PEERLESS MANUFACTURING CO
8-A12G, 1997-05-22
GENERAL INDUSTRIAL MACHINERY & EQUIPMENT, NEC
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<PAGE>   1
                                   FORM 8 A

                      SECURITIES AND EXCHANGE COMMISSION
                           WASHINGTON, D.C.  20549

                          -------------------------

               FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES
                    PURSUANT TO SECTION 12(b) or (g) OF THE
                        SECURITIES EXCHANGE ACT OF 1934

                               PEERLESS MFG. CO.
             (Exact name of registrant as specified in its charter)


        TEXAS                                            75-0724417
- --------------------------------------------------------------------------------
(State of incorporation or organization)   I.R.S. Employer Identification No.


2819 WALNUT HILL LANE,  DALLAS TEXAS                                    75229
P.O. BOX 540667,  DALLAS TEXAS                                          75354
- --------------------------------------------------------------------------------
(Address of principal executive offices)                              (Zip Code)

   If this form relates to the               If this form relates to the 
   registration of a class of                registration of a class of debt
   debt securities and is effective          securities and is to become
   upon filing pursuant to General           effective simultaneously with the
   Instruction A(c)(1) please check          effectiveness of a concurrent 
   the following box. [ ]                    registration statement under the 
                                             Securities Act of 1933 pursuant to
                                             General Instruction A(c)(2) please
                                             check the following box.   [ ]

SECURITIES TO be REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT:

<TABLE>
<CAPTION>
       
                                 Name of each exchange on
       Title of each class       which each class is to
       to be so registered       be registered
       -------------------       ------------------------
       <S>                       <C>
       NONE
</TABLE>

SECURITIES TO BE REGISTERED PURSUANT TO SECTION 12(g) OF THE ACT:


                          COMMON STOCK PURCHASE RIGHTS
- --------------------------------------------------------------------------------
                                (Title of Class)
<PAGE>   2
Item 1.       Description of Registrant's Securities
              to be Registered

       On May 21, 1997, the Board of Directors of Peerless Mfg. Co. (the
"Company") declared a dividend of one common share purchase right (a "Right")
for each outstanding share of common stock, $1.00 par value (the "Common
Shares"), of the Company.  The dividend will be made to the shareholders of
record at the close of business on June 2, 1997 (the "Record Date").  Each
Right entitles the registered holder to purchase from the Company one Common
Share at a price of $30.00 (the "Purchase Price"), subject to adjustment.  The
description and terms of the Rights are set forth in a Rights Agreement dated
as of May 22, 1997 (the "Rights Agreement") between the Company and ChaseMellon
Shareholder Services, L.L.C. as Rights Agent (the "Rights Agent").

       Until the earlier to occur of (i) ten Business Days following a public
announcement that a person or group of affiliated or associated persons has
acquired, or obtained the right to acquire, beneficial ownership of 20% or more
of the outstanding Common Shares (an "Acquiring Person") or (ii) ten Business
Days following the commencement of, or announcement of an intention to make, a
tender offer or exchange offer, the consummation of which would result in the
beneficial ownership by a person or group of 20% or more of such outstanding
Common Shares (the earlier of such dates being the "Distribution Date"), the
Rights will be evidenced, with respect to any of the Common Share certificates
outstanding as of the Record Date, by such Common Share certificate with a copy
of this Summary of Rights attached to the certificate.

       The Rights Agreement provides that, until the Distribution Date, the
Rights will be transferred with and only with the Common Shares.  Until the
Distribution Date (or earlier redemption or expiration of the Rights), new
Common Share certificates issued after the Record Date upon transfer or new
issuance of Common Shares will contain a notation incorporating the Rights
Agreement by reference.  Until the Distribution Date (or earlier redemption or
expiration of the Rights), the surrender for transfer of any certificates for
Common Shares outstanding even without such notation or a copy of this Summary
of Rights being attached to such Certificate, will also constitute the transfer
of the Rights associated with the Common Shares represented by such
certificate.  As soon as practicable following the Distribution Date, separate
certificates evidencing the Rights (the "Right Certificates") will be mailed to
holders of record of the Common Shares as of the close of business on the
Distribution Date and such separate Right Certificates alone will evidence the
Rights.

       The Rights are not exercisable until the Distribution Date.  The Rights
will expire on May 22, 2007 (the "Final Expiration Date"), unless the Final
Expiration Date is extended or unless the Rights are earlier redeemed by the
Company, in each case, as described below.

       The Purchase Price payable and the number of Common Shares or other
securities or property issuable upon exercise of the Rights are subject to
adjustment from time to time to prevent dilution (i) in the event of a stock
dividend on, or a subdivision, combination, or reclassification of, the Common
Shares, (ii) upon the grant to holders of the Common Shares of certain rights
or warrants to subscribe for or purchase Common Shares at a price or securities





                                       2
<PAGE>   3
convertible into Common Shares with a conversion price less than the then
current market price of the Common Shares; or (iii) upon the distribution to
holders of the Common Shares of evidences of indebtedness, cash (other than
regular cash dividends out of the Company's earnings or retained earnings), or
assets.

       In the event that any person or entity becomes an Acquiring Person (the
beneficial owner of 20% or more of the Common Shares), provision will be made
so that each Right, other than Rights beneficially owned by the Acquiring
Person (which will then be void), will entitle the holder to purchase that
number of Common Shares having a market value of two times the then current
Purchase Price of the Right.

       The Rights Agreement excludes from the definition of Acquiring Person,
Persons who certify to the Company that they inadvertently acquired in excess
of 19.9% of the outstanding Common Shares and thereafter divest such excess
Common Shares or who acquire 20% or more of the Common Shares in a Permitted
Transaction.  A "Permitted Transaction" is a stock acquisition or tender or
exchange offer pursuant to a definitive agreement which would result in a
person beneficially owning 20% or more of the Common Shares and which has been
approved by the Board of Directors (including a majority of the Directors not
in association with an Acquiring Person) prior to the execution of the
agreement or the public announcement of the offer.

       In the event that the Company is acquired in a merger or other business
combination transaction, or 50% or more of its consolidated assets or earning
power are sold, proper provisions will be made so that each Right will entitle
the holder to purchase that number of shares of common stock of the acquiring
company that at the time of such transaction will have a market value of two
times the then current Purchase Price of the Right.

       No adjustment in the Purchase Price will be required until cumulative
adjustments require an adjustment of at least 1% in the Purchase Price.  With
certain exceptions, no fractional Common Shares will be issued and, in lieu of
such fractional shares, an adjustment in cash will be made based on the market
price of the Common Shares on the last trading day prior to the date of
exercise.

       After a person becomes an Acquiring Person, the Company's Board of
Directors may exchange the Rights, other than those Rights owned by the
Acquiring Person, in whole or in part, at an exchange ratio of one Common Share
per Right, subject to adjustment.  However, the Board of Directors cannot
conduct an exchange at any time after any Person, together with its Affiliates
and Associates, becomes the Beneficial Owner of 50% or more of the outstanding
Common Stock.

       At any time within ten Business Days following the date that any Person
becomes an Acquiring Person, a Requisite Majority may redeem the Rights in
whole, but not in part, at a price of $0.01 per Right (the "Redemption Price").
In addition, the Board of Directors may extend or reduce the period during
which the Rights are redeemable, so long as the Rights are redeemable at the
time of such extension or reduction.  Immediately upon any redemption of the





                                       3
<PAGE>   4
Rights, the right to exercise the Rights will terminate and the only right of
the holders of Rights will be to receive the Redemption Price.

       The terms of the Rights may be amended by the Board of Directors of the
Company without the consent of the holders of the Rights, including an
amendment to extend the Final Expiration Date, except that from and after the
date any Person becomes an Acquiring Person, no such amendment may adversely
affect the economic interests of the holders of the Rights.

       Until a Right is exercised, the holder of the Right, as such, will have
no rights as a shareholder of the Company, including, without limitation, the
right to vote or to receive dividends.

Item 2.       Exhibits

              1.     Shareholder Rights Agreement dated May 22, 1997 among the
                     Company and ChaseMellon Shareholder Services, L.L.C., as
                     rights agent.


                                   SIGNATURES

              Pursuant to the requirements of Section 12 of the Securities
Exchange Act of 1934, the registrant has duly caused this registration
statement to be signed on its behalf by the undersigned, thereunto duly
authorized.



                                         PEERLESS MFG. CO.                      
                                                                               
                                                                               
                                         By:  /s/  Sherrill Stone               
                                             -----------------------------------
                                             Sherrill Stone, President and Chief
                                             Executive Officer                  
                                    


Dated:  May 22, 1997





                                       4
<PAGE>   5
                              INDEX TO EXHIBITS



<TABLE>
<CAPTION>
EXHIBIT
NUMBER                   DESCRIPTION
- -------                  -----------
<S>           <C>
   1          -  Rights Agreement

</TABLE>



<PAGE>   1
                                                                       EXHIBIT 1

- --------------------------------------------------------------------------------



                                RIGHTS AGREEMENT


                                    between



                               PEERLESS MFG. CO.

                                      and

                   CHASEMELLON SHAREHOLDER SERVICES, L.L.C.,


                                as Rights Agent

                                     dated

                                  May 22, 1997


- --------------------------------------------------------------------------------
<PAGE>   2
                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
Section                                                                     Page
- -------                                                                     ----
<S>    <C>                                                                   <C>
1.     Certain Definitions  . . . . . . . . . . . . . . . . . . . . . . . . .  1

2.     Appointment of Rights Agent  . . . . . . . . . . . . . . . . . . . . .  5

3.     Issuance of Rights Certificates  . . . . . . . . . . . . . . . . . . .  5

4.     Form of Rights Certificates  . . . . . . . . . . . . . . . . . . . . .  7

5.     Countersignature and Registration  . . . . . . . . . . . . . . . . . .  7

6.     Transfer, Split Up, Combination, and Exchange of
       Rights Certificates; Mutilated, Destroyed, Lost, or
       Stolen Rights Certificates   . . . . . . . . . . . . . . . . . . . . .  8

7.     Exercise of Rights; Purchase Price;
       Expiration Date of Rights  . . . . . . . . . . . . . . . . . . . . . .  8

8.     Cancellation and Destruction of Rights Certificates  . . . . . . . . . 10

9.     Reservation and Availability of
       Capital Stock  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

10.    Common Stock Record Date   . . . . . . . . . . . . . . . . . . . . . . 12

11.    Adjustment of Purchase Price, Number, and Kind of Shares or
       Number of Rights   . . . . . . . . . . . . . . . . . . . . . . . . . . 12

12.    Certificate of Adjusted Purchase Price or Number of Shares   . . . . . 19

13.    Consolidation, Merger, or Sale or Transfer of Assets or
       Earning Power  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

14.    Fractional Rights and Fractional Shares  . . . . . . . . . . . . . . . 22

15.    Rights of Action   . . . . . . . . . . . . . . . . . . . . . . . . . . 23

16.    Agreement of Rights Holders  . . . . . . . . . . . . . . . . . . . . . 23

17.    Rights Certificate Holder Not Deemed a Stockholder   . . . . . . . . . 24

18.    Concerning the Rights Agent  . . . . . . . . . . . . . . . . . . . . . 24
</TABLE>





                                       i
<PAGE>   3
<TABLE>
<S>    <C>                                                                    <C>
19.    Merger or Consolidation or Change of Name of Rights Agent  . . . . . . 25

20.    Duties of Rights Agent   . . . . . . . . . . . . . . . . . . . . . . . 25

21.    Change of Rights Agent   . . . . . . . . . . . . . . . . . . . . . . . 27

22.    Issuance of New Rights Certificates  . . . . . . . . . . . . . . . . . 28

23.    Redemption and Termination   . . . . . . . . . . . . . . . . . . . . . 29

24.    Exchange   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

25.    Notice of Certain Events   . . . . . . . . . . . . . . . . . . . . . . 30

26.    Notices  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

27.    Supplements and Amendments   . . . . . . . . . . . . . . . . . . . . . 32

28.    Successors   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

29.    Determinations and Actions by the Board of Directors, Etc.   . . . . . 32

30.    Benefits of this Agreement   . . . . . . . . . . . . . . . . . . . . . 33

31.    Severability   . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

32.    Governing Law  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

33.    Counterparts   . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

34.    Interpretation   . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
</TABLE>


Exhibit A     --     Form of Rights Certificate

Exhibit B     --     Form of Summary of Rights





                                       ii
<PAGE>   4

                                RIGHTS AGREEMENT


       RIGHTS AGREEMENT, dated as of May 22, 1997 (the "Agreement"), between
Peerless Mfg. Co., a Texas corporation (the "Company"), and ChaseMellon
Shareholder Services, L.L.C., (the "Rights Agent").

                                   BACKGROUND

       On May 21, 1997 (the "Rights Dividend Declaration Date"), the board of
directors of the Company (the "Board of Directors") authorized and declared a
dividend distribution of one Right for each share of Common Stock outstanding
at the Close of Business on June 2, 1997 (the "Record Date"), and has
authorized the issuance of one Right (as such number may be adjusted pursuant
to the provisions of SECTION 11(P)) for each share of Common Stock of the
Company issued between the Record Date (whether originally issued or delivered
from the Company's treasury) and the Distribution Date, each Right initially
representing the right to purchase one share of Common Stock of the Company
upon the terms and subject to the conditions set forth below (the "Rights");

       NOW, THEREFORE, in consideration of the premises and the mutual
agreements set forth in this Agreement, the parties hereby agree as follows:

       Section 1.    Certain Definitions.  For purposes of this Agreement, the
following terms have the meanings indicated:

              (a)    "Act" means the Securities Act of 1933, as amended.

              (b)    "Acquiring Person" means any Person that, together with
       all Affiliates and Associates of such Person, is the Beneficial Owner of
       20% or more of the shares of Common Stock then outstanding, but does not
       include (i) the Company; (ii) any Subsidiary of the Company; (iii) any
       employee benefit plan of the Company or of any Subsidiary of the
       Company; (iv) any Person organized, appointed, or established by the
       Company for or pursuant to the terms of any such plan; (v) any person
       that becomes an Acquiring Person pursuant to a Permitted Transaction;
       (vi) any Person that has become an Acquiring Person inadvertently and,
       within five Business Days of being requested by the Company to advise it
       regarding the same, certifies to the Company that such Person acquired
       beneficial ownership of shares of Common Stock in excess of 19.9%
       inadvertently or without knowledge of the terms of the Rights and such
       certification is accepted as true by a Requisite Majority acting in good
       faith, and such Person divests as promptly as practicable a sufficient
       amount of Common Stock so that such Person no longer holds in excess of
       19.9% of the Common Stock then outstanding; and (vii) any Person that
       becomes an Acquiring Person solely as a result of a reduction in the
       number of outstanding shares of Common Stock in a transaction that is
       approved by a Requisite





                                       1
<PAGE>   5
       Majority, provided that such Person will immediately be an Acquiring
       Person in the event such Person thereafter acquires any additional
       shares of Common Stock (other than as a result of a stock split or stock
       dividend) while the Beneficial Owner of 20% or more of the shares of
       Common Stock then outstanding.

              (c)    An "Affiliate" of, or a person "affiliated" with, a
       specified Person, is a Person that directly, or indirectly through one
       or more intermediaries, controls, or is controlled by, or is under
       common control with, the Person specified.

              (d)    The term "Associate" used to indicate a relationship with
       any person, means: (1) any Person (other than the registrant or a
       majority-owned subsidiary of the registrant) of which such Person is an
       officer or partner or is, directly or indirectly, the Beneficial Owner
       of 10 percent or more of any class of equity securities, (2) any trust
       or other estate in which such Person has a substantial beneficial
       interest or as to which such Person serves as trustee or in a similar
       fiduciary capacity, and (3) any relative or spouse of such Person, or
       any relative of such spouse, who has the same home as such Person or who
       is a director or officer of such Person or any of its parents or
       subsidiaries.

              (e)    A Person will be deemed the "Beneficial Owner" of, and
       will be deemed to "beneficially own," any securities that:

                     (i)    such Person or any of such Person's Affiliates or
              Associates, directly or indirectly, has the right to acquire
              (whether such right is exercisable immediately or only after the
              passage of time or upon the occurrence of certain events)
              pursuant to any agreement, arrangement, or understanding (whether
              or not in writing) or upon the exercise of conversion rights,
              exchange rights, rights, warrants or options, or otherwise;
              provided, however, that a Person will not be deemed the
              "Beneficial Owner" of, or to "beneficially own," (A) securities
              tendered pursuant to a tender or exchange offer made by such
              Person or any of such Person's Affiliates or Associates until
              such tendered securities are accepted for purchase or exchange,
              (B) securities issuable upon exercise of Rights at any time prior
              to the occurrence of a Distribution Date, or (C) securities
              issuable upon exercise of Rights, which were acquired by such
              Person or any of such Person's Affiliates or Associates prior to
              the Distribution Date or pursuant to SECTION 3(A) or SECTION 22
              (the "Original Rights") or pursuant to SECTION 11(I) in
              connection with an adjustment made with respect to any Original
              Rights;

                     (ii)   such Person or any of such Person's Affiliates or
              Associates, directly or indirectly, has the right to vote or
              dispose of or has "beneficial ownership" of (as determined
              pursuant to Rule 13d-3 of the General Rules and Regulations under
              the Exchange Act), including pursuant to any agreement,
              arrangement, or understanding, whether or not in writing;
              provided, however, that a Person will not be deemed the
              "Beneficial Owner" of, or to "beneficially own," any security
              under this SECTION 1(e)(ii) as a result of an agreement,
              arrangement, or





                                       2
<PAGE>   6
              understanding to vote such security if such agreement,
              arrangement, or understanding: (1) arises solely from a revocable
              proxy given in response to a public proxy or consent solicitation
              made pursuant to, and in accordance with, the applicable
              provisions of the General Rules and Regulations under the
              Exchange Act, and (2) is not also then reportable by such Person
              on Schedule 13D under the Exchange Act (or any comparable or
              successor report); or

                     (iii)  are beneficially owned, directly or indirectly, by
              any other Person (or any Affiliate or Associate of such Person)
              with which such Person (or any of such Person's Affiliates or
              Associates) has any agreement, arrangement, or understanding
              (whether or not in writing), for the purpose of acquiring,
              holding, voting (except pursuant to a revocable proxy as
              described in the proviso in SECTION 1(E)(II)), or disposing of
              any voting securities of the Company;

       provided, however, that nothing in this SECTION 1(E) will cause a Person
       engaged in business as an underwriter of securities to be the
       "Beneficial Owner" of, or to "beneficially own," any securities acquired
       through such Person's participation in good faith in a bona fide firm
       commitment underwriting until the expiration of forty days after the
       date of such acquisition.

              (f)    "Business Day" means any day other than a Saturday,
       Sunday, or a day on which banking institutions in the State of Texas are
       authorized or obligated by law or executive order to close.

              (g)    "Close of Business" on any given date will mean 5:00 p.m.,
       Dallas, Texas time, on such date; provided, however, that if such date
       is not a Business Day it will mean 5:00 p.m., Dallas, Texas time, on the
       next succeeding Business Day.

              (h)    "Common Stock" means the common stock, par value $1.00 per
       share, of the Company, except that "Common Stock" when used with
       reference to any Person other than the Company will mean the capital
       stock of such Person with the greatest voting power, or the equity
       securities or other equity interest having power to control or direct
       the management, of such Person.

              (i)    "Continuing Director" means (i) any member of the Board of
       Directors of the Company who (i) is not an Acquiring Person or an
       Affiliate or Associate of an Acquiring Person and (ii) was either a
       member of the Board of Directors of the Company on the date of this
       Agreement or who subsequently became a director of the Company and whose
       initial election or initial nomination for election was approved by a
       majority of the Continuing Directors then on the Board of Directors of
       the Company.

              (j)    "Distribution Date" means the Close of Business on the
       tenth Business Day after the earlier to occur of (i) the Stock
       Acquisition Date or (ii) the date any Person commences or publicly
       announces an intention to commence a tender offer or exchange offer for
       the Common Stock that would result in, upon the consummation of such
       offer, the Person making such offer (together with all of its Affiliates
       and Associates) being the





                                       3
<PAGE>   7
       Beneficial Owner of 20% or more of the Common Stock then outstanding
       (including any such date that is after the date of this Agreement and
       prior to the issuance of the Rights); provided, however, that if the
       tender offer or exchange offer that gave rise to the Distribution Date
       is cancelled, terminated or otherwise withdrawn within ten Business Days
       of its announcement, such offer shall be deemed never to have been made
       and no Distribution Date shall occur with respect thereto.

              (k)    "Exchange Act" means the Securities Exchange Act of 1934,
       as amended.

              (l)    "Permitted Transaction" means a stock acquisition or a
       tender or exchange offer pursuant to a definitive agreement by which a
       Person (who is not at the time an Acquiring Person) would become an
       Acquiring Person and which has been approved by a Requisite Majority
       prior to the execution of the definitive agreement providing for the
       acquisition or the public announcement of the offer, as the case may be.

              (m)    "NASDAQ" means the National Association of Securities
       Dealers, Inc. Automated Quotation System.

              (n)    "Person" means any individual, firm, corporation, trust,
       partnership, limited liability company or other public or private
       entity.

              (o)    "Redemption Price" with respect to each Right means $.01,
       as such amount may from time to time be adjusted in accordance with
       SECTION 11.  All references herein to the Redemption Price means the
       Redemption Price as in effect at the time in question.

              (p)    "Requisite Majority" means, at any time, the affirmative
       vote of a majority of the Continuing Directors then in office.

              (q)    "Rights Shares" means the shares of Common Stock (and/or
       other securities) issuable or issued upon the exercise of the Rights.

              (r)    "Section 11(a)(ii) Event" means any event described in
       SECTION 11(A)(II).

              (s)    "Section 13 Event" means any event described in SECTION
       13(A)(I), (II), OR (III).

              (t)    "Stock Acquisition Date" means the first date of public
       announcement (which, for purposes of this definition, will include,
       without limitation, a report filed pursuant to Section  13(d) under the
       Exchange Act) by the Company or an Acquiring Person that an Acquiring
       Person has become an Acquiring Person.

              (u)    "Subsidiary" means, with reference to any Person, any
       entity of which an amount of voting securities sufficient to elect at
       least a majority of the directors or similar





                                       4
<PAGE>   8
       Persons of such entity is beneficially owned, directly or indirectly, by
       such Person, or otherwise controlled by such Person.

              (v)    "Trading Day" means a day on which the principal national
       securities exchange or quotation system on which the shares of Common
       Stock are listed or admitted to trading is open for the transaction of
       business or, if the shares of Common Stock are not listed or admitted to
       trading on any national securities exchange or quotation system, a
       Business Day.

              (w)    "Triggering Event" means any Section 11(a)(ii) Event or
       any Section 13 Event.

       Section 2.    Appointment of Rights Agent.  The Company hereby appoints
the Rights Agent to act as agent for the Company in accordance with the terms
and conditions of this Agreement, and the Rights Agent hereby accepts such
appointment.  The Company may from time to time appoint such Co-Rights Agents
as it may deem necessary or desirable.

       Section 3.    Issuance of Rights Certificates.

              (a)    Prior to the Distribution Date, (i) the Rights will be
       evidenced (subject to the provisions of this SECTION 3(b)) by the
       certificates for the Common Stock registered in the names of the holders
       of the Common Stock (which certificates for Common Stock will be deemed
       also to be certificates for Rights) and not by separate certificates,
       and (ii) the Rights will be transferable only in connection with the
       transfer of the underlying shares of Common Stock (including a transfer
       to the Company).   As soon as practicable after the Distribution Date,
       the Rights Agent will send by first-class, insured, postage prepaid
       mail, to each record holder of the Common Stock as of the Distribution
       Date, at the address of such holder shown on the records of the Company,
       one or more rights certificates, in substantially the form of EXHIBIT A
       (the "Rights Certificates"), evidencing one Right for each share of
       Common Stock so held, subject to adjustment as provided in this
       Agreement.   In the event that an adjustment in the number of Rights per
       share of Common Stock has been made pursuant to SECTION 11(p), at the
       time of distribution of the Rights Certificates, the Company will make
       the necessary and appropriate rounding adjustments (in accordance with
       SECTION 14(a)) so that Rights Certificates representing only whole
       numbers of Rights are distributed and cash is paid in lieu of any
       fractional Rights.   As of and after the Distribution Date, the Rights
       will be evidenced solely by such Rights Certificates.

              (b)    As soon as practicable following the Record Date, the
       Company will send a copy of a Summary of Rights, in substantially the
       form of EXHIBIT B, by first-class, postage prepaid mail, to each record
       holder of the Common Stock as of the Close of Business on the Record
       Date, at the address of such holder shown on the records of the Company.
       With respect to certificates for the Common Stock outstanding as of the





                                       5
<PAGE>   9
       Record Date, until the Distribution Date, the Rights will be evidenced
       by such certificates for the Common Stock and the registered holders of
       the Common Stock will also be the registered holders of the associated
       Rights.  Until the earlier of the Distribution Date or the Expiration
       Date (as defined in SECTION 7), the transfer of any certificates
       representing shares of Common Stock in respect of which Rights have been
       issued will also constitute the transfer of the Rights associated with
       such shares of Common Stock.

              (c)    Rights will be issued in respect of all shares of Common
       Stock that are issued (whether originally issued or from the Company's
       treasury) after the Record Date but prior to the earlier of the
       Distribution Date or the Expiration Date.  Certificates representing
       such shares of Common Stock will also be deemed to be certificates for
       Rights, and will bear the following legend:

              THIS CERTIFICATE ALSO EVIDENCES AND ENTITLES THE HOLDER TO
              CERTAIN RIGHTS AS SET FORTH IN THE RIGHTS AGREEMENT BETWEEN
              PEERLESS MFG. CO. (THE "COMPANY") AND CHASEMELLON SHAREHOLDER
              SERVICES, L.L.C. (THE "RIGHTS AGENT") DATED AS OF MAY 22, 1997
              (AS AMENDED FROM TIME TO TIME, THE "RIGHTS AGREEMENT"), THE TERMS
              OF WHICH ARE HEREBY INCORPORATED IN THIS CERTIFICATE BY REFERENCE
              AND A COPY OF WHICH IS ON FILE AT THE PRINCIPAL OFFICES OF THE
              COMPANY.  UNDER CERTAIN CIRCUMSTANCES, AS SET FORTH IN THE RIGHTS
              AGREEMENT, SUCH RIGHTS WILL BE EVIDENCED BY SEPARATE CERTIFICATES
              AND WILL NO LONGER BE EVIDENCED BY THIS CERTIFICATE.   THE
              COMPANY WILL MAIL TO THE HOLDER OF THIS CERTIFICATE A COPY OF THE
              RIGHTS AGREEMENT AS IN EFFECT ON THE DATE OF MAILING, WITHOUT
              CHARGE, PROMPTLY AFTER RECEIPT OF A WRITTEN REQUEST.  UNDER
              CERTAIN CIRCUMSTANCES SET FORTH IN THE RIGHTS AGREEMENT, RIGHTS
              BENEFICIALLY OWNED BY ANY PERSON WHO IS, WAS, OR BECOMES AN
              ACQUIRING PERSON AND ANY AFFILIATE OR ASSOCIATE OF AN ACQUIRING
              PERSON (AS SUCH TERMS ARE DEFINED IN THE RIGHTS AGREEMENT),
              WHETHER CURRENTLY HELD BY OR ON BEHALF OF SUCH PERSONS OR BY ANY
              SUBSEQUENT HOLDERS, MAY BECOME NULL AND VOID.

              With respect to the shares of Common Stock issued after the
       Record Date, until the earlier of (i) the Distribution Date or (ii) the
       Expiration Date, the Rights associated with the Common Stock represented
       by such certificates will be evidenced by such certificates alone and
       registered holders of Common Stock will also be the registered holders
       of the associated Rights, and the transfer of any of such certificates
       will also constitute the transfer of the Rights associated with the
       Common Stock represented by such certificates.





                                       6
<PAGE>   10
       Section 4.    Form of Rights Certificates.

                     The Rights Certificates (and the forms of election to
       purchase and of assignment to be printed on the reverse of the rights
       certificates) will each be substantially in the form set forth in
       EXHIBIT A and may have such marks of identification or designation and
       such legends, summaries, or endorsements as the Company may deem
       appropriate and as are not inconsistent with the provisions of this
       Agreement, or as may be required to comply with any applicable law or
       with any rule or regulation made pursuant thereto or with any rule or
       regulation of any stock exchange or quotation system on which the Rights
       may from time to time be listed, or to conform to usage.   Subject to
       the provisions of SECTION 11 and SECTION 22, the Rights Certificates,
       whenever distributed, will be dated as of the Record Date and on their
       face will entitle the holders of such Rights Certificates to purchase
       such number of shares of Common Stock as is set forth in such Rights
       Certificates at the price set forth in such Rights Certificates (such
       exercise price per share, the "Purchase Price"), but the amount and type
       of securities purchasable upon the exercise of each Right and the
       Purchase Price will be subject to adjustment as provided in this
       Agreement.

       Section 5.    Countersignature and Registration.

              (a)    The Rights Certificates will be executed on behalf of the
       Company by its Chairman of the Board, its Chief Executive Officer, its
       Chief Operating Officer, its President, or any Vice President, either
       manually or by facsimile signature, will have affixed thereto the
       Company's seal or a facsimile thereof, and will be attested by the
       Secretary or an Assistant Secretary of the Company, either manually or
       by facsimile signature.   The Rights Certificates will be countersigned
       by the Rights Agent, either manually or by facsimile signature and will
       not be valid for any purpose unless so countersigned.   In case any
       officer of the Company who has signed any of the Rights Certificates
       ceases to be such officer of the Company before countersignature by the
       Rights Agent and issuance and delivery by the Company, such Rights
       Certificates, nevertheless, may be countersigned by the Rights Agent and
       issued and delivered by the Company with the same force and effect as
       though the Person who signed such Rights Certificates had not ceased to
       be such officer of the Company, and any Rights Certificate may be signed
       on behalf of the Company by any Person who, at the actual date of the
       execution of such Rights Certificate, is a proper officer of the Company
       to sign such Rights Certificate, although at the date of the execution
       of this Rights Agreement any such Person was not such an officer.

              (b)    Following the Distribution Date, the Rights Agent will
       keep or cause to be kept, at its principal office or offices designated
       as the appropriate place for surrender of Rights Certificates upon
       exercise or transfer, books for registration and transfer of the Rights
       Certificates issued under this Agreement.   Such books will show the
       names and addresses of the respective holders of the Rights
       Certificates, the number of Rights





                                       7
<PAGE>   11
       evidenced on the face of the Rights Certificates, and the date of each
       of the Rights Certificates.

       Section 6.    Transfer, Split Up, Combination, and Exchange of Rights
Certificates; Mutilated, Destroyed, Lost, or Stolen Rights Certificates.

              (a)    Subject to the provisions of SECTION 7(E) and SECTION 14,
       at any time after the Distribution Date, and at or prior to the
       Expiration Date, any Rights Certificate or Certificates may be
       transferred, split up, combined, or exchanged for another Rights
       Certificate or Rights Certificates, entitling the registered holder to
       purchase a like number of Rights Shares (or, following a Triggering
       Event, other securities, cash or other assets, as the case may be) as
       the Rights Certificate or Certificates surrendered then entitled such
       holder (or former holder in the case of a transfer) to purchase.   Any
       registered holder desiring to transfer, split up, combine, or exchange
       any Rights Certificate or Rights Certificates will make such request in
       writing delivered to the Rights Agent, and will surrender the Rights
       Certificate or Rights Certificates to be transferred, split up,
       combined, or exchanged at the principal office or offices of the Rights
       Agent designated for such purpose.   Neither the Rights Agent nor the
       Company will be obligated to take any action whatsoever with respect to
       the transfer of any such surrendered Rights Certificate until the
       registered holder has completed and signed the certificate contained in
       the form of assignment on the reverse side of such Rights Certificate
       and has provided such additional evidence of the identity of the
       Beneficial Owner (or former Beneficial Owner) or Affiliates or
       Associates thereof as the Company requests in good faith.   Thereupon,
       the Rights Agent will, subject to SECTION 4, SECTION 7(E) and SECTION
       14, countersign and deliver to the Person entitled thereto a Rights
       Certificate or Rights Certificates, as the case may be, as so requested.
       The Company may require payment of a sum sufficient to cover any tax or
       governmental charge that may be imposed in connection with any transfer,
       split up, combination, or exchange of any Rights Certificate.

              (b)    Upon receipt by the Company and the Rights Agent of
       evidence reasonably satisfactory to them of the loss, theft,
       destruction, or mutilation of a Rights Certificate, and, in case of
       loss, theft, or destruction, of indemnity or security satisfactory to
       them, and reimbursement to the Company and the Rights Agent of all
       reasonable expenses incidental thereto, and upon surrender to the Rights
       Agent and cancellation of the Rights Certificate if mutilated, the
       Company will execute and deliver a new Rights Certificate of like tenor
       to the Rights Agent for countersignature and delivery to the registered
       owner in lieu of the Rights Certificate so lost, stolen, destroyed, or
       mutilated.

       Section 7.    Exercise of Rights; Purchase Price; Expiration Date of
Rights.

              (a)    Subject to SECTION 7(e), the registered holder of any
       Rights Certificate may exercise the Rights evidenced thereby (except as
       otherwise provided in this Agreement including, without limitation, the
       restrictions on exercisability set forth in SECTION 9(c), SECTION
       11(a)(iii), SECTION 23(a) and SECTION 24) in whole or in part at any





                                       8
<PAGE>   12
       time after the Distribution Date upon surrender of the Rights
       Certificate, with the form of election to purchase and the certificate
       on the reverse side of the Rights Certificate duly executed, to the
       Rights Agent at the principal office or offices of the Rights Agent
       designated for such purpose, together with payment of the aggregate
       Purchase Price for each share of Common Stock (or other securities, cash
       or other assets, as the case may be) as to which such surrendered Rights
       are then exercisable, at or prior to the earlier of (i) the Close of
       Business on May 22, 2007, (the "Final Expiration Date"), (ii) the time
       at which the Rights are redeemed as provided in SECTION 23 or (iii) the
       time at which such rights are exchanged as provided in SECTION 24 (the
       earlier of such times, the "Expiration Date")).

              (b)    The Purchase Price (the "Purchase Price") for each share
       of Common Stock pursuant to the exercise of a Right will initially be
       $30.00, subject to adjustment from time to time as provided in SECTION
       11, and SECTION 13(a).  The Purchase Price will be payable in accordance
       with SECTION 7(c).

              (c)    Upon receipt of a Rights Certificate representing
       exercisable Rights, with the form of election to purchase and the
       certificate duly executed, accompanied by payment of the Purchase Price
       for the shares of Common Stock (or other securities, cash or other
       assets, as the case may be) to be purchased and an amount equal to any
       applicable transfer tax, the Rights Agent will, subject to SECTION
       20(k), promptly (i) (A) requisition from any transfer agent of the
       shares of Common Stock (or make available, if the Rights Agent is the
       transfer agent for such shares) certificates for the total number of
       shares of Common Stock to be purchased (the Company hereby irrevocably
       authorizing its transfer agent to comply with all such requests) or (B)
       if the Company has elected to deposit the shares of Common Stock with a
       depository agent, requisition from the depository agent depository
       receipts representing such number of shares of Common Stock as are to be
       purchased (in which case certificates for the shares of Common Stock
       represented by such receipts will be deposited by the transfer agent
       with the depository agent) and the Company will direct the depository
       agent to comply with such request; (ii) requisition from the Company the
       amount of cash, if any, to be paid in lieu of fractional shares in
       accordance with SECTION 14; (iii) after receipt of such certificates or
       depository receipts, cause such certificates or depository receipts to
       be delivered to or upon the order of the registered holder of such
       Rights Certificate, registered in such name or names as may be
       designated by such holder; and (iv) after receipt thereof, deliver such
       cash, if any, to or upon the order of the registered holder of such
       Rights Certificate.  The payment of the Purchase Price (as such amount
       may be reduced pursuant to SECTION 11(a)(III)) will be made in cash or
       by certified bank check or bank draft payable to the order of the
       Company.  In the event that the Company is obligated to issue other
       securities (including Common Stock) of the Company, pay cash, or
       distribute other property pursuant to SECTION 11(a), the Company will
       make all arrangements necessary so that such other securities, cash, or
       other property are available for distribution by the Rights Agent, if
       and when appropriate.  The Company reserves the right to require prior
       to the occurrence of a Triggering Event that, upon any exercise of
       Rights, a number of Rights be exercised so that only whole shares of
       Common Stock would be issued.





                                       9
<PAGE>   13
              (d)    If the registered holder of any Rights Certificate
       exercises less than all the Rights evidenced by such certificate, a new
       Rights Certificate evidencing the unexercised Rights will be issued by
       the Rights Agent and delivered to, or upon the order of, the registered
       holder of such Rights Certificate, registered in such name or names as
       may be designated by such holder, subject to the provisions of SECTION
       14.

              (e)    Notwithstanding anything in this Agreement to the
       contrary, from and after the first occurrence of a Section 11(a)(ii)
       Event, any Rights beneficially owned by any Person referred to in
       clauses (i) through (iii) below will become null and void without any
       further action and no holder of such Rights will have any rights
       whatsoever with respect to such Rights, under any provision of this
       Agreement or otherwise: (i) an Acquiring Person or an Associate or
       Affiliate of an Acquiring Person, (ii) a transferee from an Acquiring
       Person (or from any Associate or Affiliate of an Acquiring Person) that
       becomes a transferee after the Acquiring Person becomes such, or (iii) a
       transferee from an Acquiring Person (or from any such Associate or
       Affiliate of an Acquiring Person) that becomes a transferee prior to or
       concurrently with the Acquiring Person becoming such and receives such
       Rights pursuant to either (A) a transfer (whether or not for
       consideration) from the Acquiring Person to holders of equity interests
       in such Acquiring Person or to any Person with whom the Acquiring Person
       has any continuing agreement, arrangement, or understanding regarding
       the transferred Rights or (B) a transfer that the Board of Directors of
       the Company has determined is part of an agreement, plan, arrangement,
       or understanding that has as a substantial purpose or effect the
       avoidance of this SECTION 7(e).  The Company will use reasonable efforts
       to insure that the provisions of this SECTION 7(e) are complied with,
       but will have no liability under this Agreement to any holder of Rights
       Certificates or other Person as a result of its failure to make any
       determinations with respect to an Acquiring Person, or any of its
       Affiliates, Associates, or transferees.

              (f)    Notwithstanding anything in this Agreement to the
       contrary, neither the Rights Agent nor the Company will be obligated to
       undertake any action with respect to a registered holder upon the
       occurrence of any purported exercise as set forth in this SECTION 7
       unless such registered holder has (i) completed and signed the
       certificate contained in the form of election to purchase set forth on
       the reverse side of the Rights Certificate surrendered for such
       exercise, and (ii) provided such additional evidence of the identity of
       the Beneficial Owner (or former Beneficial Owner) or Affiliates or
       Associates thereof as the Company requests in good faith.

       Section 8.    Cancellation and Destruction of Rights Certificates.  All
Rights Certificates surrendered for the purpose of exercise, transfer, split
up, combination or exchange will, if surrendered to the Company or any of its
agents, be delivered to the Rights Agent for cancellation or in cancelled form,
or, if surrendered to the Rights Agent, will be cancelled by it, and no Rights
Certificates will be issued in lieu thereof except as expressly permitted by
any of the provisions of this Agreement.  The Company will deliver to the
Rights Agent for cancellation and retirement, and the Rights Agent will so
cancel and retire, any other Rights Certificate





                                       10
<PAGE>   14
purchased or acquired by the Company otherwise than upon the exercise thereof.
The Rights Agent will deliver all cancelled Rights Certificates to the Company,
or will, at the written request of the Company, destroy such cancelled Rights
Certificates, and in such case will deliver a certificate of destruction to the
Company.

       Section 9.    Reservation and Availability of Capital Stock.

              (a)    The Company will use its best efforts to reserve and keep
       available out of its authorized and unissued shares of Common Stock
       (and/or or other securities) or its authorized and issued shares of
       Common Stock (and/or or other securities) held in its treasury, the
       number of shares of Common Stock (and/or other securities) that will be
       sufficient to permit the exercise in full of all outstanding Rights.

              (b)    So long as the shares of Common Stock (and, following the
       occurrence of a Triggering Event, other securities) issuable and
       deliverable upon the exercise of the Rights may be listed on any
       national securities exchange or automated quotation system, the Company
       will use its reasonable efforts to cause, from and after such time as
       the Rights become exercisable, all shares reserved for such issuance to
       be listed on such exchange or automated quotation system upon official
       notice of issuance upon such exercise.

              (c)    The Company will use its best efforts to (i) file, as soon
       as practicable following the first occurrence of a Section 11(a)(ii)
       Event on which the consideration to be delivered by the Company upon
       exercise of the Rights has been determined in accordance with SECTION
       11(a), a registration statement under the Act, with respect to the
       securities purchasable upon exercise of the Rights or issued in an
       exchange pursuant to SECTION 24 on an appropriate form, (ii) cause such
       registration statement to become effective as soon as practicable after
       such filing, and (iii) cause such registration statement to remain
       effective (with a prospectus at all times meeting the requirements of
       the Act) until the earlier of (A) the date as of which the Rights are no
       longer exercisable for such securities, and (B) the Expiration Date.
       The Company will also take such action as may be appropriate under, or
       to ensure compliance with, the applicable state securities laws in
       connection with the exercisability of the Rights.   The Company may
       temporarily suspend, for up to 90 days after the date described in
       CLAUSE (i) of this SECTION 9(c), the exercisability of the Rights in
       order to prepare and file such registration statement and permit it to
       become effective.  Upon any such suspension, the Company will issue a
       public announcement stating that the exercisability of the Rights has
       been temporarily suspended, as well as a public announcement at such
       time as the suspension no longer remains in effect.  In addition, if the
       Company determines that a registration statement is required following
       the Distribution Date, the Company may temporarily suspend the
       exercisability of the Rights until such time as a registration statement
       has been declared effective.  Notwithstanding any provision of this
       Agreement to the contrary, the Rights will not be exercisable in any
       jurisdiction if the requisite qualification in such jurisdiction has not
       been obtained, the exercise of such Rights is not permitted under
       applicable law, or a registration statement has not been declared
       effective.





                                       11
<PAGE>   15
              (d)    The Company covenants and agrees that it will take all
       such action as may be necessary to ensure that all shares of Common
       Stock (and/or other securities) delivered upon exercise of Rights will,
       at the time of delivery of the certificates for such shares upon payment
       of the Purchase Price, be duly and validly authorized and issued and
       fully paid and nonassessable.

              (e)    The Company further covenants and agrees that it will pay
       when due and payable any and all federal and state transfer taxes and
       charges that may be payable in respect of the issuance or delivery of
       the Rights Certificates and any Common Stock or other certificates
       issued upon the exercise of Rights.  The Company will not, however, be
       required to pay any transfer tax that may be payable in respect of any
       transfer or delivery of Rights Certificates to a Person other than, or
       the issuance or delivery of Common Stock (or other securities, as the
       case may be) in respect of a name other than that of the registered
       holder of the Rights Certificates or to issue or deliver any Common
       Stock or other certificates in a name other than that of the registered
       holder until such tax has been paid (any such tax being payable by the
       holder of such Rights Certificate at the time of surrender) or until it
       has been established to the Company's satisfaction that no such tax is
       due.

       Section 10.   Common Stock Record Date.   Each Person in whose name any
Rights Share certificate is issued will, for all purposes, be deemed to have
become the record holder of such Rights Shares represented thereby, and such
certificate will be dated, on the date upon which the Rights Certificate
evidencing such Rights was duly surrendered and payment of the Purchase Price
(and all applicable transfer taxes) was made; provided, however, that if the
date of such surrender and payment is a date upon which the Common Stock (other
securities, as the case may be) transfer books of the Company are closed, such
Person will be deemed to have become the record holder of the Rights Shares on,
and such certificate will be dated, the next succeeding Business Day on which
the Common Stock (or other securities, as the case may be) transfer books of
the Company are open.  Prior to the exercise of the Rights evidenced thereby,
the Rights Certificate holders will not be entitled to any stockholder rights
with respect to Rights Shares, including, without limitation, the right to
vote, to receive dividends or other distributions, or to exercise any
preemptive rights, and will not be entitled to receive any notice of any
proceedings of the Company, except as provided in this Agreement.

       Section 11.   Adjustment of Purchase Price, Number and Kind of Shares,
or Number of Rights.  The Purchase Price, the number and kind of shares covered
by each Right and the number of Rights outstanding are subject to adjustment
from time to time as provided in this SECTION 11.

              (a)    (i)    In the event the Company at any time after the date
              of this Agreement (A) declares a dividend on the Common Stock
              payable in shares of Common Stock, (B) subdivides the outstanding
              Common Stock, (C) combines the outstanding Common Stock into a
              smaller number of shares, or (D) issues any shares of its capital
              stock in a reclassification of the Common Stock (including,





                                       12
<PAGE>   16
              without limitation, any such reclassification in connection with
              a consolidation or merger in which the Company is the continuing
              or surviving corporation), except as otherwise provided in this
              SECTION 11(a) and SECTION 7(e), the Purchase Price in effect at
              the time of the record date for such dividend or of the effective
              date of such subdivision, combination or reclassification, and
              the number and kind of shares of Common Stock or capital stock,
              as the case may be, issuable on such date, will be
              proportionately adjusted so that the holder of any Right
              exercised after such time will be entitled to receive, upon
              payment of the Purchase Price then in effect, the aggregate
              number and kind of shares of Common Stock or capital stock, as
              the case may be, that, if such Right had been exercised
              immediately prior to such date and at a time when the Common
              Stock transfer books of the Company were open, such holder would
              have owned upon such exercise and been entitled to receive by
              virtue of such dividend, subdivision, combination, or
              reclassification.  If an event occurs that would require an
              adjustment under both this SECTION 11(a)(i) and SECTION
              11(a)(ii), the adjustment provided for in this SECTION 11(a)(i)
              will be in addition to, and will be made prior to, any adjustment
              required pursuant to SECTION 11(a)(ii).

                     (ii)   In the event that any Person, alone or together
              with its Affiliates and Associates, at any time after the Rights
              Dividend Declaration Date, becomes an Acquiring Person, then,
              proper provision will be made so that each Right holder (except
              as provided in SECTION 7(e)) will thereafter have the right to
              receive, upon exercise of such Right at the then current Purchase
              Price determined in accordance with the terms of this Agreement,
              such number of  Rights Shares equal to the result obtained by (x)
              multiplying the then current Purchase Price by the then number of
              Rights Shares for which a Right is then exercisable and (y)
              dividing that product by 50% of the Current Market Price (defined
              in SECTION 11(d)) per share of Common Stock on the date such
              Person became an Acquiring Person (such number of Rights Shares,
              the "Adjustment Shares").

                     (iii)  In the event that the number of shares of Common
              Stock that are authorized by the Company's articles of
              incorporation but not issued, or issued but not outstanding, are
              not sufficient to permit the exercise in full of the Rights in
              accordance with SECTION 11(a)(II), the Company will, upon the
              exercise of a Right and payment of the applicable Purchase Price,
              (A) determine the value of the Adjustment Shares issuable upon
              the exercise of a Right (the "Current Value"), and (B) with
              respect to each Right (subject to SECTION 7(e)), make adequate
              provision to substitute for the Adjustment Shares (1) cash, (2) a
              reduction in the Purchase Price, (3) other equity securities of
              the Company (including, without limitation, shares, or units of
              shares, of preferred stock), that a Requisite Majority has deemed
              to have essentially the same rights, privileges and preferences
              as shares of Common Stock ("Common Stock Equivalents")), (4) debt
              securities of the Company, (5) other assets, or (6) any
              combination of the foregoing, having an aggregate value equal to
              the Current Value, where such aggregate value has been
              conclusively determined by a Requisite Majority based upon the
              advice of a





                                       13
<PAGE>   17
              nationally recognized investment banking firm selected by a
              Requisite Majority; provided, however, that if the Company has
              not made adequate provision to deliver value pursuant to CLAUSE
              (B) above within 30 days following the first occurrence of a
              Section 11(a)(ii) Event, then the Company will be obligated to
              deliver, upon the surrender for exercise of a Right and without
              requiring payment of the Purchase Price, shares of Common Stock
              (to the extent available) and then, if necessary, cash, which
              shares or cash have an aggregate value equal to the Spread.  The
              term "Spread" means the excess of (i) the Current Value over (ii)
              the Purchase Price.  If the Board of Directors determines in good
              faith that it is likely that sufficient additional shares of
              Common Stock could be authorized for issuance upon exercise in
              full of the Rights, the 30-day period set forth above may be
              extended to the extent necessary, but not more than 90 days after
              the Section 11(a)(ii) Event, in order that the Company may seek
              shareholder approval for the authorization of such additional
              shares (such 30-day period, as it may be extended, being the
              "Substitution Period").  To the extent that action is to be taken
              pursuant to this SECTION 11(a)(iii), the Company (1) will
              provide, subject to SECTION 7(e), that such action will apply
              uniformly to all outstanding Rights, and (2) may suspend the
              exercisability of the Rights until the expiration of the
              Substitution Period in order to seek any required shareholder
              approval or to decide the appropriate form of distribution to be
              made and the value thereof.  In the event of any such suspension,
              the Company will issue a public announcement stating that the
              exercisability of the Rights has been temporarily suspended, as
              well as a public announcement at such time as the suspension no
              longer remains in effect.  For purposes of this SECTION
              11(a)(iii), the Current Value of each Adjustment Share will be
              the Current Market Price per share of the Common Stock on the
              effective date of the Section 11(a)(ii) Event and the per share
              or per unit value of any Common Stock Equivalent will be deemed
              to equal the Current Market Price per share of the Common Stock
              on such date.

              (b)    In case the Company fixes a record date for the issuance
       of rights, options or warrants to all holders of Common Stock entitling
       them to subscribe for or purchase (for a period expiring within 45
       calendar days after such record date) Common Stock (and/or Common Stock
       Equivalents or securities convertible into Common Stock) at a price per
       share of Common Stock (or having a conversion price per share, if a
       security convertible into Common Stock) less than the Current Market
       Price per share of Common Stock on such record date, the Purchase Price
       to be in effect after such record date will be determined by multiplying
       the Purchase Price in effect immediately prior to such record date by a
       fraction, (i) the numerator of which is the number of shares of Common
       Stock outstanding on such record date, plus the number of shares of
       Common Stock that the aggregate offering price of the total number of
       shares of Common Stock (and/or Common Stock Equivalents) so to be
       offered (or the aggregate initial conversion price of the convertible
       securities so to be offered) would purchase at such Current Market
       Price, and (ii) the denominator of which is the number of shares of
       Common Stock outstanding on such record date, plus the number of
       additional shares of Common Stock (and/or Common Stock Equivalents) to
       be offered for subscription or purchase (or into which the





                                       14
<PAGE>   18
       convertible securities so to be offered are initially convertible).  In
       the event that the number of shares of Common Stock issuable under the
       terms of a convertible security, or the conversion or exercise price of
       such convertible security, changes after the initial issuance of such
       convertible security, an adjustment will be made to the Purchase Price
       that conforms with the adjustment set forth in this SECTION 11(b).  In
       case such subscription price may be paid by delivery of consideration
       part or all of which may be in a form other than cash, the value of such
       consideration will be as conclusively determined in good faith by the
       Board of Directors of the Company, whose determination will be described
       in a statement filed with the Rights Agent and will be binding on the
       Rights Agent and the holders of the Rights.  Shares of Common Stock
       owned by or held for the account of the Company will be deemed not to be
       outstanding for the purpose of any such computation.  Such adjustment
       will be made successively whenever such a record date is fixed, and in
       the event that such rights or warrants are not so issued, the Purchase
       Price will be adjusted to be the Purchase Price that would then be in
       effect if such record date had not been fixed.

              (c)    In case the Company fixes a record date for a distribution
       to all holders of Common Stock (including any such distribution made in
       connection with a consolidation or merger in which the Company is the
       continuing corporation) of evidences of indebtedness, cash (other than a
       regular quarterly cash dividend out of the earnings or retained earnings
       of the Company), assets (other than a dividend payable in Common Stock,
       but including any dividend payable in stock other than Common Stock) or
       subscription rights or warrants (excluding those referred to in SECTION
       11(b)), the Purchase Price to be in effect after such record date will
       be determined by multiplying the Purchase Price in effect immediately
       prior to such record date by a fraction, (i) the numerator of which is
       the Current Market Price per share of Common Stock on such record date,
       less the fair market value (as conclusively determined in good faith by
       the Board of Directors of the Company, whose determination will be
       described in a statement filed with the Rights Agent) of the portion of
       the cash, assets, or evidences of indebtedness so to be distributed or
       of such subscription rights or warrants applicable to a share of Common
       Stock and (ii) the denominator of which is such Current Market Price per
       share of Common Stock.  Such adjustments will be made successively
       whenever such a record date is fixed, and in the event that such
       distribution is not so made, the Purchase Price will be adjusted to be
       the Purchase Price that would have been in effect if such record date
       had not been fixed.

              (d)    The "Current Market Price" per share of Common Stock on
       any date will be deemed to be the average of the daily closing prices
       per share of such Common Stock for the 30 consecutive Trading Days
       immediately prior to such date; provided, however, that in the event
       that the Current Market Price per share of the Common Stock is
       determined during a period following the announcement by the issuer of
       such Common Stock of (i) a dividend or distribution on such Common Stock
       payable in shares of such Common Stock or securities convertible into
       shares of such Common Stock (other than the Rights), or (ii) any
       subdivision, combination, or reclassification of such Common Stock, and
       the ex-dividend date for such dividend or distribution, or the record
       date for





                                       15
<PAGE>   19
       such subdivision, combination, or reclassification has not occurred
       prior to the commencement of the requisite 30 Trading Day period, as set
       forth above, then, and in each such case, the Current Market Price will
       be properly adjusted to take into account ex-dividend trading.  The
       closing price for each day will be the last sale price, regular way, or,
       in case no such sale takes place on such day, the average of the closing
       bid and asked prices, regular way, in either case as reported in the
       principal consolidated transaction reporting system with respect to
       securities listed or admitted to trading on the New York Stock Exchange
       or, if the shares of Common Stock are not listed or admitted to trading
       on the New York Stock Exchange, as reported in the principal
       consolidated transaction reporting system with respect to securities
       listed on the principal national securities exchange on which the shares
       of Common Stock are listed or admitted to trading or, if the shares of
       Common Stock are not listed or admitted to trading on any national
       securities exchange, the last quoted price or, if not so quoted, the
       average of the high bid and low asked prices in the over-the-counter
       market, as reported by NASDAQ or such other system then in use, or, if
       on any such date the shares of Common Stock are not quoted by any such
       organization, the average of the closing bid and asked prices as
       furnished by a professional market maker making a market in the Common
       Stock selected by the Board of Directors.  If on any such date no market
       maker is making a market in the Common Stock, the fair value of such
       shares on such date as determined in good faith by the Board of
       Directors will be used.  If the Common Stock is not publicly held or not
       so listed or traded, Current Market Price per share will mean the fair
       value per share as determined in good faith by the Board of Directors,
       the determination of which will be described in a statement filed with
       the Rights Agent and will be conclusive for all purposes.

              (e)    Anything in this Agreement to the contrary
       notwithstanding, no adjustment in the Purchase Price will be required
       unless such adjustment would require an increase or decrease of at least
       one percent (1%) in the Purchase Price; provided, however, that any
       adjustments that by reason of this SECTION 11(e) are not required to be
       made will be carried forward and taken into account in any subsequent
       adjustment.  All calculations under this SECTION 11 will be made to the
       nearest cent or to the nearest one-hundredth of a share of Common Stock.
       Notwithstanding the first sentence of this SECTION 11(e), any adjustment
       required by this SECTION 11 will be made no later than the earlier of
       (i) three years from the date of the transaction that mandates such
       adjustment or (ii) the Final Expiration Date.

              (f)    If, as a result of an adjustment made pursuant to SECTION
       11(a)(ii) or SECTION 13(a), the holder of any Right thereafter exercised
       becomes entitled to receive any shares of capital stock other than
       Common Stock, then the number of such other shares so receivable upon
       exercise of any Right and the Purchase Price will be subject to
       adjustment from time to time in a manner and on terms as nearly
       equivalent as practicable to the provisions with respect to the Common
       Stock contained in SECTIONS 11(a), (b), (c), (e), (g), (h), (i), (j),
       (k), (m), and (q) and the provisions of SECTIONS 7, 9, 10, 13, and 14
       with respect to the Common Stock will apply on like terms to any such
       other shares.





                                       16
<PAGE>   20
              (g)    All Rights originally issued by the Company subsequent to
       any adjustment made to the Purchase Price under this Agreement will
       evidence the right to purchase, at the adjusted Purchase Price, the
       number of Rights Shares purchasable from time to time under this
       Agreement, all subject to further adjustment as provided in this
       Agreement.

              (h)    Unless the Company has exercised its election as provided
       in SECTION 11(i), upon each adjustment of the Purchase Price as a result
       of the calculations made in SECTIONS 11(b) and (c), each Right
       outstanding immediately prior to the making of such adjustment will
       thereafter evidence the right to purchase, at the adjusted Purchase
       Price, that number of Rights Shares (calculated to the nearest one-
       hundredth) obtained by (i) multiplying (x) the number of Rights Shares
       covered by a Right immediately prior to this adjustment, by (y) the
       Purchase Price in effect immediately prior to such adjustment of the
       Purchase Price, and (ii) dividing the product so obtained by the
       Purchase Price in effect immediately after such adjustment of the
       Purchase Price.

              (i)    The Company may elect on or after the date of any
       adjustment of the Purchase Price to adjust the number of Rights, in lieu
       of any adjustment in the number of Rights Shares purchasable upon the
       exercise of a Right.  Each of the Rights outstanding after such an
       adjustment in the number of Rights will be exercisable for the number of
       Rights Shares for which a Right was exercisable immediately prior to
       such adjustment.  Each Right held of record prior to such adjustment of
       the number of Rights will become that number of Rights (calculated to
       the nearest one-hundredth) obtained by dividing the Purchase Price in
       effect immediately prior to adjustment of the Purchase Price by the
       Purchase Price in effect immediately after adjustment of the Purchase
       Price.  The Company will make a public announcement of its election to
       adjust the number of Rights, indicating the record date for the
       adjustment, and, if known at the time, the amount of the adjustment to
       be made.  This record date may be the date on which the Purchase Price
       is adjusted or any day thereafter, but, if the Rights Certificates have
       been issued, will be at least ten Business Days later than the date of
       the public announcement.  If Rights Certificates have been issued, upon
       each adjustment of the number of Rights pursuant to this SECTION 11(i),
       the Company will, as promptly as practicable, cause to be distributed to
       holders of record of Rights Certificates on such record date Rights
       Certificates evidencing, subject to SECTION 14, the additional Rights to
       which such holders are entitled as a result of such adjustment, or, at
       the option of the Company, will cause to be distributed to such holders
       of record in substitution and replacement for the Rights Certificates
       held by such holders prior to the date of adjustment, and upon surrender
       thereof, if required by the Company, new Rights Certificates evidencing
       all the Rights to which such holders are entitled after such adjustment.
       Rights Certificates so to be distributed will be issued, executed, and
       countersigned in the manner provided for in this Agreement (and may
       bear, at the option of the Company, the adjusted Purchase Price) and
       will be registered in the names of the holders of record of Rights
       Certificates on the record date specified in the public announcement.

              (j)    Irrespective of any adjustment or change in the Purchase
       Price or the Rights Shares, the Rights Certificates theretofore and
       thereafter issued may continue to





                                       17
<PAGE>   21
       express the Purchase Price per Rights Shares and the number of Rights
       Shares that were expressed in the initial Rights Certificates issued
       under this Agreement.

              (k)    Before taking any action that would cause an adjustment
       reducing the Purchase Price below the then stated value, if any, of the
       number of Rights Shares, the Company will take any corporate action that
       may, in the opinion of its counsel, be necessary in order that the
       Company may validly and legally issue such number of fully paid and
       nonassessable Rights Shares at such adjusted Purchase Price.

              (l)    In any case in which this SECTION 11 requires that an
       adjustment in the Purchase Price be made effective as of a record date
       for a specified event, the Company may elect to defer until the
       occurrence of such event the issuance to the holder of any Right
       exercised after such record date the number of Rights Shares and other
       capital stock or securities of the Company, if any, issuable upon such
       exercise over and above the number of Rights Shares and other capital
       stock or securities of the Company, if any, issuable upon such exercise
       on the basis of the Purchase Price in effect prior to such adjustment;
       provided, however, that the Company will deliver to such holder a due
       bill or other appropriate instrument evidencing such holder's right to
       receive such additional shares (fractional or otherwise) or securities
       upon the occurrence of the event requiring such adjustment.

              (m)    Anything in this SECTION 11 to the contrary
       notwithstanding, the Company will be entitled to make such reductions in
       the Purchase Price, in addition to those adjustments expressly required
       by this SECTION 11, as and to the extent that, in its good faith
       judgment, the Board of Directors of the Company determines it to be
       advisable in order that any (i) consolidation or subdivision of the
       Common Stock, (ii) issuance wholly for cash of any shares of Common
       Stock at less than the then current market price, (iii) issuance wholly
       for cash of shares of Common Stock or securities that by their terms are
       convertible into or exchangeable for shares of Common Stock, (iv) stock
       dividends, or (v) issuance of rights, options, or warrants referred to
       in this SECTION 11, hereafter made by the Company to holders of its
       Common Stock will not be taxable to such stockholders.

              (n)    The Company covenants and agrees that it will not, at any
       time after the Distribution Date, (i) consolidate with any other Person
       (other than a Subsidiary of the Company in a transaction that complies
       with SECTION 11(o)), (ii) merge with, from, or into any other Person
       (other than a Subsidiary of the Company in a transaction that complies
       with SECTION 11(o)), or (iii) sell or transfer (or permit any Subsidiary
       to sell or transfer), in one transaction, or a series of related
       transactions, assets or earning power aggregating more than 50% of the
       assets or earning power of the Company and its Subsidiaries (taken as a
       whole) to any other Person or Persons (other than the Company or any of
       its Subsidiaries in one or more transactions each of which complies with
       SECTION 11(o)), if (x) at the time of or immediately after such
       consolidation, merger, or sale there are any rights, warrants, or other
       instruments or securities outstanding or agreements in effect that could
       reasonably be expected to substantially diminish or otherwise eliminate
       the benefits intended to be afforded by the Rights or (y) prior to,





                                       18
<PAGE>   22
       simultaneously with, or immediately after, such consolidation, merger,
       or sale, the stockholders of the Person that constitutes, or would
       constitute, the "Principal Party" for purposes of SECTION 13(a) has
       received a distribution of Rights previously owned by such Person or any
       of its Affiliates and Associates.

              (o)    The Company covenants and agrees that, after the
       Distribution Date, it will not, except as permitted by SECTION 23 or
       SECTION 27, take (or permit any Subsidiary to take) any action if at the
       time such action is taken it is reasonably foreseeable that such action
       will diminish substantially or otherwise eliminate the benefits intended
       to be afforded by the Rights.

              (p)    Notwithstanding anything in this Agreement to the
       contrary, in the event that the Company at any time after the Rights
       Dividend Declaration Date and prior to the Distribution Date (i)
       declares a dividend on the outstanding shares of Common Stock payable in
       shares of Common Stock, (ii) subdivides the outstanding shares of Common
       Stock, or (iii) combines the outstanding shares of Common Stock into a
       smaller number of shares, the number of Rights associated with each
       share of Common Stock then outstanding, or issued or delivered
       thereafter but prior to the Distribution Date, will be proportionately
       adjusted so that the number of Rights thereafter associated with each
       share of Common Stock following any such event will equal the result
       obtained by multiplying the number of Rights associated with each share
       of Common Stock immediately prior to such event by a fraction the
       numerator of which is the total number of shares of Common Stock
       outstanding immediately prior to the occurrence of the event and the
       denominator of which is the total number of shares of Common Stock
       outstanding immediately following the occurrence of such event.

              (q)    In the event that the Rights become exercisable following
       a Section 11(a)(ii) Event, the Company, by action of a Requisite
       Majority, may permit the Rights, subject to SECTION 7(e), to be
       exercised for 50% of the shares of Common Stock (or other securities,
       cash or other assets to be substituted for the Adjustment Shares
       pursuant to SECTION 11(a)(III)) that would otherwise be purchasable
       under SECTION 11(a) in consideration of the surrender to the Company of
       the Rights so exercised and without other payment of the Purchase Price.
       Rights exercised under this SECTION 11(q) will be deemed to have been
       exercised in full and will be cancelled.

       Section 12.   Certificate of Adjusted Purchase Price or Number of
Shares.  Whenever an adjustment is made as provided in SECTION 11 or SECTION
13, the Company will (a) promptly prepare a certificate setting forth such
adjustment and a brief statement of the facts accounting for such adjustment,
(b) promptly file with the Rights Agent, and with each transfer agent for the
Common Stock, a copy of such certificate, and (c) mail a brief summary thereof
to each holder of a Rights Certificate (or, if prior to the Distribution Date,
to each holder of a certificate representing shares of Common Stock) in
accordance with SECTION 25.  The Rights Agent will be fully protected in
relying on any such certificate and on any adjustment contained in such
certificate.





                                       19
<PAGE>   23
       Section 13.   Consolidation, Merger or Sale or Transfer of Assets or
Earning Power.

              (a)    In the event that, following the Stock Acquisition Date,
       directly or indirectly, (i) the Company consolidates with, or merges
       with, or into, any other Person (other than a Subsidiary of the Company
       in a transaction that complies with SECTION 11(o)), and the Company is
       not the continuing or surviving Person of such consolidation or merger;
       (ii) any Person (other than a Subsidiary of the Company in a transaction
       that complies with SECTION 11(o)) consolidates with, or merges with, or
       into, the Company, and the Company is the continuing or surviving
       corporation of such consolidation or merger and, in connection with such
       consolidation or merger, all or part of the outstanding shares of Common
       Stock is changed into or exchanged for stock or other securities of any
       other Person or cash or any other property; or (iii) the Company sells
       or otherwise transfers (or one or more of its Subsidiaries sells or
       otherwise transfers), in one transaction or a series of related
       transactions, assets or earning power aggregating more than 50% of the
       assets or earning power of the Company and its Subsidiaries (taken as a
       whole) to any Person or Persons (other than the Company or any
       Subsidiary of the Company in one or more transactions each of which
       complies with SECTION 11(o)), then, and in each such case (except as
       contemplated by SECTION 13(d)), proper provision will be made so that
       (a) each holder of a Right, except as provided in SECTION 7(e) or
       SECTION 13(e), will thereafter have the right to receive, upon the
       exercise of such Right at the then current Purchase Price in accordance
       with the terms of this Agreement, such number of validly authorized and
       issued, fully paid, nonassessable, and freely tradable shares of Common
       Stock of the Principal Party (as defined below), not subject to any
       liens, encumbrances, preemptive rights, rights of first refusal, or
       other adverse claims, as are equal to the result obtained by (1)
       multiplying the then current Purchase Price by the number of Rights
       Shares for which a Right is exercisable immediately prior to the first
       occurrence of a Section 13 Event (or, if a Section 11(a)(ii) Event has
       occurred prior to the first occurrence of a Section 13 Event,
       multiplying the number of such Rights Shares for which a Right was
       exercisable immediately prior to the first occurrence of a Section
       11(a)(ii) Event by the Purchase Price in effect immediately prior to
       such first occurrence), and (2) dividing that product (which, following
       the first occurrence of a Section 13 Event, will be referred to as the
       "Purchase Price" for each Right and for all purposes of this Agreement)
       by 50% of the Current Market Price per share of the Common Stock of such
       Principal Party on the date of consummation of such Section 13 Event;
       (B) such Principal Party will thereafter be liable for, and will assume,
       by virtue of such Section 13 Event, all the obligations and duties of
       the Company pursuant to this Agreement; (C) the term "Company" will
       thereafter be deemed to refer to such Principal Party, it being
       specifically intended that the provisions of SECTION 11 will apply only
       to such Principal Party following the first occurrence of a Section 13
       Event; (D) such Principal Party will take such steps (including, but not
       limited to, the reservation of a sufficient number of shares of its
       Common Stock) in connection with the consummation of any such
       transaction as may be necessary to assure that the provisions of this
       Agreement will thereafter be applicable, as nearly as may be, in
       relation to its shares of Common Stock thereafter deliverable upon the
       exercise of the Rights; and (E) the





                                       20
<PAGE>   24
       provisions of SECTION 11(a)(ii) will be of no effect following the first
       occurrence of any Section 13 Event.

              (b)    "Principal Party" means

                     (i)    in the case of any transaction described in CLAUSE
              (I) or (II) of the first sentence of SECTION 13(a), the Person
              that is the issuer of any securities into which shares of Common
              Stock of the Company are converted in such merger or
              consolidation, and if no securities are so issued, the Person
              that is the other party to such merger or consolidation; and

                     (ii)   in the case of any transaction described in CLAUSE
              (III) of the first sentence of SECTION 13(a), the Person that is
              the party receiving the greatest portion of the assets or earning
              power transferred pursuant to such transaction or transactions;

              provided, however, that in any such case, (1) if the Common Stock
              of such Person is not at such time and has not been continuously
              over the preceding 12-month period registered under Section  12
              of the Exchange Act, and such Person is a direct or indirect
              Subsidiary of another Person the Common Stock of which is and has
              been so registered, "Principal Party" will refer to such other
              Person; and (2) in case such Person is a Subsidiary, directly or
              indirectly, of more than one Person, with Common Stock that is
              and has been so registered, "Principal Party" will refer to
              whichever of such Persons is the issuer of the Common Stock
              having the greatest aggregate market value.

              (c)    The Company will not consummate any such consolidation,
       merger, sale, or transfer unless the Principal Party has a sufficient
       number of authorized shares of its Common Stock that have not been
       issued or reserved for issuance to permit the exercise in full of the
       Rights in accordance with this SECTION 13 and unless prior thereto the
       Company and such Principal Party have executed and delivered to the
       Rights Agent a supplemental agreement providing for the Principal Party
       to assume and perform the terms set forth in SECTIONS 13(a) and (b) and
       further providing that, as soon as practicable after the date of any
       consolidation, merger, or transfer mentioned in SECTION 13(a), the
       Principal Party will

                     (i)    prepare and file a registration statement under the
              Act, with respect to the Rights and the securities purchasable
              upon exercise of the Rights on an appropriate form, and will use
              its best efforts to cause such registration statement to (A)
              become effective as soon as practicable after such filing and (B)
              remain effective (with a prospectus at all times meeting the
              requirements of the Act) until the Final Expiration Date; and





                                       21
<PAGE>   25
                     (ii)   will deliver to holders of the Rights historical
              financial statements for the Principal Party and each of its
              Affiliates that comply in all respects with the requirements for
              registration on Form 10 under the Exchange Act.

              (d)    In the event that the Rights become exercisable under
       SECTION 13(a), the Company, by action of a Requisite Majority, may agree
       with the Principal Party that the Principal Party may permit the Rights
       to be exercised for 50% of the Common Stock of the Principal Party that
       would otherwise be purchasable under SECTION 13(a), in consideration of
       the surrender to the Principal Party, as the successor to the Company
       under SECTION 13(a)(ii), of the Rights so exercised and without other
       payment of the Purchase Price.  Rights exercised under this SECTION
       13(e) will be deemed to have been exercised in full and cancelled.

              (e)    The provisions of this SECTION 13 will similarly apply to
       successive mergers, consolidations, and sales or other transfers.  In
       the event that a Section 13 Event occurs at any time after the
       occurrence of a Section 11(a)(ii) Event, the Rights that have not
       theretofore been exercised will thereafter become exercisable in the
       manner described in SECTION 13(a).

       Section 14.   Fractional Rights and Fractional Shares.

              (a)    The Company will not be required to issue fractions of
       Rights, except prior to the Distribution Date as provided in SECTION
       11(p), or to distribute Rights Certificates that evidence fractional
       Rights.  In lieu of such fractional Rights, there will be paid to the
       registered holders of the Rights Certificates with regard to which such
       fractional Rights would otherwise be issuable, an amount in cash equal
       to the same fraction of the current market value of a whole Right.  For
       purposes of this SECTION 14(a), the current market value of a whole
       Right will be the closing price of the Rights for the Trading Day
       immediately prior to the date on which such fractional Rights would have
       been otherwise issuable.  The closing price of the Rights for any day
       will be the last sale price, regular way, or, in case no such sale takes
       place on such day, the average of the closing bid and asked prices,
       regular way, in either case as reported in the principal consolidated
       transaction reporting system with respect to securities listed or
       admitted to trading on the New York Stock Exchange or, if the Rights are
       not listed or admitted to trading on the New York Stock Exchange, as
       reported in the principal consolidated transaction reporting system with
       respect to securities listed on the principal national securities
       exchange on which the Rights are listed or admitted to trading, or if
       the Rights are not listed or admitted to trading on any national
       securities exchange, the last quoted price or, if not so quoted, the
       average of the high bid and low asked prices in the over-the-counter
       market, as reported by NASDAQ or such other system then in use or, if on
       any such date the Rights are not quoted by any such organization, the
       average of the closing bid and asked prices as furnished by a
       professional market maker making a market in the Rights selected by the
       Board of Directors of the Company.  If on any such date no such market
       maker is making a market in the Rights the fair value of the Rights on
       such date





                                       22
<PAGE>   26
       as conclusively determined in good faith by the Board of Directors of
       the Company will be used.

              (b)    The Company will not be required to issue fractions of
       shares of Common Stock upon exercise of the Rights or to distribute
       certificates that evidence fractional shares of Common Stock.  In lieu
       of fractional shares of Common Stock, the Company may pay to the
       registered holders of Rights Certificates at the time such Rights are
       exercised as provided in this Agreement an amount in cash equal to the
       same fraction of the Current Market Price of one share of Common Stock
       as of the Trading Day immediately prior to the date of such exercise.

              (c)    The holder of a Right, by the acceptance of the Rights,
       expressly waives the right to receive any fractional Rights or any
       fractional shares upon exercise of a Right, except as permitted by this
       SECTION 14.

       Section 15.   Rights of Action.  All rights of action in respect of this
Agreement are vested in the respective registered holders of the Rights
Certificates (and, prior to the Distribution Date, the registered holders of
the Common Stock); and any registered holder of any Rights Certificate (or,
prior to the Distribution Date, of the Common Stock), without the consent of
the Rights Agent or of the holder of any other Rights Certificate (or, prior to
the Distribution Date, of the Common Stock), may, on its own behalf and for its
own benefit, enforce, and may institute and maintain any suit, action, or
proceeding against the Company to enforce, or otherwise act in respect of, its
right to exercise the Rights evidenced by such Rights Certificate in the manner
provided in such Rights Certificate and in this Agreement.  Without limiting
the foregoing or any remedies available to the holders of Rights, it is
specifically acknowledged that the holders of Rights would not have an adequate
remedy at law for any breach of this Agreement and will be entitled to specific
performance of the obligations under this Agreement and injunctive relief
against actual or threatened violations of the obligations under this Agreement
of any Person subject to this Agreement.

       Section 16.   Agreement of Rights Holders.  Every holder of a Right by
accepting the Rights consents and agrees with the Company and the Rights Agent
and with every other holder of a Right that:

              (a)    prior to the Distribution Date, the Rights will be
       transferable only in connection with the transfer of Common Stock;

              (b)    after the Distribution Date, the Rights Certificates are
       transferable only on the registry books of the Rights Agent if
       surrendered at the principal office or offices of the Rights Agent
       designated for such purposes, duly endorsed or accompanied by a proper
       instrument of transfer, and with the appropriate forms and certificates
       fully executed;

              (c)    subject to SECTION 6(a) and SECTION 7(f), the Company and
       the Rights Agent may deem and treat the person in whose name a Rights
       Certificate (or, prior to the





                                       23
<PAGE>   27
       Distribution Date, the associated Common Stock certificate) is
       registered as the absolute owner of the Rights evidenced thereby
       (notwithstanding any notations of ownership or writing on the Rights
       Certificates or the associated Common Stock certificate made by anyone
       other than the Company or the Rights Agent) for all purposes whatsoever,
       and neither the Company nor the Rights Agent, will be affected by any
       notice to the contrary; and

              (d)    notwithstanding anything in this Agreement to the
       contrary, neither the Company nor the Rights Agent will have any
       liability to any holder of a Right or other Person as a result of its
       inability to perform any of its obligations under this Agreement by
       reason of any preliminary or permanent injunction or other order,
       decree, or ruling issued by a court of competent jurisdiction or by a
       governmental, regulatory, or administrative agency or commission, or any
       statute, rule, regulation, or executive order promulgated or enacted by
       any governmental authority, prohibiting or otherwise restraining
       performance of such obligation; provided, however, that the Company will
       use its reasonable best efforts to have any such order, decree, or
       ruling lifted or otherwise overturned as soon as possible.

       Section 17.   Rights Certificate Holder Not Deemed a Stockholder.  No
holder, as such, of any Rights Certificate will be entitled to vote or receive
dividends or be deemed for any purpose the holder of the number of shares of
Common Stock or any other securities of the Company that may at any time be
issuable on the exercise of the Rights represented thereby, nor will anything
contained in this Agreement or in any Rights Certificate be construed to confer
upon the holder of any Rights Certificate, as such, any of the rights of a
stockholder of the Company or any right to vote for the election of directors
or upon any matter submitted to stockholders, or to give or withhold consent to
any corporate action, or to receive notice of meetings or other actions
affecting stockholders (except as provided in SECTION 25), or to receive
dividends or subscription rights, or otherwise, until the Right or Rights
evidenced by such Rights Certificate have been exercised in accordance with the
provisions of this Agreement.

       Section 18.   Concerning the Rights Agent.

              (a)    The Company agrees to pay to the Rights Agent reasonable
       compensation for all services rendered by it under this Agreement and,
       from time to time, on demand of the Rights Agent, its reasonable
       expenses and counsel fees and disbursements and other disbursements
       incurred in the administration and execution of this Agreement and the
       exercise and performance of its duties under this Agreement.  The
       Company also agrees to indemnify the Rights Agent for, and to hold it
       harmless against, any loss, liability, or expense, incurred without
       gross negligence, bad faith, or willful misconduct on the part of the
       Rights Agent, for anything done or omitted to be done by the Rights
       Agent in connection with the acceptance and administration of this
       Agreement, including, without limitation, the costs and expenses of
       defending against any claim of liability.  In no case shall the Rights
       Agent be liable for special, indirect, incidental or consequential loss
       or damage, even if the Rights Agent has been advised of the likelihood
       of such loss or damage.





                                       24
<PAGE>   28
              (b)    The Rights Agent will be protected and will incur no
       liability for or in respect of any action taken, suffered, or omitted by
       it in connection with its administration of this Agreement in reliance
       upon any Rights Certificate or certificate for Common Stock or for other
       securities of the Company, instrument of assignment or transfer, power
       of attorney, endorsement, affidavit, letter, notice, direction, consent,
       certificate, statement, or other paper or document believed by it to be
       genuine and to be signed, executed, and, where necessary, verified or
       acknowledged, by the proper Person or Persons.

       Section 19.   Merger or Consolidation or Change of Name of Rights Agent.

              (a)    Any Person into or with which the Rights Agent or any
       successor Rights Agent may be merged or with which it may be
       consolidated, or any Person resulting from any merger or consolidation
       to which the Rights Agent or any successor Rights Agent is a party, or
       any corporation succeeding to the corporate trust or shareholder
       services business of the Rights Agent or any successor Rights Agent,
       will be the successor to the Rights Agent under this Agreement without
       the execution or filing of any paper or any further act on the part of
       any of the parties to this Agreement; provided, however, that such
       corporation would be eligible for appointment as a successor Rights
       Agent under the provisions of SECTION 21.  In case at the time such
       successor Rights Agent succeeds to the agency created by this Agreement,
       any of the Rights Certificates have been countersigned but not
       delivered, any such successor Rights Agent may adopt the
       countersignature of a predecessor Rights Agent and deliver such Rights
       Certificates so countersigned; and in case at that time any of the
       Rights Certificates have not been countersigned, any successor Rights
       Agent may countersign such Rights Certificates either in the name of the
       predecessor or in the name of the successor Rights Agent; and in all
       such cases such Rights Certificates will have the full force provided in
       the Rights Certificates and in this Agreement.

              (b)    In case at any time the name of the Rights Agent is
       changed and at such time any of the Rights Certificates have been
       countersigned but not delivered, the Rights Agent may adopt the
       countersignature under its prior name and deliver Rights Certificates so
       countersigned; and in case at that time any of the Rights Certificates
       have not been countersigned, the Rights Agent may countersign such
       Rights Certificates either in its prior name or in its changed name, and
       in all such cases such Rights Certificates will have the full force
       provided in the Rights Certificates and in this Agreement.

       Section 20.   Duties of Rights Agent.  The Rights Agent undertakes the
duties and obligations imposed by this Agreement upon the following terms and
conditions, by all of which the Company and the holders of Rights Certificates,
by their acceptance of such Rights Certificates, will be bound:

              (a)    The Rights Agent may consult with legal counsel (who may
       be legal counsel for the Company), and the opinion of such counsel will
       be full and complete





                                       25
<PAGE>   29
       authorization and protection to the Rights Agent as to any action taken
       or omitted by it in good faith and in accordance with such opinion.

              (b)    Whenever in the performance of its duties under this
       Agreement the Rights Agent deems it necessary or desirable that any fact
       or matter (including, without limitation, the identity of any Acquiring
       Person and the determination of "Current Market Price") be proved or
       established by the Company prior to taking or suffering any action under
       this Agreement, such fact or matter (unless other evidence in respect of
       such fact or matter is specifically prescribed in this Agreement) may be
       deemed to be conclusively proved and established by a certificate signed
       by the Chairman of the Board, the Chief Executive Officer, the Chief
       Operating Officer, the President, any Vice President, the Treasurer, any
       Assistant Treasurer, the Secretary, or any Assistant Secretary of the
       Company and delivered to the Rights Agent; and such certificate will be
       full authorization to the Rights Agent for any action taken or suffered
       in good faith by it under the provisions of this Agreement in reliance
       upon such certificate.

              (c)    The Rights Agent will be liable under this Agreement only
       for its own gross negligence, bad faith or willful misconduct.

              (d)    The Rights Agent will not be liable for or by reason of
       any of the statements of fact or recitals contained in this Agreement or
       in the Rights Certificates or be required to verify the same (except as
       to its countersignature on such Rights Certificates), but all such
       statements and recitals are and will be deemed to have been made by the
       Company only.

              (e)    The Rights Agent will not be under any responsibility in
       respect of the validity of this Agreement or the execution and delivery
       of this Agreement (except the due execution of this Agreement by the
       Rights Agent) or in respect of the validity or execution of any Rights
       Certificate (except its countersignature); nor will it be responsible
       for any breach by the Company of any covenant or condition contained in
       this Agreement or in any Rights Certificate; nor will it be responsible
       for any adjustment required under the provisions of SECTION 11 or
       SECTION 13, or responsible for the manner, method, or amount of any such
       adjustment or the ascertaining of the existence of facts that would
       require any such adjustment (except with respect to the exercise of
       Rights evidenced by Rights Certificates after actual notice of any such
       adjustment); nor will it by any act under this Agreement be deemed to
       make any representation or warranty as to the authorization or
       reservation of any shares of Common Stock to be issued pursuant to this
       Agreement or any Rights Certificate or as to whether any shares of
       Common Stock will, when so issued, be validly authorized or issued,
       fully paid, or nonassessable.

              (f)    The Company agrees that it will perform, execute,
       acknowledge, and deliver or cause to be performed, executed,
       acknowledged, and delivered all such further and other acts, instruments
       and assurances as may reasonably be required by the Rights Agent for the
       carrying out or performing by the Rights Agent of the provisions of this
       Agreement.





                                       26
<PAGE>   30
              (g)    The Rights Agent is hereby authorized and directed to
       accept instructions with respect to the performance of its duties under
       this Agreement from the Chairman of the Board, the Chief Executive
       Officer, the Chief Operating Officer, the President, any Vice President,
       the Secretary, any Assistant Secretary, the Treasurer, or any Assistant
       Treasurer of the Company, and to apply to such officers for advice or
       instructions in connection with its duties, and it will not be liable
       for any action taken or suffered to be taken by it in good faith in
       accordance with instructions of any such officer.

              (h)    The Rights Agent and any stockholder, director, officer,
       or employee of the Rights Agent may buy, sell, or deal in any of the
       Rights or other securities of the Company or become pecuniarily
       interested in any transaction in which the Company may be interested,
       contract with or lend money to the Company, or otherwise act as fully
       and freely as though it were not Rights Agent under this Agreement.
       Nothing in this Agreement will preclude the Rights Agent from acting in
       any other capacity for the Company or for any other Person.

              (i)    The Rights Agent may execute and exercise any of the
       rights or powers vested by this Agreement in it or perform any duty
       under this Agreement either itself or by or through its attorneys or
       agents, and the Rights Agent will not be answerable or accountable for
       any act, default, neglect, or misconduct of any such attorneys or agents
       or for any loss to the Company resulting from any such act, default,
       neglect, or misconduct; provided, however, that reasonable care was
       exercised in the selection and continued employment of such Person.

              (j)    No provision of this Agreement will require the Rights
       Agent to expend or risk its own funds or otherwise incur any financial
       liability in the performance of any of its duties under this Agreement
       or in the exercise of its rights if there are reasonable grounds for
       believing that repayment of such funds or adequate indemnification
       against such risk or liability is not reasonably assured to it.

              (k)    If, with respect to any Right Certificate surrendered to
       the Rights Agent for exercise or transfer, the certificate attached to
       the form of assignment or form of election to purchase, as the case may
       be, has either not been completed or indicates an affirmative response
       to clause 1 or 2 of such certificate, the Rights Agent will not take any
       further action with respect to such requested exercise of transfer
       without first consulting with the Company.

       Section 21.   Change of Rights Agent.  The Rights Agent or any successor
Rights Agent may resign and be discharged from its duties under this Agreement
upon 30 days' notice in writing mailed to the Company, and to each transfer
agent of the Common Stock, by registered or certified mail, and to the holders
of the Rights Certificates by first-class mail.  The Company may remove the
Rights Agent or any successor Rights Agent upon 30 days' notice in writing,
mailed to the Rights Agent or successor Rights Agent, as the case may be, and
to each transfer agent of the Common Stock, by registered or certified mail,
and to the holders of the Rights





                                       27
<PAGE>   31
Certificates by first-class mail.  If the Rights Agent resigns or is removed or
otherwise becomes incapable of acting, the Company will appoint a successor to
the Rights Agent.  If the Company fails to make such appointment within a
period of 30 days after giving notice of such removal or after it has been
notified in writing of such resignation or incapacity by the resigning or
incapacitated Rights Agent or by the holder of a Rights Certificate (who will,
with such notice, submit such holder's Rights Certificate for inspection by the
Company), then any registered holder of any Rights Certificate may apply to any
court of competent jurisdiction for the appointment of a new Rights Agent.  Any
successor Rights Agent, whether appointed by the Company or by such a court,
will be a corporation organized and doing business under the laws of the United
States or a State of the United States, in good standing, that is authorized
under such laws to exercise corporate trust powers and is subject to
supervision or examination by federal or state authority and that has at the
time of its appointment as Rights Agent a combined capital and surplus of at
least $25,000,000.  After appointment, the successor Rights Agent will be
vested with the same powers, rights, duties, and responsibilities as if it had
been originally named as Rights Agent without further act or deed, except that
the predecessor Rights Agent will deliver and transfer to the successor Rights
Agent any property at the time held by it under this Agreement and execute and
deliver any further assurance, conveyance, act, or deed necessary for the
purpose.  Not later than the effective date of any such appointment, the
Company will file notice of such appointment in writing with the predecessor
Rights Agent and each transfer agent of the Common Stock and the Common Stock,
and mail a notice of such appointment in writing to the registered holders of
the Rights Certificates.  Failure to give any notice provided for in this
SECTION 21, however, or any defect in such notice, will not affect the legality
or validity of the resignation or removal of the Rights Agent or the
appointment of the successor Rights Agent, as the case may be.

       Section 22.   Issuance of New Rights Certificates.  Notwithstanding any
of the provisions of this Agreement or of the Rights to the contrary, the
Company may, in its discretion, issue new Rights Certificates evidencing Rights
in such form as may be approved by its Board of Directors to reflect any
adjustment or change in the Purchase Price and the number, kind or class of
shares or other securities or property purchasable under the Rights
Certificates made in accordance with the provisions of this Agreement.  In
addition, in connection with the issuance or sale of shares of Common Stock
following the Distribution Date and prior to the Expiration Date, the Company
(a) will, with respect to shares of Common Stock so issued or sold pursuant to
the exercise of stock options or under any employee plan or arrangement,
granted or awarded as of the Distribution Date, or upon the exercise,
conversion, or exchange of securities issued by the Company, and (b) may, in
any other case, if deemed necessary or appropriate by the Board of Directors of
the Company, issue Rights Certificates representing the appropriate number of
Rights in connection with such issuance or sale; provided, however, that (y) no
such Rights Certificate will be issued if, and to the extent that, the Company
is advised by counsel that such issuance would create a significant risk of
material adverse tax consequences to the Company or the Person to whom such
Rights Certificate would be issued, and (z) no such Rights Certificate will be
issued if, and to the extent that, appropriate adjustment has otherwise been
made in lieu of the issuance of such Rights Certificate.





                                       28
<PAGE>   32
       Section 23.   Redemption and Termination.

              (a)    The Company may, at its option, by action of a Requisite
       Majority, at any time prior to the Close of Business on the earlier of
       (i) the tenth Business Day following a Stock Acquisition Date, or (ii)
       the Final Expiration Date, redeem all but not fewer than all the then
       outstanding Rights at the Redemption Price (the date of such redemption,
       the "Redemption Date"), and the Company, at its option, may pay the
       Redemption Price either in cash or Common Stock or other securities of
       the Company, deemed by the Board of Directors, in the exercise of its
       sole discretion, to be at least equivalent in value to the Redemption
       Price.

              (b)    Immediately upon the action of a Requisite Majority
       ordering the redemption of the Rights, evidence of which has been filed
       with the Rights Agent and without any further action and without any
       notice, the right to exercise the Rights will terminate and the only
       right thereafter of the holders of Rights will be to receive the
       Redemption Price.  Promptly after the action of a Requisite Majority
       ordering the redemption of the Rights, the Company will give notice of
       such redemption to the Rights Agent and to the holders of the then
       outstanding Rights by mailing such notice to all such holders at each
       holder's last address as it appears upon the registry books of the
       Rights Agent or, prior to the Distribution Date, on the registry books
       of the transfer agent for the Common Stock.  Each such notice of
       redemption will state the method by which the payment of the Redemption
       Price will be made.  Any notice that is mailed in the manner in this
       Agreement provided will be deemed given, whether or not the holder
       receives such notice.  In any case, failure to give such notice by mail,
       or any defect in the notice, to any particular holder of Rights shall
       not affect the sufficiency of the notice to other holders of Rights.

       Section 24.   Exchange.

              (a)    The Board of Directors of the Company may, at its option,
       at any time after a Triggering Event, exchange all or part of the then
       outstanding and exercisable Rights (which will not include Rights that
       have become void pursuant to the provisions of SECTION 7(e) hereof) for
       shares of Common Stock, each Right being exchangeable for one share of
       Common Stock, appropriately adjusted to reflect any transaction
       specified in SECTION 11(a)(i) occurring after the Record Date (such
       number of shares of Common Stock issuable in exchange for one Right
       being referred to herein as the "Exchange Shares").  Notwithstanding the
       foregoing, the Board of Directors shall not be empowered to effect such
       exchange at any time after any Person (other than the Company, any
       Subsidiary of the Company, any employee benefit plan of the Company or
       any of its Subsidiaries or any Person or entity organized, appointed or
       established by the Company for or pursuant to the terms of any such
       Plan), together with all Affiliates and Associates of such Person,
       becomes the Beneficial Owner of 50% or more of the Common Stock then
       outstanding.





                                       29
<PAGE>   33
              (b)    Immediately upon the action of the Board of Directors of
       the Company ordering the exchange of any Rights pursuant to subsection
       (a) of this SECTION 24 and without any further action and without any
       notice, the right to exercise such Rights shall terminate and the only
       right thereafter of a holder of such Rights shall be to receive the
       Exchange Shares.  The Company shall promptly give public notice of any
       such exchange; provided, however, that the failure to give, or any
       defect in, such notice shall not affect the validity of such exchange.
       The Company promptly shall mail a notice of any such exchange to all of
       the holders of such Rights at their last addresses as they appear upon
       the registry books of the Rights Agent.  Any notice that is mailed in
       the manner herein provided shall be deemed given, whether or not the
       holder receives the notice.  Each such notice of exchange will state the
       method by which the exchange of the Common Stock for Rights will be
       effected and, in the event of any partial exchange, the number of Rights
       which will be exchanged.  Any partial exchange shall be effected pro
       rata based on the number of Rights (other than Rights which have become
       void pursuant to the provisions of SECTION 7(e) hereof) held by each
       holder of Rights.

              (c)    In the event that there shall not be sufficient Common
       Stock issued but not outstanding, or authorized but unissued, to permit
       any exchange of Rights as contemplated in accordance with this SECTION
       24, the Company shall take all such action as may be necessary to
       authorize additional Common Stock for issuance upon exchange of the
       Rights or shall take such other action specified in SECTION 11(a)(iii)
       hereof.

              (d)    The Company shall not be required to issue fractions of
       shares of Common Stock to distribute certificates that evidence
       fractional Common Stock.  In lieu of such fractional shares, the Company
       shall pay to the registered holders of the Right Certificates with
       regard to which such fractional shares would otherwise be issuable an
       amount in cash equal to the same fraction of the Current Market Price of
       a whole share of Common Stock.  For the purposes of this SUBSECTION (d),
       the Current Market Price of a whole share of Common Stock shall be
       determined as of the Trading Day immediately prior to the date of
       exchange pursuant to this SECTION 24.

       Section 25.   Notice of Certain Events.

              (a)    In case the Company proposes, at any time after the
       Distribution Date, (i) to pay any dividend payable in stock of any class
       to the holders of Common Stock or to make any other distribution to the
       holders of Common Stock (other than a regular quarterly cash dividend
       out of earnings or retained earnings of the Company), or (ii) to offer
       to the holders of Common Stock rights or warrants to subscribe for or to
       purchase any additional shares of Common Stock or shares of stock of any
       class or any other securities, rights or options, or (iii) to effect any
       reclassification of its Common Stock (other than a reclassification
       involving only the subdivision of outstanding shares of Common Stock),
       or (iv) to effect any consolidation or merger into, or with any other
       Person (other than a Subsidiary of the Company in a transaction that
       complies with SECTION 11(o)), or to effect any sale or other transfer
       (or to permit one or more of its Subsidiaries to effect any sale or
       other transfer), in one transaction or a series of related





                                       30
<PAGE>   34
       transactions, of more than 50% of the assets or earning power of the
       Company and its Subsidiaries (taken as a whole) to any other Person or
       Persons (other than the Company or any of its Subsidiaries in one or
       more transactions each of which complies with SECTION 11(o)), or (v) to
       effect the liquidation, dissolution or winding up of the Company, then,
       in each such case, the Company will give to each holder of a Rights
       Certificate, to the extent feasible and in accordance with SECTION 26, a
       notice of such proposed action, which will specify the record date for
       the purposes of such, distribution, stock dividend, distribution of
       rights or warrants, or the date on which such reclassification,
       consolidation, merger, sale, transfer, liquidation, dissolution, or
       winding up is to take place and the date of participation therein by the
       holders of the shares of Common Stock, if any such date is to be fixed,
       and such notice will be so given in the case of any action covered by
       CLAUSE (i) or (ii) above at least 20 days prior to the record date for
       determining holders of the shares of Common Stock for purposes of such
       action, and in the case of any such other action, at least 20 days prior
       to the date of the taking of such proposed action or the date of
       participation therein by the holders of the shares of Common Stock,
       whichever is the earlier.

              (b)    In case of a Triggering Event, then (i) the Company will
       as soon as practicable give to each holder of a Rights Certificate, to
       the extent feasible and in accordance with SECTION 26, a notice of the
       occurrence of such event, which will specify the event and the
       consequences of the event to holders of Rights under this Agreement, and
       (ii) all references in SECTION 25(a) to common stock will be deemed
       thereafter to refer to other securities, if appropriate.

       Section 26.   Notices.  Notices or demands authorized by this Agreement
to be given or made by the Rights Agent or by the holder of any Rights
Certificate to or on the Company will be sufficiently given or made if sent by
first-class mail, postage prepaid, addressed (until another address is filed in
writing with the Rights Agent) as follows:

                     Peerless Mfg. Co.
                     2819 Walnut Hill Lane
                     Dallas, Texas  75229
                     Attention:  Chief Executive Officer

                     with a copy to:

                     Hughes & Luce, L.L.P.
                     1717 Main Street
                     Suite 2800
                     Dallas, Texas 75201
                     Attention:  R. Clayton Mulford

       Subject to the provisions of SECTION 21, any notice or demand authorized
by this Agreement to be given or made by the Company or by the holder of any
Rights Certificate to or





                                       31
<PAGE>   35
on the Rights Agent will be sufficiently given or made if sent by first-class
mail, postage prepaid, addressed (until another address is filed in writing
with the Company) as follows:

                     ChaseMellon Shareholder Services, L.L.C.
                     85 Challenger Road
                     Ridgefield Park, N.J. 07660
                     Attention: Mona Vohrees
                               


       Notices or demands authorized by this Agreement to be given or made by
the Company or the Rights Agent to the holder of any Rights Certificate (or, if
prior to the Distribution Date, to the holder of certificates representing
shares of Common Stock) will be sufficiently given or made if sent by first-
class mail, postage prepaid, addressed to such holder at the address of such
holder as shown on the registry books of the Company.

       Section 27.   Supplement and Amendments.  The Company, by action of its
Board of Directors, and the Rights Agent may from time to time supplement or
amend this Agreement without the approval of any holders of Rights in order to
cure any ambiguity, to correct or supplement any provision contained in this
Agreement that may be defective or inconsistent with any other provisions in
this Agreement, or to make any other provisions in regard to matters or
questions arising under this Agreement that the Company and Rights Agent may
deem necessary or desirable and that will be consistent with, and for the
purpose of fulfilling, the objectives of the Board of Directors in adopting
this Agreement; provided, however, that following the Distribution Date, this
Agreement may only be amended to shorten or lengthen any time period or in a
manner that would not adversely affect the basic economic terms of the Rights;
provided further, that, once the Rights are no longer redeemable in accordance
with SECTION 23 of this Agreement, no amendment to this Agreement may have the
effect of making the Rights redeemable.

       Section 28.   Successors.  All the covenants and provisions of this
Agreement by or for the benefit of the Company or the Rights Agent will bind
and inure to the benefit of their respective successors and assigns under this
Agreement.

       Section 29.   Determinations and Actions by the Board of Directors, etc.
For all purposes of this Agreement, any calculation of the number of shares of
Common Stock outstanding at any particular time, including for purposes of
determining the particular percentage of such outstanding shares of Common
Stock of which any Person is the Beneficial Owner, will be made in accordance
with the last sentence of Rule 13d-3(d)(1)(i) of the General Rules and
Regulations under the Exchange Act as in effect on the date of this Agreement.
The Board of Directors of the Company (with, where specifically provided for in
this Agreement, the concurrence of the Continuing Directors) will have the
exclusive power and authority to administer this Agreement and to exercise all
rights and powers specifically granted to the Board of Directors (with, where
specifically provided for in this Agreement, the concurrence of the Continuing
Directors) or to the Company, or as may be necessary or advisable in the
administration of this Agreement, including, without limitation, the right and
power to (a)





                                       32
<PAGE>   36
interpret the provisions of this Agreement, and (b) make all determinations
deemed necessary or advisable for the administration of this Agreement
(including, without limitation, a determination to redeem or not redeem the
Rights or to amend the Agreement).  All such actions, calculations,
interpretations and determinations (including, for purposes of CLAUSE (Y)
below, all omissions with respect to the foregoing) that are done or made by
the Board of Directors (with, where specifically provided for in this
Agreement, the concurrence of the Continuing Directors) in good faith, will (x)
be final, conclusive, and binding on the Company, the Rights Agent, the holders
of the Rights, and all other parties, and (y) not subject the Board of
Directors or the Continuing Directors to any liability to the holders of the
Rights.

       Section 30.   Benefits of this Agreement.  Nothing in this Agreement
will be construed to give to any Person other than the Company, the Rights
Agent, and the registered holders of the Rights Certificates (and, prior to the
Distribution Date, registered holders of the Common Stock) any legal or
equitable right, remedy, or claim under this Agreement; and this Agreement will
be for the sole and exclusive benefit of the Company, the Rights Agent, and the
registered holders of the Rights Certificates (and, prior to the Distribution
Date, registered holders of the Common Stock).

       Section 31.   Severability.  If any term, provision, covenant, or
restriction of this Agreement is held by a court of competent jurisdiction or
other authority to be invalid, void, or unenforceable, the remainder of the
terms, provisions, covenants, and restrictions of this Agreement will remain in
full force and effect and will in no way be affected, impaired, or invalidated;
provided, however, that notwithstanding anything in this Agreement to the
contrary, if any such term, provision, covenant, or restriction is held by such
court or authority to be invalid, void, or unenforceable and the Board of
Directors of the Company determines in its good faith judgment that severing
the invalid language from this Agreement would adversely affect the purpose or
effect of this Agreement, the right of redemption set forth in SECTION 23 will
be reinstated and will not expire until the Close of Business on the tenth
Business Day following the date of such determination by the Board of
Directors.  Without limiting the foregoing, if any provision requiring action
by a Requisite Majority is held by any court of competent jurisdiction or other
authority to be invalid, void, or unenforceable, such determination will then
be made by the Board of Directors of the Company in accordance with applicable
law and the Company's articles of incorporation and by-laws.

       SECTION 32.   GOVERNING LAW.  THIS AGREEMENT, EACH RIGHT, AND EACH
RIGHTS CERTIFICATE ISSUED UNDER THIS AGREEMENT WILL BE DEEMED TO BE A CONTRACT
MADE UNDER THE LAWS OF THE STATE OF TEXAS AND FOR ALL PURPOSES WILL BE GOVERNED
BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF SUCH STATE APPLICABLE TO
CONTRACTS MADE AND TO BE PERFORMED ENTIRELY WITHIN SUCH STATE.

       Section 33.   Counterparts.  This Agreement may be executed in any
number of counterparts and each of such counterparts will for all purposes be
deemed to be an original, and all such counterparts will together constitute
but one and the same instrument.





                                       33
<PAGE>   37
       Section 34.   Interpretation.  Descriptive headings of the several
Sections of this Agreement are inserted for convenience only and will not
control or affect the meaning or construction of any of the provisions of this
Agreement.  References in this Agreement to Sections and Exhibits are
references to the Sections of and Exhibits to this Agreement unless the context
requires otherwise.  In this Agreement, the word "or" is not exclusive.

       IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed and their respective corporate seals to be hereunto affixed and
attested, all as of the day and year first above written.



Attest:                                    PEERLESS MFG. CO.

                                           By:                                
                                              --------------------------------
                                                 Sherrill Stone,
                                                 Chief Executive Officer


Attest:                                    CHASEMELLON SHAREHOLDER
                                             SERVICES, L.L.C.

                                           By:                                
                                              --------------------------------
                                           Name:                              
                                                ------------------------------
                                           Title:                             
                                                 -----------------------------





                                       34
<PAGE>   38
                                                                       Exhibit A
                                                             to Rights Agreement
Certificate No. R-
                          FORM OF RIGHTS CERTIFICATE


                               ________ Rights

       NOT EXERCISABLE AFTER MAY 22, 2007 OR EARLIER IF REDEEMED BY THE
COMPANY.  THE RIGHTS ARE SUBJECT TO REDEMPTION, AT THE OPTION OF THE COMPANY,
AT $0.01 PER RIGHT ON THE TERMS SET FORTH IN THE RIGHTS AGREEMENT.  UNDER
CERTAIN CIRCUMSTANCES, RIGHTS BENEFICIALLY OWNED BY AN ACQUIRING PERSON (AS
SUCH TERMS ARE DEFINED IN THE RIGHTS AGREEMENT) AND ANY SUBSEQUENT HOLDER OF
SUCH RIGHTS MAY BECOME NULL AND VOID.

                              Rights Certificate

                              PEERLESS MFG. CO.

       This certifies that _____________, or registered assigns, is the
registered owner of the number of Rights set forth above, each of which
entitles the owner thereof, subject to the terms, provisions, and conditions of
the Rights Agreement, dated as of May 22, 1997 (as amended from time to time,
the "Rights Agreement"), between Peerless Mfg. Co., a Texas corporation (the
"Company"), and ChaseMellon Shareholder Services, L.L.C. (the "Rights Agent"),
to purchase from the Company at any time prior to 5:00 p.m. (Dallas, Texas
time) on May 22, 2007 at the office or offices of the Rights Agent designated
for such purpose, or its successors as Rights Agent, one fully paid,
nonassessable share of Common Stock (the "Common Stock") of the Company, at a
purchase price of $30.00 per share (the "Purchase Price"), upon presentation
and surrender of this Rights Certificate with the Form of Election to Purchase
and related Certificate duly executed.  The number of Rights evidenced by this
Rights Certificate (and the number of shares that may be purchased upon
exercise thereof) set forth above, and the Purchase Price per share set forth
above, are the number and Purchase Price as of June 2, 1997 based on the Common
Stock as constituted at such date.  As provided in the Rights Agreement, the
Purchase Price and the number and kind of shares of Common Stock or other
securities, that may be purchased upon the exercise of the Rights evidenced by
this Rights Certificate are subject to modification and adjustment upon the
happening of certain events.

       This Rights Certificate is subject to all of the terms, provisions, and
conditions of the Rights Agreement, which terms, provisions, and conditions are
incorporated herein by reference and made a part of this certificate and to
which Rights Agreement reference is hereby made for a full description of the
rights, limitations of rights, obligations, duties, and immunities hereunder of
the Rights Agent, the Company, and the holders of the Rights Certificates,
which limitations of rights include the temporary suspension of the
exercisability of such Rights under the certain circumstances set forth in the
Rights Agreement.  Copies of the Rights Agreement are on file at





                                       1
<PAGE>   39
the office of the Rights Agent and are also available upon written request to
the Rights Agent.  All capitalized terms not otherwise defined have the meaning
set forth in the Rights Agreement.

       Upon the occurrence of a Section 11(a)(ii) Event, if the Rights
evidenced by this Rights Certificate are beneficially owned by (i) an Acquiring
Person or an Affiliate or Associate of any such Acquiring Person, (ii) a
transferee of any such Acquiring Person, Associate, or Affiliate, or (iii)
under certain circumstances specified in the Rights Agreement, a transferee of
a Person who, after such transfer, became an Acquiring Person or an Affiliate
or Associate of an Acquiring Person, such Rights will become null and void and
no holder of this certificate will have any right with respect to such Rights
from and after the occurrence of such Section 11(a)(ii) Event.

       This Rights Certificate, with or without other Rights Certificates, upon
surrender at the principal office or offices of the Rights Agent designated for
such purpose, may be exchanged for another Rights Certificate or Rights
Certificates of like tenor and date evidencing Rights entitling the holder to
purchase a like aggregate number of shares of Common Stock as the Rights
evidenced by the Rights Certificate or Rights Certificates surrendered have
entitled such holder to purchase.  If this Rights Certificate is exercised in
part, the holder will be entitled to receive upon surrender of this certificate
another Rights Certificate or Rights Certificates for the number of whole
Rights not exercised.

       Subject to the provisions of the Rights Agreement, the Rights evidenced
by this Certificate may be redeemed by the Company at its option at a
redemption price of $0.01 per Right.  In addition, in certain circumstances the
Rights may be exchanged, in whole or in part, for shares of the Common Stock.
Immediately upon the action of the Board of Directors of the Company
authorizing any such exchange, and without any further action or any notice,
the Rights (other than Rights that are not subject to such exchange) will
terminate and the Rights will only enable holders to receive the shares
issuable upon such exchange.  Under certain circumstances set forth in the
Rights Agreement, the decision to redeem the Rights will require the
concurrence of a majority of the Continuing Directors.

       No fractional shares of Common Stock will be issued upon the exercise of
any Right or Rights evidenced hereby, but in lieu thereof a cash payment will
be made, as provided in the Rights Agreement.

       No holder of this Rights Certificate will be entitled to vote or receive
dividends or be deemed for any purpose the holder of shares of Common Stock or
of any other securities of the Company that may at any time be issuable on the
exercise hereof, nor will anything contained in the Rights Agreement or herein
be construed to confer upon the holder of this certificate, as such, any of the
rights of a stockholder of the Company or any right to vote for the election of
directors or upon any matter submitted to stockholders at any meeting thereof,
or to give or withhold consent to any corporate action, or, to receive notice
of meetings or other actions affecting stockholders (except as provided in the
Rights Agreement), or to receive dividends or subscription rights, or
otherwise, until the Right or Rights evidenced by this Rights Certificate have
been exercised as provided in the Rights Agreement.





                                       2
<PAGE>   40
       This Rights Certificate will not be valid or obligatory for any purpose
until it has been countersigned by the Rights Agent.

       WITNESS the facsimile signature of the proper officers of the Company
and its corporate seal.



Dated as of ____________________

ATTEST:                                    PEERLESS MFG. CO.


                                           By:
- ----------------------------                  ---------------------------------
                                           Title:
Countersigned:                                   ------------------------------


- ----------------------------

By
  --------------------------
       Authorized Signature





                                       3
<PAGE>   41
                   FORM OF REVERSE SIDE OF RIGHTS CERTIFICATE

                               FORM OF ASSIGNMENT

       (To be executed by the registered holder if such holder desires to
transfer the Rights Certificate.)

          FOR VALUE RECEIVED hereby sells, assigns, and transfer unto

       (Please print name and address of transferee)

       This Rights Certificate, together with all right, title, and interest
therein, and does hereby irrevocably constitute and appoint _________________
attorney, to transfer the within Rights Certificate on the books of the within-
named Company, with full power of substitution.



Dated:                                                                        
      ----------------------                  ---------------------------------
                                              Signature

Signature Guaranteed:


                                  Certificate

The undersigned hereby certifies by checking the appropriate boxes that:

(1)    this Rights Certificate [  ] is [  ] is not being sold, assigned, or
transferred by or on behalf of a Person who is or was an Acquiring Person or an
Affiliate or Associate of any such Acquiring Person (as such terms are defined
pursuant to the Rights Agreement);

(2)    after due inquiry and to the best knowledge of the undersigned, it [  ]
did [  ] did not acquire the Rights evidenced by this Rights Certificate from
any Person who is, was or subsequently became an Acquiring Person or an
Affiliate or Associate of an Acquiring Person.


Dated:                                                                        
      ----------------------                  ---------------------------------
                                              Signature


Signature Guaranteed:


       Signatures must be guaranteed by a member firm of a registered national
securities exchange, a member of the National Association of Securities
Dealers, Inc., or a commercial bank or trust company having an office or
correspondent in the United States.





                                       4
<PAGE>   42
                          FORM OF ELECTION TO PURCHASE

       The signature to the foregoing Assignment and Certificate must
correspond to the name as written upon the face of this Rights Certificate in
every particular, without alteration or enlargement or any change whatsoever.


To:    PEERLESS MFG. CO.:

       The undersigned hereby irrevocably elects to exercise __________ Rights
represented by this Rights Certificate to purchase the shares of Common Stock
issuable upon the exercise of the Rights (or such other securities of the
Company or of any other person that may be issuable upon the exercise of the
Rights) and requests that certificates for such shares be issued in the name of
and delivered to:

       Please insert social security or other identifying number:
                                                                 ---------------
       Please print name and address:
                                     -------------------------------------------

       -------------------------------------------------------------------------

       If such number of Rights are not all the Rights evidenced by this Rights
Certificate, a new Rights Certificate for the balance of such Rights will be
registered in the name of and delivered to:


       Please insert social security or other identifying number:
                                                                 ---------------
       Please print name and address:
                                     -------------------------------------------

       -------------------------------------------------------------------------



Dated:                                                                        
      ----------------------                  ---------------------------------
                                              Signature

Signature Guaranteed:





                                       5
<PAGE>   43
                                  Certificate

The undersigned hereby certifies by checking the appropriate boxes that:

       (1) the Rights evidenced by this Rights Certificate [  ] are [  ] are
not being exercised by or on behalf of a Person who is or was an Acquiring
Person or an Affiliate or Associate of any such Acquiring Person (as such terms
are defined pursuant to the Rights Agreement);

       (2) after due inquiry and to the best knowledge of the undersigned, it [
] did [  ] did not acquire the Rights evidenced by this Rights Certificate from
any Person who is, was or became an Acquiring Person or an Affiliate or
Associate of an Acquiring Person.



Dated:               
      --------------------------               ------------------------------
                                               Signature
Signature Guaranteed:


       Signatures must be guaranteed by a member firm of a registered national
securities exchange, a member of the National Association of Securities
Dealers, Inc., or a commercial bank or trust company having an office or
correspondent in the United States.





                                       6
<PAGE>   44
                                                                       Exhibit B
                                                             to Rights Agreement

                         SUMMARY OF RIGHTS TO PURCHASE
                    SHARES OF PEERLESS MFG. CO. COMMON STOCK


       On May 21, 1997, the Board of Directors of Peerless Mfg. Co. (the
"Company") declared a dividend of one common share purchase right (a "Right")
for each outstanding share of common stock, $1.00 par value (the "Common
Shares"), of the Company.  The dividend was made to the shareholders of record
at the close of business on June 2, 1997 (the "Record Date").  Each Right
entitles the registered holder to purchase from the Company one Common Share at
a price of $30.00 (the "Purchase Price"), subject to adjustment.  The
description and terms of the Rights are set forth in a Rights Agreement dated
as of May 22, 1997 (the "Rights Agreement") between the Company and ChaseMellon
Shareholder Services, L.L.C. as Rights Agent (the "Rights Agent").

       Until the earlier to occur of (i) ten Business Days following a public
announcement that a person or group of affiliated or associated persons has
acquired, or obtained the right to acquire, beneficial ownership of 20% or more
of the outstanding Common Shares (an "Acquiring Person") or (ii) ten Business
Days following the commencement of, or announcement of an intention to make, a
tender offer or exchange offer, the consummation of which would result in the
beneficial ownership by a person or group of 20% or more of such outstanding
Common Shares (the earlier of such dates being the "Distribution Date"), the
Rights will be evidenced, with respect to any of the Common Share certificates
outstanding as of the Record Date, by such Common Share certificate with a copy
of this Summary of Rights attached to the certificate.

       The Rights Agreement provides that, until the Distribution Date, the
Rights will be transferred with and only with the Common Shares.  Until the
Distribution Date (or earlier redemption or expiration of the Rights), new
Common Share certificates issued after the Record Date upon transfer or new
issuance of Common Shares will contain a notation incorporating the Rights
Agreement by reference.  Until the Distribution Date (or earlier redemption or
expiration of the Rights), the surrender for transfer of any certificates for
Common Shares outstanding even without such notation or a copy of this Summary
of Rights being attached to such Certificate, will also constitute the transfer
of the Rights associated with the Common Shares represented by such
certificate.  As soon as practicable following the Distribution Date, separate
certificates evidencing the Rights (the "Right Certificates") will be mailed to
holders of record of the Common Shares as of the close of business on the
Distribution Date and such separate Right Certificates alone will evidence the
Rights.

       The Rights are not exercisable until the Distribution Date.  The Rights
will expire on May 22, 2007 (the "Final Expiration Date"), unless the Final
Expiration Date is extended or unless the Rights are earlier redeemed by the
Company, in each case, as described below.




                                     B-1
<PAGE>   45
       The Purchase Price payable and the number of Common Shares or other
securities or property issuable upon exercise of the Rights are subject to
adjustment from time to time to prevent dilution (i) in the event of a stock
dividend on, or a subdivision, combination, or reclassification of, the Common
Shares, (ii) upon the grant to holders of the Common Shares of certain rights
or warrants to subscribe for or purchase Common Shares at a price or securities
convertible into Common Shares with a conversion price less than the then
current market price of the Common Shares; or (iii) upon the distribution to
holders of the Common Shares of evidences of indebtedness, cash (other than
regular cash dividends out of the Company's earnings or retained earnings), or
assets.

       In the event that any person or entity becomes an Acquiring Person (the
beneficial owner of 20% or more of the Common Shares), provision will be made
so that each Right, other than Rights beneficially owned by the Acquiring
Person (which will then be void), will entitle the holder to purchase that
number of Common Shares having a market value of two times the then current
Purchase Price of the Right.

       The Rights Agreement excludes from the definition of Acquiring Person,
Persons who certify to the Company that they inadvertently acquired in excess
of 19.9% of the outstanding Common Shares and thereafter divest such excess
Common Shares or who acquire 20% or more of the Common Shares in a Permitted
Transaction.  A "Permitted Transaction" is a stock acquisition or tender or
exchange offer pursuant to a definitive agreement which would result in a
person beneficially owning 20% or more of the Common Shares and which has been
approved by the Board of Directors (including a majority of the Directors not
in association with an Acquiring Person) prior to the execution of the
agreement or the public announcement of the offer.

       In the event that the Company is acquired in a merger or other business
combination transaction, or 50% or more of its consolidated assets or earning
power are sold, proper provisions will be made so that each Right will entitle
the holder to purchase that number of shares of common stock of the acquiring
company that at the time of such transaction will have a market value of two
times the then current Purchase Price of the Right.

       No adjustment in the Purchase Price will be required until cumulative
adjustments require an adjustment of at least 1% in the Purchase Price.  With
certain exceptions, no fractional Common Shares will be issued and, in lieu of
such fractional shares, an adjustment in cash will be made based on the market
price of the Common Shares on the last trading day prior to the date of
exercise.

       After a person becomes an Acquiring Person, the Company's Board of
Directors may exchange the Rights, other than those Rights owned by the
Acquiring Person, in whole or in part, at an exchange ratio of one Common Share
per Right, subject to adjustment.  However, the Board of Directors cannot
conduct an exchange at any time after any Person, together with its Affiliates
and Associates, becomes the Beneficial Owner of 50% or more of the outstanding
Common Stock.




                                     B-2
<PAGE>   46
       At any time within ten Business Days following the date that any Person
becomes an Acquiring Person, a Requisite Majority may redeem the Rights in
whole, but not in part, at a price of $0.01 per Right (the "Redemption Price").
In addition, the Board of Directors may extend or reduce the period during
which the Rights are redeemable, so long as the Rights are redeemable at the
time of such extension or reduction.  Immediately upon any redemption of the
Rights, the right to exercise the Rights will terminate and the only right of
the holders of Rights will be to receive the Redemption Price.

       The terms of the Rights may be amended by the Board of Directors of the
Company without the consent of the holders of the Rights, including an
amendment to extend the Final Expiration Date, except that from and after the
date any Person becomes an Acquiring Person, no such amendment may adversely
affect the economic interests of the holders of the Rights.

       Until a Right is exercised, the holder of the Right, as such, will have
no rights as a shareholder of the Company, including, without limitation, the
right to vote or to receive dividends.






                                     B-3


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