EXHIBIT 2.1







                           AGREEMENT AND PLAN OF MERGER

                           DATED AS OF AUGUST 14, 1997

                                   BY AND AMONG

                                W. R. GRACE & CO.,

                             PACKCO ACQUISITION CORP.

                                       AND

                              SEALED AIR CORPORATION

                                                       

                                                       
                                                       

                                  TABLE OF CONTENTS

                                                                        PAGE

                                       RECITALS

               A.   Defined Terms......................................   1
               B.   The Contribution...................................   1
               C.   The Distribution...................................   1
               D.   The Recapitalization...............................   1
               E.   The Merger.........................................   1
               F.   Intention of the Parties...........................   2
               G.   Approvals..........................................   2


                                      ARTICLE I

                     THE REORGANIZATION; CLOSING; EFFECTIVE TIME

         Section 1.1.    The Contribution, the Distribution, and the
                           Recapitalization............................   2
         Section 1.2.    The Merger....................................   2
         Section 1.3.    Effective Time................................   2
         Section 1.4.    Closing.......................................   3


                                     ARTICLE II

                      CERTIFICATE OF INCORPORATION AND BY-LAWS

         Section 2.1.    Certificates of Incorporation.................   3
         Section 2.2.    Surviving Corporation By-laws.................   3


                                     ARTICLE III

                               DIRECTORS AND OFFICERS

         Section 3.1.    Newco Directors...............................   3
         Section 3.2.    Newco Officers................................   3
         Section 3.3.    Surviving Corporation Directors...............   4
         Section 3.4.    Surviving Corporation Officers................   4

               

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                                                                        PAGE

                                     ARTICLE IV

                         MERGER CONSIDERATION; CONVERSION OR
                        CANCELLATION OF SHARES IN THE MERGER

         Section 4.1.    Merger Consideration; Conversion or
                           Cancellation of Capital Stock of Sealed
                           Air and Merger Sub..........................   4
         Section 4.2.    Exchange of Old Certificates for New 
                           Certificates................................   4
                         (a) Appointment of Exchange Agent.............   4
                         (b) Exchange Procedures.......................   5
                         (c) No Transfers..............................   6
                         (d) No Liability..............................   6
                         (e) Withholding Rights........................   6
                         (f) Sealed Air Contingent Stock and Restricted
                               Stock Plans.............................   6


                                     ARTICLE V

                          REPRESENTATIONS AND WARRANTIES

         Section 5.1.    Representations and Warranties of Grace.......   7
                         (a) Capital Stock.............................   7
                         (b) Corporate Organization and Qualification..   9
                         (c) Corporate Authority.......................   9
                         (d) Governmental Filings; No Violations.......  10
                         (e) SEC Documents; Financial Statements;
                               No Undisclosed Liabilities..............  11
                         (f) Absence of Certain Events and Changes.....  11
                         (g) Takeover Statutes; Rights Plan............  12
                         (h) Brokers and Finders.......................  12
                         (i) Contribution..............................  12
                         (j) Tax Matters...............................  12
                         (k) Disclosure................................  13
         Section 5.2.    Representations and Warranties for the
                           Packaging Business..........................  13
                         (a) Corporate Organization and Qualification..  13
                         (b) Corporate Authority.......................  13
                         (c) Capitalization............................  14
                         (d) Financial Statements; No Undisclosed
                               Liabilities.............................  14
                         (e) Absence of Certain Events and Changes.....  15
                         (f) Compliance with Laws......................  15
                         (g) Title to Assets...........................  16
                         (h) Litigation................................  16
                         (i) Taxes.....................................  17
                         (j) Environmental Matters.....................  17



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                                                                        PAGE

                         (k) Contracts and Commitments.................  18
                         (l) Employee Benefit Plans....................  19
                         (m) Trademarks, Patents and Copyrights........  22
         Section 5.3.    Representations and Warranties of Sealed Air..  23
                         (a) Capital Stock.............................  23
                         (b) Corporate Organization and 
                               Qualification...........................  24
                         (c) Corporate Authority.......................  24
                         (d) Governmental Filings; No Violations.......  25
                         (e) SEC Documents; Financial Statements; No
                               Undisclosed Liabilities.................  26
                         (f) Absence of Certain Events and Changes.....  26
                         (g) Compliance with Laws......................  27
                         (h) Title to Assets...........................  27
                         (i) Litigation................................  28
                         (j) Taxes.....................................  28
                         (k) Contracts and Commitments.................  29
                         (l) Employee Benefits.........................  29
                         (m) Environmental Matters.....................  32
                         (n) Takeover Statutes; Rights Plans...........  32
                         (o) Brokers and Finders.......................  32
                         (p) Trademarks, Patents and Copyrights........  33
                         (q) Tax Matters...............................  33
                         (r) Disclosure................................  33


                                     ARTICLE VI

                                      COVENANTS

         Section 6.1.    Interim Operations............................  34
         Section 6.2.    Certain Transactions..........................  36
         Section 6.3.    Acquisition Proposals.........................  36
         Section 6.4.    Information Supplied..........................  38
         Section 6.5.    Shareholder Approvals.........................  38
         Section 6.6.    Filings; Other Actions........................  39
         Section 6.7.    Audited Financial Statements; Comfort
                           Letters.....................................  40
         Section 6.8.    Access........................................  40
         Section 6.9.    Notification of Certain Matters...............  41
         Section 6.10.   Publicity.....................................  41
         Section 6.11.   Employee Benefits; Headquarters Employees.....  41
         Section 6.12.   Expenses......................................  42
         Section 6.13.   Antitakeover Statutes.........................  45
         Section 6.14.   Securities Act Compliance.....................  45
         Section 6.15.   Transaction Agreements........................  45
         Section 6.16.   Tax Matters...................................  45
                                       
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                                                                        PAGE

                                     ARTICLE VII

                                     CONDITIONS

         Section 7.1.    Conditions to Each Party's Obligation.........  46
                         (a) Shareholder Approval......................  46
                         (b) Governmental and Regulatory Consents......  46
                         (c) Third-Party Consents......................  46
                         (d) Governmental Matters......................  47
                         (e) Tax Opinions..............................  47
                         (f) Registration Statements...................  47
                         (g) The Contribution, the Distribution and
                               the Recapitalization....................  47
                         (h) Stock Exchange Listing....................  47
         Section 7.2.    Conditions to Obligation of Grace.............  48
                         (a) Representations and Warranties............  48
                         (b) Performance of Obligations................  48
         Section 7.3.    Conditions to Obligation of Sealed Air........  48
                         (a) Representations and Warranties............  48
                         (b) Performance of Obligations................  49
                         (c) Letter of Credit..........................  49
                         (d) Solvency Opinion..........................  49


                                    ARTICLE VIII

                                     TERMINATION

         Section 8.1.    Termination by Mutual Consent.................  49
         Section 8.2.    Termination by any Party Hereto...............  49
         Section 8.3.    Termination by Grace..........................  50
         Section 8.4.    Termination by Sealed Air.....................  50
         Section 8.5.    Effect of Termination and Abandonment.........  51


                                     ARTICLE IX

                               MISCELLANEOUS AND GENERAL

         Section 9.1.    Survival......................................  51
         Section 9.2.    Modification or Amendment.....................  51
         Section 9.3.    Waiver of Conditions..........................  51
         Section 9.4.    Counterparts..................................  51
         Section 9.5.    Governing Law.................................  52
         Section 9.6.    Notices.......................................  52
         Section 9.7.    Entire Agreement; Assignment..................  52
         Section 9.8.    Definition of "Subsidiary"....................  53
         Section 9.9.    Captions......................................  53
         Section 9.10.   Specific Performance..........................  53
         Section 9.11.   Severability..................................  53


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                                                                        PAGE

         Section 9.12.   Third-Party Beneficiaries.....................  54
         Section 9.13.   Further Assurances............................  54

         Annex A      Defined Terms

         Exhibit A    Form of Distribution Agreement
         Exhibit B    Forms of Tax Matters Certificates
         Exhibit C    Form of Grace Tax Opinion
         Exhibit D    Form of Sealed Air Tax Opinion
         Exhibit E    Terms of Newco Convertible Preferred Stock
         Exhibit F    Terms of Newco Amendment

         Grace Disclosure Letter
         Packaging Business Disclosure Letter
         Sealed Air Disclosure Letter
                                       
                                       -v-
                                       
                   AGREEMENT AND PLAN OF MERGER, dated as of August 14,
         1997 (this "Agreement"), by and among W. R. GRACE & CO., a
         Delaware corporation ("Grace"), Packco Acquisition Corp., a
         Delaware corporation and a wholly-owned subsidiary of Grace
         ("Merger Sub"), and Sealed Air Corporation, a Delaware corpora-
         tion ("Sealed Air").


                                     RECITALS


                   A.  Defined Terms.  Certain capitalized terms used
         herein shall have the meanings set forth in Annex A hereto.

                   B.  The Contribution.  Prior to the Effective Time,
         and pursuant to the Distribution Agreement, a form of which is
         attached hereto as Exhibit A (the "Distribution Agreement"),
         Grace intends to contribute (the "Contribution") its worldwide
         packaging business (other than the container business group) to
         an indirect, newly-formed Delaware subsidiary of Grace
         ("Packco").  

                   C.  The Distribution.  Prior to the Effective Time,
         Grace, New Grace (as defined in the Distribution Agreement) and
         W. R. Grace & Co.-Conn. ("Grace-Conn.") intend to consummate
         the transactions contemplated by the Distribution Agreement,
         including the distribution by Grace to the holders of Grace
         Common Shares all of the common stock of New Grace (the "Dis-
         tribution").  

                   D.  The Recapitalization.  Immediately prior to the
         Effective Time, but following the Distribution, Grace shall be
         recapitalized (as defined in the Distribution Agreement, the
         "Recapitalization") so that the holders of Grace Common Shares
         shall thereafter hold Newco Common Shares and Newco Convertible
         Preferred Shares, all as provided in the Distribution Agree-
         ment.

                   E.  The Merger.  At the Effective Time, the parties
         intend to effect a merger of Merger Sub with and into Sealed
         Air, with Sealed Air being the surviving corporation (the
         "Merger"), the Certificate of Incorporation of Sealed Air shall
         be amended to change the name of Sealed Air to a different name
         as determined by Sealed Air, and the Certificate of Incorpora-
         tion of Grace shall be amended (the "Newco Amendment") to
         change the name of Grace to "Sealed Air Corporation" (such cor-
         poration, from and after the Effective Time, is sometimes here-
         inafter referred to as "Newco") and to effect the other amend-
         ments described in Exhibit F hereto.

                                       
                   F.  Intention of the Parties.  It is the intention of
         the parties to this Agreement that, for United States federal
         income tax purposes, the Distribution, Recapitalization and
         related transactions shall be tax-free to Grace and its share-
         holders under the Code and the Merger shall qualify as a "reor-
         ganization" within the meaning of Section 368 of the Code and
         the Merger will be tax-free under the Code to Grace, Sealed Air
         and their respective shareholders.

                   G.  Approvals.  The Board of Directors of each party
         hereto has determined that this Agreement is in the best inter-
         ests of such party and its shareholders and has duly approved
         this Agreement and authorized its execution and delivery.

                   NOW, THEREFORE, in consideration of the premises, and
         of the representations, warranties, covenants and agreements
         set forth herein, the parties hereto hereby agree as follows:


                                    ARTICLE I

                   THE REORGANIZATION; CLOSING; EFFECTIVE TIME

                   SECTION 1.1.  The Contribution, the Distribution, and
         the Recapitalization.  Subject to the terms and conditions of
         the Distribution Agreement, prior to the Effective Time, the
         parties thereto shall effect the various transactions contem-
         plated thereby, including the Contribution, the Distribution
         and the Recapitalization.

                   SECTION 1.2.  The Merger.  At the Effective Time,
         Sealed Air and Merger Sub shall consummate the Merger in which
         Merger Sub shall be merged with and into Sealed Air and the
         separate corporate existence of Merger Sub shall thereupon
         cease.  Sealed Air shall be the surviving corporation of the
         Merger (the "Surviving Corporation") and shall continue to be
         governed by the laws of the State of Delaware.

                   SECTION 1.3.  Effective Time.  Provided that this
         Agreement shall not have been terminated in accordance with its
         terms, as promptly as practicable after all of the conditions
         to the Merger shall have been satisfied or waived (or on such
         later date as the parties hereto may agree in writing), the
         parties hereto shall cause the Merger to be consummated by fil-
         ing a certificate of merger (the "Merger Certificate") with the
         Secretary of State of the State of Delaware in such form as
         required by, and executed in accordance with, Section 251 of
         the Delaware General Corporation Law (the "DGCL").  The Merger
         shall become effective upon the date and at the time (the "Ef-
         fective Time") on which the Merger Certificate has been duly


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         filed with the Secretary of State of the State of Delaware, or
         at such later date and time as set forth therein.

                   SECTION 1.4.  Closing.  The closing of the Reorgani-
         zation (the "Closing") shall take place at the offices of Wach-
         tell, Lipton, Rosen & Katz, New York, New York, at 10:00 A.M.
         on the first business day on which all the conditions set forth
         in Article VII can be fulfilled or are waived, or at such other
         place and/or time as the parties hereto may agree.  The date
         upon which the Closing shall occur is herein called the "Clos-
         ing Date."


                                    ARTICLE II

                     CERTIFICATE OF INCORPORATION AND BY-LAWS

                   SECTION 2.1.  Certificates of Incorporation.  The
         certificate of incorporation of Merger Sub, as in effect at the
         Effective Time, shall be the certificate of incorporation of
         the Surviving Corporation (the "S.C. Certificate of Incorpora-
         tion"), until duly amended in accordance with the terms thereof
         and the DGCL.  At the Effective Time, the Certificate of Incor-
         poration of Grace (the "Grace Certificate of Incorporation")
         shall be amended as set forth in the Newco Amendment.

                   SECTION 2.2.  Surviving Corporation By-laws.  The By-
         laws of Merger Sub, as in effect at the Effective Time, shall
         be the By-laws of the Surviving Corporation until duly amended
         in accordance with the terms thereof, the S.C. Certificate of
         Incorporation and the DGCL.


                                   ARTICLE III

                              DIRECTORS AND OFFICERS

                   SECTION 3.1.  Newco Directors.  Immediately after the
         Effective Time, the directors of Newco shall be the seven di-
         rectors of Sealed Air immediately prior to the Effective Time
         and four independent directors selected by Grace from the ex-
         isting Grace Board.

                   SECTION 3.2.  Newco Officers.  Immediately after the
         Effective Time, the officers of Newco shall be the Chief Execu-
         tive Officer of Sealed Air, the Chief Operating Officer of
         Sealed Air, the current President of Grace Packaging and such
         other officers as may be named in the Joint Proxy Statement or
         duly appointed or elected by the Board of Directors of Newco.

                                       
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                   SECTION 3.3.  Surviving Corporation Directors.  Imme-
         diately after the Effective Time, the directors of the Surviv-
         ing Corporation shall be as designated by Newco.

                   SECTION 3.4.  Surviving Corporation Officers.  Imme-
         diately after the Effective Time, the officers of Sealed Air
         shall be the officers of the Surviving Corporation.


                                    ARTICLE IV

                       MERGER CONSIDERATION; CONVERSION OR
                       CANCELLATION OF SHARES IN THE MERGER

                   SECTION 4.1.  Merger Consideration; Conversion or
         Cancellation of Capital Stock of Sealed Air and Merger Sub.  At
         the Effective Time, by virtue of the Merger and without any
         action on the part of the holder of any capital stock of Sealed
         Air or Merger Sub:

                   (a)  Each Sealed Air Common Share issued and out-
              standing immediately prior to the Effective Time (other
              than any Sealed Air Common Share owned by Grace or its
              subsidiaries or any Sealed Air subsidiary or held in
              Sealed Air's treasury) shall be converted into and become
              at the Effective Time one Newco Common Share.

                   (b)  Each Newco Common Share and each Newco Convert-
              ible Preferred Share issued and outstanding immediately
              prior to the Effective Time shall remain issued and out-
              standing and shall be unchanged by the Merger.

                   (c)  All Sealed Air Common Shares shall cease to be
              outstanding, shall be cancelled and retired and shall
              cease to exist.

                   (d)  Each Sealed Air Common Share issued and out-
              standing immediately prior to the Effective Time and owned
              by Grace or its subsidiaries or any Sealed Air subsidiary
              or held in Sealed Air's treasury shall cease to be out-
              standing, shall be cancelled and retired without payment
              of any consideration therefor and shall cease to exist.

                   (e)  Each share of Merger Sub Common Stock issued and
              outstanding immediately prior to the Effective Time shall
              be converted into and become one share of common stock of
              the Surviving Corporation.

                   SECTION 4.2.  Exchange of Old Certificates for New
         Certificates.  (a)  Appointment of Exchange Agent.  From and


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         after the Effective Time until the end of the six-month period
         following the Effective Time, Newco shall make available or
         cause to be made available to an exchange agent appointed prior
         to the Effective Time with the approval of each of Grace and
         Sealed Air (the "Exchange Agent") Newco Certificates in amounts
         sufficient to allow the Exchange Agent to make all deliveries
         of Newco Certificates that are requested by holders of Old
         Sealed Air Certificates in exchange for Old Sealed Air Certifi-
         cates pursuant to this Article IV.  In its discretion, Newco
         may elect to evidence ownership of Newco Common Shares through
         a book-entry transfer agent, in which case the Exchange Agent
         shall deliver, upon compliance by a former Sealed Air share-
         holder with the provisions of Section 4.2(b), a book-entry ac-
         count statement evidencing the ownership of Newco Common Shares
         (or, at the request of a former Sealed Air shareholder, a Newco
         Certificate evidencing such ownership).  In the event Newco so
         elects, references herein to Newco Certificates shall be deemed
         to include references to the book-entry account statements re-
         lating to the ownership of Newco Common Shares.

                   (b)  Exchange Procedures.  Promptly after the Effec-
         tive Time, Newco shall cause the Exchange Agent to mail or de-
         liver to each person who was, at the Effective Time, a holder
         of record of Sealed Air Common Shares a letter of transmittal
         (the terms of which shall be mutually agreed upon by the par-
         ties hereto prior to the Effective Time) containing instruc-
         tions for use by holders of Sealed Air Common Shares who may,
         in their discretion, desire to surrender their Old Sealed Air
         Certificates in exchange for Newco Certificates pursuant to
         this Article IV.  Upon surrender to the Exchange Agent of an
         Old Sealed Air Certificate for cancellation together with such
         letter of transmittal, duly executed and completed in accor-
         dance with the instructions thereto, the holder of such Old
         Sealed Air Certificate shall be entitled to receive in exchange
         therefor a Newco Certificate representing the Newco Common
         Shares and the Old Sealed Air Certificate so surrendered shall
         forthwith be cancelled.  If any Newco Certificate is to be is-
         sued in a name other than that in which the Old Sealed Air Cer-
         tificate surrendered in exchange therefor is registered, it
         shall be a condition of such exchange that the person request-
         ing such exchange shall pay any transfer or other taxes re-
         quired by reason of the issuance of such in a name other than
         that of the registered holder of the Old Sealed Air Certificate
         surrendered, or shall establish to the satisfaction of Newco
         that any such taxes have been paid or are not applicable.  Six
         months after the Effective Time, Newco shall be entitled to
         cause the Exchange Agent to deliver to it any applicable Newco
         Certificates made available to the Exchange Agent that are un-
         claimed by the former shareholders of Sealed Air.  Any such
         former shareholders who have not theretofore exchanged their


                                       -5-
                                       
         Old Sealed Air Certificates for Newco Certificates pursuant to
         this Article IV who desires to do so shall thereafter be en-
         titled to look exclusively to Newco and only as general credi-
         tors thereof to obtain Newco Certificates to which they become
         entitled upon exchange of their Old Sealed Air Certificates
         pursuant to this Article IV.  Newco shall pay all applicable
         charges and expenses in connection with the exchange of Newco
         Certificates for Old Sealed Air Certificates as contemplated
         hereby.

                   (c)  No Transfers.  At or after the Effective Time,
         there shall be no transfers on the stock transfer books of the
         Surviving Corporation of Sealed Air Common Shares which were
         outstanding immediately prior to the Effective Time.

                   (d)  No Liability.  If any Old Sealed Air Certificate
         shall have been lost, stolen or destroyed, upon the making of
         an affidavit of that fact by the person claiming such Certifi-
         cate to be lost, stolen or destroyed and, if required by Newco,
         the posting by such person of a bond in such reasonable amount
         as Newco may direct as indemnity against any claim that may be
         made against it with respect to such Old Sealed Air Certifi-
         cate, Newco shall, in exchange for such lost, stolen or de-
         stroyed Old Sealed Air Certificates, issue or cause to be is-
         sued the Newco Certificate deliverable in respect thereof pur-
         suant to this Article IV.  No party hereto, nor the Exchange
         Agent, shall be liable to any holder of former Sealed Air Com-
         mon Shares for any cash delivered to a public official pursuant
         to any applicable abandoned property, escheat or similar law.

                   (e)  Withholding Rights.  Newco shall be entitled to
         deduct and withhold from the consideration otherwise payable
         pursuant to this Agreement to any holder of former Sealed Air
         Common Shares such amounts as may be required to be deducted
         and withheld with respect to the making of such payment under
         the Code, or under any provision of state, local or foreign tax
         law.  To the extent that amounts are so withheld and paid over
         to the appropriate taxing authority, such withheld amounts
         shall be treated for all purposes of this Agreement as having
         been paid to the holder of the former Sealed Air Common Shares
         in respect of which such deduction and withholding was made.

                   (f)  Sealed Air Contingent Stock and Restricted Stock
         Plans.  The Sealed Air Stock Plans shall be amended in accor-
         dance with their terms and applicable law, with the effect that
         as of the Effective Time, among other things, (i) all of the
         rights and obligations of Sealed Air under the Sealed Air Stock
         Plans, including with respect to awards outstanding at the Ef-
         fective Time, shall be rights and obligations of Newco follow-
         ing the Effective Time and (ii) each unexercised right granted


                                       -6-
                                       
         under the Sealed Air Stock Plans to purchase a Sealed Air Com-
         mon Share shall constitute a right to purchase a Newco Common
         Share in accordance with the terms and conditions of the ap-
         plicable Sealed Air Stock Plans, as amended from time to time.


                                    ARTICLE V

                          REPRESENTATIONS AND WARRANTIES

                   SECTION 5.1.  Representations and Warranties of
         Grace.  Grace hereby represents and warrants to Sealed Air
         that, except as set forth in a letter delivered to Sealed Air
         simultaneously with the execution and delivery of this Agree-
         ment (the "Grace Disclosure Letter"):

                   (a)  Capital Stock.  (i)  Grace.  The authorized cap-
              ital stock of Grace consists of 300,010,165 Grace Common
              Shares, par value $.01 per share, of which 73,409,932 were
              outstanding as of August 1, 1997, and 53,000,000 Grace
              Preferred Shares, par value $.01 per share, of which, as
              of August 1, 1997, none was outstanding.  As of August 1,
              1997, 6,224,234 Grace Common Shares were held in the trea-
              sury of Grace.  As of the Effective Time, there will be no
              Grace Common Shares held in the treasury of Grace.  As of
              August 1, 1997, there were outstanding under the Grace
              1996 Stock Incentive Plan, the Grace 1994 Stock Incentive
              Plan, the Grace 1989 Stock Incentive Plan, the Grace 1986
              Stock Incentive Plan, the Grace 1981 Stock Incentive Plan,
              and the Grace 1997 Stock Retainer Plan for Nonemployee
              Directors and any other plan for employees or directors of
              Grace (collectively, the "Grace Stock Plans") options to
              acquire an aggregate of 5,655,954 Grace Common Shares
              (subject to adjustment on the terms set forth in the Grace
              Stock Plans) at an average exercise price of $34.65 per
              share (the "Grace Options").  Such Grace Options include
              options to acquire an aggregate of 669,887 Grace Common
              Shares at an average exercise price of $40.81 per share
              held by Packco Employees (based on information regarding
              the identity of such employees as of the date hereof and
              as defined in the Benefits Agreement).  As of August 1,
              1997, there were no shares of capital stock of Grace re-
              served for issuance, other than 3,000,000 Grace Preferred
              Shares reserved for issuance in connection with the Grace
              Rights and 12,189,285 Grace Common Shares reserved for
              issuance under the Grace Stock Plans.  All outstanding
              Grace Common Shares have been duly authorized and validly
              issued and are fully paid and nonassessable, and all Grace
              Common Shares issuable under the Grace Stock Plans have
              been duly authorized and will, upon issuance in accordance
                                       
                                       -7-
                                       
              with the Grace Stock Plans and any agreements thereunder,
              be validly issued, fully paid and nonassessable.  Except
              for the Grace Common Shares, Grace has outstanding no
              bonds, debentures, notes or other obligations or securi-
              ties the holders of which have the right to vote (or are
              convertible or exchangeable into or exercisable for secu-
              rities having the right to vote) with the shareholders of
              Grace on any matter.  Except as set forth above, except
              for Grace Common Shares issued after August 1, 1997 pur-
              suant to the terms of options, securities or plans re-
              ferred to above and except in connection with the Transac-
              tion Agreements, there are no shares of capital stock of
              Grace authorized, issued or outstanding and there are no
              preemptive rights or any outstanding subscriptions, op-
              tions, puts, calls, warrants, rights, convertible or ex-
              changeable securities or other agreements or commitments
              of Grace or any of its subsidiaries of any character re-
              lating to the issued or unissued capital stock or other
              securities of Grace or any of its subsidiaries (including,
              without limitation, the issuance, sale, purchase, redemp-
              tion, conversion, exchange, redemption, voting or transfer
              thereof).  The Newco Common Shares to be issued in the
              Recapitalization and the Merger or upon exercise of the
              Grace Options after the Recapitalization and the Newco
              Preferred Shares to be issued in the Recapitalization
              will, upon such issuance, be duly authorized, fully paid,
              validly issued and nonassessable.  

                  (ii)  Merger Sub.  The authorized capital stock of
              Merger Sub consists of 1,000 shares of common stock, par
              value $.01 per share, of Merger Sub (the "Merger Sub Com-
              mon Stock").  As of the date of this Agreement, 1,000
              shares of Merger Sub Common Stock are issued and outstand-
              ing, all of which are duly authorized, validly issued,
              fully paid and nonassessable.  Each issued and outstanding
              share of Merger Sub Common Stock is owned by Grace, free
              and clear of all liens, pledges, security interests,
              claims, proxies, preemptive or subscriptive rights and or
              other encumbrances or restrictions of any kind.  No shares
              of Merger Sub Common Stock are held in the treasury of
              Merger Sub. There are no options, warrants or other
              rights, agreements, arrangements or commitments of any
              character relating to the issued or unissued capital stock
              of Merger Sub or obligating Grace or any of its subsidiar-
              ies to issue or sell any shares of capital stock, or other
              equity interest in, Merger Sub.  As of the Effective Time,
              all of the outstanding shares of capital stock of the Sur-
              viving Corporation will be duly authorized, validly is-
              sued, fully paid and nonassessable, and will be owned by

                                       
                                       -8-
                                       
              Grace, free and clear of all liens, pledges, security in-
              terests, claims, proxies, preemptive or subscriptive
              rights and or other encumbrances or restrictions of any
              kind.  Merger Sub was formed for the purpose of effecting
              the Merger and has no other business activity.

                   (b)  Corporate Organization and Qualification.  Each
              of Grace and Merger Sub is a corporation duly organized,
              validly existing and in good standing under the laws of
              Delaware and is in good standing (if recognized in such
              jurisdiction, or, if not, duly qualified) as a foreign
              corporation in each jurisdiction where the properties
              owned, leased or operated, or the business conducted, by
              it or its subsidiaries require such qualification, except
              for any such failure so to qualify or be in good standing
              which, when taken together with all other such failures,
              is not reasonably likely to have a Material Adverse Effect
              with respect to Grace.  Each of Grace and Merger Sub has
              the requisite corporate power and authority and all mate-
              rial governmental licenses and approvals to carry on its
              businesses as they are now being conducted.  Grace has
              made available to Sealed Air a complete and correct copy
              of the Certificate of Incorporation and By-laws of Grace
              and Merger Sub, each as amended to date and currently in
              full force and effect.

                   (c)  Corporate Authority.  Subject only to the re-
              ceipt of the requisite approval of its shareholders neces-
              sary to consummate the Reorganization, each of Grace,
              Merger Sub and each other subsidiary of Grace that is or
              will be a party to a Transaction Agreement has the requi-
              site corporate power and authority and has taken all cor-
              porate action necessary in order to execute, deliver and
              perform each Transaction Agreement to which it is a party
              and to consummate the transactions contemplated hereby and
              thereby, including, without limitation, the approval of
              the Grace Board and the resolution of the Grace Board to
              recommend, subject to their fiduciary duties, the trans-
              actions contemplated hereby and thereby for approval by
              Grace shareholders.  Each Transaction Agreement to which
              Grace, Merger Sub or any of Grace's subsidiaries is a
              party is, or when executed and delivered shall be, a valid
              and binding agreement of such person enforceable in ac-
              cordance with its terms.  The affirmative votes of the
              holders of a majority of the outstanding Grace Common
              Shares in favor of the Merger and related transactions
              (including the amendments to the Grace Certificate of In-
              corporation) and the Distribution are the only votes of
              the holders of Grace's capital stock necessary in connec-
              tion with the consummation of the Reorganization.


                                       -9-
                                       
                   (d)  Governmental Filings; No Violations.  (i)  Other
              than as may be required under the HSR Act and similar
              statutes in other countries, the Exchange Act, the Securi-
              ties Act, state securities laws, no notices, reports or
              other filings are required to be made by Grace or any
              Grace subsidiary with, nor are any consents, registra-
              tions, approvals, permits or authorizations required to be
              obtained by it or any such subsidiary from, any govern-
              mental or regulatory authority, agency, court, commission
              or other entity, domestic or foreign ("Governmental Enti-
              ty"), in connection with the execution, delivery or per-
              formance of each Transaction Agreement to which it or any
              such subsidiary is a party and the consummation by it or
              any such subsidiary of the transactions contemplated
              hereby and thereby, except for such matters as would not,
              individually or in the aggregate, have a Material Adverse
              Effect with respect to the New Grace Group or the Packco
              Group or prevent or materially delay or enable any person
              to enjoin consummation of the transactions contemplated
              hereby and thereby.

                   (ii)  The execution, delivery and performance by
              Grace or any Grace subsidiary of each Transaction Agree-
              ment to which it is a party does not or will not, and the
              consummation by it of any of the transactions contemplated
              hereby and thereby will not, constitute or result in (with
              or without the giving of notice, the lapse of time or
              both) (A) a breach or violation of, or a default under,
              its certificate of incorporation or by-laws or comparable
              governing instruments, or (B) a breach or violation of, or
              a default under, or an acceleration or termination of or
              change in the rights or obligations of any party under, or
              the creation of a lien, pledge, security interest or other
              encumbrance on any assets pursuant to, any provision of
              any agreement, lease, contract, note, mortgage, indenture,
              arrangement or other obligation or commitment ("Con-
              tracts") of it or any of its subsidiaries or any law,
              rule, ordinance or regulation or judgment, decree, order,
              award or governmental or non-governmental permit or li-
              cense to which it or any of its subsidiaries is subject,
              except, in the case of clause (B) above, for such breach-
              es, violations, defaults, accelerations or changes that
              are disclosed in the Grace Disclosure Letter or, individu-
              ally or in the aggregate, are not reasonably likely to
              have a Material Adverse Effect with respect to the New
              Grace Group or the Packco Group or prevent or materially
              delay or enable any person to enjoin consummation of the
              Reorganization.
                                       
                                       -10-
                                       
                   (e)  SEC Documents; Financial Statements; No Undis-
              closed Liabilities.  (i)  Grace has filed all forms, re-
              ports and documents required to be filed by it under the
              Exchange Act or the Securities Act since December 31,
              1994.  As of its filing date, each SEC Document filed, and
              each SEC Document that will be filed by it or its subsid-
              iaries prior to the Effective Time, as amended or supple-
              mented, if applicable, pursuant to the Exchange Act or the
              Securities Act (A) complied or will comply in all material
              respects with the applicable requirements of the Exchange
              Act or the Securities Act and (B) did not or will not con-
              tain any untrue statement of a material fact or omit to
              state any material fact necessary in order to make the
              statements made therein, in the light of the circumstances
              under which they were made, not misleading.  Each of
              Grace's consolidated balance sheets included in or incor-
              porated by reference into its SEC Documents (including the
              related notes and schedules) fairly presents in all mate-
              rial respects the consolidated financial position of it
              and its subsidiaries as of the dates set forth therein and
              each of the consolidated statements of operations, cash
              flows and shareholders' equity included in or incorporated
              by reference into its SEC Documents (including any related
              notes and schedules) fairly presents in all material re-
              spects the consolidated results of operations, cash flows
              and retained earnings, as the case may be, of it and its
              subsidiaries for the periods set forth therein (subject,
              in the case of unaudited statements, to normal year-end
              audit adjustments), in each case in accordance with US
              GAAP (applied on a consistent basis).

                  (ii)  Except as disclosed in its SEC Documents filed
              with the SEC prior to the date hereof, neither Grace nor
              any of its subsidiaries has any liabilities of any kind
              whatsoever, whether or not accrued, contingent or other-
              wise, that, individually or in the aggregate, are reason-
              ably likely to have a Material Adverse Effect with respect
              to the Packco Group or the New Grace Group.

                   (f)  Absence of Certain Events and Changes.  Except
              (i) as disclosed in its SEC Documents filed with the SEC
              prior to the date hereof, and (ii) as contemplated by the
              Transaction Agreements, since December 31, 1996, Grace and
              its subsidiaries have conducted their respective busi-
              nesses only in the ordinary and usual course of such busi-
              nesses, and there has not been any change or development
              or combination of changes or developments (including any
              worsening of any condition currently existing) which, in-
              dividually or in the aggregate, is reasonably likely to
                                       
                                       -11-
                                       
              result in a Material Adverse Effect with respect to the
              New Grace Group.

                   (g)  Takeover Statutes; Rights Plan.  The execution,
              delivery and performance of this Agreement and consumma-
              tion of the transactions contemplated hereby will not
              cause to  be applicable to Grace, Section 203 of the DGCL
              or any similar provision (a "Takeover Statute") (after
              giving effect to any actions that will be taken prior to
              the Effective Time).  The Grace Board has taken, or prior
              to the Effective Time will take, all requisite action in
              order to amend the Grace Rights Agreement so as to render
              the Grace Rights inapplicable to the Merger, the Recapi-
              talization, and the Distribution and to terminate or re-
              deem the Grace Rights at or prior to the Effective Time. 

                   (h)  Brokers and Finders.  Neither Grace nor any of
              its subsidiaries or any of their respective officers, di-
              rectors or employees has employed any broker or finder or
              incurred any liability for any brokerage fees, commissions
              or finders' fees in connection with the transactions con-
              templated herein, except pursuant to arrangements dis-
              closed in writing to the other parties hereto prior to the
              date hereof. 

                   (i)  Contribution.  The Packco Assets represent the
              worldwide Packaging Business of Grace and its subsidiaries
              and all of their assets used or held for use in the con-
              duct of Grace's worldwide Packaging Business as presently
              conducted or as conducted at the Effective Time, as the
              case may be.

                   (j)  Tax Matters.  Except as reflected in its SEC
              Documents filed with the SEC prior to the date hereof and
              except for such matters that, individually or in the ag-
              gregate, are not reasonably likely to have a Material Ad-
              verse Effect with respect to the Packco Group or the New
              Grace Group:  (i) all federal, state, local and foreign
              tax returns required to be filed by or on behalf of Grace
              or any of its subsidiaries have been timely filed, or re-
              quests for extensions have been timely filed and have been
              granted and have not expired, and all such filed returns
              are complete and accurate in all respects; (ii) all taxes
              shown as due and payable on returns filed by Grace or any
              of its subsidiaries have been paid in full; (iii) there is
              no outstanding audit examination, deficiency or refund
              litigation with respect to any taxes of Grace; (iv) all
              taxes, interest, additions, and penalties due with respect
              to completed and settled examinations or concluded litiga-
              tion relating to Grace have been paid in full or have been


                                       -12-
                                       
              recorded as a liability on its balance sheet (in accor-
              dance with US GAAP); (v) neither Grace nor any of its sub-
              sidiaries is a party to any tax sharing or similar agree-
              ment pursuant to which it or any of its subsidiaries has
              indemnified another party with respect to taxes; and (vi)
              neither Grace nor any of its subsidiaries has waived any
              applicable statute of limitations with respect to any
              taxes.  At the Effective Time, the representations set
              forth in the Tax Matters Certificates of Grace-Conn.,
              substantially in the form of Exhibit B (the "Grace Tax
              Matters Certificate"), will be true and correct in all re-
              spects, and such representations are hereby incorporated
              herein by reference with the same effect as if set forth
              herein in their entirety.

                   (k)  Disclosure.  The representations and warranties
              of Grace contained in this Agreement or in any written
              instrument, exhibit or certificate furnished or to be fur-
              nished by Grace to Sealed Air pursuant hereto or in con-
              nection herewith, do not contain any untrue statement of a
              material fact or omit to state a material fact necessary
              in order to make the statements contained therein not mis-
              leading.

                   SECTION 5.2.  Representations and Warranties for the
         Packaging Business.  Grace hereby represents and warrants to
         Sealed Air that, except as set forth in a letter delivered to
         Sealed Air simultaneously with the execution and delivery of
         this Agreement (the "Packaging Business Disclosure Letter"):

                   (a)  Corporate Organization and Qualification.  At
              the Effective Time, Packco and each Packco Subsidiary will
              be duly organized, validly existing and in good standing
              under the laws of its jurisdiction of organization and
              will be in good standing (if recognized in such juris-
              diction, or, if not, duly qualified) as a foreign corpora-
              tion in each jurisdiction where the properties owned,
              leased or operated, or the business conducted, by Packco
              or such Packco Subsidiary require such qualification, ex-
              cept for any such failure so to qualify or be in good
              standing which, when taken together with all other such
              failures, is not reasonably likely to have a Material Ad-
              verse Effect with respect to the Packco Group or the Pack-
              aging Business.  At the Effective Time, Packco and each
              Packco Subsidiary will have the requisite corporate power
              and authority and all material governmental licenses and
              approvals to carry on its business as now being conducted.  

                   (b)  Corporate Authority.  At the Effective Time,
              Packco and each Packco Subsidiary will have the requisite


                                       -13-
                                       
              corporate power and authority and will have taken all cor-
              porate action necessary in order to consummate the trans-
              actions contemplated hereby and by the other Transaction
              Agreements.  

                   (c)  Capitalization.  All issued and outstanding
              shares of capital stock of Packco and each Packco Subsid-
              iary (except for an immaterial number of shares held by
              officers and directors of Grace and its subsidiaries as
              required by applicable law) will, as of the Effective
              Time, be owned of record and beneficially by Grace, Packco
              or another Packco Subsidiary, free and clear of all liens,
              pledges, security interests, claims, proxies, preemptive
              or subscriptive rights or other encumbrances or restric-
              tions of any kind.  There are no options, warrants or
              other rights, agreements, arrangements or commitments of
              any character relating to the issued or unissued capital
              stock of Packco or any Packco Subsidiary or obligating
              Packco or any Packco Subsidiary to issue or sell any
              shares of capital stock of, or other equity interests in,
              Packco or any Packco Subsidiary.  There are no outstanding
              contractual obligations of Packco or any Packco Subsidiary
              to repurchase, redeem or otherwise acquire any capital
              stock of Packco or any Packco Subsidiary or to provide
              funds to make any investment (in the form of a loan, capi-
              tal contribution or otherwise) in Packco or any Packco
              Subsidiary or any other entity.  As of the Effective Time,
              each of the outstanding shares of capital stock of Packco,
              and each Packco Subsidiary will be duly authorized, val-
              idly issued, fully paid and nonassessable.

                   (d)  Financial Statements; No Undisclosed Liabili-
              ties.  (i)  Included in the Packaging Business Disclosure
              Letter are unaudited special purpose consolidated and com-
              bined balance sheets as of December 31, 1995 and 1996 and
              June 30, 1997, and special purpose consolidated and com-
              bined statements of earnings before interest and taxes for
              the three years ended December 31, 1996 and the six months
              ended June 30, 1997 for the Packaging Business (such fi-
              nancial statements, the "Packaging Business Disclosure
              Letter Financial Statements," and the balance sheet as of
              December 31, 1996 included therein, the "Packaging Busi-
              ness Disclosure Letter Balance Sheet").  The balance
              sheets included in the Packaging Business Disclosure
              Letter Financial Statements (including and subject to the
              Basis of Presentation) fairly present in all material
              respects, and the special purpose consolidated and com-
              bined balance sheet to be included in the Packaging Busi-
              ness Financial Statements (including any related notes and
              schedules) shall fairly present in all material respects,


                                       -14-
                                       
              the consolidated financial position of the Packaging Busi-
              ness, in each case as of the dates set forth therein; and
              each of the special purpose consolidated and combined
              statements of earnings before interest and taxes included
              in the Packaging Business Disclosure Letter Financial
              Statements (including and subject to the Basis of
              Presentation) fairly presents in all material respects,
              and each consolidated statement of operations, cash flows
              and shareholders' equity to be included in the Packaging
              Business Financial Statements (including any related notes
              and schedules) shall fairly present in all material re-
              spects, the consolidated results of operations, cash flows
              and retained earnings, as the case may be, of the Pack-
              aging Business for the periods set forth therein, in each
              case in accordance with US GAAP applied on a consistent
              basis (subject, in the case of interim financial state-
              ments, to normal year-end adjustments).

                  (ii)  Except as disclosed on the Packaging Business
              Disclosure Letter Balance Sheet or in the Basis of Presen-
              tation thereto, the Packco Group does not have any li-
              abilities of any kind whatsoever, whether or not accrued,
              contingent or otherwise, that, individually or in the ag-
              gregate, are reasonably likely to have a Material Adverse
              Effect with respect to the Packco Group or the Packaging
              Business (other than liabilities to be incurred in connec-
              tion with the Grace Credit Agreement).

                   (e)  Absence of Certain Events and Changes.  Except
              (i) as disclosed in the Packaging Business Disclosure Let-
              ter, and (ii) as contemplated by the Transaction Agree-
              ments, since December 31, 1996, the Packaging Business has
              been conducted only in the ordinary and usual course of
              business and there has not been any change or development
              or combination of changes or developments (including any
              worsening of any condition currently existing) which, in-
              dividually or in the aggregate, is reasonably likely to
              result in a Material Adverse Effect with respect to the
              Packco Group or the Packaging Business.

                   (f)  Compliance with Laws.  Grace and its subsidiar-
              ies (with respect to the Packaging Business) have complied
              with all applicable federal, state, local and foreign
              statutes, laws, regulations, ordinances, rules, judgments,
              orders or decrees applicable thereto, except where the
              failure to comply is not reasonably likely, individually
              and in the aggregate, to have a Material Adverse Effect
              with respect to the Packco Group or the Packaging Busi-
              ness.  Grace and its subsidiaries (with respect to the
                                       
                                       -15-
                                       
              Packaging Business) have, and immediately after the Con-
              tribution will have, all permits, licenses, certificates
              of authority, orders, and approvals of, and has and will
              have made all filings, applications, and registrations
              with, federal, state, local, and foreign Governmental En-
              tities that are required in order to permit the Packco
              Group to carry on the Packaging Business as it is pres-
              ently conducted by Grace and its subsidiaries, except for
              such permits, licenses, certificates, orders, filings, ap-
              plications and registrations, the failure to have or make
              which, individually or in the aggregate, are not reason-
              ably likely to have a Material Adverse Effect with respect
              to the Packco Group or the Packaging Business.

                   (g)  Title to Assets.  Effective as of the Distribu-
              tion Date and subject to the provisions of Article II of
              the Distribution Agreement or as disclosed in the Packag-
              ing Business Disclosure Letter, one or more members of the
              Packco Group will:

                        (i)  have good and valid title to the Packco
                   Assets (as defined in the Distribution Agreement)
                   (including, without limitation, all assets reflected
                   on the Packaging Business Disclosure Letter Balance
                   Sheet or Packco Assets acquired after December 31,
                   1996, except for such assets as were sold since De-
                   cember 31, 1996 in the ordinary course of business
                   and not in violation of this Agreement), free and
                   clear of any Liens; and

                        (ii) own or have adequate rights to use all as-
                   sets used or held for use in the Packaging Business
                   as conducted by Grace and its subsidiaries as of the
                   Distribution Date, and such rights are sufficient to
                   permit the Packco Group to continue to operate the
                   Packaging Business as conducted by Grace and its sub-
                   sidiaries as of the Distribution Date;

              in each case except for such matters as would not, indi-
              vidually or in the aggregate, have a Material Adverse Ef-
              fect on the Packaging Business or the Packco Group.  As
              used herein, "Lien" shall mean, with respect to any asset,
              any mortgage, lien, pledge, charge, security interest,
              encumbrance or other adverse claim of any kind in respect
              of such asset.

                   (h)  Litigation.  There are no civil, criminal or
              administrative actions, suits, claims, hearings or pro-
              ceedings pending or, to the knowledge of its executive
              officers, threatened, or investigations pending, against


                                       -16-
                                       
              Grace or its subsidiaries with respect to the Packaging
              Business, Packco or any Packco Subsidiary that, individu-
              ally or in the aggregate, are reasonably likely to have a
              Material Adverse Effect with respect to the Packco Group
              or the Packaging Business.  There are no judgments or out-
              standing orders, writs, injunctions, decrees, stipulations
              or awards (whether rendered or issued by a court or Gov-
              ernmental Entity, or by arbitration) against Grace or its
              subsidiaries with respect to the Packaging Business, Pack-
              co or any Packco Subsidiary, or any of their respective
              properties or businesses, which are reasonably likely,
              individually or in the aggregate, to have a Material
              Adverse Effect with respect to the Packco Group or the
              Packaging Business.

                   (i)  Taxes.  Except as reflected in Grace's SEC Docu-
              ments filed with the SEC prior to the date hereof and ex-
              cept for such matters that, individually or in the aggre-
              gate, are not reasonably likely to have a Material Adverse
              Effect with respect to the Packco Group or the Packaging
              Business: (i) all federal, state, local and foreign tax
              returns required to be filed with respect to the Packaging
              Business, Packco or any Packco Subsidiary have been timely
              filed or requests for extensions have been timely filed
              and any such extension shall have been granted and not
              expired, and all such filed returns are complete and accu-
              rate in all material respects; (ii) all taxes shown as due
              and payable on returns filed with respect to the Packaging
              Business, Packco or any Packco Subsidiary have been paid
              in full; (iii) there is no outstanding audit examination,
              deficiency or refund litigation with respect to any taxes
              with respect to the Packaging Business, Packco or any
              Packco Subsidiary; (iv) all taxes, interest, additions,
              and penalties due with respect to completed and settled
              examinations or concluded litigation with respect to the
              Packaging Business, Packco or any Packco Subsidiary have
              been paid in full or have been recorded as a liability on
              the Packaging Business Disclosure Letter Balance Sheet (in
              accordance with the Basis of Presentation set forth there-
              in); (v) neither Grace, Packco nor any Packco Subsidiary
              is a party to any tax sharing or similar agreement pursu-
              ant to which the Packaging Business has indemnified an-
              other party with respect to taxes; and (vi) neither Grace
              (with respect to the Packaging Business), Packco nor any
              of the Packco Subsidiaries has waived any applicable stat-
              ute of limitations with respect to any taxes.

                   (j)  Environmental Matters.  Except as disclosed in
              the Grace SEC Documents filed prior to the date hereof and
                                       
                                       -17-
                                       
              except for such matters that, individually and in the ag-
              gregate, are not reasonably likely to have a Material Ad-
              verse Effect with respect to the Packco Group or the Pack-
              aging Business, (i) Grace and its subsidiaries, with re-
              spect to the Packaging Business, Packco and the Packco
              Subsidiaries are and have been in compliance with all ap-
              plicable Environmental Laws; (ii) Grace and its subsidiar-
              ies, with respect to the Packaging Business, Packco and
              the Packco Subsidiaries hold and have held all permits
              under any Environmental Law required for the operation of
              the Packaging Business as presently conducted and are in
              compliance with the terms of such permits; and (iii) nei-
              ther Grace nor any of its subsidiaries, with respect to
              the Packaging Business, Packco, nor any of the Packco Sub-
              sidiaries has received any outstanding written notices,
              demand letters, claims or requests for information, nor
              has any complaint been filed, penalty assessed, nor is any
              investigation, action, claim, suit, proceeding or review
              pending (with respect to which Grace has been provided
              notice), or, to the knowledge of the executive officers of
              Grace, threatened by any Governmental Entity or any third
              party that assert that Grace or any of its subsidiaries,
              with respect to the Packaging Business, Packco, or any of
              the Packco Subsidiaries may be in violation of, or liable
              under, any Environmental Law (including as an indemnitor
              in connection with any threatened or asserted claim by any
              third party indemnitee, which indemnity claim may be a
              Packco Liability (as defined in the Distribution Agree-
              ment)), and none of Grace or any of its subsidiaries, with
              respect to the Packaging Business, Packco, the Packco Sub-
              sidiaries or its properties is subject to any citation,
              court order, administrative order or decree arising under
              any Environmental Law.  None of the real property owned or
              leased by Grace (with respect to the Packaging Business)
              or any of its subsidiaries (with respect to any Packco
              Asset), Packco or any Packco Subsidiary is listed on, or,
              to the knowledge of the executive officers of Grace, pro-
              posed for listing on the "National Priorities List" under
              CERCLA, or any similar state, local or foreign list of
              sites requiring investigation or cleanup.

                   (k)  Contracts and Commitments.  Except as set forth
              in the Packaging Business Disclosure Letter, and except
              for matters that would not, individually or in the aggre-
              gate, have a Material Adverse Effect with respect to the
              Packaging Business or the Packco Group, (i) Grace, Packco
              and the Packco Subsidiaries will not, as of the Effective
              Time, be parties to or bound by any Contract that materi-
              ally limits the ability of Grace after the Merger, Packco,

                                       
                                       -18-
                                       
              the Surviving Corporation or any of their respective sub-
              sidiaries to compete in any line of business or with any
              person or in any geographic area, in each case with re-
              spect to the Packaging Business or the business of Sealed
              Air as presently conducted; (ii) neither Grace nor any of
              its subsidiaries is (with or without the lapse of time or
              the giving of notice, or both) in breach or default in any
              material respect under any Contract that is material to
              the operation of the Packaging Business; (iii) to the
              knowledge of the executive officers of Grace, none of the
              other parties to any Contract that is material to the op-
              eration of the Packaging Business is (with or without the
              lapse of time or the giving of notice, or both) in breach
              or default in any material respect thereunder and (iv)
              neither Grace nor any of its subsidiaries has received any
              written notice of the intention of any party to terminate
              any Contract whether as a termination for convenience or
              for default of Grace or any of its subsidiaries thereun-
              der.

                   (l)  Employee Benefit Plans.  (i)  The Packaging
              Business Disclosure Letter includes a complete list of all
              material employee benefit plans, programs, policies, prac-
              tices and other arrangements (regardless of whether they
              are funded or unfunded or foreign or domestic, but exclud-
              ing any such plans, programs, policies, practices and ar-
              rangements mandated or sponsored by a Governmental Entity
              with respect to foreign Packco Employees) providing bene-
              fits to any current or former Packco Employee or benefi-
              ciary or dependent thereof, sponsored or maintained by
              Grace or any of its subsidiaries, with respect to the
              Packaging Business, Packco or any of the Packco Subsidiar-
              ies, or to which Grace or any of its subsidiaries, with
              respect to the Packaging Business, Packco or any of the
              Packco Subsidiaries contributes or is obligated to con-
              tribute (the "Packaging Business Plans").  Without
              limiting the generality of the foregoing, the term
              "Packaging Business Plans" includes all employee welfare
              benefit plans within the meaning of Section 3(1) of ERISA
              and all employee pension benefit plans within the meaning
              of Section 3(2) of ERISA; provided, that such list may not
              be complete as of the date hereof as to Packaging Business
              Plans providing benefits to foreign Packco Employees, but
              such list shall be updated so as to be complete as to such
              Packaging Business Plans promptly following the date here-
              of.  The Packaging Business Disclosure Letter also spe-
              cifically identifies those Packaging Business Plans that
              are sponsored, maintained or contributed to exclusively by
              Packco or any of the Packco Subsidiaries exclusively for

                                       
                                       -19-
                                       
              the benefit of Packco Employees (the "Packaging Business-
              Only Plans").

                  (ii)  With respect to each Packaging Business Plan
              providing benefits to U.S. Packco Employees, Grace has
              delivered or made available to Sealed Air and, with re-
              spect to each Packaging Business Plan providing benefits
              to foreign Packco Employees, promptly following the date
              hereof, Grace will deliver or make available to Sealed
              Air, a true, correct and complete copy of each of the fol-
              lowing: (A) all plan documents and the current summary
              plan descriptions (if any); (B) all benefit schedules,
              trust agreements and insurance contracts and other funding
              vehicles, if any; (C) the most recent Annual Report (Form
              5500 Series) and accompanying schedule, if any, or any
              similar filing made with any foreign authority; (D) the
              most recent annual financial report, if any; (E) the most
              recent actuarial report, if any; and (F) the most recent
              determination letter from the IRS or similar document is-
              sued by any other taxing authority, if any.  Except as
              specifically provided in the foregoing documents delivered
              or made available to Sealed Air, there are no amendments
              to any Packaging Business Plan that have been adopted or
              approved, nor has Grace or Packco undertaken to make any
              such amendments.

                 (iii)  The Packaging Business Disclosure Letter identi-
              fies each Packaging Business Plan that is intended to be a
              "qualified plan" within the meaning of Section 401(a) of
              the Code (the "Packco Qualified Plans").  The IRS has is-
              sued a favorable determination letter with respect to each
              Packco Qualified Plan, in each case that has not been re-
              voked, or an application for such a letter has been or
              will be filed before the expiration of the remedial amend-
              ment period, and Grace knows of no existing circumstances
              nor any events that have occurred that could adversely
              affect the qualified status of any such plan or the re-
              lated trust.  No Packaging Business-Only Plan is intended
              to meet the requirements of Section 501(c)(9) of the Code.

                  (iv)  Grace and its subsidiaries and Packco and the
              Packco Subsidiaries have complied, and are now in compli-
              ance, in all material respects, with all provisions of
              ERISA, the Code and all other laws and regulations appli-
              cable to the Packaging Business-Only Plans.  There is not
              now, nor do any circumstances exist that could give rise

                                       
                                       -20-
                                       

              to, any requirement for the posting of security with re-
              spect to any Packaging Business-Only Plan or the imposi-
              tion of any lien on the assets of Packco or a Packco Sub-
              sidiary under ERISA or the Code.  No prohibited transac-
              tion (as defined in ERISA) has occurred with respect to
              any Packaging Business-Only Plan.

                   (v)  No Packaging Business-Only Plan is a "multi-
              employer plan" within the meaning of Section 4001(a)(3) of
              ERISA (a "Multiemployer Plan") or a plan that has two or
              more contributing sponsors at least two of whom are not
              under common control within the meaning of Section 4063 of
              ERISA (a "Multiple Employer Plan").  There does not now
              exist, nor do any circumstances exist that could result
              in, any liability under (A) Title IV of ERISA, (B) Section
              302 of ERISA, (C) Sections 412 and 4971 of the Code, (D)
              the continuation coverage requirements of Section 601 et
              seq. of ERISA and Section 4980B of the Code, or (E) cor-
              responding or similar provisions of foreign laws or regu-
              lations, that would be a liability of Newco, Packco or a
              Packco Subsidiary following the Effective Time, other than
              such liabilities that arise solely out of, or relate sole-
              ly to, the Packaging Business-Only Plans.

                  (vi)  All contributions required to be made to any
              Packaging Business Plan by applicable law or regulation or
              by any plan document or other contractual undertaking, and
              all premiums due or payable with respect to insurance pol-
              icies funding any Packaging Business Plan, have been time-
              ly made or paid in full.  Without limiting the generality
              of the foregoing, all contributions to the Hourly SIP and
              the Salaried SIP (each as defined in the Benefits Agree-
              ment) have been timely made in accordance with past prac-
              tice.

                 (vii)  All Packaging Business Plans covering foreign
              Packco Employees comply with applicable local law, except
              when the failure to so comply, individually or in the ag-
              gregate, would not have a Material Adverse Effect with
              respect to the Packco Group or the Packaging Business.  

                (viii)  Neither the execution and delivery of this
              Agreement nor the consummation of the transactions contem-
              plated hereby will (either alone or in conjunction with
              any other event) result in, cause the accelerated vesting
              or delivery of, or increase the amount or value of, any
              payment or benefit to any Packco Employee.  Without limit-
              ing the generality of the foregoing, no amount paid or
              payable in connection with the transactions contemplated
              hereby (either solely as a result thereof or as a result


                                       -21-
                                       
              of such transactions in conjunction with any other event)
              will be an "excess parachute payment" within the meaning
              of Section 280G of the Code.

                  (ix)  To the knowledge of the executive officers of
              Grace, Grace has, and, after the Effective Time, Packco
              will have, the right to amend or terminate any Packaging
              Business Plan to the extent it provides post-retirement
              medical and life insurance benefits under U.S. Welfare
              Plans (as defined in the Benefits Agreement), other than
              such benefits that the New Grace Group is responsible for
              providing pursuant to the Benefits Agreement, and except
              as may be required by any applicable collective bargaining
              agreement.

                   (m)  Trademarks, Patents and Copyrights.  Grace,
              Packco or a Packco Subsidiary owns or possesses adequate
              licenses or other rights to use all patents, trademarks,
              trade names, service marks, copyrights, licenses and prod-
              uct licenses or registrations (including applications for
              any of the foregoing), technology, know-how, tangible or
              intangible proprietary intellectual property rights, in-
              formation or material (whether conceived, reduced to prac-
              tice or under development), formulae, inventions and new
              and investigational applications (including all options or
              other rights to acquire any of the foregoing) as are nec-
              essary, used or held for use in connection with the Pack-
              aging Business (the "Packaging Business Intellectual Prop-
              erty"), the lack of which would reasonably be expected to
              have a Material Adverse Effect with respect to the Packco
              Group or the Packaging Business.  None of Grace, Packco or
              any of its subsidiaries has received any adverse claim by
              any other person with respect to the Packaging Business
              Intellectual Property or is aware, to the knowledge of the
              executive officers of Grace, Packco and the Packco Subsid-
              iaries, of any infringements with respect thereto, and
              there is no infringement by Grace, Packco or any Packco
              Subsidiary of the intellectual property rights of others,
              which, in each case, would, individually or in the aggre-
              gate, reasonably be expected to have a Material Adverse
              Effect with respect to the Packco Group or the Packco
              Business.  Except for matters that would not, individually
              or in the aggregate, have a Material Adverse Effect with
              respect to the Packaging Business, immediately after the
              Contribution, Grace, Packco or a Packco Subsidiary will
              own or possess adequate licenses or other rights to use
              (subject to the terms of the Distribution Agreement, on
              substantially the same basis as currently owned or pos-
              sessed by Grace and its Subsidiaries) all of the Packaging
              Business Intellectual Property.  Except as contemplated by


                                       -22-
                                       
              Section 2.01(d) of the Distribution Agreement, there are
              no Contracts, agreements or licenses pursuant to which
              Grace or any subsidiaries of Grace which are not a member
              of the Packco Group will retain rights or interests of any
              kind in or affecting the Packaging Business Intellectual
              Property.

                   SECTION 5.3.  Representations and Warranties of
         Sealed Air.  Sealed Air hereby represents and warrants to Grace
         that, except as set forth in a letter delivered to Grace simul-
         taneously with the execution and delivery of this Agreement
         (the "Sealed Air Disclosure Letter"):

                   (a)  Capital Stock.  The authorized capital stock of
              Sealed Air consists of 125,000,000 Sealed Air Common
              Shares, par value $.01 per share, of which 42,624,246 were
              outstanding as of August 14, 1997, and 1,000,000 Sealed
              Air Preferred Shares, no par value, none of which was out-
              standing as of such date.  157,858 Sealed Air Common
              Shares were held in treasury by Sealed Air and its subsid-
              iaries as of August 14, 1997.  As of August 14, 1997,
              there were outstanding under the Sealed Air Amended Con-
              tingent Stock Plan and the Sealed Air Amended Restricted
              Stock Plan for Non-Employee Directors and any other plan
              for employees or directors of Sealed Air (collectively,
              the "Sealed Air Stock Plans") no awards granting rights to
              acquire Sealed Air Common Shares (subject to adjustment on
              the terms set forth in the Sealed Air Stock Plans).  As of
              August 14, 1997, there are no shares of capital stock of
              Sealed Air reserved for issuance, other than 547,050
              Sealed Air Common Shares reserved for issuance pursuant to
              the Sealed Air Stock Plans.  All outstanding Sealed Air
              Common Shares have been duly authorized and validly issued
              and are fully paid and nonassessable.  Except for the
              Sealed Air Common Shares, Sealed Air has outstanding no
              bonds, debentures, notes or other obligations the holders
              of which have the right to vote (or are convertible or ex-
              changeable into or exercisable for securities having the
              right to vote) with the shareholders of Sealed Air on any
              matter.  Each of the outstanding shares of capital stock
              of each of Sealed Air's subsidiaries has been duly autho-
              rized and validly issued and is fully paid and nonassess-
              able and, except for an immaterial number of shares held
              by officers and directors of Sealed Air and its subsid-
              iaries as required by applicable law, is owned, either
              directly or indirectly, by Sealed Air free and clear of
              all liens, pledges, security interests, claims, proxies,
              preemptive or subscriptive rights or other encumbrances or
              restrictions of any kind.  Except as set forth above and

                                       
                                       -23-
                                       
              except for awards and Sealed Air Common Shares issued af-
              ter August 14, 1997 pursuant to the terms of the Sealed
              Air Profit Sharing Plan in accordance with Section 6.1(c),
              there are no shares of capital stock of Sealed Air autho-
              rized, issued or outstanding and there are no preemptive
              rights or any outstanding subscriptions, options, puts,
              calls, warrants, rights, convertible or exchangeable se-
              curities or other agreements or commitments of Sealed Air
              or any of its subsidiaries of any character relating to
              the issued or unissued capital stock or other securities
              of Sealed Air (including, without limitation, the issu-
              ance, sale, purchase, redemption, conversion, exchange,
              redemption, voting or transfer thereof).  As of the
              Effective Time, the number of Sealed Air Common Shares
              outstanding (including any awards pursuant to the Sealed
              Air Stock Plans) shall not exceed the number outstanding
              as of August 14, 1997, except to the extent that such
              excess is reflected in an adjustment to the Per Share
              Common Consideration (as defined in the Distribution
              Agreement) as provided in the definition thereof.

                   (b)  Corporate Organization and Qualification.  Each
              of Sealed Air and its subsidiaries is a corporation duly
              organized, validly existing and in good standing under the
              laws of its or such subsidiary's jurisdiction of organiza-
              tion and is in good standing (if recognized in such juris-
              diction, or, if not, duly qualified) as a foreign corpo-
              ration in each jurisdiction where the properties owned,
              leased or operated, or the business conducted, by it or
              such subsidiary require such qualification, except for any
              such failure so to qualify or be in good standing which,
              when taken together with all other such failures, is not
              reasonably likely to have a Material Adverse Effect with
              respect to Sealed Air.  Each of Sealed Air and its subsid-
              iaries has the requisite corporate power and authority and
              all material governmental licenses and approvals to carry
              on its businesses as they are now being conducted.  Sealed
              Air has made available to the other parties hereto a com-
              plete and correct copy of its Certificate of Incorporation
              and By-laws, each as amended to date and currently in full
              force and effect.

                   (c)  Corporate Authority.  Subject only to the re-
              ceipt of the requisite approval of its shareholders to
              consummate the Merger, Sealed Air has the requisite cor-
              porate power and authority and has taken all corporate
              action necessary in order to execute, deliver and perform
              each Transaction Agreement to which it is a party and to
              consummate the transactions contemplated hereby and there-
              by, including, without limitation, the approval of the


                                       -24-
                                       
              Sealed Air Board and the resolution of the Sealed Air
              Board to recommend, subject to their fiduciary duties, the
              transactions contemplated hereby and thereby for approval
              by Sealed Air shareholders.  Each Transaction Agreement to
              which Sealed Air is a party is, or when executed and de-
              livered shall be, a valid and binding agreement of Sealed
              Air enforceable in accordance with its terms.  The affir-
              mative vote of the holders of a majority of outstanding
              Sealed Air Common Shares in favor of the Merger is the
              only vote of the holders of Sealed Air's capital stock
              necessary in connection with the consummation of the Merg-
              er.

                   (d)  Governmental Filings; No Violations.  (i)  Other
              than as may be required under the HSR Act and similar
              statutes in other countries, the Exchange Act, the Securi-
              ties Act, and state securities laws, no notices, reports
              or other filings are required to be made by Sealed Air or
              any of its subsidiaries with, nor are any consents, regis-
              trations, approvals, permits or authorizations required to
              be obtained by it or any such subsidiary from, any Govern-
              mental Entity in connection with the execution, delivery
              or performance of each Transaction Agreement to which
              Sealed Air is a party and the consummation by Sealed Air
              of the transactions contemplated hereby and thereby, ex-
              cept for such matters as would not, individually or in the
              aggregate, have a Material Adverse Effect with respect to
              Sealed Air or prevent or materially delay or enable any
              person to enjoin consummation of the transactions contem-
              plated hereby and thereby.

                   (ii)  The execution, delivery and performance by
              Sealed Air of each Transaction Agreement to which it is a
              party does not or will not, and the consummation by it of
              any of the transactions contemplated hereby and thereby
              will not, constitute or result in (with or without the
              giving of notice, the lapse of time or both) (A) a breach
              or violation of, or a default under, its Certificate of
              Incorporation or By-laws, or (B) a breach or violation of,
              or a default under, or an acceleration or termination of
              or change in the rights or obligations of any party under,
              or the creation of a lien, pledge, security interest or
              other encumbrance on any assets pursuant to, any provision
              of any Contracts of it or any of its subsidiaries or any
              law, rule, ordinance or regulation or judgment, decree,
              order, award or governmental or non-governmental permit or
              license to which it or any of its subsidiaries is subject,
              except, in the case of clause (B) above, for such breach-
              es, violations, defaults, accelerations or changes that
              are disclosed in the Sealed Air Disclosure Letter or,


                                       -25-
                                       
              individually and in the aggregate, are not reasonably
              likely to have a Material Adverse Effect with respect to
              Sealed Air or prevent or materially delay or enable any
              person to enjoin consummation of the Reorganization.  

                   (e)  SEC Documents; Financial Statements; No Undis-
              closed Liabilities.  (i)  Sealed Air has filed all forms,
              reports and documents required to be filed by it under the
              Exchange Act or the Securities Act since December 31,
              1994.  As of its filing date, each such SEC Document
              filed, and each SEC Document that will be filed by Sealed
              Air or its subsidiaries prior to the Effective Time, as
              amended or supplemented, if applicable, pursuant to the
              Exchange Act or the Securities Act (A) complied or will
              comply in all material respects with the applicable re-
              quirements of the Exchange Act or the Securities Act and
              (B) did not or will not contain any untrue statement of a
              material fact or omit to state any material fact necessary
              in order to make the statements made therein, in the light
              of the circumstances under which they were made, not mis-
              leading.  Each of Sealed Air's consolidated balance sheets
              included in or incorporated by reference into its SEC
              Documents fairly presents in all material respects the
              consolidated financial position of it and its subsidiaries
              as of the dates set forth therein, and each of the con-
              solidated statements of earnings, cash flows and share-
              holders' equity included in or incorporated by reference
              into its SEC Documents (including any related notes and
              schedules) fairly presents in all material respects the
              consolidated results of operations, cash flows and share-
              holders' equity, as the case may be, of Sealed Air and its
              subsidiaries for the periods set forth therein (subject,
              in the case of unaudited statements, to normal year-end
              audit adjustments), in each case in accordance with US
              GAAP (applied on a consistent basis).

                  (ii)  Except as disclosed in its SEC Documents filed
              with the SEC prior to the date hereof, neither Sealed Air
              nor any of its subsidiaries has any liabilities of any
              kind whatsoever, whether or not accrued, contingent or
              otherwise, that, individually or in the aggregate, are
              reasonably likely to have a Material Adverse Effect with
              respect to Sealed Air.

                   (f)  Absence of Certain Events and Changes.  Except
              as disclosed in its SEC Documents filed with the SEC prior
              to the date hereof, since December 31, 1996, Sealed Air
              and its subsidiaries have conducted their respective busi-
              nesses only in the ordinary course of such businesses, and

                                       
                                       -26-
                                       
              there has not been any change or development or combina-
              tion of changes or developments (including any worsening
              of any condition currently existing) which, individually
              or in the aggregate, is reasonably likely to result in a
              Material Adverse Effect with respect to Sealed Air.

                   (g)  Compliance with Laws.  Except as disclosed in
              its SEC Documents filed with the SEC prior to the date
              hereof, Sealed Air and its subsidiaries have complied with
              all applicable federal, state, local and foreign statutes,
              laws, regulations, ordinances, rules, judgments, orders or
              decrees applicable thereto, except where the failure to
              comply is not reasonably likely, individually and in the
              aggregate, to have a Material Adverse Effect with respect
              to Sealed Air.  Sealed Air and its subsidiaries have, and,
              immediately after the Merger, will have, all permits, li-
              censes, certificates of authority, orders, and approvals
              of, and has and will have made all filings, applications,
              and registrations with, federal, state, local, and foreign
              Governmental Entities that are required in order to permit
              it or such subsidiary to carry on its business as it is
              presently conducted, except for such permits, licenses,
              certificates, orders, filings, applications and registra-
              tions, the failure to have or make which, individually or
              in the aggregate, are not reasonably likely to have a Ma-
              terial Adverse Effect with respect to Sealed Air.

                   (h)  Title to Assets.  Except as disclosed in its SEC
              Documents filed with the SEC prior to the date hereof,
              Sealed Air or its subsidiaries have and, immediately after
              the Merger, will:

                        (i)  have good and valid title to its properties
                   and assets (including, without limitation, all assets
                   reflected on the audited 1996 balance sheet of Sealed
                   Air, except for such assets as were sold since Decem-
                   ber 31, 1996 in the ordinary course of business and
                   not in violation of this Agreement), free and clear
                   of any Liens; and

                        (ii)  own or have adequate rights to use all
                   assets currently used or held for use by Sealed Air
                   and its subsidiaries, and such rights are sufficient
                   to permit Sealed Air to continue to operate Sealed
                   Air's business as currently conducted by Sealed Air
                   and its subsidiaries;

              in each case except for such matters as would not, indi-
              vidually or in the aggregate, have a Material Adverse Ef-
              fect on Sealed Air.
                                       
                                       -27-
                                       
                   (i)  Litigation.  Except as disclosed in Sealed Air's
              SEC Documents filed with the SEC prior to the date hereof,
              there are no civil, criminal or administrative actions,
              suits, claims, hearings or proceedings pending or, to the
              knowledge of its executive officers, threatened, or inves-
              tigations pending, against Sealed Air or any of its sub-
              sidiaries that, individually or in the aggregate, are rea-
              sonably likely to have a Material Adverse Effect with re-
              spect to Sealed Air.  There are no judgments or outstand-
              ing orders, writs, injunctions, decrees, stipulations or
              awards (whether rendered or issued by a court or Govern-
              mental Entity, or by arbitration) against Sealed Air or
              any of its subsidiaries or their respective properties or
              businesses, which are reasonably likely, individually or
              in the aggregate, to have a Material Adverse Effect with
              respect to Sealed Air.

                   (j)  Taxes.  Except as reflected in Sealed Air's SEC
              Documents filed with the SEC prior to the date hereof, and
              except for such matters that, individually or in the ag-
              gregate, are not reasonably likely to have a Material Ad-
              verse Effect with respect to Sealed Air, (i) all federal,
              state, local and foreign tax returns required to be filed
              by or on behalf of Sealed Air or any of its subsidiaries
              have been timely filed, or requests for extensions have
              been timely filed and have been granted and not expired,
              and all such filed returns are complete and accurate; (ii)
              all taxes shown as due and payable on returns filed by
              Sealed Air or any of its subsidiaries have been paid in
              full; (iii) there is no outstanding audit examination, de-
              ficiency, or refund litigation with respect to any taxes
              of Sealed Air or any of its subsidiaries; (iv) all taxes,
              interest, additions and penalties due with respect to com-
              pleted and settled examinations or concluded litigation
              relating to Sealed Air or any of its subsidiaries have
              been paid in full or have been recorded as a liability on
              the balance sheet of Sealed Air (in accordance with US
              GAAP); (v) neither Sealed Air nor any of its subsidiaries
              is a party to a tax sharing or similar agreement or any
              agreement pursuant to which it or any of its subsidiaries
              has indemnified another party with respect to taxes; and
              (vi) neither Sealed Air nor any of its subsidiaries has
              waived any applicable statute of limitations with respect
              to any taxes.  

                   (k)  Contracts and Commitments.  Except as set forth
              in the Sealed Air Disclosure Letter, and except for mat-
              ters that would not, individually or in the aggregate,
              have a Material Adverse Effect with respect to Sealed Air,
              (i) Sealed Air and its subsidiaries will not, as of the


                                       -28-
                                       
              Effective Time, be parties to or bound by any Contract
              that materially limits the ability of Grace after the
              Merger, Packco, the Surviving Corporation or any of their
              respective subsidiaries to compete in any line of business
              or with any person or in any geographic area; (ii) neither
              Sealed Air nor any of its subsidiaries is (with or without
              the lapse of time or the giving of notice, or both) in
              breach or default in any material respect under any Con-
              tract that is material to the operation of Sealed Air;
              (iii) none of the other parties to any Contract that is
              material to the operation of Sealed Air is (with or with-
              out the lapse of time or the giving of notice, or both) in
              breach or default in any material respect thereunder; and
              (iv) neither Sealed Air nor any of its subsidiaries has
              received any written notice of the intention of any party
              to terminate any such Contract whether as a termination
              for convenience or for default of Sealed Air or any of its
              subsidiaries thereunder.

                   (l)  Employee Benefits.  (i)  The Sealed Air Disclo-
              sure Letter includes a complete list of all material em-
              ployee benefit plans, programs, policies, practices and
              other arrangements (regardless of whether they are funded
              or unfunded or foreign or domestic, but excluding any such
              plans, programs, policies, practices and arrangements man-
              dated or sponsored by a Governmental Entity with respect
              to foreign employees) providing benefits to any current or
              former employee of Sealed Air or any of its subsidiaries
              (collectively, "Sealed Air Employees") or beneficiary or
              dependent thereof, sponsored or maintained by Sealed Air
              or any of its subsidiaries, or to which Sealed Air or any
              of its subsidiaries contributes or is obligated to con-
              tribute (the "Sealed Air Plans"); provided, that such list
              may not be complete as of the date hereof as to Sealed Air
              Plans providing benefits to foreign Sealed Air Employees,
              but such list shall be updated so as to be complete as to
              such Sealed Air Plans promptly following the date hereof.
              Without limiting the generality of the foregoing, the term
              "Sealed Air Plans" includes all employee welfare benefit
              plans within the meaning of Section 3(1) of ERISA and all
              employee pension benefit plans within the meaning of Sec-
              tion 3(2) of ERISA.  

                  (ii)  With respect to each Sealed Air Plan providing
              benefits to U.S. Sealed Air Employees, Sealed Air has de-
              livered or made available to Grace, and with respect to
              each Sealed Air Plan providing benefits to foreign Sealed
              Air Employees, promptly following the date hereof, Sealed
              Air will deliver or make available to Grace, a true, cor-
              rect and complete copy of each of the following:  (A) all


                                       -29-
                                       
              plan documents, (B) all benefit schedules, trust agree-
              ments and insurance contracts and other funding vehicles,
              and the current summary plan descriptions (if any); (C)
              the most recent Annual Report (Form 5500 Series) and ac-
              companying schedule, if any, or any similar filing made
              with any foreign authority; (D) the most recent annual
              financial report, if any; (E) the most recent actuarial
              report, if any; and (F) the most recent determination let-
              ter from the IRS or similar document issued by any other
              taxing authority, if any.  Except as specifically provided
              in the foregoing documents delivered or made available to
              each of the parties hereto, there are no amendments to any
              Sealed Air Plan that have been adopted or approved, nor
              has Sealed Air undertaken to make any such amendments.

                 (iii)  The Sealed Air Disclosure Letter identifies each
              Sealed Air Plan that is intended to be a "qualified plan"
              within the meaning of Section 401(a) of the Code ("Sealed
              Air Qualified Plans").  The IRS has issued a favorable
              determination letter with respect to each Sealed Air Qual-
              ified Plan, in each case that has not been revoked, or
              application for such a letter has been or will be filed
              before the expiration of the remedial amendment period,
              and Sealed Air knows of no existing circumstances nor any
              events that have occurred that could adversely affect the
              qualified status of any such plan or the related trust.
              No Sealed Air Plan is intended to meet the requirements of
              Section 501(c)(9) of the Code. 

                  (iv)  Sealed Air and its subsidiaries have complied,
              and are now in compliance, in all material respects with
              all provisions of ERISA, the Code and all other laws and
              regulations applicable to the Sealed Air Plans.  There is
              not now, nor do any circumstances exist that could give
              rise to, any requirement for the posting of security with
              respect to any Sealed Air Plan or the imposition of any
              lien on the assets of Sealed Air under ERISA or the Code.
              No prohibited transaction (as defined in ERISA) has oc-
              curred with respect to any Sealed Air Plan.

                   (v)  All contributions required to be made to any
              Sealed Air Plan by applicable law or regulation or by any
              plan document or other contractual undertaking, and all
              premiums due or payable with respect to insurance policies
              funding any Sealed Air Plan, have been timely made or paid
              in full. 

                  (vi)  No Sealed Air Plan currently sponsored or main-
              tained by Sealed Air, any of its subsidiaries or any of
              their respective ERISA Affiliates is subject to Title IV
                                       
                                       -30-
                                       
              or Section 302 of ERISA or Section 412 or 4971 of the
              Code.  Without limiting the generality of the foregoing,
              no Sealed Air Plan is a Multiemployer Plan or a Multiple
              Employer Plan, nor has Sealed Air or any ERISA Affiliate
              of Sealed Air, at any time since September 2, 1974, con-
              tributed to or been obligated to contribute to any Multi-
              employer Plan or Multiple Employer Plan.  There does not
              now exist, nor do any circumstances exist that could re-
              sult in, any liability under (A) Title IV of ERISA,
              (B) Section 302 of ERISA, (C) Sections 412 and 4971 of the
              Code, (D) the continuation coverage requirements of Sec-
              tion 601 et seq. of ERISA and Section 4980B of the Code,
              or (E) corresponding or similar provisions of foreign laws
              or regulations, that would be a liability of Sealed Air or
              any of its subsidiaries following the Effective Time,
              other than such liabilities that arise solely out of, or
              relate solely to, the Sealed Air Plans.

                 (vii)  Neither Sealed Air nor any of its subsidiaries
              has any obligations for retiree health and life benefits
              under any Sealed Air Plan.  

                (viii)  All Sealed Air Plans covering foreign Sealed Air
              Employees comply with applicable local law, except when
              the failure to so comply, individually or in the aggre-
              gate, would not have a Material Adverse Effect with
              respect to Sealed Air.  

                  (ix)  Neither the execution and delivery of this
              Agreement nor the consummation of the transactions contem-
              plated hereby will (either alone or in conjunction with
              any other event) result in, cause the accelerated vesting
              or delivery of, or increase the amount or value of, any
              payment or benefit to any Sealed Air Employee.  Without
              limiting the generality of the foregoing, no amount paid
              or payable in connection with the transactions contem-
              plated hereby (either solely as a result thereof or as a
              result of such transactions in conjunction with any other
              event) will be an "excess parachute payment" within the
              meaning of Section 280G of the Code.  Sealed Air and its
              subsidiaries have not entered into any change-of-control
              agreements under which Sealed Air will be obligated to
              make change-of-control payments following the Merger.

                   (m)  Environmental Matters.  Except as disclosed in
              its SEC Documents filed prior to the date hereof and ex-
              cept for such matters that, individually and in the ag-
              gregate, are not reasonably likely to have a Material Ad-
              verse Effect with respect to Sealed Air, (i) Sealed Air
              and its subsidiaries are and have been in compliance with


                                       -31-
                                       
              all applicable Environmental Laws; (ii) Sealed Air and its
              subsidiaries hold and have held all permits under any En-
              vironmental Law required for the operation of their re-
              spective businesses as presently conducted and are in com-
              pliance with the terms of such permits; and (iii) neither
              Sealed Air nor any of its subsidiaries has received any
              outstanding written notices, demand letters, claims or re-
              quests for information, nor has any complaint been filed,
              penalty assessed, nor is any investigation, action, claim,
              suit, proceeding or review pending (with respect to which
              Sealed Air has been provided notice), or, to the knowledge
              of the executive officers of Sealed Air, threatened by any
              Governmental Entity or any third party that assert that
              Sealed Air or any of its subsidiaries may be in violation
              of, or liable under, any Environmental Law (including as
              an indemnitor in connection with any threatened or as-
              serted claim by any third party indemnitee), and none of
              Sealed Air, its subsidiaries or its properties is subject
              to any citation, court order, administrative order or de-
              cree arising under any Environmental Law.  None of the
              real property owned or leased by Sealed Air or any of its
              subsidiaries is listed on, or, to the knowledge of Sealed
              Air's executive officers, proposed for listing on the "Na-
              tional Priorities List" under CERCLA, or any similar
              state, local or foreign list of sites requiring inves-
              tigation or cleanup.

                   (n)  Takeover Statutes; Rights Plans.  The execution,
              delivery and performance of this Agreement and consumma-
              tion of the transactions contemplated hereby will not
              cause to be applicable to Sealed Air any Takeover Statute
              (after giving effect to any actions that will be taken
              prior to the Effective Time).  Sealed Air does not have
              any preferred share purchase rights plan or similar rights
              plan in effect.

                   (o)  Brokers and Finders.  Neither Sealed Air nor any
              of its subsidiaries or any of their respective officers,
              directors or employees has employed any broker or finder
              or incurred any liability for any brokerage fees, commis-
              sions or finders' fees in connection with the transactions
              contemplated herein, except pursuant to arrangements dis-
              closed in writing to the other parties hereto prior to the
              date hereof.

                   (p)  Trademarks, Patents and Copyrights.  Sealed Air
              and its subsidiaries own or possess adequate licenses or
              other rights to use all patents, trademarks, trade names,
              service marks, copyrights, licenses and product licenses
              or registrations (including applications for any of the
                                       
                                       -32-
                                       
              foregoing), technology, know-how, tangible or intangible
              proprietary intellectual property rights, information or
              material (whether conceived, reduced to practice or under
              development), formulae, inventions and new and investiga-
              tional applications (including all options or rights to
              acquire any of the foregoing) as are necessary, used or
              held for use in connection with its business (the "Sealed
              Air Intellectual Property"), the lack of which would rea-
              sonably be expected to have a Material Adverse Effect with
              respect to Sealed Air.  None of Sealed Air or any of its
              subsidiaries has received any adverse claim by any other
              person with respect to the Sealed Air Intellectual Prop-
              erty or is aware, to the knowledge of the executive offic-
              ers of Sealed Air and its subsidiaries, of any infringe-
              ment with respect thereto, and there is no infringement by
              Sealed Air or its subsidiaries of the intellectual prop-
              erty rights of others, which, in each case, would, indi-
              vidually or in the aggregate, reasonably be expected to
              have a Material Adverse Effect with respect to Sealed Air.
              Except for matters that would not, individually or in the
              aggregate, have a Material Adverse Effect with respect to
              Sealed Air, immediately after the Merger, the Surviving
              Corporation and its subsidiaries will own or possess ad-
              equate licenses or other rights to use (on substantially
              the same basis as currently owned or possessed by Sealed
              Air and its subsidiaries) all of the Sealed Air Intel-
              lectual Property.

                   (q)  Tax Matters.  At the Effective Time, the repre-
              sentations set forth in the Tax Matters Certificates of
              Sealed Air, substantially in the form of Exhibit B (the
              "Sealed Air Tax Matters Certificate"), will be true and
              correct in all respects, and such representations are
              hereby incorporated herein by reference with the same ef-
              fect as if set forth herein in their entirety.

                   (r)  Disclosure.  The representations and warranties
              of Sealed Air contained in this Agreement or in any writ-
              ten instrument, exhibit or certificate furnished or to be
              furnished by Sealed Air to Grace pursuant hereto or in
              connection herewith do not contain any untrue statement of
              a material fact or omit to state a material fact necessary
              in order to make the statements contained therein not mis-
              leading.  
                                       
                                       -33-
                                       

                                    ARTICLE VI

                                    COVENANTS

                   SECTION 6.1.  Interim Operations.  Each of Grace and
         Sealed Air covenants and agrees as to itself and its subsid-
         iaries that, from and after the date hereof until the Effective
         Time, except insofar as the other parties shall otherwise con-
         sent or except as otherwise contemplated by this Agreement, the
         Transaction Agreements or its Disclosure Letters (provided
         that, as used in this Section, all references to Grace (and/or
         its Affiliates) shall be deemed to refer to Grace and all of
         the Subsidiaries of Grace (in each case only with respect to
         the Packaging Business), the Packco Group and the Packaging
         Business except as otherwise specifically provided): 

                   (a)  The business of it and its subsidiaries will be
              conducted only in the ordinary and usual course and it and
              its subsidiaries will use all reasonable efforts to pre-
              serve their business organization intact and maintain
              their existing relations with customers, suppliers, em-
              ployees and business associates.

                   (b)  It will not (i) sell or pledge or agree to sell
              or pledge any stock owned, directly or indirectly, by it
              in any of its subsidiaries, (ii) amend its Certificate of
              Incorporation or By-laws (or similar organizational docu-
              ment); (iii) split, combine or reclassify any outstanding
              capital stock; or (iv) declare, set aside or pay any divi-
              dend payable in stock or property with respect to any of
              its capital stock (other than, in the case of Grace, regu-
              lar quarterly cash dividends consistent with Grace's cur-
              rent practice, and intercompany dividends).  

                   (c)  Neither it nor any of its subsidiaries will is-
              sue, sell, pledge, dispose of or encumber, or authorize or
              propose the issuance, sale, pledge, disposition or en-
              cumbrance of, any shares of, or securities convertible or
              exchangeable for, or options, puts, warrants, calls, com-
              mitments or rights of any kind to acquire, any shares of
              its capital stock of any class other than common shares
              issuable pursuant to options, awards, warrants and other
              convertible securities outstanding on the date hereof and
              disclosed herein, provided that notwithstanding the fore-
              going (A) Grace may grant options to acquire Grace Common
              Shares so long as such options will not, after the Recapi-
              talization, be or become options to purchase capital stock
              or other securities of Newco or any of its subsidiaries,
              and (B) in the ordinary course of business, Sealed Air may
              grant awards to acquire Sealed Air Common Shares or make


                                       -34-
                                       
              all or part of its contribution to the Sealed Air Profit
              Sharing Plan in the form of Sealed Air Common Shares.  

                   (d)  Neither it nor any of its subsidiaries will (i)
              other than in the ordinary course of business, transfer,
              lease, license, guarantee, sell, mortgage, pledge or dis-
              pose of any property or assets or encumber any property or
              assets, or make any material acquisition of, or investment
              in, assets, stock or other securities of any other person
              or entity (other than its wholly-owned subsidiaries); or
              (ii) transfer, license, sell, pledge or dispose of any
              material Intellectual Property rights. 

                   (e)  Except as required or contemplated by agreements
              or arrangements disclosed in its SEC Documents or its Dis-
              closure Letter, neither it nor any of its subsidiaries
              will grant any severance or termination pay to, or enter
              into, extend or amend any employment, consulting, sever-
              ance or other compensation agreement with, any director or
              officer or, other than in the ordinary course of business
              consistent with past practice, other employees, except
              that the foregoing shall not prohibit Grace from entering
              into any such agreement or arrangement that will not be
              binding upon Newco or any of its subsidiaries after the
              Reorganization. 

                   (f)  Except as may be required to satisfy contractual
              obligations existing as of the date hereof (and disclosed
              in its Disclosure Letter) and the requirements of appli-
              cable law, and except in the ordinary and usual course of
              business, neither it nor any of its subsidiaries will es-
              tablish, adopt, enter into, make, amend or make any elec-
              tions under any collective bargaining, bonus, profit shar-
              ing, thrift, compensation, stock option, restricted stock,
              pension, retirement, employee stock ownership, deferred
              compensation, employment, termination, severance or other
              plan, agreement, trust, fund, policy or arrangement for
              the benefit of any directors, officers or employees that
              would be binding on Newco or any of its subsidiaries after
              the Reorganization.

                   (g)  It will not implement any change in its account-
              ing principles, practices or methods, other than as may be
              required by US GAAP, and other than as may be necessary or
              advisable in connection with the Reorganization.

                   (h)  Neither Sealed Air nor Grace will adopt or pro-
              pose any change in its certificate of incorporation or
              bylaws.
                                       
                                       -35-
                                       
                   (i)  Grace agrees to use its reasonable best efforts
              to cause each person that holds any shares of a Packco
              Subsidiary constituting directors qualifying shares to
              deliver at the Effective Time such shares at the direction
              of Sealed Air.

                   (j)  Neither it nor any of its subsidiaries (includ-
              ing in the case of Grace, all members of the New Grace
              Group) shall intentionally take any action knowing that
              such action would cause a breach of a representation or
              warranty herein. 

                   (k)  It and its subsidiaries will conduct cash man-
              agement operations (including the collection of accounts
              receivable and realization of cash from other assets and
              the payment of trade payables and other liabilities) only
              in the ordinary and usual course of business, consistent
              with past practices, and, except as contemplated by the
              Transaction Agreements, all transactions between the Pack-
              co Group or the Packaging Business, on the one hand, and
              the New Grace Group or the New Grace Business, on the
              other, shall only be in the ordinary and usual course of
              business, consistent with the past practices.

                   (l)  Neither it nor any of its subsidiaries will au-
              thorize or enter into an agreement to take any of the ac-
              tions referred to in paragraphs (a) through (k) above.

                   SECTION 6.2.  Certain Transactions.  

                   (a)  It is understood and agreed by the parties here-
         to that, pursuant to the Distribution Agreement, at the time of
         the Reorganization and subject to Section 2.02 of the Distribu-
         tion Agreement, neither Grace nor any member of the Packco
         Group shall have cash or marketable securities, it being con-
         templated that, in connection with the Reorganization, such
         cash and marketable securities shall be provided to Grace-Conn.

                   (b)  Prior to the Distribution, Grace shall cause
         each of the parties to the Distribution Agreement, the Tax
         Sharing Agreement and the Benefits Agreement to duly enter into
         such agreements, which agreements shall not be amended without
         the consent of Sealed Air, which will not be unreasonably with-
         held.

                   SECTION 6.3.  Acquisition Proposals.  Each party
         hereto agrees that neither it nor any of its subsidiaries nor
         any of its respective officers and directors or the officers
         and directors of its subsidiaries shall, and it shall each di-
         rect and use its best efforts to cause its employees, agents


                                       -36-
                                       
         and representatives (including, without limitation, any invest-
         ment banker, attorney or accountant retained by it or any of
         its subsidiaries) not to, initiate, solicit or encourage, di-
         rectly or indirectly, any inquiries or the making or implemen-
         tation of any proposal or offer with respect to a merger, ac-
         quisition, consolidation, business combination, recapitaliza-
         tion or similar transaction involving, or any purchase of all
         or any significant portion of the assets or any equity securi-
         ties of, it or any of its subsidiaries (any such proposal or
         offer being hereinafter referred to as an "Acquisition Pro-
         posal") or provide any confidential information or data to, or
         have any discussions or engage in any negotiations with, any
         person relating to an Acquisition Proposal; provided, however,
         that the Grace Board or the Sealed Air Board may furnish or
         cause to be furnished information (pursuant to confidentiality
         arrangements) and may participate in such discussions and nego-
         tiations directly or through its representatives if (i) the
         failure to provide such information or participate in such ne-
         gotiations and discussions would, in the opinion of its outside
         counsel, cause the members of the Grace Board or the Sealed Air
         Board, as the case may be, to breach their fiduciary duties
         under applicable law or (ii) another person makes a written
         offer or written proposal that was not solicited and did not
         otherwise result from a breach of this Section 6.3 and which,
         based upon the identity of the person making such offer or pro-
         posal, the terms thereof and the availability of adequate fi-
         nancing therefor, the Grace Board or the Sealed Air Board, as
         the case may be, believes, in the good faith exercise of its
         business judgment and based upon advice of its outside legal
         and financial advisors, could reasonably be expected to be con-
         summated and represents a transaction more favorable to its
         shareholders than the Reorganization (a "Higher Offer"); pro-
         vided further, however, that the term "Acquisition Proposal"
         shall not include a proposal exclusively involving all or part
         of the stock or assets of New Grace and the New Grace Business
         so long as any such proposal (and the consummation thereof)
         will not adversely affect the transactions contemplated hereby.
         Grace or Sealed Air, as the case may be, shall notify the other
         party hereto as soon as practicable if any such inquiries or
         proposals are received by, any such information is requested
         from, or any such negotiations or discussions are sought to be
         initiated or continued with it, which notice shall include the
         identity of the interested person and the material terms and
         conditions of any inquiry, request for information, offer or
         proposal.  Thereafter, the party giving the notice shall keep
         the other reasonably informed of the status and details of any
         such inquiry, request for information, offer or proposal, dis-
         cussion or negotiations.

                                       
                                       -37-
                                       
                   SECTION 6.4.  Information Supplied.  Each of the par-
         ties hereto agrees that none of the information supplied or to
         be supplied by it for inclusion or incorporation by reference
         in any Registration Statement, the Joint Proxy Statement or
         Schedule 14A, or any amendment or supplement thereto, will, in
         the case of a Registration Statement, at the time such Regis-
         tration Statement and each amendment and supplement thereto
         becomes effective under the Securities Act, or, in the case of
         a Joint Proxy Statement or Schedule 14A, at the time such Joint
         Proxy Statement or Schedule 14A and each amendment and supple-
         ment thereto is filed in definitive form with the SEC or mailed
         to shareholders and at the time of the applicable Meeting, con-
         tain any untrue statement of a material fact or omit to state
         any material fact required to be stated therein or necessary in
         order to make the statements therein not misleading.  All docu-
         ments that either party is responsible for filing with the SEC
         in connection with the Reorganization will comply as to form
         and substance in all material respects with the applicable re-
         quirements of the Exchange Act.

                   SECTION 6.5.  Shareholder Approvals.  Each of Grace
         and Sealed Air agrees to take, in accordance with applicable
         law and its Certificate of Incorporation and By-laws, all ac-
         tion necessary to convene a meeting of holders of Grace Common
         Shares and Sealed Air Common Shares, respectively, as promptly
         as practicable after the Registration Statements are declared
         effective, and the Joint Proxy Statement is cleared, by the
         SEC, to consider and vote upon the approval of the transactions
         contemplated by the Transaction Agreements (including, without
         limitation, the Grace Amendment).  Subject to the remainder of
         this Section 6.5, each of the Grace Board and the Sealed Air
         Board shall recommend such adoption and approval and shall take
         all lawful action to solicit such approval by shareholders.
         The Grace Board or the Sealed Air Board, as the case may be,
         may fail to make such a recommendation, or withdraw, modify, or
         change any such recommendation, or recommend another offer or
         proposal, if (i) the making of such recommendation or failing
         to withdraw, modify or change its recommendation or to recom-
         mend another offer or proposal would, in the opinion of its
         outside counsel, cause the members of the Grace Board or the
         Sealed Air Board, as the case may be, to breach their fiduciary
         duties under applicable law, or (ii) there is a Higher Offer.
         In such event, notwithstanding anything contained in this
         Agreement to the contrary, any such failure to recommend, with-
         drawal, modification or change of recommendation or recommenda-
         tion of such other offer or proposal, or the entering by Grace
         or Sealed Air into an agreement with respect to a Higher Offer
         (provided that Grace or Sealed Air, as the case may be, shall
         have provided the other party with at least four days' prior
         notice of its intention to enter into such agreement and the


                                       -38-
                                       
         identity of the other party thereto and the material terms and
         conditions of the agreement to be entered into with such per-
         son), shall not constitute a breach of this Agreement by Grace
         or Sealed Air, as the case may be.

                   SECTION 6.6.  Filings; Other Actions.  (a)  Subject
         to the obligations of consultation contained herein, Grace and
         Sealed Air shall promptly prepare for filing the Grace Regis-
         tration Statement and the Joint Proxy Statement to be mailed to
         their shareholders, and Grace shall prepare the New Grace Reg-
         istration Statement (and related prospectus forming a part
         thereof to be mailed to the Grace shareholders), in each case
         in connection with the Reorganization.  In connection with the
         foregoing, Grace shall prepare audited annual and unaudited
         interim financial statements prepared in accordance with US
         GAAP and in compliance with Regulation S-K under the Securities
         Act for the Packaging Business (including Grace after giving
         effect to the Distribution) and for the New Grace Business, and
         such financial statements shall be included in the Registration
         Statements and the Joint Proxy Statement as may be appropriate.
         Each party hereto shall use its reasonable efforts, after con-
         sultation with the other parties hereto, to respond promptly to
         any comments made by the SEC with respect to such filings, to
         have such filings declared effective or cleared, as the case
         may be, and cause such filings to be mailed at the earliest
         reasonably practicable time.  Each party hereto and its counsel
         shall be given a reasonable opportunity to review and comment
         on each version of such filings prior to the filing thereof
         with the SEC.  Each party hereto also shall use its reasonable
         efforts to obtain all necessary state securities law or blue
         sky permits and approvals required to carry out the transac-
         tions contemplated hereby and shall furnish all information as
         may be reasonably requested in connection with any such action.

                   (b)  Each party hereto shall cooperate with the other
         parties hereto, subject to the terms and conditions set forth
         herein, use its reasonable efforts promptly to prepare and file
         all necessary documentation, to effect all necessary applica-
         tions, notices, petitions, filings and other documents, and to
         obtain as promptly as reasonably practicable all necessary per-
         mits, consents, orders, approvals and authorizations of, or any
         exemption by, all third parties and Governmental Entities nec-
         essary or advisable to consummate the transactions contemplated
         hereby.  Each party hereto shall consult with the other parties
         hereto with respect to the obtaining of all permits, consents,
         approvals and authorizations of all third parties and Govern-
         mental Entities necessary or advisable to consummate the trans-
         actions contemplated hereby, and each party shall keep the
         other parties hereto apprised of the status of matters relating
         to completion of the transactions contemplated hereby.  


                                       -39-
                                       
                   (c)  Each party hereto shall, upon reasonable request
         and except as otherwise may be required by applicable law, fur-
         nish the other parties hereto with all information concerning
         itself, its subsidiaries, directors, officers, shareholders and
         other Affiliates and such other matters as may be reasonably
         necessary or advisable in connection any statement, filing,
         notice or application made by or on behalf of such other party
         or any of its Affiliates to any Governmental Entity in con-
         nection with any transactions contemplated by this Agreement.

                   (d)  Each party hereto shall, subject to applicable
         laws relating to the disclosure and exchange of information,
         promptly furnish the other parties hereto with copies of writ-
         ten communications received by each such party or any of its
         subsidiaries, from, or delivered by any of the foregoing to,
         any Governmental Entity in respect of the transactions contem-
         plated hereby.

                   (e)  Each party hereto shall cooperate with each oth-
         er party hereto and shall use reasonable efforts to take or
         cause to be taken all actions and do or cause to be done all
         things reasonably necessary, proper or advisable to obtain fa-
         vorable review of the proposed transaction under the HSR Act
         and any foreign antitrust or competition laws.

                   SECTION 6.7.  Audited Financial Statements; Comfort
         Letters.  (a)  Grace shall prepare, as promptly as practicable,
         audited annual and unaudited interim financial statements with
         respect to each of the New Grace Group and the Packco Group, as
         described in Section 6.6(a) hereto.  Grace shall deliver to
         Sealed Air copies of any such financial statements relating to
         the Packaging Business, which shall be certified without quali-
         fication by Price Waterhouse LLP or other nationally recognized
         accounting firm reasonably acceptable to Sealed Air (the "Pack-
         aging Business Financial Statements").

                   (b)  Each of Grace and Sealed Air shall use all rea-
         sonable efforts to cause to be delivered to the other party, as
         appropriate, and its directors letters of its independent ac-
         countants, dated (i) the date on which each Registration State-
         ment shall become effective and (ii) a date shortly prior to
         the Effective Time, and addressed to such other party and its
         directors, in form and substance customary for "comfort" let-
         ters delivered by independent accountants in connection with
         registration statements.  

                   SECTION 6.8.  Access.  Upon reasonable notice, and
         except as may otherwise be required by applicable law, each
         party hereto shall afford each other party's Representatives

                                       
                                       -40-
                                       
         access, during normal business hours throughout the period un-
         til the Effective Time, to its properties, books, Contracts and
         records and, during such period, shall (and shall cause each of
         its subsidiaries to) furnish promptly to the other party all
         information concerning its business, properties and personnel
         as may reasonably be requested; provided that no investigation
         pursuant to this Section 6.8 shall affect or be deemed to mod-
         ify any representation or warranty made by the party furnishing
         such information; provided further that with respect to the
         work papers of independent accountants or any other contract,
         document, information or other material the provision of which
         is not permitted without the consent of a third party, the pro-
         vision of access shall be subject to the permission of such
         independent accountants or such third party, and each party
         hereto shall use reasonable efforts to secure such permission
         for the other.  Each party hereto shall not, and shall cause
         its respective Representatives not to, use any information ob-
         tained pursuant to this Section 6.8 for any purpose unrelated
         to the consummation of the transactions contemplated by the
         Transaction Agreements.  All information obtained pursuant to
         this paragraph shall be subject to the provisions of the writ-
         ten confidentiality arrangements existing among the parties
         hereto.

                   SECTION 6.9.  Notification of Certain Matters.  Each
         party shall give prompt notice to the other party of (i) any
         material inaccuracy in any representation or warranty made by
         it in this Agreement, (ii) any material failure by it to comply
         with any of its covenants or agreements under this Agreement
         and (iii) any change or event that is reasonably likely to re-
         sult in any Material Adverse Effect or to delay, in any sub-
         stantial respect, or prevent consummation of the Reorganiza-
         tion, in each case to the knowledge of the executive officers.

                   SECTION 6.10.  Publicity.  The initial press release
         relating hereto shall be a joint press release and, thereafter,
         each party hereto shall consult with each other party hereto
         prior to issuing any press releases or otherwise making public
         statements with respect to the transactions contemplated hereby
         and prior to making any filings with any Governmental Entity or
         stock exchange with respect thereto; provided that, if a party
         shall be advised by counsel that any such press release, state-
         ment or filing is required by applicable law and it shall not
         be practicable to consult with the other parties prior to the
         time such press release, statement or filing is required, a
         party may make such press release, statement or filing and
         shall promptly notify the other parties thereof.

                   SECTION 6.11.  Employee Benefits; Headquarters Em-
         ployees.  (a)  Grace and Sealed Air covenant and agree that


                                       -41-
                                       
         from and after the Effective Time, Grace, Packco and the Sur-
         viving Corporation, as the case may be, shall maintain either
         employee benefits plans and programs that are, in the aggre-
         gate, at least substantially comparable to the plans and pro-
         grams in effect with respect to Packco Employees at the Ef-
         fective Time or other plans that are, in the aggregate, at
         least substantially comparable to the plans and programs in
         effect from time to time with respect to comparable Sealed Air
         employees.  

                   (b)  As a result of the Merger, Sealed Air acknowl-
         edges that it will need to add employees to its corporate staff
         and related support services, including in the areas of legal,
         tax, human resources, accounting, risk management, cash manage-
         ment, investor relations, information systems and internal au-
         dit.  In seeking to fill these needs, Sealed Air shall work
         with Grace to identify, prior to the Effective Time, appropri-
         ate people located at Grace's Boca Raton headquarters and shall
         give such individuals preferential consideration.

                   SECTION 6.12.  Expenses.  (a)  Except as set forth in
         paragraphs (b) and (c) below, Section 8.04 of the Distribution
         Agreement and in the Other Agreements, all costs and expenses,
         including without limitation, legal, investment banking,
         financial, accounting and other professional fees and expenses,
         incurred by Grace or its subsidiaries in connection with the
         Transaction Agreements and the transactions contemplated
         thereby shall be paid by New Grace (or if the Reorganization is
         not consummated, Grace) and all such costs and expenses
         incurred by Sealed Air or its subsidiaries shall be paid by
         Newco (or if the Reorganization is not consummated, Sealed
         Air); provided, however, that the costs and expenses of print-
         ing and mailing the Joint Proxy Statement and the Grace Regis-
         tration Statement, and all filing fees paid to the SEC in
         connection therewith, shall be evenly divided between New Grace
         (or if the Reorganization is not consummated, Grace) and Sealed
         Air.  The payments under this Section 6.12 shall not be in lim-
         itation of the rights of the parties hereto under Sections 8.5
         and 9.10 hereof.

                   (b)  In the event that: 

                   (i)  this Agreement shall be terminated pursuant to:  

                        (A)  Section 8.2(iii) (due to a Higher Offer
                   with respect to Grace);

                        (B)  Section 8.2(ii) if, after an Acquisition
                   Proposal with respect to Grace has been publicly dis-
                   closed or announced, the Grace shareholders do not


                                       -42-
                                       
                   approve the matters required by Section 7.1(a) and,
                   within one year after termination of this Agreement,
                   Grace consummates or enters into a written agreement
                   to consummate an Acquisition Proposal (except that,
                   for this purpose, the reference to "significant por-
                   tion" in the definition thereof in Section 6.3 shall
                   mean 20%) or any person (other than an employee stock
                   or similar plan for the benefit of Grace employees)
                   or group of affiliated persons shall acquire benefi-
                   cial ownership (as defined in Rule 13d-3 under the
                   Exchange Act) of at least 35% of the outstanding
                   Grace Common Shares; 

                        (C)  Section 8.4(ii) and, within one year after
                   termination of this Agreement, Grace consummates or
                   enters into a written agreement to consummate an Ac-
                   quisition Proposal (except that, for this purpose,
                   the reference to "significant portion" in the defini-
                   tion thereof in Section 6.3 shall mean 20%) or any
                   person (other than an employee stock or similar plan
                   for the benefit of Grace employees) or group of af-
                   filiated persons shall acquire beneficial ownership
                   (as defined in Rule 13d-3 under the Exchange Act) of
                   at least 35% of the outstanding Grace Common Shares;
                   or

                        (D)  Section 8.2(ii) (due to a failure to obtain
                   Grace shareholder approval at the Grace Meeting other
                   than in the circumstances described in clause (B));
                   and

                   (ii)  at the time of such termination, Sealed Air
              shall not be in material breach of its covenants or agree-
              ments contained in this Agreement;

         then, Grace shall pay to Sealed Air, in exchange for a complete
         release of any liabilities of Grace hereunder, the amount of
         (1) $150 million plus actual out of pocket expenses incurred to
         third parties in connection with the transactions contemplated
         hereby after the date of this Agreement, in the case of an
         event described in clauses (i)(A) or (i)(C) above, (2) in the
         case of clause (i)(B), $25 million at the time of termination
         and $125 million plus the expenses described above upon the
         occurrence of the additional event described in clause (i)(B)
         or (3) $25 million, in the event of termination described in
         clause (i)(D) above.  The amounts payable under this Section
         shall be paid by wire transfer of immediately available funds
         within 24 hours to the account specified by Sealed Air in writ-
         ing.
                                       
                                       -43-
                                       
                   (c)  In the event that: 

                   (i)  this Agreement shall be terminated pursuant to:  

                        (A)  Section 8.2(iii) (due to a Higher Offer
                   with respect to Sealed Air);

                        (B)  Section 8.2(ii), if, after an Acquisition
                   Proposal with respect to Sealed Air has been publicly
                   disclosed or announced, the Sealed Air shareholders
                   do not approve the matters required by Section
                   7.1(a), and, within one year after termination of
                   this Agreement, Sealed Air consummates or enters into
                   a written agreement to consummate an Acquisition Pro-
                   posal (except that, for this purpose, the reference
                   to "significant portion" in the definition thereof in
                   Section 6.3 shall mean 20%) or any person (other than
                   an employee stock or similar plan for the benefit of
                   Sealed Air employees) or group of affiliated persons
                   shall acquire beneficial ownership (as defined in
                   Rule 13d-3 under the Exchange Act) of at least 35% of
                   the outstanding Sealed Air Common Shares;

                        (C)  Section 8.3(ii) and, within one year after
                   termination of this Agreement, Sealed Air consummates
                   or enters into a written agreement to consummate an
                   Acquisition Proposal (except that, for this purpose,
                   the reference to "significant portion" in the defini-
                   tion thereof in Section 6.3 shall mean 20%) or any
                   person (other than an employee stock or similar plan
                   for the benefit of Sealed Air employees) or group of
                   affiliated persons shall acquire beneficial ownership
                   (as defined in Rule 13d-3 under the Exchange Act) of
                   at least 35% of the outstanding Sealed Air Common
                   Shares; or 

                        (D)  Section 8.2(ii) (due to a failure to obtain
                   Sealed Air shareholder approval at the Sealed Air
                   Meeting other than in the circumstances described in
                   clause (B)); and

                   (ii)  at the time of such termination, Grace shall
              not be in material breach of its covenants or agreements
              contained in this Agreement;

         then, Sealed Air shall pay to Grace, in exchange for a complete
         release of any liabilities of Sealed Air hereunder, the amount
         of (1) $75 million plus actual out of pocket expenses incurred
         to third parties in connection with the transactions contem-
         plated hereby after the date of this Agreement, in the case of


                                       -44-
                                       
         an event described in clauses (i)(A) or (i)(C) above, (2) in
         the case of clause (i)(B), $25 million at the time of termina-
         tion and $50 million plus the expenses described above upon
         occurrence of the additional event described in clause (i)(B)
         or (3) $25 million, in the event of termination described in
         clause (i)(D) above.  The amounts payable under this Section
         shall be paid by wire transfer of immediately available funds
         within 24 hours to the account specified by Grace in writing.

                   SECTION 6.13.  Antitakeover Statutes.  If any Take-
         over Statute is or may become applicable to the transactions
         contemplated hereby, each of the parties hereto and the members
         of its Board of Directors shall grant such approvals and take
         such actions as are necessary so that the transactions contem-
         plated 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
         any of the transactions contemplated by this Agreement.

                   SECTION 6.14.  Securities Act Compliance.  As soon as
         practicable after the date of the Meetings, each party hereto
         shall identify all persons who were, at the time of the Meet-
         ings, possible Affiliates, shall use its reasonable efforts to
         obtain a written agreement in the usual and customary form from
         each person who is so identified as a possible Affiliate and
         shall deliver such written agreements to Grace or Newco as soon
         as practicable after the Meetings.

                   SECTION 6.15.  Transaction Agreements.  (a)  Prior to
         the Effective Time, the parties shall consummate any transac-
         tions to be consummated prior to the Effective Time pursuant to
         the Distribution Agreement or the Other Agreements.  

                   (b)  The parties shall not waive or amend any terms
         of the Distribution Agreement or the Other Agreements without
         the consent of the other parties hereto, which consent shall
         not be unreasonably withheld.

                   SECTION 6.16.  Tax Matters.  Each party agrees to
         report the Distribution as a tax-free distribution under the
         Code and the Merger as a tax-free reorganization under the Code
         on all tax returns and other filings, and take no position in-
         consistent therewith, except where, in the opinion of nation-
         ally recognized tax counsel to such party, there is not "sub-
         stantial authority," as defined in Section 6662 of the Code, to
         support such a position.
                                       
                                       -45-
                                       
                                   ARTICLE VII

                                    CONDITIONS

                   SECTION 7.1.  Conditions to Each Party's Obligation.
         The respective obligation of each party hereto to consummate
         the Reorganization is subject to the fulfillment of each of the
         following conditions:

                   (a)  Shareholder Approval.  To the extent required by
              law or stock exchange regulations, the transactions con-
              templated by the Transaction Agreements shall have been
              duly approved by the shareholders of Sealed Air and Grace
              in accordance with applicable law.

                   (b)  Governmental and Regulatory Consents.  The wait-
              ing periods applicable to the consummation of the Merger
              under the HSR Act shall have expired or been terminated;
              and all filings required to be made prior to the Closing
              by any party hereto or any of its respective subsidiaries
              with, and all consents, approvals and authorizations re-
              quired to be obtained prior to the Closing by any party
              hereto or any of its respective subsidiaries from, any
              Governmental Entity in connection with the execution, de-
              livery and performance of this Agreement, the Distribution
              Agreement and the Other Agreements and the consummation of
              the transactions contemplated hereby and thereby (to the
              extent such transactions are required to be consummated
              prior to the Effective Time) shall have been made or ob-
              tained, except where the failure to obtain such consents,
              approvals and authorizations (i) is not reasonably likely
              to have a Material Adverse Effect on (A) the New Grace
              Group (with respect to the condition for Grace) or (B) the
              Packco Group or Sealed Air (with respect to the condition
              for Sealed Air), and (ii) could not reasonably be expected
              to subject the parties hereto or their Affiliates or any
              directors or officers of any of the foregoing to criminal
              liability.  

                   (c)  Third-Party Consents.  All consents or approvals
              of all persons (other than Governmental Entities) required
              for or in connection with the execution, delivery and per-
              formance of this Agreement, the Distribution Agreement and
              the Other Agreements and the consummation of the transac-
              tions contemplated hereby and thereby shall have been ob-
              tained and shall be in full force and effect, except for
              those the failure of which to obtain would not have a Ma-
              terial Adverse Effect with respect to (i) the New Grace
              Group (with respect to the condition for Grace), or (ii)

                                       
                                       -46-
                                       
              the Packco Group or Sealed Air (with respect to the condi-
              tion for Sealed Air). 

                   (d)  Governmental Matters.  No Governmental Entity of
              competent jurisdiction shall have enacted, issued, promul-
              gated, enforced or entered any statute, rule, regulation,
              judgment, decree, injunction or other order (whether tem-
              porary, preliminary or permanent) which is in effect and
              prohibits consummation of the transactions contemplated
              hereby or by the Distribution Agreement or the Other
              Agreements.

                   (e)  Tax Opinions.  Grace shall have received the
              opinion of Wachtell, Lipton, Rosen & Katz, dated the date
              of the Effective Time, substantially in the form of Ex-
              hibit C hereto.  In rendering such opinion, such firm may
              receive and rely upon representations contained in cer-
              tificates of Grace, Merger Sub and Sealed Air and others,
              including, without limitation, the Grace Tax Matters Cer-
              tificate and the Sealed Air Tax Matters Certificate.
              Sealed Air shall have received the opinion of Davis Polk &
              Wardwell, dated the date of the Effective Time, substan-
              tially in the form of Exhibit D hereto.  In rendering such
              opinion, such firm may receive and rely upon representa-
              tions contained in certificates of Grace, Merger Sub and
              Sealed Air and others, including, without limitation, the
              Grace Tax Matters Certificate and the Sealed Air Tax Mat-
              ters Certificate.  

                   (f)  Registration Statements.  The Registration
              Statements shall have become effective under the Securi-
              ties Act or Exchange Act (as applicable), and no stop or-
              der suspending the effectiveness of the Registration
              Statements shall have been issued and no proceedings for
              that purpose shall have been initiated or threatened by
              the SEC.

                   (g)  The Contribution, the Distribution and the Re-
              capitalization.  The Contribution, the Distribution and
              the Recapitalization shall have been consummated as pro-
              vided in the Distribution Agreement, and the conditions to
              consummation of such transactions set forth in Section
              8.01 of the Distribution Agreement shall have been satis-
              fied or, to the reasonable satisfaction of Sealed Air,
              shall have been waived.

                   (h)  Stock Exchange Listing.  The Newco Common Shares
              and Newco Convertible Preferred Shares to be issued in the
              Recapitalization and the Merger shall have been authorized

                                       
                                       -47-
                                       
              for listing on the NYSE, subject to official notice of
              issuance.

                   SECTION 7.2.  Conditions to Obligation of Grace.  The
         obligation of Grace to consummate the Reorganization is also
         subject to the fulfillment or waiver by Grace prior to the
         Closing of each of the following conditions:

                   (a)  Representations and Warranties.  The representa-
              tions and warranties of Sealed Air set forth in this
              Agreement shall be true and correct in all material re-
              spects as of the date of this Agreement, and such repre-
              sentations and warranties shall be true and correct as of
              the Closing Date as though made on and as of the Closing
              Date (except that representations and warranties that by
              their terms speak as of the date of this Agreement or some
              other date shall be true and correct in all material re-
              spects as of such date) disregarding with respect to the
              Closing Date all qualifications and exceptions contained
              therein relating to materiality or Material Adverse Ef-
              fect, except for such matters as would not in the aggre-
              gate reasonably be expected to have a Material Adverse
              Effect with respect to Sealed Air, and Grace shall have
              received a certificate signed on behalf of Sealed Air by
              an officer to such effect.

                   (b)  Performance of Obligations.  Sealed Air shall
              have performed in all material respects all obligations
              required to be performed by it under this Agreement or the
              other Transaction Agreements at or prior to the Closing
              Date, and Grace shall have received a certificate signed
              on behalf of Sealed Air by an officer to such effect.

                   SECTION 7.3.  Conditions to Obligation of Sealed Air.
         The obligation of Sealed Air to consummate the Reorganization
         is also subject to the fulfillment or waiver by Sealed Air
         prior to the Closing of each of the following conditions:

                   (a)  Representations and Warranties.  The representa-
              tions and warranties of Grace set forth in this Agreement
              shall be true and correct in all material respects as of
              the date of this Agreement, and the representations and
              warranties set forth in Section 5.1 shall be true and cor-
              rect in all material respects as of the Closing Date as
              though made on and as of the Closing Date (except that
              representations and warranties that by their terms speak
              as of the date of this Agreement or some other date shall
              be true and correct in all material respects as of such
              date), and the representations and warranties set forth in
              Section 5.2 shall be true and correct as of the Closing


                                       -48-
                                       
              Date as though made on and as of the Closing Date (or in
              the case of representations and warranties that speak of
              some other date, as of such date), disregarding all qual-
              ifications and exceptions contained therein relating to
              materiality or Material Adverse Effect, except for such
              matters as would not in the aggregate reasonably be ex-
              pected to have a Material Adverse Effect with respect to
              the Packaging Business or the Packco Group, and Sealed Air
              shall have received a certificate signed on behalf of
              Grace by an officer to such effect.

                   (b)  Performance of Obligations.  Grace shall have
              performed in all material respects all obligations re-
              quired to be performed by it under this Agreement or the
              other Transaction Agreements at or prior to the Closing
              Date, and Sealed Air shall have received a certificate
              signed on behalf of Grace by an officer to such effect.

                   (c)  Letter of Credit.  New Grace or another member
              of the New Grace Group shall have obtained the letter of
              credit contemplated by Section 2.06(b) of the Distribution
              Agreement (to the extent required thereby).

                   (d)  Solvency Opinion.  The Sealed Air Board shall
              have received the opinion referred to in Section
              8.01(a)(ix)(A) of the Distribution Agreement regarding New
              Grace and Grace-Conn. and shall be entitled to rely on
              such opinion as if it were addressed to it.


                                   ARTICLE VIII

                                   TERMINATION 

                   SECTION 8.1.  Termination by Mutual Consent.  This
         Agreement may be terminated, and the Reorganization may be
         abandoned, at any time prior to the Effective Time, before or
         after the approval by the shareholders of Grace and/or Sealed
         Air, by the mutual consent of each party hereto, which consent
         shall be effected by action of its Board of Directors.

                   SECTION 8.2.  Termination by any Party Hereto.  This
         Agreement may be terminated, and the Reorganization may be
         abandoned, by action of the Board of Directors of any party
         hereto, if (i) the Reorganization shall not have been consum-
         mated by April 30, 1998, provided that the right to terminate
                                       
                                       -49-
                                       
         this Agreement pursuant to this clause (i) shall not be avail-
         able to any party whose breach of any provision of this Agree-
         ment results in the failure of the Reorganization to be con-
         summated by such date, (ii) at the Grace Meeting or at any ad-
         journment thereof, the approval of Grace's shareholders re-
         quired by Section 7.1(a), or, at the Sealed Air Meeting or any
         adjournment thereof, the approval of Sealed Air's shareholders
         required by Section 7.1(a) shall not have been obtained, or
         (iii) Grace or Sealed Air shall have entered into an agreement
         with respect to a Higher Offer in a manner permitted by Section
         6.5.

                   SECTION 8.3.  Termination by Grace.  This Agreement
         may be terminated and the Reorganization may be abandoned at
         any time prior to the Effective Time, before or after the adop-
         tion and approval by shareholders of Grace referred to in Sec-
         tion 7.1(a), by action of the Grace Board, if (i) Sealed Air
         shall have failed to comply in any material respect with any of
         the covenants or agreements contained herein to be performed by
         it at or prior to the time of termination, which failure (a) is
         not capable of being cured prior to April 30, 1998 and with
         respect to which Grace has provided 15 days' written notice; or
         (b) is capable of being cured prior to such date but with re-
         spect to such failure Sealed Air has not made, or has ceased to
         make, diligent efforts to cure within 15 days of written notice
         from Grace; (ii) the Sealed Air Board shall have failed to rec-
         ommend to its shareholders the approval of the transactions
         contemplated hereby or shall have withdrawn, modified or
         changed in a manner materially adverse to Grace its approval or
         recommendation of this Agreement; or (iii) the average closing
         sales price of one Sealed Air Common Share for NYSE composite
         transactions, as reported in The Wall Street Journal, for the
         twenty trading days ending on the last trading day immediately
         preceding the day of the Effective Time (but for this clause)
         is less than $37.00 per share.

                   SECTION 8.4.  Termination by Sealed Air.  This Agree-
         ment may be terminated and the Reorganization may be abandoned
         at any time prior to the Effective Time, before or after the
         adoption and approval by shareholders of Sealed Air referred to
         in Section 7.1(a), by action of the Sealed Air Board, if (i)
         Grace shall have failed to comply in any material respect with
         any of the covenants or agreements contained herein to be per-
         formed by it at or prior to the time of termination, which
         failure (a) is not capable of being cured prior to April 30,
         1998 and with respect to which Sealed Air has provided 15 days'
         written notice; or (b) is capable of being cured prior to such
         date but with respect to such failure Grace has not made, or
         has ceased to make, diligent efforts to cure within 15 days of
         written notice from Sealed Air; (ii) the Grace Board shall have
                                       
                                       -50-
                                       
         failed to recommend to its shareholders the approval of the
         transactions contemplated hereby or shall have withdrawn, modi-
         fied or changed in a manner materially adverse to Sealed Air
         its approval or recommendation of this Agreement; or (iii) the
         average closing sales price of one Grace Common Share for NYSE
         composite transactions, as reported in The Wall Street Journal,
         for the twenty trading days ending on the last trading day im-
         mediately preceding the day of the Effective Time (but for this
         clause) is less than $45.375 per share.

                   SECTION 8.5.  Effect of Termination and Abandonment.
         In the event of termination of this Agreement and the abandon-
         ment of the Reorganization pursuant to this Article VIII, no
         party hereto (or any of its directors or officers) shall have
         any liability or further obligation to any other party, except
         as set forth in Section 6.12 and except that nothing herein
         will relieve any party from liability for any material and
         willful breach of any covenant contained herein.


                                    ARTICLE IX

                            MISCELLANEOUS AND GENERAL

                   SECTION 9.1.  Survival.  Only those agreements and
         covenants of the parties which by their express terms apply in
         whole or in part after the Effective Time shall survive the
         Effective Time.  All other representations, warranties, agree-
         ments and covenants shall be deemed only to be conditions of
         the Reorganization and shall not survive the Effective Time. 

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

                   SECTION 9.3.  Waiver of Conditions.  The conditions
         to each party's obligation to consummate the Reorganization and
         the Merger are for the sole benefit of such party and may be
         waived by such party in whole or in part to the extent permit-
         ted by applicable law.

                   SECTION 9.4.  Counterparts.  For the convenience of
         the parties hereto, this Agreement may be executed in any num-
         ber of separate counterparts signed by one or more of the par-
         ties hereto, each such counterpart being deemed to be an origi-
         nal instrument, and all such counterparts shall together con-
         stitute the same agreement.
                                       
                                       -51-
                                       
                   SECTION 9.5.  Governing Law.  This Agreement shall be
         governed by and construed in accordance with the laws of the
         State of Delaware.

                   SECTION 9.6.  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 given upon receipt) by delivery in person, by cable, tele-
         gram, telex or other standard form of telecommunications, or by
         registered or certified mail, postage prepaid, return receipt
         requested, addressed as follows:  

                   (a)  If to Grace or Merger Sub:

                        W. R. Grace & Co.
                        One Town Center Road
                        Boca Raton, Florida  33486-1010
                        Attention:  Secretary 
                        Fax: (561) 362-1970

                        with a copy to:

                        Wachtell, Lipton, Rosen & Katz
                        51 West 52nd Street
                        New York, NY  10019
                        Attention:  Andrew R. Brownstein, Esq.
                        Fax: (212) 403-2000

                   (b)  If to Sealed Air:

                        Sealed Air
                        Park 80 East
                        Saddle Brook, New Jersey  07663
                        Attention:  President
                        Fax:  (201) 703-4152

                        with a copy to:

                        Davis Polk & Wardwell
                        450 Lexington Ave.
                        New York, NY  10017
                        Attention:  Christopher Mayer, Esq.
                        Fax:  (212) 450-4800

         or to such other address as any party hereto may have furnished
         to the other parties by a notice in writing in accordance with
         this Section.

                   SECTION 9.7.  Entire Agreement; Assignment.  This
         Agreement (and the Exhibits and Disclosure Letters hereto) (a)
                                       
                                       -52-
                                       
         constitute the entire agreement, and supersede all other prior
         agreements, understandings, representations and warranties,
         both written and oral, among the parties, with respect to the
         subject matter hereof other than the written confidentiality
         arrangements existing among the parties hereto, which shall
         survive, and (b) shall not be assignable by operation of law or
         otherwise.

                   SECTION 9.8.  Definition of "Subsidiary."  When a
         reference is made in this Agreement to a subsidiary of a party,
         the term "subsidiary" means any corporation or other organiza-
         tion whether incorporated or unincorporated of which at least a
         majority of the securities or interests having by the terms
         thereof 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 di-
         rectly or indirectly owned or controlled by such party or by
         any one or more of its subsidiaries, or by such party and one
         or more of its subsidiaries.

                   SECTION 9.9.  Captions.  The Article, Section and
         paragraph captions herein are for convenience of reference
         only, do not constitute part of this Agreement, and shall not
         be deemed to limit or otherwise affect any of the provisions
         hereof.

                   SECTION 9.10.  Specific Performance.  In the event of
         any actual or threatened default in, or breach of, any of the
         terms, conditions and provisions of this Agreement, the party
         or parties who are or are to be thereby aggrieved shall have
         the right of specific performance and injunctive relief giving
         effect to its or their rights under this Agreement, in addition
         to any and all other rights and remedies at law or in equity,
         and all such rights and remedies shall be cumulative.  The par-
         ties agree that the remedies at law for any breach or threat-
         ened breach, including monetary damages, are inadequate compen-
         sation for any loss and that any defense in any action for spe-
         cific performance that a remedy at law would be adequate is
         waived.

                   SECTION 9.11.  Severability.  If any provision of
         this Agreement or the application thereof to any person or cir-
         cumstance is determined by a court of competent jurisdiction to
         be invalid, void or unenforceable, the remaining provisions
         hereof, or the application of such provision to persons or cir-
         cumstances other than those as to which it has been held in-
         valid or unenforceable, shall remain in full force and effect
                                       
                                       -53-
                                       
         and shall in no way be affected, impaired or invalidated there-
         by, so long as the economic or legal substance of the transac-
         tions contemplated hereby is not affected in any manner adverse
         to any party.  

                   SECTION 9.12.  Third-Party Beneficiaries.  Nothing
         contained in this Agreement, expressed or implied, is intended
         to confer upon any person or entity, other than the parties
         hereto, any benefit, right or remedies.

                   SECTION 9.13.  Further Assurances.  In addition to
         the actions specifically provided for elsewhere in this Agree-
         ment, but subject to Section 9.1 hereof, each of the parties
         hereto shall use reasonable efforts to take, or cause to be
         taken, all actions, and to do, or cause to be done, all things
         reasonably necessary, proper or advisable under applicable
         laws, regulations and agreements to consummate and make effec-
         tive the transactions contemplated by this Agreement.  
                                       
                                       -54-
                                       
                   IN WITNESS WHEREOF, this Agreement has been duly ex-
         ecuted and delivered by the duly authorized officers of the
         parties hereto on the date first hereinabove written.

                                       W. R. GRACE & CO.



                                       By: /s/ Albert J. Costello            
                                          Name:  Albert J. Costello
                                          Title: Chairman, President and
                                                 Chief Executive Officer



                                       SEALED AIR CORPORATION



                                       By: /s/ T.J. Dermot Dunphy           
                                          Name:  T.J. Dermot Dunphy
                                          Title:  Chairman of the Board
                                                  and Chief Executive
                                                  Officer


                                       PACKCO ACQUISITION CORP.



                                       By: /s/ Larry Ellberger              
                                          Name:  Larry Ellberger
                                          Title:  President
                                       

                                       -55-
                                                                 ANNEX A
                                       
                                  DEFINED TERMS


                   Acquisition Proposal:  as defined in Section 6.3
         hereof.

                   Affiliate:  as defined in Rule 12b-2 under the Ex-
         change Act.

                   Agreement:  as defined in the Preamble hereof.

                   Benefits Agreement:  the executed agreement in the
         form of Exhibit A to the Distribution Agreement.

                   CERCLA:  the Comprehensive Environmental Response,
         Compensation and Liability Act of 1980, as amended.

                   Closing:  as defined in Section 1.4 hereof.

                   Closing Date:  as defined in Section 1.4 hereof.

                   Code:  the Internal Revenue Code of 1986, as amended.

                   Contracts:  as defined in Section 5.1(d)(ii).

                   Contribution:  as defined in Recital B hereof.

                   DGCL:  as defined in Section 1.3 hereof.

                   Disclosure Letters:  the Sealed Air Disclosure Letter
         and the Grace Disclosure Letter.

                   Distribution:  as defined in Recital C hereof.

                   Distribution Agreement:  as defined in Recital B
         hereof.

                   Effective Time:  as defined in Section 1.3 hereof.

                   Environmental Law:  any federal, state, foreign or
         local law, statute, ordinance, rule, regulation, code, license,
         permit, authorization, approval, consent, common law, legal
         doctrine, order, judgment, decree, injunction, requirement or
         agreement with any government entity or other third party, (a)
         relating to the pollution, protection, preservation, investiga-
         tion or restoration of the environment (including, without lim-
         itation, air, water vapor, surface water, groundwater, drinking
         water supply, surface land, subsurface land, plant and animal
         life or any other natural resource), or to human health or
         safety, or (b) the exposure to, or the use, storage, recycling,
                                       
                                       A-1
                                       
         treatment, generation, transportation, processing, handling,
         labeling, production, release or disposal of Hazardous
         Substances.  

                   ERISA:  the Employee Retirement Income Security Act
         of 1974, as amended, and the rules and regulations promulgated
         thereunder.

                   ERISA Affiliate:  with respect to any entity, trade
         or business, any other entity, trade or business that is a mem-
         ber of a group described in Section 414(b), (c), (m) or (o) of
         the Code or Section 4001(b)(1) of ERISA that includes the first
         entity, trade or business, or that is a member of the same
         "controlled group" as the first entity, trade or business pur-
         suant to Section 4001(a)(14) of ERISA.

                   Exchange Act:  the Securities Exchange Act of 1934,
         as amended, and the rules and regulations promulgated thereun-
         der.

                   Exchange Agent:  as defined in Section 4.2(a) hereof.

                   Governmental Entity:  as defined in Section 5.1(d)(i)
         hereof.

                   Grace:  as defined in the Preamble hereof.

                   Grace Board:  the Board of Directors of Grace.

                   Grace Certificate of Incorporation:  as defined in
         Section 2.1 hereof.

                   Grace Common Shares:  shares of common stock, par
         value $.01 per share, of Grace (including the associated Grace
         Rights).

                   Grace-Conn.:  as defined in Recital C hereof.

                   Grace Credit Agreement:  as defined in the Distribu-
         tion Agreement.

                   Grace Disclosure Letter:  as defined in Section 5.1
         hereof.

                   Grace Meeting:  a duly convened meeting of holders of
         Grace Common Shares called to vote on and approve the transac-
         tions contemplated hereby (including the transactions contem-
         plated by the Distribution Agreement).

                                       
                                       A-2
                                       
                   Grace Options:  as defined in Section 5.1(a)(i) here-
         of.

                   Grace Preferred Shares:  shares of preferred stock,
         par value $.01 per share, of Grace.

                   Grace Registration Statement:  the registration
         statement to be filed by Grace with the SEC in connection with
         the issuance of Newco Common Shares and Newco Convertible Pre-
         ferred Shares in the Merger and the Recapitalization, which
         shall include therein the Joint Proxy Statement.

                   Grace Rights:  the preferred share purchase rights of
         Grace issued pursuant to the Grace Rights Agreement.

                   Grace Rights Agreement:  the Rights Agreement, dated
         as of September 25, 1996, by and between Grace and The Chase
         Manhattan Bank, as Rights Agent.

                   Grace Savings Plan:  the W.R. Grace & Co. Salaried
         Employees Savings and Investment Plan.

                   Grace Stock Plans:  as defined in Section 5.1(a)(i)
         hereof.

                   Grace Tax Matters Certificate:  as defined in Section
         5.1(j) hereof.

                   Hazardous Substance:  any substance, waste or mate-
         rial listed, defined, designated or classified as a pollutant
         or contaminant, or as ignitable, corrosive, reactive or hazard-
         ous, toxic, radioactive or dangerous, or otherwise regulated
         under any Environmental Law, whether by type or by quantity,
         including any substance containing any such substance as a com-
         ponent.

                   Higher Offer:  as defined in Section 6.3 hereof.

                   HSR Act:  the Hart-Scott-Rodino Antitrust Improve-
         ments Act of 1976, as amended.

                   IRS:  the United States Internal Revenue Service.

                   Joint Proxy Statement:  the joint proxy statement
         (including all proxy solicitation materials constituting a part
         thereof) to be prepared by the parties hereto and mailed to the
         Grace shareholders or Sealed Air shareholders, as the case may
         be, in connection with the Reorganization.
                                       
                                       A-3
                                       
                   knowledge of executive officers:  shall mean, in the
         case of Grace or Sealed Air, as the case may be, the knowledge
         of each officer of such party subject to Section 16 of the Ex-
         change Act pursuant to Rule 16a-2 under the Exchange Act.

                   Lien:  as defined in Section 5.2(g) hereof.

                   material:  with respect to any party, material to
         such party and its subsidiaries, taken as a whole.

                   Material Adverse Effect:  with respect to any party,
         an effect which would be materially adverse to the properties,
         business, financial condition, results of operations or pros-
         pects of such party and its subsidiaries taken as a whole.

                   Meetings:  the Grace Meeting and the Sealed Air Meet-
         ing.

                   Merger:  as defined in Recital E hereof.

                   Merger Certificate:  as defined in Section 1.3 here-
         of.

                   Merger Sub:  as defined in the Preamble hereof.

                   Merger Sub Common Stock:  as defined in Section
         5.1(a)(ii) hereof.

                   Multiemployer Plan:  as defined in Section 5.2(l)(v)
         hereof.

                   Multiple Employer Plan:  as defined in Section
         5.2(l)(v) hereof.

                   Newco:  as defined in Recital E hereto.

                   Newco Amendment:  as defined in Recital E hereof, the
         terms of which are attached hereto as Exhibit F.  

                   Newco Certificate:  a certificate evidencing Newco
         Common Shares.

                   Newco Common Shares:  the shares of common stock of
         Newco, par value $.10 per share.

                   Newco Convertible Preferred Shares:  the shares of
         Series A Convertible Preferred Stock of Newco, par value $.10
         per share, the terms of which are set forth in Exhibit E here-
         to.
                                       
                                       A-4
                                       
                   New Grace:  as defined in the Distribution Agreement.

                   New Grace Business:  as defined in the Distribution
         Agreement.

                   New Grace Group:  as defined in the Distribution
         Agreement.

                   New Grace Registration Statement:  the registration
         statement to be filed with the SEC by New Grace in connection
         with the Distribution.

                   NYSE:  the New York Stock Exchange, Inc.

                   Old Sealed Air Certificate:  a certificate evidencing
         Sealed Air Common Shares.

                   Other Agreements:  as defined in the Distribution
         Agreement.

                   Packaging Business:  as defined in the Distribution
         Agreement.

                   Packaging Business Disclosure Letter:  as defined in
         Section 5.2 hereof.

                   Packaging Business Disclosure Letter Balance Sheet:
         as disclosed in Section 5.2(d)(i) hereof.

                   Packaging Business Disclosure Letter Financial State-
         ments:  as defined in Section 5.2(d)(i) hereof.

                   Packaging Business Financial Statements:  as defined
         in Section 6.7(a) hereof.

                   Packaging Business Intellectual Property:  as defined
         in Section 5.2(m) hereof.

                   Packaging Business Plans:  as defined in Section
         5.2(l)(i) hereof.

                   Packaging Business-Only Plans:  as defined in Section
         5.2(l)(i) hereof.

                   Packco:  as defined in Recital B hereof.

                   Packco Assets:  as defined in the Distribution Agree-
         ment.
                                       
                                       A-5
                                       
                   Packco Employees:  as defined in the Benefits Agree-
         ment.

                   Packco Group:  as defined in the Distribution Agree-
         ment.

                   Packco Qualified Plans:  as defined in Section
         5.2(l)(iii) hereof.

                   Packco Subsidiary:  as defined in the Distribution
         Agreement.

                   Recapitalization:  as defined in the Distribution
         Agreement.

                   Registration Statements:  the Grace Registration
         Statement and the New Grace Registration Statement.

                   Reorganization:  the Contribution, the Recapitaliza-
         tion, the Distribution and the Merger and other transactions
         contemplated by the Transaction Agreements.

                   Representatives:  with respect to any party, such
         party's officers, employees, counsel, accountants and other
         authorized representatives.

                   S.C. Certificate of Incorporation:  as defined in
         Section 2.1 hereof.

                   Schedules 14A:  the Schedule 14A to be filed by Grace
         or Sealed Air, as the case may be, in connection with the Reor-
         ganization, including the related Joint Proxy Statement.

                   Sealed Air:  as defined in the Preamble hereof.

                   Sealed Air Board:  the Board of Directors of Sealed
         Air.

                   Sealed Air Common Shares:  shares of common stock,
         par value $.01 per share, of Sealed Air.

                   Sealed Air Disclosure Letter:  as defined in Section
         5.3 hereof.

                   Sealed Air Employees:  as defined in Section
         5.3(l)(i) hereof.

                   Sealed Air Intellectual Property:  as defined in Sec-
         tion 5.3(p) hereof.
                                       
                                       A-6
                                       
                   Sealed Air Meeting:  a duly convened meeting of hold-
         ers of Sealed Air Common Shares called to vote on and approve
         the transactions contemplated hereby.

                   Sealed Air Plans:  as defined in Section 5.3(l)(i)
         hereof.

                   Sealed Air Qualified Plans:  as defined in Section
         5.3(l)(iii).

                   Sealed Air Stock Plans:  as defined in Section 5.3(a)
         hereof.

                   Sealed Air Tax Matters Certificate:  as defined in
         Section 5.3(q) hereof.

                   SEC:  the Securities and Exchange Commission.

                   SEC Documents:  with respect to any party, all fil-
         ings made by such party or its subsidiaries with the SEC since
         December 31, 1994, including notes, schedules, amendments and
         exhibits thereto.

                   Securities Act:  the Securities Act of 1933, as amen-
         ded, and the rules and regulations promulgated thereunder.

                   subsidiary:  as defined in Section 9.8 hereof.

                   Surviving Corporation:  as defined in Section 1.2
         hereof.

                   Takeover Statute:  as defined in Section 5.1(g) here-
         of.

                   Tax Sharing Agreement:  the executed agreement in the
         form of Exhibit B to the Distribution Agreement.

                   Transaction Agreements:  this Agreement, the Distri-
         bution Agreement and the Other Agreements.  

                   US GAAP:  United States generally accepted accounting
         principles consistently applied.

                                       
                                       A-7