LAMSON & SESSIONS CO
8-A12B, 1998-09-09
ELECTRIC LIGHTING & WIRING EQUIPMENT
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<PAGE>   1

                       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

                            THE LAMSON & SESSIONS CO.                           
- --------------------------------------------------------------------------------
             (Exact name of registrant as specified in its charter)

                OHIO                                          34-0349210
- ----------------------------------------       ---------------------------------
(State of incorporation or organization)                     (IRS Employer
                                                             Identification No.)

 25701 Science Park Drive,                                    44122-7313
- ----------------------------------------              --------------------------
 Cleveland, Ohio                                              (Zip Code)
- ----------------------------------------              --------------------------
(Address of principal executive offices)


If this form relates to the                       If this form relates to the
registration of a class of                        registration of a class of
securities pursuant to                            securities pursuant to
Section 12(b) of the                              Section 12(g) of the
Exchange Act and is                               Exchange Act and is 
effective pursuant to                             effective pursuant to
General Instruction A.(c),                        General Instruction A.(d), 
please check the following                        please check the following
box.[X]                                           box. [ ]

Securities Act registration file number to which this form relates, (if
applicable):   _____________________

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

Preferred Share Purchase Rights                      Pacific Stock Exchange
- -------------------------------                  -------------------------------


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 September 8, 1998, the Directors of The Lamson & Sessions Co. (the
"Company") declared a dividend distribution of one right (a "Right") for each
Common Share, without par value (the "Common Shares"), of the Company
outstanding at the close of business on September 20, 1998 (the "Record Date"),
pursuant to the terms of a Rights Agreement, dated as of September 8, 1998 (the
"Rights Agreement"), between the Company and National City Bank, as Rights
Agent. The Rights Agreement also provides, subject to specified exceptions and
limitations, that Common Shares issued or delivered from the Company's treasury
after the Record Date will be entitled to and accompanied by Rights. The Rights
are in all respects subject to and governed by the provisions of the Rights
Agreement, a copy of which (including all exhibits thereto) is filed as Exhibit
4.1 hereto and incorporated herein by this reference. A summary description of
the Rights is set forth in Exhibit C to the Rights Agreement.

ITEM 2.  EXHIBITS.

                  Exhibit
                  Number   Exhibit
                  ------   -------

                  4.1      Rights Agreement (including a Form of Certificate of 
                           Adoption of Amendment as Exhibit A thereto, a Form of
                           Right Certificate as Exhibit B thereto and a Summary
                           of Rights to Purchase Preferred Shares as Exhibit C
                           thereto)

                  99.1    Form of letter to stockholders, dated September, 1998

                                       2

<PAGE>   3
                                    SIGNATURE

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

                                          THE LAMSON & SESSIONS CO.


                                          By:  /s/ James J. Abel
                                               --------------------------------
                                               Name: James J. Abel
                                               Title: Secretary


Dated:  September 9, 1998

                                       3
<PAGE>   4


                                INDEX TO EXHIBITS


        EXHIBIT
        NUMBER           EXHIBIT
        ------           -------

          4.1            Rights Agreement (including a Form of Certificate of 
                         Adoption of Amendment as Exhibit A thereto, a Form of 
                         Right Certificate as Exhibit B thereto and a Summary of
                         Rights to Purchase Common Shares as Exhibit C thereto)

         99.1            Form of letter to shareholders, dated September, 1998



                                       4

<PAGE>   1
                                                                     EXHIBIT 4.1
                                                                     -----------


================================================================================


                                RIGHTS AGREEMENT


                          Dated as of September 8, 1998


                                 By and Between


                            THE LAMSON & SESSIONS CO.


                                       and


                               NATIONAL CITY BANK,
                                 as Rights Agent


================================================================================


<PAGE>   2

                                TABLE OF CONTENTS

<TABLE>
<CAPTION>

                                                                                                               Page
                                                                                                               ----
<S>                                                                                                              <C>
1.       Certain Definitions......................................................................................1

2.       Appointment of Rights Agent..............................................................................4

3.       Issue of Right Certificates..............................................................................5

4.       Form of Right Certificates...............................................................................6

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

6.       Transfer, Split Up, Combination and Exchange of Right Certificates; Mutilated, Destroyed, Lost or Stolen
         Right Certificates.......................................................................................7

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

8.       Cancellation and Destruction of Right Certificates.......................................................9

9.       Company Covenants Concerning Securities and Rights.......................................................9

10.      Record Date.............................................................................................11

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

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

13.      Consolidation, Merger or Sale or Transfer of Assets or Earning Power....................................19

14.      Fractional Rights and Fractional Securities.............................................................22

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

16.      Agreement of Rights Holders.............................................................................24

17.      Right Certificate Holder Not Deemed a Shareholder.......................................................24

18.      Concerning the Rights Agent.............................................................................25

19.      Merger or Consolidation or Change of Name of Rights Agent...............................................25

20.      Duties of Rights Agent..................................................................................26
</TABLE>

                                      (i)

<PAGE>   3

<TABLE>
<CAPTION>
                                                                                                               Page
                                                                                                               ----
<S>                                                                                                              <C>
21.      Change of Rights Agent..................................................................................27

22.      Issuance of New Right Certificates......................................................................28

23.      Redemption..............................................................................................29

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

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

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

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

28.      Successors; Certain Covenants...........................................................................32

29.      Benefits of This Agreement..............................................................................32

30.      Governing Law...........................................................................................32

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

32.      Descriptive Headings, Etc...............................................................................33

33.      Determinations and Actions by the Directors.............................................................33

34.      Counterparts............................................................................................33


Exhibit A.......................................................................................................A-1

Exhibit B.......................................................................................................B-1

Exhibit C.......................................................................................................C-1
</TABLE>




                                      (ii)
<PAGE>   4

                                RIGHTS AGREEMENT
                                ----------------


         RIGHTS AGREEMENT, dated as of September 8, 1998 (this "Agreement"), by
and between The Lamson & Sessions Co., an Ohio corporation (the "Company"), and
National City Bank (the "Rights Agent").

                                    RECITALS
                                    --------

         WHEREAS, on September 8, 1998, the Directors of the Company authorized
and declared a dividend distribution of one right (a "Right") for each share of
Common Stock, without par value (a "Common Share"), outstanding as of the Close
of Business (as hereinafter defined) on September 20, 1998 (the "Record Date"),
each Right initially representing the right to purchase one one-hundredth of a
Preferred Share (as hereinafter defined), on the terms and subject to the
conditions herein set forth, and further authorized and directed the issuance of
one Right (subject to adjustment as provided herein) with respect to each Common
Share issued or delivered by the Company (whether originally issued or delivered
from the Company's treasury) after the Record Date but prior to the earlier of
the Distribution Date (as hereinafter defined) and the Expiration Date (as
hereinafter defined) or as provided in Section 22.

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

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

         (a) "ACQUIRING PERSON" means any Person (other than the Company or any
Related Person) who or which, together with all Affiliates and Associates of
such Person, is the Beneficial Owner of 15% or more of the then-outstanding
Common Shares; PROVIDED, HOWEVER, that a Person will not be deemed to have
become an Acquiring Person solely as a result of a reduction in the number of
Common Shares outstanding unless and until such time as (i) such Person or any
Affiliate or Associate of such Person thereafter becomes the Beneficial Owner of
additional Common Shares representing 1% or more of the then-outstanding Common
Shares, other than as a result of a stock dividend, stock split or similar
transaction effected by the Company in which all holders of Common Shares are
treated equally, or (ii) any other Person who is the Beneficial Owner of Common
Shares representing 1% or more of the then-outstanding Common Shares thereafter
becomes an Affiliate or Associate of such Person. Notwithstanding the foregoing,
if the Directors of the Company determine in good faith that a Person who would
otherwise be an "Acquiring Person" as defined pursuant to the foregoing
provisions of this paragraph (a), has become such inadvertently, and such Person
divests as promptly as practicable a sufficient number of Common Shares so that
such Person would no longer be an "Acquiring Person" as defined pursuant to the
foregoing provisions of this paragraph (a), then such Person shall not be deemed
to be an "Acquiring Person" for any purposes of this Agreement.

         (b) "AFFILIATE" and "ASSOCIATE" will have the respective meanings
ascribed to such terms in Rule 12b-2 of the General Rules and Regulations under
the Exchange Act, as in effect on the date of this Agreement.
<PAGE>   5

         (c) A Person will be deemed the "BENEFICIAL OWNER" of, and to
"BENEFICIALLY OWN," any securities:

                    (i) the beneficial ownership of which such Person or any of
         such Person's Affiliates or Associates, directly or indirectly, has the
         right to acquire (whether such right is exercisable immediately or only
         after the passage of time) pursuant to any agreement, arrangement or
         understanding (whether or not in writing), or upon the exercise of
         conversion rights, exchange rights, warrants, options or other rights
         (in each case, other than upon exercise or exchange of the Rights);
         provided, however, that a Person will not be deemed the Beneficial
         Owner of, or to Beneficially 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 exchange; or

                   (ii) which such Person or any of such Person's Affiliates or
         Associates, directly or indirectly, has or shares the right to vote or
         dispose of, including pursuant to any agreement, arrangement or
         understanding (whether or not in writing); or

                  (iii) of which any other Person is the Beneficial Owner, if
         such Person or any of such Person's Affiliates or Associates has any
         agreement, arrangement or understanding (whether or not in writing)
         with such other Person (or any of such other Person's Affiliates or
         Associates) with respect to acquiring, holding, voting or disposing of
         any securities of the Company;

PROVIDED, HOWEVER, that a Person will not be deemed the Beneficial Owner of, or
to Beneficially Own, any security (A) if such Person has the right to vote such
security pursuant to an agreement, arrangement or understanding (whether or not
in writing) which (1) arises solely from a revocable proxy given to such Person
in response to a public proxy or consent solicitation made pursuant to, and in
accordance with, the applicable rules and regulations of the Exchange Act and
(2) is not also then reportable on Schedule 13D under the Exchange Act (or any
comparable or successor report), or (B) if such beneficial ownership arises
solely as a result of such Person's status as a "clearing agency," as defined in
Section 3(a)(23) of the Exchange Act; PROVIDED FURTHER, HOWEVER, that nothing in
this paragraph (c) will cause a Person engaged in business as an underwriter of
securities to be the Beneficial Owner of, or to Beneficially Own, any securities
acquired through such Person's participation in good faith in an underwriting
syndicate until the expiration of 40 calendar days after the date of such
acquisition, or such later date as the Directors of the Company may determine in
any specific case.

         (d) "BUSINESS DAY" means any day other than a Saturday, Sunday or a day
on which banking institutions in the State of New York or Ohio (or such other
state in which the principal office of the Rights Agent is located) are
authorized or obligated by law or executive order to close.

         (e) "CLOSE OF BUSINESS" on any given date means 5:00 P.M., Eastern
time, on such date; PROVIDED, HOWEVER, that if such date is not a Business Day
it means 5:00 P.M., Eastern time, on the next succeeding Business Day.

                                       2
<PAGE>   6

         (f) "COMMON SHARES" when used with reference to the Company means the
Common Shares, without par value, of the Company; provided, however, that, if
the Company is the continuing or surviving corporation in a transaction
described in Section 13(a)(ii), "Common Shares" when used with reference to the
Company means shares of the capital stock or units of the equity interests with
the greatest aggregate voting power of the Company. "Common Shares" when used
with reference to any corporation or other legal entity other than the Company,
including an Issuer, means shares of the capital stock or units of the equity
interests with the greatest aggregate voting power of such corporation or other
legal entity.

         (g) "COMPANY" means The Lamson & Sessions Co., an Ohio corporation.

         (h) "DISTRIBUTION DATE" means the earlier of: (i) the Close of Business
on the tenth calendar day following the Share Acquisition Date, or (ii) the
Close of Business on the tenth Business Day (or, unless the Distribution Date
shall have previously occurred, such later date as may be specified by the
Directors of the Company) after the commencement of a tender or exchange offer
by any Person (other than the Company or any Related Person), if upon the
consummation thereof such Person would be the Beneficial Owner of 15% or more of
the then-outstanding Common Shares.

         (i) "EXCHANGE ACT" means the Securities Exchange Act of 1934, as
amended.

         (j) "EXPIRATION DATE" means the earliest of (i) the Close of Business
on the Final Expiration Date, (ii) the time at which the Rights are redeemed as
provided in Section 23, and (iii) the time at which all exercisable Rights are
exchanged as provided in Section 24.

         (k) "FINAL EXPIRATION DATE" means the tenth anniversary of the Record
Date.

         (l) "FLIP-IN EVENT" means any event described in clauses (A), (B) or
(C) of Section 11(a)(ii).

         (m) "FLIP-OVER EVENT" means any event described in clauses (i), (ii) or
(iii) of Section 13(a).

         (n) "ISSUER" has the meaning set forth in Section 13(b).

         (o) "NASDAQ" means The NASDAQ Stock Market.

         (p) "PERSON" means any individual, firm, corporation or other legal
entity, and includes any successor (by merger or otherwise) of such entity.

         (q) "PREFERRED SHARES" means shares of Cumulative Redeemable Serial
Preference Stock, Series II, without par value, of the Company having the rights
and preferences set forth in the form of Certificate of Adoption of Amendment to
Articles of Incorporation attached as EXHIBIT A.

                                       3
<PAGE>   7

         (r) "PURCHASE PRICE" means initially $44.75 per one one-hundredth of a
Preferred Share, subject to adjustment from time to time as provided in this
Agreement.

         (s) "RECORD DATE" has the meaning set forth in the Recitals to this
Agreement.

         (t) "REDEMPTION PRICE" means $.01 per Right, subject to adjustment by
resolution of the Directors of the Company to reflect any stock split, stock
dividend or similar transaction occurring after the Record Date.

         (u) "RELATED PERSON" means (i) any Subsidiary of the Company or (ii)
any employee benefit or stock ownership plan of the Company or of any Subsidiary
of the Company or any entity holding Common Shares for or pursuant to the terms
of any such plan.

         (v) "RIGHT" has the meaning set forth in the Recitals to this
Agreement.

         (w) "RIGHT CERTIFICATES" means certificates evidencing the Rights, in
substantially the form attached as Exhibit B.

         (x) "RIGHTS AGENT" means National City Bank, unless and until a
successor Rights Agent has become such pursuant to the terms of this Agreement,
and thereafter, "Rights Agent" means such successor Rights Agent.

         (y) "SECURITIES ACT" means the Securities Act of 1933, as amended.

         (z) "SHARE ACQUISITION DATE" means the first date of public
announcement by the Company (by press release, filing made with the Securities
and Exchange Commission or otherwise) that an Acquiring Person has become such.

         (aa) "SUBSIDIARY" when used with reference to any Person means any
corporation or other legal entity of which a majority of the voting power of the
voting equity securities or equity interests is owned, directly or indirectly,
by such Person; provided, however, that for purposes of Section 13(b),
"Subsidiary" when used with reference to any Person means any corporation or
other legal entity of which at least 20% of the voting power of the voting
equity securities or equity interests is owned, directly or indirectly, by such
Person.

         (bb) "TRADING DAY" means any day on which the principal national
securities exchange on which the Common Shares are listed or admitted to trading
is open for the transaction of business or, if the Common Shares are not listed
or admitted to trading on any national securities exchange, a Business Day.

         (cc) "TRIGGERING EVENT" means any Flip-in Event or Flip-over Event.

         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, will also be, prior to the Distribution Date, the
holders of the Common Shares) in accordance with the terms and conditions
hereof, and the Rights Agent hereby accepts such appointment and

                                       4
<PAGE>   8
hereby certifies that it complies with the requirements of the New York Stock
Exchange governing transfer agents and registrars. The Company may from time to
time act as Co-Rights Agent or appoint such Co-Rights Agents as it may deem
necessary or desirable. Any actions which may be taken by the Rights Agent
pursuant to the terms of this Agreement may be taken by any such Co-Rights
Agent. To the extent that any Co-Rights Agent takes any action pursuant to this
Agreement, such Co-Rights Agent will be entitled to all of the rights and
protections of, and subject to all of the applicable duties and obligations
imposed upon, the Rights Agent pursuant to the terms of this Agreement.

          3. ISSUE OF RIGHT CERTIFICATES. (a) Until the Distribution Date, (i) 
the Rights will be evidenced by the certificates representing Common Shares
registered in the names of the record holders thereof (which certificates
representing Common Shares will also be deemed to be Right Certificates), (ii)
the Rights will be transferable only in connection with the transfer of the
underlying Common Shares, and (iii) the surrender for transfer of any
certificates evidencing Common Shares in respect of which Rights have been
issued will also constitute the transfer of the Rights associated with the
Common Shares evidenced by such certificates. On or as promptly as practicable
after the Record Date, the Company will send by first class, postage prepaid
mail, to each record holder of Common Shares as of the Close of Business on the
Record Date, at the address of such holder shown on the records of the Company
as of such date, a copy of a Summary of Rights to Purchase Preferred Stock in
substantially the form attached as Exhibit C.

         (b) Rights will be issued by the Company in respect of all Common
Shares (other than Common Shares issued upon the exercise or exchange of any
Right) issued or delivered by the Company (whether originally issued or
delivered from the Company's treasury) after the Record Date but prior to the
earlier of the Distribution Date and the Expiration Date. Certificates
evidencing such Common Shares will have stamped on, impressed on, printed on,
written on, or otherwise affixed to them the following legend or such similar
legend as the Company may deem appropriate and as is not inconsistent with the
provisions of this Agreement, or as may be required to comply with any
applicable law or with any rule or regulation made pursuant thereto or with any
rule or regulation of any stock exchange or transaction reporting system on
which the Common Shares may from time to time be listed or quoted, or to conform
to usage:

         This Certificate also evidences and entitles the holder hereof to
         certain Rights as set forth in a Rights Agreement between The Lamson &
         Sessions Co. and National City Bank, dated as of September 8, 1998 (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 The Lamson & Sessions Co. The Rights are not exercisable
         prior to the occurrence of certain events specified in the Rights
         Agreement. Under certain circumstances, as set forth in the Rights
         Agreement, such Rights may be redeemed, may be exchanged, may expire,
         may be amended, or may be evidenced by separate certificates and no
         longer be evidenced by this Certificate. The Lamson & Sessions Co. will
         mail to the holder of this Certificate a copy of the Rights Agreement,
         as in effect on the date of mailing, without charge promptly after
         receipt of a written request therefor. Under certain circumstances as
         set forth in the Rights Agreement, Rights that are or were beneficially
         owned by 

                                       5
<PAGE>   9

         an Acquiring Person or any Affiliate or Associate of an Acquiring 
         Person (as such terms are defined in the Rights Agreement) may become 
         null and void.

         (c) Any Right Certificate issued pursuant to this Section 3 that
represents Rights beneficially owned by an Acquiring Person or any Associate or
Affiliate thereof and any Right Certificate issued at any time upon the transfer
of any Rights to an Acquiring Person or any Associate or Affiliate thereof or to
any nominee of such Acquiring Person, Associate or Affiliate and any Right
Certificate issued pursuant to Section 6 or 11 hereof upon transfer, exchange,
replacement or adjustment of any other Right Certificate referred to in this
sentence, shall be subject to and contain the following legend or such similar
legend as the Company may deem appropriate and as is 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:

         The Rights represented by this Right Certificate are or were
         beneficially owned by 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). This Right Certificate and the Rights
         represented hereby may become null and void in the circumstances
         specified in Section 11(a)(ii) or Section 13 of the Rights Agreement.

         (d) As promptly as practicable after the Distribution Date, the Company
will prepare and execute, the Rights Agent will countersign and the Company will
send or cause to be sent (and the Rights Agent will, if requested, send), by
first class, insured, postage prepaid mail, to each record holder of Common
Shares as of the Close of Business on the Distribution Date, at the address of
such holder shown on the records of the Company, a Right Certificate evidencing
one Right for each Common Share so held, subject to adjustment as provided
herein. As of and after the Distribution Date, the Rights will be evidenced
solely by such Right Certificates.

         (e) In the event that the Company purchases or otherwise acquires any
Common Shares after the Record Date but prior to the Distribution Date, any
Rights associated with such Common Shares will be deemed canceled and retired so
that the Company will not be entitled to exercise any Rights associated with the
Common Shares so purchased or acquired.

         4. FORM OF RIGHT CERTIFICATES. The Right Certificates (and the form of 
election to purchase and the form of assignment to be printed on the reverse
thereof) will be substantially in the form attached as EXHIBIT B with such
changes and 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 or transaction
reporting system on which the Rights may from time to time be listed or quoted,
or to conform to usage. Subject to the provisions of Section 22, the Right
Certificates, whenever issued, on their face will entitle the holders thereof to
purchase such number of one one-hundredths of a Preferred Share as are set forth
therein at the Purchase Price set forth therein, but the Purchase Price, the
number and kind of securities issuable



                                       6
<PAGE>   10

upon exercise of each Right and the number of Rights outstanding will be subject
to adjustment as provided herein.

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

         (b) Following the Distribution Date, the Rights Agent will keep or
cause to be kept, at the principal office of the Rights Agent designated for
such purpose and at such other offices as may be required to comply with any
applicable law or with any rule or regulation made pursuant thereto or with any
rule or regulation of any stock exchange or any transaction reporting system on
which the Rights may from time to time be listed or quoted, books for
registration and transfer of the Right Certificates issued hereunder. Such books
will 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.

         6. TRANSFER, SPLIT UP, COMBINATION AND EXCHANGE OF RIGHT CERTIFICATES;
MUTILATED, DESTROYED, LOST OR STOLEN. (a) Subject to the provisions of Sections
7(d) and 14, at any time after the Close of Business on the Distribution Date
and prior to the Expiration Date, any Right Certificate or Right Certificates
representing exercisable Rights 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 one one-hundredths of a Preferred
Share (or other securities, as the case may be) as the Right Certificate or
Right Certificates surrendered then entitled such holder (or former holder in
the case of a transfer) to purchase. Any registered holder desiring to transfer,
split up, combine or exchange any such Right Certificate or Rights Certificates
must make such request in a writing delivered to the Rights Agent and must
surrender the Right Certificate or Right Certificates to be transferred, split
up, combined or exchanged at the principal office of the Rights Agent designated
for such purpose. Thereupon or as promptly as practicable thereafter, subject to
the provisions of Sections 7(d) and 14, the Company will prepare, execute and
deliver to the Rights Agent, and the Rights Agent will countersign and deliver,
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.

                                       7


<PAGE>   11

         (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, if requested by the Company,
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 prepare, execute and
deliver a new Right Certificate of like tenor to the Rights Agent and the Rights
Agent will countersign and deliver such new Right Certificate to the registered
holder in lieu of the Right Certificate so lost, stolen, destroyed or mutilated.

         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 and prior to the Expiration 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 office or offices of the
Rights Agent designated for such purpose, together with payment in cash, in
lawful money of the United States of America by certified check or bank draft
payable to the order of the Company, equal to the sum of (i) the exercise price
for the total number of securities as to which such surrendered Rights are
exercised and (ii) an amount equal to any applicable transfer tax required to be
paid by the holder of such Right Certificate in accordance with the provisions
of Section 9(d).

         (b) Upon receipt of a Right Certificate representing exercisable Rights
with the form of election to purchase duly executed, accompanied by payment as
described above, the Rights Agent will promptly (i) requisition from any
transfer agent of the Preferred Shares (or make available, if the Rights Agent
is the transfer agent) certificates representing the number of one
one-hundredths of a Preferred Share to be purchased (and the Company hereby
irrevocably authorizes and directs its transfer agent to comply with all such
requests), or, if the Company elects to deposit Preferred Shares issuable upon
exercise of the Rights hereunder with a depositary agent, requisition from the
depositary agent depositary receipts representing such number of one
one-hundredths of a Preferred Share as are to be purchased (and the Company
hereby irrevocably authorizes and directs such depositary agent to comply with
all such requests), (ii) after receipt of such certificates (or depositary
receipts, as the case may be), 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, (iii) when appropriate,
requisition from the Company or any transfer agent therefor (or make available,
if the Rights Agent is the transfer agent) certificates representing the number
of equivalent common shares to be issued in lieu of the issuance of Common
Shares in accordance with the provisions of Section 11(a)(iii), (iv) when
appropriate, 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, (v) when
appropriate, requisition from the Company the amount of cash to be paid in lieu
of the issuance of fractional shares in accordance with the provisions of
Section 14 or in lieu of the issuance of Common Shares in accordance with the
provisions of Section 11(a)(iii), (vi) when appropriate, after receipt, deliver
such cash to or upon the order of the registered holder of such Right
Certificate, and (vii) when appropriate, deliver any due bill or other
instrument provided to the Rights Agent by the Company for delivery to the
registered holder of such Right Certificate as provided by Section 11(l).

                                       8
<PAGE>   12


         (c) In case the registered holder of any Right Certificate exercises
less than all the Rights evidenced thereby, the Company will prepare, execute
and deliver a new Right Certificate evidencing Rights equivalent to the Rights
remaining unexercised and the Rights Agent will countersign and deliver such new
Right Certificate to the registered holder of such Right Certificate or to his
duly authorized assigns, subject to the provisions of Section 14.

         (d) Notwithstanding anything in this Agreement to the contrary, neither
the Rights Agent nor the Company will be obligated to undertake any action with
respect to any purported transfer, split up, combination or exchange of any
Right Certificate pursuant to Section 6 or exercise of a Right Certificate as
set forth in this Section 7 unless the registered holder of such Right
Certificate has (i) completed and signed the certificate following the form of
assignment or the form of election to purchase, as applicable, set forth on the
reverse side of the Right Certificate surrendered for such transfer, split up,
combination, exchange or 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 may reasonably request.

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

         9. COMPANY COVENANTS CONCERNING SECURITIES AND RIGHTS. The Company
covenants and agrees that:

                  (a) It will cause to be reserved and kept available out of its
         authorized and unissued Preferred Shares or any Preferred Shares held
         in its treasury, a number of Preferred Shares that will be sufficient
         to permit the exercise in full of all outstanding Rights in accordance
         with Section 7.

                  (b) So long as the Preferred Shares (and, following the
         occurrence of a Triggering Event, Common Shares and/or other
         securities) issuable upon the exercise of the Rights may be listed on a
         national securities exchange, or quoted on Nasdaq, it will endeavor to
         cause, from and after such time as the Rights become exercisable, all
         securities reserved for issuance upon the exercise of Rights to be
         listed on such exchange, or quoted on Nasdaq, upon official notice of
         issuance upon such exercise.

                  (c) It will take all such action as may be necessary to ensure
         that all Preferred Shares (and, following the occurrence of a
         Triggering Event, Common Shares and/or other securities) delivered upon
         exercise of Rights, at the time of delivery of the 



                                       9
<PAGE>   13

         certificates for such securities, will be (subject to payment of the
         Purchase Price) duly authorized, validly issued, fully paid and
         nonassessable securities.

                  (d) It will pay when due and payable any and all federal and
         state transfer taxes and charges that may be payable in respect of the
         issuance or delivery of the Right Certificates and of any certificates
         representing securities issued upon the exercise of Rights; PROVIDED,
         HOWEVER, that the Company will not be required to pay any transfer tax
         or charge which may be payable in respect of any transfer or delivery
         of Right Certificates to a person other than, or the issuance or
         delivery of certificates or depositary receipts representing securities
         issued upon the exercise of Rights 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 or
         depositary receipts representing securities issued upon the exercise of
         any Rights until any such tax or charge has been paid (any such tax or
         charge being payable by the holder of such Right Certificate at the
         time of surrender) or until it has been established to the Company's
         reasonable satisfaction that no such tax is due.

                  (e) It will use its best efforts (i) to file on an appropriate
         form, as soon as practicable following the later of the Share
         Acquisition Date and the Distribution Date, a registration statement
         under the Securities Act with respect to the securities issuable upon
         exercise of the Rights, (ii) to cause such registration statement to
         become effective as soon as practicable after such filing, and (iii) to
         cause such registration statement to remain effective (with a
         prospectus at all times meeting the requirements of the Securities Act)
         until the earlier of (A) the date as of which the Rights are no longer
         exercisable for such securities and (B) the Expiration Date. The
         Company will also take such action as may be appropriate under, or to
         ensure compliance with, the securities or "blue sky" laws of the
         various states in connection with the exercisability of the Rights. The
         Company may temporarily suspend, for a period of time after the date
         set forth in clause (i) of the first sentence of this Section 9(e), the
         exercisability of the Rights in order to prepare and file such
         registration statement and to permit it to become effective. Upon any
         such suspension, the Company will issue a public announcement stating
         that the exercisability of the Rights has been temporarily suspended,
         as well as a public announcement at such time as the suspension is no
         longer in effect. In addition, if the Company determines that a
         registration statement should be filed under the Securities Act or any
         state securities laws following the Distribution Date, the Company may
         temporarily suspend the exercisability of the Rights in each relevant
         jurisdiction until such time as a registration statement has been
         declared effective and, upon any such suspension, the Company will
         issue a public announcement stating that the exercisability of the
         Rights has been temporarily suspended, as well as a public announcement
         at such time as the suspension is no longer in effect. Notwithstanding
         anything in this Agreement to the contrary, the Rights will not be
         exercisable in any jurisdiction if the requisite registration or
         qualification in such jurisdiction has not been effected or the
         exercise of the Rights is not permitted under applicable law.

                  (f) Notwithstanding anything in this Agreement to the
         contrary, after the later of the Share Acquisition Date and the
         Distribution Date it will not take (or permit any  



                                       10
<PAGE>   14

         Subsidiary to take) any action if at the time such action is taken it
         is reasonably foreseeable that such action will eliminate or otherwise
         diminish the benefits intended to be afforded by the Rights.

                  (g) In the event that the Company is obligated to issue other
         securities of the Company and/or pay cash pursuant to Section 11, 13,
         14 or 24 it will make all arrangements necessary so that such other
         securities and/or cash are available for distribution by the Rights
         Agent, if and when appropriate.

         10. RECORD DATE. Each Person in whose name any certificate representing
Preferred Shares (or Common Shares and/or other securities, as the case may be)
is issued upon the exercise of Rights will for all purposes be deemed to have
become the holder of record of the Preferred Shares (or Common Shares and/or
other securities, as the case may be) represented thereby on, and such
certificate will be dated, the date upon which the Right Certificate evidencing
such Rights was duly surrendered and payment of the Purchase Price (and all
applicable transfer taxes) was made; PROVIDED, HOWEVER, that if the date of such
surrender and payment is a date upon which the transfer books of the Company for
the Preferred Shares (or Common Shares and/or other securities, as the case may
be) are closed, such Person will be deemed to have become the record holder of
such securities on, and such certificate will be dated, the next succeeding
Business Day on which the transfer books of the Company for the Preferred Shares
(or Common Shares and/or other securities, as the case may be) are open. Prior
to the exercise of the Rights evidenced thereby, the holder of a Right
Certificate will not be entitled to any rights of a holder of any security for
which the Rights are or may become exercisable, including, without limitation,
the right to vote, to receive dividends or other distributions, or to exercise
any preemptive rights, and will not be entitled to receive any notice of any
proceedings of the Company, except as provided herein.

         11. ADJUSTMENT OF PURCHASE PRICE, NUMBER AND KIND OF SECURITIES OR
NUMBER OF RIGHTS. The Purchase Price, the number and kind of securities issuable
upon exercise of 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 that the Company at any time after the Record Date
         (A) declares a dividend on the Preferred Shares payable in Preferred
         Shares, (B) subdivides the outstanding Preferred Shares, (C) combines
         the outstanding Preferred Shares into a smaller number of Preferred
         Shares, or (D) issues any shares of its capital stock in a
         reclassification of the Preferred Shares (including any such
         reclassification in connection with a consolidation or merger in which
         the Company is the continuing or surviving corporation), except as
         otherwise provided in this Section 11(a), the Purchase Price in effect
         at the time of the record date for such dividend or of the effective
         date of such subdivision, combination or reclassification and/or the
         number and/or kind of shares of capital stock issuable on such date
         upon exercise of a Right, will be proportionately adjusted so that the
         holder of any Right exercised after such time is entitled to receive
         upon payment of the Purchase Price then in effect the aggregate number
         and kind of shares of capital stock which, if such Right had been
         exercised immediately prior to such date and at a time when the
         transfer books of the Company for the Preferred Shares were



                                       11
<PAGE>   15

         open, the holder of such Right would have owned upon such exercise
         (and, in the case of a reclassification, would have retained after
         giving effect to such reclassification) and would have been entitled to
         receive by virtue of such dividend, subdivision, combination or
         reclassification; 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 issuable upon
         exercise of one Right. If an event occurs which would require an
         adjustment under both this Section 11(a)(i) and Section 11(a)(ii) or
         Section 13, the adjustment provided for in this Section 11(a)(i) will
         be in addition to, and will be made prior to, any adjustment required
         pursuant to Section 11(a)(ii) or Section 13.

                    (ii)   Subject to the provisions of Section 24, if:

              (A)  any Person becomes an Acquiring Person; or

                  (B) any Acquiring Person or any Affiliate or Associate of any
         Acquiring Person, directly or indirectly, (1) merges into the Company
         or otherwise combines with the Company and the Company is the
         continuing or surviving corporation of such merger or combination
         (other than in a transaction subject to Section 13), (2) merges or
         otherwise combines with any Subsidiary of the Company, (3) in one or
         more transactions (otherwise than in connection with the exercise,
         exchange or conversion of securities exercisable or exchangeable for or
         convertible into shares of any class of capital stock of the Company or
         any of its Subsidiaries) transfers cash, securities or any other
         property to the Company or any of its Subsidiaries in exchange (in
         whole or in part) for shares of any class of capital stock of the
         Company or any of its Subsidiaries or for securities exercisable or
         exchangeable for or convertible into shares of any class of capital
         stock of the Company or any of its Subsidiaries, or otherwise obtains
         from the Company or any of its Subsidiaries, with or without
         consideration, any additional shares of any class of capital stock of
         the Company or any of its Subsidiaries or securities exercisable or
         exchangeable for or convertible into shares of any class of capital
         stock of the Company or any of its Subsidiaries (otherwise than as part
         of a pro rata distribution to all holders of shares of any class of
         capital stock of the Company, or any of its Subsidiaries), (4) sells,
         purchases, leases, exchanges, mortgages, pledges, transfers or
         otherwise disposes (in one or more transactions) to, from, with or of,
         as the case may be, the Company or any of its Subsidiaries (otherwise
         than in a transaction subject to Section 13), any property, including
         securities, on terms and conditions less favorable to the Company than
         the Company would be able to obtain in an arm's-length transaction with
         an unaffiliated third party, (5) receives any compensation from the
         Company or any of its Subsidiaries other than compensation as a
         director or a regular full-time employee, in either case at rates
         consistent with the Company's (or its Subsidiaries') past practices, or
         (6) receives the benefit, directly or indirectly (except
         proportionately as a shareholder), of any loans, advances, guarantees,
         pledges or other financial assistance or any tax credits or other tax
         advantage provided by the Company or any of its Subsidiaries; or

                     (C) during such time as there is an Acquiring Person, there
         is any reclassification of securities of the Company (including any
         reverse stock split), or any recapitalization of the Company, or any
         merger or consolidation of the Company with any 



                                       12
<PAGE>   16

         of its Subsidiaries, or any other transaction or series of transactions
         involving the Company or any of its Subsidiaries (whether or not with
         or into or otherwise involving an Acquiring Person), other than a
         transaction subject to Section 13, which has the effect, directly or
         indirectly, of increasing by more than 1% the proportionate share of
         the outstanding shares of any class of equity securities of the Company
         or any of its Subsidiaries, or of securities exercisable or
         exchangeable for or convertible into equity securities of the Company
         or any of its Subsidiaries, of which an Acquiring Person, or any
         Affiliate or Associate of any Acquiring Person, is the Beneficial
         Owner;

                  then, and in each such case, from and after the latest of the
         Distribution Date, the Share Acquisition Date and the date of the
         occurrence of such Flip-in Event, proper provision will be made so that
         each holder of a Right, except as provided below, will thereafter have
         the right to receive, upon exercise thereof in accordance with the
         terms of this Agreement at an exercise price per Right equal to the
         product of the then-current Purchase Price multiplied by the number of
         one one-hundredths of a Preferred Share for which a Right was
         exercisable immediately prior to the date of the occurrence of such
         Flip-in Event (or, if any other Flip-in Event shall have previously
         occurred, the product of the then-current Purchase Price multiplied by
         the number of one one-hundredths of a Preferred Share for which a Right
         was exercisable immediately prior to the date of the first occurrence
         of a Flip-in Event), in lieu of Preferred Shares, such number of Common
         Shares as equals the result obtained by (x) multiplying the
         then-current Purchase Price by the number of one one-hundredths of a
         Preferred Share for which a Right was exercisable immediately prior to
         the date of the occurrence of such Flip-in Event (or, if any other
         Flip-in Event shall have previously occurred, multiplying the
         then-current Purchase Price by the number of one one-hundredths of a
         Preferred Share for which a Right was exercisable immediately prior to
         the date of the first occurrence of a Flip-in Event), and dividing that
         product by (y) 50% of the current per share market price of the Common
         Shares (determined pursuant to Section 11(d)) on the date of the
         occurrence of such Flip- in Event. Notwithstanding anything in this
         Agreement to the contrary, from and after the first occurrence of a
         Flip-in Event, any Rights that are Beneficially Owned by (A) any
         Acquiring Person (or any Affiliate or Associate of any Acquiring
         Person), (B) a transferee of any Acquiring Person (or any such
         Affiliate or Associate) who becomes a transferee after the occurrence
         of a Flip-in Event, or (C) a transferee of any Acquiring Person (or any
         such Affiliate or Associate) who became a transferee prior to or
         concurrently with the occurrence of a Flip-in Event pursuant to either
         (1) a transfer from an Acquiring Person to holders of its equity
         securities or to any Person with whom it has any continuing agreement,
         arrangement or understanding regarding the transferred Rights or (2) a
         transfer which the Directors of the Company have determined is part of
         a plan, arrangement or understanding which has the purpose or effect of
         avoiding the provisions of this Section 11(a)(ii), and subsequent
         transferees of any of such Persons, will be void without any further
         action and any holder of such Rights will thereafter have no rights
         whatsoever with respect to such Rights under any provision of this
         Agreement. The Company will use all reasonable efforts to ensure that
         the provisions of this Section 11(a)(ii) are complied with, but will
         have no liability to any holder of Right Certificates or any other
         Person as a result of its failure to make any determinations with
         respect to an Acquiring Person or its Affiliates, Associates or
         transferees hereunder. Upon the occurrence of a Flip-in Event,




                                       13
<PAGE>   17

         no Right Certificate that represents Rights that are or have become
         void pursuant to the provisions of this Section 11(a)(ii) will
         thereafter be issued pursuant to Section 3 or Section 6, and any Right
         Certificate delivered to the Rights Agent that represents Rights that
         are or have become void pursuant to the provisions of this Section
         11(a)(ii) will be canceled. Upon the occurrence of a Flip-over Event,
         any Rights that shall not have been previously exercised pursuant to
         this Section 11(a)(ii) shall thereafter be exercisable only pursuant to
         Section 13 and not pursuant to this Section 11(a)(ii).

                  (iii) Upon the occurrence of a Flip-in Event, if there are not
         sufficient Common Shares authorized but unissued or issued but not
         outstanding to permit the issuance of all the Common Shares issuable in
         accordance with Section 11(a)(ii) upon the exercise of a Right, the
         Directors of the Company will use their best efforts promptly to
         authorize and, subject to the provisions of Section 9(e), make
         available for issuance additional Common Shares or other equity
         securities of the Company having equivalent voting rights and an
         equivalent value (as determined in good faith by the Directors of the
         Company) to the Common Shares (for purposes of this Section 11(a)(iii),
         "equivalent common shares"). In the event that equivalent common shares
         are so authorized, upon the exercise of a Right in accordance with the
         provisions of Section 7, the registered holder will be entitled to
         receive (A) Common Shares, to the extent any are available, and (B) a
         number of equivalent common shares, which the Directors of the Company
         have determined in good faith to have a value equivalent to the excess
         of (x) the aggregate current per share market value on the date of the
         occurrence of the most recent Flip-in Event of all the Common Shares
         issuable in accordance with Section 11(a)(ii) upon the exercise of a
         Right (the "Exercise Value") over (y) the aggregate current per share
         market value on the date of the occurrence of the most recent Flip-in
         Event of any Common Shares available for issuance upon the exercise of
         such Right; PROVIDED, HOWEVER, that if at any time after 90 calendar
         days after the latest of the Share Acquisition Date, the Distribution
         Date and the date of the occurrence of the most recent Flip-in Event,
         there are not sufficient Common Shares and/or equivalent common shares
         available for issuance upon the exercise of a Right, then the Company
         will be obligated to deliver, upon the surrender of such Right and
         without requiring payment of the Purchase Price, Common Shares (to the
         extent available), equivalent common shares (to the extent available)
         and then cash (to the extent permitted by applicable law and any
         agreements or instruments to which the Company is a party in effect
         immediately prior to the Share Acquisition Date), which securities and
         cash have an aggregate value equal to the excess of (1) the Exercise
         Value over (2) the product of the then-current Purchase Price
         multiplied by the number of one one-hundredths of a Preferred Share for
         which a Right was exercisable immediately prior to the date of the
         occurrence of the most recent Flip-in Event (or, if any other Flip-in
         Event shall have previously occurred, the product of the then-current
         Purchase Price multiplied by the number of one one-hundredths of a
         Preferred Share for which a Right would have been exercisable
         immediately prior to the date of the occurrence of such Flip-in Event
         if no other Flip-in Event had previously occurred). To the extent that
         any legal or contractual restrictions prevent the Company from paying
         the full amount of cash payable in accordance with the foregoing
         sentence, the Company will pay to holders of the Rights as to which
         such payments are being made all amounts which are not then restricted
         on a pro

                                       14
<PAGE>   18

         rata basis and will continue to make payments on a pro rata basis as
         promptly as funds become available until the full amount due to each
         such Rights holder has been paid.

         (b) In the event that the Company fixes a record date for the issuance
of rights, options or warrants to all holders of Preferred Shares entitling them
(for a period expiring within 45 calendar days after such record date) to
subscribe for or purchase Preferred Shares (or securities having equivalent
rights, privileges and preferences as the Preferred Shares (for purposes of this
Section 11(b), "equivalent preferred shares")) or securities convertible into
Preferred Shares or equivalent preferred shares at a price per Preferred Share
or equivalent preferred share (or having a conversion price per share, if a
security convertible into Preferred Shares or equivalent preferred shares) less
than the current per share market price of the Preferred Shares (determined
pursuant to Section 11(d)) on such record date, the Purchase Price to be in
effect after such record date will be determined by multiplying the Purchase
Price in effect immediately prior to such record date by a fraction, the
numerator of which is the number of Preferred Shares outstanding on such record
date plus the number of Preferred Shares which the aggregate offering price of
the total number of Preferred Shares and/or equivalent preferred shares so to be
offered (and/or the aggregate initial conversion price of the convertible
securities so to be offered) would purchase at such current per share market
price and the denominator of which is the number of Preferred Shares outstanding
on such record date plus the number of additional Preferred Shares and/or
equivalent preferred shares 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 issuable upon exercise of one Right. In case such subscription
price may be paid in a consideration part or all of which is in a form other
than cash, the value of such consideration will be as determined in good faith
by the Directors of the Company, whose determination will be described in a
statement filed with the Rights Agent. Preferred Shares owned by or held for the
account of the Company will not be deemed outstanding for the purpose of any
such computation. Such adjustment will be made successively whenever such a
record date is fixed, and in the event that such rights, options or warrants are
not so issued, the Purchase Price will be adjusted to be the Purchase Price
which would then be in effect if such record date had not been fixed.

         (c) In the event that the Company fixes a record date for the making of
a distribution to all holders of Preferred Shares (including any such
distribution made in connection with a consolidation or merger in which the
Company is the continuing or surviving corporation) of evidences of
indebtedness, cash (other than a regular periodic cash dividend), assets, stock
(other than a dividend payable in Preferred Shares) or subscription rights,
options or warrants (excluding those referred to in Section 11(b)), the Purchase
Price to be in effect after such record date will be determined by multiplying
the Purchase Price in effect immediately prior to such record date by a
fraction, the numerator of which is the current per share market price of the
Preferred Shares (as determined pursuant to Section 11(d)) on such record date
or, if earlier, the date on which Preferred Shares begin to trade on an
ex-dividend or when issued basis for such distribution, less the fair market
value (as determined in good faith by the Directors of the Company, whose
determination will be described in a statement filed with the Rights Agent) of
the portion of the evidences of indebtedness, cash, assets or stock so to be
distributed or of such subscription rights, options or warrants applicable to
one Preferred Share, and the denominator of which is such 



                                       15
<PAGE>   19

current per share market price of the Preferred Shares; 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 issuable upon
exercise of one Right. Such adjustments will be made successively whenever such
a record date is fixed; and in the event that such distribution is not so made,
the Purchase Price will again be adjusted to be the Purchase Price which would
then be in effect if such record date had not been fixed.

         (d) (i) For the purpose of any computation hereunder, the "current per
         share market price" of Common Shares on any date will be deemed to be
         the average of the daily closing prices per share of such Common Shares
         for the 30 consecutive Trading Days immediately prior to such date;
         PROVIDED, HOWEVER, that in the event that the current per share market
         price of the Common Shares is determined during a period following the
         announcement by the issuer of such Common Shares of (A) a dividend or
         distribution on such Common Shares payable in such Common Shares or
         securities convertible into such Common Shares (other than the Rights)
         or (B) any subdivision, combination or reclassification of such Common
         Shares, 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, then, and in
         each such case, the current per share market price will be
         appropriately adjusted to take into account ex-dividend trading or to
         reflect the current per share market price per Common Share equivalent.
         The closing price for each day will be the last sale price, regular
         way, or, in case no such sale takes place on such day, the average of
         the closing bid and asked prices, regular way, in either case as
         reported in the principal consolidated transaction reporting system
         with respect to securities listed or admitted to trading on the New
         York Stock Exchange or, if the Common Shares 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
         Common Shares are listed or admitted to trading or, if the Common
         Shares 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 Common Shares 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 Shares selected
         by the Directors of the Company. If the Common Shares are not publicly
         held or not so listed or traded, or are not the subject of available
         bid and asked quotes, "current per share market price" will mean the
         fair value per share as determined in good faith by the Directors of
         the Company, whose determination will be described in a statement filed
         with the Rights Agent.

                    (ii) For the purpose of any computation hereunder, the
         "current per share market price" of the Preferred Shares will be
         determined in the same manner as set forth above for Common Shares in
         Section 11(d)(i), other than the last sentence thereof. If the current
         per share market price of the Preferred Shares cannot be determined in
         the manner provided above, the "current per share market price" of the
         Preferred Shares will be conclusively deemed to be an amount equal to
         the current per share market price of the Common Shares multiplied by
         one hundred (as such number may be appropriately 



                                       16
<PAGE>   20

         adjusted to reflect events such as stock splits, stock dividends,
         recapitalizations or similar transactions relating to the Common Shares
         occurring after the date of this Agreement). If neither the Common
         Shares nor the Preferred Shares are publicly held or so listed or
         traded, or the subject of available bid and asked quotes, "current per
         share market price" of the Preferred Shares will mean the fair value
         per share as determined in good faith by the Directors of the Company,
         whose determination will be described in a statement filed with the
         Rights Agent. For all purposes of this Agreement, the current per share
         market price of one one-hundredth of a Preferred Share will be equal to
         the current per share market price of one Preferred Share divided by
         one hundred.

         (e) Except as set forth below, no adjustment in the Purchase Price will
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 will be carried forward and
taken into account in any subsequent adjustment. All calculations under this
Section 11 will be made to the nearest cent or to the nearest one one- millionth
of a Preferred Share or one ten-thousandth of a Common Share or other security,
as the case may be. Notwithstanding the first sentence of this Section 11(e),
any adjustment required by this Section 11 will be made no later than the
earlier of (i) three years from the date of the transaction which requires such
adjustment and (ii) the Expiration Date.

         (f) If as a result of an adjustment made pursuant to Section 11(a), the
holder of any Right thereafter exercised becomes entitled to receive any
securities of the Company other than Preferred Shares, thereafter the number
and/or kind of such other securities so receivable upon exercise of any Right
(and/or the Purchase Price in respect thereof) will be subject to adjustment
from time to time in a manner and on terms as nearly equivalent as practicable
to the provisions with respect to the Preferred Shares (and the Purchase Price
in respect thereof) contained in this Section 11, and the provisions of Sections
7, 9, 10, 13 and 14 with respect to the Preferred Shares (and the Purchase Price
in respect thereof) will apply on like terms to any such other securities (and
the Purchase Price in respect thereof).

         (g) All Rights originally issued by the Company subsequent to any
adjustment made to the Purchase Price hereunder will evidence the right to
purchase, at the adjusted Purchase Price, the number of one one-hundredths of a
Preferred Share issuable from time to time hereunder upon exercise of the
Rights, all subject to further adjustment as provided herein.

         (h) Unless the Company has exercised its election as provided in
Section 11(i), upon each adjustment of the Purchase Price pursuant to Section
11(b) or Section 11(c), each Right outstanding immediately prior to the making
of such adjustment will thereafter evidence the right to purchase, at the
adjusted Purchase Price, that number of one one-hundredths of a Preferred Share
(calculated to the nearest one one-millionth of a Preferred Share) obtained by
(i) multiplying (x) the number of one one-hundredths of a Preferred Share
issuable upon exercise of a Right immediately prior to such adjustment of the
Purchase Price by (y) the Purchase Price in effect immediately prior to such
adjustment of the Purchase Price and (ii) dividing the product so obtained by
the Purchase Price in effect immediately after such adjustment of the Purchase
Price.

                                       17
<PAGE>   21

         (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 one one-hundredths of a Preferred Share issuable
upon the exercise of a Right. Each of the Rights outstanding after such
adjustment of the number of Rights will be exercisable for the number of one
one-hundredths of a Preferred Share for which a Right was exercisable
immediately prior to such adjustment. Each Right held of record prior to such
adjustment of the number of Rights will become that number of Rights (calculated
to the nearest one 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
will make a public announcement of its election to adjust the number of Rights,
indicating the record date for the adjustment, and, if known at the time, the
amount of the adjustment to be made. 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, will be at least 10 calendar 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 will, as promptly as practicable, cause to be distributed to holders of
record of Right Certificates on such record date Right Certificates evidencing,
subject to the provisions of Section 14, the additional Rights to which such
holders are entitled as a result of such adjustment, or, at the option of the
Company, will cause to be distributed to such holders of record in substitution
and replacement for the 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 are entitled
after such adjustment. Right Certificates so to be distributed will 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 will be registered
in the names of the holders of record of Right Certificates on the record date
specified in the public announcement.

         (j) Without respect to any adjustment or change in the Purchase Price
and/or the number and/or kind of securities issuable upon the exercise of the
Rights, the Right Certificates theretofore and thereafter issued may continue to
express the Purchase Price and the number and kind of securities which were
expressed in the initial Right Certificate issued hereunder.

         (k) Before taking any action that would cause an adjustment reducing
the Purchase Price below one one-hundredth of the then par value, if any, of the
Preferred Shares or below the then par value, if any, of any other securities of
the Company issuable upon exercise of the Rights, the Company will 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
Preferred Shares or such other securities, as the case may be, at such adjusted
Purchase Price.

         (l) In any case in which this Section 11 otherwise requires that an
adjustment in the Purchase Price be made effective as of a record date for a
specified event, the Company may elect to defer until the occurrence of such
event the issuance to the holder of any Right exercised after such record date
the number of Preferred Shares or other securities of the Company, if any,
issuable upon such exercise over and above the number of Preferred Shares or
other 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 delivers to such holder a due bill or 



                                       18
<PAGE>   22

other appropriate instrument evidencing such holder's right to receive such
additional Preferred Shares or other securities upon the occurrence of the event
requiring such adjustment.

         (m) Notwithstanding anything in this Agreement to the contrary, the
Company will be entitled to make such reductions in the Purchase Price, in
addition to those adjustments expressly required by this Section 11, as and to
the extent that in its good faith judgment the Directors of the Company
determine to be advisable in order that any (i) consolidation or subdivision of
the Preferred Shares, (ii) issuance wholly for cash of Preferred Shares at less
than the current per share market price therefor, (iii) issuance wholly for cash
of Preferred Shares or securities which by their terms are convertible into or
exchangeable for Preferred Shares, (iv) stock dividends, or (v) issuance of
rights, options or warrants referred to in this Section 11, hereafter made by
the Company to holders of its Preferred Shares is not taxable to such
shareholders.

         (n) Notwithstanding anything in this Agreement to the contrary, in the
event that the Company at any time after the Record Date prior to the
Distribution Date (i) pays a dividend on the outstanding Common Shares payable
in Common Shares, (ii) subdivides the outstanding Common Shares, (iii) combines
the outstanding Common Shares into a smaller number of shares, or (iv) issues
any shares of its capital stock in a reclassification of the outstanding Common
Shares (including any such reclassification in connection with a consolidation
or merger in which the Company is the continuing or surviving corporation), the
number of Rights associated with each Common Share then outstanding, or issued
or delivered thereafter but prior to the Distribution Date, will be
proportionately adjusted so that the number of Rights thereafter associated with
each Common Share following any such event equals the result obtained by
multiplying the number of Rights associated with each Common Share immediately
prior to such event by a fraction the numerator of which is the total number of
Common Shares outstanding immediately prior to the occurrence of the event and
the denominator of which is the total number of Common Shares outstanding
immediately following the occurrence of such event. The adjustments provided for
in this Section 11(n) will be made successively whenever such a dividend is paid
or such a subdivision, combination or reclassification is effected.

         12. CERTIFICATE OF ADJUSTED PURCHASE PRICE OR NUMBER OF SECURITIES.
Whenever an adjustment is made as provided in Section 11 or Section 13, the
Company will promptly (a) prepare a certificate setting forth such adjustment
and a brief statement of the facts accounting for such adjustment, (b) file with
the Rights Agent and with each transfer agent for the Preferred Shares and the
Common Shares a copy of such certificate, and (c) if such adjustment is made
after the Distribution Date, mail a brief summary of such adjustment to each
holder of a Right Certificate in accordance with Section 26.

         13. CONSOLIDATION, MERGER OR SALE OR TRANSFER OF ASSETS OR EARNING
POWER. (a) In the event that:

                     (i) at any time after a Person has become an Acquiring
         Person, the Company consolidates with, or merges with or into, any
         other Person and the Company is not the continuing or surviving
         corporation of such consolidation or merger; or

                                       19
<PAGE>   23

                    (ii) at any time after a Person has become an Acquiring
         Person, any Person consolidates with the Company, or merges with or
         into the Company, and the Company is the continuing or surviving
         corporation of such merger or consolidation and, in connection with
         such merger or consolidation, all or part of the Common Shares is
         changed into or exchanged for stock or other securities of any other
         Person or cash or any other property; or

                   (iii) at any time after a Person has become an Acquiring
         Person, the Company, directly or indirectly, sells or otherwise
         transfers (or one or more of its Subsidiaries sells or otherwise
         transfers), in one or more transactions, assets or earning power
         (including without limitation securities creating any obligation on the
         part of the Company and/or any of its Subsidiaries) representing in the
         aggregate more than 50% of the assets or earning power of the Company
         and its Subsidiaries (taken as a whole) to any Person or Persons other
         than the Company or one or more of its wholly owned Subsidiaries;

then, and in each such case, proper provision will be made so that from and
after the latest of the Share Acquisition Date, the Distribution Date and the
date of the occurrence of such Flip-over Event (A) each holder of a Right
thereafter has the right to receive, upon the exercise thereof in accordance
with the terms of this Agreement at an exercise price per Right equal to the
product of the then-current Purchase Price multiplied by the number of one
one-hundredths of a Preferred Share for which a Right was exercisable
immediately prior to the Share Acquisition Date, such number of duly authorized,
validly issued, fully paid, nonassessable and freely tradeable Common Shares of
the Issuer, free and clear of any liens, encumbrances and other adverse claims
and not subject to any rights of call or first refusal, as equals the result
obtained by (x) multiplying the then-current Purchase Price by the number of one
one-hundredths of a Preferred Share for which a Right is exercisable immediately
prior to the Share Acquisition Date and dividing that product by (y) 50% of the
current per share market price of the Common Shares of the Issuer (determined
pursuant to Section 11(d)), on the date of the occurrence of such Flip-over
Event; (B) the Issuer will thereafter be liable for, and will assume, by virtue
of the occurrence of such Flip-over Event, all the obligations and duties of the
Company pursuant to this Agreement; (C) the term "Company" will thereafter be
deemed to refer to the Issuer; and (D) the Issuer will take such steps
(including without limitation the reservation of a sufficient number of its
Common Shares to permit the exercise of all outstanding Rights) in connection
with such consummation as may be necessary to assure that the provisions hereof
are thereafter applicable, as nearly as reasonably may be possible, in relation
to its Common Shares thereafter deliverable upon the exercise of the Rights.

         (b) For purposes of this Section 13, "Issuer" means (i) in the case of
any Flip-over Event described in Sections 13(a)(i) or (ii) above, the Person
that is the continuing, surviving, resulting or acquiring Person (including the
Company as the continuing or surviving corporation of a transaction described in
Section 13(a)(ii) above), and (ii) in the case of any Flip-over Event described
in Section 13(a)(iii) above, the Person that is the party receiving the greatest
portion of the assets or earning power (including without limitation securities
creating any obligation on the part of the Company and/or any of its
Subsidiaries) transferred pursuant to such transaction or transactions;
PROVIDED, HOWEVER, that, in any such case, (A) if (1) no class of equity
security of such Person is, at the time of such merger, consolidation or
transaction and has been continuously 



                                       20
<PAGE>   24

over the preceding 12-month period, registered pursuant to Section 12 of the
Exchange Act, and (2) such Person is a Subsidiary, directly or indirectly, of
another Person, a class of equity security of which is and has been so
registered, the term "Issuer" means such other Person; and (B) in case such
Person is a Subsidiary, directly or indirectly, of more than one Person, a class
of equity security of two or more of which are and have been so registered, the
term "Issuer" means whichever of such Persons is the issuer of the equity
security having the greatest aggregate market value. Notwithstanding the
foregoing, if the Issuer in any of the Flip-over Events listed above is not a
corporation or other legal entity having outstanding equity securities, then,
and in each such case, (x) if the Issuer is directly or indirectly wholly owned
by a corporation or other legal entity having outstanding equity securities,
then all references to Common Shares of the Issuer will be deemed to be
references to the Common Shares of the corporation or other legal entity having
outstanding equity securities which ultimately controls the Issuer, and (y) if
there is no such corporation or other legal entity having outstanding equity
securities, (I) proper provision will be made so that the Issuer creates or
otherwise makes available for purposes of the exercise of the Rights in
accordance with the terms of this Agreement, a kind or kinds of security or
securities having a fair market value at least equal to the economic value of
the Common Shares which each holder of a Right would have been entitled to
receive if the Issuer had been a corporation or other legal entity having
outstanding equity securities; and (II) all other provisions of this Agreement
will apply to the issuer of such securities as if such securities were Common
Shares.

         (c) The Company will not consummate any Flip-over Event if, (i) at the
time of or immediately after such Flip-over Event, there are or would be any
rights, warrants, instruments or securities outstanding or any agreements or
arrangements in effect which would eliminate or substantially diminish the
benefits intended to be afforded by the Rights, (ii) prior to, simultaneously
with or immediately after such Flip-over Event, the shareholders of the Person
who constitutes, or would constitute, the Issuer for purposes of Section 13(a)
shall have received a distribution of Rights previously owned by such Person or
any of its Affiliates or Associates, or (iii) the form or nature of the
organization of the Issuer would preclude or limit the exercisability of the
Rights. In addition, the Company will not consummate any Flip-over Event unless
the Issuer has a sufficient number of authorized Common Shares (or other
securities as contemplated in Section 13(b) above) which have not been issued or
reserved for issuance to permit the exercise in full of the Rights in accordance
with this Section 13 and unless prior to such consummation the Company and the
Issuer have executed and delivered to the Rights Agent a supplemental agreement
providing for the terms set forth in subsections (a) and (b) of this Section 13
and further providing that as promptly as practicable after the consummation of
any Flip-over Event, the Issuer will:

                     (A) prepare and file a registration statement under the
         Securities Act with respect to the Rights and the securities issuable
         upon exercise of the Rights on an appropriate form, and use its best
         efforts to cause such registration statement to (1) become effective as
         soon as practicable after such filing and (2) remain effective (with a
         prospectus at all times meeting the requirements of the Securities Act)
         until the Expiration Date;

                                       21
<PAGE>   25

                     (B) take all 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 exercisability of the Rights; and

                     (C) deliver to holders of the Rights historical financial
         statements for the Issuer and each of its Affiliates which comply in
         all respects with the requirements for registration on Form 10 under
         the Exchange Act.

         (d) The provisions of this Section 13 will similarly apply to
successive mergers or consolidations or sales or other transfers. In the event
that a Flip-over Event occurs at any time after the occurrence of a Flip-in
Event, except for Rights that have become void pursuant to Section 11(a)(ii),
Rights that shall not have been previously exercised will cease to be
exercisable in the manner provided in Section 11(a)(ii) and will thereafter be
exercisable in the manner provided in Section 13(a).

         14. FRACTIONAL RIGHTS AND FRACTIONAL SECURITIES. (a) The Company will
not be required to issue fractions of Rights or to distribute Right Certificates
which evidence fractional Rights. In lieu of such fractional Rights, the Company
will pay as promptly as practicable to the registered holders of the Right
Certificates with regard to which such fractional Rights otherwise would be
issuable, an amount in cash equal to the same fraction of the current market
value of one Right. For the purposes of this Section 14(a), the current market
value of one Right is the closing price of the Rights for the Trading Day
immediately prior to the date on which such fractional Rights otherwise would
have been issuable. The closing price for any day is 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 Directors of the
Company. If the Rights are not publicly held or are not so listed or traded, or
are not the subject of available bid and asked quotes, the current market value
of one Right will mean the fair value thereof as determined in good faith by the
Directors of the Company, whose determination will be described in a statement
filed with the Rights Agent.

         (b) The Company will not be required to issue fractions of Preferred
Shares (other than fractions which are integral multiples of one one-hundredth
of a Preferred Share) upon exercise of the Rights or to distribute certificates
which evidence fractional Preferred Shares (other than fractions which are
integral multiples of one one-hundredth of a Preferred Share). Fractions of
Preferred Shares in integral multiples of one one-hundredth of a Preferred Share
may, at the election of the Company, be evidenced by depositary receipts
pursuant to an appropriate agreement between the Company and a depositary
selected by it, provided that such agreement 



                                       22
<PAGE>   26

provides that the holders of such depositary receipts have all the rights,
privileges and preferences to which they are entitled as beneficial owners of
the Preferred Shares represented by such depositary receipts. In lieu of
fractional Preferred Shares that are not integral multiples of one one-hundredth
of a Preferred Share, the Company may pay to any Person to whom or which such
fractional Preferred Shares would otherwise be issuable an amount in cash equal
to the same fraction of the current market value of one Preferred Share. For
purposes of this Section 14(b), the current market value of one Preferred Share
is the closing price of the Preferred Shares (as determined in the same manner
as set forth for Common Shares in the second sentence of Section 11(d)(i)) for
the Trading Day immediately prior to the date of such exercise; PROVIDED,
HOWEVER, that if the closing price of the Preferred Shares cannot be so
determined, the closing price of the Preferred Shares for such Trading Day will
be conclusively deemed to be an amount equal to the closing price of the Common
Shares (determined pursuant to the second sentence of Section 11(d)(i)) for such
Trading Day multiplied by one hundred (as such number may be appropriately
adjusted to reflect events such as stock splits, stock dividends,
recapitalizations or similar transactions relating to the Common Shares
occurring after the date of this Agreement); PROVIDED FURTHER, HOWEVER, that if
neither the Common Shares nor the Preferred Shares are publicly held or listed
or admitted to trading on any national securities exchange, or the subject of
available bid and asked quotes, the current market value of one Preferred Share
will mean the fair value thereof as determined in good faith by the Directors of
the Company, whose determination will be described in a statement filed with the
Rights Agent.

         (c) Following the occurrence of a Triggering Event, the Company will
not be required to issue fractions of Common Shares or other securities issuable
upon exercise or exchange of the Rights or to distribute certificates which
evidence any such fractional securities. In lieu of issuing any such fractional
securities, the Company may pay to any Person to whom or which such fractional
securities would otherwise be issuable an amount in cash equal to the same
fraction of the current market value of one such security. For purposes of this
Section 14(c), the current market value of one Common Share or other security
issuable upon the exercise or exchange of Rights is the closing price thereof
(as determined in the same manner as set forth for Common Shares in the second
sentence of Section 11(d)(i)) for the Trading Day immediately prior to the date
of such exercise or exchange; PROVIDED, HOWEVER, that if neither the Common
Shares nor any such other securities are publicly held or listed or admitted to
trading on any national securities exchange, or the subject of available bid and
asked quotes, the current market value of one Common Share or such other
security will mean the fair value thereof as determined in good faith by the
Directors of the Company, whose determination will mean the fair value thereof
as will be described in a statement filed with the Rights Agent.

         15. RIGHTS OF ACTION. All rights of action in respect of this
Agreement, excepting the rights of action given to the Rights Agent under
Section 18, are vested in the respective registered holders of the Right
Certificates (and, prior to the Distribution Date, the registered holders of the
Common Shares); and any registered holder of any Right Certificate (or, prior to
the Distribution Date, of the Common Shares), without the consent of the Rights
Agent or of the holder of any other Right Certificate (or, prior to the
Distribution Date, of the holder of any Common Shares), 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 



                                       23
<PAGE>   27

Certificate and in this Agreement. Without limiting the foregoing or any
remedies available to the holders of Rights, it is specifically acknowledged
that the holders of Rights would not have an adequate remedy at law for any
breach of this Agreement and will be entitled to specific performance of the
obligations under this Agreement, and injunctive relief against actual or
threatened violations of the obligations of any Person subject to this
Agreement.

         16. AGREEMENT OF RIGHTS 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 Distribution Date, the Rights are 
         transferable only in connection with the transfer of the Common Shares;

                  (b) After the Distribution Date, the Right Certificates are
         transferable only on the registry books of the Rights Agent if
         surrendered at the principal office of the Rights Agent designated for
         such purpose, duly endorsed or accompanied by a proper instrument of
         transfer;

                  (c) The Company and the Rights Agent may deem and treat the
         person in whose name the Right Certificate (or, prior to the
         Distribution Date, the associated Common Share 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 Share certificate made by
         anyone other than the Company or the Rights Agent) for all purposes
         whatsoever, and neither the Company nor the Rights Agent will be
         affected by any notice to the contrary;

                  (d) Such holder expressly waives any right to receive any
         fractional Rights and any fractional securities upon exercise or
         exchange of a Right, except as otherwise provided in Section 14.

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

         17. RIGHT CERTIFICATE HOLDER NOT DEEMED A SHAREHOLDER. No holder, as
such, of any Right Certificate will be entitled to vote, receive dividends, or
be deemed for any purpose the holder of Preferred Shares or any other securities
of the Company which may at any time be issuable upon the exercise of the Rights
represented thereby, nor will 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 shareholder of the Company or any right to vote for
the election of Directors 



                                       24
<PAGE>   28

or upon any matter submitted to shareholders at any meeting thereof, or to give
or withhold consent to any corporate action, or to receive notice of meetings or
other actions affecting shareholders (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 of this Agreement or exchanged pursuant to the
provisions of Section 24.

         18. CONCERNING THE RIGHTS AGENT. (a) The Company will 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 will also indemnify the Rights Agent for, and hold it
harmless against, any loss, liability, suit, action, proceeding or expense,
incurred without gross negligence, bad faith, or willful misconduct on the part
of the Rights Agent, for anything done or omitted to be done by the Rights Agent
in connection with the acceptance and administration of this Agreement,
including the costs and expenses of defending against any claim of liability
arising therefrom, directly or indirectly.

         (b) The Rights Agent will be protected and will incur no liability for
or in respect of any action taken, suffered, or omitted by it in connection with
its administration of this Agreement in reliance upon any Right Certificate or
certificate evidencing Preferred Shares or Common Shares or 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.

         19. 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 is a party, or any corporation succeeding to the corporate trust business
of the Rights Agent or any successor Rights Agent, will be the successor to the
Rights Agent under this Agreement without the execution or filing of any paper
or any further act on the part of any of the parties hereto, provided that such
corporation would be eligible for appointment as a successor Rights Agent under
the provisions of Section 21. If at the time such successor Rights Agent
succeeds 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 if 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 will have the full force provided in the Right Certificates
and in this Agreement.

         (b) If at any time the name of the Rights Agent changes and at such
time any of the Right Certificates have been countersigned but not delivered,
the Rights Agent may adopt the countersignature under its prior name and deliver
Right Certificates so countersigned; and if at 



                                       25
<PAGE>   29

that time any of the Right Certificates have not 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 will have the full
force provided in the Right Certificates and in this Agreement.

         20. DUTIES OF RIGHTS AGENT. The Rights Agent undertakes the duties and
obligations imposed by this Agreement upon the following terms and conditions,
by all of which the Company and the holders of Right Certificates, by their
acceptance thereof, will be bound:

                  (a) The Rights Agent may consult with legal counsel (who may
         be legal counsel for the Company), and the opinion of such counsel will
         be full and complete authorization and protection to the Rights Agent
         as to any action taken or omitted by it in good faith and in accordance
         with such opinion.

                  (b) Whenever in the performance of its duties under this
         Agreement the Rights Agent deems it necessary or desirable that any
         fact or matter be proved or established by the Company prior to taking
         or suffering 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 certificate
         signed by any one of the Chairman, the President, any Vice President,
         the Secretary or the Treasurer of the Company and delivered to the
         Rights Agent, and such certificate will be full authorization to the
         Rights Agent for any action taken or suffered in good faith by it under
         the provisions of this Agreement in reliance upon such certificate.

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

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

                  (e) The Rights Agent will not be under any responsibility in
         respect of the validity of this Agreement or the execution and delivery
         hereof (except the due execution and delivery hereof by the Rights
         Agent) or in respect of the validity or execution of any Right
         Certificate (except its countersignature thereof); nor will it be
         responsible for any breach by the Company of any covenant contained in
         this Agreement or in any Right Certificate; nor will it be responsible
         for any adjustment required under the provisions of Sections 11 or 13
         (including any adjustment which results in Rights becoming void) 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
         will it by any act hereunder be deemed to make any representation or
         warranty as to the authorization or reservation of any shares of stock
         or other securities to be issued pursuant to this Agreement or any
         Right Certificate or as to whether any shares


                                       26
<PAGE>   30
         of stock or other securities will, when issued, be duly authorized,
         validly issued, fully paid and nonassessable.

                  (f) The Company 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 instructions with respect to the performance of its duties
         hereunder from any one of the Chairman, the President, any Vice
         President, the Secretary or the Treasurer of the Company, and to apply
         to such officers for advice or instructions in connection with its
         duties, and it will not be liable for any action taken or suffered to
         be taken by it in good faith in accordance with instructions of any
         such officer.

                  (h) The Rights Agent and any 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 fully and freely
         as though it were not Rights Agent under this Agreement. Nothing herein
         will preclude the Rights Agent from acting in any other capacity for
         the Company or for any other Person.

                  (i) The Rights Agent may execute and exercise any of the
         rights or powers hereby vested in it or perform any duty hereunder
         either itself or by or through its attorneys or agents, and the Rights
         Agent will not be answerable or accountable for any act, default,
         neglect or misconduct of any such attorneys or agents or for any loss
         to the Company resulting from any such act, default, neglect or
         misconduct, provided reasonable care was exercised in the selection and
         continued employment thereof. The Rights Agent will not be under any
         duty or responsibility to ensure compliance with any applicable federal
         or state securities laws in connection with the issuance, transfer or
         exchange of Right Certificates.

                  (j) If, with respect to any Right Certificate surrendered to
         the Rights Agent for exercise, transfer, split up, combination or
         exchange, either (i) the certificate attached to the form of assignment
         or form of election to purchase, as the case may be, has either not
         been completed or indicates an affirmative response to clause 1 or 2
         thereof, or (ii) any other actual or suspected irregularity exists, the
         Rights Agent will not take any further action with respect to such
         requested exercise, transfer, split up, combination or exchange without
         first consulting with the Company, and will thereafter take further
         action with respect thereto only in accordance with the Company's
         written instructions.

         21. CHANGE OF RIGHTS AGENT. The Rights Agent or any successor Rights
Agent may resign and be discharged from its duties under this Agreement upon 30
calendar days' notice in writing mailed to the Company and to each transfer
agent of the Preferred Shares or the Common Shares by registered or certified
mail, and to the holders of the Right Certificates by first class 



                                       27
<PAGE>   31

mail. The Company may remove the Rights Agent or any successor Rights Agent upon
30 calendar 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 Preferred
Shares and the Common Shares by registered or certified mail, and to the holders
of the Right Certificates by first class mail. If the Rights Agent resigns or is
removed or otherwise becomes incapable of acting, the Company will appoint a
successor to the Rights Agent. If the Company fails to make such appointment
within a period of 30 calendar days after giving notice of such removal or after
it has been notified in writing of such resignation or incapacity by the
resigning or incapacitated Rights Agent or by the holder of a Right Certificate
(who will, 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,
will be a corporation or other legal entity organized and doing business under
the laws of the United States or of the State of New York (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 New York), in good standing, having a
principal office in the State of New York, 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 $50 million. After appointment, the successor Rights Agent will be vested
with the same powers, rights, duties and responsibilities as if it had been
originally named as Rights Agent without further act or deed; but the
predecessor Rights Agent will 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 will file notice
thereof in writing with the predecessor Rights Agent and each transfer agent of
the Preferred Shares or the Common Shares, 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 21, however, or any defect therein, will not affect
the legality or validity of the resignation or removal of the Rights Agent or
the appointment of the successor Rights Agent, as the case may be.

         22. ISSUANCE OF NEW RIGHT CERTIFICATES. Notwithstanding 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 Directors to reflect any adjustment or change in the
Purchase Price per share and the number or kind of securities issuable upon
exercise of the Rights made in accordance with the provisions of this Agreement.
In addition, in connection with the issuance or sale by the Company of Common
Shares following the Distribution Date and prior to the Expiration Date, the
Company (a) will, with respect to Common Shares so issued or sold pursuant to
the exercise, exchange or conversion of securities (other than Rights) issued
prior to the Distribution Date which are exercisable or exchangeable for, or
convertible into Common Shares, and (b) may, in any other case, if deemed
necessary, appropriate or desirable by the Directors of the Company, issue Right
Certificates representing an equivalent number of Rights as would have been
issued in respect of such Common Shares if they had been issued or sold prior to
the Distribution Date, as appropriately adjusted as provided herein as if they
had been so issued or sold; PROVIDED, HOWEVER, that (i) no such Right
Certificate will be issued if, and to the extent that, in its good faith
judgment the Directors of the Company determine that the issuance of such Right
Certificate could have a material adverse tax 



                                       28
<PAGE>   32

consequence to the Company or to the Person to whom or which such Right
Certificate otherwise would be issued and (ii) no such Right Certificate will be
issued if, and to the extent that, appropriate adjustment otherwise has been
made in lieu of the issuance thereof.

         23. REDEMPTION. (a) Prior to the Expiration Date, the Directors of the
Company may, at their option, redeem all but not less than all of the
then-outstanding Rights at the Redemption Price at any time prior to the Close
of Business on the later of (i) the Distribution Date and (ii) the Share
Acquisition Date. Any such redemption will be effective immediately upon the
action of the Directors of the Company ordering the same, unless such action of
the Directors of the Company expressly provides that such redemption will be
effective at a subsequent time or upon the occurrence or nonoccurrence of one or
more specified events (in which case such redemption will be effective in
accordance with the provisions of such action of the Directors of the Company).

         (b) Immediately upon the effectiveness of the redemption of the Rights
as provided in Section 23(a), and without any further action and without any
notice, the right to exercise the Rights will terminate and the only right
thereafter of the holders of Rights will be to receive the Redemption Price,
without interest thereon. Promptly after the effectiveness of the redemption of
the Rights as provided in Section 23(a), the Company will publicly announce such
redemption and, within 10 calendar days thereafter, will 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 Company; PROVIDED, HOWEVER, that the failure to give, or any defect
in, any such notice will not affect the validity of the redemption of the
Rights. Any notice that is mailed in the manner herein provided will be deemed
given, whether or not the holder receives the notice. The notice of redemption
mailed to the holders of Rights will state the method by which the payment of
the Redemption Price will be made. The Company may, at its option, pay the
Redemption Price in cash, Common Shares (based upon the current per share market
price of the Common Shares (determined pursuant to Section 11(d)) at the time of
redemption), or any other form of consideration deemed appropriate by the
Directors of the Company (based upon the fair market value of such other
consideration, determined by the Directors of the Company in good faith) or any
combination thereof. The Company may, at its option, combine the payment of the
Redemption Price with any other payment being made concurrently to holders of
Common Shares and, to the extent that any such other payment is discretionary,
may reduce the amount thereof on account of the concurrent payment of the
Redemption Price. If legal or contractual restrictions prevent the Company from
paying the Redemption Price (in the form of consideration deemed appropriate by
the Directors) at the time of redemption, the Company will pay the Redemption
Price, without interest, promptly after such time as the Company ceases to be so
prevented from paying the Redemption Price.

         24. EXCHANGE. (a) The Directors of the Company may, at their option, at
any time after the later of the Share Acquisition Date and the Distribution
Date, exchange all or part of the then-outstanding and exercisable Rights (which
will not include Rights that have become void pursuant to the provisions of
Section 11(a)(ii)) for Common Shares at an exchange ratio of one Common Share
per Right, appropriately adjusted to reflect any stock split, stock dividend or
similar transaction occurring after the Record Date (such exchange ratio being
hereinafter referred to as the "Exchange Ratio"). Any such exchange will be
effective immediately upon the action of the Directors of the Company   
ordering the same, unless such action of the Directors of the 


                                       29
<PAGE>   33

Company expressly provides that such exchange will be effective at a subsequent
time or upon the occurrence or nonoccurrence of one or more specified events
(in which case such exchange will be effective in accordance with the
provisions of such action of the Directors of the Company). Notwithstanding the
foregoing, the  Directors of the Company will not be empowered to effect such
exchange at any time after any Person (other than the Company or any Related
Person), who or which, together with all Affiliates and Associates of such
Person, becomes the Beneficial Owner of 50% or more of the then-outstanding
Common Shares.

         (b) Immediately upon the effectiveness of the exchange of any Rights as
provided in Section 24(a), and without any further action and without any
notice, the right to exercise such Rights will terminate and the only right with
respect to such Rights thereafter of the holder of such Rights will be to
receive that number of Common Shares equal to the number of such Rights held by
such holder multiplied by the Exchange Ratio. Promptly after the effectiveness
of the exchange of any Rights as provided in Section 24(a), the Company will
publicly announce such exchange and, within 10 calendar days thereafter, will
give notice of 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; PROVIDED,
HOWEVER, that the failure to give, or any defect in, such notice will not affect
the validity of such exchange. Any notice that is mailed in the manner herein
provided will be deemed given, whether or not the holder receives the notice.
Each such notice of exchange will state the method by which the exchange of the
Common Shares for Rights will be effected and, in the event of any partial
exchange, the number of Rights which will be exchanged. Any partial exchange
will be effected pro rata based on the number of Rights (other than Rights which
have become void pursuant to the provisions of Section 11(a)(ii)) held by each
holder of Rights.

         (c) In any exchange pursuant to this Section 24, the Company, at its
option, may substitute for any Common Share exchangeable for a Right (i)
equivalent common shares (as such term is used in Section 11(a)(iii)), (ii)
cash, (iii) debt securities of the Company, (iv) other assets, or (v) any
combination of the foregoing, in any event having an aggregate value, as
determined in good faith by the Directors of the Company (whose determination
will be described in a statement filed with the Rights Agent), equal to the
current market value of one Common Share (determined pursuant to Section 11(d))
on the Trading Day immediately preceding the date of the effectiveness of the
exchange pursuant to this Section 24.

         25. NOTICE OF CERTAIN EVENTS. (a) If, after the Distribution Date, the
Company proposes (i) to pay any dividend payable in stock of any class to the
holders of Preferred Shares or to make any other distribution to the holders of
Preferred Shares (other than a regular periodic cash dividend), (ii) to offer to
the holders of Preferred Shares rights, options or warrants to subscribe for or
to purchase any additional Preferred Shares or shares of stock of any class or
any other securities, rights or options, (iii) to effect any reclassification of
its Preferred Shares (other than a reclassification involving only the
subdivision of outstanding Preferred Shares), (iv) 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 assets or earning power (including, without limitation,
securities creating any obligation on the part of the Company and/or any of its
Subsidiaries) representing more than 50% of the assets and earning power of the
Company and its Subsidiaries, taken as a whole, to any other Person or Persons
other than the Company or one or more of its wholly owned Subsidiaries, (v) to
effect the 



                                       30
<PAGE>   34

liquidation, dissolution or winding up of the Company, or (vi) to declare or pay
any dividend on the Common Shares payable in Common Shares or to effect a
subdivision, combination or reclassification of the Common Shares then, in each
such case, the Company will give to each holder of a Right Certificate, to the
extent feasible and in accordance with Section 26, a notice of such proposed
action, which specifies the record date for the purposes of such stock dividend,
distribution or offering of rights, options or warrants, or the date on which
such reclassification, consolidation, merger, sale, transfer, liquidation,
dissolution or winding up is to take place and the date of participation therein
by the holders of the Common Shares and/or Preferred Shares, if any such date is
to be fixed, and such notice will be so given, in the case of any action covered
by clause (i) or (ii) above, at least 10 calendar days prior to the record date
for determining holders of the Preferred Shares for purposes of such action,
and, in the case of any such other action, at least 10 calendar days prior to
the date of the taking of such proposed action or the date of participation
therein by the holders of the Common Shares and/or Preferred Shares, whichever
is the earlier.

         (b) In case any Triggering Event occurs, then, in any such case, the
Company will as soon as practicable thereafter give to the Rights Agent and each
holder of a Right Certificate, in accordance with Section 26, a notice of the
occurrence of such event, which specifies the event and the consequences of the
event to holders of Rights.

         26. NOTICES. (a) 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 will be sufficiently given or made if sent by first class
mail, postage prepaid, addressed (until another address is filed in writing with
the Rights Agent) as follows:

                           The Lamson & Sessions Co.
                           25701 Science Park Drive
                           Cleveland, Ohio 44122
                           Attention:  Secretary


         (b) Subject to the provisions of Section 21 hereof, 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 will be sufficiently
given or made if sent by first-class mail, postage prepaid, addressed (until
another address is filed in writing with the Company) as follows:

                           National City Bank
                           1900 East Ninth Street
                           Cleveland, Ohio  44114
                           Attention:  Corporate Trust Administration

         (c) 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 (or,
if prior the Distribution Date, to the holder of any certificate evidencing
Common Shares) will be sufficiently given or made if sent by first class mail,
postage prepaid, addressed to such holder at the address of such holder as shown
on the registry books of the Company.

                                       31
<PAGE>   35

         27. SUPPLEMENTS AND AMENDMENTS. Prior to the time at which the Rights
cease to be redeemable pursuant to Section 23, and subject to the last sentence
of this Section 27, the Company may in its sole and absolute discretion, and the
Rights Agent will if the Company so directs, supplement or amend any provision
of this Agreement in any respect without the approval of any holders of Rights
or Common Shares. From and after the time at which the Rights cease to be
redeemable pursuant to Section 23, and subject to the last sentence of this
Section 27, the Company may, and the Rights Agent will if the Company so
directs, supplement or amend this Agreement without the approval of any holders
of Rights or Common Shares in order (i) to cure any ambiguity, (ii) to correct
or supplement any provision contained herein which may be defective or
inconsistent with any other provisions herein, (iii) to shorten or lengthen any
time period hereunder, or (iv) to supplement or amend the provisions hereunder
in any manner which the Company may deem desirable; provided that no such
supplement or amendment shall adversely affect the interests of the holders of
Rights as such (other than an Acquiring Person or an Affiliate or Associate of
an Acquiring Person), and no such supplement or amendment shall cause the Rights
again to become redeemable or cause this Agreement again to become
supplementable or amendable otherwise than in accordance with the provisions of
this sentence. Without limiting the generality or effect of the foregoing, this
Agreement may be supplemented or amended to provide for such voting powers for
the Rights and such procedures for the exercise thereof, if any, as the
Directors of the Company may determine to be appropriate. Upon the delivery of a
certificate from an officer of the Company which states that the proposed
supplement or amendment is in compliance with the terms of this Section 27, the
Rights Agent will execute such supplement or amendment; provided, however, that
the failure or refusal of the Rights Agent to execute such supplement or
amendment will not affect the validity of any supplement or amendment adopted by
the Directors of the Company, any of which will be effective in accordance with
the terms thereof. Notwithstanding anything in this Agreement to the contrary,
no supplement or amendment may be made which decreases the stated Redemption
Price to an amount less than $.01 per Right.

         28. SUCCESSORS; CERTAIN COVENANTS. All the covenants and provisions of
this Agreement by or for the benefit of the Company or the Rights Agent will be
binding on and inure to the benefit of their respective successors and assigns
hereunder.

         29. BENEFITS OF THIS AGREEMENT. Nothing in this Agreement will be
construed to give to any Person other than the Company, the Rights Agent, and
the registered holders of the Right Certificates (and, prior to the Distribution
Date, the Common Shares) any legal or equitable right, remedy or claim under
this Agreement. This Agreement will be for the sole and exclusive benefit of the
Company, the Rights Agent, and the registered holders of the Right Certificates
(or prior to the Distribution Date, the Common Shares).

         30. GOVERNING LAW. This Agreement, each Right and each Right
Certificate issued hereunder will be deemed to be a contract made under the
internal substantive laws of the State of Ohio and for all purposes will be
governed by and construed in accordance with the internal substantive laws of
such State applicable to contracts to be made and performed entirely within such
State.

                                       32
<PAGE>   36

         31. SEVERABILITY. If any term, provision, covenant or restriction of
this Agreement is held by a court of competent jurisdiction or other authority
to be invalid, void or unenforceable, the remainder of the terms, provisions,
covenants and restrictions of this Agreement will remain in full force and
effect and will in no way be affected, impaired or invalidated; PROVIDED,
HOWEVER, that nothing contained in this Section 31 will affect the ability of
the Company under the provisions of Section 27 to supplement or amend this
Agreement to replace such invalid, void or unenforceable term, provision,
covenant or restriction with a legal, valid and enforceable term, provision,
covenant or restriction.

         32. DESCRIPTIVE HEADINGS, ETC. Descriptive headings of the several
Sections of this Agreement are inserted for convenience only and will not
control or affect the meaning or construction of any of the provisions hereof.
Unless otherwise expressly provided, references herein to Articles, Sections and
Exhibits are to Articles, Sections and Exhibits of or to this Agreement.

         33. DETERMINATIONS AND ACTIONS BY THE DIRECTORS. For all purposes of
this Agreement, any calculation of the number of Common Shares outstanding at
any particular time, including for purposes of determining the particular
percentage of such outstanding Common Shares of which any Person is the
Beneficial Owner, will be made in accordance with the last sentence of Rule
13d-3(d)(1)(i) of the General Rules and Regulations under the Exchange Act. The
Directors of the Company will have the exclusive power and authority to
administer this Agreement and to exercise all rights and powers specifically
granted to the Directors of the Company or to the Company, or as may be
necessary or advisable in the administration of this Agreement, including
without limitation the right and power to (i) interpret the provisions of this
Agreement and (ii) make all determinations deemed necessary or advisable for the
administration of this Agreement (including any determination as to whether
particular Rights shall have become void). All such actions, calculations,
interpretations and determinations (including, for purposes of clause (y) below,
any omission with respect to any of the foregoing) which are done or made by the
Directors of the Company in good faith will (x) be final, conclusive and binding
on the Company, the Rights Agent, the holders of the Rights and all other
parties and (y) not subject the Directors of the Company to any liability to any
Person, including without limitation the Rights Agent and the holders of the
Rights.

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


                                       33
<PAGE>   37

         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.


[SEAL]

Attest:                                             THE LAMSON & SESSIONS CO.

   /s/ James J. Abel                                   /s/ John B. Schulze
- -------------------------------                     ----------------------------
Name:     James J. Abel                             Name:    John B. Schulze
Title:    Secretary                                 Title:   President



[SEAL]

Attest:                                             NATIONAL CITY BANK



/s/ Janet A. Schwartz                               By: /s/ David B. Davis
- -------------------------------                        -------------------------
Name: Janet A. Schwartz                                Name:  David B. Davis
Title: Vice President                                  Title: Vice President



                                       34
<PAGE>   38
                                                                       EXHIBIT A
                                                                       ---------


                             CERTIFICATE OF ADOPTION
                                  OF AMENDMENT
                      TO AMENDED ARTICLES OF INCORPORATION

                                       OF

                            THE LAMSON & SESSIONS CO.


         We, John B. Schulze, President, and James J. Abel, Secretary, of The
Lamson & Sessions Co., an Ohio corporation (the "Company"), do hereby certify
that pursuant to the authority conferred upon the Directors of the Company (the
"Directors") by the Articles of Incorporation of the Company, the Directors at a
meeting duly called and held on September 8, 1998, at which a quorum was present
and acting throughout, adopted the following resolution to amend the Amended
Articles of Incorporation of the Company pursuant to Section 1701.70(B)(1) of
the Ohio Revised Code to amend the Series of Stock designated as the Cumulative
Redeemable Serial Preference Stock, Series II:

                  RESOLVED, that Article IV of the Amended Articles of
Incorporation of the Company be, and it hereby is, amended by deleting
Subdivision B-2 and replacing it with a new Subdivision B-2 as set forth below:


                                 SUBDIVISION B-2

                   EXPRESS TERMS OF THE CUMULATIVE REDEEMABLE
                       SERIAL PREFERENCE STOCK, SERIES II


                  Section 1. DESIGNATION OF SERIES. There is established hereby
a series of Serial Preference Stock that shall be designated "Cumulative
Redeemable Serial Preference Stock, Series II" (hereinafter sometimes called
this "Series" or the "Series II Preference Shares") and that shall have the
terms set forth in this Subdivision B-2.

                  Section 2. NUMBER OF SHARES. The number of shares of this 
Series shall be 200,000.

                  Section 3. DIVIDEND RATE AND PAYMENT. (a) The holders of
record of Series II Preference Shares shall be entitled to receive, when and as
declared by the Board of Directors in accordance with the terms hereof, subject
to the prior preference with respect to dividends upon the corporation's Serial
Preferred Stock set forth in Section 2 of Subdivision A, out of funds legally
available for the purpose, cumulative quarterly dividends payable in cash on the
first day of January, April, July and October in each year (each such date being
referred to herein as a

                                       A-1

<PAGE>   39

"Quarterly Dividend Payment Date"), commencing on the first Quarterly Dividend
Payment Date after the first issuance of a Series II Preference Share or
fraction of a Series II Preference Share in an amount per share (rounded to the
nearest cent) equal to, subject to the provision for adjustment hereinafter set
forth, 100 times the aggregate per share amount of all cash dividends, and 100
times the aggregate per share amount (payable in kind) of all non-cash dividends
or other distributions, other than a dividend payable in Common Shares, or a
subdivision of the outstanding Common Shares (by reclassification or otherwise),
declared on the Common Shares since the immediately preceding Quarterly Dividend
Payment Date, or, with respect to the first Quarterly Dividend Payment Date,
since the first issuance of any Series II Preference Share or fraction of a
Series II Preference Share. In the event the corporation shall at any time
declare or pay any dividend on the Common Shares payable in Common Shares, or
effect a subdivision or combination or consolidation of the outstanding Common
Shares (by reclassification or otherwise than by payment of a dividend in Common
Shares) into a greater or lesser number of Common Shares, then in each such case
the amount of the quarterly dividend which holders of Series II Preference
Shares were entitled immediately prior to such event pursuant to the preceding
sentence shall be adjusted by multiplying such amount by a fraction the
numerator of which is the number of Common Shares outstanding immediately after
such event and the denominator of which is the number of Common Shares that were
outstanding immediately prior to such event.

                  (b) Dividends shall begin to accrue and be cumulative on
outstanding Series II Preference Shares from the Quarterly Dividend Payment Date
next preceding the date of issue of such Series II Preference Shares, unless the
date of issue of such shares (i) is on or prior to the record date for the first
Quarterly Dividend Payment Date, in which case dividends on such shares shall
begin to accrue from the date of issue of such shares, or (ii) is a Quarterly
Dividend Payment Date or a date after the record date for the determination of
holders of Series II Preference Shares entitled to receive a quarterly dividend
and before such Quarterly Dividend Payment Date, in either of which events such
dividends shall begin to accrue and be cumulative from such Quarterly Dividend
Payment Date. Accrued but unpaid dividends shall not bear interest. No dividends
shall be paid upon or declared and set apart for any Series II Preference Shares
for any dividend period unless at the same time a dividend for the same dividend
period, ratably in proportion to the respective annual dividend rates fixed
therefor, shall be paid upon or declared and set apart for all Serial Preference
Stock of all series then outstanding and entitled to receive such dividend. The
Board of Directors may fix a record date for the determination of holders of
Series II Preference Shares entitled to receive payment of a dividend or
distribution declared thereon, which record date shall not be more than 40 days
prior to the date fixed for the payment thereof.

                  Section 4. OPTIONAL REDEMPTION. (a) Subject to the express
terms of each series of Serial Preference Stock and to the provisions of Section
5(c)(3) of Subdivision B and in accordance with Section 3 of Subdivision B, the
Series II Preference Shares shall be redeemable from time to time at the option
of the Board of Directors of the corporation, as a whole or in part, at any time
at a redemption price per share equal to one hundred times the then applicable
Purchase Price as defined in that certain Rights Agreement, dated as of
September 8, 1998, between the corporation and National City Bank (the "Rights
Agreement"), as the same may be from time to time amended in accordance with its
terms, which Purchase Price is $44.75 as of September 8, 1998, subject to
adjustment from time to time as provided in the Rights Agreement. Copies of the
Rights Agreement are available from the corporation upon request. In the event

                                       A-2

<PAGE>   40
that fewer than all of the outstanding Series II Preference Shares are to be
redeemed, the number of shares to be redeemed shall be as determined by the
Board of Directors and the shares to be redeemed shall be selected pro rata or
by lot in such manner as shall be determined by the Board of Directors.

                  (b) Any Series II Preference Shares purchased or otherwise
acquired by the corporation in any manner whatsoever, including, without
limitation, by a redemption pursuant to Section 4.(a) hereof, shall be retired
and cancelled promptly after the acquisition thereof. All such shares shall upon
their cancellation become authorized but unissued shares of Serial Preference
Stock and may be reissued as part of a new series of Serial Preference Stock
subject to the conditions and restrictions set forth herein, in the Amended
Articles of Incorporation, or in any other Certificate of Adoption of Amendment
creating a series of Serial Preferred or Preference Stock or as required by law.

                  Section 5. LIQUIDATION. (a) In the event of any voluntary or
involuntary liquidation, dissolution or winding up of the affairs of the
corporation (hereinafter referred to as a "Liquidation"), and subject to the
prior preference with respect to distributions to holders of Serial Preferred
Stock, no distribution shall be made to the holders of shares of stock ranking
junior (either as to dividends or upon Liquidation) to the Series II Preference
Shares, unless, prior thereto, the holders of Series II Preference Shares shall
have received at least an amount per share (rounded to the nearest cent) equal
to, subject to the provision for adjustment hereinafter set forth, one hundred
times the aggregate amount to be distributed per share to holders of Common
Shares (the "Series II Liquidation Preference"), plus an amount equal to accrued
and unpaid dividends and distributions thereon, whether or not earned or
declared, to the date of such payment.

                  (b) In the event, however, that the net assets of the
corporation are not sufficient to pay in full the amount of the Series II
Liquidation Preference and the liquidation preferences of all other series of
Serial Preference Stock, if any, which rank on a parity with the Series II
Preference Shares as to distribution of assets in Liquidation, all shares of
this Series and of such other series of Serial Preference Stock shall share
ratably in the distribution of assets (or proceeds thereof) in Liquidation in
proportion to the full amounts to which they are respectively entitled.

                  (c) In the event the corporation shall at any time declare or
pay any dividend on the Common Shares payable in Common Shares, or effect a
subdivision or combination or consolidation of the outstanding Common Shares (by
reclassification or otherwise than by payment of a dividend in Common Shares)
into a greater or lesser number of Common Shares, then in each such case the
amounts to which holders of Series II Preference Shares were entitled to receive
upon a Liquidation immediately prior to such event pursuant to paragraph (a)
above, shall be adjusted by multiplying such amount by a fraction, the numerator
of which is the number of Common Shares outstanding immediately after such event
and the denominator of which is the number of Common Shares that were
outstanding immediately prior to such event.

                  (d) The merger or consolidation of the corporation into or
with any other corporation, or the merger of any other corporation into it, or
the sale, lease or conveyance of all

                                       A-3

<PAGE>   41
or substantially all the property or business of the corporation, shall not be
deemed to be a Liquidation for the purposes of this Section 5.

                  Section 6. VOTING. The holders of Series II Preference Shares
will have no voting rights except as otherwise provided in Section 5 of
Subdivision B and as required by law.

                  Section 7. CONVERSION RIGHTS. The Series II Preference Shares 
shall not be convertible into Common Shares.

                  Section 8. FRACTIONAL SHARES. The corporation may issue
fractions and certificates representing fractions of a Series II Preference
Share in integral multiples of one one-hundredth of a Series II Preference
Share, or in lieu thereof, at the election of the Directors of the corporation,
evidence such fractions by depositary receipts, pursuant to an appropriate
Agreement between the corporation and a depositary selected by it, provided that
such Agreement shall provide that the holders of such depositary receipts shall
have all the rights, privileges and preferences of the holders of Series II
Preference Shares. In the event that fractional Series II Preference Shares are
issued, the holders thereof shall have all the rights provided herein for
holders of full shares of Series II Preference Shares in the proportion which
such fractional share bears to a full share.


                  IN WITNESS WHEREOF, John B. Schulze, President, and James J.
Abel, Secretary, of The Lamson & Sessions Co., acting for and on behalf of the
Company, have hereunto subscribed their names this 8th day of September, 1998.



                                                     ---------------------------
                                                     John B. Schulze
                                                     President



                                                     ---------------------------
                                                     James J. Abel
                                                     Secretary

                                       A-4

<PAGE>   42
                                                                       EXHIBIT B
                                                                       ---------


                            FORM OF RIGHT CERTIFICATE


Certificate No. R-                                             __________ Rights


         NOT EXERCISABLE AFTER SEPTEMBER 20, 2008 (SUBJECT TO POSSIBLE EXTENSION
         AT THE OPTION OF THE COMPANY) OR EARLIER IF REDEEMED, EXCHANGED OR
         AMENDED. THE RIGHTS ARE SUBJECT TO REDEMPTION, EXCHANGE AND AMENDMENT
         AT THE OPTION OF THE COMPANY, ON THE TERMS SET FORTH IN THE RIGHTS
         AGREEMENT. UNDER CERTAIN CIRCUMSTANCES SPECIFIED IN THE RIGHTS
         AGREEMENT, RIGHTS THAT ARE OR WERE BENEFICIALLY OWNED BY AN ACQUIRING
         PERSON OR AN AFFILIATE OR AN ASSOCIATE OF AN ACQUIRING PERSON (AS SUCH
         TERMS ARE DEFINED IN THE RIGHTS AGREEMENT) OR A TRANSFEREE THEREOF MAY
         BECOME NULL AND VOID.


                                Right Certificate

                            THE LAMSON & SESSIONS CO.


         This certifies that _______________, or registered assigns, is the
registered owner of the number of Rights set forth above, each of which entitles
the owner thereof, subject to the terms, provisions, and conditions of the
Rights Agreement, dated as of September 8, 1998 (the "Rights Agreement"),
between The Lamson & Sessions Co., an Ohio corporation (the "Company"), and
National City Bank (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. (Eastern time) on the Expiration Date (as such
term is defined in the Rights Agreement) at the principal office or offices of
the Rights Agent designated for such purpose, one one-hundredth of a fully paid
nonassessable share of Cumulative Redeemable Serial Preference Stock, Series II,
without par value (the "Preferred Shares"), of the Company, at a purchase price
of $44.75 per one one-hundredth of a Preferred Share (the "Purchase Price"),
upon presentation and surrender of this Right Certificate with the Form of
Election to Purchase and related Certificate duly executed. If this Right
Certificate is exercised in part, the holder will be entitled to receive upon
surrender hereof another Right Certificate or Right Certificates for the number
of whole Rights not exercised. The number of Rights evidenced by this Right
Certificate (and the number of one one-hundredths of a Preferred Share 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 the date of the Rights
Agreement, based on the Preferred Shares as constituted at such date.

                                       B-1

<PAGE>   43
         As provided in the Rights Agreement, the Purchase Price and/or the
number and/or kind of securities issuable upon the exercise of the Rights
evidenced by this Right Certificate are subject to adjustment upon the
occurrence of certain events.

         This Right 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 of the Rights Agent,
the Company and the holders of the Right Certificates, which limitations of
rights include the temporary suspension of the exercisability of the Rights
under the circumstances specified in the Rights Agreement. Copies of the Rights
Agreement are on file at the above-mentioned office of the Rights Agent and can
be obtained from the Company without charge upon written request therefor. Terms
used herein with initial capital letters and not defined herein are used herein
with the meanings ascribed thereto in the Rights Agreement.

         Pursuant to the Rights Agreement, from and after the occurrence of a
Flip-in Event, any Rights that are Beneficially Owned by (i) any Acquiring
Person (or any Affiliate or Associate of any Acquiring Person), (ii) a
transferee of any Acquiring Person (or any such Affiliate or Associate) who
becomes a transferee after the occurrence of a Flip-in Event, or (iii) a
transferee of any Acquiring Person (or any such Affiliate or Associate) who
became a transferee prior to or concurrently with the Flip-in Event pursuant to
either (a) a transfer from an Acquiring Person to holders of its equity
securities or to any Person with whom it has any continuing agreement,
arrangement or understanding regarding the transferred Rights or (b) a transfer
which the Directors of the Company have determined is part of a plan,
arrangement or understanding which has the purpose or effect of avoiding certain
provisions of the Rights Agreement, and subsequent transferees of any of such
Persons, will be void without any further action and any holder of such Rights
will thereafter have no rights whatsoever with respect to such Rights under any
provision of the Rights Agreement. From and after the occurrence of a Flip-in
Event, no Right Certificate will be issued that represents Rights that are or
have become void pursuant to the provisions of the Rights Agreement, and any
Right Certificate delivered to the Rights Agent that represents Rights that are
or have become void pursuant to the provisions of the Rights Agreement will be
canceled.

         This Right Certificate, with or without other Right Certificates, may
be transferred, split up, combined or exchanged for another Right Certificate or
Right Certificates entitling the holder to purchase a like number of one
one-hundredths of a Preferred Share (or other securities, as the case may be) as
the Right Certificate or Right Certificates surrendered entitled such holder (or
former holder in the case of a transfer) to purchase, upon presentation and
surrender hereof at the principal office of the Rights Agent designated for such
purpose, with the Form of Assignment (if appropriate) and the related
Certificate duly executed.

         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 or may be exchanged in whole or in part. The Rights
Agreement may be supplemented and amended by the Company, as provided therein.

                                       B-2

<PAGE>   44
         The Company is not required to issue fractions of Preferred Shares
(other than fractions which are integral multiples of one one-hundredth of a
Preferred Share, which may, at the option of the Company, be evidenced by
depositary receipts) or other securities issuable upon the exercise of any Right
or Rights evidenced hereby. In lieu of issuing such fractional Preferred Shares
or other securities, the Company may make a cash payment, as provided in the
Rights Agreement.

         No holder of this Right Certificate, as such, will be entitled to vote
or receive dividends or be deemed for any purpose the holder of the Preferred
Shares or of any other securities of the Company which may at any time be
issuable upon the exercise of the Right or Rights represented hereby, nor will
anything contained herein or in the Rights Agreement 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 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 Right Certificate have been exercised in accordance with the
provisions of the Rights Agreement.

         This Right Certificate will not be valid or obligatory for any purpose
until it has been countersigned by the Rights Agent.

         WITNESS the facsimile signature of the proper officers of the Company
and its corporate seal. Dated as of ________, ____.

[SEAL]


ATTEST:                                     THE LAMSON & SESSIONS CO.



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



Countersigned:

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

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


                                       B-3

<PAGE>   45



                   Form of Reverse Side of Right Certificate


                               FORM OF ASSIGNMENT
                               ------------------

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


  FOR VALUE RECEIVED, _______________ hereby sells, assigns and transfers unto

- --------------------------------------------------------------------------------
                 (Please print name and address of transferee)

- -------------------------------------------------------------------------------
this Right Certificate, together with all right, title and interest therein, and
does hereby irrevocably constitute and appoint _______________ Attorney, to
transfer the within Right Certificate on the books of the within-named Company,
with full power of substitution.

Dated:  __________, ____


                                                      --------------------------
                                                      Signature

Signature Guaranteed:


                                       B-4

<PAGE>   46
                                   CERTIFICATE
                                   -----------


    The undersigned hereby certifies by checking the appropriate boxes that:

         (1) the Rights evidenced by this Right Certificate [ ] are [ ] are not
being sold, assigned, transferred, split up, combined or exchanged by or on
behalf of a Person who is or was an Acquiring Person or an Affiliate or
Associate of any such Person (as such terms are defined in 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 Right Certificate from
any Person who is, was or became an Acquiring Person or an Affiliate or
Associate of an Acquiring Person.

Dated:  __________, ____


                                                --------------------------------
                                                Signature


                                       B-5

<PAGE>   47
                          FORM OF ELECTION TO PURCHASE

                      (To be executed if holder desires to
                         exercise the Right Certificate)


To The Lamson & Sessions Co.:

         The undersigned hereby irrevocably elects to exercise __________ Rights
represented by this Right Certificate to purchase the one one-hundredths of a
Preferred Share or other securities issuable upon the exercise of such Rights
and requests that certificates for such securities be issued in the name of and
delivered to:

Please insert social security or other identifying number:______________________

________________________________________________________________________________
                         (Please print name and address)

________________________________________________________________________________

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

Please insert social security or other identifying number:______________________

________________________________________________________________________________
    (Please print name and address)

________________________________________________________________________________


Dated:  __________, ____

                                                 -------------------------------
                                                 Signature

Signature Guaranteed:


                                       B-6

<PAGE>   48
                                   CERTIFICATE


    The undersigned hereby certifies by checking the appropriate boxes that:

         (1) the Rights evidenced by this Right 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 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 Right Certificate from
any Person who is, was, or became an Acquiring Person or an Affiliate or
Associate of an Acquiring Person.

Dated:  __________, ____


                                                 -------------------------------
                                                 Signature



                                     NOTICE


         SIGNATURES ON THE FOREGOING FORM OF ASSIGNMENT AND FORM OF ELECTION TO
PURCHASE AND IN THE RELATED CERTIFICATES MUST CORRESPOND TO THE NAME AS WRITTEN
UPON THE FACE OF THIS RIGHT CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION
OR ENLARGEMENT OR ANY CHANGE WHATSOEVER.

         SIGNATURES MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION
(BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH
MEMBERSHIP IN AN APPROVED MEDALLION SIGNATURE PROGRAM) PURSUANT TO RULE 17AD-15
UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED.


                                       B-7

<PAGE>   49
                                                                       EXHIBIT C
                                                                       ---------


                 SUMMARY OF RIGHTS TO PURCHASE PREFERRED STOCK

         The Directors (the "Directors") of The Lamson & Sessions Co. (the
"Company") have declared a dividend distribution of one right (a "Right") for
each outstanding Common Share, without par value (the "Common Shares"), of the
Company. The distribution is payable on September 20, 1998 (the "Record Date")
to the shareholders of record as of the close of business on the Record Date.
Each Right entitles the registered holder thereof to purchase from the Company
one one-hundredth of a share of Cumulative Redeemable Serial Preference Stock,
Series II, without par value (the "Preferred Shares"), of the Company at a price
(the "Purchase Price") of $44.75 per one one-hundredth of a Preferred Share,
subject to adjustment. The description and terms of the Rights are set forth in
a Rights Agreement, dated as of September 8, 1998 (the "Rights Agreement"),
between the Company and National City Bank, as Rights Agent (the "Rights
Agent").

         Under the Rights Agreement, the Rights will be evidenced by the
certificates evidencing Common Shares until the earlier (the "Distribution
Date") of: (i) the close of business on the tenth calendar day following the
first date (the "Share Acquisition Date") of public announcement that a person
or group (other than the Company, a subsidiary or employee benefit or stock
ownership plan of the Company or any of its affiliates or associates), together
with its affiliates and associates, has acquired beneficial ownership of 15% or
more of the outstanding Common Shares (any such person or group being
hereinafter called an "Acquiring Person") or (ii) the close of business on the
tenth business day (or such later date as may be specified by the Directors)
following the commencement of a tender offer or exchange offer by a person
(other than the Company, a subsidiary or employee benefit or stock ownership
plan of the Company or any of its affiliates or associates), the consummation of
which would result in beneficial ownership by such person of 15% or more of the
outstanding Common Shares.

         The Rights Agreement provides that, until the Distribution Date, the
Rights may be transferred with and only with the Common Shares. Until the
Distribution Date (or earlier redemption, exchange or expiration of the Rights),
any certificate evidencing Common Shares of the Company issued upon transfer or
new issuance of the Common Shares will contain a notation incorporating the
Rights Agreement by reference. Until the Distribution Date (or earlier
redemption, exchange or expiration of the Rights), the surrender for transfer of
any certificates evidencing Common Shares will also constitute the transfer of
the Rights associated with such certificates. As soon as practicable following
the Distribution Date, separate certificates evidencing the Rights ("Right
Certificates") will be mailed to holders of record of Common Shares as of the
close of business on the Distribution Date and such separate Right Certificates
alone will evidence the Rights. No Right is exercisable at any time prior to the
Distribution Date. The Rights will expire on the tenth anniversary of the Record
Date (the "Final Expiration Date") unless earlier redeemed, exchanged or amended
by the Company as described below. Until a Right is exercised, the holder
thereof, as such, will have no rights as a shareholder of the Company, including
the right to vote or to receive dividends.

         The Purchase Price payable, and the number of the Preferred Shares or
other securities issuable, upon exercise of the Rights will be 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,

                                       C-1

<PAGE>   50
the Preferred Shares, (ii) upon the grant to holders of Preferred Shares of
certain rights or warrants to subscribe for or purchase the Preferred Shares at
a price, or securities convertible into the Preferred Shares with a conversion
price, less than the then-current market price of the Preferred Shares, or (iii)
upon the distribution to holders of the Preferred Shares of evidences of
indebtedness, cash (excluding regular periodic cash dividends), assets, stock
(excluding dividends payable in the Preferred Shares) or subscription rights or
warrants (other than those referred to above). The number of outstanding Rights
and the number of one one-hundredths of the Preferred Shares issuable upon
exercise of each Right will be subject to adjustment in the event of a stock
dividend on the Common Shares payable in Common Shares or a subdivision,
combination or reclassification of Common Shares occurring, in any such case,
prior to the Distribution Date.

         Rights will be exercisable to purchase Preferred Shares only after the
Distribution Date occurs and prior to the occurrence of a Flip-in Event as
described below. A Distribution Date resulting from the commencement of a tender
offer or exchange offer described in clause (ii) of the second paragraph of this
summary could precede the occurrence of a Flip-in Event and thus result in the
Rights being exercisable to purchase Preferred Shares. A Distribution Date
resulting from any occurrence described in clause (i) of the second paragraph of
this summary would necessarily follow the occurrence of a Flip-in Event and thus
result in the Rights being exercisable to purchase Common Shares or other
securities as described below.

         Under the Rights Agreement, in the event (a "Flip-in Event") that (i)
any person or group, together with its affiliates and associates, becomes an
Acquiring Person (ii) any Acquiring Person or any affiliate or associate thereof
merges into or combines with the Company and the Company is the surviving
corporation, (iii) any Acquiring Person or any affiliate or associate thereof
effects certain other transactions with the Company, or (iv) during such time as
there is an Acquiring Person the Company effects certain transactions, in each
case as described in the Rights Agreement, then, in each such case, proper
provision will be made so that from and after the latest of the Share
Acquisition Date, the Distribution Date and the date of the occurrence of such
Flip-in Event each holder of a Right, other than Rights that are or were owned
beneficially by an Acquiring Person (which, from and after the date of a Flip-in
Event, will be void), will have the right to receive, upon exercise thereof at
the then-current exercise price of the Right, that number of Common Shares (or,
under certain circumstances, an economically equivalent security or securities
of the Company) that at the time of such Flip-in Event have a market value of
two times the exercise price of the Right.

                                       C-2

<PAGE>   51
         In the event (a "Flip-over Event") that, at any time after a person has
become an Acquiring Person, (i) the Company merges with or into any person and
the Company is not the surviving corporation, (ii) any person merges with or
into the Company and the Company is the surviving corporation, but all or part
of the Common Shares are changed or exchanged for stock or other securities of
any other person or cash or any other property, or (iii) 50% or more of the
Company's assets or earning power, including securities creating obligations of
the Company, are sold, in each case as described in the Rights Agreement, then,
and in each such case, proper provision will be made so that from and after the
latest of the Share Acquisition Date, the Distribution Date and the date of the
occurrence of such Flip-over Event, each holder of a Right, other than Rights
which have become void, will 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 (or, under certain circumstances, an economically
equivalent security or securities) of such other person that at the time of such
Flip-over Event have a market value of two times the exercise price of the
Right.

         From and after the later of the Share Acquisition Date and the
Distribution Date, Rights (other than any Rights that have become void) will be
exercisable as described above, upon payment of the aggregate exercise price in
cash. In addition, at any time after the later of the Share Acquisition Date and
the Distribution Date and prior to the acquisition by any person or group of
affiliated or associated persons of 50% or more of the outstanding Common
Shares, the Company may exchange the Rights (other than any rights that have
become void), in whole or in part, at an exchange ratio of one Common Share per
Right (subject to adjustment).

         With certain exceptions, no adjustment in the Purchase Price will be
required until cumulative adjustments require an adjustment in the Purchase
Price of at least 1%. The Company will not be required to issue fractional
Preferred Shares (other than fractions that are integral multiples of one
one-hundredth of a Preferred Share, which may, at the option of the Company, be
evidenced by depositary receipts) or fractional Common Shares or other
securities issuable upon the exercise of Rights. In lieu of issuing such
securities, the Company may make a cash payment, as provided in the Rights
Agreement.

         The Company may, at its option, redeem the Rights in whole, but not in
part, at a price of $.01 per Right, subject to adjustment (the "Redemption
Price"), at any time prior to the close of business on the later of the
Distribution Date and the Share Acquisition Date. Immediately upon any
redemption of the Rights, the right to exercise the Rights will terminate and
the only right of the holders of Rights will be to receive the Redemption Price.

         The Rights Agreement may be amended by the Company without the approval
of any holders of Rights Certificates, including amendments that increase or
decrease the Purchase Price, that add other events requiring adjustment to the
Purchase Price payable and the number of the Preferred Shares or other
securities issuable upon the exercise of the Rights or that modify procedures
relating to the redemption of the Rights, except that no amendment may be made
that decreases the stated Redemption Price to an amount less than $.01 per
Right.

         The Directors will have the exclusive power and authority to administer
the Rights Agreement and to exercise all rights and powers specifically granted
to the Directors or to the

                                       C-3

<PAGE>   52
Company therein, or as may be necessary or advisable in the administration of
the Rights Agreement, including without limitation the right and power to
interpret the provisions of the Rights Agreement and to make all determinations
deemed necessary or advisable for the administration of the Rights Agreement
(including any determination to redeem or not redeem the Rights or to amend or
not amend the Rights Agreement). All such actions, calculations, interpretations
and determinations (including any omission with respect to any of the foregoing)
which are done or made by the Directors in good faith will be final, conclusive
and binding on the Company, the Rights Agent, the holders of the Rights and all
other parties and will not subject the Directors to any liability to any person,
including without limitation the Rights Agent and the holders of the Rights.

         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 free of charge from the Company.

         This summary description of the Rights is as of the Record Date, does
not purport to be complete and is qualified in its entirety by reference to the
Rights Agreement, which is incorporated herein by this reference.


                                       C-4


<PAGE>   1
                                                                    EXHIBIT 99.1
                                                                    ------------

                                 September, 1998


To Our Shareholders:

         We are pleased to inform you that The Lamson & Sessions Co. has adopted
a new shareholder rights plan. The new rights plan replaces the Company's
existing rights plan, which expired on September 7, 1998.

         This action was taken after long and careful study and was not taken in
response to any pending takeover or proposed change in control of the Company.
Like the Company's expired rights plan, the plan is intended to protect the
Company and its shareholders from potentially coercive takeover practices or
takeover bids which are inconsistent with the interests of the Company and its
shareholders. The plan is not intended to deter unsolicited offers that would
provide superior long-term value to all of the Company's shareholders. The
adoption of a share purchase rights plan has become common practice in major
American companies and a well accepted approach to ensuring that all
shareholders receive a fair price and are treated equally in the event of a
takeover.

         To effect the plan, the Directors declared a dividend of one share
purchase right for each outstanding share of the Company's common stock. The
distribution is being made to shareholders of record as of the close of business
on September 20, 1998.

         Under the plan, the rights will initially trade together with the
Company's common stock and will not be exercisable. In the absence of further
board action, the rights generally will become exercisable and allow the holder
to acquire the Company's common stock at a discounted price if a person or group
acquires 15 percent or more of the Company's common stock. Rights held by
persons who exceed the applicable threshold will be void. Under certain
circumstances, the rights will entitle the holder to buy shares in an acquiring
entity at a discounted price.

         The plan also includes an exchange option. In general, after the rights
become exercisable, the Directors may, at their option, effect an exchange of
part or all of the rights (other than rights that have become void) for shares
of the Company's common stock. Under this option, the Company would issue one
share of common stock for each right, subject to adjustment in certain
circumstances.

<PAGE>   2
         The Company's Directors may, at their option, redeem all rights for
$.01 per right, generally at any time prior to the rights becoming exercisable.
The rights will expire September 20, 2008, unless earlier redeemed, exchanged or
amended by the Directors.

         The issuance of the rights is not a taxable event, will not affect the
Company's reported financial condition or results of operations (including
earnings per share), should not interfere with the Company's operating,
financing or investing activities and will not change the way in which the
Company's common stock is currently traded.

         A summary of the share purchase rights plan, which explains the terms
and nature of the rights, is enclosed. Shareholders are urged to review the
summary carefully and retain it with their permanent records.

         In adopting the share purchase rights plan, the Directors have
expressed their confidence in the Company's future and its determination that
you, our shareholders, be given every opportunity to participate fully in that
future.

On Behalf of the Directors,



John B. Schulze
Chairman, President and Chief Executive Officer

                                      -2-


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