UNION CARBIDE CORP /NEW/
8-K, 1999-08-05
INDUSTRIAL ORGANIC CHEMICALS
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                       SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549




                                    FORM 8-K

                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

                Date of Report (Date of earliest event reported):
                                 August 3, 1999


                            UNION CARBIDE CORPORATION
             (Exact name of registrant as specified in its charter)



         NEW YORK                       1-1463                   13-1421730
(State or other jurisdiction         (Commission              (IRS Employer
     of incorporation)               File Number)           Identification No.)



              39 Old Ridgebury Road
               Danbury, Connecticut                       06817
   (Address of principal executive offices              (Zip Code)



Registrant's telephone number, including area code:(203) 794-2000




                                       N/A
          (Former name or former address, if changed since last report)




<PAGE>



Item 5.  Other Events.

         On August 3, 1999, Union Carbide Corporation, a New York corporation
(the "Company"), The Dow Chemical Company, a Delaware corporation ("Dow
Chemical") and Transition Sub Inc., a Delaware corporation and a wholly-owned
subsidiary of Dow Chemical ("Merger Sub"), entered into an Agreement and Plan of
Merger (the "Merger Agreement"), pursuant to which Merger Sub will be merged
with and into the Company (the "Merger") with the Company as the corporation
surviving in the Merger. Pursuant to the terms, and subject to the conditions,
of the Merger Agreement, each share of common stock, $1.00 par value per share,
of the Company outstanding at the effective time of the Merger will be converted
into 0.537 shares of common stock, $2.50 par value per share, of Dow Chemical.

         In connection with the Merger Agreement, the Company and Dow Chemical
also entered into a Stock Option Agreement, dated August 3, 1999 (the "Stock
Option Agreement"), pursuant to which the Company has granted to Dow Chemical an
option to purchase approximately 19.9% of the outstanding shares of the Company
upon the occurrence of certain events. In connection with the proposed
transaction, the Company has amended its Rights Agreement, dated as of July 26,
1989, as amended and restated as of May 27, 1992 and as further amended on
December 3, 1996 (the "Rights Agreement"), between the Company and ChaseMellon
Shareholder Services, L.L.C., as successor Rights Agent, to render the Rights
Agreement inapplicable to the Merger and the other transactions contemplated by
the Merger Agreement and the Stock Option Agreement. The Company's Board of
Directors also has rescinded the Company's share repurchase authorization.

         The preceding is qualified in its entirety by reference to the Merger
Agreement, the Stock Option Agreement and a joint press release announcing the
signing of the Merger Agreement, copies of which are attached hereto as Exhibits
2, 99.1 and 99.2 respectively and which are incorporated herein by reference.


Item 7.  Exhibits.

2.       Agreement and Plan of Merger, dated August 3, 1999, by and among the
         Company, Dow Chemical and Merger Sub.

99.1     Stock Option Agreement, dated August 3, 1999, by and between the
         Company and Dow Chemical.

99.2     Text of Joint Press Release, dated August 4, 1999, issued by the
         Company and Dow Chemical.



                                       -2-



<PAGE>





                                    SIGNATURE

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


                                            UNION CARBIDE CORPORATION


                                            By:    /s/ J. Macdonald
                                                  ------------------------------
                                            Name:  J. Macdonald
                                            Title: Assistant Secretary


Date: August 4, 1999

















                                       -3-



<PAGE>


                                  EXHIBIT INDEX


Exhibit                               Description
- -------                               -----------

2.       Agreement and Plan of Merger, dated August 3, 1999, by and among the
         Company, Dow Chemical and Merger Sub.
99.1     Stock Option Agreement, dated August 3, 1999 by and between the Company
         and Dow Chemical.
99.2     Text of Joint Press Release, dated August 4, 1999, issued by the
         Company and Dow Chemical.






















                                       -4-




                          AGREEMENT AND PLAN OF MERGER

                                      Among

                           UNION CARBIDE CORPORATION,

                            THE DOW CHEMICAL COMPANY

                                       and

                               TRANSITION SUB INC.

                           Dated as of August 3, 1999


<PAGE>



                                TABLE OF CONTENTS


                                    ARTICLE I

                       The Merger; Closing; Effective Time

1.1.  The Merger...............................................................2

1.2.  Closing..................................................................2

1.3.  Effective Time...........................................................2


                                   ARTICLE II

      Certificate of Incorporation and Bylaws of the Surviving Corporation

2.1.  The Certificate of Incorporation.........................................2
2.2.  The Bylaws...............................................................3


                                   ARTICLE III

                       Officers, Directors and Management

3.1.  Directors of Surviving Corporation.......................................3
3.2.  Officers of Surviving Corporation........................................3
3.3.  Additional Directors of Parent...........................................3


                                   ARTICLE IV

         Effect of the Merger on Capital Stock; Exchange of Certificates

4.1.  Effect on Capital Stock..................................................3
4.2.  Exchange of Certificates for Company Shares..............................4
4.3.  Dissenters' Rights.......................................................7
4.4.  Adjustments to Prevent Dilution..........................................7


                                    ARTICLE V

                         Representations and Warranties

                                        i


<PAGE>



5.1.  Representations and Warranties of the Company, Parent and Merger Sub.....8


                                   ARTICLE VI

                                    Covenants

6.1.  Interim Operations......................................................23
6.2.  Acquisition Proposals...................................................27
6.3.  Information Supplied....................................................28
6.4.  Shareholders Meeting....................................................29
6.5.  Filings; Other Actions; Notification....................................29
6.6.  Access; Consultation....................................................32
6.7.  Affiliates..............................................................32
6.8.  Stock Exchange Listing and De-listing...................................33
6.9.  Publicity...............................................................33
6.10. Benefits................................................................33
6.11. Expenses................................................................36
6.12. Indemnification; Directors' and Officers' Insurance.....................36
6.13. Takeover Statute........................................................38
6.14. Dividends...............................................................38
6.15. Confidentiality.........................................................38
6.16. Tax-Free Reorganization.................................................38


                                   ARTICLE VII

                                   Conditions

7.1.  Conditions to Each Party's Obligation to Effect the Merger..............39
7.2.  Conditions to Obligations of Parent and Merger Sub......................40
7.3.  Conditions to Obligation of the Company.................................40


                                  ARTICLE VIII

                                   Termination

8.1.  Termination by Mutual Consent...........................................41
8.2.  Termination by Either Parent or the Company.............................41
8.3.  Termination by the Company..............................................42
8.4.  Termination by Parent...................................................42



                                       ii


<PAGE>



8.5.  Effect of Termination and Abandonment...................................43


                                   ARTICLE IX

                            Miscellaneous and General

9.1.  Survival................................................................44
9.2.  Modification or Amendment...............................................44
9.3.  Waiver of Conditions....................................................44
9.4.  Counterparts............................................................44
9.5.  Governing Law and Venue; Waiver of Jury Trial...........................45
9.6.  Notices.................................................................45
9.7.  Entire Agreement........................................................47
9.8.  No Third Party Beneficiaries............................................47
9.9.  Obligations of Parent and of the Company................................47
9.10. Severability............................................................48
9.11. Interpretation..........................................................48
9.12. Assignment..............................................................48


                                    EXHIBITS

Exhibit A.................................................Stock Option Agreement
Exhibit B.....................................Form of Company Affiliate's Letter
Exhibit C......................................Form of Parent Affiliate's Letter

                                       iii


<PAGE>



                             INDEX OF DEFINED TERMS

Term                                                                     Section
- ----                                                                     -------
Acquisition Proposal......................................................6.2(a)
Agreement...............................................................preamble
APB No. 16..............................................................recitals
Audit Date................................................................5.1(f)
Bankruptcy and Equity Exception........................................5.1(c)(i)
Bylaws.......................................................................2.2
Certificate...............................................................4.1(a)
Certificates of Merger.......................................................1.3
Change Date..............................................................6.10(f)
Charter......................................................................2.1
Charter and Bylaw Provisions..............................................5.1(j)
Closing......................................................................1.2
Closing Date.................................................................1.2
Code....................................................................recitals
Company.................................................................preamble
Company Affiliate's Letter...................................................6.7
Company Disclosure Letter....................................................5.1
Company Employee.........................................................6.10(i)
Company IP Rights.........................................................5.1(q)
Company Option........................................................6.10(a)(i)
Company Preferred Shares...............................................5.1(b)(i)
Company Representatives...................................................6.2(a)
Company Required Consents............................................5.1(d)(iii)
Company Required Filings...............................................5.1(d)(i)
Company Requisite Vote.................................................5.1(c)(i)
Company Share.............................................................4.1(a)
Company Shares............................................................4.1(a)
Company Stock Plans....................................................5.1(b)(i)
Compensation and Benefit Plans.........................................5.1(h)(i)
Competition Laws.......................................................5.1(d)(i)
Computer Systems..........................................................5.1(r)
Confidentiality Agreement...................................................6.15
Contracts.............................................................5.1(d)(ii)
Costs....................................................................6.12(a)
Current Premium..........................................................6.12(c)
D&O Insurance............................................................6.12(c)
Delaware Courts...........................................................9.5(a)
Disclosure Letter............................................................5.1

                                       iv


<PAGE>



DGCL.........................................................................1.1
Effective Time...............................................................1.3
Environmental Law.........................................................5.1(k)
EPS Plan.................................................................6.10(h)
ERISA..................................................................5.1(h)(i)
ERISA Affiliate........................................................5.1(h)(i)
ESOP......................................................................4.1(a)
Exchange Act...........................................................5.1(b)(i)
Exchange Agent............................................................4.2(a)
Exchange Fund.............................................................4.2(a)
Exchange Ratio............................................................4.1(a)
Excluded Company Shares...................................................4.1(a)
executive officers........................................................5.1(g)
GAAP......................................................................5.1(e)
Governmental Entity....................................................5.1(d)(i)
Hazardous Substance.......................................................5.1(k)
HSR Act................................................................5.1(d)(i)
Indemnified Parties......................................................6.12(a)
IRS...................................................................5.1(h)(ii)
Laws......................................................................5.1(i)
Material Adverse Effect...................................................5.1(a)
Merger..................................................................recitals
Merger Consideration......................................................4.1(a)
Merger Sub..............................................................preamble
NYBCL........................................................................1.1
NYSE.........................................................................6.8
Order.....................................................................7.1(d)
Parent..................................................................preamble
Parent Affiliate's Letter....................................................6.7
Parent Common Stock.......................................................4.1(a)
Parent Companies..........................................................4.1(a)
Parent Disclosure Letter.....................................................5.1
Parent Plan..............................................................6.10(i)
Parent Preferred Shares...............................................5.1(b)(ii)
Parent Required Consents.............................................5.1(d)(iii)
Parent Required Filings................................................5.1(d)(i)
Parent Stock Plans....................................................5.1(b)(ii)
Pension Plan..........................................................5.1(h)(ii)
Person....................................................................4.2(b)
Pooling Affiliates...........................................................6.7
Prospectus/Proxy Statement...................................................6.3
Rabbi Trust...........................................................6.1(a)(iv)

                                        v


<PAGE>



Registered Parent Shares..................................................4.2(b)
Reports...................................................................5.1(e)
Restricted Share.........................................................6.10(c)
Rights Agreement.......................................................5.1(b)(i)
Rule 145 Affiliates..........................................................6.7
S-4 Registration Statement...................................................6.3
SEC.......................................................................5.1(e)
Securities Act.........................................................5.1(d)(i)
Shareholders Meeting.........................................................6.4
Significant Investees.................................................5.1(d)(ii)
Significant Subsidiaries...............................................5.1(b)(i)
SIP.......................................................................4.1(a)
Stock Option Agreement..................................................recitals
Subsequent Agreement......................................................8.5(b)
Subsequent Transaction....................................................6.5(e)
Subsidiary................................................................5.1(a)
Substitute Option.....................................................6.10(a)(i)
Superior Proposal.........................................................6.2(a)
Substitute Restricted Shares.............................................6.10(c)
Surviving Corporation........................................................1.1
Takeover Statute..........................................................5.1(j)
Tax.......................................................................5.1(m)
Taxes.....................................................................5.1(m)
Taxable...................................................................5.1(m)
Tax Return................................................................5.1(m)
Termination Date.............................................................8.2
Termination Fee...........................................................8.5(b)
Year 2000 Compliance......................................................5.1(r)

                                       vi


<PAGE>



                          AGREEMENT AND PLAN OF MERGER

     This AGREEMENT AND PLAN OF MERGER ("Agreement"), dated as of August 3,
1999, is among Union Carbide Corporation, a New York corporation (the
"Company"), The Dow Chemical Company, a Delaware corporation ("Parent"), and
Transition Sub Inc., a Delaware corporation and a wholly-owned subsidiary of
Parent ("Merger Sub").

                                    RECITALS

     WHEREAS, the respective Boards of Directors of each of Parent, Merger Sub
and the Company have approved this Agreement and the merger of Merger Sub with
and into the Company (the "Merger") upon the terms and subject to the conditions
set forth in this Agreement;

     WHEREAS, the parties intend, by executing this Agreement, to adopt a plan
of reorganization within the meaning of Section 368 of the Internal Revenue Code
of 1986, as amended (the "Code"), and to cause the Merger to qualify as a
reorganization under the provisions of Section 368(a) of the Code;

     WHEREAS, for financial accounting purposes, it is intended that the Merger
shall be accounted for as a "pooling-of-interests" in accordance with the
requirements of Opinion No. 16 "Business Combinations" of the Accounting
Principles Board of the American Institute of Certified Public Accountants, as
amended by applicable pronouncements by the Financial Accounting Standards Board
("APB No. 16"); and

     WHEREAS, contemporaneously with the execution and delivery of this
Agreement, as a condition and inducement to Parent's and Merger Sub's
willingness to enter into this Agreement, the Company is entering into a stock
option agreement with Parent, substantially in the form of Exhibit A (the "Stock
Option Agreement"), pursuant to which the Company has granted to Parent an
option to purchase shares of common stock of the Company under the terms and
conditions set forth in the Stock Option Agreement; and

     WHEREAS, the Company, Parent and Merger Sub desire to make certain
representations, warranties, covenants and agreements in connection with this
Agreement.

     NOW, THEREFORE, in consideration of the premises, and of the
representations, warranties, covenants and agreements contained in this
Agreement, the parties agree as follows:



<PAGE>



                                    ARTICLE I

                       The Merger; Closing; Effective Time

     1.1. The Merger. Upon the terms and subject to the conditions set forth in
this Agreement, at the Effective Time Merger Sub shall be merged with and into
the Company and the separate corporate existence of Merger Sub shall thereupon
cease. The Company shall be the surviving corporation in the Merger (sometimes
referred to as the "Surviving Corporation") and shall continue to be governed by
the laws of the State of New York, and the separate corporate existence of the
Company with all its rights, privileges, immunities, powers and franchises shall
continue unaffected by the Merger except as set forth in Article III of this
Agreement. The Merger shall have the effects specified in the New York Business
Corporation Law, as amended (the "NYBCL") and the Delaware General Corporation
Law, as amended (the "DGCL").

     1.2. Closing. The closing of the Merger (the "Closing") shall take place
(i) at the offices of Mayer, Brown & Platt, 190 South LaSalle Street, Chicago,
Illinois, at 9:00 A.M., local time, on the second business day after the date on
which the last to be fulfilled or waived of the conditions set forth in Article
VII (other than those conditions that by their nature are to be satisfied at the
Closing, but subject to the fulfillment or waiver of those conditions) shall be
satisfied or waived in accordance with this Agreement or (ii) at such other
place and time and/or on such other date as the Company and Parent may agree in
writing (the "Closing Date").

     1.3. Effective Time. As soon as practicable following the Closing, the
Company and Parent will cause certificates of merger (collectively, the
"Certificates of Merger") to be executed, acknowledged and filed with the New
York Department of State as provided in Section 904 of the NYBCL and with the
Secretary of State of Delaware as provided in Section 251 of the DGCL. The
Merger shall become effective at the time when the Certificates of Merger have
been duly filed with the New York Department of State and with the Secretary of
State of Delaware or such other time as shall be agreed upon by the parties and
set forth in the Certificates of Merger in accordance with the NYBCL and the
DGCL (the "Effective Time").

                                   ARTICLE II

      Certificate of Incorporation and Bylaws of the Surviving Corporation

     2.1. The Certificate of Incorporation. The certificate of incorporation of
the Company as in effect immediately prior to the Effective Time shall be the
certificate of incorporation of the Surviving Corporation (the "Charter"), until
duly amended as provided therein or by applicable Law, except that (i) Article 3
of the Charter shall be amended to read in its entirety as follows: "3. The
aggregate number of shares that the Corporation shall have the authority to
issue is 1,000 shares of Common Stock, par value $0.01 per share."; and (ii)
Article 5 of the Charter shall

                                        2


<PAGE>



be amended to read in its entirety as follows: "5.  The number of directors,
their terms and their manner of election shall be fixed by or pursuant to the
Bylaws of the Corporation."

     2.2. The Bylaws. The bylaws of Merger Sub in effect at the Effective Time
shall be the Bylaws of the Surviving Corporation (the "Bylaws"), until
thereafter amended as provided therein or by applicable Law.

                                   ARTICLE III

                       Officers, Directors and Management

     3.1. Directors of Surviving Corporation. The directors of Merger Sub at the
Effective Time shall, from and after the Effective Time, be the directors of the
Surviving Corporation until their successors have been duly elected or appointed
and qualified or until their earlier death, resignation or removal in accordance
with the Charter and the Bylaws.

     3.2. Officers of Surviving Corporation. The officers of the Company at the
Effective Time shall, from and after the Effective Time, be the officers of the
Surviving Corporation until their successors have been duly elected or appointed
and qualified or until their earlier death, resignation or removal in accordance
with the Charter and the Bylaws.

     3.3. Additional Directors of Parent. At the Effective Time, two current
Company directors shall be appointed as additional members of the board of
directors of Parent.

                                   ARTICLE IV

         Effect of the Merger on Capital Stock; Exchange of Certificates

     4.1. Effect on Capital Stock. At the Effective Time, the Merger shall have
the following effects on the capital stock of the Company and Merger Sub,
without any action on the part of the holder of any capital stock of the Company
or Merger Sub:

          (a) Merger Consideration. Each share of Common Stock, $1.00 par value
     per share, of the Company (each a "Company Share" and together the "Company
     Shares") issued and outstanding immediately prior to the Effective Time,
     including Company Shares held under the Company's Savings and Investment
     Program (the "SIP") and the Company's Employee Stock Ownership Plan (the
     "ESOP") (but not including Company Shares that are owned by Parent, Merger
     Sub or any other direct or indirect subsidiary of Parent (collectively, the
     "Parent Companies") or Company Shares that are owned by the Company or any
     direct or indirect subsidiary of the Company and in each case not held

                                        3


<PAGE>



     on behalf of third parties (collectively, "Excluded Company Shares")),
     shall be converted into and become exchangeable for 0.537 of a share (the
     "Exchange Ratio") of Common Stock, par value $2.50 per share, of Parent
     ("Parent Common Stock"), subject to adjustment as provided in Section 4.4
     (the "Merger Consideration"). Parent shall use treasury shares to supply
     all of the Parent Common Stock that the shareholders of the Company are to
     receive pursuant to this Agreement. At the Effective Time, all Company
     Shares shall no longer be outstanding, shall be canceled and retired and
     shall cease to exist, and each certificate (a "Certificate") formerly
     representing any of such Company Shares (other than Excluded Company
     Shares) shall thereafter represent only the right to the Merger
     Consideration and the right, if any, to receive pursuant to Section 4.2(e)
     cash in lieu of fractional shares into which such Company Shares have been
     converted pursuant to this Section 4.1(a) and any distribution or dividend
     pursuant to Section 4.2(c), in each case without interest.

          (b) Cancellation of Excluded Company Shares. Each Excluded Company
     Share issued and outstanding immediately prior to the Effective Time shall,
     by virtue of the Merger and without any action on the part of the holder
     thereof, no longer be outstanding, shall be canceled and retired without
     payment of any consideration therefor and shall cease to exist.

          (c) Conversion of Merger Sub Shares. At the Effective Time, each share
     of Common Stock, par value $0.01 per share, of Merger Sub issued and
     outstanding immediately prior to the Effective Time shall be converted into
     one share of common stock of the Surviving Corporation, and the Surviving
     Corporation shall be a wholly-owned subsidiary of Parent.

     4.2. Exchange of Certificates for Company Shares.

          (a) Exchange Agent. As of the Effective Time, Parent shall deposit, or
     shall cause to be deposited, with an exchange agent selected by Parent with
     the Company's prior approval, which shall not be unreasonably withheld (the
     "Exchange Agent"), for the benefit of the holders of Company Shares,
     certificates representing the shares of Parent Common Stock and, after the
     Effective Time, if applicable, any cash, dividends or other distributions
     with respect to the Parent Common Stock to be issued or paid pursuant to
     the last sentence of Section 4.1(a) in exchange for Company Shares
     outstanding immediately prior to the Effective Time upon due surrender of
     the Certificates (or affidavits of loss in lieu thereof) pursuant to the
     provisions of this Article IV (such certificates for shares of Parent
     Common Stock, together with the amount of any dividends or other
     distributions payable with respect thereto, being referred to as the
     "Exchange Fund").

                                        4


<PAGE>



          (b) Exchange Procedures. Promptly after the Effective Time, the
     Surviving Corporation shall cause the Exchange Agent to mail to each holder
     of record as of the Effective Time of a Certificate in respect of Company
     Shares (other than holders of a Certificate in respect of Excluded Company
     Shares) (i) a letter of transmittal specifying that delivery shall be
     effected, and that risk of loss and title to the Certificates shall pass,
     only upon delivery of the Certificates (or affidavits of loss in lieu
     thereof) to the Exchange Agent, such letter of transmittal to be in such
     form and have such other provisions as Parent and the Company may
     reasonably agree, and (ii) instructions for exchanging the Certificates for
     (A) uncertificated shares of Parent Common Stock registered on the stock
     transfer books of Parent in the name of such holder ("Registered Parent
     Shares") or at the election of such holder, certificates representing
     shares of Parent Common Stock and (B) any unpaid dividends and other
     distributions and cash in lieu of fractional shares. Subject to Section
     4.2(h), upon surrender of a Certificate for cancellation to the Exchange
     Agent together with such letter of transmittal, duly executed, the holder
     of such Certificate shall be entitled to receive in exchange therefor (x)
     Registered Parent Shares or, at the election of such holder, a certificate,
     in either case representing that number of whole shares of Parent Common
     Stock that such holder is entitled to receive pursuant to this Article IV,
     and (y) a check in the amount (after giving effect to any required tax
     withholdings) of (A) any cash in lieu of fractional shares determined in
     accordance with Section 4.2(e) plus (B) any cash dividends and any other
     dividends or other distributions that such holder has the right to receive
     pursuant to the provisions of this Article IV. The Certificate so
     surrendered shall forthwith be canceled. No interest will be paid or
     accrued on any amount payable upon due surrender of any Certificate. In the
     event of a transfer of ownership of Company Shares that is not registered
     in the transfer records of the Company, Registered Parent Shares or a
     certificate, as the case may be, representing the proper number of shares
     of Parent Common Stock, together with a check for any cash in lieu of
     fractional shares to be paid upon due surrender of the Certificate and any
     other dividends or distributions in respect thereof, may be issued and/or
     paid to such a transferee if the Certificate formerly representing such
     Company Shares is presented to the Exchange Agent, accompanied by all
     documents required to evidence and effect such transfer and to evidence
     that any applicable stock transfer taxes have been paid. If any Registered
     Parent Shares or any certificate for shares of Parent Common Stock is to be
     issued in a name other than that in which the Certificate surrendered in
     exchange therefor is registered, it shall be a condition of such exchange
     that the Person requesting such exchange shall pay any transfer or other
     taxes required by reason of the issuance of Registered Parent Shares or
     certificates for shares of Parent Common Stock in a name other than that of
     the registered holder of the Certificate surrendered, or shall establish to
     the satisfaction of Parent or the Exchange Agent that such tax has been
     paid or is not applicable.

                                        5


<PAGE>



     The term "Person" means any individual, corporation (including
not-for-profit), general or limited partnership, limited liability company,
joint venture, estate, trust, association, organization, Governmental Entity or
other entity of any kind or nature.

          (c) Distributions with Respect to Unexchanged Shares; Voting.

          (i) Whenever a dividend or other distribution is declared by Parent in
     respect of Parent Common Stock, the record date for which is at or after
     the Effective Time, that declaration shall include dividends or other
     distributions in respect of all shares of Parent Common Stock issuable
     pursuant to this Agreement. No dividends or other distributions in respect
     of such Parent Common Stock shall be paid to any holder of any
     unsurrendered Certificate until such Certificate is surrendered for
     exchange in accordance with this Article IV. Subject to the effect of
     applicable Laws, following surrender of any such Certificate, there shall
     be issued or paid to the holder of the Registered Parent Shares or the
     certificates, as the case may be, representing whole shares of Parent
     Common Stock issued in exchange therefor (A) at the time of such surrender,
     the dividends or other distributions with a record date after the Effective
     Time and a payment date on or prior to the date of issuance of such whole
     shares of Parent Common Stock and not previously paid and (B) at the
     appropriate payment date, the dividends or other distributions payable with
     respect to such whole shares of Parent Common Stock with a record date
     after the Effective Time but with a payment date subsequent to surrender;
     provided, however, that no such holder shall be entitled to interest on any
     amount issued or paid pursuant to (A) or (B) above. For purposes of
     dividends or other distributions in respect of shares of Parent Common
     Stock, all shares of Parent Common Stock to be issued pursuant to the
     Merger shall be deemed issued and outstanding as of the Effective Time.

          (ii) Registered holders of unsurrendered Certificates shall be
     entitled to vote after the Effective Time at any meeting of Parent
     stockholders with a record date at or after the Effective Time the number
     of whole shares of Parent Common Stock represented by such Certificates,
     regardless of whether such holders have exchanged their Certificates.

          (d) Transfers. After the Effective Time, there shall be no transfers
     on the stock transfer books of the Company of the Company Shares that were
     outstanding immediately prior to the Effective Time.

          (e) Fractional Shares. Notwithstanding any other provision of this
     Agreement, no fractional shares of Parent Common Stock will be issued and
     any holder of Company Shares entitled to receive a fractional share of
     Parent Common Stock but for this Section 4.2(e) shall be entitled to
     receive in lieu thereof an amount in cash (without interest) determined by
     multiplying such fraction (rounded to the nearest one-hundredth of a share)
     by the closing price of a share of Parent Common Stock, as reported in The

                                        6


<PAGE>



     Wall Street Journal, New York City edition, on the trading day immediately
     prior to the Effective Time.

          (f) Termination of Exchange Period; Unclaimed Stock. Any portion of
     the Exchange Fund (including the proceeds of any investments thereof) that
     remain unclaimed by the shareholders of the Company 180 days after the
     Effective Time shall be paid to Parent. Any shareholders of the Company who
     have not theretofore complied with this Article IV shall thereafter look
     only to Parent for payment of their shares of Parent Common Stock and any
     cash, dividends and other distributions in respect thereof issuable and/or
     payable pursuant to Section 4.1, Section 4.2(c) and Section 4.2(e) upon due
     surrender of their Certificates (or affidavits of loss in lieu thereof), in
     each case, without any interest thereon. Notwithstanding the foregoing,
     none of Parent, the Surviving Corporation, the Exchange Agent nor any other
     Person shall be liable to any former holder of Company Shares for any
     amount properly delivered to a public official pursuant to applicable
     abandoned property, escheat or similar laws.

          (g) Lost, Stolen or Destroyed Certificates. In the event any
     Certificate shall have been lost, stolen or destroyed, upon the making of
     an affidavit of that fact by the Person claiming such Certificate to be
     lost, stolen or destroyed and the posting by such Person of a bond in the
     form customarily required by Parent as indemnity against any claim that may
     be made against it with respect to such Certificate, Parent will issue the
     shares of Parent Common Stock and the Exchange Agent will distribute stock,
     any cash, dividends and other distributions in respect thereof issuable or
     payable in exchange for such lost, stolen or destroyed Certificate pursuant
     to Section 4.1, Section 4.2(c) and Section 4.2(e), in each case, without
     interest.

          (h) Affiliates. Notwithstanding anything in this Agreement to the
     contrary, Certificates surrendered for exchange by any "Pooling Affiliate"
     (as determined pursuant to Section 6.7) of the Company shall not be
     exchanged until Parent has received a written agreement from such Person as
     provided in Section 6.7.

     4.3. Dissenters' Rights. In accordance with Section 910 of the NYBCL, no
appraisal rights shall be available to holders of Company Shares in connection
with the Merger.

     4.4. Adjustments to Prevent Dilution. In the event that prior to the
Effective Time, solely as a result of a reclassification, stock split (including
a reverse split), or stock dividend or stock distribution, made on a pro rata
basis to all holders of stock of the entity making such a stock dividend or
stock distribution, there is a change in the number of Company Shares or shares
of Parent Common Stock outstanding or issuable upon the conversion, exchange or
exercise of securities or rights convertible or exchangeable into or exercisable
for Company Shares or shares of Parent Common Stock, the Exchange Ratio shall be
equitably adjusted to eliminate the effects of such event.

                                        7


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                                    ARTICLE V

                         Representations and Warranties

     5.1. Representations and Warranties of the Company, Parent and Merger Sub.
Except as set forth or disclosed in (i) the corresponding sections or
subsections of the disclosure letter, dated the date of this Agreement,
delivered by the Company to Parent or by Parent to the Company (each a
"Disclosure Letter," and the "Company Disclosure Letter" and the "Parent
Disclosure Letter," respectively), as the case may be, or (ii) in its Reports
filed prior to the date of this Agreement, the Company (except for subparagraphs
(b)(ii), (b)(iii), (c)(ii), (f)(ii) and (o)(ii) below and references in
subparagraphs (a) and (e) below to documents made available by Parent to the
Company) represents and warrants to Parent and Merger Sub, and Parent (except
for subparagraphs (b)(i), (c)(i),(f)(i), (h), (j), (k), (n), (o)(i), (p) and (q)
below and references in subparagraphs (a) and (e) below to documents made
available by the Company to Parent), on behalf of itself and Merger Sub,
represents and warrants to the Company, that:

          (a) Organization, Good Standing and Qualification. Each of it and its
     Subsidiaries is a corporation or other legal entity duly organized, validly
     existing and in good standing under the laws of its respective jurisdiction
     of organization and has all requisite corporate or similar power and
     authority to own and operate its properties and assets and to carry on its
     business as presently conducted and is qualified to do business and is in
     good standing as a foreign corporation in each jurisdiction where the
     ownership or operation of its properties or conduct of its business
     requires such qualification, except where the failure to be so qualified or
     in good standing is not, when taken together with all other such failures,
     reasonably likely to have a Material Adverse Effect on it. It has made
     available to Parent, in the case of the Company, and to the Company, in the
     case of Parent, a complete and correct copy of its certificate of
     incorporation and bylaws, each as amended to date. Such certificates of
     incorporation and bylaws are in full force and effect.

     The term "Subsidiary" means, with respect to the Company, Parent or Merger
Sub, as the case may be, any entity, whether incorporated or unincorporated, of
which at least a majority of the securities or ownership interests having by
their terms ordinary voting power to elect at least a majority of the Board of
Directors or other persons performing similar functions is directly or
indirectly owned by such party.

     The term "Material Adverse Effect" means, with respect to any Person, a
material adverse effect on the financial condition, assets and liabilities
(taken together) or business of such Person and its Subsidiaries, taken as a
whole; provided, however, that Material Adverse Effect shall exclude any effect
resulting from or related to changes or developments involving (1) a change
arising out of any proposed or adopted legislation, or any other proposal or
enactment by any

                                        8


<PAGE>



governmental, regulatory or administrative authority, (2) general conditions
applicable to the United States economy or the economy of regions where such
Person has business operations, including changes in interest rates, (3)
conditions or effects resulting from the announcement of the existence or terms
of this Agreement, (4) conditions affecting the chemical industry in the United
States or other areas where such Person has business operations, (5) changes in
raw materials or commodity prices, in each case taken as a whole, or (6) a
failure of a Person to achieve Year 2000 Compliance as a result of supplier,
customer or third party non compliance.

     Reference to "the other party" means, with respect to the Company, Parent,
and with respect to Parent, the Company.

          (b) Capital Structure.

               (i) The authorized capital stock of the Company consists of
          500,000,000 Company Shares, of which 133,180,727 Company Shares were
          issued and outstanding and 23,416,643 Company Shares were held in
          treasury as of the close of business on July 31, 1999, and 25,000,000
          shares of Preferred Stock, value $1.00 per share (the "Company
          Preferred Shares"), none of which were outstanding as of the close of
          business on the date of this Agreement. All of the outstanding Company
          Shares have been duly authorized and are validly issued, fully paid
          and nonassessable. Other than Company Shares reserved for issuance
          pursuant to the Rights Agreement dated as of July 26, 1989, as Amended
          and Restated as of May 27, 1992 and as further amended on December 3,
          1996 between the Company and Chase Mellon Shareholder Services, Inc.,
          as successor Rights Agent (the "Rights Agreement"), and Company Shares
          subject to issuance as set forth below or that are permitted to become
          subject to issuance pursuant to Section 6.1(a)(iv) or (vii) of this
          Agreement, the Company has no Company Shares, Company Preferred Shares
          or other shares of capital stock reserved for or otherwise subject to
          issuance. As of the date of this Agreement, there were not more than
          12,750,000 Company Shares that the Company was obligated to issue
          pursuant to the Company's stock option plans, each of which are listed
          in Section 5.1(b)(i) of the Company Disclosure Letter under the
          heading "Company Stock Option Plans." Each of the outstanding shares
          of capital stock or other securities of each of the Company's
          "Significant Subsidiaries" (as defined in Rule 1-02.(w) of Regulation
          S-X promulgated pursuant to the Securities Exchange Act of 1934, as
          amended (the "Exchange Act")) is duly authorized, validly issued,
          fully paid and nonassessable and owned by the Company or a direct or
          indirect wholly-owned Subsidiary of the Company, free and clear of any
          lien, pledge, security interest, claim or other encumbrance. Except
          pursuant to the plans listed in Section 5.1(b)(i) of the Company
          Disclosure Letter under the heading "Company Stock Plans"
          (collectively, the "Company Stock Plans"), the Stock Option Agreement
          or as set forth above, there are no preemptive or other outstanding

                                        9


<PAGE>



          rights, options, warrants, conversion rights, stock appreciation
          rights, redemption rights, repurchase rights, agreements, arrangements
          or commitments to issue or sell any shares of capital stock or other
          securities of the Company or any of its Significant Subsidiaries or
          any securities or obligations convertible or exchangeable into or
          exercisable for, or giving any Person a right to subscribe for or
          acquire, any securities of the Company or any of its Significant
          Subsidiaries, and no securities or obligations evidencing such rights
          are authorized, issued or outstanding. The Company does not have
          outstanding any bonds, debentures, notes or other debt obligations the
          holders of which have the right to vote (or convertible into or
          exercisable for securities having the right to vote) with the
          shareholders of the Company on any matter. The Company Shares issuable
          pursuant to the Stock Option Agreement have been duly reserved for
          issuance by the Company, and upon any issuance of such Company Shares
          in accordance with the terms of the Stock Option Agreement, such
          Company Shares will be duly and validly issued and fully paid and
          nonassessable. No Company Shares are held by a Subsidiary of the
          Company.

               (ii) The authorized capital stock of Parent consists of
          500,000,000 shares of Parent Common Stock, of which 219,246,242 shares
          were issued and outstanding and 107,879,612 shares were held in
          treasury as of the close of business on July 31, 1999, and 250,000,000
          shares of Preferred Stock, par value $1.00 per share (the "Parent
          Preferred Shares"), of which 1,328,526 shares of Series A Parent
          Preferred Shares were outstanding as of the close of business on July
          31, 1999. All of the outstanding shares of Parent Common Stock have
          been duly authorized and are validly issued, fully paid and
          nonassessable. Other than Parent Common Stock subject to issuance as
          set forth below, as of the date of this Agreement, Parent has no
          shares of Parent Common Stock or Parent Preferred Shares reserved for
          or subject to issuance. As of July 31, 1999, there were not more than
          14,419,613.5 shares of Parent Common Stock that Parent was obligated
          to issue pursuant to the Parent's stock plans, each of which are
          listed in Section 5.1(b)(ii) of the Parent Disclosure Letter
          (collectively, the "Parent Stock Plans"). Each of the outstanding
          shares of capital stock of each of Parent's Significant Subsidiaries
          is duly authorized, validly issued, fully paid and nonassessable and
          owned by Parent or a direct or indirect wholly-owned subsidiary of
          Parent, free and clear of any lien, pledge, security interest, claim
          or other encumbrance. Except as set forth above, as of the date of
          this Agreement there are no preemptive or other outstanding rights,
          options, warrants, conversion rights, stock appreciation rights,
          redemption rights, repurchase rights, agreements, arrangements or
          commitments to issue or to sell any shares of capital stock or other
          securities of Parent or any of its Significant Subsidiaries or any
          securities or obligations convertible or exchangeable into or
          exercisable for, or giving any Person a right to subscribe for or
          acquire, any securities of Parent or any of its

                                       10


<PAGE>



          Significant Subsidiaries, and no securities or obligation evidencing
          such rights are authorized, issued or outstanding. As of the date of
          this Agreement, Parent does not have outstanding any bonds,
          debentures, notes or other debt obligations the holders of which have
          the right to vote (or convertible into or exercisable for securities
          having the right to vote) with the stockholders of Parent on any
          matter.

               (iii) The authorized capital stock of Merger Sub consists of 100
          shares of Common Stock, par value $0.01 per share, all of which are
          validly issued and outstanding. All of the issued and outstanding
          capital stock of Merger Sub is, and at the Effective Time will be,
          owned by Parent, and there are (A) no other shares of capital stock or
          other voting securities of Merger Sub, (B) no securities of Merger Sub
          convertible into or exchangeable for shares of capital stock or other
          voting securities of Merger Sub and (C) no options or other rights to
          acquire from Merger Sub, and no obligations of Merger Sub to issue,
          any capital stock, other voting securities or securities convertible
          into or exchangeable for capital stock or other voting securities of
          Merger Sub. Merger Sub has not conducted any business prior to the
          date of this Agreement and has no, and prior to the Effective Time
          will have no, assets, liabilities or obligations of any nature other
          than those incident to its formation and pursuant to this Agreement
          and the Merger and the other transactions contemplated by this
          Agreement.

          (c) Corporate Authority; Approval and Fairness.

               (i) The Company has all requisite corporate power and authority
          and has taken all corporate action necessary in order to execute,
          deliver and perform its obligations under this Agreement and the Stock
          Option Agreement and, subject only to adoption of this Agreement by
          the holders of two-thirds of the outstanding Company Shares (the
          "Company Requisite Vote"), to consummate the Merger. Each of this
          Agreement and the Stock Option Agreement has been duly executed and
          delivered by the Company and is a valid and binding agreement of the
          Company enforceable against the Company in accordance with its terms,
          subject to bankruptcy, insolvency, fraudulent transfer,
          reorganization, moratorium and similar laws of general applicability
          relating to or affecting creditors' rights and to general equity
          principles (the "Bankruptcy and Equity Exception"). The Board of
          Directors of the Company (A) has approved, by the unanimous vote of
          all of the directors present and voting at a meeting at which a quorum
          was present, this Agreement, the Stock Option Agreement and the Merger
          and the other transactions contemplated by this Agreement and the
          Stock Option Agreement and (B) has received the opinion of its
          financial advisor, Credit Suisse First Boston Corporation, to the
          effect that, as of the date of this Agreement, the Exchange Ratio is
          fair to holders of Company Shares from a financial point of view.

                                       11


<PAGE>



               (ii) Parent and Merger Sub each has all requisite corporate power
          and authority and each has taken all corporate action necessary in
          order to execute, deliver and perform its obligations under this
          Agreement and, in the case of Parent, the Stock Option Agreement, and,
          to consummate the Merger. This Agreement has been duly executed and
          delivered by Parent and Merger Sub and is a valid and binding
          agreement of Parent and Merger Sub, enforceable against each of Parent
          and Merger Sub in accordance with its terms, subject to the Bankruptcy
          and Equity Exception. Without limiting the generality of the
          foregoing, no vote or approval of the holders of any class of capital
          stock of Parent is required in order for Parent and Merger Sub to
          execute, deliver and perform its obligations under this Agreement, to
          consummate the Merger or to issue Parent Common Stock pursuant to the
          Merger. The Board of Directors of Parent has unanimously approved this
          Agreement and the Merger and the other transactions contemplated by
          this Agreement. The shares of Parent Common Stock issuable to the
          Company shareholders pursuant to the Agreement are listed on the NYSE
          and, when issued pursuant to this Agreement, will be validly issued,
          fully paid and nonassessable, and no stockholder of Parent will have
          any preemptive right of subscription or purchase in respect thereof.

          (d) Government Filings; No Violations.

               (i) Other than the filings and/or notices (A) pursuant to Section
          1.3, (B) under the Hart-Scott-Rodino Antitrust Improvements Act of
          1976, as amended (the "HSR Act"), the Exchange Act and the Securities
          Act of 1933, as amended (the "Securities Act"), (C) pursuant to the
          European Community Merger Control Regulation, (D) to comply with state
          securities or "blue-sky" laws, and (E) to comply with any other
          relevant Competition Laws (including such laws in Canada and, if
          necessary, Japan) (such filings and/or notices of Parent being the
          "Parent Required Filings" and of the Company being the "Company
          Required Filings"), no notices, reports or other filings are required
          to be made by it with, nor are any consents, registrations, approvals,
          permits or authorizations required to be obtained by it from, any
          governmental or regulatory authority, court, agency, commission, body
          or other governmental entity ("Governmental Entity"), in connection
          with the execution and delivery of this Agreement and the Stock Option
          Agreement by it and the consummation by it of the Merger and the other
          transactions contemplated by this Agreement and the Stock Option
          Agreement, except those that the failure to make or obtain are not,
          individually or in the aggregate, reasonably likely to have a Material
          Adverse Effect on it and not reasonably likely to prevent, materially
          delay or materially impair its ability to consummate the transactions
          contemplated by this Agreement or the Stock Option Agreement.

                                       12


<PAGE>



     The term "Competition Laws" includes the HSR Act, the European Community
Merger Control Regulation, and any other antitrust or competition Law of the
United States, the European Community or any other nation, province, territory
or locality which must be satisfied or complied with in order to consummate and
make effective the Merger or the other transactions contemplated by this
Agreement and the Stock Option Agreement.

               (ii) The execution, delivery and performance of this Agreement
          and the Stock Option Agreement by it do not, and the consummation by
          it of the Merger and the other transactions contemplated by this
          Agreement and the Stock Option Agreement will not, constitute or
          result in (A) a breach or violation of, or a default under, its
          certificate of incorporation or bylaws or the comparable governing
          instruments of any of its Significant Subsidiaries, (B) a breach or
          violation of, or a default under, the certificate of incorporation or
          bylaws of any entity in which it has an equity interest of 20% or more
          (collectively, with Significant Subsidiaries, "Significant
          Investees"), (C) a breach or violation of, or a default under, the
          acceleration of any obligations or the creation of a lien, pledge,
          security interest or other encumbrance on its or its Subsidiaries'
          assets or the assets of any of its Significant Investees (with or
          without notice, lapse of time or both) pursuant to any agreement,
          license, lease, contract, note, mortgage, indenture, arrangement or
          other obligation ("Contracts") binding upon it or its Subsidiaries or
          any of its Significant Investees or any Law or governmental or
          non-governmental permit or license to which it or its Subsidiaries or
          any of its Significant Investees is subject or (D) any change in the
          rights or obligations of any party under any Contracts to which it or
          its Subsidiaries or its Significant Investees are a party, except, in
          the case of clauses (B), (C) or (D) above, for any breach, violation,
          default, acceleration, creation or change that, individually or in the
          aggregate, is not reasonably likely to have a Material Adverse Effect
          on it and not reasonably likely to prevent, materially delay or
          materially impair its ability to consummate the transactions
          contemplated by this Agreement or the Stock Option Agreement.

               (iii) For purposes of this Agreement, the "Company Required
          Consents" means the consents that are listed in Section 5.1(d)(iii) of
          the Company Disclosure Letter and the "Parent Required Consents" means
          the consents that are listed in Section 5.1(d)(iii) of the Parent
          Disclosure Letter.

          (e) Reports; Financial Statements. It has made available to the other
     party each registration statement, report, proxy statement or information
     statement prepared by it since December 31, 1996, including its Annual
     Report on Form 10-K for the years ended December 31, 1996, December 31,
     1997 and December 31, 1998 in the form (including exhibits, annexes,
     schedules and any amendments thereto) filed with the Securities and
     Exchange Commission (the "SEC") (collectively, including any such

                                       13


<PAGE>



     reports filed subsequent to the date of this Agreement, its "Reports"). As
     of their respective dates, its Reports did not contain any untrue statement
     of a material fact or omit to state a material fact required to be stated
     therein or necessary to make the statements made therein, in light of the
     circumstances in which they were made, not misleading. Each of the
     consolidated balance sheets included in or incorporated by reference into
     its Reports (including the related notes and schedules) fairly presents in
     all material respects the consolidated financial position of it and its
     Subsidiaries as of its date and each of the consolidated statements of
     income and of cash flows included in or incorporated by reference into its
     Reports (including any related notes and schedules) fairly presents in all
     material respects the consolidated results of operations, retained earnings
     and cash flows, as the case may be, of it and its Subsidiaries for the
     periods set forth therein (subject, in the case of unaudited statements, to
     notes and normal year-end audit adjustments that will not be material in
     amount or effect), in each case in accordance with U.S. generally accepted
     accounting principles ("GAAP") consistently applied during the periods
     involved, except as may be noted therein.

           (f) Absence of Certain Changes.

               (i) Since December 31, 1998 (the "Audit Date") there has not been
          (w) any change in the financial condition, liabilities and assets
          (taken together) or business of the Company and its Subsidiaries,
          except those changes that are not, individually or in the aggregate,
          reasonably likely to have a Material Adverse Effect on the Company;
          (x) any damage, destruction or other casualty loss with respect to any
          asset or property owned, leased or otherwise used by the Company or
          any of its Subsidiaries, whether or not covered by insurance, which
          damage, destruction or loss is reasonably likely, individually or in
          the aggregate, to have a Material Adverse Effect on the Company; (y)
          any declaration, setting aside or payment of any dividend or other
          distribution in respect of the Company's capital stock, except
          publicly announced regular quarterly cash dividends on its common
          stock; or (z) any change by the Company in accounting principles,
          practices or methods, except as required by GAAP. Since the Audit
          Date, except as provided for in this Agreement, there has not been any
          increase in the salary, wage, bonus, grants, awards, benefits or other
          compensation payable or that could become payable by the Company or
          any of its Subsidiaries to directors, officers or key employees or any
          amendment of any of its Compensation and Benefit Plans other than
          increases or amendments in the ordinary and usual course of its
          business (which may include ordinary periodic performance reviews and
          related compensation and benefit increases and the provision of new
          individual compensation and benefits for promoted or newly hired
          officers and employees on terms consistent with past practice) and no
          additional contributions have been made to the Company Benefits
          Protection Trust and no actions have been taken to provide for any
          such contributions. From the Audit Date through the date of this

                                       14


<PAGE>



          Agreement, the Company and its Subsidiaries have conducted their
          respective businesses only in, and have not engaged in any material
          transaction other than according to, the ordinary and usual course of
          such business.

               (ii) Since the Audit Date, there has not been (w) any change in
          the financial condition, liabilities and assets (taken together) or
          business of Parent and its Subsidiaries, except those changes that are
          not, individually or in the aggregate, reasonably likely to have a
          Material Adverse Effect on Parent; (x) any damage, destruction or
          other casualty loss with respect to any asset or property owned,
          leased or otherwise used by Parent or any of its Subsidiaries, whether
          or not covered by insurance, which damage, destruction or loss is
          reasonably likely, individually or in the aggregate, to have a
          Material Adverse Effect on Parent; (y) any declaration, setting aside
          or payment of any dividend or other distribution in respect of
          Parent's capital stock, except publicly announced regular quarterly
          cash dividends on its common stock and except as permitted by Section
          6.1(b); or (z) any change by Parent in accounting principles,
          practices or methods, except as required by GAAP. From the Audit Date
          through the date of this Agreement, Parent and its Subsidiaries have
          conducted their respective businesses only in, and have not engaged in
          any material transaction other than according to the ordinary and
          usual course of such businesses.

          (g) Litigation and Liabilities. Except as to matters involving Taxes,
     there are no (i) civil, criminal or administrative actions, suits, claims,
     hearings, investigations or proceedings pending or, to the actual knowledge
     of its executive officers, threatened against it or any of its Subsidiaries
     or (ii) obligations or liabilities of it and its Subsidiaries, whether or
     not accrued, contingent or otherwise and whether or not required to be
     disclosed, or any other facts or circumstances, in either such case, except
     for those that are not, individually or in the aggregate, reasonably likely
     to have a Material Adverse Effect on it and not reasonably likely to
     prevent, materially delay or materially impair its ability to consummate
     the transactions contemplated by this Agreement or the Stock Option
     Agreement.

     The term "executive officers" means, with respect to the Company and its
Subsidiaries, William Joyce, Joseph Soviero, John K. Wulff, Malcolm Kessinger
and Bruce Fitzgerald, and with respect to Parent and its Subsidiaries, William
S. Stavropoulous, J. Pedro Reinhard and John G. Scriven.

     (h) Employee Benefits.

               (i) None of the Company nor any ERISA Affiliate maintains, is a
          party to, participates in or has any liability or contingent liability
          with respect to any employee benefit plan (within the meaning of
          Section 3(3) of the Employee

                                       15


<PAGE>



          Retirement Income Security Act of 1974, as amended ("ERISA"), or any
          bonus, deferred compensation, pension, retirement, profit-sharing,
          thrift, savings, employee stock ownership, stock bonus, stock
          purchase, restricted stock, stock option, employment, consulting,
          termination, severance, compensation, medical, health or fringe
          benefit plan, or other plan, program, agreement, policy or arrangement
          for any agents, consultants, employees, directors, former employees or
          former directors of the Company and or any ERISA Affiliate which does
          not constitute an employee benefit plan (which employee benefit plans
          and other plans, programs, agreements policies and arrangements are
          collectively referred to as the "Compensation and Benefit Plans"). A
          true and correct copy of each Compensation and Benefit Plan and, to
          the extent applicable, copies of the most recent annual report,
          actuarial report, accountant's opinion of the plan's financial
          statements, summary plan description and Internal Revenue Service
          determination letter with respect to any Compensation and Benefit
          Plans and any trust agreements or insurance contracts forming a part
          of such Compensation and Benefit Plans has been made available by the
          Company to Parent prior to the date of this Agreement. In the case of
          any Compensation and Benefit Plan which is not in written form, the
          Company has supplied to Parent an accurate description of such
          Compensation and Benefit Plan as in effect on the date of this
          Agreement. For purposes of this Agreement, the term "ERISA Affiliate"
          means any corporation or trade or business which, together with the
          Company, is a member of a controlled group of Persons or a group of
          trades or businesses under common control with the Company within the
          meaning of Sections 414(b), (c), (m) or (o) of the Code.

               (ii) All Compensation and Benefit Plans are in substantial
          compliance with all requirements of applicable Law, including the Code
          and ERISA and no event has occurred which will or could cause any such
          Compensation and Benefit Plan to fail to substantially comply with
          such requirements and no notice has been issued by any governmental
          authority questioning or challenging such compliance. There have been
          no acts or omissions by the Company or any ERISA Affiliate which have
          given rise to or may give rise to fines, penalties, taxes or related
          charges under Section 502 of ERISA or Chapters 43, 47, 68 or 100 of
          the Code for which the Company or ERISA Affiliate may be liable and
          which are, individually or in the aggregate, reasonably likely to have
          a Material Adverse Effect. Each of the Compensation and Benefit Plans
          that is an "employee pension benefit plan" within the meaning of
          Section 3(2) of ERISA, other than a multiemployer plan (as defined in
          Section 3(37) of ERISA (each a "Pension Plan"), and that is intended
          to be qualified under Section 401(a) of the Code has received a
          favorable determination letter from the Internal Revenue Service (the
          "IRS") which covers all changes in Law for which the remedial
          amendment period (within the meaning of Section 401(b) of the Code and

                                       16


<PAGE>



          applicable regulations) has expired and none of the Company nor any of
          its ERISA Affiliates is aware of any circumstances likely to result in
          revocation of any such favorable determination letter. There is no
          pending or, to the actual knowledge of the Company's executive
          officers, threatened material litigation relating to its Compensation
          and Benefit Plans. Neither the Company nor any of the ERISA Affiliates
          has engaged in a transaction with respect to any of the Compensation
          and Benefit Plans that, assuming the taxable period of such
          transaction expired as of the date of this Agreement, would subject it
          or any of the ERISA Affiliates to a material tax or penalty imposed by
          either Section 4975 of the Code or Section 502 of ERISA.

               (iii) As of the date of this Agreement, no liability under Title
          IV of ERISA (other than the payment of prospective premium amounts to
          the Pension Benefit Guaranty Corporation in the normal course) has
          been or is expected to be incurred by the Company or any ERISA
          Affiliate with respect to any Compensation and Benefit Plan. No notice
          of a "reportable event", within the meaning of Section 4043 of ERISA
          for which the 30-day reporting requirement has not been waived, has
          been required to be filed for any Pension Plans within the 12-month
          period ending on the date of this Agreement or will be required to be
          filed in connection with the transactions contemplated by this
          Agreement.

               (iv) All contributions required to be made under the terms of any
          of the Compensation and Benefit Plans as of the date of this Agreement
          have been timely made or have been reflected on the most recent
          consolidated balance sheet filed or incorporated by reference in its
          Reports prior to the date of this Agreement. None of the Pension Plans
          has an "accumulated funding deficiency" (whether or not waived) within
          the meaning of Section 412 of the Code or Section 302 of ERISA.
          Neither the Company nor any ERISA Affiliate has provided, or is
          required to provide, security to any Pension Plans pursuant to Section
          401(a)(29) of the Code or to the PBGC pursuant to Title IV or ERISA.

               (v) Under each of the Pension Plans as of the last day of the
          most recent plan year ended prior to the date of this Agreement, the
          actuarially determined present value of all "benefit liabilities",
          within the meaning of Section 4001(a)(16) of ERISA (as determined on
          the basis of the actuarial assumptions contained in such Pension
          Plan's most recent actuarial valuation), did not exceed the then
          current value of the assets of such Pension Plan, and there has been
          no material change in the financial condition of such Pension Plan
          since the last day of the most recent plan year.

               (vi) None of the Company nor any ERISA Affiliate have any
          obligations for post-termination health and life benefits under any of
          the

                                       17


<PAGE>



          Compensation and Benefit Plans, except as set forth in its Reports
          filed prior to the date of this Agreement or as required by applicable
          Law.

               (vii) The consummation of the Merger (or its approval by
          shareholders of the Company) and the other transactions contemplated
          by this Agreement or the Stock Option Agreement will not (x) entitle
          any employees or directors of the Company or any employees of any of
          the Company's ERISA Affiliates to severance pay, directly or
          indirectly, upon termination of employment or otherwise, (y)
          accelerate the time of payment or vesting or trigger any payment of
          compensation or benefits under, increase the amount payable or trigger
          any other material obligation pursuant to, any of the Compensation and
          Benefit Plans or (z) result in any breach or violation of, or a
          default under, any of the Compensation and Benefit Plans.

               (viii) None of the Compensation and Benefit Plans is a
          multiemployer plan and none of the Company or any of the ERISA
          Affiliates have contributed or been obligated to contribute to a
          multiemployer plan at any time since January 1, 1993.

          (i) Compliance with Laws. The businesses of each of it and its
     Subsidiaries have not been, and are not being, conducted in violation of
     any law, statute, ordinance, regulation, judgment, order, decree,
     injunction, arbitration award, license, authorization, opinion, agency
     requirement or permit of any Governmental Entity (collectively, "Laws"),
     and to the actual knowledge of the executive officers no Significant
     Investor is in violation of any Law, except for violations or possible
     violations that are not, individually or in the aggregate, reasonably
     likely to have a Material Adverse Effect on it and not reasonably likely to
     prevent, materially delay or materially impair its ability to consummate
     the transactions contemplated by this Agreement or the Stock Option
     Agreement. No investigation or review by any Governmental Entity with
     respect to it or any of its Subsidiaries is pending or, to the actual
     knowledge of its executive officers, threatened, nor has any Governmental
     Entity indicated an intention to conduct the same, except for those the
     outcome of which are not, individually or in the aggregate, reasonably
     likely to have a Material Adverse Effect on it and not reasonably likely to
     prevent, materially delay or materially impair its ability to consummate
     the transactions contemplated by this Agreement and the Stock Option
     Agreement. To the actual knowledge of its executive officers, no material
     change is required in its or any of its Subsidiaries' processes, properties
     or procedures in connection with any such Laws, and it has not received any
     notice or communication of any material noncompliance with any such Laws
     that has not been cured as of the date of this Agreement, except for such
     changes and noncompliance that are not, individually or in the aggregate,
     reasonably likely to have a Material Adverse Effect on it and not
     reasonably likely to prevent, materially delay or materially impair its
     ability to consummate the transactions

                                       18


<PAGE>



     contemplated by this Agreement and the Stock Option Agreement. Each of it
     and its Subsidiaries has all permits, licenses, franchises, variances,
     exemptions, orders and other governmental authorizations, consents and
     approvals necessary to conduct their business as presently conducted,
     except for those the absence of which are not, individually or in the
     aggregate, reasonably likely to have a Material Adverse Effect on it and
     not reasonably likely to prevent, materially delay or materially impair its
     ability to consummate the transactions contemplated by this Agreement and
     the Stock Option Agreement.

          (j) Takeover Statutes; Charter and Bylaw Provisions. The Board of
     Directors of the Company has taken all appropriate and necessary actions
     such that the transactions contemplated under this Agreement and the Stock
     Option Agreement can be consummated and neither Parent or Merger Sub, as
     "interested shareholders" (as defined in Section 912 of the NYBCL), will be
     prohibited at any time from entering into one or more "business
     combinations" (within the meaning of Section 912 of the NYBCL) with the
     Company, without any need to satisfy the conditions set forth in Section
     912(c)(3) of the NYBCL, as a result of the execution and delivery of this
     Agreement and the Stock Option Agreement, or as a result of the
     consummation of the transactions contemplated by this Agreement or the
     Stock Option Agreement. Except for the applicable provisions of the NYBCL,
     no other "fair price," "moratorium," "control share acquisition" or other
     similar state law anti-takeover statute or regulation (each a "Takeover
     Statute") as in effect on the date of this Agreement is applicable to the
     Company, the Company Shares, the Merger or the other transactions
     contemplated by this Agreement or the Stock Option Agreement. No
     anti-takeover provision contained in the Company's certificate of
     incorporation or its bylaws (collectively, "Charter and Bylaw Provisions")
     is, or at the Effective Time will be, applicable to the Merger or the other
     transactions contemplated by this Agreement or the Stock Option Agreement.

          (k) Environmental Matters. Except for such matters that, individually
     or in the aggregate, are not reasonably likely to have a Material Adverse
     Effect on the Company: (i) each of the Company and its Subsidiaries has
     complied with all applicable Environmental Laws; (ii) neither the Company
     nor any Subsidiary has received any notice, demand, letter, claim or
     request for information alleging that the Company or any of its
     Subsidiaries may be in violation of or liable under any Environmental Law
     or is involved in any litigation related to any Environmental Laws; (iii)
     neither the Company nor any of its Subsidiaries is subject to any Orders,
     decrees, injunctions or other arrangements with any Governmental Entity
     relating to the remediation of Hazardous Substances or compliance with
     Environmental Laws; (iv) there are no circumstances or conditions involving
     the Company or any of its Subsidiaries that could reasonably be expected to
     result in any claims, liability, investigations, costs or restrictions on
     the ownership, use, or transfer of any of the Company's properties pursuant
     to any Environmental Law; and (v) the executive officers of the Company
     have no actual

                                       19


<PAGE>



     knowledge of any breach of any Environmental Law by any Significant
     Investee. This Section 5.1(k) constitutes the sole representation and
     warranty of the Company with respect to any Environmental Law or relating
     to Hazardous Substances notwithstanding any other representation of this
     Article V.

     The term "Environmental Law" means any Law relating to: (A) the protection,
investigation or restoration of the environment, health, safety, or natural
resources; (B) the handling, use, presence, disposal, release or threatened
release of any Hazardous Substance; or (C) noise, odor, wetlands, pollution,
contamination or (i) any injury or threat of injury to persons or property or
(ii) notifications to government agencies or the public in connection with any
Hazardous Substance.

     The term "Hazardous Substance" means any substance that is listed,
classified or regulated pursuant to any Environmental Law, including any
petroleum product or by-product, asbestos-containing material, lead-containing
paint or plumbing, polychlorinated biphenyls or radioactive materials.

          (l) Accounting and Tax Matters. Neither it nor any of its Subsidiaries
     or Pooling Affiliates has taken or agreed to take any action, nor do its
     executive officers have any actual knowledge of any fact or circumstance,
     that would prevent Parent from accounting for the business combination to
     be effected by the Merger as a "pooling-of-interests" in accordance with
     APB No. 16 or prevent the Merger and the other transactions contemplated by
     this Agreement from qualifying as a "reorganization" within the meaning of
     Section 368(a) of the Code. It and its Subsidiaries have provided to its
     independent auditors all information requested by such auditors to assess
     whether the Merger can be properly accounted for as a "pooling of
     interests" in accordance with APB No. 16, and have fully cooperated with
     such auditors with respect to all reasonable requests made in connection
     with such assessment.

          (m) Taxes. It and its Subsidiaries have prepared in good faith and
     duly and timely filed (taking into account any extension of time within
     which to file) all material Tax Returns required to be filed by any of them
     at or before the Effective Time and all such filed Tax Returns are complete
     and accurate in all material respects. It and each of its Subsidiaries as
     of the Effective Time (x) will have paid all Taxes that they are required
     to pay prior to the Effective Time, and (y) will have withheld all federal,
     state and local income taxes, FICA, FUTA and other Taxes, including,
     without limitation, similar foreign Taxes, required to be withheld from
     amounts owing to any employee, creditor or other Person, except for such
     amounts that, individually or in the aggregate, are not reasonably likely
     to have a Material Adverse Effect on it. There are not, to the actual
     knowledge of its executive officers, any unresolved questions, claims or
     outstanding proposed or assessed deficiencies concerning its or any of its
     Subsidiaries' Tax liability that are reasonably likely to have a Material
     Adverse Effect on it. Neither it nor any of its

                                       20


<PAGE>



     Subsidiaries has any liability with respect to income, franchise or similar
     Taxes in excess of the amounts accrued in respect thereof that are
     reflected in the financial statements included in Reports, except such
     excess liabilities as are not, individually or in the aggregate, reasonably
     likely to have a Material Adverse Effect on it. No payments to be made to
     any of the officers and employees of it or its Subsidiaries will as a
     result of consummation of the Merger be subject to the deduction
     limitations under Section 280G of the Code.

     The term "Tax" (including, with correlative meaning, the terms "Taxes," and
"Taxable") includes all federal, state, local and foreign income, profits,
franchise, gross receipts, environmental, customs duty, capital stock,
severance, stamp, payroll, sales, employment, unemployment, disability, use,
property, withholding, excise, production, value added, occupancy and other
taxes, duties or assessments of any nature whatsoever, together with all
interest, penalties and additions imposed with respect to such amounts and any
interest in respect of such penalties and additions. The term "Tax Return"
includes all federal, state, local and foreign returns and reports (including
elections, declarations, disclosures, schedules, estimates and information
returns) required to be supplied to a Tax authority relating to Taxes.

          (n) Labor Matters. Neither the Company nor any of its Subsidiaries is
     the subject of any material proceeding asserting that the Company or any of
     its Subsidiaries has committed an unfair labor practice or is seeking to
     compel the Company to bargain with any labor union or labor organization
     nor is there pending or, to the actual knowledge of the Company's executive
     officers, threatened, nor has there been for the past five years, any labor
     strike, dispute, walkout, work stoppage, slow-down or lockout involving the
     Company or any of its Subsidiaries, except in each case as is not,
     individually or in the aggregate, reasonably likely to have a Material
     Adverse Effect on the Company.

          (o) Brokers and Finders. Neither it nor any of its officers, directors
     or employees has employed any broker or finder or incurred any liability
     for any brokerage fees, commissions or finders' fees in connection with the
     Merger or the other transactions contemplated in this Agreement except that
     (i) the Company has employed Credit Suisse First Boston Corporation as its
     financial advisor, the arrangements with which have been disclosed to
     Parent prior to the date of this Agreement, and (ii) Parent has employed
     Goldman, Sachs & Co. and Morgan Stanley Dean Witter & Co. as its financial
     advisors.

          (p) Rights Agreement. The Company has adopted an amendment to the
     Rights Agreement with the effect that neither Parent nor Merger Sub shall
     be deemed to be an Acquiring Person (as defined in the Rights Agreement)
     and the Distribution Date (as defined in the Rights Agreement) shall not be
     deemed to occur and that the Rights (as defined in the Rights Agreement)
     will not separate from the Company Shares, as a result of entering into
     this Agreement or the Stock Option Agreement or consummating the

                                       21


<PAGE>



     Merger and/or the other transactions contemplated by this Agreement and the
     Stock Option Agreement.

          (q) Intellectual Property Rights. The Company and its Subsidiaries own
     or have the right to use all intellectual property material to the conduct
     of their respective businesses (such intellectual property and such rights
     are collectively referred to as the "Company IP Rights") except for any
     such failures to own or have the right to use that, individually or in the
     aggregate, are not reasonably likely to have a Material Adverse Effect on
     the Company. Except in each case as is not, individually or in the
     aggregate, reasonably likely to have a Material Adverse Effect on the
     Company, neither the manufacture, marketing, license, export, sale or
     promoted use of any product by the Company or its Subsidiaries nor the
     current use by it or its Subsidiaries or licensees of the Company or its
     Subsidiaries of any Company IP Rights (A) violates any license or agreement
     between the Company or any of its Subsidiaries and any Person or (B)
     infringes any patents or other intellectual property rights of any other
     Person; and there is no pending or, to the actual knowledge of the
     Company's executive officers, threatened claim or litigation contesting the
     validity, ownership or right to use, sell, license or dispose of any
     Company IP Rights, or asserting that any Company IP Rights or the proposed
     use, sale, export, license or disposition of Company IP Rights, or the
     manufacture, use or sale of any products made using any Company IP Rights,
     conflicts or will conflict with the contractual or intellectual property
     rights of any other Person, other than any that would not, individually or
     in the aggregate, be reasonably likely to have a Material Adverse Effect on
     it.

          (r) Year 2000 Compliance. It has instituted processes and controls to
     attain Year 2000 Compliance, and the foreseeable expenses or other
     liabilities associated with the process of securing full Year 2000
     Compliance would not be reasonably likely to have a Material Adverse Effect
     on it. "Year 2000 Compliance" means, except for any noncompliance that,
     individually or in the aggregate would not be reasonably likely to cause a
     Material Adverse Effect on it, that such hardware or software used by it or
     any of its Subsidiaries including, but not limited to, microcode, firmware,
     system and application programs, files, databases, computer services, and
     microcontrollers, including those embedded in computer and non-computer
     equipment (the "Computer Systems") will not fail (because of a date change
     event resulting from a transition to the year 2000) to:

               (i) process date data consistently from, before and after January
          1, 2000;

               (ii) maintain functionality with respect to the introduction
          processing or output of records containing dates falling on or after
          January 1, 2000; and

                                       22


<PAGE>



               (iii) be interoperable with other Year 2000 Compliant software or
          hardware which may deliver records to, receive records from or
          interact with such Computer Systems in the course of conducting its
          business of, including processing data, manufacturing process control
          systems and manufacturing its products.

                                   ARTICLE VI

                                    Covenants

     6.1. Interim Operations.

     (a) The Company covenants and agrees as to itself and its Subsidiaries
that, after the date of this Agreement and prior to the Effective Time (unless
Parent shall otherwise approve in writing, which approval shall not be
unreasonably withheld or delayed, or except as otherwise expressly contemplated
by this Agreement, the Stock Option Agreement, disclosed in the Company
Disclosure Letter or required by applicable Law):

          (i) The business of it and its Subsidiaries shall be conducted in the
     ordinary and usual course and, to the extent consistent therewith, it and
     its Subsidiaries shall use their reasonable best efforts to preserve its
     business organization intact and maintain its existing relations and
     goodwill with customers, suppliers, regulators, distributors, creditors,
     lessors, licensors and licensees, employees and business associates;

          (ii) It shall not: (A) amend its certificate of incorporation or
     bylaws; (B) split, combine, subdivide or reclassify its outstanding shares
     of capital stock; (C) declare, set aside or pay any dividend payable in
     cash, stock or property in respect of any capital stock, other than regular
     quarterly cash dividends not in excess of $.225 per Company Share; or (D)
     repurchase, redeem or otherwise acquire, except in connection with
     commitments under or the express terms of the Company Stock Plans as in
     effect on the date of this Agreement but subject to the Company's
     obligations under subparagraph (iii) below, or permit any of its
     Subsidiaries to purchase or otherwise acquire, any shares of its capital
     stock or any securities convertible into or exchangeable or exercisable for
     any shares of its capital stock;

          (iii) Neither it nor any of its Subsidiaries shall take any action
     that would prevent the Merger from qualifying for "pooling-of-interests"
     accounting treatment in accordance with the requirements of APB No. 16 or
     as a "reorganization" within the meaning of Section 368(a) of the Code or
     that would cause any of its representations and warranties in this
     Agreement to become untrue in any material respect;

                                       23


<PAGE>



          (iv) Neither it nor any of its ERISA Affiliates shall: (A) make any
     contribution to the Company Benefits Protection Trust (the "Rabbi Trust")
     in excess of $5,000,000; (B) accelerate, amend or change the period of
     exerciseability of or terminate, establish, adopt, enter into, increase,
     make any new grants or awards of stock-based compensation or other benefits
     under any Compensation and Benefit Plans; (C) amend or otherwise modify or
     increase the benefits under any Compensation and Benefit Plans; or (D)
     increase the salary, wage, bonus or other cash compensation of any
     directors, officers or key employees, in the case of (B), (C) and (D),
     except for actions necessary to satisfy existing contractual obligations
     under Compensation and Benefit Plans existing as of the date of this
     Agreement and in the case of (D) except in the ordinary course of business
     and consistent with past practice and neither it nor any of its ERISA
     Affiliates shall take any actions that would or could have the effect of
     any of the foregoing; provided, however, that after the date of this
     Agreement and prior to the Effective Time, the Company may (I) establish a
     transition retention program which provides non-equity based retention
     incentives (not to exceed a maximum value of $20,000,000 in the aggregate),
     the criteria for which, including the criteria for the timing of payments
     thereunder, are reviewed in advance by Parent; (II) make new grants or
     awards of stock-based compensation to the extent permitted under Section
     6.1(a)(vii); (III) take actions to appoint the Administrative Committee
     under the Rabbi Trust and to establish reasonable compensation for members
     of the Administrative Committee who are not employees of the Company or its
     affiliates for services rendered as members of the Administrative
     Committee; and (IV) in the event that the Effective Time has not occurred
     prior to the next regularly scheduled meeting of the Company's shareholders
     and provided that the amendment would not prevent the Merger from
     qualifying for pooling-of-interest accounting treatment in accordance with
     APB No. 16, to seek approval from the Company's shareholders of an
     amendment to the 1997 Company Long-Term Incentive Plan to provide for the
     issuance of additional shares of Company Common Stock for grants and awards
     in the ordinary course of business and consistent with past practice as
     described in Section 6.1(a)(vii);

          (v) Neither it nor any of its Subsidiaries shall incur, repay or
     retire prior to maturity or refinance prior to maturity any indebtedness
     for borrowed money or guarantee any such indebtedness or issue, sell,
     repurchase or redeem prior to maturity any debt securities or warrants or
     rights to acquire any debt securities or guarantee any debt securities of
     others, in all such cases in excess of, in the aggregate, $500,000,000;

          (vi) Neither it nor any of its Subsidiaries shall make any capital
     expenditures in an aggregate amount in excess of the aggregate amount
     reflected in the Company's capital expenditure budget for the applicable
     fiscal year;

          (vii) Neither it nor any of its Subsidiaries shall issue, deliver,
     sell, pledge or encumber shares of any class of its capital stock or any
     securities convertible or

                                       24


<PAGE>



     exchangeable into, any rights, warrants or options to acquire, or any
     bonds, debentures, notes or other debt obligations having the right to vote
     or convertible into or exercisable for any such shares, provided, however,
     that the Company may award equity-based compensation under the Company
     Stock Plans provided such awards are made in the ordinary course of
     business and are consistent (including the value of such awards, determined
     on an individual basis) with past practices;

          (viii) Neither it nor any of its Subsidiaries shall consummate,
     authorize, propose or announce an intention to authorize or propose, or
     enter into an agreement with respect to, any merger, consolidation, joint
     venture or business combination (other than the Merger), or any purchase,
     sale, lease, license or other acquisition or disposition of any business or
     of a material amount of assets or securities except (in the case of assets)
     for transactions entered into in the ordinary and usual course of its
     business;

          (ix) It shall not make any material change in its accounting policies
     or procedures, other than any such change that is required by GAAP;

          (x) It shall not release, assign, settle or compromise any material
     claims or litigation or make any material tax election or settle or
     compromise any material federal, state, local or foreign tax liability; and

          (xi) Neither it nor any of its Subsidiaries shall authorize or enter
     into any agreement to do any of the foregoing.

     (b) Parent covenants and agrees as to itself and its Subsidiaries that,
after the date of this Agreement and prior to the Effective Time (unless the
Company shall otherwise approve in writing, which approval shall not be
unreasonably withheld or delayed, or except as otherwise expressly contemplated
by this Agreement, disclosed in the Parent Disclosure Letter or required by
applicable Law):

          (i) It shall not: (A) reclassify its outstanding shares of capital
     stock; or (B) declare, set aside or pay any dividend payable in cash, stock
     (other than Parent Common Stock) or property in respect of any capital
     stock, except (x) for regular quarterly cash dividends not in excess of
     $.87 per share of Parent Common Stock, or (y) for a dividend that would be
     received by the holders of the Company Common Stock on an equivalent basis
     per share of Parent Common Stock after the Effective Time;

          (ii) Neither it nor any of its Subsidiaries shall take any action that
     would prevent the Merger from qualifying for "pooling-of-interest"
     accounting treatment in accordance with the requirements of APB No. 16 or
     as a "reorganization" within the meaning of Section 368(a) of the Code or
     that would cause any of its representations and warranties in this
     Agreement to become untrue in any material respect;

                                       25


<PAGE>



          (iii) It shall not make acquisitions of businesses or enter into any
     joint ventures, except for acquisitions of businesses or joint ventures
     engaged in businesses of the type listed in Section 6.1(b)(iii) of the
     Parent Disclosure Letter. If Parent seeks the consent of the Company to
     make other acquisitions of businesses or enter into other joint ventures,
     the decision whether to grant such consent shall be made solely by the
     Company's Chief Executive Officer, who shall treat any information provided
     to him in connection with the request confidentially and shall not share
     such information, or the fact of the request, with any other Person;
     provided, however, that the Company's Chief Executive Officer may share
     such information, and disclose the fact of the request, with such of the
     Company's outside legal advisors as are reasonably necessary to enable the
     Chief Executive Officer to make an informed decision with respect to the
     requested consent.

          (iv) Neither it nor any of its Subsidiaries shall authorize or enter
     into any agreement to do any of the foregoing.

     (c) Parent and the Company agree that any written approval obtained under
this Section 6.1 must be signed by the Chief Executive Officer or Chief
Financial Officer if signing for Parent and by the Chief Executive Officer if
signing for the Company.

     6.2. Acquisition Proposals.

     (a) The Company agrees that neither it nor any of its Subsidiaries nor any
of the officers and directors of it or its Subsidiaries shall, and that it shall
direct and use its best efforts to cause its and its Subsidiaries' employees,
agents and representatives (including any investment banker, attorney or
accountant retained by it or any of its Subsidiaries) (the Company, its
Subsidiaries and their officers, directors, employees, agents and
representatives being the "Company Representatives") not to, directly or
indirectly, initiate, solicit, encourage or otherwise facilitate any inquiries
or the making of any proposal or offer with respect to a merger, reorganization,
share exchange, consolidation, business combination, recapitalization,
liquidation, dissolution or similar transaction involving it, or any purchase or
sale of the consolidated assets (including without limitation stock of
Subsidiaries) of it or any of its Subsidiaries, taken as a whole, having an
aggregate value equal to 20% or more of its market capitalization, or any
purchase or sale of, or tender or exchange offer for, 20% or more of its or any
of its Subsidiaries' equity securities (any such proposal or offer being
referred to as an "Acquisition Proposal"). The Company further agrees that
neither it nor any of its Subsidiaries nor any of the officers and directors of
it or its Subsidiaries shall, and that it shall direct and use its best efforts
to cause the Company Representatives not to, directly or indirectly, have any
discussion with or provide any confidential information or data to any Person
relating to or in contemplation of an Acquisition Proposal or engage in any
negotiations concerning an Acquisition Proposal, or otherwise facilitate any
effort or attempt to make or implement an Acquisition Proposal; provided,
however, that nothing contained in this Agreement shall prevent

                                       26


<PAGE>



either the Company or its Board of Directors from (A) complying with Rule 14e-2
promulgated under the Exchange Act with regard to an Acquisition Proposal; (B)
engaging in any discussions or negotiations with or providing any information
to, any Person in response to an unsolicited bona fide written Acquisition
Proposal by any such Person; or (C) recommending such an unsolicited bona fide
written Acquisition Proposal to the shareholders of the Company if and only to
the extent that, with respect to the actions referred to in clauses (B) or (C),
(i) the Board of Directors of the Company concludes in good faith (after
consultation with its outside legal counsel and its financial advisor) that such
Acquisition Proposal is reasonably capable of being completed, taking into
account all legal, financial, regulatory and other aspects of the proposal and
the Person making the proposal, and would, if consummated, result in a
transaction more favorable to the Company's shareholders from a financial point
of view than the transaction contemplated by this Agreement, (any such more
favorable Acquisition Proposal being referred to as a "Superior Proposal") (ii)
the Board of Directors of the Company determines in good faith after
consultation with outside legal counsel that such action is necessary for the
Board of Directors to comply with its fiduciary duties to the Company's
shareholders under applicable Law and (iii) prior to providing any information
or data to any Person in connection with an Acquisition Proposal by any such
Person, the Board of Directors of the Company shall receive from such Person an
executed confidentiality agreement on terms substantially similar to those
contained in the Confidentiality Agreement; provided, that such confidentiality
agreement shall contain terms that allow the Company to comply with its
obligations under this Section 6.2.

     (b) The Company agrees that it will immediately cease and cause to be
terminated any existing activities, discussions or negotiations with any parties
conducted heretofore with respect to any Acquisition Proposal. The Company
agrees that it will take the necessary steps to promptly inform each Company
Representative of the obligations undertaken in Section 6.2(a). The Company
agrees that it will notify Parent promptly (in any event, within 24 hours) if
any such inquiries, proposals or offers are received by, any such information is
requested from, or any such discussions or negotiations are sought to be
initiated or continued with, any Company Representative indicating, in
connection with such notice, the name of such Person making such inquiry,
proposal, offer or request and the substance of any such inquiries, proposals or
offers. The Company thereafter shall keep Parent informed, on a reasonably
current basis, of the status and terms of any such inquiries, proposals or
offers and the status of any such inquiries, proposals or offers and the status
of any such discussions or negotiations. The Company also agrees that it will
promptly request each Person that has heretofore executed a confidentiality
agreement in connection with its consideration of any Acquisition Proposal to
return or destroy all confidential information heretofore furnished to such
Person by or on behalf of the Company or any of its Subsidiaries.

     6.3. Information Supplied. The Company and Parent each agrees, as to itself
and its Subsidiaries, that none of the information supplied or to be supplied by
it or its Subsidiaries for inclusion or incorporation by reference in (i) the
Registration Statement on Form S-4 to be filed with the SEC by Parent in
connection with the issuance of shares of Parent Common Stock in the

                                       27


<PAGE>



Merger (including the joint proxy statement and prospectus (the
"Prospectus/Proxy Statement") constituting a part thereof) (the "S-4
Registration Statement") will, at the time the S-4 Registration Statement
becomes effective under the Securities Act, and (ii) the Prospectus/Proxy
Statement and any amendment or supplement thereto will, at the date of mailing
to shareholders and at the time of the meeting of shareholders of the Company to
be held in connection with the Merger, in any such case, contain any untrue
statement of a material fact or omit to state any material fact required to be
stated therein or necessary in order to make the statements therein, in light of
the circumstances under which they were made, not misleading. If at any time
prior to the Effective Time any information relating to Parent or the Company,
or any of their respective affiliates (as defined in SEC Rule 12b-2), officers
or directors, is discovered by Parent or the Company which should be set forth
in an amendment or supplement to any of the S-4 Registration Statement or the
Prospectus/Proxy Statement, so that any of such documents would not include any
misstatement of a material fact or would omit to state any material fact
required to be stated therein or necessary to make the statements therein, in
the light of the circumstances under which they were made, not misleading, the
party which discovers such information shall promptly notify the other parties
to this Agreement and an appropriate amendment or supplement describing such
information shall be promptly filed with the SEC and, to the extent required by
law, disseminated to the shareholders of the Company.

     6.4. Shareholders Meeting. The Company will take, in accordance with
applicable Law and its certificate of incorporation and bylaws, all action
necessary to convene a meeting of holders of Company Shares (the "Shareholders
Meeting") as promptly as practicable after the S-4 Registration Statement is
declared effective to consider and vote upon the adoption of this Agreement and
Merger. The Company's Board of Directors shall (i) recommend that the
shareholders of the Company adopt this Agreement and thereby approve the
transactions contemplated by this Agreement and (ii) take all lawful action
(including the solicitation of proxies) to solicit such adoption; provided,
however, that the Company's Board of Directors may, at any time prior to the
Effective Time, withdraw, modify or change any such recommendation to the extent
that the Company's Board of Directors determines in good faith, after
consultation with outside legal counsel, that such withdrawal, modification or
change of its recommendation is necessary to comply with its fiduciary duties to
the Company's shareholders under applicable Law.

     6.5. Filings; Other Actions; Notification.

     (a) Parent and the Company shall promptly prepare and file with the SEC the
Prospectus/Proxy Statement, and Parent shall prepare and file with the SEC the
S-4 Registration Statement as promptly as practicable. Parent and the Company
each shall use its reasonable best efforts to have the S-4 Registration
Statement declared effective under the Securities Act as promptly as practicable
after such filing, and promptly thereafter mail the Prospectus/Proxy Statement
to the shareholders of the Company. Parent shall also use its reasonable best
efforts to obtain prior to the effective date of the S-4 Registration Statement
all necessary state securities

                                       28


<PAGE>



law or "blue sky" permits and approvals required in connection with the Merger
and the other transactions contemplated by this Agreement and will pay all
expenses incident thereto.

     (b) The Company and Parent each shall use its respective reasonable best
efforts to cause to be delivered to the other party and its directors a letter
of its independent auditors, dated (i) the date on which the S-4 Registration
Statement shall become effective and (ii) the Closing Date, and addressed to the
other party and its directors, in form and substance customary for "comfort"
letters delivered by independent public accountants in connection with
registration statements similar to the S-4 Registration Statement.

     (c) The Company and Parent shall cooperate with each other and, subject to
Sections 6.5(d) and (e), use (and shall cause their respective Subsidiaries to
use) their respective reasonable best efforts (and, with respect to the
satisfaction of the condition set forth in Section 7.1(f), and, except as set
forth in the proviso to this sentence, Competition Law matters, their respective
best efforts) (i) to take or cause to be taken all actions, and do or cause to
be done all things, necessary, proper or advisable on their part under this
Agreement and the Stock Option Agreement and applicable Laws to consummate and
make effective the Merger and the other transactions contemplated by this
Agreement and the Stock Option Agreement as soon as practicable, including (A)
obtaining opinions of their respective accountants and attorneys referred to in
Section 6.16 and Article VII of this Agreement, and, in the case of Parent,
causing the issuance of that number of shares of Parent Common Stock currently
held as treasury stock as shall be necessary to satisfy the condition set forth
in Section 7.1(f), (B) preparing and filing as promptly as practicable all
documentation to effect all necessary applications, notices, petitions, filings
and other documents, (C) engaging in active negotiations with the relevant
Governmental Entities with respect to Competition Law matters and, subject to
the limits set forth in the proviso to this sentence, resolving the concerns, if
any, of those Governmental Entities and (D) promptly instituting proceedings
(including, if necessary, court actions) necessary to obtain the approvals
required to consummate the Merger or the other transactions contemplated by this
Agreement and the Stock Option Agreement or defending or otherwise opposing all
court actions and other proceedings instituted by a Governmental Entity or other
Person under the Competition Laws or otherwise for purposes of delaying,
restraining, enjoining or otherwise preventing the consummation of the Merger
and the other transactions contemplated by this Agreement and the Stock Option
Agreement and to take all steps necessary to vacate, modify or suspend any Order
so as to permit consummation of the Merger and the transactions contemplated by
this Agreement or the Stock Option Agreement on a schedule as close as possible
to that contemplated by this Agreement and the Stock Option Agreement and (ii)
to obtain as promptly as practicable all consents, registrations, approvals,
permits and authorizations necessary or advisable to be obtained from any Person
and/or any Governmental Entity in order to satisfy the conditions in Article VII
and to consummate the Merger and the other transactions contemplated by this
Agreement and the Stock Option Agreement; provided, however, that,
notwithstanding anything to the contrary in this Agreement, neither Parent nor
any of its Subsidiaries shall be required to agree (with respect to (x) Parent
or its Subsidiaries or (y) the Company or its

                                       29


<PAGE>



Subsidiaries) to any divestitures, licenses, hold separate arrangements or
similar matters in order to obtain approval of the transactions contemplated by
this Agreement and the Stock Option Agreement under applicable Competition Laws
if such divestitures, licenses, arrangements or matters would reasonably be
expected to have a material adverse effect on the financial condition, assets
and liabilities (taken together) or business of Parent and its Subsidiaries and
the Company and its Subsidiaries on a combined basis. Subject to applicable laws
relating to the exchange of information, Parent and the Company shall have the
right to review in advance, and to the extent practicable each will consult the
other on, all the information relating to Parent or the Company, as the case may
be, and any of their respective Subsidiaries, that appear in any filing made
with, or written materials submitted to, any third party and/or any Governmental
Entity in connection with the Merger and the other transactions contemplated by
this Agreement and the Stock Option Agreement. The Company shall have the right
to have its representatives present during any meetings or substantive telephone
discussions with representatives of Governmental Entities with respect to
Competition Law matters; provided, however, that Parent's representatives shall
control all discussions, and the Company's representatives shall not initiate
discussions, with representatives of Governmental Entities with respect to
Competition Law matters and will, if contacted by a Governmental Entity,
delegate control to Parent. Without limiting the generality of the preceding
sentence, Parent shall keep the Company informed, on a reasonably current basis,
of the status of discussions and communications between Parent's representatives
and any Governmental Entity with respect to Competition Law matters. In
exercising the foregoing right, each of the Company and Parent shall act
reasonably and as promptly as practicable.

     (d) The Company shall not, without Parent's prior written consent, commit
to any divestitures, licenses, hold separate arrangements or similar matters (or
allow its Subsidiaries to commit to any divestitures, licenses, hold separate
arrangements or similar matters), and the Company shall commit to, and shall use
best efforts to effect (and shall cause its Subsidiaries to commit to and use
efforts to effect), any such divestitures, licenses, hold separate arrangements
or matters as Parent shall request in order to obtain approval of the
transactions contemplated by this Agreement and the Stock Option Agreement under
applicable Competition Laws.

     (e) Notwithstanding anything to the contrary in this Agreement, nothing in
this Section 6.5 or any other part of this Agreement shall require Parent to
refrain from entering into any agreement with respect to, or issuing Parent
Common Stock or other consideration in connection with, a business acquisition
or joint venture permitted under Section 6.1(b)(iii) (a "Subsequent
Transaction"), and such actions by Parent shall not cause a breach of this
Agreement. In the event of a Subsequent Transaction, Parent shall agree to any
divestitures, licenses, hold separate arrangements or similar matters necessary
in order to lawfully consummate the transactions contemplated by this Agreement
under applicable Competition Laws that would not otherwise have been required in
order to obtain such approval but for the Subsequent Transaction.

                                       30


<PAGE>



     (f) The Company and Parent each shall, upon request by the other, furnish
the other with all information concerning itself, its Subsidiaries, directors,
officers and shareholders and such other matters as may be reasonably necessary
or advisable in connection with the Prospectus/Proxy Statement, the S-4
Registration Statement or any other statement, filing, notice or application
made by or on behalf of Parent, the Company or any of their respective
Subsidiaries to any third party and/or any Governmental Entity in connection
with the Merger and the transactions contemplated by this Agreement and the
Stock Option Agreement.

     (g) The Company and Parent each shall keep the other apprised of the status
of matters relating to completion of the transactions contemplated by this
Agreement and the Stock Option Agreement, including promptly furnishing the
other with copies of notice or other communications received by Parent or the
Company, as the case may be, or any of its Subsidiaries, from any third party
and/or any Governmental Entity with respect to the Merger and the other
transactions contemplated by this Agreement and the Stock Option Agreement. Each
of the Company and Parent shall give prompt notice to the other of any change
that is reasonably likely to result in a Material Adverse Effect on it or of any
failure of any conditions to the other party's obligations to effect the Merger
set forth in Article VII.

     6.6. Access; Consultation.

     (a) Upon reasonable notice, and except as may be prohibited by applicable
Law, the Company and Parent each shall (and shall cause its Subsidiaries to)
afford Parent's and its Subsidiaries' employees, agents and representatives
(including any investment banker, attorney or accountant retained by Parent or
any of its Subsidiaries) or the Company Representatives, as the case may be,
reasonable access, during normal business hours throughout the period prior to
the Effective Time, to its properties, books, contracts and records and, during
such period, each shall (and shall cause its Subsidiaries to) furnish promptly
to the other all information concerning its business, properties and personnel
as may reasonably be requested, provided that no investigation pursuant to this
Section shall affect or be deemed to modify any representation or warranty made
by the Company, Parent or Merger Sub under this Agreement, and provided,
further, that the foregoing shall not require the Company or Parent to permit
the other party to conduct any environmental testing or sampling or to permit
any inspection, or to disclose any information, that in the reasonable judgment
of the Company or Parent, as the case may be, would be in violation of
applicable Law or result in the disclosure of any trade secrets of third parties
or violate any of its obligations with respect to confidentiality if the Company
or Parent, as the case may be, shall have used all reasonable efforts to obtain
the consent of such third party to such inspection or disclosure. All requests
for information made pursuant to this Section shall be directed to such
executive officers of the Company or Parent, as the case may be, as shall be
designated from time to time by the Company or Parent as the case may be.

                                       31


<PAGE>



     (b) Subject to applicable Laws relating to the exchange of information,
from the date of this Agreement to the Effective Time, Parent and the Company
agree to consult with each other on a regular basis on a schedule to be agreed
with regard to their respective operations.

     6.7. Affiliates. Each of the Company and Parent shall deliver to the other
a letter identifying all Persons whom such party believes to be, at the date of
the Shareholders Meeting, affiliates of such party for purposes of applicable
interpretations regarding use of the pooling-of-interests accounting method
("Pooling Affiliates") and, in the case of the Company, affiliates of the
Company for purposes of Rule 145 under the Securities Act ("Rule 145
Affiliates"). Each of the Company and Parent shall use all reasonable efforts to
cause each Person who is identified as a Pooling Affiliate or Rule 145 Affiliate
in the letter referred to above to deliver to Parent on or prior to the date of
the Shareholders Meeting a written agreement, in the form attached as Exhibit A,
in the case of a Pooling Affiliate or Rule 145 Affiliate of the Company (the
"Company Affiliate's Letter"), and Exhibit B, in the case of a Pooling Affiliate
of Parent (the "Parent Affiliate's Letter"). Prior to the Effective Time, each
of the Company and Parent shall use all reasonable efforts to cause each
additional Person who is identified as a Pooling Affiliate or Rule 145 Affiliate
after the date of the Shareholders Meeting to execute the applicable written
agreement as set forth in this Section 6.7, as soon as practicable after such
Person is identified; provided, however, that no such Person shall be required
to execute such letter as an affiliate of a party if such Person is identified
by the other Party and the other Party receives, on or before the date of the
Shareholders Meeting, an opinion of counsel, reasonably acceptable to Parent, to
the effect that such Person is not an affiliate.

     6.8. Stock Exchange Listing and De-listing. To the extent they are not
already listed, Parent shall use its best efforts to cause the shares of Parent
Common Stock to be issued in the Merger to be approved for listing on the New
York Stock Exchange ("NYSE") and on all other stock exchanges on which shares of
Parent Common Stock are then listed, subject to official notice of issuance,
prior to the Closing Date. The Surviving Corporation shall use its reasonable
best efforts to cause the Company Shares to be de-listed from the NYSE, the
Chicago and the Pacific stock exchanges and de-registered under the Exchange Act
as soon as practicable following the Effective Time.

     6.9. Publicity. The initial press release with respect to the Merger shall
be a joint press release. Thereafter the Company and Parent shall consult with
each other prior to issuing any press releases or otherwise making public
announcements with respect to the Merger and the other transactions contemplated
by this Agreement and prior to making any filings with any third party and/or
any Governmental Entity (including any securities exchange) with respect
thereto, except as may be required by law or by obligations pursuant to any
listing agreement with or rules of any securities exchange.

                                       32


<PAGE>



     6.10. Benefits.

     (a) Stock Options.

          (i) At the Effective Time, each outstanding option to purchase Company
     Shares (a "Company Option") under the Company Stock Plans, whether vested
     or unvested, shall be converted to an option to acquire, on the same terms
     and conditions as were applicable under such Company Option, the same
     number of shares of Parent Common Stock as the holder of such Company
     Option would have been entitled to receive pursuant to the Merger had such
     holder exercised such Company Option in full immediately prior to the
     Effective Time (rounded down to the nearest whole number) (a "Substitute
     Option"), at an exercise price per share (rounded to the nearest whole
     cent) equal to (y) the aggregate exercise price for the Company Shares
     otherwise purchasable pursuant to such Company Option divided by (z) the
     number of full shares of Parent Common Stock deemed purchasable pursuant to
     such Company Option in accordance with the foregoing.

          (ii) As promptly as practicable after the Effective Time, the Company
     shall deliver to the participants in the Company Stock Plans appropriate
     notices setting forth such participants' rights pursuant to the Substitute
     Options.

     (b) Share Units. At or prior to the Effective Time, the Company shall make
all necessary arrangements to cause any Company Share units under the Company's
Compensation and Benefit Plans to be converted into share units with respect to
Parent Common Stock by multiplying the Company Shares subject to such Company
Share units by the Exchange Ratio.

     (c) Restricted Stock. At the Effective Time, each Company Share which is
subject to restrictions or forfeiture risks (a "Restricted Share") under the
Company Stock Plans shall be converted to the same number of shares of Parent
Common Stock as the holder of such Restricted Share would have been entitled to
receive pursuant to the Merger had the Restricted Share not been subject to
restrictions or forfeiture risks immediately prior to the Effective Time
(rounded to the nearest whole cent), which shares of Parent Common Stock shall
be subject to the restrictions and forfeiture risks as set forth in the 1997
Long Term Incentive Plan ("Substitute Restricted Shares").

     (d) Conversion and Registration. At or prior to the Effective Time, the
Company shall make all necessary arrangements with respect to the Company Stock
Plans to permit the conversion of the unexercised Company Options into
Substitute Options, the conversion of Restricted Shares into Substitute
Restricted Shares and the conversion of Company Share units to share units with
respect to Parent Common Stock pursuant to this Section and, as soon as
practicable after the Effective Time, Parent shall use its reasonable best
efforts to register under the Securities Act on Form S-8 or other appropriate
form (and use its best efforts to maintain the

                                       33


<PAGE>


effectiveness thereof) shares of Parent Common Stock issuable pursuant to all
Substitute Options, Substitute Restricted Shares and share units with respect to
Parent Common Stock and shares of Parent Common Stock under the SIP and the
ESOP.

     (e) Phantom Stock Awards. After the Effective Time, the Company shall make
all necessary arrangements to cause any phantom equity awards (such as phantom
stock options or phantom stock units) under the Company's Compensation and
Benefits Plans to be converted into phantom equity awards with respect to Parent
Common Stock by applying the same general principles described in Sections
6.10(a), (b) and (c) above, as applicable.

     (f) For a period of at least two years following the Effective Time, to the
extent permitted by applicable Law, Parent shall, and shall cause the Surviving
Corporation to, provide employees of the Surviving Corporation with wages,
salaries and employee benefits (including benefits under the Company ESOP and
the Retirement Program Plan for the Employees of Union Carbide Corporation and
its Participating Subsidiary Companies) which, in the aggregate, are not
materially less favorable to those applicable to employees of the Company
immediately prior to the Effective Time; provided, however, that Parent may make
modifications to equity-based (or phantom equity-based) compensation
arrangements to reflect the transactions contemplated by this Agreement.
Notwithstanding anything in the preceding sentence to the contrary, for the
period beginning on the Effective Time and ending two years following the
Effective Time, to the extent permitted by applicable Law, Parent shall, or
shall cause the Company to, make available to individuals who were Company
Employees eligible to participate in the Company ESOP as of the Effective Time,
a defined contribution plan (as defined in section 3(34) of ERISA), which is
intended to be qualified under section 401(a) of the Code, which provides
eligibility conditions not materially less favorable than those of the Company
ESOP and which provides for employer matching contributions equal to at least
5.625% of eligible compensation deferred by participants pursuant to the terms
of the plan. If within two years after the Effective Time a new defined benefit
plan is implemented in place of the Retirement Program Plan or if the benefits
under the Retirement Program Plan are reduced (the "Change Date") then for all
participants in the Retirement Program Plan as of the Change Date, the benefits
thereunder shall be grandfathered for a period of two years following the
Effective Time.

     (g) Prior to the Effective Time, the Company shall take all actions
necessary to amend the Rabbi Trust to eliminate any requirements to make
contributions thereto at or after the Effective Time.

     (h) At the Effective Time, the Company, subject to the approval of the
Chairman, President and Chief Executive Officer of the Company, after
consultation with the President and Chief Executive Officer of Parent, may take
such actions as it deems appropriate with respect to awards under the 1997
Company EPS Incentive Plan (the "EPS Plan"), provided, however, that in no event
shall the aggregate payments made and benefits provided under the EPS Plan
exceed $25,000,000.

                                       34


<PAGE>



     (i) At any time after the Effective Time that an individual who is an
employee of the Company as of the Effective Time (each a "Company Employee")
becomes an employee of Parent or otherwise becomes entitled to participate in
any employee benefit plans, programs, policies and arrangements of Parent (each
a "Parent Plan"), such Company Employee shall be given credit for his service
under such Parent Plan for his service recognized by the Company for similar
purposes; provided, however, that the foregoing provisions of this Section
6.10(i) shall not require any Company Employee to be given credit under the
Parent Plans for his service prior to the Effective Time (i) to the extent that
such service credit would result in the duplication of benefits, or (ii) to the
extent that such service would not be recognized for similarly situated
employees of Parent.

     6.11. Expenses. The Surviving Corporation shall pay all charges and
expenses, including those of the Exchange Agent, in connection with the
transactions contemplated in Article IV, and parent shall reimburse the
Surviving Corporation for such charges and expenses. The expenses incurred in
connection with the filing fee for the S-4 Registration Statement, printing and
mailing the Prospectus/Proxy Statement, the S-4 Registration Statement and the
filing fees under the HSR Act and any other Competition Law filings shall be
paid by the Parent. Whether or not the Merger is consummated, all costs and
expenses incurred in connection with this Agreement and the Merger and the other
transactions contemplated by this Agreement shall be paid by the party incurring
such expense, except as set forth in the two preceding sentences.

     6.12. Indemnification; Directors' and Officers' Insurance.

     (a) For six years from and after the Effective Time, Parent will cause the
Surviving Corporation to indemnify and hold harmless each present and former
director and officer of the Company (solely when acting in such capacity)
determined as of the Effective Time (the "Indemnified Parties"), against any
costs or expenses (including reasonable attorneys' fees), judgments, fines,
losses, claims, damages or liabilities (collectively, "Costs") incurred in
connection with any claim, action, suit, proceeding or investigation, whether
civil, criminal, administrative or investigative, arising out of or pertaining
to matters existing or occurring at or prior to the Effective Time, whether
asserted or claimed prior to, at or after the Effective Time, to the fullest
extent that the Company would have been permitted under New York law and its
certificate of incorporation or bylaws in effect on the date of this Agreement
to indemnify such Person (and the Surviving Corporation shall also advance
expenses as incurred to the fullest extent permitted under applicable law,
provided the Person to whom expenses are advanced provides an undertaking to
repay such advances if it is ultimately determined that such Person is not
entitled to indemnification).

     (b) Any Indemnified Party wishing to claim indemnification under paragraph
(a) of this Section 6.12 shall promptly notify the Surviving Corporation, upon
learning of any such claim, action, suit, proceeding or investigation, but the
failure to so notify shall not relieve the Surviving Corporation of any
liability it may have to such Indemnified Party if such failure does

                                       35


<PAGE>



not materially prejudice the Surviving Corporation. In the event of any such
claim, action, suit, proceeding or investigation (whether arising before or
after the Effective Time), (i) the Surviving Corporation shall have the right to
assume the defense thereof and the Surviving Corporation shall not be liable to
such Indemnified Parties for any legal expenses of other counsel or any other
expenses subsequently incurred by such Indemnified Parties in connection with
the defense thereof, except that if the Surviving Corporation elects not to
assume such defense or counsel for the Indemnified Parties advises that there
are issues which raise conflicts of interest between the Surviving Corporation
and the Indemnified Parties, the Indemnified Parties may retain counsel
satisfactory to them, and the Surviving Corporation shall pay all reasonable
fees and expenses of such counsel for the Indemnified Parties promptly as
statements therefor are received; provided, however, that the Surviving
Corporation shall be obligated pursuant to this paragraph (b) to pay for only
one firm of counsel for all Indemnified Parties in any jurisdiction (unless
there is such a conflict of interest), (ii) the Indemnified Parties will
cooperate in the defense of any such matter and (iii) the Surviving Corporation
shall not be liable for any settlement effected without its prior written
consent.

         (c) The Surviving Corporation shall maintain a policy of officers' and
directors' liability insurance for acts and omissions occurring prior to the
Effective Time ("D&O Insurance") with coverage in amount and scope at least as
favorable as the Company's existing directors' and officers' liability insurance
coverage for a period of six years after the Effective Time; provided, however,
if the existing D&O Insurance expires, is terminated or canceled, or if the
annual premium therefor is increased to an amount in excess of 175% of the last
annual premium paid prior to the date of this Agreement (the "Current Premium"),
in each case during such six year period, the Surviving Corporation will use its
best efforts to obtain D&O Insurance in an amount and scope as great as can be
obtained for the remainder of such period for a premium not in excess (on an
annualized basis) of 175% of the Current Premium. The provisions of this Section
6.12(c) shall be deemed to have been satisfied if prepaid policies have been
obtained by the Company prior to the Closing, which policies provide such
directors and officers with coverage for an aggregate period of six years with
respect to claims arising from facts or events that occurred on or before the
Effective Time, including, without limitation, in respect of the transactions
contemplated by this Agreement and for a premium not in excess of the aggregate
of the premiums set forth in the preceding sentence. If such prepaid policies
have been obtained by the Company prior to the Closing, Parent shall and shall
cause the Surviving Corporation to maintain such policies in full force and
effect, and continue to honor the Company's obligations thereunder.

     (d) Parent shall cause the Surviving Corporation to perform its obligations
under this Section 6.12 and shall, in addition, guarantee, as co-obligor with
the Surviving Corporation, the performance of such obligations by the Surviving
Corporation subject to the limits imposed on the Surviving Corporation under the
NYBCL.

                                       36


<PAGE>



     (e) If the Parent or the Surviving Corporation or any of their respective
successors or assigns (i) shall consolidate with or merge into any other
corporation or entity and shall not be the continuing or surviving corporation
or entity of such consolidation or merger or (ii) shall transfer all or
substantially all of its properties and assets to any individual, corporation or
other entity, then and in each such case, proper provisions shall be made so
that the successors and assigns of the Parent or the Surviving Corporation, as
the case may be, shall assume all of the obligations set forth in this Section.

     (f) The provisions of this Section are intended to be for the benefit of,
and shall be enforceable by, each of the Indemnified Parties, their heirs and
their representatives.

     (g) The provisions of this Section shall be in addition to and shall not be
deemed to abrogate, terminate, amend, modify, limit or otherwise affect any
existing agreements regarding indemnification between the Company and any
Indemnified Party.

     6.13. Takeover Statute. If any Takeover Statute is or may become applicable
to the Merger or the other transactions contemplated by this Agreement or the
Stock Option Agreement, each of Parent and the Company and their respective
Boards of Directors shall grant such approvals and take such actions as are
necessary so that such transactions may be consummated as promptly as
practicable on the terms contemplated by this Agreement or by the Merger and
otherwise act to eliminate or minimize the effects of such statute or regulation
on such transactions. The Company's Board of Directors shall take all actions,
including the adoption of any resolutions, as may be necessary or reasonably
requested by Parent to assure that any Charter and Bylaw Provisions are, and at
the Effective Time will be, inapplicable to the Merger and the other
transactions contemplated by this Agreement or the Stock Option Agreement.

     6.14. Dividends. The Company shall coordinate with Parent the declaration,
setting of record dates and payment dates of dividends on Company Shares so that
holders of Company Shares do not receive dividends on both Company Shares and
Parent Common Stock received in the Merger in respect of any calendar quarter or
fail to receive a dividend on either Company Shares or Parent Common Stock
received in the Merger in respect of any calendar quarter.

     6.15. Confidentiality. The Company and Parent each acknowledges and
confirms that it has entered into a Confidentiality Agreement, dated October 19,
1998, as amended on July 28, 1999 (the "Confidentiality Agreement"), and that
the Confidentiality Agreement shall remain in full force and effect in
accordance with its terms; provided, however, that paragraph 10 of the
Confidentiality Agreement shall not prevent the consummation of the transactions
contemplated in this Agreement and the Stock Option Agreement.

     6.16. Tax-Free Reorganization. Parent, Merger Sub, and the Company shall
each use its best efforts to cause the Merger to be treated as a reorganization
with the meaning of

                                       37


<PAGE>



Section 368(a) of the Code, and the Company shall use its reasonable best
efforts to obtain an opinion of its counsel as contemplated by Section 7.3(c).

                                   ARTICLE VII

                                   Conditions

     7.1. Conditions to Each Party's Obligation to Effect the Merger. The
respective obligation of each party to effect the Merger is subject to the
satisfaction or waiver, if applicable, at or prior to the Effective Time of each
of the following conditions:

          (a) Shareholder Approval. This Agreement shall have been duly adopted
     by holders of Company Shares constituting the Company Requisite Vote;

          (b) Intentionally Omitted.

          (c) HSR and Competition Laws. The waiting period applicable to the
     consummation of the Merger under the HSR Act shall have expired or been
     terminated and any consents to the transactions contemplated under this
     Agreement required under the European Community Merger Control Regulation
     or other applicable Competition Laws shall have been obtained;

          (d) Laws and Orders. No Governmental Entity of competent jurisdiction
     shall have enacted, issued, promulgated, enforced or entered any Law
     (whether temporary, preliminary or permanent) that is in effect and
     restrains, enjoins or otherwise prohibits consummation of the Merger or the
     other transactions contemplated by this Agreement (an "Order"), no
     Governmental Entity shall have instituted any proceeding and no senior
     official of any Governmental Entity in the United States shall then be
     threatening to institute any proceeding seeking any such Order;

          (e) S-4. The S-4 Registration Statement shall have become effective
     under the Securities Act. No stop order suspending the effectiveness of the
     S-4 Registration Statement shall have been issued, and no proceedings for
     that purpose shall have been initiated or be threatened by the SEC; and

          (f) Pooling. The following has occurred: (i) Parent shall have
     received a letter from its independent public accounting firm to the effect
     that no conditions exist that could preclude accounting for the Merger "as
     a pooling-of-interests", (ii) the Company shall have received a letter from
     its independent public accounting firm to the effect that such accounting
     firm knows of no reason why the Merger should not receive
     pooling-of-interests accounting treatment, and (iii) Parent and the Company
     shall each be

                                       38


<PAGE>



     reasonably satisfied that the Merger will qualify for pooling-of-interests
     accounting treatment.

     7.2. Conditions to Obligations of Parent and Merger Sub. The obligations of
Parent and Merger Sub to effect the Merger are also subject to the satisfaction
or waiver by Parent at or prior to the Effective Time of the following
conditions:

          (a) Representations and Warranties. The representations and warranties
     of the Company set forth in this Agreement (i) to the extent qualified by
     Material Adverse Effect shall be true and correct and (ii) to the extent
     not qualified by Material Adverse Effect shall be true and correct in all
     material respects, in the case of each of (i) and (ii) as of the date of
     this Agreement and (except to the extent such representations and
     warranties speak as of an earlier date) as of the Closing Date as though
     made on and as of the Closing Date, and Parent shall have received a
     certificate signed on behalf of the Company by an executive officer of the
     Company to such effect;

          (b) Performance of Obligations of the Company. The Company shall have
     performed in all material respects all obligations required to be performed
     by it under this Agreement at or prior to the Closing Date, and Parent
     shall have received a certificate signed on behalf of the Company by an
     executive officer of the Company to such effect; and

          (c) Required Consents. The Company shall have obtained each of the
     Company Required Consents.

     7.3. Conditions to Obligation of the Company. The obligation of the Company
to effect the Merger is also subject to the satisfaction or waiver by the
Company at or prior to the Effective Time of the following conditions:

          (a) Representations and Warranties. The representations and warranties
     of Parent and Merger Sub set forth in this Agreement (i) to the extent
     qualified by Material Adverse Effect shall be true and correct and (ii) to
     the extent not qualified by Material Adverse Effect shall be true and
     correct in all material respects, in the case of each of (i) and (ii), as
     of the date of this Agreement and (except to the extent such
     representations and warranties speak as of an earlier date) as of the
     Closing Date as though made on and as of the Closing Date, and the Company
     shall have received a certificate signed on behalf of Parent by an
     executive officer of Parent to such effect;

          (b) Performance of Obligations of Parent and Merger Sub. Each of
     Parent and Merger Sub shall have performed in all material respects all
     obligations required to be performed by it under this Agreement at or prior
     to the Closing Date, and the Company

                                       39


<PAGE>



     shall have received a certificate signed on behalf of Parent and Merger Sub
     by an executive officer of Parent to such effect; and

          (c) Tax Opinion. The Company shall have received the opinion of
     Sullivan & Cromwell, counsel to the Company, dated the Closing Date, the
     effect that the Merger will be treated for Federal income tax purposes as a
     reorganization within the meaning of Section 368(a) of the Code, and that
     each of Parent, Merger Sub and the Company will be a party to that
     reorganization within the meaning of Section 368(b) of the Code. In
     rendering such opinions, such counsel may rely upon reasonable
     representations and certificates of Parent, Merger Sub and the Company and
     certain stockholders or shareholders of Parent, Merger Sub and the Company;
     and Parent, Merger Sub and the Company will make, and each of them agrees
     to use its reasonable best efforts to cause such of its respective
     stockholders or shareholders to make, such representations and deliver such
     certificates.

          (d) Parent shall have obtained each of the Parent Required Consents.

                                  ARTICLE VIII

                                   Termination

     8.1. Termination by Mutual Consent. This Agreement may be terminated and
the Merger may be abandoned at any time prior to the Effective Time, whether
before or after the approval by shareholders of the Company referred to in
Section 7.1(a), by mutual written consent of the Company and Parent, through
action of their respective Boards of Directors.

     8.2. Termination by Either Parent or the Company. This Agreement may be
terminated and the Merger may be abandoned at any time prior to the Effective
Time by action of the Board of Directors of either Parent or the Company if (i)
whether or not the approval by the shareholders of the Company referred to in
Section 7.1(a) shall have occurred, the Merger shall not have been consummated
within 240 days from the date of this Agreement (the "Termination Date");
provided, however, that either Parent or the Company shall have the option, in
its sole discretion, to extend the Termination Date for an additional period of
time not to exceed 125 days if the sole reason that the Merger has not been
consummated within 240 days from the date of this Agreement is that either (A)
the condition set forth in Section 7.1(c) has not been satisfied due to the
failure to obtain the necessary consents and approvals under applicable
Competition Laws and Parent or the Company are still attempting to obtain such
necessary consents and approvals under applicable Competition Laws or are
contesting the refusal of the relevant Governmental Entities to give such
consents or approvals in court or through other applicable proceedings or (B)
the condition set forth in Section 7.1(d) has not been satisfied; (ii) the
Shareholders Meeting shall have been held and completed and the adoption of this
Agreement by

                                       40


<PAGE>



the Company's shareholders required by Section 7.1(a) shall not have occurred;
or (iii) any Order permanently restraining, enjoining or otherwise prohibiting
consummation of the Merger shall become final and non-appealable (whether before
or after the adoption or approval by the shareholders of the Company); provided,
that the right to terminate this Agreement pursuant to clause (i) above shall
not be available to any party that has breached in any material respect its
obligations under this Agreement in any manner that shall have proximately
contributed to the failure of the Merger to be consummated.

     8.3. Termination by the Company.

     (a) This Agreement may be terminated and the Merger may be abandoned by the
Company at any time prior to the Effective Time, whether before or after the
approval by the shareholders of the Company referred to in Section 7.1(a), if
the Board of Directors of the Company has provided written notice to Parent that
the Company intends to enter into a binding written agreement for a Superior
Proposal; provided, however, that: (i) the Company shall have complied with
Section 6.2 in all material respects; (ii) the Board of Directors of the Company
shall have reasonably concluded in good faith, prior to giving effect to all
concessions which may be offered to the Company by Parent pursuant to clause
(iv) below, on the basis of the advice of its financial advisors and outside
counsel, that such proposal is a Superior Proposal; (iii) the Company shall have
(A) notified Parent in writing of its receipt of such Superior Proposal, (B)
further notified Parent in such writing that the Company intends to enter into a
binding agreement for such Superior Proposal subject to clause (iv) below and
(C) attached the most current written version of such Superior Proposal (or a
summary containing all material terms and conditions of such Superior Proposal)
to such notice; and (iv) Parent does not make, within five business days after
receipt of the Company's written notice pursuant to clause (iii) above, an offer
that the Board of Directors of the Company shall have reasonably concluded in
good faith on the basis of the advice of its financial advisors and outside
counsel is at least as favorable to the shareholders of the Company as the
Superior Proposal; provided, further, that it shall be a condition to
termination pursuant to this Section 8.3(a) that the Company shall have made the
payment of the Termination Fee to Parent required by Section 8.5(b).

     (b) This Agreement may be terminated and the Merger may be abandoned at any
time prior to the Effective Time, whether before or after the adoption of this
Agreement by the shareholders of the Company referred to in Section 7.1(a), by
action of the Board of Directors of the Company if there has been a material
breach by Parent or Merger Sub of any representation, warranty, covenant or
agreement contained in this Agreement which (x) would result in a failure of a
condition set forth in Section 7.1 or Section 7.3(a) or 7.3(b) or 7.3(c) or
7.3(d) and (y) cannot be or is not cured prior to the Termination Date.

     8.4. Termination by Parent. This Agreement may be terminated and the Merger
may be abandoned at any time prior to the Effective Time, before or after the
approval by the

                                       41


<PAGE>



shareholders of the Company referred to in Section 7.1(a), by action of the
Board of Directors of Parent if:

          (a) the Board of Directors of the Company shall have withdrawn,
     adversely modified or changed its approval or recommendation of this
     Agreement, or failed to reconfirm its recommendation of this Agreement to
     the Company's shareholders within 15 business days after a written request
     by Parent to do so; or

          (b) there has been a material breach by the Company of any
     representation, warranty, covenant or agreement contained in this Agreement
     which (i) would result in a failure of a condition set forth in Section 7.1
     or Section 7.2(a), 7.2(b) or 7.2(c) and (ii) cannot be or is not cured
     prior to the Termination Date.

     8.5. Effect of Termination and Abandonment.

     (a) In the event of termination of this Agreement and the abandonment of
the Merger pursuant to this Article VIII, this Agreement (other than as set
forth in Section 9.1) shall become void and of no effect with no liability
(other than as set forth in Section 8.5(b) or in the proviso at the end of this
sentence) on the part of any party to this Agreement or of any of its directors,
officers, employees, agents, legal or financial advisors or other
representatives; provided, however, no such termination shall relieve any party
to this Agreement from any liability for damages or other relief resulting from
any breach of this Agreement.

     (b) In the event that (i) an Acquisition Proposal shall have been made to
the Company and made known to shareholders of the Company generally or have been
made directly to shareholders of the Company generally or any Person shall have
publicly announced an intention (whether or not conditional) to make an
Acquisition Proposal and such Acquisition Proposal or announced intention shall
not have been withdrawn prior to the Shareholders Meeting and thereafter, there
is a failure to obtain the Company Requisite Vote at the Shareholders Meeting,
and this Agreement is terminated by either Parent or the Company pursuant to
Section 8.2(ii) and within 12 months after such termination the Company shall
have entered into an agreement (a "Subsequent Agreement") to consummate a
transaction that would constitute an Acquisition Proposal if it were the subject
of a proposal or (ii) this Agreement is terminated (x) by the Company pursuant
to Section 8.3(a) or (y) by Parent prior to the Shareholders Meeting pursuant to
Section 8.4(a) or at any time pursuant to Section 8.4(b) (solely with respect to
a breach of Section 6.2), then the Company shall promptly, but in no event later
than two days after the date of such termination (except as otherwise provided
in Section 8.3(a)), or, in the case of termination pursuant to Section
8.5(b)(i), two days after a Subsequent Agreement is entered into, pay Parent a
fee equal to $300 million (the "Termination Fee"), which amount shall be
exclusive of any expenses to be paid pursuant to Section 6.11, payable by wire
transfer of same day funds. The Company acknowledges that the agreements
contained in this Section 8.5(b) are an integral part of the transactions
contemplated by this Agreement, and that, without these agreements,

                                       42


<PAGE>



Parent and Merger Sub would not enter into this Agreement; accordingly, if the
Company fails to pay promptly the amount due pursuant to this Section 8.5(b),
and, in order to obtain such payment, Parent or Merger Sub commences a suit
which results in a judgment against the Company for the fee set forth in this
paragraph (b), the Company shall pay to Parent or Merger Sub its costs and
expenses (including attorneys' fees) in connection with such suit, together with
interest on the amount of the fee at the prime rate of Citibank N.A. in effect
on the date such payment was required to be made.

                                   ARTICLE IX

                            Miscellaneous and General

     9.1. Survival. Article II, Article III, Article IV and this Article IX, and
the agreements of the Company, Parent and Merger Sub contained in Sections
6.7(b) (Affiliates), 6.10 (Benefits), 6.11 (Expenses) and 6.12 (Indemnification;
Directors' and Officers' Insurance) shall survive the consummation of the
Merger. This Article IX and the agreements of the Company, Parent and Merger Sub
contained in Section 6.11 (Expenses), Section 6.13 (Takeover Statute), Section
6.15 (Confidentiality) and Section 8.5 (Effect of Termination and Abandonment)
shall survive the termination of this Agreement. All other representations,
warranties, covenants and agreements in this Agreement shall not survive the
consummation of the Merger or the termination of this Agreement.

     9.2. Modification or Amendment. Subject to the provisions of the applicable
Law, at any time prior to the Effective Time, the parties to this Agreement may
modify or amend this Agreement, by written agreement executed and delivered by
duly authorized officers of the respective parties.

     9.3. Waiver of Conditions.

     (a) Any provision of this Agreement may be waived prior to the Effective
Time if, and only if, such waiver is in writing and signed by an authorized
representative of the party against whom the waiver is to be effective.

     (b) No failure or delay by any party in exercising any right, power or
privilege under this Agreement shall operate as a waiver thereof nor shall any
single or partial exercise thereof preclude any other or further exercise
thereof or the exercise of any other right, power or privilege. Except as
otherwise provided in this Agreement, the rights and remedies herein provided
shall be cumulative and not exclusive of any rights or remedies provided by Law.

                                       43


<PAGE>



     9.4. Counterparts. This Agreement may be executed in any number of
counterparts, each such counterpart being deemed to be an original instrument,
and all such counterparts shall together constitute the same agreement.

     9.5. Governing Law and Venue; Waiver of Jury Trial.

     (a) This Agreement shall be deemed to be made in and in all respects shall
be interpreted, construed and governed by and in accordance with Delaware law
without regard to the conflict of law principles thereof, except that matters
relating to the corporate governance of the Company shall be governed by New
York law. The parties hereby irrevocably and unconditionally consent to submit
to the exclusive jurisdiction of the courts of the State of Delaware and of the
United States of America located in Wilmington, Delaware (the "Delaware Courts")
for any litigation arising out of or relating to this Agreement and the
transactions contemplated by this Agreement (and agree not to commence any
litigation relating thereto except in such Delaware Courts), waive any objection
to the laying of venue of any such litigation in the Delaware Courts and agree
not to plead or claim in any Delaware Court that such litigation brought therein
has been brought in an inconvenient forum.

     (b) EACH PARTY ACKNOWLEDGES AND AGREES THAT ANY CONTROVERSY WHICH MAY ARISE
UNDER THIS AGREEMENT IS LIKELY TO INVOLVE COMPLICATED AND DIFFICULT ISSUES, AND
THEREFORE EACH PARTY IRREVOCABLY AND UNCONDITIONALLY WAIVES ANY RIGHT SUCH PARTY
MAY HAVE TO A TRIAL BY JURY IN RESPECT OF ANY LITIGATION DIRECTLY OR INDIRECTLY
ARISING OUT OF OR RELATING TO THIS AGREEMENT, OR THE TRANSACTIONS CONTEMPLATED
BY THIS AGREEMENT. EACH PARTY CERTIFIES AND ACKNOWLEDGES THAT (i) NO
REPRESENTATIVE, AGENT OR ATTORNEY OF ANY OTHER PARTY HAS REPRESENTED, EXPRESSLY
OR OTHERWISE, THAT SUCH OTHER PARTY WOULD NOT, IN THE EVENT OF LITIGATION, SEEK
TO ENFORCE THE FOREGOING WAIVER, (ii) EACH PARTY UNDERSTANDS AND HAS CONSIDERED
THE IMPLICATIONS OF THIS WAIVER, (iii) EACH PARTY MAKES THIS WAIVER VOLUNTARILY,
AND (iv) EACH PARTY HAS BEEN INDUCED TO ENTER INTO THIS AGREEMENT BY, AMONG
OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION 9.5.

     9.6. Notices. Notices, requests, instructions or other documents to be
given under this Agreement shall be in writing and shall be deemed given, (i)
three business days following sending by registered or certified mail, postage
prepaid, (ii) when sent if sent by facsimile, provided that a copy of the fax is
promptly sent by U.S. mail, (iii) when delivered, if delivered personally to the
intended recipient, and (iv) one business day later, if sent by overnight
delivery via a national courier service, and in each case, addressed to a party
at the following address for such party:

                                       44


<PAGE>



     If to Parent or Merger Sub

          The Dow Chemical Company
          2030 Dow Center
          Midland, Michigan 48674
          Attention: Chief Executive Officer
          Fax: (517) 638-9397

          and

          The Dow Chemical Company
          2030 Dow Center
          Midland, Michigan 48674
          Attention: General Counsel
          Fax: (517) 638-9397

     with a copy to:

          Mayer, Brown & Platt
          190 South LaSalle Street
          Chicago, IL 60603
          Attention:  Scott J. Davis
                      Marc F. Sperber
          Fax: (312) 701-7711

     and if to the Company

          Union Carbide Corporation
          39 Old Ridgebury Road
          Danbury, CT 06817
          Attention:  Chief Executive Officer
          Fax: (203) 794-6104

          and

          Union Carbide Corporation
          39 Old Ridgebury Road
          Danbury, CT 06817
          Attention:  General Counsel
          Fax: (203) 794-5865



                                       45


<PAGE>



     with a copy to:

          Sullivan & Cromwell
          125 Broad Street
          New York, NY 10004
          Attention:  Neil T. Anderson
                      Stephen M. Kotran
          Fax: (212) 558-3588

or to such other persons or addresses as may be designated in writing by the
party to receive such notice as provided above.

     9.7. Entire Agreement. This Agreement (including any exhibits to this
Agreement), the Stock Option Agreement, the Confidentiality Agreement, the
Company Disclosure Letter and the Parent Disclosure Letter constitute the entire
agreement, and supersede all other prior agreements, understandings,
representations and warranties both written and oral, among the parties, with
respect to the subject matter of this Agreement. EACH PARTY TO THIS AGREEMENT
AGREES THAT, EXCEPT FOR THE REPRESENTATIONS AND WARRANTIES CONTAINED IN THIS
AGREEMENT, NEITHER PARENT AND MERGER SUB NOR THE COMPANY MAKES ANY OTHER
REPRESENTATIONS OR WARRANTIES, AND EACH HEREBY DISCLAIMS ANY OTHER
REPRESENTATIONS OR WARRANTIES MADE BY ITSELF OR ANY OF ITS OFFICERS, DIRECTORS,
EMPLOYEES, AGENTS, FINANCIAL AND LEGAL ADVISORS OR OTHER REPRESENTATIVES, WITH
RESPECT TO THE EXECUTION AND DELIVERY OF THIS AGREEMENT OR THE TRANSACTIONS
CONTEMPLATED BY THIS AGREEMENT, NOTWITHSTANDING THE DELIVERY OR DISCLOSURE TO
THE OTHER OR THE OTHER'S REPRESENTATIVES OF ANY DOCUMENTATION OR OTHER
INFORMATION WITH RESPECT TO ANY ONE OR MORE OF THE FOREGOING.

     9.8. No Third Party Beneficiaries. Except as provided in Article IV (Effect
of the Merger on Capital Stock; Exchange of Certificates) and Section 6.12
(Indemnification; Directors' and Officers' Insurance), this Agreement is not
intended to confer upon any Person other than the parties to this Agreement any
rights or remedies under this Agreement.

     9.9. Obligations of Parent and of the Company. Whenever this Agreement
requires a Subsidiary of Parent to take any action, such requirement shall be
deemed to include an undertaking on the part of Parent to cause such Subsidiary
to take such action, subject to any existing contractual or legal restraints on
Parent's ability to unilaterally cause such Subsidiary to take such action.
Whenever this Agreement requires a Subsidiary of the Company to take any action,
such requirement shall be deemed to include an undertaking on the part of the
Company to cause such Subsidiary to take such action and, after the Effective
Time, on the part of the Surviving Corporation to cause such Subsidiary to take
such action, subject to any existing

                                       46


<PAGE>



contractual or legal restraints on the Company's ability to unilaterally cause
such Subsidiary to take such action.

     9.10. Severability. The provisions of this Agreement shall be deemed
severable and the invalidity or unenforceability of any provision shall not
affect the validity or enforceability or the other provisions of this Agreement.
If any provision of this Agreement, or the application thereof to any Person or
any circumstance, is invalid or unenforceable, (a) a suitable and equitable
provision shall be substituted therefor in order to carry out, so far as may be
valid and enforceable, the intent and purpose of such invalid or unenforceable
provision and (b) the remainder of this Agreement and the application of such
provision to other Persons or circumstances shall not be affected by such
invalidity or unenforceability, nor shall such invalidity or unenforceability
affect the validity or enforceability of such provision, or the application
thereof, in any other jurisdiction.

     9.11. Interpretation. The table of contents and headings and Article,
Section and paragraph captions in this Agreement are for convenience of
reference only, do not constitute part of this Agreement and shall not be deemed
to limit or otherwise affect any of the provisions of this Agreement. Where a
reference in this Agreement is made to a Section or Exhibit, such reference
shall be to a Section of or Exhibit to this Agreement unless otherwise
indicated. Whenever the words "include," "includes" or "including" are used in
this Agreement, they shall be deemed to be followed by the words "without
limitation."

     9.12. Assignment. This Agreement shall not be assignable by operation of
law or otherwise; provided, however, that Parent may designate prior to the
Effective Time, by written notice to the Company, another wholly-owned direct or
indirect Subsidiary to be a party to the Merger in lieu of Merger Sub, in which
event all references in this Agreement to Merger Sub shall be deemed references
to such other Subsidiary (except with respect to representations and warranties
made in this Agreement with respect to Merger Sub as of the date of this
Agreement) and all representations and warranties made in this Agreement with
respect to Merger Sub as of the date of this Agreement shall also be made with
respect to such other subsidiary as of the date of such designation. Any
assignment in contravention of the preceding sentence shall be null and void.

                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]

                                       47


<PAGE>


     IN WITNESS WHEREOF, this Agreement has been duly executed and delivered by
the duly authorized officers of the parties to this Agreement as of the date
first written above.

                               UNION CARBIDE CORPORATION

                               By:
                                   ---------------------------------------------
                                   Name:  William H. Joyce
                                   Title: Chairman, President and
                                          Chief Executive Officer

                               THE DOW CHEMICAL COMPANY

                               By:
                                   ---------------------------------------------
                                   Name:  J. Pedro Reinhard
                                   Title: Executive Vice President and Chief
                                          Financial Officer

                               TRANSITION SUB INC.

                               By:
                                   ---------------------------------------------
                                   Name:  Brian Taylorson
                                   Title: President


<PAGE>


                                    EXHIBIT B


                       FORM OF COMPANY AFFILIATE'S LETTER


     This SHAREHOLDER AGREEMENT, dated as of August , 1999 (this "Agreement") is
between The Dow Chemical Company,  a Delaware  corporation  ("Parent"),  and the
undersigned shareholder ("Shareholder") of Union Carbide Corporation, a New York
corporation  ("Company").  Capitalized  terms  not  otherwise  defined  in  this
Agreement have the meanings ascribed to them in the Merger Agreement.

                                    RECITALS

     A.  Parent and the  Company  have  entered  into an  Agreement  and Plan of
Merger, dated as of August 3, 1999 (the "Merger  Agreement"),  pursuant to which
Transition Sub Inc., a Delaware  corporation  and a  wholly-owned  subsidiary of
Parent ("Merger Sub"), will merge with and into the Company (the "Merger"), with
the Company  surviving  the Merger and  becoming a  wholly-owned  subsidiary  of
Parent;

     B. Pursuant to the Merger  Agreement,  at the Effective  Time,  outstanding
shares of the Company Common Stock, including any the Company Common Stock owned
by  Shareholder,  will be converted  into the right to receive  shares of Parent
Common Stock;

     C. It is a condition to each party's  obligation  to effect the Merger that
(i)  legal  counsel  to the  Company  and  Parent  shall  have  delivered  their
respective   opinions  to  the  effect  that  the  Merger  will   constitute   a
reorganization within the meaning of Section 368(a) of the Internal Revenue Code
of 1986, as amended (the "Code"),  and Parent,  Merger Sub, and the Company each
will be a party to the  reorganization  within the meaning of Section  368(b) of
the Code, and (ii) the independent  public  accounting firms for the Company and
Parent shall have  delivered  their  respective  opinions to the effect that the
Merger will qualify for pooling-of-interests accounting treatment;

     D. The  execution  and  delivery  of this  Agreement  by  Shareholder  is a
material inducement to Parent to enter into the Merger Agreement; and

     E.  Shareholder  has been advised that  Shareholder  may be deemed to be an
"affiliate" of the Company,  as such term is used (i) for purposes of paragraphs
(c)  and  (d) of  Rule  145 of  the  Securities  and  Exchange  Commission  (the
"Commission")  under the Securities Act of 1933, as amended (the "Act"), or (ii)
in the Commission's Accounting Series Releases 130 and 135, as amended, although
nothing  contained herein shall be construed as an admission by Shareholder that
Shareholder is in fact an affiliate of the Company.


<PAGE>


     NOW,  THEREFORE,  intending  to be  legally  bound,  the  parties  agree as
follows:

     1. Acknowledgments by Shareholder. Shareholder acknowledges and understands
that the representations, warranties and covenants made by Shareholder set forth
in this  Agreement  will be  relied  upon by  Parent,  the  Company,  and  their
respective affiliates, counsel and accounting firms, and that substantial losses
and damages may be incurred by such  persons if  Shareholder's  representations,
warranties  or covenants  are  breached.  Shareholder  has  carefully  read this
Agreement and the Merger Agreement and has consulted with such legal counsel and
financial  advisers as Shareholder has deemed appropriate in connection with the
execution of this Agreement.

     2. Compliance with Rule 145 and the Act.

        (a)  Shareholder  has  been  advised  that (i) the issuance of shares of
Parent  Common  Stock in  connection  with the Merger is expected to be effected
pursuant to a Registration Statement filed by Parent on Form S-4, and the resale
of such shares will be subject to the  restrictions  set forth in Rule 145 under
the Act unless such shares are  otherwise  transferred  pursuant to an effective
registration   statement  under  the  Act  or  an  appropriate   exemption  from
registration,  and (ii)  Shareholder  may be  deemed to be an  affiliate  of the
Company.  Shareholder  accordingly  agrees  not to  sell,  pledge,  transfer  or
otherwise  dispose of any shares of Parent Common Stock issued to Shareholder in
the Merger unless (i) such sale,  pledge,  transfer or other disposition is made
in conformity  with the  requirements of Rule 145 under the Act, (ii) such sale,
pledge,  transfer  or  other  disposition  is  made  pursuant  to  an  effective
registration  statement under the Act, or (iii) Shareholder delivers to Parent a
written  opinion of counsel,  in form and  substance  reasonably  acceptable  to
Parent, to the effect that such sale,  pledge,  transfer or other disposition is
otherwise exempt from registration under the Act.

         (b) Parent will give stop transfer  instructions  to its transfer agent
with respect to any Parent Common Stock received by Shareholder  pursuant to the
Merger,  and there will be placed on the certificates  representing  such Parent
Common Stock, or any substitutions therefor, legends stating in substance:

     "THE SHARES  REPRESENTED  BY THIS  CERTIFICATE  WERE  ISSUED  PURSUANT TO A
     BUSINESS  COMBINATION  WHICH  IS  BEING  ACCOUNTED  FOR  AS  A  POOLING  OF
     INTERESTS,  IN A  TRANSACTION  TO WHICH  RULE  145  PROMULGATED  UNDER  THE
     SECURITIES  ACT OF 1933 APPLIES,  AND MAY ONLY BE TRANSFERRED IN CONFORMITY
     WITH RULE 145,  PURSUANT  TO AN  EFFECTIVE  REGISTRATION  STATEMENT,  OR IN
     ACCORDANCE WITH A WRITTEN OPINION OF COUNSEL,  REASONABLY ACCEPTABLE TO THE
     ISSUER,  IN FORM AND  SUBSTANCE TO THE EFFECT THAT SUCH  TRANSFER IS EXEMPT
     FROM REGISTRATION  UNDER THE SECURITIES ACT OF 1933. SUCH SHARES MAY NOT BE
     TRANSFERRED  UNTIL  SUCH  TIME  AS THE  DOW  CHEMICAL  COMPANY  SHALL  HAVE
     PUBLISHED   FINANCIAL  RESULTS  COVERING  AT  LEAST  30  DAYS  OF  COMBINED
     OPERATIONS WITH THE COMPANY."


                                       2
<PAGE>

     and

     "THE SHARES  REPRESENTED  BY THIS  CERTIFICATE  MAY NOT BE  OFFERED,  SOLD,
     PLEDGED, TRANSFERRED OR OTHERWISE DISPOSED OF EXCEPT IN ACCORDANCE WITH THE
     REQUIREMENTS OF THE CONDITIONS SPECIFIED IN THE SHAREHOLDER AGREEMENT DATED
     AS OF AUGUST __, 1999  BETWEEN THE HOLDER OF THIS  CERTIFICATE  AND THE DOW
     CHEMICAL COMPANY,  A COPY OF WHICH AGREEMENT MAY BE INSPECTED BY THE HOLDER
     OF THIS CERTIFICATE AT THE PRINCIPAL OFFICES OF THE DOW CHEMICAL COMPANY OR
     FURNISHED  BY THE DOW  CHEMICAL  COMPANY TO THE HOLDER OF THIS  CERTIFICATE
     UPON WRITTEN REQUEST AND WITHOUT CHARGE."

The legend  set forth  above  shall be  removed  (by  delivery  of a  substitute
certificate  without  such  legend),  and Parent  shall so instruct its transfer
agent,  if a registration  statement  respecting the sale of the shares has been
declared  effective  under the Act or if  Shareholder  delivers  to  Parent  (i)
satisfactory  written evidence that the shares have been sold in compliance with
Rule 145 (in which case, the substitute  certificate  will be issued in the name
of the  transferee),  or (ii) an  opinion  of  counsel,  in form  and  substance
reasonably  acceptable  to Parent,  to the effect that sale of the shares by the
holder thereof is no longer subject to Rule 145.

     3. Covenants Related to Pooling of Interests.

        (a)  During  the  period  beginning  on  the  date 30 days  prior to the
Closing  Date (as defined in the Merger  Agreement)  and ending on the day after
Parent has published  (within the meaning of Section 201.01 of the  Commission's
Codification of Financial  Reporting  Policies)  financial  results  covering at
least 30 days of combined  operations of Parent and the Company (the "Restricted
Period"),  Shareholder will not sell, exchange, transfer, pledge, distribute, or
otherwise   dispose  of  or  grant  any   option,   establish   any  "short"  or
"put"-equivalent  position with respect to or enter into any similar transaction
(through  derivatives  or  otherwise)  intended  to have or having  the  effect,
directly or  indirectly,  or reducing its risk relative to (i) any shares of the
Company  Common Stock or Parent  Common Stock owned by  Shareholder  or (ii) any
shares of Parent Common Stock  received by  Shareholder  in connection  with the
Merger.

         (b) Notwithstanding anything to the contrary contained in Section 3(a),
Shareholder  will be  permitted,  during the  Restricted  Period,  (ii) to sell,
exchange,  transfer,  pledge,  distribute  or otherwise  dispose of or grant any
option,  establish any "short" or  "put"-equivalent  position with respect to or
enter into any similar transaction  (through  derivatives or otherwise) intended
to have or having the effect,  directly  or  indirectly,  of  reducing  its risk
relative  to any  shares of the  Company  Common  Stock or Parent  Common  Stock
received by  Shareholder in connection  with the Merger (a "Transfer")  equal to
the lesser of (A) 10% of the Company  Common Stock,  or  equivalent  post-Merger
Parent Common Stock, owned by Shareholder and (B) Shareholder's pro rata portion
of 1% of the total number of outstanding  shares of the Company Common Stock, or
equivalent  post-Merger  Parent Common Stock, owned by Shareholder and all other
"affiliates" of


                                       3

<PAGE>

the  Company  (in each of clause (A) and clause (B) above as  measured as of the
date of such  Transfer  and  subject  to  confirmation  of such  calculation  by
Parent),  and (ii) to make bona fide charitable  contributions  or gifts of such
securities;  provided,  however,  that  the  transferee(s)  of  such  charitable
contributions  or gifts  agree(s)  in  writing to hold such  securities  for the
period specified in Section 3(a).

     4. Miscellaneous.

        (a) This Agreement  may be executed in one or more counterparts, each of
which shall be deemed an original,  but all of which together  shall  constitute
one and the same document.

        (b) This  Agreement  shall be  enforceable  by, and  shall  inure to the
benefit of and be binding upon, the parties and their respective  successors and
assigns.  As used in this  Agreement,  the term  "successors and assigns" means,
where the context to permits,  heirs,  executors,  administrators,  trustees and
successor trustees, and personal and other representatives.

        (c) This  Agreement  shall be deemed to  be made in and in all  respects
shall be interpreted,  construed and governed by and in accordance with Delaware
law  without  regard to the  conflict  of law  principles  thereof,  except that
matters relating to the corporate governance of the Company shall be governed by
New York law. The parties irrevocably and  unconditionally  consent to submit to
the  exclusive  jurisdiction  of the courts of the State of Delaware  and of the
United States of America located in Wilmington, Delaware (the "Delaware Courts")
for  any  litigation  arising  out of or  relating  to  this  Agreement  and the
transactions  contemplated  by this  Agreement  (and agree not to  commence  any
litigation relating thereto except in such Delaware Courts), waive any objection
to the laying of venue of any such  litigation in the Delaware  Courts and agree
not to plead or claim in any Delaware Court that such litigation brought therein
has been brought in an inconvenient forum.

        (d) If any  term, provision,  covenant, or restriction contained in this
Agreement  is held  by a court  or a  federal  or  state  regulatory  agency  of
competent jurisdiction to be invalid,  void, or unenforceable,  the remainder of
the terms,  provisions,  covenants, and restrictions contained in this Agreement
shall  remain  in full  force  and  effect,  and  shall  in no way be  affected,
impaired, or invalidated.

        (e) Counsel to and  accountants for the parties to the Merger  Agreement
shall be entitled to rely upon this Agreement as needed.

        (f) This  Agreement  shall not  be  modified  or  amended,  or any right
waived or any obligations excused,  except by a written agreement signed by both
parties.

        (g)  Notwithstanding  any  other provision  contained in this Agreement,
this Agreement and all obligations under this Agreement shall terminate upon the
termination of the Merger Agreement in accordance with its terms.


                                       4
<PAGE>

        (h) From and after the  Effective  Time  of the Merger and as long as is
necessary  in order to permit  Shareholder  to sell Parent  Common Stock held by
Shareholder  pursuant to Rule 145 and, to the extent applicable,  Rule 144 under
the Act, Parent will file on a timely basis all reports  required to be filed by
it pursuant to the  Securities  Exchange Act of 1934, as amended,  and the rules
and  regulations  thereunder,  as the same  shall be in effect at the time,  and
shall otherwise make available adequate public  information  regarding Parent in
such manner as may be required to satisfy the  requirements  of paragraph (c) of
Rule 144 under the Act.



                                       5
<PAGE>

     IN WITNESS WHEREOF,  this Agreement is executed as of the date first stated
above.


                                        THE DOW CHEMICAL COMPANY,
                                        a Delaware corporation

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

                                        Shareholder

                                        By:
                                           -------------------------------------
                                        Name:
                                        Name of Signatory
                                        (if different from name of Shareholder):


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

                                        Title of Signatory
                                        (if applicable):
                                                        ------------------------

                                        Number of Shares Owned:
                                                               -----------------

                                        Number of Shares Issuable upon
                                        Exercise of Stock Options:
                                                                  --------------

<PAGE>
                                    EXHIBIT C

                        FORM OF PARENT AFFILIATE'S LETTER


         This  STOCKHOLDER  AGREEMENT,   dated  as  of  August  __,  1999  (this
"Agreement"),   is  by  and  between  Union  Carbide  Corporation,  a  New  York
corporation (the "Company"), and the undersigned stockholder  ("Stockholder") of
The Dow Chemical Company, a Delaware corporation  ("Parent").  Capitalized terms
not otherwise  defined in this Agreement  have the meanings  ascribed to them in
the Merger Agreement.

                                    RECITALS

         A. The Company and Parent have entered  into an  Agreement  and Plan of
Merger, dated as of August 3, 1999 (the "Merger  Agreement"),  pursuant to which
Transition Sub Inc., a Delaware  corporation  and a  wholly-owned  subsidiary of
Parent ("Merger Sub"), will merge with and into the Company (the "Merger"), with
the Company  surviving  the Merger and  becoming a  wholly-owned  subsidiary  of
Parent;

         B. It is a condition to the  effectiveness of the Merger that (i) legal
counsel to Parent and the Company shall have delivered their respective opinions
to the effect  that the  Merger  will  constitute  a  reorganization  within the
meaning of Section 368(a) of the Internal  Revenue Code of 1986, as amended (the
"Code")  and  Parent,  Merger  Sub and the  Company  each will be a party to the
reorganization  within the meaning of Section  368(b) of the Code,  and (ii) the
independent  public  accounting  firms for  Parent  and the  Company  shall have
delivered their  respective  opinions to the effect that the Merger will qualify
for pooling-of-interests accounting treatment;

         C. The execution  and delivery of this  Agreement by  Stockholder  is a
material inducement to the Company to enter into the Merger Agreement; and

         D. Stockholder has been advised that Stockholder may be deemed to be an
"affiliate"  of  Parent,  as such  term is used in the  Commission's  Accounting
Series Releases 130 and 135, as amended, although nothing contained herein shall
be  construed  as an admission by  Stockholder  that  Stockholder  is in fact an
affiliate of Parent.

         NOW,  THEREFORE,  intending to be legally  bound,  the parties agree as
follows:

         1.  Acknowledgments  by  Stockholder.   Stockholder   acknowledges  and
understands  that  the   representations,   warranties  and  covenants  made  by
Stockholder  set forth in this  Agreement  will be relied  upon by the  Company,
Parent, and their respective affiliates,  counsel and accounting firms, and that
substantial losses and damages may be incurred by such persons if Stockholder's



<PAGE>



representations, warranties or covenants are breached. Stockholder has carefully
read this  Agreement and the Merger  Agreement and has consulted with such legal
counsel  and  financial  advisers  as  Stockholder  has  deemed  appropriate  in
connection with the execution of this Agreement.

         2. Covenants Related to Pooling of Interests.

         (a)  During  the  period  beginning  on the  date 30 days  prior to the
Closing  Date (as defined in the Merger  Agreement)  and ending on the day after
Parent has published  (within the meaning of Section 201.01 of the  Commission's
Codification of Financial  Reporting  Policies)  financial  results  covering at
least 30 days of combined  operations of the Company and Parent (the "Restricted
Period"),  Stockholder will not sell, exchange, transfer, pledge, distribute, or
otherwise   dispose  of  or  grant  any   option,   establish   any  "short"  or
"put"-equivalent  position with respect to or enter into any similar transaction
(through  derivatives  or  otherwise)  intended  to have or having  the  effect,
directly or  indirectly,  of reducing its risk  relative to any shares of Parent
Common Stock owned by Stockholder.

         (b) Notwithstanding anything to the contrary contained in Section 2(a),
Stockholder  will be  permitted,  during  the  Restricted  Period,  (i) to sell,
exchange,  transfer,  pledge,  distribute  or otherwise  dispose of or grant any
option,  establish any "short" or  "put"-equivalent  position with respect to or
enter into any similar transaction  (through  derivatives or otherwise) intended
to have or having the effect,  directly  or  indirectly,  of  reducing  its risk
relative  to  any  shares  of  Parent  Common  Stock  owned  by  Stockholder  (a
"Transfer")  equal to the lesser of (A) 10% of the Parent  Common Stock owned by
Stockholder and (B)  Stockholder's pro rata portion of 1% of the total number of
outstanding  shares of Parent  Common Stock owned by  Stockholder  and all other
"affiliates"  of Parent (in each of clause (A) and clause (B) above as  measured
as of the date of such Transfer and subject to confirmation of such  calculation
by Parent), and (ii) to make bona fide charitable contributions or gifts of such
securities;  provided,  however,  that  the  transferee(s)  of  such  charitable
contributions  or gifts  agree(s)  in  writing to hold such  securities  for the
period specified in Section 2(a).

         3. Miscellaneous.

         (a) This Agreement may be executed in one or more counterparts, each of
which shall be deemed an original,  but all of which together  shall  constitute
one and the same document.

         (b) This  Agreement  shall be  enforceable  by, and shall  inure to the
benefit of and be binding upon, the parties and their respective  successors and
assigns.  As used in this  Agreement,  the term  "successors and assigns" means,
where the context so permits,  heirs,  executors,  administrators,  trustees and
successor trustees, and personal and other representatives.

         (c) This  Agreement  shall be deemed to be made in and in all  respects
shall be interpreted,  construed and governed by and in accordance with Delaware
law  without  regard to the  conflict  of law  principles  thereof,  except that
matters relating to the corporate governance of the



                                        2

<PAGE>


Company  shall  be  governed  by New  York  law.  The  parties  irrevocably  and
unconditionally consent to submit to the exclusive jurisdiction of the courts of
the State of Delaware and of the United States of America located in Wilmington,
Delaware (the "Delaware  Courts") for any litigation  arising out of or relating
to this Agreement and the transactions contemplated by this Agreement (and agree
not to commence any litigation relating thereto except in such Delaware Courts),
waive  any  objection  to the  laying  of venue of any  such  litigation  in the
Delaware  Courts and agree not to plead or claim in any Delaware Court that such
litigation brought therein has been brought in an inconvenient forum.

         (d) If any term, provision,  covenant, or restriction contained in this
Agreement  is held  by a court  or a  federal  or  state  regulatory  agency  of
competent jurisdiction to be invalid,  void, or unenforceable,  the remainder of
the terms,  provisions,  covenants, and restrictions contained in this Agreement
shall  remain  in full  force  and  effect,  and  shall  in no way be  affected,
impaired, or invalidated.

         (e) Counsel to and accountants for the parties to the Merger  Agreement
shall be entitled to rely upon this Agreement as needed.

         (f) This  Agreement  shall not be  modified  or  amended,  or any right
waived or any obligation  excused,  except by a written agreement signed by both
parties.

         (g)  Notwithstanding  any other provision  contained in this Agreement,
this Agreement and all obligations under this Agreement shall terminate upon the
termination of the Merger Agreement in accordance with its terms.





                                        3

<PAGE>


         IN WITNESS  WHEREOF,  this  Agreement  is executed as of the date first
stated above.


                                        UNION CARBIDE CORPORATION,
                                        a New York corporation

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

                                        Stockholder

                                        By:
                                           -------------------------------------
                                        Name:
                                        Name of Signatory
                                        (if different from name of Stockholder):


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

                                        Title of Signatory
                                        (if applicable):
                                                        ------------------------

                                        Number of Shares Owned:
                                                               -----------------

                                        Number of Shares Issuable upon
                                        Exercise of Stock Options:
                                                                  --------------



                                        4



                             STOCK OPTION AGREEMENT


     This STOCK OPTION AGREEMENT, dated as of August 3, 1999 (this "Agreement"),
is between Union Carbide Corporation, a New York corporation ("Issuer") and The
Dow Chemical Company, a Delaware corporation ("Grantee").


                                    RECITALS

     A. The Merger Agreement. Prior to the entry into this Agreement and prior
to the grant of the Option, Issuer, Grantee, and Transition Sub Inc., a
wholly-owned subsidiary of Grantee ("Merger Sub") have entered into an Agreement
and Plan of Merger, dated as of the date of this Agreement (the "Merger
Agreement"), pursuant to which Grantee and Issuer intend to effect a merger of
Merger Sub with and into Issuer (the "Merger").

     B. The Stock Option Agreement. As an inducement and condition to Grantee's
and Merger Sub's willingness to enter into the Merger Agreement, and in
consideration thereof, the board of directors of Issuer has approved the grant
to Grantee of the Option pursuant to this Agreement and the acquisition of
Common Stock by Grantee pursuant to this Agreement; provided, that such grant
was expressly conditioned upon, and made of no effect until after, execution and
delivery by Issuer, Grantee and Merger Sub of the Merger Agreement.

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

     1. The Option. (a) Issuer hereby grants to Grantee an unconditional,
irrevocable option (the "Option") to purchase, subject to the terms of this
Agreement, up to 26,502,964 fully paid and nonassessable shares of common stock,
$1.00 par value per share ("Common Stock"), of Issuer at a price per share in
cash equal to $48.8125 (the "Option Price"); provided, however, that in no event
shall the number of shares for which the Option is exercisable exceed 19.9% of
the shares of Common Stock issued and outstanding at the time of exercise
(without giving effect to the shares of Common Stock issued or issuable under
the Option) (the "Maximum Applicable Percentage"). The number of shares of
Common Stock purchasable upon exercise of the Option and the Option Price are
subject to adjustment as set forth in this Agreement.

<PAGE>

     (b) In the event that any additional shares of Common Stock are issued or
otherwise become outstanding after the date of this Agreement (other than
pursuant to this Agreement), the aggregate number of shares of Common Stock
purchasable upon exercise of the Option (inclusive of shares, if any, previously
purchased upon exercise of the Option) shall automatically be increased (without
any further action on the part of Issuer or Grantee being necessary) so that,
after such issuance, it equals the Maximum Applicable Percentage. Any such
increase shall not affect the Option Price.

     2. Exercise; Closing. (a) Conditions to Exercise; Termination. Grantee or
any other person that shall become a holder of all or a part of the Option in
accordance with the terms of this Agreement (each such person being referred to
in this Agreement as the "Holder") may exercise the Option, in whole or in part,
by delivering a written notice thereof as provided in Section 2(d) within 180
days following the occurrence of a Triggering Event unless prior to such
Triggering Event the Effective Time (as defined in the Merger Agreement) shall
have occurred. If no notice pursuant to the preceding sentence has been
delivered prior thereto, the Option shall terminate upon either (i) the
occurrence of the Effective Time or (ii) the close of business on the earlier of
(x) the day 180 days after the date that Grantee becomes entitled to receive the
Termination Fee (as defined in the Merger Agreement) under Section 8.5(b) of the
Merger Agreement and (y) the date that Grantee is no longer potentially entitled
to receive the Termination Fee under Section 8.5(b) of the Merger Agreement for
a reason other than that Grantee has already received the Termination Fee.

     (b) Triggering Event. A "Triggering Event" shall have occurred if the
Merger Agreement is terminated and Grantee thereby becomes entitled to receive
the Termination Fee pursuant to Section 8.5(b) of the Merger Agreement.

     (c) Notice of Triggering Event by Issuer. Issuer shall notify Grantee
promptly in writing of the occurrence of any Triggering Event, it being
understood that the giving of such notice by Issuer shall not be a condition to
the right of the Holder to exercise the Option.

     (d) Notice of Exercise by Grantee. If a Holder shall be entitled to and
wishes to exercise the Option, it shall send to Issuer a written notice (the
date of which is referred to in this Agreement as the "Notice Date") specifying
(i) the total number of shares that the Holder will purchase pursuant to such
exercise and (ii) a place and date (a "Closing Date") not earlier than three
business days nor later than 60 business days from the Notice Date for the
closing of such purchase (a "Closing"); provided, that if a filing is required
under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the
"HSR Act"), or any other notice, report, filing or approval is required with
respect to any governmental or regulatory authority, court, agency, commission,
body or other governmental entity (a "Governmental Entity") in connection with
such purchase, (x) the Holder or Issuer, as required, promptly after the giving
of such notice shall file the required notice, report, filing or application for
approval and shall expeditiously process the same and (y) the period of time
referred to in clause (ii) above shall commence on the


                                       2
<PAGE>

date on which the Holder furnishes to Issuer a supplemental written notice
setting forth the Closing Date, which notice shall be furnished as promptly as
practicable after all required notification, reporting or filing periods shall
have expired or been terminated, all required approvals shall have been obtained
and all requisite waiting periods shall have passed. Each of the Holder and the
Issuer agrees to use its reasonable best efforts to cooperate with and provide
information to Issuer or Holder, as the case may be, for the purpose of any
required notice, report, filing or application for approval.

     (e) Payment of Purchase Price. At each Closing, the Holder shall pay to
Issuer the aggregate purchase price for the shares of Common Stock purchased
pursuant to the exercise of the Option in immediately available funds by a wire
transfer to a bank account designated by Issuer; provided, that failure or
refusal of Issuer to designate such a bank account shall not preclude the Holder
from exercising the Option, in whole or in part.

     (f) Delivery of Common Stock. At such Closing, simultaneously with the
payment of the purchase price by the Holder, Issuer shall deliver to the Holder
a certificate or certificates representing the number of shares of Common Stock
purchased by the Holder and, if the Option shall be exercised in part only, a
new Option evidencing the rights of the Holder to purchase the balance (as
adjusted pursuant to Section 1(b)) of the shares of Common Stock then
purchasable under this Agreement.

     (g) Restrictive Legend. Certificates for Common Stock delivered at a
Closing may be endorsed with a restrictive legend that shall read substantially
as follows:

               "The transfer of the shares represented by this
          certificate is subject to resale restrictions arising
          under the Securities Act of 1933, as amended."

It is understood and agreed that the above legend shall be removed by delivery
of substitute certificate(s) without such reference if the Holder shall have
delivered to Issuer a copy of a letter from the staff of the Securities and
Exchange Commission, or a written opinion of counsel, in form and substance
reasonably satisfactory to Issuer, to the effect that such legend is not
required for purposes of the Securities Act of 1933, as amended (the "Securities
Act"). In addition, such certificates shall bear any other legend as may be
required by applicable law.

     (h) Ownership of Record; Tender of Purchase Price; Expenses. Upon the
giving by the Holder to Issuer of a written notice of exercise referred to in
Section 2(d) and the tender of the applicable purchase price in immediately
available funds, the Holder shall be deemed to be the holder of record of the
shares of Common Stock issuable upon such exercise, notwithstanding that the
stock transfer books of Issuer shall then be closed or that certificates
representing such shares of Common Stock shall not have been delivered to the
Holder. Issuer shall pay all expenses, and any and all United States federal,
state and local taxes and other


                                       3
<PAGE>

charges that may be payable in connection with the preparation, issue and
delivery of stock certificates under this Section 2 in the name of the Holder or
its assignee, transferee or designee.

     3. Covenants of Issuer. In addition to its other agreements and covenants
in this Agreement, Issuer agrees:

         (a) Shares Reserved for Issuance. It will maintain, free from
     preemptive rights, sufficient authorized but unissued or treasury shares of
     Common Stock to issue the appropriate number of shares of Common Stock
     pursuant to the terms of this Agreement so that the Option may be fully
     exercised without additional authorization of Common Stock after giving
     effect to all other options, warrants, convertible securities and other
     rights of third parties to purchase shares of Common Stock from Issuer.

         (b) No Avoidance. It will not avoid or seek to avoid (whether by
     charter amendment or through reorganization, consolidation, merger,
     issuance of rights, dissolution or sale of assets, or by any other
     voluntary act) the observance or performance of any of the covenants,
     agreements or conditions to be observed or performed under this
     Agreement by Issuer.

         (c) Further Assurances. Promptly after the date of this Agreement it
     will take all actions as may from time to time be required (including (i)
     complying with all applicable premerger notification, reporting and waiting
     period requirements under the HSR Act and (ii) in the event that prior
     notice, report, filing or approval with respect to any Governmental Entity
     is necessary under any applicable foreign or United States federal, state
     or local law before the Option may be exercised, cooperating fully with the
     Holder in preparing and processing the required applications or notices) in
     order to permit each Holder to exercise the Option and purchase shares of
     Common Stock pursuant to such exercise and to take all action necessary to
     protect the rights of the Holder against dilution.

         (d) Stock Exchange Listing. It will use its reasonable best efforts to
     cause the shares of Common Stock to be issued pursuant to the Option to be
     approved for listing (to the extent they are not already listed) on the New
     York Stock Exchange ("NYSE") and on all other stock exchanges on which
     shares of Common Stock of the Issuer are then listed, subject to official
     notice of issuance.

     4. Representations and Warranties of Issuer. Issuer represents and warrants
to Grantee as follows:

        (a) Merger Agreement. Issuer hereby makes each of the representations
     and warranties contained in Sections 5.1(a), (b)(i), (c)(i), (d)(i),
     (d)(ii), (j) and (p) of the


                                       4

<PAGE>
Merger Agreement as they relate to Issuer and this Agreement, as if such
representations were set forth in this Agreement.

        (b) Shares Reserved for Issuance; Capital Stock. Issuer has taken all
     necessary corporate action to authorize and reserve, free from preemptive
     rights, and permit it to issue, sufficient authorized but unissued or
     treasury shares of Common Stock so that the Option may be fully exercised
     without additional authorization of Common Stock after giving effect to all
     other options, warrants, convertible securities and other rights of third
     parties to purchase shares of Common Stock from Issuer, and all such
     shares, upon issuance pursuant to the Option, will be duly authorized,
     validly issued, fully paid and nonassessable, and will be delivered free
     and clear of all claims, liens, encumbrances, and security interests (other
     than those created by this Agreement) and not subject to any preemptive
     rights.

     5.  Representations  and  Warranties  of Grantee.  Grantee  represents  and
warrants to Issuer that Grantee has all requisite  corporate power and authority
and has taken all corporate  action  necessary in order to execute,  deliver and
perform its obligations under and to consummate the transactions contemplated by
this Agreement.  This Agreement has been duly and validly executed and delivered
by Grantee and constitutes a valid and binding agreement of Grantee  enforceable
against Grantee in accordance with its terms, subject to bankruptcy, insolvency,
fraudulent  transfer,  reorganization,  moratorium  and similar  laws of general
applicability  relating to or affecting  creditors' rights and to general equity
principles.

     6. Exchange; Replacement. This Agreement and the Option granted by this
Agreement are exchangeable, without expense, at the option of the Holder, upon
presentation and surrender of this Agreement at the principal office of Issuer,
for other Agreements providing for Options of different denominations entitling
the holder thereof to purchase in the aggregate the same number of shares of
Common Stock purchasable at such time under this Agreement, subject to
corresponding adjustments in the number of shares of Common Stock purchasable
upon exercise so that the aggregate number of such shares under all stock option
agreements issued in respect of this Agreement shall not exceed the Maximum
Applicable Percentage. Unless the context shall require otherwise, the terms
"Agreement" and "Option" as used in this Agreement include any stock option
agreements and related Options for which this Agreement (and the Option granted
by this Agreement) may be exchanged. Upon (i) receipt by Issuer of evidence
reasonably satisfactory to it of the loss, theft, destruction of this Agreement,
or mutilation of this Agreement, (ii) receipt by Issuer of reasonably
satisfactory indemnification in the case of loss, theft or destruction of this
Agreement and (iii) surrender and cancellation of this Agreement in the case of
mutilation, Issuer will execute and deliver a new Agreement of like tenor and
date. Any such new Agreement executed and delivered shall constitute an
additional contractual obligation on the part of Issuer, whether or not the
Agreement so lost, stolen, destroyed or mutilated shall at any time be
enforceable by any person other than the holder of the new Agreement.


                                       5

<PAGE>

     7. Adjustments. In addition to the adjustment to the total number of shares
of Common Stock purchasable upon exercise of the Option pursuant to Section
1(b), the total number of shares of Common Stock purchasable upon the exercise
of the Option and the Option Price shall be subject to adjustment from time to
time as follows:

         (a) In the event of any change in the outstanding shares of Common
     Stock by reason of stock dividends, split-ups, mergers, recapitalizations,
     combinations, subdivisions, conversions, exchanges of shares or the like,
     the type and number of shares of Common Stock purchasable upon exercise of
     the Option shall be appropriately adjusted, and proper provision shall be
     made in the agreements governing any such transaction, so that (i) any
     Holder shall receive upon exercise of the Option the number and class of
     shares, other securities, property or cash that such Holder would have
     received in respect of the shares of Common Stock purchasable upon exercise
     of the Option if the Option had been exercised and such shares of Common
     Stock had been issued to such Holder immediately prior to such event or the
     record date therefor, as applicable, and (ii) in the event any additional
     shares of Common Stock are to be issued or otherwise become outstanding as
     a result of any such change (other than pursuant to an exercise of the
     Option), the number of shares of Common Stock purchasable upon exercise of
     the Option shall be increased so that, after such issuance and together
     with shares of Common Stock previously issued pursuant to the exercise of
     the Option (as adjusted on account of any of the foregoing changes in the
     Common Stock), the number of shares so purchasable equals the Maximum
     Applicable Percentage of the number of shares of Common Stock issued and
     outstanding immediately after the consummation of such change.

         (b) Whenever the number of shares of Common Stock purchasable upon
     exercise of the Option is adjusted as provided in this Section 7, the
     Option Price shall be adjusted by multiplying the Option Price by a
     fraction, the numerator of which is equal to the number of shares of Common
     Stock purchasable prior to the adjustment and the denominator of which is
     equal to the number of shares of Common Stock purchasable after the
     adjustment.

     8. Registration. (a) Upon the occurrence of a Triggering Event, Issuer
shall, at the request of Grantee delivered in the written notice of exercise of
the Option provided for in Section 2(d), as promptly as practicable prepare,
file and keep current a shelf registration statement under the Securities Act
covering any or all shares issued and issuable pursuant to the Option and shall
use its best efforts to cause such registration statement to become effective
and remain current in order to permit the sale or other disposition of any
shares of Common Stock issued upon total or partial exercise of the Option
("Option Shares") in accordance with any plan of disposition requested by
Grantee; provided, however, that Issuer may postpone filing a registration
statement relating to a registration request by Grantee under this Section 8 for
a period of time (not in excess of 30 days) if in its judgment such filing would
require the


                                       6
<PAGE>

disclosure of material information that Issuer has a bona fide business purpose
for preserving as confidential. Issuer will use its best efforts to cause such
registration statement first to become effective as soon as practicable and then
to remain effective for 270 days from the day such registration statement first
becomes effective or until such earlier date as all shares registered shall have
been sold by Grantee. In connection with any such registration, Issuer and
Grantee shall provide each other with representations, warranties, indemnities
and other agreements customarily given in connection with such registrations. If
requested by Grantee in connection with such registration, Issuer shall become a
party to any underwriting agreement relating to the sale of such shares, but
only to the extent of obligating Issuer in respect of representations,
warranties, indemnities, contribution and other agreements customarily made by
issuers in such underwriting agreements.

     (b) In the event that Grantee so requests, the closing of the sale or other
disposition of the Common Stock or other securities pursuant to a registration
statement filed pursuant to Section 8(a) shall occur substantially
simultaneously with the exercise of the Option.

     9. Repurchase of Option and/or Shares.  (a) Repurchase;  Repurchase  Price.
Upon the  occurrence  of a  Triggering  Event,  (i) at the  request of a Holder,
delivered in writing within 180 days of such occurrence (or such later period as
provided in Section 2(d) with respect to any required  notice or  application or
in Section 10), Issuer shall repurchase the Option from the Holder,  in whole or
in part,  at a price  (the  "Option  Repurchase  Price")  equal to the number of
shares of Common  Stock then  purchasable  upon  exercise of the Option (or such
lesser  number  of  shares  as  may be  designated  in  the  Repurchase  Notice)
multiplied  by the amount by which the  market/offer  price  exceeds  the Option
Price and (ii) at the  request  of a Holder or any  person who has been a Holder
(for  purposes of this Section 9 only,  each such person being  referred to as a
"Holder"),  delivered  in writing  within 180 days of such  occurrence  (or such
later period as provided in Section 2(d) with respect to any required  notice or
application  or in Section 10),  Issuer shall  repurchase  such number of Option
Shares from such Holder as the Holder shall  designate in the Repurchase  Notice
at a price (the "Option Share  Repurchase  Price") equal to the number of shares
designated  multiplied by the market/offer price. The term "market/offer  price"
shall  mean the  highest  of (x) the price per share of Common  Stock at which a
tender or exchange offer for Common Stock has been made, (y) the price per share
of Common  Stock to be paid by any third  party  pursuant to an  agreement  with
Issuer and (z) the highest  trading price for shares of Common Stock on the NYSE
(or,  if the Common  Stock is not then  listed on the NYSE,  any other  national
securities  exchange or automated  quotation system on which the Common Stock is
then  listed or quoted)  within the 120-day  period  immediately  preceding  the
delivery of the Repurchase  Notice. In the event that a tender or exchange offer
is made for the Common Stock or an agreement is entered into for a merger, share
exchange,  consolidation or reorganization  involving  consideration  other than
cash, the value of the  securities or other property  issuable or deliverable in
exchange for the Common Stock shall (I) if such  consideration  is in securities
and such securities are listed on a national securities exchange,  be determined
to be the highest trading price for such securities on such national  securities
exchange within the 120-day period


                                       7
<PAGE>

immediately preceding the delivery of the Repurchase Notice or (II) if such
consideration is not securities, or if in securities and such securities are not
traded on a national securities exchange, be determined in good faith by a
nationally recognized investment banking firm selected by an investment banking
firm designated by Grantee and an investment banking firm designated by Issuer.

     (b) Method of Repurchase. A Holder may exercise its right to require Issuer
to repurchase the Option, in whole or in part, and/or any Option Shares then
owned by such Holder pursuant to this Section 9 by surrendering for such purpose
to Issuer, at its principal office, this Agreement or certificates for Option
Shares, as applicable, accompanied by a written notice or notices stating that
the Holder elects to require Issuer to repurchase the Option and/or such Option
Shares in accordance with the provisions of this Section 9 (each such notice, a
"Repurchase Notice"). As promptly as practicable, and in any event within two
business days after the surrender of the Option and/or certificates representing
Option Shares and the receipt of the Repurchase Notice relating thereto, Issuer
shall deliver or cause to be delivered to the Holder the applicable Option
Repurchase Price and/or the Option Share Repurchase Price. Any Holder shall have
the right to require that the repurchase of Option Shares shall occur
immediately after the exercise of all or part of the Option. In the event that
the Repurchase Notice shall request the repurchase of the Option in part, Issuer
shall deliver with the Option Repurchase Price a new Stock Option Agreement
evidencing the right of the Holder to purchase that number of shares of Common
Stock purchasable pursuant to the Option at the time of delivery of the
Repurchase Notice minus the number of shares of Common Stock represented by that
portion of the Option then being repurchased.

     (c) Effect of Statutory or  Regulatory  Restraints  on  Repurchase.  To the
extent that,  upon or following the delivery of a Repurchase  Notice,  Issuer is
prohibited under  applicable law or regulation from  repurchasing the Option (or
portion thereof) and/or any Option Shares subject to such Repurchase Notice (and
Issuer will undertake to use its reasonable  best efforts to obtain all required
regulatory and legal  approvals and to file any required  notices as promptly as
practicable in order to accomplish such repurchase), Issuer shall immediately so
notify the Holder in writing and  thereafter  deliver or cause to be  delivered,
from time to time, to the Holder the portion of the Option  Repurchase Price and
the Option  Share  Repurchase  Price that  Issuer is no longer  prohibited  from
delivering,  within two business days after the date on which it is no longer so
prohibited;  provided,  however,  that upon notification by Issuer in writing of
such  prohibition,  the  Holder  may,  within  five  days  of  receipt  of  such
notification from Issuer,  revoke in writing its Repurchase  Notice,  whether in
whole or to the extent of the prohibition, whereupon, in the latter case, Issuer
shall  promptly (i) deliver to the Holder that portion of the Option  Repurchase
Price and/or the Option  Share  Repurchase  Price that Issuer is not  prohibited
from  delivering;  and (ii)  deliver to the  Holder,  as  appropriate,  (A) with
respect to the Option, a new Stock Option Agreement  evidencing the right of the
Holder  to  purchase  that  number  of  shares  of  Common  Stock  for which the
surrendered  Stock Option  Agreement was  exercisable at the time of delivery of
the Repurchase Notice less the number of shares as to which the Option


                                       8

<PAGE>

Repurchase Price has theretofore been delivered to the Holder, and/or (B) with
respect to Option Shares, a certificate for the Option Shares as to which the
Option Share Repurchase Price has not theretofore been delivered to the Holder.
Notwithstanding anything to the contrary in this Agreement, including, without
limitation, the time limitations on the exercise of the Option, the Holder may
give notice of exercise of the Option for 180 days after a notice of revocation
has been issued pursuant to this Section 9(c) and thereafter exercise the Option
in accordance with the applicable provisions of this Agreement.

     (d) Acquisition Transactions. In addition to any other restrictions or
covenants, Issuer agrees that, in the event that a Holder delivers a Repurchase
Notice, Issuer shall not enter or agree to enter into an agreement or series of
agreements relating to a merger with or into or the consolidation with any other
person or entity, the sale of all or substantially all of the assets of Issuer
or any similar disposition unless the other party or parties to such agreement
or agreements agree to assume in writing Issuer's obligations under Section 9(a)
and, notwithstanding any notice of revocation delivered pursuant to the proviso
to Section 9(c), a Holder may require such other party or parties to perform
Issuer's obligations under Section 9(a) unless such party or parties are
prohibited by law or regulation from such performance, in which case such party
or parties shall be subject to the obligations of the Issuer under Section 9(c).

     10. Extension of Exercise Periods. The 180-day periods for exercise of
certain rights under Sections 2 and 9 shall be extended in each such case at the
request of the Holder to the extent necessary to avoid liability by the Holder
under Section 16(b) of the Securities Exchange Act of 1934, as amended, by
reason of such exercise.

     11. Assignment. Neither party may assign any of its rights or obligations
under this Agreement or the Option to any other person without the express
written consent of the other party except that Grantee may, without the prior
written consent of Issuer assign the Option, in whole or in part, to any
affiliate of Grantee. Any attempted assignment in contravention of the preceding
sentence shall be null and void.

     12. Filings; Other Actions. Issuer and Grantee each will use its best
efforts to make all filings with, and to obtain consents of, all third parties
and governmental authorities necessary for the consummation of the transactions
contemplated by this Agreement.

     13. Specific Performance. The parties acknowledge that damages would be an
inadequate remedy for a breach of this Agreement by either party and that the
obligations of the parties shall be specifically enforceable through injunctive
or other equitable relief.

     14. Severability. If any term, provision, covenant, or restriction
contained in this Agreement is held by a court or a federal or state regulatory
agency of competent jurisdiction to be invalid, void, or unenforceable, the
remainder of the terms, provisions, covenants, and restrictions contained in
this Agreement shall remain in full force and effect, and shall in no way


                                       9

<PAGE>
be affected, impaired, or invalidated. If for any reason such court or
regulatory agency determines that the Holder is not permitted to acquire, or
Issuer is not permitted to repurchase pursuant to Section 9, the full number of
shares of Common Stock provided in Section 1(a) of this Agreement (as adjusted
pursuant to Sections 1(b) and 7 of this Agreement), it is the express intention
of Issuer to allow the Holder to acquire or to require Issuer to repurchase such
lesser number of shares as may be permissible, without any amendment or
modification of this Agreement.

     15. Notices. Notices, requests, instructions, or other documents to be
given under this Agreement shall be in writing and shall be deemed given (i)
three business days following sending by registered or certified mail, postage
prepaid, (ii) when sent, if sent by facsimile, provided that a copy of the fax
is promptly sent by U.S. mail, (iii) when delivered, if delivered personally to
the intended recipient, and (iv) one business day later, if sent by overnight
delivery via a national courier service, in each case at the respective
addresses of the parties set forth in the Merger Agreement.

     16. Expenses. Except as otherwise expressly provided in this Agreement or
in the Merger Agreement, all costs and expenses incurred in connection with this
Agreement and the transactions contemplated by this Agreement shall be paid by
the party incurring such expense, including fees and expenses of its own
financial consultants, investment bankers, accountants, and counsel.

     17. Entire Agreement. This Agreement, the Confidentiality Agreement (as
defined in the Merger Agreement) and the Merger Agreement constitute the entire
agreement, and supersede all other prior agreements, understandings,
representations and warranties, both written and oral, between the parties, with
respect to the subject matter of this Agreement. The terms and conditions of
this Agreement shall inure to the benefit of and be binding upon the parties and
their respective successors and permitted assigns. Nothing in this Agreement, is
intended to confer upon any person or entity, other than the parties to this
Agreement, and their respective successors and permitted assigns, any rights or
remedies under this Agreement.

     18. Governing Law and Venue; Waiver of Jury Trial.

     (a) This Agreement shall be deemed to be made in and in all respects shall
be interpreted, construed and governed by and in accordance with Delaware law
without regard to the conflict of law principles thereof, except that matters
relating to the corporate governance of Issuer shall be governed by New York
law. The parties irrevocably and unconditionally consent to submit to the
exclusive jurisdiction of the courts of the State of Delaware and of the United
States of America located in Wilmington, Delaware (the "Delaware Courts") for
any litigation arising out of or relating to this Agreement and the transactions
contemplated by this Agreement (and agree not to commence any litigation
relating thereto except in such Delaware Courts), waive any objection to the
laying of venue of any such litigation in the Delaware Courts and

                                       10


<PAGE>


agree not to plead or claim in any Delaware Court that such litigation brought
therein has been brought in an inconvenient forum.

     (b) EACH PARTY ACKNOWLEDGES AND AGREES THAT ANY CONTROVERSY WHICH MAY ARISE
UNDER THIS AGREEMENT IS LIKELY TO INVOLVE COMPLICATED AND DIFFICULT ISSUES, AND
THEREFORE EACH SUCH PARTY IRREVOCABLY AND UNCONDITIONALLY WAIVES ANY RIGHT SUCH
PARTY MAY HAVE TO A TRIAL BY JURY IN RESPECT OF ANY LITIGATION DIRECTLY OR
INDIRECTLY ARISING OUT OF OR RELATING TO THIS AGREEMENT, OR THE TRANSACTIONS
CONTEMPLATED BY THIS AGREEMENT. EACH PARTY CERTIFIES AND ACKNOWLEDGES THAT (i)
NO REPRESENTATIVE, AGENT OR ATTORNEY OF THE OTHER PARTY HAS REPRESENTED,
EXPRESSLY OR OTHERWISE, THAT THE OTHER PARTY WOULD NOT, IN THE EVENT OF
LITIGATION, SEEK TO ENFORCE THE FOREGOING WAIVER, (ii) EACH PARTY UNDERSTANDS
AND HAS CONSIDERED THE IMPLICATIONS OF THIS WAIVER, (iii) EACH PARTY MAKES THIS
WAIVER VOLUNTARILY, AND (iv) EACH PARTY HAS BEEN INDUCED TO ENTER INTO THIS
AGREEMENT BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS
SECTION 18.

     19. Captions. The Section and paragraph captions in this Agreement are for
convenience of reference only, do not constitute part of this Agreement and
shall not be deemed to limit or otherwise affect any of the provisions of this
Agreement.

     20. Limitation on Profit. (a) Notwithstanding any other provision of this
Agreement, in no event shall the Grantee's Total Profit (as defined herein)
exceed in the aggregate $50 million (the "Maximum Amount") and, if it otherwise
would exceed such amount, the Grantee, at its sole election, shall either: (i)
reduce the number of shares of Common Stock subject to this Option; (ii) deliver
to the Issuer for cancellation Option Shares previously purchased by Grantee;
(iii) pay cash to the Issuer; or (iv) any combination thereof, so that Grantee's
actually realized Total Profit shall not exceed the Maximum Amount taking into
account the foregoing actions.

     (b) Notwithstanding any other provision of this Agreement, this Option may
not be exercised for a number of shares as would, as of the date of exercise,
result in a Notional Total Profit (as defined below) which would exceed the
Maximum Amount; provided, that nothing in this sentence shall restrict any
exercise of the Option permitted hereby on any subsequent date.

     (c) As used in this Agreement, the term "Total Profit" shall mean the
aggregate amount (before taxes) of the following: (i) (x) the amount received by
Grantee pursuant to Issuer's repurchase of the Option (or any portion thereof)
or any Option Shares pursuant to Section 9, less, in the case of any repurchase
of Option Shares, (y) the Grantee's purchase price for such Option Shares, as
the case may be and (ii) (x) the net cash amounts received by Grantee pursuant
to the sale of Option Shares (or any other securities into which such Option
Shares are


                                       11
<PAGE>


converted or exchanged) to any unaffiliated party, less (y) the Grantee's
purchase price of such Option Shares.

     (d) As used in this Agreement, the term "Notional Total Profit" with
respect to any number of shares as to which Grantee may propose to exercise this
Option shall be the Total Profit determined as of the date of such proposal
assuming that this Option were exercised on such date for such number of shares
and assuming that such shares, together with all other Option Shares held by
Grantee and its affiliates as of such date, were sold for cash at the closing
market price for the Common Stock as of the close of business on the preceding
trading day (less customary brokerage commissions).


                                       12

<PAGE>


     IN WITNESS WHEREOF, this Agreement has been duly executed and delivered by
duly authorized officers of the parties as of the day and year first written
above.



                                   UNION CARBIDE CORPORATION



                                   By:
                                      -----------------------------------
                                   Name:  William H. Joyce
                                   Title: Chairman, President and
                                          Chief Executive Officer



                                   THE DOW CHEMICAL COMPANY


                                   -----------------------------------
                                   Name:  J. Pedro Reinhard
                                   Title: Executive Vice President and Chief
                                          Financial Officer





          [DOW LOGO]                              [UNION CARBIDE LOGO]


 DOW CHEMICAL AND UNION CARBIDE TO MERGE IN TRANSACTION VALUED AT $11.6 BILLION

    CREATES LEADING GLOBAL CHEMICAL COMPANY WITH MAJOR GROWTH OPPORTUNITIES


MIDLAND, MICH. AND DANBURY, CONN. (AUGUST 4, 1999) -- The Dow Chemical Company
(NYSE: DOW) and Union Carbide Corporation (NYSE: UK) today announced that their
boards of directors have approved a definitive merger agreement for a tax-free,
stock-for-stock transaction. Under the agreement, Union Carbide shareholders
will receive 0.537 shares of Dow for each share of Union Carbide they own. Based
upon Dow's closing price of $124 11/16 on August 3, 1999, the transaction is
valued at $66.96 per Union Carbide share, or $11.6 billion in aggregate
including the assumption of $2.3 billion of net debt. The transaction is
expected to be accounted for as a pooling of interests and accretive to Dow's
earnings per share in the first year after closing.

The merger combines two of the industry's most technologically advanced global
companies, with combined annual revenues of over $24 billion, operating income
of $3 billion, a combined market capitalization of approximately $35 billion and
assets of over $30 billion. It creates the world's 2nd largest chemical company
overall, with leadership positions in both performance and basics businesses.
The combined company will operate in 168 countries, employ about 49,000 people
and rank number 50 on the Fortune 500.

William S. Stavropoulos, president and chief executive officer of Dow, said,
"This transaction is a giant step in our strategy to transform Dow into the
world's most productive, best 'value-growth' company in the chemical industry.
In phase one of our transformation, we improved and focused our portfolio,
became the lowest-cost producer, developed a more consistent earnings stream and
achieved financial flexibility. This made us a better company.

"In phase two, we are getting both better and bigger, including increased
productivity and higher growth in earnings per share. This merger 'jump starts'
the growth phase of our strategy. It immediately adds new performance businesses
as platforms for growth while strengthening the ones we already have. The merger
also gives us greater opportunities and higher cash generation from our basics
businesses. Together, our strengthened balanced sheet gives us the ability to
further invest in internal growth and acquisitions.

"Through our increased scale and geographic scope, we will be well positioned
for the next peak of the cycle with a broadened customer base across a wider
range of products and applications. Together, we are creating a global
corporation with the vision, management depth and technology leadership to reach
our ambitious financial goals, including annual EPS growth in excess of 10%
across the cycle," Stavropoulos added.

                                     -more-

<PAGE>

                                      -2-

"We are companies with similar cultures and a complementary fit. This merger
will draw upon the considerable talents of the employees of Union Carbide. A
joint transition team has been established to drive the rapid integration of the
two companies, combining the best practices and talent from each company to
create the preeminent chemical company in the world," said Stavropoulos.

William H. Joyce, chairman and chief executive officer of Union Carbide, said,
"This is the right move at a good time. In a consolidating chemical industry
where fewer, more powerful companies will exist, the combination of Dow and
Union Carbide now sets the gold standard for the industry. With its leading
technologies and outstanding facilities, the new Dow has even stronger long-term
prospects for profitable growth and enhancing shareholder value."

Joyce added, "Dow and Union Carbide are companies with similar cultures and
dedication to technology, to high productivity and to quality standards. Both
have long histories of commitment to their respective customers and employees,
as well as to Responsible Care(R) and the communities where we operate."

Since Dow's transformation began in 1993, the company has reduced structural
costs by $2.2 billion and divested over $10 billion of non-strategic businesses.
This included DowBrands, Destec, and Marion Merrell Dow. The company also added
$10 billion in new business assets -- $5 billion in new capacity additions and
$5 billion in acquisitions, the latter including Sentrachem, Buna Sow Leuna
Olefinverbund (BSL) and Mycogen. On August 2, the company announced an agreement
to purchase ANGUS Chemical Company, a leading specialty chemicals firm.

Dow and Union Carbide have proven track records of reducing costs. The companies
expect to achieve annual cost savings of at least $500 million by rationalizing
corporate structural costs, achieving procurement savings (including
feedstocks), and improving supply chain management. The scale and integration
achieved will significantly reduce per unit costs. Savings are expected to begin
upon closing and will be fully realized within two years, with about half in
year one. After the integration is completed, it is anticipated that the company
will have a workforce of approximately 49,000 employees, reflecting a reduction
of about 4% of the combined workforce. Dow will seek to minimize workforce
effects of the transaction through a combination of reduced hiring, attrition
and other measures.

William Joyce, chairman and chief executive officer of Union Carbide, will join
the Dow board of directors as vice chairman. In addition, one other member of
the Union Carbide board will join the Dow board, bringing the total number of
members to 17. Headquarters of the merged companies will be in Midland,
Michigan.

Prior to the completion of the merger, Dow will issue approximately 3.8 million
shares in order to qualify for pooling accounting treatment. Union Carbide
stockholders will own approximately 25% of Dow after the merger. The merger is
conditioned, among other things, upon the approval of Union Carbide
stockholders, and appropriate regulatory authorities. The companies anticipate
that the transaction will be completed early in the first quarter 2000.


                                     -more-

<PAGE>

                                      -3-

Goldman, Sachs & Co. acted as financial advisor and provided a fairness opinion
to Dow. Credit Suisse First Boston acted as financial advisor and provided a
fairness opinion to Union Carbide. Mayer, Brown & Platt is legal counsel to Dow
and Sullivan & Cromwell is legal counsel to Union Carbide.

Union Carbide is a worldwide chemicals company with advanced process
technologies and large-scale chemical production facilities.

o    Specialties & Intermediates -- Union Carbide is the leading North American
     supplier of solvents and intermediates to the paint and coatings industry;
     the leading licensor of several technologies; and a leading supplier of
     specialty chemicals, polymers and services used in the personal care
     products, pharmaceuticals, automotive, wire and cable, oil and gas and
     industrial lubricants industries.

o    Basic Chemicals & Polymers -- Union Carbide is among the largest
     manufacturers of polyethylene, the world's most widely used plastic, and
     the technology leader in this industry; and a large manufacturer of
     polypropylene, one of the world's fastest-growing, large-volume plastics.
     Union Carbide is also the world's largest producer of ethylene oxide and
     its derivative ethylene glycol, used for polyester fiber, resin and film,
     automotive antifreeze and other products.

The Dow Chemical Company is a global science and technology-based company that
develops and manufactures a portfolio of chemical, plastic and agricultural
products and services for customers in 168 countries around the world. With
annual sales of more than $18 billion, Dow conducts its operations through 14
global businesses employing 39,000 people. The company has 123 manufacturing
sites in 32 countries and supplies more than 3,500 products.

This press release contains statements that are not historical facts and are
forward-looking. Forward-looking statements include among others, statement
relating to anticipated product plans, profitability, cost savings, revenue
growth and strategic plans and goals. Such statements involve risks and
uncertainties that could cause the company's results to differ materially from
what is projected, including without limitation risks and uncertainties relating
to: higher raw material costs or other expenses, increased competitive pricing
pressure or other increases in competition. Fluctuation in demand for the
company's products, currency fluctuations and the outcome of pending or future
litigation and claims including those relating to environmental laws and
regulations. In addition, the company's forward-looking statements could be
affected by general industry and market conditions and growth rates, general
domestic and international economic conditions. Further information can be found
in Dow's and Union Carbide's filings with the Securities and Exchange
Commission.

NOTE TO EDITORS: Today's news release, along with other news about Dow Chemical
and Union Carbide, is available on the Internet at: www.dow.com and
www.unioncarbide.com.


                                     -more-

<PAGE>

                                      -4-

CONTACT FOR DOW CHEMICAL COMPANY:         CONTACT FOR UNION CARBIDE CORPORATION:
Name: Anne M. Ainsworth                   Name: Sean S. Clancy
Phone: (517) 636-3920                     Phone: (203) 794-6976


                                     # # #


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