.
</TABLE>
 
- ------------------------
 
(1) Mrs. Walker owns these 853 shares. Mr. Walker disclaims beneficial ownership
    of such Shares.
 
(2) In addition, Mrs. Lozyniak owns 15,100 Shares. Mr. Lozyniak disclaims
    beneficial ownership of such Shares.
 
(3) In addition, Mrs. Dorme owns 18,000 Shares. Mr. Dorme disclaims beneficial
    ownership of such Shares.
 
    DIRECTORS AND EXECUTIVE OFFICERS OF PURCHASER.  The directors of Purchaser
are: Joseph P. Walker, Stanley J. Aris, Jeannine M. Davis, James L. Cummins and
Donald R. Schroeder. The executive officers of Purchaser are: Joseph P. Walker,
President; Jeannine M. Davis, Vice President and Secretary; and Stanley J. Aris,
Treasurer. Each of the directors or executive officers of Purchaser are officers
and/or directors of CTS. Information concerning the name, business address,
present principal occupation, and employment and material occupations,
positions, offices or employments for the past five years is found in the table
above. The principal address of Purchaser and the current business address of
each individual enumerated above is 905 West Boulevard North, Elkhart, Indiana
46514. Each such person is a citizen of the United States.
 
                                       54
<PAGE>
    Manually executed facsimile copies of the Letter of Transmittal, properly
completed and duly signed, will be accepted. The Letter of Transmittal,
certificates for the Shares and any other required documents should be sent by
each Shareholder or his broker, dealer, commercial bank, trust company or other
nominee to the Depositary at one of its addresses set forth below:
 
                        THE DEPOSITARY FOR THE OFFER IS:
 
                       THE FIRST NATIONAL BANK OF BOSTON
 
<TABLE>
<S>                            <C>                            <C>
          BY HAND:                 BY OVERNIGHT COURIER:                 BY MAIL:
   Securities Transfer and            Bank of Boston                  Bank of Boston
  Reporting Services, Inc.         Corporate Agency and            Corporate Agency and
     One Exchange Plaza               Reorganization                  Reorganization
   55 Broadway, 3rd Floor           Mail Stop 45-02-53              Mail Stop 45-02-53
  New York, New York 10006           150 Royall Street                P.O. Box 1889
                                Canton, Massachusetts 02021       Boston, Massachusetts
                                                                        02105-1889
 
                                BY FACSIMILE TRANSMISSION:
                                (for Eligible Institutions
                                           Only)
                                      (617) 575-2233
 
                                   CONFIRM FACSIMILE BY
                                        TELEPHONE:
                                      (617) 575-3120
</TABLE>
 
    Any questions or requests for assistance or additional copies of the Offer
To Purchase, the Letter of Transmittal and the Notice of Guaranteed Delivery may
be directed to the Information Agent or the Dealer Manager at their respective
telephone numbers and locations listed below. You may also contact your broker,
dealer, commercial bank or trust company or other nominee for assistance
concerning the Offer.
 
                    THE INFORMATION AGENT FOR THE OFFER IS:
 
                                     [LOGO]
 
                                156 Fifth Avenue
                            New York, New York 10010
                         (212) 929-5500 (call collect)
 
                                       or
 
                         Call Toll Free (800) 322-2885
                      THE DEALER MANAGER FOR THE OFFER IS:
                               J.P. MORGAN & CO.
                                 60 Wall Street
                                 Mail Stop 2860
                            New York, New York 10260
                         (212) 648-3251 (call collect)
                                       or
                         Call Toll Free (800) 600-3799

<PAGE>
                                                                Exhibit 99(a)(2)
 
                             LETTER OF TRANSMITTAL
                        TO TENDER SHARES OF COMMON STOCK
                                       OF
                        DYNAMICS CORPORATION OF AMERICA
                PURSUANT TO OFFER TO PURCHASE DATED MAY 16, 1997
                                       BY
                          CTS FIRST ACQUISITION CORP.,
                           A WHOLLY OWNED SUBSIDIARY
                                       OF
                                CTS CORPORATION
 THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00
 MIDNIGHT, NEW YORK CITY TIME, ON FRIDAY, JUNE 13, 1997, UNLESS THE OFFER IS
 EXTENDED.
 
                        THE DEPOSITARY FOR THE OFFER IS:
                       THE FIRST NATIONAL BANK OF BOSTON
 
<TABLE>
<S>                            <C>                            <C>
          BY HAND:                 BY OVERNIGHT COURIER:                 BY MAIL:
   Securities Transfer and            Bank of Boston                  Bank of Boston
  Reporting Services, Inc.         Corporate Agency and            Corporate Agency and
     One Exchange Plaza               Reorganization                  Reorganization
   55 Broadway, 3rd Floor           Mail Stop 45-02-53              Mail Stop 45-02-53
  New York, New York 10006           150 Royall Street                P.O. Box 1889
                                Canton, Massachusetts 02021       Boston, Massachusetts
                                                                        02015-1889
</TABLE>
 
                           BY FACSIMILE TRANSMISSION:
                        (for Eligible Institutions Only)
                                 (617) 573-2233
 
                 CONFIRM FACSIMILE BY TELEPHONE (CALL COLLECT)
                                 (617) 575-3120
 
    DELIVERY OF THIS LETTER OF TRANSMITTAL TO AN ADDRESS OTHER THAN AS SET FORTH
ABOVE OR TRANSMISSION OF INSTRUCTIONS VIA FACSIMILE TRANSMISSION OTHER THAN AS
SET FORTH ABOVE WILL NOT CONSTITUTE A VALID DELIVERY. YOU MUST SIGN THIS LETTER
OF TRANSMITTAL WHERE INDICATED BELOW AND COMPLETE THE SUBSTITUTE FORM W-9
PROVIDED BELOW.
 
    THE INSTRUCTIONS ACCOMPANYING THIS LETTER OF TRANSMITTAL SHOULD BE READ
CAREFULLY BEFORE THIS LETTER OF TRANSMITTAL IS COMPLETED.
 
    This Letter of Transmittal ("Letter of Transmittal") is to be completed by
shareholders of Dynamics Corporation of America ("Shareholders") either if
certificates ("Share Certificates") evidencing Shares (as defined below) and/or
certificates ("Rights Certificates") evidencing Rights (as defined below) are to
be forwarded herewith, or if delivery of Shares and/or Rights is to be made by
book-entry transfer to the Depositary's account at the Depository Trust Company
or The Philadelphia Depository Trust Company (each a "Book-Entry Transfer
Facility") pursuant to the book-entry transfer procedure described in "The
Offer--Procedures For Tendering Shares" of the Offer To Purchase (as defined
below). Delivery of documents to a Book-Entry Transfer Facility in accordance
with such Book-Entry Transfer Facility's procedures does not constitute delivery
to the Depositary.
 
    If the Rights separate from the Shares and are evidenced by Rights
Certificates (the "Rights Separation"), Shareholders will be required to tender
one Right for each Share tendered in order to effect a valid tender of Shares.
Unless the Rights Separation occurs, a tender of Shares will also constitute a
tender of the associated Rights.
<PAGE>
    / / CHECK HERE IF TENDERED SHARES AND/OR RIGHTS ARE BEING DELIVERED BY
        BOOK-ENTRY TRANSFER TO THE DEPOSITARY'S ACCOUNT AT ONE OF THE BOOK-ENTRY
        TRANSFER FACILITIES AND COMPLETE THE FOLLOWING:
 
        Name of Tendering Institution: _________________________________________
 
        CHECK BOX OF APPLICABLE BOOK-ENTRY TRANSFER FACILITY:
 
        / / The Depository Trust Company
 
        / / Philadelphia Depository Trust Company
 
        Account Number: ________________________________________________________
 
        Transaction Code Number: _______________________________________________
 
    Shareholders whose Share Certificates are not immediately available or who
cannot deliver either their Certificates for, or a Book-Entry Confirmation (as
defined in the Offer To Purchase) with respect to their Shares and all other
required documents to the Depositary prior to the Expiration Date (as defined in
the Offer To Purchase) may tender their Shares according to the guaranteed
delivery procedure set forth in the Offer To Purchase. See Instruction 2 hereof.
 
    / / CHECK HERE IF TENDERED SHARES AND/OR RIGHTS ARE BEING TENDERED PURSUANT
        TO A NOTICE OF GUARANTEED DELIVERY PREVIOUSLY SENT TO THE DEPOSITARY AND
        COMPLETE THE FOLLOWING:
 
        Name(s) of Registered Holder(s): _______________________________________
 
        Window Ticket Number (if any): _________________________________________
 
        Date of Execution of Notice of Guaranteed Delivery: ____________________
 
        Name of Institution which Guaranteed Delivery: _________________________
 
        IF DELIVERED BY BOOK-ENTRY TRANSFER, CHECK BOX OF BOOK-ENTRY TRANSFER
        FACILITY:
 
        / / The Depository Trust Company
 
        / / Philadelphia Depository Trust Company
 
        Account Number: ________________________________________________________
 
        Transaction Code Number: _______________________________________________
<PAGE>
 
<TABLE>
<S>                                              <C>              <C>             <C>
                              DESCRIPTION OF SHARES TENDERED
NAME(S) AND ADDRESS(ES) OF REGISTERED HOLDER(S)    SHARE CERTIFICATE(S) TENDERED (ATTACH
          (PLEASE FILL IN, IF BLANK)                   ADDITIONAL LIST IF NECESSARY)
                                                                   TOTAL NUMBER
                                                                        OF
                                                                      SHARES
                                                                   REPRESENTED    NUMBER OF
                                                   CERTIFICATE          BY         SHARES
                                                   NUMBER(S)*     CERTIFICATE(S)* TENDERED**
                                                 TOTAL SHARES:
</TABLE>
 
  *  Need not be completed by Shareholders tendering by book-entry transfer.
 
  ** Unless otherwise indicated, it will be assumed that all Shares being
     delivered to the Depositary are being tendered. See Instruction 4.
 
<TABLE>
<S>                                              <C>              <C>             <C>
                              DESCRIPTION OF RIGHTS TENDERED
NAME(S) AND ADDRESS(ES) OF REGISTERED HOLDER(S)       RIGHTS CERTIFICATE(S) TENDERED*
          (Please fill in, if blank)               (Attach additional list if necessary)
                                                                   TOTAL NUMBER
                                                                        OF
                                                                      RIGHTS
                                                                   REPRESENTED    NUMBER OF
                                                   CERTIFICATE          BY         RIGHTS
                                                   NUMBER(S)**    CERTIFICATE(S)** TENDERED***
                                                 TOTAL RIGHTS:
</TABLE>
 
  *    Need not be completed if the Rights Separation has not occurred.
 
  **   Need not be completed if tender of Rights is made by book-entry
       transfer.
 
  ***  Unless otherwise indicated, it will be assumed that all Rights being
       delivered to the Depositary are being tendered. See Instruction 4.
 
<TABLE>
<S>                                              <C>              <C>             <C>
     The names and addresses of the registered holders should be printed, if
 not already printed above, exactly as they appear on the certificates tendered
 hereby. The certificates and number of Shares and/or Rights that the
 undersigned wishes to tender should be indicated in the appropriate boxes.
 
   NOTE: SIGNATURES MUST BE PROVIDED BELOW. PLEASE READ THE INSTRUCTIONS SET
                 FORTH IN THIS LETTER OF TRANSMITTAL CAREFULLY.
 
</TABLE>
<PAGE>
 Ladies and Gentlemen:
 
     The undersigned hereby tenders to CTS First Acquisition Corp., a New York
 corporation ("Purchaser") and a wholly owned subsidiary of CTS Corporation, an
 Indiana corporation, the above described shares of common stock, par value
 $.10 per share (the "Shares") of Dynamics Corporation of America, a New York
 corporation (the "Company"), together with the associated purchase rights
 issued pursuant to the Company Rights Agreement (the "Rights") at a price of
 $55.00 (the "Offer Price") per Share (including associated Rights), net to the
 seller in cash, without interest thereon, upon the terms and subject to the
 conditions set forth in the Offer To Purchase, dated May 16, 1997 (the "Offer
 To Purchase"), and in the related Letter of Transmittal (which, as amended
 from time to time, together constitute the "Offer"). The Offer has been made
 pursuant to an Agreement and Plan of Merger, dated as of May 9, 1997, among
 the Company, the Purchaser and CTS (the "Merger Agreement"), according to
 which the Offer will be followed by a merger in which each outstanding Share
 (subject to certain exceptions) will be converted into the right to receive
 0.88 shares of fully paid and nonassessable shares of CTS common stock. The
 Merger Agreement has been approved by the Board of Directors of the Company.
 
     The undersigned understands that Purchaser reserves the right to transfer
 or assign, in whole or from time to time in part, to one or more of its
 affiliates, the right to purchase all or any portion of the Shares and Rights
 tendered pursuant to the Offer, but any such transfer or assignment will not
 relieve Purchaser of its obligations under the Offer or prejudice the rights
 of the tendering Shareholders to receive payment for Shares and Rights validly
 tendered and accepted for payment pursuant to the Offer.
 
     Subject to, and effective upon, acceptance for payment of the Shares and
 Rights tendered herewith, in accordance with the terms of the Offer
 (including, if the Offer is extended or amended, the terms and conditions of
 any such extension or amendment), the undersigned hereby sells, assigns and
 transfers to, or upon the order of, Purchaser all right, title and interest in
 and to all the Shares and Rights that are being tendered hereby (and any and
 all non-cash dividends, distributions, rights, other Shares and Rights or
 other securities issued or issuable in respect thereof or declared, paid or
 distributed in respect of such Shares and Rights on or after May 16, 1997
 ("Distribution")) and irrevocably appoints the Depositary the true and lawful
 agent and attorney-in-fact of the undersigned with respect to such Shares and
 Rights and any Distribution, with full power of substitution (such power of
 attorney being deemed to be an irrevocable power coupled with an interest), to
 (i) deliver certificates for such Shares and Rights and any Distribution, or
 transfer ownership of such Shares and Rights and any Distribution on the
 account books maintained by the Book-Entry Transfer Facility, together, in
 either case, with all accompanying evidence of transfer and authenticity to,
 or upon the order of Purchaser, (ii) present such Shares and Rights and any
 Distribution for transfer on the books of the Company, and (iii) receive all
 benefits and otherwise exercise all rights of beneficial ownership of such
 Shares and Rights and any Distribution, all in accordance with the terms of
 the Offer.
<PAGE>
     By executing this Letter of Transmittal, the undersigned irrevocably
 appoints each designee of Purchaser as attorney-in-fact and proxy of the
 undersigned, each with full power of substitution and resubstitution, to the
 full extent of the undersigned's rights with respect to all Shares and Rights
 tendered hereby and accepted for payment and paid for by Purchaser (and any
 Distribution), including without limitation, the right to vote such Shares and
 Rights (and any Distribution) in such manner as each such attorney and proxy
 or his substitute shall, in his sole discretion, deem proper, and otherwise to
 act (including pursuant to written consent) with respect to all the Shares and
 Rights tendered hereby that have been accepted for payment by the Purchaser
 prior to the time of such vote or action (and any Distribution of said Shares
 on or after May 16, 1997) which the undersigned is entitled to vote or consent
 with respect to any meeting of Shareholders of the Company, whether annual or
 special, and whether or not an adjourned meeting. All such powers of attorney
 and proxies, being deemed to be irrevocable, shall be considered coupled with
 an interest in the Shares and Rights tendered with this Letter of Transmittal.
 Such appointment will be effective when, and only to the extent that,
 Purchaser accepts such Shares for payment. Upon such acceptance for payment,
 all prior powers of attorney and proxies given by the undersigned with respect
 to such Shares and Rights (and any Distribution) will be revoked, without
 further action. The designees of Purchaser will, with respect to the Shares
 and Rights (and any Distribution) for which such appointment is effective, be
 empowered to exercise all voting and other rights of the undersigned with
 respect to such Shares and Rights (and any Distribution) as they in their sole
 discretion may deem proper. Purchaser reserves the absolute right to require
 that, in order for Shares and Rights to be deemed validly tendered,
 immediately upon the acceptance for payment of such Shares and Rights,
 Purchaser or its designees will be able to exercise full voting rights with
 respect to such Shares and Rights (and any Distribution), including voting at
 any meeting of Shareholders then scheduled.
 
     The undersigned hereby represents and warrants that the undersigned has
 full power and authority to tender, sell, assign and transfer the Shares and
 Rights tendered hereby and any Distribution that the undersigned own(s), and
 that, when such Shares and Rights are accepted for payment by Purchaser,
 Purchaser will acquire good, marketable and unencumbered title thereto and to
 any Distribution, free and clear of all liens, restrictions, charges and
 encumbrances, and that none of such Shares and Rights and Distributions will
 be subject to any adverse claim. The undersigned, upon request, shall execute
 and deliver all additional documents deemed by the Depositary or Purchaser to
 be necessary or desirable to complete the sale, assignment and transfer of the
 Shares and Rights tendered hereby and any Distribution. In addition, the
 undersigned shall remit and transfer promptly to the Depositary for the
 account of Purchaser any Distribution in respect of the Shares and Rights
 tendered hereby, accompanied by appropriate documentation of transfer, and,
 pending such remittance and transfer or appropriate assurance thereof,
 Purchaser shall be entitled to all rights and privileges as owner of each such
 Distribution and may withhold the Offer Price of the Shares and Rights
 tendered hereby or deduct from the Offer Price, the amount or value of such
 Distribution as determined by Purchaser in its sole discretion.
 
     No authority herein conferred or agreed to be conferred shall be affected
 by, and all such authority shall survive, the death or incapacity of the
 undersigned. All obligations of the undersigned hereunder shall be binding
 upon the heirs, executors, personal and legal representatives, administrators,
 trustees in bankruptcy, successors and assigns of the undersigned. Except as
 stated in the Offer To Purchase, this tender is irrevocable.
 
     The undersigned understands that tenders of Shares and Rights pursuant to
 any one of the procedures described in "The Offer--Procedures for Tendering
 Shares" of the Offer To Purchase and in the Instructions hereto will
 constitute the undersigned's acceptance of the terms and conditions of the
 Offer. Purchaser's acceptance for payment of Shares and Rights tendered
 pursuant to the Offer will constitute a binding agreement between the
 undersigned and Purchaser upon the terms and subject to the conditions of the
 Offer. The undersigned recognizes that under certain circumstances set forth
 in the Offer To Purchase, Purchaser may not be required to accept for payment
 any of the Shares and Rights tendered hereby.
<PAGE>
     Unless otherwise indicated herein in the box entitled "Special Payment
 Instructions," please issue the check for the Offer Price and/or return any
 Share Certificates and/or Right Certificates not tendered or accepted for
 payment, in the name(s) of the registered holder(s) appearing above under
 "Description of Shares Tendered." Similarly, unless otherwise indicated in the
 box entitled "Special Delivery Instructions," please mail the check for the
 Offer Price and/or return any certificates not tendered or accepted for
 payment (and accompanying documents, as appropriate) to the address(es) of the
 registered holder(s) appearing above under "Description of Shares Tendered."
 In the event that the box entitled "Special Payment Instructions" and/or
 "Special Delivery Instructions" are completed, please issue the check for the
 Offer Price and/or return any certificates not purchased or not tendered or
 accepted for payment in the name(s) of, and/or mail such check and/or return
 such Share Certificates to the person(s) so indicated. Unless otherwise
 indicated herein in the box entitled "Special Payment Instructions," please
 credit any Shares and Rights tendered hereby and delivered by book-entry
 transfer, but which are not purchased, by crediting the account at the
 Book-Entry Transfer Facility designated above. The undersigned recognizes that
 Purchaser has no obligation, pursuant to the Special Payment Instructions, to
 transfer any Shares or Rights from the name of the registered holder(s)
 thereof if Purchaser does not accept for payment any of the Shares or Rights
 tendered hereby.
 
                          SPECIAL PAYMENT INSTRUCTIONS
 
                       (SEE INSTRUCTIONS 1, 5, 6 AND 7 OF
 
                          THIS LETTER OF TRANSMITTAL)
 
 To be completed ONLY if certificates not tendered or not purchased and/or the
 check for the Offer Price of Shares purchased are to be issued in the name of
 someone other than the undersigned.
 Issue check and/or certificates to:
 Name: ________________________________________________________________________
 
                                 (Please Print)
 Address: _____________________________________________________________________
                               (Include Zip Code)
 ______________________________________________________________________________
 
 Taxpayer Identification or
 Social Security Number
 (See Substitute Form W-9)
 
                         SPECIAL DELIVERY INSTRUCTIONS
 
                       (SEE INSTRUCTIONS 1, 5, 6 AND 7 OF
 
                          THIS LETTER OF TRANSMITTAL)
 
 To be completed ONLY if certificates not tendered or not purchased and/or the
 check for the Offer Price of Shares purchased are to be sent to someone other
 than the undersigned, or to the undersigned at an address other than that
 shown above.
 
 Mail check and/or certificates to:
 
 Name: ________________________________________________________________________
 
                                 (Please Print)
 
 Address: _____________________________________________________________________
 
                               (Include Zip Code)
<PAGE>
 
                                PLEASE SIGN HERE
 
         --------------------------------------------------------------
 
         --------------------------------------------------------------
 
                           SIGNATURE(S) OF HOLDER(S)
 
     Dated:
 ----------------, 1997
 
     (Must be signed by registered holder(s) exactly as name(s) appear(s) on
 Share Certificate(s) and/or Right Certificate(s) or on a security position
 listing or by person(s) authorized to become registered holder(s) by Share
 Certificates and/or Right Certificates and documents transmitted herewith. If
 signature is by trustees, executors, administrators, guardians,
 attorneys-in-fact, officers of corporations or others acting in a fiduciary or
 representative capacity, please provide the following information. See
 Instruction 5 of this Letter of Transmittal.)
 
 Name(s):
 ------------------------------------------------------------------------------
 
                                 (Please Print)
 
 Capacity (full title):
 -----------------------------------------------------------------------
 
 Address:
 ------------------------------------------------------------------------------
 
                               (Include Zip Code)
 
 Area Code and Telephone Number:
 ----------------------------------------------------------
 
 Tax Identification or Social Security Number:
 --------------------------------------------------
 
                   PLEASE COMPLETE SUBSTITUTE FORM W-9 HEREIN
                           GUARANTEE OF SIGNATURE(S)
            (See Instructions 1 and 5 of this Letter of Transmittal)
 
     Authorized Signature(s):
 ----------------------------------------------------------------
 
 ----------------------------------------------------------------
 
 Name(s):
 ------------------------------------------------------------------------------
 
                                 (Please Print)
 
 Title:
 ------------------------------------------------------------------------------
 
 Name of Firm:
 -----------------------------------------------------------------------------
 
 Address:
 ------------------------------------------------------------------------------
 
                               (Include Zip Code)
 
 Area Code and Telephone Number:
 ----------------------------------------------------------
 
 Dated:
 ----------------, 1997
<PAGE>
                                  INSTRUCTIONS
             FORMING PART OF THE TERMS AND CONDITIONS OF THE OFFER
 
    1. GUARANTEE OF SIGNATURES. Except as otherwise provided below, all
signatures on this Letter of Transmittal must be guaranteed by a firm which is a
bank, broker, dealer, credit union, savings association, or other entity that is
a member in good standing of the Securities Transfer Agents Medallion Program
(each, an "Eligible Institution"). No signature guarantee is required on this
Letter of Transmittal (i) if this Letter of Transmittal is signed by the
registered holder(s) (which term, for purposes of this document, shall include
any participant in the Book-Entry Transfer Facility whose name appears on a
security position listing as the owner of Shares and/or Rights) of Shares and/or
Rights tendered herewith, unless such holder(s) has completed either the box
entitled "Special Delivery Instructions" or the box entitled "Special Payment
Instructions" included herein, or (ii) if such Shares and/or Rights are tendered
for the account of an Eligible Institution. See Instruction 5.
 
    2. DELIVERY OF LETTER OF TRANSMITTAL AND SHARE CERTIFICATES AND/OR RIGHTS
CERTIFICATES. This Letter of Transmittal is to be used either if Share
Certificates and/or Rights Certificates are to be forwarded herewith or if
Shares and/or Rights are to be delivered by book-entry transfer pursuant to the
procedure set forth in "The Offer--Procedures for Tendering Shares" of the Offer
To Purchase. Share Certificates and/or Rights Certificates, or confirmation of a
book-entry transfer of such Shares and/or Rights, if such procedure is
available, into the Depositary's account at a Book-Entry Transfer Facility
pursuant to the procedures set forth in "The Offer--Procedures for Tendering
Shares" of the Offer To Purchase, together with a properly completed and duly
executed Letter of Transmittal (or facsimile thereof) with any required
signature guarantees (or, in the case of a book-entry transfer, an Agent's
Message, as defined in the Offer To Purchase) and any other documents required
by this Letter of Transmittal, must be received by the Depositary at one of its
addresses set forth herein prior to the Expiration Date (as defined in "The
Offer-- Terms of the Offer; Proration; Expiration Date" of the Offer To
Purchase). If Share Certificates and/or Rights Certificates are forwarded to the
Depositary in multiple deliveries, a properly completed and duly executed Letter
of Transmittal must accompany each such delivery. Shareholders whose Share
Certificates and/or Rights Certificates are not immediately available, who
cannot deliver their Share Certificates and/ or Rights Certificates and all
other required documents to the Depositary prior to the Expiration Date or who
cannot complete the procedure for delivery by book-entry transfer on a timely
basis may tender their Shares and/or Rights pursuant to the guaranteed delivery
procedure described in "The Offer--Procedures for Tendering Shares" of the Offer
To Purchase. Pursuant to such procedure: (i) such tender must be made by or
through an Eligible Institution; (ii) a properly completed and duly executed
Notice of Guaranteed Delivery, substantially in the form provided by Purchaser
herewith, must be received by the Depositary prior to the Expiration Date; and
(iii) in the case of a guarantee of Shares and/or Rights, the Share Certificates
and/or Rights Certificates, in proper form for transfer, or a confirmation of a
book-entry transfer of such Shares and/or Rights, if such procedure is
available, into the Depositary's account at a Book-Entry Transfer Facility,
together with a properly completed and duly executed Letter of Transmittal (or
manually signed facsimile thereof) with any required signature guarantees (or,
in the case of a book-entry transfer, an Agent's Message), and any other
documents required by this Letter of Transmittal, must be received by the
Depositary within three New York Stock Exchange, Inc. trading days after the
date of execution of the Notice of Guaranteed Delivery, all as described in "The
Offer--Procedures for Tendering Shares" of the Offer To Purchase.
 
    THE METHOD OF DELIVERY OF THIS LETTER OF TRANSMITTAL, SHARE CERTIFICATES,
RIGHT CERTIFICATES AND ALL OTHER REQUIRED DOCUMENTS, INCLUDING DELIVERY THROUGH
ANY BOOK-ENTRY TRANSFER FACILITY, IS AT THE SOLE OPTION AND RISK OF THE
TENDERING SHAREHOLDER, AND THE DELIVERY WILL BE DEEMED MADE ONLY WHEN ACTUALLY
RECEIVED BY THE DEPOSITARY. IF DELIVERY IS BY MAIL, REGISTERED MAIL WITH RETURN
RECEIPT REQUESTED, PROPERLY INSURED, IS RECOMMENDED. IN ALL CASES, SUFFICIENT
TIME SHOULD BE ALLOWED TO ENSURE TIMELY DELIVERY.
<PAGE>
    No alternative, conditional or contingent tenders will be accepted and no
fractional Shares will be purchased. By execution of this Letter of Transmittal
(or a facsimile hereof), all tendering Shareholders waive any right to receive
any notice of the acceptance of their Shares and/or Rights for payment.
 
    3. INADEQUATE SPACE. If the space provided herein under "Description of
Shares Tendered" is inadequate, the certificate numbers, the number of Shares
evidenced by such Share Certificates or Rights Certificates and the number of
Shares and Rights tendered should be listed on a separate schedule and attached
hereto.
 
    4. PARTIAL TENDERS. (Not applicable to shareholders who tender by book-entry
transfer.) If fewer than all the Shares or Rights evidenced by any certificate
delivered to the Depositary herewith are to be tendered hereby, fill in the
number of Shares or Rights which are to be tendered in the box entitled "Number
of Shares Tendered." In such cases, new certificate(s) evidencing the remainder
of the Shares or Rights that were evidenced by the Share Certificates or Right
Certificates delivered to the Depositary herewith will be sent to the person(s)
signing this Letter of Transmittal, unless otherwise provided in the box
entitled "Special Delivery Instructions," as soon as practicable after the
expiration or termination of the Offer. All Shares and Rights evidenced by
certificates delivered to the Depositary will be deemed to have been tendered
unless otherwise indicated.
 
    5. SIGNATURES ON LETTER OF TRANSMITTAL; STOCK POWERS AND ENDORSEMENTS. If
this Letter of Transmittal is signed by the registered holder(s) of the Shares
and Rights tendered hereby, the signature(s) must correspond with the name(s) as
written on the face of the certificates without alteration, enlargement or any
other change whatsoever.
 
    If any Shares or Rights tendered hereby are owned of record by two or more
persons, all such persons must sign this Letter of Transmittal. If any of the
Shares or Rights tendered hereby are registered in the names of different
holders, it will be necessary to complete, sign and submit as many separate
Letters of Transmittal as there are different registrations of such
certificates.
 
    If this Letter of Transmittal is signed by the registered holder(s) of the
Shares and Rights tendered hereby, no endorsements of certificates or separate
stock powers are required, unless payment is to be made to, or certificates
evidencing Shares or Rights not tendered or not purchased are to be issued in
the name of, a person other than the registered holder(s), in which case, the
certificate(s) evidencing the Shares and Rights tendered hereby must be endorsed
or accompanied by appropriate stock powers, in either case signed exactly as the
name(s) of the registered holder(s) appear(s) on such certificate(s). Signatures
on such Share Certificate(s), Rights Certificate(s) and stock powers must be
guaranteed by an Eligible Institution.
 
    If this Letter of Transmittal is signed by a person other than the
registered holder(s) of the Shares and Rights tendered hereby, the
certificate(s) tendered hereby must be endorsed or accompanied by appropriate
stock powers, in either case signed exactly as the name(s) of the registered
holder(s) appear(s) on such certificate(s). Signatures on such certificate(s)
and stock powers must be guaranteed by an Eligible Institution.
 
    If this Letter of Transmittal or any certificate(s) or stock power is signed
by a trustee, executor, administrator, guardian, attorney-in-fact, officer of a
corporation or other person acting in a fiduciary or representative capacity,
such person should so indicate when signing, and proper evidence satisfactory to
Purchaser of such person's authority so to act must be submitted.
 
    6. STOCK TRANSFER TAXES. Except as otherwise provided in this Instruction 6,
Purchaser will pay all stock transfer taxes with respect to the sale and
transfer of any Shares and Rights to it or its order pursuant to the Offer. If,
however, payment of the Offer Price of any Shares or Rights purchased is to be
made to, or certificate(s) evidencing Shares or Rights not tendered or not
purchased are to be issued in the name of, a person other than the registered
holder(s), the amount of any stock transfer taxes (whether imposed on the
registered holder(s), such other person or otherwise) payable on account of the
transfer to such other person will be deducted from the Offer Price of such
Shares and Rights purchased, unless evidence satisfactory to Purchaser of the
payment of such taxes, or exemption therefrom, is submitted.
<PAGE>
    EXCEPT AS PROVIDED IN THIS INSTRUCTION 6, IT WILL NOT BE NECESSARY FOR
TRANSFER TAX STAMPS TO BE AFFIXED TO THE CERTIFICATE(S) EVIDENCING THE SHARES
AND/OR RIGHTS TENDERED HEREBY.
 
    7. SPECIAL PAYMENT AND DELIVERY INSTRUCTIONS. If a check for the Offer Price
of any Shares and Rights tendered hereby is to be issued, or Certificate(s)
evidencing Shares and Rights not tendered or not purchased are to be issued, in
the name of a person other than the person(s) signing this Letter of Transmittal
or if such check or any such Share Certificate and Right Certificate is to be
sent to someone other than the person(s) signing this Letter of Transmittal or
to the person(s) signing this Letter of Transmittal but at an address other than
that shown in the box entitled "Description of Shares Tendered," the appropriate
boxes on this Letter of Transmittal must be completed. Shares and Rights
tendered hereby by book-entry transfer may request that Shares and Rights not
purchased be credited to such account maintained at the Book-Entry Transfer
Facility as such Shareholder may designate in the box entitled "Special Payment
Instructions" on the reverse hereof. If no such instructions are given, all such
Shares and Rights not purchased will be returned by crediting the account at the
Book-Entry Transfer Facility as the account from which such Shares and Rights
were delivered.
 
    8. REQUESTS FOR ASSISTANCE OR ADDITIONAL COPIES. Requests for assistance may
be directed to the Information Agent at their respective addresses or telephone
numbers set forth herein. Additional copies of the Offer To Purchase, this
Letter of Transmittal, the Notice of Guaranteed Delivery and the Guidelines for
Certification of Taxpayer Identification Number on Substitute Form W-9 may be
obtained from the Information Agent or from brokers, dealers, commercial banks
or trust companies.
 
    9. SUBSTITUTE FORM W-9. Each tendering Shareholder is required to provide
the Depositary with a correct Taxpayer Identification Number ("TIN") on the
Substitute Form W-9 which is provided under "Important Tax Information" below,
and to certify, under penalties of perjury, that such number is correct and that
such Shareholder is not subject to backup withholding of federal income tax. If
a tendering Shareholder has been notified by the Internal Revenue Service that
such Shareholder is subject to backup withholding, such Shareholder must cross
out item (2) of the Certification box of the Substitute Form W-9, unless such
Shareholder has since been notified by the Internal Revenue Service that such
Shareholder is no longer subject to backup withholding. Failure to provide the
information on the Substitute Form W-9 may subject the tendering Shareholder to
31% federal income tax withholding on the payment of the Offer Price of all
Shares purchased from such Shareholder. If the tendering Shareholder has not
been issued a TIN and has applied for one or intends to apply for one in the
near future, such Shareholder should write "Applied For" in the space provided
for the TIN in Part I of the Substitute Form W-9, and sign and date the
Substitute Form W-9. If "Applied For" is written in Part I and the Depositary is
not provided with a TIN within 60 days, the Depositary will withhold 31% on all
payments of the Offer Price to such Shareholder until a TIN is provided to the
Depositary.
 
    10. LOST, DESTROYED OR STOLEN CERTIFICATES. If any certificate(s)
representing Shares or Rights has been lost, destroyed or stolen, the
Shareholder should promptly notify the Depositary. The Shareholder will then be
instructed as to the steps that must be taken in order to replace the
certificate(s). This Letter of Transmittal and related documents cannot be
processed until the procedures for replacing lost or destroyed certificates have
been followed.
 
    IMPORTANT: THIS LETTER OF TRANSMITTAL (OR A MANUALLY SIGNED FACSIMILE
HEREOF), PROPERLY COMPLETED AND DULY EXECUTED, WITH ANY REQUIRED SIGNATURE
GUARANTEES, OR AN AGENT'S MESSAGE (TOGETHER WITH SHARE CERTIFICATES AND/OR
RIGHTS CERTIFICATES OR CONFIRMATION OF BOOK-ENTRY TRANSFER AND ALL OTHER
REQUIRED DOCUMENTS) OR A PROPERLY COMPLETED AND DULY EXECUTED NOTICE OF
GUARANTEED DELIVERY MUST BE RECEIVED BY THE DEPOSITARY PRIOR TO THE EXPIRATION
DATE (AS DEFINED IN THE OFFER TO PURCHASE).
<PAGE>
                           IMPORTANT TAX INFORMATION
 
    Under the federal income tax law, a Shareholder whose tendered Shares and
Rights are accepted for payment is required by law to provide the Depositary (as
payer) with such shareholder's correct TIN on Substitute Form W-9 below. If such
Shareholder is an individual, the TIN is such Shareholder's social security
number. If the Depositary is not provided with the correct TIN, the Shareholder
may be subject to a $50 penalty imposed by the Internal Revenue Service. In
addition, payments that are made to such Shareholder with respect to Shares and
Rights purchased pursuant to the Offer may be subject to backup withholding of
31%.
 
    Certain Shareholders (including, among others, all corporations and certain
foreign individuals) are not subject to these backup withholding and reporting
requirements. In order for a foreign individual to qualify as an exempt
recipient, such individual must submit a statement, signed under penalties of
perjury, attesting to such individual's exempt status. Forms of such statements
can be obtained from the Depositary. See the enclosed Guidelines for
Certification of Taxpayer Identification Number on Substitute Form W-9 for
additional instructions.
 
    If backup withholding applies with respect to a Shareholder, the Depositary
is required to withhold 31% of any payments made to such Shareholder. Backup
withholding is not an additional tax. Rather, the tax liability of persons
subject to backup withholding will be reduced by the amount of tax withheld. If
withholding results in an overpayment of taxes, a refund may be obtained from
the Internal Revenue Service.
 
PURPOSE OF SUBSTITUTE FORM W-9
 
    To prevent backup withholding on payments that are made to a Shareholder
with respect to Shares and Rights purchased pursuant to the Offer, the
Shareholder is required to notify the Depositary of such Shareholder's correct
TIN by completing the form below certifying (a) that the TIN provided on
Substitute Form W-9 is correct (or that such Shareholder is awaiting a TIN), and
(b) that (i) such Shareholder has not been notified by the Internal Revenue
Service that such Shareholder is subject to backup withholding as a result of a
failure to report all interest or dividends or (ii) the Internal Revenue Service
has notified such Shareholder that such shareholder is no longer subject to
backup withholding.
 
WHAT NUMBER TO GIVE THE DEPOSITARY
 
    The Shareholder is required to give the Depositary the social security
number or employer identification number of the record holder of the Shares and
Rights tendered hereby. If the Shares and Rights are in more than one name or
are not in the name of the actual owner, consult the enclosed Guidelines for
Certification of Taxpayer Identification Number on Substitute Form W-9 for
additional guidance on which number to report. If the tendering Shareholder has
not been issued a TIN and has applied for a number or intends to apply for a
number in the near future, the Shareholder should write "Applied For" in the
space provided for the TIN in Part I, and sign and date the Substitute Form W-9.
If "Applied For" is written in Part I and the Depositary is not provided with a
TIN within 60 days, the Depositary will withhold 31% of all payments of the
Offer Price to such Shareholder until a TIN is provided to the Depositary.
<PAGE>
 
<TABLE>
<S>                                   <C>                                   <C>
SUBSTITUTE                            PART 1--PLEASE PROVIDE YOUR TIN IN
FORM W-9                              THE BOX AT RIGHT AND CERTIFY BY       Social Security Number
                                      SIGNING AND DATING BELOW.             OR
                                                                            Employer Identification Number
                                                                                   (If awaiting TIN write
                                                                                       "Applied For")
 
                                      PART 2--For Payees Exempt From Backup Withholding, see the enclosed
                                      Guidelines Taxpayer Identification and complete as instructed therein.
                                      CERTIFICATION--Under penalties of perjury, I certify that:
                                      (1)  The number shown on this form is my correct Taxpayer Identification
                                      Number (or a Taxpayer Identification Number has not been issued to me and
DEPARTMENT OF THE                          either (a) I have mailed or delivered an application to receive a
TREASURY                                   Taxpayer Identification Number to the appropriate Internal Revenue
INTERNAL REVENUE                           Service ("IRS") or Social Security administration office or (b) I
SERVICE                                    intend to mail or deliver an application in the near future. I
                                           understand that if I do not provide a Taxpayer Identification Number
PAYER'S REQUEST                            within sixty (60) days, 31% of all reportable payments made to me
FOR TAXPAYER                               hereafter will be withheld until I provide a number), and
IDENTIFICATION                        (2)  I am not subject to backup withholding because (a) I am exempt from
NUMBER (TIN)                          backup withholding, (b) I have not been notified by the IRS that I am
                                           subject to backup withholding as a result of failure to report all
                                           interest or dividends or (c) the IRS has notified me that I am no
                                           longer subject to backup withholding.
                                      CERTIFICATE INSTRUCTIONS--You must cross out item (2) above if you have
                                      been notified by the IRS that you are subject to backup withholding
                                      because of under reporting interest or dividends on your tax return.
                                      However, if after being notified by the IRS that you were subject to
                                      backup withholding you received another notification from the IRS that you
                                      are no longer subject to backup withholding, do not cross out item (2).
                                      (Also see instructions in the enclosed Guidelines.)
 
                                      SIGNATURE:                                      DATE:            , 1997
</TABLE>
 
NOTE:  FAILURE TO COMPLETE AND RETURN THIS FORM MAY RESULT IN BACKUP WITHHOLDING
       OF 31% OF ANY PAYMENTS MADE TO YOU PURSUANT TO THE OFFER. PLEASE REVIEW
       THE ENCLOSED GUIDELINES FOR CERTIFICATION OF TAXPAYER IDENTIFICATION
       NUMBER ON SUBSTITUTE FORM W-9 FOR ADDITIONAL DETAILS.
 
    YOU MUST COMPLETE THE FOLLOWING CERTIFICATION IF YOU WROTE "APPLIED FOR"
                  INSTEAD OF A TIN IN THE SUBSTITUTE FORM W-9.
 
            CERTIFICATION OF AWAITING TAXPAYER IDENTIFICATION NUMBER
 
   I certify under penalties of perjury that a taxpayer identification number
   has not been issued to me, and either (a) I have mailed or delivered an
   application to receive a taxpayer identification number to the appropriate
   Internal Revenue Service Center of Social Security Administration Office
   or (b) I intend to mail or deliver an application in the near future. I
   understand that if I do not provide a taxpayer identification number by
   the time of payment, 31% of all reportable payments made to me will be
   withheld until I provide a number, but will be refunded if I provide a
   certified taxpayer identification number within 60 days.
 
<TABLE>
<S>                                                 <C>
Signature:
  ----------------------------------------          Dated: -------------------------------------------
</TABLE>
<PAGE>
                        THE DEPOSITARY FOR THE OFFER IS:
 
                       THE FIRST NATIONAL BANK OF BOSTON
 
<TABLE>
<S>                            <C>                            <C>
          BY HAND:                 BY OVERNIGHT COURIER:                 BY MAIL:
   Securities Transfer and            Bank of Boston             Bank of Boston Corporate
  Reporting Services, Inc.         Corporate Agency and         Agency and Reorganization
     One Exchange Plaza               Reorganization                Mail Stop 45-02-53
   55 Broadway, 3rd Floor           Mail Stop 45-02-53                P.O. Box 1889
  New York, New York 10006           150 Royall Street            Boston, Massachusetts
                                Canton, Massachusetts 02021             02015-1889
</TABLE>
 
                           BY FACSIMILE TRANSMISSION:
 
                        (for Eligible Institutions Only)
                                 (617) 575-2233
 
                 CONFIRM FACSIMILE BY TELEPHONE (CALL COLLECT)
                                 (617) 575-3120
 
    Any questions or requests for assistance or additional copies of the Offer
To Purchase, the Letter of Transmittal and the Notice of Guaranteed Delivery may
be directed to the Information Agent or the Dealer Manager at their respective
telephone numbers and locations listed below. You may also contact your broker,
dealer, commercial bank, trust company or other nominee for assistance
concerning the Offer.
 
                    THE INFORMATION AGENT FOR THE OFFER IS:
 
                                     [LOGO]
 
                                156 Fifth Avenue
 
                            New York, New York 10010
 
                         (212) 929-5500 (call Collect)
 
                                       or
 
                         Call Toll Free (800) 322-2885
 
                      THE DEALER MANAGER FOR THE OFFER IS:
 
                               J.P. MORGAN & CO.
 
                                 60 Wall Street
 
                                 Mail Stop 2860
                            New York, New York 10260
                         (212) 648-3251 (call collect)
                           (800) 600-3799 (toll free)

<PAGE>
                                                                Exhibit 99(a)(3)
 
                         NOTICE OF GUARANTEED DELIVERY
                              FOR TENDER OF SHARES
                                OF COMMON STOCK
                                       OF
                        DYNAMICS CORPORATION OF AMERICA
 
    As set forth in "The Offer--Procedures for Tendering Shares" of the Offer To
Purchase (as defined below), this form, or a form substantially equivalent to
this form, must be used to accept the Offer (as defined below) if the
certificates representing shares of common stock (the "Shares"), par value $0.10
per share of Dynamics Corporation of America (the "Company") and/or the
certificates representing the associated rights (the"Rights") issued pursuant to
the Rights Agreement, dated as of January 30, 1986, as amended, between the
Company and First National Bank of Boston, as Rights Agent, are not immediately
available or time will not permit all required documents to reach the Depositary
prior to the Expiration Date (as defined in the Offer To Purchase) or the
procedures for book-entry transfer cannot be completed on a timely basis. Such
form may be delivered by hand or transmitted by telegram, facsimile transmission
or mail to the Depositary and must include a guarantee by an Eligible
Institution (as defined below). See "The Offer--Procedures for Tendering Shares"
of the Offer To Purchase.
 
                        THE DEPOSITARY FOR THE OFFER IS:
 
                       THE FIRST NATIONAL BANK OF BOSTON
 
<TABLE>
<S>                           <C>                                 <C>
          BY HAND:                  BY OVERNIGHT COURIER:                  BY MAIL:
  Securities Transfer and               Bank of Boston                  Bank of Boston
  Reporting Services, Inc.             Corporate Agency              Corporate Agency and
     One Exchange Plaza                 Reorganization                  Reorganization
   55 Broadway, 3rd Floor             Mail Stop 45-02-53              Mail Stop 45-02-53
  New York, New York 10006            150 Royall Street                 P.O. Box 1889
                                 Canton, Massachusetts 02021        Boston, Massachusetts
                                                                          02015-1889
</TABLE>
 
                           BY FACSIMILE TRANSMISSION:
                        (for Eligible Institutions Only)
                                 (617) 575-2233
 
                 CONFIRM FACSIMILE BY TELEPHONE (CALL COLLECT)
                                 (617) 575-3120
 
 DELIVERY OF THIS NOTICE OF GUARANTEED DELIVERY TO AN ADDRESS OTHER THAN AS SET
 FORTH ABOVE, OR TRANSMISSION OF INSTRUCTIONS VIA FACSIMILE TRANSMISSION OTHER
         THAN AS SET FORTH ABOVE, WILL NOT CONSTITUTE A VALID DELIVERY.
 
    THIS FORM IS NOT TO BE USED TO GUARANTEE SIGNATURES. IF A SIGNATURE ON A
LETTER OF TRANSMITTAL IS REQUIRED TO BE GUARANTEED BY AN "ELIGIBLE INSTITUTION"
UNDER THE INSTRUCTIONS THERETO, SUCH SIGNATURE GUARANTEE MUST APPEAR IN THE
APPLICABLE SPACE PROVIDED IN THE SIGNATURE BOX ON THE LETTER OF TRANSMITTAL.
<PAGE>
Ladies and Gentlemen:
 
    The undersigned hereby tenders to CTS First Acquisition Corp., a New York
corporation and a wholly owned subsidiary of CTS Corporation, an Indiana
corporation, upon the terms and subject to the conditions set forth in the Offer
To Purchase, dated May 16, 1997 (the "Offer To Purchase"), and the related
Letter of Transmittal (which, as amended from time to time, together constitute
the "Offer"), receipt of each of which is hereby acknowledged, the number of
Shares and/or Rights specified below pursuant to the guaranteed delivery
procedures described in "The Offer--Procedures for Tendering Shares" of the
Offer To Purchase.
 
<TABLE>
<CAPTION>
<S>                                                           <C>
  (Please Type or Print)
 
  Number of Shares (if Rights, so indicate):
                                                              Names of Registered Holder(s):
  Certificate Nos. (if available):                            ------------------------------------------------
 
                                                              ------------------------------------------------
 -----------------------------------------------------------
 
 -----------------------------------------------------------
                                                              Address:
 
  If Shares or Rights will be tendered by book-entry          ------------------------------------------------
  transfer, check one box
  / / The Depositary Trust Company                            ------------------------------------------------
  / / Philadelphia Depositary Trust Company                   ------------------------------------------------
  Account Number                                              Area Code and Telephone Number:
 
                                                              ------------------------------------------------
- -----------------------------------------------------------------------------------------------------------------
  PLEASE SIGN HERE:
 
  x
  ----------------------------------------------------------
 
  x
  ----------------------------------------------------------
                (Signature(s))                     (Dates)
</TABLE>
 
                                   GUARANTEE
                    (NOT TO BE USED FOR SIGNATURE GUARANTEE)
 
    The undersigned, a participant in the Security Transfer Agents Medallion
Program ("Eligible Institution"), hereby (a) represents that the tender of
Shares and/or Rights effected hereby complies with Rule 14e-4 under the
Securities Exchange Act of 1934, as amended, and (b) guarantees that either the
certificates representing the Shares and/or Rights tendered hereby in proper
form for transfer, or timely confirmation of a book-entry transfer of such
Shares into the Depositary's account (pursuant to procedures set forth in "The
Offer--Procedures for Tendering Shares" in the Offer To Purchase), together with
a properly completed and duly executed Letter of Transmittal (or facsimile
thereof) with any required signature guarantees and any other documents required
by the Letter of Transmittal, will be received by the Depositary at one of its
addresses set forth above within three New York Stock Exchange trading days
after the date of execution hereof. The Eligible Institution that completes this
form must communicate the guarantee to the Depositary and must deliver the
Letter of Transmittal and certificates for Shares and Rights to the Depositary
within the time period shown herein. Failure to do so could result in financial
loss to such Eligible Institution.
 
<TABLE>
<S>                                            <C>
- --------------------------------------------   --------------------------------------------
                Name of Firm                              (Authorized Signature)
 
- --------------------------------------------   --------------------------------------------
                   Address                                  (Please Print Name)
 
- ---------------------------------------------  ---------------------------------------------
           (City, State, Zip Code)                                (Title)
 
- ---------------------------------------------  ---------------------------------------------
      (Area Code and Telephone Number)                            (Date)
</TABLE>
 
    DO NOT SEND SHARES CERTIFICATES OR RIGHT CERTIFICATES WITH THIS NOTICE.
  SHARE CERTIFICATES AND RIGHT CERTIFICATES SHOULD BE SENT WITH YOUR LETTER OF
                                  TRANSMITTAL.

<PAGE>
                                                                Exhibit 99(a)(4)
 
                           Offer To Purchase for Cash
                                  Up to 49.9%
                        Of the Outstanding Common Stock
                                       of
                        Dynamics Corporation of America
                                       at
                              $55.00 Net Per Share
                                       by
                          CTS First Acquisition Corp.
                           a Wholly Owned Subsidiary
                                       of
                                CTS Corporation
 
 THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00
 MIDNIGHT, NEW YORK CITY TIME, ON FRIDAY, JUNE 13, 1997, UNLESS THE OFFER IS
 EXTENDED.
 
                                                                    May 16, 1997
 
To Brokers, Dealers, Commercial Banks,
Trust Companies and Other Nominees:
 
    We are asking you to contact your clients for whom you hold shares of common
stock, par value $.10 per share (the "Shares"), of Dynamics Corporation of
America, a New York corporation (the "Company"). Please bring to their attention
as promptly as possible the offer being made by CTS First Acquisition Corp., a
New York corporation ("Purchaser") and a wholly owned subsidiary of CTS
Corporation, an Indiana corporation ("CTS"), to purchase Shares of the Company,
together with the associated purchase rights issued pursuant to the Company
Rights Agreement (the "Rights") at a price of $55.00 per Share (and associated
Right), net to the seller in cash, without interest thereon, upon the terms and
subject to the conditions set forth in the Offer To Purchase, dated May 16, 1997
(the "Offer To Purchase"), and the related Letter of Transmittal (which, as
amended from time to time, together constitute the "Offer") enclosed herewith.
The Offer has been made pursuant to an Agreement and Plan of Merger, dated as of
May 9, 1997, among the Company, the Purchaser and CTS (the "Merger Agreement"),
according to which the Offer will be followed by a merger in which each
outstanding common share of the Company will be converted into the right to
receive 0.88 shares of CTS common stock. The Merger Agreement has been approved
by the Board of Directors of the Company. For your information and for
forwarding to your clients for whom you hold Shares registered in your name or
in the name of your nominee, or who hold Shares registered in their own names,
we are enclosing the following documents:
 
        1.  Offer To Purchase, dated May 16, 1997;
 
        2.  Letter of Transmittal to be used by holders of Shares and/or Rights
            in accepting the Offer. Facsimile copies of the Letter of
            Transmittal may be used to accept the Offer;
 
        3.  Notice of Guaranteed Delivery to be used to accept the Offer if the
            certificates evidencing such Shares and/or Rights are not
            immediately available or time will not permit all required documents
            to reach the Depositary prior to the Expiration Date or the
            procedure for book-entry transfer cannot be completed on a timely
            basis;
<PAGE>
        4.  A letter which may be sent to your clients for whose accounts you
            hold Shares registered in your name or in the name of your nominees,
            with space provided for obtaining such clients' instructions with
            regard to the Offer;
 
        5.  Guidelines of the Internal Revenue Service for Certification of
            Taxpayer Identification Number on Substitute Form W-9; and
 
        6.  Return envelope addressed to the Depositary.
 
    We are asking you to contact your clients for whom you hold Shares
registered in your name (or in the name of your nominee) or who hold Shares
registered in their own names. Please bring the Offer to their attention as
promptly as possible. The Purchaser will not pay any fees or commissions to any
broker or dealer or any other person (other than the Information Agent) for
soliciting tenders of Shares pursuant to the Offer. You will be reimbursed by
the Purchaser for customary mailing expenses incurred by you in forwarding any
of the enclosed materials to your clients. The Purchaser will pay or cause to be
paid any stock transfer taxes payable on the sale and transfer of Shares to it
or its order, except as otherwise provided in Instruction 6 of the Letter of
Transmittal. YOUR PROMPT ACTION IS REQUESTED. WE URGE YOU TO CONTACT YOUR
CLIENTS AS PROMPTLY AS POSSIBLE. THE OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT
12:00 MIDNIGHT, NEW YORK CITY TIME, ON FRIDAY, JUNE 13, 1997, UNLESS THE OFFER
IS EXTENDED.
 
    In order to take advantage of the Offer, (1) a duly executed and properly
completed Letter of Transmittal, and, if necessary, any other required documents
should be sent to the Depositary and (2) either certificates representing the
tendered Shares and/or Rights should be delivered to the Depositary, or such
Shares and/or Rights should be tendered by book-entry transfer into the
Depositary's account at one of the Book-Entry Transfer Facilities (as defined in
the Offer To Purchase), all in accordance with the Instructions set forth in the
Letter of Transmittal and the Offer To Purchase.
 
    If holders of Shares and/or Rights wish to tender, but it is impracticable
for them to forward their certificates or other required documents to the
Depositary prior to the expiration of the Offer or to comply with the book-entry
transfer procedures on a timely basis, a tender may be effected by following the
guaranteed delivery procedures specified in "The Offer--Procedures for Tendering
Shares" of the Offer To Purchase. Any inquiries you may have with respect to the
Offer should be addressed to the Information Agent at the address and telephone
number as set forth on the back cover page of the Offer To Purchase.
 
    Additional copies of the above documents may be obtained from the
Information Agent, at the address and telephone number set forth on the back
cover of the Offer To Purchase.
 
                                          Very truly yours,
                                          J.P. MORGAN SECURITIES INC.
 
    NOTHING CONTAINED HEREIN OR IN THE ENCLOSED DOCUMENTS SHALL CONSTITUTE YOU
OR ANY OTHER PERSON AS AN AGENT OF CTS, PURCHASER, THE DEPOSITARY OR THE
INFORMATION AGENT OR ANY AFFILIATE OF ANY OF THE FOREGOING, OR AUTHORIZE YOU OR
ANY OTHER PERSON TO USE ANY DOCUMENT OR MAKE ANY STATEMENT ON BEHALF OF ANY OF
THEM IN CONNECTION WITH THE OFFER OTHER THAN THE DOCUMENTS ENCLOSED AND THE
STATEMENTS CONTAINED THEREIN.

<PAGE>
                                                                Exhibit 99(a)(3)
 
                           Offer To Purchase for Cash
                                  Up to 49.9%
                        Of the Outstanding Common Stock
                                       of
                        Dynamics Corporation of America
                                       at
                              $55.00 Net Per Share
                                       by
                          CTS First Acquisition Corp.
                           a Wholly Owned Subsidiary
                                       of
                                CTS Corporation
 
 THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00
 MIDNIGHT, NEW YORK CITY TIME, ON FRIDAY, JUNE 13, 1997, UNLESS THE OFFER IS
 EXTENDED.
 
                                                                    May 16, 1997
 
To Our Clients:
 
    Enclosed for your consideration is an Offer To Purchase, dated May 16, 1997
(the "Offer To Purchase"), and the related Letter of Transmittal (which, as
amended from time to time, together constitute the "Offer") in connection with
the Offer by CTS First Acquisition Corp., a New York corporation ("Purchaser"),
and a wholly owned subsidiary of CTS Corporation, an Indiana corporation
("CTS"), to purchase shares of common stock, par value $.10 per share (the
"Shares") of Dynamics Corporation of America, a New York corporation (the
"Company"), together with the associated purchase rights issued pursuant to the
Company Rights Agreement (the "Rights"), at a price of $55.00 per Share (and
associated Right), net to the seller in cash, without interest thereon, upon the
terms and subject to the conditions set forth in the Offer.
 
    If the Rights separate from the Shares and are evidenced by Rights
Certificates (the "Rights Separation") Shareholders will be required to tender
one Right for each Share tendered in order to effect a valid tender of Shares.
Unless the Rights Separation occurs, a tender of Shares will also constitute a
tender of the associated Rights.
 
    THE MATERIAL IS BEING SENT TO YOU AS THE BENEFICIAL OWNER OF SHARES AND/ OR
RIGHTS HELD BY US FOR YOUR ACCOUNT BUT NOT REGISTERED IN YOUR NAME. WE ARE THE
HOLDER OF RECORD OF SHARES AND/OR RIGHTS HELD BY US FOR YOUR ACCOUNT. A TENDER
OF SUCH SHARES AND/OR RIGHTS CAN BE MADE ONLY BY US AS THE HOLDER OF RECORD AND
PURSUANT TO YOUR INSTRUCTIONS. THE LETTER OF TRANSMITTAL IS FURNISHED TO YOU FOR
YOUR INFORMATION ONLY AND CANNOT BE USED BY YOU TO TENDER SHARES AND/OR RIGHTS
HELD BY US FOR YOUR ACCOUNT.
 
    We request instructions as to whether you wish to have us tender on your
behalf any or all of the Shares and Rights held by us for your account, upon the
terms and subject to the conditions set forth in the Offer.
 
    Your attention is invited to the following:
<PAGE>
        1.  The tender price is $55.00 per Share (and associated Right), net to
    the seller in cash.
 
        2.  The Offer, and withdrawal rights will expire at 12:00 Midnight, New
            York City time, on Friday, June 13, 1997, unless the Offer is
            extended.
 
        3.  The Offer is being made for less than all of the outstanding Shares
    and Rights.
 
        4.  Tendering Shareholders will not be obligated to pay brokerage fees
            or commissions or, except as set forth in Instruction 6 of the
            Letter of Transmittal, stock transfer taxes on the purchase of
            Shares by Purchaser pursuant to the Offer.
 
        5.  The Offer is conditioned upon, among other things, there have been
            validly tendered and not withdrawn prior to the Expiration Date (as
            defined in the Offer To Purchase) a number of Shares which
            constitutes at least 25% of the Shares outstanding on the date of
            purchase.
 
        6.  The Offer has been made pursuant to an Agreement and Plan of Merger,
            dated as of May 9, 1997, among the Company, the Purchaser and CTS
            (the "Merger Agreement"), according to which the Offer will be
            followed by a merger in which each outstanding common share of the
            Company will be converted into the right to receive 0.88 shares of
            CTS common stock. The Merger Agreement has been approved by the
            Board of Directors of the Company.
 
    The Offer is made solely by the Offer To Purchase and the related Letter of
Transmittal and is being made to all holders of Shares and Rights. Purchaser is
not aware of any state where the making of the Offer is prohibited by
administrative or judicial action pursuant to any valid state statute. If
Purchaser becomes aware of any valid state statute prohibiting the making of the
Offer or the acceptance of Shares and Rights pursuant thereto, Purchaser will
make a good faith effort to comply with such state statute. If, after such good
faith effort, Purchaser cannot comply with such state statute, the Offer will
not be made to (nor will tenders be accepted from or on behalf of) the holders
of Shares and Rights in such state. In any jurisdiction where the securities,
blue sky or other laws require the Offer to be made by a licensed broker or
dealer, the Offer shall be deemed to be made on behalf of Purchaser by the
Dealer Managers or one or more registered broker or dealer licensed under the
laws of such jurisdiction.
 
    If you wish to have us tender any or all of your Shares and Rights, please
so instruct us by completing, executing and returning to us the instruction form
contained in this letter. An envelope in which to return your instructions to us
is enclosed. If you authorize the tender of your Shares and Rights, all such
Shares and Rights will be tendered unless otherwise specified on the instruction
form set forth in this letter. YOUR INSTRUCTIONS SHOULD BE FORWARDED TO US IN
AMPLE TIME TO PERMIT US TO SUBMIT A TENDER ON YOUR BEHALF PRIOR TO THE
EXPIRATION OF THE OFFER.
<PAGE>
     INSTRUCTIONS WITH RESPECT TO THE OFFER TO PURCHASE UP TO 49.9% OF THE
 
          OUTSTANDING COMMON STOCK OF DYNAMICS CORPORATION OF AMERICA
 
    The undersigned acknowledge(s) receipt of your letter and the enclosed Offer
To Purchase, dated May 16, 1997 (the "Offer To Purchase"), and the related
Letter of Transmittal (which, as amended from time to time, together constitute
the "Offer"), in connection with the offer by CTS First Acquisition Corp., a New
York corporation ("Purchaser") and a wholly owned subsidiary of CTS Corporation,
an Indiana corporation, to purchase shares of common stock, par value $.10 per
share (the "Shares") of Dynamics Corporation of America (the "Company"), a New
York corporation, together with the associated purchase rights issued pursuant
to the Company Rights Agreement (the "Rights"), at a price of $55.00 per Share
and associated Right, net to the seller in cash, without interest thereon, upon
the terms and subject to the conditions set forth in the Offer.
 
    This will instruct you to tender to Purchaser the number of Shares and
Rights indicated below (or, if no number is indicated in either appropriate
space below, all Shares and Rights) held by you for the account of the
undersigned, upon the terms and subject to the conditions set forth in the
Offer.
 
                        NUMBER OF SHARES TO BE TENDERED*
 
<TABLE>
<S>                                           <C>
                                     PLEASE SIGN HERE
 
Number of Shares (and associated Rights) to be tendered: ------ Shares (and associated
Rights)
Account Number: -------------
</TABLE>
 
<TABLE>
<S>                                                               <C>
- ---------------------------------------------------------------------------------
 
                                                                  , -----------------
- ---------------------------------------------------------------
                          Signature(s)                                   Date
 
- ---------------------------------------------------------------------------------
                                Please Print Name(s)
 
- ---------------------------------------------------------------------------------
                Taxpayer Identification or Social Security Number(s)
 
- ---------------------------------------------------------------------------------
                          Area Code and Telephone Number(s)
</TABLE>
 
* Unless otherwise indicated, it will be assumed that all Shares and Rights held
  by us for your account are to be tendered.

<PAGE>
                                                                Exhibit 99(a)(b)
 
            GUIDELINES FOR CERTIFICATION OF TAXPAYER IDENTIFICATION
                         NUMBER ON SUBSTITUTE FORM W-9
 
    GUIDELINES FOR DETERMINING THE PROPER IDENTIFICATION NUMBER TO GIVE THE
PAYER. -- Social Security numbers have nine digits separated by two hyphens:
i.e., 000-00-0000. Employer identification numbers have nine digits separated by
only one hyphen: i.e., 00-0000000. The table below will help determine the
number to give the payer.
<TABLE>
<CAPTION>
- -----------------------------------------------------
                                 GIVE THE
                                 SOCIAL SECURITY
FOR THIS TYPE OF ACCOUNT:        NUMBER OF --
- -----------------------------------------------------
<S>        <C>                   <C>
1.         An individual's       The individual
           account
2.         Two or more           The actual owner of
           individuals (joint    the account or, if
           account)              combined funds, any
                                 one of the
                                 individuals(1)
3.         Husband and wife      The actual owner of
           (joint account)       the account or, if
                                 joint funds, either
                                 person(1)
4.         Custodian account of  The minor(2)
           a minor (Uniform
           Gift to Minors Act)
5.         Adult and minor       The adult or, if the
           (joint account)       minor is the only
                                 contributor, the
                                 minor(1)
6.         Account in the name   The ward, minor, or
           of guardian or        incompetent
           committee for a       person(3)
           designated ward,
           minor, or
           incompetent person
7.         a. The usual          The
              revocable savings  grantor-trustee(1)
              trust account
              (grantor is also
              trustee)
           b. So-called trust
              account that is    The actual owner(1)
              not a legal or
              valid trust under
              State law
8.         Sole proprietorship   The owner(4)
           account
- -----------------------------------------------------
 
<CAPTION>
                                 GIVE THE EMPLOYER
                                 IDENTIFICATION
FOR THIS TYPE OF ACCOUNT:        NUMBER OF --
<S>        <C>                   <C>
- -----------------------------------------------------
9.         A valid trust,        Legal entity (Do not
           estate, or pension    furnish the trust
           trust                 identifying number
                                 of the personal
                                 representative or
                                 trustee unless the
                                 legal entity itself
                                 is not designated in
                                 the account
                                 title.)(5)
10.        Corporate account     The corporation
11.        Religious,            The organization
           charitable, or
           educational
           organization account
12.        Partnership account   The partnership
           held in the name of
           the business
13.        Association, club,    The organization
           or other tax-exempt
           organization
14.        A broker or           The broker or
           registered nominee    nominee
15.        Account with the      The public entity
           Department of
           Agriculture in the
           name of a public
           entity (such as a
           State or local
           government, school
           district, or prison)
           that received
           agricultural program
           payments
</TABLE>
 
- ---------------------------------------------
- ---------------------------------------------
 
(1) List first and circle the name of the person whose number you furnish.
(2) Circle the minor's name and furnish the minor's social security number.
(3) Circle the ward's, minor's, or incompetent person's name and furnish such
    person's social security number.
(4) Show the name of the owner.
(5) List first and circle the name of the legal trust, estate, or pension trust.
 
NOTE: If no name is circled when there is more than one name, the number will be
      considered to be that of the first name listed.
<PAGE>
            GUIDELINES FOR CERTIFICATION OF TAXPAYER IDENTIFICATION
 
                         NUMBER ON SUBSTITUTE FORM W-9
 
OBTAINING A NUMBER
 
If you do not have a taxpayer identification number or you do not know your
number, obtain Form SS-5, Application for a Social Security Number Card, or Form
SS-4, Application for Employer Identification Number, at the local office of the
Social Security Administration or the Internal Revenue Service and apply for a
number.
 
PAYEES EXEMPT FROM BACKUP WITHHOLDING
 
Payees specifically exempted from backup withholding on ALL payments include the
following:
 
    - A corporation.
 
    - A financial institution.
 
    - An organization exempt from tax under section 501(a), or an individual
      retirement plan.
 
    - The United States or any agency or instrumentality thereof.
 
    - A State, the District of Columbia, a possession of the United States, or
      any subdivision or instrumentality thereof.
 
    - A foreign government, a political subdivision of a foreign government, or
      any agency or instrumentality thereof.
 
    - An international organization or any agency or instrumentality thereof.
 
    - A registered dealer in securities or commodities registered in the U.S. or
      a possession of the U.S.
 
    - A real estate investment trust.
 
    - A common trust fund operated by a bank under section 584(a).
 
    - An exempt charitable remainder trust, or a non-exempt trust described in
      section 4947(a)(1).
 
    - An entity registered at all times under the Investment Company Act of
      1940.
 
    - A foreign central bank of issue.
 
    Payments of dividends and patronage dividends not generally subject to
backup withholding include the following:
 
    - Payments to nonresident aliens subject to withholding under section 1441.
 
    - Payments to partnerships not engaged in a trade or business in the U.S.
      and which have at least one nonresident partner.
 
    - Payments of patronage dividends where the amount received is not paid in
      money.
 
    - Payments made by certain foreign organizations.
 
    - Payments made to a nominee.
 
    Payments of interest not generally subject to backup withholding include the
following:
 
    - Payments of interest on obligations issued by individuals. NOTE: You may
      be subject to backup withholding if this interest is $600 or more and is
      paid in the course of the payer's trade or business and you have not
      provided your correct taxpayer identification number to the payer.
 
    - Payments of tax-exempt interest (including exempt-interest dividends under
      section 852).
 
    - Payments described in section 6049(b)(5) to nonresident aliens.
 
    - Payments on tax-free covenant bonds under section 1451.
 
    - Payments made by certain foreign organizations.
 
    - Payments of mortgage interest to you.
 
    Exempt payees described above should file Form W-9 to avoid possible
erroneous backup withholding.
 
    FILE THIS FORM WITH THE PAYOR. FURNISH YOUR TAXPAYER IDENTIFICATION NUMBER,
WRITE "EXEMPT" ON THE FACE OF THE FORM, AND RETURN IT TO THE PAYER. IF THE
PAYMENTS ARE INTEREST, DIVIDENDS, OR PATRONAGE DIVIDENDS, ALSO SIGN AND DATE THE
FORM.
 
    Certain payments other than interest, dividends and patronage dividends,
that are not subject to information reporting are also not subject to backup
withholding. For details, see the regulations under sections 6041, 6041A(a),
6045, and 6050A.
 
PRIVACY ACT NOTICE--Section 6109 requires most recipients of dividend, interest,
or other payments to give taxpayer identification numbers to payers who must
report the payments to IRS. The IRS uses the numbers for identification
purposes. Payers must be given the numbers whether or not recipients are
required to file tax returns. Payers must generally withhold 31% of taxable
interest, dividend, and certain other payments to a payee who does not furnish a
taxpayer identification number to a payer. Certain penalties may also apply.
 
PENALTIES
 
(1) PENALTY FOR FAILURE TO FURNISH TAXPAYER IDENTIFICATION NUMBER--If you fail
to furnish your taxpayer identification number to a payer, you are subject to a
penalty of $50 for each such failure unless your failure is due to reasonable
cause and not to willful neglect.
 
(2) FAILURE TO REPORT CERTAIN DIVIDEND AND INTEREST PAYMENTS--If you fail to
include any portion of an includable payment for interest, dividends, or
patronage dividends in gross income, such failure will be treated as being due
to negligence and will be subject to a penalty of 20% on any portion of an
underpayment attributable to that failure unless there is clear and convincing
evidence to the contrary.
 
(3) CIVIL PENALTY FOR FALSE INFORMATION WITH RESPECT TO WITHHOLDING--If you make
a false statement with no reasonable basis which results in no imposition of
backup withholding, you are subject to a penalty of $500.
 
(4) CRIMINAL PENALTY FOR FALSIFYING INFORMATION-- Falsifying certifications or
affirmations may subject you to criminal penalties including fines and/or
imprisonment.
 
FOR ADDITIONAL INFORMATION CONTACT YOUR TAX CONSULTANT OR THE INTERNAL REVENUE
SERVICE.


<PAGE>

                                                             EXHIBIT 99(a)(7)


THIS ANNOUNCEMENT IS NEITHER AN OFFER TO PURCHASE NOR A SOLICITATION OF AN 
OFFER TO SELL SHARES. THE OFFER IS MADE SOLELY BY THE OFFER TO PURCHASE, 
DATED MAY 16, 1997, AND THE RELATED LETTER OF TRANSMITTAL AND ANY AMENDMENTS 
OR SUPPLEMENTS THERETO AND IS BEING MADE TO ALL HOLDERS OF SHARES. THE OFFER 
IS NOT BEING MADE TO (NOR WILL TENDERS BE ACCEPTED FROM OR ON BEHALF OF) 
HOLDERS OF SHARES IN ANY JURISDICTION IN WHICH THE MAKING OF THE OFFER OR THE 
ACCEPTANCE THEREOF WOULD NOT BE IN COMPLIANCE WITH THE LAWS OF SUCH 
JURISDICTION. IN ANY JURISDICTION WHERE SECURITIES, BLUE SKY OR OTHER LAWS 
REQUIRE THE OFFER TO BE MADE BY A LICENSED BROKER OR DEALER, THE OFFER SHALL 
BE DEEMED TO BE MADE ON BEHALF OF CTS FIRST ACQUISITION CORP. BY J.P. MORGAN 
SECURITIES INC. OR ONE OR MORE REGISTERED BROKERS OR DEALERS LICENSED UNDER 
THE LAWS OF SUCH JURISDICTION.

NOTICE OF OFFER TO PURCHASE FOR CASH 

UP TO 49.9% OF THE OUTSTANDING COMMON STOCK 

OF 

DYNAMICS CORPORATION OF AMERICA 

AT 

$55.00 NET PER SHARE 

BY 

CTS FIRST ACQUISITION CORP., 

A WHOLLY OWNED SUBSIDIARY OF 

CTS CORPORATION 

CTS First Acquisition Corp., a New York corporation ("Purchaser"), hereby 
offers to purchase up to 49.9% of the issued and outstanding shares of Common 
Stock (the "Shares") of Dynamics Corporation of America, a New York 
corporation (the "Company"), together with the associated stock purchase 
rights (the "Rights"), at a price of $55.00 per Share (the "Offer Price"), 
net to the seller in cash, without interest thereon, on the terms and subject 
to the conditions set forth in the Offer to Purchase, dated May 16, 1997 (the 
"Offer To Purchase"), and in the related Letter of Transmittal (which, as 
amended from time to time, together constitute the "Offer"). According to the 
Company, there were 3,838,742 Shares outstanding as of May 8, 1997. Assuming 
no change in such number, the Offer is to purchase 1,915,500 Shares (subject 
to increase in accordance with the Merger Agreement in certain 
circumstances). Purchaser is a newly formed wholly owned subsidiary of CTS 
Corporation, an Indiana corporation ("CTS"). Following consummation of the 
Offer, Purchaser intends to effect the Merger as described below. Unless the 
context otherwise requires, all references to Shares include the associated 
Rights, and all references to the Rights include the benefits that may enure 
to holders of the Rights pursuant to the Rights Agreement, dated January 30, 
1986, as amended, between the Company and First National Bank of Boston, as 
Rights Agent, including the right to receive any payment due upon redemption 
of the Rights. 

THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00 
MIDNIGHT, NEW YORK CITY TIME, ON FRIDAY, JUNE 13, 1997, UNLESS THE OFFER IS 
EXTENDED. 

The Offer is conditioned upon, among other things, (i) there being validly 
tendered and not withdrawn prior to the Expiration Date that number of Shares 
which constitutes at least 25% of the Shares outstanding on the date of 
purchase (the "Minimum Share Condition"), (ii) any applicable waiting period 
under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, 
having expired or been terminated prior to the expiration of the Offer, (iii) 
the receipt of an opinion as to certain tax consequences of the Merger, (iv) 
the absence of certain litigation, orders or other legal matters, (v) the 
representations and warranties of the Company in the Merger Agreement being 
materially true and correct as of the Expiration Date and the covenants of 
the Company in the Merger Agreement having been materially performed or 
complied with, (vi) the absence of any material adverse change, or any 
development that is reasonably likely to result in a material adverse change, 
in the business, financial condition or results of operations of the Company 
and its subsidiaries, taken as a whole, (vii) the Merger Agreement not having 
been terminated in accordance with its terms, (viii) no person having 
acquired beneficial ownership of Shares in excess of certain specified 
percentages, and (ix) certain other conditions contained in the Offer To 
Purchase. 

THE BOARD OF DIRECTORS OF THE COMPANY HAS DETERMINED THAT THE OFFER AND THE 
MERGER ARE FAIR TO AND IN THE BEST INTERESTS OF THE COMPANY AND THE 
SHAREHOLDERS, HAS APPROVED THE MERGER AGREEMENT AND THE TRANSACTIONS 
CONTEMPLATED THEREBY, INCLUDING THE OFFER, AND RECOMMENDS THAT SHAREHOLDERS 
WHO WISH TO RECEIVE CASH FOR THEIR SHARES ACCEPT THE OFFER AND TENDER THEIR 
SHARES PURSUANT TO THE OFFER. 

The Offer is being made pursuant to an Agreement and Plan of Merger, dated as 
of May 9, 1997 (the "Merger Agreement"), among CTS, Purchaser and the 
Company. The Merger Agreement provides, among other things, for the 
commencement of the Offer by Purchaser and further provides that, after the 
purchase of Shares pursuant to the Offer, subject to the satisfaction or 
waiver of certain conditions including approval of certain matters by the 
Company's and CTS' shareholders, the Company will be merged with and into 
Purchaser (the "Merger"), with Purchaser surviving the Merger as a wholly 
owned subsidiary of CTS. In the Merger, subject to certain exceptions, each 
Share issued and outstanding immediately prior to the effective time of the 
Merger (the "Effective Time") will be converted at the Effective Time into 
the right to receive 0.88 (the "Exchange Ratio") fully paid and nonassessable 
shares of CTS Common Stock (the "CTS Shares"). In connection with the Merger, 
CTS declared a split in the form of a 1:1 stock dividend (the "Stock Split") 
to be effective as of immediately following the Effective Time. If the Stock 
Split is so effective, the Exchange Ratio will be 1.76 CTS Shares for each 
Share. 

Upon the terms and subject to the conditions of the Offer, if Shares 
are validly tendered prior to the Expiration Date and not properly withdrawn, 
Purchaser will accept for payment only 49.9% of the then-outstanding Shares, 
on a pro rata basis, with adjustments to avoid purchases of fractional 
Shares, based upon the number of Shares validly tendered prior to the 
Expiration Date and not properly withdrawn. Because of the difficulty of 
determining precisely the number of Shares validly tendered and not 
withdrawn, if proration is required, Purchaser would not expect to be able to 
announce the final results of proration or pay for Shares until at least five 
New York Stock Exchange trading days after the Expiration Date. Preliminary 
results of proration will be announced by press release as promptly as 
practicable after the Expiration Date. Shareholders may obtain such 
preliminary information from the Information Agent and may also be able to 
obtain such preliminary information from their brokers. For purposes of the 
Offer, Purchaser will be deemed to have accepted for payment, and thereby 
purchased, Shares validly tendered and not properly withdrawn if, as and when 
Purchaser gives oral or written notice to the Depositary of Purchaser's 
acceptance of such Shares for payment. Payment for Shares accepted pursuant 
to the Offer will be made by deposit of the purchase price therefor with the 
Depositary, which will act as agent for tendering Shareholders for the 
purpose of receiving payments from Purchaser and transmitting payments to 
such tendering Shareholders. If, for any reason, acceptance for payment of 
any Shares tendered pursuant to the Offer is delayed, or Purchaser is unable 
to accept for payment Shares tendered pursuant to the Offer, then, without 
prejudice to Purchaser's rights the Depositary may, nevertheless, on behalf 
of Purchaser, retain the tendered Shares, and such Shares may not be 
withdrawn, except to the extent that the tendering Stockholders are entitled 
to withdrawal rights as described in "The Offer -- Withdrawal Rights" in the 
Offer To Purchase and as otherwise required by Rule 14e-1(c) under the 
Securities Exchange Act of 1934, as amended (the "Exchange Act"). Under no 

<PAGE>

circumstances will interest on the purchase price for Shares be paid by 
Purchaser, regardless of any delay in making such payment. Upon the deposit 
of funds with the Depositary for the purpose of making payments to tendering 
Shareholders, Purchaser's obligation to make such payment will be satisfied 
and tendering Shareholders must thereafter look solely to the Depositary for 
payment of amounts owed to them by reason of the acceptance for payment of 
Shares pursuant to the Offer. In all cases, payment for Shares purchased 
pursuant to the Offer will be made only after timely receipt by the 
Depositary of (i) the certificates evidencing such Shares (the "Share 
Certificates") or timely confirmation of a book-entry transfer of such 
Shares, if such procedure is available, into the Depositary's account at The 
Depository Trust Company or the Philadelphia Depository Trust Company 
pursuant to the procedures set forth in "The Offer -- Procedures for Tendering 
Shares" in the Offer To Purchase, (ii) the Letter of Transmittal, properly 
completed and duly executed, or, in the case of a book-entry transfer, an 
Agent's Message, and (iii) any other documents required by the Letter of 
Transmittal.

The Purchaser expressly reserves the right, in its discretion, subject to the 
terms of Merger Agreement, at any time and from time to time, to extend for 
any reason the period of time during which the Offer is open by giving oral 
or written notice of such extension to the Depositary and by making a public 
announcement of such extension. During any such extension, all Shares 
previously tendered and not withdrawn will remain subject to the Offer, 
subject to the rights of a tendering Shareholder to withdraw any tendered 
Shares.

The term "Expiration Date" means 12:00 Midnight, New York City time, on 
Friday, June 13, 1997, unless and until Purchaser, in accordance with the 
terms of the Offer and Merger Agreement, shall have extended the period of 
time during which the Offer is open. If any of the conditions of the Offer 
has not been satisfied on or prior to the Expiration Date, the Merger 
Agreement requires Purchaser to extend the Offer for an aggregate of 20 
additional business days to permit the condition to be satisfied; Purchaser 
may further extend the Offer in such circumstances for up to an additional 20 
business days. 

Tenders of Shares made pursuant to the Offer may be withdrawn at any time 
prior to the Expiration Date. Thereafter, such tenders are irrevocable, 
except that they may be withdrawn at any time after July 14, 1997 unless 
theretofore accepted for payment as provided in the Offer To Purchase. To be 
effective, a written, telegraphic or facsimile transmission notice of 
withdrawal must be timely received by the Depositary at one of its addresses 
set forth in the Offer To Purchase. Any such notice of withdrawal must 
specify the name of the person who tendered the Shares to be withdrawn, the 
number of Shares to be withdrawn and the name of the registered holders, if 
different from the person who tendered such Shares. If Share Certificates 
evidencing shares to be withdrawn have been delivered or otherwise identified 
to the Depositary then, prior to the physical release of such Share 
Certificates, the serial numbers shown on such Share Certificates must be 
submitted to the Depositary and the signature(s) on the notice of withdrawal 
must be guaranteed by an Eligible Institution, unless such Shares have been 
tendered for the account of an Eligible Institution. If Shares have been 
tendered pursuant to the procedure for book-entry transfer as set forth in 
"The Offer -- Procedures for Tendering Shares" in the Offer To Purchase, any 
notice of withdrawal must also specify the name and number of the account at 
a Book-Entry Transfer Facility to be credited with the withdrawn Shares. Any 
Shares properly withdrawn will thereafter be deemed not to have been validly 
tendered for purposes of the Offer. However, withdrawn Shares may be 
retendered at any time prior to the Expiration Date by following the 
procedures described in "The Offer -- Procedures for Tendering Shares" in the 
Offer To Purchase. All questions as to the validity, form, eligibility 
(including time of receipt) and acceptance for payment of any tendered Shares 
pursuant to any of the procedures described above will be determined by 
Purchaser in its sole discretion, whose determination will be final and 
binding on all parties. 

If the Purchaser extends the Offer, is delayed in its acceptance for payment 
of Shares or is unable to accept Shares for payment pursuant to the Offer for 
any reason, then, without prejudice to Purchaser's rights under the Offer, 
the Depositary may, nevertheless, on behalf of the Purchaser, retain tendered 
Shares, and such Shares may not be withdrawn except to the extent that 
tendering Shareholders are entitled to withdrawal rights as described in "The 
Offer -- Withdrawal Rights" in the Offer To Purchase. Any such delay will be 
by an extension of the Offer to the extent required by law.

The information required to be disclosed by Rule 14d-6(e)(1)(vii) under the 
Exchange Act is contained in the Offer To Purchase and is incorporated herein 
by reference.

The Company has provided the Purchaser with the Company's shareholder list 
and security position listings for the purpose of disseminating the Offer to 
the Shareholders and is mailing its Schedule 14D 9 simultaneously with the 
Offer To Purchase. The Offer To Purchase and the related Letter of 
Transmittal will be mailed to record holders of Shares and will be furnished 
to brokers, banks and similar persons whose names, or the names of whose 
nominees, appear on the stockholder list or, if applicable, who are listed as 
participants in a clearing agency's security position listing for subsequent 
transmittal to beneficial owners of Shares. 

THE OFFER TO PURCHASE AND THE LETTER OF TRANSMITTAL CONTAIN IMPORTANT 
INFORMATION WHICH SHOULD BE READ CAREFULLY BEFORE ANY DECISION IS MADE WITH 
RESPECT TO THE OFFER.

Questions and requests for assistance, and requests for copies of the Offer 
To Purchase, the Letter of Transmittal and other tender offer materials, may 
be directed to the Information Agent or the Dealer Manager at their 
respective addresses and telephone numbers set forth below. Shareholders may 
also contact brokers, dealers, commercial banks and trust companies for 
additional copies of the Offer To Purchase, the Letter of Transmittal or 
other tender offer materials. Purchaser will pay all charges and expenses of 
J.P. Morgan Securities Inc., as the Dealer Manager, The First National Bank 
of Boston, as the Depositary, and MacKenzie Partners, Inc., as the 
Information Agent, in connection with the Offer. No fees or commissions will 
be paid to brokers, dealers or other persons (other than the Information 
Agent and the Dealer Manager) for soliciting tenders of Shares pursuant to 
the Offer. 

The Information Agent for the Offer is:

[MacKenzie Logo] 

156 Fifth Avenue 
New York, New York 10010 
(212) 029-5500 (call collect) 
or 
CALL TOLL FREE (800) 322-2885 

The Dealer Manager for the Offer is: 

J.P. MORGAN & CO. 

60 Wall Street 
Mail Stop 2860 
New York, New York 10260 

(212) 648-3251 (call collect) 
(800) 600-3799 (toll free) 

May 16, 1997



<PAGE>

                                                              EXHIBIT 99(C)(2)



                             EMPLOYMENT AGREEMENT

            EMPLOYMENT AGREEMENT (this "Agreement") made and entered into as of
the 9th day of May, 1997, by and among CTS Corporation, an Indiana corporation
(the "Company"), and Joseph P. Walker (the "Executive").

            WHEREAS, the Company, a wholly owned subsidiary of the Company
("Merger Sub") and Dynamics Corporation of America, a New York corporation
("DCA"), have entered into an Agreement and Plan of Merger (the "Merger
Agreement"), dated as of May __, 1997, pursuant to which, among other things,
DCA will be merged with and into Merger Sub as of the "Effective Time," as
defined in the Merger Agreement;

            WHEREAS, the Executive is currently serving as Chairman, President
and Chief Executive Officer of the Company, and the Board of Directors of the
Company ("Board of Directors") desires to secure the continued employment of the
Executive in accordance herewith;

            WHEREAS, the Company and the Executive have entered into an
employment agreement (the "Employment Agreement"), effective as of June 24,
1994, and a severance agreement (the "Severance Agreement"), effective as of
April 11, 1997;

            WHEREAS, the Executive is willing to commit himself to be employed
by the Company on the terms and conditions herein set forth and in lieu of the
terms and conditions of the Employment Agreement; and

            WHEREAS, the parties desire to enter into this Agreement as of the
Effective Time, setting forth the terms and conditions for the employment
relationship of the Executive with the Company;

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

      1.  Operation of Agreement; Employment and Term.

            (a) This Agreement shall be effective and binding immediately upon
its execution.

            (b) Employment. The Company agrees to employ the Executive, and the
Executive agrees to be employed by the Company, in accordance with the terms and
provisions of this Agreement.
<PAGE>

            (c) Term. The term of this Agreement (the "Term") shall commence on
the date (the "Effective Date") on which the Effective Time occurs and shall
continue until the fifth (5th) anniversary of the Effective Date.

      2.  Duties and Powers of Executive.

            (a) Position. For the period during which the Executive provides
services to the Company (the "Employment Period"), the Executive shall serve in
such office and have such authority, duties and responsibilities as specified in
Exhibit A hereto. During the Employment Period, and excluding any periods of
vacation and sick leave to which the Executive is entitled, the Executive shall
devote substantially all of his attention and time during normal business hours
to the business and affairs of the Company and shall use his reasonable best
efforts to carry out his responsibilities faithfully and efficiently. It shall
not be considered a violation of the foregoing for the Executive to serve on
corporate, industry, civic or charitable boards or committees, as long as such
activities do not materially interfere with the performance of his
responsibilities with the Company in accordance with this Agreement.

            (b) Board Membership. The Board of Directors shall propose the
Executive for reelection to such Board throughout the Term, and shall continue
the Executive as a member of the Board throughout the Term. The sole remedy for
breach of this provision shall be the remedy set forth in Section 5(c) of this
Agreement.

            (c) Location. The Executive's services shall be performed primarily
at the Company's current office in Elkhart, Indiana, and in no event shall the
Executive be required to perform services at a location more than 25 miles from
the Company's current office, in each case, except for such reasonable travel
obligations as are substantially consistent with the Executive's present travel
obligations. Throughout the Employment Period, the Executive shall be provided
with appropriate office space and secretarial services commensurate with his
title and position.

      3.  Compensation.

            The Executive shall receive the following compensation for his
services hereunder to the Company:

            (a) Salary. During the Employment Period, the Executive's monthly
base salary ("Base Salary") shall be $41,667, payable in accordance with the
Company's general payroll practices as in effect from time to time and subject
to annual review by the Board of Directors for increase (but not decrease) each
year during the Employment Period.


                                     - 2 -
<PAGE>

            (b) Incentive Compensation. During the Employment Period, the
Executive shall be eligible to participate in the Company's short-term and
long-term incentive compensation plans, including equity-based compensation
plans, on a basis no less favorable than that of other senior executives of the
Company.

            (c) Split-Dollar Policy. The Company shall (i) during the Employment
Period, continue to pay the annual premium, at the same annual rate and in the
same month as paid by the Company in 1997, on the individual "split dollar" life
insurance policy issued with respect to the Executive ("Policy"), and (ii)
notwithstanding the assignment of the Policy to the Company as collateral
heretofore executed by the Executive ("Collateral Assignment"), not take any
action to reduce the annual premium, borrow against the cash surrender value of
the Policy or endanger in any way any benefit available to the Executive and
shall not be entitled to be repaid to the extent of its interest in the Policy
until the earlier of the death of the insured under the Policy or the surrender
of the Policy by the Executive.

            (d) Other Benefits. During the Employment Period, the Executive
shall be eligible to participate in all other savings, retirement, welfare
(including without limitation medical, dental, hospitalization and life
insurance) and fringe benefit plans, practices, policies and programs on a basis
no less favorable to the Executive than in effect on the date hereof. During the
Employment Period, the Company shall make available to the Executive, at its
cost and expense, an automobile on a basis substantially similar to that in
effect on the date hereof.

      4. Expenses. The Company shall reimburse the Executive for all reasonable
expenses, including those for travel and entertainment, properly incurred by him
in the performance of his duties hereunder in accordance with policies
established from time to time by the Board of Directors.

      5. Termination of Employment.

            (a) Death; Disability. The Employment Period shall terminate
automatically upon the Executive's death or Disability during such period, in
which case the Executive shall be entitled to the payments and benefits set
forth in Section 6(a) of this Agreement. For purposes of this Agreement,
"Disability" shall be deemed to occur if, as a result of the Executive's
incapacity due to physical or mental illness, the Executive shall have been
absent from the full-time performance of his duties with the Company for a
period of six (6) consecutive months, the Company shall have given the Executive
a Notice of Termination (as defined in paragraph (e) of this Section 5) for
Disability and, within thirty (30) days after such Notice of Termination is
given, the Executive shall not have returned to the full-time performance of his
duties.


                                     - 3 -
<PAGE>

            (b) By the Company for Cause. The Company may terminate the
Executive's employment hereunder for Cause, in which case the Executive shall be
entitled to the payments and benefits set forth in Section 6(b) of this
Agreement. For purposes of this Agreement, "Cause" shall mean (i) the willful
and continued failure by the Executive to substantially perform the Executive's
duties with the Company (other than any such failure resulting from the
Executive's incapacity due to physical or mental illness or any such actual or
anticipated failure after the issuance of a Notice of Termination for Good
Reason by the Executive pursuant to paragraph (f) of this Section 5) after a
written demand for substantial performance is delivered to the Executive by the
Board of Directors, which demand specifically identifies the manner in which
such Board believes that the Executive has not substantially performed the
Executive's duties, or (ii) the willful engaging by the Executive in conduct
which is demonstrably and materially injurious to the Company or its
subsidiaries, monetarily or otherwise. For purposes of clauses (i) and (ii) of
this definition, (x) no act, or failure to act, on the Executive's part shall be
deemed "willful" unless done, or omitted to be done, by the Executive not in
good faith and without reasonable belief that the Executive's act, or failure to
act, was in the best interest of the Company and (y) in the event of a dispute
concerning the application of this provision, no claim by the Company that Cause
exists shall be given effect unless the Company establishes to the Board of
Directors by clear and convincing evidence that Cause exists.

            (c) By the Executive for Good Reason. The Executive may terminate
his employment during the Employment Period for Good Reason (unless Cause
exists), in which case the Executive shall be entitled to the payments and
benefits set forth in Section 6(a) of this Agreement. For purposes of this
Agreement, "Good Reason" shall mean (i) the occurrence, without the written
consent of the Executive, of an event constituting a material breach of this
Agreement (including without limitation a breach of Section 2(b) or 2(c) of this
Agreement) by the Company that has not been fully cured within ten (10) days
after written notice thereof has been given by the Executive to the Company, or
(ii) any reason, at the Executive's discretion, during the three-month period
following the occurrence of a "Change in Control," as defined in paragraph (d)
of this Section 5.

            (d) Definition of Change in Control. 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) the attainment by any individual, entity or group (within the
      meaning of Section 13(d)(3) or 14(d)(2) of the Exchange Act) (a "Person")
      of aggregate beneficial ownership (within the meaning of Rule 13d-3
      promulgated under the Exchange Act) of 25% or more of the combined voting
      power of the then outstanding Voting Stock of the Company (including, for
      this purpose, any Voting Stock of


                                     - 4 -
<PAGE>

      the Company acquired prior to the Term); provided, however, that for
      purposes of this Section 5(d), the following will not be deemed to result
      in a Change in Control: (A) any acquisition directly from the Company that
      is approved by the Incumbent Board (as defined below), (B) any acquisition
      by the Company and any change in the percentage ownership of Voting Stock
      of the Company that results from such acquisition, (C) any acquisition by
      any employee benefit plan (or related trust) sponsored or maintained by
      the Company or any subsidiary, (D) any acquisition by any Person pursuant
      to a Business Combination that complies with clauses (I), (II) and (III)
      of Section 5(d)(iii), (E) the beneficial ownership by DCA of Voting Stock
      of the Company equal to less than 25% of the combined voting power then
      outstanding Voting Stock of the Company ("Exempt DCA Percentage"), or (F)
      the beneficial ownership by The Gabelli Group, Inc., GAMCO Investors, Inc.
      and Gabelli Funds, Inc. (collectively, "Gabelli") of Voting Stock of the
      Company equal to less than 25% of the combined voting power of the then
      outstanding Voting Stock of the Company ("Exempt Gabelli Percentage"); and
      provided further that, for purposes of computing the Exempt DCA Percentage
      and the Exempt Gabelli Percentage, the denominator, but not the numerator,
      will include all outstanding shares of stock of the Company that, by
      operation of law, are not entitled to vote; or

            (ii) individuals who, as of the date hereof, constitute the Board of
      Directors (the "Incumbent Board") cease for any reason to constitute at
      least a majority of the Board of Directors; provided, however, that any
      individual becoming a Director subsequent to the date hereof whose
      election, or nomination for election by the Company's shareholders, was
      approved by a vote of at least a majority of the Directors then comprising
      the Incumbent Board (either by a specific vote or by approval of the proxy
      statement of the Company in which such person is named as a nominee for
      director, without objection to such nomination) will be deemed to have
      been a member of the Incumbent Board, but excluding, for this purpose, any
      such individual becoming a Director as a result of an actual or threatened
      election contest (within the meaning of Rule 14a-11 of the Exchange Act)
      with respect to the election or removal of Directors or other actual or
      threatened solicitation of proxies or consents by or on behalf of a Person
      other than the Board of Directors (collectively, an "Election Contest");

            (iii) consummation of (A) a reorganization, merger or consolidation
      of the Company, (B) a sale or other disposition of all or substantially
      all of the assets of the Company, or (C) a sale or other disposition of
      all or substantially all of the assets ("Automotive Group Assets") of the
      Company used in its Automotive Strategic Business Unit (such
      reorganization, merger, consolidation or sale


                                     - 5 -
<PAGE>

      each, a "Business Combination"), unless, in each case, immediately
      following such Business Combination, (I) all or substantially all of the
      individuals and entities who were the beneficial owners of Voting Stock of
      the Company immediately prior to such Business Combination beneficially
      own, directly or indirectly, more than a majority of the then outstanding
      shares of common stock and the combined voting power of the then
      outstanding Voting Stock of the Company entitled to vote generally in the
      election of Directors of the entity resulting from such Business
      Combination (including, without limitation, an entity which as a result of
      such transaction owns the Company, all or substantially all of the
      Company's assets either directly or through one or more subsidiaries or
      the Automotive Group Assets), (II) no Person (other than the Company, such
      entity resulting from such Business Combination, or any employee benefit
      plan (or related trust) sponsored or maintained by the Company, any
      Subsidiary or such entity resulting from such Business Combination, or DCA
      or Gabelli to the extent of the Exempt DCA Percentage or Exempt Gabelli
      Percentage, respectively) beneficially owns, directly or indirectly, 15%
      or more of the then outstanding shares of Voting Stock of the entity
      resulting from such Business Combination, and (III) at least a majority of
      the members of the Board of Directors of the entity resulting from such
      Business Combination were members of the Incumbent Board at the time of
      the execution of the initial agreement or of the action of the Board of
      Directors providing for such Business Combination; provided, however, that
      if the Business Combination is initiated by the Company and the Chief
      Executive Officer of the Company immediately prior to such Business
      Combination constitutes the Chief Executive Officer of the entity
      resulting from the Business Combination immediately following the Business
      Combination and throughout the twelve-month period thereafter, this
      Section 5(d)(iii) will be applied without regard to clauses (I) and (II);

            (iv) approval by the shareholders of the Company of a complete
      liquidation or dissolution of the Company, except pursuant to a Business
      Combination that complies with clauses (I), (II) and (III) of Section
      5(d)(iii);

            (v) if and so long as DCA beneficially owns 15% or more of the
      combined voting power of the outstanding Voting Stock of the Company, (A)
      the attainment by any Person of beneficial ownership of 20% or more of the
      combined voting power of the then outstanding Voting Stock of DCA ("DCA
      Voting Stock") (other than as the result of an acquisition of DCA Voting
      Stock by (x) DCA (and any change in the percentage ownership of DCA Voting
      Stock that results from such acquisition), (y) any employee benefit plan
      (or related trust) sponsored or maintained by DCA or any subsidiary of
      DCA, or (z) the Company or any Subsidiary that


                                     - 6 -
<PAGE>

      is approved by the Incumbent Board), or (B) individuals who, as of the
      date hereof, constitute the Board of Directors of DCA (the "Incumbent DCA
      Board") cease for any reason to constitute at least a majority of the
      Board of Directors of DCA; provided, however, that any individual becoming
      a Director subsequent to the date hereof whose election, or nomination for
      election by DCA's shareholders, was approved by a vote of at least a
      majority of the Directors of DCA then comprising the Incumbent DCA Board
      (either by a specific vote or by approval of the proxy statement of DCA in
      which such person is named as a nominee for director, without objection to
      such nomination) will be deemed to have been a member of the Incumbent DCA
      Board, but excluding, for this purpose, any such individual whose initial
      assumption of office occurs as a result of an actual or threatened
      Election Contest; or

            (vi) in addition to any of the other events or circumstances set
      forth in this Section 5(d), a "Change in Control" will be deemed to have
      occurred for all purposes thereof in the event of a Board Shift. For this
      purpose, (A) a "Board Shift" will be deemed to have occurred if 50% or
      more of the members of the Board of Directors, or of any entity resulting
      from a Business Combination, are persons who (I) are employees of any
      beneficial owner of 20% or more of the Voting Stock (a "20+% Holder") or
      (II) were nominated for election, or voted for, by any such 20+% Holder
      unless such nomination or vote was approved by a majority of the Unrelated
      Directors, and (B) "Unrelated Directors" means Gerald H. Frieling, Jr.,
      Lawrence J. Ciancia and Joseph P. Walker or any successors thereto
      nominated with the approval of such of the foregoing (or their successors
      nominated as aforesaid) as may remain members of the Board of Directors,
      or of any entity resulting from a Business Combination, at the time of
      such nomination.

            (e) By the Company Other Than for Cause or by the Executive without
Good Reason. Notwithstanding any other provision of this Agreement, the Company
may terminate the Executive's employment other than for Cause, in which case the
Executive shall be entitled to the payments and benefits set forth in Section
6(a) of this Agreement, and the Executive may terminate his employment other
than for Good Reason (as defined in paragraph (c) of this Section 5), in which
case the Executive shall be entitled to the payments and benefits set forth in
Section 6(b) of this Agreement.

            (f) Notice of Termination. Any termination by the Company or by the
Executive shall be communicated by Notice of Termination to the other party
hereto given in accordance with Section 10(b) of this Agreement. For purposes of
this Agreement, a "Notice of Termination" means a written notice which (i)
indicates the specific termination provision in this Agreement relied upon, (ii)
to the extent applicable, sets forth in


                                     - 7 -
<PAGE>

reasonable detail the facts and circumstances claimed to provide a basis for
termination of the Executive's employment under the provision so indicated, and
(iii) if the Date of Termination (as defined in paragraph (f) of this Section 5)
is other than the date of receipt of such notice, specifies the termination date
(which date shall be not more than thirty (30) days after the giving of such
notice). The failure by the Executive or the Company to set forth in the Notice
of Termination any fact or circumstance which contributes to a showing of Good
Reason shall not waive any right of the Executive hereunder or preclude the
Executive from asserting such fact or circumstance in enforcing the Executive's
rights hereunder. Further, a Notice of Termination for Cause is required to
include a copy of a resolution duly adopted by the affirmative vote of not less
than three-quarters (3/4) of the membership of the Board of Directors (excluding
the Executive if the Executive is then a member of such Board) at a meeting of
such Board which was called and held for the purpose of considering such
termination (after reasonable notice to the Executive and an opportunity for the
Executive, together with the Executive's counsel, to be heard before such Board)
finding that, in the good faith opinion of such Board, the Executive was guilty
of conduct set forth in clause (i) or (ii) of the definition of Cause herein,
and specifying the particulars thereof in detail.

            (g) Date of Termination. "Date of Termination" means (i) if the
Executive's employment is terminated by the Executive for Good Reason, the date
of receipt of the Notice of Termination or any later date specified therein, as
the case may be, (ii) if the Executive's employment is terminated by the
Company, the date on which the Company notifies the Executive of such
termination (except in the event of a termination for Cause), (iii) if the
Executive's employment is terminated for Disability, thirty (30) days after
Notice of Termination is given (provided that the Executive shall not have
returned to the full-time performance of his duties during such thirty (30) day
period), and (iv) if the Executive's employment is terminated by reason of
death, the date of death.

      6. Obligations of the Company Upon Termination.

            (a) Termination for Good Reason or Other Than for Cause. If the
Executive shall terminate his employment for Good Reason or the Company shall
terminate the Executive's employment for any reason other than Cause, including
Disability, or if such employment shall be terminated by reason of death, the
Executive shall be entitled to the following benefits:

            (i) the Company shall pay to the Executive a lump sum amount in cash
      equal to the sum of (A) the Executive's Base Salary through the Date of
      Termination to the extent not theretofore paid, (B) any compensation
      previously deferred by the Executive (together with any accrued interest
      or earnings


                                     - 8 -
<PAGE>

      thereon) and any accrued vacation pay and (C) any other amounts due the
      Executive as of the Date of Termination, in each case to the extent not
      theretofore paid. (The amounts specified in clauses (A), (B) and (C) shall
      be hereinafter referred to as the "Accrued Obligation"). The amounts
      specified in this Section 6(a)(i) shall be paid within thirty (30) days
      after the Date of Termination; and

            (ii) in lieu of any severance benefit otherwise payable to the
      Executive,

      (A) if the Executive shall terminate his employment for Good Reason or the
      Company shall terminate the Executive's employment for any reason other
      than Disability or Cause, the Company shall pay the Executive a lump sum
      amount, in cash, within five days following the Date of Termination, equal
      to three and one-third (3 1/3) times the sum of (1) twelve (12) times Base
      Salary, and (2) $355,300, which is equal to the largest aggregate amount
      earned by the Executive as stock and cash bonuses for any of the five
      fiscal years preceding that in which the Effective Date occurs; and

      (B) if the termination of the Executive's employment is by reason of death
      or Disability, or, if the Executive so elects, in lieu of the payments
      described in paragraph (A) of this Section 6(ii), the Company shall
      continue to pay the Executive (or, in the event of his death, his legal
      representative) for the remainder of the Term (1) the Base Salary as in
      effect immediately prior to the Date of Termination, in accordance with
      the Company's general payroll practices, and (2) for each full
      twelve-month period remaining in the Term, the highest annual aggregate
      cash and stock bonuses earned by the Executive pursuant to any annual
      bonus or incentive plan maintained by the Company in respect of any of the
      five fiscal years of the Company ending immediately prior to the fiscal
      year in which occurs the Date of Termination, payable in accordance with
      the Company's practices with respect to the payment of bonuses.

            (b) Termination for Other Reason. If the Executive's employment
shall be terminated by the Company for Cause or by the Executive other than for
Good Reason, death or Disability, the Company shall not have any further
obligations to the Executive under this Agreement other than the obligation to
pay to the Executive the Accrued Obligation and any postemployment benefits to
which the Executive is entitled under the terms of the Company's employee
benefit plans.

            (c) Arbitration. Any dispute or controversy arising under or in
connection with this Agreement shall be settled exclusively by arbitration,
conducted before a panel of three arbitrators sitting in Elkhart, Indiana, in
accordance with the


                                     - 9 -
<PAGE>

rules of the American Arbitration Association then in effect. Judgment may be
entered on the arbitrator's award in any court having jurisdiction.

            (d) Legal Fees. The Company shall also pay to the Executive all
reasonable legal fees and expenses incurred by the Executive in disputing in
good faith any issue hereunder relating to the termination of the Executive's
employment, in seeking in good faith to obtain or enforce any benefit or right
provided by this Agreement or in connection with any tax audit or proceeding to
the extent attributable to the application of section 4999 of the Code to any
payment or benefit provided hereunder. Such payments shall be made within five
(5) business days after delivery of the Executive's written requests for payment
accompanied with such evidence of fees and expenses incurred as is reasonable.

            (e) Gross-Up. If any of the payments or benefits received or to be
received by the Executive (whether pursuant to the terms of this Agreement or
any other plan, arrangement or agreement with the Company, any Person (as
defined in Section 5(d) of this Agreement) whose actions result in a Change in
Control or any Person affiliated with the Company or such Person) (such payments
or benefits, excluding the Gross-Up Payment (as defined below), being
hereinafter referred to as the "Total Payments") will be subject to the excise
tax imposed under section 4999 of the Code ("Excise Tax"), the Company shall pay
to the Executive an additional amount (the "Gross-Up Payment") such that the net
amount retained by the Executive, after deduction of any Excise Tax on the Total
Payments and any federal, state and local income and employment taxes and Excise
Tax upon the Gross-Up Payment, shall be equal to the Total Payments.

            For purposes of determining whether any of the Total Payments will
be subject to the Excise Tax and the amount of such Excise Tax, (i) all of the
Total Payments shall be treated as "parachute payments" (within the meaning of
section 280G(b)(2) of the Code) unless, in the opinion of tax counsel ("Tax
Counsel") reasonably acceptable to the Executive and selected by the accounting
firm which was, immediately prior to the date hereof, the Company's independent
auditor, or in the event of a Change in Control, was, immediately prior to the
Change in Control, the Company's independent auditor (the "Auditor"), such
payments or benefits (in whole or in part) do not constitute parachute payments,
including by reason of section 280G(b)(4)(A) of the Code, (ii) all "excess
parachute payments" within the meaning of section 280G(b)(l) of the Code shall
be treated as subject to the Excise Tax unless, in the opinion of Tax Counsel,
such excess parachute payments (in whole or in part) represent reasonable
compensation for services actually rendered (within the meaning of section
280G(b)(4)(B) of the Code) in excess of the "Base Amount," as defined in section
280G(b)(3) of the Code, allocable to such reasonable compensation, or are
otherwise not subject to the Excise Tax, and (iii) the value of any noncash
benefits or


                                     - 10 -
<PAGE>

any deferred payment or benefit shall be determined by the Auditor in accordance
with the principles of sections 280G(d)(3) and (4) of the Code. For purposes of
determining the amount of the Gross-Up Payment, the Executive shall be deemed to
pay federal income tax at the highest marginal rate of federal income taxation
in the calendar year in which the Gross-Up Payment is to be made and state and
local income taxes at the highest marginal rate of taxation in the state and
locality of the Executive's residence on the Date of Termination (or if there is
no Date of Termination, then the date on which the Gross-Up Payment is
calculated for purposes of this Section 6.2), net of the maximum reduction in
federal income taxes which could be obtained from deduction of such state and
local taxes.

            In the event that the Excise Tax is finally determined to be less
than the amount taken into account hereunder in calculating the Gross-Up
Payment, the Executive shall repay to the Company within five (5) business days
following the time that the amount of such reduction in the Excise Tax is
finally determined, the portion of the Gross-Up Payment attributable to such
reduction (plus that portion of the Gross-Up Payment attributable to the Excise
Tax and federal, state and local income and employment taxes imposed on the
Gross-Up Payment being repaid by the Executive, to the extent that such
repayment results in a reduction in the Excise Tax and a dollar-for-dollar
reduction in the Executive's taxable income and wages for purposes of federal,
state and local income and employment taxes, plus interest on the amount of such
repayment at 120% of the rate provided in section 1274(b)(2)(B) of the Code. In
the event that the Excise Tax is determined to exceed the amount taken into
account hereunder in calculating the Gross-Up Payment (including by reason of
any payment the existence or amount of which cannot be determined at the time of
the Gross-Up Payment), the Company shall make an additional Gross-Up Payment in
respect of such excess (plus any interest, penalties or additions payable by the
Executive with respect to such excess) within five (5) business days following
the time that the amount of such excess is finally determined. The Executive,
the Company shall each reasonably cooperate with the other in connection with
any administrative or judicial proceedings concerning the existence or amount of
liability for Excise Tax with respect to the Total Payments.

            (f) Nonduplication of Benefits. Notwithstanding any of the
foregoing, the benefits payable under this Section 6 shall not be duplicative
of, and shall be reduced without further action by, any corresponding benefits
paid or provided to the Executive under the Severance Agreement.

      7. Full Settlement; Mitigation.

            The Company's obligation to make the payments provided for in this
Agreement and otherwise to perform their obligations hereunder shall not be
subject to any set-off, counterclaim, recoupment, defense or other claim, right
or action which the


                                     - 11 -
<PAGE>

Company may have against the Executive or others. In no event shall the
Executive be obligated to seek other employment or take any other action by way
of mitigation of the amounts (including amounts for damages for breach) payable
to the Executive under any of the provisions of this Agreement and such amounts
shall not be reduced whether or not the Executive obtains other employment.

      8. Confidential Information.

            The Executive shall hold in a fiduciary capacity for the benefit of
the Company all secret, confidential information, knowledge or data relating to
the Company or any of its affiliated companies and their respective businesses
which shall have been obtained by the Executive during his employment by the
Company or any of its affiliated companies and that shall not have been or now
or hereafter have become public knowledge (other than by acts by the Executive
or representatives of the Executive in violation of this Agreement). The
Executive shall not, without the prior written consent of the Company or as may
otherwise be required by law or legal process, communicate or divulge any such
information, knowledge or data to anyone other than the Company and those
designated by it.

      9. Successors.

            (a) Assignment by Executive. This Agreement is personal to the
Executive and, without the prior written consent of the Company, shall not be
assignable by the Executive otherwise than by will or the laws of descent and
distribution. This Agreement shall inure to the benefit of and be enforceable by
the Executive's legal representatives.

            (b) Successors and Assigns. This Agreement shall inure to the
benefit of and be binding upon the Company and its successors and assigns.

            (c) Assumption. The Company shall require any successor (whether
direct or indirect, by purchase, merger, consolidation or otherwise) to all or
substantially all of the business and/or assets thereof to expressly assume and
agree to perform this Agreement in the same manner and to the same extent that
the Company would be required to perform this Agreement if no such succession
had taken place. As used in this Agreement, the Company shall mean the Company
as hereinbefore defined and any successor to its businesses and/or assets as
aforesaid that assumes and agrees to perform this Agreement by operation of law,
or otherwise.

      10. Miscellaneous.

            (a) Governing Law. This Agreement shall be governed by and construed
in accordance with the laws of Indiana, without reference to its principles of
conflict of laws. The captions of


                                     - 12 -
<PAGE>

this Agreement are not part of the provisions hereof and shall have no force or
effect. This Agreement may not be amended, modified, repealed, waived, extended
or discharged except by an agreement in writing signed by the party against whom
enforcement of such amendment, modification, repeal, waiver, extension or
discharge is sought. No person, other than pursuant to a resolution of its Board
of Directors (or a committee thereof), as the case may be, shall have authority
on behalf of the Company to agree to amend, modify, repeal, waive, extend or
discharge any provision of this Agreement or take any other action in respect
thereto.

            (b) Notices. All notices and other communications hereunder shall be
in writing and shall be given by hand delivery to the other party or by
registered or certified mail, return-receipt requested, postage prepaid,
addressed, in the case of the Company, to the Company's headquarters and, in the
case of the Executive, to the address on the signature page of this Agreement
or, in either case, to such other address as any party shall have subsequently
furnished to the other parties in writing. Notice and communications shall be
effective when actually received by the addressee.

            (c) Severability. The invalidity or unenforceability of any
provision of this Agreement shall not affect the validity or enforceability of
any other provision of this Agreement.

            (d) Taxes. The Company may withhold from any amounts due and payable
under this Agreement such federal, state or local taxes as shall be required to
be withheld pursuant to any applicable law or regulation.

            (e) No Waiver. Any party's failure to insist upon strict compliance
with any provision hereof or the failure to assert any right such party may have
hereunder, including, without limitation, the right of the Executive to
terminate employment for Good Reason pursuant to Section 5(c) of this Agreement,
shall not be deemed to be a waiver of such provision or right or any other
provision or right of this Agreement.

            (f) Entire Agreement; Survival. This Agreement entered into as of
the date hereof among the Company and the Executive contains the entire
agreement of the Executive and the Company or its predecessors or subsidiaries
with respect to the subject matter of the Agreement, and all promises,
representations, understandings, arrangements and prior agreements, other than
the Severance Agreement, are merged into, and superseded by, the Agreement. Any
provision hereof which by


                                     - 13 -
<PAGE>

its terms applies in whole or part after a termination of the Executive's
employment hereunder shall survive such termination.

            IN WITNESS WHEREOF, the Executive has executed this Agreement and,
pursuant to due authorization from its Board of Directors, the Company has
caused this Agreement to be executed, as of the day and year first above
written.

                                        CTS CORPORATION


                                        By:
                                           -------------------------------------
                                           Name:  Stanley J. Aris
                                           Title: Vice President Finance
                                                  and Chief Financial Officer


                                        ----------------------------------------
                                        JOSEPH P. WALKER
                                        Address: 56179 Dana Drive
                                                 Bristol, Indiana 46507


                                     - 14 -
<PAGE>

                                    EXHIBIT A

                                Joseph P. Walker

            Mr. Walker will be the Chairman, President and Chief Executive
Officer of the Company and will have such duties, responsibilities and authority
as are customarily incident to the principal executive officer of a publicly
traded corporation. Mr. Walker will report solely to the Board of Directors. In
addition, Mr. Walker will be a member with the President of DCA of the Company's
Office of the Chairman. As such, Mr. Walker and the President of DCA will
consult on a regular basis as to strategic matters affecting the Company and
DCA. Mr. Walker will, however, have all powers and authorities of the Chairman,
President and Chief Executive Officer of the Company.


                                   - A-1 -



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