Document:

<PAGE>   1
                                                                   Exhibit 10.14

                                                      Translation from Bulgarian

                     DRAFT NO 14-154 AS OF DECEMBER 16, 1999

                                    CONTRACT

On this current day of December 16, 1999, in the City of Sofia, between:

The NATIONAL HEALTH INSURANCE FUND, represented by Dr. ILKO TODOROV SEMERDZHIEV,
Director, and THEODORA PETKOVA HRISTOVA, Chief Financial Officer, hereinafter
called BUYER, on the one hand and, on the other hand,

AREMISSOFT CORPORATION, represented by Mr. M.C. Mathews, Director, hereinafter
called SELLER,

the following contract was concluded based on Art.46, paragraph 1 of the Law for
Public Orders:

1.1.     The BUYER shall buy and the SELLER shall sell the following goods
         and/or services: Supply of Application software

-   Integrated Information System PHASE 1 and PHASE 2;

-   Provision of installation of the above system at the Head Quarters of the
    National Health Insurance Fund and at the Regional Health Insurance Funds
    that are situated in the country's District centers;

-   Provision of education and support within a 12-month guarantee period after
    the system installation.

1.2.     The Parties agree to start negotiations for the supply of Application
         Software - Integrated Information System Phase 3 and Phase 4, which
         negotiations shall be in conformity with the provisions of the Law for
         Public Offers.

1.3.     Negotiations under the previous paragraph may begin not later than the
         date the Seller has performed half (50 percent) of his obligations
         under this contract, and the Buyer has paid half (50 percent) of the
         contract price.

1.4.     The Parties agree that, in the course of the negotiations under
         Art.1.2. above, the price of the Application Software supplied
         (Integrated Information System PHASE 1 and PHASE 2) shall not exceed
         the price, which the SELLER has offered at his financial bid (Leva
         8,460,000).

2. The following present indivisible part of this Contract:

(a)      the Contract terms and conditions;

(b)      the Bid, the Financial Bid inclusive, as presented by the SELLER;

(c)      technical specifications;
<PAGE>   2
(d)      Official Letter by the BUYER for assigning the execution of Public
         Order;

(e)      Attachments No.No. 1 and 2 for future cooperation between the BUYER and
         the SELLER for the provision of licenses and hardware for the 'General
         Practitioner' and Hospital Information Systems;

(f)      Bank Guarantees for:

     -   Reimbursement for advance payments made

The bank guarantee shall serve to reimburse the BUYER for advance payments made
under the Contract, in case the SELLER fails to abide by the Contract terms and
conditions. The BUYER shall discharge the Bank Guarantee upon provision of goods
and services stipulated under this Contract, the cost of which equals the amount
of the advance payments made.

The BUYER shall transfer to the account of the SELLER the amount of Leva
1,415,600.00 (one million four hundred and fifteen thousand and six hundred),
which amount presents advance payment for the execution of this Contract as
stipulated for the 1-st and 2-nd Phase.

     -   Fair Performance

The bank guarantee for fair performance shall be in the amount of 3% (three
percent) of the total Contract price for Phases 1 and 2, or Leva 212,340.00 (two
hundred and twelve thousand and three hundred and forty). It shall secure that
the SELLER abides by all Contract terms and conditions. As soon as the goods and
services have been provided the amount of the guarantee shall be decreased to 1%
(one percent) of the Contract price to cover the liability of the SELLER with
regard to the guarantee period.

     -   General Bank Guarantee for Contract Fulfillment

The General Bank Guarantee shall enter into legal force only in case the
National Health Insurance Fund pays the BUYER, to the account of the BUYER at
'BULBANK' AD, Sofia, the amount of Leva 5,662,400.00 (five million six hundred
and sixty two thousand and four hundred).

The following are the terms of the Bank Guarantee Contract:

The guarantee shall be payable at first written demand signed by the Director of
the NHIF or by a proxy authorized by the Director, in case the SELLER happens to
be in default of his obligations under this Contract. The proxy shall be
authorized by Letter of authorization with notarized signature of the Director
of the NHIF.

The Bank's liability shall be proportionally reduced with each payment on the
guarantee that has been effected.

Within the term of validity of the guarantee, the Bank's liability may be
extinguished in total or partially only in case the BUYER has approved of the
above in written while designating therewith the amount by which the Bank's
liability has been reduced. The written approval shall be signed by the Director
of the NHIF or by a person authorized by the Director. The latter shall be
authorized by Letter of authorization with notarized signature of the Director
of the NHIF.
<PAGE>   3
The SELLER shall receive from the Bank portions of the amount guaranteed only
after written confirmation, from the BUYER to the Bank, in which the actual
amount of the portion shall be stated. The amount of interest that has been
agreed between the Buyer and the Bank shall be calculated and transferred to the
BUYER's bank account as of the dates of maturity, for the whole period the
amounts of the guarantee remain with the Bank.

Upon termination of the Contract, the SELLER shall give his approval on the
transfer, by the Bank, of the rest of the amount on the deposit account to the
BUYER.

The terms for payment for Phases 3 and 4 of this Contract shall be negotiated in
the year of 2000 by signing Attachment to the Contract.

To certify of the above the Parties state herewith their wish to perform this
Contract in conformity with the legislation of the Republic of Bulgaria.

This Contract shall enter legal force after the presentation at the NHIF of a
Contract for Issuance of Bank Guarantee for the fulfillment of the general terms
and conditions of the Contract between the BUYER and the SELLER. The Contract
for Issuance of Bank Guarantee shall be signed between 'BULBANK' AD, City of
Sofia, and the SELLER.

This Contract has been prepared and signed in two identical copies, one of which
for each Party.

Signed and sealed by Dr. Ilko Semerdzhiev
Director of the National Health Insurance Fund
(sign) (seal)

Theodora Hristova
Chief Financial Officer of the National Health Insurance Fund
(sign)

Signed and sealed by M.C. Mathews
Director of ArtemisSoft Corporation
(sign)

(FOLLOWS TRANSLATION OF PARTS OF ANOTHER DRAFT CONTRACT)

 ......... the quality of Goods that are subject to this Contract.

10.2. The cost of concurring services performed by the SELLER, if not included
in the Contract price for provision of Goods, shall be negotiated by the Parties
in advance and shall not exceed the prevailing costs which the SELLER uses for
other parties, when providing similar services.
<PAGE>   4
11. WARRANTY FOR QUALITY

11.1. The SELLER guarantees that the Goods supplied by him in execution of the
Contract shall be in full conformity with the requirements of the BUYER, as
described in the Technical Specification. The SELLER guarantees that all goods
supplied by him under this Contract shall be faultless both with regard to
defects of constructional, material or productional origin (except in case the
construction and/or the material have been specified by the BUYER), as well as
to defects that have their source in the SELLER's negligence, which defects may
come out upon the normal use of the Goods supplied and under the prevailing
conditions in the country of their final destination.

11.2. The SELLER undertakes the obligation to secure support, operative and
technical assistance, within the framework of the technical support provided by
'Oracle'.

11.3. The SELLER undertakes the obligation, upon notification of any defect that
has emerged in the Goods supplied by him, to promptly and adequately repair or
exchange, on his own account, the defected Goods or parts of them.

11.4. In case the SELLER, after due notification, does not correct the faults in
time, the BUYER is entitled to undertake necessary action from his own name but
on the account of the SELLER, for removing the defects that have emerged in the
Goods.

12. PRICES AND TERMS OF PAYMENT

12.1. The SELLER is entitled to remuneration in the amount of Leva 7,078,000.00
(seven million and seventy eight thousand). The Contract price does not include
VAT since direct supplies of imported software are VAT-exempt.

12.2. The Contract price includes:

     -   Leva 7,078,000.00 (seven million and seventy eight thousand) for
     supplies for Phases 1 and 2, as well as for the following:

     -   installation of the system at the Head Quarters of the National Health
     Insurance Fund and at the Regional Health Insurance Funds situated in the
     country's District centers;

     -   provision of education and support within a 12-month guarantee period
     after system installation.

12.3. The SELLER shall be entitled to ask for payment on the Contract against
presentation of a pro-forma invoice for the supply of Goods and/or Services as
well as of a Protocol for the Delivery and Acceptance of the above. The Protocol
shall be prepared in two identical copies and shall be signed by authorized
representatives of the Parties.

12.4. Payments shall be effected by the BUYER within a term not longer than
three banking days considered from the date of presentation of the pro-forma
invoice and the Protocol for Delivery and Acceptance of Goods.
<PAGE>   5
12.5. In case the BUYER terminates the Contract on one or more of the grounds
that have been stated therewith, or on the grounds of the Bulgarian Law, the
SELLER shall be entitled to remuneration for the Goods actually supplied and/or
the Services actually provided, only in case the latter shall be suitable for
separate use by the BUYER.

13. AMENDMENTS TO THE CONTRACT

13.1. This Contract shall be amended only by mutual agreement between the
Parties expressed in written, and in conformity with the Bulgarian Laws.

14. ASSIGNMENT OF OBLIGATIONS TO THIRD PARTIES

14.1. The SELLER is not entitled to assign to third parties, partially or in
total, his obligations under this Contract, unless the BUYER has given his prior
written approval of such action.

                                     For the correctness of translation:

                                           (Sworn translator J. Avramov)
<PAGE>   6
                                                      Translation from Bulgarian

                     DRAFT NO 14-156 AS OF DECEMBER 16, 1999

                                    CONTRACT

On this current day of December 16, 1999, in the City of Sofia, between:

The NATIONAL HEALTH INSURANCE FUND, represented by Dr. ILKO TODOROV SEMERDZHIEV,
Director, and THEODORA PETKOVA HRISTOVA, Chief Financial Officer, hereinafter
called BUYER, on the one hand and, on the other hand

ARTEMISSOFT CORPORATION, represented by Mr. M.C. Mathews, Director, hereinafter
called SELLER,

the following contract was concluded based on Art.46, paragraph 1 of the Law for
Public Orders:

1.1. The BUYER shall buy and the SELLER shall sell the following goods and/or
services:

-    Supply for the NHIF of Application software - Intermediate Integrated
     Information System for the registration of secured persons, of medical
     service providers, of medicines and of drug-stores, and for reporting the
     activities of the above.

-    Provision of installation of the above system at the Head Quarters of the
     National Health Insurance Fund and at the Regional Health Insurance Funds
     that are situated in the country's District centers.

-    Provision of education and support within a 12-month guarantee period after
     the system installation.

2.       The following present indivisible part of this Contract:

(a)      the Contract terms and conditions;

(b)      the Bid, the Financial Bid inclusive, as presented by the SELLER;

(c)      technical specifications;

(d)      Official Letter by the BUYER for assigning the execution of Public
         Order;

(e)      Bank Guarantees for:

     -   Reimbursement for advance payments

The bank guarantee shall serve to reimburse the BUYER for advance payments made
under the Contract, in case the SELLER fails to abide by the Contract terms and
conditions. The BUYER shall discharge the Bank Guarantee upon provision of goods
and services stipulated under this Contract, the cost of which equals the amount
of the advance payments made.
<PAGE>   7
The BUYER shall transfer to the account of the SELLER the amount of Leva
98,000.00 (ninety eight thousand), which amount presents advance payment for the
execution of this Contract as stipulated.

     -   Fair Performance

The bank guarantee for fair performance shall be in the amount of 3% (three
percent) of the total Contract price, or Leva 14,700.00 (fourteen thousand and
seven hundred). It shall secure that the SELLER abides by all Contract terms and
conditions. As soon as the goods and services have been provided the amount of
the guarantee shall be decreased to 1% (one percent) of the Contract price to
cover the liability of the SELLER with regard to the guarantee period.

     -   General Bank Guarantee for Contract Fulfillment

The General Bank Guarantee shall enter into legal force only in case the
National Health Insurance Fund pays the BUYER, to the BUYER's account at
'BULBANK' AD, the City of Sofia, the amount of Leva 392,000.00 (three hundred
and ninety two thousand).

The following are the terms of the Bank Guarantee Contract:

The guarantee shall be payable at first written demand signed by the Director of
the NHIF or by a proxy authorized by the Director, in case the SELLER happens to
be in default of his obligations under this Contract. The proxy shall be
authorized by Letter of authorization with notarized signature of the Director
of the NHIF.

The Bank's liability shall be proportionally reduced with each payment effected
on the guarantee.

Within the term of validity of the guarantee, the Bank's liability may be
extinguished in total or partially only in case the BUYER has approved of the
above in written, and has designated therewith the amount by which the Bank's
liability has been reduced. The written approval shall be signed by the Director
of the NHIF or by a person authorized by the Director. The latter shall be
authorized by Letter of authorization with notarized signature of the Director
of the NHIF.

The SELLER shall receive from the Bank portions of the amount guaranteed only
after written confirmation, from the BUYER to the Bank, in which the actual
amount of the portion shall be stated. The amount of interest that has been
agreed between the Buyer and the Bank shall be calculated and transferred to the
BUYER's bank account as of the dates of maturity, for the whole period the
amounts of the guarantee remain with the Bank.

Upon termination of the Contract, the SELLER shall give his approval on the
transfer, by the Bank, of the rest of the amount on the deposit account to the
BUYER.

To certify of the above the Parties state herewith their wish to perform this
Contract in conformity with the legislation of the Republic of Bulgaria.
<PAGE>   8
This Contract shall enter legal force after the presentation at the NHIF of a
Contract for Issuance of Bank Guarantee for the fulfillment of the general terms
and conditions of the Contract between the BUYER and the SELLER. The Contract
for Issuance of Bank Guarantee shall be signed between 'BULBANK' AD, City of
Sofia, and the SELLER.

This Contract has been prepared and signed in two identical copies, one copy for
each Party.

Signed and sealed by Dr. Ilko Semerdzhiev
Director of the National Health Insurance Fund
(sign) (seal)

Theodora Hristova
Chief Financial Officer of the National Health Insurance Fund
(sign)

Signed and sealed by M.C. Mathews
Director of ArtemisSoft Corporation
(sign)
<PAGE>   9
(FOLLOWS TRANSLATION OF PARTS OF ANOTHER DRAFT CONTRACT)

12. PRICES AND TERMS OF PAYMENT

12.1. The SELLER is entitled to remuneration in the amount of Leva 490,000.00
(four hundred and ninety thousand). The Contract price does not include VAT
since direct supplies of imported software are VAT-exempt.

12.2. The Contract price includes:

     -   Leva 490,000.00 (four hundred and ninety thousand) for supply for the
         NHIF of Application software - Intermediate Integrated Information
         System for the registration of secured persons, of medical service
         providers, of medicines and of drug-stores, and for reporting the
         activities of the above,

as well as for the following:

     -   installation of the system at the Head Quarters of the National Health
         Insurance Fund and at the Regional Health Insurance Funds situated in
         the country's District centers;

     -   provision of education and support within a 12-month guarantee period
         after system installation.

12.3. The SELLER shall be entitled to ask for payment on the Contract against
presentation of a pro-forma invoice for the supply of Goods and/or Services as
well as of Protocol for the Delivery and Acceptance of the above. The Protocol
shall be prepared in two identical copies and shall be signed by authorized
representatives of the Parties.

12.4. Payments shall be effected by the BUYER within a term not longer than
three banking days considered from the date of presentation of the Pro-forma
Invoice and the Protocol for Delivery and Acceptance of Goods.

12.5. In case the BUYER terminates the Contract on one or more of the grounds
that have been stated therewith, or on the grounds of the Bulgarian Law, the
SELLER shall be entitled to remuneration for the Goods actually supplied and/or
the Services actually provided, only in case the latter shall be suitable for
separate use by the BUYER.

                                For the correctness of translation:

                                (Sworn translator J. Avramov)
<PAGE>   10

     [The following information is also provided in the Bulgarian Language]

                                   ANNEX NO. 1

With a view to provide for quick integration in the System of the GPs with which
the NHIF is going to sign contracts in the year 2000, both sides agree to
cooperate in:

 1. Providing lease finance for about 5000 GPs for a period of 3 years for the
computer system (PC, modem and printer) and the clinical module license for each
GP.

2. The price of this GP system will not exceed the BGL equivalent of USD: 4000.
- including leasing taxes.

3. The Seller will provide the financing through a Bulgarian or Foreign Bank
depending on the conditions.

4. The Buyer will check out the possibility to issue a guarantee for the leasing
of the systems to the financing organization.

5. This Annex is subject to confirmation by both sides in the year 2000.

CA AUCEIAEEOAE(beta): ___________________      FOR BUYER: ______________________

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

CA ECIUEIEOAE(beta):  ___________________      FOR SELLER:______________________

                      -------------------                 ----------------------
<PAGE>   11

     [The following information is also provided in the Bulgarian Language]

                                   ANNEX NO. 2

With a view to provide integrated hospital information systems for the 30
regional hospitals in the country both sides agree to the following:

1) The Seller will supply his application software package - integrated hospital
information system, localized according to Bulgarian regulations, for the 30
regional hospitals at a price with 50% discount from the price of a single
installation.

2) The price of the integrated hospital system will not exceed the BGL
equivalent of USD: 300000.- per hospital, based on delivery of the system to 30
hospitals.

3) The Buyer reserves himself the right to announce a procedure according the
Public Procurement Act for the integrated hospital system in 2000-2001.

4) This Annex is subject to further detailing and confirmation by both sides in
year 2000.

CA AUCEIAEEOAE(beta): ___________________   FOR BUYER: _________________________

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

CA ECIUEIEOAE(beta):   ___________________  FOR SELLER: ________________________

                       -------------------              ------------------------<PAGE>   1
                                                                     Exhibit 4.1

                         HUTTIG BUILDING PRODUCTS, INC.

                                       and

            CHASEMELLON SHAREHOLDER SERVICES, L.L.C., as Rights Agent

                                RIGHTS AGREEMENT

                          Dated as of December 6, 1999

<PAGE>   2

                                TABLE OF CONTENTS

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

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

Section 3.  Issue of Right Certificates...........................................................................4

Section 4.  Form of Right Certificates............................................................................5

Section 5.  Countersignature and Registration.....................................................................5

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

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

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

Section 9.  Availability of Preferred Shares......................................................................8

Section 10. Preferred Shares Record Date..........................................................................8

Section 11. Adjustment of Purchase Price, Number of Shares or Number of Rights....................................9

Section 12. Certificate of Adjusted Purchase Price or Number of Shares...........................................15

Section 13. Consolidation, Merger or Sale or Transfer of Assets or Earning Power.................................15

Section 14. Fractional Rights and Fractional Shares..............................................................16

Section 15. Rights of Action.....................................................................................17

Section 16. Agreement of Right Holders...........................................................................17

Section 17. Right Certificate Holder Not Deemed a Stockholder....................................................18

Section 18. Concerning the Rights Agent..........................................................................18

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

Section 20. Duties of Rights Agent...............................................................................19

Section 21. Change of Rights Agent...............................................................................21

Section 22. Issuance of New Right Certificates...................................................................22
</TABLE>

                                      -i-
<PAGE>   3

<TABLE>
<S>         <C>                                                                                                 <C>
Section 23. Redemption...........................................................................................22

Section 24. Exchange.............................................................................................22

Section 25. Notice of Certain Events.............................................................................24

Section 26. Notices..............................................................................................24

Section 27. Supplements and Amendments...........................................................................25

Section 28. Successors...........................................................................................26

Section 29. Benefits of this Agreement...........................................................................26

Section 30. Severability.........................................................................................26

Section 31. Governing Law........................................................................................26

Section 32. Counterparts.........................................................................................26

Section 33. Descriptive Headings.................................................................................26

Section 34. Administration.......................................................................................26
</TABLE>

Exhibit A         -        Form of Certificate of Designation, Preferences and
                           Rights of Series A Junior Participating Preferred
                           Stock

Exhibit B         -        Form of Right Certificate

                                      -ii-
<PAGE>   4

                                RIGHTS AGREEMENT

                  Agreement, dated as of December 6, 1999, between Huttig
Building Products, Inc., a Delaware corporation (the "Company"), and ChaseMellon
Shareholder Services, L.L.C., as Rights Agent (the "Rights Agent").

                  WHEREAS, the Board of Directors of the Company has authorized
and declared a dividend of one preferred share purchase right (a "Right") for
each Common Share (as hereinafter defined) of the Company to be distributed in
the distribution of Common Shares of the Company (the "Spin-Off") by Crane Co.,
a Delaware corporation ("Crane"), to Crane's stockholders, each Right
representing the right to purchase one one-hundredth of a Preferred Share (as
hereinafter defined), upon the terms and subject to the conditions herein set
forth, and has further authorized and directed the issuance of one Right with
respect to each Common Share that shall become outstanding between the effective
date of the Spin-Off and the earliest of the Distribution Date, the Redemption
Date and the Final Expiration Date (as such terms are hereinafter defined).

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

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

                  (a) "Acquiring Person" shall mean any Person (as such term is
hereinafter defined) who or which, together with all Affiliates and Associates
(as such terms are hereinafter defined) of such Person, shall be the Beneficial
Owner (as such term is hereinafter defined) of 20% or more of the Common Shares
of the Company then outstanding, but shall not include Rugby, any Subsidiary (as
such term is hereinafter defined) of Rugby, Crane, any Subsidiary of Crane, the
Company, any Subsidiary of the Company, any employee benefit plan of the Company
or any Subsidiary of the Company, or any entity holding Common Shares of the
Company for or pursuant to the terms of any such plan, The Crane Fund or The
Crane Fund for Widows and Children; provided, however, that the foregoing
exception for Rugby and any Subsidiary of Rugby shall be effective only for so
long as Rugby and its Affiliates and Associates shall beneficially own no Common
Shares of the Company other than (i) Common Shares of the Company acquired by
Rugby or a Subsidiary of Rugby pursuant to the Share Exchange Agreement dated as
of October 19, 1999 among the Company, Crane Co., and Rugby ("Share Exchange
Shares"); and/or (ii) Common Shares of the Company issued as a dividend on Share
Exchange Shares or issued in a reclassification, subdivision, consolidation, or
combination of Share Exchange Shares and/or (iii) additional Common Shares of
the Company in an aggregate amount not exceeding 1% of the Common Shares of the
Company outstanding at the time of acquisition of any Common Shares; provided,
further, that the foregoing exception for Crane and any Subsidiary of Crane
shall be effective only until the effective date of the Spin-Off.
Notwithstanding the foregoing, no Person shall become an "Acquiring Person" as
the result of an acquisition of Common Shares by the Company which, by reducing
the number of shares outstanding, increases the proportionate number of shares
beneficially owned by such Person to

<PAGE>   5

20% or more of the Common Shares of the Company then outstanding; provided,
however, that if a Person shall become the Beneficial Owner of 20% or more of
the Common Shares of the Company then outstanding by reason of share purchases
by the Company and shall, after such share purchases by the Company, become the
Beneficial Owner of any additional Common Shares of the Company, then such
Person shall be deemed to be an "Acquiring Person". Notwithstanding the
foregoing, if the Board of Directors of the Company determines 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" shall have the respective
meanings ascribed to such terms in Rule 12b-2 of the General Rules and
Regulations promulgated under the Securities Exchange Act of 1934, as amended
(the "Exchange Act"), as in effect on the date of this Agreement.

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

                  (i) which such Person or any of such Person's Affiliates or
         Associates beneficially owns, directly or indirectly;

                  (ii) which such Person or any of such Person's Affiliates or
         Associates has (A) the right to acquire (whether such right is
         exercisable immediately or only after the passage of time) pursuant to
         any agreement, arrangement or understanding (other than customary
         agreements with and between underwriters and selling group members with
         respect to a bona fide public offering of securities), or upon the
         exercise of conversion rights, exchange rights, rights (other than
         these Rights), warrants or options, or otherwise; provided, however,
         that a Person shall 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 (B) the right to vote pursuant to any
         agreement, arrangement or understanding; provided, however, that a
         Person shall not be deemed the Beneficial Owner of, or to beneficially
         own, any security if the agreement, arrangement or understanding to
         vote such security (l) arises solely from a revocable proxy or consent
         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 promulgated under the Exchange Act and (2) is not
         also then reportable on Schedule 13D under the Exchange Act (or any
         comparable or successor report); or

                  (iii) which are beneficially owned, directly or indirectly, by
         any other Person with which such Person or any of such Person's
         Affiliates or Associates has any agreement, arrangement or
         understanding (other than customary agreements with and

                                      -2-
<PAGE>   6

         between underwriters and selling group members with respect to a bona
         fide public offering of securities) for the purpose of acquiring,
         holding, voting (except to the extent contemplated by the proviso to
         Section l(c)(ii)(B)) or disposing of any securities of the Company.

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

                  Notwithstanding the foregoing, none of the Company's directors
or officers shall be deemed to be the Beneficial Owner of, or to beneficially
own, any Common Shares of the Company owned by any other director or officer of
the Company solely by virtue of such persons acting in their capacities as such,
including, without limitation, in connection with any formulation and
publication of the Board of Directors' recommendation of a position, and any
actions taken in furtherance thereof, with respect to any acquisition proposal
relating to the Company, a tender or exchange offer for any Common Shares of the
Company or any solicitation of proxies with respect to any Common Shares of the
Company.

                  (d) "Business Day" shall mean any day other than a Saturday, a
Sunday, or a day on which banking institutions in New York, New York or
Ridgefield Park, New Jersey are authorized or obligated by law or executive
order to close.

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

                  (f) "Common Shares" when used with reference to the Company
shall mean the shares of common stock, par value $.01 per share, of the Company.
"Common Shares" when used with reference to any Person other than the Company
shall mean the capital stock (or equity interest) with the greatest voting power
of such other Person or, if such other Person is a Subsidiary of another Person,
the Person or Persons which ultimately control such first-mentioned Person.

                  (g) "Distribution Date" shall have the meaning set forth in
Section 3(a) hereof.

                  (h) "Final Expiration Date" shall have the meaning set forth
in Section 7(a) hereof.

                  (i) "Person" shall mean any individual, firm, corporation,
limited liability company or other entity, and shall include any successor (by
merger or otherwise) of such entity.

                  (j) "Preferred Shares" shall mean shares of Series A Junior
Participating Preferred Stock, par value $.01 per share, of the Company having
the rights and preferences set

                                      -3-
<PAGE>   7

forth in the Form of Certificate of Designations, Preferences and Rights of
Series A Junior Participating Preferred Stock, a copy of which is attached to
this Agreement as Exhibit A.

                  (k) "Purchase Price" shall have the meaning set forth in
Section 7(b) hereof.

                  (l) "Redemption Date" shall have the meaning set forth in
Section 7(a) hereof.

                  (m) "Rugby" shall mean The Rugby Group PLC and any entity
surviving or resulting from the merger or consolidation of The Rugby Group PLC.

                  (n) "Shares Acquisition Date" shall mean the first date of
public announcement by the Company or an Acquiring Person that an Acquiring
Person has become such.

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

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

                  Section 3.  Issue of Right Certificates.

                  (a) Until the earlier of the Close of Business on (i) the
tenth day after the Shares Acquisition Date or (ii) the tenth Business Day (or
such later date as may be determined by action of the Board of Directors prior
to such time as any Person becomes an Acquiring Person) after the date of the
commencement by any Person (other than the Company, any Subsidiary of the
Company, any employee benefit plan of the Company or of any Subsidiary of the
Company, any entity holding Common Shares for or pursuant to the terms of any
such plan, The Crane Fund or The Crane Fund for Widows and Children) of, or of
the first public announcement of the intention of any Person (other than the
Company, any Subsidiary of the Company, any employee benefit plan of the Company
or of any Subsidiary of the Company, any entity holding Common Shares for or
pursuant to the terms of any such plan, The Crane Fund or The Crane Fund for
Widows and Children) to commence, a tender or exchange offer the consummation of
which would result in any Person becoming an Acquiring Person (including any
such date which is after the date of this Agreement and prior to the issuance of
the Rights; the earlier of such dates being herein referred to as the
"Distribution Date"), (x) the Rights will be evidenced by the certificates for
Common Shares of the Company registered in the names of the holders thereof
(which certificates shall also be deemed to be Right Certificates) and not by
separate Right Certificates, and (y) the right to receive Right Certificates
will be transferable only in connection with the transfer of Common Shares of
the Company. As soon 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

                                      -4-
<PAGE>   8

Shares of the Company 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, in substantially the form of Exhibit B hereto (a "Right
Certificate"), evidencing one Right for each Common Share of the Company so
held. As of the Distribution Date, the Rights will be evidenced solely by such
Right Certificates.

                  (b) Until the earliest of the Distribution Date, the
Redemption Date or the Final Expiration Date, certificates for Common Shares of
the Company (including, without limitation, reacquired Common Shares of the
Company referred to in the last sentence of this paragraph (b)) shall have
impressed on, printed on, written on or otherwise affixed to them the following
legend:

         This certificate also evidences and entitles the holder hereof to
         certain rights as set forth in a Rights Agreement between Huttig
         Building Products, Inc. and ChaseMellon Shareholder Services, L.L.C.,
         dated as of December 6, 1999 (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 Huttig Building
         Products, Inc. Under certain circumstances, as set forth in the Rights
         Agreement, such Rights will be evidenced by separate certificates and
         will no longer be evidenced by this certificate. Huttig Building
         Products, Inc. will mail to the holder of this certificate a copy of
         the Rights Agreement without charge after receipt of a written request
         therefor. Under certain circumstances, as set forth in the Rights
         Agreement, Rights issued to any Person who becomes an Acquiring Person
         (as defined in the Rights Agreement) may become null and void.

With respect to such certificates containing the foregoing legend, until the
Distribution Date, the Rights associated with the Common Shares of the Company
represented by such certificates shall be evidenced by such certificates alone,
and the surrender for transfer of any such certificate shall also constitute the
transfer of the Rights associated with the Common Shares of the Company
represented thereby. In the event that the Company purchases or acquires any
Common Shares of the Company prior to the Distribution Date, any Rights
associated with such Common Shares of the Company shall be deemed canceled and
retired so that the Company shall not be entitled to exercise any Rights
associated with the Common Shares of the Company which are no longer
outstanding.

                  Section 4. Form of Right Certificates. The Right Certificates
(and the forms of election to purchase Preferred Shares and of assignment to be
printed on the reverse thereof) shall be substantially the same as Exhibit B
hereto and may have such marks of identification or designation and such
legends, summaries or endorsements printed thereon as the Company may deem
appropriate (which do not affect the duties or responsibilities of the Rights
Agent) and as are not inconsistent with the provisions of this Agreement, or as
may be required to comply with any applicable law or with any rule or regulation
made pursuant thereto or with any rule or regulation of any stock exchange on
which the Rights may from time to time be listed, or to conform to usage.
Subject to the provisions of Section 22 hereof, the Right Certificates shall
entitle the holders thereof to purchase such number of one one-hundredths of a
Preferred Share as

                                      -5-
<PAGE>   9

shall be set forth therein at the Purchase Price, but the number of such one
one-hundredths of a Preferred Share and the Purchase Price shall be subject to
adjustment as provided herein.

                  Section 5. Countersignature and Registration. The Right
Certificates shall be executed on behalf of the Company by its Chairman of the
Board, its Chief Executive Officer, its President, its Chief Operating Officer,
any of its Vice Presidents or its Treasurer, either manually or by facsimile
signature, shall have affixed thereto the Company's seal or a facsimile thereof,
and shall be attested by the Secretary or an Assistant Secretary of the Company,
either manually or by facsimile signature. The Right Certificates shall be
manually countersigned by the Rights Agent and shall not be valid for any
purpose unless countersigned. In case any officer of the Company who shall have
signed any of the Right Certificates shall cease to be such officer of the
Company before countersignature by the Rights Agent and issuance 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, shall be 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 an officer.

                  Following the Distribution Date and receipt by the Rights
Agent of notice and a list of record holders of Rights, the Rights Agent will
keep or cause to be kept, at its office designated pursuant to Section 26
hereof, books for registration and transfer of the Right Certificates issued
hereunder. Such books shall show the names and addresses of the respective
holders of the Right Certificates, the number of Rights evidenced on its face by
each of the Right Certificates and the date of each of the Right Certificates.

                  Section 6. Transfer, Split Up, Combination and Exchange of
Right Certificates; Mutilated, Destroyed, Lost or Stolen Right Certificates.
Subject to the provisions of Section 14 hereof, at any time after the Close of
Business on the Distribution Date, and at or prior to the Close of Business on
the earlier of the Redemption Date or the Final Expiration Date, any Right
Certificate or Right Certificates (other than Right Certificates representing
Rights that have become null and void pursuant to Section 11(a)(ii) hereof or
that have been exchanged pursuant to Section 24 hereof) 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 as the Right Certificate or Right
Certificates surrendered then entitled such holder to purchase. Any registered
holder desiring to transfer, split up, combine or exchange any Right Certificate
or Right Certificates shall make such request in writing delivered to the Rights
Agent, and shall surrender the Right Certificate or Right Certificates to be
transferred, split up, combined or exchanged at the office of the Rights Agent
designated for such purpose. Neither the Rights Agent nor the Company shall be
obligated to take any action whatsoever with respect to the transfer of any such
Right Certificate or Certificates until the registered holder shall have
completed and signed the certificate contained in the form of assignment set
forth on the reverse side of such Right Certificate and shall have provided such
additional evidence of the identity of the Beneficial Owner or Affiliates or

                                      -6-
<PAGE>   10

Associates thereof as the Company or the Rights Agent shall reasonably request.
Thereupon the Rights Agent shall countersign and deliver to the Person entitled
thereto a Right Certificate or Right Certificates, as the case may be, as so
requested. The Company may require payment of a sum sufficient to cover any tax
or governmental charge that may be imposed in connection with any transfer,
split up, combination or exchange of Right Certificates, and the Rights Agent
shall not be obligated to effect any transfer of a Right Certificate or
Certificates until it has received evidence satisfactory to it that any such
taxes or charges have been paid.

                  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 satisfactory to them, and, at the Company's request, reimbursement to
the Company and the Rights Agent of all reasonable expenses incidental thereto,
and upon surrender to the Rights Agent and cancellation of the Right Certificate
if mutilated, the Company will make and deliver a new Right Certificate of like
tenor to the Rights Agent for delivery to the registered holder in lieu of the
Right Certificate so lost, stolen, destroyed or mutilated.

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

                  (a) The registered holder of any Right Certificate may,
subject to the second paragraph of Section 11(a)(ii), exercise the Rights
evidenced thereby (except as otherwise provided herein) in whole or in part at
any time after the Distribution Date upon surrender of the Right Certificate,
with the form of election to purchase on the reverse side thereof duly executed,
to the Rights Agent at the office of the Rights Agent designated for such
purpose, together with payment of the Purchase Price for each one one-hundredth
of a Preferred Share as to which the Rights are exercised, at or prior to the
earliest of (i) the Close of Business on December 6, 2009 (the "Final Expiration
Date"), (ii) the time at which the Rights are redeemed as provided in Section 23
hereof (the "Redemption Date"), or (iii) the time at which such Rights are
exchanged as provided in Section 24 hereof.

                  (b) The Purchase Price for each one one-hundredth of a
Preferred Share purchasable pursuant to the exercise of a Right shall initially
be $27.50, and shall be subject to adjustment from time to time as provided in
Sections 11 and 13 hereof and shall be payable in lawful money of the United
States of America in accordance with paragraph (c) below (the "Purchase Price").

                  (c) Upon receipt of a Right Certificate representing
exercisable Rights, with the form of election to purchase duly executed,
accompanied by payment of the Purchase Price for the shares to be purchased and
an amount equal to any applicable tax or governmental charge required to be paid
by the holder of such Right Certificate in accordance with Section 9 hereof by
wire transfer, certified check, cashier's check, official bank check or money
order payable to the order of the Company, the Rights Agent shall thereupon
promptly (i) (A) requisition from any transfer agent of the Preferred Shares
certificates for the number of Preferred Shares to be purchased and the Company
hereby irrevocably authorizes its transfer agent to comply with all such
requests, or (B) requisition from the depository agent depository receipts
representing such

                                      -7-
<PAGE>   11

number of one one-hundredths of a Preferred Share as are to be purchased (in
which case certificates for the Preferred Shares represented by such receipts
shall be deposited by the transfer agent with the depository agent) and the
Company hereby directs the depository agent to comply with such request, (ii)
when appropriate, requisition from the Company the amount of cash to be paid in
lieu of issuance of fractional shares in accordance with Section 14 hereof,
(iii) after receipt of such certificates or depository receipts, cause the same
to be delivered to or upon the order of the registered holder of such Right
Certificate, registered in such name or names as may be designated by such
holder and (iv) when appropriate, after receipt, deliver such cash to or upon
the order of the registered holder of such Right Certificate.

                  (d) In case the registered holder of any Right Certificate
shall exercise less than all the Rights evidenced thereby, a new Right
Certificate evidencing Rights equivalent to the Rights remaining unexercised
shall be issued by the Rights Agent to the registered holder of such Right
Certificate or to such holder's duly authorized assigns, subject to the
provisions of Section 14 hereof.

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

                  Section 9. Availability of Preferred Shares. The Company
covenants and agrees that 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, the number of Preferred Shares that will be sufficient to permit the
exercise in full of all outstanding Rights in accordance with Section 7. The
Company covenants and agrees that it will take all such action as may be
necessary to ensure that all Preferred Shares delivered upon exercise of Rights
shall, at the time of delivery of the certificates for such Preferred Shares
(subject to payment of the Purchase Price), be duly and validly authorized and
issued and fully paid and nonassessable shares.

                  The Company further covenants and agrees that it will pay when
due and payable any and all taxes and governmental charges which may be payable
in respect of the issuance or delivery of the Right Certificates or of any
Preferred Shares upon the exercise of Rights. The Company shall not, however, be
required to pay any transfer tax which may be payable in respect of any transfer
or delivery of Right Certificates to a Person other than, or the issuance or
delivery of certificates or depository receipts for the Preferred Shares in a
name other than that of, the registered holder of the Right Certificate
evidencing Rights surrendered for exercise or to issue or to deliver any
certificates or depository receipts for Preferred Shares upon the exercise of
any

                                      -8-
<PAGE>   12

Rights until any such tax shall have been paid (any such tax being payable by
the holder of such Right Certificate at the time of surrender) or until it has
been established to the Company's reasonable satisfaction that no such tax is
due.

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

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

                  (a) (i) In the event the Company shall at any time after the
date of this Agreement (A) declare a dividend on the Preferred Shares payable in
Preferred Shares, (B) subdivide the outstanding Preferred Shares, (C) combine
the outstanding Preferred Shares into a smaller number of Preferred Shares or
(D) issue 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 the number and kind of
shares of capital stock issuable on such date, shall be proportionately adjusted
so that the holder of any Right exercised after such time shall be entitled to
receive the aggregate number and kind of shares of capital stock which, if such
Right had been exercised immediately prior to such date and at a time when the
Preferred Shares transfer books of the Company were open, such holder would have
owned upon such exercise and been entitled to receive by virtue of such
dividend, subdivision, combination or reclassification; provided, however, that
in no event shall the consideration to be paid upon the exercise of one Right be
less than the aggregate par value of the shares of capital stock of the Company
issuable upon exercise of one Right.

                  (ii) Subject to Section 24 of this Agreement, in the event any
Person becomes an Acquiring Person, each holder of a Right shall thereafter have
a right to receive, upon exercise thereof at a price equal to the then current
Purchase Price multiplied by the number of one one-

                                      -9-
<PAGE>   13

hundredths of a Preferred Share for which a Right is then exercisable, in
accordance with the terms of this Agreement and in lieu of Preferred Shares,
such number of Common Shares of the Company as shall equal 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 then exercisable and
dividing that product by (y) 50% of the then current per share market price of
the Company's Common Shares (determined pursuant to Section 11(d) hereof) on the
date of the occurrence of such event; provided, however, that if the transaction
that would otherwise give rise to the foregoing adjustment is also subject to
the provisions of Section 13 hereof, then only the provisions of Section 13
hereof shall apply and no adjustment shall be made pursuant to this Section
11(a)(ii). In the event that any Person shall become an Acquiring Person and the
Rights shall then be outstanding, the Company shall not take any action which
would eliminate or diminish the benefits intended to be afforded by the Rights.

                  From and after the occurrence of such event, any Rights that
are or were acquired or beneficially owned by any Acquiring Person (or any
Associate or Affiliate of such Acquiring Person) shall be null and void and any
holder of such Rights shall thereafter have no right to exercise such Rights
under any provision of this Agreement. No Right Certificate shall be issued
pursuant to Section 3 that represents Rights beneficially owned by an Acquiring
Person whose Rights would be void pursuant to the preceding sentence or any
Associate or Affiliate thereof; no Right Certificate shall be issued at any time
upon the transfer of any Rights to an Acquiring Person whose Rights would be
void pursuant to the preceding sentence or any Associate or Affiliate thereof or
to any nominee of such Acquiring Person, Associate or Affiliate; and any Right
Certificate delivered to the Rights Agent for transfer to an Acquiring Person
whose Rights would be void pursuant to the preceding sentence shall be canceled.
The Company shall notify the Rights Agent when this Section applies and shall
use all reasonable efforts to insure that the provisions of this Section are
complied with, but neither the Company nor the Rights Agent shall have any
liability to any holder of Right Certificates or other Person as a result of the
Company's failure to make any determination with respect to an Acquiring Person
or any of their respective Affiliates or transferees or transactions hereunder.

                  (iii) In the event that there shall not be sufficient Common
Shares of the Company issued but not outstanding or authorized but unissued to
permit the exercise in full of the Rights in accordance with the foregoing
subparagraph (ii), the Company shall take all such action as may be necessary to
authorize additional Common Shares of the Company for issuance upon exercise of
the Rights. In the event the Company shall, after good faith effort, be unable
to take all such action as may be necessary to authorize such additional Common
Shares of the Company, the Company shall substitute, for each Common Share of
the Company that would otherwise be issuable upon exercise of a Right, a number
of Preferred Shares or fraction thereof such that the current per share market
price of one Preferred Share multiplied by such number or fraction is equal to
the current per share market price of one Common Share of the Company as of the
date of issuance of such Preferred Shares or fraction thereof.

                  (b) In case the Company shall fix 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 shares

                                      -10-
<PAGE>   14

having the same rights, privileges and preferences as the Preferred Shares
("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
then current per share market price of the Preferred Shares (as defined in
Section 11(d) hereof) on such record date, the Purchase Price to be in effect
after such record date shall be determined by multiplying the Purchase Price in
effect immediately prior to such record date by a fraction, the numerator of
which shall be 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 market price and the
denominator of which shall be 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
of the Company issuable upon exercise of one Right. In case such subscription
price may be paid in a consideration part or all of which shall be in a form
other than cash, the value of such consideration shall be as determined in good
faith by the Board of Directors of the Company, whose determination shall be
described in a statement filed with the Rights Agent. Preferred Shares owned by
or held for the account of the Company shall not be deemed outstanding for the
purpose of any such computation. Such adjustment shall be made successively
whenever such a record date is fixed; and in the event that such rights, options
or warrants are not so issued, the Purchase Price shall be adjusted to be the
Purchase Price which would then be in effect if such record date had not been
fixed.

                  (c) In case the Company shall fix a record date for the making
of a distribution to all holders of the 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
or assets (other than a regular quarterly cash dividend or a dividend payable in
Preferred Shares) or subscription rights or warrants (excluding those referred
to in Section 11(b) hereof), the Purchase Price to be in effect after such
record date shall be determined by multiplying the Purchase Price in effect
immediately prior to such record date by a fraction, the numerator of which
shall be the then current per share market price of the Preferred Shares on such
record date, less the fair market value (as determined in good faith by the
Board of Directors of the Company, whose determination shall be described in a
statement filed with the Rights Agent) of the portion of the assets or evidences
of indebtedness so to be distributed or of such subscription rights or warrants
applicable to one Preferred Share and the denominator of which shall be such
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 of the Company
to be issued upon exercise of one Right. Such adjustments shall be made
successively whenever such a record date is fixed; and in the event that such
distribution is not so made, the Purchase Price shall again be adjusted to be
the Purchase Price which would then be in effect if such record date had not
been fixed.

                                      -11-
<PAGE>   15

                  (d) (i) For the purpose of any computation hereunder, the
"current per share market price" of any security (a "Security" for the purpose
of this Section 11(d)(i)) on any date shall be deemed to be the average of the
daily closing prices per share of such Security for the thirty (30) consecutive
Trading Days (as such term is hereinafter defined) which fall within the
one-year period ending on such date and have the lowest such average; provided,
however, that in the event that the current per share market price of the
Security is determined during a period following the announcement by the issuer
of such Security of (A) a dividend or distribution on such Security payable in
shares of such Security or securities convertible into such shares, or (B) any
subdivision, combination or reclassification of such Security and prior to the
expiration of thirty (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 shall be appropriately adjusted to reflect the current market price per
share equivalent of such Security. The closing price for each day shall be the
last sale price, regular way, or, in case no such sale takes place on such day,
the average of the closing bid and asked prices, regular way, in either case as
reported in the principal consolidated transaction reporting system with respect
to securities listed or admitted to trading on the New York Stock Exchange or,
if the Security is 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 Security is listed or admitted to trading or, if the Security is
not listed or admitted to trading on any national securities exchange, the last
quoted price or, if not so quoted, the average of the high bid and low asked
prices in the over-the-counter market, as reported by the National Association
of Securities Dealers, Inc. Automated Quotations System ("NASDAQ") or such other
system then in use, or, if on any such date the Security is 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 Security selected by the
Board of Directors of the Company. The term "Trading Day" shall mean a day on
which the principal national securities exchange on which the Security is listed
or admitted to trading is open for the transaction of business or, if the
Security is not listed or admitted to trading on any national securities
exchange, a Business Day.

                  (ii) For the purpose of any computation hereunder, the
"current per share market price" of the Preferred Shares shall be determined in
accordance with the method set forth in Section 11(d)(i). If the Preferred
Shares are not publicly traded, the "current per share market price" of the
Preferred Shares shall be conclusively deemed to be the current per share market
price of the Common Shares of the Company as determined pursuant to Section
11(d)(i) (appropriately adjusted to reflect any stock split, stock dividend or
similar transaction occurring after the date hereof), multiplied by one hundred.
If neither the Common Shares of the Company nor the Preferred Shares are
publicly held or so listed or traded, "current per share market price" shall
mean the fair value per share as determined in good faith by the Board of
Directors of the Company, whose determination shall be described in a statement
filed with the Rights Agent.

                  (e) No adjustment in the Purchase Price shall be required
unless such adjustment would require an increase or decrease of at least 1% in
the Purchase Price; provided, however, that any adjustments which by reason of
this Section 11(e) are not required to be made shall be carried forward and
taken into account in any subsequent adjustment. All calculations

                                      -12-
<PAGE>   16

under this Section 11 shall be made to the nearest cent or to the nearest one
one-millionth of a Preferred Share or one ten-thousandth of any other share or
security as the case may be. Notwithstanding the first sentence of this Section
11(e), any adjustment required by this Section 11 shall be made no later than
the earlier of (i) three years from the date of the transaction which requires
such adjustment or (ii) the date of the expiration of the right to exercise any
Rights.

                  (f) If as a result of an adjustment made pursuant to Section
11(a) hereof, the holder of any Right thereafter exercised shall become entitled
to receive any shares of capital stock of the Company other than Preferred
Shares, thereafter the number of such other shares so receivable upon exercise
of any Right shall be subject to adjustment from time to time in a manner and on
terms as nearly equivalent as practicable to the provisions with respect to the
Preferred Shares contained in Section 11(a) through (c), inclusive, and the
provisions of Sections 7, 9, 10 and 13 with respect to the Preferred Shares
shall apply on like terms to any such other shares.

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

                  (h) Unless the Company shall have exercised its election as
provided in Section 11(i), upon each adjustment of the Purchase Price as a
result of the calculations made in Sections 11(b) and (c), each Right
outstanding immediately prior to the making of such adjustment shall thereafter
evidence the right to purchase, at the adjusted Purchase Price, that number of
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 share covered by a Right immediately prior to this
adjustment by (y) the Purchase Price in effect immediately prior to such
adjustment of the Purchase Price and (ii) dividing the product so obtained by
the Purchase Price in effect immediately after such adjustment of the Purchase
Price.

                  (i) The Company may elect on or after the date of any
adjustment of the Purchase Price to adjust the number of Rights, in substitution
for any adjustment in the number of one one-hundredths of a Preferred Share
purchasable upon the exercise of a Right. Each of the Rights outstanding after
such adjustment of the number of Rights shall be exercisable for the number of
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 shall 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 shall make a public announcement of its election to adjust the number of
Rights, indicating the record date for the adjustment, and, if known at the
time, the amount of the adjustment to be made. A copy of such public
announcement shall be delivered to the Rights Agent. This 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, shall be at least 10 days later than the

                                      -13-
<PAGE>   17

date of the public announcement. If Right Certificates have been issued, upon
each adjustment of the number of Rights pursuant to this Section 11(i), the
Company shall, as promptly as practicable, cause to be distributed to holders of
record of Right Certificates on such record date Right Certificates evidencing,
subject to Section 14 hereof, the additional Rights to which such holders shall
be entitled as a result of such adjustment, or, at the option of the Company,
shall cause to be distributed to such holders of record in substitution and
replacement for the Right Certificates held by such holders prior to the date of
adjustment, and upon surrender thereof, if required by the Company, new Right
Certificates evidencing all the Rights to which such holders shall be entitled
after such adjustment. Right Certificates so to be distributed shall be issued,
executed and countersigned in the manner provided for herein and shall be
registered in the names of the holders of record of Right Certificates on the
record date specified in the public announcement.

                  (j) Irrespective of any adjustment or change in the Purchase
Price or the number of one one-hundredths of a Preferred Share issuable upon the
exercise of the Rights, the Right Certificates theretofore and thereafter issued
may continue to express the Purchase Price and the number of one one-hundredths
of a Preferred Share which were expressed in the initial Right Certificates
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 issuable upon exercise of the Rights, the Company
shall take any corporate action which may, in the opinion of its counsel, be
necessary in order that the Company may validly and legally issue fully paid and
nonassessable Preferred Shares at such adjusted Purchase Price.

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

                  (m) Anything in this Section 11 to the contrary
notwithstanding, the Company shall be entitled to make such reductions in the
Purchase Price, in addition to those adjustments expressly required by this
Section 11, as and to the extent that it in its sole discretion shall determine
to be advisable in order that any consolidation or subdivision of the Preferred
Shares, issuance wholly for cash of any Preferred Shares at less than the
current market price, issuance wholly for cash of Preferred Shares or securities
which by their terms are convertible into or exchangeable for Preferred Shares,
dividends on Preferred Shares payable in Preferred Shares or issuance of rights,
options or warrants referred to hereinabove in Section 11(b), hereafter made by
the Company to holders of its Preferred Shares shall not be taxable to such
stockholders.

                                      -14-
<PAGE>   18

                  (n) In the event that at any time after the date of this
Agreement and prior to the Distribution Date, the Company shall (i) declare or
pay any dividend on the Common Shares of the Company payable in Common Shares of
the Company or (ii) effect a subdivision, combination or consolidation of the
Common Shares of the Company (by reclassification or otherwise than by payment
of dividends in Common Shares of the Company) into a greater or lesser number of
Common Shares of the Company, then in any such case (A) the number of one
one-hundredths of a Preferred Share purchasable after such event upon proper
exercise of each Right shall be determined by multiplying the number of one
one-hundredths of a Preferred Share so purchasable immediately prior to such
event by a fraction, the numerator of which is the number of Common Shares of
the Company outstanding immediately before such event and the denominator of
which is the number of Common Shares of the Company outstanding immediately
after such event, and (B) each Common Share of the Company outstanding
immediately after such event shall have issued with respect to it that number of
Rights which each Common Share of the Company outstanding immediately prior to
such event had issued with respect to it. The adjustments provided for in this
Section 11(n) shall be made successively whenever such a dividend is declared or
paid or such a subdivision, combination or consolidation is effected.

                  Section 12. Certificate of Adjusted Purchase Price or Number
of Shares. Whenever an adjustment is made as provided in Section 11 or 13
hereof, the Company shall promptly (a) prepare a certificate setting forth such
adjustment, and a brief, reasonably detailed statement of the facts,
computations and accounting for such adjustment, (b) file with the Rights Agent
and with each transfer agent for the Common Shares of the Company or the
Preferred Shares a copy of such certificate and (c) mail a brief summary thereof
to each holder of a Right Certificate in accordance with Section 25 hereof. The
Rights Agent shall be fully protected in relying on any such certificate and on
any adjustment therein contained and shall have no duty with respect to, and
shall not be deemed to have knowledge of, any adjustment unless and until it
shall have received such a certificate.

                  Section 13. Consolidation, Merger or Sale or Transfer of
Assets or Earning Power. In the event, directly or indirectly, at any time after
a Person has become an Acquiring Person, (a) the Company shall consolidate with,
or merge with and into, any other Person, (b) any Person shall consolidate with
the Company, or merge with and into the Company and the Company shall be the
continuing or surviving corporation of such merger and, in connection with such
merger, all or part of the Common Shares of the Company shall be changed into or
exchanged for stock or other securities of any other Person (or the Company) or
cash or any other property, or (c) the Company shall sell or otherwise transfer
(or one or more of its Subsidiaries shall sell or otherwise transfer), in one or
more transactions, assets or earning power aggregating 50% or more of the assets
or earning power of the Company and its Subsidiaries (taken as a whole) to any
other Person other than the Company or one or more of its wholly-owned
Subsidiaries, then, and in each such case, proper provision shall be made so
that (i) each holder of a Right (other than Rights which have become void
pursuant to Section 11(a)(ii) hereof) shall thereafter have the right to
receive, upon the exercise thereof at a price equal to the then current Purchase
Price multiplied by the number of one one-hundredths of a Preferred Share for
which a Right is then exercisable, in accordance with the terms of this
Agreement and in lieu of Preferred

                                      -15-
<PAGE>   19

Shares, such number of Common Shares of such other Person (including the Company
as successor thereto or as the surviving corporation) as shall equal the result
obtained by (A) multiplying the then current Purchase Price by the number of one
one-hundredths of a Preferred Share for which a Right is then exercisable and
dividing that product by (B) 50% of the then current per share market price of
the Common Shares of such other Person (determined pursuant to Section 11(d)
hereof) on the date of consummation of such consolidation, merger, sale or
transfer; (ii) the issuer of such Common Shares shall thereafter be liable for,
and shall assume, by virtue of such consolidation, merger, sale or transfer, all
the obligations and duties of the Company pursuant to this Agreement; (iii) the
term "Company" shall thereafter be deemed to refer to such issuer; and (iv) such
issuer shall take such steps (including, but not limited to, the reservation of
a sufficient number of its Common Shares to permit the exercise in full of all
outstanding Rights in accordance with this Agreement) in connection with such
consummation as may be necessary to assure that the provisions hereof shall
thereafter be applicable, as nearly as reasonably may be, in relation to the
Common Shares thereafter deliverable upon the exercise of the Rights. The
Company shall not consummate any such consolidation, merger, sale or transfer
unless prior thereto the Company and such issuer shall have executed and
delivered to the Rights Agent a supplemental agreement so providing. The Company
shall not enter into any transaction of the kind referred to in this Section 13
if at the time of such transaction there are any rights, warrants, instruments
or securities outstanding or any agreements or arrangements which, as a result
of the consummation of such transaction, would eliminate or substantially
diminish the benefits intended to be afforded by the Rights. The provisions of
this Section 13 shall similarly apply to successive mergers or consolidations or
sales or other transfers.

                  Section 14. Fractional Rights and Fractional Shares.

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

                                      -16-
<PAGE>   20

fair value of the Rights on such date as determined in good faith by the Board
of Directors of the Company shall be used.

                  (b) The Company shall not be required to issue fractions of
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 depository
receipts, pursuant to an appropriate agreement between the Company and a
depository selected by it; provided, that such agreement shall provide that the
holders of such depository receipts shall have all the rights, privileges and
preferences to which they are entitled as beneficial owners of the Preferred
Shares represented by such depository receipts. In lieu of fractional Preferred
Shares that are not integral multiples of one one-hundredth of a Preferred
Share, the Company shall pay to the registered holders of Right Certificates at
the time such Rights are exercised as herein provided an amount in cash equal to
the same fraction of the current market value of one Preferred Share. For the
purposes of this Section 14(b), the current market value of a Preferred Share
shall be the closing price of a Preferred Share (as determined pursuant to the
second sentence of Section 11(d)(i) hereof) for the Trading Day immediately
prior to the date of such exercise.

                  (c) The holder of a Right by the acceptance of the Right
expressly waives such holder's right to receive any fractional Rights or any
fractional shares upon exercise of a Right (except as provided above).

                  (d) Notwithstanding anything in this Agreement to the
contrary, neither the Company nor the Rights Agent shall 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, judgment or ruling (whether
interlocutory or final) 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 must use its best efforts to have any such
order, decree, judgment or ruling lifted or otherwise overturned as soon as
possible.

                  Section 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 hereof, are vested in the respective registered holders of the
Right Certificates (and, prior to the Distribution Date, the registered holders
of the Common Shares of the Company); and any registered holder of any Right
Certificate (or, prior to the Distribution Date, of the Common Shares of the
Company), without the consent of the Rights Agent or of the holder of any other
Right Certificate (or, prior to the Distribution Date, of the Common Shares of
the Company), may, in such holder's own behalf and for such holder's own
benefit, enforce, and may institute and maintain any suit, action or proceeding
against the Company to enforce, or otherwise act in respect of, such holder's
right to exercise the Rights evidenced by such Right Certificate in the manner
provided in such Right

                                      -17-
<PAGE>   21

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

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

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

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

                  (c) the Company and the Rights Agent may deem and treat the
Person in whose name the Right Certificate (or, prior to the Distribution Date,
the associated Common Shares certificate) is registered as the absolute owner
thereof and of the Rights evidenced thereby (notwithstanding any notations of
ownership or writing on the Right Certificates or the associated Common Shares
certificate made by anyone other than the Company or the Rights Agent) for all
purposes whatsoever, and neither the Company nor the Rights Agent shall be
affected by any notice to the contrary.

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

                  Section 18. Concerning the Rights Agent. The Company agrees to
pay to the Rights Agent reasonable compensation for all services rendered by it
hereunder and, from time to time, on demand of the Rights Agent, its reasonable
expenses and counsel fees and other disbursements incurred by the Rights Agent
in the preparation, delivery, amendment, administration and execution of this
Agreement and the exercise and performance of its duties hereunder. The Company
also agrees to indemnify the Rights Agent for, and to hold it harmless against,
any loss, liability, obligation, damage, judgment, fine, penalty, claim, demand,
settlement, cost or expense (including reasonable attorneys' fees and other
professional services) (collectively, "Losses"), incurred without gross
negligence, bad faith or willful misconduct on

                                      -18-
<PAGE>   22

the part of the Rights Agent, for any action taken, suffered or omitted by the
Rights Agent in connection with the acceptance and administration of this
Agreement, including, without limitation, the costs and expenses of defending
against any claim of liability in the premises.

                  The Rights Agent shall be authorized and protected and shall
incur no liability and shall be indemnified for and held harmless against any
and all Losses for, or in respect of, any action taken, suffered or omitted by
it in connection with, the acceptance and administration of this Agreement (i)
in reliance upon any Right Certificate or certificate for the Preferred Shares
or Common Shares or for other securities of the Company, instrument of
assignment or transfer, power of attorney, endorsement, affidavit, letter,
notice, direction, consent, certificate, statement, or other paper or document
believed by it to be genuine and to be signed, executed and, where necessary,
verified or acknowledged, by the proper person or persons or (ii) otherwise upon
the advice of counsel as set forth in Section 20 hereof. The Rights Agent shall
be fully protected in relying on any such item and shall have no duty with
respect to and shall not be deemed to have any knowledge unless and until it
shall have received any such item. Anything in this Agreement to the contrary
notwithstanding, in no event shall the Rights Agent be liable for special,
indirect or consequential loss or damage of any kind whatsoever (including but
not limited to lost profits), even if the Rights Agent has been advised of the
likelihood of such loss or damage and regardless of the form of action.

                  Section 19. Merger or Consolidation or Change of Name of
Rights Agent. Any corporation or other Person into which the Rights Agent or any
successor Rights Agent may be merged or with which it may be consolidated, or
any corporation or other Person resulting from any merger or consolidation to
which the Rights Agent or any successor Rights Agent shall be a party, or any
corporation or other Person succeeding to the shareholder services business of
the Rights Agent or any successor Rights Agent, shall 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 or other Person would be eligible for appointment as a successor
Rights Agent under the provisions of Section 21 hereof. In case at the time such
successor Rights Agent shall succeed to the agency created by this Agreement,
any of the Right Certificates shall have been countersigned but not delivered,
any such successor Rights Agent may adopt the countersignature of the
predecessor Rights Agent and deliver such Right Certificates so countersigned;
and in case at that time any of the Right Certificates shall not have been
countersigned, any successor Rights Agent may countersign such Right
Certificates either in the name of the predecessor Rights Agent or in the name
of the successor Rights Agent; and in all such cases such Right Certificates
shall have the full force provided in the Right Certificates and in this
Agreement.

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

                                      -19-
<PAGE>   23

                  Section 20. Duties of Rights Agent. The Rights Agent
undertakes the duties and obligations, and only the duties and obligations,
expressly imposed by this Agreement (no duties or obligations being implied
hereunder) upon the following terms and conditions, by all of which the Company
and the holders of Right Certificates, by their acceptance thereof, shall be
bound:

                  (a) The Rights Agent may consult with legal counsel (who may
be legal counsel for the Company), and the advice or opinion of such counsel
shall be full and complete authorization and protection to the Rights Agent and
the Rights Agent shall incur no liability for or in respect of any action taken,
suffered or omitted by it in good faith and in accordance with or in reliance on
such advice or opinion.

                  (b) Whenever in the performance of its duties under this
Agreement the Rights Agent shall deem it necessary or desirable that any fact or
matter be proved or established by the Company prior to taking, suffering or
omitting any action hereunder, such fact or matter (unless other evidence in
respect thereof be herein specifically prescribed) may be deemed to be
conclusively proved and established by a certificate in form reasonably
satisfactory to the Rights Agent signed by any one of the Chairman of the Board,
the Chief Executive Officer, the President, any Vice President, the Treasurer or
the Secretary of the Company and delivered to the Rights Agent; and such
certificate shall be full authorization and protection to the Rights Agent, and
the Rights Agent shall incur no liability for or in respect of, any action
taken, suffered or omitted to be taken in good faith by it under the provisions
of this Agreement in reliance upon such certificate.

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

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

                  (e) The Rights Agent shall not be under any liability or
responsibility in respect of the validity of this Agreement or the execution and
delivery hereof (except the due execution hereof by the Rights Agent) or in
respect of the validity or execution of any Right Certificate (except its
countersignature thereof); nor shall it be responsible for any breach by the
Company of any covenant or condition contained in this Agreement or in any Right
Certificate; nor shall it be responsible for any change in the exercisability of
the Rights (including the Rights becoming null and void pursuant to Section
11(a)(ii) hereof) or any adjustment in the terms of the Rights (including the
manner, method or amount thereof) provided for in this Agreement, or the
ascertaining of the existence of facts that would require any such change or
adjustment (except with respect to the exercise of Rights evidenced by Right
Certificates after actual notice that such change or adjustment is required);
nor shall it be responsible for any determination of the market value of the
Rights or any Common Shares of the Company pursuant to the provisions hereof;
nor shall it by any act hereunder be deemed to make any representation or

                                      -20-
<PAGE>   24

warranty as to the authorization or reservation of any Preferred Shares to be
issued pursuant to this Agreement or any Right Certificate or as to whether any
Preferred Shares will, when issued, be validly authorized and issued, fully paid
and nonassessable.

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

                  (g) The Rights Agent is hereby authorized and directed to
accept instructions with respect to the performance of its duties hereunder from
any one of the Chairman of the Board, the Chief Executive Officer, 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 such instructions shall be full authorization and protection to the
Rights agent and the Rights Agent shall incur no liability for or in respect of
any action taken, or suffered or omitted by it in good faith in accordance with
instructions of any such officer or for any delay in acting while waiting for
those instructions. The Rights Agent may conclusively rely on the most recent
instructions given by any such officer.

                  (h) The Rights Agent and any stockholder, affiliate, 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 shall preclude the Rights
Agent from acting in any other capacity for the Company or for any other Person
or legal entity.

                  (i) The Rights Agent may execute and exercise any of the
rights or powers hereby vested in it or perform any duty hereunder either itself
or by or through its attorneys or agents, and the Rights Agent shall not be
answerable or accountable for any act, default, neglect or misconduct of any
such attorneys or agents or for any loss to the Company or any other Person
resulting from any such act, default, neglect or misconduct, absent gross
negligence, bad faith or willful misconduct in the selection and continued
employment thereof.

                  (j) No provision of this Agreement shall require the Rights
Agent to expend or risk its own funds or otherwise incur any financial liability
in the performance of any of its duties hereunder or in the exercise of its
rights if it believes that repayment of such funds or adequate indemnification
against such risk or liability is not reasonably assured to it.

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

                                      -21-
<PAGE>   25

Certificates by first-class mail. If the Rights Agent shall resign or be removed
or shall otherwise become incapable of acting, the Company shall appoint a
successor to the Rights Agent. If the Company shall fail to make such
appointment within a period of thirty (30) days after giving notice of such
removal or after it has been notified in writing of such resignation or
incapacity by the resigning or incapacitated Rights Agent or by the holder of a
Right Certificate (who shall, with such notice, submit such holder's Right
Certificate for inspection by the Company), then the registered holder of any
Right Certificate may apply to any court of competent jurisdiction for the
appointment of a new Rights Agent. Any successor Rights Agent, whether appointed
by the Company or by such a court, shall be (i) a Person organized and doing
business under the laws of the United States or of any state of the United
States so long as such Person is authorized to do business under such laws, in
good standing, which is subject to supervision or examination by federal or
state authorities and which has at the time of its appointment as Rights Agent a
combined capital and surplus of at least $50 million or (ii) an affiliate of an
institution that satisfies the requirements set forth in clause (i) of this
sentence. After appointment, the successor Rights Agent shall be vested with the
same powers, rights, duties and responsibilities as if it had been originally
named as Rights Agent without further act or deed; but the predecessor Rights
Agent shall deliver and transfer to the successor Rights Agent any property at
the time held by it hereunder, and execute and deliver any further assurance,
conveyance, act or deed necessary for the purpose. Not later than the effective
date of any such appointment the Company shall file notice thereof in writing
with the predecessor Rights Agent and each transfer agent of the Common Shares
of the Company or Preferred Shares, and mail a notice thereof in writing to the
registered holders of the Right Certificates. Failure to appoint a successor
Rights Agent or to give any notice provided for in this Section 21, however, or
any defect therein, shall not affect the legality or validity of the resignation
or removal of the Rights Agent or the appointment of the successor Rights Agent,
as the case may be.

                  Section 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 Board of Directors to
reflect any adjustment or change in the Purchase Price and the number or kind or
class of shares or other securities or property purchasable under the Right
Certificates made in accordance with the provisions of this Agreement.

                  Section 23. Redemption.

                  (a) The Board of Directors of the Company may, at its option,
at any time prior to such time as any Person becomes an Acquiring Person, redeem
all but not less than all the then outstanding Rights at a redemption price of
$.01 per Right, appropriately adjusted to reflect any stock split, stock
dividend or similar transaction occurring after the date hereof (such redemption
price being hereinafter referred to as the "Redemption Price"). The redemption
of the Rights by the Board of Directors may be made effective at such time, on
such basis and with such conditions as the Board of Directors in its sole
discretion may establish.

                  (b) Immediately upon the action of the Board of Directors of
the Company ordering the redemption of the Rights pursuant to paragraph (a) of
this Section 23, and without

                                      -22-
<PAGE>   26

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 shall be to
receive the Redemption Price. The Company shall promptly give public notice of
any such redemption and a copy of such notice shall be provided to the Rights
Agent; provided, however, that the failure to give, or any defect in, any such
notice shall not affect the validity of such redemption. Within ten (10) days
after such action of the Board of Directors ordering the redemption of the
Rights, the Company shall mail a notice of redemption to all the holders of the
then outstanding Rights at their last addresses as they appear upon the registry
books of the Rights Agent or, prior to the Distribution Date, on the registry
books of the transfer agent for the Common Shares of the Company. Any notice
which is mailed in the manner herein provided shall be deemed given, whether or
not the holder receives the notice. Each such notice of redemption will state
the method by which the payment of the Redemption Price will be made. Neither
the Company nor any of its Affiliates or Associates may redeem, acquire or
purchase for value any Rights at any time in any manner other than that
specifically set forth in this Section 23 or in Section 24 hereof, and other
than in connection with the purchase of Common Shares of the Company prior to
the Distribution Date.

                  Section 24. Exchange.

                  (a) The Board of Directors of the Company may, at its option,
at any time after any Person becomes an Acquiring Person, exchange all or part
of the then outstanding and exercisable Rights (which shall not include Rights
that have become null and void pursuant to the provisions of Section 11(a)(ii)
hereof) for Common Shares of the Company 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 date hereof (such exchange
ratio being hereinafter referred to as the "Exchange Ratio"). Notwithstanding
the foregoing, the Company's Board of Directors shall not be empowered to effect
such exchange at any time after any Person (other than the Company, any
Subsidiary of the Company, any employee benefit plan of the Company or any such
Subsidiary, or any entity holding Common Shares of the Company for or pursuant
to the terms of any such plan, The Crane Fund or The Crane Fund for Widows and
Children), together with all Affiliates and Associates of such Person, becomes
the Beneficial Owner of 50% or more of the Common Shares of the Company then
outstanding.

                  (b) Immediately upon the action of the Board of Directors of
the Company ordering the exchange of any Rights pursuant to paragraph (a) of
this Section 24 and without any further action and without any notice, the right
to exercise such Rights shall terminate and the only right thereafter of holders
of such Rights shall be to receive that number of Common Shares of the Company
equal to the number of such Rights held by such holder multiplied by the
Exchange Ratio. The Company shall promptly give public notice of any such
exchange and shall provide a copy of such public notice to the Rights Agent;
provided, however, that the failure to give, or any defect in, such notice shall
not affect the validity of such exchange. The Company promptly shall mail a
notice of any such exchange to all of the holders of such Rights at their last
addresses as they appear upon the registry books of the Rights Agent. Any notice
which is mailed in the manner herein provided shall be deemed given, whether or
not the holder receives the notice. Each such notice of exchange will state the
method by which the exchange of the Common Shares of the Company for Rights will
be effected and, in the event of any partial

                                      -23-
<PAGE>   27

exchange, the number of Rights which will be exchanged. Any partial exchange
shall be effected pro rata based on the number of Rights (other than Rights
which have become void pursuant to the provisions of Section 11(a)(ii) hereof)
held by each holder of Rights.

                  (c) In the event that there shall not be sufficient Common
Shares of the Company issued but not outstanding or authorized but unissued to
permit any exchange of Rights as contemplated in accordance with this Section
24, the Company shall take all such action as may be necessary to authorize
additional Common Shares of the Company for issuance upon exchange of the
Rights. In the event the Company shall, after good faith effort, be unable to
take all such action as may be necessary to authorize such additional Common
Shares of the Company, the Company shall substitute, for each Common Share of
the Company that would otherwise be issuable upon exchange of a Right, a number
of Preferred Shares or fraction thereof such that the current per share market
price of one Preferred Share multiplied by such number or fraction is equal to
the current per share market price of one Common Share of the Company as of the
date of issuance of such Preferred Shares or fraction thereof.

                  (d) The Company shall not be required to issue fractions of
Common Shares of the Company or to distribute certificates which evidence
fractional Common Shares of the Company. In lieu of such fractional Common
Shares, the Company shall pay to the registered holders of the Right
Certificates with regard to which such fractional Common Shares of the Company
would otherwise be issuable an amount in cash equal to the same fraction of the
current market value of a whole Common Share of the Company. For the purposes of
this paragraph (d), the current market value of a whole Common Share shall be
the closing price of a Common Share of the Company (as determined pursuant to
the second sentence of Section 11(d)(i) hereof) for the Trading Day immediately
prior to the date of exchange pursuant to this Section 24.

                  Section 25. Notice of Certain Events.

                  (a) In case the Company shall propose (i) to pay any dividend
payable in stock of any class to the holders of its Preferred Shares or to make
any other distribution to the holders of its Preferred Shares (other than a
regular quarterly cash dividend), (ii) to offer to the holders of its Preferred
Shares rights 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 50% or more
of the assets or earning power of the Company and its Subsidiaries (taken as a
whole) to, any other Person, (v) to effect the liquidation, dissolution or
winding up of the Company, or (vi) to declare or pay any dividend on the Common
Shares of the Company payable in Common Shares of the Company or to effect a
subdivision, combination or consolidation of the Common Shares of the Company
(by reclassification or otherwise than by payment of dividends in Common Shares
of the Company), then, in each such case, the Company shall give to the Rights
Agent and to each holder of a Right Certificate, in accordance with Section 26
hereof, a notice of such proposed action, which shall

                                      -24-
<PAGE>   28

specify the record date for the purposes of such stock dividend, or distribution
of rights or warrants, or the date on which such reclassification,
consolidation, merger, sale, transfer, liquidation, dissolution, or winding up
is to take place and the date of participation therein by the holders of the
Common Shares of the Company and/or Preferred Shares, if any such date is to be
fixed, and such notice shall be so given in the case of any action covered by
clause (i) or (ii) above at least ten (10) 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 ten (10) 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 of the Company and/or Preferred Shares, whichever
shall be the earlier.

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

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

                           Huttig Building Products, Inc.
                           14500 South Outer Forty Road, Suite 400
                           Chesterfield, MO 63017
                           Attention: President

                           With a copy to:

                           Kirkpatrick & Lockhart LLP
                           Henry W. Oliver Building
                           535 Smithfield Street
                           Pittsburgh, PA 15222
                           Attention: Janice C. Hartman, Esq.

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 shall be sufficiently given or made
if sent by first-class mail, postage prepaid, addressed (until another address
is filed in writing with the Company) as follows:

                           ChaseMellon Shareholder Services, L.L.C.
                           450 West 33rd Street
                           New York, NY 10001

                                      -25-
<PAGE>   29

Notices or demands authorized by this Agreement to be given or made by the
Company or the Rights Agent to the holder of any Right Certificate shall be
sufficiently given or made if sent by first-class mail, postage prepaid,
addressed to such holder at the address of such holder as shown on the registry
books of the Company.

                  Section 27. Supplements and Amendments. The Company may from
time to time and the Rights Agent shall, if the Company so directs, supplement
or amend this Agreement without the approval of any holders of Right
Certificates in order to cure any ambiguity, to correct or supplement any
provision contained herein which may be defective or inconsistent with any other
provisions herein, or to make any other provisions with respect to the Rights
which the Company may deem necessary or desirable, any such supplement or
amendment to be evidenced by a writing signed by the Company and the Rights
Agent; provided, however, that from and after such time as any Person becomes an
Acquiring Person, this Agreement shall not be amended in any manner which would
adversely affect the interests of the holders of Rights (other than any
Acquiring Person and its Affiliates and Associates). Without limiting the
foregoing, the Company may at any time prior to such time as any Person becomes
an Acquiring Person amend this Agreement to (a) lower the thresholds set forth
in Sections l(a) and 3(a) hereof from 20% to not less than the greater of (i)
any percentage greater than the largest percentage of the outstanding Common
Shares of the Company then known by the Company to be beneficially owned by any
Person (other than the Company, any Subsidiary of the Company, any employee
benefit plan of the Company or any Subsidiary of the Company, any entity holding
Common Shares of the Company for or pursuant to the terms of any such plan or
any Person who is not deemed an Acquiring Person) and (ii) 10%, (b) fix a Final
Expiration Date later than the date set forth in Section 7 hereof, (c) reduce
the Redemption Price or (d) increase the Purchase Price. Upon the delivery of a
certificate from an appropriate officer of the Company which states that the
proposed supplement or amendment is in compliance with the terms of this Section
27, and, if requested by the Rights Agent, an opinion of counsel, the Rights
Agent shall execute such supplement or amendment.

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

                  Section 29. Benefits of this Agreement. Nothing in this
Agreement shall 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 of the Company) any legal or equitable
right, remedy or claim under this Agreement; but this Agreement shall be for the
sole and exclusive benefit of the Company, the Rights Agent and the registered
holders of the Right Certificates (and, prior to the Distribution Date, the
Common Shares of the Company).

                  Section 30. 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

                                      -26-
<PAGE>   30

Agreement shall remain in full force and effect and shall in no way be affected,
impaired or invalidated.

                  Section 31. Governing Law. This Agreement and each Right
Certificate issued hereunder shall be deemed to be a contract made under the
laws of the State of Delaware and for all purposes shall be governed by and
construed in accordance with the laws of such State applicable to contracts to
be made and performed entirely within such State; except that all provisions
regarding the rights, duties and obligations of the Rights Agent shall be
governed by and construed in accordance with the laws of the state of New York
applicable to contracts made and to be performed entirely within such state.

                  Section 32. Counterparts. This Agreement may be executed in
any number of counterparts and each of such counterparts shall for all purposes
be deemed to be an original, and all such counterparts shall together constitute
but one and the same instrument.

                  Section 33. Descriptive Headings. Descriptive headings of the
several Sections of this Agreement are inserted for convenience only and shall
not control or affect the meaning or construction of any of the provisions
hereof.

                  Section 34. Administration. The Board of Directors of the
Company shall have the exclusive power and authority to administer and interpret
the provisions of this Agreement and to exercise all rights and powers
specifically granted to the Board of Directors of the Company or to the Company
or as may be necessary or advisable in the administration of this Agreement. All
such actions, calculations, determinations and interpretations which are done or
made by the Board of Directors of the Company in good faith shall be final,
conclusive and binding on the Company, the Rights Agent, the holders of the
Rights and all other Persons and shall not subject the Board of Directors of the
Company to any liability to the holders of the Rights.

                                      -27-
<PAGE>   31

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

                                    HUTTIG BUILDING PRODUCTS, INC.

Attest:

By: Gregory Lambert                 By: Barry J. Kulpa
   -------------------------           -----------------------------------------
Title: Secretary                    Title: President and Chief Executive Officer

                                    CHASEMELLON SHAREHOLDERS SERVICES, L.L.C.

Attest:

By: Ruth Brunette                   By: Jane A. Marten
   -------------------------           -----------------------------------------
Title: Account Administrator        Title: Assistant Vice President

                                      -28-
<PAGE>   32

                                                                       Exhibit A

                                      FORM
                                       of
                           CERTIFICATE OF DESIGNATIONS
                                       of
                  SERIES A JUNIOR PARTICIPATING PREFERRED STOCK
                                       of
                         HUTTIG BUILDING PRODUCTS, INC.

                         (Pursuant to Section 151 of the
                        Delaware General Corporation Law)
                        ---------------------------------

                  Huttig Building Products, Inc., a corporation organized and
existing under the General Corporation Law of the State of Delaware (hereinafter
called the "Corporation"), hereby certifies that the following resolution was
adopted by the Board of Directors of the Corporation as required by Section 151
of the General Corporation Law at a meeting duly called and held on December 6,
1999:

                  RESOLVED, that pursuant to the authority granted to and vested
in the Board of Directors of this Corporation in accordance with the provisions
of the Restated Certificate of Incorporation of the Corporation, the Board of
Directors hereby creates a series of Preferred Stock, par value $.01 per share
(the "Preferred Stock"), of the Corporation and hereby states the designation
and number of shares, and fixes the relative rights, preferences, and
limitations thereof as follows:

                  Series A Junior Participating Preferred Stock:

                  Section 1. Designation and Amount. The shares of this series
shall be designated as "Series A Junior Participating Preferred Stock" (the
"Series A Preferred Stock") and the number of shares constituting the Series A
Preferred Stock shall be 250,000. Such number of shares may be increased or
decreased by resolution of the Board of Directors; provided, that no decrease
shall reduce the number of shares of Series A Preferred Stock to a number less
than the number of shares then outstanding plus the number of shares reserved
for issuance upon the exercise of outstanding options, rights or warrants or
upon the conversion of any outstanding securities issued by the Corporation
convertible into Series A Preferred Stock.

                  Section 2. Dividends and Distributions.

                  (A) Subject to the rights of the holders of any shares of any
         series of Preferred Stock (or any other stock) ranking prior and
         superior to the Series A Preferred Stock with respect to dividends, the
         holders of shares of Series A Preferred Stock, in preference to the
         holders of Common Stock, par value $.01 per share (the "Common Stock"),
         of the Corporation, and of any other junior stock, shall be entitled to
         receive,

<PAGE>   33

         when, as and if declared by the Board of Directors out of funds legally
         available for the purpose, quarterly dividends payable in cash on the
         first day of March, June, September and December in each year (each
         such date being referred to herein as a "Quarterly Dividend Payment
         Date"), commencing on the first Quarterly Dividend Payment Date after
         the first issuance of a share or fraction of a share of Series A
         Preferred Stock, in an amount per share (rounded to the nearest cent)
         equal to the greater of (a) $1 or (b) 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 shares of Common Stock
         or a subdivision of the outstanding shares of Common Stock (by
         reclassification or otherwise), declared on the Common Stock since the
         immediately preceding Quarterly Dividend Payment Date or, with respect
         to the first Quarterly Dividend Payment Date, since the first issuance
         of any share or fraction of a share of Series A Preferred Stock. In the
         event the Corporation shall at any time declare or pay any dividend on
         the Common Stock payable in shares of Common Stock, or effect a
         subdivision or combination or consolidation of the outstanding shares
         of Common Stock (by reclassification or otherwise than by payment of a
         dividend in shares of Common Stock) into a greater or lesser number of
         shares of Common Stock, then in each such case the amount to which
         holders of shares of Series A Preferred Stock were entitled immediately
         prior to such event under clause (b) of the preceding sentence shall be
         adjusted by multiplying such amount by a fraction, the numerator of
         which is the number of shares of Common Stock outstanding immediately
         after such event and the denominator of which is the number of shares
         of Common Stock that were outstanding immediately prior to such event.

                  (B) The Corporation shall declare a dividend or distribution
         on the Series A Preferred Stock as provided in paragraph (A) of this
         Section immediately after it declares a dividend or distribution on the
         Common Stock (other than a dividend payable in shares of Common Stock);
         provided that, in the event no dividend or distribution shall have been
         declared on the Common Stock during the period between any Quarterly
         Dividend Payment Date and the next subsequent Quarterly Dividend
         Payment Date, a dividend of $1 per share on the Series A Preferred
         Stock shall nevertheless be payable on such subsequent Quarterly
         Dividend Payment Date.

                  (C) Dividends shall begin to accrue and be cumulative on
         outstanding shares of Series A Preferred Stock from the Quarterly
         Dividend Payment Date next preceding the date of issue of such shares,
         unless the date of issue of such shares is 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 unless the date of issue is a Quarterly Dividend Payment
         Date or is a date after the record date for the determination of
         holders of shares of Series A Preferred Stock 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. Dividends paid on the shares
         of Series A Preferred Stock in an amount less than the

                                      A-2
<PAGE>   34

         total amount of such dividends at the time accrued and payable on such
         shares shall be allocated pro rata on a share-by-share basis among all
         such shares at the time outstanding. The Board of Directors may fix a
         record date for the determination of holders of shares of Series A
         Preferred Stock entitled to receive payment of a dividend or
         distribution declared thereon, which record date shall be not more than
         60 days prior to the date fixed for the payment thereof.

                  Section 3. Voting Rights. The holders of shares of Series A
Preferred Stock shall have the following voting rights:

                  (A) Subject to the provision for adjustment hereinafter set
         forth, each share of Series A Preferred Stock shall entitle the holder
         thereof to 100 votes on all matters submitted to a vote of the
         stockholders of the Corporation. In the event the Corporation shall at
         any time declare or pay any dividend on the Common Stock payable in
         shares of Common Stock, or effect a subdivision or combination or
         consolidation of the outstanding shares of Common Stock (by
         reclassification or otherwise than by payment of a dividend in shares
         of Common Stock) into a greater or lesser number of shares of Common
         Stock, then in each such case the number of votes per share to which
         holders of shares of Series A Preferred Stock were entitled immediately
         prior to such event shall be adjusted by multiplying such number by a
         fraction, the numerator of which is the number of shares of Common
         Stock outstanding immediately after such event and the denominator of
         which is the number of shares of Common Stock that were outstanding
         immediately prior to such event.

                  (B) Except as otherwise provided herein, in any other
         Certificate of Designations creating a series of Preferred Stock or any
         similar stock, in the Restated Certificate of Incorporation of the
         Corporation or by law, the holders of shares of Series A Preferred
         Stock and the holders of shares of Common Stock and any other capital
         stock of the Corporation having general voting rights shall vote
         together as one class on all matters submitted to a vote of
         stockholders of the Corporation.

                  (C) Except as set forth herein, or as otherwise provided by
         law, holders of Series A Preferred Stock shall have no special voting
         rights and their consent shall not be required (except to the extent
         they are entitled to vote with holders of Common Stock as set forth
         herein) for taking any corporate action.

                  Section 4. Certain Restrictions.

                  (A) Whenever quarterly dividends or other dividends or
         distributions payable on the Series A Preferred Stock as provided in
         Section 2 are in arrears, thereafter and until all accrued and unpaid
         dividends and distributions, whether or not declared, on shares of
         Series A Preferred Stock outstanding shall have been paid in full, the
         Corporation shall not:

                                      A-3
<PAGE>   35

                           (i) declare or pay dividends, or make any other
                  distributions, on any shares of stock ranking junior (either
                  as to dividends or upon liquidation, dissolution or winding
                  up) to the Series A Preferred Stock;

                           (ii) declare or pay dividends, or make any other
                  distributions, on any shares of stock ranking on a parity
                  (either as to dividends or upon liquidation, dissolution or
                  winding up) with the Series A Preferred Stock, except
                  dividends paid ratably on the Series A Preferred Stock and all
                  such parity stock on which dividends are payable or in arrears
                  in proportion to the total amounts to which the holders of all
                  such shares are then entitled;

                           (iii) redeem or purchase or otherwise acquire for
                  consideration shares of any stock ranking junior (either as to
                  dividends or upon liquidation, dissolution or winding up) to
                  the Series A Preferred Stock, provided that the Corporation
                  may at any time redeem, purchase or otherwise acquire shares
                  of any such junior stock in exchange for shares of any stock
                  of the Corporation ranking junior (as to dividends and upon
                  dissolution, liquidation or winding up) to the Series A
                  Preferred Stock; or

                           (iv) redeem or purchase or otherwise acquire for
                  consideration any shares of Series A Preferred Stock, or any
                  shares of stock ranking on a parity with the Series A
                  Preferred Stock, except in accordance with a purchase offer
                  made in writing or by publication (as determined by the Board
                  of Directors) to all holders of such shares upon such terms as
                  the Board of Directors, after consideration of the respective
                  annual dividend rates and other relative rights and
                  preferences of the respective series and classes, shall
                  determine in good faith will result in fair and equitable
                  treatment among the respective series or classes.

                  (B) The Corporation shall not permit any subsidiary of the
         Corporation to purchase or otherwise acquire for consideration any
         shares of stock of the Corporation unless the Corporation could, under
         paragraph (A) of this Section 4, purchase or otherwise acquire such
         shares at such time and in such manner.

                  Section 5. Reacquired Shares. Any shares of Series A Preferred
Stock purchased or otherwise acquired by the Corporation in any manner
whatsoever shall be retired and canceled promptly after the acquisition thereof.
All such shares shall upon their cancellation become authorized but unissued
shares of Preferred Stock and may be reissued as part of a new series of
Preferred Stock subject to the conditions and restrictions on issuance set forth
herein, in the Restated Certificate of Incorporation, or in any other
Certificate of Designations creating a series of Preferred Stock or any similar
stock or as otherwise required by law.

                  Section 6. Liquidation, Dissolution or Winding Up. Upon any
liquidation, dissolution or winding up of the Corporation, no distribution shall
be made (1) to the holders of shares of stock ranking junior (upon liquidation,
dissolution or winding up) to the Series A Preferred Stock unless, prior
thereto, the holders of shares of Series A Preferred Stock shall have received
$100 per share, plus an amount equal to accrued and unpaid dividends and
distributions

                                      A-4
<PAGE>   36

thereon, whether or not declared, to the date of such payment, provided that the
holders of shares of Series A Preferred Stock shall be entitled to receive an
aggregate amount per share, subject to the provision for adjustment hereinafter
set forth, equal to 100 times the aggregate amount to be distributed per share
to holders of shares of Common Stock, or (2) to the holders of shares of stock
ranking on a parity (upon liquidation, dissolution or winding up) with the
Series A Preferred Stock, except distributions made ratably on the Series A
Preferred Stock and all such parity stock in proportion to the total amounts to
which the holders of all such shares are entitled upon such liquidation,
dissolution or winding up. In the event the Corporation shall at any time
declare or pay any dividend on the Common Stock payable in shares of Common
Stock, or effect a subdivision or combination or consolidation of the
outstanding shares of Common Stock (by reclassification or otherwise than by
payment of a dividend in shares of Common Stock) into a greater or lesser number
of shares of Common Stock, then in each such case the aggregate amount to which
holders of shares of Series A Preferred Stock were entitled immediately prior to
such event under the proviso in clause (1) of the preceding sentence shall be
adjusted by multiplying such amount by a fraction the numerator of which is the
number of shares of Common Stock outstanding immediately after such event and
the denominator of which is the number of shares of Common Stock that were
outstanding immediately prior to such event.

                  Section 7. Consolidation, Merger, etc. In case the Corporation
shall enter into any consolidation, merger, combination or other transaction in
which the shares of Common Stock are exchanged for or changed into other stock
or securities, cash and/or any other property, then in any such case each share
of Series A Preferred Stock shall at the same time be similarly exchanged or
changed into an amount per share, subject to the provision for adjustment
hereinafter set forth, equal to 100 times the aggregate amount of stock,
securities, cash and/or any other property (payable in kind), as the case may
be, into which or for which each share of Common Stock is changed or exchanged.
In the event the Corporation shall at any time declare or pay any dividend on
the Common Stock payable in shares of Common Stock, or effect a subdivision or
combination or consolidation of the outstanding shares of Common Stock (by
reclassification or otherwise than by payment of a dividend in shares of Common
Stock) into a greater or lesser number of shares of Common Stock, then in each
such case the amount set forth in the preceding sentence with respect to the
exchange or change of shares of Series A Preferred Stock shall be adjusted by
multiplying such amount by a fraction, the numerator of which is the number of
shares of Common Stock outstanding immediately after such event and the
denominator of which is the number of shares of Common Stock that were
outstanding immediately prior to such event.

                  Section 8. No Redemption. The shares of Series A Preferred
Stock shall not be redeemable.

                  Section 9. Rank. The Series A Preferred Stock shall rank, with
respect to the payment of dividends and the distribution of assets, junior to
all series of any other class of Preferred Stock.

                  Section 10. Amendment. The Restated Certificate of
Incorporation of the Corporation shall not be amended in any manner which would
materially alter or change the

                                      A-5
<PAGE>   37

powers, preferences or special rights of the Series A Preferred Stock so as to
affect them adversely without the affirmative vote of the holders of at least
two-thirds of the outstanding shares of Series A Preferred Stock, voting
together as a single class.

                  IN WITNESS WHEREOF, Huttig Building Products, Inc. has caused
this Certificate of Designations of Series A Junior Participating Preferred
Stock to be duly executed by its President and Chief Executive Officer this ____
day of December, 1999.

                                           Huttig Building Products, Inc.

                                           -------------------------------------
                                           Barry J. Kulpa
                                           President and Chief Executive Officer

                                      A-6
<PAGE>   38

                                                                       Exhibit B

                            Form of Right Certificate

Certificate No. R-                                           ____________ Rights

         NOT EXERCISABLE AFTER _______________ OR EARLIER IF REDEMPTION OR
         EXCHANGE OCCURS. THE RIGHTS ARE SUBJECT TO REDEMPTION AT $.01 PER RIGHT
         AND TO EXCHANGE ON THE TERMS SET FORTH IN THE RIGHTS AGREEMENT. UNDER
         CERTAIN CIRCUMSTANCES, AS SET FORTH IN THE RIGHTS AGREEMENT, RIGHTS
         OWNED BY ANY PERSON WHO IS OR BECOMES AN ACQUIRING PERSON (AS DEFINED
         IN THE RIGHTS AGREEMENT) SHALL BECOME NULL AND VOID.

                                Right Certificate

                         HUTTIG BUILDING PRODUCTS, INC.

                  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 ___________, 1999 (the "Rights
Agreement"), between Huttig Building Products, Inc., a Delaware corporation (the
"Company"), and ChaseMellon Shareholder Services, L.L.C. (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 _______________ at the principal office of the Rights Agent, or at the office
of its successor as Rights Agent, one one-hundredth of a fully paid
non-assessable share of Series A Junior Participating Preferred Stock, par value
$.01 per share (the "Preferred Shares"), of the Company, at a purchase price of
$____ 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 duly executed. 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 hereof) set forth above, and the Purchase Price set
forth above, are the number and Purchase Price as of ___________, 1999, based on
the Preferred Shares as constituted at such date. As provided in the Rights
Agreement, the Purchase Price and the number of one one-hundredths of a
Preferred Share which may be purchased upon the exercise of the Rights evidenced
by this Right Certificate are subject to modification and adjustment upon the
happening of certain events.

<PAGE>   39

                  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 hereunder
of the Rights Agent, the Company and the holders of the Right Certificates.
Copies of the Rights Agreement are on file at the principal executive offices of
the Company and the above-mentioned offices of the Rights Agent.

                  This Right Certificate, with or without other Right
Certificates, upon surrender at the principal office of the Rights Agent, may be
exchanged for another Right Certificate or Right Certificates of like tenor and
date evidencing Rights entitling the holder to purchase a like aggregate number
of Preferred Shares as the Rights evidenced by the Right Certificate or Right
Certificates surrendered shall have entitled such holder to purchase. If this
Right Certificate shall be exercised in part, the holder shall be entitled to
receive upon surrender hereof another Right Certificate or Right Certificates
for the number of whole Rights not exercised.

                  Subject to the provisions of the Rights Agreement, the Rights
evidenced by this Certificate (i) may be redeemed by the Company at a redemption
price of $.01 per Right or (ii) may be exchanged in whole or in part for
Preferred Shares or shares of the Company's Common Stock, par value $.01 per
share.

                  No fractional Preferred Shares will be issued upon the
exercise of any Right or Rights evidenced hereby (other than fractions which are
integral multiples of one one-hundredth of a Preferred Share, which may, at the
election of the Company, be evidenced by depository receipts), but in lieu
thereof a cash payment will be made, as provided in the Rights Agreement.

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

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

                                      B-2
<PAGE>   40

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

                  Dated as of _______________, ____.

ATTEST:                                           HUTTIG BUILDING PRODUCTS, INC.

                                                  By
----------------------------------------            ----------------------------

Countersigned:

ChaseMellon Shareholder Services, L.L.C.

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

                                      B-3
<PAGE>   41

                    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:

                  Signatures must be guaranteed by an eligible institution (a
bank, stockbroker, savings and loan association or credit union with membership
in an approved signature guarantee medallion program) pursuant to Rule 17Ad-15
of the Securities Exchange Act of 1934.

                  The undersigned hereby certifies that the Rights evidenced by
this Right Certificate are not beneficially owned by an Acquiring Person or an
Affiliate or Associate thereof (as defined in the Rights Agreement).

                                                ________________________________
                                                Signature

                                      B-4
<PAGE>   42

             Form of Reverse Side of Right Certificate -- continued

                          FORM OF ELECTION TO PURCHASE

                      (To be executed if holder desires to
                    exercise Rights represented by the Right
                                  Certificate.)

To:      HUTTIG BUILDING PRODUCTS, INC.

                  The undersigned hereby irrevocably elects to exercise
___________ Rights represented by this Right Certificate to purchase the
Preferred Shares issuable upon the exercise of such Rights and requests that
certificates for such Preferred Shares be issued in the name of:

Please insert social security
or other identifying number

                  _____________________________________________
                         (Please print name and address)

                  _____________________________________________

If such number of Rights shall not be all the Rights evidenced by this Right
Certificate, a new Right Certificate for the balance remaining of such Rights
shall 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:

                  Signatures must be guaranteed by an eligible institution (a
bank, stockbroker, savings and loan association or credit union with membership
in an approved signature guarantee medallion program) pursuant to Rule 17Ad-15
of the Securities Exchange Act of 1934.

                                      B-5
<PAGE>   43

             Form of Reverse Side of Right Certificate -- continued

                  The undersigned hereby certifies that the Rights evidenced by
this Right Certificate are not beneficially owned by an Acquiring Person or an
Affiliate or Associate thereof (as defined in the Rights Agreement).

                                                ________________________________
                                                Signature

                                     NOTICE

                  The signature in the Form of Assignment or Form of Election to
Purchase, as the case may be, must conform to the name as written upon the face
of this Right Certificate in every particular, without alteration or enlargement
or any change whatsoever.

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

                                      B-6

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