TYCO INTERNATIONAL LTD /BER/
8-K, 1998-03-11
GENERAL INDUSTRIAL MACHINERY & EQUIPMENT, NEC
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<PAGE>   1
                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

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



                                    FORM 8-K
                                 CURRENT REPORT



                     PURSUANT TO SECTION 13 OR 15(d) OF THE

                      SECURITIES EXCHANGE ACT OF 1934 DATE
                  OF REPORT (DATE OF EARLIEST EVENT REPORTED)
                               FEBRUARY 27, 1998

                                     0-16979
                            (Commission File Number)


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



                             TYCO INTERNATIONAL LTD.
             (Exact name of registrant as specified in its charter)



                        BERMUDA                          NOT APPLICABLE
             (Jurisdiction of Incorporation)              (IRS Employer 
                                                      Identification Number)



     THE GIBBONS BUILDING, 10 QUEEN STREET, SUITE 301 HAMILTON HM11, BERMUDA
              (Address of registrant's principal executive office)



                                  441-292-8674
                         (Registrant's telephone number)

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



*The executive offices of the Registrant's principal United States subsidiary,
Tyco International (US) Inc., are located at One Tyco Park, Exeter, New
Hampshire 03833. The telephone number there is (603) 778-9700.


<PAGE>   2


ITEM 2. ACQUISITION OR DISPOSITION OF ASSETS

     On February 27, 1998, a subsidiary of Tyco International Ltd. (the
"Company" or "Tyco") consummated the purchase of the Sherwood-Davis & Geck
division ("Sherwood") of American Home Products Corporation for cash of $1.77
billion. Sherwood is a manufacturer of medical and surgical devices, such as
catheters, needles and syringes, sutures, thermometers and other specialized
disposable medical products with annual revenues of approximately $1.0 billion.
The products are distributed around the world with approximately 50 percent of
the sales coming from outside the United States. Sherwood will be integrated
with The Kendall Company within Tyco's Disposable and Specialty Products group.
The Company intends to account for this acquisition as a purchase.

ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS

        (a) Financial Statements of Business Acquired.

        It is impractical to provide the required financial information at the
time of filing this report. The required financial information will be filed by
amendment to this Form 8-K not later than May 13, 1998.

        (b) Pro Forma Financial Information.

        It is impractical to provide the required pro forma financial
information at the time of filing this report. The required pro forma financial
information will be filed by amendment to this Form 8-K not later than May 13,
1998.

        (c) Exhibits

Exhibit
Number                            Title
- -------                           -----

  2.1     Purchase Agreement dated December 20, 1997 by and among American
Cyanamid Company, American Home Products Corporation, AHP Subsidiary Holding
Corporation and Tyco International (US) Inc.

  2.2     Parent Guarantee of obligations dated December 20, 1997.

  2.3     First Amendment to Purchase Agreement dated February 27, 1998 by
and among American Cyanamid Company, American Home Products Corporation, AHP
Subsidiary Holding Corporation and Tyco International (US) Inc.

<PAGE>   3


                                   SIGNATURES

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



                            Tyco International Ltd.
                            
                            
                            
                            By:/s/ Mark H. Swartz
                               ------------------------------------------------
                               Mark H. Swartz
                               Executive Vice President-Chief Financial Officer



Date:  March 11, 1998


<PAGE>   4




                                  EXHIBIT INDEX

Exhibit
Number
- ------

2.1  Purchase Agreement dated December 20, 1997 by and among American Cyanamid
     Company, American Home Products Corporation, AHP Subsidiary Holding
     Corporation and Tyco International (US) Inc.

2.2  Parent Guarantee of obligations dated December 20, 1997.

2.3  First Amendment to Purchase Agreement dated February 27, 1998  by and
     among American Cyanamid Company, American Home Products Corporation, AHP
     Subsidiary Holding Corporation and Tyco International (US) Inc.



<PAGE>   1
                                                               EXHIBIT 2.1
                                                               EXECUTION COPY







                               PURCHASE AGREEMENT
                                  BY AND AMONG
                            AMERICAN CYANAMID COMPANY
                       AMERICAN HOME PRODUCTS CORPORATION
                       AHP SUBSIDIARY HOLDING CORPORATION
                                       AND
                          TYCO INTERNATIONAL (US) INC.















<PAGE>   2



                                TABLE OF CONTENTS
                                                                           PAGE

ARTICLE I.

DEFINITIONS...............................................................  2

ARTICLE II.

THE ACQUISITION........................................................... 15
         2.1.  PURCHASE AND SALE.......................................... 15
         2.2.  ASSUMPTION OF LIABILITIES.................................. 15

ARTICLE III.

CLOSING; PURCHASE PRICE ADJUSTMENT........................................ 16
         3.1.  THE CLOSING................................................ 16
         3.2.  DELIVERIES BY BUYER........................................ 16
         3.3.  DELIVERIES BY SELLERS...................................... 17
         3.4.  FURTHER ASSURANCES......................................... 18
         3.5.  CLOSING STATEMENT.......................................... 19
         3.6.  ADJUSTMENT OF PURCHASE PRICE............................... 20

ARTICLE IV.

REPRESENTATIONS AND WARRANTIES OF SELLERS................................. 21
         4.1.  ORGANIZATION, GOOD STANDING, POWER, ETC.................... 21
         4.2.  CAPITALIZATION OF THE COMPANIES............................ 22
         4.3.  EFFECT OF AGREEMENT........................................ 23
         4.4.  FINANCIAL STATEMENTS AND NET ASSET VALUE................... 23
         4.5.  ABSENCE OF CERTAIN CHANGES OR EVENTS....................... 24
         4.6.  TAXES...................................................... 24
         4.7.  REAL PROPERTY.............................................. 25
         4.8.  GOOD TITLE TO AND CONDITION OF ASSETS...................... 26
         4.9.  CONTRACTS.................................................. 26
         4.10.  INTELLECTUAL PROPERTY RIGHTS.............................. 27
         4.11.  LITIGATION AND CLAIMS..................................... 28
         4.12.  COMPLIANCE WITH LAW; APPLICABLE PERMITS................... 28
         4.13.  [INTENTIONALLY OMITTED]
                .......................................................... 29
         4.14.  FDA MATTERS............................................... 29
         4.15.  LABOR MATTERS............................................. 29
         4.16.  INSURANCE. ............................................... 29
         4.17.  BROKER'S FEES............................................. 29
         4.20.  NO OTHER REPRESENTATIONS OR WARRANTIES;
                           DISCLOSURE..................................... 30

ARTICLE V.

REPRESENTATIONS AND WARRANTIES OF BUYER .................................. 30
         5.1.  CORPORATE ORGANIZATION..................................... 30
         5.2.  AUTHORITY RELATIVE TO THIS AGREEMENT....................... 31
         5.3.  BROKER'S FEES.............................................. 31
         5.4.  CONSENTS AND APPROVALS; NO VIOLATIONS...................... 31
         5.5.  FINANCIAL CAPABILITY....................................... 32
         5.6.  SECURITIES ACT............................................. 32
               ........................................................... 32


                                       i


<PAGE>   3



         5.7.  NO OTHER REPRESENTATIONS OR WARRANTIES..................... 32

ARTICLE VI.

CONDUCT OF BUSINESS PENDING THE CLOSING................................... 32
         6.1.  CONDUCT OF BUSINESS PENDING THE CLOSING.................... 32
         6.2.  PERMITTED ACTIONS.......................................... 34

ARTICLE VII.

ADDITIONAL AGREEMENTS..................................................... 35
         7.1.  EXPENSES................................................... 35
         7.2.  ADDITIONAL AGREEMENTS...................................... 35
         7.3.  ACCESS TO INFORMATION...................................... 35
         7.4.  FILINGS AND AUTHORIZATIONS................................. 35
         7.5.  INFORMATION FOR OTHER FILINGS.............................. 36
         7.6.  TAX MATTERS................................................ 37
         7.7.  COVENANT NOT TO COMPETE.................................... 41
         7.8.  USE OF CERTAIN NAMES....................................... 43
         7.9.  ANCILLARY AGREEMENTS....................................... 43
         7.10.  TERMINATION OF SALE DISCUSSIONS........................... 43
         7.11.  REMOVAL OF INTERNATIONAL ASSETS........................... 43
         7.12.  EXCLUDED ASSETS AND LIABILITIES........................... 43
         7.13.  ACCESS TO RECORDS AFTER EFFECTIVE TIME.................... 44
         7.14.  DISCLOSURE SUPPLEMENT..................................... 44
         7.15.  AHP GUARANTY REMOVAL...................................... 44
         7.16.  COOPERATION............................................... 44
         7.17.  ASSUMPTION ............................................... 45

ARTICLE VIII.

CONDITIONS................................................................ 45
         8.1.  CONDITIONS TO OBLIGATION OF EACH PARTY TO EFFECT
                           THE TRANSACTIONS CONTEMPLATED BY THIS
                           AGREEMENT...................................... 45
         8.2.  CONDITIONS TO THE OBLIGATION OF SELLERS.................... 45
         8.3.  CONDITIONS TO THE OBLIGATION OF BUYER...................... 46

ARTICLE IX.

AGREEMENTS WITH RESPECT TO EMPLOYEES
AND EMPLOYEE BENEFITS..................................................... 47
         9.1.  U.S. EMPLOYEE PLANS........................................ 47
         9.2.  INTERNATIONAL PLANS........................................ 48
         9.3.  BUYER'S OBLIGATIONS TO EMPLOYEES........................... 49
         9.4.  TREATMENT OF SELLERS' U.S. EMPLOYEE PLANS AND
                           U.S. BENEFIT ARRANGEMENTS...................... 51
         9.5.  INTERNATIONAL EMPLOYEES OF THE EUROPEAN UNION
                           ("EU")......................................... 55
         9.6.  TREATMENT OF SELLERS' INTERNATIONAL PLANS.................. 55
         9.7.  STOCK OPTIONS.............................................. 57
         9.8.  NO THIRD PARTY BENEFICIARIES............................... 57

ARTICLE X.

TERMINATION, AMENDMENT AND WAIVER......................................... 58
         10.1.  TERMINATION............................................... 58


                                       ii

<PAGE>   4



         10.2.  EFFECT OF TERMINATION..................................... 58

ARTICLE XI.

INDEMNIFICATION........................................................... 59
         11.1.  INDEMNIFICATION........................................... 59
         11.2.  PROCEDURES................................................ 64
         11.3.  LIMITATIONS............................................... 65
         11.4.  INDEMNIFICATION AS SOLE REMEDY............................ 65

ARTICLE XII.

GENERAL PROVISIONS........................................................ 66
         12.1.  PUBLIC STATEMENTS......................................... 66
         12.2.  NOTICES.   ............................................... 66
         12.3.  SURVIVAL OF REPRESENTATIONS AND WARRANTIES................ 67
         12.4.  AMENDMENT. ............................................... 67
         12.5.  WAIVER.    ............................................... 67
         12.6.  PARTIES IN INTEREST....................................... 67
         12.7.  MISCELLANEOUS............................................. 68
         12.8.  DISCLOSURE SCHEDULE....................................... 68


                                      iii


<PAGE>   5



                               PURCHASE AGREEMENT


          This PURCHASE AGREEMENT dated as of December 20, 1997 (the
"Agreement") by and among AMERICAN CYANAMID COMPANY, a Maine corporation
("Cyanamid"), AMERICAN HOME PRODUCTS CORPORATION, a Delaware corporation
("AHP"), AHP SUBSIDIARY HOLDING CORPORATION, a Delaware corporation ("AHP Sub"
and, together with AHP and Cyanamid, "Sellers") and Tyco International, (US)
Inc., a Massachusetts corporation ("Buyer").

                              W I T N E S S E T H:

          WHEREAS, Sellers desire to sell to Buyer, and Buyer desires to acquire
from Sellers, the Business (as defined herein), which the parties agree will be
achieved pursuant to the purchase and sale of the Shares (as defined herein) and
the Assets (as defined herein), all on the terms and subject to the conditions
set forth herein;

          WHEREAS, AHP Sub owns and has the legal right and authority to sell,
transfer, assign and deliver 1,000 shares (the "Sherwood Shares") of common
stock, no par value per share, of SHERWOOD MEDICAL COMPANY, a Delaware
corporation ("Sherwood"), which shares constitute all of the issued and
outstanding shares of capital stock of Sherwood;

          WHEREAS, the Other Shares (as defined herein) included in the purchase
and sale are owned by the Share Transferor Entities (as defined herein) and
Sellers desire to sell to Buyer, and desire that such Share Transferor Entities
sell to Buyer, and Buyer desires to purchase from Sellers and such Share
Transferor Entities, the Other Shares;

          WHEREAS, the Assets included in the purchase and sale are owned by
Sellers and the Asset Transferor Entities and Sellers desire to sell to Buyer,
and Buyer desires to purchase from Sellers and the Asset Transferor Entities,
the Assets; and

          WHEREAS, in connection with such purchase and sale, Buyer is willing
to assume certain liabilities of Sellers and such Affiliates and to employ those
employees of Sellers and such Affiliates primarily engaged in the conduct of the
Business, all on the terms and conditions herein set forth.

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



                                       1



<PAGE>   6



                                   ARTICLE I.

                                   DEFINITIONS

          Whenever used in this Agreement, unless otherwise clearly indicated by
the context, the terms defined below shall have the indicated meanings:

          1.1. "ACCOUNTANT" shall have the meaning set forth in Section 3.5(c).

          1.2. "AFFILIATE" shall mean, with respect to any Person, any Person
which directly or indirectly through stock ownership or through other
arrangements either controls, or is controlled by or is under common control
with, such Person, PROVIDED, HOWEVER, for purposes of this Agreement the term
"Affiliate" shall not include (i) subsidiaries or other entities in which a
Person owns a majority of the ordinary voting power to elect the majority of the
board of directors or other governing board but is restricted from electing such
majority by contract or otherwise, until such time as such restrictions are no
longer in effect and (ii) the Joint Ventures.

          1.3. "AGREEMENT" shall mean this Agreement and any supplements,
amendments, exhibits and schedules hereto.

          1.4. "AGGRIEVED PARTY" shall have the meaning set forth in Section
11.2(i).

          1.5. "APPLICABLE LAWS" shall mean all laws, statutes, regulations and
ordinances of any Governmental Authority having jurisdiction over the Companies
or the Assets as may be in effect on or prior to the Closing.

          1.6. "APPLICABLE PERMITS" shall mean any waiver, exemption, variance,
permit, authorization, license or similar approval, required to be obtained or
maintained under Applicable Laws in connection with the Companies or the Assets.

          1.7. "ASSET TRANSFEROR ENTITIES" shall mean each Affiliate of AHP
transferring Assets pursuant to this Agreement. The Asset Transferor Entities
are listed in Section 1.7 of the DISCLOSURE SCHEDULE.

          1.8. "ASSETS" shall mean collectively, all assets of any kind, nature
and description owned by the Asset Transferor Entities and used primarily in the
Business (unless otherwise specifically described herein), but shall not include
the Shares and the Excluded Assets.


                                       2


<PAGE>   7



          1.9. "ASSUMED CONTRACTS" shall mean the Contracts primarily related to
the Business, which such Contracts are included in the Assets and are being
conveyed by the Asset Transferor Entities.

          1.10."ASSUMED LIABILITIES" shall mean any and all liabilities of
Sellers or the Asset Transferor Entities arising primarily out of the conduct of
the Business which exist on the Closing Date, other than Excluded Liabilities,
including without limitation (i) the obligations of Sellers or the Asset
Transferor Entities under the Assumed Contracts, (ii) any and all liabilities of
any of the Sellers, the Share Transferor Entities or the Asset Transferor
Entities which arise or may arise from the transfer of the Assumed Contracts to
Buyer or from any termination of such Assumed Contracts either by operation of
law as a result of the transactions contemplated herein or through the action of
Buyer, (iii) any and all liabilities to the Employees except to the extent any
such liability is retained by Sellers or any of the Asset Transferor Entities
pursuant to Article 9, and (iv) product liabilities of Sellers or their
Affiliates relating to occurrences of injuries after Closing caused by a product
of the Business. For purposes of clarity, it is understood that Assumed
Liabilities shall relate only to the purchase and sale of the Assets and that,
by operation of law, the liabilities of the Companies shall remain with the
Companies, subject to (w) Excluded Liabilities, (x) allocation of Taxes set
forth in Section 7.6, (y) employee matters set forth in Article 9, and (z) the
indemnity provisions set forth herein.

          1.11. "BASE NET ASSET VALUE" shall have the meaning set forth in
Section 3.6.

          1.12. "BOOKS AND RECORDS" shall mean the books and records of (i) the
Asset Transferor Entities, to the extent related primarily to the Business and
(ii) the Companies.

          1.13. "BUSINESS" shall mean the business of the Companies together
with the business conducted by the Asset Transferor Entities related primarily
to the manufacture, research, development, design, distribution and sale of
medical and surgical devices and products for or on behalf of the Companies, but
specifically excluding (i) the Excluded Assets, (ii) the Excluded Liabilities,
(iii) except as set forth on Section 1.13 of the DISCLOSURE SCHEDULE, the
businesses conducted by or related to Storz Instrument Company and Quinton
Instrument Company and (iv) the business of Sellers and its Affiliates relating
to "Tubex(R)".

          1.14. "CLOSING" shall have the meaning set forth in Section 3.1.


                                       3


<PAGE>   8


          1.15. "CLOSING DATE" shall have the meaning set forth in Section 3.1.

          1.16. "CLOSING NET ASSET VALUE" shall have the meaning set forth in
Section 3.5(a).

          1.17. "CLOSING STATEMENT" shall have the meaning set forth in Section
3.5(a).

          1.18. "CODE" shall mean the Internal Revenue Code of 1986, as amended.

          1.19. "COMPANIES" shall mean Sherwood, the Sherwood Subsidiaries and
the Other Companies.

          1.20. "COMPETITIVE BUSINESS" shall have the meaning set forth in
Section 7.7(b).

          1.21. "COMPETITION LAWS" shall mean all Applicable Laws that are
designed or intended to prohibit, restrict or regulate actions having the
purpose or effect of monopolization or restraint of trade.

          1.22. "CONSTITUENT DOCUMENTS" shall mean, with respect to any company,
such company's articles of incorporation and by-laws, or such other documents
prescribed by the Applicable Laws of such company's jurisdiction of
incorporation.

          1.23. "CONTRACTS" shall mean all leases, subleases, rental agreements,
insurance policies, sales orders, licenses, agreements, purchase orders,
instruments of indebtedness, guarantees and any and all other contracts or
binding arrangements relating primarily to the Business, but shall not include
any contracts or other binding arrangements related primarily to the Excluded
Assets or Excluded Liabilities.

          1.24. "COSTS" shall have the meanings set forth in Section 11.1(a).

          1.25. "DISCLOSURE SCHEDULE" shall mean that certain schedule
identified as such and delivered by Sellers to Buyer pursuant to the Agreement,
as the same may be supplemented and updated from time to time pursuant to the
Agreement.

          1.26. "DISTRIBUTION AGREEMENT" shall mean that certain distribution
agreement between Lederle (Japan) Ltd. and Sherwood on the principal terms set
forth in EXHIBIT A attached hereto.

          1.27. "EMPLOYEES" shall mean the Sherwood Employees and the Sherwood
International Employees.


                                       4


<PAGE>   9


          1.28. "ENCUMBRANCES" shall mean all claims, security interests, liens,
pledges, charges, escrows, options, proxies, rights of first refusal, preemptive
rights, mortgages, hypothecation, prior assignments, title retention agreements,
indentures, security agreements or any other encumbrances of any kind.

          1.29. "ENVIRONMENTAL LAWS" shall mean all Applicable Laws relating to
the protection or pollution of the environment, including the Comprehensive
Environmental Response Compensation and Liability Act, as amended (42 U.S.C. ss.
9601 ET SEQ.) ("CERCLA"), the Federal Solid Waste Disposal Act, as amended by
the Resource Conservation and Recovery Act and the Hazardous and Solid Waste
Amendments thereto, the Clean Air Act, the Clean Water Act, the Toxic Substances
Control Act, the Safe Drinking Water Act, and any similar or analogous statutes,
or regulations of any Governmental Authority, as each of the foregoing exists on
the date hereof.

          1.30. "ERISA" means the Employee Retirement Income Security Act of
1974, as amended.

          1.31. "ERISA AFFILIATE" of any entity means any other entity which,
together with such entity, would be treated as a single employer under Section
414 of the Code.

          1.32. "EXCLUDED ASSETS" shall mean the following assets of Sellers and
their Affiliates (all of which are expressly excluded from the purchase and sale
of the Business contemplated hereby):

          (i) cash, cash equivalents and marketable securities, subject to the
     provisions of Section 3.5(a);

          (ii) International Receivables;

          (iii) amounts included as goodwill for financial statement purposes;

          (iv) any interest in Lederle (Japan) Ltd.;

          (v) Tax Assets;

          (vi) intercompany assets;

          (vii) real property located 1055 at Dornoch Court, Otay Mesa,
     California;

          (viii) certain real property located in Manati, Puerto Rico,
     contiguous to a manufacturing facility included in the Real Property,
     identified as all of "Lot A and Lot D"


                                       5


<PAGE>   10



     on the site map (the "Map") previously delivered to Buyer. In addition,
     after the Closing Date, upon approval of the subdivision of the vertical
     portion of "Lot E-1" on the Map (which is a triangular parcel consisting of
     approximately 0.15 acres at the intersection of the southerly and easterly
     line of "Lot E"), then "Lot E-1" shall be transferred to Sellers by Buyer.
     In addition, Buyer shall provide an easement, approximately 30 feet deep
     from the common boundary of "Lot B" and "Lot E" along the existing fence
     line for a distance to permit continued use of the Sellers buildings that
     are built on "Lot E" for so long as the current buildings shall exist;

          (ix) real property located in Waterbury, Connecticut;

          (x) real property located in Deland, Florida which is not part of the
     manufacturing facility in Deland, Florida included in the Real Property;

          (xi) assets retained pursuant to the provisions of Article 9;

          (xii) the film/videotape library of Cyanamid relating to the Business
     as described in the appraisal previously delivered to Buyer;

          (xiii) use of real property of the Asset Transferor Entities listed in
     Section 1.32(xiv) of the DISCLOSURE SCHEDULE which is not primarily related
     to the Business located in integrated sites of Sellers and their
     Affiliates, to the extent not included in the Real Property;

          (xiv) title to the real property subject to the Lease Agreements; and

          (xv) the real property in Anyang, Korea.

For purposes of clarity, any Excluded Assets contained in any of the Companies
shall be distributed to Sellers pursuant to Section 6.2, and "Excluded Assets"
as used herein shall refer to assets of the Sellers, Companies and/or Asset
Transferor Entities.

          1.33. "EXCLUDED LIABILITIES" shall mean the following liabilities of
the Sellers and the Asset Transferor Entities (all of which are expressly
excluded from the purchase and sale of the Business contemplated hereby):

          (i) International Payables;

          (ii) Tax Liabilities which are retained by Sellers and their
Affiliates pursuant to Section 7.6;


                                       6


<PAGE>   11


          (iii) intercompany liabilities;

          (iv) liabilities retained pursuant to the provisions of Article 9; and

          (v) liabilities relating to the Excluded Assets.

For the purposes of clarity, it is understood that Excluded Liabilities shall
relate only to the purchase and sale of the Assets and that, by operation of
law, the liabilities of the Companies shall remain with the Companies, subject
to (x) allocation of Taxes set forth in Section 7.6, (y) employee matters set
forth in Article 9, and (z) the indemnity provisions set forth herein.

          1.34. "FDA" shall have the meaning set forth in Section 4.14.

          1.35. "FINAL NET ASSET VALUE" shall have the meaning set forth in
Section 3.5(c).

          1.36. "FINANCIAL STATEMENTS" shall have the meaning set forth in
Section 4.4(a).

          1.37. "GAAP" shall mean United States generally accepted accounting
principles.

          1.38. "GOVERNMENTAL AUTHORITY" shall mean any governmental department,
commission, board, bureau, agency, court or other instrumentality of the United
States, or any country, jurisdiction, municipality or other political
subdivision thereof where any of the Companies is now operating or has operated
or where any of the Assets are located.

          1.39. "HSR ACT" shall have the meaning set forth in Section 7.5.

          1.40. "HAZARDOUS SUBSTANCE" shall mean any hazardous substance as that
term is defined in CERCLA and petroleum, including crude oil or any fraction
thereof, and natural gas in its various forms.

          1.41. "INDEMNIFYING PARTY" shall have the meaning set forth in Section
11.2(i).

          1.42. "INTELLECTUAL PROPERTY" shall mean all (i) Patents, (ii)
Know-how, (iii) Trademarks and (iv) copyrights, copyright registrations and
applications for registration, inventions, designs, industrial and utility
models (including registrations and applications for registration thereof),
trade secrets and all other intellectual property rights whether


                                       7


<PAGE>   12



registered or not, in each case which are licensed to or owned by (x) Sellers or
the Asset Transferor Entities and exclusively applicable to the Business,
provided that Sellers or the Asset Transferor Entities shall grant perpetual,
assignable royalty-free non-exclusive licenses or sublicenses (to the extent
that Sellers or the Asset Transferor Entities, as the case may be, have the
right to grant royalty-free, assignable sublicenses thereunder) to all of the
rights (defined in subparagraphs (i) through (iv) above) licensed to Sellers or
the Asset Transferor Entities, as the case may be, to the extent applicable to
the Business as currently conducted; or (y) any of the Companies.

          1.43. "INTERNATIONAL PAYABLES" shall mean accounts payable and related
accruals of the Asset Transferor Entities relating to the Business outside of
the United States (except for such Asset Transferor Entities set forth in
Section 1.43 of the DISCLOSURE SCHEDULE.)

          1.44. "INTERNATIONAL PLANS" means the plans and arrangements
referenced in the first sentence of Section 9.2(a).

          1.45. "INTERNATIONAL RECEIVABLES" shall mean accounts receivable of
the Asset Transferor Entities relating to the Business outside of the United
States (except for such Asset Transferor Entities set forth in Section 1.45 of
the DISCLOSURE SCHEDULE.)

          1.46. "JOINT VENTURES" shall mean B. Braun-Dexon S.A., a Spanish
company, B. Braun-Dexon (Portugal) Produtos Hospitalares Lda., a Portuguese
company, B. Braun-Dexon GmbH, a German corporation, and Nippon Sherwood Medical
Industries Ltd., a Japanese corporation.

          1.47. "JOINT VENTURE INTEREST" shall mean the equity interest of each
of the Joint Ventures held by Sellers or their Affiliates, each of which is
described more fully in Section 1.47 of the DISCLOSURE SCHEDULE.

          1.48. "KNOW-HOW" shall mean all product specifications, processes,
product designs, plans, ideas, concepts, manufacturing, engineering and other
manuals and drawings, technical information, software including source code and
object code instructions for controlling the operation of a central processing
unit together with any corresponding documentation, data, research records, all
promotional literature, customer and supplier lists and similar data and
information, and all other confidential or proprietary technical and business
information (regardless of the recording medium), licensed to or owned by (x)
Sellers or the Asset Transferor Entities and exclusively applicable to the
Business, provided that Sellers or the Asset Transferor Entities shall grant


                                       8


<PAGE>   13



perpetual, assignable royalty-free non-exclusive licenses or sublicenses (to the
extent that Sellers or the Asset Transferor Entities, as the case may be, have
the right to grant royalty-free, assignable sublicenses thereunder) to all of
the rights (defined in this Section 1.48) licensed to Sellers or the Asset
Transferor Entities, as the case may be, to the extent applicable to the
Business as currently conducted; or (y) any of the Companies.

          1.49. "LEASE AGREEMENTS" shall mean those certain lease agreements to
be entered into as of the Closing Date between Sellers, or certain of their
Affiliates, and Buyer, with respect to the facilities located in Bothell,
Washington, and Gosport, England, on the principal terms set forth in EXHIBIT B
attached hereto.

          1.50. "LEASED REAL PROPERTY" shall mean all real property, including
any buildings, structures, fixtures and improvements thereon or appurtenances
thereto leased by (x) Sellers or the Asset Transferor Entities and used
primarily for the Business or (y) any of the Companies, other than Excluded
Assets.

          1.51. "LICENSE AGREEMENT" shall mean a license agreement between
Quinton Instrument Company and Sherwood relating to the "Quinton" catheter
intellectual property on mutually acceptable terms and conditions.

          1.52. "MATERIAL ADVERSE CHANGE" shall mean a change that has had a
Material Adverse Effect.

          1.53. "MATERIAL ADVERSE EFFECT" shall have the meaning set forth in
Section 4.1(a).

          1.54. "MINIMUM LOSS" shall have the meaning set forth in Section
11.3(a).

          1.55. "MULTIEMPLOYER PLAN" means each U.S. Employee Plan that is a
multiemployer plan, as defined in Section 3(37) of ERISA.

          1.56. "NET ASSETS" shall mean the Assets and the total assets of the
Companies (excluding the Excluded Assets), MINUS the sum of the Assumed
Liabilities and the total liabilities of the Companies (excluding the Excluded
Liabilities).

          1.57. "NET INTERNATIONAL RECEIVABLES" shall mean the net amount of
International Receivables after deducting International Payables.


                                       9


<PAGE>   14


          1.58. "OPERATING PROFIT" shall mean the amount calculated from the
line items set forth on the Statements of Operating Profit included in the
Financial Statements as follows: Net Sales less the sum of the following: Cost
of Goods Sold (including royalty payments); Marketing; Selling; Storage,
Packaging & Shipping; Administrative; Research & Development; and General
Expense, and excluding the following: amortization of goodwill and incentive
compensation costs.

          1.59. "OTHER COMPANIES" shall mean those entities (other than Sherwood
and the Sherwood Subsidiaries) that are directly or indirectly wholly-owned by
Sellers or their Affiliates and are exclusively engaged in the conduct of the
Business, each of which is listed in Section 1.59 of the DISCLOSURE SCHEDULE.

          1.60. "OTHER SHARES" shall mean all outstanding shares of capital
stock of the Other Companies.

          1.61. "OWNED REAL PROPERTY" shall mean all real property, including
any buildings, structures and improvements thereon or appurtenances thereto
owned by (x) Sellers or the Asset Transferor Entities and used primarily for the
Business, all of which are listed in Section 1.61 of the DISCLOSURE SCHEDULE, or
(y) any of the Companies, other than the Excluded Assets.

          1.62. "PATENTS" shall mean all domestic and foreign patents and patent
applications (including, without limitation, all counterparts thereof in any
other country and all reissues, divisions, continuations, continuations-in-part,
renewals and extensions of the foregoing) which are licensed to or owned by (x)
Sellers or the Asset Transferor Entities and exclusively applicable to the
Business, provided that Sellers or the Asset Transferor Entities shall grant
perpetual assignable royalty-free non-exclusive licenses or sublicenses (to the
extent that Sellers or the Asset Transferor Entities, as the case may be, have
the right to grant royalty-free, assignable sublicenses thereunder) to all of
the rights (defined in this Section 1.62) licensed to Sellers or the Asset
Transferor Entities, as the case may be, to the extent applicable to the
Business as currently conducted; or (y) any of the Companies.

          1.63. "PENSION PLAN" or "PENSION PLANS" means an employee pension
benefit plan (as such term is defined in Section 3(2) of ERISA) that is intended
to qualify under Section 401(a) of the Code, is subject to the funding
requirements of Section 412 of the Code and is maintained by Sellers or an ERISA
Affiliate.


                                       10


<PAGE>   15


          1.64. "PERMITTED ASSIGNEES" shall mean any Affiliate of Tyco
International Ltd., a Bermuda company, and the ultimate parent of Buyer.

          1.65. "PERMITTED ENCUMBRANCES" shall mean (i) any Encumbrances
specifically disclosed in the Financial Statements, (ii) liens for Taxes,
assessments and other governmental charges not yet due and payable, (iii)
immaterial mechanics', workmen's, repairmen's, warehousemen's, carriers' or
other like liens arising or incurred in the ordinary course of business, and
equipment leases with third parties entered into in the ordinary course of
business or other Encumbrances that are a matter of public record, (iv) with
respect to Real Property, (A) easements, quasi-easements, licenses, covenants,
rights-of-way, and other similar restrictions, including without limitation any
other agreements, conditions or restrictions, in each case, which are a matter
of public record, (B) any conditions that would be shown by a current survey or
physical inspection and (C) zoning, building and other similar restrictions
pursuant to Applicable Laws, and (v) other Encumbrances which, individually or
in the aggregate, are not material and would not be required to be disclosed or
reflected on a combined balance sheet of the Business, prepared in accordance
with GAAP.

          1.66. "PERSON" shall mean an individual, a corporation, a partnership,
an association, a trust or other entity or organization, including a government
or political subdivision or an agency or instrumentality thereof.

          1.67. "PURCHASE PRICE" shall have the meaning set forth in Section
2.1.

          1.68. "QUINTON INSTRUMENT COMPANY" shall mean Quinton Instrument
Company, a Washington corporation, and an indirect wholly-owned subsidiary of
AHP.

          1.69. "REAL PROPERTY" shall mean the Owned Real Property and the
Leased Real Property.

          1.70. "RELEASE" shall mean any release, spill, emission, leaking,
pumping, injection, deposit, disposal, discharge, dispersal or leaching of
Hazardous Substances into the environment.

          1.71. "SECTION 338 TAXES" shall mean any Taxes that would not have
been imposed but for the Section 338 (h)(10) Elections or any elections under
state, local or other Tax law that are required to be made or deemed to have
been made as a result of any Section 338(h)(10) Elections.


                                       11


<PAGE>   16


          1.72. "SECURITIES ACT" shall mean the Securities Act of 1933, as
amended.

          1.73. "SERVICES AGREEMENT" shall mean that certain Agreement to be
entered into between Sellers or certain of their Affiliates and Buyer regarding
the services to be provided at the Manati Puerto Rico facility, on the principal
terms set forth in EXHIBIT C, attached hereto.

          1.74. "SHARES" shall mean the Sherwood Shares, the Other Shares and
the Joint Venture Interests.

          1.75. "SHARE TRANSFEROR ENTITIES" shall mean each Affiliate of AHP
transferring Shares pursuant to this Agreement. The Share Transferor Entities
are listed in Section 1.75 of the DISCLOSURE SCHEDULE.

          1.76. "SHERWOOD" shall have the meaning set forth in the second
WHEREAS clause of this Agreement.

          1.77. "SHERWOOD EMPLOYEES" shall mean (i) all individuals who, on the
Closing Date, are actively employed in the United States, including Puerto Rico,
by any of the Companies, (ii) all individuals who, on the Closing Date, are
actively employed by Quinton Instrument Company and are primarily dedicated to
the catheter business or the Angio-Seal business and listed in Section 1.77 of
the DISCLOSURE SCHEDULE; (iii) the attorneys listed in Section 1.77 of the
DISCLOSURE SCHEDULE who are primarily dedicated to the Business; and (iv) all
individuals who would have been included in subsections (i), (ii) and (iii)
above, if they were actively employed on the Closing Date, but who are on
short-term disability leave and are not reasonably likely to be candidates for
long-term disability, authorized leave of absence or military service or lay-off
with recall rights from any of the Companies, AHP or Quinton Instrument Company
as of the Closing Date.

          1.78. "SHERWOOD INTERNATIONAL EMPLOYEES" shall mean (i) all
individuals who, on the Closing Date, are actively employed outside of the
United States by (x) any of the Asset Transferor Entities and whose employment
and responsibilities relate primarily to the Business, or (y) any of the
Companies; and (ii) those employees of Sellers or any Affiliate of Sellers whose
primary responsibility and employment is to provide back office or host support
to the Business and are listed on Section 1.78 of the DISCLOSURE SCHEDULE; and
(iii) all individuals outside of the United States who would have been included
in subsections (i) or (ii) above, if they were on short-term disability leave
and are not reasonably likely to be candidates for long-term disability,
authorized leave of absence or military


                                       12


<PAGE>   17


service or lay-off with recall rights from any of the Companies or Asset
Transferor Entities as of the Closing Date; provided, however, that individuals
employed in the manufacturing operations in Anyang, Korea, as listed in Section
1.78 of the DISCLOSURE SCHEDULE, shall not be considered Sherwood International
Employees and shall not be transferred in the transactions contemplated herein.

          1.79. "SHERWOOD SHARES" shall have the meaning set forth in the second
WHEREAS clause of this Agreement.

          1.80. "SHERWOOD SUBSIDIARIES" shall mean all Subsidiaries directly or
indirectly owned by Sherwood, each of which is set forth in Section 1.80 of the
DISCLOSURE SCHEDULE.

          1.81. "STORZ INSTRUMENT COMPANY" shall mean Storz Instrument Company,
a Missouri company.

          1.82. "STRADDLE PERIOD" shall mean any taxable year or period
beginning before and ending after the Closing Date.

          1.83. "SUBSIDIARY" shall mean, as to any Person, any corporation,
partnership or joint venture, of which (or in which) such Person, together with
one or more of its Subsidiaries, owns more than 50% of the interest in the
capital or profits of such corporation, partnership or joint venture; provided,
however, that for purposes of this Agreement, the Joint Ventures and Lederle
(Japan) Ltd. shall not be considered to be Subsidiaries.

          1.84. "SUPPLY AGREEMENT" shall mean the supply agreement related to
certain products in finished packaged form to be provided by Sellers or their
Affiliates to Buyer, on the principal terms set forth in EXHIBIT D, attached
hereto.

          1.85. "TAX AFFILIATE" of a Person shall mean any Affiliate of said
Person which was included, or includable, in a consolidated, combined or unitary
Tax Return in which such Person was included as a member.

          1.86. "TAX ASSETS" shall mean all assets comprising receivables or
deferred assets or prepayments for Taxes (excluding value added taxes ("VAT"))
for taxable periods (or portions thereof) ending on or before the Closing Date.

          1.87. "TAX LIABILITIES" shall mean all liabilities for Taxes
(excluding VAT) imposed on Sellers and their Affiliates with respect to the
Business ending on or before the Closing Date.


                                       13


<PAGE>   18


          1.88. "TAX RETURNS" shall mean all reports, returns, schedules and any
other documents required to be filed with respect to Taxes and all claims for
refunds of Taxes.

          1.89. "TAX SHARING ARRANGEMENT" shall mean any written or unwritten
agreement or arrangement for the allocation or payment of Tax Liabilities or
payment for Tax benefits with respect to a consolidated, combined or unitary Tax
Return which Tax Return includes any of the Companies.

          1.90. "TAXES" (and with correlative meanings, "TAX" and "TAXABLE")
shall mean all taxes of any kind imposed by a federal, state, local or foreign
Governmental Authority, and any payments made to another party pursuant to a Tax
Sharing Arrangement, indemnity or other similar arrangement, including but not
limited to those on, or measured by or referred to as income, gross receipts,
financial operation, sales, use, ad valorem, value added, franchise, profits,
license, withholding, payroll (including all contributions or premiums pursuant
to industry or governmental social security laws or pursuant to other tax laws
and regulations), employment, excise, severance, stamp, occupation, premium,
property, transfer or windfall profits taxes, customs, duties or similar fees,
assessments or charges of any kind whatsoever, together with any interest and
any penalties, additions to tax or additional amounts imposed by such
Governmental Authority with respect to such amounts.

          1.91. "TRADEMARKS" shall mean (i) all domestic and foreign trademarks,
service marks, trade names, trade dress, labels, logos and all other names and
slogans associated with any products or embodying associated goodwill of the
Business related to such products, whether or not registered, and any
applications or registrations therefor, and (ii) any associated goodwill
incident thereto, in each case owned by or licensed to (x) Sellers and the Asset
Transferor Entities and used or intended for use exclusively in the Business or
(y) the Companies provided that Sellers or the Asset Transferor Entities shall
grant perpetual, assignable royalty-free non-exclusive licenses or sublicenses
(to the extent that Sellers or the Asset Transferor Entities, as the case may
be, have the right to grant royalty-free, assignable sublicenses thereunder) to
use in the Business such trademarks, trade names, etc., which are otherwise
applicable to the Business as currently conducted, except for the Names as to
which Buyer receives only those rights set forth in Section 7.8. The parties
acknowledge and agree that their mutual intent is to transfer from Sellers and
the Asset Transferor Entities the full right, title and interest to the
Trademarks including the right to use the Trademarks in regard to products and
services in classes not yet utilized but relating to the Business as of the
Closing Date. Sellers and the Asset Transferor Entities covenant and agree not
to utilize or to




                                       14
<PAGE>   19


register anywhere in the world any trademarks, service marks, tradenames, trade
dress, logos, slogans or expressions that are identical or phonetically
identical to the Trademarks defined by this Section 1.91 to identify any medical
devices, (specifically excluding pharmaceutical, agricultural chemical and
animal health products), applicable to the Business as conducted on the Closing
Date.

          1.92. "TRANSITION SERVICES AGREEMENTS" shall mean the transition
services agreements, for a period of up to 18 months, to be entered into between
Sellers or their Affiliates and Buyer on mutually acceptable terms and
conditions, provided that Sellers or their Affiliates will provide substantially
similar services related to specific locations, to the extent appropriate, as
are currently provided at the specified locations and at the same costs as are
currently reflected in the Financial Statements.

          1.93. "U.S. BENEFIT ARRANGEMENTS" mean the arrangements referenced in
the first sentence of Section 9.1(d).

          1.94. "U.S. EMPLOYEE PLAN" means any plan referenced in the first
sentence of Section 9.1(a).

          Additional definitions are set forth in Article 9 and elsewhere in
this Agreement.

                                   ARTICLE II.

                                 THE ACQUISITION

          2.1. PURCHASE AND SALE. Upon the terms and subject to the conditions
of this Agreement, (1) Sellers shall (and shall cause the Share Transferor
Entities and the Asset Transferor Entities to) sell, assign, transfer and
deliver to Buyer the Shares and the Assets, and (2) Buyer shall purchase and
accept the Shares and the Assets from Sellers and such Share Transferor Entities
and Asset Transferor Entities, subject to the Assumed Liabilities, for an
aggregate purchase price of ONE BILLION SEVEN HUNDRED SEVENTY MILLION DOLLARS
($1,770,000,000), payable at Closing, subject to adjustment as provided in
Section 3.6 (the price as so adjusted is herein called the "Purchase Price").

          2.2. ASSUMPTION OF LIABILITIES. With respect to the purchase and sale
of the Assets, in addition to payment of the Purchase Price and pursuant to
assumption agreements to be executed and delivered in accordance with Section
3.2(h), Buyer will, assume at the Closing and subsequently, in due course, pay,
honor and discharge all of the Assumed Liabilities.


                                       15


<PAGE>   20


                                  ARTICLE III.

                       CLOSING; PURCHASE PRICE ADJUSTMENT


          3.1. THE CLOSING. Unless this Agreement shall have been terminated, on
the terms and subject to the conditions of this Agreement, the closing of the
sale and purchase of the Shares and the Assets and the consummation of the other
transactions contemplated hereby (the "Closing") shall take place at the offices
of American Home Products Corporation, Five Giralda Farms, Madison, New Jersey
07940 on the later of January 30, 1998 or the next succeeding business day on
which the last to be fulfilled or waived of the conditions set forth in Article
8 shall be fulfilled or waived in accordance with this Agreement or at such
other time, date or place as the parties may mutually agree upon in writing (the
"Closing Date"). At the Closing, the parties to this Agreement will exchange
funds, certificates and other documents specified in this Agreement. For
purposes of this Agreement, the Closing will be treated as if it occurred at the
close of business at each location of the Business on the Closing Date.

          3.2. DELIVERIES BY BUYER. At the Closing, Buyer shall deliver, or
cause to be delivered, to Sellers the following:

          (a) the amount of the Purchase Price specified in Section 2.1 to be
paid at Closing, payable by wire transfer of immediately available funds on the
Closing Date to an account specified in writing by Sellers, with such notice to
be delivered no less than two business days prior to the Closing Date;

          (b) the certificate by an officer of Buyer required to be delivered
pursuant to Section 8.2(d);

          (c) a certificate, signed by an authorized officer of Buyer,
certifying (i) the due organization and good standing of Buyer, (ii) the
corporate resolutions of Buyer authorizing the transactions contemplated by this
Agreement, and (iii) the incumbency of the officer of Buyer executing this
Agreement and the other agreements, instruments or certificates delivered upon
the Closing;

          (d) the Transition Services Agreement, duly executed by Buyer;

          (e) the Lease Agreements, duly executed by Buyer;

          (f) the Services Agreement, duly executed by Buyer;

          (g) the Supply Agreement, duly executed by Buyer;


                                       16


<PAGE>   21


          (h) such instruments of assumption and other certificates, instruments
or documents, in form and substance reasonably acceptable to Sellers, as may be
necessary to effect Buyer's assumption under Applicable Laws of the Assumed
Liabilities; and

          (i) such other instruments and documents, in form and substance
reasonably acceptable to Sellers, as may be reasonably necessary to effect the
Closing.

          3.3. DELIVERIES BY SELLERS. At the Closing, Sellers shall deliver, or
cause to be delivered by their Affiliates, to Buyer the following:

          (a) certificates representing the Shares duly endorsed for transfer to
Buyer or accompanied by stock powers duly executed in blank, or, in the case of
Shares of foreign companies, evidence of the transfer of such Shares in
accordance with the Applicable Laws of the jurisdictions in which such foreign
companies are organized;

          (b) the certificate by officers of Sellers required to be delivered
pursuant to Section 8.3(c);

          (c) a certificate, signed by an authorized officer of each of the
Sellers, certifying (i) the due organization and good standing of Sellers, (ii)
the corporate resolutions of Sellers authorizing the transactions contemplated
by this Agreement, and (iii) the incumbency of officers of the Sellers executing
this Agreement and the other agreements, instruments or certificates delivered
upon the Closing;

          (d) the stock books, stock ledgers, minute books and corporate seals
of each of the Companies;

          (e) the Transition Services Agreements, duly executed by AHP or one of
its Affiliates;

          (f) the Lease Agreements, duly executed by AHP or one of its
Affiliates;

          (g) the Services Agreement, duly executed by AHP or one of its
Affiliates;

          (h) the Supply Agreement, duly executed by AHP or one of its
Affiliates;

          (i) the License Agreement, fully executed by Sherwood and Quinton
Instrument Company;


                                       17


<PAGE>   22


          (j) bills of sale, deeds and any other appropriate instruments of sale
and conveyance, in form and substance reasonably acceptable to Buyer,
transferring under Applicable Laws all real property or tangible personal
property included in the Assets to Buyer or its Affiliates;

          (k) bills of sale and any other appropriate instruments of sale and
conveyance, in form and substance reasonably acceptable to Buyer, transferring
under Applicable Laws all Intellectual Property included within the Assets to
Buyer or its Affiliates. Sellers shall reimburse Buyer 50% of reasonable
out-of-pocket expenses paid by Buyer to prepare and record such documents for
Intellectual Property not in the name of the Company prior to Closing.

          (l) assignments or, where necessary, subleases, in form and substance
reasonably acceptable to Buyer, assigning or subleasing to Buyer or its
Affiliates under Applicable Laws all Assumed Contracts;

          (m) such instruments of cancellation and other appropriate documents,
in form and substance reasonably acceptable to Buyer, cancelling all loans or
other obligations for borrowed money owed by any of the Companies to Sellers or
any of their Affiliates (other than the Companies), duly executed by Sellers or
such Affiliates, as the case may be;

          (n) such other instruments and documents, in form and substance
reasonably acceptable to Buyer and Sellers, as may be reasonably necessary to
effect the Closing; and

          (o) letters of resignation executed by the directors of each of the
Companies and such letters executed by officers of the Companies as shall be
requested by Buyer.

          3.4. FURTHER ASSURANCES. (a) From time to time, at Buyer's or Sellers'
request and in accordance with Section 7.2, whether at or after the Closing
Date, Buyer or Sellers, as the case may be, shall, and shall cause their
respective Affiliates to, execute and deliver such further instruments of
conveyance, transfer and assignment, cooperate and assist in providing
information for making and completing regulatory filings, and take such other
actions as Buyer or Sellers, as the case may be, may reasonably require of the
other party to more effectively assign, convey and transfer to such party the
Shares and the Assets, and to assume the Assumed Liabilities, as contemplated by
this Agreement.

          (b) To the extent that the assignment of any Assumed Contract or other
Asset to Buyer hereunder shall require the consent of the other party thereto,
this Agreement shall not


                                       18


<PAGE>   23



constitute an agreement to assign the same if an attempted assignment would
constitute a breach thereof. Sellers will use their diligent efforts to obtain
the consent of the other parties to such Assumed Contracts for the assignment
thereof to Buyer, PROVIDED, HOWEVER, that Sellers shall not be obligated to make
any payment or take any other action detrimental to Sellers to obtain any such
consent. If any such consent is not obtained, Sellers shall, and shall cause
their Affiliates to, cooperate with Buyer in any arrangement reasonably
requested by Buyer to provide for Buyer the benefits under any such Contract,
including the enforcement at the cost of and for the benefit of Buyer of any and
all rights thereunder of Sellers or their respective Affiliates against the
other party thereto.

          3.5. CLOSING STATEMENT. (a) As promptly as practicable, but no later
than 90 days after the Closing Date, Sellers, at their own expense, will cause
to be prepared in accordance with GAAP, consistently applied, and delivered to
Buyer a combined adjusted statement, together with notes thereto, of the Net
Assets (which shall include any cash, cash equivalents and marketable securities
remaining in any of the Companies at the Closing) as of the close of business on
the Closing Date (the "Closing Statement") including a schedule based on such
Closing Statement setting forth Sellers' calculation of the value of the Net
Assets as of the Closing Date (the "Closing Net Asset Value"), which statement
will indicate but not include (i) the Net International Receivables as of the
Closing Date or (ii) any goodwill or other intangibles associated with
acquisitions subsequent to December 31, 1996. The Closing Statement shall
include line items and notes substantially consistent with those of the
statement of Net Assets as of December 31, 1996 included in the Financial
Statements. Buyer, at its own expense, shall cause the Companies and Buyer's
Affiliates and their respective employees to assist Sellers in the preparation
of the Closing Statement and shall provide Sellers and their independent
auditors, Arthur Andersen LLP ("Andersen"), access at all reasonable times to
the personnel, properties and Books and Records relating to the Business for
such purpose. The Closing Statement shall be accompanied by an audit report from
Andersen stating that in its opinion the Closing Statement presents fairly, in
all material respects, the Net Assets as of the Closing Date in conformity with
GAAP, consistently applied, and pursuant to the terms of this Agreement. The
Closing Statement and the accompanying audit report are collectively referred to
as the "Section 3.5(a) Documents".

          (b) If Buyer disagrees with Sellers' calculation of Closing Net Asset
Value contained in the Section 3.5(a) Documents, Buyer may, within 45 days after
delivery of the Section 3.5(a) Documents, deliver a notice to Sellers
disagreeing with such calculation and setting forth Buyer's calculation of


                                       19


<PAGE>   24



such amount ("Notice of Disagreement"). Any such Notice of Disagreement shall
specify those items or amounts as to which Buyer disagrees, and Buyer shall be
deemed to have agreed with all other items and amounts contained in the Section
3.5(a) Documents.

          (c) If a Notice of Disagreement shall be duly and timely delivered
pursuant to Section 3.5(b), the parties shall, during the 15 days following such
delivery, use their diligent efforts to reach agreement on the disputed items or
amounts in order to determine, as may be required, the amount of Closing Net
Asset Value, which amount shall not be more than the amount thereof shown in the
Section 3.5(a) Documents nor less than the amount thereof shown in the Notice of
Disagreement. If, during such period, the parties are unable to reach agreement,
they shall promptly thereafter cause a mutually acceptable firm of nationally
recognized independent public accountants (the "Accountant") promptly to review
this Agreement, the appropriate Books and Records and the disputed items or
amounts for the purpose of calculating Closing Net Asset Value. In making such
determination, the Accountant shall consider only those items or amounts in the
Closing Statement or Sellers' determination of Closing Net Asset Value as to
which Buyer has disagreed. The Accountant shall deliver to Sellers and Buyer, as
promptly as practicable, a report setting forth such calculation. Such report
shall be final and binding upon the parties hereto. The cost of such review and
report shall be borne (i) by the party whose calculation or calculations, taken
together, were furthest from that of the Accountant, or (ii) otherwise equally
by Sellers and Buyer. "Final Net Asset Value" means (A) Closing Net Asset Value
as shown in the Sellers' calculation delivered pursuant to Section 3.5(a) if no
Notice of Disagreement with respect thereto is duly and timely delivered, (B)
the amount agreed upon by the parties pursuant to this Section 3.5(c) or (C) in
the absence of such agreement, the amount as shown in the Accountant's
calculation delivered pursuant to this Section 3.5(c); PROVIDED that Final Net
Asset Value shall not in any event be more than Sellers' calculation delivered
pursuant to Section 3.5(a) nor less than Buyer's calculation pursuant to Section
3.5(b).

          3.6. ADJUSTMENT OF PURCHASE PRICE. (a) If the amount of $550.4 million
("Base Net Asset Value") exceeds the Final Net Asset Value, Sellers shall pay to
Buyer, as an adjustment to the Purchase Price, in the manner and with interest
as provided in Section 3.6(b), the amount of such excess. If the Final Net Asset
Value exceeds Base Net Asset Value, Buyer shall pay to Sellers, as an adjustment
to the Purchase Price, in the manner and with interest as provided in Section
3.6(b), the amount of such excess. Any such payment pursuant to this Section
3.6(a) shall be made (i) within 30 days after Sellers' delivery of the Section
3.5(a) Documents if no Notice of Disagreement with


                                       20


<PAGE>   25



respect to Closing Net Asset Value is duly and timely delivered pursuant to
Section 3.5(b) or (ii) if a Notice of Disagreement with respect to Closing Net
Asset Value is duly and timely delivered pursuant to Section 3.5(b), then within
10 days after the earlier of (A) agreement between the parties pursuant to
Section 3.5(c) with respect to Closing Net Asset Value or (B) delivery of the
Accountant's calculation of Final Net Asset Value pursuant to Section 3.5(c).

          (b) Any payment made pursuant to this Section 3.6 shall be made by
wire transfer or by delivery to the payee of the required amount in immediately
available funds to such account as the payee shall have designated for such
purpose at least two (2) days prior to the date of the required payment (or, if
not so designated, by certified or official bank check payable in immediately
available funds to the order of the payee in such amount). The amount to be paid
under this Section shall bear interest from and including the Closing Date to
the date of payment at a rate per annum equal to the rate publicly announced by
Chase Manhattan Bank in New York, New York as its prime rate in effect on the
Closing Date. Interest shall be calculated daily on the basis of a year of 365
days and the actual number of days for which interest is due.

                                   ARTICLE IV.

                    REPRESENTATIONS AND WARRANTIES OF SELLERS

          Sellers hereby jointly and severally represent and warrant to Buyer as
follows:

          4.1. ORGANIZATION, GOOD STANDING, POWER, ETC. (a) Each of the
Companies is a corporation duly organized, validly existing and in good standing
under the laws of the jurisdiction in which it is incorporated. Each of the
Companies has the requisite corporate power and authority to own, operate or
lease the properties that it purports to own, operate or lease and to carry on
its business as it is now being conducted and is duly licensed or qualified as a
foreign corporation in each domestic or foreign jurisdiction in which the nature
of the business conducted by it or the character or location of the properties
owned or leased by it makes such licensing or qualification necessary, except
where the failure to be so licensed or qualified would not reasonably be
expected to have a material adverse effect on the assets, business, operations
or financial condition of the Business (a "Material Adverse Effect"). Copies of
the Constituent Documents of each of the Companies heretofore delivered,
furnished or made available to Buyer or its representatives by Sellers, are, as
of the date hereof, true and complete in all material respects and in full force
and effect, and none of the Companies is in violation or breach of any of the


                                       21


<PAGE>   26


provisions of its respective Constituent Documents in any material respect.

          (b) Each Seller is a corporation duly organized, validly existing and
in good standing under the laws of the jurisdiction in which it is incorporated.
Each Seller has the requisite corporate power and authority to execute and
deliver this Agreement and the other agreements contemplated hereby, and Sellers
and their Affiliates involved in the conduct of the Business have all requisite
corporate power and authority to consummate the transactions contemplated hereby
and thereby. The execution and delivery of this Agreement by Sellers, the
execution and delivery by Sellers and such Affiliates of the other agreements
contemplated hereby, and the consummation by Sellers and such Affiliates of the
transactions contemplated hereby and thereby have been duly authorized by all
necessary corporate action on the part of Sellers and such Affiliates and no
other or further corporate proceedings will be necessary for the execution and
delivery of such agreements by Sellers and such Affiliates, the performance by
Sellers and such Affiliates of their obligations hereunder and thereunder and
the consummation by Sellers and such Affiliates of the transactions contemplated
hereby and thereby. This Agreement has been duly executed and delivered by each
of the Sellers and constitutes a legal, valid and binding obligation of each of
the Sellers enforceable against Sellers in accordance with its terms, except as
the same may be limited by bankruptcy, insolvency, moratorium, reorganization or
other laws of general applicability relating to or affecting the enforcement of
creditors' rights and general principles of equity.

          4.2. CAPITALIZATION OF THE COMPANIES. (a) As of the date of this
Agreement, the authorized and issued capital stock of Sherwood consists of 1,000
shares of Common Stock, no par value per share, all of which are validly issued,
outstanding, fully paid and non-assessable. As of the date of this Agreement,
the authorized and issued capital stock of each of the Sherwood Subsidiaries and
the Other Companies is set forth in Section 4.2(a) of the DISCLOSURE SCHEDULE;
all shares of such capital stock are validly issued, outstanding, fully paid and
non-assessable. Except for the Sherwood Subsidiaries and the Joint Venture
Interests, and except as set forth in Section 4.2(a) of the DISCLOSURE SCHEDULE,
none of the Companies owns any interest in any corporation, partnership, joint
venture or similar entity, including Affiliates of Sellers. Except as set forth
in Section 4.2(a) of the DISCLOSURE SCHEDULE, there are no options, warrants or
other rights, agreements, arrangements or commitments of any character
obligating any of the Companies to issue or sell any shares of capital stock of
or other equity interests in any of the Companies, or any securities or
obligations convertible into or exchangeable for any shares of capital stock of
any of the


                                       22


<PAGE>   27



Companies or other equity interests in any of the Companies obligating any of
the Companies to grant, extend, or enter into any such right, agreement,
arrangement or commitment.

          (b) There are no outstanding contractual obligations of any of the
Companies to repurchase, redeem or otherwise acquire any outstanding shares of
capital stock of, or other ownership interests in, any of the Companies, or to
make any investment (in the form of a loan, capital contribution or otherwise)
in any other entity.

          (c) Except as set forth in Section 4.2(c) of the DISCLOSURE SCHEDULE,
Sellers or their Affiliates are the holders of record of and have good, valid
and marketable title to all of the Shares to be sold hereunder, free and clear
of any Encumbrances and any preemptive or subscription rights of any Person.
Except as set forth in Section 4.2(c) of the DISCLOSURE SCHEDULE, there are no
restrictions with respect to the transferability of the Shares except under
Applicable Law.

          4.3. EFFECT OF AGREEMENT. The execution, delivery and performance by
Sellers of this Agreement and the other agreements contemplated hereby and the
consummation by Sellers and their Affiliates of the transactions contemplated
hereby and thereby will not require any notice to, filing with, or the consent,
approval or authorization of, any Person or Governmental Authority, except as
contemplated in Section 7.4 hereof or as set forth in Section 4.3 of the
DISCLOSURE SCHEDULE, other than where the failure to obtain such consent,
approval or authorization, or to give or make any such notice or filing, would
not reasonably be expected to have a Material Adverse Effect. Except as
contemplated in Section 7.4 hereof or as set forth in Section 4.3 of the
DISCLOSURE SCHEDULE, neither the execution and delivery of this Agreement or of
the other agreements contemplated hereby nor the consummation of the
transactions contemplated hereby or thereby will (i) violate or result in a
breach or result in the acceleration or termination of, or the creation in any
third party of the right to accelerate, terminate, modify or cancel, any
material indenture, contract, lease, sublease, loan agreement, note or other
material obligation or liability to which any of the Companies is a party or is
bound or to which any of the assets of the Companies or the Assets are subject,
(ii) conflict with, violate or result in a breach of any provision of the
Constituent Documents of any of the Companies in any material respect, or (iii)
conflict with or violate any Applicable Laws or court orders in any material
respect.

          4.4. FINANCIAL STATEMENTS AND NET ASSET VALUE. (a) Sellers have
delivered to Buyer or its representatives the following (the "Financial
Statements"): (i) an unaudited combined adjusted statement of Operating Profit
for the year ended


                                       23


<PAGE>   28



December 31, 1996 which includes the results derived from the Business and a
combined adjusted statement of Net Assets as of December 31, 1996 (including
notes thereto); and (ii) an unaudited combined adjusted statement of Operating
Profit for the nine months ended September 30, 1997, which includes the results
derived from the Business and a combined adjusted statement of Net Assets as of
September 30, 1997, each prepared consistently with the December 31, 1996
Financial Statements, copies of all of which are attached hereto as Section
4.4(a) of the DISCLOSURE SCHEDULE.

          (b) The Financial Statements (i) have been prepared from the books and
records of the Companies, and to the extent relating to the Business, Sellers
and their Affiliates and (ii) except (x) as set forth in Section 4.4(b) of the
DISCLOSURE SCHEDULE and except as set forth in the Financial Statements
(including the notes thereto), and (y) for the inclusion of the net assets less
minority interest liability of Nippon Sherwood Medical Industries Ltd., have
been prepared in accordance with GAAP and contain sufficient supporting
disclosures as required to make the information presented not misleading, and
accurately reflect, in all material respects, the Operating Profit for the 1996
year and the nine months ended September 30, 1997, respectively, and the Net
Assets as of December 31, 1996 and September 30, 1997, respectively.

          4.5. ABSENCE OF CERTAIN CHANGES OR EVENTS. Except (x) to the extent
arising out of or relating to the transactions contemplated by this Agreement
(including with respect to the Excluded Assets), (y) for Contracts entered into
since September 30, 1997, that are included in the Contracts listed on Section
4.9(i) of the DISCLOSURE SCHEDULE, and (z) for matters listed on Section 4.5 of
the DISCLOSURE SCHEDULE, since September 30, 1997, (i) the Business has been
operated in the ordinary course in a manner consistent with past practice and
(ii) there has not been any Material Adverse Change.

          4.6. TAXES. (a) Except as disclosed on Section 4.6 of the DISCLOSURE
SCHEDULE, (i) except where failure to file would not reasonably be expected to
have a Material Adverse Effect, the Companies have filed on or before the date
hereof (or will timely file) all Tax Returns required to be filed for tax years
or periods ending on or before the Closing Date; (ii) except where the failure
to pay would not reasonably be expected to have a Material Adverse Effect, all
such Tax Returns are (or will be) complete and accurate and disclose (or will
disclose) all Taxes required to be paid by the Companies for the periods covered
thereby and all Taxes shown to be due on such Tax Returns have been (or will be)
timely paid; (iii) except where the failure to pay would not reasonably be
expected to have a Material Adverse Effect, all Taxes (whether or not shown on
any


                                       24


<PAGE>   29


Tax Return) owed by the Companies and required to be paid with respect to tax
years or periods ending on or before the Closing Date have been (or will be)
timely paid or are being presently contested in good faith; (iv) none of the
Companies or any of their Tax Affiliates have waived or been requested to waive
any statute of limitations in respect of Taxes; (v) there is no action, suit,
investigation, audit, claim or assessment pending or proposed or threatened with
respect to Taxes of the Companies; (vi) all deficiencies asserted or assessments
made as a result of any examination of the Tax Returns referred to in clause (i)
have been paid in full; (vii) all Tax Sharing Arrangements and Tax indemnity
arrangements will terminate on or prior to the Closing Date and the Companies
will have no liability thereunder on or after the Closing Date; (viii) there are
no liens for Taxes upon any of the assets of the Companies or the Assets except
liens relating to current Taxes not yet due; (ix) no intercompany obligation (as
described in Prop. Treas. Reg. ss. 1.1502-13(g)) of the Companies or any Tax
Affiliate will remain outstanding following the Closing; and (x) as of the
Closing, the Companies will have no corporate acquisition indebtedness, as
described in Section 279(b) of the Code.

          (b) No transaction contemplated by this Agreement is subject to
withholding under Section 1445 of the Code.

          (c) As a result of the transactions contemplated by this Agreement,
none of the Companies nor the Buyer will be obligated to make a payment to an
individual that would be an "excess parachute payment" to a "disqualified
individual" as those terms are defined in Section 280G of the Code.

          (d) None of the Sellers nor any of their Affiliates is a "consenting
corporation" under Section 341(f) of the Code or any corresponding provision of
state, local or foreign law.

          (e) None of the Sellers nor any of their Affiliates has made an
election or is required to treat any of its assets as owned by another Person
for U.S. federal income tax purposes or as tax-exempt bond financed property or
tax-exempt use property within the meaning of Section 168 of the Code (or any
corresponding provision of state, local or foreign law).

          4.7. REAL PROPERTY. (a) OWNED REAL PROPERTY. Section 4.7(a) of the
DISCLOSURE SCHEDULE sets forth a list of all Owned Real Property. Except as set
forth on Section 4.7(a) of the DISCLOSURE SCHEDULE and except for Permitted
Encumbrances, (i) the Companies, Sellers or the Asset Transferor Entities have
good, valid and marketable fee simple title to each parcel of Owned Real
Property and (ii) none of the Owned Real Property is subject to any lease.


                                       25


<PAGE>   30


          (b) Section 4.7(b) of the DISCLOSURE SCHEDULE sets forth a list of all
material Leased Real Property. The Companies, Sellers or the Asset Transferor
Entities have a valid leasehold interest in all Leased Real Property and each of
such leases is in full force and effect in accordance with its terms and there
exists no material breach or default thereunder on the part of any of the
Companies, Sellers or the Asset Transferor Entities or, to the knowledge of
Sellers, any other party thereto, which would cause or permit a termination
thereof.

          4.8. GOOD TITLE TO AND CONDITION OF ASSETS.

          (a) The Companies have good title to, or a valid and binding leasehold
interest in, the assets of the Companies and Sellers and the Asset Transferor
Entities have good title to, or a valid and binding leasehold interest in, the
Assets (other than Real Property and Intellectual Property which are addressed
in Sections 4.7 and 4.10, respectively), in each case free and clear of all
Encumbrances, except (i) as set forth in Section 4.8(a) of the DISCLOSURE
SCHEDULE, or (ii) Permitted Encumbrances. Except as set forth on Section 4.8 of
the DISCLOSURE SCHEDULE and except for the Excluded Assets or as otherwise
expressly provided for in this Agreement (and the other agreements to be
delivered hereunder), the assets of the Companies and the Assets constitute, and
on the Closing Date will constitute, substantially all of the assets, properties
and rights used in or necessary to the conduct of the Business as currently
conducted.

          (b) Except as reflected in the Financial Statements, the physical
assets of the Companies and the Assets taken as a whole are in good and
serviceable condition (subject to normal wear and tear and immaterial
impairments of value and damage) and are generally suitable for the uses for
which they are intended.

          4.9. CONTRACTS. Section 4.9(i) of the DISCLOSURE SCHEDULE sets forth a
list, as of the date hereof, of each Contract other than (a) purchase orders in
the usual and ordinary course of business and (b) any Contract involving the
payment of less than $375,000 or terminable by any of the Companies, Sellers or
the Asset Transferor Entities without material penalty upon not more than 60
days' notice. Except as set forth in Section 4.9(ii) of the DISCLOSURE SCHEDULE,
each Contract listed in Section 4.9(i) of the DISCLOSURE SCHEDULE or Section
4.10(a) of the DISCLOSURE SCHEDULE is a valid and binding agreement and is in
full force and effect. Except as otherwise provided in Section 4.9(iii) of the
DISCLOSURE SCHEDULE, the Companies, Sellers or the Asset Transferor Entities, as
the case may be, are not in default and, to the knowledge of Sellers none of the
other parties thereto is in default under any Contract listed in Section 4.9(i)
of the DISCLOSURE SCHEDULE which default has not been cured or waived, except
for such defaults as would not


                                       26


<PAGE>   31


reasonably be expected to have a Material Adverse Effect. Except as described on
Section 4.9(iv) of the DISCLOSURE SCHEDULE, to Sellers' knowledge, there is no
event or circumstance which, with the passage of time or the giving of notice or
both, would constitute a material default or breach by any of the Companies, the
Asset Transferor Entities or Sellers that is a party thereto under any of the
Contracts listed on Section 4.9(i) of the DISCLOSURE SCHEDULE or would give rise
to any right of termination or acceleration thereunder except for such default,
breach, termination or acceleration as would not reasonably be expected to have
a Material Adverse Effect. No third party has asserted to the Companies, the
Sellers or the Asset Transferor Entities, as the case may be, any claim of
material default or breach under any of the Contracts except for such claim as
would not reasonably be expected to have a Material Adverse Effect.

          4.10. INTELLECTUAL PROPERTY RIGHTS. (a) Section 4.10(a) of the
DISCLOSURE SCHEDULE sets forth a listing of (i) all Patents, registered
Trademarks and applications therefor, registered copyrights and applications for
copyright registration, industrial and utility model registrations and
applications therefor, and design registrations and applications therefor,
included in the Intellectual Property, (ii) all Contracts which are material to
the Business, under which any of the Companies, the Asset Transferor Entities or
Sellers is licensed or otherwise uses or is permitted to use Intellectual
Property, (iii) all Contracts under which the Companies, the Asset Transferor
Entities or Sellers license or otherwise permit any party to use Intellectual
Property; PROVIDED, HOWEVER that except as set forth in Section 7.8 or pursuant
to the License Agreement, the right to use "American Home", "AHP", "Cyanamid",
"Cy", "Wyeth", "Lederle", "Quinton" or "Q" or any derivative or anything
imitative thereof or which resembles or is confusingly similar thereto by Buyer
is prohibited and such rights are expressly excluded from the purchase and sale
hereunder.

          (b) (i) Except as set forth in Section 4.10(b) of the DISCLOSURE
SCHEDULE, no Person has claimed that the technology, trademarks, information or
writing used in the conduct of the Business as currently conducted infringes on
or otherwise violates the intellectual property rights of any other Person and
(ii) except as set forth in Section 4.10(b) of the DISCLOSURE SCHEDULE no Person
is challenging or to the knowledge of Sellers, infringing or otherwise violating
the Intellectual Property except, in each case, for challenges, infringements or
violations that would not reasonably be expected to have a Material Adverse
Effect.

          (c) Except as disclosed in Section 4.10(c) of the DISCLOSURE SCHEDULE,
one or more of the Companies, the Asset Transferor Entities or Sellers either
(i) own the entire right,


                                       27


<PAGE>   32



title and interest in and to the Intellectual Property free and clear of any
Encumbrances; or (ii) has or have the right to use the Intellectual Property or
(iii) to the extent such Intellectual is licensed to Sellers or the Asset
Transferor Entities and is material to the Business, has or have the right to
license or sublicense to Buyer all of the rights granted to Sellers or the Asset
Transferor Entities, as the case may be, to the Intellectual Property to the
extent required by this Agreement.

          (d) Except as disclosed on Section 4.11(d) of the DISCLOSURE SCHEDULE,
the Companies, the Asset Transferor Entities or Sellers are not in breach of any
material provision of any material agreement, commitment, contractual
understanding, license, sublicense, assignment or indemnification which relates
to any of the Intellectual Property and they have not taken any action which
would reasonably be expected to have a Material Adverse Effect on their rights
in any of the Intellectual Property.

          4.11. LITIGATION AND CLAIMS. (a) Except as set forth in Section
4.11(a) of the DISCLOSURE SCHEDULE, and except for matters under Environmental
Laws or relating to the environmental condition of the Real Property (as to
which no representation is being made herein) there is no civil, criminal or
administrative action, suit, hearing, proceeding or investigation pending or, to
the knowledge of Sellers, threatened against the Companies, the Asset Transferor
Entities or Sellers to the extent related to the conduct of the Business.

          (b) Except as set forth in Section 4.11(b) of the DISCLOSURE SCHEDULE,
and except for matters under Environmental Laws or relating to the environmental
condition of the Real Property (as to which no representation or warranty is
being made herein), none of the Companies nor their Affiliates is subject to any
material order, writ, judgment, award, injunction, or decree of any court or
Governmental Authority or any arbitrator or arbitrators related to the conduct
of the Business.

          4.12. COMPLIANCE WITH LAW; APPLICABLE PERMITS. Except as set forth in
Section 4.11 of the DISCLOSURE SCHEDULE or Section 4.12 of the DISCLOSURE
SCHEDULE, and except for matters relating to Taxes which are addressed in
Section 4.7, and except for matters under Environmental Laws or relating to the
environmental condition of the Real Property (as to which no representation or
warranty is made herein), the Business is being conducted in compliance in all
material respects with all Applicable Laws. The Companies, the Asset Transferor
Entities and the Sellers have all Applicable Permits necessary to conduct the
Business as currently conducted, other than those the absence of which would not
reasonably be expected to have a Material Adverse


                                       28


<PAGE>   33



Effect. There are no proceedings pending or, to the knowledge of Sellers,
threatened which may result in the revocation, cancellation or suspension of any
such Applicable Permits.

          4.13. [INTENTIONALLY OMITTED]

          4.14. FDA MATTERS. Except as set forth on Section 4.14 of the
DISCLOSURE SCHEDULE, there are no products of the Business being sold by the
Companies or the Asset Transferor Entities which at the date hereof would
require any approval of the United States Food and Drug Administration (the
"FDA") or any other governmental body, whether federal, state, local or foreign,
for the purpose for which they are being sold for which such approval has not
been obtained. All products of the Business now being commercially distributed
by the Companies or the Asset Transferor Entities in any jurisdiction meet the
applicable legal requirements of such jurisdiction in all material respects and
all requisite governmental approvals have been duly obtained and are in full
force and effect. Except as set forth in Section 4.14 of the DISCLOSURE
SCHEDULE, there is no action or proceeding by the FDA or any other governmental
body, including, but not limited to, recall procedures, pending or, to the
knowledge of the Sellers, threatened against the Companies or the Asset
Transferor Entities relating to safety or efficacy of any of the products of the
Business.

          4.15. LABOR MATTERS. Except as disclosed in SECTION 4.15 of the
DISCLOSURE SCHEDULE, none of the Companies, or to the extent related to the
Business, the Asset Transferor Entities is a party to any collective bargaining
agreement and there are no unfair labor practice proceedings pending, or to the
knowledge of Sellers threatened, between any of the Companies, or to the extent
related to the Business, the Asset Transferor Entities and any of their
Employees or any labor or other collective bargaining unit representing any
Employee that would reasonably be expected to have a Material Adverse Effect.

          4.16. INSURANCE. Section 4.16 of the DISCLOSURE SCHEDULE sets forth a
list of all insurance policies and bonds provided by third parties currently
maintained by or on behalf of the Companies, or relating primarily to the
Business, all of which will terminate as of the Closing.

          4.17. BROKER'S FEES. Except for the retention of Chase Securities
Inc., the fees and expenses of which will be paid by Sellers pursuant to Section
7.2, Sellers and their Affiliates have not employed any broker, finder or
investment banker or incurred any liability for any brokerage, finder's or other
fee or commission in connection with the transactions contemplated by this
Agreement.


                                       29


<PAGE>   34



          4.18. NO UNDISCLOSED MATERIAL LIABILITIES. There exist no material
liabilities or obligations of the Business whether accrued, absolute, contingent
or threatened, which are required to be reflected, reserved for or disclosed
under GAAP in financial statements of the Business as of and for the period
ended on the date hereof, other than (i) liabilities or obligations which are
adequately reflected, reserved for or disclosed in the Financial Statements or
(ii) liabilities or obligations incurred in the ordinary course of business of
the Business since September 30, 1997.

          4.19. CUSTOMERS/SUPPLIERS. Except as set forth on Section 4.19 of the
DISCLOSURE SCHEDULE, from January 1, 1997 through the date of this Agreement,
none of the Companies, the Sellers or the Asset Transferor Entities has received
written notice from any of the 25 largest (by sales amounts) customers or
suppliers of the Business that they intend to cease doing business with the
Companies, the Sellers or the Asset Transferor Entities, or to diminish the
amount of business that such party currently conducts with the Business, except
where such cessation or diminution in business would not reasonably be expected
to have a Material Adverse Effect.

          4.20. NO OTHER REPRESENTATIONS OR WARRANTIES; DISCLOSURE. Except for
the representations and warranties of Sellers expressly set forth in this
Agreement, neither Sellers nor any other Person makes any other express or
implied representation or warranty on behalf of Sellers, or otherwise in respect
of the Business. Disclosure in a particular Section of the Disclosure Schedule
shall be deemed to be a disclosure in all other Sections thereof.

                                   ARTICLE V.

                     REPRESENTATIONS AND WARRANTIES OF BUYER

          Buyer represents and warrants to Sellers as follows:

          5.1. CORPORATE ORGANIZATION. Buyer is a corporation duly organized,
validly existing and in good standing under the laws of Massachusetts. Buyer has
the requisite corporate power and authority to own, operate or lease the
properties that it purports to own, operate or lease and to carry on its
business as it is now being conducted and is duly licensed or qualified as a
foreign corporation in each domestic or foreign jurisdiction in which the nature
of the business conducted by it or the character or location of the properties
owned or leased by it makes such licensing or qualification necessary, except
where the failure to be so licensed or qualified would not reasonably be
expected to have a material adverse effect on the business, operations or
financial condition of Buyer and its Subsidiaries taken as a


                                       30


<PAGE>   35



whole or on the ability of Buyer to consummate the transactions contemplated
herein.

          5.2. AUTHORITY RELATIVE TO THIS AGREEMENT. Buyer has the requisite
corporate power and authority to execute and deliver this Agreement and the
other agreements contemplated hereby and to consummate the transactions
contemplated hereby and thereby. The execution and delivery by Buyer of this
Agreement and the other agreements contemplated hereby and the consummation by
Buyer of the transactions contemplated hereby and thereby have been duly
authorized by all necessary corporate action on the part of Buyer and no other
corporate proceeding is necessary for the execution and delivery of this
Agreement or such other agreements by Buyer, the performance by Buyer of its
obligations hereunder or thereunder and the consummation by Buyer of the
transactions contemplated hereby and thereby. This Agreement has been duly
executed and delivered by Buyer and constitutes a legal, valid and binding
obligation of Buyer, enforceable against Buyer in accordance with its terms,
except as the same may be limited by bankruptcy, insolvency, moratorium,
reorganization or other laws of general applicability relating to or affecting
the enforcement of creditor's rights and general principles of equity.

          5.3. BROKER'S FEES. Except for the retention of Merrill, Lynch, the
fees and expenses of which will be paid by Buyer pursuant to Section 7.2, none
of Buyer or any of its Affiliates has employed any broker, finder or investment
banker or incurred any liability for any brokerage, finder's or other fee or
commission in connection with the transactions contemplated by this Agreement.

          5.4. CONSENTS AND APPROVALS; NO VIOLATIONS. Except as contemplated by
Section 7.4 hereof, no material filing with, and no material permit,
authorization, consent or approval of, any public body or authority is necessary
for the consummation by Buyer of the transactions contemplated by this Agreement
or the other agreements which Buyer will execute pursuant to the terms of this
Agreement. The execution and delivery of this Agreement and such other
agreements and the consummation of the transactions contemplated hereby and
thereby will not (x) conflict with or result in a breach of any of the
provisions of the Certificate of Incorporation or by-laws of Buyer, or (y) be
subject to the making of the filings and the obtaining of the governmental and
other consents referred to herein, contravene in any material respect any law,
rule or regulation of any state, the United States or any foreign country or any
order, writ, judgment, injunction, decree, determination or award currently in
effect that is binding upon Buyer or any of its Subsidiaries or any of their
respective properties.


                                       31


<PAGE>   36


          5.5. FINANCIAL CAPABILITY. Buyer has sufficient funds to purchase the
Shares and the Assets and to perform its obligations under the Contracts and
Assumed Liabilities on the terms and subject to the conditions contemplated by
this Agreement.

          5.6. SECURITIES ACT. Buyer is acquiring the Shares solely for the
purpose of investment and not with a view to, or for sale in connection with,
any distribution thereof in violation of the Securities Act. Buyer acknowledges
the Shares are not registered under the Securities Act or any applicable state
securities law or other Applicable Laws, and that such Shares may not be
transferred or sold except pursuant to the registration provisions of such
Securities Act or pursuant to an applicable exemption therefrom and pursuant to
state securities laws and regulations as applicable.

          5.7. NO OTHER REPRESENTATIONS OR WARRANTIES. Except for the
representations and warranties of Buyer expressly set forth in this Agreement,
neither Buyer nor any other Person makes any other express or implied
representation or warranty on behalf of Buyer.


                                   ARTICLE VI.

                     CONDUCT OF BUSINESS PENDING THE CLOSING

          6.1. CONDUCT OF BUSINESS PENDING THE CLOSING. Except as disclosed in
Section 6.1 of the DISCLOSURE SCHEDULE, Sellers and Buyer agree that, prior to
the Closing, unless Buyer shall otherwise consent in writing (which consent
Buyer shall not unreasonably withhold) or as otherwise expressly contemplated by
this Agreement the following provisions shall apply:

          (a) The Business shall be conducted only in the ordinary course of
business and consistent with past practices;

          (b) The Companies, Sellers and the Asset Transferor Entities shall not
pledge, dispose of or encumber any of the Assets or assets of the Companies
other than in the ordinary course of business and consistent with past practice;

          (c) Sellers shall cause (x) the Companies and (y) the Asset Transferor
Entities only to the extent related to or affecting the Business, not to do any
of the following: (i) authorize for issuance, issue, sell, pledge, deliver, or
agree or commit to issue, sell, pledge or deliver (whether through the issuance
or grant of options, warrants, commitments, subscriptions, rights to purchase or
otherwise) any capital stock of the Companies or securities or rights
convertible into or


                                       32


<PAGE>   37


exchangeable for, shares of capital stock or securities convertible into or
exchangeable for such shares; (ii) amend or propose to amend their Constituent
Documents; (iii) split, combine or reclassify any shares of their capital stock;
(iv) redeem, purchase or otherwise acquire or offer to redeem, purchase or
otherwise acquire any capital stock; or (v) authorize or propose any of the
foregoing or enter into any contract, agreement, commitment or arrangement to do
any of the foregoing; PROVIDED, HOWEVER, that Sellers and their Affiliates shall
continue to have the right to withdraw cash from the Companies, either in the
form of a dividend or in the form of a cash advance, and, correspondingly, to
provide cash to the Companies, either in the form of a contribution to capital
or an intercompany loan, in a manner consistent with their past practice and the
cash management programs which they have in place, generally, for their
Affiliates. Buyer acknowledges that Sellers may dividend cash, cash equivalents
and marketable securities out of the Companies prior to Closing and, to the
extent possible, the Excluded Assets relating to the Companies will be assigned
or dividended out of the Companies prior to Closing as contemplated by Section
7.12;

          (d) Sellers shall cause the Companies and, solely as it relates to the
Business, with respect to clauses (ii), (iii) and (vi) below, the Asset
Transferor Entities not to (i) acquire (by merger, consolidation or acquisition
of stock or assets) any corporation, partnership or other business organization
or division thereof or make any investment either by purchase of stock or
securities of any other individual or entity; (ii) acquire any assets for a
value in excess of $3,750,000 other than pursuant to the current capital
expenditure budget of the Business and other than purchases in the ordinary
course of business; (iii) dispose of any assets with a value in excess of
$3,750,000 other than sales of inventory in the ordinary course of business;
(iv) incur any indebtedness for borrowed money or issue any debt securities or
assume or guarantee the obligations of any other Person, make any loans or
advances or enter into any other transaction, except the occurrence of
intercompany loans or the making of intercompany advances in the ordinary course
of business consistent with past practice and except for advances to Employees
for expenses in the ordinary course of business and consistent with past
practice; (v) authorize, recommend or propose any change in its capitalization;
or (vi) authorize or propose any of the foregoing or enter into or modify any
contract, agreement, or commitment or arrangement with respect to any of the
foregoing;

          (e) Except as otherwise contemplated by this Agreement, the Companies,
and to the extent related to the Business, the Asset Transferor Entities and
Sellers, shall not adopt or amend any U.S. Employee Plan, U.S. Benefit
Arrangement


                                       33


<PAGE>   38


or International Plan, each as hereinafter defined, or increase or pay any
benefit not required by any existing U.S. Employee Plan, U.S. Benefit
Arrangement or International Plan (as defined in Article 9), or increase any
salaries or wages of Employees, other than in the ordinary course of business or
as may be required by a Governmental Authority; and

          (f) None of the Companies, the Asset Transferor Entities or Sellers
shall waive, release, grant or transfer any Intellectual Property or modify or
change in any material respect any existing material license, distribution
agreement, lease, or other document used in the Business, in each case, other
than in the ordinary course of business.

          6.2. PERMITTED ACTIONS. Notwithstanding any other provisions herein to
the contrary, as contemplated by Section 7.12, prior to the Closing, Sellers and
their Affiliates shall be permitted, but not required, to (i) cause each of the
Companies to transfer by way of dividend or otherwise to Sellers or any of their
Affiliates, as the case may be, all Excluded Assets including, but not limited
to, any cash, cash equivalents or marketable securities held by such Company
from time to time up to and including the Closing Date, (ii) except to the
extent otherwise agreed between Sellers and Buyer, extinguish all intercompany
receivables and other intercompany assets, and intercompany payables and other
intercompany liabilities (including without limitation all intercompany Tax and
equity accounts (including preferred stock of AC Acquisition Corp., an Affiliate
of Sellers, held by one of the Companies)), and (iii) repay obligations for
borrowed money, whether pursuant to the issuance of commercial paper or
otherwise. For purposes of this Section 6.2, intercompany receivables,
intercompany assets, intercompany payables and intercompany liabilities shall
mean receivables, assets, payables and liabilities between any of the Companies
or with respect to the Business, the Asset Transferor Entities and Sellers or
their Affiliates. In addition, Sellers shall be permitted to have one of the
Companies enter into a supply agreement with an Affiliate of Sellers relating to
the animal health business, on the principal terms set forth on EXHIBIT E.

          6.3. CHANGE OF NAME. Prior to Closing, Sellers shall be permitted to
change the corporate name of any of the Companies to delete any reference to
"AHP", "American Home Products", "Cyanamid", "Cy", "Wyeth", "Lederle" or any
similar name.

          6.4. BUYER'S STATEMENT. Sellers will use reasonable efforts to cause
Andersen to prepare, at Buyer's sole cost, for Buyer by March 31, 1998, a full
set of audited financial statements for the Business for the fiscal period ended
December 31, 1997. Buyer will instruct Andersen that such financial


                                       34


<PAGE>   39


statements must be prepared in accordance with Regulation S-X of the Securities
Exchange Act of 1934.


                                  ARTICLE VII.

                              ADDITIONAL AGREEMENTS


          7.1. EXPENSES. Except as otherwise provided in Section 3.5(c), all
expenses, including the fees of any attorneys, accountants, investment bankers
or others engaged by a party, incurred in connection with this Agreement and the
transactions contemplated hereby, shall be paid by the party incurring such
expenses whether or not the transactions contemplated by this Agreement are
consummated.

          7.2. ADDITIONAL AGREEMENTS. Subject to the terms and conditions herein
provided, each of the parties hereto agrees (i) to use all reasonable efforts to
do, or cause to be done, all things necessary, proper or advisable to consummate
the transactions contemplated by this Agreement and to cooperate with each other
in connection with the foregoing, (ii) to use all reasonable efforts to defend
all lawsuits or other legal proceedings challenging this Agreement or the
consummation of the transactions contemplated hereby, (iii) to use all
reasonable efforts to lift or rescind any injunction or restraining order or
other order adversely affecting the ability of the parties to consummate the
transactions contemplated hereby, and (iv) to use all reasonable efforts to
effect all necessary registrations and filings and submissions of information
required or requested by Governmental Authorities with respect to the
transactions contemplated hereby.

          7.3. ACCESS TO INFORMATION. Prior to the Closing, Sellers shall, and
shall cause their Affiliates to, afford the officers, employees and agents of
Buyer reasonable access to the facilities and employees of Business and the
records of the Sellers and their Affiliates relating to the Business (but not
including confidential personnel records) during normal business hours and in a
manner that will not unreasonably disrupt the operation of the Business. In
connection therewith, the parties will comply with the terms of the
Confidentiality Agreement, dated October 8, 1997 between Buyer and Chase
Securities Inc., as agent for AHP, as amended, which agreement shall survive the
termination of this Agreement.

          7.4. FILINGS AND AUTHORIZATIONS. Sellers and Buyer have filed or
supplied or will, as promptly as practicable, file or supply, or cause to be
filed or supplied, all notifications and information required to be filed or
supplied pursuant to the


                                       35


<PAGE>   40



Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the "HSR ACT")
and, if necessary, any other Competition Laws, in connection with the
transactions contemplated by this Agreement. As promptly as practicable, (a)
Sellers and Buyer will make, or cause to be made, all such other filings and
submissions under laws, rules and regulations applicable to them, or to their
Subsidiaries and Affiliates, as may be required for them to consummate the
transactions contemplated hereby in accordance with the terms of this Agreement,
and (b) Buyer will use commercially reasonable efforts to obtain, or cause to be
obtained, all authorizations, approvals, consents and waivers from all
Governmental Authorities necessary to be obtained by them, or their Affiliates,
in order for them so to consummate such transactions.

          Notwithstanding anything in this Agreement to the contrary, including,
without limitation clause (b) above, Buyer covenants that it will, or will cause
its Affiliates to, take all actions necessary, including any divestiture or hold
separate agreements, to obtain all regulatory clearances, authorizations,
waivers, consents and approvals from Governmental Authorities with respect to
Competition Laws, provided that nothing herein shall be construed to require
Buyer or its Affiliates to dispose of or hold separate business or product lines
which generated annual gross sales for the year ended December 31, 1996 in
excess of twenty percent (20%) of the gross sales of the Business for the year
ended December 31, 1996. Subject to the foregoing, each party hereto shall (x)
use its reasonable efforts to prevent the entry into a judicial or
administrative proceeding brought under any antitrust law by any Governmental
Authority with jurisdiction over enforcement of any applicable Competition Law
or any other party of any preliminary injunction or other order that would make
consummation of the purchase of the Shares and the Assets in accordance with the
terms of this Agreement unlawful or would prevent or delay it (including
defending any litigation that could result in the entry of such injunction or
order); and (y) take promptly, in the event that such an injunction or order has
been issued in such a proceeding, all steps reasonably necessary to prosecute an
appeal of such injunction or order; provided, however, that neither Sellers nor
Buyer shall be required to undertake more than one such appeal.

          7.5. INFORMATION FOR OTHER FILINGS. The parties represent to each
other that the information provided and to be provided by Buyer and Sellers,
respectively, for use in any document to be filed with any other governmental
agency or authority in connection with the transactions contemplated hereby
shall, at the respective times such documents are filed with the governmental
agency or authority and on the Closing Date, be true and correct in all material
respects and shall not omit to state any material fact required to be stated
therein or necessary in


                                       36


<PAGE>   41


order to make such information not false or misleading, and Sellers and Buyer
each agree to so correct any such information provided by it for use in such
documents that shall have become false or misleading.

          7.6. TAX MATTERS.

          (a) LIABILITY FOR TAXES. (i) Sellers shall be liable for, and shall
indemnify Buyer against, all (A) Taxes imposed on Sellers and any of Sellers'
Tax Affiliates (other than the Companies) for any taxable year or period, (B)
Taxes (except for Taxes included in Section 7.6(a)(v)) imposed on the Companies
or for which the Companies may otherwise be liable for any taxable year or
period that ends on or before the Closing Date and, with respect to any Straddle
Period, the portion of such Straddle Period ending on and including the Closing
Date (including, without limitation, any obligation to contribute to the payment
of a Tax determined on a consolidated, combined or unitary basis with respect to
the Companies, Sellers and any of Sellers' Tax Affiliates) and (C) Section 338
Taxes.

          (ii) Buyer shall be liable for, and shall indemnify Sellers against,
     Taxes imposed on the Companies or Buyer for any taxable year or period that
     begins after the Closing Date and with respect to any Straddle Period, the
     portion of such Straddle Period beginning after the Closing Date
     (including, without limitation, any obligation to contribute to the payment
     of a Tax determined on a consolidated, combined or unitary basis with
     respect to Buyer and its Tax Affiliates).

          (iii) For purposes of paragraphs (a)(i) and (a)(ii) above, whenever it
     is necessary to determine the liability for Taxes of the Companies for a
     Straddle Period, the determination of the Taxes of the Companies for the
     portion of the Straddle Period ending on, and the portion of the Straddle
     Period beginning after, the Closing Date shall be determined by assuming
     that the Straddle Period consisted of two taxable years or periods, one
     which ended on the Closing Date and the other which began at the beginning
     of the day following the Closing Date, and items of the Companies for the
     Straddle Period shall be allocated between such two taxable years or
     periods on a "closing of the books basis" by assuming that the books of the
     Companies were closed at the close of business on the Closing Date,
     PROVIDED, HOWEVER, that (A) exemptions, allowances or deductions that are
     calculated on an annual basis, such as the deduction for depreciation,
     shall be apportioned between such two taxable years or periods on a daily
     basis, and (B) extraordinary items described in Treas. Reg. ss.
     1.1502-76(b)(2)(ii)(C) shall be allocated to the day that they are taken
     into


                                       37


<PAGE>   42



     account and any item relating to any Section 338 Taxes shall be allocated
     to the Closing Date.

          (iv) For purposes of paragraphs (a)(i) and (a)(ii), where, under
     applicable law, a taxable year or period ends as a result of the purchase
     of the Shares pursuant to this Agreement, items of income, gain, deduction,
     loss or credit shall be allocated between such taxable year or period and
     the following taxable year or period in a manner consistent with the rules
     in Treas. Reg. ss. 1.1502-76(b).

          (v) Buyer, on the one hand and Sellers on the other hand shall share
     equally any and all real property transfer or gains Tax, sales Tax, use
     Tax, stamp Tax, stock transfer Tax, or other similar Tax imposed on the
     transactions contemplated by this Agreement provided that any VAT shall be
     the obligation of Buyer.

          (vi) Buyer shall pay to Sellers the amount of any refund, abatement or
     credit of Taxes received related to the Business which is attributable to a
     reduction of otherwise assessable Taxes (A) for any Tax payable for a
     taxable period (excluding any portion of a Straddle Period) that ends on or
     before the Closing Date, provided, however, that to the extent such
     resolution is attributable to the carryback to such period of any Tax loss
     or Tax credit for a taxable period ending after the Closing Date, Buyer's
     obligation hereunder shall be limited to $1,300,000 of any refund,
     abatement or credit, or (B) for Taxes for which Seller has previously
     indemnified Buyer. Notwithstanding the foregoing, Buyer shall not be
     obligated to pay Seller the amount of any refund, abatement or credit of
     Taxes that was reflected as an asset on the Closing Statement.

          (vii) Seller agrees that all Tax attributes of the Companies,
     including but not limited to, Tax loss and Tax credit carry forwards at
     Closing Date may be carried forward to periods ending after Closing Date
     and that Buyer shall not be obligated to reimburse Sellers for the benefit
     of such carried forward Tax attributes.

               (b) TAX RETURNS. Within 60 days after the date of this Agreement,
Sellers will deliver or cause to be delivered to Buyer, true and complete
copies, to the extent available, of: (A) all income Tax Returns of the Companies
for periods subsequent to December 31, 1993 (or, with respect to consolidated,
combined or unitary returns, the portion thereof relating to the Companies; and
(B) any workpapers or other supporting data reasonably requested by Buyer
relating to "income Taxes payable" reflected in the books and records of the
Companies as of December 31, 1996 (to the extent available), relating to Tax
Returns made available


                                       38


<PAGE>   43


pursuant to (A) or (B) or relating to Tax Returns referred to in (A) not yet
filed. Sellers shall file or cause to be filed when due all Tax Returns that are
required to be filed by or with respect to the Companies for taxable years or
periods ending on or before the Closing Date and Sellers shall remit (or cause
to be remitted) to the appropriate Governmental Authority any Taxes due in
respect of such Tax Returns. At Sellers' request, Buyer shall prepare or cause
to be prepared (the preparer to be consistent with past practice) Tax Returns
for taxable periods ending on or before the Closing Date consistent with past
practice, and submit them to Sellers no less than 30 days prior to the
respective due date, for Sellers' review and filing and Sellers shall incur any
Costs of any outside services for this activity. Buyer shall file or cause to be
filed when due all Tax Returns that are required to be filed by or with respect
to the Companies for taxable years or periods ending after the Closing Date and
Buyer shall remit (or cause to be remitted) to the appropriate Governmental
Authority any Taxes due in respect of such Tax Returns. Sellers or Buyer shall
reimburse the other party the Taxes for which Sellers or Buyer is liable
pursuant to paragraph (a) of this Section 7.6 but which are payable with any Tax
Return to be filed by Buyer pursuant to the previous sentence upon written
request of the party entitled to reimbursement setting forth in detail the
computation of the amount owed by Sellers or Buyer, as the case may be, but in
no event less than 15 days prior to the due date for the filing of such Tax
Return. All Tax Returns which Sellers are required to file or cause to be filed
in accordance with this paragraph (b) shall be prepared and filed in a manner
consistent with past practice in preparing and filing similar Tax Returns and
shall not thereafter amend any Tax Return to take positions inconsistent with
such past practice. The Buyer agrees that no tax election will be made by Buyer
which will affect Taxes of a year or period ending on or prior to Closing Date
unless made with the prior written consent of Seller. Sellers reserve the right
to make an election under Reg. P. 301.7701-3(c), which election shall be in
effect prior to the Closing Date, with respect to the eligible foreign companies
set forth in Section 7.6(b) of the DISCLOSURE SCHEDULE, which companies will all
be single owner entities within the meaning of Reg. P. 301.7701-3. Furthermore,
Sellers agree to indemnify Buyer for any capital or stamp taxes payable in
connection with the capitalization of such entity that purchases the shares of
any company for which the election in the previous sentence is made. Sellers'
indemnity in the sentence immediately above shall be limited to the amount
needed to be contributed to effect the transaction and shall not exceed the
amount of the purchase price allocated to the entity.

               (c) CONTEST PROVISIONS. Buyer shall notify Sellers in writing
upon receipt by Buyer or any of its Tax Affiliates of notice of any pending or
threatened federal, state, local or


                                       39


<PAGE>   44


foreign Tax audits or assessments which may materially affect the Tax
liabilities of the Companies for which Sellers would be required to indemnify
Buyer pursuant to paragraph (a) of this Section 7.6. Sellers shall have the sole
right to represent the Company's interests in any Tax audit or administrative or
court proceeding relating to taxable periods ending on or before the Closing
Date, and to employ counsel of its choice at its expense, PROVIDED, HOWEVER,
that (i) to the extent that such actions would increase Buyer's Tax liability
for periods beginning after the Closing Date, Sellers shall not take any
position in such contest that is inconsistent with Sellers' past practice in
filing its Tax Returns, and (ii) Buyer's representatives shall be permitted, at
Buyer's expense, to be present at any such audit or proceeding. Prior to the
settlement, either administratively or after the commencement of litigation, of
any claim for Taxes which would adversely affect the liability for Taxes of
Buyer, the Company or any Affiliate thereof for any period after the Closing
Date, Sellers shall consult in good faith with Buyer concerning such settlement.

               (d) COOPERATION.

               (i) Buyer and Sellers agree to cooperate and share all required
          information on a timely basis in order to timely file all Tax Returns
          and for the preparation of any audit, and for the prosecution or
          defense of any claim, suit or proceeding relating to any proposed
          adjustment. Buyer and Sellers agree to retain or cause to be retained
          all books and records pertinent to the Companies until the applicable
          period for assessment under applicable law (giving effect to any and
          all extensions or waivers) has expired, and to abide by or cause the
          abidance with all record retention agreements entered into with any
          Governmental Authority. After the Closing, Buyer will give Sellers
          reasonable notice prior to transferring, discarding or destroying any
          such books and records relating to Tax matters and, if Sellers so
          request and at Sellers' expense, Buyer will allow Sellers to take
          possession of such books and records. Buyer and Sellers shall
          cooperate with each other in the conduct of any audit or other
          proceedings involving the Companies for any Tax purpose and each shall
          execute and deliver such powers of attorney and other documents as are
          necessary and appropriate to carry out the intent of this subsection.

               (ii) Within 90 days (if practicable) after the date of this
          Agreement, Sellers and Buyer shall meet and mutually agree to an
          allocation of the Purchase Price to determine the agreed fair market
          value of each item of the Shares and of the Assets to be sold by
          Sellers and acquired by Buyer pursuant to this Agreement. A schedule
          of such allocation shall be prepared ("Allocation") and Sellers and
          Buyer agree


                                       40


<PAGE>   45



          to file all Tax Returns in accordance with the Allocation and not to
          take or cause to be taken any action that would be inconsistent with
          or prejudicial to such Allocation. The allocation price for purchase
          of the companies specified on Section 7.6(b) of the DISCLOSURE
          SCHEDULE shall be mutually agreed upon no later than seven days prior
          to the Closing Date.


               (iii) To the extent that there is no adverse effect on either
          party, the parties agree to effect the purchase and sale of the
          Business related to Davis & Geck, Inc. as a purchase and sale of
          assets and assumption of liabilities.


               (e) ADJUSTMENT TO PURCHASE PRICE. Any payment by Buyer or Sellers
under this Section 7.6 will be deemed an adjustment to the Purchase Price.

               (f) SURVIVAL OF OBLIGATIONS. Notwithstanding anything to the
contrary in this Agreement, and notwithstanding Section 12.3 of this Agreement,
the obligations of the parties set forth in this Section 7.6 shall be
unconditional and absolute and shall remain in effect until the expiration of
the applicable statute of limitations.

               (g) SECTION 338. At the request of Buyer, Sellers and Buyer shall
make a joint election for all or some of the Companies under Section 338(h)(10)
of the Code and/or under any applicable similar provisions of state law with
respect to the purchase of the Shares (collectively, the "Section 338(h)(10)
Elections"). Buyer shall be responsible for, and control the preparation of, all
federal, state and local forms needed to make the Section 338(h)(10) Elections
requested by Buyer and Buyer shall be responsible for any defects in such
election. The Allocation will apply for all purposes of the Section 338(h)(10)
Elections.

               7.7. COVENANT NOT TO COMPETE. (a) Sellers, for and on behalf of
themselves and each of their respective Subsidiaries, agree that for a period of
five years after the Closing Date, they shall not directly or indirectly own,
manage, operate, control or otherwise engage in any Competitive Business (as
hereinafter defined) anywhere in the world; PROVIDED, HOWEVER, that nothing
herein contained shall be construed to prevent Sellers or any of their
Subsidiaries from acquiring or merging with any business, Person or entity
eighty percent (80%) or more of whose consolidated revenues for the most
recently completed fiscal year prior to such acquisition were derived from
businesses other than a Competitive Business; PROVIDED FURTHER that if Sellers
or their Subsidiaries conclude an acquisition of


                                       41

<PAGE>   46
or merger with any Person where more than twenty percent (20%) but less than
fifty percent (50%) of such entity's consolidated revenues for the most recently
completed fiscal year were attributable to a Competitive Business, Sellers or
their Subsidiaries shall either:

                  (i)      enter into an agreement to divest the Competitive
Business within fifteen (15) months following the closing date of such 
acquisition or merger; or

                  (ii)     obtain Buyer's consent that such divestiture does
not have to be made.

         PROVIDED, FURTHER, that if Sellers or their Subsidiaries conclude an
acquisition or merger of any Person where fifty percent (50%) or more of such
Person's consolidated revenues for the most recently completed fiscal year were
attributable to a Competitive Business, Sellers or their Subsidiaries shall
enter into an agreement to divest the Competitive Business within three (3)
months following the closing date of such acquisition or merger.

                  (b) "Competitive Business" shall mean that portion of a
business that competes with the Business as it is conducted on the Closing Date,
PROVIDED, HOWEVER, the Buyer acknowledges that the conduct of the business
(which includes business derived from current research and development other
than conducted in connection with the Business) of Sellers and their Affiliates
as currently conducted (including the operations related to the Excluded Assets)
shall not constitute operation of a Competitive Business.

                  (c) For income Tax purposes only, the parties hereto agree
that a portion of the Purchase Price shall be allocated to the covenant provided
for in this Section 7.7.

                  (d) Sellers agree that a monetary remedy for a breach of the
covenants set forth in Section 7.7 will be inadequate and impracticable and
further agree that such a breach would cause Buyer irreparable harm, and that
Buyer shall be entitled to temporary and permanent injunctive relief without the
necessity of proving actual damages. In the event of such a breach, Sellers
agree that Buyer shall be entitled to such injunctive relief, including
temporary restraining orders, preliminary injunctions and permanent injunctions
as a court of competent jurisdiction shall determine. If any provision of this
Section 7.7 is determined by a court of competent jurisdiction to be invalid in
part, it shall be curtailed, both as to time and location, to the minimum extent
for its validity under the applicable law and shall be binding and enforceable
with respect to Sellers as so curtailed.

                                       42



<PAGE>   47




                  7.8. USE OF CERTAIN NAMES. Subject to the terms of the License
Agreement, within 12 months after the Closing Buyer shall cause the Companies to
revise product literature and labeling (including stickering), change packaging
and stationery, and otherwise discontinue use of the names "American Cyanamid,"
"American Home Products," "AHP", "Lederle", "Cy", "Wyeth", "Quinton", "Q" and
variations thereof (collectively, "Names"). In no event shall Buyer, or the
Companies use any Names after the Closing in any manner or for any purpose
different from the use of such Names by the Companies during the 90 day period
preceding the Closing. With respect to product inventory manufactured by the
Companies or their Affiliates prior to the Closing, Buyer and the Companies may
continue to sell such inventory, notwithstanding that it bears one or more of
the Names, for a reasonable time after the Closing (not to exceed twenty-four
months).

                  7.9.  ANCILLARY AGREEMENTS.  At the Closing, Sellers or
their Affiliates and Buyer will enter into the Lease Agreements, Services 
Agreement, Supply Agreement and Transition Services Agreements.

                  7.10. TERMINATION OF SALE DISCUSSIONS. Sellers shall promptly
terminate any and all pending discussions with prospective buyers of the
Business. During the period between the date hereof and the Closing, unless this
Agreement is terminated by either party in accordance with the provisions
hereof, neither the Sellers nor their Affiliates nor any of their respective
officers or agents will, directly or indirectly, solicit any offers, bids or
indications of interest, or initiate negotiations with any Person, with respect
to the Business, nor shall Sellers or their Affiliates furnish, or authorize any
agent or representative to furnish, any information concerning the Business to
any third party.

                  7.11. REMOVAL OF INTERNATIONAL ASSETS. As soon as reasonably
practicable after the Closing, but in no event later than the respective period
of services to be provided at each location pursuant to the Transition Services
Agreement, Buyer shall arrange to have the Assets held by the Asset Transferor
Entities set forth in Section 7.11 of the DISCLOSURE SCHEDULE removed from the
premises of the Asset Transferor Entities holding such Assets, at Buyer's sole
cost.

                  7.12. EXCLUDED ASSETS AND LIABILITIES. The parties acknowledge
and agree that, to the extent assignable, Excluded Assets relating to the
Companies will be transferred, conveyed or assigned, by dividend or otherwise,
out of the Companies prior to the Closing and will not be included in the
transactions contemplated herein.

                                       43



<PAGE>   48


                  7.13. ACCESS TO RECORDS AFTER EFFECTIVE TIME. (a) For a period
of six years after the Closing, Sellers and their representatives shall have
reasonable access to all of the books and records of the Business with respect
to periods prior to the Closing Date to the extent that such access may
reasonably be required by Sellers in connection with matters relating to or
affected by the operations of the Business prior to the Closing Date. Buyer
shall afford such access upon receipt of reasonable advance notice and during
normal business hours, and Sellers shall be solely responsible for any costs or
expenses incurred by them pursuant to this Section 7.13. If Buyer or its
Affiliates shall desire to dispose of any of such books and records prior to the
expiration of such six-year period, Buyer shall, prior to such disposition, give
Sellers a reasonable opportunity, at Sellers' expense, to segregate and remove
such books and records as Sellers may elect.

                  (b) For a period of six years after the Closing Date, Buyer
and its Affiliates and their respective representatives shall have reasonable
access to all of the books and records relating to the Business which Sellers or
any of their Affiliates may retain after the Closing Date. Such access shall be
afforded by Sellers and their Affiliates upon receipt of reasonable advance
notice and during normal business hours. Buyer or its Affiliates, as the case
may be, shall be solely responsible for any costs and expenses incurred by it
pursuant to this Section 7.13. If Sellers or any of their Affiliates shall
desire to dispose of any of such books and records prior to the expiration of
such six-year period, Sellers shall, prior to such disposition, give Buyer a
reasonable opportunity, at Buyer's expense, to segregate and remove such books
and records as Buyer may elect.

                  7.14. DISCLOSURE SUPPLEMENT. Prior to Closing, Sellers shall
deliver to Buyer supplements to the Disclosure Schedule and Exhibits, if
appropriate, to reflect changes required to be disclosed as of the Closing Date.
Disclosures contained in any supplements amending the DISCLOSURE SCHEDULE
regarding matters occurring after the date hereof shall not be considered to be
a breach of any representation or warranty contained herein, provided, however,
that such supplemental disclosure shall not be taken into account with respect
to Buyer's rights under Section 8.3(b).

                  7.15.  AHP GUARANTY REMOVAL.  Buyer agrees to use best efforts
in cooperation with Sellers to substitute the guaranty of Buyer for AHP's
guaranty under the agreements set forth in Section 7.15 of the DISCLOSURE
SCHEDULE.

                  7.16.  COOPERATION.  If Buyer so requests, Sellers shall 
cooperate with Buyer in seeking an early termination and

                                       44


<PAGE>   49


buy-out of the Distribution Agreement following the Closing on terms mutually
agreeable to the Buyer and Lederle (Japan) Ltd.

                  7.17. ASSUMPTION OF AGREEMENTS. Effective as of the Closing,
(a) AHP hereby assigns to Buyer and Buyer hereby assumes and agrees to be bound
by the obligations of AHP set forth in the purchase and sale agreement as if
Buyer was the named party thereto between Sutures Renodex S.A. and Renolab S.A.,
dated June 14, 1996, as amended by the letter agreement dated June 17, 1996 and
attached as Section 7.17 of the DISCLOSURE SCHEDULE, and (b) AHP hereby assigns
to Buyer and Buyer hereby assumes and agrees to be bound by the obligations of
AHP set forth in the letter agreement dated June 16, 1995 between AHP and Mitsui
& Co., Ltd.

                                  ARTICLE VIII.

                                   CONDITIONS

                  8.1. CONDITIONS TO OBLIGATION OF EACH PARTY TO EFFECT THE
TRANSACTIONS CONTEMPLATED BY THIS AGREEMENT. The obligation of each party to
effect the transactions contemplated by this Agreement shall be subject to the
fulfillment at or prior to the Closing Date of the following conditions:

                  (a) all governmental and other consents and approvals, if any,
necessary to permit the consummation of the transactions contemplated by this
Agreement shall have been obtained and any waiting period (and any extension
thereof) applicable to the consummation of the Agreement under the HSR Act or
under other Competition Laws shall have expired or been terminated; and

                  (b) no preliminary or permanent injunction or other order,
decree or ruling issued by a court of competent jurisdiction or by a
Governmental Authority nor any Applicable Law shall be in effect that would
restrain or otherwise prevent the consummation of the transactions contemplated
by this Agreement.

                  8.2.  CONDITIONS TO THE OBLIGATION OF SELLERS.  The obligation
of Sellers to effect the transactions contemplated by this Agreement is subject
to the fulfillment at or prior to the Closing Date of the following conditions:

                  (a) Buyer shall have performed in all material respects each
obligation and agreement and complied in all material respects with each
covenant to be performed and complied with by each of them hereunder at or prior
to the Closing Date;

                  (b) the representations and warranties of Buyer in this
Agreement shall be true and correct in all material respects as of the Closing
Date with the same force and effect as though

                                       45


<PAGE>   50


made at such time, except for changes contemplated by this Agreement;

                  (c)      Sellers shall have received the waivers and consents
set forth in Section 8.2(c) of the DISCLOSURE SCHEDULE; and

                  (d) Buyer shall have furnished to Sellers a certificate, dated
as of the Closing Date, signed by a duly authorized officer of Buyer to the 
effect that all conditions set forth in Sections 8.2(a) and (b) have been
satisfied.

                  8.3.  CONDITIONS TO THE OBLIGATION OF BUYER.  The obligation
of Buyer to effect the transactions contemplated by this Agreement is subject to
the fulfillment at or prior to the Closing Date of the following conditions:

                  (a) Sellers and their Affiliates shall have performed in all
material respects each obligation and agreement and complied in all material
respects with each covenant to be performed and complied with by them hereunder
at or prior to the Closing Date;

                  (b) the representations and warranties of Sellers in this
Agreement shall be true and correct in all material respects as of the Closing
Date with the same force and effect as though made at such time, except for
changes contemplated by this Agreement; and

                  (c) Sellers shall have furnished to Buyer a certificate, dated
as of the Closing Date, signed by a duly authorized officer of each of the
Sellers to the effect that all conditions set forth in Sections 8.3(a) and (b)
have been satisfied.

                  (d) Buyer shall have received consents or waivers, as
applicable, from (i) B. Braun Medical S.A. with respect to the continuation of
the Joint Ventures in Spain and Portugal and related agreements as set forth in
Section 4.2(c)(ii) of the DISCLOSURE SCHEDULE; (ii) B. Braun Melsungen AG with
respect to the continuation of the Joint Venture in Germany and related
agreements set forth in Section 4.2(c)(ii) of the DISCLOSURE SCHEDULE; and (iii)
Mitsui & Company Ltd. with respect to the assignment of a certain letter
agreement related to the Nippon Sherwood Medical Industries, Ltd. and the
continuation of such Joint Ventures with Buyer. In addition, Sellers shall have
received written consents from the third parties listed in Section 8.3(d) of the
DISCLOSURE SCHEDULE with respect to the assignment (or as a result of a change
of control) of those contracts listed in such Section.

                                       46




<PAGE>   51



                                   ARTICLE IX.

                      AGREEMENTS WITH RESPECT TO EMPLOYEES
                              AND EMPLOYEE BENEFITS

                  9.1.  U.S. EMPLOYEE PLANS.  Sellers hereby represent and 
warrant to Buyer that:

                  (a) Section 9.1(a) of the DISCLOSURE SCHEDULE lists each
employee benefit plan, as such term is defined in Section 3(3) of ERISA, which
(i) is subject to any provision of ERISA, (ii) is maintained by or contributed
to by the Companies or Sellers, and (iii) covers Sherwood Employees,
(hereinafter referred to collectively as the "U.S. Employee Plans"). With
respect to each U.S. Employee Plan, Sellers have made available to Buyer a true
and complete copy of the applicable plan document or summary plan description
and the most recently filed IRS Form 5500. Sellers have provided Buyer with, or
have caused to be provided to Buyer, complete age, salary, service and related
data as of the most recent practicable date for all Employees.

                  (b) Except as disclosed in Section 9.1(b) of the DISCLOSURE
SCHEDULE, none of the Companies nor any of the Companies' ERISA Affiliates has
incurred any liability under Title IV of ERISA arising in connection with the
termination of any Pension Plan which is subject to Title IV of ERISA. No
Pension Plan has incurred any accumulated funding deficiency (within the meaning
of Section 412 of the Code), whether or not waived, and neither the Companies
nor any ERISA Affiliate has failed to make a required installment or any other
payment required under Section 412 of the Code before the applicable due date.
All contributions payable to each defined contribution pension plan, as defined
in Section 3 (34) of ERISA, for all benefits earned and other liabilities
arising through the Closing Date, determined in accordance with the terms and
conditions of such plan, ERISA, and the Code, have been paid or otherwise
provided for, and to the extent unpaid are reflected in the books or financial
statements of the Business.

                  (c) Each U.S. Employee Plan that is intended to satisfy
Section 401(a) of the Code has received a determination letter from the Internal
Revenue Service and to the knowledge of Sellers nothing has occurred since the
issuance of each such letter which could reasonably affect its qualification.

                  (d) Section 9.1(d) of the DISCLOSURE SCHEDULE includes a list
of (x) each management, employment, consulting, or other contract with any
individual providing for the retention of personal services involving the
payment of $160,000 or more, and (y) each plan or arrangement providing for
vacation benefits, supplemental nonqualified benefits, severance benefits,
bonuses,

                                       47



<PAGE>   52



stock options, stock appreciation or other forms of incentive compensation or
post retirement insurance (including retiree life and medical benefits),
compensation or benefits which (i) is not a U.S. Employee Plan, (ii) is entered
into, maintained or contributed to, as the case may be, by any of the Companies
or Sellers, and (iii) covers Sherwood Employees, and dependents or beneficiaries
thereof. Such contracts, plans and arrangements as are described above, copies
or descriptions of all of which have been made available to Buyer, are
hereinafter referred to collectively as the "U.S. Benefit Arrangements".

                  (e) To the knowledge of Sellers, there is no pending or
threatened material claim in respect of any of the U.S. Employee Plans or U.S.
Benefit Arrangements other than routine claims for benefits. Each of the U.S.
Employee Plans and U.S. Benefit Arrangements (i) has been administered in
accordance with its terms in all material respects, and (ii) complies in form,
and has been administered in accordance with the requirements of ERISA and,
where applicable, the Code, in all material respects. Except as disclosed in
Section 9.1(e) of the DISCLOSURE SCHEDULE, no investigation, audit or dispute
relating to any U.S. Employee Plan is pending, or to Sellers' knowledge
threatened, before any governmental agency.

                  (f) To the knowledge of Sellers, none of the Companies nor any
other "disqualified person" (within the meaning of Section 4975 of the Code) or
"party in interest" (within the meaning of Section 3(14) of ERISA) has taken any
action with respect to any of the U.S. Employee Plans which could subject any
such plan (or its related trust) or any of the Companies or any officer,
director or employee of any of the foregoing to any material penalty or tax
under Section 502(i) of ERISA or Section 4975 of the Code.

                  (g) Except as disclosed in Section 9.1(g) of the DISCLOSURE
SCHEDULE, none of the Companies has been required, or has any obligation, to
contribute to a multiemployer plan, as defined in Section 3(37) of ERISA, or has
or expects to have any withdrawal liability assessed against it with respect to
any such multiemployer plan.

                  (h) Except as disclosed in Section 9.1(h) of the DISCLOSURE
SCHEDULE or as may be triggered by Buyer's failure to fulfill any of its
obligations to Employees under Sections 9.3 and 9.4, none of the Companies have
by reason of the transaction contemplated hereby, any obligation to make any
payment to any Sherwood Employee pursuant to any plan or existing contract or
arrangement.

                  9.2.  INTERNATIONAL PLANS.  Sellers hereby represent and 
warrant to Buyer that:

                                       48



<PAGE>   53



                  (a) Section 9.2(a) of the DISCLOSURE SCHEDULE lists each
material employee benefit plan, program, policy or practice maintained or
contributed to by any of the Companies or Asset Transferor Entities for the
Sherwood International Employees (other than Governmental Authority mandated
plans or funds maintained or contributed to by Companies and Asset Transferor
Entities pursuant to Applicable Laws), including, without limitation, vacation,
severance, disability, medical, dental, hospitalization, life insurance and
incentive bonus, savings and retirement plans ("International Plans"). Summary
descriptions of each International Plan will be made available to Buyer by
Sellers.

                  (b) To the knowledge of Sellers, all International Plans are
in compliance with, and have been administered in compliance with Applicable
Laws, in all material respects and contributions required to be made to each
such plan under the terms of the plan or any contract or labor or collective
bargaining agreement or Applicable Law have been made or reserved.

                  9.3.  BUYER'S OBLIGATIONS TO EMPLOYEES.

                   (a)  Buyer shall be obligated to continue the employment of
the Employees or offer employment to Employees on the following basis:

                   (i)  Buyer shall cause the Companies to continue the
         employment of all Employees;

                  (ii) With respect to Employees employed by the Asset
         Transferor Entities, except as set forth in subsection (iii) below,
         Buyer shall offer or cause an Affiliate of Buyer to offer to hire each
         such Employee on the Closing Date, in a comparable position, at the
         same or greater pay than that enjoyed by such Employee immediately
         prior to the Closing Date; and

                  (iii) Buyer agrees to offer employment to all union, work
         council or labor represented Employees and agrees to assume the terms
         and conditions of any union, work council or collective bargaining
         agreements as in effect on the Closing Date.

                  (b)  Buyer shall make the following payments or provide the
following notification to Employees whom it terminates after the Closing Date:

                  (i)  After the Closing Date, the Companies or the Buyer, as 
         the case may be, will have sole responsibility for any obligations or 
         liabilities to Sherwood Employees at all

                                       49

<PAGE>   54



         locations under the Worker Adjustment and Retraining Notification Act
         or similar Applicable Laws of any jurisdiction relating to any plant
         closing or mass layoff or as otherwise required by any such Applicable
         Law;

                  (ii) Buyer shall make or cause the Companies to make a
         severance payment to each Sherwood Employee whose employment is
         terminated by the Buyer or the Companies because of a termination
         without cause (as defined) or reduction in the workforce or job
         elimination at any time within the 21-month period following the
         Closing Date; provided that such Sherwood Employee executes Buyer's
         standard liability release form and waives any recall or similar return
         to work rights. For exempt and non-exempt Sherwood Employees, the
         payment will be calculated on the basis of two weeks base pay for each
         full year of service to the Companies or Sellers or their Affiliates,
         with a minimum payment of 12 weeks and a maximum payment of 52 weeks;
         provided, however, that for individuals listed on Section 9.3(b)(ii) of
         the DISCLOSURE SCHEDULE, the minimum severance payment will be in
         accordance with the formula set forth therein, and provided further
         that for Sherwood Employees who earn greater than $75,000 U.S. per
         year, the minimum severance payment will be six months. No such
         severance payments shall be made if an Employee is terminated for
         "Cause" which for purposes of this Section shall be defined as (i)
         fraud, embezzlement against the Buyers or its Affiliates, falsification
         of records or similar acts; (ii) gross neglect of or a gross failure to
         perform substantial job duties, (iii) commission of a felony crime, or
         (iv) demonstrated substance abuse. Buyer shall or shall cause the
         Companies to make severance payments if a Sherwood Employee resigns
         from employment with the Company within 21 months after the Closing
         Date because (w) there is a reduction in his or her salary (other than
         for Cause); (x) there is a materially adverse reduction in the nature
         and extent of his or her job responsibilities; or (y) a condition of
         continued employment is a relocation of principal work place of greater
         than 25 miles (collectively "Constructive Termination"). Buyer shall
         also provide reasonable outplacement services consistent with the
         services provided to Buyer's similarly situated employees. Those
         reasonable services shall include one year for executives; six months
         for senior managers and professionals who earn $75,000 and above; three
         months for managers and professionals earning between $50,000 and
         $75,000; and one month for all other employees earning less than
         $50,000; and a three day workshop for all non-exempt, non-union
         employees.

                  (iii) Notwithstanding any other provision of this
         Article 9, in the event that Buyer or its Affiliates

                                       50

<PAGE>   55


         terminate an Employee who is covered by a collective bargaining
         agreement within the 21 month period after the Closing Date, Buyer
         shall, or shall cause the Companies or an Affiliate of Buyer as the
         case may be, to pay severance payments in accordance with the terms of
         such collective bargaining agreement;

                  (iv) For a period of three months following the termination of
         employment of a Sherwood Employee which triggers a severance payment
         under subsection (ii) or (iii) above, Buyer will also extend, or cause
         its Affiliate to extend coverage at Sellers' cost under its basic life
         insurance, medical, dental and prescription drug plans to such
         terminated Sherwood Employees and will extend or cause its Affiliates
         to extend coverage under its educational assistance plan to those
         terminated Sherwood Employees who participated in an educational
         assistance plan as of their date of termination; provided that Buyer
         shall remit to Sellers quarterly requests for payments of such costs;
         and

                  (v) Buyer shall, or shall cause the Companies or an Affiliate
         of Buyer as the case may be, to make a severance payment to each
         Sherwood International Employee whose employment is terminated within
         the 21-month period following the Closing Date provided that such
         Sherwood International Employee executes Buyer's standard liability
         release form, or whose employment is terminated or deemed to be
         terminated by operation of law as a result of the transactions
         contemplated herein, in an amount equal to the greater of the severance
         payment due in accordance with the applicable International Plan as set
         forth in Section 9.3(b)(v) of the DISCLOSURE SCHEDULE relating to
         severance payments or severance payments due in accordance with
         Applicable Laws. In addition, Buyer shall, or shall cause an Affiliate
         to make a severance payment if an International Employee resigns
         because of a Constructive Termination event. Buyer shall promptly
         reimburse Sellers for any payments in the nature of severance payments
         required to be made by an Asset Transferor Entity to a Sherwood
         International Employee as a result of the transactions contemplated
         herein.

                  9.4.  TREATMENT OF SELLERS' U.S. EMPLOYEE PLANS AND U.S. 
BENEFIT ARRANGEMENTS.

                  (a) (i) No assets of any Pension Plans except as may be
otherwise provided in Article 9, U.S. Employee Plan or U.S. Benefit Arrangement
shall be transferred to Buyer or any of its Affiliates or to any plan of Buyer
or any of its Affiliates and the Buyer and its Affiliates shall assume no
liability or obligation of Sellers, the Companies or any of their Affiliates

                                       51



<PAGE>   56



under any of the U.S. Employee Plans, the U.S. Benefit Arrangements or the
Pension Plans.  Buyer shall be under no obligation to establish any pension plan
or post retiree medical benefit plan to cover the Sherwood Employees subsequent
to the Closing Date.

                  (ii) For a period of up to six months after the Closing Date
or until such time as Buyer provides written notice to Sellers to cease
administration, whichever is earlier, Sellers shall continue to provide
administration for Sherwood Employees under mirror image plans established by
Sellers in Buyer's name with Buyer as sponsor, and in addition Sellers shall pay
all costs of such benefits provided to such Sherwood Employees in an amount not
to exceed $7.1 million. Such plans include Sellers' medical, hospitalization,
dental, prescription drug, death, life insurance, accidental death and
dismemberment, spending accounts, short-term disability and long-term disability
benefits ("Buyers' U.S. Welfare Plans"). Buyer shall reimburse Sellers for all
costs and expenses associated with respect to administering the Buyers' U.S.
Welfare Plans during such interim period under the mirror image plans referenced
above and shall be responsible for all costs of such benefits in excess of $7.1
million.

                  (iii) For a period of up to six months after the Closing Date,
the Companies and Buyer shall provide the Sherwood Employees with (in the
aggregate) substantially equivalent plans, benefits, programs, and policies and
in the same location, subject however to the rights of Buyer, the Companies or
any Affiliate of Buyer to terminate any Sherwood Employee at will after the
Closing Date; PROVIDED HOWEVER, that the Companies and Buyer shall not be
obligated to provide any type of pension plan benefit to the Sherwood Employees.


                  (iv) The Companies and the Buyer shall assume all obligations
under all union and labor contracts to the extent related to Sherwood Employees
(employees covered by collective bargaining agreements shall be provided with
such benefits as shall be required under the terms of any applicable collective
bargaining agreement).

                  (v) At the expiration of the six-month period following the
Closing Date, Buyer shall provide the Sherwood Employees with plans, programs,
policies and benefits no less favorable than those offered to similarly situated
employees of Buyer.

                  (b) Sellers shall amend, or cause the Companies to amend, its
Pension Plans to provide that all service completed by the Sherwood Employees
for Buyer or its Affiliates after the Closing Date shall be recognized for
purposes of vesting and satisfying any requirements for early retirement
subsidies under

                                       52



<PAGE>   57



Sellers' Pension Plans; provided, however, that if the cessation of accruals for
the Sherwood Employees under any of the Sellers' Pension Plans results in a
partial termination of that Pension Plan, Sellers shall fully vest the affected
Sherwood Employees in that Pension Plan. In addition, Sellers shall amend its
Pension Plans, at Sellers' sole cost and expense, to credit Sherwood Employees
with credited service with Buyer for up to one additional year of service after
the Closing Date, provided, however, that such service shall only be credited to
the extent it does not adversely affect the qualified status of the Plan.

                  (c) Sellers shall amend, or cause the Companies to amend, the
American Home Products Corporation Savings Plan, the American Home Products
Corporation Savings Plan-Puerto Rico and the Cyanamid Union Employees Savings
Plan (the "Sellers' U.S. Savings Plans") to provide that all Sherwood Employees
are fully vested in their account balances under the Sellers' U.S. Savings Plans
as of the Closing Date. Buyer shall recognize Sherwood Employees' service with
Sellers or their Affiliates for purposes of determining eligibility to
participate, vesting of benefits and eligibility for company matching
contributions in Buyer's savings plans ("Buyer's Savings Plans") after the
Closing Date. Sellers shall transfer the assets and liabilities attributable to
the Sherwood Employees from Sellers' U.S. Savings Plans to Buyer's Savings Plans
which meet the requirements of Section 401(a) of the Code or Section 165 of the
Puerto Rico Tax Act, as soon as practicable following the Closing Date.

                  (d) With respect to the Sherwood Employees, Sellers shall
retain liability under any group life, accident, worker's compensation, medical,
hospitalization, prescription drug, dental, spending account or disability plan,
whether or not insured, for any claims incurred on or prior to the Closing Date,
and Buyer shall assume all liability for claims arising after the Closing Date
under its group life, accident, worker's compensation, medical, hospitalization,
prescription drug, dental, spending account or disability plan. For purposes of
this Section 9.4(d) claims shall be deemed to have arisen:

                   (i) With respect to all death or dismemberment claims,
         on the actual date of death or dismemberment;

                  (ii) With respect to disability or salary continuance claims,
         on the day the claimant became disabled or otherwise entitled to salary
         continuation;

                  (iii) With respect to all hospital, medical, drug or dental
         claims, on the date the service or supply was purchased or received by
         the claimant; and

                                       53





<PAGE>   58



                  (iv) With respect to worker's compensation claims which are
         single accident specific, on the date of the occurrence, and with
         respect to all other worker's compensation claims, on the date the
         award is made.

                  (e) Buyer maintains medical, hospitalization, dental,
prescription drug, death, life insurance, accidental death and dismemberment,
spending accounts, short-term disability and long-term disability benefit plans
for its employees covered by this Section 9.4(e) ("Buyer's U.S. Welfare Plans").
Subject to the provisions of Section 9.4(a)(ii) above, as of the Closing Date,
all Sherwood Employees shall be eligible to participate in Buyer's U.S. Welfare
Plans in accordance with the terms of such plans, and employment with Sellers or
their Affiliates will be taken into account for purposes of determining
eligibility to participate and benefits under Buyer's U.S. Welfare Plans;
provided, however, that

                  (i) Sherwood Employees shall participate under Buyer's U.S.
         Welfare Plans as of the day after the Closing Date without any waiting
         periods, without evidence of insurability, and without application of
         any pre-existing physical or mental condition limitations except to the
         extent applicable under similar plans maintained by Sellers; and

                  (ii) Buyer shall count claims arising on or prior to the
         Closing Date for purposes of satisfying deductibles, out-of pocket
         maximums, and all other similar limitations.

                  (f) Sellers maintain a program of medical and life insurance
benefits for certain retired employees ("AHP U.S. Retiree Welfare Plans"). As of
the Closing Date, all Sherwood Employees who satisfy the eligibility criteria
for benefits as of such date under the AHP U.S. Retiree Welfare Plans shall
receive such benefits from the AHP U.S. Retiree Welfare Plans following their
termination from Buyer or its Affiliates in accordance with the terms of the AHP
U.S. Retiree Welfare Plans as of such date. Sellers recognize that Buyer does
not and will not be required to maintain any U.S. retiree welfare plans. Sellers
shall retain any and all liabilities or obligations relating to or arising out
of the AHP Retiree Welfare Plans.

                  (g) Buyer shall be responsible for any legally mandated
continuation of health care coverage for all Sherwood Employees and/or their
covered dependents who have a loss of health care coverage due to a qualifying
event (as defined in Section 4980B of the Code) that occurs after the Closing
Date.

                                       54




<PAGE>   59


               9.5. INTERNATIONAL EMPLOYEES OF THE EUROPEAN UNION
("EU").

                  (a) Notwithstanding Section 9.3(a)(ii), Sellers and Buyer
accept and agree that the transfer of employment of the Sherwood International
Employees in the EU countries (hereinafter referred to as "European Employees")
will be effected and governed by the Transfer Provisions (defined below) and
accordingly the contract of employment of each European Employee shall be
assumed by Buyer or its Affiliate with effect from the Closing Date which shall
be the time of transfer under the Transfer Provisions.

                  (b) Buyer shall ensure that its Affiliates (where necessary)
comply with their respective obligations under the Transfer Provisions and upon
request provide Sellers or the relevant Sellers' Affiliate with such information
as will enable either Sellers or its Affiliate as the case may be to carry out
its duties under the Transfer Provisions concerning measures to effectuate the
transfer of the European Employees to Buyer.

                  (c) "Transfer Provisions" means any legislation implementing
the provisions of Directive 77/187/EEC commonly called the Acquired Rights
Directive or Transfer of Undertakings Directive.

                 9.6. TREATMENT OF SELLERS' INTERNATIONAL PLANS.

                  (a) With respect to those countries where Sherwood
International Employees are employed on the Closing Date, for a period of up to
six months after the Closing Date or until such time that buyer provides written
notice to Sellers to cease administration, whichever is earlier, Sellers shall
continue to provide administration for Sherwood International Employees under
mirror image plans established by Sellers in Buyer's name with Buyer as sponsor.
Such plans include Sellers' retirement (defined benefit and defined
contribution) plans, savings plans, medical, hospitalization, dental,
prescription drug, death, life insurance, accidental death and dismemberment,
spending accounts, short-term disability and long-term disability benefits
("Buyer's International Retirement, Savings & Welfare Plans"). Buyer shall
reimburse Sellers for all costs and expenses associated with respect to
administering the Buyer's International Retirement, Savings & Welfare Plans
during such interim period. For a period of six months after the Closing Date,
the Companies and Buyer shall provide the Sherwood International Employees with
(in the aggregate) substantially equivalent plans, benefits, programs, and
policies and in the same location, subject however to the rights of Buyer, the
Companies or any Affiliate of Buyer to terminate any Sherwood International
Employee at will after the Closing Date. At the expiration of the six-month
period

                                       55



<PAGE>   60



following the Closing Date, Buyer shall provide, or cause its Affiliates to
provide, the Sherwood International Employees with plans, programs, policies and
benefits no less favorable than those offered to similarly situated employees of
Buyer. Buyer shall recognize all service completed by the Sherwood International
Employees with Sellers or their Affiliates for purposes of such plans, programs
and benefits. PROVIDED, HOWEVER, that (i) Sherwood International Employees shall
participate under Buyer's International Welfare Plans without any waiting
periods, without any evidence of insurability, and without application of any
pre-existing physical or mental condition limitations, except to the extent
applicable under Sellers' International Plans, and (ii) Buyer shall count claims
arising on or prior to the Closing Date for purposes of satisfying deductibles,
out-of-pocket maximums, and other similar limitations.

                  (b) Except as expressly set forth in this Section 9.6(c), or
as required by Applicable Law, no assets of any International Plan shall be
transferred to Buyer or any of its Affiliates or to any plan of Buyer or any of
its Affiliates. Buyer shall assume no obligations or liabilities with respect to
any International Plans pursuant to which no assets are transferred to Buyer.
Buyer shall assume, or cause its Affiliates to assume, the assets and
liabilities of any defined contribution plan, individual account plan, or fully
insured plan without potential for reversion, maintained by Sellers, the
Companies or any Affiliates for the benefit of the Sherwood International
Employees. With respect to any defined benefit plan which is required under
Applicable Law to transfer assets and liabilities to the Buyer and with respect
to the International Plans set forth on Section 9.6(c) of the DISCLOSURE
SCHEDULE, the assets and liabilities to be transferred shall be based on
reasonable actuarial assumptions and generally accepted valuation methods as
determined by Sellers' actuary subject to the review of the Buyer's actuary. In
the event the actuaries are unable to agree on the valuation of the assets and
liabilities, the parties shall appoint an independent third party actuary to act
as expert. If the parties cannot agree on an independent third party actuary,
one shall be appointed by the Institute of Actuaries in London. The parties
shall share in the cost arising from the appointment of such independent third
party expert. Sellers shall take whatever action is reasonably required to
ensure that such plans and arrangements and all related plan assets or reserves
are maintained by, and subject to the control of, the Companies on or prior to
the Closing Date.

                  (c) Sellers shall, and shall cause its Affiliates, to fully
vest the Sherwood International Employees in any accounts maintained under any
International Plans as of the Closing Date which are defined contribution in
nature. Buyer shall recognize

                                       56



<PAGE>   61



each Sherwood International Employee's service with Sellers and Sellers'
Affiliates for purposes of determining retirement and savings plan eligibility
for participation, vesting of benefits, and service requirements for disability,
subsidized early retirement and preretirement death benefits under the
appropriate Buyer's International Retirement and Savings Plans, but not benefit
accrual purposes under the appropriate Buyer's International Retirement Plan.

                  (d) With respect to all Sherwood International Employees,
Sellers shall retain liability under any group life, accident, worker's
compensation, medical, hospitalization, prescription drug, dental or disability
plan, whether or not insured, for any claims incurred on or prior to the Closing
Date and Buyer shall assume, all liability for claims arising after the Closing
Date under any group life, accident, worker's compensation, medical,
hospitalization, prescription drug, dental or disability plan. For purposes of
this Section 9.6(e), claims shall be deemed to have arisen:

                  (i)  with respect to all death or dismemberment claims,
on the actual date of death or dismemberment;

                  (ii) with respect to disability or salary continuance claims,
on the day the claimant became disabled or otherwise entitled to salary
continuation;

                  (iii) with respect to all hospital, medical, drug or
dental claims, on the date the service or supply was purchased or
received by the claimant; and

                  (iv)  with respect to worker's compensation claims which are
single accident specific, on the date of the occurrence, and with respect to all
other worker's compensation claims, on the date the award is made.

                  9.7. STOCK OPTIONS. AHP shall be responsible for and incur the
costs of stock option compensation, if any, for all Employees with stock options
from AHP. This includes payments, if any, that may be made to Employees relating
to non-exercisable stock options as of the Closing Date. AHP shall be liable for
any payments, withholding obligations and reporting obligations that arise on or
after the Closing Date under this Section 9.7 under any applicable AHP Stock
Option or Stock Incentive Plan in accordance with its terms.

                  9.8.  NO THIRD PARTY BENEFICIARIES.  No provision of this 
Agreement shall create any third party beneficiary or other rights in any
Employee (including any beneficiary or dependent thereof) or any persons in
respect of continued employment with any of the Companies, with Sellers, or with
any of their

                                       57



<PAGE>   62



Affiliates and no provision of this Agreement shall create any such rights in
any such persons in respect of any benefits that may be provided, directly or
indirectly, under any U.S. Employee Plan or U.S. Benefit Arrangement, any
International Plan or any plan or arrangement which may be established by Buyer
or any of its Affiliates. No provision of this Agreement shall constitute a
limitation on the right of Buyer, any of the Companies or any Affiliates of
Buyer to terminate any Employee at will.

                                   ARTICLE X.

                        TERMINATION, AMENDMENT AND WAIVER

                  10.1.  TERMINATION.  This Agreement may be terminated
at any time prior to the Closing Date:

                  (a) by mutual consent of Buyer and Sellers;

                  (b) by Buyer or Sellers if the Closing shall not have occurred
on or prior to May 15, 1998, PROVIDED, HOWEVER, that the right to terminate
under this Section 10.1(b) shall not relieve any party whose failure to fulfill
any obligation under this Agreement has been the cause of, or resulted in the
failure of the Closing to occur on or before such date of any liability of such
party to the other party hereunder for such failure; or

                  (c) subject to Section 7.4, by Buyer or Sellers if a court of
competent jurisdiction or governmental, regulatory or administrative agency or
commission shall have issued an order, decree or ruling or taken any other
action, in each case permanently restraining, enjoining or otherwise prohibiting
the transactions contemplated by this Agreement, and such order, decree, ruling
or other action shall have become final and nonappealable.

                  The date on which this Agreement is terminated pursuant to any
of the foregoing subsections of this Section 10.1 is herein referred to as the
"Termination Date."

                  10.2. EFFECT OF TERMINATION. Except as set forth in Sections
7.1 and 7.3, upon the termination of this Agreement pursuant to Section 10.1,
all further obligations of the parties under this Agreement shall terminate
without further liability of any party to the others, except that nothing herein
shall relieve any party from liability for breach of any provision of, or for
any misrepresentation under this Agreement, or be deemed to constitute a waiver
of any available remedy for any such breach or misrepresentation.

                                       58





<PAGE>   63



                                   ARTICLE XI.

                                 INDEMNIFICATION

                  11.1. INDEMNIFICATION. (a) Except with respect to any claim
related to Taxes for which Section 7.6 of this Agreement shall provide the sole
and exclusive remedy, and subject to Section 11.3, Sellers shall jointly and
severally indemnify, defend and hold harmless Buyer and the Companies and their
respective Affiliates, officers, directors, employees and controlling Persons
from any liability, damage, deficiency, loss, judgments, assessments, cost or
expense, including reasonable attorneys' fees and costs of investigating and
defending against lawsuits, complaints, actions or other pending or threatened
litigation (being hereafter referred to in this Article 11 as "Costs"), arising
from or attributable to:

                   (i) the breach of any representation or warranty made
         by Sellers in this Agreement (other than in Section 11.1(g));

                  (ii) any failure of Sellers duly to perform or observe
         any covenant or agreement to be performed or observed by Sellers 
         pursuant to this Agreement; and

                  (iii) the Excluded Liabilities and, to the extent remaining in
         the Companies, the categories of liabilities contained in the Excluded
         Liabilities.

                  (b) Except with respect to any claim related to Taxes for
which Section 7.6 of this Agreement shall be the sole and exclusive remedy of
Sellers, Buyer shall indemnify and hold harmless Sellers, their officers,
directors, employees and Affiliates from Costs arising from or attributable to:

                   (i) the breach of any representation or warranty made by 
         Buyer in this Agreement;

                  (ii) any failure of Buyer duly to perform or observe any 
         covenant or agreement to be performed or observed by Buyer pursuant to 
         this Agreement;

                  (iii) the Assumed Liabilities;

                  (iv) except for the matters for which Sellers would be
         obligated to indemnify Buyer under Sections 11.1(a), (d), (e), (f) and
         (i) and 7.6, any other liabilities of the Companies and any liabilities
         of Sellers or its Affiliates arising out of, or relating primarily to,
         the Business after the Closing; and

                                       59




<PAGE>   64



                  (v) AHP's guaranty obligations described in Section
         7.15 of the DISCLOSURE SCHEDULE.

                  (vi) any violation of Environmental Laws arising out of or
         relating to any of the Real Property or any premises at which the
         Business has been conducted, or any Release or threatened Release of
         any Hazardous Substance at any of the Real Property or any premises at
         which the Business has been conducted, or at, on or beneath any third
         party waste disposal site to which any Hazardous Substance has been
         sent by the Companies, or to the extent related to the Business, the
         Buyer or its Affiliates (or any successor to the Business) on or after
         the Closing Date and for which, in each case, only to the extent that
         Buyer is not entitled to indemnification pursuant to Sections 11.1(e)
         or 11.1(f).

         (c) Notwithstanding any time or dollar limitations placed on Sellers'
or Buyer's indemnification obligations contained elsewhere in this Agreement
which shall not apply to this subparagraph (c), Sellers and Buyer shall
indemnify the other for all Taxes for the periods and in the manner described in
Section 7.6 and Buyer will satisfy all its obligations thereunder.

         (d) Notwithstanding any time or dollar limitations placed upon Sellers'
indemnification obligations elsewhere in this Agreement which shall not apply to
this subparagraph (d), Sellers shall jointly and severally indemnify, defend and
hold harmless Buyer and the Companies and their respective Affiliates, officers,
directors, employees and controlling Persons for all Costs based upon, arising
out of or resulting from all occurrences of injuries before the Closing based
upon, arising out of or resulting from the use of a product of the Business and
Buyer shall indemnify, defend and hold harmless Sellers and their respective
Affiliates, officers, directors, employees and controlling Persons for all Costs
based upon, arising out of or resulting from all occurrences of injuries after
the Closing based upon, arising out of or resulting from the use of a product of
the Business.

         (e) Notwithstanding any time or dollar limitations placed upon Sellers'
indemnification obligations elsewhere in this Agreement, which shall not apply
to this subparagraph (e), Sellers shall jointly and severally indemnify, defend
and hold harmless Buyer and the Companies and their respective Affiliates,
officers, directors, employees and controlling persons against any and all
Costs, whether arising under Environmental Laws or at common law, and whether or
not such matters are disclosed pursuant to this Agreement, arising out of or
resulting from:

                                       60

<PAGE>   65




                  (i) (A) any pre-Closing Date violation of Environmental Laws
by the Sellers, the Asset Transferor Entities or the Companies arising out of or
relating to any of the Real Property or any premises at which the Business has
been conducted of which Sellers have knowledge, including without limitation,
those matters disclosed in Section 11.1(g) of the DISCLOSURE SCHEDULE or (B) any
Release or threatened Release of any Hazardous Substance arising out of or
resulting from the preClosing Date conduct of the Business by the Sellers, the
Asset Transferor Entities or the Companies at any of the Real Property or any
premises at which the Business has been conducted of which Sellers have
knowledge, including without limitation, those matters disclosed in Section
11.1(g) of the DISCLOSURE SCHEDULE or (C) any Release or threatened release of
any Hazardous Substance of which Sellers have knowledge generated prior to the
Closing by the Companies or, to the extent related to the Business, Sellers or
the Asset Transferor Entities at, on or beneath any third party waste disposal
site to which such Hazardous Substance has been sent prior to Closing, including
without limitation, those matters disclosed in Section 11.1(g) of the DISCLOSURE
SCHEDULE; and

                  (ii) any liabilities or Costs arising out of or resulting from
the presence or Release of any Hazardous Substance prior to the Closing Date at,
on, or beneath any of the Real Property or any premises at which the Business
has been conducted whether or not attributable to the operations of the Sellers,
the Asset Transferor Entities or the Companies of which Sellers have knowledge,
including without limitation, those matters disclosed in Section 11.1(g) of the
DISCLOSURE SCHEDULE.

         (f) Sellers shall jointly and severally indemnify, defend and hold
harmless Buyer and the Companies and their respective Affiliates, officers,
directors, employees and controlling persons against any and all Costs, whether
arising under Environmental Laws or at common law, arising out of or resulting
from: (A) any pre-Closing Date violation of Environmental Laws by Sellers, the
Asset Transferor Entities or the Companies arising out of or relating to any of
the Real Property or any premises at which the Business has been conducted of
which Sellers have no knowledge, or (B) any Release or threatened Release of any
Hazardous Substance arising out of or resulting from the pre-Closing Date
conduct of the Business by the Sellers, the Asset Transferor Entities or the
Companies at any of the Real Property or any premises at which the Business has
been conducted of which Sellers have no knowledge; or (C) any Release or
threatened Release of any Hazardous Substance of which Sellers have no knowledge
generated prior to the Closing Date by the Companies or, to the extent related
to the Business, the Sellers or the Asset Transferor Entities at, on or beneath
any third

                                       61



<PAGE>   66



party waste disposal site to which such Hazardous Substance has been sent prior
to Closing.

         Sellers indemnification obligations contained in this Section 11.1(f)
shall only apply to claims made by Buyer which are tendered to Sellers within
five (5) years of the Closing Date. In addition, Buyer, the Companies and their
Affiliates, officers, directors, employees and controlling persons shall not be
entitled to receive any Costs for any individual claim under this Section
11.1(f) until the aggregate amount of said claim suffered shall exceed $100,000;
at which time the indemnification hereunder shall apply to all Costs in excess
of $100,000. Furthermore, the maximum liability under this Section 11.1(f) for
Sellers shall not exceed $40,000,000 in the aggregate. For purposes hereof,
Costs arising out of or resulting from the same event shall constitute an
individual claim.

         (g) Solely for purposes of establishing certain matters as to which
Sellers have knowledge, for purposes of Section 11.1(e), Sellers hereby confirm
that, except as disclosed in Section 11.1(g) of the DISCLOSURE SCHEDULE, to the
knowledge of Sellers:

                  (i) the Companies, the Asset Transferor Entities and/or the
Sellers have obtained those material environmental permits, licenses or
approvals required by law and necessary for the conduct of the Business other
than those the absence of which would not reasonably be expected to have a
Material Adverse Effect and are in compliance with such permits and other
requirements of applicable Environmental Laws except where the failure to so
comply would not reasonably be expected to have a Material Adverse Effect;

                  (ii) none of the Companies, or, to the extent related to the
Business, the Asset Transferor Entities or Sellers has received any written
notice of and is not otherwise aware of any claims by any Governmental Authority
alleging a violation of any Environmental Laws which have not been complied with
and no such actions are threatened;

                  (iii) the Real Property does not contain any underground
storage tanks, surface impoundments containing any Hazardous Substance,
PCB-containing materials or any exposed, friable asbestos-containing materials;

                  (iv) none of the Companies, or, to the extent related to the
Business, the Asset Transferor Entities or Sellers has received any written
notice, claim, or request for information relating to any third party waste
disposal site or former property, alleging that either of them is or may be
liable to any Person or Governmental Authority as a result of a Release or
threatened Release by any of the Companies, or, to the extent

                                       62



<PAGE>   67



related to the Business, the Asset Transferor Entities or Sellers or generated
by any of the Companies, or, to the extent related to the Business, the Asset
Transferor Entities or Sellers; and

                  (v)  there has been no Release at or on any Real Property.

         (h) Notwithstanding any other provisions contained in Section 11.1, (A)
Sellers shall have the power and right to direct, manage, and control, and take
such actions as are reasonably necessary in connection with, any defense,
remediation, or other resolution of any claim, event or condition subject to
indemnification under Sections 11.1(e) and 11.1(f), provided that Sellers shall
have first notified and consulted with Buyer with respect thereto; (B) Buyer
agrees that, in exercising its rights under Sections 11.1(e) and 11.1(f), no
environmental audit or other assessment will be undertaken for the purpose of
discovering any conditions that might result in Costs with respect to which
Sellers would be required to provide indemnification pursuant to Sections
11.1(e) or 11.1(f) unless required to do so by a demand, complaint, order or
directive of a Governmental Authority acting within the scope of its
jurisdiction or authority, except that Buyer may conduct reasonable
environmental inspections and compliance audits and assessments of the Business
and its assets and properties in the ordinary course as part of a compliance
program so long as any inspection or audit is performed in a manner consistent
with the manner in which Buyer generally conducts such inspections or audits for
its other facilities. To the extent that a bona fide prospective purchaser of
any of the Real Property requests authorization to conduct an environmental
assessment of such property in the course of its due diligence investigation
with respect to such purchase, Buyer may permit the conduct of a nonintrusive
Phase I investigation of such property and, upon prior notice to Sellers, permit
a Phase II intrusive investigation of such property, which such Phase II shall
be subject to Sellers' prior review and comment.

         (i) Notwithstanding any time or dollar limitations placed upon Sellers'
indemnification obligations elsewhere in this Agreement, which shall not apply
to this subparagraph (i), Sellers shall jointly and severally indemnify, defend
and hold harmless Buyer and the Companies and their respective Affiliates,
officers, directors, employees and controlling persons against any and all Costs
in connection with any lawsuits, actions or proceedings, pending, as of the
Closing Date against (x) any of the Companies or (y) any of the Sellers or the
Asset Transferor Entities relating to the Business, including without
limitation, all of such lawsuits, actions or proceedings listed in Sections
4.11(a) and (b) of the DISCLOSURE SCHEDULE.

                                       63




<PAGE>   68



                  11.2. PROCEDURES. (i) Promptly after the receipt by any Person
entitled to indemnity hereunder of notice under this paragraph 11.2, of (a) any
claim or (b) the commencement of any action or proceeding, such Person (the
"Aggrieved Party") will, if a claim with respect thereto is to be made against
any party obligated to provide indemnification pursuant to this Article 11, (the
"Indemnifying Party") give such Indemnifying Party written notice of such claim
or the commencement of such action or proceeding and shall permit the
Indemnifying Party to assume the defense of any such claim, action or
proceeding, or any litigation resulting from such claim; provided that the
failure of the Aggrieved Party to give such notice or delay thereof shall not
affect the Aggrieved Party's rights to indemnification hereunder except to the
extent such failure or delay impairs the Indemnifying Party's ability to contest
any such claim, action, proceeding or litigation, and, upon such assumption,
shall cooperate fully with the Indemnifying Party in the conduct of such
defense. This duty on the part of the Aggrieved Party to cooperate in such
defense shall include, but not be limited to, making available present and
former employees to act as witnesses, consult with counsel, and assist in the
location and production of documents at the reasonable out-of-pocket cost of the
Indemnifying Party. The Aggrieved Party shall make available to the Indemnifying
Party all books and records as may have relevance to the litigation. Failure by
the Indemnifying Party to notify the Aggrieved Party of its election to defend
any such action within 15 days after notice thereof shall have been given to the
Indemnifying Party, shall be deemed a waiver by the Indemnifying Party of its
right to defend such action. If the Indemnifying Party assumes the defense of
any such claim or litigation resulting therefrom, the obligations of the
Indemnifying Party as to such claim or litigation shall be limited to taking all
steps necessary in the defense or settlement of such claim or litigation
resulting therefrom and to holding the Aggrieved Party harmless from and against
any and all Costs caused by or arising out of any settlement or any judgment in
connection with such claim or litigation resulting therefrom, (subject to
Section 11.3, if applicable). The Aggrieved Party may participate, at its
expense, in the defense of such claim or litigation, PROVIDED that the
Indemnifying Party shall direct and control the defense of such claim or
litigation. The Indemnifying Party shall not, in the defense of such claim or
any litigation resulting therefrom, consent to entry of any judgment, except
with the written consent of the Aggrieved Party, or enter into any settlement,
except with the written consent of the Aggrieved Party, which does not include
as an unconditional term thereof the giving by the claimant or the plaintiff to
the Aggrieved Party of a release from all liability in respect of such claim or
litigation.

                  (ii)     If the Indemnifying Party shall not assume the

                                       64



<PAGE>   69



defense of any such claim or litigation resulting therefrom, the Aggrieved Party
may defend against such claim or litigation in such manner as it may deem
appropriate and, unless the Indemnifying Party shall deposit with the Aggrieved
Party a sum equivalent to the total amount demanded (subject to the limitation
set forth in Section 11.3) in such claim or litigation less (except in cases in
which the Minimum Loss provisions are inapplicable) the Minimum Loss not already
incurred, or shall deliver to the Aggrieved Party a surety bond or an insurance
policy specifically covering such amount, in either case in form and substance
reasonably satisfactory to the Aggrieved Party, in such amount, the Aggrieved
Party may settle such claim or litigation on such terms as it may deem
appropriate, and the Indemnifying Party shall promptly reimburse the Aggrieved
Party for the amount of all Costs incurred by the Aggrieved Party in connection
with the defense against or settlement of such claim or litigation, subject to
Section 11.3. If no settlement of such claim or litigation is made, the
Indemnifying Party shall promptly reimburse the Aggrieved Party for the amount
of any Costs incurred by the Aggrieved Party in the defense against such claim
or litigation, subject to Section 11.3.

                  (iii) If there shall be any conflicts between the provisions
of this Section 11.2 and Section 7.6(c) (relating to Tax contests), the
provisions of Section 7.6(c) shall control with respect to Tax contests.

                  11.3. LIMITATIONS. An Aggrieved Party shall not be entitled to
recover any Costs under Section 11.1(a)(i) (other than in respect of Sections
4.2 and 4.17 as to which this Section 11.3 shall not apply) until the aggregate
amount of the Costs suffered by the Aggrieved Party thereunder shall exceed $15
million (the "Minimum Loss"), at which time the indemnification provided under
Section 11.1(a)(i) shall apply to all Costs in excess of the Minimum Loss. The
maximum liability under Section 11.1(a)(i) for an Indemnifying Party shall not
exceed $300 million in the aggregate. Notwithstanding anything to the contrary
contained herein, a party shall not be entitled to indemnification under Article
11 with respect to any matter to the extent a Purchase Price adjustment has been
made with respect thereto pursuant to Section 3.6 or Section 7.6(e).

                  11.4. INDEMNIFICATION AS SOLE REMEDY. The indemnification
provided in this Article 11, subject to the limitations set forth herein, and
Article 7, shall be the exclusive post-Closing remedy for damages available to
any Aggrieved Party arising out of or relating to this Agreement and the
purchase and sale of the Business hereunder.

                                       65




<PAGE>   70



                                  ARTICLE XII.

                               GENERAL PROVISIONS

                  12.1. PUBLIC STATEMENTS. Prior to the Closing, or afterward,
so long as this Agreement is in effect, none of the parties hereto shall issue
or cause the publication of any press release or other announcement with respect
to this Agreement or the transactions contemplated hereby without consulting
with and obtaining the consent of the other party, which shall not be
unreasonably withheld; PROVIDED, HOWEVER, that such consent shall not be
required where such release or announcement is required by applicable law.
Notwithstanding the foregoing, Buyer shall be under no obligation to consult
with Sellers regarding any announcement insofar as it concerns the operations of
the Business.

                  12.2. NOTICES. All notices and other communications hereunder
shall be in writing and shall be deemed to have been duly given if delivered
personally, mailed by reputable overnight courier or certified mail (return
receipt requested) or sent by telecopier (confirmed thereafter by such certified
mail) to the parties at the following addresses or at such other addresses as
shall be specified by the parties by like notice:

                  (a)  if to Sellers:

                       c/o American Home Products Corporation
                       Five Giralda Farms
                       Madison, New Jersey 07940
                       Attention: Chief Financial Officer
                       Telecopier Number: (973) 660-7156

                       with a copy to:

                       American Home Products Corporation
                       Five Giralda Farms
                       Madison, New Jersey 07940
                       Attention:  Senior Vice President and General Counsel
                       Telecopier Number: (973) 660-6030

                  (b)  if to Buyer:

                       Tyco International (US) Inc.
                       One Tyco Park
                       Exeter, NH  03833
                       Attention: Chief Financial Officer
                       Telecopier Number: (603) 778-7330

                                       66



<PAGE>   71


                               with a copy to:

                               Tyco International (US) Inc.
                               One Tyco Park
                               Exeter, NH  03833
                               Telecopier Number: (603)778-7700


                  Notice so given shall (in the case of notice so given by mail)
be deemed to be given and received on the third calendar day after mailing or
the next business day if sent by a reputable overnight courier and (in the case
of notice so given by telecopier or personal delivery) on the date of actual
transmission or (as the case may be) personal delivery.

                  12.3. SURVIVAL OF REPRESENTATIONS AND WARRANTIES. The
respective representations and warranties of the parties contained in Articles 4
and 5, and Sections 9.1 and 9.2 hereto shall survive the Closing and shall
remain in full force and effect, PROVIDED, however, that (a) the representations
and warranties in Section 4.6 and the provisions of Section 7.6 and Section
11.1(c) with respect to Taxes shall survive until the applicable statute of
limitations (or any extension thereof) has run for such Tax, (b) the
representations in Sections 4.2, 4.17 and 5.13 shall survive without limitation
as to time and (c) all other representations and warranties shall expire 18
months after the Closing Date. Notwithstanding the foregoing, with respect to
any matter as to which any Aggrieved Party has notified the Indemnifying Party
in accordance with this Agreement on or prior to the date that the
indemnification obligation of the Indemnifying Party would otherwise terminate
in accordance with this Section 12.3, the indemnification obligation of the
Indemnifying Party shall continue until the liability of the Indemnifying Party
shall have been determined pursuant to this Agreement, and the Indemnifying
Party shall have reimbursed the Aggrieved Party for the full amount of such
Costs for which the Indemnifying Party is responsible under this Agreement.

                  12.4.  AMENDMENT.  This Agreement may not be amended except by
an instrument in writing signed on behalf of each of the parties hereto.

                  12.5.  WAIVER.  At any time prior to the Closing, any term, 
provision or condition of this Agreement may be waived in writing (or the time
for performance of any of the obligations or other acts of the parties hereto
may be extended) by the party that is entitled to the benefits thereof.

                  12.6.  PARTIES IN INTEREST.  This Agreement may not be 
assigned by a party without the prior written consent of the other parties
hereto; provided, however, that Buyer may assign

                                       67



<PAGE>   72



its rights and obligations herein to a Permitted Assignee(s) so long as Buyer
remains primarily liable for the obligations of Buyer contained herein. This
Agreement shall not run to the benefit of or be enforceable by any Person other
than a party to this Agreement and, subject to the first sentence of this
Section, its successors and assigns.

                  12.7. MISCELLANEOUS. This Agreement (including the documents
and instruments referred to herein) constitutes the entire agreement and
supersedes all other prior agreements and undertakings, both written and oral,
among the parties, or any of them, with respect to the subject matter hereof; is
not intended to confer upon any other Person any rights or remedies hereunder;
and shall be governed in all respects, including validity, interpretation and
effect, by the internal laws of the State of New York without giving effect to
the principles of conflicts of laws thereunder. This Agreement may be executed
in one or more counterparts which together shall constitute a single agreement.
If any provisions of this Agreement shall be held to be illegal, invalid or
unenforceable under any applicable law, then such contravention or invalidity
shall not invalidate the entire Agreement. Such provision shall be deemed to be
modified to the extent necessary to render it legal, valid and enforceable, and
if no such modification shall render it legal, valid and enforceable, then this
Agreement shall be construed as if not containing the provision held to be
invalid, and the rights and obligations of the parties shall be construed and
enforced accordingly.

                  12.8.  DISCLOSURE SCHEDULE.  The disclosure of any matter in 
the Disclosure Schedule shall expressly not be deemed to constitute an admission
by Sellers or Buyer of its requirement to be disclosed or to otherwise imply
that any such matter is material for the purposes of this Agreement.


                                       68



<PAGE>   73



         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
executed as of the date first written above.

                                             AMERICAN CYANAMID COMPANY


                                             By: /s/ Gerald A. Jibilian
                                                --------------------------------
                                                Name:
                                                Title:

                                             AMERICAN HOME PRODUCTS CORPORATION

                                             By: /s/ Gerald A. Jibilian
                                                --------------------------------
                                                Name:
                                                Title:

                                             AHP SUBSIDIARY HOLDING CORPORATION

                                             By: /s/ Gerald A. Jibilian
                                                --------------------------------
                                                Name:
                                                Title:

                                                TYCO INTERNATIONAL (US) INC.

                                             By: /s/ Irving Gutin
                                                --------------------------------
                                                Name:   Irving Gutin
                                                Title:  Sr. Vice President


                                      
                                       69

<PAGE>   1

                                                                     EXHIBIT 2.2

                                    GUARANTY

     THIS GUARANTY, is made effective as of December 20, 1997, by Tyco
International Ltd., a Bermuda company with a principal place of business at The
Gibbons Bldg., 10 Queen Street, Suite 301, Hamilton HM 11 Bermuda ("Tyco"), to
American Cyanamid Company, a Maine corporation ("Cyanamid"), American Home
Products Corporation, a Delaware corporation ("AHP"), AHP Subsidiary Holding
Corporation, a Delaware corporation ("AHP Sub" and, together with AHP and
Cyanamid, "Sellers") with a principal place of business at 5 Giralda Farms,
Madison, New Jersey 07940, with respect to the obligations of Tyco International
(US) Inc., a Massachusetts corporation and an indirect wholly-owned subsidiary
of Tyco, with a principal place of business at One Tyco Park, Exeter, New
Hampshire 03833 ("Buyer").

                            W I T N E S S E T H; That

     WHEREAS, Sellers and Buyer are parties to a certain Purchase Agreement of
even date herewith (the "Purchase Agreement"); and

     WHEREAS, it is a condition to the obligations of Sellers to enter into the
Purchase Agreement that Tyco guarantee all obligations of Buyer which arise out
of the Purchase Agreement and Tyco is willing to guarantee all such obligations.

     NOW, THEREFORE, in consideration of the foregoing matters, and for other
valuable consideration, the receipt and sufficiency of which is hereby
acknowledged, Tyco hereby agrees as follows:

                                    ARTICLE I

     1.   Tyco hereby irrevocably guarantees the payment and performance of all
debts, obligations and liabilities of Buyer to Sellers arising pursuant to the
Purchase Agreement and any document executed incident thereto, now due or
hereafter falling due if Buyer fails to perform, pay or discharge such debts,
obligations and liabilities, together with all costs of collection, compromise
or enforcement, including, without limitation, reasonable attorneys' fees
incurred with respect to any such debts, obligations or liabilities or with
respect to this or any other guaranty of any of them, or with respect to a
proceeding under the United States Bankruptcy Code or any other state or federal
bankruptcy, reorganization, receivership, insolvency or other similar law
affecting the rights of creditors generally, or a trust mortgage, composition or
assignment for the benefit of creditors concerning Buyer or Tyco, together with
interest on all such costs of collection, compromise or enforcement from the
date arising (all of the foregoing, collectively, the "Obligations").

     2.   Tyco hereby agrees:

          (a) that this Guaranty is irrevocable and shall not be impaired by any
     modification, supplement, extension or amendment of the Purchase Agreement
     or any of the Obligations, nor by any modification release or other
     alteration of any of the Obligations hereby guaranteed or of any security
     therefore, nor by any agreements or arrangements whatever with Buyer or
     anyone else;

          (b) that the liability of Tyco hereunder is primary, direct and
     unconditional and not of collection only and may be enforced without
     requiring Sellers first to resort to any other right, remedy or security,
     and does not require Sellers to proceed against the Buyer or any of its
     affiliates or any other person or pursue any other remedy whatever;

<PAGE>   2

          (c) that Tyco shall not have any right of subrogation, reimbursement
     or indemnity whatsoever, nor any right of recourse to security for any of
     the Obligations, unless and until all of the Obligations have been fully
     paid and performed;

          (d) that if Buyer or Tyco should at any time become insolvent or make
     a composition, trust mortgage or general assignment for the benefit of
     creditors, or if a proceeding under the United States Bankruptcy Code or
     any other state or federal bankruptcy, reorganization, receivership,
     insolvency or other similar law affecting the rights of creditors generally
     shall be filed or commenced by, against or in respect of Buyer or Tyco, any
     and all obligations of Tyco shall, at Sellers' option, immediately become
     due and payable without notice which is expressly waived;

          (e) that, if any payment or transfer to Sellers which has been
     credited against any Obligation under the Purchase Agreement, is voided or
     rescinded or required to be returned by Sellers, whether or not in
     connection with any event or proceeding described in Section 2(d), this
     Guaranty shall continue in effect or be reinstated as though such payment,
     transfer or recovery had not been made;

          (f) that Sellers' books and records showing the account between
     Sellers and Buyer shall be admissable in any action or proceeding;

          (g) that this Guaranty shall be construed as an absolute and
     independent, unconditional, present and continuing and unlimited obligation
     of Tyco without regard to the regularity, validity or enforceability of any
     of the Obligations, and without regard to whether any Obligation is
     limited, modified, voided, released or discharged in any proceeding under
     the United States Bankruptcy Code or any other state or federal bankruptcy,
     reorganization, receivership, insolvency or other similar law affecting the
     rights of creditors generally;

          (h) that this Guaranty shall be terminated by Tyco with Sellers' prior
     written consent, which shall not be unreasonably withheld, only as of the
     date on which Buyer has fully paid and completely performed and
     indefeasibly paid in full all of the Obligations;

          (i) that any termination of this Guaranty shall be applicable only to
     transactions having their inception after the effective date of such
     termination and shall not affect rights and obligations arising out of
     transactions having their inception prior to such date; and

          (j) that nothing shall discharge or satisfy the liability of Tyco
     hereunder except the full payment and performance of all of the
     Obligations, and shall be reinstated, if at any time any payment of any of
     the Obligations is rescinded or otherwise returned by Sellers or upon the
     insolvency, bankruptcy or reorganization of Buyer or any of its affiliates,
     all as though such payment had not been made.

     3. Tyco waives to the greatest extent permitted by the internal laws of the
State of New York without regard to the conflicts of laws of such State: notice
of acceptance hereof; presentment and protest or demand of any instrument, and
notice thereof ; notice of default or dishonor; notice of foreclosure; notice of
any modification, any requirement for promptness, diligence and notice of
acceptance, release or other alteration of any of the Obligations or of any
security therefor and all other notices to which Tyco might otherwise be
entitled.

     4. This Guaranty, all acts and transactions hereunder, and the rights and
obligations of the parties hereto shall be governed, construed and interpreted
according to the internal laws of the State of New York without regard to the
conflicts of laws of such State, shall be binding upon the successors and
assigns of Tyco, and shall inure to the benefit of Sellers' successors and
assigns; provided, however, that the obligations hereunder are personal to Tyco
and may not be assigned without Sellers' prior written consent.

<PAGE>   3

     5. Notwithstanding anything to the contrary contained herein, Tyco shall
have the right to rely on any defense available to Buyer under the Purchase
Agreement or otherwise in satisfaction of this Guaranty; provided, however, that
Tyco will not exercise any rights which it may acquire by way of subrogation
under this Guaranty by any payment made hereunder or otherwise, until all
Obligations have been performed or paid in full.

                                   ARTICLE II

     Tyco represents and warrants to Sellers as follows:

     A. CORPORATE ORGANIZATION. Tyco is a corporation duly organized, validly
existing and in good standing under the laws of Bermuda. Tyco has the requisite
corporate power and authority to own, operate or lease the properties that it
purports to own, operate or lease and to carry on its business as it is now
being conducted and is duly licensed or qualified as a foreign corporation in
each domestic or foreign jurisdiction in which the nature of the business
conducted by it or the character or location of the properties owned or leased
by it makes such licensing or qualification necessary, except where the failure
to be so licensed or qualified would not reasonably be expected to have a
material adverse effect on the business, operations or financial condition of
Tyco and its subsidiaries, taken as a whole, or on the ability of Tyco to
guarantee all of the Obligations contemplated herein.

     B. AUTHORITY RELATIVE TO THIS AGREEMENT. Tyco has the requisite corporate
power and authority to execute and deliver this Guaranty and to guarantee all of
the Obligations contemplated herein. The execution and delivery by Tyco of this
Guaranty and the guarantee by Tyco of all of the Obligations contemplated herein
have been duly authorized by all necessary corporate action on the part of Tyco,
and no other corporate proceeding is necessary for the execution and delivery of
this Guaranty, the performance by Tyco of its obligations hereunder, and the
obligations of Tyco to guarantee all of the Obligations contemplated herein.
This Guaranty has been duly executed and delivered by Tyco and constitutes a
legal, valid and binding obligation of Tyco, enforceable against Tyco in
accordance with its terms, except as the same may be limited by bankruptcy,
insolvency, moratorium, reorganization or other laws of general applicability
relating to or affecting the enforcement of creditors' rights and general
principles of equity, but shall be subject to the provisions of this Guaranty to
the fullest extent permitted by law in the event that any such limitations shall
apply.

     C. CONSENTS AND APPROVALS; NO VIOLATIONS. Except as contemplated in the
Purchase Agreement, no material filing with, and no material permit,
authorization, consent or approval of, any public body or authority is necessary
for the consummation by Tyco of the transactions contemplated by this Guaranty.
The execution and delivery of this Guaranty and the guarantee of all of the
Obligations contemplated herein will not (x) conflict with or result in a breach
of any of the provisions of the Memorandum of Association or Bye-laws (or other
incorporation documents) of Tyco, (y) be subject to the making of the filings
and the obtaining of the governmental and other consents referred to herein,
contravene in any material respect any law, rule or regulation of any state, the
United States or any country or any order, writ, judgment, injunction, decree,
determination or award currently in effect that is binding upon Tyco or any of
its subsidiaries or any of their respective properties, or (z) violate or result
in a breach or result in the acceleration or termination of, or the creation in
any third party of the right to accelerate, terminate, modify or cancel, any
material indenture, contract, lease, sublease, loan agreement, note or other
material obligation or liability to which Tyco or any of its affiliates is a
party or is bound or to which any of the assets of Tyco are subject.

     D. FINANCIAL CAPABILITY. Tyco has sufficient funds to meet all of its
obligations hereunder and to guarantee all of the Obligations contemplated
herein.

<PAGE>   4

                                   ARTICLE III

     A. NOTICES. All notices and other communications hereunder shall be in
writing and shall be deemed to have been duly given if delivered personally,
mailed by reputable overnight courier or certified mail (return receipt
requested) or sent by telecopier (confirmed thereafter by such certified mail)
to the parties at the following addresses or at such other addresses as shall be
specified by the parties by like notice:

     (a)  if to Sellers:
          c/o American Home Products Corporation
          Five Giralda Farms
          Madison, New Jersey 07940
          Attention: Chief Financial Officer
          Telecopier Number: (973) 660-7156

          with a copy to:

          American Home Products Corporation
          Five Giralda Farms
          Madison, New Jersey 07940
          Attention: Senior Vice President and General Counsel
          Telecopier Number: (973) 660-6030

     (b)  if to Buyer:

          Tyco International (US) Inc.
          One Tyco Park
          Exeter, New Hampshire 03833
          Attention: Chief Financial Officer
          Telecopier Number: (603) 778-0108

          with a copy to:

          Tyco International (US) Inc.
          One Tyco Park
          Exeter, New Hampshire 03833
          Attention: General Counsel
          Telecopier (603) 778-7700

     (c)  if to Tyco:

          Tyco International Ltd.
          The Gibbons Bldg.
          10 Queen Street, Suite 301
          Hamilton HM 11 Bermuda
          Attention: Chief Financial Officer
          Telecopier Number: (441)-295-9647

     Notice so given shall (in the case of notice so given by mail) be deemed to
be given and received on the third calendar day after mailing or the next
business day if sent by a reputable overnight courier and (in the case of notice
so given by telecopier or personal delivery) on the date of actual transmission
or (as the case may be) personal delivery.

<PAGE>   5

     (B)   SUBMISSION TO JURISDICTION. Tyco hereby submits to the non-exclusive
jurisdiction of the United States District Court for the Southern District of
New York and of any New York State court sitting in New York City for purposes
of all legal proceedings arising out of or relating to this Guaranty or the
transactions contemplated hereby. Tyco irrevocably waives to the fullest extent
permitted by law, any objection which it may now or hereafter have to the laying
of the venue of any such proceeding brought in such a court and any claim that
any such proceeding brought in such a court has been brought in an inconvenient
forum. Buyer appoints CT Corporation System ("Process Agent") as its agent to
receive on its behalf service of copies of the summons and complaint and any
other process that might be served in the proceedings. Sellers may make service
on Buyer by sending or delivering a copy of the process (i) to the party to be
served at the address and in the manner provided for the giving of notices in
Section A above, or (ii) to the party to be served in care of the Process Agent
at 2 Oliver Street Boston, MA 02109. Nothing in this Section (B), however, shall
affect the right of any party to serve legal process in any manner permitted by
law or at equity. Each party agrees that a final judgment in any action or
proceeding so brought shall be conclusive and may be enforced by suit on the
judgment or in any other manner by law or at equity.


<PAGE>   6


     (C)   SEVERABILITY. If any provisions of this Guaranty shall be held to be
illegal, invalid or unenforceable under any applicable law, then such
contravention or invalidity shall not invalidate the entire Guaranty. Such
provision shall be deemed to be modified to the extent necessary to render it
legal, valid and enforceable, and if no such modification shall render it legal,
valid and enforceable, then this Guaranty shall be construed as if not
containing the provision held to be invalid, and the rights and obligations of
the parties shall be construed and enforced accordingly.


     This Guaranty has been duly executed as of the date first above written.

                                              TYCO INTERNATIONAL LTD.
                                              By:      ________________________
                                              Title:   ________________________


<PAGE>   1
                                                                     EXHIBIT 2.3


                      FIRST AMENDMENT TO PURCHASE AGREEMENT


         This FIRST AMENDMENT TO PURCHASE AGREEMENT dated as of February 27,
1998 (the "First Amendment") by and among AMERICAN CYANAMID COMPANY, a Maine
Corporation ("Cyanamid"), AMERICAN HOME PRODUCTS CORPORATION, a Delaware
corporation ("AHP"), AHP SUBSIDIARY HOLDING CORPORATION, a Delaware corporation
("AHP Sub" and, together with AHP and Cyanamid, "Sellers") and Tyco
International (US) Inc., a Massachusetts corporation ("Buyer").

                              W I T N E S S E T H:

         WHEREAS, the parties hereto have previously entered into
that certain Purchase Agreement dated as of December 20, 1997
(the "Agreement");

         WHEREAS, the parties hereto desire to amend the Agreement
as provided in this First Amendment.

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

1. Upon written notice to AHP, Buyer or a Permitted Assignee, may elect to
purchase the Intellectual Property, except that in the case of Know-How, all
promotional literature, customer and supplier lists and similar data and
information shall be excluded, in each case owned by Sherwood and
Sherwood-Accurate, Inc. (the "Sherwood Transferable Intellectual Property"),
directly from Sherwood and Sherwood-Accurate, Inc. immediately prior to Buyer's,
or a Permitted Assignee's, purchase of the Shares at the Closing for a purchase
price equal to ONE HUNDRED FORTY MILLION DOLLARS ($140,000,000) (the "IP
Purchase Price") payable upon such purchase by wire transfer of immediately
available funds to an account specified in writing by AHP.

<PAGE>   2


      (a) If Buyer, or its Permitted Assignee, elects to purchase the Sherwood
Transferable Intellectual Property directly from Sherwood and Sherwood-Accurate,
Inc., notwithstanding anything to the contrary contained in the Agreement:

      (i)   The IP Purchase Price shall be distributed directly or indirectly to
            AHP by Sherwood and Sherwood-Accurate, Inc. immediately prior to the
            Closing.

      (ii)  for purposes of the Agreement, the IP Purchase Price shall be deemed
            to be a partial payment of the Purchase Price;

      (iii) the Sherwood Transferable Intellectual Property shall be conveyed by
            general assignment and all costs and expenses associated with such
            sale, transfer and assignment, including the costs of preparing and
            recording all documents of transfer (including such documents in
            individual countries) and Taxes other than income taxes or similar
            taxes, shall be for the account of Buyer; and

      (iv)  the Sherwood Transferable Intellectual Property shall be deemed to
            be Intellectual Property as of the Closing for purposes of the
            Agreement, including without limitation the representations and
            warranties set forth in Section 4.10, the covenants set forth in
            Article VI, and the Closing Statement, adjustment to Purchase Price
            and related matters set forth in Sections 3.5 and 3.6.

      (b) In the event that the Closing does not occur within 24 hours after the
purchase of the Sherwood Transferable Intellectual Property contemplated hereby,
then such purchase shall be null and void for all purposes.

2. The Disclosure Schedule is hereby deemed amended by deleting the Financial
Statements included as Section 4.4 

                                      - 2 -

<PAGE>   3


thereof and substituting therefore the financial statements being provided by
AHP to Buyer on the date hereof.


3. Section 11.1 (i) of the Agreement is hereby amended by deleting such section
and replacing it in its entirety as follows:

      11.1(i) Notwithstanding any time or dollar limitations placed upon
Sellers' indemnification obligations elsewhere in this Agreement, which shall
not apply to this subparagraph (i), Sellers shall jointly and severally
indemnify, defend and hold harmless Buyer and the Companies and their respective
Affiliates, officers, directors, employees and controlling persons against any
and all Costs in connection with any lawsuits, actions or proceedings, pending,
as of the Closing Date against (x) any of the Companies or (y) any of the
Sellers or the Asset Transferor Entities relating to the Business, including
without limitation, all of such lawsuits, actions or proceedings listed in
Sections 4.11(a) and (b) of the Disclosure Schedule. The provisions of this
subparagraph 11.1(i) to the contrary notwithstanding, the Sellers shall be
liable for one-half (1/2) and Buyer and/or the Companies shall be liable for the
remaining one-half (1/2), of any Costs (excluding attorneys fees which shall be
soley at Sellers' expense) resulting from that claim listed first in Section
4.10(b)(i) of the Disclosure Schedule (hereafter the "First Listed Claim") that
are attributable to or are based on sales of products related to the First
Listed Claim by the Companies and/or the Buyer after Closing.

4. Section 11.2 of this Agreement is hereby amended by inserting at the end
thereof the following new subparagraph 11.2(iv):

      (iv) The provisions of Paragraph 11.2(i) to the contrary notwithstanding,
the Companies and the Buyer agree that the Sellers may, in the defense of the
First Listed Claim, without the written consent of the Companies or Buyer
consent to the entry of a judgment and/or enter into a settlement agreement
which (as an exception to an unconditional release from all liability in respect
of such First Listed Claim otherwise required under Paragraph 11.2(i) secures
for the Companies the right to continue manufacture, 

                                     - 3 -

<PAGE>   4

use and sale of products to which such First Listed Claim relates, and provides
for payment of a continuing royalty for sales of such products as applicable in
an amount or rate deemed appropriate in the sole discretion of Sellers, which
royalty shall be paid one-half (1/2) by Sellers and one-half (1/2) by Buyer
and/or the Companies as required by subparagraph 11.1(i).


5. The parties acknowledge that the Closing Statement referenced in Section 3.5
and the Financial Statements referred to in Section 4.4 shall not include any
Assets owned by Cyanamid Medical Device Company ("CMDC") residing in Korea
although consideration for such Assets is included in the Purchase Price, prior
to adjustment. It is further agreed that Tyco shall have the right, to be
exercised by notice delivered to Sellers no later than March 31, 1998, to
receive at no additional cost any and all manufacturing equipment included in
the Assets and owned by CMDC. Further, Buyer shall acquire all inventory located
at CMDC's premises in Anyang, Korea as of March 31, 1998 for a purchase price
equal to Sellers' cost, subject to a credit to Buyer equivalent to Sellers' cost
of inventory at such location on the Closing Date. In addition, all Assets owned
by CMDC residing in Korea (other than manufacturing equipment and inventory)
will be transferred to Buyer at no additional cost.


6. This First Amendment constitutes an amendment to the Agreement pursuant to
Section 12.4 of the Agreement. Except as expressly amended by this First
Amendment, each and every provision of the Agreement remains in full force and
effect in accordance with the terms thereof and, by reference, the terms and
provisions of the Agreement are incorporated herein and made hereof.

                                     - 4 -



<PAGE>   5


      IN WITNESS WHEREOF, the First Amendment has been signed by each of the
parties hereto as of the date provided above.


                                            AMERICAN CYANAMID COMPANY

                                            By: /s/ Gerald A. Jibilian
                                               ---------------------------------
                                               Gerald A. Jibilian
                                               Vice President


                                            AMERICAN HOME PRODUCTS 
                                            CORPORATION

                                            By: /s/ Gerald A. Jibilian
                                               ---------------------------------
                                               Gerald A. Jibilian
                                               Vice President

                                            AHP SUBSIDIARY HOLDING
                                            CORPORATION

                                            By: /s/ Gerald A. Jibilian
                                               ---------------------------------
                                               Gerald A. Jibilian
                                               Vice President

                                            TYCO INTERNATIONAL (US) INC.

                                            By: /s/ Irving Gutin 
                                                --------------------------------

                                            Name:  Irving Gutin
                                                 -------------------------------

                                            Title: Sr. Vice President
                                                  ------------------------------


                                      - 5 -






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