AAR CORP
8-A12B, 1997-08-04
MACHINERY, EQUIPMENT & SUPPLIES
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                                UNITED STATES
                     SECURITIES AND EXCHANGE COMMISSION
                           Washington, D.C. 20549

                                  FORM 8-A


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


                                  AAR CORP.
           (Exact name of registrant as specified in its charter)


              Delaware                               36-2334820
     (State of incorporation or                   (I.R.S. Employer
           organization)                         Identification No.)



           1100 North Wood Dale Road                    60191
              Wood Dale, Illinois
        (Address of principal executive              (Zip Code)
                   offices)


                                       
   Securities to be registered pursuant to Section 12(b) of the Act:


       Title of each class          Name of each exchange on which
       to be so registered          each class is to be registered

      Common Stock Purchase            New York Stock Exchange
              Rights


   Securities to be registered pursuant to Section 12(g) of the Act:

                                    NONE
                              (Title of Class)

<PAGE>  2





   ITEM 1.   DESCRIPTION OF SECURITIES TO BE REGISTERED.

        On July 8, 1997, the Board of Directors of AAR CORP. (the
   "Company") declared a dividend distribution of one Right for each
   outstanding share of Common Stock, $1.00 par value (the "Common
   Stock"), of the Company to the stockholders of record on August 6,
   1997 (the "Record Date"). Each Right entitles the registered holder to
   purchase from the Company one share of Common Stock at a price of $125
   per share (the "Purchase Price"), subject to adjustment. The
   description and terms of the Rights are set forth in a Rights
   Agreement (the "Rights Agreement") between the Company and The First
   National Bank of Chicago, as Rights Agent (the "Rights Agent").  The
   Rights replace the common stock purchase rights which were initially
   distributed to the Company's stockholders in 1987 and which expired by
   their own terms on August 6, 1997.

        Until the earlier to occur of (i) the tenth business day after a
   public announcement that a person or group of affiliated or associated
   persons acquired, or obtained the right to acquire, beneficial
   ownership of 15% or more of the outstanding shares of Common Stock of
   the Company (such person or group being called an "Acquiring Person"
   and such date of first public announcement being called the "Stock
   Acquisition Date"), or (ii) the tenth business day after the
   commencement or announcement of an intention to make a tender offer or
   exchange offer which would result in any person or group of affiliated
   or associated persons becoming an Acquiring Person (the earlier of
   such dates being called the "Distribution Date"), the Rights will be
   evidenced, with respect to any of the Company's Common Stock
   certificates outstanding as of the Record Date, by such Common Stock
   certificate with a copy of this Summary of Rights attached thereto.
   The Rights Agreement provides that, until the Distribution Date, the
   Rights will be transferred with and only with the Company's Common
   Stock.  Until the Distribution Date (or earlier redemption or
   expiration of the Rights), new Common Stock certificates issued after
   the Record Date upon transfer or new issuance of the Company's Common
   Stock 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 of the
   Company's Common Stock certificates outstanding as of the Record Date
   will also constitute the transfer of the Rights associated with the
   Common Stock represented by such certificate.  As soon as practicable
   following the Distribution Date, separate certificates evidencing the
   Rights ("Rights Certificates") will be mailed to holders of record of
   the Company's Common Stock as of the close of business on the
   Distribution Date and, thereafter, such separate Rights Certificates
   alone will evidence the Rights.

        The Rights are not exercisable until the Distribution Date.  The
   Rights will expire on August 6, 2007, unless earlier redeemed by the
   Company as described below.

        The Purchase Price payable, and the number of shares of Common
   Stock or other securities or property issuable, upon exercise of the
   Rights are subject to adjustment from time to time to prevent dilution

<PAGE>  3





   (i) in the event of a stock dividend on, or a subdivision, combination
   or reclassification of the Common Stock, (ii) upon the grant to
   holders of Common Stock of certain rights, options or warrants to
   subscribe for shares of Common Stock or convertible securities at less
   than the current market price of the Common Stock or (iii) upon the
   distribution to holders of Common Stock of evidences of indebtedness
   or assets (excluding (a) a regular periodic cash dividend or (b) a
   dividend payable in Common Stock) or of subscription rights, options
   or warrants (other than those referred to above).

        In the event that a person becomes the beneficial owner of 15% or
   more of the outstanding shares of Common Stock (i.e., becomes an
   Acquiring Person), each holder of a Right, other than Rights
   beneficially owned by the Acquiring Person (which will be void),  will
   have the right to receive upon exercise thereof, that number of shares
   of Common Stock  having a market value of two times the exercise price
   of the Right (such right being called the "Flip-In" right).

        In the event that, on or after the Stock Acquisition Date, the
   Company were acquired in a merger or other business combination, or
   50% or more of its assets or earning power were sold, proper provision
   shall be made so that each holder of a Right shall thereafter have the
   right to receive, upon the exercise thereof at the then current
   exercise price of the Right, that number of shares of common stock of
   the acquiring company which at the time of such transaction would have
   a market value of two times the exercise price of the Right.  In the
   event that the Company were the surviving corporation in a merger
   involving the Acquiring Person and the Common Stock were not changed
   or exchanged, proper provision shall be made so that each holder of a
   Right, other than Rights beneficially owned by the Acquiring Person
   (which will be void), will thereafter have the right to receive upon
   exercise that number of shares of the Common Stock having a market
   value of two times the exercise price of the Right (such right being
   called the "Flip-Over" right).  The holder of a right will no longer
   have a Flip-Over right if, and to the extent that, he has exercised
   his Flip-In right.

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

        At any time prior to the tenth day after the time that there is
   an Acquiring Person, the Company may, at its option, redeem the Rights
   in whole but not in part, at a price of $0.01 per Right (the
   "Redemption Price").  Immediately upon the authorization of the
   redemption of the Rights by the Board of Directors of the Company, the
   Rights will terminate and the only right of the holders of Rights will
   be to receive the Redemption Price.

<PAGE>  4




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

        The Board of Directors of the Company may amend the Rights
   Agreement from time to time, provided that any such changes do not
   adversely affect the interest of the holders of the Rights, and
   provided further that the Rights Agreement may not be supplemented or
   amended in any way after an Acquiring Person has become such.

        One Right will be distributed to shareholders of the Company for
   each share of Common Stock owned of record by them as of the close of
   business on August 6, 1997.  Until the Distribution Date, the Company
   will issue one Right with each share of Common Stock that shall become
   outstanding so that all shares of Common Stock will have attached 
   Rights.  As of July 31, 1997, there were 18,341,213 shares of Common
   Stock issued.

        The Rights have certain anti-takeover effects.  The Rights may
   cause substantial dilution to a person or group that attempts to
   acquire the Company on terms not approved in advance by the Board of
   Directors of the Company.  The Rights should not interfere with any
   merger or other business combination approved by the Board of
   Directors prior to the time that a person or group has acquired
   beneficial ownership of 15% or more of the Common Stock, since until
   such time the Rights may be redeemed by the Company at $.01 per Right.

        The present dividend distribution of the Rights is not taxable to
   the Company or its shareholders.  The Rights are not dilutive and will
   not affect reported earnings per share.  The Company will receive no
   proceeds from the issuance of the Rights as a dividend.

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

        The Rights Agreement between the Company and the Rights Agent
   specifying the terms of the Rights, including the form of Rights
   Certificate and the Summary of Rights is attached hereto as an exhibit
   and incorporated herein by reference.  A copy of the Rights Agreement
   is available free of charge from the Company.  The foregoing
   description of the Rights does not purport to be complete and is
   qualified in its entirety by reference to the Rights Agreement.

   ITEM 2.   EXHIBITS.

        I.   Rights Agreement dated as of July 8, 1997 between AAR CORP.
             and First Chicago Trust Company of New York as Rights Agent.

<PAGE>  5





                                  SIGNATURE


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





   (Registrant)  AAR CORP.

   Date   August 4, 1997
        ---------------------------------
   By:     /s/ Howard A. Pulsifer
        ---------------------------------
        Howard A. Pulsifer
        Vice President, Secretary
           and General Counsel

<PAGE>  6



                                EXHIBIT INDEX


   EXHIBIT                                                           PAGE

      4      Rights Agreement dated as of July 8, 1997
             between AAR CORP. and First Chicago Trust Company
             of New York, as Rights Agent                                 
                                                                      8

 









   _____________________________________________________________________







                                  AAR CORP.



                                     and


                  FIRST CHICAGO TRUST COMPANY OF NEW YORK,

                                Rights Agent




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




                              Rights Agreement

                          Dated as of July 8, 1997





   _____________________________________________________________________<PAGE>





   <PAGE>  8

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

                                                                     Page
                                                                     ----

   Section 1.     CERTAIN DEFINITIONS  . . . . . . . . . . . . . . .   10

   Section 2.     APPOINTMENT OF RIGHTS AGENT  . . . . . . . . . . .   13

   Section 3.     ISSUE OF RIGHT CERTIFICATES  . . . . . . . . . . .   13

   Section 4.     FORM OF RIGHT CERTIFICATES . . . . . . . . . . . .   14

   Section 5.     COUNTERSIGNATURE AND REGISTRATION  . . . . . . . .   15

   Section 6.     TRANSFER, SPLIT UP, COMBINATION AND EXCHANGE OF
                  RIGHT CERTIFICATES; MUTILATED, DESTROYED, LOST OR
                  STOLEN RIGHT CERTIFICATES  . . . . . . . . . . . .   16

   Section 8.     CANCELLATION AND DESTRUCTION OF RIGHT
                  CERTIFICATES . . . . . . . . . . . . . . . . . . .   19

   Section 9.     RESERVATION AND AVAILABILITY OF SHARES OF COMMON
                  STOCK  . . . . . . . . . . . . . . . . . . . . . .   19

   Section 10.    COMMON STOCK RECORD DATE . . . . . . . . . . . . .   20

   Section 11.    ADJUSTMENT OF PURCHASE PRICE, NUMBER OF SHARES OR
                  NUMBER OF RIGHTS . . . . . . . . . . . . . . . . .   20

   Section 12.    CERTIFICATE OF ADJUSTED PURCHASE PRICE OR NUMBER
                  OF SHARES  . . . . . . . . . . . . . . . . . . . .   27

   Section 13.    CONSOLIDATION, MERGER OR SALE OR TRANSFER OF
                  ASSETS OR EARNING POWER  . . . . . . . . . . . . .   28

   Section 14.    ADDITIONAL COVENANTS . . . . . . . . . . . . . . .   30

   Section 15.    FRACTIONAL RIGHTS AND FRACTIONAL SHARES  . . . . .   31

   Section 16.    RIGHTS OF ACTION . . . . . . . . . . . . . . . . .   32

   Section 17.    AGREEMENT OF RIGHT HOLDERS . . . . . . . . . . . .   32

   Section 18.    RIGHT CERTIFICATE HOLDER NOT DEEMED A STOCKHOLDER    33

   Section 19.    CONCERNING THE RIGHTS AGENT  . . . . . . . . . . .   33

   Section 20.    MERGER OR CONSOLIDATION OR CHANGE OF NAME OF 
                  RIGHTS AGENT . . . . . . . . . . . . . . . . . . .   33






   <PAGE>  9

   Section 21.    TERMS AND CONDITIONS TO DUTIES OF RIGHTS AGENT . .   34

   Section 22.    CHANGE OF RIGHTS AGENT . . . . . . . . . . . . . .   36

   Section 23.    ISSUANCE OF NEW RIGHT CERTIFICATES . . . . . . . .   37

   Section 24.    REDEMPTION . . . . . . . . . . . . . . . . . . . .   37

   Section 25.    EXCHANGE . . . . . . . . . . . . . . . . . . . . .   38

   Section 26.    NOTICE OF CERTAIN EVENTS . . . . . . . . . . . . .   39

   Section 27.    NOTICES  . . . . . . . . . . . . . . . . . . . . .   40

   Section 28.    SUPPLEMENTS AND AMENDMENTS . . . . . . . . . . . .   40

   Section 29.    DETERMINATION AND ACTIONS BY THE BOARD OF
                  DIRECTORS, ETC.  . . . . . . . . . . . . . . . . .   41

   Section 30.    SUCCESSORS . . . . . . . . . . . . . . . . . . . .   41

   Section 31.    BENEFITS OF THIS AGREEMENT . . . . . . . . . . . .   41

   Section 32.    GOVERNING LAW  . . . . . . . . . . . . . . . . . .   41

   Section 33.    COUNTERPARTS . . . . . . . . . . . . . . . . . . .   42

   Section 34.    DESCRIPTIVE HEADINGS . . . . . . . . . . . . . . .   42

   Section 35.    SEVERABILITY . . . . . . . . . . . . . . . . . . .   42


        Exhibit A - Form of Rights Certificate                         43

        Exhibit B - Form of Summary of Rights                          49





   <PAGE>  10

                              RIGHTS AGREEMENT


             This Agreement, dated as of July 8, 1997, between AAR CORP.,
   a Delaware corporation (the "Company"), and First Chicago Trust
   Company of New York, a national banking association (the "Rights
   Agent").


                             W I T N E S S E T H


             WHEREAS, the Board of Directors of the Company has
   authorized and declared a dividend distribution (the "Distribution")
   of one Right (as hereinafter defined) for each share of Common Stock,
   $1.00 par value, of the Company outstanding at the close of business
   on August 6, 1997 (the "Record Date") and has further authorized the
   issuance of one Right in respect of each share of Common Stock of the
   Company issued between such date and the earlier of the Distribution
   Date or the Expiration Date (as such terms are hereinafter defined),
   each Right initially representing the right to purchase one share of
   Common Stock of the Company (the "Rights"), all upon the terms, with
   the adjustments and subject to the conditions hereinafter set forth;


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

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

             (a)  "Acquiring Person" shall mean any Person who or which,
   together with all Affiliates and Associates of such Person, without
   prior approval of the Company shall be the Beneficial Owner of a
   Substantial Block or who was such a Beneficial Owner at any time after
   the date hereof, whether or not such Person continues to be the
   Beneficial Owner of a Substantial Block, but shall not include the
   Company, any Subsidiary of or other Person controlled by the Company,
   any employee benefit plan of the Company or of any Subsidiary of the
   Company or any Person appointed as trustee by the Company or such Sub-
   sidiary pursuant to the terms of any such plan in that Person's
   capacity as trustee.  Notwithstanding the foregoing, no Person shall
   become an "Acquiring Person" (i) as a result of the acquisition of
   shares of Common Stock by the Company which, by reducing the number of
   shares of Common Stock outstanding, increases the proportional number
   of shares beneficially owned by such Person together with all
   Affiliates and Associates of such Person; provided however, that if
   (1) a Person would become an Acquiring Person (but for the operation
   of this subclause (i)) as a result of the acquisition of shares of
   Common Stock by the Company, and (2) after such share acquisition by
   the Company, such Person, or an Affiliate or Associate of such Person,





   <PAGE>  11

   becomes the Beneficial Owner of any additional shares of Common Stock,
   then such Person shall be deemed an Acquiring Person; or (ii) if the
   Board of Directors determines that such Person became an Acquiring
   Person inadvertently, and such Person promptly divests itself of a
   sufficient number of shares of Common Stock so that such Person is the
   Beneficial Owner of such number of shares of Common Stock so that such
   Person no longer would be an Acquiring Person. 

             (b)  "Affiliate" and "Associate" shall have the respective
   meanings ascribed to such terms in Rule 12b-2 of the General Rules and
   Regulations under the Securities Exchange Act of 1934 (the "Exchange
   Act"), as in effect on the date of this Agreement, but shall not
   include the Company, any Subsidiary of or other Person controlled by
   the Company, any employee benefit plan of the Company or of any
   Subsidiary of the Company or any Person appointed as trustee by the
   Company or such Subsidiary pursuant to the terms of any such plan in
   that Person's capacity as trustee.

             (c)  A Person shall be deemed the "Beneficial Owner" of and
   shall be deemed to "beneficially own" any securities:

                  (i)  of which such Person or any of such Person's
             Affiliates or Associates directly or indirectly has
             "beneficial ownership," as determined pursuant to Rule 13d-3
             of the General Rules and Regulations under the Exchange Act,
             as in effect on the date of this Agreement;

                  (ii)  which such Person or any of such Person's
             Affiliates or Associates directly or indirectly has (A) the
             right to acquire (whether such right is exercisable immedi-
             ately or only after the passage of time) pursuant to any
             agreement, arrangement or understanding (whether or not in
             writing), or upon the exercise of conversion rights,
             exchange rights, rights (other than the Rights), warrants or
             options, or otherwise; provided, however, that a Person
             shall not be deemed the Beneficial Owner of, or to "bene-
             ficially own," securities tendered pursuant to a tender or
             exchange offer made by or on behalf of such Person or any of
             such Person's Affiliates or Associates until such tendered
             securities are accepted for purchase; or (B) the right
             (whether sole or shared) to vote or dispose of pursuant to
             any agreement, arrangement or understanding (whether or not
             in writing); provided, however, that a Person shall not be
             deemed the Beneficial Owner of, or to "beneficially own,"
             any security under this clause (B) pursuant to an agreement,
             arrangement or understanding to vote such security that (1)
             arises solely from a revocable proxy or consent given in
             response to a public proxy or consent solicitation made
             pursuant to, and in accordance with, the Exchange Act and
             the rules and regulations thereunder and (2) is not also
             then required to be reported as beneficially owned on a





   <PAGE>  12

             Schedule 13D under the Exchange Act (or any comparable or
             successor report); or

                  (iii)  which are beneficially owned, directly or
             indirectly, by any other Person (or any Affiliate or
             Associate thereof) 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 clause (B) of sub-
             paragraph (ii) of this paragraph (c)) or disposing of any
             securities of the Company.

        Notwithstanding anything in this definition of Beneficial
   Ownership to the contrary, the phrase "then outstanding," when used
   with reference to a Person's Beneficial Ownership of securities of the
   Company, shall mean the number of such securities then issued and
   outstanding together with the number of such securities not then
   actually issued and outstanding which such Person would be deemed to
   own beneficially hereunder. 

             (d)  "Business Day" shall mean any day other than a
   Saturday, Sunday or a legal holiday for banking institutions in the
   State of Illinois.

             (e)  "Close of business" on any given date shall mean
   5:00 P.M., Chicago time, on such date; provided, however, that if such
   date is not a Business Day it shall mean 5:00 P.M., Chicago time, on
   the next succeeding Business Day.

             (f)  "Common Stock" when used with reference to the Company
   shall mean the Common Stock, $1.00 par value, of the Company.  "Common
   Stock" when used with reference to any Person other than the Company
   shall mean the capital stock with the greatest aggregate voting power
   or the equity securities or other equity interests having power to
   control or direct the management of such Person or, if such Person is
   a subsidiary of or controlled by another Person, the Person which
   ultimately controls such first-mentioned Person and which has issued
   and outstanding such capital stock, equity securities or equity
   interests.

             (g) "Person" shall mean any individual, firm, corporation,
   partnership, trust, association, joint venture, syndicate or other
   entity, and shall include any successor (by merger or otherwise) of
   such entity.

             (h)  "Stock Acquisition Date" shall mean the first date of
   public announcement (which shall include, without limitation, a report
   filed pursuant to the Exchange Act) by the Company or an Acquiring
   Person of facts that show that an Acquiring Person has become such.





   <PAGE>  13

             (i)  "Subsidiary" of any Person shall mean any corporation
   or other Person of which a majority of the voting power of the voting
   equity securities or equity interest is owned, directly or indirectly,
   by such Person, or which is otherwise controlled by such Person.

             (j)  "Substantial Block" shall mean a number of shares of
   Common Stock of the Company which equals or exceeds 15% of the number
   of shares of Common Stock of the Company then outstanding.

             Section 2.  APPOINTMENT OF RIGHTS AGENT.  The Company hereby
   appoints the Rights Agent to act as agent for the Company and the
   holders of the Rights (who, in accordance with Section 3 hereof, shall
   prior to the Distribution Date also be the holders of the Common
   Stock) in accordance with the terms and conditions hereof, 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.  In the event the Company appoints one or more Co-Rights
   Agents, the respective duties of the Rights Agent and the Co-Rights
   Agents shall be as the Company determines.

             Section 3.  ISSUE OF RIGHT CERTIFICATES.

             (a)  Until the earlier of  the close of business on (i) the
   tenth business day after the Stock Acquisition Date (or, the Record
   Date, if the tenth business day after the Stock Acquisition Date
   occurs before the Record Date), or (ii) the tenth business day after
   the commencement of, or first public announcement of, the intent of
   any Person (other than the Company or any of its subsidiaries or any
   employee benefit plan of the Company or of any subsidiary of the
   Company or any Person appointed as trustee by the Company or such
   subsidiary pursuant to the terms of any such plan in such Person's
   capacity as trustee) to commence (which intention to commence remains
   in effect for five business days after such announcement) a tender or
   exchange offer which would result in such Person becoming an Acquiring
   Person (including any such day which is after the date of this Agree-
   ment and prior to the issuance of the Rights, the earlier of such
   dates being herein referred to as the "Distribution Date"), (x) the
   Rights will be evidenced by the certificates for the Common Stock of
   the Company registered in the names of the holders of the Common Stock
   (which certificates for Common Stock shall be deemed also to be Right
   Certificates) and not by separate Right Certificates, and (y) the
   right to receive Right Certificates will be transferable only in con-
   nection with the transfer of Common Stock.  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 close of business on the Distribution Date, at
   the address of such holder shown on the records of the Company, a
   certificate for Rights, in substantially the form of Exhibit A hereto
   (the "Rights Certificates"), evidencing one Right for each share of
   Common Stock so held.  As of and after the Distribution Date, the
   Rights will be evidenced solely by such Right Certificates.





   <PAGE>  14

             (b)  As soon as practicable after the Record Date, the
   Company will send a copy of a Summary of Rights to Purchase Common
   Stock, in substantially the form attached hereto as Exhibit B (the
   "Summary of Rights"), 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 Record Date, until the Distribution Date, the
   Rights will be evidenced by such certificates for the Common Stock
   registered in the names of the holders of the Common Stock.  Until the
   Distribution Date (or earlier Expiration Date), the surrender for
   transfer of any of the certificates for the Common Stock outstanding
   on the Record Date shall also constitute the transfer of the Rights
   associated with the Common Stock represented by such certificate.

             (c)  Rights shall be issued in respect of all shares of
   Common Stock which become outstanding after the Record Date but prior
   to the earlier of the Distribution Date or the Expiration Date. 
   Certificates representing such shares shall have impressed on, printed
   on, written on or otherwise affixed to them the following legend:

             This certificate also evidences and entitles the holder
             hereof to certain Rights as set forth in a Rights
             Agreement between AAR CORP. and First Chicago Trust
             Company of New York dated as of July 8, 1997 (the
             "Rights Agreement"), the terms of which are hereby
             incorporated herein by reference and a copy of which is
             on file at the principal executive offices of AAR CORP. 
             Under certain circumstances, as set forth in the Rights
             Agreement, such Rights may be redeemed, may expire or
             may be evidenced by separate certificates and will no
             longer be evidenced by this certificate.  AAR CORP.
             will mail to the holder of this certificate a copy of
             the Rights Agreement without charge promptly upon
             receipt of a written request therefor.  Under certain
             circumstances, Rights issued to, or held by, an
             Acquiring Person or Associates or Affiliates of an
             Acquiring Person (as defined in the Rights Agreement)
             and any subsequent holder of such Rights may become
             null and void.

   With respect to such certificates containing the foregoing legend,
   until the Distribution Date, the Rights associated with the Common
   Stock represented by such certificates shall be evidenced by such
   certificates alone, and the surrender for transfer of any of such
   certificates shall also constitute the transfer of the Rights
   associated with the Common Stock represented by such certificate.

             Section 4.  FORM OF RIGHT CERTIFICATES.

             (a)  The Right Certificates (and the forms of election to
   purchase shares and of assignment to be printed on the reverse





   <PAGE>  15

   thereof) shall be substantially the same as Exhibit A hereto and may
   have such marks of identification or designation and such legends,
   summaries or endorsements printed thereon 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 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 hereof, the Right Certificates, whenever
   issued, shall be dated as of the Record Date, and on their face shall
   entitle the holders thereof to purchase such number of shares of
   Common Stock as shall be set forth therein at the price per share set
   forth therein (the "Purchase Price"), but the number of such shares
   and the Purchase Price shall be subject to adjustments as provided
   herein.

             (b)  Any Right Certificate that represents Rights
   beneficially owned by an Acquiring Person or any Associate or
   Affiliate of an Acquiring Person and any Rights Certificate issued at
   any time upon the transfer of any Rights to such an Acquiring Person
   or any Associate or Affiliate thereof or to any nominee of such
   Acquiring Person, Associate or Affiliate, and any Rights Certificate
   issued pursuant to Section 6 or Section 11 upon transfer, exchange,
   replacement or adjustment of any other Rights Certificate referred to
   in this sentence, shall contain the following legend: 

             The Rights represented by this Rights Certificate were
        issued to a Person who was an Acquiring Person or an
        Affiliate or an Associate of an Acquiring Person (as such
        terms are defined in the Rights Agreement, dated as of July
        8, 1997).  This Rights Certificate and the Rights
        represented hereby may become void to the extent provided
        by, and under certain circumstances as specified in, Section
        7(e) of the Rights Agreement. 

   The provisions of Section 7(e) of this Rights Agreement shall be
   operative whether or not the foregoing legend is contained on any such
   Rights Certificate. 

             Section 5.  COUNTERSIGNATURE AND REGISTRATION.

             (a)  The Right Certificates shall be executed on behalf of
   the Company by its Chairman of the Board or its President or any
   Executive or Senior Vice President, either manually or by facsimile
   signature, and have affixed thereto the Company's seal or a facsimile
   thereof which shall be attested by the Secretary or an Assistant
   Secretary of the Company, either manually or by facsimile signature. 
   The Right Certificates shall be countersigned by the Rights Agent
   manually or by facsimile and shall not be valid for any purpose unless
   so countersigned.  In case any officer of the Company who shall have
   signed any of the Right Certificates shall cease to be such officer of
   the Company before countersignature by the Rights Agent and issuance





   <PAGE>  16

   and delivery by the Company, such Right Certificates, nevertheless,
   may be countersigned by the Rights Agent, issued and delivered with
   the same force and effect as though the person who signed such Right
   Certificates had not ceased to be such officer of the Company; and any
   Right Certificate may be signed on behalf of the Company by any person
   who, at the actual date of the execution of such Right Certificate,
   shall be a proper officer of the Company to sign such Right Certifi-
   cate, 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 one of its offices in Chicago, Illinois,
   books for registration and transfer of the Right Certificates issued
   hereunder.  Such books shall show the names and addresses of the
   respective holders of the Right Certificates, the number of Rights
   evidenced on its face by each of the Right Certificates and the date
   of each of the Right Certificates.

             Section 6.  TRANSFER, SPLIT UP, COMBINATION AND EXCHANGE OF
   RIGHT CERTIFICATES; MUTILATED, DESTROYED, LOST OR STOLEN RIGHT
   CERTIFICATES.

             (a)  Subject to the provisions of Section 15 hereof, at any
   time after the close of business on the Distribution Date, and at or
   prior to the close of business on the Expiration Date, any Right
   Certificate or Certificates may be transferred, split up, combined or
   exchanged for another Right Certificate or Right Certificates,
   entitling the registered holder to purchase a like number of shares of
   Common Stock as the Right Certificate or Right Certificates surren-
   dered then entitled such holder to purchase.  Any registered holder
   desiring to transfer, split up, combine or exchange any Right
   Certificate shall make such request in writing delivered to the Rights
   Agent, and shall surrender the Right Certificate or Right Certificates
   to be transferred, split up, combined or exchanged at the principal
   office of the Rights Agent.  Thereupon the Rights Agent shall counter-
   sign and deliver to the person entitled thereto a Right Certificate or
   Right 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 Right Certificates.

             (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 Right Certificate, and, in case of
   loss, theft or destruction, of indemnity or security reasonably
   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 Right
   Certificate if mutilated, the Company will make and deliver a new
   Right Certificate of like tenor to the Rights Agent for delivery to
   the registered owner in lieu of the Right Certificate so lost, stolen,
   destroyed or mutilated.





   <PAGE>  17

             Section 7.  EXERCISE OF RIGHTS; PURCHASE PRICE; EXPIRATION
   DATE OF RIGHTS.  
             (a)  The registered holder of any Right Certificate may
   exercise the Rights evidenced thereby (except as otherwise provided
   herein) in whole or in part at any time after the Distribution Date,
   upon surrender of the Right Certificate, with the form of election to
   purchase on the reverse side thereof duly executed, to the Rights
   Agent at the principal office of the Rights Agent in Chicago,
   Illinois, together with payment of the Purchase Price for each share
   of Common Stock of the Company as to which the Rights are exercised,
   at or prior to the close of business on the earlier of the close of
   business on (i) August 6, 2007 (the "Final Expiration Date"), or (ii)
   the date on which the Rights are redeemed pursuant to Section 24 (such
   earlier date being herein referred to as the "Expiration Date").

             (b)  The Purchase Price for each share of Common Stock
   pursuant to the exercise of a Right shall initially be $125.00, shall
   be subject to adjustment from time to time as provided in Sections 11
   and 13 and shall be payable in lawful money of the United States of
   America in accordance with paragraph (c) below.

             (c)  Upon receipt of a Right Certificate representing
   exercisable Rights, with the form of election to purchase duly
   executed, accompanied by payment of the Purchase Price for the shares
   to be purchased, and an amount equal to any applicable transfer tax in
   cash, or by certified check or bank draft payable to the order of the
   Company, the Rights specified in the election shall be exercised, and
   the Rights Agent shall, subject to Section 21(k), thereupon promptly
   (i) (A) requisition from any transfer agent of the Common Stock of the
   Company (or make available, if the Rights Agent is the transfer agent)
   certificates for the number of shares of Common Stock to be purchased
   (and the Company hereby irrevocably authorizes its transfer agent to
   comply with all such requests), or (B) if the Company, in its sole
   discretion, shall have elected to deposit the shares of Common Stock
   issuable upon exercise of the Rights hereunder into a depositary,
   requisition from the depositary agent depositary 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 shall be deposited by the transfer agent with the depositary
   agent) and the Company will direct the depositary agent to comply with
   such request, (ii) when appropriate, requisition from the Company the
   amount of cash to be paid in lieu of issuance of fractional shares in
   accordance with Section 15, (iii) promptly after receipt of such
   certificates, cause the same to be delivered to or upon the order of
   the registered holder of such Right Certificate, registered in such
   name or names as may be designated by such holder and (iv) when
   appropriate, after receipt promptly deliver such cash to or upon the
   order of the registered holder of such Right Certificate.  The payment
   of the Purchase Price may be made (x) in cash or by certified bank
   check or bank draft payable to the order of the Company, or (y) by
   delivery of a certificate or certificates (with appropriate stock
   powers executed in blank attached thereto) evidencing a number of





   <PAGE>  18

   shares of Common Stock equal to the then Purchase Price divided by the
   closing price (as determined pursuant to Section 11(d) hereof) per
   share of Common Stock on the Trading Day immediately preceding the
   date of such exercise.  In the event that the Company is obligated to
   issue other securities (including shares of Common Stock) of the
   Company, pay cash and/or distribute other property pursuant to Sec-
   tion 11(a) hereof, the Company will make all arrangements necessary so
   that such other securities, cash and/or other property are available
   for distribution by the Rights Agent, if and when appropriate.  In
   addition, in the case of an exercise of the Rights by a holder
   pursuant to Section 11(a)(ii), the Rights Agent shall return such
   Rights Certificate to the registered holder thereof after imprinting,
   stamping or otherwise indicating thereon that the rights represented
   by such Rights Certificate no longer include the rights provided by
   Section 11(a)(ii) of the Rights Agreement and if less than all the
   Rights represented by such Rights Certificate were so exercised, the
   Rights Agent shall indicate on the Rights Certificate the number of
   Rights represented thereby which continue to include the rights
   provided by Section 11(a)(ii). 

             (d)  In case the registered holder of any Right Certificate
   shall exercise (except pursuant to Section 11(a)(ii)) less than all
   the Rights evidenced thereby, a new Right Certificate evidencing
   Rights equivalent to the Rights remaining unexercised shall be issued
   by the Rights Agent to the registered holder of such Right Certificate
   or to his duly authorized assigns, subject to the provisions of Sec-
   tion 15.

             (e)  Notwithstanding anything in this Agreement to the
   contrary, from and after the first occurrence of an event described in
   Section 11(a)(ii), any Rights beneficially owned (including beneficial
   ownership that can be deemed to exist because of the transfer of
   voting rights pursuant to a voting trust or similar arrangement) by an
   Acquiring Person or an Associate or Affiliate of an Acquiring Person
   shall be void and any holder of such Rights shall thereafter have no
   right to exercise such Rights under any provision of this Agreement. 
   No Rights Certificate shall be issued pursuant to Section 3 that
   represents Rights beneficially owned by an Acquiring Person whose
   Rights are void pursuant to the preceding sentence or any Associate or
   Affiliate thereof; no Rights Certificate shall be issued at any time
   upon the transfer of any Rights to an Acquiring Person whose Rights
   are void pursuant to the preceding sentence or any Associate or
   Affiliate thereof or to any nominee of such Acquiring Person,
   Associate or Affiliate; and any Rights Certificate delivered to the
   Rights Agent for transfer to an Acquiring Person (or Associate or
   Affiliate thereof) whose Rights are void pursuant to the preceding
   sentence shall be cancelled.

             (f)  Notwithstanding anything in this Agreement to the
   contrary, the Rights shall not be effectively exercised and neither
   the Rights Agent nor the Company shall be obligated to undertake any
   action with respect to a registered holder upon the occurrence of any





   <PAGE>  19

   purported exercise as set forth in this Section 7, unless such
   registered holder shall have (i) completed and signed the certificate
   contained in the form of election to purchase set forth on the reverse
   side of the Right 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 shall reasonably request.

             Section 8.  CANCELLATION AND DESTRUCTION OF RIGHT
   CERTIFICATES.  All Right Certificates surrendered for the purpose of
   exercise, transfer, split up, combination or exchange shall, if
   surrendered to the Company or to any of its agents, be delivered to
   the Rights Agent for cancellation or in cancelled form, or, if
   surrendered to the Rights Agent, shall be cancelled by it, and no
   Right Certificates shall be issued in lieu thereof except as expressly
   permitted by any of the provisions of this Rights Agreement.  The
   Company shall deliver to the Rights Agent for cancellation and re-
   tirement, and the Rights Agent shall so cancel and retire, any other
   Right Certificate purchased or acquired by the Company otherwise than
   upon the exercise thereof.  The Rights Agent shall deliver all
   cancelled Right Certificates to the Company, or shall, at the written
   request of the Company, destroy such cancelled Right Certificates, and
   in such case shall deliver a certificate of destruction thereof to the
   Company.

             Section 9.  RESERVATION AND AVAILABILITY OF SHARES OF COMMON
   STOCK.

             (a)  The Company covenants and agrees that after the
   occurrence of an event described in Section 11 it will cause to be
   reserved and kept available, and not reserved for other purposes, out
   of its authorized and unissued shares of Common Stock or its autho-
   rized and issued shares of Common Stock held in its treasury, the
   number of shares of Common Stock that will be sufficient to permit the
   exercise in full of all outstanding Rights.

             (b)  So long as the Common Stock issuable upon the exercise
   of Rights may be listed on any national securities exchange, the
   Company shall use its best efforts to cause, from and after the
   Distribution Date, all shares reserved for such issuance to be listed
   on such exchange upon official notice of issuance upon such exercise.

             (c)  The Company covenants and agrees that it will take all
   such action as may be necessary to insure that all shares of Common
   Stock delivered upon exercise of Rights shall, at the time of delivery
   of the certificates for such shares (subject to payment of the
   Purchase Price), be duly and validly authorized and issued and fully
   paid and nonassessable shares.

             (d)  The Company further covenants and agrees that it will
   pay when due and payable any and all federal and state transfer taxes
   and charges which may be payable in respect of the issuance or





   <PAGE>  20

   delivery of the Right Certificates or of any shares of Common Stock
   upon the exercise of Rights. The Company shall not, however, be
   required to pay any transfer tax which may be payable in respect of
   any transfer involved in the transfer or delivery of Right
   Certificates or the issuance or delivery of certificates for Common
   Stock in a name other than that of the registered holder of the Right
   Certificate evidencing Rights surrendered for exercise or to issue or
   deliver any certificates for shares of Common Stock upon the exercise
   of any Rights until any such tax shall have been paid (any such tax
   being payable by the holder of such Right Certificate at the time of
   surrender) or until it has been established to the Company's
   satisfaction that no such tax is due.

             (e)  The Company shall use its best efforts to (i) file, as
   soon as practicable following the Distribution Date, a registration
   statement under the Securities Act of 1933 (the "Act"), with respect
   to the securities purchasable upon exercise of the Rights on an appro-
   priate 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 and the rules and
   regulations thereunder) 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 securities or
   "blue sky" laws of the various states in connection with the exer-
   cisability of the Rights.

             Section 10.  COMMON STOCK RECORD DATE.  Each person in whose
   name any certificate for shares of Common Stock is issued upon the
   exercise of Rights shall for all purposes be deemed to have become the
   holder of record of the Common Stock represented thereby on, and such
   certificate shall be dated, the date upon which the Right Certificate
   evidencing such Rights was duly surrendered and payment of the
   Purchase Price (and any applicable transfer taxes) was made in
   accordance with Section 7; provided, however, that if the date of such
   surrender and payment is a date upon which the Common Stock transfer
   books of the Company are closed, such person shall be deemed to have
   become the record holder of such shares on, and such certificate shall
   be dated, the next succeeding business day on which the Common Stock
   transfer books of the Company are open.  Prior to the exercise of the
   Rights evidenced thereby, the holder of a Right Certificate shall not
   be entitled to any rights of a stockholder of the Company with respect
   to shares for which the Rights shall be exercisable, including,
   without limitation, the right to vote, to receive dividends or other
   distributions or to exercise any preemptive rights, and shall not be
   entitled to receive any notice of any proceedings of the Company,
   except as provided herein.

             Section 11.  ADJUSTMENT OF PURCHASE PRICE, NUMBER OF SHARES
   OR NUMBER OF RIGHTS.  The Purchase Price, the number of shares covered





   <PAGE>  21

   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 shall at any time after
   the date of this Agreement (A) declare a dividend on the Common Stock
   payable in shares of Common Stock, (B) subdivide the outstanding
   shares of Common Stock, (C) combine the outstanding shares of Common
   Stock into a smaller number of shares or (D) issue any shares of its
   capital stock in a reclassification or recapitalization of the Common
   Stock (including any such reclassification or recapitalization in
   connection with a consolidation or merger in which the Company is the
   continuing or surviving corporation), except as otherwise provided
   this Section 11(a) and in 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, reclassification or
   recapitalization, and the number and kind of shares of capital stock
   issuable on such date, shall be proportionately adjusted so that the
   holder of any Right exercised after such time shall be entitled to
   receive the aggregate number and kind of shares of capital stock,
   other securities and/or property which, 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, reclassification or
   recapitalization; provided, however, that in no event shall the
   consideration to be paid upon the exercise of one Right be less than
   the aggregate par value of the shares of capital stock of the Company
   issuable upon the exercise of one Right.  If an event occurs which
   would require an adjustment under both Section 11(a)(i) and Section
   11(a)(ii), the adjustment provided for in this Section 11(a)(i) shall
   be in addition to, and shall be made prior to, any adjustment required
   pursuant to Section 11(a)(ii).

                  (ii)  In the event that at any time after the date
   hereof, any Person, alone or together with its Affiliates and
   Associates, shall become an Acquiring Person then proper provision
   shall be made so that each holder of a Right, except as provided in
   Section 7(e) hereof, shall have a right to receive, upon exercise
   thereof at the then current Purchase Price in accordance with the
   terms of this Agreement, such number of shares of Common Stock of the
   Company as shall equal the result obtained by (x) multiplying the then
   current Purchase Price by the then number of shares of Common Stock
   for which a Right is then exercisable and dividing that product by (y)
   50% of the current market price for one share of Common Stock
   (determined pursuant to Section 11(d)) on the date of the occurrence
   of the event set forth above in this subparagraph (ii) (such number of
   shares being referred to as the "number of Adjustment Shares");
   provided, however, that if the transaction that would otherwise give
   rise to the foregoing adjustment is also subject to the provisions of
   Section 13 hereof, then only the provisions of Section 13 hereof shall
   apply and no adjustment shall be made pursuant to this Section
   11(a)(ii). 





   <PAGE>  22

                  (iii)  In the event that there shall not be sufficient
   treasury shares or authorized but unissued shares of Common Stock to
   permit the exercise in full of the Rights in accordance with the
   foregoing subparagraph (ii) or, if any regulatory approvals for the
   issuance of such Common Stock has not been obtained by the Company,
   and the Rights become so exercisable, notwithstanding any other
   provision of this Agreement, to the extent necessary and permitted by
   applicable law and any agreements in effect on the date hereof to
   which it is a party, the Company shall, with respect to each Right,
   make adequate provision to substitute upon exercise of such Right to
   the extent necessary and on a pro rata or such other basis as the
   Company deems appropriate, (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 or other
   securities), (4) debt securities of the Company, (5) other assets, or
   (6) any combination of the foregoing, having an aggregate value equal
   to the  current per share market price  (as determined pursuant to
   Section 11(d) hereof) of the Common Stock for which such Right is
   otherwise exercisable, where such aggregate value has been determined
   by the Board of Directors of the Company based upon the advice of a
   nationally recognized investment banking firm selected by the Board of
   Directors of the Company.

             (b)  In case a record date is fixed by the Company or
   otherwise established for the issuance of rights, options or warrants
   to all holders of Common Stock entitling them (for a period expiring
   within 45 calendar days after such record date) to subscribe for or
   purchase Common Stock (or securities convertible into Common Stock) at
   a price per share of Common Stock (or having a conversion price per
   share of Common Stock, if a security convertible into Common Stock)
   less than the current market price (as defined in Section 11(d)) per
   share of Common Stock on such record date, the Purchase Price to be in
   effect after such record date shall be determined by multiplying the
   Purchase Price in effect immediately prior to such record date by a
   fraction, of which the numerator shall be the number of shares of
   Common Stock outstanding on such record date plus the number of shares
   of Common Stock which the aggregate offering price of the total number
   of shares of Common Stock so to be offered (and/or the aggregate
   initial conversion price of the convertible securities so to be
   offered) would purchase at such current market price and of which the
   denominator shall be the number of shares of Common Stock outstanding
   on such record date plus the number of additional shares of Common
   Stock to be offered for subscription or purchase (or into which the
   convertible securities so to be offered are initially convertible);
   provided, however, that in no event shall the consideration to be paid
   upon the exercise of one Right be less than the aggregate par value of
   the shares of capital stock of the Company issuable upon exercise of
   one Right.  In case such subscription price may be paid in a con-
   sideration part or all of which shall be in a form other than cash,
   the value of such consideration shall be as determined in good faith
   by the Board of Directors of the Company, whose determination shall be
   described in a statement filed with the Rights Agent.  Shares of





   <PAGE>  23

   Common Stock owned by or held for the account of the Company shall not
   be deemed outstanding for the purpose of any such computation.  Such
   adjustment shall be made successively whenever such a record date is
   fixed or established; and in the event that such rights, options or
   warrants are not so issued, the Purchase Price shall be adjusted to be
   the Purchase Price which would then be in effect if such record date
   had not been fixed or established.

             (c)  If the Company shall fix a record date for the making
   of 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 periodic cash dividend),
   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 shall be
   determined by multiplying the Purchase Price in effect immediately
   prior to such record date by a fraction, the numerator of which shall
   be the current market price (as defined in Section 11(d)) per share of
   Common Stock on such record date, less the fair market value (as
   determined reasonably and with good faith to the holders of Rights by
   the Board of Directors of the Company, whose determination shall be
   described in a statement filed with the Rights Agent and shall be
   binding on 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 distributable in respect of one share of Common
   Stock and the denominator of which shall be the current market price
   per share of the Common Stock; provided, however, that in no event
   shall the consideration to be paid upon the exercise of one Right be
   less than the aggregate par value of the shares of capital stock of
   the Company issuable upon exercise of one Right.  Such adjustments
   shall be made successively whenever such a record date is fixed; and
   in the event that such distribution is not so made, the Purchase Price
   shall again be adjusted to be the Purchase Price which would be in
   effect if such record date had not been fixed.

             (d)  For the purpose of any computation hereunder, the
   "current market price" per share of Common Stock on any date shall be
   deemed to be the average of the daily closing prices per share of
   Common Stock for the 30 consecutive Trading Days (as such term is
   hereinafter defined) immediately prior to such date; provided,
   however, that in the event that the current market price per share of
   Common Stock is determined during a period following the announcement
   by the issuer of the Common Stock of (i) a dividend or distribution on
   the Common Stock payable in shares of Common Stock or securities
   convertible into shares of Common Stock or (ii) any subdivision,
   combination or reclassification of the Common Stock, and prior to the
   expiration of 30 Trading Days after the ex-dividend date for such
   dividend or distribution, or the record date for such subdivision,
   combination or reclassification, as the case may be, then, and in each
   such case, the "current market price" shall be appropriately adjusted





   <PAGE>  24

   to reflect the current market price per common share equivalent.  The
   closing price for each day shall 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 the National Association of
   Securities Dealers, Inc. Automated Quotations System ("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 of the Company, except that, 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 Direc-
   tors of the Company shall be used.  The term "Trading Day" shall mean
   a day on which the principal national securities exchange 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, a
   Business Day.  If the Common Stock is not publicly held or not so
   listed or traded, "current market price" per share shall mean the fair
   value per share as determined in good faith by the Board of Directors
   of the Company, whose determination shall be described in a statement
   filed with the Rights Agent.

             (e)  No adjustment in the Purchase Price shall be required
   unless such adjustment would require an increase or decrease of at
   least 1% in such price; provided, however, that any adjustments which
   by reason of this Section 11(e) are not required to be made shall be
   carried forward and taken into account in any subsequent adjustment. 
   All calculations under this Section 11 shall be made to the nearest
   cent or to the nearest ten-thousandth of a share as the case may be. 
   Notwithstanding the first sentence of this Section 11(e), any
   adjustment required by this Section 11 shall be made no later than the
   earlier of (i) three years from the date of the transaction which
   mandates such adjustment or (ii) the Expiration Date.

             (f)  If as a result of an adjustment made pursuant to
   Section 11(a) or Section 13(a), the holder of any Right thereafter
   exercised shall become entitled to receive any shares of capital stock
   of the Company other than shares of Common Stock, thereafter the
   number of such other shares so receivable upon exercise of any Right
   shall be subject to adjustment from time to time in a manner and on





   <PAGE>  25

   terms as nearly equivalent as practicable to the provisions with
   respect to the shares contained in Section 11(a) through (c),
   inclusive, and the provisions of Sections 7, 9, 10, 13 and 15 with
   respect to the shares of Common Stock shall apply on like terms to any
   such other shares.

             (g)  All Rights originally issued by the Company subsequent
   to any adjustment made to the Purchase Price hereunder shall evidence
   the right to purchase, at the adjusted Purchase Price, the number of
   shares of Common Stock purchasable from time to time hereunder upon
   exercise of the Rights, all subject to further adjustment as provided
   herein.

             (h)  Unless the Company shall have exercised its election as
   provided in Section 11(i), upon each adjustment of the Purchase Price
   as a result of the calculations made in Section 11(b) and (c), each
   Right outstanding immediately prior to the making of such adjustment
   shall thereafter evidence the right to purchase, at the adjusted
   Purchase Price, that number of shares (calculated to the nearest ten-
   thousandth) obtained by (i) multiplying (x) the number of 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 Pur-
   chase 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
   substitution for any adjustment in the number of shares of Common
   Stock purchasable upon the exercise of a Right.  Each of the Rights
   outstanding after such adjustment of the number of Rights shall be
   exercisable for the number of shares of Common Stock 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 shall
   become that number of Rights (calculated to the nearest ten-
   thousandth) 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 shall 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. 
   Such record date may be the date on which the Purchase Price is
   adjusted or any day thereafter, but, if the Right Certificates have
   been issued, the record date shall be at least 10 days later than the
   date of the public announcement.  If Right Certificates have been
   issued, upon each adjustment of the number of Rights pursuant to this
   Section 11(i), the Company shall, as promptly as practicable, cause to
   be distributed to holders of record of Right Certificates on such
   record date Right Certificates evidencing, subject to Section 15, the
   additional Rights to which such holders shall be entitled as a result
   of such adjustment, or, at the option of the Company, shall cause to
   be distributed to such holders of record in substitution and





   <PAGE>  26

   replacement for the Right Certificates held by such holders prior to
   the date of adjustment, and upon surrender thereof, if required by the
   Company, new Right Certificates evidencing all the Rights to which
   such holders shall be entitled after such adjustment.  Right
   Certificates so to be distributed shall be issued, executed and
   countersigned in the manner provided for herein (and may bear, at the
   option of the Company, the adjusted Purchase Price) and shall be
   registered in the names of the holders of record of Right Certificates
   on the record date specified in the public announcement.

             (j)  Irrespective of any adjustment or change in the
   Purchase Price or the number of shares of Common Stock issuable upon
   the exercise of the Rights, the Right Certificates theretofore and
   thereafter issued may continue to express the Purchase Price per share
   and the number of shares which were expressed in the initial Right
   Certificates issued hereunder.

             (k)  Before taking any action that would cause an adjustment
   reducing the per share Purchase Price below the then par value per
   share, if any, of the shares of Common Stock issuable upon exercise of
   the Rights, the Company shall take any corporate action which may, in
   the opinion of its counsel, be necessary in order that the Company may
   validly and legally issue fully paid and nonassessable shares of such
   Common Stock at such adjusted Purchase Price.

             (l)  In any case in which this Section 11 shall require 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 issuing to the holder of any Right
   exercised after such record date the shares of Common Stock and other
   capital stock or securities of the Company, if any, issuable upon such
   exercise over and above the shares of Common Stock 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 shall deliver to such
   holder a due bill or other appropriate instrument evidencing such
   holder's right to receive such additional shares upon the occurrence
   of the event requiring such adjustment.

             (m)  Anything in this Section 11 to the contrary not-
   withstanding, the Company shall 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 it in its sole
   discretion shall determine to be advisable in order that any
   consolidation or subdivision of the Common Stock, issuance wholly for
   cash of any shares of Common Stock at less than the current market
   price, issuance wholly for cash of shares of Common Stock or
   securities which by their terms are convertible into or exchangeable
   for shares of Common Stock, stock dividends or issuance of rights,
   options or warrants referred to hereinabove in this Section 11, here-
   after made by the Company to holders of its Common Stock shall not be
   taxable to such stockholders.





   <PAGE>  27

             (n)  Anything in this Agreement to the contrary
   notwithstanding, in the event that the Company shall at any time after
   the date of this Agreement (i) declare a dividend on the outstanding
   shares of Common Stock payable in shares of Common Stock, (ii)
   subdivide the outstanding Common Stock, (iii) combine the outstanding
   Common Stock into a smaller number of shares or (iv) issue any shares
   of its capital stock in a reclassification of the outstanding Common
   Stock, the number of Rights associated with each share of Common Stock
   then outstanding, or issued or delivered thereafter but prior to the
   Distribution Date, shall be proportionately adjusted so that the
   number of Rights thereafter associated with each share of Common Stock
   following any such event shall equal the result obtained by
   multiplying the number of Rights associated with each share of Common
   Stock immediately prior to such event (or, in the event that any
   adjustment is made in connection with such event by reason of Section
   11(i), after such adjustment) by a fraction the numerator of which
   shall be the total number of shares of Common Stock outstanding
   immediately prior to the occurrence of the event and the denominator
   of which shall be the total number of shares of Common Stock
   outstanding immediately after  the occurrence of the event.

             (o)  Notwithstanding any other provision of this Agreement,
   no adjustment to the Purchase Price, the number of shares of Common
   Stock (or fractions of a share) for which a Right is exercisable or
   the number of Rights outstanding (except as permitted by Section 23
   hereof) or any similar adjustment shall be made or be effective if
   such adjustment would have the effect of reducing or limiting the
   benefits the holders of the Rights would have had absent such adjust-
   ment, including, without limitation, the benefits under Sec-
   tion 11(a)(ii) and Section 13, unless the terms of this Agreement are
   amended so as to preserve such benefits.

             (p)  The Company covenants and agrees that, following the
   Distribution Date, except as permitted by Section 24 or Section 26
   hereof, it will not, directly or indirectly, take any action the
   purpose or effect of which is to eliminate or otherwise diminish the
   benefits intended to be afforded by the Rights.

             Section 12.  CERTIFICATE OF ADJUSTED PURCHASE PRICE OR
   NUMBER OF SHARES.  Whenever an adjustment is made as provided in
   Section 11 or 13, the Company shall (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
   Right Certificate in accordance with Section 26.  The Rights Agent
   shall be fully protected in relying on any such certificate and on any
   adjustment contained therein.





   <PAGE>  28

             Section 13.  CONSOLIDATION, MERGER OR SALE OR TRANSFER OF
   ASSETS OR EARNING POWER.

             (a)  In the event that, on or after the Stock Acquisition
   Date, directly or indirectly, (i) the Company shall consolidate with,
   or merge with and into, any other Person, and the Company shall not be
   the continuing or surviving corporation, (ii) any Person shall
   consolidate with the Company, or merge with and into the Company, and
   the Company shall be the continuing or surviving corporation and, in
   connection therewith, all or part of the Common Stock of the Company
   shall be changed into or exchanged for stock or other securities of
   any other Person or cash or any other property, or (iii) the Company
   shall sell or otherwise transfer (or one or more of its subsidiaries
   shall sell or otherwise transfer), in one or more 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, then, and in each such case, proper provision
   shall be made so that (A) each holder of a Right, subject to
   Section 7(e), shall thereafter have the right to receive, upon the
   exercise thereof at the then-current Purchase Price in accordance with
   the terms of this Agreement, such number of validly authorized and
   issued, fully paid, non-assessable and freely tradeable shares of
   Common Stock of the Principal Party (as hereinafter defined), free and
   clear of any liens, encumbrances and adverse claims and not subject to
   any rights of call, purchase or first refusal, as shall be equal to
   the result obtained by (x) multiplying the then current Purchase Price
   by the number of shares of Common Stock for which a Right is then
   exercisable (without taking into account any adjustment previously
   made pursuant to Section 11(a)(ii) hereof) and dividing that product
   by (y) 50% of the current market price (determined pursuant to Section
   11(d)) per share of the Common Stock of the Principal Party on the
   date of consummation of such consolidation, merger, sale or transfer;
   (B) such Principal Party shall thereafter be liable for, and shall
   assume, by virtue of such consolidation, merger, sale or transfer, all
   the obligations and duties of the Company pursuant to this Agreement;
   (C) the term "Company" shall thereafter be deemed to refer to such
   Principal Party, it being specifically intended that the provisions of
   Section 11 hereof shall apply only to such Principal Party following
   the first occurrence of an event set forth in Section 13(a) hereof;
   and (D) such Principal Party shall take such steps (including, but not
   limited to, the reservation of a sufficient number of shares of its
   Common Stock in accordance with Section 9) in connection with such
   consummation as may be necessary to assure that the provisions hereof
   shall thereafter be applicable, as nearly as reasonably may be, in
   relation to the shares of its Common Stock or cash, property or other
   securities thereafter deliverable upon the exercise of the Rights.

             (b)  "Principal Party" shall mean (i) in the case of any
   transaction described in (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





   <PAGE>  29

   Person that is the other party to such merger or consolidation; and
   (ii) in the case of any transaction described in (iii) of the first
   sentence in 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 shares of Common Stock of such Person are not at
   such time and have not been continuously over the preceding twelve
   month period registered under Section 12 of the Exchange Act ("Regis-
   tered Common Shares") or such Person is not a corporation, and such
   Person is directly or indirectly controlled by another Person which
   has Registered Common Shares outstanding, "Principal Party" shall
   refer to such other Person; (2) if the shares of Common Stock of such
   Person are not Registered Common Shares or such Person is not a
   corporation, and such Person is directly or indirectly controlled by
   another Person which does not have Registered Common Shares
   outstanding, "Principal Party" shall refer to the controlling Person
   of such first-mentioned Person; (3) if the shares of Common Stock of
   such Person are not Registered Common Shares or such Person is not a
   corporation, and such Person is directly or indirectly controlled by
   more than one Person, and one or more of such controlling Persons have
   Registered Common Shares outstanding, "Principal Party" shall refer to
   whichever of such controlling Persons is the issuer of the Registered
   Common Shares having the greatest aggregate market value; and (4) if
   the shares of Common Stock of such Person are not Registered Common
   Shares or such Person is not a corporation, and such Person is direc-
   tly or indirectly controlled by more than one Person, and none of such
   controlling Persons have Registered Common Shares outstanding,
   "Principal Party" shall refer to whichever controlling Person is the
   corporation having the greatest stockholders equity or, if no such
   controlling Person is a corporation, shall refer to whichever
   controlling Person has the greatest net assets.

             (c)  The Company shall not consummate any such con-
   solidation, merger, sale or transfer unless prior thereto the Company
   and such Principal Party shall have executed and delivered to the
   Rights Agent a legally valid, binding and enforceable supplemental
   agreement in compliance with the provisions set forth in Section 13(a)
   and (b), and if applicable Section 13(d), and further providing that,
   as soon as practicable after the date of any consolidation, merger or
   sale of assets mentioned in this Section 13, such issuer 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
   Expiration Date; and (ii) use its best efforts to qualify or register
   the Rights and the securities purchasable upon exercise of the Rights
   under the blue sky laws of such jurisdictions as may be necessary or
   appropriate; and (iii) deliver to holders of the Rights historical
   financial statements for such issuer and each of its Affiliates which





   <PAGE>  30

   comply in all respects with the requirements for registration on Form
   10 under the Exchange Act.

             (d)  Notwithstanding anything in Section 13(b) and (c) to
   the contrary, if the Principal Party as determined pursuant to
   paragraph (b) above is not a corporation or does not have shares of
   Common Stock, proper provision shall be made so that such Principal
   Party shall create or otherwise make available for purposes of the
   exercise of the Rights in accordance with the terms of this Agreement,
   cash or a type or types of securities having a fair market value (as
   determined by a nationally recognized investment banking firm selected
   by the Board of Directors of the Company) equal to at least the value
   of the shares of Common Stock which each holder of a Right would have
   been entitled to receive if such Principal Party had been a corpora-
   tion or had shares of Common Stock.

             (e)  The Company covenants and agrees that, following the
   Distribution Date, it shall not consummate any of the transactions
   described in clauses (i), (ii) and (iii) of the first sentence of
   Section 13(a) if at the time of or after such consummation there would
   be any charter or by-law provisions or any rights, warrants or other
   instruments or securities outstanding or agreements in effect or any
   other action taken which would diminish or eliminate the benefits
   intended to be afforded by the Rights, unless prior thereto the
   Principal Party shall have amended or repealed such charter or by-law
   provisions, instruments or securities, agreements or actions or
   otherwise protected the holders of the Rights from such diminution or
   elimination of benefits, and the Company and the Principal Party shall
   have executed and delivered to the Rights Agent a legally valid,
   binding and enforceable supplemental agreement providing for such
   amendment, repeal or other protection.

             (f)  The provisions of this Section 13 shall similarly apply
   to successive mergers, consolidations, sales or other transfers. 
   Notwithstanding the occurrence of any transaction set forth in Section
   11(a)(ii), in the event that any transaction set forth in Section 13
   subsequently occurs, the Rights which have not theretofore been
   exercised shall thereafter become exercisable in the manner described
   in this Section 13.


             Section 14.    ADDITIONAL COVENANTS. 

             (a)  After the Stock Acquisition Date, the Company covenants
   and agrees that it shall not (i) consolidate with, (ii) merge with or
   into, or (iii) sell or transfer to, in one or more 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,
   any other Person if at the time of or after such consolidation, merger
   or sale there are any charter or by-law provisions or any rights,
   warrants or other instruments outstanding or any other action taken
   which would diminish or otherwise eliminate the benefits intended to





   <PAGE>  31

   be afforded by the Rights.  The Company shall not consummate any such
   consolidation, merger or sale unless prior thereto the Company and
   such other Person shall have executed and delivered to the Rights
   Agent a supplemental agreement evidencing compliance with this
   subsection. 

             Section 15.  FRACTIONAL RIGHTS AND FRACTIONAL SHARES.

             (a)  The Company shall not be required to issue fractions of
   Rights or to distribute Right Certificates which evidence fractional
   Rights.  In lieu of such fractional Rights, there shall be paid to the
   registered holders of the Right 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 the purposes of this Section 15(a), the current market value of a
   whole Right shall 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 for any day
   shall 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, except
   that, 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 as determined in
   good faith by the Board of Directors of the Company shall be used.

             (b)  The Company shall not be required to issue fractions of
   shares upon exercise of the Rights or to distribute certificates which
   evidence fractional shares.  In lieu of fractional shares, the Company
   may pay to the registered holders of Right Certificates at the time
   such Right Certificates are exercised as herein provided an amount in
   cash equal to the same fraction of the current market value of a share
   of Common Stock.  For purposes of this Section 15(b), the current
   market value of a share of Common Stock shall be the closing price of
   a share of Common Stock (as determined pursuant to the second sentence
   of Section 11(d)) for the Trading Day immediately prior to the date of
   such exercise.





   <PAGE>  32

             (c)  Each holder of a Right or Rights by the acceptance of
   the Rights expressly waives his right to receive any fractional Rights
   or any fractional shares upon exercise of a Right or Rights.

             Section 16.  RIGHTS OF ACTION.  All rights of action in
   respect of this Agreement are vested in the respective registered
   holders of the Right Certificates (and, prior to the Distribution
   Date, the registered holders of the Common Stock); and any registered
   holder of any Right 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 Right Certificate (or, prior to the Dis-
   tribution Date, of the Common Stock), may, in his own behalf and for
   his own benefit, enforce, and may institute and maintain any suit,
   action or proceeding against the Company to enforce, or otherwise act
   in respect of, his right to exercise the Rights evidenced by such
   Right Certificate in the manner provided in such Right 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, and injunctive relief against
   actual or threatened violations of, the obligations of any Person
   subject to this Agreement.  Holders of Rights shall be entitled to
   recover the reasonable costs and expenses, including attorneys' fees,
   incurred by them in any action to enforce the provisions of this
   Agreement.

             Section 17.  AGREEMENT OF RIGHT HOLDERS.  Every holder of a
   Right by accepting the same consents and agrees with the Company and
   the Rights Agent and with every other holder of a Right that:

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

             (b)  after the close of business on the Distribution Date,
   the Rights will be transferable only by transfer of the Right Certifi-
   cates, which are transferable only on the registry books of the Rights
   Agent if surrendered at the principal office of the Rights Agent, duly
   endorsed or accompanied by a proper instrument of transfer; and

             (c)  the Company and the Rights Agent may deem and treat the
   person in whose name each Right Certificate (or, prior to the
   Distribution Date, the associated Common Stock certificate) is
   registered as the absolute owner thereof and of the Rights evidenced
   thereby (notwithstanding any notations of ownership or writing on the
   Right Certificate 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 shall be
   affected by any notice to the contrary.





   <PAGE>  33

             Section 18.  RIGHT CERTIFICATE HOLDER NOT DEEMED A
   STOCKHOLDER.  No holder, as such, of any Right Certificate shall be
   entitled to vote, receive dividends or be deemed for any purpose the
   holder of Common Stock or any other securities of the Company which
   may at any time be issuable on the exercise of the Rights represented
   thereby, nor shall anything contained herein or in any Right
   Certificate be construed to confer upon the holder of any Right
   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 Section 25), or to receive dividends or subscription rights, or
   otherwise, until the Right or Rights evidenced by such Right
   Certificate shall have been exercised in accordance with the
   provisions hereof.

             Section 19.  CONCERNING THE RIGHTS AGENT.

             (a) The Company agrees to pay to the Rights Agent reasonable
   compensation for all services rendered by it hereunder and, from time
   to time, on demand of the Rights Agent, its reasonable expenses and
   counsel fees and other disbursements incurred in the administration
   and execution of this Agreement and the exercise and performance of
   its duties hereunder.  The Company also agrees to indemnify the Rights
   Agent for, and to hold it harmless against, any loss, liability, or
   expense, incurred without negligence, bad faith or willful misconduct
   on the part of the Rights Agent, for anything done or omitted by the
   Rights Agent in connection with the acceptance and administration of
   this Agreement, including the costs and expenses of defending against
   any claim of liability in the premises.

             (b)  The Rights Agent shall be protected and shall 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 Right 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 20.  MERGER OR CONSOLIDATION OR CHANGE OF NAME OF
   RIGHTS AGENT.

             (a)  Any corporation into which the Rights Agent or any
   successor Rights Agent may be merged or with which it may be
   consolidated, or any corporation resulting from any merger or
   consolidation to which the Rights Agent or any successor Rights Agent
   shall be a party, or any corporation succeeding to the corporate trust
   business of the Rights Agent or any successor Rights Agent, shall be
   the successor to the Rights Agent under this Agreement without the





   <PAGE>  34

   execution or filing of any paper or any further act on the part of any
   of the parties hereto, provided that such corporation would be
   eligible for appointment as a successor Rights Agent under the
   provisions of Section 22.  In case at the time such successor Rights
   Agent shall succeed to the agency created by this Agreement, any of
   the Right Certificates shall have been countersigned but not
   delivered, any such successor Rights Agent may adopt the
   countersignature of the predecessor Rights Agent and deliver such
   Right Certificates so countersigned; and in case at that time any of
   the Right Certificates shall not have been countersigned, any
   successor Rights Agent may countersign such Right Certificates either
   in the name of the predecessor Rights Agent or in the name of the
   successor Rights Agent; and in all such cases such Right Certificates
   shall have the full force provided in the Right Certificates and in
   this Agreement.

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

             Section 21.  TERMS AND CONDITIONS TO 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 Right Certificates, by their acceptance
   thereof, shall 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
   shall be full authorization to the Rights Agent for 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 shall deem it necessary or desirable that
   any fact or matter be proved or established by the Company prior to
   taking or omitting any action hereunder, such fact or matter (unless
   other evidence in respect thereof be herein specifically prescribed)
   may be deemed to be conclusively proved and established by a certi-
   ficate signed by the Chairman of the Board, the Vice Chairman of the
   Board, the President or any Executive or Senior Vice President and by
   the Treasurer or any Assistant Treasurer or the Secretary or any
   Assistant Secretary of the Company and delivered to the Rights Agent;
   and such certificate shall be full authorization to the Rights Agent
   for any action taken or omitted by it in good faith under the pro-
   visions of this Agreement in reliance upon such certificate.





   <PAGE>  35

             (c)  The Rights Agent shall be liable hereunder only for its
   own negligence, bad faith or willful misconduct.

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

             (e)  The Rights Agent shall not be under any responsibility
   in respect of the validity of this Agreement or the execution and
   delivery hereof (except the due execution hereof by the Rights Agent)
   or in respect of the validity or execution of any Right Certificate
   (except its countersignature thereof); nor shall it be responsible for
   any breach by the Company of any covenant or condition contained in
   this Agreement or in any Right Certificate; nor shall it be re-
   sponsible for any adjustment required under the provisions of
   Sections 11 or 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 Right Certificates after actual notice of any
   such adjustment); nor shall it by any act hereunder 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 Right Certificate or as to whether any shares of Common Stock
   will, when issued, be validly authorized and issued, fully paid and
   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.

             (g)  The Rights Agent is hereby authorized and directed to
   accept determinations, interpretations and instructions with respect
   to the performance of its duties hereunder from the Chairman of the
   Board, the Vice Chairman of the Board, the President or any Executive
   or Senior Vice President or the Secretary or any Assistant Secretary
   or 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 shall not be liable for any action taken or omitted
   to be taken by it in good faith in accordance with determinations,
   interpretations and instructions of any such officer.

             (h)  The Rights Agent and any shareholder, 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,
   or contract with or lend money to the Company or otherwise act as





   <PAGE>  36

   fully and freely as though it were not Rights Agent under this Agree-
   ment.  Nothing herein shall preclude the Rights Agent from acting in
   any other capacity for the Company or for any other legal entity.

             (i)  The Rights Agent may execute and exercise any of the
   rights or powers hereby vested in it or perform any duty hereunder
   either itself or by or through its attorneys or agents, and the Rights
   Agent shall 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 reasonable care was exercised in the selection
   and continued employment thereof.

             (j)  If, with respect to any Rights 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 and/or 2 thereof, the Rights Agent shall not take
   any further action with respect to such requested exercise of transfer
   without first consulting with the Company.

             Section 22.  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 Right
   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 Right Certificates by first-
   class mail.  If the Rights Agent shall resign or be removed or shall
   otherwise become incapable of acting or shall repeatedly fail or
   refuse to act, the Company shall appoint a successor to the Rights
   Agent.  If the Company shall fail 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 or repeated
   failure or refusal to act by the Rights Agent or by the holder of a
   Right Certificate (who shall, with such notice, submit his Right
   Certificate for inspection by the Company), then the registered holder
   of any Right 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,
   shall be a corporation organized and doing business under the laws of
   the United States or of the State of Illinois (or of any other state
   of the United States so long as such corporation is authorized to do
   business as a banking institution in the State of Illinois), in good
   standing, having a principal office in the State of Illinois, which is
   authorized under such laws to exercise corporate trust or stock
   transfer powers and is subject to supervision or examination by
   federal or state authority and which has at the time of its
   appointment as Rights Agent a combined capital and surplus of at least





   <PAGE>  37

   $50,000,000. After appointment, the successor Rights Agent shall 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, and the predecessor Rights Agent shall deliver and transfer to
   the successor Rights Agent any property at the time held by it
   hereunder, 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 shall file notice thereof in
   writing with the predecessor Rights Agent and each transfer agent of
   the Common Stock, and mail a notice thereof in writing to the
   registered holders of the Right Certificates.  Failure to give any
   notice provided for in this Section 22, however, or any defect there-
   in, shall 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 23.  ISSUANCE OF NEW RIGHT CERTIFICATES. Not-
   withstanding any of the provisions of this Agreement or of the Rights
   to the contrary, the Company may, at its option, issue new Right
   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 per share and the number or kind or class of shares of stock or
   other securities or property purchasable under the Right Certificates
   made in accordance with the provisions of this Agreement.

             Section 24.  REDEMPTION.

             (a)  The Board of Directors of the Company may, at its
   option, at any time prior to the earlier of (i) the close of business
   on the tenth business day after the Stock Acquisition Date or (ii) the
   Final Expiration Date, redeem all but not less than all the then
   outstanding Rights at a redemption price of $.01 per Right, as such
   amount may be appropriately adjusted to reflect any stock split, stock
   dividend or similar transaction occurring after the date hereof (such
   redemption price being hereinafter referred to as the "Redemption
   Price"). 

             (b)  Immediately upon the action of the Board of Directors
   of the Company ordering the redemption of the Rights, and without any
   further action and without any notice, the Rights will terminate and
   the only right thereafter of the holders of Rights shall be to receive
   the Redemption Price.  As soon as practicable after the action of the
   Board of Directors ordering the redemption of the Rights, the Company
   shall give notice of such redemption to the holders of the then
   outstanding Rights by mailing such notice to all such holders at their
   last addresses as they appear 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.  Any notice which is mailed in
   the manner herein provided shall be deemed given, whether or not the
   holder receives the notice.  Such notice of redemption shall state the
   method by which the payment of the Redemption Price will be made. 
   Neither the Company nor any of its Affiliates or Associates may





   <PAGE>  38

   redeem, acquire or purchase for value any Rights at any time in any
   manner other than that specifically set forth in this Section 24, and
   other than in connection with the repurchase of Common Stock prior to
   the Distribution Date.

             (c)  The Company may, at its option, discharge all of its
   obligations with respect to the Rights by (i) issuing a press release
   announcing the manner of redemption of the Rights and (ii) mailing
   payment of the Redemption Price to the registered holders of the
   Rights at their last addresses as they appear on the registry books of
   the Rights Agent or, prior to the Distribution Date, on the registry
   books of the Transfer Agent of the Common Stock, and upon such action,
   all outstanding Rights Certificates shall be null and void without any
   further action by the Company. 

             Section 25.    EXCHANGE.

             (a) Subject to Section 25(d), the Board of Directors of the
   Company may, at its option, at any time after the time that any Person
   becomes an Acquiring Person, exchange all or part of the then
   outstanding and exercisable Rights (which shall not include Rights
   that have become void pursuant to the provisions of Section 7(e) and
   Section 11(a)(ii) hereof) for shares of Common Stock of the Company at
   an exchange ratio of one share of Common Stock per Right,
   appropriately adjusted to reflect any stock split, stock dividend or
   similar transaction occurring after the date hereof (such exchange
   ratio being hereinafter referred to as the "Exchange Ratio"). 
   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 such subsidiary, any entity holding shares
   of Common Stock for or pursuant to the terms of any such plan or any
   trustee, administrator or fiduciary of such a plan), together with all
   Affiliates and Associates of such Person, becomes the Beneficial Owner
   of 50% or more of the shares of Common Stock then outstanding.

             (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 25 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 that number of shares of Common Stock equal to the number of
   such Rights held by such holder multiplied by the Exchange Ratio.  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 which 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 shares of Common Stock for





   <PAGE>  39

   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) and
   Section 11(a)(ii) hereof) held by each holder of Rights.

             (c) In the event that there shall not be sufficient shares
   of Common Stock issued but not outstanding or authorized but unissued
   to permit any exchange of Rights as contemplated in accordance with
   this Section 25, the Company shall take all such action as may be
   necessary to authorize additional shares of Common Stock for issuance
   upon exchange of the Rights; and, consistent with the provisions of
   Section 9(e) and Section 11(a)(iii) hereof, in the event the Company
   is unable to cause shares of Common Stock to be delivered in exchange
   for Rights for any reason within 90 days after the announcement of the
   decision to exchange Rights pursuant to Section (a) of this
   Section 25, the Company shall substitute for each share of Common
   Stock otherwise issuable upon the exchange of Rights, cash, other
   assets or other securities of the Company (or any combination of the
   foregoing) having an aggregate value equal to the "current per share
   market price" (as determined pursuant to Section 11(d)(ii) hereof), as
   determined by the Board of Directors of the Company.

             Section 26.  NOTICE OF CERTAIN EVENTS.  In case the Company
   shall propose (a) to pay any dividend payable in stock of any class to
   the holders of its Common Stock or to make any other distribution to
   the holders of its Common Stock (other than a regular periodic cash
   dividend out of earnings or retained earnings or other than a special
   cash dividend declared at a time when there is no Acquiring Person out
   of earnings or retained earnings, or (b) to offer to the holders of
   its 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 (c) to effect any
   reclassification of its Common Stock (other than a reclassification
   involving only the subdivision of outstanding shares of Common Stock),
   or (d) to effect any consolidation or merger into or with, 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 or more
   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, or (e) to effect the liquidation, dissolution or winding
   up of the Company, then, in each such case, the Company shall give to
   each holder of a Right, in accordance with Section 26, a notice of
   such proposed action, which shall specify the record date for the
   purposes of such stock dividend, distribution of rights, 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 Common Stock, if any such
   date is to be fixed, and such notice shall be so given in the case of
   any action covered by clause (a) or (b) above at least twenty days
   prior to the record date for determining holders of the Common Stock
   for purposes of such action, and in the case of any such other action,





   <PAGE>  40

   at least twenty days prior to the date of the taking of such proposed
   action or the date of participation therein by the holders of Common
   Stock, whichever shall be the earlier.

             In case any of the transactions set forth in Section
   11(a)(ii) of this Agreement shall occur, then, in any such case, the
   Company shall as soon as practicable thereafter give to each holder of
   a Right, in accordance with Section 26, a notice of the occurrence of
   such event, which shall specify the event and the consequences of the
   event to holders of Rights under Section 11(a)(ii).

             Section 27.  NOTICES.  Notices or demands authorized by this
   Agreement to be given or made by the Rights Agent or by the holder of
   any Right Certificate to or on the Company shall 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:

                       AAR CORP.
                       1100 North Wood Dale Road
                       Wood Dale, Illinois  60191
                       Attention:  Secretary

   with copy to the General Counsel at the same address.  Subject to the
   provisions of Section 22, any notice or demand authorized by this
   Agreement to be given or made by the Company or by the holder of any
   Right Certificate to or on the Rights Agent shall 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:

                       First Chicago Trust Company of New York
                       525 Washington Boulevard, Suite 4660
                       Jersey City, NJ 07310
                       Attention: Tenders; Exchanges Administration

   Notices or demands authorized by this Agreement to be given or made by
   the Company or the Rights Agent to the holder of any Right Certificate
   shall 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 28.   SUPPLEMENTS AND AMENDMENTS.  The Company and
   the Rights Agent may from time to time supplement or amend this
   Agreement without approval of any holders of Right Certificates in
   order to cure any ambiguity, to correct or supplement any provision
   contained herein which may be defective or inconsistent with any other
   provisions herein, to extend the period of redemption provided for in
   Section 24 hereof, or to make any other provisions in regard to
   matters or questions arising hereunder which the Company and the
   Rights Agent may deem necessary or desirable and which shall not
   adversely affect the interests of the holders of Rights Certificates;
   provided, however, that this Agreement may not be supplemented or





   <PAGE>  41

   amended in any way after an Acquiring Person has become such.  Upon
   the delivery of a certificate from an appropriate officer of the
   Company which states that the proposed supplement or amendment is in
   compliance with the terms of this Section 28, the Rights Agent shall
   execute such supplement or amendment unless the Rights Agent shall
   have determined in good faith that such supplement or amendment would
   adversely affect its interest under this Agreement.  Prior to the
   Distribution Date, the interests of the holders of Rights shall be
   deemed coincident with the interests of the holders of Common Stock. 

             Section 29.    DETERMINATION 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 or any other securities of
   which any Person is the Beneficial Owner, shall 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.  The Board of Directors of the
   Company shall have the exclusive power and authority to administer
   this Agreement and to exercise all rights and powers specifically
   granted to the Board, or the Company, or as may be necessary or
   advisable in the administration of this Agreement, including, without
   limitation, the right and power to (i) interpret the provisions of
   this Agreement, and (ii) make all determinations deemed necessary or
   advisable for the administration of this Agreement (including 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) which are done or made by the
   Board in good faith, shall (x) be final, conclusive and binding on the
   Company, the Rights Agent, the holders of the Rights Certificates and
   all other parties, and (y) not subject the Board to any liability to
   the holders of the Rights Certificates.

             Section 30.  SUCCESSORS.  All the covenants and provisions
   of this Agreement by or for the benefit of the Company or the Rights
   Agent shall bind and inure to the benefit of their respective
   successors and assigns hereunder.

             Section 31.  BENEFITS OF THIS AGREEMENT.  Nothing in this
   Agreement shall be construed to give to any person or corporation
   other than the Company, the Rights Agent and the registered holders of
   the Right Certificates (and, prior to the Distribution Date, the
   Common Stock) any legal or equitable right, remedy or claim under this
   Agreement; but this Agreement shall be for the sole and exclusive
   benefit of the Company, the Rights Agent and the registered holders of
   the Right Certificates.

             Section 32.  GOVERNING LAW.  This Agreement and each Right
   Certificate issued hereunder shall be deemed to be a contract made
   under the laws of the State of Delaware and for all purposes shall be
   governed by and construed in accordance with the laws of such state





   <PAGE>  42

   applicable to contracts to be made and performed entirely within such
   state.

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

             Section 34.  DESCRIPTIVE HEADINGS.  Descriptive headings of
   the several Sections of this Agreement are inserted for convenience
   only and shall not control or affect the meaning or construction of
   any of the provisions hereof.

             Section 35.  SEVERABILITY.  If any term, provision, covenant
   or restriction of this Agreement shall be held by a court of competent
   jurisdiction or other authority to be invalid, void, illegal or unen-
   forceable, the validity or enforceability of the remainder of the
   terms, provisions, covenants and restrictions shall not be affected
   thereby.

             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:                                 AAR CORP.


   By   /s/ Howard A. Pulsifer             By  /s/ David P. Storch
        ----------------------------           --------------------------
        Name:  Howard A. Pulsifer              Name:  David P. Storch
        Title:  Vice President, Secretary      Title:  President and 
                and General Counsel                    Chief Executive
                                                        Officer


   Attest:                                 FIRST CHICAGO TRUST COMPANY OF
                                           NEW YORK


   By   /s/ Michael Kane                   By  /s/ James R. Kuzmich
        ----------------------------           --------------------------
        Name:  Michael Kane                    Name:  James R. Kuzmich
        Title:  Assistant Vice President       Title:  Assistant Vice
                                                        President





   <PAGE>  43

                                                                EXHIBIT A

                         FORM OF RIGHTS CERTIFICATE 

    Certificate No. R-                                      _____ Rights 

             NOT EXERCISABLE AFTER AUGUST 6, 2007, OR EARLIER
             IF NOTICE OF REDEMPTION OR EXCHANGE IS GIVEN.  THE
             RIGHTS ARE SUBJECT TO REDEMPTION, AT THE OPTION OF
             THE COMPANY, AT $.01 PER RIGHT ON THE TERMS SET
             FORTH IN THE RIGHTS AGREEMENT BETWEEN AAR CORP.
             AND FIRST CHICAGO TRUST COMPANY OF NEW YORK (THE
             "RIGHTS AGREEMENT").  [THE RIGHTS REPRESENTED BY
             THIS RIGHTS CERTIFICATE WERE ISSUED TO A PERSON
             WHO WAS AN ACQUIRING PERSON OR AN AFFILIATE OR AN
             ASSOCIATE OF AN ACQUIRING PERSON.  THIS RIGHTS
             CERTIFICATE AND THE RIGHTS REPRESENTED HEREBY HAVE
             BECAME VOID TO THE EXTENT PROVIDED BY  SECTION
             7(e) OF THE RIGHTS AGREEMENT.]*


                             RIGHTS CERTIFICATE 

                                  AAR CORP.

        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 July 8, 1997 (the
   "Rights Agreement"), between AAR CORP., a Delaware corporation (the
   "Company"), and First Chicago Trust Company of New York, a national
   banking association  (the "Rights Agent"), to purchase from the
   Company at any time after the Distribution Date (as such term is
   defined in the Rights Agreement) and prior to 5:00 P.M. (Central time)
   on August 6, 2007, at the principal office of the Rights Agent in
   Cranford, New Jersey, one fully paid, non-assessable share of the
   Common Stock, $1.00 par value (the "Common Stock"), of the Company, at
   a purchase price of $125.00 per share (the "Purchase Price"), upon
   presentation and surrender of this Rights Certificate with the
   appropriate Form of Election to Purchase duly executed.  The number of
   Rights evidenced by this Rights Certificate (and the number of shares
   which may be purchased upon exercise thereof) set forth above, and the
   Purchase Price set forth above, are the number and Purchase Price as
   of August 6, 1997 based on the Common Stock of the Company as
   constituted at such date. 

        As provided in the Rights Agreement, the Purchase Price and the
   number of shares of Common Stock or other securities which may be
                       

   * The  portion of  the legend  in brackets shall  be inserted  only if
   applicable.





   <PAGE>  44

   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 hereby incorporated herein by reference
   and made a part hereof 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.  Copies
   of the Rights Agreement are on file at the principal office of the
   Company, and are also available upon written request to the Company. 

        This Rights Certificate, with or without other Rights
   Certificates, upon surrender at the office 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 shall have entitled
   such holder to purchase.  If this Rights Certificate shall be
   exercised (other than pursuant to Section 11(a)(ii) of the Rights
   Agreement) in part, the holder shall be entitled to receive upon
   surrender hereof another Rights Certificate or Rights Certificates for
   the number of whole Rights not exercised.  If this Rights Certificate
   shall be exercised in whole or in part pursuant to Section 11(a)(ii)
   of the Rights Agreement, the holder shall be entitled to receive this
   Rights Certificate duly marked to indicate such exercise has occurred
   as set forth in the Rights Agreement. 

        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 $.01 per Right. Subject to the
   provisions of the Rights Agreement, the Company, at its option, may
   elect to mail payment of the redemption price to the registered holder
   of the Right at the time of redemption, in which event this
   Certificate may become void without any further action by the Company.

        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, as such, shall 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
   which may at any time be issuable on the exercise hereof, nor shall
   anything contained in the Rights Agreement or herein be construed to
   confer upon the holder hereof, as such, any of the rights of a
   shareholder of the Company or any right to vote for the election of
   directors or upon any matter submitted to shareholders at any meeting
   thereof, or to give or withhold consent to any corporate action, or, 





   <PAGE>  45

   to receive notice of meetings or other actions affecting shareholders
   (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 shall have been exercised as
   provided in the Rights Agreement. 

        This Rights Certificate shall not be valid or obligatory for any
   purpose until it shall have been countersigned by the Rights Agent. 

        WITNESS the facsimile signature of the proper officers of the
   Company and its corporate seal.  Dated as of August 6, 1997.

   [SEAL] ATTEST:                          AAR CORP.


   By:__________________________           By:__________________________

      Name:_____________________           Name:________________________

      Title:____________________           Title:_______________________

   Countersigned:

   FIRST CHICAGO TRUST COMPANY OF NEW YORK


   By:__________________________
      Authorized Signatory

      Name:_____________________

      Title:____________________





   <PAGE>  46

                [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 transfers 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: __________ __, 19___

                                           _____________________________
                                           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, savings association,
   credit union or trust company having an office or correspondent in the
   United States or other eligible guarantor institution which is a
   participant in a signature guarantee medallion program. 

                                CERTIFICATE 

             The undersigned hereby certifies by checking the appropriate
   boxes that: 

             (1)  the Rights evidenced by this Rights Certificate [    ]
   are [    ] are 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 or was or
   subsequently became an Acquiring Person or an Affiliate or Associate
   of an Acquiring Person. 


   Dated:__________ ___, _____             _____________________________
                                           Signature





   <PAGE>  47

         [Form of Reverse Side of Rights Certificate -- continued] 

                        FORM OF ELECTION TO PURCHASE

    (To be executed if holder desires to exercise the Rights Certificate
          pursuant to Section 11(a)(ii) of the Rights Agreement.) 

   To:  AAR CORP.

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


   _____________________________________________________________________
         (Please insert social security or other identifying number)

   ______________________________________________________________________
                       (Please print name and address)

        The Rights Certificate indicating the balance, if any, of such
   Rights that may still be exercised pursuant to Section 11(a)(ii) of
   the Rights Agreement shall be returned to the undersigned unless such
   person requests that the Rights Certificate be registered in the name
   of and delivered to: 


   _____________________________________________________________________
        (Please insert social security or other identifying number.)
      (Complete only if the Rights Certificate is to be registered in 
                    a name other than the undersigned's.)

   _____________________________________________________________________
                       (Please print name and address)


   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, savings association,
   credit union or trust company having an office or correspondent in the
   United States or other eligible guarantor institution which is a
   participant in a signature guarantee medallion program.





   <PAGE>  48

                                 CERTIFICATE

        The undersigned hereby certifies that 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) this Rights Certificate [    ] is [    ] is not being sold,
   assigned and 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; 

        (3) 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


                                   NOTICE

        The signature on the foregoing Forms of Assignment and Election
   to Purchase and Certificates 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. 

        In the event the certification set forth above in the Form of
   Assignment or the Form of Election to Purchase, as the case may be, is
   not completed, the Company and the Rights Agent will deem the
   Beneficial Owner of the Rights evidenced by this Rights Certificate to
   be an Acquiring Person or an Affiliate or Associate thereof (as such
   terms are defined in the Rights Agreement) and such Assignment or
   Election to Purchase will not be honored.





   <PAGE>  49

                                                                EXHIBIT B


                                  AAR CORP.
                        SUMMARY OF RIGHTS TO PURCHASE
                                COMMON STOCK 

        On July 8, 1997, the Board of Directors of AAR CORP. (the
   "Company") declared a dividend distribution of one Right for each
   outstanding share of Common Stock, $1.00 par value (the "Common
   Stock"), of the Company to the stockholders of record on August 6,
   1997 (the "Record Date"). Each Right entitles the registered holder to
   purchase from the Company one share of Common Stock at a price of $125
   per share (the "Purchase Price"), subject to adjustment. The
   description and terms of the Rights are set forth in a Rights
   Agreement (the "Rights Agreement") between the Company and The First
   National Bank of Chicago, as Rights Agent (the "Rights Agent").  The
   Rights replace the common stock purchase rights which were initially
   distributed to the Company's stockholders in 1987 and which expired by
   their own terms on August 6, 1997.

        Until the earlier to occur of (i) the tenth business day after a
   public announcement that a person or group of affiliated or associated
   persons acquired, or obtained the right to acquire, beneficial
   ownership of 15% or more of the outstanding shares of Common Stock of
   the Company (such person or group being called an "Acquiring Person"
   and such date of first public announcement being called the "Stock
   Acquisition Date"), or (ii) the tenth business day after the
   commencement or announcement of an intention to make a tender offer or
   exchange offer which would result in any person or group of affiliated
   or associated persons becoming an Acquiring Person (the earlier of
   such dates being called the "Distribution Date"), the Rights will be
   evidenced, with respect to any of the Company's Common Stock
   certificates outstanding as of the Record Date, by such Common Stock
   certificate with a copy of this Summary of Rights attached thereto.
   The Rights Agreement provides that, until the Distribution Date, the
   Rights will be transferred with and only with the Company's Common
   Stock.  Until the Distribution Date (or earlier redemption or
   expiration of the Rights), new Common Stock certificates issued after
   the Record Date upon transfer or new issuance of the Company's Common
   Stock 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 of the
   Company's Common Stock certificates outstanding as of the Record Date
   will also constitute the transfer of the Rights associated with the
   Common Stock represented by such certificate.  As soon as practicable
   following the Distribution Date, separate certificates evidencing the
   Rights ("Rights Certificates") will be mailed to holders of record of
   the Company's Common Stock as of the close of business on the
   Distribution Date and, thereafter, such separate Rights Certificates
   alone will evidence the Rights.





   <PAGE>  50

        The Rights are not exercisable until the Distribution Date.  The
   Rights will expire on August 6, 2007, unless earlier redeemed by the
   Company as described below.

        The Purchase Price payable, and the number of shares of Common
   Stock 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 Stock, (ii) upon the grant to
   holders of Common Stock of certain rights, options or warrants to
   subscribe for shares of Common Stock or convertible securities at less
   than the current market price of the Common Stock or (iii) upon the
   distribution to holders of Common Stock of evidences of indebtedness
   or assets (excluding (a) a regular periodic cash dividend or (b) a
   dividend payable in Common Stock) or of subscription rights, options
   or warrants (other than those referred to above).

        In the event that a person becomes the beneficial owner of 15% or
   more of the outstanding shares of Common Stock (i.e., becomes an
   Acquiring Person), each holder of a Right, other than Rights
   beneficially owned by the Acquiring Person (which will be void),  will
   have the right to receive upon exercise thereof, that number of shares
   of Common Stock  having a market value of two times the exercise price
   of the Right (such right being called the "Flip-In" right).

        In the event that, on or after the Stock Acquisition Date, the
   Company were acquired in a merger or other business combination, or
   50% or more of its assets or earning power were sold, proper provision
   shall be made so that each holder of a Right shall thereafter have the
   right to receive, upon the exercise thereof at the then current
   exercise price of the Right, that number of shares of common stock of
   the acquiring company which at the time of such transaction would have
   a market value of two times the exercise price of the Right.  In the
   event that the Company were the surviving corporation in a merger
   involving the Acquiring Person and the Common Stock were not changed
   or exchanged, proper provision shall be made so that each holder of a
   Right, other than Rights beneficially owned by the Acquiring Person
   (which will be void), will thereafter have the right to receive upon
   exercise that number of shares of the Common Stock having a market
   value of two times the exercise price of the Right (such right being
   called the "Flip-Over" right).  The holder of a right will no longer
   have a Flip-Over right if, and to the extent that, he has exercised
   his Flip-In right.

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





   <PAGE>  51

        At any time prior to the tenth day after the time that there is
   an Acquiring Person, the Company may, at its option, redeem the Rights
   in whole but not in part, at a price of $0.01 per Right (the
   "Redemption Price").  Immediately upon the authorization of the
   redemption of the Rights by the Board of Directors of the Company, the
   Rights will terminate and the only right of the holders of Rights will
   be to receive the Redemption Price.

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

        The Board of Directors of the Company may amend the Rights
   Agreement from time to time, provided that any such changes do not
   adversely affect the interest of the holders of the Rights, and
   provided further that the Rights Agreement may not be supplemented or
   amended in any way after an Acquiring Person has become such.

        A copy of the Rights Agreement has been filed with the Securities
   and Exchange Commission as an Exhibit to a Registration Statement on
   Form 8-A.  A copy of the Rights Agreement is available to all Right
   holders free of charge from the Company.  This summary description of
   the Rights does not purport to be complete and is qualified in its
   entirety by reference to the Rights Agreement, which is hereby
   incorporated herein by reference.


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