CVS CORP
SC 13D, 1997-02-14
DRUG STORES AND PROPRIETARY STORES
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                    SECURITIES AND EXCHANGE COMMISSION
                           WASHINGTON, DC 20549


                               SCHEDULE 13D
                              (Rule 13d-101)

                 UNDER THE SECURITIES EXCHANGE ACT OF 1934



                             REVCO D.S., INC.
         ----------------------------------------------------------
                             (Name of Issuer)

                               COMMON STOCK
                              $0.01 PAR VALUE
         ----------------------------------------------------------
                      (Title of Class of Securities)

                                 761339100
         ----------------------------------------------------------
                              (CUSIP Number)

                              Charles Conaway
                          Chief Financial Officer
                              CVS Corporation
                               One CVS Drive
                      Woonsocket, Rhode Island  02895
                              (401) 765-1500
         ----------------------------------------------------------
         (Name, Address and Telephone Number of Person Authorized
                  to Receive Notices and Communications)

                             February 6, 1997
         ----------------------------------------------------------
          (Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to
report the acquisition which is the subject of this Schedule 13D, and is
filing this Schedule because of Rule 13d-1(b)(3) or (4), check the following
box: [ ]

Note: Six copies of this Statement, including all exhibits, should be filed
with the Commission.  See Rule 13d-1(a) for other parties to whom copies are
to be sent.

                        (Continued on following pages)

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


CUSIP No. 761339 10 0                13D                   Page 2 of 6 Pages

  1           NAME OF REPORTING PERSONS
              S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
               CVS CORPORATION (I.R.S. Identification Number 05-0494040)

  2           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

                                                      (a)  [ ]
                                                      (b)  [ ]
  3           SEC USE ONLY

  4           SOURCE OF FUNDS

               Not Applicable

  5           CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
              PURSUANT TO ITEM 2(d) or 2(e)                [ ]

  6           CITIZENSHIP OR PLACE OF ORGANIZATION
               State of Delaware

                NUMBER               7     SOLE VOTING POWER
                                             0
              OF SHARES
                                     8     SHARED VOTING POWER
             BENEFICIALLY                    13,102,288  (see Item 6)

               OWNED BY              9     SOLE DISPOSITIVE POWER
                                             0
                 EACH
                                    10    SHARED DISPOSITIVE POWER
              REPORTING                     13,102 288  (see Item 6)

             PERSON WITH


 11           AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
               13,102,288  (see Item 6)

 12           CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
              SHARES                                       [ ]

 13           PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
               19.0%

 14           TYPE OF REPORTING PERSON
               CO

                  *SEE INSTRUCTIONS BEFORE FILLING OUT!*



Item 1.  Security and Issuer

               The class of equity securities to which this statement relates
is the common stock, $0.01 par value per share (the "Common Stock"), of Revco
D.S., Inc., a Delaware corporation (the "Issuer").  The principal executive
offices of the Issuer are located at 1925 Enterprise Parkway, Twinsburg, OH
44087.

Item 2. Identity and Background

               The name of the person filing this statement is CVS
Corporation, a Delaware corporation ("CVS").

               The address of the principal business and the principal office
of CVS is One CVS Drive, Woonsocket, Rhode Island  02895.  The name, business
address, present principal occupation or employment, and citizenship of each
director and executive officer of CVS is set forth on Schedule A.

               CVS is a leading United States retail chain drugstore company.
On February 6, 1997, CVS entered into an Agreement and Plan of Merger with the
Issuer and North Acquisition Corp. as described in Item 6.  In connection
therewith, CVS entered into a Stockholder Agreement with Zell/Chilmark Fund,
L.P. ("Zell/Chilmark") as described in Item 6.

               During the last five years, neither CVS nor any other person
controlling CVS nor, to the best of its knowledge, any of the persons listed
on Schedule A attached hereto, has been convicted in a criminal proceeding
(excluding traffic violations or similar misdemeanors) or has been a party to
a civil proceeding of a judicial or administrative body of competent
jurisdiction and as a result of such proceeding was or is subject to a
judgment, decree or final order enjoining future violations of, or prohibiting
or mandating activities subject to, federal or state securities laws or
finding any violation with respect to such laws.

Item 3. Source and Amount of Funds or Other Consideration

               Inapplicable.

Item 4. Purpose of Transaction

               See Item 6.

Item 5. Interest in Securities of the Issuer

               (a) For the purpose of Rule 13d-3 promulgated under the
      Exchange Act, CVS has shared voting power and shared dispositive power
      with respect to (and therefore beneficially owns) 13,102,288 shares of
      Common Stock, representing approximately 19% of the outstanding shares
      of Common Stock.  Except as set forth in Item 5, neither CVS nor any
      other person controlling CVS, nor, to the best of its knowledge after
      reasonable inquiry, any director or executive officer of CVS owns
      beneficially any shares of Common Stock.

               (b) CVS does not have sole power to vote or to direct the vote
      of any shares of Common Stock.  CVS does not have sole power to dispose
      or to direct the disposition of any shares of Common Stock.  CVS has
      shared power to vote or to direct the vote of the 13,102,288 shares of
      Common Stock presently held by Zell/Chilmark.  CVS has shared power to
      dispose or to direct the disposition of the 13,102,288 shares of Common
      Stock presently held by Zell/Chilmark.

      Zell/Chilmark, a Delaware limited partnership, is an investment fund.
      Its principal business and office is located at 2 North Riverside
      Plaza, Chicago, Illinois 60606.  During the last five years, to the
      knowledge of CVS, Zell/Chilmark has not been convicted in a criminal
      proceeding (excluding traffic violations or similar misdemeanors) and
      has not been a party to a civil proceeding of a judicial or
      administrative body of competent jurisdiction that resulted in its
      being subjected to a judgment, decree or final order enjoining future
      violations of, or prohibiting or mandating activities subject to,
      federal or state securities laws or finding any violation with
      respect to such laws.

               (c) Information concerning transactions in shares of Common
      Stock by the persons named in paragraph (a) since December 14, 1996 is
      set forth on Schedule B.

               (d) Inapplicable.

               (e) Inapplicable.

Item 6. Contracts, Arrangements, Understandings or Relationships with Respect
        to Securities of the Issuer

               On February 6, 1997, CVS, the Issuer and North Acquisition
Corp. entered into an Agreement and Plan of Merger (the "Merger Agreement")
providing for, subject to the terms and conditions set forth in the Merger
Agreement, the merger of North Acquisition Corp., a wholly owned direct
subsidiary of CVS, with and into the Issuer with the Issuer to be the
surviving corporation in the merger.  As a result of the merger, the Issuer
would become a wholly owned direct subsidiary of CVS.  Consummation of the
merger is subject to approval by the stockholders of CVS and the Issuer, the
expiration of the applicable waiting period under the Hart-Scott-Rodino
Antitrust Improvements Act of 1976, as amended, and certain other customary
closing conditions.

               As an inducement and a condition to CVS entering into the
Merger Agreement, Zell/Chilmark (owner of approximately 19% of the outstanding
Common Stock) entered  into a Stockholder Agreement with CVS dated as of
February 6, 1997 (the "Stockholder Agreement").   Pursuant to the Stockholder
Agreement, Zell/Chilmark has agreed, among other things, to vote all shares
(the "Shares") of Common Stock held by it in favor of the Merger and the other
transactions contemplated by the Merger Agreement.

               The Stockholder Agreement also provides that, during the period
commencing on the date of the Merger Agreement and continuing until the first
to occur of the consummation of the Merger (the "Effective Time") or
termination of the Merger Agreement in accordance with its terms,
Zell/Chilmark will not, among other things, directly or indirectly: (i) offer
for sale, sell, transfer, tender, pledge, encumber (other than by operation of
law), assign or otherwise dispose of, or enter into any contract, option or
other arrangement or understanding with respect to or consent to the offer for
sale, sale, transfer, tender, pledge, encumbrance, assignment or other
disposition of, any or all of the Shares or any interest therein; (ii) except
as contemplated by the Stockholder Agreement, grant any proxies or powers of
attorney, deposit the Shares into a voting trust or enter into a voting
agreement with respect to the Shares; or (iii) take any action that would make
any representation or warranty of Zell/Chilmark contained in the Stockholder
Agreement untrue or incorrect or would result in a breach by Zell/Chilmark of
its obligations thereunder or a breach by Revco of its obligations under the
Merger Agreement.

               The Stockholder Agreement will terminate upon the earlier to
occur of (i) the Effective Time and (ii) the termination of the Merger
Agreement in accordance with its terms.

               In addition, Zell/Chilmark has entered into a letter agreement
(the "Letter Agreement") with CVS and the Issuer pursuant to which
Zell/Chilmark may not sell, transfer or otherwise dispose of its interests in,
or acquire or sell any options or other securities relating to, securities of
CVS or the Issuer that would be intended to reduce its risk relative to any
shares of common stock of either CVS or the Issuer beneficially owned by it,
during the period commencing on the 30th day prior to the Effective Time and
ending at such time as CVS publicly releases a report covering at least 30
days of combined operations of CVS after the merger.  The Letter Agreement
permits Zell/Chilmark to distribute to its partners after the Effective Time
its shares of common stock of CVS so long as (if such distribution occurs
before the date of publication of the report referred to in the immediately
preceding sentence) no later than the time of such distribution each such
partner shall have executed and delivered to CVS a specified form of letter
agreement.

               The summary contained in this Schedule 13D of certain
provisions of the Stockholder Agreement, the Merger Agreement and the Letter
Agreement is qualified in its entirety by reference to the Stockholder
Agreement, the Merger Agreement and the Letter Agreement attached as Exhibits
1, 2 and 3 hereto, respectively, and incorporated herein by reference.

               Except for the Stockholder Agreement, the Merger Agreement and
the Letter Agreement, to the best knowledge of CVS, there are no contracts,
arrangements, understandings or relationships (legal or otherwise) between CVS
and Zell/Chilmark or any other person with respect to any securities of the
Issuer, including, but not limited to, transfer or voting of any of the
securities, finder's fees, joint ventures, loan or option arrangements, puts
or calls, guarantees of profits, division of profits or loss, or the giving or
withholding of proxies.

Item 7. Material to be Filed as Exhibits


Exhibit 1:        Stockholder Agreement dated as of February 6,
                  1997 between CVS Corporation and Zell/Chilmark
                  Fund, L.P.

Exhibit 2:        Agreement and Plan of Merger dated as of
                  February 6, 1997 among CVS Corporation, Revco
                  D.S., Inc. and North Acquisition Corp.

Exhibit 3:        Form of Affiliate's Letter Relating to Pooling for
                  Zell/Chilmark Fund, L.P.




                                  SIGNATURES

After reasonable inquiry and to the best knowledge and belief of the
undersigned, the undersigned certifies that the information set forth in this
statement is true, complete and correct.


Date:February 14, 1997

                                CVS CORPORATION


                                By: /s/ Charles Conaway
                                --------------------------------------------
                                 Name: Charles Conaway
                                 Title:Chief Financial Officer




                                                           SCHEDULE A



              DIRECTORS AND EXECUTIVE OFFICERS OF CVS CORPORATION

               The name, business address, title, present principal occupation
or employment of each of the directors and executive officers of CVS
Corporation ("CVS") are set forth below.  If no business address is given the
director's or officer's business address is One CVS Drive, Woonsocket, RI
02895.  Unless otherwise indicated, each office set forth opposite an
individual's name refers to such individual's office with CVS.  Unless
otherwise indicated below, all of the persons listed below are citizens of the
United States of America.


                     Directors and Executive Officers
- ---------------------------------------------------------------------------
                                      Present Principal Occupation
Name and Business Address             Including Name of Employer
- -------------------------             -------------------------------------

Allan J. Bloostein                    Consultant (retail and consumer goods
Allan J. Bloostein Associates         marketing), Allen J. Bloostein
717 Fifth Avenue                      Associates
21st Floor
New York, New York  10022

W. Don Cornwell                       Chairman of the Board and Chief
Granite Broadcasting Corporation      Executive Officer, Granite
767 Third Avenue                      Broadcasting Corporation
34th Floor
New York, New York  10017

Thomas P. Gerrity                     Dean, The Wharton School of the
The Wharton School                    University of Pennsylvania
University of Pennsylvania
3640 Locust Walk
Suite 1000
Philadelphia, Pennsylvania  19104

Stanley P. Goldstein                  Chairman of the Board and Chief
                                      Executive Officer

Michael H. Jordan                     Chairman of the Board and Chief
Westinghouse Electric Corporation     Executive Officer, Westinghouse
11 Stanwix Street                     Electric Corporation
Pittsburgh, Pennsylvania  15222

William H. Joyce                      Chairman of the Board and Chief
Union Carbide Corporation             Executive Officer, Union Carbide
39 Old Ridgebury Road                 Corporation
Danbury, Connecticut  06817

Terry R. Lautenbach                   Retired; formerly Senior Vice President,
1312 Sea Spray Lane                   International Business Machines
Sanibel, Florida  33957               Corporation

Terrence Murray                       President and Chief Executive Officer,
Fleet Financial Group                 Fleet Financial Group
One Federal Street
Boston, Massachusetts  02110

Harvey Rosenthal                      Retired; formerly President, Melville
60 State Street                       Corporation
Suite 700
Boston, Massachusetts  02109

Thomas M. Ryan                        Vice Chairman and Chief Operating
                                      Officer

Ivan G. Seidenberg                    Chairman of the Board and Chief
NYNEX Corporation                     Executive Officer, NYNEX
1095 Avenue of the Americas           Corporation
Floor 41
New York, New York  10036

Patricia Carry Stewart                Retired; formerly Vice President, The
2613 North Ocean Boulevard            Edna McConnell Clark Foundation
Gulf Stream, Florida  33483

M. Cabell Woodward, Jr.               Retired; formerly Vice Chairman, Chief
45 Manursing Way                      Financial Officer and a Director, ITT
Rye, New York  10580                  Corporation





         Executive Officers (who are not also Directors)
- ------------------------------------------------------------------------
                                      Present Principal Occupation
Name and Business Address             Including Name of Employer
- -------------------------             ----------------------------------

Charles Conaway                       Executive Vice President and Chief
                                      Financial Officer

Daniel Nelson                         Vice President

Larry Merlo                           Vice President

Aldwin Jolly                          Vice President

Larry Solberg                         Vice President

Nancy Christal                        Vice President

Philip Galbo                          Vice President and Treasurer

Zenon Lankowsky                       Secretary




                                                           SCHEDULE B



                     TRANSACTIONS IN SHARES OF THE ISSUER
                  SINCE  DECEMBER 14, 1996 BY CVS CORPORATION

- ----------------------------------------------------------------------------
               Number of                                       Aggregate
  Date of       Shares                            Price Per    Purchase
Transaction    Purchased    Nature of Purchase      Share        Price
- ----------------------------------------------------------------------------


               Since December 14, 1996, CVS Corporation has not, directly or
indirectly, made any open market or private purchases of shares of Common
Stock.





                             STOCKHOLDER AGREEMENT


               AGREEMENT dated as of February 6, 1997 between CVS Corporation,
a Delaware corporation ("CVS"), and Zell/Chilmark Fund, L.P., a Delaware
limited partnership (the "Stockholder").

                             W I T N E S S E T H:

               WHEREAS, immediately prior to the execution of this Agreement,
CVS, Revco D.S., Inc., a Delaware corporation (the "Company"), and North
Acquisition Corp., a Delaware corporation ("Merger Subsidiary"), have entered
into an Agreement and Plan of Merger (as such agreement may hereafter be
amended from time to time, the "Merger Agreement"), pursuant to which Merger
Subsidiary will be merged with and into the Company (the "Merger"); and

               WHEREAS, as an inducement and a condition to entering into the
Merger Agreement, CVS has requested that the Stockholder agree, and the
Stockholder has agreed, to enter into this Agreement;

               NOW, THEREFORE, in consideration of the foregoing and the mutual
promises, representations, warranties, covenants and agreements contained
herein, the parties hereto, intending to be legally bound hereby, agree as
follows:

               Section 1.  Certain Definitions.  Capitalized terms used and not
defined herein have the respective meanings ascribed to them in the Merger
Agreement.  For purposes of this Agreement:

           (a)  "Affiliate" shall mean, when used with respect to any Person,
any other Person directly or indirectly controlling, controlled by or under
common control with such Person.  As used in this definition, the term
"control" means possession, directly or indirectly, of the power to direct or
control the direction of management or policies of a Person, whether through
the ownership of voting securities, by contract or otherwise.  Notwithstanding
the foregoing, "Affiliate" when used with respect to the Stockholder shall
exclude any entity that would otherwise be an Affiliate hereunder but that is
not 100% Beneficially Owned by Samuel Zell.

           (b)  "Beneficially Own" or "Beneficial Ownership" with respect to
any securities shall mean having "beneficial ownership" of such securities (as
determined pursuant to Rule 13d-3 under the Securities Exchange Act of 1934,
as amended (the "Exchange Act")), including pursuant to any agreement,
arrangement or understanding, whether or not in writing.  Without duplicative
counting of the same securities by the same holder, securities Beneficially
Owned by a Person shall include securities Beneficially Owned by all other
Persons with whom such Person would constitute a "group" within the meaning of
Section 13(d) of the Exchange Act with respect to securities of the same
issuer.

           (c)  "Company Common Stock" shall mean at any time the common
stock, $.01 par value, of the Company.

           (d)  "Existing Shares" shall mean the shares of Company Common
Stock Beneficially Owned by the Stockholder on the date hereof.

           (e)  "Shares" shall mean the Existing Shares and any shares of
Company Common Stock and/or other equity securities of the Company acquired by
the Stockholder in any capacity after the date hereof and prior to the
termination of this Agreement, whether upon the exercise of options, warrants
or rights, the conversion or exchange of convertible or exchangeable
securities, or by means of purchase, dividend, distribution, split-up,
recapitalization, combination, exchange of shares or the like, gift, bequest,
inheritance or as a successor in interest in any capacity or otherwise
Beneficially Owned by the Stockholder.

               Section 2.  Voting of Company Common Stock.   The Stockholder
hereby agrees that at any meeting (whether annual or special and whether or
not an adjourned or postponed meeting) of the holders of Company Common Stock,
however called, or in connection with any written consent of the holders of
Company Common Stock, the Stockholder will appear at the meeting or otherwise
cause the Shares to be counted as present thereat for purposes of establishing
a quorum and the Stockholder shall vote or consent (or cause to be voted or
consented) the Shares held of record or Beneficially Owned by the Stockholder
in favor of the Merger, the execution and delivery by the Company of the
Merger Agreement and the approval and adoption of the terms thereof and each
of the other actions contemplated by the Merger Agreement and this Agreement
and any actions required in furtherance thereof and hereof.

               Section 3.  Covenants, Representations and Warranties of the
Stockholder.  The Stockholder hereby represents and warrants to, and agrees
with, CVS as follows:

           (a)  Ownership of Shares.  The Stockholder is the record and
Beneficial Owner of Existing Shares consisting of 13,102,288 shares of Company
Common Stock.  On the date hereof, the Existing Shares constitute all of the
Shares owned of record or Beneficially Owned by the Stockholder.  The
Stockholder has sole voting power (except as provided in the Stockholder's
Agreement dated as of June 1, 1992, by and between Revco and the Stockholder
(the "Revco Stockholder Agreement")) and sole power to issue instructions with
respect to the matters set forth in Section 2 hereof, sole power of
disposition (except as provided in the Agreement of Limited Partnership of
Zell/Chilmark Fund, L.P. (the "Zell Fund Agreement")), sole power of
conversion, sole power to demand appraisal rights and sole power to agree to
all of the matters set forth in this Agreement, in each case with respect to
all of the Existing Shares with no limitations, qualifications or restrictions
on such rights, subject to applicable securities laws and the terms of this
Agreement.  Upon consummation of the Merger, the Stockholder will have sole
voting power (except as provided in the Revco Stockholder Agreement) and sole
power to issue instructions with respect to the matters set forth in Section 4
hereof, sole power of disposition (except as provided in the Zell Fund
Agreement), sole power of conversion, sole power to demand appraisal rights
and sole power to agree to all of the matters set forth in this Agreement, in
each case with respect to all of the shares of CVS Common Stock it holds of
record or Beneficially Owns with no limitations, qualifications or
restrictions on such rights, subject to applicable securities laws and the
terms of this Agreement.

           (b)  Corporate Authorization.  This Agreement has been duly and
validly executed and delivered by the Stockholder and constitutes a valid and
binding agreement enforceable against the Stockholder in accordance with its
terms except to the extent (i) such enforcement may be limited by applicable
bankruptcy, insolvency or similar laws affecting creditors rights and (ii) the
remedy of specific performance and injunctive and other forms of equitable
relief may be subject to equitable defenses and to the discretion of the court
before which any proceeding therefor may be brought.

           (c)  No Conflicts.  Except for filings, authorizations, consents and
approvals as may be required under the HSR Act, the 1934 Act and the 1933 Act,
(i) no filing with, and no permit, authorization, consent or approval of, any
state or federal governmental body or authority is necessary for the execution
and delivery of this Agreement by the Stockholder and the consummation by the
Stockholder of the transactions contemplated hereby and (ii) none of the
execution and delivery of this Agreement by the Stockholder, the consummation
by the Stockholder of the transactions contemplated hereby or compliance by
the Stockholder with any of the provisions hereof shall (A) conflict with or
result in any breach of the organizational documents of the Stockholder, (B)
result in a violation or breach of, or constitute (with or without notice or
lapse of time or both) a default (or give rise to any third party right of
termination, cancellation, material modification or acceleration) under any of
the terms, conditions or provisions of any note, loan agreement, bond,
mortgage, indenture, license, contract, commitment, arrangement,
understanding, agreement or other instrument or obligation of any kind to
which the Stockholder is a party or by which the Stockholder or any of its
properties or assets may be bound, or (C) violate any order, writ, injunction,
decree, judgment, statute, law, rule or regulation applicable to the
Stockholder or any of its properties or assets.

           (d)  No Encumbrances.  Other than as provided in the Revco
Stockholder Agreement as to voting of the Shares and in the Zell Fund
Agreement as to provisions relating to timing of disposition of the Shares by
the Stockholder, and except as applicable in connection with the transactions
contemplated hereby, the Shares and the certificates representing such Shares
are now, and at all times during the term hereof, will be, held by the
Stockholder, or by a nominee or custodian for the benefit of the Stockholder,
free and clear of all liens, claims, security interests, proxies, voting
trusts or agreements, understandings or arrangements or any other encumbrances
whatsoever, except for any such encumbrances or proxies arising hereunder.

           (e)  No Finder's Fees.  Other than as contemplated by the Merger
Agreement with respect to fees payable by the Company, no broker, investment
banker, financial advisor or other Person is entitled to any broker's,
finder's, financial adviser's or other similar fee or commission in connection
with the transactions contemplated hereby based upon arrangements made by or
on behalf of the Stockholder.

           (f)  No Solicitation.  The Stockholder shall not, and shall cause
its Affiliates and officers, directors, employees, investment bankers,
consultants and other agents of the Stockholder and such Affiliates (such
Affiliates, officers, directors, employees, investment bankers, consultants
and other agents of any Person are hereinafter collectively referred to as the
"Representatives" of such Person) not to, directly or indirectly, take any
action to initiate, solicit, encourage or facilitate the making of any
Acquisition Proposal or any inquiry with respect thereto, or engage in
discussions or negotiations with any Person (other than CVS or any of its
Affiliates or Representatives) relating to any Acquisition Proposal or
disclose any non-public information relating to Revco or any Subsidiary of
Revco or afford access to the properties, books or records of Revco or any
Subsidiary of Revco, to any Person that has made any Acquisition Proposal.  The
Stockholder shall notify CVS orally and in writing of any offers, proposals or
inquiries received by the Stockholder relating to the purchase or acquisition
by any Person of the Shares and of any Acquisition Proposal actually known to
the Stockholder (including in each case the material terms and conditions
thereof and the identity of the Person making it), within 24 hours of the
receipt thereof.  The Stockholder shall, and shall cause its Representatives
to, immediately cease and cause to be terminated any and all existing
activities, discussions or negotiations, if any, with any parties conducted
heretofore with respect to any Acquisition Proposal, other than discussions or
negotiations with CVS and its Affiliates.  For purposes of the foregoing,
Representatives of the Stockholder will not include investment bankers or
consultants that approach or contact the Stockholder, the Company or any other
Person, without having been solicited by the Stockholder, regarding such an
offer, proposal or inquiry so long as the Stockholder does not thereafter
encourage or retain such investment bankers or consultants to pursue such
offer, proposal or inquiry.  Notwithstanding the restrictions set forth in
this Section 3(f), each of the Company and any Person who is an officer or
director of the Company may take any action consistent with the terms of the
Merger Agreement.

           (g)  Restriction on Transfer, Proxies; Non-Interference.  The
Stockholder shall not, directly or indirectly: (i) offer for sale, sell,
transfer, tender, pledge, encumber (other than by operation of law), assign or
otherwise dispose of, or enter into any contract, option or other arrangement
or understanding with respect to or consent to the offer for sale, sale,
transfer, tender, pledge, encumbrance, assignment or other disposition of, any
or all of the Shares or any interest therein; (ii) except as contemplated by
this Agreement, grant any proxies or powers of attorney, deposit the Shares
into a voting trust or enter into a voting agreement with respect to the
Shares; or (iii) take any action that would make any representation or
warranty of the Stockholder contained herein untrue or incorrect or would
result in a breach by the Stockholder of its obligations under this Agreement
or a breach by the Company of its obligations under the Merger Agreement or
the effect of which would be inconsistent or violative of any provision or
agreement contained in this Agreement.

           (h)  Reliance by CVS.  The Stockholder understands and acknowledges
that CVS is entering into the Merger Agreement in reliance upon the
Stockholder's execution and delivery of this Agreement.

               Section 4.  Representations and Warranties of CVS.  CVS hereby
represents and warrants to the Stockholder as follows:

           (a)  Organization.  CVS is a corporation duly organized, validly
existing and in good standing under the laws of the State of Delaware, has all
requisite corporate power and authority to execute and deliver this Agreement
and perform its obligations hereunder.  The execution and delivery by CVS of
this Agreement and the performance by CVS of its obligations hereunder have
been duly and validly authorized by the Board of Directors of CVS and no other
corporate proceedings on the part of CVS are necessary to authorize the
execution, delivery or performance of this Agreement or the consummation of
the transactions contemplated hereby.

           (b)  Corporate Authorization.  This Agreement has been duly and
validly executed and delivered by CVS and constitutes a valid and binding
agreement of CVS enforceable against CVS in accordance with its terms except
to the extent (i) such enforcement may be limited by applicable bankruptcy,
insolvency or similar laws affecting creditors rights and (ii) the remedy of
specific performance and injunctive and other forms of equitable relief may be
subject to equitable defenses and to the discretion of the court before which
any proceeding therefor may be brought.

           (c)  No Conflicts.  Except for filings, authorizations, consents and
approvals as may be required under the HSR Act, the 1934 Act and the 1933 Act,
(i) no filing with, and no permit, authorization, consent or approval of, any
state or federal governmental body or authority is necessary for the execution
and delivery of this Agreement by CVS and the consummation by CVS of the
transactions contemplated hereby and (ii) none of the execution and delivery
of this Agreement by CVS, the consummation by CVS of the transactions
contemplated hereby or compliance by CVS with any of the provisions hereof
shall (A) conflict with or result in any breach of the certificate of
incorporation or by-laws of CVS, (B) result in a violation or breach of, or
constitute (with or without notice or lapse of time or both) a default (or
give rise to any third party right of termination, cancellation, material
modification or acceleration) under any of the terms, conditions or provisions
of any note, loan agreement, bond, mortgage, indenture, license, contract,
commitment, arrangement, understanding, agreement or other instrument or
obligation of any kind to which CVS is a party or its properties or assets may
be bound, or (C) violate any order, writ, injunction, decree, judgment,
statute, law, rule or regulation applicable to CVS or any of its properties or
assets.

           (d)  No Finder's Fee.  Except for Donaldson, Lufkin & Jenrette
Securities Corporation and CS First Boston Corporation whose fees will be paid
by CVS, no broker, investment banker, financial adviser or other Person is
entitled to any broker's, finder's, financial adviser's or other similar fee or
commission in connection with the transactions contemplated hereby based upon
arrangements made by or on behalf of CVS.

               Section 5.  Stop Transfer; Legend.  (a) The Stockholder agrees
with, and covenants to, CVS that the Stockholder shall not request that the
Company register the transfer (book-entry or otherwise) of any certificate or
uncertificated interest representing any of the Shares unless such transfer is
made in compliance with this Agreement.

           (b)  In the event of a stock dividend or distribution, or any
change in the Company Common Stock by reason of any stock dividend, split-up,
recapitalization, combination, exchange of shares or the like other than
pursuant to the Merger, the term "Shares" shall be deemed to refer to and
include the shares of Company Common Stock as well as all such stock dividends
and distributions and any shares into which or for which any or all of the
Shares may be changed or exchanged and appropriate adjustments shall be made
to the terms and provisions of this Agreement.

           (c)  The Stockholder will, prior to the Effective Time, duly execute
and deliver to CVS the Affiliate's letter contemplated in Section 5.11 of the
Merger Agreement substantially in the form of Exhibit C-3 to the Merger
Agreement.

           (d)  The Stockholder shall promptly after the date hereof surrender
to the Company all certificates representing the Shares, and the Company shall
place the following legend on such certificates:

                  "THE SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT
                  TO A STOCKHOLDER AGREEMENT DATED AS OF FEBRUARY 6, 1997 BY
                  AND BETWEEN CVS CORPORATION AND ZELL/CHILMARK FUND, L.P.
                  WHICH AMONG OTHER THINGS RESTRICTS THE TRANSFER AND VOTING
                  THEREOF."

               Section 6.  Termination.  The provisions of this Agreement shall
terminate upon the earlier to occur of (i) the Effective Time and (ii) the
termination of the Merger Agreement in accordance with its terms.

               Section 7.  Confidentiality.  The Stockholder recognizes that
successful consummation of the transactions contemplated by this Agreement may
be dependent upon confidentiality with respect to the matters referred to
herein.  In this connection, pending public disclosure thereof, the Stockholder
hereby agrees not to disclose or discuss such matters with anyone not a party
to this Agreement (other than to the Company and to its and the Company's
counsel and advisors) without the prior written consent of CVS, except for
filings required pursuant to the Exchange Act and the rules and regulations
thereunder or disclosures its counsel advises are necessary in order to
fulfill its obligations imposed by law, in which event the Stockholder shall
give prior notice of such disclosure to CVS as promptly as practicable so as
to enable CVS to seek a protective order from a court of competent
jurisdiction with respect thereto.

               Section 8.  Disclosure.  (a) The Stockholder hereby agrees to
permit CVS to publish and disclose in the Form S-4 and the CVS Proxy Statement
(including all documents, exhibits and schedules filed with the SEC), and any
press release or other disclosure document which CVS's counsel advises are
necessary or desirable in connection with the Merger and any transactions
related thereto, the Stockholder's identity and ownership of Company Common
Stock or shares of CVS Common Stock, as the case may be, and the nature of its
commitments, arrangements and understandings under this Agreement.

           (b)  The Stockholder hereby agrees to permit Revco to publish and
disclose in the Revco Proxy Statement (including all documents, exhibits and
schedules filed with the SEC), and any press release or other disclosure
document which Revco, in its sole discretion, determines to be necessary or
desirable in connection with the Merger and any transactions related thereto,
the Stockholder's identity and ownership of Company Common Stock or shares of
CVS Common Stock, as the case may be, and the nature of its commitments,
arrangements and understandings under this Agreement.

               Section 9.  Miscellaneous.  (a) Entire Agreement.  This
Agreement, the Merger Agreement and the Registration Rights Agreement referred
to therein constitute the entire agreement between the parties with respect to
the subject matter hereof and thereof and supersedes all other prior agreements
and understandings, both written and oral, between the parties with respect to
the subject matter hereof and thereof.

           (b)  Binding Agreement.  The Stockholder agrees that this Agreement
and the obligations hereunder shall attach to the Shares and shall be binding
upon any Person to which legal or Beneficial Ownership of such Shares shall
pass, whether by operation of law or otherwise, including, without limitation,
the Stockholder's heirs, distributees, guardians, administrators, executors,
legal representatives, or successors, partners or other transferees (for value
or otherwise) and any other successors in interest.  Notwithstanding any
transfer of Shares, the transferor shall remain liable for the performance of
all obligations under this Agreement of the transferor.  Nothing in this
clause (b) shall permit any transfer of Shares otherwise prohibited by the
provisions of this Agreement.

           (c)  Assignment.  No party may assign any of its rights or
obligations hereunder, by operation of law or otherwise, without the prior
written consent of the other party; provided that CVS may assign, in its sole
discretion, its rights and obligations hereunder to any direct or indirect
wholly owned subsidiary of CVS, but no such assignment shall relieve CVS of
its obligations hereunder if such assignee does not perform such obligations.

           (d)  Amendments, Waivers, Etc.  This Agreement may not be amended,
changed, supplemented, waived or otherwise modified or terminated, except upon
the execution and delivery of a written agreement executed by the parties
hereto.
           (e)  Notices.  All notices, requests, claims, demands and other
communications hereunder shall be in writing and shall be given (and shall be
deemed to have been duly received if given) by hand delivery or telecopy (with
a confirmation copy sent for next day delivery via courier service, such as
Federal Express), or by any courier service, such as Federal Express,
providing proof of delivery.  All communications hereunder shall be delivered
to the respective parties at the following addresses:

          If to Stockholder:      Zell/Chilmark Fund, L.P.
                                  Two CVS Riverside Plaza
                                  Suite 1500
                                  Chicago, Illinois 60606
                                  Attention: Sheli Z. Rosenberg
                                  Telephone No.: (312) 984-9711
                                  Telecopy No.: (312) 984-0317

          with a copy to:         Rosenberg & Liebentritt
                                  2 North Riverside Plaza
                                  Suite 1601
                                  Chicago, Illinois 60606
                                  Attention: Alisa Singer
                                  Telephone No.: (312) 454-0335
                                  Telecopy No.: (312) 466-3196

          If to CVS:              CVS Corporation
                                  One CVS Drive
                                  Woonsocket, RI 02895
                                  Attention: Thomas M. Ryan
                                  Telephone: 401-765-1500
                                  Telecopy No.: 401-765-4128

          with a copy to:         Davis Polk & Wardwell
                                  450 Lexington Avenue
                                  New York, New York 10017
                                  Attention: Dennis S. Hersch
                                  Telephone No.: (212) 450-4545
                                  Telecopy No.: (212) 450-5744

or to such other address as the Person to whom notice is given may have
previously furnished to the others in writing in the manner set forth above.

           (f)  Severability.  Whenever possible, each provision or portion of
any provision of this Agreement will be interpreted in such manner as to be
effective and valid under applicable law but if any provision or portion of any
provision of this Agreement is held to be invalid, illegal or unenforceable in
any respect under any applicable law or rule in any jurisdiction, such
invalidity, illegality or unenforceability will not affect any other provision
or portion of any provision in such jurisdiction, and this Agreement will be
reformed, construed and enforced in such jurisdiction as if such invalid,
illegal or unenforceable provision or portion of any provision had near been
contained herein.

           (g)  Specific Performance.  Each of the parties hereto recognizes
and acknowledges that a breach by it of any covenants or agreements contained
in this Agreement will cause the other party to sustain damages for which it
would not have an adequate remedy at law for money damages, and therefore each
of the parties hereto agrees that in the event of any such breach the
aggrieved party shall be entitled to the remedy of specific performance of such
covenants and agreements and injunctive and other equitable relief in addition
to any other remedy to which it may be entitled, at law or in equity.

           (h)  Remedies Cumulative.  All rights, powers and remedies provided
under this Agreement or otherwise available in respect hereof at law or in
equity shall be cumulative and not alternative, and the exercise of any thereof
by any party shall not preclude the simultaneous or later exercise of any other
such right, power or remedy by such party.

           (i)  No Waiver.  The failure of any party hereto to exercise any
right, power or remedy provided under this Agreement or otherwise available in
respect hereof at law or in equity, or to insist upon compliance by any other
party hereto with its obligations hereunder, and any custom or practice of the
parties at variance with the terms hereof, shall not constitute a waiver by
such party of its right to exercise any such or other right, power or remedy
or to demand such compliance.

           (j)  No Third Party Beneficiaries.  Except for Section 8(b) hereof,
this Agreement is not intended to be for the benefit of, and shall not be
enforceable by, any Person who or which is not a party hereto.

           (k)  Governing Law.  This Agreement shall be governed and construed
in accordance with the laws of the State of Delaware, without giving effect to
the principles of conflicts of law thereof.

           (l)  Jurisdiction.  Each party hereby irrevocably submits to the
exclusive jurisdiction of the Court of Chancery in the State of Delaware in any
action, suit or proceeding arising in connection with this Agreement, and
agrees that any such action, suit or proceeding shall be brought only in such
court (and waives any objection based on forum non conveniens or any other
objection to venue therein); provided, however, that such consent to
jurisdiction is solely for the purpose referred to in this Section 9(l) and
shall not be deemed to be a general submission to the jurisdiction of said
Court or in the State of Delaware other than for such purposes.  Each party
hereto hereby waives any right to a trial by jury in connection with any such
action, suit or proceeding.

           (m)  Further Assurances.  From time to time, at the other party's
request and without further consideration, each party hereto shall execute and
deliver such additional documents and take all such further lawful action as
may be necessary or desirable to consummate and make effective, in the most
expeditious manner practicable, the transactions contemplated by this
Agreement.

           (n)  Descriptive Headings.  The descriptive headings used herein are
inserted for convenience of reference only and are not intended to be part of
or to affect the meaning or interpretation of this Agreement.

           (o)  Counterparts.  This Agreement may be executed in counterparts,
each of which shall be deemed to be an original, but all of which, taken
together, shall constitute one and the same Agreement.





               IN WITNESS WHEREOF, CVS and the Stockholder have caused this
Agreement to be duly executed as of the day and year first above written.

                      CVS CORPORATION


                      By:     /s/ Stanley P. Goldstein
                      ----------------------------------------
                       Name: Stanley P. Goldstein
                       Title: Chairman and Chief Executive
                                Officer


                      ZELL/CHILMARK FUND, L.P.

                      By: ZC Limited Partnership, general
                      partner

                      By: ZC Partnerships, general partner

                      By: ZC Inc., a partner


                      By:      /s/ Sheli Z. Rosenberg
                      ----------------------------------------
                       Name: Sheli Z. Rosenberg
                       Title: Vice President




                         AGREEMENT AND PLAN OF MERGER

                                  dated as of

                               February 6, 1997

                                     among

                               CVS CORPORATION,

                               REVCO D.S., INC.

                                      AND

                            NORTH ACQUISITION CORP.


                               TABLE OF CONTENTS


                                                                    Page
                                                                    ----
                                 ARTICLE 1
                                The Merger

                  Section 1.1.  The Merger...........................  2
                  Section 1.2.  Conversion of Shares.................  2
                  Section 1.3.  Surrender and Payment................  4
                  Section 1.4.  Stock Options........................  5
                  Section 1.5.  Fractional Shares....................  7
                  Section 1.6.  Adjustments..........................  8

                                 ARTICLE 2
                         The Surviving Corporation

                  Section 2.1.  Certificate of Incorporation.........  9
                  Section 2.2.  Bylaws...............................  9
                  Section 2.3.  Directors and Officers...............  9

                                 ARTICLE 3
                  Representations and Warranties of Revco

                  Section 3.1.  Organization and Power...............  9
                  Section 3.2.  Corporate Authorization.............. 10
                  Section 3.3.  Governmental Authorization........... 10
                  Section 3.4.  Non-Contravention.................... 11
                  Section 3.5.  Capitalization of Revco.............. 12
                  Section 3.6.  Capitalization of Subsidiaries....... 13
                  Section 3.7.  SEC Filings.......................... 13
                  Section 3.8.  Financial Statements................. 14
                  Section 3.9.  Disclosure Documents................. 14
                  Section 3.10.  Information Supplied................ 14
                  Section 3.11.  Absence of Certain Changes.......... 15
                  Section 3.12.  No Undisclosed Material Liabilities. 17
                  Section 3.13.  Litigation.......................... 17
                  Section 3.14.  Taxes............................... 17
                  Section 3.15.  Employee Benefit Plans; ERISA....... 18
                  Section 3.16.  Compliance with Laws; No Default; No
                                 Non-Competes........................ 20
                  Section 3.17.  Finders' Fees....................... 20
                  Section 3.18.  Environmental Matters............... 21
                  Section 3.19.  Assets.............................. 22
                  Section 3.20.  Opinion of Financial Advisor........ 22
                  Section 3.21.  Transactions with Affiliates........ 22
                  Section 3.22.  Accounting Matters.................. 23
                  Section 3.23.  Insurance........................... 23
                  Section 3.24.  Takeover Statutes................... 23
                  Section 3.25.  Former Merger Agreement............. 23
                  Section 3.26.  Pooling Letter...................... 23
                  Section 3.27.  Affiliates.......................... 24

                                 ARTICLE 4
                   Representations and Warranties of CVS

                  Section 4.1.  Organization and Power............... 24
                  Section 4.2.  Corporate Authorization.............. 24
                  Section 4.3.  Governmental Authorization........... 25
                  Section 4.4.  Non-Contravention.................... 25
                  Section 4.5.  Capitalization of CVS................ 26
                  Section 4.6.  Capitalization of Subsidiaries....... 27
                  Section 4.7.  SEC Filings.......................... 27
                  Section 4.8.  Financial Statements................. 28
                  Section 4.9.  Disclosure Documents................. 28
                  Section 4.10.  Information Supplied................ 29
                  Section 4.11.  Absence of Certain Changes.......... 29
                  Section 4.12.  No Undisclosed Material Liabilities. 30
                  Section 4.13.  Litigation.......................... 31
                  Section 4.14.  Taxes............................... 31
                  Section 4.15.  Employee Benefits, ERISA............ 31
                  Section 4.16.  Compliance with Laws; No Default; No
                                 Non-Competes........................ 33
                  Section 4.17.  Finders' Fees....................... 33
                  Section 4.18.  Environmental Matters............... 34
                  Section 4.19.  Assets.............................. 34
                  Section 4.20.  Opinion of Financial Advisor........ 34
                  Section 4.21.  Transactions with Affiliates........ 35
                  Section 4.22.  Accounting Matters.................. 35
                  Section 4.23.  Insurance........................... 35
                  Section 4.24.  Takeover Statutes................... 35
                  Section 4.25.  Pooling Letter...................... 35
                  Section 4.26.  Affiliates.......................... 35

                                 ARTICLE 5
                                 Covenants

                  Section 5.1.  Conduct of Revco..................... 36
                  Section 5.2.  Conduct of CVS....................... 38
                  Section 5.3.  Stockholder Meetings; Proxy Materials;
                                Form S-4............................. 40
                  Section 5.4.  Access to Information................ 42
                  Section 5.5.  Other Offers......................... 42
                  Section 5.6.  Notices of Certain Events............ 43
                  Section 5.7.  Best Efforts......................... 44
                  Section 5.8.  Cooperation.......................... 46
                  Section 5.9.  Public Announcements................. 46
                  Section 5.10.  Further Assurances.................. 47
                  Section 5.11.  Affiliates; Registration Rights..... 47
                  Section 5.12.  Director and Officer Liability...... 47
                  Section 5.13.  Obligations of Merger Subsidiary.... 48
                  Section 5.14.  Listing of Stock.................... 48
                  Section 5.15.  Antitakeover Statutes............... 49
                  Section 5.16.  Confidentiality/Standstill Agreement 49
                  Section 5.17.  Tax and Accounting Treatment........ 49
                  Section 5.18.  Employee Benefits................... 49
                  Section 5.19.  CVS Board of Directors.............. 51
                  Section 5.20.  Combined Financial Results.......... 51
                  Section 5.21.  Charitable Commitment............... 51

                                 ARTICLE 6
                         Conditions to the Merger

                  Section 6.1.  Conditions to the Obligations of Each
                                 Party............................... 51
                  Section 6.2.  Conditions to the Obligations of CVS
                                and Merger Subsidiary................ 52
                  Section 6.3.  Conditions to the Obligations of
                                Revco................................ 52

                                 ARTICLE 7
                                Termination

                  Section 7.1.  Termination.......................... 53
                  Section 7.2.  Effect of Termination................ 55

                                 ARTICLE 8
                               Miscellaneous

                  Section 8.1.  Notices.............................. 55
                  Section 8.2.  Entire Agreement; Non-Survival of
                                Representations and Warranties;
                                Third Party Beneficiaries............ 56
                  Section 8.3.  Amendments; No Waivers............... 56
                  Section 8.4.  Expenses............................. 57
                  Section 8.5.  Successors and Assigns............... 58
                  Section 8.6.  Governing Law........................ 58
                  Section 8.7.  Jurisdiction......................... 58
                  Section 8.8.  Counterparts; Effectiveness.......... 58
                  Section 8.9.  Interpretation....................... 58
                  Section 8.10.  Severability........................ 59
                  Section 8.11.  Specific Performance................ 59
                  Section 8.12.  Joint and Several Liability......... 59


Schedules

Exhibit A         Zell/Chilmark Stockholder Agreement
Exhibit B         Registration Rights Agreement
Exhibit C-1       Affiliate's Letter Relating to Pooling (Revco)
Exhibit C-2       Affiliate's Letter Relating to Pooling (CVS)
Exhibit C-3       Affiliate's Letter (Revco)
Exhibit D         Form of Tax Certificate (CVS)
Exhibit E         Form of Tax Certificate (Revco)

                             TABLE OF DEFINITIONS

<TABLE>
<CAPTION>
Term                                                       Section
- -------------------------------------------    -------------------------

<S>                                              <C>
1933 Act Affiliates                                     5.11(c)
1933 Act                                                3.03
1934 Act                                                3.03
Acquisition Proposal                                    5.03(a)
Adjusted Option                                         1.04(a)
Affiliate                                               3.21
Antitrust Law                                           5.07(b)
Big B                                                   3.05(a)
Big B Acquisition                                       3.05(a)
Calculated Number                                       1.02(a)
Closing                                                 1.01(b)
Closing Date                                            1.01(b)
Code                                               recitals
Common Shares Trust                                     1.05(b)
Confidentiality Agreement                               5.04(a)
Continuing Employees                                    5.18(a)
Conversion Number                                       1.02(a)
CVS                                                preamble
CVS 10-K                                                4.08
CVS Agreement                                           4.04
CVS Average Closing Price                               1.02(a)
CVS Balance Sheet                                       4.08
CVS Balance Sheet Date                                  4.08
CVS Benefit Plans                                       4.15(a)
CVS Common Stock                                        1.02(a)
CVS Disclosure Documents                                4.09(a)
CVS ESOP Preference Stock                               4.05(a)
CVS Preferred Stock                                     4.05(a)
CVS Proxy Statement                                     4.09(a)
CVS Restructuring Program                               4.11(f)
CVS Securities                                          4.05(a)
CVS SEC Documents                                       4.07(a)
CVS Stockholder Approval                                5.03(b)
CVS Stockholder Meeting                                 5.03(b)
CVS Subsidiary Securities                               4.06
Delaware Law                                            1.01(a)
DOJ                                                     5.07(b)
Effective Time                                          1.01(c)
End Date                                                7.01(b)
ERISA                                                   3.15(a)
ERISA Affiliate                                         3.15(a)
EVA Plan                                                5.18(b)
Exchange Agent                                          1.03(a)
Existing Company/Stockholder Agreements                 3.05(b)
Fixed Number                                            1.02(a)
Form S-4                                                4.09
FTC                                                     5.07(c)
GAAP                                               recitals
Governmental Authority                                  3.03
HSR Act                                                 3.03
Indemnified Party                                       5.12
IS Projects                                             5.01(k)
Lien                                                    3.04
LTIP                                                    1.04(a)
Material Adverse Effect                                 3.01
Merger                                                  1.01(a)
Merger Consideration                                    1.02(c)
Merger Subsidiary                                  preamble
NEDP                                                    1.04(a)
Notice of Superior Proposal                             5.03(a)
NYSE                                                    1.02(a)
Permitted CVS Transactions                              5.02
Person                                                  1.02(d)
qualified stock options                                 1.04(a)
Random Trading Days                                     1.02(a)
Revco                                              preamble
Revco 10-K                                              3.08
Revco Agreement                                         3.04
Revco Balance Sheet                                     3.08
Revco Balance Sheet Date                                3.08
Revco Benefit Plans                                     3.15(a)
Revco Common Stock                                      1.02(a)
Revco Option Plans                                      1.04(a)
Revco Preferred Stock                                   3.05(a)
Revco Proxy Statement                                   3.09
Revco Securities                                        3.05(a)
Revco SEC Documents                                     3.07(a)
Revco Stockholder Approval                              5.03(a)
Revco Stockholder Meeting                               5.03(a)
Revco Stock Option                                      1.04(a)
Revco Subsidiary Securities                             3.06
SEC                                                     3.07(a)
Service                                                 3.14(c)
Settlement                                              5.07(d)
Share                                                   1.02(a)
Significant Subsidiary                                  3.01
Subsidiary                                              1.02(d)
Superior Proposal                                       5.03(a)
Surviving Corporation                                   1.01(a)
Takeover Statute                                        3.24
Tax Return                                              3.14(d)
Taxes                                                   3.14(d)
Taxing Authority                                        3.14(d)
Threshold Settlement                                    5.07(d)
Trigger Event                                           8.04(b)
Zell/Chilmark                                      recitals
Zell/Chilmark Stockholder Agreement                recitals
</TABLE>




                         AGREEMENT AND PLAN OF MERGER


               AGREEMENT AND PLAN OF MERGER dated as of February 6, 1997 among
CVS Corporation, a Delaware corporation ("CVS"), Revco D.S., Inc., a Delaware
corporation ("Revco"), and North Acquisition Corp., a Delaware corporation and
a wholly-owned subsidiary of CVS ("Merger Subsidiary").

               WHEREAS, the respective Boards of Directors of CVS and Revco
have approved, and deem it advisable and in the best interests of their
respective stockholders to consummate, the acquisition of Revco by CVS on the
terms and conditions set forth herein;

               WHEREAS, for United States federal income tax purposes, it is
intended that the Merger contemplated by this Agreement qualify as a
"reorganization" within the meaning of Section 368 of the Internal Revenue
Code of 1986, as amended, and the rules and regulations promulgated thereunder
(the "Code");

               WHEREAS, for accounting purposes, it is intended that the
Merger be accounted for as a pooling of interests under United States
generally accepted accounting principles ("GAAP"); and

               WHEREAS, as a condition and inducement to CVS entering into this
Agreement and incurring the obligations set forth herein, concurrently with the
execution and delivery of this Agreement, CVS is entering into a Stockholder
Agreement with Zell/Chilmark Fund, L.P. ("Zell/Chilmark") in the form of
Exhibit A hereto (the "Zell/Chilmark Stockholder Agreement") pursuant to
which, among other things, such stockholder has agreed to vote the shares of
Revco Common Stock owned by such stockholder in favor of this Agreement and
the Merger provided for herein;

               NOW, THEREFORE, in consideration of the promises and the
respective representations, warranties, covenants, and agreements set forth
herein and in the Zell/Chilmark Stockholder Agreement, the parties hereto
agree as follows:




                                   ARTICLE 1


                                  The Merger

               Section 1.01.  The Merger.  (a)  Upon the terms and subject
to the conditions set forth in this Agreement, at the Effective Time,
Merger Subsidiary shall be merged (the "Merger") with and into Revco in
accordance with the Delaware General Corporation Law (the "Delaware Law"),
whereupon the separate existence of Merger Subsidiary shall cease, and
Revco shall continue as the surviving corporation (the "Surviving
Corporation").

           (b)  Upon the terms and subject to the conditions of this Agreement,
the closing of the Merger (the "Closing") shall take place at 10:00 a.m. on a
date to be specified by the parties (the "Closing Date"), which shall be no
later than the second business day after satisfaction of the conditions set
forth in Article 6, at the offices of Davis Polk & Wardwell, 450 Lexington
Avenue, New York, New York 10017, unless another time, date or place is agreed
to in writing by the parties hereto.

           (c)  Upon the Closing, Revco and Merger Subsidiary will file a
certificate of merger with the Secretary of State of the State of Delaware and
make all other filings or recordings required by Delaware Law in connection
with the Merger.  The Merger shall become effective at such time as the
certificate of merger is duly filed with the Secretary of State of the State of
Delaware or at such later time as is agreed by CVS and Revco and specified in
the certificate of merger (the "Effective Time").

           (d)  The Merger shall have the effects set forth in Section 259 of
the Delaware Law.

               Section 1.02.  Conversion of Shares.  (a) At the Effective Time:

                 (i)  each share of Common Stock, par value $0.01 per share,
of Revco (the "Revco Common Stock") held by Revco as treasury stock or owned
by CVS or any Subsidiary of CVS immediately prior to the Effective Time shall
be cancelled, and no CVS Common Stock or other consideration shall be
delivered in exchange therefor;

                (ii)  each share of common stock, par value $0.01 per share, of
Merger Subsidiary outstanding immediately prior to the Effective Time shall be
converted into and become one share of common stock of the Surviving
Corporation and shall constitute the only outstanding shares of capital stock
of the Surviving Corporation; and

               (iii)  each share (each, a "Share" and collectively, the
"Shares") of Revco Common Stock outstanding immediately prior to the Effective
Time shall, except as otherwise provided in Section 1.02(a)(i), be converted
into the right to receive the number of shares of fully paid and
non-assessable Common Stock, par value $0.01 per share (the "CVS Common
Stock"), of CVS equal to the sum of:

                       (x)  0.4692 (the "Fixed Number"); and

                       (y) that number (the "Calculated Number")  (rounded
                           to the nearest ten-thousandth) determined by
                           dividing $20 by the CVS Average Closing Price;
                           provided that the Calculated Number shall not
                           exceed 0.5405 and shall not be less than
                           0.4145.

            For purposes of this Agreement, "CVS Average Closing Price" means
            the average closing price per share of the CVS Common Stock on the
            New York Stock Exchange, Inc. (the "NYSE") for the Random Trading
            Days; and "Random Trading Days" means the ten trading days
            selected by lot out of the twenty trading days ending on and
            including the fifth trading day preceding the Closing Date.  The
            Random Trading Days shall be selected by lot by CVS and Revco at
            5:00 p.m. New York time on the fifth trading day prior to the
            Closing Date. The sum of the Fixed Number and the Calculated
            Number is referred to herein as the "Conversion Number".

           (b)  From and after the Effective Time, all Shares converted in
accordance with Section 1.02(a)(iii) shall no longer be outstanding and shall
automatically be canceled and retired and shall cease to exist, and each holder
of a certificate representing any such Shares shall cease to have any rights
with respect thereto, except the right to receive the Merger Consideration and
any dividends payable pursuant to Section 1.03(f).  From and after the
Effective Time, all certificates representing the common stock of Merger
Subsidiary shall be deemed for all purposes to represent the number of shares
of Common Stock of the Surviving Corporation into which they were converted in
accordance with Section 1.02(a)(ii).

           (c)  The CVS Common Stock to be received as consideration pursuant
to the Merger by each holder of Shares (together with cash in lieu of
fractional shares of CVS Common Stock) is referred to herein as the "Merger
Consideration".

           (d)  For purposes of this Agreement, the word "Subsidiary" when
used with respect to any Person means any other Person, whether incorporated
or unincorporated, of which at least a majority of the securities or other
interests having by their terms ordinary voting power to elect at least a
majority of the board of directors or others performing similar functions with
respect to such corporation or other organization is directly or indirectly
owned or controlled by such Person or by any one or more of its Subsidiaries.
For purposes of this Agreement, "Person" means an individual, a corporation,
a limited liability company, a partnership, an association, a trust or any
other entity or organization, including a Governmental Authority.

               Section 1.03.  Surrender and Payment.  (a) Prior to the
Effective Time, CVS shall appoint an agent reasonably acceptable to Revco (the
"Exchange Agent") for the purpose of exchanging certificates representing
Shares for the Merger Consideration.  Immediately following the Effective
Time, CVS shall deposit with the Exchange Agent, for the benefit of the
holders of shares of Revco Common Stock, certificates representing the CVS
Common Stock issuable pursuant to Section 1.02 in exchange for outstanding
shares of Revco Common Stock.  Promptly after the Effective Time, CVS will
send, or will cause the Exchange Agent to send, to each holder of Shares at
the Effective Time (i) a letter of transmittal for use in such exchange (which
shall specify that delivery of the Merger Consideration shall be effected, and
risk of loss and title to the certificates representing CVS Common Stock and
Revco Common Stock shall pass, only upon proper delivery of the certificates
representing Shares to the Exchange Agent) and (ii) instructions for use in
effecting the surrender of the certificates representing Shares in exchange for
the certificates representing CVS Common Stock.

           (b)  Each holder of Shares that have been converted into a right to
receive the Merger Consideration, upon surrender to the Exchange Agent of a
certificate or certificates representing such Shares, together with a properly
completed letter of transmittal covering such Shares, will be entitled to
receive the Merger Consideration payable in respect of such Shares and any
dividends payable pursuant to Section 1.03(f).  Until so surrendered, each such
certificate shall, after the Effective Time, represent for all purposes only
the right to receive the Merger Consideration and any dividends payable
pursuant to Section 1.03(f).

           (c)  If any portion of the Merger Consideration is to be paid to a
Person other than the registered holder of the Shares represented by the
certificate or certificates surrendered in exchange therefor, it shall be a
condition to such payment that the certificate or certificates so surrendered
shall be properly endorsed or otherwise be in proper form for transfer and that
the Person requesting such payment shall pay to the Exchange Agent any
transfer or other taxes required by reason of the issuance of shares of CVS
Common Stock to a Person other than the registered holder of such Shares
represented by the certificate or certificates so surrendered or establish to
the satisfaction of the Exchange Agent that such tax has been paid or is not
applicable.

           (d)  After the Effective Time, there shall be no further
registration of transfers of Shares.  If, after the Effective Time,
certificates representing Shares are presented to the Surviving Corporation,
they shall be cancelled and exchanged for the consideration provided for, and
in accordance with the procedures set forth, in this Article 1.

           (e)  Any portion of the Merger Consideration made available to the
Exchange Agent pursuant to Section 1.03(a) that remains unclaimed by the
holders of Shares six months after the Effective Time shall be returned to
CVS, upon demand, and any such holder who has not exchanged his Shares for the
Merger Consideration in accordance with this Section 1.03 prior to that time
shall thereafter look only to CVS for payment of the Merger Consideration and
any dividends payable pursuant to Section 1.03(f) in respect of his Shares.
Notwithstanding the foregoing, CVS shall not be liable to any holder of Shares
for any amount paid to a public official pursuant to applicable abandoned
property laws.  Any amounts remaining unclaimed by holders of Shares seven
years after the Effective Time (or such earlier date immediately prior to such
time as such amounts would otherwise escheat to or become property of any
governmental entity) shall, to the extent permitted by applicable law, become
the property of CVS free and clear of any claims or interest of any Person
previously entitled thereto.

           (f)  No dividends or other distributions with respect to CVS Common
Stock issued in the Merger shall be paid to the holder of any unsurrendered
certificates representing Shares until such certificates are surrendered as
provided in this Section 1.03.  Subject to the effect of applicable laws,
following the surrender of such certificates, there shall be paid, without
interest, to the record holder of the CVS Common Stock issued in exchange
therefor at the time of such surrender, the amount of dividends or other
distributions with a record date after the Effective Time payable prior to or
on the date of such surrender with respect to such whole shares of CVS Common
Stock and not previously paid, less the amount of any withholding taxes which
may be required thereon.

               Section 1.04.  Stock Options.  (a) As soon as practicable
following the date of this Agreement, CVS and Revco (or, if appropriate, any
committee of the Board of Directors of Revco administering the Revco 1992
Long-Term Incentive Compensation Plan, as amended (the "LTIP"), the Revco 1992
Non-Employee Directors' Stock Option Plan, as amended (the "NEDP") and the
Revco 1993 Employee Stock Purchase Plan (collectively, the "Revco Option
Plans") shall take such action as may be required to effect the following:

                 (i)  the terms of each outstanding option granted by Revco to
purchase shares of Revco Common Stock under the Revco Option Plans (a "Revco
Stock Option"), whether vested or unvested, shall be adjusted as necessary to
provide that at the Effective Time, each Revco Stock Option outstanding
immediately prior to the Effective Time shall be deemed to constitute an
immediately exercisable (without regard to any vesting limitations under the
Revco Option Plans) option to acquire, on the same terms and conditions as
were applicable under such Revco Stock Option, the same number of shares of
CVS Common Stock as the holder of such Revco Stock Option would have been
entitled to receive pursuant to the Merger had such holder exercised such
Revco Stock Option in full immediately prior to the Effective Time, at a price
per share of CVS Common Stock equal to (A) the aggregate exercise price for
the shares of Revco Common Stock otherwise purchasable pursuant to such Revco
Stock Option divided by (B) the aggregate number of shares of CVS Common Stock
deemed purchasable pursuant to such Revco Stock Option (each, as so adjusted,
an "Adjusted Option"); provided that (after aggregating all the Shares of a
holder subject to Revco Stock Options) any fractional share of CVS Common
Stock resulting from such calculation for such holder shall be rounded down to
the nearest whole share and provided, further, that in the case of any option
to which Section 421 of the Code applies by reason of its qualification under
any of Sections 422 through 424 of the Code ("qualified stock options"), the
option price, the number of shares purchasable pursuant to such option and the
terms and conditions of exercise of such option shall be determined in order
to comply with Section 424 of the Code;

                (ii)  either the Board of Directors (or a committee thereof
with the requisite authority) of each of Revco and CVS will agree, or the
terms of the LTIP and each outstanding Revco Stock Option under the LTIP shall
be modified, to eliminate the discretion of such Board of Directors to
terminate any Revco Stock Option granted thereunder 90 days following a Change
in Control (as defined under the LTIP);

               (iii)  each holder of a Revco Stock Option shall have the right
to elect to exercise his or her Revco Stock Option, as modified pursuant to
clause (i) above, under the "Cashless Exercise Program" adopted by the Human
Resources Committee of the Board of Directors of Revco on January 24, 1996,
and neither the Board of Directors of Revco nor any committee thereof prior to
the Effective Time, nor CVS, its Board of Directors, the Surviving Corporation
or its Board of Directors, at or after the Effective Time, shall take any
action that would have the effect of rendering such Cashless Exercise Program
inapplicable to such Revco Stock Options so long as such Revco Stock Options
or Adjusted Options are outstanding and exercisable in accordance with their
terms.  CVS shall ensure that, for a period of at least one year following the
Effective Time, the Surviving Corporation shall have such procedures in place
as are necessary to effect the exercise of any Adjusted Option pursuant to
such Cashless Exercise Program so long as such Adjusted Option is outstanding
and exercisable in accordance with its terms; and

                (iv)  Revco has delivered to CVS letters from each of the
officers named on Annex A to Schedule 3.15 waiving such officer's right to
receive from Revco and CVS, in the event of such officer's termination
following the Merger, a cash payment in settlement of such officer's
outstanding options under the LTIP.

           (b)  As soon as practicable after the Effective Time, CVS shall
deliver to the holders of Revco Stock Options appropriate notices setting
forth such holders' rights pursuant to the respective Revco Option Plans and
the agreements evidencing the grants of such Revco Stock Options and that such
Revco Stock Options and agreements shall be assumed by CVS and shall continue
in effect on the same terms and conditions (subject to the adjustments
required by this Section 1.04 after giving effect to the Merger).  CVS shall
comply with the terms of the Revco Option Plans and ensure, to the extent
required by, and subject to the provisions of, such Revco Option Plans, that
the Revco Stock Options which qualified as qualified stock options prior to the
Effective Time continue to qualify as qualified stock options after the
Effective Time.

           (c)  CVS shall take such actions as are reasonably necessary for the
assumption of the Revco Option Plans pursuant to this Section 1.04, including
the reservation, issuance and listing of CVS Common Stock as is necessary to
effectuate the transactions contemplated by this Section 1.04.  CVS shall
prepare and file with the SEC a registration statement on Form S-8 or other
appropriate form with respect to shares of CVS Common Stock subject to Revco
Stock Options issued under such Revco Option Plans and shall use its
reasonable best efforts to have such registration statement declared effective
immediately following the Effective Time and to maintain the effectiveness of
such registration statement or registration statements covering such Revco
Stock Options (and maintain the current status of the prospectus or
prospectuses contained therein) for so long as such Revco Stock Options remain
outstanding.  With respect to those individuals, if any, who subsequent to the
Effective Time will be subject to the reporting requirements under Section
16(a) of the 1934 Act, where applicable, CVS shall use all reasonable efforts
to administer the Revco Option Plans assumed pursuant to this Section 1.04 in
a manner that complies with Rule 16b-3 promulgated under the 1934 Act to the
extent the applicable Revco Option Plan complied with such rule prior to the
Merger.

               Section 1.05.  Fractional Shares.  (a) No fractional shares of
CVS Common Stock shall be issued in the Merger, but in lieu thereof each holder
of Shares otherwise entitled to a fractional share of CVS Common Stock will
be entitled to receive, from the Exchange Agent in accordance with the
provisions of this Section 1.05, a cash payment in lieu of such fractional
shares of CVS Common Stock representing such holder's proportionate interest,
if any, in the net proceeds from the sale by the Exchange Agent in one or more
transactions of (i) the number of shares of CVS Common Stock delivered to the
Exchange Agent by CVS pursuant to Section 1.03(a) over (ii) the aggregate
number of whole shares of CVS Common Stock to be distributed to the holders of
the certificates representing Shares pursuant to Section 1.03(b) (such excess
being herein called the "Excess Shares").  As soon as practicable after the
Effective Time, the Exchange Agent, as agent for the holders of the
certificates representing Shares, shall sell the Excess Shares at then
prevailing prices on the NYSE all in the manner provided in the following
paragraph.

           (b)  The sale of the Excess Shares by the Exchange Agent shall be
executed on the NYSE through one or more member firms of the NYSE and shall be
executed in round lots to the extent practicable.  Until the net proceeds of
such sale or sales have been distributed to such holders of Shares, the
Exchange Agent will hold such proceeds in trust for such holders.  The
proceeds from such sale or sales available for distribution to the holders of
Shares shall be reduced by the compensation payable to the Exchange Agent and
the expenses incurred by the Exchange Agent, in each case, in connection with
such sale or sales of the Excess Shares, including all related commissions,
transfer taxes and other out-of-pocket transaction costs.  Until the net
proceeds of such sale or sales have been distributed to the holders of Shares,
the Exchange Agent shall hold such net proceeds in trust for the holders of
Shares (the "Common Shares Trust").  The Exchange Agent shall determine the
portion of the Common Shares Trust to which each holder of Shares shall be
entitled, if any, by multiplying the amount of the aggregate net proceeds
comprising the Common Shares Trust by a fraction, the numerator of which is
the amount of the fractional share interest to which such holder of Shares
would otherwise be entitled and the denominator of which is the aggregate
amount of fractional share interests to which all holders of Shares would
otherwise be entitled.

           (c)  As soon as practicable after the determination of the amount of
cash, if any, to be paid to holders of Shares in lieu of any fractional shares
of CVS Common Stock, the Exchange Agent shall make available such amounts to
such holders of Shares without interest.

               Section 1.06.  Adjustments. In the event of any split,
combination or reclassification of the outstanding CVS Common Stock or any
issuance of any other securities in exchange or in substitution for
outstanding shares of CVS Common Stock at any time during the period from the
date of this Agreement to the Effective Time, Revco and CVS shall make such
adjustment to the Conversion Number as Revco and CVS shall mutually agree so
as to preserve the economic benefits that Revco and CVS each reasonably
expected on the date of this Agreement to receive as a result of the
consummation of the Merger and the other transactions contemplated by this
Agreement.




                                   ARTICLE 2

                           The Surviving Corporation

               Section 2.01.  Certificate of Incorporation.  The
certificate of incorporation of Revco shall be the certificate of
incorporation of the Surviving Corporation, except that, at the Effective
Time, the name of the Surviving Corporation shall be changed to "CVS Revco
D.S., Inc." and certain other amendments thereto shall be effected in the
certificate of merger filed pursuant to Section 1.01(c).

               Section 2.02.  Bylaws.  The bylaws of Merger Subsidiary in
effect at the Effective Time shall be the bylaws of the Surviving Corporation
until amended in accordance with applicable law.

               Section 2.03.  Directors and Officers.  From and after the
Effective Time, until successors are duly elected or appointed and
qualified in accordance with the Delaware Law and the certificate of
incorporation and bylaws of the Surviving Corporation, (a) the directors of
Merger Subsidiary at the Effective Time shall be the directors of the
Surviving Corporation, and (b) the officers of Merger Subsidiary at the
Effective Time shall be the officers of the Surviving Corporation.



                                   ARTICLE 3

                    Representations and Warranties of Revco

               Revco represents and warrants to CVS that:

               Section 3.01.  Organization and Power.  Each of Revco and its
Subsidiaries is a corporation, partnership or other entity duly organized,
validly existing and in good standing under the laws of the jurisdiction of its
incorporation or organization, and has the requisite corporate or other power
and authority and governmental approvals to own, lease and operate its
properties and to carry on its business as now being conducted, except where
the failure to be so organized, existing and in good standing or to have such
power, authority and governmental approvals would not, individually or in the
aggregate, have a Material Adverse Effect on Revco.  Each of Revco and its
Subsidiaries is duly qualified or licensed to do business and is in good
standing in each jurisdiction in which the property owned, leased or operated
by it or the nature of the business conducted by it makes such qualification
or licensing necessary, except where the failure to be so duly qualified or
licensed and in good standing would not, individually or in the aggregate,
have a Material Adverse Effect on Revco.  For purposes of this Agreement, a
"Material Adverse Effect" with respect to any Person means a material adverse
effect (i) on the condition (financial or otherwise), business, liabilities,
properties, assets, or results of operations of such Person and its
Subsidiaries, taken as a whole, or (ii) on the ability of such Person to
perform its obligations under or to consummate the transactions contemplated
by this Agreement.  Schedule 3.01 sets forth a complete list of Revco's
Subsidiaries that are "significant subsidiaries", as such term is defined in
Section 1-02 of Regulation S-X under the 1934 Act (each, a "Significant
Subsidiary").  Revco has heretofore delivered to CVS true and complete copies
of Revco's certificate of incorporation and bylaws as currently in effect.

               Section 3.02.  Corporate Authorization.  (a) The execution,
delivery and performance by Revco of this Agreement and the consummation by
Revco of the transactions contemplated hereby are within Revco's corporate
powers and, except as set forth in the next succeeding sentence of this
Section 3.02(a), have been duly authorized by all necessary corporate action.
The affirmative vote of a majority of the outstanding Shares is the only vote
of any class or series of Revco's capital stock necessary to approve and adopt
this Agreement and the transactions contemplated by this Agreement.  This
Agreement has been duly executed and delivered by Revco and, subject to the
receipt of the approval described in the immediately preceding sentence,
constitutes a valid and binding agreement of Revco, enforceable against Revco
in accordance with its terms (subject to applicable bankruptcy, insolvency,
reorganization, moratorium, fraudulent transfer and other similar laws
affecting creditors' rights generally from time to time in effect and to
general principles of equity, including concepts of materiality,
reasonableness, good faith and fair dealing, regardless of whether in a
proceeding at equity or at law).

           (b)  The Board of Directors of Revco has duly and validly approved
this Agreement and the transactions contemplated by this Agreement (including
the termination of the Existing Company/Stockholder Agreements as of the
Effective Time), including all actions necessary to render the provisions of
Section 203 of the Delaware Law inapplicable to the Merger.

               Section 3.03.  Governmental Authorization.  The execution,
delivery and performance by Revco of this Agreement, and the consummation by
Revco of the transactions contemplated hereby, require no action by or in
respect of, or filing with, any federal, state or local government or any
court, administrative agency or commission or other governmental agency or
authority (a "Governmental Authority") other than (a) the filing of a
certificate of merger with respect to the Merger with the Delaware Secretary
of State and appropriate documents with the relevant authorities of other
states in which Revco is qualified to do business; (b) compliance with any
applicable requirements of the Hart-Scott-Rodino Antitrust Improvements Act of
1976, as amended (the "HSR Act"); (c) compliance with any applicable
requirements of the Securities Act of 1933, as amended, and the rules and
regulations promulgated thereunder (the "1933 Act"); (d) compliance with any
applicable requirements of the Securities Exchange Act of 1934, as amended,
and the rules and regulations promulgated thereunder (the "1934 Act"); (e)
compliance with any other applicable securities laws; (f) those that may be
required solely by reason of CVS' or Merger Subsidiary's (as opposed to any
other third party's) participation in the transactions contemplated by this
Agreement; (g) the approval of the relevant pharmacy boards and alcoholic
beverage commissions or comparable entities in the states in which Revco and
its Subsidiaries do business; (h) actions or filings which, if not taken or
made, would not, individually or in the aggregate, reasonably be expected to
have a Material Adverse Effect on Revco; and (i) filings and notices not
required to be made or given until after the Effective Time.

               Section 3.04.  Non-Contravention.  Except as set forth on
Schedule 3.04, the execution, delivery and performance by Revco of this
Agreement do not, and the consummation by Revco of the transactions
contemplated hereby will not (a) assuming receipt of the approval of
stockholders referred to in Section 3.02, contravene or conflict with the
certificate of incorporation, bylaws or similar organizational documents of
Revco or any of its Significant Subsidiaries, (b) assuming compliance with the
matters referred to in Section 3.03, contravene or conflict with or constitute
a violation of any provision of any law, regulation, judgment, injunction,
order or decree binding upon or applicable to Revco or any Subsidiary of
Revco, (c) constitute a default (or an event which with notice, the lapse of
time or both would become a default) under or give rise to a right of
termination, cancellation or acceleration of any right or obligation of Revco
or any Subsidiary of Revco or to a loss of any benefit to which Revco or any
Subsidiary of Revco is entitled under any provision of any agreement, contract
or other instrument binding upon Revco or any Subsidiary of Revco and which
either has a term of more than one year or involves the payment or receipt of
money in excess of $500,000 (a "Revco Agreement") or any license, franchise,
permit or other similar authorization held by Revco or any Subsidiary of
Revco, or (d) result in the creation or imposition of any Lien on any asset of
Revco or any Subsidiary of Revco, except for such contraventions, conflicts or
violations referred to in clause (b) or defaults, rights of termination,
cancellation or acceleration, losses or Liens referred to in clause (c) or (d)
that would not, individually or in the aggregate, have a Material Adverse
Effect on Revco.  For purposes of this Agreement, "Lien" means, with respect
to any asset, any mortgage, lien, pledge, charge, security interest or
encumbrance of any kind in respect of such asset.

               Section 3.05.  Capitalization of Revco.  (a) The authorized
capital stock of Revco consists of 100,000,000 shares of Revco Common Stock and
25,000,000 shares of preferred stock, par value $0.01 per share (the "Revco
Preferred Stock").  As of the close of business on January 31, 1997, (i)
68,791,308 shares of Revco Common Stock are issued and outstanding, 1,202,000
shares of Revco Common Stock are held in Revco's treasury, 903,451 shares of
Revco Common Stock are reserved for issuance under Revco's 401(k) Savings
Plan, 524,536 shares of Revco Common Stock are reserved for issuance under
Revco's 1993 Employee Stock Purchase Plan and 4,407,728 shares of Revco Common
Stock are reserved for issuance pursuant to options previously granted
pursuant to the Revco Stock Option Plans, (ii) no shares of Revco Preferred
Stock are issued and outstanding and (iii) no shares of Revco Preferred Stock
are issued and held in the treasury of Revco.  All the outstanding shares of
Revco's capital stock are, and all shares which may be issued pursuant to the
Revco Stock Option Plans will be, when issued in accordance with the
respective terms thereof, duly authorized, validly issued, fully paid and
non-assessable.  Except (i) as set forth in this Section 3.05 or in Schedule
5.01, (ii) for the transactions contemplated by this Agreement, including
those permitted in accordance with Section 5.01(f), (iii) for changes since
January 31, 1997 resulting from the exercise of employee and director stock
options outstanding on such date and (iv) for Shares that may be issued as
provided in Section 5.01(f), there are outstanding (x) no shares of capital
stock or other voting securities of Revco, (y) no securities of Revco
convertible into or exchangeable for shares of capital stock or voting
securities of Revco, and (z) no options, warrants or other rights to acquire
from Revco, and no preemptive or similar rights, subscriptions or other
rights, convertible securities, agreements, arrangements or commitments of any
character, relating to the capital stock of Revco, obligating Revco to issue,
transfer or sell, any capital stock, voting securities or securities
convertible into or exchangeable for capital stock or voting securities of
Revco or obligating Revco to grant, extend or enter into any such option,
warrant, subscription or other right, convertible security, agreement,
arrangement or commitment (the items in clauses (x), (y) and (z) being
referred to collectively as the "Revco Securities").  Other than shares of Big
B, Inc. ("Big B") to be acquired upon surrender by the holders thereof in
connection with the merger of RDS Acquisition Co., a wholly owned Subsidiary
of Revco, into Big B as part of Revco's acquisition of Big B (collectively,
the "Big B Acquisition"), none of Revco or its Subsidiaries has any
contractual obligation to redeem, repurchase or otherwise acquire any Revco
Securities or any Revco Subsidiary Securities, including as a result of the
transactions contemplated by this Agreement.  Except as permitted by this
Agreement, following the Merger, neither Revco nor any of its Subsidiaries
will have any obligation to issue, transfer or sell any shares of its capital
stock pursuant to any employee benefit plan or otherwise.

           (b)  Except for the Existing Company/Stockholder Agreement with
Zell/Chilmark, there are no voting trusts or other agreements or
understandings to which Revco or any Subsidiary of Revco is a party with
respect to the voting of the capital stock of Revco or any Subsidiary of
Revco.  Within five business days of the date of this Agreement, Revco will
enter into letter agreements, copies of which shall be delivered promptly to
CVS, pursuant to which as of the Effective Time the Stockholder Agreement
between Zell/Chilmark and Revco dated as of June 1, 1992, the Registration
Rights Agreement between Zell/Chilmark and Revco dated as of June 1, 1992 and
the Registration Rights Agreement between Magten Asset Management Corporation
and Revco dated as of January 20, 1993 (such agreements being referred to
herein as the "Existing Company/Stock-holder Agreements") shall be terminated.

               Section 3.06.  Capitalization of Subsidiaries.  Except as set
forth in Schedule 3.06, all of the outstanding shares of capital stock of, or
other ownership interests in, each Subsidiary of Revco, is owned by Revco,
directly or indirectly, free and clear of any consensual Lien (including any
restriction on the right to vote, sell or otherwise dispose of such capital
stock or other ownership interests).  There are no outstanding (i) securities
of Revco or any Subsidiary of Revco convertible into or exchangeable for
shares of capital stock or other voting securities or ownership interests in
any Subsidiary of Revco, or (ii) options or other rights to acquire from Revco
or any Subsidiary of Revco, and no other obligation of Revco or any Subsidiary
of Revco to issue, any capital stock, voting securities or other ownership
interests in, or any securities convertible into or exchangeable for, any
capital stock, voting securities or ownership interests in, any Subsidiary of
Revco (the items in clauses (i) and (ii) being referred to collectively as the
"Revco Subsidiary Securities").

               Section 3.07.  SEC Filings.  (a) Revco has filed all required
reports, schedules, forms, statements and other documents with the Securities
and Exchange Commission (the "SEC") since May 31, 1995 (the "Revco SEC
Documents").

           (b)  As of its filing date, each Revco SEC Document filed pursuant
to the 1934 Act did not contain any untrue statement of a material fact or
omit to state any material fact necessary in order to make the statements
therein, in the light of the circumstances under which they were made, not
misleading, except to the extent that such statements have been modified or
superseded by a later filed Revco SEC Document.

           (c)  Each Revco SEC Document that is a registration statement, as
amended or supplemented, if applicable, filed pursuant to the 1933 Act as of
the date such registration statement or amendment became effective did not
contain any untrue statement of a material fact or omit to state any material
fact required to be stated therein or necessary to make the statements therein
not misleading, except to the extent that such statements have been modified or
superseded by a later filed Revco SEC Document.

               Section 3.08.  Financial Statements.  The audited consolidated
financial statements and unaudited consolidated interim financial statements
of Revco included in Revco's Annual Report on Form 10-K for the fiscal year
ended June 1, 1996 (the "Revco 10-K") and its Quarterly Report on Form 10-Q for
the fiscal quarter ended November 16, 1996 have been prepared in accordance
with GAAP (except, in the case of unaudited statements, as permitted by Form
10-Q of the SEC) applied on a consistent basis during the periods involved
(except as may be indicated in the notes thereto) and fairly present the
consolidated financial position of Revco and its consolidated Subsidiaries as
of the dates thereof and their consolidated results of operations and cash
flows for the periods then ended (subject to normal year-end adjustments in
the case of any unaudited interim financial statements).  For purposes of this
Agreement, "Revco Balance Sheet" means the consolidated balance sheet of Revco
as of June 1, 1996 set forth in the Revco 10-K and "Revco Balance Sheet Date"
means June 1, 1996.

               Section 3.09.  Disclosure Documents.  Neither the proxy
statement of Revco (the "Revco Proxy Statement") to be filed with the SEC in
connection with the Merger, nor any amendment or supplement thereto, will, at
the date the proxy statement or any such amendment or supplement is first
mailed to stockholders of Revco or at the time such stockholders vote on the
adoption and approval of this Agreement and the transactions contemplated
hereby, contain any untrue statement of a material fact or omit to state any
material fact necessary in order to make the statements therein, in light of
the circumstances under which they were made, not misleading.  The Revco Proxy
Statement will, when filed, comply as to form in all material respects with the
requirements of the 1934 Act and the rules and regulations promulgated
thereunder.  No representation or warranty is made by Revco in this Section
3.09 with respect to statements made or incorporated by reference therein
based on information supplied by CVS or Merger Subsidiary for inclusion or
incorporation by reference in the Revco Proxy Statement.

               Section 3.10.  Information Supplied.  None of the information
supplied or to be supplied by Revco for inclusion or incorporation by reference
in (i) the CVS Proxy Statement or any amendment or supplement thereto will,
at the date the CVS Proxy Statement or any amendment or supplement thereto is
first mailed to stockholders of CVS and at the time such stockholders vote on
the issuance of shares of CVS Common Stock in connection with the Merger,
contain any untrue statement of a material fact or omit to state any material
fact necessary in order to make the statements therein, in light of the
circumstances under which they were made, not misleading or (ii) the Form S-4
or any amendment or supplement thereto will, at the time the Form S-4 or any
such amendment or supplement becomes effective under the 1933 Act or at the
Effective Time, 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 therein not misleading.

               Section 3.11.  Absence of Certain Changes.  Except as disclosed
in the Revco SEC Documents filed prior to the date of this Agreement or as
disclosed in Schedule 3.11, since November 16, 1996, Revco and its
Subsidiaries have conducted their business in the ordinary course consistent
with past practice and there has not been:

           (a)  any event, occurrence or development which, individually or in
the aggregate, has had or would be reasonably likely to have a Material
Adverse Effect on Revco, except for general economic changes, changes that
affect the industry of Revco or any of its Subsidiaries generally, and changes
in Revco's business after the date hereof attributable solely to actions taken
by CVS;
           (b)  any declaration, setting aside or payment of any dividend or
other distribution with respect to any shares of capital stock of Revco, or any
repurchase, redemption or other acquisition by Revco or any Subsidiary of
Revco of any amount of outstanding shares of capital stock or other equity
securities of, or other ownership interests in, Revco or any Subsidiary of
Revco;
           (c)  any amendment of any term of any outstanding security of Revco
or any Subsidiary of Revco that would materially increase the obligations of
Revco or such Subsidiary under such security;

           (d)  other than in connection with any indebtedness for borrowed
money of Big B and its Subsidiaries assumed as a result of the Big B
Acquisition,  (x) any incurrence or assumption by Revco or any Subsidiary of
Revco of any indebtedness for borrowed money other than under existing credit
facilities (or any renewals, replacements or extensions that do not increase
the aggregate commitments thereunder) (A) in the ordinary course of business
consistent with past practices (it being understood that any indebtedness
incurred prior to the date hereof in respect of capital expenditures shall be
considered to have been in the ordinary course of business consistent with
past practice) or (B) in connection with (1) any acquisition or capital
expenditure permitted by Section 5.01 or (2) the transactions contemplated
hereby, or (y) any guarantee, endorsement or other incurrence or assumption
of liability (whether directly, contingently or otherwise) by Revco or any
Subsidiary of Revco for the obligations of any other Person (other than any
wholly owned Subsidiary of Revco), other than in the ordinary course of
business consistent with past practice;

           (e)  any creation or assumption by Revco or any Subsidiary of Revco
of any consensual Lien on any material asset of Revco or any Subsidiary of
Revco other than in the ordinary course of business consistent with past
practices and any consensual Liens assumed as a result of the Big B
Acquisition;

           (f)  any making of any loan, advance or capital contribution to or
investment in any Person by Revco or any Subsidiary of Revco other than (i)
any acquisition permitted by Section 5.01, (ii) loans, advances or capital
contributions to or investments in wholly-owned Subsidiaries of Revco or (iii)
loans or advances to employees of Revco or any Subsidiary of Revco made in the
ordinary course of business consistent with past practices;

           (g)  (i) any contract or agreement entered into by Revco or any
Subsidiary of Revco on or prior to the date hereof  relating to any material
acquisition or disposition of any assets or business or (ii) any modification,
amendment, assignment, termination or relinquishment by Revco or any
Subsidiary of Revco of any contract, license or other right (including any
insurance policy naming it as a beneficiary or a loss payable payee) that would
be reasonably likely to have a Material Adverse Effect on Revco, other than,
in the case of (i) and (ii), transactions, commitments, contracts or agreements
in the ordinary course of business consistent with past practice and those
contemplated by this Agreement;

           (h)  any material change in any method of accounting or accounting
principles or practice by Revco or any Subsidiary of Revco, except for any
such change required by reason of a change in GAAP; or

           (i)  except for items permitted by Section 5.18, any (i) grant of
any severance or termination pay to any director, officer or employee of Revco
or any of its Subsidiaries, (ii) entering into of any employment, deferred
compensation or other similar agreement (or any amendment to any such existing
agreement) with any director, officer or employee of Revco or any of its
Subsidiaries, (iii) increase in benefits payable under any existing severance
or termination pay policies or employment agreements or (iv) increase in
compensation, bonus or other benefits payable to directors, officers or
employees of Revco or any of its Subsidiaries other than, in the case of clause
(iv) only, increases prior to the date hereof in compensation, bonus or other
benefits payable to employees (other than officers) of Revco or any of its
Subsidiaries in the ordinary course of business consistent with past practice
or merit increases in salaries of employees (other than officers) at regularly
scheduled times in customary amounts consistent with past practices.

               Section 3.12.  No Undisclosed Material Liabilities.  There have
been no liabilities or obligations (whether pursuant to contracts or
otherwise) of any kind whatsoever  incurred by Revco or any Subsidiary of
Revco since November 16, 1996, whether accrued, contingent, absolute,
determined, determinable or otherwise, other than:

           (a)  liabilities or obligations disclosed or provided for in the
Revco Balance Sheet or in the notes thereto or in the Revco SEC Documents filed
prior to the date hereof;

           (b) liabilities or obligations which, individually and in the
aggregate, have not had and are not reasonably likely to have a Material
Adverse Effect on Revco; or

           (c)  liabilities or obligations under this Agreement or incurred in
connection with the transactions contemplated hereby.

               Section 3.13.  Litigation.  Except as disclosed in the Revco SEC
Documents filed prior to the date hereof, there is no action, suit,
investigation or proceeding pending against, or to the knowledge of Revco,
threatened against or affecting, Revco or any Subsidiary of Revco or any of
their respective properties before any Governmental Authority which,
individually or in the aggregate, would be reasonably likely to have a
Material Adverse Effect on Revco.

               Section 3.14.  Taxes. (a) Revco and each of its Subsidiaries
has timely filed (or has had timely filed on its behalf) or will file or cause
to be timely filed, all material Tax Returns required by applicable law to be
filed by it prior to or as of the Effective Time, and all such material Tax
Returns are, or will be at the time of filing, complete in all material
respects;

           (b)  Revco and each of its Subsidiaries has paid (or has had paid
on its behalf) or, where payment is not yet due, has established in accordance
with GAAP (or has had established on its behalf and for its sole benefit and
recourse) or will establish or cause to be established on or before the
Effective Time an adequate accrual for the payment of, all material Taxes due
with respect to any period ending prior to or as of the Effective Time; and

           (c)  the federal income Tax Returns of (w) Hook-SupeRx, Inc. and its
Subsidiaries, (x) Big B and its Subsidiaries and (y) Revco and its Subsidiaries
(other than those specified in (w) and (x)) have been examined and settled with
the Internal Revenue Service (the "Service") (or the applicable statutes of
limitation for the assessment of federal income Taxes for such periods have
expired) through the respective fiscal years ending in 1991, 1993 and 1991.

           (d)  "Taxes" shall mean any and all taxes, charges, fees, levies or
other assessments, including income, gross receipts, excise, real or personal
property, sales, withholding, social security, retirement, unemployment,
occupation, use, goods and services, service use, license, value added,
capital, net worth, payroll, profits, withholding, franchise, transfer and
recording taxes, fees and charges, and any other taxes, assessment or similar
charges imposed by the Service or any taxing authority (whether domestic or
foreign including any state, county, local or foreign government or any
subdivision or taxing agency thereof (including a United States possession))
(a "Taxing Authority"), whether computed on a separate, consolidated, unitary,
combined or any other basis; and such term shall include any interest whether
paid or received, fines, penalties or additional amounts attributable to, or
imposed upon, or with respect to, any such taxes, charges, fees, levies or
other assessments.  "Tax Return" shall mean any report, return, document,
declaration or other information or filing required to be supplied to any
taxing authority or jurisdiction (foreign or domestic) with respect to Taxes,
including information returns, any documents with respect to or accompanying
payments of estimated Taxes, or with respect to or accompanying requests for
the extension of time in which to file any such report, return, document,
declaration or other information.

               Section 3.15.  Employee Benefit Plans; ERISA.  (a)  Except as
set forth in Schedule 3.15(a), there are no material employee benefit plans
(including any plans for the benefit of directors or former directors),
arrangements, practices, contracts or agreements (including employment
agreements and severance agreements, incentive compensation, bonus, stock
option, stock appreciation rights and stock purchase plans) of any type
(including plans described in Section 3(3) of the Employee Retirement Income
Security Act of 1974, as amended ("ERISA")), maintained by Revco, any of its
Subsidiaries or any trade or business, whether or not incorporated (an "ERISA
Affiliate"), that together with Revco would be deemed a "controlled group"
within the meaning of Section 4001(a)(14) of ERISA, or with respect to which
Revco or any of its Subsidiaries has or may have a liability (the "Revco
Benefit Plans").  Except as disclosed in Schedule 3.15(a) (or as otherwise
permitted by this Agreement): (1) neither Revco nor any ERISA Affiliate has
any formal plan or commitment, whether legally binding or not, to create any
additional Revco Benefit Plan or modify or change any existing Revco Benefit
Plan that would affect any employee or terminated employee of Revco or any
ERISA Affiliate; and (2) since November 16, 1996, there has been no change,
amendment, modification to, or adoption of, any Revco Benefit Plan, in each
case, that has had, or would be reasonably likely to have, a Material Adverse
Effect on Revco.

           (b)  With respect to each Revco Benefit Plan, except as disclosed in
Schedule 3.15(b) or as would not, individually or in the aggregate, have a
Material Adverse Effect on Revco: (i) if intended to qualify under Section
401(a), 401(k) or 403(a) of the Code, such plan so qualifies, and its trust is
exempt from taxation under Section 501(a) of the Code; (ii) such plan has been
administered in accordance with its terms and applicable law; (iii) no breaches
of fiduciary duty have occurred; (iv) no prohibited transaction within the
meaning of Section 406 of ERISA has occurred; (v) as of the date of this
Agreement, no lien imposed under the Code or ERISA exists; and (vi) all
contributions and premiums due (including any extensions for such
contributions and premiums) have been made in full.

           (c)  None of the Revco Benefit Plans has incurred any "accumulated
funding deficiency", as such term is defined in Section 412 of the Code,
whether or not waived.

           (d)  Except as disclosed in Schedule 3.15(d): (i) neither Revco nor
any ERISA Affiliate has incurred any liability under Title IV of ERISA
(including Sections 4063-4064 and 4069 of ERISA) since the effective date of
ERISA that has not been satisfied in full except as, individually or in the
aggregate, would not have or would not be reasonably likely to have a Material
Adverse Effect on Revco.

           (e)  With respect to each Revco Benefit Plan that is a "welfare
plan" (as defined in Section 3(1) of ERISA), except as specifically disclosed
in Schedule 3.15(e), no such plan provides medical or death benefits with
respect to current or former employees of Revco or any of its Subsidiaries
beyond their termination of employment, other than on an employee-pay-all
basis, except as would not be reasonably likely, individually or in the
aggregate, to have a Material Adverse Effect on Revco.

           (f)  Except with respect to payments under the agreements and
programs specified in Schedule 3.15(f), the consummation of the transactions
contemplated by this Agreement will not (i) entitle any individual to severance
pay or any tax "gross-up" payments with respect to the imposition of any tax
pursuant to Section 4999 of the Code or accelerate the time of payment or
vesting, or increase the amount, of compensation or benefits due to any
individual with respect to any Revco Benefit Plan, or (ii) constitute or
result in a prohibited transaction under Section 4975 of the Code or Section
406 or 407 of ERISA with respect to any Revco Benefit Plan.

           (g)  Except as disclosed in Schedule 3.15(a), there is no Revco
Benefit Plan that is a "multiemployer plan", as such term is defined in
Section 3(37) of ERISA, or which is covered by Section 4063 or 4064 of ERISA.

           (h)  Schedule 3.15(h) identifies each collective bargaining
agreement to which Revco or any of its Significant Subsidiaries is a party and
copies of each such agreement have been furnished to or made available to CVS.
Except as set forth on Schedule 3.15(h), or except as would not be reasonably
likely, individually or in the aggregate, to have a Material Adverse Effect on
Revco, (i) there is no labor strike, slowdown or work stoppage or lockout
against Revco or any of its Significant Subsidiaries and (ii) there is no
unfair labor practice charge or complaint against or pending before the
National Labor Relations Board.  As of the date of this Agreement, there is no
representation claim or petition pending before the National Labor Relations
Board and, to the knowledge of Revco,  no question concerning representation
exists with respect to the employees of Revco or any of its Significant
Subsidiaries.

               Section 3.16.  Compliance with Laws; No Default; No
Non-Competes.  (a) Neither Revco nor any of its Subsidiaries is in violation
of or has violated or failed to comply with any statute, law, ordinance,
regulation, rule, judgment, decree, order, writ, injunction, permit or license
or other authorization or approval of any Governmental Authority applicable to
its business or operations, except for violations and failures to comply that
have not had and would not, individually or in the aggregate, be reasonably
likely to result in a Material Adverse Effect on Revco.

           (b)  Each Revco Agreement is a valid, binding and enforceable
obligation of Revco and in full force and effect, except where the failure to
be valid, binding and enforceable and in full force and effect would not,
individually or in the aggregate, have a Material Adverse Effect on Revco.
None of Revco or any of its Subsidiaries is in default or violation of any
term, condition or provision of (i) its respective certificate of
incorporation or by-laws or similar organizational documents or (ii) except as
disclosed in Schedule 3.16, any Revco Agreement, except, in the case of clause
(i) (with respect to organizational documents that are partnership, joint
venture or similar documents) and (ii), for defaults or violations that,
individually or in the aggregate, have not had and would not be reasonably
likely to have a Material Adverse Effect on Revco.  Revco has all permits and
licenses (including pharmaceutical and liquor licenses and permits) necessary
to carry on the business being conducted at each store location, except where
the failure to have such permit or license would not, individually or in the
aggregate, be reasonably likely to have a Material Adverse Effect on Revco.
Except as disclosed in Schedule 3.16, neither Revco nor any Subsidiary of
Revco is a party to any agreement that expressly limits the ability of Revco or
any Subsidiary of Revco to compete in or conduct any line of business or
compete with any Person or in any geographic area or during any period of time
except to the extent that any such limitation would not be reasonably likely
to have a Material Adverse Effect on CVS after giving effect to the Merger.

               Section 3.17.  Finders' Fees.  Except for Wasserstein, Perella
& Co., Inc. and Salomon Brothers Inc, a copy of each of whose engagement
agreement has been provided to CVS, no investment banker, broker, finder,
other intermediary or other Person is entitled to any fee or commission from
Revco or any Subsidiary of Revco upon consummation of the transactions
contemplated by this Agreement.

               Section 3.18.  Environmental Matters.  (a) Except as set forth
in the Revco 10-K:

                 (i)  no notice, notification, demand, request for information,
citation, summons or order has been received by, no complaint has been filed
against, no penalty has been assessed against, and no investigation, action,
claim, suit, proceeding or review is pending or, to the knowledge of Revco or
any Subsidiary of Revco, is threatened by any Person against, Revco or any
Subsidiary of Revco with respect to any matters relating to or arising out of
any Environmental Law which, individually or in the aggregate, would be
reasonably likely to have a Material Adverse Effect on Revco;

                (ii)  no Hazardous Substance has been discharged, disposed of,
dumped, injected, pumped, deposited, spilled, leaked, emitted or released at,
on or under any property now or, to the knowledge of Revco, previously owned,
leased or operated by Revco or any Subsidiary of Revco, which circumstance,
individually or in the aggregate, would be reasonably likely to have a
Material Adverse Effect on Revco; and

               (iii)   there are no Environmental Liabilities that,
individually or in the aggregate, have had or would be reasonably likely to
have a Material Adverse Effect on Revco.

           (b)  For purposes of this Section, the following terms shall have
the meanings set forth below:

                 (i)  "Revco" and "Subsidiary of Revco" shall include any
entity which is, in whole or in part, a predecessor of Revco or any of its
Subsidiaries;

                (ii)  "Environmental Laws" means any and all federal, state,
local and foreign law (including common law), treaty, judicial decision,
regulation, rule, judgment, order, decree, injunction, permit, or governmental
restrictions or any agreement with any governmental authority or other third
party, relating to human health and safety, the environment or to pollutants,
contaminants, wastes or chemicals or toxic, radioactive, ignitable, corrosive,
reactive or otherwise hazardous substances, wastes or materials;

               (iii)  "Environmental Liabilities" means any and all liabilities
of or relating to Revco or any Subsidiary of Revco of any kind whatsoever,
whether accrued, contingent, absolute, determined, determinable or otherwise,
which (A) arise under or relate to matters covered by Environmental Laws and
(B) arise from actions occurring or conditions existing on or prior to the
Effective Time; and

                (iv)  "Hazardous Substances" means any pollutant, contaminant,
waste or chemical or any toxic, radioactive, corrosive, reactive or otherwise
hazardous substance, waste or material, or any substance having any
constituent elements displaying any of the foregoing characteristics,
including, without limitation, petroleum, its derivatives, by-products and
other hydrocarbons, or any substance, waste or material regulated under any
Environmental Laws.

               Section 3.19.  Assets.  The assets, properties, rights and
contracts, including (as applicable), title or leaseholds thereto, of Revco
and its Subsidiaries, taken as a whole, are sufficient to permit Revco and its
Subsidiaries to conduct their business as currently being conducted with only
such exceptions as are not reasonably likely to have a Material Adverse Effect
on Revco. All material real property owned by Revco and its Subsidiaries is
owned free and clear of all Liens, except (A) those reflected or reserved
against in the latest balance sheet (or notes thereto) of Revco included in the
Revco SEC Documents filed prior to the date hereof, (B) taxes and general and
special assessments not in default and payable without penalty or interest,
(C) Liens assumed as a result of the Big B Acquisition and (D) Liens that do
not materially adversely interfere with any present use of such property.

               Section 3.20.  Opinion of Financial Advisor.  Revco has
received the written opinion of each of Wasserstein, Perella & Co., Inc. and
Salomon Brothers Inc. to the effect that, as of the date hereof, the
Conversion Number to be received by the holders of Shares in connection with
the Merger is fair to such holders from a financial point of view.  Revco has
delivered to CVS and Merger Subsidiary a copy of each such opinion.

               Section 3.21.  Transactions with Affiliates.  Except to the
extent disclosed in the Revco SEC Documents filed prior to the date of this
Agreement, from June 1, 1996 through the date of this Agreement, there have
been no transactions, agreements, arrangements or understandings between Revco
or its Subsidiaries, on the one hand, and Revco's Affiliates (other than
wholly-owned Subsidiaries of Revco) or other Persons, on the other hand, that
would be required to be disclosed under Item 404 of Regulation S-K under the
1933 Act.  For purposes of this Agreement, the term "Affiliate", when used
with respect to any Person, means any other Person directly or indirectly
controlling, controlled by, or under common control with such Person.  As used
in the definition of "Affiliate", the term "control" means possession,
directly or indirectly, of the power to direct or cause the direction of the
management or policies of a Person, whether through the ownership of voting
securities, by contract or otherwise.

               Section 3.22.  Accounting Matters.  Neither Revco nor, to its
best knowledge, any of its Subsidiaries has taken or agreed to take any action
that would prevent CVS from accounting for the business combination to be
effected by the Merger as a "pooling of interests".

               Section 3.23.  Insurance.  Except as set forth on Schedule 3.23,
Revco and each of its Significant Subsidiaries are insured by insurers,
reasonably believed by Revco to be of recognized financial responsibility and
solvency, against such losses and risks and in such amounts as are customary
in the businesses in which they are engaged.  Revco's unsettled workers
compensation and general liability claims would not, individually or in the
aggregate, be reasonably likely to have a Material Adverse Effect on Revco.

               Section 3.24.  Takeover Statutes.  The Board of Directors of
Revco has approved the Merger and this Agreement, and such approval is
sufficient to render inapplicable to the Merger, this Agreement, and the
transactions contemplated by this Agreement and the Zell/Chilmark Stockholder
Agreement the provisions of Section 203 of the Delaware Law. To the best of
Revco's knowledge, no other "fair price", "moratorium", "control share
acquisition" or other similar antitakeover statute or regulation enacted under
state or federal laws in the United States (each, a "Takeover Statute")
applicable to Revco or any of its Subsidiaries is applicable to the Merger or
the other transactions contemplated hereby.

               Section 3.25.  Former Merger Agreement.  The Agreement and Plan
of Merger dated as of November 29, 1995 among Rite Aid Corporation, Ocean
Acquisition Corporation and Revco has been terminated in accordance with its
terms, and Revco has no liabilities or obligations, contingent or otherwise,
under or arising out of such agreement or the transactions contemplated
thereby, except for obligations under the confidentiality provisions of such
agreement.

               Section 3.26.  Pooling Letter.  Revco has received a letter from
Arthur Andersen, LLP dated as of the date of this Agreement and addressed to
Revco, a copy of which has been delivered to CVS, stating that Arthur
Andersen, LLP believes that the acquisition of Revco by CVS should be treated
as a pooling of interests in conformity with generally accepted accounting
principles, as described in Accounting Principles Board Opinion No. 16.

               Section 3.27.  Affiliates.  Schedule 3.27 sets forth each
Person who, as of the date hereof, is, to the best of Revco's knowledge,
deemed to be an Affiliate of Revco.




                                   ARTICLE 4


                     Representations and Warranties of CVS

               CVS represents and warrants to Revco that:

               Section 4.01.  Organization and Power.  Each of CVS and its
Subsidiaries is a corporation, partnership or other entity duly organized,
validly existing and is in good standing under the laws of the jurisdiction of
its incorporation or organization, and has the requisite corporate or other
power and authority and governmental approvals to own, lease and operate its
properties and to carry on its business as now being conducted, except where
the failure to be so organized, existing and in good standing or to have such
power, authority and governmental approvals would not, individually or in the
aggregate, have a Material Adverse Effect on CVS.  Each of CVS and its
Subsidiaries is duly qualified or licensed to do business and is in good
standing in each jurisdiction in which the property owned, leased or operated
by it or the nature of the business conducted by it makes such qualification
or licensing necessary, except where the failure to be so duly qualified or
licensed and in good standing would not, individually or in the aggregate,
have a Material Adverse Effect on CVS.  Schedule 4.01 sets forth a complete
list of CVS' Significant Subsidiaries.  CVS has delivered to Revco true and
complete copies of CVS' and Merger Subsidiary's certificate of incorporation
and bylaws as currently in effect.

               Section 4.02.  Corporate Authorization.  The execution, delivery
and performance by CVS and Merger Subsidiary of this Agreement and the
consummation by CVS and Merger Subsidiary of the transactions contemplated
hereby, including entering into the Zell-Chilmark Stockholder Agreement, are
within the corporate powers of CVS and Merger Subsidiary and, except for any
required approval by the stockholders of CVS of the issuance of shares of CVS
Common Stock in connection with the Merger, have been duly authorized by all
necessary corporate action, including by resolution of the Board of Directors
of CVS.  The affirmative vote, in favor of the issuance of shares of CVS
Common Stock in connection with the Merger (including any shares contemplated
by Section 1.04), of a majority of the votes represented by the shares of CVS
Common Stock and CVS ESOP Preference Stock, voting as a single class, present
at the CVS Stockholder Meeting in person or by proxy and entitled to vote (so
long as a majority of the votes represented by the total outstanding shares of
CVS Common Stock and CVS ESOP Preference Stock is cast at such meeting), is
the only vote of any class or series of CVS' capital stock necessary in
connection with this Agreement and the transactions contemplated hereby.  This
Agreement has been duly executed and delivered by each of CVS and Merger
Subsidiary and constitutes a valid and binding agreement of each of CVS and
Merger Subsidiary, enforceable against CVS or Merger Subsidiary, as
applicable, in accordance with its terms (subject to applicable bankruptcy,
insolvency, reorganization, moratorium, fraudulent transfer and other similar
laws affecting creditors' rights generally from time to time in effect and to
general principles of equity, including concepts of materiality,
reasonableness, good faith and fair dealing, regardless of whether in a
proceeding at equity or at law).  The shares of CVS Common Stock issued
pursuant to the Merger, when issued in accordance with the terms hereof, will
be duly authorized, validly issued, fully paid and nonassessable and not
subject to preemptive rights.

               Section 4.03.  Governmental Authorization. The execution,
delivery and performance by CVS and Merger Subsidiary of this Agreement, and
the consummation by CVS and Merger Subsidiary of the transactions contemplated
hereby, require no action, by or in respect of, or filing with, any
Governmental Authority other than (a) the filing of a certificate of merger
with respect to the Merger with the Delaware Secretary of State and appropriate
documents with the relevant authorities of other states in which Merger
Subsidiary is qualified to do business; (b) compliance with any applicable
requirements of the HSR Act; (c) compliance with any applicable requirements
of the 1933 Act; (d) compliance with any applicable requirements of the 1934
Act; (e) compliance with any other applicable securities laws; (f) those that
may be required solely by reason of Revco's (as opposed to any other third
party's) participation in the transactions contemplated by this Agreement; (g)
the approval of the relevant pharmacy boards and alcoholic beverage
commissions or comparable entities in the states in which CVS and its
Subsidiaries do business; (h) actions or filings which, if not taken or made,
would not, individually or in the aggregate, reasonably be expected to have a
Material Adverse Effect on CVS; and (i) filings and notices not required to be
made or given until after the Effective Time.

               Section 4.04.  Non-Contravention.  Except as set forth on
Schedule 4.04, the execution, delivery and performance by CVS and Merger
Subsidiary of this Agreement do not, and the consummation by CVS and Merger
Subsidiary of the transactions contemplated hereby will not (a) assuming
receipt of the approval of stockholders referred to in Section 4.02, contravene
or conflict with the certificate of incorporation, bylaws or similar
organizational documents of CVS or any of its Subsidiaries, (b) assuming
compliance with the matters referred to in Section 4.03, contravene or conflict
with or constitute a violation of any provision of any law, regulation,
judgment, injunction, order or decree binding upon or applicable to CVS or
Merger Subsidiary, (c) constitute a default (or an event which with notice, the
lapse of time or both would become a default) under or give rise to a right of
termination, cancellation or acceleration of any right or obligation of CVS or
Merger Subsidiary or to a loss of any benefit to which CVS or Merger
Subsidiary is entitled under any provision of any agreement, contract or other
instrument binding upon CVS or Merger Subsidiary and which either has a term
of more than one year or involves the payment or receipt of money in excess of
$500,000 (a "CVS Agreement") or any license, franchise, permit or other
similar authorization held by CVS or Merger Subsidiary, or (d) result in the
creation or imposition of any Lien on any asset of CVS or Merger Subsidiary,
except for such contraventions, conflicts or violations referred to in clause
(b) or defaults, rights of termination, cancellation or acceleration, losses
or Liens referred to in clause (c) or (d) that would not, individually or in
the aggregate, have a Material Adverse Effect on CVS.

               Section 4.05.  Capitalization of CVS.  (a) The authorized
capital stock of CVS consists of 300,000,000 shares of CVS Common Stock,
120,619 shares of Cumulative Preferred Stock, par value $0.01 per share (the
"CVS Preferred Stock"), and 50,000,000 shares of Preference Stock, par value $1
per share (the "CVS ESOP Preference Stock").  As of the close of business on
January 31, 1997, (i) 106,907,752 shares of CVS Common Stock are issued and
outstanding, 5,830,722 shares of CVS Common Stock are held in CVS' treasury,
6,392,382 shares of CVS Common Stock are reserved for issuance upon conversion
of shares of CVS ESOP Preference Stock, 3,000,000 shares of CVS Common Stock
are reserved for additional grants under option and other stock-based plans
and 5,490,637 shares of CVS Common Stock are reserved for issuance pursuant to
options previously granted pursuant to CVS option plans, (ii) 5,558,595 shares
of CVS ESOP Preference Stock are issued and outstanding and (iii) no shares of
CVS Preferred Stock are issued or outstanding.  All the outstanding shares of
CVS' capital stock are, and all shares which may be issued pursuant to CVS
option plans will be, when issued in accordance with the respective terms
thereof, duly authorized, validly issued, fully paid and non-assessable.
Except as set forth in this Section 4.05, except for the transactions
contemplated by this Agreement (including those permitted in Section 5.02(d)),
and except for changes since January 31, 1997 resulting from the exercise of
employee and director stock options outstanding on such date, as of the date
hereof, there are outstanding (x) no shares of capital stock or other voting
securities of CVS, (y) no securities of CVS convertible into or exchangeable
for shares of capital stock or voting securities of CVS, and (z) no options,
warrants or other rights to acquire from CVS, and no preemptive or similar
rights, subscriptions or other rights, convertible securities, agreements,
arrangements or commitments of any character, relating to the capital stock of
CVS, obligating CVS to issue, transfer or sell, any capital stock, voting
securities or securities convertible into or exchangeable for capital stock or
voting securities of CVS or obligating CVS to grant, extend or enter into any
such option, warrant, subscription or other right, convertible security,
agreement, arrangement or commitment (the items in clauses (x), (y) and (z)
being referred to collectively as the "CVS Securities").  None of CVS or its
Subsidiaries has any contractual obligation to redeem, repurchase or otherwise
acquire any CVS Securities or any CVS Subsidiary Securities, including as a
result of the transactions contemplated by this Agreement.

           (b)  Except for the provisions of CVS' certificate of incorporation
relating to the voting of CVS ESOP Preference Stock by the applicable trustee
in accordance with the instructions of plan participants, there are no voting
trusts or other agreements or understandings to which CVS or any Subsidiary
of CVS is a party with respect to the voting of the capital stock of CVS or any
Subsidiary of CVS.

               Section 4.06.  Capitalization of Subsidiaries.  Except as set
forth in Schedule 4.06, all of the outstanding shares of capital stock of, or
other ownership interests in, each Subsidiary of CVS, is owned by CVS,
directly or indirectly, free and clear of any consensual Lien (including any
restriction on the right to vote, sell or otherwise dispose of such capital
stock or other ownership interests).  There are no outstanding (i) securities
of CVS or any Subsidiary of CVS convertible into or exchangeable for shares of
capital stock or other voting securities or ownership interests in any
Subsidiary of CVS, or (ii) options or other rights to acquire from CVS or any
Subsidiary of CVS, and no other obligation of CVS or any Subsidiary of CVS to
issue, any capital stock, voting securities or other ownership interests in,
or any securities convertible into or exchangeable for, any capital stock,
voting securities or ownership interests in, any Subsidiary of CVS (the items
in clauses (i) and (ii) being referred to collectively as the "CVS Subsidiary
Securities").

               Section 4.07.  SEC Filings.  (a) CVS has filed all required
reports, schedules, forms, statements and other documents with the SEC since
January 1, 1995 (the "CVS SEC Documents").

           (b)  As of its filing date, each CVS SEC Document filed pursuant to
the 1934 Act did not contain any untrue statement of a material fact or omit to
state any material fact necessary in order to make the statements therein, in
the light of the circumstances under which they were made, not misleading,
except to the extent that such statements have been modified or superseded by
a later filed CVS SEC Document.

           (c)  Each CVS SEC Document that is a  registration statement, as
amended or supplemented, if applicable, filed pursuant to the 1933 Act as of
the date such registration statement or amendment became effective did not
contain any untrue statement of a material fact or omit to state any material
fact required to be stated therein or necessary to make the statements therein
not misleading, except to the extent that such statements have been modified or
superseded by a later filed CVS SEC Document.

               Section 4.08.  Financial Statements.  The audited consolidated
financial statements and unaudited consolidated interim financial statements
of CVS (or its predecessor, Melville Corporation) included in CVS' Annual
Report on Form 10-K for the fiscal year ended December 31, 1995 (the "CVS
10-K") and its Quarterly Report on Form 10-Q for the fiscal quarter ended
September 30, 1996 have been prepared in accordance with GAAP (except, in the
case of unaudited statements, as permitted by Form 10-Q of the SEC) applied on
a consistent basis during the periods involved (except as may be indicated in
the notes thereto) and fairly present the consolidated financial position of
CVS (or such predecessor) and its consolidated Subsidiaries as of the dates
thereof and their consolidated results of operations and cash flows for the
periods then ended (subject to normal year-end adjustments in the case of any
unaudited interim financial statements).  For purposes of this Agreement, "CVS
Balance Sheet" means the consolidated balance sheet of Melville Corporation as
of December 31, 1995 set forth in the CVS 10-K and "CVS Balance Sheet Date"
means December 31, 1995.

               Section 4.09.  Disclosure Documents.  (a) The Registration
Statement on Form S-4 of CVS (the "Form S-4") to be filed under the 1933 Act
relating to the issuance of CVS Common Stock in the Merger and the proxy
statement of CVS (the "CVS Proxy Statement" and, together with the Form S-4,
the "CVS Disclosure Documents"), to be filed with the SEC in connection with
the Merger, and any amendments or supplements thereto, will, when filed,
subject to the last sentence of Section 4.09(b), comply as to form in all
material respects with the applicable requirements of the 1933 Act and 1934
Act and the rules and regulations promulgated thereunder.

           (b)  (i) Neither the Form S-4 nor any amendment or supplement
thereto will at the time it becomes effective under the 1933 Act or at the
Effective Time 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 therein not misleading, and (ii) neither the CVS Proxy Statement
nor any amendment or supplement thereto will, at the date it is first mailed to
stockholders of CVS or at the time such stockholders vote on the approval of
the issuance of shares of CVS Common Stock in connection with the Merger,
contain any untrue statement of a material fact or omit to state any material
fact necessary in order to make the statements therein, in the light of the
circumstances under which they were made, not misleading.  No representation
or warranty is made by CVS in this Section 4.09 with respect to statements
made or incorporated by reference therein based on information supplied by
Revco for inclusion or incorporation by reference in any CVS Disclosure
Document.

               Section 4.10.  Information Supplied.  None of the information
supplied or to be supplied by CVS for inclusion or incorporation by reference
in the Revco Proxy Statement or any amendment or supplement thereto will, at
the date the Revco Proxy Statement or any amendment or supplement thereto is
first mailed to stockholders of Revco and at the time such stockholders vote
on the adoption and approval of this Agreement and the transactions
contemplated hereby, contain any untrue statement of a material fact or omit to
state any material fact necessary in order to make the statements therein, in
light of the circumstances under which they were made, not misleading.

               Section 4.11.  Absence of Certain Changes.  Except as disclosed
in the CVS SEC Documents filed prior to the date of this Agreement or as
disclosed in Schedule 4.11 and except in connection with the Permitted CVS
Transactions, since September 30, 1996, CVS and its Subsidiaries have
conducted their business in the ordinary course consistent with past practice
and there has not been:

           (a)  any event, occurrence or development which, individually or in
the aggregate, has had or would be reasonably likely to have a Material
Adverse Effect on CVS, except for general economic changes and changes that
affect the industry of CVS or any of its Subsidiaries generally;

           (b)  any declaration, setting aside or payment of any dividend or
other distribution with respect to any shares of capital stock of CVS (other
than payment of CVS' regular quarterly cash dividend on CVS Common Stock and
payment of required dividends on CVS ESOP Preference Stock) or any repurchase,
redemption or other acquisition by CVS or any Subsidiary of CVS of any amount
of outstanding shares of capital stock or other equity securities of, or other
ownership interests in, CVS or any Subsidiary of CVS;

           (c)  any amendment of any term of any outstanding security of CVS
or any Subsidiary of CVS that would materially increase the obligations of CVS
or such Subsidiary under such security;

           (d)  (x) any incurrence or assumption by CVS or any Subsidiary of
CVS of any indebtedness for borrowed money other than under existing credit
facilities (or any renewals, replacements or extensions thereof that do not
materially increase the commitments thereunder except to the extent of the
amount required to refinance any indebtedness for borrowed money of Revco and
its Subsidiaries as of the Closing Date) (A) in the ordinary course of
business consistent with past practices (it being understood that any
indebtedness incurred prior to the date hereof in respect of capital
expenditures shall be considered to have been in the ordinary course of
business consistent with past practice) or (B) in connection with the
transactions contemplated by this Agreement, or (y) any guarantee, endorsement
or other incurrence or assumption of liability (whether directly, contingently
or otherwise) by CVS or any Subsidiary of CVS for the obligations of any other
Person (other than any Subsidiary of CVS), other than in the ordinary course
of business consistent with past practice or in connection with obligations of
Revco and its Subsidiaries assumed at the Effective Time;

           (e)  any creation or assumption by CVS or any Subsidiary of CVS of
any consensual Lien on any material asset of CVS or any Subsidiary of CVS
other than in the ordinary course of business consistent with past practices;

           (f)  any making of any loan, advance or capital contribution to or
material investment in any Person by CVS or any Subsidiary of CVS other than
(i) prior to the date hereof to former Subsidiaries prior to or in connection
with the disposition of the Marshalls, KayBee Toys, This End Up, Wilsons
Leather, Footstar, Inc. (including Meldisco, Footaction and Thom McAn) and
Linens 'n Things, Inc. businesses pursuant to Melville Corporation's publicly
announced restructuring program (the "CVS Restructuring Program"), (ii) loans,
advances or capital contributions to or investments in wholly-owned
Subsidiaries of CVS or (iii) loans or advances to employees of CVS or any
Subsidiary of CVS made in the ordinary course of business consistent with past
practices;

           (g)  (i) any contract or agreement entered into by CVS or any
Subsidiary of CVS on or prior to the date hereof relating to any material
acquisition or disposition of any assets or business or (ii) any modification,
amendment, assignment, termination or relinquishment by CVS or any Subsidiary
of CVS of any contract, license or other right (including any insurance policy
naming it as a beneficiary or a loss payable payee) that would be reasonably
likely to have a Material Adverse Effect on CVS, other than, in the case of
(i) and (ii), (x) transactions, commitments, contracts or agreements in the
ordinary course of business consistent with past practice, (y) those in
connection with the CVS Restructuring Program and (z) those contemplated by
this Agreement; or

           (h)  any material change in any method of accounting or accounting
principles or practice by CVS or any Subsidiary of CVS, except for any such
change required by reason of a change in GAAP.

               Section 4.12.  No Undisclosed Material Liabilities.  There have
been no liabilities or obligations (whether pursuant to contracts or
otherwise) of any kind whatsoever incurred by CVS or any Subsidiary of CVS
since September 30, 1996, whether accrued, contingent, absolute, determined,
determinable or otherwise, other than:

           (a)  liabilities or obligations (i) disclosed or provided for in
the CVS Balance Sheet or in the notes thereto, (ii) disclosed in the CVS SEC
Documents filed prior to the date hereof or (iii) disclosed in Schedule 4.12;

           (b)  liabilities or obligations which, individually and in the
aggregate, have not had and are not reasonably likely to have a Material
Adverse Effect on CVS; or

           (c)  liabilities or obligations under this Agreement or incurred in
connection with the transactions contemplated hereby.

               Section 4.13.  Litigation.  Except as disclosed in the CVS SEC
Documents filed prior to the date hereof, there is no action, suit,
investigation or proceeding pending against, or to the knowledge of CVS,
threatened against or affecting, CVS or any Subsidiary of CVS or any of their
respective properties before any Governmental Authority which, individually or
in the aggregate, would be reasonably likely to have a Material Adverse Effect
on CVS.

               Section 4.14.  Taxes.  (a) CVS and each of its Subsidiaries has
timely filed (or has had timely filed on its behalf) or will file or cause to
be timely filed, all material Tax Returns required by applicable law to be
filed by it prior to or as of the Effective Time, and all such material Tax
Returns are, or will be at the time of filing, complete in all material
respects;

           (b)  CVS and each of its Subsidiaries has paid (or has had paid on
its behalf) or, where payment is not yet due, has established in accordance
with GAAP (or has had established on its behalf and for its sole benefit and
rcourse) or will establish or cause to be established on or before the
Effective Time an adequate accrual for the payment of, all material Taxes due
with respect to any period ending prior to or as of the Effective Time; and

           (c)  the federal income Tax Returns of CVS have been examined by
and settled with the Service (or the applicable statutes of limitation for the
assessment of federal income Taxes for such periods have expired) for all
years through 1990.

               Section 4.15.  Employee Benefits, ERISA.  (a) Except as set
forth in Schedule 4.15, there are no material employee benefit plans
(including any plans for the benefit of directors or former directors),
arrangements, practices, contracts or agreements (including employment
agreements and severance agreements, incentive compensation, bonus, stock
option, stock appreciation rights and stock purchase plans) of any type
(including plans described in Section 3(3) of ERISA), maintained by CVS, any
of its Subsidiaries or any ERISA Affiliate, that together with CVS would be
deemed a "controlled group" within the meaning of Section 4001(a)(14) of
ERISA, or with respect to which CVS or any of its Subsidiaries has or may have
a liability (the "CVS Benefit Plans").  Since September 30, 1996, there has
been no change, amendment, modification to, or adoption of, any CVS Benefit
Plan, in each case, that has had, or would be reasonably likely to have, a
Material Adverse Effect on CVS.

           (b)  With respect to each CVS Benefit Plan, except as would not,
individually or in the aggregate, have a Material Adverse Effect on CVS: (i) if
intended to qualify under Section 401(a), 401(k) or 403(a) of the Code, such
plan so qualifies, and its trust is exempt from taxation under Section 501(a)
of the Code; (ii) such plan has been administered in accordance with its terms
and applicable law; (iii) no breaches of fiduciary duty have occurred; (iv) no
prohibited transaction within the meaning of Section 406 of ERISA has
occurred; (v) as of the date of this Agreement, no lien imposed under the Code
or ERISA exists; and (vi) all contributions and premiums due (including any
extensions for such contributions and premiums) have been made in full.

           (c)  None of the CVS Benefit Plans has incurred any "accumulated
funding deficiency", as such term is defined in Section 412 of the Code,
whether or not waived.

           (d)  Neither CVS nor any ERISA Affiliate has incurred any liability
under Title IV of ERISA (including Sections 4063-4064 and 4069 of ERISA) since
the effective date of ERISA that has not been satisfied in full except as,
individually or in the aggregate, would not have or would not be reasonably
likely to have a Material Adverse Effect on CVS.

           (e)  With respect to each CVS Benefit Plan that is a "welfare plan"
(as defined in Section 3(1) of ERISA), no such plan provides medical or death
benefits with respect to current or former employees of CVS or any of its
Subsidiaries beyond their termination of employment, other than on an
employee-pay-all basis, except as would not be reasonably likely, individually
or in the aggregate, to have a Material Adverse Effect on CVS.

           (f)  The consummation of the transactions contemplated by this
Agreement will not (i) entitle any individual to severance pay or any tax
"gross-up" payments with respect to the imposition of any tax pursuant to
Section 4999 of the Code or accelerate the time of payment or vesting, or
increase the amount, of compensation or benefits due to any individual with
respect to any CVS Benefit Plan, or (ii) constitute or result in a prohibited
transaction under Section 4975 of the Code or Section 406 or 407 of ERISA with
respect to any CVS Benefit Plan.

           (g)  There is no CVS Benefit Plan that is a "multiemployer plan", as
such term is defined in Section 3(37) of ERISA, or which is covered by Section
4063 or 4064 of ERISA.

           (h)  Neither CVS nor any of its Significant Subsidiaries is a party
to any collective bargaining agreement.  Except as would not be reasonably
likely, individually or in the aggregate, to have a Material Adverse Effect on
CVS, (i) there is no labor strike, slowdown or work stoppage or lockout
against CVS or any of its Significant Subsidiaries and (ii) there is no unfair
labor practice charge or complaint against or pending before the National
Labor Relations Board.  As of the date of this Agreement, there is no
representation claim or petition pending before the National Labor Relations
Board and, to the knowledge of CVS,  no question concerning representation
exists with respect to the employees of CVS or any of its Significant
Subsidiaries.

               Section 4.16.  Compliance with Laws; No Default; No
Non-Competes.  (a)  Neither CVS nor any of its Subsidiaries is in violation of
or has violated or failed to comply with any statute, law, ordinance,
regulation, rule, judgment, decree, order, writ, injunction, permit or license
or other authorization or approval of any Governmental Authority applicable to
its business or operations, except for violations and failures to comply that
would not, individually or in the aggregate, be reasonably likely to result in
a Material Adverse Effect on CVS.

           (b)  Each CVS Agreement is a valid, binding and enforceable
obligation of CVS and in full force and effect, except where the failure to be
valid, binding and enforceable and in full force and effect would not,
individually or in the aggregate, have a Material Adverse Effect on CVS.  None
of CVS or any of its Subsidiaries is in default or violation of any term,
condition or provision of (i) its respective certificate of incorporation or
by-laws or similar organizational documents or (ii) any CVS Agreement, except,
in the case of clauses (i) (with respect to organizational documents that are
partnership, joint venture or similar documents) and (ii), for defaults or
violations that, individually or in the aggregate, have not had and would not
be reasonably likely to have a Material Adverse Effect on CVS.  CVS has all
permits and licenses (including pharmaceutical and liquor licenses and permits)
necessary to carry on the business being conducted at each store location,
except where the failure to have such permit or license would not, individually
or in the aggregate, be reasonably likely to have a Material Adverse Effect on
CVS.  Neither CVS nor any Subsidiary of CVS is a party to any agreement that
expressly limits the ability of CVS or any Subsidiary of CVS to compete in or
conduct any line of business or compete with any Person or in any geographic
area or during any period of time except to the extent that any such
limitation would not be reasonably likely to have a Material Adverse Effect on
CVS after giving effect to the Merger.

               Section 4.17.  Finders' Fees.  Except for Donaldson, Lufkin &
Jenrette Securities Corporation and CS First Boston Corporation, a copy of
each of whose engagement agreement has been provided to Revco, no investment
banker, broker, finder, other intermediary or other Person is entitled to any
fee or commission from CVS or any Subsidiary of CVS upon consummation of the
transactions contemplated by this Agreement.

               Section 4.18.  Environmental Matters.  (a) Except as set forth
in the CVS 10-K:

                 (i)  no notice, notification, demand, request for information,
citation, summons or order has been received by, no complaint has been filed
against, no penalty has been assessed against, and no investigation, action,
claim, suit, proceeding or review is pending or, to the knowledge of CVS or
any Subsidiary of CVS, is threatened by any Person, against CVS or any
Subsidiary of CVS with respect to any matters relating to or arising out of
any Environmental Law which, individually or in the aggregate, would be
reasonably likely to have a Material Adverse Effect on CVS;

                (ii)  no Hazardous Substance has been discharged, disposed of,
dumped, injected, pumped, deposited, spilled, leaked, emitted or released at,
on or under any property now or, to the knowledge of CVS, previously owned,
leased or operated by CVS or any Subsidiary of CVS, which circumstance,
individually or in the aggregate, would be reasonably likely to have a
Material Adverse Effect on CVS; and

               (iii)  there are no Environmental Liabilities that,
individually or in the aggregate, have had or would be reasonably likely to
have a Material Adverse Effect on CVS.

           (b)  For purposes of this Section, capitalized terms used shall
have the meanings assigned to them in Section 3.18(b), except that in all
cases the word "CVS" shall be substituted for the word "Revco".

               Section 4.19.  Assets.  The assets, properties, rights and
contracts, including (as applicable), title or leaseholds thereto, of CVS and
its Subsidiaries, taken as a whole, are sufficient to permit CVS and its
Subsidiaries to conduct their business as currently being conducted with only
such exceptions as are not reasonably likely to have a Material Adverse Effect
on CVS. All material real property owned by CVS and its Subsidiaries is owned
free and clear of all Liens, except (A) those reflected or reserved against in
the latest balance sheet (or notes thereto) of CVS included in the CVS SEC
Documents filed prior to the date hereof, (B) taxes and general and special
assessments not in default and payable without penalty or interest, (C) Liens
disclosed in Schedule 4.19 and (D) Liens that do not materially adversely
interfere with any present use of such property.

               Section 4.20.  Opinion of Financial Advisor.  CVS has received
the written opinion of Donaldson, Lufkin & Jenrette Securities Corporation to
the effect that, as of the date hereof, the Conversion Number to be received
by the holders of Shares in the Merger is fair to CVS from a financial point
of view.  CVS has delivered to Revco a copy of such opinion.

               Section 4.21.  Transactions with Affiliates.  Except to the
extent disclosed in the CVS SEC Documents filed prior to the date of this
Agreement and except as set forth on Schedule 4.21, from January 1, 1996
through the date of this Agreement, there have been no transactions,
agreements, arrangements or understandings between CVS or its Subsidiaries, on
the one hand, and CVS' Affiliates (other than wholly-owned Subsidiaries of
CVS) or other Persons, on the other hand, that would be required to be
disclosed under Item 404 of Regulation S-K under the 1933 Act.

               Section 4.22.  Accounting Matters.  Neither CVS nor, to its
knowledge, any of its Subsidiaries has taken or agreed to take any action that
would prevent CVS from accounting for the business combination to be effected
by the Merger as a "pooling of interests".

               Section 4.23.  Insurance.  Except as set forth on Schedule
4.23, CVS and each of its Significant Subsidiaries are insured by insurers,
reasonably believed by CVS to be of recognized financial responsibility and
solvency, against such losses and risks and in such amounts as are customary
in the businesses in which they are engaged.  CVS' unsettled workers
compensation and general liability claims would not, individually or in the
aggregate, be reasonably likely to have a Material Adverse Effect on CVS.

               Section 4.24.  Takeover Statutes. The Board of Directors of CVS
has approved the Merger and this Agreement, and such approval is sufficient to
render inapplicable to the Merger, this Agreement, and the transactions
contemplated by this Agreement the provisions of Section 203 of the Delaware
Law. To the best of CVS' knowledge, no other Takeover Statute applicable to
CVS or any of its Subsidiaries, is applicable to the Merger or the other
transactions contemplated hereby.

               Section 4.25.  Pooling Letter.  CVS has received a letter from
KPMG Peat Marwick, LLP dated as of the date of this Agreement and addressed to
CVS, a copy of which has been delivered to Revco, stating that, as of the date
of this Agreement, based on their best judgment regarding the application of
GAAP and the published rules and regulations of the SEC relative to matters
of accounting for business combinations, no conditions exist which would
preclude CVS from accounting for the Merger as a pooling of interests.

               Section 4.26.  Affiliates.  Schedule 4.26 sets forth each
Person who, as of the date hereof, is, to the best of CVS' knowledge, deemed
to be an Affiliate of CVS.



                                   ARTICLE 5

                                   Covenants

               Section 5.01.  Conduct of Revco.  Revco covenants and agrees
that, from the date hereof until the Effective Time, except as expressly
provided otherwise in this Agreement, including Schedules 3.11 and 5.01
hereto, or as reasonably necessary for Revco to fulfill its obligations
hereunder, Revco and its Subsidiaries shall conduct their business in the
ordinary course consistent with past practice and shall use their best efforts
to preserve intact their business organizations and relationships with
customers, suppliers, creditors and business partners and shall use their
reasonable efforts to keep available the services of their present officers
and employees.  Without limiting the generality of the foregoing, from the
date hereof until the Effective Time, without the prior written approval of
CVS (which approval shall not be unreasonably withheld):

           (a)  Revco will not adopt or propose any change in its certificate
of incorporation or any material change in its bylaws;

           (b)  Revco will not, and will not permit any Subsidiary of Revco to,
adopt a plan or agreement of complete or partial liquidation, dissolution,
merger, consolidation, restructuring, recapitalization or other material
reorganization of Revco or any of its Subsidiaries (other than a liquidation or
dissolution of any Subsidiary or a merger or consolidation between wholly
owned Subsidiaries);

           (c)  Revco will not, and will not permit any Subsidiary of Revco to,
make any investment in or acquisition of any business or stores of any Person
or any material amount of assets (other than inventory), except for (i)
acquisitions for cash of drug store businesses comprising not more than ten
stores in any such business acquisition so long as no significant overlap
exists between the stores so acquired and CVS' stores and (ii) any capital
expenditure permitted by Section 5.01(k);

           (d)   Revco will not, and will not permit any Subsidiary of Revco
to, sell, lease, license, close, shut down or otherwise dispose of any assets
(other than inventory) or stores or relocate any stores, except (i) pursuant
to existing contracts or commitments listed on Schedule 5.01 or (ii) sales or
other dispositions of assets (other than stores) in the ordinary course of
business consistent with past practice;

           (e)  Revco will not, and will not permit any Subsidiary of Revco to,
declare, set aside or pay any dividend or other distribution payable in cash,
stock or property with respect to its capital stock other than dividends paid
by any Subsidiary of Revco to Revco or any other Subsidiary of Revco;

           (f)  Revco will not, and will not permit any Subsidiary of Revco to,
issue, sell, transfer, pledge, dispose of or encumber any additional shares of,
or securities convertible into or exchangeable for, or options, warrants,
calls, commitments or rights of any kind to acquire, any shares of capital
stock of any class or series of Revco or its Subsidiaries, other than (i)
issuances pursuant to the exercise of stock-based awards or options (including
under the plans described in Section 3.05(a)) outstanding on the date hereof ,
(ii) options and Shares that may become issuable under Renoir's 1993 Employee
Stock Purchase Plan, (iii) issuances by any Subsidiary of Revco to Revco or any
other Subsidiary of Revco, (iv) Shares issuable in connection with Revco
matching contributions pursuant to Revco's 401(k) Savings Plan and (v) Shares
issuable pursuant to options granted to newly hired management level employees
in accordance with Revco's past practices;

           (g)  Revco will not, and will not permit any Subsidiary of Revco to,
redeem, purchase or otherwise acquire directly or indirectly any of Revco's
capital stock;

           (h)  Revco will not, and will not permit any Subsidiary of Revco to,
close, shut down, or otherwise eliminate any of Revco's or such Subsidiary's
distribution centers;

           (i)  Revco will not, and will not permit any Subsidiary of Revco to,
move the location, close, shut down or otherwise eliminate Revco's or such
Subsidiary's headquarters or effect a general staff reduction at such
headquarters (other than the shutdown of, and related staff reduction at, the
headquarters of Big B in Bessemer, Alabama);

           (j)  Revco will not, and will not permit any Subsidiary of Revco to,
(i) enter into (or commit to enter into) any new lease or renew any existing
lease (except pursuant to commitments for such lease or lease renewal entered
into as of the date hereof) or (ii) purchase or acquire or enter into any
agreement to purchase or acquire any real estate (except pursuant to
commitments existing as of the date hereof);

           (k)  Revco will not, and will not permit any Subsidiary of Revco to,
make or commit to make any capital expenditure (including for store
remodellings, store signage and information systems) except for (i) (x)
information systems expenditures in respect of the Integrated Voice Response
and Patient Services Information Document projects (the "IS Projects") not to
exceed $1,850,000 in the aggregate, provided that Revco shall keep CVS
informed on a prompt basis of the status of each IS Project and shall use
reasonable best efforts to terminate any further work or expenditure on either
or both such projects if so requested by CVS, (y) information systems
expenditures in Big B stores acquired as a result of the Big B Acquisition not
in excess of $30,000 per store, and (z) expenditures on information systems as
part of the expenditures permitted in subclauses (ii), (iv) and (v) of this
clause (k) (it being understood that this clause (k)(i) will not restrict
expenditures necessary for maintenance of existing information systems), (ii)
expenditures not in excess of $50,000 per store in respect of any store
acquired in accordance with Section 5.02(c)(i), (iii) expenditures in
connection with changing the external store signage in order to change the
name of Big B stores to Revco, to the extent such expenditures are
contractually committed as of the date hereof, (iv) expenditures not in excess
of $7.5 million in connection with modifications to Big B's warehouse in
Bessemer, Alabama, (v) expenditures in respect of store commitments specified
in paragraph (j) above in an amount not in excess of that specified in
Schedule 5.01(k) for each such store (or, for any such store for which no
amount is so specified, not in excess of $300,000), (vi) expenditures not in
excess of $1,500,000 incurred pursuant to an agreement dated December 19, 1996
with Andersen Consulting, and (vii) other individual capital expenditure
projects or items (in respect of matters not covered above in this clause (k))
not exceeding $1 million per project or item,

           (l)  Revco will not, and will not permit any Subsidiary of Revco to,
without the prior written consent of CVS, change any tax election, change any
annual tax accounting period, change any method of tax accounting, file any
amended Tax Return, enter into any closing agreement relating to any material
Tax, settle any material Tax claim or assessment, surrender any right to claim
a Tax refund or consent to any extension or waiver (other than a reasonable
extension or waiver) of the limitations period applicable to any Tax claim or
assessment, if any such action would have the effect of materially increasing
the aggregate Tax liability or materially reducing the aggregate tax assets of
Revco and its Subsidiaries, taken as a whole, or, to the knowledge of Revco,
CVS and its Subsidiaries, taken as a whole;

           (m)  Revco will not, and will not permit any Subsidiary of Revco to,
agree or commit to do any of the foregoing; and

           (n)  Revco will not, and will not permit any Subsidiary of Revco to
take or agree or commit to take any action that would make any representation
and warranty of Revco hereunder inaccurate in any material respect at, or as
of any time prior to, the Effective Time.

               Section 5.02.  Conduct of CVS.  From the date hereof until the
Effective Time, except as expressly provided otherwise in this Agreement
including Schedule 5.02 hereto, or as reasonably necessary for CVS to fulfill
its obligations hereunder, CVS and its Subsidiaries shall conduct their
business in the ordinary course consistent with past practice and shall use
their best efforts to preserve intact their business organizations and
relationships with customers, suppliers, creditors and business partners and
shall use their reasonable efforts to keep available the services of their
present officers and employees.  It is understood that nothing in this
Agreement will restrict (x) any acquisition by CVS or any of  its
Subsidiaries, in one or more transactions, of any drug store or any drug store
or related business for cash in an aggregate amount not to exceed $350 million
so long as no significant overlap exists between the stores so acquired and
Revco's stores or (y) any disposition by CVS or its Subsidiaries, in one or
more transactions, of (1) any or all of its Bob's Stores business, (2) its
ownership interest in Linens 'n Things, Inc. or (3) its ownership interest in
any real property or stores leased primarily to Bob's Stores Center, Inc.,
Linens 'n Things, Inc. or their respective Subsidiaries or to any former
Subsidiary of CVS disposed of pursuant to the CVS Restructuring Program ((x)
and (y) being referred to herein as the "Permitted CVS Transactions")).
Without limiting the generality of the foregoing but subject to the preceding
sentence, from the date hereof until the Effective Time, without the prior
written approval of Revco (which approval shall not be unreasonably withheld):

           (a)  CVS will not adopt or propose any change in its certificate of
incorporation or any material change in its bylaws, except for the creation of
a series of preferred stock in connection with the adoption of a shareholder
rights plan;

           (b)  CVS will not, and will not permit any Subsidiary of CVS to, (i)
adopt a plan or agreement of complete or partial liquidation, dissolution,
merger, consolidation, restructuring, recapitalization or other material
reorganization of CVS or any of its Subsidiaries (other than a liquidation or
dissolution of any Subsidiary or a merger or consolidation between wholly
owned Subsidiaries) or (ii) make any material acquisition of the business or
stores of any Person (other than a wholly owned Subsidiary);

           (c)   CVS will not, and will not permit any Subsidiary of CVS to,
sell, lease, license or otherwise dispose of any assets (other than inventory)
in an amount that would be material to CVS and its Subsidiaries, taken as a
whole,  except (i) pursuant to existing contracts or commitments or (ii) in the
ordinary course of business consistent with past practice;

           (d)  CVS will not, and will not permit any Subsidiary of CVS to,
issue, sell, transfer, pledge, dispose of or encumber any additional shares of,
or securities convertible into or exchangeable for, or options, warrants,
calls, commitments or rights of any kind to acquire, any shares of capital
stock of any class or series of CVS or its Subsidiaries, other than (v)
issuances by any Subsidiary of CVS to CVS or any other Subsidiary of CVS, (w)
preferred stock purchase rights and related preferred stock in connection with
the adoption of a shareholder rights plan, (x) issuances pursuant to the
exercise of stock-based awards or options, including under the plans described
in Section 4.05(a), outstanding on the date hereof or granted as contemplated
in clause (z) below, (y) issuances of shares of CVS Common Stock upon
conversion of shares of CVS ESOP Preference Stock outstanding on the date
hereof, and (z) any grant of options or other stock based awards in respect of
CVS Common Stock to employees or directors of CVS or any of its Subsidiaries
that could result in the issuance of not more than 1,600,000 shares in the
aggregate of CVS Common Stock;

           (e)  CVS will not, and will not permit any Subsidiary of CVS to,
declare, set aside or pay any dividend or other distribution payable in cash,
stock or property with respect to its capital stock other than (i) cash
dividends payable by CVS in an aggregate amount not in excess of $0.14 per
share per calendar quarter, (ii) required cash dividends on CVS ESOP
Preference Stock and (iii) dividends paid by any Subsidiary of CVS to CVS or
any other Subsidiary of CVS;

           (f) CVS will not, and will not permit any Subsidiary of CVS to,
redeem, purchase or otherwise acquire directly or indirectly any of CVS'
capital stock;

           (g)  CVS will not, and will not permit any Subsidiary of CVS to,
agree or commit to do any of the foregoing; and

           (h)  CVS will not, and will not permit any Subsidiary of CVS to take
or agree or commit to take any action that would make any representation and
warranty of CVS hereunder inaccurate in any material respect at, or as of any
time prior to, the Effective Time.

               Section 5.03.  Stockholder Meetings; Proxy Materials; Form S-4.
(a) Unless the Board of Directors of Revco shall take any action permitted by
the third sentence of this Section 5.03(a), Revco shall cause a meeting of its
stockholders (the "Revco Stockholder Meeting") to be duly called and held as
soon as reasonably practicable after the date of this Agreement for the
purpose of voting on the approval and adoption of this Agreement and the
Merger (the "Revco Stockholder Approval").  Except as provided in the next
sentence, the Board of Directors of Revco shall recommend approval and
adoption of this Agreement and the Merger by Revco's stockholders. The Board
of Directors of Revco shall be permitted to (i) not recommend to Revco's
stockholders that they give the Revco Stockholder Approval or (ii) withdraw or
modify in a manner adverse to CVS its recommendation to Revco's stockholders
that they give the Revco Stockholder Approval, but in each of cases (i) and
(ii) only if and to the extent that Revco has complied with Section 5.05 and a
Superior Proposal is pending at the time Revco's Board of Directors determines
to take any such action or inaction; provided that no such failure to
recommend, withdrawal or modification shall be made unless Revco shall have
delivered to CVS a written notice (a "Notice of Superior Proposal") advising
CVS that the Board of Directors of Revco has received a Superior Proposal and
identifying the Person making such Superior Proposal; provided, further that
nothing contained in this Agreement shall prevent the Board of Directors of
Revco from complying with Rule 14e-2 under the 1934 Act with regard to an
Acquisition Proposal.  In connection with such stockholder meeting, Revco (x)
will promptly prepare and file with the SEC, will use its reasonable best
efforts to have cleared by the SEC and will thereafter mail to its
stockholders as promptly as practicable the Revco Proxy Statement and all
other proxy materials for such meeting, (y) will use its reasonable best
efforts, subject to the immediately preceding sentence, to obtain the Revco
Stockholder Approval and (z) will otherwise comply with all legal requirements
applicable to such meeting.  For purposes of this Agreement, "Superior
Proposal" means any bona fide Acquisition Proposal for at least a majority of
the outstanding Shares on terms that the Board of Directors of Revco
determines in its good faith judgment (based on the advice of a financial
advisor of nationally recognized reputation, taking into account all the terms
and conditions of the Acquisition Proposal, including any break-up fees,
expense reimbursement provisions and conditions to consummation) are more
favorable and provide greater value to all Revco's stockholders than this
Agreement and the Merger taken as a whole.  For purposes of this Agreement,
"Acquisition Proposal" means any offer or proposal for, or any indication of
interest in, a merger or other business combination involving Revco or any
Subsidiary of Revco or the acquisition of any equity interest in, or a
substantial portion of the assets of, Revco or any Subsidiary of Revco, other
than the transactions contemplated by this Agreement and other than an offer
for a bona fide de minimis equity interest, or for an amount of assets not
material to Revco and its Subsidiaries taken as a whole, that Revco has no
reason to believe would lead to a change of control Revco (or to the
acquisition of a substantial portion of the assets of Revco and its
Subsidiaries).

           (b)  Unless the Board of Directors of Revco shall take any action
permitted by the third sentence of paragraph (a) above, CVS shall cause a
meeting of its stockholders (the "CVS Stockholder Meeting") to be duly called
and held as soon as reasonably practicable after the date of this Agreement
for the purpose of voting on the issuance of shares of CVS Common Stock in
connection with the Merger (the "CVS Stockholder Approval") and, at such
stockholder meeting, the Directors of CVS shall recommend approval by CVS'
stockholders of such issuance of shares of CVS Common Stock.  Unless the Board
of Directors of Revco shall take any action permitted by the third sentence of
paragraph (a) above in connection with such stockholder meeting, CVS (i) will
promptly prepare and file with the SEC, will use its reasonable best efforts
to have cleared by the SEC and will thereafter mail to its stockholders as
promptly as practicable the CVS Proxy Statement and all other proxy materials
for such meeting, (ii) will use its reasonable best efforts to obtain the CVS
Stockholder Approval and (iii) will otherwise comply with all legal
requirements applicable to such meeting.

           (c)  CVS shall promptly prepare and file with the SEC the Form S-4
with respect to the CVS Common Stock issuable in connection with the Merger
and take any action required to be taken under applicable state securities
laws and the regulations of the NYSE in connection with such issuance of CVS
Common Stock.  Subject to the terms and conditions of this Agreement and
unless the Board of Directors of Revco shall take any action permitted by the
third sentence of paragraph (a) above, CVS shall use its reasonable best
efforts to have the Form S-4 declared effective under the 1933 Act as promptly
as practicable after the Form S-4 is filed.

               Section 5.04.  Access to Information.  (a) To the extent
permitted by applicable law, from the date hereof until the Effective Time,
Revco will give CVS, its counsel, financial advisors, auditors and other
authorized representatives reasonable access during normal business hours to
the offices, properties, books and records of Revco and its Subsidiaries, will
furnish to CVS, its counsel, financial advisors, auditors and other authorized
representatives such financial and operating data and other information as such
Persons may reasonably request and will instruct Revco's employees, auditors,
counsel and financial advisors to cooperate with CVS in its investigation of
the business of Revco and its Subsidiaries; provided that no investigation
pursuant to this Section shall affect any representation or warranty given by
Revco to CVS hereunder.  In the event Revco requests approval of CVS pursuant
to Section 5.01 to enter into any new store lease, CVS agrees not to contact
the applicable landlord regarding such store lease or property unless CVS is
already involved in discussions with the landlord regarding such lease or
property and such discussions have not been terminated prior to such request.
The foregoing information shall be held in confidence to the extent required
by, and in accordance with, the provisions of the letter agreement dated
January 8, 1997 between CVS and Revco (the "Confidentiality Agreement").

           (b)  To the extent permitted by applicable law, from the date hereof
until the Effective Time, CVS will give Revco, its counsel, financial advisors,
auditors and other authorized representatives reasonable access during normal
business hours to the offices, properties, books and records of CVS and its
Subsidiaries, will furnish to Revco, its counsel, financial advisors, auditors
and other authorized representatives such financial and operating data and
other information as such Persons may reasonably request and will instruct CVS'
employees, auditors, counsel and financial advisors to cooperate with Revco in
its investigation of the business of CVS and its Subsidiaries; provided that no
investigation pursuant to this Section shall affect any representation or
warranty given by CVS to Revco hereunder.  Such information shall be held in
confidence to the extent required by, and in accordance with, the
Confidentiality Agreement.

               Section 5.05.  Other Offers.  From the date hereof until the
termination hereof, Revco will not and will cause its Subsidiaries and the
officers, directors, employees, investment bankers, consultants and other
agents of Revco and its Subsidiaries and the Affiliates of Revco over which
Revco exercises control not to, directly or indirectly, take any action to
solicit, initiate, encourage or facilitate the making of any Acquisition
Proposal or any inquiry with respect thereto or engage in discussions or
negotiations with any Person with respect thereto, or disclose any non-public
information relating to Revco or any Subsidiary of Revco or afford access to
the properties, books or records of Revco or any Subsidiary of Revco to, any
Person that has made any Acquisition Proposal;  provided that nothing
contained in this Section 5.05 shall prevent Revco from furnishing non-public
information to, or entering into discussions or negotiations with, any Person
in connection with an unsolicited bona fide Acquisition Proposal received from
such Person so long as prior to furnishing non-public information to, or
entering into discussions or negotiations with, such Person, Revco receives
from such Person an executed confidentiality agreement with terms no less
favorable to Revco than those contained in the Confidentiality Agreement;
provided, further that nothing contained in this Agreement shall prevent (a)
the Board of Directors of Revco from complying with Rule 14e-2 under the 1934
Act with regard to an Acquisition Proposal or (b) Revco from taking any
action, reasonably acceptable to CVS, that may be necessary in order to comply
with Revco's obligations under Section 5.07.  Revco will promptly (and in no
event later than 24 hours after receipt of any Acquisition Proposal) notify
(which notice shall be provided orally and in writing and shall identify the
Person making such Acquisition Proposal and set forth the material terms
thereof) CVS after receipt of any Acquisition Proposal or any request for
nonpublic information relating to Revco or any Subsidiary of Revco or for
access to the properties, books or records of Revco or any Subsidiary of Revco
by any Person that may be considering making, or has made, an Acquisition
Proposal.  Revco will keep CVS reasonably informed of the status and material
terms of any Superior Proposal.  Revco shall give CVS at least 24 hours'
advance notice of any information to be supplied to, and at least 48 hours'
advance notice of any agreement to be entered into with, any Person making
such Superior Proposal.  Revco will, and will cause its Subsidiaries and the
officers, directors, employees and other agents of Revco and its Subsidiaries
and the Affiliates of Revco over which Revco exercises control to, immediately
cease and cause to be terminated all discussions and negotiations, if any,
that have taken place prior to the date hereof with any parties with respect
to any Acquisition Proposal.

               Section 5.06.  Notices of Certain Events.  (a) Revco and CVS
shall promptly notify each other of:

                 (i)  any notice or other communication from any Person
alleging that the consent of such Person is or may be required in connection
with the transactions contemplated by this Agreement; and

                (ii)  any notice or other communication from any Governmental
Authority in connection with the transactions contemplated by this Agreement.


           (b)  Revco shall promptly notify CVS of any actions, suits, claims,
investigations or proceedings commenced or, to its knowledge threatened
against, relating to or involving or otherwise affecting Revco or any
Subsidiary of Revco which, if pending on the date of this Agreement, would
have been required to have been disclosed pursuant to Section 3.13 or which
relate to the consummation of the transactions contemplated by this Agreement.

           (c)  CVS shall promptly notify Revco of any actions, suits, claims,
investigations or proceedings commenced or, to its knowledge threatened
against, relating to or involving or otherwise affecting CVS or any Subsidiary
of CVS which, if pending on the date of this Agreement, would have been
required to have been disclosed pursuant to Section 4.13 or which relate to the
consummation of the transactions contemplated by this Agreement.

               Section 5.07.  Best Efforts. (a) Subject to the terms and
conditions of this Agreement, each party will use its best efforts to take, or
cause to be taken, all actions and to do, or cause to be done, all things
necessary, proper or advisable under applicable laws and regulations to
consummate the Merger and the other transactions contemplated by this
Agreement. In furtherance and not in limitation of the foregoing, each party
hereto agrees to make an appropriate filing of a Notification and Report Form
pursuant to the HSR Act with respect to the transactions contemplated hereby
as promptly as practicable and in any event within ten business days of the
date hereof and to supply as promptly as practicable any additional
information and documentary material that may be requested pursuant to the HSR
Act and to take all other actions necessary to cause the expiration or
termination of the applicable waiting periods under the HSR Act as soon as
practicable.

           (b)  Each of CVS and Revco shall, in connection with the efforts
referenced in Section 5.07(a) to obtain all requisite approvals and
authorizations for the transactions contemplated by this Merger Agreement
under the HSR Act or any other Antitrust Law, use its best efforts to (i)
cooperate in all respects with each other in connection with any filing or
submission and in connection with any investigation or other inquiry, including
any proceeding initiated by a private party; (ii) keep the other party informed
in all material respects of any material communication received by such party
from, or given by such party to, the Federal Trade Commission (the "FTC"), the
Antitrust Division of the Department of Justice (the "DOJ") or any other
Governmental Authority and of any material communication received or given in
connection with any proceeding by a private party, in each case regarding any
of the transactions contemplated hereby; and (iii)  permit the other party to
review any material communication given by it to, and consult with each other
in advance of any meeting or conference with, the FTC, the DOJ or any such
other Governmental Authority or, in connection with any proceeding by a
private party, with any other Person, and to the extent permitted by the FTC,
the DOJ or such other applicable Governmental Authority or other Person, give
the other party the opportunity to attend and participate in such meetings and
conferences.  For purposes of this Agreement, "Antitrust Law" means the
Sherman Act, as amended, the Clayton Act, as amended, the HSR Act, the Federal
Trade Commission Act, as amended, and all other federal, state and foreign, if
any, statutes, rules, regulations, orders, decrees, administrative and
judicial doctrines and other laws that are designed or intended to prohibit,
restrict or regulate actions having the purpose or effect of monopolization or
restraint of trade or lessening of competition through merger or acquisition.

           (c)  In furtherance and not in limitation of the covenants of the
parties contained in Sections 5.07(a) and (b), each of CVS and Revco shall use
its best efforts to resolve such objections if any, as may be asserted with
respect to the transactions contemplated hereby under any Antitrust Law.  In
connection with the foregoing, if any administrative or judicial action or
proceeding, including any proceeding by a private party, is instituted (or
threatened to be instituted) challenging any transaction contemplated by this
Agreement as violative of any Antitrust Law, each of CVS and Revco shall
cooperate in all respects with each other and use its respective best efforts
to contest and resist any such action or proceeding and to have vacated,
lifted, reversed or overturned any decree, judgment, injunction or other order,
whether temporary, preliminary or permanent, that is in effect and that
prohibits, prevents or restricts consummation of the transactions contemplated
by this Agreement.  Notwithstanding the foregoing or any other provision of
this Agreement, nothing in this Section 5.07 shall limit a party's right to
terminate this Agreement pursuant to Section 7.01(b)(i) or 7.01(c) so long as
such party has up to then complied in all material respects with its
obligations under this Section 5.07.

           (d)  If any objections are asserted with respect to the transactions
contemplated hereby under any Antitrust Law or if any suit is instituted by any
Governmental Authority or any private party challenging any of the
transactions contemplated hereby as violative of any Antitrust Law, each of
CVS and Revco shall use its best efforts to resolve any such objections or
challenge as such Governmental Authority or private party may have to such
transactions under such Antitrust Law so as to permit consummation of the
transactions contemplated by this Agreement.  In furtherance and not in
limitation of the foregoing, each of CVS and Revco (and, to the extent
required by any Governmental Authority, its respective Subsidiaries and
Affiliates over which it exercises control) shall be required to enter into a
settlement, undertaking, consent decree, stipulation or other agreement (each,
a "Settlement") with a Governmental Authority regarding antitrust matters in
connection with the transactions contemplated by this Agreement, but,
notwithstanding anything else contained in this Agreement, neither CVS nor
Revco shall be required to enter into any Settlement that requires CVS and/or
Revco to hold separate (including by establishing a trust or otherwise) or to
sell or otherwise dispose of stores of CVS (and its Subsidiaries) and/or Revco
(and its Subsidiaries) the aggregate revenues of which (for the fiscal year
ended December 31, 1996, in the case of CVS stores, and June 1, 1996, in the
case of Revco stores) exceeded $400 million (such a Settlement so requiring
the holding separate, sale or other disposition of such stores the aggregate
revenues of which, so determined, did not exceed $400 million being referred
to herein as the "Threshold Settlement"); provided that there shall be
excluded from stores counted in determining whether the Threshold Settlement
has been exceeded any stores acquired pursuant to, and CVS agrees that it
shall take any action necessary to resolve any objections that are raised as
contemplated by this Section 5.07 in connection with, any acquisition
permitted under clause (x) of the second sentence of Section 5.02 or under
Section 5.02(b)(ii);  provided further that any stores acquired by Revco as
permitted by Section 5.01(c) shall be counted in determining whether the
Threshold Settlement has been exceeded.  The parties agree that compliance
with any such Threshold Settlement may require holding separate, sale or
disposition of stores of either or both of the parties.

               Section 5.08.  Cooperation.  Without limiting the generality of
Section 5.07, CVS and Revco shall together, or pursuant to an allocation of
responsibility to be agreed between them, coordinate and cooperate (i) with
respect to the timing of the CVS Stockholder Meeting and Revco Stockholder
Meeting and shall use their reasonable efforts to hold such meetings on the
same day, (ii) in connection with the preparation of the Revco Proxy Statement
and the CVS Disclosure Documents, (iii) in determining whether any action by
or in respect of, or filing with, any governmental body, agency or official, or
authority is required, or any actions, consents, approvals or waivers are
required to be obtained from parties to any material contracts, in connection
with the consummation of the transactions contemplated by this Agreement, and
(iv) in seeking any such actions, consents, approvals or waivers or making any
such filings, furnishing information required in connection therewith or with
the Revco Proxy Statement or the CVS Disclosure Documents and seeking timely
to obtain any such actions, consents, approvals or waivers.

               Section 5.09.  Public Announcements.  So long as this Agreement
is in effect, CVS and Revco will consult with each other before issuing any
press release or making any SEC filing or other public statement with respect
to this Agreement or the Zell/Chilmark Stockholder Agreement or the
transactions contemplated hereby or thereby and, except as may be required by
applicable law, court process or any listing agreement with any national
securities exchange, will not issue any such press release or make any such
SEC filing or other public statement prior to such consultation and providing
the other party with a reasonable opportunity to comment thereon.

               Section 5.10.  Further Assurances.  At and after the Effective
Time, the officers and directors of the Surviving Corporation will be
authorized to execute and deliver, in the name and on behalf of Revco or Merger
Subsidiary, any deeds, bills of sale, assignments or assurances and to take and
do, in the name and on behalf of Revco or Merger Subsidiary, any other actions
and things to vest, perfect or confirm of record or otherwise in the Surviving
Corporation any and all right, title and interest in, to and under any of the
rights, properties or assets of Revco acquired or to be acquired by the
Surviving Corporation as a result of, or in connection with, the Merger.

               Section 5.11.  Affiliates; Registration Rights.  (a) Revco
shall use its best efforts to deliver to CVS, within 15 days of the date
hereof, a letter agreement substantially in the form of Exhibit C-1 hereto
executed by each Person listed on Schedule 3.27.

           (b)  CVS shall use its best efforts to obtain, within 15 days of
the date hereof, a letter agreement substantially in the form of Exhibit C-2
hereto executed by each Person listed on Schedule 4.26.

           (c)  Prior to the Closing Date, Revco shall cause to be delivered to
CVS a letter identifying, to the best of Revco's knowledge, all Persons who
are, at the time of the Revco Stockholder Meeting described in Section
5.03(a), deemed to be "affiliates" of Revco for purposes of Rule 145 under the
1933 Act (the "1933 Act Affiliates").  Revco shall use its reasonable best
efforts to cause each Person who is so identified as a 1933 Act Affiliate to
deliver to CVS on or prior to the Closing Date a letter agreement substantially
in the form of Exhibit C-3 to this Agreement.

           (d)  At or prior to the Effective Time, CVS shall enter into a
Registration Rights Agreement in the form attached as Exhibit B hereto with
each of the 1933 Act Affiliates of Revco that has theretofore executed and
delivered to CVS letter agreements substantially in the form of Exhibits C-1
and C-3 hereto.

               Section 5.12.  Director and Officer Liability.  CVS agrees that
at all times after the Effective Time, it shall cause the Surviving
Corporation and its Subsidiaries to indemnify each Person who is now, or has
been at any time prior to the date hereof, an employee, agent, director or
officer of Revco or of any Subsidiary of Revco, its successors and assigns
(individually an "Indemnified Party" and collectively the "Indemnified
Parties"), to the fullest extent permitted by law, with respect to any claim,
liability, loss, damage, judgment, fine, penalty, amount paid in settlement or
compromise, cost or expense (including reasonable fees and expenses of legal
counsel), whenever asserted or claimed, based in whole or in part on, or
arising in whole or in part out of, any facts or circumstances occurring at or
prior to the Effective Time whether commenced, asserted or claimed before or
after the Effective Time, including liability arising under the 1933 Act, the
1934 Act or state law.  CVS shall, or shall cause the Surviving Corporation
to, maintain in effect for not less than six years after the Effective Time
the current policies of directors' and officers' liability insurance
maintained by Revco and its Subsidiaries on the date hereof (provided that CVS
may substitute therefor policies with reputable and financially sound carriers
having at least the same coverage and amounts thereof and containing terms and
conditions which are no less advantageous to the Persons currently covered by
such policies as insured) with respect to facts or circumstances occurring at
or prior to the Effective Time; provided that if the aggregate annual premiums
for such insurance during such six-year period shall exceed 200% of the per
annum rate of the aggregate premium currently paid by Revco and its
Subsidiaries for such insurance on the date of this Agreement, then CVS shall
cause the Surviving Corporation to, and the Surviving Corporation shall,
provide the most advantageous coverage that shall then be available at an
annual premium equal to 200% of such rate.  CVS agrees to pay all expenses
(including fees and expenses of counsel) that may be incurred by any
Indemnified Party in successfully enforcing the indemnity or other obligations
under this Section 5.12.  The rights under this Section 5.12 are in addition
to rights that an Indemnified Party may have under the certificate of
incorporation, bylaws, or other similar organizational documents of Revco or
any of its Subsidiaries or the Delaware Law.  The rights under this Section
5.12 shall survive consummation of the Merger and are expressly intended to
benefit each Indemnified Party.  CVS agrees to cause the Surviving Corporation
and any of its Subsidiaries (or their successors) to maintain in effect for a
period of six years the provisions of its certificate of incorporation or
bylaws or similar organizational documents providing for indemnification of
Indemnified Parties, with respect to facts or circumstances occurring at or
prior to the Effective Time, to the fullest extent provided by law; provided
that the foregoing shall not in any way restrict or preclude any sale,
liquidation or dissolution of any Subsidiary of CVS at any time after the
Effective Time.

               Section 5.13.  Obligations of Merger Subsidiary.  CVS will take
all action necessary to cause Merger Subsidiary to perform its obligations
under this Agreement and to consummate the Merger on the terms and conditions
set forth in this Agreement.

               Section 5.14.  Listing of Stock.  CVS shall use its best
efforts to cause the shares of CVS Common Stock to be issued in connection
with the Merger to be approved for listing on the NYSE on or prior to the
Closing Date, subject to official notice of issuance.

               Section 5.15.  Antitakeover Statutes.  If any Takeover Statute
is or may become applicable to the Merger, each of CVS and Revco shall take
such actions as are necessary so that the transactions contemplated by this
Agreement may be consummated as promptly as practicable on the terms
contemplated hereby and otherwise act to eliminate or minimize the effects of
any Takeover Statute on the Merger.

               Section 5.16.  Confidentiality/Standstill Agreement.  The
parties hereto agree that the Confidentiality Agreement shall be hereby
amended to provide that any provision therein which in any manner would be
inconsistent with this Agreement or the Zell/Chilmark Stockholder Agreement or
the transactions contemplated hereby or thereby shall terminate as of the date
hereof; provided, however, that such provisions of the Confidentiality
Agreement shall be reinstated in the event of any termination of this
Agreement.  Revco agrees not to take any action that would impede, bar,
restrict or otherwise interfere in any material respect with CVS' rights under
the Zell/Chilmark Stockholder Agreement.  The provisions of this Section 5.16
shall survive any termination of this Agreement.

               Section 5.17.  Tax and Accounting Treatment.  Each of CVS and
Revco shall not take any action and shall not fail to take any action which
action or failure to act would prevent, or would be reasonably likely to
prevent, the Merger from qualifying (A) for pooling of interests accounting
treatment or (B) as a reorganization within the meaning of Section 368(a) of
the Code, and Revco shall use reasonable efforts to obtain the opinion of
counsel referred to in Section 6.03(b).

               Section 5.18.  Employee Benefits.  (a) Subject to Section 1.04,
following the Effective Time, CVS shall, or shall cause the Surviving
Corporation to (i) honor all obligations under employment agreements of Revco
and (ii) pay all benefits accrued through the Effective Time under employee
benefit plans, programs, policies and arrangements of Revco (including any
rabbi trust agreement) in accordance with the terms thereof.  In furtherance
and not in limitation of the foregoing, CVS agrees to provide, or cause the
Surviving Corporation to provide, employees of Revco who continue to be
employed by Revco as of the Effective Time ("Continuing Employees") for a
period of not less than one year following the Effective Time with (A) annual
compensation not less favorable than the annual compensation which they were
receiving immediately prior to the Effective Time, and (B) benefits which, in
the aggregate, are no less favorable than the benefits provided to such Revco
employees immediately prior to the Effective Time; provided, however, that the
CVS incentive bonus plans or arrangements, the EVA Plan and the Revco 1993
Employee Stock Purchase Plan shall be disregarded for purposes of this clause
(B).  Following such one-year period, Continuing Employees shall be provided
with compensation and benefits no less favorable than the compensation and
benefits provided to similarly situated CVS employees.  In addition to the
foregoing, for a period of one year following the Effective Time, CVS shall,
or shall cause the Surviving Corporation to, establish and maintain a plan to
provide severance and termination benefits to all non-union employees of Revco
which are no less favorable than the severance and termination benefits
provided under Revco's plans and arrangements in effect as of the date of this
Agreement as described in Schedule 5.18(a).  Furthermore, with respect to
medical benefits provided to Continuing Employees as of the Effective Time
under CVS' benefit plans, CVS agrees that it will, or it will cause the
Surviving Corporation and its Subsidiaries to, waive waiting periods and
pre-existing condition requirements under such plans (to the extent waived
under Revco's plans), and will give Continuing Employees credit for any
copayments and deductibles actually paid by such employees under Revco's
medical plans during the calendar year in which the Closing occurs.  In
addition, service with Revco shall be recognized for purposes of eligibility
under CVS welfare plans as well as for purposes of CVS' programs or policies
for vacation pay and sick pay.  Without limiting the generality of the
foregoing, CVS shall honor all vacation, personal and sick days accrued by
Continuing Employees under Revco's plans, policies, programs and arrangements
immediately prior to the Effective Time.

           (b)  Revco shall be permitted to pay, under its Economic Value Added
Incentive Bonus Plan (the "EVA Plan"), a bonus to each participant in the EVA
Plan who is actively employed by Revco at the earlier of (i) the Effective
Time and (ii) May 31, 1997, equal to the bonus such individual is entitled to
under the EVA plan based upon the Company's performance through May 31, 1997
or, if earlier, annualized performance through the Effective Time.  To the
extent the Effective Time is after May 31, 1997, a new plan year shall begin
under the EVA Plan and each participant in the EVA Plan who is actively
employed by Revco at the Closing Date will be entitled to receive a bonus
based upon annualized performance through the Closing Date with the size of
such bonus payments to be pro-rated for the part of the new plan year which
has elapsed as of the Closing Date.  For the first plan year of CVS ending
after the Closing Date, each Continuing Employee who was a participant in the
EVA Plan shall be entitled to participate in the CVS incentive bonus plans or
arrangements with a target bonus opportunity (when expressed as a percentage
of base pay) not less than such Continuing Employee's target bonus opportunity
(when expressed as a percentage of base pay) under the EVA Plan for the plan
year in which the Closing Date occurs.  The parties agree that Schedule
5.18(b) accurately sets forth the methodology for calculating bonuses payable
under the EVA Plan.

               Section 5.19.  CVS Board of Directors.  The Board of Directors
of CVS shall take such corporate actions as are necessary to provide that,
effective at the Effective Time of the Merger, the individuals set forth on
Schedule 5.19 shall become members of the Board of Directors of CVS.

               Section 5.20.  Combined Financial Results.  CVS covenants and
agrees for the benefit of the Persons specified in Schedules 3.27 and 4.26
that, as promptly as practicable following the Effective Time and in any
event no later than the earlier of (i) 45 days after the end of the calendar
month in which the Effective Time occurs and (ii) 60 days after the Effective
Time, it will publicly release the financial results of CVS and Revco for a
30-day period following the Effective Time.

               Section 5.21.  Charitable Commitment.  CVS agrees that for a
period of three years following the Effective Time, CVS will continue to
maintain a charitable commitment in the Cleveland area (including suburbs)
commensurate with the level previously maintained by Revco, such commitment to
take the form of and include contributions, sponsorship of charitable events
and similar activities in the nature of the contributions and activities set
forth on Schedule 5.21; provided that CVS shall not be required to expend more
than $1,000,000 annually in respect of such commitment.




                                   ARTICLE 6


                           Conditions to the Merger

               Section 6.01.  Conditions to the Obligations of Each Party.  The
obligations of Revco, CVS and Merger Subsidiary to consummate the Merger are
subject to the satisfaction (or waiver by the party for whose benefit the
applicable condition exists) of the following conditions:

           (a)  (i) this Agreement and the transactions contemplated hereby
shall have been approved and adopted by the stockholders of Revco in accordance
with the Delaware Law and (ii) if required by the applicable rules of the
NYSE, by the stockholders of CVS;

           (b)  any applicable waiting period under the HSR Act relating to the
transactions contemplated by this Agreement shall have expired;

           (c)  no provision of any applicable law or regulation and no
judgment, injunction, order or decree shall prohibit or enjoin the
consummation of the Merger;

           (d)  there shall not be pending any suit, action or proceeding by
any governmental entity, (i) seeking to restrain or prohibit the consummation
of the Merger or any of the other transactions contemplated by this Agreement,
or seeking to obtain from CVS or Revco any damages the amount of which would
be reasonably likely to have a Material Adverse Effect on Revco and CVS, taken
as a whole, or (ii) except to the extent consistent with the obligations of
Revco and CVS under Section 5.07, seeking to prohibit or limit the ownership
or operation by CVS, Revco or any of their respective Subsidiaries of, or to
compel CVS, Revco or any of their respective Subsidiaries to dispose of or
hold separate, any material portion of the business or assets of CVS, Revco or
any of their respective Subsidiaries, as a result of the Merger or any of the
other transactions contemplated by this Agreement;

           (e)  the Form S-4 shall have been declared effective under the 1933
Act and no stop order suspending the effectiveness of the Form S-4 shall be in
effect and no proceedings for such purpose shall be pending before or
threatened by the SEC; and

           (f)  the shares of CVS Common Stock to be issued in the Merger shall
have been approved for listing on the NYSE, subject to official notice of
issuance.

               Section 6.02.  Conditions to the Obligations of CVS and Merger
Subsidiary.  The obligations of CVS and Merger Subsidiary to consummate the
Merger are subject to the satisfaction (or waiver by CVS) of the following
further conditions:

           (a)  (i) Revco shall have performed in all material respects all of
its obligations and complied in all material respects with all of its covenants
hereunder required to be performed or complied with by it at or prior to the
Effective Time and (ii) the representations and warranties of Revco contained
in this Agreement shall be true and correct in all material respects at and as
of the Effective Time, as if made at and as of such time, except (x) for
changes specifically permitted by this Agreement and (y) those representations
and warranties that address matters only as of a particular date which are
true and correct in all material respects as of such date; and CVS shall have
received a certificate signed by an executive officer of Revco to the effect
set forth in clauses (i) and (ii).

               Section 6.03.  Conditions to the Obligations of Revco.  The
obligations of Revco to consummate the Merger are subject to the satisfaction
(or waiver by Revco) of the following further conditions:

           (a)  (i) CVS shall have performed in all material respects all of
its obligations and complied in all material respects with all of its covenants
hereunder required to be performed or complied with by it at or prior to the
Effective Time and (ii) the representations and warranties of CVS contained in
this Agreement shall be true and correct in all material respects at and as of
the Effective Time, as if made at and as of such time, except (x) for changes
specifically permitted by this Agreement and (y) those representations and
warranties that address matters only as of a particular date which are true and
correct in all material respects as of such date; and Revco shall have received
a certificate signed by an executive officer of CVS to the effect set forth in
clauses (i) and (ii); and

           (b)  Revco shall have received an opinion of Cravath, Swaine &
Moore in form and substance reasonably satisfactory to Revco, on the basis of
certain facts, representations and assumptions set forth in such opinion which
are consistent with the state of facts existing at the Effective Time, to the
effect that neither it nor any of its stockholders shall recognize gain or
loss for U.S. federal income tax purposes as a result of the Merger (other
than in respect of any cash paid in lieu of fractional shares).  In rendering
the opinions described in the preceding sentence, such counsel may require and
rely upon representations contained in certificates of officers and principal
stockholders of Revco, CVS and their respective Subsidiaries (the certificates
substantially in the form of Exhibits D and E).



                                   ARTICLE 7

                                  Termination

               Section 7.01.  Termination.  This Agreement may be terminated and
the Merger may be abandoned at any time prior to the Effective Time
(notwithstanding any approval of this Agreement by the stockholders of Revco
or CVS):

           (a)  by mutual written consent of Revco and CVS;

           (b)  by either Revco or CVS,

                 (i)  if the Merger has not been consummated by September 30,
1997 (the "End Date"); or

                (ii)  if the Revco Stockholder Approval or the CVS Stockholder
Approval shall not have been obtained by reason of the failure to obtain the
required vote at a duly held meeting of stockholders or any adjournment
thereof;

           (c)  by either Revco or CVS (so long as such party has complied in
all material respects with its obligations under Section 5.07), if
consummation of the Merger would violate or be prohibited by any law or
regulation or if any injunction, judgment, order or decree enjoining Revco or
CVS from consummating the Merger is entered and such injunction, judgment,
order or decree shall become final and nonappealable;

           (d)  by Revco:

                 (i)  if prior to the Revco Stockholder Meeting, the Board of
Directors of Revco shall have failed to recommend or withdrawn or modified or
changed in a manner adverse to CVS its approval or recommendation of this
Agreement or the Merger or shall have recommended a Superior Proposal, or
Revco shall have entered into a definitive agreement providing for a Superior
Proposal with a Person other than CVS or its Subsidiaries (or the Board of
Directors of Revco resolves to do any of the foregoing), in each case in
accordance with and to the extent permitted by Section 5.03(a); provided that
Revco shall have given CVS at least forty-eight hours advance actual notice of
any termination pursuant to this Section 7.01(d)(i) and shall have made the
payment referred to in Section 8.04(b) hereof; or

                (ii)  upon a breach of any representation, warranty, covenant
or agreement of CVS, or if any representation or warranty of CVS shall become
untrue, in either case such that the conditions set forth in Section 6.03(a)
would be incapable of being satisfied by the End Date;

           (e)  by CVS:

                 (i)  if the Board of Directors of Revco shall have failed to
recommend or withdrawn, or modified or changed in a manner adverse to CVS its
approval or recommendation of this Agreement or the Merger or shall have
recommended a Superior Proposal, or Revco shall have entered into a definitive
agreement providing for a Superior Proposal with a Person other than CVS or
its Subsidiaries (or the Board of Directors of Revco resolves to do any of the
foregoing); or

                (ii)  upon a breach of any representation, warranty, covenant
or agreement of Revco, or if any representation or warranty of Revco shall
become untrue, in either case such that the conditions set forth in Section
6.02(a) would be incapable of being satisfied by the End Date.

               The party desiring to terminate this Agreement pursuant to
clauses (b), (c), (d) or (e) of this Section 7.01 shall give written notice of
such termination to the other party in accordance with Section 8.01,
specifying the provision hereof pursuant to which such termination is
effected. Notwithstanding anything else contained in this Agreement, (A) the
right to terminate this Agreement under this Section 7.01 shall not be
available to any party (1) that is in material breach of its obligations
hereunder or (2) whose failure to fulfill its obligations or to comply with
its covenants under this Agreement in all material respects has been the cause
of, or resulted in, the failure to satisfy any condition to the obligations of
either party hereunder, and (B) no party that is in material breach of its
obligations hereunder shall be entitled to any payment of any amount from the
other party pursuant to Section 8.04.

               Section 7.02.  Effect of Termination.  If this Agreement is
terminated pursuant to Section 7.01, this Agreement shall become void and of
no effect with no liability on the part of any party hereto, except that (a)
the agreements contained in this Section 7.02 and in Sections 5.16 and 8.04
and in the Confidentiality Agreement shall survive the termination hereof and
(b) no such termination shall relieve any party of any liability or damages
resulting from any willful material breach by that party of this Agreement.




                                   ARTICLE 8


                                 Miscellaneous

               Section 8.01.  Notices.  All notices, requests and other
communications to any party hereunder shall be in writing (including telecopy
or similar writing) and shall be given:

          if to CVS, to:

                       CVS Corporation
                       One CVS Drive
                       Woonsocket, RI  02895
                       Fax: (401) 762-3012

                       Attention:Thomas M. Ryan, Vice Chairman and
                       Chief Operating Officer


          with a copy to:

                       Davis Polk & Wardwell
                       450 Lexington Avenue
                       New York, New York  10017
                       Fax: (212) 450-4800

                       Attention:Dennis S. Hersch, Esq.


          if to Revco, to:

                       Revco D.S., Inc.
                       1925 Enterprise Parkway
                       Twinsburg, OH  44087
                       Fax: (216) 487-1679

                       Attention:Jack A. Staph, Esq.


          with a copy to:

                       Cravath, Swaine & Moore
                       Worldwide Plaza
                       825 Eighth Avenue
                       New York, New York  10019-7475
                       Fax: (212) 474-3700

                       Attention:Alan C. Stephenson, Esq.


or such other address or telecopy number as such party may hereafter specify
for the purpose by notice to the other parties hereto.  Each such notice,
request or other communication shall be effective (a) if given by telecopy,
when such telecopy is transmitted to the telecopy number specified in this
Section 8.01 and the appropriate telecopy confirmation is received or (b) if
given by any other means, when delivered at the address specified in this
Section 8.01.

               Section 8.02.  Entire Agreement;  Non-Survival of
Representations and Warranties;  Third Party Beneficiaries.  (a)  This
Agreement (including any exhibits hereto), the other agreements referred to
in this Agreement and the Confidentiality Agreement constitute the entire
agreement among the parties with respect to the subject matter hereof and
thereof and supersede all prior agreements, understandings and
negotiations, both written and oral, between the parties with respect to
such subject matter.  None of this Agreement, the Confidentiality Agreement
or any other agreement contemplated hereby or thereby (or any provision
hereof or thereof) is intended to confer on any Person other than the
parties hereto or thereto any rights or remedies (except that Article I and
Sections 5.12, 5.18 and 5.20 are intended to confer rights and remedies on
the Persons specified therein).

           (b)  The representations and warranties contained herein or in any
schedule, instrument or other writing delivered pursuant hereto shall not
survive the Effective Time.

               Section 8.03.  Amendments; No Waivers.  (a) Any provision of this
Agreement may be amended or waived prior to the Effective Time if, and only
if, such amendment or waiver is in writing and signed, in the case of an
amendment, by Revco and CVS or, in the case of a waiver, by the party against
whom the waiver is to be effective; provided that after the adoption of this
Agreement by the stockholders of (i) Revco, there shall be made no amendment
that by law requires further approval by stockholders without the further
approval of such stockholders and (ii) CVS, there shall be made no amendment
that by law requires further approval by stockholders without the further
approval of such stockholders.

           (b)  No failure or delay by any party in exercising any right,
power or privilege hereunder 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.  The rights
and remedies herein provided shall be cumulative and not exclusive of any
rights or remedies provided by law.

               Section 8.04.  Expenses.  (a) Except as otherwise specified in
this Section 8.04 or agreed in writing by the parties, 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 cost or expense.

           (b)  If (x) Revco shall terminate this Agreement pursuant to Section
7.01(d)(i) hereof, or (y) CVS shall terminate this Agreement pursuant to
Section 7.01(e)(i) hereof, or (z) either party shall terminate this Agreement
pursuant to Section 7.01(b)(ii) in circumstances where the Revco Stockholder
Approval has not been obtained and Revco has not complied with its obligation
to recommend the Revco Stockholder Approval in accordance with Section
5.03(a), then in any such case as described in clause (x), (y) or (z) (each
such case of termination being referred to as a "Trigger Event"), Revco shall
pay to CVS (by wire transfer of immediately available funds not later than the
date of termination of this Agreement) an amount equal to $80,000,000 plus all
out-of-pocket expenses (not to exceed $5,000,000) incurred by CVS in connection
with this Agreement, the Merger and the other transactions contemplated
hereby.  Acceptance by CVS of the payment referred to in the foregoing
sentence shall constitute conclusive evidence that this Agreement has been
validly terminated.

           (c)  If either party shall terminate this Agreement pursuant to
Section 7.01(b)(ii) in circumstances where the CVS Stockholder Approval has
not been obtained and CVS has not complied with its obligation to recommend
the CVS Stockholder Approval in accordance with Section 5.03(b), then CVS
shall pay to Revco (by wire transfer of immediately available funds not later
than the date of termination of this Agreement) an amount equal to $80,000,000
plus all out-of-pocket expenses (not to exceed $5,000,000) incurred by Revco in
connection with this Agreement, the Merger and the other transactions
contemplated hereby.

               Section 8.05.  Successors and Assigns.  The provisions of this
Agreement shall be binding upon, inure to the benefit of and be enforceable by
the parties hereto and their respective successors and assigns; provided that
no party may assign, delegate or otherwise transfer any of its rights or
obligations under this Agreement without the written consent of the other
parties hereto except that CVS may assign, in its sole discretion, any or all
of its rights, interests and obligations hereunder to any direct or indirect
wholly owned Subsidiary of CVS, it being understood that no such assignment
shall relieve CVS from any of its obligations hereunder.

               Section 8.06.  Governing Law.  This Agreement shall be construed
in accordance with and governed by the law of the State of Delaware (without
regard to principles of conflict of laws).

               Section 8.07.  Jurisdiction.  Any suit, action or proceeding
seeking to enforce any provision of, or based on any matter arising out of or
in connection with, this Agreement or the transactions contemplated by this
Agreement may be brought against any of the parties in any federal court
located in the State of Delaware or any Delaware state court, and each of the
parties hereto hereby consents to the exclusive jurisdiction of such courts
(and of the appropriate appellate courts therefrom) in any such suit, action or
proceeding and waives any objection to venue laid therein.  Process in any
such suit, action or proceeding may be served on any party anywhere in the
world, whether within or without the State of Delaware.  Without limiting the
generality of the foregoing, each party hereto agrees that service of process
upon such party at the address referred to in Section 8.01, together with
written notice of such service to such party, shall be deemed effective service
of process upon such party.

               Section 8.08.  Counterparts; Effectiveness.  This Agreement may
be signed in any number of counterparts, each of which shall be an original,
with the same effect as if the signatures thereto and hereto were upon the same
instrument.  This Agreement shall become effective when each party hereto
shall have received counterparts hereof signed by all of the other parties
hereto.

               Section 8.09.  Interpretation.  When a reference is made in this
Agreement to a Section or Schedule, such reference shall be to a Section of or
a Schedule to this Agreement unless otherwise indicated.  The table of contents
and headings contained in this Agreement are for reference purposes only and
shall not affect in any way the meaning or interpretation of this Agreement.
Whenever the words "include", "includes" or "including" are used in this
Agreement they shall be deemed to be followed by the words "without
limitation".  The phrases "the date of this Agreement", "the date hereof", and
terms of similar import, unless the context otherwise requires, shall be deemed
to refer to February 6, 1997.

               Section 8.10.  Severability.  If any term, provision, covenant
or restriction of this Agreement is held by a court of competent jurisdiction
or other authority to be invalid, void, unenforceable or against its regulatory
policy, the remainder of the terms, provisions, covenants and restrictions of
this Agreement shall remain in full force and effect and shall in no way be
affected, impaired or invalidated.  Upon such determination that any term,
provision, covenant or restriction of this Agreement is invalid, void,
unenforceable or against regulatory policy, the parties hereto shall negotiate
in good faith to modify this Agreement so as to effect the original intent of
the parties as closely as possible in an acceptable manner to the end that the
transactions contemplated hereby are fulfilled to the extent possible.

               Section 8.11.  Specific Performance.  The parties hereto agree
that irreparable damage would occur in the event any provision of this
Agreement was not performed in accordance with the terms hereof and that the
parties shall be entitled to an injunction or injunctions to prevent breaches
of this Agreement and to enforce specifically the terms and provisions of this
Agreement in any Federal court located in the State of Delaware or any
Delaware state court, in addition to any other remedy to which they are
entitled at law or in equity.

               Section 8.12.  Joint and Several Liability.  CVS and Merger
Subsidiary hereby agree that they will be jointly and severally liable for all
covenants, agreements, obligations and representations and warranties made by
either of them in this Agreement.



               IN WITNESS WHEREOF, the parties hereto have caused this
Agreement to be duly executed by their respective authorized officers as of the
day and year first above written.


                       CVS CORPORATION


                       By:     /s/ Stanley P. Goldstein
                       --------------------------------------
                         Name: Stanley P. Goldstein
                         Title: Chairman and Chief Executive
                                  Officer


                       REVCO D.S., INC.


                       By:      /s/ D. Dwayne Hoven
                       --------------------------------------
                         Name: D. Dwayne Hoven
                         Title: Chief Executive Officer


                       NORTH ACQUISITION CORP.


                       By:     /s/ Thomas M. Ryan
                       --------------------------------------
                         Name: Thomas M. Ryan
                         Title: Vice Chairman and Chief
                                  Operating Officer





                    AFFILIATE'S LETTER RELATING TO POOLING
                         FOR ZELL/CHILMARK FUND, L.P.
                              (Revco D.S., Inc.)

                                               February 6, 1997

CVS Corporation
One CVS Drive
Woonsocket, RI  02895

Revco D.S., Inc.
1925 Enterprise Parkway
Twinsburg, OH  44087

Ladies and Gentlemen:

               Pursuant to the terms of the Agreement and Plan of Merger dated
as of February 6, 1997 (the "Agreement") among CVS Corporation, a Delaware
corporation ("CVS"), Revco D.S., Inc., a Delaware corporation ("Revco"), and
North Acquisition Corp., a Delaware corporation ("Merger Subsidiary"), Merger
Subsidiary will be merged with and into Revco with Revco to be the surviving
corporation in the Merger (the "Merger").

               The undersigned represents, warrants and covenants with and to
CVS and Revco that:

               A. The undersigned understands that the Merger is intended
to be accounted for using the "pooling-of-interests" method and that such
treatment for financial accounting purposes is dependent upon the accuracy
of certain of the representations and warranties, and the undersigned's
compliance with certain of the covenants and agreements, set forth herein.
Accordingly, the undersigned will not sell, transfer or otherwise dispose
of the undersigned's interests in, or acquire or sell any options or other
securities relating to securities of CVS or Revco that would be intended to
reduce the undersigned's risk relative to, any shares of common stock of
either CVS or Revco beneficially owned by the undersigned, during the
period commencing on the 30th day prior to the effectiveness of the Merger
and ending at such time as CVS publicly releases a report (the "Combined
Financial Results Report") covering at least 30 days of combined operations
of CVS after the Merger; provided that the foregoing shall not restrict the
distribution after the Effective Time (as defined in the Agreement) by the
undersigned to its partners of the shares of common stock of CVS held by
the undersigned so long as (if such distribution occurs before the date of
publication of the Combined Financial Results Report) no later than the
time of such distribution each such partner shall have executed and
delivered to CVS a letter agreement in the form of this letter (but
excluding this proviso).

               B. The undersigned also understands that stop transfer
instructions will be given to the transfer agents of CVS and Revco in order to
prevent any breach of the covenants and agreements make by the undersigned in
paragraph A, although such stop transfer instructions will be promptly
rescinded upon the publication of the Combined Financial Results Report.

               C. The undersigned understands and agrees that this letter
agreement shall apply to all shares of the capital stock of CVS and Revco that
are deemed to be beneficially owned by the undersigned pursuant to applicable
federal securities laws.


                                    Very truly yours,


                                    Zell/Chilmark Fund, L.P.

                                    By: ZC Limited Partnership, general
                                    partner

                                    By: ZC Partnerships, general partner

                                    By: ZC Inc., a partner


                                    By: /s/ Sheli Rosenberg
                                    --------------------------------------
                                          Name: Sheli Rosenberg
                                          Title: Vice President


Accepted this 6th day of
February, 1997.

CVS CORPORATION


By: /s/ Charles Conaway
- ------------------------------------
      Name: Charles Conaway
      Title: Chief Financial Officer



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